/* 引入 Google Fonts 的 Inter 和 Roboto 字体 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Roboto:wght@400;700&display=swap');

:root {
  --primary-color: #165DFF;
  --secondary-color: #FFD700;
  --dark-color: #333;
  --light-color: #f8fafc;
  --dark-bg: #000000;
  --shadow-color: rgba(109, 104, 104, 0.1);
  --accent-color: #ff5722;
  --transition: all 0.3s ease;
}

/* 基础样式 */
body {
  font-family: 'Inter', 'Roboto', sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  background-color: var(--light-color);
  color: var(--dark-color);
  animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* 通用容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* 页面部分 */
.page-section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.section-description {
  font-size: 1.25rem;
  color: #64748B;
  max-width: 800px;
  margin: 0 auto;
}

/* 首页（Jumbotron） */
.jumbotron {
  background-image: url('home_background.jpg');
  background-size: cover;
  background-position: center;
  color: white;
  padding: 70px 0;
  margin-top: 56px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  animation: zoomIn 1.5s ease-in-out;
  position: relative;
  overflow: hidden;
}

.jumbotron::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1;
}

.jumbotron .container {
  position: relative;
  z-index: 2;
  text-align: center;
}

@keyframes zoomIn {
  from {
    transform: scale(1.1);
    opacity: 0;
  }

  to {
    transform: scale(1);
    opacity: 1;
  }
}

.jumbotron h1 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.jumbotron p {
  font-size: 1.8rem;
  margin-bottom: 30px;
}

.jumbotron .btn-primary {
  padding: 15px 35px;
  font-size: 1.4rem;
  border-radius: 5px;
  background-color: var(--primary-color);
  border: none;
  transition: var(--transition);
  box-shadow: 0 3px 5px var(--shadow-color);
  color: white;
  text-decoration: none;
  display: inline-block;
}

.jumbotron .btn-primary:hover {
  background-color: var(--secondary-color);
  transform: translateY(-5px);
  color: var(--dark-color);
}

.jumbotron .btn-primary:active {
  transform: translateY(2px);
  box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.3);
}

/* 关于我们 */
#about {
  padding: 80px 0;
  animation: fadeInUp 1s ease-in-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#about img {
  max-width: 100%;
  height: auto;
  border-radius: 50%;
  display: block;
  margin: 0 auto 20px;
  box-shadow: 0 0 10px var(--shadow-color);
  transition: var(--transition);
}

#about img:hover {
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
}

#about h2 {
  margin-bottom: 30px;
  font-size: 2.8rem;
  font-weight: 700;
}

#about p {
  text-align: justify;
  font-size: 1.1rem;
  margin-bottom: 20px;
  line-height: 1.8;
}

@media (max-width: 768px) {
  #about .row {
    flex-direction: column;
  }

  #about img {
    margin-bottom: 30px;
  }
}

/* 作品展示 */
.portfolio-showcase {
  background-color: var(--light-color);
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  margin-bottom: 60px;
}

.filter-btn {
  padding: 10px 25px;
  border-radius: 9999px;
  border: none;
  background-color: #f3f4f6;
  color: #374151;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  box-shadow: 0 4px 6px -1px var(--shadow-color);
}

.filter-btn.active {
  background-color: var(--primary-color);
  color: white;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 40px;
}

@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.portfolio-card {
  position: relative;
  overflow: hidden;
  border-radius: 0.75rem;
  transition: all 0.5s ease;
  box-shadow: 0 4px 6px -1px var(--shadow-color);
}

.portfolio-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 25px -5px var(--shadow-color);
}

.portfolio-card-image-container {
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.portfolio-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.portfolio-card:hover .portfolio-card-image {
  transform: scale(1.1);
}

.portfolio-card-overlay {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to top, rgba(22, 93, 255, 0.8), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: flex-end;
}

.portfolio-card:hover .portfolio-card-overlay {
  opacity: 1;
}

.portfolio-card-content {
  padding: 30px;
}

.portfolio-card-tag {
  display: inline-block;
  padding: 5px 15px;
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--primary-color);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
  margin-bottom: 10px;
}

.portfolio-card-title {
  font-size: 1.25rem;
  font-weight: bold;
  color: white;
  margin-bottom: 5px;
}

.portfolio-card-description {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
  margin-bottom: 15px;
}

.portfolio-card-link {
  display: inline-flex;
  align-items: center;
  color: white;
  font-size: 0.875rem;
  text-decoration: none;
}

.portfolio-card-link:hover {
  text-decoration: underline;
}

.load-more-button {
  padding: 15px 40px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  margin: 60px auto 0;
}

.load-more-button:hover {
  background-color: rgba(22, 93, 255, 0.9);
  transform: scale(1.05);
  box-shadow: 0 10px 15px -3px var(--shadow-color);
}

/* 横向滚动作品展示 */
.horizontal-portfolio {
  background-color: white;
}

.horizontal-portfolio .container {
  position: relative;
}

.scroll-controls {
  position: absolute;
  top: 50%;
  width: 100%;
  display: flex;
  justify-content: space-between;
  z-index: 10;
  pointer-events: none;
}

.scroll-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: white;
  box-shadow: 0 4px 6px -1px var(--shadow-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  pointer-events: all;
}

.scroll-btn:hover {
  background-color: var(--primary-color);
  color: white;
}

.portfolio-wrapper {
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 30px;
}

.portfolio-wrapper::-webkit-scrollbar {
  display: none;
}

.portfolio-row {
  display: flex;
  gap: 30px;
  min-width: max-content;
}

.portfolio-item {
  width: 300px;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px var(--shadow-color);
  transition: var(--transition);
}

.portfolio-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px -3px var(--shadow-color);
}

.item-image {
  height: 400px;
  overflow: hidden;
}

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

.portfolio-item:hover .item-image img {
  transform: scale(1.05);
}

.item-content {
  padding: 20px;
  background-color: white;
}

.item-tag {
  display: inline-block;
  padding: 5px 15px;
  background-color: #f3f4f6;
  color: #374151;
  font-size: 0.75rem;
  border-radius: 9999px;
  margin-bottom: 10px;
}

.item-title {
  font-size: 1.25rem;
  font-weight: bold;
  margin-bottom: 5px;
}

.item-description {
  font-size: 0.875rem;
  color: #4B5563;
  margin-bottom: 15px;
}

.item-link {
  display: inline-flex;
  align-items: center;
  color: var(--primary-color);
  font-size: 0.875rem;
  text-decoration: none;
  font-weight: 500;
}

.item-link:hover {
  text-decoration: underline;
}

/* 游戏卡片 */
.game-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 768px) {
  .game-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .game-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.game-card {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: 0 4px 6px -1px var(--shadow-color);
  transition: all 0.5s ease;
  height: 100%;
}

.game-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px var(--shadow-color);
}

.game-card-image-container {
  position: relative;
  padding-bottom: 125%;
  overflow: hidden;
}

.game-card-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.game-card:hover .game-card-image {
  transform: scale(1.1);
}

.game-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.game-card:hover .game-card-overlay {
  opacity: 1;
}

.game-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  color: white;
  z-index: 10;
}

.game-card-tag {
  display: inline-block;
  padding: 4px 12px;
  background-color: rgba(22, 93, 255, 0.8);
  color: white;
  font-size: 0.875rem;
  border-radius: 9999px;
  margin-bottom: 12px;
}

.game-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.game-card-description {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 16px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.game-card:hover .game-card-description {
  opacity: 1;
}

.game-card-link {
  display: inline-flex;
  align-items: center;
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.game-card-link:hover {
  text-decoration: underline;
}

.game-card-link i {
  margin-left: 8px;
  transition: transform 0.3s ease;
}

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

/* 特色展示区 */
.featured-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0;
  background-color: var(--dark-bg);
  overflow: hidden;
}

.featured-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.featured-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.1;
}

.featured-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to right, rgba(30, 41, 59, 0.8), rgba(30, 41, 59, 0.4));
}

.featured-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

@media (min-width: 1024px) {
  .featured-content {
    flex-direction: row;
    align-items: center;
  }

  .featured-info,
  .featured-media {
    width: 50%;
  }
}

.featured-tag {
  display: inline-block;
  padding: 6px 16px;
  background-color: var(--secondary-color);
  color: var(--dark-bg);
  font-weight: 600;
  border-radius: 9999px;
  margin-bottom: 16px;
}

.featured-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 24px;
}

.featured-description {
  font-size: 1.25rem;
  color: #CBD5E1;
  margin-bottom: 32px;
}

.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.feature-item {
  display: flex;
  align-items: center;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(22, 93, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 16px;
  flex-shrink: 0;
}

.feature-icon i {
  color: var(--primary-color);
  font-size: 1.25rem;
}

.feature-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: white;
}

.feature-description {
  font-size: 0.875rem;
  color: #94A3B8;
}

.feature-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (min-width: 640px) {
  .feature-buttons {
    flex-direction: row;
  }
}

.feature-button {
  padding: 12px 32px;
  border-radius: 9999px;
  text-decoration: none;
  font-weight: 700;
  text-align: center;
  transition: var(--transition);
}

.feature-button-primary {
  background-color: var(--secondary-color);
  color: var(--dark-bg);
  box-shadow: 0 10px 15px -3px var(--shadow-color);
}

.feature-button-primary:hover {
  background-color: #E6C200;
  transform: scale(1.05);
}

.feature-button-secondary {
  background-color: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.feature-button-secondary:hover {
  border-color: var(--secondary-color);
  color: var(--secondary-color);
  transform: scale(1.05);
}

.featured-media {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.featured-main-image {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(172, 170, 170, 0.25);
}

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

.featured-thumbnails {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

.featured-thumbnail {
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
}

.featured-thumbnail:hover {
  opacity: 0.8;
  transform: scale(1.05);
}

.featured-thumbnail img {
  width: 100%;
  height: auto;
  display: block;
}

/* 页脚 */
footer {
  background-color: #2c3e50;
  color: white;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.2);
  animation: fadeInUp 1s ease;
}

.footer-container {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  max-width: 1300px;
  margin: 0 auto;
  padding: 60px 20px;
}

.footer-about,
.footer-links,
.footer-contact {
  flex: 1;
  min-width: 280px;
  margin: 0 30px;
}

.footer-about h4,
.footer-links h4,
.footer-contact h4 {
  font-size: 1.6em;
  margin-bottom: 25px;
  letter-spacing: 2px;
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 10px;
}

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

.footer-links ul li {
  margin-bottom: 15px;
}

.footer-links ul li a {
  color: white;
  text-decoration: none;
  transition: var(--transition);
  font-size: 1.1em;
}

.footer-links ul li a:hover {
  color: var(--primary-color);
}

.footer-contact ul.social-icons {
  list-style-type: none;
  padding: 0;
  display: flex;
}

.footer-contact ul.social-icons li {
  margin-right: 15px;
}

.footer-contact ul.social-icons li a img {
  width: 35px;
  height: 35px;
  filter: grayscale(100%);
  transition: var(--transition);
}

.footer-contact ul.social-icons li a img:hover {
  filter: grayscale(0%);
  transform: scale(1.1);
}

.footer-bottom {
  text-align: center;
  padding: 20px 0;
  border-top: 1px solid #333;
  font-size: 0.9em;
}

/* 返回顶端按钮 */
.back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--primary-color);
  color: white;
  padding: 10px 15px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  display: none;
  z-index: 999;
  transition: var(--transition);
}

.back-to-top:hover {
  background-color: var(--secondary-color);
  color: var(--dark-color);
}