.hero-background {
  position: relative;
  width: 100%;
  margin-bottom: 60px;
  height: 500px;
}
.hero-background img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
.hero-background .hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.hero-background .container {
  position: relative;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  text-align: center;
}
.hero-background .container .banner-title {
  position: absolute;
  font-size: 3rem;
  font-weight: 700;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.main-content {
  padding: 60px 0;
}

.thin-title {
  font-size: 22px;
  color: #000;
  margin-bottom: 20px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.video-section {
  margin-bottom: 20px;
}
.video-section .video-content {
  display: grid;
  grid-template-columns: 5fr 2fr;
  gap: 40px;
}
@media (max-width: 768px) {
  .video-section .video-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}
.video-section .video-content .video-main .video-player {
  background: #f5f5f5;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease;
  position: relative;
  align-items: center;
  display: flex;
  height: 100%;
}
.video-section .video-content .video-main .video-player:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}
.video-section .video-content .video-main .video-player .video-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #e3f2fd, #bbdefb);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}
.video-section .video-content .video-main .video-player .video-placeholder:hover {
  background: linear-gradient(135deg, #bbdefb, #90caf9);
}
.video-section .video-content .video-main .video-player .video-placeholder:hover .play-button {
  transform: scale(1.1);
}
.video-section .video-content .video-main .video-player .video-placeholder .play-button {
  transition: transform 0.3s ease;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}
.video-section .video-content .video-main .video-player .video-placeholder iframe {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
.video-section .video-content .video-playlist {
  border: 1px #d3d0d0 solid;
  border-radius: 12px;
}
.video-section .video-content .video-playlist h3 {
  font-size: 1.2rem;
  color: #fff;
  background: #4ab5f1;
  padding: 15px 20px;
  margin: 0 0 20px 0;
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
  text-align: center;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.video-section .video-content .video-playlist .playlist-items {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.video-section .video-content .video-playlist .playlist-items .playlist-item {
  display: flex;
  gap: 15px;
  padding: 5px 15px;
  background: #fff;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  align-items: center;
  text-decoration: none;
  color: inherit;
}
.video-section .video-content .video-playlist .playlist-items .playlist-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}
.video-section .video-content .video-playlist .playlist-items .playlist-item .playlist-thumbnail {
  width: 85px;
  height: auto;
  border-radius: 6px;
  flex-shrink: 0;
  position: relative;
}
.video-section .video-content .video-playlist .playlist-items .playlist-item .playlist-thumbnail img {
  width: 100%;
  height: 100%;
  aspect-ratio: 14/9;
  -o-object-fit: cover;
     object-fit: cover;
}
.video-section .video-content .video-playlist .playlist-items .playlist-item .playlist-info {
  flex: 1;
}
.video-section .video-content .video-playlist .playlist-items .playlist-item .playlist-info p {
  font-size: 16px;
  color: #000;
  line-height: 1.4;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.production-process {
  margin-bottom: 80px;
  padding: 60px 0;
}
.production-process h2 {
  font-size: 18.6px;
  color: #000;
  text-align: center;
  margin-bottom: 40px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  text-align: left;
}
.production-process .process-flow {
  margin: 0 auto;
}
.production-process .process-flow .main-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}
.production-process .process-flow .main-flow .process-step {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease;
  padding: 20px 30px;
  text-align: center;
  transition: all 0.3s ease;
}
.production-process .process-flow .main-flow .process-step:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}
.production-process .process-flow .main-flow .process-step .step-content {
  font-size: 14px;
  color: #000;
  line-height: 1.5;
  font-weight: 500;
}
.production-process .process-flow .main-flow .process-step.main-step {
  background: linear-gradient(135deg, #1976d2, #2196f3);
  color: #fff;
  font-weight: 600;
  min-width: 300px;
}
.production-process .process-flow .main-flow .process-step.main-step .step-content {
  color: #fff;
  font-weight: 600;
}
.production-process .process-flow .main-flow .process-step.branch-step {
  background: #2196f3;
  color: #fff;
  max-width: 250px;
}
.production-process .process-flow .main-flow .process-step.branch-step .step-content {
  color: #fff;
  font-size: 13px;
}
.production-process .process-flow .main-flow .process-step.sub-step {
  background: rgb(145.9787234043, 194.2595744681, 242.0212765957);
  color: #000;
  max-width: 200px;
  padding: 15px 20px;
}
.production-process .process-flow .main-flow .process-step.sub-step .step-content {
  font-size: 12px;
}
.production-process .process-flow .main-flow .process-step.final-step {
  background: #4caf50;
  color: #fff;
  font-weight: 600;
  font-size: 16px;
}
.production-process .process-flow .main-flow .process-step.final-step .step-content {
  color: #fff;
  font-weight: 600;
}
.production-process .process-flow .main-flow .process-step.final-sub-step {
  background: rgb(181.0956175299, 222.9043824701, 182.7848605578);
  color: #000;
  max-width: 200px;
  padding: 12px 18px;
}
.production-process .process-flow .main-flow .process-step.final-sub-step .step-content {
  font-size: 12px;
}
.production-process .process-flow .main-flow .flow-arrow {
  font-size: 24px;
  color: #1976d2;
  font-weight: bold;
}
.production-process .process-flow .main-flow .branch-container {
  width: 100%;
  display: flex;
  justify-content: center;
  margin: 20px 0;
}
.production-process .process-flow .main-flow .branch-container .branch-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  width: 100%;
  max-width: 800px;
}
@media (max-width: 768px) {
  .production-process .process-flow .main-flow .branch-container .branch-steps {
    grid-template-columns: 1fr;
  }
}
.production-process .process-flow .main-flow .sub-process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
  width: 100%;
  max-width: 800px;
}
@media (max-width: 768px) {
  .production-process .process-flow .main-flow .sub-process {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .production-process .process-flow .main-flow .sub-process {
    grid-template-columns: 1fr;
  }
}
.production-process .process-flow .main-flow .final-sub-process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
  width: 100%;
  max-width: 800px;
}
@media (max-width: 768px) {
  .production-process .process-flow .main-flow .final-sub-process {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 480px) {
  .production-process .process-flow .main-flow .final-sub-process {
    grid-template-columns: 1fr;
  }
}

.quality-management {
  margin-bottom: 80px;
}
.quality-management h2 {
  font-size: 18.6px;
  color: #000;
  text-align: center;
  margin-bottom: 40px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  text-align: left;
}
.quality-management .quality-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 42px;
}
@media (max-width: 768px) {
  .quality-management .quality-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}
@media (max-width: 480px) {
  .quality-management .quality-grid {
    grid-template-columns: 1fr;
  }
}
.quality-management .quality-grid .quality-item {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.quality-management .quality-grid .quality-item:hover {
  transform: translateY(-5px);
}
.quality-management .quality-grid .quality-item .quality-image {
  height: 200px;
  overflow: hidden;
  background: #f5f5f5;
  border-radius: 12px;
}
.quality-management .quality-grid .quality-item .quality-image img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  transition: transform 0.3s ease;
}
.quality-management .quality-grid .quality-item .quality-image:hover img {
  transform: scale(1.05);
}
.quality-management .quality-grid .quality-item .quality-info {
  padding: 20px 0px;
  text-align: left;
}
.quality-management .quality-grid .quality-item .quality-info h3 {
  font-size: 16.67px;
  color: #000;
  margin-bottom: 8px;
  font-weight: 600;
  line-height: 1.3;
}
.quality-management .quality-grid .quality-item .quality-info p {
  font-size: 16.67px;
  color: #000;
  margin: 0;
}

@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }
  .hero {
    padding: 60px 0;
  }
  .hero .hero-content h1 {
    font-size: 2rem;
  }
  .main-content {
    padding: 40px 0;
  }
  .video-section {
    margin-bottom: 60px;
  }
  .production-process {
    padding: 40px 0;
    margin-bottom: 60px;
  }
  .production-process .process-flow .main-flow .process-step {
    padding: 15px 20px;
    min-width: auto;
    max-width: 100%;
  }
  .production-process .process-flow .main-flow .process-step .step-content {
    font-size: 13px;
  }
  .production-process .process-flow .main-flow .process-step.main-step {
    min-width: 250px;
  }
  .quality-management .quality-grid .quality-item .quality-image {
    height: 150px;
  }
  .quality-management .quality-grid .quality-item .quality-info {
    padding: 15px 10px;
  }
  .quality-management .quality-grid .quality-item .quality-info h3 {
    font-size: 13px;
  }
  .quality-management .quality-grid .quality-item .quality-info p {
    font-size: 11px;
  }
}
@media (max-width: 480px) {
  .hero {
    padding: 40px 0;
  }
  .hero .hero-content h1 {
    font-size: 1.8rem;
  }
  .main-content {
    padding: 30px 0;
  }
  .video-section {
    margin-bottom: 40px;
  }
  .video-section .video-content .video-main h2 {
    font-size: 1.3rem;
  }
  .production-process {
    padding: 30px 0;
    margin-bottom: 40px;
  }
  .production-process h2 {
    font-size: 1.5rem;
    margin-bottom: 30px;
  }
  .quality-management h2 {
    font-size: 1.5rem;
    margin-bottom: 30px;
  }
  .quality-management .quality-grid .quality-item .quality-image {
    height: 120px;
  }
}
.quality-item {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease forwards;
}
.quality-item:nth-child(1) {
  animation-delay: 0s;
}
.quality-item:nth-child(2) {
  animation-delay: 0.1s;
}
.quality-item:nth-child(3) {
  animation-delay: 0.2s;
}
.quality-item:nth-child(4) {
  animation-delay: 0.3s;
}
.quality-item:nth-child(5) {
  animation-delay: 0.4s;
}
.quality-item:nth-child(6) {
  animation-delay: 0.5s;
}
.quality-item:nth-child(7) {
  animation-delay: 0.6s;
}
.quality-item:nth-child(8) {
  animation-delay: 0.7s;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.process-step {
  opacity: 0;
  transform: scale(0.9);
  animation: scaleIn 0.5s ease forwards;
}
.process-step.main-step {
  animation-delay: 0.2s;
}
.process-step.branch-step {
  animation-delay: 0.4s;
}
.process-step.sub-step {
  animation-delay: 0.6s;
}
.process-step.final-step {
  animation-delay: 0.8s;
}
.process-step.final-sub-step {
  animation-delay: 1s;
}

@keyframes scaleIn {
  to {
    opacity: 1;
    transform: scale(1);
  }
}
@media screen and (max-width: 768px) {
  .hero-background {
    height: 350px;
    margin-bottom: 40px;
  }
  .hero-background .container .banner-title {
    font-size: 2.2rem;
    padding: 0 20px;
  }
  .video-section {
    margin-bottom: 50px;
  }
  .video-section .video-content {
    gap: 30px;
  }
  .video-section .video-content .video-main h2 {
    font-size: 1.3rem;
    margin-bottom: 15px;
  }
  .video-section .video-content .video-main .video-player {
    border-radius: 8px;
  }
  .video-section .video-content .video-playlist h3 {
    font-size: 1rem;
    padding: 12px 15px;
  }
  .video-section .video-content .video-playlist .playlist-items {
    gap: 12px;
  }
  .video-section .video-content .video-playlist .playlist-items .playlist-item {
    padding: 12px;
    gap: 12px;
  }
  .video-section .video-content .video-playlist .playlist-items .playlist-item .playlist-thumbnail {
    width: 90px;
    height: 50px;
  }
  .video-section .video-content .video-playlist .playlist-items .playlist-item .playlist-info p {
    font-size: 13px;
    -webkit-line-clamp: 2;
  }
  .production-process {
    padding: 40px 0;
    margin-bottom: 50px;
  }
  .production-process h2 {
    font-size: 1.4rem;
    margin-bottom: 30px;
  }
  .production-process h2::after {
    width: 50px;
    height: 2px;
  }
  .production-process .process-flow img {
    max-width: 100%;
    height: auto;
  }
  .production-process .process-flow .main-flow {
    gap: 20px;
  }
  .production-process .process-flow .main-flow .process-step {
    padding: 12px 20px;
  }
  .production-process .process-flow .main-flow .process-step .step-content {
    font-size: 12px;
  }
  .production-process .process-flow .main-flow .process-step.main-step {
    min-width: 200px;
    font-size: 14px;
  }
  .production-process .process-flow .main-flow .process-step.branch-step {
    max-width: 100%;
  }
  .production-process .process-flow .main-flow .process-step.sub-step {
    max-width: 100%;
    padding: 12px 15px;
  }
  .production-process .process-flow .main-flow .process-step.final-sub-step {
    max-width: 100%;
    padding: 10px 15px;
  }
  .production-process .process-flow .main-flow .flow-arrow {
    font-size: 20px;
  }
  .production-process .process-flow .main-flow .branch-container {
    margin: 15px 0;
  }
  .production-process .process-flow .main-flow .branch-container .branch-steps {
    gap: 15px;
  }
  .production-process .process-flow .main-flow .sub-process,
  .production-process .process-flow .main-flow .final-sub-process {
    gap: 12px;
  }
  .quality-management {
    margin-bottom: 50px;
  }
  .quality-management h2 {
    font-size: 1.4rem;
    margin-bottom: 30px;
  }
  .quality-management h2::after {
    width: 50px;
    height: 2px;
  }
  .quality-management .quality-grid {
    gap: 25px;
  }
  .quality-management .quality-grid .quality-item .quality-image {
    height: 160px;
  }
  .quality-management .quality-grid .quality-item .quality-info {
    padding: 15px 12px;
  }
  .quality-management .quality-grid .quality-item .quality-info h3 {
    font-size: 13px;
    margin-bottom: 6px;
  }
  .quality-management .quality-grid .quality-item .quality-info p {
    font-size: 11px;
  }
}
@media screen and (max-width: 480px) {
  .hero-background {
    height: 250px;
    margin-bottom: 30px;
  }
  .hero-background .container .banner-title {
    font-size: 1.8rem;
    padding: 0 15px;
  }
  .video-section {
    margin-bottom: 40px;
  }
  .video-section .video-content {
    gap: 25px;
  }
  .video-section .video-content .video-main h2 {
    font-size: 1.1rem;
    margin-bottom: 12px;
  }
  .video-section .video-content .video-main .video-player {
    border-radius: 6px;
  }
  .video-section .video-content .video-playlist h3 {
    font-size: 0.9rem;
    padding: 10px 12px;
  }
  .video-section .video-content .video-playlist .playlist-items {
    gap: 10px;
  }
  .video-section .video-content .video-playlist .playlist-items .playlist-item {
    padding: 10px;
    gap: 10px;
  }
  .video-section .video-content .video-playlist .playlist-items .playlist-item .playlist-thumbnail {
    width: 80px;
    height: 45px;
  }
  .video-section .video-content .video-playlist .playlist-items .playlist-item .playlist-info p {
    font-size: 12px;
    line-height: 1.3;
  }
  .production-process {
    padding: 30px 0;
    margin-bottom: 40px;
  }
  .production-process h2 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    letter-spacing: 0.5px;
  }
  .production-process h2::after {
    width: 40px;
    bottom: -8px;
  }
  .production-process .process-flow .main-flow {
    gap: 15px;
  }
  .production-process .process-flow .main-flow .process-step {
    padding: 10px 15px;
  }
  .production-process .process-flow .main-flow .process-step .step-content {
    font-size: 11px;
  }
  .production-process .process-flow .main-flow .process-step.main-step {
    min-width: 180px;
    font-size: 13px;
    padding: 12px 15px;
  }
  .production-process .process-flow .main-flow .process-step.branch-step {
    padding: 10px 12px;
  }
  .production-process .process-flow .main-flow .process-step.branch-step .step-content {
    font-size: 11px;
  }
  .production-process .process-flow .main-flow .process-step.sub-step {
    padding: 10px 12px;
  }
  .production-process .process-flow .main-flow .process-step.sub-step .step-content {
    font-size: 10px;
  }
  .production-process .process-flow .main-flow .process-step.final-step {
    font-size: 13px;
    padding: 12px 15px;
  }
  .production-process .process-flow .main-flow .process-step.final-sub-step {
    padding: 8px 12px;
  }
  .production-process .process-flow .main-flow .process-step.final-sub-step .step-content {
    font-size: 10px;
  }
  .production-process .process-flow .main-flow .flow-arrow {
    font-size: 18px;
  }
  .production-process .process-flow .main-flow .branch-container {
    margin: 12px 0;
  }
  .production-process .process-flow .main-flow .branch-container .branch-steps {
    gap: 12px;
  }
  .production-process .process-flow .main-flow .sub-process,
  .production-process .process-flow .main-flow .final-sub-process {
    gap: 10px;
  }
  .quality-management {
    margin-bottom: 40px;
  }
  .quality-management h2 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    letter-spacing: 0.5px;
  }
  .quality-management h2::after {
    width: 40px;
    bottom: -8px;
  }
  .quality-management .quality-grid {
    gap: 20px;
  }
  .quality-management .quality-grid .quality-item .quality-image {
    height: 140px;
  }
  .quality-management .quality-grid .quality-item .quality-info {
    padding: 12px 10px;
  }
  .quality-management .quality-grid .quality-item .quality-info h3 {
    font-size: 12px;
    margin-bottom: 5px;
  }
  .quality-management .quality-grid .quality-item .quality-info p {
    font-size: 10px;
  }
  .container {
    padding: 0 12px;
  }
}
@media screen and (max-width: 375px) {
  .hero-background {
    height: 200px;
    margin-bottom: 25px;
  }
  .hero-background .container .banner-title {
    font-size: 1.5rem;
    padding: 0 10px;
  }
  .video-section {
    margin-bottom: 30px;
  }
  .video-section .video-content {
    gap: 20px;
  }
  .video-section .video-content .video-main h2 {
    font-size: 1rem;
    margin-bottom: 10px;
  }
  .video-section .video-content .video-playlist h3 {
    font-size: 0.85rem;
    padding: 8px 10px;
  }
  .video-section .video-content .video-playlist .playlist-items {
    gap: 8px;
  }
  .video-section .video-content .video-playlist .playlist-items .playlist-item {
    padding: 8px;
    gap: 8px;
  }
  .video-section .video-content .video-playlist .playlist-items .playlist-item .playlist-thumbnail {
    width: 70px;
    height: 40px;
  }
  .video-section .video-content .video-playlist .playlist-items .playlist-item .playlist-info p {
    font-size: 11px;
    line-height: 1.2;
  }
  .production-process {
    padding: 25px 0;
    margin-bottom: 30px;
  }
  .production-process h2 {
    font-size: 1.1rem;
    margin-bottom: 20px;
  }
  .production-process h2::after {
    width: 35px;
    bottom: -7px;
  }
  .production-process .process-flow .main-flow {
    gap: 12px;
  }
  .production-process .process-flow .main-flow .process-step {
    padding: 8px 12px;
  }
  .production-process .process-flow .main-flow .process-step .step-content {
    font-size: 10px;
  }
  .production-process .process-flow .main-flow .process-step.main-step {
    min-width: 160px;
    font-size: 12px;
    padding: 10px 12px;
  }
  .production-process .process-flow .main-flow .process-step.branch-step {
    padding: 8px 10px;
  }
  .production-process .process-flow .main-flow .process-step.branch-step .step-content {
    font-size: 10px;
  }
  .production-process .process-flow .main-flow .process-step.sub-step {
    padding: 8px 10px;
  }
  .production-process .process-flow .main-flow .process-step.sub-step .step-content {
    font-size: 9px;
  }
  .production-process .process-flow .main-flow .process-step.final-step {
    font-size: 12px;
    padding: 10px 12px;
  }
  .production-process .process-flow .main-flow .process-step.final-sub-step {
    padding: 7px 10px;
  }
  .production-process .process-flow .main-flow .process-step.final-sub-step .step-content {
    font-size: 9px;
  }
  .production-process .process-flow .main-flow .flow-arrow {
    font-size: 16px;
  }
  .production-process .process-flow .main-flow .branch-container {
    margin: 10px 0;
  }
  .production-process .process-flow .main-flow .branch-container .branch-steps {
    gap: 10px;
  }
  .production-process .process-flow .main-flow .sub-process,
  .production-process .process-flow .main-flow .final-sub-process {
    gap: 8px;
  }
  .quality-management {
    margin-bottom: 30px;
  }
  .quality-management h2 {
    font-size: 1.1rem;
    margin-bottom: 20px;
  }
  .quality-management h2::after {
    width: 35px;
    bottom: -7px;
  }
  .quality-management .quality-grid {
    gap: 15px;
  }
  .quality-management .quality-grid .quality-item .quality-image {
    height: 120px;
  }
  .quality-management .quality-grid .quality-item .quality-info {
    padding: 10px 8px;
  }
  .quality-management .quality-grid .quality-item .quality-info h3 {
    font-size: 11px;
    margin-bottom: 4px;
  }
  .quality-management .quality-grid .quality-item .quality-info p {
    font-size: 9px;
  }
  .container {
    padding: 0 10px;
  }
}