/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html, body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: #333;
  background: #fff;
  overflow: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* ===== HAMBURGER ===== */
.header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  cursor: pointer;
  gap: 5px;
  padding: 4px;
  z-index: 1100;
}

.header__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #333;
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.header__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__hamburger.open span:nth-child(2) {
  opacity: 0;
}

.header__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== MOBILE NAV ===== */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 260px;
  height: 100vh;
  background: rgba(255,255,255,0.98);
  z-index: 1050;
  padding: 88px 32px 32px;
  transition: right 0.35s ease;
  box-shadow: -4px 0 24px rgba(0,0,0,0.08);
  overflow-y: auto;
}

.mobile-nav.open {
  right: 0;
}

.mobile-nav__links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav__link {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: #555;
  padding: 14px 16px;
  border-radius: 10px;
  transition: all 0.2s;
}

.mobile-nav__link.active,
.mobile-nav__link:hover {
  background: rgba(55, 120, 229, 0.08);
  color: #3778e5;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid #e6e7eb;
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: transform 0.3s ease;
}

.header.hidden {
  transform: translateY(-100%);
}

.header__nav {
  width: 100%;
  padding: 0 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
}

.header__logo img {
  height: 64px;
  width: auto;
}

.header__links {
  display: flex;
  align-items: center;
  gap: 48px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.header__link {
  font-size: 14px;
  color: #676b73;
  padding: 4px 0;
  position: relative;
  transition: color 0.3s;
  white-space: nowrap;
}

.header__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #3778e5;
  transition: width 0.3s;
}

.header__link:hover,
.header__link.active {
  color: #333;
}

.header__link:hover::after,
.header__link.active::after {
  width: 100%;
}

.header__lang {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  padding-left: 16px;
}

.header__lang::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 16px;
  background: #e6e7eb;
}

.lang__item {
  font-size: 13px;
  font-weight: 600;
  color: #dee1e6;
  cursor: pointer;
  transition: color 0.3s;
}

.lang__item.active {
  color: #676b73;
}

.lang__item:hover {
  color: #333;
}

/* ===== MAIN SWIPER ===== */
.main-swiper {
  position: relative;
  width: 100vw;
  height: 100vh;
}

.main-swiper .swiper-slide {
  width: 100%;
  height: 100%;
}

/* Custom scrollbar */
.main-swiper__scrollbar {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.main-swiper__scrollbar .swiper-scrollbar-drag {
  background: #3778e5;
  border-radius: 4px;
}

.main-swiper__scrollbar.swiper-scrollbar {
  width: 3px;
  height: 120px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  left: auto;
  right: 14px;
}

/* ===== HERO SLIDE ===== */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

.hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 48px;
  padding: 80px 20px 160px;
  text-align: center;
}

.hero__logo {
  position: absolute;
  top: 24px;
  left: 44px;
  z-index: 10;
}

.hero__logo img {
  height: 64px;
  width: auto;
  opacity: 0.95;
}

.hero__slogan {
  max-width: 520px;
}

.hero__slogan img {
  width: 100%;
  height: auto;
}

.hero__action {
  margin-top: 12px;
}

.hero__btn {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s;
  position: relative;
  cursor: pointer;
}

.hero__btn::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  animation: btnPulse 2s ease-in-out infinite;
}

@keyframes btnPulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.2; }
}

.hero__btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.05);
}

.hero__btn-icon {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 16px;
  border-color: transparent transparent transparent rgba(255, 255, 255, 0.9);
  margin-left: 4px;
}

.hero__scroll {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  opacity: 0.7;
}

.scroll__mouse {
  width: 20px;
  height: 32px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 12px;
  position: relative;
}

.scroll__mouse::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 3px;
  animation: scrollWheel 1.5s ease-in-out infinite;
}

@keyframes scrollWheel {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

.scroll__arrow {
  animation: scrollArrow 1.5s ease-in-out infinite;
}

@keyframes scrollArrow {
  0%, 100% { opacity: 0.4; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(4px); }
}

/* ===== PRODUCTS SLIDE ===== */
.products {
  background: #f8f9fb;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.products__inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px;
  position: relative;
}

.product-swiper {
  width: 100%;
  overflow: hidden;
  padding: 20px 0;
}

.product-card {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 500px;
  padding: 40px;
  border-radius: 16px;
  overflow: hidden;
}

.product-card__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: 16px;
  overflow: hidden;
}

.product-card__board {
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 60%;
  background: linear-gradient(135deg, transparent 0%, rgba(55, 120, 229, 0.08) 100%);
  border-radius: 50%/50% 0 0 0;
  transform: translate(20%, -20%);
}

.product-card__image {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.08;
}

.product-card__placeholder {
  width: 100%;
  height: 100%;
}

.product-card__info {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.product-card__name h2 {
  font-size: 48px;
  font-weight: 700;
  background: linear-gradient(135deg, #3778e5, #e98bc0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 4px;
  margin-bottom: 12px;
}

.product-card__enname {
  font-size: 16px;
  color: #999;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.product-card__btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 40px;
  background: rgba(55, 120, 229, 0.08);
  border: 1px solid rgba(55, 120, 229, 0.2);
  border-radius: 40px;
  transition: all 0.3s;
}

.product-card__btn:hover {
  background: rgba(55, 120, 229, 0.15);
  border-color: rgba(55, 120, 229, 0.4);
  transform: translateY(-2px);
}

.btn__play {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 7px 0 7px 12px;
  border-color: transparent transparent transparent #3778e5;
}

.btn__text {
  font-size: 13px;
  font-weight: 600;
  color: #3778e5;
  letter-spacing: 2px;
}

.product-swiper__pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.product-swiper__pagination .swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  background: #d0d3d8;
  opacity: 1;
  border-radius: 4px;
  transition: all 0.3s;
}

.product-swiper__pagination .swiper-pagination-bullet-active {
  width: 24px;
  background: #3778e5;
  border-radius: 4px;
}

/* ===== CULTURE SLIDE ===== */
.culture {
  background: #f0f4ff;
  overflow-y: auto;
}

.culture__inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 92px 40px 60px;
  text-align: center;
}

.culture__title {
  font-size: 36px;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 16px;
  letter-spacing: 4px;
}

.culture__desc {
  font-size: 15px;
  line-height: 1.8;
  color: #666;
  max-width: 560px;
  margin: 0 auto 40px;
}

/* Mission & Vision */
.culture__mission {
  display: flex;
  gap: 24px;
  margin-bottom: 48px;
}

.mission-card {
  flex: 1;
  background: #fff;
  border-radius: 14px;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  text-align: left;
  transition: all 0.3s;
  border: 1px solid #e8eaee;
}

.mission-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(55, 120, 229, 0.08);
  border-color: rgba(55, 120, 229, 0.15);
}

.mission-card__icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(55, 120, 229, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3778e5;
}

.mission-card__text h4 {
  font-size: 15px;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 4px;
  letter-spacing: 1px;
}

.mission-card__text p {
  font-size: 13px;
  color: #888;
  line-height: 1.5;
}

/* Values subtitle */
.culture__subtitle {
  font-size: 20px;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 28px;
  letter-spacing: 2px;
}

.culture__values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.value-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s;
  border: 1px solid #e8eaee;
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(55, 120, 229, 0.1);
  border-color: rgba(55, 120, 229, 0.2);
}

.value-card__icon {
  margin-bottom: 16px;
  display: flex;
  justify-content: center;
}

.value-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 10px;
  letter-spacing: 2px;
}

.value-card p {
  font-size: 13px;
  color: #888;
  line-height: 1.6;
}

/* Glance stats */
.culture__glance {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.glance-item {
  background: rgba(255, 255, 255, 0.7);
  border-radius: 12px;
  padding: 20px 16px;
  text-align: center;
  border: 1px solid rgba(55, 120, 229, 0.08);
}

.glance-item__num {
  display: block;
  font-size: 26px;
  font-weight: 800;
  background: linear-gradient(135deg, #3778e5, #7aa8f0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.glance-item__label {
  font-size: 12px;
  color: #999;
  letter-spacing: 1px;
}

/* ===== NEWS SLIDE ===== */
.news {
  background: #f8f9fb;
  overflow-y: auto;
}

.news__inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 92px 40px 60px;
  text-align: center;
  width: 100%;
}

.news__title {
  font-size: 36px;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 40px;
  letter-spacing: 4px;
}

/* Featured news */
.news__featured {
  background: linear-gradient(135deg, #1a1a2e, #2a2a4e);
  border-radius: 16px;
  padding: 36px 40px;
  text-align: left;
  margin-bottom: 36px;
  position: relative;
}

.news__featured-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background: rgba(55, 120, 229, 0.85);
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.news__featured h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.4;
}

.news__featured p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
  margin-bottom: 16px;
}

.news__featured-date {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
  font-weight: 500;
}

/* News list */
.news__list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.news__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  text-align: left;
  padding: 20px 24px;
  border-bottom: 1px solid #e8eaee;
  transition: all 0.3s;
  border-radius: 12px;
}

.news__item:last-child {
  border-bottom: none;
}

.news__item:hover {
  background: rgba(55, 120, 229, 0.04);
}

/* Category tags */
.news__item-tag {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

.tag-expo {
  background: rgba(55, 120, 229, 0.1);
  color: #3778e5;
}

.tag-partner {
  background: rgba(0, 181, 181, 0.1);
  color: #00b5b5;
}

.tag-product {
  background: rgba(233, 139, 192, 0.1);
  color: #d470a8;
}

.tag-honor {
  background: rgba(184, 134, 11, 0.1);
  color: #b8860b;
}

.news__item-content {
  flex: 1;
  min-width: 0;
}

.news__item-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 4px;
}

.news__item-date {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 600;
  color: #aaa;
}

.news__item-header h3 {
  font-size: 15px;
  font-weight: 600;
  color: #1a1a2e;
  line-height: 1.4;
}

.news__item-content p {
  font-size: 13px;
  color: #999;
  line-height: 1.6;
}

/* More link */
.news__more {
  display: inline-block;
  margin-top: 28px;
  font-size: 13px;
  font-weight: 600;
  color: #3778e5;
  letter-spacing: 1px;
  transition: all 0.3s;
}

.news__more:hover {
  color: #1a5cc8;
  transform: translateX(4px);
}

/* ===== ABOUT SLIDE ===== */
.about {
  background: #fff;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  position: relative;
  overflow-y: auto;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #3778e5, #e98bc0, #3778e5);
  background-size: 200% 100%;
  animation: gradBar 4s linear infinite;
}

@keyframes gradBar {
  0% { background-position: 0% 0; }
  100% { background-position: 200% 0; }
}

.about__inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 100px 40px 60px;
  text-align: center;
  width: 100%;
}

.about__title {
  font-size: 36px;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 24px;
  letter-spacing: 4px;
}

.about__desc {
  font-size: 16px;
  line-height: 1.8;
  color: #666;
  max-width: 640px;
  margin: 0 auto 48px;
}

.about__motto {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.motto__chip {
  padding: 8px 20px;
  border: 1px solid #e0e2e6;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: #888;
  letter-spacing: 1px;
  transition: all 0.3s;
}

.motto__chip:hover {
  border-color: #3778e5;
  color: #3778e5;
  background: rgba(55, 120, 229, 0.05);
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.stat__num {
  font-size: 36px;
  font-weight: 800;
  background: linear-gradient(135deg, #3778e5, #e98bc0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat__label {
  font-size: 13px;
  color: #999;
  letter-spacing: 1px;
}

.about__desc2 {
  font-size: 14px;
  line-height: 1.8;
  color: #777;
  max-width: 640px;
  margin: -24px auto 40px;
}

/* About section */
.about__section {
  margin-bottom: 56px;
}

.about__section:last-child {
  margin-bottom: 0;
}

.about__section-title {
  font-size: 22px;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 32px;
  letter-spacing: 3px;
  position: relative;
  display: inline-block;
}

.about__section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, #3778e5, #e98bc0);
}

/* Timeline */
.about__timeline {
  position: relative;
  text-align: left;
  max-width: 600px;
  margin: 0 auto;
  padding-left: 32px;
}

.about__timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, #3778e5, #e98bc0);
  border-radius: 1px;
}

.timeline__item {
  position: relative;
  padding-bottom: 32px;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  position: absolute;
  left: -26px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid #3778e5;
  z-index: 1;
}

.timeline__content {
  background: #f8f9fb;
  border-radius: 12px;
  padding: 16px 20px;
  transition: all 0.3s;
  border: 1px solid #e8eaee;
}

.timeline__content:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 16px rgba(55, 120, 229, 0.08);
  border-color: rgba(55, 120, 229, 0.15);
}

.timeline__year {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: #3778e5;
  background: rgba(55, 120, 229, 0.08);
  padding: 2px 12px;
  border-radius: 10px;
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

.timeline__content h4 {
  font-size: 15px;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}

.timeline__content p {
  font-size: 13px;
  color: #888;
  line-height: 1.6;
}

/* Core advantages */
.about__advantages {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.advantage-card {
  background: #f8f9fb;
  border-radius: 14px;
  padding: 28px 24px;
  text-align: left;
  transition: all 0.3s;
  border: 1px solid #e8eaee;
}

.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(55, 120, 229, 0.08);
  border-color: rgba(55, 120, 229, 0.15);
}

.advantage-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(55, 120, 229, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #3778e5;
  margin-bottom: 16px;
}

.advantage-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.advantage-card p {
  font-size: 13px;
  color: #888;
  line-height: 1.6;
}

/* Team section */
.about__team {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.team-card {
  background: #f8f9fb;
  border-radius: 14px;
  padding: 28px 20px;
  text-align: center;
  transition: all 0.3s;
  border: 1px solid #e8eaee;
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(55, 120, 229, 0.08);
  border-color: rgba(55, 120, 229, 0.15);
}

.team-card__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(55, 120, 229, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}

.team-card__name {
  font-size: 16px;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 2px;
  letter-spacing: 1px;
}

.team-card__role {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: #3778e5;
  background: rgba(55, 120, 229, 0.08);
  padding: 2px 14px;
  border-radius: 10px;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

.team-card p {
  font-size: 13px;
  color: #888;
  line-height: 1.6;
}

/* ===== CONTACT SLIDE ===== */
.contact {
  background: #f5f7fa;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.contact__inner {
  flex: 1 0 auto;
  max-width: 1000px;
  margin: 0 auto;
  padding: 60px 40px;
  text-align: center;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.contact__title {
  font-size: 36px;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 48px;
  letter-spacing: 4px;
}

.contact__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.contact__card {
  background: #fff;
  border-radius: 16px;
  padding: 40px 32px;
  text-align: left;
  transition: all 0.3s;
  border: 1px solid #e8eaee;
}

.contact__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
  border-color: #d0d4dd;
}

.contact__icon {
  margin-bottom: 16px;
}

.contact__card h3 {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a2e;
  margin-bottom: 8px;
}

.contact__card p {
  font-size: 14px;
  color: #888;
  margin-bottom: 16px;
}

.contact__card a {
  font-size: 13px;
  font-weight: 600;
  color: #3778e5;
  letter-spacing: 0.5px;
  transition: color 0.3s;
}

.contact__card a:hover {
  color: #1a5cc8;
}

/* ===== VIDEO MODAL ===== */
.video-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.video-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.video-modal {
  position: relative;
  width: 80vw;
  max-width: 1000px;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
  transform: scale(0.9);
  transition: transform 0.4s ease;
}

.video-overlay.open .video-modal {
  transform: scale(1);
}

.video-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  cursor: pointer;
  transition: background 0.3s;
  border: none;
}

.video-modal__close:hover {
  background: rgba(0, 0, 0, 0.8);
}

.video-modal__player {
  width: 100%;
  display: block;
}

/* ===== FLOATING COOP BTN ===== */
.coop-btn {
  position: fixed;
  right: 24px;
  bottom: 32px;
  z-index: 900;
  padding: 12px 24px;
  background: #3778e5;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: 40px;
  cursor: pointer;
  letter-spacing: 1px;
  box-shadow: 0 4px 16px rgba(55, 120, 229, 0.35);
  transition: all 0.3s;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
}

.coop-btn.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.coop-btn:hover {
  background: #2a5fc9;
  box-shadow: 0 6px 24px rgba(55, 120, 229, 0.5);
  transform: translateY(-2px);
}

/* ===== COOP MODAL ===== */
.coop-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.coop-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.coop-modal {
  background: #fff;
  border-radius: 20px;
  padding: 48px 40px 40px;
  max-width: 480px;
  width: 90%;
  position: relative;
  transform: translateY(24px);
  transition: transform 0.3s;
}

.coop-overlay.open .coop-modal {
  transform: translateY(0);
}

.coop-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #f5f5f5;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  transition: all 0.2s;
}

.coop-modal__close:hover {
  background: #e8e8e8;
  color: #333;
}

.coop-modal__title {
  font-size: 28px;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.coop-modal__desc {
  font-size: 14px;
  color: #888;
  margin-bottom: 32px;
  line-height: 1.6;
}

.coop-modal__grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.coop-modal__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: #f8f9fb;
  border-radius: 10px;
}

.coop-modal__label {
  font-size: 13px;
  color: #999;
  font-weight: 500;
}

.coop-modal__value {
  font-size: 13px;
  color: #333;
  font-weight: 600;
}

.coop-modal__footer {
  text-align: center;
  font-size: 13px;
  color: #aaa;
  letter-spacing: 1px;
}

/* ===== FOOTER ===== */
.footer {
  background: #1a1a2e;
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 40px 48px;
}

.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer__top {
  display: flex;
  gap: 80px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 24px;
}

.footer__brand img {
  height: 32px;
  width: auto;
  opacity: 0.8;
}

.footer__links {
  display: flex;
  gap: 64px;
  flex: 1;
  justify-content: flex-end;
}

.footer__col h4 {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 16px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.footer__col a {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 8px;
  transition: color 0.3s;
}

.footer__col a:hover {
  color: #fff;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 4px 24px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

.footer__slogan {
  letter-spacing: 1px;
  margin-left: auto;
}

.footer__bottom-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer__sep {
  color: rgba(255, 255, 255, 0.15);
}

.footer__beian {
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.3);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .header__links {
    display: none;
  }

  .header__hamburger {
    display: flex;
  }

  .header__nav {
    padding: 0 24px;
  }
}

@media (max-width: 768px) {
  .header__lang::before {
    display: none;
  }

  .header__nav {
    padding: 0 20px;
  }

  .hero__content {
    gap: 32px;
    padding: 60px 20px 120px;
  }

  .hero__slogan {
    max-width: 300px;
  }

  .hero__btn {
    width: 48px;
    height: 48px;
    border-radius: 12px;
  }

  .hero__btn-icon {
    border-width: 8px 0 8px 13px;
  }

  .hero__logo {
    top: 12px;
    left: 20px;
  }

  .hero__logo img {
    height: 36px;
  }

  .hero__scroll {
    bottom: 32px;
  }

  .video-modal {
    width: 92vw;
  }

  .product-card {
    min-height: 360px;
    padding: 28px 20px;
  }

  .product-card__name h2 {
    font-size: 28px;
    letter-spacing: 2px;
  }

  .product-card__enname {
    font-size: 13px;
  }

  .product-card__info {
    gap: 24px;
  }

  .product-card__btn {
    padding: 12px 28px;
  }

  .products__inner {
    padding: 16px;
  }

  .about__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .about__inner {
    padding: 48px 20px;
  }

  .about__title {
    font-size: 28px;
  }

  .about__desc {
    font-size: 14px;
    margin-bottom: 32px;
  }

  .about__advantages {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .about__section-title {
    font-size: 18px;
  }

  .about__timeline {
    padding-left: 24px;
  }

  .about__desc2 {
    font-size: 13px;
    margin: -16px auto 28px;
  }

  .footer {
    padding: 40px 20px 32px;
  }

  .footer__top {
    flex-direction: column;
    gap: 32px;
  }

  .footer__links {
    flex-direction: column;
    gap: 24px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .footer__slogan {
    margin-left: 0;
  }

  .footer__bottom-row {
    flex-wrap: wrap;
    justify-content: center;
  }

  .culture__mission {
    flex-direction: column;
  }

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

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

  .culture__inner {
    padding: 80px 20px 40px;
  }

  .culture__title {
    font-size: 28px;
  }

  .mission-card {
    padding: 20px;
  }

  .news__featured {
    padding: 28px 24px;
  }

  .news__featured h3 {
    font-size: 17px;
  }

  .news__item {
    flex-direction: column;
    gap: 8px;
    padding: 16px 12px;
  }

  .news__item-header {
    flex-direction: column;
    gap: 4px;
  }

  .news__inner {
    padding: 72px 20px 32px;
  }

  .news__title {
    font-size: 28px;
  }

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

  .contact__inner {
    padding: 40px 20px;
    min-height: auto;
  }

  .contact__title {
    font-size: 28px;
    margin-bottom: 32px;
  }

  .contact__card {
    padding: 28px 24px;
  }

  .coop-btn {
    right: 16px;
    bottom: 20px;
    padding: 10px 20px;
    font-size: 13px;
  }

  .coop-modal {
    padding: 36px 24px 32px;
  }

  .coop-modal__title {
    font-size: 22px;
  }

  .main-swiper__scrollbar.swiper-scrollbar {
    right: 6px;
  }

  .aside-slogan {
    display: none;
  }
}

@media (max-width: 480px) {
  .product-card__name h2 {
    font-size: 22px;
    letter-spacing: 1px;
  }

  .product-card__enname {
    font-size: 12px;
  }

  .product-card {
    min-height: 300px;
    padding: 20px 16px;
  }

  .stat__num {
    font-size: 28px;
  }

  .hero__slogan {
    max-width: 240px;
  }

  .hero__content {
    gap: 24px;
    padding: 48px 16px 100px;
  }

  .hero__logo img {
    height: 28px;
  }

  .glance-item__num {
    font-size: 22px;
  }

  .about__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .product-card__name h2 {
    font-size: 24px;
  }

  .stat__num {
    font-size: 28px;
  }
}