/* ========================================
   红运机械官网 - 主样式文件
   ======================================== */

/* ---------- Fonts ---------- */
@font-face {
  font-family: 'HarmonyOS Sans SC';
  src: url('../assets/fonts/HarmonyOS_Sans_SC_Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'HarmonyOS Sans SC';
  src: url('../assets/fonts/HarmonyOS_Sans_SC_Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'DIN Pro';
  src: url('../assets/fonts/DINPro.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 18px;
  scroll-behavior: smooth;
}


body {
  font-family: 'HarmonyOS Sans SC', "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  color: var(--color-text, #18181B);
  background-color: var(--color-bg, #FFFFFF);
}

/* 数字和英文使用 DIN Pro */
.font-din {
  font-family: 'DIN Pro', sans-serif;
}

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

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

/* ---------- Variables ---------- */
:root {
  /* Main Colors */
  --hy-red: #BA0C2F;
  --hy-red-dark: #9A0A27;
  --hy-black: #000000;
  --hy-white: #FFFFFF;
  
  /* Zinc Scale */
  --zinc-50: #FAFAFA;
  --zinc-100: #F4F4F5;
  --zinc-200: #E4E4E7;
  --zinc-300: #D4D4D8;
  --zinc-400: #A1A1AA;
  --zinc-500: #71717A;
  --zinc-600: #52525B;
  --zinc-700: #3F3F46;
  --zinc-800: #27272A;
  --zinc-900: #18181B;
  --zinc-950: #09090B;
  
  /* Border Radius */
  --rounded-none: 0;
  --rounded-sm: 2px;
  --rounded: 4px;
  --rounded-md: 6px;
  --rounded-lg: 8px;
  --rounded-xl: 12px;
  --rounded-2xl: 16px;
  --rounded-3xl: 24px;
  
  /* Aliases (for convenience) */
  --color-primary: var(--hy-red);
  --color-text: var(--zinc-900);
  --color-text-secondary: var(--zinc-600);
  --color-border: var(--zinc-200);
  --color-bg: var(--hy-white);
  --color-bg-secondary: var(--zinc-50);
  
  /* Layout */
  --max-width: 1360px;
  --header-height: 64px;
  --hero-height: calc(100vh - 140px);
}

/* ---------- Layout ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  height: var(--header-height);
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.header.scrolled {
  background: var(--hy-white);
  border-bottom: 0.5px solid var(--zinc-300);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  color: var(--hy-white);
}

.logo-img {
  height: 32px;
  width: auto;
  /* 默认白色 */
  filter: brightness(0) invert(1);
  transition: filter 0.3s ease;
}

.header.scrolled .logo-img {
  /* 滚动后恢复原色（红色） */
  filter: none;
}

/* Icon 图片 */
.btn-icon img {
  /* 默认白色 */
  filter: brightness(0) invert(1);
  transition: filter 0.3s ease;
}

.header.scrolled .btn-icon img {
  /* 滚动后变灰色 */
  filter: brightness(0) saturate(100%) invert(32%) sepia(9%) saturate(412%) hue-rotate(201deg) brightness(95%) contrast(89%);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 48px;
}

.nav-item {
  position: relative;
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.nav-link {
  color: var(--hy-white);
  text-decoration: none;
  font-size: 16px;
  font-weight: 400;
  transition: color 0.3s ease;
  position: relative;
  letter-spacing: 0.4px;
}

.header.scrolled .nav-link {
  color: var(--zinc-900);
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--hy-red);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.nav-item:hover::after,
.nav-item.active::after {
  transform: scaleX(1);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Globe + Lang Switch Group */
.globe-lang-group {
  display: flex;
  align-items: center;
}

.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--hy-white);
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.3s ease;
}

.header.scrolled .btn-icon {
  color: var(--zinc-600);
}

.lang-switch {
  display: flex;
  align-items: center;
  font-size: 16px;
}

.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 15px;
  font-family: inherit;
  transition: color 0.3s ease;
}

.lang-divider {
  padding: 0 2px;
}

.lang-btn:hover {
  color: var(--hy-white);
}

.lang-btn.active {
  color: var(--hy-white);
  font-weight: 500;
}

.header.scrolled .lang-btn {
  color: var(--zinc-400);
}

.header.scrolled .lang-btn:hover {
  color: var(--zinc-900);
}

.header.scrolled .lang-btn.active {
  color: var(--zinc-900);
}

.lang-divider {
  color: rgba(255, 255, 255, 0.4);
}

.header.scrolled .lang-divider {
  color: var(--zinc-300);
}

/* ---------- Dropdown Menu ---------- */
.dropdown-overlay {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  pointer-events: none;
}

.dropdown-overlay.active {
  pointer-events: auto;
}

.dropdown-overlay.active {
  opacity: 1;
  visibility: visible;
}

.dropdown-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--zinc-50);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border-bottom: 4px solid var(--hy-red);
  z-index: 999;
  display: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  pointer-events: none;
}

.dropdown-menu.active {
  display: block;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
  animation: dropdownFadeIn 0.3s ease forwards;
}

@keyframes dropdownFadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dropdown-close {
  position: absolute;
  top: 24px;
  right: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--zinc-400);
  transition: color 0.3s ease;
}

.dropdown-close:hover {
  color: var(--zinc-900);
}

.dropdown-close img {
  filter: brightness(0) saturate(100%) invert(70%) sepia(5%) saturate(400%) hue-rotate(200deg);
  transition: filter 0.3s ease;
}

.dropdown-close:hover img {
  filter: brightness(0) saturate(100%) invert(10%);
}

.dropdown-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 80px 80px 80px;
  display: flex;
  gap: 40px;
}

.dropdown-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dropdown-col-left {
  min-width: 160px;
}


.dropdown-col-middle {
  padding-left: 0;
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  position: relative;
  z-index: 1;
}

.dropdown-col-middle.visible {
  opacity: 1;
  visibility: visible;
}

/* 行业解决方案 - 中间列始终显示 */
#dropdownSolutions .dropdown-col-middle {
  opacity: 1;
  visibility: visible;
}

.dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0 12px 0;
  border-bottom: 1px solid var(--zinc-200);
  color: var(--zinc-600);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.dropdown-item:hover {
  color: var(--zinc-900);
}

.dropdown-item.active {
  color: var(--hy-red);
  border-bottom-color: var(--hy-red);
}


.dropdown-item-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.dropdown-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  background-color: var(--zinc-400);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  transition: background-color 0.2s ease;
}

.dropdown-item:hover .dropdown-icon,
.dropdown-item.active .dropdown-icon {
  background-color: var(--hy-red);
}

/* Middle column items - lighter color */
.dropdown-col-middle .dropdown-item {
  color: var(--zinc-400);
}

.dropdown-col-middle .dropdown-item:hover {
  color: var(--zinc-900);
}

.dropdown-col-middle .dropdown-item:hover .dropdown-icon {
  background-color: var(--hy-red);
}

/* 关于红运 - 中间列子菜单专用样式 */
#dropdownAbout .dropdown-col-middle .dropdown-item {
  position: relative;
  z-index: 50;
}

#dropdownAbout .dropdown-col-middle .dropdown-item:hover {
  color: var(--zinc-900);
}

#dropdownAbout .dropdown-col-middle .dropdown-item:hover .dropdown-icon {
  background-color: var(--hy-red);
}

/* 限制左列宽度防止覆盖中间列 */
#dropdownAbout .dropdown-col-left {
  width: 180px;
  flex-shrink: 0;
}

#dropdownAbout .dropdown-col-left .dropdown-item {
  width: 100%;
  box-sizing: border-box;
}

.dropdown-arrow {
  width: 12px;
  height: 12px;
  margin-left: 16px;
  opacity: 0;
  background-color: var(--zinc-400);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  transition: opacity 0.2s ease, background-color 0.2s ease;
}

.dropdown-item:hover .dropdown-arrow,
.dropdown-item.active .dropdown-arrow {
  opacity: 1;
  background-color: var(--hy-red);
}

/* Dropdown Preview */
.dropdown-col-right {
  display: flex;
  flex-direction: row;
  gap: 48px;
  align-items: flex-start;
  margin-left: auto;
}

.dropdown-preview {
  width: 260px;
  padding-top: 8px;
}

.dropdown-preview-title {
  font-size: 24px;
  font-weight: 400;
  color: var(--hy-red);
  margin-bottom: 16px;
}

.dropdown-preview-desc {
  font-size: 15px;
  color: var(--zinc-600);
  line-height: 1.7;
  margin-bottom: 24px;
}

.dropdown-preview-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--hy-red);
  color: var(--hy-white);
  padding: 6px 16px;
  border-radius: 1000px;
  font-size: 13px;
  text-decoration: none;
  transition: background 0.3s ease;
}

.dropdown-preview-btn:hover {
  background: #9a0a28;
}

.dropdown-preview-image {
  width: 240px;
  height: 140px;
  border-radius: var(--rounded);
  overflow: hidden;
}

.dropdown-preview-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========== Products Dropdown ========== */

/* 返回上级按钮 */
.dropdown-back {
  position: absolute;
  top: 12px;
  left: 170px;
  display: none;
  align-items: center;
  gap: 8px;
  color: var(--zinc-600);
  font-size: 13px;
  cursor: pointer;
  transition: color 0.2s ease;
  z-index: 10;
}

.dropdown-back:hover {
  color: var(--zinc-900);
}

.dropdown-back.visible {
  display: flex;
}

.dropdown-back-icon {
  width: 14px;
  height: 14px;
  background-color: var(--hy-red);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  transition: background-color 0.2s ease;
}

.dropdown-back:hover .dropdown-back-icon {
  background-color: var(--zinc-900);
}

/* 产品中心 - 第一级（默认显示） */
.dropdown-products-level1 {
  display: flex;
}

/* 产品中心 - 第二级（默认隐藏，悬停第一级时显示） */
.dropdown-products-level2 {
  display: none;
}

.dropdown-products-level2.visible {
  display: flex;
}

/* 产品中心 - 第三级（默认隐藏） */
.dropdown-products-level3,
.dropdown-products-level3-sub {
  display: none;
}

.dropdown-products-level3.visible,
.dropdown-products-level3-sub.visible {
  display: flex;
}

/* 进入第三级时隐藏第一二级 */
.dropdown-products.level3-active .dropdown-products-level1,
.dropdown-products.level3-active .dropdown-products-level2 {
  display: none;
}

.dropdown-products.level3-active .dropdown-products-level3 {
  display: flex;
}

.dropdown-products.level3-active .dropdown-products-level3-sub {
  display: flex;
}

/* Search Overlay */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 2000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-container {
  width: 100%;
  max-width: 600px;
  padding: 0 20px;
  transform: translateY(-20px);
  transition: transform 0.3s ease;
}

.search-overlay.active .search-container {
  transform: translateY(0);
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input {
  width: 100%;
  padding: 16px 24px;
  padding-right: 56px;
  font-size: 20px;
  font-family: inherit;
  border: none;
  border-radius: var(--rounded);
  background: var(--hy-white);
  color: var(--zinc-900);
  outline: none;
}

.search-input::placeholder {
  color: var(--zinc-400);
}

.search-submit {
  position: absolute;
  right: 8px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 12px;
  color: var(--zinc-600);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.3s ease;
}

.search-submit:hover {
  color: var(--hy-red);
}

.search-close {
  position: absolute;
  top: 40px;
  right: 40px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--hy-white);
  padding: 12px;
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.search-close:hover {
  opacity: 1;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  width: 100%;
  height: var(--hero-height);
  min-height: 500px;
  overflow: hidden;
}

.hero-carousel {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Overlay: 45% black multiply + 1px dot pattern */
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    url("data:image/svg+xml,%3Csvg width='2' height='2' viewBox='0 0 2 2' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='1' cy='1' r='0.5' fill='rgba(0,0,0,0.15)'/%3E%3C/svg%3E"),
    rgba(0, 0, 0, 0.45);
  background-size: 2px 2px, cover;
  mix-blend-mode: multiply;
  pointer-events: none;
}

/* Hero Content */
.hero-content {
  position: absolute;
  top: 50%;
  right: calc((100% - var(--max-width)) / 2 + 40px);
  transform: translateY(-50%);
  text-align: right;
  color: #fff;
  z-index: 10;
}

.hero-title {
  font-size: 40px;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: 2px;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.hero-desc {
  font-size: 20px;
  opacity: 0.85;
  margin-bottom: 32px;
  font-weight: 300;
  letter-spacing: 0.4px;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

/* 文字切换动画 */
.hero-title.fade-out,
.hero-desc.fade-out {
  opacity: 0;
  transform: translateY(-10px);
}

.hero-title.fade-in,
.hero-desc.fade-in {
  opacity: 1;
  transform: translateY(0);
}

.hero-desc.fade-in {
  opacity: 0.85;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--color-primary);
  color: #fff;
  padding: 8px 20px;
  border-radius: 1000px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  transition: background 0.3s ease, transform 0.3s ease;
}

.hero-btn:hover {
  background: #9a0a28;
  transform: translateX(4px);
}

/* Hero Arrows */
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.6);
  padding: 16px;
  z-index: 10;
  transition: color 0.3s ease;
}

.hero-arrow:hover {
  color: #fff;
}

.hero-arrow-prev {
  left: 40px;
}

.hero-arrow-next {
  right: 40px;
}

/* Hero Pagination */
.hero-pagination {
  position: absolute;
  bottom: 60px;
  left: calc((100% - var(--max-width)) / 2 + 40px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  z-index: 10;
}

.hero-page-num {
  color: #fff;
  font-size: 20px;
  font-weight: 500;
}

.hero-progress {
  display: flex;
  gap: 8px;
}

.hero-progress-bar {
  width: 80px;
  height: 3px;
  background: rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.hero-progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

.hero-progress-bar.active::after {
  width: 100%;
  animation: progress 6s linear forwards;
}

@keyframes progress {
  from { width: 0; }
  to { width: 100%; }
}

/* ---------- Products ---------- */
.products {
  padding: 80px 0;
}

/* ---------- About / Stats ---------- */
.about {
  position: relative;
  padding: 80px 0;
  overflow: hidden;
  color: var(--hy-white);
}

.about-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../assets/images/about-section-bgimg.jpg') center center / cover no-repeat;
  background-attachment: fixed;
  z-index: -1;
}

.about-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

.about-content {
  display: flex;
  justify-content: space-between;
  gap: 80px;
  margin-bottom: 60px;
}

.about-left {
  flex: 0 0 40%;
}

.about-title {
  font-size: 30px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 20px;
}

.about-subtitle {
  font-size: 16px;
  opacity: 0.8;
  line-height: 1.6;
}

.about-right {
  flex: 1;
}

.about-desc {
  font-size: 15px;
  line-height: 1.8;
  opacity: 0.9;
  margin-bottom: 16px;
}

.about-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--hy-red);
  color: var(--hy-white);
  padding: 8px 20px;
  border-radius: 1000px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  margin-top: 16px;
  transition: background 0.3s ease, transform 0.3s ease;
}

.about-btn:hover {
  background: var(--hy-red-dark);
  transform: translateX(4px);
}

.about-btn-arrow {
  width: 16px;
  height: 16px;
  background-color: var(--hy-white);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
}

/* Stats */
.about-stats {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.about-stat {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.about-stat-icon {
  width: 32px;
  height: 32px;
  background-color: var(--hy-white);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  opacity: 0.6;
  flex-shrink: 0;
}

.about-stat-content {
  display: flex;
  flex-direction: column;
}

.about-stat-label {
  font-size: 13px;
  opacity: 0.6;
  margin-bottom: 4px;
}

.about-stat-value {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.about-stat-number {
  font-size: 48px;
  font-weight: 400;
  line-height: 1;
}

.about-stat-sup {
  font-size: 20px;
  font-family: 'DIN Pro', sans-serif;
  vertical-align: super;
  margin-left: -2px;
}

.about-stat-unit {
  font-size: 18px;
  opacity: 0.8;
}

.about-stat-desc {
  font-size: 13px;
  opacity: 0.6;
  margin-top: 8px;
}

/* ---------- Strength / Innovation ---------- */
.strength {
  padding: 80px 0;
  background: url('../assets/images/str/strength-section-bgimg.jpg') center center / cover no-repeat;
  position: relative;
}

.strength-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  gap: 60px;
  align-items: flex-start;
}

.strength-left {
  flex: 0 0 50%;
}

.strength-title {
  font-size: 30px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--zinc-900);
  margin-bottom: 20px;
}

.strength-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--zinc-600);
  margin-bottom: 24px;
  max-width: 420px;
}

.strength-divider {
  width: 100%;
  height: 0.5px;
  background: var(--zinc-200);
  margin: 24px 0;
}

/* Strength Stats */
.strength-stats {
  display: flex;
  gap: 48px;
  margin-bottom: 0;
}

.strength-stat {
  display: flex;
  flex-direction: column;
}

.strength-stat-value {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.strength-stat-number {
  font-size: 56px;
  font-weight: 400;
  line-height: 1;
  background: linear-gradient(180deg, #E50004 0%, #BA0C2F 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.strength-stat-sup {
  font-size: 20px;
  background: linear-gradient(180deg, #E50004 0%, #BA0C2F 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  vertical-align: super;
  margin-left: -2px;
}

.strength-stat-unit {
  font-size: 18px;
  color: var(--zinc-600);
  margin-left: 4px;
}

.strength-stat-label {
  font-size: 14px;
  color: var(--zinc-500);
  margin-top: 8px;
}

/* Certifications */
.strength-certs {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

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

.strength-cert img {
  height: 32px;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: filter 0.3s ease, opacity 0.3s ease;
}

.strength-cert:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

.strength-cert span {
  font-size: 12px;
  color: var(--zinc-500);
  text-align: center;
}

/* Right Side - Certificates Scroll */
.strength-right {
  position: absolute;
  right: calc((100% - var(--max-width)) / 2 + 40px);
  top: 0;
  bottom: 0;
  display: flex;
  gap: 16px;
  overflow: hidden;
}

.strength-right::before,
.strength-right::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 60px;
  z-index: 2;
  pointer-events: none;
}

.strength-right::before {
  top: 0;
  background: linear-gradient(to bottom, rgba(255,255,255) 0%, transparent 100%);
}

.strength-right::after {
  bottom: 0;
  background: linear-gradient(to top, rgba(255,255,255) 0%, transparent 100%);
}

.cert-scroll-col {
  overflow: visible;
  position: relative;
}

.cert-scroll-track {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.cert-scroll-up .cert-scroll-track {
  animation: scrollUp 20s linear infinite;
}

.cert-scroll-down .cert-scroll-track {
  animation: scrollDown 20s linear infinite;
  margin-top: 60px;
}

@keyframes scrollUp {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-50%);
  }
}

@keyframes scrollDown {
  0% {
    transform: translateY(-50%);
  }
  100% {
    transform: translateY(0);
  }
}

.cert-item {
  background: url('../assets/images/str/cr-bgimg.jpg') center center / cover no-repeat;
  border-radius: 8px;
  width: 160px;
  height: 200px;
  flex-shrink: 0;
  border: 0.5px solid rgba(255, 255, 255);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  box-sizing: border-box;
  overflow: hidden;
}

.cert-item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

/* ---------- Partners ---------- */
.partners {
  padding: 80px 0;
  background: #fff;
  position: relative;
  overflow: hidden;
}

.partners-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
}

.partners-title {
  font-size: 30px;
  font-weight: 600;
  color: var(--hy-red);
  margin-bottom: 40px;
}

/* Logo Scroll Rows */
.partners-scroll-row {
  overflow: hidden;
  margin-bottom: 16px;
  position: relative;
}

.partners-scroll-row::before,
.partners-scroll-row::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100px;
  z-index: 2;
  pointer-events: none;
}

.partners-scroll-row::before {
  left: 0;
  background: linear-gradient(to right, #fff 0%, transparent 100%);
}

.partners-scroll-row::after {
  right: 0;
  background: linear-gradient(to left, #fff 0%, transparent 100%);
}

.partners-scroll-track {
  display: flex;
  gap: 16px;
  width: max-content;
}

.scroll-left .partners-scroll-track {
  animation: scrollLeft 30s linear infinite;
}

.scroll-right .partners-scroll-track {
  animation: scrollRight 30s linear infinite;
}

@keyframes scrollLeft {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@keyframes scrollRight {
  0% {
    transform: translateX(-50%);
  }
  100% {
    transform: translateX(0);
  }
}

.partner-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 20px 8px 8px;
  background: var(--zinc-50);
  border: none;
  border-radius: 40px;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.partner-item:hover {
  background: var(--zinc-100);
}

.partner-logo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.partner-logo img {
  max-width: 40px;
  max-height: 40px;
  object-fit: contain;
}

.partner-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.partner-category {
  font-size: 12px;
  color: var(--zinc-400);
}

.partner-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--zinc-800);
}

/* Bottom Content */
.partners-bottom {
  margin-top:  64px;
  display: flex;
  justify-content: flex-end;
}

.partners-text {
  max-width: 480px;
}

.partners-subtitle {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--zinc-800);
  margin-bottom: 16px;
}

.partners-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--zinc-500);
  margin-bottom: 24px;
}

.partners-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: var(--hy-red);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  border: none;
  border-radius: 40px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.partners-btn:hover {
  background: var(--hy-red-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(186, 12, 47, 0.3);
}

.partners-btn-arrow {
  width: 16px;
  height: 16px;
  background: #fff;
  mask-image: url('../assets/icons/gr/arrow-right 3.svg');
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-image: url('../assets/icons/gr/arrow-right 3.svg');
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
}

/* Background Text */
.partners-bg-text {
  position: absolute;
  bottom: -20px;
  left: -80px;
  font-size: 180px;
  font-weight: 700;
  font-family: 'DIN Pro', sans-serif;
  background: linear-gradient(90deg, #BA0C2F 0%, rgba(186, 12, 47, 0.00) 119.68%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.05;
  letter-spacing: -0.02em;
  pointer-events: none;
  z-index: 0;
  line-height: 1;
}

/* ---------- Contact CTA ---------- */
.contact {
  background: #fff;
}

.contact-container {
  display: flex;
}

.contact-left {
  width: 50%;
  padding: 60px 120px 60px calc((100vw - var(--max-width)) / 2 + 40px);
  background: var(--hy-red);
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-sizing: border-box;
}

.contact-right {
  width: 50%;
}

.contact-title {
  font-size: 30px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.contact-subtitle {
  font-size: 18px;
  font-weight: 400;
  color: #fff;
  margin-bottom: 8px;
}

.contact-desc {
  margin-bottom: 48px;
}

.contact-desc p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: #fff;
  color: var(--hy-red);
  font-size: 14px;
  font-weight: 500;
  border: none;
  border-radius: 40px;
  text-decoration: none;
  transition: all 0.3s ease;
  width: fit-content;
}

.contact-btn:hover {
  background: var(--zinc-100);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.contact-btn-arrow {
  width: 14px;
  height: 14px;
  background: var(--hy-red);
  mask-image: url('../assets/icons/gr/arrow-right 3.svg');
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-image: url('../assets/icons/gr/arrow-right 3.svg');
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
}

.contact-right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- Footer ---------- */
.footer {
  background: #fff;
}

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

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  gap: 60px;
}

.footer-logo-col {
  flex-shrink: 0;
  padding-right: 60px;
}

.footer-logo {
  height: 100px;
  width: auto;
}

.footer-nav {
  flex: 1;
  display: flex;
  gap: 60px;
}

.footer-col {
  flex: 1;
}

.footer-col-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--hy-red);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 12px;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100px;
  height: 0.5px;
  background: var(--zinc-200);
}

.footer-col-title::before {
  content: '';
  position: absolute;
  left: 100px;
  bottom: 0;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--zinc-200);
  transform: translateY(50%);
}

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

.footer-links li {
  margin-bottom: 2px;
}

.footer-links li.level-1 > a {
  font-size: 14px;
  font-weight: 500;
  color: var(--zinc-700);
  transition: color 0.3s ease;
}

.footer-links li.level-1 > a:hover {
  color: var(--hy-red);
}

.footer-links a {
  font-size: 14px;
  color: var(--zinc-700);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--hy-red);
}

/* Sub links (level 2) */
.footer-sublinks {
  list-style: none;
}

.footer-sublinks li {
  margin-bottom: 0px;
}

.footer-sublinks a {
  font-size: 13px;
  color: var(--zinc-400);
  line-height: 1.8;
  display: block;
  transition: color 0.3s ease;
}

.footer-sublinks a:hover {
  color: var(--hy-red);
}

/* Footer Contact Column */
.footer-contact {
  flex: 1.2;
}

.footer-hotline-label {
  font-size: 14px;
  color: var(--zinc-400);
}

.footer-hotline {
  font-size: 30px;
  font-weight: 700;
  font-family: 'DIN Pro', sans-serif;
  color: var(--hy-red);
  letter-spacing: 0.02em;
}

.footer-email {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: var(--zinc-600);
  text-decoration: none;
  margin-bottom: 20px;
  transition: color 0.3s ease;
}

.footer-email:hover {
  color: var(--hy-red);
}

.footer-email img {
  width: 16px;
  height: 16px;
}

.footer-social {
  margin-top: 20px;
  display: flex;
  gap: 16px;
}

.social-icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease;
}

.social-icon:hover {
  opacity: 0.7;
}

.social-icon > img {
  display: none;
}

.social-icon::after {
  content: '';
  width: 20px;
  height: 20px;
  background-color: var(--hy-red);
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
}

.social-icon[aria-label="微信"]::after {
  mask-image: url('../assets/icons/re/wechat-fill 2.svg');
  -webkit-mask-image: url('../assets/icons/re/wechat-fill 2.svg');
}

.social-icon[aria-label="抖音"]::after {
  mask-image: url('../assets/icons/re/tiktok 2.svg');
  -webkit-mask-image: url('../assets/icons/re/tiktok 2.svg');
}

.social-icon[aria-label="LinkedIn"]::after {
  mask-image: url('../assets/icons/re/linkedin-box-fill 2.svg');
  -webkit-mask-image: url('../assets/icons/re/linkedin-box-fill 2.svg');
}

/* WeChat QR Code Popup */
.social-wechat {
  position: relative;
}

.wechat-qrcode {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 12px;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--zinc-200);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 100;
  white-space: nowrap;
}

.social-wechat:hover .wechat-qrcode {
  opacity: 1;
  visibility: visible;
}

.wechat-qrcode img {
  width: 120px;
  height: auto;
  display: block;
  margin: 0 auto;
}

.wechat-qrcode p {
  font-size: 14px;
  color: var(--zinc-600);
  text-align: center;
  margin-top: 8px;
  white-space: nowrap;
}

/* Footer Bottom */
.footer-bottom {
  background-color: var(--zinc-100);
  padding: 16px 0 16px 0;
}

.footer-bottom-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copyright {
  font-size: 12px;
  color: var(--zinc-400);
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-legal a {
  font-size: 12px;
  color: var(--zinc-400);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-legal a:hover {
  color: var(--zinc-600);
}

.legal-divider {
  font-size: 12px;
  color: var(--zinc-300);
}

/* ---------- Fixed Side Buttons ---------- */
.fixed-side-btns {
  position: fixed;
  right: 0;
  bottom: 120px;
  display: flex;
  flex-direction: column;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.fixed-side-btns.visible {
  opacity: 1;
  visibility: visible;
}

.fixed-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.fixed-btn:hover {
  opacity: 0.85;
}

.fixed-btn img {
  width: 20px;
  height: 20px;
}

.fixed-btn-contact {
  background: var(--hy-red);
}

.fixed-btn-contact img {
  filter: brightness(0) invert(1);
}

.fixed-btn-top {
  background: var(--zinc-100);
}

/* ---------- News ---------- */
.news {
  padding: 60px 0;
  background: url('../assets/images/news/news-section-bgimg.jpg') center center / cover no-repeat;
}

.news-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

.section-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--zinc-900);
  margin-bottom: 40px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--hy-red);
  display: inline-block;
}

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

.news-card {
  background: var(--hy-white);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.news-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.news-card-image {
  width: 100%;
  height: 160px;
  overflow: hidden;
  border-bottom: 2px solid var(--hy-red);
}

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.news-card:hover .news-card-image img {
  transform: scale(1.05);
}

.news-card-content {
  padding: 24px;
}

.news-card-date {
  display: block;
  font-family: 'DIN Pro', sans-serif;
  font-size: 15px;
  color: var(--hy-red);
  margin-bottom: 6px;
}

.news-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--zinc-900);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-desc {
  font-size: 14px;
  color: var(--zinc-500);
  line-height: 1.5;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--hy-red);
  transition: gap 0.2s ease;
}

.news-card:hover .news-card-more {
  gap: 10px;
}

.news-card-arrow {
  width: 14px;
  height: 14px;
  background-color: var(--hy-red);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
}

.news-action {
  text-align: left;
}

.news-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--hy-red);
  color: var(--hy-white);
  padding: 8px 20px;
  border-radius: 1000px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  transition: background 0.3s ease, transform 0.3s ease;
}

.news-btn:hover {
  background: var(--hy-red-dark);
  transform: translateX(4px);
}

.news-btn-arrow {
  width: 16px;
  height: 16px;
  background-color: var(--hy-white);
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
}


/* ---------- Responsive ---------- */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --max-width: 100%;
  }
  
  .header-container,
  .about-container,
  .strength-container,
  .partners-container,
  .news-container,
  .footer-container,
  .footer-bottom-container {
    padding: 0 24px;
  }
  
  .dropdown-menu {
    display: none !important;
  }
  
  .footer-nav {
    gap: 40px;
  }
}

/* Mobile */
@media (max-width: 768px) {
  /* Header */
  .header {
    height: 56px;
  }
  
  .header-container {
    padding: 0 16px;
  }
  
  .header-logo {
    height: 28px;
  }
  
  .nav {
    display: none;
  }
  
  .header-actions {
    gap: 12px;
  }
  
  .header-lang,
  .header-search {
    display: none;
  }
  
  /* Hero */
  .hero {
    height: 480px;
  }
  
  .hero-content {
    padding: 0 20px;
  }
  
  .hero-title {
    font-size: 24px;
  }
  
  .hero-desc {
    font-size: 15px;
  }
  
  .hero-controls {
    bottom: 24px;
    padding: 0 20px;
  }
  
  .hero-progress {
    gap: 8px;
  }
  
  .hero-progress-bar {
    width: 40px;
  }
  
  .hero-arrows {
    display: none;
  }
  
  /* About */
  .about {
    padding: 48px 0;
  }
  
  .about-container {
    padding: 0 20px;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .about-left {
    text-align: center;
  }
  
  .about-title {
    font-size: 24px;
  }
  
  .about-desc {
    font-size: 15px;
  }
  
  .about-btn {
    margin: 0 auto;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  
  .stat-number {
    font-size: 36px;
  }
  
  .stat-unit {
    font-size: 16px;
  }
  
  .stat-label {
    font-size: 14px;
  }
  
  /* Strength */
  .strength {
    padding: 48px 0;
  }
  
  .strength-container {
    padding: 0 20px;
  }
  
  .strength-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 32px;
  }
  
  .strength-title {
    font-size: 20px;
  }
  
  .strength-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .strength-item {
    padding: 24px;
  }
  
  .strength-icon {
    width: 40px;
    height: 40px;
  }
  
  .strength-item-title {
    font-size: 18px;
  }
  
  .strength-item-desc {
    font-size: 14px;
  }
  
  .cert-scroll-wrapper {
    flex-direction: column;
    gap: 16px;
  }
  
  .cert-scroll-col {
    width: 100%;
  }
  
  /* Partners */
  .partners {
    padding: 48px 0;
  }
  
  .partners-container {
    padding: 0 20px;
  }
  
  .partners-title {
    font-size: 20px;
    margin-bottom: 24px;
  }
  
  .partners-scroll-row {
    margin-bottom: 12px;
  }
  
  .partner-item {
    padding: 12px 16px;
    gap: 10px;
  }
  
  .partner-logo {
    width: 32px;
    height: 32px;
  }
  
  .partner-logo img {
    width: 20px;
    height: 20px;
  }
  
  .partner-category {
    font-size: 12px;
  }
  
  .partner-name {
    font-size: 14px;
  }
  
  .partners-bottom {
    flex-direction: column;
    gap: 24px;
    padding-top: 32px;
  }
  
  .partners-subtitle {
    font-size: 18px;
  }
  
  .partners-desc {
    font-size: 14px;
  }
  
  .partners-bg-text {
    font-size: 80px;
    bottom: -10px;
    left: -20px;
  }
  
  /* Contact CTA */
  .contact-container {
    flex-direction: column;
  }
  
  .contact-left {
    width: 100%;
    padding: 40px 20px;
  }
  
  .contact-right {
    width: 100%;
    height: 200px;
  }
  
  .contact-title {
    font-size: 24px;
  }
  
  .contact-subtitle {
    font-size: 16px;
  }
  
  .contact-desc p {
    font-size: 14px;
  }
  
  /* Footer */
  .footer-main {
    padding: 40px 0;
  }
  
  .footer-container {
    flex-direction: column;
    gap: 32px;
    padding: 0 20px;
  }
  
  .footer-logo-col {
    padding-right: 0;
    text-align: center;
  }
  
  .footer-logo {
    height: 60px;
    margin: 0 auto;
  }
  
  .footer-nav {
    flex-wrap: wrap;
    gap: 24px;
  }
  
  .footer-col {
    flex: none;
    width: calc(50% - 12px);
  }
  
  .footer-col-title {
    font-size: 15px;
    margin-bottom: 12px;
    padding-bottom: 8px;
  }
  
  .footer-col-title::after {
    width: 60px;
  }
  
  .footer-col-title::before {
    left: 60px;
  }
  
  .footer-links li.level-1 > a,
  .footer-links a {
    font-size: 13px;
  }
  
  .footer-contact {
    width: 100%;
  }
  
  .footer-hotline {
    font-size: 24px;
  }
  
  .footer-social {
    margin-top: 16px;
  }
  
  .footer-bottom {
    padding: 12px 0;
  }
  
  .footer-bottom-container {
    flex-direction: column;
    gap: 8px;
    padding: 0 20px;
    text-align: center;
  }
  
  .footer-legal {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  /* News */
  .news {
    padding: 40px 0;
  }
  
  .news-container {
    padding: 0 20px;
  }
  
  .section-title {
    font-size: 18px;
    margin-bottom: 24px;
  }
  
  .news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .news-card-content {
    padding: 16px;
  }
  
  .news-card-title {
    font-size: 16px;
  }
  
  .news-card-desc {
    font-size: 13px;
    -webkit-line-clamp: 2;
  }
  
  /* Fixed Side Buttons */
  .fixed-side-btns {
    bottom: 80px;
  }
  
  .fixed-btn {
    width: 36px;
    height: 36px;
  }
  
  .fixed-btn img {
    width: 20px;
    height: 20px;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero {
    height: 400px;
  }
  
  .hero-title {
    font-size: 20px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .stat-item {
    text-align: center;
  }
  
  .footer-col {
    width: 100%;
  }
  
  .footer-nav {
    flex-direction: column;
    gap: 20px;
  }
}