/**
 * ColorCoat Multi-Page Stylesheet
 * Supports: 
 * 1. news.html (Новости)
 * 2. marine-offshore.html (Морская и офшорная отрасль)
 * Style Philosophy: Neo-Industrial Premium
 * Color Palette: Deep Blue (#001A3A), Classic Navy (#002B63), Electric Blue (#0B4EDB), Light Gray (#F5F7FA)
 */

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

:root {
  /* Color Tokens */
  --color-primary-dark: #001A3A;   /* 深蓝 - 背景与主标题 */
  --color-primary-navy: #002B63;   /* 经典海军蓝 - 次要深色 */
  --color-accent-blue: #0B4EDB;    /* 极速亮蓝 - 按钮、激活态、链接 */
  --color-accent-hover: #083cb3;   /* 亮蓝 Hover */
  --color-bg-light: #F5F7FA;       /* 浅灰底色 */
  --color-text-dark: #1E293B;      /* 深灰文本 */
  --color-text-muted: #64748B;     /* 柔和灰色文本 */
  --color-border: #E2E8F0;         /* 浅灰分割线 */
  --color-white: #FFFFFF;
  
  /* Fonts */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.25s cubic-bezier(0.23, 1, 0.32, 1); /* Snappy ease-out */
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg-light);
  color: var(--color-text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

/* Container */
.container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 80px);
}

/* Icons */
.icon {
  width: 16px;
  height: 16px;
  vertical-align: middle;
}

/* Common Section Layout */
section {
  padding: 64px 0;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 40px;
  letter-spacing: -0.5px;
}

.text-center {
  text-align: center;
}

/* ==========================================================================
   4. Hero Section (首屏 - 通用与船舶海工特化)
   ========================================================================== */
.hero-section {
  position: relative;
  height: 290px;
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-marine {
  height: auto;
  min-height: 380px;
  padding: 48px 0;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* Left ~50% is solid dark navy for text legibility;
     then fades sharply to fully transparent so the photo
     is completely unobscured on the right side */
  background: linear-gradient(
    90deg,
    rgba(0, 17, 38, 0.92) 0%,
    rgba(0, 17, 38, 0.88) 28%,
    rgba(0, 17, 38, 0.55) 48%,
    rgba(0, 17, 38, 0.10) 62%,
    rgba(0, 17, 38, 0.00) 72%
  );
}

.hero-container {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  gap: 40px;
}

.hero-content {
  max-width: 650px;
}

.hero-marine .hero-container {
  min-height: 284px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.hero-marine .hero-content {
  max-width: 560px;
}

/* Breadcrumbs (for marine page) */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 24px;
}

.breadcrumbs a:hover {
  color: var(--color-white);
}

.breadcrumbs .separator {
  color: rgba(255, 255, 255, 0.3);
}

.breadcrumbs .current {
  color: var(--color-white);
  font-weight: 500;
}

.hero-title {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -1px;
  line-height: 1.15;
}

.hero-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
  font-weight: 400;
}

/* Hero bottom 4 advantages: left-aligned industrial glass panel */
.hero-features {
  width: clamp(480px, 39vw, 560px);
  min-height: 120px;
  max-height: 140px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: stretch;
  gap: 0;
  margin-top: auto;
  padding: 18px 0;
  background: rgba(6, 18, 40, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-feature-item {
  position: relative;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 9px;
  padding: 0 15px;
}

.hero-feature-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  width: 1px;
  height: 60px;
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-50%);
}

.feature-icon-box {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-shrink: 0;
}

.feature-icon {
  width: 34px;
  height: 34px;
  color: #ffffff;
  opacity: 0.9;
}

.feature-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.feature-title,
.feature-text {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  color: #fff;
}

.feature-desc {
  font-size: 12px;
  font-weight: 400;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.75);
}

/* ==========================================================================
   5. Filter Section (分类 Tab + 搜索 - 用于新闻页)
   ========================================================================== */
.filter-section {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}

.filter-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.tabs-wrapper {
  overflow-x: auto;
  scrollbar-width: none;
}

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

.tabs {
  display: flex;
  gap: 28px;
  white-space: nowrap;
}

.tab-btn {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 12px 0;
  position: relative;
  transition: var(--transition-fast);
}

.tab-btn:hover {
  color: var(--color-primary-navy);
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -16px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-accent-blue);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
  z-index: 2;
}

.tab-btn.active {
  color: var(--color-accent-blue);
  font-weight: 600;
}

.tab-btn.active::after {
  transform: scaleX(1);
}

/* Search Box */
.search-box {
  position: relative;
  width: 300px;
  flex-shrink: 0;
}

.search-box input {
  width: 100%;
  height: 44px;
  padding: 10px 44px 10px 16px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  color: var(--color-text-dark);
  transition: var(--transition-normal);
  background-color: var(--color-bg-light);
}

.search-box input:focus {
  border-color: var(--color-accent-blue);
  background-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(11, 78, 219, 0.15);
  outline: none;
}

.search-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.search-btn:hover {
  color: var(--color-accent-blue);
}

/* ==========================================================================
   6. News Page Content Layout (新闻页两栏布局)
   ========================================================================== */
.main-content {
  padding: 48px 0;
}

.main-layout {
  display: flex;
  gap: 36px;
}

.news-area {
  width: 74%;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.sidebar {
  width: 26%;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

/* Featured News Card (置顶新闻大卡片) */
.featured-card {
  display: flex;
  background-color: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: var(--transition-normal);
}

.featured-img-box {
  width: 45%;
  position: relative;
  overflow: hidden;
}

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

.featured-content {
  width: 55%;
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.featured-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.featured-card:hover .featured-img-box img {
  transform: scale(1.03);
}

/* News Meta */
.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 600;
}

.news-category {
  color: var(--color-accent-blue);
  letter-spacing: 0.5px;
}

.news-date {
  color: var(--color-text-muted);
}

/* Titles */
.featured-content .news-title {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--color-primary-dark);
}

.featured-content .news-title a:hover {
  color: var(--color-accent-blue);
}

/* Excerpt */
.news-excerpt {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

/* Read More Link */
.read-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent-blue);
}

.arrow-icon {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-normal);
}

.read-more:hover {
  color: var(--color-accent-hover);
}

.read-more:hover .arrow-icon {
  transform: translateX(4px);
}

/* News Grid (3列新闻网格) */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  background-color: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
}

.card-img-box {
  height: 145px;
  overflow: hidden;
  position: relative;
}

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

.card-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.news-card .news-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--color-primary-dark);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 67px;
}

.news-card .news-title a:hover {
  color: var(--color-accent-blue);
}

.news-card .news-excerpt {
  font-size: 13px;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 62px;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

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

/* Pagination (分页) */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}

.page-btn, .page-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-dark);
  transition: var(--transition-normal);
}

.page-btn:hover, .page-num:hover {
  border-color: var(--color-accent-blue);
  color: var(--color-accent-blue);
}

.page-num.active {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
}

.page-dots {
  color: var(--color-text-muted);
  width: 24px;
  text-align: center;
  font-weight: 600;
}

/* Sidebar Widgets (侧边栏模块) */
.widget {
  background-color: var(--color-white);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.widget-title {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--color-primary-dark);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

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

/* Widget 1: Categories */
.category-list {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.category-list li {
  border-bottom: 1px solid var(--color-bg-light);
}

.category-list li:last-child {
  border-bottom: none;
}

.category-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-dark);
}

.category-link:hover {
  color: var(--color-accent-blue);
  padding-left: 4px;
}

.category-link.active {
  color: var(--color-accent-blue);
  font-weight: 600;
}

.cat-count {
  background-color: var(--color-bg-light);
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
}

.category-link:hover .cat-count, .category-link.active .cat-count {
  background-color: rgba(11, 78, 219, 0.1);
  color: var(--color-accent-blue);
}

/* Widget 2: Popular Posts */
.popular-posts {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.popular-img-box {
  width: 64px;
  height: 64px;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
}

.popular-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.popular-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.popular-item-title {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-primary-navy);
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.popular-item-date {
  font-size: 11px;
  color: var(--color-text-muted);
}

.popular-item:hover .popular-item-title {
  color: var(--color-accent-blue);
}

.popular-item:hover .popular-img-box img {
  transform: scale(1.05);
}

/* Widget 3: Deep Blue CTA Card */
.question-cta-widget {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  border: none;
  text-align: center;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-icon-box {
  width: 54px;
  height: 54px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.cta-icon {
  width: 24px;
  height: 24px;
  color: var(--color-white);
}

.cta-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.cta-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
  margin-bottom: 24px;
}

.cta-btn {
  width: 100%;
  padding: 12px 20px;
}

/* ==========================================================================
   7. Challenges Section (船舶海工 - 关键挑战)
   ========================================================================== */
.challenges-section {
  background-color: var(--color-bg-light);
}

.challenges-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.challenge-card {
  background-color: var(--color-white);
  border-radius: 8px;
  padding: 24px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.challenge-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent-blue);
}

.challenge-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background-color: rgba(11, 78, 219, 0.05);
  color: var(--color-accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.challenge-icon {
  width: 24px;
  height: 24px;
}

.challenge-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  line-height: 1.35;
}

.challenge-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   8. Recommended Coating Systems (船舶海工 - 推荐涂层系统)
   ========================================================================== */
.systems-section {
  background-color: var(--color-white);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
}

.section-header .section-title {
  margin-bottom: 0;
  max-width: 800px;
}

.header-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent-blue);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.header-link:hover {
  color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.product-card {
  background-color: var(--color-white);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent-blue);
}

.product-header {
  padding: 16px 20px;
  background-color: var(--color-bg-light);
  display: flex;
  align-items: center;
  gap: 12px;
}

.product-num {
  font-size: 16px;
  font-weight: 800;
  color: var(--color-accent-blue);
}

.product-category {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-img-box {
  height: 180px;
  overflow: hidden;        /* 防止图片超出容器 */
  background-color: var(--color-white);
}

.product-img-box a {
  display: block;
  width: 100%;
  height: 100%;
}

.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;       /* 填满区域，不留空白 */
  display: block;          /* 消除 inline 图片底部基线间隙 */
}

.product-info {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
  line-height: 1.35;
}

.product-desc {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   9. Typical Application Objects (船舶海工 - 典型应用对象)
   ========================================================================== */
.objects-section {
  background-color: var(--color-bg-light);
}

.objects-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.object-card {
  position: relative;
  height: 180px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

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

/* .object-overlay removed */

.object-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  color: var(--color-white);
  z-index: 2;
}

.object-title-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.object-icon {
  width: 20px;
  height: 20px;
  color: rgba(255, 255, 255, 0.7);
}

.object-name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
}

.object-card .arrow-icon {
  width: 16px;
  height: 16px;
  color: rgba(255, 255, 255, 0.7);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.object-card:hover .object-img {
  transform: scale(1.08);
}

.object-card:hover .arrow-icon {
  transform: translateX(4px);
  color: var(--color-white);
}

/* ==========================================================================
   10. Solution Advantages (船舶海工 - 解决方案优势)
   ========================================================================== */
.advantages-section {
  background-color: var(--color-white);
}

.advantages-bar {
  background-color: var(--color-bg-light);
  border-radius: 8px;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--color-border);
}

.advantage-item {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  justify-content: center;
  padding: 0 12px;
}

.advantage-icon {
  width: 20px;
  height: 20px;
  color: var(--color-accent-blue);
  flex-shrink: 0;
}

.advantage-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.3;
}

.divider-line {
  width: 1px;
  height: 32px;
  background-color: var(--color-border);
}

/* ==========================================================================
   11. News Subscription Banner (新闻页订阅横幅)
   ========================================================================== */
.subscribe-section {
  background-color: var(--color-primary-navy);
  color: var(--color-white);
  padding: 48px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.subscribe-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.subscribe-left {
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 600px;
}

.subscribe-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.subscribe-icon {
  width: 24px;
  height: 24px;
  color: var(--color-white);
}

.subscribe-text {
  display: flex;
  flex-direction: column;
}

.subscribe-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.subscribe-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.4;
}

.subscribe-right {
  flex-grow: 1;
  max-width: 480px;
}

.subscribe-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.subscribe-form .input-group {
  display: flex;
  width: 100%;
}

.subscribe-form input {
  flex-grow: 1;
  height: 48px;
  padding: 12px 16px;
  border-radius: 6px 0 0 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  font-size: 14px;
  font-family: inherit;
}

.subscribe-form input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.subscribe-form input:focus {
  outline: none;
  background-color: rgba(255, 255, 255, 0.15);
  border-color: var(--color-white);
}

.btn-subscribe {
  border-radius: 0 6px 6px 0;
  height: 48px;
  padding: 0 28px;
}

.subscribe-consent {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   12. CTA Banner (船舶海工 - 咨询横幅)
   ========================================================================== */
.cta-banner-section {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: 48px 0;
}

.cta-banner-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.cta-left {
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 750px;
}

.cta-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cta-icon {
  width: 24px;
  height: 24px;
  color: var(--color-white);
}

.cta-text {
  display: flex;
  flex-direction: column;
}

.cta-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.cta-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.4;
}

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

.btn-cta-action {
  height: 48px;
  padding: 0 32px;
  font-size: 15px;
}

.cta-note {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
}


/* ==========================================================================
   14. Responsive Design (响应式适配)
   ========================================================================== */
@media (max-width: 1200px) {
  /* News grid */
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Marine grids */
  .challenges-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .objects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .advantages-bar {
    flex-wrap: wrap;
    gap: 16px;
  }
  
  .advantage-item {
    flex: 0 0 calc(50% - 16px);
  }
  
  .divider-line {
    display: none;
  }

}

@media (max-width: 992px) {
  /* News layout */
  .main-layout {
    flex-direction: column;
  }
  
  .news-area {
    width: 100%;
  }
  
  .sidebar {
    width: 100%;
    margin-top: 24px;
  }
  
  /* Marine layouts */
  .hero-features {
    width: min(100%, 560px);
  }
  
  .cta-banner-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }
  
  .cta-right {
    width: 100%;
    align-items: flex-start;
  }
  
  .btn-cta-action {
    width: 100%;
  }

  /* Subscribes */
  .subscribe-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }
  
  .subscribe-right {
    width: 100%;
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  
  /* Hero Mobile */
  .hero-title {
    font-size: 32px;
  }
  
  .hero-desc {
    font-size: 14px;
  }
  
  .hero-features {
    width: 100%;
    min-height: auto;
    max-height: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 18px;
    padding: 18px 0;
  }

  .hero-feature-item:nth-child(2)::after {
    display: none;
  }
  
  /* Filter Section */
  .filter-container {
    flex-direction: column;
    align-items: stretch;
  }
  
  .search-box {
    width: 100%;
  }
  
  /* Cards */
  .featured-card {
    flex-direction: column;
  }
  
  .featured-img-box {
    width: 100%;
    height: 200px;
  }
  
  .featured-content {
    width: 100%;
    padding: 24px;
  }
  
  /* Grids */
  .news-grid {
    grid-template-columns: 1fr;
  }

  .challenges-grid {
    grid-template-columns: 1fr;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .objects-grid {
    grid-template-columns: 1fr;
  }
  
  .advantage-item {
    flex: 0 0 100%;
  }
  
}