/* 每日大赛 - 主样式文件 */
/* thy659.cn */

:root {
  --primary: #e63946;
  --primary-dark: #c1121f;
  --secondary: #1d3557;
  --accent: #457b9d;
  --light: #f1faee;
  --dark: #1a1a2e;
  --gray: #6c757d;
  --bg-light: #f8f9fa;
  --border: #dee2e6;
  --text: #333333;
  --text-light: #666666;
  --shadow: 0 4px 20px rgba(0,0,0,0.1);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.15);
  --radius: 12px;
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.7;
  font-size: 15px;
}

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

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

ul, ol {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.section-title p {
  color: var(--text-light);
  font-size: 1rem;
  margin-top: 20px;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(230,57,70,0.4);
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
}

.btn-secondary:hover {
  background: #fff;
  color: var(--primary);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
  box-shadow: 0 2px 15px rgba(0,0,0,0.08);
}

.header-top {
  background: var(--secondary);
  padding: 6px 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.8);
}

.header-top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-top a {
  color: rgba(255,255,255,0.8);
}

.header-top a:hover {
  color: #fff;
}

.header-main {
  padding: 15px 0;
}

.header-main .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 900;
}

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

.logo-name {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.2;
}

.logo-slogan {
  font-size: 0.7rem;
  color: var(--gray);
}

/* Search Bar */
.header-search {
  flex: 1;
  max-width: 400px;
}

.search-form {
  display: flex;
  border: 2px solid var(--border);
  border-radius: 25px;
  overflow: hidden;
  transition: var(--transition);
}

.search-form:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(230,57,70,0.1);
}

.search-input {
  flex: 1;
  padding: 8px 16px;
  border: none;
  outline: none;
  font-size: 0.9rem;
  background: transparent;
  font-family: inherit;
}

.search-btn {
  padding: 8px 18px;
  background: var(--primary);
  border: none;
  color: #fff;
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition);
}

.search-btn:hover {
  background: var(--primary-dark);
}

/* Navigation */
.main-nav {
  background: var(--secondary);
}

.main-nav .container {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 14px 18px;
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
  background: rgba(255,255,255,0.1);
}

.nav-item.has-dropdown:hover .dropdown {
  display: block;
}

.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  min-width: 180px;
  box-shadow: var(--shadow);
  border-radius: 0 0 8px 8px;
  z-index: 100;
  border-top: 3px solid var(--primary);
}

.dropdown a {
  display: block;
  padding: 10px 18px;
  color: var(--text);
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border);
}

.dropdown a:last-child {
  border-bottom: none;
}

.dropdown a:hover {
  color: var(--primary);
  background: var(--bg-light);
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 10px;
}

/* Breadcrumb */
.breadcrumb {
  background: var(--bg-light);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.breadcrumb-list li::after {
  content: '›';
  color: var(--gray);
  margin-left: 8px;
}

.breadcrumb-list li:last-child::after {
  display: none;
}

.breadcrumb-list a {
  color: var(--accent);
}

.breadcrumb-list a:hover {
  color: var(--primary);
}

.breadcrumb-list li:last-child {
  color: var(--gray);
}

/* ===== BANNER / HERO ===== */
.hero-banner {
  position: relative;
  min-height: 520px;
  background: linear-gradient(135deg, var(--secondary) 0%, #16213e 50%, #0f3460 100%);
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/banner.jpg') center/cover no-repeat;
  opacity: 0.25;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 650px;
}

.hero-badge {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.hero-content h1 {
  font-size: 2.6rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 18px;
}

.hero-content h1 span {
  color: var(--primary);
}

.hero-content p {
  color: rgba(255,255,255,0.85);
  font-size: 1.05rem;
  margin-bottom: 30px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.2);
}

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

.hero-stat .number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.hero-stat .label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
}

/* ===== VIDEO CARDS ===== */
.video-section {
  background: var(--bg-light);
}

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

.video-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}

.video-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.video-card:hover .video-thumb img {
  transform: scale(1.05);
}

.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  transition: var(--transition);
}

.video-card:hover .video-play-btn {
  opacity: 1;
}

.play-icon {
  width: 60px;
  height: 60px;
  background: rgba(230,57,70,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
  transform: scale(0.8);
  transition: transform 0.3s ease;
}

.video-card:hover .play-icon {
  transform: scale(1);
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0,0,0,0.75);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.78rem;
}

.video-category {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--primary);
  color: #fff;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.video-info {
  padding: 16px;
}

.video-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-light);
}

.video-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.video-stats {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--text-light);
}

.video-stats span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ===== PRODUCTS ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.product-img {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.product-body {
  padding: 18px;
}

.product-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 8px;
}

.product-desc {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 12px;
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.feature-tag {
  background: var(--bg-light);
  color: var(--accent);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  border: 1px solid var(--border);
}

/* ===== CAPABILITIES ===== */
.capabilities-section {
  background: linear-gradient(135deg, var(--secondary) 0%, #16213e 100%);
  color: #fff;
}

.capabilities-section .section-title h2 {
  color: #fff;
}

.capabilities-section .section-title p {
  color: rgba(255,255,255,0.7);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.capability-item {
  text-align: center;
  padding: 30px 20px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  transition: var(--transition);
}

.capability-item:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-5px);
}

.capability-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.capability-item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #fff;
}

.capability-item p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
}

/* ===== SOLUTIONS ===== */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.solution-card {
  display: flex;
  gap: 20px;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}

.solution-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.solution-img {
  width: 180px;
  flex-shrink: 0;
  overflow: hidden;
}

.solution-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.solution-body {
  padding: 20px 20px 20px 0;
  flex: 1;
}

.solution-industry {
  display: inline-block;
  background: var(--light);
  color: var(--accent);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 10px;
  border: 1px solid var(--accent);
}

.solution-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 8px;
}

.solution-desc {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 12px;
  line-height: 1.6;
}

.solution-benefits {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.solution-benefits li {
  font-size: 0.82rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 6px;
}

.solution-benefits li::before {
  content: '✓';
  color: #28a745;
  font-weight: 700;
  flex-shrink: 0;
}

/* ===== PROCESS ===== */
.process-section {
  background: var(--bg-light);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(to right, var(--primary), var(--accent));
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 80px;
  height: 80px;
  background: #fff;
  border: 3px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  box-shadow: 0 4px 15px rgba(230,57,70,0.2);
}

.process-step h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ===== CASES ===== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.case-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.case-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.case-img {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.case-body {
  padding: 20px;
}

.case-industry {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.case-client {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 8px;
}

.case-result {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 12px;
}

.case-metrics {
  display: flex;
  gap: 20px;
}

.metric {
  text-align: center;
}

.metric .value {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.metric .label {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 4px;
}

/* ===== NEWS ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.news-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.news-img {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.news-body {
  padding: 16px;
}

.news-category {
  display: inline-block;
  background: var(--bg-light);
  color: var(--accent);
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 8px;
  border: 1px solid var(--border);
}

.news-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-title a:hover {
  color: var(--primary);
}

.news-date {
  font-size: 0.78rem;
  color: var(--text-light);
}

/* ===== REVIEWS ===== */
.reviews-section {
  background: var(--bg-light);
}

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

.review-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}

.review-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.review-card::before {
  content: '"';
  position: absolute;
  top: 10px;
  right: 20px;
  font-size: 4rem;
  color: var(--primary);
  opacity: 0.15;
  font-family: Georgia, serif;
  line-height: 1;
}

.review-stars {
  color: #ffc107;
  font-size: 1rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.review-content {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.author-info .name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text);
}

.author-info .company {
  font-size: 0.78rem;
  color: var(--text-light);
}

/* ===== FAQ ===== */
.faq-section {
  background: #fff;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--primary);
}

.faq-question {
  padding: 18px 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--secondary);
  background: #fff;
  transition: var(--transition);
  user-select: none;
}

.faq-question:hover {
  background: var(--bg-light);
}

.faq-question.active {
  color: var(--primary);
  background: var(--bg-light);
}

.faq-toggle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
  font-size: 1rem;
  color: var(--gray);
}

.faq-question.active .faq-toggle {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 20px 18px;
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.8;
  border-top: 1px solid var(--border);
}

.faq-answer.open {
  display: block;
}

/* ===== CONTACT ===== */
.contact-section {
  background: linear-gradient(135deg, var(--secondary) 0%, #16213e 100%);
  color: #fff;
}

.contact-section .section-title h2 {
  color: #fff;
}

.contact-section .section-title p {
  color: rgba(255,255,255,0.7);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  gap: 15px;
  align-items: flex-start;
}

.contact-icon {
  width: 46px;
  height: 46px;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item-body .label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 4px;
}

.contact-item-body .value {
  font-size: 0.95rem;
  color: #fff;
  font-weight: 500;
}

.contact-form {
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 30px;
  border: 1px solid rgba(255,255,255,0.1);
}

.contact-form h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #fff;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 6px;
  color: #fff;
  font-size: 0.9rem;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}

.form-control::placeholder {
  color: rgba(255,255,255,0.4);
}

.form-control:focus {
  border-color: var(--primary);
  background: rgba(255,255,255,0.15);
}

textarea.form-control {
  height: 100px;
  resize: vertical;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
}

.footer-main {
  padding: 60px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand .logo-name {
  color: #fff;
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.social-link {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary);
  color: #fff;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 5px;
}

.footer-bottom {
  background: rgba(0,0,0,0.3);
  padding: 16px 0;
  font-size: 0.82rem;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-bottom a {
  color: rgba(255,255,255,0.5);
}

.footer-bottom a:hover {
  color: var(--primary);
}

/* ===== PAGE HEADER ===== */
.page-header {
  background: linear-gradient(135deg, var(--secondary) 0%, #16213e 100%);
  padding: 50px 0;
  color: #fff;
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.page-header p {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
}

/* ===== INNER PAGE SECTIONS ===== */
.inner-section {
  padding: 60px 0;
}

.inner-section:nth-child(even) {
  background: var(--bg-light);
}

/* ===== TAGS ===== */
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
}

.tag-primary {
  background: rgba(230,57,70,0.1);
  color: var(--primary);
  border: 1px solid rgba(230,57,70,0.3);
}

.tag-secondary {
  background: rgba(29,53,87,0.1);
  color: var(--secondary);
  border: 1px solid rgba(29,53,87,0.2);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 768px) {
  .section {
    padding: 50px 0;
  }

  .section-title h2 {
    font-size: 1.6rem;
  }

  .hero-content h1 {
    font-size: 1.8rem;
  }

  .hero-stats {
    gap: 20px;
  }

  .hero-stat .number {
    font-size: 1.5rem;
  }

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

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

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

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

  .solution-card {
    flex-direction: column;
  }

  .solution-img {
    width: 100%;
    height: 180px;
  }

  .solution-body {
    padding: 16px;
  }

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

  .process-steps::before {
    display: none;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .header-main .container {
    flex-wrap: wrap;
  }

  .header-search {
    order: 3;
    max-width: 100%;
    width: 100%;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    width: 100%;
    background: var(--secondary);
  }

  .nav-list.open {
    display: flex;
  }

  .nav-mobile-toggle {
    display: block;
  }

  .main-nav .container {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .dropdown {
    position: static;
    box-shadow: none;
    border-radius: 0;
    border-top: none;
    background: rgba(0,0,0,0.2);
  }

  .dropdown a {
    color: rgba(255,255,255,0.8);
    background: transparent;
    border-bottom-color: rgba(255,255,255,0.1);
  }

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

@media (max-width: 480px) {
  .video-grid {
    grid-template-columns: 1fr;
  }

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

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

  .process-steps {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 15px;
  }
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.hidden { display: none; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.6s ease forwards;
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  box-shadow: 0 4px 15px rgba(230,57,70,0.4);
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  z-index: 999;
  border: none;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-3px);
  background: var(--primary-dark);
}

/* ===== INNER PAGES ===== */
.inner-content {
  padding: 50px 0;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 100px;
}

.sidebar-widget {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
  border: 1px solid var(--border);
}

.sidebar-widget h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary);
}

.sidebar-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-links a {
  font-size: 0.88rem;
  color: var(--text-light);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.sidebar-links a:last-child {
  border-bottom: none;
}

.sidebar-links a:hover {
  color: var(--primary);
  padding-left: 5px;
}

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

  .sidebar {
    position: static;
  }
}