/* ========================================
   2026中国（义乌）国际康养产业博览会 PC官网
   主样式文件
======================================== */

/* CSS Variables */
:root {
  --primary: #0d8a6a;
  --primary-dark: #0a6b52;
  --primary-light: #e8f5f1;
  --secondary: #1a5f4a;
  --accent: #2dd4a7;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --bg-white: #ffffff;
  --bg-light: #f8fafb;
  --bg-gray: #f3f4f6;
  --border: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-white);
}

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

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Section Padding */
.section-padding {
  padding: 80px 0;
}

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

/* Section Header */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 48px;
}

.section-header.center {
  justify-content: center;
  text-align: center;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title .zh {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
}

.section-title .en {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.view-more {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-secondary);
  font-size: 14px;
  transition: var(--transition);
}

.view-more:hover {
  color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 50px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* ========================================
   Header
======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

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

.logo-icon {
  width: 48px;
  height: 48px;
}

.logo-icon svg {
  width: 100%;
  height: 100%;
}

.logo-text h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.3;
}

.logo-text span {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.main-nav {
  display: flex;
  gap: 8px;
}

.nav-link {
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
}

.header-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.header-info .date {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

.header-info .location {
  font-size: 12px;
  color: var(--text-muted);
}

/* ========================================
   Hero Section
======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0d8a6a 0%, #0a6b52 50%, #1a5f4a 100%);
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(45, 212, 167, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  color: white;
}

.hero-badge {
  display: inline-flex;
  flex-direction: column;
  margin-bottom: 24px;
}

.hero-badge .year {
  font-size: 72px;
  font-weight: 700;
  line-height: 1;
  opacity: 0.3;
}

.hero-badge .label {
  font-size: 16px;
  font-weight: 500;
  opacity: 0.8;
  margin-top: -10px;
}

.hero-title {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #fff 0%, #2dd4a7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 24px;
  font-weight: 500;
  opacity: 0.9;
  margin-bottom: 8px;
}

.hero-venue {
  font-size: 18px;
  opacity: 0.7;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  height: 500px;
}

.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  color: white;
  animation: float 6s ease-in-out infinite;
}

.card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  font-size: 20px;
}

.floating-card span {
  font-size: 15px;
  font-weight: 500;
}

.card-1 { top: 10%; left: 10%; animation-delay: 0s; }
.card-2 { top: 30%; right: 5%; animation-delay: 1s; }
.card-3 { bottom: 30%; left: 5%; animation-delay: 2s; }
.card-4 { bottom: 10%; right: 15%; animation-delay: 3s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

/* ========================================
   Quick Links
======================================== */
.quick-links {
  padding: 40px 0;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.link-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.link-card:hover {
  background: var(--primary-light);
  transform: translateY(-4px);
}

.link-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border-radius: var(--radius);
  color: var(--primary);
}

.link-icon svg {
  width: 28px;
  height: 28px;
}

.link-info {
  display: flex;
  flex-direction: column;
}

.link-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.link-desc {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ========================================
   Features Section
======================================== */
.features-section {
  padding: 32px 0;
  background: var(--bg-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: white;
  border-radius: var(--radius);
  transition: var(--transition);
}

.feature-item:hover {
  box-shadow: var(--shadow);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.feature-icon.contact { background: #e0f2fe; color: #0284c7; }
.feature-icon.dining { background: #fef3c7; color: #d97706; }
.feature-icon.booth { background: #fce7f3; color: #db2777; }

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.feature-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.feature-desc {
  font-size: 12px;
  color: var(--text-muted);
}

.feature-item .arrow {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
}

/* ========================================
   Events Section
======================================== */
.events-section {
  padding: 80px 0;
  background: var(--bg-white);
}

.events-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.event-card {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  padding: 24px;
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.event-card:hover {
  box-shadow: var(--shadow);
}

.event-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: white;
  border-radius: var(--radius);
  padding: 16px;
}

.event-date .month {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
}

.event-date .day {
  font-size: 24px;
  font-weight: 700;
}

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

.event-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 8px;
}

.event-type {
  font-size: 12px;
  font-weight: 500;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 10px;
  border-radius: 20px;
}

.event-location {
  font-size: 13px;
  color: var(--text-muted);
}

.event-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.5;
}

.event-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.event-time {
  font-size: 14px;
  color: var(--text-secondary);
}

.btn-book {
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 500;
  color: white;
  background: var(--primary);
  border: none;
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition);
}

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

/* ========================================
   Partners Section
======================================== */
.partners-section {
  padding: 80px 0;
  background: var(--bg-light);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.partner-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  background: white;
  border-radius: var(--radius);
  transition: var(--transition);
}

.partner-card:hover {
  box-shadow: var(--shadow);
}

.partner-logo {
  display: flex;
  align-items: center;
}

.partner-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.partner-arrow {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.partner-arrow svg {
  width: 20px;
  height: 20px;
}

/* ========================================
   Survey Section
======================================== */
.survey-section {
  padding: 60px 0;
  background: var(--bg-white);
}

.survey-card {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 32px 48px;
  background: linear-gradient(135deg, var(--primary-light) 0%, white 100%);
  border: 1px solid var(--primary-light);
  border-radius: var(--radius-xl);
}

.survey-icon {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
}

.survey-icon svg {
  width: 100%;
  height: 100%;
}

.survey-content {
  flex: 1;
}

.survey-content h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.survey-content .en {
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.survey-content .desc {
  font-size: 15px;
  color: var(--text-secondary);
}

.btn-survey {
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 500;
  color: white;
  background: var(--primary);
  border-radius: 50px;
  transition: var(--transition);
}

.btn-survey:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

/* ========================================
   Footer
======================================== */
.footer {
  background: var(--text-primary);
  color: white;
  padding: 60px 0 0;
}

.footer-main {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  display: flex;
  gap: 16px;
}

.footer-brand .logo-icon {
  width: 56px;
  height: 56px;
}

.footer-info h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}

.footer-info p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-contact h4,
.footer-nav h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-contact p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 8px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-nav a:hover {
  color: white;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 4px;
}

/* ========================================
   Page Banner
======================================== */
.page-banner {
  padding: 140px 0 80px;
  margin-top: 80px;
}

.about-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
}

.schedule-banner {
  background: linear-gradient(135deg, #1e3a5f 0%, #0d8a6a 100%);
  color: white;
}

.banner-content {
  display: flex;
  justify-content: center;
}

.invitation-card {
  text-align: center;
  max-width: 600px;
}

.invitation-header {
  margin-bottom: 16px;
}

.invitation-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 4px;
}

.invitation-en {
  font-size: 16px;
  letter-spacing: 8px;
  opacity: 0.8;
}

.invitation-year {
  font-size: 120px;
  font-weight: 700;
  line-height: 1;
  opacity: 0.2;
  margin: -20px 0;
}

.invitation-subtitle {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 32px;
}

.invitation-info {
  display: flex;
  justify-content: center;
  gap: 40px;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
}

.info-item svg {
  width: 20px;
  height: 20px;
}

.page-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-subtitle {
  font-size: 18px;
  letter-spacing: 4px;
  opacity: 0.8;
  margin-bottom: 32px;
}

.schedule-info {
  display: flex;
  justify-content: center;
  gap: 40px;
}

/* ========================================
   About Page
======================================== */
.about-intro {
  background: var(--bg-white);
}

.intro-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.intro-text {
  font-size: 18px;
  line-height: 2;
  color: var(--text-secondary);
}

/* Advantages */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.advantage-card {
  background: white;
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
}

.advantage-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.advantage-number {
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 16px;
}

.advantage-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.advantage-content {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Activities */
.activities-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--bg-light);
  border-radius: var(--radius);
}

.activity-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  flex-shrink: 0;
}

.activity-icon svg {
  width: 16px;
  height: 16px;
}

.activity-item span {
  font-size: 15px;
  color: var(--text-primary);
}

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

.audience-card {
  background: white;
  padding: 32px;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
}

.audience-card:hover {
  box-shadow: var(--shadow);
}

.audience-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  margin: 0 auto 20px;
}

.audience-icon svg {
  width: 32px;
  height: 32px;
}

.audience-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Organizers */
.organizers-content {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.organizer-group h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}

.organizer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag {
  padding: 10px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  background: var(--bg-light);
  border-radius: 50px;
  transition: var(--transition);
}

.tag:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* Contact */
.contact-card {
  max-width: 600px;
  margin: 0 auto;
  padding: 48px;
  background: white;
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow);
}

.contact-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 32px;
}

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

.contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 16px;
  color: var(--text-secondary);
}

.contact-item svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

/* ========================================
   Schedule Page
======================================== */
.schedule-section {
  background: var(--bg-white);
}

.schedule-timeline {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.schedule-day {
  background: var(--bg-light);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.day-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--primary);
}

.day-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

.day-venue {
  font-size: 14px;
  color: var(--text-muted);
  background: white;
  padding: 6px 16px;
  border-radius: 20px;
}

.day-sessions {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.session-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  padding: 24px;
  background: white;
  border-radius: var(--radius);
  transition: var(--transition);
}

.session-card:hover {
  box-shadow: var(--shadow);
}

.session-time {
  display: flex;
  align-items: flex-start;
}

.time-range {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 8px 16px;
  border-radius: 20px;
}

.session-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.session-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.session-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Tips */
.tips-card {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  max-width: 600px;
  margin: 0 auto;
  padding: 32px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.tips-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fef3c7;
  color: #d97706;
  border-radius: 50%;
  flex-shrink: 0;
}

.tips-icon svg {
  width: 24px;
  height: 24px;
}

.tips-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.tips-content ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tips-content li {
  font-size: 15px;
  color: var(--text-secondary);
  padding-left: 20px;
  position: relative;
}

.tips-content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

/* ========================================
   Responsive
======================================== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-visual {
    display: none;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .links-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .advantages-grid,
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-content {
    height: 64px;
  }
  
  .logo-text h1 {
    font-size: 14px;
  }
  
  .main-nav {
    display: none;
  }
  
  .hero-title {
    font-size: 36px;
  }
  
  .section-title .zh {
    font-size: 24px;
  }
  
  .links-grid,
  .features-grid,
  .partners-grid,
  .advantages-grid,
  .activities-list,
  .audience-grid {
    grid-template-columns: 1fr;
  }
  
  .survey-card {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-main {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .session-card {
    grid-template-columns: 1fr;
  }
  
  .invitation-year {
    font-size: 80px;
  }
  
  .invitation-info,
  .schedule-info {
    flex-direction: column;
    gap: 16px;
  }
}