/* ========================================
   RESPONSIVE — 移动端全面适配
   断点: 1024px / 768px / 480px
   ======================================== */

/* ===== 平板及以下 (≤1024px) ===== */

@media (max-width: 1023px) {
  .container {
    padding: 0 var(--space-sm);
  }

  .section {
    padding: var(--space-xl) 0;
  }

  .section-header {
    margin-bottom: var(--space-lg);
  }
}

/* ===== 手机横屏/大屏手机 (≤767px) ===== */

@media (max-width: 767px) {
  :root {
    --space-lg: 28px;
    --space-xl: 48px;
    --space-xxl: 64px;
  }

  html {
    font-size: 15px;
  }

  body {
    line-height: 1.65;
    -webkit-text-size-adjust: 100%;
  }

  /* ---- 容器 & 通用 ---- */

  .container {
    padding: 0 var(--space-sm);
  }

  .section {
    padding: var(--space-xxl) 0;
  }

  .section-header {
    margin-bottom: var(--space-lg);
  }

  .section-tag {
    font-size: 11px;
    letter-spacing: 1.5px;
  }

  .section-desc {
    font-size: 14px;
    max-width: 100%;
  }

  /* ---- Hero 区域 ---- */

  .sec-hero {
    min-height: auto;
    padding: var(--space-xl) 0 0;
  }

  .hero-content {
    padding: var(--space-lg) 0 var(--space-xl);
  }

  .hero-badge {
    font-size: 11px;
    padding: 6px 12px;
  }

  .hero-title {
    font-size: 1.75rem;
    line-height: 1.2;
    letter-spacing: -0.3px;
  }

  .hero-desc {
    font-size: 14px;
    line-height: 1.75;
    max-width: 100%;
  }

  .hero-venue {
    font-size: 14px;
    display: block !important;
    background: rgba(34, 197, 94, 0.08) !important;
    color: rgba(255, 255, 255, 0.85) !important;
    padding: 8px 14px !important;
    margin-top: var(--space-sm);
    border-radius: var(--radius-sm);
  }

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: var(--space-md);
  }

  .stat-item {
    min-width: unset;
    padding: 14px 10px;
    flex-direction: row;
    justify-content: center;
    gap: 8px;
  }

  .stat-number {
    font-size: 1.5rem;
    margin-bottom: 0;
  }

  .stat-label {
    font-size: 11px;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-cta {
    width: 100%;
    max-width: 280px;
    justify-content: center;
    padding: 14px 24px;
    font-size: 15px;
  }

  /* ---- 导航栏 ---- */

  .nav-inner {
    padding: 0 var(--space-sm);
  }

  .nav-links {
    position: static;
    transform: none;
    gap: 2px;
  }

  .nav-links a {
    font-size: 13px;
    padding: 6px 5px;
    letter-spacing: 0;
  }

  .nav-links a::after {
    bottom: 4px;
    width: 80%;
  }

  .nav-logo {
    font-size: 15px;
  }

  .nav-action-btn {
    width: 32px;
    height: 32px;
  }

  .nav-action-btn svg {
    width: 16px;
    height: 16px;
  }

  .nav-action-btn .lang-text {
    font-size: 11px;
  }

  /* ---- 时间线 ---- */

  .timeline {
    max-width: 100%;
    padding-left: 0;
    padding-right: 0;
  }

  .timeline::before {
    left: 18px;
    top: 20px;
    bottom: 20px;
  }

  .timeline-item {
    padding-left: 48px;
    gap: 0;
  }

  .timeline-node {
    left: 12px;
    top: 18px;
    width: 12px;
    height: 12px;
    border-width: 2.5px;
  }

  .timeline-content {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
  }

  .timeline-date {
    font-size: 12px;
    min-width: auto;
  }

  .timeline-title {
    font-size: 17px;
  }

  .timeline-desc {
    font-size: 13px;
  }

  .timeline-header {
    flex-wrap: wrap;
  }

  .timeline-toggle {
    font-size: 12px;
    padding: 5px 14px;
    margin-left: 0;
    margin-top: 4px;
    min-height: 32px;
    display: inline-flex;
    align-items: center;
  }

  .timeline-detail .phase-narrative h4 {
    font-size: 16px;
  }

  .timeline-detail .phase-narrative p,
  .timeline-detail .reflection-card p {
    font-size: 14px;
    line-height: 1.7;
  }

  .timeline-detail .decision-cards,
  .timeline-detail .deliverables-grid,
  .timeline-detail .reflection-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .timeline-detail .reflection-card {
    padding: 16px;
  }

  .timeline-detail .reflection-title {
    font-size: 16px;
  }

  .timeline-detail .reflection-list li {
    font-size: 13px;
    padding-left: var(--space-sm);
  }

  /* ---- 复盘卡片 (独立于时间线的) ---- */

  .reflection-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .reflection-card {
    padding: 16px;
  }

  .reflection-title {
    font-size: 16px;
  }

  .reflection-list li {
    font-size: 13px;
    line-height: 1.65;
  }

  /* ---- 活动流程表 (rods-table) ---- */

  .rods-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-sm);
    margin: var(--space-md) calc(-1 * var(--space-sm));
    padding: 0 var(--space-sm);
  }

  .rods-table table {
    min-width: 500px;
  }

  .rods-table th,
  .rods-table td {
    padding: 10px 12px;
    font-size: 13px;
  }

  .rods-table th {
    font-size: 11px;
  }

  .rods-table .time {
    font-size: 12px;
    min-width: 90px;
    padding-right: 14px;
  }

  .rods-table .session {
    font-size: 13px;
    min-width: 80px;
    padding-right: 14px;
  }

  .rods-table .detail {
    font-size: 13px;
  }

  /* ---- 精选瞬间 ---- */

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

  .highlight-img {
    aspect-ratio: 16 / 9;
  }

  .highlight-content {
    padding: 14px 16px;
  }

  .highlight-title {
    font-size: 17px;
  }

  .highlight-quote {
    font-size: 13px;
  }

  /* ---- Phase 叙事块 ---- */

  .phase-narrative {
    padding: 16px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  }

  .phase-narrative h4 {
    font-size: 16px;
  }

  .phase-narrative p {
    font-size: 14px;
    line-height: 1.75;
  }

  .phase-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }

  .phase-number {
    font-size: 40px;
  }

  /* ---- 决策卡片 ---- */

  .decision-cards {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .decision-card {
    padding: 16px;
  }

  .deliverables-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .plan-b-section {
    padding: 16px;
  }

  .plan-b-list {
    grid-template-columns: 1fr;
  }

  /* ---- Overview Intro ---- */

  .overview-intro {
    padding: 16px;
    border-radius: var(--radius-md);
  }

  .overview-intro p {
    font-size: 15px;
  }

  /* ---- Footer / About ---- */

  .about-content {
    text-align: left;
    max-width: 100%;
  }

  .footer-title {
    font-size: 17px;
  }

  .event-meta {
    gap: 8px 14px;
  }

  .meta-item {
    font-size: 12px;
  }

  .footer-layer-bottom p {
    font-size: 12px;
  }

  /* ---- 动画降级 ---- */

  .fade-in {
    transform: translateY(16px);
  }

  .highlight-card:hover {
    transform: none;
  }

  .decision-card:hover {
    transform: none;
  }

  .event-card:hover {
    transform: none;
  }

  /* ---- 触摸优化 ---- */

  .timeline-toggle {
    touch-action: manipulation;
    user-select: none;
  }

  .mck-async-toggle {
    touch-action: manipulation;
    user-select: none;
    min-height: 40px;
    display: inline-flex;
    align-items: center;
  }
}

/* ===== 小屏手机 (≤480px) ===== */

@media (max-width: 480px) {
  :root {
    --space-lg: 24px;
    --space-xl: 40px;
    --space-xxl: 52px;
  }

  html {
    font-size: 14px;
  }

  .container {
    padding: 0 14px;
  }

  .hero-title {
    font-size: 1.55rem;
  }

  .hero-desc,
  .hero-venue {
    font-size: 13px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .stat-item {
    padding: 12px 8px;
  }

  .stat-number {
    font-size: 1.35rem;
  }

  .stat-label {
    font-size: 10px;
  }

  .nav-logo {
    font-size: 14px;
  }

  .nav-links a {
    font-size: 12px;
    padding: 6px 4px;
  }

  .nav-action-btn {
    width: 30px;
    height: 30px;
  }

  .timeline-item {
    padding-left: 42px;
  }

  .timeline::before {
    left: 15px;
  }

  .timeline-node {
    left: 10px;
    width: 10px;
    height: 10px;
  }

  .timeline-content {
    padding: 12px 14px;
  }

  .timeline-title {
    font-size: 16px;
  }

  .timeline-toggle {
    font-size: 11px;
    padding: 4px 12px;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .section-tag {
    font-size: 10px;
  }

  .swimlane-header .section-desc {
    font-size: 13px;
  }

  .mck-cell-time {
    padding: 8px 16px;
    font-size: 12px;
  }

  .mck-cell {
    padding: 12px 16px;
  }

  .mck-task {
    font-size: 13px;
  }

  .mck-cell::before {
    font-size: 9px;
    padding: 2px 6px;
  }

  .reflection-card {
    padding: 14px;
  }

  .reflection-list li {
    font-size: 12px;
    padding-left: var(--space-sm);
  }

  .phase-narrative {
    padding: 14px;
  }

  .phase-narrative p {
    font-size: 13px;
  }

  .rods-table {
    margin: var(--space-sm) -14px;
    padding: 0 14px;
  }

  .rods-table th,
  .rods-table td {
    padding: 8px 10px;
    font-size: 12px;
  }

  .footer-content {
    padding: 14px 0 6px;
  }
}

/* ===== 超小屏 (≤360px) ===== */

@media (max-width: 360px) {
  .hero-title {
    font-size: 1.4rem;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }

  .stat-item {
    padding: 10px 6px;
    flex-direction: column;
    gap: 4px;
  }

  .nav-links {
    gap: 0;
  }

  .nav-links a {
    font-size: 11px;
    padding: 6px 3px;
  }

  .nav-action-btn .lang-text {
    font-size: 10px;
  }

  .timeline-title {
    font-size: 15px;
  }

  .mck-task {
    font-size: 12.5px;
  }

  .nav-logo {
    font-size: 13px;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

/* ===== 横屏模式补充 ===== */

@media (max-width: 767px) and (orientation: landscape) {
  .sec-hero {
    min-height: auto;
    padding: var(--space-lg) 0;
  }

  .hero-content {
    padding: var(--space-md) 0;
  }

  .hero-title {
    font-size: 1.6rem;
  }

  .hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .stat-item {
    flex-direction: column;
    padding: 10px 6px;
  }
}

/* ===== 安全区域适配 (iPhone notch 等) ===== */

@supports (padding: env(safe-area-inset-bottom)) {
  .footer-layer-bottom {
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
  }

  .nav {
    height: calc(var(--nav-height) + env(safe-area-inset-top));
    padding-top: env(safe-area-inset-top);
  }

  @media (max-width: 767px) {
    .page-container {
      height: calc(100vh - var(--nav-height) - env(safe-area-inset-top));
    }
  }
}

/* ===== 打印样式 ---- */

@media print {
  .nav,
  .top-bar,
  .hero-actions,
  .timeline-toggle,
  .nav-actions {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .page-container {
    overflow: visible;
    height: auto;
  }

  .main-layer {
    position: relative;
  }

  .footer-layer {
    position: relative;
  }
}