/* ============================================================
   苍井空纪念馆 - 主样式表
   CSS/ID前缀: sam-
   设计风格: 博物馆/展览馆风格
   ============================================================ */

/* === 基础重置与字体 === */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;700&family=Lato:wght@300;400;700&display=swap');

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: "Lato", sans-serif;
  color: #333333;
  background-color: #FFFFFF;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Noto Serif SC", serif;
  font-weight: 600;
  line-height: 1.4;
  color: #333333;
}

a {
  color: #757575;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #333333;
}

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

ul, ol {
  list-style: none;
}

/* === 干扰标签隐藏 === */
.exhibit-jammer-block {
  display: none;
}

/* === 容器 === */
.sam-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.sam-container-wide {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === 导航栏 === */
#sam-header {
  width: 100%;
  background-color: #FFFFFF;
  border-bottom: 1px solid #F0F0F0;
  z-index: 100;
  position: relative;
}

.sam-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.sam-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.sam-logo-img {
  width: 40px;
  height: 40px;
}

.sam-logo-text {
  font-family: "Noto Serif SC", serif;
  font-size: 1.125rem;
  font-weight: 700;
  color: #333333;
  letter-spacing: 2px;
}

.sam-nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.sam-nav-links a {
  font-size: 0.9375rem;
  color: #757575;
  text-decoration: none;
  padding: 4px 0;
  position: relative;
  transition: color 0.3s ease;
}

.sam-nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #BDBDBD;
  transition: width 0.3s ease;
}

.sam-nav-links a:hover {
  color: #333333;
}

.sam-nav-links a:hover::after {
  width: 100%;
}

.sam-nav-links a.sam-active {
  color: #333333;
}

.sam-nav-links a.sam-active::after {
  width: 100%;
}

/* 汉堡菜单 */
.sam-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.sam-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #333333;
  transition: all 0.3s ease;
}

.sam-hamburger.sam-open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.sam-hamburger.sam-open span:nth-child(2) {
  opacity: 0;
}

.sam-hamburger.sam-open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* 移动端侧边栏 */
.sam-mobile-nav {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100vh;
  background-color: #FFFFFF;
  box-shadow: -4px 0 20px rgba(0,0,0,0.1);
  z-index: 1000;
  transition: right 0.3s ease;
  padding: 80px 32px 32px;
}

.sam-mobile-nav.sam-open {
  right: 0;
}

.sam-mobile-nav a {
  display: block;
  font-size: 1.0625rem;
  color: #757575;
  padding: 14px 0;
  border-bottom: 1px solid #F5F5F5;
}

.sam-mobile-nav a:hover {
  color: #333333;
}

.sam-mobile-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #333333;
  cursor: pointer;
}

.sam-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.3);
  z-index: 999;
  display: none;
}

.sam-overlay.sam-open {
  display: block;
}

/* === 通用区块 === */
.sam-section {
  padding: 80px 0;
}

.sam-section-alt {
  padding: 80px 0;
  background-color: #F5F5F5;
}

.sam-section-title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 16px;
  color: #333333;
}

.sam-section-subtitle {
  font-size: 1rem;
  text-align: center;
  color: #757575;
  margin-bottom: 48px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* === 首页 Hero === */
.sam-hero {
  position: relative;
  width: 100%;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #1a1a1a;
  overflow: hidden;
}

.sam-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.sam-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 24px;
}

.sam-hero h1 {
  font-size: 3rem;
  color: #FFFFFF;
  margin-bottom: 20px;
  letter-spacing: 4px;
}

.sam-hero-desc {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

.sam-btn {
  display: inline-block;
  padding: 12px 36px;
  border: 1px solid #FFFFFF;
  color: #FFFFFF;
  font-size: 0.9375rem;
  letter-spacing: 2px;
  transition: all 0.3s ease;
  background: transparent;
  cursor: pointer;
}

.sam-btn:hover {
  background-color: #FFFFFF;
  color: #333333;
}

.sam-btn-dark {
  border-color: #333333;
  color: #333333;
}

.sam-btn-dark:hover {
  background-color: #333333;
  color: #FFFFFF;
}

.sam-btn-solid {
  background-color: #333333;
  color: #FFFFFF;
  border: 1px solid #333333;
}

.sam-btn-solid:hover {
  background-color: #555555;
  border-color: #555555;
}

/* === 馆藏精品 === */
.sam-collection-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.sam-collection-card {
  background: #FFFFFF;
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sam-collection-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.sam-collection-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.sam-collection-card-body {
  padding: 24px;
}

.sam-collection-card-body h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.sam-collection-card-body p {
  font-size: 0.9375rem;
  color: #757575;
  line-height: 1.6;
}

/* === 生平年表 === */
.sam-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px 0;
}

.sam-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: #BDBDBD;
  transform: translateX(-50%);
}

.sam-timeline-item {
  position: relative;
  width: 50%;
  padding: 20px 40px;
  cursor: pointer;
}

.sam-timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.sam-timeline-item:nth-child(even) {
  left: 50%;
  text-align: left;
}

.sam-timeline-dot {
  position: absolute;
  width: 14px;
  height: 14px;
  background-color: #BDBDBD;
  border-radius: 50%;
  top: 28px;
  z-index: 1;
}

.sam-timeline-item:nth-child(odd) .sam-timeline-dot {
  right: -7px;
}

.sam-timeline-item:nth-child(even) .sam-timeline-dot {
  left: -7px;
}

.sam-timeline-year {
  font-family: "Noto Serif SC", serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: #333333;
  margin-bottom: 4px;
}

.sam-timeline-text {
  font-size: 0.9375rem;
  color: #757575;
  line-height: 1.6;
}

.sam-timeline-detail {
  display: none;
  margin-top: 12px;
  padding: 16px;
  background-color: #F5F5F5;
  font-size: 0.875rem;
  color: #555;
  line-height: 1.7;
  text-align: left;
}

.sam-timeline-item.sam-expanded .sam-timeline-detail {
  display: block;
}

/* === 影像修复 === */
.sam-restoration {
  max-width: 800px;
  margin: 0 auto;
}

.sam-restoration-compare {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  margin-bottom: 24px;
}

.sam-restoration-compare img {
  width: 100%;
  display: block;
}

.sam-restoration-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.sam-restoration-before,
.sam-restoration-after {
  width: 100%;
}

.sam-restoration-before {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  overflow: hidden;
  z-index: 2;
}

.sam-restoration-before img {
  width: 200%;
  max-width: none;
}

.sam-restoration-handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 4px;
  height: 100%;
  background: #FFFFFF;
  z-index: 3;
  cursor: ew-resize;
}

.sam-restoration-handle::after {
  content: '⟷';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  background: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #333;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.sam-restoration-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: #757575;
  margin-top: 8px;
}

/* === 语音导览 === */
.sam-audio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.sam-audio-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: #FFFFFF;
  box-shadow: 0 2px 16px rgba(0,0,0,0.05);
}

.sam-audio-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.sam-audio-info h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.sam-audio-info p {
  font-size: 0.8125rem;
  color: #757575;
  margin-bottom: 8px;
}

.sam-audio-play {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  color: #757575;
  cursor: pointer;
  background: none;
  border: 1px solid #BDBDBD;
  padding: 6px 14px;
  transition: all 0.3s ease;
}

.sam-audio-play:hover {
  border-color: #333;
  color: #333;
}

/* === 访客留言 === */
.sam-guestbook-wall {
  column-count: 3;
  column-gap: 24px;
}

.sam-guestbook-item {
  break-inside: avoid;
  margin-bottom: 24px;
  padding: 24px;
  background: #FFFFFF;
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}

.sam-guestbook-item p {
  font-size: 0.9375rem;
  color: #555;
  line-height: 1.7;
  margin-bottom: 12px;
}

.sam-guestbook-author {
  font-size: 0.8125rem;
  color: #BDBDBD;
}

/* === 纪念品商店 === */
.sam-shop-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.sam-shop-card {
  text-align: center;
  padding: 24px;
  background: #FFFFFF;
  box-shadow: 0 2px 16px rgba(0,0,0,0.05);
  transition: transform 0.3s ease;
}

.sam-shop-card:hover {
  transform: translateY(-4px);
}

.sam-shop-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  margin-bottom: 16px;
}

.sam-shop-card h4 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.sam-shop-card .sam-price {
  font-size: 1.125rem;
  color: #333;
  font-weight: 700;
  margin-bottom: 12px;
}

/* === 年卡会员 === */
.sam-membership-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 960px;
  margin: 0 auto;
}

.sam-membership-card {
  text-align: center;
  padding: 40px 32px;
  background: #FFFFFF;
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
  transition: transform 0.3s ease;
}

.sam-membership-card:hover {
  transform: translateY(-4px);
}

.sam-membership-card h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.sam-membership-price {
  font-size: 2rem;
  font-weight: 700;
  color: #333;
  margin-bottom: 24px;
}

.sam-membership-price span {
  font-size: 0.875rem;
  font-weight: 400;
  color: #757575;
}

.sam-membership-features {
  text-align: left;
  margin-bottom: 32px;
}

.sam-membership-features li {
  padding: 8px 0;
  border-bottom: 1px solid #F5F5F5;
  font-size: 0.9375rem;
  color: #555;
}

.sam-membership-features li::before {
  content: '✓ ';
  color: #BDBDBD;
}

/* === 场馆租赁 === */
.sam-venue-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.sam-venue-info h3 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.sam-venue-info p {
  font-size: 0.9375rem;
  color: #757575;
  line-height: 1.8;
  margin-bottom: 24px;
}

.sam-venue-form label {
  display: block;
  font-size: 0.875rem;
  color: #757575;
  margin-bottom: 6px;
}

.sam-venue-form input,
.sam-venue-form textarea,
.sam-venue-form select {
  width: 100%;
  padding: 10px 0;
  border: none;
  border-bottom: 1px solid #BDBDBD;
  font-size: 0.9375rem;
  color: #333;
  background: transparent;
  margin-bottom: 20px;
  outline: none;
  font-family: "Lato", sans-serif;
}

.sam-venue-form input:focus,
.sam-venue-form textarea:focus,
.sam-venue-form select:focus {
  border-bottom-color: #333;
}

.sam-venue-form textarea {
  resize: vertical;
  min-height: 100px;
}

/* === APP下载 === */
.sam-app-section {
  text-align: center;
  padding: 80px 24px;
}

.sam-app-mockup {
  max-width: 300px;
  margin: 0 auto 40px;
}

.sam-app-badges {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

.sam-app-badges img {
  height: 48px;
  width: auto;
}

/* === 参观须知 === */
.sam-visitor-list {
  max-width: 800px;
  margin: 0 auto;
}

.sam-visitor-list li {
  padding: 16px 0;
  border-bottom: 1px solid #F0F0F0;
  font-size: 0.9375rem;
  color: #555;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.sam-visitor-list li .sam-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #BDBDBD;
  font-size: 1rem;
}

/* === 页脚 === */
#sam-footer {
  background-color: #1a1a1a;
  color: #999;
  padding: 60px 0 0;
}

.sam-footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 48px;
}

.sam-footer-col h4 {
  font-family: "Noto Serif SC", serif;
  font-size: 1rem;
  color: #FFFFFF;
  margin-bottom: 20px;
  font-weight: 600;
}

.sam-footer-col a {
  display: block;
  color: #999;
  font-size: 0.875rem;
  padding: 4px 0;
  transition: color 0.3s ease;
}

.sam-footer-col a:hover {
  color: #FFFFFF;
}

.sam-footer-col p {
  font-size: 0.875rem;
  line-height: 1.7;
}

.sam-footer-social {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}

.sam-footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid #555;
  border-radius: 50%;
  color: #999;
  font-size: 0.875rem;
  transition: all 0.3s ease;
}

.sam-footer-social a:hover {
  border-color: #FFFFFF;
  color: #FFFFFF;
}

.sam-footer-bottom {
  border-top: 1px solid #333;
  padding: 24px;
  text-align: center;
  font-size: 0.8125rem;
  color: #666;
}

.sam-footer-bottom .sam-cert {
  margin-bottom: 8px;
  color: #888;
}

.sam-footer-bottom .sam-age-warning {
  color: #cc0000;
  font-weight: 700;
  margin-bottom: 8px;
}

/* === 内页通用 === */
.sam-page-hero {
  background-color: #1a1a1a;
  padding: 80px 24px 60px;
  text-align: center;
}

.sam-page-hero h1 {
  font-size: 2.5rem;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.sam-page-hero p {
  font-size: 1rem;
  color: rgba(255,255,255,0.7);
  max-width: 600px;
  margin: 0 auto;
}

.sam-article-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 24px;
}

.sam-article-content h2 {
  font-size: 1.5rem;
  margin: 40px 0 16px;
}

.sam-article-content h3 {
  font-size: 1.25rem;
  margin: 32px 0 12px;
}

.sam-article-content p {
  font-size: 1rem;
  line-height: 2;
  color: #444;
  margin-bottom: 20px;
}

.sam-article-content img {
  width: 100%;
  margin: 24px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.sam-article-content blockquote {
  border-left: 3px solid #BDBDBD;
  padding: 16px 24px;
  margin: 24px 0;
  background: #F5F5F5;
  color: #555;
  font-style: italic;
}

/* === 作品卡片网格 === */
.sam-works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.sam-work-card {
  background: #FFFFFF;
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
  overflow: hidden;
  transition: transform 0.3s ease;
}

.sam-work-card:hover {
  transform: translateY(-4px);
}

.sam-work-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.sam-work-card-body {
  padding: 20px;
}

.sam-work-card-body h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.sam-work-card-body p {
  font-size: 0.875rem;
  color: #757575;
}

/* === 新闻列表 === */
.sam-news-list {
  max-width: 800px;
  margin: 0 auto;
}

.sam-news-item {
  display: flex;
  gap: 24px;
  padding: 32px 0;
  border-bottom: 1px solid #F0F0F0;
}

.sam-news-item img {
  width: 200px;
  height: 140px;
  object-fit: cover;
  flex-shrink: 0;
}

.sam-news-item-body h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.sam-news-item-body p {
  font-size: 0.9375rem;
  color: #757575;
  line-height: 1.7;
  margin-bottom: 8px;
}

.sam-news-date {
  font-size: 0.8125rem;
  color: #BDBDBD;
}

/* === 法律页面 === */
.sam-legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 24px;
}

.sam-legal-content h2 {
  font-size: 1.375rem;
  margin: 36px 0 12px;
}

.sam-legal-content p {
  font-size: 0.9375rem;
  line-height: 1.9;
  color: #555;
  margin-bottom: 16px;
}

/* === 面包屑 === */
.sam-breadcrumb {
  padding: 16px 0;
  font-size: 0.8125rem;
  color: #BDBDBD;
}

.sam-breadcrumb a {
  color: #BDBDBD;
}

.sam-breadcrumb a:hover {
  color: #333;
}

/* === 回到顶部 === */
#sam-back-top {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 44px;
  height: 44px;
  background: #333;
  color: #FFF;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
  transition: opacity 0.3s ease;
}

#sam-back-top.sam-visible {
  display: flex;
}

/* === 响应式 === */

/* 1024px */
@media (max-width: 1024px) {
  .sam-collection-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sam-shop-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sam-works-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 768px */
@media (max-width: 768px) {
  .sam-nav-links {
    display: none;
  }
  .sam-hamburger {
    display: flex;
  }
  .sam-hero h1 {
    font-size: 2rem;
  }
  .sam-section {
    padding: 60px 0;
  }
  .sam-section-alt {
    padding: 60px 0;
  }
  .sam-section-title {
    font-size: 1.5rem;
  }
  .sam-collection-grid {
    grid-template-columns: 1fr;
  }
  .sam-timeline::before {
    left: 20px;
  }
  .sam-timeline-item {
    width: 100%;
    left: 0 !important;
    text-align: left !important;
    padding-left: 50px;
    padding-right: 20px;
  }
  .sam-timeline-item .sam-timeline-dot {
    left: 13px !important;
    right: auto !important;
  }
  .sam-audio-grid {
    grid-template-columns: 1fr;
  }
  .sam-guestbook-wall {
    column-count: 1;
  }
  .sam-shop-grid {
    grid-template-columns: 1fr;
  }
  .sam-membership-grid {
    grid-template-columns: 1fr;
  }
  .sam-venue-content {
    grid-template-columns: 1fr;
  }
  .sam-footer-grid {
    grid-template-columns: 1fr;
  }
  .sam-news-item {
    flex-direction: column;
  }
  .sam-news-item img {
    width: 100%;
    height: 200px;
  }
  .sam-works-grid {
    grid-template-columns: 1fr;
  }
  .sam-page-hero h1 {
    font-size: 1.75rem;
  }
}

/* 360px */
@media (max-width: 360px) {
  .sam-hero h1 {
    font-size: 1.5rem;
  }
  .sam-container {
    padding: 0 16px;
  }
  .sam-section-title {
    font-size: 1.25rem;
  }
  .sam-app-badges {
    flex-direction: column;
    align-items: center;
  }
}

/* === 动画 === */
.sam-fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.sam-fade-in.sam-visible {
  opacity: 1;
  transform: translateY(0);
}

/* === APP下载页面 === */
.sam-app-hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F5F5F5 0%, #FFFFFF 100%);
}

.sam-app-layout {
  display: flex;
  align-items: center;
  gap: 80px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 60px 24px;
}

.sam-app-phone {
  flex-shrink: 0;
  width: 280px;
  position: relative;
}

.sam-app-phone-frame {
  width: 100%;
  border-radius: 36px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  overflow: hidden;
}

.sam-app-text h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.sam-app-text p {
  font-size: 1rem;
  color: #757575;
  line-height: 1.8;
  margin-bottom: 32px;
}

.sam-app-features {
  margin-bottom: 40px;
}

.sam-app-features li {
  padding: 8px 0;
  font-size: 0.9375rem;
  color: #555;
}

.sam-app-features li::before {
  content: '◆ ';
  color: #BDBDBD;
}

@media (max-width: 768px) {
  .sam-app-layout {
    flex-direction: column;
    text-align: center;
  }
  .sam-app-phone {
    width: 220px;
  }
  .sam-app-features {
    text-align: left;
  }
}

/* === 人物卡片 === */
.sam-person-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.sam-person-card {
  text-align: center;
  padding: 32px 24px;
  background: #FFFFFF;
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
  transition: transform 0.3s ease;
}

.sam-person-card:hover {
  transform: translateY(-4px);
}

.sam-person-card img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
}

.sam-person-card h3 {
  font-size: 1.0625rem;
  margin-bottom: 6px;
}

.sam-person-card p {
  font-size: 0.875rem;
  color: #757575;
}

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