/* ============================================
   禁片天堂 · 设计系统
   风格：Vintage Cinema Editorial
   配色：暖米白 / 朱砂红 / 玉石绿 / 鎏金
   ============================================ */

/* 基础重置 */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: #FDF6EC;
  color: #2D1B14;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: #C8502E;
  color: #FDF6EC;
}

/* 核心布局 — 必须居中 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 90px 0;
  position: relative;
}

.section:nth-child(even) {
  background: #F5E8D8;
}

.section:nth-child(odd)::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, #E8DCC8, transparent);
}

/* ============================================
   导航 — 固定顶部 · 复古放映带金顶
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(253, 246, 236, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid #E8DCC8;
}

/* 顶部三色胶片齿孔带 */
.site-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: repeating-linear-gradient(90deg,
    #C8502E 0px, #C8502E 24px,
    transparent 24px, transparent 28px,
    #1B7A6E 28px, #1B7A6E 52px,
    transparent 52px, transparent 56px,
    #D4A538 56px, #D4A538 80px,
    transparent 80px, transparent 84px);
  opacity: 0.85;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.25rem;
  text-decoration: none;
  color: #2D1B14;
  letter-spacing: 0.02em;
  position: relative;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  background: linear-gradient(135deg, #C8502E, #E8845A);
  color: #FDF6EC;
  box-shadow: 0 3px 10px rgba(200, 80, 46, 0.35);
  font-weight: 700;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  color: #2D1B14;
  transition: color 0.25s ease;
  position: relative;
  letter-spacing: 0.03em;
}

.main-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #C8502E;
  transition: width 0.3s cubic-bezier(0.65, 0, 0.35, 1);
}

.main-nav a:not(.nav-cta):hover::after {
  width: 100%;
}

.main-nav a:not(.nav-cta):hover {
  color: #C8502E;
}

.nav-cta {
  padding: 10px 26px;
  border-radius: 40px;
  color: #FDF6EC !important;
  font-weight: 700;
  background: linear-gradient(135deg, #C8502E, #D4A538);
  box-shadow: 0 4px 12px rgba(200, 80, 46, 0.25);
  transition: all 0.3s ease !important;
  letter-spacing: 0.06em;
}

.nav-cta:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 20px rgba(200, 80, 46, 0.35);
}

.nav-cta::after { display: none; }

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1.5px solid #E8DCC8;
  background: #FFFDF8;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  color: #C8502E;
}

/* ============================================
   首页 Hero · 戏剧化大字排版
   ============================================ */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 140px 0 100px;
  background:
    radial-gradient(ellipse at 85% 15%, rgba(212, 165, 56, 0.18) 0%, transparent 45%),
    radial-gradient(ellipse at 8% 80%, rgba(27, 122, 110, 0.10) 0%, transparent 40%),
    linear-gradient(175deg, #FDF6EC 0%, #FAEFDE 100%);
}

/* 左侧竖排胶片装饰 */
.hero::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 340px;
  background: repeating-linear-gradient(to bottom,
    transparent 0px, transparent 14px,
    #C8502E 14px, #C8502E 18px,
    transparent 18px, transparent 32px);
  opacity: 0.2;
  border-radius: 4px;
}

/* 底部三色胶片带 */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 18px;
  background: repeating-linear-gradient(90deg,
    #C8502E 0px, #C8502E 22px,
    transparent 22px, transparent 26px,
    #1B7A6E 26px, #1B7A6E 48px,
    transparent 48px, transparent 52px,
    #D4A538 52px, #D4A538 74px,
    transparent 74px, transparent 78px);
  opacity: 0.2;
}

.hero-content {
  max-width: 760px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 4px;
  padding: 7px 20px;
  border-radius: 40px;
  margin-bottom: 24px;
  background: #1B7A6E;
  color: #FDF6EC;
  box-shadow: 0 4px 14px rgba(27, 122, 110, 0.3);
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.6rem, 5.5vw, 4.4rem);
  line-height: 1.18;
  margin-bottom: 20px;
  font-weight: 900;
  color: #2D1B14;
  letter-spacing: 0;
}

.hero h1 em {
  font-style: normal;
  color: #C8502E;
  position: relative;
  background: linear-gradient(120deg, rgba(212, 165, 56, 0.25) 0%, rgba(212, 165, 56, 0.25) 100%);
  background-size: 100% 30%;
  background-repeat: no-repeat;
  background-position: 0 90%;
  padding: 0 4px;
}

.hero p {
  font-size: 1.12rem;
  color: rgba(45, 27, 20, 0.7);
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  align-items: center;
}

/* ============================================
   按钮 · 电影票根风格
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 40px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  position: relative;
}

.btn-primary {
  background: linear-gradient(135deg, #C8502E 0%, #E07A4A 100%);
  color: #FDF6EC;
  box-shadow: 0 6px 18px rgba(200, 80, 46, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(200, 80, 46, 0.4);
}

.btn-outline {
  background: transparent;
  border: 2px solid #C8502E;
  color: #C8502E;
}

.btn-outline:hover {
  background: rgba(200, 80, 46, 0.08);
  transform: translateY(-3px);
}

/* ============================================
   标签 / 标题 · 编辑排版
   ============================================ */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 4px;
  margin-bottom: 14px;
  color: #1B7A6E;
  text-transform: uppercase;
  position: relative;
  padding-left: 28px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 2px;
  background: #C8502E;
}

.section-label::after {
  content: '※';
  margin-left: 8px;
  color: #D4A538;
  font-size: 0.85rem;
}

.section-title {
  font-size: clamp(1.9rem, 3.8vw, 2.8rem);
  margin-bottom: 16px;
  font-weight: 900;
  color: #2D1B14;
  line-height: 1.25;
  letter-spacing: 0.01em;
}

.section-desc {
  max-width: 620px;
  color: rgba(45, 27, 20, 0.7);
  margin-bottom: 44px;
  line-height: 1.8;
}

/* ============================================
   卡片网格 · 海报式卡片
   ============================================ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: 6px;
  padding: 32px 28px;
  background: #FFFDF8;
  border: 1px solid #E8DCC8;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

/* 顶部渐变装饰条 */
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #C8502E, #D4A538, #1B7A6E);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.65, 0, 0.35, 1);
}

.category-card::after {
  content: '';
  position: absolute;
  top: 14px;
  right: -24px;
  width: 60px;
  height: 60px;
  border: 2px solid rgba(212, 165, 56, 0.2);
  border-radius: 50%;
  transition: transform 0.5s ease;
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 34px rgba(61, 44, 41, 0.08);
}

.category-card:hover::before {
  transform: scaleX(1);
}

.category-card:hover::after {
  transform: scale(1.4);
  opacity: 0.6;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, rgba(200, 80, 46, 0.12), rgba(212, 165, 56, 0.12));
  color: #C8502E;
}

.category-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: #2D1B14;
}

.category-card p {
  font-size: 0.9rem;
  color: rgba(45, 27, 20, 0.65);
  line-height: 1.7;
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: #C8502E;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  transition: gap 0.3s ease;
}

.card-link:hover {
  gap: 12px;
}

/* ============================================
   特性块 · 错位金框
   ============================================ */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.feature-image {
  border-radius: 8px;
  overflow: visible;
  position: relative;
}

.feature-image::after {
  content: '';
  position: absolute;
  top: 18px;
  left: 18px;
  right: -18px;
  bottom: -18px;
  border: 2px solid #D4A538;
  border-radius: 8px;
  z-index: -1;
  opacity: 0.55;
  transition: all 0.4s ease;
}

.feature-block:hover .feature-image::after {
  top: 12px;
  left: 12px;
  opacity: 0.85;
}

.feature-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
  box-shadow: 0 10px 30px rgba(61, 44, 41, 0.12);
}

.feature-text h3 {
  font-size: 1.6rem;
  font-weight: 900;
  margin-bottom: 14px;
}

.feature-text p {
  color: rgba(45, 27, 20, 0.7);
  margin-bottom: 20px;
  line-height: 1.8;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  color: rgba(45, 27, 20, 0.85);
}

.feature-list li::before {
  content: '✓';
  font-weight: 800;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1B7A6E, #2A9D8F);
  color: #FDF6EC;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(27, 122, 110, 0.3);
}

/* ============================================
   数据条 · 胶片数字
   ============================================ */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 32px 20px;
  border-radius: 6px;
  background: #FFFDF8;
  border: 1px solid #E8DCC8;
  position: relative;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, #C8502E, #D4A538);
  border-radius: 0 0 4px 4px;
}

.stat-item:hover {
  transform: translateY(-4px) rotate(0.5deg);
  box-shadow: 0 12px 24px rgba(61, 44, 41, 0.08);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.2;
  background: linear-gradient(135deg, #C8502E, #D4A538);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}

.stat-number::after {
  content: '+';
  -webkit-text-fill-color: #C8502E;
}

.stat-label {
  font-size: 0.88rem;
  color: rgba(45, 27, 20, 0.6);
  margin-top: 8px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

/* ============================================
   内容墙 · 杂志网格
   ============================================ */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid #E8DCC8;
  background: #FFFDF8;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.content-wall-item:hover {
  transform: translateY(-6px) rotate(0.4deg);
  box-shadow: 0 16px 36px rgba(61, 44, 41, 0.1);
}

.content-wall-item img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.content-wall-item:hover img {
  transform: scale(1.04);
}

.content-wall-body {
  padding: 22px 24px 24px;
}

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: #2D1B14;
}

.content-wall-body p {
  font-size: 0.88rem;
  color: rgba(45, 27, 20, 0.65);
  line-height: 1.7;
  margin-bottom: 12px;
}

/* ============================================
   FAQ · 折叠标
   ============================================ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid #E8DCC8;
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
  background: #FFFDF8;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: #D4A538;
}

.faq-item.open {
  border-color: #D4A538;
  box-shadow: 0 6px 20px rgba(212, 165, 56, 0.15);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  cursor: pointer;
  color: #2D1B14;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.6rem;
  font-weight: 400;
  color: #C8502E;
  transition: transform 0.3s ease;
  margin-left: 16px;
  flex-shrink: 0;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-item .faq-answer {
  padding: 0 24px 22px;
  display: none;
  color: rgba(45, 27, 20, 0.68);
  font-size: 0.95rem;
  line-height: 1.85;
  border-top: 1px dashed rgba(232, 220, 200, 0.6);
  padding-top: 14px;
}

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

/* ============================================
   CTA 横幅 · 胶片剧场票根
   ============================================ */
.cta-banner {
  padding: 70px 40px;
  text-align: center;
  border-radius: 16px;
  color: #FDF6EC;
  background: linear-gradient(135deg, #C8502E 0%, #B83C28 45%, #D4A538 130%);
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(200, 80, 46, 0.3);
}

/* 暗纹装饰 */
.cta-banner::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  border: 2px solid rgba(253, 246, 236, 0.15);
  border-radius: 50%;
}

.cta-banner::after {
  content: '♢ ♧ ♡ ♤';
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1rem;
  letter-spacing: 24px;
  opacity: 0.25;
  color: #FDF6EC;
}

.cta-banner h2 {
  color: #FDF6EC;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
  margin-bottom: 14px;
  position: relative;
  z-index: 2;
}

.cta-banner p {
  color: rgba(253, 246, 236, 0.85);
  margin-bottom: 30px;
  position: relative;
  z-index: 2;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.cta-banner .btn-primary {
  background: #FDF6EC;
  color: #C8502E !important;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  position: relative;
  z-index: 2;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* ============================================
   页脚 · 暖调米棕
   ============================================ */
.site-footer {
  padding: 64px 0 28px;
  background: #F0E4D2;
  border-top: 1px solid #E8DCC8;
  color: rgba(45, 27, 20, 0.8);
}

.site-footer .container {
  max-width: 1200px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand .logo {
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(45, 27, 20, 0.6);
  line-height: 1.8;
  max-width: 240px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 800;
  margin-bottom: 18px;
  color: #2D1B14;
  position: relative;
  letter-spacing: 0.08em;
}

.footer-col h4::after {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: #C8502E;
  margin-top: 6px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  text-decoration: none;
  font-size: 0.9rem;
  color: rgba(45, 27, 20, 0.65);
  transition: all 0.25s ease;
  display: inline-block;
  position: relative;
}

.footer-col ul a::before {
  content: '› ';
  color: #C8502E;
  font-weight: 700;
}

.footer-col ul a:hover {
  color: #C8502E;
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(200, 80, 46, 0.18);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(45, 27, 20, 0.5);
  letter-spacing: 0.04em;
}

/* ============================================
   工具类
   ============================================ */
.text-accent {
  color: #C8502E;
}

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

.seo-description {
  max-width: 640px;
  margin: 0 auto 48px;
  color: rgba(45, 27, 20, 0.68);
  line-height: 1.9;
  font-size: 1rem;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* Hero 图片装饰框 */
.hero-image {
  border-radius: 8px;
  overflow: hidden;
  border: 10px solid #FFFDF8;
  box-shadow: 0 20px 48px rgba(61, 44, 41, 0.14);
  position: relative;
  transform: rotate(1.5deg);
  transition: transform 0.5s ease;
}

.hero-image:hover {
  transform: rotate(0deg);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* 标签墙 — 额外的文字云装饰 */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.tag-cloud span {
  font-size: 0.78rem;
  padding: 5px 14px;
  border-radius: 30px;
  border: 1px solid #E8DCC8;
  color: rgba(45, 27, 20, 0.6);
  background: #FFFDF8;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: default;
  transition: all 0.25s ease;
}

.tag-cloud span:hover {
  border-color: #C8502E;
  color: #C8502E;
  transform: translateY(-2px);
}

/* 分隔线 — 胶片纹理 */
.film-divider {
  height: 12px;
  border: none;
  background: repeating-linear-gradient(90deg,
    #C8502E 0px, #C8502E 16px,
    transparent 16px, transparent 20px,
    #1B7A6E 20px, #1B7A6E 36px,
    transparent 36px, transparent 40px);
  opacity: 0.18;
}

/* ============================================
   ⚠️ 响应式
   ============================================ */
@media (max-width: 768px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: #FDF6EC;
    padding: 24px;
    border-bottom: 1px solid #E8DCC8;
    box-shadow: 0 12px 24px rgba(61, 44, 41, 0.06);
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

  .main-nav.open {
    display: flex;
    animation: navSlideDown 0.3s ease;
  }

  @keyframes navSlideDown {
    from {
      opacity: 0;
      transform: translateY(-8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .main-nav a {
    font-size: 1.1rem;
    padding: 10px 0;
    width: 100%;
    border-bottom: 1px dashed rgba(232, 220, 200, 0.5);
  }

  .nav-cta {
    width: auto;
    border-bottom: none;
    text-align: center;
    margin-top: 8px;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    padding: 110px 0 80px;
    min-height: 70vh;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero::before {
    left: 8px;
    width: 28px;
    height: 200px;
    opacity: 0.12;
  }

  .section {
    padding: 60px 0;
  }

  .content-wall {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall {
    grid-template-columns: 1fr;
  }

  .stats-bar {
    grid-template-columns: 1fr;
  }

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

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .feature-block {
    gap: 40px;
  }

  .cta-banner {
    padding: 48px 20px;
    border-radius: 12px;
  }

  .hero::before {
    display: none;
  }

  .hero::after {
    height: 12px;
  }

  .feature-image::after {
    top: 10px;
    left: 10px;
    right: -10px;
    bottom: -10px;
  }

  .stat-number {
    font-size: 2rem;
  }
}

/* 打印友好隐藏 */
@media print {
  .site-header,
  .nav-cta,
  .menu-toggle,
  .cta-banner,
  .hero-buttons {
    display: none;
  }

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

  .hero {
    min-height: auto;
    padding: 40px 0;
    background: #fff;
  }
}