/* =========================================
   影视工厂 · 光影设计系统
   设计概念：电影胶片 / 暖光投影 / 画面比例
   色彩：奶油白 + 珊瑚橙 + 松石绿 + 琥珀金
   ========================================= */

:root {
  --bg-cream: #FBF7F0;
  --bg-cream-deep: #F3EDE3;
  --bg-card: #FFFFFF;
  --accent-coral: #FF5C39;
  --accent-coral-deep: #D9401F;
  --accent-coral-soft: #FFE3DA;
  --accent-teal: #167D6C;
  --accent-teal-soft: #D7EEEA;
  --accent-amber: #F0A04B;
  --accent-amber-soft: #FDE9D2;
  --text-primary: #2B2A26;
  --text-secondary: #7E746A;
  --text-muted: #A89A8E;
  --line-light: #E9DFD3;
  --line-dark: #D8C8BA;
  --shadow-card: 0 6px 24px rgba(193, 110, 50, 0.08);
  --shadow-float: 0 24px 48px rgba(193, 110, 50, 0.12);
  --shadow-glow: 0 0 60px rgba(255, 92, 57, 0.20);
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 28px;
}

/* 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-color: var(--bg-cream);
  color: var(--text-primary);
  line-height: 1.65;
  background-image: radial-gradient(rgba(180, 130, 80, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
}

::selection {
  background: var(--accent-coral);
  color: #fff;
}

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-cream);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-coral), var(--accent-amber));
  border-radius: 10px;
}

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

.section {
  padding: 96px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--bg-cream-deep);
}

/* =====================
   导航 — 顶部固定
   ===================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(251, 247, 240, 0.90);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(233, 223, 211, 0.7);
  transition: box-shadow 0.3s, background 0.3s;
}

/* 彩色胶片丝带 */
.site-header::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 3px;
  background: linear-gradient(90deg, 
    var(--accent-coral) 0%, 
    var(--accent-amber) 50%, 
    var(--accent-teal) 100%);
  opacity: 0.6;
  pointer-events: none;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  transition: color 0.25s;
}

.logo:hover {
  color: var(--accent-coral);
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  background: linear-gradient(135deg, var(--accent-coral), var(--accent-amber));
  color: #fff;
  box-shadow: 0 6px 18px rgba(255, 92, 57, 0.28);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 45%;
  background: rgba(255, 255, 255, 0.22);
  border-radius: 10px 10px 100% 100%;
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: color 0.25s, transform 0.2s;
  position: relative;
}

.main-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-coral), var(--accent-amber));
  border-radius: 2px;
  transition: width 0.3s ease;
}

.main-nav a:not(.nav-cta):hover {
  color: var(--accent-coral);
}

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

.nav-cta {
  padding: 10px 24px;
  border-radius: 100px;
  color: #fff !important;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent-coral), var(--accent-amber));
  box-shadow: 0 4px 16px rgba(255, 92, 57, 0.3);
  transition: transform 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}

.nav-cta::after {
  content: '→';
  margin-left: 6px;
  display: inline-block;
  transition: transform 0.25s;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 92, 57, 0.38);
}

.nav-cta:hover::after {
  transform: translateX(4px);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1.5px solid var(--line-dark);
  border-radius: 12px;
  background: var(--bg-card);
  cursor: pointer;
  position: relative;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, background 0.2s;
}

.menu-toggle:hover {
  border-color: var(--accent-coral);
  background: var(--accent-coral-soft);
}

.menu-toggle::before {
  content: '';
  width: 18px;
  height: 2px;
  background: var(--text-primary);
  box-shadow: 0 -6px 0 var(--text-primary), 0 6px 0 var(--text-primary);
  border-radius: 2px;
  transition: box-shadow 0.2s;
}

.menu-toggle:hover::before {
  box-shadow: 0 -6px 0 var(--accent-coral), 0 6px 0 var(--accent-coral);
  background: var(--accent-coral);
}

/* =====================
   Hero 首页
   ===================== */
.hero {
  min-height: 72vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 64px;
  padding: 150px 24px 90px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  background:
    radial-gradient(ellipse at 75% 25%, rgba(240, 160, 75, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 10% 85%, rgba(22, 125, 108, 0.08) 0%, transparent 45%),
    var(--bg-cream);
  overflow: visible;
}

/* 胶片冲孔装饰 — 底部滚动字幕条 */
.hero::after {
  content: '✦ 光影工厂 · 梦想量产 ✦ 影视工厂 · 电影人摇篮 ✦ 每一帧都是热爱 ✦ 用光影讲述故事 ✦';
  position: absolute;
  bottom: -24px;
  left: 50%;
  transform: translateX(-50%);
  height: 48px;
  line-height: 48px;
  padding: 0 24px;
  background: linear-gradient(90deg, var(--accent-coral), var(--accent-amber));
  color: rgba(255, 255, 255, 0.95);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 4px;
  white-space: nowrap;
  overflow: hidden;
  border-radius: 24px;
  box-shadow: 0 10px 30px rgba(255, 92, 57, 0.22);
  z-index: 2;
  animation: slowScroll 18s ease-in-out infinite alternate;
}

@keyframes slowScroll {
  0% { letter-spacing: 4px; }
  100% { letter-spacing: 8px; }
}

/* Hero 内部容器 */
.hero > .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 64px;
  width: 100%;
  height: 100%;
}

.hero-content {
  flex: 1;
  max-width: 700px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 28px;
  background: var(--accent-coral-soft);
  color: var(--accent-coral-deep);
  border: 1px solid rgba(255, 92, 57, 0.15);
}

.hero-eyebrow::before {
  content: '●';
  font-size: 0.5rem;
  color: var(--accent-coral);
  animation: blink 2.4s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.4rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  text-shadow: 0 2px 30px rgba(255, 92, 57, 0.08);
}

.hero h1 .text-accent {
  color: var(--accent-coral);
  position: relative;
  white-space: nowrap;
}

.hero h1 .text-accent::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 4px;
  background: repeating-linear-gradient(90deg,
    var(--accent-coral) 0 4px,
    transparent 4px 10px
  );
  border-radius: 2px;
  opacity: 0.5;
}

.hero p {
  font-size: 1.1rem;
  opacity: 1;
  color: var(--text-secondary);
  max-width: 540px;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-image {
  flex: 0 0 44%;
  max-width: 560px;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  border: 10px solid var(--bg-card);
  box-shadow:
    0 40px 80px rgba(193, 110, 50, 0.16),
    0 4px 16px rgba(193, 110, 50, 0.08);
  transform: rotate(1deg);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s;
  z-index: 1;
}

.hero-image:hover {
  transform: rotate(0deg) translateY(-4px);
  box-shadow:
    0 50px 100px rgba(193, 110, 50, 0.22),
    0 8px 24px rgba(193, 110, 50, 0.1);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  filter: saturate(1.05);
}

/* 画面比例角标 */
.hero-image::after {
  content: '2.35 : 1';
  position: absolute;
  bottom: 12px;
  right: 12px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 2px;
  background: rgba(60, 40, 30, 0.55);
  color: #FFF;
  padding: 4px 10px;
  border-radius: 4px;
  font-family: 'SF Mono', 'Courier New', monospace;
  pointer-events: none;
}

/* =====================
   按钮
   ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.02em;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent-coral) 0%, var(--accent-amber) 100%);
  box-shadow: 0 6px 20px rgba(255, 92, 57, 0.28);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(255, 92, 57, 0.40);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.6);
  border: 1.5px solid var(--accent-teal);
  color: var(--accent-teal);
}

.btn-outline:hover {
  background: var(--accent-teal-soft);
  border-color: var(--accent-teal);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(22, 125, 108, 0.15);
}

/* =====================
   区域标签 & 标题
   ===================== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
  color: var(--accent-coral);
}

.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent-coral);
  border-radius: 2px;
}

.section-label::after {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent-teal);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 20px;
  position: relative;
}

.section-desc {
  max-width: 620px;
  opacity: 1;
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 48px;
  line-height: 1.75;
}

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

.category-card {
  background: var(--bg-card);
  border-radius: var(--r-md);
  padding: 32px 28px;
  border: 1px solid var(--line-light);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

/* 顶部胶片孔洞装饰线 */
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background-image: radial-gradient(circle at 50% 50%, rgba(255, 92, 57, 0.5) 0 2px, transparent 2.5px);
  background-size: 14px 8px;
  background-repeat: repeat-x;
  background-position: center 0;
  opacity: 0.5;
  transition: opacity 0.3s;
}

/* 卡片底部装饰横线 */
.category-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-coral), var(--accent-amber), var(--accent-teal));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s ease;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-float);
  border-color: rgba(255, 92, 57, 0.12);
}

.category-card:hover::before {
  opacity: 1;
}

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

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  background: var(--accent-coral-soft);
  color: var(--accent-coral-deep);
  transition: all 0.3s ease;
}

.category-card:hover .card-icon {
  background: var(--accent-coral);
  color: #fff;
  transform: rotate(-8deg) scale(1.08);
  box-shadow: 0 8px 20px rgba(255, 92, 57, 0.3);
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--accent-teal);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.25s;
}

.card-link::after {
  content: '→';
  display: inline-block;
  transition: transform 0.25s;
}

.card-link:hover {
  gap: 8px;
}

.card-link:hover::after {
  transform: translateX(3px);
}

/* =====================
   特性区块
   ===================== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-image {
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  border: 10px solid var(--bg-card);
  box-shadow:
    0 30px 60px rgba(193, 110, 50, 0.12),
    0 0 0 1px rgba(233, 223, 211, 0.4);
  transform: rotate(-1.5deg);
  transition: transform 0.4s, box-shadow 0.4s;
}

.feature-image:hover {
  transform: rotate(0deg) scale(1.01);
  box-shadow:
    0 40px 80px rgba(193, 110, 50, 0.18),
    0 0 0 1px rgba(233, 223, 211, 0.4);
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
  filter: sepia(0.08) saturate(1.05);
  transition: filter 0.5s;
}

.feature-image:hover img {
  filter: sepia(0) saturate(1.08);
}

/* 取景器内角框 */
.feature-image::before {
  content: '';
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 12px;
  z-index: 2;
  pointer-events: none;
  transition: inset 0.3s;
}

.feature-image:hover::before {
  inset: 10px;
}

.feature-text {
  padding: 12px 0;
}

.feature-text h3 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.feature-text p {
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 20px;
}

.feature-list {
  list-style: none;
  margin-top: 8px;
}

.feature-list li {
  padding: 9px 0;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.98rem;
  color: var(--text-primary);
}

.feature-list li::before {
  content: '✓';
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-teal);
  color: #fff;
  font-size: 0.75rem;
  flex-shrink: 0;
  box-shadow: 0 3px 8px rgba(22, 125, 108, 0.25);
}

/* =====================
   数据条 — 电影计数表
   ===================== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}

.stat-item {
  padding: 36px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-light);
  background: var(--bg-card);
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent-coral), var(--accent-amber));
  opacity: 0;
  transition: opacity 0.3s, width 0.3s;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: rgba(255, 92, 57, 0.12);
}

.stat-item:hover::before {
  opacity: 1;
  width: 60px;
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--accent-coral);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.stat-number::first-letter {
  font-size: 0.7em;
  vertical-align: super;
  color: var(--accent-amber);
}

.stat-label {
  font-size: 0.85rem;
  opacity: 1;
  color: var(--text-secondary);
  margin-top: 10px;
  letter-spacing: 1px;
  font-weight: 500;
}

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

.content-wall-item {
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line-light);
  background: var(--bg-card);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.content-wall-item::after {
  content: '★';
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(251, 247, 240, 0.85);
  color: var(--accent-amber);
  font-size: 0.85rem;
  border-radius: 50%;
  backdrop-filter: blur(4px);
  opacity: 0;
  transform: translateY(-6px) rotate(-30deg);
  transition: all 0.35s;
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-float);
  border-color: rgba(255, 92, 57, 0.1);
}

.content-wall-item:hover::after {
  opacity: 1;
  transform: translateY(0) rotate(0deg);
}

.content-wall-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease, filter 0.4s;
}

.content-wall-item:hover img {
  transform: scale(1.03);
  filter: saturate(1.1);
}

.content-wall-body {
  padding: 24px;
  border-top: 1px solid var(--line-light);
  position: relative;
}

.content-wall-item:hover .content-wall-body {
  border-top-color: rgba(255, 92, 57, 0.3);
}

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.content-wall-body p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* =====================
   FAQ 手风琴
   ===================== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--line-light);
  border-radius: var(--r-md);
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-card);
  transition: all 0.3s ease;
  position: relative;
}

.faq-item:hover {
  border-color: rgba(255, 92, 57, 0.2);
}

.faq-item.open {
  border-color: rgba(255, 92, 57, 0.3);
  box-shadow: 0 10px 30px rgba(193, 110, 50, 0.06);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  color: var(--text-primary);
  transition: color 0.25s;
}

.faq-item:hover .faq-question {
  color: var(--accent-coral);
}

.faq-item .faq-question::after {
  content: '＋';
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--accent-coral);
  transition: transform 0.35s, content 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 16px;
}

.faq-item.open .faq-question::after {
  content: '－';
  transform: rotate(180deg);
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  opacity: 1;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.75;
}

.faq-item.open .faq-answer {
  display: block;
  animation: faqFadeIn 0.35s ease;
}

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

/* =====================
   CTA 横幅
   ===================== */
.cta-banner {
  padding: 88px 48px;
  text-align: center;
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--accent-coral) 0%, #FF7A3C 45%, var(--accent-amber) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(200, 90, 40, 0.25);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  height: 180%;
  background: radial-gradient(ellipse at center top, rgba(255, 255, 255, 0.25) 0%, transparent 65%);
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.05) 0 2px, transparent 2px 14px);
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.92);
  max-width: 500px;
  margin: 0 auto 32px;
  font-size: 1.05rem;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--accent-coral-deep);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  background: #FFF;
  color: var(--accent-coral-deep);
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.18);
}

/* =====================
   页脚
   ===================== */
.site-footer {
  padding: 72px 0 32px;
  background: var(--bg-cream-deep);
  border-top: 1px solid var(--line-light);
  position: relative;
  margin-top: 8px;
}

/* 页脚顶部彩色胶片带 */
.site-footer::before {
  content: '';
  position: absolute;
  top: -4px;
  left: 0;
  right: 0;
  height: 4px;
  background: repeating-linear-gradient(90deg,
    var(--accent-coral) 0 24px,
    var(--accent-amber) 24px 48px,
    var(--accent-teal) 48px 72px
  );
  opacity: 0.45;
}

.site-footer .container {
  position: relative;
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-brand::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: var(--accent-coral);
  box-shadow: 5px 0 0 var(--accent-amber), 10px 0 0 var(--accent-teal);
  flex-shrink: 0;
}

.footer-brand p {
  font-size: 0.92rem;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 10px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-col h4 {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-primary);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.footer-col a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 4px 0;
  transition: color 0.2s, padding-left 0.2s;
  position: relative;
}

.footer-col a::before {
  content: '→';
  margin-right: 8px;
  color: var(--accent-coral);
  opacity: 0;
  display: inline-block;
  transition: opacity 0.25s, transform 0.25s;
}

.footer-col a:hover {
  color: var(--accent-coral);
  padding-left: 4px;
}

.footer-col a:hover::before {
  opacity: 1;
  transform: translateX(2px);
}

.footer-bottom {
  border-top: 1px solid rgba(180, 160, 140, 0.25);
  margin-top: 56px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.83rem;
  color: var(--text-muted);
  letter-spacing: 1px;
}

/* =====================
   工具类
   ===================== */
.text-accent {
  color: var(--accent-coral);
  text-shadow: 0 2px 24px rgba(255, 92, 57, 0.15);
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 1;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.75;
}

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

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

/* =====================
   响应式
   ===================== */
@media (max-width: 1024px) {
  .hero {
    gap: 40px;
    padding: 140px 24px 80px;
  }

  .feature-block {
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 36px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    flex-direction: column;
    padding: 120px 24px 80px;
    min-height: auto;
  }

  .hero > .container {
    flex-direction: column;
    gap: 48px;
  }

  .hero-content {
    max-width: 100%;
    text-align: center;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

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

  .hero-image {
    flex: 0 0 auto;
    max-width: 100%;
    width: 100%;
    transform: none;
    max-height: 320px;
  }

  .hero-image img {
    height: 300px;
    object-fit: cover;
  }

  .hero::after {
    display: none;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .feature-list {
    text-align: left;
    display: inline-block;
    margin: 0 auto;
  }

  .feature-image {
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-number {
    font-size: 2.2rem;
  }

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

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(251, 247, 240, 0.98);
    padding: 24px;
    gap: 18px;
    border-bottom: 1px solid var(--line-light);
    box-shadow: 0 20px 40px rgba(193, 110, 50, 0.08);
    backdrop-filter: blur(20px);
    align-items: center;
  }

  .main-nav.open a {
    font-size: 1rem;
    padding: 8px 0;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }

  .cta-banner {
    padding: 64px 28px;
  }

  .cta-banner h2 {
    font-size: 1.8rem;
  }
}

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

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

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

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

  .section {
    padding: 56px 0;
  }

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

  .stat-item {
    padding: 24px 16px;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .feature-image {
    border-width: 6px;
  }

  .hero-image {
    border-width: 6px;
  }

  .cta-banner {
    border-radius: var(--r-md);
    padding: 48px 24px;
  }

  .footer-bottom {
    margin-top: 40px;
    font-size: 0.75rem;
  }
}