```css
/* ==========================================================
   蜜桃视频 · "蜜桃叠层" 设计系统
   Organic Peach Gradient × Neo-Brutalist Hard Shadow
   暖调奶油基底 + 蜜桃珊瑚渐层 + 润泽青绿点缀
   ========================================================== */

:root {
  --cream-50: #FFFBF7;
  --cream-100: #FFF3EA;
  --peach-100: #FFE9D6;
  --peach-200: #FFD5B6;
  --peach-300: #FFBD8C;
  --peach-400: #FF9C6A;
  --peach-500: #FF7D4D;
  --coral-500: #FF5E3A;
  --coral-600: #E84727;
  --teal-500: #1E7A6B;
  --teal-400: #2E9E8C;
  --teal-100: #D3EFE9;
  --honey-400: #F2B84B;
  --ink-800: #3D2B1F;
  --ink-600: #5C4633;
  --ink-400: #8B7262;
  --ink-200: #D6C7BB;
  --white: #FFFFFF;

  --shadow-soft: 6px 6px 0 rgba(255, 125, 77, 0.14);
  --shadow-strong: 10px 10px 0 var(--peach-200);
  --shadow-coral: 6px 6px 0 rgba(255, 94, 58, 0.3);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

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

html {
  scroll-behavior: smooth;
}

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

body {
  font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
  color: var(--ink-800);
  background: var(--cream-50);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(255, 125, 77, 0.045) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 9999;
}

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

.section {
  padding: 80px 0;
  position: relative;
  scroll-margin-top: 72px;
}

.section:nth-child(even) {
  background: var(--cream-100);
}

/* 固定顶栏 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 251, 247, 0.82);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid var(--peach-200);
  box-shadow: 0 1px 20px rgba(255, 125, 77, 0.06);
}

.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: 800;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--ink-800);
  letter-spacing: -0.01em;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 15px 15px 15px 5px;
  background: linear-gradient(135deg, var(--peach-400), var(--coral-500));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 3px 3px 0 rgba(255, 94, 58, 0.28);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-600);
  padding: 4px 2px;
  position: relative;
  transition: color 0.25s ease;
}

.main-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--peach-400), var(--coral-500));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.main-nav a:not(.nav-cta):hover {
  color: var(--coral-500);
}

.main-nav a:not(.nav-cta):hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  padding: 8px 22px;
  border-radius: 50px;
  color: #fff !important;
  font-weight: 600;
  background: linear-gradient(135deg, var(--peach-400), var(--coral-500));
  box-shadow: 3px 3px 0 rgba(255, 94, 58, 0.25);
  transition: all 0.3s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 5px 5px 0 rgba(255, 94, 58, 0.3);
}

.menu-toggle {
  display: none;
  background: var(--white);
  border: 2px solid var(--peach-200);
  border-radius: var(--radius-sm);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--coral-500);
  font-size: 1.3rem;
  box-shadow: 2px 2px 0 var(--peach-100);
  transition: all 0.3s ease;
  line-height: 1;
}

.menu-toggle:hover {
  border-color: var(--peach-400);
  transform: translateY(-1px);
}

/* ========== 首页 Hero ========== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 64px;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 42% 58% 50% 50%;
  background: radial-gradient(circle, rgba(255, 157, 107, 0.30), transparent 65%);
  top: 0;
  right: -100px;
  z-index: 0;
  animation: heroBlobFloat 8s ease-in-out infinite alternate;
}

.hero::after {
  content: '';
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 60% 40% 55% 45%;
  background: radial-gradient(circle, rgba(255, 217, 188, 0.5), transparent 65%);
  bottom: 5%;
  left: -60px;
  z-index: 0;
  animation: heroBlobFloat 10s ease-in-out infinite alternate-reverse;
}

@keyframes heroBlobFloat {
  from { transform: translateY(0) rotate(0deg); }
  to   { transform: translateY(-18px) rotate(6deg); }
}

.hero-content,
.hero-image {
  position: relative;
  z-index: 1;
}

.hero-content {
  flex: 1;
  max-width: 620px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  background: var(--peach-100);
  color: var(--coral-600);
  box-shadow: 2px 2px 0 rgba(255, 94, 58, 0.15);
}

.hero h1 {
  font-size: clamp(2.8rem, 5.5vw, 4.6rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--ink-800);
  margin-bottom: 22px;
}

.hero p {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--ink-600);
  opacity: 0.9;
  max-width: 540px;
  margin-bottom: 36px;
}

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

.hero-image {
  flex: 0 1 440px;
  height: 440px;
  border-radius: 58% 42% 33% 67% / 56% 34% 66% 44%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--peach-200), var(--peach-400));
  box-shadow: 14px 14px 0 var(--peach-200);
  transform: rotate(4deg);
  transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-image:hover {
  transform: rotate(0deg) scale(1.02);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-primary {
  background: linear-gradient(135deg, var(--peach-400), var(--coral-500));
  color: var(--white);
  box-shadow: 5px 5px 0 rgba(255, 94, 58, 0.3);
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(255, 94, 58, 0.35);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--peach-400);
  color: var(--coral-500);
  box-shadow: 3px 3px 0 rgba(255, 157, 107, 0.2);
}

.btn-outline:hover {
  background: var(--peach-100);
  border-color: var(--coral-500);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(255, 94, 58, 0.25);
}

/* ========== 标题 / 标签 ========== */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 14px;
  padding: 6px 16px;
  border-radius: 50px;
  background: var(--peach-100);
  color: var(--coral-500);
  box-shadow: 2px 2px 0 rgba(255, 125, 77, 0.1);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink-800);
  margin-bottom: 16px;
}

.section-desc {
  max-width: 600px;
  color: var(--ink-600);
  opacity: 0.85;
  margin-bottom: 48px;
  font-size: 1.02rem;
  line-height: 1.7;
}

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

.category-card {
  background: var(--white);
  border: 2px solid var(--peach-200);
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  position: relative;
  overflow: hidden;
  box-shadow: 6px 6px 0 var(--peach-100);
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.category-card::before {
  content: '';
  position: absolute;
  top: -30px;
  right: -30px;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 157, 107, 0.22), transparent 70%);
  transition: transform 0.4s ease;
  transform: scale(0.6);
  opacity: 0;
}

.category-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 12px 12px 0 var(--peach-200);
  border-color: var(--peach-400);
}

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

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px 16px 16px 5px;
  background: linear-gradient(135deg, var(--peach-100), var(--peach-300));
  color: var(--coral-500);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  box-shadow: 3px 3px 0 rgba(255, 125, 77, 0.14);
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--coral-500);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  transition: gap 0.3s ease;
}

.card-link::after {
  content: '→';
  transition: transform 0.3s ease;
  font-size: 1rem;
}

.card-link:hover {
  gap: 10px;
}

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

.feature-image {
  border-radius: 42% 58% 45% 55% / 50% 45% 55% 50%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--peach-200), var(--peach-300));
  box-shadow: 12px 12px 0 var(--peach-100);
  transform: rotate(-2deg);
  transition: transform 0.45s ease, box-shadow 0.45s ease;
}

.feature-image:hover {
  transform: rotate(0deg) scale(1.015);
  box-shadow: 16px 16px 0 var(--peach-200);
}

.feature-image img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}

.feature-text {
  font-size: 1.02rem;
  color: var(--ink-600);
  line-height: 1.75;
}

.feature-text p {
  margin-bottom: 24px;
}

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

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1rem;
  color: var(--ink-600);
  font-weight: 500;
}

.feature-list li::before {
  content: '✓';
  font-weight: 800;
  color: var(--teal-500);
  background: var(--teal-100);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
}

/* ========== 数据条 ========== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  text-align: center;
}

.stat-item {
  background: var(--white);
  border: 2px solid var(--peach-100);
  border-radius: var(--radius-lg);
  padding: 28px 16px;
  box-shadow: 5px 5px 0 var(--peach-100);
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

.stat-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40%;
  height: 3px;
  background: linear-gradient(90deg, var(--peach-400), var(--coral-500));
  border-radius: 3px 3px 0 0;
  opacity: 0;
  transition: opacity 0.3s ease, width 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 10px 10px 0 var(--peach-200);
  border-color: var(--peach-300);
}

.stat-item:hover::after {
  opacity: 1;
  width: 70%;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--peach-500), var(--coral-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.65;
  margin-top: 8px;
  color: var(--ink-600);
}

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

.content-wall-item {
  background: var(--white);
  border: 2px solid var(--peach-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 6px 6px 0 rgba(255, 125, 77, 0.12);
  transition: all 0.35s ease;
  position: relative;
}

.content-wall-item:hover {
  transform: translateY(-5px);
  box-shadow: 12px 12px 0 rgba(255, 125, 77, 0.22);
  border-color: var(--peach-300);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.content-wall-item:hover img {
  transform: scale(1.05);
}

.content-wall-item::after {
  content: '▶';
  position: absolute;
  top: 92px;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--coral-500);
  font-size: 0.8rem;
  opacity: 0;
  transition: all 0.35s ease;
  box-shadow: 0 4px 16px rgba(255, 94, 58, 0.3);
  z-index: 2;
  text-indent: 2px;
}

.content-wall-item:hover::after {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.content-wall-body {
  padding: 20px 22px 24px;
}

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink-800);
  margin-bottom: 6px;
}

.content-wall-body p {
  font-size: 0.88rem;
  color: var(--ink-400);
  line-height: 1.6;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 2px solid var(--peach-200);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--peach-400);
  box-shadow: 4px 4px 0 var(--peach-100);
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--ink-800);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--coral-500);
  transition: transform 0.35s ease;
  line-height: 1;
}

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

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  color: var(--ink-600);
  opacity: 0.9;
  font-size: 0.95rem;
  line-height: 1.75;
}

.faq-item.open {
  background: var(--cream-100);
  border-color: var(--peach-400);
}

.faq-item.open .faq-answer {
  display: block;
  animation: faqSlideDown 0.3s ease;
}

@keyframes faqSlideDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ========== CTA 横幅 ========== */
.cta-banner {
  padding: 64px 48px;
  text-align: center;
  border-radius: 32px;
  background: linear-gradient(135deg, var(--peach-400), var(--coral-500));
  color: var(--white);
  position: relative;
  overflow: hidden;
  box-shadow: 12px 12px 0 var(--peach-200);
}

.cta-banner::before {
  content: '🍑';
  position: absolute;
  font-size: 7rem;
  top: 50%;
  left: 6%;
  transform: translateY(-55%) rotate(-18deg);
  opacity: 0.15;
  filter: saturate(0);
}

.cta-banner::after {
  content: '🍑';
  position: absolute;
  font-size: 5rem;
  bottom: -26px;
  right: 8%;
  transform: rotate(22deg);
  opacity: 0.12;
  filter: saturate(0);
}

.cta-banner h2 {
  color: var(--white) !important;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
  letter-spacing: -0.01em;
}

.cta-banner .btn-primary {
  background: var(--white);
  color: var(--coral-500);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  box-shadow: 7px 7px 0 rgba(0, 0, 0, 0.16);
  transform: translate(-2px, -2px);
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--peach-100);
  padding: 64px 0 30px;
  margin-top: 40px;
  border-top: 3px solid var(--peach-200);
}

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

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

.footer-brand p {
  color: var(--ink-600);
  font-size: 0.92rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  color: var(--ink-800);
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--peach-400), var(--coral-500));
  border-radius: 2px;
}

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

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

.footer-col a {
  color: var(--ink-600);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  display: inline-block;
}

.footer-col a:hover {
  color: var(--coral-500);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 2px solid rgba(255, 125, 77, 0.18);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--ink-400);
}

/* ========== 工具类 ========== */
.text-accent {
  background: linear-gradient(135deg, var(--peach-500), var(--coral-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  font-weight: inherit;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  color: var(--ink-600);
  opacity: 0.85;
  font-size: 1.02rem;
  line-height: 1.75;
}

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

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

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

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

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

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(255, 251, 247, 0.98);
    padding: 24px;
    gap: 18px;
    border-bottom: 2px solid var(--peach-200);
    box-shadow: 0 14px 30px rgba(255, 125, 77, 0.16);
    backdrop-filter: blur(18px);
  }

  .main-nav.open .nav-cta {
    align-self: flex-start;
  }

  .hero {
    flex-direction: column;
    padding: 100px 0 60px;
    gap: 40px;
    text-align: center;
  }

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

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

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

  .hero-image {
    width: 100%;
    max-width: 360px;
    height: 340px;
  }

  .cta-banner {
    padding: 48px 28px;
    border-radius: 24px;
  }

  .cta-banner h2 {
    font-size: 1.6rem;
  }
}

@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;
    width: 100%;
  }

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

  .hero h1 {
    font-size: 2.3rem;
  }

  .hero-image {
    height: 280px;
    border-radius: 50% 50% 45% 55% / 55% 45% 55% 45%;
  }

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

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

  .cta-banner {
    padding: 40px 20px;
  }
}