/* ============================================================
   蜜桃传媒 · 桃气美学设计系统
   "蜜传天下，桃醉人间"
   暖桃奶油 × 薄荷点缀 × 有机流体造型
   ============================================================ */

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

:root {
  --peach-50: #FFF8F3;
  --peach-100: #FFEFE6;
  --peach-200: #FFE0D1;
  --peach-300: #FFD1C7;
  --peach-400: #FFB88C;
  --peach-500: #FF8A65;
  --peach-600: #FF6B6B;
  --peach-gold: #FFC46B;
  --mint-300: #A8E6CF;
  --mint-400: #5EC9A7;
  --cocoa: #5C3A2E;
  --cocoa-muted: #8B6B5C;
  --peach-shadow: rgba(255, 107, 107, 0.18);
}

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  color: var(--cocoa);
  line-height: 1.7;
  background:
    radial-gradient(ellipse 40% 30% at 15% 90%, rgba(255, 138, 101, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse 30% 25% at 85% 15%, rgba(255, 196, 107, 0.06) 0%, transparent 50%),
    var(--peach-50);
}

::selection {
  background: rgba(255, 138, 101, 0.25);
  color: var(--cocoa);
}

/* 滚动条蜜桃质感 */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--peach-100); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #FFB88C, #FF8A65);
  border-radius: 12px;
}

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

.section {
  padding: 100px 0;
  position: relative;
}

.section:nth-child(even) {
  background: linear-gradient(180deg, #FFF0E8, #FFE8DA);
}

/* ========== 导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 248, 243, 0.82);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255, 209, 199, 0.35);
}

.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: 1.3rem;
  text-decoration: none;
  color: var(--cocoa);
  letter-spacing: 1px;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, #FF8A65, #FF6B6B);
  color: #fff;
  box-shadow: 0 6px 16px rgba(255, 107, 107, 0.35);
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--cocoa-muted);
  padding: 6px 0;
  position: relative;
  transition: color 0.25s ease;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  border-radius: 4px;
  background: linear-gradient(90deg, #FF8A65, #FF6B6B);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-nav a:hover {
  color: var(--peach-500);
}

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

.nav-cta {
  padding: 10px 26px;
  border-radius: 50px;
  color: #fff !important;
  font-weight: 700;
  background: linear-gradient(135deg, #FF8A65, #FF6B6B);
  box-shadow: 0 6px 18px rgba(255, 107, 107, 0.35);
}

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

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(255, 107, 107, 0.45);
  color: #fff !important;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--peach-100), var(--peach-200));
  border: 1px solid rgba(255, 138, 101, 0.2);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--peach-500);
}

/* ========== Hero 区域 ========== */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 50% at 85% 25%, rgba(255, 196, 107, 0.4) 0%, transparent 60%),
    radial-gradient(ellipse 45% 55% at 10% 85%, rgba(255, 107, 107, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse 35% 35% at 55% 50%, rgba(255, 209, 199, 0.35) 0%, transparent 70%),
    linear-gradient(135deg, #FFF8F3 0%, #FFEFE6 50%, #FFE0D1 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 18%;
  left: 8%;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #FFE8B5, #FFC46B);
  opacity: 0.45;
  filter: blur(1px);
  animation: peach-float 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 18%;
  right: 6%;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #FFD1C7, #FF6B6B);
  opacity: 0.35;
  animation: peach-float-slow 12s ease-in-out infinite;
}

.hero .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  width: 100%;
  flex-wrap: wrap;
}

.hero-content {
  flex: 1;
  max-width: 680px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 6px 20px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 138, 101, 0.2);
  color: var(--peach-500);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-bottom: 22px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
  color: var(--cocoa);
}

.hero p {
  font-size: 1.15rem;
  color: var(--cocoa-muted);
  opacity: 0.95;
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.8;
}

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

/* 蜜桃有机流体造型 */
.hero-image {
  flex-shrink: 0;
  width: 420px;
  height: 420px;
  border-radius: 48% 52% 58% 42% / 45% 42% 58% 55%;
  overflow: hidden;
  position: relative;
  background: linear-gradient(145deg, #FFD1A9, #FF8A65 55%, #FF6B6B);
  box-shadow:
    24px 32px 60px rgba(255, 107, 107, 0.28),
    inset 0 -20px 40px rgba(255, 107, 107, 0.18);
  animation: peach-float 6s ease-in-out infinite;
}

.hero-image::before {
  content: '';
  position: absolute;
  top: 12px;
  right: 22%;
  width: 62px;
  height: 32px;
  background: linear-gradient(120deg, var(--mint-300), var(--mint-400));
  border-radius: 80% 0 80% 0;
  transform: rotate(-10deg);
  z-index: 2;
  box-shadow: 0 4px 12px rgba(94, 201, 167, 0.35);
}

.hero-image::after {
  content: '';
  position: absolute;
  bottom: 16%;
  right: 8%;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #FFE8B5, #FFC46B 70%);
  box-shadow: 0 8px 20px rgba(255, 196, 107, 0.45);
  opacity: 0.9;
  z-index: 2;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 1;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.92rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #FF8A65, #FF6B6B);
  color: #fff;
  box-shadow: 0 8px 24px rgba(255, 107, 107, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(255, 107, 107, 0.45);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.55);
  border: 2px solid rgba(255, 138, 101, 0.5);
  color: var(--peach-500);
  box-shadow: 0 4px 14px rgba(255, 138, 101, 0.08);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: #fff;
  border-color: var(--peach-500);
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(255, 138, 101, 0.18);
}

/* ========== 标签与标题 ========== */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 16px;
  color: var(--peach-500);
  text-transform: uppercase;
  background: rgba(255, 138, 101, 0.1);
  padding: 6px 18px;
  border-radius: 50px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 900;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
  color: var(--cocoa);
  line-height: 1.2;
}

.section-desc {
  max-width: 620px;
  color: var(--cocoa-muted);
  opacity: 0.95;
  margin-bottom: 48px;
  line-height: 1.8;
}

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

.category-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 24px;
  padding: 32px;
  border: 1px solid rgba(255, 209, 199, 0.4);
  box-shadow: 0 8px 28px rgba(255, 138, 101, 0.06);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-card:hover {
  transform: translateY(-6px) rotate(-1deg);
  box-shadow: 0 20px 48px rgba(255, 107, 107, 0.16);
  border-color: rgba(255, 138, 101, 0.3);
  background: rgba(255, 255, 255, 0.95);
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, #FFEFE6, #FFD1C7);
  box-shadow: 0 4px 14px rgba(255, 138, 101, 0.16);
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--peach-500);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.25s ease, color 0.25s ease;
}

.card-link:hover {
  gap: 10px;
  color: var(--peach-600);
}

/* ========== 特性区块 ========== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.feature-image {
  border-radius: 28px;
  overflow: hidden;
  position: relative;
  box-shadow: 16px 20px 48px rgba(255, 138, 101, 0.16);
}

.feature-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(255, 138, 101, 0.08), transparent 50%);
  pointer-events: none;
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s ease;
}

.feature-image:hover img {
  transform: scale(1.03);
}

.feature-text h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 14px;
  color: var(--cocoa);
  line-height: 1.3;
}

.feature-text p {
  color: var(--cocoa-muted);
  line-height: 1.8;
  margin-bottom: 12px;
}

.feature-list {
  list-style: none;
  margin-top: 20px;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 500;
  color: var(--cocoa);
  font-size: 0.95rem;
}

.feature-list li::before {
  content: '✓';
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FF8A65, #FF6B6B);
  box-shadow: 0 3px 10px rgba(255, 107, 107, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 900;
  color: #fff;
  flex-shrink: 0;
  line-height: 1;
}

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

.stat-item {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 26px;
  padding: 36px 20px;
  border: 1px solid rgba(255, 209, 199, 0.3);
  box-shadow: 0 10px 30px rgba(255, 138, 101, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 44px rgba(255, 107, 107, 0.14);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.2;
  background: linear-gradient(135deg, #FF8A65, #FF6B6B);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--cocoa-muted);
  margin-top: 8px;
  font-weight: 500;
}

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

.content-wall-item {
  background: #fff;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(255, 209, 199, 0.3);
  box-shadow: 0 10px 28px rgba(255, 138, 101, 0.06);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.content-wall-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 22px 52px rgba(255, 107, 107, 0.16);
  border-color: rgba(255, 138, 101, 0.3);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.content-wall-item:hover img {
  transform: scale(1.06);
}

.content-wall-body {
  padding: 26px;
}

.content-wall-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--cocoa);
}

.content-wall-body p {
  color: var(--cocoa-muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

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

.faq-item {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 209, 199, 0.4);
  border-radius: 18px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(255, 138, 101, 0.4);
  box-shadow: 0 6px 20px rgba(255, 138, 101, 0.1);
}

.faq-item.open {
  border-color: rgba(255, 138, 101, 0.5);
  box-shadow: 0 12px 32px rgba(255, 138, 101, 0.14);
}

.faq-item .faq-question {
  padding: 22px 26px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  color: var(--cocoa);
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--peach-500);
  transition: transform 0.35s ease;
  flex-shrink: 0;
  margin-left: 16px;
  line-height: 1;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
  color: var(--peach-600);
}

.faq-item .faq-answer {
  padding: 0 26px 22px;
  display: none;
  color: var(--cocoa-muted);
  line-height: 1.8;
  font-size: 0.92rem;
}

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

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

/* ========== CTA 横幅 ========== */
.cta-banner {
  position: relative;
  padding: 80px 48px;
  text-align: center;
  border-radius: 36px;
  background: linear-gradient(135deg, #FF8A65 0%, #FF6B6B 50%, #FFC46B 100%);
  box-shadow: 0 28px 60px rgba(255, 107, 107, 0.35);
  overflow: hidden;
  color: #fff;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -70px;
  right: -70px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: -50px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.cta-banner h2 {
  color: #fff;
  font-size: 2.4rem;
  font-weight: 900;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
  letter-spacing: -0.5px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.92);
  max-width: 520px;
  margin: 0 auto 36px;
  font-size: 1.05rem;
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--peach-600);
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 40px rgba(255, 255, 255, 0.4);
}

/* ========== 页脚 ========== */
.site-footer {
  padding: 80px 0 32px;
  background: linear-gradient(135deg, #FFEFE6, #FFF8F3);
  border-top: 1px solid rgba(255, 209, 199, 0.4);
  margin-top: 40px;
}

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

.footer-brand p {
  color: var(--cocoa-muted);
  margin-top: 16px;
  font-size: 0.9rem;
  line-height: 1.9;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--cocoa);
}

.footer-col a {
  display: block;
  color: var(--cocoa-muted);
  text-decoration: none;
  padding: 6px 0;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.footer-col a:hover {
  color: var(--peach-500);
  padding-left: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 209, 199, 0.5);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--cocoa-muted);
}

/* ========== 工具类 ========== */
.text-accent {
  color: var(--peach-500);
  font-weight: 700;
}

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

.seo-description {
  max-width: 620px;
  margin: 0 auto 52px;
  color: var(--cocoa-muted);
  line-height: 1.9;
}

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

/* ========== 动画 ========== */
@keyframes peach-float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-16px) rotate(2deg);
  }
}

@keyframes peach-float-slow {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-12px) scale(1.1);
  }
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }

  .hero .container {
    flex-direction: column;
    text-align: center;
    padding-top: 110px;
  }

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

  .hero h1 {
    font-size: 2.2rem;
  }

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

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

  .hero-image {
    width: 290px;
    height: 290px;
    margin: 20px auto 0;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 44px;
  }

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

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

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(255, 248, 243, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 28px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 209, 199, 0.4);
    box-shadow: 0 24px 48px rgba(255, 138, 101, 0.12);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    width: 100%;
    padding: 12px 0;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255, 209, 199, 0.15);
  }

  .main-nav a:last-child {
    border-bottom: none;
  }

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

  .menu-toggle {
    display: flex;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .cta-banner {
    padding: 56px 28px;
    border-radius: 24px;
  }

  .cta-banner h2 {
    font-size: 1.7rem;
  }

  .hero::before {
    width: 60px;
    height: 60px;
  }

  .hero::after {
    width: 36px;
    height: 36px;
  }
}

@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;
    align-items: stretch;
  }

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

  .hero h1 {
    font-size: 1.9rem;
  }

  .hero-image {
    width: 220px;
    height: 220px;
  }

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

  .cta-banner {
    padding: 42px 20px;
  }

  .cta-banner h2 {
    font-size: 1.4rem;
  }

  .feature-block {
    gap: 32px;
  }

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