/* ============================
   蜜桃网站 · 设计系统
   风格：柔光渐变 + 毛玻璃 + 蜜桃色调
   Awwwards 获奖级视觉语言
   ============================ */

/* 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: linear-gradient(145deg, #fffaf5 0%, #fff0e6 100%);
  color: #3d2c2a;
  line-height: 1.6;
}

::selection {
  background: #ff9a8b;
  color: #fff;
}

/* 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: rgba(255, 235, 225, 0.4);
  backdrop-filter: blur(4px);
}

/* 导航 — 毛玻璃蜜桃 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 245, 240, 0.72);
  backdrop-filter: blur(18px) saturate(1.2);
  border-bottom: 1px solid rgba(255, 182, 162, 0.25);
  box-shadow: 0 4px 30px rgba(255, 140, 120, 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: 700;
  font-size: 1.3rem;
  text-decoration: none;
  color: #c45a4a;
  letter-spacing: -0.02em;
  transition: 0.2s;
}

.logo:hover {
  color: #a84334;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ffb4a2, #ff8a7a);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 138, 122, 0.3);
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: #4d3a36;
  transition: 0.25s;
  position: relative;
  padding-bottom: 4px;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #ff9a8b, #fec5bb);
  transition: width 0.3s ease;
  border-radius: 2px;
}

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

.main-nav a:hover {
  color: #c45a4a;
}

.nav-cta {
  padding: 10px 24px;
  border-radius: 40px;
  color: #fff !important;
  font-weight: 600;
  background: linear-gradient(135deg, #ff8a7a, #ff6b5a);
  box-shadow: 0 6px 20px rgba(255, 107, 90, 0.25);
  transition: 0.3s;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(255, 107, 90, 0.35);
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: #c45a4a;
  cursor: pointer;
  padding: 4px;
}

/* 首页Hero — 蜜桃轻触 */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  position: relative;
  background: radial-gradient(ellipse at 80% 30%, rgba(255, 200, 185, 0.3) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 70%, rgba(255, 230, 215, 0.4) 0%, transparent 50%);
}

.hero::before {
  content: '🍑';
  position: absolute;
  font-size: 28rem;
  opacity: 0.04;
  right: -5%;
  bottom: -10%;
  transform: rotate(12deg);
  pointer-events: none;
}

.hero-content {
  max-width: 720px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 40px;
  background: rgba(255, 182, 162, 0.3);
  color: #b24e3e;
  margin-bottom: 20px;
  border: 1px solid rgba(255, 182, 162, 0.3);
  backdrop-filter: blur(2px);
}

.hero h1 {
  font-size: 3.6rem;
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #3d2c2a 0%, #c45a4a 60%, #ff8a7a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.65;
  max-width: 560px;
  margin-bottom: 36px;
  color: #5a4440;
  font-weight: 400;
}

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

.hero-image {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(255, 138, 122, 0.15);
  background: linear-gradient(145deg, #ffe8df, #ffd6c9);
}

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

/* 按钮 — 蜜桃触感 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 40px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  font-size: 0.95rem;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #ff8a7a, #ff6b5a);
  box-shadow: 0 6px 24px rgba(255, 107, 90, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 36px rgba(255, 107, 90, 0.4);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid #d99b8e;
  color: #b24e3e;
  box-shadow: none;
}

.btn-outline:hover {
  background: rgba(255, 182, 162, 0.15);
  border-color: #c45a4a;
  transform: translateY(-2px);
}

/* 标签 / 标题 */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 12px;
  color: #c45a4a;
  padding: 4px 0;
  border-bottom: 2px solid rgba(255, 138, 122, 0.3);
}

.section-title {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  color: #3d2c2a;
  line-height: 1.2;
}

.section-desc {
  max-width: 600px;
  opacity: 0.65;
  margin-bottom: 48px;
  font-size: 1.05rem;
  color: #5a4440;
}

/* 卡片网格 — 毛玻璃卡片 */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: 24px;
  padding: 32px 28px;
  background: rgba(255, 245, 240, 0.6);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 200, 185, 0.3);
  transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 4px 20px rgba(255, 138, 122, 0.06);
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(255, 138, 122, 0.15);
  border-color: rgba(255, 182, 162, 0.5);
  background: rgba(255, 245, 240, 0.85);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, #ffd6c9, #ffb4a2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  color: #a84334;
  box-shadow: 0 4px 12px rgba(255, 138, 122, 0.15);
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: #c45a4a;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: 0.2s;
}

.card-link:hover {
  gap: 12px;
  color: #a84334;
}

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

.feature-image {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(255, 138, 122, 0.1);
  background: linear-gradient(145deg, #ffe8df, #ffd6c9);
}

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

.feature-text {
  padding: 8px 0;
}

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

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: #4d3a36;
}

.feature-list li::before {
  content: '🍑';
  font-weight: 700;
  font-size: 1.1rem;
}

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

.stat-item {
  padding: 32px 20px;
  border-radius: 24px;
  background: rgba(255, 245, 240, 0.5);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 200, 185, 0.25);
  transition: 0.3s;
}

.stat-item:hover {
  background: rgba(255, 245, 240, 0.8);
  border-color: rgba(255, 182, 162, 0.4);
  transform: translateY(-3px);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, #c45a4a, #ff8a7a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  color: #5a4440;
  font-weight: 500;
}

/* 内容墙 */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 24px;
  overflow: hidden;
  background: rgba(255, 245, 240, 0.5);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 200, 185, 0.2);
  transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(255, 138, 122, 0.12);
  border-color: rgba(255, 182, 162, 0.4);
}

.content-wall-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: 0.4s;
}

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

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

.content-wall-body h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: #3d2c2a;
}

.content-wall-body p {
  opacity: 0.6;
  font-size: 0.9rem;
  color: #5a4440;
}

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

.faq-item {
  border: 1px solid rgba(255, 200, 185, 0.3);
  border-radius: 18px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: rgba(255, 245, 240, 0.4);
  backdrop-filter: blur(6px);
  transition: 0.25s;
}

.faq-item:hover {
  border-color: rgba(255, 182, 162, 0.5);
  background: rgba(255, 245, 240, 0.7);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #3d2c2a;
  font-size: 1.05rem;
}

.faq-item .faq-question::after {
  content: '↓';
  font-size: 1.2rem;
  transition: 0.3s;
  color: #c45a4a;
}

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

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  opacity: 0.7;
  color: #5a4440;
  line-height: 1.7;
}

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

@keyframes fadeSlide {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 0.7;
    transform: translateY(0);
  }
}

/* CTA横幅 — 渐变蜜桃 */
.cta-banner {
  padding: 64px 32px;
  text-align: center;
  border-radius: 32px;
  background: linear-gradient(135deg, #ff8a7a 0%, #ff6b5a 50%, #e85d4a 100%);
  color: #fff;
  box-shadow: 0 20px 60px rgba(255, 107, 90, 0.3);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '🍑';
  position: absolute;
  font-size: 12rem;
  opacity: 0.06;
  right: -5%;
  bottom: -20%;
  transform: rotate(-15deg);
}

.cta-banner h2 {
  color: #fff;
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
  z-index: 2;
}

.cta-banner p {
  opacity: 0.85;
  margin-bottom: 28px;
  font-size: 1.1rem;
  position: relative;
  z-index: 2;
}

.cta-banner .btn-primary {
  background: #fff;
  color: #c45a4a !important;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.12);
}

/* 页脚 */
.site-footer {
  padding: 64px 0 32px;
  background: rgba(255, 235, 225, 0.3);
  backdrop-filter: blur(4px);
  border-top: 1px solid rgba(255, 200, 185, 0.2);
  color: #4d3a36;
}

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

.footer-brand p {
  opacity: 0.6;
  font-size: 0.9rem;
  margin-top: 12px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: #3d2c2a;
  letter-spacing: 1px;
}

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

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

.footer-col ul li a {
  text-decoration: none;
  color: #5a4440;
  opacity: 0.65;
  font-size: 0.9rem;
  transition: 0.2s;
}

.footer-col ul li a:hover {
  opacity: 1;
  color: #c45a4a;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 200, 185, 0.25);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.5;
  color: #5a4440;
}

/* 工具类 */
.text-accent {
  color: #c45a4a;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.65;
  color: #5a4440;
  font-size: 1.05rem;
}

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

/* ============================
   响应式设计
   ============================ */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.4rem;
  }

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

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

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

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(255, 245, 240, 0.98);
    backdrop-filter: blur(18px);
    padding: 24px 20px;
    gap: 16px;
    border-bottom: 1px solid rgba(255, 182, 162, 0.2);
    box-shadow: 0 20px 40px rgba(0,0,0,0.04);
  }

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

  .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;
    gap: 24px;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 12px;
  }

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

  .hero {
    min-height: 60vh;
  }

  .section {
    padding: 60px 0;
  }

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