/* ===== 香蕉漫画 · 香蕉乐园视觉系统 ===== */
:root {
  --banana: #FFD900;
  --banana-deep: #F5B800;
  --cream: #FFFDF7;
  --cream-tint: #FFF6E5;
  --cream-tint-2: #FFF0C8;
  --lime: #8CC63F;
  --coral: #FF6B4A;
  --cocoa: #3D2B1F;
  --cocoa-light: #7A6A5A;
  --border-soft: #ECE3D0;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background-color: var(--cream);
  background-image: radial-gradient(rgba(255, 217, 0, 0.10) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
  color: var(--cocoa);
  line-height: 1.6;
}

::selection {
  background: var(--banana);
  color: var(--cocoa);
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

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

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

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

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 253, 247, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 2px solid rgba(255, 217, 0, 0.4);
  box-shadow: 0 2px 24px rgba(61, 43, 31, 0.06);
}

.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: 10px;
  font-weight: 900;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--cocoa);
  letter-spacing: -0.5px;
  font-style: italic;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--banana) 0%, #FFE566 100%);
  border: 2px solid var(--cocoa);
  box-shadow: 2px 2px 0 var(--cocoa);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: 0.2s;
  color: var(--cocoa);
  position: relative;
  padding: 4px 2px;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--banana);
  border-radius: 3px;
  transition: width 0.3s ease;
}

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

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

.nav-cta {
  background: var(--banana);
  border: 2px solid var(--cocoa);
  border-radius: 50px;
  box-shadow: 2px 2px 0 var(--cocoa);
  color: var(--cocoa) !important;
  font-weight: 800 !important;
  padding: 8px 22px !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease !important;
}

.nav-cta:hover {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--cocoa);
}

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

.menu-toggle {
  display: none;
}

/* ===== Hero ===== */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--cream) 0%, var(--cream-tint) 50%, var(--cream-tint-2) 100%);
}

.hero::before {
  content: '🍌';
  position: absolute;
  top: 12%;
  right: 8%;
  font-size: 5rem;
  opacity: 0.35;
  transform: rotate(25deg);
  animation: float 4s ease-in-out infinite;
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 217, 0, 0.25) 2px, transparent 3px);
  background-size: 20px 20px;
  pointer-events: none;
}

.hero .container {
  display: flex;
  align-items: center;
  gap: 60px;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-content {
  flex: 1;
  max-width: none;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 900;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 18px;
  background: var(--lime);
  color: var(--cocoa);
  border: 2px solid var(--cocoa);
  box-shadow: 2px 2px 0 var(--cocoa);
  text-transform: uppercase;
  letter-spacing: 2px;
  transform: rotate(-2deg);
}

.hero-content h1 {
  font-size: 4.4rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 22px;
  color: var(--cocoa);
  font-style: italic;
  letter-spacing: -2px;
  position: relative;
  z-index: 1;
}

.hero-content h1::after {
  content: '';
  position: absolute;
  left: -6px;
  bottom: 0.08em;
  width: 100%;
  height: 0.22em;
  background: linear-gradient(90deg, rgba(255, 217, 0, 0.7) 0%, rgba(255, 217, 0, 0.7) 70%, transparent 100%);
  z-index: -1;
  border-radius: 4px;
  transform: rotate(-0.8deg);
}

.hero-content p {
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--cocoa-light);
  max-width: 500px;
  margin-bottom: 36px;
  line-height: 1.7;
}

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

.hero-buttons .btn {
  padding: 14px 32px;
}

.hero-image {
  flex: 1;
  border: 3px solid var(--cocoa);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 8px 8px 0 var(--banana);
  transform: rotate(2deg);
  transition: transform 0.3s ease;
}

.hero-image:hover {
  transform: rotate(0deg) translateY(-4px);
}

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

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(25deg); }
  50% { transform: translateY(-14px) rotate(18deg); }
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 50px;
  font-weight: 800;
  font-size: 0.95rem;
  cursor: pointer;
  border: 3px solid var(--cocoa);
  text-decoration: none;
  transition: all 0.15s ease;
  box-shadow: 3px 3px 0 var(--cocoa);
  letter-spacing: 0.3px;
  font-family: inherit;
}

.btn-primary {
  background: var(--banana);
  color: var(--cocoa);
}

.btn-primary:hover {
  background: var(--banana-deep);
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--cocoa);
}

.btn-primary:active {
  transform: translate(3px, 3px);
  box-shadow: 0 0 0 var(--cocoa);
}

.btn-outline {
  background: transparent;
  border: 3px solid var(--cocoa);
  color: var(--cocoa);
  box-shadow: 3px 3px 0 var(--cocoa);
}

.btn-outline:hover {
  background: var(--cream);
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--cocoa);
}

.btn-outline:active {
  transform: translate(3px, 3px);
  box-shadow: 0 0 0 var(--cocoa);
}

/* ===== 标签/标题 ===== */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 2px;
  margin-bottom: 14px;
  background: var(--banana);
  color: var(--cocoa);
  padding: 5px 16px;
  border: 2px solid var(--cocoa);
  border-radius: 40px;
  box-shadow: 2px 2px 0 var(--cocoa);
  text-transform: uppercase;
  transform: rotate(-1.5deg);
}

.section-title {
  font-size: 2.6rem;
  font-weight: 900;
  margin-bottom: 16px;
  color: var(--cocoa);
  font-style: italic;
  letter-spacing: -1px;
  line-height: 1.2;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 54px;
  height: 5px;
  background: var(--banana);
  border-radius: 4px;
}

.text-center .section-title::after {
  left: 50%;
  transform: translateX(-50%);
}

.section-desc {
  max-width: 600px;
  margin-bottom: 48px;
  font-size: 1.05rem;
  color: var(--cocoa-light);
  border-left: 4px solid var(--banana);
  padding-left: 16px;
  border-radius: 0;
}

/* ===== 卡片网格 ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 26px;
}

.category-card {
  background: #fff;
  border: 3px solid var(--cocoa);
  border-radius: 24px;
  padding: 30px 28px;
  box-shadow: 4px 4px 0 var(--cocoa);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
  position: relative;
}

.category-card:nth-child(odd) {
  transform: rotate(-0.6deg);
}

.category-card:nth-child(even) {
  transform: rotate(0.6deg);
}

.category-card:hover {
  transform: translateY(-6px) rotate(0deg);
  box-shadow: 7px 7px 0 var(--cocoa);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.5rem;
  background: var(--banana);
  border: 2px solid var(--cocoa);
  box-shadow: 2px 2px 0 var(--cocoa);
}

.category-card:nth-child(3n+2) .card-icon {
  background: var(--lime);
}

.category-card:nth-child(3n+3) .card-icon {
  background: #FFB07A;
}

.card-link {
  font-weight: 800;
  font-size: 0.88rem;
  text-decoration: none;
  color: var(--cocoa);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 2px solid var(--banana);
  padding-bottom: 2px;
  transition: gap 0.2s ease;
}

.card-link:hover {
  gap: 12px;
  color: var(--cocoa);
}

/* ===== 特性块 ===== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.feature-image {
  border: 3px solid var(--cocoa);
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 7px 7px 0 var(--lime);
  transform: rotate(-1.5deg);
  transition: transform 0.3s ease;
}

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

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

.feature-text {
  min-width: 0;
}

.feature-text :is(h2, h3, h4) {
  font-size: 1.9rem;
  font-weight: 900;
  color: var(--cocoa);
  font-style: italic;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
  line-height: 1.3;
}

.feature-text p {
  color: var(--cocoa-light);
  margin-bottom: 18px;
}

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

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  color: var(--cocoa);
}

.feature-list li::before {
  content: '✓';
  font-weight: 900;
  font-size: 0.8rem;
  background: var(--lime);
  color: var(--cocoa);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--cocoa);
  box-shadow: 1px 1px 0 var(--cocoa);
  flex-shrink: 0;
}

/* ===== 数据条 ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  text-align: center;
}

.stat-item {
  background: #fff;
  padding: 32px 20px;
  border: 3px solid var(--cocoa);
  border-radius: 22px;
  box-shadow: 4px 4px 0 var(--cocoa);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
  position: relative;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: -9px;
  left: 18px;
  width: 32px;
  height: 32px;
  background: var(--banana);
  border: 2px solid var(--cocoa);
  border-radius: 50%;
  box-shadow: 1px 1px 0 var(--cocoa);
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 6px 6px 0 var(--cocoa);
}

.stat-number {
  font-size: 2.7rem;
  font-weight: 900;
  color: var(--cocoa);
  font-style: italic;
  line-height: 1.2;
  letter-spacing: -1px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--cocoa-light);
  margin-top: 6px;
  font-weight: 600;
}

/* ===== 内容墙 ===== */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 26px;
}

.content-wall-item {
  background: #fff;
  border: 3px solid var(--cocoa);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 4px 4px 0 var(--cocoa);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}

.content-wall-item:nth-child(odd) {
  transform: rotate(-0.5deg);
}

.content-wall-item:nth-child(even) {
  transform: rotate(0.5deg);
}

.content-wall-item:hover {
  transform: translateY(-5px) rotate(0deg);
  box-shadow: 7px 7px 0 var(--banana);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  border-bottom: 3px solid var(--cocoa);
  transition: transform 0.5s ease;
}

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

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

.content-wall-body h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--cocoa);
  line-height: 1.4;
}

.content-wall-body p {
  font-size: 0.88rem;
  color: var(--cocoa-light);
  line-height: 1.5;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: #fff;
  border: 3px solid var(--cocoa);
  border-radius: 16px;
  box-shadow: 3px 3px 0 var(--cocoa);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.faq-item.open {
  box-shadow: 5px 5px 0 var(--banana);
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 800;
  font-size: 1rem;
  color: var(--cocoa);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  background: #fff;
  transition: background 0.2s;
}

.faq-item .faq-question:hover {
  background: var(--cream-tint);
}

.faq-item .faq-question::after {
  content: '＋';
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--coral);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 14px;
}

.faq-item.open .faq-question::after {
  transform: rotate(405deg);
  color: var(--coral);
}

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  color: var(--cocoa-light);
  font-size: 0.95rem;
  line-height: 1.7;
  background: #fff;
}

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

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

/* ===== CTA横幅 ===== */
.cta-banner {
  padding: 60px 40px;
  text-align: center;
  border-radius: 32px;
  color: var(--cocoa);
  background: linear-gradient(135deg, var(--banana) 0%, #FFE566 50%, var(--banana-deep) 100%);
  border: 3px solid var(--cocoa);
  box-shadow: 8px 8px 0 var(--cocoa);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -30px;
  right: -30px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.25) 2px, transparent 3px);
  background-size: 18px 18px;
  border-radius: 50%;
}

.cta-banner h2 {
  color: var(--cocoa);
  font-size: 2.3rem;
  font-weight: 900;
  font-style: italic;
  letter-spacing: -1px;
  margin-bottom: 12px;
  position: relative;
  z-index: 2;
}

.cta-banner p {
  color: rgba(61, 43, 31, 0.7);
  max-width: 500px;
  margin: 0 auto 28px;
  font-size: 1.05rem;
  position: relative;
  z-index: 2;
}

.cta-banner .btn-primary {
  background: var(--cocoa);
  color: var(--cream);
  border: 3px solid var(--cocoa);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.15);
  position: relative;
  z-index: 2;
}

.cta-banner .btn-primary:hover {
  background: #4d3628;
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.15);
}

/* ===== 页脚 ===== */
.site-footer {
  padding: 60px 0 28px;
  background: var(--cream-tint);
  border-top: 4px solid var(--banana);
  margin-top: 40px;
}

.site-footer .container {
  padding-bottom: 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand {
  max-width: 280px;
}

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

.footer-brand p {
  font-size: 0.9rem;
  color: var(--cocoa-light);
  line-height: 1.7;
  margin-top: 10px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 900;
  color: var(--cocoa);
  margin-bottom: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.footer-col a {
  display: block;
  padding: 4px 0;
  color: var(--cocoa-light);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.2s, transform 0.2s;
}

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

.footer-bottom {
  border-top: 2px solid rgba(61, 43, 31, 0.08);
  margin-top: 44px;
  padding-top: 22px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--cocoa-light);
}

/* ===== 工具类 ===== */
.text-accent {
  color: var(--coral);
  font-weight: 800;
}

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

.seo-description {
  max-width: 620px;
  margin: 0 auto 48px;
  font-size: 1rem;
  color: var(--cocoa-light);
  line-height: 1.8;
}

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

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero-content h1 {
    font-size: 3.4rem;
  }

  .hero .container {
    gap: 40px;
  }

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

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .hero {
    min-height: auto;
    padding: 60px 0;
  }

  .hero .container {
    flex-direction: column;
    gap: 36px;
    padding: 20px 24px;
  }

  .hero-content h1 {
    font-size: 2.8rem;
  }

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

  .hero-image {
    width: 100%;
    transform: rotate(1deg);
  }

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

  .feature-image {
    transform: rotate(-1deg);
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

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

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
    width: 42px;
    height: 42px;
    background: var(--banana);
    border: 2px solid var(--cocoa);
    border-radius: 12px;
    box-shadow: 2px 2px 0 var(--cocoa);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.3rem;
    color: var(--cocoa);
    transition: transform 0.15s;
  }

  .menu-toggle:hover {
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0 var(--cocoa);
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: var(--cream);
    padding: 24px;
    gap: 16px;
    border-bottom: 3px solid var(--cocoa);
    box-shadow: 0 10px 30px rgba(61, 43, 31, 0.12);
    animation: fadeInDown 0.25s ease;
  }

  .main-nav.open a {
    font-size: 1.05rem;
    padding: 10px 0;
  }

  .main-nav.open .nav-cta {
    display: inline-flex;
    justify-content: center;
    margin-top: 6px;
    font-size: 1rem;
  }

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

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

  @keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

@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-content h1 {
    font-size: 2.2rem;
  }

  .hero::before {
    font-size: 3.5rem;
    top: 6%;
    right: 5%;
  }

  .category-card:nth-child(odd),
  .category-card:nth-child(even),
  .content-wall-item:nth-child(odd),
  .content-wall-item:nth-child(even) {
    transform: none;
  }

  .section-title {
    font-size: 2rem;
  }

  .section-desc {
    margin-bottom: 32px;
  }

  .stat-item::before {
    display: none;
  }

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

  .cta-banner .btn-primary {
    width: 100%;
    justify-content: center;
  }
}