/* 方块娱乐官网 — 柔和几何解构风格 — fkyygw.cn */
/* 配色：暖象牙白 + 赤陶橙 + 鼠尾草绿 + 薰衣草灰 */

:root {
  --cream: #fefaf6;
  --ivory: #fdf7f0;
  --terracotta: #c87d5b;
  --terracotta-dark: #b06848;
  --terracotta-light: #f0d5c8;
  --sage: #7d8f7a;
  --sage-light: #e8ede5;
  --lavender: #b8a9bf;
  --lavender-light: #f3eff5;
  --warm-brown: #4a3830;
  --warm-brown-light: #6b5a52;
  --soft-shadow: 0 2px 12px rgba(74, 56, 48, 0.06);
  --card-shadow: 0 2px 8px rgba(74, 56, 48, 0.05);
  --hover-shadow: 0 8px 28px rgba(74, 56, 48, 0.10);
  --border-soft: rgba(74, 56, 48, 0.08);
  --border-medium: rgba(74, 56, 48, 0.12);
}

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

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  overflow-x: hidden;
  background: var(--cream);
  color: var(--warm-brown);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* 微妙的全局纹理 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(200, 125, 91, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 78% 60%, rgba(125, 143, 122, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 40% 85%, rgba(184, 169, 191, 0.04) 0%, transparent 50%);
  opacity: 0.7;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--sage-light);
  position: relative;
}

.section:nth-child(even)::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--sage), transparent);
  opacity: 0.2;
}

/* 导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(254, 250, 246, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-soft);
  transition: all 0.3s ease;
}

.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: 800;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--warm-brown);
  letter-spacing: -0.3px;
  transition: opacity 0.2s;
}

.logo:hover {
  opacity: 0.8;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  background: var(--terracotta);
  color: #fff;
  transform: rotate(6deg);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 3px 10px rgba(200, 125, 91, 0.25);
}

.logo:hover .logo-icon {
  transform: rotate(0deg) scale(1.05);
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 540;
  color: var(--warm-brown-light);
  transition: color 0.2s, transform 0.2s;
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--terracotta);
  border-radius: 1px;
  transition: width 0.25s cubic-bezier(0.25, 0.8, 0.25, 1.2);
}

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

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

.nav-cta {
  padding: 9px 22px !important;
  border-radius: 8px !important;
  color: #fff !important;
  font-weight: 650 !important;
  background: var(--terracotta);
  transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1.2) !important;
  box-shadow: 0 3px 12px rgba(200, 125, 91, 0.25);
}

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

.nav-cta:hover {
  background: var(--terracotta-dark) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(200, 125, 91, 0.35);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--warm-brown);
  font-size: 1.5rem;
  line-height: 1;
}

/* Hero */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 360px;
  height: 360px;
  border: 28px solid var(--terracotta-light);
  border-radius: 40px;
  transform: rotate(28deg);
  opacity: 0.5;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -40px;
  width: 180px;
  height: 180px;
  border: 18px solid var(--lavender-light);
  border-radius: 24px;
  transform: rotate(52deg);
  opacity: 0.6;
  pointer-events: none;
}

.hero-content {
  max-width: 720px;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 18px;
  background: var(--terracotta-light);
  color: var(--terracotta-dark);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 850;
  line-height: 1.15;
  margin-bottom: 22px;
  color: var(--warm-brown);
  letter-spacing: -0.8px;
}

.hero h1 .highlight {
  color: var(--terracotta);
  position: relative;
}

.hero p {
  font-size: 1.12rem;
  opacity: 0.72;
  max-width: 560px;
  margin-bottom: 34px;
  color: var(--warm-brown-light);
  line-height: 1.7;
}

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

.hero-image {
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--hover-shadow);
  border: 1px solid var(--border-soft);
  position: relative;
}

.hero-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 14px;
  border: 2px solid rgba(200, 125, 91, 0.12);
  pointer-events: none;
}

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

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 9px;
  font-weight: 650;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1.2);
  font-size: 0.95rem;
  letter-spacing: 0.2px;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  color: #fff;
  background: var(--terracotta);
  box-shadow: 0 4px 14px rgba(200, 125, 91, 0.3);
}

.btn-primary:hover {
  background: var(--terracotta-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200, 125, 91, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  border: 1.8px solid var(--border-medium);
  color: var(--warm-brown);
}

.btn-outline:hover {
  border-color: var(--terracotta);
  color: var(--terracotta);
  background: rgba(200, 125, 91, 0.04);
  transform: translateY(-2px);
}

/* 标签/标题 */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 14px;
  text-transform: uppercase;
  color: var(--terracotta);
  position: relative;
  padding-left: 28px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 3px;
  border-radius: 2px;
  background: var(--terracotta);
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 16px;
  font-weight: 800;
  color: var(--warm-brown);
  letter-spacing: -0.5px;
  line-height: 1.25;
}

.section-desc {
  max-width: 600px;
  opacity: 0.68;
  margin-bottom: 44px;
  color: var(--warm-brown-light);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* 卡片网格 */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.category-card {
  border-radius: 14px;
  padding: 30px 26px;
  border: 1px solid var(--border-soft);
  transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
  background: #fff;
  position: relative;
  cursor: pointer;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  border-radius: 14px 14px 0 0;
  transition: background 0.35s ease;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--hover-shadow);
  border-color: transparent;
}

.category-card:hover::before {
  background: var(--terracotta);
}

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: var(--sage-light);
  color: var(--sage);
  transition: all 0.3s ease;
  transform: rotate(3deg);
}

.category-card:hover .card-icon {
  transform: rotate(0deg) scale(1.08);
  background: var(--terracotta-light);
  color: var(--terracotta);
}

.category-card:nth-child(2) .card-icon {
  background: var(--lavender-light);
  color: var(--lavender);
  transform: rotate(-3deg);
}

.category-card:nth-child(2):hover .card-icon {
  background: var(--sage-light);
  color: var(--sage);
  transform: rotate(0deg) scale(1.08);
}

.category-card:nth-child(3) .card-icon {
  background: #fff3e8;
  color: var(--terracotta);
}

.category-card:nth-child(3):hover .card-icon {
  background: var(--lavender-light);
  color: var(--lavender);
  transform: rotate(0deg) scale(1.08);
}

.category-card:nth-child(4) .card-icon {
  background: #f0f7f0;
  color: #6a9a6a;
}

.category-card:nth-child(4):hover .card-icon {
  background: #fff3e8;
  color: var(--terracotta);
  transform: rotate(0deg) scale(1.08);
}

.card-link {
  font-weight: 650;
  font-size: 0.88rem;
  text-decoration: none;
  color: var(--terracotta);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.25s ease;
}

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

/* 特性块 */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.feature-image {
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--soft-shadow);
  border: 1px solid var(--border-soft);
  position: relative;
}

.feature-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 14px;
  border: 2px solid rgba(125, 143, 122, 0.1);
  pointer-events: none;
}

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

.feature-text {
  position: relative;
}

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

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.98rem;
  color: var(--warm-brown-light);
}

.feature-list li::before {
  content: '◇';
  font-weight: 700;
  color: var(--terracotta);
  font-size: 0.7rem;
  margin-top: 3px;
  flex-shrink: 0;
}

/* 数据条 */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.stat-item {
  padding: 28px 20px;
  border-radius: 14px;
  border: 1px solid var(--border-soft);
  background: #fff;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  border-radius: 2px;
  background: var(--terracotta-light);
  transition: width 0.3s ease, background 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--hover-shadow);
}

.stat-item:hover::before {
  width: 60px;
  background: var(--terracotta);
}

.stat-item:nth-child(2)::before {
  background: var(--sage);
}

.stat-item:nth-child(3)::before {
  background: var(--lavender);
}

.stat-item:nth-child(4)::before {
  background: #e8c9a0;
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 850;
  color: var(--warm-brown);
  letter-spacing: -0.5px;
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  color: var(--warm-brown-light);
  font-weight: 500;
}

/* 内容墙 */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.content-wall-item {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border-soft);
  transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
  background: #fff;
}

.content-wall-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--hover-shadow);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

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

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

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

.content-wall-body p {
  font-size: 0.9rem;
  opacity: 0.65;
  color: var(--warm-brown-light);
}

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

.faq-item {
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: #fff;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--border-medium);
  box-shadow: var(--soft-shadow);
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 650;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--warm-brown);
  gap: 16px;
  user-select: none;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--terracotta);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  flex-shrink: 0;
}

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

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.7;
  color: var(--warm-brown-light);
  line-height: 1.7;
}

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

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

/* CTA横幅 */
.cta-banner {
  padding: 56px 24px;
  text-align: center;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--terracotta) 0%, #d4956b 40%, #c87d5b 70%, #b87050 100%);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -30px;
  right: -30px;
  width: 140px;
  height: 140px;
  border: 16px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  transform: rotate(35deg);
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: -20px;
  width: 100px;
  height: 100px;
  border: 10px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  transform: rotate(55deg);
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  font-weight: 800;
  font-size: 1.9rem;
  letter-spacing: -0.3px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  margin-top: 10px;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--terracotta);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  margin-top: 20px;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  background: #fefaf6;
  color: var(--terracotta-dark);
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.18);
}

/* 页脚 */
.site-footer {
  padding: 56px 0 28px;
  background: #faf6f2;
  border-top: 1px solid var(--border-soft);
  color: var(--warm-brown);
}

.site-footer .container {
  position: relative;
  z-index: 1;
}

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

.footer-brand {
  font-weight: 700;
  font-size: 1.1rem;
}

.footer-brand p {
  font-weight: 400;
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
}

.footer-col h4 {
  font-weight: 700;
  margin-bottom: 12px;
  font-size: 0.95rem;
  color: var(--warm-brown);
}

.footer-col a {
  display: block;
  text-decoration: none;
  color: var(--warm-brown-light);
  font-size: 0.9rem;
  padding: 4px 0;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--terracotta);
}

.footer-bottom {
  border-top: 1px solid var(--border-soft);
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.55;
  color: var(--warm-brown-light);
}

/* 工具类 */
.text-accent {
  color: var(--terracotta) !important;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: var(--warm-brown-light);
  line-height: 1.7;
}

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

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

/* 响应式 */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.4rem;
  }
  .hero::before,
  .hero::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .main-nav {
    display: none;
  }
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-soft);
    background: #fff;
    position: relative;
    z-index: 1001;
  }
  .menu-toggle::before {
    content: '☰';
    font-size: 1.3rem;
  }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(254, 250, 246, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border-soft);
    box-shadow: var(--hover-shadow);
    z-index: 1000;
  }
  .hero {
    min-height: 55vh;
    text-align: center;
  }
  .hero-content {
    margin: 0 auto;
  }
  .hero p {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-buttons {
    justify-content: center;
  }
  .section {
    padding: 56px 0;
  }
  .section-title {
    font-size: 1.7rem;
  }
  .nav-cta {
    text-align: center;
    justify-content: center;
  }
}

@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;
    align-items: center;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .hero p {
    font-size: 1rem;
  }
  .section-title {
    font-size: 1.5rem;
  }
  .cta-banner h2 {
    font-size: 1.4rem;
  }
  .container {
    padding: 0 16px;
  }
  .header-inner {
    padding: 0 16px;
  }
  .stat-number {
    font-size: 1.8rem;
  }
}