/* ======================================================
   风车动漫 · fengjudongmann.com.cn
   "Kinetic Windmill" 设计系统
   AWWWARDS-LEVEL CRAFT
   ====================================================== */

:root {
  --c-ivory: #FFF9F0;
  --c-cream: #FFEFE3;
  --c-mint: #E8F5F3;
  --c-coral: #FF4D6D;
  --c-teal: #2EC4B6;
  --c-amber: #FFD166;
  --c-sky: #A8DADC;
  --c-ink: #2B2D42;
  --c-ink-soft: #6B6D85;
  --c-white: #FFFFFF;

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-full: 100px;

  --shadow-sm: 0 4px 16px rgba(43, 45, 66, 0.05);
  --shadow-md: 0 8px 32px rgba(43, 45, 66, 0.09);
  --shadow-lg: 0 16px 48px rgba(255, 77, 109, 0.13);

  --font-hero: clamp(2.4rem, 6vw, 3.6rem);
  --font-title: clamp(1.5rem, 4vw, 2.2rem);
  --font-card-title: 1.1rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background:
    radial-gradient(ellipse at 85% 5%, rgba(255, 209, 102, 0.16) 0%, transparent 45%),
    radial-gradient(ellipse at 10% 25%, rgba(46, 196, 182, 0.10) 0%, transparent 40%),
    radial-gradient(ellipse at 90% 70%, rgba(255, 77, 109, 0.07) 0%, transparent 35%),
    var(--c-ivory);
  color: var(--c-ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============ 核心布局 ============ */
.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: rgba(232, 245, 243, 0.35);
}

.section::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 24px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 3px solid rgba(255, 77, 109, 0.2);
  pointer-events: none;
}

.section::after {
  content: '✦';
  position: absolute;
  right: 48px;
  top: 48px;
  font-size: 1.2rem;
  color: rgba(46, 196, 182, 0.4);
  animation: spin-slow 6s linear infinite;
  pointer-events: none;
}

/* ============ 导航栏 ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 249, 240, 0.88);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid rgba(255, 214, 179, 0.28);
  box-shadow: 0 4px 30px rgba(43, 45, 66, 0.03);
}

.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: 12px;
  font-weight: 800;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--c-ink);
  letter-spacing: 0.5px;
  position: relative;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, var(--c-coral) 0%, var(--c-sky) 100%);
  color: var(--c-white);
  box-shadow: 0 4px 14px rgba(255, 77, 109, 0.3);
  animation: windmill-float 4s ease-in-out infinite;
}

.logo-icon::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--c-white);
  border-radius: 50%;
  opacity: 0.8;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.2);
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-ink);
  position: relative;
  padding: 4px 2px;
  transition: color 0.3s;
}

.main-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-coral), var(--c-amber));
  border-radius: 2px;
  transition: width 0.35s cubic-bezier(0.65, 0, 0.35, 1);
}

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

.main-nav a:not(.nav-cta):hover::after {
  width: 100%;
}

.nav-cta {
  padding: 9px 22px;
  border-radius: var(--radius-full);
  color: var(--c-white) !important;
  font-weight: 700;
  background: linear-gradient(135deg, var(--c-coral) 0%, #FF6B8A 100%);
  box-shadow: 0 4px 16px rgba(255, 77, 109, 0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-cta:hover {
  transform: translateY(-2px) translateX(2px);
  box-shadow: 0 8px 24px rgba(255, 77, 109, 0.4);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(43, 45, 66, 0.1);
  background: var(--c-white);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--c-ink);
  transition: all 0.3s;
}

.menu-toggle:hover {
  border-color: var(--c-coral);
  color: var(--c-coral);
  transform: rotate(90deg);
}

/* ============ 首页 Hero ============ */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
}

.hero::before {
  content: '✦ 风车不停 ✦ 动漫不止 ✦';
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 8px;
  color: rgba(255, 77, 109, 0.18);
  white-space: nowrap;
  pointer-events: none;
  text-align: center;
}

.hero::after {
  content: '';
  position: absolute;
  right: 5%;
  bottom: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 209, 102, 0.25) 0%, transparent 65%);
  pointer-events: none;
  animation: pulse-grow 5s ease-in-out infinite alternate;
}

.hero-content {
  max-width: 720px;
  animation: rise-in 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 2px;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 22px;
  background: linear-gradient(135deg, rgba(255, 77, 109, 0.12), rgba(255, 209, 102, 0.15));
  color: var(--c-coral);
  border: 1px solid rgba(255, 77, 109, 0.15);
}

.hero h1 {
  font-size: var(--font-hero);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

.hero h1 .text-accent {
  background: linear-gradient(120deg, var(--c-coral), var(--c-amber));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  position: relative;
}

.hero p {
  font-size: 1.08rem;
  color: var(--c-ink-soft);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.8;
}

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

.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--c-cream), var(--c-mint));
}

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

.hero-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(255, 249, 240, 0.2) 0%, transparent 40%);
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.92rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.3px;
}

.btn-primary {
  color: var(--c-white);
  background: linear-gradient(135deg, var(--c-coral) 0%, #FF6B8A 100%);
  box-shadow: 0 6px 24px rgba(255, 77, 109, 0.28);
}

.btn-primary:hover {
  transform: translateY(-3px) translateX(2px);
  box-shadow: 0 10px 34px rgba(255, 77, 109, 0.38);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(43, 45, 66, 0.12);
  color: var(--c-ink);
  box-shadow: 0 0 0 4px rgba(255, 249, 240, 0.5);
}

.btn-outline:hover {
  border-color: var(--c-coral);
  color: var(--c-coral);
  transform: translateY(-3px);
  box-shadow: 0 8px 26px rgba(255, 77, 109, 0.15);
  background: rgba(255, 77, 109, 0.04);
}

.btn::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.7;
  transition: all 0.3s;
}

.btn-primary::before {
  background: rgba(255, 255, 255, 0.8);
}

.btn:hover::before {
  transform: scale(1.5) translateX(2px);
  opacity: 1;
}

/* ============ 标签 / 标题 ============ */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 3px;
  margin-bottom: 14px;
  color: var(--c-teal);
  text-transform: uppercase;
  position: relative;
  padding-left: 28px;
}

.section-label::before {
  content: '○';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  color: var(--c-coral);
  animation: spin-slow 4s linear infinite;
}

.section-title {
  font-size: var(--font-title);
  font-weight: 900;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.section-desc {
  max-width: 600px;
  color: var(--c-ink-soft);
  margin-bottom: 44px;
  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 {
  border-radius: var(--radius-md);
  padding: 30px 28px;
  border: 1px solid rgba(43, 45, 66, 0.06);
  background: var(--c-white);
  position: relative;
  overflow: hidden;
  transition: all 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.category-card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 196, 182, 0.1), transparent 70%);
  transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.category-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-coral), var(--c-amber));
  border-radius: 3px;
  transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.category-card:nth-child(2n)::before {
  background: radial-gradient(circle, rgba(255, 209, 102, 0.2), transparent 70%);
}

.category-card:nth-child(3n)::before {
  background: radial-gradient(circle, rgba(255, 77, 109, 0.12), transparent 70%);
}

.category-card:hover {
  transform: translateY(-6px) rotate(0.5deg);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 77, 109, 0.12);
}

.category-card:hover::before {
  transform: scale(1.8);
}

.category-card:hover::after {
  width: 100%;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, rgba(255, 77, 109, 0.1), rgba(255, 209, 102, 0.12));
  transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.category-card:nth-child(2n) .card-icon {
  background: linear-gradient(135deg, rgba(46, 196, 182, 0.12), rgba(168, 218, 220, 0.15));
}

.category-card:nth-child(3n) .card-icon {
  background: linear-gradient(135deg, rgba(255, 209, 102, 0.2), rgba(255, 239, 227, 0.8));
}

.category-card:hover .card-icon {
  transform: rotate(8deg) scale(1.1);
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--c-ink);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.3s;
}

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

.card-link::after {
  content: '→';
  font-size: 0.9rem;
}

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

.feature-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
  background: linear-gradient(135deg, var(--c-mint), var(--c-cream));
}

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

.feature-image::before {
  content: '●';
  position: absolute;
  top: 16px;
  right: 16px;
  color: var(--c-coral);
  font-size: 1.4rem;
  animation: pulse 2.2s ease-in-out infinite;
  z-index: 1;
}

.feature-text {
  position: relative;
}

.feature-text .feature-list {
  margin-top: 24px;
}

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

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--c-ink);
  line-height: 1.6;
}

.feature-list li::before {
  content: '✦';
  font-weight: 700;
  color: var(--c-coral);
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-list li:nth-child(2n)::before {
  color: var(--c-teal);
  content: '❋';
}

.feature-block .btn {
  margin-top: 28px;
}

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

.stat-item {
  padding: 32px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(43, 45, 66, 0.06);
  background: var(--c-white);
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 77, 109, 0.08), transparent 70%);
  transition: all 0.5s ease;
}

.stat-item:nth-child(2)::before {
  background: radial-gradient(circle, rgba(46, 196, 182, 0.12), transparent 70%);
}

.stat-item:nth-child(3)::before {
  background: radial-gradient(circle, rgba(255, 209, 102, 0.15), transparent 70%);
}

.stat-item:nth-child(4)::before {
  background: radial-gradient(circle, rgba(168, 218, 220, 0.2), transparent 70%);
}

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

.stat-item:hover::before {
  transform: translateX(-50%) scale(2);
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--c-ink);
  letter-spacing: -0.01em;
  position: relative;
  background: linear-gradient(135deg, var(--c-coral), #FF6B8A);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-item:nth-child(2) .stat-number {
  background: linear-gradient(135deg, var(--c-teal), #4AD3C5);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-item:nth-child(3) .stat-number {
  background: linear-gradient(135deg, #F5A623, var(--c-amber));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-item:nth-child(4) .stat-number {
  background: linear-gradient(135deg, #4A90D9, var(--c-sky));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--c-ink-soft);
  margin-top: 8px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* ============ 内容墙 ============ */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 30px;
}

.content-wall-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(43, 45, 66, 0.06);
  background: var(--c-white);
  transition: all 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
  border-radius: var(--radius-md);
}

.content-wall-item img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  display: block;
  transition: all 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.content-wall-body {
  padding: 22px 22px 26px;
}

.content-wall-body .card-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  padding: 3px 12px;
  border-radius: var(--radius-full);
  background: rgba(46, 196, 182, 0.12);
  color: var(--c-teal);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--c-ink);
}

.content-wall-body p {
  font-size: 0.85rem;
  color: var(--c-ink-soft);
  line-height: 1.6;
}

.content-wall-item:nth-child(2) .card-tag {
  background: rgba(255, 77, 109, 0.1);
  color: var(--c-coral);
}

.content-wall-item:nth-child(3) .card-tag {
  background: rgba(255, 209, 102, 0.2);
  color: #B8860B;
}

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

.faq-item {
  border: 1px solid rgba(43, 45, 66, 0.07);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--c-white);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item:hover {
  border-color: rgba(255, 77, 109, 0.2);
  box-shadow: var(--shadow-sm);
}

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--c-ink);
  transition: all 0.3s;
}

.faq-item .faq-question::after {
  content: '＋';
  font-size: 1.2rem;
  color: var(--c-coral);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item .faq-answer {
  padding: 0 24px 18px;
  display: none;
  color: var(--c-ink-soft);
  font-size: 0.9rem;
  line-height: 1.8;
  border-top: 1px dashed rgba(43, 45, 66, 0.08);
  padding-top: 14px;
}

.faq-item.open {
  border-color: rgba(255, 77, 109, 0.18);
  box-shadow: 0 8px 30px rgba(255, 77, 109, 0.07);
}

.faq-item.open .faq-question {
  color: var(--c-coral);
}

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

.faq-item.open .faq-answer {
  display: block;
  animation: fade-in 0.4s ease;
}

/* ============ CTA横幅 ============ */
.cta-banner {
  padding: 64px 24px;
  text-align: center;
  border-radius: var(--radius-lg);
  color: var(--c-white);
  background: linear-gradient(135deg, var(--c-coral) 0%, #FF6B8A 50%, #F7A8A0 100%);
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(255, 77, 109, 0.3);
}

.cta-banner::before,
.cta-banner::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  pointer-events: none;
}

.cta-banner::before {
  width: 150px;
  height: 150px;
  top: -50px;
  left: -30px;
  animation: slow-spin-bounce 8s ease-in-out infinite;
}

.cta-banner::after {
  content: '✦ ✦ ✦';
  position: absolute;
  right: 30px;
  bottom: 15px;
  font-size: 1.2rem;
  letter-spacing: 12px;
  color: rgba(255, 255, 255, 0.5);
  animation: float-up 4s ease-in-out infinite;
  border-radius: 0;
  width: auto;
  height: auto;
  background: none;
}

.cta-banner h2 {
  color: var(--c-white);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.88);
  font-size: 1rem;
  max-width: 480px;
  margin: 0 auto 28px;
  position: relative;
  z-index: 1;
  line-height: 1.8;
}

.cta-banner .btn-primary {
  background: var(--c-white);
  color: var(--c-coral);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.16);
}

.cta-banner .btn-primary::before {
  background: var(--c-coral);
}

/* ============ 页脚 ============ */
.site-footer {
  padding: 64px 0 28px;
  background: rgba(255, 239, 227, 0.4);
  border-top: 1px solid rgba(255, 214, 179, 0.2);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '✿ ✿ ✿ ✿ ✿';
  position: absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  letter-spacing: 24px;
  color: rgba(255, 77, 109, 0.15);
  white-space: nowrap;
}

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

.footer-brand .logo {
  font-size: 1.3rem;
  font-weight: 900;
}

.footer-brand p {
  color: var(--c-ink-soft);
  font-size: 0.88rem;
  margin-top: 16px;
  line-height: 1.8;
  max-width: 280px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--c-ink);
  margin-bottom: 14px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--c-coral), var(--c-amber));
}

.footer-col a {
  color: var(--c-ink-soft);
  text-decoration: none;
  font-size: 0.88rem;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-col a::before {
  content: '·';
  font-size: 1.4rem;
  color: var(--c-teal);
  font-weight: 700;
  line-height: 1;
}

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

.footer-bottom {
  border-top: 1px solid rgba(43, 45, 66, 0.06);
  margin-top: 44px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--c-ink-soft);
  line-height: 1.6;
}

.footer-bottom strong {
  color: var(--c-coral);
  font-weight: 700;
}

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

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

.seo-description {
  max-width: 620px;
  margin: 0 auto 48px;
  color: var(--c-ink-soft);
  font-size: 0.95rem;
  line-height: 1.8;
  text-align: center;
}

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

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

/* ============ 光晕装饰卡片 ============ */
.glow-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 239, 227, 0.6));
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.8);
}

/* ============ 滚动条样式 ============ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--c-ivory);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--c-coral), var(--c-amber));
  border-radius: 8px;
}

::selection {
  background: rgba(255, 77, 109, 0.2);
  color: var(--c-ink);
}

/* ============ 关键帧动画 ============ */
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes float-up {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(8deg); }
}

@keyframes windmill-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-4px) scale(1.06) rotate(4deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

@keyframes pulse-grow {
  from { transform: scale(0.9); opacity: 0.6; }
  to { transform: scale(1.3); opacity: 1; }
}

@keyframes rise-in {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes slow-spin-bounce {
  0%, 100% { transform: rotate(0deg) scale(1); }
  50% { transform: rotate(15deg) scale(1.4); }
}

/* ============ 标签胶囊装饰 ============ */
.tag-pill {
  display: inline-block;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  background: rgba(46, 196, 182, 0.1);
  color: var(--c-teal);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 1px;
}

.tag-pill.tag-coral {
  background: rgba(255, 77, 109, 0.1);
  color: var(--c-coral);
}

.tag-pill.tag-amber {
  background: rgba(255, 209, 102, 0.2);
  color: #B8860B;
}

/* ============ 风车旋转装饰 ============ */
.windmill-deco {
  position: relative;
  width: 60px;
  height: 60px;
  margin: 0 auto;
}

.windmill-deco i {
  position: absolute;
  width: 26px;
  height: 26px;
  border-radius: 50% 50% 50% 0;
  background: var(--c-coral);
  transform-origin: 0 0;
}

.windmill-deco i:nth-child(1) { transform: rotate(0deg) translateY(-30px); }
.windmill-deco i:nth-child(2) { transform: rotate(90deg) translateY(-30px); background: var(--c-teal); }
.windmill-deco i:nth-child(3) { transform: rotate(180deg) translateY(-30px); background: var(--c-amber); }
.windmill-deco i:nth-child(4) { transform: rotate(270deg) translateY(-30px); background: var(--c-sky); }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .hero-content {
    max-width: 600px;
  }

  .feature-block {
    gap: 40px;
  }

  .container {
    padding: 0 20px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }

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

  .feature-block .feature-image {
    order: 1;
  }

  .feature-block .feature-text {
    order: 2;
  }

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

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

  .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, 249, 240, 0.98);
    padding: 24px 24px 32px;
    gap: 16px;
    border-bottom: 1px solid rgba(43, 45, 66, 0.08);
    box-shadow: 0 20px 40px rgba(43, 45, 66, 0.08);
    backdrop-filter: blur(20px);
    animation: fade-in 0.35s ease;
  }

  .main-nav.open a {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    width: 100%;
    text-align: center;
  }

  .main-nav.open a:not(.nav-cta):hover {
    background: rgba(255, 77, 109, 0.06);
  }

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

  .hero {
    min-height: auto;
    padding-top: 120px;
    padding-bottom: 60px;
  }

  .hero::before {
    display: none;
  }

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

  .hero p {
    font-size: 1rem;
  }

  .footer-col h4 {
    margin-bottom: 8px;
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

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

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

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

  .stats-bar {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stat-item {
    padding: 24px 12px;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .cta-banner {
    padding: 48px 20px;
  }

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

  .card-icon {
    margin-bottom: 14px;
  }

  .category-card {
    padding: 24px 20px;
  }

  .content-wall-body {
    padding: 18px 18px 22px;
  }

  .footer-bottom {
    font-size: 0.75rem;
  }

  .logo {
    font-size: 1.05rem;
  }

  .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
  }
}

/* ============ 减少动画偏好 ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}