/* =============================================
   "环形浪潮" — 28圈h5 企业网站设计系统
   视觉概念：浮动圆环 · 柔和渐变 · 活力色彩
   配色：珊瑚橙 #FF7E67 · 天空蓝 #5EC4E8 · 暖阳黄 #FFD93D · 米白 #FFF8F5
   ============================================= */

/* 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: #FFF8F5;
  color: #2D3436;
  line-height: 1.6;
}

/* 环形装饰背景 — 全局伪元素 */
body::before {
  content: '';
  position: fixed;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,126,103,0.12), rgba(94,196,232,0.08) 60%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: -15%;
  left: -8%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle at 70% 70%, rgba(255,217,61,0.10), rgba(255,126,103,0.06) 50%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* 核心布局 — 必须居中 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

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

.section:nth-child(even) {
  background: #FEF6F2;
  position: relative;
}

/* 偶数section的环形装饰 */
.section:nth-child(even)::before {
  content: '';
  position: absolute;
  top: 40px;
  right: 40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 24px solid rgba(94,196,232,0.08);
  pointer-events: none;
}

.section:nth-child(odd)::after {
  content: '';
  position: absolute;
  bottom: 30px;
  left: 30px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 16px solid rgba(255,126,103,0.08);
  pointer-events: none;
}

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255,248,245,0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,126,103,0.12);
  transition: 0.3s;
}

.site-header:hover {
  background: rgba(255,248,245,0.96);
}

.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: 800;
  font-size: 1.3rem;
  text-decoration: none;
  color: #2D3436;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, #FF7E67, #FFB088);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255,126,103,0.30);
  position: relative;
}

.logo-icon::after {
  content: '';
  position: absolute;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px dashed rgba(255,126,103,0.25);
  animation: spinRing 12s linear infinite;
}

@keyframes spinRing {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.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: #4A4A4A;
  transition: 0.25s;
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2.5px;
  background: linear-gradient(90deg, #FF7E67, #5EC4E8);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.main-nav a:hover {
  color: #FF7E67;
}

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

.nav-cta {
  padding: 10px 24px !important;
  border-radius: 50px !important;
  color: #fff !important;
  font-weight: 600 !important;
  background: linear-gradient(135deg, #FF7E67, #FF9A7A) !important;
  box-shadow: 0 4px 14px rgba(255,126,103,0.30);
  transition: 0.3s !important;
}

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

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,126,103,0.40) !important;
  color: #fff !important;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,126,103,0.25);
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #FF7E67;
  transition: 0.2s;
}

.menu-toggle:hover {
  background: rgba(255,126,103,0.08);
}

/* ===== 首页Hero ===== */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 10%;
  left: -5%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  border: 32px solid rgba(94,196,232,0.07);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 5%;
  right: 2%;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,217,61,0.08), transparent 70%);
  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;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(255,126,103,0.12), rgba(94,196,232,0.10));
  color: #FF7E67;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: 1px solid rgba(255,126,103,0.15);
}

.hero h1 {
  font-size: 3.2rem;
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 800;
  letter-spacing: -1px;
  color: #2D3436;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, #FF7E67, #5EC4E8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.7;
  max-width: 540px;
  margin-bottom: 36px;
  color: #5A5A5A;
  line-height: 1.7;
}

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

.hero-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(255,126,103,0.12);
  position: relative;
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  border: 2px solid rgba(255,255,255,0.15);
  pointer-events: none;
}

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

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: 0.3s;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #FF7E67, #FF9A7A);
  box-shadow: 0 6px 20px rgba(255,126,103,0.30);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(255,126,103,0.40);
}

.btn-outline {
  background: transparent;
  border: 2px solid rgba(255,126,103,0.30);
  color: #FF7E67;
}

.btn-outline:hover {
  border-color: #FF7E67;
  background: rgba(255,126,103,0.06);
  transform: translateY(-2px);
}

/* ===== 标签/标题 ===== */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  margin-bottom: 14px;
  color: #5EC4E8;
  text-transform: uppercase;
  position: relative;
  padding-left: 36px;
}

.section-label::before {
  content: '●';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.5rem;
  color: #FF7E67;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid rgba(255,126,103,0.20);
  display: flex;
  align-items: center;
  justify-content: center;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 16px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #2D3436;
  line-height: 1.2;
}

.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 48px;
  color: #5A5A5A;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ===== 卡片网格 ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: 20px;
  padding: 32px 28px;
  background: #FFFFFF;
  border: 1px solid rgba(255,126,103,0.08);
  transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #FF7E67, #5EC4E8, #FFD93D);
  opacity: 0;
  transition: 0.3s;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(255,126,103,0.10), 0 4px 12px rgba(0,0,0,0.04);
  border-color: rgba(255,126,103,0.15);
}

.category-card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, rgba(255,126,103,0.10), rgba(94,196,232,0.08));
  color: #FF7E67;
  transition: 0.3s;
}

.category-card:hover .card-icon {
  background: linear-gradient(135deg, #FF7E67, #FF9A7A);
  color: #fff;
  box-shadow: 0 6px 16px rgba(255,126,103,0.25);
}

.category-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #2D3436;
}

.category-card p {
  font-size: 0.9rem;
  opacity: 0.65;
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: #FF7E67;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: 0.2s;
}

.card-link:hover {
  gap: 10px;
  color: #5EC4E8;
}

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

.feature-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(94,196,232,0.12);
  position: relative;
}

.feature-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  border: 2px solid rgba(255,255,255,0.10);
  pointer-events: none;
}

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

.feature-text h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: #2D3436;
  line-height: 1.3;
}

.feature-text p {
  opacity: 0.7;
  margin-bottom: 24px;
  line-height: 1.7;
}

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

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  color: #3A3A3A;
}

.feature-list li::before {
  content: '';
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #5EC4E8, #7ED5ED);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: #fff;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(94,196,232,0.25);
}

/* ===== 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: 20px;
  background: #FFFFFF;
  border: 1px solid rgba(255,126,103,0.06);
  box-shadow: 0 4px 16px rgba(0,0,0,0.02);
  transition: 0.3s;
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: -30px;
  right: -30px;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255,126,103,0.04);
  pointer-events: none;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(255,126,103,0.08);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, #FF7E67, #5EC4E8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  color: #5A5A5A;
  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: 20px;
  overflow: hidden;
  background: #FFFFFF;
  border: 1px solid rgba(255,126,103,0.06);
  transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(255,126,103,0.08), 0 4px 12px rgba(0,0,0,0.02);
}

.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 22px 26px;
}

.content-wall-body h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #2D3436;
}

.content-wall-body p {
  font-size: 0.88rem;
  opacity: 0.65;
  line-height: 1.6;
}

.content-wall-body .meta {
  font-size: 0.78rem;
  color: #5EC4E8;
  font-weight: 600;
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

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

.faq-item {
  border: 1px solid rgba(255,126,103,0.08);
  border-radius: 16px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: #FFFFFF;
  transition: 0.25s;
}

.faq-item:hover {
  border-color: rgba(255,126,103,0.18);
}

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #2D3436;
  font-size: 1rem;
  transition: 0.2s;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 300;
  color: #FF7E67;
  transition: 0.3s;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
  color: #5EC4E8;
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  opacity: 0.7;
  line-height: 1.7;
  color: #5A5A5A;
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-item.open {
  border-color: rgba(94,196,232,0.15);
  box-shadow: 0 4px 12px rgba(94,196,232,0.06);
}

/* ===== CTA横幅 ===== */
.cta-banner {
  padding: 64px 32px;
  text-align: center;
  border-radius: 24px;
  background: linear-gradient(135deg, #FF7E67, #FF9A7A, #FFB088);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  border: 30px solid rgba(255,255,255,0.06);
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255,255,255,0.85);
  max-width: 500px;
  margin: 0 auto 28px;
  font-size: 1.05rem;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary {
  background: #fff;
  color: #FF7E67;
  box-shadow: 0 8px 24px rgba(0,0,0,0.10);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  box-shadow: 0 12px 32px rgba(0,0,0,0.15);
  transform: translateY(-3px);
}

/* ===== 页脚 ===== */
.site-footer {
  padding: 72px 0 32px;
  background: #2D3436;
  color: rgba(255,255,255,0.80);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 28px solid rgba(255,126,103,0.06);
  pointer-events: none;
}

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

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

.footer-brand .logo-icon {
  box-shadow: 0 4px 12px rgba(255,126,103,0.20);
}

.footer-brand p {
  opacity: 0.6;
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h5 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

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

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

.footer-col ul a {
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 0.88rem;
  transition: 0.2s;
}

.footer-col ul a:hover {
  color: #FF7E67;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  opacity: 0.45;
  position: relative;
  z-index: 1;
}

/* ===== 工具类 ===== */
.text-accent {
  color: #FF7E67;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: #5A5A5A;
  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: 2.6rem; }
  .section-title { font-size: 1.8rem; }
  .footer-grid { gap: 32px; }
}

@media (max-width: 768px) {
  .hero { min-height: 70vh; padding-top: 72px; }
  .hero h1 { font-size: 2.2rem; }
  .feature-block { grid-template-columns: 1fr; gap: 40px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .section { padding: 64px 0; }
  .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(255,248,245,0.98);
    backdrop-filter: blur(16px);
    padding: 24px 28px;
    gap: 16px;
    border-bottom: 1px solid rgba(255,126,103,0.10);
    box-shadow: 0 12px 32px rgba(0,0,0,0.04);
  }
  .main-nav.open a { font-size: 1rem; padding: 8px 0; }
  .main-nav.open .nav-cta { margin-top: 8px; text-align: center; }
  .hero-buttons { flex-direction: column; align-items: flex-start; }
  .content-wall { grid-template-columns: 1fr; }
}

@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; width: 100%; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .hero h1 { font-size: 1.8rem; }
  .section-title { font-size: 1.5rem; }
  .stat-number { font-size: 2rem; }
  .cta-banner { padding: 40px 20px; }
  .cta-banner h2 { font-size: 1.5rem; }
  .container { padding: 0 16px; }
  .feature-block { gap: 28px; }
  .section { padding: 48px 0; }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #FFF8F5;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #FF7E67, #5EC4E8);
  border-radius: 20px;
}

::-webkit-scrollbar-thumb:hover {
  background: #FF7E67;
}

/* ===== 选中文本样式 ===== */
::selection {
  background: rgba(255,126,103,0.20);
  color: #2D3436;
}

/* ===== 额外环形装饰元素 ===== */
/* 用于特定的装饰容器 */
.ring-decoration {
  position: relative;
}

.ring-decoration::after {
  content: '';
  position: absolute;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 12px solid rgba(255,217,61,0.08);
  top: -20px;
  right: -20px;
  pointer-events: none;
}

/* 品牌色渐变边框用于特殊卡片 */
.card-gradient-border {
  border: 2px solid transparent;
  background-clip: padding-box;
  position: relative;
}

.card-gradient-border::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 20px;
  background: linear-gradient(135deg, #FF7E67, #5EC4E8, #FFD93D);
  z-index: -1;
  opacity: 0.3;
}

/* 环形分隔线 */
.divider-ring {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 4px solid rgba(255,126,103,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.divider-ring::after {
  content: '';
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FF7E67, #5EC4E8);
}

/* ===== 品牌标识悬浮动画 ===== */
@keyframes floatRing {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-8px) rotate(2deg); }
  66% { transform: translateY(4px) rotate(-1deg); }
}

.logo-icon {
  animation: floatRing 6s ease-in-out infinite;
}

/* ===== 加载动画 ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.section {
  animation: fadeInUp 0.6s ease-out;
}

/* ===== 卡片悬停时的环形光晕 ===== */
.category-card::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,126,103,0.04), transparent);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  pointer-events: none;
}

.category-card:hover::after {
  width: 300px;
  height: 300px;
}