/* ============================================
   鲍鱼tv在线跳转 · 贝壳虹彩设计系统
   Awwwards风格 · 浅色亮色 · 独特视觉语言
   ============================================ */

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

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
  background: #FBF7F0;
  color: #2A2D34;
  line-height: 1.65;
  letter-spacing: 0.01em;
}

::selection {
  background: rgba(255, 94, 58, 0.2);
}

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

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

.section:nth-child(even) {
  background: #F4EFE6;
}

/* 虹彩装饰线 - 模拟鲍鱼壳光泽 */
.section::after {
  content: '';
  display: block;
  height: 2px;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  background: linear-gradient(90deg, transparent, rgba(255,94,58,0.25), rgba(180,142,173,0.3), rgba(14,124,123,0.25), transparent);
}

/* ---------- 导航 Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(251, 247, 240, 0.88);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid rgba(255, 94, 58, 0.12);
  box-shadow: 0 1px 20px rgba(14, 124, 123, 0.04);
}

.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: #2A2D34;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  background: conic-gradient(from 120deg, #FF5E3A, #B48EAD, #0E7C7B, #F4C7A5, #FF5E3A);
  color: #fff;
  box-shadow: 0 2px 12px rgba(255, 94, 58, 0.3);
  position: relative;
  overflow: hidden;
}

.logo-icon::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: rgba(251, 247, 240, 0.35);
  backdrop-filter: blur(2px);
}

.logo-icon span {
  position: relative;
  z-index: 1;
  font-weight: 900;
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: #4A4D55;
  transition: all 0.25s ease;
  position: relative;
  letter-spacing: 0.02em;
}

.main-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, #FF5E3A, #B48EAD);
  transition: width 0.3s cubic-bezier(0.65, 0, 0.35, 1);
}

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

.main-nav a:not(.nav-cta):hover {
  color: #FF5E3A;
}

.nav-cta {
  padding: 8px 22px;
  border-radius: 30px;
  color: #fff !important;
  font-weight: 600 !important;
  background: linear-gradient(135deg, #FF5E3A, #E8432A);
  box-shadow: 0 4px 16px rgba(255, 94, 58, 0.3);
  transition: all 0.3s ease !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 94, 58, 0.4);
}

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

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 94, 58, 0.25);
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.menu-toggle::before,
.menu-toggle::after {
  content: '';
  width: 16px;
  height: 2px;
  background: #FF5E3A;
  border-radius: 2px;
}

.menu-toggle::before {
  box-shadow: 0 6px 0 #FF5E3A;
}

/* ---------- 首页 Hero ---------- */
.hero {
  min-height: 78vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(120deg, #FBF7F0 0%, #FDF3EC 50%, #F0F5F2 100%);
}

.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  right: -100px;
  top: -100px;
  background: radial-gradient(circle, rgba(180, 142, 173, 0.12) 0%, rgba(255, 94, 58, 0.08) 40%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  left: -150px;
  bottom: -150px;
  background: radial-gradient(circle, rgba(14, 124, 123, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 760px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  padding: 5px 16px;
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(255, 94, 58, 0.1), rgba(180, 142, 173, 0.12));
  border: 1px solid rgba(255, 94, 58, 0.2);
  color: #FF5E3A;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero-eyebrow::before {
  content: '🐚';
  font-size: 0.9rem;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
  color: #2A2D34;
  background: linear-gradient(120deg, #2A2D34 0%, #FF5E3A 50%, #0E7C7B 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.7;
  max-width: 560px;
  margin-bottom: 36px;
  color: #4A4D55;
}

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

.hero-image {
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, rgba(255, 94, 58, 0.08), rgba(180, 142, 173, 0.1));
  border: 1px solid rgba(255, 94, 58, 0.12);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.hero-image:hover img {
  transform: scale(1.02);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.02em;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #FF5E3A, #E8432A);
  box-shadow: 0 6px 24px rgba(255, 94, 58, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(255, 94, 58, 0.45);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid #0E7C7B;
  color: #0E7C7B;
}

.btn-outline:hover {
  background: rgba(14, 124, 123, 0.06);
  transform: translateY(-2px);
}

/* ---------- 标签/标题 ---------- */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin-bottom: 14px;
  color: #FF5E3A;
  text-transform: uppercase;
  position: relative;
  padding-left: 24px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 16px;
  height: 2px;
  background: linear-gradient(90deg, #FF5E3A, #B48EAD);
  border-radius: 2px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: #2A2D34;
}

.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 48px;
  color: #4A4D55;
}

/* ---------- 卡片网格 ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 24px;
}

.category-card {
  border-radius: 20px;
  padding: 32px 28px;
  border: 1px solid rgba(255, 94, 58, 0.12);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(255, 94, 58, 0.06), rgba(180, 142, 173, 0.04), rgba(14, 124, 123, 0.06));
  opacity: 0;
  transition: opacity 0.4s ease;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(14, 124, 123, 0.1);
  border-color: rgba(255, 94, 58, 0.3);
}

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

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, rgba(255, 94, 58, 0.15), rgba(180, 142, 173, 0.15));
  position: relative;
  z-index: 1;
}

.card-link {
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  color: #FF5E3A;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.3s ease;
  position: relative;
  z-index: 1;
}

.card-link:hover {
  gap: 10px;
}

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

.feature-image {
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, rgba(14, 124, 123, 0.08), rgba(180, 142, 173, 0.1));
  border: 1px solid rgba(14, 124, 123, 0.12);
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.feature-image:hover img {
  transform: scale(1.03);
}

.feature-text {
  position: relative;
}

.feature-text .section-label {
  color: #0E7C7B;
}

.feature-list {
  list-style: none;
  margin-top: 8px;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #4A4D55;
  font-weight: 400;
}

.feature-list li::before {
  content: '✦';
  font-weight: 700;
  color: #FF5E3A;
  font-size: 0.9rem;
}

/* ---------- 数据条 ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 36px 24px;
  border-radius: 20px;
  border: 1px solid rgba(14, 124, 123, 0.15);
  background: linear-gradient(160deg, rgba(255,255,255,0.6), rgba(240,245,242,0.8));
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  width: 60%;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(90deg, #FF5E3A, #B48EAD, #0E7C7B);
  opacity: 0.4;
  transition: opacity 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(14, 124, 123, 0.1);
}

.stat-item:hover::after {
  opacity: 1;
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  color: #2A2D34;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.stat-number sup {
  font-size: 1.2rem;
  color: #FF5E3A;
  font-weight: 700;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 6px;
  color: #4A4D55;
}

/* ---------- 内容墙 ---------- */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 94, 58, 0.1);
  background: rgba(255, 255, 255, 0.7);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(14, 124, 123, 0.12);
  border-color: rgba(255, 94, 58, 0.2);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.content-wall-item:hover img {
  transform: scale(1.05);
}

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

.content-wall-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #2A2D34;
}

.content-wall-body p {
  font-size: 0.9rem;
  opacity: 0.7;
  color: #4A4D55;
}

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

.faq-item {
  border: 1px solid rgba(255, 94, 58, 0.15);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.6);
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(255, 94, 58, 0.35);
  background: rgba(255, 255, 255, 0.9);
}

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #2A2D34;
  font-size: 0.95rem;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: #FF5E3A;
  font-weight: 400;
  transition: transform 0.3s ease;
}

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

.faq-item .faq-answer {
  padding: 0 24px 18px;
  display: none;
  opacity: 0.7;
  color: #4A4D55;
  font-size: 0.9rem;
  line-height: 1.7;
}

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

@keyframes faqIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 0.7; transform: translateY(0); }
}

/* ---------- CTA横幅 ---------- */
.cta-banner {
  padding: 56px 32px;
  text-align: center;
  border-radius: 24px;
  color: #fff;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #FF5E3A, #E8432A, #D63B20);
  box-shadow: 0 20px 60px rgba(255, 94, 58, 0.35);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -30%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  animation: ctaFloat 6s ease-in-out infinite alternate;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -60%;
  left: -20%;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  animation: ctaFloat 8s ease-in-out infinite alternate-reverse;
}

@keyframes ctaFloat {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(20px, -20px) scale(1.1); }
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary {
  background: #fff;
  color: #FF5E3A;
  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, 0.15);
}

/* ---------- 页脚 ---------- */
.site-footer {
  padding: 64px 0 28px;
  background: #F0F5F2;
  border-top: 2px solid rgba(14, 124, 123, 0.1);
}

.site-footer .container {
  max-width: 1200px;
}

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

.footer-brand {
  padding-right: 24px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  opacity: 0.7;
  color: #4A4D55;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: #2A2D34;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

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

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

.footer-col ul a {
  color: #4A4D55;
  text-decoration: none;
  font-size: 0.9rem;
  opacity: 0.8;
  transition: all 0.2s ease;
}

.footer-col ul a:hover {
  color: #FF5E3A;
  opacity: 1;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(14, 124, 123, 0.15);
  margin-top: 48px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: #4A4D55;
  opacity: 0.7;
}

/* ---------- 工具类 ---------- */
.text-accent {
  color: #FF5E3A;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: #4A4D55;
}

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

/* 虹彩渐变边框装饰 */
.hero-ribbon {
  height: 4px;
  background: linear-gradient(90deg, #FF5E3A, #F4C7A5, #B48EAD, #0E7C7B, #7BC6C6, #FF5E3A);
  background-size: 200% 100%;
  animation: ribbonFlow 8s linear infinite;
  border-radius: 4px;
  max-width: 80%;
  margin: 0 auto 32px;
}

@keyframes ribbonFlow {
  0% { background-position: 0% 0; }
  100% { background-position: 200% 0; }
}

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

.hero-content,
.section-title,
.category-card,
.feature-block,
.stat-item,
.content-wall-item,
.faq-item,
.cta-banner {
  animation: fadeInUp 0.6s ease both;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .feature-block { grid-template-columns: 1fr; gap: 40px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .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: 68px;
    left: 0;
    width: 100%;
    background: rgba(251, 247, 240, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid rgba(255, 94, 58, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
  }
  .main-nav.open a { font-size: 1rem; padding: 8px 0; }
  .main-nav.open .nav-cta {
    display: inline-block;
    text-align: center;
    margin-top: 8px;
  }
  .section { padding: 64px 0; }
  .section-title { font-size: 1.8rem; }
  .hero h1 { font-size: 2.2rem; }
  .hero { min-height: auto; padding: 120px 0 80px; }
  .hero::before { width: 300px; height: 300px; }
  .cta-banner { padding: 40px 24px; }
  .cta-banner h2 { font-size: 1.5rem; }
}

@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; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .header-inner { padding: 0 16px; }
  .container { padding: 0 16px; }
  .section { padding: 48px 0; }
  .section-title { font-size: 1.5rem; }
  .section-desc { font-size: 0.95rem; }
  .stat-number { font-size: 1.8rem; }
  .footer-bottom { font-size: 0.75rem; }
}