/* ============================================
   HHpoker 0048 - Violet/Purple Theme
   客服服务导向 · 温暖可信赖
   ============================================ */

/* --- CSS Variables --- */
:root {
  --primary: #7c3aed;
  --primary-dark: #6d28d9;
  --primary-light: #a78bfa;
  --primary-bg: #f5f3ff;
  --primary-gradient: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #c084fc 100%);
  --hero-gradient: linear-gradient(135deg, #4c1d95 0%, #7c3aed 40%, #8b5cf6 100%);
  --accent: #f59e0b;
  --text-primary: #1e1b4b;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --bg-white: #ffffff;
  --bg-light: #faf9ff;
  --bg-card: #ffffff;
  --border-color: #e9d5ff;
  --shadow-sm: 0 1px 2px 0 rgba(124, 58, 237, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(124, 58, 237, 0.1), 0 2px 4px -2px rgba(124, 58, 237, 0.1);
  --shadow-lg: 0 10px 25px -3px rgba(124, 58, 237, 0.12), 0 4px 10px -4px rgba(124, 58, 237, 0.1);
  --shadow-xl: 0 20px 50px -12px rgba(124, 58, 237, 0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  background: var(--bg-white);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
}

/* --- Glass Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(124, 58, 237, 0.08);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-lg);
  background: rgba(255, 255, 255, 0.95);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-dark);
  letter-spacing: -0.5px;
}

.nav-logo i {
  font-size: 1.5rem;
  color: var(--primary);
}

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

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--primary-gradient);
  color: #fff !important;
  padding: 10px 22px !important;
  border-radius: 50px !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
  transition: var(--transition);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
}

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  padding: 8px;
}

.hamburger span {
  width: 26px;
  height: 2.5px;
  background: var(--primary-dark);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
  padding: 140px 24px 100px;
  background: var(--hero-gradient);
  position: relative;
  overflow: hidden;
  text-align: center;
  color: #fff;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -120px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 28px;
  animation: fadeInDown 0.6s ease;
}

.hero h1 {
  font-size: 2.9rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 650px;
  margin: 0 auto 36px;
  line-height: 1.7;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.3s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* --- Section Common --- */
.section {
  padding: 90px 24px;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-badge {
  display: inline-block;
  background: var(--primary-bg);
  color: var(--primary);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 14px;
  line-height: 1.3;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Features Grid --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
  color: var(--primary);
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--primary-gradient);
  color: #fff;
  transform: scale(1.05);
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- Stats Bar --- */
.stats-section {
  background: var(--primary-gradient);
  padding: 60px 24px;
  color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
}

.stat-item h3 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.stat-item p {
  font-size: 0.9rem;
  opacity: 0.85;
}

.stat-divider {
  width: 1px;
  background: rgba(255, 255, 255, 0.25);
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 0.95rem;
  margin-bottom: 14px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--primary);
  font-size: 0.9rem;
}

.testimonial-author h4 {
  font-size: 0.95rem;
  font-weight: 600;
}

.testimonial-author p {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* --- FAQ Accordion --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--primary-light);
}

.faq-question {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
  user-select: none;
  transition: var(--transition);
}

.faq-question i {
  transition: transform 0.3s ease;
  color: var(--primary);
  font-size: 0.9rem;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-item.active .faq-question {
  color: var(--primary);
  background: var(--primary-bg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* --- CTA Section --- */
.cta-section {
  background: var(--hero-gradient);
  padding: 80px 24px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -100px;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-container {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 32px;
  line-height: 1.7;
}

/* --- Footer --- */
.footer {
  background: #1e1b4b;
  color: #c4b5fd;
  padding: 60px 24px 30px;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 320px;
}

.footer-links h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: #a78bfa;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  font-size: 0.85rem;
}

/* --- Page: Club --- */
.club-hero {
  padding: 140px 24px 80px;
  background: linear-gradient(135deg, #1e1b4b 0%, #3b0764 50%, #4c1d95 100%);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.club-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.tier-card {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.tier-card.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-xl);
  transform: scale(1.03);
}

.tier-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-gradient);
  color: #fff;
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
}

.tier-card:hover {
  transform: translateY(-6px);
}

.tier-card.featured:hover {
  transform: scale(1.03) translateY(-6px);
}

.tier-name {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 16px 0 8px;
}

.tier-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 20px;
}

.tier-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-light);
}

.tier-features {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
}

.tier-features li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.tier-features li i {
  color: var(--primary);
  font-size: 0.8rem;
}

.club-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.club-card-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}

.club-card-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.club-card-img {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  background: var(--primary-gradient);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
}

.club-card-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.club-card-item p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.steps-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.step-item {
  text-align: center;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0 auto 18px;
}

.step-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* --- Page: Download --- */
.download-hero {
  padding: 140px 24px 80px;
  background: linear-gradient(135deg, #1e1b4b 0%, #4c1d95 50%, #6d28d9 100%);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.download-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.download-tab {
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  background: #fff;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.download-tab.active,
.download-tab:hover {
  background: var(--primary-gradient);
  color: #fff;
  border-color: transparent;
}

.download-content {
  display: none;
}

.download-content.active {
  display: block;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.qr-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  text-align: center;
  max-width: 500px;
  margin: 40px auto 0;
}

.qr-placeholder {
  width: 180px;
  height: 180px;
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--primary-light);
  background: var(--primary-bg);
}

.sys-req-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.sys-req-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
}

.sys-req-card i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.sys-req-card h4 {
  font-weight: 700;
  margin-bottom: 10px;
}

.sys-req-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.float-anim {
  animation: float 3s ease-in-out infinite;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .club-tiers { grid-template-columns: 1fr; max-width: 450px; margin-left: auto; margin-right: auto; }
  .club-cards { grid-template-columns: repeat(2, 1fr); }
  .steps-list { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-divider { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    padding: 100px 30px 30px;
    gap: 20px;
    transition: right 0.4s ease;
    box-shadow: var(--shadow-xl);
  }

  .nav-links.active {
    right: 0;
  }

  .hamburger {
    display: flex;
  }

  .hero h1 { font-size: 2rem; }
  .section-title { font-size: 1.7rem; }
  .features-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .club-cards { grid-template-columns: 1fr; }
  .steps-list { grid-template-columns: 1fr; }
  .sys-req-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; justify-content: center; }

  .tier-card.featured {
    transform: none;
  }
  .tier-card.featured:hover {
    transform: translateY(-6px);
  }
}

@media (max-width: 480px) {
  .hero { padding: 120px 20px 60px; }
  .hero h1 { font-size: 1.6rem; }
  .section { padding: 60px 20px; }
  .section-title { font-size: 1.5rem; }
}