/* ========== HHPOKER 彩虹城俱乐部 - 主样式表 ========== */

:root {
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: #6366f1;
  --accent: #f59e0b;
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --border: #334155;
  --gradient-hero: linear-gradient(135deg, #1e1b4b 0%, #312e81 30%, #4338ca 60%, #0f172a 100%);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ========== Navbar ========== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(99, 102, 241, 0.15);
  transition: all 0.3s ease;
}

#navbar.scrolled {
  background: rgba(15, 23, 42, 0.98);
  border-bottom-color: rgba(99, 102, 241, 0.35);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
}

.nav-logo i {
  color: var(--accent);
  font-size: 1.6rem;
}

.nav-logo span {
  background: linear-gradient(135deg, #818cf8, #c4b5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.25s;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-light);
  border-radius: 2px;
  transition: width 0.3s;
}

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

.nav-download-btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff !important;
  padding: 10px 22px;
  border-radius: 50px;
  font-weight: 600 !important;
  font-size: 0.9rem !important;
  box-shadow: 0 4px 20px rgba(79, 70, 229, 0.4);
  transition: all 0.3s !important;
}

.nav-download-btn:hover {
  box-shadow: 0 6px 28px rgba(79, 70, 229, 0.6);
  transform: translateY(-1px);
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    gap: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
  }
  .nav-links.open {
    max-height: 420px;
    padding: 16px 0;
  }
  .nav-links li {
    width: 100%;
    text-align: center;
    padding: 12px 0;
  }
  .nav-links a::after {
    display: none;
  }
}

/* ========== Hero ========== */
#hero {
  padding: 140px 24px 100px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

#hero::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 1;
}

.hero-content {
  flex: 1;
}

.hero-badge {
  display: inline-block;
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #a5b4fc;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-content h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #fff 0%, #c4b5fd 60%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 540px;
  line-height: 1.8;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  box-shadow: 0 6px 30px rgba(79, 70, 229, 0.45);
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(79, 70, 229, 0.6);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.3s;
  cursor: pointer;
}

.btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.hero-image {
  flex: 0 0 460px;
  position: relative;
}

.hero-image img {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 20px 80px rgba(79, 70, 229, 0.35);
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.5), rgba(245, 158, 11, 0.3));
  z-index: -1;
}

@media (max-width: 968px) {
  .hero-container {
    flex-direction: column;
    gap: 40px;
  }
  .hero-content h1 {
    font-size: 2.2rem;
  }
  .hero-image {
    flex: 0 0 auto;
    max-width: 460px;
    width: 100%;
  }
}

/* ========== Features ========== */
#features {
  padding: 100px 24px;
  background: #0a0f1e;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  padding: 5px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.section-header h2 {
  font-size: 2.6rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
  transition: all 0.35s;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  opacity: 0;
  transition: opacity 0.35s;
}

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

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.feature-icon.purple {
  background: rgba(99, 102, 241, 0.15);
  color: #818cf8;
}

.feature-icon.amber {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

.feature-icon.emerald {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
  #features {
    padding: 60px 20px;
  }
  .section-header h2 {
    font-size: 2rem;
  }
}

/* ========== Stats ========== */
#stats {
  padding: 80px 24px;
  background: linear-gradient(180deg, #0a0f1e 0%, var(--bg-dark) 100%);
}

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

.stat-item {
  padding: 32px 16px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg-card);
  transition: transform 0.3s;
}

.stat-item:hover {
  transform: scale(1.04);
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, #818cf8, #c4b5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: 8px;
  font-weight: 500;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat-number {
    font-size: 2rem;
  }
}

/* ========== Testimonials ========== */
#testimonials {
  padding: 100px 24px;
  background: var(--bg-dark);
}

.testimonials-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s;
}

.testimonial-card:hover {
  border-color: rgba(99, 102, 241, 0.4);
}

.testimonial-stars {
  color: var(--accent);
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.testimonial-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

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

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-author h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

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

@media (max-width: 768px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== FAQ ========== */
#faq {
  padding: 100px 24px;
  background: #0a0f1e;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color 0.3s;
}

.faq-item:hover {
  border-color: rgba(99, 102, 241, 0.3);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  padding: 22px 28px;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-question i {
  color: var(--primary-light);
  transition: transform 0.3s;
  font-size: 0.85rem;
}

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

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

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 28px 22px;
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ========== CTA ========== */
#cta {
  padding: 100px 24px;
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

#cta::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
  border-radius: 50%;
}

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

.cta-container h2 {
  font-size: 2.6rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 20px;
}

.cta-container p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 36px;
  line-height: 1.7;
}

.cta-container .btn-primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 8px 36px rgba(0, 0, 0, 0.25);
}

.cta-container .btn-primary:hover {
  box-shadow: 0 12px 44px rgba(0, 0, 0, 0.35);
}

/* ========== Footer ========== */
#footer {
  background: #070b14;
  padding: 64px 24px 32px;
  border-top: 1px solid var(--border);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
}

.footer-col h4 {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-col p,
.footer-col a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-decoration: none;
  display: block;
  margin-bottom: 10px;
  transition: color 0.25s;
  line-height: 1.6;
}

.footer-col a:hover {
  color: #a5b4fc;
}

.footer-bottom {
  max-width: 1200px;
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    gap: 28px;
  }
}

/* ========== Page Header (inner pages) ========== */
.page-header {
  padding: 140px 24px 60px;
  background: var(--gradient-hero);
  text-align: center;
}

.page-header h1 {
  font-size: 2.8rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.page-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ========== About Page ========== */
#about-content {
  padding: 80px 24px;
  background: var(--bg-dark);
}

.about-container {
  max-width: 1000px;
  margin: 0 auto;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-text h2 {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-image img {
  width: 100%;
  border-radius: 16px;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  text-align: center;
}

.value-card i {
  font-size: 2rem;
  color: var(--primary-light);
  margin-bottom: 16px;
}

.value-card h3 {
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.value-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-values {
    grid-template-columns: 1fr;
  }
}

/* ========== Download Page ========== */
#download-content {
  padding: 80px 24px;
  background: var(--bg-dark);
}

.download-container {
  max-width: 900px;
  margin: 0 auto;
}

.download-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 60px;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 28px;
  text-align: center;
  transition: all 0.3s;
}

.download-card:hover {
  border-color: var(--primary-light);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.download-card i {
  font-size: 2.5rem;
  color: var(--primary-light);
  margin-bottom: 16px;
}

.download-card h3 {
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.download-card p {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.download-steps {
  margin-top: 40px;
}

.download-steps h3 {
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 24px;
  text-align: center;
}

.step-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-item {
  text-align: center;
  padding: 24px;
  background: var(--bg-card);
  border-radius: 14px;
  border: 1px solid var(--border);
}

.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0 auto 14px;
}

.step-item h4 {
  color: #fff;
  margin-bottom: 8px;
}

.step-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .download-cards,
  .step-list {
    grid-template-columns: 1fr;
  }
}

/* ========== Contact Page ========== */
#contact-content {
  padding: 80px 24px;
  background: var(--bg-dark);
}

.contact-container {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info h2 {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 20px;
}

.contact-info p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-method i {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-method h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 4px;
}

.contact-method span {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
}

.contact-form h3 {
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: #0f172a;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  color: #fff;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-light);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

@media (max-width: 768px) {
  .contact-container {
    grid-template-columns: 1fr;
  }
}

/* ========== Animations ========== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}