/* ============================================
   GamePlus 落地頁 - 紅金黑 Casino 風格
   ============================================ */

/* CSS Reset & Variables */
:root {
  --color-bg: #0a0000;
  --color-bg-2: #1a0606;
  --color-bg-3: #2a0a0a;
  --color-red: #c41e3a;
  --color-red-dark: #8b0000;
  --color-red-bright: #ff1744;
  --color-gold: #ffd700;
  --color-gold-2: #d4af37;
  --color-gold-light: #fff4a3;
  --color-orange: #ff8800;
  --color-text: #ffffff;
  --color-text-dim: #ccc;
  --color-text-muted: #888;
  --shadow-gold: 0 0 30px rgba(255, 215, 0, 0.5);
  --shadow-red: 0 0 40px rgba(196, 30, 58, 0.6);
  --gradient-gold: linear-gradient(135deg, #ffd700 0%, #ffaa00 50%, #ffd700 100%);
  --gradient-red: linear-gradient(135deg, #c41e3a 0%, #8b0000 100%);
  --gradient-cta: linear-gradient(135deg, #ff8800 0%, #ff1744 50%, #ff8800 100%);
  --font-main: 'Noto Sans HK', 'PingFang HK', 'Microsoft JhengHei', sans-serif;
  --font-display: 'Bebas Neue', 'Noto Sans HK', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 70px; /* 給浮動底部 CTA 留空間 */
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; }

/* ============================================
   通用 CTA 按鈕
   ============================================ */
.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 48px;
  background: var(--gradient-cta);
  background-size: 200% 200%;
  color: #fff;
  font-weight: 900;
  font-size: 1.25rem;
  border-radius: 50px;
  box-shadow: 0 8px 25px rgba(255, 23, 68, 0.5),
              0 0 0 3px rgba(255, 215, 0, 0.3),
              inset 0 1px 0 rgba(255, 255, 255, 0.4);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
  animation: ctaPulse 2s ease-in-out infinite, ctaGradient 3s ease infinite;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
  border: none;
  white-space: nowrap;
  min-width: 280px;
}

.cta:hover, .cta:active {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 35px rgba(255, 23, 68, 0.7),
              0 0 0 4px rgba(255, 215, 0, 0.5),
              inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.cta::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 50%; height: 100%;
  background: linear-gradient(90deg,
    transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: shineSlide 2.5s infinite;
}

.cta-arrow {
  font-size: 1.5em;
  display: inline-block;
  animation: arrowBounce 1.2s ease-in-out infinite;
}

@keyframes ctaPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}
@keyframes ctaGradient {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
@keyframes shineSlide {
  0% { left: -100%; }
  100% { left: 200%; }
}
@keyframes arrowBounce {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(6px); }
}

.cta-mini {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  background: var(--gradient-gold);
  color: #1a0000;
  font-weight: 900;
  font-size: 0.9rem;
  border-radius: 30px;
  box-shadow: 0 3px 10px rgba(255, 215, 0, 0.4);
  text-shadow: none;
  letter-spacing: 0.5px;
}

.cta-section, .cta-final {
  margin: 30px auto 0;
  display: flex;
}

.cta-final {
  font-size: 1.4rem;
  padding: 22px 50px;
}

/* ============================================
   HERO 區
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  background: radial-gradient(ellipse at top, #3a0a0a 0%, #1a0000 50%, #0a0000 100%);
  overflow: hidden;
  padding: 0 20px 40px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255, 215, 0, 0.08) 0%, transparent 30%),
    radial-gradient(circle at 80% 70%, rgba(196, 30, 58, 0.15) 0%, transparent 40%),
    repeating-linear-gradient(45deg,
      transparent 0px, transparent 20px,
      rgba(255, 215, 0, 0.02) 20px, rgba(255, 215, 0, 0.02) 21px);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: 30%; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.2) 0%, transparent 60%);
  filter: blur(40px);
  pointer-events: none;
  animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.5; transform: translateX(-50%) scale(1); }
  50% { opacity: 0.8; transform: translateX(-50%) scale(1.1); }
}

/* Topbar */
.topbar {
  position: relative;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
}

.logo {
  height: 50px;
  width: auto;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
}

.hero-inner {
  position: relative;
  z-index: 5;
  text-align: center;
  padding-top: 30px;
  max-width: 600px;
  margin: 0 auto;
}

.badge-top {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255, 215, 0, 0.15);
  border: 1px solid rgba(255, 215, 0, 0.4);
  color: var(--color-gold-light);
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 20px;
  margin-bottom: 20px;
  backdrop-filter: blur(10px);
}

.hero-title {
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.title-line-1, .title-line-2 {
  font-size: 2rem;
  color: var(--color-text);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.title-amount {
  font-family: var(--font-display);
  font-size: 5.5rem;
  background: var(--gradient-gold);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.6));
  letter-spacing: 2px;
  animation: amountGlow 2.5s ease-in-out infinite;
}

@keyframes amountGlow {
  0%, 100% { filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.6)); }
  50% { filter: drop-shadow(0 0 35px rgba(255, 215, 0, 0.9)); }
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--color-text-dim);
  margin-bottom: 28px;
  font-weight: 500;
}

/* Countdown */
.countdown-box {
  display: inline-block;
  padding: 14px 24px;
  background: rgba(0, 0, 0, 0.5);
  border: 2px solid var(--color-gold);
  border-radius: 16px;
  margin-bottom: 30px;
  backdrop-filter: blur(10px);
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

.countdown-label {
  font-size: 0.85rem;
  color: var(--color-gold-light);
  margin-bottom: 8px;
  letter-spacing: 1px;
  font-weight: 700;
}

.countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.time-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--color-red-dark);
  padding: 8px 14px;
  border-radius: 8px;
  min-width: 60px;
  border: 1px solid var(--color-gold-2);
}

.time-block span {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--color-gold);
  line-height: 1;
}

.time-block small {
  font-size: 0.7rem;
  color: var(--color-text-dim);
  margin-top: 2px;
}

.time-sep {
  font-size: 1.8rem;
  color: var(--color-gold);
  font-weight: 900;
}

.trust-row {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 1.5rem;
  color: var(--color-gold);
}

.trust-item span {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  font-weight: 600;
}

/* ============================================
   通用 Section
   ============================================ */
section {
  padding: 60px 20px;
  position: relative;
}

.section-title {
  text-align: center;
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 12px;
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.title-deco {
  color: var(--color-gold);
  font-size: 1.2em;
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.8);
  animation: starTwinkle 1.5s ease-in-out infinite;
}

@keyframes starTwinkle {
  0%, 100% { opacity: 1; transform: rotate(0); }
  50% { opacity: 0.6; transform: rotate(180deg); }
}

.section-sub {
  text-align: center;
  color: var(--color-text-dim);
  margin-bottom: 36px;
  font-size: 1rem;
}

/* ============================================
   四大優惠
   ============================================ */
.benefits {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-2) 100%);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 700px;
  margin: 0 auto;
}

.benefit-card {
  background: linear-gradient(160deg, #2a0808 0%, #1a0404 100%);
  border: 2px solid var(--color-gold-2);
  border-radius: 16px;
  padding: 24px 16px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5),
              inset 0 1px 0 rgba(255, 215, 0, 0.2);
  transition: transform 0.3s, box-shadow 0.3s;
}

.benefit-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-gold);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(255, 215, 0, 0.3),
              inset 0 1px 0 rgba(255, 215, 0, 0.4);
}

.benefit-icon {
  font-size: 2.4rem;
  margin-bottom: 10px;
  filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.4));
}

.benefit-amount {
  font-family: var(--font-display);
  font-size: 3rem;
  background: var(--gradient-gold);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.benefit-amount small {
  font-size: 0.5em;
  margin-left: 2px;
}

.benefit-title {
  font-size: 1rem;
  font-weight: 900;
  color: var(--color-gold-light);
  margin-bottom: 8px;
}

.benefit-desc {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  line-height: 1.4;
}

/* ============================================
   遊戲類別
   ============================================ */
.games {
  background: var(--color-bg-2);
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-width: 700px;
  margin: 0 auto;
}

.game-cat {
  background: linear-gradient(135deg, #1a0606 0%, #0a0000 100%);
  border: 1px solid rgba(255, 215, 0, 0.3);
  border-radius: 14px;
  padding: 20px 14px;
  text-align: center;
  transition: all 0.3s;
}

.game-cat:hover {
  border-color: var(--color-gold);
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.2);
  transform: scale(1.03);
}

.game-cat-icon {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.game-cat-name {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--color-gold);
  margin-bottom: 6px;
}

.game-cat-desc {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  line-height: 1.5;
}

/* ============================================
   遊戲供應商
   ============================================ */
.providers {
  background: linear-gradient(180deg, var(--color-bg-2) 0%, var(--color-bg) 100%);
}

.providers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  max-width: 600px;
  margin: 0 auto;
}

.provider-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #2a0808 0%, #0f0202 100%);
  border: 1.5px solid var(--color-gold-2);
  border-radius: 10px;
  padding: 14px 8px;
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-gold);
  letter-spacing: 1px;
  text-shadow: 0 0 8px rgba(255, 215, 0, 0.5);
  min-height: 70px;
  transition: all 0.3s;
}

.provider-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
  border-color: var(--color-gold);
}

.provider-badge small {
  display: block;
  font-family: var(--font-main);
  font-size: 0.65rem;
  color: var(--color-text-dim);
  margin-top: 2px;
  letter-spacing: 0;
  font-weight: 600;
  text-shadow: none;
}

/* ============================================
   信任．存提款
   ============================================ */
.trust {
  background: var(--color-bg);
}

.trust-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 600px;
  margin: 0 auto 40px;
}

.trust-feature {
  display: flex;
  align-items: center;
  gap: 16px;
  background: linear-gradient(135deg, #1a0606 0%, #0a0000 100%);
  border-left: 3px solid var(--color-gold);
  border-radius: 8px;
  padding: 18px;
}

.tf-icon {
  font-size: 2.2rem;
  flex-shrink: 0;
  filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.4));
}

.tf-title {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--color-gold-light);
  margin-bottom: 4px;
}

.tf-desc {
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

.payment-row {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.payment-label {
  color: var(--color-text-dim);
  font-size: 0.9rem;
  margin-bottom: 14px;
}

.payment-badges {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.payment-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: #1a0000;
  border-radius: 10px;
  padding: 10px 20px;
  font-weight: 900;
  min-width: 100px;
  box-shadow: 0 2px 10px rgba(255, 255, 255, 0.1);
}

.payment-badge.fps {
  background: linear-gradient(135deg, #00b894 0%, #00795e 100%);
  color: #fff;
  font-size: 1.3rem;
}

.payment-badge.bank {
  background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
  color: #fff;
  font-size: 1.5rem;
}

.payment-badge.usdt {
  background: linear-gradient(135deg, #26a17b 0%, #1a7a5b 100%);
  color: #fff;
  font-size: 1.5rem;
}

.payment-badge small {
  display: block;
  font-size: 0.7rem;
  margin-top: 4px;
  font-weight: 600;
  opacity: 0.95;
}

/* ============================================
   玩家好評
   ============================================ */
.reviews {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-2) 100%);
}

.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 600px;
  margin: 0 auto;
}

.review-card {
  background: linear-gradient(135deg, #1a0606 0%, #0a0000 100%);
  border: 1px solid rgba(255, 215, 0, 0.25);
  border-radius: 12px;
  padding: 20px;
  position: relative;
}

.review-stars {
  color: var(--color-gold);
  font-size: 1.1rem;
  margin-bottom: 10px;
  letter-spacing: 2px;
}

.review-text {
  font-size: 0.95rem;
  color: var(--color-text-dim);
  margin-bottom: 12px;
  line-height: 1.6;
  font-style: italic;
}

.review-author {
  font-size: 0.85rem;
  color: var(--color-gold-light);
  font-weight: 700;
  text-align: right;
}

/* ============================================
   最終 CTA
   ============================================ */
.final-cta {
  background: radial-gradient(ellipse at center, #3a0a0a 0%, #0a0000 70%);
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 70px 20px;
}

.final-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.25) 0%, transparent 60%);
  filter: blur(50px);
  pointer-events: none;
  animation: glowPulse 3s ease-in-out infinite;
}

.final-title {
  position: relative;
  z-index: 2;
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 12px;
  line-height: 1.3;
}

.final-highlight {
  display: inline-block;
  font-size: 2.4rem;
  background: var(--gradient-gold);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 15px rgba(255, 215, 0, 0.6));
  margin-top: 6px;
}

.final-sub {
  position: relative;
  z-index: 2;
  color: var(--color-text-dim);
  margin-bottom: 28px;
  font-size: 1rem;
}

.final-trust {
  position: relative;
  z-index: 2;
  margin-top: 24px;
  color: var(--color-gold-light);
  font-size: 0.85rem;
  font-weight: 600;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: #050000;
  padding: 24px 20px;
  text-align: center;
  border-top: 1px solid rgba(255, 215, 0, 0.15);
}

.age-warning {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  padding: 8px 16px;
  background: rgba(196, 30, 58, 0.15);
  border: 1px solid rgba(196, 30, 58, 0.4);
  border-radius: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

.age-icon {
  background: var(--color-red);
  color: #fff;
  font-weight: 900;
  font-size: 0.9rem;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.age-text {
  font-size: 0.75rem;
  color: var(--color-text-dim);
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}

/* ============================================
   浮動客服
   ============================================ */
.float-service {
  position: fixed;
  right: 14px;
  bottom: 90px;
  width: 60px;
  height: 60px;
  background: var(--gradient-gold);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #1a0000;
  font-size: 0.65rem;
  font-weight: 900;
  text-align: center;
  line-height: 1;
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.5);
  z-index: 100;
}

.float-icon {
  font-size: 1.5rem;
  margin-bottom: 2px;
}

.float-text {
  font-size: 0.6rem;
}

.float-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--color-gold);
  animation: pulseRing 2s infinite;
  pointer-events: none;
}

@keyframes pulseRing {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ============================================
   浮動底部 CTA（手機）
   ============================================ */
.float-bottom-cta {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--gradient-cta);
  background-size: 200% 200%;
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
  font-weight: 900;
  font-size: 1rem;
  box-shadow: 0 -4px 20px rgba(255, 23, 68, 0.4);
  z-index: 99;
  animation: ctaGradient 3s ease infinite;
  border-top: 2px solid var(--color-gold);
}

.float-arrow {
  font-size: 0.95rem;
  background: rgba(0, 0, 0, 0.25);
  padding: 6px 14px;
  border-radius: 30px;
}

/* ============================================
   Desktop / 大螢幕
   ============================================ */
@media (min-width: 768px) {
  .hero-inner { padding-top: 50px; max-width: 800px; }
  .title-line-1, .title-line-2 { font-size: 2.5rem; }
  .title-amount { font-size: 7rem; }
  .hero-sub { font-size: 1.3rem; }
  .section-title { font-size: 2.2rem; }
  .section-sub { font-size: 1.1rem; }

  .benefits-grid {
    grid-template-columns: repeat(4, 1fr);
    max-width: 1100px;
    gap: 20px;
  }

  .benefit-card { padding: 30px 20px; }
  .benefit-icon { font-size: 3rem; }
  .benefit-amount { font-size: 3.5rem; }
  .benefit-title { font-size: 1.15rem; }
  .benefit-desc { font-size: 0.9rem; }

  .games-grid {
    grid-template-columns: repeat(4, 1fr);
    max-width: 1100px;
    gap: 18px;
  }

  .providers-grid {
    grid-template-columns: repeat(6, 1fr);
    max-width: 1100px;
    gap: 14px;
  }

  .provider-badge { padding: 18px 10px; font-size: 1.6rem; min-height: 80px; }

  .trust-features {
    grid-template-columns: repeat(3, 1fr);
    max-width: 1100px;
  }

  .reviews-grid {
    grid-template-columns: repeat(3, 1fr);
    max-width: 1100px;
  }

  .final-title { font-size: 2.4rem; }
  .final-highlight { font-size: 3.2rem; }

  /* Desktop 隱藏底部固定 CTA */
  .float-bottom-cta { display: none; }
  body { padding-bottom: 0; }

  .float-service {
    width: 70px;
    height: 70px;
    right: 24px;
    bottom: 24px;
  }
}

@media (min-width: 1024px) {
  .hero-inner { max-width: 900px; }
  .title-amount { font-size: 8rem; }
  .cta { font-size: 1.4rem; padding: 22px 56px; }
  .cta-final { font-size: 1.6rem; padding: 26px 60px; }
}

/* ============================================
   減少動畫（無障礙 + 省電）
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}