/* ================================
   MrJack Bet - Style 1: Luxury Gold Casino
   Colors: #D4AF37 gold, #FFD700 bright gold, #0A0A0A black, #FFFFFF white
   Fonts: Playfair Display / Cinzel
   ================================ */

/* ================================
   CSS VARIABLES - Design Token System
   ================================ */
:root {
  /* === Color System === */
  /* Primary Colors (Luxury Gold) */
  --color-primary: #D4AF37;
  --color-primary-light: #FFD700;
  --color-primary-dark: #B8941F;
  --color-primary-rgb: 212, 175, 55;

  /* Secondary Colors */
  --color-secondary: #0A0A0A;
  --color-accent: #FFD700;

  /* Neutral Color System (Grayscale) */
  --color-white: #FFFFFF;
  --color-gray-50: #FAFAFA;
  --color-gray-100: #F5F5F5;
  --color-gray-200: #E5E5E5;
  --color-gray-300: #D4D4D4;
  --color-gray-400: #A3A3A3;
  --color-gray-500: #737373;
  --color-gray-600: #525252;
  --color-gray-700: #404040;
  --color-gray-800: #262626;
  --color-gray-900: #171717;
  --color-black: #000000;

  /* Background and Text */
  --color-background: #0A0A0A;
  --color-background-alt: #121212;
  --color-text: #FFFFFF;
  --color-text-secondary: #A3A3A3;

  /* Semantic Colors */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  --color-info: #3B82F6;

  /* === Spacing System (8px base) === */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */

  /* === Shadow System === */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

  /* Gold Glow Effects */
  --shadow-glow: 0 0 20px rgba(212, 175, 55, 0.5), 0 0 40px rgba(212, 175, 55, 0.3);
  --shadow-glow-sm: 0 0 10px rgba(212, 175, 55, 0.4);
  --shadow-glow-lg: 0 0 30px rgba(255, 215, 0, 0.6), 0 0 60px rgba(255, 215, 0, 0.3);

  /* Gold Gradient */
  --gradient-gold: linear-gradient(135deg, #D4AF37 0%, #FFD700 50%, #D4AF37 100%);
  --gradient-gold-dark: linear-gradient(135deg, #B8941F 0%, #D4AF37 50%, #B8941F 100%);

  /* === Border Radius System === */
  --radius-none: 0;
  --radius-sm: 0.25rem;    /* 4px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.75rem;    /* 12px */
  --radius-xl: 1rem;       /* 16px */
  --radius-2xl: 1.5rem;    /* 24px */
  --radius-3xl: 2rem;      /* 32px */
  --radius-full: 9999px;

  /* === Typography System === */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-secondary: 'Playfair Display', Georgia, serif;
  --font-accent: 'Cinzel', 'Playfair Display', serif;

  /* Font Sizes */
  --font-size-xs: 0.75rem;      /* 12px */
  --font-size-sm: 0.875rem;     /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-lg: 1.125rem;     /* 18px */
  --font-size-xl: 1.25rem;      /* 20px */
  --font-size-2xl: 1.5rem;      /* 24px */
  --font-size-3xl: 1.875rem;    /* 30px */
  --font-size-4xl: 2.25rem;     /* 36px */
  --font-size-5xl: 3rem;        /* 48px */
  --font-size-6xl: 3.75rem;     /* 60px */

  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Line Heights */
  --line-height-none: 1;
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  /* === Transition Effects === */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* === Container Widths === */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;

  /* === Z-index Levels === */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ================================
   RESET & BASE STYLES
   ================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-background);
  line-height: var(--line-height-normal);
  min-height: 100vh;
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* ================================
   TYPOGRAPHY
   ================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

h1 {
  font-size: var(--font-size-5xl);
  font-family: var(--font-accent);
  margin-bottom: var(--space-6);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

h2 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-5);
  position: relative;
}

h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--gradient-gold);
  margin-top: var(--space-4);
  box-shadow: var(--shadow-glow-sm);
}

h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

p {
  margin-bottom: var(--space-4);
  line-height: var(--line-height-relaxed);
  max-width: 75ch;
  color: var(--color-gray-300);
}

.content-area ul,
.content-area ol {
  margin-left: var(--space-6);
  margin-bottom: var(--space-4);
  list-style: disc;
}

.content-area ul ul,
.content-area ol ol {
  list-style: circle;
}

.content-area li {
  margin-bottom: var(--space-2);
  line-height: var(--line-height-relaxed);
  color: var(--color-gray-300);
}

strong {
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
}

em {
  font-style: italic;
}

/* ================================
   LAYOUT - CONTAINER
   ================================ */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.container-sm {
  max-width: var(--container-sm);
}

.container-lg {
  max-width: var(--container-2xl);
}

/* ================================
   HEADER COMPONENT
   ================================ */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  transition: all var(--transition-base);
  overflow-x: hidden;
  width: 100%;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
  gap: var(--space-8);
}

.logo {
  height: 32px !important;
  width: auto !important;
  max-height: 32px !important;
  transition: transform var(--transition-base);
}

.logo img {
  height: 32px !important;
  width: auto !important;
  max-height: 32px !important;
}

.logo:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: inline-block;
  color: var(--color-gray-300);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
}

.nav-link:hover {
  color: var(--color-primary);
  background: rgba(212, 175, 55, 0.1);
}

.nav-link.active {
  color: var(--color-primary);
}

.nav-cta-buttons {
  display: flex;
  gap: var(--space-3);
}

/* Mobile Menu Button */
.mobile-menu-button {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-primary);
}

.mobile-menu-button svg {
  width: 24px;
  height: 24px;
}

/* ================================
   HERO SECTION COMPONENT
   ================================ */
.hero-section {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
  padding: var(--space-16) 0;
}

/* Background Overlay for Text Readability */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.85) 0%,
    rgba(0, 0, 0, 0.6) 50%,
    rgba(0, 0, 0, 0.75) 100%
  );
  z-index: 1;
}

/* Gold accent line */
.hero-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-gold);
  z-index: 2;
}

.hero-section .container {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: var(--container-lg);
}

.hero-section h1 {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-6);
  line-height: var(--line-height-tight);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

.hero-section h1 span {
  color: var(--color-primary);
  text-shadow: var(--shadow-glow-sm);
}

.hero-intro {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-8);
  line-height: var(--line-height-relaxed);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.hero-cta-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ================================
   BUTTON COMPONENT
   ================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  line-height: 1.2;
}

.btn-primary {
  background: var(--gradient-gold);
  color: var(--color-black);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  text-shadow: none;
}

.btn-primary:hover {
  background: var(--gradient-gold-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-lg);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-glow-sm);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background: rgba(212, 175, 55, 0.1);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-sm);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--font-size-lg);
}

/* ================================
   CONTENT BLOCK COMPONENT
   ================================ */
.content-block {
  padding: var(--space-16) 0;
}

.content-block:nth-child(even) {
  background: var(--color-background-alt);
}

.content-block .block-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.content-block.vertical .block-container {
  grid-template-columns: 1fr;
  max-width: var(--container-md);
  margin: 0 auto;
  text-align: center;
}

.content-block.vertical h2::after {
  margin-left: auto;
  margin-right: auto;
}

.content-block.reverse .block-container {
  direction: rtl;
}

.content-block.reverse .block-text,
.content-block.reverse .block-image {
  direction: ltr;
}

.block-text {
  padding: var(--space-6);
}

.block-text h2 {
  color: var(--color-white);
  margin-bottom: var(--space-6);
}

.block-text h3 {
  color: var(--color-primary);
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.block-text p {
  color: var(--color-gray-300);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
}

.block-image {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.block-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

.block-image:hover img {
  transform: scale(1.05);
}

/* ================================
   CONTENT GRID COMPONENT
   ================================ */
.content-grid-section {
  padding: var(--space-16) 0;
}

.content-grid-section h2 {
  text-align: center;
  margin-bottom: var(--space-12);
}

.content-grid-section h2::after {
  margin-left: auto;
  margin-right: auto;
}

.content-grid {
  display: grid;
  gap: var(--space-8);
}

.content-grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.content-grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.content-grid.cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-item {
  background: linear-gradient(180deg, #1a1a1a 0%, #0a0a0a 100%);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(212, 175, 55, 0.2);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.grid-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2xl), var(--shadow-glow-sm);
  border-color: rgba(255, 215, 0, 0.5);
}

.grid-item picture,
.grid-item .grid-item-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  flex-shrink: 0;
}

.grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.grid-item:hover img {
  transform: scale(1.1);
}

.grid-item-content {
  padding: var(--space-6);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.grid-item h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
  color: var(--color-white);
}

.grid-item p {
  font-size: var(--font-size-base);
  color: var(--color-gray-400);
  line-height: var(--line-height-relaxed);
  flex-grow: 1;
}

/* ================================
   TABLE COMPONENT
   ================================ */
.table-wrapper {
  overflow-x: auto;
  margin: var(--space-6) 0;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.2);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-background-alt);
}

th, td {
  padding: var(--space-4);
  text-align: left;
  border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

th {
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

td {
  color: var(--color-gray-300);
}

tr:hover td {
  background: rgba(212, 175, 55, 0.05);
}

/* ================================
   FAQ COMPONENT
   ================================ */
.faq-section {
  padding: var(--space-16) 0;
}

.faq-item {
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  overflow: hidden;
  background: var(--color-background-alt);
}

.faq-question {
  width: 100%;
  padding: var(--space-5) var(--space-6);
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  color: var(--color-white);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  transition: all var(--transition-base);
}

.faq-question:hover {
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-primary);
}

.faq-icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  transition: transform var(--transition-base);
}

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

.faq-answer {
  padding: 0 var(--space-6) var(--space-5);
  color: var(--color-gray-300);
  line-height: var(--line-height-relaxed);
}

/* ================================
   CTA SECTION COMPONENT
   ================================ */
.cta-section {
  padding: var(--space-16) 0;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(10, 10, 10, 1) 50%, rgba(212, 175, 55, 0.1) 100%);
  text-align: center;
  border-top: 1px solid rgba(212, 175, 55, 0.2);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.cta-section h2::after {
  margin-left: auto;
  margin-right: auto;
}

.cta-section p {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-8);
}

/* ================================
   CONCLUSION SECTION
   ================================ */
.conclusion-section {
  padding: var(--space-16) 0;
  background: var(--color-background-alt);
}

.conclusion-section .container {
  max-width: var(--container-md);
  text-align: center;
}

.conclusion-section h2 {
  margin-bottom: var(--space-6);
}

.conclusion-section h2::after {
  margin-left: auto;
  margin-right: auto;
}

.conclusion-section p {
  font-size: var(--font-size-lg);
  color: var(--color-gray-300);
  margin: 0 auto var(--space-4);
}

/* ================================
   FOOTER COMPONENT
   ================================ */
.footer {
  background: var(--color-black);
  color: var(--color-gray-400);
  padding: var(--space-16) 0 var(--space-8);
  border-top: 1px solid rgba(212, 175, 55, 0.3);
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-section h3 {
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
  font-family: var(--font-secondary);
}

.footer-section p,
.footer-section a {
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.footer-section a:hover {
  color: var(--color-primary);
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.payment-icons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.payment-icons img {
  height: 32px;
  width: auto;
  opacity: 0.7;
  transition: opacity var(--transition-base);
  filter: grayscale(50%);
}

.payment-icons img:hover {
  opacity: 1;
  filter: grayscale(0%);
}

.responsible-gaming {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: rgba(239, 68, 68, 0.1);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.responsible-gaming img {
  width: 40px;
  height: 40px;
}

.responsible-gaming p {
  color: var(--color-gray-400);
  font-size: var(--font-size-xs);
  margin: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(212, 175, 55, 0.2);
  padding-top: var(--space-6);
  text-align: center;
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
}

.footer-bottom a {
  color: var(--color-gray-500);
}

.footer-bottom a:hover {
  color: var(--color-primary);
}

.affiliate-disclosure {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: rgba(212, 175, 55, 0.05);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

/* ================================
   RESPONSIVE DESIGN
   ================================ */

/* Tablet (1024px and below) */
@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
  }

  .content-block .block-container {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .content-grid.cols-3,
  .content-grid.cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-menu {
    gap: var(--space-2);
  }
}

/* Mobile (768px and below) */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
  }

  .header {
    overflow: visible;
  }

  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
    max-width: 100%;
    overflow-x: hidden;
  }

  /* 防止表格溢出 */
  table {
    display: block;
    overflow-x: auto;
    max-width: 100%;
  }

  .comparison-table-wrapper,
  .score-table-wrapper,
  .full-comparison-table {
    overflow-x: auto;
    max-width: 100%;
    -webkit-overflow-scrolling: touch;
  }

  /* 确保所有元素不超出屏幕 */
  .hero,
  .main-content,
  .footer,
  section:not(.header) {
    max-width: 100vw;
    overflow-x: hidden;
  }

  /* header、container、nav需要overflow:visible才能显示下拉菜单 */
  .header,
  .header .container,
  .nav {
    overflow: visible !important;
  }

  .hero-section {
    min-height: 500px;
    padding: var(--space-12) 0;
  }

  .hero-section h1 {
    font-size: var(--font-size-3xl);
  }

  .hero-intro {
    font-size: var(--font-size-lg);
  }

  .nav-menu {
    display: none;
  }

  .nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    padding: var(--space-4);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    z-index: 9999;
    max-height: none;
    height: auto;
    overflow: visible;
  }

  .mobile-menu-button {
    display: block;
  }

  .content-grid.cols-2,
  .content-grid.cols-3,
  .content-grid.cols-4 {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  /* 只让内容区的按钮全宽，不影响导航栏按钮 */
  .hero-cta-buttons .btn,
  .cta-box .btn,
  .main-content .btn-lg {
    width: 100%;
    padding: var(--space-4) var(--space-6);
  }

  /* 导航栏按钮保持自动宽度 */
  .nav > .btn {
    width: auto;
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
  }

  .hero-cta-buttons {
    flex-direction: column;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  h2::after {
    margin-left: auto;
    margin-right: auto;
  }
}

/* ================================
   UTILITY CLASSES
   ================================ */
.text-center {
  text-align: center;
}

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

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

.text-primary {
  color: var(--color-primary);
}

.text-white {
  color: var(--color-white);
}

.bg-dark {
  background: var(--color-background);
}

.bg-dark-alt {
  background: var(--color-background-alt);
}

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

.hidden {
  display: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Gold highlight */
.gold-highlight {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-success {
  background: rgba(16, 185, 129, 0.2);
  color: var(--color-success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: var(--color-warning);
}

.badge-error {
  background: rgba(239, 68, 68, 0.2);
  color: var(--color-error);
}

.badge-gold {
  background: rgba(212, 175, 55, 0.2);
  color: var(--color-primary);
}

/* Score card */
.score-card {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--radius-lg);
}

.score-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.score-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}

/* Alert box */
.alert {
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg);
  margin: var(--space-6) 0;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--color-warning);
}

.alert-info {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--color-info);
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--color-success);
}

/* Pros/Cons list */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin: var(--space-6) 0;
}

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

.pros-list,
.cons-list {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
}

.pros-list {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.cons-list {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.pros-list h4 {
  color: var(--color-success);
  margin-bottom: var(--space-4);
}

.cons-list h4 {
  color: var(--color-error);
  margin-bottom: var(--space-4);
}

.pros-list li::before {
  content: "\2713 ";
  color: var(--color-success);
  font-weight: bold;
}

.cons-list li::before {
  content: "\2717 ";
  color: var(--color-error);
  font-weight: bold;
}

/* ================================
   HTML COMPONENT STYLES
   Additional styles for HTML elements
   ================================ */

/* Nav Container */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  gap: var(--space-4);
  position: relative;
  width: 100%;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 48px;
  height: 48px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-3);
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: all var(--transition-base);
}

/* ================================
   HERO COMPONENT (HTML Structure)
   ================================ */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero.hero-small {
  min-height: 400px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.85) 0%,
    rgba(0, 0, 0, 0.6) 50%,
    rgba(0, 0, 0, 0.75) 100%
  );
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-8) 0;
}

.hero-badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: rgba(212, 175, 55, 0.2);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
}

.hero-title {
  font-family: var(--font-accent);
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-tight);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

.hero-title::after {
  display: none;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-8);
  line-height: var(--line-height-relaxed);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.hero-features {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
}

.hero-feature-icon {
  font-size: var(--font-size-xl);
}

/* ================================
   SECTION TITLES
   ================================ */
.section-title {
  font-family: var(--font-secondary);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-8);
  text-align: center;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--gradient-gold);
  margin: var(--space-4) auto 0;
  box-shadow: var(--shadow-glow-sm);
}

/* ================================
   CONTENT GRID (HTML Version)
   ================================ */
.content-grid {
  display: grid;
  gap: var(--space-8);
}

.content-grid-2 {
  grid-template-columns: 1fr 1fr;
}

.content-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.content-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.content-text {
  padding: var(--space-4);
}

.content-text p {
  color: var(--color-gray-300);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-4);
  max-width: none;
}

.content-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.2);
}

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

/* ================================
   FEATURE LIST
   ================================ */
.feature-list {
  list-style: none;
  margin: var(--space-4) 0;
  padding: 0;
}

.feature-list li {
  position: relative;
  padding-left: var(--space-6);
  margin-bottom: var(--space-3);
  color: var(--color-gray-300);
  line-height: var(--line-height-relaxed);
}

.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

/* ================================
   STEPS GUIDE
   ================================ */
.steps-guide {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 800px;
  margin: 0 auto;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-background-alt);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.2);
  transition: all var(--transition-base);
}

.step-item:hover {
  border-color: rgba(212, 175, 55, 0.5);
  transform: translateX(4px);
}

.step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-gold);
  color: var(--color-black);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-full);
}

.step-content h3 {
  font-size: var(--font-size-lg);
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.step-content h3::after {
  display: none;
}

.step-content p {
  color: var(--color-gray-400);
  font-size: var(--font-size-base);
  margin: 0;
}

/* ================================
   CTA BOX
   ================================ */
.cta-box {
  text-align: center;
  padding: var(--space-10);
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(10, 10, 10, 1) 50%, rgba(212, 175, 55, 0.1) 100%);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(212, 175, 55, 0.3);
  margin-top: var(--space-10);
}

.cta-subtext {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  margin-top: var(--space-4);
  margin-bottom: 0;
}

/* ================================
   FOOTER (HTML Version)
   ================================ */
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-logo {
  height: auto;
  max-width: 150px;
}

.footer-links h4 {
  color: var(--color-primary);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-4);
}

.footer-links h4::after {
  display: none;
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: var(--color-primary);
}

/* ================================
   SPORTS GRID
   ================================ */
.sports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.sport-card {
  background: var(--color-background-alt);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  border: 1px solid rgba(212, 175, 55, 0.2);
  text-align: center;
  transition: all var(--transition-base);
}

.sport-card:hover {
  border-color: rgba(212, 175, 55, 0.5);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-sm);
}

.sport-card.highlight {
  border-color: var(--color-primary);
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.1) 0%, var(--color-background-alt) 100%);
}

.sport-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: var(--space-4);
}

.sport-card h3 {
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.sport-card h3::after {
  display: none;
}

.sport-card p {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  margin: 0;
}

.sport-badge {
  display: inline-block;
  margin-top: var(--space-4);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary);
  color: var(--color-black);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

/* ================================
   FOOTBALL COVERAGE
   ================================ */
.football-coverage {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

.coverage-item {
  padding: var(--space-4);
  background: rgba(212, 175, 55, 0.1);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--color-primary);
}

.coverage-item h4 {
  color: var(--color-white);
  margin-bottom: var(--space-1);
}

.coverage-item h4::after {
  display: none;
}

.coverage-item p {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* ================================
   BET TYPES GRID
   ================================ */
.bet-types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
}

.bet-type {
  padding: var(--space-4);
  background: var(--color-background-alt);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.bet-type h4 {
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.bet-type h4::after {
  display: none;
}

.bet-type p {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* ================================
   RESPONSIBLE GAMING SECTION
   ================================ */
.responsible-gaming.content-block {
  background: rgba(239, 68, 68, 0.05);
  border-top: 1px solid rgba(239, 68, 68, 0.2);
  border-bottom: 1px solid rgba(239, 68, 68, 0.2);
}

.responsible-content {
  max-width: 600px;
  margin: 0 auto;
}

.responsible-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
}

.responsible-list li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-gray-300);
}

.responsible-list .icon {
  font-size: var(--font-size-xl);
}

/* ================================
   WITHDRAWAL SUMMARY
   ================================ */
.withdrawal-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.ws-card {
  text-align: center;
  padding: var(--space-6);
  background: var(--color-background-alt);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.ws-card.highlight {
  border-color: var(--color-primary);
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.15) 0%, var(--color-background-alt) 100%);
}

.ws-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: var(--space-2);
}

.ws-value {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.ws-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}

.ws-highlights {
  padding: var(--space-4);
  background: rgba(16, 185, 129, 0.1);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.ws-highlights ul {
  list-style: disc;
  margin-left: var(--space-6);
  color: var(--color-gray-300);
}

.ws-highlights li {
  margin-bottom: var(--space-2);
}

/* ================================
   PIX KEYS GRID
   ================================ */
.pix-keys-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.pix-key-card {
  padding: var(--space-5);
  background: var(--color-background-alt);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.2);
  text-align: center;
}

.pix-key-card.recommended {
  border-color: var(--color-success);
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.1) 0%, var(--color-background-alt) 100%);
}

.pix-key-card h4 {
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.pix-key-card h4::after {
  display: none;
}

.key-tip {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  margin: 0;
}

.pix-warning {
  padding: var(--space-4);
  background: rgba(245, 158, 11, 0.1);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--color-warning);
  text-align: center;
}

/* ================================
   PROBLEMS ACCORDION
   ================================ */
.problems-accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.problem-item {
  background: var(--color-background-alt);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.2);
  overflow: hidden;
}

.problem-item h4 {
  padding: var(--space-4) var(--space-5);
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-white);
  margin: 0;
}

.problem-item h4::after {
  display: none;
}

.problem-causes {
  padding: var(--space-4) var(--space-5);
}

.problem-causes ul {
  list-style: disc;
  margin-left: var(--space-6);
  color: var(--color-gray-300);
}

.problem-causes li {
  margin-bottom: var(--space-2);
}

/* ================================
   TIPS GRID
   ================================ */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.tip-card {
  padding: var(--space-6);
  border-radius: var(--radius-xl);
}

.tip-card.good {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.tip-card.bad {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.tip-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: var(--space-4);
}

.tip-card h4 {
  margin-bottom: var(--space-4);
}

.tip-card h4::after {
  display: none;
}

.tip-card.good h4 {
  color: var(--color-success);
}

.tip-card.bad h4 {
  color: var(--color-error);
}

.tip-card ul {
  list-style: disc;
  margin-left: var(--space-6);
  color: var(--color-gray-300);
}

.tip-card li {
  margin-bottom: var(--space-2);
}

/* ================================
   COMPARISON TABLE
   ================================ */
.comparison-table {
  overflow-x: auto;
  margin: var(--space-6) 0;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.comparison-table table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-background-alt);
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-4);
  text-align: center;
  border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.comparison-table th {
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.comparison-table td {
  color: var(--color-gray-300);
}

.comparison-table .highlight-row {
  background: rgba(212, 175, 55, 0.1);
}

.comparison-table .highlight-row td {
  color: var(--color-white);
  font-weight: var(--font-weight-medium);
}

.table-note {
  margin-top: var(--space-4);
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  text-align: center;
}

/* ================================
   ERROR PAGE (404)
   ================================ */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-content {
  text-align: center;
  max-width: 600px;
  padding: var(--space-8);
}

.error-code {
  font-size: 8rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-4);
  text-shadow: var(--shadow-glow);
}

.error-title {
  font-size: var(--font-size-3xl);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.error-message {
  color: var(--color-gray-400);
  margin-bottom: var(--space-8);
}

.error-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-bottom: var(--space-8);
}

.error-links {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.error-links h4 {
  color: var(--color-gray-400);
  margin-bottom: var(--space-4);
}

.error-links h4::after {
  display: none;
}

.error-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

.error-links a {
  color: var(--color-primary);
  transition: color var(--transition-base);
}

.error-links a:hover {
  color: var(--color-primary-light);
}

/* ================================
   ADDITIONAL PAGE-SPECIFIC STYLES
   ================================ */

/* Summary Cards (used in various pages) */
.summary-card {
  padding: var(--space-6);
  background: var(--color-background-alt);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.summary-card.highlight {
  border-color: var(--color-primary);
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.1) 0%, var(--color-background-alt) 100%);
}

/* Info Box */
.info-box {
  padding: var(--space-5);
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(59, 130, 246, 0.3);
  margin: var(--space-6) 0;
}

.info-box h4 {
  color: var(--color-info);
  margin-bottom: var(--space-3);
}

.info-box h4::after {
  display: none;
}

.info-box p {
  color: var(--color-gray-300);
  margin: 0;
}

/* Warning Box */
.warning-box {
  padding: var(--space-5);
  background: rgba(245, 158, 11, 0.1);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(245, 158, 11, 0.3);
  margin: var(--space-6) 0;
}

.warning-box h4 {
  color: var(--color-warning);
  margin-bottom: var(--space-3);
}

.warning-box h4::after {
  display: none;
}

/* Game Cards Grid */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}

.game-card {
  background: var(--color-background-alt);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.2);
  transition: all var(--transition-base);
}

.game-card:hover {
  border-color: rgba(212, 175, 55, 0.5);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-sm);
}

.game-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.game-card-content {
  padding: var(--space-4);
}

.game-card h4 {
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.game-card h4::after {
  display: none;
}

.game-card p {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* Feature Cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.feature-card {
  padding: var(--space-6);
  background: var(--color-background-alt);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(212, 175, 55, 0.2);
  text-align: center;
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: rgba(212, 175, 55, 0.5);
}

.feature-card .icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

.feature-card h4 {
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.feature-card h4::after {
  display: none;
}

.feature-card p {
  color: var(--color-gray-400);
  margin: 0;
}

/* Bonus Cards */
.bonus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.bonus-card {
  padding: var(--space-6);
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.1) 0%, var(--color-background-alt) 100%);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(212, 175, 55, 0.3);
  text-align: center;
}

.bonus-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.bonus-card h3::after {
  display: none;
}

.bonus-value {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

/* Support Cards */
.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
}

.support-card {
  padding: var(--space-6);
  background: var(--color-background-alt);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(212, 175, 55, 0.2);
  text-align: center;
  transition: all var(--transition-base);
}

.support-card:hover {
  border-color: rgba(212, 175, 55, 0.5);
}

.support-card .icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}

.support-card h4 {
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.support-card h4::after {
  display: none;
}

.support-card p {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* ================================
   RESPONSIVE ADDITIONS
   ================================ */
@media (max-width: 1024px) {
  .content-grid-2 {
    grid-template-columns: 1fr;
  }

  .content-grid-3,
  .content-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    flex-direction: column;
    padding: var(--space-4);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  }

  .nav-menu.active {
    display: flex;
    z-index: 9999;
    max-height: none;
    height: auto;
    overflow: visible;
  }

  .hero {
    min-height: 450px;
  }

  .hero.hero-small {
    min-height: 300px;
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-lg);
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .hero-features {
    flex-direction: column;
    gap: var(--space-4);
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

  .content-grid-2,
  .content-grid-3,
  .content-grid-4 {
    grid-template-columns: 1fr;
  }

  .step-item {
    flex-direction: column;
    text-align: center;
  }

  .error-code {
    font-size: 5rem;
  }

  .error-actions {
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .tips-grid {
    grid-template-columns: 1fr;
  }
}

/* ================================
   移动端修复 (768px以下)
   ================================ */
@media (max-width: 768px) {
  /* 防止水平滚动 */
  html, body {
    overflow-x: hidden;
    width: 100%;
  }
  
  /* Header导航布局 */
  .nav {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
  }
  
  /* 按钮保持紧凑 */
  .nav > .btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
    white-space: nowrap;
  }
  
  /* 隐藏桌面菜单 */
  .nav-menu {
    display: none;
  }
  
  /* 显示移动菜单(当active时) */
  .nav-menu.active {
    display: flex !important;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    padding: 1rem;
    z-index: 9999;
    gap: 0.5rem;
    max-height: 80vh;
    height: auto;
    overflow-y: auto;
  }
  
  /* 显示汉堡按钮 */
  .mobile-menu-btn {
    display: flex;
  }
  
  /* 防止内容溢出 */
  .container,
  .content-block,
  section {
    max-width: 100%;
    padding-left: 1rem;
    padding-right: 1rem;
    box-sizing: border-box;
  }
  
  /* 表格可滚动 */
  .comparison-table-wrapper,
  .score-table-wrapper,
  .full-comparison-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  table {
    min-width: 100%;
  }

  /* 确保菜单能完整显示 */
  .header,
  .header > .container,
  .nav {
    overflow: visible !important;
  }
}