/* ============================================
   新盛游戏网址 - 企业官网样式表
   风格：无障碍与伦理设计 · 扁平化设计
   ============================================ */

/* --- Design Tokens --- */
:root {
  --bg: #FFFFFF;
  --surface: #F2F5F8;
  --ink: #1A1A1A;
  --ink-soft: #40505C;
  --primary: #0B4F8A;
  --primary-dark: #093F6E;
  --primary-tint: #E8F1F9;
  --success: #1B5E20;
  --error: #B10E1E;
  --warn-ink: #6B4A00;
  --border: #C7D3DD;
  --radius: 8px;
  --max-w: 1200px;
  --font: 'Atkinson Hyperlegible', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--primary-dark); }

/* --- Focus Visible --- */
:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--primary);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius);
  z-index: 9999;
  font-weight: 700;
  text-decoration: none;
}
.skip-link:focus { top: 8px; }

/* --- Container --- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Header / Nav --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg);
  border-bottom: 2px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 800;
  font-size: 1.125rem;
}
.brand svg { flex-shrink: 0; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav-links a {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  min-height: 44px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 500;
  font-size: 0.9375rem;
  border-radius: var(--radius);
  transition: background 0.15s ease;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  background: var(--primary-tint);
  color: var(--primary);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 24px;4px;
  min-height: 44px;
  background: var(--primary);
  color: #fff !important;
  font-weight: 700;
  font-size: 0.9375rem;
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease;
}
.nav-cta:hover { background: var(--primary-dark); border-color: var(--primary-dark); }

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.menu-toggle svg { display: block; }

@media (max-width: 768px) {
  .menu-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 2px solid var(--border);
    padding: 16px 24px;
    gap: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; }
  .nav-cta { display: none; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 24px;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease;
  line-height: 1.4;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
  background: var(--surface);
  color: var(--primary);
  border-color: var(--primary);
}
.btn-secondary:hover { background: var(--primary-tint); }

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border-color: transparent;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.btn-ghost:hover { color: var(--primary-dark); }

/* --- Hero --- */
.hero {
  padding: 80px 0 64px;
  background: var(--surface);
  border-bottom: 2px solid var(--border);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 16px;
}
.hero-sub {
  font-size: 1.125rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 34em;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-graphic {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1;
  background: var(--primary-tint);
  border: 3px solid var(--primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.hero-graphic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius) - 3px);
}

@media (max-width: 768px) {
  .hero { padding: 48px 0 40px; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-visual { order: -1; }
  .hero-graphic { max-width: 280px; margin: 0 auto; }
}

/* --- Section --- */
.section {
  padding: 64px 0;
}
.section-alt {
  background: var(--surface);
  border-top: 2px solid var(--border);
  border-bottom: 2px solid var(--border);
}
.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 8px;
}
.section-desc {
  font-size: 1rem;
  color: var(--ink-soft);
  margin-bottom: 40px;
  max-width: 34em;
}

/* --- Cards Grid --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 768px) {
  .card-grid { grid-template-columns: 1fr; }
}
.card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.15s ease;
}
.card:hover { border-color: var(--primary); }
.card-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-tint);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.card-icon svg { width: 24px; height: 24px; color: var(--primary); }
.card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 8px;
}
.card p {
  font-size: 0.9375rem;
  color: var(--ink-soft);
  line-height: 1.6;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--primary);
  text-decoration: none;
}
.card-link:hover { text-decoration: underline; }

/* --- Chips --- */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  font-size: 0.8125rem;
  font-weight: 500;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--ink-soft);
}
.chip-primary {
  border-color: var(--primary);
  background: var(--primary-tint);
  color: var(--primary);
  font-weight: 700;
}

/* --- Team Grid --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 768px) {
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}
.team-card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: border-color 0.15s ease;
}
.team-card:hover { border-color: var(--primary); }
.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--primary-tint);
  border: 2px solid var(--primary);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.team-avatar img { width: 100%; height: 100%; object-fit: cover; }
.team-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.team-card .role { font-size: 0.875rem; color: var(--primary); font-weight: 500; margin-bottom: 8px; }
.team-card p { font-size: 0.875rem; color: var(--ink-soft); line-height: 1.5; }

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}
.contact-icon {
  width: 44px;
  height: 44px;
  background: var(--primary-tint);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-icon svg { width: 20px; height: 20px; color: var(--primary); }
.contact-item h3 { font-size: 0.9375rem; font-weight: 700; margin-bottom: 2px; }
.contact-item p, .contact-item a { font-size: 0.9375rem; color: var(--ink-soft); }

/* --- Form --- */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--ink);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font);
  font-size: 1rem;
  color: var(--ink);
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  min-height: 48px;
  transition: border-color 0.15s ease;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  outline: 3px solid var(--primary);
  outline-offset: 0;
}
.form-group textarea { min-height: 120px; resize: vertical; }

/* --- Footer --- */
.site-footer {
  background: var(--ink);
  color: #fff;
  padding: 48px 0 24px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
.footer-brand { font-size: 1.125rem; font-weight: 800; margin-bottom: 12px; }
.footer-desc { font-size: 0.875rem; color: #a0aec0; line-height: 1.6; max-width: 30em; }
.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  color: #fff;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  color: #a0aec0;
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.15s ease;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid #2d3748;
  padding-top: 24px;
  font-size: 0.8125rem;
  color: #a0aec0;
  text-align: center;
}

/* --- Page Header (inner pages) --- */
.page-header {
  padding: 48px 0;
  background: var(--surface);
  border-bottom: 2px solid var(--border);
}
.page-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 900;
  line-height: 1.2;
}
.page-header p {
  font-size: 1.0625rem;
  color: var(--ink-soft);
  margin-top: 8px;
  max-width: 34em;
}
.breadcrumb {
  display: flex;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--ink-soft);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--primary); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: var(--ink-soft); }

/* --- Product List --- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 768px) {
  .product-grid { grid-template-columns: 1fr; }
}
.product-card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.15s ease;
}
.product-card:hover { border-color: var(--primary); }
.product-thumb {
  width: 100%;
  aspect-ratio: 16/10;
  background: var(--primary-tint);
  overflow: hidden;
}
.product-thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-body { padding: 20px; }
.product-body h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 8px; }
.product-body p { font-size: 0.9375rem; color: var(--ink-soft); line-height: 1.6; margin-bottom: 12px; }

/* --- Login Page --- */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 72px - 200px);
  padding: 48px 24px;
}
.login-box {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
}
.login-box h1 {
  font-size: 1.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 8px;
}
.login-box .login-sub {
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.9375rem;
  margin-bottom: 32px;
}

/* --- Download Page --- */
.download-hero {
  text-align: center;
  padding: 64px 0;
}
.download-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 900;
  margin-bottom: 16px;
}
.download-hero p {
  font-size: 1.0625rem;
  color: var(--ink-soft);
  max-width: 34em;
  margin: 0 auto 32px;
}
.download-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}
@media (max-width: 768px) {
  .download-options { grid-template-columns: 1fr; }
}
.download-card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: border-color 0.15s ease;
}
.download-card:hover { border-color: var(--primary); }
.download-card svg { margin: 0 auto 16px; color: var(--primary); }
.download-card h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 8px; }
.download-card p { font-size: 0.875rem; color: var(--ink-soft); margin-bottom: 16px; }

/* --- About Page --- */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 768px) {
  .about-content { grid-template-columns: 1fr; }
}
.about-text h2 { font-size: 1.5rem; font-weight: 800; margin-bottom: 16px; }
.about-text p { color: var(--ink-soft); margin-bottom: 16px; line-height: 1.7; }
.about-image {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--primary-tint);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.about-image img { width: 100%; height: 100%; object-fit: cover; }

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
@media (max-width: 768px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}
.stat-item { text-align: center; }
.stat-num { font-size: 2rem; font-weight: 900; color: var(--primary); line-height: 1.2; }
.stat-label { font-size: 0.875rem; color: var(--ink-soft); margin-top: 4px; }

/* --- Product Detail --- */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
@media (max-width: 768px) {
  .detail-layout { grid-template-columns: 1fr; }
}
.detail-image {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--primary-tint);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.detail-image img { width: 100%; height: 100%; object-fit: cover; }
.detail-info h1 { font-size: 1.75rem; font-weight: 800; margin-bottom: 16px; }
.detail-info p { color: var(--ink-soft); line-height: 1.7; margin-bottom: 16px; }
.detail-features { list-style: none; margin: 16px 0; }
.detail-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-size: 0.9375rem;
  color: var(--ink);
}
.detail-features li svg { color: var(--success); flex-shrink: 0; }

/* --- Utility --- */
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius);
  background: var(--primary-tint);
  color: var(--primary);
  border: 1px solid var(--primary);
}

/* --- Toggle --- */
.toggle-wrapper { display: inline-flex; align-items: center; gap: 8px; }
.toggle {
  position: relative;
  width: 48px;
  height: 28px;
  background: var(--border);
  border-radius: 14px;
  border: 2px solid var(--border);
  cursor: pointer;
  transition: background 0.15s ease;
}
.toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.15s ease;
}
.toggle[aria-checked="true"] { background: var(--primary); border-color: var(--primary); }
.toggle[aria-checked="true"]::after { transform: translateX(20px); }