/* ============================================
   嘉兴真想网络科技有限公司官网 - 核心样式
   设计策略：游戏厂牌型 · 深色沉浸 · 线性质感
   ============================================ */

:root {
  /* 色彩体系 */
  --color-bg: #0a0a0f;
  --color-surface: #101018;
  --color-surface-strong: #141926;
  --color-border: #1f2937;
  --color-border-strong: #2f3643;
  --color-primary: #dc2626;           /* 电竞红 */
  --color-primary-strong: #a91515;
  --color-accent: #3b82f6;            /* 霓虹蓝 */
  --color-gold: #fbbf24;              /* 能量金 */
  --color-text: #e5e7eb;
  --color-text-weak: #cbd5e1;
  --color-muted: #94a3b8;
  --color-dim: #6b7280;
  /* 兼容旧变量命名，保证子页面样式正常 */
  --color-background: var(--color-bg);
  --color-background-light: #0f1118;
  --color-background-strong: var(--color-surface-strong);
  --color-primary-light: rgba(220, 38, 38, 0.1);
  --color-primary-dark: var(--color-primary-strong);
  --color-secondary: var(--color-accent);
  --color-secondary-dark: #2456a8;
  --color-text-dark: var(--color-text);
  --color-text-light: #ffffff;
  --color-text-muted: var(--color-muted);
  --color-border-legacy: var(--color-border);

  /* 字体 & 尺寸 */
  --font-family-main: "PingFang SC", "Microsoft YaHei", "Inter", sans-serif;
  --font-family-heading: "DIN Alternate", "Bahnschrift", "PingFang SC", sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  --font-size-2xl: 32px;
  --font-size-3xl: 44px;
  --font-size-4xl: 56px;

  /* 间距 */
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-14: 56px;
  --space-16: 64px;

  /* 其他 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.35);
  --shadow-strong: 0 20px 60px rgba(0, 0, 0, 0.55);
  --transition-fast: 160ms ease;
  --transition-base: 280ms ease;
  --transition-slow: 520ms ease;
  --section-padding: 96px;
  --max-width: 1200px;

  /* 兼容旧变量：间距、圆角、阴影 */
  --spacing-xs: var(--space-2);
  --spacing-sm: var(--space-3);
  --spacing-md: var(--space-4);
  --spacing-lg: var(--space-6);
  --spacing-xl: var(--space-8);
  --spacing-2xl: var(--space-12);
  --spacing-3xl: var(--space-16);
  --border-radius-sm: var(--radius-sm);
  --border-radius-md: var(--radius-md);
  --border-radius-lg: var(--radius-lg);
  --border-radius-xl: 22px;
  --box-shadow-sm: 0 6px 18px rgba(0,0,0,0.28);
  --box-shadow-md: var(--shadow-soft);
  --box-shadow-lg: var(--shadow-strong);
  --box-shadow-xl: 0 26px 70px rgba(0,0,0,0.6);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: radial-gradient(circle at 10% 20%, rgba(220, 38, 38, 0.04), transparent 25%),
              radial-gradient(circle at 80% 0%, rgba(59, 130, 246, 0.05), transparent 30%),
              var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family-main);
  font-size: var(--font-size-base);
  line-height: 1.7;
  letter-spacing: 0.2px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

p { color: var(--color-text-weak); margin-bottom: var(--space-4); }

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

a:hover { color: var(--color-gold); }

img { max-width: 100%; display: block; }
.img-cover { width: 100%; height: 100%; object-fit: cover; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (min-width: 1024px) {
  .container { padding: 0 var(--space-10); }
}

section {
  position: relative;
  padding: var(--section-padding) 0;
  overflow: hidden;
}

section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.02) 0%, rgba(255,255,255,0) 50%),
              linear-gradient(180deg, rgba(255,255,255,0.02) 0%, rgba(255,255,255,0) 60%);
  pointer-events: none;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
  position: relative;
  z-index: 1;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-gold);
  letter-spacing: 1px;
  font-weight: 600;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
}

.section-kicker::before {
  content: '';
  width: 36px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold));
  display: inline-block;
}

.section-title {
  margin: 0;
}

.section-desc {
  max-width: 620px;
  color: var(--color-muted);
  margin-top: var(--space-3);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-weak);
  background: rgba(255,255,255,0.03);
  font-size: var(--font-size-sm);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  color: var(--color-muted);
  font-size: var(--font-size-sm);
}

.btn, button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 20px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  font-family: var(--font-family-main);
  text-decoration: none;
  font-size: var(--font-size-base);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-strong) 100%);
  color: #fff;
  box-shadow: 0 12px 35px rgba(220, 38, 38, 0.35);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(220, 38, 38, 0.45); }

.btn-ghost {
  background: rgba(255,255,255,0.05);
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-ghost:hover { border-color: var(--color-primary); color: #fff; }

.btn-outline {
  border-color: var(--color-primary);
  color: #fff;
  background: transparent;
}

.btn-outline:hover { background: rgba(220, 38, 38, 0.08); }

.btn-small { padding: 8px 14px; font-size: var(--font-size-sm); }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--space-8); }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-6); }

.stacked {
  display: grid;
  gap: var(--space-6);
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-10);
  align-items: center;
}

.panel {
  background: linear-gradient(145deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-soft);
}

.panel-ghost {
  background: rgba(255,255,255,0.02);
  border: 1px dashed var(--color-border);
}

.stat-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-6);
}

.stat {
  padding: var(--space-6);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: rgba(255,255,255,0.02);
}

.stat strong { display: block; font-size: var(--font-size-2xl); color: #fff; }
.stat span { color: var(--color-muted); font-size: var(--font-size-sm); }

.line-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.16), transparent);
  margin: var(--space-8) 0;
}

.tag-strip {
  display: inline-flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.tag-strip .pill { background: rgba(59, 130, 246, 0.12); border-color: rgba(59, 130, 246, 0.35); color: #dbeafe; }

.muted { color: var(--color-muted); }
.text-small { font-size: var(--font-size-sm); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.highlight-bar {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, rgba(220,38,38,0.12), rgba(59,130,246,0.08));
  color: #fff;
  font-weight: 600;
}

.list-clean { list-style: none; padding: 0; margin: 0; }
.list-clean li { color: var(--color-text-weak); padding: 8px 0; border-bottom: 1px solid var(--color-border); }
.list-clean li:last-child { border-bottom: none; }

blockquote {
  border-left: 3px solid var(--color-primary);
  padding-left: var(--space-4);
  color: var(--color-text);
  margin: var(--space-6) 0;
}

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

table thead { background: rgba(255,255,255,0.04); }
table th, table td { padding: var(--space-4); border: 1px solid var(--color-border); text-align: left; }
table th { font-weight: 700; }

form {
  display: grid;
  gap: var(--space-5);
}

input, textarea, select {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--color-text);
  font-family: var(--font-family-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

/* 兼容性组件 */
.card {
  background: linear-gradient(160deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.read-more {
  color: var(--color-accent);
  font-weight: 700;
  text-decoration: none;
}

.read-more:hover { color: var(--color-gold); }

.section-title { color: #fff; margin-bottom: var(--space-6); }

.page-header {
  padding: 120px 0 80px;
  text-align: center;
  background: radial-gradient(circle at 30% 20%, rgba(220,38,38,0.16), transparent 35%), linear-gradient(135deg, #0f121c 0%, #0a0a0f 60%);
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 { margin: 0 0 12px 0; color: #fff; font-size: 38px; }
.page-header p { margin: 0; color: var(--color-muted); font-size: 18px; }

/* 间距工具 */
.mt-xs { margin-top: 6px; }
.mt-sm { margin-top: 10px; }
.mt-md { margin-top: 14px; }
.mt-lg { margin-top: 18px; }
.mt-xl { margin-top: 24px; }
.mt-2xl { margin-top: 32px; }
.mt-3xl { margin-top: 48px; }

.mb-xs { margin-bottom: 6px; }
.mb-sm { margin-bottom: 10px; }
.mb-md { margin-bottom: 14px; }
.mb-lg { margin-bottom: 18px; }
.mb-xl { margin-bottom: 24px; }
.mb-2xl { margin-bottom: 32px; }
.mb-3xl { margin-bottom: 48px; }

.pt-xs { padding-top: 6px; }
.pt-sm { padding-top: 10px; }
.pt-md { padding-top: 14px; }
.pt-lg { padding-top: 18px; }
.pt-xl { padding-top: 24px; }
.pt-2xl { padding-top: 32px; }
.pt-3xl { padding-top: 48px; }

.pb-xs { padding-bottom: 6px; }
.pb-sm { padding-bottom: 10px; }
.pb-md { padding-bottom: 14px; }
.pb-lg { padding-bottom: 18px; }
.pb-xl { padding-bottom: 24px; }
.pb-2xl { padding-bottom: 32px; }
.pb-3xl { padding-bottom: 48px; }

/* 图标占位，替代emoji */
.advantage-icon,
.solution-icon,
.value-icon,
.honor-icon,
.system-icon,
.review-stars,
.service-icon,
.achievement-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(255,255,255,0.06);
  color: var(--color-gold);
  font-weight: 800;
  letter-spacing: 1px;
}

.advantage-icon::before,
.solution-icon::before,
.value-icon::before,
.honor-icon::before,
.system-icon::before,
.review-stars::before,
.service-icon::before,
.achievement-icon::before {
  content: '●';
  font-size: 18px;
}

.review-stars::before { content: '★★★★★'; letter-spacing: 2px; font-size: 14px; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--color-primary), var(--color-primary-strong)); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary-strong); }

@media (max-width: 768px) {
  :root { --section-padding: 72px; }
  .section-header { flex-direction: column; align-items: flex-start; }
  h1 { font-size: 36px; }
  h2 { font-size: 30px; }
  h3 { font-size: 22px; }
  .container { padding: 0 var(--space-4); }
}

@media print {
  body { background: #fff; color: #000; }
  nav, footer, .back-to-top { display: none; }
}