/* ============================================
   Hopper Disassembler 中文官网 - 公共样式
   主题色: #1D5194
   ============================================ */

/* --- CSS 变量 --- */
:root {
  --primary: #1D5194;
  --primary-light: #2A6BC5;
  --primary-dark: #153D70;
  --primary-bg: #EBF1FA;
  --primary-bg-subtle: #F5F8FC;
  --accent: #3B82F6;
  --text-primary: #1A1A2E;
  --text-secondary: #4A5568;
  --text-muted: #8896AB;
  --bg-white: #FFFFFF;
  --bg-light: #F7F9FC;
  --bg-section: #FAFBFE;
  --border-color: #E2E8F0;
  --border-light: #EDF2F7;
  --shadow-sm: 0 1px 3px rgba(29, 81, 148, 0.06);
  --shadow-md: 0 4px 16px rgba(29, 81, 148, 0.08);
  --shadow-lg: 0 8px 32px rgba(29, 81, 148, 0.12);
  --shadow-xl: 0 16px 48px rgba(29, 81, 148, 0.16);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;
  --max-width: 1200px;
}

/* --- Reset & Base --- */
*,
*::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;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg-white);
  line-height: 1.75;
  overflow-x: hidden;
}

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  font-weight: 700;
  color: var(--text-primary);
}

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

/* --- 通用按钮样式 --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  font-family: var(--font-sans);
  line-height: 1.4;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  box-shadow: 0 4px 14px rgba(29, 81, 148, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  color: #fff;
  box-shadow: 0 6px 20px rgba(29, 81, 148, 0.4);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--border-color);
}

.btn-outline:hover {
  border-color: var(--primary);
  background: var(--primary-bg);
  color: var(--primary);
  transform: translateY(-2px);
}

/* --- 通用 Section 标题 --- */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--primary-bg);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/* --- 动画基础 --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.animate-fadeInUp {
  animation: fadeInUp 0.8s ease-out forwards;
}

.animate-fadeIn {
  animation: fadeIn 0.6s ease-out forwards;
}

/* --- 响应式断点 --- */
@media (max-width: 1024px) {
  :root {
    --max-width: 960px;
  }
  .section-title {
    font-size: 30px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  .section-title {
    font-size: 26px;
  }
  .section-subtitle {
    font-size: 15px;
  }
  .btn {
    padding: 10px 22px;
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  .section-title {
    font-size: 22px;
  }
}

/* --- 滚动条美化 --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* --- 文字选中样式 --- */
::selection {
  background: rgba(29, 81, 148, 0.15);
  color: var(--primary-dark);
}