@import "tailwindcss";

@font-face {
  font-family: 'Aoyagi Reisho';
  src: url('/fonts/AoyagiReisho.woff2') format('woff2'),
       url('/fonts/AoyagiReisho.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
  font-stretch: normal;
}

/* 字体加载优化 - 防止 FOUT */
.font-loading {
  font-family: 'STKaiti', 'KaiTi', serif;
}

.font-loaded {
  font-family: 'Aoyagi Reisho', 'STKaiti', 'KaiTi', serif;
}

@theme inline {
  --font-sans: var(--font-geist-sans);
  --font-mono: var(--font-geist-mono);
  --font-chinese: var(--font-noto-sans-sc);
  --font-calligraphy: 'Aoyagi Reisho', 'STKaiti', 'KaiTi', 'ZCOOL XiaoWei', serif;
}

:root {
  /* 主色调 - 墨黑系（水墨画主色） */
  --color-primary: #1C1C1C;
  --color-primary-hover: #0A0A0A;
  --color-primary-light: #3D3D3D;
  --color-primary-lighter: #F5F5F5;
  
  /* 品牌色 - 朱砂红（印章红） */
  --color-brand-primary: #C41E3A;
  --color-brand-primary-hover: #A01830;
  --color-brand-primary-light: #E04A68;
  --color-brand-primary-bg: #FEF2F4;
  
  /* 背景色系 - 宣纸白 */
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #FFFBF5;
  --color-bg-tertiary: #F5F5F5;
  --color-bg-hover: #EFEFEF;
  
  /* 文字色系 - 墨色层次 */
  --color-text-primary: #1C1C1C;
  --color-text-secondary: #3D3D3D;
  --color-text-tertiary: #404040;  /* 从 #4A4A4A 调整，提升对比度 */
  --color-text-muted: #595959;     /* 从 #6B6B6B 调整，确保 WCAG AA 合规 */
  
  /* 边框色系 */
  --color-border-primary: #E5E5E5;
  --color-border-secondary: #D4D4D4;
  --color-border-accent: #1C1C1C;
  
  /* 链接色 */
  --color-link: #1C1C1C;
  --color-link-hover: #C41E3A;
  
  /* 状态色 */
  --color-success: #16A34A;
  --color-success-bg: #F0FDF4;
  --color-warning: #D97706;
  --color-warning-bg: #FFFBEB;
  --color-info: #5C5C5C;
  --color-info-bg: #F5F5F5;
  --color-error: #C41E3A;
  --color-error-bg: #FEF2F4;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.05);
  
  /* 尺寸变量 */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  
  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;
  
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  --spacing-5xl: 8rem;
  
  --border-width-thin: 0.5px;
  --border-width-normal: 1px;
  
  --transition-fast: 150ms;
  --transition-normal: 200ms;
  --transition-slow: 300ms;
  
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

@layer base {
  * {
    @apply antialiased;
    border-color: var(--color-border-primary);
  }
  
  html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
  }
  
  @media (min-width: 640px) {
    html {
      font-size: 17px;
    }
  }
  
  @media (min-width: 1024px) {
    html {
      font-size: 18px;
    }
  }
  
  body {
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-family: var(--font-chinese), var(--font-sans), -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: var(--line-height-normal);
    letter-spacing: var(--letter-spacing-normal);
    position: relative;
    overflow-x: hidden;
    width: 100%;
  }
  
  body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
      radial-gradient(ellipse at 15% 20%, rgba(28, 28, 28, 0.02) 0%, transparent 50%),
      radial-gradient(ellipse at 85% 80%, rgba(196, 30, 58, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
  }
  
  h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    color: var(--color-text-primary);
  }
  
  h1 {
    font-size: var(--font-size-5xl);
    font-family: 'Aoyagi Reisho', 'STKaiti', 'KaiTi', 'ZCOOL XiaoWei', serif;
    font-weight: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
  }
  
  h2 {
    font-size: var(--font-size-4xl);
  }
  
  h3 {
    font-size: var(--font-size-2xl);
  }
  
  h4 {
    font-size: var(--font-size-xl);
  }
  
  p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
  }
  
  a {
    color: var(--color-link);
    text-decoration: none;
    transition: color var(--transition-fast) var(--ease-out);
  }
  
  a:hover {
    color: var(--color-link-hover);
  }
  
  button {
    font-family: inherit;
    cursor: pointer;
  }
  
  input, textarea {
    font-family: inherit;
    outline: none;
  }
  
  input:focus, textarea:focus {
    outline: none;
  }
  
  ::selection {
    background-color: var(--color-text-primary);
    color: var(--color-bg-primary);
  }
}

@layer utilities {
  .container-narrow {
    width: 100%;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
  
  .container-wide {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
  
  @media (min-width: 768px) {
    .container-wide {
      padding-left: var(--spacing-2xl);
      padding-right: var(--spacing-2xl);
    }
  }
  
  @media (min-width: 1024px) {
    .container-wide {
      padding-left: 4rem;
      padding-right: 4rem;
    }
  }
  
  .container-full {
    width: 100%;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
  
  @media (min-width: 768px) {
    .container-full {
      padding-left: var(--spacing-2xl);
      padding-right: var(--spacing-2xl);
    }
  }
  
  @media (min-width: 1024px) {
    .container-full {
      padding-left: 4rem;
      padding-right: 4rem;
    }
  }
  
  .section-padding {
    padding-top: var(--spacing-5xl);
    padding-bottom: var(--spacing-5xl);
  }
  
  .section-padding-sm {
    padding-top: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
  }
  
  .text-balance {
    text-wrap: balance;
  }
  
  .text-pretty {
    text-wrap: pretty;
  }
  
  .border-thin {
    border-width: var(--border-width-thin);
  }
  
  .transition-smooth {
    transition: all var(--transition-normal) var(--ease-out);
  }
  
  .transition-fast {
    transition: all var(--transition-fast) var(--ease-out);
  }
  
  /* 渐变背景 - Wickret 风格 */
  .bg-gradient-modern {
    background: linear-gradient(135deg, var(--color-dark-bg) 0%, #1a1a2e 50%, #16213e 100%);
  }
  
  .bg-gradient-brand {
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-mid), var(--color-gradient-end));
  }
  
  .bg-gradient-radial {
    background: radial-gradient(ellipse at center, var(--color-gradient-start) 0%, transparent 70%);
  }
  
  /* 渐变文字 */
  .text-gradient-brand {
    background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-mid), var(--color-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  .text-gradient-cyan {
    background: linear-gradient(135deg, var(--color-gradient-cyan), var(--color-gradient-mid));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  /* 青柳隶书体 - 与 Logo 保持一致 */
  .font-calligraphy {
    font-family: 'Aoyagi Reisho', 'STKaiti', 'KaiTi', 'ZCOOL XiaoWei', serif !important;
    font-weight: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
  }

  /* 发光效果 */
  .bg-glow-red {
    background: radial-gradient(circle at center, var(--color-accent-red-glow) 0%, transparent 70%);
  }
  
  .bg-glow-purple {
    background: radial-gradient(circle at center, rgba(139, 92, 246, 0.3) 0%, transparent 70%);
  }
  
  .shadow-glow-purple {
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.3);
  }
  
  .shadow-glow-red {
    box-shadow: 0 0 30px rgba(196, 30, 58, 0.3);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-8px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes drawLine {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

@keyframes stampIn {
  0% {
    opacity: 0;
    transform: scale(1.5) rotate(-15deg);
  }
  50% {
    opacity: 0.8;
    transform: scale(0.95) rotate(0deg);
  }
  70% {
    transform: scale(1.02) rotate(0deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

@keyframes inkSpread {
  0% {
    opacity: 0;
    transform: scale(0.8);
    filter: blur(4px);
  }
  100% {
    opacity: 0.03;
    transform: scale(1);
    filter: blur(0);
  }
}

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

@keyframes numberCount {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes sectionReveal {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cornerFadeIn {
  from {
    opacity: 0;
    transform: scale(0);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-fade-in {
  animation: fadeIn 0.5s var(--ease-out) forwards;
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s var(--ease-out) forwards;
}

.animate-slide-in {
  animation: slideIn 0.4s var(--ease-out) forwards;
}

.animate-scale-in {
  animation: scaleIn 0.3s var(--ease-out) forwards;
}

.animate-draw-line {
  animation: drawLine 0.4s var(--ease-out) forwards;
  transform-origin: left;
}

.animate-stamp-in {
  animation: stampIn 0.6s var(--ease-out) forwards;
}

.animate-ink-spread {
  animation: inkSpread 1s var(--ease-out) forwards;
}

.animate-section-reveal {
  animation: sectionReveal 0.8s var(--ease-out) forwards;
}

.animate-number-count {
  animation: numberCount 0.5s var(--ease-out) forwards;
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

.geometric-card {
  border: 1px solid rgba(196, 30, 58, 0.08);
  position: relative;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(8px);
  transition: all 0.3s var(--ease-out);
}

.geometric-card::before,
.geometric-card::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1px solid rgba(196, 30, 58, 0.15);
  opacity: 0;
  transition: all 0.3s var(--ease-out);
}

.geometric-card::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
  border-radius: 4px 0 0 0;
}

.geometric-card::after {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
  border-radius: 0 0 4px 0;
}

.geometric-card:hover {
  border-color: rgba(196, 30, 58, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px -12px rgba(196, 30, 58, 0.15);
}

.geometric-card:hover::before,
.geometric-card:hover::after {
  opacity: 1;
}

.geometric-card:hover::before {
  animation: cornerFadeIn 0.3s var(--ease-out) forwards;
}

.geometric-card:hover::after {
  animation: cornerFadeIn 0.3s var(--ease-out) 0.1s forwards;
}

.ink-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(196, 30, 58, 0.2), transparent);
  position: relative;
}

.ink-divider::before {
  content: '';
  position: absolute;
  left: 50%;
  top: -3px;
  width: 6px;
  height: 6px;
  background: var(--color-brand-primary);
  border-radius: 50%;
  transform: translateX(-50%);
  opacity: 0.3;
}

.chapter-title {
  position: relative;
  display: inline-block;
}

.chapter-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--color-brand-primary);
  border-radius: 2px;
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s var(--ease-out);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.ink-texture {
  position: relative;
}

.ink-texture::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.015;
  pointer-events: none;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-accent);
  border-radius: 3px;
}

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.25rem;
    --font-size-4xl: 1.875rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
  }
  
  .section-padding {
    padding-top: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 4px 12px rgba(196, 30, 58, 0.2);
  }
  50% {
    box-shadow: 0 8px 24px rgba(196, 30, 58, 0.3);
  }
}

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

@keyframes pulse-glow {
  0%, 100% {
    opacity: 0.2;
  }
  50% {
    opacity: 0.4;
  }
}

@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

@keyframes inkDrop {
  0% {
    transform: scale(0);
    opacity: 0;
    filter: blur(8px);
  }
  50% {
    opacity: 0.8;
    filter: blur(2px);
  }
  100% {
    transform: scale(1);
    opacity: 1;
    filter: blur(0);
  }
}

@keyframes brushStroke {
  0% {
    stroke-dashoffset: 1000;
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    stroke-dashoffset: 0;
    opacity: 1;
  }
}

@keyframes sealPress {
  0% {
    transform: scale(1.8) rotate(-20deg);
    opacity: 0;
  }
  60% {
    transform: scale(0.9) rotate(2deg);
    opacity: 1;
  }
  80% {
    transform: scale(1.05) rotate(-1deg);
  }
  100% {
    transform: scale(1) rotate(0deg);
    opacity: 1;
  }
}

@keyframes inkBleed {
  0% {
    box-shadow: 0 0 0 0 rgba(28, 28, 28, 0.1);
  }
  100% {
    box-shadow: 0 0 20px 10px rgba(28, 28, 28, 0);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes breathe {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
}

@keyframes slideUp {
  0% {
    transform: translateY(100%);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideDown {
  0% {
    transform: translateY(-100%);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes expandWidth {
  0% {
    width: 0;
    opacity: 0;
  }
  100% {
    width: 100%;
    opacity: 1;
  }
}

@keyframes typewriter {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes blink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0;
  }
}

.animate-glow {
  animation: glow 2s ease-in-out infinite;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-pulse-glow {
  animation: pulse-glow 2s ease-in-out infinite;
}

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

.animate-ink-drop {
  animation: inkDrop 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-seal-press {
  animation: sealPress 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.animate-ink-bleed {
  animation: inkBleed 1s ease-out forwards;
}

.animate-shimmer {
  background: linear-gradient(
    90deg,
    rgba(196, 30, 58, 0) 0%,
    rgba(196, 30, 58, 0.1) 50%,
    rgba(196, 30, 58, 0) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

.animate-breathe {
  animation: breathe 4s ease-in-out infinite;
}

.animate-slide-up {
  animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-slide-down {
  animation: slideDown 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-expand-width {
  animation: expandWidth 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hover-lift {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(28, 28, 28, 0.1);
}

.hover-scale {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hover-scale:hover {
  transform: scale(1.02);
}

.hover-glow {
  transition: box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(196, 30, 58, 0.3);
}

.hover-ink {
  position: relative;
  overflow: hidden;
}

.hover-ink::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(28, 28, 28, 0.05);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1), height 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.hover-ink:hover::before {
  width: 300%;
  height: 300%;
}

.ink-border {
  position: relative;
}

.ink-border::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #1C1C1C, #C41E3A);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.ink-border:hover::after {
  width: 100%;
}

.seal-stamp {
  position: relative;
}

.seal-stamp::before {
  content: '';
  position: absolute;
  inset: -4px;
  border: 2px solid rgba(196, 30, 58, 0.3);
  border-radius: inherit;
  opacity: 0;
  transform: scale(1.1);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.seal-stamp:hover::before {
  opacity: 1;
  transform: scale(1);
}

.primary-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.primary-gradient-text {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-gradient {
  background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-primary-light) 100%);
}

.brand-gradient-text {
  background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-shadow {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.card-shadow-hover:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.btn-primary {
  background: #C41E3A;
  color: #FFFFFF;
  border-radius: 8px;
  padding: 12px 32px;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary:hover {
  background: #A01830;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(196, 30, 58, 0.25);
}

.btn-secondary {
  background: #1C1C1C;
  color: #FFFFFF;
  border-radius: 8px;
  padding: 12px 32px;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-secondary:hover {
  background: #0A0A0A;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(28, 28, 28, 0.25);
}

.btn-outline {
  background: transparent;
  border: 2px solid #1C1C1C;
  color: #1C1C1C;
  border-radius: 8px;
  padding: 12px 32px;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-outline:hover {
  background: #F5F5F5;
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(28, 28, 28, 0.15);
}

.card-health {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-primary);
  border-radius: 12px;
  padding: 24px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-health:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.icon-container-primary {
  background: linear-gradient(135deg, rgba(0, 94, 184, 0.1), rgba(0, 163, 224, 0.1));
  border-radius: 12px;
  transition: box-shadow 0.3s ease;
}

.icon-container-primary:hover {
  box-shadow: 0 4px 12px rgba(0, 94, 184, 0.15);
}

.icon-container-brand {
  background: linear-gradient(135deg, rgba(196, 30, 58, 0.1), rgba(224, 74, 104, 0.1));
  border-radius: 12px;
  transition: box-shadow 0.3s ease;
}

.icon-container-brand:hover {
  box-shadow: 0 4px 12px rgba(196, 30, 58, 0.15);
}

/* 移动端安全区域适配 */
.safe-area-inset-bottom {
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

/* 隐藏移动端底部导航栏时的页面底部间距 */
body {
  padding-bottom: 0;
}

@media (max-width: 767px) {
  body {
    padding-bottom: 64px;
  }
  
  /* 防止移动端内容溢出 */
  .container-wide,
  .container-full,
  .container-narrow {
    padding-left: 1rem;
    padding-right: 1rem;
    max-width: 100%;
    overflow-x: hidden;
  }
  
  /* 优化移动端文字大小 */
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  h3 {
    font-size: 1.375rem;
  }
  
  /* 优化移动端按钮和链接的触摸目标 */
  a, button {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* 防止长文本溢出 */
  p, li, span {
    overflow-wrap: break-word;
    word-wrap: break-word;
  }
}

/* 平板端优化 (768px - 1023px) */
@media (min-width: 768px) and (max-width: 1023px) {
  .container-wide,
  .container-full {
    padding-left: 2rem;
    padding-right: 2rem;
  }
  
  /* 平板端文字大小调整 */
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  /* 平板端section间距 */
  .section-padding {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
}