/* mirror_flow:p6_ai_generated */
:root {
  --primary: #2d6a4f;
  --primary-light: #40916c;
  --primary-dark: #1b4332;
  --primary-bg: #d8f3dc;
  --primary-bg-light: #f0faf3;
  --accent: #e9c46a;
  --accent-light: #f4d58d;
  --accent-dark: #c9a227;
  --text: #2d3436;
  --text-light: #636e72;
  --text-muted: #9ca3af;
  --heading: #1a1a2e;
  --white: #ffffff;
  --bg: #fafbfc;
  --bg-alt: #f0f4f3;
  --bg-card: #ffffff;
  --border: #d1d5db;
  --border-light: #e5e7eb;
  --border-lighter: #f3f4f6;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 8px 10px rgba(0, 0, 0, 0.06);
  --radius-sm: 4px;
  --radius: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --transition-fast: 150ms ease;
  --transition: 250ms ease;
  --transition-slow: 400ms ease;
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --max-width-wide: 1400px;
  --header-height: 72px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--heading);
  line-height: 1.3;
  font-weight: 700;
  margin-bottom: 0.5em;
}

h1 { font-size: clamp(1.875rem, 3.5vw, 2.75rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 2.8vw, 2.125rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.625rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-light);
}

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

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

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

ul, ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

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

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

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

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--white); }

.bg-primary { background-color: var(--primary); }
.bg-primary-light { background-color: var(--primary-bg-light); }
.bg-white { background-color: var(--white); }
.bg-alt { background-color: var(--bg-alt); }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-normal { font-weight: 400; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }

.section {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.section--sm {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

.section--lg {
  padding-top: 6rem;
  padding-bottom: 6rem;
}

.section__title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  text-align: center;
  margin-bottom: 0.75rem;
  color: var(--heading);
}

.section__subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto 3rem auto;
}

.section__divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-full);
  margin: 0.75rem auto 2.5rem auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border-lighter);
  box-shadow: var(--shadow-sm);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-dark);
  text-decoration: none;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.header__logo:hover {
  text-decoration: none;
  color: var(--primary-dark);
}

.header__logo-img {
  height: 42px;
  width: auto;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.header__logo-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.header__logo-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 400;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.125rem;
}

.nav__link {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius);
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.nav__link:hover {
  color: var(--primary);
  background-color: var(--primary-bg-light);
  text-decoration: none;
}

.nav__link--active {
  color: var(--primary);
  font-weight: 600;
  background-color: var(--primary-bg-light);
}

.nav__dropdown {
  position: relative;
}

.nav__dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 1rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav__dropdown-toggle:hover {
  color: var(--primary);
  background-color: var(--primary-bg-light);
}

.nav__dropdown-toggle::after {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: -2px;
  margin-left: 2px;
  transition: transform var(--transition-fast);
}

.nav__dropdown:hover .nav__dropdown-toggle::after {
  transform: rotate(-135deg);
  margin-top: 2px;
}

.nav__dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition);
  z-index: 100;
}

.nav__dropdown:hover .nav__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown-item {
  display: block;
  padding: 0.5rem 0.875rem;
  font-size: 0.9rem;
  color: var(--text);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.nav__dropdown-item:hover {
  color: var(--primary);
  background-color: var(--primary-bg-light);
  text-decoration: none;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav__toggle--active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle--active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle--active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.5;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn:hover {
  text-decoration: none;
}

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

.btn--primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--white);
}

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

.btn--secondary:hover {
  background-color: var(--primary-bg-light);
  color: var(--primary-dark);
}

.btn--accent {
  background-color: var(--accent);
  color: var(--heading);
  border-color: var(--accent);
}

.btn--accent:hover {
  background-color: var(--accent-dark);
  border-color: var(--accent-dark);
  color: var(--heading);
}

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

.btn--outline:hover {
  background-color: var(--primary);
  color: var(--white);
}

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

.btn--ghost:hover {
  background-color: var(--primary-bg-light);
}

.btn--white {
  background-color: var(--white);
  color: var(--primary-dark);
  border-color: var(--white);
}

.btn--white:hover {
  background-color: #f0f4f3;
  border-color: #f0f4f3;
  color: var(--primary-dark);
}

.btn--sm {
  padding: 0.375rem 0.875rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn--lg {
  padding: 0.875rem 2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn--block {
  display: flex;
  width: 100%;
}

.btn--rounded {
  border-radius: var(--radius-full);
}

.btn:disabled,
.btn--disabled {
  opacity: 0.55;
  pointer-events: none;
  cursor: not-allowed;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}

.card__body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.card__title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--heading);
  line-height: 1.4;
}

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