@charset "UTF-8";

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

body {
  margin: 0;
  font-family: var(--bs-font-sans-serif);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  background-color: #fff;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-weight: 500;
  line-height: 1.2;
}

h1 {
  font-size: calc(1.375rem + 1.5vw);
}
@media (min-width: 1200px) {
  h1 {
    font-size: 2.5rem;
  }
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

ul, ol {
  padding-left: 2rem;
  margin-top: 0;
  margin-bottom: 1rem;
}

a {
  color: #0d6efd;
  text-decoration: underline;
}
a:hover {
  color: #0a58ca;
}

img {
  vertical-align: middle;
}

.d-flex {
  display: flex !important;
}

.d-inline-flex {
  display: inline-flex !important;
}

.flex-wrap {
  flex-wrap: wrap !important;
}

.flex-column {
  flex-direction: column !important;
}

.justify-content-center {
  justify-content: center !important;
}

.justify-content-between {
  justify-content: space-between !important;
}

.align-items-center {
  align-items: center !important;
}

.gap-0 { gap: 0 !important; }
.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }
.gap-4 { gap: 1.5rem !important; }
.gap-5 { gap: 3rem !important; }

.m-0 { margin: 0 !important; }
.m-1 { margin: 0.25rem !important; }
.m-2 { margin: 0.5rem !important; }
.m-3 { margin: 1rem !important; }
.m-4 { margin: 1.5rem !important; }
.m-5 { margin: 3rem !important; }
.m-auto { margin: auto !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }
.mt-auto { margin-top: auto !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }
.mb-auto { margin-bottom: auto !important; }

.ms-0 { margin-left: 0 !important; }
.ms-1 { margin-left: 0.25rem !important; }
.ms-2 { margin-left: 0.5rem !important; }
.ms-3 { margin-left: 1rem !important; }
.ms-4 { margin-left: 1.5rem !important; }
.ms-5 { margin-left: 3rem !important; }
.ms-auto { margin-left: auto !important; }

.me-0 { margin-right: 0 !important; }
.me-1 { margin-right: 0.25rem !important; }
.me-2 { margin-right: 0.5rem !important; }
.me-3 { margin-right: 1rem !important; }
.me-4 { margin-right: 1.5rem !important; }
.me-5 { margin-right: 3rem !important; }
.me-auto { margin-right: auto !important; }

.mx-0 { margin-right: 0 !important; margin-left: 0 !important; }
.mx-1 { margin-right: 0.25rem !important; margin-left: 0.25rem !important; }
.mx-2 { margin-right: 0.5rem !important; margin-left: 0.5rem !important; }
.mx-3 { margin-right: 1rem !important; margin-left: 1rem !important; }
.mx-4 { margin-right: 1.5rem !important; margin-left: 1.5rem !important; }
.mx-5 { margin-right: 3rem !important; margin-left: 3rem !important; }
.mx-auto { margin-right: auto !important; margin-left: auto !important; }

.my-0 { margin-top: 0 !important; margin-bottom: 0 !important; }
.my-1 { margin-top: 0.25rem !important; margin-bottom: 0.25rem !important; }
.my-2 { margin-top: 0.5rem !important; margin-bottom: 0.5rem !important; }
.my-3 { margin-top: 1rem !important; margin-bottom: 1rem !important; }
.my-4 { margin-top: 1.5rem !important; margin-bottom: 1.5rem !important; }
.my-5 { margin-top: 3rem !important; margin-bottom: 3rem !important; }
.my-auto { margin-top: auto !important; margin-bottom: auto !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: 0.25rem !important; }
.p-2 { padding: 0.5rem !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }
.p-5 { padding: 3rem !important; }

.btn {
  display: inline-block;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  background-color: transparent;
  border: 1px solid transparent;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  border-radius: 0.25rem;
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.btn-primary {
  color: #fff;
  background-color: #0d6efd;
  border-color: #0d6efd;
}

.container,
.container-fluid {
  width: 100%;
  padding-right: var(--bs-gutter-x, 0.75rem);
  padding-left: var(--bs-gutter-x, 0.75rem);
  margin-right: auto;
  margin-left: auto;
}

.text-dark {
  color: #212529 !important;
}

.text-white {
  color: #fff !important;
}

.bg-white {
  background-color: #fff !important;
}

:root {
  --bs-blue: #0d6efd;
  --bs-indigo: #6610f2;
  --bs-purple: #6f42c1;
  --bs-pink: #d63384;
  --bs-red: #dc3545;
  --bs-orange: #fd7e14;
  --bs-yellow: #ffc107;
  --bs-green: #198754;
  --bs-teal: #20c997;
  --bs-cyan: #0dcaf0;
  --bs-white: #fff;
  --bs-gray: #6c757d;
  --bs-gray-dark: #343a40;
  --bs-primary: #0d6efd;
  --bs-secondary: #6c757d;
  --bs-success: #198754;
  --bs-info: #0dcaf0;
  --bs-warning: #ffc107;
  --bs-danger: #dc3545;
  --bs-light: #f8f9fa;
  --bs-dark: #212529;
  --bs-font-sans-serif: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --bs-font-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --bs-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0));
}

.d-none {
  display: none !important;
}

@media (min-width: 992px) {
  .d-lg-block {
    display: block !important;
  }
}

.w-100 {
  width: 100% !important;
}

.text-center {
  text-align: center !important;
}

@media (min-width: 768px) {
  .mt-md-0 { margin-top: 0 !important; }
  .mb-md-0 { margin-bottom: 0 !important; }
}

.border {
  border: 1px solid #dee2e6 !important;
}

.rounded {
  border-radius: 0.25rem !important;
}

.rounded-circle {
  border-radius: 50% !important;
}

/* 文章页面 */
    .content4 {
        padding: 60px 0 !important;
        background: rgba(255,255,255,0.85) !important;
        backdrop-filter: blur(2px);
        min-height: 100vh;
    }
    
    .content4 .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px !important;
    }
    
    .page-content {
        background: white !important;
        border-radius: 28px !important;
        padding: 48px 56px !important;
        box-shadow: 0 20px 40px rgba(0,0,0,0.05) !important;
        border: 1px solid rgba(255,154,158,0.2) !important;
        color: #555 !important;
    }
    
    .page-content h2,
    .page-content h3 {
        color: #ff9a9e !important;
        margin-top: 1.8rem;
        margin-bottom: 1rem;
    }
    
    .page-content h2 {
        font-size: 1.8rem;
        border-left: 4px solid #ff9a9e;
        padding-left: 15px;
    }
    
    .page-content h3 {
        font-size: 1.4rem;
        color: #ff7b8e !important;
    }
    
    .page-content p,
    .page-content li {
        color: #666 !important;
        line-height: 1.7;
        font-size: 1rem;
    }
    
    .page-content ul,
    .page-content ol {
        margin-bottom: 1.2rem;
    }
    
    .page-content ol {
        padding-left: 1.5rem;
    }
    
    .page-content li {
        margin-bottom: 0.5rem;
    }
    
    .page-content a {
        color: #ff9a9e !important;
        text-decoration: none;
        border-bottom: 1px dotted #ff9a9e;
    }
    
    .page-content a:hover {
        color: #ff7b8e !important;
        border-bottom: 1px solid #ff7b8e;
    }
    
    .page-content strong {
        color: #ff7b8e;
        font-weight: 600;
    }
    
    @media (max-width: 768px) {
        .content4 {
            padding: 30px 0 !important;
        }
        .page-content {
            padding: 28px 20px !important;
        }
        .page-content h2 {
            font-size: 1.4rem !important;
        }
        .page-content h3 {
            font-size: 1.2rem !important;
        }
    }