*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #8b5cf6;
  --primary-dark: #6d28d9;
  --secondary: #ec4899;
  --accent: #f59e0b;
  --bg: #faf5ff;
  --bg-alt: #f3e8ff;
  --text: #1e1b4b;
  --text-light: #6b7280;
  --white: #fff;
  --shadow: 0 4px 20px rgba(139, 92, 246, 0.12);
  --shadow-hover: 0 8px 32px rgba(139, 92, 246, 0.22);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  overflow-x: hidden;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.site-header {
  background: linear-gradient(135deg, #6d28d9, #8b5cf6, #ec4899);
  color: var(--white);
  padding: 18px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.my-logo {
  font-size: 1.9rem; font-weight: 900; letter-spacing: -1px;
  color: var(--white); text-decoration: none;
  display: flex; align-items: center; gap: 8px;
  position: relative;
}
.my-logo i { font-size: 2.1rem; color: var(--accent); }
.my-logo span { background: linear-gradient(90deg, #fbbf24, #f59e0b); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.main-nav { display: flex; gap: 4px; flex-wrap: wrap; }
.main-nav a {
  color: rgba(255,255,255,0.9); text-decoration: none; font-weight: 600; font-size: 0.92rem;
  padding: 8px 14px; border-radius: 30px; transition: var(--transition);
  display: flex; align-items: center; gap: 5px;
}
.main-nav a:hover { background: rgba(255,255,255,0.2); color: var(--white); transform: translateY(-1px); }
.hamburger {
  display: none; background: none; border: none; color: var(--white);
  font-size: 1.6rem; cursor: pointer; padding: 6px;
  transition: var(--transition);
}
.hamburger:hover { transform: scale(1.1); }
.breadcrumb {
  background: var(--bg-alt); padding: 12px 0; font-size: 0.88rem; border-bottom: 1px solid #e9d5ff;
}
.breadcrumb .container { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.breadcrumb a { color: var(--primary); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb i { color: var(--text-light); font-size: 0.7rem; }
.hero {
  background: linear-gradient(160deg, #ede9fe 0%, #fce7f3 100%);
  padding: 60px 0 50px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -50%; right: -50%;
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(139,92,246,0.15), transparent 70%);
}
.hero::after {
  content: ''; position: absolute; bottom: -30%; left: -20%;
  width: 250px; height: 250px; border-radius: 50%;
  background: radial-gradient(circle, rgba(236,72,153,0.12), transparent 70%);
}
.hero .container { position: relative; z-index: 2; }
.hero h1 {
  font-size: 2.6rem; font-weight: 900; line-height: 1.2;
  background: linear-gradient(135deg, #6d28d9, #db2777);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 16px; letter-spacing: -0.5px;
}
.hero p {
  font-size: 1.15rem; color: #4b5563; max-width: 750px; margin: 0 auto 24px;
  font-weight: 400;
}
.hero-stats { display: flex; justify-content: center; gap: 40px; margin-top: 10px; flex-wrap: wrap; }
.hero-stats .stat { text-align: center; }
.hero-stats .stat b { font-size: 2rem; display: block; color: var(--primary); line-height: 1.2; }
.hero-stats .stat span { font-size: 0.82rem; color: var(--text-light); text-transform: uppercase; letter-spacing: 1px; }
.search-wrap { max-width: 520px; margin: 20px auto 0; position: relative; }
.search-wrap form { display: flex; background: var(--white); border-radius: 50px; box-shadow: var(--shadow); overflow: hidden; transition: var(--transition); }
.search-wrap form:focus-within { box-shadow: var(--shadow-hover); transform: scale(1.01); }
.search-wrap input {
  flex: 1; border: none; padding: 14px 22px; font-size: 1rem; color: var(--text);
  background: transparent; outline: none;
}
.search-wrap button {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white); border: none; padding: 14px 26px; cursor: pointer;
  font-size: 1rem; transition: var(--transition); display: flex; align-items: center; gap: 6px;
}
.search-wrap button:hover { background: linear-gradient(135deg, #7c3aed, #5b21b6); }
.content-wrap { padding: 50px 0 60px; }
.content-grid { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: start; }
.article-body { background: var(--white); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); }
.article-body h2 {
  font-size: 1.7rem; font-weight: 800; margin: 40px 0 16px; color: var(--primary-dark);
  padding-bottom: 8px; border-bottom: 3px solid var(--primary); display: inline-block; letter-spacing: -0.3px;
}
.article-body h3 {
  font-size: 1.2rem; font-weight: 700; margin: 24px 0 10px; color: #4c1d95; line-height: 1.4;
}
.article-body h4 { font-size: 1rem; font-weight: 700; margin: 16px 0 6px; color: var(--text); }
.article-body p { margin-bottom: 16px; color: #374151; }
.article-body ul, .article-body ol { margin: 0 0 20px 24px; color: #374151; }
.article-body li { margin-bottom: 8px; }
.article-body img {
  max-width: 100%; border-radius: var(--radius); margin: 24px auto; display: block;
  box-shadow: var(--shadow);
}
.article-body figure { margin: 24px 0; }
.article-body figcaption { text-align: center; font-size: 0.85rem; color: var(--text-light); margin-top: 8px; font-style: italic; }
.article-body blockquote {
  border-left: 4px solid var(--primary); background: var(--bg-alt);
  padding: 16px 20px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 20px 0; font-style: italic; color: #4c1d95;
}
.article-body a { color: var(--primary); font-weight: 600; text-decoration: none; border-bottom: 2px solid transparent; transition: var(--transition); }
.article-body a:hover { border-bottom-color: var(--primary); }
.article-body table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.92rem; }
.article-body th { background: var(--bg-alt); color: var(--primary-dark); padding: 12px; text-align: left; font-weight: 700; }
.article-body td { padding: 10px 12px; border-bottom: 1px solid #f3e8ff; }
.article-body tr:hover td { background: #faf5ff; }
.sidebar { display: flex; flex-direction: column; gap: 24px; position: sticky; top: 90px; }
.sidebar-card { background: var(--white); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); transition: var(--transition); }
.sidebar-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.sidebar-card h3 {
  font-size: 1.05rem; font-weight: 800; margin-bottom: 14px; color: var(--primary-dark);
  display: flex; align-items: center; gap: 8px;
}
.sidebar-card h3 i { color: var(--secondary); }
.sidebar-card ul { list-style: none; margin: 0; }
.sidebar-card li { margin-bottom: 8px; }
.sidebar-card a {
  color: #374151; text-decoration: none; font-size: 0.92rem;
  padding: 6px 0; display: flex; align-items: center; gap: 6px; transition: var(--transition);
}
.sidebar-card a:hover { color: var(--primary); padding-left: 6px; }
.sidebar-card a i { font-size: 0.75rem; color: var(--secondary); }
.rating-box, .comment-box, .search-bottom { background: var(--white); border-radius: var(--radius); padding: 30px; margin-top: 20px; box-shadow: var(--shadow); }
.rating-box h3, .comment-box h3, .search-bottom h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 6px; color: var(--primary-dark); display: flex; align-items: center; gap: 8px; }
.rating-box .sub, .comment-box .sub { font-size: 0.88rem; color: var(--text-light); margin-bottom: 16px; }
.rating-box form, .comment-box form, .search-bottom form { display: flex; flex-direction: column; gap: 12px; }
.rating-box select, .rating-box textarea, .comment-box textarea, .rating-box input, .comment-box input {
  padding: 12px 16px; border: 2px solid #e9d5ff; border-radius: var(--radius-sm); font-size: 0.95rem;
  font-family: inherit; outline: none; transition: var(--transition); background: #faf5ff;
}
.rating-box select:focus, .rating-box textarea:focus, .comment-box textarea:focus, .rating-box input:focus, .comment-box input:focus {
  border-color: var(--primary); background: var(--white); box-shadow: 0 0 0 3px rgba(139,92,246,0.15);
}
.btn-submit {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white); border: none; padding: 12px 28px; border-radius: 50px; cursor: pointer;
  font-weight: 700; font-size: 0.95rem; transition: var(--transition);
  display: inline-flex; align-items: center; gap: 6px; justify-content: center; width: fit-content;
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(109,40,217,0.3); }
.site-footer {
  background: #1e1b4b; color: #c4b5fd; padding: 50px 0 0;
  margin-top: 60px;
}
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; padding-bottom: 30px; }
.site-footer h4 { color: var(--white); font-size: 1rem; margin-bottom: 14px; font-weight: 700; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: #c4b5fd; text-decoration: none; font-size: 0.88rem; transition: var(--transition); }
.site-footer a:hover { color: var(--accent); padding-left: 4px; }
friend-link {
  background: rgba(255,255,255,0.05); border-top: 1px solid rgba(255,255,255,0.1);
  padding: 16px 0; display: block;
}
friend-link .friend-inner { font-size: 0.85rem; color: #c4b5fd; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
friend-link a { color: #e9d5ff; text-decoration: none; margin-left: 6px; }
friend-link a:hover { text-decoration: underline; color: var(--accent); }
.copyright { text-align: center; padding: 18px 0; font-size: 0.82rem; color: #8b7cf7; background: rgba(0,0,0,0.2); }
.copyright a { color: #c4b5fd; text-decoration: none; }
@media (max-width: 992px) {
  .content-grid { grid-template-columns: 1fr; }
  .sidebar { position: static; flex-direction: row; flex-wrap: wrap; gap: 16px; }
  .sidebar-card { flex: 1 1 calc(50% - 8px); min-width: 200px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .hamburger { display: block; }
  .main-nav {
    display: none; width: 100%; flex-direction: column; gap: 0;
    background: rgba(0,0,0,0.15); border-radius: var(--radius-sm); padding: 10px;
    margin-top: 10px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 10px 14px; border-radius: 8px; }
  .hero h1 { font-size: 1.9rem; }
  .hero p { font-size: 0.95rem; }
  .hero-stats { gap: 20px; }
  .article-body { padding: 20px; }
  .article-body h2 { font-size: 1.4rem; }
  .article-body h3 { font-size: 1.1rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .search-wrap form { flex-direction: column; border-radius: var(--radius-sm); }
  .search-wrap button { border-radius: 0; }
}
@media (max-width: 480px) {
  .container { padding: 0 14px; }
  .my-logo { font-size: 1.4rem; }
  .hero { padding: 40px 0 30px; }
  .hero h1 { font-size: 1.6rem; }
  .hero-stats .stat b { font-size: 1.2rem; } 
  .sidebar-card { flex-basis: 100%; }
}