:root{
    --primary:#1a1a2e;
    --secondary:#e94560;
    --accent:#0f3460;
    --gold:#f9a826;
    --success:#00b894;
    --light:#f5f5f7;
    --dark:#0d0d17;
    --text:#2d3436;
    --border:#e1e1e8;
    --radius:14px;
    --shadow:0 8px 30px rgba(0,0,0,.08);
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    font-family:'Segoe UI',Roboto,Arial,sans-serif;
    background:#fff;
    color:var(--text);
    line-height:1.75;
    font-size:1rem;
  }
  .site-header{
    background:linear-gradient(135deg,var(--primary),var(--accent));
    padding:1rem 2rem;
    position:sticky;
    top:0;
    z-index:1000;
    box-shadow:0 4px 20px rgba(0,0,0,.15);
  }
  .header-inner{
    max-width:1280px;
    margin:0 auto;
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
  }
  .my-logo{
    display:flex;
    align-items:center;
    gap:10px;
    text-decoration:none;
    font-size:1.8rem;
    font-weight:900;
    color:#fff;
    letter-spacing:-.5px;
  }
  .my-logo i{
    color:var(--gold);
    font-size:2.2rem;
  }
  .my-logo span{
    font-size:.85rem;
    display:block;
    color:#a0a0c0;
    letter-spacing:1px;
  }
  .burger{
    display:none;
    background:none;
    border:2px solid rgba(255,255,255,.5);
    border-radius:8px;
    padding:6px 12px;
    cursor:pointer;
    font-size:1.4rem;
    color:#fff;
  }
  .main-nav ul{
    display:flex;
    gap:1.2rem;
    list-style:none;
  }
  .main-nav a{
    color:rgba(255,255,255,.85);
    text-decoration:none;
    font-size:.92rem;
    font-weight:500;
    padding:.5rem .8rem;
    border-radius:30px;
    transition:.3s;
    display:flex;
    align-items:center;
    gap:6px;
  }
  .main-nav a:hover{
    background:rgba(255,255,255,.15);
    color:#fff;
    transform:translateY(-2px);
  }
  .breadcrumb{
    background:#f8f9fa;
    padding:.7rem 2rem;
    font-size:.85rem;
    border-bottom:1px solid var(--border);
  }
  .breadcrumb a{
    color:var(--secondary);
    text-decoration:none;
  }
  .breadcrumb .sep{
    margin:0 .5rem;
    color:#aaa;
  }
  .site-main{
    max-width:1280px;
    margin:2rem auto;
    padding:0 1.5rem;
    display:grid;
    grid-template-columns:1fr 320px;
    gap:2rem;
  }
  .content-area{
    background:#fff;
    border-radius:var(--radius);
    padding:2rem;
    box-shadow:var(--shadow);
  }
  .sidebar{
    background:#fafbfe;
    border-radius:var(--radius);
    padding:1.5rem;
    height:fit-content;
    position:sticky;
    top:100px;
    border:1px solid var(--border);
  }
  .article-title{
    font-size:2.4rem;
    font-weight:900;
    color:var(--primary);
    line-height:1.2;
    margin-bottom:.5rem;
  }
  .meta-info{
    display:flex;
    flex-wrap:wrap;
    gap:1.5rem;
    padding:.8rem 0;
    margin-bottom:1.5rem;
    border-bottom:1px solid var(--border);
    color:#666;
    font-size:.9rem;
  }
  .meta-info i{
    color:var(--secondary);
    margin-right:5px;
  }
  .hero-image{
    width:100%;
    border-radius:var(--radius);
    margin-bottom:1.8rem;
    box-shadow:var(--shadow);
    transition:transform .3s;
  }
  .hero-image:hover{
    transform:scale(1.01);
  }
  h2{
    font-size:1.9rem;
    margin:2.8rem 0 1rem;
    color:var(--primary);
    padding-bottom:.5rem;
    border-bottom:3px solid var(--secondary);
    display:inline-block;
  }
  h3{
    font-size:1.4rem;
    margin:2rem 0 .8rem;
    color:var(--accent);
  }
  h4{
    font-size:1.15rem;
    margin:1.5rem 0 .6rem;
    color:var(--primary);
    font-weight:600;
  }
  p{
    margin-bottom:1rem;
    text-align:justify;
  }
  .callout{
    background:#fff8e7;
    border-left:5px solid var(--gold);
    padding:1.2rem 1.5rem;
    border-radius:8px;
    margin:1.5rem 0;
    font-style:italic;
  }
  .table-wrap{
    overflow-x:auto;
    margin:1.5rem 0;
  }
  table{
    width:100%;
    border-collapse:collapse;
    background:#fff;
    border-radius:10px;
    overflow:hidden;
    box-shadow:0 2px 15px rgba(0,0,0,.05);
  }
  thead{
    background:var(--primary);
    color:#fff;
  }
  th,td{
    padding:.9rem 1rem;
    text-align:left;
    border-bottom:1px solid var(--border);
    font-size:.95rem;
  }
  tbody tr:hover{
    background:#f8f9fa;
  }
  .btn{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:linear-gradient(135deg,var(--secondary),#c0392b);
    color:#fff;
    padding:.8rem 1.8rem;
    border-radius:50px;
    text-decoration:none;
    font-weight:600;
    transition:.3s;
    border:none;
    cursor:pointer;
    box-shadow:0 4px 15px rgba(233,69,96,.3);
  }
  .btn:hover{
    transform:translateY(-2px);
    box-shadow:0 8px 25px rgba(233,69,96,.4);
  }
  .btn-gold{
    background:linear-gradient(135deg,var(--gold),#e67e22);
    box-shadow:0 4px 15px rgba(249,168,38,.3);
  }
  .faq-section{
    background:#f8fafd;
    padding:1.5rem;
    border-radius:var(--radius);
    margin:2rem 0;
  }
  .faq-item{
    margin-bottom:1rem;
    border-bottom:1px solid var(--border);
    padding-bottom:1rem;
  }
  .faq-item:last-child{
    border:none;
    margin-bottom:0;
  }
  .faq-item summary{
    font-weight:700;
    cursor:pointer;
    color:var(--primary);
    list-style:none;
    display:flex;
    align-items:center;
    gap:10px;
  }
  .faq-item summary::before{
    content:"\f059";
    font-family:"Font Awesome 6 Free";
    font-weight:900;
    color:var(--secondary);
  }
  .widget{
    margin-bottom:1.8rem;
    background:#fff;
    border-radius:10px;
    padding:1.2rem;
    box-shadow:0 3px 12px rgba(0,0,0,.04);
    border:1px solid #eef0f3;
  }
  .widget h3{
    font-size:1.2rem;
    margin-bottom:.8rem;
    color:var(--primary);
    display:flex;
    align-items:center;
    gap:8px;
    border-bottom:2px solid var(--gold);
    padding-bottom:.5rem;
  }
  .widget ul{
    list-style:none;
  }
  .widget ul li{
    padding:.4rem 0;
    border-bottom:1px dashed #eee;
    font-size:.95rem;
  }
  .widget ul li a{
    text-decoration:none;
    color:var(--text);
    transition:.3s;
    display:flex;
    align-items:center;
    gap:6px;
  }
  .widget ul li a:hover{
    color:var(--secondary);
    padding-left:5px;
  }
  .widget ul li a::before{
    content:"\f105";
    font-family:"Font Awesome 6 Free";
    font-weight:900;
    color:var(--secondary);
    font-size:.8rem;
  }
  .social-box{
    display:flex;
    gap:.5rem;
    flex-wrap:wrap;
  }
  .social-box a{
    width:45px;
    height:45px;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    background:#f0f0f5;
    color:var(--primary);
    transition:.3s;
    text-decoration:none;
    font-size:1.2rem;
  }
  .social-box a:hover{
    background:var(--secondary);
    color:#fff;
    transform:translateY(-4px);
  }
  .form-section{
    margin:2.5rem 0;
    padding:2rem;
    background:linear-gradient(135deg,#f8fafd,#eef0f5);
    border-radius:var(--radius);
  }
  .form-section h2{
    border:none;
    margin-top:0;
    background:none;
    font-size:1.6rem;
    display:flex;
    align-items:center;
    gap:10px;
  }
  .form-group{
    margin-bottom:1.2rem;
  }
  .form-group label{
    font-weight:600;
    display:block;
    margin-bottom:.4rem;
    color:var(--dark);
  }
  .form-group input,
  .form-group textarea,
  .form-group select{
    width:100%;
    padding:.9rem 1.2rem;
    border:2px solid #ddd;
    border-radius:10px;
    font-size:1rem;
    transition:.3s;
    background:#fff;
    font-family:inherit;
  }
  .form-group input:focus,
  .form-group textarea:focus,
  .form-group select:focus{
    outline:none;
    border-color:var(--accent);
    box-shadow:0 0 0 3px rgba(15,52,96,.1);
  }
  .star-rating{
    display:flex;
    gap:8px;
    font-size:1.8rem;
    cursor:pointer;
    flex-direction:row-reverse;
    justify-content:flex-end;
  }
  .star-rating input{
    display:none;
  }
  .star-rating label{
    color:#dadde0;
    transition:.2s;
    cursor:pointer;
  }
  .star-rating label:hover,
  .star-rating label:hover ~ label,
  .star-rating input:checked ~ label{
    color:var(--gold);
  }
  .comment-list{
    margin-top:2rem;
  }
  .comment-item{
    background:#f9fafb;
    padding:1.2rem;
    border-radius:10px;
    margin-bottom:1rem;
    display:flex;
    gap:1rem;
  }
  .avatar{
    width:50px;
    height:50px;
    border-radius:50%;
    background:var(--primary);
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:700;
    font-size:1.2rem;
    flex-shrink:0;
  }
  .comment-content .name{
    font-weight:700;
    color:var(--dark);
  }
  .score-overview{
    display:flex;
    align-items:center;
    gap:2rem;
    background:#fff;
    padding:1.2rem;
    border-radius:10px;
    margin-top:1rem;
    border:1px solid var(--border);
  }
  .score-circle{
    width:100px;
    height:100px;
    border-radius:50%;
    background:conic-gradient(var(--gold) 87%, #eee 87%);
    display:flex;
    align-items:center;
    justify-content:center;
  }
  .score-circle span{
    width:70px;
    height:70px;
    background:#fff;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:1.5rem;
    font-weight:800;
    color:var(--dark);
  }
  .site-footer{
    background:#12121e;
    color:#a0a0bd;
    padding:3rem 2rem 1.5rem;
    margin-top:3rem;
  }
  .footer-inner{
    max-width:1280px;
    margin:0 auto;
    display:grid;
    grid-template-columns:2fr 1fr 1fr;
    gap:2rem;
  }
  .site-footer h4{
    color:#fff;
    font-size:1.2rem;
    margin-bottom:1rem;
  }
  .site-footer ul{
    list-style:none;
  }
  .site-footer ul li{
    padding:.3rem 0;
  }
  .site-footer a{
    color:#a0a0bd;
    text-decoration:none;
    transition:.3s;
  }
  .site-footer a:hover{
    color:var(--gold);
  }
  .copyright{
    text-align:center;
    padding-top:1.8rem;
    border-top:1px solid #1e1e38;
    margin-top:1.8rem;
    font-size:.85rem;
  }
  friend-link{
    display:block;
    background:#1a1a2e;
    border-radius:8px;
    padding:1rem;
    margin-top:1rem;
    text-align:center;
    color:#a0a0bd;
    font-size:.9rem;
  }
  friend-link a{
    color:var(--gold);
    text-decoration:none;
    padding:0 .5rem;
  }
  .upd-badge{
    display:inline-block;
    background:#e8f4fd;
    color:#0f3480;
    font-size:.8rem;
    padding:.25rem .8rem;
    border-radius:20px;
    margin-left:.5rem;
    font-weight:600;
  }
  @media(max-width:900px){
    .site-main{
      grid-template-columns:1fr;
      padding:0 .5rem;
    }
    .sidebar{
      position:static;
      margin-top:1rem;
    }
    .header-inner{
      padding:.5rem 0;
    }
    .burger{
      display:block;
    }
    .main-nav{
      display:none;
      width:100%;
      background:rgba(255,255,255,.05);
      border-radius:10px;
      padding:1rem;
      margin-top:.8rem;
    }
    .main-nav.open{
      display:block;
    }
    .main-nav ul{
      flex-direction:column;
      gap:.4rem;
    }
    .main-nav a{
      padding:.8rem 1rem;
    }
    .article-title{
      font-size:1.8rem;
    }
    .footer-inner{
      grid-template-columns:1fr;
    }
    .content-area{
      padding:1rem;
    }
  }
  @media(min-width:901px){
    .main-nav{
      display:block !important;
    }
  }