:root {
      --primary: #1D7BFF;
      --primary-hover: #0056cc;
      --theme-color: rgb(98,114,164);
      --bg-dark: #0B111E;
      --bg-light: #F4F7FC;
      --text-dark: #1E293B;
      --text-light: #F8FAFC;
      --text-muted: #64748B;
      --border-color: rgba(29, 123, 255, 0.15);
      --card-bg: rgba(255, 255, 255, 0.8);
      --shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      color: var(--text-dark);
      background-color: var(--bg-light);
      line-height: 1.6;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    img { max-width: 100%; height: auto; }
    
    
    .header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 100;
      background: rgba(11, 17, 30, 0.75);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 15px 0;
      transition: var(--transition);
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    .header-nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }
    .logo img {
      display: block;
      height: 40px;
      width: auto;
      max-width: 160px;
      object-fit: contain;
      flex-shrink: 0;
    }
    .logo span {
      display: inline-block;
      font-size: 20px;
      font-weight: 800;
      line-height: 1;
      color: var(--text-light);
      white-space: nowrap;
      letter-spacing: 0.5px;
    }
    .nav-list {
      display: flex;
      align-items: center;
      gap: 30px;
      list-style: none;
    }
    .nav-list a {
      color: rgba(248, 250, 252, 0.85);
      font-size: 15px;
      font-weight: 500;
    }
    .nav-list a:hover {
      color: var(--primary);
    }
    .nav-btn {
      background: var(--primary);
      color: #fff !important;
      padding: 8px 20px;
      border-radius: 6px;
      font-weight: 600 !important;
    }
    .nav-btn:hover {
      background: var(--primary-hover);
      transform: translateY(-1px);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      color: var(--text-light);
      font-size: 24px;
      cursor: pointer;
    }

    
    .drawer-backdrop {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0,0,0,0.6);
      z-index: 1000;
      opacity: 0;
      visibility: hidden;
      transition: var(--transition);
    }
    .drawer {
      position: fixed;
      top: 0;
      left: -300px;
      width: 300px;
      height: 100%;
      background: var(--bg-dark);
      z-index: 1001;
      box-shadow: 5px 0 25px rgba(0,0,0,0.3);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      padding: 30px 20px;
    }
    .drawer.active { left: 0; }
    .drawer-backdrop.active { opacity: 1; visibility: visible; }
    .drawer-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 40px;
    }
    .drawer-close {
      background: none;
      border: none;
      color: var(--text-light);
      font-size: 24px;
      cursor: pointer;
    }
    .drawer-nav {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .drawer-nav a {
      color: var(--text-light);
      font-size: 18px;
      font-weight: 500;
      padding: 10px 0;
      border-bottom: 1px solid rgba(255,255,255,0.05);
    }

    
    .hero-layout-01 {
      background: radial-gradient(circle at 50% -20%, rgba(29, 123, 255, 0.2) 0%, rgba(11, 17, 30, 0) 70%), #0B111E;
      color: var(--text-light);
      text-align: center;
      padding: 150px 20px 100px;
      position: relative;
      overflow: hidden;
    }
    .hero-meta {
      display: inline-block;
      background: rgba(29, 123, 255, 0.15);
      border: 1px solid rgba(29, 123, 255, 0.3);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 24px;
      letter-spacing: 1px;
    }
    .hero-title {
      font-size: 48px;
      font-weight: 800;
      line-height: 1.25;
      max-width: 800px;
      margin: 0 auto 20px;
      letter-spacing: -1px;
    }
    .hero-subtitle {
      font-size: 18px;
      color: #94A3B8;
      max-width: 600px;
      margin: 0 auto 35px;
    }
    .hero-buttons {
      display: flex;
      justify-content: center;
      gap: 15px;
      margin-bottom: 60px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      padding: 12px 28px;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 600;
      transition: var(--transition);
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
    }
    .btn-primary:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 10px 20px rgba(29, 123, 255, 0.3);
    }
    .btn-outline {
      border: 1px solid rgba(255,255,255,0.2);
      color: var(--text-light);
    }
    .btn-outline:hover {
      background: rgba(255,255,255,0.05);
      border-color: rgba(255,255,255,0.4);
    }
    
    
    .hero-visual-container {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
      margin-top: 40px;
    }
    .visual-panel {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 16px;
      padding: 40px;
      backdrop-filter: blur(20px);
      box-shadow: 0 30px 60px rgba(0,0,0,0.4);
    }
    .trend-chart-mock {
      width: 100%;
      height: 180px;
      border-bottom: 1.5px solid rgba(255, 255, 255, 0.1);
      position: relative;
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      padding: 0 20px;
    }
    .trend-bar {
      width: 8%;
      background: linear-gradient(180deg, var(--primary) 0%, rgba(29,123,255,0.1) 100%);
      border-radius: 4px 4px 0 0;
      animation: barGrow 1.5s ease-out forwards;
      opacity: 0.85;
    }
    @keyframes barGrow {
      from { height: 0; }
      to { height: var(--h); }
    }
    
    
    .float-card {
      position: absolute;
      background: rgba(11, 17, 30, 0.85);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 16px;
      text-align: left;
      display: flex;
      align-items: center;
      gap: 12px;
      backdrop-filter: blur(10px);
      box-shadow: 0 15px 35px rgba(0,0,0,0.25);
      width: 220px;
    }
    .fc-icon {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background: rgba(29, 123, 255, 0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 18px;
    }
    .fc-title { font-size: 14px; font-weight: 700; color: var(--text-light); }
    .fc-desc { font-size: 11px; color: #94A3B8; margin-top: 2px; }
    
    .fc-1 { top: -20px; left: -40px; }
    .fc-2 { top: 40px; right: -60px; }
    .fc-3 { bottom: -10px; left: -60px; }
    .fc-4 { bottom: 40px; right: -40px; }

    
    .trust-strip {
      background: #0F172A;
      border-top: 1px solid rgba(255,255,255,0.05);
      border-bottom: 1px solid rgba(255,255,255,0.05);
      padding: 24px 0;
    }
    .trust-grid {
      display: flex;
      justify-content: space-around;
      flex-wrap: wrap;
      gap: 20px;
    }
    .trust-item {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #94A3B8;
      font-size: 14px;
    }
    .trust-item strong { color: var(--text-light); }

    
    .section-padding { padding: 90px 0; }
    .sec-title-wrap {
      text-align: center;
      max-width: 600px;
      margin: 0 auto 50px;
    }
    .sec-badge {
      display: inline-block;
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 2px;
      margin-bottom: 12px;
    }
    .sec-title {
      font-size: 36px;
      font-weight: 800;
      color: #0F172A;
      letter-spacing: -0.5px;
    }
    .sec-desc { color: var(--text-muted); margin-top: 15px; }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .feature-card {
      background: #fff;
      border: 1px solid #E2E8F0;
      border-radius: 12px;
      padding: 35px;
      transition: var(--transition);
    }
    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow);
      border-color: var(--primary);
    }
    .feat-icon {
      font-size: 28px;
      color: var(--primary);
      margin-bottom: 20px;
    }
    .feat-title { font-size: 18px; font-weight: 700; margin-bottom: 12px; color: #0F172A; }
    .feat-desc { color: var(--text-muted); font-size: 14px; line-height: 1.6; }

    
    .content-block {
      background: #fff;
      border-top: 1px solid #E2E8F0;
    }
    .split-layout {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 40px;
    }
    
    
    .article-list-wrap { display: flex; flex-direction: column; gap: 30px; }
    .article-item {
      display: flex;
      gap: 20px;
      background: #fff;
      border: 1px solid #E2E8F0;
      border-radius: 12px;
      overflow: hidden;
      transition: var(--transition);
    }
    .article-item:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow);
      border-color: rgba(29, 123, 255, 0.3);
    }
    .article-img {
      width: 200px;
      height: 150px;
      object-fit: cover;
      flex-shrink: 0;
      background: #EDF2F7;
    }
    .article-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      flex-grow: 1;
    }
    .article-title {
      font-size: 18px;
      font-weight: 700;
      color: #0F172A;
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .article-summary {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .article-meta {
      display: flex;
      align-items: center;
      gap: 15px;
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 15px;
    }
    .article-tag {
      background: var(--bg-light);
      color: var(--primary);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

    
    .sidebar-card {
      background: #fff;
      border: 1px solid #E2E8F0;
      border-radius: 12px;
      padding: 25px;
      margin-bottom: 30px;
    }
    .sb-title { font-size: 18px; font-weight: 700; margin-bottom: 20px; border-left: 4px solid var(--primary); padding-left: 12px; }
    
    .hot-list { display: flex; flex-direction: column; gap: 15px; list-style: none; }
    .hot-item { display: flex; gap: 12px; align-items: flex-start; }
    .hot-num { font-size: 16px; font-weight: 800; color: var(--primary); width: 24px; }
    .hot-link { font-size: 14px; font-weight: 600; color: #334155; }
    .hot-link:hover { color: var(--primary); }

    .tag-cloud-wrap { display: flex; flex-wrap: wrap; gap: 8px; }
    .tag-cloud-wrap a {
      font-size: 12px;
      background: var(--bg-light);
      color: #475569;
      padding: 6px 12px;
      border-radius: 6px;
      border: 1px solid #E2E8F0;
    }
    .tag-cloud-wrap a:hover {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
    }

    
    .cta-sec {
      background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
      color: var(--text-light);
      text-align: center;
      padding: 80px 20px;
      position: relative;
    }
    .cta-title { font-size: 32px; font-weight: 800; margin-bottom: 15px; }
    .cta-desc { color: #94A3B8; max-width: 600px; margin: 0 auto 30px; }

    
    .footer {
      background: #0F172A;
      color: #94A3B8;
      padding: 70px 0 30px;
      border-top: 1px solid rgba(255,255,255,0.05);
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand p { margin-top: 15px; line-height: 1.6; }
    .footer-col h4 { color: var(--text-light); font-size: 16px; font-weight: 700; margin-bottom: 20px; }
    .footer-links { list-style: none; display: flex; flex-direction: column; gap: 12px; }
    .footer-links a:hover { color: var(--primary); }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.05);
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 15px;
    }

    
    @media (max-width: 1024px) {
      .hero-visual-container { max-width: 700px; }
      .float-card { display: none; }
      .feature-grid { grid-template-columns: repeat(2, 1fr); }
      .split-layout { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .nav-list { display: none; }
      .menu-toggle { display: block; }
      .hero-title { font-size: 32px; }
      .hero-subtitle { font-size: 15px; }
      .feature-grid { grid-template-columns: 1fr; }
      .article-item { flex-direction: column; }
      .article-img { width: 100%; height: 200px; }
      .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    }