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

    :root {
      --bg: #faf8f5;
      --bg2: #ffffff;
      --bg3: #f5f2ed;
      --bg4: #ede8e0;
      --gold: #c9963a;
      --gold2: #e8b84b;
      --gold-dim: rgba(201, 150, 58, 0.1);
      --gold-border: rgba(201, 150, 58, 0.3);
      --gold-border-light: rgba(201, 150, 58, 0.15);
      --text: #1a1714;
      --text2: #5a5048;
      --text3: #9a8e84;
      --text4: #c8bfb5;
      --shadow-sm: 0 1px 4px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.04);
      --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.05);
      --shadow-lg: 0 16px 48px rgba(0,0,0,0.1), 0 4px 16px rgba(0,0,0,0.06);
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Noto Sans SC', sans-serif;
      background: var(--bg);
      color: var(--text);
      overflow-x: hidden;
    }

    ::-webkit-scrollbar { width: 4px; }
    ::-webkit-scrollbar-thumb { background: rgba(201,150,58,0.25); border-radius: 2px; }

    /* Subtle top glow */
    body::before {
      content: '';
      position: fixed; top: 0; left: 0; right: 0;
      height: 400px;
      background: radial-gradient(ellipse 80% 100% at 50% -10%, rgba(201,150,58,0.05) 0%, transparent 70%);
      pointer-events: none; z-index: 0;
    }

    .container {
      position: relative; z-index: 1;
      max-width: 1280px; margin: 0 auto; padding: 0 40px;
    }

    /* ======================= HEADER ======================= */
    header {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      padding: 0 40px;
      background: rgba(250, 248, 245, 0.88);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(0,0,0,0.06);
      height: 68px;
      display: flex; align-items: center;
    }

    header > .inner {
      max-width: 1280px; margin: 0 auto;
      width: 100%;
      display: flex; align-items: center; justify-content: space-between;
    }

    .logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }

    .logo-mark {
      width: 38px; height: 38px;
      background: var(--text);
      border-radius: 10px;
      display: flex; align-items: center; justify-content: center;
      font-family: 'Rajdhani', sans-serif;
      font-weight: 700; font-size: 14px;
      color: var(--gold);
      letter-spacing: 0.5px;
      transition: transform 0.3s, box-shadow 0.3s;
    }

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

    .logo-name { font-weight: 700; font-size: 16px; color: var(--text); letter-spacing: 2px; }
    .logo-sub { font-family: 'Rajdhani', sans-serif; font-size: 10px; color: var(--text3); letter-spacing: 4px; text-transform: uppercase; margin-top: 1px; }

    nav { display: flex; align-items: center; gap: 4px; }

    nav a {
      font-family: 'Rajdhani', sans-serif;
      font-size: 13px; font-weight: 500;
      color: var(--text2); text-decoration: none;
      padding: 8px 16px; border-radius: 8px;
      letter-spacing: 1px; transition: all 0.25s;
    }

    nav a:hover { color: var(--text); background: rgba(0,0,0,0.04); }
    nav a.active { color: var(--gold); background: var(--gold-dim); }

    /* ======================= HERO ======================= */
    .hero {
      min-height: 100vh;
      display: flex; flex-direction: column;
      align-items: center; justify-content: center;
      text-align: center;
      padding: 68px 40px 0;
      position: relative;
    }

    /* Big background text */
    .hero-bg-text {
      position: absolute;
      top: 50%; left: 50%;
      transform: translate(-50%, -50%);
      font-size: clamp(120px, 22vw, 340px);
      font-weight: 900;
      font-family: 'DM Serif Display', serif;
      color: rgba(0,0,0,0.025);
      white-space: nowrap;
      pointer-events: none;
      user-select: none;
      letter-spacing: -4px;
      z-index: 0;
    }

    /* Decorative lines */
    .hero-line-left, .hero-line-right {
      position: absolute; top: 50%; transform: translateY(-50%);
      width: 1px; height: 200px;
      pointer-events: none;
    }

    .hero-line-left { left: 60px; background: linear-gradient(to bottom, transparent, rgba(201,150,58,0.35), transparent); }
    .hero-line-right { right: 60px; background: linear-gradient(to bottom, transparent, rgba(201,150,58,0.35), transparent); }

    .hero-top { position: relative; z-index: 1; }

    .hero-label {
      display: inline-flex; align-items: center; gap: 10px;
      padding: 8px 20px;
      background: var(--gold-dim);
      border: 1px solid var(--gold-border-light);
      border-radius: 100px;
      font-family: 'Rajdhani', sans-serif;
      font-size: 11px; font-weight: 600;
      color: var(--gold);
      letter-spacing: 4px; text-transform: uppercase;
      margin-bottom: 40px;
      opacity: 0;
      animation: heroFade 1s ease 0.1s forwards;
    }

    .hero-label::before { content: ''; width: 5px; height: 5px; background: var(--gold); border-radius: 50%; }

    .hero h1 {
      font-size: clamp(52px, 10vw, 140px);
      font-weight: 900;
      line-height: 0.95;
      letter-spacing: -3px;
      opacity: 0;
      animation: heroFade 1s ease 0.2s forwards;
    }

    .hero h1 .brand {
      display: block;
      color: #1a1a1a;
      -webkit-text-fill-color: #1a1a1a;
    }

    .hero h1 .sub {
      display: block; font-weight: 300;
      color: var(--text2); letter-spacing: 8px; font-size: 0.28em;
      margin-top: 14px;
      -webkit-text-fill-color: var(--text3);
    }

    @keyframes heroFade {
      from { opacity: 0; transform: translateY(30px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .hero-desc {
      font-size: clamp(14px, 2vw, 18px);
      color: var(--text2);
      max-width: 560px; line-height: 1.75;
      margin: 28px auto 0;
      opacity: 0;
      animation: heroFade 1s ease 0.35s forwards;
    }

    .hero-actions {
      display: flex; gap: 16px; justify-content: center;
      margin-top: 48px;
      opacity: 0;
      animation: heroFade 1s ease 0.5s forwards;
    }

    .btn {
      display: inline-flex; align-items: center; gap: 10px;
      padding: 15px 36px; border-radius: 8px;
      font-size: 14px; font-weight: 600;
      text-decoration: none; transition: all 0.3s;
      cursor: pointer; border: none;
      letter-spacing: 0.5px;
    }

    .btn-primary {
      background: var(--text);
      color: var(--bg);
      box-shadow: var(--shadow-md);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-lg);
    }

    .btn-outline {
      background: transparent;
      color: var(--text);
      border: 1px solid rgba(0,0,0,0.12);
      box-shadow: var(--shadow-sm);
    }

    .btn-outline:hover {
      background: rgba(0,0,0,0.03);
      border-color: rgba(0,0,0,0.18);
      transform: translateY(-2px);
    }

    /* Scroll indicator */
    .scroll-hint {
      position: absolute; bottom: 40px; left: 50%;
      transform: translateX(-50%);
      display: flex; flex-direction: column; align-items: center; gap: 8px;
      opacity: 0;
      animation: heroFade 1s ease 0.8s forwards;
    }

    .scroll-hint span { font-family: 'Rajdhani', sans-serif; font-size: 10px; color: var(--text4); letter-spacing: 3px; text-transform: uppercase; }

    .scroll-line {
      width: 1px; height: 40px;
      background: linear-gradient(to bottom, var(--gold), transparent);
      animation: scrollAnim 2s ease-in-out infinite;
    }

    @keyframes scrollAnim {
      0% { transform: scaleY(0); transform-origin: top; }
      50% { transform: scaleY(1); transform-origin: top; }
      51% { transform: scaleY(1); transform-origin: bottom; }
      100% { transform: scaleY(0); transform-origin: bottom; }
    }

    /* ======================= BANNER DIVIDER ======================= */
    .banner-strip {
      padding: 80px 0;
      border-top: 1px solid rgba(0,0,0,0.05);
      border-bottom: 1px solid rgba(0,0,0,0.05);
      background: var(--bg2);
      position: relative; overflow: hidden;
    }

    .banner-strip::before {
      content: ''; position: absolute; inset: 0;
      background: radial-gradient(ellipse 60% 100% at 50% 50%, rgba(201,150,58,0.04) 0%, transparent 70%);
    }

    .strip-inner { display: flex; align-items: center; justify-content: center; gap: 0; flex-wrap: wrap; }

    .strip-item {
      display: flex; align-items: center; gap: 14px;
      padding: 20px 48px;
      border-right: 1px solid rgba(0,0,0,0.06);
    }

    .strip-item:last-child { border-right: none; }

    .strip-num {
      font-family: 'DM Serif Display', serif;
      font-size: 42px; color: var(--gold);
      font-weight: 400; line-height: 1;
    }

    .strip-info .sl { font-size: 11px; color: var(--text4); letter-spacing: 2px; text-transform: uppercase; }
    .strip-info .sv { font-size: 15px; color: var(--text); font-weight: 600; margin-top: 2px; }

    /* ======================= SYSTEMS ======================= */
    .systems { padding: 100px 0 120px; }

    .section-label {
      font-family: 'Rajdhani', sans-serif;
      font-size: 11px; font-weight: 600;
      letter-spacing: 5px; text-transform: uppercase;
      color: var(--gold); display: block; margin-bottom: 16px;
      opacity: 0;
    }

    .section-label.vis { opacity: 1; }

    .section-title {
      font-size: clamp(36px, 6vw, 72px);
      font-weight: 900;
      letter-spacing: -2px; line-height: 1;
      color: var(--text);
      margin-bottom: 16px;
      opacity: 0;
    }

    .section-title.vis { opacity: 1; }

    .section-desc {
      font-size: 15px; color: var(--text2);
      max-width: 480px; line-height: 1.7;
      opacity: 0;
    }

    .section-desc.vis { opacity: 1; }

    /* Cards */
    .sys-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 60px;
    }

    @media (max-width: 900px) { .sys-grid { grid-template-columns: 1fr; gap: 20px; max-width: 480px; margin-left: auto; margin-right: auto; } }

    .sys-card {
      background: var(--bg2);
      border: 1px solid rgba(0,0,0,0.07);
      border-radius: 20px;
      overflow: hidden;
      position: relative;
      transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      opacity: 0; transform: translateY(40px);
      display: flex; flex-direction: column;
    }

    .sys-card.vis { opacity: 1; transform: translateY(0); }
    .sys-card:nth-child(2).vis { transition-delay: 0.15s; }
    .sys-card:nth-child(3).vis { transition-delay: 0.3s; }

    .sys-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-lg);
      border-color: var(--gold-border);
    }

    /* Card top banner */
    .sys-card-head {
      height: 180px;
      position: relative;
      overflow: hidden;
      display: flex; flex-direction: column;
      align-items: flex-start; justify-content: flex-end;
      padding: 28px 32px;
    }

    .sys-card:nth-child(1) .sys-card-head { background: linear-gradient(145deg, #e8f4fd 0%, #d0e8f7 50%, #c0ddf5 100%); }
    .sys-card:nth-child(2) .sys-card-head { background: linear-gradient(145deg, #ede8f7 0%, #ddd6f5 50%, #cfc5f2 100%); }
    .sys-card:nth-child(3) .sys-card-head { background: linear-gradient(145deg, #e6f7f2 0%, #c8f0e5 50%, #b8e8db 100%); }

    /* Subtle grid pattern on card head */
    .sys-card-head::before {
      content: '';
      position: absolute; inset: 0;
      background-image:
        linear-gradient(rgba(0,0,0,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.02) 1px, transparent 1px);
      background-size: 30px 30px;
    }

    /* Gold top border */
    .sys-card-head::after {
      content: '';
      position: absolute; top: 0; left: 0; right: 0; height: 3px;
      background: linear-gradient(90deg, var(--gold2), var(--gold), var(--gold2));
      opacity: 0;
      transition: opacity 0.3s;
    }

    .sys-card:hover .sys-card-head::after { opacity: 1; }

    /* Large background win label */
    .sys-win-bg {
      position: absolute;
      top: 50%; left: 50%;
      transform: translate(-50%, -50%);
      font-size: clamp(60px, 10vw, 100px);
      font-weight: 900;
      font-family: 'DM Serif Display', serif;
      letter-spacing: -2px;
      line-height: 1;
      color: rgba(0,0,0,0.04);
      transition: color 0.3s;
      user-select: none; pointer-events: none;
    }

    .sys-card:hover .sys-win-bg { color: rgba(0,0,0,0.07); }

    .sys-ver-badge {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 4px 12px;
      background: rgba(255,255,255,0.7);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(0,0,0,0.06);
      border-radius: 6px;
      font-family: 'Rajdhani', sans-serif;
      font-size: 11px; font-weight: 700;
      color: var(--gold);
      letter-spacing: 2px;
      margin-bottom: 12px;
      position: relative; z-index: 1;
    }

    .sys-win-label {
      position: relative; z-index: 1;
      font-size: 32px; font-weight: 900;
      color: var(--text); letter-spacing: -0.5px;
      line-height: 1;
    }

    .sys-win-sub {
      position: relative; z-index: 1;
      font-family: 'Rajdhani', sans-serif;
      font-size: 13px; color: var(--text2);
      font-weight: 500; letter-spacing: 1px;
      margin-top: 4px;
    }

    /* Card body */
    .sys-card-body {
      padding: 24px 28px 28px;
      flex: 1; display: flex; flex-direction: column;
    }

    .sys-card-edition {
      font-size: 13px; color: var(--text2);
      line-height: 1.65; margin-bottom: 20px;
    }

    .sys-card-features {
      list-style: none;
      display: flex; flex-direction: column; gap: 9px;
      flex: 1;
    }

    .sys-card-features li {
      display: flex; align-items: center; gap: 10px;
      font-size: 13px; color: var(--text2);
    }

    .sys-card-features li::before {
      content: '';
      width: 16px; height: 1px;
      background: var(--gold);
      flex-shrink: 0;
    }

    .sys-card-foot {
      margin-top: auto;
      padding-top: 20px;
      border-top: 1px solid rgba(0,0,0,0.05);
      display: flex; align-items: center; justify-content: space-between;
    }

    .sys-size .lbl { font-size: 10px; color: var(--text4); letter-spacing: 2px; text-transform: uppercase; }
    .sys-size .val { font-family: 'DM Serif Display', serif; font-size: 22px; color: var(--gold); margin-top: 2px; }

    .dl-btn {
      padding: 11px 22px;
      background: var(--gold-dim);
      border: 1px solid var(--gold-border);
      color: var(--gold);
      border-radius: 8px;
      font-family: 'Noto Sans SC', sans-serif;
      font-size: 13px; font-weight: 700;
      cursor: pointer; transition: all 0.3s;
      display: flex; align-items: center; gap: 8px;
      text-decoration: none;
    }

    .dl-btn:hover {
      background: var(--gold);
      color: var(--bg);
      transform: translateY(-2px);
      box-shadow: 0 4px 16px rgba(201,150,58,0.3);
    }

    .dl-btn svg { width: 16px; height: 16px; }

    /* ======================= FEATURES ======================= */
    .features { padding: 100px 0; }

    .feat-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 60px;
    }

    @media (max-width: 900px) { .feat-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 500px) { .feat-grid { grid-template-columns: 1fr; } }

    .feat-item {
      padding: 32px 24px;
      background: var(--bg2);
      border: 1px solid rgba(0,0,0,0.05);
      border-radius: 16px;
      transition: all 0.35s;
      opacity: 0; transform: translateY(20px);
    }

    .feat-item.vis { opacity: 1; transform: translateY(0); }
    .feat-item:nth-child(2).vis { transition-delay: 0.1s; }
    .feat-item:nth-child(3).vis { transition-delay: 0.2s; }
    .feat-item:nth-child(4).vis { transition-delay: 0.3s; }

    .feat-item:hover {
      background: var(--bg2);
      border-color: var(--gold-border);
      box-shadow: 0 4px 20px rgba(201,150,58,0.08);
      transform: translateY(-3px);
    }

    .feat-icon {
      width: 48px; height: 48px; margin-bottom: 20px;
      background: var(--gold-dim);
      border-radius: 12px;
      display: flex; align-items: center; justify-content: center;
      border: 1px solid var(--gold-border-light);
    }

    .feat-icon svg { width: 22px; height: 22px; color: var(--gold); }

    .feat-item h4 { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
    .feat-item p { font-size: 13px; color: var(--text2); line-height: 1.7; }

    /* ======================= STEPS ======================= */
    .steps { padding: 100px 0; }

    .steps-track {
      display: flex; align-items: stretch;
      margin-top: 60px;
      position: relative;
    }

    .steps-track::before {
      content: '';
      position: absolute; top: 36px; left: 0; right: 0; height: 1px;
      background: linear-gradient(90deg, transparent, var(--gold-border), transparent);
    }

    .step {
      flex: 1; text-align: center; padding: 0 24px;
      opacity: 0; transform: translateY(24px);
    }

    .step.vis { opacity: 1; transform: translateY(0); }
    .step:nth-child(2).vis { transition-delay: 0.2s; }
    .step:nth-child(3).vis { transition-delay: 0.4s; }

    .step-num {
      width: 72px; height: 72px;
      margin: 0 auto 28px;
      background: var(--bg);
      border: 1px solid var(--gold-border);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-family: 'DM Serif Display', serif;
      font-size: 26px; color: var(--gold);
      position: relative; z-index: 1;
      transition: all 0.3s;
    }

    .step:hover .step-num {
      background: var(--gold);
      color: var(--bg);
      box-shadow: 0 0 40px rgba(201,150,58,0.3);
    }

    .step h4 { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
    .step p { font-size: 13px; color: var(--text2); line-height: 1.65; max-width: 240px; margin: 0 auto; }

    @media (max-width: 700px) {
      .steps-track { flex-direction: column; }
      .steps-track::before { display: none; }
      .step { text-align: left; padding: 0 0 40px; }
      .step-num { margin: 0 0 16px; }
      .step p { max-width: 100%; margin: 0; }
    }

    /* ======================= CTA ======================= */
    .cta { padding: 120px 0; text-align: center; position: relative; overflow: hidden; }

    .cta::before {
      content: ''; position: absolute; inset: 0;
      background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(201,150,58,0.06) 0%, transparent 70%);
    }

    .cta-inner { position: relative; z-index: 1; }

    .cta h2 {
      font-size: clamp(36px, 7vw, 88px);
      font-weight: 900;
      letter-spacing: -3px; line-height: 1;
      margin-bottom: 20px;
      opacity: 0;
    }

    .cta h2.vis { opacity: 1; }

    .cta h2 .hi {
      background: linear-gradient(135deg, #e8b84b, var(--gold), #a87a28);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    }

    .cta p { font-size: 16px; color: var(--text2); margin-bottom: 48px; opacity: 0; }
    .cta p.vis { opacity: 1; }

    .cta-btns { display: flex; gap: 16px; justify-content: center; opacity: 0; }
    .cta-btns.vis { opacity: 1; }

    /* ======================= FOOTER ======================= */
    footer {
      padding: 60px 0 40px;
      border-top: 1px solid rgba(0,0,0,0.06);
    }

    .ft-inner { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 40px; margin-bottom: 48px; }

    .ft-brand p { font-size: 13px; color: var(--text3); margin-top: 10px; line-height: 1.7; }

    .ft-col h5 { font-size: 11px; font-weight: 700; color: var(--text3); letter-spacing: 3px; text-transform: uppercase; margin-bottom: 16px; }
    .ft-col a { display: block; font-size: 13px; color: var(--text3); text-decoration: none; margin-bottom: 8px; transition: color 0.2s; }
    .ft-col a:hover { color: var(--gold); }

    .ft-bottom { border-top: 1px solid rgba(0,0,0,0.04); padding-top: 24px; text-align: center; font-size: 12px; color: var(--text4); }

    /* Scroll to top */
    .stt {
      position: fixed; bottom: 32px; right: 32px;
      width: 48px; height: 48px;
      background: var(--gold);
      border: none; border-radius: 12px;
      display: flex; align-items: center; justify-content: center;
      cursor: pointer; z-index: 50; transition: all 0.3s;
      opacity: 0; transform: translateY(20px);
    }

    .stt.on { opacity: 1; transform: translateY(0); }
    .stt:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(201,150,58,0.35); }
    .stt svg { width: 20px; height: 20px; color: #fff; }

    /* Modal */
    #modal {
      display: none; position: fixed; inset: 0;
      z-index: 200; background: rgba(0,0,0,0.45);
      backdrop-filter: blur(6px);
      align-items: center; justify-content: center;
    }

    .modal-box {
      background: var(--bg2);
      border: 1px solid var(--gold-border-light);
      border-radius: 20px; padding: 44px;
      max-width: 420px; width: 90%; text-align: center; position: relative;
      box-shadow: var(--shadow-lg);
    }

    .modal-box .xbtn {
      position: absolute; top: 16px; right: 20px;
      background: none; border: none; color: var(--text3); cursor: pointer;
      font-size: 22px; line-height: 1;
    }

    .modal-icon {
      width: 56px; height: 56px; margin: 0 auto 20px;
      background: var(--gold-dim);
      border-radius: 16px;
      display: flex; align-items: center; justify-content: center;
      border: 1px solid var(--gold-border-light);
    }

    .modal-icon svg { width: 26px; height: 26px; color: var(--gold); }
    .modal-box h3 { font-weight: 800; font-size: 22px; color: var(--text); margin-bottom: 6px; }
    .modal-box .sub { font-size: 13px; color: var(--text3); margin-bottom: 22px; }

    .modal-info {
      background: var(--bg);
      border-radius: 12px; padding: 16px;
      margin-bottom: 20px; text-align: left;
    }

    .modal-info div { font-size: 13px; color: var(--text2); line-height: 1.9; display: flex; align-items: center; gap: 8px; }
    .modal-info div .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--gold); flex-shrink: 0; }

    .modal-btns { display: flex; gap: 10px; }

    .modal-btns button {
      flex: 1; padding: 12px;
      border-radius: 10px; font-size: 13px;
      font-family: 'Noto Sans SC', sans-serif;
      cursor: pointer; transition: all 0.25s;
    }

    .modal-btns .cancel { background: transparent; border: 1px solid rgba(0,0,0,0.1); color: var(--text2); }
    .modal-btns .cancel:hover { background: rgba(0,0,0,0.03); }
    .modal-btns .confirm { background: var(--gold); border: none; color: #fff; font-weight: 700; }
    .modal-btns .confirm:hover { background: var(--gold2); }

    @media (max-width: 700px) {
      .container { padding: 0 20px; }
      header { padding: 0 20px; }
      nav { display: none; }
      .hero-line-left, .hero-line-right { display: none; }
      .strip-item { padding: 16px 20px; }
      .strip-num { font-size: 32px; }
    }