.btn-primary { display: inline-block; background: var(--orange); color: var(--navy); text-decoration: none; border: none; padding: 14px 32px; border-radius: 50px; font-size: 15px; font-weight: 700; cursor: pointer; font-family: inherit; transition: opacity 0.15s; }
  .btn-primary:hover { opacity: 0.88; }
  .btn-ghost { display: inline-block; background: transparent; color: var(--navy); text-decoration: none; border: 1.5px solid var(--border-med); padding: 13px 32px; border-radius: 50px; font-size: 15px; font-weight: 500; cursor: pointer; font-family: inherit; transition: border-color 0.15s; }
  .btn-ghost:hover { border-color: var(--navy); }

  .hero { padding: 1rem 0 3rem; border-bottom: 1px solid var(--border); margin-bottom: 3rem; }
  .hero-badge { display: inline-block; background: var(--orange-dim); border: 1px solid var(--orange-border); color: var(--orange); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; padding: 4px 14px; border-radius: 20px; margin-bottom: 1.5rem; font-weight: 600; }
  .hero h1 { font-size: 48px; font-weight: 700; line-height: 1.08; margin-bottom: 1.25rem; color: var(--navy); letter-spacing: -1px; }
  .hero h1 span { color: var(--orange); }
  .hero-sub { font-size: 17px; color: var(--text-mid); line-height: 1.85; max-width: 580px; margin-bottom: 0.75rem; }
  .hero-desc { font-size: 15px; color: var(--text-light); line-height: 1.7; max-width: 580px; margin-bottom: 2rem; }
  .hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

  .prose-section { margin-bottom: 3rem; }
  .prose-section h2 { font-size: 28px; font-weight: 700; margin-bottom: 1rem; color: var(--navy); letter-spacing: -0.5px; }
  .prose-section p { font-size: 16px; color: var(--text-mid); line-height: 1.85; margin-bottom: 0.875rem; max-width: 700px; }

  .gpu-section { margin-bottom: 3.5rem; }
  .gpu-section h2 { font-size: 28px; font-weight: 700; margin-bottom: 0.5rem; color: var(--navy); letter-spacing: -0.5px; }
  .gpu-section .sub { font-size: 16px; color: var(--text-mid); line-height: 1.85; margin-bottom: 1.75rem; max-width: 640px; }
  .gpu-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .gpu-card { background: var(--white); border: 1.5px solid var(--border); border-radius: 12px; padding: 1.75rem; display: flex; flex-direction: column; transition: border-color 0.15s, box-shadow 0.15s; }
  .gpu-card:hover { border-color: var(--orange); box-shadow: 0 2px 12px rgba(255,153,51,0.10); }
  .gpu-card.featured { border: 2px solid var(--orange); }
  .gpu-tier { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-light); margin-bottom: 6px; }
  .gpu-name { font-size: 22px; font-weight: 700; color: var(--navy); margin-bottom: 4px; letter-spacing: -0.3px; }
  .gpu-price { font-size: 36px; font-weight: 700; color: var(--orange); line-height: 1; letter-spacing: -1px; margin-bottom: 4px; }
  .gpu-price sup { font-size: 18px; vertical-align: top; margin-top: 6px; }
  .gpu-unit { font-size: 12px; color: var(--text-light); margin-bottom: 1.25rem; }
  .gpu-divider { border: none; border-top: 1px solid var(--border); margin: 1rem 0; }
  .gpu-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-light); margin-bottom: 8px; margin-top: 1rem; }
  .gpu-label:first-of-type { margin-top: 0; }
  .gpu-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 0; }
  .gpu-tag { font-size: 11px; background: var(--bg); border: 1px solid var(--border); border-radius: 20px; padding: 3px 10px; color: var(--text-mid); }
  .gpu-scenario { font-size: 13px; color: var(--text-mid); line-height: 1.7; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); flex: 1; }
  .gpu-scenario strong { color: var(--navy); font-weight: 600; }

  .billing-toggle-wrap { display: flex; align-items: center; justify-content: center; margin-bottom: 1.75rem; }
  .billing-toggle { display: inline-flex; background: var(--bg); border: 1.5px solid var(--border); border-radius: 50px; padding: 3px; gap: 3px; }
  .billing-toggle-btn { padding: 7px 22px; border-radius: 50px; border: none; background: transparent; font-size: 14px; font-weight: 600; color: var(--text-mid); cursor: pointer; font-family: inherit; transition: background 0.15s, color 0.15s; white-space: nowrap; }
  .billing-toggle-btn.active { background: var(--orange); color: var(--navy); }
  .billing-toggle-btn:not(.active):hover { background: var(--border); }
  .billing-save-badge { margin-left: 10px; font-size: 11px; font-weight: 700; background: #e8f5e9; color: #2e7d32; border: 1px solid #c8e6c9; border-radius: 20px; padding: 4px 10px; letter-spacing: 0.04em; }
  
  .multi-callout { background: var(--bg); border-radius: 12px; padding: 1.75rem; margin-bottom: 3.5rem; border: 1px solid var(--border); display: flex; gap: 1.5rem; align-items: flex-start; }
  .multi-icon { width: 40px; height: 40px; border-radius: 8px; background: var(--orange-dim); border: 1px solid var(--orange-border); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
  .multi-icon svg { width: 18px; height: 18px; stroke: var(--orange); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
  .multi-text h3 { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
  .multi-text p { font-size: 14px; color: var(--text-mid); line-height: 1.7; }

  .how-section { margin-bottom: 3.5rem; }
  .how-section h2 { font-size: 28px; font-weight: 700; margin-bottom: 1.75rem; color: var(--navy); letter-spacing: -0.5px; }
  .how-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .how-step { background: var(--white); border: 1.5px solid var(--border); border-radius: 12px; padding: 1.5rem; transition: border-color 0.15s, box-shadow 0.15s; }
  .how-step:hover { border-color: var(--orange); box-shadow: 0 2px 12px rgba(255,153,51,0.10); }
  .how-step-num { width: 32px; height: 32px; background: var(--orange); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 1rem; }
  .how-step h3 { font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
  .how-step p { font-size: 13px; color: var(--text-mid); line-height: 1.7; }

  .works-with { margin-bottom: 3.5rem; }
  .works-with h2 { font-size: 28px; font-weight: 700; margin-bottom: 0.5rem; color: var(--navy); letter-spacing: -0.5px; }
  .works-with .sub { font-size: 16px; color: var(--text-mid); line-height: 1.85; margin-bottom: 1.75rem; max-width: 640px; }
  .works-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .works-card { background: var(--white); border: 1.5px solid var(--border); border-radius: 12px; padding: 1.25rem 1.5rem; transition: border-color 0.15s, box-shadow 0.15s; }
  .works-card:hover { border-color: var(--orange); box-shadow: 0 2px 12px rgba(255,153,51,0.10); }
  .works-card h3 { font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 5px; }
  .works-card p { font-size: 13px; color: var(--text-mid); line-height: 1.7; }

  .managed-section { border-left: 4px solid var(--orange); padding: 2rem 2.5rem; background: var(--bg); margin-bottom: 3.5rem; border-radius: 0 12px 12px 0; }
  .managed-section h2 { font-size: 28px; font-weight: 700; margin-bottom: 0.875rem; color: var(--navy); letter-spacing: -0.5px; }
  .managed-section .managed-intro { font-size: 16px; color: var(--text-mid); line-height: 1.85; margin-bottom: 2rem; max-width: 640px; }
  .managed-items { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
  .managed-item .mi-label { font-size: 13px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
  .managed-item .mi-text { font-size: 13px; color: var(--text-mid); line-height: 1.7; }

  .faq-section { margin-bottom: 3.5rem; }
  .faq-section h2 { font-size: 28px; font-weight: 700; margin-bottom: 1.5rem; color: var(--navy); letter-spacing: -0.5px; }
  .faq-item { border-bottom: 1px solid var(--border); }
  .faq-q { width: 100%; background: none; border: none; text-align: left; padding: 1.1rem 0; font-size: 15px; font-weight: 600; color: var(--navy); cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-family: inherit; gap: 12px; transition: color 0.15s; }
  .faq-q:hover { color: var(--orange); }
  .faq-arrow { color: var(--orange); font-size: 22px; flex-shrink: 0; transition: transform 0.2s; line-height: 1; }
  .faq-a { font-size: 14px; color: var(--text-mid); line-height: 1.85; padding-bottom: 1.1rem; display: none; }
  .faq-item.open .faq-a { display: block; }
  .faq-item.open .faq-arrow { transform: rotate(45deg); }

  .cta-bar { background: var(--orange-dim); border: 1.5px solid var(--orange-border); border-radius: 16px; padding: 2.5rem; text-align: center; }
  .cta-bar h3 { font-size: 22px; font-weight: 700; margin-bottom: 6px; color: var(--navy); letter-spacing: -0.3px; }
  .cta-bar p { font-size: 15px; color: var(--text-mid); margin-bottom: 1.75rem; }
  .cta-btns { display: inline-flex; gap: 10px; flex-wrap: wrap; justify-content: center; }

  @media (max-width: 720px) {
    .gpu-grid { grid-template-columns: 1fr; }
    .how-steps { grid-template-columns: 1fr; }
    .works-grid { grid-template-columns: 1fr; }
    .managed-items { grid-template-columns: 1fr; }
    .hero h1 { font-size: 34px; }
    .cta-bar { text-align: center; }
  }