* { margin: 0; padding: 0; box-sizing: border-box; }
  body { font-family: "Palatino Linotype", "Georgia", serif; color: #3d3a36; background: #fffdf9; line-height: 1.75; }
  .container { max-width: 1100px; margin: 0 auto; padding: 20px; }
  img { max-width: 100%; height: auto; display: block; }

  /* ===== HERO ===== */
  .hero { text-align: center; padding: 0 14px 44px; background: linear-gradient(160deg, #16233c 0%, #1c2d4a 55%, #24395c 100%); color: #f5ead6; border-radius: 0 0 22px 22px; margin-bottom: 48px; }
  .hero .eyebrow { letter-spacing: 4px; text-transform: uppercase; font-size: 13px; color: #d4af6a; margin-bottom: 12px; }
  .hero h1 { font-size: 42px; line-height: 1.2; font-weight: 700; margin-bottom: 14px; }
  .hero h1 span { color: #d4af6a; }
  .hero p { max-width: 720px; margin: 0 auto 26px; font-size: 17px; color: #dcd2bd; }
  .hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
  .hero-tags span { border: 1px solid #d4af6a; color: #f0e2c8; border-radius: 999px; padding: 6px 16px; font-size: 13px; }
  .hero img { display: block; margin: 0 auto 26px; width: 100%; border-radius: 0 0 14px 14px; box-shadow: 0 14px 40px rgba(0,0,0,.35); }

  /* ===== SECTION ===== */
  .section { margin-bottom: 56px; }
  .section-title { text-align: center; font-size: 30px; color: #1c2d4a; margin-bottom: 8px; font-weight: 700; }
  .section-sub { text-align: center; color: #8b8070; max-width: 760px; margin: 0 auto 30px; font-size: 15.5px; }
  .section-title:after { content: ""; display: block; width: 88px; height: 3px; margin: 14px auto 0; background: linear-gradient(90deg, transparent, #c9a227, transparent); border-radius: 2px; }

  /* ===== TYPE CARDS (carousel) ===== */
  .carousel { position: relative; max-width: 980px; margin: 0 auto; overflow: hidden; }
  .car-track { display: flex; transition: transform .55s ease; padding: 0 calc(19% - 10px); }
  .car-slide { flex: 0 0 62%; padding: 0 10px; box-sizing: border-box; }
  .car-card { background: #fff; border: 1px solid #eadfcb; border-radius: 14px; overflow: hidden; }
  .car-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
  .card-body { padding: 16px 18px 18px; }
  .cb-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 6px; }
  .cb-head h4 { font-size: 17px; color: #1c2d4a; }
  .quote-btn { background: #f0761f; color: #fff; font-weight: 700; font-size: 13px; padding: 8px 16px; border-radius: 999px; text-decoration: none; white-space: nowrap; transition: background .2s; }
  .quote-btn:hover { background: #d96610; }
  .card-body p { font-size: 13.5px; color: #7a7062; }
  .view-more { display: inline-block; margin-top: 10px; color: #c9a227; font-weight: 700; font-size: 13px; text-decoration: none; }
  .car-arrow { position: absolute; top: 40%; transform: translateY(-50%); width: 46px; height: 46px; border-radius: 50%; background: #fff; border: 1px solid #d8c9a8; color: #6d5f4f; font-size: 22px; cursor: pointer; z-index: 5; box-shadow: 0 4px 14px rgba(0,0,0,.14); line-height: 1; display: flex; align-items: center; justify-content: center; transition: all .2s; }
  .car-arrow:hover { background: #1c2d4a; color: #f0e2c8; }
  .car-arrow.left { left: 0; }
  .car-arrow.right { right: 0; }
  @media (max-width: 760px) { .car-track { padding: 0; } .car-slide { flex-basis: 100%; } }
  @media (max-width: 900px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 560px) { .card-grid { grid-template-columns: 1fr; } }

  /* ===== PURPOSE TABS ===== */
  .purpose-tabs { display: flex; justify-content: center; gap: 0; margin-bottom: 28px; background: #f2f2f2; border-radius: 10px; padding: 5px; width: fit-content; margin-left: auto; margin-right: auto; }
  .ptab { border: none; background: transparent; color: #777; padding: 10px 32px; border-radius: 8px; font-family: inherit; font-size: 15px; cursor: pointer; transition: all .2s; }
  .ptab.active { background: #fff; color: #e8620c; box-shadow: 0 1px 4px rgba(0,0,0,.12); }
  .purpose-panel { display: none; }
  .purpose-panel.active { display: block; animation: fadeIn .3s ease; }
  @keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
  .purpose-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .purpose-card { position: relative; border-radius: 12px; overflow: hidden; border: 1px solid #e5e5e5; background: #fff; display: flex; flex-direction: column; transition: transform .2s ease, box-shadow .2s ease; }
  .purpose-card:hover { transform: translateY(-3px); box-shadow: 0 8px 22px rgba(0,0,0,.1); }
  .pc-img { position: relative; background: linear-gradient(160deg, #d8d8d8, #f2f2f2); }
  .pc-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
  .pc-txt { padding: 13px 16px 15px; }
  .pc-title-row { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 5px; }
  .pc-title-row h4 { font-size: 16px; color: #333; font-weight: 700; }
  .more-info { color: #999; font-size: 12.5px; text-decoration: none; white-space: nowrap; }
  .more-info:hover { color: #e8620c; }
  .pc-txt p { font-size: 13px; color: #888; line-height: 1.6; }
  @media (max-width: 900px) { .purpose-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 560px) { .purpose-grid { grid-template-columns: 1fr; } }

  /* ===== OPTIONS TABS ===== */
  .opt-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; }
  .otab { border: 1px solid #d8c9a8; background: #fff; color: #6d5f4f; padding: 10px 24px; border-radius: 999px; font-family: inherit; font-size: 14.5px; cursor: pointer; transition: all .2s; }
  .otab.active { background: #c9a227; color: #fff; border-color: #c9a227; }
  .opt-panel { display: none; }
  .opt-panel.active { display: block; animation: fadeIn .3s ease; }
  .opt-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
  .opt-cell { background: #fff; border: 1px solid #eadfcb; border-radius: 12px; overflow: hidden; }
  .opt-cell img { width: 100%; aspect-ratio: 1/1; object-fit: cover; cursor: zoom-in; }
  .opt-cap { padding: 8px 10px; text-align: center; font-size: 13px; color: #5d5343; font-weight: 600; }
  @media (max-width: 900px) { .opt-grid { grid-template-columns: repeat(3, 1fr); } }
  @media (max-width: 560px) { .opt-grid { grid-template-columns: repeat(2, 1fr); } }

  /* ===== STEPS ===== */
  .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .step { background: #fff; border: 1px solid #eadfcb; border-radius: 14px; overflow: hidden; text-align: center; }
  .step img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
  .step .step-num { display: inline-flex; width: 34px; height: 34px; border-radius: 50%; background: #1c2d4a; color: #f0e2c8; align-items: center; justify-content: center; font-weight: 700; margin: 16px auto 8px; }
  .step h4 { font-size: 16.5px; color: #1c2d4a; }
  .step p { font-size: 13.5px; color: #7a7062; padding: 8px 16px 18px; }
  @media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }

  /* ===== TWO COL ===== */
  .two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
  .two-col img { border-radius: 14px; }
  .two-col h3 { font-size: 24px; color: #1c2d4a; margin-bottom: 12px; }
  .two-col p { font-size: 15px; color: #6d6255; margin-bottom: 12px; }
  @media (max-width: 800px) { .two-col { grid-template-columns: 1fr; } }

  /* ===== ADVANTAGE ===== */
  .adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
  .adv-item { background: #f8f3e8; border: 1px solid #eadfcb; border-radius: 14px; padding: 24px 20px; text-align: center; }
  .adv-item .ico { font-size: 26px; margin-bottom: 10px; }
  .adv-item h4 { font-size: 15.5px; color: #1c2d4a; margin-bottom: 6px; }
  .adv-item p { font-size: 13px; color: #7a7062; }
  @media (max-width: 900px) { .adv-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 560px) { .adv-grid { grid-template-columns: 1fr; } }

  /* ===== HISTORY ===== */
  .hist-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .hist-card { background: #fff; border: 1px solid #eadfcb; border-radius: 14px; padding: 0; overflow: hidden; }
  .hist-media { position: relative; }
  .hist-media img { width: 100%; height: auto; display: block; cursor: zoom-in; }
  .hist-txt { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 18px 16px; background: linear-gradient(to top, rgba(10,14,24,.85) 25%, rgba(10,14,24,.45) 65%, rgba(10,14,24,0)); }
  .hist-txt h4 { font-size: 16px; color: #fff; margin-bottom: 6px; }
  .hist-txt p { font-size: 12.5px; color: #e9e2d3; margin-bottom: 0; }
  @media (max-width: 900px) { .hist-grid { grid-template-columns: 1fr; } }

  /* ===== SPEED PLANS ===== */
  .speed-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
  .speed-card { border-radius: 14px; padding: 20px 16px; text-align: center; border: 1px solid #eadfcb; }
  .speed-card.fast { background: #1c2d4a; color: #f0e2c8; }
  .speed-card.std { background: #fff; color: #3d3a36; }
  .speed-card.eco { background: #f8f3e8; color: #3d3a36; }
  .speed-card .s-tag { font-size: 12px; letter-spacing: 1px; text-transform: uppercase; opacity: .8; }
  .speed-card .s-time { font-size: 22px; font-weight: 700; margin: 8px 0 4px; }
  .speed-card .s-save { font-size: 13px; color: #a97f1f; font-weight: 700; margin-bottom: 8px; }
  .speed-card .s-desc { font-size: 12.5px; opacity: .85; }
  @media (max-width: 1000px) { .speed-grid { grid-template-columns: repeat(3, 1fr); } }
  @media (max-width: 640px) { .speed-grid { grid-template-columns: repeat(2, 1fr); } }

  /* ===== GALLERY ===== */
  .gallery-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
  .gallery-grid img { border-radius: 10px; aspect-ratio: 1/1; object-fit: cover; cursor: zoom-in; transition: transform .2s; }
  .gallery-grid img:hover { transform: scale(1.04); }
  @media (max-width: 900px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }
  @media (max-width: 560px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }

  /* ===== FAQ ===== */
  .faq { max-width: 820px; margin: 0 auto; }
  .faq details { background: #fff; border: 1px solid #eadfcb; border-radius: 12px; margin-bottom: 12px; padding: 6px 20px; }
  .faq summary { cursor: pointer; font-size: 15.5px; font-weight: 700; color: #1c2d4a; padding: 12px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary:after { content: "+"; font-size: 20px; color: #c9a227; }
  .faq details[open] summary:after { content: "–"; }
  .faq .faq-body { font-size: 14px; color: #6d6255; padding: 0 0 16px; }

  /* ===== FOOTER ===== */
  .footer-note { text-align: center; font-size: 13px; color: #a89880; border-top: 1px solid #eadfcb; padding-top: 22px; margin-top: 10px; }

  /* ===== LIGHTBOX ===== */
  .lightbox { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.86); z-index: 999; align-items: center; justify-content: center; cursor: zoom-out; }
  .lightbox.show { display: flex; }
  .lightbox img { max-width: 92vw; max-height: 92vh; border-radius: 10px; }