:root {
      --ai-bg: #05060b;
      --ai-panel: #0d1018;
      --ai-panel-2: #121722;
      --ai-line: rgba(255, 255, 255, 0.14);
      --ai-text: #f5f7fb;
      --ai-muted: #aeb5c3;
      --ai-blue: #1e73ff;
      --ai-blue-soft: rgba(30, 115, 255, 0.16);
    }

    body {
      background: var(--ai-bg);
      color: var(--ai-text);
      font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      letter-spacing: 0;
    }

    body.ai-auth-body .auth-main {
      padding-top: 120px;
    }

    .ai-page {
      background: var(--ai-bg);
      color: var(--ai-text);
      overflow: hidden;
      padding-top: 72px;
    }

    .ai-section {
      position: relative;
      padding: 110px 0;
      background: #05060b;
    }

    .ai-section.is-muted {
      background: #080a10;
    }

    .ai-container {
      width: min(1180px, calc(100% - 48px));
      margin: 0 auto;
    }

    .ai-eyebrow {
      display: block;
      margin-bottom: 16px;
      color: #7fb0ff;
      font-size: 0.88rem;
      font-weight: 800;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .ai-title {
      margin: 0;
      color: #fff;
      font-size: clamp(2.25rem, 5vw, 5.3rem);
      line-height: 1.04;
      font-weight: 850;
      letter-spacing: 0;
      word-break: keep-all;
    }

    .ai-section-title {
      max-width: 780px;
      margin: 0;
      color: #fff;
      font-size: clamp(2rem, 3.4vw, 3.9rem);
      line-height: 1.13;
      font-weight: 820;
      letter-spacing: 0;
      word-break: keep-all;
    }

    .ai-lead {
      max-width: 720px;
      margin: 24px 0 0;
      color: var(--ai-muted);
      font-size: clamp(1.05rem, 1.45vw, 1.28rem);
      line-height: 1.8;
      font-weight: 500;
      word-break: keep-all;
    }

    .ai-hero {
      position: relative;
      min-height: 92vh;
      padding: 170px 0 84px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      align-items: stretch;
      background-image:
        linear-gradient(90deg, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.72) 40%, rgba(0, 0, 0, 0.22) 100%),
        linear-gradient(0deg, #05060b 0%, rgba(5, 6, 11, 0) 28%),
        url("hero-overview.jpg");
      background-position: center;
      background-size: cover;
    }

    .ai-hero-inner {
      position: relative;
      z-index: 1;
      max-width: 900px;
    }

    .ai-hero-copy {
      max-width: 760px;
      margin: 26px 0 0;
      color: rgba(255, 255, 255, 0.82);
      font-size: clamp(1.1rem, 1.7vw, 1.5rem);
      line-height: 1.72;
      font-weight: 520;
      word-break: keep-all;
    }

    .ai-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 36px;
    }

    .ai-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 52px;
      padding: 0 24px;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #fff;
      background: rgba(255, 255, 255, 0.08);
      font-size: 1rem;
      font-weight: 760;
      text-decoration: none;
      transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
      white-space: nowrap;
    }

    .ai-btn:hover {
      transform: translateY(-2px);
      color: #fff;
      background: rgba(255, 255, 255, 0.16);
      border-color: rgba(255, 255, 255, 0.42);
      text-decoration: none;
    }

    .ai-btn.is-primary {
      color: #fff;
      border-color: var(--ai-blue);
      background: var(--ai-blue);
    }

    .ai-btn.is-primary:hover {
      background: #0f5ee7;
      border-color: #0f5ee7;
    }

    .ai-hero-stats {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 1px;
      width: min(1180px, calc(100% - 48px));
      margin: 72px auto 0;
      border: 1px solid rgba(255, 255, 255, 0.14);
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(12px);
    }

    .ai-hero-stat {
      min-height: 104px;
      padding: 24px 22px;
      background: rgba(0, 0, 0, 0.42);
    }

    .ai-hero-stat strong {
      display: block;
      color: #fff;
      font-size: clamp(1.55rem, 2.5vw, 2.35rem);
      line-height: 1;
      font-weight: 850;
    }

    .ai-hero-stat span {
      display: block;
      margin-top: 10px;
      color: rgba(255, 255, 255, 0.66);
      font-size: 0.95rem;
      line-height: 1.45;
      word-break: keep-all;
    }

    .ai-two-col {
      display: grid;
      grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
      gap: 56px;
      align-items: center;
    }

    .ai-two-col.is-flipped {
      grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    }

    .ai-check-list {
      display: grid;
      gap: 14px;
      margin: 32px 0 0;
      padding: 0;
      list-style: none;
    }

    .ai-check-list li {
      display: grid;
      grid-template-columns: 28px minmax(0, 1fr);
      gap: 12px;
      align-items: start;
      color: #d8dce5;
      font-size: 1.02rem;
      line-height: 1.62;
      word-break: keep-all;
    }

    .ai-check-list li::before {
      content: "";
      width: 20px;
      height: 20px;
      margin-top: 5px;
      border-radius: 50%;
      background: var(--ai-blue);
      box-shadow: inset 0 0 0 6px #0b1428;
    }

    .ai-shot {
      position: relative;
      overflow: hidden;
      border-radius: 8px;
      border: 1px solid var(--ai-line);
      background: #111;
      box-shadow: 0 24px 80px rgba(0, 0, 0, 0.46);
    }

    .ai-shot img {
      display: block;
      width: 100%;
      height: auto;
    }

    .ai-shot-caption {
      position: absolute;
      left: 18px;
      bottom: 18px;
      padding: 8px 12px;
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: 999px;
      background: rgba(0, 0, 0, 0.56);
      color: rgba(255, 255, 255, 0.82);
      font-size: 0.83rem;
      font-weight: 720;
      backdrop-filter: blur(10px);
    }

    .ai-flow {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
      margin-top: 42px;
    }

    .ai-flow-card {
      min-height: 236px;
      padding: 32px;
      border: 1px solid var(--ai-line);
      border-radius: 8px;
      background: var(--ai-panel);
    }

    .ai-flow-card.is-highlight {
      background: linear-gradient(145deg, #0c1e3f 0%, #0d1018 74%);
      border-color: rgba(30, 115, 255, 0.48);
    }

    .ai-flow-card h3 {
      margin: 0 0 20px;
      color: #fff;
      font-size: 1.35rem;
      font-weight: 820;
      letter-spacing: 0;
    }

    .ai-step-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
      counter-reset: ai-step;
    }

    .ai-step-list li {
      counter-increment: ai-step;
      display: flex;
      gap: 12px;
      align-items: center;
      color: var(--ai-muted);
      font-size: 0.98rem;
      line-height: 1.45;
      word-break: keep-all;
    }

    .ai-step-list li::before {
      content: counter(ai-step);
      flex: 0 0 26px;
      width: 26px;
      height: 26px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      color: #fff;
      background: rgba(255, 255, 255, 0.12);
      font-size: 0.82rem;
      font-weight: 800;
    }

    .ai-feature-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
      margin-top: 46px;
    }

    .ai-feature-card {
      min-height: 254px;
      padding: 28px;
      border: 1px solid var(--ai-line);
      border-radius: 8px;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.018));
    }

    .ai-feature-card strong {
      display: block;
      color: #fff;
      font-size: 1.25rem;
      line-height: 1.35;
      font-weight: 830;
      letter-spacing: 0;
      word-break: keep-all;
    }

    .ai-feature-card p {
      margin: 16px 0 0;
      color: var(--ai-muted);
      font-size: 0.98rem;
      line-height: 1.68;
      word-break: keep-all;
    }

    .ai-feature-tag {
      display: inline-flex;
      align-items: center;
      margin-bottom: 22px;
      padding: 7px 10px;
      border-radius: 999px;
      color: #8db8ff;
      background: var(--ai-blue-soft);
      font-size: 0.78rem;
      font-weight: 820;
    }

    .ai-showcase-grid {
      display: grid;
      grid-template-columns: repeat(12, minmax(0, 1fr));
      gap: 18px;
      margin-top: 48px;
    }

    .ai-showcase-grid .ai-shot {
      grid-column: span 6;
    }

    .ai-showcase-grid .ai-shot.is-wide {
      grid-column: span 12;
    }

    .ai-showcase-grid .ai-shot img {
      height: 100%;
      object-fit: cover;
    }

    .ai-band {
      padding: 56px 0;
      border-top: 1px solid var(--ai-line);
      border-bottom: 1px solid var(--ai-line);
      background: linear-gradient(90deg, #0a0d15, #0b1730 52%, #070910);
    }

    .ai-band-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 1px;
      border: 1px solid var(--ai-line);
      background: rgba(255, 255, 255, 0.12);
    }

    .ai-band-item {
      padding: 28px 24px;
      background: rgba(0, 0, 0, 0.34);
    }

    .ai-band-item strong {
      display: block;
      color: #fff;
      font-size: 1.22rem;
      font-weight: 830;
    }

    .ai-band-item span {
      display: block;
      margin-top: 10px;
      color: rgba(255, 255, 255, 0.64);
      font-size: 0.95rem;
      line-height: 1.5;
      word-break: keep-all;
    }

    .ai-tool-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
      margin-top: 34px;
    }

    .ai-tool {
      min-height: 84px;
      padding: 18px;
      border: 1px solid var(--ai-line);
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.045);
      color: #d9deea;
      font-size: 0.96rem;
      font-weight: 720;
      line-height: 1.45;
      word-break: keep-all;
    }

    .ai-pricing-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
      margin-top: 44px;
    }

    .ai-price-card {
      min-height: 290px;
      padding: 30px 24px;
      border: 1px solid var(--ai-line);
      border-radius: 8px;
      background: var(--ai-panel);
    }

    .ai-price-card.is-enterprise {
      background: linear-gradient(145deg, #0b1d3a, #0e1118);
      border-color: rgba(30, 115, 255, 0.46);
    }

    .ai-price-card h3 {
      margin: 0;
      color: #fff;
      font-size: 1.22rem;
      font-weight: 830;
      letter-spacing: 0;
      word-break: keep-all;
    }

    .ai-price {
      margin-top: 22px;
      color: #fff;
      font-size: 2.3rem;
      font-weight: 860;
      letter-spacing: 0;
    }

    .ai-price small {
      color: var(--ai-muted);
      font-size: 0.96rem;
      font-weight: 650;
    }

.ai-price-card p {
  margin: 18px 0 0;
  color: var(--ai-muted);
  font-size: 0.96rem;
  line-height: 1.62;
  word-break: keep-all;
}

.ai-pricing-policy {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--ai-line);
}

.ai-pricing-policy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.92rem;
  line-height: 1.62;
  word-break: keep-all;
}

    .ai-rollout {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
      margin-top: 42px;
    }

    .ai-rollout-step {
      padding: 26px 22px;
      border: 1px solid var(--ai-line);
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.042);
    }

    .ai-rollout-step b {
      display: block;
      color: #7fb0ff;
      font-size: 0.85rem;
      font-weight: 850;
    }

    .ai-rollout-step strong {
      display: block;
      margin-top: 12px;
      color: #fff;
      font-size: 1.12rem;
      font-weight: 820;
    }

    .ai-rollout-step span {
      display: block;
      margin-top: 12px;
      color: var(--ai-muted);
      font-size: 0.95rem;
      line-height: 1.58;
      word-break: keep-all;
    }

    .ai-final {
      position: relative;
      padding: 118px 0;
      background-image:
        linear-gradient(90deg, rgba(0, 0, 0, 0.96) 0%, rgba(0, 0, 0, 0.78) 52%, rgba(0, 0, 0, 0.38) 100%),
        url("contact-final.jpg");
      background-position: center;
      background-size: cover;
    }

    .ai-final-box {
      max-width: 760px;
    }

    .ai-contact {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-top: 34px;
    }

    .ai-contact a,
    .ai-contact span {
      display: block;
      padding: 18px 20px;
      border: 1px solid var(--ai-line);
      border-radius: 8px;
      color: #fff;
      background: rgba(255, 255, 255, 0.07);
      text-decoration: none;
      font-weight: 760;
    }

    .ai-contact small {
      display: block;
      margin-bottom: 6px;
      color: var(--ai-muted);
      font-size: 0.82rem;
      font-weight: 700;
    }

    @media (max-width: 991.98px) {
      .ai-section {
        padding: 82px 0;
      }

      .ai-container {
        width: min(100% - 32px, 720px);
      }

      .ai-hero {
        min-height: auto;
        padding: 138px 0 64px;
        background-position: 60% center;
      }

      .ai-hero-stats,
      .ai-two-col,
      .ai-two-col.is-flipped,
      .ai-flow,
      .ai-feature-grid,
      .ai-band-grid,
      .ai-pricing-grid,
      .ai-pricing-policy,
      .ai-rollout {
        grid-template-columns: 1fr 1fr;
      }

      .ai-two-col,
      .ai-two-col.is-flipped {
        gap: 34px;
      }

      .ai-showcase-grid .ai-shot,
      .ai-showcase-grid .ai-shot.is-wide {
        grid-column: span 12;
      }

      .ai-tool-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 575.98px) {
      .ai-section {
        padding: 68px 0;
      }

      .ai-container {
        width: calc(100% - 28px);
      }

      .ai-hero {
        padding: 120px 0 50px;
        background-image:
          linear-gradient(90deg, rgba(0, 0, 0, 0.94) 0%, rgba(0, 0, 0, 0.78) 70%, rgba(0, 0, 0, 0.58) 100%),
          linear-gradient(0deg, #05060b 0%, rgba(5, 6, 11, 0) 34%),
          url("hero-overview.jpg");
      }

      .ai-title {
        font-size: clamp(2.05rem, 10vw, 2.85rem);
      }

      .ai-section-title {
        font-size: clamp(1.82rem, 9vw, 2.7rem);
      }

      .ai-actions {
        display: grid;
      }

      .ai-btn {
        width: 100%;
      }

      .ai-hero-stats,
      .ai-two-col,
      .ai-two-col.is-flipped,
      .ai-flow,
      .ai-feature-grid,
      .ai-band-grid,
      .ai-pricing-grid,
      .ai-rollout,
      .ai-pricing-policy,
      .ai-tool-grid,
      .ai-contact {
        grid-template-columns: 1fr;
      }

      .ai-hero-stats {
        width: calc(100% - 28px);
        margin-top: 44px;
      }

      .ai-hero-stat {
        min-height: auto;
        padding: 20px;
      }

      .ai-feature-card,
      .ai-flow-card,
      .ai-price-card {
        min-height: auto;
      }

      .ai-two-col.is-flipped > .ai-shot {
        order: 2;
      }

      .ai-two-col.is-flipped > div {
        order: 1;
      }

      .ai-shot-caption {
        position: static;
        display: block;
        border-radius: 0;
        border-width: 1px 0 0;
        background: #0d1018;
      }

      .ai-final {
        padding: 86px 0;
      }
    }

.ai-site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1200;
  min-height: 72px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.32);
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.ai-site-header-inner {
  width: 100%;
  min-height: 71px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 250px minmax(760px, 860px) 1fr auto;
  gap: 0;
  align-items: center;
}

.ai-site-logo {
  display: inline-flex;
  align-items: center;
  width: 222px;
  min-width: 222px;
}

.ai-site-logo img {
  display: block;
  width: 222px;
  height: 34px;
  object-fit: contain;
}

.ai-site-nav {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 16px;
  gap: 0;
  background: transparent;
}

.ai-site-nav > a,
.ai-site-nav-trigger {
  flex: 1 1 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 16px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s ease, background 0.18s ease;
}

.ai-site-nav-trigger {
  width: 100%;
  border: 0;
  outline: none;
  appearance: none;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
}

.ai-site-nav-trigger:focus,
.ai-site-nav-trigger:focus-visible {
  outline: none;
  box-shadow: none;
}

.ai-site-nav > a:hover,
.ai-site-nav > a.is-active,
.ai-site-nav-dropdown:hover > .ai-site-nav-trigger,
.ai-site-nav-dropdown:focus-within > .ai-site-nav-trigger {
  color: #fff;
  background: transparent;
  text-decoration: none;
}

.ai-site-nav > a.ai-site-download-link {
  flex: 0 0 auto;
  min-height: 38px;
  margin-left: 10px;
  padding: 0 18px;
  border-radius: 999px;
  color: #fff !important;
  background: var(--ai-blue);
  font-size: 14px;
  font-weight: 850;
  box-shadow: 0 0 0 1px rgba(30, 115, 255, 0.46), 0 8px 24px rgba(30, 115, 255, 0.34);
  transition: color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.ai-site-nav > a.ai-site-download-link:hover,
.ai-site-nav > a.ai-site-download-link:focus-visible {
  color: #fff !important;
  background: #0f5ee7;
  box-shadow: 0 0 0 1px rgba(127, 176, 255, 0.72), 0 10px 28px rgba(30, 115, 255, 0.48);
  transform: translateY(-1px);
}

.ai-site-nav-dropdown {
  position: relative;
  flex: 1 1 auto;
  display: flex;
  align-items: stretch;
}

.ai-site-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  z-index: 1300;
  display: grid;
  grid-template-columns: 1.45fr 1fr 1fr;
  gap: 14px;
  width: min(760px, calc(100vw - 48px));
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-top: 2px solid var(--ai-blue);
  background: rgba(3, 5, 10, 0.98);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.42);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
}

.ai-site-nav-dropdown:hover .ai-site-dropdown,
.ai-site-nav-dropdown:focus-within .ai-site-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.ai-site-dropdown-group {
  min-width: 0;
  padding: 16px 16px 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.045);
}

.ai-site-dropdown-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(30, 115, 255, 0.48);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
}

.ai-site-dropdown-title::before {
  content: "";
  flex: 0 0 auto;
  width: 4px;
  height: 14px;
  background: var(--ai-blue);
}

.ai-site-dropdown a {
  display: flex;
  align-items: center;
  min-height: 36px;
  padding: 8px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.25;
  text-decoration: none;
  word-break: keep-all;
  transition: color 0.16s ease, background 0.16s ease, border-color 0.16s ease;
}

.ai-site-dropdown a:last-child {
  border-bottom: 0;
}

.ai-site-dropdown a:hover,
.ai-site-dropdown a:focus-visible {
  color: #fff;
  background: rgba(30, 115, 255, 0.18);
  border-color: rgba(30, 115, 255, 0.28);
  text-decoration: none;
}

.ai-site-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 28px;
  margin-right: 22px;
}

.ai-site-auth-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  min-width: 0;
}

.ai-site-login,
.ai-site-signup,
.ai-site-member,
.ai-site-token,
.ai-site-logout {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.ai-site-login:hover,
.ai-site-signup:hover,
.ai-site-member:hover,
.ai-site-token:hover {
  color: #fff;
  text-decoration: none;
}

.ai-site-token {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.82);
}

.ai-site-token strong {
  color: #fff;
  font-weight: 850;
}

.ai-site-logout {
  border: 0;
  appearance: none;
  background: transparent;
  padding: 0;
  cursor: pointer;
  font-family: inherit;
}

.ai-site-logout:hover {
  color: #7fb0ff;
}

.ai-site-logout:disabled {
  cursor: default;
  opacity: 0.6;
}

.ai-site-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 228px;
  min-height: 42px;
  padding: 0 20px;
  border-radius: 999px;
  color: #171717 !important;
  background: #fff;
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.16);
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.ai-site-cta:hover {
  transform: none;
  color: #fff !important;
  background: var(--ai-blue);
  text-decoration: none;
}

.ai-page-hero {
  position: relative;
  min-height: 58vh;
  padding: 172px 0 84px;
  display: flex;
  align-items: flex-end;
  background: #05060b;
  overflow: hidden;
}

.ai-page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(0, 0, 0, 0.94) 0%, rgba(0, 0, 0, 0.76) 48%, rgba(0, 0, 0, 0.32) 100%),
    var(--ai-hero-image);
  background-position: center;
  background-size: cover;
  opacity: 0.92;
}

.ai-page-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 32%;
  background: linear-gradient(0deg, #05060b 0%, rgba(5, 6, 11, 0) 100%);
}

.ai-page-hero .ai-container {
  position: relative;
  z-index: 1;
}

.ai-download-hero {
  min-height: 64vh;
}

.ai-download-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 48px;
  align-items: center;
  padding: 42px;
  border: 1px solid var(--ai-line);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.07), rgba(30, 115, 255, 0.09));
}

.ai-download-card {
  display: grid;
  gap: 14px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.36);
}

.ai-download-card strong {
  color: #fff;
  font-size: 1.35rem;
  font-weight: 850;
}

.ai-download-card span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.98rem;
  line-height: 1.55;
  word-break: keep-all;
}

.ai-download-card .ai-btn {
  width: 100%;
}

.ai-link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 42px;
}

.ai-link-card {
  display: block;
  min-height: 210px;
  padding: 28px;
  border: 1px solid var(--ai-line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  color: #fff;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.ai-link-card:hover {
  transform: translateY(-3px);
  color: #fff;
  border-color: rgba(30, 115, 255, 0.58);
  background: linear-gradient(180deg, rgba(30,115,255,0.16), rgba(255,255,255,0.025));
  text-decoration: none;
}

.ai-link-card strong {
  display: block;
  font-size: 1.28rem;
  line-height: 1.38;
  font-weight: 840;
  letter-spacing: 0;
  word-break: keep-all;
}

  .ai-link-card span {
    display: block;
    margin-top: 14px;
    color: var(--ai-muted);
    font-size: 0.98rem;
  line-height: 1.62;
  word-break: keep-all;
}

.ai-mini-note {
  margin-top: 20px;
  color: rgba(255,255,255,0.52);
  font-size: 0.92rem;
  line-height: 1.6;
  word-break: keep-all;
}

@media (max-width: 1399.98px) and (min-width: 992px) {
  .ai-site-header-inner {
    grid-template-columns: 240px minmax(660px, 740px) 1fr auto;
  }

  .ai-site-nav > a,
  .ai-site-nav-trigger,
  .ai-site-login,
  .ai-site-signup,
  .ai-site-member,
  .ai-site-token,
  .ai-site-logout,
  .ai-site-cta {
    font-size: 15px;
  }

  .ai-site-nav > a,
  .ai-site-nav-trigger {
    padding-left: 13px;
    padding-right: 13px;
  }

  .ai-site-nav > a.ai-site-download-link {
    min-height: 36px;
    padding-left: 14px;
    padding-right: 14px;
    font-size: 13px;
  }

  .ai-site-actions {
    gap: 28px;
    margin-right: 16px;
  }

  .ai-site-auth-links {
    gap: 13px;
  }

  .ai-site-cta {
    min-width: 212px;
    padding-left: 18px;
    padding-right: 18px;
  }
}

@media (max-width: 1199.98px) and (min-width: 992px) {
  .ai-site-header-inner {
    grid-template-columns: 226px minmax(0, 1fr) auto;
  }

  .ai-site-nav {
    padding-left: 12px;
    padding-right: 12px;
  }

  .ai-site-nav > a,
  .ai-site-nav-trigger,
  .ai-site-login,
  .ai-site-signup,
  .ai-site-member,
  .ai-site-token,
  .ai-site-logout,
  .ai-site-cta {
    font-size: 13px;
  }

  .ai-site-nav > a,
  .ai-site-nav-trigger {
    padding-left: 10px;
    padding-right: 10px;
  }

  .ai-site-nav > a.ai-site-download-link {
    min-height: 34px;
    margin-left: 6px;
    padding-left: 12px;
    padding-right: 12px;
    font-size: 12px;
  }

  .ai-site-actions {
    gap: 16px;
    margin-right: 0;
  }

  .ai-site-auth-links {
    gap: 10px;
  }

  .ai-site-cta {
    min-width: 190px;
    padding-left: 14px;
    padding-right: 14px;
  }

  .ai-site-dropdown {
    position: fixed;
    top: 72px;
    left: 24px;
    right: 24px;
    width: auto;
    transform: translateY(8px);
  }

  .ai-site-nav-dropdown:hover .ai-site-dropdown,
  .ai-site-nav-dropdown:focus-within .ai-site-dropdown {
    transform: translateY(0);
  }
}

@media (max-width: 991.98px) {
  .ai-page {
    padding-top: 114px;
  }

  body.ai-auth-body .auth-main {
    padding-top: 146px;
  }

  .ai-site-header {
    min-height: 115px;
  }

  .ai-site-header-inner {
    min-height: 114px;
    padding: 0 14px;
    grid-template-columns: 1fr auto;
    grid-template-rows: 64px 50px;
    grid-template-areas:
      "logo actions"
      "nav nav";
    gap: 0 14px;
  }

  .ai-site-logo {
    grid-area: logo;
    width: 222px;
    min-width: 222px;
  }

  .ai-site-nav {
    position: static;
    grid-area: nav;
    min-height: 50px;
    margin: 0 -14px;
    padding: 0 14px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .ai-site-nav::-webkit-scrollbar {
    display: none;
  }

  .ai-site-nav > a,
  .ai-site-nav-trigger {
    flex: 0 0 auto;
    min-width: max-content;
    min-height: 50px;
    padding: 0 18px;
    font-size: 16px;
  }

  .ai-site-nav > a.ai-site-download-link {
    min-height: 38px;
    margin-left: 10px;
    padding: 0 16px;
    font-size: 14px;
  }

  .ai-site-nav-dropdown {
    flex: 0 0 auto;
  }

  .ai-site-dropdown {
    position: fixed;
    top: 114px;
    left: 14px;
    right: 14px;
    width: auto;
    max-height: calc(100vh - 132px);
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 14px;
    overflow-y: auto;
    transform: translateY(8px);
  }

  .ai-site-dropdown-group {
    padding: 14px;
  }

  .ai-site-dropdown-title {
    margin-bottom: 6px;
    padding-bottom: 10px;
    font-size: 14px;
  }

  .ai-site-dropdown a {
    min-height: 40px;
    padding: 9px 10px;
    font-size: 14px;
  }

  .ai-site-nav-dropdown:hover .ai-site-dropdown,
  .ai-site-nav-dropdown:focus-within .ai-site-dropdown {
    transform: translateY(0);
  }

  .ai-site-actions {
    grid-area: actions;
    gap: 14px;
  }

  .ai-site-auth-links {
    gap: 12px;
  }

  .ai-site-login,
  .ai-site-signup,
  .ai-site-member,
  .ai-site-token,
  .ai-site-logout {
    font-size: 16px;
  }

  .ai-site-cta {
    min-width: 0;
    min-height: 42px;
    padding: 0 18px;
    font-size: 15px;
  }

  .ai-page-hero {
    min-height: auto;
    padding: 100px 0 66px;
  }

  .ai-link-grid {
    grid-template-columns: 1fr;
  }

  .ai-download-panel {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 28px;
  }
}

@media (max-width: 575.98px) {
  .ai-page {
    padding-top: 112px;
  }

  body.ai-auth-body .auth-main {
    padding-top: 144px;
  }

  .ai-site-header {
    min-height: 113px;
  }

  .ai-site-header-inner {
    min-height: 112px;
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-rows: 64px 48px;
    grid-template-areas:
      "logo auth"
      "nav nav";
    padding: 0 14px;
    gap: 0 8px;
  }

  .ai-site-logo {
    width: 180px;
    min-width: 180px;
  }

  .ai-site-logo img {
    width: 180px;
    height: auto;
  }

  .ai-site-actions {
    display: contents;
  }

  .ai-site-auth-links {
    grid-area: auth;
    min-width: 0;
    width: 100%;
    min-height: 64px;
    align-self: center;
    justify-content: flex-end;
    gap: 9px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .ai-site-auth-links::-webkit-scrollbar {
    display: none;
  }

  .ai-site-login,
  .ai-site-signup,
  .ai-site-member,
  .ai-site-token,
  .ai-site-logout {
    font-size: 12px;
  }

  .ai-site-token {
    gap: 4px;
  }

  .ai-site-cta {
    grid-area: actions;
    justify-self: end;
    display: none;
    max-width: calc(100vw - 216px);
    min-height: 42px;
    padding: 0 10px;
    font-size: 12px;
    line-height: 1.15;
    text-align: center;
    white-space: normal;
  }

  .ai-site-nav {
    grid-area: nav;
    min-height: 54px;
    margin: 0 -14px;
    padding: 0 14px;
  }

  .ai-site-nav > a,
  .ai-site-nav-trigger {
    min-height: 54px;
    padding: 0 10px;
    font-size: 15px;
  }

  .ai-site-nav > a.ai-site-download-link {
    min-height: 38px;
    margin-left: 8px;
    padding: 0 14px;
    font-size: 13px;
  }

  .ai-site-dropdown {
    top: 112px;
  }

  .ai-page-hero {
    padding: 68px 0 54px;
  }
}

@media (max-width: 359.98px) {
  .ai-site-logo {
    width: 160px;
    min-width: 160px;
  }

  .ai-site-logo img {
    width: 160px;
  }

  .ai-site-cta {
    max-width: calc(100vw - 194px);
    font-size: 11px;
  }
}

.ai-site-nav-trigger.is-active {
  color: #fff;
}

.ai-content-page {
  min-height: 100vh;
}

.ai-content-hero {
  position: relative;
  padding: 94px 0 34px;
  background:
    linear-gradient(180deg, rgba(30, 115, 255, 0.16), rgba(5, 6, 11, 0) 58%),
    #05060b;
}

.ai-content-hero .ai-title {
  max-width: 820px;
  font-size: clamp(2.15rem, 4.5vw, 4.4rem);
}

.ai-content-hero .ai-hero-copy {
  max-width: 760px;
}

.ai-content-tool {
  padding: 34px 0 104px;
  background: #05060b;
}

.ai-content-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px 118px;
  gap: 10px;
  align-items: center;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
}

.ai-content-input,
.ai-content-select {
  width: 100%;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.52);
  color: #fff;
  font: inherit;
  font-size: 15px;
  font-weight: 650;
  outline: none;
}

.ai-content-input {
  padding: 0 16px;
}

.ai-content-input::placeholder {
  color: rgba(255, 255, 255, 0.42);
}

.ai-content-select {
  padding: 0 12px;
}

.ai-content-input:focus,
.ai-content-select:focus {
  border-color: rgba(30, 115, 255, 0.8);
  box-shadow: 0 0 0 3px rgba(30, 115, 255, 0.18);
}

.ai-content-submit,
.ai-content-more,
.ai-content-download {
  border: 0;
  appearance: none;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.ai-content-submit {
  height: 48px;
  border-radius: 6px;
  color: #fff;
  background: var(--ai-blue);
  font-size: 15px;
  font-weight: 820;
}

.ai-content-submit:hover {
  background: #0f5ee7;
}

.ai-content-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.ai-content-chip {
  height: 34px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.06);
  font-family: inherit;
  font-size: 13px;
  font-weight: 760;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.ai-content-chip:hover {
  color: #fff;
  border-color: rgba(30, 115, 255, 0.54);
  background: rgba(30, 115, 255, 0.16);
}

.ai-content-auth {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 18px;
  padding: 13px 16px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.035);
  font-size: 14px;
  font-weight: 650;
}

.ai-content-auth.is-ready {
  border-color: rgba(30, 115, 255, 0.38);
  color: #dfeaff;
  background: rgba(30, 115, 255, 0.1);
}

.ai-content-auth.is-warning {
  border-color: rgba(255, 255, 255, 0.22);
}

.ai-content-auth a {
  flex: 0 0 auto;
  color: #fff;
  font-weight: 820;
  text-decoration: none;
}

.ai-content-auth a:hover {
  color: #7fb0ff;
  text-decoration: none;
}

.ai-content-status {
  min-height: 26px;
  margin: 22px 0 14px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
  font-weight: 700;
}

.ai-content-status.is-error {
  color: #ff9b9b;
}

.ai-content-status.is-success {
  color: #8fd3a5;
}

.ai-content-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.ai-content-card {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
}

.ai-content-thumb {
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 4 / 3;
  background:
    linear-gradient(45deg, rgba(255,255,255,0.035) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,0.035) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.035) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.035) 75%),
    #090b12;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  background-size: 16px 16px;
}

.ai-content-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

body[data-content-kind="image"] .ai-content-thumb img {
  object-fit: cover;
}

.ai-content-no-thumb {
  color: rgba(255, 255, 255, 0.42);
  font-size: 13px;
  font-weight: 720;
}

.ai-content-card-body {
  display: grid;
  gap: 9px;
  padding: 14px;
}

.ai-content-card-body strong {
  min-height: 42px;
  color: #fff;
  font-size: 15px;
  line-height: 1.4;
  font-weight: 820;
  word-break: keep-all;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ai-content-meta {
  color: rgba(255, 255, 255, 0.56);
  font-size: 13px;
  font-weight: 700;
}

.ai-content-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border-radius: 6px;
  color: #fff;
  background: rgba(30, 115, 255, 0.9);
  font-size: 14px;
  font-weight: 820;
}

.ai-content-download:hover:not(:disabled) {
  background: #fff;
  color: #0a0d14;
}

.ai-content-download:disabled {
  cursor: default;
  opacity: 0.62;
}

.ai-content-empty {
  grid-column: 1 / -1;
  display: grid;
  place-items: center;
  min-height: 220px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.56);
  background: rgba(255, 255, 255, 0.035);
  font-size: 15px;
  font-weight: 720;
}

.ai-content-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 30px;
}

.ai-content-more {
  min-width: 176px;
  min-height: 46px;
  padding: 0 24px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
  font-size: 15px;
  font-weight: 820;
}

.ai-content-more:hover {
  border-color: rgba(30, 115, 255, 0.58);
  background: rgba(30, 115, 255, 0.16);
}

@media (max-width: 1199.98px) {
  .ai-content-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 991.98px) {
  .ai-content-hero {
    padding-top: 62px;
  }

  .ai-content-toolbar {
    grid-template-columns: minmax(0, 1fr) 150px 102px;
  }

  .ai-content-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 575.98px) {
  .ai-content-hero {
    padding: 48px 0 24px;
  }

  .ai-content-tool {
    padding-bottom: 72px;
  }

  .ai-content-toolbar {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .ai-content-auth {
    display: grid;
    align-items: start;
  }

  .ai-content-grid {
    grid-template-columns: 1fr;
  }

  .ai-content-card {
    display: grid;
    grid-template-columns: 42% minmax(0, 1fr);
  }

  .ai-content-thumb {
    height: 100%;
    min-height: 164px;
    aspect-ratio: auto;
  }
}