:root {
      --atlas4-ink: #16201c;
      --atlas4-muted: #68756e;
      --atlas4-paper: #f8f3e8;
      --atlas4-panel: #fffaf0;
      --atlas4-line: rgba(22, 32, 28, .14);
      --atlas4-deep: #08392f;
      --atlas4-accent: #df6b2d;
      --atlas4-accent-2: #1c8c78;
      --atlas4-blue: #315d8d;
      --atlas4-shadow: 0 24px 70px rgba(23, 45, 38, .16);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      overflow-x: hidden;
    }

    body.atlas4-page {
      margin: 0;
      min-width: 320px;
      overflow-x: hidden;
      color: var(--atlas4-ink);
      font-family: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      background:
        radial-gradient(circle at 8% 4%, rgba(223, 107, 45, .18), transparent 27rem),
        radial-gradient(circle at 90% 18%, rgba(28, 140, 120, .16), transparent 32rem),
        linear-gradient(180deg, #fbf7ee 0%, var(--atlas4-paper) 42%, #eef6f1 100%);
    }

    body.atlas4-page::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -1;
      opacity: .38;
      background-image:
        linear-gradient(rgba(22, 32, 28, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(22, 32, 28, .045) 1px, transparent 1px);
      background-size: 44px 44px;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      display: block;
      max-width: 100%;
    }

    .atlas4-wrap {
      width: min(1160px, calc(100% - 40px));
      margin: 0 auto;
    }

    .atlas4-topbar {
      position: sticky;
      top: 0;
      z-index: 20;
      border-bottom: 1px solid rgba(22, 32, 28, .1);
      background: rgba(248, 243, 232, .86);
      backdrop-filter: blur(16px);
    }

    .atlas4-topbar .atlas4-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      min-height: 74px;
    }

    .atlas4-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      letter-spacing: -.04em;
      white-space: nowrap;
    }

    .atlas4-brand span:first-child {
      display: grid;
      width: 42px;
      height: 42px;
      place-items: center;
      border-radius: 50%;
      color: #fff;
      background: conic-gradient(from 130deg, var(--atlas4-deep), var(--atlas4-accent), var(--atlas4-accent-2), var(--atlas4-deep));
      box-shadow: 0 12px 28px rgba(8, 57, 47, .22);
    }

    .atlas4-brand span:last-child {
      font-size: 24px;
    }

    .atlas4-menu {
      display: flex;
      align-items: center;
      gap: 8px;
      color: #33443c;
      font-size: 14px;
      font-weight: 700;
    }

    .atlas4-menu a {
      padding: 10px 13px;
      border-radius: 999px;
    }

    .atlas4-menu a:hover {
      color: #fff;
      background: var(--atlas4-deep);
    }

    .atlas4-cover {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
      gap: 54px;
      align-items: center;
      padding: 82px 0 68px;
    }

    .atlas4-cover::after {
      content: "";
      position: absolute;
      right: min(0px, -2vw);
      bottom: 28px;
      width: 260px;
      height: 260px;
      border: 1px solid rgba(22, 32, 28, .16);
      border-radius: 50%;
      pointer-events: none;
    }

    .atlas4-number {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 24px;
      color: var(--atlas4-deep);
      font-size: 13px;
      font-weight: 900;
      letter-spacing: .16em;
    }

    .atlas4-number::before {
      content: "";
      width: 54px;
      height: 2px;
      background: var(--atlas4-accent);
    }

    .atlas4-title {
      margin: 0;
      font-size: clamp(24px, 4vw, 48px);
      line-height: .92;
      letter-spacing: -.08em;
      font-weight: 950;
      font-family: "Source Han Serif SC", "Songti SC", "SimSun", serif;
    }

    .atlas4-title em {
      display: block;
      color: transparent;
      font-style: normal;
      -webkit-text-stroke: 1.5px rgba(22, 32, 28, .72);
    }

    .atlas4-lead {
      max-width: 560px;
      margin: 26px 0 0;
      color: #405047;
      font-size: 18px;
      line-height: 1.95;
      font-weight: 600;
    }

    .atlas4-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 34px;
    }

    .atlas4-button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 52px;
      padding: 0 24px;
      border: 1px solid var(--atlas4-line);
      border-radius: 0;
      font-weight: 900;
      box-shadow: 8px 8px 0 rgba(22, 32, 28, .08);
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .atlas4-button:hover {
      transform: translate(-2px, -2px);
      box-shadow: 12px 12px 0 rgba(22, 32, 28, .1);
    }

    .atlas4-button[data-tone="solid"] {
      color: #fff;
      border-color: var(--atlas4-deep);
      background: var(--atlas4-deep);
    }

    .atlas4-button[data-tone="line"] {
      color: var(--atlas4-deep);
      background: #fffaf0;
    }

    .atlas4-collage {
      position: relative;
      min-height: 560px;
      isolation: isolate;
    }

    .atlas4-photo {
      position: absolute;
      overflow: hidden;
      border: 10px solid #fffaf0;
      background: #dce8e1;
      box-shadow: var(--atlas4-shadow);
    }

    .atlas4-photo::after {
      content: attr(data-label);
      position: absolute;
      left: 16px;
      bottom: 16px;
      padding: 8px 12px;
      color: #fff;
      border-radius: 999px;
      background: rgba(8, 57, 47, .78);
      font-size: 13px;
      font-weight: 900;
      backdrop-filter: blur(10px);
    }

    .atlas4-photo img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .atlas4-photo[data-size="large"] {
      top: 0;
      right: 0;
      width: min(78%, 520px);
      height: 370px;
      border-radius: 34px 34px 4px 34px;
    }

    .atlas4-photo[data-size="small"] {
      left: 4%;
      bottom: 72px;
      width: 46%;
      height: 270px;
      border-radius: 4px 30px 30px 30px;
      z-index: 2;
    }

    .atlas4-note {
      position: absolute;
      right: 8%;
      bottom: 24px;
      width: min(280px, 48%);
      padding: 24px;
      color: #fff;
      background: var(--atlas4-accent);
      box-shadow: 14px 14px 0 rgba(8, 57, 47, .16);
      z-index: 3;
    }

    .atlas4-note strong {
      display: block;
      margin-bottom: 8px;
      font-size: 36px;
      line-height: 1;
      font-family: Georgia, serif;
    }

    .atlas4-note span {
      display: block;
      font-size: 15px;
      line-height: 1.75;
      font-weight: 800;
    }

    .atlas4-strip {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 0;
      overflow: hidden;
      border: 1px solid var(--atlas4-line);
      background: var(--atlas4-deep);
      box-shadow: var(--atlas4-shadow);
    }

    .atlas4-strip-text {
      padding: clamp(28px, 5vw, 56px);
      color: #fff;
    }

    .atlas4-section-name {
      margin: 0 0 14px;
      color: var(--atlas4-accent);
      font-size: 13px;
      font-weight: 950;
      letter-spacing: .18em;
      text-transform: uppercase;
    }

    .atlas4-heading {
      margin: 0;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.08;
      letter-spacing: -.06em;
      font-family: "Source Han Serif SC", "Songti SC", "SimSun", serif;
      font-weight: 950;
    }

    .atlas4-copy {
      margin: 18px 0 0;
      color: rgba(255, 255, 255, .78);
      font-size: 17px;
      line-height: 1.9;
      font-weight: 600;
    }

    .atlas4-ledger {
      display: grid;
      background: #fffaf0;
    }

    .atlas4-ledger a {
      display: grid;
      grid-template-columns: 78px 1fr auto;
      gap: 20px;
      align-items: center;
      min-height: 104px;
      padding: 22px 26px;
      border-bottom: 1px solid var(--atlas4-line);
    }

    .atlas4-ledger a:last-child {
      border-bottom: 0;
    }

    .atlas4-ledger b {
      display: grid;
      width: 58px;
      height: 58px;
      place-items: center;
      color: #fff;
      border-radius: 50%;
      background: var(--atlas4-deep);
      font-size: 22px;
    }

    .atlas4-ledger strong {
      display: block;
      margin-bottom: 6px;
      font-size: 21px;
      letter-spacing: -.02em;
    }

    .atlas4-ledger span {
      display: block;
      color: var(--atlas4-);
      line-height: 1.65;
      font-weight: 700;
    }

    .atlas4-ledger i {
      color: var(--atlas4-accent);
      font-style: normal;
      font-size: 28px;
      font-weight: 900;
    }

    .atlas4-workbench {
      padding: 92px 0 48px;
    }

    .atlas4-workbench-head {
      display: grid;
      grid-template-columns: .7fr 1fr;
      gap: 50px;
      align-items: end;
      margin-bottom: 36px;
    }

    .atlas4-workbench-head p {
      margin: 0;
      color: var(--atlas4-muted);
      font-size: 17px;
      line-height: 1.9;
      font-weight: 650;
    }

    .atlas4-map {
      display: grid;
      grid-template-columns: 280px minmax(0, 1fr);
      border-top: 2px solid var(--atlas4-ink);
      border-bottom: 2px solid var(--atlas4-ink);
      background: rgba(255, 250, 240, .72);
    }

    .atlas4-map-aside {
      display: flex;
      min-height: 100%;
      align-items: stretch;
      border-right: 1px solid var(--atlas4-line);
      background:
        linear-gradient(rgba(8, 57, 47, .42), rgba(8, 57, 47, .42)),
        url("") center/cover;
    }

    .atlas4-vertical {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 100%;
      min-height: 520px;
      color: #fff;
      font-size: clamp(38px, 5vw, 64px);
      font-weight: 950;
      letter-spacing: .12em;
      writing-mode: vertical-rl;
      font-family: "Source Han Serif SC", "Songti SC", "SimSun", serif;
    }

    .atlas4-steps {
      display: grid;
    }

    .atlas4-step {
      display: grid;
      grid-template-columns: 90px minmax(0, 1fr);
      gap: 22px;
      padding: 34px 38px;
      border-bottom: 1px solid var(--atlas4-line);
    }

    .atlas4-step:last-child {
      border-bottom: 0;
    }

    .atlas4-step b {
      display: grid;
      width: 58px;
      height: 58px;
      place-items: center;
      color: var(--atlas4-deep);
      border: 1px solid var(--atlas4-line);
      border-radius: 50%;
      background: #fff;
      font-size: 22px;
    }

    .atlas4-step h3 {
      margin: 0 0 8px;
      font-size: 24px;
      letter-spacing: -.03em;
    }

    .atlas4-step p {
      margin: 0;
      color: var(--atlas4-muted);
      font-size: 16px;
      line-height: 1.85;
      font-weight: 650;
    }

    .atlas4-board {
      padding: 52px 0 88px;
    }

    .atlas4-board-inner {
      display: grid;
      grid-template-columns: 1fr 1.15fr;
      gap: 38px;
      align-items: start;
    }

    .atlas4-poster {
      position: sticky;
      top: 104px;
      overflow: hidden;
      border: 1px solid var(--atlas4-line);
      background: #fff;
      box-shadow: 18px 18px 0 rgba(22, 32, 28, .08);
    }

    .atlas4-poster img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }

    .atlas4-poster figcaption {
      margin: 0;
      padding: 24px;
      font-weight: 850;
      line-height: 1.7;
      background: #fffaf0;
    }

    .atlas4-table {
      display: grid;
      gap: 12px;
    }

    .atlas4-row {
      display: grid;
      grid-template-columns: 134px minmax(0, 1fr);
      gap: 22px;
      padding: 26px;
      border: 1px solid var(--atlas4-line);
      background: rgba(255, 250, 240, .82);
      transition: transform .2s ease, background .2s ease;
    }

    .atlas4-row:hover {
      transform: translateX(-6px);
      background: #fff;
    }

    .atlas4-row span {
      color: var(--atlas4-accent);
      font-size: 13px;
      font-weight: 950;
      letter-spacing: .15em;
    }

    .atlas4-row h3 {
      margin: 0 0 8px;
      font-size: 24px;
      letter-spacing: -.03em;
    }

    .atlas4-row p {
      margin: 0;
      color: var(--atlas4-muted);
      line-height: 1.85;
      font-weight: 650;
    }

    .atlas4-questions {
      padding: 76px 0 94px;
      color: #fff;
      background:
        radial-gradient(circle at 80% 20%, rgba(223, 107, 45, .28), transparent 28rem),
        linear-gradient(135deg, #08251f 0%, #0f3d34 100%);
    }

    .atlas4-questions .atlas4-wrap {
      display: grid;
      grid-template-columns: .75fr 1.25fr;
      gap: 56px;
      align-items: start;
    }

    .atlas4-questions .atlas4-copy {
      color: rgba(255, 255, 255, .72);
    }

    .atlas4-faq {
      display: grid;
      gap: 0;
      border-top: 1px solid rgba(255, 255, 255, .2);
    }

    .atlas4-faq article {
      padding: 26px 0;
      border-bottom: 1px solid rgba(255, 255, 255, .2);
    }

    .atlas4-faq h3 {
      margin: 0 0 10px;
      color: #fff;
      font-size: 22px;
    }

    .atlas4-faq p {
      margin: 0;
      color: rgba(255, 255, 255, .72);
      line-height: 1.85;
      font-weight: 650;
    }

    .atlas4-bottom {
      padding: 30px 0;
      color: rgba(255, 255, 255, .72);
      border-top: 1px solid rgba(255, 255, 255, .12);
      background: #08251f;
      text-align: center;
      font-size: 14px;
    }

    
.atlas4-products {
  position: relative;
  z-index: 4;
  margin-top: -16px;
  margin-bottom: 54px;
}

.atlas4-product-panel {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 34px;
  align-items: stretch;
  padding: 30px;
  border: 1px solid var(--atlas4-line);
  background: rgba(255, 250, 240, .9);
  box-shadow: 18px 18px 0 rgba(22, 32, 28, .07);
}

.atlas4-product-head {
  padding: 28px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(8, 57, 47, .95), rgba(11, 84, 70, .92)),
    radial-gradient(circle at 20% 20%, rgba(223, 107, 45, .35), transparent 18rem);
}

.atlas4-product-head h2 {
  margin: 0;
  font-size: clamp(32px, 4.6vw, 54px);
  line-height: 1.06;
  letter-spacing: -.06em;
  font-family: "Source Han Serif SC", "Songti SC", "SimSun", serif;
  font-weight: 950;
}

.atlas4-product-head p:last-child {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, .78);
  font-size: 16px;
  line-height: 1.85;
  font-weight: 700;
}

.atlas4-product-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.atlas4-product-item {
  position: relative;
  display: flex;
  min-height: 178px;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  overflow: hidden;
  border: 1px solid var(--atlas4-line);
  background: #fff;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.atlas4-product-item::after {
  content: "下载";
  position: absolute;
  right: -18px;
  bottom: -16px;
  color: rgba(8, 57, 47, .06);
  font-size: 76px;
  line-height: 1;
  font-weight: 950;
}

.atlas4-product-item:hover {
  transform: translateY(-5px);
  border-color: rgba(8, 57, 47, .38);
  box-shadow: 12px 12px 0 rgba(8, 57, 47, .08);
}

.atlas4-product-mark {
  display: inline-grid;
  width: 56px;
  height: 56px;
  place-items: center;
  color: #fff;
  border-radius: 50%;
  background: var(--atlas4-accent);
  font-size: 15px;
  font-weight: 950;
}

.atlas4-product-item strong {
  position: relative;
  z-index: 1;
  display: block;
  margin-top: 20px;
  color: var(--atlas4-ink);
  font-size: 22px;
  letter-spacing: -.03em;
}

.atlas4-product-item em {
  position: relative;
  z-index: 1;
  display: block;
  margin-top: 8px;
  color: var(--atlas4-muted);
  font-style: normal;
  line-height: 1.65;
  font-weight: 700;
}


@media (max-width: 980px) {
      .atlas4-wrap {
        width: min(100% - 28px, 760px);
      }

      .atlas4-topbar .atlas4-wrap {
        min-height: auto;
        padding: 14px 0;
        align-items: flex-start;
        flex-direction: column;
      }

      .atlas4-menu {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 4px;
        scrollbar-width: none;
      }

      .atlas4-menu::-webkit-scrollbar {
        display: none;
      }

      .atlas4-cover,
      .atlas4-strip,
      .atlas4-workbench-head,
      .atlas4-map,
      .atlas4-board-inner,
      .atlas4-questions .atlas4-wrap {
        grid-template-columns: 1fr;
      }

      .atlas4-cover {
        gap: 34px;
        padding: 52px 0 42px;
      }

      .atlas4-collage {
        min-height: 430px;
      }

      .atlas4-photo[data-size="large"] {
        width: 82%;
        height: 300px;
      }

      .atlas4-photo[data-size="small"] {
        left: 0;
        bottom: 56px;
        width: 48%;
        height: 220px;
      }

      .atlas4-map-aside {
        min-height: 250px;
        border-right: 0;
        border-bottom: 1px solid var(--atlas4-line);
      }

      .atlas4-vertical {
        min-height: 250px;
        writing-mode: horizontal-tb;
        letter-spacing: .02em;
      }

      .atlas4-poster {
        position: relative;
        top: auto;
      }
    }

    @media (max-width: 640px) {
      .atlas4-wrap {
        width: min(100% - 24px, 520px);
      }

      .atlas4-brand span:last-child {
        font-size: 20px;
      }

      .atlas4-menu a {
        flex: 0 0 auto;
        padding: 9px 11px;
      }

      .atlas4-title {
        font-size: clamp(42px, 15vw, 64px);
      }

      .atlas4-lead {
        font-size: 16px;
        line-height: 1.85;
      }

      .atlas4-actions,
      .atlas4-button {
        width: 100%;
      }

      .atlas4-collage {
        min-height: 390px;
      }

      .atlas4-photo {
        border-width: 7px;
      }

      .atlas4-photo[data-size="large"] {
        width: 100%;
        height: 250px;
        border-radius: 24px 24px 4px 24px;
      }

      .atlas4-photo[data-size="small"] {
        width: 56%;
        height: 170px;
        bottom: 38px;
      }

      .atlas4-note {
        right: 0;
        bottom: 0;
        width: 58%;
        padding: 18px;
      }

      .atlas4-note strong {
        font-size: 28px;
      }

      .atlas4-strip-text,
      .atlas4-step,
      .atlas4-row {
        padding: 24px;
      }

      .atlas4-ledger a {
        grid-template-columns: 54px minmax(0, 1fr);
        gap: 14px;
        padding: 20px;
      }

      .atlas4-ledger b {
        width: 46px;
        height: 46px;
        font-size: 18px;
      }

      .atlas4-ledger i {
        display: none;
      }

      .atlas4-workbench {
        padding: 64px 0 34px;
      }

      .atlas4-step {
        grid-template-columns: 52px minmax(0, 1fr);
        gap: 16px;
      }

      .atlas4-step b {
        width: 44px;
        height: 44px;
        font-size: 18px;
      }

      .atlas4-board {
        padding: 34px 0 66px;
      }

      .atlas4-poster img {
        height: 260px;
      }

      .atlas4-row {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .atlas4-questions {
        padding: 58px 0 70px;
      }
    }

@media (max-width: 980px) {
  .atlas4-products {
    margin-top: 0;
    margin-bottom: 34px;
  }

  .atlas4-product-panel {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 18px;
  }

  .atlas4-product-list {
    grid-template-columns: 1fr;
  }

  .atlas4-product-item {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 4px 16px;
    min-height: auto;
    justify-content: initial;
    padding: 20px;
  }

  .atlas4-product-mark {
    grid-row: 1 / 3;
  }

  .atlas4-product-item strong {
    margin-top: 0;
  }

  .atlas4-product-item em {
    margin-top: 0;
  }

  .atlas4-product-item::after {
    right: -10px;
    bottom: -8px;
    font-size: 54px;
  }
}

@media (max-width: 640px) {
  .atlas4-product-head {
    padding: 24px;
  }

  .atlas4-product-head p:last-child {
    font-size: 15px;
  }
}



/* Product zone: rounded app shelf layout */
.atlas4-products {
  margin-top: -6px;
  margin-bottom: 56px;
}

.atlas4-appshow {
  position: relative;
  padding: clamp(26px, 4.2vw, 48px);
  border: 1px solid rgba(22, 32, 28, .08);
  border-radius: 38px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .96), rgba(255, 251, 242, .94)),
    radial-gradient(circle at 12% 0%, rgba(28, 140, 120, .12), transparent 18rem),
    radial-gradient(circle at 88% 100%, rgba(223, 107, 45, .12), transparent 18rem);
  box-shadow: 0 28px 80px rgba(27, 50, 42, .13);
}

.atlas4-appshow::before {
  content: "";
  position: absolute;
  inset: 18px;
  pointer-events: none;
  border-radius: 28px;
  background-image:
    linear-gradient(rgba(22, 32, 28, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 32, 28, .035) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.atlas4-appshow-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 34px;
}

.atlas4-appshow-head h2 {
  position: relative;
  margin: 0;
  padding-left: 18px;
  color: #101b17;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.08;
  letter-spacing: -.06em;
  font-weight: 950;
}

.atlas4-appshow-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: .18em;
  width: 5px;
  height: .72em;
  border-radius: 999px;
  background: linear-gradient(180deg, #5f6cff, #1c8c78);
}

.atlas4-appshow-head p {
  margin: 18px 0 0;
  color: #18241f;
  font-size: 18px;
  line-height: 1.75;
  font-weight: 850;
}

.atlas4-appshow-head a {
  flex: 0 0 auto;
  color: var(--atlas4-deep);
  font-size: 17px;
  font-weight: 950;
}

.atlas4-appgrid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
}

.atlas4-appcard {
  display: grid;
  min-height: 190px;
  justify-items: center;
  align-content: center;
  padding: 22px 14px;
  border: 1px solid rgba(22, 32, 28, .08);
  border-radius: 20px;
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 14px 34px rgba(24, 44, 38, .08);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.atlas4-appcard:hover {
  transform: translateY(-6px);
  border-color: rgba(28, 140, 120, .28);
  box-shadow: 0 24px 50px rgba(24, 44, 38, .13);
}

.atlas4-appicon {
  display: grid;
  width: 78px;
  height: 78px;
  place-items: center;
  margin-bottom: 18px;
  overflow: hidden;
  color: #fff;
  border-radius: 22px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .35), 0 16px 28px rgba(15, 28, 24, .16);
  font-size: 27px;
  font-weight: 950;
  letter-spacing: -.06em;
}

.atlas4-appicon[data-skin="vision"] {
  background:
    radial-gradient(circle at 70% 25%, rgba(255, 255, 255, .35), transparent 22px),
    linear-gradient(135deg, #16181c 0%, #27222e 48%, #6c47dd 100%);
}

.atlas4-appicon[data-skin="fish"] {
  background:
    radial-gradient(circle at 76% 25%, rgba(181, 92, 255, .78), transparent 24px),
    linear-gradient(135deg, #23013d 0%, #3d0d68 52%, #0b0820 100%);
}

.atlas4-appicon[data-skin="cube"] {
  background:
    linear-gradient(135deg, #8e72ff 0%, #9d56ea 50%, #ef4ab7 100%);
}

.atlas4-appicon[data-skin="play"] {
  background:
    linear-gradient(145deg, #ff3f73 0%, #ec2459 58%, #2b1b21 100%);
}

.atlas4-appicon[data-skin="lime"] {
  background:
    radial-gradient(circle at 70% 26%, rgba(255, 255, 255, .5), transparent 22px),
    linear-gradient(135deg, #6f66da 0%, #ffe246 54%, #11a84d 100%);
}

.atlas4-appicon[data-skin="nine"] {
  background:
    linear-gradient(135deg, #ff796b 0%, #ff7b16 55%, #a73508 100%);
}

.atlas4-appcard strong {
  display: block;
  color: #202c27;
  font-size: 17px;
  line-height: 1.3;
  font-weight: 850;
  text-align: center;
}

.atlas4-appcard em {
  display: block;
  margin-top: 18px;
  color: #6a7670;
  font-style: normal;
  font-size: 14px;
  line-height: 1.4;
  font-weight: 760;
  text-align: center;
}

.atlas4-appnav {
  position: absolute;
  top: calc(50% + 26px);
  z-index: 2;
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: #2f8b77;
  box-shadow: 0 16px 34px rgba(28, 96, 82, .22);
  font-size: 26px;
  line-height: 1;
  cursor: default;
}

.atlas4-appnav:first-of-type {
  left: 24px;
}

.atlas4-appnav:last-of-type {
  right: 24px;
}

@media (max-width: 1100px) {
  .atlas4-appgrid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .atlas4-products {
    margin-top: 0;
    margin-bottom: 34px;
  }

  .atlas4-appshow {
    padding: 22px;
    border-radius: 26px;
  }

  .atlas4-appshow-head {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 22px;
  }

  .atlas4-appshow-head p {
    font-size: 15px;
  }

  .atlas4-appgrid {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    padding: 4px 2px 14px;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .atlas4-appgrid::-webkit-scrollbar {
    display: none;
  }

  .atlas4-appcard {
    flex: 0 0 142px;
    min-height: 176px;
    scroll-snap-align: start;
  }

  .atlas4-appicon {
    width: 68px;
    height: 68px;
    border-radius: 19px;
    font-size: 23px;
  }

  .atlas4-appnav {
    display: none;
  }
}



/* Product zone v3: dark ticket shelf override */
.atlas4-products {
  margin-top: 10px;
  margin-bottom: 58px;
}

.atlas4-appshow {
  position: relative;
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  gap: 26px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 8px 42px 8px 42px;
  background:
    radial-gradient(circle at 90% 14%, rgba(255, 131, 65, .32), transparent 24rem),
    radial-gradient(circle at 12% 88%, rgba(49, 189, 162, .24), transparent 20rem),
    linear-gradient(135deg, #061f1b 0%, #0a4036 52%, #17312c 100%);
  box-shadow: 20px 24px 0 rgba(8, 57, 47, .1), 0 30px 80px rgba(18, 40, 34, .22);
}

.atlas4-appshow::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background:
    linear-gradient(120deg, transparent 0 42%, rgba(255, 255, 255, .08) 42% 43%, transparent 43% 100%),
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: auto, 38px 38px, 38px 38px;
  mask-image: none;
}

.atlas4-appshow-head {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 100%;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
  margin: 0;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .08);
  backdrop-filter: blur(12px);
}

.atlas4-appshow-head h2 {
  margin: 0;
  padding: 0;
  color: #fff;
  font-size: clamp(38px, 5.4vw, 66px);
  line-height: .94;
  letter-spacing: -.07em;
  font-family: "Source Han Serif SC", "Songti SC", "SimSun", serif;
}

.atlas4-appshow-head h2::before {
  display: none;
}

.atlas4-appshow-head h2::after {
  content: "";
  display: block;
  width: 74px;
  height: 5px;
  margin-top: 18px;
  border-radius: 999px;
  background: linear-gradient(90deg, #ff7a2f, #46d0b4);
}

.atlas4-appshow-head p {
  max-width: 220px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, .74);
  font-size: 16px;
  line-height: 1.85;
  font-weight: 760;
}

.atlas4-appshow-head a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  color: #102520;
  border-radius: 999px;
  background: #f9f0dd;
  font-size: 15px;
  font-weight: 950;
  box-shadow: 8px 8px 0 rgba(0, 0, 0, .16);
}

.atlas4-appgrid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.atlas4-appcard {
  position: relative;
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 6px 16px;
  min-height: 122px;
  justify-items: initial;
  align-content: center;
  padding: 18px 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 18px 2px 18px 2px;
  background: rgba(255, 250, 240, .94);
  box-shadow: none;
  transition: transform .22s ease, background .22s ease, border-color .22s ease;
}

.atlas4-appcard::before,
.atlas4-appcard::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #0a4036;
  transform: translateY(-50%);
}

.atlas4-appcard::before {
  left: -9px;
}

.atlas4-appcard::after {
  right: -9px;
}

.atlas4-appcard:hover {
  transform: translateY(-4px) translateX(3px);
  border-color: rgba(255, 255, 255, .38);
  background: #fff;
  box-shadow: none;
}

.atlas4-appicon {
  grid-row: 1 / 3;
  display: grid;
  width: 70px;
  height: 70px;
  place-items: center;
  margin: 0;
  color: #fff;
  border-radius: 18px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .34), 0 12px 24px rgba(15, 28, 24, .16);
  font-size: 22px;
  font-weight: 950;
  letter-spacing: -.06em;
}

.atlas4-appcard strong {
  align-self: end;
  color: #15221d;
  font-size: 21px;
  line-height: 1.25;
  text-align: left;
  font-weight: 950;
}

.atlas4-appcard em {
  align-self: start;
  margin: 0;
  color: #68756e;
  font-size: 14px;
  line-height: 1.45;
  text-align: left;
  font-weight: 800;
}

.atlas4-appnav {
  top: auto;
  bottom: 28px;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, .3);
  color: #fff;
  background: rgba(255, 255, 255, .12);
  backdrop-filter: blur(10px);
  box-shadow: none;
}

.atlas4-appnav:first-of-type {
  left: 258px;
}

.atlas4-appnav:last-of-type {
  left: 310px;
  right: auto;
}

@media (max-width: 980px) {
  .atlas4-appshow {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 20px;
    border-radius: 30px 8px 30px 8px;
  }

  .atlas4-appshow-head {
    min-height: auto;
    padding: 22px;
  }

  .atlas4-appshow-head p {
    max-width: none;
  }

  .atlas4-appgrid {
    grid-template-columns: 1fr;
  }

  .atlas4-appnav {
    display: none;
  }
}

@media (max-width: 640px) {
  .atlas4-products {
    margin-top: 0;
    margin-bottom: 34px;
  }

  .atlas4-appshow {
    padding: 14px;
  }

  .atlas4-appshow-head {
    gap: 18px;
  }

  .atlas4-appshow-head h2 {
    font-size: 42px;
  }

  .atlas4-appshow-head p {
    font-size: 14px;
  }

  .atlas4-appgrid {
    display: grid;
    overflow: visible;
    padding: 0;
  }

  .atlas4-appcard {
    flex: none;
    width: 100%;
    grid-template-columns: 62px minmax(0, 1fr);
    min-height: 104px;
    padding: 16px;
  }

  .atlas4-appicon {
    width: 58px;
    height: 58px;
    border-radius: 15px;
    font-size: 19px;
  }

  .atlas4-appcard strong {
    font-size: 18px;
  }
}



/* Hero autoplay video media */
.atlas4-photo video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.atlas4-photo video::-webkit-media-controls {
  display: none !important;
}


/* Hero full video replacement */
.atlas4-collage.atlas4-video-stage {
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.atlas4-collage.atlas4-video-stage::before {
  content: "";
  position: absolute;
  inset: 44px 18px 18px 54px;
  border-radius: 40px;
  background: linear-gradient(135deg, rgba(8, 57, 47, .16), rgba(223, 107, 45, .14));
  box-shadow: 26px 26px 0 rgba(8, 57, 47, .08);
  transform: rotate(2deg);
}

.atlas4-collage.atlas4-video-stage::after {
  right: -24px;
  bottom: -8px;
  width: 300px;
  height: 300px;
  border-color: rgba(8, 57, 47, .16);
}

.atlas4-hero-video-box {
  position: relative;
  z-index: 2;
  width: min(100%, 620px);
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 12px solid #fffaf0;
  border-radius: 42px 42px 10px 42px;
  background: #0a241f;
  box-shadow: var(--atlas4-shadow);
}

.atlas4-hero-video-box video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.atlas4-hero-video-box video::-webkit-media-controls {
  display: none !important;
}

.atlas4-video-caption {
  position: absolute;
  left: 22px;
  bottom: 22px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 15px;
  color: #fff;
  border-radius: 999px;
  background: rgba(8, 57, 47, .78);
  font-size: 14px;
  font-weight: 950;
  backdrop-filter: blur(12px);
}

.atlas4-video-caption::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff7a2f;
  box-shadow: 0 0 0 6px rgba(255, 122, 47, .18);
}

@media (max-width: 980px) {
  .atlas4-collage.atlas4-video-stage {
    min-height: auto;
    padding: 8px 0 28px;
  }

  .atlas4-collage.atlas4-video-stage::before {
    inset: 36px 8px 12px 22px;
  }

  .atlas4-hero-video-box {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .atlas4-collage.atlas4-video-stage {
    padding-bottom: 18px;
  }

  .atlas4-hero-video-box {
    border-width: 7px;
    border-radius: 26px 26px 8px 26px;
  }

  .atlas4-video-caption {
    left: 14px;
    bottom: 14px;
    padding: 9px 12px;
    font-size: 13px;
  }
}


/* Download section title and image layout */
.atlas4-download-visual {
  position: relative;
  overflow: hidden;
}

.atlas4-download-visual::after {
  content: "";
  position: absolute;
  right: -80px;
  top: 34px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 50%;
  pointer-events: none;
}

.atlas4-download-title {
  position: relative;
  z-index: 1;
  margin: 0 0 24px;
  padding: 0 0 16px;
  color: #fff;
  font-size: clamp(30px, 4.7vw, 54px);
  line-height: 1.08;
  letter-spacing: -.06em;
  font-family: "Source Han Serif SC", "Songti SC", "SimSun", serif;
  font-weight: 950;
}

.atlas4-download-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 112px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--atlas4-accent), rgba(255, 255, 255, .72));
}

.atlas4-download-picture {
  position: relative;
  z-index: 1;
  margin: 0 0 24px;
  overflow: hidden;
  border: 8px solid rgba(255, 250, 240, .92);
  border-radius: 26px 26px 4px 26px;
  background: rgba(255, 255, 255, .08);
  box-shadow: 18px 18px 0 rgba(0, 0, 0, .14);
}

.atlas4-download-picture img {
  width: 100%;
  height: clamp(180px, 22vw, 280px);
  object-fit: cover;
  filter: saturate(.95) contrast(1.04);
}

.atlas4-download-visual .atlas4-copy {
  position: relative;
  z-index: 1;
}

@media (max-width: 640px) {
  .atlas4-download-title {
    margin-bottom: 18px;
  }

  .atlas4-download-picture {
    border-width: 6px;
    border-radius: 20px 20px 4px 20px;
  }

  .atlas4-download-picture img {
    height: 190px;
  }
}



/* Install gallery cards */
.atlas4-install-gallery {
  padding: 92px 0 64px;
}

.atlas4-install-gallery .atlas4-workbench-head {
  margin-bottom: 34px;
}

.atlas4-install-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.atlas4-install-card {
  position: relative;
  display: grid;
  grid-template-rows: minmax(260px, 1fr) auto;
  overflow: hidden;
  border: 1px solid var(--atlas4-line);
  background: rgba(255, 250, 240, .88);
  box-shadow: 16px 16px 0 rgba(22, 32, 28, .07);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.atlas4-install-card:hover {
  transform: translate(-4px, -4px);
  border-color: rgba(8, 57, 47, .34);
  box-shadow: 22px 22px 0 rgba(22, 32, 28, .09);
}

.atlas4-install-card figure {
  position: relative;
  margin: 0;
  min-height: 260px;
  overflow: hidden;
  background: #dce8e1;
}

.atlas4-install-card figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(8, 57, 47, .18));
  pointer-events: none;
}

.atlas4-install-card img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  transition: transform .36s ease;
}

.atlas4-install-card:hover img {
  transform: scale(1.045);
}

.atlas4-install-card div {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 26px 24px 28px;
  min-height: 178px;
}

.atlas4-install-card span {
  display: inline-grid;
  width: 46px;
  height: 46px;
  place-items: center;
  color: #fff;
  border-radius: 50%;
  background: var(--atlas4-deep);
  font-size: 16px;
  font-weight: 950;
}

.atlas4-install-card h3 {
  margin: 2px 0 0;
  color: var(--atlas4-ink);
  font-size: 24px;
  line-height: 1.22;
  letter-spacing: -.03em;
  font-weight: 950;
}

.atlas4-install-card p {
  margin: 0;
  color: var(--atlas4-muted);
  font-size: 16px;
  line-height: 1.78;
  font-weight: 700;
}

@media (max-width: 980px) {
  .atlas4-install-cards {
    grid-template-columns: 1fr;
  }

  .atlas4-install-card {
    grid-template-rows: auto auto;
  }

  .atlas4-install-card figure,
  .atlas4-install-card img {
    min-height: 300px;
  }
}

@media (max-width: 640px) {
  .atlas4-install-gallery {
    padding: 64px 0 46px;
  }

  .atlas4-install-cards {
    gap: 18px;
  }

  .atlas4-install-card {
    box-shadow: 10px 10px 0 rgba(22, 32, 28, .06);
  }

  .atlas4-install-card figure,
  .atlas4-install-card img {
    min-height: 220px;
  }

  .atlas4-install-card div {
    padding: 22px 20px 24px;
    min-height: auto;
  }
}



/* Restore guard: keep hero media from widening mobile layout */
.atlas4-cover-copy {
  min-width: 0;
}

.atlas4-cover .atlas4-hero-video {
  max-width: 100%;
}

@media (max-width: 980px) {
  .atlas4-cover {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .atlas4-cover > * {
    min-width: 0 !important;
    max-width: 100% !important;
  }

  .atlas4-cover-copy,
  .atlas4-title,
  .atlas4-lead,
  .atlas4-actions,
  .atlas4-collage,
  .atlas4-hero-video-box,
  .atlas4-hero-video {
    width: 100% !important;
    max-width: 100% !important;
  }
}



/* Hide hero video badge overlay */
.atlas4-video-caption{display:none!important;}