.rebuild-callout{margin-top:56px;border-top:1px solid rgba(255,255,255,.16);border-bottom:1px solid rgba(255,255,255,.16);padding:28px 0;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:48px;align-items:center}
.rebuild-flow{display:flex;align-items:center;gap:12px;flex-wrap:wrap;color:#d8dedb;font-size:14px;letter-spacing:.02em}
.rebuild-flow span,.rebuild-flow strong{border:1px solid rgba(255,255,255,.2);padding:12px 14px;background:#0b100e}
.rebuild-flow strong{color:#080b09;background:#66ee92;border-color:#66ee92}.rebuild-flow .output{color:#66ee92;border-color:#66ee92}.rebuild-flow i{color:#66ee92;font-style:normal}.rebuild-flow b{color:#66ee92;font-size:20px}
.rebuild-callout .scenario-copy{max-width:560px}.rebuild-callout .scenario-copy h3{margin:8px 0 12px}.rebuild-callout .scenario-copy p{margin:0 0 14px}.rebuild-callout .scenario-copy b{font-size:13px;color:#66ee92;font-weight:500}
@media (max-width:900px){.rebuild-callout{grid-template-columns:1fr;gap:24px}}
@media (max-width:560px){.rebuild-callout{margin-top:42px}.rebuild-flow{gap:8px}.rebuild-flow span,.rebuild-flow strong{padding:10px 11px}.rebuild-flow b{transform:rotate(90deg);font-size:16px}.rebuild-callout .scenario-copy h3{font-size:28px}}
.chain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid rgba(255,255,255,.16);border-bottom:1px solid rgba(255,255,255,.16)}.chain-item{padding:30px 28px 34px;border-right:1px solid rgba(255,255,255,.16)}.chain-item:last-child{border-right:0}.chain-index{display:block;color:#66ee92;font-family:monospace;font-size:13px;letter-spacing:.12em}.chain-item h3{font-size:24px;margin:16px 0 12px}.chain-item p{color:#b6c0bb;line-height:1.8;margin:0 0 18px}.chain-item b{font-size:13px;color:#66ee92;font-weight:500}.adaptation-flow{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;padding:30px 0;border-top:1px solid rgba(255,255,255,.16);border-bottom:1px solid rgba(255,255,255,.16);color:#d8dedb}.adaptation-flow span,.adaptation-flow strong{padding:13px 16px;border:1px solid rgba(255,255,255,.2);background:#0b100e;font-size:14px}.adaptation-flow i{font-style:normal;color:#66ee92}.adaptation-flow strong{color:#080b09;background:#66ee92;border-color:#66ee92}.adaptation-note{display:flex;gap:16px;align-items:baseline;padding-top:22px;color:#b6c0bb}.adaptation-note b{color:#66ee92;font-size:13px;letter-spacing:.08em}.trust-model-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid rgba(255,255,255,.16);border-bottom:1px solid rgba(255,255,255,.16)}.trust-model-grid article{padding:28px;border-right:1px solid rgba(255,255,255,.16)}.trust-model-grid article:last-child{border-right:0}.trust-model-grid span{color:#66ee92;font-family:monospace;font-size:13px;letter-spacing:.12em}.trust-model-grid h3{font-size:22px;margin:14px 0 10px}.trust-model-grid p{color:#b6c0bb;line-height:1.8;margin:0}@media(max-width:900px){.chain-grid,.trust-model-grid{grid-template-columns:1fr}.chain-item,.trust-model-grid article{border-right:0;border-bottom:1px solid rgba(255,255,255,.16)}.chain-item:last-child,.trust-model-grid article:last-child{border-bottom:0}}@media(max-width:560px){.adaptation-flow{justify-content:flex-start;gap:8px}.adaptation-flow i{font-size:14px}.adaptation-note{display:block}.adaptation-note span{display:block;margin-top:8px}.chain-item,.trust-model-grid article{padding:24px 0}}
.data-chains,
.workflow { padding-top: 78px; padding-bottom: 78px; }
.workflow .section-heading { margin-bottom: 34px; }

.delivery-principle { margin: 18px 0 0 !important; padding-left: 14px; border-left: 2px solid var(--green); color: #c7d1cc !important; font-size: 15px !important; }
.delivery-principle strong { color: var(--green); font-weight: 600; }
.delivery-grid article b { display: block; margin-top: 16px; color: var(--green); font-size: 12px; font-weight: 500; line-height: 1.5; }
.delivery-grid article { min-height: 190px; padding: 28px; }
.delivery-grid h3 { margin-top: 20px; }
.hero { padding-top: 130px; padding-bottom: 50px; }
.hero-actions { margin-top: 28px; margin-bottom: 36px; }
.hero-positioning { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 28px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.hero-positioning > div { padding: 17px 20px 18px 0; }
.hero-positioning > div + div { padding-left: 20px; border-left: 1px solid var(--line); }
.hero-positioning strong { color: var(--green); font-size: 14px; font-weight: 600; }
.hero-positioning p { margin: 7px 0 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.acceptance-block { margin-top: 26px; padding-top: 26px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.acceptance-heading { display: flex; align-items: baseline; gap: 18px; margin-bottom: 16px; }
.acceptance-heading .eyebrow { margin: 0; font-size: 11px; }
.acceptance-heading h3 { margin: 0; font-size: 22px; }
.acceptance-intro { max-width: 850px; padding: 0 0 22px; color: var(--muted); font-size: 14px; }
.acceptance-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.acceptance-grid article { min-width: 0; padding: 22px 18px 24px; border-right: 1px solid var(--line); }
.acceptance-grid article:last-child { border-right: 0; }
.acceptance-grid article > span { color: var(--green); font: 11px ui-monospace, monospace; letter-spacing: .08em; }
.acceptance-grid h3 { margin: 12px 0 8px; font-size: 16px; }
.acceptance-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.acceptance-note { margin: 17px 0 22px; color: #84918b; font-size: 12px; }
.workflow-line { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1100px) and (min-width: 901px) {
  .hero { grid-template-columns: minmax(360px, .9fr) minmax(440px, 1.1fr); gap: 32px; padding-left: 20px; padding-right: 20px; }
}
.hero-image-visual {
  min-height: 0;
  aspect-ratio: 16 / 9;
  background: #0a0d0c;
}

.hero-image-visual img,
.section-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.section-visual {
  width: 100%;
  margin: 46px 0 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #0a0d0c;
}

.capability-visual,
.adaptation .section-visual,
.trust-model .section-visual {
  width: min(100%, 960px);
  margin-left: auto;
  margin-right: auto;
}

/* Keep the capability selector, explanation and synchronized image in one view. */
.intro { padding-top: 78px; padding-bottom: 78px; }
.intro .section-heading { max-width: 980px; margin-bottom: 32px; }
.capability-layout { grid-template-columns: minmax(230px, .62fr) minmax(330px, 1fr) minmax(360px, 1.16fr); align-items: stretch; }
.capability-layout .capability-panel { min-height: 370px; padding: 28px 30px; }
.capability-layout .capability-panel h3 { margin: 9px 0 10px; font-size: 23px; line-height: 1.35; }
.capability-layout .capability-panel > p:not(.panel-kicker) { margin: 0; font-size: 14px; line-height: 1.65; }
.capability-layout .capability-panel ul { margin: 12px 0 0; font-size: 14px; }
.capability-layout .capability-panel li { margin: 5px 0; }
.capability-layout .panel-metric { margin-top: 18px; padding-top: 14px; gap: 14px; }
.capability-layout .panel-metric strong { font-size: 23px; }
.capability-layout .capability-visual { width: auto; min-width: 0; min-height: 370px; margin: 0; border: 0; border-left: 1px solid var(--line); display: flex; flex-direction: column; aspect-ratio: auto; }
.capability-visual figcaption { display: flex; justify-content: space-between; align-items: baseline; gap: 14px; min-height: 44px; padding: 13px 18px; border-bottom: 1px solid var(--line); color: #84918b; font-size: 11px; }
.capability-visual figcaption strong { color: #d8e2dc; font-size: 13px; font-weight: 600; text-align: right; }
.capability-layout .capability-visual img { width: 100%; height: auto; min-height: 0; flex: 1; object-fit: contain; }

.capability-hint {
  margin-top: 14px !important;
  color: var(--green) !important;
  font-size: 13px !important;
}

.capability-tabs-wrap { min-width: 0; border-right: 1px solid var(--line); }
.capability-tabs-wrap .capability-tabs { border-right: 0; }
.tab-scroll-hint { display: none; }

.section-visual img,
.scenario-image img {
  cursor: zoom-in;
}

.image-lightbox {
  width: min(94vw, 1400px);
  max-width: none;
  padding: 20px;
  border: 1px solid #52605a;
  background: #070909;
}

.image-lightbox::backdrop { background: rgba(0, 0, 0, .86); }
.image-lightbox img { display: block; width: 100%; height: auto; max-height: 86vh; object-fit: contain; }
.lightbox-close { position: absolute; top: 8px; right: 10px; border: 0; background: #111916; color: #fff; font-size: 25px; line-height: 1; width: 36px; height: 36px; cursor: pointer; }

.contact-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.contact-form label { display: grid; gap: 7px; color: #b9c4bf; font-size: 12px; }
.contact-form input,
.contact-form select,
.contact-form textarea { min-width: 0; padding: 0 13px; border: 1px solid #34413c; background: #090e0c; color: #e8eeeb; font: inherit; }
.contact-form input,
.contact-form select { height: 48px; }
.contact-form textarea { width: 100%; padding-top: 12px; padding-bottom: 12px; resize: vertical; }
.contact-form [hidden] { display: none !important; }
.contact-requirement { grid-column: 1 / -1; }
.consent-field { grid-column: 1 / 3; display: flex !important; grid-template-columns: none !important; align-items: flex-start; gap: 10px !important; padding-top: 5px; line-height: 1.6; }
.consent-field input { width: 16px; height: 16px !important; margin: 2px 0 0; accent-color: var(--green); flex: 0 0 auto; }
.contact-form .button { border: 0; align-self: end; white-space: nowrap; }
.contact-form .button { grid-column: 3; }
.contact-actions { margin-top: 18px; }
#contact-input-label { grid-column: 1; grid-row: 3; }
.contact-status { margin-top: 18px; padding: 13px 15px; border-left: 2px solid var(--green); background: #0a120e; color: #cbd5d0; font-size: 13px; }
.contact-status[hidden] { display: none; }
.contact-actions a:not(.contact-phone) { color: var(--green); font-size: 14px; }

.boundary-tag { display: inline-block; margin-top: 14px; padding: 5px 8px; border: 1px solid #3a5145; color: #aebdb5; font-size: 12px; }
.scenario-cta { display: flex; width: max-content; max-width: 100%; align-items: center; gap: 12px; margin-top: 22px; color: var(--green); font-size: 14px; font-weight: 700; }
.scenario-cta:hover { color: #9af4b4; }
section[id],
.contact { scroll-margin-top: 84px; }

.scenario-image,
.scenario-copy { min-width: 0; }
.scenario-image { aspect-ratio: auto; position: relative; }

.scenario-image img {
  object-fit: contain;
  filter: saturate(.9) brightness(.88);
}

.scenarios { padding-top: 78px; padding-bottom: 78px; }
.scenarios .section-heading { margin-bottom: 32px; }
.scenario-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.scenario-card { display: grid; grid-template-columns: minmax(170px, .78fr) minmax(0, 1.22fr); min-height: 270px; border: 1px solid var(--line); background: var(--panel); overflow: hidden; }
.scenario-card .scenario-image { min-width: 0; min-height: 0; background: #0a0e0c; }
.scenario-card .scenario-image img { width: 100%; height: 100%; object-fit: contain; transition: .25s; }
.scenario-card:hover .scenario-image img { filter: saturate(1) brightness(.98); transform: scale(1.02); }
.scenario-card .scenario-copy { padding: 24px 24px 21px; background: transparent; }
.scenario-card .scenario-copy h3 { margin: 10px 0 8px; font-size: 20px; line-height: 1.35; }
.scenario-card .scenario-copy p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.scenario-card .scenario-copy b { display: block; margin-top: 13px; color: #dce4df; font-size: 12px; line-height: 1.55; }
.scenario-card .scenario-cta { margin-top: 15px; font-size: 12px; }

.mobile-menu-toggle { display: none; }

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

@media (max-width: 900px) {
  .hero { padding-top: 105px; padding-bottom: 48px; }
  .mobile-menu-toggle {
    display: inline-flex;
    margin-left: auto;
    margin-right: 10px;
    padding: 8px 10px;
    color: #c9d2ce;
    background: transparent;
    border: 1px solid #34413c;
    font-size: 12px;
  }

  .site-header nav {
    display: none;
    position: absolute;
    top: 62px;
    left: 0;
    right: 0;
    margin: 0;
    padding: 8px 20px 16px;
    background: rgba(5, 7, 7, .98);
    border-bottom: 1px solid #26302d;
  }

  .mobile-nav-open .site-header nav { display: grid; gap: 0; }
  .mobile-nav-open .site-header nav a { padding: 12px 0; border-bottom: 1px solid #202725; }
}

@media (max-width: 900px) {
  .hero-image-visual {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .hero-positioning { grid-template-columns: 1fr; }
  .hero-positioning > div,
  .hero-positioning > div + div { padding: 15px 0; border-left: 0; }
  .hero-positioning > div + div { border-top: 1px solid var(--line); }

  .section-visual {
    margin-top: 32px;
  }

  .contact-form { grid-template-columns: 1fr 1fr; }
  .contact-form .button { width: 100%; grid-column: 2; }
  .consent-field { grid-column: 1 / -1; }
  #contact-input-label { grid-column: auto; grid-row: auto; }
  .acceptance-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .acceptance-grid article:nth-child(2n) { border-right: 0; }
  .acceptance-grid article:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .acceptance-grid article:last-child { grid-column: 1 / -1; border-right: 0; }

  .capability-visual,
  .adaptation .section-visual,
  .trust-model .section-visual {
    width: 100%;
  }

  .capability-layout { grid-template-columns: 1fr; }
  .capability-layout .capability-panel { min-height: 0; padding: 30px 24px; }
  .capability-layout .capability-visual { min-height: 0; aspect-ratio: 16 / 9; border-top: 1px solid var(--line); border-left: 0; }
  .capability-visual figcaption { position: absolute; z-index: 1; top: 0; left: 0; right: 0; background: rgba(7, 9, 9, .86); }
  .capability-layout .capability-visual img { flex: 1; }

  .scenario-image {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .scenario-grid { grid-template-columns: 1fr; }
  .scenario-card { min-height: 250px; }

  .section-visual,
  .scenario-image { position: relative; }
  .section-visual::after,
  .scenario-image::after { content: "查看大图"; position: absolute; right: 9px; bottom: 9px; padding: 5px 8px; border: 1px solid rgba(255,255,255,.24); background: rgba(7,9,9,.82); color: #d7dfdb; font-size: 11px; pointer-events: none; }
}

@media (max-width: 560px) {
  .acceptance-heading { display: block; }
  .acceptance-heading .eyebrow { margin-bottom: 7px; }

  .hero-image-visual,
  .section-visual,
  .scenario-image {
    aspect-ratio: 16 / 9;
  }

  .scenario-image img {
    object-fit: contain;
  }

  .scenario-card { grid-template-columns: 1fr; min-height: 0; }
  .scenario-card .scenario-image { aspect-ratio: 16 / 9; }
  .scenario-card .scenario-copy { padding: 22px 20px 20px; }

  .capability-tabs {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .capability-tabs-wrap { position: relative; border-right: 0; min-width: 0; }
  .tab-scroll-hint { display: block; padding: 7px 16px; border-top: 1px solid var(--line); color: #7f8b85; background: #0a0e0c; font-size: 11px; text-align: right; transition: opacity .2s; }
  .capability-tabs-wrap.is-scrolled .tab-scroll-hint { opacity: 0; }
  .capability-tab { min-width: max-content; padding: 0 17px; }
  .contact-form { grid-template-columns: 1fr; }
  .contact-form .button { grid-column: 1; }
  .consent-field { grid-column: 1; }
  .acceptance-grid { grid-template-columns: 1fr; }
  .acceptance-grid article,
  .acceptance-grid article:nth-child(-n+3) { border-right: 0; border-bottom: 1px solid var(--line); }
  .acceptance-grid article:last-child { grid-column: auto; border-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .scenario-image img { transition: none; }
}