:root {
  --bg: #f2f2f7;
  --card: #ffffff;
  --ink: #1c1c1e;
  --ink-2: #3a3a3c;
  --muted: #8e8e93;
  --line: rgba(60, 60, 67, 0.12);
  --accent: #0a6b68;
  --accent-2: #12817c;
  --tint: #e7f4f3;
  --dark: #121716;
  --shadow: 0 12px 32px rgba(28, 28, 30, 0.08);
  --radius: 20px;
  --header: 56px;
  --tab: 50px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  padding-top: calc(var(--header) + var(--safe-t));
}
body.has-hero { padding-top: 0; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
.wx-hit, .btn, .chip, a { -webkit-tap-highlight-color: transparent; }
::selection { background: rgba(10, 107, 104, 0.2); }

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 80;
}
.skip:focus { top: 12px; }

.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: -0.03em; font-weight: 700; }
.lede { color: var(--ink-2); font-size: 17px; line-height: 1.65; max-width: 40rem; }
.muted { color: var(--muted); }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 40;
  height: calc(var(--header) + var(--safe-t));
  padding-top: var(--safe-t);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 0.5px solid var(--line);
}
.site-header.is-overlay {
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0));
  border-bottom-color: transparent;
  color: #fff;
}
.site-header.is-overlay.is-solid {
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  border-bottom-color: var(--line);
}
.bar {
  height: var(--header);
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: max-content; }
.brand strong { display: block; font-size: 16px; line-height: 1.1; }
.brand small { display: block; margin-top: 2px; font-size: 11px; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.site-header.is-overlay:not(.is-solid) .brand small { color: rgba(255, 255, 255, 0.76); }
.mark {
  width: 32px;
  height: 32px;
  flex: none;
  background: transparent;
}
.mark img { width: 100%; height: 100%; object-fit: cover; display: block; }
.desk-nav { display: flex; gap: 4px; margin-left: auto; }
.desk-nav a {
  padding: 8px 8px;
  border-radius: 999px;
  font-size: 13.5px;
  color: var(--ink-2);
}
.site-header.is-overlay:not(.is-solid) .desk-nav a { color: rgba(255, 255, 255, 0.92); }
.desk-nav a[aria-current="page"],
.desk-nav a:hover { background: rgba(10, 107, 104, 0.1); color: var(--accent); }
.site-header.is-overlay:not(.is-solid) .desk-nav a:hover,
.site-header.is-overlay:not(.is-solid) .desk-nav a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 0.5px solid transparent;
  font-size: 15px;
  font-weight: 620;
  cursor: pointer;
}

/* Shared About navigation: desktop dropdown and in-page section links. */
.desk-dropdown { position: relative; display: flex; align-items: center; }
.desk-about { border: 0; background: transparent; color: var(--ink-2); padding: 8px; border-radius: 999px; font-size: 13.5px; cursor: pointer; }
.desk-about span { margin-left: 3px; }
.desk-about.is-current, .desk-about:hover, .desk-about[aria-expanded="true"] { color: var(--accent); background: rgba(10, 107, 104, 0.1); }
.site-header.is-overlay:not(.is-solid) .desk-about { color: #fff; }
.site-header.is-overlay:not(.is-solid) .desk-about[aria-expanded="true"] { background: rgba(255, 255, 255, 0.16); }
.desk-submenu { position: absolute; right: 0; top: calc(100% + 8px); width: 164px; padding: 7px; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); }
.desk-submenu[hidden] { display: none; }
.desk-nav .desk-submenu a, .site-header.is-overlay:not(.is-solid) .desk-submenu a { display: block; padding: 12px 14px; border-radius: 10px; color: var(--ink-2); }
.desk-nav .desk-submenu a:hover, .desk-nav .desk-submenu a[aria-current="page"], .site-header.is-overlay:not(.is-solid) .desk-submenu a:hover, .site-header.is-overlay:not(.is-solid) .desk-submenu a[aria-current="page"] { background: var(--tint); color: var(--accent); }
.about-nav { border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, 0.6); }
.about-tabs { display: flex; gap: clamp(12px, 3vw, 28px); }
.about-tabs a { position: relative; padding: 18px 0; color: var(--ink-2); font-size: 14px; }
.about-tabs a[aria-current="page"] { color: var(--accent); font-weight: 650; }
.about-tabs a[aria-current="page"]::after { content: ""; position: absolute; bottom: -1px; left: 0; right: 0; height: 3px; background: var(--accent); border-radius: 3px 3px 0 0; }
.about-tabs a:hover { color: var(--accent); }
.foot-about a { color: var(--accent); }
.desk-about:focus-visible, .desk-submenu a:focus-visible, .about-tabs a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn-solid { background: var(--accent); color: #fff; }
.btn-solid:hover { background: #085955; }
.btn-light { background: #fff; color: var(--ink); }
.btn-line { background: transparent; color: var(--accent); border-color: rgba(10, 107, 104, 0.35); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.4); }
.icon-btn {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  border-radius: 50%;
  place-items: center;
}
.icon-btn svg { width: 22px; height: 22px; fill: currentColor; }

.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
  background: #101413;
}
.hero-photo, .hero-shade, .hero-slides { position: absolute; inset: 0; }
.hero-photo { width: 100%; height: 100%; object-fit: cover; }
.hero-slide {
  position: absolute; inset: 0; margin: 0;
  opacity: 0; transition: opacity 900ms ease; z-index: 0;
}
.hero-slide.is-on { opacity: 1; z-index: 1; }
.hero-slide img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.08);
  transition: transform 7.2s linear;
}
.hero-slide.is-on img { transform: scale(1); }
.hero-shade {
  z-index: 1;
  background:
    linear-gradient(to top, rgba(8, 14, 13, 0.9) 0%, rgba(8, 14, 13, 0.22) 48%, rgba(8, 14, 13, 0.38) 100%);
}
.hero-copy { position: relative; z-index: 2; padding: 0 0 72px; }
.hero-bar { display: flex; align-items: center; gap: 12px; margin-top: 26px; max-width: 520px; }
.hero-arrow {
  width: 36px; height: 36px; border-radius: 50%;
  border: 0.5px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
  color: #fff; display: grid; place-items: center; padding: 0;
}
.hero-arrow svg { width: 18px; height: 18px; }
.hero-dots { display: flex; gap: 8px; flex: 1; }
.hero-dots button {
  flex: 1; height: 3px; border: 0; border-radius: 99px; padding: 0;
  background: rgba(255, 255, 255, 0.35); position: relative; overflow: hidden;
}
.hero-dots button.is-on::after {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 100%;
  background: #fff; transform-origin: left;
  animation: hero-progress var(--hero-wait, 6.5s) linear;
}
.hero.is-paused .hero-dots button.is-on::after,
.ad-hero.is-paused .hero-dots button.is-on::after { animation-play-state: paused; }
.hero-count { color: rgba(255, 255, 255, 0.82); font-size: 13px; font-variant-numeric: tabular-nums; min-width: 52px; }
.hero.is-swap [data-hero-kicker],
.hero.is-swap [data-hero-title],
.hero.is-swap [data-hero-lead],
.ad-hero.is-swap [data-hero-kicker],
.ad-hero.is-swap [data-hero-title],
.ad-hero.is-swap [data-hero-lead] { animation: hero-in 0.5s ease; }
@keyframes hero-progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes hero-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.hero h1 { font-size: clamp(40px, 6vw, 68px); line-height: 1.08; margin: 0 0 16px; max-width: 12em; }
.hero .lede { color: rgba(255, 255, 255, 0.86); font-size: 18px; }
.hero .eyebrow { color: #9dede8; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

.section { padding: 72px 0; }
.section-head { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 22px; }
.section-head h2, .page-intro h1 { font-size: clamp(30px, 4vw, 44px); line-height: 1.15; margin: 0; }
.section-head p, .page-intro .lede { margin: 10px 0 0; }
.link { color: var(--accent); font-weight: 620; font-size: 15px; }

.lift { margin-top: -42px; position: relative; z-index: 2; }
section[id] { scroll-margin-top: calc(var(--header) + 12px); }
.topic-nav { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.topic-nav a {
  display: block; background: #fff; border-radius: 16px; padding: 16px 14px;
  box-shadow: var(--shadow); color: inherit;
}
.topic-nav b { display: block; font-size: 16px; margin-bottom: 4px; }
.topic-nav span { color: var(--muted); font-size: 13px; }
.grid-3, .grid-2, .grid-4, .module-grid, .case-grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4, .case-grid { grid-template-columns: repeat(4, 1fr); }
.module-grid { grid-template-columns: repeat(3, 1fr); }

.card, .shot, .tool, .panel {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card { overflow: hidden; display: flex; flex-direction: column; min-height: 100%; }
.card img, .shot img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.card-body, .shot div, .tool { padding: 16px 16px 18px; }
.card h3, .shot h3, .tool h3 { margin: 0 0 6px; font-size: 18px; }
.card p, .shot p, .tool p { margin: 0; color: var(--muted); font-size: 14px; }
.card:hover, .shot:hover, .tool:hover { transform: translateY(-2px); }
.card, .shot, .tool { transition: transform 0.2s ease; }

.kicker {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 650;
}

.module {
  background: #fff;
  border-radius: 16px;
  padding: 18px 16px;
  box-shadow: var(--shadow);
}
.module b { display: block; font-size: 16px; margin-bottom: 4px; }
.module span { color: var(--muted); font-size: 13px; }

.shot { overflow: hidden; display: block; }
.shot div { padding: 12px 12px 14px; }
.shot h3 { font-size: 15px; }
.shot p { font-size: 12px; }

.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 28px; align-items: center; }
.split img { width: 100%; border-radius: 24px; aspect-ratio: 4 / 5; object-fit: cover; box-shadow: var(--shadow); }
.points { display: grid; gap: 12px; margin-top: 18px; }
.points a, .points div {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  padding: 12px;
  background: #fff;
  border-radius: 16px;
}
.points b {
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center;
  background: var(--tint); color: var(--accent); font-size: 13px;
}
.points h3 { margin: 0 0 2px; font-size: 16px; }
.points p { margin: 0; color: var(--muted); font-size: 14px; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.steps.six { grid-template-columns: repeat(6, 1fr); }
.steps li { background: #fff; border-radius: 16px; padding: 16px; box-shadow: var(--shadow); }
.steps b { color: var(--accent); font-size: 13px; }
.steps h3 { margin: 8px 0 6px; font-size: 16px; }
.steps p { margin: 0; color: var(--muted); font-size: 13px; }

.cta-band {
  margin: 0 0 28px;
  color: #fff;
  background:
    radial-gradient(900px 280px at 90% 0%, rgba(20, 150, 142, 0.35), transparent 60%),
    var(--dark);
}
.cta-band .shell { padding: 56px 0; }
.cta-band h2 { font-size: clamp(28px, 4vw, 40px); margin: 0 0 8px; }
.cta-band p { color: rgba(255, 255, 255, 0.78); margin: 0 0 18px; }

.faq { display: grid; gap: 10px; }
.faq details { background: #fff; border-radius: 14px; padding: 4px 16px; box-shadow: var(--shadow); }
.faq summary { min-height: 48px; display: flex; align-items: center; cursor: pointer; font-weight: 630; }
.faq p { margin: 0 0 14px; color: var(--ink-2); }

.ad-hero {
  position: relative;
  height: 380px;
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
  background: #101413;
}
.ad-hero .hero-slide {
  opacity: 1;
  visibility: visible;
  transform: translate3d(100%, 0, 0);
  transition: transform 720ms cubic-bezier(.22, .61, .36, 1);
  z-index: 0;
}
.ad-hero .hero-slide.is-on { transform: translate3d(0, 0, 0); z-index: 2; }
.ad-hero .hero-slide.is-leave { transform: translate3d(-100%, 0, 0); z-index: 1; }
.ad-hero.is-back .hero-slide { transform: translate3d(-100%, 0, 0); }
.ad-hero.is-back .hero-slide.is-on { transform: translate3d(0, 0, 0); }
.ad-hero.is-back .hero-slide.is-leave { transform: translate3d(100%, 0, 0); }
.ad-hero.is-jump .hero-slide { transition: none; }
.ad-hero .hero-slide img { transform: none; transition: none; }
.ad-hero .hero-shade {
  background:
    linear-gradient(to top, rgba(8, 14, 13, 0.9) 0%, rgba(8, 14, 13, 0.42) 58%, rgba(8, 14, 13, 0.28) 100%),
    linear-gradient(to right, rgba(8, 14, 13, 0.55) 0%, rgba(8, 14, 13, 0.08) 70%, transparent 100%);
}
.ad-hero .hero-copy { padding: 0 0 22px; }
.ad-hero .eyebrow { color: #9dede8; }
.ad-hero h2 { font-size: clamp(28px, 4vw, 42px); line-height: 1.12; margin: 0 0 8px; max-width: 14em; color: #fff; }
.ad-hero .lede { color: rgba(255, 255, 255, 0.9); font-size: 16px; max-width: 36rem; }
.ad-more { display: inline-block; margin-top: 12px; color: #fff; font-weight: 650; border-bottom: 1px solid rgba(255,255,255,.55); }
.ad-hero .hero-bar { margin-top: 16px; }
.ad-hero + .page-intro { padding-top: 28px; }
.page-intro { padding: 36px 0 8px; }
.page-intro h1 { max-width: 16ch; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; padding-bottom: 4px; margin: 8px 0 18px; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  border: 0;
  background: rgba(118, 118, 128, 0.12);
  color: var(--ink);
  border-radius: 999px;
  min-height: 34px;
  padding: 0 14px;
  font-size: 14px;
  white-space: nowrap;
  cursor: pointer;
}
.chip.is-on { background: var(--ink); color: #fff; }

.ios-group { margin: 0 0 28px; }
.ios-group h2 { font-size: 22px; margin: 0 0 10px; }
.ios-list { list-style: none; margin: 0; padding: 0; background: #fff; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); }
.ios-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
  padding: 14px 16px;
  border-bottom: 0.5px solid var(--line);
}
.ios-list li:last-child { border-bottom: 0; }
.ios-list strong { font-size: 16px; font-weight: 640; }
.ios-list span { color: var(--muted); font-size: 14px; text-align: right; }

.note {
  background: var(--tint);
  color: #0d4f4c;
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 14px;
}

.timeline { list-style: none; margin: 0; padding: 0; background: #fff; border-radius: 16px; box-shadow: var(--shadow); }
.timeline li { display: grid; grid-template-columns: 72px 1fr; gap: 12px; padding: 16px; border-bottom: 0.5px solid var(--line); }
.timeline li:last-child { border-bottom: 0; }
.timeline b { color: var(--accent); }
.timeline p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }

.company { padding: 22px; }
.company h2 { margin: 0 0 8px; font-size: 22px; }
.company p { color: var(--ink-2); }

.form {
  display: grid;
  gap: 12px;
  background: #fff;
  border-radius: 20px;
  padding: 18px;
  box-shadow: var(--shadow);
}
label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); font-weight: 620; }
input, select, textarea {
  width: 100%;
  border: 0;
  background: #f2f2f7;
  border-radius: 12px;
  min-height: 44px;
  padding: 10px 12px;
  font-size: 16px;
  color: var(--ink);
}
textarea { min-height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form .btn { width: 100%; }
.contact-side { display: grid; gap: 12px; align-content: start; }
.contact-side a.tel { font-size: 28px; font-weight: 720; letter-spacing: -0.03em; color: var(--accent); }

.site-footer { padding: 28px 0 36px; color: var(--muted); font-size: 13px; }
.foot {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
  padding-top: 22px;
  border-top: 0.5px solid var(--line);
}
.site-footer h2, .site-footer h3 { color: var(--ink); font-size: 15px; margin: 0 0 8px; letter-spacing: 0; }
.site-footer a { display: inline-block; margin: 3px 12px 3px 0; }
.legal { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 18px; }

.wx-tab {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 50;
  height: calc(var(--tab) + var(--safe-b));
  padding-bottom: var(--safe-b);
  background: #f7f7f7;
  border-top: 0.5px solid #d9d9d9;
}
.wx-item { position: relative; flex: 1; min-width: 0; }
.wx-item + .wx-item { border-left: 0.5px solid #e5e5e5; }
.wx-hit {
  width: 100%;
  height: var(--tab);
  border: 0;
  background: transparent;
  color: #353535;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
}
a.wx-hit { display: grid; place-items: center; }
.wx-hit[aria-current="page"], .wx-item.is-open .wx-hit { color: var(--accent); font-weight: 650; }
.wx-pop {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 148px;
  background: #fff;
  border-radius: 8px;
  border: 0.5px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
  overflow: visible;
}
.wx-pop[hidden] { display: none; }
.wx-pop a {
  display: block;
  padding: 13px 16px;
  text-align: center;
  font-size: 15px;
  color: #353535;
  border-bottom: 0.5px solid #ededed;
  background: #fff;
}
.wx-pop a:first-child { border-radius: 8px 8px 0 0; }
.wx-pop a:last-child { border-bottom: 0; border-radius: 0 0 8px 8px; }
.wx-pop a[aria-current="page"] { color: var(--accent); font-weight: 650; }
.wx-pop::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 12px;
  height: 12px;
  background: #fff;
  border-right: 0.5px solid rgba(0, 0, 0, 0.08);
  border-bottom: 0.5px solid rgba(0, 0, 0, 0.08);
  transform: translateX(-50%) rotate(45deg);
}
.wx-item:first-child .wx-pop { left: 8px; transform: none; }
.wx-item:last-child .wx-pop { left: auto; right: 8px; transform: none; }
.wx-item:first-child .wx-pop::after { left: 36px; }
.wx-item:last-child .wx-pop::after { left: auto; right: 28px; }

@media (max-width: 900px) {
  .shell { width: min(1120px, calc(100% - 32px)); }
  .desk-nav, .desk-only { display: none; }
  .icon-btn { display: grid; }
  .wx-tab { display: flex; }
  body { padding-bottom: calc(var(--tab) + var(--safe-b) + 16px); }
  .grid-3, .grid-2, .grid-4, .module-grid, .case-grid, .steps, .split, .foot, .form-row {
    grid-template-columns: 1fr;
  }
  .case-grid { grid-template-columns: 1fr 1fr; }
  .topic-nav { grid-template-columns: 1fr 1fr; }
  .topic-nav a:last-child { grid-column: 1 / -1; }
  .hero { min-height: calc(100dvh - var(--tab) - var(--safe-b)); }
  .ad-hero { height: 320px; }
  .ad-hero .hero-copy { padding-bottom: 16px; }
  .ad-hero h2 { font-size: 26px; }
  .hero-copy { padding-bottom: 64px; }
  .hero-bar { max-width: none; }
  .hero h1 { font-size: 34px; max-width: 100%; }
  .section { padding: 48px 0; }
  .section-head { display: block; }
  .lift { margin-top: 0; }
  .ios-list li { display: block; }
  .ios-list span { display: block; text-align: left; margin-top: 4px; }
  .site-footer { padding-bottom: 12px; }
}

button.shot { width: 100%; border: 0; padding: 0; text-align: left; color: inherit; font: inherit; cursor: pointer; }
.cert-grid, .slide-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.cert-grid button, .slide-grid button {
  border: 0; padding: 8px; background: #fff; border-radius: 14px;
  box-shadow: var(--shadow); cursor: pointer; color: inherit; font: inherit;
}
.cert-grid img { width: 100%; aspect-ratio: 3 / 4; object-fit: contain; background: #f4f4f6; border-radius: 8px; }
.slide-grid img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 8px; }
.cert-grid span, .slide-grid span { display: block; margin-top: 6px; font-size: 12px; color: var(--muted); }
.play-card { cursor: pointer; }
.viewer {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(0, 0, 0, 0.92);
  display: grid; place-items: center;
}
.viewer[hidden] { display: none; }
.viewer-stage img, .viewer-stage video { max-width: min(1100px, 92vw); max-height: 78vh; border-radius: 12px; background: #000; }
.viewer-close, .viewer-nav {
  position: absolute; border: 0; color: #fff; background: rgba(255,255,255,.16);
  width: 44px; height: 44px; border-radius: 50%; font-size: 28px; cursor: pointer;
}
.viewer-close { top: calc(16px + var(--safe-t)); right: 16px; }
.viewer-nav.prev { left: 16px; top: 50%; }
.viewer-nav.next { right: 16px; top: 50%; }
.viewer-caption { position: absolute; left: 0; right: 0; bottom: calc(18px + var(--safe-b)); text-align: center; color: #fff; margin: 0; }
.case-sheet {
  position: fixed; inset: 0; z-index: 70; overflow: auto;
  background: var(--bg); padding-bottom: calc(24px + var(--safe-b));
}
.case-sheet[hidden] { display: none; }
.case-sheet-bar {
  position: sticky; top: 0; z-index: 2;
  display: flex; align-items: center; gap: 12px;
  min-height: calc(56px + var(--safe-t));
  padding: var(--safe-t) 16px 0 64px;
  background: rgba(242, 242, 247, 0.92);
  backdrop-filter: blur(16px);
}
.case-sheet-bar .viewer-close { position: absolute; left: 12px; top: calc(8px + var(--safe-t)); color: var(--ink); background: #fff; }
.case-sheet-body h2 { font-size: 22px; margin: 22px 0 10px; }
.case-sheet-body .plain-list { margin: 0 0 8px; padding-left: 18px; }
.case-sheet-body .plain-list li { margin: 8px 0; }
.mini-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.mini { border: 0; padding: 0; background: #fff; border-radius: 14px; overflow: hidden; cursor: pointer; text-align: left; color: inherit; font: inherit; box-shadow: var(--shadow); }
.mini img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; background: #111; }
.mini span { display: block; padding: 8px 10px 10px; font-size: 13px; }
body.is-locked { overflow: hidden; }
@media (max-width: 900px) {
  .cert-grid, .slide-grid { grid-template-columns: repeat(3, 1fr); }
  .mini-grid { grid-template-columns: repeat(2, 1fr); }
  .viewer-nav { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card, .shot, .tool, .hero-slide, .hero-slide img { transition: none; }
  .hero-dots button.is-on::after,
  .hero.is-swap [data-hero-kicker],
  .hero.is-swap [data-hero-title],
  .hero.is-swap [data-hero-lead] { animation: none; }
}