:root {
  --ink: #102933;
  --muted: #54676a;
  --teal: #075b60;
  --mint: #ddf3ed;
  --line: #d1d9d7;
  --paper: #f8f9f6;
  font-family: "Segoe UI", "Microsoft YaHei UI", "PingFang SC", sans-serif;
  color: var(--ink);
  background: white;
}
* { box-sizing: border-box; }
body { margin: 0; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 3px solid #16868a; outline-offset: 4px; }
.page-width { width: min(89%, 1300px); margin-inline: auto; }
.symbol-library { position: absolute; width: 0; height: 0; overflow: hidden; }
svg { width: 1.4em; height: 1.4em; fill: none; stroke: currentColor; stroke-width: 1.55; stroke-linecap: round; stroke-linejoin: round; }
.skip { position: absolute; top: -5em; left: 1em; background: white; padding: .6em; z-index: 2; }
.skip:focus { top: .5em; }
.topbar { border-bottom: 1px solid var(--line); background: inherit; }
.topbar-inner, .brand, .member { display: flex; align-items: center; }
.topbar-inner { min-height: 73px; gap: 20px; }
.brand { gap: 12px; font-size: clamp(22px, 2vw, 30px); text-decoration: none; letter-spacing: -.035em; }
.brand svg { width: 35px; height: 35px; stroke-width: 1.8; }
.brand-caption { border-left: 1px solid #91a19f; padding-left: 20px; font-size: clamp(15px, 1.4vw, 20px); }
.domain, .member { margin-left: auto; color: var(--muted); }
.domain { font-size: 16px; letter-spacing: .015em; }
.member { gap: 8px; max-width: 42%; font-size: 15px; }
.member span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.member svg { flex: none; }
.exit-form { border-left: 1px solid var(--line); padding-left: 14px; }
.exit-form button { border: 0; background: none; color: var(--muted); padding: 7px; }
.exit-form button:hover { color: var(--teal); text-decoration: underline; }
.landing { background: var(--paper); min-height: 100vh; }
.hero { display: grid; grid-template-columns: minmax(0,1.62fr) minmax(310px,1fr); gap: clamp(32px,6vw,100px); align-items: center; padding: clamp(42px,6vh,86px) 0 28px; }
.eyebrow { display: flex; align-items: center; gap: 16px; color: var(--teal); font-weight: 650; font-size: 13px; letter-spacing: .14em; margin: 0 0 20px; }
.eyebrow i, .accent { display: inline-block; width: 54px; height: 3px; background: var(--teal); }
.intro h1 { font-size: clamp(44px,4.6vw,78px); line-height: 1.13; letter-spacing: -.055em; margin: 0; }
.lead { color: var(--muted); font-size: clamp(16px,1.35vw,22px); line-height: 1.75; margin: 18px 0 8px; }
.intro figure { margin: 0; }
.intro img { width: 100%; height: auto; display: block; mask-image: linear-gradient(to right,transparent,#000 5%,#000 95%,transparent),linear-gradient(to bottom,transparent,#000 1%,#000 99%,transparent); mask-composite: intersect; }
.structure-viewport { overflow: hidden; border-radius: 10px; touch-action: pan-y; }
.structure-track { display: grid; grid-auto-flow: column; grid-auto-columns: 100%; transition: transform .78s cubic-bezier(.22,.68,0,1); }
.structure-slide { min-width: 0; }
.structure-slide img { aspect-ratio: 1860 / 845; object-fit: contain; user-select: none; }
.structure-controls { display: flex; align-items: center; justify-content: space-between; padding-top: 4px; }
.structure-controls[hidden] { display: none; }
.structure-dots, .structure-arrows { display: flex; align-items: center; }
.structure-arrows { gap: 8px; }
.structure-controls button { display: grid; place-items: center; padding: 0; border: 0; color: var(--teal); }
.structure-dot { width: 28px; height: 36px; background: transparent; border-radius: 18px; }
.structure-dot span { width: 7px; height: 7px; border-radius: 50%; background: #b3c2c0; transition: transform .25s, background .25s; }
.structure-dot[aria-pressed="true"] span { background: var(--teal); transform: scale(1.45); }
.structure-arrow { width: 36px; height: 36px; border-radius: 10px; background: #e7eeeb; transition: background .2s; }
.structure-arrow:hover { background: #d7e7e1; }
.structure-arrow svg { width: 16px; height: 16px; }
@media (prefers-reduced-motion: reduce) {
  .structure-track { transition-duration: .12s; }
  .structure-dot span { transition: none; }
}
.login-card { background: #fff; border: 1px solid #cbd4d2; border-radius: 15px; padding: clamp(24px,3vw,46px); }
.kicker, .helper, .login-note { color: var(--muted); }
.kicker { font-size: 15px; margin: 0 0 10px; }
.login-card h2 { margin: 0; font-size: clamp(29px,2.5vw,42px); letter-spacing: -.035em; }
.helper { margin: 10px 0 25px; font-size: 15px; line-height: 1.6; }
.login-card label { display: block; margin: 18px 0 7px; font-weight: 600; font-size: 15px; }
.login-card input { width: 100%; padding: 11px 13px; min-height: 45px; border: 1px solid #9ba9a9; background: white; border-radius: 5px; color: var(--ink); }
.primary { background: var(--teal); color: white; border: 0; width: 100%; min-height: 47px; margin-top: 25px; border-radius: 6px; font-weight: 650; }
.primary:hover { background: #06464c; }
.primary:disabled { opacity: .58; cursor: wait; }
.login-note { text-align: center; font-size: 13px; margin: 20px 0 0; }
.error { margin: 12px 0 0; font-size: 14px; color: #a13328; }
.process { list-style: none; margin: 12px 0 0; padding: 20px 0 32px; border-top: 1px solid #a5b3b1; display: grid; grid-template-columns: repeat(5,1fr); }
.process li { display: flex; align-items: center; gap: 10px; padding-left: 14%; border-left: 1px solid var(--line); font-weight: 600; white-space: nowrap; }
.process li:first-child { border: 0; padding-left: 0; }
.process b { color: var(--teal); font-size: clamp(20px,2vw,31px); font-variant-numeric: tabular-nums; }
.catalogue { padding-block: 33px 50px; }
.workspace-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; padding-bottom: 21px; }
.workspace-heading h1, .denied h1 { font-size: clamp(34px,3.5vw,54px); margin: 6px 0 0; letter-spacing: -.045em; line-height: 1.25; }
.accent { height: 3px; width: 47px; }
.legend { display: flex; gap: 17px; padding: 0; margin: 0 0 5px; list-style: none; font-size: 13px; color: var(--muted); }
.legend li { display: flex; align-items: center; gap: 6px; }
.management-shortcut { margin: 0 0 18px; }
.management-shortcut a { display: inline-block; border: 1px solid var(--line); border-radius: 5px; padding: 5px 14px; color: var(--teal); font-size: 14px; text-decoration: none; }
.management-shortcut a:hover, .management-shortcut a:focus-visible { border-color: var(--teal); }
.swatch, .legend svg { width: 14px; height: 14px; border-radius: 3px; }
.swatch.on { background: var(--teal); }
.swatch.off { background: #dbe0e0; }
.category { border-top: 1px solid var(--line); padding-block: 15px 19px; }
.category h2 { display: flex; align-items: center; gap: 11px; font-size: clamp(18px,1.65vw,25px); margin: 0 0 12px; }
.category h2::before { content: ""; width: 29px; height: 3px; border-radius: 2px; background: var(--teal); }
.module-grid { display: grid; grid-template-columns: repeat(5,minmax(124px, min(16.3%,174px))); gap: clamp(10px,1.2vw,20px); }
.tile { display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: 8px; aspect-ratio: 1; min-width: 0; padding: clamp(12px,1.3vw,20px); border: 1px solid transparent; border-radius: 7px; text-decoration: none; }
.tile-icon { width: clamp(27px,2.5vw,37px); height: clamp(27px,2.5vw,37px); flex: none; }
.tile strong { font-size: clamp(15px,1.28vw,20px); line-height: 1.3; overflow-wrap: anywhere; text-wrap: balance; }
.tile-action { display: flex; align-items: center; gap: 7px; font-size: clamp(12px,1.05vw,15px); margin-top: auto; }
.tile-action svg { width: 1em; height: 1em; }
.tile.enabled { background: var(--mint); color: #154c4e; }
.tile-battery.enabled, .tile-file.enabled { background: var(--teal); color: white; }
.tile.enabled:hover { border-color: currentColor; box-shadow: 0 3px 9px #173c3c14; }
.tile.planned { background: #e0e3e3; color: #536166; }
.tile.locked, .tile.pending { background: #fff; color: var(--muted); border-color: #aebabc; }
.denied { padding-block: 80px; }
.return-link { display: inline-block; margin-top: 10px; color: var(--teal); font-weight: 600; }
.site-filing { padding-block: 18px 24px; border-top: 1px solid var(--line); text-align: center; color: var(--muted); font-size: 13px; line-height: 1.6; }
.site-filing a { color: inherit; text-decoration: none; }
.site-filing a:hover, .site-filing a:focus-visible { color: var(--teal); text-decoration: underline; }
@media (max-width: 800px) {
  .page-width { width: 92%; }
  .hero { gap: 24px; grid-template-columns: minmax(0,1.25fr) minmax(260px,1fr); }
  .process li { padding-left: 7%; gap: 5px; font-size: 13px; }
  .module-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
}
@media (max-width: 620px) {
  .topbar-inner { min-height: 61px; gap: 10px; }
  .brand { gap: 6px; }
  .brand svg { width: 26px; height: 26px; }
  .brand-caption { padding-left: 10px; font-size: 13px; }
  .domain { display: none; }
  .member { font-size: 12px; gap: 3px; max-width: 26%; }
  .exit-form { padding-left: 3px; }
  .hero { grid-template-columns: 1fr; gap: 22px; padding-top: 32px; }
  .intro h1 { font-size: 42px; }
  .eyebrow { margin-bottom: 12px; }
  .lead { margin-top: 10px; }
  .intro img { max-width: 435px; }
  .login-card { padding: 22px; }
  .process { grid-template-columns: repeat(auto-fit,minmax(89px,1fr)); gap: 12px; }
  .process li { border: 0; padding: 0; }
  .workspace-heading { display: block; }
  .legend { margin: 10px 0 0; flex-wrap: wrap; }
  .module-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; }
  .tile { padding: 10px; gap: 5px; }
}
@media (max-width: 420px) {
  .module-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .tile { padding: 15px; }
}