:root {
  --cyan: #46e7f2;
  --cyan-soft: #9af7ff;
  --blue: #6c93ff;
  --orange: #ff9a5a;
  --gold: #f4b942;
  --ink: #e9fbff;
  --muted: #7893a2;
  --panel: rgba(4, 16, 26, .86);
  --pointer-x: 50%;
  --pointer-y: 50%;
  --ease-premium: cubic-bezier(.16, 1, .3, 1);
}

* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; overflow: hidden; }
body {
  margin: 0;
  color: var(--ink);
  background: #02070d;
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  isolation: isolate;
}
button, input, select, textarea { font: inherit; }
button { color: inherit; }

#galaxy { position: fixed; inset: 0; width: 100%; height: 100%; display: block; cursor: grab; touch-action: none; transition: opacity .9s var(--ease-premium), filter .9s var(--ease-premium); }
#galaxy.dragging { cursor: grabbing; }
.space-vignette { position: fixed; z-index: 2; inset: 0; pointer-events: none; background: radial-gradient(circle at center, transparent 33%, rgba(0,0,0,.25) 72%, rgba(0,0,0,.72) 100%); }
.space-vignette::before { content: ""; position: absolute; inset: 0; opacity: .5; background: radial-gradient(circle 32vw at var(--pointer-x) var(--pointer-y), rgba(78,219,237,.065), transparent 72%); transition: opacity .4s ease; }
.space-vignette::after { content: ""; position: absolute; inset: 0; opacity: .018; background: repeating-linear-gradient(180deg, rgba(160,238,245,.18) 0 1px, transparent 1px 4px); mix-blend-mode: soft-light; }
body:not(.ui-ready) #galaxy { opacity: .58; filter: saturate(.72) blur(1.4px); }
body.ui-ready #galaxy { opacity: 1; filter: saturate(1) blur(0); }
body.is-transitioning #galaxy { filter: saturate(1.12) contrast(1.035); }

.topbar { position: fixed; z-index: 20; left: 0; right: 0; top: 0; height: 82px; padding: 0 34px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(134,231,241,.11); background: linear-gradient(to bottom, rgba(2,9,15,.9), rgba(2,9,15,.18) 72%, transparent); backdrop-filter: blur(16px) saturate(1.12); }
.brand { display: inline-flex; align-items: center; gap: 11px; color: #fff; text-decoration: none; }
.brand-mark { width: 48px; height: 48px; display: grid; place-items: center; overflow: hidden; border: 1px solid rgba(255,255,255,.16); border-radius: 14px; background: rgba(255,255,255,.035); box-shadow: 0 10px 30px rgba(0,0,0,.3), inset 0 0 24px rgba(255,255,255,.025); transition: transform .35s var(--ease-premium), border-color .35s ease, box-shadow .35s ease; }
.brand:hover .brand-mark { transform: translateY(-1px) rotate(-2deg); border-color: rgba(154,247,255,.36); box-shadow: 0 12px 35px rgba(0,0,0,.34), 0 0 28px rgba(70,231,242,.08); }
.brand-mark img { width: 42px; height: auto; display: block; object-fit: contain; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 19px; line-height: 1.1; letter-spacing: .08em; }
.brand small { margin-top: 5px; color: #63818f; font-size: 8px; letter-spacing: .18em; }
.top-actions { display: flex; align-items: center; gap: 8px; }
.top-actions button { min-height: 38px; padding: 8px 14px; border: 1px solid transparent; border-radius: 999px; background: transparent; color: #9eb2bc; font-size: 12px; cursor: pointer; transition: color .25s ease, border-color .25s ease, background .25s ease, transform .25s var(--ease-premium), box-shadow .25s ease; }
.top-actions button:hover { color: #fff; border-color: rgba(255,255,255,.15); background: rgba(255,255,255,.04); }
.top-actions button:hover { transform: translateY(-1px); }
.top-actions button:focus-visible, .panel-close:focus-visible, .modal-close:focus-visible { outline: 1px solid rgba(154,247,255,.9); outline-offset: 3px; }
.top-actions .feature-action { --feature-color: var(--cyan); position: relative; display: inline-flex; align-items: center; gap: 8px; overflow: hidden; border-color: color-mix(in srgb, var(--feature-color) 32%, transparent); background: linear-gradient(135deg, color-mix(in srgb, var(--feature-color) 13%, transparent), rgba(255,255,255,.018)); color: #e8fbff; box-shadow: inset 0 1px 0 rgba(255,255,255,.05), 0 8px 28px rgba(0,0,0,.16); }
.top-actions .feature-action::before { content: ""; position: absolute; inset: 0; transform: translateX(-110%); background: linear-gradient(100deg, transparent, color-mix(in srgb, var(--feature-color) 16%, transparent), transparent); transition: transform .45s ease; }
.top-actions .feature-action:hover { border-color: color-mix(in srgb, var(--feature-color) 60%, transparent); box-shadow: 0 0 25px color-mix(in srgb, var(--feature-color) 12%, transparent); }
.top-actions .feature-action:hover::before { transform: translateX(110%); }
.top-actions .equipment-action { --feature-color: #f4b942; }
.top-actions .regulation-action { --feature-color: #66e9ff; }
.feature-dot { position: relative; z-index: 1; width: 5px; height: 5px; flex: 0 0 auto; border-radius: 50%; background: var(--feature-color); box-shadow: 0 0 10px var(--feature-color); }
.feature-action .action-text { position: relative; z-index: 1; }
.top-actions .primary-action { padding-inline: 18px; color: #031015; background: linear-gradient(110deg, #a7faff, var(--cyan)); font-weight: 800; box-shadow: 0 8px 28px rgba(70,231,242,.17); }
.top-actions .primary-action:hover { color: #020b10; border-color: transparent; background: linear-gradient(110deg, #d2fdff, #65edf6); box-shadow: 0 10px 34px rgba(70,231,242,.26); }
.top-actions #tour-toggle.active { color: #d9fdff; border-color: rgba(70,231,242,.24); background: rgba(70,231,242,.07); }
.top-actions #tour-toggle.active .action-icon { animation: tourPulse 1.7s ease-in-out infinite; }
.action-icon { margin-right: 6px; color: var(--cyan); font-size: 9px; }

.intro-copy { position: fixed; z-index: 8; left: 5.5vw; top: 22vh; pointer-events: none; text-shadow: 0 3px 25px rgba(0,0,0,.6); transition: opacity .4s var(--ease-premium), visibility .4s ease, transform .65s var(--ease-premium); }
.intro-copy.faded { opacity: 0; visibility: hidden; }
.intro-copy > p { margin: 0 0 16px; color: var(--cyan); font: 10px ui-monospace, Consolas, monospace; letter-spacing: .2em; }
.intro-copy h1 { margin: 0; font-size: clamp(35px, 3.8vw, 56px); line-height: 1.14; letter-spacing: -.045em; }
.intro-copy h1 span { color: transparent; background: linear-gradient(90deg, #fff0a8, #f4b942 72%, #ffd977); -webkit-background-clip: text; background-clip: text; filter: drop-shadow(0 0 18px rgba(244,185,66,.18)); }
.intro-status { margin-top: 24px; display: flex; align-items: center; gap: 9px; color: #6d8997; font-size: 11px; letter-spacing: .06em; }
.intro-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: statusPulse 2.4s ease-in-out infinite; }

.coordinate-readout { position: fixed; z-index: 8; left: 34px; bottom: 118px; padding-left: 15px; border-left: 1px solid rgba(70,231,242,.55); pointer-events: none; }
.coordinate-readout span, .coordinate-readout strong, .coordinate-readout small { display: block; }
.coordinate-readout span { color: #4f6c79; font: 9px ui-monospace, monospace; letter-spacing: .15em; }
.coordinate-readout strong { margin-top: 4px; font-size: 14px; }
.coordinate-readout small { margin-top: 4px; color: #57717e; font: 9px ui-monospace, monospace; }

.zoom-control { position: fixed; z-index: 15; right: 28px; top: 50%; transform: translateY(-50%); display: grid; justify-items: center; gap: 10px; }
.zoom-control button { width: 30px; height: 30px; padding: 0; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; background: rgba(5,18,28,.55); color: #a8c4cf; cursor: pointer; }
.zoom-control button:hover { color: var(--cyan); border-color: rgba(70,231,242,.5); }
.zoom-track { position: relative; width: 2px; height: 190px; overflow: hidden; background: rgba(255,255,255,.17); }
.zoom-track i { position: absolute; left: 0; right: 0; bottom: 0; height: 45%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }

.sector-nav { position: fixed; z-index: 16; left: 50%; bottom: 20px; transform: translateX(-50%); width: min(980px, calc(100% - 180px)); display: grid; grid-template-columns: repeat(5, 1fr); overflow: hidden; border: 1px solid rgba(125,210,222,.28); border-radius: 14px; background: linear-gradient(180deg, rgba(7,24,35,.9), rgba(2,12,20,.94)); backdrop-filter: blur(22px) saturate(1.12); box-shadow: 0 24px 70px rgba(0,0,0,.46), inset 0 1px 0 rgba(255,255,255,.055), 0 0 0 1px rgba(70,231,242,.025); }
.sector-nav::before { content: ""; position: absolute; z-index: 2; left: 8%; right: 8%; top: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(154,247,255,.62), transparent); pointer-events: none; }
.sector-nav button { position: relative; min-height: 76px; padding: 13px 18px; display: grid; grid-template-columns: 28px 1fr; grid-template-rows: 1fr 1fr; align-items: center; text-align: left; border: 0; border-right: 1px solid rgba(255,255,255,.08); background: transparent; cursor: pointer; transition: background .3s ease, transform .3s var(--ease-premium); }
.sector-nav button:last-child { border-right: 0; }
.sector-nav button::before { content: ""; position: absolute; left: 50%; top: 14px; width: 40%; height: 1px; transform: translateX(-50%) scaleX(0); background: linear-gradient(90deg, transparent, rgba(154,247,255,.8), transparent); opacity: 0; transition: transform .35s var(--ease-premium), opacity .35s ease; }
.sector-nav button::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 0; height: 2px; transform: scaleX(0); background: var(--cyan); box-shadow: 0 0 14px var(--cyan), 0 -8px 24px rgba(70,231,242,.12); transition: transform .35s var(--ease-premium); }
.sector-nav button:hover, .sector-nav button.active { background: linear-gradient(180deg, rgba(70,231,242,.14), rgba(70,231,242,.03)); }
.sector-nav button:hover { transform: translateY(-1px); }
.sector-nav button:focus-visible { outline: 1px solid rgba(70,231,242,.8); outline-offset: -1px; }
.sector-nav button.active::after { transform: scaleX(1); }
.sector-nav button.active::before { transform: translateX(-50%) scaleX(1); opacity: 1; }
.sector-nav span { grid-row: 1 / 3; color: #668592; font: 10px ui-monospace, monospace; }
.sector-nav strong { color: #f1fdff; font-size: 15px; font-weight: 700; letter-spacing: .04em; }
.sector-nav small { color: #89a5b0; font-size: 11px; }
.sector-nav button.active strong { color: #fff; text-shadow: 0 0 18px rgba(154,247,255,.28); }
.sector-nav button.active small { color: #8ddce4; }

.orientation { position: fixed; z-index: 8; right: 25px; bottom: 116px; display: grid; justify-items: center; gap: 5px; color: #7895a1; font: 8px ui-monospace, monospace; letter-spacing: .15em; pointer-events: none; }
.orientation span { color: var(--cyan); font-size: 11px; }
.orientation i { width: 1px; height: 34px; background: linear-gradient(var(--cyan), transparent); }

.detail-panel { --node-color: #46e7f2; position: fixed; z-index: 25; top: 104px; right: 34px; width: clamp(390px, 44vw, 580px); max-height: calc(100vh - 220px); padding: 30px; overflow: auto; transform: translate3d(calc(100% + 60px), 0, 0) scale(.985); opacity: 0; border: 1px solid color-mix(in srgb, var(--node-color) 28%, transparent); border-radius: 18px; background: radial-gradient(circle at 82% 9%, color-mix(in srgb, var(--node-color) 9%, transparent), transparent 31%), linear-gradient(145deg, rgba(7,25,37,.94), rgba(3,14,23,.91)); backdrop-filter: blur(28px) saturate(1.18); box-shadow: 0 36px 110px rgba(0,0,0,.52), inset 0 1px 0 rgba(255,255,255,.055), inset 0 0 70px color-mix(in srgb, var(--node-color) 3%, transparent); transition: transform .5s var(--ease-premium), opacity .38s ease, border-color .35s ease; will-change: transform, opacity; }
.detail-panel::before { content: ""; position: absolute; z-index: 0; left: 24px; right: 24px; top: 0; height: 1px; background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--node-color) 80%, #fff), transparent); box-shadow: 0 0 24px color-mix(in srgb, var(--node-color) 28%, transparent); }
.detail-panel::after { content: ""; position: absolute; z-index: 0; inset: 0; opacity: .32; border-radius: inherit; pointer-events: none; background-image: linear-gradient(color-mix(in srgb, var(--node-color) 4%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--node-color) 4%, transparent) 1px, transparent 1px); background-size: 34px 34px; mask-image: linear-gradient(to bottom, #000, transparent 38%); }
.detail-panel > * { position: relative; z-index: 1; }
.detail-panel { scrollbar-width: thin; scrollbar-color: rgba(91,154,166,.55) rgba(0,0,0,.16); }
.detail-panel::-webkit-scrollbar { width: 8px; }
.detail-panel::-webkit-scrollbar-track { background: rgba(0,0,0,.16); }
.detail-panel::-webkit-scrollbar-thumb { border: 2px solid transparent; border-radius: 999px; background: rgba(91,154,166,.55); background-clip: padding-box; }
.detail-panel.open { transform: translate3d(0, 0, 0) scale(1); opacity: 1; }
.panel-close { position: sticky; z-index: 5; top: -18px; float: right; width: 40px; height: 40px; margin: -13px -14px -6px 12px; border: 1px solid rgba(255,255,255,.075); border-radius: 50%; background: rgba(4,16,26,.74); backdrop-filter: blur(12px); color: #73909d; font-size: 24px; cursor: pointer; transition: color .25s ease, border-color .25s ease, transform .25s var(--ease-premium); }
.panel-close:hover { transform: rotate(5deg); color: #fff; border-color: color-mix(in srgb, var(--node-color) 42%, transparent); }
.panel-code { margin: 0 0 20px; color: color-mix(in srgb, var(--node-color) 78%, #fff); font: 9px ui-monospace, monospace; letter-spacing: .2em; }
.detail-panel h2 { margin: 0; font-size: 32px; text-shadow: 0 0 28px color-mix(in srgb, var(--node-color) 15%, transparent); }
.panel-media { position: relative; aspect-ratio: 16 / 9; margin: 22px 0; overflow: hidden; border: 1px solid color-mix(in srgb, var(--node-color) 30%, transparent); border-radius: 11px; background: #06131d; }
.panel-media img { width: 100%; height: 100%; display: block; object-fit: cover; }
.panel-media-placeholder { position: absolute; inset: 0; padding: 18px; display: flex; flex-direction: column; justify-content: flex-end; background: radial-gradient(circle at 72% 28%, color-mix(in srgb, var(--node-color) 28%, transparent), transparent 35%), linear-gradient(135deg, rgba(255,255,255,.035), transparent 48%), repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0 1px, transparent 1px 28px), repeating-linear-gradient(rgba(255,255,255,.02) 0 1px, transparent 1px 28px); }
.panel-media-placeholder[hidden] { display: none; }
.panel-media-placeholder span { color: color-mix(in srgb, var(--node-color) 72%, #fff); font: 8px ui-monospace, monospace; letter-spacing: .2em; }
.panel-media-placeholder strong { margin-top: 7px; color: #effcff; font-size: 18px; letter-spacing: .04em; }
.panel-section-title { margin: 18px 0 0; color: color-mix(in srgb, var(--node-color) 72%, #fff); font: 9px ui-monospace, monospace; letter-spacing: .18em; }
.panel-description { margin: 16px 0; color: #91aab5; font-size: 14px; line-height: 1.8; }
.detail-panel ul { margin: 22px 0 26px; padding: 0; color: #c5d8df; font-size: 14px; line-height: 1.65; list-style: none; }
.detail-panel li { margin: 9px 0; }
.detail-panel li::before { content: "—"; margin-right: 10px; color: var(--node-color); }
.panel-cta { position: sticky; z-index: 4; bottom: -20px; width: 100%; padding: 14px 16px; display: flex; justify-content: space-between; border: 1px solid color-mix(in srgb, var(--node-color) 42%, transparent); border-radius: 9px; background: linear-gradient(110deg, color-mix(in srgb, var(--node-color) 17%, rgba(4,16,26,.96)), rgba(4,16,26,.96)); backdrop-filter: blur(16px); color: color-mix(in srgb, var(--node-color) 72%, #fff); box-shadow: 0 -18px 36px rgba(3,14,23,.86), inset 0 1px 0 rgba(255,255,255,.045); font-size: 12px; cursor: pointer; transition: transform .25s var(--ease-premium), border-color .25s ease, color .25s ease; }
.panel-cta:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--node-color) 72%, transparent); color: #fff; }
.detail-panel.content-ready .panel-code { animation: panelContentIn .42s .04s both var(--ease-premium); }
.detail-panel.content-ready h2 { animation: panelContentIn .46s .08s both var(--ease-premium); }
.detail-panel.content-ready .panel-media { animation: panelContentIn .5s .12s both var(--ease-premium); }
.detail-panel.content-ready .panel-section-title, .detail-panel.content-ready .panel-description, .detail-panel.content-ready ul, .detail-panel.content-ready .panel-cta { animation: panelContentIn .46s .16s both var(--ease-premium); }

.hover-label { position: fixed; z-index: 30; min-width: 118px; padding: 8px 11px; transform: translate(14px, -50%); border: 1px solid rgba(70,231,242,.3); border-radius: 7px; background: linear-gradient(135deg, rgba(5,22,33,.96), rgba(2,12,20,.9)); color: #dffcff; font: 10px ui-monospace, monospace; letter-spacing: .05em; pointer-events: none; white-space: nowrap; box-shadow: 0 10px 32px rgba(0,0,0,.42), inset 0 1px 0 rgba(255,255,255,.04); animation: hoverLabelIn .18s both var(--ease-premium); }

.start-screen { position: fixed; z-index: 100; inset: 0; display: grid; place-items: center; overflow: hidden; background: radial-gradient(circle at center, rgba(12,58,77,.58), rgba(1,6,10,.96) 56%, #010407 100%); transition: opacity .95s var(--ease-premium), visibility .95s ease; }
.start-screen.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.start-screen::before { content: ""; position: absolute; inset: 0; opacity: .23; background-image: linear-gradient(rgba(93,209,219,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(93,209,219,.12) 1px, transparent 1px); background-size: 70px 70px; mask-image: radial-gradient(circle, black, transparent 70%); }
.start-screen::after { content: ""; position: absolute; left: 50%; top: 50%; width: 18vw; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 50%; background: radial-gradient(circle, rgba(154,247,255,.19), rgba(70,231,242,.06) 36%, transparent 72%); filter: blur(3px); animation: startCore 4.5s ease-in-out infinite; }
.start-content { position: relative; z-index: 2; text-align: center; transition: opacity .55s ease, transform .85s var(--ease-premium), filter .7s ease; }
.start-screen.launching .start-content { opacity: 0; transform: scale(1.045); filter: blur(5px); }
.start-kicker { color: var(--cyan); font: 9px ui-monospace, monospace; letter-spacing: .28em; }
.start-content h2 { margin: 18px 0 0; font-size: clamp(48px, 7vw, 92px); line-height: 1.05; letter-spacing: -.055em; }
.start-content h2 em { color: transparent; background: linear-gradient(90deg, #fff0a8, #f4b942 72%, #ffd977); -webkit-background-clip: text; background-clip: text; font-style: normal; filter: drop-shadow(0 0 22px rgba(244,185,66,.2)); }
.start-content p { margin: 25px 0; color: #718c99; font-size: 14px; line-height: 1.9; }
#enter-button { margin: 5px auto 16px; padding: 6px 24px 6px 6px; display: flex; align-items: center; gap: 13px; border: 1px solid rgba(70,231,242,.42); border-radius: 999px; background: rgba(31,184,201,.08); cursor: pointer; box-shadow: inset 0 1px 0 rgba(255,255,255,.05); transition: transform .3s var(--ease-premium), border-color .3s ease, background .3s ease, box-shadow .3s ease; }
#enter-button:hover { transform: translateY(-2px) scale(1.015); border-color: rgba(154,247,255,.72); background: rgba(31,184,201,.14); box-shadow: 0 14px 42px rgba(28,193,209,.16), inset 0 1px 0 rgba(255,255,255,.08); }
#enter-button i { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; background: var(--cyan); color: #021015; font-size: 11px; font-style: normal; box-shadow: 0 0 30px rgba(70,231,242,.35); transition: transform .35s var(--ease-premium), box-shadow .35s ease; }
#enter-button:hover i { transform: rotate(12deg) scale(1.05); box-shadow: 0 0 42px rgba(70,231,242,.52); }
#enter-button span { color: #d6fbff; font-weight: 700; letter-spacing: .05em; }
.start-content > small { display: block; color: #3e5966; font-size: 10px; }
.start-orbit { position: absolute; border: 1px solid rgba(70,231,242,.12); border-radius: 50%; box-shadow: inset 0 0 80px rgba(70,231,242,.018), 0 0 70px rgba(70,231,242,.018); animation: orbitPulse 4s ease-in-out infinite; transition: transform .9s var(--ease-premium), opacity .7s ease; }
.start-screen.launching .start-orbit { transform: scale(.68); opacity: 0; }
.orbit-a { width: min(80vw, 900px); height: min(80vw, 900px); }
.orbit-b { width: min(55vw, 620px); height: min(55vw, 620px); animation-delay: -2s; }
@keyframes orbitPulse { 0%,100% { transform: scale(.96); opacity: .5; } 50% { transform: scale(1.04); opacity: 1; } }
@keyframes startCore { 0%,100% { transform: translate(-50%, -50%) scale(.88); opacity: .55; } 50% { transform: translate(-50%, -50%) scale(1.16); opacity: 1; } }
@keyframes statusPulse { 0%,100% { opacity: .55; transform: scale(.82); } 50% { opacity: 1; transform: scale(1.16); } }
@keyframes tourPulse { 0%,100% { opacity: .55; text-shadow: 0 0 0 transparent; } 50% { opacity: 1; text-shadow: 0 0 12px var(--cyan); } }
@keyframes panelContentIn { from { opacity: 0; transform: translateY(10px); filter: blur(3px); } to { opacity: 1; transform: translateY(0); filter: blur(0); } }
@keyframes hoverLabelIn { from { opacity: 0; transform: translate(8px, -50%) scale(.96); } to { opacity: 1; transform: translate(14px, -50%) scale(1); } }
.start-screen.launching .start-orbit { animation: none; }

.modal { position: fixed; z-index: 80; inset: 0; padding: 30px; display: grid; place-items: center; opacity: 0; visibility: hidden; background: radial-gradient(circle at 50% 40%, rgba(17,63,76,.13), transparent 42%), rgba(0,5,9,.78); backdrop-filter: blur(16px) saturate(.9); transition: opacity .3s ease, visibility .3s ease; }
.modal.open { opacity: 1; visibility: visible; }
.modal-card { position: relative; width: min(650px, 100%); max-height: calc(100vh - 60px); padding: 44px; overflow: auto; transform: translateY(24px) scale(.985); border: 1px solid rgba(70,231,242,.21); border-radius: 20px; background: radial-gradient(circle at 82% 8%, rgba(70,231,242,.07), transparent 27%), linear-gradient(145deg, #071824, #04111a 68%); box-shadow: 0 38px 120px rgba(0,0,0,.62), inset 0 1px 0 rgba(255,255,255,.045); transition: transform .42s var(--ease-premium); }
.modal-card { scrollbar-width: thin; scrollbar-color: rgba(91,154,166,.55) rgba(0,0,0,.16); }
.modal-card::-webkit-scrollbar { width: 8px; }
.modal-card::-webkit-scrollbar-track { background: rgba(0,0,0,.16); }
.modal-card::-webkit-scrollbar-thumb { border: 2px solid transparent; border-radius: 999px; background: rgba(91,154,166,.55); background-clip: padding-box; }
.modal.open .modal-card { transform: translateY(0) scale(1); }
.modal-close { position: absolute; right: 18px; top: 15px; width: 36px; height: 36px; border: 0; background: transparent; color: #718c99; font-size: 26px; cursor: pointer; }
.modal-kicker { margin: 0 0 16px; color: var(--cyan); font: 9px ui-monospace, monospace; letter-spacing: .2em; }
.modal-card h2 { margin: 0 0 24px; font-size: 34px; }
.about-card { width: min(940px, 100%); }
.about-card > p:not(.modal-kicker) { color: #91a8b3; line-height: 1.9; }
.about-lines { margin-top: 30px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.about-lines span { padding: 15px; border: 1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.025); font-size: 13px; }
.about-lines b { margin-right: 14px; color: var(--cyan); font: 10px ui-monospace, monospace; }
.about-location-card { margin-top: 28px; display: grid; grid-template-columns: minmax(190px, .82fr) 1.18fr; overflow: hidden; border: 1px solid rgba(70,231,242,.18); border-radius: 14px; background: rgba(255,255,255,.018); }
.location-media { min-width: 0; border-right: 1px solid rgba(70,231,242,.11); background: #071721; }
.location-visual { position: relative; min-height: 190px; overflow: hidden; background: radial-gradient(circle at 62% 46%, rgba(70,231,242,.2), transparent 8%), linear-gradient(140deg, rgba(70,231,242,.08), rgba(6,20,31,.4)), repeating-linear-gradient(0deg, rgba(110,213,224,.08) 0 1px, transparent 1px 29px), repeating-linear-gradient(90deg, rgba(110,213,224,.08) 0 1px, transparent 1px 29px); }
.location-map { position: absolute; z-index: 0; inset: 0; width: 100%; height: 100%; display: block; object-fit: cover; opacity: .58; filter: saturate(.72) contrast(1.12) brightness(.7); }
.location-map[hidden] { display: none; }
.location-visual::before { content: ""; position: absolute; z-index: 1; width: 210px; height: 210px; left: 54%; top: 45%; transform: translate(-50%, -50%); border: 1px solid rgba(70,231,242,.13); border-radius: 50%; box-shadow: 0 0 0 28px rgba(70,231,242,.025), 0 0 0 58px rgba(70,231,242,.018); }
.location-visual > :not(.location-map) { z-index: 2; }
.location-coordinate { position: absolute; left: 14px; top: 13px; color: #628592; font: 8px ui-monospace, monospace; letter-spacing: .12em; }
.location-route { position: absolute; display: block; height: 1px; transform-origin: left center; background: linear-gradient(90deg, transparent, rgba(244,185,66,.8), transparent); }
.route-a { width: 190px; left: 10px; top: 68%; transform: rotate(-24deg); }
.route-b { width: 150px; left: 34%; top: 24%; transform: rotate(64deg); }
.location-pin { position: absolute; left: 25%; top: 51%; width: 13px; height: 13px; transform: translate(-50%, -50%) rotate(45deg); border: 2px solid #031015; border-radius: 50% 50% 50% 0; background: #f4b942; box-shadow: 0 0 0 5px rgba(244,185,66,.15), 0 0 22px rgba(244,185,66,.55); }
.company-map-label { position: absolute; left: calc(25% + 13px); top: calc(51% - 18px); max-width: 155px; padding: 6px 8px; border: 1px solid rgba(244,185,66,.34); border-radius: 5px; background: rgba(3,14,21,.88); color: #fff3bd; font-size: 9px; font-weight: 700; line-height: 1.35; box-shadow: 0 8px 20px rgba(0,0,0,.28); }
.location-visual small { position: absolute; left: 14px; bottom: 13px; color: #9ac0c8; font: 8px ui-monospace, monospace; letter-spacing: .18em; }
.map-source { padding: 8px 11px; display: block; border-top: 1px solid rgba(70,231,242,.11); color: #7899a4; font-size: 8px; line-height: 1.45; text-decoration: none; }
.map-source:hover { color: var(--cyan-soft); }
.location-copy { padding: 25px 25px 22px; align-self: center; }
.location-copy .location-label { margin: 0 0 10px; color: var(--cyan); font: 8px ui-monospace, monospace; letter-spacing: .2em; }
.location-copy h3 { margin: 0 0 10px; color: #effcff; font-size: 21px; }
.location-copy address { color: #8fa8b3; font-size: 13px; font-style: normal; line-height: 1.7; }
.location-contact { margin-top: 17px; padding-top: 15px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid rgba(255,255,255,.07); color: #7f99a4; font-size: 11px; }
.location-contact a { color: #fff0a8; font: 700 15px ui-monospace, monospace; text-decoration: none; }
.location-contact a:hover { color: #fff; }

.showcase-card { width: min(1180px, 100%); border-color: rgba(112,223,235,.22); background: linear-gradient(145deg, #071824, #04111a 68%); }
.showcase-heading { margin-bottom: 28px; padding-right: 32px; display: flex; align-items: end; justify-content: space-between; gap: 28px; }
.showcase-heading h2 { margin-bottom: 0; }
.showcase-heading > p { width: min(420px, 48%); margin: 0; color: #78939f; font-size: 12px; line-height: 1.75; }
.equipment-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.equipment-card { overflow: hidden; border: 1px solid rgba(145,217,226,.13); border-radius: 12px; background: rgba(255,255,255,.02); box-shadow: 0 18px 42px rgba(0,0,0,.16); transition: transform .22s ease, border-color .22s ease, background .22s ease; }
.equipment-card:hover { transform: translateY(-3px); border-color: rgba(244,185,66,.38); background: rgba(255,255,255,.035); }
.equipment-image { position: relative; aspect-ratio: 4 / 3; padding: 14px; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; background: radial-gradient(circle at 68% 35%, rgba(70,231,242,.14), transparent 25%), linear-gradient(135deg, #091f2c, #06131d 58%, #0c1b25); }
.equipment-image::before { content: ""; position: absolute; inset: 0; opacity: .55; background-image: linear-gradient(rgba(120,220,230,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(120,220,230,.08) 1px, transparent 1px); background-size: 24px 24px; mask-image: linear-gradient(to bottom, #000, transparent 92%); }
.equipment-image::after { content: "+"; position: absolute; left: 50%; top: 42%; transform: translate(-50%, -50%); width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid rgba(70,231,242,.27); border-radius: 50%; color: rgba(154,247,255,.65); font: 300 22px ui-monospace, monospace; box-shadow: 0 0 30px rgba(70,231,242,.07); }
.equipment-image span, .equipment-image small { position: relative; z-index: 1; }
.equipment-image span { color: #78a4b2; font: 8px ui-monospace, monospace; letter-spacing: .18em; }
.equipment-image small { margin-top: 5px; color: #b8d2d9; font-size: 10px; }
.equipment-copy { padding: 17px 17px 19px; }
.equipment-copy p { margin: 0 0 9px; color: #557987; font: 8px ui-monospace, monospace; letter-spacing: .16em; }
.equipment-copy h3 { margin: 0 0 9px; color: #ecfbff; font-size: 16px; }
.equipment-copy div { color: #78929d; font-size: 11px; line-height: 1.7; }
.modal-contact-strip { margin-top: 26px; padding: 17px 20px; display: flex; align-items: center; justify-content: space-between; gap: 18px; border: 1px solid rgba(244,185,66,.19); border-radius: 10px; background: linear-gradient(90deg, rgba(244,185,66,.08), rgba(70,231,242,.035)); color: #9bb0b9; font-size: 12px; }
.modal-contact-strip a { color: #fff0a8; font: 700 18px ui-monospace, monospace; text-decoration: none; }
.modal-contact-strip a:hover { color: #fff; }

.regulation-card-shell { width: min(900px, 100%); }
.regulation-intro { position: relative; margin-top: 8px; padding: 34px; overflow: hidden; border: 1px solid rgba(102,233,255,.16); border-radius: 13px; background: radial-gradient(circle at 86% 16%, rgba(102,233,255,.12), transparent 28%), rgba(255,255,255,.018); }
.regulation-intro::after { content: "§"; position: absolute; right: 26px; top: 5px; color: rgba(102,233,255,.08); font: 120px Georgia, serif; }
.regulation-intro > * { position: relative; z-index: 1; }
.regulation-intro span { color: #63cbd9; font: 8px ui-monospace, monospace; letter-spacing: .2em; }
.regulation-intro h3 { margin: 14px 0 12px; color: #eafcff; font-size: 22px; }
.regulation-intro p { max-width: 650px; margin: 0; color: #7f9aa5; font-size: 13px; line-height: 1.85; }
.regulation-list { margin-top: 14px; display: grid; gap: 14px; }
.regulation-item { padding: 22px; border: 1px solid rgba(255,255,255,.08); border-radius: 11px; background: rgba(255,255,255,.02); }
.regulation-meta { display: flex; justify-content: space-between; color: #64818d; font: 9px ui-monospace, monospace; }
.regulation-item h3 { margin: 13px 0 9px; font-size: 18px; }
.regulation-item p { margin: 0 0 12px; color: #829ba5; font-size: 12px; line-height: 1.8; }
.regulation-item .regulation-tip { padding: 10px 12px; border-left: 2px solid rgba(244,185,66,.65); background: rgba(244,185,66,.045); color: #9aabb1; }
.regulation-tip b { margin-right: 8px; color: #f0c96f; font-size: 10px; }
.regulation-item a { color: var(--cyan); font-size: 11px; text-decoration: none; }
.regulation-item a:hover { color: #fff; }
.contact-card { width: min(980px, 100%); }
.contact-layout { display: grid; grid-template-columns: minmax(265px, .72fr) 1.28fr; gap: 24px; align-items: stretch; }
.contact-profile { position: relative; padding: 24px; overflow: hidden; border: 1px solid rgba(244,185,66,.2); border-radius: 12px; background: radial-gradient(circle at 78% 14%, rgba(244,185,66,.13), transparent 26%), linear-gradient(145deg, rgba(244,185,66,.06), rgba(70,231,242,.025)); }
.contact-profile::after { content: ""; position: absolute; right: -48px; top: -48px; width: 150px; height: 150px; border: 1px solid rgba(244,185,66,.12); border-radius: 50%; box-shadow: 0 0 0 26px rgba(244,185,66,.025), 0 0 0 54px rgba(244,185,66,.014); }
.contact-profile-head, .wechat-qr { position: relative; z-index: 1; }
.contact-profile-head > p { margin: 0 0 12px; color: #a98942; font: 8px ui-monospace, monospace; letter-spacing: .2em; }
.contact-profile-head h3 { margin: 0; color: #effcff; font-size: 24px; }
.contact-phone { margin-top: 8px; display: inline-block; color: #fff0a8; font: 700 21px ui-monospace, monospace; text-decoration: none; }
.contact-phone:hover { color: #fff; }
.contact-profile address { margin-top: 15px; color: #809aa5; font-size: 11px; font-style: normal; line-height: 1.75; }
.wechat-qr { margin-top: 24px; padding-top: 20px; display: grid; grid-template-columns: 104px 1fr; gap: 15px; align-items: center; border-top: 1px solid rgba(255,255,255,.07); }
.wechat-qr img { width: 104px; aspect-ratio: 1; display: block; border: 6px solid #fff; border-radius: 10px; object-fit: cover; box-shadow: 0 14px 35px rgba(0,0,0,.28); }
.wechat-qr span, .wechat-qr strong, .wechat-qr small { display: block; }
.wechat-qr span { color: #5a7c88; font: 8px ui-monospace, monospace; letter-spacing: .18em; }
.wechat-qr strong { margin-top: 7px; color: #e9fbff; font-size: 14px; }
.wechat-qr small { margin-top: 6px; color: #728d98; font-size: 10px; line-height: 1.6; }
.contact-form-panel { min-width: 0; padding: 2px 0; }
#consult-form label { display: block; margin-bottom: 15px; color: #a9bdc5; font-size: 11px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
#consult-form input, #consult-form select, #consult-form textarea { width: 100%; margin-top: 7px; padding: 12px 13px; color: #e8f9fc; border: 1px solid rgba(151,205,214,.2); border-radius: 7px; outline: none; background: #081c29; }
#consult-form input:focus, #consult-form select:focus, #consult-form textarea:focus { border-color: rgba(70,231,242,.65); box-shadow: 0 0 0 3px rgba(70,231,242,.07); }
#consult-form textarea { resize: vertical; }
.submit-button { width: 100%; padding: 13px; border: 0; border-radius: 8px; background: var(--cyan); color: #031116; font-weight: 800; cursor: pointer; }
.privacy-note { margin: 10px 0 0; color: #516b77; text-align: center; font-size: 10px; }
.form-result { margin-top: 16px; padding: 15px; border: 1px solid rgba(70,231,242,.18); border-radius: 8px; background: rgba(70,231,242,.04); }
.form-result pre { white-space: pre-wrap; color: #a9c0ca; font: 11px/1.8 "Microsoft YaHei", sans-serif; }
.form-result button { padding: 7px 12px; border: 1px solid rgba(70,231,242,.3); border-radius: 6px; background: transparent; color: var(--cyan); cursor: pointer; }

.seo-content { position: fixed; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.noscript { position: fixed; z-index: 200; inset: 0; display: grid; place-items: center; background: #02070d; color: #fff; }

@media (max-width: 760px) {
  .topbar { height: 68px; padding: 0 8px; gap: 6px; }
  .brand { min-width: 0; flex: 0 1 auto; gap: 6px; }
  .brand-mark { width: 34px; height: 34px; border-radius: 10px; }
  .brand-mark img { width: 30px; height: auto; }
  .brand strong { font-size: 14px; letter-spacing: .02em; white-space: nowrap; }
  .brand small { display: none; }
  .top-actions { flex: 0 0 auto; gap: 3px; }
  .action-text { display: none; }
  .top-actions button { width: 44px; height: 44px; min-height: 44px; flex: 0 0 44px; padding: 0; display: grid; place-items: center; border-color: rgba(255,255,255,.1); }
  .top-actions #tour-toggle { display: none; }
  .top-actions .feature-action { width: 44px; min-width: 44px; padding: 0; display: grid; }
  .top-actions .feature-action .feature-dot { display: none; }
  .top-actions .equipment-action::after { content: "设备"; position: relative; z-index: 1; font-size: 10px; }
  .top-actions .regulation-action::after { content: "法规"; position: relative; z-index: 1; font-size: 10px; }
  .top-actions .primary-action { width: 50px; min-width: 50px; flex-basis: 50px; padding: 0; font-size: 11px; }
  .top-actions button[data-open-modal="about-modal"]::after { content: "i"; font-size: 13px; font-weight: 800; }
  .top-actions .primary-action::after { content: "咨询"; font-size: 11px; }
  .top-actions .primary-action { font-size: 0; }
  .action-icon { margin: 0; }
  .intro-copy { left: 20px; top: 18vh; }
  .intro-copy h1 { font-size: 35px; }
  .intro-status { margin-top: 15px; }
  .coordinate-readout { left: 16px; bottom: 103px; }
  .orientation { display: none; }
  .zoom-control { right: 13px; gap: 8px; }
  .zoom-control button { width: 44px; height: 44px; background: rgba(5,18,28,.72); }
  .zoom-track { height: 115px; }
  .sector-nav { left: 10px; right: 10px; bottom: calc(10px + env(safe-area-inset-bottom)); width: auto; padding-inline: 8px; transform: none; overflow-x: auto; grid-template-columns: repeat(5, minmax(136px, 1fr)); scroll-snap-type: x mandatory; scroll-padding-inline: 8px; scroll-behavior: smooth; }
  .sector-nav { scrollbar-width: none; }
  .sector-nav::-webkit-scrollbar { display: none; }
  .sector-nav button { min-height: 64px; padding: 9px 11px; scroll-snap-align: center; }
  .sector-nav button:first-child { border-left: 1px solid rgba(255,255,255,.05); }
  .detail-panel { top: auto; right: 10px; left: 10px; bottom: calc(87px + env(safe-area-inset-bottom)); width: auto; max-height: 55dvh; padding: 22px; transform: translate3d(0, calc(100% + 110px), 0) scale(.985); border-radius: 18px 18px 14px 14px; }
  .detail-panel.open { transform: translateY(0); }
  .detail-panel::before { left: 42px; right: 42px; }
  .detail-panel::after { mask-image: linear-gradient(to bottom, #000, transparent 28%); }
  .panel-close { width: 44px; height: 44px; top: -14px; margin: -12px -8px -8px 10px; }
  .detail-panel h2 { font-size: 27px; }
  .panel-code { margin-bottom: 13px; }
  .panel-media { aspect-ratio: 2.25 / 1; margin: 14px 0; }
  .panel-media-placeholder { padding: 13px; }
  .panel-description { margin: 11px 0; font-size: 13px; line-height: 1.72; }
  .detail-panel ul { margin: 14px 0 18px; font-size: 13px; }
  .panel-cta { bottom: -12px; min-height: 44px; }
  .start-content { padding: 0 22px; }
  .start-content h2 { font-size: 48px; }
  .start-content p br { display: none; }
  .orbit-a { width: 130vw; height: 130vw; }
  .orbit-b { width: 90vw; height: 90vw; }
  .modal { padding: 12px; }
  .modal-card { max-height: calc(100dvh - 24px); padding: 32px 20px 24px; }
  .modal-card h2 { font-size: 28px; }
  .about-lines { grid-template-columns: 1fr; }
  .about-location-card { grid-template-columns: 1fr; }
  .location-media { border-right: 0; border-bottom: 1px solid rgba(70,231,242,.11); }
  .location-visual { min-height: 145px; }
  .showcase-heading { display: block; }
  .showcase-heading > p { width: auto; margin-top: 12px; }
  .equipment-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .equipment-image { padding: 10px; }
  .equipment-copy { padding: 12px; }
  .equipment-copy h3 { font-size: 14px; }
  .equipment-copy div { display: -webkit-box; overflow: hidden; font-size: 10px; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
  .modal-contact-strip { align-items: flex-start; flex-direction: column; }
  .regulation-intro { padding: 25px 20px; }
  .regulation-meta { align-items: flex-start; flex-direction: column; gap: 7px; }
  .regulation-item p { font-size: 13px; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-profile { order: -1; }
  .wechat-qr { grid-template-columns: 112px 1fr; }
  .wechat-qr img { width: 112px; }
  #consult-form input, #consult-form select, #consult-form textarea { font-size: 16px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .space-vignette::after { opacity: .025; }
}

@media (min-width: 761px) and (max-width: 1040px) {
  .topbar { padding-inline: 22px; }
  .top-actions { gap: 5px; }
  .top-actions button { padding-inline: 10px; }
  .equipment-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media (pointer: coarse) {
  .space-vignette::before { opacity: .22; }
  .hover-label { display: none !important; }
}