:root {
--bg: #070c16;
--bg-soft: #0e1629;
--text: #e7ecff;
--muted: #98a6c7;
--rust-amber: #ffa24b;
--agent-cyan: #22eed6;
--control-violet: #9f6bff;
--protocol-green: #59f5b9;
--result-pink: #4df8c1;
--danger: #ff5f75;
--card-border: rgba(140, 165, 255, 0.28);
--card-bg: rgba(12, 20, 36, 0.72);
--shadow: 0 18px 40px rgba(2, 6, 18, 0.55);
}
* {
box-sizing: border-box;
}
html,
body {
margin: 0;
min-height: 100%;
color: var(--text);
background:
radial-gradient(circle at 12% 12%, rgba(34, 238, 214, 0.09), transparent 44%),
radial-gradient(circle at 85% 25%, rgba(159, 107, 255, 0.13), transparent 40%),
radial-gradient(circle at 58% 85%, rgba(255, 162, 75, 0.1), transparent 36%),
var(--bg);
font-family: "IBM Plex Sans", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", sans-serif;
}
a {
color: inherit;
}
code,
pre {
font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
}
.app-shell {
width: min(1280px, 94vw);
margin: 0 auto;
padding: 0.95rem 0 1.85rem;
}
.site-header {
position: sticky;
top: 0.45rem;
z-index: 20;
isolation: isolate;
overflow: visible;
display: flex;
align-items: center;
justify-content: space-between;
gap: 1.2rem;
padding: 0.56rem 0.74rem;
border: 1px solid rgba(122, 151, 230, 0.32);
border-radius: 16px;
background: linear-gradient(180deg, rgba(10, 17, 31, 0.9), rgba(9, 15, 28, 0.76));
backdrop-filter: blur(7px);
box-shadow:
0 10px 24px rgba(3, 8, 18, 0.52),
inset 0 1px 0 rgba(173, 196, 255, 0.08);
}
.site-header::before {
content: "";
position: absolute;
inset: 0;
background: linear-gradient(
90deg,
rgba(34, 238, 214, 0.22),
rgba(159, 107, 255, 0.18),
rgba(255, 162, 75, 0.18)
);
opacity: 0.42;
filter: none;
pointer-events: none;
z-index: 0;
mask: linear-gradient(to bottom, rgba(0, 0, 0, 0.95) 0 2px, transparent 2px);
}
.site-header > * {
position: relative;
z-index: 1;
}
.brand {
display: flex;
flex-direction: column;
align-items: flex-start;
gap: 0.08rem;
font-weight: 700;
text-decoration: none;
}
.brand-main {
display: inline-flex;
align-items: center;
gap: 0.42rem;
}
.brand-name {
font-size: clamp(1.08rem, 1.35vw, 1.26rem);
line-height: 1;
font-weight: 700;
letter-spacing: 0.02em;
text-shadow: none;
}
.brand-subtitle {
font-size: clamp(0.5rem, 0.58vw, 0.62rem);
letter-spacing: 0.11em;
font-weight: 600;
text-transform: uppercase;
color: #8da0cc;
opacity: 0.92;
}
.brand-dot {
width: 0.56rem;
height: 0.56rem;
border-radius: 999px;
background: linear-gradient(135deg, var(--agent-cyan), var(--control-violet));
box-shadow:
0 0 9px rgba(34, 238, 214, 0.5),
0 0 15px rgba(159, 107, 255, 0.3);
}
.top-nav {
display: flex;
flex-wrap: wrap;
justify-content: center;
padding: 0.16rem 0.2rem;
border-radius: 999px;
border: 1px solid rgba(128, 157, 253, 0.2);
background: rgba(7, 13, 26, 0.52);
gap: 0.34rem;
}
.top-nav a,
.header-cta {
text-decoration: none;
font-size: 0.8rem;
border-radius: 999px;
border: 1px solid rgba(128, 157, 253, 0.24);
padding: 0.3rem 0.62rem;
color: #ccd8f7;
background: rgba(13, 22, 43, 0.58);
transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}
.top-nav a:hover,
.header-cta:hover {
transform: translateY(-0.5px);
border-color: rgba(34, 238, 214, 0.6);
background: rgba(20, 34, 62, 0.82);
}
.header-cta {
font-size: 0.82rem;
background: linear-gradient(120deg, rgba(159, 107, 255, 0.28), rgba(34, 238, 214, 0.2));
}
.hero-home {
margin-top: 0.78rem;
padding: 1rem 1.05rem;
border-radius: 16px;
border: 1px solid var(--card-border);
background: linear-gradient(165deg, rgba(9, 16, 30, 0.82), rgba(8, 14, 27, 0.74));
box-shadow: 0 14px 30px rgba(3, 8, 18, 0.46);
}
.badge {
display: inline-flex;
align-items: center;
gap: 0.5rem;
padding: 0.3rem 0.75rem;
margin: 0;
border-radius: 999px;
font-size: 0.82rem;
letter-spacing: 0.08em;
text-transform: uppercase;
color: #041126;
background: linear-gradient(95deg, var(--agent-cyan), var(--rust-amber));
box-shadow: 0 6px 16px rgba(87, 240, 255, 0.25);
}
.hero-home h1 {
margin: 0.55rem 0;
font-size: clamp(1.62rem, 2.2vw, 2.35rem);
line-height: 1.2;
}
.subtitle {
margin: 0;
max-width: 72ch;
color: #a7b5d3;
line-height: 1.65;
}
.subtitle code {
color: var(--agent-cyan);
}
.hero-actions {
margin-top: 0.84rem;
display: flex;
flex-wrap: wrap;
gap: 0.5rem;
}
.btn {
text-decoration: none;
padding: 0.5rem 0.78rem;
border-radius: 0.62rem;
border: 1px solid rgba(131, 159, 255, 0.32);
font-size: 0.84rem;
font-weight: 600;
}
.btn.primary {
background: linear-gradient(120deg, rgba(34, 238, 214, 0.82), rgba(89, 245, 185, 0.72));
color: #062033;
}
.btn.secondary {
background: rgba(21, 36, 62, 0.76);
color: #dbe6ff;
}
.btn.ghost {
background: rgba(255, 162, 75, 0.12);
border-color: rgba(255, 162, 75, 0.35);
color: #ffd6aa;
}
.chips {
margin-top: 0.72rem;
display: flex;
flex-wrap: wrap;
gap: 0.4rem;
}
.chips span {
border: 1px solid rgba(121, 152, 255, 0.35);
background: rgba(16, 28, 52, 0.68);
color: #ccdaff;
padding: 0.3rem 0.5rem;
border-radius: 0.55rem;
font-size: 0.76rem;
}
.overview-grid,
.quickstart-grid {
margin-top: 1rem;
display: grid;
grid-template-columns: repeat(4, minmax(0, 1fr));
gap: 0.78rem;
}
.feature-card,
.quick-card,
.scene-card,
.info-card,
.doc-card,
.doc-hero {
border: 1px solid var(--card-border);
border-radius: 14px;
background: rgba(10, 18, 34, 0.62);
backdrop-filter: blur(7px);
box-shadow: 0 12px 26px rgba(4, 9, 20, 0.4);
}
.feature-card,
.quick-card {
padding: 0.88rem 0.9rem;
}
.feature-card h2,
.quick-card h2,
.demo-heading h2,
.doc-card h2,
.doc-hero h1 {
margin: 0;
font-size: 1.02rem;
}
.feature-card p,
.quick-card p,
.demo-heading p,
.doc-card p,
.doc-hero p {
margin: 0.52rem 0 0;
color: var(--muted);
line-height: 1.55;
}
.quickstart-grid {
grid-template-columns: repeat(3, minmax(0, 1fr));
}
pre {
margin: 0.62rem 0 0;
border-radius: 10px;
background: rgba(6, 11, 20, 0.82);
border: 1px solid rgba(108, 141, 235, 0.26);
padding: 0.74rem;
white-space: pre-wrap;
word-break: break-word;
color: #8cfcd8;
line-height: 1.54;
}
.demo-section {
margin-top: 1rem;
}
.demo-heading {
margin-bottom: 0.68rem;
}
.demo-grid {
display: grid;
grid-template-columns: minmax(0, 2fr) minmax(300px, 1fr);
gap: 0.95rem;
}
.scene-card {
position: relative;
min-height: min(70vh, 760px);
overflow: hidden;
}
#demo-canvas {
display: block;
width: 100%;
height: 100%;
min-height: min(70vh, 760px);
background:
linear-gradient(180deg, rgba(32, 49, 82, 0.2), rgba(8, 13, 22, 0.85)),
radial-gradient(circle at 50% 18%, rgba(34, 238, 214, 0.08), transparent 40%);
}
#demo-canvas.is-hidden {
display: none;
}
.canvas-fallback {
display: grid;
align-content: center;
gap: 0.55rem;
min-height: min(70vh, 760px);
padding: 7rem 1.25rem 6.5rem;
color: #d9e4ff;
background:
linear-gradient(180deg, rgba(32, 49, 82, 0.2), rgba(8, 13, 22, 0.85)),
radial-gradient(circle at 50% 20%, rgba(34, 238, 214, 0.13), transparent 42%);
}
.canvas-fallback strong {
font-size: clamp(1.2rem, 2vw, 1.65rem);
}
.canvas-fallback span {
max-width: 34rem;
color: var(--muted);
line-height: 1.6;
}
.hud {
pointer-events: none;
position: absolute;
top: 0.9rem;
left: 0.9rem;
background: rgba(8, 15, 28, 0.74);
border: 1px solid rgba(111, 153, 255, 0.35);
border-radius: 12px;
padding: 0.66rem 0.78rem;
min-width: 270px;
}
.hud-top {
display: flex;
align-items: center;
gap: 0.45rem;
color: var(--muted);
font-size: 0.82rem;
}
.live-dot {
width: 0.52rem;
height: 0.52rem;
border-radius: 999px;
background: var(--protocol-green);
box-shadow: 0 0 12px rgba(89, 245, 185, 0.9);
}
#hud-stage-title {
margin-top: 0.24rem;
display: block;
font-size: 0.99rem;
}
.stage-nav {
position: absolute;
left: 0.8rem;
right: 0.8rem;
bottom: 0.8rem;
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 0.45rem;
}
.stage-btn {
cursor: pointer;
border: 1px solid rgba(111, 153, 255, 0.34);
border-radius: 10px;
color: #d9e4ff;
background: rgba(8, 14, 24, 0.7);
font-size: 0.78rem;
font-weight: 600;
line-height: 1.3;
padding: 0.48rem 0.44rem;
transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}
.stage-btn:hover,
.stage-btn:focus-visible {
transform: translateY(-1px);
border-color: rgba(34, 238, 214, 0.6);
}
.stage-btn.active {
border-color: rgba(255, 162, 75, 0.8);
background: linear-gradient(120deg, rgba(255, 162, 75, 0.28), rgba(34, 238, 214, 0.16));
}
.info-card {
padding: 1rem;
}
.info-card h2 {
margin: 0;
font-size: 1.2rem;
}
#panel-description {
margin-top: 0.48rem;
line-height: 1.65;
color: var(--muted);
}
.panel-section {
margin-top: 0.96rem;
}
.panel-section h3 {
margin: 0 0 0.45rem;
color: #c7d6ff;
font-size: 0.95rem;
}
.notes-list {
margin: 0;
padding-left: 1.05rem;
color: #d8e4ff;
line-height: 1.52;
}
.notes-list li + li {
margin-top: 0.38rem;
}
.legend-list {
margin: 0;
padding-left: 0;
list-style: none;
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: 0.42rem 0.58rem;
}
.legend-list li {
display: flex;
align-items: center;
gap: 0.55rem;
color: #d5ddf7;
font-size: 0.84rem;
}
.swatch {
width: 0.82rem;
height: 0.82rem;
border-radius: 3px;
box-shadow: 0 0 12px rgba(255, 255, 255, 0.35);
border: 1px solid rgba(255, 255, 255, 0.26);
}
.site-footer {
margin-top: 1rem;
text-align: center;
color: #a9b8da;
font-size: 0.86rem;
}
.site-footer a {
color: #dbe6ff;
}
.doc-page {
margin-top: 1rem;
display: grid;
gap: 0.85rem;
}
.doc-hero {
padding: 1.05rem;
}
.doc-hero h1 {
font-size: clamp(1.45rem, 2.15vw, 2.15rem);
}
.doc-meta {
margin-top: 0.48rem;
color: #a8b8de;
font-size: 0.84rem;
}
.doc-grid {
display: grid;
gap: 0.82rem;
grid-template-columns: repeat(2, minmax(0, 1fr));
}
.doc-card {
padding: 0.9rem;
}
.doc-card ul,
.doc-card ol {
margin: 0.56rem 0 0;
padding-left: 1.08rem;
color: #d2def8;
line-height: 1.56;
}
.doc-card li + li {
margin-top: 0.34rem;
}
.doc-actions {
display: flex;
flex-wrap: wrap;
gap: 0.5rem;
margin-top: 0.8rem;
}
.doc-note {
margin-top: 0.72rem;
padding: 0.65rem 0.72rem;
border-radius: 10px;
border: 1px solid rgba(120, 149, 255, 0.32);
background: rgba(14, 22, 43, 0.66);
color: #c5d5f7;
font-size: 0.9rem;
}
table {
width: 100%;
border-collapse: collapse;
margin-top: 0.6rem;
border: 1px solid rgba(115, 146, 233, 0.3);
border-radius: 10px;
overflow: hidden;
font-size: 0.86rem;
}
th,
td {
text-align: left;
padding: 0.54rem 0.58rem;
border-bottom: 1px solid rgba(115, 146, 233, 0.22);
}
th {
background: rgba(20, 34, 62, 0.8);
color: #dce6ff;
}
td {
color: #c7d6f8;
}
.noscript-tip {
width: min(800px, 94vw);
margin: 1rem auto;
border: 1px solid rgba(255, 95, 117, 0.5);
border-radius: 10px;
background: rgba(54, 13, 18, 0.68);
color: #ffd4dc;
padding: 0.9rem;
}
@media (max-width: 1200px) {
.overview-grid {
grid-template-columns: repeat(2, minmax(0, 1fr));
}
}
@media (max-width: 1080px) {
.demo-grid,
.quickstart-grid {
grid-template-columns: 1fr;
}
#demo-canvas,
.scene-card {
min-height: 62vh;
}
.stage-nav {
grid-template-columns: repeat(2, minmax(0, 1fr));
}
}
@media (max-width: 820px) {
.site-header {
flex-direction: column;
align-items: flex-start;
}
.brand-name {
font-size: 0.96rem;
}
.brand-subtitle {
font-size: 0.5rem;
}
.top-nav {
justify-content: flex-start;
}
.legend-list {
grid-template-columns: 1fr;
}
}
@media (max-width: 740px) {
.app-shell {
width: min(1320px, 98vw);
padding: 0.9rem 0.25rem 1.4rem;
}
.overview-grid,
.doc-grid {
grid-template-columns: 1fr;
}
.hud {
min-width: 230px;
}
.stage-nav {
grid-template-columns: 1fr;
}
.canvas-fallback {
padding-bottom: 18rem;
}
}
@media (prefers-reduced-motion: reduce) {
.stage-btn,
.chips span,
.badge,
.btn,
.top-nav a,
.header-cta {
transition: none;
}
}