:root {
    --bg: #07090d;
    --panel: #10151d;
    --panel-2: #141b25;
    --line: rgba(255, 255, 255, 0.1);
    --text: #f7fbff;
    --muted: #9aa8b8;
    --green: #34d399;
    --green-strong: #19c37d;
    --blue: #60a5fa;
    --amber: #fbbf24;
    --red: #fb7185;
    --code: #0b1017;
    --font: "Inter", system-ui, sans-serif;
    --mono: "JetBrains Mono", monospace;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background:
        radial-gradient(circle at 12% 0%, rgba(52, 211, 153, 0.16), transparent 30%),
        radial-gradient(circle at 84% 8%, rgba(96, 165, 250, 0.14), transparent 32%),
        var(--bg);
    color: var(--text);
    font-family: var(--font);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(7, 9, 13, 0.82);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(18px);
}

.nav {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--green), var(--blue));
    color: #03110b;
    font-weight: 800;
    font-size: 20px;
}

.brand strong,
.brand small {
    display: block;
}

.brand strong {
    font-size: 18px;
    line-height: 1.1;
}

.brand small {
    color: var(--muted);
    font-size: 12px;
}

.nav-links {
    display: flex;
    gap: 28px;
    color: var(--muted);
    font-size: 14px;
}

.nav-links a:hover {
    color: var(--text);
}

.lang-switch {
    display: inline-flex;
    gap: 4px;
    padding: 4px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.04);
}

.lang-switch button {
    border: 0;
    border-radius: 6px;
    padding: 6px 9px;
    background: transparent;
    color: var(--muted);
    font: 700 12px var(--font);
    cursor: pointer;
}

.lang-switch button.active {
    background: var(--green);
    color: #03110b;
}

body[data-lang="zh"] [data-lang="en"],
body[data-lang="en"] [data-lang="zh"] {
    display: none !important;
}

.nav-action,
.primary-btn,
.secondary-btn,
.deploy-button {
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    font-weight: 700;
    border: 1px solid transparent;
    cursor: pointer;
}

.nav-action {
    background: rgba(52, 211, 153, 0.12);
    border-color: rgba(52, 211, 153, 0.35);
    color: #a7f3d0;
    padding: 10px 16px;
}

.page-shell {
    padding: 54px 0 84px;
}

.page-hero {
    padding: 32px 0 36px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 32px;
}

.page-hero h1 {
    max-width: 860px;
    font-size: clamp(42px, 6vw, 74px);
    margin-bottom: 18px;
}

.page-hero p {
    max-width: 820px;
    color: #d8e3ee;
    font-size: 18px;
}

.docs-layout {
    display: grid;
    grid-template-columns: 270px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
}

.docs-sidebar {
    position: sticky;
    top: 96px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(16, 21, 29, 0.88);
    padding: 18px;
}

.docs-sidebar strong,
.docs-sidebar a {
    display: block;
}

.docs-sidebar strong {
    margin-bottom: 12px;
    font-size: 14px;
}

.docs-sidebar a {
    color: var(--muted);
    padding: 8px 0;
    font-size: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.docs-sidebar a:hover {
    color: var(--text);
}

.doc-section {
    padding: 30px 0 38px;
    border-bottom: 1px solid var(--line);
}

.doc-section h2 {
    font-size: clamp(28px, 4vw, 40px);
    margin-bottom: 10px;
}

.doc-section p,
.doc-section li {
    color: var(--muted);
}

.doc-section ul {
    max-width: 860px;
    padding-left: 20px;
}

.doc-grid,
.reference-grid {
    display: grid;
    gap: 14px;
}

.doc-grid {
    grid-template-columns: repeat(2, 1fr);
}

.reference-grid {
    grid-template-columns: repeat(3, 1fr);
}

.mini-panel,
.reference-item {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.035);
    padding: 16px;
}

.mini-panel strong,
.reference-item strong {
    display: block;
    margin-bottom: 6px;
}

.mini-panel span,
.reference-item span {
    color: var(--muted);
    font-size: 14px;
}

.code-block {
    margin-top: 18px;
    overflow: hidden;
}

.code-block pre {
    background: var(--code);
    padding: 22px;
    font-size: 13px;
    line-height: 1.75;
}

.inline-kbd {
    font-family: var(--mono);
    color: #bfdbfe;
    background: rgba(96, 165, 250, 0.1);
    border: 1px solid rgba(96, 165, 250, 0.18);
    border-radius: 6px;
    padding: 2px 6px;
    font-size: 0.9em;
}

.example-toolbar,
.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.filter-chip {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 8px 13px;
    color: #c8d6e5;
    background: rgba(255, 255, 255, 0.045);
    font-size: 13px;
    font-weight: 700;
}

.filter-chip.active {
    color: #03110b;
    background: var(--green);
    border-color: var(--green);
}

.example-library {
    display: grid;
    gap: 28px;
}

.example-detail {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(16, 21, 29, 0.88);
    overflow: hidden;
}

.example-detail-head {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 18px;
    padding: 24px;
    border-bottom: 1px solid var(--line);
}

.example-detail h2 {
    font-size: clamp(25px, 4vw, 38px);
    margin: 8px 0 10px;
}

.example-detail p {
    color: var(--muted);
}

.example-icon {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: rgba(52, 211, 153, 0.1);
    color: var(--green);
    border: 1px solid rgba(52, 211, 153, 0.24);
}

.metric-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    padding: 0 24px 22px;
}

.metric-list span {
    display: block;
    min-width: 0;
    padding: 10px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid var(--line);
    color: var(--muted);
    font-size: 12px;
    line-height: 1.35;
}

.metric-list strong {
    display: block;
    color: var(--text);
    font-size: 13px;
    margin-bottom: 2px;
}

.example-body {
    display: grid;
    grid-template-columns: 0.95fr 1.35fr;
    gap: 0;
}

.example-notes {
    padding: 22px 24px;
    border-right: 1px solid var(--line);
}

.example-notes h3 {
    margin: 0 0 8px;
}

.example-notes ul {
    margin: 0 0 18px;
    padding-left: 20px;
    color: var(--muted);
}

.example-code pre {
    height: 100%;
    min-height: 330px;
    background: var(--code);
    padding: 22px;
    font-size: 13px;
    line-height: 1.7;
}

.hero {
    padding: 92px 0 88px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 54px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #a7f3d0;
    background: rgba(52, 211, 153, 0.1);
    border: 1px solid rgba(52, 211, 153, 0.22);
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
}

.eyebrow span {
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    box-shadow: 0 0 18px var(--green);
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin: 24px 0 18px;
    font-size: clamp(52px, 8vw, 92px);
    line-height: 0.95;
    letter-spacing: 0;
}

.hero-lede {
    max-width: 630px;
    color: #d8e3ee;
    font-size: 20px;
    margin-bottom: 10px;
}

.hero-lede.en {
    color: var(--muted);
    font-size: 17px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin: 34px 0;
}

.primary-btn,
.secondary-btn {
    min-height: 48px;
    padding: 0 20px;
}

.primary-btn {
    background: var(--green);
    color: #03110b;
    box-shadow: 0 18px 44px rgba(52, 211, 153, 0.16);
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--line);
    color: var(--text);
}

.metric-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
}

.metric-row div {
    padding: 16px;
    background: rgba(255, 255, 255, 0.035);
    border-right: 1px solid var(--line);
}

.metric-row div:last-child {
    border-right: 0;
}

.metric-row strong,
.metric-row span {
    display: block;
}

.metric-row strong {
    font-size: 21px;
}

.metric-row span {
    color: var(--muted);
    font-size: 13px;
}

.terminal-card,
.editor-panel,
.deploy-panel,
.doc-card,
.example-card,
.price-card {
    background: rgba(16, 21, 29, 0.88);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
}

.hero-terminal {
    transform: rotate(1deg);
}

.terminal-top,
.panel-head {
    min-height: 54px;
    padding: 0 18px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--line);
}

.terminal-title {
    margin-left: 8px;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 13px;
}

.dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
}

.red {
    background: var(--red);
}

.yellow {
    background: var(--amber);
}

.green {
    background: var(--green);
}

pre {
    margin: 0;
    overflow-x: auto;
}

code {
    font-family: var(--mono);
}

.terminal-card pre,
.code-editor,
.example-card pre {
    background: var(--code);
    padding: 24px;
    font-size: 14px;
    line-height: 1.8;
}

.kw {
    color: #93c5fd;
}

.str {
    color: #86efac;
}

.num {
    color: #fcd34d;
}

.fn {
    color: #c4b5fd;
}

.decorator {
    color: #67e8f9;
}

.comment {
    color: #78909c;
}

.deploy-section,
.docs-section,
.examples-section {
    padding: 84px 0;
}

.deploy-section {
    background: rgba(255, 255, 255, 0.025);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.section-heading {
    max-width: 720px;
    margin-bottom: 32px;
}

.section-heading span {
    display: block;
    color: var(--green);
    font-weight: 800;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0;
    margin-bottom: 10px;
}

.section-heading h2 {
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.08;
    margin-bottom: 14px;
    letter-spacing: 0;
}

.section-heading p {
    color: var(--muted);
    font-size: 17px;
}

.deploy-grid {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 22px;
    align-items: stretch;
}

.panel-head {
    justify-content: space-between;
}

.panel-head strong,
.panel-head small {
    display: block;
}

.panel-head small {
    color: var(--muted);
    font-size: 12px;
}

.file-pill,
.status-pill {
    font-size: 12px;
    font-family: var(--mono);
    border-radius: 999px;
    padding: 5px 10px;
}

.file-pill {
    color: #bfdbfe;
    background: rgba(96, 165, 250, 0.1);
}

.status-pill {
    background: rgba(255, 255, 255, 0.06);
    color: var(--muted);
}

.status-pill.running {
    background: rgba(251, 191, 36, 0.12);
    color: #fde68a;
}

.status-pill.done {
    background: rgba(52, 211, 153, 0.14);
    color: #a7f3d0;
}

.deploy-panel {
    padding-bottom: 18px;
}

.deploy-button {
    width: calc(100% - 36px);
    margin: 18px;
    min-height: 58px;
    background: linear-gradient(135deg, #34d399, #19c37d);
    color: #03110b;
    font-size: 17px;
}

.deploy-button:disabled {
    cursor: default;
    opacity: 0.72;
}

.flow-steps {
    padding: 0 18px;
    display: grid;
    gap: 12px;
}

.flow-step {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 12px;
    align-items: start;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.035);
    opacity: 0.45;
    transition: opacity 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.flow-step.active,
.flow-step.complete {
    opacity: 1;
    transform: translateX(2px);
}

.flow-step.active {
    border-color: rgba(251, 191, 36, 0.55);
}

.flow-step.complete {
    border-color: rgba(52, 211, 153, 0.42);
}

.step-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--green);
}

.flow-step strong,
.flow-step small {
    display: block;
}

.flow-step strong {
    line-height: 1.45;
}

.flow-step small {
    color: var(--muted);
    margin-top: 4px;
}

.endpoint-box {
    margin: 18px;
    padding: 14px;
    border-radius: 8px;
    background: #070b10;
    border: 1px solid var(--line);
}

.endpoint-box span {
    color: var(--muted);
    display: block;
    font-size: 12px;
    margin-bottom: 7px;
}

.endpoint-box code {
    color: #a7f3d0;
    word-break: break-all;
}

.price-strip {
    margin-top: 22px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.price-card {
    padding: 18px;
}

.price-card.best {
    border-color: rgba(52, 211, 153, 0.55);
    background: linear-gradient(180deg, rgba(52, 211, 153, 0.14), rgba(16, 21, 29, 0.88));
}

.price-card span,
.price-card small,
.price-card strong {
    display: block;
}

.price-card span,
.price-card small {
    color: var(--muted);
}

.price-card strong {
    margin: 8px 0 2px;
    font-size: 25px;
}

.docs-grid,
.example-grid {
    display: grid;
    gap: 18px;
}

.docs-grid {
    grid-template-columns: repeat(4, 1fr);
}

.doc-card {
    padding: 22px;
}

.doc-card i {
    color: var(--green);
    margin-bottom: 18px;
}

.doc-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.doc-card p {
    color: var(--muted);
    min-height: 104px;
}

.doc-card code {
    display: block;
    padding: 10px;
    border-radius: 8px;
    background: #070b10;
    color: #bfdbfe;
    font-size: 12px;
}

.card-link {
    display: inline-flex;
    align-items: center;
    margin-top: 14px;
    color: #a7f3d0;
    font-size: 13px;
    font-weight: 800;
}

.example-link {
    margin: 0 20px 20px;
}

.examples-section {
    background: rgba(255, 255, 255, 0.025);
    border-top: 1px solid var(--line);
}

.example-grid {
    grid-template-columns: repeat(3, 1fr);
}

.example-card {
    overflow: hidden;
}

.example-card > div {
    padding: 20px;
}

.example-tag {
    color: var(--green);
    font-size: 12px;
    font-weight: 800;
}

.example-card h3 {
    margin: 8px 0 0;
    font-size: 22px;
}

.site-footer {
    padding: 48px 0;
    border-top: 1px solid var(--line);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.7fr 1fr 1fr;
    gap: 32px;
    color: var(--muted);
}

.footer-grid p {
    margin: 16px 0 0;
}

.footer-grid strong,
.footer-grid a,
.footer-grid span {
    display: block;
}

.footer-grid strong {
    color: var(--text);
    margin-bottom: 12px;
}

@media (max-width: 980px) {
    .hero-grid,
    .deploy-grid,
    .docs-grid,
    .example-grid,
    .price-strip,
    .footer-grid,
    .docs-layout,
    .doc-grid,
    .reference-grid,
    .example-body,
    .metric-list {
        grid-template-columns: 1fr;
    }

    .docs-sidebar {
        position: static;
    }

    .example-notes {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .hero-terminal {
        transform: none;
    }

    .nav-links {
        display: none;
    }

    .doc-card p {
        min-height: auto;
    }
}

@media (max-width: 620px) {
    .container {
        width: min(100% - 28px, 1180px);
    }

    .hero {
        padding-top: 58px;
    }

    .nav-action {
        display: none;
    }

    .metric-row {
        grid-template-columns: 1fr;
    }

    .metric-row div {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .metric-row div:last-child {
        border-bottom: 0;
    }

    .terminal-card pre,
    .code-editor,
    .example-card pre {
        padding: 18px;
        font-size: 12px;
    }
}