:root {
--bg: #f7f6f1;
--bg-elev: #fffffd;
--bg-sunk: #efede6;
--bg-hover: #ebe8df;
--ink: #1a1d1a;
--ink-2: #4b524c;
--ink-3: #757d77;
--line: #e2ded3;
--line-strong: #cbc6b8;
--brand: #17a93d;
--brand-ink: #0e7a2c;
--brand-weak: #e3f1e5;
--brand-line: #b9dcc1;
--btn-bg: #128a32;
--btn-bg-hover: #0f7a2b;
--btn-ink: #ffffff;
--code-bg: #f0eee7;
--warn: #a15c00;
--warn-weak: #fbf0dc;
--danger: #b3261e;
--danger-weak: #f9e3e0;
--info: #2a5d9f;
--info-weak: #e4ecf7;
--shadow-window: 0 1px 2px rgba(30, 30, 20, 0.06), 0 24px 48px -28px rgba(30, 30, 20, 0.28);
--shadow-pop: 0 1px 2px rgba(30, 30, 20, 0.08), 0 12px 32px -12px rgba(30, 30, 20, 0.22);
--overlay: rgba(20, 22, 20, 0.72);
--radius-sm: 6px;
--radius: 10px;
--radius-lg: 14px;
--container: 1200px;
--gutter: clamp(20px, 4vw, 40px);
--header-h: 64px;
--text-base: 1.0625rem;
--leading: 1.7;
--leading-tight: 1.15;
--tracking-display: -0.022em;
--ease: cubic-bezier(0.2, 0.7, 0.2, 1);
--dur: 180ms;
color-scheme: light;
}
:root[data-theme="dark"] {
--bg: #0f1311;
--bg-elev: #161b18;
--bg-sunk: #0b0e0c;
--bg-hover: #1d2420;
--ink: #e6e9e3;
--ink-2: #a7afa8;
--ink-3: #7b847d;
--line: #242b26;
--line-strong: #353e38;
--brand: #2bbd52;
--brand-ink: #55d277;
--brand-weak: #13261a;
--brand-line: #24573a;
--btn-bg: #1b9e3d;
--btn-bg-hover: #22b347;
--btn-ink: #ffffff;
--code-bg: #131815;
--warn: #e0a548;
--warn-weak: #2a2113;
--danger: #f08378;
--danger-weak: #2c1715;
--info: #84aee8;
--info-weak: #141f2e;
--shadow-window: 0 1px 2px rgba(0, 0, 0, 0.4), 0 24px 60px -30px rgba(0, 0, 0, 0.8);
--shadow-pop: 0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 40px -16px rgba(0, 0, 0, 0.7);
--overlay: rgba(5, 7, 6, 0.82);
color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
:root:not([data-theme]) {
--bg: #0f1311;
--bg-elev: #161b18;
--bg-sunk: #0b0e0c;
--bg-hover: #1d2420;
--ink: #e6e9e3;
--ink-2: #a7afa8;
--ink-3: #7b847d;
--line: #242b26;
--line-strong: #353e38;
--brand: #2bbd52;
--brand-ink: #55d277;
--brand-weak: #13261a;
--brand-line: #24573a;
--btn-bg: #1b9e3d;
--btn-bg-hover: #22b347;
--code-bg: #131815;
color-scheme: dark;
}
}
:lang(zh), :lang(ja), :lang(ko) {
--leading: 1.85;
--leading-tight: 1.3;
--tracking-display: 0;
}
:lang(hi) {
--leading: 1.85;
--leading-tight: 1.35;
--tracking-display: 0;
}
:lang(ar) {
--text-base: 1.125rem;
--leading: 1.9;
--leading-tight: 1.45;
--tracking-display: 0;
}
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
-webkit-text-size-adjust: 100%;
text-size-adjust: 100%;
scroll-padding-top: calc(var(--header-h) + 16px);
background: var(--bg);
}
@media (prefers-reduced-motion: no-preference) {
html { scroll-behavior: smooth; }
}
body {
min-height: 100vh;
background: var(--bg);
color: var(--ink);
font-family: var(--font-serif, "Iowan Old Style", Georgia, "Songti SC", "Noto Serif CJK SC", serif);
font-size: var(--text-base);
line-height: var(--leading);
font-optical-sizing: auto;
font-kerning: normal;
text-rendering: optimizeLegibility;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
overflow-wrap: break-word;
}
img, svg, video, picture { display: block; max-width: 100%; }
img { height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
table { border-collapse: collapse; }
code, kbd, pre, samp { font-family: var(--font-mono, ui-monospace, Menlo, Consolas, monospace); font-size: 0.88em; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--brand-weak); color: var(--ink); }
[hidden] { display: none !important; }
main:focus { outline: none; }
h1, h2, h3, h4 {
font-weight: 700;
line-height: var(--leading-tight);
letter-spacing: var(--tracking-display);
text-wrap: balance;
color: var(--ink);
}
:lang(ja) :is(h1, h2, h3) { word-break: auto-phrase; }
:lang(ko) { word-break: keep-all; }
h1 { font-size: clamp(2.25rem, 1.4rem + 3.4vw, 4rem); }
h2 { font-size: clamp(1.75rem, 1.3rem + 1.7vw, 2.5rem); }
h3 { font-size: 1.25rem; letter-spacing: 0; line-height: 1.35; }
p { text-wrap: pretty; }
.container {
width: 100%;
max-width: calc(var(--container) + var(--gutter) * 2);
margin-inline: auto;
padding-inline: var(--gutter);
}
.container.narrow { max-width: calc(820px + var(--gutter) * 2); }
.skip-link {
position: absolute;
inset-inline-start: 16px;
top: -100px;
z-index: 100;
padding: 10px 16px;
background: var(--ink);
color: var(--bg);
border-radius: var(--radius-sm);
}
.skip-link:focus { top: 12px; }
.visually-hidden {
position: absolute !important;
width: 1px; height: 1px;
overflow: hidden;
clip: rect(0 0 0 0);
white-space: nowrap;
}
.icon { flex: none; }
[dir="rtl"] .flip-rtl { transform: scaleX(-1); }
.text-link {
display: inline-flex;
align-items: center;
gap: 6px;
color: var(--brand-ink);
font-weight: 600;
text-decoration: underline;
text-decoration-color: transparent;
text-underline-offset: 4px;
transition: text-decoration-color var(--dur) var(--ease), gap var(--dur) var(--ease);
}
.text-link:hover { text-decoration-color: currentColor; gap: 9px; }
.fine-print { color: var(--ink-3); font-size: 0.875rem; line-height: 1.6; margin-top: 14px; }
.prose { color: var(--ink); }
.prose > * + * { margin-top: 1.1em; }
.prose h2 {
font-size: clamp(1.5rem, 1.2rem + 1vw, 1.9rem);
margin-top: 2.4em;
padding-top: 1.1em;
border-top: 1px solid var(--line);
}
.prose h3 { font-size: 1.2rem; margin-top: 2em; }
.prose h4 { font-size: 1.05rem; margin-top: 1.8em; }
.prose h2 + *, .prose h3 + *, .prose h4 + * { margin-top: 0.7em; }
.prose a { color: var(--brand-ink); text-decoration: underline; text-decoration-color: var(--brand-line); text-underline-offset: 3px; }
.prose a:hover { text-decoration-color: currentColor; }
.prose ul, .prose ol { padding-inline-start: 1.4em; }
.prose li + li { margin-top: 0.35em; }
.prose li > ul, .prose li > ol { margin-top: 0.35em; }
.prose li::marker { color: var(--ink-3); }
.prose strong { font-weight: 700; }
.prose :not(pre) > code {
padding: 0.12em 0.4em;
border-radius: 5px;
background: var(--code-bg);
border: 1px solid var(--line);
font-size: 0.84em;
white-space: break-spaces;
}
.prose kbd {
display: inline-block;
padding: 0 0.4em;
border: 1px solid var(--line-strong);
border-bottom-width: 2px;
border-radius: 5px;
background: var(--bg-elev);
font-size: 0.8em;
line-height: 1.6;
}
.prose blockquote { padding-inline-start: 1em; border-inline-start: 2px solid var(--line-strong); color: var(--ink-2); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev); }
.prose table, .table-wrap table { width: 100%; font-size: 0.94rem; line-height: 1.55; }
.table-wrap th, .table-wrap td { padding: 10px 14px; text-align: start; vertical-align: top; border-bottom: 1px solid var(--line); }
.table-wrap tr:last-child td { border-bottom: 0; }
.table-wrap th { font-weight: 700; background: var(--bg-sunk); color: var(--ink-2); font-size: 0.85rem; }
.callout {
padding: 14px 18px;
border: 1px solid var(--line);
border-radius: var(--radius);
background: var(--bg-elev);
}
.callout > * + * { margin-top: 0.6em; }
.callout-title {
display: flex;
align-items: center;
gap: 8px;
font-weight: 700;
font-size: 0.92rem;
}
.callout-title::before {
content: "";
width: 8px; height: 8px;
border-radius: 2px;
background: var(--brand);
flex: none;
}
.callout[data-kind="info"] .callout-title::before { background: var(--info); }
.callout[data-kind="warning"] { background: var(--warn-weak); border-color: color-mix(in srgb, var(--warn) 25%, var(--line)); }
.callout[data-kind="warning"] .callout-title::before { background: var(--warn); }
.callout[data-kind="danger"] { background: var(--danger-weak); border-color: color-mix(in srgb, var(--danger) 25%, var(--line)); }
.callout[data-kind="danger"] .callout-title::before { background: var(--danger); }
.code {
position: relative;
border: 1px solid var(--line);
border-radius: var(--radius);
background: var(--code-bg);
overflow: hidden;
direction: ltr;
text-align: left;
}
.code-bar {
display: flex;
align-items: center;
justify-content: space-between;
min-height: 36px;
padding: 0 6px 0 14px;
border-bottom: 1px solid var(--line);
font-family: var(--font-mono, ui-monospace, monospace);
font-size: 0.75rem;
color: var(--ink-3);
text-transform: lowercase;
}
.code pre {
margin: 0;
padding: 14px 16px;
overflow-x: auto;
font-size: 0.85rem;
line-height: 1.65;
tab-size: 2;
}
.code pre code { font-size: inherit; }
.copy-btn {
display: inline-flex;
align-items: center;
gap: 6px;
height: 28px;
padding: 0 10px;
border-radius: var(--radius-sm);
color: var(--ink-2);
font-family: var(--font-serif, serif);
font-size: 0.8rem;
text-transform: none;
transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.copy-btn:hover { background: var(--bg-hover); color: var(--ink); }
.copy-btn.is-copied { color: var(--brand-ink); }
.code .c, .code .c1, .code .cm, .code .ch, .code .cs { color: var(--ink-3); font-style: normal; }
.code .k, .code .kn, .code .kd, .code .kc, .code .nb { color: #8a3ffc; }
.code .s, .code .s1, .code .s2, .code .sb, .code .se, .code .sh { color: #0e7a2c; }
.code .nt, .code .nn, .code .nc, .code .nf { color: #1f5fbf; }
.code .na, .code .nv, .code .no { color: #a04f00; }
.code .m, .code .mi, .code .mf { color: #b3261e; }
.code .o, .code .p { color: var(--ink-2); }
:root[data-theme="dark"] .code .k, :root[data-theme="dark"] .code .kn, :root[data-theme="dark"] .code .kd, :root[data-theme="dark"] .code .kc, :root[data-theme="dark"] .code .nb { color: #c4a5ff; }
:root[data-theme="dark"] .code .s, :root[data-theme="dark"] .code .s1, :root[data-theme="dark"] .code .s2, :root[data-theme="dark"] .code .sb, :root[data-theme="dark"] .code .se, :root[data-theme="dark"] .code .sh { color: #7fdc98; }
:root[data-theme="dark"] .code .nt, :root[data-theme="dark"] .code .nn, :root[data-theme="dark"] .code .nc, :root[data-theme="dark"] .code .nf { color: #8fb8ff; }
:root[data-theme="dark"] .code .na, :root[data-theme="dark"] .code .nv, :root[data-theme="dark"] .code .no { color: #f0b46c; }
:root[data-theme="dark"] .code .m, :root[data-theme="dark"] .code .mi, :root[data-theme="dark"] .code .mf { color: #ff9b8f; }
@media (prefers-reduced-motion: no-preference) {
.js .reveal {
opacity: 0;
transform: translateY(14px);
transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
.js .reveal.is-visible { opacity: 1; transform: none; }
}
.btn {
display: inline-flex;
align-items: center;
justify-content: center;
gap: 8px;
height: 44px;
padding: 0 20px;
border: 1px solid transparent;
border-radius: var(--radius-sm);
font-weight: 600;
font-size: 0.98rem;
line-height: 1;
white-space: nowrap;
transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--btn-bg); color: var(--btn-ink); }
.btn-primary:hover { background: var(--btn-bg-hover); }
.btn-secondary { background: var(--bg-elev); border-color: var(--line-strong); color: var(--ink); }
.btn-secondary:hover { border-color: var(--ink-3); background: var(--bg-hover); }
.btn-ghost { color: var(--ink-2); }
.btn-ghost:hover { background: var(--bg-hover); color: var(--ink); }
.btn-sm { height: 36px; padding: 0 14px; font-size: 0.9rem; }
.btn-lg { height: 52px; padding: 0 26px; font-size: 1.04rem; }
.site-header {
position: sticky;
top: 0;
z-index: 50;
background: var(--bg);
border-bottom: 1px solid transparent;
transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.site-header.is-scrolled, .site-header.is-open { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; gap: 28px; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: none; }
.brand-logo { width: 28px; height: 28px; }
.brand-name { font-weight: 700; font-size: 1.2rem; letter-spacing: -0.01em; }
.primary-nav ul { display: flex; gap: 4px; list-style: none; padding: 0; }
.primary-nav a {
position: relative;
display: block;
padding: 8px 12px;
border-radius: var(--radius-sm);
color: var(--ink-2);
font-weight: 500;
white-space: nowrap;
transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.primary-nav a:hover { color: var(--ink); background: var(--bg-hover); }
.primary-nav a[aria-current="page"] { color: var(--ink); }
.primary-nav a[aria-current="page"]::after {
content: "";
position: absolute;
inset-inline: 12px;
bottom: 2px;
height: 2px;
border-radius: 2px;
background: var(--brand);
}
.header-tools { display: flex; align-items: center; gap: 6px; margin-inline-start: auto; }
.tool-link {
display: inline-flex;
align-items: center;
gap: 7px;
height: 36px;
padding: 0 10px;
border-radius: var(--radius-sm);
color: var(--ink-2);
font-size: 0.92rem;
cursor: pointer;
transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.tool-link:hover { color: var(--ink); background: var(--bg-hover); }
.github-stars {
display: inline-flex;
align-items: center;
gap: 3px;
padding-inline-start: 8px;
margin-inline-start: 2px;
border-inline-start: 1px solid var(--line-strong);
font-variant-numeric: tabular-nums;
}
.github-stars .icon { color: var(--warn); fill: currentColor; stroke: none; }
.header-cta { margin-inline-start: 6px; }
.menu-toggle { display: none; padding: 0 8px; }
.menu-toggle .icon-close { display: none; }
.menu-toggle[aria-expanded="true"] .icon-open { display: none; }
.menu-toggle[aria-expanded="true"] .icon-close { display: block; }
.lang-menu { position: relative; }
.lang-menu > summary { list-style: none; }
.lang-menu > summary::-webkit-details-marker { display: none; }
.lang-menu .chevron { transition: transform var(--dur) var(--ease); }
.lang-menu[open] .chevron { transform: rotate(180deg); }
.popover {
position: absolute;
inset-inline-end: 0;
top: calc(100% + 8px);
min-width: 200px;
padding: 6px;
border: 1px solid var(--line);
border-radius: var(--radius);
background: var(--bg-elev);
box-shadow: var(--shadow-pop);
list-style: none;
z-index: 60;
animation: pop-in 160ms var(--ease);
}
@keyframes pop-in { from { opacity: 0; transform: translateY(-4px); } }
.lang-list a {
display: flex;
align-items: center;
justify-content: space-between;
gap: 12px;
padding: 8px 12px;
border-radius: var(--radius-sm);
color: var(--ink-2);
font-size: 0.95rem;
}
.lang-list a:hover { background: var(--bg-hover); color: var(--ink); }
.lang-list a[aria-current="true"] { color: var(--brand-ink); font-weight: 600; }
.theme-switch {
display: inline-flex;
padding: 3px;
gap: 2px;
border: 1px solid var(--line);
border-radius: 999px;
background: var(--bg-sunk);
}
.theme-switch button {
display: inline-flex;
align-items: center;
justify-content: center;
gap: 6px;
width: 30px;
height: 28px;
border-radius: 999px;
color: var(--ink-3);
transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.theme-switch button:hover { color: var(--ink); }
.theme-switch button[aria-checked="true"] { background: var(--bg-elev); color: var(--ink); box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12); }
.theme-switch-text { display: none; }
.mobile-nav {
border-top: 1px solid var(--line);
background: var(--bg);
max-height: calc(100vh - var(--header-h));
overflow-y: auto;
padding-block: 12px 28px;
}
.mobile-links { list-style: none; padding: 0; }
.mobile-links a {
display: flex;
align-items: center;
gap: 8px;
padding: 14px 4px;
border-bottom: 1px solid var(--line);
font-size: 1.15rem;
font-weight: 600;
}
.mobile-links a[aria-current="page"] { color: var(--brand-ink); }
.mobile-group { margin-top: 22px; }
.mobile-label { margin-bottom: 10px; color: var(--ink-3); font-size: 0.85rem; }
.mobile-group .theme-switch button { width: auto; padding: 0 14px; }
.mobile-group .theme-switch-text { display: inline; font-size: 0.9rem; }
.mobile-langs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; list-style: none; padding: 0; }
.mobile-langs a { display: block; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.mobile-langs a[aria-current="true"] { border-color: var(--brand-line); color: var(--brand-ink); background: var(--brand-weak); }
@media (max-width: 1280px) {
.github-text { display: none; }
}
@media (max-width: 1120px) {
.primary-nav, .header-tools .lang-menu, .header-tools > .theme-switch, .github-link { display: none; }
.menu-toggle { display: inline-flex; }
}
@media (max-width: 420px) {
.header-cta span { display: none; }
.header-cta { width: 36px; padding: 0; }
}
.site-footer { margin-top: 0; padding-block: 64px 40px; border-top: 1px solid var(--line); background: var(--bg-sunk); font-size: 0.95rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; }
.footer-about p { margin-top: 14px; max-width: 34ch; color: var(--ink-2); }
.footer-version { font-size: 0.85rem; color: var(--ink-3) !important; }
.footer-version a:hover { color: var(--brand-ink); }
.footer-col h2 { font-size: 0.85rem; letter-spacing: 0.02em; color: var(--ink-3); font-weight: 600; margin-bottom: 14px; }
.footer-col ul { list-style: none; padding: 0; display: grid; gap: 9px; }
.footer-col a { color: var(--ink-2); }
.footer-col a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.footer-langs { margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line); }
.footer-langs ul { display: flex; flex-wrap: wrap; gap: 6px 18px; list-style: none; padding: 0; }
.footer-langs a { color: var(--ink-3); font-size: 0.9rem; }
.footer-langs a:hover, .footer-langs a[aria-current="true"] { color: var(--ink); }
.footer-copy { margin-top: 18px; color: var(--ink-3); font-size: 0.85rem; }
@media (max-width: 860px) {
.footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.footer-about { grid-column: 1 / -1; }
}
.lang-banner {
position: fixed;
inset-inline-end: 20px;
bottom: 20px;
z-index: 70;
max-width: min(380px, calc(100vw - 40px));
padding: 16px 18px;
border: 1px solid var(--line);
border-radius: var(--radius);
background: var(--bg-elev);
box-shadow: var(--shadow-pop);
animation: pop-in 220ms var(--ease);
}
.lang-banner-text { font-size: 0.95rem; }
.lang-banner-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.code-tabs { border: 1px solid var(--line); border-radius: var(--radius); background: var(--code-bg); overflow: hidden; }
.code-tabs-list { display: flex; gap: 2px; padding: 6px; border-bottom: 1px solid var(--line); background: var(--bg-sunk); overflow-x: auto; }
.code-tabs-list button {
height: 32px;
padding: 0 14px;
border-radius: var(--radius-sm);
color: var(--ink-3);
font-size: 0.9rem;
white-space: nowrap;
transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.code-tabs-list button:hover { color: var(--ink); }
.code-tabs-list button[aria-selected="true"] { background: var(--bg-elev); color: var(--ink); box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1); }
.code-tabs .code { border: 0; border-radius: 0; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; padding: 0; font-size: 0.88rem; color: var(--ink-3); }
.breadcrumb li + li::before { content: "/"; margin-inline-end: 6px; color: var(--line-strong); }
.breadcrumb a:hover { color: var(--ink); }
.check-list { list-style: none; padding: 0; display: grid; gap: 10px; margin-top: 22px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink-2); }
.check-list .icon { margin-top: 0.3em; color: var(--brand); }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item > summary {
display: flex;
align-items: center;
justify-content: space-between;
gap: 16px;
padding: 20px 2px;
cursor: pointer;
list-style: none;
}
.faq-item > summary::-webkit-details-marker { display: none; }
.faq-item > summary:hover .faq-q { color: var(--brand-ink); }
.faq-q { font-size: 1.12rem; line-height: 1.45; letter-spacing: 0; transition: color var(--dur) var(--ease); }
.faq-item .chevron { color: var(--ink-3); transition: transform 220ms var(--ease); }
.faq-item[open] .chevron { transform: rotate(180deg); }
.faq-a { padding: 0 2px 22px; color: var(--ink-2); max-width: 70ch; }
.faq-static { padding-top: 26px; }
.faq-static .faq-q { font-size: 1.3rem; margin-bottom: 10px; }
.faq-static .faq-q a:hover { color: var(--brand-ink); }
.faq-static .faq-a { padding-bottom: 26px; }
.cta-band { padding-block: clamp(56px, 8vw, 96px); border-top: 1px solid var(--line); }
.cta-head { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.cta-head > div { flex: 1 1 320px; }
.cta-head h2 { font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.2rem); }
.cta-head p { margin-top: 6px; color: var(--ink-2); }
.cta-logo { width: 56px; height: 56px; }
.dl-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin-top: 40px; border-top: 1px solid var(--line); }
.dl-col { padding: 22px 24px 4px 0; }
.dl-col + .dl-col { padding-inline-start: 24px; border-inline-start: 1px solid var(--line); }
.dl-col h3 { font-size: 1.05rem; margin-bottom: 10px; }
.dl-col ul { list-style: none; padding: 0; display: grid; gap: 4px; }
.asset-link {
display: grid;
grid-template-columns: 1fr auto;
grid-template-rows: auto auto;
column-gap: 12px;
padding: 10px 12px;
margin-inline: -12px;
border-radius: var(--radius-sm);
transition: background var(--dur) var(--ease);
}
.asset-link:hover { background: var(--bg-hover); }
.asset-link:hover .icon { color: var(--brand-ink); transform: translateY(2px); }
.asset-main { font-weight: 600; }
.asset-sub { grid-row: 2; color: var(--ink-3); font-size: 0.86rem; }
.asset-link .icon { grid-row: 1 / 3; grid-column: 2; align-self: center; color: var(--ink-3); transition: transform var(--dur) var(--ease), color var(--dur) var(--ease); }
@media (max-width: 760px) {
.dl-columns { grid-template-columns: minmax(0, 1fr); }
.dl-col, .dl-col + .dl-col { padding: 18px 0 4px; border-inline-start: 0; border-top: 1px solid var(--line); }
.dl-col:first-child { border-top: 0; }
}
.lightbox {
width: 100vw;
height: 100vh;
max-width: none;
max-height: none;
padding: 0;
border: 0;
background: transparent;
color: #f3f3ef;
}
.lightbox::backdrop { background: var(--overlay); }
.lightbox[open] { animation: fade-in 200ms var(--ease); }
@keyframes fade-in { from { opacity: 0; } }
.lightbox-inner { position: relative; display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; padding: 56px 72px; }
.lightbox-figure { display: flex; flex-direction: column; align-items: center; gap: 14px; max-width: 100%; max-height: 100%; }
.lightbox-figure img { max-width: 100%; max-height: calc(100vh - 150px); width: auto; border-radius: var(--radius); box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.6); }
.lightbox-figure figcaption { font-size: 1rem; }
.lightbox-btn {
position: absolute;
display: inline-flex;
align-items: center;
justify-content: center;
width: 44px;
height: 44px;
border-radius: 999px;
background: rgba(255, 255, 255, 0.1);
color: #fff;
transition: background var(--dur) var(--ease);
}
.lightbox-btn:hover { background: rgba(255, 255, 255, 0.2); }
.lightbox-close { top: 16px; inset-inline-end: 16px; }
.lightbox-prev { inset-inline-start: 16px; top: 50%; translate: 0 -50%; }
.lightbox-next { inset-inline-end: 16px; top: 50%; translate: 0 -50%; }
@media (max-width: 640px) {
.lightbox-inner { padding: 64px 12px; }
.lightbox-prev, .lightbox-next { top: auto; bottom: 14px; translate: none; }
}
.zoomable { position: relative; display: block; width: 100%; border-radius: var(--radius); overflow: hidden; cursor: zoom-in; }
.zoomable img { width: 100%; transition: transform 500ms var(--ease); }
.zoomable:hover img { transform: scale(1.012); }
.zoom-hint {
position: absolute;
top: 12px;
inset-inline-end: 12px;
display: inline-flex;
align-items: center;
justify-content: center;
width: 34px;
height: 34px;
border-radius: var(--radius-sm);
background: var(--bg-elev);
color: var(--ink);
border: 1px solid var(--line);
opacity: 0;
transition: opacity var(--dur) var(--ease);
}
.zoomable:hover .zoom-hint, .zoomable:focus-visible .zoom-hint { opacity: 1; }
.demo {
--app-bg: #ffffff;
--app-side: #f7f7f5;
--app-line: #ececea;
--app-ink: #1f2320;
--app-ink-2: #5d645f;
--app-ink-3: #8b918d;
--app-accent: #17a93d;
--app-accent-weak: #e7f5ea;
--app-bubble: #f3f4f2;
--app-font: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans", "Microsoft YaHei", "Noto Sans", sans-serif;
}
:root[data-theme="dark"] .demo {
--app-bg: #1b1f1d;
--app-side: #161a18;
--app-line: #2a302c;
--app-ink: #e4e7e3;
--app-ink-2: #a6aea8;
--app-ink-3: #78807a;
--app-accent: #2bbd52;
--app-accent-weak: #1a3022;
--app-bubble: #252a27;
}
.demo-tabs {
display: inline-flex;
gap: 2px;
padding: 4px;
margin-bottom: 14px;
border: 1px solid var(--line);
border-radius: 999px;
background: var(--bg-sunk);
max-width: 100%;
overflow-x: auto;
}
.demo-tabs button {
position: relative;
display: inline-flex;
align-items: center;
gap: 7px;
height: 34px;
padding: 0 16px;
border-radius: 999px;
color: var(--ink-2);
font-size: 0.92rem;
flex: none;
white-space: nowrap;
overflow: hidden;
transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.demo-tabs button:hover { color: var(--ink); }
.demo-tabs button[aria-selected="true"] { background: var(--bg-elev); color: var(--ink); box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12); }
.demo-tabs button[aria-selected="true"] .icon { color: var(--brand); }
.demo-tabs button::after {
content: "";
position: absolute;
inset-inline-start: 16px;
bottom: 4px;
height: 2px;
width: 0;
border-radius: 2px;
background: var(--brand);
opacity: 0.55;
}
.demo.is-auto .demo-tabs button[aria-selected="true"]::after { animation: demo-progress var(--demo-interval, 8s) linear forwards; }
.demo.is-paused .demo-tabs button[aria-selected="true"]::after { animation-play-state: paused; }
@keyframes demo-progress { to { width: calc(100% - 32px); } }
.window {
border: 1px solid var(--line-strong);
border-radius: 12px;
background: var(--app-bg);
box-shadow: var(--shadow-window);
overflow: hidden;
font-family: var(--app-font);
color: var(--app-ink);
font-size: 13.5px;
line-height: 1.55;
letter-spacing: 0;
}
.window-bar {
display: flex;
align-items: center;
gap: 12px;
height: 38px;
padding: 0 14px;
border-bottom: 1px solid var(--app-line);
background: var(--app-side);
direction: ltr;
}
.window-dots { display: inline-flex; gap: 7px; }
.window-dots i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.window-dots i:nth-child(2) { background: #febc2e; }
.window-dots i:nth-child(3) { background: #28c840; }
.window-name { color: var(--app-ink-3); font-size: 12px; }
.window-body { display: grid; grid-template-columns: 52px 170px 1fr; height: 430px; }
.window-rail {
display: flex;
flex-direction: column;
align-items: center;
gap: 6px;
padding-top: 12px;
border-inline-end: 1px solid var(--app-line);
background: var(--app-side);
}
.rail-item {
display: inline-flex;
align-items: center;
justify-content: center;
width: 34px;
height: 34px;
border-radius: 9px;
color: var(--app-ink-3);
transition: background 240ms var(--ease), color 240ms var(--ease);
}
.rail-item.is-active { background: var(--app-accent-weak); color: var(--app-accent); }
.window-sessions { padding: 14px 10px; border-inline-end: 1px solid var(--app-line); background: var(--app-side); }
.sessions-title { padding: 0 8px 8px; color: var(--app-ink-3); font-size: 11.5px; }
.window-sessions ul { list-style: none; padding: 0; display: grid; gap: 2px; }
.window-sessions li {
padding: 7px 8px;
border-radius: 7px;
color: var(--app-ink-2);
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
transition: background 240ms var(--ease), color 240ms var(--ease);
}
.window-sessions li.is-active { background: var(--app-accent-weak); color: var(--app-accent); font-weight: 500; }
.window-pane { position: relative; min-width: 0; }
.scene { position: absolute; inset: 0; display: flex; flex-direction: column; }
.js .scene:not([hidden]) { animation: scene-in 320ms var(--ease); }
@keyframes scene-in { from { opacity: 0; transform: translateY(6px); } }
.scene-head {
display: flex;
align-items: center;
justify-content: space-between;
gap: 12px;
height: 46px;
padding: 0 18px;
border-bottom: 1px solid var(--app-line);
}
.scene-title { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.model-chips { display: inline-flex; gap: 6px; flex: none; }
.chip {
display: inline-flex;
align-items: center;
gap: 4px;
padding: 2px 8px;
border: 1px solid var(--app-line);
border-radius: 6px;
color: var(--app-ink-2);
font-size: 11.5px;
font-family: var(--font-mono, ui-monospace, monospace);
}
.scene-scroll { flex: 1; min-height: 0; padding: 16px 18px; overflow: hidden; display: flex; flex-direction: column; gap: 12px; }
.scene-note { display: flex; align-items: center; gap: 6px; color: var(--app-ink-3); font-size: 12px; }
.msg p { margin: 0; }
.msg-user { align-self: flex-end; max-width: 82%; padding: 9px 13px; border-radius: 12px; background: var(--app-bubble); }
.msg-ai { max-width: 100%; }
.msg-model { display: flex; align-items: center; gap: 6px; margin-bottom: 4px !important; color: var(--app-ink-2); font-size: 12px; }
.provider { padding: 1px 6px; border-radius: 4px; background: var(--app-accent-weak); color: var(--app-accent); font-size: 11px; }
.answers { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.answers .msg-ai { padding: 11px 12px; border: 1px solid var(--app-line); border-radius: 10px; }
[data-stream].is-streaming::after {
content: "";
display: inline-block;
width: 7px;
height: 1em;
margin-inline-start: 2px;
vertical-align: -2px;
background: var(--app-accent);
animation: caret 900ms steps(2) infinite;
}
@keyframes caret { 50% { opacity: 0; } }
.composer {
display: flex;
align-items: center;
justify-content: space-between;
margin: 0 14px 14px;
padding: 10px 12px;
border: 1px solid var(--app-line);
border-radius: 10px;
color: var(--app-ink-3);
}
.steps { list-style: none; padding: 0; display: grid; gap: 6px; }
.step { display: flex; align-items: center; gap: 9px; padding: 7px 10px; border: 1px solid var(--app-line); border-radius: 8px; color: var(--app-ink-2); }
.step code { font-size: 12px; padding: 0 4px; border-radius: 4px; background: var(--app-bubble); }
.step-state { margin-inline-start: auto; display: inline-flex; color: var(--app-accent); }
.step.is-pending .step-state::before { content: ""; width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--app-line); border-top-color: var(--app-accent); animation: spin 800ms linear infinite; }
.step.is-denied .step-state { color: #d4453b; }
@keyframes spin { to { transform: rotate(360deg); } }
.permission { padding: 12px; border: 1px solid color-mix(in srgb, var(--app-accent) 40%, var(--app-line)); border-radius: 10px; background: var(--app-accent-weak); }
.permission p { margin: 0 0 8px; }
.permission-cmd { display: block; padding: 6px 9px; margin-bottom: 10px; border-radius: 6px; background: var(--app-bg); font-size: 12px; }
.permission-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.mini-btn {
display: inline-flex;
align-items: center;
gap: 6px;
height: 28px;
padding: 0 11px;
border: 1px solid var(--app-line);
border-radius: 7px;
background: var(--app-bg);
color: var(--app-ink);
font-size: 12px;
transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.mini-btn:hover { border-color: var(--app-ink-3); }
.mini-btn-primary { border-color: var(--app-accent); background: var(--app-accent); color: #fff; }
.mini-btn-primary:hover { border-color: var(--app-accent); filter: brightness(1.06); }
.terminal {
margin: 0;
padding: 10px 12px;
border-radius: 8px;
background: #121513;
color: #d8ddd8;
font-size: 12px;
line-height: 1.6;
white-space: pre-wrap;
direction: ltr;
text-align: left;
}
.term-dim { color: #8f9891; }
.term-ok { color: #5fd07f; }
.replay { align-self: flex-start; }
.sources ol { list-style: none; padding: 0; margin-top: 8px; display: grid; gap: 6px; }
.sources li { display: grid; grid-template-columns: 20px 1fr 90px 36px; align-items: center; gap: 10px; padding: 6px 10px; border: 1px solid var(--app-line); border-radius: 8px; }
.src-index { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 5px; background: var(--app-accent-weak); color: var(--app-accent); font-size: 11px; font-weight: 600; }
.src-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.src-bar { height: 4px; border-radius: 4px; background: var(--app-line); overflow: hidden; }
.src-bar i { display: block; height: 100%; width: var(--score); background: var(--app-accent); border-radius: inherit; transform-origin: left; }
.js .scene-knowledge:not([hidden]) .src-bar i { animation: bar-grow 900ms var(--ease) both; }
[dir="rtl"] .src-bar i { transform-origin: right; }
@keyframes bar-grow { from { transform: scaleX(0); } }
.src-score { color: var(--app-ink-3); font-size: 11.5px; font-variant-numeric: tabular-nums; text-align: end; }
.gw-status { display: inline-flex; align-items: center; gap: 6px; color: var(--app-ink-2); font-size: 12px; white-space: nowrap; }
.gw-status code { font-size: 11.5px; }
.gw-led { width: 7px; height: 7px; border-radius: 2px; background: var(--app-accent); }
.gw-stats { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--app-line); border-radius: 10px; }
.gw-stats > div { padding: 10px 12px; }
.gw-stats > div + div { border-inline-start: 1px solid var(--app-line); }
.gw-num { display: block; font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; }
.gw-label { color: var(--app-ink-3); font-size: 11.5px; }
.gw-endpoints { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; direction: ltr; }
.gw-endpoints li { display: flex; flex-direction: column; padding: 7px 10px; border: 1px solid var(--app-line); border-radius: 8px; }
.gw-endpoints code { font-size: 11.5px; color: var(--app-ink); }
.gw-endpoints span { color: var(--app-ink-3); font-size: 11.5px; }
.gw-log { width: 100%; font-size: 12px; direction: ltr; }
.gw-log td { padding: 5px 4px; border-bottom: 1px solid var(--app-line); color: var(--app-ink-2); font-family: var(--font-mono, ui-monospace, monospace); }
.gw-log td.ok { color: var(--app-accent); }
.gw-log tr.is-new { animation: row-in 400ms var(--ease); }
@keyframes row-in { from { opacity: 0; background: var(--app-accent-weak); } }
@media (max-width: 1180px) {
.window-body { grid-template-columns: 48px minmax(0, 1fr); }
.window-sessions { display: none; }
}
@media (max-width: 560px) {
.demo-tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); width: 100%; }
.demo-tabs button { justify-content: center; padding: 0 6px; font-size: 0.84rem; }
.demo-tabs button .icon { display: none; }
.window-body { grid-template-columns: minmax(0, 1fr); height: 400px; }
.window-rail { display: none; }
.answers { grid-template-columns: minmax(0, 1fr); }
.answers .msg-ai:nth-child(2) { display: none; }
.gw-endpoints { grid-template-columns: minmax(0, 1fr); }
.gw-endpoints li:nth-child(n + 3) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
.demo *, .demo *::before, .demo *::after { animation: none !important; transition: none !important; }
}
.section { padding-block: clamp(56px, 7vw, 96px); }
.section + .section { border-top: 1px solid var(--line); }
.section-head { max-width: 720px; margin-bottom: clamp(32px, 4vw, 52px); }
.section-head p { margin-top: 14px; color: var(--ink-2); font-size: 1.08rem; }
.section-more { margin-top: 28px; }
.hero { padding-block: clamp(40px, 6vw, 84px) clamp(56px, 7vw, 96px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero-title { font-size: clamp(2.4rem, 1.3rem + 3vw, 3.9rem); max-width: 14ch; }
:lang(zh) .hero-title, :lang(ja) .hero-title, :lang(ko) .hero-title { max-width: 11em; font-size: clamp(2rem, 1.2rem + 2vw, 2.85rem); line-height: 1.32; letter-spacing: 0.01em; }
:lang(ja) .hero-title { max-width: 13em; font-size: clamp(1.9rem, 1.1rem + 1.7vw, 2.45rem); }
:is(:lang(zh), :lang(ja), :lang(ko)) .hero-title { overflow-wrap: anywhere; }
.hero-title .phrase { display: inline-block; text-wrap: wrap; }
@media (max-width: 560px) { :lang(ja) .hero-title { font-size: 1.68rem; } }
.hero-lede { margin-top: 22px; max-width: 34em; color: var(--ink-2); font-size: clamp(1.06rem, 1rem + 0.3vw, 1.2rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 6px 10px; margin-top: 22px; color: var(--ink-3); font-size: 0.9rem; }
.hero-meta a { text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
.hero-meta a:hover { color: var(--ink); text-decoration-color: currentColor; }
.hero-alt { margin-top: 8px; font-size: 0.9rem; }
.hero-alt a { display: inline-flex; align-items: center; gap: 4px; color: var(--brand-ink); }
.hero-alt a:hover { text-decoration: underline; text-underline-offset: 3px; }
.hero-visual { min-width: 0; }
@media (max-width: 1020px) {
.hero-grid { grid-template-columns: minmax(0, 1fr); }
.hero-title { max-width: 18ch; }
}
.cap-grid {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
list-style: none;
padding: 0;
border-top: 1px solid var(--line);
}
.cap {
display: flex;
flex-direction: column;
gap: 10px;
padding: 30px 28px 34px 0;
border-bottom: 1px solid var(--line);
}
.cap:not(:nth-child(3n + 1)) { padding-inline-start: 28px; border-inline-start: 1px solid var(--line); }
.cap-icon {
display: inline-flex;
align-items: center;
justify-content: center;
width: 40px;
height: 40px;
margin-bottom: 6px;
border: 1px solid var(--line-strong);
border-radius: var(--radius-sm);
color: var(--brand-ink);
transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.cap:hover .cap-icon { border-color: var(--brand-line); background: var(--brand-weak); }
.cap p { color: var(--ink-2); flex: 1; }
.cap .text-link { margin-top: 6px; font-size: 0.94rem; }
@media (max-width: 960px) {
.cap-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cap:not(:nth-child(3n + 1)) { padding-inline-start: 0; border-inline-start: 0; }
.cap:nth-child(2n) { padding-inline-start: 28px; border-inline-start: 1px solid var(--line); }
}
@media (max-width: 620px) {
.cap-grid { grid-template-columns: minmax(0, 1fr); }
.cap:nth-child(2n) { padding-inline-start: 0; border-inline-start: 0; }
.cap { padding-inline-end: 0; }
}
.gallery { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 36px; align-items: start; }
.gallery-list { display: flex; flex-direction: column; gap: 2px; position: sticky; top: calc(var(--header-h) + 24px); }
.gallery-list button {
position: relative;
padding: 10px 14px;
border-radius: var(--radius-sm);
color: var(--ink-2);
text-align: start;
transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.gallery-list button:hover { background: var(--bg-hover); color: var(--ink); }
.gallery-list button[aria-selected="true"] { background: var(--bg-elev); color: var(--ink); font-weight: 600; box-shadow: inset 0 0 0 1px var(--line); }
.gallery-list button[aria-selected="true"]::before {
content: "";
position: absolute;
inset-inline-start: -1px;
top: 10px;
bottom: 10px;
width: 3px;
border-radius: 3px;
background: var(--brand);
}
.gallery-stage { min-width: 0; }
.gallery-figure .zoomable { border: 1px solid var(--line); box-shadow: var(--shadow-window); background: var(--bg-elev); }
.js .gallery-figure:not([hidden]) { animation: fade-in 260ms var(--ease); }
.gallery-figure figcaption { margin-top: 14px; color: var(--ink-3); font-size: 0.92rem; }
@media (max-width: 900px) {
.gallery { grid-template-columns: minmax(0, 1fr); gap: 18px; }
.gallery-list { position: static; flex-direction: row; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 4px; }
.gallery-list button { flex: none; scroll-snap-align: start; white-space: nowrap; }
.gallery-list button[aria-selected="true"]::before { inset-inline: 12px; top: auto; bottom: 2px; width: auto; height: 2px; }
}
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.split-copy h2 + p { margin-top: 16px; }
.split-copy p { color: var(--ink-2); }
.split-copy p + p { margin-top: 12px; }
.split-copy .text-link { margin-top: 24px; }
.split-reverse .split-copy { order: 2; }
.gateway-section .split { align-items: start; }
@media (max-width: 960px) {
.split { grid-template-columns: minmax(0, 1fr); }
.split-reverse .split-copy { order: 0; }
}
.tree { display: grid; gap: 14px; }
.tree-root { padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev); }
.tree-path { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.tree-path .icon { color: var(--brand-ink); }
.tree-path code { font-size: 0.95rem; }
.tree-desc { margin-top: 4px; color: var(--ink-3); font-size: 0.9rem; }
.tree ul { list-style: none; padding: 0; margin-top: 12px; display: flex; flex-wrap: wrap; gap: 6px; }
.tree li code { display: inline-block; padding: 3px 9px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--code-bg); font-size: 0.82rem; color: var(--ink-2); }
.lang-cloud { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; }
.lang-cloud a {
display: inline-block;
padding: 10px 18px;
border: 1px solid var(--line);
border-radius: var(--radius-sm);
background: var(--bg-elev);
font-size: 1.05rem;
transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.lang-cloud a:hover { border-color: var(--brand-line); color: var(--brand-ink); }
.lang-cloud a[aria-current="true"] { border-color: var(--brand-line); background: var(--brand-weak); color: var(--brand-ink); }
.page-hero { padding-block: clamp(36px, 5vw, 64px) clamp(28px, 4vw, 48px); }
.page-hero .breadcrumb { margin-bottom: 22px; }
.page-hero h1 { font-size: clamp(2.2rem, 1.4rem + 2.6vw, 3.4rem); }
.page-lede { margin-top: 16px; max-width: 40em; color: var(--ink-2); font-size: 1.12rem; }
.section-tight { padding-block: 24px clamp(56px, 7vw, 88px); }
.with-toc { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); padding-bottom: 40px; }
.side-toc { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; max-height: calc(100vh - var(--header-h) - 48px); overflow-y: auto; }
.side-toc-title { margin-bottom: 10px; color: var(--ink-3); font-size: 0.82rem; font-weight: 600; }
.side-toc ol, .docs-toc ol, .docs-nav ul { list-style: none; padding: 0; border-inline-start: 1px solid var(--line); }
.side-toc a, .docs-toc a, .docs-nav a {
display: block;
margin-inline-start: -1px;
padding: 6px 14px;
border-inline-start: 2px solid transparent;
color: var(--ink-3);
font-size: 0.92rem;
line-height: 1.45;
transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.side-toc a:hover, .docs-toc a:hover, .docs-nav a:hover { color: var(--ink); }
.side-toc a.is-active, .docs-toc a.is-active, .docs-nav a[aria-current="page"] { color: var(--ink); border-inline-start-color: var(--brand); font-weight: 600; }
@media (max-width: 900px) {
.with-toc { grid-template-columns: minmax(0, 1fr); }
.side-toc { position: static; max-height: none; }
.side-toc ol { display: flex; flex-wrap: wrap; gap: 6px; border: 0; }
.side-toc a { padding: 6px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); margin: 0; }
.side-toc a.is-active { border-color: var(--brand-line); }
}
.feature-group { padding-block: 8px 56px; }
.feature-group + .feature-group { padding-top: 48px; border-top: 1px solid var(--line); }
.feature-group h2 { font-size: clamp(1.6rem, 1.3rem + 1vw, 2.1rem); margin-bottom: 24px; }
.anchor { color: inherit; }
.anchor:hover { color: var(--brand-ink); }
.feature-items { display: grid; }
.feature-item { display: grid; grid-template-columns: minmax(0, 0.38fr) minmax(0, 1fr); gap: 24px; padding-block: 18px; border-top: 1px solid var(--line); }
.feature-item:first-child { border-top: 0; padding-top: 0; }
.feature-item dt { font-weight: 700; line-height: 1.5; }
.feature-item dd { margin: 0; color: var(--ink-2); }
.feature-item dd a { color: var(--brand-ink); text-decoration: underline; text-decoration-color: var(--brand-line); text-underline-offset: 3px; }
.feature-item code { padding: 0.1em 0.35em; border-radius: 4px; background: var(--code-bg); border: 1px solid var(--line); font-size: 0.82em; }
.feature-shot { margin-top: 28px; }
.feature-shot .zoomable { border: 1px solid var(--line); box-shadow: var(--shadow-window); }
.feature-shot figcaption { margin-top: 10px; color: var(--ink-3); font-size: 0.9rem; }
@media (max-width: 680px) {
.feature-item { grid-template-columns: minmax(0, 1fr); gap: 4px; }
}
.dl-recommend {
display: grid;
grid-template-columns: auto 1fr;
grid-template-areas: "label label" "btn file";
align-items: center;
gap: 12px 18px;
margin-top: 32px;
padding: 22px 24px;
border: 1px solid var(--brand-line);
border-radius: var(--radius-lg);
background: var(--brand-weak);
}
.dl-recommend-label { grid-area: label; color: var(--brand-ink); font-weight: 600; font-size: 0.95rem; }
.dl-recommend .btn { grid-area: btn; }
.dl-recommend-file { grid-area: file; display: flex; flex-wrap: wrap; gap: 4px 12px; color: var(--ink-2); font-size: 0.9rem; }
@media (max-width: 620px) {
.dl-recommend { grid-template-columns: minmax(0, 1fr); grid-template-areas: "label" "btn" "file"; }
}
.release-meta { display: flex; flex-wrap: wrap; gap: 6px 10px; margin-top: 22px; color: var(--ink-3); font-size: 0.92rem; }
.release-meta a { color: var(--ink-2); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
.release-meta a:hover { color: var(--ink); text-decoration-color: currentColor; }
.os-tabs-list {
display: none;
gap: 4px;
margin-bottom: 22px;
border-bottom: 1px solid var(--line);
}
.js .os-tabs-list { display: flex; }
.os-tabs-list button {
position: relative;
padding: 12px 18px;
color: var(--ink-3);
font-size: 1.05rem;
font-weight: 600;
transition: color var(--dur) var(--ease);
}
.os-tabs-list button:hover { color: var(--ink); }
.os-tabs-list button[aria-selected="true"] { color: var(--ink); }
.os-tabs-list button[aria-selected="true"]::after { content: ""; position: absolute; inset-inline: 12px; bottom: -1px; height: 2px; background: var(--brand); border-radius: 2px; }
.os-panel + .os-panel { margin-top: 56px; }
.js .os-panel + .os-panel { margin-top: 0; }
.js .os-panel-title { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.os-panel-title { margin-bottom: 16px; font-size: 1.6rem; }
.js .os-panel:not(.is-active) { display: none; }
.asset-table td { vertical-align: middle; }
.asset-table .is-primary .asset-kind { font-weight: 700; }
.asset-kind { display: block; }
.asset-file { display: block; margin-top: 2px; color: var(--ink-3); font-size: 0.78rem; word-break: break-all; }
.asset-table .num { font-variant-numeric: tabular-nums; white-space: nowrap; color: var(--ink-2); }
.asset-table .action { text-align: end; width: 1%; white-space: nowrap; }
@media (max-width: 640px) {
.asset-table thead { display: none; }
.asset-table tr { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.asset-table td { padding: 0; border: 0; }
.asset-table td:first-child { grid-column: 1 / -1; }
.asset-table .action { grid-column: 2; grid-row: 2 / 4; align-self: center; }
}
.install { margin-top: 36px; }
.install h3 { margin-bottom: 14px; }
.install-steps { padding-inline-start: 1.4em; display: grid; gap: 8px; color: var(--ink-2); }
.install-steps li::marker { color: var(--brand-ink); font-weight: 700; }
.install-cmds { display: grid; gap: 18px; }
.install-cmds dt { margin-bottom: 8px; font-weight: 600; }
.install-cmds dd { margin: 0; }
.os-note { margin-top: 32px; padding: 22px 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev); }
.os-note h3 { font-size: 1.1rem; }
.os-note p { margin-top: 0.6em; color: var(--ink-2); }
.os-note .text-link { margin-top: 14px; }
.req-list { display: grid; gap: 0; margin-top: 18px; border-top: 1px solid var(--line); }
.req-list > div { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding-block: 12px; border-bottom: 1px solid var(--line); }
.req-list dt { font-weight: 700; }
.req-list dd { margin: 0; color: var(--ink-2); }
.requirements .split { align-items: start; }
.requirements h2 { font-size: 1.5rem; }
.requirements p { margin-top: 14px; color: var(--ink-2); }
.faq-index { margin-top: 32px; padding: 20px 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev); }
.faq-index ol { padding-inline-start: 1.3em; display: grid; gap: 6px; columns: 1; }
.faq-index a { color: var(--ink-2); }
.faq-index a:hover { color: var(--brand-ink); text-decoration: underline; text-underline-offset: 3px; }
.faq-index li::marker { color: var(--ink-3); font-variant-numeric: tabular-nums; }
.docs-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr) 220px; gap: clamp(28px, 4vw, 56px); padding-block: 40px 88px; }
.docs-nav, .docs-toc { position: sticky; top: calc(var(--header-h) + 28px); align-self: start; max-height: calc(100vh - var(--header-h) - 56px); overflow-y: auto; }
.docs-toc .toc-l3 a { padding-inline-start: 28px; font-size: 0.86rem; }
.docs-article { min-width: 0; max-width: 760px; }
.docs-article .breadcrumb { margin-bottom: 18px; }
.docs-article h1 { font-size: clamp(2rem, 1.4rem + 2vw, 2.9rem); }
.docs-meta { margin-top: 10px; color: var(--ink-3); font-size: 0.88rem; }
.docs-article .prose { margin-top: 32px; }
.docs-article .prose > h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.docs-footer { margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--line); }
.docs-footer > .text-link { font-weight: 500; font-size: 0.92rem; }
.docs-pager { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 28px; }
.pager-link { display: flex; flex-direction: column; gap: 4px; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius); transition: border-color var(--dur) var(--ease); }
.pager-link:hover { border-color: var(--brand-line); }
.pager-label { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-3); font-size: 0.85rem; }
.pager-title { font-weight: 700; color: var(--brand-ink); }
.pager-next { grid-column: 2; text-align: end; align-items: flex-end; }
@media (max-width: 1180px) {
.docs-layout { grid-template-columns: 200px minmax(0, 1fr); }
.docs-toc { display: none; }
}
@media (max-width: 820px) {
.docs-layout { grid-template-columns: minmax(0, 1fr); padding-top: 24px; }
.docs-nav { position: static; max-height: none; }
.docs-nav ul { display: flex; flex-wrap: wrap; gap: 6px; border: 0; }
.docs-nav a { padding: 6px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); margin: 0; }
.docs-nav a[aria-current="page"] { border-color: var(--brand-line); }
}
.notfound { padding-block: clamp(64px, 10vw, 140px); }
.notfound-code { font-size: clamp(4rem, 3rem + 6vw, 8rem); font-weight: 700; line-height: 1; color: var(--line-strong); }
.notfound h1 { margin-top: 12px; }
.notfound .btn { margin-top: 28px; }
.notfound .lang-cloud { margin-top: 40px; }