/* 首页排版。盖在 Stellar 模板上：近黑底、疏 hero、大无衬、高对比按钮。 */

:root {
	--bg: #0a0a0a;
	--bg-raise: #111111;
	--ink: rgba(255, 255, 255, 0.84);
	--ink-strong: #f5f5f5;
	--ink-dim: rgba(255, 255, 255, 0.55);
	--line: rgba(255, 255, 255, 0.12);
	--line-strong: rgba(255, 255, 255, 0.72);
}

html {
	color-scheme: dark;
}

body {
	background: var(--bg) !important;
	background-image: none !important;
	color: var(--ink);
}

body,
input,
select,
textarea {
	font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
	font-weight: 400;
}

#wrapper {
	width: 100%;
	max-width: none;
	margin: 0;
}

#wrapper a {
	border-bottom: 0;
}

.sitebar {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 12px 28px;
	position: sticky;
	top: 0;
	z-index: 30;
	box-sizing: border-box;
	width: 100%;
	padding: 0.85rem 4vw;
	background: rgba(10, 10, 10, 0.92);
	border-bottom: 1px solid var(--line);
	color: #fff;
}

.sitebar .brand {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	color: #fff;
	border-bottom: 0;
	font-size: 0.95rem;
	font-weight: 500;
	letter-spacing: 0.02em;
}

.sitebar .brand img {
	display: block;
	width: 28px;
	height: 28px;
}

.sitebar nav {
	display: flex;
	flex-wrap: wrap;
	gap: 0.15rem 0.35rem;
}

.sitebar nav a {
	padding: 0.35em 0.55em;
	border: 0;
	border-radius: 0;
	color: var(--ink-dim);
	font-size: 0.92rem;
	text-decoration: none;
}

.sitebar nav a:hover {
	color: #fff;
}

.sitebar nav a[aria-current="page"] {
	background: transparent;
	color: #fff;
	box-shadow: inset 0 -1px 0 #fff;
}

#header.alt {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	box-sizing: border-box;
	min-height: calc(100vh - 4.25rem);
	min-height: calc(100svh - 4.25rem);
	padding: 4.5rem 6vw 4rem;
	text-align: center;
}

#header.alt h1 {
	max-width: 12em;
	margin: 0 0 0.28em;
	color: #fff;
	font-size: clamp(2.7rem, 7.4vw, 5.4rem);
	font-weight: 500;
	line-height: 1.08;
	letter-spacing: -0.03em;
}

#header.alt .lead {
	margin: 0 0 0.45em;
	color: var(--ink);
	font-size: 1.15rem;
	font-weight: 400;
	letter-spacing: 0;
}

#header.alt .sub {
	max-width: 28em;
	margin: 0 auto 0.85rem;
	color: var(--ink);
	font-size: 1.15rem;
	letter-spacing: 0;
}

#header.alt .free {
	max-width: 28em;
	margin: 0 auto 1.85rem;
	color: var(--ink);
	font-size: 1.05rem;
	letter-spacing: 0;
}

#header.alt .version {
	margin: 1.6rem 0 0;
	color: var(--ink-dim);
	font-size: 0.82rem;
	letter-spacing: 0;
}

#header.alt .lead,
#header.alt .sub,
#header.alt .free,
#main h2,
#main h3,
#footer h2 {
	letter-spacing: 0;
}

#header .button,
#main .button {
	height: auto;
	min-width: 10.5rem;
	padding: 0.85rem 1.35rem;
	border-radius: 0;
	background: transparent;
	box-shadow: inset 0 0 0 1px var(--line-strong);
	color: #fff !important;
	font-size: 0.95rem;
	font-weight: 500;
	line-height: 1.2;
}

#header .button:hover,
#main .button:hover {
	background: rgba(255, 255, 255, 0.08);
}

#header .button:active,
#main .button:active {
	background: rgba(255, 255, 255, 0.16);
}

#header .button.primary,
#main .button.primary {
	background: #fff;
	box-shadow: none;
	color: #0a0a0a !important;
}

#header .button.primary:hover,
#main .button.primary:hover {
	background: #e6e6e6;
}

#header .button.primary:active,
#main .button.primary:active {
	background: #d4d4d4;
}

#main {
	width: min(1080px, calc(100% - 8vw));
	margin: 0 auto;
	background: transparent;
	border-radius: 0;
	color: var(--ink);
}

#main a:not(.button) {
	color: #fff;
	border-bottom: 1px solid rgba(255, 255, 255, 0.4);
}

#main a:not(.button):hover {
	color: #fff;
	border-bottom-color: #fff;
}

#main h1,
#main h2,
#main h3,
#main h4,
#main h5,
#main h6,
#main strong,
#main b,
#footer h2 {
	color: var(--ink-strong);
	font-weight: 500;
}

#main > .main {
	padding: 0;
	border-top: 0;
}

#main > .main.sparse {
	padding: 7.5rem 0 0;
	border: 0;
}

#main header.major h2:after,
#main .features .icon.major,
#main .icon.major,
#features,
#assistant {
	display: none !important;
}

.sparse {
	max-width: 40em;
	margin: 0 auto;
}

#local .lines {
	margin: 0;
	padding: 0;
	list-style: none;
}

#local .lines li {
	margin: 0;
	padding: 1.15rem 0;
	border-top: 1px solid var(--line);
	color: #fff;
	font-size: clamp(1.35rem, 2.4vw, 1.85rem);
	font-weight: 500;
	line-height: 1.35;
	text-align: left;
}

#local .lines li:last-child {
	border-bottom: 1px solid var(--line);
}

#main > #share.sparse {
	padding-top: 7.5rem;
	padding-bottom: 2rem;
}

#share .line {
	margin: 0 0 0.85rem;
	color: #fff;
	font-size: clamp(1.35rem, 2.2vw, 1.7rem);
	font-weight: 500;
	line-height: 1.4;
}

#share .aside {
	margin: 0 0 1.35rem;
	color: var(--ink-dim);
	font-size: 1.05rem;
}

#share .more {
	margin: 0;
}

#share .more a {
	color: #fff;
	border-bottom: 1px solid rgba(255, 255, 255, 0.4);
	font-size: 1rem;
}

#download footer.major {
	margin-top: 1.5em;
}

#features .formats {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.45rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

#features .formats li {
	flex: 0 0 auto;
	margin: 0;
	padding: 0.2em 0.7em;
	border: 1px solid var(--line-strong);
	border-radius: 0;
	color: var(--ink);
	font-size: 0.78rem;
	letter-spacing: 0.08em;
	white-space: nowrap;
}

#download .facts {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 1.25rem;
	margin: 0 0 1.5rem;
	padding: 0;
	list-style: none;
	text-align: left;
}

#download .facts li {
	margin: 0;
	padding-top: 0.7rem;
	border-top: 1px solid var(--line-strong);
}

#download .facts .k {
	display: block;
	margin-bottom: 0.25em;
	color: var(--ink-dim);
	font-size: 0.82rem;
	letter-spacing: 0.04em;
}

#download .sheet {
	max-width: 52em;
	margin-right: auto;
	margin-left: auto;
	text-align: left;
}

.notices {
	width: min(1080px, calc(100% - 8vw));
	margin: 0 auto;
	padding: 1.25rem 0 0;
	text-align: left;
}

.notices article {
	margin: 0 0 0.75rem;
	padding: 1rem 1.15rem;
	background: var(--bg-raise);
	border-left: 2px solid #fff;
	border-radius: 0;
	color: var(--ink);
}

.notices h2 {
	margin: 0 0 0.35em;
	color: #fff;
	font-size: 1.05rem;
	font-weight: 500;
}

.notices p {
	margin: 0;
	white-space: pre-wrap;
}

#download .note {
	margin-bottom: 0;
	font-size: 0.95em;
	text-align: left;
}

#footer {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.7rem;
	width: min(40em, calc(100% - 8vw));
	margin: 0 auto;
	padding: 7rem 0 3rem;
	border-top: 0;
	color: var(--ink-dim);
	text-align: center;
}

#footer > *,
#footer > * + * {
	width: auto;
	max-width: 36em;
	margin: 0;
}

#footer .policy {
	color: var(--ink-dim);
	font-size: 0.82rem;
}

#footer a {
	color: #fff;
	border-bottom: 1px solid rgba(255, 255, 255, 0.35);
}

#footer a:hover {
	color: #fff;
	border-bottom-color: #fff;
}

#footer .copyright {
	width: auto;
	margin: 0.35rem 0 0;
	color: var(--ink-dim);
	font-size: 0.82rem;
}

@media screen and (max-width: 980px) {
	#footer {
		padding: 4.5rem 0 2rem;
	}

	#main > .main.sparse,
	#main > #share.sparse {
		padding-top: 4.5rem;
	}

	#download .facts {
		grid-template-columns: 1fr 1fr;
	}
}

@media screen and (max-width: 736px) {
	.sitebar {
		flex-direction: column;
		align-items: flex-start;
		padding: 0.85rem 5vw;
	}

	#header.alt {
		min-height: calc(100svh - 4.25rem);
		padding: 3.25rem 5vw 2.75rem;
	}

	#main > .main.sparse,
	#main > #share.sparse {
		padding-top: 3.5rem;
	}

	#header .actions.special {
		flex-direction: column;
		align-items: center;
	}

	#header .actions.special li {
		padding: 0.65em 0 0;
	}

	#header .actions.special li:first-child {
		padding-top: 0;
	}

	#main,
	.notices,
	#footer {
		width: min(1080px, calc(100% - 10vw));
	}

	#download .facts {
		grid-template-columns: 1fr;
	}

	#download .actions.special {
		flex-direction: column;
		align-items: center;
	}

	#download .actions.special li {
		padding: 0.65em 0 0;
	}

	#download .actions.special li:first-child {
		padding-top: 0;
	}
}