/*
Theme Name: AISI Guide SEO
Theme URI: https://aisi.im/
Author: AISI.IM
Author URI: https://aisi.im/
Description: 面向爱思助手下载、安装与故障教程的高性能 WordPress 主题。强调语义结构、移动端体验、可访问性和 SEO 插件兼容。
Version: 2.1.1
Requires at least: 6.2
Tested up to: 6.8
Requires PHP: 7.4
Text Domain: aisi-guide
*/

:root {
	--ink: #102033;
	--ink-soft: #41546a;
	--muted: #6b7c91;
	--line: #dce5ef;
	--line-strong: #c7d5e4;
	--paper: #ffffff;
	--paper-blue: #f3f7fc;
	--paper-warm: #fbfaf7;
	--navy: #071a2f;
	--navy-soft: #0d2844;
	--blue: #0868f5;
	--blue-deep: #0448ba;
	--cyan: #22a8ff;
	--signal: #c8ff58;
	--signal-ink: #203900;
	--warning: #ffbf47;
	--radius-sm: 10px;
	--radius-md: 18px;
	--radius-lg: 28px;
	--shadow-sm: 0 12px 30px rgba(23, 52, 84, 0.08);
	--shadow-lg: 0 28px 80px rgba(1, 24, 61, 0.2);
	--wrap: 1280px;
	--text-font: "Avenir Next", "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", sans-serif;
	--display-font: "DIN Alternate", "Avenir Next Condensed", "HarmonyOS Sans SC", "PingFang SC", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
	margin: 0;
	background: var(--paper);
	color: var(--ink);
	font-family: var(--text-font);
	font-size: 16px;
	line-height: 1.7;
	text-rendering: optimizeLegibility;
	-webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

img { display: block; max-width: 100%; height: auto; }

a { color: var(--blue-deep); text-decoration: none; }
a:hover { color: var(--blue); }

button, input, textarea, select { font: inherit; }

button, a { -webkit-tap-highlight-color: transparent; }

:focus-visible {
	outline: 3px solid var(--warning);
	outline-offset: 3px;
}

::selection { background: var(--signal); color: var(--signal-ink); }

.wrap { width: min(calc(100% - 40px), var(--wrap)); margin-inline: auto; }

.screen-reader-text {
	position: absolute !important;
	width: 1px; height: 1px;
	padding: 0; margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.screen-reader-text:focus {
	top: 10px; left: 10px;
	z-index: 99999;
	width: auto; height: auto;
	padding: 10px 14px; margin: 0;
	clip: auto;
	background: var(--paper);
	color: var(--ink);
}

.site-notice {
	position: relative;
	z-index: 101;
	background: var(--navy);
	color: #b9c9d9;
	font-size: 12px;
	letter-spacing: .02em;
}

.notice-inner { min-height: 34px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.notice-inner span { display: inline-flex; align-items: center; gap: 8px; }
.notice-inner i { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 5px rgba(200,255,88,.11); }
.notice-inner a { color: #dce8f3; }
.notice-inner a:hover { color: var(--signal); }

.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: rgba(255,255,255,.93);
	border-bottom: 1px solid rgba(213,224,235,.82);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
}

.header-inner { min-height: 78px; display: flex; align-items: center; gap: 34px; }
.site-brand { flex: 0 0 auto; }
.custom-logo-link { display: block; }
.custom-logo { width: auto; max-height: 52px; }

.wordmark { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); }
.wordmark:hover { color: var(--ink); }
.wordmark-mark {
	display: grid;
	place-items: center;
	width: 39px; height: 39px;
	border-radius: 11px;
	background: var(--blue);
	color: #fff;
	font-family: var(--display-font);
	font-size: 23px;
	font-weight: 900;
	font-style: italic;
	box-shadow: inset -8px -8px 16px rgba(0,37,125,.22);
	transform: skew(-5deg);
}
.wordmark > span:last-child { display: grid; line-height: 1.05; }
.wordmark strong { font-family: var(--display-font); font-size: 20px; letter-spacing: .045em; }
.wordmark small { margin-top: 5px; color: var(--muted); font-size: 10px; letter-spacing: .16em; }

.primary-nav { flex: 1 1 auto; }
.primary-nav .menu { display: flex; align-items: center; justify-content: flex-end; gap: 4px; margin: 0; padding: 0; list-style: none; }
.primary-nav .menu > li { position: relative; }
.primary-nav .menu > li > a {
	display: block;
	padding: 26px 14px;
	color: var(--ink);
	font-size: 14px;
	font-weight: 650;
	white-space: nowrap;
}
.primary-nav .menu > li > a::after {
	content: "";
	position: absolute;
	left: 14px; right: 14px; bottom: 19px;
	height: 2px;
	background: var(--blue);
	transform: scaleX(0);
	transform-origin: left;
	transition: transform .22s ease;
}
.primary-nav .menu > li > a:hover::after,
.primary-nav .current-menu-item > a::after,
.primary-nav .current-menu-ancestor > a::after { transform: scaleX(1); }

.submenu-toggle {
	position: absolute;
	right: -1px; top: 29px;
	width: 18px; height: 18px;
	padding: 0;
	border: 0;
	background: transparent;
	color: var(--muted);
	cursor: pointer;
}
.submenu-toggle::before { content: "+"; }
.submenu-toggle[aria-expanded="true"]::before { content: "−"; }

.primary-nav .sub-menu {
	position: absolute;
	top: calc(100% - 10px); left: 0;
	min-width: 210px;
	margin: 0; padding: 10px;
	list-style: none;
	background: var(--paper);
	border: 1px solid var(--line);
	border-radius: 14px;
	box-shadow: var(--shadow-lg);
	opacity: 0;
	visibility: hidden;
	transform: translateY(8px);
	transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.primary-nav li:hover > .sub-menu,
.primary-nav li:focus-within > .sub-menu,
.primary-nav li.submenu-open > .sub-menu { opacity: 1; visibility: visible; transform: none; }
.primary-nav .sub-menu a { display: block; padding: 9px 11px; border-radius: 8px; color: var(--ink-soft); font-size: 14px; }
.primary-nav .sub-menu a:hover { background: var(--paper-blue); color: var(--blue); }

.header-search {
	flex: 0 0 155px;
	display: flex;
	align-items: center;
	height: 40px;
	border: 1px solid var(--line);
	border-radius: 12px;
	background: var(--paper-blue);
}
.header-search input { min-width: 0; width: 100%; height: 100%; padding: 0 0 0 13px; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 13px; }
.header-search button { display: grid; place-items: center; flex: 0 0 40px; height: 100%; padding: 0; border: 0; background: transparent; color: var(--ink-soft); cursor: pointer; }
.header-search svg { fill: none; stroke: currentColor; stroke-width: 2; }
.menu-toggle { display: none; }

.eyebrow {
	display: flex;
	align-items: center;
	gap: 10px;
	margin: 0 0 14px;
	color: var(--blue);
	font-family: var(--display-font);
	font-size: 12px;
	font-weight: 800;
	letter-spacing: .16em;
	text-transform: uppercase;
}
.eyebrow > span { width: 28px; height: 2px; background: currentColor; }
.eyebrow-light { color: var(--signal); }

.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 22px;
	min-height: 50px;
	padding: 0 22px;
	border: 1px solid transparent;
	border-radius: 12px;
	font-size: 14px;
	font-weight: 750;
	line-height: 1.2;
	transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--blue); color: #fff; box-shadow: 0 12px 26px rgba(8,104,245,.2); }
.button-primary:hover { background: var(--blue-deep); color: #fff; }
.button-light { background: #fff; color: var(--blue-deep); box-shadow: 0 14px 36px rgba(0,20,65,.22); }
.button-light:hover { color: var(--blue); box-shadow: 0 18px 42px rgba(0,20,65,.28); }
.button-outline-light { border-color: rgba(255,255,255,.46); background: rgba(255,255,255,.07); color: #fff; }
.button-outline-light:hover { border-color: #fff; background: rgba(255,255,255,.13); color: #fff; }
.button.is-disabled { background: #e8edf3; color: var(--muted); cursor: not-allowed; }

.text-link { display: inline-flex; align-items: center; gap: 18px; color: var(--blue); font-size: 14px; font-weight: 750; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }

/* Front page */
.hero {
	position: relative;
	isolation: isolate;
	overflow: hidden;
	background:
		radial-gradient(circle at 87% 12%, rgba(73,190,255,.42), transparent 29%),
		linear-gradient(118deg, #0756dc 0%, #0878f4 52%, #0b8ef5 100%);
	color: #fff;
}
.hero::before { content: ""; position: absolute; z-index: -1; width: 520px; height: 520px; left: -280px; bottom: -340px; border: 80px solid rgba(255,255,255,.06); border-radius: 50%; }
.hero::after { content: ""; position: absolute; z-index: -1; right: -120px; top: -200px; width: 480px; height: 480px; border-radius: 50%; background: rgba(255,255,255,.05); }
.hero-grid-lines { position: absolute; z-index: -1; inset: 0; opacity: .14; background-image: linear-gradient(rgba(255,255,255,.2) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.2) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg, transparent, #000 38%, #000); }
.hero-layout { min-height: 620px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(480px, .95fr); align-items: center; gap: 84px; padding-block: 76px; }
.hero-copy h1 { max-width: 760px; margin: 0; color: #fff; font-family: var(--display-font); font-size: clamp(44px, 5.1vw, 72px); font-weight: 850; line-height: 1.08; letter-spacing: -.045em; }
.hero-copy h1 em { color: var(--signal); font-style: normal; }
.hero-lead { max-width: 660px; margin: 25px 0 0; color: rgba(255,255,255,.82); font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 24px; margin: 35px 0 0; padding: 0; list-style: none; color: rgba(255,255,255,.72); font-size: 12px; }
.hero-proof li { display: flex; align-items: center; gap: 8px; }
.hero-proof span { color: var(--signal); font-family: var(--display-font); font-weight: 800; }

.hero-console { position: relative; border: 1px solid rgba(255,255,255,.34); border-radius: 20px; background: rgba(4,43,118,.38); box-shadow: var(--shadow-lg); backdrop-filter: blur(7px); transform: rotate(1deg); }
.console-bar { display: flex; align-items: center; gap: 7px; height: 42px; padding: 0 16px; border-bottom: 1px solid rgba(255,255,255,.2); }
.console-bar > span { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,.52); }
.console-bar strong { margin-left: auto; color: rgba(255,255,255,.56); font-size: 9px; letter-spacing: .14em; }
.console-stage { position: relative; min-height: 392px; display: grid; place-items: center; padding: 46px 24px 18px; overflow: hidden; }
.console-stage::before { content: ""; position: absolute; width: 300px; height: 300px; border: 1px solid rgba(255,255,255,.15); border-radius: 50%; }
.console-stage::after { content: ""; position: absolute; inset: 46px 28px 20px; background: linear-gradient(90deg, transparent 49.8%, rgba(255,255,255,.12) 50%, transparent 50.2%), linear-gradient(transparent 49.8%, rgba(255,255,255,.12) 50%, transparent 50.2%); }
.console-stage img { position: relative; z-index: 2; width: min(100%, 430px); filter: drop-shadow(0 25px 28px rgba(0,18,64,.28)); }
.console-status { position: absolute; z-index: 4; top: 15px; left: 18px; display: flex; align-items: center; gap: 8px; padding: 7px 10px; border-radius: 8px; background: rgba(1,22,66,.55); font-size: 10px; }
.console-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 10px var(--signal); }
.console-status span { color: rgba(255,255,255,.55); }
.console-status strong { color: #fff; }
.console-chip { position: absolute; z-index: 5; display: grid; min-width: 88px; padding: 10px 12px; border: 1px solid rgba(255,255,255,.36); border-radius: 10px; background: rgba(255,255,255,.91); color: var(--ink); box-shadow: 0 14px 34px rgba(0,30,90,.2); }
.console-chip span { color: var(--blue); font-size: 9px; font-weight: 800; letter-spacing: .1em; }
.console-chip strong { font-family: var(--display-font); font-size: 17px; }
.console-chip-a { left: -34px; bottom: 58px; }
.console-chip-b { right: -28px; top: 96px; }
.console-footer { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.18); }
.console-footer span { padding: 13px 10px; color: rgba(255,255,255,.65); font-size: 10px; text-align: center; letter-spacing: .08em; }
.console-footer span + span { border-left: 1px solid rgba(255,255,255,.18); }

.system-section { padding: 112px 0; background: var(--paper-blue); }
.section-heading { margin-bottom: 42px; }
.section-heading h2 { margin: 0; font-family: var(--display-font); font-size: clamp(32px, 4vw, 48px); line-height: 1.16; letter-spacing: -.035em; }
.section-heading > p:not(.eyebrow), .split-heading > p { max-width: 600px; margin: 18px 0 0; color: var(--muted); }
.split-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 60px; }
.split-heading > p { flex: 0 1 560px; margin: 0 0 3px; }

.system-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.system-card { position: relative; min-height: 305px; display: flex; flex-direction: column; padding: 25px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--paper); transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease; }
.system-card::after { content: ""; position: absolute; width: 110px; height: 110px; right: -46px; top: -46px; border: 1px solid var(--line); border-radius: 50%; transition: transform .3s ease; }
.system-card:hover { z-index: 2; transform: translateY(-5px); border-color: #a9c9ed; box-shadow: var(--shadow-sm); }
.system-card:hover::after { transform: scale(1.2); }
.system-card:first-child { grid-column: span 2; background: linear-gradient(135deg, #fff, #edf6ff); }
.system-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 34px; }
.system-card-top span { color: #9aabbe; font-family: var(--display-font); font-size: 12px; font-weight: 800; }
.system-card-top b { padding: 5px 8px; border-radius: 6px; background: #e9f2ff; color: var(--blue); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.system-mac .system-card-top b { background: #eef0f3; color: #435064; }
.system-linux .system-card-top b { background: #fff3db; color: #8c5e00; }
.system-ios .system-card-top b { background: #e8f8f2; color: #16825d; }
.system-card h3 { margin: 0; font-size: 20px; line-height: 1.3; }
.system-card .version { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 12px 0; }
.system-card .version strong { color: var(--blue); font-family: var(--display-font); font-size: 26px; line-height: 1; }
.system-card .version time { color: var(--muted); font-size: 10px; }
.system-card > p:not(.version) { margin: 2px 0 24px; color: var(--muted); font-size: 14px; }
.system-card > a { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); color: var(--ink); font-size: 13px; font-weight: 750; }
.system-card > a span { float: right; color: var(--blue); }

.source-note { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 18px; margin-top: 18px; padding: 20px 23px; border: 1px solid #bad2eb; border-radius: 14px; background: #e9f4ff; }
.source-note-mark { display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid #9fc5ee; border-radius: 50%; color: var(--blue); font-family: Georgia, serif; font-weight: 700; }
.source-note strong { font-size: 13px; }
.source-note p { margin: 3px 0 0; color: var(--muted); font-size: 12px; }
.source-note > a { color: var(--blue-deep); font-size: 12px; font-weight: 750; white-space: nowrap; }

.topic-section { position: relative; overflow: hidden; padding: 112px 0 122px; background: var(--navy); color: #fff; }
.topic-section::before { content: "GUIDE"; position: absolute; right: -40px; top: -90px; color: rgba(255,255,255,.025); font-family: var(--display-font); font-size: 300px; font-weight: 900; line-height: 1; }
.section-heading-light { position: relative; max-width: 810px; }
.section-heading-light h2 { color: #fff; }
.section-heading-light > p:not(.eyebrow) { color: #9fb1c5; }
.topic-grid { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid rgba(255,255,255,.16); border-left: 1px solid rgba(255,255,255,.16); }
.topic-card { min-height: 300px; display: flex; flex-direction: column; padding: 27px; border-right: 1px solid rgba(255,255,255,.16); border-bottom: 1px solid rgba(255,255,255,.16); color: #fff; transition: background .22s ease, color .22s ease; }
.topic-card:hover { background: var(--signal); color: var(--signal-ink); }
.topic-card > span { color: var(--cyan); font-family: var(--display-font); font-size: 12px; font-weight: 800; }
.topic-card:hover > span { color: #527600; }
.topic-card h3 { margin: 42px 0 12px; color: inherit; font-size: 21px; }
.topic-card p { margin: 0; color: #9fb1c5; font-size: 14px; }
.topic-card:hover p { color: #456200; }
.topic-card strong { margin-top: auto; font-size: 12px; letter-spacing: .04em; }
.topic-card strong i { float: right; font-style: normal; }

.method-section { padding: 120px 0; background: var(--paper-warm); }
.method-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; align-items: start; }
.method-copy { position: sticky; top: 130px; }
.method-copy h2 { margin: 0; font-family: var(--display-font); font-size: clamp(34px, 4.3vw, 54px); line-height: 1.18; letter-spacing: -.04em; }
.method-copy > p:not(.eyebrow) { max-width: 520px; margin: 22px 0 26px; color: var(--muted); }
.method-list { margin: 0; padding: 0; border-top: 1px solid var(--line-strong); list-style: none; }
.method-list li { display: grid; grid-template-columns: 82px 1fr; gap: 18px; padding: 32px 0; border-bottom: 1px solid var(--line-strong); }
.method-list > li > span { color: var(--blue); font-family: var(--display-font); font-size: 14px; font-weight: 850; }
.method-list h3 { margin: 0 0 8px; font-size: 21px; }
.method-list p { margin: 0; color: var(--muted); }

.faq-section { padding: 112px 0; background: var(--paper-blue); }
.faq-layout { display: grid; grid-template-columns: 1fr 1.45fr; gap: 100px; align-items: start; }
.faq-layout .section-heading { position: sticky; top: 130px; }
.faq-list { border-top: 1px solid var(--line-strong); }
.faq-list details { border-bottom: 1px solid var(--line-strong); }
.faq-list summary { position: relative; padding: 25px 48px 25px 0; color: var(--ink); font-size: 17px; font-weight: 750; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 22px; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: #e5effb; color: var(--blue); }
.faq-list details[open] summary::after { content: "−"; background: var(--blue); color: #fff; }
.faq-list details p { margin: -4px 50px 25px 0; color: var(--muted); }

.latest-section { padding: 112px 0 126px; }
.latest-section-priority { background: var(--paper); }
.post-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.post-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--paper); transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.post-card:hover { transform: translateY(-5px); border-color: #b6cce5; box-shadow: var(--shadow-sm); }
.post-card-media { position: relative; aspect-ratio: 5 / 3; display: block; overflow: hidden; background: #e8eef5; }
.post-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.post-card:hover .post-card-media img { transform: scale(1.025); }
.post-card-placeholder { position: absolute; inset: 0; display: grid; place-items: center; overflow: hidden; background: linear-gradient(135deg, #e9f3ff, #dae8f6); }
.post-card-placeholder::before, .post-card-placeholder::after { content: ""; position: absolute; border: 1px solid rgba(8,104,245,.18); border-radius: 50%; }
.post-card-placeholder::before { width: 230px; height: 230px; right: -80px; top: -100px; }
.post-card-placeholder::after { width: 140px; height: 140px; left: -50px; bottom: -70px; }
.post-card-placeholder i { width: 52px; height: 52px; border: 2px solid #7fb1ee; border-radius: 14px; transform: rotate(45deg); }
.post-card-placeholder b { position: absolute; color: #699ad5; font-family: var(--display-font); font-size: 12px; letter-spacing: .24em; }
.post-card-body { padding: 22px 23px 24px; }
.post-card-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 13px; color: var(--muted); font-size: 10px; }
.post-card-meta a { color: var(--blue); font-weight: 750; }
.post-card :is(h2, h3) { margin: 0; font-size: 19px; line-height: 1.5; letter-spacing: -.015em; }
.post-card :is(h2, h3) a { color: var(--ink); }
.post-card :is(h2, h3) a:hover { color: var(--blue); }
.post-card-body > p { display: -webkit-box; min-height: 72px; margin: 13px 0 18px; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 3; color: var(--muted); font-size: 13px; }
.post-card-link { display: inline-flex; gap: 14px; color: var(--ink); font-size: 12px; font-weight: 750; }
.post-card-link span { color: var(--blue); }

/* Breadcrumbs and archives */
.breadcrumbs { padding-top: 24px; color: var(--muted); font-size: 12px; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 7px; margin: 0; padding: 0; list-style: none; }
.breadcrumbs li { display: flex; align-items: center; gap: 7px; }
.breadcrumbs li:not(:last-child)::after { content: "/"; color: #a7b4c2; }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--blue); }
.breadcrumbs span[aria-current="page"] { max-width: 55vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.archive-main { min-height: 65vh; padding-bottom: 120px; background: var(--paper-blue); }
.archive-hero { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; align-items: end; padding: 80px 0 54px; border-bottom: 1px solid var(--line-strong); }
.archive-hero h1 { margin: 0; font-family: var(--display-font); font-size: clamp(42px, 6vw, 70px); line-height: 1.05; letter-spacing: -.045em; }
.archive-summary { padding-bottom: 4px; color: var(--ink-soft); font-size: 16px; }
.archive-summary > p { margin: 0; }
.archive-summary > p + p { margin-top: 15px; }
.archive-count { color: var(--muted); font-size: 12px; }
.archive-count strong { color: var(--blue); font-family: var(--display-font); font-size: 18px; }
.archive-pathways { padding: 42px 0; border-bottom: 1px solid var(--line-strong); }
.archive-pathways > header { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 22px; }
.archive-pathways > header .eyebrow { margin: 0; }
.archive-pathways h2 { margin: 5px 0 0; font-family: var(--display-font); font-size: clamp(24px, 3vw, 34px); letter-spacing: -.025em; }
.pathway-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line-strong); }
.pathway-grid a { position: relative; min-height: 118px; display: flex; flex-direction: column; padding: 18px 34px 18px 18px; border-right: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); background: rgba(255,255,255,.72); color: var(--ink); transition: background .2s ease, color .2s ease; }
.pathway-grid a:hover { background: var(--navy); color: #fff; }
.pathway-grid strong { font-size: 14px; }
.pathway-grid span { margin-top: 8px; color: var(--muted); font-size: 10px; line-height: 1.55; }
.pathway-grid a:hover span { color: #aebfd0; }
.pathway-grid i { position: absolute; top: 16px; right: 16px; color: var(--blue); font-style: normal; }
.pathway-grid a:hover i { color: var(--signal); }
.archive-featured { padding: 62px 0 66px; border-bottom: 1px solid var(--line-strong); }
.archive-featured .section-heading { margin-bottom: 28px; }
.archive-featured .section-heading h2 { font-size: clamp(29px, 3.4vw, 40px); }
.featured-guide-grid .post-card { background: #fff; }
.archive-latest { padding-top: 58px; }
.archive-list-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 28px; }
.archive-list-heading .eyebrow { margin: 0; }
.archive-list-heading h2 { margin: 5px 0 0; font-family: var(--display-font); font-size: clamp(29px, 3.4vw, 40px); letter-spacing: -.025em; }
.archive-grid { padding-top: 54px; }
.archive-latest .archive-grid { padding-top: 0; }

.navigation.pagination { margin-top: 54px; }
.nav-links { display: flex; justify-content: center; gap: 8px; }
.nav-links .page-numbers { min-width: 40px; height: 40px; display: grid; place-items: center; padding: 0 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper); color: var(--ink); font-size: 13px; }
.nav-links .current { border-color: var(--blue); background: var(--blue); color: #fff; }
.nav-links a:hover { border-color: var(--blue); color: var(--blue); }

.search-form { display: flex; gap: 9px; margin-top: 25px; }
.search-form input { min-width: 0; width: 100%; height: 50px; padding: 0 15px; border: 1px solid var(--line-strong); border-radius: 10px; background: #fff; color: var(--ink); }
.search-form button { min-width: 82px; border: 0; border-radius: 10px; background: var(--blue); color: #fff; font-weight: 750; cursor: pointer; }

.empty-state { min-height: 380px; display: grid; place-items: center; align-content: center; padding: 70px 20px; text-align: center; }
.empty-state > span { color: #b9c8d8; font-family: var(--display-font); font-size: 54px; font-weight: 900; }
.empty-state h2 { margin: 5px 0 8px; font-size: 28px; }
.empty-state p { margin: 0 0 24px; color: var(--muted); }

/* Articles and pages */
.article-main, .page-main { padding-bottom: 120px; background: var(--paper); }
.reading-progress { position: fixed; z-index: 220; top: 0; right: 0; left: 0; height: 3px; pointer-events: none; }
.reading-progress span { display: block; width: 100%; height: 100%; background: linear-gradient(90deg, var(--cyan), var(--blue), var(--signal)); transform: scaleX(0); transform-origin: left center; will-change: transform; }
.article-header { max-width: 940px; padding: 66px 0 44px; }
.article-category { display: inline-flex; padding: 6px 10px; border-radius: 7px; background: #eaf3ff; color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .05em; }
.article-header h1 { margin: 18px 0 20px; font-family: var(--display-font); font-size: clamp(38px, 5.4vw, 66px); line-height: 1.15; letter-spacing: -.045em; }
.article-deck { max-width: 850px; margin: 0; color: var(--ink-soft); font-size: 19px; line-height: 1.8; }
.article-meta { display: flex; flex-wrap: wrap; gap: 9px 24px; margin-top: 27px; color: var(--muted); font-size: 11px; }
.article-meta span { position: relative; }
.article-meta span + span::before { content: ""; position: absolute; left: -13px; top: 8px; width: 3px; height: 3px; border-radius: 50%; background: #a5b4c5; }
.article-featured { margin: 0 0 50px; }
.article-featured img { width: 100%; max-height: 720px; object-fit: cover; border-radius: var(--radius-lg); background: var(--paper-blue); }
.article-featured figcaption { margin-top: 9px; color: var(--muted); font-size: 11px; text-align: center; }
.article-layout { display: grid; grid-template-columns: minmax(0, 830px) minmax(240px, 320px); gap: clamp(50px, 8vw, 110px); align-items: start; }
.article-content { color: #273a4e; font-size: 17px; line-height: 1.92; }
.article-content > *:first-child { margin-top: 0; }
.article-content p { margin: 0 0 1.42em; }
.article-content h2, .article-content h3, .article-content h4 { color: var(--ink); font-family: var(--display-font); letter-spacing: -.025em; scroll-margin-top: 110px; }
.article-content h2 { margin: 2.1em 0 .78em; padding-top: .6em; border-top: 1px solid var(--line); font-size: clamp(26px, 3vw, 34px); line-height: 1.35; }
.article-content h3 { margin: 1.8em 0 .65em; font-size: 23px; line-height: 1.4; }
.article-content h4 { margin: 1.5em 0 .55em; font-size: 19px; }
.article-content a { text-decoration: underline; text-decoration-color: #a5c7ef; text-underline-offset: 3px; }
.article-content strong { color: var(--ink); }
.article-content ul, .article-content ol { margin: 0 0 1.5em; padding-left: 1.4em; }
.article-content li { margin: .4em 0; padding-left: .2em; }
.article-content blockquote { margin: 2em 0; padding: 22px 26px; border: 0; border-left: 4px solid var(--blue); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; background: var(--paper-blue); color: var(--ink-soft); }
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content img { border-radius: 14px; }
.article-content figure { margin: 2.1em 0; }
.article-content figcaption { margin-top: 8px; color: var(--muted); font-size: 11px; text-align: center; }
.article-content table { width: 100%; margin: 1.8em 0; border-collapse: collapse; font-size: 14px; }
.article-content th, .article-content td { padding: 13px 14px; border: 1px solid var(--line-strong); text-align: left; }
.article-content th { background: var(--paper-blue); color: var(--ink); }
.article-content pre { max-width: 100%; overflow: auto; padding: 18px; border-radius: 12px; background: var(--navy); color: #d7e6f5; font-size: 13px; }
.article-content code { padding: .1em .35em; border-radius: 5px; background: #edf2f7; color: #bd2c48; }
.article-content pre code { padding: 0; background: transparent; color: inherit; }
.article-content .alignwide { width: min(1060px, calc(100vw - 40px)); max-width: none; margin-left: 50%; transform: translateX(-50%); }

.article-aside { position: sticky; top: 116px; display: grid; gap: 14px; }
.aside-card { padding: 23px; border: 1px solid var(--line); border-radius: 15px; background: var(--paper-blue); }
.aside-card .eyebrow { margin-bottom: 9px; font-size: 9px; }
.aside-card h2 { margin: 0 0 14px; font-size: 17px; }
.aside-card ul { margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: 12px; }
.aside-card li { position: relative; padding: 8px 0 8px 16px; border-top: 1px solid var(--line); }
.aside-card li::before { content: ""; position: absolute; left: 1px; top: 16px; width: 5px; height: 5px; border-radius: 50%; background: var(--blue); }
.aside-topics { background: #fff; }
.aside-topics a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 0; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 12px; }
.aside-topics a i { color: var(--blue); font-style: normal; }
.article-toc { max-height: min(58vh, 520px); overflow: auto; background: #fff; scrollbar-width: thin; }
.article-toc ol { margin: 0; padding: 0; list-style: none; }
.article-toc li { padding: 0; border-top: 1px solid var(--line); }
.article-toc li::before { display: none; }
.article-toc a { position: relative; display: block; padding: 9px 8px 9px 14px; color: var(--muted); font-size: 11px; line-height: 1.55; }
.article-toc .toc-level-3 a { padding-left: 26px; font-size: 10px; }
.article-toc a::before { content: ""; position: absolute; left: 0; top: 15px; width: 4px; height: 4px; border-radius: 50%; background: #b5c2cf; }
.article-toc a:hover { color: var(--blue); }
.article-toc a.is-current { color: var(--blue-deep); font-weight: 800; }
.article-toc a.is-current::before { width: 5px; height: 12px; top: 11px; border-radius: 3px; background: var(--blue); }

.editorial-note { display: grid; grid-template-columns: auto 1fr; gap: 16px; margin-top: 54px; padding: 24px; border: 1px solid #b8d0ea; border-radius: 14px; background: #f1f7fd; }
.editorial-note-mark { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 900; }
.editorial-note h2 { margin: 0 0 5px; font-size: 16px; }
.editorial-note p { margin: 0; color: var(--muted); font-size: 12px; }

.post-navigation { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 30px; }
.post-navigation > div { min-width: 0; }
.post-navigation a { display: block; height: 100%; padding: 18px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); font-size: 13px; }
.post-navigation a:hover { border-color: #a9c7e7; color: var(--blue); }
.post-navigation span { display: block; margin-bottom: 6px; color: var(--muted); font-size: 9px; letter-spacing: .1em; }
.post-navigation > div:last-child { text-align: right; }

.related-section { padding-top: 110px; }
.related-grid .post-card :is(h2, h3) { font-size: 17px; }

.page-wrap { max-width: 1040px; }
.page-header { padding: 68px 0 42px; border-bottom: 1px solid var(--line); }
.page-header h1 { margin: 0; font-family: var(--display-font); font-size: clamp(40px, 5vw, 62px); line-height: 1.15; letter-spacing: -.04em; }
.page-header > p:not(.eyebrow) { max-width: 780px; margin: 18px 0 0; color: var(--muted); font-size: 18px; }
.page-content { max-width: 820px; margin: 52px auto 0; }

.download-panel { display: grid; grid-template-columns: .72fr 1.28fr; gap: 46px; margin: 0 0 50px; padding: 28px; border-radius: var(--radius-md); background: var(--navy); color: #fff; }
.download-panel > div:first-child h2 { margin: 5px 0 9px; border: 0; color: #fff; font-size: 24px; }
.download-panel > div:first-child p { color: #9fb1c5; font-size: 12px; }
.download-panel-list { display: grid; gap: 10px; }
.download-panel-list article { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 15px; padding: 16px; border: 1px solid rgba(255,255,255,.16); border-radius: 12px; background: rgba(255,255,255,.04); }
.download-panel-list article span:first-child { color: var(--signal); font-size: 9px; font-weight: 800; letter-spacing: .12em; }
.download-panel-list h3 { margin: 2px 0; color: #fff; font-size: 16px; }
.download-panel-list p { margin: 0; color: #9fb1c5; font-size: 10px; }
.download-panel-list .button { min-height: 42px; color: #fff; text-decoration: none; }
.download-panel-list code { grid-column: 1 / -1; overflow-wrap: anywhere; background: rgba(255,255,255,.09); color: #c8d8e8; font-size: 9px; }

/* 404 */
.error-main { min-height: 70vh; padding-bottom: 100px; background: var(--paper-blue); }
.error-card { position: relative; max-width: 920px; margin: 70px auto 0; padding: 70px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-sm); }
.error-code { position: absolute; right: -18px; top: -53px; color: #eef4fa; font-family: var(--display-font); font-size: 210px; font-weight: 900; line-height: 1; }
.error-card > *:not(.error-code) { position: relative; }
.error-card h1 { max-width: 720px; margin: 0; font-family: var(--display-font); font-size: clamp(38px, 5vw, 58px); line-height: 1.16; letter-spacing: -.04em; }
.error-card > p:not(.eyebrow) { max-width: 620px; color: var(--muted); }
.error-card .search-form { max-width: 600px; }
.error-actions { display: flex; align-items: center; gap: 25px; margin-top: 25px; }

/* Footer */
.site-footer { padding: 74px 0 28px; background: #061426; color: #9eb0c2; }
.footer-grid { display: grid; grid-template-columns: 1.6fr .7fr .7fr; gap: 70px; padding-bottom: 54px; }
.wordmark-inverse { color: #fff; }
.wordmark-inverse:hover { color: #fff; }
.wordmark-inverse small { color: #8297ac; }
.footer-brand p { max-width: 520px; margin: 22px 0 0; font-size: 13px; }
.site-footer h2 { margin: 0 0 15px; color: #fff; font-size: 13px; letter-spacing: .08em; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li { margin: 7px 0; }
.site-footer a { color: #aec0d1; font-size: 12px; }
.site-footer a:hover { color: var(--signal); }
.footer-disclosure { display: flex; align-items: flex-end; justify-content: space-between; gap: 50px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.11); font-size: 10px; }
.footer-disclosure p { margin: 0; }
.footer-disclosure p:first-child { max-width: 930px; }
.footer-disclosure p:last-child { white-space: nowrap; }

@media (max-width: 1120px) {
	.header-inner { gap: 20px; }
	.primary-nav .menu > li > a { padding-inline: 10px; font-size: 13px; }
	.header-search { display: none; }
	.hero-layout { grid-template-columns: 1fr 470px; gap: 45px; }
	.system-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
	.topic-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.pathway-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
	.article-layout { grid-template-columns: minmax(0, 1fr) 250px; gap: 50px; }
}

@media (max-width: 860px) {
	.wrap { width: min(calc(100% - 32px), var(--wrap)); }
	.notice-inner a { display: none; }
	.header-inner { min-height: 68px; }
	.menu-toggle { order: 3; display: grid; align-content: center; gap: 5px; width: 42px; height: 42px; margin-left: auto; padding: 9px; border: 1px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer; }
	.menu-toggle > span:not(.screen-reader-text) { display: block; height: 2px; border-radius: 2px; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
	.menu-toggle[aria-expanded="true"] > span:nth-of-type(2) { transform: translateY(7px) rotate(45deg); }
	.menu-toggle[aria-expanded="true"] > span:nth-of-type(3) { opacity: 0; }
	.menu-toggle[aria-expanded="true"] > span:nth-of-type(4) { transform: translateY(-7px) rotate(-45deg); }
	.primary-nav { position: absolute; top: 100%; left: 0; right: 0; display: none; height: calc(100dvh - 68px); overflow: auto; padding: 18px 16px 40px; background: #fff; box-shadow: 0 24px 46px rgba(7,26,47,.14); }
	.primary-nav.is-open { display: block; }
	.primary-nav .menu { display: block; }
	.primary-nav .menu > li { border-bottom: 1px solid var(--line); }
	.primary-nav .menu > li > a { padding: 16px 4px; font-size: 16px; }
	.primary-nav .menu > li > a::after { display: none; }
	.submenu-toggle { top: 14px; right: 3px; width: 30px; height: 30px; }
	.primary-nav .sub-menu { position: static; display: none; min-width: 0; padding: 0 0 12px 14px; border: 0; box-shadow: none; opacity: 1; visibility: visible; transform: none; }
	.primary-nav li.submenu-open > .sub-menu { display: block; }

	.hero-layout { grid-template-columns: 1fr; gap: 60px; padding-block: 70px 82px; }
	.hero-console { width: min(600px, calc(100% - 24px)); margin-inline: auto; }
	.console-chip-a { left: -18px; }
	.console-chip-b { right: -18px; }
	.system-section, .topic-section, .method-section, .faq-section, .latest-section { padding-block: 86px; }
	.split-heading { display: block; }
	.split-heading > p { margin-top: 18px; }
	.system-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.method-layout, .faq-layout { grid-template-columns: 1fr; gap: 48px; }
	.method-copy, .faq-layout .section-heading { position: static; }
	.post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.archive-hero { grid-template-columns: 1fr; gap: 30px; padding-block: 58px 38px; }
	.pathway-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.article-layout { grid-template-columns: 1fr; }
	.article-aside { position: static; grid-template-columns: 1fr 1fr; }
	.article-toc { max-height: none; }
	.footer-grid { grid-template-columns: 1.2fr .8fr .8fr; gap: 36px; }
	.download-panel { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 580px) {
	.wrap { width: min(calc(100% - 24px), var(--wrap)); }
	.notice-inner { justify-content: center; }
	.wordmark strong { font-size: 18px; }
	.wordmark small { font-size: 9px; }
	.wordmark-mark { width: 36px; height: 36px; }
	.hero-layout { min-height: 0; padding-top: 56px; gap: 48px; }
	.hero-copy h1 { font-size: 42px; }
	.hero-copy h1 br { display: none; }
	.hero-lead { font-size: 16px; }
	.hero-actions .button { width: 100%; }
	.hero-proof { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
	.hero-console { width: 100%; transform: none; }
	.console-stage { min-height: 310px; padding-inline: 10px; }
	.console-chip { min-width: 72px; padding: 7px 8px; }
	.console-chip strong { font-size: 14px; }
	.console-chip-a { left: 8px; bottom: 45px; }
	.console-chip-b { right: 8px; top: 66px; }
	.system-section, .topic-section, .method-section, .faq-section, .latest-section { padding-block: 70px; }
	.section-heading h2 { font-size: 34px; }
	.system-grid { grid-template-columns: 1fr; }
	.system-card:first-child { grid-column: auto; }
	.system-card { min-height: 280px; }
	.source-note { grid-template-columns: auto 1fr; }
	.source-note > a { grid-column: 2; }
	.topic-grid { grid-template-columns: 1fr; }
	.topic-card { min-height: 250px; }
	.method-copy h2 { font-size: 38px; }
	.method-list li { grid-template-columns: 48px 1fr; }
	.post-grid { grid-template-columns: 1fr; }
	.post-card-body > p { min-height: 0; }
	.archive-main { padding-bottom: 80px; }
	.archive-hero { padding-top: 46px; }
	.archive-hero h1 { font-size: 45px; }
	.archive-pathways > header, .archive-list-heading { display: block; }
	.pathway-grid { grid-template-columns: 1fr; }
	.pathway-grid a { min-height: 98px; }
	.archive-featured { padding-block: 48px; }
	.archive-grid { padding-top: 38px; }
	.breadcrumbs span[aria-current="page"] { max-width: 44vw; }
	.article-main, .page-main { padding-bottom: 80px; }
	.article-header { padding: 46px 0 34px; }
	.article-header h1 { font-size: 38px; }
	.article-deck { font-size: 16px; }
	.article-meta { display: grid; gap: 7px; }
	.article-meta span + span::before { display: none; }
	.article-featured { margin-bottom: 34px; }
	.article-featured img { border-radius: 16px; }
	.article-content { font-size: 16px; line-height: 1.86; }
	.article-content h2 { font-size: 27px; }
	.article-content table { display: block; overflow-x: auto; }
	.article-aside { grid-template-columns: 1fr; }
	.post-navigation { grid-template-columns: 1fr; }
	.post-navigation > div:last-child { text-align: left; }
	.page-header { padding-top: 48px; }
	.download-panel { margin-inline: -4px; padding: 20px; }
	.download-panel-list article { grid-template-columns: 1fr; }
	.download-panel-list .button { width: 100%; }
	.error-card { margin-top: 40px; padding: 38px 24px; }
	.error-code { font-size: 130px; }
	.error-actions { align-items: flex-start; flex-direction: column; }
	.footer-grid { grid-template-columns: 1fr 1fr; }
	.footer-brand { grid-column: 1 / -1; }
	.footer-disclosure { align-items: flex-start; flex-direction: column; gap: 16px; }
}

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