:root {
    --navy-950: #07172b;
    --navy-900: #0b1f3a;
    --navy-800: #123258;
    --navy-700: #1a4676;
    --blue-700: #0c55bd;
    --blue-600: #1769e0;
    --blue-100: #e9f2ff;
    --blue-50: #f3f8ff;
    --green-700: #087a55;
    --green-100: #dcf7eb;
    --amber-700: #8b5b00;
    --amber-100: #fff3cf;
    --red-700: #a62b2b;
    --red-100: #ffe9e7;
    --ink: #172235;
    --muted: #59677a;
    --line: #d9e2ec;
    --surface: #ffffff;
    --soft: #f7f8fa;
    --shadow-sm: none;
    --shadow-md: none;
    --radius-sm: 6px;
    --radius: 8px;
    --radius-lg: 10px;
    --container: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: light; scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    color: var(--ink);
    background: var(--surface);
    font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
button, input, select, textarea { color: inherit; font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: var(--blue-700); text-decoration-thickness: .08em; text-underline-offset: .18em; }
a:hover { color: var(--blue-600); }
h1, h2, h3, h4, p, ul, ol, dl { margin-top: 0; }
h1, h2, h3, h4 { color: var(--navy-900); line-height: 1.25; letter-spacing: -.025em; }
h1 { font-size: clamp(2.15rem, 5vw, 4.4rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.15rem); }
h3 { font-size: 1.15rem; }
code { overflow-wrap: anywhere; }
:focus-visible { outline: 3px solid #ffb000; outline-offset: 3px; }
::selection { color: var(--navy-950); background: #b9d9ff; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.skip-link { position: fixed; z-index: 1000; top: 10px; left: 10px; padding: 10px 16px; color: #fff; background: var(--navy-950); border-radius: 8px; transform: translateY(-160%); }
.skip-link:focus { color: #fff; transform: translateY(0); }

/* Header */
.site-header { position: relative; z-index: 10; color: var(--ink); background: #fff; border-bottom: 1px solid var(--line); }
.header-inner { display: flex; min-height: 68px; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; min-width: 0; align-items: center; gap: 10px; color: var(--navy-900); text-decoration: none; }
.brand:hover { color: var(--navy-900); }
.brand-mark { display: grid; width: 36px; height: 36px; flex: 0 0 auto; place-items: center; color: #fff; background: var(--blue-600); border-radius: 7px; font-weight: 900; line-height: 1; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 1.15rem; letter-spacing: .03em; }
.brand small { margin-top: -2px; color: var(--muted); font-size: .69rem; }
.site-nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 5px; }
.site-nav a { padding: 8px 11px; color: #46566a; border-radius: 6px; font-size: .9rem; font-weight: 650; text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--blue-700); background: var(--blue-50); }
.identity-strip { color: #59677a; background: #f7f9fb; border-top: 1px solid #edf0f3; font-size: .78rem; }
.identity-strip .container { display: flex; min-height: 32px; align-items: center; }

/* Shared */
.section { padding: 56px 0; }
.section-soft { background: var(--soft); border-block: 1px solid #e8eef5; }
.section-heading { display: flex; margin-bottom: 28px; align-items: end; justify-content: space-between; gap: 24px; }
.section-heading h2 { margin: 2px 0 0; }
.compact-heading { margin-bottom: 20px; }
.eyebrow { color: var(--blue-700); font-size: .77rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow-light { color: #8fc5ff; }
.section-note, .results-heading span { color: var(--muted); font-size: .9rem; }
.text-link { font-weight: 750; text-decoration: none; }
.button {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 18px;
    border: 1px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 750;
    line-height: 1.25;
    text-align: center;
    text-decoration: none;
}
.button-primary { color: #fff; background: var(--blue-600); box-shadow: 0 6px 16px rgba(23, 105, 224, .2); }
.button-primary:hover { color: #fff; background: var(--blue-700); }
.button-secondary { color: var(--navy-900); background: #fff; border-color: #b9c9d9; }
.button-secondary:hover { color: var(--blue-700); border-color: var(--blue-600); }
.button-disabled { color: #6c7888; background: #edf1f5; border-color: #d8dfe7; cursor: not-allowed; box-shadow: none; }
.button-small { min-height: 40px; padding: 8px 14px; font-size: .9rem; }
.button-block { width: 100%; }
.verified-dot { display: inline-block; width: 8px; height: 8px; margin-right: 7px; background: #3bd095; border-radius: 50%; box-shadow: 0 0 0 4px rgba(59, 208, 149, .14); }
.notice-wrap { padding-top: 18px; }
.notice { padding: 12px 16px; border: 1px solid; border-radius: 10px; font-weight: 650; }
.notice-success { color: #075d42; background: var(--green-100); border-color: #8bd3b7; }
.notice-error { color: var(--red-700); background: var(--red-100); border-color: #efaaa4; }
.breadcrumbs { display: flex; margin-bottom: 28px; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--muted); font-size: .86rem; }
.breadcrumbs a { color: var(--blue-700); text-decoration: none; }
.breadcrumbs-light, .breadcrumbs-light a { color: #d0e3f8; }
.content-card, .side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.content-card { padding: clamp(24px, 5vw, 48px); }
.side-card { padding: 24px; }

/* Search */
.search-form { display: grid; width: 100%; min-width: 0; grid-template-columns: 24px minmax(0, 1fr) auto; align-items: center; gap: 10px; padding: 7px 7px 7px 16px; color: var(--ink); background: #fff; border: 1px solid #aebdcd; border-radius: 8px; }
.search-form:focus-within { border-color: var(--blue-600); box-shadow: 0 0 0 3px rgba(23, 105, 224, .12); }
.search-form input { min-width: 0; height: 44px; padding: 0 4px; background: transparent; border: 0; outline: 0; }
.search-form input::placeholder { color: #748195; }
.search-form button { min-height: 44px; padding: 9px 20px; color: #fff; background: var(--blue-600); border: 0; border-radius: 6px; cursor: pointer; font-weight: 750; }
.search-form button:hover { background: var(--blue-700); }
.search-icon { position: relative; width: 17px; height: 17px; border: 2px solid #53677d; border-radius: 50%; }
.search-icon::after { position: absolute; right: -5px; bottom: -3px; width: 7px; height: 2px; content: ""; background: #53677d; transform: rotate(45deg); transform-origin: left center; }

/* Home */
.hero { color: var(--ink); background: #fff; border-bottom: 1px solid var(--line); }
.hero-simple { padding-block: 78px 72px; }
.hero-copy { max-width: 820px; margin-inline: auto; text-align: center; }
.hero h1 { margin: 14px 0 14px; color: var(--navy-900); font-size: clamp(2.2rem, 5vw, 3.75rem); font-weight: 820; }
.hero-copy > p { max-width: 620px; margin-inline: auto; color: var(--muted); font-size: 1rem; }
.hero-copy .search-form { max-width: 760px; margin: 28px auto 0; text-align: left; }
.hero .hero-hint { display: flex; margin: 12px 0 0; justify-content: center; flex-wrap: wrap; gap: 5px 14px; color: var(--muted); font-size: .8rem; }
.hero .hero-hint a { color: var(--muted); text-decoration: none; }
.hero .hero-hint a:hover { color: var(--blue-700); text-decoration: underline; }
.trust-bar { background: #f8fafc; border-bottom: 1px solid var(--line); }
.trust-items { display: flex; min-height: 52px; align-items: center; justify-content: center; flex-wrap: wrap; gap: 10px 28px; color: #506074; font-size: .82rem; }
.trust-items span { white-space: nowrap; }
.trust-items i { color: var(--green-700); font-style: normal; font-weight: 900; }
.trust-items a { color: var(--blue-700); font-weight: 700; text-decoration: none; }
.category-quick-nav { padding: 24px 0; background: var(--blue-50); border-bottom: 1px solid #d7e5f3; }
.category-quick-inner { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 18px 26px; }
.category-quick-inner h2 { margin: 0; color: var(--navy-900); font-size: 1rem; white-space: nowrap; }
.category-quick-inner .category-tags { margin: 0; }
.category-tags { display: flex; margin-bottom: 24px; flex-wrap: wrap; gap: 9px; }
.category-tag { display: inline-flex; min-height: 38px; padding: 8px 13px; align-items: center; gap: 7px; color: #405268; background: #fff; border: 1px solid #cfd9e4; border-radius: 999px; font-size: .84rem; font-weight: 700; line-height: 1; text-decoration: none; }
.category-tag:hover { color: var(--blue-700); border-color: #89acd2; }
.category-tag small { min-width: 20px; padding: 3px 6px; color: #61758b; background: #edf3f8; border-radius: 999px; font-size: .68rem; font-weight: 800; text-align: center; }
.category-tag.is-active { color: #fff; background: var(--blue-700); border-color: var(--blue-700); }
.category-tag.is-active small { color: #eaf4ff; background: rgba(255, 255, 255, .18); }
.section-soft .category-tags { margin-bottom: 0; }

/* Product cards and listing */
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.product-card { display: flex; min-width: 0; min-height: 218px; padding: 20px; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.product-card:hover { border-color: #9ab7d7; }
.product-card-head { display: flex; min-width: 0; align-items: center; gap: 14px; }
.app-icon { display: grid; width: 50px; height: 50px; flex: 0 0 auto; place-items: center; overflow: hidden; color: var(--blue-700); background: var(--blue-50); border: 1px solid #cfe0f2; border-radius: 8px; font-size: 1.35rem; font-weight: 850; text-decoration: none; }
.app-icon img { width: 100%; height: 100%; object-fit: contain; }
.product-card-title { min-width: 0; }
.product-card-title h3 { margin: 0 0 2px; overflow-wrap: anywhere; }
.product-card-title h3 a { color: var(--navy-900); text-decoration: none; }
.product-card-title h3 a:hover { color: var(--blue-700); }
.product-card-title p { margin: 0; overflow: hidden; color: var(--muted); font-size: .8rem; text-overflow: ellipsis; white-space: nowrap; }
.product-summary { display: -webkit-box; min-height: 46px; margin: 16px 0 12px; overflow: hidden; color: #4f5d70; font-size: .86rem; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.product-card-foot { display: flex; margin-top: auto; padding-top: 12px; align-items: center; justify-content: space-between; gap: 10px; border-top: 1px solid #edf1f5; font-size: .78rem; }
.product-platforms { overflow: hidden; color: var(--muted); text-overflow: ellipsis; white-space: nowrap; }
.category-link { color: var(--muted); text-decoration: none; }
.product-card-foot .text-link { white-space: nowrap; }
.page-hero { color: var(--ink); background: #f7f9fb; border-bottom: 1px solid var(--line); }
.page-hero .container { padding-block: 42px; }
.page-hero-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .75fr); align-items: center; gap: 60px; }
.page-hero h1 { margin: 5px 0 10px; color: var(--navy-900); font-size: clamp(2rem, 4vw, 3rem); }
.page-hero p { max-width: 620px; margin: 0; color: var(--muted); }
.page-hero .eyebrow-light { color: var(--blue-700); }
.page-search .search-form { box-shadow: none; }
.results-heading { display: flex; margin-bottom: 22px; align-items: center; justify-content: space-between; gap: 18px; }
.results-heading h2 { margin: 0; font-size: 1.4rem; }
.empty-state { width: 100%; padding: 52px 28px; grid-column: 1 / -1; color: var(--muted); background: var(--soft); border: 1px dashed #b9c8d8; border-radius: var(--radius); text-align: center; }
.empty-state strong { display: block; margin-bottom: 5px; color: var(--navy-900); font-size: 1.15rem; }
.empty-state p { max-width: 580px; margin: 0 auto 18px; }
.empty-state.compact { padding: 28px; }
.pagination { display: flex; margin-top: 34px; flex-wrap: wrap; align-items: center; justify-content: center; gap: 7px; }
.page-link { display: inline-grid; min-width: 42px; height: 42px; padding: 0 10px; place-items: center; color: var(--navy-800); background: #fff; border: 1px solid #cfd9e4; border-radius: 9px; font-size: .88rem; font-weight: 700; text-decoration: none; }
.page-link:hover { color: var(--blue-700); border-color: var(--blue-600); }
.page-link.is-current { color: #fff; background: var(--blue-600); border-color: var(--blue-600); }
.page-link.is-disabled { color: #9aa5b2; background: #f3f5f7; }
.page-wide { padding-inline: 14px; }
.page-ellipsis { color: var(--muted); }
.search-page-head { padding: 58px 0; background: var(--blue-50); border-bottom: 1px solid #dce8f6; }
.narrow-search { max-width: 820px; text-align: center; }
.narrow-search h1 { margin: 6px 0 25px; font-size: clamp(1.8rem, 4vw, 2.75rem); overflow-wrap: anywhere; }
.narrow-search .search-form { text-align: left; box-shadow: var(--shadow-sm); }
.section-search-results { min-height: 390px; }
.search-empty { max-width: 780px; margin-inline: auto; }

/* Detail */
.detail-head { padding: 34px 0 38px; background: #fff; border-bottom: 1px solid #e5ecf4; }
.product-identity { display: flex; align-items: flex-start; gap: 25px; }
.app-icon-large { width: 90px; height: 90px; border-radius: 21px; font-size: 2.25rem; box-shadow: var(--shadow-sm); }
.product-identity-copy { min-width: 0; }
.identity-labels { display: flex; margin-bottom: 8px; flex-wrap: wrap; align-items: center; gap: 10px; }
.identity-labels > a { color: var(--muted); font-size: .8rem; text-decoration: none; }
.verified-badge { display: inline-flex; align-items: center; gap: 5px; padding: 4px 9px; color: #075d42; background: var(--green-100); border-radius: 100px; font-size: .75rem; font-weight: 800; }
.product-identity h1 { margin: 0 0 8px; font-size: clamp(2rem, 5vw, 3.5rem); overflow-wrap: anywhere; }
.product-identity-copy > p { max-width: 720px; margin-bottom: 20px; color: var(--muted); font-size: 1rem; }
.identity-meta { display: flex; margin: 0; flex-wrap: wrap; gap: 10px 32px; }
.identity-meta div { display: flex; gap: 7px; }
.identity-meta dt { color: var(--muted); font-size: .82rem; }
.identity-meta dd { margin: 0; color: var(--navy-900); font-size: .82rem; font-weight: 750; }
.trust-callout { display: flex; margin-top: 24px; padding: 16px 19px; align-items: flex-start; gap: 12px; background: #eef6ff; border: 1px solid #bfdaf8; border-radius: 12px; }
.trust-callout-icon { display: grid; width: 25px; height: 25px; flex: 0 0 auto; place-items: center; color: #fff; background: var(--blue-700); border-radius: 50%; font-family: Georgia, serif; font-weight: 850; }
.trust-callout p { margin: 0; color: #375470; font-size: .9rem; }
.trust-callout strong { color: var(--navy-900); }
.detail-section { padding-top: 42px; background: #f8f9fb; }
.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; align-items: start; gap: 28px; }
.detail-main { min-width: 0; }
.platform-note { padding: 5px 10px; color: var(--muted); background: #fff; border: 1px solid var(--line); border-radius: 100px; font-size: .76rem; }
.release-card { margin-bottom: 20px; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.release-header { display: flex; min-height: 70px; padding: 16px 20px; align-items: center; justify-content: space-between; gap: 20px; background: #f9fbfd; border-bottom: 1px solid var(--line); }
.release-header > div { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; }
.release-header h3 { margin: 0; }
.release-header p { margin: 0; color: var(--muted); font-size: .78rem; }
.channel-badge { padding: 2px 8px; color: #2c506e; background: #e7eff7; border-radius: 100px; font-size: .68rem; font-weight: 800; }
.channel-beta { color: var(--amber-700); background: var(--amber-100); }
.download-list { display: grid; }
.download-option { display: grid; min-width: 0; padding: 20px; grid-template-columns: minmax(180px, 1.1fr) minmax(180px, .9fr) auto; align-items: center; gap: 18px; border-bottom: 1px solid #e9eef3; }
.download-option:last-child { border-bottom: 0; }
.download-option.is-recommended { position: relative; background: #f3f8ff; box-shadow: inset 4px 0 var(--blue-600); }
.download-option.is-recommended::before { position: absolute; top: 7px; right: 8px; padding: 2px 7px; content: "适合当前设备"; color: var(--blue-700); background: var(--blue-100); border-radius: 100px; font-size: .63rem; font-weight: 800; }
.download-platform { display: flex; min-width: 0; align-items: center; gap: 12px; }
.platform-mark { display: grid; width: 42px; height: 42px; flex: 0 0 auto; place-items: center; color: var(--navy-800); background: #eaf0f6; border-radius: 11px; font-weight: 850; }
.download-platform h4 { margin: 0 0 2px; font-size: 1rem; }
.download-platform p, .source-details p, .source-details small { margin: 0; overflow-wrap: anywhere; }
.download-platform p { color: var(--muted); font-size: .75rem; }
.source-details { min-width: 0; }
.source-status { display: inline-flex; margin-bottom: 4px; align-items: center; gap: 4px; color: var(--green-700); font-size: .7rem; font-weight: 800; }
.status-suspect { color: var(--amber-700); }
.status-disabled { color: var(--red-700); }
.source-details p strong, .source-details p span { display: block; }
.source-details p strong { color: var(--navy-900); font-size: .82rem; }
.source-details p span, .source-details small { color: var(--muted); font-size: .68rem; }
.download-action { min-width: 148px; text-align: right; }
.download-action .button { width: 100%; }
.report-details { position: relative; margin-top: 7px; text-align: left; }
.report-details > summary { color: var(--muted); cursor: pointer; font-size: .72rem; text-align: center; }
.report-details[open] > summary { margin-bottom: 10px; }
.report-form { position: relative; z-index: 2; display: grid; width: 280px; margin-left: auto; padding: 14px; gap: 10px; background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow-md); }
.report-form label { display: grid; gap: 4px; color: var(--navy-900); font-size: .76rem; font-weight: 700; }
.report-form select, .report-form textarea { width: 100%; padding: 8px; background: #fff; border: 1px solid #bdc9d5; border-radius: 7px; font-size: .82rem; font-weight: 400; }
.report-form textarea { resize: vertical; }
.honeypot { position: fixed; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.integrity-details { grid-column: 1 / -1; margin: -4px 0 0 54px; color: var(--muted); font-size: .72rem; }
.integrity-details summary { cursor: pointer; }
.integrity-details p { margin: 8px 0 0; }
.integrity-details strong, .integrity-details code { display: block; }
.integrity-details code { padding: 8px; color: #3c4d61; background: #f4f6f8; border-radius: 6px; font-size: .7rem; }
.unavailable-message { margin: 0; color: var(--muted); font-size: .82rem; }
.content-card.prose { margin-top: 30px; }
.detail-aside { position: sticky; top: 20px; display: grid; gap: 16px; }
.side-card h2 { margin-bottom: 14px; font-size: 1.05rem; }
.plain-check-list { display: grid; margin: 0 0 18px; padding: 0; gap: 10px; list-style: none; }
.plain-check-list li { position: relative; padding-left: 20px; color: #4d5c6e; font-size: .82rem; }
.plain-check-list li::before { position: absolute; top: .28em; left: 0; color: var(--green-700); content: "✓"; font-weight: 900; }
.side-meta dl { display: grid; margin: 0; gap: 12px; }
.side-meta dl div { padding-bottom: 10px; border-bottom: 1px solid #edf1f4; }
.side-meta dl div:last-child { padding: 0; border: 0; }
.side-meta dt { color: var(--muted); font-size: .7rem; }
.side-meta dd { margin: 2px 0 0; overflow-wrap: anywhere; color: var(--navy-900); font-size: .82rem; font-weight: 700; }

/* Editorial pages */
.article-hero { color: #d5e3f1; background: linear-gradient(120deg, var(--navy-950), var(--navy-800)); }
.article-head { max-width: 850px; padding-block: 68px; }
.article-head h1 { margin: 8px 0 16px; color: #fff; font-size: clamp(2.15rem, 5vw, 3.6rem); }
.article-head > p { max-width: 720px; margin-bottom: 0; color: #bdcde0; font-size: 1.05rem; }
.article-head .updated-note { margin-top: 18px; color: #93aac2; font-size: .78rem; }
.article-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); align-items: start; gap: 38px; }
.article-nav { position: sticky; top: 20px; display: grid; padding: 18px; gap: 3px; background: var(--soft); border: 1px solid var(--line); border-radius: 12px; }
.article-nav strong { margin-bottom: 7px; color: var(--navy-900); font-size: .82rem; }
.article-nav a { padding: 7px 8px; color: var(--muted); border-radius: 6px; font-size: .78rem; text-decoration: none; }
.article-nav a:hover { color: var(--blue-700); background: #fff; }
.prose { overflow-wrap: anywhere; }
.prose > :first-child { margin-top: 0; }
.prose > :last-child { margin-bottom: 0; }
.prose h2 { margin: 44px 0 14px; scroll-margin-top: 30px; font-size: 1.5rem; }
.prose h3 { margin: 30px 0 12px; }
.prose p, .prose li { color: #46566a; }
.prose a { font-weight: 700; }
.prose ul, .prose ol { padding-left: 1.35em; }
.definition-grid { display: grid; margin: 24px 0; grid-template-columns: 1fr 1fr; gap: 12px; }
.definition-grid div { padding: 18px; background: var(--blue-50); border: 1px solid #d5e6f8; border-radius: 10px; }
.definition-grid strong { color: var(--navy-900); }
.definition-grid p { margin: 5px 0 0; font-size: .84rem; }
.policy-steps { display: grid; margin: 20px 0; padding: 0 !important; gap: 12px; list-style: none; }
.policy-steps li { display: grid; padding: 16px; grid-template-columns: 38px minmax(0, 1fr); gap: 12px; background: #fafbfd; border: 1px solid #e1e7ee; border-radius: 10px; }
.policy-steps li > span { display: grid; width: 34px; height: 34px; place-items: center; color: #fff; background: var(--navy-800); border-radius: 9px; font-weight: 850; }
.policy-steps strong { color: var(--navy-900); }
.policy-steps p { margin: 2px 0 0; font-size: .84rem; }
.about-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; align-items: start; gap: 28px; }
.about-side, .contact-options { display: grid; gap: 15px; }
.value-card > span { color: var(--blue-600); font-size: .75rem; font-weight: 850; letter-spacing: .12em; }
.value-card h2 { margin: 8px 0 7px; }
.value-card p { margin: 0; color: var(--muted); font-size: .85rem; }
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; align-items: start; gap: 28px; }
.contact-type { display: inline-block; padding: 3px 8px; color: var(--blue-700); background: var(--blue-100); border-radius: 100px; font-size: .68rem; font-weight: 800; }
.contact-security { color: var(--red-700); background: var(--red-100); }
.contact-options h2 { margin: 12px 0 6px; font-size: 1rem; }
.contact-options p { margin: 0; color: var(--muted); font-size: .82rem; }

/* Errors */
.error-page { display: grid; min-height: 600px; place-items: center; background: linear-gradient(180deg, #f3f8fe, #fff); }
.error-inner { max-width: 720px; padding-block: 80px; text-align: center; }
.error-code { display: inline-block; color: #a9c5e5; font-size: clamp(4rem, 14vw, 8rem); font-weight: 900; letter-spacing: -.08em; line-height: .9; }
.error-inner h1 { margin: 22px 0 10px; }
.error-inner p { max-width: 560px; margin: 0 auto 28px; color: var(--muted); }
.error-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }

/* Footer */
.site-footer { padding: 28px 0 18px; color: var(--muted); background: #fff; border-top: 1px solid var(--line); }
.footer-simple { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-simple p { margin: 0; font-size: .82rem; }
.footer-simple strong { color: var(--navy-900); }
.footer-simple nav { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-simple nav a { color: var(--muted); font-size: .8rem; text-decoration: none; }
.footer-simple nav a:hover { color: var(--blue-700); }
.footer-bottom { display: flex; margin-top: 18px; padding-top: 14px; justify-content: space-between; gap: 20px; color: #7a8797; border-top: 1px solid #edf0f3; font-size: .72rem; }

@media (max-width: 1020px) {
    .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .page-hero-inner { grid-template-columns: 1fr; gap: 28px; }
    .page-search { max-width: 680px; }
    .detail-layout { grid-template-columns: 1fr; }
    .detail-aside { position: static; grid-template-columns: 1fr 1fr; }
    .download-option { grid-template-columns: minmax(180px, 1fr) minmax(180px, 1fr) auto; }
}

@media (max-width: 780px) {
    .container { width: min(calc(100% - 28px), var(--container)); }
    .section { padding: 48px 0; }
    .header-inner { min-height: 64px; gap: 8px; }
    .brand small { display: none; }
    .site-nav { flex-wrap: nowrap; gap: 0; }
    .site-nav a { padding: 7px 8px; font-size: .8rem; white-space: nowrap; }
    .identity-strip .container { padding-block: 7px; line-height: 1.45; }
    .hero-simple { padding-block: 58px 52px; }
    .hero-copy > p { font-size: 1rem; }
    .trust-items { padding-block: 12px; justify-content: flex-start; gap: 7px 18px; }
    .category-quick-inner { grid-template-columns: 1fr; gap: 13px; }
    .page-hero .container { padding-block: 42px; }
    .product-identity { gap: 16px; }
    .app-icon-large { width: 70px; height: 70px; border-radius: 17px; }
    .identity-meta { display: grid; gap: 7px; }
    .download-option { grid-template-columns: 1fr 1fr; }
    .download-action { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(160px, 1fr) minmax(130px, auto); align-items: start; gap: 10px; text-align: left; }
    .report-details { margin: 0; }
    .report-details > summary { min-height: 46px; padding: 11px; border: 1px solid #cad5e0; border-radius: 9px; text-align: center; }
    .report-form { width: 100%; }
    .integrity-details { margin-left: 0; }
    .article-layout { grid-template-columns: 1fr; }
    .article-nav { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .article-nav strong { grid-column: 1 / -1; }
    .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .about-side { grid-template-columns: repeat(3, 1fr); }
    .about-side .button { grid-column: 1 / -1; }
    .footer-simple { align-items: flex-start; flex-direction: column; gap: 12px; }
}

@media (max-width: 580px) {
    h1 { font-size: 2.35rem; }
    .section-heading { align-items: flex-start; flex-direction: column; gap: 10px; }
    .search-form { grid-template-columns: 22px minmax(0, 1fr); padding: 8px 10px 8px 14px; }
    .search-form button { grid-column: 1 / -1; width: 100%; }
    .product-grid { grid-template-columns: 1fr; }
    .product-card { min-height: 210px; }
    .product-card:hover { transform: none; }
    .product-identity { display: grid; }
    .identity-labels { margin-top: 2px; }
    .trust-callout { align-items: flex-start; }
    .release-header { align-items: flex-start; flex-direction: column; gap: 5px; }
    .download-option { grid-template-columns: 1fr; }
    .download-action { grid-column: auto; grid-template-columns: 1fr; }
    .source-details { padding-left: 54px; }
    .integrity-details { grid-column: auto; }
    .detail-aside { grid-template-columns: 1fr; }
    .definition-grid { grid-template-columns: 1fr; }
    .article-nav { grid-template-columns: 1fr; }
    .article-nav strong { grid-column: auto; }
    .about-side { grid-template-columns: 1fr; }
    .footer-bottom { align-items: flex-start; flex-direction: column; gap: 4px; }
}

@media (max-width: 380px) {
    .container { width: min(calc(100% - 22px), var(--container)); }
    .site-nav a { padding-inline: 8px; }
    .hero-simple { padding-block: 48px 44px; }
    .product-card, .content-card, .side-card, .download-option { padding: 18px; }
    .product-card-foot { align-items: flex-start; flex-direction: column; }
    .pagination { gap: 4px; }
    .page-link { min-width: 38px; height: 40px; padding-inline: 8px; }
    .page-wide { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

@media print {
    .site-header, .site-footer, .search-form, .button, .report-details, .article-nav { display: none !important; }
    body { color: #000; background: #fff; }
    .container { width: 100%; }
    .content-card, .release-card, .side-card { border: 1px solid #aaa; box-shadow: none; }
}