:root {
    --ink: #182427;
    --ink-soft: #2f3f42;
    --muted: #687779;
    --muted-2: #8b9898;
    --line: rgba(40, 58, 60, .14);
    --line-strong: rgba(40, 58, 60, .22);
    --paper: #ecece6;
    --paper-deep: #e2e5df;
    --surface: #f8f8f3;
    --surface-2: #f1f3ee;
    --accent: #617f83;
    --accent-dark: #38585d;
    --accent-soft: #d9e3df;
    --warm: #9a7d58;
    --dark: #162326;
    --dark-2: #213236;
    --success: #54745d;
    --danger: #9b5d53;
    --shadow-sm: 0 8px 24px rgba(25, 39, 40, .06);
    --shadow-md: 0 20px 55px rgba(25, 39, 40, .12);
    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 24px;
    --content: 1192px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background:
        radial-gradient(circle at 8% 12%, rgba(103, 132, 131, .08), transparent 26rem),
        var(--paper);
    color: var(--ink);
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.75;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}
body::selection { background: #bfd0cb; color: var(--ink); }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; }
main { overflow: clip; }
:focus-visible { outline: 3px solid rgba(93, 128, 133, .35); outline-offset: 3px; }

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 80;
    height: 78px;
    color: #fff;
    border-bottom: 1px solid transparent;
    transition: background .28s ease, color .28s ease, box-shadow .28s ease, height .28s ease;
}
.site-header.is-solid {
    height: 70px;
    color: var(--ink);
    background: rgba(238, 239, 233, .9);
    border-color: rgba(37, 53, 55, .09);
    box-shadow: 0 10px 34px rgba(27, 41, 42, .07);
    backdrop-filter: blur(18px) saturate(120%);
    -webkit-backdrop-filter: blur(18px) saturate(120%);
}
.nav-wrap {
    width: min(var(--content), calc(100% - 48px));
    height: 100%;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex: 0 0 auto;
    font-size: 19px;
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: .02em;
}
.brand small {
    display: block;
    margin-top: 6px;
    font-size: 8px;
    font-weight: 600;
    letter-spacing: .24em;
    opacity: .58;
}
.brand-mark {
    position: relative;
    width: 39px;
    height: 39px;
    display: grid;
    place-items: center;
    overflow: hidden;
    border: 1px solid currentColor;
    border-radius: 9px;
    background: rgba(255, 255, 255, .08);
    box-shadow: inset 0 0 0 4px rgba(255, 255, 255, .04);
}
.brand-mark::before {
    content: "";
    position: absolute;
    inset: 8px;
    border: 1px solid currentColor;
    border-radius: 3px;
    opacity: .34;
    transform: rotate(45deg);
}
.brand-logo { width: 42px; height: 42px; object-fit: contain; }
.site-header nav { display: flex; align-items: center; gap: 8px; }
.site-header nav a {
    position: relative;
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 650;
    opacity: .83;
    transition: opacity .2s ease, background .2s ease;
}
.site-header nav a::after {
    content: "";
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 4px;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transition: transform .2s ease;
}
.site-header nav a:hover { opacity: 1; background: rgba(255, 255, 255, .08); }
.site-header.is-solid nav a:hover { background: rgba(46, 67, 69, .06); }
.site-header nav a:hover::after { transform: scaleX(1); }
.menu {
    display: none;
    width: 42px;
    height: 42px;
    padding: 10px;
    border: 1px solid currentColor;
    border-radius: 10px;
    background: transparent;
    color: inherit;
    cursor: pointer;
}
.menu i { display: block; height: 1px; margin: 6px 0; background: currentColor; transition: .2s; }

.hero {
    position: relative;
    height: min(720px, 82vh);
    min-height: 620px;
    overflow: hidden;
    background: var(--dark);
}
.hero::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    z-index: 2;
    height: 150px;
    background: linear-gradient(transparent, rgba(11, 21, 23, .38));
    pointer-events: none;
}
.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.025);
    transition: opacity .9s ease, transform 7s ease;
}
.hero-slide.active { z-index: 1; opacity: 1; transform: scale(1); }
.hero-copy {
    width: min(var(--content), calc(100% - 48px));
    margin: auto;
    padding-top: clamp(162px, 22vh, 205px);
    color: #fff;
}
.hero-copy::before {
    content: "";
    display: block;
    width: 44px;
    height: 2px;
    margin-bottom: 24px;
    background: #bdcfc9;
}
.eyebrow, .kicker {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .25em;
    text-transform: uppercase;
}
.eyebrow { color: #d5e0dc; }
.kicker { color: var(--accent); }
.hero h1 {
    max-width: 700px;
    margin: 16px 0 18px;
    font-size: clamp(42px, 5vw, 64px);
    line-height: 1.12;
    letter-spacing: -.055em;
    text-wrap: balance;
    text-shadow: 0 8px 32px rgba(0, 0, 0, .2);
}
.hero-copy p {
    max-width: 540px;
    margin: 0;
    color: rgba(233, 240, 237, .78);
    font-size: 16px;
    line-height: 1.9;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.btn {
    min-height: 48px;
    padding: 0 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 750;
    transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.primary { background: #f2f3ed; color: var(--ink); box-shadow: 0 10px 26px rgba(0, 0, 0, .15); }
.primary:hover { background: #fff; }
.ghost { border-color: rgba(255, 255, 255, .34); background: rgba(18, 31, 33, .2); color: #fff; backdrop-filter: blur(6px); }
.ghost:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .65); }
.dark { background: var(--dark); color: #fff; }
.dark:hover { background: var(--accent-dark); box-shadow: var(--shadow-sm); }
.dots {
    position: absolute;
    z-index: 4;
    left: max(24px, calc((100vw - var(--content)) / 2));
    bottom: 66px;
    display: flex;
    gap: 9px;
}
.dots button {
    width: 28px;
    height: 4px;
    padding: 0;
    border: 0;
    border-radius: 99px;
    background: rgba(255, 255, 255, .35);
    cursor: pointer;
    transition: width .25s ease, background .25s ease;
}
.dots button.active { width: 52px; background: #fff; }

.home-search {
    position: relative;
    z-index: 10;
    width: min(840px, calc(100% - 40px));
    min-height: 78px;
    margin: -39px auto 0;
    padding: 10px;
    display: grid;
    grid-template-columns: 56px 1fr 138px;
    align-items: center;
    background: rgba(250, 250, 246, .96);
    border: 1px solid rgba(255, 255, 255, .8);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(16px);
}
.home-search span { color: var(--accent); font-size: 25px; text-align: center; }
.home-search input { width: 100%; height: 100%; border: 0; outline: 0; background: transparent; color: var(--ink); }
.home-search input::placeholder, .inline-search input::placeholder { color: #98a2a1; }
.home-search button, .inline-search button {
    height: 100%;
    border: 0;
    border-radius: 10px;
    background: var(--accent-dark);
    color: #fff;
    font-weight: 750;
    cursor: pointer;
    transition: background .2s ease, transform .2s ease;
}
.home-search button:hover, .inline-search button:hover { background: var(--dark); }

.section { width: min(var(--content), 100%); margin: auto; padding: 100px 24px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 38px; }
.section-head h2, .os-band h2, .product-copy h2, .coming h2, .faq-home h2, .list-head h1 {
    margin: 9px 0 0;
    font-size: clamp(30px, 3vw, 40px);
    line-height: 1.24;
    letter-spacing: -.04em;
    text-wrap: balance;
}
.section-head > p { max-width: 460px; margin: 0; color: var(--muted); }
.section-head a { color: var(--accent-dark); font-size: 13px; font-weight: 750; }

.game-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.game-card {
    min-width: 0;
    overflow: hidden;
    background: rgba(248, 248, 243, .9);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 2px 0 rgba(255, 255, 255, .65) inset;
    transition: transform .26s ease, box-shadow .26s ease, border-color .26s ease;
}
.game-card:hover { transform: translateY(-7px); border-color: rgba(76, 107, 109, .26); box-shadow: var(--shadow-md); }
.game-thumb { position: relative; height: 182px; overflow: hidden; background-size: cover; background-position: center; }
.game-thumb::after { content: ""; position: absolute; inset: 0; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.game-thumb span {
    position: absolute;
    z-index: 1;
    left: 18px;
    bottom: 15px;
    color: #fff;
    font-size: 9px;
    font-weight: 750;
    letter-spacing: .2em;
}
.game-body { padding: 22px 22px 20px; }
.game-body h3 { margin: 0; font-size: 20px; letter-spacing: -.02em; }
.game-body p { min-height: 52px; margin: 8px 0; color: var(--muted); font-size: 12px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0; }
.tags em, .guide-card em {
    padding: 3px 8px;
    border-radius: 99px;
    background: var(--accent-soft);
    color: #587175;
    font-size: 9px;
    font-style: normal;
}
.game-body b { display: flex; justify-content: space-between; margin-top: 17px; font-size: 11px; }
.game-body b i { color: var(--accent); font-style: normal; }

.os-band {
    position: relative;
    overflow: hidden;
    max-width: none;
    padding: 86px max(24px, calc((100vw - var(--content)) / 2));
    display: grid;
    grid-template-columns: .72fr 1.28fr;
    gap: 74px;
    align-items: center;
    background: #dce3df;
    border-block: 1px solid rgba(53, 75, 75, .08);
}
.os-band::before {
    content: "";
    position: absolute;
    right: -8%;
    top: -70%;
    width: 560px;
    height: 560px;
    border: 1px solid rgba(62, 91, 92, .1);
    border-radius: 50%;
    box-shadow: 0 0 0 60px rgba(255, 255, 255, .06), 0 0 0 120px rgba(255, 255, 255, .04);
}
.os-band > * { position: relative; z-index: 1; }
.os-band > div:first-child p { color: var(--muted); }
.os-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.os-card {
    min-height: 154px;
    padding: 27px;
    display: grid;
    grid-template-columns: 52px 1fr 20px;
    align-items: center;
    gap: 16px;
    background: rgba(249, 249, 244, .78);
    border: 1px solid rgba(255, 255, 255, .7);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: transform .2s ease, background .2s ease;
}
.os-card:hover { transform: translateY(-4px); background: var(--surface); }
.os-icon, .platform-icon { color: var(--accent); font-size: 33px; }
.os-card h3 { margin: 0; font-size: 18px; }
.os-card p { margin: 4px 0 0; color: var(--muted); font-size: 11px; }
.os-card > i { color: var(--accent); font-style: normal; }

.guide-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--line);
    gap: 1px;
}
.guide-card {
    min-height: 274px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    background: var(--surface);
    transition: background .2s ease, transform .2s ease;
}
.guide-card:hover { background: #fff; }
.guide-num { color: var(--muted-2); font-size: 11px; font-variant-numeric: tabular-nums; }
.guide-card small { margin-top: 28px; color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: .05em; }
.guide-card h3 { margin: 9px 0; font-size: 18px; line-height: 1.5; letter-spacing: -.02em; }
.guide-card p { flex: 1; color: var(--muted); font-size: 12px; }
.guide-card > div { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 10px; }

.product-section {
    max-width: none;
    padding-inline: max(24px, calc((100vw - var(--content)) / 2));
    display: grid;
    grid-template-columns: .72fr 1.28fr;
    gap: 72px;
    background: #cfd9d4;
}
.product-copy p { margin-bottom: 26px; color: #526365; }
.product-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.product-card {
    position: relative;
    min-height: 232px;
    padding: 31px;
    display: block;
    overflow: hidden;
    border: 1px solid rgba(48, 71, 72, .11);
    border-radius: var(--radius);
    background: rgba(244, 246, 241, .78);
    transition: transform .2s ease, box-shadow .2s ease;
}
.product-card::after { content: "↗"; position: absolute; top: 25px; right: 26px; color: var(--accent); font-size: 18px; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.product-card.featured { background: var(--dark-2); color: #fff; }
.product-card > span { font-size: 9px; font-weight: 800; letter-spacing: .2em; }
.product-card h3 { margin: 26px 0 5px; font-size: 21px; }
.product-card p { color: #718183; font-size: 12px; }
.product-card.featured p { color: #afbfbd; }
.product-card b { display: block; margin-top: 28px; font-size: 11px; }

.coming { text-align: center; }
.coming > div:first-child p { max-width: 700px; margin: 14px auto; color: var(--muted); }
.roadmap { display: flex; align-items: center; justify-content: center; margin-top: 44px; }
.roadmap span {
    min-width: 150px;
    padding: 16px 20px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface-2);
    font-size: 12px;
}
.roadmap span.done { border-color: transparent; background: var(--dark-2); color: #fff; }
.roadmap span b { display: block; color: var(--muted-2); font-size: 8px; letter-spacing: .12em; }
.roadmap i { width: 54px; height: 1px; background: var(--line-strong); }

.faq-home { display: grid; grid-template-columns: .68fr 1.32fr; gap: 70px; border-top: 1px solid var(--line); }
.faq-home > div:last-child { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.faq-home article {
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: rgba(248, 248, 243, .55);
}
.faq-home article b { color: var(--accent); font-size: 9px; }
.faq-home h3 { margin: 17px 0 7px; font-size: 16px; }
.faq-home p { margin: 0; color: var(--muted); font-size: 11px; }

footer {
    padding: 68px max(24px, calc((100vw - var(--content)) / 2)) 24px;
    background:
        radial-gradient(circle at 80% 0, rgba(112, 148, 145, .1), transparent 30rem),
        var(--dark);
    color: #d4deda;
}
.footer-main { display: grid; grid-template-columns: 1.5fr .7fr .7fr 1.2fr; gap: 54px; }
.footer-brand { color: #fff; }
.footer-main > div > p { max-width: 320px; color: #91a19f; font-size: 11px; }
.footer-main > div:not(:first-child) { display: flex; flex-direction: column; gap: 9px; font-size: 11px; }
.footer-main b { margin-bottom: 6px; color: #fff; }
.footer-main a { color: #9facaa; transition: color .2s ease; }
.footer-main a:hover { color: #fff; }
.footer-bottom { margin-top: 46px; padding-top: 19px; border-top: 1px solid #324246; color: #758583; font-size: 9px; }

.game-hero {
    position: relative;
    min-height: 470px;
    padding: 0 max(24px, calc((100vw - var(--content)) / 2)) 67px;
    display: flex;
    align-items: end;
    overflow: hidden;
    background-position: center;
    background-size: cover;
    color: #fff;
}
.game-hero::after { content: ""; position: absolute; inset: 0; border-bottom: 1px solid rgba(255, 255, 255, .08); pointer-events: none; }
.game-hero > div { position: relative; z-index: 1; max-width: 760px; }
.game-hero h1 { margin: 11px 0; font-size: clamp(38px, 4.5vw, 54px); line-height: 1.18; letter-spacing: -.05em; }
.game-hero p { max-width: 620px; color: #cbd6d2; }
.crumb { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 10px; }
.crumb i { opacity: .38; }
.crumb a:hover { text-decoration: underline; }

.platform-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.platform-grid > a {
    min-height: 250px;
    padding: 38px;
    display: grid;
    grid-template-columns: 62px 1fr;
    gap: 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.platform-grid > a:hover { transform: translateY(-5px); border-color: rgba(76, 107, 109, .3); box-shadow: var(--shadow-md); }
.platform-grid small { color: var(--accent); font-size: 9px; font-weight: 750; letter-spacing: .08em; }
.platform-grid h2 { margin: 6px 0; font-size: 27px; letter-spacing: -.03em; }
.platform-grid p { color: var(--muted); font-size: 12px; }
.platform-grid b { display: inline-block; margin-top: 16px; font-size: 11px; }
.checklist { padding-top: 14px; }
.check-grid { display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--line); gap: 1px; }
.check-grid article { min-height: 170px; padding: 27px; background: rgba(246, 247, 242, .75); }
.check-grid b { color: var(--accent); font-size: 9px; }
.check-grid h3 { margin: 17px 0 7px; font-size: 16px; }
.check-grid p { margin: 0; color: var(--muted); font-size: 11px; }
.related { padding-top: 12px; }
.related > a {
    padding: 25px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    border-top: 1px solid var(--line);
    transition: padding .2s ease, background .2s ease;
}
.related > a:hover { padding-inline: 22px; background: rgba(248, 248, 243, .6); }
.related small { color: var(--accent); font-size: 9px; }
.related h3 { margin: 5px 0; font-size: 18px; }
.related p { margin: 0; color: var(--muted); font-size: 11px; }
.related > a > span { flex: 0 0 auto; font-size: 11px; }

.inner-page, .article-wrap {
    width: min(1120px, 100%);
    min-height: 72vh;
    margin: auto;
    padding: 130px 24px 104px;
}
.article-wrap { width: min(var(--content), 100%); }
.dark-crumb { color: #6f7f80; }
.list-head { position: relative; margin: 54px 0 44px; }
.list-head::before { content: ""; display: block; width: 42px; height: 2px; margin-bottom: 22px; background: var(--accent); }
.list-head p { max-width: 720px; color: var(--muted); }
.tutorial-list { border-bottom: 1px solid var(--line); }
.tutorial-list > a {
    display: grid;
    grid-template-columns: 68px 1fr 126px;
    align-items: center;
    gap: 16px;
    padding: 27px 14px;
    border-top: 1px solid var(--line);
    transition: background .2s ease, padding .2s ease;
}
.tutorial-list > a:hover { padding-inline: 22px; background: rgba(248, 248, 243, .7); }
.tutorial-list > a > span { color: var(--muted-2); font-size: 10px; font-variant-numeric: tabular-nums; }
.tutorial-list small { color: var(--accent); font-size: 9px; font-weight: 700; letter-spacing: .05em; }
.tutorial-list h2 { margin: 4px 0; font-size: 19px; letter-spacing: -.02em; }
.tutorial-list p { margin: 0; color: var(--muted); font-size: 11px; }
.tutorial-list > a > b { color: var(--accent-dark); font-size: 10px; text-align: right; }
.notice, .empty {
    margin-top: 35px;
    padding: 22px 24px;
    border: 1px solid rgba(86, 116, 108, .16);
    border-radius: var(--radius-sm);
    background: #dfe7e1;
}
.notice p { margin: 4px 0; color: var(--muted); font-size: 12px; }
.inline-search { width: min(650px, 100%); height: 54px; margin-top: 28px; display: grid; grid-template-columns: 1fr 104px; gap: 8px; }
.inline-search input { min-width: 0; padding: 0 17px; border: 1px solid var(--line); border-radius: 10px; outline: 0; background: var(--surface); color: var(--ink); }
.inline-search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(93, 126, 130, .12); }

.faq-page { width: min(980px, 100%); }
.faq-list { display: grid; gap: 10px; }
.faq-list details {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: rgba(248, 248, 243, .72);
    transition: background .2s ease, border-color .2s ease;
}
.faq-list details[open] { border-color: rgba(84, 116, 118, .25); background: var(--surface); }
.faq-list summary {
    min-height: 76px;
    padding: 0 21px;
    display: grid;
    grid-template-columns: 48px 1fr 28px;
    align-items: center;
    cursor: pointer;
    font-weight: 750;
    list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--accent); font-size: 9px; }
.faq-list summary i { font-size: 20px; font-style: normal; font-weight: 400; transition: transform .2s ease; }
.faq-list details[open] summary i { transform: rotate(45deg); }
.faq-list details p { margin: 0; padding: 0 68px 25px; color: var(--muted); font-size: 13px; }

.article-head {
    margin-top: 28px;
    padding: 43px 42px 38px;
    display: grid;
    grid-template-columns: 1fr 330px;
    align-items: end;
    gap: 58px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(249, 249, 244, .92), rgba(229, 234, 228, .74));
    box-shadow: var(--shadow-sm);
}
.article-head h1 { margin: 10px 0 13px; font-size: clamp(32px, 4vw, 46px); line-height: 1.26; letter-spacing: -.045em; text-wrap: balance; }
.article-head p { margin-bottom: 0; color: var(--muted); }
.article-head dl { margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); }
.article-head dl > div { min-width: 0; padding-left: 17px; border-left: 1px solid var(--line); }
.article-head dt { color: var(--muted-2); font-size: 9px; }
.article-head dd { margin: 5px 0 0; font-size: 12px; font-weight: 750; }
.article-cover { margin: 25px 0 0; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface-2); }
.article-cover img { width: 100%; max-height: 520px; display: block; object-fit: cover; }
.article-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 78px; padding-top: 50px; }
.article-layout aside {
    position: sticky;
    top: 100px;
    align-self: start;
    padding: 21px 20px;
    display: flex;
    flex-direction: column;
    gap: 9px;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: rgba(247, 248, 243, .78);
    font-size: 11px;
}
.article-layout aside > b { margin-bottom: 6px; font-size: 12px; }
.article-layout aside nav { display: flex; flex-direction: column; gap: 5px; }
.article-layout aside a { padding: 6px 9px; border-radius: 7px; color: #718083; transition: background .2s ease, color .2s ease; }
.article-layout aside a:hover, .article-layout aside a.active { background: var(--accent-soft); color: var(--accent-dark); }
.article-layout aside .toc-back { margin-top: 9px; padding-top: 12px; border-top: 1px solid var(--line); color: var(--accent-dark); font-weight: 700; }
.prose { min-width: 0; max-width: 780px; }
.prose section { padding-bottom: 66px; scroll-margin-top: 100px; }
.prose section + section { padding-top: 4px; border-top: 1px solid rgba(44, 62, 63, .08); }
.prose h2 { margin: 8px 0 17px; font-size: 29px; line-height: 1.35; letter-spacing: -.035em; }
.prose h3 { margin: 30px 0 12px; font-size: 20px; }
.prose p, .prose li { color: #506063; font-size: 14px; }
.prose a { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 3px; }
.prose img { height: auto; border-radius: 10px; }
.step { display: inline-block; margin-bottom: 4px; color: var(--accent); font-size: 9px; font-weight: 800; letter-spacing: .2em; }
.info, .warn {
    margin: 25px 0;
    padding: 19px 21px;
    border: 1px solid rgba(83, 120, 100, .16);
    border-left: 3px solid #64836d;
    border-radius: 0 10px 10px 0;
    background: #dfe8e2;
}
.warn { border-color: rgba(146, 112, 72, .17); border-left-color: var(--warm); background: #ebe3d6; }
.info p, .warn p { margin: 3px 0 0; font-size: 12px; }
.code {
    margin: 26px 0;
    overflow: hidden;
    border: 1px solid #314246;
    border-radius: 12px;
    background: #172326;
    color: #dce7e3;
    box-shadow: 0 13px 30px rgba(23, 35, 38, .13);
}
.code > div { min-height: 44px; padding: 0 15px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #314246; color: #829693; font-size: 9px; }
.code button { padding: 5px 10px; border: 1px solid #4c6062; border-radius: 6px; background: transparent; color: #d0dcda; font-size: 9px; cursor: pointer; }
.code button:hover { border-color: #91aaa7; color: #fff; }
.code pre { margin: 0; padding: 20px; overflow: auto; font: 12px/1.85 Consolas, Monaco, monospace; }
.reading-progress { position: fixed; inset: 0 0 auto; z-index: 120; height: 3px; transform-origin: left; transform: scaleX(0); background: #7fa19e; pointer-events: none; }

.admin-content img { max-width: 100%; height: auto; }
.admin-content font[size="4"] { font-size: 18px; }
.admin-content font[size="5"] { font-size: 24px; }
.admin-content font[size="6"] { font-size: 30px; }
.admin-content ul, .admin-content ol { padding-left: 24px; }
.admin-content a { color: #4d737a; text-decoration: underline; }

@media (max-width: 1050px) {
    .game-grid { grid-template-columns: repeat(2, 1fr); }
    .guide-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-main { grid-template-columns: 1.3fr 1fr 1fr; }
    .footer-main > div:last-child { grid-column: 1 / -1; }
    .article-head { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 900px) {
    .site-header, .site-header.is-solid { height: 66px; }
    .nav-wrap { width: calc(100% - 36px); }
    .site-header nav {
        position: absolute;
        inset: 66px 12px auto;
        padding: 15px;
        display: none;
        align-items: stretch;
        flex-direction: column;
        gap: 3px;
        border: 1px solid var(--line);
        border-radius: 14px;
        background: rgba(241, 243, 237, .97);
        color: var(--ink);
        box-shadow: var(--shadow-md);
        backdrop-filter: blur(18px);
    }
    .site-header nav.open { display: flex; }
    .site-header nav a { padding: 11px 12px; }
    .menu { display: block; }
    .hero { min-height: 570px; height: 650px; }
    .hero-copy { width: calc(100% - 40px); padding-top: 150px; }
    .hero h1 { font-size: 44px; }
    .dots { left: 20px; bottom: 62px; }
    .section { padding: 76px 20px; }
    .section-head { display: block; }
    .section-head > p { margin-top: 13px; }
    .os-band, .product-section, .faq-home { grid-template-columns: 1fr; gap: 36px; padding: 72px 20px; }
    .platform-grid { grid-template-columns: 1fr; }
    .check-grid { grid-template-columns: 1fr 1fr; }
    .article-layout { grid-template-columns: 1fr; gap: 30px; }
    .article-layout aside { position: static; }
    .article-layout aside nav { display: grid; grid-template-columns: 1fr 1fr; }
    .prose { max-width: none; }
}

@media (max-width: 620px) {
    body { font-size: 14px; }
    .brand { font-size: 17px; }
    .brand-mark { width: 36px; height: 36px; }
    .hero { min-height: 545px; height: 88vh; max-height: 650px; }
    .hero-copy { padding-top: 132px; }
    .hero-copy::before { margin-bottom: 19px; }
    .hero h1 { font-size: 35px; letter-spacing: -.045em; }
    .hero-copy p { font-size: 13px; }
    .hero-actions { margin-top: 27px; }
    .hero-actions .btn { min-height: 45px; padding-inline: 17px; }
    .dots { bottom: 60px; }
    .home-search { min-height: 68px; grid-template-columns: 42px 1fr 86px; padding: 8px; border-radius: 13px; }
    .home-search button { font-size: 12px; }
    .section { padding-block: 66px; }
    .game-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .game-thumb { height: 123px; }
    .game-body { padding: 15px; }
    .game-body h3 { font-size: 16px; }
    .game-body p { min-height: 58px; font-size: 10px; line-height: 1.65; }
    .tags { display: none; }
    .game-body b { font-size: 9px; }
    .os-grid, .product-cards, .guide-grid { grid-template-columns: 1fr; }
    .os-card { min-height: 116px; padding: 21px; }
    .guide-card { min-height: 230px; }
    .roadmap { align-items: stretch; }
    .roadmap span { min-width: 0; padding: 12px 8px; flex: 1; font-size: 10px; }
    .roadmap i { width: 11px; }
    .faq-home > div:last-child { grid-template-columns: 1fr; }
    .footer-main { grid-template-columns: 1fr 1fr; gap: 34px 24px; }
    .footer-main > div:first-child, .footer-main > div:last-child { grid-column: 1 / -1; }
    .game-hero { min-height: 400px; padding-bottom: 46px; }
    .game-hero h1 { font-size: 34px; }
    .platform-grid > a { min-height: 220px; padding: 26px; grid-template-columns: 45px 1fr; }
    .check-grid { grid-template-columns: 1fr 1fr; }
    .check-grid article { min-height: 155px; padding: 21px; }
    .related > a { align-items: flex-start; }
    .related > a > span { display: none; }
    .inner-page, .article-wrap { padding: 105px 20px 72px; }
    .list-head { margin-top: 42px; }
    .tutorial-list > a { grid-template-columns: 36px 1fr; padding: 22px 5px; gap: 8px; }
    .tutorial-list > a > b { display: none; }
    .tutorial-list p { display: -webkit-box; overflow: hidden; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
    .faq-list summary { padding-inline: 15px; grid-template-columns: 36px 1fr 22px; }
    .faq-list details p { padding: 0 51px 22px; }
    .article-head { margin-top: 23px; padding: 28px 24px; border-radius: 17px; }
    .article-head h1 { font-size: 30px; }
    .article-head dl { grid-template-columns: repeat(3, 1fr); }
    .article-head dl > div { padding-left: 10px; }
    .article-head dd { font-size: 10px; }
    .article-layout { padding-top: 32px; }
    .article-layout aside nav { grid-template-columns: 1fr; }
    .prose h2 { font-size: 25px; }
    .code pre { padding: 17px; font-size: 11px; }
}

@media (max-width: 390px) {
    .game-grid { grid-template-columns: 1fr; }
    .game-thumb { height: 180px; }
    .game-body p { min-height: 0; }
    .check-grid { grid-template-columns: 1fr; }
    .footer-main { grid-template-columns: 1fr; }
    .footer-main > div { grid-column: auto !important; }
}

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