:root {
    --bg: #090e1b;
    --bg-soft: #0d1424;
    --panel: #11182a;
    --panel-2: #151e33;
    --line: #26324d;
    --text: #f5f7ff;
    --muted: #91a0bd;
    --muted-2: #6f7f9f;
    --accent: #7087ff;
    --accent-2: #8f6dff;
    --mint: #45e0b7;
    --amber: #ffbd69;
    --blue: #55a8ff;
    --danger: #ff6f7d;
    --radius: 18px;
    --shadow: 0 28px 80px rgba(0, 0, 0, .34);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI", "Microsoft YaHei UI", "PingFang SC", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
body::selection { background: rgba(112, 135, 255, .38); }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
img { max-width: 100%; }
.container { width: min(1180px, calc(100% - 44px)); margin: 0 auto; }
.narrow-container { width: min(860px, calc(100% - 44px)); }
.skip-link {
    position: fixed;
    z-index: 1000;
    left: 20px;
    top: -80px;
    padding: 10px 16px;
    border-radius: 9px;
    background: white;
    color: #11182a;
    transition: top .2s ease;
}
.skip-link:focus { top: 14px; }

.site-header {
    position: sticky;
    z-index: 50;
    top: 0;
    border-bottom: 1px solid rgba(77, 94, 132, .28);
    background: rgba(9, 14, 27, .83);
    backdrop-filter: blur(20px);
}
.nav-shell {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}
.brand img {
    border-radius: 11px;
    filter: drop-shadow(0 7px 17px rgba(66, 131, 255, .26));
}
.brand span { min-width: 0; display: flex; flex-direction: column; line-height: 1.25; }
.brand strong { font-size: 15px; white-space: nowrap; }
.brand small { color: var(--muted-2); font-size: 11px; margin-top: 4px; }
.site-nav { display: flex; align-items: center; gap: 5px; }
.site-nav a, .language-link.standalone {
    padding: 9px 12px;
    color: #aab5cf;
    border-radius: 9px;
    font-size: 13px;
    font-weight: 600;
    transition: color .2s ease, background .2s ease, transform .2s ease;
}
.site-nav a:hover, .site-nav a:focus-visible, .language-link.standalone:hover {
    color: white;
    background: #171f35;
}
.site-nav .language-link { color: #8da1d5; }
.site-nav .nav-download {
    margin-left: 6px;
    padding-inline: 17px;
    color: white;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.site-nav .nav-download:hover { background: linear-gradient(135deg, #8195ff, #a47dff); transform: translateY(-1px); }
.nav-toggle { display: none; }

.hero {
    position: relative;
    overflow: hidden;
    padding: 100px 0 0;
    background:
        linear-gradient(180deg, rgba(13, 20, 36, .62), transparent 45%),
        radial-gradient(circle at 50% -20%, rgba(76, 101, 214, .12), transparent 48%);
}
.hero::before {
    position: absolute;
    inset: 0;
    content: "";
    pointer-events: none;
    opacity: .14;
    background-image:
        linear-gradient(rgba(133, 151, 196, .18) 1px, transparent 1px),
        linear-gradient(90deg, rgba(133, 151, 196, .18) 1px, transparent 1px);
    background-size: 58px 58px;
    mask-image: linear-gradient(to bottom, black, transparent 78%);
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(100px); opacity: .18; pointer-events: none; }
.hero-glow-one { width: 420px; height: 420px; background: var(--accent); right: -100px; top: 50px; }
.hero-glow-two { width: 320px; height: 320px; background: var(--mint); left: -130px; top: 320px; opacity: .08; }
.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, .86fr) minmax(550px, 1.14fr);
    align-items: center;
    gap: 62px;
}
.eyebrow, .section-kicker {
    color: #9db0df;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 22px; }
.eyebrow span { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 6px rgba(69, 224, 183, .1); }
.hero h1 {
    margin: 0;
    max-width: 660px;
    font-size: clamp(48px, 5.5vw, 76px);
    line-height: 1.08;
    letter-spacing: -.045em;
    background: linear-gradient(135deg, #fff 12%, #cdd6f5 58%, #9caeeb);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero-summary { max-width: 620px; margin: 25px 0 0; color: #a9b4cd; font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button {
    min-height: 48px;
    padding: 11px 20px;
    border: 1px solid transparent;
    border-radius: 11px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-weight: 700;
    font-size: 14px;
    transition: transform .2s ease, filter .2s ease, border-color .2s ease, background .2s ease;
}
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { color: white; background: linear-gradient(135deg, var(--accent), var(--accent-2)); box-shadow: 0 16px 34px rgba(111, 125, 255, .22); }
.button-primary:hover { filter: brightness(1.08); }
.button-secondary { color: #d8dff2; background: #151e33; border-color: #2a3858; }
.button-secondary:hover { border-color: #526a9f; background: #19243d; }
.release-line { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; margin-top: 23px; color: var(--muted-2); font-size: 12px; }
.release-line strong { color: #cfd7ec; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 14px var(--mint); }

.product-stage { position: relative; min-height: 540px; display: flex; align-items: center; perspective: 1400px; }
.app-window {
    width: 100%;
    overflow: hidden;
    border: 1px solid #344364;
    border-radius: 17px;
    background: #090e1b;
    box-shadow: 0 45px 100px rgba(0, 0, 0, .48), 0 0 0 1px rgba(119, 143, 217, .06);
    transform: rotateY(-3deg) rotateX(1deg);
}
.app-titlebar { height: 48px; display: flex; align-items: center; justify-content: space-between; padding: 0 16px; background: #0e1526; border-bottom: 1px solid #1e2940; color: #c8d1e8; font-size: 11px; }
.app-brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 700; }
.app-brand img { width: 25px; height: 25px; border-radius: 7px; }
.window-buttons { letter-spacing: .55em; color: #7986a4; }
.app-body { min-height: 386px; display: grid; grid-template-columns: 134px 1fr; }
.app-body aside { padding: 25px 10px; background: #0c1322; border-right: 1px solid #1e2940; }
.app-body aside span { display: block; margin-bottom: 6px; padding: 9px 10px; border-radius: 8px; color: #7583a2; font-size: 10px; }
.app-body aside .active { background: #202a50; color: white; }
.app-content { padding: 25px 23px 22px; }
.app-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.app-heading div { display: flex; flex-direction: column; }
.app-heading b { font-size: 19px; }
.app-heading small { margin-top: 3px; color: #6f7f9f; font-size: 8px; }
.app-heading i { padding: 3px 9px; border-radius: 20px; color: var(--mint); background: rgba(69, 224, 183, .09); font-size: 8px; font-style: normal; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-top: 19px; }
.metric-grid div { min-width: 0; padding: 13px; border: 1px solid #26324d; border-radius: 10px; background: #11182a; }
.metric-grid small { display: block; margin-bottom: 6px; color: #7586ad; font-size: 8px; }
.metric-grid strong { display: block; overflow: hidden; color: white; font-size: 10px; white-space: nowrap; text-overflow: ellipsis; }
.temperature-card { margin-top: 11px; padding: 16px; border: 1px solid #26324d; border-radius: 11px; background: #11182a; }
.temperature-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.temperature-title b { font-size: 12px; }
.temperature-title small { color: #6f7f9f; font-size: 7px; }
.sensor-row { display: grid; grid-template-columns: 1fr auto 34px 34px; align-items: center; gap: 9px; padding: 9px 0; border-top: 1px solid #1d2942; font-size: 8px; }
.sensor-row > span { display: flex; min-width: 0; flex-direction: column; }
.sensor-row span b { overflow: hidden; color: #dce4f7; white-space: nowrap; text-overflow: ellipsis; }
.sensor-row span small { margin-top: 2px; color: #6d7c9b; font-size: 7px; }
.sensor-row em { color: var(--mint); font-size: 10px; font-style: normal; font-weight: 800; }
.sensor-row i { color: #8495ba; font-style: normal; }
.sensor-row > strong { color: var(--amber); }
.floating-temperature {
    position: absolute;
    right: -20px;
    bottom: 18px;
    width: 160px;
    padding: 13px;
    border: 1px solid rgba(94, 119, 177, .6);
    border-radius: 13px;
    background: rgba(13, 20, 36, .92);
    backdrop-filter: blur(18px);
    box-shadow: 0 22px 55px rgba(0, 0, 0, .44);
    transform: translateZ(30px);
}
.floating-temperature small { display: block; margin-bottom: 7px; color: #6f82af; font-size: 7px; font-weight: 800; letter-spacing: .12em; }
.floating-temperature span { display: flex; justify-content: space-between; padding: 4px 0; font-size: 10px; }
.floating-temperature span b { color: #cbd5ec; }
.floating-temperature span em { color: var(--mint); font-style: normal; font-weight: 800; }
.trust-strip {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-top: 82px;
    border-top: 1px solid #202c45;
    border-bottom: 1px solid #202c45;
    background: rgba(13, 20, 36, .48);
}
.trust-strip div { padding: 27px 22px; text-align: center; border-right: 1px solid #202c45; }
.trust-strip div:last-child { border-right: 0; }
.trust-strip strong { display: block; color: #ecf1ff; font-size: 22px; }
.trust-strip span { display: block; margin-top: 3px; color: #71809f; font-size: 11px; }

.section { padding: 118px 0; }
.section-heading { max-width: 720px; margin: 0 auto 52px; text-align: center; }
.section-heading > span { color: #8195c7; font-size: 11px; font-weight: 800; letter-spacing: .16em; }
.section-heading h2, .split-copy h2, .update-copy h2, .open-source-card h2 {
    margin: 13px 0 0;
    font-size: clamp(34px, 4vw, 50px);
    line-height: 1.22;
    letter-spacing: -.035em;
}
.section-heading p { margin: 17px auto 0; color: var(--muted); font-size: 17px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
.feature-card {
    position: relative;
    min-height: 290px;
    padding: 27px;
    overflow: hidden;
    border: 1px solid #26324d;
    border-radius: var(--radius);
    background: linear-gradient(155deg, #131c30, #0e1525);
    transition: transform .25s ease, border-color .25s ease;
}
.feature-card:hover { transform: translateY(-5px); border-color: #42557d; }
.feature-card::before { position: absolute; width: 130px; height: 130px; right: -50px; top: -50px; content: ""; border-radius: 50%; filter: blur(10px); opacity: .12; }
.feature-card.violet::before { background: var(--accent-2); }
.feature-card.mint::before { background: var(--mint); }
.feature-card.amber::before { background: var(--amber); }
.feature-card.blue::before { background: var(--blue); }
.feature-number { color: #7083ad; font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.feature-card h3 { margin: 54px 0 0; font-size: 21px; }
.feature-card p { margin: 13px 0 0; color: #8f9db8; font-size: 14px; line-height: 1.8; }
.feature-line { position: absolute; left: 27px; right: 27px; bottom: 26px; height: 2px; border-radius: 2px; background: #26324d; }
.feature-line::before { display: block; width: 28%; height: 100%; content: ""; background: var(--accent); }
.mint .feature-line::before { background: var(--mint); }
.amber .feature-line::before { background: var(--amber); }
.blue .feature-line::before { background: var(--blue); }

.split-section { background: #0b1120; border-block: 1px solid #1c2740; }
.split-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 100px; }
.split-copy p { margin: 21px 0 0; color: #98a5bf; font-size: 16px; }
.check-list { margin: 25px 0; padding: 0; list-style: none; }
.check-list li { position: relative; margin: 11px 0; padding-left: 29px; color: #c4cde0; font-size: 14px; }
.check-list li::before { position: absolute; left: 0; top: 1px; width: 20px; height: 20px; content: "✓"; border-radius: 50%; color: #091d1a; background: var(--mint); font-size: 12px; font-weight: 900; line-height: 20px; text-align: center; }
.text-link { color: #9eb0e9; font-size: 14px; font-weight: 700; }
.text-link:hover { color: white; }
.privacy-panel { position: relative; min-height: 430px; border: 1px solid #26324d; border-radius: 26px; background: radial-gradient(circle at center, rgba(75, 104, 214, .16), transparent 48%), #0c1322; overflow: hidden; }
.privacy-panel::before { position: absolute; inset: 0; content: ""; opacity: .22; background-image: radial-gradient(#6174a1 1px, transparent 1px); background-size: 24px 24px; }
.privacy-core { position: absolute; z-index: 3; width: 130px; height: 130px; left: 50%; top: 50%; border: 1px solid #5e73ac; border-radius: 50%; transform: translate(-50%, -50%); display: flex; flex-direction: column; align-items: center; justify-content: center; background: #111b31; box-shadow: 0 0 55px rgba(92, 120, 235, .18); }
.privacy-core b { font-size: 17px; letter-spacing: .12em; }
.privacy-core small { color: #7989aa; }
.privacy-orbit, .privacy-orbit span { position: absolute; left: 50%; top: 50%; border: 1px solid rgba(91, 111, 160, .35); border-radius: 50%; transform: translate(-50%, -50%); }
.privacy-orbit { width: 310px; height: 310px; }
.privacy-orbit span:nth-child(1) { width: 230px; height: 230px; }
.privacy-orbit span:nth-child(2) { width: 380px; height: 380px; }
.privacy-orbit span:nth-child(3) { width: 10px; height: 10px; top: 10%; left: 78%; border: 0; background: var(--mint); box-shadow: 0 0 17px var(--mint); }
.privacy-note { position: absolute; z-index: 4; padding: 7px 12px; border: 1px solid #2e3c5d; border-radius: 9px; color: #a8b4ce; background: #121b2e; font-size: 10px; }
.note-one { left: 10%; top: 18%; }
.note-two { right: 8%; top: 30%; }
.note-three { left: 14%; bottom: 18%; }

.updates-section { padding-bottom: 60px; }
.update-card {
    padding: 54px 58px;
    border: 1px solid #334263;
    border-radius: 24px;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 70px;
    background:
        radial-gradient(circle at 100% 0, rgba(120, 99, 255, .16), transparent 35%),
        linear-gradient(145deg, #141d32, #0e1526);
    box-shadow: var(--shadow);
}
.update-copy h2 { max-width: 720px; font-size: clamp(32px, 4vw, 46px); }
.update-copy p { max-width: 720px; margin: 17px 0 0; color: #98a6c0; white-space: pre-line; }
.update-meta { display: flex; gap: 9px; margin-top: 22px; }
.update-meta span { padding: 5px 10px; border: 1px solid #2c3a59; border-radius: 20px; color: #8393b7; font-size: 10px; }
.update-action { min-width: 225px; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.version-ring { width: 125px; height: 125px; border: 1px solid #5369a4; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; background: rgba(17, 27, 50, .9); box-shadow: inset 0 0 35px rgba(91, 110, 214, .12), 0 0 42px rgba(76, 97, 204, .12); }
.version-ring strong { font-size: 24px; }
.version-ring span { color: #7d8cae; font-size: 10px; text-transform: uppercase; }
.update-action small { max-width: 220px; color: #6f7d9a; font-size: 10px; text-align: center; }

.thanks-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.thanks-card { min-height: 230px; padding: 30px; border: 1px solid #26324d; border-radius: var(--radius); background: #101829; }
.thanks-icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; color: var(--mint); background: rgba(69, 224, 183, .08); font-size: 18px; }
.thanks-card:nth-child(2) .thanks-icon { color: #a993ff; background: rgba(149, 119, 255, .09); }
.thanks-card h3 { margin: 19px 0 13px; font-size: 20px; }
.name-list { display: flex; flex-wrap: wrap; gap: 8px; }
.name-list > span { padding: 5px 10px; border: 1px solid #2b3855; border-radius: 20px; color: #b1bdd5; background: #131d31; font-size: 12px; }
.name-list .empty-name { border: 0; padding: 0; color: #657490; background: transparent; }
.open-source-section { padding-top: 30px; }
.open-source-card { padding: 43px 48px; border-top: 1px solid #25314b; border-bottom: 1px solid #25314b; display: flex; align-items: center; justify-content: space-between; gap: 50px; }
.open-source-card h2 { font-size: 34px; }
.open-source-card p { max-width: 720px; margin: 12px 0 0; color: #8f9db7; }

.site-footer { margin-top: 50px; padding: 48px 0 25px; border-top: 1px solid #1d2840; background: #080d19; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 34px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { border-radius: 10px; }
.footer-brand div { display: flex; flex-direction: column; }
.footer-brand strong { font-size: 14px; }
.footer-brand span { margin-top: 3px; color: #687793; font-size: 11px; }
.footer-links { display: flex; align-items: center; gap: 22px; }
.footer-links a { color: #8391ad; font-size: 12px; }
.footer-links a:hover { color: white; }
.footer-bottom { grid-column: 1 / -1; display: flex; justify-content: space-between; padding-top: 22px; border-top: 1px solid #171f31; color: #54627e; font-size: 10px; }
.footer-bottom a:hover { color: #8e9bb7; }

.inner-page { min-height: 100vh; background: radial-gradient(circle at 50% 0, rgba(74, 98, 202, .13), transparent 37%), var(--bg); }
.inner-main { padding: 65px 0 100px; }
.back-link { display: inline-block; margin-bottom: 26px; color: #8494b7; font-size: 13px; }
.back-link:hover { color: white; }
.download-panel { padding: 56px; border: 1px solid #2e3c5d; border-radius: 24px; background: rgba(17, 24, 42, .92); text-align: center; box-shadow: var(--shadow); }
.download-icon { margin-bottom: 22px; border-radius: 22px; filter: drop-shadow(0 18px 28px rgba(60, 112, 229, .25)); }
.download-panel h1 { margin: 10px 0 0; font-size: clamp(32px, 5vw, 48px); line-height: 1.25; }
.download-notes { max-width: 650px; margin: 18px auto 0; color: #97a5bf; white-space: pre-line; }
.download-details { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 30px 0; }
.download-details div { padding: 16px; border: 1px solid #25324d; border-radius: 12px; background: #0f1728; }
.download-details span, .download-details strong { display: block; }
.download-details span { color: #6c7b99; font-size: 10px; }
.download-details strong { margin-top: 4px; font-size: 13px; }
.download-main-button { min-width: 220px; }
.checksum { margin-top: 25px; color: #6e7d9a; font-size: 11px; }
.checksum summary { cursor: pointer; }
.checksum code { display: block; margin-top: 11px; padding: 10px; overflow-wrap: anywhere; border-radius: 8px; color: #a9b5ce; background: #0b1120; }
.safe-download-note { margin-top: 17px; padding: 22px 25px; border: 1px solid #26324d; border-radius: 15px; background: #0e1627; }
.safe-download-note strong { font-size: 14px; }
.safe-download-note p { margin: 6px 0 0; color: #7d8ba7; font-size: 12px; }
.policy { width: min(820px, calc(100% - 44px)); }
.policy h1 { margin: 10px 0 30px; font-size: clamp(40px, 6vw, 58px); }
.policy h2 { margin: 38px 0 8px; font-size: 24px; }
.policy p { color: #a3aec4; font-size: 16px; line-height: 1.9; }
.policy code { padding: 2px 5px; border-radius: 5px; color: #b9c7f1; background: #172038; }
.policy a { color: #9dafff; }

:focus-visible { outline: 3px solid rgba(112, 135, 255, .72); outline-offset: 3px; }

@media (max-width: 1050px) {
    .hero { padding-top: 70px; }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-copy { max-width: 760px; }
    .product-stage { max-width: 780px; width: 100%; min-height: 500px; margin: -15px auto 0; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .split-grid { gap: 55px; }
}

@media (max-width: 820px) {
    .nav-toggle {
        width: 42px;
        height: 42px;
        border: 1px solid #293651;
        border-radius: 10px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        color: transparent;
        background: #121a2c;
        cursor: pointer;
    }
    .nav-toggle span { width: 18px; height: 2px; background: #aeb9cf; }
    .nav-toggle b { position: absolute; width: 1px; height: 1px; overflow: hidden; }
    .site-nav {
        position: absolute;
        display: none;
        left: 22px;
        right: 22px;
        top: calc(100% + 8px);
        padding: 10px;
        border: 1px solid #2a3754;
        border-radius: 14px;
        flex-direction: column;
        align-items: stretch;
        background: #10182a;
        box-shadow: var(--shadow);
    }
    .site-nav.is-open { display: flex; }
    .site-nav a { padding: 11px 13px; }
    .site-nav .nav-download { margin-left: 0; text-align: center; }
    .split-grid { grid-template-columns: 1fr; }
    .privacy-panel { min-height: 380px; }
    .update-card { padding: 42px 35px; grid-template-columns: 1fr; gap: 40px; }
    .update-action { align-items: flex-start; }
    .open-source-card { align-items: flex-start; flex-direction: column; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-links { flex-wrap: wrap; }
    .footer-bottom { grid-column: 1; }
}

@media (max-width: 620px) {
    .container, .narrow-container, .policy { width: min(100% - 28px, 1180px); }
    .nav-shell { min-height: 68px; }
    .brand img { width: 36px; height: 36px; }
    .brand strong { max-width: 220px; overflow: hidden; text-overflow: ellipsis; }
    .hero { padding-top: 55px; }
    .hero h1 { font-size: 45px; }
    .hero-summary { font-size: 16px; }
    .hero-actions .button { width: 100%; }
    .product-stage { min-height: 380px; margin-top: 20px; }
    .app-window { transform: none; }
    .app-body { grid-template-columns: 85px 1fr; min-height: 315px; }
    .app-body aside { padding: 17px 5px; }
    .app-body aside span { padding: 7px 5px; font-size: 7px; }
    .app-content { padding: 17px 12px; }
    .app-heading b { font-size: 14px; }
    .metric-grid { grid-template-columns: repeat(2, 1fr); }
    .metric-grid div:nth-child(3) { display: none; }
    .sensor-row { grid-template-columns: 1fr auto; }
    .sensor-row > i, .sensor-row > strong { display: none; }
    .floating-temperature { right: -4px; bottom: -12px; }
    .trust-strip { grid-template-columns: repeat(2, 1fr); margin-top: 58px; }
    .trust-strip div:nth-child(2) { border-right: 0; }
    .trust-strip div:nth-child(-n+2) { border-bottom: 1px solid #202c45; }
    .section { padding: 84px 0; }
    .feature-grid, .thanks-grid { grid-template-columns: 1fr; }
    .feature-card { min-height: 250px; }
    .feature-card h3 { margin-top: 35px; }
    .update-card { padding: 32px 22px; }
    .download-panel { padding: 38px 20px; }
    .download-details { grid-template-columns: 1fr; }
    .footer-bottom { align-items: flex-start; flex-direction: column; gap: 10px; }
    .language-link.standalone { padding: 8px; }
}

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

/* Community, feedback and multi-package downloads */
.community-page { min-height: 100vh; }
.community-nav { display: flex; align-items: center; gap: 8px; }
.community-nav a { padding: 10px 12px; border-radius: 9px; color: #94a4c5; font-size: 13px; }
.community-nav a:hover, .community-nav a.active { color: #f4f7ff; background: #172139; }
.compact-footer { margin-top: 80px; padding: 28px 0; }
.compact-footer .footer-bottom { display: flex; justify-content: space-between; grid-column: auto; }

.auth-container { width: min(100% - 32px, 560px); }
.auth-card, .feedback-form-card, .account-panel, .feedback-detail, .reply-section {
    padding: 34px;
    border: 1px solid #27334d;
    border-radius: 20px;
    background: linear-gradient(145deg, rgba(20, 29, 50, .96), rgba(13, 20, 36, .96));
    box-shadow: 0 22px 70px rgba(0, 0, 0, .22);
}
.auth-card h1 { margin: 10px 0 8px; font-size: 36px; }
.auth-card > p { color: #91a0bd; line-height: 1.75; }
.public-form { display: grid; gap: 16px; margin-top: 24px; }
.public-form label { display: grid; gap: 8px; color: #a8b4ca; font-size: 12px; font-weight: 700; }
.public-form input, .public-form textarea {
    width: 100%;
    padding: 13px 14px;
    border: 1px solid #2a3856;
    border-radius: 10px;
    outline: 0;
    color: #edf3ff;
    background: #0c1425;
}
.public-form textarea { resize: vertical; min-height: 130px; line-height: 1.7; }
.public-form input:focus, .public-form textarea:focus {
    border-color: #6f83ff;
    box-shadow: 0 0 0 3px rgba(111, 131, 255, .14);
}
.public-form small { color: #6f7f9e; font-weight: 400; }
.public-form .button { justify-content: center; border: 0; cursor: pointer; }
.auth-switch { margin: 22px 0 0; color: #7f8ca6; text-align: center; }
.auth-switch a { color: #91a2ff; }
.honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.form-message { margin: 18px 0; padding: 13px 15px; border: 1px solid #314668; border-radius: 10px; color: #bcd0ed; background: #16243a; }
.form-message.error { border-color: #77404a; color: #ffb2bc; background: #301a24; }
.form-message.success { border-color: #276354; color: #78ebc8; background: #102c28; }

.feedback-main { padding-top: 50px; }
.feedback-hero { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 36px; align-items: end; margin-bottom: 38px; }
.feedback-hero h1 { margin: 10px 0 12px; font-size: clamp(42px, 6vw, 72px); line-height: 1; }
.feedback-hero p { max-width: 760px; color: #94a3bf; font-size: 16px; line-height: 1.8; }
.feedback-account-box { padding: 22px; border: 1px solid #2c3a58; border-radius: 16px; background: #111b30; }
.feedback-account-box strong, .feedback-account-box span { display: block; }
.feedback-account-box span { margin-top: 8px; color: #7f91b0; font-size: 12px; line-height: 1.6; }
.feedback-account-box > a, .feedback-account-box div { display: flex; gap: 16px; margin-top: 15px; color: #91a2ff; font-size: 12px; }
.feedback-layout { display: grid; grid-template-columns: minmax(330px, .82fr) minmax(0, 1.18fr); gap: 26px; align-items: start; }
.feedback-form-card { position: sticky; top: 92px; }
.section-heading.left { text-align: left; }
.section-heading.left h2 { margin: 7px 0 0; font-size: 27px; }
.two-public-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.visibility-options { display: grid; gap: 9px; padding: 0; border: 0; }
.visibility-options legend { margin-bottom: 8px; color: #a8b4ca; font-size: 12px; font-weight: 700; }
.visibility-options label { grid-template-columns: auto 1fr; align-items: start; padding: 13px; border: 1px solid #293653; border-radius: 10px; background: #0d1628; }
.visibility-options input { width: auto; margin-top: 3px; accent-color: #7287ff; }
.visibility-options span { display: grid; gap: 4px; }
.visibility-options small { color: #72819c; }
.feedback-list { display: grid; gap: 14px; }
.feedback-item { padding: 23px; border: 1px solid #27334d; border-radius: 16px; background: #111a2d; }
.feedback-item-head, .feedback-item-foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.feedback-item-head > div { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; }
.feedback-item-head time, .feedback-item-foot { color: #73819c; font-size: 11px; }
.feedback-item h3 { margin: 16px 0 9px; font-size: 18px; }
.feedback-item h3 a:hover { color: #8fa1ff; }
.feedback-item p { margin: 0 0 17px; color: #94a2bd; line-height: 1.7; }
.feedback-item-foot a { color: #91a2ff; }
.title-badge, .replied-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border: 1px solid color-mix(in srgb, var(--badge-color, #5ee6c5) 48%, transparent);
    border-radius: 999px;
    color: var(--badge-color, #5ee6c5);
    background: color-mix(in srgb, var(--badge-color, #5ee6c5) 10%, transparent);
    font-size: 10px;
    font-style: normal;
}
.replied-badge { --badge-color: #5ee6c5; }
.feedback-empty { padding: 26px; border: 1px dashed #2b3854; border-radius: 14px; color: #71809d; text-align: center; }
.feedback-detail { margin-top: 22px; }
.feedback-detail h1 { margin: 24px 0 18px; font-size: clamp(30px, 5vw, 48px); }
.feedback-content { color: #b5c0d5; font-size: 15px; line-height: 1.9; }
.reply-section { margin-top: 22px; }
.admin-reply { margin-top: 14px; padding: 20px; border-left: 3px solid #5ee6c5; border-radius: 0 12px 12px 0; background: #0d1928; }
.admin-reply > div { display: flex; justify-content: space-between; color: #72e4c4; font-size: 12px; }
.admin-reply time { color: #71809a; }
.admin-reply p { margin: 12px 0 0; color: #aab7cc; line-height: 1.8; }

.account-main { padding-top: 54px; }
.account-hero { display: grid; grid-template-columns: 1fr auto auto; gap: 24px; align-items: center; margin-bottom: 28px; }
.account-hero h1 { margin: 7px 0; font-size: 46px; }
.account-hero p { color: #7f8faa; }
.points-card { min-width: 170px; padding: 18px 22px; border: 1px solid var(--badge-color); border-radius: 15px; background: color-mix(in srgb, var(--badge-color) 9%, #111a2d); text-align: center; }
.points-card strong { display: block; color: #fff; font-size: 31px; }
.points-card span { color: #7d8da9; font-size: 11px; }
.points-card em { display: block; margin-top: 8px; color: var(--badge-color); font-size: 12px; font-style: normal; }
.account-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; align-items: start; }
.account-list, .point-history { display: grid; gap: 10px; margin: 22px 0; }
.account-list article, .point-history > div { padding: 15px; border: 1px solid #27334c; border-radius: 11px; background: #0d1627; }
.account-list article > div, .point-history > div { display: flex; justify-content: space-between; gap: 12px; }
.account-list span, .account-list p, .point-history small { color: #71809b; font-size: 11px; }
.account-list a { color: #91a2ff; font-size: 11px; }
.point-history span { display: grid; gap: 4px; }
.point-history em { font-style: normal; font-weight: 800; }
.point-history em.positive { color: #5ee6c5; }
.point-history em.negative { color: #ff9cab; }

.download-page-main { padding-top: 48px; }
.download-hero { display: flex; align-items: center; gap: 26px; padding: 28px 0 42px; }
.download-hero h1 { margin: 7px 0 11px; font-size: clamp(36px, 5vw, 60px); }
.download-hero p { max-width: 820px; color: #92a0bb; line-height: 1.75; }
.download-choice-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.download-choice { display: flex; flex-direction: column; padding: 26px; border: 1px solid #293651; border-radius: 18px; background: #111a2d; }
.download-choice.installer { border-color: #5269cf; box-shadow: inset 0 1px rgba(255,255,255,.03), 0 20px 55px rgba(63, 84, 176, .13); }
.download-choice-icon { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; color: #dfe5ff; background: #25345f; font-size: 21px; }
.download-choice > span { margin-top: 20px; color: #7084ef; font-size: 10px; font-weight: 800; letter-spacing: .13em; }
.download-choice h2 { margin: 7px 0 10px; font-size: 24px; }
.download-choice p { min-height: 76px; color: #8998b5; line-height: 1.7; }
.download-choice dl { margin: 6px 0 20px; }
.download-choice dl div { display: grid; gap: 5px; padding: 10px 0; border-top: 1px solid #222f48; }
.download-choice dt { color: #687895; font-size: 10px; }
.download-choice dd { margin: 0; overflow-wrap: anywhere; color: #b5c1d7; font-size: 11px; }
.download-choice .button { justify-content: center; margin-top: auto; }

@media (max-width: 980px) {
    .community-nav { flex-wrap: wrap; justify-content: flex-end; }
    .feedback-hero, .feedback-layout, .account-grid { grid-template-columns: 1fr; }
    .feedback-form-card { position: static; }
    .download-choice-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
    .community-page .nav-shell { align-items: flex-start; flex-direction: column; padding: 14px 0; }
    .community-nav { width: 100%; justify-content: flex-start; }
    .community-nav a { padding: 8px 9px; }
    .auth-card, .feedback-form-card, .account-panel, .feedback-detail, .reply-section { padding: 24px 18px; }
    .feedback-hero { gap: 20px; }
    .two-public-fields, .download-choice-grid { grid-template-columns: 1fr; }
    .account-hero { grid-template-columns: 1fr; }
    .account-hero form .button, .points-card { width: 100%; }
    .download-hero { align-items: flex-start; flex-direction: column; }
    .compact-footer .footer-bottom { align-items: flex-start; flex-direction: column; }
}