/* ============================================
   QUICKQ official site stylesheet
   Edition: quickqbzd.com.cn (quickqgroup.com reuse)
   Notes: layout tokens tuned for multi-device pages
   ============================================ */
* {
    box-sizing:border-box
}
html {
    scroll-behavior:smooth
}
body {
        margin:0;
        background:#060f1e;
        color:#f5f8ff;
        font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;
    line-height:1.65
}
a {
        color:inherit;
    text-decoration:none
}
img {
        max-width:100%;
    display:block
}
.shell {
        width:min(1180px,calc(100% - 40px));
    margin:auto
}
.top {
        position:sticky;
        top:0;
        z-index:50;
        background:rgba(6,16,31,.82);
        backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(255,255,255,.08)
}
.nav {
        height:76px;
        display:flex;
        align-items:center;
    gap:28px
}
.brand img {
    width:122px
}
.links {
        display:flex;
        gap:26px;
        margin-left:auto;
        align-items:center;
    font-size:14px
}
.links a:hover,.links a.active {
    color:#62a5ff
}
.lang {
        border:1px solid rgba(255,255,255,.18);
        padding:7px 12px;
    border-radius:6px
}
.menu {
        display:none;
        margin-left:auto;
        background:none;
        border:0;
        color:#fff;
    font-size:25px
}
.hero {
        min-height:690px;
        display:flex;
        align-items:center;
        position:relative;
    overflow:hidden
}
.hero:before {
        content:"";
        position:absolute;
        inset:0;
    background:radial-gradient(circle at 77% 48%,rgba(32,113,255,.27),transparent 30%),linear-gradient(180deg,rgba(4,14,28,0),#06101f)
}
.hero-grid {
        position:relative;
        display:grid;
        grid-template-columns:1fr 1.05fr;
        gap:52px;
    align-items:center
}
.eyebrow {
        display:inline-flex;
        align-items:center;
        gap:9px;
        color:#82b7ff;
        font-size:13px;
        font-weight:700;
    text-transform:uppercase
}
.eyebrow:before {
        content:"";
        width:28px;
        height:2px;
    background:#2071ff
}
h1 {
        font-size:clamp(46px,6vw,50px);
        line-height:1.08;
        margin:18px 0 20px;
    letter-spacing:0
}
.gradient {
        background:linear-gradient(100deg,#fff,#73adff);
        -webkit-background-clip:text;
    color:transparent
}
.lead {
        font-size:18px;
        color:#aebbd0;
    max-width:620px
}
.actions {
        display:flex;
        gap:14px;
        margin-top:32px;
    flex-wrap:wrap
}
.btn {
        display:inline-flex;
        align-items:center;
        justify-content:center;
        min-height:48px;
        padding:0 24px;
        border-radius:6px;
        font-weight:700;
        background:#2071ff;
    box-shadow:0 12px 32px rgba(32,113,255,.30)
}
.btn:hover {
    background:#438aff
}
.btn.secondary {
        background:transparent;
        border:1px solid rgba(255,255,255,.2);
    box-shadow:none
}
.hero-art {
    position:relative
}
.hero-art img {
        border-radius:10px;
    box-shadow:0 36px 100px rgba(0,0,0,.4)
}
.hero-art:after {
        content:"";
        position:absolute;
        inset:-10px;
        border:1px solid rgba(77,150,255,.35);
        border-radius:12px;
    pointer-events:none
}
.stats {
        border-block:1px solid rgba(255,255,255,.08);
    background:#09172a
}
.stats-grid {
        display:grid;
        grid-template-columns:repeat(4,1fr);
    padding:28px 0
}
.stat {
        text-align:center;
    border-right:1px solid rgba(255,255,255,.09)
}
.stat:last-child {
    border:0
}
.stat b {
        display:block;
        color:#fff;
    font-size:27px
}
.stat span {
        font-size:13px;
    color:#8f9db3
}
.section {
    padding:92px 0
}
.section.alt {
    background:#09172a
}
.section-head {
        text-align:center;
        max-width:720px;
    margin:0 auto 45px
}
.section-head h2 {
        font-size:clamp(32px,4vw,48px);
        line-height:1.18;
    margin:10px 0
}
.section-head p {
    color:#94a3b8
}
.grid {
        display:grid;
        grid-template-columns:repeat(3,1fr);
    gap:18px
}
.card {
        background:#0d1c30;
        border:1px solid rgba(255,255,255,.08);
        border-radius:10px;
        padding:28px;
    transition:.25s
}
.card:hover {
        transform:translateY(-4px);
    border-color:rgba(60,137,255,.55)
}
.icon {
        width:44px;
        height:44px;
        border-radius:7px;
        background:#2071ff;
        display:grid;
        place-items:center;
        font-size:21px;
    margin-bottom:20px
}
.card h3 {
        margin:0 0 9px;
    font-size:19px
}
.card p {
        margin:0;
        color:#8fa0b7;
    font-size:14px
}
.band {
        padding:52px 0;
    background:#0b2d63 url('../image/subscribe-bg.webp') center/cover no-repeat
}
.band-inner {
        display:flex;
        align-items:center;
        justify-content:space-between;
    gap:30px
}
.band h2 {
        margin:0;
    font-size:34px
}
.band p {
        margin:4px 0 0;
    color:#c8ddff
}
.footer {
        padding:58px 0 28px;
        background:#030a13;
    border-top:1px solid rgba(255,255,255,.09)
}
.footer-grid {
        display:grid;
        grid-template-columns:2fr 1fr 1fr 1fr;
    gap:34px
}
.footer-logo {
        width:145px;
    margin-bottom:15px
}
.footer p,.footer a {
        color:#7f8ca0;
    font-size:13px
}
.footer h4 {
        font-size:14px;
    margin:0 0 15px
}
.footer-col {
        display:flex;
        flex-direction:column;
    gap:9px
}
.copyright {
        margin-top:42px;
        padding-top:22px;
        border-top:1px solid rgba(255,255,255,.09);
        display:flex;
        justify-content:space-between;
        color:#637086;
    font-size:12px
}
.page-hero {
        padding:92px 0 62px;
        text-align:center;
    background:radial-gradient(circle at 50% 0,rgba(32,113,255,.24),transparent 52%)
}
.page-hero h1 {
    font-size:52px
}
.crumb {
        font-size:13px;
    color:#7d8ca4
}
.download-layout {
        display:grid;
        grid-template-columns:1fr 1fr;
        gap:60px;
    align-items:center
}
.platforms {
        display:flex;
        gap:8px;
        flex-wrap:wrap;
    margin:25px 0
}
.pill {
        padding:8px 14px;
        border:1px solid rgba(255,255,255,.12);
        border-radius:5px;
    color:#9aabc0
}
.pill.active {
        background:#2071ff;
        color:white;
    border-color:#2071ff
}
.device {
        background:#0a1a2d;
        border:1px solid rgba(255,255,255,.1);
        padding:55px;
        text-align:center;
    border-radius:10px
}
.window-logo {
        font-size:74px;
    color:#58a0ff
}
.plans {
        display:grid;
        grid-template-columns:repeat(3,1fr);
    gap:18px
}
.plan {
        padding:32px;
        background:#0d1c30;
        border:1px solid rgba(255,255,255,.09);
    border-radius:10px
}
.plan.featured {
        border:2px solid #2071ff;
    transform:translateY(-8px)
}
.price {
        font-size:44px;
    font-weight:800
}
.price small {
        font-size:14px;
    color:#8fa0b7
}
.plan ul {
        padding-left:18px;
    color:#a8b4c5
}
.plan .btn {
    width:100%
}
.faq {
        max-width:850px;
    margin:auto
}
.faq details {
        background:#0d1c30;
        border:1px solid rgba(255,255,255,.08);
        border-radius:6px;
        margin:10px 0;
    padding:18px 21px
}
.faq summary {
        font-weight:700;
    cursor:pointer
}
.faq p {
        color:#92a1b6;
    margin-bottom:0
}
.article {
        max-width:880px;
        margin:auto;
    color:#aab6c8
}
.article h2 {
        color:#f5f8ff;
    margin-top:38px
}
.article h3 {
    color:#dbe7f8
}
.article li {
    margin:8px 0
}
.table {
        width:100%;
    border-collapse:collapse
}
.table th,.table td {
        text-align:left;
        padding:16px;
    border:1px solid rgba(255,255,255,.1)
}
.table th {
    background:#112642
}
.notice {
        padding:18px;
        border-left:3px solid #2071ff;
        background:#0d1c30;
    color:#afbdd0
}
.center {
    text-align:center
}
.logo-orbit {
        width:320px;
        aspect-ratio:1;
        border-radius:50%;
        margin:auto;
        display:grid;
        place-items:center;
        border:1px solid rgba(72,145,255,.45);
        box-shadow:0 0 90px rgba(32,113,255,.22);
    position:relative
}
.logo-orbit:before,.logo-orbit:after {
        content:"";
        position:absolute;
        border:1px solid rgba(72,145,255,.2);
        border-radius:50%;
    inset:25px
}
.logo-orbit:after {
    inset:60px
}
.logo-orbit img {
        width:145px;
        position:relative;
    z-index:2
}
.tags {
        display:flex;
        justify-content:center;
        gap:8px;
    flex-wrap:wrap
}
.tags span {
        background:#11243c;
        padding:6px 13px;
        border-radius:4px;
        color:#9fb4cf;
    font-size:13px
}
@media(max-width:800px) {
    .menu {
        display:block
    }
    .links {
            display:none;
            position:absolute;
            top:76px;
            left:0;
            right:0;
            background:#060f1e;
            padding:20px;
            flex-direction:column;
        align-items:stretch
    }
    .links.open {
        display:flex
    }
    .hero {
            min-height:auto;
        padding:80px 0
    }
    .hero-grid,.download-layout {
        grid-template-columns:1fr
    }
    .hero-art {
        order:-1
    }
    .hero h1 {
        font-size:48px
    }
    .grid,.plans {
        grid-template-columns:1fr
    }
    .stats-grid {
        grid-template-columns:1fr 1fr
    }
    .stat {
        padding:12px
    }
    .footer-grid {
        grid-template-columns:1fr 1fr
    }
    .band-inner {
            align-items:flex-start;
        flex-direction:column
    }
    .page-hero h1 {
        font-size:40px
    }
    .plan.featured {
        transform:none
    }
    .copyright {
            gap:12px;
        flex-direction:column
    }
}
.answer {
        max-width:760px;
        margin:0 auto;
        padding:22px 26px;
        border:1px solid rgba(77,150,255,.35);
        border-left:4px solid #2071ff;
        border-radius:10px;
        background:#0d1c30;
        color:#c6d4e8;
        font-size:15px;
    line-height:1.8
}
.answer b {
    color:#fff
}
.checklist {
        list-style:none;
        padding:0;
        margin:0;
    max-width:820px
}
.checklist li {
        padding:9px 0 9px 30px;
        position:relative;
        color:#a8b4c5;
        font-size:15px;
    border-bottom:1px solid rgba(255,255,255,.06)
}
.checklist li:last-child {
    border:0
}
.checklist li:before {
        content:"✓";
        position:absolute;
        left:0;
        top:9px;
        color:#4fc47f;
    font-weight:800
}
.article a,.faq p a,.answer a {
        color:#62a5ff;
    text-decoration:underline
}