@charset "UTF-8";

:root{
  --ink:#111217;
  --ink-2:#1b1d25;
  --paper:#f6f2ea;
  --paper-2:#fffdf8;
  --line:#ddd7ca;
  --muted:#6f6c66;
  --purple:#6f4cff;
  --purple-2:#8c75ff;
  --lime:#d8ff64;
  --orange:#ff8a3d;
  --white:#fff;
  --radius:28px;
  --shadow:0 24px 80px rgba(17,18,23,.12);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:var(--paper);
  font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,summary{font:inherit}
.skip-link{
  position:fixed;left:16px;top:-80px;z-index:9999;
  background:#fff;color:#111;padding:10px 14px;border-radius:10px
}
.skip-link:focus{top:16px}

/* topbar */
.topbar{
  position:sticky;top:0;z-index:100;
  background:rgba(17,18,23,.94);
  border-bottom:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(18px);
}
.topbar__inner{
  width:min(1180px,calc(100% - 40px));height:76px;margin:auto;
  display:flex;align-items:center;gap:30px;
}
.brand{display:flex;align-items:center;gap:12px;color:#fff;margin-right:auto}
.brand img{width:46px;height:46px;border-radius:13px}
.brand__copy{display:flex;flex-direction:column;line-height:1}
.brand__copy strong{font-size:18px;letter-spacing:.01em}
.brand__copy small{margin-top:6px;color:#aaa7b0;font-size:10px;letter-spacing:.16em}
.nav{display:flex;gap:24px;color:#cbc9d1;font-size:14px}
.nav a{transition:.2s}
.nav a:hover{color:#fff}
.topbar__cta{
  background:var(--lime);color:#121313;padding:12px 18px;border-radius:999px;
  font-weight:800;font-size:14px;transition:.2s
}
.topbar__cta:hover{transform:translateY(-1px);background:#e4ff8c}

/* hero */
.hero{
  background:
    radial-gradient(circle at 77% 24%,rgba(111,76,255,.28),transparent 25%),
    linear-gradient(135deg,#111217 0%,#161720 62%,#0f1015 100%);
  color:#fff;overflow:hidden;position:relative;
}
.hero::after{
  content:"";position:absolute;inset:auto -8vw -16vw auto;width:36vw;height:36vw;
  border:1px solid rgba(255,255,255,.07);border-radius:50%;
  box-shadow:0 0 0 70px rgba(255,255,255,.018),0 0 0 140px rgba(255,255,255,.012)
}
.hero__grid{
  width:min(1180px,calc(100% - 40px));min-height:670px;margin:auto;
  display:grid;grid-template-columns:1.04fr .96fr;gap:44px;align-items:center;
}
.hero__content{padding:74px 0 80px;position:relative;z-index:2}
.eyebrow,.section__kicker{
  display:inline-flex;align-items:center;gap:9px;
  font-size:11px;font-weight:800;letter-spacing:.18em;text-transform:uppercase
}
.eyebrow{color:#c7c3d3}
.eyebrow span{width:20px;height:2px;background:var(--lime);display:inline-block}
.hero h1{
  margin:20px 0 20px;font-size:clamp(46px,5.2vw,76px);line-height:1.03;letter-spacing:-.045em
}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero__lead{
  max-width:690px;margin:0;color:#c8c7ce;font-size:17px;line-height:1.85
}
.hero__lead strong{color:#fff}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn{
  min-height:58px;display:inline-flex;align-items:center;justify-content:center;gap:12px;
  border-radius:16px;padding:12px 22px;font-weight:800;transition:.2s;border:1px solid transparent
}
.btn small{display:block;font-size:9px;letter-spacing:.13em;margin-bottom:3px}
.btn--primary{background:var(--lime);color:#111}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 12px 35px rgba(216,255,100,.18)}
.btn__icon{
  width:32px;height:32px;border-radius:9px;background:#111;color:#fff;
  display:grid;place-items:center;font-size:18px
}
.btn--ghost{border-color:#3b3d46;color:#fff;background:rgba(255,255,255,.03)}
.btn--ghost:hover{border-color:#777985;background:rgba(255,255,255,.06)}
.btn--dark{background:#111;color:#fff}
.hero__facts{display:flex;gap:28px;margin-top:42px}
.hero__facts div{display:flex;gap:10px;align-items:center}
.hero__facts b{font-size:26px;color:#fff}
.hero__facts span{font-size:11px;line-height:1.45;color:#9e9da5;text-transform:uppercase;letter-spacing:.04em}

.hero__visual{min-height:600px;display:flex;align-items:center;justify-content:center;position:relative;z-index:2}
.phone-stage{
  width:min(480px,100%);height:500px;position:relative;display:grid;place-items:center
}
.phone-stage__halo{
  position:absolute;width:390px;height:390px;border-radius:50%;
  background:radial-gradient(circle,rgba(111,76,255,.65),rgba(111,76,255,.12) 45%,transparent 70%);
  filter:blur(4px)
}
.phone-stage__main{
  width:360px;max-height:390px;object-fit:cover;border-radius:26px;position:relative;z-index:3;
  transform:rotate(-3deg);box-shadow:0 40px 80px rgba(0,0,0,.44);border:1px solid rgba(255,255,255,.14)
}
.phone-stage__badge{
  position:absolute;z-index:4;border-radius:14px;border:5px solid #171820;
  box-shadow:0 20px 45px rgba(0,0,0,.4);object-fit:cover
}
.phone-stage__badge--top{width:205px;right:-8px;top:50px;transform:rotate(5deg)}
.phone-stage__badge--bottom{width:185px;left:-2px;bottom:42px;transform:rotate(-4deg)}
.hero__note{
  position:absolute;right:0;bottom:50px;background:#fff;color:#111;
  border-radius:16px;padding:14px 16px 14px 44px;min-width:250px;box-shadow:var(--shadow)
}
.hero__note .dot{
  position:absolute;left:18px;top:20px;width:12px;height:12px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 0 5px #efffc1
}
.hero__note strong,.hero__note small{display:block}
.hero__note strong{font-size:14px}
.hero__note small{margin-top:4px;color:#777;font-size:11px}

/* device strip */
.device-strip{background:#fff;border-bottom:1px solid #e7e2d8}
.device-strip__inner{
  width:min(1180px,calc(100% - 40px));margin:auto;display:grid;grid-template-columns:repeat(3,1fr)
}
.device-pill{
  min-height:102px;padding:22px 24px;display:flex;align-items:center;gap:15px;
  border-right:1px solid #ece7de;transition:.2s
}
.device-pill:first-child{border-left:1px solid #ece7de}
.device-pill:hover{background:#f8f6f0}
.device-pill__icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:#111;color:#fff;font-weight:900;font-size:18px
}
.device-pill:nth-child(2) .device-pill__icon{background:var(--purple)}
.device-pill:nth-child(3) .device-pill__icon{background:var(--lime);color:#111}
.device-pill span:nth-child(2){display:flex;flex-direction:column;gap:4px}
.device-pill small{font-size:9px;letter-spacing:.15em;color:#96928b;font-weight:800}
.device-pill strong{font-size:14px}
.device-pill b{margin-left:auto}

/* base sections */
.section{padding:100px 0}
.section__head{width:min(1180px,calc(100% - 40px));margin:0 auto 44px}
.section__head--split{display:grid;grid-template-columns:1fr .75fr;gap:70px;align-items:end}
.section__kicker{color:var(--purple);margin-bottom:14px}
.section__head h2,.preview-copy h2,.android-copy h2,.check__head h2,.seo-copy h2,.faq-title h2{
  margin:0;font-size:clamp(34px,4vw,54px);line-height:1.08;letter-spacing:-.035em
}
.section__head p,.preview-copy>p,.android-copy>p,.seo-copy__body p,.faq-title>p{
  margin:0;color:var(--muted);font-size:16px;line-height:1.85
}

/* choose */
.choose{background:var(--paper)}
.os-grid{
  width:min(1180px,calc(100% - 40px));margin:auto;
  display:grid;grid-template-columns:1fr 1fr;gap:22px
}
.os-card{
  min-height:410px;padding:34px;border-radius:var(--radius);position:relative;overflow:hidden;
  border:1px solid #ded8cc
}
.os-card::after{
  content:"";position:absolute;width:240px;height:240px;border-radius:50%;right:-90px;bottom:-100px;
  border:1px solid rgba(0,0,0,.08);box-shadow:0 0 0 40px rgba(0,0,0,.025)
}
.os-card--android{background:#dfff80}
.os-card--ios{background:#6f4cff;color:#fff;border-color:#6f4cff}
.os-card__top{display:flex;justify-content:space-between;align-items:center}
.os-card__mark{font-size:10px;letter-spacing:.16em;font-weight:900}
.os-card__num{font-size:52px;line-height:1;font-weight:900;opacity:.16}
.os-card h3{margin:36px 0 12px;font-size:30px}
.os-card p{max-width:540px;font-size:15px;line-height:1.75;opacity:.78}
.os-card ul{padding:0;margin:24px 0;list-style:none}
.os-card li{margin:10px 0;padding-left:20px;position:relative}
.os-card li::before{content:"•";position:absolute;left:2px}
.text-link{
  display:inline-flex;align-items:center;gap:10px;font-weight:900;margin-top:8px;border-bottom:1px solid currentColor;padding-bottom:4px
}

/* mobile preview */
.mobile-preview{background:#fff}
.preview-layout{
  width:min(1180px,calc(100% - 40px));margin:auto;display:grid;grid-template-columns:.85fr 1.15fr;gap:72px;align-items:center
}
.preview-copy>p{margin-top:22px}
.preview-points{margin-top:34px;display:grid;gap:16px}
.preview-points div{display:grid;grid-template-columns:140px 1fr;gap:15px;padding-top:16px;border-top:1px solid #e7e2d9}
.preview-points b{font-size:14px}
.preview-points span{color:#77736d;font-size:13px;line-height:1.6}
.preview-art{position:relative;min-height:430px}
.preview-art__wide{
  width:92%;margin-left:auto;border-radius:28px;box-shadow:var(--shadow);object-fit:cover;min-height:330px
}
.preview-art__small{
  position:absolute;left:0;bottom:0;width:48%;border-radius:20px;border:8px solid #fff;box-shadow:0 24px 60px rgba(17,18,23,.18)
}

/* ios */
.ios-flow{background:#191a21;color:#fff}
.ios-flow .section__head p{color:#aaa9b1;max-width:820px;margin-top:18px}
.ios-flow .section__kicker{color:var(--lime)}
.ios-steps{
  width:min(1180px,calc(100% - 40px));margin:auto;
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px
}
.ios-step{
  margin:0;background:#22232c;border:1px solid #30313b;border-radius:22px;padding:16px
}
.ios-step__no{font-size:9px;letter-spacing:.16em;color:#a9a8b0;font-weight:900}
.ios-step__image{
  height:340px;border-radius:16px;overflow:hidden;background:#f1f1f1;margin:14px 0 18px;display:grid;place-items:center
}
.ios-step__image img{width:100%;height:100%;object-fit:cover}
.ios-step figcaption b,.ios-step figcaption span{display:block}
.ios-step figcaption b{font-size:15px;margin-bottom:8px}
.ios-step figcaption span{font-size:12px;line-height:1.65;color:#aaa9b1}
.ios-flow__cta{
  width:min(1180px,calc(100% - 40px));margin:22px auto 0;background:var(--lime);color:#111;
  border-radius:22px;padding:22px 24px;display:flex;justify-content:space-between;gap:20px;align-items:center
}
.ios-flow__cta strong,.ios-flow__cta span{display:block}
.ios-flow__cta strong{font-size:18px}
.ios-flow__cta span{font-size:12px;margin-top:5px;color:#4c513b}

/* android */
.android-flow{background:#efe9dc}
.android-layout{
  width:min(1180px,calc(100% - 40px));margin:auto;
  display:grid;grid-template-columns:1.02fr .98fr;gap:70px;align-items:center
}
.android-copy>p{margin:22px 0 0}
.android-steps{list-style:none;padding:0;margin:30px 0;display:grid;gap:12px}
.android-steps li{
  display:flex;gap:16px;align-items:flex-start;background:rgba(255,255,255,.48);
  border:1px solid rgba(17,18,23,.08);border-radius:16px;padding:16px
}
.android-steps li>span{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:#111;color:#fff;display:grid;place-items:center;font-weight:900
}
.android-steps b,.android-steps small{display:block}
.android-steps b{font-size:14px}
.android-steps small{margin-top:5px;color:#77736d;line-height:1.55}
.android-art{position:relative;min-height:520px;display:grid;place-items:center}
.android-art__frame{
  width:86%;padding:14px;background:#111;border-radius:32px;transform:rotate(2deg);box-shadow:var(--shadow)
}
.android-art__frame img{width:100%;min-height:360px;object-fit:cover;border-radius:22px}
.android-art__card{
  position:absolute;left:-10px;bottom:15px;width:360px;background:#fff;border-radius:20px;padding:18px;
  display:flex;gap:14px;align-items:center;box-shadow:0 24px 65px rgba(17,18,23,.2)
}
.android-art__card img{width:52px;height:52px;border-radius:14px}
.android-art__card small,.android-art__card b,.android-art__card span{display:block}
.android-art__card small{font-size:9px;letter-spacing:.13em;color:#9d9890}
.android-art__card b{margin:4px 0;font-size:14px}
.android-art__card span{font-size:11px;color:#77736d}

/* check */
.check{background:#fff}
.check__head{width:min(1180px,calc(100% - 40px));margin:0 auto 38px}
.check-grid{
  width:min(1180px,calc(100% - 40px));margin:auto;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #ddd8cf;border-bottom:1px solid #ddd8cf
}
.check-grid article{padding:28px 24px;min-height:220px;border-right:1px solid #ddd8cf}
.check-grid article:first-child{border-left:1px solid #ddd8cf}
.check-grid span{font-size:12px;font-weight:900;color:var(--purple)}
.check-grid h3{margin:34px 0 10px;font-size:19px}
.check-grid p{margin:0;color:#77736d;font-size:13px;line-height:1.7}

/* seo copy */
.seo-copy{background:var(--purple);color:#fff}
.seo-copy__grid{
  width:min(1180px,calc(100% - 40px));margin:auto;display:grid;grid-template-columns:.82fr 1.18fr;gap:80px
}
.seo-copy .section__kicker{color:var(--lime)}
.seo-copy__body p{color:#ded9ff}
.seo-copy__body p+p{margin-top:18px}
.seo-copy__body strong{color:#fff}

/* faq */
.faq{background:var(--paper)}
.faq-layout{
  width:min(1180px,calc(100% - 40px));margin:auto;display:grid;grid-template-columns:.72fr 1.28fr;gap:70px
}
.faq-title>p{margin-top:20px}
.faq-title img{margin-top:32px;border-radius:18px;width:100%;max-height:180px;object-fit:cover}
.faq-list{border-top:1px solid #cbc5bb}
.faq-list details{border-bottom:1px solid #cbc5bb}
.faq-list summary{
  list-style:none;cursor:pointer;padding:24px 0;display:flex;justify-content:space-between;gap:20px;font-weight:800
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary span{font-size:20px;transition:.2s}
.faq-list details[open] summary span{transform:rotate(45deg)}
.faq-list details>div{padding:0 40px 24px 0;color:#716e68;font-size:14px;line-height:1.8}

/* final */
.final-cta{background:#111217;color:#fff;padding:70px 0}
.final-cta__inner{
  width:min(1180px,calc(100% - 40px));margin:auto;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center
}
.final-cta .section__kicker{color:var(--lime)}
.final-cta h2{font-size:clamp(34px,4.5vw,58px);margin:0 0 12px;letter-spacing:-.04em}
.final-cta p{margin:0;color:#aaa9b0}
.final-cta__button{
  min-width:340px;border-radius:22px;background:var(--lime);color:#111;padding:20px 22px;
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px
}
.final-cta__button>span{
  width:46px;height:46px;border-radius:13px;background:#111;color:#fff;display:grid;place-items:center;font-size:11px;font-weight:900
}
.final-cta__button strong{font-size:16px}
.final-cta__button b{font-size:22px}

/* footer */
.footer{background:#0b0c10;color:#aaa9b0;border-top:1px solid #202129}
.footer__inner{
  width:min(1180px,calc(100% - 40px));min-height:130px;margin:auto;display:grid;
  grid-template-columns:1fr 1.3fr auto;gap:40px;align-items:center
}
.footer__brand{display:flex;gap:12px;align-items:center}
.footer__brand img{border-radius:12px}
.footer__brand strong,.footer__brand span{display:block}
.footer__brand strong{color:#fff;font-size:14px}
.footer__brand span{font-size:10px;margin-top:4px}
.footer p{font-size:11px;line-height:1.7;margin:0}
.footer a{font-size:12px;color:#fff}

/* mobile dock */
.mobile-dock{
  display:none;position:fixed;left:10px;right:10px;bottom:10px;z-index:200;background:#111217;color:#fff;
  border-radius:18px;padding:10px 10px 10px 12px;box-shadow:0 20px 60px rgba(0,0,0,.35)
}
.mobile-dock>div{display:flex;align-items:center;gap:9px}
.mobile-dock img{border-radius:10px}
.mobile-dock span small,.mobile-dock span b{display:block}
.mobile-dock span small{font-size:8px;color:#999ba3;letter-spacing:.1em}
.mobile-dock span b{font-size:12px;margin-top:2px}
.mobile-dock>a{margin-left:auto;background:var(--lime);color:#111;padding:11px 16px;border-radius:12px;font-size:12px;font-weight:900}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}

@media (max-width:980px){
  .nav{display:none}
  .hero__grid{grid-template-columns:1fr;min-height:auto}
  .hero__content{padding-bottom:25px}
  .hero__visual{min-height:490px}
  .section__head--split,.preview-layout,.android-layout,.seo-copy__grid,.faq-layout{grid-template-columns:1fr;gap:38px}
  .device-strip__inner{grid-template-columns:1fr}
  .device-pill{border-left:1px solid #ece7de}
  .os-grid{grid-template-columns:1fr}
  .ios-steps{grid-template-columns:repeat(2,1fr)}
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .check-grid article:nth-child(3){border-left:1px solid #ddd8cf;border-top:1px solid #ddd8cf}
  .check-grid article:nth-child(4){border-top:1px solid #ddd8cf}
  .final-cta__inner{grid-template-columns:1fr}
  .final-cta__button{min-width:0}
  .footer__inner{grid-template-columns:1fr;padding:28px 0;gap:18px}
}

@media (max-width:640px){
  body{padding-bottom:82px}
  .topbar__inner{width:min(100% - 24px,1180px);height:66px}
  .brand img{width:40px;height:40px}
  .brand__copy strong{font-size:16px}
  .topbar__cta{display:none}
  .hero__grid,.device-strip__inner,.section__head,.os-grid,.preview-layout,.ios-steps,.ios-flow__cta,.android-layout,.check__head,.check-grid,.seo-copy__grid,.faq-layout,.final-cta__inner,.footer__inner{
    width:min(100% - 28px,1180px)
  }
  .hero__content{padding:56px 0 20px}
  .hero h1{font-size:42px}
  .hero__lead{font-size:15px}
  .hero__actions{display:grid}
  .btn{width:100%}
  .hero__facts{gap:18px;overflow:auto}
  .hero__facts b{font-size:21px}
  .hero__visual{min-height:415px}
  .phone-stage{height:390px}
  .phone-stage__main{width:280px;max-height:300px}
  .phone-stage__halo{width:300px;height:300px}
  .phone-stage__badge--top{width:150px;right:0;top:32px}
  .phone-stage__badge--bottom{width:135px;left:0;bottom:28px}
  .hero__note{display:none}
  .section{padding:72px 0}
  .section__head{margin-bottom:30px}
  .section__head h2,.preview-copy h2,.android-copy h2,.check__head h2,.seo-copy h2,.faq-title h2{font-size:34px}
  .os-card{min-height:360px;padding:26px}
  .preview-points div{grid-template-columns:1fr;gap:6px}
  .preview-art{min-height:330px}
  .preview-art__wide{width:100%;min-height:250px}
  .preview-art__small{width:55%}
  .ios-steps{grid-template-columns:1fr}
  .ios-step__image{height:420px}
  .ios-flow__cta{align-items:flex-start;flex-direction:column}
  .android-art{min-height:400px}
  .android-art__frame{width:100%}
  .android-art__frame img{min-height:270px}
  .android-art__card{width:94%;left:3%;bottom:-12px}
  .check-grid{grid-template-columns:1fr}
  .check-grid article,.check-grid article:first-child,.check-grid article:nth-child(3),.check-grid article:nth-child(4){border:0;border-top:1px solid #ddd8cf}
  .check-grid article:last-child{border-bottom:1px solid #ddd8cf}
  .final-cta__button{width:100%}
  .mobile-dock{display:flex}
}


/* QQPK_SAFE_01_33_START */

/*
   QQPK 01-33 图片基础安全补丁
*/

html,
body {
    max-width: 100%;
    overflow-x: hidden;
}

main {
    max-width: 100%;
    overflow-x: clip;
}

main figure,
main picture {
    max-width: 100%;
}

main img {
    max-width: 100%;
}

/*
   客户端截图和安装步骤图优先完整显示。
*/

main figure img,
main [class*="stage"] img,
main [class*="screen"] img,
main [class*="preview"] img,
main [class*="visual"] img,
main [class*="gallery"] img,
main [class*="step"] img {
    object-fit: contain;
}

main img[src*="qqpk-ios-step-2.png"] {
    display: block !important;

    width: auto !important;
    max-width: 100% !important;

    height: auto !important;
    max-height: 520px !important;

    object-fit: contain !important;

    margin-left: auto !important;
    margin-right: auto !important;
}

main img[src*="qqpk-ios-step-3.png"] {
    display: block !important;

    width: auto !important;
    max-width: 100% !important;

    height: auto !important;
    max-height: 520px !important;

    object-fit: contain !important;

    margin-left: auto !important;
    margin-right: auto !important;
}

main img[src*="qqpk-ios-step-4.png"] {
    display: block !important;

    width: auto !important;
    max-width: 100% !important;

    height: auto !important;
    max-height: 520px !important;

    object-fit: contain !important;

    margin-left: auto !important;
    margin-right: auto !important;
}

@media (max-width: 640px) {

    main img[src*="qqpk-ios-step-2.png"] {
        max-height: 420px !important;
    }

    main img[src*="qqpk-ios-step-3.png"] {
        max-height: 420px !important;
    }

    main img[src*="qqpk-ios-step-4.png"] {
        max-height: 420px !important;
    }

}

/* QQPK_SAFE_01_33_END */