:root{
  --blue:#2440f0;--blue-d:#1526b8;--blue-l:#eaeefe;--cyan:#5b8bff;
  --ink:#0d1730;--ink2:#44506e;--ink3:#7d87a3;
  --navy:#0b1240;--navy2:#111a55;--line:#dde3f5;--bg:#f8faff;--white:#fff;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.76;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
.wrap{width:min(1140px,92%);margin:0 auto}
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--blue);color:#fff;font-weight:800;font-size:15px;
  padding:13px 27px;border-radius:10px;box-shadow:0 2px 0 var(--blue-d),0 10px 26px rgba(36,64,240,.24);transition:.2s}
.btn:hover{transform:translateY(-1px)}
.btn svg{width:17px;height:17px}
.sec-k{display:inline-flex;align-items:center;gap:8px;font-size:11px;letter-spacing:2.5px;font-weight:800;color:var(--blue);
  text-transform:uppercase;margin-bottom:10px}
.sec-k::before{content:"";width:18px;height:2px;background:var(--blue)}
.sec-h h2{font-size:clamp(24px,3.2vw,34px);line-height:1.28;letter-spacing:-.6px}
.sec-h p{margin-top:9px;font-size:14.3px;color:var(--ink2);max-width:640px}

/* header */
.sh{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(248,250,255,.93);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;transition:.25s}
.sh.on{border-bottom-color:var(--line)}
.sh-in{display:flex;align-items:center;gap:20px;height:64px}
.sh-brand{display:flex;align-items:center;gap:9px}
.sh-brand img{border-radius:9px}
.sh-brand strong{display:block;font-size:16px;letter-spacing:.2px;font-family:var(--mono)}
.sh-brand small{display:block;font-size:10.5px;color:var(--ink3);letter-spacing:.5px}
.sh nav{display:flex;gap:22px;margin-left:auto;font-size:13.3px;color:var(--ink2)}
.sh nav a{padding:4px 0;border-bottom:2px solid transparent;font-family:var(--mono);font-size:12.6px}
.sh nav a:hover{color:var(--blue);border-bottom-color:var(--blue)}
.sh-cta{background:var(--blue);color:#fff;font-weight:800;font-size:13.3px;padding:9px 18px;border-radius:8px}
.sh-menu{display:none;margin-left:auto;background:none;border:0;color:var(--ink);width:38px;height:38px;align-items:center;justify-content:center}

/* hero5 */
.hero5{background:
  radial-gradient(60% 80% at 88% 10%,#2b3fd6 0%,transparent 60%),
  linear-gradient(160deg,#0a1040 0%,#0d1750 60%,#0a1040 100%);
  color:#fff;padding:108px 0 0;position:relative;overflow:hidden}
.hero5::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:46px 46px;opacity:.6}
.hero5-in{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;padding:16px 0 54px}
.hero5 .kicker{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11.5px;letter-spacing:1.6px;
  color:#a8b8ff;border:1px solid rgba(255,255,255,.18);border-radius:99px;padding:5px 12px;background:rgba(255,255,255,.04)}
.hero5 .kicker i{width:6px;height:6px;border-radius:50%;background:#64ffb1;box-shadow:0 0 0 3px rgba(100,255,177,.15)}
.hero5 h1{font-family:var(--mono);font-size:clamp(46px,7vw,74px);line-height:1;letter-spacing:-3px;margin:14px 0 10px;
  font-weight:800}
.hero5 h1 span{color:#6d8bff}
.hero5 .lead{font-size:clamp(18px,2.3vw,24px);font-weight:800;color:#dfe6ff}
.hero5 .desc{margin-top:11px;font-size:14.4px;color:rgba(255,255,255,.68);max-width:520px}
.hero5 .acts{margin:20px 0 14px}
.hero5 .upd{font-family:var(--mono);font-size:11.6px;color:rgba(255,255,255,.45)}
.hero5 .upd time{color:#cfd8ff;font-weight:700}
.hero5-art{position:relative;display:flex;justify-content:center}
.phone5{background:#0a0f33;border:1px solid rgba(255,255,255,.16);border-radius:26px;padding:8px;
  box-shadow:0 30px 60px rgba(0,0,0,.45)}
.phone5 img{width:230px;height:430px;object-fit:cover;border-radius:18px}
.chip5{position:absolute;font-family:var(--mono);font-size:10.6px;background:#0e1650;border:1px solid rgba(255,255,255,.16);
  color:#c9d4ff;border-radius:8px;padding:7px 10px;box-shadow:0 10px 24px rgba(0,0,0,.3)}
.chip5 b{display:block;color:#fff;font-size:11.6px}
.chip5.c1{top:24px;left:-10px}
.chip5.c2{bottom:64px;right:-14px}
.chip5.c3{bottom:12px;left:6px;color:#64ffb1;border-color:rgba(100,255,177,.35)}

/* stat5 */
.stat5{border-bottom:1px solid var(--line);background:#fff;padding:18px 0}
.stat5-in{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.stat5-in div{display:flex;align-items:center;gap:9px;font-size:12.2px;color:var(--ink2)}
.stat5-in i{width:8px;height:8px;border-radius:2px;background:var(--blue);flex:none}
.stat5-in b{font-family:var(--mono);color:var(--ink);font-size:12.6px}

/* mod5 */
.mod5{padding:64px 0 72px}
.mod5 .sec-h{margin-bottom:24px}
.spec{display:grid;grid-template-columns:1fr 1fr;gap:0 28px;border-top:2px solid var(--navy)}
.spec .row{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.spec .row .code{font-family:var(--mono);font-size:11px;color:var(--blue);font-weight:800;padding-top:3px}
.spec .row h4{font-size:15.2px;margin-bottom:3px;display:flex;align-items:center;gap:8px}
.spec .row h4 em{font-style:normal;font-family:var(--mono);font-size:9.6px;color:var(--ink3);border:1px solid var(--line);
  border-radius:4px;padding:0 5px;letter-spacing:.5px}
.spec .row p{font-size:12.9px;color:var(--ink2)}

/* view5 */
.view5{padding:72px 0 66px;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.view5-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:start;margin-top:24px}
.shot-big{border:1px solid var(--line);border-radius:14px;padding:8px;background:var(--bg)}
.shot-big img{width:100%;height:440px;object-fit:cover;border-radius:9px}
.thumbs{display:grid;gap:14px}
.thumbs figure{border:1px solid var(--line);border-radius:12px;padding:6px;background:var(--bg);display:grid;
  grid-template-columns:96px 1fr;gap:12px;align-items:center}
.thumbs img{width:96px;height:104px;object-fit:cover;border-radius:7px}
.thumbs figcaption{font-size:12.2px;color:var(--ink2);padding-right:6px}
.thumbs figcaption b{display:block;font-size:13.2px;color:var(--ink);margin-bottom:2px}
.view5-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}
.view5-notes div{border-left:3px solid var(--blue);padding:2px 0 2px 13px;font-size:12.7px;color:var(--ink2)}
.view5-notes b{display:block;color:var(--ink);font-size:13.3px}
.guide5{padding:68px 0 70px;background:#fff;border-bottom:1px solid var(--line)}
.guide5 .sec-h{margin-bottom:24px}
.gbox{background:var(--blue-l);border-radius:14px;padding:24px 26px}
.gbox ol{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:g5}
.gbox li{font-size:12.8px;color:var(--ink2);padding-left:27px;position:relative}
.gbox li::before{counter-increment:g5;content:"0" counter(g5);position:absolute;left:0;top:0;font-family:var(--mono);
  font-size:11px;font-weight:800;color:var(--blue)}
.gbox li b{display:block;color:var(--ink);font-size:13.3px;margin-bottom:2px}
.gbox .gnote{margin-top:16px;padding-top:13px;border-top:1px dashed rgba(36,64,240,.22);font-size:12.6px;color:var(--ink3)}

/* faq5 */
.faq5{padding:72px 0 66px;background:var(--navy);color:#fff}
.faq5 .sec-k{color:#8298ff}
.faq5 .sec-k::before{background:#8298ff}
.faq5 .sec-h h2{color:#fff}
.faq5 .sec-h p{color:rgba(255,255,255,.62)}
.faq5-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.q5{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:17px 18px}
.q5 h3{font-size:14.2px;color:#fff;display:flex;gap:9px;margin-bottom:5px;line-height:1.6}
.q5 h3 span{font-family:var(--mono);color:#8298ff;font-size:10.5px;padding-top:3px}
.q5 p{font-size:12.7px;color:rgba(255,255,255,.66)}

/* rank5 */
.rank5{padding:70px 0 66px;background:var(--bg)}
.rank5 .sec-h{margin-bottom:18px}
.rank5-list{border-top:1px solid var(--line)}
.r5{display:grid;grid-template-columns:64px 1fr 190px;gap:20px;padding:18px 4px;border-bottom:1px solid var(--line);align-items:start}
.r5 .idx{font-family:var(--mono);font-size:15px;font-weight:800;color:var(--blue);padding-top:2px}
.r5 p{font-size:13.3px;color:var(--ink2)}
.r5 .who{display:flex;align-items:center;gap:9px;font-size:11.6px;color:var(--ink3);justify-content:flex-end;text-align:right}
.r5 .who i{width:26px;height:26px;border-radius:50%;background:var(--blue-l);color:var(--blue-d);font-style:normal;
  display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;flex:none}
.r5 .who b{display:block;color:var(--ink);font-size:12.2px}
.r5 .who time{font-family:var(--mono);font-size:10.4px}

/* grab5 */
.grab5{padding:0 0 74px;background:var(--bg)}
.grab5-card{background:linear-gradient(115deg,#e7ecff 0%,#f4f7ff 55%,#dfe7ff 100%);border:1px solid #ccd6f7;
  border-radius:18px;padding:32px 34px;display:flex;align-items:center;gap:26px;flex-wrap:wrap;position:relative;overflow:hidden}
.grab5-card::after{content:"venera";position:absolute;right:-10px;bottom:-30px;font-family:var(--mono);font-size:96px;
  font-weight:800;color:rgba(36,64,240,.07);letter-spacing:-6px;line-height:1}
.grab5-card img{width:58px;height:58px;border-radius:12px;position:relative;z-index:1}
.grab5-card h2{font-size:clamp(22px,3vw,30px);line-height:1.3;position:relative;z-index:1}
.grab5-card p{font-size:13.3px;color:var(--ink2);margin-top:6px;max-width:520px;position:relative;z-index:1}
.grab5-card .btn{margin-left:auto;position:relative;z-index:1}
.grab5-card .meta{display:flex;gap:13px;flex-wrap:wrap;margin-top:10px;font-family:var(--mono);font-size:10.8px;color:var(--ink3)}

/* footer */
.ft{background:#080d2b;color:rgba(255,255,255,.55);padding:44px 0 24px;font-size:12.4px}
.ft-in{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:28px}
.ft-brand{display:flex;align-items:center;gap:9px;color:#fff;font-size:15px;font-weight:800;margin-bottom:8px;font-family:var(--mono)}
.ft-brand img{border-radius:7px}
.ft h4{color:#fff;font-size:12.6px;margin-bottom:8px;letter-spacing:.8px}
.ft-col a,.ft-col span{display:block;margin-bottom:5px;font-size:12px;color:rgba(255,255,255,.5)}
.ft-col a:hover{color:#8fa5ff}
.ft-copy{margin-top:28px;padding-top:15px;border-top:1px solid rgba(255,255,255,.1);font-size:11.3px;
  color:rgba(255,255,255,.38);line-height:1.9;font-family:var(--mono)}

.backtop{position:fixed;right:24px;bottom:84px;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--blue-d);display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:0 6px 18px rgba(13,23,48,.14);opacity:0;visibility:hidden;transition:.25s;z-index:55}
.backtop.on{opacity:1;visibility:visible}

@media (max-width:1000px){
  .hero5-in{grid-template-columns:1fr;gap:26px}
  .hero5-art{order:2}
  .spec{grid-template-columns:1fr}
  .view5-grid{grid-template-columns:1fr}
  .gbox ol{grid-template-columns:1fr}
  .stat5-in{grid-template-columns:1fr 1fr}
  .r5{grid-template-columns:40px 1fr}
  .r5 .who{grid-column:2;justify-content:flex-start;text-align:left}
}
@media (max-width:720px){
  .sh nav{display:none}
  .sh-menu{display:inline-flex}
  .sh-cta{margin-left:6px}
  .sh nav.open{display:flex;position:absolute;top:64px;left:0;right:0;background:var(--bg);flex-direction:column;
    padding:14px 22px 18px;gap:14px;border-bottom:1px solid var(--line)}
  .hero5{padding-top:92px}
  .phone5 img{width:206px;height:390px}
  .chip5.c1{left:-2px}
  .chip5.c2{right:-2px}
  .faq5-grid{grid-template-columns:1fr}
  .view5-notes{grid-template-columns:1fr}
  .thumbs figure{grid-template-columns:80px 1fr}
  .thumbs img{width:80px;height:92px}
  .ft-in{grid-template-columns:1fr}
  .btn{width:100%;justify-content:center}
  .grab5-card{padding:22px}
  .grab5-card .btn{margin-left:0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}