:root{--ink:#26384c;--silver:#8fa5b8;--blue:#4f7fa9;--ice:#dcecf4;--snow:#f7fbfd;--white:#fff;--muted:#71869a;--line:#d4e0e7;--dark:#243d55}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.wrap{width:min(1200px,calc(100% - 46px));margin:auto}.skip{position:fixed;z-index:99;top:6px;left:6px;padding:8px 13px;color:#fff;background:var(--dark);transform:translateY(-150%)}.skip:focus{transform:none}
.header{position:sticky;z-index:50;top:0;background:rgba(255,255,255,.93);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.nav{min-height:74px;display:flex;align-items:center;gap:29px}.brand{display:flex;align-items:center;gap:11px;font-weight:900}.flake{width:40px;height:40px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,#6d8faa,#b9cfdb);clip-path:polygon(50% 0,61% 35%,88% 13%,67% 42%,100% 50%,67% 58%,88% 87%,61% 65%,50% 100%,39% 65%,12% 87%,33% 58%,0 50%,33% 42%,12% 13%,39% 35%)}.links{margin-left:auto;display:flex;gap:25px;color:#657b8f;font-size:11px}.links a:hover,.links a[aria-current=page]{color:var(--blue)}.lang{color:#a1b0bc;font-size:10px}.btn{display:inline-flex;min-height:43px;align-items:center;justify-content:center;padding:9px 18px;color:var(--blue);background:#fff;border:1px solid #afc6d5;border-radius:8px;font-size:11px;font-weight:900;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb}.btn:hover{color:#fff;background:var(--blue);transform:translateY(-2px)}.btn-main{color:#fff;background:var(--dark);border-color:var(--dark)}.menu{display:none;margin-left:auto;width:43px;height:43px;color:var(--dark);background:#fff;border:1px solid var(--line);border-radius:8px}
.hero{position:relative;min-height:790px;overflow:hidden;background:linear-gradient(180deg,#fafdff 0%,#e8f2f7 58%,#fff 100%)}.hero:before,.hero:after{content:"";position:absolute;left:-10%;right:-10%;background:#fff;transform-origin:center}.hero:before{height:300px;bottom:-135px;clip-path:polygon(0 53%,25% 12%,48% 48%,72% 0,100% 43%,100% 100%,0 100%)}.hero:after{height:210px;bottom:-95px;opacity:.55;clip-path:polygon(0 25%,17% 60%,39% 16%,59% 55%,83% 3%,100% 42%,100% 100%,0 100%)}.hero-grid{position:relative;z-index:2;min-height:710px;display:grid;grid-template-columns:1fr 500px;align-items:center;gap:65px;padding:75px 0 100px}.eyebrow{color:var(--blue);font-size:10px;font-weight:900;letter-spacing:.17em}.hero h1,.page-hero h1{margin:20px 0;font-size:clamp(52px,7vw,88px);line-height:.99;letter-spacing:-.065em}.hero h1 span{display:block;color:var(--blue)}.lead{max-width:650px;color:var(--muted)}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}.device-snow{position:relative;height:570px;display:grid;place-items:center}.phone{position:relative;width:278px;height:540px;padding:11px;background:#e4eaee;border:2px solid #97a9b6;border-radius:45px;box-shadow:0 35px 65px rgba(72,106,130,.2)}.phone:before{content:"";position:absolute;z-index:2;top:18px;left:50%;width:88px;height:22px;background:#cfd7dc;border-radius:999px;transform:translateX(-50%)}.phone img{width:100%;height:100%;object-fit:contain;border-radius:34px;background:#edf5f8}.silver-card{position:absolute;padding:10px 14px;background:rgba(255,255,255,.93);border:1px solid #cddce4;border-radius:11px;box-shadow:0 12px 30px rgba(62,101,130,.12);color:#75899a;font-size:9px}.sc1{top:17%;left:-7%}.sc2{right:-7%;bottom:20%}.silver-card b{display:block;color:var(--blue);font-size:14px}.trust{position:absolute;z-index:3;right:0;bottom:68px;left:0;display:flex;justify-content:center}.trust span{padding:9px 24px;color:#677e91;font-size:10px}.trust span+span{border-left:1px solid #c5d7df}.trust b{color:#5282a6;margin-right:7px}
.section{padding:110px 0}.section-snow{background:var(--snow)}.section-dark{color:#fff;background:var(--dark)}.head{display:grid;grid-template-columns:180px 1fr;gap:55px;margin-bottom:55px}.head h2{margin:0;max-width:820px;font-size:clamp(36px,5vw,58px);line-height:1.08;letter-spacing:-.045em}.head p{grid-column:2;margin:0;max-width:680px;color:var(--muted)}.section-dark .head p{color:#b0c0cc}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--line)}.metric{padding:29px 25px;background:#fff}.metric+.metric{border-left:1px solid var(--line)}.metric strong{display:block;color:var(--blue);font-size:34px}.metric span{color:#718598;font-size:10px}.fine{margin-top:10px;color:#96a6b2;font-size:9px;text-align:right}
.ios-focus{display:grid;grid-template-columns:1fr 420px;min-height:540px;background:#fff;border:1px solid var(--line);box-shadow:0 22px 60px rgba(60,94,120,.08)}.ios-copy{padding:60px;display:flex;flex-direction:column;justify-content:center}.ios-copy code{color:var(--blue);font-size:10px}.ios-copy h3{margin:18px 0;font-size:38px}.ios-copy p{color:#667d90}.compat{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:23px 0}.compat span{padding:11px;background:#f1f6f8;border:1px solid #dae5ea;border-radius:7px;font-size:11px}.ios-media{padding:35px;background:linear-gradient(145deg,#edf5f7,#d5e5ed)}.ios-media img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 25px 30px rgba(53,93,122,.15))}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.feature{padding:30px;background:#fff;border:1px solid var(--line);border-radius:14px}.feature-icon{width:50px;height:50px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,#5d82a2,#a5bdcc);border-radius:14px}.feature h3{margin:55px 0 10px;font-size:24px}.feature p{color:#687f91;font-size:12px}
.snow-map{display:grid;grid-template-columns:1fr 390px;gap:15px}.map{height:500px;padding:18px;background:linear-gradient(145deg,#385873,#203b54);border:1px solid #607d94}.map img{width:100%;height:100%;object-fit:contain;opacity:.62;filter:grayscale(.6) hue-rotate(165deg)}.nodes{display:grid;gap:8px}.node{display:grid;grid-template-columns:1fr 85px 70px;align-items:center;padding:19px;background:#2b4a64;border:1px solid #607d94}.node small{color:#b2c1cc;font-size:9px}.node b{color:#d8f2fb;font-size:10px;text-align:right}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.review{padding:27px;background:#fff;border:1px solid var(--line);border-radius:14px}.review img{width:100%;height:130px;object-fit:cover;border-radius:8px;filter:grayscale(.9) hue-rotate(170deg)}.stars{margin-top:19px;color:#577e9f;letter-spacing:3px}.review blockquote{margin:15px 0;color:#536d80}.review footer{color:#8799a7;font-size:10px}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.plan{min-height:440px;padding:31px;display:flex;flex-direction:column;background:#2c4a63;border:1px solid #607d94;border-radius:10px}.plan.best{color:var(--ink);background:linear-gradient(145deg,#fff,#cfe1ea);border-color:#fff;transform:translateY(-12px)}.plan small{color:#d5edf5}.best small{color:var(--blue)}.price{font-size:42px;font-weight:900}.price span{color:#b3c2ce;font-size:10px}.best .price span{color:#647d90}.plan ul{padding:0;list-style:none;color:#c1ced7;font-size:12px}.best ul{color:#536b7e}.plan li{padding:6px 0}.plan li:before{content:"❄";color:#d8f2fb;margin-right:8px}.best li:before{color:var(--blue)}.plan .btn{width:100%;margin-top:auto;background:transparent;color:#fff}.best .btn{color:var(--dark);border-color:#7e9db1}
.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.qa{padding:26px;background:#fff;border:1px solid var(--line);border-radius:13px}.qa code{color:var(--blue);font-size:9px}.qa h3{margin:20px 0 8px}.qa p,.qa li{color:#687f91;font-size:12px}
.page-hero{padding:100px 0 70px;background:linear-gradient(160deg,#f9fcfd,#dce9ef)}.page-grid{display:grid;grid-template-columns:1fr 390px;align-items:center;gap:70px}.page-hero h1{font-size:clamp(45px,6vw,72px)}.page-phone{height:450px;padding:13px;background:#e2e8ec;border:2px solid #98aab6;border-radius:42px;box-shadow:0 28px 60px rgba(56,91,117,.18)}.page-phone img{width:100%;height:100%;object-fit:contain;border-radius:30px}
.downloads{display:grid;gap:9px}.download{display:grid;grid-template-columns:85px 1fr 220px;align-items:center;gap:28px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:12px}.download.primary{background:#f8fbfc;border-color:#93afc1;box-shadow:0 15px 40px rgba(55,91,117,.08)}.os{width:57px;height:57px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,#5d82a2,#a5bdcc);border-radius:15px;font-weight:900}.download h3{margin:0}.download p{margin:4px 0;color:#687f91;font-size:10px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.step{padding:27px;background:#2c4a63;border:1px solid #607d94;border-radius:9px}.step b{color:#d8f2fb;font-size:9px}.step h3{margin:38px 0 9px}.step p{color:#b4c3ce;font-size:11px}
.guide{display:grid;grid-template-columns:270px 1fr;gap:70px}.guide-nav{position:sticky;top:98px;height:max-content;background:#fff;border:1px solid var(--line);border-radius:12px;padding:9px}.guide-nav a{display:block;padding:11px 13px;color:#6a8092;border-radius:6px;font-size:10px}.guide-nav a:hover{color:#fff;background:var(--blue)}.guide-body h2{margin:55px 0 13px;font-size:31px}.guide-body h2:first-child{margin-top:0}.guide-body p,.guide-body li{color:#687f91}.notice{padding:22px;background:#fff;border:1px solid var(--line);border-left:5px solid var(--blue)}
.cta{margin-top:75px;padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:30px;color:#fff;background:linear-gradient(110deg,#314f68,#577c98);border-radius:13px}.cta h2{margin:0}.cta p{margin:4px 0;color:#d0dce4}.footer{padding:55px 0 22px;color:#fff;background:#243d55}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:45px}.footer p{max-width:340px;color:#9bb0c0;font-size:10px}.footer h3{color:#d8f2fb;font-size:10px}.footer-links{display:grid;gap:8px;color:#b0c0cb;font-size:10px}.copy{display:flex;justify-content:space-between;margin-top:42px;padding-top:17px;border-top:1px solid #526c81;color:#8097a8;font-size:9px}
@media(max-width:930px){.links{position:absolute;top:74px;right:24px;left:24px;display:none;padding:17px;background:#fff;border:1px solid var(--line);border-radius:12px;flex-direction:column}.links.open{display:flex}.menu{display:block}.lang,.nav>.btn{display:none}.hero-grid,.head,.page-grid,.ios-focus,.snow-map{grid-template-columns:1fr}.head{gap:16px}.head p{grid-column:1}.device-snow{max-width:500px;margin:auto}.features,.reviews{grid-template-columns:1fr}.guide{grid-template-columns:1fr}.guide-nav{position:static}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.wrap{width:calc(100% - 28px)}.hero-grid{min-height:auto;padding:65px 0 110px}.hero h1{font-size:49px}.trust{position:absolute;bottom:18px;display:grid;grid-template-columns:1fr}.trust span{padding:5px}.trust span+span{border-left:0}.metrics,.plans,.faq,.steps{grid-template-columns:1fr}.metric+.metric{border-left:0;border-top:1px solid var(--line)}.section{padding:75px 0}.plan.best{transform:none}.ios-copy{padding:35px}.download{grid-template-columns:60px 1fr}.download .btn{grid-column:1/-1}.cta,.copy{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}