:root{--deep:#042b48;--navy:#073b5c;--blue:#0c7dba;--aqua:#38d5ca;--foam:#effcfb;--white:#fff;--ink:#12364c;--muted:#678598;--line:#bfe0e7}
*{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(--deep);transform:translateY(-150%)}.skip:focus{transform:none}
.header{position:sticky;z-index:50;top:0;background:rgba(255,255,255,.9);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}.drop{width:39px;height:39px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,var(--blue),var(--aqua));border-radius:58% 42% 58% 42% / 62% 43% 57% 38%}.links{margin-left:auto;display:flex;gap:25px;color:#58798d;font-size:11px}.links a:hover,.links a[aria-current=page]{color:var(--blue)}.lang{color:#98aeb9;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 #8ac8d9;border-radius:999px;font-size:11px;font-weight:900;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb;box-shadow:0 8px 22px rgba(16,115,158,.08)}.btn:hover{color:#fff;background:var(--blue);transform:translateY(-2px)}.btn-main{color:#fff;background:linear-gradient(100deg,var(--blue),#16a6bb);border-color:transparent}.menu{display:none;margin-left:auto;width:43px;height:43px;color:var(--blue);background:#fff;border:1px solid var(--line);border-radius:50%}
.hero{position:relative;min-height:780px;overflow:hidden;color:#fff;background:linear-gradient(135deg,#043557 0%,#076696 47%,#14aeb0 100%)}.hero:before,.hero:after{content:"";position:absolute;left:-10%;right:-10%;border-radius:50%}.hero:before{height:260px;bottom:-150px;background:rgba(255,255,255,.16);transform:rotate(-4deg)}.hero:after{height:210px;bottom:-150px;background:#fff;transform:rotate(3deg)}.hero-grid{position:relative;z-index:2;min-height:700px;display:grid;grid-template-columns:1fr 510px;align-items:center;gap:55px;padding:75px 0 100px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#bfffee;font-size:10px;font-weight:900;letter-spacing:.16em}.eyebrow:before{content:"";width:24px;height:2px;background:#bfffee}.hero h1,.page-hero h1{margin:20px 0;font-size:clamp(52px,7vw,88px);line-height:1;letter-spacing:-.065em}.hero h1 span{display:block;color:#bfffee}.lead{max-width:640px;color:#c7e5ed}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}.hero .btn{color:#fff;background:transparent;border-color:rgba(255,255,255,.55)}.hero .btn-main{color:var(--deep);background:#bfffee;border-color:#bfffee}.water-window{position:relative;height:510px;display:grid;place-items:center}.water-window:before{content:"";position:absolute;width:440px;height:440px;background:linear-gradient(145deg,rgba(255,255,255,.28),rgba(148,241,235,.08));border:1px solid rgba(255,255,255,.36);border-radius:42% 58% 52% 48% / 48% 42% 58% 52%;box-shadow:inset 0 0 60px rgba(255,255,255,.12),0 30px 65px rgba(0,40,70,.18)}.water-window img{position:relative;width:78%;height:78%;object-fit:contain;filter:drop-shadow(0 25px 30px rgba(0,46,72,.25))}.win-badge{position:absolute;padding:10px 14px;color:var(--deep);background:rgba(255,255,255,.9);border-radius:14px;font-size:9px;box-shadow:0 12px 35px rgba(0,45,70,.14)}.wb1{top:14%;left:0}.wb2{right:0;bottom:18%}.win-badge b{display:block;color:var(--blue);font-size:14px}.trust{position:absolute;z-index:3;right:0;bottom:85px;left:0;display:flex;justify-content:center}.trust span{padding:9px 24px;color:#d5eef2;font-size:10px}.trust span+span{border-left:1px solid rgba(255,255,255,.35)}.trust b{color:#bfffee;margin-right:7px}
.section{padding:110px 0}.section-foam{background:var(--foam)}.section-deep{color:#fff;background:var(--deep)}.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-deep .head p{color:#9bb8c7}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.metric{padding:29px;background:#fff;border:1px solid var(--line);border-radius:35px 35px 12px 35px}.metric strong{display:block;color:var(--blue);font-size:34px}.metric span{color:#718b9c;font-size:10px}.fine{margin-top:10px;color:#8aa0ad;font-size:9px;text-align:right}
.windows-focus{display:grid;grid-template-columns:1fr 1fr;min-height:520px;border-radius:55px 18px 55px 18px;overflow:hidden;background:linear-gradient(145deg,#dff8f4,#cfeaf5)}.focus-copy{padding:60px;display:flex;flex-direction:column;justify-content:center}.focus-copy code{color:var(--blue);font-size:10px}.focus-copy h3{margin:18px 0;font-size:38px}.focus-copy p{color:#59798b}.focus-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:25px}.focus-list span{padding:12px;background:rgba(255,255,255,.65);border-radius:10px;font-size:11px}.focus-media{padding:35px}.focus-media img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 25px 30px rgba(18,96,132,.16))}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.feature{padding:30px;background:#fff;border:1px solid var(--line);border-radius:30px 12px 30px 30px}.feature-icon{width:49px;height:49px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,var(--blue),var(--aqua));border-radius:50%}.feature h3{margin:55px 0 10px;font-size:24px}.feature p{color:var(--muted);font-size:12px}
.route-wave{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.wave-map{height:500px;padding:18px;border:1px solid #27617c;border-radius:55px 18px 55px 18px;background:radial-gradient(circle,#0a5b7b,#04324e)}.wave-map img{width:100%;height:100%;object-fit:contain;opacity:.65;filter:hue-rotate(155deg) saturate(.8)}.nodes{display:grid;gap:8px}.node{display:grid;grid-template-columns:1fr 85px 70px;align-items:center;padding:19px;background:#08415f;border:1px solid #27617c;border-radius:16px 6px 16px 16px}.node small{color:#91b5c4;font-size:9px}.node b{color:#8af0df;font-size:10px;text-align:right}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.review{padding:27px;background:#fff;border:1px solid var(--line);border-radius:26px}.review img{width:100%;height:130px;object-fit:cover;border-radius:17px;filter:grayscale(.6) hue-rotate(150deg)}.stars{margin-top:19px;color:#1389ad;letter-spacing:3px}.review blockquote{margin:15px 0;color:#4d6b7c}.review footer{color:#8299a7;font-size:10px}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.plan{min-height:440px;padding:31px;display:flex;flex-direction:column;background:#08415f;border:1px solid #27617c;border-radius:35px 12px 35px 35px}.plan.best{color:var(--deep);background:linear-gradient(145deg,#8ff0e3,#5fcadb);border-color:#9af4e7;transform:translateY(-12px)}.plan small{color:#8af0df}.best small{color:#075a69}.price{font-size:42px;font-weight:900}.price span{color:#91afbd;font-size:10px}.best .price span{color:#34717a}.plan ul{padding:0;list-style:none;color:#a8c0cb;font-size:12px}.best ul{color:#275e68}.plan li{padding:6px 0}.plan li:before{content:"●";font-size:7px;color:#8af0df;margin-right:8px}.best li:before{color:#075a69}.plan .btn{width:100%;margin-top:auto;background:transparent;color:#fff;border-color:#77afc2}.best .btn{color:var(--deep);border-color:#236a75}
.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.qa{padding:26px;background:#fff;border:1px solid var(--line);border-radius:24px}.qa code{color:var(--blue);font-size:9px}.qa h3{margin:20px 0 8px}.qa p,.qa li{color:var(--muted);font-size:12px}
.page-hero{padding:100px 0 70px;color:#fff;background:linear-gradient(135deg,#043557,#087da0)}.page-grid{display:grid;grid-template-columns:1fr 410px;align-items:center;gap:70px}.page-hero h1{font-size:clamp(45px,6vw,72px)}.page-bubble{height:390px;padding:18px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);border-radius:46% 54% 42% 58% / 51% 42% 58% 49%}.page-bubble img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 20px 25px rgba(0,54,75,.25))}
.downloads{display:grid;gap:10px}.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:20px}.os{width:57px;height:57px;display:grid;place-items:center;color:#fff;background:linear-gradient(145deg,var(--blue),var(--aqua));border-radius:18px;font-weight:900}.download h3{margin:0}.download p{margin:4px 0;color:var(--muted);font-size:10px}.download.primary{border-color:#48b8c4;box-shadow:0 15px 40px rgba(29,132,161,.12)}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.step{padding:27px;background:#08415f;border:1px solid #27617c;border-radius:19px}.step b{color:#8af0df;font-size:9px}.step h3{margin:38px 0 9px}.step p{color:#9eb9c5;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:20px;padding:9px}.guide-nav a{display:block;padding:11px 13px;color:#688397;border-radius:11px;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:var(--muted)}.notice{padding:22px;background:#fff;border:1px solid var(--line);border-left:5px solid var(--blue);border-radius:13px}
.cta{margin-top:75px;padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:30px;color:#fff;background:linear-gradient(110deg,#075176,#079c9d);border-radius:30px 12px 30px 30px}.cta h2{margin:0}.cta p{margin:4px 0;color:#c1e0e5}.footer{padding:55px 0 22px;color:#fff;background:#032b45}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:45px}.footer p{max-width:340px;color:#81a5b6;font-size:10px}.footer h3{color:#8af0df;font-size:10px}.footer-links{display:grid;gap:8px;color:#91b0bf;font-size:10px}.copy{display:flex;justify-content:space-between;margin-top:42px;padding-top:17px;border-top:1px solid #205670;color:#648b9e;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:15px;flex-direction:column}.links.open{display:flex}.menu{display:block}.lang,.nav>.btn{display:none}.hero-grid,.head,.windows-focus,.page-grid,.route-wave{grid-template-columns:1fr}.head{gap:16px}.head p{grid-column:1}.water-window{max-width:520px;width:100%;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-top:65px}.hero h1{font-size:50px}.trust{position:relative;bottom:auto;display:grid;grid-template-columns:1fr}.trust span+span{border-left:0;border-top:1px solid rgba(255,255,255,.25)}.metrics,.plans,.faq,.steps{grid-template-columns:1fr}.section{padding:75px 0}.plan.best{transform:none}.download{grid-template-columns:60px 1fr}.download .btn{grid-column:1/-1}.focus-copy{padding:35px}.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}}