:root{--bg:#06171e;--bg2:#0a252e;--card:#0d2931;--card2:#102f36;--line:rgba(118,236,178,.17);--ink:#effff7;--muted:#aec8c5;--accent:#68f28b;--accent2:#18d2b0;--blue:#25a8e8;--shadow:0 32px 80px rgba(0,0,0,.27);--radius:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font:16px/1.78 system-ui,-apple-system,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);overflow-x:hidden}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{line-height:1.24;letter-spacing:-.025em}h2{font-size:clamp(30px,3.35vw,47px)}h3{font-size:21px}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}svg{max-width:100%}.container{width:min(1180px,calc(100% - 48px));margin:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}::selection{background:#66ea8f;color:#06171e}
.site-header{position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(124,250,175,.12);background:rgba(6,23,30,.86);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.nav-wrap{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:26px}.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;flex-shrink:0;line-height:1}.brand img{height:46px;width:auto;aspect-ratio:1;object-fit:contain;filter:drop-shadow(0 2px 14px #42ff7d2d)}.brand-text{font-size:26px;font-weight:850;letter-spacing:-1.3px}.brand-text b{font-weight:850;color:var(--accent)}.nav-links{display:flex;align-items:center;gap:25px;font-size:14px;color:#d2e5e1}.nav-links>a:not(.nav-btn):hover,.nav-links>a[aria-current="page"]{color:var(--accent)}.nav-btn{padding:11px 19px;border-radius:11px;font-weight:760;background:linear-gradient(115deg,#6dff92,#23d5b1);color:#053126!important;box-shadow:0 8px 22px #41ed8630}.nav-btn:hover{filter:brightness(1.07)}.menu-toggle{display:none;border:1px solid var(--line);background:#11313a;color:#d9fff0;border-radius:12px;width:46px;height:43px;align-items:center;justify-content:center;cursor:pointer;font-size:25px}
.page-hero{position:relative;overflow:hidden;background:radial-gradient(ellipse 50% 70% at 87% 23%,#12664d79,transparent 80%),radial-gradient(ellipse 46% 65% at 18% 0%,#0f487d55,transparent 80%),linear-gradient(145deg,#061a24 12%,#062225 100%);isolation:isolate}.page-hero::before{position:absolute;content:"";inset:0;background-image:linear-gradient(#59f3a30e 1px,transparent 1px),linear-gradient(90deg,#59f3a30e 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(90deg,transparent 2%,#000 70%);pointer-events:none;z-index:-1}.hero-layout{display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:35px;min-height:635px;padding:76px 0 78px}.overline{display:inline-flex;align-items:center;gap:9px;background:#1b453e;color:#9afcb8;border:1px solid #57eaa33d;border-radius:99px;padding:7px 15px;font-size:12px;font-weight:720;letter-spacing:.13em;text-transform:uppercase}.overline .spark{width:7px;height:7px;background:var(--accent);box-shadow:0 0 0 4px #64ff9134;border-radius:50%}.hero-copy h1{font-size:clamp(43px,5.7vw,78px);letter-spacing:-.055em;line-height:1.14;margin:26px 0 25px}.gradient{background:linear-gradient(100deg,#baffaa 0%,#4df4ba 55%,#3bafe3 100%);background-clip:text;-webkit-background-clip:text;color:transparent}.hero-copy .lead{font-size:17px;line-height:1.95;color:#b9d3cc;max-width:610px}.actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:31px}.btn{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 24px;border-radius:12px;font-weight:760;font-size:15px;transition:transform .2s,box-shadow .2s,border-color .2s}.btn:hover{transform:translateY(-3px)}.btn-primary{background:linear-gradient(108deg,#80ff91,#25d7b0);color:#052e27;box-shadow:0 13px 32px #3bff8524}.btn-outline{border:1px solid #79edb854;background:#183b3b85;color:#d4fff0}.btn-outline:hover{border-color:#7afdac}.hero-note{font-size:12px;color:#8eafaa;margin-top:21px}.hero-visual{position:relative;height:570px;display:flex;align-items:center;justify-content:center}.hero-halo{position:absolute;width:490px;height:490px;border-radius:50%;background:radial-gradient(circle,#37f28035 0,#0a8b7645 34%,transparent 71%);filter:blur(7px)}.hero-ring{position:absolute;width:450px;height:450px;border-radius:50%;border:1px solid #63edaa31;box-shadow:inset 0 0 70px #1ddd8d0c,0 0 90px #3ffc7a12;animation:ring 12s linear infinite}.hero-ring:before{content:"";position:absolute;inset:42px;border:1px dashed #55ed993c;border-radius:50%}.hero-mascot{position:relative;z-index:2;width:min(98%,540px);max-height:580px;object-fit:contain;filter:drop-shadow(0 25px 43px #0009) drop-shadow(0 0 35px #13d8872f);animation:float 7s ease-in-out infinite}.float-ui{position:absolute;z-index:3;padding:12px 15px;border-radius:14px;background:#0d3231e9;border:1px solid #79efb23a;box-shadow:0 16px 50px #0007;font-size:12px;color:#d3fae5;backdrop-filter:blur(10px)}.float-ui strong{display:block;font-size:14px;color:#fff}.float-ui.left{left:0;bottom:21%}.float-ui.right{right:0;top:23%}.float-ui .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#64f89d;margin-right:7px;box-shadow:0 0 15px #5bf893}.hero-bottom{border-top:1px solid var(--line);background:#0a222a}.hero-benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.hero-benefits div{padding:18px 20px;border-right:1px solid var(--line);font-size:13px;color:#a5d0c2}.hero-benefits div:last-child{border-right:0}.hero-benefits b{display:block;color:#edfff5;font-size:15px}
.section{padding:94px 0}.section.soft{background:linear-gradient(180deg,#0b222a,#0a1e26)}.section-header{max-width:750px;margin:0 auto 46px;text-align:center}.section-header>span,.eyebrow{display:block;color:#74efa5;font-size:12px;font-weight:830;letter-spacing:.18em;text-transform:uppercase;margin-bottom:14px}.section-header h2{margin-bottom:16px}.section-header p{color:var(--muted);font-size:16px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:21px}.card{border:1px solid var(--line);background:linear-gradient(145deg,#12313a,#09232b);border-radius:21px;padding:29px;box-shadow:0 9px 20px #0000001a;transition:border-color .2s,transform .2s}.card:hover{border-color:#65f7ac62;transform:translateY(-3px)}.card h3{margin:18px 0 12px}.card p,.card li{font-size:14px;color:#aecac2}.symbol{width:57px;height:57px;display:grid;place-items:center;border-radius:16px;background:linear-gradient(140deg,#215d50,#113c41);border:1px solid #5feeab42;color:#81ffae;font-size:27px}.card a.text-link{display:inline-block;color:#8afeb9;font-weight:730;font-size:14px;margin-top:18px}.split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:74px}.split p{color:var(--muted)}.split h2{margin:0 0 20px}.check-list{padding:0;list-style:none}.check-list li{margin:11px 0;color:#c9e3da}.check-list li:before{content:'✓';color:#65f5a0;font-weight:850;margin-right:12px}.network-art{min-height:370px;border:1px solid #54de9d42;border-radius:29px;background:radial-gradient(circle at 48% 48%,#278d7744,transparent 56%),repeating-linear-gradient(0deg,#96ffc20b 0 1px,transparent 1px 38px),repeating-linear-gradient(90deg,#96ffc20b 0 1px,transparent 1px 38px),#0e2c35;overflow:hidden;display:flex;justify-content:center;align-items:center;position:relative}.network-art svg{width:86%;max-width:440px;opacity:.93}.network-art .tag{position:absolute;left:24px;bottom:22px;font-size:13px;color:#bdf7d2;background:#102c35;padding:8px 13px;border:1px solid #7cffab36;border-radius:8px}.device-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}.device-card{border:1px solid var(--line);border-radius:19px;background:#12313a;padding:25px 20px;text-align:center}.device-icon{font-size:36px;display:block;margin-bottom:13px}.device-card h3{font-size:19px;margin-bottom:6px}.device-card p{color:var(--muted);font-size:13px;min-height:50px}.device-card a{color:#8afdba;font-weight:730;font-size:13px}.feature-band{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.scenario{min-height:255px;display:flex;flex-direction:column;justify-content:flex-end;border-radius:22px;padding:29px;background:linear-gradient(150deg,#18483f,#102833);border:1px solid #63e6ad30;position:relative;overflow:hidden}.scenario:before{content:"";position:absolute;width:190px;height:190px;background:radial-gradient(circle,#49eb9a58,transparent 66%);right:-50px;top:-70px;border-radius:50%}.scenario b{font-size:23px;margin-bottom:12px;position:relative}.scenario p{color:#b9d5cd;max-width:440px;margin:0;position:relative}.cta-band{padding:69px 0;background:radial-gradient(ellipse at 88% 0%,#5ffe8e50,transparent 47%),linear-gradient(112deg,#11634f,#0c353b)}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:28px}.cta-inner h2{margin:0 0 10px}.cta-inner p{margin:0;color:#cbf5e2}.cta-inner .btn{background:#e0ffe2;color:#063b2c;flex-shrink:0}
.page-banner{position:relative;padding:78px 0 74px;background:radial-gradient(ellipse at 78% 12%,#124e3b70,transparent 56%),linear-gradient(160deg,#071e27,#0d3031);border-bottom:1px solid var(--line);overflow:hidden}.page-banner h1{font-size:clamp(39px,4vw,58px);margin:0 0 20px}.page-banner p{max-width:790px;font-size:17px;color:#bdcfcd;margin-bottom:0}.breadcrumb{font-size:13px;color:#82b5aa;margin-bottom:25px}.breadcrumb a:hover{color:#8effb3}.prose{max-width:840px;margin:auto}.prose .content-section{padding:0 0 29px;margin:0 0 34px;border-bottom:1px solid var(--line)}.prose .content-section h2{font-size:27px;margin:0 0 14px}.prose p,.prose li{color:#b7cdc8;line-height:2}.prose ul,.prose ol{padding-left:23px}.prose a{color:#89f8ae}.related{border:1px solid var(--line);border-radius:20px;padding:27px;background:#102b32;margin-top:25px}.related strong{display:block;font-size:19px;margin-bottom:13px}.related-links{display:flex;flex-wrap:wrap;gap:9px}.related-links a{border:1px solid #59e3a843;border-radius:99px;padding:5px 14px;color:#b4f7cb;font-size:13px}.faq-list{max-width:920px;margin:0 auto}.faq-list details{border:1px solid var(--line);border-radius:14px;background:#102d35;margin-bottom:14px;padding:20px 24px}.faq-list summary{cursor:pointer;font-weight:750;font-size:17px}.faq-list summary::marker{color:#78f6ab}.faq-list p{color:var(--muted);margin:15px 0 3px}.guide-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.guide-list .card h3{font-size:20px}.policy-note{color:#d5f3df;font-size:14px;padding:15px 18px;border-left:3px solid #69ed9e;background:#194038;border-radius:0 10px 10px 0}.footer{background:#041218;border-top:1px solid var(--line);padding:57px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:60px}.footer .brand-text{font-size:23px}.footer p,.footer a{color:#9ab9b3;font-size:14px}.footer a:hover{color:#8cffb0}.footer h3{font-size:15px;margin-bottom:14px}.footer-col{display:flex;flex-direction:column;gap:10px}.footer-end{padding-top:25px;border-top:1px solid #4df2aa16;margin-top:45px;color:#7caaa1;font-size:12px}.footer-end a{font-size:12px;color:#8bf3b4}
@keyframes float{50%{transform:translateY(-12px)}}@keyframes ring{to{transform:rotate(360deg)}}.reveal{opacity:1;transform:none}@media(prefers-reduced-motion:no-preference){.reveal.will-animate{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}.reveal.will-animate.visible{opacity:1;transform:none}}
@media(max-width:1080px){.brand-text{font-size:23px}.nav-links{gap:16px}.hero-layout{min-height:575px}.hero-visual{height:480px}.hero-ring{width:350px;height:350px}.float-ui.left{left:-10px}}
@media(max-width:860px){.nav-wrap{min-height:70px}.menu-toggle{display:flex}.nav-links{display:none;position:absolute;left:0;right:0;top:70px;padding:12px 24px 21px;background:#0b2730;box-shadow:0 24px 35px #0008;flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line)}.nav-links.open{display:flex}.nav-links a{padding:12px 9px}.nav-btn{text-align:center;margin-top:8px}.hero-layout{grid-template-columns:1fr;padding:61px 0 28px;gap:14px;min-height:0}.hero-copy h1{font-size:clamp(43px,8vw,70px)}.hero-visual{height:440px}.hero-halo{width:400px;height:400px}.hero-ring{width:360px;height:360px}.hero-mascot{max-height:460px;width:450px}.float-ui.right{right:4%}.float-ui.left{left:6%}.grid,.guide-list{grid-template-columns:repeat(2,1fr)}.device-grid{grid-template-columns:repeat(2,1fr)}.split{gap:35px}.hero-benefits{grid-template-columns:repeat(2,1fr)}.hero-benefits div:nth-child(2){border-right:0}.hero-benefits div:nth-child(-n+2){border-bottom:1px solid var(--line)}.footer-grid{gap:25px}}
@media(max-width:610px){.container{width:calc(100% - 34px)}.brand img{height:41px}.brand-text{font-size:23px}.hero-layout{padding:45px 0 0}.hero-copy h1{font-size:clamp(39px,10.5vw,55px)}.hero-copy .lead{font-size:15px;line-height:1.9}.hero-visual{height:330px}.hero-mascot{width:325px;max-height:350px}.hero-ring{width:285px;height:285px}.hero-halo{width:310px;height:310px}.float-ui{display:none}.actions .btn{flex:1;min-width:142px;padding:12px 15px}.hero-benefits div{padding:14px 11px;font-size:12px}.hero-benefits b{font-size:13px}.section{padding:67px 0}.section-header{margin-bottom:31px}.grid,.guide-list,.device-grid,.feature-band,.split{grid-template-columns:1fr}.split .network-art{order:-1}.network-art{min-height:300px}.card{padding:23px}.cta-inner{align-items:flex-start;flex-direction:column}.cta-band{padding:52px 0}.page-banner{padding:55px 0}.page-banner p{font-size:15px}.prose .content-section h2{font-size:24px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}.footer{padding-top:45px}.footer-end{margin-top:32px}}
@media(max-width:360px){.brand-text{font-size:19px}.hero-copy h1{font-size:36px}.hero-visual{height:275px}.hero-mascot{width:285px;max-height:290px}.hero-ring{width:245px;height:245px}.actions{gap:9px}.actions .btn{font-size:13px;min-width:128px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}.hero-mascot,.hero-ring{animation:none!important}*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}}