:root{
  --night:#031126;
  --deep:#061a36;
  --indigo:#342a83;
  --cyan:#58f1e2;
  --blue:#5d9dff;
  --violet:#b06cff;
  --rose:#ff7fbb;
  --ink:#effbff;
  --muted:#9bb7c9;
  --line:rgba(152,220,242,.24);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;overflow-x:hidden}
.aurora-home{min-height:100dvh;color:var(--ink);background:var(--night);font-family:"Microsoft YaHei UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}
.aurora-home a{color:inherit;text-decoration:none}
.aurora-home img{max-width:100%}
.aurora-shell{width:min(1240px,calc(100% - 56px));margin-inline:auto}
.aurora-header{position:absolute;inset:0 0 auto;z-index:50;border-bottom:1px solid var(--line);background:rgba(3,17,38,.32);backdrop-filter:blur(20px)}
.aurora-nav{min-height:76px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:30px}
.aurora-brand{display:inline-flex;align-items:center;gap:10px;width:max-content;font-size:20px;font-weight:900;letter-spacing:-.03em}
.aurora-brand img{display:block;width:32px;height:32px;object-fit:contain}
.aurora-nav-links{display:flex;align-items:center;gap:28px;color:#bad0de;font-size:13px;font-weight:700;white-space:nowrap}
.aurora-nav-links a{position:relative;padding-block:27px}
.aurora-nav-links a::after{content:"";position:absolute;left:50%;bottom:15px;width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);opacity:0;transform:translateX(-50%)}
.aurora-nav-links a:hover::after,.aurora-nav-links a[aria-current="page"]::after{opacity:1}
.aurora-nav-cta,.aurora-button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;min-width:185px;min-height:52px;padding:0 20px;border:1px solid rgba(255,255,255,.54);border-radius:999px;background:rgba(6,28,57,.54);box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 13px 35px rgba(3,12,40,.22);color:#fff;font-weight:900;white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb;backdrop-filter:blur(14px);transition:transform .22s ease,background .22s ease}
.aurora-nav-cta{justify-self:end;min-width:118px;min-height:42px;padding-inline:17px;font-size:13px}
.aurora-nav-cta:hover,.aurora-button:hover{background:rgba(88,241,226,.25);transform:translateY(-2px)}
.aurora-home a:focus-visible,.aurora-home summary:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}

.aurora-hero{position:relative;min-height:100svh;overflow:hidden;background:
  radial-gradient(ellipse at 50% 20%,rgba(93,157,255,.24),transparent 42%),
  linear-gradient(180deg,#071f43 0%,#061934 54%,#031126 100%)}
.aurora-ribbon{position:absolute;z-index:1;pointer-events:none;filter:blur(12px);mix-blend-mode:screen;opacity:.72;animation:aurora-drift 14s ease-in-out infinite alternate}
.ribbon-one{width:120%;height:38%;left:-10%;top:14%;background:linear-gradient(112deg,transparent 5%,rgba(88,241,226,.55) 28%,rgba(93,157,255,.48) 53%,rgba(176,108,255,.55) 73%,transparent 96%);border-radius:42% 58% 46% 54% / 55% 32% 68% 45%;transform:rotate(-7deg)}
.ribbon-two{width:110%;height:28%;left:-4%;top:38%;background:linear-gradient(98deg,transparent 3%,rgba(93,157,255,.22) 24%,rgba(176,108,255,.54) 52%,rgba(255,127,187,.36) 78%,transparent 97%);border-radius:58% 42% 55% 45% / 42% 64% 36% 58%;transform:rotate(9deg);animation-delay:-5s}
.ribbon-three{width:95%;height:20%;left:2%;bottom:8%;background:linear-gradient(110deg,transparent,rgba(88,241,226,.28),rgba(93,157,255,.35),transparent);border-radius:50%;transform:rotate(-4deg);animation-delay:-9s}
@keyframes aurora-drift{to{transform:translate3d(4%,3%,0) rotate(2deg) scale(1.06)}}
.aurora-hero::after{content:"";position:absolute;inset:0;z-index:2;background:linear-gradient(180deg,transparent 62%,#031126 100%)}
.aurora-hero-field{position:relative;z-index:3;min-height:100svh;display:grid;grid-template-columns:.85fr 1.15fr;grid-template-rows:1fr auto;gap:20px 40px;align-items:center;padding-top:110px}
.aurora-hero-copy{position:relative;z-index:5;padding:40px 0}
.aurora-hero-copy>p,.aurora-heading>p,.aurora-device-copy>p,.aurora-faq header>p,.aurora-final>div>p{margin:0 0 22px;color:var(--cyan);font:700 10px Consolas,monospace;letter-spacing:.19em}
.aurora-hero h1{margin:0;font-size:clamp(58px,7.5vw,104px);font-weight:650;line-height:.98;letter-spacing:-.07em;text-shadow:0 12px 40px rgba(6,15,50,.3)}
.aurora-hero-copy>span{display:block;max-width:610px;margin:30px 0;color:#c4d8e5;font-size:17px}.aurora-hero-copy .aurora-button{margin-top:4px}
.aurora-globe-path{position:relative;align-self:center;min-height:650px;display:grid;place-items:center}
.aurora-globe-path::before,.aurora-globe-path::after{content:"";position:absolute;border:1px solid rgba(146,227,242,.22);border-radius:50%}
.aurora-globe-path::before{inset:4%}.aurora-globe-path::after{inset:17%;border-style:dashed}
.aurora-globe-path>i{position:absolute;border:1px solid transparent;border-top-color:var(--cyan);border-right-color:rgba(176,108,255,.6);border-radius:50%;filter:drop-shadow(0 0 8px rgba(88,241,226,.35))}
.path-a{inset:10%;transform:rotate(26deg)}.path-b{inset:23%;transform:rotate(-44deg)}.path-c{inset:34%;transform:rotate(78deg)}
.aurora-device{position:relative;z-index:3;align-self:center;width:65%;height:auto;margin:0;padding:0;overflow:visible;transform:none}
.aurora-device img{display:block;width:100%;height:auto;min-height:0;max-height:none;margin:0;padding:0;object-fit:contain;object-position:center;clip-path:none;transform:none;filter:drop-shadow(0 36px 45px rgba(1,8,28,.45))}
.aurora-globe-path>span{position:absolute;z-index:4;padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(3,22,47,.62);color:#d4e6ee;font-size:11px;backdrop-filter:blur(12px)}
.node-local{left:3%;bottom:25%}.node-route{right:8%;top:25%}.node-global{right:2%;bottom:17%}
.aurora-hero-facts{grid-column:1/3;display:grid;grid-template-columns:.65fr .65fr 1fr 1.7fr;border-top:1px solid var(--line);background:rgba(3,19,42,.35);backdrop-filter:blur(16px)}
.aurora-hero-facts p{display:flex;flex-direction:column;gap:5px;margin:0;padding:18px 22px;border-right:1px solid var(--line)}.aurora-hero-facts p:last-child{border-right:0}.aurora-hero-facts small{color:#82a8bc;font-size:10px}.aurora-hero-facts strong{font-size:15px}

.aurora-flow,.aurora-notes{padding-block:clamp(110px,13vw,180px)}
.aurora-heading{display:grid;grid-template-columns:.4fr 1fr;gap:40px;align-items:start;margin-bottom:clamp(62px,9vw,105px)}
.aurora-heading h2,.aurora-device-copy h2,.aurora-faq h2,.aurora-final h2{margin:0;font-size:clamp(42px,5.6vw,76px);font-weight:600;line-height:1.07;letter-spacing:-.055em}
.aurora-current{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:0;padding:45px 0}
.aurora-current::before{content:"";position:absolute;left:-10%;right:-10%;top:45%;height:130px;background:linear-gradient(90deg,rgba(88,241,226,.1),rgba(93,157,255,.19),rgba(176,108,255,.18),rgba(255,127,187,.09));border-radius:50%;filter:blur(25px);transform:rotate(-3deg)}
.aurora-current article{position:relative;z-index:2;min-height:310px;padding:30px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.aurora-current article:nth-child(2){margin-top:65px}.aurora-current article:nth-child(3){margin-top:125px}
.aurora-current article::before{content:"";position:absolute;left:27px;top:-7px;width:13px;height:13px;border-radius:50%;background:var(--cyan);box-shadow:0 0 18px var(--cyan)}.aurora-current article:nth-child(2)::before{background:var(--blue);box-shadow:0 0 18px var(--blue)}.aurora-current article:nth-child(3)::before{background:var(--violet);box-shadow:0 0 18px var(--violet)}
.aurora-current span{color:var(--cyan);font:700 10px Consolas,monospace;letter-spacing:.14em}.aurora-current h3{margin:100px 0 10px;font-size:clamp(24px,3vw,37px)}.aurora-current p{margin:0;color:var(--muted)}

.aurora-node-field{padding-block:clamp(105px,13vw,180px);background:
  radial-gradient(circle at 25% 35%,rgba(88,241,226,.09),transparent 28%),
  radial-gradient(circle at 80% 70%,rgba(176,108,255,.12),transparent 30%),
  #061831}
.aurora-constellation{position:relative;min-height:570px}
.aurora-path-line{position:absolute;left:8%;right:8%;top:50%;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),var(--blue),var(--violet),transparent);transform:rotate(-8deg);box-shadow:0 0 14px rgba(93,157,255,.4)}
.aurora-constellation article{position:absolute;width:220px}
.aurora-constellation article>i{display:block;width:16px;height:16px;margin-bottom:18px;border:4px solid var(--night);border-radius:50%;background:var(--cyan);box-shadow:0 0 0 1px var(--cyan),0 0 20px var(--cyan)}
.aurora-constellation article>span{color:var(--cyan);font:700 10px Consolas,monospace}.aurora-constellation h3{margin:8px 0 7px;font-size:24px}.aurora-constellation p{margin:0;color:var(--muted);font-size:13px}
.constellation-start{left:6%;top:54%}.constellation-near{left:32%;top:29%}.constellation-switch{right:28%;top:46%}.constellation-end{right:4%;top:18%}
.constellation-near>i{background:var(--blue)!important;box-shadow:0 0 0 1px var(--blue),0 0 20px var(--blue)!important}.constellation-switch>i,.constellation-end>i{background:var(--violet)!important;box-shadow:0 0 0 1px var(--violet),0 0 20px var(--violet)!important}

.aurora-device-flow{padding-block:clamp(100px,13vw,180px);background:linear-gradient(160deg,#dffeff 0%,#dceaff 45%,#eee2ff 100%);color:#10213b}
.aurora-device-field{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(50px,8vw,110px);align-items:center}
.aurora-device-field>figure{align-self:center;height:auto;margin:0;padding:0;overflow:visible;transform:none}
.aurora-device-field>figure img{display:block;width:100%;height:auto;min-height:0;max-height:none;margin:0;padding:0;object-fit:contain;object-position:center;clip-path:none;transform:none;filter:drop-shadow(0 26px 35px rgba(38,61,105,.17))}
.aurora-device-copy>p{color:#326f92}.aurora-device-copy>span{display:block;margin:25px 0;color:#52657c}.aurora-button-dark{border-color:#193454;background:#193454}
.aurora-platform-stream{grid-column:1/3;display:flex;align-items:center;justify-content:space-between;padding:20px 0;border-block:1px solid rgba(34,74,108,.25);font:700 11px Consolas,monospace}
.aurora-platform-stream i{flex:1;height:1px;margin:0 18px;background:linear-gradient(90deg,#4acbbf,#758eea)}

.aurora-note-river{max-width:900px;margin-left:auto;border-left:1px solid var(--line)}
.aurora-note-river article{display:grid;grid-template-columns:120px 1fr;gap:26px;padding:30px;border-bottom:1px solid var(--line)}
.aurora-note-river time{color:var(--cyan);font:700 10px Consolas,monospace}.aurora-note-river h3{margin:0 0 8px;font-size:clamp(22px,2.7vw,33px)}.aurora-note-river p{margin:0;color:var(--muted)}

.aurora-faq{position:relative;padding-block:clamp(100px,12vw,165px);overflow:hidden;background:#071c38}
.aurora-faq::before{content:"";position:absolute;width:120%;height:220px;left:-10%;top:34%;background:linear-gradient(90deg,transparent,rgba(88,241,226,.11),rgba(176,108,255,.15),transparent);border-radius:50%;filter:blur(28px);transform:rotate(7deg)}
.aurora-faq-field{position:relative;display:grid;grid-template-columns:.72fr 1.28fr;gap:clamp(50px,9vw,130px)}
.aurora-faq header>p{margin-bottom:20px}.aurora-faq header>a{display:inline-block;margin-top:28px;color:var(--cyan);font-weight:900}
.aurora-faq details{padding:0;border:0;border-top:1px solid var(--line);background:transparent}.aurora-faq details:last-child{border-bottom:1px solid var(--line)}.aurora-faq summary{position:relative;padding:25px 44px 25px 0;cursor:pointer;list-style:none;font-weight:900}.aurora-faq summary::after{content:"○";position:absolute;right:0;color:var(--cyan)}.aurora-faq details[open] summary::after{content:"●"}.aurora-faq details p{margin:0 0 25px;color:var(--muted)}

.aurora-final{padding-block:clamp(100px,13vw,170px);text-align:center;background:
  radial-gradient(ellipse at 50% 100%,rgba(88,241,226,.25),transparent 45%),
  radial-gradient(ellipse at 60% 60%,rgba(176,108,255,.18),transparent 40%),#031126}
.aurora-final>div{display:flex;flex-direction:column;align-items:center}.aurora-final h2{max-width:14ch}.aurora-final .aurora-button{margin-top:35px}
.aurora-footer{padding:56px 0 28px;background:#020b18}.aurora-footer-grid{display:grid;grid-template-columns:1.4fr .5fr .5fr;gap:50px}.aurora-footer p{max-width:430px;color:#738fa2}.aurora-footer nav{display:flex;flex-direction:column;gap:8px}.aurora-footer nav strong{margin-bottom:8px}.aurora-footer nav a{color:#8ca5b5}
.aurora-copyright{grid-column:1/4;max-width:none!important;margin:22px 0 0!important;padding-top:20px;border-top:1px solid var(--line);font-size:12px}

@media(max-width:920px){
  .aurora-nav{grid-template-columns:1fr auto}.aurora-nav-links{grid-column:1/3;grid-row:2;justify-content:space-between;overflow-x:auto;border-top:1px solid var(--line)}.aurora-nav-links a{padding-block:12px}.aurora-nav-cta{grid-column:2;grid-row:1}
  .aurora-hero-field{grid-template-columns:1fr;padding-top:145px}.aurora-globe-path{min-height:600px}.aurora-hero-facts{grid-column:1;grid-template-columns:1fr 1fr}
  .aurora-heading{grid-template-columns:1fr;gap:24px}.aurora-current{grid-template-columns:1fr}.aurora-current article:nth-child(n){margin-top:0;min-height:250px}.aurora-current h3{margin-top:70px}
  .aurora-constellation{min-height:auto;display:grid;grid-template-columns:1fr 1fr;gap:0}.aurora-path-line{display:none}.aurora-constellation article{position:relative;inset:auto;width:auto;padding:25px;border-top:1px solid var(--line)}
  .aurora-device-field,.aurora-faq-field{grid-template-columns:1fr}.aurora-platform-stream{grid-column:1}.aurora-footer-grid{grid-template-columns:1fr 1fr}.aurora-footer-grid>div{grid-column:1/3}.aurora-copyright{grid-column:1/3}
}
@media(max-width:640px){
  html,.aurora-home{max-width:100%;overflow-x:clip}.aurora-shell{width:min(100% - 24px,1240px)}.aurora-header{position:absolute}.aurora-nav{gap:11px;padding-top:11px}.aurora-nav-links{gap:23px;justify-content:flex-start}.aurora-nav-cta{min-width:108px;padding-inline:13px}
  .aurora-hero h1{font-size:clamp(49px,16vw,69px)}.aurora-globe-path{min-height:450px}.aurora-device{width:78%}.aurora-hero-facts{grid-template-columns:1fr 1fr}.aurora-hero-facts p{padding:15px 12px}
  .aurora-flow,.aurora-notes{padding-block:88px}.aurora-heading h2,.aurora-device-copy h2,.aurora-faq h2,.aurora-final h2{font-size:clamp(38px,12vw,53px)}.aurora-constellation{grid-template-columns:1fr}.aurora-platform-stream{display:grid;grid-template-columns:1fr;text-align:center}.aurora-platform-stream i{width:1px;height:22px;margin:7px auto}.aurora-note-river article{grid-template-columns:70px 1fr;gap:14px;padding-inline:12px}.aurora-footer-grid{grid-template-columns:1fr 1fr;gap:38px 24px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.aurora-ribbon{animation:none}.aurora-nav-cta,.aurora-button{transition:none}}