@import url('https://fonts.googleapis.com/css2?family=DM+Mono&family=Noto+Sans+SC:wght@400;500;600;700;800&family=Playfair+Display:ital,wght@0,600;0,700;1,600;1,700&display=swap');
article h2{font-size:1.25rem!important;line-height:1.45;letter-spacing:-.025em;margin:28px 0 8px}article h2:first-child{margin-top:0}
:root{--ink:#e9eff8;--muted:#97a8bd;--line:rgba(180,204,232,.16);--blue:#80b8ff;--aqua:#7df3d1;--night:#07111f;--panel:#0b192b}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--night);color:var(--ink);font-family:"Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.7}.skip-link{position:absolute;left:12px;top:-48px;z-index:10;padding:8px 12px;background:var(--aqua);color:#07111f;font-weight:700;text-decoration:none;border-radius:4px}.skip-link:focus{top:12px}.topbar{height:80px;max-width:1240px;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between}.brand{color:#f5f8fd;text-decoration:none;font-weight:700;letter-spacing:.02em;font-size:1.08rem}.brand span{color:var(--aqua);margin-right:7px}.topbar nav{display:flex;gap:30px}.topbar nav a{color:var(--muted);text-decoration:none;font-size:.9rem}.topbar nav a:hover{color:#fff}.nav-cta{color:#091321;background:var(--aqua);padding:9px 15px;border-radius:5px;text-decoration:none;font-weight:700;font-size:.84rem}.hero{min-height:620px;max-width:1240px;margin:auto;padding:70px 28px 90px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:30px}.eyebrow{font:12px/1.4 "DM Mono",monospace;letter-spacing:.13em;color:var(--aqua);margin:0 0 19px}.hero h1,.section h2,.closing h2{font-size:clamp(2.6rem,5vw,4.9rem);line-height:1.16;letter-spacing:-.06em;margin:0;font-weight:800}.hero h1 em,.closing h2 em{font-family:"Playfair Display",serif;font-weight:600;color:#94c7ff}.lead{font-size:1.08rem;color:var(--muted);max-width:495px;margin:25px 0 31px}.hero-actions{display:flex;align-items:center;gap:14px}.button{border-radius:5px;padding:13px 20px;font-weight:700;text-decoration:none;display:inline-flex;align-items:center;gap:18px}.primary{background:#89bfff;color:#07111f}.primary span{font-size:1.25rem}.ghost{color:var(--ink);border:1px solid var(--line)}.signal-row{display:flex;gap:20px;flex-wrap:wrap;margin-top:35px;color:var(--muted);font-size:.79rem}.signal-row i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--aqua);margin-right:6px}.hero-visual{height:410px;position:relative;display:flex;align-items:center;justify-content:center}.orbit{position:absolute;border:1px solid rgba(128,184,255,.25);border-radius:50%}.orbit-a{width:390px;height:390px}.orbit-b{width:290px;height:290px;border-style:dashed;animation:spin 25s linear infinite}.card-main{width:275px;background:linear-gradient(135deg,rgba(24,57,95,.96),rgba(8,21,38,.96));border:1px solid rgba(160,205,255,.42);box-shadow:0 25px 60px #0008;padding:25px;border-radius:9px;transform:rotate(-6deg);z-index:2}.card-head{display:flex;align-items:center;gap:10px}.card-head>span:nth-child(2){flex:1}.avatar{width:35px;height:35px;border-radius:50%;display:grid;place-items:center;background:#89bfff;color:#07111f;font-weight:800}.card-head b,.card-head small{display:block;line-height:1.3}.card-head small{font:10px "DM Mono";color:var(--muted)}.card-head strong{color:var(--aqua);font-size:.75rem}.card-line{height:7px;background:rgba(207,228,255,.16);border-radius:5px;margin-top:30px}.card-line+.card-line{margin-top:11px}.w-80{width:80%}.w-58{width:58%}.card-code{margin-top:36px;font:11px "DM Mono";letter-spacing:.1em;color:#9eb7d7}.card-code b{color:var(--aqua)}.float-chip{position:absolute;z-index:3;font-size:.78rem;border:1px solid var(--line);background:#0b1a2ddd;padding:9px 12px;backdrop-filter:blur(8px);border-radius:4px}.float-chip b{color:var(--aqua);margin-left:8px}.chip-one{top:42px;right:0}.chip-two{bottom:46px;left:8px}.marquee{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;font:12px "DM Mono";letter-spacing:.12em;color:#a6b6c8;white-space:nowrap}.marquee div{animation:slide 30s linear infinite}.section{max-width:1240px;margin:0 auto;padding:110px 28px}.section-heading{margin-bottom:48px}.section h2{font-size:clamp(2rem,4vw,3.4rem)}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}.guide-grid article{padding:30px 28px 30px 0;margin-right:28px;border-bottom:1px solid var(--line)}.guide-grid article+article{border-left:1px solid var(--line);padding-left:28px}.num{font:12px "DM Mono";color:var(--aqua)}h3{font-size:1.23rem;margin:20px 0 9px;letter-spacing:-.025em}p{margin:0}.guide-grid p,.steps p,.article-grid p,details p{color:var(--muted);font-size:.94rem}.process{background:linear-gradient(90deg,transparent,rgba(45,87,132,.11),transparent);max-width:none;padding-left:max(28px,calc((100% - 1184px)/2));padding-right:max(28px,calc((100% - 1184px)/2))}.steps{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}.steps li{display:flex;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);gap:35px}.steps>li>span{font:13px "DM Mono";color:var(--aqua);width:55px}.steps h3{margin:0 0 3px}.text-link{display:inline-block;margin-top:34px;color:var(--aqua);text-decoration:none;font-weight:700}.text-link span{font-size:1.3rem;margin-left:8px}.articles{padding-top:115px}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.article-grid a{background:var(--panel);border:1px solid var(--line);padding:28px;text-decoration:none;color:var(--ink);min-height:260px;display:flex;flex-direction:column;transition:transform .2s,border-color .2s}.article-grid a:hover{transform:translateY(-5px);border-color:#76adf5}.article-grid span{font:12px "DM Mono";color:var(--aqua)}.article-grid h3{line-height:1.45;margin-top:17px}.article-grid b{color:#96c7ff;font-size:.88rem;margin-top:auto;padding-top:20px}.faq{padding-top:20px;max-width:900px}.faq details{border-top:1px solid var(--line);padding:19px 0}.faq details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;font-weight:600;display:flex;justify-content:space-between;gap:25px}summary::-webkit-details-marker{display:none}summary span{color:var(--aqua)}details p{padding:16px 45px 0 0}.closing{text-align:center;padding:105px 25px;background:radial-gradient(circle at center,rgba(59,112,178,.28),transparent 56%)}.closing h2{font-size:clamp(2.4rem,5vw,4.3rem);margin-bottom:30px}footer{max-width:1240px;margin:auto;padding:28px;display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);color:var(--muted);font-size:.78rem}footer p{max-width:420px;text-align:center}footer nav{display:flex;gap:14px;flex-wrap:wrap}footer nav a{color:var(--muted);text-decoration:none}a:focus-visible,summary:focus-visible{outline:3px solid var(--aqua);outline-offset:4px;border-radius:3px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes slide{to{transform:translateX(-50%)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.orbit-b,.marquee div{animation:none}.article-grid a{transition:none}}@media(max-width:760px){.topbar{height:66px;padding:0 18px}.topbar nav{display:none}.nav-cta{font-size:.76rem;padding:8px 10px}.hero{grid-template-columns:1fr;padding:55px 22px 55px}.hero-visual{height:310px;order:-1}.orbit-a{width:290px;height:290px}.orbit-b{width:220px;height:220px}.card-main{transform:rotate(-4deg) scale(.88)}.chip-one{right:0;top:20px}.chip-two{left:0;bottom:15px}.section{padding:74px 22px}.guide-grid,.article-grid{grid-template-columns:1fr}.guide-grid article,.guide-grid article+article{padding:24px 0;margin:0;border-left:0}.article-grid{gap:12px}.article-grid a{min-height:205px}.process{padding-left:22px;padding-right:22px}.steps li{gap:15px}.closing{padding:78px 22px}footer{padding:23px 22px;display:block}footer p{text-align:left;margin:13px 0}footer nav{margin:13px 0}.hero h1{font-size:3rem}}