:root{--bg:#081426;--bg2:#0a1a33;--panel:#0e2140;--panel2:#102747;--line:rgba(120,180,220,.22);--text:#f4f8fc;--muted:#b9c9da;--muted2:#8fa6bd;--cyan:#2ee6c8;--cyan2:#39c2ff;--amber:#f0b35e;--radius:18px;--max:1120px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(8,20,38,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.02em}
.brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--cyan),var(--cyan2));color:#06202a;display:grid;place-items:center;font-size:19px;font-weight:900}
.brand small{display:block;font-weight:500;color:var(--muted2);font-size:11px;letter-spacing:.14em}
nav.links{display:flex;gap:6px;align-items:center}
nav.links a{padding:8px 14px;border-radius:999px;color:var(--muted);font-size:15px}
nav.links a:hover,nav.links a.active{color:#fff;background:rgba(46,230,200,.12)}
nav.links a.cta{background:var(--cyan);color:#052431;font-weight:700}
nav.links a.cta:hover{background:#5ff0d4}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;color:#fff;width:42px;height:42px;font-size:20px;cursor:pointer}
@media(max-width:760px){.burger{display:block}nav.links{display:none;position:absolute;top:64px;left:16px;right:16px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:10px;flex-direction:column;align-items:stretch}nav.links.open{display:flex}nav.links a{padding:12px 14px}}
/* hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(900px 420px at 85% -10%,rgba(57,194,255,.22),transparent 60%),radial-gradient(700px 380px at 8% 110%,rgba(46,230,200,.14),transparent 55%),linear-gradient(180deg,var(--bg2),var(--bg))}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center;padding:64px 0 58px}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;padding:42px 0}}
.eyebrow{color:var(--cyan);font-size:13px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;margin-bottom:16px}
.eyebrow::after{content:"";display:block;width:46px;height:2px;background:var(--cyan);margin-top:10px}
h1{font-size:clamp(32px,5vw,52px);line-height:1.22;font-weight:900;letter-spacing:-.01em}
h1 .hl{color:var(--cyan)}
.lead{color:var(--muted);font-size:17px;margin:20px 0 26px;max-width:34em}
.btnrow{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 22px;border-radius:999px;font-weight:700;font-size:15px;border:1px solid transparent}
.btn-primary{background:var(--cyan);color:#052431}
.btn-primary:hover{background:#5ff0d4}
.btn-ghost{border-color:var(--line);color:#fff;background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.hero-img{border-radius:22px;border:1px solid var(--line);overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.45)}
.hero-img figcaption{font-size:12.5px;color:var(--muted2);padding:10px 14px;background:var(--panel)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.chip{font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:5px 12px;background:rgba(255,255,255,.02)}
.chip b{color:var(--cyan);font-weight:700}
/* sections */
section.block{padding:64px 0}
section.alt{background:linear-gradient(180deg,rgba(255,255,255,.018),rgba(255,255,255,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:clamp(24px,3.4vw,34px);line-height:1.3;margin-bottom:12px}
h2 .hl{color:var(--cyan)}
.sec-lead{color:var(--muted);max-width:46em;margin-bottom:34px}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:860px){.cards,.cards3{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.card:hover{border-color:rgba(46,230,200,.45)}
.card .tag{color:var(--cyan);font-size:12px;font-weight:800;letter-spacing:.18em}
.card h3{font-size:21px;margin:10px 0 10px}
.card p,.card li{color:var(--muted);font-size:15px}
.card ul{list-style:none;margin-top:12px}
.card ul li{padding:7px 0 7px 22px;position:relative;border-top:1px dashed rgba(120,180,220,.16)}
.card ul li::before{content:"—";position:absolute;left:0;color:var(--cyan)}
.card .more{display:inline-block;margin-top:18px;color:var(--cyan);font-weight:700;font-size:15px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:960px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:540px){.steps{grid-template-columns:1fr}}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative}
.step .num{font-size:34px;font-weight:900;color:rgba(46,230,200,.28);line-height:1}
.step h3{font-size:17px;margin:12px 0 8px}
.step p{color:var(--muted);font-size:14.5px}
.list-clean{list-style:none}
.list-clean li{padding:12px 0 12px 26px;position:relative;border-bottom:1px dashed rgba(120,180,220,.16);color:var(--muted)}
.list-clean li::before{content:"✓";position:absolute;left:0;color:var(--cyan);font-weight:800}
.list-clean li.no::before{content:"✕";color:#ff8f8f}
.two{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
@media(max-width:860px){.two{grid-template-columns:1fr}}
.notice{border:1px solid rgba(240,179,94,.45);background:rgba(240,179,94,.07);border-radius:var(--radius);padding:22px 24px;color:#f3ddba;font-size:14.5px}
.notice b{color:var(--amber)}
.disclaimer{border:1px solid var(--line);background:rgba(255,255,255,.02);border-radius:var(--radius);padding:22px 24px;color:var(--muted2);font-size:13.5px}
.status{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:860px){.status{grid-template-columns:1fr}}
.status .card{padding:22px}
.pill{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;padding:4px 10px;border-radius:999px;background:rgba(46,230,200,.13);color:var(--cyan);margin-bottom:10px}
.pill.amber{background:rgba(240,179,94,.13);color:var(--amber)}
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:860px){.news{grid-template-columns:1fr}}
.news article{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.news time{color:var(--muted2);font-size:13px}
.news h3{font-size:17px;margin:8px 0}
.news p{color:var(--muted);font-size:14.5px}
/* footer */
footer.site{border-top:1px solid var(--line);padding:44px 0 34px;background:#061120;color:var(--muted2);font-size:14px}
.foot{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:28px;margin-bottom:28px}
@media(max-width:760px){.foot{grid-template-columns:1fr}}
.foot h4{color:#fff;font-size:15px;margin-bottom:12px}
.foot a{display:block;padding:3px 0;color:var(--muted2)}
.foot a:hover{color:var(--cyan)}
.foot-note{border-top:1px solid var(--line);padding-top:18px;font-size:12.5px;line-height:1.7}
.pagehead{padding:52px 0 10px}
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:860px){.contact-cards{grid-template-columns:1fr}}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;word-break:break-all}
.placeholder{color:var(--amber);font-weight:700}