:root{--bg0:#04121e;--bg1:#082a44;--bg2:#0b3c5c;--sea:#12b5c9;--sead:#0a7f92;--foam:#eafbff;--salt:#ffc861;--ink:#e2f3fb;--dim:#93b6cb;--line:rgba(160,220,240,.16);--glass:rgba(255,255,255,.055);--r:20px;--rl:26px;--scallop:rgba(148,214,236,.14)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;color:var(--ink);font:16.5px/1.72 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden;background:radial-gradient(1100px 620px at 50% -8%,#1d6d8e 0%,#0d4262 38%,#062033 68%,var(--bg0) 100%) no-repeat fixed,var(--bg0)}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;background:radial-gradient(680px 320px at 18% 6%,rgba(255,255,255,.10),transparent 70%),radial-gradient(520px 260px at 82% 14%,rgba(18,181,201,.16),transparent 72%)}
a{color:#63dcf0;text-decoration:none;text-underline-offset:3px}a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.18;color:#fff;letter-spacing:-.022em;font-weight:800}
h1{font-size:clamp(34px,6.4vw,60px);margin:10px 0 12px}
h1 .alt{color:var(--salt)}
h1 .rule{display:block;width:132px;height:6px;margin:18px 0 0;border-radius:3px;background:repeating-linear-gradient(90deg,var(--salt) 0 16px,transparent 16px 28px)}
h2{font-size:clamp(21px,2.9vw,29px);margin:44px 0 12px}
h2::before{content:"";display:block;width:38px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--sea),var(--salt));margin-bottom:12px}
h3{font-size:clamp(17px,2.1vw,20px);margin:26px 0 8px;color:#f2fdff}
p{margin:0 0 15px}
b,strong{color:#fff}
.skip{position:absolute;left:-9999px}.skip:focus{left:10px;top:10px;z-index:99;background:var(--salt);color:#04121e;padding:9px 14px;border-radius:999px}
.bar{position:sticky;top:0;z-index:30;background:rgba(5,20,33,.72);border-bottom:1px solid var(--line);backdrop-filter:blur(14px) saturate(140%)}
.bar-in{max-width:1120px;margin:0 auto;padding:11px 18px;display:flex;align-items:center;gap:14px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;letter-spacing:-.02em;font-size:16.5px}
.logo:hover{text-decoration:none;opacity:.9}
.logo-mark{width:22px;height:22px;border-radius:8px;background:linear-gradient(160deg,var(--sead),var(--foam));box-shadow:0 0 0 1px rgba(255,255,255,.3) inset,0 4px 14px -4px rgba(18,181,201,.8);display:inline-block;flex:none}
.nav{margin-left:auto;display:flex;gap:6px;font-size:14.5px;font-weight:600;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{color:var(--dim);padding:7px 11px;border-radius:999px;white-space:nowrap}
.nav a:hover{color:#fff;background:rgba(255,255,255,.07);text-decoration:none}
.wrap{position:relative;z-index:1;max-width:1060px;margin:0 auto;padding:0 18px 48px}
.hero{padding:26px 0 16px;max-width:820px}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#a9f0fa;background:rgba(18,181,201,.16);border:1px solid rgba(18,181,201,.36);padding:6px 13px;border-radius:999px}
.kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:#63f0a8;box-shadow:0 0 8px #63f0a8}
.lead{font-size:clamp(16.5px,1.9vw,19px);color:#c5e4f1;max-width:64ch;margin-top:6px}
.badges{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0 2px}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:13.2px;font-weight:700;color:#dcf4fd;background:rgba(255,255,255,.07);border:1px solid var(--line);padding:8px 15px;border-radius:999px;white-space:nowrap}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--sea);box-shadow:0 0 9px var(--sea);flex:none}
.wave{position:relative;height:30px;margin:32px 0 26px;pointer-events:none;opacity:.95}
.wave::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 15px 30px,var(--scallop) 14px,transparent 14.6px) repeat-x;background-size:30px 30px}
.wave::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent)}
.wave.flip{transform:scaleY(-1);margin:30px 0 8px}
.stage{position:relative;aspect-ratio:16/9;min-height:220px;border-radius:var(--rl);overflow:hidden;background:#02101a;box-shadow:0 30px 70px -34px rgba(0,0,0,.95),0 0 0 1px rgba(160,220,240,.20),0 0 60px -20px rgba(18,181,201,.35);isolation:isolate}
.stage iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
.cover{position:absolute;inset:0;z-index:2}
.cover img{width:100%;height:100%;object-fit:cover;display:block;transform:scale(1.02)}
.cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(2,16,26,.12) 0%,rgba(2,16,26,.45) 52%,rgba(2,16,26,.86) 100%)}
.cover-in{position:absolute;inset:auto 0 0 0;z-index:3;padding:22px 22px 24px;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}
.play-btn{appearance:none;border:0;cursor:pointer;font:inherit;font-weight:800;font-size:clamp(16px,2vw,19px);letter-spacing:-.01em;color:#03202b;padding:16px 40px;border-radius:999px;background:linear-gradient(170deg,#b9f5ff,#5ad7e8 46%,#12b5c9 100%);box-shadow:0 12px 30px -10px rgba(18,181,201,.9),inset 0 1px 0 rgba(255,255,255,.85);transition:transform .16s ease,box-shadow .16s ease}
.play-btn:hover{transform:translateY(-2px);box-shadow:0 18px 38px -12px rgba(18,181,201,1),inset 0 1px 0 rgba(255,255,255,.9)}
.play-btn:active{transform:translateY(0)}
.cover-note{margin:0;font-size:13.5px;color:#cfeaf5;opacity:.92}
.loader{position:absolute;inset:0;z-index:2;display:none;flex-direction:column;align-items:center;justify-content:center;gap:18px;background:radial-gradient(600px 300px at 50% 44%,rgba(18,181,201,.20),transparent 70%),#02101a;color:#cfeaf5;font-size:14.5px;font-weight:600}
.loader-bars{display:flex;align-items:flex-end;gap:7px;height:40px}
.loader-bars i{width:9px;border-radius:999px;background:linear-gradient(180deg,#b9f5ff,var(--sea));display:block;animation:pull 1.05s ease-in-out infinite}
.loader-bars i:nth-child(2){animation-delay:.12s}.loader-bars i:nth-child(3){animation-delay:.24s}.loader-bars i:nth-child(4){animation-delay:.36s}.loader-bars i:nth-child(5){animation-delay:.48s}
@keyframes pull{0%,100%{height:10px;opacity:.5}50%{height:38px;opacity:1}}
.tools{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:16px 0 4px}
.btn{appearance:none;font:inherit;font-size:14.5px;font-weight:700;color:#e8f8fd;background:var(--glass);border:1px solid var(--line);padding:10px 18px;border-radius:999px;cursor:pointer;transition:background .15s ease,border-color .15s ease,transform .15s ease}
.btn:hover{background:rgba(255,255,255,.12);border-color:rgba(160,220,240,.34);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn.like[aria-pressed="true"]{background:linear-gradient(170deg,rgba(255,200,97,.3),rgba(255,200,97,.16));border-color:rgba(255,200,97,.6);color:#ffe4ae}
.btn .count{font-variant-numeric:tabular-nums;opacity:.85}
.share-msg{font-size:13.5px;color:var(--salt);font-weight:600}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(148px,1fr));gap:10px;margin:22px 0 6px}
.fact{background:var(--glass);border:1px solid var(--line);border-radius:var(--r);padding:14px 15px}
.fact b{display:block;font-size:16px;color:#fff;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.fact span{display:block;font-size:12.5px;color:var(--dim);margin-top:3px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:30px 0 6px}
.step{position:relative;overflow:hidden;background:var(--glass);border:1px solid var(--line);border-radius:var(--r);padding:18px 17px}
.step-num{position:absolute;right:12px;top:4px;font-size:46px;line-height:1;font-weight:900;letter-spacing:-.05em;color:var(--foam);opacity:.16;font-variant-numeric:tabular-nums}
.step-ico{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;font-size:19px;background:rgba(18,181,201,.16);border:1px solid rgba(18,181,201,.3);margin-bottom:11px}
.step h3{margin:0 0 6px;font-size:16.5px}
.step p{margin:0;font-size:14.5px;color:var(--dim);line-height:1.6}
.disco{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:22px 0 6px}
.dcard{display:flex;gap:13px;align-items:flex-start;background:var(--glass);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.dcard i{flex:none;width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-size:19px;background:rgba(18,181,201,.16);border:1px solid rgba(18,181,201,.3)}
.dcard b{display:block;color:#fff;font-size:15.5px;margin-bottom:2px}
.dcard span{font-size:13.8px;color:var(--dim);line-height:1.55}
.prose{max-width:74ch;padding-top:14px}
.prose ul,.prose ol{padding-left:20px;margin:0 0 15px}.prose li{margin:0 0 7px}
.prose table{width:100%;border-collapse:collapse;margin:16px 0 22px;font-size:14.6px;display:block;overflow-x:auto}
.prose th,.prose td{text-align:left;padding:11px 13px;border-bottom:1px solid var(--line);white-space:nowrap}
.prose th{color:#fff;font-weight:700;background:rgba(255,255,255,.05)}
.prose td{color:#c9e5f1}
.prose code{background:rgba(255,255,255,.09);padding:2px 6px;border-radius:6px;font-size:.92em}
.prose blockquote{margin:18px 0;padding:2px 0 2px 16px;border-left:2px solid var(--sea);color:#c9e5f1}
.prose .btn{display:inline-block;margin-top:6px;text-decoration:none}
.talk{margin-top:46px;padding-top:8px}
.cform{display:grid;gap:10px;margin:6px 0 22px;max-width:640px}
.cform input,.cform textarea{font:inherit;font-size:15px;color:var(--ink);background:rgba(0,0,0,.28);border:1px solid var(--line);border-radius:14px;padding:12px 14px;width:100%}
.cform textarea{min-height:96px;resize:vertical}
.cform input:focus,.cform textarea:focus{outline:0;border-color:rgba(18,181,201,.7);box-shadow:0 0 0 3px rgba(18,181,201,.18)}
.cmsg{font-size:13.5px;color:var(--salt)}
.clist{display:grid;gap:10px}
.c-item{background:var(--glass);border:1px solid var(--line);border-radius:16px;padding:14px 16px}
.c-name{font-weight:700;color:#fff}.c-time{font-size:12.5px;color:var(--dim);margin-left:8px}
.c-text{margin:6px 0 0;font-size:15px;color:#d5ecf6;white-space:pre-wrap}
.c-actions{display:flex;gap:12px;align-items:center;margin-top:8px;font-size:13px;color:var(--dim)}
.c-actions button{font:inherit;font-size:13px;color:#63dcf0;background:0;border:0;cursor:pointer;padding:0}
.c-to{color:var(--dim)}.clist .clist{margin-top:10px}
.foot{margin-top:56px;border-top:1px solid var(--line);background:rgba(3,14,22,.55)}
.foot-in{max-width:1060px;margin:0 auto;padding:28px 18px 34px}
.foot-brand{margin:0 0 14px;font-size:13.8px;color:var(--dim);max-width:76ch}
.foot-links{list-style:none;display:flex;flex-wrap:wrap;gap:8px 18px;margin:0 0 14px;padding:0;font-size:13.8px;font-weight:600}
.foot-links a{color:#cfe9f4}
.foot-copy{margin:0;font-size:12.6px;color:#7496aa}
@media(max-width:820px){.nav{font-size:13.5px;gap:2px}.nav a{padding:6px 9px}.steps{grid-template-columns:1fr}.disco{grid-template-columns:1fr}.stage{aspect-ratio:4/3;border-radius:20px}.cover-in{padding:16px 14px 18px}.play-btn{padding:15px 30px;width:100%;max-width:340px}.hero{padding:20px 0 16px}.wrap{padding:0 14px 40px}.prose table{font-size:13.6px}.facts{grid-template-columns:repeat(2,1fr)}.wave{height:24px;margin:26px 0 20px}.wave::before{background:radial-gradient(circle at 12px 24px,var(--scallop) 11px,transparent 11.6px) repeat-x;background-size:24px 24px}.step-num{font-size:40px;right:10px}.badge{font-size:12.6px;padding:7px 13px}h1 .rule{width:104px;margin-top:14px}}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}html{scroll-behavior:auto}}