:root{--ink:#0a1724;--ink-soft:#31404d;--ocean:#071b2b;--aqua:#00cfc8;--aqua-deep:#08aaa7;--coral:#ff7357;--line:rgba(10,23,36,0.14);--page:min(1240px,calc(100vw - 48px))}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:20;opacity:0.15;background-image:url(data:image/svg+xml,%3Csvg\ viewBox=\'0\ 0\ 180\ 180\'\ xmlns=\'http://www.w3.org/2000/svg\'%3E%3Cfilter\ id=\'n\'%3E%3CfeTurbulence\ type=\'fractalNoise\'\ baseFrequency=\'.85\'\ numOctaves=\'3\'\ stitchTiles=\'stitch\'/%3E%3C/filter%3E%3Crect\ width=\'100%25\'\ height=\'100%25\'\ filter=\'url\(%23n\)\'\ opacity=\'.18\'/%3E%3C/svg%3E)}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.skip-link{position:fixed;top:8px;left:8px;z-index:999;padding:10px 16px;background:var(--ink);color:white;transform:translateY(-150%)}
.skip-link:focus{transform:none}
:focus-visible{outline:3px solid var(--coral);outline-offset:4px}
.brand{display:flex;align-items:center;gap:10px;width:fit-content;font-weight:900;letter-spacing:.08em}
.brand img{width:38px;height:38px;object-fit:contain}
.eyebrow{display:flex;align-items:center;gap:11px;margin:0 0 22px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.eyebrow>span{width:34px;height:2px;background:var(--aqua-deep)}
.platform-action:not(:disabled){overflow:hidden}
.platform-action:not(:disabled)::before{content:"";position:absolute;inset:1px;border-radius:inherit;background:linear-gradient(155deg,rgba(255,255,255,.68),transparent 32%),linear-gradient(345deg,rgba(255,255,255,.25),transparent 35%);pointer-events:none}
.platform-action:not(:disabled)::after{content:"";position:absolute;top:-70%;left:-30%;width:42%;height:240%;transform:rotate(25deg);background:linear-gradient(90deg,transparent,rgba(255,255,255,.35) 48%,transparent);pointer-events:none;transition:transform .35s ease}
.platform-action:not(:disabled):hover{transform:translateY(-4px);background-color:rgba(199,235,239,.64);box-shadow:0 19px 34px rgba(11,62,74,.3),inset 0 1px rgba(255,255,255,.95),inset 0-1px rgba(34,91,103,.18)}
.platform-action:not(:disabled):hover::after{transform:translateX(260%) rotate(25deg)}
.platform-action:not(:disabled):active{transform:translateY(1px) scale(.97);background-color:rgba(140,192,201,.72);box-shadow:inset 0 3px 10px rgba(35,81,78,.24)}
@keyframes route{to{stroke-dashoffset:-170}
}
@keyframes danmaku{from{transform:translateX(180px)}
to{transform:translateX(-480px)}
}
@keyframes blob{50%{border-radius:58% 42% 42% 58%/54% 56% 44% 46%;transform:translate(-50%,-50%) rotate(3deg)}
}
.faq summary::-webkit-details-marker{display:none}
@media (max-width:1100px){:root{--page:min(940px,calc(100vw - 40px))}
}
@media (max-width:780px){:root{--page:calc(100vw - 28px)}
.brand img{width:34px;height:34px}
.brand span{font-size:15px}
.eyebrow{font-size:10px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}
*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

.legal-page{min-height:100vh}
.legal-header{position:sticky;top:0;z-index:100;width:100%;min-height:72px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:10px max(24px,calc((100vw - 1240px)/2));border-bottom:1px solid rgba(10,23,36,0.1);backdrop-filter:blur(18px) saturate(1.2)}
.legal-header>p{margin:0;color:var(--ink-soft);font:700 11px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:0.12em}
.legal-header-action{justify-self:end;display:inline-flex;align-items:center;gap:18px;min-height:42px;padding:0 15px;border:1px solid var(--line);border-radius:12px;font-size:13px;font-weight:800;background:rgba(255,255,255,0.66)}
.legal-header-action:hover{border-color:var(--aqua-deep);background:white}
.legal-hero{width:var(--page);display:grid;grid-template-columns:minmax(180px,0.38fr) minmax(0,1fr);gap:clamp(42px,8vw,126px);margin:0 auto;padding:clamp(72px,9vw,126px)0 78px;border-bottom:1px solid var(--line)}
.legal-hero-mark{min-height:354px;display:flex;flex-direction:column;justify-content:space-between;padding:24px 20px;border:1px solid rgba(8,170,167,0.42);border-radius:2px 38px 2px 2px;color:var(--aqua-deep);overflow:hidden}
.legal-hero-mark>span{writing-mode:vertical-rl;font-weight:300;line-height:0.8}
.legal-hero-mark small{font:800 10px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:0.14em}
.legal-hero-copy{align-self:end}
.legal-hero h1{margin:0;font-size:clamp(52px,7.2vw,96px);font-weight:900;line-height:0.98;letter-spacing:-0.065em}
.legal-intro{max-width:680px;margin:28px 0 0;color:var(--ink-soft);font-size:clamp(16px,1.5vw,19px);line-height:1.85}
.legal-date{display:flex;align-items:center;gap:14px;margin-top:34px;color:#697984;font-size:13px}
.legal-date span{padding:5px 8px;border:1px solid var(--line);font:700 10px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:0.08em;text-transform:uppercase}
.legal-layout{width:var(--page);display:grid;grid-template-columns:minmax(200px,0.38fr) minmax(0,1fr);gap:clamp(48px,8vw,126px);margin:0 auto}
.legal-summary{position:sticky;top:96px;align-self:start;padding-top:60px;color:#61727e;font-size:13px;line-height:1.8}
.legal-summary>p{margin:12px 0 0}
.legal-summary>.legal-label{margin:0}
.legal-summary nav{display:flex;flex-direction:column;gap:2px;margin-top:28px;padding-left:16px;border-left:1px solid var(--line)}
.legal-summary nav a{padding:6px 0;color:#71828d;font-size:12px;transition:color 0.2s ease,transform 0.2s ease}
.legal-summary nav a:hover{color:var(--aqua-deep);transform:translateX(4px)}
.legal-content{min-width:0}
.legal-section{scroll-margin-top:94px;padding:58px 0;border-bottom:1px solid var(--line)}
.legal-label{margin:0;color:var(--aqua-deep);font:800 11px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:0.12em;text-transform:uppercase}
.legal-section h2,.legal-contact h2{margin:10px 0 22px;font-size:clamp(27px,3.2vw,40px);font-weight:900;line-height:1.2;letter-spacing:-0.035em}
.legal-section>p:not(.legal-label),.legal-section li,.legal-contact>div>p:not(.legal-label){color:var(--ink-soft);font-size:15px;line-height:1.95}
.legal-section>p:not(.legal-label){margin:0}
.legal-section>p+p{margin-top:16px}
.legal-section ul{display:grid;gap:11px;margin:18px 0 0;padding:0;list-style:none}
.legal-section li{position:relative;padding-left:21px}
.legal-section li::before{content:"";position:absolute;top:0.86em;left:0;width:6px;height:6px;background:var(--aqua-deep);box-shadow:0 0 0 5px rgba(0,207,200,0.1)}
.legal-contact{display:flex;align-items:flex-end;justify-content:space-between;gap:34px;margin:58px 0 90px;padding:34px;border:1px solid rgba(8,170,167,0.32);border-radius:2px 28px 2px 2px}
.legal-contact h2{margin-bottom:8px}
.legal-contact>div>p:not(.legal-label){margin:0}
.legal-contact>a{flex:0 0 auto;display:inline-flex;align-items:center;gap:22px;min-height:50px;padding:0 18px;border-radius:12px;color:white;background:var(--ink);font-size:13px;font-weight:800;transition:transform 0.2s ease,box-shadow 0.2s ease}
.legal-contact>a:hover{transform:translateY(-2px);box-shadow:0 16px 28px rgba(10,23,36,0.2)}
.legal-footer{min-height:190px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:32px;padding:42px max(24px,calc((100vw - 1240px)/2));color:white;background:var(--ocean)}
.legal-footer .brand img{width:38px}
.legal-footer>div{display:flex;gap:28px;color:rgba(255,255,255,0.68);font-size:13px}
.legal-footer>div a:hover{color:var(--aqua)}
.legal-footer>p{grid-column:1/-1;margin:0;padding-top:22px;border-top:1px solid rgba(255,255,255,0.1);color:rgba(255,255,255,0.38);font-size:11px}
@media (max-width:820px){.legal-header{grid-template-columns:1fr auto;min-height:64px;padding:8px 16px}
.legal-header>p{display:none}
.legal-hero{grid-template-columns:94px minmax(0,1fr);gap:26px;padding:62px 0 54px}
.legal-hero-mark{min-height:300px;padding:16px 12px;border-radius:2px 24px 2px 2px;box-shadow:10px 10px 0 rgba(0,207,200,0.09)}
.legal-hero-mark>span{font-size:38px}
.legal-hero-mark small{writing-mode:vertical-rl}
.legal-hero h1{font-size:clamp(43px,11vw,62px)}
.legal-layout{display:block}
.legal-summary{position:static;padding:36px 0 0}
.legal-summary nav{display:none}
.legal-section{padding:44px 0}
.legal-contact{align-items:stretch;flex-direction:column;padding:26px}
.legal-contact>a{justify-content:space-between}
.legal-footer{grid-template-columns:1fr}
.legal-footer>div{flex-wrap:wrap;gap:14px 22px}
}
@media (max-width:480px){.legal-header-action{gap:9px;padding:0 11px;font-size:12px}
.legal-hero{display:block}
.legal-hero-mark{min-height:76px;flex-direction:row;align-items:center;margin-bottom:38px}
.legal-hero-mark>span,.legal-hero-mark small{writing-mode:horizontal-tb}
.legal-hero-mark>span{font-size:26px}
.legal-date{align-items:flex-start;flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){.legal-summary nav a,.legal-contact>a{transition:none}
}

.terms-page{--aqua:#d9ad54;--aqua-deep:#9d6a19}
.terms-hero .legal-hero-mark>span{letter-spacing:0.015em}
.terms-contact-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.terms-contact-links a{display:inline-flex;align-items:center;justify-content:space-between;gap:34px;min-width:180px;min-height:48px;padding:0 16px;border:1px solid rgba(157,106,25,0.3);border-radius:12px;background:rgba(255,255,255,0.56);font-size:13px;font-weight:800}
.terms-contact-links a:hover{border-color:var(--aqua-deep);background:white}
@media (max-width:620px){.terms-contact-links{display:grid}
.terms-contact-links a{width:100%}
}

.agreement-page{--aqua:#769cff;--aqua-deep:#315fc4;background:radial-gradient(circle at 88% 4%,rgba(83,126,232,0.2),transparent 28rem),linear-gradient(180deg,#f7f9ff,#edf2f5 42%,#e3eaee)}
.agreement-page .legal-header{background:rgba(247,249,255,0.9)}
.agreement-page .legal-hero-mark{border-color:rgba(49,95,196,0.34);background:linear-gradient(rgba(49,95,196,0.08) 1px,transparent 1px),linear-gradient(90deg,rgba(49,95,196,0.08) 1px,transparent 1px),rgba(250,252,255,0.7);background-size:24px 24px;box-shadow:18px 18px 0 rgba(83,126,232,0.11)}
.agreement-hero .legal-hero-mark>span{font-size:clamp(31px,4.35vw,60px)}
.agreement-consent{max-width:680px;margin:18px 0 0;padding:17px 20px;border-left:3px solid var(--aqua-deep);color:#29457c;background:rgba(83,126,232,0.09);font-size:14px;font-weight:700;line-height:1.8}
.agreement-grid-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px!important}
.agreement-grid-list li{padding:14px 16px 14px 38px;border:1px solid rgba(49,95,196,0.14);border-radius:12px;background:rgba(255,255,255,0.5)}
.agreement-grid-list li::before{top:1.55em;left:18px}
.agreement-inline-link{margin:0 3px;color:var(--aqua-deep);font-weight:800;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
.agreement-page .terms-contact-links a{border-color:rgba(49,95,196,0.26);color:#29457c}
.agreement-page .terms-contact-card{border-color:rgba(49,95,196,0.25);background:linear-gradient(135deg,rgba(83,126,232,0.15),rgba(255,255,255,0.6))}
@media (max-width:620px){.agreement-grid-list{grid-template-columns:1fr}
}

.brand img{display:block;width:180px;height:auto;aspect-ratio:1280/472;object-fit:contain}

.legal-footer .brand img{width:180px;height:auto;aspect-ratio:2172/724}

a[aria-disabled="true"]{opacity:.45;cursor:default}

.legal-header-action[aria-disabled="true"]{pointer-events:none}

.legal-header .brand{gap:10px;padding:0;background:none;border-radius:0;min-height:48px}

@media(max-width:480px){.legal-header .brand img{width:150px}}

.brand[aria-disabled="true"]{opacity:1}