*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--ga-bg-0);color:var(--ga-fg-0);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI Variable','Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased;min-height:100vh;position:relative;overflow-x:hidden}
a{color:inherit;text-decoration:none}
kbd{display:inline-block;padding:1px 6px;border:1px solid var(--ga-line);border-radius:4px;background:rgba(255,255,255,.6);font-family:monospace;font-size:12px;color:var(--ga-fg-0)}

.ga-aurora{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.ga-aurora-blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.55;animation:ga-float 16s ease-in-out infinite}
.ga-aurora-blob--1{top:-10%;left:-5%;width:520px;height:520px;background:radial-gradient(circle,#c4b5fd,transparent 70%)}
.ga-aurora-blob--2{top:30%;right:-10%;width:480px;height:480px;background:radial-gradient(circle,#93c5fd,transparent 70%);animation-delay:-5s}
.ga-aurora-blob--3{bottom:-10%;left:20%;width:560px;height:560px;background:radial-gradient(circle,#fbcfe8,transparent 70%);animation-delay:-10s}
@keyframes ga-float{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(40px,-30px) scale(1.08)}}

.ga-glass{background:rgba(255,255,255,.62);backdrop-filter:saturate(140%) blur(18px);-webkit-backdrop-filter:saturate(140%) blur(18px);border:1px solid rgba(255,255,255,.7);border-radius:var(--ga-radius-lg);box-shadow:0 30px 80px -20px rgba(95,60,180,.18),0 4px 14px rgba(95,60,180,.06)}

.ga-bar{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:center;gap:14px;padding:11px 18px;font-size:14px;background:linear-gradient(90deg,rgba(167,139,250,.15),rgba(96,165,250,.15),rgba(244,114,182,.15));backdrop-filter:blur(10px);border-bottom:1px solid var(--ga-line);color:var(--ga-fg-0)}
.ga-bar-text{text-align:center}
.ga-bar-close{cursor:pointer;background:transparent;border:1px solid var(--ga-line);color:var(--ga-fg-1);width:24px;height:24px;border-radius:50%;font-size:14px;line-height:1}
.ga-bar-close:hover{color:var(--ga-fg-0);border-color:var(--ga-accent-1)}

.ga-hero{position:relative;z-index:1;padding:64px 20px 48px}
.ga-hero-inner{max-width:var(--ga-content-max);margin:0 auto;padding:48px 36px;text-align:center;position:relative}
.ga-brand{display:inline-flex;align-items:center;gap:10px;padding:6px 16px;border-radius:999px;background:rgba(255,255,255,.5);border:1px solid var(--ga-line);margin-bottom:24px}
.ga-brand-mark{font-size:18px;background:var(--ga-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.ga-brand-name{font-size:14px;letter-spacing:2px;color:var(--ga-fg-1)}
.ga-hero-title{font-size:clamp(32px,5vw,52px);font-weight:800;line-height:1.16;background:var(--ga-grad);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.5px;margin-bottom:16px}
.ga-hero-sub{color:var(--ga-fg-1);max-width:620px;margin:0 auto 32px;font-size:15px}

.ga-main{display:block;margin:0 auto;padding:24px 28px;background:rgba(255,255,255,.55);border:1px solid rgba(167,139,250,.4);border-radius:20px;width:100%;max-width:var(--ga-main-max);box-shadow:0 12px 36px rgba(167,139,250,.18)}
.ga-main-label{font-size:12px;letter-spacing:4px;color:var(--ga-accent-1);text-transform:uppercase;margin-bottom:14px;font-weight:600}
.ga-main-box{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;margin-bottom:10px}
.ga-main-url{font-size:clamp(20px,3vw,28px);font-weight:700;color:var(--ga-fg-0);word-break:break-all;letter-spacing:.5px;font-family:-apple-system,'Consolas',monospace}
.ga-main-url:hover{background:var(--ga-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.ga-main-copy{cursor:pointer;border:0;background:var(--ga-grad);color:#fff;padding:11px 22px;border-radius:12px;font-weight:700;font-size:14px;letter-spacing:1px;box-shadow:0 8px 24px rgba(167,139,250,.4);transition:transform .15s;font-family:inherit}
.ga-main-copy:hover{transform:translateY(-1px)}
.ga-main-copy:active{transform:translateY(1px)}
.ga-main-tip{color:var(--ga-fg-2);font-size:13px}

.ga-content{position:relative;z-index:1;max-width:var(--ga-content-max);margin:0 auto;padding:0 20px 32px;display:flex;flex-direction:column;gap:24px}

.ga-section-title{font-size:20px;font-weight:700;color:var(--ga-fg-0);margin-bottom:8px;display:flex;align-items:center;gap:10px}
.ga-section-title::before{content:"";display:inline-block;width:6px;height:18px;border-radius:3px;background:var(--ga-grad)}
.ga-section-sub{color:var(--ga-fg-2);font-size:13px;margin-bottom:18px}

.ga-backup{padding:28px 30px}
.ga-backup-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.ga-backup-item{display:flex;align-items:center;gap:14px;padding:14px 18px;background:rgba(255,255,255,.55);border:1px solid var(--ga-line);border-radius:var(--ga-radius-md);transition:all .2s}
.ga-backup-item:hover{border-color:var(--ga-accent-1);transform:translateX(2px);box-shadow:0 6px 20px rgba(167,139,250,.18)}
.ga-backup-no-wrap{flex:0 0 auto;font-size:12px;letter-spacing:1px;padding:4px 12px;border-radius:999px;color:#fff;background:var(--ga-grad);white-space:nowrap;font-weight:600}
.ga-backup-url{flex:1 1 auto;min-width:0;font-family:'Consolas',monospace;font-size:15px;color:var(--ga-fg-0);word-break:break-all;font-weight:500}
.ga-backup-url:hover{color:var(--ga-accent-2)}
.ga-backup-copy{flex:0 0 auto;cursor:pointer;background:transparent;border:1px solid var(--ga-line);color:var(--ga-fg-1);padding:6px 12px;border-radius:8px;font-size:12px;font-family:inherit;transition:all .15s}
.ga-backup-copy:hover{border-color:var(--ga-accent-1);color:var(--ga-accent-1);background:rgba(167,139,250,.08)}

.ga-notice{padding:24px 30px}
.ga-notice-list{list-style:none;color:var(--ga-fg-1);font-size:14px}
.ga-notice-list li{padding:7px 0;padding-left:24px;position:relative}
.ga-notice-list li::before{content:"●";position:absolute;left:4px;top:7px;color:var(--ga-accent-1)}
.ga-notice-list strong{color:var(--ga-accent-3)}

.ga-contact{padding:24px 30px}
.ga-contact-grid{font-style:normal;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.ga-contact-card{background:rgba(255,255,255,.6);border:1px solid var(--ga-line);border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:4px}
.ga-contact-label{color:var(--ga-fg-2);font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:600}
.ga-contact-value{color:var(--ga-fg-0);font-family:'Consolas',monospace;font-size:15px;word-break:break-all}

.ga-footer{position:relative;z-index:1;padding:32px 20px 24px;text-align:center;color:var(--ga-fg-2);font-size:12px}
.ga-footer p{margin:4px 0}
.ga-footer-meta{opacity:.7}
.ga-footer-meta time{color:var(--ga-fg-1)}

.ga-toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(20px);background:rgba(26,17,48,.92);color:#fff;padding:11px 22px;border-radius:var(--ga-radius-md);font-size:14px;opacity:0;pointer-events:none;transition:all .25s ease;z-index:60;backdrop-filter:blur(8px);box-shadow:0 12px 30px rgba(95,60,180,.35)}
.ga-toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

@media (max-width:640px){
  .ga-hero{padding:40px 14px 32px}
  .ga-hero-inner{padding:32px 22px}
  .ga-content{padding:0 14px 24px}
  .ga-backup,.ga-notice,.ga-contact{padding:20px 22px}
  .ga-bar{font-size:13px;padding:10px 14px}
}