:root{--bg:#080914;--panel:rgba(19,21,43,.78);--text:#f5f7ff;--muted:#9298b8;--accent:#a5ff3f;--violet:#806cff;--line:rgba(255,255,255,.1);--danger:#ff667f;--shadow:0 24px 80px rgba(0,0,0,.45);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif}
body{overflow-x:hidden;background:radial-gradient(circle at 50% 10%,#24214d 0,transparent 32%),linear-gradient(150deg,#080914,#0b1020 60%,#070811);color:var(--text)}
body::before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.3;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,black,transparent 90%)}
#particleCanvas{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:0}
.topbar{height:72px;padding:0 clamp(20px,5vw,72px);display:flex;align-items:center;justify-content:space-between;position:relative;z-index:20}
.brand{color:var(--text);font-weight:900;font-size:.84rem;letter-spacing:.2em;text-decoration:none;display:flex;align-items:center;gap:10px}.brand-dot{width:12px;height:12px;border-radius:50%;border:3px solid var(--accent);box-shadow:0 0 18px var(--accent)}
.top-actions{display:flex;gap:8px}.icon-btn{width:42px;height:42px;border-radius:50%;cursor:pointer;color:#fff;background:rgba(255,255,255,.07);border:1px solid var(--line);transition:.2s}.icon-btn:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
#app{min-height:calc(100dvh - 72px);position:relative;z-index:1}.view{display:none;min-height:calc(100dvh - 72px);padding:32px 20px 60px}.view.is-active{display:flex}
.idle-view{align-items:center;flex-direction:column;text-align:center}.eyebrow{margin-top:clamp(18px,8vh,100px);color:var(--accent);letter-spacing:.26em;font-size:.72rem;font-weight:800}.idle-view h1{font-size:clamp(2.7rem,7vw,6.2rem);line-height:.98;letter-spacing:-.065em;margin:22px 0}.idle-view h1 span{background:linear-gradient(90deg,#fff,#a99cff 45%,#a5ff3f);background-clip:text;color:transparent}.hero-copy{color:var(--muted);font-size:clamp(1rem,2vw,1.2rem)}
.name-form{width:min(540px,100%);margin-top:38px}.input-shell{position:relative}.input-shell input,.key-input-row input{width:100%;border:1px solid rgba(255,255,255,.14);outline:none;background:rgba(9,10,25,.78);color:#fff;border-radius:18px;transition:.2s}.input-shell input{height:70px;padding:0 90px 0 24px;text-align:center;font-size:1.2rem}.input-shell input:focus,.key-input-row input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(165,255,63,.1)}.char-count{position:absolute;right:18px;top:50%;translate:0 -50%;font-size:.75rem;color:var(--muted)}
.form-error{min-height:23px;padding-top:7px;color:#ff8397;font-size:.86rem}.primary-btn,.secondary-btn{height:56px;border-radius:16px;padding:0 28px;font-weight:800;cursor:pointer;transition:.2s}.primary-btn{background:linear-gradient(135deg,var(--accent),#d8ff73);color:#101515;box-shadow:0 12px 34px rgba(165,255,63,.2)}.primary-btn:hover{transform:translateY(-2px);filter:brightness(1.06)}.primary-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.name-form>.primary-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:10px}.scan-dot{width:12px;height:12px;border-radius:50%;background:#0c1512;box-shadow:inset 0 0 0 3px rgba(255,255,255,.6)}
.secondary-btn{background:rgba(255,255,255,.07);color:#fff;border:1px solid var(--line)}.secondary-btn:hover{background:rgba(255,255,255,.12)}
.type-ribbon{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;max-width:720px;margin-top:38px}.type-ribbon span{font-size:1.45rem;filter:saturate(.8);opacity:.7;transition:.25s}.type-ribbon span:hover{opacity:1;transform:translateY(-5px) scale(1.2)}.privacy-link{margin-top:30px;background:none;color:#717895;text-decoration:underline;cursor:pointer;font-size:.8rem}
.modal{border:0;padding:0;background:transparent;color:#fff;max-width:none}.modal::backdrop{background:rgba(2,3,10,.78);backdrop-filter:blur(10px)}.modal-card{position:relative;width:min(470px,calc(100vw - 32px));max-height:90dvh;overflow:auto;padding:34px;border:1px solid rgba(255,255,255,.12);border-radius:26px;background:linear-gradient(155deg,rgba(32,34,66,.98),rgba(13,15,32,.98));box-shadow:var(--shadow)}.modal-card h2{text-align:center;font-size:1.65rem}.modal-icon{text-align:center;color:var(--accent);font-size:2rem;margin-bottom:8px}.modal-subtitle{text-align:center;color:var(--muted);margin:8px 0 28px}.modal-card>label:not(.checkbox-row){display:block;font-size:.83rem;color:#cdd1e3;margin-bottom:8px}.modal-close{position:absolute;right:16px;top:14px;background:none;color:#aab0c8;font-size:2rem;cursor:pointer}.key-input-row{position:relative}.key-input-row input{height:55px;padding:0 54px 0 16px}.field-action{position:absolute;right:5px;top:5px;width:44px;height:44px;background:none;color:#fff;cursor:pointer}.checkbox-row{display:flex;align-items:center;gap:10px;margin:17px 0;color:#cdd1e3;font-size:.9rem}.checkbox-row input{accent-color:var(--accent);width:17px;height:17px}.modal-card>.primary-btn{width:100%}.security-note{color:#858ca9;font-size:.76rem;line-height:1.65;margin-top:17px}.data-actions{display:flex;flex-wrap:wrap;gap:8px;padding-top:20px;margin-top:20px;border-top:1px solid var(--line)}.data-actions button{flex:1;min-width:115px;background:rgba(255,255,255,.05);color:#aeb4cc;border-radius:10px;padding:10px 8px;font-size:.73rem;cursor:pointer}.data-actions .danger{color:#ff8195}.info-card p{color:#adb3ca;line-height:1.7;margin:20px 0}.toast{position:fixed;z-index:100;left:50%;bottom:24px;translate:-50% 30px;padding:12px 20px;border-radius:12px;background:#f2f5ff;color:#121421;box-shadow:var(--shadow);font-size:.88rem;opacity:0;pointer-events:none;transition:.25s}.toast.is-visible{opacity:1;translate:-50% 0}