:root{--bg: #f5f7fb;--card: #ffffff;--text: #0f172a;--muted: #64748b;--border: rgba(148, 163, 184, .35);--primary: #2563eb}*{box-sizing:border-box}html,body{height:100%}body{margin:0;min-width:320px;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";color:var(--text);background:var(--bg)}a{color:inherit;text-decoration:none}code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace}input,textarea,select{width:100%;border:1px solid rgba(148,163,184,.45);border-radius:12px;padding:10px 12px;font-size:14px;outline:none;background:#fff}input:focus,textarea:focus,select:focus{border-color:#2563eba6;box-shadow:0 0 0 4px #2563eb24}button{border:0;border-radius:12px;padding:10px 14px;font-size:14px;font-weight:800;cursor:pointer}.btn{background:#0f172a;color:#fff}.btn.primary{background:var(--primary);color:#fff}.btn.secondary{background:#0f172a14;color:#0f172a}.small{font-size:12px;color:var(--muted)}.app-shell{min-height:100vh;display:flex}.app-content{flex:1;min-width:0}.page{padding:16px 16px 92px}@media(min-width:900px){.page{padding:24px}}.mobile-topbar{position:sticky;top:0;z-index:10;padding:14px 16px;background:#f5f7fbeb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.mobile-topbar-title{text-align:center;font-weight:1000;font-size:22px}@media(min-width:900px){.mobile-topbar{display:none}}.side-nav{display:none}@media(min-width:900px){.side-nav{display:flex;width:220px;height:100vh;position:sticky;top:0;flex-direction:column;gap:10px;padding:18px 14px;background:#fff;border-right:1px solid var(--border)}}.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 14px}.brand-badge{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,#60a5fa,#34d399)}.brand-title{font-weight:1000}.nav-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:14px;color:var(--muted);font-weight:900}.nav-link.active{background:#2563eb1f;color:#1d4ed8}.bottom-nav{position:fixed;left:0;right:0;bottom:0;height:68px;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border);display:flex;z-index:20}.bottom-nav a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;font-size:12px;font-weight:900;color:var(--muted)}.bottom-nav a.active{color:#2563eb}.bottom-nav .icon{width:22px;height:22px;border-radius:8px;background:#0f172a0f}.bottom-nav a.active .icon{background:#2563eb29}@media(min-width:900px){.bottom-nav{display:none}}.section{max-width:980px;margin:0 auto}.modal-backdrop{position:fixed;inset:0;background:#0f172a73;display:grid;place-items:center;padding:18px;z-index:50}.modal{width:100%;max-width:520px}.card{background:var(--card);border-radius:18px;border:1px solid rgba(148,163,184,.25);box-shadow:0 10px 26px #0f172a0f}.gap-16{height:16px}.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1;min-width:240px}.pre{white-space:pre-wrap;word-break:break-word;background:#0f172a0a;border:1px solid rgba(148,163,184,.25);border-radius:12px;padding:10px 12px;font-size:12px}.profile-card{overflow:hidden;background:linear-gradient(90deg,#fffffff2,#d2fff78c)}.profile-top{display:flex;align-items:center;gap:12px;padding:18px}.avatar-ring{width:58px;height:58px;border-radius:999px;padding:3px;background:conic-gradient(from 120deg,#60a5fa,#34d399,#a78bfa,#60a5fa)}.avatar-inner{width:100%;height:100%;border-radius:999px;background:#fff;display:grid;place-items:center;color:#1d4ed8;font-weight:1000}.login-title{font-weight:1000;font-size:18px}.points{margin-left:auto;display:flex;align-items:center;gap:8px;font-weight:1000;color:#0f172abf}.coin{width:20px;height:20px;border-radius:999px;background:radial-gradient(circle at 30% 30%,#fde68a,#f59e0b);box-shadow:inset 0 1px #ffffffa6}.profile-stats{border-top:1px solid rgba(148,163,184,.35);display:flex;padding:14px 0}.profile-stats .item{flex:1;text-align:center}.profile-stats .num{font-size:18px;font-weight:1000}.profile-stats .label{margin-top:4px;font-size:12px;color:var(--muted)}.vip-banner{border-radius:18px;overflow:hidden;padding:18px;display:flex;align-items:center;gap:14px;background:linear-gradient(90deg,#22d3ee,#0f172a 60%,#111827);color:#fff;box-shadow:0 12px 32px #0f172a2e}.vip-badge{width:56px;height:56px;border-radius:16px;background:#ffffff24;display:grid;place-items:center;font-size:30px}.vip-title{font-weight:1000;font-size:30px;color:#fbbf24;letter-spacing:1px;line-height:1}.vip-desc{margin-top:6px;color:#ffffffd9;font-weight:800}.vip-btn{margin-left:auto;padding:10px 16px;border-radius:999px;background:#2dd4bf;color:#062a2d}