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#e2e2e3;--surface: #ffffff;--surface-2: #f6f6f7;--footer-bg: #0b1220;--footer-ink: #9aa3b8;--nav-bg: rgba(255, 255, 255, .84);--nav-border: rgba(60, 60, 67, .12);--brand-shadow: 0 6px 18px rgba(52, 81, 178, .28);--brand-ring: 0 0 0 3px rgba(52, 81, 178, .14);--radius: 12px;--radius-lg: 20px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);--shadow-md: 0 8px 24px rgba(16, 24, 40, .08);--shadow-lg: 0 20px 48px rgba(16, 24, 40, .14);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif}html.dark{--brand: #a8b1ff;--brand-hover: #5c73e7;--brand-soft: #3e63dd;--brand-tint: #232741;--brand-tint-hover: #2a3150;--btn-bg: #3e63dd;--btn-bg-hover: #5c73e7;--ink: #dfdfd6;--ink-2: #98989f;--ink-3: #6a6a71;--line: #2e2e32;--surface: #1b1b1f;--surface-2: #202127;--footer-bg: #000000;--nav-bg: rgba(27, 27, 31, .84);--nav-border: rgba(223, 223, 214, .12);--brand-shadow: 0 6px 18px rgba(94, 99, 221, .35);--brand-ring: 0 0 0 3px rgba(168, 177, 255, .2);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .5);--shadow-md: 0 8px 24px rgba(0, 0, 0, .5);--shadow-lg: 0 20px 48px rgba(0, 0, 0, .6);color-scheme:dark}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font-sans);color:var(--ink);background:var(--surface);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font-family:inherit;cursor:pointer}::selection{background:var(--brand-soft);color:#fff}.container{width:100%;max-width:1152px;margin:0 auto;padding:0 24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--radius-pill);font-weight:600;font-size:14px;line-height:1;padding:12px 22px;transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .12s ease,box-shadow .18s ease;white-space:nowrap}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--btn-bg);color:#fff}.btn-primary:hover{background:var(--btn-bg-hover);box-shadow:var(--brand-shadow)}.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}.btn-soft{background:var(--brand-tint);color:var(--brand)}.btn-soft:hover{background:var(--brand-tint-hover)}.btn-block{width:100%}.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:none}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;text-align:left}.field label{font-size:13px;font-weight:600;color:var(--ink-2)}.input{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 14px;font-size:14px;font-family:inherit;color:var(--ink);background:var(--surface);transition:border-color .18s ease,box-shadow .18s ease}.input:focus{outline:none;border-color:var(--brand);box-shadow:var(--brand-ring)}.input::placeholder{color:var(--ink-3)}.modal-mask{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px;background:#0b122080;backdrop-filter:blur(4px)}.modal{width:100%;max-width:440px;background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden;animation:modal-in .22s ease}@keyframes modal-in{0%{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 0}.modal-head h3{margin:0;font-size:18px;font-weight:700}.modal-close{border:0;background:transparent;font-size:24px;line-height:1;color:var(--ink-3);padding:4px}.modal-close:hover{color:var(--ink)}.modal-body{padding:20px 24px 24px}.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--ink-2);background:var(--surface-2);border-radius:var(--radius-pill);padding:5px 12px}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%);background:var(--ink);color:#fff;font-size:14px;padding:12px 20px;border-radius:var(--radius-pill);box-shadow:var(--shadow-lg);z-index:2000;animation:toast-in .25s ease}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%)}}