*{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#08090a;--surface:#101113;--surface-2:#16181c;--border:#23262d;--border-hover:#33373f;--text:#f7f8f8;--text-2:#8a8f98;--text-3:#5c6169;--accent:#5e6ad2;--accent-hover:#6e7ae2;--accent-soft:rgba(94,106,210,.12);--success:#4cb782;--success-soft:rgba(76,183,130,.12);--warning:#d4a04c;--warning-soft:rgba(212,160,76,.12);--danger:#e5484d;--danger-soft:rgba(229,72,77,.12);--radius:10px;--radius-sm:6px;--glow:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(94,106,210,.15),transparent)}
html[data-theme="light"]{--bg:#fafafa;--surface:#ffffff;--surface-2:#f4f4f5;--border:#e4e4e7;--border-hover:#d4d4d8;--text:#18181b;--text-2:#71717a;--text-3:#a1a1aa;--accent:#5e6ad2;--accent-hover:#4f5bc4;--accent-soft:rgba(94,106,210,.1);--success:#16a34a;--success-soft:rgba(22,163,74,.1);--warning:#ca8a04;--warning-soft:rgba(202,138,4,.1);--danger:#dc2626;--danger-soft:rgba(220,38,38,.1);--glow:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(94,106,210,.08),transparent)}
body{font-family:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);padding:32px 20px;display:flex;justify-content:center;min-height:100vh;background-image:var(--glow);transition:background-color .3s,color .3s}
.app{width:100%;max-width:640px}
.header{margin-bottom:28px;position:relative}
.logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.logo-icon{width:36px;height:36px;border-radius:10px;background:#0f1116;display:flex;align-items:center;justify-content:center;box-shadow:0 0 20px rgba(78,168,222,.25);flex-shrink:0}
.logo-icon svg{width:26px;height:26px;display:block}
.logo-text{font-size:15px;font-weight:600;letter-spacing:-.01em}
h1{font-size:28px;font-weight:600;letter-spacing:-.02em;margin-bottom:8px;line-height:1.2}
.subtitle{font-size:14px;color:var(--text-2);line-height:1.5}
.theme-toggle{position:absolute;top:0;right:0;width:34px;height:34px;border-radius:8px;background:var(--surface);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-2);transition:all .15s}
.theme-toggle:hover{border-color:var(--border-hover);color:var(--text)}
.theme-toggle svg{width:16px;height:16px}
.theme-toggle .icon-sun{display:none}
html[data-theme="light"] .theme-toggle .icon-moon{display:none}
html[data-theme="light"] .theme-toggle .icon-sun{display:block}
.progress{display:flex;align-items:center;gap:8px;margin-bottom:24px;padding:0 4px}
.progress-step{display:flex;align-items:center;gap:8px;flex:1}
.progress-dot{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;background:var(--surface-2);color:var(--text-3);border:1px solid var(--border);transition:all .3s;flex-shrink:0}
.progress-dot.active{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.progress-dot.done{background:var(--success);color:#fff;border-color:var(--success)}
.progress-dot.done svg{width:12px;height:12px}
.progress-line{flex:1;height:1px;background:var(--border);margin:0 4px;transition:background .3s}
.progress-line.done{background:var(--success)}
.progress-label{font-size:11px;color:var(--text-3);font-weight:500;white-space:nowrap}
.progress-label.active{color:var(--text)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px;transition:border-color .2s,background-color .3s}
.card:hover{border-color:var(--border-hover)}
.card-header{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px}
.card-icon{width:32px;height:32px;border-radius:8px;background:var(--surface-2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.card-icon svg{width:16px;height:16px;stroke:var(--text-2)}
.card-title{font-size:14px;font-weight:600;letter-spacing:-.01em;margin-bottom:2px}
.card-desc{font-size:12px;color:var(--text-2);line-height:1.4}
.field{margin-bottom:14px}
.field:last-child{margin-bottom:0}
label{display:block;font-size:12px;font-weight:500;color:var(--text-2);margin-bottom:6px}
input,select,textarea{width:100%;padding:9px 12px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:13px;font-family:inherit;outline:none;transition:border-color .15s,box-shadow .15s,background-color .3s}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
input::placeholder,textarea::placeholder{color:var(--text-3)}
select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238a8f98' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
textarea{font-family:"SF Mono",Monaco,Consolas,monospace;font-size:11px;line-height:1.6;resize:vertical}
.btn{width:100%;padding:10px 16px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);font-size:13px;font-weight:500;font-family:inherit;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:background .15s,opacity .15s}
.btn:hover:not(:disabled){background:var(--accent-hover)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn svg{width:14px;height:14px}
.btn-success{background:var(--success)}
.btn-success:hover:not(:disabled){background:#5ac493}
.btn-ghost{background:transparent;color:var(--text-2);border:1px solid var(--border)}
.btn-ghost:hover:not(:disabled){background:var(--surface-2);color:var(--text);border-color:var(--border-hover)}
.btn-sm{width:auto;padding:6px 10px;font-size:12px}
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 8px;border-radius:5px;font-size:11px;font-weight:500}
.badge-idle{background:var(--surface-2);color:var(--text-3)}
.badge-running{background:var(--warning-soft);color:var(--warning)}
.badge-success{background:var(--success-soft);color:var(--success)}
.badge-error{background:var(--danger-soft);color:var(--danger)}
.badge-dot{width:5px;height:5px;border-radius:50%;background:currentColor}
.badge-running .badge-dot{animation:pulse 1.5s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.log{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;font-family:"SF Mono",Monaco,Consolas,monospace;font-size:11px;line-height:1.7;color:var(--text-2);max-height:240px;overflow-y:auto;white-space:pre-wrap;word-break:break-all;margin-top:14px}
.log::-webkit-scrollbar{width:6px}
.log::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
.log-line{display:block}
.log-time{color:var(--text-3);margin-right:8px}
.log-success{color:var(--success)}
.log-error{color:var(--danger)}
.log-info{color:var(--accent)}
.log-pre{color:var(--text);background:var(--surface-2);padding:8px;border-radius:4px;margin:4px 0;display:block;font-size:10px}
.hint{display:flex;align-items:flex-start;gap:6px;font-size:11px;color:var(--text-3);margin-top:8px;line-height:1.5}
.hint svg{width:12px;height:12px;flex-shrink:0;margin-top:1px}
.hidden{display:none!important}
.dns-box{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;margin-top:12px}
.dns-row{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:12px}
.dns-row:last-child{margin-bottom:0}
.dns-label{color:var(--text-3);min-width:64px;flex-shrink:0;font-size:11px}
.dns-value{color:var(--text);font-family:"SF Mono",Monaco,Consolas,monospace;font-size:11px;word-break:break-all;flex:1}
.copy-btn{background:transparent;border:1px solid var(--border);color:var(--text-2);border-radius:4px;width:26px;height:26px;flex-shrink:0;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s}
.copy-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.copy-btn svg{width:13px;height:13px}
.copy-btn.copied{border-color:var(--success);color:var(--success);background:var(--success-soft)}
.result-header{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.result-icon{width:36px;height:36px;border-radius:50%;background:var(--success-soft);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.result-icon svg{width:18px;height:18px;stroke:var(--success)}
.result-title{font-size:15px;font-weight:600}
.result-sub{font-size:12px;color:var(--text-2);margin-top:2px}
.domain-list{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.domain-tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:5px;background:var(--accent-soft);color:var(--accent);font-size:12px;font-family:"SF Mono",Monaco,Consolas,monospace}
.domain-tag svg{width:11px;height:11px}
.result-item{border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:10px;overflow:hidden;background:var(--bg)}
.result-item:last-child{margin-bottom:0}
.result-item-head{display:flex;align-items:center;gap:8px;padding:10px 12px;background:var(--surface-2);border-bottom:1px solid var(--border)}
.result-item-title{font-size:12px;font-weight:500;flex:1}
.result-item-actions{display:flex;gap:6px}
.result-item-body{padding:12px;font-family:"SF Mono",Monaco,Consolas,monospace;font-size:10px;line-height:1.6;color:var(--text-2);max-height:140px;overflow-y:auto;white-space:pre-wrap;word-break:break-all}
.result-item-body::-webkit-scrollbar{width:6px}
.result-item-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--text);color:var(--bg);padding:10px 16px;border-radius:8px;font-size:12px;font-weight:500;opacity:0;transition:all .3s;z-index:9999;pointer-events:none;display:flex;align-items:center;gap:8px;box-shadow:0 8px 24px rgba(0,0,0,.2)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast svg{width:14px;height:14px}
.footer{text-align:center;font-size:11px;color:var(--text-3);margin-top:24px;line-height:1.6}
.counter{display:flex;justify-content:center;gap:20px;margin-top:14px;font-size:11px;color:var(--text-3)}
.counter-item{display:inline-flex;align-items:center;gap:5px}
.counter-item svg{width:12px;height:12px;opacity:.6}
.counter-num{color:var(--accent);font-weight:600;font-family:"SF Mono",Monaco,Consolas,monospace}
.retry-info{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:6px;background:var(--warning-soft);color:var(--warning);font-size:12px;margin-top:10px}
.retry-info svg{width:14px;height:14px;flex-shrink:0}
.local-check{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:6px;background:var(--accent-soft);color:var(--accent);font-size:12px;margin-top:10px}
.local-check svg{width:14px;height:14px;flex-shrink:0}
.local-check.ok{background:var(--success-soft);color:var(--success)}
.local-check.fail{background:var(--danger-soft);color:var(--danger)}
.chall-mode{display:flex;gap:8px;margin-top:8px}
.chall-mode label{display:flex;align-items:center;gap:6px;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;font-size:12px;flex:1;justify-content:center;transition:all .15s;margin:0}
.chall-mode label:hover{border-color:var(--border-hover);background:var(--surface-2)}
.chall-mode input{display:none}
.chall-mode input:checked + span{color:var(--accent);font-weight:600}
.chall-mode label.active{border-color:var(--accent);background:var(--accent-soft)}
.meta{display:flex;justify-content:center;gap:14px;margin-top:10px;font-size:11px;color:var(--text-3);flex-wrap:wrap}
.qq-group{display:inline-flex;align-items:center;gap:5px;margin-top:8px;font-size:11px;color:var(--text-3);text-decoration:none;transition:color .15s}
.qq-group:hover{color:var(--accent)}
.qq-group svg{flex-shrink:0}
.ip-warning{display:flex;align-items:flex-start;gap:6px;padding:10px 12px;border-radius:6px;background:var(--warning-soft);color:var(--warning);font-size:12px;margin-top:12px;line-height:1.5}
.ip-warning svg{width:14px;height:14px;flex-shrink:0;margin-top:1px}
.pwd-box{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:8px;background:var(--warning-soft);border:1px solid rgba(212,160,76,.3);margin-bottom:16px}
.pwd-box .pwd-label{font-size:11px;color:var(--warning);font-weight:600;white-space:nowrap}
.pwd-box .pwd-value{flex:1;font-family:"SF Mono",Monaco,Consolas,monospace;font-size:14px;color:var(--text);letter-spacing:.5px;word-break:break-all}
.pwd-box .copy-btn{width:30px;height:30px}
.zip-download-btn{background:var(--success);margin-bottom:8px}
.zip-download-btn:hover:not(:disabled){background:#5ac493}
.faq{margin-top:24px}
.faq-title{font-size:16px;font-weight:600;letter-spacing:-.01em;margin-bottom:14px;padding-left:4px}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px;overflow:hidden;background:var(--surface);transition:border-color .2s}
.faq-item:hover{border-color:var(--border-hover)}
.faq-q{display:flex;align-items:center;gap:10px;padding:14px 16px;font-size:13px;font-weight:500;cursor:pointer;user-select:none;transition:background .15s}
.faq-q:hover{background:var(--surface-2)}
.faq-q .faq-marker{width:20px;height:20px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.faq-q .faq-arrow{margin-left:auto;width:14px;height:14px;stroke:var(--text-3);transition:transform .2s}
.faq-item.open .faq-arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;font-size:12px;color:var(--text-2);line-height:1.7;padding:0 16px}
.faq-item.open .faq-a{max-height:500px;padding:0 16px 14px 46px}
.dns-auto{margin-top:14px;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;background:var(--bg);transition:border-color .2s}
.dns-auto:hover{border-color:var(--border-hover)}
.dns-auto-head{display:flex;align-items:center;gap:10px;padding:12px 14px;cursor:pointer;user-select:none;transition:background .15s}
.dns-auto-head:hover{background:var(--surface-2)}
.dns-auto-head input[type=checkbox]{width:16px;height:16px;cursor:pointer;accent-color:var(--accent);flex-shrink:0}
.dns-auto-head .dns-auto-label{flex:1;font-size:12px;font-weight:500;color:var(--text)}
.dns-auto-head .dns-auto-badge{font-size:10px;padding:2px 6px;border-radius:4px;background:var(--accent-soft);color:var(--accent);font-weight:600;flex-shrink:0}
.dns-auto-body{padding:0 14px 14px;border-top:1px solid var(--border);display:none}
.dns-auto-body.show{display:block}
.dns-auto-warn{display:flex;gap:6px;padding:10px 12px;background:var(--warning-soft);color:var(--warning);font-size:11px;border-radius:6px;margin:12px 0;line-height:1.5}
.dns-auto-warn svg{width:14px;height:14px;flex-shrink:0;margin-top:1px}
.dns-test-result{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:6px;font-size:12px;margin-top:10px;line-height:1.5}
.dns-test-result svg{width:14px;height:14px;flex-shrink:0}
.dns-test-result.ok{background:var(--success-soft);color:var(--success)}
.dns-test-result.fail{background:var(--danger-soft);color:var(--danger)}
.dns-test-result.loading{background:var(--accent-soft);color:var(--accent)}
.countdown-box{display:flex;align-items:center;gap:14px;padding:16px;border-radius:8px;background:var(--accent-soft);color:var(--accent);margin-top:14px}
.countdown-box .cd-num{font-size:28px;font-weight:700;font-family:"SF Mono",Monaco,Consolas,monospace;min-width:70px;text-align:center;line-height:1}
.countdown-box .cd-text{flex:1;font-size:12px;line-height:1.6}
.countdown-box .cd-text strong{font-weight:600;display:block;margin-bottom:2px}