:root{--bg: #f6f6fe;--bg-accent: #eeeefc;--card: #ffffff;--ink: #211d4e;--ink-soft: #4b4770;--muted: #6f6c8f;--primary: #4f46e5;--primary-dark: #4338ca;--primary-soft: #eef2ff;--accent: #7c3aed;--ok: #16a34a;--ok-soft: #ecfdf3;--warn: #b45309;--warn-soft: #fffbeb;--line: #e5e4f2;--radius: 18px;--shadow: 0 10px 30px rgba(43, 38, 112, .08)}*{box-sizing:border-box}body{margin:0;font-family:Nunito,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:linear-gradient(180deg,var(--bg-accent) 0%,var(--bg) 320px);color:var(--ink);line-height:1.55}a{color:var(--primary)}.shell{min-height:100vh;display:flex;flex-direction:column}.progress-track{position:sticky;top:0;height:6px;background:var(--line);z-index:10}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:0 3px 3px 0;transition:width .4s ease}.config-banner{background:#7f1d1d;color:#fff;font-size:13.5px;font-weight:700;padding:10px 20px;text-align:center}.config-banner code{background:#ffffff26;padding:1px 6px;border-radius:5px}.header{display:flex;align-items:center;justify-content:space-between;max-width:860px;width:100%;margin:0 auto;padding:20px 24px 8px}.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:900;font-size:20px}.brand-name{font-weight:800;font-size:18px}.autosave{font-size:13px;color:var(--muted)}.footer{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:860px;width:100%;margin:0 auto;padding:24px;font-size:13px;color:var(--muted)}.link-reset{background:none;border:none;color:var(--muted);font:inherit;text-decoration:underline;cursor:pointer}.link-plain{background:none;border:none;color:var(--primary);font:inherit;font-weight:700;text-decoration:underline;cursor:pointer;padding:0}.step-mobile-label{display:none;font-weight:800;font-size:14px;color:var(--ink-soft);margin:10px 2px 2px}.main{max-width:860px;width:100%;margin:0 auto;padding:8px 24px 24px;flex:1}.step-dots{display:flex;gap:4px;justify-content:space-between;margin:12px 0 18px;overflow-x:auto;padding-bottom:4px}.dot{display:flex;flex-direction:column;align-items:center;gap:6px;flex:1;min-width:68px;background:none;border:none;cursor:pointer;padding:6px 2px;border-radius:10px;color:var(--muted)}.dot:disabled{cursor:default;opacity:.45}.dot-num{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#fff;border:2px solid var(--line);font-weight:800;font-size:13px}.dot-current .dot-num{border-color:var(--primary);background:var(--primary);color:#fff}.dot-done .dot-num{border-color:var(--ok);background:var(--ok-soft);color:var(--ok)}.dot-current{color:var(--ink)}.dot-label{font-size:11.5px;font-weight:700;white-space:nowrap}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:36px 40px 28px}.step-title{font-size:30px;font-weight:900;margin:0 0 10px;line-height:1.2}.lede{font-size:16.5px;color:var(--ink-soft);margin:0 0 20px}.mini-title{font-size:17px;font-weight:800;margin:26px 0 8px}.muted{color:var(--muted);font-size:14px}.need-list{list-style:none;padding:0;margin:8px 0 18px}.need-list li{padding:7px 0;font-size:15.5px}.field-grid{display:flex;flex-wrap:wrap;gap:14px 16px;margin:14px 0}.field{display:flex;flex-direction:column;gap:4px;width:100%}.field-half{width:calc(50% - 8px)}.field-label{font-weight:800;font-size:14px}.req{color:var(--accent);font-style:normal}.field-hint{font-size:12.5px;color:var(--muted)}input,textarea,select{font:inherit;color:var(--ink);border:2px solid var(--line);border-radius:12px;padding:11px 14px;background:#fff;transition:border-color .15s}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary)}textarea{resize:vertical}.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}.pill{font:inherit;font-weight:700;font-size:14px;cursor:pointer;padding:9px 16px;border-radius:999px;border:2px solid var(--line);background:#fff;color:var(--ink-soft)}.pill-on{border-color:var(--primary);background:var(--primary-soft);color:var(--primary-dark)}.check{display:flex;align-items:flex-start;gap:12px;width:100%;text-align:left;cursor:pointer;background:#fff;border:2px solid var(--line);border-radius:14px;padding:14px 16px;margin:10px 0;font:inherit;color:var(--ink);transition:border-color .15s,background .15s}.check:hover{border-color:#c9c6ee}.check-on{border-color:var(--ok);background:var(--ok-soft)}.check-box{flex:none;width:26px;height:26px;border-radius:8px;border:2px solid var(--line);display:grid;place-items:center;background:#fff;font-weight:900;color:var(--ok);margin-top:1px}.check-on .check-box{border-color:var(--ok)}.check-text strong{font-size:15px;display:block}.check-text small{color:var(--muted);font-size:13px;display:block;margin-top:3px}.callout{display:flex;gap:12px;border-radius:14px;padding:15px 17px;margin:16px 0;background:var(--primary-soft);border:1.5px solid #dfe3fd}.callout-warn{background:var(--warn-soft);border-color:#fde9c8}.callout-success{background:var(--ok-soft);border-color:#cdeed9}.callout-icon{font-size:20px;line-height:1.3}.callout-title{font-weight:800;margin-bottom:3px;font-size:15px}.callout-body{font-size:14.5px;color:var(--ink-soft)}.callout-body code{background:#4f46e514;padding:1px 6px;border-radius:6px;font-size:13px}.error-list{margin:4px 0 0;padding-left:18px}.error-list li{margin:4px 0}.copy-stack{display:flex;flex-direction:column;gap:10px;margin:12px 0}.copybox{display:flex;align-items:center;gap:14px;justify-content:space-between;background:#fbfbff;border:2px dashed #cfcdf0;border-radius:14px;padding:12px 16px;margin:10px 0}.copybox-main{display:flex;flex-direction:column;gap:2px;min-width:0}.copybox-label{font-size:12px;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.copybox-value{font-size:16px;font-weight:700;color:var(--ink);word-break:break-all}.btn{font:inherit;font-weight:800;cursor:pointer;border-radius:999px;border:2px solid transparent;padding:10px 22px;text-decoration:none;display:inline-flex;align-items:center;gap:6px;transition:transform .1s,box-shadow .15s}.btn:active{transform:scale(.98)}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px #4f46e54d}.btn-primary:hover{background:var(--primary-dark)}.btn-primary:disabled{opacity:.6;cursor:wait}.btn-lg{padding:14px 30px;font-size:16.5px}.btn-ghost{background:#fff;border-color:var(--line);color:var(--primary-dark)}.btn-ghost:hover{border-color:var(--primary)}.btn-sm{padding:5px 14px;font-size:13px}.btn-copy{background:var(--primary-soft);color:var(--primary-dark);flex:none}.btn-copied{background:var(--ok-soft);color:var(--ok)}.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0}.nav-row{display:flex;justify-content:space-between;align-items:center;margin-top:28px;padding-top:20px;border-top:1.5px solid var(--line)}.section-card{border:2px solid var(--line);border-radius:16px;padding:20px 22px;margin:18px 0}.section-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}.section-head h3{margin:0;font-size:17.5px}.section-badge{flex:none;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:12px;font-weight:900;padding:4px 11px;border-radius:999px;letter-spacing:.03em}.section-note{font-size:14px;color:var(--muted);margin:8px 0}.howto{margin:10px 0;padding-left:4px;counter-reset:howto;list-style:none}.howto li{counter-increment:howto;position:relative;padding:7px 0 7px 40px;font-size:15px}.howto li:before{content:counter(howto);position:absolute;left:0;top:6px;width:27px;height:27px;border-radius:50%;display:grid;place-items:center;background:var(--primary-soft);color:var(--primary-dark);font-weight:900;font-size:13.5px}.provider-select{width:100%;font-weight:700;margin:8px 0}.provider-guide{border:2px solid var(--line);border-radius:16px;padding:18px 22px;margin:14px 0;background:#fbfbff}.provider-guide h4{margin:0 0 6px;font-size:16px}.dns-checker{margin-top:24px}.checker-row{display:flex;gap:10px;margin:10px 0}.checker-row input{flex:1}.stuck{margin-top:22px;padding-top:8px}.review-card{border:2px solid var(--line);border-radius:16px;padding:16px 20px;margin:14px 0}.review-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.review-head h3{margin:0;font-size:16.5px}.review-row{display:flex;gap:14px;padding:6px 0;border-top:1px solid #f0eff9;font-size:14.5px}.review-label{flex:none;width:190px;font-weight:700;color:var(--muted)}.review-value{white-space:pre-wrap;word-break:break-word}.success{text-align:left}.success-emoji{font-size:54px}.timeline{margin:18px 0;padding-left:20px}.timeline li{margin:12px 0;font-size:15.5px}@media (max-width: 640px){.card{padding:24px 18px;border-radius:14px}.step-mobile-label{display:block}.step-title{font-size:24px}.field-half{width:100%}.dot-label{display:none}.dot{min-width:36px}.header{padding:14px 16px 4px}.main{padding:4px 12px 16px}.autosave{display:none}.checker-row{flex-direction:column}.review-label{width:130px}.copybox{flex-direction:column;align-items:flex-start;gap:8px}}