.header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:0 1px 0 var(--border)}.header-inner{max-width:1100px;margin:0 auto;padding:0 24px;height:62px;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:10px;font-size:1.05rem;font-weight:700;color:var(--text)}.logo-img{height:40px;width:auto;display:block;aspect-ratio:140 / 80}.nav{display:flex;align-items:center;gap:4px}.nav-link{text-decoration:none;color:var(--muted);font-size:.875rem;font-weight:500;padding:6px 12px;border-radius:6px;transition:color .15s,background .15s;white-space:nowrap}.nav-link:hover{color:var(--text);background:var(--bg)}.nav-link.active{background:var(--accent)!important;color:#fff!important;padding:7px 18px!important;border-radius:7px!important;font-weight:600!important}@media (max-width: 600px){.header-inner{padding:0 16px;height:54px}.logo-img{height:32px}.nav-link{font-size:.78rem;padding:5px 8px}.nav-link.active{padding:5px 10px!important}}@media (max-width: 400px){.nav-link:not(.active){display:none}}.hero{background:linear-gradient(135deg,#f8faff 0%,#f1f5f9 100%);border-bottom:1px solid var(--border);padding:48px 24px 40px}.hero-split{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}.hero-left{display:flex;flex-direction:column;gap:20px}.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--accent-light);border:1px solid var(--accent-border);color:var(--accent);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;padding:5px 12px;border-radius:99px;width:fit-content}.hero-title{font-size:2.6rem;font-weight:800;color:var(--text);line-height:1.1;letter-spacing:-.03em;margin:0}.hero-title span{color:var(--accent)}.scan-form{display:flex;flex-direction:column;gap:6px}.field-label{font-size:.75rem;font-weight:600;color:var(--text2);letter-spacing:.02em;margin-bottom:2px}.host-input{width:100%;height:46px;padding:0 14px;border:1.5px solid var(--border);border-radius:8px;font-size:.925rem;color:var(--text);background:#fff;outline:none;transition:border-color .15s,box-shadow .15s;font-family:var(--mono)}.host-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #2563eb1f}.host-input::placeholder{color:var(--muted);font-family:inherit}.port-row{display:flex;gap:8px;align-items:center}.port-combo{position:relative;flex:1;display:flex;align-items:center;height:46px;border:1.5px solid var(--border);border-radius:8px;background:#fff;transition:border-color .15s,box-shadow .15s}.port-combo:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px #2563eb1f}.port-combo-input{flex:1;height:100%;padding:0 8px 0 14px;border:none;background:transparent;outline:none;font-size:.925rem;font-family:var(--mono);color:var(--text);min-width:0}.port-combo-input::placeholder{color:var(--muted)}.port-preset-label{flex:1;padding:0 8px 0 14px;font-size:.9rem;font-weight:600;color:var(--accent);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.port-combo-arrow{flex-shrink:0;width:36px;height:100%;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-left:1.5px solid var(--border);color:var(--muted);cursor:pointer;border-radius:0 6px 6px 0;transition:background .12s,color .12s}.port-combo-arrow:hover{background:var(--bg);color:var(--accent)}.port-dropdown{position:absolute;top:calc(100% + 6px);left:0;min-width:220px;background:#fff;border:1.5px solid var(--border);border-radius:10px;box-shadow:0 8px 24px #0000001a;z-index:200;overflow:hidden;padding:4px}.port-drop-item{width:100%;display:flex;flex-direction:column;gap:1px;padding:9px 12px;border:none;background:transparent;text-align:left;border-radius:7px;cursor:pointer;transition:background .12s}.port-drop-item:hover{background:var(--bg)}.port-drop-item.active{background:var(--accent-light)}.pdi-title{font-size:.875rem;font-weight:600;color:var(--text)}.port-drop-item.active .pdi-title{color:var(--accent)}.pdi-desc{font-size:.75rem;color:var(--muted)}.port-drop-divider{height:1px;background:var(--border);margin:3px 0}.scan-btn{height:46px;padding:0 22px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:.9rem;font-weight:700;cursor:pointer;white-space:nowrap;display:flex;align-items:center;gap:6px;transition:background .15s,opacity .15s}.scan-btn:hover:not(:disabled){background:#1d4ed8}.scan-btn:disabled{opacity:.55;cursor:not-allowed}.form-hint{font-size:.8rem;color:#16a34a;margin:0}.form-error{font-size:.8rem;color:#dc2626;margin:0}.port-mode{display:flex;gap:6px}.mode-btn{padding:6px 14px;border:1.5px solid var(--border);border-radius:7px;background:#fff;font-size:.8rem;font-weight:600;color:var(--muted);cursor:pointer;transition:border-color .15s,color .15s,background .15s}.mode-btn:hover{border-color:var(--accent);color:var(--accent)}.mode-btn.active{border-color:var(--accent);background:var(--accent-light);color:var(--accent)}.port-groups{display:flex;flex-wrap:wrap;gap:6px}.port-group-chip{display:flex;align-items:center;gap:5px;background:#fff;border:1px solid var(--border);border-radius:6px;padding:4px 10px;font-size:.75rem}.pg-name{font-weight:700;color:var(--accent)}.pg-ports{color:var(--muted)}.custom-ports-wrap{display:flex;flex-direction:column;gap:0}.custom-ports-wrap .host-input{height:52px;font-size:1rem;padding:0 16px}.turnstile-wrap{margin-top:4px}.turnstile-hint{font-size:.8rem;color:var(--muted);margin:4px 0 0}.turnstile-ok{color:#16a34a!important}.turnstile-warn{color:#d97706!important}.spinner{display:inline-block;width:14px;height:14px;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)}}.hero-right{display:flex;flex-direction:column;gap:24px}.hero-sub{font-size:1rem;color:var(--text2);line-height:1.7;margin:0}.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.hero-stat{background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px 10px;text-align:center;display:flex;flex-direction:column;gap:4px}.hero-stat strong{font-size:1.1rem;font-weight:800;color:var(--accent)}.hero-stat small{font-size:.7rem;color:var(--muted);font-weight:500}.hero-features{display:flex;flex-direction:column;gap:12px}.hero-feature{display:flex;align-items:flex-start;gap:12px;background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px 16px}.hf-icon{font-size:1.3rem;line-height:1;flex-shrink:0;margin-top:1px}.hero-feature div{display:flex;flex-direction:column;gap:2px}.hero-feature strong{font-size:.875rem;color:var(--text);font-weight:700}.hero-feature span{font-size:.78rem;color:var(--muted)}@media (max-width: 900px){.hero-split{grid-template-columns:1fr;gap:32px}.hero-title{font-size:2rem}.hero-stats{grid-template-columns:repeat(4,1fr)}}@media (max-width: 600px){.hero{padding:24px 16px}.hero-title{font-size:1.6rem}.hero-stats{grid-template-columns:repeat(2,1fr)}.port-row{flex-direction:column;gap:8px}.port-combo{width:100%}.scan-btn{width:100%;justify-content:center;height:48px;font-size:1rem}.port-dropdown{min-width:unset;width:100%;left:0;right:0}.hero-features{gap:8px}.hero-feature{padding:10px 12px}}@media (max-width: 400px){.hero-title{font-size:1.4rem}.hero-stats{grid-template-columns:repeat(2,1fr);gap:8px}.hero-stat{padding:10px 6px}.hero-stat strong{font-size:.95rem}}.scan-summary{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px 24px;margin-bottom:24px;box-shadow:0 1px 3px #0000000f}.summary-top{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}.summary-host{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.summary-label{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.summary-value{font-size:1rem;font-weight:700;color:var(--text);font-family:var(--mono)}.summary-ip{font-size:.8rem;color:var(--muted);font-family:var(--mono)}.summary-stats{display:flex;gap:20px}.stat{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:48px}.stat strong{font-size:1.4rem;font-weight:800;line-height:1}.stat span{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.stat.open strong{color:#16a34a}.stat.closed strong{color:#dc2626}.stat.filtered strong{color:#d97706}.stat.total strong{color:var(--accent)}.progress-bar-wrap{margin-top:16px;background:var(--bg);border-radius:99px;height:6px;overflow:visible;position:relative}.progress-bar{height:100%;background:var(--accent);border-radius:99px;transition:width .3s ease;min-width:4px}.progress-label{position:absolute;right:0;top:-20px;font-size:.72rem;color:var(--muted);font-weight:600}.summary-done{margin-top:14px;font-size:.825rem;color:#16a34a;font-weight:600}@media (max-width: 600px){.summary-top{flex-direction:column;align-items:flex-start}.summary-stats{flex-wrap:wrap;gap:14px}}.port-grid-wrap{margin-top:8px}.port-section-label{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}.open-label{color:#16a34a}.port-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}.port-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px 12px 12px;display:flex;flex-direction:column;gap:4px;transition:box-shadow .15s,transform .15s}.port-card:hover{box-shadow:0 4px 12px #00000014;transform:translateY(-1px)}.port-num{font-size:1.2rem;font-weight:800;color:var(--text);font-family:var(--mono);line-height:1}.port-service{font-size:.75rem;color:var(--muted);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.port-status{margin-top:6px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:2px 7px;border-radius:99px;width:fit-content}.status-open{border-color:#bbf7d0;background:#f0fdf4}.status-closed{border-color:#fecaca;background:#fef2f2}.status-filtered,.status-timeout{border-color:#fde68a;background:#fffbeb}.status-badge-open{background:#dcfce7;color:#15803d}.status-badge-closed{background:#fee2e2;color:#b91c1c}.status-badge-filtered,.status-badge-timeout{background:#fef3c7;color:#92400e}.port-card-loading{display:flex;align-items:center;justify-content:center;min-height:80px;background:var(--bg);border-style:dashed}.port-grid-placeholder{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:.9rem;padding:32px 0}@media (max-width: 600px){.port-grid{grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px}.port-num{font-size:1rem}}@media (max-width: 360px){.port-grid{grid-template-columns:repeat(3,1fr);gap:6px}.port-card{padding:10px 8px}}.app{display:flex;flex-direction:column;min-height:100vh}.main{flex:1;max-width:1100px;margin:0 auto;padding:32px 24px 96px;width:100%}.how-section{padding:56px 0}.how-inner{max-width:900px;margin:0 auto}.section-label{text-align:center;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}.section-title{text-align:center;font-size:1.75rem;font-weight:700;color:var(--text);letter-spacing:-.025em;margin-bottom:48px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.step{text-align:center}.step-num{width:52px;height:52px;background:var(--accent-light);border:2px solid var(--accent-border);color:var(--accent);font-size:1.15rem;font-weight:800;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 18px}.step h3{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:8px}.step p{font-size:.875rem;color:var(--text2);line-height:1.65}.step code{font-family:var(--mono);font-size:.78rem;background:var(--accent-light);border:1px solid var(--accent-border);border-radius:4px;padding:1px 5px;color:var(--accent)}.content-section{background:#fff;border-top:1px solid var(--border);padding:64px 24px}.content-inner{max-width:900px;margin:0 auto}.content-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px;margin-top:40px}.content-block h3{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:10px}.content-block p{font-size:.875rem;color:var(--text2);line-height:1.75}.content-block strong{color:var(--text)}.faq-section{background:var(--bg);padding:56px 0 0;border-top:1px solid var(--border)}.faq-inner{max-width:760px;margin:0 auto;padding:0 24px 56px}.faq-list{display:flex;flex-direction:column;gap:4px}.faq-item{border:1px solid var(--border);border-radius:10px;overflow:hidden;background:#fff}.faq-q{cursor:pointer;padding:18px 20px;font-size:.95rem;font-weight:600;color:var(--text);list-style:none;display:flex;justify-content:space-between;align-items:center;-webkit-user-select:none;user-select:none}.faq-q:after{content:"+";font-size:1.2rem;color:var(--accent);font-weight:400}details[open] .faq-q:after{content:"−"}.faq-a{padding:0 20px 18px;font-size:.875rem;color:var(--muted);line-height:1.7;margin:0}.footer{background:#0f172a;color:#94a3b8;padding:28px 24px;text-align:center;font-size:.8rem;border-top:1px solid #1e293b}.footer strong{color:#cbd5e1}.footer-links{margin-top:8px}.footer-links a{color:#94a3b8;text-decoration:none}.footer-links a:hover{color:#e2e8f0}@media (max-width: 768px){.steps{grid-template-columns:1fr;gap:28px}.main{padding:24px 16px 56px}.section-title{font-size:1.4rem;margin-bottom:32px}.faq-inner{padding:0 16px 40px}.how-section{padding:40px 16px}.how-inner{padding:0}.content-grid{grid-template-columns:1fr;gap:24px}.content-section{padding:40px 16px}}@media (max-width: 480px){.footer{padding:20px 16px}.faq-q{font-size:.875rem;padding:14px}.faq-a{padding:0 14px 14px}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f1f5f9;--surface: #ffffff;--surface2: #f8fafc;--border: #e2e8f0;--border-strong: #cbd5e1;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-light: #eff6ff;--accent-border: #bfdbfe;--success: #16a34a;--success-light: #f0fdf4;--success-border: #bbf7d0;--warning: #b45309;--warning-light: #fffbeb;--warning-border: #fde68a;--error: #dc2626;--error-light: #fef2f2;--error-border: #fecaca;--muted: #64748b;--text: #0f172a;--text2: #334155;--radius: 12px;--shadow: 0 1px 3px rgba(0,0,0,.07), 0 8px 24px rgba(0,0,0,.07);--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--font: "Inter", system-ui, sans-serif;--mono: "JetBrains Mono", "Fira Code", "Courier New", monospace}body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}button{cursor:pointer;font-family:var(--font)}input,select{font-family:var(--font)}a{color:var(--accent);text-decoration:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--surface2)}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}
