:root{
  --primary:#1477ff;--white:#fff;--text-main:#0f172a;--text-sub:#6b7a90;--bg-body:#f5f8fd;--border:#dce6f2;--card-bg:#fff;
  --std-bg:#f5f8fd;
  --std-bg-2:#eef5ff;
  --std-surface:#ffffff;
  --std-surface-soft:#f8fbff;
  --std-text:#0f172a;
  --std-text-2:#26364f;
  --std-muted:#6b7a90;
  --std-line:#dce6f2;
  --std-line-strong:#c9d8ea;
  --std-blue:#1477ff;
  --std-blue-2:#4da9ff;
  --std-cyan:#24c7e9;
  --std-green:#18bd70;
  --std-purple:#6f57f5;
  --std-orange:#ff9f1a;
  --std-red:#ea4c5a;
  --std-shadow:0 24px 70px rgba(42,79,126,.11),0 6px 22px rgba(42,79,126,.07);
  --std-shadow-soft:0 12px 36px rgba(42,79,126,.075);
  --std-radius-xl:30px;
  --std-radius-lg:22px;
  --std-radius-md:16px;
  --std-radius-sm:11px;
  --std-shell:1280px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--std-bg)}
body{margin:0;background:linear-gradient(180deg,#f8fbff 0,#f4f8fd 45%,#f8fbff 100%);color:var(--std-text);font-family:Inter,"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;min-height:100vh}
body::before{content:"";position:fixed;inset:72px 0 auto;height:480px;pointer-events:none;background:radial-gradient(circle at 75% 20%,rgba(64,153,255,.10),transparent 32%),radial-gradient(circle at 20% 12%,rgba(36,199,233,.08),transparent 28%);z-index:-1}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img,svg{display:block;max-width:100%}
.std-shell{width:min(var(--std-shell),calc(100% - 40px));margin:0 auto}
.std-main{padding:42px 0 72px;min-height:calc(100vh - 220px)}
.std-section{margin-top:30px}

/* Header */
.std-header{height:72px;background:rgba(255,255,255,.92);border-bottom:1px solid rgba(205,219,236,.8);backdrop-filter:blur(18px);position:sticky;top:0;z-index:1000}
.std-nav-shell{width:min(1380px,calc(100% - 42px));height:100%;margin:0 auto;display:flex;align-items:center;gap:34px}
.std-brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto}
.std-logo-mark{width:42px;height:42px;filter:drop-shadow(0 8px 15px rgba(20,119,255,.18))}
.std-brand-word{font-size:22px;line-height:1;font-weight:900;letter-spacing:-.8px;font-style:italic;color:#131b2c;white-space:nowrap}
.std-brand-word span{color:var(--std-blue)}
.std-nav{margin-left:auto;display:flex;align-items:center;height:100%;gap:7px}
.std-nav a{height:100%;display:flex;align-items:center;padding:0 15px;color:#3c4a60;font-size:14px;font-weight:650;position:relative;white-space:nowrap;transition:.2s}
.std-nav a:hover{color:var(--std-blue)}
.std-nav a.active{color:var(--std-blue)}
.std-nav a.active::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:999px;background:linear-gradient(90deg,var(--std-blue),var(--std-cyan))}
.std-menu-toggle{display:none;margin-left:auto;width:43px;height:43px;border:1px solid var(--std-line);border-radius:12px;background:#fff;color:#233653;align-items:center;justify-content:center}
.std-menu-toggle svg{width:23px;height:23px}

/* Footer */
.std-footer{background:rgba(255,255,255,.86);border-top:1px solid var(--std-line);margin-top:42px}
.std-footer-inner{width:min(var(--std-shell),calc(100% - 40px));min-height:150px;margin:0 auto;display:grid;grid-template-columns:1.1fr 2fr auto;gap:40px;align-items:center}
.std-footer-brand .std-brand{margin-bottom:12px}.std-footer-brand .std-logo-mark{width:36px;height:36px}.std-footer-brand .std-brand-word{font-size:19px}
.std-footer-brand p{margin:0 0 6px;color:var(--std-muted);font-size:13px}.std-footer-brand small{color:#90a0b4}
.std-footer-links{display:flex;justify-content:center;gap:32px;flex-wrap:wrap}.std-footer-links a{font-size:13px;color:#5b6b80}.std-footer-links a:hover{color:var(--std-blue)}
.std-language{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--std-line);padding:11px 14px;border-radius:12px;background:#fff;color:#53647b;font-size:13px}.std-language svg{width:18px;height:18px}

/* Page title */
.std-page-hero{display:flex;align-items:center;gap:18px;margin:0 auto 26px;padding:26px 28px;background:linear-gradient(135deg,rgba(255,255,255,.94),rgba(246,250,255,.95));border:1px solid var(--std-line);border-radius:var(--std-radius-lg);box-shadow:var(--std-shadow-soft)}
.std-page-hero-icon{width:54px;height:54px;border-radius:17px;display:grid;place-items:center;color:var(--std-blue);background:linear-gradient(145deg,#eaf4ff,#f5fbff);border:1px solid #d5e7fb;flex:0 0 auto}.std-page-hero-icon svg{width:26px;height:26px}
.std-page-hero h1{margin:0;font-size:30px;letter-spacing:-1px}.std-page-hero p{margin:7px 0 0;color:var(--std-muted);font-size:14px;line-height:1.7}

/* Home */
.std-home-main{padding:48px 0 0}
.std-home-heading{text-align:center;margin:0 auto 30px;max-width:760px}
.std-home-heading h1{margin:0;font-size:44px;line-height:1.18;letter-spacing:-2.2px;font-weight:850}.std-home-heading p{margin:13px 0 0;color:var(--std-muted);font-size:16px}
.std-speed-card{background:rgba(255,255,255,.96);border:1px solid var(--std-line-strong);border-radius:var(--std-radius-xl);box-shadow:var(--std-shadow);overflow:hidden}
.std-network-bar{min-height:64px;padding:12px 22px;display:grid;grid-template-columns:1fr 1fr 1.2fr auto;align-items:center;gap:16px;border-bottom:1px solid var(--std-line);background:linear-gradient(180deg,#fff,#fbfdff)}
.std-network-item{display:flex;align-items:center;gap:10px;min-width:0;color:#53647b;font-size:13px}.std-network-item svg{width:19px;height:19px;color:#7891b3;flex:0 0 auto}.std-network-item span{color:#8a98ab}.std-network-item strong{min-width:0;color:#21314a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}.std-network-item .std-online-dot{width:7px;height:7px;border-radius:50%;background:#b7c3d4;box-shadow:0 0 0 4px rgba(183,195,212,.16)}.std-network-item .std-online-dot.online{background:var(--std-green);box-shadow:0 0 0 4px rgba(24,189,112,.12)}
.std-node-select{display:flex;align-items:center;gap:8px}.std-node-select label{font-size:12px;color:#7b8ca3}.std-node-select select{min-width:210px;height:40px;border:1px solid var(--std-line-strong);border-radius:11px;padding:0 35px 0 12px;background:#fff;color:#2b3b52;outline:none}.std-node-select select:focus{border-color:#83b9ff;box-shadow:0 0 0 4px rgba(20,119,255,.09)}
.std-speed-body{display:grid;grid-template-columns:minmax(390px,.95fr) minmax(520px,1.25fr);gap:34px;padding:34px}
.std-gauge-area{display:flex;align-items:center;justify-content:center;min-height:470px;border-right:1px solid #e6edf6;padding-right:34px}
.std-gauge{position:relative;width:min(420px,100%);aspect-ratio:1;border-radius:50%;display:grid;place-items:center}
.std-gauge::before{content:"";position:absolute;inset:7%;border-radius:50%;background:radial-gradient(circle at 50% 57%,#fff 0 55%,#f7fbff 74%,#eef6ff 100%);box-shadow:inset 0 0 0 1px #e0eaf5,0 16px 46px rgba(67,115,171,.12)}
.std-gauge-svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.std-gauge-track{fill:none;stroke:#e8f0f8;stroke-width:18;stroke-linecap:round}
.std-gauge-progress{fill:none;stroke:url(#gaugeGradient);stroke-width:18;stroke-linecap:round;transition:stroke-dashoffset .32s ease}
.std-gauge-tick{stroke:#b9c8da;stroke-width:2}.std-gauge-tick.major{stroke:#8ea5c0;stroke-width:2.5}.std-gauge-number{font-size:10px;fill:#53647b;font-weight:650;text-anchor:middle;dominant-baseline:middle}
.std-gauge-needle{transform-origin:210px 210px;transition:transform .28s ease}.std-gauge-needle line{stroke:#1e7cff;stroke-width:5;stroke-linecap:round;filter:drop-shadow(0 3px 6px rgba(20,119,255,.25))}.std-gauge-needle circle{fill:#fff;stroke:#1e7cff;stroke-width:4}
.std-gauge-center{position:relative;z-index:2;text-align:center;display:flex;flex-direction:column;align-items:center;margin-top:28px}.std-gauge-value{font-size:52px;line-height:1;font-weight:850;letter-spacing:-2.5px;color:#101827;font-variant-numeric:tabular-nums}.std-gauge-unit{font-size:15px;color:#71839b;margin-top:8px}.std-start-test{margin-top:28px;width:128px;height:128px;border-radius:50%;border:7px solid rgba(255,255,255,.92);background:linear-gradient(145deg,#3aa3ff,#0867ee 62%,#0452d0);box-shadow:0 14px 28px rgba(13,103,238,.28),0 0 0 7px rgba(20,119,255,.08);color:#fff;font-size:18px;font-weight:800;transition:.22s}.std-start-test:hover{transform:translateY(-2px) scale(1.015);box-shadow:0 18px 32px rgba(13,103,238,.34),0 0 0 8px rgba(20,119,255,.09)}.std-start-test.testing{background:linear-gradient(145deg,#ff7b82,#e64555)}
.std-speed-results{display:flex;flex-direction:column;gap:18px;min-width:0}
.std-metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.std-speed-metric{min-height:168px;padding:23px;border:1px solid var(--std-line);border-radius:18px;background:linear-gradient(145deg,#fff,#fbfdff);position:relative;overflow:hidden}.std-speed-metric::after{content:"";position:absolute;right:-28px;bottom:-38px;width:120px;height:120px;border-radius:50%;background:var(--metric-soft,rgba(20,119,255,.07))}
.std-metric-label{display:flex;align-items:center;gap:10px;color:#43536a;font-size:14px;font-weight:700}.std-metric-icon{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;color:#fff;background:var(--metric-color,var(--std-blue));box-shadow:0 8px 18px var(--metric-shadow,rgba(20,119,255,.22))}.std-metric-icon svg{width:19px;height:19px}.std-speed-metric strong{display:inline-block;margin-top:16px;font-size:40px;line-height:1;font-weight:840;letter-spacing:-1.8px;font-variant-numeric:tabular-nums}.std-speed-metric small{margin-left:6px;color:#8090a6;font-size:13px}.std-sparkline{height:36px;margin-top:17px;position:relative}.std-sparkline::before{content:"";position:absolute;inset:auto 0 0;height:28px;background:linear-gradient(180deg,transparent,var(--metric-soft,rgba(20,119,255,.08)));clip-path:polygon(0 82%,9% 74%,17% 78%,28% 46%,39% 58%,49% 34%,59% 49%,71% 18%,83% 28%,100% 8%,100% 100%,0 100%)}.std-sparkline::after{content:"";position:absolute;left:0;right:0;top:16px;height:2px;background:var(--metric-color,var(--std-blue));clip-path:polygon(0 65%,9% 52%,17% 57%,28% 20%,39% 41%,49% 11%,59% 36%,71% 0,83% 18%,100% 0,100% 100%,0 100%)}
.std-speed-metric.download{--metric-color:#1e86ff;--metric-soft:rgba(30,134,255,.10);--metric-shadow:rgba(30,134,255,.22)}
.std-speed-metric.upload{--metric-color:#21bd73;--metric-soft:rgba(33,189,115,.10);--metric-shadow:rgba(33,189,115,.21)}
.std-speed-metric.ping{--metric-color:#7359f5;--metric-soft:rgba(115,89,245,.09);--metric-shadow:rgba(115,89,245,.20)}
.std-speed-metric.jitter{--metric-color:#ff9f16;--metric-soft:rgba(255,159,22,.10);--metric-shadow:rgba(255,159,22,.20)}
.std-quality-box{padding:20px 22px;border:1px solid #dcefea;border-radius:18px;background:linear-gradient(120deg,#f0fbf7,#f8fffd);display:grid;grid-template-columns:auto 1fr;gap:15px;align-items:start}.std-quality-check{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#2dd386,#0faa60);color:#fff;box-shadow:0 9px 20px rgba(24,189,112,.22)}.std-quality-check svg{width:24px;height:24px}.std-quality-main h2{margin:0;font-size:18px}.std-quality-main h2 strong{color:var(--std-green)}.std-quality-main p{margin:6px 0 13px;color:#71839a;font-size:13px}.std-scenario-tags{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.std-scenario-tag{height:34px;border:1px solid #d9e7e2;border-radius:9px;background:rgba(255,255,255,.72);display:flex;align-items:center;justify-content:center;gap:7px;color:#4e6178;font-size:12px}.std-scenario-tag i{width:7px;height:7px;border-radius:50%;background:var(--std-green)}
.std-speed-actions{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--std-line);background:#fff}.std-speed-actions button,.std-speed-actions a{min-height:66px;border:0;background:transparent;display:flex;align-items:center;justify-content:center;gap:10px;color:#405169;font-size:13px;font-weight:700;position:relative}.std-speed-actions>*+*::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:1px;background:var(--std-line)}.std-speed-actions svg{width:21px;height:21px;color:var(--std-blue)}.std-speed-actions button:hover,.std-speed-actions a:hover{color:var(--std-blue);background:#f8fbff}

/* Text ads */
.std-ad-section{margin-top:24px;padding:16px;background:rgba(255,255,255,.88);border:1px solid var(--std-line);border-radius:20px;box-shadow:0 10px 28px rgba(46,82,127,.05)}
.std-text-ad-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
.std-text-ad{height:47px;padding:0 12px;border:1px solid #dce5ef;border-radius:10px;background:linear-gradient(180deg,#fff,#fbfdff);display:flex;align-items:center;justify-content:center;text-align:center;color:#1768dd;font-size:13px;font-weight:650;transition:.18s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.std-text-ad:hover{color:#0759c4;border-color:#9ac6ff;background:#f2f8ff;transform:translateY(-1px);box-shadow:0 7px 16px rgba(20,119,255,.08)}

/* Quick tools */
.std-quick-tools{margin-top:24px;display:grid;grid-template-columns:repeat(6,1fr);background:rgba(255,255,255,.9);border:1px solid var(--std-line);border-radius:20px;padding:14px 10px;box-shadow:0 10px 28px rgba(46,82,127,.05)}
.std-quick-tools a{min-height:84px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;color:#37485f;font-size:13px;position:relative;border-radius:13px}.std-quick-tools a+a::before{content:"";position:absolute;left:-5px;top:15px;bottom:15px;width:1px;background:#e5ecf4}.std-quick-tools a:hover{color:var(--std-blue);background:#f8fbff}.std-quick-tool-icon{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:#eaf4ff;color:#187cf5}.std-quick-tool-icon svg{width:22px;height:22px}.std-quick-tool-http{background:#ebfbf3;color:#18a962}.std-quick-tool-dns{background:#f0ebff;color:#7156ef}.std-quick-tool-ping{background:#e9f5ff;color:#1f83f5}.std-quick-tool-env{background:#fff1e8;color:#f17b25}.std-quick-tool-tools{background:#eef2f7;color:#60758f}

/* Forms and tool pages */
.std-tool-page .std-main{padding-top:34px}
.std-tool-hero{margin-bottom:24px;padding:30px 32px;background:linear-gradient(130deg,#fff,#f3f8ff);border:1px solid var(--std-line);border-radius:24px;box-shadow:var(--std-shadow-soft)}.std-tool-hero .std-eyebrow{display:none}.std-tool-hero h1{margin:0;font-size:32px;letter-spacing:-1.1px}.std-tool-hero p{margin:9px 0 0;color:var(--std-muted);font-size:14px;line-height:1.75;max-width:820px}
.std-tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:22px;align-items:start}
.std-tool-panel,.std-side-panel,.std-panel,.content-card,.map-card,.info-table-card,.quality-card,.quality-doc-card,.rank-card,.test-card{background:rgba(255,255,255,.96);border:1px solid var(--std-line);border-radius:20px;box-shadow:var(--std-shadow-soft)}
.std-tool-panel{padding:24px}.std-side-panel{padding:20px;margin-bottom:16px}.std-side-panel h2{margin:0 0 10px;font-size:16px}.std-side-panel p,.std-side-panel li{color:var(--std-muted);font-size:13px;line-height:1.75}.std-side-panel ul{padding-left:18px;margin:0}
.std-input-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px}.std-input,.std-select,.std-textarea,.form-control{width:100%;border:1px solid var(--std-line-strong);border-radius:12px;background:#fff;color:#1f3048;outline:none;transition:.16s}.std-input,.std-select,.form-control{height:48px;padding:0 14px}.std-textarea{min-height:150px;padding:13px 14px;resize:vertical}.std-input:focus,.std-select:focus,.std-textarea:focus,.form-control:focus{border-color:#7eb5ff;box-shadow:0 0 0 4px rgba(20,119,255,.09)}
.std-action,.submit-btn,.btn-run-all,.btn-std,.btn-direct,.btn-dl{height:48px;padding:0 22px;border:0;border-radius:12px;background:linear-gradient(135deg,#2088ff,#0868ee);color:#fff;font-size:14px;font-weight:750;box-shadow:0 8px 18px rgba(20,119,255,.20);transition:.18s}.std-action:hover,.submit-btn:hover,.btn-run-all:hover,.btn-std:hover,.btn-direct:hover,.btn-dl:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(20,119,255,.25)}.std-action:disabled{opacity:.6;cursor:wait;transform:none}
.std-field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:14px}.std-field label,.form-group label{display:block;margin:0 0 7px;color:#617289;font-size:12px;font-weight:700}.std-quick-row,.std-chip-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px}.std-quick-row button,.std-chip,.btn-cat{border:1px solid var(--std-line);border-radius:999px;background:#f8fbff;padding:7px 11px;color:#4d6078;font-size:12px}.std-quick-row button:hover,.std-chip:hover,.btn-cat:hover{border-color:#9cc6fb;color:var(--std-blue);background:#eef7ff}
.std-result-box{margin-top:18px;min-height:210px;border:1px solid var(--std-line);border-radius:17px;background:#fbfdff;overflow:hidden}.std-empty-state,.std-loading{min-height:210px;display:grid;place-items:center;text-align:center;color:#8291a5;font-size:13px;padding:30px}.std-loading::before{content:"";width:34px;height:34px;border:3px solid #dce9f8;border-top-color:var(--std-blue);border-radius:50%;animation:stdSpin .8s linear infinite;margin:auto auto 12px}.std-loading{display:flex;flex-direction:column;justify-content:center}.std-error{margin:0;padding:18px;color:#b42332;background:#fff2f4}.std-result-content{padding:20px}.std-result-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;padding:16px}.std-result-stat{padding:15px;border:1px solid var(--std-line);border-radius:13px;background:#fff}.std-result-stat span{display:block;color:var(--std-muted);font-size:12px}.std-result-stat strong{display:block;margin-top:8px;font-size:20px;font-variant-numeric:tabular-nums}.std-status{display:inline-flex;align-items:center;justify-content:center;min-width:54px;padding:5px 8px;border-radius:999px;background:#eafaf3;color:#087443;font-size:12px}.std-status.warn{background:#fff7e7;color:#b35b00}.std-status.bad{background:#fff0f2;color:#c52f42}.std-notice,.notice,.info-box,.highlight-box,.map-privacy-note,.usage-note{margin-top:15px;padding:13px 15px;border:1px solid #dbe8f5;border-radius:12px;background:#f5f9fe;color:#62748c;font-size:12px;line-height:1.7}
.std-data-table{width:100%;border-collapse:collapse}.std-data-table th,.std-data-table td{padding:11px 12px;border:1px solid #e4ebf3;text-align:left;font-size:12px;vertical-align:top}.std-data-table th{background:#f7faff;color:#53647b;font-weight:750}.std-code{padding:13px;border-radius:12px;background:#10213a;color:#dbe9fb;font:12px/1.7 ui-monospace,SFMono-Regular,Menlo,monospace;white-space:pre-wrap;word-break:break-all}
.std-faq{display:grid;gap:10px}.std-faq details{border:1px solid var(--std-line);border-radius:13px;background:#fff;padding:0 15px}.std-faq summary{cursor:pointer;padding:14px 0;font-weight:700;font-size:13px}.std-faq p{margin:0;padding:0 0 14px;color:var(--std-muted);font-size:12px;line-height:1.7}
@keyframes stdSpin{to{transform:rotate(360deg)}}

/* Tools directory */
.std-tools-index{display:grid;gap:18px}.std-tools-group{background:rgba(255,255,255,.95);border:1px solid var(--std-line);border-radius:22px;padding:22px;box-shadow:var(--std-shadow-soft)}.std-tools-group-head{display:grid;grid-template-columns:180px 1fr;gap:5px 20px;align-items:end;margin-bottom:16px}.std-tools-group-head>span{grid-row:1/3;color:var(--std-blue);font-size:12px;font-weight:800;letter-spacing:.8px}.std-tools-group-head h2{margin:0;font-size:20px}.std-tools-group-head p{margin:4px 0 0;color:var(--std-muted);font-size:12px}.std-tools-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.std-tools-list>a{padding:18px;border:1px solid var(--std-line);border-radius:15px;background:linear-gradient(145deg,#fff,#fbfdff);transition:.18s}.std-tools-list>a:hover{transform:translateY(-2px);border-color:#9ec7fb;box-shadow:0 10px 22px rgba(20,119,255,.08)}.std-tools-list .code{display:inline-flex;padding:5px 8px;border-radius:7px;background:#edf6ff;color:var(--std-blue);font-size:10px;font-weight:800}.std-tools-list h3{margin:12px 0 7px;font-size:16px}.std-tools-list p{margin:0;color:var(--std-muted);font-size:12px;line-height:1.65}.std-tools-list .go{display:block;margin-top:12px;color:var(--std-blue);font-size:12px;font-weight:750}

/* Results */
.std-results-main{width:min(var(--std-shell),calc(100% - 40px));margin:0 auto;padding:42px 0 0}.std-results-hero{text-align:center;margin-bottom:25px}.std-results-head{display:block}.std-results-head>div{max-width:760px;margin:auto}.std-results-head h1{margin:0;font-size:39px;letter-spacing:-1.7px}.std-results-head p{margin:10px 0 0;color:var(--std-muted);font-size:14px}.std-results-head>a{display:inline-flex;margin-top:14px;color:var(--std-blue);font-size:13px;font-weight:750}.std-privacy-note{margin:0 0 16px;padding:12px 16px;border:1px solid #dce8f4;border-radius:13px;background:rgba(255,255,255,.72);color:#65758b;font-size:12px}.std-results-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.std-results-stat{padding:21px;border:1px solid var(--std-line);border-radius:18px;background:#fff;box-shadow:var(--std-shadow-soft);position:relative;overflow:hidden}.std-results-stat::after{content:"";position:absolute;right:-28px;top:-28px;width:90px;height:90px;border-radius:50%;background:rgba(20,119,255,.07)}.std-results-stat span{display:block;color:#5d6e85;font-size:12px}.std-results-stat strong{display:inline-block;margin-top:11px;font-size:30px;letter-spacing:-1.2px;font-variant-numeric:tabular-nums}.std-results-stat small{display:block;margin-top:6px;color:#8b9aae;font-size:11px}.std-results-controls{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 14px;padding:13px 14px;background:#fff;border:1px solid var(--std-line);border-radius:15px}.std-results-control-group{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.std-control-label{color:#74859b;font-size:12px}.std-results-controls select,.std-results-controls input{height:38px;border:1px solid var(--std-line);border-radius:10px;background:#fff;padding:0 11px;color:#405169;font-size:12px}.std-results-refresh{border:0;background:transparent;color:var(--std-blue);font-size:12px;font-weight:750;display:flex;align-items:center;gap:7px}.std-results-refresh svg{width:18px;height:18px}.std-api-status{display:none;margin-bottom:14px;padding:11px 14px;border-radius:11px;font-size:12px}.std-api-status.show{display:block}.std-api-status.success{background:#ecfbf4;color:#087443}.std-api-status.error{background:#fff0f2;color:#b42332}.std-results-table-card{overflow:hidden;background:#fff;border:1px solid var(--std-line);border-radius:19px;box-shadow:var(--std-shadow-soft)}.std-results-table-scroll{overflow:auto}.std-results-table{width:100%;min-width:980px;border-collapse:collapse}.std-results-table th,.std-results-table td{padding:14px 12px;border-bottom:1px solid #e7edf4;text-align:left;font-size:12px;white-space:nowrap}.std-results-table th{background:#f8fbff;color:#65758b;font-weight:750}.std-results-table th button{padding:0;border:0;background:none;color:inherit;font-weight:inherit}.std-results-table tbody tr:hover{background:#fafcff}.std-results-value{color:#176fe3;font-weight:750}.std-results-isp{color:#64758b}.std-results-empty{text-align:center!important;padding:46px!important;color:#8795a8}.std-results-pagination{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:#fbfdff}.std-results-pagination span{color:#7a899d;font-size:12px}.std-results-pagination div{display:flex;gap:8px}.std-results-pagination button{height:34px;padding:0 13px;border:1px solid var(--std-line);border-radius:9px;background:#fff;color:#52637a;font-size:12px}.std-results-pagination button:hover:not(:disabled){color:var(--std-blue);border-color:#9cc6fb}.std-results-pagination button:disabled{opacity:.45}.std-results-help{display:none}

/* Content/static pages compatibility */
.container,.main-wrap{width:min(1000px,calc(100% - 40px));margin:0 auto;padding:40px 0 20px}.content-card{padding:30px;margin-bottom:18px}.page-title{margin:0 0 18px!important;padding:0 0 14px!important;border-bottom:1px solid var(--std-line)!important;font-size:25px!important;color:var(--std-text)!important}.page-text{color:#506178!important;font-size:14px!important;line-height:1.9!important}.page-text p{margin:0 0 13px}.page-text h2,.page-text h3{margin:23px 0 10px;color:#1a2b43;font-size:17px}.clause-list{list-style:none;padding:0}.clause-list li{margin:8px 0;padding:13px 14px;border:1px solid var(--std-line);border-radius:11px;background:#f9fbfe;color:#506178;font-size:13px;line-height:1.75}.page-updated{color:#8a98aa;font-size:12px}.contact-list{display:grid;gap:12px}.contact-box,.promise-box,.perk-box{border:1px solid var(--std-line);border-radius:15px;background:#f9fbfe;padding:17px}.contact-box{display:grid;grid-template-columns:auto 1fr;gap:13px}.contact-icon{width:42px;height:42px;border-radius:12px;background:#eaf4ff;color:var(--std-blue);display:grid;place-items:center}.contact-label{font-size:11px;color:#8796a8}.contact-value{font-size:14px;font-weight:700;margin-top:4px;word-break:break-all}.form-group{margin-bottom:13px}.success-msg{padding:14px;border:1px solid #ccebdc;border-radius:11px;background:#effbf5;color:#087443}.business-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.ad-slots,.adslot-grid,.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.ad-slot-item,.adslot-item,.feature-item{padding:17px;border:1px solid var(--std-line);border-radius:14px;background:#fbfdff}.ad-slot-name,.card-title,.wide-card-title{font-weight:750}.ad-slot-desc,.wide-card-sub{color:var(--std-muted);font-size:12px;line-height:1.65}.req-list,.perk-list{padding-left:18px;color:var(--std-muted);font-size:13px;line-height:1.8}

/* IP page compatibility */
.ip-hero{padding:30px;background:linear-gradient(135deg,#fff,#eef6ff);border:1px solid var(--std-line);border-radius:24px;box-shadow:var(--std-shadow-soft);margin-bottom:18px}.ip-hero-label{color:var(--std-blue);font-size:12px;font-weight:800}.ip-hero-addr{margin-top:8px;font-size:40px;font-weight:850;letter-spacing:-1.5px;word-break:break-all}.ip-hero-sub{margin-top:8px;color:var(--std-muted);font-size:13px}.ip-hero-tags,.usage-note-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px}.tag,.badge,.region-tag,.ipv6-badge,.quality-level-badge{display:inline-flex;align-items:center;padding:6px 9px;border-radius:999px;background:#edf6ff;color:#176fe3;font-size:11px;font-weight:700}.main-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:18px}.wide-card{padding:22px;border:1px solid var(--std-line);border-radius:19px;background:#fff;box-shadow:var(--std-shadow-soft);margin-bottom:16px}.stats-row,.quality-mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat-card,.quality-mini{padding:14px;border:1px solid var(--std-line);border-radius:12px;background:#f9fbfe}.stat-label,.info-label{color:#77889e;font-size:11px}.stat-value,.wide-card-value{margin-top:6px;font-weight:750;word-break:break-all}.info-row{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid #e9eff6}.info-row:last-child{border-bottom:0}.info-value{color:#293a52}.quality-main{display:grid;grid-template-columns:190px 1fr;gap:22px}.quality-score-panel{text-align:center}.quality-ring{width:150px;height:150px;border-radius:50%;display:grid;place-items:center;margin:auto;background:conic-gradient(var(--std-green) 0 80%,#e7edf4 80%)}.quality-ring::before{content:"";position:absolute}.quality-score-value{font-size:42px;font-weight:850}.quality-score-unit{font-size:12px;color:var(--std-muted)}.quality-title{font-size:22px}.quality-subtitle{color:var(--std-muted);font-size:13px}.quality-list-grid,.quality-doc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.quality-list-box,.quality-doc-item{padding:13px;border:1px solid var(--std-line);border-radius:12px;background:#f9fbfe}.risk-bar-wrap,.progress-bar-wrap{margin-top:10px}.risk-label,.progress-label{display:flex;justify-content:space-between;color:#63758c;font-size:11px}.risk-bar,.progress-bar-bg{height:7px;border-radius:999px;background:#e8eef5;overflow:hidden;margin-top:6px}.risk-bar-fill,.progress-bar-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--std-green),var(--std-blue))}

/* All-in-one/download/map compatibility */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.test-card{padding:16px}.test-header{display:flex;align-items:center;gap:10px}.site-favicon{width:30px;height:30px;border-radius:8px}.site-name,.vendor-name{font-weight:750}.progress-bar-wrap{margin-top:13px}.btn-group{display:flex;gap:9px;flex-wrap:wrap}.category-header,.card-header{display:flex;align-items:center;justify-content:space-between;gap:15px}.section-title,.card-title{margin:0;font-size:18px}.section-label{color:var(--std-blue);font-size:11px;font-weight:800}.stats-row{margin:16px 0}.stat-item{padding:15px;border:1px solid var(--std-line);border-radius:13px;background:#fff}.stat-num{font-size:28px;font-weight:850}.stat-unit{color:var(--std-muted);font-size:11px}.dl-table{width:100%;border-collapse:collapse}.dl-table th,.dl-table td{padding:12px;border-bottom:1px solid #e7edf4;text-align:left;font-size:12px}.dl-table th{color:#617289;background:#f8fbff}.map-card{padding:20px}.map-placeholder{min-height:460px;border:1px dashed #b8cae0;border-radius:16px;background:#f8fbff;display:grid;place-items:center;color:#8594a7}.rank-list{display:grid;gap:9px}.rank-list>div{padding:12px;border:1px solid var(--std-line);border-radius:11px;background:#f9fbfe}.rank-empty{text-align:center;color:#8796a8;padding:24px}.region-tag{margin:3px}

/* Mobile */
@media(max-width:1100px){
  .std-speed-body{grid-template-columns:1fr;gap:22px}.std-gauge-area{border-right:0;border-bottom:1px solid #e6edf6;padding:0 0 28px;min-height:420px}.std-gauge{width:390px}.std-tool-layout,.main-grid{grid-template-columns:1fr}.std-tool-layout aside{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.std-side-panel{margin:0}.std-footer-inner{grid-template-columns:1fr 1.5fr}.std-language{grid-column:2;justify-self:end}.std-text-ad-grid{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:880px){
  .std-header{height:64px}.std-nav-shell{width:calc(100% - 28px)}.std-logo-mark{width:38px;height:38px}.std-brand-word{font-size:20px}.std-menu-toggle{display:flex}.std-nav{display:none;position:absolute;left:14px;right:14px;top:66px;height:auto;margin:0;padding:10px;background:rgba(255,255,255,.98);border:1px solid var(--std-line);border-radius:16px;box-shadow:var(--std-shadow);flex-direction:column;align-items:stretch;gap:2px}.std-nav.open{display:flex}.std-nav a{height:44px;padding:0 13px;border-radius:10px}.std-nav a.active::after{display:none}.std-nav a.active{background:#edf6ff}.std-home-main{padding-top:34px}.std-home-heading h1{font-size:38px}.std-network-bar{grid-template-columns:repeat(2,1fr)}.std-node-select{grid-column:1/-1}.std-node-select select{width:100%}.std-text-ad-grid{grid-template-columns:repeat(3,1fr)}.std-results-stats{grid-template-columns:repeat(2,1fr)}.std-tool-layout aside{grid-template-columns:1fr}.std-tools-list{grid-template-columns:1fr 1fr}.std-tools-group-head{grid-template-columns:1fr}.std-tools-group-head>span{grid-row:auto}.business-layout{grid-template-columns:1fr}.std-footer-inner{grid-template-columns:1fr;text-align:center;padding:28px 0}.std-footer-brand .std-brand{justify-content:center}.std-footer-links{gap:18px}.std-language{grid-column:auto;justify-self:center}
}
@media(max-width:680px){
  .std-shell,.std-results-main,.container,.main-wrap{width:calc(100% - 24px)}.std-main{padding-top:22px}.std-home-main{padding-top:26px}.std-home-heading{margin-bottom:20px}.std-home-heading h1{font-size:31px;letter-spacing:-1.3px}.std-home-heading p{font-size:14px}.std-speed-card{border-radius:22px}.std-network-bar{padding:12px 14px;grid-template-columns:1fr}.std-network-item{min-height:28px}.std-node-select{grid-column:auto;display:grid;grid-template-columns:auto 1fr}.std-node-select select{min-width:0}.std-speed-body{padding:20px 14px 18px}.std-gauge-area{min-height:340px}.std-gauge{width:320px}.std-gauge-value{font-size:43px}.std-start-test{width:104px;height:104px;font-size:16px;margin-top:20px;border-width:6px}.std-metric-grid{gap:10px}.std-speed-metric{min-height:138px;padding:16px}.std-speed-metric strong{font-size:31px}.std-sparkline{height:28px;margin-top:13px}.std-quality-box{padding:16px;grid-template-columns:1fr}.std-quality-check{display:none}.std-quality-main h2{font-size:17px}.std-scenario-tags{grid-template-columns:1fr 1fr 1fr;gap:6px}.std-scenario-tag{font-size:10px;padding:0 4px}.std-speed-actions{grid-template-columns:repeat(2,1fr)}.std-speed-actions>*+*::before{display:none}.std-speed-actions>*:nth-child(n+3){border-top:1px solid var(--std-line)}.std-speed-actions>*:nth-child(even){border-left:1px solid var(--std-line)}.std-text-ad-grid{grid-template-columns:repeat(2,1fr);gap:8px}.std-text-ad{height:44px;font-size:12px}.std-quick-tools{grid-template-columns:repeat(3,1fr);gap:4px}.std-quick-tools a+a::before{display:none}.std-quick-tools a{min-height:76px}.std-tool-hero,.std-page-hero{padding:22px 20px}.std-tool-hero h1,.std-page-hero h1{font-size:26px}.std-page-hero-icon{width:46px;height:46px}.std-input-row{grid-template-columns:1fr}.std-action{width:100%}.std-field-grid{grid-template-columns:1fr}.std-result-summary{grid-template-columns:repeat(2,1fr)}.std-tools-list{grid-template-columns:1fr}.std-tools-group{padding:16px}.std-results-main{padding-top:28px}.std-results-head h1{font-size:31px}.std-results-controls{align-items:flex-start;flex-direction:column}.std-results-control-group{width:100%}.std-results-control-group>*{flex:1}.std-results-controls select,.std-results-controls input{width:100%}.std-results-table{min-width:0}.std-results-table thead{display:none}.std-results-table,.std-results-table tbody,.std-results-table tr,.std-results-table td{display:block;width:100%}.std-results-table tr{padding:14px;border-bottom:1px solid var(--std-line)}.std-results-table td{padding:6px 0;border:0;display:flex;justify-content:space-between;gap:16px;white-space:normal}.std-results-table td::before{content:attr(data-label);color:#7a899c}.std-results-empty{display:block!important}.std-results-pagination{padding:12px}.quality-main{grid-template-columns:1fr}.quality-list-grid,.quality-doc-grid,.matrix-grid,.ad-slots,.adslot-grid,.feature-grid{grid-template-columns:1fr}.info-row{grid-template-columns:1fr;gap:5px}.ip-hero-addr{font-size:30px}.stats-row,.quality-mini-grid{grid-template-columns:1fr 1fr}.std-footer-links{gap:13px 19px}
}
@media(max-width:420px){
  .std-nav-shell{width:calc(100% - 20px)}.std-logo-mark{width:34px;height:34px}.std-brand-word{font-size:18px}.std-home-heading h1{font-size:28px}.std-home-heading p{font-size:13px}.std-gauge{width:286px}.std-gauge-value{font-size:38px}.std-start-test{width:94px;height:94px;font-size:15px}.std-speed-body{padding-left:10px;padding-right:10px}.std-speed-metric{padding:14px}.std-metric-label{font-size:12px}.std-metric-icon{width:30px;height:30px}.std-speed-metric strong{font-size:27px}.std-speed-metric small{display:block;margin:5px 0 0}.std-scenario-tags{grid-template-columns:1fr}.std-speed-actions button,.std-speed-actions a{min-height:58px;font-size:12px}.std-ad-section{padding:10px}.std-text-ad{padding:0 7px}.std-results-stats{grid-template-columns:1fr 1fr;gap:9px}.std-results-stat{padding:16px}.std-results-stat strong{font-size:25px}.std-quick-tools{padding:10px 5px}.std-tool-panel{padding:17px}.content-card{padding:21px}
}
.std-visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.std-privacy-note{display:flex;align-items:center;gap:7px}.std-privacy-note svg{width:17px;height:17px;color:var(--std-blue);flex:0 0 auto}
.std-panel-title{margin:0 0 15px;font-size:18px}.std-form-actions{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:12px}.std-form-actions>span{color:var(--std-muted);font-size:12px}@media(max-width:680px){.std-form-actions{align-items:stretch;flex-direction:column}.std-form-actions .std-action{width:100%}}
.env-score{display:grid;grid-template-columns:150px 1fr;gap:24px;align-items:center;padding:8px 4px 24px}.env-score-ring{width:130px;height:130px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--std-blue) 0 0%,#e6edf5 0);position:relative}.env-score-ring::after{content:"";position:absolute;inset:12px;border-radius:50%;background:#fff}.env-score-ring strong{position:relative;z-index:1;font-size:34px}.env-score-copy h2{margin:0 0 8px;font-size:23px}.env-score-copy p{margin:0;color:var(--std-muted);font-size:13px}.env-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.env-card{padding:18px;border:1px solid var(--std-line);border-radius:15px;background:#fbfdff}.env-card h3{margin:0 0 12px;font-size:15px}.env-card table{width:100%;border-collapse:collapse}.env-card th,.env-card td{padding:8px 0;border-bottom:1px solid #e8eef5;text-align:left;vertical-align:top;font-size:12px;word-break:break-word}.env-card th{width:34%;color:#78889d;font-weight:700}.env-card tr:last-child th,.env-card tr:last-child td{border-bottom:0}.std-webrtc{margin-top:15px;padding:17px;border:1px solid var(--std-line);border-radius:15px;background:#fbfdff;display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center}.std-webrtc h3{margin:0 0 5px;font-size:15px}.std-webrtc p{margin:0;color:var(--std-muted);font-size:12px}.std-webrtc .std-code{grid-column:1/-1;margin:0}.std-webrtc .std-code[hidden]{display:none}@media(max-width:680px){.env-score{grid-template-columns:1fr;text-align:center}.env-score-ring{margin:auto}.env-grid{grid-template-columns:1fr}.std-webrtc{grid-template-columns:1fr}.std-webrtc .std-action{width:100%}}
.std-platform-actions{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:16px}.std-platform-actions h2{margin:0 0 5px;font-size:19px}.std-platform-actions p{margin:0;color:var(--std-muted);font-size:12px}.progress-bar-wrap{display:none;margin:14px 0 18px}.progress-bar-wrap.show{display:block}.progress-bar-bg{height:8px}.progress-label{margin-top:7px}.matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-card{border:1px solid var(--std-line);border-radius:15px;background:#fbfdff;overflow:hidden}.category-card .category-header{padding:14px 15px;border-bottom:1px solid var(--std-line)}.category-card .category-header h2{margin:0;font-size:15px}.category-card table{width:100%;border-collapse:collapse}.category-card th,.category-card td{padding:10px 14px;border-bottom:1px solid #e9eff6;text-align:left;font-size:12px}.category-card th{color:#718198;background:#f7faff}.category-card tbody tr{cursor:pointer}.category-card tbody tr:hover{background:#f1f7ff}.category-card tr:last-child td{border-bottom:0}.site-name{display:flex;align-items:center;gap:8px}.site-favicon{width:21px;height:21px}.idle-txt{color:#9aa7b8}.loading-txt{color:var(--std-blue)}.timeout-txt{color:var(--std-red)}@media(max-width:680px){.std-platform-actions{align-items:stretch;flex-direction:column}.matrix-grid{grid-template-columns:1fr}}
.std-download-summary{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:15px}.std-download-summary h2{margin:0 0 5px;font-size:19px}.std-download-summary p{margin:0;color:var(--std-muted);font-size:12px}.std-download-summary>span{padding:7px 10px;border-radius:999px;background:#fff3e8;color:#c46418;font-size:11px}.tab-bar{display:flex;gap:8px;overflow:auto;padding:4px 0 13px;scrollbar-width:thin}.tab-bar button{flex:0 0 auto;height:38px;padding:0 14px;border:1px solid var(--std-line);border-radius:10px;background:#f8fbff;color:#51637b;font-size:12px;font-weight:700}.tab-bar button.active,.tab-bar button:hover{background:#1477ff;color:#fff;border-color:#1477ff}.dl-table{border:1px solid var(--std-line);border-radius:15px;overflow:hidden}.dl-table table{width:100%;border-collapse:collapse}.dl-table th,.dl-table td{padding:12px 13px;border-bottom:1px solid #e8eef5;text-align:left;font-size:12px}.dl-table th{background:#f7faff;color:#64758b}.dl-table tr:last-child td{border-bottom:0}.btn-direct,.btn-dl{display:inline-flex;align-items:center;justify-content:center;height:31px;padding:0 10px;margin:2px;border-radius:8px;font-size:11px;box-shadow:none}.btn-direct{background:#fff;color:#176fe3;border:1px solid #9ec7fb}.btn-dl{background:#1477ff}.tag{margin-right:6px}@media(max-width:680px){.std-download-summary{align-items:flex-start;flex-direction:column}.dl-table{overflow:auto}.dl-table table{min-width:760px}}
.std-map-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}.std-map-stats article{padding:19px;border:1px solid var(--std-line);border-radius:16px;background:#fff;box-shadow:var(--std-shadow-soft)}.std-map-stats span{display:block;color:#697b91;font-size:12px}.std-map-stats strong{display:inline-block;margin-top:9px;font-size:26px}.std-map-stats small{display:block;margin-top:5px;color:#8796a9;font-size:11px}.std-map-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(290px,.7fr);gap:16px}.map-card,.rank-card{padding:18px}.std-card-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:12px}.std-card-heading h2{margin:0;font-size:17px}.std-card-heading p{margin:5px 0 0;color:var(--std-muted);font-size:11px}.std-card-heading>span{color:#75869b;font-size:11px}.map-card #mapChart{height:520px}.rank-item{display:grid!important;grid-template-columns:28px 70px 1fr auto;gap:9px;align-items:center!important}.rank-num{width:25px;height:25px;border-radius:8px;display:grid;place-items:center;background:#edf3f9;color:#5c6f87;font-size:11px}.rank-num.gold{background:#fff2c7;color:#9e6b00}.rank-num.silver{background:#eef2f6}.rank-num.bronze{background:#ffead9;color:#a65319}.rank-name{font-size:12px;font-weight:700}.rank-bar-wrap{height:6px;border-radius:999px;background:#e8eef5;overflow:hidden}.rank-bar{height:100%;border-radius:inherit;background:linear-gradient(90deg,#42b6ff,#1477ff)}.rank-speed{color:#176fe3;font-size:11px;font-weight:750}@media(max-width:880px){.std-map-layout{grid-template-columns:1fr}.std-map-stats{grid-template-columns:repeat(2,1fr)}}@media(max-width:420px){.std-map-stats{grid-template-columns:1fr 1fr}.rank-item{grid-template-columns:26px 62px 1fr auto}}
.std-ip-shell{max-width:1120px}.quality-card,.info-table-card,.quality-doc-card{padding:22px;margin-bottom:16px}.quality-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:20px}.quality-title{margin:0 0 6px;font-size:20px}.quality-subtitle{margin:0}.quality-level-badge{background:#edf6ff;color:#176fe3}.quality-score-caption{margin-top:9px;color:#718198;font-size:12px}.quality-summary{padding:13px;border:1px solid var(--std-line);border-radius:12px;background:#f8fbff;color:#43546b;font-size:13px;line-height:1.7}.quality-list-box h3{margin:0 0 8px;font-size:14px}.quality-list-box ul{margin:0;padding-left:18px;color:#5d6e84;font-size:12px;line-height:1.75}.info-table-card .card-title{margin:0 0 9px;font-size:18px}.map-card #mapContainer{min-height:360px}.wide-card{display:flex;align-items:center;justify-content:space-between;gap:20px}.quality-doc-card h2{margin:0 0 9px;font-size:18px}.quality-doc-card>p{color:var(--std-muted);font-size:13px;line-height:1.75}.quality-doc-item h3{margin:0 0 6px;font-size:14px}.quality-doc-item p{margin:0;color:var(--std-muted);font-size:12px;line-height:1.7}@media(max-width:680px){.quality-head{flex-direction:column}.quality-main{grid-template-columns:1fr}.quality-list-grid{grid-template-columns:1fr}.wide-card{align-items:flex-start;flex-direction:column}}

/* V5 final interaction refinements */
.btn-dl.btn-direct{background:#fff;color:#176fe3;border:1px solid #9ec7fb}.btn-dl.btn-direct:hover{background:#edf6ff;color:#0b65d8;border-color:#71aff7;box-shadow:none}
@media(max-width:680px){
  .std-results-control-group{display:grid;grid-template-columns:78px minmax(0,1fr);gap:9px 10px;align-items:center}
  .std-results-control-group>*{flex:none}
  .std-results-refresh{width:100%;height:38px;justify-content:center;border:1px solid var(--std-line);border-radius:10px;background:#f8fbff}
}

/* V5.1 brand and speed-test refinements */
.std-logo-mark{width:45px;height:45px;object-fit:contain;flex:0 0 auto;filter:drop-shadow(0 7px 13px rgba(20,119,255,.18))}
.std-footer-brand .std-logo-mark{width:38px;height:38px}
.std-footer-inner{grid-template-columns:1.1fr 2fr;gap:48px}
.std-footer-links{justify-content:flex-end}
.std-gauge-area{min-height:430px;padding:10px 34px 8px 0;background:linear-gradient(145deg,rgba(247,251,255,.8),rgba(255,255,255,.2));border-radius:24px 0 0 24px}
.std-gauge{width:min(410px,100%);aspect-ratio:420/360;place-items:initial}
.std-gauge::before{inset:72px 78px 58px;border-radius:50%;background:radial-gradient(circle at 50% 46%,rgba(76,169,255,.12),rgba(76,169,255,.035) 50%,transparent 72%);box-shadow:none}
.std-gauge-svg{height:100%;overflow:visible}
.std-gauge-track{stroke:#e6eff9;stroke-width:15}
.std-gauge-progress{stroke-width:15;filter:drop-shadow(0 7px 10px rgba(20,119,255,.18))}
.std-gauge-tick{stroke:#c0cfe0;stroke-width:1.8}.std-gauge-tick.major{stroke:#8fa7c2;stroke-width:2.5}
.std-gauge-number{font-size:11px;fill:#526781;font-weight:720}
.std-gauge-center{position:absolute;inset:0;margin:0;padding-top:102px;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:flex-start}
.std-gauge-value{font-size:54px;letter-spacing:-2.8px}
.std-gauge-unit{margin-top:8px;font-size:15px}
.std-start-test{margin-top:31px;width:116px;height:116px;border-width:6px;font-size:18px;box-shadow:0 15px 31px rgba(13,103,238,.27),0 0 0 9px rgba(20,119,255,.075)}
@media(max-width:1020px){.std-footer-inner{grid-template-columns:1fr 1.8fr}.std-gauge-area{border-radius:22px;border-right:0;padding:8px 0 24px}.std-gauge{width:390px}}
@media(max-width:760px){.std-footer-inner{grid-template-columns:1fr;text-align:center}.std-footer-links{justify-content:center}.std-gauge-area{min-height:380px}.std-gauge{width:340px}.std-gauge-center{padding-top:86px}.std-gauge-value{font-size:45px}.std-start-test{width:106px;height:106px;margin-top:28px}}
@media(max-width:390px){.std-logo-mark{width:36px;height:36px}.std-gauge-area{min-height:345px}.std-gauge{width:300px}.std-gauge-center{padding-top:75px}.std-gauge-value{font-size:40px}.std-start-test{width:96px;height:96px;margin-top:24px;font-size:16px}}

/* V5.2 original brand logo, Chinese naming and expanded text ads */
.std-header{height:82px}
body::before{inset:82px 0 auto}
.std-nav-shell{gap:28px}
.std-brand{gap:12px}
.std-logo-mark.std-logo-original{width:68px;height:70px;object-fit:contain;filter:none}
.std-brand-word{font-size:24px;font-style:normal;font-weight:900;letter-spacing:-1px;color:#13213a}
.std-brand-word span{color:inherit}
.std-footer-brand .std-logo-mark.std-logo-original{width:64px;height:66px}
.std-footer-brand .std-brand-word{font-size:21px}
.std-ad-section{padding:16px}
.std-text-ad-grid{gap:9px}
.std-text-ad{height:46px;border-radius:9px;font-size:13px}
@media(max-width:1020px){
  .std-logo-mark.std-logo-original{width:60px;height:62px}
  .std-brand-word{font-size:22px}
}
@media(max-width:760px){
  .std-header{height:70px}
  body::before{inset:70px 0 auto}
  .std-logo-mark.std-logo-original{width:52px;height:54px}
  .std-brand-word{font-size:19px;letter-spacing:-.5px}
  .std-nav{top:72px}
  .std-footer-brand .std-logo-mark.std-logo-original{width:62px;height:64px}
}
@media(max-width:680px){
  .std-text-ad-grid .std-text-ad:last-child:nth-child(odd){grid-column:1/-1}
}
@media(max-width:390px){
  .std-logo-mark.std-logo-original{width:46px;height:48px}
  .std-brand-word{font-size:18px}
}

/* V5.3 primary/secondary brand, full IP map and restored image advertisements */
.std-brand-copy{display:flex;flex-direction:column;justify-content:center;gap:3px;min-width:0;white-space:nowrap;line-height:1}
.std-brand-copy strong{font-size:24px;font-weight:900;letter-spacing:-1px;color:#13213a}
.std-brand-copy small{font-size:11px;font-weight:700;letter-spacing:.08em;color:#74859b}
.std-footer-brand .std-brand-copy strong{font-size:20px}
.std-footer-brand .std-brand-copy small{font-size:10px}

.std-image-ad-section{margin-top:14px;padding:16px;border:1px solid var(--std-line);border-radius:var(--std-radius-lg);background:rgba(255,255,255,.94);box-shadow:var(--std-shadow-soft)}
.std-image-ad-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.std-image-ad{min-width:0;overflow:hidden;border:1px solid #d8e2ed;border-radius:12px;background:#fff;box-shadow:0 5px 16px rgba(42,79,126,.055);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.std-image-ad:hover{transform:translateY(-2px);border-color:#9ec8fb;box-shadow:0 12px 26px rgba(42,79,126,.11)}
.std-image-ad-media{display:block;width:100%;aspect-ratio:216/109;overflow:hidden;background:#eef4fb}
.std-image-ad-media img{width:100%;height:100%;object-fit:cover;display:block}
.std-image-ad strong{display:flex;align-items:center;justify-content:center;min-height:38px;padding:7px 8px;color:#17233a;font-size:12px;font-weight:800;text-align:center;line-height:1.25}

.std-ip-shell .map-card{padding:22px;margin-bottom:16px;overflow:hidden}
.std-ip-shell .map-card #mapContainer{display:block;width:100%;height:420px;min-height:420px;border:1px solid var(--std-line);border-radius:16px;overflow:hidden;background:#edf4fb}
.std-ip-shell .map-card #mapFrame{display:block;width:100%;height:100%;border:0}
.std-ip-shell .map-card .map-placeholder{height:100%;display:grid;place-items:center;color:#72839a;background:linear-gradient(145deg,#f5f9fd,#eaf2fa)}

@media(max-width:1020px){
  .std-brand-copy strong{font-size:22px}
  .std-image-ad-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(max-width:760px){
  .std-brand-copy strong{font-size:19px;letter-spacing:-.5px}
  .std-brand-copy small{font-size:9px}
  .std-image-ad-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .std-image-ad-section{padding:12px}
  .std-ip-shell .map-card #mapContainer{height:310px;min-height:310px}
}
@media(max-width:390px){
  .std-brand-copy strong{font-size:17px}
  .std-brand-copy small{font-size:8px}
  .std-image-ad strong{font-size:11px;min-height:36px}
  .std-ip-shell .map-card #mapContainer{height:270px;min-height:270px}
}

/* V5.5 IP Intelligence page */
.std-ip-intel-page{padding-top:28px}
.std-ip-intel-shell{max-width:1240px}
.std-ip-intel-hero{display:grid;grid-template-columns:minmax(280px,.82fr) minmax(520px,1.35fr);gap:26px;align-items:end;margin-bottom:18px;padding:28px;border:1px solid var(--std-line);border-radius:24px;background:linear-gradient(135deg,rgba(255,255,255,.98),rgba(242,248,255,.97));box-shadow:var(--std-shadow-soft)}
.std-ip-eyebrow,.std-card-title-row>div>span{display:block;margin-bottom:7px;color:#2177e8;font-size:10px;font-weight:850;letter-spacing:.13em}
.std-ip-intel-hero h1{margin:0;font-size:34px;line-height:1.15;letter-spacing:-1.4px}
.std-ip-intel-hero-copy p{margin:10px 0 0;color:var(--std-muted);font-size:13px;line-height:1.75}
.std-ip-search label{display:block;margin-bottom:8px;color:#50627b;font-size:12px;font-weight:750}
.std-ip-search-row{display:grid;grid-template-columns:40px minmax(0,1fr) auto auto;gap:9px;align-items:center}
.std-ip-search-icon{height:46px;display:grid;place-items:center;border:1px solid var(--std-line-strong);border-right:0;border-radius:13px 0 0 13px;background:#fff;color:#7c8ca1}
.std-ip-search-icon svg{width:19px;height:19px}
.std-ip-search-row input{height:46px;margin-left:-9px;padding:0 14px;border:1px solid var(--std-line-strong);border-left:0;border-radius:0 13px 13px 0;background:#fff;color:#17263d;outline:0}
.std-ip-search-row input:focus{border-color:#78b5ff;box-shadow:0 0 0 4px rgba(20,119,255,.08)}
.std-ip-search-row .std-action{height:46px;white-space:nowrap}
.std-ip-search-meta{display:flex;justify-content:space-between;gap:18px;margin-top:10px;color:#8291a5;font-size:11px}
.std-ip-recent{display:flex;align-items:center;justify-content:flex-end;gap:6px;flex-wrap:wrap}
.std-ip-recent button{padding:2px 7px;border:0;border-radius:999px;background:#edf5ff;color:#2875d4;font-size:10px}
.std-ip-loading,.std-ip-error{display:flex;align-items:center;gap:15px;padding:23px;border:1px solid var(--std-line);border-radius:18px;background:#fff;box-shadow:var(--std-shadow-soft)}
.std-ip-loading p,.std-ip-error p{margin:5px 0 0;color:var(--std-muted);font-size:12px}
.std-ip-loader{width:28px;height:28px;border:3px solid #d9e9fb;border-top-color:var(--std-blue);border-radius:50%;animation:stdIpSpin .8s linear infinite}
@keyframes stdIpSpin{to{transform:rotate(360deg)}}
.std-ip-error{border-color:#ffd1d5;background:#fff9fa;color:#a32634}
.std-ip-overview-card{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:26px;align-items:center;padding:27px 28px;border:1px solid #cadcf0;border-radius:24px;background:radial-gradient(circle at 90% 0,rgba(64,156,255,.13),transparent 34%),linear-gradient(135deg,#fff,#f7fbff);box-shadow:var(--std-shadow);margin-bottom:15px}
.std-ip-overview-label{color:#2777dc;font-size:11px;font-weight:800}
.std-ip-address-line{display:flex;align-items:center;gap:11px;margin-top:6px}
.std-ip-address-line>strong{min-width:0;font-size:35px;line-height:1.15;letter-spacing:-1px;word-break:break-all}
.std-copy-mini{width:34px;height:34px;border:1px solid var(--std-line);border-radius:10px;background:#fff;color:#56708f;display:grid;place-items:center;flex:0 0 auto}
.std-copy-mini svg{width:16px;height:16px}.std-copy-mini.copied{color:#0ba55d;border-color:#77dbac;background:#effbf5}
.std-ip-overview-main>p{margin:8px 0 0;color:#667991;font-size:13px}
.std-ip-overview-tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:13px}
.std-ip-tag{display:inline-flex;align-items:center;padding:6px 9px;border-radius:999px;background:#edf4fc;color:#50637b;font-size:10px;font-weight:750}
.std-ip-tag.clear{background:#eafaf2;color:#128151}.std-ip-tag.info{background:#edf5ff;color:#176fd8}.std-ip-tag.warning{background:#fff4e8;color:#b46500}.std-ip-tag.neutral{background:#f0f3f7;color:#637287}
.std-ip-confidence-panel{padding:18px;border:1px solid rgba(198,216,237,.9);border-radius:17px;background:rgba(255,255,255,.76)}
.std-ip-confidence-panel>span{color:#73849a;font-size:11px}.std-ip-confidence-panel>strong{display:block;margin-top:6px;font-size:24px}.std-ip-confidence-panel>small{display:block;margin-top:8px;color:#7c8ca1;font-size:10px}
.std-ip-confidence-track,.std-ip-risk-track{height:8px;margin-top:12px;border-radius:999px;background:#e5edf6;overflow:hidden}.std-ip-confidence-track i,.std-ip-risk-track i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#2c8cff,#25c9d8);transition:width .35s ease}
.std-ip-key-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px;margin-bottom:15px}
.std-ip-key-grid article,.std-ip-env-grid article{padding:18px;border:1px solid var(--std-line);border-radius:16px;background:#fff;box-shadow:0 8px 24px rgba(42,79,126,.045);min-width:0}
.std-ip-key-grid span,.std-ip-env-grid span{display:block;color:#7a899d;font-size:10px;font-weight:750}.std-ip-key-grid strong,.std-ip-env-grid strong{display:block;margin-top:8px;color:#16243a;font-size:16px;line-height:1.35;word-break:break-word}.std-ip-key-grid small,.std-ip-env-grid small{display:block;margin-top:6px;color:#8997a9;font-size:10px;line-height:1.5}
.std-ip-analysis-grid{display:grid;grid-template-columns:280px minmax(0,1fr);gap:15px;margin-bottom:15px}
.std-ip-score-card,.std-ip-evidence-card,.std-ip-section-card,.std-ip-risk-card,.std-ip-map-card,.std-ip-environment-card,.std-ip-method-card{padding:23px;border:1px solid var(--std-line);border-radius:20px;background:#fff;box-shadow:var(--std-shadow-soft)}
.std-ip-score-card{text-align:center}.std-ip-score-ring{--score:0deg;width:164px;height:164px;margin:1px auto 15px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(#1681ff 0 var(--score),#e6eef7 var(--score) 360deg);position:relative}.std-ip-score-ring::after{content:"";position:absolute;inset:13px;border-radius:50%;background:#fff;box-shadow:inset 0 0 0 1px #e4edf7}.std-ip-score-ring>div{position:relative;z-index:1}.std-ip-score-ring strong{font-size:43px;letter-spacing:-1.8px}.std-ip-score-ring span{color:#8291a5;font-size:11px}.std-ip-score-card h2{margin:0;font-size:18px}.std-ip-score-card p{min-height:85px;margin:9px 0 14px;color:#65778e;font-size:12px;line-height:1.75}.std-inline-button{border:0;background:transparent;color:#1675e8;font-size:11px;font-weight:800}
.std-card-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:16px}.std-card-title-row h2{margin:0;font-size:19px;letter-spacing:-.35px}.std-status-pill{display:inline-flex;align-items:center;padding:6px 9px;border-radius:999px;background:#eef4fb;color:#6a7b91;font-size:10px;white-space:nowrap}.std-status-pill.ok{background:#eafaf2;color:#128151}.std-status-pill.warning{background:#fff2e5;color:#b76500}
.std-ip-reason-list{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:14px}.std-ip-reason-list span{padding:7px 9px;border-radius:9px;background:#f3f7fb;color:#51647c;font-size:10px}
.std-ip-evidence-table-wrap{overflow:auto;border:1px solid var(--std-line);border-radius:13px}.std-ip-evidence-table{width:100%;border-collapse:collapse;min-width:720px}.std-ip-evidence-table th,.std-ip-evidence-table td{padding:11px 12px;border-bottom:1px solid #e8eef5;text-align:left;vertical-align:top;font-size:11px}.std-ip-evidence-table th{background:#f7faff;color:#66788f;font-weight:800}.std-ip-evidence-table tr:last-child td{border-bottom:0}.std-ip-evidence-table td strong{display:block;font-size:11px}.std-ip-evidence-table td small{display:block;margin-top:4px;color:#8a98a9;line-height:1.5}.std-ip-state{display:inline-flex;padding:5px 7px;border-radius:999px;background:#f0f3f7;color:#66768b;font-size:9px;font-weight:800;white-space:nowrap}.std-ip-state.ok{background:#eafaf2;color:#128151}.std-ip-state.warning{background:#fff1e3;color:#b46000}.std-ip-state.unknown{background:#f3f0ff;color:#6d56c8}
.std-ip-section-card,.std-ip-risk-card,.std-ip-environment-card,.std-ip-method-card{margin-bottom:15px}.std-ip-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px}.std-ip-detail-grid dl{display:grid;grid-template-columns:132px minmax(0,1fr);gap:13px;margin:0;padding:11px 0;border-bottom:1px solid #e8eef5}.std-ip-detail-grid dt{color:#7a899c;font-size:11px}.std-ip-detail-grid dd{margin:0;color:#26374e;font-size:12px;word-break:break-word}.std-ip-detail-grid.compact dl{grid-template-columns:105px 1fr}
.std-ip-risk-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.std-ip-risk-grid article{padding:15px;border:1px solid var(--std-line);border-radius:14px;background:#f9fbfe}.std-ip-risk-grid article.clear{border-color:#cfeedd;background:#f4fcf8}.std-ip-risk-grid article.warning{border-color:#ffd8ae;background:#fffaf3}.std-ip-risk-grid article.unknown{border-color:#ded7fb;background:#faf9ff}.std-ip-risk-grid span{display:block;color:#78889c;font-size:10px}.std-ip-risk-grid strong{display:block;margin-top:7px;font-size:14px}.std-ip-risk-grid small{display:block;margin-top:5px;color:#8a97a8;font-size:9px}.std-ip-risk-meter{margin-top:16px;padding:16px;border:1px solid var(--std-line);border-radius:14px;background:#f9fbfe}.std-ip-risk-meter>div:first-child{display:flex;align-items:center;justify-content:space-between;font-size:11px}.std-ip-risk-meter p{margin:10px 0 0;color:#7b899b;font-size:10px;line-height:1.6}
.std-ip-location-grid{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:15px;margin-bottom:15px}.std-ip-location-grid .std-ip-section-card{margin:0}.std-ip-location-summary{padding:12px 13px;margin-bottom:9px;border:1px solid #d7e4f2;border-radius:12px;background:#f7fbff;color:#49617e;font-size:11px;line-height:1.6}.std-ip-map-card{margin:0}.std-ip-map-container{height:360px;border:1px solid var(--std-line);border-radius:15px;overflow:hidden;background:#edf4fb}.std-ip-map-container iframe{width:100%;height:100%;border:0;display:block}.std-ip-map-placeholder{height:100%;display:grid;place-items:center;color:#7c8da2}.std-ip-map-card>p{margin:10px 0 0;color:#8290a2;font-size:10px;line-height:1.6}
.std-ip-env-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.std-ip-webrtc-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:14px;padding:15px;border:1px solid var(--std-line);border-radius:14px;background:#f9fbfe}.std-ip-webrtc-row strong{font-size:13px}.std-ip-webrtc-row p{margin:5px 0 0;color:#7a899b;font-size:10px}.std-ip-webrtc-result{margin:10px 0 0;padding:14px;border:1px solid #dbe5f0;border-radius:12px;background:#101a2a;color:#d9e7f8;font-size:11px;white-space:pre-wrap;word-break:break-all}
.std-ip-history-sources-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.std-ip-history-sources-grid .std-ip-section-card{margin:0}.std-ip-history-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.std-ip-history-stats div{padding:13px;border:1px solid var(--std-line);border-radius:12px;background:#f9fbfe}.std-ip-history-stats span{display:block;color:#7a899d;font-size:9px}.std-ip-history-stats strong{display:block;margin-top:6px;font-size:11px}.std-ip-change-list{margin-top:11px}.std-ip-change-list>p{margin:0;color:#7e8da0;font-size:11px}.std-ip-change-list article{padding:10px 0;border-bottom:1px solid #e8eef5}.std-ip-change-list article:last-child{border-bottom:0}.std-ip-change-list time{display:block;color:#8a98aa;font-size:9px}.std-ip-change-list strong{display:block;margin-top:3px;font-size:11px}.std-ip-change-list article p{margin:4px 0 0;color:#687990;font-size:10px}
.std-ip-source-list{display:grid;gap:8px}.std-ip-source-list article{display:grid;grid-template-columns:9px minmax(0,1fr) auto;gap:10px;align-items:center;padding:11px;border:1px solid var(--std-line);border-radius:12px;background:#f9fbfe}.std-ip-source-dot{width:8px;height:8px;border-radius:50%;background:#9ba8b8}.std-ip-source-dot.ok{background:#19b86c}.std-ip-source-dot.failed,.std-ip-source-dot.timeout{background:#ef6670}.std-ip-source-list strong{display:block;font-size:11px}.std-ip-source-list p{margin:3px 0 0;color:#7d8b9e;font-size:9px}.std-ip-source-list em{font-style:normal;color:#66778d;font-size:9px}
.std-ip-method-card{margin-top:15px}.std-ip-method-card h2{margin:0 0 15px;font-size:19px}.std-ip-method-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.std-ip-method-grid article{padding:15px;border:1px solid var(--std-line);border-radius:13px;background:#f9fbfe}.std-ip-method-grid strong{font-size:12px}.std-ip-method-grid p{margin:7px 0 0;color:#74849a;font-size:10px;line-height:1.7}

@media(max-width:1040px){
  .std-ip-intel-hero{grid-template-columns:1fr}.std-ip-search-meta{flex-direction:column;gap:8px}.std-ip-recent{justify-content:flex-start}
  .std-ip-risk-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.std-ip-env-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.std-ip-method-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .std-ip-location-grid{grid-template-columns:1fr}.std-ip-map-container{height:420px}
}
@media(max-width:760px){
  .std-ip-intel-page{padding-top:18px}.std-ip-intel-hero{padding:20px}.std-ip-intel-hero h1{font-size:28px}.std-ip-search-row{grid-template-columns:38px 1fr}.std-ip-search-row .std-action{grid-column:auto}.std-ip-search-row .std-action:first-of-type{grid-column:1/2}.std-ip-search-row .std-action.secondary{grid-column:2/3}
  .std-ip-overview-card{grid-template-columns:1fr;padding:21px}.std-ip-address-line>strong{font-size:28px}.std-ip-confidence-panel{padding:14px}
  .std-ip-key-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.std-ip-analysis-grid{grid-template-columns:1fr}.std-ip-score-card p{min-height:0}
  .std-ip-detail-grid{grid-template-columns:1fr}.std-ip-detail-grid dl{grid-template-columns:112px 1fr}.std-ip-history-sources-grid{grid-template-columns:1fr}
  .std-ip-map-container{height:320px}.std-ip-webrtc-row{align-items:flex-start;flex-direction:column}.std-ip-webrtc-row .std-action{width:100%}
}
@media(max-width:480px){
  .std-ip-intel-hero{padding:17px;border-radius:18px}.std-ip-intel-hero h1{font-size:25px}.std-ip-search-row{grid-template-columns:36px minmax(0,1fr)}.std-ip-search-row .std-action{width:100%}
  .std-ip-overview-card{border-radius:19px}.std-ip-address-line>strong{font-size:24px}.std-ip-key-grid,.std-ip-risk-grid,.std-ip-env-grid,.std-ip-method-grid{grid-template-columns:1fr}
  .std-card-title-row{align-items:flex-start;flex-direction:column}.std-ip-detail-grid dl,.std-ip-detail-grid.compact dl{grid-template-columns:1fr;gap:4px}.std-ip-evidence-card,.std-ip-score-card,.std-ip-section-card,.std-ip-risk-card,.std-ip-map-card,.std-ip-environment-card,.std-ip-method-card{padding:17px;border-radius:17px}
  .std-ip-history-stats{grid-template-columns:1fr}.std-ip-map-container{height:260px}
}

/* V5.7 IP assessment consistency fixes */
[hidden]{display:none!important}
.std-ip-assessment-notice{display:flex;align-items:flex-start;gap:12px;margin:0 0 15px;padding:15px 17px;border:1px solid #d9e5f2;border-radius:15px;background:#f8fbff;color:#526780}
.std-ip-assessment-notice.complete{border-color:#cdebdc;background:#f2fbf6;color:#246b49}
.std-ip-assessment-notice.partial{border-color:#f1ddae;background:#fffaf0;color:#7a5a19}
.std-ip-assessment-notice.insufficient{border-color:#ead4d8;background:#fff8f9;color:#8a3844}
.std-ip-assessment-icon{width:25px;height:25px;display:grid;place-items:center;flex:0 0 auto;border-radius:50%;background:#e8f2ff;color:#176fd8;font-size:12px;font-weight:900}
.std-ip-assessment-notice.complete .std-ip-assessment-icon{background:#dff6e9;color:#138354}
.std-ip-assessment-notice.partial .std-ip-assessment-icon{background:#fff0c9;color:#976700}
.std-ip-assessment-notice.insufficient .std-ip-assessment-icon{background:#fde6e9;color:#b03949}
.std-ip-assessment-notice strong{display:block;font-size:13px}
.std-ip-assessment-notice p{margin:4px 0 0;font-size:11px;line-height:1.65;color:inherit;opacity:.86}
.std-ip-score-ring.unavailable{background:conic-gradient(#e6eef7 0 360deg)}
.std-ip-score-ring.unavailable strong{color:#8392a5}
.std-ip-score-ring.unavailable span{display:none}
.std-status-pill.unknown{background:#f1f3f6;color:#6e7d90}
.std-ip-evidence-table{min-width:650px}
.std-ip-coverage-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-bottom:11px}
.std-ip-coverage-summary>div{padding:12px;border:1px solid var(--std-line);border-radius:12px;background:#f9fbfe}
.std-ip-coverage-summary span{display:block;color:#7b899c;font-size:9px}
.std-ip-coverage-summary strong{display:block;margin-top:5px;font-size:15px}
.std-ip-coverage-list{display:grid;gap:8px}
.std-ip-coverage-list article{display:grid;grid-template-columns:9px minmax(0,1fr) auto;gap:10px;align-items:center;padding:11px;border:1px solid var(--std-line);border-radius:12px;background:#f9fbfe}
.std-ip-coverage-list article>span{width:8px;height:8px;border-radius:50%;background:#a4afbd}
.std-ip-coverage-list article.complete>span{background:#19b86c}
.std-ip-coverage-list article.partial>span{background:#e8a72c}
.std-ip-coverage-list article.unknown>span{background:#9ba8b8}
.std-ip-coverage-list strong{display:block;font-size:11px}
.std-ip-coverage-list p{margin:3px 0 0;color:#7d8b9e;font-size:9px}
.std-ip-coverage-list em{font-style:normal;color:#66778d;font-size:9px}
@media(max-width:480px){.std-ip-coverage-summary{grid-template-columns:1fr}.std-ip-evidence-table{min-width:580px}}

/* V5.7 human-readable IP verdict */
.std-ip-verdict-card{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(430px,.85fr);gap:18px;margin:0 0 15px;padding:24px;border:1px solid #cfe0f4;border-radius:20px;background:linear-gradient(135deg,#ffffff 0%,#f5f9ff 100%);box-shadow:var(--std-shadow-soft);position:relative;overflow:hidden}
.std-ip-verdict-card::before{content:"";position:absolute;inset:0 auto 0 0;width:5px;background:#7d8da1}
.std-ip-verdict-card.type-idc::before{background:#ef8b2c}.std-ip-verdict-card.type-proxy::before,.std-ip-verdict-card.type-tor::before{background:#e65663}.std-ip-verdict-card.type-access::before{background:#1ab76b}.std-ip-verdict-card.type-mobile::before{background:#18a9b8}.std-ip-verdict-card.type-enterprise::before{background:#765de6}.std-ip-verdict-card.type-cdn::before{background:#1681ff}
.std-ip-verdict-kicker{display:block;margin-bottom:7px;color:#2d76d5;font-size:11px;font-weight:850;letter-spacing:.08em}
.std-ip-verdict-title-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.std-ip-verdict-title-row h2{margin:0;color:#13233a;font-size:30px;line-height:1.18;letter-spacing:-.7px}.std-ip-verdict-badge{display:inline-flex;padding:6px 9px;border-radius:999px;background:#edf4fc;color:#4e6684;font-size:10px;font-weight:800}
.std-ip-verdict-main>p{margin:11px 0 0;color:#536a87;font-size:14px;line-height:1.75}.std-ip-verdict-reasons{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}.std-ip-verdict-reasons span{display:inline-flex;padding:7px 9px;border:1px solid #dce7f3;border-radius:10px;background:#fff;color:#60738a;font-size:10px;line-height:1.45}
.std-ip-verdict-matrix{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.std-ip-verdict-matrix article{padding:15px;border:1px solid #dce7f3;border-radius:14px;background:rgba(255,255,255,.88)}.std-ip-verdict-matrix span{display:block;color:#75869a;font-size:10px}.std-ip-verdict-matrix strong{display:block;margin-top:7px;color:#17283f;font-size:17px;line-height:1.3}.std-ip-verdict-matrix small{display:block;margin-top:5px;color:#8795a7;font-size:9px;line-height:1.45}
.std-ip-verdict-card.type-idc .std-ip-verdict-title-row h2{color:#a65309}.std-ip-verdict-card.type-proxy .std-ip-verdict-title-row h2,.std-ip-verdict-card.type-tor .std-ip-verdict-title-row h2{color:#ae2e3b}.std-ip-verdict-card.type-access .std-ip-verdict-title-row h2{color:#0e7e48}.std-ip-verdict-card.type-enterprise .std-ip-verdict-title-row h2{color:#5b43c1}
.std-ip-advanced-details{margin:0 0 15px;border:1px solid var(--std-line);border-radius:18px;background:#fff;box-shadow:var(--std-shadow-soft);overflow:hidden}.std-ip-advanced-details>summary{list-style:none;display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:14px;align-items:center;padding:18px 20px;cursor:pointer}.std-ip-advanced-details>summary::-webkit-details-marker{display:none}.std-ip-advanced-details>summary span{color:#2177e8;font-size:10px;font-weight:850}.std-ip-advanced-details>summary strong{font-size:14px;color:#24364d}.std-ip-advanced-details>summary em{font-style:normal;color:#687c94;font-size:10px}.std-ip-advanced-details[open]>summary{border-bottom:1px solid var(--std-line);background:#f8fbff}.std-ip-advanced-details[open]>summary em::after{content:"收起"}.std-ip-advanced-details[open]>summary em{font-size:0}.std-ip-advanced-details[open]>summary em::after{font-size:10px}.std-ip-advanced-body{padding:15px}.std-ip-advanced-body>.std-ip-section-card:first-child{margin-top:0}
@media(max-width:980px){.std-ip-verdict-card{grid-template-columns:1fr}.std-ip-verdict-title-row h2{font-size:27px}}
@media(max-width:620px){.std-ip-verdict-card{padding:18px;border-radius:17px}.std-ip-verdict-title-row h2{font-size:24px}.std-ip-verdict-main>p{font-size:12px}.std-ip-verdict-matrix{grid-template-columns:1fr 1fr}.std-ip-advanced-details>summary{grid-template-columns:1fr auto;gap:5px 10px}.std-ip-advanced-details>summary span{grid-column:1/2}.std-ip-advanced-details>summary strong{grid-column:1/2}.std-ip-advanced-details>summary em{grid-column:2/3;grid-row:1/3}}
@media(max-width:420px){.std-ip-verdict-matrix{grid-template-columns:1fr}.std-ip-key-grid{grid-template-columns:1fr}}
.std-ip-key-grid-simple{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:900px){.std-ip-key-grid-simple{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:480px){.std-ip-key-grid-simple{grid-template-columns:1fr}}

/* V5.8 readability and analytics-safe release
   Desktop body text is intentionally comfortable: regular content 16px,
   secondary content 14px, navigation/buttons 15-16px. */
:root{
  --std-shell:1400px;
}
html{font-size:16px}
body{font-size:16px;line-height:1.68}
.std-nav-shell{width:min(1480px,calc(100% - 48px))}
.std-nav a{font-size:16px;padding-inline:17px}
.std-brand-copy strong{font-size:27px}
.std-brand-copy small{font-size:14px;letter-spacing:.03em}
.std-footer-inner{min-height:172px}
.std-footer-brand p,.std-footer-brand small,.std-footer-links a{font-size:14px;line-height:1.65}

.std-page-hero h1{font-size:34px}
.std-page-hero p,.std-tool-hero p{font-size:16px;line-height:1.8}
.std-home-heading p{font-size:17px}
.std-network-item,.std-network-item strong{font-size:15px}
.std-node-select label{font-size:14px}
.std-node-select select{font-size:15px;height:44px}
.std-metric-label{font-size:16px}
.std-speed-metric small{font-size:14px}
.std-quality-main p{font-size:15px;line-height:1.7}
.std-scenario-tag{font-size:14px}
.std-speed-actions button,.std-speed-actions a{font-size:15px}
.std-text-ad{font-size:15px;height:50px}
.std-image-ad strong{font-size:14px;min-height:42px}
.std-quick-tools a{font-size:15px}

.std-side-panel h2{font-size:19px}
.std-side-panel p,.std-side-panel li{font-size:15px;line-height:1.85}
.std-panel-title{font-size:21px}
.std-input,.std-select,.std-textarea,.form-control{font-size:16px}
.std-field label,.form-group label{font-size:14px}
.std-quick-row button,.std-chip,.btn-cat{font-size:14px;padding:8px 13px}
.std-action,.submit-btn,.btn-run-all,.btn-std,.btn-direct,.btn-dl{font-size:15px;min-height:50px}
.std-form-actions>span{font-size:14px}
.std-empty-state,.std-loading{font-size:15px;line-height:1.75}
.std-error{font-size:15px;line-height:1.7}
.std-result-stat span{font-size:14px}
.std-result-stat strong{font-size:22px!important;line-height:1.35}
.std-status{font-size:14px}
.std-notice,.notice,.info-box,.highlight-box,.map-privacy-note,.usage-note{font-size:14px;line-height:1.8}
.std-data-table th,.std-data-table td{font-size:14px;line-height:1.65;padding:13px 14px}
.std-code{font-size:14px;line-height:1.75}

.std-results-head p,.std-results-head>a,.std-privacy-note{font-size:15px;line-height:1.75}
.std-results-stat span{font-size:14px}
.std-results-stat small{font-size:13px}
.std-control-label,.std-results-controls select,.std-results-controls input,.std-results-refresh,.std-api-status{font-size:14px}
.std-results-table th,.std-results-table td{font-size:14px;padding:15px 14px}
.std-results-pagination span,.std-results-pagination button{font-size:14px}

.container,.main-wrap{width:min(1120px,calc(100% - 40px))}
.page-title{font-size:30px!important}
.page-text{font-size:16px!important;line-height:1.95!important}
.page-text h2,.page-text h3{font-size:21px}
.clause-list li,.req-list,.perk-list{font-size:15px;line-height:1.85}
.page-updated{font-size:14px}
.contact-label{font-size:14px}
.contact-value{font-size:16px}
.ad-slot-desc,.wide-card-sub{font-size:14px;line-height:1.75}

/* IP intelligence: no 9-12px body text. */
.std-ip-intel-shell{max-width:1360px}
.std-ip-eyebrow,.std-card-title-row>div>span{font-size:13px}
.std-ip-intel-hero h1{font-size:34px}
.std-ip-intel-hero p,.std-ip-search-meta,.std-ip-recent{font-size:15px;line-height:1.75}
.std-ip-overview-main>p{font-size:15px;line-height:1.7}
.std-ip-tag{font-size:13px;padding:7px 11px}
.std-ip-confidence-panel>span{font-size:14px}
.std-ip-confidence-panel>strong{font-size:28px}
.std-ip-confidence-panel>small{font-size:13px;line-height:1.6}
.std-ip-key-grid span,.std-ip-env-grid span{font-size:13px}
.std-ip-key-grid strong,.std-ip-env-grid strong{font-size:18px}
.std-ip-key-grid small,.std-ip-env-grid small{font-size:13px;line-height:1.65}
.std-ip-score-ring span{font-size:13px}
.std-ip-score-card h2{font-size:21px}
.std-ip-score-card p{font-size:14px;line-height:1.85}
.std-inline-button{font-size:14px}
.std-card-title-row h2{font-size:23px}
.std-status-pill{font-size:13px;padding:7px 10px}
.std-ip-reason-list span{font-size:13px;line-height:1.55;padding:8px 10px}
.std-ip-evidence-table th,.std-ip-evidence-table td{font-size:14px;line-height:1.65;padding:13px 14px}
.std-ip-evidence-table td strong{font-size:14px}
.std-ip-evidence-table td small{font-size:13px;line-height:1.65}
.std-ip-state{font-size:12px;padding:6px 8px}
.std-ip-detail-grid dt{font-size:14px}
.std-ip-detail-grid dd{font-size:15px;line-height:1.65}
.std-ip-risk-grid span{font-size:13px}
.std-ip-risk-grid strong{font-size:17px}
.std-ip-risk-grid small{font-size:13px;line-height:1.55}
.std-ip-risk-meter>div:first-child{font-size:14px}
.std-ip-risk-meter p{font-size:13px;line-height:1.75}
.std-ip-location-summary{font-size:14px;line-height:1.75}
.std-ip-map-card>p{font-size:13px;line-height:1.7}
.std-ip-webrtc-row strong{font-size:16px}
.std-ip-webrtc-row p{font-size:13px;line-height:1.65}
.std-ip-webrtc-result{font-size:13px;line-height:1.7}
.std-ip-history-stats span{font-size:13px}
.std-ip-history-stats strong{font-size:14px;line-height:1.5}
.std-ip-change-list>p,.std-ip-change-list strong{font-size:14px;line-height:1.65}
.std-ip-change-list time,.std-ip-change-list article p{font-size:13px;line-height:1.65}
.std-ip-method-card h2{font-size:23px}
.std-ip-method-grid strong{font-size:15px}
.std-ip-method-grid p{font-size:13px;line-height:1.75}
.std-ip-assessment-notice strong{font-size:15px}
.std-ip-assessment-notice p{font-size:14px;line-height:1.75}
.std-ip-coverage-summary span{font-size:13px}
.std-ip-coverage-summary strong{font-size:18px}
.std-ip-coverage-list strong{font-size:14px}
.std-ip-coverage-list p,.std-ip-coverage-list em{font-size:13px;line-height:1.6}
.std-ip-verdict-kicker{font-size:13px}
.std-ip-verdict-badge{font-size:13px;padding:7px 10px}
.std-ip-verdict-main>p{font-size:16px;line-height:1.8}
.std-ip-verdict-reasons span{font-size:13px;line-height:1.6;padding:8px 10px}
.std-ip-verdict-matrix span{font-size:13px}
.std-ip-verdict-matrix strong{font-size:19px}
.std-ip-verdict-matrix small{font-size:13px;line-height:1.6}
.std-ip-advanced-details>summary span{font-size:13px}
.std-ip-advanced-details>summary strong{font-size:16px}
.std-ip-advanced-details>summary em,.std-ip-advanced-details[open]>summary em::after{font-size:13px}

@media(max-width:760px){
  body{font-size:16px}
  .std-nav-shell{width:calc(100% - 24px)}
  .std-nav a{font-size:16px}
  .std-brand-copy strong{font-size:21px}
  .std-brand-copy small{font-size:12px}
  .std-home-heading p,.std-page-hero p,.std-tool-hero p{font-size:15px}
  .std-network-item,.std-network-item strong{font-size:14px}
  .std-metric-label{font-size:15px}
  .std-scenario-tag{font-size:13px}
  .std-speed-actions button,.std-speed-actions a{font-size:14px}
  .std-text-ad{font-size:14px;min-height:48px;height:auto;padding:10px 8px;white-space:normal;line-height:1.45}
  .std-quick-tools a{font-size:14px}
  .std-ip-intel-hero h1{font-size:30px}
  .std-ip-verdict-title-row h2{font-size:27px}
  .std-ip-verdict-main>p{font-size:15px}
  .std-ip-evidence-table{min-width:780px}
}
@media(max-width:420px){
  .std-brand-copy strong{font-size:20px}
  .std-brand-copy small{font-size:12px}
  .std-home-heading p{font-size:15px}
  .std-metric-label{font-size:14px}
  .std-speed-actions button,.std-speed-actions a{font-size:14px}
  .std-results-table td{font-size:14px}
}

/* V5.8 remaining module typography */
.std-gauge-number{font-size:12px}
.std-faq summary{font-size:15px}
.std-faq p{font-size:15px;line-height:1.8}
.std-tools-group-head>span{font-size:14px}
.std-tools-group-head h2{font-size:23px}
.std-tools-group-head p{font-size:15px;line-height:1.75}
.std-tools-list .code{font-size:13px}
.std-tools-list h3{font-size:19px}
.std-tools-list p{font-size:15px;line-height:1.75}
.std-tools-list .go{font-size:14px}
.env-score-copy p{font-size:15px;line-height:1.75}
.env-card h3,.std-webrtc h3{font-size:18px}
.env-card th,.env-card td{font-size:14px;line-height:1.65}
.std-webrtc p{font-size:14px;line-height:1.7}
.std-platform-actions h2,.std-download-summary h2{font-size:22px}
.std-platform-actions p,.std-download-summary p{font-size:15px;line-height:1.75}
.progress-label{font-size:14px}
.category-card .category-header h2{font-size:18px}
.category-card th,.category-card td{font-size:14px;line-height:1.6}
.std-download-summary>span{font-size:14px}
.tab-bar button{font-size:14px;height:42px}
.dl-table th,.dl-table td{font-size:14px;line-height:1.6;padding:13px 14px}
.btn-direct,.btn-dl{font-size:13px;min-height:34px}
.std-map-stats span{font-size:14px}
.std-map-stats small{font-size:13px}
.std-card-heading h2{font-size:21px}
.std-card-heading p,.std-card-heading>span{font-size:14px;line-height:1.7}
.rank-num{font-size:13px}
.rank-name,.rank-speed{font-size:14px}
.quality-score-caption{font-size:14px}
.quality-summary{font-size:15px;line-height:1.8}
.quality-list-box h3{font-size:17px}
.quality-list-box ul{font-size:15px;line-height:1.85}
.quality-doc-card>p,.quality-doc-item p{font-size:15px;line-height:1.8}
.quality-doc-item h3{font-size:17px}

main p,main li{font-size:15px;line-height:1.8}
main small{font-size:13px}
main label{font-size:14px}
main input,main select,main textarea{font-size:16px}
main table th,main table td{font-size:14px}

/* V5.9 IP page: information-first layout without scores or confidence */
.std-ip-type-panel{padding:18px;border:1px solid rgba(198,216,237,.9);border-radius:17px;background:rgba(255,255,255,.82)}
.std-ip-type-panel>span{display:block;color:#73849a;font-size:14px;font-weight:700}
.std-ip-type-panel>strong{display:block;margin-top:7px;color:#15263d;font-size:25px;line-height:1.35;word-break:break-word}
.std-ip-type-panel>small{display:block;margin-top:7px;color:#74859a;font-size:13px;line-height:1.6}
.std-ip-key-grid-parameters{grid-template-columns:repeat(3,minmax(0,1fr))}
.std-ip-parameter-note{margin:15px 0 0;padding:13px 15px;border:1px solid #dbe6f2;border-radius:12px;background:#f8fbff;color:#6d7d90;font-size:14px;line-height:1.75}
.std-ip-empty-copy{margin:0;color:#75869a;font-size:14px;line-height:1.7}
.std-ip-risk-card{margin-bottom:15px}
.std-ip-advanced-details{margin-top:15px}
@media(max-width:760px){
  .std-ip-key-grid-parameters{grid-template-columns:repeat(2,minmax(0,1fr))}
  .std-ip-type-panel{padding:15px}
  .std-ip-type-panel>strong{font-size:22px}
}
@media(max-width:480px){
  .std-ip-key-grid-parameters{grid-template-columns:1fr}
}