:root{color-scheme:light dark;font-family:SF Pro Text,SF Pro Display,Segoe UI Variable,HarmonyOS Sans SC,Noto Sans SC,PingFang SC,system-ui,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--page: #f4f6f8;--surface: #ffffff;--surface-soft: #e9edf3;--surface-strong: #dfe5ed;--ink: #111722;--ink-soft: #515b69;--ink-faint: #5b6674;--line: #d6dce4;--line-strong: #bbc5d1;--accent: #1859c9;--accent-strong: #1049aa;--accent-soft: #e4edff;--on-accent: #ffffff;--danger: #ad3535;--danger-soft: #fbeaea;--success: #176344;--success-soft: #e2f3eb;--shadow: 0 22px 64px rgba(20, 33, 51, .09);--radius: 18px}@media(prefers-color-scheme:dark){:root{--page: #0b1018;--surface: #121925;--surface-soft: #161f2d;--surface-strong: #202b3b;--ink: #f2f5f9;--ink-soft: #aab5c4;--ink-faint: #7f8c9e;--line: #293547;--line-strong: #3a495d;--accent: #6b9cff;--accent-strong: #82aaff;--accent-soft: #172c52;--on-accent: #071225;--danger: #ff8b8b;--danger-soft: #3b2328;--success: #78d6ac;--success-soft: #18372c;--shadow: 0 24px 72px rgba(0, 0, 0, .28)}}*{box-sizing:border-box}html{scroll-behavior:smooth}section[id]{scroll-margin-top:88px}body{margin:0;min-width:320px;min-height:100dvh;background:var(--page);color:var(--ink)}button,a,summary{-webkit-tap-highlight-color:transparent}button,summary{font:inherit}button:focus-visible,a:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}a{color:inherit}img{max-width:100%;display:block}p,h1,h2,h3,h4,dl,dd{margin-top:0}p,li,dd{text-wrap:pretty}code{font-family:SFMono-Regular,Consolas,Liberation Mono,monospace}.skip-link{position:fixed;z-index:100;top:10px;left:10px;padding:10px 14px;color:var(--on-accent);background:var(--accent-strong);transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.content-width{width:min(1160px,calc(100% - 48px));margin-inline:auto}.site-header{position:sticky;z-index:20;top:0;border-bottom:1px solid color-mix(in srgb,var(--line) 78%,transparent);background:color-mix(in srgb,var(--page) 91%,transparent);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.header-inner{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-size:18px;font-weight:780;letter-spacing:-.03em;text-decoration:none}.brand-mark{position:relative;width:34px;height:34px;display:block;border-radius:10px;background:var(--accent)}.brand-mark:before{content:"";position:absolute;top:8px;left:8px;width:10px;height:10px;border:2px solid #ffffff;border-radius:50%}.brand-mark:after{content:"";position:absolute;top:20px;left:20px;width:8px;height:2px;border-radius:2px;background:#fff;transform:rotate(45deg);transform-origin:left center}.site-header nav{display:flex;align-items:center;justify-content:center;gap:28px}.site-header nav a{position:relative;padding-block:25px;color:var(--ink-soft);font-size:14px;font-weight:620;text-decoration:none;transition:color .16s ease}.site-header nav a:after{content:"";position:absolute;right:0;bottom:17px;left:0;height:2px;border-radius:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .16s ease}.site-header nav a:hover,.site-header nav a:focus-visible{color:var(--accent)}.site-header nav a:hover:after,.site-header nav a:focus-visible:after{transform:scaleX(1)}.language-picker{display:inline-flex;align-items:center;gap:8px;color:var(--ink-faint);font-size:12px;font-weight:650}.language-picker select{width:138px;min-height:44px;padding:0 30px 0 11px;border:1px solid var(--line);border-radius:10px;color:var(--ink);background:var(--surface);font:inherit;font-size:13px;cursor:pointer}[dir=rtl] .faq-list summary{padding-right:0;padding-left:42px}[dir=rtl] .faq-list summary:before,[dir=rtl] .faq-list summary:after{right:auto;left:7px}[dir=rtl] .faq-list details p{margin-right:0;margin-left:42px}.header-cta,.primary-link,.secondary-link,.primary-button,.secondary-button,.danger-button,.text-button,.candidate-action{min-height:46px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:720;text-decoration:none;white-space:nowrap;cursor:pointer;transition:transform .15s ease,color .15s ease,background-color .15s ease,border-color .15s ease}.header-cta{min-height:44px;padding-inline:16px;color:var(--on-accent);background:var(--accent-strong);font-size:13px}.header-cta:hover,.primary-link:hover,.primary-button:hover{background:color-mix(in srgb,var(--accent-strong) 86%,#000000)}.header-cta:active,.primary-link:active,.secondary-link:active,.primary-button:active,.secondary-button:active,.danger-button:active,.text-button:active,.candidate-action:active{transform:translateY(1px) scale(.985)}.hero{min-height:calc(100vh - 70px);min-height:calc(100svh - 70px);display:grid;align-items:center;overflow:hidden;border-bottom:1px solid var(--line);background:radial-gradient(circle at 86% 32%,color-mix(in srgb,var(--accent) 10%,transparent),transparent 28rem),var(--page)}.hero-grid{padding-block:54px 64px;display:grid;grid-template-columns:minmax(0,.92fr) minmax(440px,1.08fr);align-items:center;gap:clamp(38px,6vw,80px)}.eyebrow,.panel-kicker{margin-bottom:14px;color:var(--accent);font-size:12px;font-weight:790;letter-spacing:.11em;text-transform:uppercase}.hero h1{max-width:640px;margin-bottom:24px;font-size:clamp(48px,5.8vw,76px);font-weight:730;letter-spacing:-.065em;line-height:1.04;text-wrap:balance}.hero-title-segment,.heading-phrase{white-space:nowrap}html:lang(zh) .hero h1{letter-spacing:-.02em}.hero-lead{max-width:620px;margin-bottom:30px;color:var(--ink-soft);font-size:clamp(17px,1.8vw,20px);line-height:1.75}.hero-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.primary-link,.primary-button{border:1px solid var(--accent-strong);padding-inline:21px;color:var(--on-accent);background:var(--accent-strong);box-shadow:0 10px 26px color-mix(in srgb,var(--accent) 19%,transparent)}.secondary-link,.secondary-button{border:1px solid var(--line-strong);padding-inline:19px;color:var(--ink);background:var(--surface)}.secondary-link:hover,.secondary-button:hover{border-color:var(--accent);color:var(--accent)}.trust-list{margin:24px 0 0;padding:0;display:flex;gap:22px;color:var(--ink-faint);font-size:12px;list-style:none}.trust-list li{display:flex;align-items:center;gap:8px}.trust-list li:before{content:"✓";width:15px;height:15px;border-radius:4px;display:grid;place-items:center;color:var(--accent);background:var(--accent-soft);font-size:10px;font-weight:850}.hero-visual,.explain-visual,.routes-visual{overflow:hidden;border:1px solid var(--line);border-radius:22px;background:var(--surface-soft);box-shadow:var(--shadow)}.hero-visual img,.explain-visual img,.routes-visual img{width:100%;height:auto}.section-space{padding-block:clamp(72px,8vw,104px)}.section-heading h2,.explain-copy h2,.routes-copy h2,.diagnostic-intro h2,.boundaries-grid h2,.privacy-grid h2{margin-bottom:22px;font-size:clamp(34px,4vw,52px);font-weight:710;letter-spacing:-.05em;line-height:1.12;text-wrap:balance}.section-heading>p:last-child,.explain-copy>p,.routes-copy>p,.diagnostic-intro>p,.privacy-copy>p{color:var(--ink-soft);line-height:1.82}html:lang(zh) :is(.section-heading h2,.explain-copy h2,.routes-copy h2,.diagnostic-intro h2,.boundaries-grid h2,.privacy-grid h2){font-size:clamp(34px,3.8vw,50px);letter-spacing:-.015em}.problem-grid,.faq-grid{display:grid;grid-template-columns:minmax(0,.82fr) minmax(460px,1.18fr);align-items:start;gap:clamp(54px,8vw,108px)}.sticky-heading{position:sticky;top:110px}.symptom-list{border-top:1px solid var(--line-strong)}.symptom-list article{padding-block:27px;display:grid;grid-template-columns:42px 1fr;gap:19px;border-bottom:1px solid var(--line)}.symptom-list article>span{padding-top:4px;color:var(--accent);font-size:12px;font-weight:780}.symptom-list h3{margin-bottom:9px;font-size:20px;letter-spacing:-.025em}.symptom-list p{margin-bottom:0;color:var(--ink-soft);line-height:1.72}.explain-section,.diagnostic-section,.privacy-section{border-block:1px solid var(--line);background:var(--surface-soft)}.explain-grid,.routes-grid{display:grid;grid-template-columns:minmax(440px,1.07fr) minmax(0,.93fr);align-items:center;gap:clamp(52px,7vw,92px)}.explain-copy>p{margin-bottom:32px}.process-list{margin:0;padding:0;list-style:none}.process-list li{padding-block:20px;display:grid;grid-template-columns:36px 1fr;gap:16px;border-top:1px solid var(--line)}.process-list li:last-child{border-bottom:1px solid var(--line)}.process-list li>span{width:30px;height:30px;border:1px solid var(--accent);border-radius:50%;display:grid;place-items:center;color:var(--accent);font-size:12px;font-weight:780}.process-list h3{margin:3px 0 7px;font-size:17px}.process-list p{margin-bottom:0;color:var(--ink-soft);font-size:14px;line-height:1.7}.routes-grid{grid-template-columns:minmax(0,.93fr) minmax(440px,1.07fr)}.routes-copy>h2{margin-bottom:34px}.route-row{padding-block:23px;display:grid;grid-template-columns:88px 1fr;gap:20px;border-top:1px solid var(--line)}.route-row:last-of-type{border-bottom:1px solid var(--line)}.route-status{width:fit-content;height:fit-content;border:1px solid var(--line-strong);border-radius:999px;padding:5px 9px;color:var(--ink-faint);font-size:11px;font-weight:740}.active-route .route-status{border-color:color-mix(in srgb,var(--accent) 44%,var(--line));color:var(--accent);background:var(--accent-soft)}.route-row h3{margin-bottom:7px;font-size:19px}.route-row p{margin-bottom:10px;color:var(--ink-soft);font-size:14px;line-height:1.7}.route-row a{min-height:32px;display:inline-flex;align-items:center;color:var(--accent);font-size:13px;font-weight:720;text-decoration:none}.route-row a:hover{text-decoration:underline}.diagnostic-intro{max-width:860px;margin-bottom:38px}.diagnostic-intro>p{max-width:700px;margin-bottom:0}.diagnostic-requirements{margin:25px 0 0;padding:0;border-block:1px solid var(--line);display:grid;grid-template-columns:repeat(3,minmax(0,1fr));list-style:none}.diagnostic-requirements li{min-width:0;padding:16px 18px;display:flex;align-items:center;gap:12px}.diagnostic-requirements li:not(:last-child){border-right:1px solid var(--line)}.diagnostic-requirements li>span{color:var(--accent);font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:11px;font-variant-numeric:tabular-nums;font-weight:760}.diagnostic-requirements strong,.diagnostic-requirements small{display:block}.diagnostic-requirements strong{margin-bottom:3px;font-size:13px}.diagnostic-requirements small{color:var(--ink-faint);font-size:11px;line-height:1.45}.tool-loading,.noscript-notice{padding:22px;border:1px solid var(--line);border-radius:var(--radius);color:var(--ink-soft);background:var(--surface)}.workspace-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.76fr);align-items:start;gap:20px}.workspace-grid.result-mode{grid-template-columns:minmax(0,1fr)}.work-panel,.result-shell,.setup-guide,.connection-check-panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.work-panel,.result-shell,.connection-check-panel.blocked{box-shadow:var(--shadow)}.work-panel{min-height:460px;padding:clamp(28px,5vw,50px);display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.panel-heading{width:100%;margin-bottom:36px;display:flex;align-items:center;justify-content:space-between;gap:16px}.panel-icon,.notice-icon{width:48px;height:48px;display:grid;flex:0 0 auto;place-items:center;border-radius:13px;color:var(--accent);background:var(--accent-soft)}.panel-icon.danger{color:var(--danger);background:var(--danger-soft)}.status-chip{border:1px solid var(--line-strong);border-radius:999px;padding:7px 11px;color:var(--ink-soft);font-size:12px;font-weight:700}.status-chip.connected{border-color:color-mix(in srgb,var(--accent) 38%,var(--line));color:var(--accent);background:var(--accent-soft)}.work-panel h3{max-width:570px;margin-bottom:16px;font-size:clamp(27px,3.2vw,38px);letter-spacing:-.045em;line-height:1.15}.work-panel>p:not(.panel-kicker,.button-helper,.device-meta){max-width:600px;margin-bottom:28px;color:var(--ink-soft);line-height:1.72}.primary-button,.secondary-button,.danger-button,.text-button,.candidate-action{border-style:solid;border-width:1px}.primary-button,.secondary-button,.danger-button{padding-inline:18px}.danger-button{border-color:color-mix(in srgb,var(--danger) 50%,var(--line));color:var(--danger);background:var(--surface)}.danger-button:hover{border-color:var(--danger);background:var(--danger-soft)}.text-button{border-color:transparent;padding-inline:10px;color:var(--ink-soft);background:transparent}.text-button:hover{color:var(--ink)}button:disabled{cursor:wait;opacity:.58;transform:none}.button-helper{margin:14px 0 0;display:flex;align-items:center;gap:7px;color:var(--ink-faint);font-size:12px}.device-meta{margin:-5px 0 25px;color:var(--ink-soft);font-size:13px}.device-meta code{margin-left:5px;color:var(--ink)}.ready-callout,.driver-note,.tool-privacy-note{display:flex;align-items:flex-start;gap:11px;color:var(--ink-soft);background:var(--accent-soft)}.ready-callout{width:100%;margin-bottom:25px;padding:15px;border-radius:12px}.ready-callout svg,.driver-note svg,.tool-privacy-note svg{flex:0 0 auto;color:var(--accent)}.ready-callout p,.driver-note p,.tool-privacy-note p{margin:0;line-height:1.58}.button-row{display:flex;align-items:center;gap:11px;flex-wrap:wrap}.button-row.compact{justify-content:flex-end}.setup-guide{padding:27px}.setup-heading,.section-title-row,.result-header{display:flex;align-items:center;justify-content:space-between;gap:18px}.setup-heading{padding-bottom:21px;border-bottom:1px solid var(--line)}.setup-heading h3,.section-title-row h4{margin:0;letter-spacing:-.025em}.setup-heading h3{font-size:18px}.setup-heading span,.section-title-row>span{color:var(--ink-faint);font-size:12px;white-space:nowrap}.steps{margin:0;padding:25px 0 7px;display:grid;gap:23px;list-style:none}.steps li{display:grid;grid-template-columns:31px 1fr;gap:13px}.steps li>span{width:31px;height:31px;border:1px solid var(--line-strong);border-radius:50%;display:grid;place-items:center;color:var(--accent);font-size:12px;font-weight:800}.steps strong{display:block;margin:4px 0 6px;font-size:14px}.steps p{margin:0;color:var(--ink-soft);font-size:13px;line-height:1.6}.driver-note{margin-top:18px;padding:14px;border-radius:12px;font-size:12px}.loading-panel{align-items:center;text-align:center}.loading-panel>p:not(.panel-kicker){max-width:510px}.loading-art{height:112px;margin-bottom:28px;display:flex;align-items:center}.phone-outline,.browser-outline{display:block;border:2px solid var(--accent);background:var(--accent-soft)}.phone-outline{width:46px;height:78px;padding:7px 5px;border-radius:11px}.phone-screen{width:100%;height:100%;display:block;border-radius:6px;background:var(--surface)}.browser-outline{width:96px;height:68px;padding:13px 10px 8px;border-radius:9px}.browser-outline span{height:7px;margin-bottom:9px;display:block;border-radius:4px;background:color-mix(in srgb,var(--accent) 45%,transparent)}.browser-outline span:last-child{width:65%}.connection-line{width:72px;height:2px;display:block;background:var(--line-strong)}.progress-track{width:min(320px,100%);height:4px;overflow:hidden;border-radius:4px;background:var(--line)}.progress-track span{width:46%;height:100%;display:block;border-radius:inherit;background:var(--accent);animation:loading-scan 1.25s cubic-bezier(.65,0,.35,1) infinite;transform:translate(-110%)}@keyframes loading-scan{to{transform:translate(220%)}}.error-panel .panel-kicker{margin-top:25px;color:var(--danger)}.result-shell{padding:clamp(24px,4vw,42px)}.result-header{margin-bottom:27px}.result-header .panel-kicker{margin:0}.auto-watch-status{display:inline-flex;align-items:center;gap:7px;color:var(--success)}.auto-watch-status>span{width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 0 4px color-mix(in srgb,currentColor 13%,transparent)}.result-overview{display:grid;grid-template-columns:minmax(220px,.72fr) minmax(0,1.28fr);align-items:stretch;gap:14px}.auto-refresh-control{min-height:46px;padding:0 6px 0 14px;border:1px solid var(--line-strong);border-radius:11px;display:inline-flex;align-items:center;gap:8px;color:var(--ink-soft);background:var(--surface);font-size:12px;font-weight:720;white-space:nowrap;transition:color .15s ease,border-color .15s ease}.auto-refresh-control:focus-within,.auto-refresh-control:hover{border-color:var(--accent);color:var(--accent)}.auto-refresh-control select{min-height:34px;border:0;border-radius:7px;padding-inline:8px;color:var(--ink);background:var(--page);font:inherit;cursor:pointer}.auto-refresh-control select:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.auto-refresh-control select:disabled{cursor:not-allowed;opacity:.56}.screenshot-column{min-width:0;display:flex;flex-direction:column}.screenshot-card{min-width:0;flex:1;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:grid;background:#090b0f}.screenshot-frame{min-height:100%;display:grid;place-items:center}.screenshot-frame img{display:block;width:100%;height:100%;max-height:min(82dvh,780px);object-fit:contain;background:#090b0f}.screenshot-placeholder{min-height:320px;padding:28px;display:grid;place-content:center;justify-items:center;gap:12px;color:var(--ink-faint);background:var(--page);text-align:center}.screenshot-placeholder p{margin:0;font-size:12px;line-height:1.6}.screenshot-privacy{margin:9px 4px 0;display:flex;align-items:flex-start;gap:6px;color:var(--ink-faint);font-size:11px;line-height:1.55}.screenshot-privacy svg{flex:0 0 auto;margin-top:1px}.owner-card{padding:23px;border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));border-radius:14px;background:var(--accent-soft)}.owner-summary{display:grid;grid-template-columns:50px minmax(0,1fr) auto;align-items:center;gap:17px}.owner-icon,.candidate-icon{display:grid;place-items:center;font-weight:800;overflow:hidden}.owner-icon{width:50px;height:50px;border-radius:11px;color:var(--on-accent);background:var(--accent-strong);font-size:20px}.owner-icon.has-logo,.candidate-icon.has-logo{background:var(--surface)}.owner-icon img,.candidate-icon img{width:100%;height:100%;object-fit:cover}.owner-copy{min-width:0}.owner-label,.owner-copy strong,.owner-copy code,.candidate-copy strong,.candidate-copy>span{display:block}.owner-label{margin-bottom:6px;color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.08em}.owner-copy strong{overflow-wrap:anywhere;font-size:clamp(17px,2.2vw,21px)}.owner-copy code{margin-top:7px;overflow-wrap:anywhere;color:var(--ink-soft);font-size:11px}.owner-check{color:var(--accent)}.app-details-status,.app-inspection-note{margin:18px 0 0;padding:11px 12px;border-radius:9px;color:var(--ink-soft);background:color-mix(in srgb,var(--surface) 62%,transparent);font-size:12px;line-height:1.55}.app-details-status.warning,.app-inspection-note{color:var(--ink-soft);background:color-mix(in srgb,var(--danger-soft) 48%,var(--surface))}.app-facts{margin:20px 0 0;display:grid;grid-template-columns:minmax(0,1fr);gap:1px;overflow:hidden;border:1px solid color-mix(in srgb,var(--accent) 22%,var(--line));border-radius:10px;background:color-mix(in srgb,var(--accent) 16%,var(--line))}.app-facts div{min-width:0;padding:11px 12px;display:grid;grid-template-columns:minmax(76px,.3fr) minmax(0,1fr);align-items:baseline;gap:14px;background:color-mix(in srgb,var(--surface) 84%,var(--accent-soft))}.app-facts dt{margin:0;color:var(--ink-faint);font-size:10px;letter-spacing:.04em}.app-facts dd{margin:0;overflow-wrap:anywhere;color:var(--ink);font-size:12px;line-height:1.45}.owner-empty{min-height:220px}.owner-actions{display:flex;gap:10px;flex-wrap:wrap}.action-hub{margin-top:18px;padding:13px;border:1px solid color-mix(in srgb,var(--accent) 24%,var(--line));border-radius:12px;background:color-mix(in srgb,var(--accent-soft) 42%,var(--surface))}.stop-button:hover{border-color:var(--danger);color:var(--danger)}.force-stop-confirmation{margin-top:12px;padding:13px;border:1px solid color-mix(in srgb,var(--danger) 38%,var(--line));border-radius:10px;display:flex;align-items:center;justify-content:space-between;gap:16px;background:var(--danger-soft)}.force-stop-confirmation strong{font-size:13px}.force-stop-confirmation p{margin:4px 0 0;color:var(--ink-soft);font-size:11px;line-height:1.5}.confirmation-note{margin:11px 0 0;color:var(--ink-faint);font-size:11px}.action-notice{margin-top:14px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;gap:9px;font-size:13px}.action-notice.success{border-color:color-mix(in srgb,var(--success) 35%,var(--line));color:var(--success);background:var(--success-soft)}.action-notice.error{border-color:color-mix(in srgb,var(--danger) 35%,var(--line));color:var(--danger);background:var(--danger-soft)}.result-section{margin-top:33px}.section-title-row{margin-bottom:15px;align-items:flex-start}.section-title-row h4{margin-bottom:5px;font-size:17px}.section-title-row p{margin:0;color:var(--ink-faint);font-size:12px;line-height:1.5}.candidate-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.candidate{min-width:0;padding:15px;display:grid;grid-template-columns:42px minmax(0,1fr);gap:12px;border:1px solid var(--line);border-radius:12px;background:var(--page)}.candidate-icon{width:42px;height:42px;border-radius:10px;color:var(--accent);background:var(--accent-soft)}.candidate-copy{min-width:0}.candidate strong{margin-bottom:4px;overflow-wrap:anywhere;font-size:14px}.candidate code{display:block;margin-bottom:5px;overflow-wrap:anywhere;color:var(--ink-faint);font-size:10px}.candidate-copy>span{display:block;color:var(--ink-soft);font-size:11px;line-height:1.5}.candidate-action{min-height:34px;margin-top:10px;border-color:var(--line-strong);padding-inline:10px;color:var(--danger);background:var(--surface);font-size:11px}.candidate-action:hover{border-color:var(--danger);background:var(--danger-soft)}.empty-result{padding:18px;border:1px solid var(--line);border-radius:12px;display:flex;align-items:flex-start;gap:12px;color:var(--ink-soft);background:var(--page)}.empty-result svg{flex:0 0 auto;color:var(--accent)}.empty-result strong{display:block;margin-bottom:5px;color:var(--ink)}.empty-result p{margin:0;line-height:1.6}.compact-empty{font-size:13px}.limitations{margin-top:25px;border-top:1px solid var(--line)}.limitations summary{padding-block:16px;display:flex;align-items:center;gap:9px;cursor:pointer;color:var(--ink-soft);font-size:13px;font-weight:700;list-style:none}.limitations summary::-webkit-details-marker{display:none}.limitations summary svg{color:var(--accent)}.limitations ul{margin:0;padding:0 0 0 20px;color:var(--ink-soft);font-size:12px;line-height:1.7}.tool-privacy-note{margin-top:18px;padding:16px 18px;border-radius:12px;font-size:13px}.connection-check-panel{margin-top:18px;padding:clamp(24px,4vw,38px)}.connection-check-panel.blocked{border-color:color-mix(in srgb,var(--danger) 32%,var(--line))}.connection-check-panel.ready{padding-block:20px;border-color:color-mix(in srgb,var(--success) 26%,var(--line))}.connection-check-header,.connection-check-heading{display:flex;align-items:center;gap:17px}.connection-check-header{justify-content:space-between}.connection-check-heading{min-width:0}.connection-check-heading .panel-kicker{margin-bottom:6px}.connection-check-heading h3{margin:0;font-size:clamp(22px,3vw,30px);letter-spacing:-.035em}.connection-check-panel.ready .notice-icon{color:var(--success);background:var(--success-soft)}.connection-check-panel.blocked .notice-icon{color:var(--danger);background:var(--danger-soft)}.connection-check-detail{max-width:820px;margin:22px 0 0;overflow-wrap:anywhere;color:var(--ink-soft);line-height:1.72}.connection-check-panel.ready .connection-check-detail{margin:10px 0 0 65px;font-size:13px}.connection-details{margin-top:20px;border-top:1px solid var(--line)}.connection-details summary{min-height:44px;padding-block:12px;cursor:pointer;color:var(--ink-soft);font-size:13px;font-weight:700}.connection-details-content{padding-top:4px}.environment-checks{margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;list-style:none}.environment-checks li{min-height:48px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;gap:10px;color:var(--ink-soft);font-size:13px}.environment-checks li svg{flex:0 0 auto}.environment-checks .passed svg{color:var(--success)}.environment-checks .failed{border-color:color-mix(in srgb,var(--danger) 28%,var(--line));color:var(--danger);background:var(--danger-soft)}.environment-checks .failed svg{color:var(--danger)}.connection-remedy,.phone-readiness{margin-top:22px;padding:20px;border-radius:12px}.connection-remedy{background:var(--accent-soft)}.connection-remedy>strong,.phone-readiness>strong{display:block;margin-bottom:10px}.connection-remedy ol,.phone-readiness ul{margin:0 0 17px;padding-left:21px;color:var(--ink-soft);line-height:1.72}.connection-remedy>p{margin:13px 0 0;color:var(--ink-faint);font-size:12px;line-height:1.65}.phone-readiness{margin-top:12px;border:1px solid var(--line);background:var(--page)}.phone-readiness ul{margin-bottom:0}.result-guide{padding-block:clamp(72px,8vw,102px)}.result-guide-grid,.boundaries-grid,.privacy-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(430px,1.08fr);align-items:start;gap:clamp(50px,8vw,110px)}.result-guide-copy{padding-top:4px}.result-guide-copy p{margin-bottom:24px;color:var(--ink-soft);font-size:17px;line-height:1.82}.result-guide-copy strong{color:var(--ink)}.boundaries-section{border-top:1px solid var(--line)}.boundary-list{margin:0;border-top:1px solid var(--line-strong)}.boundary-list>div{padding-block:24px;display:grid;grid-template-columns:150px 1fr;gap:26px;border-bottom:1px solid var(--line)}.boundary-list dt{color:var(--ink);font-weight:720}.boundary-list dd{margin:0;color:var(--ink-soft);line-height:1.75}.privacy-copy ul{margin:28px 0 0;padding:0;display:grid;gap:14px;list-style:none}.privacy-copy li{position:relative;padding-left:24px;color:var(--ink-soft);line-height:1.65}.privacy-copy li:before{content:"";position:absolute;top:.68em;left:0;width:8px;height:8px;border-radius:50%;background:var(--accent)}.faq-list{border-top:1px solid var(--line-strong)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{position:relative;padding:25px 42px 25px 0;cursor:pointer;font-size:17px;font-weight:680;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:before,.faq-list summary:after{content:"";position:absolute;top:34px;right:7px;width:14px;height:2px;background:var(--accent)}.faq-list summary:after{transform:rotate(90deg)}.faq-list details[open] summary:after{transform:rotate(0)}.faq-list details p{max-width:680px;margin:-7px 42px 25px 0;color:var(--ink-soft);line-height:1.78}.site-footer{padding-block:34px;border-top:1px solid var(--line)}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}.footer-inner p,.footer-links a{margin:0;color:var(--ink-faint);font-size:13px}.footer-links{display:flex;align-items:center;gap:18px}.footer-links a{min-height:32px;display:inline-flex;align-items:center;text-decoration:none;transition:color .15s ease}.footer-links a:hover{color:var(--accent)}.device-busy-guide{width:100%;max-width:650px;margin:-8px 0 28px;padding:20px;border:1px solid var(--line);border-radius:14px;background:var(--surface-soft)}.device-busy-guide ol{margin:0;padding:0;display:grid;gap:18px;list-style:none}.device-busy-guide li{display:grid;grid-template-columns:30px minmax(0,1fr);gap:12px}.device-busy-guide li>span{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;color:var(--accent);background:var(--accent-soft);font-size:13px;font-weight:760}.device-busy-guide strong{display:block;margin:3px 0 5px;color:var(--ink)}.device-busy-guide p{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.65}.device-busy-guide .device-busy-fallback{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}@media(max-width:980px){.site-header nav{display:none}.hero{min-height:auto}.hero-grid,.problem-grid,.explain-grid,.routes-grid,.result-guide-grid,.boundaries-grid,.privacy-grid,.faq-grid{grid-template-columns:minmax(0,1fr)}.hero-grid{padding-block:72px 82px}.hero-copy{max-width:740px}.hero-visual{width:min(760px,100%)}.sticky-heading{position:static}.explain-visual{order:2}.routes-visual{width:min(760px,100%)}}@media(max-width:820px){.workspace-grid{grid-template-columns:minmax(0,1fr)}.setup-guide{box-shadow:none}}@media(max-width:620px){h1,h2,h3,h4{-webkit-hyphens:auto;hyphens:auto;overflow-wrap:anywhere}.content-width{width:min(100% - 28px,1160px)}.header-inner{min-height:64px;gap:8px}.header-cta{display:inline-flex;max-width:132px;padding-inline:10px;line-height:1.15;text-align:center;white-space:normal}.language-picker>span{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.language-picker select{width:110px}.hero h1{font-size:clamp(42px,13vw,54px)}.hero-grid{padding-block:54px 66px;gap:44px}.hero-actions{align-items:stretch;flex-direction:column}.hero-actions a{width:100%}.workspace-grid>*{min-width:0}.work-panel,.setup-guide{width:100%}.setup-heading{align-items:flex-start;flex-wrap:wrap}.diagnostic-tool :is(button,.primary-link,.secondary-link,.candidate-action){max-width:100%;text-align:center;white-space:normal}.diagnostic-requirements{grid-template-columns:1fr}.diagnostic-requirements li{padding-inline:4px}.diagnostic-requirements li:not(:last-child){border-right:0;border-bottom:1px solid var(--line)}.trust-list{gap:11px 16px;flex-wrap:wrap}.section-space{padding-block:64px}.section-heading h2,.explain-copy h2,.routes-copy h2,.diagnostic-intro h2,.boundaries-grid h2,.privacy-grid h2{font-size:35px}html:lang(zh) :is(.section-heading h2,.explain-copy h2,.routes-copy h2,.diagnostic-intro h2,.boundaries-grid h2,.privacy-grid h2){font-size:35px}.problem-grid,.faq-grid,.explain-grid,.routes-grid,.result-guide-grid,.boundaries-grid,.privacy-grid{gap:38px}.route-row,.boundary-list>div{grid-template-columns:minmax(0,1fr);gap:12px}.work-panel,.result-shell{border-radius:14px}.work-panel{min-height:420px}.result-header{align-items:flex-start;flex-direction:column}.button-row.compact{justify-content:flex-start}.result-overview{grid-template-columns:1fr}.owner-card{order:-1}.owner-summary{grid-template-columns:44px minmax(0,1fr)}.owner-icon{width:44px;height:44px}.owner-check{display:none}.owner-actions,.force-stop-confirmation{align-items:stretch;flex-direction:column}.owner-actions button{width:100%}.candidate-list{grid-template-columns:1fr}.connection-check-header{align-items:flex-start;flex-direction:column}.connection-check-panel.ready .connection-check-detail{margin-left:0}.environment-checks{grid-template-columns:1fr}.footer-inner{align-items:flex-start;flex-direction:column}.footer-links{flex-wrap:wrap}}@media(max-width:420px){.brand>span:last-child{display:none}.app-facts div{grid-template-columns:1fr;gap:4px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important}.progress-track span{animation:none;transform:none}}