:root{--guide-primary:var(--primary);--guide-primary-light:rgba(var(--primary-rgb), .08);--guide-bg:var(--bg);--guide-card-bg:var(--white);--guide-border:var(--border);--guide-text-dark:var(--text-dark);--guide-text-light:var(--text-light);--guide-shadow:0 20px 50px #0000000d;--guide-shadow-hover:0 30px 60px #0000001a;--guide-radius:24px}.hidden{display:none!important}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.btn-platform-switch:focus-visible,.help-toggle-btn:focus-visible,.help-tab-btn:focus-visible,.btn-download-tv:focus-visible,.smart-header-card:focus-visible{outline:3px solid var(--guide-primary);outline-offset:4px}.btn-platform-switch,.help-toggle-btn,.help-tab-btn,.btn-download-tv{min-height:48px}.guide-hero{background:var(--surface);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);text-align:center;border-bottom:1px solid var(--border);padding:clamp(120px,16vh,160px) 24px clamp(60px,10vh,90px);position:relative;overflow:hidden}.guide-hero:before{content:"";background:radial-gradient(circle at 20% 20%, rgba(var(--primary-rgb), .08) 0%, transparent 50%), radial-gradient(circle at 80% 80%, rgba(var(--primary-rgb), .08) 0%, transparent 50%);pointer-events:none;z-index:0;position:absolute;inset:0}.guide-hero h1{font-family:var(--font-heading);color:var(--text-dark);letter-spacing:-.03em;z-index:1;margin-bottom:20px;font-size:clamp(2.25rem,6.5vw,4.25rem);font-weight:800;line-height:1.15;position:relative}.guide-hero p{color:var(--text-light);z-index:1;max-width:680px;margin:0 auto;font-size:clamp(1.05rem,2vw,1.25rem);line-height:1.65;position:relative}.guide-section{max-width:var(--max-width);margin:0 auto;padding:80px 24px;transition:padding .4s,opacity .4s;scroll-margin-top:calc(var(--nav-height,80px) + var(--campaign-banner-height,0px) + 24px)!important}.guide-section.is-collapsed{padding:20px 24px!important}.guide-section+.guide-section{padding-top:0}.guide-smart-header{display:none;height:auto!important;margin-top:24px!important;margin-bottom:24px!important}.guide-section.is-collapsed .guide-smart-header{animation:.5s ease-out forwards fadeInDown;display:block}.guide-section.is-collapsed .guide-adaptive-content{display:none!important}.smart-header-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;box-shadow:var(--shadow);justify-content:space-between;align-items:center;transition:transform .25s,border-color .25s,box-shadow .25s;display:flex;height:auto!important;padding:32px 40px!important}.smart-header-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-3px)}.smart-header-info{align-items:center;gap:20px;display:flex}.smart-header-icon{background:var(--primary-light);width:56px;height:56px;color:var(--primary);border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;display:flex}.smart-header-text h3{font-family:var(--font-heading);color:var(--text-dark);margin:0 0 4px;font-size:1.35rem;font-weight:800}.smart-header-text p{color:var(--text-light);margin:0;font-size:.95rem}.smart-header-action{font-family:var(--font-heading);color:var(--primary);align-items:center;gap:10px;font-size:.95rem;font-weight:700;display:flex}.section-title-center{text-align:center;flex-direction:column;align-items:center;gap:12px;margin-bottom:48px;padding-top:24px;display:flex}.section-title-center .badge{background:var(--primary-light);color:var(--primary);letter-spacing:.02em;border-radius:100px;align-items:center;gap:8px;margin:0;padding:8px 18px;font-size:.85rem;font-weight:700;transition:transform .2s;display:inline-flex}.section-title-center .badge:hover{transform:translateY(-1px)}.section-title-center h2{font-family:var(--font-heading);color:var(--text-dark);letter-spacing:-.03em;margin:0;font-size:clamp(2rem,5vw,3.25rem);font-weight:800;line-height:1.15}.section-title-center p{color:var(--text-light);max-width:620px;margin:0;font-size:clamp(1rem,2vw,1.15rem);line-height:1.6}.platform-pill-switcher{background:var(--surface-light);border:1px solid var(--border);width:fit-content;box-shadow:var(--shadow-sm);border-radius:100px;gap:6px;margin:0 auto 48px;padding:6px;display:flex}.btn-platform-switch{min-height:44px;color:var(--text-muted);font-family:var(--font-heading);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:100px;align-items:center;gap:10px;padding:10px 24px;font-size:.95rem;font-weight:700;transition:all .25s;display:flex}.btn-platform-switch:hover{color:var(--primary);background:var(--primary-light)}[data-theme=dark] .btn-platform-switch:hover:not(.active),[data-theme=dark] .switcher-btn:hover:not(.active){background:rgba(var(--primary-rgb), .15)!important;color:var(--primary)!important}.btn-platform-switch.active{background:var(--surface);color:var(--primary);border-color:var(--border);box-shadow:var(--shadow-sm)}.btn-platform-switch.active:hover{color:var(--primary);background:var(--surface)}.btn-platform-switch img{opacity:.95;width:18px;height:18px;transition:transform .2s}.btn-platform-switch.active img{transform:scale(1.08);opacity:1!important}.platform-pill-switcher .switcher-btn img,.platform-pill-switcher .switcher-btn.active img{filter:none!important;opacity:1!important}.pc-guide-card{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow);grid-template-columns:1fr 1.2fr;gap:48px;padding:clamp(28px,4vw,48px);transition:all .3s;display:grid}.pc-guide-card.hidden{display:none!important}.pc-download-info{background:var(--surface-light);border-radius:var(--radius);text-align:center;border:1px solid var(--border);flex-direction:column;align-items:center;padding:32px 24px;display:flex}.pc-download-info h3{font-family:var(--font-heading);color:var(--text-dark);margin-bottom:8px;font-size:1.35rem;font-weight:800}.pc-download-info p{color:var(--text-light);margin-bottom:12px;font-size:.95rem;line-height:1.5}.guide-detected-badge{background:var(--primary-light);color:var(--primary);border:1px solid rgba(var(--primary-rgb), .15);border-radius:50px;align-items:center;gap:8px;margin-bottom:20px;padding:6px 14px;font-size:.85rem;font-weight:700;display:inline-flex}.tv-logo{object-fit:contain;filter:drop-shadow(0 2px 8px #00000014);width:auto;max-width:100%;height:54px;margin-bottom:16px;transition:transform .3s cubic-bezier(.16,1,.3,1),filter .3s;display:inline-block}.tv-logo:hover{transform:translateY(-2px)scale(1.04)}.tv-logo.logo-platform{height:46px}[data-theme=dark] .tv-logo{filter:drop-shadow(0 4px 12px #0000004d)}[data-theme=dark] .tv-logo[src*=apple\.svg]{filter:brightness(0)invert()drop-shadow(0 4px 12px #fff3)}.btn-download-tv{background:linear-gradient(135deg, var(--primary), var(--primary-dark));color:var(--white);border-radius:var(--radius-sm);font-family:var(--font-heading);width:100%;box-shadow:0 8px 20px rgba(var(--primary-rgb), .25);justify-content:center;align-items:center;gap:10px;margin:16px 0 12px;padding:16px 28px;font-size:1.05rem;font-weight:700;text-decoration:none;transition:all .25s;display:flex}.btn-download-tv:hover{box-shadow:0 12px 28px rgba(var(--primary-rgb), .35);transform:translateY(-2px)}.download-note{color:var(--text-muted);font-size:.82rem;margin:0 0 16px!important}.official-download-container{border-top:1px dashed var(--border);text-align:center;width:100%;margin-top:16px;padding-top:16px}.official-download-text{color:var(--text-muted);font-size:.85rem;line-height:1.4;margin-bottom:8px!important}.official-download-link{color:var(--primary);text-underline-offset:3px;align-items:center;gap:6px;font-size:.88rem;font-weight:700;text-decoration:underline;transition:color .2s;display:inline-flex}.download-trust-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);text-align:left;width:100%;margin-top:20px;padding:18px 20px}.download-trust-box h4{font-family:var(--font-heading);color:var(--text-dark);align-items:center;gap:8px;margin:0 0 12px;font-size:.95rem;font-weight:700;display:flex}.download-trust-box h4 svg,.download-trust-box h4 i{color:#22c55e}.download-trust-box ul{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.download-trust-box li{color:var(--text-light);align-items:flex-start;gap:10px;font-size:.85rem;line-height:1.5;display:flex}.download-trust-box li span{flex:1}.download-trust-box li svg,.download-trust-box li i{color:var(--primary);flex-shrink:0;width:18px;min-width:18px;height:18px;margin-top:2px}.download-help-callout{background:var(--primary-light);border:1px solid rgba(var(--primary-rgb), .2);border-radius:var(--radius-sm);text-align:left;align-items:center;gap:14px;width:100%;margin-top:14px;padding:16px;display:flex}.download-help-callout svg,.download-help-callout i{color:var(--primary);flex-shrink:0;width:24px;height:24px}.download-help-callout strong{color:var(--text-dark);margin-bottom:2px;font-size:.88rem;display:block}.download-help-callout p{color:var(--text-light);font-size:.82rem;margin:0!important}.download-help-callout a{color:var(--primary);font-weight:700;text-decoration:underline}.official-download-link:hover{color:var(--primary-dark)}.btn-app-store-pill{border-radius:16px;align-items:center;gap:16px;width:100%;margin:24px 0;padding:16px 24px;text-decoration:none;transition:all .3s;display:flex}.btn-android-green{color:#000;background:#3ddc84}.btn-apple-black{color:#fff;background:#000}.store-info{text-align:left;flex-direction:column;display:flex}.store-info span:first-child{opacity:.8;font-size:.75rem}.store-info span:last-child{font-size:1.1rem;font-weight:800}.step-v-container{flex-direction:column;gap:36px;display:flex;position:relative}.step-v-container:before{content:"";background:linear-gradient(to bottom, var(--primary), var(--border));opacity:.6;z-index:0;width:2px;position:absolute;top:24px;bottom:24px;left:24px;transform:translate(-50%)}.step-v-item{z-index:1;align-items:flex-start;gap:20px;transition:transform .25s;display:flex;position:relative}.step-v-item:hover{transform:translate(4px)}.step-v-number{z-index:2;background:var(--surface);border:2px solid var(--primary);width:48px;height:48px;color:var(--primary);font-family:var(--font-heading);box-shadow:var(--shadow-sm);border-radius:14px;flex-shrink:0;justify-content:center;align-items:center;font-size:1.2rem;font-weight:800;transition:all .25s cubic-bezier(.16,1,.3,1);display:flex;position:relative}.step-v-item:hover .step-v-number{background:linear-gradient(135deg, var(--primary), var(--primary-dark));color:var(--white);box-shadow:0 6px 16px rgba(var(--primary-rgb), .35);border-color:#0000;transform:scale(1.06)}.step-v-content h4{font-family:var(--font-heading);color:var(--text-dark);margin:0 0 6px;font-size:1.25rem;font-weight:800;line-height:1.3}.step-v-content p{color:var(--text-light);margin:0;font-size:.95rem;line-height:1.65}.detailed-help-section{border-top:1px solid var(--border);grid-column:1/-1;margin-top:36px;padding-top:36px}.help-toggle-btn{background:var(--surface-light);color:var(--primary);border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font-heading);cursor:pointer;align-items:center;gap:12px;margin-bottom:24px;padding:14px 24px;font-size:.95rem;font-weight:700;transition:all .25s;display:flex}.help-toggle-btn:hover,.help-toggle-btn.active{background:var(--primary-light);border-color:rgba(var(--primary-rgb), .3);color:var(--primary-dark);box-shadow:var(--shadow-sm)}.help-toggle-btn svg{transition:transform .3s}.help-toggle-btn.active svg{transform:rotate(180deg)}.help-content-wrapper{animation:.5s fadeIn;display:none}.help-content-wrapper.active{display:block}.help-sub-switcher{background:var(--surface-light);border-radius:var(--radius-sm);border:1px solid var(--border);gap:4px;width:fit-content;margin-bottom:28px;padding:5px;display:flex}.help-tab-btn{border-radius:var(--radius-xs,8px);font-family:var(--font-heading);cursor:pointer;color:var(--text-muted);background:0 0;border:1px solid #0000;align-items:center;gap:8px;padding:10px 20px;font-size:.9rem;font-weight:700;transition:all .2s;display:flex}.help-tab-btn:hover:not(.active){color:var(--primary);background:rgba(var(--primary-rgb), .12)}.help-tab-btn.active{background:var(--surface);color:var(--primary);border-color:var(--border);box-shadow:var(--shadow-sm)}.help-view{display:none}.help-view.active{display:block}.help-card{background:var(--surface-light);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:clamp(24px,3vw,36px)}.help-card h3{font-family:var(--font-heading);color:var(--text-dark);align-items:center;gap:12px;margin-bottom:24px;font-size:1.35rem;font-weight:800;display:flex}.help-card h3 svg,.help-card h3 i{color:var(--primary);flex-shrink:0}.visual-steps{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;display:grid}.visual-step{background:var(--surface-light);border-radius:var(--radius);border:1px solid var(--border);padding:24px;transition:transform .25s,box-shadow .25s}.visual-step:hover{box-shadow:var(--shadow-sm);transform:translateY(-2px)}.v-step-header{align-items:flex-start;gap:14px;margin-bottom:16px;display:flex}.v-step-number{background:linear-gradient(135deg, var(--primary), var(--primary-dark));width:36px;height:36px;color:var(--white);font-family:var(--font-heading);box-shadow:0 4px 12px rgba(var(--primary-rgb), .25);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;font-size:1rem;font-weight:800;display:flex}.v-step-text h4{font-family:var(--font-heading);color:var(--text-dark);margin:0 0 4px;font-size:1.1rem;font-weight:700;line-height:1.3}.v-step-text p{color:var(--text-light);margin:0;font-size:.92rem;line-height:1.55}.v-step-image{border-radius:var(--radius-sm);border:1px solid var(--border);aspect-ratio:16/10;cursor:zoom-in;position:relative;overflow:hidden}.v-step-image:after{content:attr(data-hint);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);opacity:0;pointer-events:none;border-radius:100px;padding:5px 12px;font-size:.75rem;font-weight:600;transition:all .25s;position:absolute;bottom:10px;right:10px;transform:translateY(4px);box-shadow:0 4px 12px #0006;color:#fff!important;background:#0f172ae0!important;border:1px solid #ffffff40!important}.v-step-image:hover:after{opacity:1;transform:translateY(0)}.v-step-image img{object-fit:cover;width:100%;height:100%;transition:transform .35s cubic-bezier(.16,1,.3,1)}.v-step-image:hover img{transform:scale(1.04)}.security-note{background:#22c55e14;border:1px solid #22c55e33;border-left:4px solid #22c55e;border-radius:12px;align-items:flex-start;gap:14px;margin:32px 0;padding:18px 22px;display:flex}.security-note svg,.security-note i{color:#22c55e;flex-shrink:0;width:22px;height:22px;margin-top:2px}.security-note p{color:var(--text-dark);margin:0;font-size:.95rem;line-height:1.55}.security-note strong{color:var(--text-dark);font-weight:700}.security-note.info-note{border-color:#2563eb33;border-left-color:var(--primary);background:#2563eb14}.security-note.info-note svg,.security-note.info-note i{color:var(--primary)}@media (width<=480px){.security-note{border-radius:10px;gap:12px;padding:14px 16px}}.video-container{border-radius:var(--radius);aspect-ratio:16/9;border:1px solid var(--border);box-shadow:var(--shadow-md);background:#000;position:relative;overflow:hidden}.video-overlay{cursor:pointer;z-index:2;background:radial-gradient(circle,#0000004d 0%,#000000bf 100%);justify-content:center;align-items:center;transition:opacity .3s;display:flex;position:absolute;inset:0}.play-circle-btn{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:#fff;background:#ffffff38;border:2px solid #ffffffd9;border-radius:50%;justify-content:center;align-items:center;width:76px;height:76px;transition:transform .3s cubic-bezier(.16,1,.3,1),background .3s,border-color .3s;display:flex;box-shadow:0 10px 30px #0006}.video-overlay:hover .play-circle-btn{background:#ffffff61;border-color:#fff;transform:scale(1.12);box-shadow:0 14px 40px #00000080}.video-placeholder{background:var(--surface);border:2px dashed var(--border);border-radius:var(--radius-sm);height:100%;color:var(--text-muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:32px 20px;display:flex}.video-placeholder svg,.video-placeholder i{color:var(--primary);width:36px;height:36px}.lightbox-modal{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);z-index:100000;opacity:0;visibility:hidden;pointer-events:none;background:#0b0f19e0;justify-content:center;align-items:center;padding:clamp(20px,4vw,48px);transition:opacity .3s,visibility .3s;display:flex;position:fixed;inset:0}.lightbox-modal.active{opacity:1;visibility:visible;pointer-events:auto}.lightbox-modal img{border-radius:var(--radius);border:1px solid #ffffff26;max-width:92vw;max-height:88vh;transition:transform .3s cubic-bezier(.16,1,.3,1);transform:scale(.95);box-shadow:0 25px 60px #0009}.lightbox-modal.active img{transform:scale(1)}.lightbox-close{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:#fff;text-align:center;cursor:pointer;z-index:100001;background:#ffffff26;border:1px solid #ffffff40;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;padding:0 0 2px;font-family:system-ui,-apple-system,sans-serif;font-size:1.5rem;line-height:1;transition:all .25s;display:flex;position:absolute;top:28px;right:28px;box-shadow:0 8px 20px #00000059}.lightbox-close:hover{color:#fff;background:#ffffff4d;transform:scale(1.08)}.lightbox-close:focus-visible{outline:3px solid var(--primary-light,#60a5fa);outline-offset:3px}@media (width<=1024px){.pc-guide-card{grid-template-columns:1fr;gap:40px;padding:40px}}@media (width<=768px){.guide-section{padding:80px 20px 40px}.pc-guide-card,.pc-download-info{padding:32px 20px}.smart-header-card{text-align:center;flex-direction:column;gap:20px;padding:24px}.smart-header-info{flex-direction:column}.section-title-center{text-align:center!important;flex-direction:column!important;align-items:center!important;margin-top:40px!important}.section-title-center h2{font-size:2.25rem;margin-bottom:6px!important;line-height:1.2!important}.section-title-center p{margin-top:0!important;line-height:1.4!important}.section-title-center .badge{margin-bottom:10px!important}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}[data-theme=dark] .pc-download-info{background:var(--bg)!important;border-color:var(--border)!important}[data-theme=dark] .help-sub-switcher{background:var(--bg)!important;border:1px solid var(--border)!important}[data-theme=dark] .visual-step{background:var(--bg)!important;border-color:var(--border)!important}[data-theme=dark] .security-note{background:#22c55e1f;border-color:#22c55e4d #22c55e4d #22c55e4d #22c55e}[data-theme=dark] .security-note p{color:var(--text-dark)}[data-theme=dark] .security-note strong{color:#86efac}[data-theme=dark] .security-note.info-note{background:#2563eb26;border-color:#2563eb4d #2563eb4d #2563eb4d #60a5fa}[data-theme=dark] .security-note.info-note svg,[data-theme=dark] .security-note.info-note i{color:#60a5fa}[data-theme=dark] .security-note.info-note strong{color:#93c5fd}[data-theme=dark] .guide-detected-badge{color:#34d399!important;background:#10b98126!important}.btn-apple-black img[src*=apple\.svg],.btn-apple-black img[src*=apple],[data-theme=dark] .btn-platform-switch img[src*=apple],[data-theme=dark] .switcher-btn img[src*=apple],[data-theme=dark] .pc-download-info img[src*=apple],[data-theme=dark] img[src*=teamviewer\.svg],[data-theme=dark] .tv-logo[src*=teamviewer]{filter:brightness(0)invert()!important}[data-theme=dark] .btn-apple-black{color:#fff!important;background:#1e293b!important;border:1px solid #ffffff26!important}[data-theme=dark] .btn-apple-black:hover{background:#334155!important;border-color:#ffffff4d!important}@media (width<=320px){.guide-hero{padding:80px 12px 40px!important}.guide-hero h1{font-size:1.5rem!important}.guide-section{padding:40px 8px 20px!important}.pc-guide-card{border-radius:16px!important;gap:20px!important;padding:16px 10px!important}.pc-download-info{padding:20px 10px!important}.platform-pill-switcher{border-radius:100px!important;grid-template-columns:1fr 1fr!important;gap:4px!important;width:100%!important;max-width:360px!important;margin:0 auto 30px!important;padding:4px!important;display:grid!important}.btn-platform-switch{white-space:nowrap!important;border-radius:100px!important;justify-content:center!important;gap:8px!important;width:100%!important;padding:10px 12px!important;font-size:.88rem!important}.smart-header-card{border-radius:16px!important;gap:12px!important;padding:16px 10px!important}.smart-header-icon{width:48px!important;height:48px!important}.step-v-container{gap:24px!important}.step-v-container:before{top:36px!important;left:17px!important}.step-v-item{gap:12px!important}.step-v-number{border-radius:10px!important;width:36px!important;height:36px!important;font-size:1rem!important}.btn-download-tv{border-radius:12px!important;gap:8px!important;margin:16px 0!important;padding:12px 16px!important;font-size:.95rem!important}.btn-download-tv svg,.btn-download-tv i{width:18px!important;height:18px!important}.help-toggle-btn{justify-content:center!important;width:100%!important;padding:10px 16px!important;font-size:.9rem!important}.help-sub-switcher{border-radius:14px!important;grid-template-columns:1fr 1fr!important;gap:4px!important;width:100%!important;max-width:360px!important;margin:0 auto 20px!important;padding:4px!important;display:grid!important}.help-tab-btn{white-space:nowrap!important;border-radius:10px!important;justify-content:center!important;width:100%!important;padding:9px 10px!important;font-size:.85rem!important}.visual-steps{grid-template-columns:1fr!important;gap:16px!important}.visual-step{border-radius:12px!important;padding:16px 12px!important}}