:root{--color-brand: #59c8e5;--color-brand-tint: #eafaff;--color-brand-soft: rgba(89, 200, 229, .08);--color-ink: #2a2a2a;--color-heading: #2c3e50;--color-muted: #666;--color-error: #c53030;--font-serif: "PMingLiU", "MingLiU", "Songti TC", "STSong", serif;--font-sans: "Inter", -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 1rem;--radius-pill: 999px;--z-header: 1000;--z-drawer-backdrop: 999;--z-drawer: 1001;--z-modal: 1050;--z-consent: 1100;--header-height: 80px;--gutter-line-x: 72px;--paper-bg: #f6f8f8;--paper-surface: #fffdf8;--paper-surface-bg: radial-gradient(rgba(120, 97, 60, .035) .55px, transparent .55px), linear-gradient(180deg, rgba(255, 255, 255, .72), rgba(248, 241, 229, .72)), var(--paper-surface);--paper-shadow-raised: 0 1px 0 rgba(255, 255, 255, .9) inset, 0 -1px 0 rgba(0, 0, 0, .04) inset, 0 8px 18px rgba(68, 56, 35, .12);--paper-shadow-raised-hover: 0 1px 0 rgba(255, 255, 255, .9) inset, 0 -1px 0 rgba(0, 0, 0, .06) inset, 0 12px 24px rgba(68, 56, 35, .16);--neumo-inset: inset 4px 4px 8px #d1d1d1, inset -4px -4px 8px #ffffff;--neumo-btn: 5px 5px 10px #d1d1d1, -5px -5px 10px #ffffff;--neumo-btn-hover: 7px 7px 14px #cecece, -6px -6px 12px #ffffff;--paper-focus-ring: 0 0 0 3px rgba(89, 200, 229, .16);--body-text-size: 1.3rem}:root.android-mobile{--paper-bg: #fff;--paper-surface: #fff;--paper-surface-bg: #fff}body.drawer-open{overflow:hidden}.cta-section{text-align:center;padding:4rem 2rem;background:transparent}.join-group{background-color:var(--color-brand);color:var(--color-ink);border:none;padding:1rem 3rem;font-size:1.1rem;font-weight:600;border-radius:50px;cursor:pointer;transition:all .3s ease;text-decoration:none;display:inline-block}.join-group:hover{background-color:var(--color-brand);transform:translateY(-3px)}.about-hero{background:var(--paper-surface-bg);color:#2a2a2a;text-align:center;display:flex;align-items:center;justify-content:center;padding:8rem 2rem 6rem;min-height:50vh}.step-card{background:#fff;border:1px solid #000;border-radius:12px;box-shadow:none;position:relative;padding:2rem 2rem 2rem 5rem;transition:transform .3s ease,border-color .3s ease}.step-card:hover{transform:translateY(-3px)}.step-number{position:absolute;left:1rem;top:2rem;width:50px;height:50px;background:linear-gradient(135deg,var(--color-brand) 0%,#ebebeb 100%);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700}.step-card h3{color:#2c3e50;margin-top:.5rem;margin-bottom:1rem;font-size:1.5rem}.step-card p{color:#666;line-height:1.8;margin-bottom:1rem}.step-card ul{list-style:none;padding-left:0;margin-top:1rem}.step-card ul li{color:#666;line-height:1.8;padding-left:1.5rem;position:relative;margin-bottom:.5rem}.step-card ul li:before{content:"✓";position:absolute;left:0;color:var(--color-brand);font-weight:700}.step-card ul li.highlight-action{background:linear-gradient(135deg,var(--color-brand-soft) 0%,var(--color-brand-soft) 100%);padding:1rem 2.5rem;border-radius:8px;margin-left:-.5rem;margin-right:-.5rem;font-weight:600;color:#2c3e50;border-left:3px solid var(--color-brand)}.step-card ul li.highlight-action:before{content:"🎉";color:inherit;left:.5rem}.step-card ul li a,.step-card p a{color:var(--color-brand);text-decoration:none;font-weight:500;transition:color .3s ease}.step-card ul li a:hover,.step-card p a:hover{color:var(--color-brand);text-decoration:underline}@media(max-width:900px){.step-card{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;column-gap:.85rem;row-gap:1rem;padding:1.5rem}.step-number{position:static;transform:none;width:42px;height:42px;font-size:1.2rem;flex-shrink:0}.step-card h3{margin:0}.step-card>:nth-child(n+3){grid-column:1 / -1}}.hero-content{max-width:800px}.section{max-width:1200px;margin:0 auto;padding:4rem 2rem}.section-title{text-align:center;font-size:2.5rem;margin-bottom:3rem;color:#2c3e50;font-weight:700}.installation-steps{background:var(--paper-surface-bg)}.steps-container{max-width:900px;margin:0 auto;display:grid;gap:2rem}.tips-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}.tip-card{background:transparent;border:1px solid #000;padding:2rem;border-radius:12px;box-shadow:none;transition:transform .3s ease,border-color .3s ease}.tip-card:hover{transform:translateY(-3px)}.tip-card h3{color:#2c3e50;margin-bottom:1rem;font-size:1.4rem}.tip-card p{color:#666;line-height:1.8}.troubleshooting{background:transparent}.faq-container{max-width:800px;margin:0 auto}.faq-item{background:transparent;border:1px solid #000;padding:2rem;border-radius:12px;margin-bottom:1.5rem;box-shadow:none}.faq-item h4{color:#2c3e50;margin-bottom:1rem;font-size:1.2rem}.faq-item p{color:#666;line-height:1.8}.faq-item p a{color:var(--color-brand);text-decoration:none;font-weight:500;transition:color .3s ease}.faq-item p a:hover{color:var(--color-brand);text-decoration:underline}.faq-item code{background:#f8f9fa;padding:.2rem .6rem;border-radius:4px;font-family:Courier New,monospace;color:var(--color-brand);font-size:.95rem}@media(max-width:900px){.section-title{font-size:2rem}.tips-grid{grid-template-columns:1fr}}.section-subtitle{text-align:center;font-size:1.1rem;color:#666;max-width:800px;margin:0 auto 2rem;line-height:1.8}.install-page-section{position:relative}.install-page-section .section-title{text-align:left;padding-left:.85rem}.install-page-section:after{content:"";position:absolute;left:6rem;right:2.25rem;bottom:0;height:1px;background:#0000001f;pointer-events:none}@media(max-width:900px){.install-page-section:after{left:2rem;right:2rem}.install-page-section .section-title{padding-left:.4rem}}.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:2rem}.steps-grid .step-card{background:var(--paper-surface);padding:2rem;border-radius:12px;box-shadow:var(--paper-shadow-raised);text-align:center;transition:transform .3s ease,box-shadow .3s ease}.steps-grid .step-card:hover{transform:translateY(-5px);box-shadow:var(--paper-shadow-raised-hover)}.steps-grid .step-number{width:60px;height:60px;background:linear-gradient(135deg,var(--color-brand) 0%,#eafaff 100%);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.8rem;font-weight:700;margin:0 auto 1.5rem}.steps-grid .step-card h3{color:#2c3e50;margin-bottom:1rem;font-size:1.3rem}.steps-grid .step-card p{color:#666;line-height:1.8}.features-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:2rem}.feature-item{background:var(--paper-surface);padding:2rem;border-radius:12px;border-left:4px solid var(--color-brand);transition:transform .3s ease,box-shadow .3s ease;box-shadow:var(--paper-shadow-raised)}.feature-item:hover{box-shadow:var(--paper-shadow-raised-hover);transform:translate(5px)}.feature-item h3{color:#2c3e50;margin-bottom:.75rem;font-size:1.3rem}.feature-item p{color:#666;line-height:1.8}.navigation-grid,.shortcuts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-top:2rem}.navigation-card,.shortcuts-card{background:var(--paper-surface);padding:2rem;border-radius:12px;box-shadow:var(--paper-shadow-raised)}.navigation-card h3,.shortcuts-card h3{color:var(--color-brand);margin-bottom:1.5rem;font-size:1.4rem;text-align:center}.navigation-card ul,.shortcuts-card ul{list-style:none;padding:0}.navigation-card li,.shortcuts-card li{padding:.75rem 0;border-bottom:1px solid #e0e0e0;color:#555;line-height:1.8}.navigation-card li:last-child,.shortcuts-card li:last-child{border-bottom:none}.navigation-card strong,.shortcuts-card strong{color:#2c3e50}.customization-content,.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-top:2rem}.customization-item,.info-card{background:var(--paper-surface);padding:2rem;border-radius:12px;box-shadow:var(--paper-shadow-raised);transition:transform .3s ease,box-shadow .3s ease}.customization-item:hover,.info-card:hover{transform:translateY(-5px);box-shadow:var(--paper-shadow-raised-hover)}.customization-item h3,.info-card h3{color:var(--color-brand);margin-bottom:1rem;font-size:1.3rem}.customization-item p,.info-card p{color:#666;line-height:1.8}.troubleshooting-content{max-width:900px;margin:0 auto;margin-top:2rem}.troubleshooting-item{background:var(--paper-surface);padding:2rem;border-radius:12px;margin-bottom:1.5rem;border-left:4px solid #ff6b6b;box-shadow:var(--paper-shadow-raised)}.troubleshooting-item h3{color:#2c3e50;margin-bottom:1rem;font-size:1.3rem}.troubleshooting-item p{color:#666;line-height:1.8}.inline-icon{width:20px;height:20px;display:inline-block;margin:0 10px;vertical-align:sub}.info-box{margin-top:16px;padding:16px;background-color:#e3f2fd;border-left:4px solid var(--color-brand);border-radius:4px;display:flex;gap:12px}.info-box:before{content:"";width:24px;height:24px;flex-shrink:0;margin-top:2px;background-image:url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"><circle cx="12" cy="12" r="10" stroke="%232196f3" stroke-width="2.5" /><circle cx="12" cy="8" r="1.5" fill="%232196f3" /><path d="M12 11V17" stroke="%232196f3" stroke-width="2.5" stroke-linecap="round" /></svg>');background-size:contain;background-repeat:no-repeat}.info-content{flex:1;color:var(--color-brand);line-height:1.6}.install-button{display:inline-flex;align-items:center;gap:10px;padding:12px 24px;margin-top:16px;background-color:var(--color-brand);color:var(--color-ink);text-decoration:none;border-radius:6px;font-weight:600;transition:background-color .3s ease;cursor:pointer}.install-button:hover{background-color:var(--color-brand)}.install-button:active{transform:scale(.98)}.button-icon{width:24px;height:24px;display:block}@media(max-width:900px){.steps-grid,.features-list,.navigation-grid,.shortcuts-grid,.customization-content,.info-grid{grid-template-columns:1fr;gap:1.5rem}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-serif);background-color:var(--paper-bg);background-image:radial-gradient(rgba(120,97,60,.05) .6px,transparent .6px),linear-gradient(180deg,#ffffff73,#ece5d659);background-size:3px 3px,100% 100%;color:var(--color-ink)}body.android-mobile{background-color:#fff;background-image:none}:where(main p,main li,main label,main input,main textarea,main select){font-size:var(--body-text-size)}#app{min-height:100vh}.global-left-line{position:fixed;inset-inline-start:var(--gutter-line-x);top:var(--header-height);bottom:0;width:1px;background:#0000001f;pointer-events:none;z-index:2}main{margin-top:var(--header-height)}@media(max-width:1200px){.global-left-line{display:none}}:where(input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=file]),textarea,select){background:#fff!important;box-shadow:var(--neumo-inset)!important;border:none!important;border-radius:9999px!important;inline-size:min(100%,560px)!important;margin-inline:auto;color:#0f4b5a}:where(input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=file]),textarea,select):focus{outline:none;border-color:transparent;box-shadow:var(--neumo-inset),var(--paper-focus-ring)!important}:where(textarea){border-radius:18px!important;min-height:8.5rem}:where(.cta-button,.join-group,.submit-button,.newsletter-button,.load-more-btn,.scroll-top,.install-button,.clear-all-btn,.tag-btn,.archive-btn){border-radius:6px!important;border-top:4px solid rgba(255,255,255,.95)!important;border-left:4px solid rgba(255,255,255,.95)!important;border-right:none!important;border-bottom:none!important;background:transparent!important;color:#111!important;font-family:PMingLiU,MingLiU,Songti TC,STSong,serif!important;font-weight:700!important;box-shadow:0 10px 18px #0003,-4px -4px 10px #fffffff2!important;transition:transform .2s ease,background-color .2s ease!important}:where(.cta-button,.join-group,.submit-button,.newsletter-button,.load-more-btn,.scroll-top,.install-button,.clear-all-btn,.tag-btn,.archive-btn):hover{background:#0000000a!important}:where(.cta-button,.join-group,.submit-button,.newsletter-button,.load-more-btn,.scroll-top,.install-button,.clear-all-btn,.tag-btn,.archive-btn):active{transform:scale(.98)}.paper-surface-card{background:var(--paper-surface);box-shadow:var(--paper-shadow-raised);border-radius:1rem}.paper-surface-card-hover{transition:transform .2s ease,box-shadow .2s ease}.paper-surface-card-hover:hover{transform:translateY(-2px);box-shadow:var(--paper-shadow-raised-hover)}.paper-form-control{background:#fff!important;box-shadow:var(--neumo-inset)!important;border:none!important;border-radius:9999px!important;color:#0f4b5a}.paper-form-control:focus{outline:none;box-shadow:var(--neumo-inset),var(--paper-focus-ring)!important}.paper-btn{border-radius:6px;border-top:4px solid rgba(255,255,255,.95);border-left:4px solid rgba(255,255,255,.95);border-right:none;border-bottom:none;background:transparent;color:#111;font-family:PMingLiU,MingLiU,Songti TC,STSong,serif;font-weight:700;box-shadow:0 10px 18px #0003,-4px -4px 10px #fffffff2;transition:transform .2s ease,background-color .2s ease}.paper-btn:hover:not(:disabled){background:#0000000a}.paper-btn:active:not(:disabled){transform:scale(.98)}.paper-alert{padding:.9rem 1rem;border-radius:8px;display:flex;align-items:center;gap:.5rem;font-size:.9rem}.paper-alert-error{background-color:#fff5f5;border:1px solid #feb2b2;color:#c53030}.paper-alert-success{background-color:#f0fff4;border:1px solid #9ae6b4;color:#276749}.paper-section-shell{background-color:var(--paper-bg);background-image:radial-gradient(rgba(120,97,60,.05) .6px,transparent .6px),linear-gradient(180deg,#ffffff73,#ece5d659);background-size:3px 3px,100% 100%}body.android-mobile .paper-section-shell,body.android-mobile .about-hero,body.android-mobile .blog-hero,body.android-mobile .login-page,body.android-mobile .auth-section,body.android-mobile .callback-section,body.android-mobile .user-layout{background-color:#fff!important;background-image:none!important}body.android-mobile header:before,body.android-mobile .paper-overlay,body.android-mobile .blog-hero:before,body.android-mobile .auth-card:before,body.android-mobile .callback-card:before,body.android-mobile .paper-texture:before{display:none!important}