:root{color-scheme:light dark;--bg:#f5f5f7;--bg-elevated:#ffffff;--text:#1d1d1f;--text-secondary:#6e6e73;--accent:#0071e3;--accent-hover:#0077ed;--border:rgba(0,0,0,0.08);--shadow:0 4px 24px rgba(0,0,0,0.06);--radius:18px;--font:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Helvetica Neue",sans-serif;}html.dark{--bg:#000000;--bg-elevated:#1c1c1e;--text:#f5f5f7;--text-secondary:#a1a1a6;--accent:#0a84ff;--accent-hover:#409cff;--border:rgba(255,255,255,0.12);--shadow:0 4px 24px rgba(0,0,0,0.4);}*{box-sizing:border-box;}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.5;}.page{min-height:100dvh;display:flex;flex-direction:column;}.header{position:-webkit-sticky;position:sticky;top:0;z-index:100;padding-top:env(safe-area-inset-top,0);background-color:rgba(245,245,247,0.88);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--border);}html.dark .header{background-color:rgba(28,28,30,0.88);}@supports ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.header{background-color:rgba(245,245,247,0.72);}html.dark .header{background-color:rgba(0,0,0,0.72);}}.header-inner{max-width:1200px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;}.brand{display:inline-flex;align-items:center;gap:8px;color:var(--text);text-decoration:none;font-weight:600;font-size:17px;}.brand-icon{width:22px;height:22px;display:flex;flex-shrink:0;}.brand-icon img{width:22px;height:22px;display:block;object-fit:cover;border-radius:5px;}.lang-backdrop{position:fixed;inset:0;z-index:10000;background:transparent;opacity:0;visibility:hidden;pointer-events:none;transition:opacity 0.28s cubic-bezier(0.32,0.72,0,1),visibility 0.28s cubic-bezier(0.32,0.72,0,1);}body.lang-dropdown-open 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32px;width:100%;min-height:auto;}.home-visual__devices{display:flex;flex-direction:column;justify-content:center;align-items:center;min-width:0;width:100%;}.home-devices-img--pc{display:none;width:100%;max-width:360px;height:auto;user-select:none;-webkit-user-drag:none;}.home-devices-img--mobile{display:block;max-width:200px;margin:0;width:100%;height:auto;user-select:none;-webkit-user-drag:none;}.home-visual__qr{display:none;}.home-mobile-only{display:block;margin-top:8px;text-align:center;}.home-pc-only{display:none;}.home-steps{margin-top:32px;text-align:center;}.home-steps__title{margin:0 0 16px;font-size:18px;font-weight:600;letter-spacing:-0.01em;color:var(--text);text-align:center;scroll-margin-top:calc(env(safe-area-inset-top,0px) + 72px);}.home-step-card{background:#efeff2;border-radius:16px;padding:20px 16px 16px;margin-bottom:14px;overflow:hidden;}html.dark 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var(--ios-sep);}.ios-mock__nav-back{display:inline-flex;align-items:center;gap:2px;font-size:9px;font-weight:400;color:var(--ios-blue);white-space:nowrap;line-height:1;}.ios-mock__nav-back::before{content:"";flex-shrink:0;width:7px;height:11px;margin-left:1px;background-color:currentColor;-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 12' fill='none'%3E%3Cpath d='M6.5 1.5L2 6l4.5 4.5' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 12' fill='none'%3E%3Cpath d='M6.5 1.5L2 6l4.5 4.5' stroke='%23000' stroke-width='2' stroke-linecap='round' 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.ios-mock__cell{background:#2c2c2e;}.ios-mock__cell-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px;}.ios-mock__cell-title{font-size:10px;font-weight:500;color:var(--ios-text);line-height:1.3;}.ios-mock__cell-sub{font-size:8px;color:var(--ios-gray);line-height:1.3;}.ios-mock__chevron{flex-shrink:0;width:6px;height:6px;border-top:1.5px solid #c7c7cc;border-right:1.5px solid #c7c7cc;transform:rotate(45deg);}.ios-mock__settings-wrap{flex-shrink:0;width:22px;height:22px;border-radius:22.37%;background:#8e8e93;display:flex;align-items:center;justify-content:center;}.ios-mock__settings-icon{display:block;width:14px;height:14px;object-fit:contain;filter:brightness(0) invert(1);}@keyframes ios-mock-hint-pulse{0%,100%{opacity:0;}45%,55%{opacity:1;}}@keyframes ios-mock-chevron-nudge{0%,100%{transform:translateX(0) rotate(45deg);}50%{transform:translateX(2px) rotate(45deg);}}.ios-mock__cell--ring{position:relative;z-index:0;}.ios-mock__cell--ring::before{content:"";position:absolute;inset:0;border-radius:10px;background:rgba(0,122,255,0.1);animation:ios-mock-hint-pulse 2.4s ease-in-out infinite;pointer-events:none;}html.dark .ios-mock__cell--ring::before{background:rgba(10,132,255,0.16);}.ios-mock__cell--ring>*{position:relative;z-index:1;}.ios-mock__cell--ring .ios-mock__chevron{animation:ios-mock-chevron-nudge 1.4s ease-in-out infinite;}@keyframes ios-mock-btn-nudge{0%,100%{transform:scale(1);}50%{transform:scale(1.06);}}.ios-mock__toolbar-btn--ring{position:relative;z-index:0;animation:ios-mock-btn-nudge 1.4s ease-in-out infinite;}.ios-mock__toolbar-btn--ring::before{content:"";position:absolute;inset:-3px -7px;border-radius:6px;background:rgba(0,122,255,0.14);animation:ios-mock-hint-pulse 2.4s ease-in-out infinite;pointer-events:none;}html.dark .ios-mock__toolbar-btn--ring::before{background:rgba(10,132,255,0.2);}@media (prefers-reduced-motion:reduce){.ios-mock__cell--ring::before,.ios-mock__toolbar-btn--ring::before,.ios-mock__cell--ring .ios-mock__chevron,.ios-mock__toolbar-btn--ring{animation:none;}.ios-mock__cell--ring::before,.ios-mock__toolbar-btn--ring::before{opacity:0.85;}}.ios-mock__toolbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:4px;padding:8px 10px;background:var(--ios-bg);border-bottom:0.5px solid var(--ios-sep);}.ios-mock__toolbar-btn{font-size:9px;color:var(--ios-blue);white-space:nowrap;}.ios-mock__toolbar-btn--primary{justify-self:end;font-weight:600;}.ios-mock__toolbar-title{font-size:10px;font-weight:600;color:var(--ios-text);text-align:center;line-height:1.2;}.ios-mock--install{background:var(--ios-bg);}.ios-mock--install .ios-mock__toolbar{border-bottom:none;padding:11px 14px 5px;align-items:flex-end;}.ios-mock--install .ios-mock__card{margin:16px 10px 10px;}.ios-mock__card{margin:8px 10px 10px;border-radius:10px;background:#fff;overflow:hidden;}html.dark .ios-mock__card{background:#2c2c2e;}.ios-mock__card-head{position:relative;display:flex;align-items:center;gap:8px;padding:10px;}.ios-mock__card-head::after{content:"";position:absolute;left:calc(10px + 22px + 8px);right:0;bottom:0;height:1px;background:var(--ios-sep);transform:scaleY(0.5);transform-origin:bottom;}.ios-mock__card-head-text{display:flex;flex-direction:column;gap:1px;min-width:0;}.ios-mock__card-head-title{font-size:11px;font-weight:600;color:var(--ios-text);line-height:1.25;}.ios-mock__card-head-sub{font-size:8px;color:var(--ios-gray);}.ios-mock__card-details{padding:6px 0;}.ios-mock__row{display:grid;grid-template-columns:15% 1fr;gap:8px;align-items:start;padding:4px 10px;font-size:8px;line-height:1.45;}.ios-mock__card-details .ios-mock__row{grid-template-columns:22px 1fr;gap:8px;}.ios-mock__row-label{color:var(--ios-gray);text-align:right;white-space:nowrap;}.ios-mock__row-value{color:var(--ios-text);min-width:0;text-align:left;}.ios-mock__card-details .ios-mock__row:first-child{padding-top:2px;}.ios-mock__card-details .ios-mock__row:last-child{padding-bottom:2px;}.ios-mock__verified{display:block;margin-top:2px;color:var(--ios-green);font-weight:500;}.ios-mock__check{font-size:7px;}.ios-mock__row--footer{position:relative;display:flex;align-items:center;justify-content:space-between;grid-template-columns:none;padding:8px 10px;}.ios-mock__row--footer::before{content:"";position:absolute;left:10px;right:0;top:0;height:1px;background:var(--ios-sep);transform:scaleY(0.5);transform-origin:top;}.ios-mock__row--footer .ios-mock__row-value{font-weight:600;}.ios-mock--homescreen{display:flex;align-items:center;justify-content:center;min-height:120px;padding:16px;background:#f7f7f7;}html.dark .ios-mock--homescreen{background:#000;}.ios-mock__clip{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;width:72px;}.ios-mock__clip-icon-wrap{display:block;width:56px;height:56px;flex-shrink:0;line-height:0;background:transparent;}.ios-mock__clip-icon{display:block;width:100%;height:100%;border:none;outline:none;object-fit:contain;vertical-align:top;}.ios-mock__clip-label{font-size:9px;font-weight:500;color:var(--ios-text);text-align:center;line-height:1.2;max-width:80px;word-break:break-word;}@media (min-width:768px) and (max-width:1023px){.home-devices-img--mobile{max-width:260px;}.home-install-btn{max-width:400px;}}@media (max-width:360px){.home-devices-img--mobile{max-width:180px;}}@media (min-width:1024px){.home-hero__subtitle--pc{display:block;}.home-hero__subtitle--mobile{display:none;}.home-pc-only{display:block;}.home-visual{grid-template-columns:minmax(0,1.15fr) minmax(0,0.85fr);gap:clamp(20px,5vw,120px);margin-bottom:48px;min-height:200px;}.home-visual__devices{flex-direction:row;justify-content:flex-end;}.home-devices-img.home-devices-img--pc{display:block;}.home-devices-mobile{display:none;}.home-visual__qr{display:flex;flex-direction:column;align-items:center;justify-self:start;min-width:0;}.home-mobile-only{display:none;}}.home-qr-box{display:inline-block;padding:10px;background:var(--bg);border:1px solid color-mix(in srgb,var(--text) 12%,transparent);border-radius:4px;line-height:0;}.home-qr-img{display:block;width:min(36vw,168px);height:min(36vw,168px);image-rendering:pixelated;background:var(--bg);}html.dark .home-qr-img{filter:invert(1);}@media (min-width:1024px){.home-qr-box{padding:12px;}.home-qr-img{width:210px;height:210px;}}.home-qr-caption{margin:12px 0 0;font-size:13px;color:var(--text-secondary);text-align:center;-webkit-user-select:none;user-select:none;}.home-divider{border:none;border-top:1px solid color-mix(in srgb,var(--text) 10%,transparent);margin:0 auto 40px;width:100%;}.home-faq{width:100%;margin:0 auto;}.home-faq__item+.home-faq__item{margin-top:28px;}.home-faq__title{margin:0 0 8px;font-size:18px;font-weight:600;letter-spacing:-0.01em;color:var(--text);}.home-faq__body{margin:0;font-size:14px;line-height:1.65;color:var(--text-secondary);}@media (max-width:1023px){.main{padding:28px 20px 40px;}.home-hero{margin-bottom:28px;}.home-hero__subtitle{font-size:14px;max-width:none;}}.hero{text-align:center;margin-bottom:32px;}.hero-title{margin:0 0 8px;font-size:clamp(28px,6vw,40px);font-weight:700;letter-spacing:-0.02em;}.hero-subtitle{margin:0;font-size:17px;color:var(--text-secondary);max-width:480px;margin-inline:auto;}.card{background:var(--bg-elevated);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);padding:28px 24px;}.qr-card{display:flex;flex-direction:column;align-items:center;gap:16px;margin-top:24px;}.qr-image{border-radius:12px;image-rendering:pixelated;}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:980px;font-size:17px;font-weight:600;text-decoration:none;border:none;cursor:pointer;font-family:inherit;-webkit-appearance:none;appearance:none;-webkit-tap-highlight-color:transparent;transition:background 0.15s ease,opacity 0.15s ease;}.btn-primary{background:var(--accent);color:#fff;}.btn-primary:hover{background:var(--accent-hover);}.btn-secondary{background:transparent;color:var(--accent);}.btn-lg{padding:14px 28px;font-size:18px;min-width:200px;}.btn-block{width:100%;margin-top:8px;}.install-btn{margin-top:8px;}.hint,.safari-badge{margin:0;font-size:14px;color:var(--text-secondary);text-align:center;}.safari-badge{display:inline-block;color:var(--text-secondary);font-weight:400;}.section{margin-top:36px;}.section-title{margin:0 0 8px;font-size:22px;font-weight:600;letter-spacing:-0.01em;}.section-body{margin:0;color:var(--text-secondary);font-size:16px;}.steps{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:12px;}.steps li{display:flex;align-items:flex-start;gap:12px;font-size:16px;}.step-num{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;font-size:14px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;}.result-card{margin-top:8px;}.info-list{margin:0;}.info-row{display:grid;grid-template-columns:100px 1fr;gap:8px 16px;padding:12px 0;border-bottom:1px solid var(--border);}.info-row:last-of-type{border-bottom:none;}.info-row dt{margin:0;font-size:14px;color:var(--text-secondary);font-weight:500;}.info-row dd{margin:0;font-size:15px;word-break:break-all;}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:14px;}.clip-section{text-align:center;}.clip-section .btn{margin-top:12px;}.help-link-wrap{margin:12px 0 0;text-align:center;}.help-link{font-size:14px;color:var(--accent);text-decoration:none;}.help-link:hover{text-decoration:underline;}.help-hero{text-align:left;margin-bottom:24px;}.help-hero .hero-title{font-size:clamp(28px,6vw,34px);font-weight:700;letter-spacing:-0.03em;}.help-hero .hero-subtitle{margin:8px 0 0;max-width:none;text-align:left;font-size:15px;line-height:1.5;}.help-list{margin:0;border-top:0.5px solid color-mix(in srgb,var(--text) 14%,transparent);}.help-item{padding:20px 0;border-bottom:0.5px solid color-mix(in srgb,var(--text) 14%,transparent);}.help-item.is-highlight .help-item-title{color:var(--accent);}.help-item-title{margin:0 0 6px;font-size:17px;font-weight:600;letter-spacing:-0.02em;line-height:1.3;color:var(--text);}.help-item-body{margin:0;color:var(--text-secondary);font-size:15px;line-height:1.55;letter-spacing:-0.01em;}.help-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:28px;}.env-warnings{margin:0 0 4px;padding:16px 0 4px;border-top:0.5px solid color-mix(in srgb,var(--text) 14%,transparent);}.env-warning{margin:0 0 12px;padding:0;border-radius:0;background:none;color:var(--text);font-size:15px;line-height:1.5;letter-spacing:-0.01em;}.env-warning:last-child{margin-bottom:0;}.footer{text-align:center;padding:24px 20px 32px;font-size:13px;color:var(--text-secondary);}.footer p{margin:0;}.footer-beian{margin-top:8px;}.footer-beian a,.footer-beian a:link,.footer-beian a:visited,.footer-beian a:hover,.footer-beian a:active{color:var(--text-secondary) !important;text-decoration:none !important;}@media (max-width:480px){.info-row{grid-template-columns:1fr;gap:4px;}}