/* Principal service, aligned with the shared workspace. Mobile comes first. */
@font-face{font-family:SuwenSerif;src:url('/service-assets/suwen-serif.woff2?v=20261025') format('woff2');font-weight:200 900;font-style:normal;font-display:swap}
:root{color-scheme:light;--paper:#f5f4ee;--surface:#fffefa;--soft:#eeefe7;--ink:#213d36;--green:#355d48;--green-hover:#294b39;--muted:#626e63;--line:#dde2d8;--serif:SuwenSerif,'Songti SC',SimSun,serif;--sans:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei UI',sans-serif;--gutter:clamp(20px,5vw,64px);--ease:cubic-bezier(.16,1,.3,1);font-synthesis:none}
*{box-sizing:border-box}html{scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.75 var(--sans)}a{color:inherit;text-decoration:none;touch-action:manipulation;-webkit-tap-highlight-color:transparent}img{display:block;max-width:100%}h1,h2,h3,p,figure{margin:0}h1,h2{font-family:var(--serif);font-weight:550;text-wrap:balance}h3{font-size:18px;font-weight:600;line-height:1.5}p{text-wrap:pretty}::selection{background:#e5eddf;color:var(--ink)}a:focus-visible,summary:focus-visible{outline:2px solid var(--green);outline-offset:4px}
.page-width{width:min(100%,1280px);margin-inline:auto;padding-inline:var(--gutter)}.skip-link{position:fixed;z-index:10;top:-100px;left:16px;padding:12px 20px;background:var(--ink);color:var(--surface);border-radius:10px}.skip-link:focus{top:12px}.site-header{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:88px}.brand{display:flex;gap:16px;align-items:center;min-height:48px;flex-shrink:0}.brand img{width:104px;height:52px;object-fit:contain}.brand span{font-size:14px;color:var(--muted)}.site-nav{display:flex;align-items:center;gap:28px;font-size:14px}.site-nav a{min-height:48px;display:inline-flex;align-items:center}.site-nav a:hover,.text-link:hover,.site-footer a:hover{color:var(--green-hover)}
.hero{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(32px,5vw,72px);align-items:center;padding-top:44px;padding-bottom:64px}h1{font-size:clamp(36px,3.9vw,52px);line-height:1.5;letter-spacing:-.02em}h1 span{display:block}.hero-description{margin-top:22px;color:var(--muted);font-size:16px;max-width:38ch}.hero-actions{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:52px;padding:13px 22px;border-radius:12px;font-size:15px;font-weight:550;line-height:1.5}.button.primary{background:var(--green);color:white}.button.primary:hover{background:var(--green-hover)}.button.secondary{background:var(--soft);color:var(--ink);min-height:48px;font-size:14px;padding:12px 18px}.button.secondary:hover{background:#e5eddf}.button:active{transform:translateY(1px)}.icon{width:20px;height:20px;stroke:currentColor;stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.text-link{display:inline-flex;gap:10px;align-items:center;min-height:48px;font-size:14px;text-decoration:underline;text-decoration-color:#aebaae;text-underline-offset:5px}.hero-visual{aspect-ratio:1.17;overflow:hidden;border-radius:16px;background:var(--soft)}.hero-visual img{width:100%;height:100%;object-fit:cover;object-position:30% center}
.section{padding-top:64px;padding-bottom:64px}h2{font-size:clamp(26px,2.5vw,34px);line-height:1.5;letter-spacing:-.015em}.workflow{border-top:1px solid var(--line)}.workflow-list{list-style:none;padding:0;margin:30px 0 0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px}.workflow-list p{color:var(--muted);font-size:15px;margin-top:10px;max-width:32ch}.access{padding-top:52px}.section-heading>p{margin-top:12px;color:var(--muted)}.device-list{margin-top:28px}.device{display:flex;justify-content:space-between;align-items:center;gap:28px;padding:26px 0;border-top:1px solid var(--line)}.device p{font-size:14px;color:var(--muted);margin-top:6px}.device-actions{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.device-note{font-size:13px;color:var(--muted);margin-top:12px}.help-section{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;padding-top:52px}.manual-links{display:flex;align-items:flex-start;flex-direction:column;gap:4px;margin-top:20px}.muted{color:var(--muted)}.faq-list details{border-top:1px solid var(--line)}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{min-height:72px;display:flex;justify-content:space-between;gap:20px;align-items:center;cursor:pointer;list-style:none;font-size:15px}.faq-list summary::-webkit-details-marker{display:none}.faq-list details[open] summary .icon{transform:rotate(180deg)}.faq-list details p{padding:0 26px 22px 0;color:var(--muted);font-size:14px;max-width:65ch}.site-footer{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:24px;padding-bottom:max(24px,env(safe-area-inset-bottom));font-size:13px;color:var(--muted)}.site-footer nav{display:flex;gap:22px;flex-wrap:wrap}.site-footer a{min-height:48px;display:inline-flex;align-items:center}
@media(max-width:900px){.hero{gap:28px}h1{font-size:36px}.hero-actions{gap:8px}.hero-description{font-size:15px}.site-nav{gap:18px}.workflow-list{gap:24px}.device{gap:20px}.help-section{gap:32px}}
@media(max-width:640px){.site-header{min-height:76px;padding-top:env(safe-area-inset-top);gap:12px}.brand{gap:12px}.brand img{width:88px;height:44px}.brand span{font-size:13px}.site-nav{font-size:13px}.nav-section{display:none!important}.hero{grid-template-columns:1fr;gap:28px;padding-top:30px;padding-bottom:40px}h1{font-size:clamp(28px,8.1vw,38px);line-height:1.5;letter-spacing:-.025em}.hero-description{font-size:15px;max-width:26ch;margin-top:16px}.hero-actions{display:flex;gap:10px;margin-top:24px}.hero-actions .primary{width:100%;justify-content:space-between}.hero-actions .text-link{margin-inline:auto}.hero-visual{aspect-ratio:1.55;border-radius:12px}.section{padding-top:40px;padding-bottom:40px}h2{font-size:27px}.workflow-list{grid-template-columns:1fr;gap:24px;margin-top:24px}.workflow-list h3{font-size:17px}.workflow-list p{margin-top:7px;max-width:36ch;font-size:15px}.access{padding-top:32px}.device-list{margin-top:22px}.device{display:block;padding:22px 0}.device p{margin-top:6px}.device .button{margin-top:16px}.device-actions{display:flex;gap:8px 18px}.device-actions .text-link{margin-top:16px}.device-note{margin-top:2px;max-width:36ch}.help-section{grid-template-columns:1fr;gap:24px;padding-top:32px}.manual-links{margin-top:14px}.faq-list summary{min-height:68px;font-size:15px}.faq-list details p{padding-right:0;font-size:14px}.site-footer{display:block;padding-top:16px;font-size:12px}.site-footer nav{gap:22px;margin-top:4px}}
@media(max-width:359px){:root{--gutter:16px}.brand{gap:8px}.brand span{font-size:12px}.site-nav{font-size:12px}h2{font-size:25px}.hero{padding-top:24px}.site-footer nav{gap:18px}}
@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}a{transition:color 140ms ease-out,background-color 140ms ease-out,transform 140ms ease-out}.faq-list summary .icon{transition:transform 180ms var(--ease)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
@media(forced-colors:active){.button{border:1px solid ButtonText}.hero-visual{border:1px solid CanvasText}}