:root{font-family:Segoe UI,Microsoft YaHei,sans-serif;color:#203647;background:#f7f9fa;font-synthesis:none;--teal: #16786f;--muted: #5d6d78;--line: #dce5e8}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}a{color:inherit;text-decoration:none}a:focus-visible{outline:3px solid #197e77;outline-offset:5px}.skip-link{position:absolute;top:-100px;padding:12px;background:#fff;z-index:10}.skip-link:focus{top:8px;left:8px}.site-header{max-width:1240px;margin:auto;padding:24px 40px;display:flex;align-items:center;gap:40px}.brand{display:flex;align-items:center;gap:12px;min-height:44px;font-size:19px;font-weight:650;letter-spacing:1px}.brand-mark{color:var(--teal);font-size:36px;line-height:1}.brand-sub{display:block;margin-top:4px;font-size:10px;letter-spacing:2px;color:var(--muted);font-weight:400}nav{display:flex;gap:28px;margin-left:auto;font-size:13px;color:var(--muted)}nav a{display:inline-flex;align-items:center;min-height:44px}nav a:hover,.text-link:hover{color:var(--teal)}.header-entry{display:inline-flex;align-items:center;min-height:44px;border:1px solid #b9ccce;border-radius:6px;padding:10px 17px;font-size:13px;font-weight:600}.header-entry span{margin-left:16px;color:var(--teal)}.header-entry:hover{background:#e8f2f0}main{max-width:1240px;margin:auto;padding:0 40px}.hero{display:grid;grid-template-columns:.82fr 1.18fr;align-items:center;gap:48px;padding:49px 0 60px}.eyebrow{font-size:11px;font-weight:650;letter-spacing:2px;color:var(--teal);margin:0 0 17px;display:flex;align-items:center;gap:10px}.eyebrow>span:first-child:not(.eyebrow-divider){width:6px;height:6px;background:var(--teal);border-radius:50%}.eyebrow-divider{color:#a0b4b8;font-weight:400}h1{font-weight:600;font-size:clamp(36px,3.6vw,48px);line-height:1.42;letter-spacing:1px;margin:0 0 19px}h1 em{color:var(--teal);font-style:normal}.hero-description{color:var(--muted);font-size:14px;line-height:1.95;max-width:360px;margin:0}.hero-actions{display:flex;align-items:center;gap:26px;margin-top:27px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:38px;font-size:14px;font-weight:600;border-radius:6px;padding:14px 22px;min-height:48px}.primary{color:#fff;background:var(--teal);border:1px solid var(--teal)}.primary:hover{background:#105f58}.text-link{display:inline-flex;align-items:center;min-height:44px;font-size:12px;color:#465f69}.text-link span{margin-left:9px}.entry-note{margin-top:16px;color:#6c7c85;font-size:11px}.preview{margin:0;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 16px 40px #1638470a}.preview-top{display:flex;justify-content:space-between;padding:15px 18px;font-size:11px;color:#526873}.preview-top span:first-child{display:flex;align-items:center;gap:7px;font-weight:600}.preview-top i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#288a7d}.preview img{display:block;width:100%;height:auto}figcaption{padding:18px 21px 20px}.preview-label{color:#285a60;font-size:12px;font-weight:650}figcaption p{color:var(--muted);font-size:11px;line-height:1.8;margin:7px 0 0}.workflow{border-top:1px solid var(--line);padding:38px 0 43px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px}.section-heading .eyebrow{margin-bottom:8px}h2{font-size:24px;font-weight:600;letter-spacing:.4px;line-height:1.55;margin:0}.section-heading>p{color:var(--muted);font-size:12px;margin:0 0 5px}.steps{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.steps li{display:flex;gap:14px;padding-right:22px;border-right:1px solid var(--line)}.steps li:last-child{border:0;padding-right:0}.step-number{font-size:12px;font-weight:600;color:var(--teal);background:#e8f2ef;border:1px solid #d7e7e2;border-radius:50%;width:32px;height:32px;flex-shrink:0;display:grid;place-items:center}h3{font-size:16px;font-weight:600;margin:4px 0 10px}.steps p{font-size:14px;color:var(--muted);line-height:1.9;margin:0 0 15px}.step-tag{color:#3b6d6c;font-size:12px}.reference{display:grid;grid-template-columns:.65fr 1.35fr;gap:64px;padding:44px 0 50px;border-top:1px solid var(--line)}.reference-intro>p:not(.eyebrow){font-size:14px;line-height:1.9;color:var(--muted);margin:17px 0;max-width:260px}.tip{display:flex;align-items:flex-start;gap:12px;background:#edf3f2;padding:16px;border-radius:6px;margin-top:26px}.tip>span{font-size:22px;color:var(--teal)}.tip p{font-size:13px;line-height:1.9;margin:0;color:#50656b}.tip strong{display:block;font-size:12px;font-weight:600;margin-bottom:4px;color:#284f52}table{width:100%;border-collapse:collapse;font-size:14px;text-align:left}thead{background:#eef3f4;color:#48606c}th,td{padding:13px 15px;border-bottom:1px solid var(--line);line-height:1.85;vertical-align:top}thead th{font-size:11px;font-weight:500}tbody th{white-space:nowrap;font-weight:500}td{color:var(--muted)}kbd{font-family:inherit;font-size:10px;padding:1px 4px;border:1px solid #cbd8dc;border-radius:3px;background:#fff;white-space:nowrap}.expand-symbol{color:#325d63;font-size:16px}.before-use{background:#f0f3f4;border:1px solid var(--line);border-radius:8px;padding:26px 30px;display:grid;grid-template-columns:.65fr 1.35fr;gap:54px}.before-use h2{font-size:19px;max-width:260px}.before-use .eyebrow{margin-bottom:10px;color:#60747a}.before-use ul{list-style:none;padding:0;margin:0;display:grid;gap:14px}.before-use li{display:grid;grid-template-columns:82px 1fr;gap:12px;font-size:13px;line-height:1.9;color:var(--muted)}.before-use strong{color:#415862;font-weight:600}.closing{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:41px 0 44px}.closing h2{font-size:21px}.closing p{font-size:12px;color:var(--muted);margin:8px 0 0}footer{border-top:1px solid var(--line);max-width:1160px;margin:auto;padding:21px 0 25px;display:flex;justify-content:space-between;gap:16px;font-size:10px;color:#6c7d85}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}@media(max-width:950px){.site-header{padding:20px 28px;gap:24px}nav{gap:18px}main{padding:0 28px}.hero{gap:26px;padding-top:32px}h1{font-size:36px}.hero-actions{gap:16px}.button{gap:20px;padding:13px 18px}.steps{gap:18px}.steps li{gap:9px;padding-right:12px}.reference{gap:30px;grid-template-columns:.75fr 1.25fr}.before-use{gap:30px}footer{margin:0 28px}}@media(max-width:680px){.site-header{padding:18px 20px;justify-content:space-between;gap:12px;flex-wrap:wrap}nav{display:none}.brand{font-size:17px;gap:8px}.header-entry{font-size:12px;padding:9px 12px}.header-entry span{margin-left:8px}main{padding:0 20px}.hero{grid-template-columns:1fr;padding:28px 0 35px;gap:26px}h1{font-size:clamp(28px,8.4vw,36px);line-height:1.4}.hero-description{max-width:100%}.hero-actions{margin-top:23px;flex-wrap:wrap}.section-heading{display:block}.section-heading>p{margin-top:10px}h2{font-size:22px}.workflow{padding:28px 0}.steps{grid-template-columns:1fr;gap:22px}.steps li{border:0;padding:0;gap:14px}.steps p{margin-bottom:7px}.reference{grid-template-columns:1fr;gap:22px;padding:28px 0}.reference h2 br{display:none}.reference-intro>p:not(.eyebrow){max-width:none}.tip{margin-top:16px}th,td{padding:12px 8px;font-size:13px}.before-use{grid-template-columns:1fr;padding:22px 18px;gap:20px}.before-use h2{max-width:none}.before-use li{grid-template-columns:70px 1fr;gap:8px}.closing{align-items:flex-start;flex-direction:column;padding:30px 0;gap:20px}.closing .button{width:100%}footer{margin:0 20px;padding:18px 0;flex-direction:column;gap:7px;line-height:1.8}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}