:root{--ink:#102019;--muted:#587064;--green:#69d364;--lime:#dff67d;--pale:#f4f8ed;--line:#d9e5d4;--white:#fff;--shadow:0 18px 55px rgba(16,32,25,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--pale);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.7}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}img{max-width:100%;height:auto}.skip-link{position:absolute;left:-999px}.skip-link:focus{left:16px;top:12px;z-index:20;background:#fff;padding:10px 14px}.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px clamp(18px,5vw,72px);background:rgba(244,248,237,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.brand{display:grid;grid-template-columns:42px auto;grid-template-rows:auto auto;text-decoration:none;line-height:1}.brand>span{grid-row:1/3;display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--ink);color:var(--lime);font-weight:900}.brand strong{font-size:1rem}.brand small{font-size:.57rem;letter-spacing:.12em;color:var(--muted)}nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.site-header nav a{font-size:.86rem;text-decoration:none;color:var(--muted)}.site-header nav a:hover,.site-header nav a:focus{color:var(--ink)}main{width:min(1180px,calc(100% - 32px));margin:0 auto}.hero,.page-hero{margin:34px 0;padding:clamp(30px,6vw,76px);border-radius:34px;background:linear-gradient(135deg,var(--ink),#173e2c 62%,#286949);color:#fff;overflow:hidden}.hero{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;min-height:560px}.hero h1{font-size:clamp(3rem,8vw,6.4rem);line-height:.94;letter-spacing:-.08em;margin:.22em 0}.lede{font-size:clamp(1.05rem,2vw,1.28rem);max-width:720px;color:inherit}.eyebrow{display:inline-block;font-size:.74rem;letter-spacing:.13em;text-transform:uppercase;font-weight:800;color:var(--green)}.quick-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:14px;font-weight:800;text-decoration:none}.primary{background:var(--lime);color:var(--ink)}.ghost{border:1px solid rgba(255,255,255,.3);color:#fff}.status-note{margin-top:24px;font-size:.82rem;color:#b7cfbf}.hero-guide-image{display:block;width:180px;margin-top:18px;border-radius:18px;background:#e7f4d7}.device-stack{position:relative;height:390px}.device{position:absolute;border:2px solid rgba(255,255,255,.3);border-radius:30px;background:#1b4934;box-shadow:var(--shadow)}.device.back{width:56%;height:72%;right:14%;top:3%;transform:rotate(8deg)}.device.front{width:58%;height:82%;right:32%;top:10%;display:grid;place-items:center;background:linear-gradient(150deg,#f9ffe0,#d8f46d);color:var(--ink);transform:rotate(-7deg)}.device.front span{position:absolute;top:18px;width:42%;height:8px;border-radius:9px;background:var(--ink)}.device.front b{font-size:1.6rem;letter-spacing:.1em}.device.front i{position:absolute;bottom:22px;width:34px;height:34px;border:2px solid var(--ink);border-radius:50%}.section{padding:72px 0;border-bottom:1px solid var(--line)}.section-heading{display:flex;gap:22px;align-items:flex-start;margin-bottom:28px}.section-heading>span{display:grid;place-items:center;width:48px;height:48px;border-radius:15px;background:var(--lime);font-weight:900}.section h2,.page-hero h1{margin:.1em 0;font-size:clamp(2rem,4vw,3.6rem);line-height:1.1}.section-heading p{margin:.35em 0;color:var(--muted)}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card,.tool-tile,.signal-panel,.side-panel,.notice,.checklist{background:var(--white);border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 8px 30px rgba(16,32,25,.05)}.card h3{font-size:1.35rem;margin:.35em 0}.card p,.tool-tile span{color:var(--muted)}.split{display:grid;grid-template-columns:1.3fr .7fr;gap:36px}.steps{list-style:none;padding:0;display:grid;gap:14px}.steps li{display:grid;grid-template-columns:90px auto;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}.steps span{color:var(--muted)}.signal-panel{display:grid;gap:12px;background:var(--ink);color:#fff}.signal-panel strong{padding:12px 14px;border:1px solid rgba(255,255,255,.14);border-radius:12px}.signal-label{color:var(--green);font-weight:800}.article-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}.article-list li{display:grid;grid-template-columns:minmax(200px,.7fr) 1fr;gap:24px;padding:18px 0;border-bottom:1px solid var(--line)}.article-list span{color:var(--muted)}.tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.tool-tile{display:grid;text-decoration:none}.notice{background:#fffbe6}.wide-copy{max-width:900px;color:var(--muted);font-size:1.12rem}.closing{text-align:center;border:0;padding-bottom:100px}.page-hero{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:40px}.page-hero img{border-radius:24px;background:#e7f4d7}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:34px;padding:20px 0 60px}.content-grid article>section{padding:28px 0;border-bottom:1px solid var(--line)}.content-grid h2{font-size:1.65rem;margin:0 0 12px}.side-panel{align-self:start;position:sticky;top:100px}.side-panel ul{padding-left:20px}.checklist{margin-top:26px}.check-row{display:flex;align-items:flex-start;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}.check-row input{width:20px;height:20px;accent-color:var(--green)}.checklist button{margin-top:16px;border:0;border-radius:12px;padding:12px 16px;background:var(--ink);color:#fff;font-weight:800}.microcopy{font-size:.85rem;color:var(--muted)}.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:30px 0 80px}.pager-link{padding:18px;border:1px solid var(--line);border-radius:16px;background:#fff;text-decoration:none}.pager-link:last-child{text-align:right}footer{padding:46px clamp(18px,5vw,72px);background:var(--ink);color:#d9e9df;display:grid;grid-template-columns:1fr auto;gap:22px}footer nav a{color:#d9e9df}.footer-date{grid-column:1/-1;color:#8fac9b}
@media(max-width:900px){.site-header{position:static;align-items:flex-start}.site-header nav{display:none}.hero,.page-hero,.split,.content-grid{grid-template-columns:1fr}.device-stack{height:310px}.card-grid{grid-template-columns:repeat(2,1fr)}.side-panel{position:static}.article-list li{grid-template-columns:1fr;gap:4px}}
@media(max-width:560px){main{width:min(100% - 20px,1180px)}.hero,.page-hero{margin:14px 0;border-radius:22px;padding:26px 20px}.hero{min-height:auto}.hero h1{font-size:3rem}.device-stack{height:240px}.card-grid,.tool-grid,.pager,footer{grid-template-columns:1fr}.section{padding:48px 4px}.section-heading{gap:12px}.page-hero img{order:-1}.pager-link:last-child{text-align:left}footer{padding:34px 20px}.footer-date{grid-column:auto}.quick-actions .button{width:100%}}