:root{--ink:#16232e;--muted:#5b6570;--paper:#f5f3ee;--card:#fff;--blue:#345070;--amber:#c9852d;--red:#a23b2e;--line:#dedad0;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}button{font:inherit}.skip-link{position:absolute;left:-999px}.skip-link:focus{left:1rem;top:1rem;background:#fff;padding:.6rem;z-index:99}.shell{width:min(calc(100% - 40px),var(--max));margin:auto}.site-header{min-height:78px;padding:12px max(20px,calc((100% - var(--max))/2));display:flex;align-items:center;gap:28px;background:rgba(245,243,238,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px;font-weight:800;line-height:1.15;white-space:nowrap}.brand small{display:block;font-size:10px;color:var(--muted);font-weight:500;margin-top:4px}.brand-mark{display:grid;place-items:center;width:38px;height:38px;color:white;background:var(--blue);border-radius:3px;font-family:serif;font-size:22px}.site-header nav{display:flex;gap:22px;margin-left:auto;font-size:14px}.site-header nav a{padding:8px 0;border-bottom:2px solid transparent}.site-header nav a:hover,.site-header nav a[aria-current]{border-color:var(--amber)}.header-actions,.actions{display:flex;align-items:center;gap:12px}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:43px;padding:0 20px;background:var(--blue);color:#fff;border:1px solid var(--blue);border-radius:3px;font-weight:700;font-size:14px}.btn:hover{background:#263d58}.btn-quiet{background:transparent;color:var(--blue)}.btn-light{background:#fff;color:var(--blue);border-color:#fff}.text-link{font-weight:700;color:var(--blue)}.nav-toggle{display:none}.hero{min-height:670px;display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center;padding-top:72px;padding-bottom:82px}.eyebrow{text-transform:uppercase;letter-spacing:.13em;color:var(--amber);font-size:12px;font-weight:800}.hero h1{font-size:clamp(38px,5vw,66px);line-height:1.13;letter-spacing:-.045em;margin:18px 0 24px}.lead{font-size:17px;color:var(--muted);max-width:680px}.actions{margin-top:34px}.product-board{background:var(--card);border:1px solid var(--line);box-shadow:18px 18px 0 #e8e3d9}.board-head{display:flex;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);font-weight:800}.status-dot{font-size:12px;color:#3e7151}.status-dot:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:#4f8a63;margin-right:6px}.board-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:20px}.metric,.task-list,.record-note{border:1px solid var(--line);padding:18px}.metric strong{display:block;font-size:34px}.metric span,.task-list small{color:var(--muted);font-size:12px}.task-list{grid-column:1/-1}.task-list p{display:grid;grid-template-columns:26px 1fr auto;align-items:center;margin:0;padding:13px 0;border-bottom:1px solid #eee}.task-list p:last-child{border:0}.task-list i{font-style:normal;width:20px;height:20px;text-align:center;background:#eee;border-radius:50%;font-size:12px}.task-list .done{background:#dbe8de;color:#386147}.record-note{grid-column:1/-1;background:#f8f4eb;border-left:3px solid var(--amber);font-size:13px}.value-strip{background:var(--ink);color:#fff}.six{display:grid;grid-template-columns:repeat(6,1fr);padding:22px 0}.six span{text-align:center;font-size:13px;border-right:1px solid #42505b}.six span:last-child{border:0}.section{padding-top:100px;padding-bottom:100px}.section-intro{max-width:720px;margin-bottom:42px}.section h2,.contact-band h2{font-size:clamp(29px,4vw,44px);line-height:1.2;margin:12px 0 18px;letter-spacing:-.025em}.section-intro>p:last-child{color:var(--muted)}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.feature-grid article{background:#fff;padding:26px;min-height:190px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.feature-grid b{color:var(--amber);font-family:serif}.feature-grid h3{margin:22px 0 8px}.feature-grid p{font-size:14px;color:var(--muted)}.toolbox-promo{background:#e9e6df;border-block:1px solid var(--line)}.promo-tools{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:28px}.promo-tools>*{background:#fff;border:1px solid var(--line);padding:25px;min-height:160px;display:flex;flex-direction:column}.promo-tools small{color:var(--amber)}.promo-tools strong{font-size:20px;margin:20px 0 auto}.promo-tools span{font-size:13px;color:var(--muted)}.promo-tools a:hover{transform:translateY(-3px);transition:.2s}.audience-list{display:flex;flex-wrap:wrap;gap:12px}.audience-list span{padding:14px 18px;border:1px solid var(--line);background:#fff}.process{background:#fff}.process ol{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);padding:0;margin:0;counter-reset:flow}.process li{padding:28px 18px;border-top:2px solid var(--blue);position:relative;font-weight:700}.process li:not(:last-child):after{content:"→";position:absolute;right:-8px;color:var(--amber)}.process b{display:block;color:var(--muted);font-family:serif;margin-bottom:14px}.company{display:grid;grid-template-columns:1fr 1.3fr auto;gap:54px;align-items:center}.company p{color:var(--muted)}.contact-band{background:var(--blue);color:#fff;padding:70px 0}.contact-band .shell{display:grid;grid-template-columns:1.2fr 1fr auto;gap:50px;align-items:center}.contact-band .eyebrow{color:#e5b26d}.contact-band p{color:#dce3ea}.site-footer{background:var(--ink);color:#dfe4e8;padding:55px 0}.site-footer .shell{display:grid;grid-template-columns:1fr auto;gap:25px}.site-footer nav{display:flex;gap:20px}.site-footer p{color:#9ca6ae;font-size:13px}.site-footer .shell>p{grid-column:1/-1;border-top:1px solid #34414b;padding-top:20px}.content-page{min-height:65vh}.page-hero{padding:90px 0 55px;border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(38px,5vw,58px);margin:10px 0}.prose{max-width:820px}.prose h2{margin-top:50px}.prose p,.prose li{color:var(--muted)}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-grid div{background:#fff;border:1px solid var(--line);padding:24px}.contact-grid strong{display:block}.contact-grid span{color:var(--muted)}@media(max-width:980px){.site-header{flex-wrap:wrap}.nav-toggle{display:block;margin-left:auto;border:1px solid var(--line);background:#fff;padding:8px 12px}.site-header nav{display:none;order:3;width:100%;flex-direction:column;gap:0}.site-header nav.open{display:flex}.header-actions{display:none}.hero{grid-template-columns:1fr;gap:45px}.six{grid-template-columns:repeat(3,1fr);row-gap:16px}.feature-grid{grid-template-columns:repeat(2,1fr)}.company,.contact-band .shell{grid-template-columns:1fr}.process ol{grid-template-columns:1fr}.process li:not(:last-child):after{content:"↓";right:20px;bottom:-12px}.site-footer .shell{grid-template-columns:1fr}}@media(max-width:620px){.shell{width:min(calc(100% - 28px),var(--max))}.hero{padding-top:45px}.hero h1{font-size:39px}.actions{align-items:stretch;flex-direction:column}.product-board{box-shadow:8px 8px 0 #e8e3d9}.six{grid-template-columns:repeat(2,1fr)}.feature-grid,.promo-tools,.contact-grid{grid-template-columns:1fr}.section{padding-block:72px}.site-footer nav{flex-direction:column;gap:8px}.board-grid{padding:12px}.metric,.task-list,.record-note{padding:14px}}