#opc-intro{--paper:#f7f6f2;--ink:#24231f;--muted:#68675f;--gold:#edc548;--line:#e2ded2;background:var(--paper);color:var(--ink);font:15px/1.7 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}#opc-intro *{box-sizing:border-box}#opc-intro [hidden]{display:none!important}#opc-intro a{color:inherit;text-decoration:none}#opc-intro button,#opc-intro input{font:inherit}#opc-intro button{cursor:pointer}#opc-intro h1,#opc-intro h2,#opc-intro h3,#opc-intro p{margin:0}#opc-intro h1,#opc-intro h2,#opc-intro h3{line-height:1.35;text-wrap:balance}#opc-intro p{text-wrap:pretty}#opc-intro h2{font-size:32px;letter-spacing:-.7px}#opc-intro h3{font-size:17px}#opc-intro :is(a,button,summary,input,[tabindex]):focus-visible{outline:3px solid #8a6a17;outline-offset:4px}#opc-intro .wrap{width:min(1180px,calc(100% - 64px));margin-inline:auto}#opc-intro section[id]{scroll-margin-top:100px}#opc-intro .skip{position:fixed;left:16px;top:-100px;z-index:100;background:#fff;padding:12px}#opc-intro .skip:focus{top:16px}#opc-intro .review-note{text-align:center;font-size:11px;color:#69665b;padding:6px 12px;background:#eeece4}#opc-intro .nav{position:sticky;top:0;z-index:20;background:#fffefbf5;backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}#opc-intro .nav-inner{height:76px;display:flex;align-items:center;gap:30px}#opc-intro .brand{display:flex;align-items:center;gap:10px;font-weight:650;font-size:15px;white-space:nowrap}#opc-intro .brand-mark{font-size:22px;font-weight:800;letter-spacing:-3px;background:#25241f;color:#fff7dc;width:36px;height:36px;text-align:center;border-radius:10px;padding-right:3px}#opc-intro .brand-mark span{color:var(--gold)}#opc-intro nav{display:flex;gap:24px;margin-left:auto;font-size:13px}#opc-intro nav a{display:flex;align-items:center;min-height:44px}#opc-intro nav a:hover{color:#8b6a15}#opc-intro .btn{min-height:50px;display:inline-flex;align-items:center;justify-content:center;gap:28px;padding:12px 24px;border:1px solid transparent;border-radius:9px;font-weight:600;font-size:15px;transition:transform .15s,background-color .15s,box-shadow .15s}#opc-intro .btn.small{min-height:44px;font-size:13px;padding:9px 15px;gap:12px}#opc-intro .gold{background:var(--gold);color:#292515;border-color:#d8af35;box-shadow:inset 0 1px 0 #fff8,0 2px 4px #493a0d0a}#opc-intro .gold:hover{background:#f4cf57;box-shadow:0 4px 12px #604d171a}#opc-intro .white{background:#fff;border-color:#d9d5c9}#opc-intro .btn:active,#opc-intro button:active{transform:scale(.96)}#opc-intro .eyebrow{font-size:11px;font-weight:650;letter-spacing:.14em;color:#80672e;margin-bottom:16px}#opc-intro .hero{padding-top:58px;text-align:center}#opc-intro h1{font-size:54px;letter-spacing:-1.8px;font-weight:700}#opc-intro h1 span{color:#806526}#opc-intro .lead{font-size:16px;color:var(--muted);line-height:1.9;margin-top:22px}#opc-intro .actions{display:flex;justify-content:center;gap:12px;margin-top:26px}#opc-intro .hero-note{font-size:12px;color:#706d61;margin:18px 0 42px}#opc-intro .hero-note i{font-style:normal;margin:0 10px;color:#a89c7b}#opc-intro .hero-board{background:#fff;border:1px solid #ddd8ca;border-radius:19px;box-shadow:0 2px 5px #24231f04,0 20px 60px #39332310;overflow:hidden;text-align:left}#opc-intro .board-bar{display:flex;justify-content:space-between;align-items:center;padding:14px 22px;border-bottom:1px solid var(--line);font-size:12px;background:#fdfcf8}#opc-intro .board-bar>span:last-child{font-size:10px;color:#767166}#opc-intro .dot{display:inline-block;width:7px;height:7px;background:#a38a45;border-radius:50%;margin-right:7px}#opc-intro .board-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:14px;padding:20px}#opc-intro .mini{border-radius:12px;padding:24px 20px;background:#f5f1e7;overflow:hidden;min-width:0}#opc-intro .mini-label{font-size:10px;letter-spacing:.12em;color:#777059;margin-bottom:10px}#opc-intro .mini h2{font-size:17px;letter-spacing:0;margin-bottom:22px}#opc-intro .mini-tiers{display:flex;align-items:center;gap:7px;height:150px}#opc-intro .mini-tiers>div{background:#fffdf8;border:1px solid #e0d7bf;border-radius:8px;padding:20px 8px;width:33.333%;text-align:center;box-shadow:0 4px 10px #35302408}#opc-intro .mini-tiers .featured{background:#26251f;color:#f4df9e;padding-block:30px;box-shadow:0 8px 18px #24231f20}#opc-intro .mini-tiers span{font-size:11px}#opc-intro .mini-tiers strong{font-size:20px;display:block;margin:10px 0}#opc-intro .mini-tiers small{font-size:9px;display:block}#opc-intro .quote-mini{background:#eaf0eb}#opc-intro .small-label{font-size:11px;color:#5b6a60}#opc-intro .quote-number{font-size:40px;display:block;line-height:1.5;letter-spacing:-1px;color:#315a49}#opc-intro .quote-number span{font-size:12px;color:#52675c;margin-left:8px;letter-spacing:0}#opc-intro .costbar{display:flex;height:9px;gap:3px;margin-top:24px}#opc-intro .costbar span:first-child{width:60%;background:#8da99b;border-radius:4px 0 0 4px}#opc-intro .costbar span:last-child{width:40%;background:#325c48;border-radius:0 4px 4px 0}#opc-intro .costkey{display:flex;justify-content:space-between;font-size:10px;color:#486152;margin-top:10px}#opc-intro .proposal-mini{background:#f0ebe2}#opc-intro .paper{padding:20px;background:#fffdf7;border:1px solid #e2d6be;box-shadow:0 8px 16px #4c3c1910;transform:rotate(-2deg);border-radius:4px}#opc-intro .paper>span{font-size:8px;letter-spacing:.13em;color:#887249}#opc-intro .paper h3{font-size:13px;margin:8px 0 14px}#opc-intro .paper p{font-size:9px;color:#7c7059;margin:6px 0}#opc-intro .paper-line{height:3px;width:90%;background:#e9e1d0}#opc-intro .paper-line.short{width:70%}#opc-intro .paper-foot{border-top:1px solid #e8dfcc;margin-top:12px;padding-top:8px;font-size:9px;color:#81704c}#opc-intro .audience{padding-block:64px 72px}#opc-intro .section-label{font-size:12px;color:#7d7767;margin-bottom:24px}#opc-intro .audience-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}#opc-intro .audience-grid>div{border-left:1px solid #dcd7c9;padding-left:20px}#opc-intro .audience-grid span{font-size:10px;color:#958262}#opc-intro .audience-grid h3{margin:7px 0 10px;font-size:16px}#opc-intro .audience-grid p{font-size:13px;color:var(--muted)}#opc-intro .demo-section{background:#eeece5;padding:72px 0}#opc-intro .section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:36px;margin-bottom:30px}#opc-intro .section-heading>p{font-size:13px;color:var(--muted);flex-shrink:0}#opc-intro .section-heading .eyebrow{margin-bottom:10px}#opc-intro .demo-shell{border:1px solid #d8d1c2;border-radius:16px;background:#fffefa;overflow:hidden;box-shadow:0 3px 5px #29251e04,0 22px 45px #29251e08}#opc-intro .demo-tabs{display:flex;background:#24231f;padding:10px;gap:8px}#opc-intro .demo-tabs button{flex:1;border:1px solid transparent;background:none;color:#c9c4b7;min-height:56px;border-radius:8px;font-size:11px;letter-spacing:.03em;transition:background-color .18s,color .18s}#opc-intro .demo-tabs button span{font-size:14px;margin-left:12px;font-weight:600}#opc-intro .demo-tabs [aria-selected=true]{background:#f5df9b;color:#3e3316}#opc-intro .demo-tabs button:hover:not([aria-selected=true]){background:#393830;color:white}#opc-intro .demo-layout{display:grid;grid-template-columns:270px minmax(0,1fr);min-height:410px}#opc-intro .demo-copy{padding:30px;background:#f8f6ef;border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:flex-start}#opc-intro .demo-copy h3{font-size:21px;margin-bottom:12px}#opc-intro .demo-copy p{font-size:13px;color:var(--muted)}#opc-intro .demo-copy ul{list-style:none;padding:0;font-size:12px;color:#6a6250;margin:20px 0 26px}#opc-intro .demo-copy li{padding:8px 0;border-bottom:1px solid #e4ded0}#opc-intro .demo-copy .text-link{margin-top:auto}#opc-intro .text-link{display:inline-flex;align-items:center;gap:20px;min-height:44px;font-size:13px;font-weight:650;color:#806321}#opc-intro .demo-canvas{padding:28px;min-width:0}#opc-intro .canvas-label{font-size:11px;color:#7a7260;display:flex;justify-content:space-between;margin-bottom:20px;gap:12px}#opc-intro .tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}#opc-intro .tier{border:1px solid #e0d9c7;border-radius:11px;padding:22px 16px;background:#fff}#opc-intro .tier.recommended{border-color:#c4a254;background:#fdf7e4;box-shadow:0 7px 17px #8b702111}#opc-intro .tier>span{font-size:11px;color:#7a6a42}#opc-intro .tier h4{font-size:17px;margin:12px 0}#opc-intro .tier strong{font-size:27px;display:block}#opc-intro .tier strong small{font-size:11px;font-weight:400}#opc-intro .tier ul{list-style:none;padding:16px 0 0;margin:16px 0 0;border-top:1px solid #e3dbc9;font-size:12px;color:#685f4c}#opc-intro .tier li{padding:5px 0}#opc-intro .canvas-note{margin-top:20px;font-size:12px;color:#7a715f}#opc-intro .demo-disclaimer{font-size:11px;color:#746d5e;background:#f6f3eb;padding:12px 24px;border-top:1px solid var(--line)}#opc-intro .quote-controls{display:grid;grid-template-columns:1fr 1fr;gap:16px}#opc-intro .quote-controls label{font-size:12px;color:#645e50}#opc-intro .quote-controls input{display:block;width:100%;padding:9px 12px;min-height:44px;border:1px solid #d8d1c2;border-radius:7px;background:white;margin-top:6px;color:#24231f}#opc-intro .quote-result{margin-top:22px;background:#24231f;color:#fff7dc;border-radius:10px;display:flex;justify-content:space-between;align-items:center;padding:22px;gap:20px}#opc-intro .quote-result p{font-size:12px;color:#d1c6a4}#opc-intro .quote-result strong{font-size:34px;color:#f4d678}#opc-intro .quote-result small{font-size:12px;color:#d6ceba}#opc-intro .quote-result .metrics{text-align:right;font-size:13px}#opc-intro .proposal-doc{border:1px solid #ded4be;padding:26px 30px;box-shadow:0 4px 14px #3d32110a;background:white;border-radius:4px}#opc-intro .proposal-doc .doc-label{font-size:9px;letter-spacing:.15em;color:#897244}#opc-intro .proposal-doc h3{font-size:22px;margin:8px 0 22px}#opc-intro .doc-row{display:grid;grid-template-columns:76px 1fr;gap:20px;padding:13px 0;border-top:1px solid #e8e2d6;font-size:12px}#opc-intro .doc-row b{color:#796538;font-weight:500}#opc-intro .catalog{padding-block:80px}#opc-intro .filters{display:flex;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:14px}#opc-intro .filters button{background:transparent;border:1px solid transparent;border-radius:8px;padding:10px 15px;min-height:44px;font-size:13px;color:#68665d;transition:background-color .15s,color .15s}#opc-intro .filters button span{font-size:10px;margin-left:8px;opacity:.8}#opc-intro .filters [aria-pressed=true]{background:#29271f;color:#f8e9b6;box-shadow:0 2px 5px #29271f17}#opc-intro .filters button:hover:not([aria-pressed=true]){background:#ebe7db}#opc-intro .filter-status{font-size:11px;color:#757065;margin:16px 0}#opc-intro .tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}#opc-intro .tool{background:#fffefa;border:1px solid #dfdacd;border-radius:13px;padding:24px;box-shadow:0 2px 4px #29251e03,0 7px 17px #29251e03;display:flex;flex-direction:column;min-height:215px;transition:transform .18s,box-shadow .18s,border-color .18s}#opc-intro .tool:hover{transform:translateY(-3px);border-color:#b59a56;box-shadow:0 3px 7px #29251e05,0 15px 28px #29251e0d}#opc-intro .tool-meta{display:flex;justify-content:space-between;font-size:10px;color:#8b7544;margin-bottom:16px}#opc-intro .tool h3{font-size:16px;margin-bottom:12px}#opc-intro .tool p{font-size:12px;color:#6c685e;margin-bottom:22px}#opc-intro .tool-link{font-size:11px;color:#8b6c25;display:flex;justify-content:space-between;margin-top:auto}#opc-intro .continuity{background:#26251f;color:#f7f4e9;padding:70px 0}#opc-intro .continuity-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}#opc-intro .continuity .eyebrow{color:#d2ba77}#opc-intro .section-copy{font-size:14px;line-height:1.9;color:#c2beae;margin:22px 0}#opc-intro .continuity .text-link{color:#edcf7d}#opc-intro .continuity-list article{display:flex;gap:22px;padding:23px 0;border-bottom:1px solid #ffffff1f}#opc-intro .continuity-list article:last-child{border-bottom:0}#opc-intro .continuity-list article>span{font-size:12px;color:#c6ad6b}#opc-intro .continuity-list h3{font-size:16px;margin-bottom:7px}#opc-intro .continuity-list p{font-size:13px;color:#c2beae}#opc-intro .start{padding-block:80px}#opc-intro .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;list-style:none;padding:0;margin:36px 0}#opc-intro .steps li>span{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:10px;background:#eee5cb;color:#856d30;font-size:12px;margin-bottom:18px}#opc-intro .steps h3{font-size:16px;margin-bottom:12px}#opc-intro .steps p{font-size:13px;color:var(--muted)}#opc-intro .account-note{border:1px solid #dfd5b9;background:#f5efdc;padding:22px 26px;border-radius:12px}#opc-intro .account-note strong{font-size:14px}#opc-intro .account-note p{font-size:12px;color:#746b54;margin-top:6px}#opc-intro .faq{display:grid;grid-template-columns:1fr 2fr;gap:80px;padding-block:20px 80px}#opc-intro details{border-bottom:1px solid var(--line)}#opc-intro summary{display:flex;justify-content:space-between;gap:16px;align-items:center;min-height:64px;cursor:pointer;font-size:14px;list-style:none;padding:14px 0;font-weight:550}#opc-intro summary::-webkit-details-marker{display:none}#opc-intro summary span{font-size:23px;color:#8c7847;transition:transform .15s}#opc-intro details[open] summary span{transform:rotate(45deg)}#opc-intro details p{font-size:13px;color:var(--muted);padding:0 24px 22px 0}#opc-intro .final-cta{border:1px solid #ded1aa;border-radius:16px;background:#f2e9ce;display:flex;align-items:center;justify-content:space-between;padding:40px;gap:30px}#opc-intro .final-cta h2{font-size:27px}#opc-intro .final-cta p:not(.eyebrow){font-size:13px;color:#736747;margin-top:12px}#opc-intro .final-cta .btn{flex-shrink:0}#opc-intro .footer{display:flex;justify-content:space-between;gap:16px;font-size:11px;color:#80786a;padding-block:28px 40px}
@media(max-width:1050px){#opc-intro nav{display:none}#opc-intro .nav-inner>.btn{margin-left:auto}#opc-intro .board-grid{grid-template-columns:1fr 1fr}#opc-intro .proposal-mini{display:none}#opc-intro .section-heading{display:block}#opc-intro .section-heading>p{margin-top:16px}#opc-intro .demo-layout{grid-template-columns:220px minmax(0,1fr)}#opc-intro .demo-copy{padding:22px}#opc-intro .demo-canvas{padding:20px}#opc-intro .tier{padding:18px 10px}#opc-intro .tier strong{font-size:23px}#opc-intro .continuity-grid,#opc-intro .faq{gap:40px}#opc-intro .final-cta{display:block}#opc-intro .final-cta .btn{margin-top:24px}}
@media(max-width:700px){#opc-intro .wrap{width:calc(100% - 36px)}#opc-intro .review-note{font-size:10px}#opc-intro .nav-inner{height:66px;gap:10px}#opc-intro .brand{font-size:12px;gap:7px}#opc-intro .brand-mark{width:28px;height:28px;font-size:17px;border-radius:8px}#opc-intro .nav .btn.small{font-size:11px;padding:8px 10px;gap:7px}#opc-intro .hero{padding-top:36px}#opc-intro h1{font-size:34px;letter-spacing:-1px}#opc-intro .eyebrow{font-size:10px;letter-spacing:.07em}#opc-intro .lead{font-size:13px;line-height:1.9;margin-top:18px}#opc-intro .desktop{display:none}#opc-intro .actions{gap:8px;margin-top:22px}#opc-intro .btn{font-size:12px;padding:10px 14px;gap:12px;min-height:46px}#opc-intro .hero-note{font-size:10px;margin:16px 0 28px;line-height:1.9}#opc-intro .hero-note i{margin:0 4px}#opc-intro .board-bar{padding:12px 14px;font-size:11px}#opc-intro .board-bar>span:last-child{display:none}#opc-intro .board-grid{grid-template-columns:1fr;padding:12px;gap:12px}#opc-intro .quote-mini{display:none}#opc-intro .mini{padding:20px 16px}#opc-intro .mini h2{font-size:16px;margin-bottom:10px}#opc-intro .mini-tiers{height:150px}#opc-intro .audience{padding-block:36px 44px}#opc-intro .audience-grid{grid-template-columns:1fr 1fr;gap:26px 18px}#opc-intro .audience-grid>div{padding-left:12px}#opc-intro .audience-grid h3{font-size:14px}#opc-intro .audience-grid p{font-size:12px}#opc-intro .demo-section{padding:42px 0}#opc-intro h2{font-size:25px;letter-spacing:-.5px}#opc-intro .section-heading>p{font-size:12px}#opc-intro .demo-tabs{gap:4px;padding:7px}#opc-intro .demo-tabs button{font-size:10px;min-height:58px}#opc-intro .demo-tabs button span{display:block;font-size:12px;margin:2px 0 0}#opc-intro .demo-layout{display:block}#opc-intro .demo-copy{border-right:0;border-bottom:1px solid var(--line);padding:22px}#opc-intro .demo-copy h3{font-size:19px}#opc-intro .demo-copy ul{display:none}#opc-intro .demo-copy .text-link{margin-top:12px}#opc-intro .demo-canvas{padding:18px 12px}#opc-intro .tier-grid{gap:6px}#opc-intro .tier{padding:15px 8px;border-radius:8px}#opc-intro .tier h4{font-size:14px}#opc-intro .tier>span{font-size:9px}#opc-intro .tier strong{font-size:20px}#opc-intro .tier strong small{display:block;font-size:10px}#opc-intro .tier ul{font-size:10px;padding-top:10px;margin-top:10px}#opc-intro .canvas-label{font-size:10px;margin-bottom:14px}#opc-intro .canvas-note,#opc-intro .demo-disclaimer{font-size:10px}#opc-intro .demo-disclaimer{padding:12px 16px}#opc-intro .quote-controls{gap:12px}#opc-intro .quote-result{padding:18px 14px;gap:10px}#opc-intro .quote-result strong{font-size:29px}#opc-intro .quote-result .metrics{font-size:11px}#opc-intro .proposal-doc{padding:22px 16px}#opc-intro .proposal-doc h3{font-size:19px}#opc-intro .doc-row{grid-template-columns:60px 1fr;gap:12px;font-size:11px}#opc-intro .catalog{padding-block:44px}#opc-intro .filters{flex-wrap:nowrap;overflow:auto;gap:4px}#opc-intro .filters button{white-space:nowrap;font-size:12px;padding:10px 12px}#opc-intro .tool-grid{grid-template-columns:1fr;gap:12px}#opc-intro .tool{min-height:185px;padding:22px}#opc-intro .continuity{padding-block:44px}#opc-intro .continuity-grid{grid-template-columns:1fr;gap:20px}#opc-intro .section-copy{font-size:13px}#opc-intro .start{padding-block:44px}#opc-intro .steps{grid-template-columns:1fr 1fr;gap:26px 20px}#opc-intro .steps h3{font-size:14px}#opc-intro .steps p{font-size:12px}#opc-intro .account-note{padding:20px}#opc-intro .faq{grid-template-columns:1fr;gap:20px;padding-block:12px 44px}#opc-intro .faq h2 br{display:none}#opc-intro summary{font-size:13px}#opc-intro .final-cta{padding:28px 24px}#opc-intro .final-cta h2{font-size:24px}#opc-intro .footer{flex-wrap:wrap;font-size:10px;gap:10px}#opc-intro .footer>span:last-child{width:100%}}
@media(prefers-reduced-motion:reduce){#opc-intro *,#opc-intro *::before,#opc-intro *::after{transition:none!important;scroll-behavior:auto!important}}

/* Theme boundary: only this new introduction page. */
#opc-intro .nav{z-index:20}#opc-intro h1,#opc-intro h2,#opc-intro h3,#opc-intro h4{color:inherit}#opc-intro .hero h1 span{color:#806526}#opc-intro button{box-shadow:none}#opc-intro .demo-tabs button{color:#c9c4b7}#opc-intro .demo-tabs [aria-selected=true]{color:#3e3316}#opc-intro .filters [aria-pressed=true]{color:#f8e9b6}#opc-intro .filters button:not([aria-pressed=true]){color:#68665d}#opc-intro a:hover{color:inherit}#opc-intro a.btn.gold{color:#292515}#opc-intro .tool:hover{color:var(--ink)}#opc-intro .tool-link{color:#8b6c25}#opc-intro summary{color:var(--ink)}