:root{--ink:#102d32;--deep:#0d3b3a;--teal:#176957;--mint:#a9d6c1;--paper:#f7f3e9;--cream:#fffdf8;--coral:#ee7653;--gold:#e4bd62;--line:#d8d8cc;--muted:#5f6f70;--shadow:0 24px 60px rgba(16,45,50,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.6}button,a{font:inherit}button{cursor:pointer}.section-wrap{width:min(1120px,calc(100% - 64px));margin:0 auto}.site-header{height:76px;padding:0 32px;border-bottom:1px solid rgba(16,45,50,.13);display:flex;align-items:center;gap:44px;background:rgba(247,243,233,.96);position:sticky;top:0;z-index:10}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:800;letter-spacing:.02em;white-space:nowrap}.brand img{width:34px;height:34px}.main-nav{display:flex;gap:30px;margin-left:auto}.main-nav a{color:var(--muted);text-decoration:none;font-size:14px}.main-nav a:hover{color:var(--teal)}.header-cta,.button{border:0;border-radius:3px;padding:12px 20px;font-weight:700;line-height:1.2}.header-cta{background:var(--deep);color:#fff;padding:11px 17px;font-size:14px}.hero{display:grid;grid-template-columns:minmax(0,.84fr) minmax(460px,1.16fr);gap:72px;align-items:center;padding-top:100px;padding-bottom:105px}.eyebrow{margin:0 0 15px;color:var(--teal);font-size:13px;font-weight:800;letter-spacing:.12em}.hero h1{font-size:clamp(42px,5.2vw,72px);line-height:1.08;letter-spacing:-.04em;margin:0 0 28px;max-width:560px}.hero h1 em{font-style:normal;color:var(--teal)}.hero-lead{max-width:510px;color:var(--muted);font-size:17px;margin:0 0 30px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap}.button{text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.button-primary{background:var(--teal);color:#fff}.button-primary:hover{background:var(--deep)}.button-secondary{border:1px solid var(--ink);color:var(--ink);background:transparent}.button-secondary:hover{background:var(--cream)}.hero-note{font-size:12px;color:var(--muted);margin:20px 0 0}.status-dot{display:inline-block;width:8px;height:8px;background:var(--coral);border-radius:50%;margin-right:8px}.product-stage{background:var(--deep);box-shadow:var(--shadow);color:#f7f3e9;padding:0 20px 18px;transform:rotate(1deg)}.window-bar{height:66px;display:flex;align-items:center;gap:14px;border-bottom:1px solid rgba(255,255,255,.14)}.window-dots{display:flex;gap:7px}.window-dots i{width:9px;height:9px;border-radius:50%;display:block;background:var(--gold)}.window-dots i:nth-child(2){background:var(--coral)}.window-dots i:nth-child(3){background:var(--mint)}.window-bar strong{font-size:14px}.window-state{font-size:11px;color:var(--mint);margin-left:auto}.window-body{display:grid;grid-template-columns:1fr 1.35fr;gap:16px;padding:20px 0}.file-tree{border:1px solid rgba(169,214,193,.42);padding:18px 14px;min-height:300px}.tree-title{font-size:13px;margin:0 0 18px;color:var(--mint)}.tree-item{display:flex;gap:10px;border-top:1px solid rgba(255,255,255,.15);padding:15px 0}.tree-item.active{background:rgba(169,214,193,.12);margin:0 -8px;padding-left:8px;padding-right:8px}.file-mark{width:8px;height:28px;display:block;flex:none}.file-mark.teal{background:var(--mint)}.file-mark.coral{background:var(--coral)}.file-mark.yellow{background:var(--gold)}.tree-item b,.tree-item small{display:block}.tree-item b{font-size:13px}.tree-item small{font-size:11px;color:#9cb7b2;margin-top:3px}.preview-panel{background:var(--cream);color:var(--ink);padding:28px;min-height:300px;display:flex;flex-direction:column}.preview-kicker{font-size:12px;color:var(--teal);font-weight:800}.preview-panel h2{font-size:25px;line-height:1.2;margin:38px 0 10px}.preview-panel p{font-size:13px;color:var(--muted);margin:0}.preview-lines{margin-top:auto}.preview-lines span{display:block;height:8px;background:#d0ded8;margin-top:9px;width:100%}.preview-lines span:nth-child(2){width:78%}.preview-lines span:nth-child(3){width:54%}.device-tags{display:flex;gap:7px;margin-top:20px}.device-tags span{background:var(--teal);color:#fff;font-size:11px;padding:5px 8px}.window-footer{display:flex;justify-content:space-between;color:#9cb7b2;font-size:11px;padding-top:3px}.proof-strip{background:var(--deep);color:#fff}.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);padding:26px 0;gap:20px}.proof-grid div{border-left:2px solid var(--coral);padding-left:16px}.proof-grid strong,.proof-grid span{display:block}.proof-grid strong{font-size:18px}.proof-grid span{font-size:12px;color:var(--mint);margin-top:2px}.content-section{padding-top:112px;padding-bottom:112px}.section-heading{margin-bottom:48px}.section-heading h2{font-size:clamp(30px,3.4vw,48px);line-height:1.18;letter-spacing:-.03em;margin:0}.fit-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}.fit-grid article{padding:28px 28px 10px 0;border-right:1px solid var(--line);min-height:205px}.fit-grid article:not(:first-child){padding-left:28px}.fit-grid article:last-child{border-right:0}.number{font-size:13px;color:var(--coral);font-weight:800}.fit-grid h3{font-size:20px;margin:30px 0 10px}.fit-grid p{font-size:14px;color:var(--muted);margin:0;max-width:290px}.tinted{background:#e9eee7}.tinted>.section-wrap{padding-top:0}.flow-list{border-top:1px solid #c6d4cc;margin:0;padding:0;list-style:none}.flow-list li{display:grid;grid-template-columns:100px 1fr;gap:25px;padding:25px 0;border-bottom:1px solid #c6d4cc}.flow-list li>span{color:var(--coral);font-weight:800}.flow-list h3{margin:0 0 6px;font-size:18px}.flow-list p{margin:0;color:var(--muted);font-size:14px}.requirements{display:flex;gap:12px;flex-wrap:wrap;margin-top:35px;font-size:13px}.requirements strong{margin-right:8px}.requirements span{background:var(--cream);padding:7px 11px}.price-layout{display:grid;grid-template-columns:360px 1fr;gap:60px;align-items:start}.price-card{background:var(--deep);color:#fff;padding:30px;box-shadow:var(--shadow)}.price-label{color:var(--mint);font-size:13px;font-weight:800}.price{font-size:66px;font-weight:800;line-height:1;margin:22px 0 8px}.price span{font-size:20px;margin-right:4px}.price-card>p{color:var(--mint);margin:0}.price-card ul{padding:18px 0 10px;margin:0;list-style:none;border-top:1px solid rgba(255,255,255,.17);margin-top:25px}.price-card li{padding:5px 0;font-size:14px}.price-card li::before{content:"✓";color:var(--coral);margin-right:10px}.price-card .button{width:100%;margin-top:18px}.price-side{display:grid;grid-template-columns:1fr 1fr;gap:35px;border-top:1px solid var(--line)}.price-side>div{padding-top:25px}.side-label{color:var(--teal);font-size:13px;font-weight:800;display:block}.price-side strong{font-size:28px;display:block;margin:20px 0 8px}.price-side p{color:var(--muted);font-size:14px;margin:0}.text-link{border:0;padding:0;background:none;color:var(--teal);font-weight:800;margin-top:18px}.faq-section{background:var(--cream)}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:22px 0}summary{cursor:pointer;font-size:17px;font-weight:700;list-style:none;display:flex;justify-content:space-between}summary::-webkit-details-marker{display:none}summary::after{content:"+";font-size:22px;font-weight:400;color:var(--teal)}details[open] summary::after{content:"−"}details p{color:var(--muted);font-size:14px;max-width:680px;margin:14px 0 0}.contact-band{background:var(--coral);color:#fff;padding:70px 0}.contact-inner{display:flex;justify-content:space-between;gap:40px;align-items:end}.contact-band .eyebrow{color:#fff}.contact-band h2{font-size:clamp(30px,3.5vw,48px);line-height:1.16;margin:0}.contact-actions{text-align:right}.contact-actions p{margin:0 0 16px}.button-light{background:#fff;color:var(--deep)}.copy-button{background:none;border:1px solid rgba(255,255,255,.7);color:#fff;margin-left:8px;padding:11px 14px;border-radius:3px;font-size:13px}.site-footer{background:var(--deep);color:#fff;padding:50px 0 22px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;padding-bottom:40px}.footer-brand{color:#fff}.footer-grid p{color:#a8c0bc;font-size:13px;max-width:300px;margin:12px 0 0}.footer-grid strong{font-size:13px}.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#8da7a2;font-size:11px}dialog{border:0;border-top:4px solid var(--coral);width:min(520px,calc(100% - 32px));padding:30px;box-shadow:var(--shadow);color:var(--ink)}dialog::backdrop{background:rgba(13,59,58,.42)}dialog h2{margin:0 0 10px;font-size:28px}dialog p{font-size:14px;color:var(--muted)}dialog textarea{display:block;width:100%;min-height:170px;padding:14px;border:1px solid var(--line);background:var(--paper);color:var(--ink);font:14px/1.7 inherit;resize:vertical;margin:20px 0}.dialog-close{position:absolute;right:17px;top:12px;background:none;border:0;font-size:28px;color:var(--muted}.dialog-footnote{font-size:12px!important;margin-bottom:0}.dialog-close:hover{color:var(--ink)}
@media(max-width:820px){.site-header{height:64px;padding:0 20px;gap:12px}.brand img{width:30px;height:30px}.main-nav{display:none}.header-cta{margin-left:auto;padding:10px 13px}.section-wrap{width:min(100% - 40px,560px)}.hero{display:block;padding-top:66px;padding-bottom:70px}.hero h1{font-size:46px}.hero-lead{font-size:16px}.product-stage{margin-top:48px;transform:none;padding-left:14px;padding-right:14px}.window-body{grid-template-columns:1fr}.file-tree{display:none}.preview-panel{min-height:270px}.proof-grid{display:block;padding:0}.proof-grid div{padding:18px 20px;border-left:0;border-top:1px solid rgba(255,255,255,.18)}.proof-grid div:first-child{border-top:0}.content-section{padding-top:76px;padding-bottom:76px}.section-heading{margin-bottom:34px}.fit-grid{display:block}.fit-grid article,.fit-grid article:not(:first-child){border-right:0;border-bottom:1px solid var(--line);padding:24px 0;min-height:auto}.fit-grid article:last-child{border-bottom:0}.fit-grid h3{margin:17px 0 8px}.flow-list li{grid-template-columns:45px 1fr;gap:10px}.price-layout{display:block}.price-card{max-width:none}.price-side{margin-top:45px;display:block}.price-side>div{border-bottom:1px solid var(--line);padding:24px 0}.contact-inner{display:block}.contact-actions{text-align:left;margin-top:32px}.footer-grid{display:block}.footer-grid>div{margin-bottom:28px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:6px}.window-footer{display:block}.window-footer span{display:block;margin-top:4px}}
@media(max-width:420px){.section-wrap{width:calc(100% - 32px)}.hero h1{font-size:41px}.hero-actions .button{width:100%}.hero-note{font-size:11px}.window-bar{gap:9px}.window-bar strong{font-size:12px}.preview-panel h2{font-size:22px}}
.dialog-close{color:var(--muted);}