:root{--ink:#18211d;--muted:#66716b;--line:#dfe5e1;--paper:#f5f7f5;--green:#116149;--green2:#0b4535;--lime:#d8f47a;--red:#d4533b;--white:#fff;--shadow:0 18px 50px rgba(17,48,38,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--ink);background:#fff;letter-spacing:0}button,input,textarea,select{font:inherit}button,a{cursor:pointer}a{color:inherit;text-decoration:none}.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 5vw;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.96);z-index:20}.brand{display:flex;align-items:center;gap:10px;font-weight:800}.brand b{color:var(--green);margin-left:6px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;background:var(--green);color:#fff;font-size:16px}.topbar nav{display:flex;gap:28px;font-size:14px;color:var(--muted)}.topbar nav a:hover{color:var(--green)}.nav-actions{display:flex;gap:8px}.btn{border:0;padding:10px 18px;font-weight:700;background:none}.btn.primary{background:var(--green);color:#fff}.btn.primary:hover{background:var(--green2)}.btn.ghost{border:1px solid var(--line);background:#fff}.btn.dark{background:var(--ink);color:#fff}.btn.light{background:#fff;color:var(--green2)}.btn.text{color:var(--green)}.btn.large{padding:15px 24px}.icon-btn{display:none;border:0;background:none;font-size:23px}.hero{min-height:690px;padding:86px 6vw 70px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(430px,.95fr);gap:7vw;align-items:center;background:linear-gradient(110deg,#f3f7f4 0%,#fff 60%)}.eyebrow{color:var(--green);font-size:13px;font-weight:800;text-transform:uppercase}.hero h1{font-size:60px;line-height:1.12;margin:18px 0 24px;letter-spacing:0}.hero h1 em{font-style:normal;color:var(--green)}.hero-copy>p{max-width:680px;font-size:18px;line-height:1.9;color:var(--muted)}.hero-actions{display:flex;align-items:center;gap:14px;margin:34px 0}.proof{display:flex;gap:0;border-top:1px solid var(--line);padding-top:26px}.proof div{padding-right:30px;margin-right:30px;border-right:1px solid var(--line);display:flex;flex-direction:column}.proof div:last-child{border:0}.proof strong{font-size:20px}.proof span{font-size:12px;color:var(--muted);margin-top:5px}.hero-scene{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:24px}.scene-head{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;border-bottom:1px solid var(--line);padding-bottom:18px}.scene-head>span:last-child{margin-left:auto;color:var(--muted)}.live-dot{width:8px;height:8px;background:#39b87f;border-radius:50%;box-shadow:0 0 0 5px #dff5ea}.scene-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:12px;margin:18px 0}.scene-main,.metric{background:var(--paper);padding:20px}.scene-main strong,.metric strong{display:block;font-size:38px;margin:8px 0}.scene-main p,.metric span{font-size:12px;color:var(--muted)}.bar{height:7px;background:#dce3df}.bar i{display:block;width:68%;height:100%;background:var(--green)}.workflow{border:1px solid var(--line)}.workflow div{display:flex;justify-content:space-between;padding:15px;border-bottom:1px solid var(--line);font-size:14px}.workflow div:last-child{border:0}.workflow span{font-size:12px;color:var(--muted)}.workflow .active{border-left:3px solid var(--red)}.workflow .done{border-left:3px solid var(--green)}.scene-note{background:var(--green2);color:#fff;padding:20px;margin-top:15px;line-height:1.7}.pain-band{display:grid;grid-template-columns:repeat(4,1fr);background:var(--ink);color:#fff;padding:28px 6vw}.pain-band div{padding:0 28px;border-right:1px solid #3b4540;display:flex;flex-direction:column}.pain-band div:last-child{border:0}.pain-band span{color:#aeb8b3;font-size:13px;margin-top:5px}.section{padding:100px 6vw}.section-head{max-width:760px;margin-bottom:50px}.section-head.row{max-width:none;display:flex;align-items:end;justify-content:space-between}.section h2{font-size:40px;line-height:1.25;margin:12px 0}.section-head p{color:var(--muted);line-height:1.8}.method-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line)}.method-grid article{padding:40px;border-right:1px solid var(--line)}.method-grid article:last-child{border:0}.method-grid span{font-size:13px;color:var(--green);font-weight:800}.method-grid h3{font-size:25px;margin:50px 0 14px}.method-grid p,.tool-card p{color:var(--muted);line-height:1.8}.tools{background:var(--paper)}.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.tool-card{background:#fff;border:1px solid var(--line);padding:28px;min-height:330px;display:flex;flex-direction:column}.tool-card.featured{background:var(--green2);color:#fff}.tool-card.featured p,.tool-card.featured small{color:#d5e4de}.tool-icon{width:42px;height:42px;display:grid;place-items:center;background:var(--lime);color:var(--green2);font-weight:900;margin-bottom:25px}.tool-card small{color:var(--green);font-weight:700}.tool-card h3{font-size:22px;margin:12px 0}.tool-card button{margin-top:auto;text-align:left;border:0;background:none;padding:0;color:var(--green);font-weight:800}.featured button{color:var(--lime)}.case-layout{display:grid;grid-template-columns:1.4fr .8fr;gap:50px}.timeline{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.timeline div{padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.timeline b{color:var(--green)}.timeline p,.case-layout aside p{color:var(--muted);line-height:1.7}.case-layout aside{background:#eef3ef;padding:36px;align-self:stretch}.case-layout aside span{font-size:12px;color:var(--red);font-weight:800}.case-layout aside h3{font-size:26px;line-height:1.4}.case-layout aside a{display:block;margin-top:30px;color:var(--green);font-weight:800}.about{display:grid;grid-template-columns:.75fr 1.25fr;gap:7vw;background:var(--ink);color:#fff}.about-portrait{min-height:380px;background:#d8f47a;color:var(--green2);display:flex;flex-direction:column;justify-content:flex-end;padding:36px}.portrait-word{font-size:72px;font-weight:900}.about-copy p{color:#c7d0cc;line-height:1.9}.signature{font-size:24px;font-weight:800;margin-top:30px}.signature span{display:block;font-size:12px;color:#9ba7a1;margin-top:7px}.cta{margin:70px 6vw;display:flex;align-items:center;justify-content:space-between;background:var(--green);color:#fff;padding:52px 60px}.cta h2{font-size:36px;margin:10px 0}.cta p{color:#cfe1da}.cta .wechat{text-align:center;color:#fff}footer{padding:50px 6vw;display:grid;grid-template-columns:1fr auto;gap:20px;border-top:1px solid var(--line);font-size:13px}footer>div:first-child{display:flex;flex-direction:column;gap:8px}footer span,footer small{color:var(--muted)}.footer-links{display:flex;gap:18px;flex-wrap:wrap}footer small{grid-column:1/-1}.modal{position:fixed;inset:0;z-index:50;display:none}.modal.show{display:block}.modal-backdrop{position:absolute;inset:0;background:rgba(12,20,17,.62)}.modal-panel{position:relative;background:#fff;width:min(620px,calc(100% - 28px));max-height:90vh;overflow:auto;margin:5vh auto;padding:34px;box-shadow:var(--shadow)}.modal-close{position:absolute;right:16px;top:12px;border:0;background:none;font-size:28px}.modal h2{margin-top:0}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:flex;flex-direction:column;gap:7px;margin-bottom:14px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:700}.field input,.field textarea,.field select{width:100%;padding:12px;border:1px solid #cfd7d2;background:#fff}.field textarea{min-height:120px;resize:vertical}.form-error{color:#b63c2b;font-size:13px}.result-box{background:var(--paper);padding:24px}.result-score{font-size:52px;font-weight:900;color:var(--green)}.result-box li{margin:12px 0;line-height:1.6}.app-shell{position:fixed;inset:0;z-index:40;background:var(--paper);display:grid;grid-template-columns:230px 1fr}.app-shell[hidden]{display:none}.app-sidebar{background:var(--ink);color:#fff;padding:22px 14px;display:flex;flex-direction:column;gap:5px}.app-sidebar .brand{padding:0 8px 22px;margin-bottom:10px;border-bottom:1px solid #38423d}.app-sidebar button{border:0;background:none;color:#aeb8b3;text-align:left;padding:13px 14px}.app-sidebar button:hover,.app-sidebar button.active{background:#2e3933;color:#fff}.app-sidebar #exitApp{margin-top:auto}.app-main{overflow:auto}.app-main>header{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px}.app-main>header>div{display:flex;align-items:center;gap:12px}.app-main>header span{font-size:12px;color:var(--muted)}.credit-pill{background:#ecf3ef;padding:8px 12px}.credit-pill b{color:var(--green)}#appContent{padding:28px;max-width:1200px}.dashboard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.dash-card,.workspace-card{background:#fff;border:1px solid var(--line);padding:24px}.dash-card strong{font-size:30px;display:block;margin-top:20px}.quick-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}.quick-actions button{border:1px solid var(--line);background:#fff;padding:20px;text-align:left}.workspace{display:grid;grid-template-columns:360px 1fr;gap:16px}.output{white-space:pre-wrap;line-height:1.8;min-height:430px}.notice{padding:12px;background:#fff6da;color:#765900;font-size:13px;margin-bottom:16px}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line)}table{border-collapse:collapse;width:100%}th,td{padding:13px;text-align:left;border-bottom:1px solid var(--line);font-size:13px}th{background:#f0f3f1}.credit-input{width:80px;padding:7px}.material-list{display:grid;gap:10px}.material-item{background:#fff;border:1px solid var(--line);padding:18px}.legal-copy{line-height:1.8;color:var(--muted)}@media(max-width:900px){.topbar nav{display:none}.icon-btn{display:block}.hero{grid-template-columns:1fr;padding-top:55px}.hero h1{font-size:44px}.pain-band{grid-template-columns:repeat(2,1fr);gap:20px}.pain-band div{border:0;padding:0}.method-grid,.tool-grid{grid-template-columns:repeat(2,1fr)}.method-grid article:nth-child(2){border-right:0}.case-layout,.about{grid-template-columns:1fr}.app-shell{grid-template-columns:78px 1fr}.app-sidebar .brand span:last-child,.app-sidebar button{font-size:0}.app-sidebar button::first-letter{font-size:18px}.workspace{grid-template-columns:1fr}.dashboard-grid,.quick-actions{grid-template-columns:1fr}}@media(max-width:600px){.topbar{padding:0 16px}.brand b{display:none}.nav-actions .ghost{display:none}.hero{padding:45px 20px}.hero h1{font-size:36px}.hero-copy>p{font-size:16px}.proof{display:grid;grid-template-columns:1fr 1fr;gap:15px}.proof div{border:0}.hero-scene{padding:15px}.scene-grid{grid-template-columns:1fr}.section{padding:72px 20px}.section h2{font-size:31px}.section-head.row,.cta{display:block}.method-grid,.tool-grid,.timeline{grid-template-columns:1fr}.method-grid article{border-right:0;border-bottom:1px solid var(--line)}.cta{margin:35px 0;padding:42px 20px}.cta h2{font-size:29px}.cta>div:last-child{margin-top:25px}.about{padding:60px 20px}footer{grid-template-columns:1fr;padding:40px 20px}.footer-links{display:grid}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.modal-panel{padding:28px 20px}.app-main>header{padding:0 12px}#appContent{padding:14px}.app-main>header #planName{display:none}}