:root{--bctp-ink:#102b31;--bctp-muted:#587078;--bctp-teal:#087f78;--bctp-teal-dark:#075b59;--bctp-mint:#dff3ee;--bctp-lime:#cfe983;--bctp-paper:#f6f6f0;--bctp-line:#cfddd8;--bctp-white:#fff;--bctp-shadow:0 28px 70px rgba(11,58,59,.12)}
.bctp-page{overflow:hidden;background:var(--bctp-paper);color:var(--bctp-ink);font-family:"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif}.bctp-page *{box-sizing:border-box}.bctp-shell{width:min(1180px,calc(100% - 40px));margin:0 auto}.bctp-hero{position:relative;padding:92px 0 82px;background:linear-gradient(135deg,#0a5554 0%,#0a6965 60%,#0b7770 100%);color:#fff}.bctp-hero:after{content:"";position:absolute;inset:auto -10% -55% 40%;height:580px;background:radial-gradient(circle,rgba(206,239,147,.17),transparent 65%);pointer-events:none}.bctp-hero-grid{display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:64px}.bctp-kicker{display:flex;align-items:center;gap:10px;margin:0 0 18px;font-size:13px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.bctp-kicker span{width:28px;height:2px;background:currentColor}.bctp-hero-copy h1{max-width:720px;margin:0;font-family:"Noto Serif SC","Songti SC",serif;font-size:clamp(45px,5.6vw,76px);line-height:1.12;letter-spacing:-.035em}.bctp-hero-copy h1 em{color:var(--bctp-lime);font-style:normal}.bctp-lede{max-width:650px;margin:30px 0 24px;color:rgba(255,255,255,.82);font-size:18px;line-height:1.9}.bctp-hero-points{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 30px}.bctp-hero-points span{padding:8px 12px;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(255,255,255,.07);font-size:13px}.bctp-text-link{display:inline-flex;align-items:center;gap:12px;color:#fff!important;font-weight:800;text-decoration:none}.bctp-text-link b{display:grid;width:34px;height:34px;place-items:center;border-radius:50%;background:var(--bctp-lime);color:var(--bctp-ink)}.bctp-molecule-stage{position:relative;min-height:500px}.bctp-molecule-stage svg{width:100%;height:auto;filter:drop-shadow(0 30px 40px rgba(0,0,0,.16))}.bctp-molecule-stage .orbit ellipse{fill:none;stroke:rgba(255,255,255,.18);stroke-width:1}.bctp-molecule-stage .bonds path{fill:none;stroke:url(#bctp-line);stroke-width:3}.bctp-molecule-stage .atoms circle{fill:#fff;stroke:var(--bctp-lime);stroke-width:6}.bctp-stage-card{position:absolute;right:0;bottom:12px;width:min(370px,82%);padding:22px 24px;border:1px solid rgba(255,255,255,.2);border-radius:18px;background:rgba(5,52,52,.78);box-shadow:0 18px 50px rgba(0,0,0,.18);backdrop-filter:blur(12px)}.bctp-stage-card small{display:block;color:var(--bctp-lime);font-weight:800}.bctp-stage-card strong{display:block;margin:6px 0 8px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:16px}.bctp-stage-card span{display:block;color:rgba(255,255,255,.68);font-size:13px;line-height:1.65}
.bctp-workbench-section{padding:100px 0}.bctp-section-heading{max-width:760px;margin-bottom:42px}.bctp-section-heading .bctp-kicker,.bctp-value-section .bctp-kicker,.bctp-method-section .bctp-kicker{color:var(--bctp-teal)}.bctp-section-heading h2,.bctp-value-grid h2,.bctp-method-grid h2{margin:0 0 16px;font-family:"Noto Serif SC","Songti SC",serif;font-size:clamp(34px,4vw,52px);line-height:1.24;letter-spacing:-.025em}.bctp-section-heading>p:last-child{margin:0;color:var(--bctp-muted);font-size:17px;line-height:1.8}.bctp-workbench{display:grid;grid-template-columns:255px 1fr;min-height:610px;border:1px solid var(--bctp-line);border-radius:28px;background:#fff;box-shadow:var(--bctp-shadow);overflow:hidden}.bctp-steps{padding:28px 18px;background:#0d4e4d}.bctp-steps button{display:flex;width:100%;gap:14px;align-items:center;padding:18px 14px;border:0;border-radius:14px;background:transparent;color:rgba(255,255,255,.54);text-align:left;cursor:default}.bctp-steps button.is-active{background:rgba(255,255,255,.1);color:#fff}.bctp-steps b{display:grid;flex:0 0 36px;height:36px;place-items:center;border:1px solid currentColor;border-radius:50%;font-size:12px}.bctp-steps strong,.bctp-steps small{display:block}.bctp-steps strong{font-size:15px}.bctp-steps small{margin-top:3px;font-size:12px;font-weight:400;opacity:.7}.bctp-panel{padding:48px 52px}.bctp-step{display:none}.bctp-step.is-active{display:block;animation:bctp-in .28s ease-out}@keyframes bctp-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.bctp-panel-title{display:flex;gap:16px;align-items:flex-start;margin-bottom:30px}.bctp-panel-title>span{display:grid;flex:0 0 38px;height:38px;place-items:center;border-radius:50%;background:var(--bctp-mint);color:var(--bctp-teal);font-size:12px;font-weight:900}.bctp-panel-title h3{margin:0 0 5px;font-size:25px}.bctp-panel-title p{margin:0;color:var(--bctp-muted);line-height:1.65}.bctp-input-tabs{display:flex;gap:8px;margin-bottom:18px}.bctp-input-tabs button{padding:9px 14px;border:1px solid var(--bctp-line);border-radius:999px;background:#fff;color:var(--bctp-muted);font-weight:700;cursor:pointer}.bctp-input-tabs button.is-active{border-color:var(--bctp-teal);background:var(--bctp-teal);color:#fff}.bctp-main-field{display:block;font-weight:800}.bctp-main-field span{display:block;margin-bottom:8px}.bctp-main-field textarea{width:100%;min-height:110px;padding:16px;border:1px solid #b8cac5;border-radius:14px;background:#fbfcfa;color:var(--bctp-ink);font:inherit;line-height:1.6;resize:vertical}.bctp-main-field textarea:focus,.bctp-lead-form input:focus,.bctp-lead-form select:focus{outline:3px solid rgba(8,127,120,.14);border-color:var(--bctp-teal)}.bctp-example-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:12px 0 24px;color:var(--bctp-muted);font-size:13px}.bctp-example-row button{border:0;border-bottom:1px dashed #8ea7a1;background:none;color:var(--bctp-teal);cursor:pointer}.bctp-button{display:inline-flex;justify-content:center;align-items:center;gap:12px;min-height:48px;padding:12px 22px;border:1px solid transparent;border-radius:12px;font:inherit;font-weight:800;text-decoration:none!important;cursor:pointer;transition:.2s ease}.bctp-button:hover{transform:translateY(-1px)}.bctp-button:disabled{opacity:.6;cursor:wait;transform:none}.bctp-primary{background:var(--bctp-teal);color:#fff!important}.bctp-primary:hover{background:var(--bctp-teal-dark)}.bctp-ghost{border-color:var(--bctp-line);background:#fff;color:var(--bctp-ink)!important}.bctp-status{min-height:24px;margin:14px 0 0;color:var(--bctp-muted);font-size:14px}.bctp-status.is-error{color:#a53535}.bctp-status.is-success{color:#08745d}.bctp-action-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.bctp-identity{display:grid;grid-template-columns:230px 1fr;gap:28px;align-items:center;padding:22px;border:1px solid var(--bctp-line);border-radius:20px;background:#fbfcfa}.bctp-identity-image{display:grid;min-height:220px;place-items:center;border-radius:14px;background:#fff}.bctp-identity-image img{max-width:210px;max-height:210px}.bctp-identity h4{margin:0 0 4px;font-size:25px}.bctp-identity-sub{margin:0 0 20px;color:var(--bctp-muted);font-size:14px}.bctp-identity dl{display:grid;grid-template-columns:110px 1fr;gap:9px 14px;margin:0}.bctp-identity dt{color:var(--bctp-muted);font-size:13px}.bctp-identity dd{min-width:0;margin:0;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13px;overflow-wrap:anywhere}.bctp-result-summary{display:flex;gap:14px;align-items:center;margin-bottom:18px;padding:16px 18px;border-radius:14px;background:var(--bctp-mint)}.bctp-result-summary b{font-size:28px;color:var(--bctp-teal)}.bctp-result-summary span{color:var(--bctp-muted);font-size:14px}.bctp-target-table-wrap{overflow-x:auto;border:1px solid var(--bctp-line);border-radius:14px}.bctp-target-table{width:100%;border-collapse:collapse;min-width:720px}.bctp-target-table th,.bctp-target-table td{padding:13px 14px;border-bottom:1px solid #e5ece9;text-align:left;font-size:13px;vertical-align:top}.bctp-target-table th{background:#f3f7f5;color:var(--bctp-muted);font-size:12px}.bctp-target-table td:nth-child(1){color:#8aa09a}.bctp-target-table td:nth-child(2) strong{display:block;color:var(--bctp-teal)}.bctp-target-table td:nth-child(2) small{color:var(--bctp-muted)}.bctp-score-notes{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0 22px}.bctp-score-notes div{padding:14px;border-left:3px solid var(--bctp-lime);background:#fafbf7}.bctp-score-notes b,.bctp-score-notes span{display:block}.bctp-score-notes span{margin-top:4px;color:var(--bctp-muted);font-size:12px;line-height:1.55}.bctp-field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.bctp-lead-form label{display:block;color:var(--bctp-ink);font-size:13px;font-weight:800}.bctp-lead-form label>b{color:#b43c35}.bctp-lead-form label>span{color:var(--bctp-muted);font-weight:400}.bctp-lead-form input,.bctp-lead-form select{width:100%;height:46px;margin-top:7px;padding:0 12px;border:1px solid #b8cac5;border-radius:10px;background:#fff;font:inherit;color:var(--bctp-ink)}.bctp-lead-form fieldset{margin:22px 0;border:0;padding:0}.bctp-lead-form legend{margin-bottom:10px;font-size:14px;font-weight:800}.bctp-lead-form legend span{color:var(--bctp-muted);font-weight:400}.bctp-check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.bctp-check-grid label{position:relative}.bctp-check-grid input{position:absolute;opacity:0}.bctp-check-grid label span{display:block;padding:10px;border:1px solid var(--bctp-line);border-radius:10px;color:var(--bctp-muted);text-align:center;cursor:pointer}.bctp-check-grid input:checked+span{border-color:var(--bctp-teal);background:var(--bctp-mint);color:var(--bctp-teal);font-weight:800}.bctp-consent{display:flex!important;gap:9px;align-items:flex-start;margin:16px 0 20px;font-weight:400!important;line-height:1.55}.bctp-consent input{flex:0 0 auto;width:auto;height:auto;margin-top:4px}.bctp-honeypot{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important}.bctp-downloads{padding:24px;border:1px solid #a9d5c8;border-radius:18px;background:var(--bctp-mint)}.bctp-downloads>div:first-child span{color:var(--bctp-teal);font-size:12px;font-weight:900;letter-spacing:.1em}.bctp-downloads h3{margin:5px 0}.bctp-downloads p{margin:0;color:var(--bctp-muted)}
.bctp-value-section{padding:100px 0;background:#fff}.bctp-value-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:100px}.bctp-value-list article{display:grid;grid-template-columns:60px 1fr;gap:18px;padding:25px 0;border-bottom:1px solid var(--bctp-line)}.bctp-value-list article:first-child{padding-top:0}.bctp-value-list b{color:var(--bctp-teal);font-family:ui-monospace,monospace}.bctp-value-list h3{margin:0 0 7px;font-size:21px}.bctp-value-list p{margin:0;color:var(--bctp-muted);line-height:1.8}.bctp-service-section{padding:100px 0;background:#103f41;color:#fff}.bctp-service-section .bctp-section-heading .bctp-kicker{color:var(--bctp-lime)}.bctp-service-section .bctp-section-heading>p:last-child{color:rgba(255,255,255,.7)}.bctp-service-track{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(255,255,255,.18);border-bottom:1px solid rgba(255,255,255,.18)}.bctp-service-track article{padding:34px 30px;border-right:1px solid rgba(255,255,255,.18)}.bctp-service-track article:last-child{border-right:0}.bctp-service-track span{color:var(--bctp-lime);font-family:ui-monospace,monospace}.bctp-service-track h3{margin:22px 0 10px;font-size:21px}.bctp-service-track p{margin:0;color:rgba(255,255,255,.68);line-height:1.75}.bctp-service-cta{display:flex;justify-content:space-between;gap:28px;align-items:center;margin-top:42px}.bctp-service-cta small,.bctp-service-cta strong{display:block}.bctp-service-cta small{margin-bottom:7px;color:var(--bctp-lime);font-weight:800}.bctp-service-cta strong{max-width:700px;font-size:18px;line-height:1.6}.bctp-light{background:var(--bctp-lime);color:var(--bctp-ink)!important}.bctp-method-section{padding:88px 0}.bctp-method-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px}.bctp-method-grid>div:last-child{color:var(--bctp-muted);font-size:16px;line-height:1.85}.bctp-method-grid ul{padding-left:20px}.bctp-method-grid li{margin:6px 0}
@media(max-width:900px){.bctp-hero-grid,.bctp-value-grid,.bctp-method-grid{grid-template-columns:1fr;gap:50px}.bctp-molecule-stage{min-height:auto;max-width:600px}.bctp-workbench{grid-template-columns:1fr}.bctp-steps{display:grid;grid-template-columns:repeat(4,1fr);padding:12px}.bctp-steps button{justify-content:center;padding:10px 5px}.bctp-steps button span{display:none}.bctp-panel{padding:34px}.bctp-service-track{grid-template-columns:1fr}.bctp-service-track article{border-right:0;border-bottom:1px solid rgba(255,255,255,.18)}.bctp-service-track article:last-child{border-bottom:0}}
@media(max-width:620px){.bctp-shell{width:min(100% - 24px,1180px)}.bctp-hero{padding:62px 0}.bctp-hero-copy h1{font-size:42px}.bctp-lede{font-size:16px}.bctp-molecule-stage{min-height:360px}.bctp-stage-card{bottom:0;width:94%}.bctp-workbench-section,.bctp-value-section,.bctp-service-section{padding:70px 0}.bctp-panel{padding:28px 18px}.bctp-panel-title h3{font-size:21px}.bctp-input-tabs{display:grid;grid-template-columns:1fr 1fr 1fr}.bctp-input-tabs button{padding:9px 6px;font-size:12px}.bctp-identity{grid-template-columns:1fr}.bctp-identity-image{min-height:180px}.bctp-score-notes,.bctp-field-grid,.bctp-check-grid{grid-template-columns:1fr}.bctp-service-cta{align-items:flex-start;flex-direction:column}.bctp-section-heading h2,.bctp-value-grid h2,.bctp-method-grid h2{font-size:34px}.bctp-value-list article{grid-template-columns:42px 1fr}.bctp-steps b{width:32px;height:32px}.bctp-workbench{border-radius:20px}}
@media(prefers-reduced-motion:reduce){.bctp-step.is-active{animation:none}.bctp-button{transition:none}}