.baoc-p4-root{ --pua-bg:#f4f8fc;--pua-panel:#ffffff;--pua-soft:#edf5fb;--pua-soft-2:#e7f0f8;--pua-text:#132238;--pua-muted:#566579;--pua-navy:#17375d;--pua-blue:#2e6fae;--pua-blue-dark:#1e568c;--pua-green:#2d7a62;--pua-amber:#b7791f;--pua-red:#b94343;--pua-line:#d7e3ee;--pua-shadow:0 18px 50px rgba(20,40,65,.08);--pua-radius:28px;background:linear-gradient(180deg,#f7fbff 0%,#edf4fa 100%);color:var(--pua-text);width:100%;padding:clamp(18px,3vw,42px) 0;box-sizing:border-box;font-family:inherit;} .baoc-p4-root *{box-sizing:border-box;} .baoc-p4-root .pua-shell{width:min(1240px,calc(100% - 28px));margin:0 auto;} .baoc-p4-root h2,.baoc-p4-root h3,.baoc-p4-root p,.baoc-p4-root ul,.baoc-p4-root ol{margin-top:0;} .baoc-p4-root p{font-size:1rem;line-height:1.72;color:var(--pua-muted);margin-bottom:16px;} .baoc-p4-root h2{font-size:clamp(1.6rem,3vw,2.55rem);line-height:1.18;color:var(--pua-text);margin-bottom:14px;letter-spacing:-.02em;} .baoc-p4-root h3{font-size:clamp(1.12rem,2vw,1.38rem);line-height:1.3;color:var(--pua-text);margin-bottom:12px;} .baoc-p4-root ul,.baoc-p4-root ol{padding-left:22px;margin-bottom:0;} .baoc-p4-root li{font-size:.98rem;line-height:1.65;color:var(--pua-muted);margin-bottom:8px;} .baoc-p4-root .pua-kicker,.baoc-p4-root .pua-mini-label{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:800;line-height:1;text-transform:uppercase;letter-spacing:.08em;color:var(--pua-blue-dark);margin-bottom:10px;} .baoc-p4-root .pua-hero{background:linear-gradient(135deg,#ffffff 0%,#eef6fc 55%,#e7f2fb 100%);border:1px solid var(--pua-line);border-radius:var(--pua-radius);padding:clamp(22px,4vw,44px);box-shadow:var(--pua-shadow);margin-bottom:24px;overflow:hidden;position:relative;} .baoc-p4-root .pua-hero:before{content:"";position:absolute;inset:auto -110px -140px auto;width:320px;height:320px;background:radial-gradient(circle,rgba(46,111,174,.16) 0%,rgba(46,111,174,0) 70%);pointer-events:none;} .baoc-p4-root .pua-hero-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.8fr);gap:28px;align-items:start;position:relative;z-index:1;} .baoc-p4-root .pua-series-pill{display:inline-flex;align-items:center;padding:10px 14px;border-radius:999px;background:#e4f0fa;border:1px solid #cbdfee;font-weight:800;font-size:.86rem;color:var(--pua-blue-dark);margin-bottom:18px;} .baoc-p4-root .pua-main-title{font-size:clamp(2rem,4.7vw,4.25rem);line-height:1.02;letter-spacing:-.045em;max-width:900px;margin-bottom:14px;} .baoc-p4-root .pua-hero-subtitle{font-size:clamp(1.08rem,2vw,1.34rem);line-height:1.5;font-weight:800;color:var(--pua-navy);margin-bottom:18px;} .baoc-p4-root .pua-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;} .baoc-p4-root .pua-btn{appearance:none;border:none;border-radius:999px;padding:14px 20px;font-weight:800;font-size:.96rem;line-height:1;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;} .baoc-p4-root .pua-btn:hover,.baoc-p4-root .pua-refresh-btn:hover,.baoc-p4-root .pua-option-btn:hover,.baoc-p4-root .pua-quiz-option:hover{transform:translateY(-1px);} .baoc-p4-root .pua-btn-primary{background:linear-gradient(135deg,var(--pua-blue) 0%,var(--pua-blue-dark) 100%);color:#fff;box-shadow:0 14px 30px rgba(30,86,140,.22);} .baoc-p4-root .pua-btn-secondary{background:#fff;color:var(--pua-text);border:1px solid var(--pua-line);} .baoc-p4-root .pua-hero-panel{background:rgba(255,255,255,.84);backdrop-filter:blur(10px);border:1px solid var(--pua-line);border-radius:24px;padding:24px;box-shadow:0 14px 35px rgba(18,34,56,.06);} .baoc-p4-root .pua-progress-wrap,.baoc-p4-root .pua-summary-card,.baoc-p4-root .pua-air-safe,.baoc-p4-root .pua-content-section,.baoc-p4-root .pua-quiz-wrap,.baoc-p4-root .pua-drill-wrap,.baoc-p4-root .pua-next-footer{background:var(--pua-panel);border:1px solid var(--pua-line);border-radius:var(--pua-radius);padding:clamp(20px,3vw,34px);box-shadow:var(--pua-shadow);margin-bottom:24px;} .baoc-p4-root .pua-progress-top{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:18px;} .baoc-p4-root .pua-progress-stat{font-size:1rem;font-weight:900;color:var(--pua-blue-dark);background:#eaf4fb;border:1px solid #cfe2f0;padding:12px 15px;border-radius:999px;white-space:nowrap;} .baoc-p4-root .pua-progress-track{height:16px;background:#e7eef5;border-radius:999px;overflow:hidden;border:1px solid #d4e0eb;} .baoc-p4-root .baoc-progress-fill{display:block;height:100%;width:0%;background:linear-gradient(90deg,var(--pua-blue) 0%,var(--pua-green) 100%);border-radius:999px;transition:width .28s ease;} .baoc-p4-root .pua-summary-head{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;margin-bottom:24px;} .baoc-p4-root .pua-summary-icon{display:flex;align-items:center;justify-content:center;width:62px;height:62px;border-radius:20px;background:linear-gradient(135deg,var(--pua-blue) 0%,var(--pua-blue-dark) 100%);color:#fff;font-weight:900;font-size:1rem;} .baoc-p4-root .pua-summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;} .baoc-p4-root .pua-summary-item{padding:18px;border-radius:20px;background:var(--pua-soft);border:1px solid #d6e6f3;min-height:160px;} .baoc-p4-root .pua-summary-item strong{display:block;font-size:1rem;line-height:1.35;color:var(--pua-text);margin-bottom:10px;} .baoc-p4-root .pua-summary-item span{display:block;font-size:.95rem;line-height:1.65;color:var(--pua-muted);} .pua-section-head{display:flex!important;align-items:flex-start!important;gap:18px!important;width:100%!important;max-width:100%!important;margin-bottom:24px!important;} .pua-section-head>div{display:block!important;flex:1 1 auto!important;width:100%!important;min-width:0!important;max-width:none!important;} .pua-section-head h2,.pua-section-head .pua-section-intro{display:block!important;width:100%!important;max-width:100%!important;white-space:normal!important;} .baoc-p4-root .pua-section-intro{font-size:1.04rem;line-height:1.72;color:var(--pua-muted);margin-bottom:0;} .baoc-p4-root .pua-section-number{display:inline-flex;align-items:center;justify-content:center;min-width:72px;min-height:72px;padding:12px;border-radius:22px;background:linear-gradient(135deg,#e8f3fb 0%,#dcecf8 100%);border:1px solid #cee0ee;font-size:.84rem;font-weight:900;line-height:1.2;text-align:center;letter-spacing:.04em;color:var(--pua-blue-dark);} .baoc-p4-root .pua-framework-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;} .baoc-p4-root .pua-framework-card{padding:18px 16px;border-radius:22px;background:#f7fafc;border:1px solid var(--pua-line);min-height:210px;} .baoc-p4-root .pua-framework-card.is-complete{background:#f2f8fc;border-color:#d0e1ed;} .baoc-p4-root .pua-framework-card.is-active{background:linear-gradient(180deg,#eef7fd 0%,#ffffff 100%);border-color:#bfd8ea;} .baoc-p4-root .pua-framework-card span{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:16px;background:#e7f1f8;color:var(--pua-blue-dark);font-weight:900;font-size:1.15rem;margin-bottom:14px;} .baoc-p4-root .pua-framework-card.is-active span{background:linear-gradient(135deg,var(--pua-blue) 0%,var(--pua-blue-dark) 100%);color:#fff;} .baoc-p4-root .pua-copy-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.78fr);gap:22px;align-items:start;} .baoc-p4-root .pua-callout{padding:22px;border-radius:22px;border:1px solid var(--pua-line);background:#f7fbff;} .baoc-p4-root .pua-callout p{margin-bottom:0;} .baoc-p4-root .pua-callout-blue{background:#eef7fd;border-color:#cfe4f3;} .baoc-p4-root .pua-callout-amber{background:#fff8ea;border-color:#eed9ab;} .baoc-p4-root .pua-callout-green{background:#eef9f5;border-color:#cfe7de;} .baoc-p4-root .pua-callout-red{background:#fff1f1;border-color:#efcccc;} .baoc-p4-root .pua-process-strip,.baoc-p4-root .pua-three-card-grid,.baoc-p4-root .pua-readiness-grid,.baoc-p4-root .pua-debrief-grid,.baoc-p4-root .pua-drill-grid{display:grid;gap:18px;margin-top:24px;} .baoc-p4-root .pua-process-strip,.baoc-p4-root .pua-three-card-grid,.baoc-p4-root .pua-readiness-grid,.baoc-p4-root .pua-debrief-grid{grid-template-columns:repeat(3,minmax(0,1fr));} .baoc-p4-root .pua-two-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:24px;} .baoc-p4-root .pua-small-card,.baoc-p4-root .pua-process-step,.baoc-p4-root .pua-readiness-card,.baoc-p4-root .pua-debrief-card{padding:22px;border-radius:22px;background:var(--pua-soft);border:1px solid #d7e6f2;} .baoc-p4-root .pua-best-card{background:#eff9f5;border-color:#cfe6dd;} .baoc-p4-root .pua-mistake-card{background:#fff5ef;border-color:#efd7c8;} .baoc-p4-root .pua-process-step span,.baoc-p4-root .pua-readiness-card span{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;padding:0 14px;border-radius:999px;background:linear-gradient(135deg,var(--pua-blue) 0%,var(--pua-blue-dark) 100%);color:#fff;font-weight:900;margin-bottom:14px;} .baoc-p4-root .pua-process-step p,.baoc-p4-root .pua-readiness-card p,.baoc-p4-root .pua-debrief-card p{margin-bottom:0;} .baoc-p4-root .pua-refresh-btn{margin-top:24px;appearance:none;border:1px solid #c8ddec;background:#eef7fd;color:var(--pua-blue-dark);border-radius:999px;padding:13px 18px;font-size:.94rem;font-weight:900;cursor:pointer;transition:transform .18s ease,background .18s ease,color .18s ease,border .18s ease;} .baoc-p4-root .pua-refresh-btn.is-done{background:#eaf7f0;color:#24644f;border-color:#bcdcca;} .baoc-p4-root .pua-capstone-box{padding:24px;border-radius:26px;background:linear-gradient(180deg,#f7fbff 0%,#eef5fb 100%);border:1px solid #d4e5f2;} .baoc-p4-root .pua-capstone-story p:last-child{margin-bottom:18px;font-weight:800;color:var(--pua-text);} .baoc-p4-root .pua-option-list{display:grid;gap:12px;} .baoc-p4-root .pua-option-btn,.baoc-p4-root .pua-quiz-option{width:100%;text-align:left;appearance:none;border:1px solid #d4e3ef;background:#fff;color:var(--pua-text);border-radius:18px;padding:16px 18px;font-size:.98rem;font-weight:750;line-height:1.55;cursor:pointer;transition:transform .18s ease,border .18s ease,background .18s ease;} .baoc-p4-root .pua-option-btn.is-correct,.baoc-p4-root .pua-quiz-option.is-correct{background:#edf9f3;border-color:#b9ddcb;} .baoc-p4-root .pua-option-btn.is-wrong,.baoc-p4-root .pua-quiz-option.is-wrong{background:#fff3f3;border-color:#e6c1c1;} .baoc-p4-root .pua-feedback{margin-top:14px;min-height:24px;padding:0;font-size:.96rem;line-height:1.65;font-weight:800;color:var(--pua-text);} .baoc-p4-root .pua-feedback.is-visible{padding:15px 16px;border-radius:18px;background:#f4f8fb;border:1px solid #d7e3ec;} .baoc-p4-root .pua-final-checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;} .baoc-p4-root .pua-checklist-card{padding:24px;border-radius:24px;background:#f8fbfe;border:1px solid var(--pua-line);} .baoc-p4-root .pua-checklist-card span{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg,var(--pua-blue) 0%,var(--pua-blue-dark) 100%);color:#fff;font-weight:900;margin-bottom:16px;} .baoc-p4-root .pua-quiz-card{padding:22px;border-radius:24px;background:#f8fbfe;border:1px solid var(--pua-line);margin-bottom:18px;} .baoc-p4-root .pua-quiz-card:last-child{margin-bottom:0;} .baoc-p4-root .pua-drill-grid{grid-template-columns:minmax(0,1.4fr) minmax(260px,.7fr);align-items:stretch;} .baoc-p4-root .pua-drill-card,.baoc-p4-root .pua-timer-card{padding:24px;border-radius:24px;border:1px solid var(--pua-line);background:#f8fbfe;} .baoc-p4-root .pua-drill-card ol{margin-bottom:22px;} .baoc-p4-root .pua-timer-card{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:linear-gradient(180deg,#eef7fd 0%,#ffffff 100%);} .baoc-p4-root .baoc-timer-value{display:block;font-size:clamp(4rem,8vw,6rem);line-height:1;letter-spacing:-.04em;color:var(--pua-blue-dark);margin:8px 0 10px;} .baoc-p4-root .pua-timer-card p{margin-bottom:10px;font-weight:800;color:var(--pua-text);} .baoc-p4-root .baoc-timer-message{font-size:.96rem;line-height:1.6;font-weight:800;color:var(--pua-muted);} .baoc-p4-root .pua-next-footer{background:linear-gradient(135deg,#17375d 0%,#224f7a 100%);color:#fff;border:none;} .baoc-p4-root .pua-next-footer .pua-kicker{color:#cce7ff;} .baoc-p4-root .pua-next-footer h2{color:#fff;margin-bottom:12px;} .baoc-p4-root .pua-next-footer p{color:rgba(255,255,255,.86);margin-bottom:0;max-width:980px;} @media(max-width:1180px){ .baoc-p4-root .pua-summary-grid{grid-template-columns:repeat(2,minmax(0,1fr));} } @media(max-width:980px){ .pua-section-head{flex-direction:column!important;align-items:stretch!important;gap:16px!important;} .pua-section-head>div{flex:1 1 100%!important;width:100%!important;min-width:100%!important;max-width:100%!important;} .baoc-p4-root .pua-hero-grid,.baoc-p4-root .pua-copy-grid,.baoc-p4-root .pua-drill-grid{grid-template-columns:1fr;} .baoc-p4-root .pua-progress-top{flex-direction:column;align-items:flex-start;} .baoc-p4-root .pua-section-number{min-width:auto;width:max-content;min-height:auto;padding:12px 16px;} .baoc-p4-root .pua-framework-grid,.baoc-p4-root .pua-process-strip,.baoc-p4-root .pua-three-card-grid,.baoc-p4-root .pua-readiness-grid,.baoc-p4-root .pua-debrief-grid{grid-template-columns:repeat(2,minmax(0,1fr));} } @media(max-width:760px){ .baoc-p4-root{padding:16px 0 28px;} .baoc-p4-root .pua-shell{width:min(100% - 18px,1240px);} .baoc-p4-root .pua-hero,.baoc-p4-root .pua-progress-wrap,.baoc-p4-root .pua-summary-card,.baoc-p4-root .pua-air-safe,.baoc-p4-root .pua-content-section,.baoc-p4-root .pua-quiz-wrap,.baoc-p4-root .pua-drill-wrap,.baoc-p4-root .pua-next-footer{border-radius:22px;padding:20px;} .baoc-p4-root .pua-summary-head,.baoc-p4-root .pua-summary-grid,.baoc-p4-root .pua-framework-grid,.baoc-p4-root .pua-process-strip,.baoc-p4-root .pua-three-card-grid,.baoc-p4-root .pua-two-card-grid,.baoc-p4-root .pua-readiness-grid,.baoc-p4-root .pua-debrief-grid,.baoc-p4-root .pua-final-checklist{grid-template-columns:1fr;} .baoc-p4-root .pua-hero-actions{flex-direction:column;align-items:stretch;} .baoc-p4-root .pua-btn,.baoc-p4-root .pua-refresh-btn{width:100%;} .baoc-p4-root .pua-progress-stat{white-space:normal;} }