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img{max-width:min(92vw,1200px);max-height:88vh;object-fit:contain}.lightbox button{position:absolute;right:24px;top:20px;border:0;background:transparent;color:#fff;font-size:42px}.lightbox p{position:absolute;bottom:8px;color:#fff;font-weight:800}.reveal{opacity:0;transform:translateY(22px);transition:.7s ease}.reveal.visible{opacity:1;transform:none}.delay-1{transition-delay:.12s}
@media(max-width:1100px){.topbar nav{display:none;position:absolute;top:78px;right:0;left:0;padding:18px;flex-wrap:wrap;background:#fff;border-radius:16px;box-shadow:var(--shadow)}.topbar nav.open{display:flex}.nav-toggle{display:block}.hero{grid-template-columns:1fr;min-height:auto;padding-top:145px}.hero-visual{height:580px}.hero-art{width:75%}.hero-proof{grid-template-columns:repeat(2,1fr);gap:18px}.coverage-strip{grid-template-columns:repeat(3,1fr)}.ia-columns{grid-template-columns:repeat(3,1fr)}.ia-lines{display:none}.price-stair{grid-template-columns:repeat(3,1fr);align-items:stretch}.price-stair article{min-height:0!important}.merch-grid{grid-template-columns:repeat(2,1fr)}.ip-bridge{grid-template-columns:1fr}.ip-bridge b{transform:rotate(90deg);text-align:center}.flow-output,.tech,.contribution{grid-template-columns:1fr}.flow-output{display:grid}.tech-flow{flex-wrap:wrap}.tech-flow span{min-width:160px}}
@media(max-width:760px){.topbar{width:calc(100% - 20px);height:60px;top:8px;margin-top:8px;padding:0 16px}.hero{padding:110px 20px 40px}.hero h1{font-size:42px}.lead{font-size:16px}.hero-visual{height:430px}.hero-art{width:88%;right:-16%;top:34px}.hero-art img{height:330px}.hero-phone{width:150px;height:330px;border-width:6px;border-radius:24px}.note-b{display:none}.hero-proof{grid-template-columns:1fr 1fr}.hero-proof div{padding:0 10px}.section{padding:80px 18px}.section-head h2{font-size:37px}.coverage-strip{grid-template-columns:1fr 1fr}.ui-wall{columns:2 145px;column-gap:10px}.ui-shot{margin-bottom:12px}.ui-shot>div{border-width:4px;border-radius:15px}.origin-grid,.rights-grid,.exchange,.test-card,.tech,.contribution{grid-template-columns:1fr}.origin-grid{gap:30px}.three-layer,.users,.ops-grid,.points-rule{grid-template-columns:1fr}.genesis{grid-template-columns:1fr}.compare-table{overflow-x:auto}.compare-row{min-width:820px}.ia{padding:24px 16px}.ia-columns{grid-template-columns:1fr 1fr}.closed-loop{grid-template-columns:1fr}.lane{grid-template-columns:1fr}.lane>div{padding:12px}.flow-map{padding:14px}.flow-output{display:grid}.merch-grid{grid-template-columns:1fr 1fr;gap:10px}.merch-grid figure>div{height:180px}.catalog-note{grid-template-columns:1fr}.price-stair{grid-template-columns:1fr 1fr}.contribution{padding:28px}.contribution ul{grid-template-columns:1fr}.tech-flow{display:grid;grid-template-columns:1fr}.tech-flow b{transform:rotate(90deg)}footer{padding-top:35px}}
@media(max-width:440px){.hero-route i{display:none}.hero-note{font-size:10px}.hero-proof{grid-template-columns:1fr}.coverage-strip{grid-template-columns:1fr}.ia-columns,.price-stair,.merch-grid{grid-template-columns:1fr}.ui-wall{columns:2 130px}.section-head h2{font-size:32px}.merch-grid figure>div{height:260px}}

/* V3完整内容与70%桌面信息密度 */
@media(min-width:1200px){body{zoom:.7}}
.hero-art{width:560px;height:560px;right:2%;top:24px;border-radius:50%;}
.hero-art img{width:100%;height:100%;object-fit:cover;object-position:72% center}
.hero-phone{left:2%;bottom:36px;width:214px;height:448px;border:3px solid #fff;border-radius:32px;background:transparent}
.hero-phone img{width:100%;height:100%;object-fit:cover;object-position:top}
.gallery-title{max-width:1500px;margin:42px auto 18px;display:flex;align-items:center;gap:16px}
.gallery-title>span{display:grid;place-items:center;width:64px;height:42px;border-radius:99px;background:var(--navy);color:#fff;font-size:12px;font-weight:900}
.gallery-title h3,.gallery-title p{margin:0}.gallery-title p{font-size:12px;color:#6b8594}
.showcase-title{margin-top:70px}.showcase-wall{max-width:1500px;margin:auto;display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.showcase-wall .ui-shot{margin:0}.showcase-wall .ui-shot>div{border-radius:18px}
.context-banner{display:flex;align-items:center;gap:24px;margin-bottom:36px;padding:25px 30px;border-radius:18px;background:#e9f7fd}
.context-banner strong{font-family:"Songti SC",serif;font-size:58px;color:#087eb3;line-height:1}.context-banner h3,.context-banner p{margin:0}.context-banner p{color:#5d798a;font-size:14px}
.origin-loop{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:28px;padding:24px;border-radius:16px;background:var(--navy)}
.origin-loop span{padding:9px 12px;border-radius:9px;background:#0d456b;color:#fff;font-size:12px;font-weight:800}.origin-loop b{color:var(--yellow)}
.funding{display:grid;grid-template-columns:150px 1fr;gap:20px;margin-top:16px;padding:22px 26px;border-left:4px solid var(--yellow);background:#fff9e9}.funding p{margin:0;color:#5d7888;font-size:14px}
.jtbd{max-width:1160px;margin:0 auto 36px;padding:28px 34px;border-radius:18px;background:var(--navy);color:#fff}.jtbd small{color:#72d0f0;letter-spacing:.15em;font-weight:900}.jtbd p{margin:8px 0 0;font-family:"Songti SC",serif;font-size:24px}
.users.four{grid-template-columns:repeat(4,1fr)}.users.four article p{min-height:50px}
.strategy-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:55px}.strategy-grid article{padding:26px;border:1px solid #d1e5ed;border-radius:18px;background:#f8fcfe}.strategy-grid b{font-size:25px;color:#087daf}.strategy-grid p{min-height:54px;color:#4f6d7e}.strategy-grid span{font-size:12px;color:#738b99}
.strategy .ia-columns{grid-template-columns:repeat(4,1fr)}
.lifecycle{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;padding:28px;border-radius:18px;background:linear-gradient(90deg,#072f50,#0b5b84);color:#fff}.lifecycle span,.lifecycle strong{padding:9px 12px;border-radius:9px;background:rgba(255,255,255,.1);font-size:12px}.lifecycle strong{background:var(--yellow);color:var(--navy)}.lifecycle b{color:#79d2ef}
.first-visit{display:grid;grid-template-columns:150px 1fr;gap:18px;margin:18px 0 28px;padding:18px 22px;border:1px solid #cfe4ed;border-radius:14px;background:#fff}.first-visit b{color:#087eaf}.first-visit span{color:#5e7b8c;font-size:13px}
.features{background:#fff}.feature-table,.level-benefits{border:1px solid #d6e6ed;border-radius:22px;overflow:hidden;background:#fff}.feature-row{display:grid;grid-template-columns:.7fr 1.25fr 1.65fr 1.1fr;border-top:1px solid #e0ebef}.feature-row:first-child{border-top:0}.feature-row>*{padding:18px 20px;border-right:1px solid #e0ebef;font-size:13px}.feature-row>*:last-child{border-right:0}.feature-row.head{background:var(--navy);color:#fff;font-weight:900}.feature-row b{color:#087dad}
.interaction-principles{margin-top:28px;padding:30px;border-radius:22px;background:#eef8fc}.interaction-principles ol{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 30px;margin:18px 0 0;padding-left:24px}.interaction-principles li{color:#516f81;font-size:14px}
.ip .section-head{max-width:1180px}.ip-poster{max-width:620px;margin-bottom:52px;border-width:8px;border-radius:20px}.ip-map{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin:0 auto 18px;max-width:1450px;color:var(--ink)}.ip-map>div{padding:17px;border-radius:13px;background:#fff;box-shadow:0 8px 24px rgba(9,57,85,.08)}.ip-map b,.ip-map span{display:block}.ip-map b{color:#087eae}.ip-map span{margin-top:5px;color:#6b8391;font-size:11px}
.merch-grid figure>div{height:auto;aspect-ratio:1/1}.merch-grid img{object-fit:cover;object-position:center}
.product-tree{display:grid;grid-template-columns:.75fr repeat(3,1fr);gap:12px;margin-bottom:34px}.product-tree>*{padding:24px;border-radius:16px}.tree-root{display:grid;place-items:center;text-align:center;background:var(--yellow);font-weight:900}.product-tree article{border:1px solid #d2e5ed;background:#f7fcfe}.product-tree article b,.product-tree article span{display:block}.product-tree article span{margin-top:8px;color:#617d8e;font-size:12px}
.dual-strategy{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:center;margin:28px 0;padding:26px;border-radius:18px;background:#eef8fc}.dual-strategy article{padding:18px;background:#fff;border-radius:12px}.dual-strategy h3,.dual-strategy p{margin:0}.dual-strategy p{color:#627e8e;font-size:13px}.dual-strategy>b{max-width:160px;text-align:center;color:#0a7eae;font-size:12px}
.growth{background:#f7fbfd}.level-benefits{margin-top:20px}.level-benefits .feature-row{grid-template-columns:.6fr 1fr 1fr 1.7fr}.points-rule{margin-top:20px}.task-system{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px}.task-system>div{padding:24px;border:1px solid #d4e6ed;border-radius:18px;background:#fff}.task-system h3,.task-system p{margin:0}.task-system h3{color:#087dad}.task-system p{margin-top:8px;color:#617d8e;font-size:13px}
.operations{background:#edf7fb}.admin-ia{padding:30px;border-radius:22px;background:var(--navy);color:#fff}.admin-ia h3{margin-top:0}.admin-ia>div{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.admin-ia span{padding:14px;border:1px solid #35617a;border-radius:10px;color:#bed3df;font-size:12px}.admin-ia b{display:block;color:#71d1f1}
.north-metric{margin:22px 0;padding:26px;border-left:5px solid var(--yellow);background:#fff}.north-metric small,.north-metric strong{display:block}.north-metric small{color:#0c83b6;font-weight:900;letter-spacing:.12em}.north-metric strong{font-family:"Songti SC",serif;font-size:29px}.north-metric p{margin:3px 0;color:#668090}
.funnel{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:18px;padding:22px;border-radius:14px;background:#fff;font-size:13px;font-weight:800}.funnel b{color:#dfa716}
.test-iteration{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}.test-iteration>div{padding:25px;border-radius:16px;background:#fff}.test-iteration h3,.test-iteration p{margin:0}.test-iteration p{margin-top:8px;color:#627d8e;font-size:13px}
.tech-section{background:#fff}.system-architecture{padding:34px;border-radius:24px;background:var(--navy);color:#fff}.external-services{display:flex;justify-content:center;gap:12px;margin-top:24px}.external-services span{padding:9px 14px;border:1px dashed #5c8aa4;border-radius:99px;color:#bcd5e2;font-size:12px}
.data-model{margin-top:24px;padding:28px;border:1px solid #d4e5ec;border-radius:20px}.data-model>div{display:flex;align-items:center;gap:9px;flex-wrap:wrap;padding:12px 0;border-top:1px solid #e2ebef}.data-model>div:first-of-type{border-top:0}.data-model b{min-width:110px;color:#087dae}.data-model span{padding:7px 10px;border-radius:8px;background:#eef8fc;font-size:12px}
.tech-value{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}.tech-value span{padding:18px;border-radius:13px;background:#eef8fc;font-size:12px;font-weight:800}
.contribution-section{background:#edf7fb;padding-bottom:30px}.result-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.result-grid article{padding:24px;border-radius:17px;background:#fff}.result-grid strong{color:#087eaf}.result-grid p{margin-bottom:0;color:#647f8f;font-size:13px}
.retrospective{margin:26px 0;padding:30px 38px;border-left:5px solid var(--yellow);background:#fff;font-family:"Songti SC",serif;font-size:23px;color:var(--ink)}

@media(max-width:1199px){body{zoom:1}.hero-art{width:520px;height:520px}.users.four{grid-template-columns:repeat(2,1fr)}.ip-map{grid-template-columns:repeat(3,1fr)}.product-tree{grid-template-columns:1fr 1fr}.tree-root{grid-column:1/-1}.task-system,.admin-ia>div,.tech-value,.result-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.hero-art{width:330px;height:330px;right:-12%;top:28px}.hero-art img{height:100%}.hero-phone{width:142px;height:300px;border-width:2px;left:0;bottom:12px}.showcase-wall{grid-template-columns:1fr}.users.four,.strategy-grid,.interaction-principles ol,.task-system,.admin-ia>div,.test-iteration,.tech-value,.result-grid{grid-template-columns:1fr}.feature-table,.level-benefits{overflow-x:auto}.feature-row{min-width:760px}.context-banner{align-items:flex-start}.funding,.first-visit{grid-template-columns:1fr}.ip-poster{max-width:88%}.ip-map{grid-template-columns:repeat(2,1fr)}.product-tree,.dual-strategy{grid-template-columns:1fr}.dual-strategy>b{max-width:none}.external-services{flex-wrap:wrap}}

.completion-table{max-width:1500px;margin:0 auto 48px}.subsection-title{margin:54px 0 18px}.subsection-title small{display:block;color:#0a82b5;font-size:11px;font-weight:900;letter-spacing:.14em}.subsection-title h3{margin:5px 0;font-family:"Songti SC",serif;font-size:29px}
.data-table-wrap{width:100%;overflow-x:auto;border:1px solid #d4e5ec;border-radius:18px;background:#fff}.data-table-wrap table{width:100%;border-collapse:collapse;min-width:760px}.data-table-wrap th,.data-table-wrap td{padding:15px 18px;border-right:1px solid #dfebf0;border-bottom:1px solid #dfebf0;text-align:left;font-size:13px;vertical-align:top}.data-table-wrap th:last-child,.data-table-wrap td:last-child{border-right:0}.data-table-wrap tbody tr:last-child td{border-bottom:0}.data-table-wrap th{background:#082f4f;color:#fff;font-weight:900}.data-table-wrap tbody tr:nth-child(even){background:#f7fbfd}.data-table-wrap td:first-child{font-weight:900;color:#087dae}.data-table-wrap code{padding:2px 5px;border-radius:4px;background:#e9f5fa;color:#075e87;font-size:11px}
.pain-chain{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin:-12px 0 34px;padding:20px;border:1px solid #d3e5ed;border-radius:15px;background:#fff}.pain-chain span,.pain-chain strong{padding:8px 12px;border-radius:8px;background:#eef8fc;font-size:12px}.pain-chain strong{background:#fff2c9;color:#7b5b00}.pain-chain b{color:#e3aa1d}
.redemption-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:18px;margin-top:20px}.rule-list{padding:25px;border-radius:18px;background:#eef8fc}.rule-list h3{margin-top:0}.rule-list li{margin:9px 0;color:#587587;font-size:13px}
.operation-flows{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:16px 0 28px}.operation-flows p{margin:0;padding:15px 18px;border-radius:12px;background:#fff;color:#607d8e;font-size:12px}.operation-flows b{display:inline-block;min-width:50px;color:#087eaf}
.test-matrices{display:grid;grid-template-columns:.8fr 1.2fr;gap:18px}.results-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.results-list span{padding:14px 18px;border:1px solid #d4e5ec;border-radius:11px;background:#fff;font-size:13px;font-weight:800}.results-list span:before{content:"✓";margin-right:9px;color:#16a193}
.interview-pitch{margin-top:26px;padding:34px;border-radius:22px;background:var(--navy);color:#fff}.interview-pitch small{color:#72d0ef;font-weight:900;letter-spacing:.13em}.interview-pitch h3{font-family:"Songti SC",serif;font-size:30px}.interview-pitch p{color:#c9dce6;font-size:14px}.sources{display:grid;grid-template-columns:auto repeat(3,1fr);gap:12px;margin-top:20px;padding:20px;border-radius:14px;background:#fff}.sources b{color:#087faf}.sources span{color:#6b8290;font-size:11px}
@media(max-width:760px){.redemption-grid,.operation-flows,.test-matrices,.results-list,.sources{grid-template-columns:1fr}.pain-chain{display:grid}.pain-chain b{transform:rotate(90deg);text-align:center}.data-table-wrap table{min-width:680px}}

/* 完整页面跳转与三类商品交互路径 */
.route-map{margin:28px 0;padding:30px;border:1px solid #cde3ec;border-radius:24px;background:#fff;box-shadow:var(--shadow)}
.route-root{display:grid;grid-template-columns:1fr 1fr;gap:14px}.route-root>div{padding:21px 24px;border-radius:15px;background:var(--navy);color:#fff}.route-root small,.route-root strong,.route-root span{display:block}.route-root small{color:#71cfee;font-size:10px;font-weight:900;letter-spacing:.12em}.route-root strong{font-size:19px}.route-root span{color:#bed4df;font-size:11px}
.route-map>h3{margin:32px 0 15px;font-family:"Songti SC",serif;font-size:27px}.route-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.route-grid article{display:grid;grid-template-columns:1fr auto;gap:5px 10px;padding:18px;border:1px solid #d8e8ee;border-radius:13px;background:#f9fcfd}.route-grid b{font-size:12px}.route-grid i{grid-row:1/3;grid-column:2;font-style:normal;color:#27a1cf;font-size:22px;align-self:center}.route-grid strong{color:#087dad;font-size:14px}.route-grid span{grid-column:1/-1;color:#6a8392;font-size:11px}.route-note{margin:16px 0 0;padding:13px 16px;border-left:3px solid var(--yellow);background:#fff9e8;color:#617b8a;font-size:12px}
.commerce-system{margin-top:24px;padding:32px;border-radius:24px;background:#072f50;color:#fff}.commerce-title{display:grid;grid-template-columns:1fr 1.2fr;gap:20px;margin-bottom:22px}.commerce-title small{color:#75d1ef;font-weight:900;letter-spacing:.12em}.commerce-title h3{margin:3px 0;font-family:"Songti SC",serif;font-size:31px}.commerce-title p{align-self:end;color:#bad1dd;font-size:13px}.commerce-lane{display:grid;grid-template-columns:260px 1fr;margin-top:10px;border:1px solid #35617b;border-radius:14px;overflow:hidden}.commerce-lane header{display:flex;align-items:center;gap:13px;padding:18px;background:#0b4267}.commerce-lane header>span{font-size:11px;color:#71d0ef}.commerce-lane header b,.commerce-lane header small{display:block}.commerce-lane header small{color:#a9c8d7;font-size:10px}.commerce-lane>div{display:flex;align-items:center;gap:7px;flex-wrap:wrap;padding:13px 17px}.commerce-lane>div span,.commerce-lane>div strong{padding:8px 10px;border-radius:7px;background:#0b3e61;font-size:10px}.commerce-lane>div strong{background:#11809f;color:#fff}.commerce-lane>div i{font-style:normal;color:#6ac6e6}.support-path>div strong{background:#dfa91c}.creative-path>div strong{background:#7362b4}
.secondary-flows{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.secondary-flows article{padding:20px;border:1px solid #d2e5ed;border-radius:14px;background:#fff}.secondary-flows b,.secondary-flows span{display:block}.secondary-flows b{color:#087daf}.secondary-flows span{margin-top:7px;color:#607c8d;font-size:11px}

/* IP设计总览 */
.ip-intro{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:end;max-width:1500px;margin:0 auto 65px}.ip-intro h2{margin:5px 0 14px;font-family:"Songti SC",serif;font-size:72px}.ip-intro>div>p:last-child{max-width:600px;color:#c2dbe7}.ip-design-scope{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.ip-design-scope span{padding:17px 19px;border:1px solid rgba(255,255,255,.2);border-radius:13px;background:rgba(255,255,255,.06)}.ip-design-scope span:last-child{grid-column:1/-1}.ip-design-scope b,.ip-design-scope small{display:block}.ip-design-scope b{color:#fff}.ip-design-scope small{margin-top:4px;color:#9dc3d5;font-size:10px}.ip-character-title{max-width:900px;margin:0 auto 25px;text-align:center}.ip-character-title small{color:#6ed0f0;font-weight:900;letter-spacing:.13em}.ip-character-title h3{margin:5px 0;font-family:"Songti SC",serif;font-size:38px}.ip-character-title p{margin:6px 0;color:#bcd5e2;font-size:12px}
@media(max-width:1100px){.route-grid{grid-template-columns:repeat(2,1fr)}.commerce-lane{grid-template-columns:1fr}.commerce-title{grid-template-columns:1fr}.ip-intro{grid-template-columns:1fr;gap:25px}.ip-design-scope{grid-template-columns:repeat(3,1fr)}.ip-design-scope span:last-child{grid-column:auto}}
@media(max-width:760px){.route-root,.route-grid,.secondary-flows,.ip-design-scope{grid-template-columns:1fr}.commerce-system,.route-map{padding:18px}.commerce-lane>div{align-items:flex-start}.commerce-lane>div i{transform:rotate(90deg)}.ip-intro h2{font-size:52px}.ip-design-scope span:last-child{grid-column:auto}}

/* 扩展后的项目背景、生命周期、北极星指标与复盘 */
.background-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:0 0 52px}.background-metrics article{padding:24px;border:1px solid #d3e7ef;border-radius:18px;background:#fff;box-shadow:0 10px 28px rgba(23,78,107,.05)}.background-metrics b,.background-metrics span{display:block}.background-metrics b{font-family:"Songti SC",serif;font-size:27px;color:#087fb3}.background-metrics span{margin:2px 0 8px;font-weight:900}.background-metrics p{margin:0;color:#688292;font-size:13px}.origin-story>h3{margin:0 0 18px;color:var(--ink);font-family:"Songti SC",serif;font-size:29px}.three-layer article strong{display:block;margin-top:14px;color:#087fb3;font-size:13px}.opportunity-discovery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.opportunity-discovery article{position:relative;padding:26px 23px;border:1px solid #d3e7ef;border-radius:18px;background:linear-gradient(145deg,#fff,#f1faff)}.opportunity-discovery article:after{content:"→";position:absolute;right:-14px;top:50%;z-index:2;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:var(--yellow);color:var(--navy);font-weight:900;transform:translateY(-50%)}.opportunity-discovery article:last-child:after{display:none}.opportunity-discovery b{color:#0c83b6;font-size:11px;letter-spacing:.08em}.opportunity-discovery h3{margin:8px 0;font-size:18px}.opportunity-discovery p{margin:0;color:#607d8e;font-size:13px}.jtbd p{font-family:"Songti SC",serif}.lifecycle-stages{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:22px 0}.lifecycle-stages article{padding:25px;border:1px solid #d1e6ee;border-radius:18px;background:#fff}.lifecycle-stages small{color:#0a84b8;font-weight:900;letter-spacing:.08em}.lifecycle-stages h3{margin:6px 0 10px;font-size:19px}.lifecycle-stages p{margin:0 0 14px;color:#607c8d;font-size:13px}.lifecycle-stages p b{color:var(--ink)}.lifecycle-stages strong{display:block;padding-top:12px;border-top:1px dashed #cbdfe8;color:#087cae;font-size:12px}.reentry-loops{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0 0 30px}.reentry-loops article{padding:17px 20px;border-radius:14px;background:#dff2f9}.reentry-loops b,.reentry-loops span{display:block}.reentry-loops b{color:#087faf}.reentry-loops span{margin-top:4px;color:#5c7889;font-size:12px}.north-star-panel{display:grid;grid-template-columns:.8fr 1.2fr;margin:24px 0;border-radius:22px;background:#fff;box-shadow:0 12px 34px rgba(23,78,107,.07);overflow:hidden}.north-star-panel .north-metric{height:100%;margin:0;padding:34px;border-left:0;background:var(--navy);color:#fff}.north-star-panel .north-metric small{color:#71d0f1}.north-star-panel .north-metric strong{margin:9px 0;color:#fff}.north-star-panel .north-metric p{color:#bed4df}.north-reason{padding:32px}.north-reason h3{margin:0 0 8px;font-size:21px}.north-reason>p{margin:0 0 18px;color:#607c8d;font-size:14px}.north-reason>div{display:grid;gap:8px}.north-reason span{padding:9px 12px;border-radius:9px;background:#eef8fc;color:#587587;font-size:12px}.north-reason span b{margin-right:8px;color:#087faf}.retrospective-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.retrospective-grid article{padding:24px;border:1px solid #d3e6ed;border-radius:17px;background:#fff}.retrospective-grid b{color:#087faf}.retrospective-grid p{margin:8px 0 0;color:#5f7b8c;font-size:13px}
@media(max-width:1100px){.opportunity-discovery,.retrospective-grid{grid-template-columns:repeat(2,1fr)}.opportunity-discovery article:nth-child(2):after{display:none}.lifecycle-stages{grid-template-columns:repeat(2,1fr)}.north-star-panel{grid-template-columns:1fr}}
@media(max-width:760px){.background-metrics,.opportunity-discovery,.lifecycle-stages,.reentry-loops,.retrospective-grid{grid-template-columns:1fr}.opportunity-discovery article:after{display:none}.north-reason{padding:24px}.north-star-panel .north-metric{padding:26px}.context-banner{flex-direction:column}.context-banner strong{font-size:40px;white-space:nowrap}}

/* 项目背景：理念—行动成果—画展验证—机会—机制 */
.project-belief{display:grid;grid-template-columns:.78fr 1.22fr;gap:0;margin:46px 0 18px;border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}.project-belief>div{padding:34px 38px}.project-belief>div:first-child{background:var(--navy);color:#fff}.project-belief>div:last-child{background:#fff}.project-belief small{color:#73d1ef;font-weight:900;letter-spacing:.14em}.project-belief h3{margin:8px 0 0;font-family:"Songti SC",serif;font-size:34px;line-height:1.25}.project-belief h3 em{color:var(--yellow);font-style:normal}.project-belief b{font-family:"Songti SC",serif;font-size:25px}.project-belief p{margin:9px 0 0;color:#5c7889;font-size:14px}.charity-action-system{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.charity-action-system article{display:flex;flex-direction:column;padding:26px;border:1px solid #d2e6ee;border-radius:20px;background:#fff}.charity-action-system article.exhibition-action{background:linear-gradient(145deg,#eaf8ff,#fff8dd);border-color:#c9e2e9}.charity-action-system header{display:flex;align-items:center;gap:13px}.charity-action-system header>span{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:#087faf;color:#fff;font-size:12px;font-weight:900}.charity-action-system header b,.charity-action-system header small{display:block}.charity-action-system header small{color:#718a99;font-size:10px}.charity-action-system h3{margin:23px 0 9px;font-size:17px}.charity-action-system>article>p{margin:0 0 22px;color:#617d8e;font-size:13px}.charity-action-system article footer{display:grid;grid-template-columns:auto 1fr;gap:5px 10px;margin-top:auto;padding:16px 0 0;border-top:1px solid #dce9ee;text-align:left}.charity-action-system article footer strong{color:#087faf;font-size:16px}.charity-action-system article footer i{align-self:center;color:#708997;font-size:10px;font-style:normal}.exhibition-focus{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;margin-top:26px;padding:38px;border-radius:25px;background:linear-gradient(135deg,#062f51,#0b557f);color:#fff}.exhibition-focus small{color:#71d0ef;font-weight:900;letter-spacing:.13em}.exhibition-focus h3{margin:8px 0;font-family:"Songti SC",serif;font-size:32px;line-height:1.35}.exhibition-focus blockquote{margin:0;padding:0 0 0 25px;border-left:3px solid var(--yellow);align-self:center;font-family:"Songti SC",serif;font-size:21px;color:#d8e9f1}.exhibition-evidence{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:11px}.exhibition-evidence span{padding:15px;border:1px solid rgba(255,255,255,.17);border-radius:11px;background:rgba(255,255,255,.06);color:#bed4df;font-size:11px}.exhibition-evidence b{display:block;color:#fff;font-size:13px}.story-connector{display:flex;align-items:center;justify-content:center;gap:13px;flex-wrap:wrap;margin:22px 0 0;padding:22px;border-radius:15px;background:#fff5d5}.story-connector span,.story-connector strong{padding:8px 13px;border-radius:9px;background:#fff;font-size:12px}.story-connector strong{background:var(--yellow);color:var(--navy)}.story-connector b{color:#dc9f0f}.origin-mechanism{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:16px}.origin-mechanism article{padding:22px 25px;border-left:4px solid var(--yellow);background:#fffaf0}.origin-mechanism b{color:#087faf}.origin-mechanism p{margin:3px 0;color:#5f7b8c;font-size:13px}

/* 用户旅程、功能、规则与资产的一体化知识图谱 */
.product-graph-section{background:#edf7fb}.journey-spine{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr auto 1fr auto 1fr;align-items:center;gap:9px;padding:24px;border-radius:20px;background:var(--navy);color:#fff}.journey-spine>div{padding:13px 14px;border:1px solid #35617b;border-radius:12px;background:#0a4166}.journey-spine>div.active{border-color:var(--yellow);background:var(--yellow);color:var(--navy)}.journey-spine small,.journey-spine b,.journey-spine span{display:block}.journey-spine small{color:#71d0ef;font-size:9px;font-weight:900}.journey-spine .active small{color:#765800}.journey-spine b{font-size:14px}.journey-spine span{color:#b9d2df;font-size:9px}.journey-spine .active span{color:#684f06}.journey-spine i{color:#72cee9;font-style:normal}.product-knowledge-graph{margin-top:25px;border:1px solid #cbe2eb;border-radius:25px;background:#fff;overflow-x:auto;box-shadow:var(--shadow)}.graph-title{min-width:1500px;display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:end;padding:29px 32px;background:linear-gradient(90deg,#062f51,#0a517b);color:#fff}.graph-title small{color:#70d0ef;font-weight:900;letter-spacing:.13em}.graph-title h3{margin:5px 0;font-family:"Songti SC",serif;font-size:31px}.graph-title p{margin:0;color:#bed4df;font-size:12px}.graph-grid{min-width:1500px;display:grid;grid-template-columns:1.03fr .92fr 1.22fr 1.42fr 1.12fr}.graph-head{position:sticky;top:0;z-index:2;background:#dff1f8}.graph-head span{padding:13px 17px;border-right:1px solid #c8e0ea;color:#557587;font-size:10px;font-weight:900;letter-spacing:.08em}.graph-row{border-top:1px solid #dce9ee}.graph-row>div{position:relative;padding:18px 22px;border-right:1px solid #dce9ee;background:#fff}.graph-row>div:not(:last-child):after{content:"→";position:absolute;right:-11px;top:50%;z-index:1;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:#e7f6fb;color:#1687b6;font-size:11px;font-weight:900;transform:translateY(-50%)}.graph-row>div:first-child{border-left:5px solid #1688b8;background:#f5fbfd}.graph-row.support>div:first-child{border-left-color:#e3ab1c;background:#fffaf0}.graph-row.artwork>div:first-child{border-left-color:#1b9b8d;background:#f2fbf9}.graph-row.creative>div:first-child{border-left-color:#7866bd;background:#f7f5ff}.graph-row.activity>div:first-child{border-left-color:#e27b58;background:#fff6f2}.graph-row.fulfillment>div:first-child{border-left-color:#3a78ad;background:#f2f8fd}.graph-row.growth-row>div:first-child{border-left-color:#c89b24;background:#fffaf0}.graph-row.service>div:first-child{border-left-color:#bd6565;background:#fff5f5}.graph-row small{display:inline-block;padding:2px 7px;border-radius:99px;background:#e8f6fb;color:#087faf;font-size:9px;font-weight:900}.graph-row b,.graph-row strong{display:block;margin:6px 0;color:var(--ink);font-size:13px}.graph-row strong{color:#087faf}.graph-row p{margin:0;color:#607c8d;font-size:10px;line-height:1.7}.graph-shared-core{min-width:1500px;display:flex;align-items:center;justify-content:center;gap:7px;flex-wrap:wrap;padding:20px 25px;background:#082f4f;color:#fff}.graph-shared-core b{margin-right:8px;color:var(--yellow)}.graph-shared-core span{padding:7px 10px;border:1px solid #35617a;border-radius:8px;color:#c0d6e1;font-size:9px}.graph-return{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.graph-return article{padding:18px 20px;border:1px solid #d2e5ed;border-radius:14px;background:#fff}.graph-return b,.graph-return span,.graph-return i{display:block}.graph-return b{color:#087faf}.graph-return span{margin-top:5px;color:#425f72;font-size:12px}.graph-return i{color:#7a909d;font-size:10px;font-style:normal}.feature-rules{scroll-margin-top:100px;margin-top:105px;padding-top:10px}.interaction-state-table table{min-width:1200px}.interaction-state-table td:nth-child(2),.interaction-state-table td:nth-child(3),.interaction-state-table td:nth-child(4){color:#526f81}.interaction-constraints{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.interaction-constraints article{padding:20px;border:1px solid #d3e5ed;border-radius:14px;background:#fff}.interaction-constraints b{color:#087faf}.interaction-constraints p{margin:5px 0 0;color:#607c8d;font-size:12px}

@media(max-width:1100px){.project-belief,.exhibition-focus{grid-template-columns:1fr}.charity-action-system{grid-template-columns:1fr}.exhibition-evidence{grid-template-columns:1fr}.journey-spine{grid-template-columns:repeat(3,1fr)}.journey-spine i{display:none}.graph-return,.interaction-constraints{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.project-belief,.origin-mechanism{grid-template-columns:1fr}.project-belief>div{padding:25px}.exhibition-focus{padding:26px}.exhibition-focus blockquote{font-size:18px}.story-connector{display:grid}.story-connector b{transform:rotate(90deg);text-align:center}.journey-spine,.graph-return,.interaction-constraints{grid-template-columns:1fr}.journey-spine i{display:none}.graph-title{grid-template-columns:1fr}.product-knowledge-graph{border-radius:16px}.feature-rules{margin-top:75px}}
.graph-row.tracking>div:first-child{border-left-color:#0f9bb7;background:#eefaff}