.case-chat{--ink:#1a344b;--ink2:#24455e;--muted:#637b8f;--accent:#2672a6;--accent2:#1c7b85;--line:#dfE8ef;--bg:#f8fbfd;--light:#eaf3f9;--cyan:#e3f5f3;--white:#fff;--shade:#f2f6f9;--deep:#183c57;--ok:#34776d;--content:1060px}
.case-chat, .case-chat *{box-sizing:border-box}
.case-chat{scroll-behavior:smooth}
.case-chat{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;line-height:1.8;letter-spacing:.006em;-webkit-font-smoothing:antialiased}
.case-chat a{text-decoration:none;color:inherit}
.case-chat button{font:inherit}
.case-chat strong{color:var(--ink)}
.case-chat .draft{padding:10px 20px;text-align:center;font-size:11px;color:#476b86;background:#e6f0f8;font-weight:700;letter-spacing:.085em}
.case-chat nav{height:66px;background:#fff;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 max(25px,calc((100vw - 1180px)/2));position:sticky;top:0;z-index:40}
.case-chat .brand{font-size:16px;font-weight:800;letter-spacing:-.01em}
.case-chat .brand span{font-size:13px;color:#7a9ab6;margin-left:7px}
.case-chat .navlinks{display:flex;gap:27px;color:#6c8498;font-size:13px;font-weight:700}
.case-chat .navlinks a:hover{color:var(--accent)}
.case-chat main{max-width:1180px;padding:0 25px;margin:auto}
.case-chat .hero{padding:96px 0 74px;max-width:1050px}
.case-chat .eyebrow{font-size:12px;color:var(--accent);letter-spacing:.17em;font-weight:800;text-transform:uppercase}
.case-chat .hero h1{font-size:clamp(45px,6.5vw,86px);line-height:1.06;letter-spacing:-.055em;margin:23px 0 22px;max-width:940px}
.case-chat .hero .lead{font-size:clamp(19px,2.1vw,25px);line-height:1.64;color:#526e84;max-width:780px;margin:0 0 26px}
.case-chat .chips{display:flex;flex-wrap:wrap;gap:9px;margin:27px 0 40px}
.case-chat .chip{font-size:12px;letter-spacing:.02em;font-weight:700;color:#416681;border:1px solid #cbdfe9;border-radius:100px;padding:5px 13px;background:white}
.case-chat .hero-meta{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:21px 0;gap:25px}
.case-chat .meta-label{font-size:11px;text-transform:uppercase;font-weight:800;color:#87a0b2;letter-spacing:.1em}
.case-chat .meta-value{font-size:16px;font-weight:720;margin-top:6px}
.case-chat .layout{display:grid;grid-template-columns:176px minmax(0,1fr);gap:72px}
.case-chat .sidenav{position:sticky;align-self:start;top:99px;padding-top:26px}
.case-chat .sidenav a{display:block;padding:8px 0;font-size:12px;color:#6f8597}
.case-chat .sidenav a:hover{color:#2672a6}
.case-chat .body{min-width:0}
.case-chat .sec{padding:68px 0 77px;border-bottom:1px solid var(--line);scroll-margin-top:90px}
.case-chat .num{font-size:11px;font-weight:850;color:var(--accent);letter-spacing:.12em}
.case-chat .sec h2{font-size:clamp(27px,3vw,39px);line-height:1.35;letter-spacing:-.02em;margin:14px 0 23px}
.case-chat .sec h3{font-size:22px;line-height:1.4;margin:24px 0 16px}
.case-chat .sec p{font-size:16px;color:#52697d;margin:0 0 17px}
.case-chat .sec .fine{font-size:13px;color:#7e92a4}
.case-chat .copylist{color:#52697d;margin:8px 0 19px;padding-left:22px}
.case-chat .copylist li{margin:9px 0}
.case-chat .summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}
.case-chat .summary .panel{background:#fff;border:1px solid var(--line);padding:25px;border-radius:14px;min-width:0}
.case-chat .label{font-size:11px;color:var(--accent);font-weight:850;letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px}
.case-chat .summary .panel p{font-size:15px;margin:0;color:var(--ink2)}
.case-chat .quote{margin:27px 0 30px;border-left:4px solid var(--accent);padding:15px 0 15px 27px;font-size:clamp(22px,2.55vw,31px);line-height:1.55;font-weight:760;color:#173f5b}
.case-chat .context-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.case-chat .small-panel{border:1px solid var(--line);background:#fff;border-radius:14px;padding:24px}
.case-chat .small-panel h4{font-size:17px;margin:0 0 8px}
.case-chat .small-panel p{font-size:14px;margin:0;color:#61798b}
.case-chat .flow{display:grid;grid-template-columns:1fr 40px 1fr 40px 1fr;align-items:stretch;gap:7px;margin:28px 0}
.case-chat .flow .node{border:1px solid #d5e2ea;background:white;border-radius:12px;padding:17px 14px;display:flex;flex-direction:column;justify-content:space-between;min-height:139px}
.case-chat .flow .node strong{font-size:15px;line-height:1.5}
.case-chat .flow .node span{font-size:12px;color:#728798;line-height:1.6;margin-top:10px}
.case-chat .arrow{font-size:24px;color:#abc2d0;display:flex;align-items:center;justify-content:center}
.case-chat .principles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.case-chat .principles article{border-top:3px solid #b7d5e2;background:white;padding:21px 20px;border-radius:3px 3px 12px 12px}
.case-chat .principles article strong{display:block;font-size:15px;margin-bottom:10px;line-height:1.45}
.case-chat .principles article p{font-size:13px;margin:0}
.case-chat .decision{padding:31px 0 39px;border-bottom:1px solid #e1e9f1}
.case-chat .decision:last-child{border-bottom:0}
.case-chat .decno{font-size:12px;color:#6188a1;font-weight:800;letter-spacing:.1em}
.case-chat .decision h3{font-size:25px;margin:11px 0 19px}
.case-chat .two-columns{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.case-chat .two-columns>div{border:1px solid var(--line);border-radius:13px;background:white;padding:20px}
.case-chat .two-columns strong{font-size:13px;color:#326f9b;display:block;margin-bottom:9px}
.case-chat .two-columns p{font-size:14px;line-height:1.75;margin:0}
.case-chat .rationale{background:#ecf5fa;border-left:3px solid #77b4d4;padding:18px 21px;color:#365e78;font-size:14px;border-radius:0 11px 11px 0;margin-top:20px}
.case-chat .rationale b{color:#1e5377}
.case-chat .vis{border:1px solid #dce7ef;border-radius:18px;background:#fff;overflow:hidden;margin:27px 0 0;box-shadow:0 12px 30px rgba(24,56,77,.04)}
.case-chat .vis-top{padding:16px 22px;border-bottom:1px solid #e3ebf2;background:#f7fafc;display:flex;justify-content:space-between;gap:15px;align-items:center;flex-wrap:wrap}
.case-chat .vis-top b{font-size:13px;color:#3d6079}
.case-chat .vis-top span{font-size:11px;color:#8599a8}
.case-chat .vis-body{padding:22px}
.case-chat .vis figcaption{padding:0 22px 20px;color:#8295a4;font-size:12px;line-height:1.7}
.case-chat .template-view{border:1px solid #d9e5ed;border-radius:13px;overflow:hidden;display:grid;grid-template-columns:minmax(170px,33%) minmax(0,1fr);min-height:326px;box-shadow:0 5px 12px rgba(25,53,76,.035)}
.case-chat .template-menu{background:#f3f7fa;padding:20px 15px;border-right:1px solid #dce7ef}
.case-chat .template-menu .search{border:1px solid #dce5ed;border-radius:8px;padding:8px 10px;background:#fff;font-size:12px;color:#9aa9b3;margin:10px 0 16px}
.case-chat .filter-pair{display:flex;gap:7px;flex-wrap:wrap}
.case-chat .filter{border:1px solid #cddce7;background:#fff;color:#53728b;font-size:11px;padding:4px 8px;border-radius:6px}
.case-chat .filter.sel{background:#d9ebf5;border-color:#abcddd;color:#1b628f}
.case-chat .week-item{background:#fff;border:1px solid #dae6ee;padding:10px 11px;border-radius:8px;margin:10px 0;font-size:12px;color:#47637b}
.case-chat .week-item.active{background:#e3f1f8;border-color:#bed9e8;font-weight:720;color:#1c5f86}
.case-chat .template-content{padding:21px 22px}
.case-chat .template-content .mini-head{font-size:12px;font-weight:800;color:#5480a0;letter-spacing:.04em;margin-bottom:12px}
.case-chat .message{background:#f2f6fa;border:1px solid #e3ebf2;border-radius:11px;padding:17px 16px;min-height:114px;max-width:520px}
.case-chat .message .placeholder-line{height:9px;border-radius:7px;background:#d0e0ea;margin:8px 0}
.case-chat .message .placeholder-line:nth-child(2){width:79%}
.case-chat .message .placeholder-line:nth-child(3){width:66%}
.case-chat .message .stamp{font-size:11px;color:#698b9f;font-weight:700;margin-bottom:12px}
.case-chat .fake-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:17px}
.case-chat .action{border-radius:8px;font-size:12px;font-weight:760;padding:9px 14px;background:#2d729e;color:white}
.case-chat .action.alt{background:#fff;border:1px solid #cadae6;color:#3b7599}
.case-chat .flowpath{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:18px 0 0}
.case-chat .flowpath .step{font-size:12px;color:#3c708c;border:1px solid #ccdfeb;background:#eef6fa;padding:8px 11px;border-radius:9px;font-weight:760}
.case-chat .flowpath .arr{font-size:17px;color:#a8c1cf}
.case-chat .ai-demo{border:1px solid #dce7ef;border-radius:13px;overflow:hidden;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.85fr);min-height:330px}
.case-chat .ai-chat{padding:19px;background:#fff;min-width:0}
.case-chat .ai-side{padding:19px;border-left:1px solid #dce7ef;background:#f3f8fb;min-width:0}
.case-chat .mock-top{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#59798f;padding-bottom:11px;border-bottom:1px solid #e3ebf2;margin-bottom:17px;font-weight:750}
.case-chat .chat-bubble{background:#eaf3f8;padding:13px 14px;border-radius:12px 12px 12px 3px;max-width:93%;font-size:13px;color:#486d87;line-height:1.75}
.case-chat .ai-launch{display:inline-flex;padding:7px 11px;border:1px solid #b9d7e6;color:#2e7da4;background:white;border-radius:7px;font-weight:700;margin-top:10px;font-size:11px}
.case-chat .ai-side .ai-tag{display:inline-block;color:#276e8b;background:#dfeff4;font-size:11px;border-radius:6px;padding:4px 8px;font-weight:760}
.case-chat .ai-suggestion{background:white;border:1px solid #d6e6ee;border-radius:9px;margin-top:12px;padding:15px;font-size:12px;color:#53778c}
.case-chat .input-mock{border:1px solid #d9e5ed;background:white;padding:12px;border-radius:8px;margin-top:14px;font-size:12px;color:#6c879a}
.case-chat .mock-caption{color:#8397a6;font-size:11px;line-height:1.7;margin-top:12px}
.case-chat .safety-flag{display:inline-block;font-size:11px;color:#537e76;background:#e2f2ed;border:1px solid #c3e1d6;border-radius:100px;padding:4px 10px;margin-top:16px}
.case-chat .context-demo{border:1px solid #dbe6ee;display:grid;grid-template-columns:1fr 205px;border-radius:13px;overflow:hidden;background:white}
.case-chat .context-main{padding:20px}
.case-chat .context-side{padding:18px;background:#f2f7fa;border-left:1px solid #e0ebf2}
.case-chat .context-ghost{border-radius:9px;background:#edf3f6;height:15px;margin-bottom:12px}
.case-chat .context-ghost.short{width:58%}
.case-chat .context-card{background:white;border:1px solid #dce7ed;border-radius:9px;padding:11px 12px;font-size:12px;color:#57778a;margin:9px 0}
.case-chat .context-demo .tag{font-size:11px;color:#3e7697;font-weight:750;margin-bottom:10px}
.case-chat .outcomes{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.case-chat .outcome{background:#fff;border:1px solid var(--line);border-radius:13px;padding:25px}
.case-chat .outcome .check{display:inline-grid;place-items:center;width:27px;height:27px;background:#e2f2eb;color:#308273;border-radius:50%;font-weight:800;font-size:15px;margin-bottom:13px}
.case-chat .outcome strong{font-size:16px}
.case-chat .outcome p{font-size:14px;color:#617888;margin:10px 0 0}
.case-chat .footer-note{font-size:12px;color:#8196a6;background:#eff5f9;border-radius:11px;padding:14px 17px;margin-top:20px}
.case-chat .reflection{font-size:20px;font-weight:750;color:#244d66;line-height:1.65;margin:20px 0 27px}
.case-chat .bottom{padding:48px 20px 80px;text-align:center;font-size:12px;color:#91a2b0}
@media (max-width:980px){.case-chat .layout{grid-template-columns:1fr}
.case-chat .sidenav{display:none}
.case-chat .hero{padding:70px 0 60px}
.case-chat .sec{padding:54px 0 65px}}
@media (max-width:700px){.case-chat nav{height:58px;padding:0 18px}
.case-chat .navlinks{gap:13px;font-size:11px}
.case-chat main{padding:0 18px}
.case-chat .hero{padding:56px 0 42px}
.case-chat .hero h1{font-size:clamp(40px,10vw,58px)}
.case-chat .hero-meta{grid-template-columns:1fr 1fr;gap:18px}
.case-chat .summary, .case-chat .context-grid, .case-chat .principles, .case-chat .outcomes, .case-chat .two-columns{grid-template-columns:1fr}
.case-chat .flow{grid-template-columns:1fr;gap:7px}
.case-chat .flow .node{min-height:0;padding:17px}
.case-chat .flow .node span{margin-top:6px}
.case-chat .flow .arrow{height:26px;transform:rotate(90deg)}
.case-chat .sec{padding:45px 0 52px}
.case-chat .sec h2{font-size:30px}
.case-chat .vis-body{padding:12px}
.case-chat .vis-top{padding:13px 14px}
.case-chat .vis figcaption{padding:0 13px 15px}
.case-chat .template-view{grid-template-columns:1fr}
.case-chat .template-menu{border-right:0;border-bottom:1px solid #dde6ee;padding:13px}
.case-chat .week-item{display:none}
.case-chat .template-content{padding:15px}
.case-chat .ai-demo{grid-template-columns:1fr}
.case-chat .ai-side{border-left:0;border-top:1px solid #dce7ef}
.case-chat .ai-chat, .case-chat .ai-side{padding:15px}
.case-chat .context-demo{grid-template-columns:1fr 120px}
.case-chat .context-main{padding:12px}
.case-chat .context-side{padding:10px}
.case-chat .context-card{padding:8px;font-size:10px}
.case-chat .quote{font-size:23px}
.case-chat .flowpath{gap:6px}
.case-chat .flowpath .step{font-size:11px}
.case-chat .safety-flag{margin-top:12px}}
@media (max-width:400px){.case-chat .navlinks a:nth-child(1){display:none}
.case-chat .context-demo{grid-template-columns:1fr 105px}
.case-chat .template-content{padding:12px}
.case-chat .hero h1{font-size:42px}
.case-chat .draft{font-size:10px}}