:root{--paper:#f6f3eb;--surface:#fffdf8;--ink:#262727;--muted:#686762;--red:#99292f;--red-dark:#782129;--red-light:#f5e8e5;--gold:#bd9655;--line:#dedbd2;--dark:#242b2a;--serif:'Noto Serif CJK SC','Songti SC','STSong','SimSun',serif;--sans:'PingFang SC','Microsoft YaHei',system-ui,sans-serif;--radius:8px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 var(--sans);-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}a:hover{color:var(--red)}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.45}h1,h2{font-family:var(--serif);font-weight:700}h3{font-size:1.125rem}p{margin-bottom:1rem}ul,ol{padding-left:1.5em}li+li{margin-top:.5em}input,select,textarea{width:100%;border:1px solid #aaa69d;background:var(--surface);color:var(--ink);border-radius:5px;padding:10px 12px;min-height:46px}textarea{resize:vertical;line-height:1.75}input[type=checkbox],input[type=radio]{width:20px;height:20px;min-height:20px;flex:0 0 20px;padding:0;accent-color:var(--red)}input[type=date],input[type=time]{min-width:0}button:disabled{cursor:default;opacity:.55}fieldset{border:0;padding:0;margin:22px 0}legend{font-weight:600;margin-bottom:12px}.muted{color:var(--muted);font-size:.875rem}.lead{font-size:1.125rem;color:var(--muted)}:focus-visible{outline:3px solid var(--red);outline-offset:4px}h1:focus,main:focus{outline:0}.button{display:inline-flex;justify-content:center;align-items:center;gap:8px;min-height:46px;background:var(--red);color:white;border:1px solid var(--red);border-radius:5px;padding:10px 22px;font-weight:600;font-size:.9375rem;line-height:1.5;text-align:center;transition:background .2s,border-color .2s}.button:hover{color:white;background:var(--red-dark);border-color:var(--red-dark)}.button.secondary{background:transparent;color:var(--ink);border-color:#bdb8ae}.button.secondary:hover{background:#ece8dd;border-color:var(--ink);color:var(--ink)}.button.small{padding:8px 12px;min-height:40px;font-size:.875rem}.button-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:24px}.text-button{border:0;background:transparent;color:var(--red);padding:8px 0;min-height:44px;font-weight:600}.text-button:hover,.text-link:hover{text-decoration:underline;text-underline-offset:5px}.text-link{font-weight:600;font-size:.9375rem;color:var(--red)}.icon-button{display:grid;place-items:center;border:1px solid var(--line);color:var(--ink);background:var(--surface);width:44px;height:44px;border-radius:50%;font-size:1.625rem;line-height:1}.eyebrow{font:600 .8125rem/1.65 var(--sans);letter-spacing:.1em;color:var(--red);margin:0 0 12px}.badge{display:inline-flex;align-items:center;padding:4px 10px;border:1px solid var(--line);border-radius:3px;background:#eeece4;font-size:.8125rem;line-height:1.6;color:#605d56;font-weight:500}.badge.example{color:var(--red);background:var(--red-light);border-color:#dec3ba}.notice{background:#ece9df;border-left:3px solid var(--gold);padding:16px 20px;margin:20px 0;font-size:.9375rem;line-height:1.8;border-radius:0 5px 5px 0}.notice.warning{background:#f5eee1;border-left-color:#a77c37}.notice.simulation{background:#efe6e2;border-left-color:var(--red)}.notice.error{background:#fae9e6;border-left-color:var(--red);color:var(--red-dark)}.required-label{margin-left:8px;font-family:var(--sans);font-size:.75rem;font-weight:400;color:var(--muted)}.skip-link{position:fixed;z-index:100;top:-100px;left:18px;padding:12px 20px;background:white;color:var(--red)}.skip-link:focus{top:12px}.loading{padding:80px;text-align:center}
/* 一条稳定、清晰的导航线 */
.site-header{background:rgba(255,253,248,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.header-inner{max-width:1320px;margin:auto;min-height:88px;padding:0 40px;display:flex;gap:35px;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:14px;flex-shrink:0}.brand strong{font-family:var(--serif);font-size:1.25rem;color:var(--red);letter-spacing:.08em;display:block}.brand small{font-size:.75rem;color:var(--muted);display:block;letter-spacing:.02em}.brand-symbol{display:flex;height:33px;gap:4px;align-items:center}.brand-symbol i{height:12px;width:3px;background:var(--red);border-radius:2px}.brand-symbol i:nth-child(2),.brand-symbol i:nth-child(4){height:24px}.brand-symbol i:nth-child(3){height:34px}nav{display:flex;gap:24px;align-items:center}nav a{min-height:88px;display:flex;align-items:center;white-space:nowrap;font-size:.9375rem;position:relative}nav a[aria-current=page]{color:var(--red);font-weight:600}nav a[aria-current=page]:after{content:'';height:3px;background:var(--red);position:absolute;left:0;right:0;bottom:0}.header-resource{font-size:.875rem;white-space:nowrap;border-left:1px solid var(--line);padding:10px 0 10px 22px}.home-container,.page-container{max-width:1240px;margin:auto;padding:0 40px}.site-footer{max-width:1240px;margin:72px auto 0;padding:40px 40px 30px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:20px 50px}.site-footer strong{font-family:var(--serif);font-size:1.0625rem}.site-footer p{margin:6px 0;font-size:.8125rem;color:var(--muted)}.footer-links{display:flex;flex-direction:column;gap:8px;font-size:.875rem}.footer-links span{color:var(--muted)}.site-footer .footer-note{grid-column:1/-1;padding-top:18px;border-top:1px solid var(--line);font-size:.75rem}
/* 首页：纸面文字与抽象阶段线 */
.hero{display:grid;grid-template-columns:.9fr 1.15fr;gap:50px;align-items:stretch;padding:64px 0 48px}.hero-copy{position:relative;padding:10px 0 0}.hero-copy .eyebrow{display:flex;gap:10px;align-items:center;font-size:.8125rem;letter-spacing:.06em}.little-rule{height:2px;width:23px;background:var(--red)}.hero h1{font-size:clamp(2.25rem,3.6vw,3.5rem);line-height:1.45;letter-spacing:.02em;margin:26px 0 22px}.hero h1 span{color:var(--red)}.hero-intro{font-size:1rem;line-height:2;color:#605f5a;max-width:440px}.hero-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.hero-credit{font-size:.8125rem;line-height:1.8;color:var(--muted);margin:40px 0 0}.anniversary{position:absolute;right:6px;bottom:10px;display:flex;gap:10px;align-items:center;color:#bdb09b}.anniversary strong{font:400 4.5rem/1 Georgia,serif}.anniversary span{font:400 .75rem/1.6 var(--serif);letter-spacing:.15em}.route-panel{position:relative;background:var(--dark);color:#fcf9ed;border:1px solid #394340;border-radius:9px;padding:28px 28px 0;overflow:hidden;background-image:linear-gradient(#ffffff05 1px,transparent 1px),linear-gradient(90deg,#ffffff05 1px,transparent 1px);background-size:30px 30px}.route-heading{display:flex;justify-content:space-between;gap:8px;align-items:center}.route-heading .eyebrow{color:#c1b293;font-size:.6875rem;letter-spacing:.12em;margin:0}.outline-badge{font-size:.75rem;color:#d3c19f;border:1px solid #75674d;border-radius:3px;padding:3px 7px;white-space:nowrap}.route-panel h2{font-size:1.625rem;letter-spacing:.04em;margin:23px 0 5px}.route-subtitle{font-size:.8125rem;color:#c4c6bc}.route-diagram{position:relative;height:275px;margin:5px -3px 0}.route-line{position:absolute;width:100%;height:100%;overflow:visible}.route-line path{fill:none;stroke-linejoin:round;stroke-linecap:round}.route-ghost{stroke:#b79455;stroke-width:14;opacity:.07}.route-path{stroke:#c4a16a;stroke-width:2;stroke-dasharray:5 6;animation:signal-flow 22s linear infinite}.route-node{position:absolute;transform:translate(-50%,-50%);background:none;border:0;color:#ede6d4;min-width:80px;min-height:90px;padding:5px;display:flex;flex-direction:column;align-items:center;gap:7px}.route-node:hover{color:white}.node-date{font-family:Georgia,var(--sans);font-size:.6875rem;letter-spacing:.015em;white-space:nowrap;color:#c9c5b8}.node-dot{display:block;width:13px;height:13px;border:3px solid #d5b478;background:var(--dark);border-radius:50%;box-shadow:0 0 0 6px #d0b47f14}.selected .node-dot{background:#ecd5a5;box-shadow:0 0 0 6px #d0b47f26,0 0 20px #d4b16a40}.node-title{font-size:.8125rem;white-space:nowrap}.route-node:focus-visible{outline-color:#efd7a4}.node-0{left:7.5%;top:80%}.node-1{left:28.125%;top:56.36%}.node-2{left:48.75%;top:70.91%}.node-3{left:70%;top:30.91%}.node-4{left:90.625%;top:20%}.route-caption{display:flex;align-items:center;gap:14px;color:#aeb4aa;font:400 .75rem/1.5 Georgia,serif;margin:0 3px}.route-caption-rule{height:1px;background:#596052;flex:1}.diagram-note{margin:14px 0 22px;color:#b3b9ad;font-size:.75rem;line-height:1.7}.node-preview{display:flex;align-items:center;gap:14px;padding:18px 0;border-top:1px solid #525a4c}.node-index{font:400 2rem/1 Georgia,serif;color:var(--gold);align-self:flex-start}.node-preview strong{font-size:.875rem;line-height:1.6}.node-preview p{font-size:.75rem;margin:3px 0 0;line-height:1.7;color:#bdc2b6}.journey-intro{display:flex;justify-content:space-between;align-items:end;gap:30px;margin:20px 0 25px}.journey-intro .eyebrow{margin:0 0 5px}.journey-intro h2{font-size:1.5rem;margin:0}.journey-intro>p{max-width:320px;font-size:.875rem;color:var(--muted);margin:0}.journey-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #c5beb1;border-bottom:1px solid #c5beb1}.journey-card{position:relative;padding:28px 24px;background:#fffdf840;border-right:1px solid var(--line);transition:background .2s}.journey-card:first-child{padding-left:0}.journey-card:last-child{border-right:0}.journey-card:hover{background:#eee8dd;color:var(--ink)}.step-number{font:400 1rem/1.4 Georgia,serif;color:var(--red)}.journey-card h3{font-family:var(--serif);font-size:1.4375rem;margin:13px 0 10px}.journey-card strong{font-size:.875rem;font-weight:500}.journey-card p{font-size:.8125rem;color:var(--muted);margin-top:9px;min-height:45px}.journey-card .text-link{font-size:.8125rem}.home-note{display:flex;justify-content:space-between;gap:20px;padding-top:22px;font-size:.8125rem;color:var(--muted)}.home-note>div{display:flex;align-items:center;gap:12px}.home-note a{white-space:nowrap;border-bottom:1px solid #c7bcb0}
/* 学习与故事 */
.page-heading{padding:52px 0 36px;max-width:840px}.page-heading h1{font-size:clamp(1.875rem,3vw,2.625rem);margin:12px 0 14px}.page-heading>p:last-child{color:var(--muted);margin:0;font-size:1rem}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.section-heading h2{margin:0;font-size:1.5rem}.section-heading .eyebrow{margin-bottom:6px}.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.topic-card{padding:18px 22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.topic-card summary{display:flex;align-items:center;gap:14px;cursor:pointer;list-style:none;min-height:48px}.topic-card summary::-webkit-details-marker{display:none}.topic-card summary>span:first-child{font:400 1.25rem/1 Georgia,serif;color:var(--red)}.topic-card h3{margin:0;font-size:1.0625rem}.detail-toggle{margin-left:auto;color:var(--muted);font-size:1.5rem}.topic-card[open] .detail-toggle{transform:rotate(45deg)}.topic-card p{margin:16px 0 0}.topic-card li{font-size:.9375rem;color:#56554f}.story-section{margin-top:48px}.filter-bar{display:flex;align-items:end;gap:20px;margin:24px 0 12px}.filter-bar label{display:block;font-size:.875rem;min-width:190px}.filter-bar select{display:block;margin-top:6px;min-width:180px}.filter-bar button{margin:0 0 2px}.filter-result{font-size:.8125rem;color:var(--muted);margin:16px 0}.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.story-card{padding:22px 24px 16px;border:1px solid var(--line);border-top:3px solid var(--red);background:var(--surface);border-radius:3px;position:relative;display:flex;flex-direction:column;overflow:hidden}.story-card-top{display:flex;justify-content:space-between;gap:8px;font-size:.75rem;color:var(--muted);padding-bottom:20px}.story-number{font:400 4rem/1 Georgia,serif;position:absolute;right:18px;top:50px;color:#eae4d7}.story-card .badge{align-self:flex-start;position:relative;font-size:.75rem}.story-card h3{font-family:var(--serif);font-size:1.3rem;margin:22px 0 8px;position:relative}.story-subtitle{font-size:.8125rem;color:var(--red)}.story-card>p:not(.story-subtitle){font-size:.9375rem;line-height:1.9;color:var(--muted);margin-bottom:25px;flex:1}.story-card-bottom{border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:10px;font-size:.8125rem}.story-card-bottom>span{color:var(--muted)}.pending-topics,.maintenance-note{margin:25px 0;padding:18px 22px;border:1px dashed #c7c1b5;border-radius:6px;font-size:.875rem}.pending-topics summary,.maintenance-note summary{cursor:pointer;font-weight:600;min-height:28px}.pending-topics p,.maintenance-note p{margin:15px 0}.pending-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.pending-grid>div{background:#eeebe2;padding:16px;display:flex;flex-direction:column;gap:8px}.pending-grid strong{font-size:.875rem}.pending-grid span{font-size:.75rem;color:var(--muted)}.section-callout{padding:30px 32px;background:#eae6db;border-radius:var(--radius);display:flex;justify-content:space-between;align-items:center;gap:22px;margin-top:36px}.section-callout h2{font-size:1.5rem;margin:0 0 7px}.section-callout p{font-size:.9375rem;color:var(--muted);margin:0}.empty-state{padding:38px 24px;text-align:center;background:#eeebe3;border:1px dashed #c5beb0;border-radius:6px}.empty-state strong{font-family:var(--serif);font-size:1.2rem}.empty-state p{font-size:.875rem;color:var(--muted);margin:12px 0 0}.empty-state .button{margin-top:20px}.empty-state.compact{padding:25px 20px}.empty-inline{background:#eeebe4;color:var(--muted);padding:15px;font-size:.9375rem}
/* 单设备通信任务 */
.task-config{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin:25px 0}.task-config h2{margin:0 0 6px;font-size:1.25rem}.task-config p{font-size:.9375rem;color:var(--muted);margin:0}.config-controls{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:20px;margin:18px 0}.config-controls label{font-size:.875rem}.config-controls select{display:block;margin-top:6px}.task-config .duration-note{font-size:.875rem;margin-top:18px;color:var(--red)}.task-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.task-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px;position:relative}.task-card .eyebrow{font-size:.8125rem;max-width:80%;margin:8px 0 12px}.task-number{position:absolute;right:24px;top:20px;font:400 2.5rem/1 Georgia,serif;color:#d7cebd}.task-card h2{font-size:1.6rem;max-width:85%;margin:10px 0 15px}.task-card>p:not(.eyebrow){font-size:.9375rem;color:var(--muted);max-width:95%;margin-bottom:20px}.task-tags{display:flex;gap:12px;font-size:.8125rem;color:#756b59}.task-tags span+span{border-left:1px solid var(--line);padding-left:12px}.record-section{margin-top:44px}.result-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.result-list article{padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:6px}.result-list article>div{display:flex;justify-content:space-between;align-items:start;gap:10px}.result-list article p{margin:12px 0;font-size:.9375rem;white-space:pre-wrap;overflow-wrap:anywhere}.game-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:40px}.game-heading h1{font-size:2rem;margin:10px 0}.game-heading p:last-child{font-size:.875rem;color:var(--muted);margin-bottom:0}.timer-controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.timer{font:500 2.125rem/1.3 ui-monospace,monospace;font-variant-numeric:tabular-nums;color:var(--red)}.timer.expired{color:#895327}.timer-status{font-size:.875rem;color:var(--muted);margin:0 0 20px}.game-workspace{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:start}.game-sidebar{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#eeebe2}.game-sidebar h2{font-size:1.125rem;margin:0 0 10px}.game-sidebar>p{font-size:.875rem;line-height:1.9;color:var(--muted)}.role-progress{padding:0;list-style:none;margin:24px 0}.role-progress li{display:flex;align-items:center;gap:10px;padding:9px 0;font-size:.875rem;color:var(--muted)}.role-progress li+li{margin:0}.role-progress span{border:1px solid #c2b8a5;border-radius:50%;width:28px;height:28px;display:grid;place-items:center;font:400 .875rem/1 Georgia,serif}.role-progress .active{color:var(--red);font-weight:600}.role-progress .active span{background:var(--red);color:white;border-color:var(--red)}.role-progress .visited span{border-color:var(--red);color:var(--red)}.game-sidebar details{font-size:.875rem;border-top:1px solid #d3ccbc;padding-top:16px}.game-sidebar details summary{cursor:pointer;padding-bottom:8px}.sidebar-actions{display:flex;flex-direction:column;align-items:start;margin-top:18px}.game-surface{padding:32px;border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);min-height:465px}.game-surface h2{font-size:1.625rem;margin:10px 0 22px}.game-surface h3{font-size:1.125rem;margin:24px 0 12px}.instructions{padding-left:24px;margin:0 0 24px}.instructions li{padding-left:5px;line-height:1.9}.role-chips{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}.role-chips span{padding:5px 12px;background:#efe9dd;border:1px solid #ddd3c1;border-radius:30px;font-size:.875rem}.role-material{background:#f1eee6;border-top:2px solid var(--gold);padding:25px;border-radius:4px;margin-bottom:22px}.material-label{font-size:.75rem;letter-spacing:.08em;color:#7d6b4e}.role-material p{font-size:1.0625rem;line-height:2;margin:14px 0 0}.role-prompt{font-size:.875rem;color:var(--muted);margin:24px 0}.field-label{font-weight:600;display:block;font-size:.9375rem}.field-label textarea,.field-label input{display:block;font-weight:400;margin-top:9px}.game-surface .field-label{margin:22px 0}.message-preview{padding:16px;border:1px solid #d3cabc;background:#f5f2e9;border-radius:4px}.message-preview strong{font-size:.875rem}.message-preview p{margin:8px 0 0;overflow-wrap:anywhere}.option-list label,.checkbox-list label{display:flex;align-items:center;gap:12px;min-height:52px;padding:13px 16px;background:#f5f2ea;border:1px solid var(--line);border-radius:5px;margin-bottom:10px;font-size:.9375rem}.checkbox-list label{background:transparent}.option-list input,.checkbox-list input{align-self:flex-start;margin-top:5px}.checkbox-line{display:flex;gap:12px;align-items:start;margin:16px 0;font-size:.9375rem;line-height:1.8}.checkbox-line input{margin-top:5px}.team-check{border-top:1px solid var(--line);padding-top:20px;margin-top:25px}.message-comparison{padding:16px 20px;border:1px solid var(--line);background:#f4f1e7;border-radius:5px}.message-comparison summary{cursor:pointer;font-size:.9375rem;font-weight:500}.message-comparison dl{font-size:.9375rem}.message-comparison dt{font-weight:600;margin-top:14px}.message-comparison dd{margin:6px 0;overflow-wrap:anywhere}.answer-fields{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.answer-fields label{font-size:.875rem}.answer-fields input{margin-top:8px}.budget-label{font-size:1rem;padding:15px;background:#f1ece2}.budget-label strong{font-size:1.75rem;margin:0 8px;color:var(--red);font-family:Georgia,serif}.allocation-grid{display:grid;gap:10px}.allocation-grid label{display:flex;align-items:center;justify-content:space-between;gap:15px;background:#f5f2e9;border:1px solid var(--line);padding:12px 16px;border-radius:5px}.allocation-grid strong{font-size:.9375rem}.allocation-grid small{display:block;font-size:.8125rem;color:var(--muted)}.allocation-grid input{width:90px;text-align:center}.allocation-total{font-size:.9375rem;color:var(--red);margin:18px 0}.incident-box{padding:22px;background:#f2e6dc;border-left:3px solid #ab6837;border-radius:0 6px 6px 0;margin-bottom:24px}.incident-box p{margin:10px 0;font-size:.9375rem}.feedback{padding:20px 22px;border-radius:5px;margin:22px 0;border:1px solid}.feedback.warning{border-color:#dbc6a1;background:#f5eedf}.feedback.success{border-color:#c2cfba;background:#edf0e6}.feedback p{margin:10px 0 0;font-size:.9375rem}.feedback ul{font-size:.9375rem;margin-bottom:0}.discussion{padding:22px 24px;background:#ece7dc;border-left:3px solid var(--red);margin:22px 0;border-radius:0 5px 5px 0}.discussion>span{color:var(--red);font-weight:600;font-size:.8125rem}.discussion p{font-family:var(--serif);font-size:1.125rem;line-height:1.9;margin:10px 0 0}.discussion ul{font-size:.9375rem}
/* 研学：明确区分计划与记录 */
.exhibition-card{display:grid;grid-template-columns:300px 1fr;border:1px solid #d2c6b4;border-radius:8px;overflow:hidden;background:var(--surface);margin:8px 0 42px}.exhibition-type{padding:34px 32px;background:var(--red-dark);color:#f5e5c7;display:flex;flex-direction:column;justify-content:space-between;min-height:340px;border-right:1px solid #d2c6b4}.exhibition-type>span{font-size:.8125rem;letter-spacing:.12em;color:#d5b68c}.exhibition-type strong{font:500 2.25rem/1.8 var(--serif);letter-spacing:.12em;margin:20px 0}.exhibition-content{padding:32px 36px}.exhibition-content h2{font-size:1.7rem;margin:18px 0}.exhibition-content dl{display:grid;grid-template-columns:85px 1fr;gap:8px;font-size:.9375rem}.exhibition-content dt{color:var(--muted)}.exhibition-content dd{margin:0}.exhibition-content>p{font-size:.875rem;color:var(--muted)}.source-list{list-style:none;padding:0}.source-list li+li{margin-top:14px}.source-list a{color:var(--red);text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere;font-size:.9375rem}.source-meta{display:block;color:var(--muted);font-size:.75rem;line-height:1.8;margin-top:6px}.practice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.practice-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;overflow:hidden}.practice-placeholder{min-height:215px;display:flex;flex-direction:column;justify-content:space-between;padding:22px 26px;background:#e5e0d3;color:#5c594c;border-bottom:1px solid #d4cdbd}.practice-placeholder>span{font-size:.75rem;letter-spacing:.08em}.practice-placeholder strong{font-family:var(--serif);font-size:1.65rem;white-space:pre-line;line-height:1.55;font-weight:500;margin:12px 0}.practice-placeholder small{font-size:.75rem;color:#6d685c}.practice-card-body{padding:24px}.practice-card h3{font-family:var(--serif);font-size:1.25rem;margin:18px 0 12px}.practice-card-body>p{font-size:.875rem;color:var(--muted)}.practice-card-body .practice-question{font-size:.9375rem;color:var(--ink);border-left:2px solid var(--gold);padding-left:12px;margin:20px 0}.practice-card details{font-size:.875rem;padding-top:14px;border-top:1px solid var(--line)}.practice-card summary{cursor:pointer;min-height:30px;font-weight:600}.course-section,.case-section{margin-top:45px}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.course-grid article{padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:6px}.course-grid h3{font-size:1.25rem;font-family:var(--serif);margin-bottom:12px}.course-grid article p:not(.eyebrow){font-size:.9375rem;line-height:1.9;color:var(--muted)}
/* 私人行动清单 */
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/* 资料与内容维护 */
.source-directory{display:grid;gap:15px}.source-directory article{display:flex;align-items:start;gap:26px;padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:6px}.source-number{font:400 1.75rem/1.4 Georgia,serif;color:#b6a68a}.source-directory h3{margin:12px 0 8px;font-size:1.125rem}.source-directory h3 a{color:var(--red);text-decoration:underline;text-underline-offset:4px}.source-directory p{font-size:.875rem;margin:6px 0 0}.download-section{margin-top:38px}.download-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.download-grid article{display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:22px}.download-grid article>div{padding-left:45px;position:relative}.file-symbol{position:absolute;left:0;top:2px;display:grid;place-items:center;width:30px;height:38px;border:1px solid #c7bfae;border-radius:3px;color:var(--red);font-size:1.2rem;background:#f1eee5}.download-grid h3{font-size:.9375rem;margin:0 0 5px}.download-grid p{font-size:.8125rem;color:var(--muted);margin:0}.download-grid .button{font-size:.8125rem;white-space:nowrap;padding:8px 14px}.pending-download{font-size:.8125rem;color:var(--muted);white-space:nowrap;padding:8px 12px;background:#eeeae0;border-radius:4px}.gaps-section{margin:36px 0;padding:30px 32px;background:#eae5d8;border:1px solid #d7cfbd;border-radius:6px}.gaps-section h2{font-size:1.5rem}.gaps-section p,.gaps-section li{font-size:.9375rem}.gaps-section ul{columns:2;column-gap:36px}.gaps-section li{break-inside:avoid;margin-bottom:8px;padding-left:3px}
/* 详情、提示与打印 */
dialog{color:var(--ink);background:var(--surface);border:1px solid #b3aa9c;border-radius:10px;padding:30px 36px;width:min(740px,calc(100% - 32px));max-height:85svh;overflow:auto;box-shadow:0 20px 100px #0004}dialog::backdrop{background:#131915b3;backdrop-filter:blur(3px)}.dialog-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.dialog-top .badge{font-size:.8125rem}dialog h2{font-size:1.875rem;margin:12px 0}dialog h3{font-size:1.125rem;margin:22px 0 12px}dialog p,dialog li{font-size:1rem;line-height:1.95}dialog .muted{font-size:.8125rem}.detail-section{margin:24px 0}.detail-section h3{font-family:var(--sans);font-size:1rem;border-bottom:1px solid var(--line);padding-bottom:10px}.analogy{font-size:.875rem!important;background:#f2eee3;padding:15px}.toast{position:fixed;z-index:40;left:50%;bottom:24px;transform:translateX(-50%);background:#262f2c;color:#f9f5eb;padding:14px 22px;box-shadow:0 6px 25px #0003;border-radius:6px;max-width:min(680px,calc(100% - 32px));width:max-content;font-size:.875rem;line-height:1.7}.toast.error{background:var(--red-dark)}[hidden]{display:none!important}p,li,dd{overflow-wrap:break-word}
@keyframes signal-flow{to{stroke-dashoffset:-110}}
@media(min-width:1500px){.hero{padding-top:76px}.hero h1{font-size:3.5rem}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
@media print{body{background:white;color:black;font-size:11pt}.site-header,.site-footer,.toast,.button,.text-button,.button-row,.filter-bar,.hero-buttons,.sticky-save{display:none!important}.page-container,.home-container{max-width:none;padding:0}dialog{display:none!important}.story-card{break-inside:avoid}.page-heading{padding-top:0}.printing-story .notice,.discussion,.detail-section{break-inside:avoid}.action-layout{display:block}.action-sidebar,.stage-form,.case-section{display:none!important}.action-editor{border:0;padding:0}.action-fields{display:block}.action-fields label{margin-bottom:20px}textarea{border:0;resize:none;min-height:80px}.route-path{animation:none}}

/* 手机把抽象路线展开为纵向时间轴，保证日期和按钮清晰可读。 */
.node-date{font-size:.75rem}
@media(max-width:600px){
.route-diagram{height:auto;display:flex;flex-direction:column;gap:6px;margin:20px 0}
.route-node{position:static;transform:none;width:100%;display:grid;grid-template-columns:90px 16px minmax(0,1fr);gap:14px;min-height:52px;padding:8px;border-radius:5px;text-align:left;z-index:1}
.route-node.selected{background:#d2bb8120}
.node-date{font-size:.75rem;white-space:normal;overflow-wrap:anywhere;color:#d2cebf}
.node-title{font-size:.9375rem;white-space:normal;text-align:left}
.route-diagram:before{top:25px;bottom:25px;left:120px;right:auto;border:0;border-left:1px dashed #aa885e;opacity:.65}
.button{min-width:0}
.action-editor,.action-fields,.action-fields>*{min-width:0}
}

.activity-media{background:#e7e1d6;min-width:0}.activity-media figure{margin:0}.activity-media img,.activity-media video{display:block;width:100%;max-height:350px;object-fit:contain;background:#252b29}.activity-media figcaption{padding:12px 16px;font-size:.8125rem;line-height:1.8;color:var(--muted)}.activity-media a{text-decoration:underline;color:var(--red)}

@media(max-width:880px){.game-surface{order:1}.game-sidebar{order:2}}
/* 中国地图导览：ECharts地理图层 + 原生节点卡片与时间轴 */
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.map-home-heading{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:35px 0 27px}.map-home-heading .eyebrow{display:flex;gap:9px;align-items:center;margin:0 0 8px;font-size:.75rem}.map-home-heading h1{font-size:2.25rem;margin:6px 0 9px;letter-spacing:.02em}.map-home-heading h1 span{color:var(--red)}.map-home-heading p:last-child{font-size:.9375rem;color:var(--muted);margin:0}.map-home-actions{display:flex;gap:10px;flex-shrink:0}.map-home-actions .button{padding:10px 16px;font-size:.875rem}.map-explorer{background:#252d29;border:1px solid #40483d;border-radius:9px;overflow:hidden;box-shadow:0 10px 35px #252b2410;color:#f8f1df}.map-topbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 26px;border-bottom:1px solid #515342;background:#252b27}.map-topbar .eyebrow{display:block;color:#d2b58a;font-size:.75rem;letter-spacing:.08em;margin:0 0 3px}.map-topbar h2{font-size:1.375rem;margin:0;letter-spacing:.04em;color:#faf0dd}.map-view-controls{display:flex;gap:0;border:1px solid #70694f;border-radius:5px;overflow:hidden;flex-shrink:0}.map-view-controls button{background:none;border:0;color:#ccc7b8;padding:9px 15px;min-height:42px;font-size:.8125rem}.map-view-controls button+button{border-left:1px solid #70694f}.map-view-controls button[aria-pressed=true]{background:#d1b078;color:#222922;font-weight:600}.map-view-controls button:hover{background:#554e3e;color:#fff0d0}.map-workspace{display:grid;grid-template-columns:minmax(0,1fr) 300px;align-items:stretch}.map-stage{position:relative;min-width:0;background-color:#242e28;background-image:linear-gradient(#f9dfa307 1px,transparent 1px),linear-gradient(90deg,#f9dfa307 1px,transparent 1px);background-size:36px 36px}.map-canvas{width:100%;height:490px;min-width:0;touch-action:none}.map-canvas>div{max-width:100%}.map-canvas:focus-visible{outline-color:#f0c88e}.map-loading{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#c8c0ad;font-size:.9375rem}.map-loading>span{width:22px;height:22px;border:2px solid #6e6754;border-top-color:#e2c593;border-radius:50%;animation:map-loader 1s linear infinite}.map-loading p{margin:15px 0}.map-failure{height:100%;padding:50px 30px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.map-failure strong{font-family:var(--serif);font-size:1.4rem}.map-failure p{font-size:.875rem;color:#ccc8b8;margin:15px 0}.map-failure .button{color:#f7ecd5;border-color:#b4a282}.map-stage-caption{position:absolute;left:24px;top:19px;right:24px;display:flex;justify-content:space-between;gap:16px;pointer-events:none;font-size:.75rem;color:#c4c6b7}.map-stage-caption>span:first-child{display:flex;gap:8px;align-items:center}.map-stage-caption i{display:block;width:20px;height:2px;background:#d87567}.map-stage-caption>span:last-child{color:#a8b0a2}.map-zoom-controls{position:absolute;left:22px;bottom:20px;display:flex;align-items:center;gap:5px;z-index:2}.map-zoom-controls button{display:grid;place-items:center;min-width:40px;min-height:40px;background:#222b25e6;color:#eee4cb;border:1px solid #807056;border-radius:4px;font-size:1.125rem;padding:5px 10px}.map-zoom-controls button:last-child{font-size:.75rem}.map-zoom-controls button:hover{background:#5d4c39;color:#fff}.map-story-card{position:relative;background:#f7f2e6;color:var(--ink);border-left:1px solid #aa8c62;min-width:0;display:flex;flex-direction:column}.map-card-header{display:flex;justify-content:space-between;align-items:center;position:relative;padding:23px 22px 12px}.map-card-header .eyebrow{font-size:.6875rem;letter-spacing:.05em;margin:0}.map-card-index{font:400 2.75rem/1 Georgia,serif;color:#d5c4a5;position:absolute;right:20px;top:15px}.map-card-content{padding:16px 23px 15px;flex:1}.map-card-date{font-size:.75rem;color:#716855;margin:0 0 8px}.map-card-content h2{font-size:1.625rem;margin:10px 0 13px;line-height:1.5}.map-card-fact{font-size:.9375rem;line-height:1.9;color:#625e53;margin-bottom:20px}.map-card-question{padding:13px 15px;background:#eae1d0;border-left:2px solid #a83335;border-radius:0 4px 4px 0}.map-card-question>span{font-size:.6875rem;color:#963d32;font-weight:600}.map-card-question p{font-family:var(--serif);font-size:.9375rem;line-height:1.8;margin:7px 0 0;color:#574e3d}.map-card-related{font-size:.75rem;color:#857963;margin:14px 0;line-height:1.7}.map-card-content .button{width:100%;font-size:.8755rem;min-height:44px}.map-card-source{font-size:.6875rem;color:#81735e;margin:9px 0 0;text-align:center}.map-card-navigation{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 14px;border-top:1px solid #d7ccb5;background:#eee7d8;font-size:.75rem;color:#7d735f}.map-card-navigation button{border:0;background:none;color:#8b2d2d;padding:8px;min-height:35px;font-size:.8125rem;cursor:pointer}.map-card-navigation button:hover{background:#e2d6bd;border-radius:3px}.map-bottom-controls{display:flex;align-items:center;gap:22px;padding:16px 25px;border-top:1px solid #55533f;border-bottom:1px solid #494d3e}.map-play-controls{display:flex;align-items:center;gap:10px;flex-shrink:0}.map-play-controls button{background:none;border:1px solid #716c55;border-radius:4px;color:#dbcfb3;padding:9px 12px;min-height:40px;font-size:.8125rem;white-space:nowrap}.map-play-controls .map-play{background:#b5473d;border-color:#b5473d;color:#fff4df;font-weight:600;min-width:108px}.map-play-controls button:hover{background:#736047;color:#fff3d5}.map-bottom-controls>p{font-size:.75rem;line-height:1.8;color:#bfc0af;margin:0}.map-stop-scroll{display:flex;overflow-x:auto;overscroll-behavior-x:contain;padding:0 20px;background:#202923;scrollbar-color:#8d7956 #29312a;scrollbar-width:thin}.map-stop-button.route-node{position:static;transform:none;border:0;border-top:3px solid transparent;min-width:121px;min-height:79px;display:flex;flex-direction:column;gap:5px;align-items:start;justify-content:center;padding:13px 12px 15px;background:transparent;flex-shrink:0;border-radius:0;white-space:nowrap;color:#e7ddc4;text-align:left}.map-stop-button.route-node>span{font:400 .6875rem/1.6 Georgia,var(--sans);color:#a8b2a2;letter-spacing:.01em}.map-stop-button strong{font-size:.8125rem;font-weight:500;line-height:1.8}.map-stop-button.is-selected{border-top-color:#d5b77e;background:#d5b77e13;color:#f4d49a}.map-stop-button.is-selected>span{color:#d1b378}.map-stop-button:hover{background:#ceac6c15}.map-stop-button:focus-visible{outline:2px solid #e2c493;outline-offset:-5px}.map-credits{font-size:.75rem;color:#bcc1b2;border-top:1px solid #454d3e;padding:12px 26px;background:#252d27}.map-credits summary{cursor:pointer;min-height:25px;color:#d2c4a7}.map-credits p{margin:12px 0}.map-credits ul{margin:10px 0 3px;line-height:1.9}.map-credits a{color:#ead0a1;text-decoration:underline;text-underline-offset:4px}.map-home .journey-intro{margin-top:35px}.map-explorer :focus-visible{outline-color:#b98642}.map-zoom-controls :focus-visible,.map-play-controls :focus-visible,.map-view-controls :focus-visible{outline-color:#efd4a6}
@keyframes map-loader{to{transform:rotate(360deg)}}
@media(max-width:1100px){.map-home-heading h1{font-size:1.875rem}.map-home-actions{flex-direction:column;gap:8px}.map-home-actions .button{padding:8px 14px;min-height:40px}.map-workspace{grid-template-columns:minmax(0,1fr) 270px}.map-canvas{height:520px}.map-card-content{padding:15px 20px}.map-card-content h2{font-size:1.5rem}.map-card-fact{font-size:.875rem}.map-card-question p{font-size:.875rem}.map-stage-caption>span:last-child{display:none}.map-bottom-controls{padding:16px 22px;gap:15px}}
@media(max-width:760px){.map-home-heading{display:block;padding:28px 0 24px}.map-home-heading h1{font-size:2rem;line-height:1.55;margin:10px 0}.map-home-heading h1 span{display:block}.map-home-heading>div>p:last-child{font-size:1rem;line-height:1.9}.map-home-actions{flex-direction:row;flex-wrap:wrap;margin-top:20px;gap:10px}.map-home-actions .button{min-height:44px;padding:10px 16px}.map-topbar{padding:18px 20px;align-items:start;gap:12px;flex-wrap:wrap}.map-topbar h2{font-size:1.375rem}.map-topbar .eyebrow{font-size:.6875rem}.map-view-controls button{font-size:.8125rem;padding:8px 12px;min-height:40px}.map-workspace{grid-template-columns:1fr}.map-canvas{height:420px}.map-stage-caption{left:18px;right:18px;top:17px}.map-zoom-controls{left:17px;bottom:18px}.map-zoom-controls button{min-width:44px;min-height:44px}.map-story-card{border-left:0;border-top:1px solid #ad956c}.map-card-header{padding:20px 22px 9px}.map-card-header .eyebrow{font-size:.75rem}.map-card-index{top:13px;font-size:2.75rem}.map-card-content{padding:13px 22px 20px}.map-card-content h2{font-size:1.625rem;margin:10px 0 14px}.map-card-date{font-size:.8125rem}.map-card-fact{font-size:1rem;line-height:1.9;margin-bottom:18px}.map-card-question p{font-size:1rem}.map-card-question>span{font-size:.75rem}.map-card-content .button{min-height:46px;font-size:.9375rem}.map-card-related{font-size:.8125rem}.map-card-source{font-size:.75rem}.map-card-navigation{padding:8px 15px}.map-card-navigation button{min-height:44px;font-size:.875rem}.map-bottom-controls{display:block;padding:18px 20px}.map-bottom-controls>p{margin-top:15px;font-size:.8125rem}.map-play-controls button{min-height:44px;font-size:.875rem}.map-stop-scroll{padding:0 8px}.map-stop-button.route-node{min-width:128px;padding:14px 13px;min-height:86px;gap:5px;grid-template-columns:none}.map-stop-button.route-node>span{font-size:.75rem}.map-stop-button strong{font-size:.875rem}.map-credits{font-size:.8125rem;padding:14px 20px}.map-credits summary{min-height:30px}.map-credits li{overflow-wrap:anywhere}}
@media(max-width:380px){.map-canvas{height:370px}.map-topbar{padding:17px}.map-home-heading h1{font-size:1.875rem}.map-card-content{padding:13px 18px 18px}.map-card-header{padding-left:18px}}
@media print{.map-canvas{height:350px}.map-view-controls,.map-zoom-controls,.map-bottom-controls,.map-stop-scroll,.map-credits{display:none!important}.map-workspace{display:block}.map-explorer{color:black;background:white}.map-story-card{background:white;border:0}}

.map-stop-button.route-node{width:auto}

.history-bridge{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:24px 26px;margin-bottom:28px;background:#eae4d6;border:1px solid #d9ccb3;border-radius:6px}.history-bridge .eyebrow{margin-bottom:6px}.history-bridge h2{font-size:1.25rem;margin:0 0 9px}.history-bridge p:last-child{font-size:.9375rem;color:var(--muted);margin:0}.history-bridge .button{flex-shrink:0}@media(max-width:760px){.history-bridge{display:block;padding:22px}.history-bridge .button{margin-top:18px}.history-bridge p:last-child{font-size:1rem}}

@media(max-width:760px){.map-home-heading{padding:22px 0 18px}.map-home-heading h1{font-size:clamp(1.4rem,6vw,1.75rem);line-height:1.5;margin:8px 0}.map-home-heading h1 span{display:inline}.map-home-heading>div>p:last-child{font-size:.9375rem;line-height:1.8}.map-home-actions{margin-top:14px}.map-canvas{height:360px}}
@media(max-width:380px){.map-canvas{height:330px}}

/* 沉浸地图首页：整张地图就是页面，控件浮在山河之上。 */
body.map-landing{background:#982630;color:#ffe8c5}
.map-landing .site-header{position:absolute;inset:0 0 auto;background:linear-gradient(#6a152358,transparent);border:0;color:#ffe8c5}
.map-landing .header-inner{max-width:none;padding:0 3.2vw;min-height:82px}
.map-landing .brand strong,.map-landing .brand small,.map-landing nav a[aria-current=page],.map-landing .header-resource{color:#ffebca}
.map-landing .brand-symbol i,.map-landing nav a[aria-current=page]:after{background:#f4d09c}
.map-landing nav a{min-height:82px;color:#f0c4af}
.map-landing nav a:hover,.map-landing .header-resource:hover{color:#fff6de}
.map-landing .header-resource{border-color:#e9b69c40}
.map-landing .site-footer{display:none}
.map-landing :focus-visible{outline-color:#ffe3a7}
.immersive-map{height:100svh;min-height:600px;position:relative;isolation:isolate;overflow:hidden;background:radial-gradient(ellipse at 65% 40%,#ba4940 0%,#a12c32 57%,#7c1b2a 100%)}
.immersive-map:before{content:'';position:absolute;inset:0;pointer-events:none;z-index:1;opacity:.21;background-image:repeating-linear-gradient(0deg,transparent 0,transparent 79px,#eebda22a 80px),repeating-linear-gradient(90deg,transparent 0,transparent 79px,#eebda22a 80px)}
.immersive-map .map-canvas{position:absolute;inset:0;width:100%;height:100%;background:transparent;touch-action:none}
.map-atlas-title{position:absolute;z-index:2;top:17%;left:4.2%;pointer-events:none}
.map-atlas-title .eyebrow{font-size:11px;letter-spacing:.18em;color:#f5caab;margin-bottom:22px}
.map-atlas-title h1{font-size:clamp(36px,4.4vw,76px);font-weight:500;line-height:1.4;letter-spacing:.16em;color:#ffe6ba;margin:0 0 20px;text-shadow:0 3px 30px #66142130}
.map-atlas-title h1 span{display:block}
.atlas-subtitle{font-size:13px;letter-spacing:.1em;color:#f5c7ac}
.atlas-rule{display:block;width:45px;height:1px;background:#e6b482;margin:26px 0 17px}
.atlas-anniversary{font-size:11px;letter-spacing:.1em;color:#eec09f}
.atlas-anniversary strong{font:italic 26px Georgia,serif;margin:0 3px;color:#ffe3b2}
.immersive-map button,.immersive-map summary{font-family:var(--sans);font-size:12px;color:#ffe6bd}
.immersive-map button{border:1px solid #e5b99950;background:#771c2b9c;min-height:40px;transition:background .2s}
.immersive-map button:hover{background:#b65b4c;color:#fff5db}
.immersive-map .map-view-controls{position:absolute;top:106px;right:3.2%;z-index:3;display:flex;gap:0;border:1px solid #e7b99560;border-radius:3px;background:#7d1c2c80;padding:3px}
.immersive-map .map-view-controls button{border:0;background:transparent;padding:0 14px;min-height:34px;white-space:nowrap;border-radius:2px}
.immersive-map .map-view-controls button[aria-pressed=true]{background:#efcf9d;color:#71212a}
.atlas-compass{position:absolute;right:4%;top:195px;display:grid;justify-items:center;color:#f0c69e;font:11px Georgia,serif;opacity:.7;pointer-events:none}
.atlas-compass i{display:block;width:14px;height:42px;margin:5px 0;background:linear-gradient(90deg,#f5d1a2 50%,#bc6553 50%);clip-path:polygon(50% 0,100% 100%,50% 78%,0 100%)}
.immersive-map .map-story-card{position:absolute;left:4.2%;bottom:144px;z-index:3;width:260px;background:linear-gradient(100deg,#771c2ba3,#771c2b12);border:0;border-left:1px solid #f0cd9a80;border-radius:0;box-shadow:none;color:#ffe3bf;backdrop-filter:blur(6px)}
.immersive-map .map-card-content{padding:14px 18px 8px}
.immersive-map .map-card-date{font-size:11px;letter-spacing:.06em;color:#edb99b;margin:0 0 7px;display:flex;gap:15px}
.immersive-map .map-card-date span{color:#ffe8b9}
.immersive-map .map-card-content h2{font-size:23px;font-weight:500;letter-spacing:.05em;color:#ffe6ba;margin:0 0 8px}
.immersive-map .map-card-fact{font-size:12px;line-height:1.9;color:#f2c8b1;margin:0 0 7px}
.immersive-map .map-detail-link{border:0;background:transparent;min-height:32px;padding:0;color:#ffe0a7;text-align:left;font-size:11px}
.immersive-map .map-card-navigation{border:0;padding:0 10px 5px;display:flex;align-items:center;justify-content:space-between;gap:7px;background:transparent}
.immersive-map .map-card-navigation button{border:0;background:transparent;width:32px;min-height:32px;padding:0;font-size:20px}
.immersive-map .map-card-navigation span{font-size:10px;color:#edc2a6;text-align:center;white-space:normal}
.immersive-map .map-zoom-controls{position:absolute;inset:auto 3.2% 146px auto;z-index:3;border:1px solid #e5b99950;display:flex;flex-direction:column;gap:0;border-radius:3px;overflow:hidden}
.immersive-map .map-zoom-controls button{border:0;border-bottom:1px solid #e5b99930;border-radius:0;width:40px;min-height:40px;padding:0;font-size:17px}
.immersive-map .map-zoom-controls button:last-child{font-size:10px;border:0}
.atlas-bottom{position:absolute;z-index:3;left:4.2%;right:3.2%;bottom:67px}
.atlas-playback{display:flex;align-items:center;gap:12px;margin-bottom:17px}
.immersive-map .map-play{padding:0 17px;background:#edcf9e;color:#79222c;border-color:#edcf9e;border-radius:2px;font-weight:600;min-width:125px}
.atlas-playback [data-do=map-motion]{border:0;background:transparent;color:#f1c4a7;font-size:11px}
.atlas-hint{color:#e9b29b;font-size:10px;margin-left:auto;letter-spacing:.08em}
.atlas-progress{height:1px;background:#e9bb963b;width:100%;position:relative}
.atlas-progress i{display:block;height:2px;background:#ffe1a2;width:0;box-shadow:0 0 10px #ffdc9f88;transition:width .12s linear}
.atlas-directory{position:absolute;z-index:4;right:3.2%;bottom:87px;width:235px}
.atlas-directory summary{list-style:none;cursor:pointer;min-height:40px;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:0 12px;border:1px solid #d9a78370;background:#7b1f2ba8;border-radius:2px}
.atlas-directory summary::-webkit-details-marker{display:none}
.atlas-directory summary span{font-size:10px;color:#ebbc9d}
.immersive-map .map-stop-scroll{position:absolute;bottom:46px;right:0;width:300px;max-height:min(52svh,480px);overflow:auto;display:grid;grid-template-columns:1fr 1fr;gap:0;padding:8px;background:#78202cf5;border:1px solid #d9a78370;box-shadow:0 15px 60px #4a0d2350}
.immersive-map .map-stop-button{display:flex;flex-direction:column;align-items:start;justify-content:center;width:auto;min-width:0;min-height:70px;padding:9px 11px;gap:3px;border:0;border-bottom:1px solid #e5b99925;background:transparent;text-align:left}
.immersive-map .map-stop-button span{font-size:9px;color:#dfad95;white-space:normal}
.immersive-map .map-stop-button strong{font-size:12px;font-weight:500}
.immersive-map .map-stop-button.is-selected{background:#a6504266;color:#ffe4a9}
.immersive-map .atlas-sources{position:absolute;z-index:3;bottom:22px;left:4.2%;border:0;background:transparent;padding:0;min-height:30px;font-size:10px;letter-spacing:.06em;color:#edbf9e}
.atlas-credit{position:absolute;z-index:2;right:3.2%;bottom:24px;font-size:9px;letter-spacing:.025em;color:#dea98f;margin:0;pointer-events:none}
.immersive-map .map-loading,.immersive-map .map-failure{position:absolute;top:46%;left:50%;transform:translate(-50%,-50%);color:#ffe4b8;text-align:center;width:min(85%,400px);height:auto;background:#8b2630e6;padding:25px;border-radius:4px}
.immersive-map .map-loading span{border-color:#f5cc9c;border-top-color:transparent}
.immersive-map .map-failure .button.secondary{color:#ffe5c5;border-color:#f5cc9c}
@media(min-width:1700px){.immersive-map .map-story-card{width:285px}.immersive-map .map-card-fact{font-size:13px}}
@media(max-width:880px){.map-landing .header-inner{padding:12px 24px 0;min-height:0}.map-landing .brand{padding-bottom:8px}.map-landing .header-inner nav{gap:24px;justify-content:flex-start}.map-landing .header-inner nav a{min-height:40px;font-size:12px}.immersive-map .map-view-controls{top:122px;right:24px}.map-atlas-title{left:24px;top:170px}.map-atlas-title h1{font-size:40px}.map-atlas-title .eyebrow{font-size:9px;margin-bottom:10px}.atlas-subtitle{font-size:11px}.atlas-anniversary,.atlas-rule,.atlas-compass{display:none}.immersive-map .map-story-card{left:24px;width:230px;bottom:150px}.atlas-bottom{left:24px;right:24px}.atlas-directory{right:24px;width:205px}.atlas-hint{display:none}.immersive-map .map-zoom-controls{right:24px}.immersive-map .atlas-sources{left:24px}.atlas-credit{right:24px}}
@media(max-width:600px){.immersive-map{min-height:640px}.map-landing .header-inner{padding:12px 18px 0}.map-landing .brand strong{font-size:16px}.map-landing .brand small{font-size:9px}.map-landing .header-resource{font-size:11px}.map-landing .header-inner nav{gap:24px;margin:0}.map-landing .header-inner nav a{font-size:11px;min-height:37px}.immersive-map .map-view-controls{top:111px;right:18px;left:auto;padding:2px}.immersive-map .map-view-controls button{padding:0 10px;min-height:31px;font-size:10px}.map-atlas-title{top:166px;left:20px}.map-atlas-title .eyebrow{font-size:8px;letter-spacing:.1em}.map-atlas-title h1{font-size:29px;line-height:1.4;letter-spacing:.15em;margin-bottom:8px}.atlas-subtitle{display:none}.immersive-map .map-story-card{left:20px;bottom:151px;width:210px}.immersive-map .map-card-content{padding:10px 13px 3px}.immersive-map .map-card-content h2{font-size:19px;margin-bottom:4px}.immersive-map .map-card-date{font-size:9px;margin-bottom:3px}.immersive-map .map-card-fact{font-size:10px;line-height:1.8;margin-bottom:0}.immersive-map .map-detail-link{font-size:10px;min-height:30px}.immersive-map .map-card-navigation{padding:0 6px 3px}.immersive-map .map-card-navigation span{font-size:9px}.immersive-map .map-card-navigation button{min-height:32px}.immersive-map .map-zoom-controls{right:18px;bottom:152px}.immersive-map .map-zoom-controls button{width:35px;min-height:35px}.atlas-bottom{left:20px;right:18px;bottom:73px}.atlas-playback{gap:4px;margin-bottom:15px}.immersive-map .map-play{font-size:11px;padding:0 12px;min-width:118px;min-height:40px}.atlas-playback [data-do=map-motion]{font-size:10px;padding:0 8px}.atlas-directory{right:18px;bottom:87px;width:auto}.atlas-directory summary{padding:0 10px;font-size:11px;min-height:40px}.atlas-directory summary span{display:none}.immersive-map .map-stop-scroll{width:min(340px,calc(100vw - 38px));bottom:48px;max-height:52svh}.immersive-map .map-stop-button{min-height:64px}.immersive-map .atlas-sources{left:20px;bottom:34px;font-size:9px;min-height:30px}.atlas-credit{left:20px;right:auto;bottom:15px;font-size:8px}.map-landing dialog{color:var(--ink)}}
@media(max-height:700px) and (min-width:881px){.map-atlas-title{top:16%}.map-atlas-title h1{font-size:42px}.atlas-rule,.atlas-anniversary{display:none}.immersive-map .map-story-card{bottom:142px}.immersive-map .map-card-fact{display:none}}
@media(prefers-reduced-motion:reduce){.atlas-progress i{transition:none}}
@media print{.map-landing{color:black;background:white}.immersive-map{height:90vh;min-height:0;background:#a6383e}.map-atlas-title{top:20px}.atlas-bottom,.atlas-directory,.atlas-sources,.map-zoom-controls,.atlas-compass,.atlas-credit{display:none!important}.immersive-map .map-story-card{bottom:10px}}

/* Give the complete route a clear area between the title and playback controls. */
.atlas-hint{margin-right:260px}
@media(max-width:600px){.map-atlas-title h1{font-size:26px;letter-spacing:.1em}.map-atlas-title h1 span{display:inline;margin-left:.3em}.immersive-map .map-card-fact{display:none}.immersive-map .map-story-card{bottom:149px}.map-atlas-title .eyebrow{margin-bottom:5px}.immersive-map .map-card-content h2{font-size:18px}.immersive-map .map-card-content{padding:8px 13px 0}}

/* Historical episodes read as continuous prose, with optional additional chapters. */
.history-reading{margin:30px 0;border-top:2px solid #a56c4b;padding-top:18px}.history-reading-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:14px}.history-reading-heading h3{font-family:var(--serif);font-size:22px;margin:0}.history-reading-heading>span{font-size:12px;color:#8b7059}.history-story{border:1px solid #d5c8b2;border-radius:6px;background:#faf5eb;margin:12px 0;overflow:hidden}.history-story>summary{display:block;position:relative;list-style:none;cursor:pointer;padding:19px 47px 18px 21px;min-height:76px}.history-story>summary::-webkit-details-marker{display:none}.history-story-meta{display:block;font-size:11px;letter-spacing:.06em;color:#956346;margin-bottom:7px}.history-story-title{display:block;font-family:var(--serif);font-size:21px;line-height:1.65;color:#592d28}.history-story-lead{display:block;font-size:13px;line-height:1.9;color:#77604e;margin-top:8px}.history-story-toggle{position:absolute;right:18px;top:24px;width:23px;height:23px;line-height:23px;text-align:center;font-size:21px;color:#a17450;transition:rotate .25s}.history-story[open] .history-story-toggle{rotate:45deg}.history-story[open]>summary{border-bottom:1px solid #ddcfb8;background:#f3eadb}.history-story-body{padding:5px 24px 20px}.history-story-body>p{font-family:var(--serif);font-size:17px;line-height:2.1;letter-spacing:.025em;margin:18px 0;color:#40352e;text-align:justify}.history-story-body>p:first-child{margin-top:22px}.history-story-body>p.history-story-note{font-family:var(--sans);font-size:12px;line-height:1.9;color:#896a50;padding-left:12px;border-left:2px solid #c1a07a}.history-story-sources{border-top:1px solid #ddceb8;padding-top:15px;margin-top:25px}.history-story-sources>span{font-size:11px;color:#8b6b51}.history-story-sources .source-list{padding-left:18px;margin:8px 0 0}.history-story-sources .source-list li{margin:5px 0;font-size:12px;line-height:1.8}.history-story-sources .source-list a{font-size:12px}.history-story-sources .source-meta{font-size:10px}.history-literature .history-story-meta{color:#6f6851}.history-literature{background:#f6f5ed;border-color:#ccceb9}.history-literature[open]>summary{background:#eaeade;border-color:#ccceb9}.history-figure{margin:26px 0;background:#f0e6d6;border:1px solid #cfbca0;border-radius:4px;overflow:hidden}.history-image-button{display:block;position:relative;width:100%;border:0;padding:0;background:#e9dec9;cursor:zoom-in}.history-image-button img{display:block;width:100%;height:auto;max-height:420px;object-fit:contain}.history-image-button>span{position:absolute;bottom:10px;right:10px;padding:4px 8px;border:1px solid #e8d4b777;border-radius:3px;background:#412e28ce;color:#fff0d7;font-size:10px;opacity:.9}.history-figure figcaption{padding:13px 16px;font-family:var(--sans)}.history-figure figcaption strong{font-size:13px;color:#6e3d2f}.history-figure figcaption p{font-size:12px!important;line-height:1.8!important;margin:5px 0 8px}.history-image-credit{font-size:10px;color:#826b55;line-height:1.9;overflow-wrap:anywhere}.history-image-credit a{color:#91513a}.history-picture-shelf{border:1px solid #d9cdb8;border-radius:5px;margin-top:16px;padding:0 17px}.history-picture-shelf>summary{font-size:14px;color:#714c36;padding:14px 0;cursor:pointer}.history-picture-shelf>summary>span{font-size:11px;margin-left:12px;color:#91765b}.history-picture-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;padding:0 0 15px}.history-picture-grid .history-figure{margin:0}.history-picture-grid .history-image-button img{height:190px;max-height:190px}.history-picture-grid .history-figure figcaption{padding:10px 12px}#history-image-dialog{width:min(1150px,calc(100% - 24px));padding:20px 24px;max-height:94dvh;background:#f9f3e9;z-index:2000}#history-image-dialog::backdrop{background:#140c0bd9;backdrop-filter:blur(5px)}.history-image-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:15px}.history-image-toolbar h2{font-size:18px;margin:0}.history-image-toolbar .icon-button{flex:none}.history-full-image{display:block;width:100%;height:auto;max-height:72dvh;object-fit:contain;background:#e5d9c5}#history-image-dialog p{font-size:13px;line-height:1.85;margin:12px 0 8px}.history-image-toolbar button:focus-visible,.history-image-button:focus-visible{outline:2px solid #a85d3d;outline-offset:-3px}
@media(max-width:600px){.history-reading{margin-top:24px;padding-top:16px}.history-reading-heading h3{font-size:20px}.history-story>summary{padding:16px 38px 15px 15px}.history-story-title{font-size:19px;line-height:1.6}.history-story-meta{font-size:10px}.history-story-lead{font-size:12px;line-height:1.8}.history-story-toggle{right:12px;top:21px}.history-story-body{padding:3px 15px 16px}.history-story-body>p{font-size:16px;line-height:2.05;letter-spacing:0;margin:16px 0}.history-figure{margin:22px -4px}.history-image-button img{max-height:330px}.history-figure figcaption{padding:12px}.history-picture-grid{grid-template-columns:1fr}.history-picture-grid .history-image-button img{height:auto;max-height:270px}.history-picture-shelf{padding:0 12px}.history-picture-shelf>summary>span{display:block;margin:4px 0 0 16px}#history-image-dialog{padding:13px 14px;width:calc(100% - 12px)}.history-image-toolbar h2{font-size:16px}.history-full-image{max-height:70dvh}}
@media print{.history-story,.history-story-body{break-inside:auto!important}.history-story-body>p{orphans:3;widows:3}.history-story-toggle,.history-image-button>span,.history-image-toolbar{display:none!important}.history-story>summary{border:0;padding:12px 0}.history-story-body{padding:0}.history-figure{break-inside:avoid}.history-reading{border:0}#history-image-dialog{display:none!important}}
.history-chronology{margin:18px 0 23px;border-block:1px solid #d9cbb5;padding:0 3px}.history-chronology>summary{font-size:13px;color:#8c5b3f;padding:12px 0;cursor:pointer}.history-chronology .historical-facts{padding:0 0 5px 22px}.history-chronology .historical-facts li{font-size:14px;line-height:1.9;margin:10px 0}.history-event-lead{font-size:15px;line-height:1.9;margin:14px 0}.history-chronology+.history-reading{margin-top:18px}

/* Let episode names and prose carry the reading order. */
.history-reading{border-top:0;padding-top:0;margin:24px 0}.history-story{border:0;border-top:1px solid #d9c8ae;border-radius:0;background:transparent;margin:22px 0}.history-story>summary{padding:18px 32px 14px 0}.history-story[open]>summary{background:transparent;border-bottom:0}.history-story-title{font-size:22px}.history-story-meta{color:#9b8065;font-size:10px;letter-spacing:.03em}.history-story-lead{color:#82715f;font-size:13px}.history-story-toggle{right:0;top:22px;color:#ac8a65}.history-story-body{padding:0 0 12px}.history-story-body>p:first-child{margin-top:10px}.history-story-body>p{font-size:17px;line-height:2.1}.history-literature,.history-literature[open]>summary{background:transparent;border-color:#d9c8ae}.history-prose{margin:22px 0}.history-prose p,.history-coda{font-family:var(--serif);font-size:16px;line-height:2;letter-spacing:.02em;color:#493c31}.history-coda{margin:24px 0}.history-numbers{font-size:12px;color:#8b735d;line-height:1.9;margin:20px 0}.history-references{border-top:1px solid #ddd1bf;margin:24px 0 8px;padding-top:2px}.history-references>summary{padding:11px 0;font-size:11px;color:#967a5e;cursor:pointer}.history-references .source-list{margin-top:7px}.history-references .source-list li,.history-references .source-list a{font-size:12px;line-height:1.8}.history-references .source-meta{font-size:10px}.history-story-sources{border:0;padding-top:0;margin-top:18px}.history-story-sources>span{font-size:10px;color:#ad9275}.history-story-sources .source-meta{display:none}.history-story-sources .source-list{padding-left:16px}.history-story-sources .source-list li,.history-story-sources .source-list a{font-size:11px;color:#8d6b50}.history-picture-shelf{border:0;border-top:1px solid #ddcfb9;border-radius:0;padding:0}.history-picture-shelf>summary{font-size:12px;color:#95775a}.history-picture-shelf>summary>span{font-size:10px}.history-related 
@media(max-width:600px){.history-reading{margin:20px 0}.history-story>summary{padding-top:16px}.history-story-title{font-size:20px}.history-story-body{padding:0 0 8px}.history-story-body>p{font-size:16px;line-height:2.05}.history-story-lead{font-size:12px}.history-coda,.history-prose p{font-size:15px;line-height:2}.history-figure{margin:23px 0}.history-story-toggle{right:0}}

.history-story:not([open]){border:1px solid #d4b995;border-left:3px solid #b28352;border-radius:5px;background:#f6edde}.history-story:not([open])>summary{padding-left:16px;padding-right:108px}.history-story>summary{padding-right:100px}.history-story .history-story-toggle{transition:none;transform:none;width:auto;height:auto;font-size:11px;line-height:1.8;right:10px;top:23px;border:1px solid #c9ad86;border-radius:4px;padding:3px 7px;background:#fffaf0;color:#8b5837;rotate:none}.history-collapse-label{display:none}.history-story[open] .history-expand-label{display:none}.history-story[open] .history-collapse-label{display:inline}.history-story[open] .history-story-toggle{rotate:none;background:transparent;border-color:transparent;color:#9f8368}.history-story>summary:hover{background:#eee0cb77}.history-story>summary:focus-visible{outline:2px solid #a65d3c;outline-offset:3px}.history-story-lead{padding-right:0}.history-story{scroll-margin-top:20px}
@media(max-width:600px){.history-story>summary,.history-story:not([open])>summary{padding-right:0;padding-bottom:45px}.history-story:not([open])>summary{padding-left:14px;padding-right:14px}.history-story .history-story-toggle{top:auto;bottom:12px;right:12px}.history-story[open] .history-story-toggle{right:0}}
@media print{}

/* Source excerpts stay in the story, with a discreet bibliographic caption. */
.history-document{margin:18px 0 26px;padding:2px 0 2px 18px;border-left:2px solid #b7a18a}.history-document>p{font-family:var(--serif);font-size:1.08rem;line-height:1.9;margin:0 0 10px;color:var(--ink)}.history-document footer{font-family:var(--sans);font-size:12px;line-height:1.8;color:var(--muted);overflow-wrap:anywhere}.history-document footer span{display:block;margin-top:4px}.history-document footer a{text-decoration:underline;text-underline-offset:3px}.history-story-body .history-document-intro{margin-top:22px}
@media(max-width:600px){.history-document{padding-left:12px}.history-document>p{font-size:1rem}.history-document footer{font-size:11px}}