/* 第四程：桥间的沉浸式文化展览。仅作用于新增展品及导航。 */
#explore-screen{max-width:1240px;padding:7px 20px 36px;margin:auto;animation:explore-arrive .7s ease-out}.explore-heading{position:relative;text-align:center;margin:0 auto 26px;max-width:1100px}.explore-heading>.eyebrow{justify-content:center;font-size:10px;letter-spacing:2.5px}.explore-heading .eyebrow i{font:9px Georgia,serif;letter-spacing:1.7px;color:#a28b66}.explore-heading h1{font:400 43px/1.5 var(--serif);letter-spacing:5px;margin:11px 0 8px}.explore-heading h1>i{font-style:normal;color:#ad7957;font-size:27px;margin:0 9px}.explore-heading>p:last-child{font-size:11px;line-height:2;color:#7e8975;letter-spacing:1px}.explore-heading .back-button{left:0;top:0}#explore-title:focus,#explore-quiz-title:focus,#explore-finale-title:focus{outline:none}.explore-gallery{display:grid;grid-template-columns:minmax(0,1.64fr) minmax(300px,1fr);max-width:1100px;margin:auto;border:1px solid #cdd2bc;background:#f2f0e5;box-shadow:0 15px 50px #243e3606}.explore-landscape{min-width:0;border-right:1px solid #cdd2bc;display:flex;flex-direction:column}.explore-labelbar,.explore-exhibit-top{height:47px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #d6dac6;padding:0 21px;font-size:10px;letter-spacing:1.8px;color:#718167}.explore-labelbar i,.explore-exhibit-top i{font:8px Georgia,serif;letter-spacing:1.5px;color:#a0a78c;margin-left:8px}.explore-labelbar b{font:12px Georgia,serif;color:#a27f54;margin-left:6px;letter-spacing:1px}.explore-scene{position:relative;flex:1;min-height:485px;overflow:hidden;isolation:isolate;background:radial-gradient(ellipse at 50% 40%,#faf6eab3,transparent 65%)}.explore-panorama{position:absolute;inset:0;transform-origin:50% 45%;transition:transform 1.15s cubic-bezier(.2,.65,.25,1)}.explore-panorama>img{position:absolute;width:100%;height:auto;max-width:none;top:9%;left:0;pointer-events:none;user-select:none}.explore-scene[data-focus=beams] .explore-panorama{transform:scale(1.18);transform-origin:37% 57%}.explore-scene[data-focus=joint] .explore-panorama{transform:scale(1.18);transform-origin:72% 47%}.explore-scene[data-focus=lineage] .explore-panorama{transform:scale(1.14);transform-origin:47% 35%}.explore-hotspot{position:absolute;display:flex;align-items:center;gap:9px;z-index:3;min-height:44px;padding:0 4px;color:#395747;transform:translate(-22px,-22px);white-space:nowrap}.explore-hotspot-beams{left:34%;top:59%}.explore-hotspot-joint{left:72%;top:46%}.explore-hotspot-lineage{left:46%;top:31%}.explore-pin{height:34px;width:34px;display:grid;place-items:center;background:#f6f0dda8;backdrop-filter:blur(4px);border:1px solid #ab8d5b;border-radius:50%;font:16px var(--serif);color:#97603f;position:relative;box-shadow:0 0 0 5px #d6c9a32b,0 0 24px #f8e3acb3;transition:background .3s,color .3s,box-shadow .3s;flex-shrink:0}.explore-pin::before,.explore-pin::after{content:"";position:absolute;inset:-7px;border:1px solid #b99c6370;border-radius:50%;animation:explore-pin-breathe 3s ease-in-out infinite}.explore-pin::after{inset:-14px;border-color:#c1a77429;animation-delay:.7s}.explore-pin-label{font:14px var(--serif);letter-spacing:2px;background:#f7f3e7b8;padding:7px 9px;border-left:1px solid #bfa87787;box-shadow:5px 5px 20px #f4f1e855;transition:color .3s}.explore-hotspot:hover .explore-pin,.explore-hotspot[aria-pressed=true] .explore-pin{box-shadow:0 0 0 7px #bd9b6625,0 0 30px #d9bc7c80;background:#f4e7c7}.explore-hotspot.is-explored .explore-pin{background:#58745e;color:#f4ebd4;border-color:#58745e}.explore-hotspot.is-explored .explore-pin::after,.explore-hotspot.is-explored .explore-pin::before{animation:none;border-color:#71876d40}.explore-hotspot.is-explored .explore-pin-label{color:#6d8164}.explore-scene-light{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:0;background:radial-gradient(ellipse at 50% 45%,#eedba44d,transparent 65%);transition:opacity .7s}.explore-scene[data-focus] .explore-scene-light{opacity:1}.explore-inscription{position:absolute;right:6%;top:10%;display:flex;gap:12px;align-items:center;writing-mode:vertical-rl;color:#789076;pointer-events:none;font:14px var(--serif);letter-spacing:4px}.explore-inscription i{font:11px/1.4 var(--serif);letter-spacing:2px;color:#a95f45;border:1px solid #b980617d;padding:6px 3px;writing-mode:horizontal-tb}.explore-scene-caption{position:absolute;bottom:9%;width:100%;display:flex;justify-content:center;align-items:center;gap:13px;font-size:9px;letter-spacing:2px;color:#8a987d;pointer-events:none}.explore-scene-caption>span{width:20px;height:1px;background:#c3cbb2}.explore-colophon{display:flex;justify-content:space-between;align-items:center;padding:13px 21px;border-top:1px solid #d6dac6;font-size:9px;letter-spacing:1.5px;color:#919b80}.explore-colophon>span:last-child{font-size:8px;letter-spacing:.5px;color:#a3916f}.explore-exhibit{min-width:0;background:linear-gradient(90deg,#e9e6d73b,transparent 8%),#f6f2e7;position:relative}.explore-exhibit::after{content:"";height:3px;position:absolute;left:18px;right:18px;bottom:6px;border-top:1px solid #d5cdb5;border-bottom:1px solid #e5decb;pointer-events:none}.explore-exhibit-top{font-size:10px;padding:0 24px}.explore-exhibit-top>button{font-size:25px;min-width:44px;min-height:44px;margin-right:-12px;color:#89917a}.explore-overview,.explore-exhibit article{padding:25px 27px 31px;animation:explore-unroll .55s ease-out}.explore-book-mark{display:grid;place-items:center;font:26px var(--serif);width:47px;height:57px;border:1px solid #b3a17a;color:#997c50;margin:7px 0 27px;position:relative}.explore-book-mark::before{content:"";position:absolute;inset:4px;border:1px solid #d2c6a9}.explore-overview>.eyebrow{font-size:9px;letter-spacing:2px}.explore-overview h2{font:400 30px/1.6 var(--serif);letter-spacing:3px;margin:12px 0 15px}.explore-overview>p:not(.eyebrow){font-size:11px;line-height:2.1;letter-spacing:.6px;color:#829074}.explore-overview-rule{display:flex;gap:15px;align-items:center;margin-top:22px}.explore-overview-rule>span{font:19px var(--serif);color:#9c7d55;border:1px solid #d5ceb8;width:33px;height:35px;display:grid;place-items:center}.explore-overview-rule p{font-size:11px;letter-spacing:1px;color:#647b5e;line-height:1.8}.explore-overview-rule small{font-size:9px;color:#99a087;letter-spacing:.6px}.explore-overview .explore-overview-foot{font-size:9px;color:#a38e6d;margin-top:29px;border-top:1px solid #dedbc8;padding-top:15px}.explore-collection-no{font:12px var(--serif);color:#a16c49;letter-spacing:2px}.explore-collection-no i{font:8px Georgia,serif;color:#a8a68c;letter-spacing:1.3px;margin-left:7px}.explore-exhibit article h2{font:400 32px/1.5 var(--serif);letter-spacing:4px;margin:8px 0 3px}.explore-exhibit-lead{font:14px/1.8 var(--serif);letter-spacing:1.5px;color:#8c957b}.explore-mini-art{position:relative;margin:14px -8px 13px;padding-bottom:16px;background:radial-gradient(ellipse,#e6e4d163,transparent 69%);overflow:hidden}.explore-mini-art>svg{display:block;width:100%;height:auto;max-height:165px}.explore-mini-art>small{font-size:8px;letter-spacing:.5px;color:#a39d83;display:block;text-align:center;margin-top:0}.explore-culture-copy{font-size:11px;line-height:2.05;letter-spacing:.45px;color:#718367}.explore-art-note{font-size:9px;line-height:1.9;color:#a08c6a;margin-top:9px;letter-spacing:.35px}.explore-action{width:100%;min-height:44px;border:1px solid #c5cdb4;color:#536e4e;display:flex;align-items:center;justify-content:space-between;padding:10px 13px;font-size:11px;letter-spacing:1.3px;margin-top:15px;transition:background .3s}.explore-action:hover{background:#e7e9d9}.explore-action:disabled{cursor:default}.explore-source{display:inline-block;font-size:8px;line-height:1.9;color:#9c9f86;letter-spacing:.1px;border-bottom:1px solid #d5d6c1;margin-top:15px}.explore-collect{width:100%;border-top:1px solid #d7d5bd;display:flex;align-items:center;justify-content:space-between;margin-top:19px;padding:14px 0 0;min-height:47px;font:14px var(--serif);letter-spacing:2px;color:#98603f;transition:opacity .3s}.explore-collect>span{font:16px var(--sans)}.explore-collect:disabled{opacity:.35;cursor:default}.explore-range-label{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:#7b8b6e;letter-spacing:1px;margin-top:15px}.explore-range-label output{font:13px Georgia,serif;color:#a07c52}.explore-range{width:100%;height:38px;appearance:none;-webkit-appearance:none;background:transparent;accent-color:#8e6c45;cursor:ew-resize;touch-action:pan-y;margin:0}.explore-range::-webkit-slider-runnable-track{height:2px;background:#c5cbb2}.explore-range::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:22px;height:22px;border:1px solid #a98a5c;border-radius:50%;margin-top:-10px;background:#eee4ce;box-shadow:inset 0 0 0 6px #eee4ce,inset 0 0 0 12px #98744b}.explore-range::-moz-range-track{height:2px;background:#c5cbb2}.explore-range::-moz-range-thumb{width:22px;height:22px;border:1px solid #a98a5c;border-radius:50%;background:#eee4ce}.explore-joint-actions{display:flex;gap:8px;align-items:center}.explore-joint-actions .explore-action{margin:0;flex:1}.explore-joint-actions .text-button{font-size:9px;letter-spacing:.4px;color:#8b987c}.explore-lineage-tabs{display:flex;border-bottom:1px solid #d2d6bd;margin-bottom:13px}.explore-lineage-tabs>button{flex:1;min-height:40px;font:15px var(--serif);letter-spacing:3px;color:#9da68b;position:relative}.explore-lineage-tabs .is-current,.explore-lineage-tabs [aria-pressed=true]{color:#8f613f}.explore-lineage-tabs .is-current::after,.explore-lineage-tabs [aria-pressed=true]::after{content:"";height:2px;background:#a48053;bottom:-1px;left:18%;right:18%;position:absolute}.explore-era-title{font:400 17px/1.5 var(--serif);color:#627a5a;letter-spacing:2px;margin-bottom:7px}.explore-lineage-art [data-lineage-person]{opacity:.12;transition:opacity .8s,transform .8s;transform:translateY(8px)}.explore-lineage-art[data-era="0"] [data-lineage-person="0"],.explore-lineage-art[data-era="1"] [data-lineage-person="0"],.explore-lineage-art[data-era="1"] [data-lineage-person="1"],.explore-lineage-art[data-era="2"] [data-lineage-person]{opacity:1;transform:none}.explore-status{max-width:1100px;margin:14px auto 0;text-align:center;min-height:24px;font-size:10px;letter-spacing:.9px;line-height:2;color:#839274}.explore-quiz{max-width:970px;margin:32px auto 0;border-top:1px solid #cad2b8;padding:30px 0 0;display:grid;grid-template-columns:1fr 1.07fr;gap:45px;animation:explore-unroll .8s ease-out}.explore-quiz-intro .eyebrow{font-size:9px;letter-spacing:2px}.explore-quiz h2{font:400 28px/1.6 var(--serif);letter-spacing:3px;margin:10px 0 9px}.explore-quiz-intro>p:last-child{font-size:11px;line-height:2;color:#7e8f73;letter-spacing:.8px}.explore-answers>button{display:flex;width:100%;align-items:center;gap:16px;border:1px solid #cdd3bc;min-height:49px;padding:10px 16px;font:16px var(--serif);letter-spacing:2px;margin-bottom:9px;transition:background .3s,border-color .3s}.explore-answers>button>span{font:11px Georgia,serif;color:#a4865d;letter-spacing:0}.explore-answers>button>i{font:15px var(--sans);margin-left:auto;color:#a3ad91}.explore-answers>button:hover{background:#e8eadc}.explore-answers>button.is-wrong{background:#efe4d933;border-color:#ba9a7b}.explore-answers>button.is-correct{background:#e2e8d4;border-color:#9aaa80}.explore-answers>p{font-size:10px;color:#8f977e;line-height:2;min-height:26px;letter-spacing:.4px}.explore-finale{max-width:1100px;text-align:center;position:relative;margin:34px auto 0;padding:37px 15px 17px;border-top:1px solid #cad2b8;overflow:hidden;animation:explore-finale-in 1.2s ease-out}.explore-finale::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at 50% 36%,#e4d5a938,transparent 65%);animation:explore-final-glow 3s ease-out}.explore-seal{font:14px/1.5 var(--serif);border:1px solid #ad7257;color:#a15d44;width:47px;min-height:47px;display:grid;place-items:center;margin:0 auto 21px;letter-spacing:3px;transform:rotate(-5deg);box-shadow:inset 0 0 0 3px #f4f1e8,inset 0 0 0 4px #cba18a66}.explore-finale>.eyebrow{justify-content:center;font-size:9px;letter-spacing:3px}.explore-finale h2{font:400 32px/1.6 var(--serif);letter-spacing:4px;margin:13px 0 11px}.explore-finale>p:not(.eyebrow){font-size:11px;line-height:2.1;color:#8a977d;letter-spacing:1px}.explore-finale .primary-button{margin:23px auto 11px;min-width:212px;font-size:12px;min-height:50px;letter-spacing:2px}.explore-finale .explore-coming-note{font-size:9px;letter-spacing:.5px;color:#a1a78e}.explore-finale>.text-button{display:block;margin:5px auto 0;font-size:10px;color:#8e9a80}.explore-disclosure{max-width:990px;margin:25px auto 0;text-align:center;font-size:9px;line-height:2;letter-spacing:.35px;color:#a0a78f}.explore-disclosure strong{font-weight:400;color:#a48661}.explore-lower-actions{display:flex;justify-content:center;gap:25px;margin:4px auto 0}.explore-lower-actions .text-button{font-size:10px;color:#8a977c}.explore-reserved-dialog{text-align:center;width:440px;padding:39px 30px}.explore-reserved-dialog .eyebrow{justify-content:center;font-size:9px}.explore-reserved-dialog h2{font:400 32px/1.6 var(--serif);letter-spacing:3px;margin:15px 0}.explore-reserved-dialog>p:not(.eyebrow){font-size:12px;line-height:2;color:#87967b}.explore-reserved-dialog .primary-button{margin-top:23px;font-size:11px;min-height:46px}.explore-active .nav-game,.explore-active .nav-weave,.explore-active .nav-instant{color:#767f70}.explore-active .nav-game::after,.explore-active .nav-weave::after,.explore-active .nav-instant::after{display:none}.nav-explore{white-space:nowrap}.header-nav{gap:20px;font-size:12px;letter-spacing:.6px}
@keyframes explore-arrive{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes explore-pin-breathe{0%,100%{opacity:.45;transform:scale(.95)}50%{opacity:1;transform:scale(1.08)}}@keyframes explore-unroll{from{opacity:0;transform:translateY(8px);clip-path:inset(0 0 12%)}to{opacity:1;transform:none;clip-path:inset(0)}}@keyframes explore-finale-in{from{opacity:0;transform:translateY(15px);filter:blur(3px)}to{opacity:1;transform:none;filter:none}}@keyframes explore-final-glow{0%{opacity:0}50%{opacity:1}100%{opacity:.5}}
@media(max-width:1100px){.header-nav{gap:13px;font-size:10px;letter-spacing:.3px}.explore-heading h1{font-size:37px}.explore-gallery{grid-template-columns:minmax(0,1.4fr) minmax(290px,1fr)}.explore-scene{min-height:480px}.explore-hotspot{gap:6px}.explore-hotspot-joint{left:67%}.explore-pin-label{font-size:12px;padding:6px}.explore-exhibit article,.explore-overview{padding-left:22px;padding-right:22px}.explore-inscription{right:4%;font-size:12px}.explore-labelbar{padding:0 15px}.explore-labelbar i{display:none}.explore-panorama>img{top:15%}}
@media(max-width:760px){#explore-screen{padding:0 12px 25px}.explore-heading{text-align:left;margin:0 8px 20px}.explore-heading .back-button{position:static;display:block;margin:0 0 9px;padding:7px 0;font-size:15px}.explore-heading>.eyebrow{justify-content:flex-start;font-size:8px;letter-spacing:1.6px;gap:6px}.explore-heading .eyebrow i{font-size:7px;letter-spacing:1px}.explore-heading h1{font-size:29px;letter-spacing:2px;margin-top:8px}.explore-heading h1>i{font-size:19px;margin:0 5px}.explore-heading>p:last-child{font-size:10px;letter-spacing:.4px;max-width:320px}.explore-gallery{display:flex;flex-direction:column}.explore-landscape{border-right:0}.explore-labelbar{height:42px;font-size:9px;padding:0 13px;letter-spacing:1px}.explore-labelbar b{font-size:11px}.explore-scene{min-height:0;flex:auto;aspect-ratio:1000/940}.explore-panorama>img{width:128%;left:-14%;top:4%}.explore-hotspot-beams{left:24%;top:60%}.explore-hotspot-joint{left:68%;top:45%}.explore-hotspot-lineage{left:38%;top:29%}.explore-hotspot{gap:6px}.explore-pin{width:31px;height:31px;font-size:15px}.explore-pin-label{font-size:12px;letter-spacing:1px;padding:6px}.explore-inscription{top:8%;right:6%;font-size:11px;letter-spacing:3px;gap:8px}.explore-inscription i{font-size:9px;padding:5px 2px}.explore-scene-caption{bottom:8%;font-size:8px;letter-spacing:1.2px;gap:8px}.explore-colophon{font-size:8px;padding:11px 13px}.explore-colophon>span:last-child{font-size:8px}.explore-exhibit{border-top:1px solid #cdd2bc;scroll-margin-top:12px}.explore-exhibit-top{height:43px;font-size:9px;padding:0 20px}.explore-exhibit-top i{font-size:8px}.explore-exhibit article,.explore-overview{padding:23px 23px 28px}.explore-overview{position:relative}.explore-book-mark{float:right;margin:5px 0 20px 20px;width:41px;height:50px;font-size:23px}.explore-overview>.eyebrow{font-size:8px;letter-spacing:1.3px}.explore-overview h2{font-size:26px;line-height:1.5;letter-spacing:2px;margin:11px 0}.explore-overview>p:not(.eyebrow){font-size:10px;letter-spacing:.5px}.explore-overview-rule{margin-top:16px;gap:13px;display:inline-flex;width:49%;align-items:flex-start}.explore-overview-rule>span{height:29px;width:25px;font-size:16px}.explore-overview-rule p{font-size:9px;line-height:1.8;letter-spacing:.2px}.explore-overview-rule small{font-size:8px;letter-spacing:0}.explore-overview .explore-overview-foot{font-size:9px;margin-top:19px;padding-top:12px}.explore-collection-no{font-size:11px}.explore-exhibit article h2{font-size:29px;margin:8px 0 2px}.explore-exhibit-lead{font-size:13px;letter-spacing:1px}.explore-mini-art{max-width:350px;margin:14px auto 12px}.explore-mini-art>svg{max-height:174px}.explore-mini-art>small{font-size:8px}.explore-culture-copy{font-size:11px;line-height:2;letter-spacing:.35px}.explore-art-note{font-size:9px;line-height:1.9;margin-top:8px}.explore-source{font-size:8px;line-height:1.9;margin-top:15px}.explore-action{font-size:10px;min-height:45px}.explore-collect{font-size:14px;min-height:49px}.explore-status{font-size:9px;letter-spacing:.4px;padding:0 7px;margin-top:12px;line-height:1.9}.explore-quiz{margin:26px 8px 0;padding:24px 0 0;display:block}.explore-quiz h2{font-size:25px;letter-spacing:2px;margin-top:9px}.explore-quiz-intro>p:last-child{font-size:10px}.explore-answers{margin-top:19px}.explore-answers>button{min-height:48px;font-size:15px;letter-spacing:1.5px}.explore-answers>p{font-size:9px}.explore-finale{margin-top:25px;padding:29px 7px 10px}.explore-seal{font-size:13px;width:44px;margin-bottom:18px}.explore-finale>.eyebrow{font-size:8px;letter-spacing:2px}.explore-finale h2{font-size:25px;letter-spacing:2px;margin-top:12px}.explore-finale>p:not(.eyebrow){font-size:10px;letter-spacing:.5px}.explore-finale .primary-button{font-size:11px;min-height:48px;margin-top:19px}.explore-finale .explore-coming-note{font-size:8px}.explore-finale>.text-button{font-size:9px}.explore-disclosure{font-size:8px;letter-spacing:.1px;margin-top:21px;padding:0 7px;line-height:1.9}.explore-lower-actions{gap:16px}.explore-lower-actions .text-button{font-size:9px}.explore-reserved-dialog{padding:32px 25px}.explore-reserved-dialog h2{font-size:28px}.explore-reserved-dialog>p:not(.eyebrow){font-size:11px}}
@media(max-width:360px){.explore-heading h1{font-size:26px}.explore-pin-label{font-size:11px;letter-spacing:.4px}.explore-hotspot-joint{left:66%}.explore-overview-rule{width:100%}.explore-overview-rule+ .explore-overview-rule{margin-top:12px}}
@media(prefers-reduced-motion:reduce){#explore-screen,.explore-panorama,.explore-pin::before,.explore-pin::after,.explore-overview,.explore-exhibit article,.explore-lineage-art [data-lineage-person],.explore-finale,.explore-finale::before{animation:none!important;transition:none!important;filter:none!important}.explore-scene[data-focus] .explore-panorama{transform:none}}
#explore-screen[hidden] *{animation-play-state:paused!important}
.explore-scene{aspect-ratio:1000/800;flex:0 0 auto;min-height:0}.explore-panorama>img{top:0}.explore-hotspot-beams{left:33%;top:48.75%}.explore-hotspot-joint{left:61.2%;top:38.625%}.explore-hotspot-lineage{left:46.5%;top:30.125%}.explore-colophon{margin-top:auto}.explore-support-art [data-support-member]{opacity:.55;transition:transform .65s cubic-bezier(.2,.7,.25,1),opacity .65s;transform-box:fill-box;transform-origin:center}.explore-support-art [data-support-member="0"]{transform:translate(-18px,14px)}.explore-support-art [data-support-member="1"]{transform:translate(18px,14px);transition-delay:.12s}.explore-support-art [data-support-member="2"]{transform:translateY(-18px);transition-delay:.24s}.explore-support-art [data-support-member="3"]{transform:translateY(-34px);transition-delay:.36s}.is-supporting .explore-support-art [data-support-member],.is-supported .explore-support-art [data-support-member]{transform:none;opacity:1}.is-joined .explore-joint-art{background:radial-gradient(ellipse,#e0c5894d,transparent 70%)}.explore-exhibit article h2:focus{outline:none}.explore-gallery:has(.explore-exhibit article:not([hidden])) .explore-exhibit{box-shadow:inset 3px 0 16px #c4ad8012}.explore-screen-inactive *{animation-play-state:paused!important}
@media(max-width:760px){.explore-scene{aspect-ratio:1000/940}.explore-panorama>img{width:128%;left:-14%;top:4%}.explore-hotspot-beams{left:28.24%;top:57.11%}.explore-hotspot-joint{left:64.34%;top:46.08%}.explore-hotspot-lineage{left:45.52%;top:36.82%}}
@media(prefers-reduced-motion:reduce){.explore-support-art [data-support-member]{transition:none!important}}
/* 光点保持固定，局部推近只作用于画卷，避免动画移动点击目标。 */
.explore-scene[data-focus] .explore-panorama{transform:none}.explore-panorama>img{transition:transform 1.1s cubic-bezier(.2,.65,.25,1)}.explore-scene[data-focus=beams] .explore-panorama>img{transform:scale(1.12);transform-origin:33% 49%}.explore-scene[data-focus=joint] .explore-panorama>img{transform:scale(1.12);transform-origin:61% 39%}.explore-scene[data-focus=lineage] .explore-panorama>img{transform:scale(1.12);transform-origin:47% 30%}
@media(prefers-reduced-motion:reduce){.explore-panorama>img{transition:none!important;transform:none!important}}
/* 编梁可反复观看：散梁、相承与重播分别呈现，收录状态独立保留。 */
.explore-support-art[role=button]{cursor:pointer;touch-action:manipulation}.explore-support-art [data-support-member]{opacity:.36;transition-duration:.8s}.explore-support-art [data-support-member="0"]{transform:translate(-56px,28px) rotate(-9deg);transition-delay:0s}.explore-support-art [data-support-member="1"]{transform:translate(56px,28px) rotate(9deg);transition-delay:.18s}.explore-support-art [data-support-member="2"]{transform:translateY(-56px);transition-delay:.38s}.explore-support-art [data-support-member="3"]{transform:translateY(58px);transition-delay:.58s}.is-supporting .explore-support-art [data-support-member],.is-supported .explore-support-art [data-support-member]{transform:none;opacity:1}.is-rewinding .explore-support-art [data-support-member]{transition:none!important}.explore-support-connections{opacity:.13;transition:opacity .5s .8s}.is-supporting .explore-support-connections,.is-supported .explore-support-connections{opacity:1}.is-rewinding .explore-support-connections{opacity:.13;transition:none}.explore-support-status{font-size:10px;line-height:1.9;color:#8d744f;letter-spacing:.45px;margin:9px 0 0;min-height:38px}.is-supporting .explore-support-art{background:radial-gradient(ellipse,#e2cd963b,transparent 70%)}#explore-support-btn:disabled{cursor:wait;opacity:.8}.explore-support-art:focus-visible{outline:1px solid #a67d51;outline-offset:2px}
@media(prefers-reduced-motion:reduce){.explore-support-art [data-support-member],.explore-support-connections{transition:none!important}}
/* 保留热点定位偏移，覆盖通用按钮按下样式，避免按下时跳开 22px 而漏点。 */
.explore-hotspot:active:not(:disabled){transform:translate(-22px,-21px)}
/* 桥间一问使用浏览器顶层对话框，避免画卷裁切、动画和滚动遮住题目。 */
.explore-quiz-launch{max-width:1040px;margin:27px auto 0;padding:24px 12px;border-top:1px solid #cbd1b9;display:flex;align-items:center;justify-content:space-between;gap:28px;animation:explore-unroll .6s ease-out}.explore-quiz-launch .eyebrow{font-size:9px;letter-spacing:2px}.explore-quiz-launch h2{font:400 26px/1.6 var(--serif);letter-spacing:3px;margin:8px 0}.explore-quiz-launch p:last-child{font-size:11px;line-height:2;letter-spacing:.5px;color:#7a8b6e}.explore-quiz-launch>.primary-button{font-size:11px;letter-spacing:1.3px;min-width:205px;min-height:48px;white-space:nowrap}.explore-quiz-dialog{position:fixed;inset:0;width:790px;max-width:calc(100% - 30px);max-height:calc(100dvh - 30px);margin:auto;padding:38px 36px 24px;grid-template-columns:1fr 1.06fr;gap:23px 31px;overflow:auto;border:1px solid #babda2;background:linear-gradient(110deg,#f4eddb77,transparent 50%),var(--paper);box-shadow:0 20px 100px #1c352d55;isolation:isolate}.explore-quiz-dialog:not([open]){display:none!important}.explore-quiz-dialog::backdrop{background:#20382d99;backdrop-filter:blur(5px)}.explore-quiz-dialog .explore-quiz-close{position:absolute;right:10px;top:8px;min-width:44px;min-height:44px;font-size:26px;color:#78876a;padding:0;z-index:2}.explore-quiz-seal{display:grid;place-items:center;width:37px;height:42px;font:22px var(--serif);color:#a36548;border:1px solid #b37e5e;margin-bottom:18px;transform:rotate(-4deg);box-shadow:inset 0 0 0 3px #f4f1e8,inset 0 0 0 4px #b37e5e55}.explore-quiz-dialog .explore-quiz-intro h2{font-size:26px;letter-spacing:2px}.explore-quiz-dialog #explore-quiz-question{font-size:12px;line-height:2.1;letter-spacing:.5px;color:#63795a;max-width:290px}.explore-quiz-dialog .explore-answers{padding-top:38px}.explore-quiz-dialog .explore-answers>button{min-height:51px;font-size:17px;border-color:#c4cbb0;background:#f7f2e766;text-align:left}.explore-quiz-dialog .explore-answers>button.is-correct{background:#dfe8cf;border-color:#8fa678}.explore-quiz-dialog .explore-answers>button.is-wrong{background:#ede1d2;border-color:#b49572}.explore-quiz-dialog .explore-answers>button:disabled{cursor:default;opacity:.83}.explore-quiz-dialog #explore-quiz-feedback{font-size:11px;line-height:1.95;margin-top:13px;min-height:43px;color:#7a8b6a}.explore-quiz-dialog #explore-quiz-feedback.is-correct{color:#536f43;font-family:var(--serif);font-size:16px;letter-spacing:1px}.explore-quiz-dialog #explore-quiz-feedback.is-hint{color:#a17a51}.explore-quiz-footer{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;gap:16px;border-top:1px solid #d2d5bf;padding-top:16px}.explore-quiz-footer>.text-button{font-size:10px;letter-spacing:.5px;color:#8c987b}.explore-quiz-footer>.primary-button{font-size:11px;min-height:47px;letter-spacing:1.5px;min-width:168px}.explore-quiz-footer>.primary-button:disabled{opacity:.5;cursor:wait}
@media(max-width:760px){.explore-quiz-launch{margin:22px 7px 0;padding:21px 0;display:block}.explore-quiz-launch h2{font-size:24px}.explore-quiz-launch p:last-child{font-size:10px}.explore-quiz-launch>.primary-button{font-size:10px;min-height:46px;margin-top:16px;min-width:200px}.explore-quiz-dialog{width:440px;max-width:calc(100% - 26px);max-height:calc(100dvh - 26px);padding:27px 23px 17px;display:block}.explore-quiz-dialog .explore-quiz-seal{float:right;margin:20px 4px 12px 10px;width:32px;height:37px;font-size:19px}.explore-quiz-dialog .explore-quiz-intro>.eyebrow{font-size:8px;letter-spacing:1.5px;margin-top:6px}.explore-quiz-dialog .explore-quiz-intro h2{font-size:25px;letter-spacing:2px;margin-top:10px}.explore-quiz-dialog #explore-quiz-question{font-size:11px;line-height:2;max-width:none}.explore-quiz-dialog .explore-answers{padding-top:0;margin-top:18px;clear:both}.explore-quiz-dialog .explore-answers>button{font-size:16px;min-height:48px;margin-bottom:9px}.explore-quiz-dialog #explore-quiz-feedback{font-size:10px;min-height:37px;margin-top:12px}.explore-quiz-dialog #explore-quiz-feedback.is-correct{font-size:15px;letter-spacing:.5px}.explore-quiz-footer{margin-top:13px;padding-top:12px;gap:10px;flex-wrap:wrap}.explore-quiz-footer>.text-button{font-size:9px;padding-left:0;padding-right:0}.explore-quiz-footer>.primary-button{min-height:46px;font-size:10px;min-width:150px}}
@media(prefers-reduced-motion:reduce){.explore-quiz-launch,.explore-quiz-dialog[open]{animation:none!important}}