/* 八章立体展台：空间位移由滚动/拖拽驱动，正文保留可访问 DOM。 */
.course-explorer{background:#e9e8e1;color:#202720;position:relative;scroll-margin-top:-16px;--poster-width:660px;--poster-height:416px}
.explorer-pin{padding:48px 0 28px;overflow:hidden;position:relative;isolation:isolate}
.explorer-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin:0 max(4.2vw,28px);position:relative;z-index:3}
.explorer-heading .eyebrow{color:#5d6859;font-size:9px;letter-spacing:.2em}
.explorer-heading h2{font-size:clamp(36px,3.8vw,55px);margin-top:12px;font-weight:500;letter-spacing:-.065em}
.explorer-heading h2>span{font-family:"Songti SC",serif;font-style:italic;color:#0a48c7}
.explorer-instruction{font-size:11px;line-height:1.8;display:grid;grid-template-columns:28px auto;column-gap:10px;color:#52604e;padding-bottom:4px}
.explorer-instruction>span:first-child{font-size:24px;grid-row:1/3;align-self:center;color:#0a48c7}
.explorer-instruction small{font-size:10px;color:#56624f;grid-column:2}
.gallery-world{position:relative;margin:20px 0 0;isolation:isolate}
.gallery-word{position:absolute;inset:2% 0 auto;z-index:-1;font:500 clamp(130px,19vw,320px)/1 "Helvetica Neue",sans-serif;letter-spacing:-.08em;text-align:center;white-space:nowrap;color:#d6d9ce;user-select:none;pointer-events:none;will-change:transform}
.gallery-orbit{position:absolute;width:min(1150px,95vw);height:190px;border:1px solid #62756740;border-radius:50%;left:50%;bottom:8px;transform:translateX(-50%) rotate(-5deg);z-index:-1;pointer-events:none}
.gallery-orbit:after{content:"";position:absolute;inset:14px -60px -14px;border:1px solid #62756720;border-radius:50%}
.gallery-viewport{display:flex;overflow-x:auto;gap:24px;padding:50px max(4.2vw,28px);scroll-snap-type:x mandatory;perspective:1400px;perspective-origin:50% 48%;touch-action:auto;position:relative;outline-offset:-8px!important;scrollbar-width:none}
.gallery-viewport::-webkit-scrollbar{display:none}
.course-poster{position:relative;flex:0 0 var(--poster-width);width:var(--poster-width);height:var(--poster-height);background:#faf9f4;color:#17221d;padding:25px 30px;overflow:hidden;scroll-snap-align:center;transform-origin:center;box-shadow:0 28px 55px -25px #2e342b50,0 0 0 1px #aeb5a62e;display:block;border-radius:3px;isolation:isolate;user-select:none;-webkit-user-drag:none}
.course-poster:after{content:"";position:absolute;inset:0;border:1px solid #ffffffaa;pointer-events:none;border-radius:3px}
.poster-meta{display:flex;justify-content:space-between;font:9px/1.6 "Helvetica Neue","PingFang SC",sans-serif;letter-spacing:.08em;position:relative;z-index:4;border-bottom:1px solid #233b2c25;padding-bottom:11px}
.poster-meta>span:last-child{font-size:10px;letter-spacing:.1em}
.poster-number{font:italic 180px/.8 Georgia,serif;letter-spacing:-.08em;position:absolute;top:68px;left:22px;color:#1a2f2210;z-index:-1}
.poster-art{position:absolute;right:8px;top:62px;width:350px;height:280px;object-fit:contain;mix-blend-mode:normal;pointer-events:none;z-index:1;transform:translate3d(var(--art-x,0px),var(--art-y,0px),0) rotate(var(--art-rotate,0deg));will-change:transform}
.poster-copy{position:absolute;top:112px;left:30px;display:flex;flex-direction:column;align-items:flex-start;z-index:2;pointer-events:none}
.poster-topic{font-size:12px;letter-spacing:.12em;color:#3a573f;margin-bottom:14px}
.poster-copy strong{font-size:43px;line-height:1.22;letter-spacing:-.065em;font-weight:550;text-shadow:0 2px 12px #f4f3ee80}
.poster-description{font-size:10px;line-height:1.8;margin-top:19px;max-width:210px;color:#50634d}
.poster-bottom{position:absolute;bottom:23px;left:30px;right:30px;border-top:1px solid #233b2c25;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font:8px/1.5 "Helvetica Neue",sans-serif;letter-spacing:.08em;z-index:3}
.poster-open{font:12px/1.5 "PingFang SC",sans-serif;display:flex;gap:22px;align-items:center}
.poster-open b{font:24px/1 "Helvetica Neue",sans-serif;color:#0a48c7;font-weight:400;transition:transform .3s}
.course-poster:hover .poster-open b{transform:translate(3px,-3px)}
.poster-2{background:#f3f6f9}.poster-3{background:#f7f1e9}.poster-4{background:#f1f3ed}.poster-5{background:#f6f1e9}.poster-6{background:#eef3f7}.poster-7{background:#f0f2f7}.poster-8{background:#edf3fc}
.poster-3 .poster-number{color:#af581514}.poster-8 .poster-number{font-size:230px;top:83px;color:#0a48c713}.poster-8 .poster-topic{color:#0a48c7}
.gallery-drag-cue{position:absolute;right:14%;top:52%;width:76px;height:76px;border-radius:50%;background:#ff7a00;color:#171918;display:grid;place-content:center;text-align:center;font-size:10px;line-height:1.5;pointer-events:none;transform:rotate(12deg);box-shadow:0 6px 20px #0002;transition:opacity .25s,transform .4s;z-index:20}
.gallery-caption{margin:2px max(4.2vw,28px) 0;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:60px;position:relative;z-index:3}
.gallery-caption>div:first-child{display:flex;align-items:center;gap:14px}
.gallery-current{font:italic 47px/.9 Georgia,serif;letter-spacing:-.06em}.gallery-count{font:10px/1 "Helvetica Neue",sans-serif;color:#56624f;margin:18px 10px 0 -6px}
.gallery-caption p{display:flex;flex-direction:column;gap:8px}.gallery-current-name{font-size:15px;font-weight:500}.gallery-caption p>span{font-size:10px;color:#56624f}
.gallery-actions{display:flex;align-items:center;gap:9px}
.gallery-actions>button{width:44px;height:44px;border-radius:50%;background:transparent;color:#253022;border:1px solid #a7b1a1;font-size:23px;transition:background .2s,color .2s}
.gallery-actions>button:hover{background:#202720;color:#faf9f4}.gallery-actions>button:disabled{opacity:.28}
.gallery-open{display:flex;align-items:center;justify-content:space-between;gap:36px;border-radius:50px;background:#202720;color:#faf9f4;padding:14px 21px;font-size:12px;margin-left:12px;min-height:46px}
.gallery-open>span{font-size:20px;line-height:1}.gallery-open:hover{background:#0a48c7}
.gallery-navigation{display:grid;grid-template-columns:repeat(8,1fr);margin:25px max(4.2vw,28px) 0;border-top:1px solid #b8bfae}
.gallery-stop{background:transparent;color:#5e6957;display:flex;gap:10px;align-items:center;text-align:left;padding:18px 6px 11px;min-height:50px;position:relative}
.gallery-stop:before{content:"";position:absolute;left:0;right:100%;top:-2px;height:3px;background:#0a48c7;transition:right .35s}
.gallery-stop>span{font:10px/1 "Helvetica Neue",sans-serif}.gallery-stop>strong{font-size:11px;font-weight:400;white-space:nowrap}
.gallery-stop[aria-pressed=true]{color:#0a48c7}.gallery-stop[aria-pressed=true]:before{right:0}.gallery-stop:hover{color:#0a48c7}
.gallery-skip{display:flex;align-items:center;justify-content:center;gap:12px;font-size:10px;color:#5e6957;margin:8px auto 0;min-height:44px;width:max-content}.gallery-skip:hover{color:#0a48c7}
.chapter-library{max-width:1100px;margin:auto;padding:70px 35px}.chapter-library>h2{font-size:40px;margin-bottom:35px}
.gallery-ready .chapter-library{display:none}.gallery-ready .gallery-viewport{touch-action:pan-y;display:block;overflow:visible;scroll-snap-type:none;padding:0;height:490px;cursor:grab}
.gallery-ready .course-poster{position:absolute;left:50%;top:30px;margin-left:calc(var(--poster-width)/-2);will-change:transform;backface-visibility:hidden}
.gallery-ready .course-poster:not(.is-current){cursor:pointer}
.gallery-ready .gallery-viewport.is-dragging{cursor:grabbing}.gallery-ready .is-dragging .course-poster{cursor:grabbing;pointer-events:none}
.gallery-ready .gallery-viewport:active~.gallery-drag-cue,.course-explorer.was-used .gallery-drag-cue{opacity:0;transform:rotate(0) scale(.8)}
.gallery-ready .course-explorer.scroll-gallery{height:calc(100svh + 2450px)}
.scroll-gallery .explorer-pin{position:sticky;top:84px;height:calc(100svh - 84px);min-height:590px;display:flex;flex-direction:column;justify-content:center;padding-top:22px;padding-bottom:6px}
.scroll-gallery .gallery-world{flex:1;min-height:360px;max-height:520px;margin-top:5px}
.scroll-gallery .gallery-viewport{height:100%}.scroll-gallery .course-poster{top:50%;margin-top:calc(var(--poster-height)/-2)}
.scroll-gallery .gallery-navigation{margin-top:16px}.scroll-gallery .gallery-skip{margin-top:2px;min-height:34px}
.chapter-dialog{width:min(1080px,calc(100% - 80px));max-width:1080px;max-height:calc(100svh - 70px);padding:0;text-align:left;border-radius:6px;overscroll-behavior:contain;scrollbar-width:thin;background:#f4f3ee;box-shadow:0 35px 150px #0009;animation:sheet-in .4s cubic-bezier(.2,.8,.2,1)}
.chapter-dialog::backdrop{background:#0a110de6;backdrop-filter:blur(12px)}
body.chapter-modal-open{overflow:hidden}
.sheet-toolbar{display:flex;justify-content:space-between;align-items:center;padding:20px 34px;border-bottom:1px solid #d9dcd5;position:sticky;top:0;z-index:4;background:#f4f3eef2;backdrop-filter:blur(15px)}
.sheet-toolbar .eyebrow{font-size:9px;color:#53644e}.sheet-close{display:flex;align-items:center;gap:22px;background:transparent;font-size:11px;min-height:44px;padding:0 3px 0 15px}.sheet-close>span{font-size:28px;font-weight:300}
.sheet-head{padding:30px 42px 25px}.sheet-head>div{display:flex;align-items:center;gap:23px}.sheet-number{font:italic 67px/1 Georgia,serif;letter-spacing:-.07em;color:#0a48c7}.sheet-category{color:#0a48c7}.sheet-head h2{font-size:44px;letter-spacing:-.05em;margin:20px 0 10px}.sheet-head>p{font-size:12px;color:#586851;line-height:1.8}
.sheet-slot{padding:0 42px 15px}.chapter-dialog .chapter{border:0;scroll-margin:0}.chapter-dialog .chapter-summary{display:none}.chapter-dialog .chapter-body{padding:12px 0 25px;grid-template-columns:.8fr 1.7fr;gap:40px;animation:none}
.chapter-dialog .chapter-intro{border-top:1px solid #c5cebd;padding:20px 0}.chapter-dialog .chapter-intro h3{font-size:20px;margin:14px 0}.chapter-dialog .chapter-intro p{font-size:12px;margin:0;text-align:left}
.chapter-dialog .lesson summary{padding:21px 0;grid-template-columns:30px 1fr 27px}.chapter-dialog .lesson-name{font-size:16px}.chapter-dialog .lesson-outcome{font-size:12px}.chapter-dialog .lesson-body{padding:0 10px 25px 40px}.chapter-dialog .lesson-body li{font-size:12px}.chapter-dialog .lesson-kicker{font-size:10px;color:#586851;text-align:left}.chapter-dialog .lesson-link{font-size:12px}
.chapter-dialog .case-content{margin:0}.chapter-dialog .case-infinity{display:block}.chapter-dialog .case-lesson-body p{text-align:left}.chapter-dialog .case-lesson-body ul{font-size:12px}.chapter-dialog .case-next{font-size:11px;text-align:left}
.sheet-footer{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 42px;border-top:1px solid #d9dcd5}.sheet-footer>span{font-size:10px;color:#586851}.sheet-footer>button{background:transparent;font-size:12px;min-height:44px}
@keyframes sheet-in{from{opacity:0;transform:translateY(45px) scale(.96)}to{opacity:1;transform:none}}
@media(max-width:1100px){.course-explorer{--poster-width:610px;--poster-height:394px;scroll-margin-top:-26px}.scroll-gallery .explorer-pin{top:74px;height:calc(100svh - 74px)}.explorer-heading{margin-inline:28px}.explorer-heading h2{font-size:40px}.poster-art{width:320px;height:260px;right:6px;top:60px}.poster-copy strong{font-size:39px}.poster-copy{top:106px}.poster-description{font-size:10px;max-width:180px}.gallery-stop{gap:6px}.gallery-stop>strong{font-size:10px}.gallery-caption,.gallery-navigation{margin-inline:28px}.gallery-stop>span{font-size:8px}.gallery-drag-cue{right:8%}.sheet-head h2{font-size:38px}}
@media(max-width:899px){.course-explorer{--poster-width:min(74vw,540px);--poster-height:410px}.explorer-pin{padding:45px 0 18px}.explorer-heading h2{font-size:36px}.gallery-ready .gallery-viewport{height:470px}.gallery-world{margin-top:10px}.poster-copy strong{font-size:36px}.poster-art{width:330px;right:-40px;top:63px;opacity:.9}.gallery-navigation{overflow-x:auto;grid-template-columns:repeat(8,112px);scrollbar-width:none}.gallery-stop{padding-block:20px;gap:10px}.gallery-stop>strong{font-size:11px}.gallery-drag-cue{width:62px;height:62px;font-size:9px;right:6%}.gallery-caption{margin-top:0}.chapter-dialog .chapter-body{grid-template-columns:1fr}.chapter-dialog .chapter-intro{display:block}.chapter-dialog .lesson-list{margin:0}.chapter-dialog .case-infinity{display:none}}
@media(max-width:760px){.course-explorer{--poster-width:80vw;--poster-height:380px;scroll-margin-top:-18px}.explorer-heading{margin-inline:20px;display:block}.explorer-heading .eyebrow{font-size:8px}.explorer-heading h2{font-size:35px;margin-top:14px}.explorer-instruction{display:flex;align-items:center;gap:8px;font-size:10px;margin-top:18px}.explorer-instruction>span:first-child{font-size:18px}.explorer-instruction small{margin-left:auto;font-size:9px}.gallery-world{margin-top:10px}.gallery-ready .gallery-viewport{height:420px}.gallery-word{font-size:150px;top:33px;letter-spacing:-.1em;left:-20%;right:-20%}.course-poster{padding:20px}.poster-meta{font-size:8px;padding-bottom:9px}.poster-meta>span:last-child{font-size:9px}.poster-number{font-size:140px;left:15px;top:60px}.poster-art{width:172px;height:140px;top:180px;right:0;opacity:1}.poster-copy{top:87px;left:21px}.poster-topic{font-size:10px;margin-bottom:13px}.poster-copy strong{font-size:33px;line-height:1.25}.poster-description{font-size:10px;margin-top:20px;max-width:112px;text-wrap:balance}.poster-bottom{left:21px;right:21px;bottom:20px;padding-top:15px}.poster-bottom>span:first-child{font-size:6px;letter-spacing:.01em}.poster-open{font-size:10px;gap:10px}.poster-open b{font-size:20px}.poster-8 .poster-number{font-size:170px}.gallery-drag-cue{right:3%;top:61%;width:56px;height:56px;font-size:9px}.gallery-orbit{height:105px;bottom:6px}.gallery-caption{margin:0 20px;gap:15px;align-items:flex-start}.gallery-caption>div:first-child{gap:8px}.gallery-current{font-size:39px}.gallery-count{font-size:8px;margin-right:2px;margin-top:16px}.gallery-current-name{font-size:12px}.gallery-caption p{gap:7px}.gallery-caption p>span{font-size:8px;max-width:110px;line-height:1.6}.gallery-actions{gap:5px;flex-wrap:wrap;justify-content:flex-end;max-width:115px}.gallery-actions>button{width:44px;height:44px;font-size:20px}.gallery-open{font-size:10px;padding:11px 13px;gap:17px;margin:3px 0 0;min-height:44px}.gallery-open>span{font-size:17px}.gallery-navigation{margin:15px 20px 0;grid-template-columns:repeat(8,100px)}.gallery-stop{gap:7px}.gallery-skip{margin-top:2px}.chapter-dialog{width:calc(100% - 20px);max-height:calc(100svh - 20px);border-radius:6px}.sheet-toolbar{padding:12px 20px}.sheet-toolbar .eyebrow{font-size:8px}.sheet-close{font-size:10px;gap:15px}.sheet-head{padding:24px 23px 16px}.sheet-head>div{gap:18px}.sheet-number{font-size:56px}.sheet-head h2{font-size:32px;margin-top:15px}.sheet-head>p{font-size:11px}.sheet-slot{padding:0 23px 10px}.chapter-dialog .chapter-body{display:block;padding:0}.chapter-dialog .chapter-intro{padding:20px 0}.chapter-dialog .chapter-intro h3{font-size:18px;margin:10px 0}.chapter-dialog .chapter-intro p{font-size:11px}.chapter-dialog .lesson summary{grid-template-columns:24px 1fr 24px;gap:8px}.chapter-dialog .lesson-name{font-size:14px}.chapter-dialog .lesson-outcome{font-size:11px}.chapter-dialog .lesson-body{padding-left:32px}.chapter-dialog .lesson-body li{font-size:11px}.chapter-dialog .case-content{padding-bottom:25px}.chapter-dialog .case-lesson{padding:20px}.chapter-dialog .case-lesson-body ul{font-size:11px}.sheet-footer{padding:12px 23px;gap:8px}.sheet-footer>button{font-size:11px}.sheet-footer>span{font-size:8px}.chapter-library{padding:45px 20px}.chapter-library>h2{font-size:28px}}
@media(prefers-reduced-motion:reduce){.course-poster,.poster-art,.gallery-word,.gallery-stop:before,.chapter-dialog{animation:none!important;transition:none!important}.gallery-drag-cue{display:none}}
.motion-paused .course-poster,.motion-paused .poster-art,.motion-paused .gallery-word,.motion-paused .chapter-dialog{animation:none!important;transition:none!important}

/* 第五版：暖白、浅灰贯穿整页，蓝色回到标题与动作入口。 */
.course-explorer{border-bottom:1px solid #c7cdbf}
.course-access{background:#f4f3ee;color:#202720;padding-top:62px;padding-bottom:50px}
.access-top,.access-bottom{border-color:#c7cdbf}
.access-top .eyebrow,.access-note,.access-link>small,.access-contact>span{color:#53604b}
.access-main h2>span{color:#0a48c7}
.access-arrow{border-color:#0a48c7;color:#0a48c7}
.access-arrow:hover{background:#0a48c7;color:#fff}
.access-link{color:#0a48c7}
.access-contact>button,.access-contact>a{border-color:#9ca993;color:#26331f}
.access-contact>button:hover{background:#e3e7dc}
@media(max-width:760px){.course-access{padding-top:36px;padding-bottom:32px}.access-contact{border-color:#c7cdbf}}
/* 早鸟课程票券：借鉴视觉语言实验室的编辑式排版、动态下划线与票券结构。 */
.enrollment{padding:56px max(3.6vw,24px) 34px;background:var(--paper);color:var(--ink);scroll-margin-top:84px}
.enrollment-top,.enrollment-main,.enrollment-bottom{max-width:1320px;margin-inline:auto}
.enrollment-top{display:flex;justify-content:space-between;gap:24px;border-top:1px solid #bfc6bd;padding-top:24px}
.enrollment-top .eyebrow{color:#52624e;font-size:10px}
.enrollment-note{font-size:12px;color:#52624e}
.enrollment-main{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(340px,1fr);gap:6%;align-items:center;padding:64px 0 56px}
.enrollment-kicker{display:inline-flex;align-items:center;gap:10px;font-size:12px;color:#475343;margin-bottom:28px}
.enrollment-kicker i,.case-update-label i{width:7px;height:7px;background:var(--orange);border-radius:50%;box-shadow:0 0 0 4px #ff7a0015;flex-shrink:0}
.enrollment-copy h2{font-size:clamp(38px,4.4vw,64px);font-weight:650;letter-spacing:-.055em;line-height:1.42}
.ink-marker{position:relative;display:inline-block;color:#0a48c7;isolation:isolate;white-space:nowrap}
.ink-marker:after{content:"";position:absolute;z-index:-1;left:-.025em;right:-.04em;bottom:.13em;height:.2em;background:#ff922e;opacity:.7;transform:rotate(-1.4deg);clip-path:polygon(1% 15%,99% 0,100% 83%,0 100%);transform-origin:left}
.enrollment-lead{font-size:15px;line-height:2;color:#4a5546;margin-top:30px}
.enrollment-outcomes{display:flex;flex-wrap:wrap;gap:12px;margin-top:29px}
.enrollment-outcomes>span{font-size:11px;padding:9px 13px;display:flex;gap:16px;align-items:center;border:1px solid #c9cfc4;border-radius:3px;background:#ffffff35}
.enrollment-outcomes b{color:#0a48c7;font-size:15px;font-weight:400}
.enrollment-method{font-size:11px;line-height:1.8;color:#616d5b;margin-top:22px;max-width:400px}
.enrollment-ticket{position:relative;border:1px solid #a2b8d6;border-radius:5px;background:#fcfcf8;box-shadow:10px 10px 0 #e0e8f2;overflow:hidden}
.ticket-heading{display:flex;justify-content:space-between;align-items:center;padding:23px 28px;border-bottom:1px solid #d7dfeb;color:#233d60;font-size:11px;line-height:1.7}
.ticket-heading strong{font-size:17px;font-weight:600;letter-spacing:.02em}
.ticket-arrow{display:grid;place-items:center;border-radius:50%;width:42px;height:42px;background:#e9f0fa;color:#0a48c7;font:32px/1 "Helvetica Neue",sans-serif;transition:transform .45s var(--ease)}
.enrollment-ticket:hover .ticket-arrow{transform:rotate(45deg)}
.ticket-price{padding:26px 28px 24px;position:relative}
.ticket-early{font-size:14px;color:#0a48c7;display:flex;align-items:center;gap:13px;font-weight:600}
.ticket-early>span{font:10px/1 "Helvetica Neue",sans-serif;letter-spacing:.12em;font-weight:500}
.ticket-amount{display:flex;align-items:baseline;gap:7px;margin:13px 0 16px;color:#0a48c7;line-height:.88}
.ticket-amount .currency{font:400 40px/1 "Helvetica Neue",Arial,sans-serif}
.ticket-amount strong{font:600 clamp(108px,9.5vw,142px)/.95 "Helvetica Neue",Arial,sans-serif;letter-spacing:-.075em;margin-left:-2px;padding-right:8px}
.ticket-amount .price-unit{font-size:14px;color:#4e6280}
.ticket-standard{display:flex;justify-content:space-between;align-items:center;gap:18px;color:#657083;font-size:12px}
.ticket-standard s{text-decoration-thickness:1px;margin-left:4px;font:15px/1 "Helvetica Neue",Arial,sans-serif}
.ticket-saving{color:#6f3500;background:#ffe1c5;font-size:11px;font-weight:600;border-radius:2px;padding:6px 10px;transform:rotate(-3deg)}
.ticket-details{position:relative;border-top:1px dashed #a7b6ca;padding:23px 28px 5px;display:grid;gap:12px}
.ticket-details:before,.ticket-details:after{content:"";position:absolute;top:-9px;width:16px;height:16px;border:1px solid #a2b8d6;border-radius:50%;background:var(--paper)}
.ticket-details:before{left:-9px}.ticket-details:after{right:-9px}
.ticket-details p{font-size:12px;line-height:1.6;color:#3d4c5f;display:flex;align-items:baseline;gap:14px}
.ticket-details p>span{font:10px/1 "Helvetica Neue",sans-serif;color:#77859a}
.ticket-action{padding:24px 28px 20px}
.ticket-action button,.ticket-action noscript a{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;border-radius:3px;background:#0a48c7;color:white;min-height:56px;padding:14px 20px;font-size:15px;font-weight:500;transition:background .25s,box-shadow .25s}
.ticket-action button:hover{background:#063caf;box-shadow:0 5px 18px #0a48c726}
.ticket-action button>span{font-size:26px;line-height:1;transition:transform .35s var(--ease)}
.ticket-action button:hover>span{transform:translate(3px,-3px)}
.ticket-action p{font-size:10px;color:#657083;text-align:center;margin-top:12px;line-height:1.7}
.ticket-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:0 28px;padding:14px 0;border-top:1px solid #e0e5ed;color:#66758a;font:8px/1.4 "Helvetica Neue",sans-serif;letter-spacing:.1em}
.ticket-bars{width:62px;height:17px;background:repeating-linear-gradient(90deg,#8c9bb0 0 1px,transparent 1px 3px,#8c9bb0 3px 5px,transparent 5px 8px,#8c9bb0 8px 9px,transparent 9px 12px)}
.enrollment-bottom{display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid #c7cdbf;padding-top:23px;color:#5a6752;font-size:11px;line-height:1.8}
.enrollment-bottom>a{display:flex;align-items:center;gap:25px;min-height:44px;color:#0a48c7}
.enrollment-bottom>a>span{font-size:23px}
.case-update-label{display:inline-flex;align-items:center;gap:10px;color:#7d3c00;font:500 10px/1.8 "Helvetica Neue","PingFang SC",sans-serif;letter-spacing:.05em}
.chapter-dialog .case-chapter .chapter-intro h3{font-size:24px;line-height:1.65;font-weight:600;letter-spacing:-.035em;margin:19px 0}
.case-loop{position:relative;margin-top:24px;width:190px;height:140px;color:var(--blue)}
.case-loop>span{font:145px/.8 Georgia,serif;letter-spacing:-.05em;display:block}
.case-loop>i{position:absolute;right:11px;top:4px;width:32px;height:32px;background:var(--orange);border-radius:50%;display:grid;place-items:center;color:#17253c;font:26px/1 "Helvetica Neue",sans-serif;transform:rotate(-12deg)}
.case-loop>small{display:block;font:8px/1 "Helvetica Neue",sans-serif;letter-spacing:.16em;color:#617086;margin-top:14px}
.chapter-dialog .chapter-intro .case-update-note{font-size:11px;color:#687461;margin-top:16px;max-width:260px}
.case-next{border-top:1px dashed #bcc8d6;margin-top:28px;padding:22px 0;align-items:flex-start}
.case-next>span{width:29px;height:29px;display:grid;place-items:center;background:#ffdfc1;color:#984800;border-radius:50%;flex-shrink:0;line-height:1}
.case-next>p{color:#536550;font-size:11px;text-align:left;line-height:1.9}
.case-next strong{font-size:13px;color:#283d28;font-weight:500}
.consult-price{display:flex;align-items:baseline;justify-content:center;gap:8px;margin:20px 0!important;color:#0a48c7!important}
.consult-price strong{font:600 32px/1 "Helvetica Neue",sans-serif}
.consult-price>span{font-size:11px;color:#657083;margin-left:8px}
.enrollment.is-visible .ink-marker:after{animation:enrollment-mark .9s var(--ease) both}
.enrollment.is-visible .ticket-amount{animation:enrollment-price .8s var(--ease) both}
@keyframes enrollment-mark{from{transform:rotate(-1.4deg) scaleX(0)}to{transform:rotate(-1.4deg) scaleX(1)}}
@keyframes enrollment-price{from{transform:translateY(12px)}to{transform:translateY(0)}}
@media(max-width:1100px){.enrollment-main{gap:4%;grid-template-columns:minmax(0,1.3fr) minmax(320px,1fr)}.enrollment-copy h2{font-size:clamp(33px,4.25vw,47px)}.enrollment-lead{font-size:13px}.ticket-heading,.ticket-price{padding-inline:24px}.ticket-details{padding-inline:24px}.ticket-action{padding-inline:24px}.ticket-foot{margin-inline:24px}}
@media(max-width:900px){.enrollment-main{grid-template-columns:1fr;gap:36px;padding-top:40px}.enrollment-copy h2{font-size:clamp(34px,6.2vw,53px)}.enrollment-ticket{max-width:520px;width:100%;justify-self:center}.ticket-amount strong{font-size:126px}.chapter-dialog .case-chapter .chapter-intro h3{font-size:23px}.case-loop{display:none}.chapter-dialog .chapter-intro .case-update-note{max-width:none;margin-top:12px}}
@media(max-width:600px){.enrollment{padding:32px 23px 24px}.enrollment-top{gap:16px;padding-top:18px}.enrollment-top .eyebrow{font-size:8px;letter-spacing:.08em}.enrollment-note{font-size:9px}.enrollment-main{padding:32px 0 36px;gap:30px}.enrollment-kicker{font-size:11px;margin-bottom:20px}.enrollment-copy h2{font-size:clamp(30px,8.7vw,46px);line-height:1.5}.enrollment-lead{font-size:12px;line-height:2;margin-top:22px}.enrollment-outcomes{gap:8px;margin-top:21px}.enrollment-outcomes>span{font-size:10px;padding:7px 10px;gap:10px}.enrollment-method{font-size:10px;margin-top:15px}.enrollment-ticket{box-shadow:6px 6px 0 #e0e8f2}.ticket-heading{padding:20px 22px}.ticket-price{padding:22px}.ticket-amount strong{font-size:116px}.ticket-details{padding:21px 22px 0}.ticket-action{padding:22px}.ticket-foot{margin-inline:22px}.enrollment-bottom{align-items:flex-start;flex-direction:column;gap:8px;padding-top:17px;font-size:10px}.enrollment-bottom>a{gap:20px}.chapter-dialog .case-chapter .chapter-intro h3{font-size:21px}.case-update-label{font-size:9px}.case-next{margin-top:22px}.case-next>p{font-size:10px}.case-next strong{font-size:12px}}
@media(prefers-reduced-motion:reduce){.enrollment *,.enrollment *:after{animation:none!important;transition:none!important}}
/* 成果卡与价格可重复操作，普通文字与报名入口始终可用。 */
.enrollment-main{align-items:center}
.enrollment-outcomes{margin-top:24px}
.enrollment-outcomes>button{position:relative;min-height:44px;padding:10px 15px;display:flex;gap:16px;align-items:center;background:transparent;border:1px solid #bac7d5;border-radius:3px;font-size:12px;transition:background .25s,color .25s,transform .3s}
.enrollment-outcomes>button[aria-pressed="true"]{background:#0a48c7;border-color:#0a48c7;color:#fff}
.enrollment-outcomes>button[aria-pressed="true"] b{color:#fff;transform:rotate(45deg)}
.enrollment-outcomes>button:hover{transform:translateY(-3px)}
.enrollment-outcomes b{transition:transform .4s}
.outcome-stage{--outcome-accent:#0a48c7;display:grid;grid-template-columns:138px 1fr;align-items:center;gap:25px;padding:28px 4px 14px;min-height:200px;max-width:580px}
.outcome-stage[data-scene="1"]{--outcome-accent:#ae4d00}.outcome-stage[data-scene="2"]{--outcome-accent:#243a31}
.outcome-papers{height:142px;position:relative;perspective:600px;isolation:isolate}
.outcome-papers>i,.outcome-paper{position:absolute;inset:8px 12px 8px 5px;border:1px solid #9fb4d2;border-radius:3px;background:#e3edfa;transform:rotate(-9deg);box-shadow:1px 4px 9px #19375a10}
.outcome-papers>i:nth-child(2){background:#ffe0c3;border-color:#e7b181;transform:rotate(8deg) translate(6px,0)}
.outcome-paper{transform:rotate(-3deg);background:#fcfcf8;color:var(--outcome-accent);padding:15px 12px;display:flex;flex-direction:column;justify-content:space-between}
.paper-label{font-size:9px;letter-spacing:.05em;color:#5a6b7d}
.outcome-paper strong{font-size:34px;font-weight:650;letter-spacing:-.055em;line-height:1.4}
.outcome-paper .paper-rule{height:3px;width:45px;background:var(--orange)}
.paper-corner{position:absolute;bottom:12px;right:12px;font-size:19px}
.outcome-number{font:9px/1.5 "Helvetica Neue",sans-serif;letter-spacing:.12em;color:var(--outcome-accent)}
.outcome-caption h3{font-size:21px;line-height:1.5;letter-spacing:-.03em;margin:8px 0}
.outcome-caption p{font-size:11px;line-height:1.8;color:#5b6754;max-width:270px;min-height:40px}
.outcome-caption a{display:inline-flex;gap:22px;align-items:center;font-size:11px;min-height:44px;color:#0a48c7}
.outcome-caption a>span{font-size:17px}
.motion-in-view .outcome-papers>i:first-child{animation:paper-drift 4s ease-in-out infinite alternate}
.motion-in-view .outcome-papers>i:nth-child(2){animation:paper-drift-back 4s ease-in-out infinite alternate}
@keyframes paper-drift{to{transform:rotate(-17deg) translate(-9px,-4px)}}
@keyframes paper-drift-back{to{transform:rotate(15deg) translate(13px,4px)}}
.ticket-scene{width:100%;min-width:0;padding:8px 6px;perspective:1000px}
.enrollment-ticket{transform-style:preserve-3d;transition:transform .6s var(--ease),box-shadow .6s var(--ease);will-change:transform}
.ticket-scene:hover .enrollment-ticket{box-shadow:14px 18px 0 #e0e8f2,0 30px 50px -30px #1c477e50}
.ticket-amount{background:transparent;border:0;padding:0;text-align:left;width:100%;position:relative;isolation:isolate;cursor:crosshair;touch-action:pan-y;min-height:134px;overflow:visible}
.ticket-amount:disabled{opacity:1;cursor:default}
.ticket-amount>*:not(canvas){pointer-events:none}
.ticket-amount strong{letter-spacing:-.06em}
.price-particles{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;display:none}
.motion-in-view .particles-ready .price-particles{display:block}
.price-play-hint{display:flex;gap:8px;align-items:center;font-size:10px;line-height:1.6;color:#6a7279;margin:-4px 0 15px}
.price-play-hint>span:first-child{font-size:17px;color:#a95100}.price-play-hint>span:last-child{margin-left:auto;font-size:15px;color:#0a48c7}
.motion-paused .price-play-hint{visibility:hidden}.motion-paused .price-particles{display:none}
@media(min-width:901px){.enrollment-copy h2{font-size:clamp(36px,4.15vw,60px)}.enrollment-lead{margin-top:22px}.enrollment-kicker{margin-bottom:23px}}
@media(max-width:900px){.ticket-scene{max-width:532px;justify-self:center}.enrollment-ticket{max-width:none}.outcome-stage{max-width:580px}.enrollment-method{max-width:none}}
@media(max-width:600px){.enrollment-outcomes{gap:7px}.enrollment-outcomes>button{padding:9px 11px;font-size:11px;gap:10px}.outcome-stage{grid-template-columns:104px 1fr;gap:17px;min-height:184px;padding-top:24px}.outcome-papers{height:128px}.outcome-paper{padding:14px 10px}.outcome-paper strong{font-size:28px}.outcome-caption h3{font-size:17px;margin:6px 0}.outcome-caption p{font-size:10px;min-height:36px}.outcome-caption a{font-size:10px;gap:10px}.enrollment-method{margin-top:8px}.ticket-scene{padding:0 2px}.ticket-amount{min-height:115px}.ticket-amount strong{font-size:112px}.ticket-price{padding-bottom:20px}.price-play-hint{font-size:9px}}
@media(prefers-reduced-motion:reduce){.price-play-hint{display:none}.price-particles{display:none!important}.enrollment-ticket{transform:none!important}}
/* 两处标题与价格共用粒子交互，语义标题及原文字保持完整。 */
.particle-title{position:relative;display:inline-block;max-width:100%;padding:0;border:0;background:transparent;color:inherit;font:inherit;letter-spacing:inherit;line-height:inherit;text-align:inherit;cursor:crosshair;touch-action:pan-y}
.particle-title:disabled{opacity:1;cursor:default}
.hero h1 .hero-emphasis{color:var(--blue)}
.particles-ready>.text-particles{position:absolute;inset:-20px;width:calc(100% + 40px);height:calc(100% + 40px);display:block;pointer-events:none}
.motion-paused .text-particles{display:none!important}
@media(prefers-reduced-motion:reduce){.text-particles{display:none!important}}

/* 轻量双层指针，只增强桌面鼠标；圆环跟随，中心点精确定位。 */
.wb-cursor{display:none;position:fixed;inset:0;pointer-events:none;z-index:200;overflow:hidden;color:#1677ff}
.wb-cursor-halo,.wb-cursor-dot{position:absolute;left:0;top:0;pointer-events:none;will-change:transform}
.wb-cursor-ring{display:grid;place-items:center;width:34px;height:34px;border:1px solid currentColor;border-radius:50%;margin:-17px 0 0 -17px;box-shadow:0 0 0 1px #fff5;transition:width .2s,height .2s,margin .2s,background-color .2s,color .2s}
.wb-cursor-dot:after{content:"";display:block;width:5px;height:5px;border-radius:50%;background:currentColor;box-shadow:0 0 0 1px #fff9;transform:translate(-50%,-50%)}
.wb-cursor-label{font:500 11px/1 "PingFang SC","Microsoft YaHei",sans-serif;letter-spacing:.08em;white-space:nowrap}
.wb-cursor[data-mode="link"] .wb-cursor-ring{width:46px;height:46px;margin:-23px 0 0 -23px;color:#ff7a00;background:#ff7a0009}
.wb-cursor[data-mode="label"] .wb-cursor-ring{width:64px;height:64px;margin:-32px 0 0 -32px;color:#172017;background:#f4f3eeeb;border-color:#ff7a00;box-shadow:0 6px 18px #17201712,0 0 0 3px #ff7a0010;backdrop-filter:blur(4px)}
.wb-cursor[data-mode="label"] .wb-cursor-dot{opacity:0}
@media(min-width:761px) and (hover:hover) and (pointer:fine) and (prefers-reduced-motion:no-preference){
  html.wb-cursor-active,html.wb-cursor-active *{cursor:none!important}
  .wb-cursor-active .wb-cursor{display:block}
}

/* 手机阅读节奏：20px 页边距，标题 44px，正文 13px，封面用紧凑预览。 */
@media(max-width:760px){
  .site-header{height:64px;padding-inline:16px;gap:10px}
  .wordmark{font-size:20px;gap:2px}
  .workbuddy-logo{width:26px;height:26px;margin-left:2px}
  .header-actions{gap:8px}
  .small-cta{font-size:11px;padding:12px 14px;gap:10px}
  .hero{padding-top:28px}
  .hero-label{justify-content:flex-start;flex-wrap:wrap;gap:7px;margin-inline:20px;font-size:8px;line-height:1.6}
  .hero-edition{font-size:8px;padding-left:9px;margin-left:2px}
  .hero h1{font-size:44px;line-height:1.12;text-align:left;margin:20px 20px 0;letter-spacing:-.05em}
  .hero h1 .hero-emphasis{margin-top:5px}
  .hero-description{font-size:13px;line-height:1.85;text-align:left;margin:18px 20px 0}
  .course-author{margin:14px 20px 0;font-size:11px;line-height:1.9;text-align:left}
  .course-author-name,.course-author-book{display:block}
  .course-author-separator{display:none}
  .hero-links{justify-content:flex-start;gap:22px;margin:20px 20px 0}
  .pill-link{min-height:46px;padding:12px 17px 12px 20px;gap:25px}
  .quiet-link{min-height:46px;padding:12px 0;gap:12px}
  .fan-stage{height:218px;gap:14px;margin-top:21px;padding:8px 20px 22px;scroll-padding-left:20px}
  html .chapter-cover,html .chapter-cover:hover,html .chapter-cover:focus-visible,html.enhanced:not(.loaded) .chapter-cover{width:146px;height:188px;padding:13px 12px 12px;scroll-snap-align:start;box-shadow:0 14px 18px -15px #17201755,2px 0 0 #0002 inset,-3px 0 0 #fff3 inset}
  .cover-top{font-size:6px;gap:4px}
  .chapter-cover .cover-bottom>strong,.chapter-cover:not(:first-child) .cover-bottom>strong{font-size:18px}
  .cover-bottom{gap:7px}
  .cover-bottom>span{font-size:7px;padding-top:8px}
  .cover-bottom b{font-size:15px}
  .cover-art{top:21px;bottom:55px;transform:scale(.72);transform-origin:center}
  .sculpture{transform:scale(1.4) rotate(-10deg)}
  .write-glyph{font-size:27px;padding-left:12px}
  .case-glyph{font-size:110px}
  .case-art-note{display:none}
  .art-caption{display:none}
  .hero-bottom{min-height:48px;margin:0 20px;font-size:10px;gap:10px}
  .scroll-cue{width:44px;height:44px}
  .moving-strip{padding-block:15px}
  .moving-strip>div{font-size:13px;letter-spacing:.02em}
  .explorer-pin{padding:30px 0 20px}
  .explorer-heading h2{font-size:31px;line-height:1.25;margin-top:10px}
  .explorer-heading .eyebrow{font-size:9px;letter-spacing:.12em}
  .explorer-instruction{margin-top:12px;font-size:11px}
  .explorer-instruction small{display:none}
  .course-explorer{--poster-width:calc(100vw - 48px);--poster-height:352px}
  .gallery-world{margin-top:5px}
  .gallery-ready .gallery-viewport{height:392px}
  .gallery-ready .course-poster{top:18px}
  .poster-copy{top:78px}
  .poster-copy strong{font-size:31px}
  .poster-description{font-size:11px;max-width:130px;margin-top:15px}
  .poster-art{top:164px;right:0;width:168px;height:136px}
  .gallery-caption{display:grid;grid-template-columns:minmax(0,1fr) 44px 44px;gap:12px 8px;align-items:center}
  .gallery-caption p>span{display:none}
  .gallery-current{font-size:34px}
  .gallery-actions{display:contents}
  .gallery-prev{grid-column:2;grid-row:1}
  .gallery-next{grid-column:3;grid-row:1}
  .gallery-open{grid-column:1/-1;grid-row:2;width:100%;max-width:none;margin:0;min-height:46px;padding-inline:18px}
  .gallery-navigation{grid-template-columns:repeat(4,minmax(0,1fr));overflow:visible;margin-top:16px}
  .gallery-stop{min-height:44px;justify-content:center;padding:12px 3px;gap:3px}
  .gallery-stop>strong{font-size:10px}
  .gallery-stop>span{font-size:8px}
  .chapter-dialog .lesson-name{font-size:15px}
  .chapter-dialog .lesson-outcome,.chapter-dialog .chapter-intro p{font-size:12px}
  .chapter-dialog .lesson-body li,.chapter-dialog .case-lesson-body p,.chapter-dialog .case-lesson-body ul{font-size:13px;line-height:1.85}
}
@media(max-width:350px){
  .site-header{padding-inline:12px;gap:6px}
  .header-actions{gap:6px}
  .small-cta{font-size:10px;padding-inline:11px;gap:7px}
  .workbuddy-logo{width:24px;height:24px}
  .hero-label{font-size:7px;gap:5px}
  .hero-edition{font-size:7px;padding-left:7px}
  .hero h1{font-size:40px}
  .hero-links{gap:17px}
  .pill-link{gap:18px;padding-inline:16px}
  .explorer-heading h2{font-size:28px}
  .poster-copy strong{font-size:28px}
  .poster-description{max-width:112px}
  .poster-art{width:138px;right:-5px}
  .enrollment-copy h2{font-size:28px}
  .enrollment-outcomes>button{padding-inline:8px;gap:6px}
  .outcome-stage{grid-template-columns:88px minmax(0,1fr);gap:12px;min-height:170px}
  .outcome-caption p{font-size:11px}
}