.wf-class-dialog{box-sizing:border-box;width:min(620px,calc(100vw - 24px));max-height:calc(100dvh - 28px);padding:20px;border:1px solid #3e4139;border-radius:20px;background:#181b19;color:#f2f1eb;font-family:inherit;box-shadow:0 24px 90px #0008;overflow:auto;color-scheme:dark}.wf-class-dialog::backdrop{background:#070b09b8;backdrop-filter:blur(5px)}.wf-class-dialog *{box-sizing:border-box}.wf-class-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}.wf-class-heading h2{font-size:20px;line-height:1.4;margin:5px 0 0;color:#f2f1eb}.wf-class-eyebrow{font-size:11px;letter-spacing:1px;color:#c6cda9}.wf-class-heading>button{width:36px;height:36px;flex:none;border:0;border-radius:50%;background:#2d322d;color:#f2f1eb;font-size:26px;cursor:pointer}.wf-class-context{font-size:12px;color:#b8bdb4;margin:12px 0}.wf-class-context strong{color:#edf0df}.wf-class-free{display:flex;gap:12px;align-items:flex-start;padding:10px 12px;border-radius:10px;background:#252a25;font-size:12px}.wf-class-free>span{white-space:nowrap;color:#d4dabf}.wf-class-free p{margin:0;color:#b9c0b6;line-height:1.6}.wf-class-options{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0 9px}.wf-class-option{display:flex;flex-direction:column;align-items:stretch;text-align:left;min-width:0;min-height:210px;padding:14px 12px;border:1px solid #3a423a;border-radius:13px;background:#242a25;color:#e8ece2;font:inherit;cursor:pointer;box-shadow:none}.wf-class-option[aria-pressed=true]{border-color:#cfdbac;background:#303c2b;box-shadow:inset 0 0 0 1px #cfdbac}.wf-class-option-head{display:flex;justify-content:space-between;align-items:center;gap:4px}.wf-class-option-head strong{font-size:18px}.wf-class-option-head small{font-size:10px;color:#d3dcbe;border:1px solid #617052;border-radius:4px;padding:2px 4px}.wf-class-promise{font-size:11px;color:#c2cdb3;margin:8px 0 13px}.wf-class-line{display:block;font-size:12px;line-height:1.8}.wf-class-foot{font-size:10px;color:#aebaa5;line-height:1.5;margin-top:10px}.wf-class-scope{font-size:11px;color:#a7b1a2;margin:8px 0 14px;line-height:1.6}.wf-class-contact{display:grid;grid-template-columns:148px 1fr;gap:16px;align-items:center;border-top:1px solid #343b32;padding-top:14px}.wf-class-qr{position:relative;width:148px;aspect-ratio:1;background:white;overflow:hidden;border:6px solid white;border-radius:10px}.wf-class-qr img{position:absolute;width:136.667%!important;max-width:none!important;height:auto!important;left:-18.333%;top:-58.667%;filter:none!important;opacity:1!important}.wf-class-contact h3{font-size:16px;color:#f1f3e8;margin:5px 0 7px}.wf-class-contact p{font-size:12px;line-height:1.6;color:#bbc5b3;margin:0 0 8px}.wf-class-contact a{display:inline-block;color:#e0ebc7;font-size:12px;text-underline-offset:4px;min-height:30px}.wf-class-contact small{display:block;font-size:10px;line-height:1.5;color:#97a58f}.wf-class-footer{display:flex;gap:8px;margin-top:15px}.wf-class-footer button{min-height:42px;padding:8px 12px;border:1px solid #59664d;border-radius:9px;background:#d7e2bd;color:#242c20;font:inherit;font-size:12px;cursor:pointer;flex:1}.wf-class-footer button+button{background:#293027;color:#d4ddc8}.wf-class-status{font-size:11px;line-height:1.6;color:#9fac96;margin:10px 0 0;min-height:18px}.wf-class-profile-entry{display:block;padding:10px 0;color:inherit;background:transparent;border:0;text-align:left;font-size:13px;cursor:pointer}.wf-preview-notice{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border:1px solid #536047;border-radius:9px;background:#253021;color:#dce7cc;font-size:12px;margin:8px 0}.wf-preview-notice span{display:flex;align-items:center;gap:5px;line-height:1.5}.wf-preview-notice button{flex:none;min-height:36px;padding:6px 10px;border:0;border-radius:7px;background:#d4e0bb;color:#24301e;font:inherit;cursor:pointer}.wf-story-preview{position:absolute;bottom:74px;left:10px;right:10px;z-index:22}.wf-story-preview .wf-preview-notice{background:#202a1feb;backdrop-filter:blur(8px)}.wf-tab-preview::after{content:' · 试看';font-size:9px;color:#8f9d80}.wf-preview-module{padding:12px;line-height:1.7}.wf-admin-class{display:flex;align-items:center;gap:8px;padding:10px;font-size:12px}.wf-admin-class select,.wf-admin-class button{min-height:36px}.wf-admin-class span{color:#617442}@media(max-width:420px){.wf-class-dialog{padding:15px;border-radius:16px}.wf-class-heading h2{font-size:18px}.wf-class-option{padding:12px 9px;min-height:211px}.wf-class-option-head{align-items:flex-start;flex-wrap:wrap}.wf-class-option-head strong{font-size:17px}.wf-class-contact{grid-template-columns:130px 1fr;gap:12px}.wf-class-qr{width:130px}.wf-class-contact h3{font-size:14px}.wf-class-contact p{font-size:11px}.wf-class-options{gap:8px}.wf-class-line{font-size:11px}}
.wf-quiz-preview-dialog{width:min(560px,calc(100vw - 28px));max-height:80dvh;overflow:auto;background:#1b211b;color:#eef2e8;border:1px solid #667455;border-radius:14px;padding:18px}.wf-quiz-preview-dialog::backdrop{background:#0009}.wf-quiz-preview-dialog summary{cursor:pointer;line-height:1.7}.wf-quiz-preview-dialog details{margin:12px 0;padding:10px;background:#2b3327;border-radius:8px}.wf-quiz-preview-dialog p{white-space:pre-wrap}

/* Cream learning cards. ID scoping isolates this surface from course themes. */
#wfLearningClassDialog,#wfLearningClassDialog *{box-sizing:border-box;font-family:ui-rounded,"Yuanti SC","Hiragino Maru Gothic ProN","PingFang SC","Microsoft YaHei",sans-serif!important;color:#554333!important;text-shadow:none!important;letter-spacing:normal!important}
#wfLearningClassDialog{width:min(580px,calc(100vw - 24px));max-height:calc(100dvh - 24px);padding:20px;border:2px solid #65503d!important;border-radius:26px;background:#fffaf0!important;color-scheme:light!important;box-shadow:0 7px 0 #5b443c30,0 24px 70px #241b2345;overflow:auto}
#wfLearningClassDialog::backdrop{background:#29253085;backdrop-filter:blur(6px)}
#wfLearningClassDialog .wf-class-heading{align-items:flex-start;gap:8px}
#wfLearningClassDialog .wf-class-eyebrow{font-size:11px!important;font-weight:650!important;color:#80634b!important;line-height:1.5}
#wfLearningClassDialog .wf-class-spark{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;margin-right:3px;background:#ffe49a;border-radius:9px;color:#a16b22!important;font-size:20px!important;vertical-align:middle;transform:rotate(-8deg)}
#wfLearningClassDialog h2{font-size:22px!important;line-height:1.45!important;font-weight:800!important;margin:8px 0 0!important}
#wfLearningClassDialog .wf-class-heading>button{height:32px;width:32px;min-height:32px;padding:0;border:1px solid #dbcfbd!important;border-radius:50%;font-size:24px!important;line-height:28px!important;background:#f5eddf!important;color:#796754!important;outline-offset:3px;box-shadow:none!important}
#wfLearningClassDialog .wf-class-context{font-size:11px!important;color:#867563!important;line-height:1.5;margin:8px 0 12px}
#wfLearningClassDialog .wf-class-context strong{font-weight:700!important;color:#61503c!important}
#wfLearningClassDialog .wf-class-free{padding:10px 11px;gap:10px;background:#eaf0dd;border:0;border-radius:13px;align-items:center}
#wfLearningClassDialog .wf-class-free>span{font-size:11px!important;font-weight:750!important;white-space:nowrap;color:#5c6a3e!important}
#wfLearningClassDialog .wf-class-free p{font-size:11px!important;line-height:1.6!important;color:#62704c!important}
#wfLearningClassDialog .wf-class-options{gap:10px;margin:14px 0 9px}
#wfLearningClassDialog .wf-class-option{position:relative;padding:13px 12px 10px;min-height:0;border:1.5px solid #e7c6b0!important;border-radius:18px;background:#fff0e6!important;box-shadow:0 3px 0 #edd8c9!important;transition:background .16s,box-shadow .16s,border-color .16s;overflow:hidden}
#wfLearningClassDialog .wf-class-option[data-class-select=dacheng]{background:#fff4cd!important;border-color:#e9d49a!important;box-shadow:0 3px 0 #eddfb9!important}
#wfLearningClassDialog .wf-class-option[aria-pressed=true]{border:1.5px solid #80542f!important;background:#ffe8d9!important;box-shadow:inset 0 0 0 1px #80542f,0 4px 0 #d0ab8c!important}
#wfLearningClassDialog .wf-class-option[data-class-select=dacheng][aria-pressed=true]{background:#ffe99e!important;border-color:#87662a!important;box-shadow:inset 0 0 0 1px #87662a,0 4px 0 #d5b668!important}
#wfLearningClassDialog .wf-class-card-icon{position:absolute;right:11px;top:9px;font-size:31px!important;line-height:1;color:#d58d6d!important;transform:rotate(12deg)}
#wfLearningClassDialog [data-class-select=dacheng] .wf-class-card-icon{color:#b88b2d!important}
#wfLearningClassDialog .wf-class-option-head{display:flex;flex-direction:column;align-items:flex-start;gap:6px;padding-right:24px}
#wfLearningClassDialog .wf-class-option-head strong{font-size:23px!important;line-height:1.2!important;font-weight:800!important}
#wfLearningClassDialog .wf-class-option-head small{display:inline-block;font-size:10px!important;font-weight:600!important;padding:2px 7px;border:0!important;border-radius:6px;background:#ffffff80;color:#80604b!important;line-height:1.5!important}
#wfLearningClassDialog .wf-class-promise{font-size:10px!important;color:#89684b!important;margin:9px 0 8px;line-height:1.5}
#wfLearningClassDialog .wf-class-line{font-size:11px!important;line-height:1.9!important;font-weight:600!important;white-space:nowrap}
#wfLearningClassDialog .wf-class-foot{font-size:10px!important;line-height:1.6!important;color:#856e55!important;margin-top:8px;flex:1}
#wfLearningClassDialog .wf-class-choice{display:block;text-align:center;margin-top:11px;padding:7px 3px;border-radius:9px;background:#fff9ef9c;font-size:11px!important;font-weight:750!important;line-height:1.5}
#wfLearningClassDialog [aria-pressed=true] .wf-class-choice{background:#6d5036!important;color:#fff9e9!important}
#wfLearningClassDialog .wf-class-scope{font-size:10px!important;color:#8a7966!important;line-height:1.6;margin:10px 2px 12px}
#wfLearningClassDialog .wf-class-contact{grid-template-columns:124px 1fr;gap:13px;background:#fffdf8;border:1px dashed #d7c6ab;border-radius:16px;padding:11px}
#wfLearningClassDialog .wf-class-qr{width:124px;border:6px solid white;border-radius:9px;background:white;box-shadow:0 0 0 1px #eee5d5}
#wfLearningClassDialog .wf-class-qr img{visibility:visible!important;display:block!important;opacity:1!important;filter:none!important}
#wfLearningClassDialog .wf-class-contact .wf-class-eyebrow{font-size:10px!important;color:#9a7044!important}
#wfLearningClassDialog h3{font-size:15px!important;font-weight:800!important;line-height:1.5!important;margin:3px 0 5px!important}
#wfLearningClassDialog .wf-class-contact p{font-size:11px!important;line-height:1.6!important;color:#786551!important;margin:0 0 5px}
#wfLearningClassDialog .wf-class-contact a{font-size:11px!important;min-height:28px;font-weight:750!important;color:#87602e!important;text-decoration:underline;text-underline-offset:3px}
#wfLearningClassDialog .wf-class-contact small{font-size:9px!important;line-height:1.5!important;color:#8c7e6e!important}
#wfLearningClassDialog .wf-class-footer{gap:8px;margin-top:12px}
#wfLearningClassDialog .wf-class-footer button{padding:9px 6px;min-height:44px!important;border:1px solid #866431!important;border-radius:12px;font-size:11px!important;font-weight:750!important;line-height:1.5!important;background:#f8d477!important;color:#594321!important;box-shadow:0 3px 0 #dac08a!important}
#wfLearningClassDialog .wf-class-footer button+button{background:#f4eddf!important;border-color:#d8cbb5!important;color:#7c6b53!important;box-shadow:0 3px 0 #e6dcc9!important}
#wfLearningClassDialog .wf-class-status{font-size:10px!important;line-height:1.6!important;color:#92816d!important;margin:10px 0 0;min-height:16px;text-align:center}
#wfLearningClassDialog button:focus-visible,#wfLearningClassDialog a:focus-visible{outline:3px solid #627747!important;outline-offset:3px}
body:has(#wfLearningClassDialog[open]) :is(#appWatermark,#appWatermarkBlack){visibility:hidden!important}
@media(max-width:420px){#wfLearningClassDialog{padding:15px;border-radius:23px}#wfLearningClassDialog h2{font-size:20px!important}#wfLearningClassDialog .wf-class-option{padding:12px 10px 9px}#wfLearningClassDialog .wf-class-contact{grid-template-columns:114px 1fr;gap:11px;padding:10px}#wfLearningClassDialog .wf-class-qr{width:114px}#wfLearningClassDialog h3{font-size:14px!important}}
@media(max-width:350px){#wfLearningClassDialog{padding:12px}#wfLearningClassDialog h2{font-size:17px!important}#wfLearningClassDialog .wf-class-options{gap:7px}#wfLearningClassDialog .wf-class-option{padding:10px 7px}#wfLearningClassDialog .wf-class-option-head strong{font-size:21px!important}#wfLearningClassDialog .wf-class-line{font-size:10px!important}#wfLearningClassDialog .wf-class-contact{grid-template-columns:102px 1fr;gap:9px;padding:8px}#wfLearningClassDialog .wf-class-qr{width:102px}#wfLearningClassDialog .wf-class-contact p{font-size:10px!important}}
@media(prefers-reduced-motion:reduce){#wfLearningClassDialog *{transition:none!important}}

/* Independent image unlock action: never nested inside the image-open button. */
.wf-locked-picture{position:relative;min-width:0}
html body .wf-image-unlock{position:absolute!important;top:8px!important;right:8px!important;left:auto!important;bottom:auto!important;z-index:35!important;display:flex!important;align-items:center!important;justify-content:center!important;gap:0!important;width:40px!important;height:40px!important;min-width:40px!important;min-height:40px!important;margin:0!important;padding:9px!important;background:#fff0c9!important;color:#66482a!important;border:1px solid #b99356!important;border-radius:50%!important;box-shadow:0 2px 7px #33210e38!important;cursor:pointer;touch-action:manipulation}
html body .wf-image-unlock svg{display:block!important;width:20px!important;height:20px!important;color:#66482a!important;stroke:#66482a!important;fill:none!important;pointer-events:none}
html body .wf-image-unlock:focus-visible{outline:3px solid #88602f!important;outline-offset:3px!important}
html body .wf-image-unlock:active{transform:scale(.95)}
#imageViewerStage>.wf-image-unlock{z-index:55!important;top:12px!important;right:12px!important}

/* Image-only text: never sits over analysis folders or steals their taps. */
html body.student-page #studentKnowledgeDetail .wf-story .wf-story-visual .wf-image-experience-hint{position:absolute!important;top:calc(var(--story-image-y,0px) + 38px)!important;left:calc(var(--story-image-x,0px) + 12px)!important;right:58px!important;bottom:auto!important;z-index:6!important;display:block!important;width:auto!important;max-width:none!important;margin:0!important;padding:0!important;background:transparent!important;border:0!important;border-radius:0!important;box-shadow:none!important;color:#fff!important;-webkit-text-fill-color:#fff!important;text-shadow:0 1px 3px #0009!important;font:400 11px/1.6 -apple-system,"PingFang SC",sans-serif!important;pointer-events:none!important}
html body.student-page #studentKnowledgeDetail .wf-free-experience-note{margin:3px 12px 6px!important;padding:0!important;font-size:11px!important;line-height:1.5!important;color:#6d7759!important;background:transparent!important;border:0!important;pointer-events:none!important}

html body.student-page .wf-story .wf-story-landscape{position:absolute!important;right:90px!important;bottom:8px!important;z-index:7!important;display:flex!important;align-items:center!important;gap:4px!important;min-height:36px!important;padding:4px 8px!important;background:#0005!important;color:white!important;border:0!important;border-radius:16px!important;font-size:12px!important;text-shadow:0 1px 3px #0008!important}
html body.student-page .wf-story-landscape svg,html body.student-page #imageViewerLandscape svg{width:19px!important;height:19px!important;stroke:currentColor!important;fill:none!important}
html body.student-page #imageViewerLandscape{display:inline-flex!important;align-items:center!important;gap:3px!important;min-height:36px!important;font-size:12px!important}
html body.student-page .wf-story-landscape span{color:white!important}
html body.student-page #imageViewerLandscape{width:auto!important;min-width:54px!important;padding:0 6px!important;color:#fff!important;background:transparent!important;border:0!important;text-shadow:0 1px 3px #0009!important;white-space:nowrap!important}
html body.student-page .image-viewer-toolbar-actions{flex-wrap:wrap}

.wf-trial-card{padding:12px 14px;margin:10px 0;background:#fff4ca;color:#4a4532;border-radius:16px}.wf-trial-card>strong{display:flex;justify-content:space-between;font-size:16px}.wf-trial-card p{font-size:13px;line-height:1.5;margin:8px 0}.wf-trial-card button{min-height:44px;width:100%;border:0;border-radius:12px;padding:8px 10px;background:#565a3d;color:white;font-size:14px}.wf-trial-card button:disabled{opacity:.5}.wf-trial-card summary{padding-top:8px;font-size:13px}

.wf-class-dialog .wf-trial-card button { color: #fff; }

#wfLearningClassDialog .wf-trial-card button[data-trial-use] { color: #fff !important; }