/* 迷你影院式教程卡：独立视频画面、胶片细节与观看入口。 */
.tutorialSection{width:min(680px,calc(100% - 72px));margin:24px auto 0;position:relative;z-index:1}
.tutorialSection>header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:13px}
.tutorialSection h2{display:flex;align-items:center;gap:9px;margin:0;color:#f0dca6;font-size:19px;font-weight:600;letter-spacing:1px}
.tutorialSection h2:before{content:'▶';display:grid;place-items:center;width:25px;height:25px;padding-left:1px;border:1px solid #a98443;border-radius:7px;background:#3b2912;color:#d8b46c;font-size:9px}
.tutorialSection>header p{margin:0;color:#ae986d;font-size:10px}
.tutorialGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
.tutorialCard{display:block;position:relative;min-width:0;overflow:hidden;border:1px solid #a2844b;border-radius:15px;background:linear-gradient(125deg,#3a2a14,#191109);box-shadow:0 6px 20px #0002;transition:border-color .2s,transform .2s}
.tutorialCard:hover{border-color:#e0bf78;transform:translateY(-2px)}
.tutorialCover{position:relative;display:block;aspect-ratio:2.4;overflow:hidden;border-bottom:1px solid #ae8c4b44;background:radial-gradient(ellipse at 50% 55%,#aa844e2b,transparent 70%),linear-gradient(120deg,#15110c,#392913 60%,#17110b)}
.tutorialCover:before,.tutorialCover:after{content:'';position:absolute;z-index:1;left:12px;right:12px;height:4px;background:repeating-linear-gradient(90deg,#bc995b55 0 8px,transparent 8px 18px);opacity:.4}
.tutorialCover:before{top:8px}.tutorialCover:after{bottom:8px}
.tutorialCover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;filter:sepia(.2)}
.tutorialIndex{position:absolute;top:22px;left:16px;color:#d6b678;font:italic 24px/1 Georgia,serif;letter-spacing:1px;opacity:.7}
.tutorialType{position:absolute;bottom:18px;right:14px;color:#b19a6c;font:9px/1 Arial,sans-serif;letter-spacing:1px}
.tutorialPlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:42px;height:42px;padding-left:3px;border:1px solid #f0d695;border-radius:50%;background:linear-gradient(135deg,#efd48f,#bb8c35);color:#32200b;font-size:16px;box-shadow:0 0 0 5px #f5d38b0d,0 4px 15px #0004}
.tutorialCaption{padding:12px 15px 8px}.tutorialCaption h3{margin:0;color:#f2dfa9;font-size:16px;line-height:1.5;font-weight:600;letter-spacing:.5px}.tutorialCaption p{margin:3px 0 0;color:#ae986e;font-size:10px;line-height:1.5}
.tutorialFoot{display:flex;align-items:center;justify-content:space-between;gap:5px;margin:0 15px;padding:8px 0 11px;border-top:1px solid #a7894533}
.tutorialBadge{padding:2px 5px;border:1px solid #ad8a473f;border-radius:4px;color:#aa9364;font-size:9px;line-height:1.3}
.tutorialBadge[hidden]{display:none}
.tutorialArrow{display:flex;align-items:center;gap:6px;margin-left:auto;color:#e0c589;font-size:11px;line-height:1.4}
.tutorialArrow:after{content:'';width:5px;height:5px;border-right:1px solid currentColor;border-top:1px solid currentColor;transform:rotate(45deg)}
.tutorialDemoNotice{margin:9px 0 0;color:#9b845d;text-align:center;font-size:9px;line-height:1.5}
.tutorialCard:focus-visible{outline:2px solid #ffe6a1;outline-offset:3px}
.tutorialModal{width:min(800px,calc(100% - 24px));max-height:90dvh;padding:0;border:1px solid #b99751;border-radius:16px;background:#21170c;color:#f3dfa7;overflow:auto;box-shadow:0 20px 80px #0008}
.tutorialModal::backdrop{background:#080501cc}
.tutorialModal>header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px}
.tutorialModal h2{margin:0;font-size:17px}.tutorialModal header p{margin:4px 0 0;font-size:11px;line-height:1.5;color:#bca77d}
#tutorial-close{flex-shrink:0;width:40px;height:40px;border:1px solid #9e7b3d;border-radius:9px;background:#3b2a14;color:#eddbab;font-size:28px;cursor:pointer}
.tutorialPlayer{aspect-ratio:16/9;background:#000}
.tutorialPlayer iframe,.tutorialPlayer video{display:block;width:100%;height:100%;border:0;object-fit:contain}
.tutorialModal [hidden]{display:none!important}
.tutorialModal>footer{padding:12px 16px;margin:0;text-align:right;background:#21170c}
.tutorialModal footer a{font-size:12px;color:#d7ba78;text-decoration:underline}
#tutorial-error{padding:8px 16px;margin:0;font-size:12px;color:#ebcc8f}
body.tutorial-open{overflow:hidden}



@media(max-width:600px){
 .tutorialSection{width:calc(100% - 24px);margin-top:18px}
 .tutorialSection>header{margin-bottom:10px;gap:8px}.tutorialSection h2{font-size:17px;letter-spacing:.5px;gap:7px}.tutorialSection>header p{font-size:9px}
 .tutorialGrid{gap:10px}.tutorialCard{border-radius:12px}.tutorialCover{aspect-ratio:2.15}
 .tutorialCover:before,.tutorialCover:after{left:9px;right:9px;height:3px;background-size:14px 3px}.tutorialCover:before{top:6px}.tutorialCover:after{bottom:6px}
 .tutorialIndex{top:15px;left:11px;font-size:17px}.tutorialType{bottom:13px;right:9px;font-size:7px}
 .tutorialPlay{width:32px;height:32px;font-size:12px;box-shadow:0 0 0 4px #f5d38b0d}
 .tutorialCaption{padding:9px 10px 7px}.tutorialCaption h3{font-size:13px;letter-spacing:0}.tutorialCaption p{font-size:9px;margin-top:2px}
 .tutorialFoot{margin:0 10px;padding:7px 0 9px}.tutorialBadge{font-size:8px;padding:2px 4px}.tutorialArrow{font-size:10px;gap:4px}
 .tutorialDemoNotice{font-size:8px;margin-top:8px}.tutorialModal>header{padding:10px 12px}
}