.site-footer[data-v-6b13d325]{width:100%;background:#fff;border-top:1px solid #E5E6EB;padding:24px 0;margin-top:60px}.footer-container[data-v-6b13d325]{width:92%;max-width:1400px;margin:0 auto;text-align:center;font-size:14px;color:#86909c}.footer-container p[data-v-6b13d325]{margin-bottom:6px}.beian-link[data-v-6b13d325]{color:#86909c;text-decoration:none;transition:color .2s ease}.beian-link[data-v-6b13d325]:hover{color:#2d5dff}body{margin:0}#app{background:#f7f8fa}[data-v-957acbe2]{margin:0;padding:0;box-sizing:border-box}.header[data-v-957acbe2]{position:fixed;top:0;left:0;right:0;z-index:9999;background:#fffffffa;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,0,0,.05);box-shadow:0 6px 20px #0000000f}.header-container[data-v-957acbe2]{width:92%;max-width:1400px;height:86px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 20px}.logo-box[data-v-957acbe2]{display:flex;align-items:center;cursor:pointer;height:100%}.logo-img[data-v-957acbe2]{height:82px;width:auto;object-fit:contain;transition:transform .2s ease}.logo-box:hover .logo-img[data-v-957acbe2]{transform:scale(1.05)}.nav-menu[data-v-957acbe2]{display:flex;align-items:center;gap:8px;height:100%}.nav-item[data-v-957acbe2]{position:relative;display:flex;align-items:center;height:100%;padding:0 26px;color:#4e5969;font-size:16px;font-weight:500;text-decoration:none;transition:color .24s ease;white-space:nowrap}.nav-item[data-v-957acbe2]:after{content:"";position:absolute;left:50%;bottom:0;width:0;height:3px;background:#2d5dff;border-radius:3px 3px 0 0;transform:translate(-50%);transition:width .24s ease}.nav-item[data-v-957acbe2]:hover{color:#2d5dff}.nav-item[data-v-957acbe2]:hover:after{width:28px}.nav-item.active[data-v-957acbe2]{color:#2d5dff;font-weight:600}.nav-item.active[data-v-957acbe2]:after{width:28px}.user-action[data-v-957acbe2]{display:flex;align-items:center}.login-button[data-v-957acbe2]{padding:12px 26px;border-radius:12px;background:#2d5dff;color:#fff!important;font-size:15px;font-weight:500;text-decoration:none;transition:all .24s ease;box-shadow:0 2px 8px #2d5dff40;white-space:nowrap}.login-button[data-v-957acbe2]:hover{background:#1b4cff;transform:translateY(-2px);box-shadow:0 4px 12px #2d5dff4d}#banner[data-v-d625448a]{width:100%;height:450px}img[data-v-d625448a]{height:450px;width:100%}[data-v-3a89f047]{margin:0;padding:0;box-sizing:border-box}.ppt-page[data-v-3a89f047]{width:100%;min-height:100vh;padding-top:90px;padding-bottom:60px}.container[data-v-3a89f047]{width:92%;max-width:1400px;margin:0 auto}.category-bar[data-v-3a89f047]{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin:50px 0}.category-item[data-v-3a89f047]{padding:12px 24px;border-radius:50px;font-size:15px;color:#4e5969;background:#fff;border:1px solid #E5E6EB;cursor:pointer;transition:all .25s ease;white-space:nowrap}.category-item[data-v-3a89f047]:hover{color:#2d5dff;background:#e8f3ff;border-color:#c9d8ff}.category-item.active[data-v-3a89f047]{background:#2d5dff;color:#fff;border-color:#2d5dff;font-weight:500}.ppt-list[data-v-3a89f047]{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:28px}.ppt-card[data-v-3a89f047]{background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 8px 24px #0000000a;transition:all .3s ease;cursor:pointer}.ppt-card[data-v-3a89f047]:hover{transform:translateY(-8px);box-shadow:0 16px 32px #2d5dff14}.card-cover[data-v-3a89f047]{position:relative;width:100%;height:220px;overflow:hidden}.card-cover img[data-v-3a89f047]{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}.ppt-card:hover .card-cover img[data-v-3a89f047]{transform:scale(1.08)}.card-tag[data-v-3a89f047]{position:absolute;top:12px;left:12px;background:#2d5dff;color:#fff;font-size:12px;padding:4px 10px;border-radius:12px}.card-info[data-v-3a89f047]{padding:20px}.card-title[data-v-3a89f047]{font-size:16px;font-weight:500;color:#1d2129;line-height:1.4;margin-bottom:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.card-meta[data-v-3a89f047]{display:flex;justify-content:space-between;font-size:13px;color:#86909c}@media(max-width:768px){.title[data-v-3a89f047]{font-size:26px}.category-bar[data-v-3a89f047]{justify-content:flex-start;overflow-x:auto;padding:4px 2px;gap:12px}.ppt-list[data-v-3a89f047]{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}}#dt[data-v-674f675d]{padding-top:100px;background:#f7f8fa;min-height:100vh}.wrapper[data-v-674f675d]{width:90%;max-width:1400px;margin:0 auto;display:flex;gap:30px;padding:30px 0}.main[data-v-674f675d]{flex:1;background:#fff;border-radius:16px;padding:30px;box-shadow:0 2px 15px #0000000a}.title[data-v-674f675d]{font-size:28px;font-weight:700;color:#333;margin-bottom:25px;padding:6px 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.content[data-v-674f675d]{display:flex;flex-direction:column;gap:15px}.subimg img[data-v-674f675d]{width:100%;border-radius:12px;object-fit:cover}.sidebar[data-v-674f675d]{width:360px;display:flex;flex-direction:column;gap:20px}.writer[data-v-674f675d],.price[data-v-674f675d],.other[data-v-674f675d]{background:#fff;border-radius:16px;box-shadow:0 2px 15px #0000000a}.subinfo[data-v-674f675d]{display:flex;align-items:center;padding:20px}.headimg img[data-v-674f675d]{width:50px;height:50px;border-radius:50%}.text[data-v-674f675d]{margin-left:12px}.subtext1[data-v-674f675d]{font-size:18px;font-weight:600;color:#333}.subtext2[data-v-674f675d]{font-size:13px;color:#999;margin-top:4px}.follow[data-v-674f675d]{margin-left:auto}.followbtn[data-v-674f675d]{padding:6px 14px;border-radius:6px;background:#722ed1;color:#fff;font-size:14px}.subfans[data-v-674f675d]{display:flex;justify-content:space-between;padding:0 20px 18px;font-size:13px;color:#999}.pricewrapper[data-v-674f675d]{padding:24px}.subbuy[data-v-674f675d]{display:flex;gap:12px;margin-bottom:20px}.subbuybtn1[data-v-674f675d]{flex:1;text-align:center;padding:12px;background:#f23974;color:#fff;border-radius:8px;font-size:16px}.subbuybtn2[data-v-674f675d]{flex:1;text-align:center;padding:12px;background:#722ed1;color:#fff;border-radius:8px;font-size:16px}.submsg[data-v-674f675d]{color:#666;font-size:14px}.msgstyle[data-v-674f675d]{padding:6px 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.otherwrap[data-v-674f675d]{padding:24px}.othernav[data-v-674f675d]{font-size:18px;font-weight:600;color:#722ed1;margin-bottom:15px}.otherbar[data-v-674f675d]{display:flex;align-items:center;gap:12px;margin-bottom:15px}.otherbarimg img[data-v-674f675d]{width:120px;height:70px;border-radius:8px;object-fit:cover}.otherbartitle[data-v-674f675d]{font-size:14px;color:#333;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-clamp:2;overflow:hidden;text-overflow:ellipsis;word-break:break-all}.otherbartype[data-v-674f675d]{font-size:12px;color:#999;margin-top:4px}#category[data-v-36cc8a99]{width:92%;max-width:1300px;margin:89px auto 0;background:#fff}.wrapper[data-v-36cc8a99]{border-radius:20px;padding:30px;box-shadow:0 4px 15px #0000000a}.pType[data-v-36cc8a99],.iType[data-v-36cc8a99]{display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding:16px 20px;background:#f9fafb;border-radius:12px;margin-bottom:16px}.nav[data-v-36cc8a99]{padding:8px 16px;border-radius:8px;font-size:15px;color:#555;cursor:pointer;transition:all .25s ease;white-space:nowrap}.nav[data-v-36cc8a99]:hover{color:#2d5dff;background:#e8f3ff;border-color:#c9d8ff}.nav.active[data-v-36cc8a99]{background:#2d5dff;color:#fff;font-weight:500}.list[data-v-36cc8a99]{display:flex;flex-wrap:wrap;gap:22px;margin-top:20px}.content[data-v-36cc8a99]{width:calc(25% - 17px);min-width:280px;background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 2px 12px #0000000f;transition:transform .3s ease,box-shadow .3s ease;cursor:pointer}.content[data-v-36cc8a99]:hover{transform:translateY(-6px);box-shadow:0 8px 20px #722ed11f}.subimg[data-v-36cc8a99]{width:100%;height:220px;overflow:hidden}.subimg img[data-v-36cc8a99]{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.content:hover .subimg img[data-v-36cc8a99]{transform:scale(1.05)}.subtext[data-v-36cc8a99]{padding:14px 16px 4px;font-size:16px;font-weight:500;color:#333;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.subwriter[data-v-36cc8a99]{padding:0 16px 16px;font-size:13px;color:#999}