.background_cover-background__OCnoq.light-gray{background:#f5f5f5}.background_cover-background__OCnoq.light-purple{background:linear-gradient(180deg,#9f70ff26,#7732ff26),#fff}.background_cover-background__OCnoq.light-blue{background:linear-gradient(180deg,#1aadfe26,#058bf726),#fff}.background_cover-background__OCnoq.light-green{background:linear-gradient(180deg,#7ce2b326,#2ec99526),#fff}.background_cover-background__OCnoq.light-orange{background:linear-gradient(180deg,#f98c5726,#fc735526),#fff}.background_cover-background__OCnoq.light-red{background:linear-gradient(180deg,#ff757526,#ff5e8e26),#fff}.background_cover-background__OCnoq.medium-gray{background:linear-gradient(180deg,#8d96a6,#4f5e73)}.background_cover-background__OCnoq.medium-purple{background:linear-gradient(180deg,#9f70ff,#7732ff)}.background_cover-background__OCnoq.medium-blue{background:linear-gradient(180deg,#4dc9ff,#058bf7)}.background_cover-background__OCnoq.medium-green{background:linear-gradient(180deg,#7ce2b3,#2ec995)}.background_cover-background__OCnoq.medium-orange{background:linear-gradient(180deg,#f98c57,#fc7355)}.background_cover-background__OCnoq.medium-red{background:linear-gradient(180deg,#ff7575,#ff5e8e)}.background_cover-background__OCnoq.dark-gray{background:linear-gradient(180deg,#ffffff0f,#ffffff0f),#262626}.background_cover-background__OCnoq.dark-purple{background:linear-gradient(180deg,#9f70ff66,#7732ff66),#292929}.background_cover-background__OCnoq.dark-blue{background:linear-gradient(180deg,#1aadfe66,#058bf766),#292929}.background_cover-background__OCnoq.dark-green{background:linear-gradient(180deg,#7ce2b366,#2ec99566),#292929}.background_cover-background__OCnoq.dark-orange{background:linear-gradient(180deg,#f98c5766,#fc735566),#292929}.background_cover-background__OCnoq.dark-red{background:linear-gradient(180deg,#ff757566,#ff5e8e66),#292929}.avatar-selector_range-input__c3N8n[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:#2db55d;border-radius:50%;cursor:pointer;height:.75rem;width:.75rem}.avatar-selector_range-input__c3N8n[type=range]::-moz-range-thumb{background:#2db55d;border-radius:50%;cursor:pointer;height:.75rem;width:.75rem}.avatar-selector_range-input__c3N8n[type=range]::-ms-thumb{background:#2db55d;border-radius:50%;cursor:pointer;height:.75rem;width:.75rem}.input_input-container__6l534:hover .input_clear-icon__dhcI_{display:inline}.input_input-container__6l534:hover .input_right-icon__mtpzT{display:none}.input_input-container__6l534 input::-webkit-contacts-auto-fill-button{display:none!important;pointer-events:none;position:absolute;right:0;visibility:hidden}.navbar_bannerContentWidthFull__302Iu>div{max-width:100%;padding:0 12px}.medal_gradient-text__OB3OG{background:linear-gradient(180deg,#ffefc7 15.87%,#ffda7b 44.78%,#dfa663 82.56%);-webkit-background-clip:text;background-clip:text}.AliPlayerReact_prismPlayerContainer__d6gcn{border-radius:5px;box-shadow:0 1px 3px #00000026;position:relative}.AliPlayerReact_prismPlayerContainer__d6gcn .prism-player{background-color:#f7f7f7!important;border-radius:5px;height:100%!important;left:0;position:absolute;top:0;width:100%!important}.AliPlayerReact_prismPlayerContainer__d6gcn .prism-player>video{border-radius:5px}.AliPlayerReact_prismPlayerContainer__d6gcn .prism-player .prism-liveshift-progress .prism-progress-loaded{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#3232321a}.AliPlayerReact_prismPlayerContainer__d6gcn .prism-player .prism-liveshift-progress .prism-progress-played{background-color:#fea115}.AliPlayerReact_prismPlayerContainer__d6gcn .prism-player .prism-progress .prism-progress-loaded{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#3232321a}.AliPlayerReact_prismPlayerContainer__d6gcn .prism-player .prism-progress .prism-progress-played{background-color:#fea115}.AliPlayerReact_prismPlayerContainer__d6gcn .prism-player .prism-controlbar{z-index:11!important}.AliPlayerReact_prismPlayerContainer__d6gcn .prism-player .prism-controlbar .prism-cc-btn{display:none}.AliPlayerReact_prismPlayerContainer__d6gcn .prism-player .prism-controlbar .prism-controlbar-bg{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#000c;border-bottom-left-radius:5px;border-bottom-right-radius:5px}.AliPlayerReact_prismPlayerContainer__d6gcn .prism-player .prism-controlbar .prism-volume{margin-right:15px!important;transform:scale(.8)}.AliPlayerReact_prismPlayerContainer__d6gcn .prism-player .prism-controlbar .prism-setting-btn{transform:scale(.8)}.AliPlayerReact_prismPlayerContainer__d6gcn .prism-player .prism-cover{border-radius:5px;pointer-events:none;z-index:10!important}.AliPlayerReact_prismPlayerContainer__d6gcn .prism-player .prism-big-play-btn.pause{border-radius:100%;box-shadow:0 5px 15px #00000026}.AliPlayerReact_prismPlayerContainer__d6gcn .prism-player .prism-big-play-btn{z-index:11!important}.AliPlayerReact_prismPlayerContainer__d6gcn .prism-player .prism-thumbnail img~span,.AliPlayerReact_prismPlayerContainer__d6gcn .prism-player .prism-tooltip{border-radius:10px;box-shadow:0 3px 5px #0003;height:20px;line-height:19px;padding:0 8px}.AliPlayerReact_prismPlayerContainer__d6gcn[data-has-size=true] .prism-player{height:100%!important;left:0;position:absolute;top:0;width:100%!important}.AliPlayerReact_prismPlayerContainer__d6gcn[data-has-size=false] .prism-player[data-is-ready=true]{display:inline-block;height:auto!important;width:auto!important}.AliPlayerReact_prismPlayerContainer__d6gcn[data-has-size=false] .prism-player[data-is-ready=true]>video{display:block;height:auto!important;max-width:100%;position:static!important;transform:none!important;width:auto!important}.AliPlayerReact_prismPlayerContainer__d6gcn .prism-player .prism-info-display{z-index:39!important}.dark .AliPlayerReact_prismPlayerContainer__d6gcn .prism-player{background-color:#383838!important}.Box_box__h_pef{background:#f7f8fa;border-radius:21px;box-shadow:0 1px 3px #0000000a,0 10px 28px -4px #00000029;font-family:PingFang SC,sans-serif;left:50%;overflow:hidden;position:fixed;top:50%;transform:translateX(-50%) translateY(-50%);width:629px;z-index:1000}.dark .Box_box__h_pef{background:#1a1a1a}.Box_mask__YhFY1{background:#0000004d;height:100%;left:0;position:fixed;top:0;width:100%;z-index:1000}.Header_header__VAtwy{background:linear-gradient(87.91deg,#eeca94 23.26%,#f5e0c2 75.35%);height:100px;overflow:hidden}.Header_logo__LO8_Y{right:32px;top:0}.Header_logo__LO8_Y,.Header_user__uhNjU{position:absolute}.Header_user__uhNjU{align-items:center;display:flex;flex-direction:row;gap:16px;height:52px;left:32px;padding:0;top:24px}.Header_avatar__h98pW{background-position:50% 50%;background-repeat:no-repeat;background-size:cover;border-radius:50%;flex-grow:0;height:50px;order:0;width:50px}.Header_userInner__nko0d{align-items:flex-start;flex:none;flex-direction:column;flex-grow:0;height:52px;order:1}.Header_nick__3MUNm,.Header_userInner__nko0d{display:flex;padding:0}.Header_nick__3MUNm{align-items:flex-end;color:#262626bf;flex:none;flex-direction:row;flex-grow:0;font-size:20px;gap:4px;height:28px;order:0}.Header_tag__WnITq{align-items:center;background:#0000000d;border-radius:12px;color:#3c3c4399;display:flex;font-size:12px;font-weight:400;height:24px;padding:4px 0 4px 8px;width:72px}.Header_icon__ODXDy{background-position:50% 50%;background-repeat:no-repeat;background-size:contain;height:16px;margin-right:4px;width:16px}.Header_premium__41JLO{background-image:url(https://static.leetcode-cn.com/cn-frontendx-assets/development/_next/static/images/premium-plus-b81e87ee9afdf123c5f0b97ab8abdd0c.png)}.Header_free__Y5bo1{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg width='16' height='16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6.475 1.054a3.05 3.05 0 0 1 3.05 0l3.728 2.152a3.05 3.05 0 0 1 1.525 2.642v4.305a3.05 3.05 0 0 1-1.525 2.64l-3.728 2.153a3.05 3.05 0 0 1-3.05 0l-3.728-2.152a3.05 3.05 0 0 1-1.525-2.641V5.848a3.05 3.05 0 0 1 1.525-2.642l3.728-2.152Z' fill='url(%23a)' stroke='url(%23b)' stroke-width='.3'/%3E%3Cpath d='M7.918 8.325 8 8.378l.082-.053 3.284-2.134a.25.25 0 0 1 .384.239l-.482 4.046a.65.65 0 0 1-.645.574H5.377a.65.65 0 0 1-.645-.574L4.25 6.43a.25.25 0 0 1 .385-.24l3.283 2.135Z' fill='url(%23c)' stroke='url(%23d)' stroke-width='.3'/%3E%3Cpath d='M7.783 4.882a.25.25 0 0 1 .434 0l2.969 5.195a.65.65 0 0 1-.565.973H5.378a.65.65 0 0 1-.564-.973l2.969-5.195Z' fill='url(%23e)' stroke='url(%23f)' stroke-width='.3'/%3E%3Cdefs%3E%3ClinearGradient id='a' x1='-1.675' y1='7.906' x2='7.445' y2='17.483' gradientUnits='userSpaceOnUse'%3E%3Cstop stop-color='silver'/%3E%3Cstop offset='1' stop-color='%23A09F9F'/%3E%3C/linearGradient%3E%3ClinearGradient id='b' x1='-.219' y1='5.129' x2='6.835' y2='16.285' gradientUnits='userSpaceOnUse'%3E%3Cstop stop-color='%23E0DCDC'/%3E%3Cstop offset='1' stop-color='%23A19F9F'/%3E%3C/linearGradient%3E%3ClinearGradient id='c' x1='1.166' y1='8.547' x2='5.276' y2='14.919' gradientUnits='userSpaceOnUse'%3E%3Cstop stop-color='%23EDEDED'/%3E%3Cstop offset='1' stop-color='%23D4D4D4'/%3E%3C/linearGradient%3E%3ClinearGradient id='d' x1='2.698' y1='7.657' x2='5.11' y2='13.288' gradientUnits='userSpaceOnUse'%3E%3Cstop stop-color='%23F3F3F3'/%3E%3Cstop offset='1' stop-color='%23CFCFCF'/%3E%3C/linearGradient%3E%3ClinearGradient id='e' x1='4.457' y1='7.126' x2='7.335' y2='13.035' gradientUnits='userSpaceOnUse'%3E%3Cstop stop-color='%23F5F5F5'/%3E%3Cstop offset='1' stop-color='%23DCDCDC'/%3E%3C/linearGradient%3E%3ClinearGradient id='f' x1='3.46' y1='6.608' x2='6.228' y2='12.677' gradientUnits='userSpaceOnUse'%3E%3Cstop stop-color='%23fff'/%3E%3Cstop offset='1' stop-color='%23DEDEDE'/%3E%3C/linearGradient%3E%3C/defs%3E%3C/svg%3E")}.Header_close__nOjFG{cursor:pointer;height:24px;position:absolute;right:24px;top:24px;width:24px}.Intro_box__QP2eL{background:#fff;border-radius:13px;margin:16px;padding:16px 16px 24px;position:relative}.dark .Intro_box__QP2eL{background:#282828}.Intro_title__t0tr6{color:#ca965e;font-size:16px;font-style:normal;font-weight:500;line-height:24px}.dark .Intro_title__t0tr6{color:#dcbc8c}.Intro_more__ayUXp{color:#262626bf;font-size:12px;font-style:normal;font-weight:400;line-height:16px;position:absolute;right:16px;top:20px}.dark .Intro_more__ayUXp{color:#eff1f6bf}.Intro_line__mat0R,.Intro_link___FQ3e{vertical-align:middle}.Intro_line__mat0R{border-left:1px solid #000a201c;display:inline;height:12px;margin:0 6px}.dark .Intro_line__mat0R{border-left:1px solid #f7faff2e}.Intro_items__klY8Q{align-items:flex-end;display:flex;flex-direction:row;gap:62px;margin:16px auto 0;padding:0;width:474px}.Intro_item__5Jn5I{color:#262626bf;font-size:12px;font-style:normal;font-weight:400;height:76px;line-height:16px;text-align:center;width:72px}.dark .Intro_item__5Jn5I{color:#fff}.Intro_icon__XlOnR{background-position:50% 50%;background-repeat:no-repeat;background-size:contain;height:36px;margin:12px auto;width:36px}.Intro_right1__Y_ZYa{background-image:url(https://static.leetcode.cn/cn-mono-assets/production/assets/company_pop@2x.89d521e7.png)}.Intro_right2__trgVZ{background-image:url(https://static.leetcode.cn/cn-mono-assets/production/assets/interview_pop@2x.9b8324b5.png)}.Intro_right3__VjEjP{background-image:url(https://static.leetcode.cn/cn-mono-assets/production/assets/hot_pop@2x.89470849.png)}.Intro_right4__opT6V{background-image:url(https://static.leetcode.cn/cn-mono-assets/production/assets/lightning_pop@2x.7404043b.png)}.Sku_box__fR1Bf{align-items:stretch;display:flex;flex-direction:row;gap:16px;height:130px;margin:16px;padding:0}.Sku_item__Sepuh{border:2px solid #0000;border-radius:13px;overflow:hidden;position:relative;-webkit-user-select:none;user-select:none}.Sku_active__DVGhG{border-color:#ffa116;box-shadow:0 2px 12px #ff9d1633}.Sku_content__un_E8{background:#fff;cursor:pointer;font-weight:400;padding:24px 0;position:relative;text-align:center}.dark .Sku_content__un_E8{background:#282828}.Sku_active__DVGhG .Sku_content__un_E8{background:#ffa1161a}.dark .Sku_active__DVGhG .Sku_content__un_E8{background:#ff9d0a1a}.Sku_sku365__gbSfF,.Sku_sku90__94ZPl{width:150px}.Sku_sku30__6Uc7b{width:265px}.Sku_days__ijRAK{color:#262626;font-size:14px;line-height:22px}.dark .Sku_days__ijRAK{color:#fff}.Sku_average__m_gOT{color:#3c3c4399;font-size:12px;line-height:16px;margin-top:4px}.dark .Sku_average__m_gOT{color:#eff2f699}.Item365_best__E3IMu{background:linear-gradient(90deg,#ffa116,#ffba49 95%);border-radius:0 0 0 13px;color:#fff;font-size:12px;font-weight:500;height:24px;line-height:24px;position:absolute;right:0;text-align:center;top:0;width:60px}.dark .Item365_best__E3IMu{background:linear-gradient(90deg,#ff9d0a,#ffba49 95%)}.Price_price__Wo7QC{font-family:DIN Alternate,sans-serif;font-style:normal;font-weight:700;height:40px;position:relative;text-align:center}.Price_on__IK3_l{color:#ffa116}.dark .Price_on__IK3_l{color:#ff9d0a}.Price_off__ZkQPm{color:#262626}.dark .Price_off__ZkQPm{color:#fff}.Price_unit__xszni{color:#262626bf;display:inline-block;font-size:16px;height:20px;margin-right:4px;vertical-align:initial;width:12px}.dark .Price_unit__xszni{color:#eff1f6bf}.Price_on__IK3_l .Price_unit__xszni{color:#ffa116}.dark .Price_on__IK3_l .Price_unit__xszni{color:#ff9d0a}.Price_value__nmCEh{font-size:32px;vertical-align:initial}.Item30_multi__fq6FO{align-items:center;display:flex}.Item30_child__YGe9P{flex:1 1}.Item30_line__SiAp1{border-left:1px solid #000a200d;height:66px}.Consecutive_box__k0zJJ{align-items:center;border-radius:0 13px;display:flex;font-size:11px;font-weight:400;height:24px;justify-content:center;line-height:13px;position:absolute;right:0;top:0;width:108px}.Consecutive_off__vojNX{background:#007aff14;color:#3c3c434d}.dark .Consecutive_off__vojNX{background:#ffffff12;color:#ebebf54d}.Consecutive_on__RKb85{background:#007aff14;color:#007aff}.dark .Consecutive_on__RKb85{background:#0a84ff2e;color:#0a84ff}.Consecutive_title__9wcQy{margin-right:8px}.Toggle_box__NoNx8{background:#bfbfbf;border-radius:16px;height:16px;overflow:hidden;padding:2px;transition-duration:.15s;transition-property:all;transition-timing-function:cubic-bezier(.4,0,.2,1);width:32px}.Toggle_disabled__hkq4m{cursor:not-allowed}.Toggle_inner__braQj{background:#fff;border-radius:6px;height:12px;transition-duration:.15s;transition-property:all;transition-timing-function:cubic-bezier(.4,0,.2,1);width:12px}.Toggle_on__mGgRK{background:#007aff}.Toggle_on__mGgRK .Toggle_inner__braQj{transform:translateX(16px)}.Pay_box__Sxb8h{align-items:stretch;background:#fff;border-radius:13px;display:flex;gap:16px;margin:16px;padding:16px}.dark .Pay_box__Sxb8h{background:#282828}.Pay_right__u4NEU{flex:auto}.Coupon_box__LQDbV{height:24px;position:relative}.Coupon_icon__0908k{display:inline-block;margin-left:4px;margin-right:8px}.Coupon_icon__0908k,.Coupon_title__pOoNX{vertical-align:middle}.Coupon_title__pOoNX{color:#000;font-size:14px;font-weight:500;line-height:22px}.dark .Coupon_title__pOoNX{color:#fff}.Coupon_count__iS_Ux{color:#3c3c4399;font-size:12px;font-weight:500;line-height:18px;position:absolute;right:0;top:0}.dark .Coupon_count__iS_Ux{color:#eff2f699}.CouponDialogue_box__qmeUm{align-items:flex-start;background:#fff;border-radius:8px;box-shadow:0 1px 3px #0000000a,0 6px 16px #0000001f;display:flex;flex-direction:column;gap:8px;left:0;padding:13px 20px;position:absolute;top:28px;width:100%;z-index:1}.dark .CouponDialogue_box__qmeUm{background:#2e2e2f}.CouponDialogue_item__3C6JF{color:#262626bf;cursor:pointer;font-size:14px;font-weight:400;line-height:22px}.dark .CouponDialogue_item__3C6JF{color:#eff2f699}.Line_line__TzLc2{border-top:1px dashed #000a201c;margin:12px 0}.dark .Line_line__TzLc2{border-top:1px dashed #f7faff2e}.OrderDetail_box__fZP3U{align-items:stretch;display:flex}.OrderDetail_left__4mAkO{background:#fff;height:120px;margin-right:16px;width:120px}.OrderDetail_right__h_QVz{flex:auto}.PayMethod_box__l17pj{align-items:center;color:#3c3c4399;display:flex;font-size:12px;font-weight:400;line-height:16px;margin-bottom:8px}.dark .PayMethod_box__l17pj{color:#eff2f699}.PayMethod_text__1NS9b{flex:auto}.PayMethod_bold__idxQl{color:#5c5c5c;font-weight:500}.dark .PayMethod_bold__idxQl{color:#bdbfc2}.Agreement_box__GJflC{color:#3c3c4399;font-size:12px;font-weight:400;line-height:16px}.dark .Agreement_box__GJflC{color:#eff2f699}.Agreement_link__5lb1v{color:#007aff}.dark .Agreement_link__5lb1v{color:#0a84ff}.MoneyDetail_box__UBWY6{color:#3c3c4399;font-size:14px;font-weight:400;line-height:22px;margin-bottom:32px}.dark .MoneyDetail_box__UBWY6{color:#eff2f699}.MoneyDetail_unit__0ykD6{color:#ffa116;font-family:DIN Alternate,sans-serif;font-size:14px;font-weight:700;line-height:22px;margin-right:4px}.dark .MoneyDetail_unit__0ykD6{color:#ff9d0a}.MoneyDetail_money__kCTPL{color:#ffa116;font-family:DIN Alternate,sans-serif;font-size:32px;font-weight:700;line-height:40px;margin-right:4px}.MoneyDetail_originalPrice__g_dI6{margin-right:8px;text-decoration-line:line-through}.dark .MoneyDetail_money__kCTPL{color:#ff9d0a}.MoneyDetail_detail__Q1E8q{align-items:center;display:inline-flex}.MoneyDetail_locator__RG7i6{position:relative}.DetailTip_box__LW0Va{bottom:0;height:130px;left:-140px;position:absolute;width:240px;z-index:1000}.DetailTip_content__VEdoh{position:relative}.DetailTip_arrow__e_MzW{background:0 0;height:22px;left:50%;overflow:hidden;transform:translateY(100%) translate(-50%);width:22px}.DetailTip_arrowContent__X9Wav,.DetailTip_arrow__e_MzW{bottom:0;display:block;pointer-events:none;position:absolute}.DetailTip_arrowContent__X9Wav{background-color:#fff;border-radius:0 0 2px;box-shadow:3px 3px 7px #00000012;content:"";height:11px;left:0;margin:auto;right:0;top:0;transform:translateY(-12px) rotate(45deg);width:11px}.dark .DetailTip_arrowContent__X9Wav{background-color:#2e2e2f}.DetailTip_arrowContent__X9Wav:before{background:#fff;background-position:-10px -10px;background-repeat:no-repeat;clip-path:path("M 9.849242404917499 24.091883092036785 A 5 5 0 0 1 13.384776310850237 22.627416997969522 L 20.627416997969522 22.627416997969522 A 2 2 0 0 0 22.627416997969522 20.627416997969522 L 22.627416997969522 13.384776310850237 A 5 5 0 0 1 24.091883092036785 9.849242404917499 L 23.091883092036785 9.849242404917499 L 9.849242404917499 23.091883092036785 Z");content:"";height:34px;left:-11px;position:absolute;top:-11px;width:34px}.dark .DetailTip_arrowContent__X9Wav:before{background-color:#2e2e2f}.DetailTip_cursor__unOrB{bottom:0;cursor:pointer;height:20px;left:95px;position:absolute;width:50px}.DetailTip_inner__x0DwT{background-clip:padding-box;background-color:#fff;border-radius:8px;box-shadow:0 3px 6px -4px #0000001f,0 6px 16px #00000014,0 9px 28px 8px #0000000d;padding:8px 12px 12px}.dark .DetailTip_inner__x0DwT{background-color:#2e2e2f}.DetailTip_title__imipo{color:#262626;font-size:14px;font-weight:500;line-height:22px;margin-bottom:4px}.dark .DetailTip_title__imipo{color:#fff}.DetailTip_main__ewBo9{background:#00000008;border-radius:8px;padding:4px 12px}.dark .DetailTip_main__ewBo9{background:#ffffff0d}.DetailTip_days__7v2zM{color:#262626;font-size:14px;font-weight:400;line-height:22px}.dark .DetailTip_days__7v2zM{color:#fff}.DetailTip_price__md9Yk{color:#262626;float:right;font-size:14px;font-weight:500;line-height:22px}.dark .DetailTip_price__md9Yk{color:#fff}.DetailTip_endTime__kuDtg{color:#3c3c4399;font-size:12px;font-weight:400;line-height:16px;margin-top:4px}.dark .DetailTip_endTime__kuDtg{color:#eff2f699}.TipRefresh_box__hndgm{align-items:center;background:#74748014;border-radius:8px;color:#3c3c4399;display:flex;font-size:12px;font-weight:400;line-height:16px;margin-top:12px;padding:8px 0 8px 12px}.dark .TipRefresh_box__hndgm{color:#eff2f699}.TipRefresh_icon__yvgw4{margin-right:8px}.TipRefresh_icon__yvgw4 path{fill:#bfbfbf}.dark .TipRefresh_icon__yvgw4 path{fill:#5c5c5c}.Gift_box__WMIha{background:#00000008;border-radius:8px;padding:12px 0 0 12px;position:relative;width:115px}.dark .Gift_box__WMIha{background:#ffffff0d}.Gift_title__Y19OO{color:#000;font-size:12px;font-weight:500;line-height:16px;margin-bottom:12px}.dark .Gift_title__Y19OO{color:#ebebf5b3}.Gift_list__K0F9R{height:153px;overflow-x:hidden;overflow-y:scroll}.Gift_item___aPvZ{background-position:50% 50%;background-repeat:no-repeat;background-size:cover;border-radius:5px;height:52px;margin-bottom:8px;overflow:hidden;position:relative;width:91px}.Gift_item___aPvZ:before{background:linear-gradient(0deg,#0003,#0003);content:" ";display:block;height:100%;left:0;position:absolute;top:0;width:100%}.Gift_name__VsXXd{bottom:6px;color:#fff;font-size:12px;font-weight:500;left:4px;position:absolute}.Student_box__OVZ_M{background:#007aff14;border-radius:8px;height:40px;margin:16px;overflow:hidden;position:relative}.dark .Student_box__OVZ_M{background:#0a84ff1f}.Student_icon__ac_Ii{bottom:0;left:0;position:absolute}.Student_icon__ac_Ii path{fill:#007aff;fill-opacity:.08}.dark .Student_icon__ac_Ii path{fill:#0a84ff;fill-opacity:.12}.Student_content__0aPVo{align-items:center;display:flex;height:100%;left:0;padding:9px 16px;position:absolute;top:0;width:100%}.Student_title__iG3f7{color:#262626;font-size:14px;line-height:22px;margin-right:16px}.dark .Student_title__iG3f7{color:#fff}.Student_desc__IzG08{color:#262626bf;flex:auto;font-size:12px;font-weight:400}.dark .Student_desc__IzG08{color:#eff1f6bf}.Student_link__XHiXl{color:#262626bf;font-size:12px;font-weight:500}.dark .Student_link__XHiXl{color:#eff1f6bf}.PremiumOnlyVideo_background__S_y1I{background:url(https://leetcode.com/static/images/articles/video-preview.png)}.TabBarItem_item__jKpNv~.TabBarItem_item__jKpNv:before{background-color:#0000000d;content:" ";height:12px;left:0;position:absolute;top:50%;transform:translate(-50%,-50%);width:1px}.dark .TabBarItem_item__jKpNv~.TabBarItem_item__jKpNv:before{background-color:#f7faff1f}.markdown-content_markdown__cVmKc{overflow-wrap:break-word;word-break:normal}.markdown-content_markdown__cVmKc img,.markdown-content_markdown__cVmKc video{margin-bottom:1rem}.markdown-content_markdown__cVmKc>:last-child{margin-bottom:0}.markdown-content_markdown__cVmKc>:first-child{margin-top:0}.markdown-content_markdown__cVmKc>div:first-child{margin-top:5px}.markdown-content_markdown__cVmKc iframe{margin-bottom:1rem;max-width:100%}.markdown-content_markdown__cVmKc h1{font-size:1.5rem;line-height:2rem}.markdown-content_markdown__cVmKc h1,.markdown-content_markdown__cVmKc h2{font-weight:700;margin-bottom:1rem;margin-top:1.5rem}.markdown-content_markdown__cVmKc h2{font-size:1.25rem;line-height:1.75rem}.markdown-content_markdown__cVmKc h3{font-size:1.125rem;line-height:1.75rem}.markdown-content_markdown__cVmKc h3,.markdown-content_markdown__cVmKc h4{font-weight:700;margin-bottom:1rem;margin-top:1.5rem}.markdown-content_markdown__cVmKc h4{font-size:17px}.markdown-content_markdown__cVmKc h5{font-weight:700}.markdown-content_markdown__cVmKc h5,.markdown-content_markdown__cVmKc h6{font-size:1rem;line-height:1.5rem;margin-bottom:1rem;margin-top:1.5rem}.markdown-content_markdown__cVmKc h1,.markdown-content_markdown__cVmKc h2,.markdown-content_markdown__cVmKc h3,.markdown-content_markdown__cVmKc h4{--tw-text-opacity:1;color:rgb(38 38 38/var(--tw-text-opacity))}.dark .markdown-content_markdown__cVmKc h1,.dark .markdown-content_markdown__cVmKc h2,.dark .markdown-content_markdown__cVmKc h3,.dark .markdown-content_markdown__cVmKc h4{--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity))}.markdown-content_markdown__cVmKc p{font-size:.875rem;line-height:1.25rem;line-height:22px;margin-bottom:1rem;overflow-x:auto;overflow-y:hidden}.markdown-content_markdown__cVmKc p:first-child{margin-top:0}.markdown-content_markdown__cVmKc h5,.markdown-content_markdown__cVmKc h6,.markdown-content_markdown__cVmKc p,.markdown-content_markdown__cVmKc>div{--tw-text-opacity:1;color:rgb(38 38 38/var(--tw-text-opacity))}.dark .markdown-content_markdown__cVmKc h5,.dark .markdown-content_markdown__cVmKc h6,.dark .markdown-content_markdown__cVmKc p,.dark .markdown-content_markdown__cVmKc>div{--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity))}.markdown-content_markdown__cVmKc a{--tw-text-opacity:1;color:rgb(0 122 255/var(--tw-text-opacity));margin-bottom:1rem}.markdown-content_markdown__cVmKc a:hover{text-decoration-line:underline}.dark .markdown-content_markdown__cVmKc a{--tw-text-opacity:1;color:rgb(10 132 255/var(--tw-text-opacity))}.markdown-content_markdown__cVmKc strong{--tw-text-opacity:1;color:rgb(38 38 38/var(--tw-text-opacity));font-weight:700}.dark .markdown-content_markdown__cVmKc strong{--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity))}.markdown-content_markdown__cVmKc blockquote{--tw-border-opacity:1;border-color:rgb(229 229 229/var(--tw-border-opacity));border-left-width:6px;margin-bottom:1rem}.dark .markdown-content_markdown__cVmKc blockquote{--tw-border-opacity:1;border-color:rgb(66 66 66/var(--tw-border-opacity))}.markdown-content_markdown__cVmKc blockquote>*{margin-left:1rem}.markdown-content_markdown__cVmKc blockquote *{color:#3c3c4399!important}.dark .markdown-content_markdown__cVmKc blockquote *{color:#eff2f699!important}.markdown-content_markdown__cVmKc blockquote a{--tw-text-opacity:1!important;color:rgb(10 132 255/var(--tw-text-opacity))!important}.markdown-content_markdown__cVmKc hr{border-bottom-width:2px;border-color:#0000000d;margin-bottom:1.5rem;margin-top:1.5rem}.dark .markdown-content_markdown__cVmKc hr{border-color:#f7faff1f}.markdown-content_markdown__cVmKc ins,.markdown-content_markdown__cVmKc u{color:#3c3c4399;text-decoration-line:underline}.dark .markdown-content_markdown__cVmKc ins,.dark .markdown-content_markdown__cVmKc u{color:#eff2f699}.markdown-content_markdown__cVmKc ul{--tw-text-opacity:1;color:rgb(38 38 38/var(--tw-text-opacity));font-size:1rem;line-height:1.5rem;list-style-type:disc;margin-bottom:1rem}.dark .markdown-content_markdown__cVmKc ul{--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity))}.markdown-content_markdown__cVmKc ol ol,.markdown-content_markdown__cVmKc ul ul{margin-bottom:0;margin-top:.25rem}.markdown-content_markdown__cVmKc ul ul{list-style-type:circle}.markdown-content_markdown__cVmKc ol ol{list-style-type:lower-alpha}.markdown-content_markdown__cVmKc li{margin-bottom:.25rem;margin-left:2rem}.markdown-content_markdown__cVmKc li:last-child{margin-bottom:0}.markdown-content_markdown__cVmKc li p:first-child{overflow:visible}.markdown-content_markdown__cVmKc ol{--tw-text-opacity:1;color:rgb(38 38 38/var(--tw-text-opacity));font-size:1rem;line-height:1.5rem;list-style-type:decimal;margin-bottom:1rem}.dark .markdown-content_markdown__cVmKc ol{--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity))}.markdown-content_markdown__cVmKc ol li[data-length="3"]{margin-left:42px}.markdown-content_markdown__cVmKc ol li[data-length="4"]{margin-left:52px}.markdown-content_markdown__cVmKc ol li[data-length="5"]{margin-left:62px}.markdown-content_markdown__cVmKc ol li[data-length="6"]{margin-left:72px}.markdown-content_markdown__cVmKc ol li[data-length="7"]{margin-left:82px}.markdown-content_markdown__cVmKc ol li[data-length="8"]{margin-left:92px}.markdown-content_markdown__cVmKc ol li[data-length="9"]{margin-left:102px}.markdown-content_markdown__cVmKc code,.markdown-content_markdown__cVmKc pre{color:#262626bf}.dark .markdown-content_markdown__cVmKc code,.dark .markdown-content_markdown__cVmKc pre{color:#eff1f6bf}.markdown-content_markdown__cVmKc code,.markdown-content_markdown__cVmKc pre{background-color:#000a200d;border-radius:.5rem;font-family:Menlo,sans-serif;font-size:.75rem;line-height:1.5rem}.markdown-content_markdown__cVmKc pre{border-radius:0;margin-bottom:1rem;padding:.625rem .75rem}.markdown-content_markdown__cVmKc>pre{border-radius:.5rem}.markdown-content_markdown__cVmKc code{margin:1rem .25rem;padding:.25rem}.dark .markdown-content_markdown__cVmKc code,.dark .markdown-content_markdown__cVmKc pre{background-color:#ffffff1a}.markdown-content_markdown__cVmKc pre code{background-color:initial;border-radius:0;margin:0;padding:0}.dark .markdown-content_markdown__cVmKc pre code{background-color:initial}.markdown-content_markdown__cVmKc table{--tw-text-opacity:1;border-radius:.5rem;border-style:hidden;box-shadow:0 0 0 1px #e5e5e5;color:rgb(38 38 38/var(--tw-text-opacity));margin-bottom:1.5rem}@media screen and (max-width:680px){.markdown-content_markdown__cVmKc table td,.markdown-content_markdown__cVmKc table th{padding:.4rem .6rem!important}}.dark .markdown-content_markdown__cVmKc table{--tw-border-opacity:1;--tw-text-opacity:1;border-color:rgb(74 74 74/var(--tw-border-opacity));box-shadow:0 0 0 1px #424242;color:rgb(255 255 255/var(--tw-text-opacity))}.markdown-content_markdown__cVmKc table th{--tw-border-opacity:1;background-color:#000a200d;border-color:rgb(223 223 223/var(--tw-border-opacity));border-width:1px;font-size:1rem;font-weight:500;line-height:1.5rem;padding:1rem 1.25rem}.markdown-content_markdown__cVmKc table th:first-child{border-top-left-radius:.5rem}.markdown-content_markdown__cVmKc table th:last-child{border-top-right-radius:.5rem}.dark .markdown-content_markdown__cVmKc table th{--tw-border-opacity:1!important;background-color:#ffffff1a!important;border-color:rgb(74 74 74/var(--tw-border-opacity))!important}.markdown-content_markdown__cVmKc table td{--tw-border-opacity:1;border-color:rgb(223 223 223/var(--tw-border-opacity));border-width:1px;font-size:1rem;line-height:1.5rem;padding:1rem 1.25rem}.dark .markdown-content_markdown__cVmKc table td{--tw-border-opacity:1!important;border-color:rgb(74 74 74/var(--tw-border-opacity))!important}.markdown-content_markdown__cVmKc .language-md .table{display:inline!important}.markdown-content_markdown__cVmKc .katex-html{overflow-x:auto;overflow-y:hidden}.markdown-content_markdown__cVmKc .katex{color:#262626bf;font-size:1rem!important;line-height:1.5rem!important;margin-left:2px;margin-right:2px}.dark .markdown-content_markdown__cVmKc .katex{color:#eff1f6bf}.markdown-content_markdown__cVmKc .video-container{height:0;margin-bottom:10px;padding-bottom:56.25%;position:relative}.markdown-content_markdown__cVmKc .video-container iframe{height:100%;left:0;margin:0;position:absolute;top:0;width:100%}.markdown-content_markdown__cVmKc .mermaid-render p{color:#18181b}.markdown-content_markdown__cVmKc .mermaid-render .edgeLabel p{background-color:unset!important;color:#b3b3b3}.markdown-content_markdown__cVmKc .mermaid-render .edgeLabel,.markdown-content_markdown__cVmKc .mermaid-render .labelBkg{background-color:unset!important}@keyframes ProgressChart_progressChartCircleHide__2Ajzb{0%{opacity:1}20%{opacity:1}to{opacity:0}}@keyframes ProgressChart_progressChartCircleShow__5y2gG{0%{opacity:0}80%{opacity:1}to{opacity:1}}.ProgressChart_circle__7L59v{animation:ProgressChart_progressChartCircleShow__5y2gG .4s linear both}.ProgressChart_circle__7L59v.ProgressChart_hide__F2aJw{animation:ProgressChart_progressChartCircleHide__2Ajzb .4s linear both}