/* 18.0.51: shared artwork, direct navigation, membership cards and member space. */
.kaaa51-art{display:block;position:relative;overflow:hidden;isolation:isolate;aspect-ratio:4/3;width:100%;background:#e6e1d8}
.kaaa51-art>img{position:absolute!important;top:0!important;left:0!important;width:300%!important;height:200%!important;max-width:none!important;object-fit:fill!important;transform:none!important;margin:0!important;border-radius:0!important}
.kaaa51-art[data-cell="1"]>img,.kaaa51-art[data-cell="4"]>img{left:-100%!important}
.kaaa51-art[data-cell="2"]>img,.kaaa51-art[data-cell="5"]>img{left:-200%!important}
.kaaa51-art[data-cell="3"]>img,.kaaa51-art[data-cell="4"]>img,.kaaa51-art[data-cell="5"]>img{top:-100%!important}
.v51-entry-routes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:30px 0 0}
.v51-entry-card{display:block;overflow:hidden;border:1px solid #dce2e8;border-radius:12px;background:#fff;color:#263d5a;text-decoration:none;transition:box-shadow .2s,border-color .2s}
.v51-entry-card:hover{border-color:#8195ae;box-shadow:0 10px 32px #1b355417}
.v51-entry-card:focus-visible{outline:3px solid #6d86b0;outline-offset:4px}
.v51-entry-copy{display:grid;gap:7px;padding:24px;position:relative}
.v51-entry-copy>strong{font-size:1.45rem;font-weight:620;letter-spacing:-.025em;line-height:1.4}
.v51-entry-copy>span{font-size:.9375rem;line-height:1.65;color:#4a607b;padding-right:16px}
.v51-entry-copy>small{font-size:.75rem;color:#6b7d91;line-height:1.6}
.v51-entry-copy>b{position:absolute;right:22px;top:25px;font-size:22px;font-weight:400}
.kaaa-v17 .v51-organisation-link{font-size:.8125rem;line-height:1.8;text-align:right;color:#637186;margin:18px 0 0}
.v51-organisation-link a{text-decoration:underline;text-underline-offset:4px;margin-left:8px;color:#345677}
.kaaa-v17 #membership .v51-member-return{display:flex;align-items:center;gap:18px;padding:24px 28px;border-radius:12px;border:1px solid #bccbdf;background:#eaf0f7;color:#243e60;text-decoration:none;margin:0 0 42px}
.v51-return-symbol{font-size:24px;flex-shrink:0}
.v51-member-return>span:nth-child(2){display:grid;gap:5px}
.v51-member-return strong{font-size:1.0625rem;font-weight:620}
.v51-member-return>span:nth-child(2)>span{font-size:.875rem;line-height:1.7;color:#516884}
.v51-member-return>b{margin-left:auto;white-space:nowrap;font-size:.9375rem;font-weight:650;padding:10px 0}
.v51-member-return:hover,.v51-member-return:focus-visible{outline:2px solid #6e86a5;outline-offset:3px}
.kaaa-v17 .v51-membership-heading{margin:0 0 32px}
.kaaa-v17 .v51-membership-heading h2{font-size:clamp(1.8rem,3vw,2.65rem);font-weight:590;line-height:1.4;letter-spacing:-.035em;color:#2c405d;margin:10px 0 16px}
.kaaa-v17 .v51-membership-heading>p{font-size:1rem;color:#5c6e84;line-height:1.85;max-width:55em;margin:0 0 8px}
.kaaa-v17 .v51-membership-heading>span:not(.v48-eyebrow){display:block;font-size:.9375rem;color:#405674;line-height:1.8}
.kaaa-v17 .v51-membership-heading>.v44-directory-link{font-size:.8125rem;margin-top:12px;display:inline-block}
.kaaa-v17 #membership .v51-member-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin:0 0 24px;align-items:stretch}
.kaaa-v17 #membership .v51-member-choice{display:flex;flex-direction:column;text-align:left;padding:0;overflow:hidden;border:1px solid #cdd6e1;border-radius:12px;background:#fff;box-shadow:none;cursor:pointer;color:#263e5d}
.kaaa-v17 #membership .v51-member-choice>.kaaa51-art{display:block;flex-shrink:0;aspect-ratio:4/3}
.kaaa-v17 #membership .v51-member-choice:hover{border-color:#8098b5;box-shadow:0 8px 26px #20385412}
.kaaa-v17 #membership .v51-member-choice[aria-selected=true]{border-color:#304f76;box-shadow:0 0 0 2px #304f76}
.kaaa-v17 #membership .v51-member-copy{display:flex;flex-direction:column;gap:10px;padding:26px;width:100%;flex:1;min-width:0}
.kaaa-v17 .v51-member-copy>small{font-size:.8125rem;color:#697c92;line-height:1.6}
.kaaa-v17 .v51-member-copy>b{font-size:1.9rem;font-weight:600;line-height:1.3;letter-spacing:-.035em}
.kaaa-v17 .v51-member-label{font-size:.875rem;color:#69778a;line-height:1.6}
.kaaa-v17 .v51-member-copy>.v18-member-price{font-size:1.18rem;font-weight:600;margin:7px 0 0;line-height:1.55;color:#2c4260}
.kaaa-v17 .v51-member-highlight{font-size:.9375rem;font-weight:550;color:#365d8d;line-height:1.7}
.kaaa-v17 .v51-member-description{font-size:.8125rem;line-height:1.75;color:#607389;min-height:3.5em}
.kaaa-v17 .v51-member-copy>.v18-member-selection{display:flex;align-items:center;gap:7px;margin-top:auto;padding:13px 15px;background:#edf2f8;color:#2d4c73;border-radius:6px;font-size:.875rem;font-weight:550;line-height:1.5;min-height:47px}
.kaaa-v17 .v51-member-choice[aria-selected=true] .v18-member-selection{background:#2d4c73;color:#fff}
.kaaa-v17 .v51-member-copy .v18-member-selection i{display:none;font-style:normal}
.kaaa-v17 .v51-member-choice[aria-selected=true] .v18-member-selection i{display:inline}
.kaaa-v17 .v51-member-copy .v18-member-selection em{display:none}
.v51-mobile-nav{display:none}
.v51-course-visual{aspect-ratio:4/3!important;max-height:none!important}
.c39-card .v51-course-visual{aspect-ratio:4/3!important;max-height:none!important}
.v51-course-visual .kaaa51-art{height:100%}
.c39-reader .c39-detail-intro>.v51-course-visual{display:block;max-width:520px;margin-inline:auto;width:100%}
.v51-course-search{display:grid;gap:10px;margin:25px 0;color:#2f4766;font-weight:550;font-size:1rem}
.v51-course-search input{width:100%;background:white;border:1px solid #bdcce0;border-radius:9px;min-height:52px;padding:12px 17px;font:inherit;color:#2e4563;font-size:16px}
.v51-course-search input:focus-visible{outline:3px solid #98afd0;outline-offset:2px}
.c39-filters{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.c39-filters>button{font-size:13px;font-weight:500;min-height:42px;padding:8px 12px}
.c39-card[hidden],.v51-course-empty[hidden]{display:none!important}
.v51-course-empty{padding:30px;background:#edf2f8;border-radius:9px;line-height:1.8}
.v51-course-header-actions{display:flex;align-items:center;flex-wrap:wrap;gap:15px}
.v51-space-link{font-size:13px;font-weight:600;background:#2c4667;color:white;padding:11px 15px;min-height:44px;display:inline-flex;align-items:center;border-radius:6px;text-decoration:none}
.m51-shortcuts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:24px 0 30px}
.m51-shortcuts a{display:flex;flex-direction:column;gap:6px;padding:20px;background:white;border:1px solid #cfdae6;border-radius:10px;text-decoration:none;color:#304c70;min-width:0}
.m51-shortcuts a:hover{border-color:#768fb0;background:#f1f5fa}
.m51-shortcuts small{font-size:11px;letter-spacing:.08em;color:#8a99af}
.m51-shortcuts strong{font-size:17px;font-weight:600}
.m51-shortcuts span{font-size:12px;color:#64778f;line-height:1.7}
.m51-device-settings{margin-top:28px;border-top:1px solid #d3deeb;padding-top:18px}
.m51-device-settings>summary{cursor:pointer;font-size:14px;color:#516682;line-height:1.8}
.m51-device-settings .m37-device{margin-top:16px}
.m51-member-help{margin-top:26px;font-size:14px;line-height:1.9}
.m51-member-help a{color:#345e8d}
.m37-main h1{font-weight:570}
.m37-main h2{font-weight:600}
.m37-main #m38-records-title,.m37-main #m37-chat-title,.m37-main #m51-education-title{scroll-margin-top:25px}
.m37-intro figure>.kaaa51-art{width:100%;aspect-ratio:4/3}
@font-face{font-family:"KAAA Noto Sans SC";src:url(fonts/NotoSansSC-site.woff2) format("woff2");font-weight:100 900;font-display:swap}
html[lang="zh-Hans"] body,html[lang="zh-Hans"] .c39-page{font-family:"KAAA Noto Sans SC",Pretendard,"PingFang SC","Microsoft YaHei",sans-serif}
@media(max-width:900px){
 .v51-entry-routes{gap:16px}
 .v51-entry-copy{padding:20px}.v51-entry-copy>strong{font-size:1.25rem}
 .kaaa-v17 #membership .v51-member-tabs{gap:14px}
 .kaaa-v17 #membership .v51-member-copy{padding:20px}
 .m51-shortcuts{grid-template-columns:repeat(2,minmax(0,1fr))}
 .c39-reader .c39-detail-intro>.v51-course-visual{max-width:520px}
}
@media(max-width:740px){
 .v51-entry-routes{grid-template-columns:1fr;gap:14px;margin-top:24px}
 .v51-entry-card{display:grid;grid-template-columns:110px minmax(0,1fr)}
 .v51-entry-card>.kaaa51-art{align-self:center;width:110px;aspect-ratio:4/3}
 .v51-entry-copy{padding:18px 17px;gap:5px}.v51-entry-copy>strong{font-size:1.1rem;padding-right:12px}.v51-entry-copy>span{font-size:.8125rem;padding-right:0}.v51-entry-copy>small{font-size:.6875rem}
 .v51-entry-copy>b{right:14px;top:16px;font-size:18px}
 .kaaa-v17 .v51-organisation-link{text-align:left;font-size:.75rem}
 .kaaa-v17 #membership .v51-member-return{flex-wrap:wrap;padding:21px;margin-bottom:30px;gap:10px}
 .v51-member-return>.v51-return-symbol{display:none}
 .v51-member-return>b{margin-left:0;font-size:.875rem}
 .kaaa-v17 .v51-membership-heading h2{font-size:1.8rem;line-height:1.45}
 .kaaa-v17 .v51-membership-heading>p{font-size:.9375rem}
 .kaaa-v17 #membership .v51-member-tabs{grid-template-columns:1fr;gap:20px}
 .kaaa-v17 #membership .v51-member-choice{display:grid;grid-template-columns:120px minmax(0,1fr);align-items:start}
 .kaaa-v17 #membership .v51-member-choice>.kaaa51-art{margin-top:22px;width:120px}
 .kaaa-v17 #membership .v51-member-copy{padding:20px 18px;gap:6px}
 .kaaa-v17 .v51-member-copy>b{font-size:1.5rem}
 .kaaa-v17 .v51-member-copy>.v18-member-price{font-size:1.0625rem;margin-top:5px}
 .kaaa-v17 .v51-member-highlight{font-size:.8125rem}
 .kaaa-v17 .v51-member-description{font-size:.75rem;min-height:0}
 .kaaa-v17 .v51-member-copy>.v18-member-selection{font-size:.8125rem;padding:10px;margin-top:7px}
 .v51-mobile-nav{position:fixed;bottom:0;left:0;right:0;z-index:10000;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;background:#fffffff7;border-top:1px solid #c6d3e2;box-shadow:0 -3px 15px #223a5310;padding:5px 12px max(5px,env(safe-area-inset-bottom));backdrop-filter:blur(12px)}
 .v51-mobile-nav a{display:flex;align-items:center;justify-content:center;min-height:46px;padding:8px 4px;font-size:12px;color:#526b88;text-decoration:none;line-height:1.5;text-align:center;border-radius:6px}
 .v51-mobile-nav a.v51-my{color:#fff;background:#2d496c;font-weight:600}
 body:has(.v51-mobile-nav){padding-bottom:75px}
 .c39-footer,.m37-footer{padding-bottom:36px}
 .m51-shortcuts{gap:10px}.m51-shortcuts a{padding:16px}.m51-shortcuts strong{font-size:15px}
 .m37-entry>.m37-auth{grid-row:1}.m37-entry>.m37-intro{grid-row:2}
 .m37-intro h1{font-size:26px}.m37-intro figure{display:block;max-width:250px}
 .v51-course-header-actions{width:100%;justify-content:space-between;gap:8px}
 .c39-filters{flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px}.c39-filters>button{flex-shrink:0;white-space:nowrap}
}
@media(max-width:359px){
 .v51-entry-card{grid-template-columns:90px minmax(0,1fr)}.v51-entry-card>.kaaa51-art{width:90px}.v51-entry-copy{padding:16px 12px}
 .kaaa-v17 #membership .v51-member-choice{grid-template-columns:94px minmax(0,1fr)}.kaaa-v17 #membership .v51-member-choice>.kaaa51-art{width:94px}
 .kaaa-v17 #membership .v51-member-copy{padding:18px 14px}
}
@media(prefers-reduced-motion:reduce){.v51-entry-card{transition:none}}

.m51-card-art{margin-top:20px;max-width:310px;border-radius:8px;overflow:hidden}

@media(max-width:740px){
 .kaaa-v17 #membership .v51-member-choice{display:block;position:relative}
 .kaaa-v17 #membership .v51-member-choice>.kaaa51-art{position:absolute;left:18px;top:22px;margin:0;width:108px;border-radius:6px}
 .kaaa-v17 #membership .v51-member-copy{padding:22px;gap:8px}
 .kaaa-v17 .v51-member-copy>small,.kaaa-v17 .v51-member-copy>b,.kaaa-v17 .v51-member-copy>.v51-member-label{margin-left:122px}
 .kaaa-v17 .v51-member-copy>.v51-member-label{min-height:26px}
 .kaaa-v17 .v51-member-copy>.v18-member-price{border-top:1px solid #e1e7ee;padding-top:16px;margin-top:8px}
 .kaaa-v17 .v51-member-copy>.v18-member-selection{margin-top:10px}
}
@media(max-width:359px){
 .kaaa-v17 #membership .v51-member-choice>.kaaa51-art{width:84px;left:16px}
 .kaaa-v17 #membership .v51-member-copy{padding:20px 16px}
 .kaaa-v17 .v51-member-copy>small,.kaaa-v17 .v51-member-copy>b,.kaaa-v17 .v51-member-copy>.v51-member-label{margin-left:98px}
}

/* 18.0.52: private membership terms use the same member space. */
.m51-shortcuts{grid-template-columns:repeat(auto-fit,minmax(165px,1fr))}.m52-terms{margin:26px 0 32px;scroll-margin-top:24px}.m52-heading h2{font-size:24px;margin:8px 0}.m52-heading>p{font-size:14px;color:#65788d;line-height:1.8}.m52-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:18px}.m52-card{border:1px solid #c6d3e2;border-radius:12px;background:linear-gradient(145deg,#f8fafc,#fff);padding:25px}.m52-card-top{display:flex;align-items:center;justify-content:space-between;gap:14px}.m52-card-top strong{font-size:25px;font-weight:580;color:#2e4769}.m52-card-top>span{font-size:12px;padding:6px 11px;background:#e6edf5;border-radius:6px;color:#415f83}.m52-courtesy{color:#886e40;font-size:14px;margin:9px 0 18px}.m52-card dl{margin:0}.m52-card dl>div{display:grid;grid-template-columns:145px minmax(0,1fr);gap:10px;border-top:1px solid #dce4ee;padding:12px 0;line-height:1.8;font-size:14px}.m52-card dt{color:#687e95}.m52-card dd{margin:0;color:#2b4360;font-weight:500;overflow-wrap:anywhere}.m52-note{padding:16px;background:#edf3f8;border-radius:8px;font-size:14px;line-height:1.9;color:#3e5d80}.m37-main #m52-terms-title{scroll-margin-top:25px}
@media(max-width:740px){.m51-shortcuts{grid-template-columns:repeat(2,minmax(0,1fr))}.m52-card{padding:20px}.m52-card dl>div{grid-template-columns:1fr;gap:2px}.m52-card-top strong{font-size:22px}}

@media(max-width:640px){.m51-shortcuts a:nth-child(5):last-child{grid-column:1/-1;display:grid;grid-template-columns:auto 1fr;gap:3px 13px;padding:12px 16px}.m51-shortcuts a:nth-child(5):last-child small{grid-row:1/3;align-self:center}.m51-shortcuts a:nth-child(5):last-child span{grid-column:2}}