.c3-dandong.dd6-accounting{background:#eef5f1!important}
.c3-dandong .dd6-books-cover{display:grid;grid-template-columns:350px minmax(0,1fr);gap:0;background:#173e3e;color:#eff8f2;margin-top:10px}
.c3-dandong .dd6-books-cover>header{padding:40px 35px;position:relative;border-right:1px solid #568681}
.c3-dandong .dd6-books-cover>header:before{content:"";width:4px;height:calc(100% - 80px);position:absolute;left:0;top:40px;background:var(--dd-gold)}
.c3-dandong .dd6-books-cover .dd6-eyebrow{color:#9dd0bf}
.c3-dandong .dd6-books-cover h1{font-size:48px;line-height:1.35;color:#f1faf5;letter-spacing:-.05em;margin:22px 0 28px}
.c3-dandong .dd6-books-cover header>p:last-child{font-size:15px;line-height:1.9;color:#b7d1c6}
.c3-dandong .dd6-books-scene{display:flex;flex-direction:column;min-width:0}
.c3-dandong .dd6-books-image{flex:1;min-height:310px;overflow:hidden}
.c3-dandong .dd6-books-image img{width:100%;height:100%;object-fit:cover;max-height:355px}
.c3-dandong .dd6-book-chain{display:flex;gap:0;list-style:none;margin:0;padding:0;background:#e6f0e7;color:#234b44}
.c3-dandong .dd6-book-chain li{flex:1;padding:19px 20px;border-right:1px solid #b7d0c2}
.c3-dandong .dd6-book-chain li:last-child{border-right:0}
.c3-dandong .dd6-book-chain b{font-size:15px;display:block}
.c3-dandong .dd6-book-chain span{font-size:11px;display:block;color:#527969;margin-top:6px}
.c3-dandong .dd6-booklets{display:flex;flex-wrap:wrap;gap:18px 16px}
.c3-dandong .dd6-booklet{flex:1 1 calc((100% - 48px)/4);min-width:0;display:flex;flex-direction:column;padding:23px 24px 0;background:#fff;border:1px solid #bdd1c4;border-left:5px solid #2e7c68;position:relative}
.c3-dandong .dd6-booklet:nth-child(4n+2){border-left-color:#b99847;background:#fbfaf3}
.c3-dandong .dd6-booklet:nth-child(4n+3){border-left-color:#58867b}
.c3-dandong .dd6-booklet:nth-child(4n+4){border-left-color:#c57862;background:#faf4ec}
.c3-dandong .dd6-booklet-tab{display:flex;align-items:center;justify-content:space-between;gap:13px;font-size:10px;color:#617c6d;padding-bottom:18px;border-bottom:1px solid #d0ded3;margin-bottom:24px}
.c3-dandong .dd6-booklet-tab>span{display:block;width:13px;height:13px;border-radius:50%;background:#b6d4c0;border:3px solid #e9f2e9}
.c3-dandong .dd6-booklet h2{font-size:21px;line-height:1.8;letter-spacing:-.03em;margin-bottom:20px}
.c3-dandong .dd6-booklet .dd6-summary{font-size:12px;color:#607869;line-height:1.95;margin-bottom:23px}
.c3-dandong .dd6-booklet-open{display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:12px;padding:17px 0;min-height:54px;border-top:1px solid #cbdacc;margin-top:auto;font-weight:700}
.c3-dandong .dd6-booklet-open>span{font-size:20px;color:var(--dd-teal)}
.c3-dandong .dd6-record-return{display:grid;grid-template-columns:1.15fr 1fr;gap:0;align-items:center;margin-top:38px;border:1px solid #bfd1c1;background:#f8faf5}
.c3-dandong .dd6-return-image{aspect-ratio:1.55;overflow:hidden}
.c3-dandong .dd6-return-image img{width:100%;height:100%;object-fit:cover}
.c3-dandong .dd6-record-return>div{padding:35px 50px}
.c3-dandong .dd6-record-return h2{font-size:32px;line-height:1.5;margin:15px 0 19px;letter-spacing:-.04em}
.c3-dandong .dd6-record-return p:last-child{font-size:14px;line-height:1.9;color:#60796a}
.c3-dandong .dd6-account-cover{padding:27px 0 0;max-width:990px}
.c3-dandong .dd6-account-cover h1{font-size:42px;line-height:1.6;letter-spacing:-.045em;margin:17px 0 22px}
.c3-dandong .dd6-account-abstract{display:grid;grid-template-columns:98px minmax(0,1fr);gap:25px;margin-top:26px;padding:24px 28px;background:#dfeee3;border-left:5px solid #91b9a2}
.c3-dandong .dd6-account-abstract>span{font-size:12px;color:#3d765c;letter-spacing:.07em;padding-top:3px;font-weight:700}
.c3-dandong .dd6-account-abstract p{font-size:16px;line-height:1.9;color:#546f5e}
.c3-dandong .dd6-account-reading{display:grid;grid-template-columns:minmax(0,1fr) 190px;grid-template-areas:"tools tools" "paper ruler";gap:22px 40px;align-items:start;margin-top:30px}
.c3-dandong .dd6-account-toolbar{grid-area:tools;display:flex;justify-content:space-between;align-items:center;gap:20px}
.c3-dandong .dd6-account-toolbar>p{font-size:12px;color:#60806c}
.c3-dandong .dd6-account-paper{grid-area:paper;min-width:0;background:#fff;padding:40px 48px 60px;border-top:3px solid #7da18c;border-bottom:1px solid #c2d3c4}
.c3-dandong .dd6-chapter-ruler{grid-area:ruler;position:sticky;top:112px;max-height:calc(100svh - 140px);overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;border-left:1px solid #8eb29c;padding:3px 0 0 18px}
.c3-dandong .dd6-chapter-meter{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 0 20px;border-bottom:1px solid #c6d9ca;margin-bottom:10px;font-size:11px;color:#60806b}
.c3-dandong .dd6-chapter-meter>div{display:flex;gap:5px}
.c3-dandong .dd6-chapter-meter button{width:38px;min-height:44px;background:#fff;color:#286a51;border:1px solid #b0cbbc;font-size:18px}
.c3-dandong .dd6-chapter-meter button:disabled{opacity:.35;cursor:default}
.c3-dandong .dd6-chapter-ruler [data-toc] a{font-size:12px;padding:9px 10px}
.c3-dandong .dd6-chapter-ruler [data-toc] a[data-depth="3"]{font-size:11px;padding-left:20px}
.c3-dandong .dd6-ruler-back{display:block;font-size:12px;color:#336a56;margin-top:24px;padding:12px 0;border-top:1px solid #b6d0c0}
@media(max-width:1050px){.c3-dandong .dd6-books-cover{grid-template-columns:300px minmax(0,1fr)}.c3-dandong .dd6-books-cover>header{padding:32px 27px}.c3-dandong .dd6-books-cover h1{font-size:43px}.c3-dandong .dd6-booklet{flex-basis:calc((100% - 32px)/3)}.c3-dandong .dd6-account-reading{grid-template-columns:minmax(0,1fr) 175px;gap:23px}.c3-dandong .dd6-account-paper{padding:32px}.c3-dandong .dd6-record-return>div{padding:30px}.c3-dandong .dd6-record-return h2{font-size:28px}}
@media(max-width:760px){.c3-dandong .dd6-books-cover{display:block;margin-top:4px}.c3-dandong .dd6-books-cover>header{padding:27px 24px;border-right:0}.c3-dandong .dd6-books-cover>header:before{top:27px;height:calc(100% - 54px)}.c3-dandong .dd6-books-cover h1{font-size:37px;line-height:1.4;margin:18px 0}.c3-dandong .dd6-books-cover h1 br{display:none}.c3-dandong .dd6-books-cover header>p:last-child{font-size:14px}.c3-dandong .dd6-books-image{min-height:0;aspect-ratio:1.7}.c3-dandong .dd6-books-image img{max-height:none}.c3-dandong .dd6-book-chain li{padding:15px 12px}.c3-dandong .dd6-book-chain b{font-size:14px}.c3-dandong .dd6-book-chain span{font-size:10px}.c3-dandong .dd6-booklet{flex-basis:calc((100% - 16px)/2);padding:20px 21px 0}.c3-dandong .dd6-booklet h2{font-size:20px}.c3-dandong .dd6-record-return{display:block}.c3-dandong .dd6-return-image{aspect-ratio:1.8}.c3-dandong .dd6-record-return>div{padding:27px}.c3-dandong .dd6-record-return h2{font-size:27px}.c3-dandong .dd6-account-cover{padding-top:10px}.c3-dandong .dd6-account-cover h1{font-size:29px;line-height:1.65}.c3-dandong .dd6-account-abstract{display:block;padding:20px 21px;margin-top:23px}.c3-dandong .dd6-account-abstract>span{display:block;margin-bottom:11px}.c3-dandong .dd6-account-abstract p{font-size:15px}.c3-dandong .dd6-account-reading{display:flex;flex-direction:column;width:100%;gap:22px;margin-top:25px}.c3-dandong .dd6-account-toolbar{display:block;margin:0 20px}.c3-dandong .dd6-account-toolbar>p{margin-top:12px}.c3-dandong .dd6-chapter-ruler{position:static;max-height:none;overflow:visible;border:1px solid #bad2c1;width:calc(100% - 40px);margin:0 20px;padding:18px 21px;background:#e0eee2}.c3-dandong .dd6-chapter-meter{padding:10px 0 15px;justify-content:start;gap:25px}.c3-dandong .dd6-chapter-meter button{width:44px}.c3-dandong .dd6-chapter-ruler [data-toc] a{font-size:13px}.c3-dandong .dd6-chapter-ruler [data-toc] a[data-depth="3"]{font-size:12px}.c3-dandong .dd6-ruler-back{margin-top:14px}.c3-dandong .dd6-account-paper{padding:30px 20px 40px;width:100%}}
@media(max-width:520px){.c3-dandong .dd6-booklets{display:block}.c3-dandong .dd6-booklet{margin-bottom:17px}.c3-dandong .dd6-booklet:last-child{margin-bottom:0}.c3-dandong .dd6-booklet-tab{margin-bottom:18px}.c3-dandong .dd6-booklet .dd6-summary{font-size:13px}.c3-dandong .dd6-booklet h2{font-size:22px}}