.material-detail { background: #f4f7fb; padding-bottom: 36px; color: #25344c; }
.material-detail .pc-layout__body { max-width: var(--pc-content-max); padding-inline: 0; }
.material-detail .pc-frame { align-items: start; }
.material-detail .md-main { display: grid; gap: 18px; min-width: 0; }
.material-detail .pc-sidebar-stack { gap: 18px; }
.md-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px 24px; margin-bottom: 20px; border: 1px solid #e0eafa; border-radius: 12px; background: linear-gradient(110deg,#eaf3ff,#f8fbff 78%); }
.md-heading h1 { margin: 10px 0 0; font-size: 27px; line-height: 1.45; font-weight: 700; color: #203756; }
.md-heading p { margin: 9px 0 0; font-size: 14px; line-height: 1.7; color: #63748c; }
.md-tags { display: flex; flex-wrap: wrap; gap: 8px; font-size: 12px; color: #506887; }
.md-tags span { border-radius: 4px; padding: 3px 8px; background: #fff9; }
.md-tags span:first-child { background: #2767b7; color: #fff; }
.md-back { flex-shrink: 0; font-size: 13px; color: #2866b3; }
.md-panel { min-width: 0; border: 1px solid #e0e7f0; border-radius: 10px; background: #fff; overflow: hidden; }
.md-section-head { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 14px; min-height: 54px; padding: 14px 20px; border-bottom: 1px solid #e9edf3; }
.md-section-head:after { content: ''; position: absolute; bottom: -1px; left: 20px; width: 42px; height: 3px; background: #29b7a5; }
.md-section-head h2 { margin: 0; font-size: 18px; line-height: 1.4; font-weight: 700; }
.md-section-head > span { color: #6b7c90; font-size: 12px; }
.md-book__identity { display: flex; align-items: center; gap: 18px; padding: 22px 22px 18px; }
.md-book__symbol { display: grid; place-items: center; width: 70px; height: 78px; flex-shrink: 0; border-radius: 10px; background: linear-gradient(135deg,#ddf5ee,#edf8f9); color: #289c91; }
.md-book__symbol .icon { width: 34px; height: 34px; }
.md-book__identity span { font-size: 12px; color: #6a7c8f; }
.md-book__identity h2 { font-size: 24px; line-height: 1.4; margin: 4px 0 6px; font-weight: 700; }
.md-book__identity p { margin: 0; font-size: 14px; color: #5c6e85; }
.md-book__facts { display: grid; grid-template-columns: 1fr 1fr; margin: 0 22px 18px; border: 1px solid #e6edf4; border-radius: 6px; overflow: hidden; }
.md-book__facts div { display: flex; gap: 12px; padding: 13px 16px; background: #f8fafd; border-bottom: 1px solid #e6edf4; }
.md-book__facts div:nth-last-child(-n+2) { border-bottom: 0; }
.md-book__facts dt { min-width: 56px; color: #728094; font-size: 13px; }
.md-book__facts dd { margin: 0; font-size: 14px; font-weight: 600; overflow-wrap: anywhere; }
.md-reading-note { margin: 0; padding: 12px 22px; background: #f1f8fb; color: #537086; font-size: 13px; line-height: 1.7; }
.md-reader__toolbar { display: flex; align-items: center; gap: 16px; padding: 12px 18px; background: #f8fafc; border-bottom: 1px solid #e5eaf1; font-size: 12px; }
.md-reader__toolbar span { flex: 1; min-width: 0; color: #64768d; overflow-wrap: anywhere; }
.md-reader__toolbar a { flex-shrink: 0; color: #2767b7; }
.md-reader__pdf { display: block; width: 100%; height: 760px; background: #e9edf2; border: 0; }
.md-reader__image { display: block; padding: 20px; background: #f8fafc; text-align: center; }
.md-reader__image img { display: block; width: auto; height: auto; max-width: 100%; margin: 0 auto; }
.md-reader__fallback { padding: 28px 22px; font-size: 15px; line-height: 1.8; }
.md-reader__fallback p { margin: 0 0 14px; }
.md-reader__fallback textarea { width: 100%; margin-top: 8px; border: 1px solid #dce5f0; padding: 10px; }
.md-excerpt { padding: 13px 20px; border-top: 1px solid #e6edf4; font-size: 13px; }
.md-excerpt summary { cursor: pointer; color: #42618a; }
.md-excerpt blockquote { margin: 12px 0 0; padding: 12px 16px; border-left: 3px solid #62b7ac; background: #f7fafc; white-space: pre-wrap; line-height: 1.8; }
.md-pages { display: flex; flex-wrap: wrap; gap: 8px; padding: 14px 18px; border-bottom: 1px solid #e6edf4; }
.md-pages a { padding: 8px 12px; font-size: 13px; border-radius: 5px; background: #f1f5fa; color: #536983; }
.md-pages a[aria-current] { background: #2767b7; color: #fff; }
.md-aside-body { padding: 17px 18px; }
.md-publisher { margin: 0 0 16px; }
.md-publisher span { display: block; color: #77869a; font-size: 12px; margin-bottom: 7px; }
.md-publisher strong { font-size: 16px; line-height: 1.6; }
.md-facts { display: grid; gap: 12px; margin: 0 0 18px; font-size: 13px; }
.md-facts div { display: flex; justify-content: space-between; gap: 12px; }
.md-facts dt { color: #738297; }
.md-facts dd { margin: 0; }
.md-download { display: block; padding: 11px 8px; border-radius: 6px; color: #fff; background: #286bbe; text-align: center; font-size: 14px; font-weight: 600; }
.md-download:hover { background: #17569e; color: #fff; }
.md-source-link { display: block; text-align: center; font-size: 13px; color: #426991; margin-top: 13px; }
.md-aside-links { padding: 4px 18px; }
.md-aside-links a { display: block; padding: 14px 0; border-bottom: 1px solid #edf0f5; }
.md-aside-links a:last-child { border-bottom: 0; }
.md-aside-links span { display: block; margin-bottom: 5px; font-size: 12px; color: #76869a; }
.md-aside-links strong { font-size: 14px; line-height: 1.6; font-weight: 500; }
.md-tip { background: #eaf6f3; border: 1px solid #d9ede7; border-radius: 10px; padding: 18px; }
.md-tip strong { font-size: 15px; color: #2d796d; }
.md-tip p { font-size: 13px; line-height: 1.9; color: #52786e; margin: 8px 0 0; }
.md-related { display: grid; grid-template-columns: 1fr 1fr; padding: 4px 20px; column-gap: 24px; }
.md-related a { display: grid; gap: 6px; padding: 15px 0; border-bottom: 1px solid #edf0f5; }
.md-related span,.md-related small { font-size: 12px; color: #73859c; }
.md-related strong { font-size: 15px; font-weight: 500; line-height: 1.6; }
.material-detail a:focus-visible,.material-detail summary:focus-visible { outline: 2px solid #246fe5; outline-offset: 4px; }
@media (max-width: 1200px) { .md-book__facts div { padding: 12px; } }
@media (max-width: 900px) { .md-heading { align-items: start; } .md-heading h1 { font-size: 24px; } .md-back { display: none; } }
@media (max-width: 600px) { .material-detail .pc-layout__body { padding-inline: 14px; } .md-book__facts { grid-template-columns: 1fr; } .md-book__facts div:nth-last-child(2) { border-bottom: 1px solid #e6edf4; } .md-reader__toolbar { flex-wrap: wrap; } .md-reader__toolbar span { flex-basis: 100%; } .md-reader__pdf { height: 580px; } .md-related { grid-template-columns: 1fr; } }

/* 站内整理的真题与考情分析 */
.sp-overview, .sp-body { padding: 16px 22px; color: #34495e; font-size: 15px; line-height: 1.85; }
.sp-body h3, .sp-section h3 { margin: 16px 0 8px; font-size: 17px; color: #243a54; }
.sp-body ol, .sp-body ul { margin: 0; padding-left: 22px; }
.sp-structure { width: 100%; border-collapse: collapse; font-size: 14px; }
.sp-structure th, .sp-structure td { padding: 8px 12px; border: 1px solid #e3e9f1; text-align: left; vertical-align: top; }
.sp-structure th { background: #f5f8fc; color: #50647a; font-weight: 600; }
.sp-chapters { margin: 0; border-left: 0; border-right: 0; }
.sp-note, .sp-instructions { margin: 10px 0 0; color: #6d7e90; font-size: 13px; }
.sp-section { padding: 4px 22px 18px; border-top: 1px solid #edf1f6; }
.sp-material { margin: 10px 0; padding: 12px 16px; border-left: 3px solid #9cb8dc; background: #f6f9fd; white-space: pre-wrap; font-size: 14px; line-height: 1.8; }
.sp-question { padding: 14px 0; border-bottom: 1px dashed #e3e9f1; }
.sp-question:last-child { border-bottom: 0; }
.sp-stem { margin: 0; font-size: 15px; line-height: 1.85; color: #243a54; white-space: pre-wrap; }
.sp-stem em { font-style: normal; color: #8a97a6; font-size: 13px; }
.sp-no { margin-right: 6px; font-weight: 700; color: #175bb0; }
.sp-options { margin: 6px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 20px; font-size: 14px; color: #3d5266; }
.sp-answer { margin-top: 8px; }
.sp-answer summary { cursor: pointer; color: #175bb0; font-size: 13px; }
.sp-answer p, .sp-points { margin: 6px 0 0; font-size: 14px; line-height: 1.8; color: #34495e; }
.sp-answer b { display: inline-block; margin-right: 8px; padding: 0 6px; border-radius: 4px; background: #eef4ff; color: #175bb0; font-size: 12px; font-weight: 600; }
.sp-key { white-space: pre-wrap; }
.sp-points { padding-left: 20px; }
.sp-frequency { margin: 0; padding: 8px 22px 16px 42px; }
.sp-frequency li { padding: 10px 0; border-bottom: 1px dashed #e3e9f1; font-size: 14px; color: #3d5266; }
.sp-frequency li > div { display: flex; justify-content: space-between; gap: 12px; }
.sp-frequency strong { color: #243a54; font-size: 15px; }
.sp-frequency span { color: #8a5a00; font-size: 13px; white-space: nowrap; }
.sp-frequency p { margin: 4px 0 0; }
.sp-exams a, .sp-exams span { margin-right: 10px; font-size: 13px; }
.sp-links { display: flex; flex-wrap: wrap; gap: 8px; padding: 14px 20px; }
.sp-links a, .sp-links span { padding: 6px 12px; border: 1px solid #dce5ef; border-radius: 6px; font-size: 14px; color: #315576; }
.sp-links span[aria-current] { background: #175bb0; border-color: #175bb0; color: #fff; }
.sp-links__guide { background: #fff8e8; border-color: #f1d9a7 !important; color: #6f5320 !important; font-weight: 600; }
.sp-revised { margin-top: 6px; padding: 8px 10px; border-radius: 6px; background: #fff7ec; color: #8a5a2b; font-size: 12px; line-height: 1.6; white-space: pre-wrap; }