.achievement-preview {
  --achievement-ink: #1b1712;
  --achievement-muted: #6f675f;
  --achievement-gold: #a97d37;
  --achievement-line: rgba(70, 58, 43, 0.18);
  color: var(--achievement-ink);
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.88), rgba(246, 240, 229, 0.38) 34%, rgba(246, 240, 229, 0) 68%),
    #f5efe4;
  padding-top: clamp(48px, 5vw, 76px);
  padding-bottom: clamp(44px, 5vw, 72px);
}

.achievement-preview-heading {
  text-align: center;
  margin: 0 auto clamp(22px, 2vw, 32px);
}

.achievement-preview-heading h2 {
  margin: 0;
  font-size: clamp(34px, 3.5vw, 56px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: 0.04em;
}

.achievement-preview-rule {
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(360px, 54vw);
  margin: 14px auto 16px;
}

.achievement-preview-rule::before,
.achievement-preview-rule::after {
  content: "";
  height: 1px;
  flex: 1;
  background: linear-gradient(90deg, transparent, rgba(169, 125, 55, 0.64));
}

.achievement-preview-rule::after {
  background: linear-gradient(90deg, rgba(169, 125, 55, 0.64), transparent);
}

.achievement-preview-rule span {
  width: 9px;
  height: 9px;
  margin: 0 16px;
  border-radius: 50%;
  background: var(--achievement-gold);
}

.achievement-preview-heading p {
  margin: 0;
  color: var(--achievement-muted);
  font-size: clamp(17px, 1.35vw, 22px);
  letter-spacing: 0.08em;
}

.achievement-preview-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--achievement-line);
  background: rgba(255, 252, 246, 0.56);
}

.achievement-preview-column {
  display: flex;
  min-height: 500px;
  flex-direction: column;
  padding: clamp(22px, 2.2vw, 32px);
}

.achievement-preview-column + .achievement-preview-column {
  border-left: 1px solid var(--achievement-line);
}

.achievement-preview-column-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  min-height: 78px;
  margin-bottom: 12px;
}

.achievement-preview-column-head > span {
  color: var(--achievement-gold);
  font-size: clamp(34px, 3vw, 48px);
  line-height: 0.95;
  font-variant-numeric: tabular-nums;
}

.achievement-preview-column-head > div {
  padding-left: 14px;
  border-left: 1px solid var(--achievement-line);
}

.achievement-preview-column h3 {
  margin: 0 0 6px;
  font-size: clamp(22px, 1.8vw, 30px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: 0.03em;
}

.achievement-preview-column-head p {
  margin: 0;
  color: var(--achievement-muted);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.achievement-preview-timeline {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 4px 0 0;
}

.achievement-preview-timeline::before {
  display: none;
}

.achievement-preview-timeline > div,
.achievement-preview-timeline > a {
  display: block;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--achievement-line);
}

.achievement-preview-timeline > a,
.achievement-preview-books > a {
  color: inherit;
  text-decoration: none;
}

.achievement-preview-timeline > a:hover h4,
.achievement-preview-books > a:hover h4 {
  color: var(--achievement-gold);
}

.achievement-preview-timeline > a:focus-visible,
.achievement-preview-books > a:focus-visible {
  outline: 1px solid var(--achievement-gold);
  outline-offset: 4px;
}

.achievement-preview-timeline time {
  display: block;
  margin-bottom: 3px;
  color: var(--achievement-gold);
  font-size: 14px;
  line-height: 1.4;
  font-variant-numeric: tabular-nums;
}

.achievement-preview-timeline h4,
.achievement-preview-books h4 {
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.35;
}

.achievement-preview-books .book-role {
  color: var(--achievement-muted);
  font-size: 12px;
  font-weight: 400;
  white-space: nowrap;
}

.achievement-preview-timeline p,
.achievement-preview-books p,
.achievement-preview-honors span {
  margin: 0;
  color: var(--achievement-muted);
  font-size: 14px;
  line-height: 1.45;
}

.achievement-preview-books {
  display: grid;
  gap: 12px;
}

.achievement-preview-books > a {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 12px;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--achievement-line);
}

.achievement-preview-books img {
  display: block;
  width: 68px;
  height: 88px;
  object-fit: cover;
  box-shadow: 0 16px 24px rgba(47, 37, 24, 0.14);
}

.achievement-preview-honors {
  display: grid;
  gap: 0;
}

.achievement-preview-honors p {
  position: relative;
  margin: 0;
  padding: 0 0 12px;
  border-bottom: 1px solid var(--achievement-line);
}

.achievement-preview-honors p + p {
  padding-top: 12px;
}

.achievement-preview-honors p::before {
  display: none;
}

.achievement-preview-honors p + p::before {
  display: none;
}

.achievement-preview-honors strong {
  display: block;
  margin-bottom: 4px;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.45;
}

.achievement-preview-honors span {
  display: block;
}

.achievement-preview-link {
  position: relative;
  top: 5mm;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 48px;
  margin-top: auto;
  border: 1px solid var(--achievement-line);
  color: #8d6328;
  background: rgba(255, 250, 241, 0.68);
  font-size: 15px;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.achievement-preview-link:hover {
  border-color: rgba(169, 125, 55, 0.5);
  background: rgba(255, 247, 232, 0.9);
}

.achievement-preview-quote {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  margin: 22px 0 0;
  padding: clamp(18px, 2vw, 26px) clamp(22px, 3vw, 42px);
  border: 1px solid var(--achievement-line);
  background: rgba(255, 252, 246, 0.56);
}

.achievement-preview-quote > span {
  color: var(--achievement-gold);
  font-size: 56px;
  line-height: 0.8;
}

.achievement-preview-quote p {
  margin: 0;
  color: #3e3933;
  font-size: clamp(16px, 1.35vw, 22px);
  line-height: 1.45;
  letter-spacing: 0.04em;
}

.achievement-preview-quote cite {
  color: #4f473f;
  font-size: 15px;
  font-style: normal;
  white-space: nowrap;
}

@media (max-width: 1180px) {
  .achievement-preview-panel {
    grid-template-columns: 1fr;
  }

  .achievement-preview-column {
    min-height: auto;
  }

  .achievement-preview-column + .achievement-preview-column {
    border-left: 0;
    border-top: 1px solid var(--achievement-line);
  }
}

@media (max-width: 720px) {
  .achievement-preview {
    padding-right: 22px;
    padding-left: 22px;
  }

  .achievement-preview-column {
    padding: 24px 18px;
  }

  .achievement-preview-column-head,
  .achievement-preview-timeline > div,
  .achievement-preview-timeline > a,
  .achievement-preview-books > a,
  .achievement-preview-quote {
    grid-template-columns: 1fr;
  }

  .achievement-preview-column-head > div {
    padding-left: 0;
    border-left: 0;
  }

  .achievement-preview-timeline::before {
    display: none;
  }

  .achievement-preview-books > a {
    gap: 12px;
  }

  .achievement-preview-books img {
    width: 78px;
    height: 100px;
  }

  .achievement-preview-quote {
    gap: 12px;
  }
}

/* 预览页收尾栏与首页保持同一结构、尺寸和视觉层级。 */
.about-v3-page .achievement-preview {
  padding-bottom: 0;
}

.about-v3-page .achievement-preview-link {
  border: 0;
  background: transparent;
}

.about-v3-page .achievement-preview-ending {
  width: 100vw;
  max-width: none;
  min-height: 0;
  margin: 0 0 0 calc(50% - 50vw);
  padding: 0;
  border: 0;
  background: #171a17;
  box-sizing: border-box;
}

.about-v3-page .achievement-preview-ending .dark-contact-inner {
  display: flex;
  width: 100%;
  min-height: clamp(150px, 15vw, 220px);
  box-sizing: border-box;
  flex-direction: column;
  justify-content: space-between;
    padding: clamp(30px, 3.2vw, 52px) 7vw 30px;
  border-radius: 0;
  background: #171a17;
  box-shadow: none;
  color: #fffaf1;
}

.about-v3-page .achievement-preview-ending .dark-contact-copy {
  width: 100%;
  max-width: none;
  margin: 0;
  text-align: left;
}

.about-v3-page .achievement-preview-ending h2 {
  width: auto;
  max-width: 1100px;
  margin: 10px 0 0;
  color: #fffaf1;
  font-family: var(--serif);
  font-size: clamp(22px, 2.1vw, 36px);
  font-weight: 400;
  line-height: 1.28;
  letter-spacing: 0;
  text-align: left;
}

.about-v3-page .achievement-preview-ending .dark-contact-bottom {
  display: flex;
  width: 100%;
  margin-top: auto;
  align-items: baseline;
  justify-content: space-between;
  gap: 32px;
}

.about-v3-page .achievement-preview-ending .dark-contact-bottom p,
.about-v3-page .achievement-preview-ending .dark-contact-bottom a {
  margin: 0;
  color: #fffaf1;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
}

.about-v3-page .achievement-preview-ending .dark-contact-nav {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 0 28px;
}

@media (max-width: 820px) {
  .about-v3-page .achievement-preview-ending {
    width: 100vw;
    margin-left: calc(50% - 50vw);
  }

  .about-v3-page .achievement-preview-ending .dark-contact-inner {
    min-height: 140px;
      padding: 30px 24px 26px;
  }

  .about-v3-page .achievement-preview-ending h2 {
    margin: 10px 0 0;
    font-size: 23px;
    line-height: 1.28;
  }

  .about-v3-page .achievement-preview-ending .dark-contact-bottom {
    align-items: center;
    gap: 28px;
  }

  .about-v3-page .achievement-preview-ending .dark-contact-nav {
    gap: 0 18px;
  }
}

/* 收尾栏宽屏修正：覆盖旧版 about-shell 的 92vw 限制，背景铺到浏览器两侧。 */
.about-v3-page .achievement-preview-ending {
  width: 100vw !important;
  max-width: none !important;
  margin-top: clamp(28px, 3vw, 52px) !important;
  margin-left: calc(50% - 50vw) !important;
  margin-right: 0 !important;
}

.about-v3-page .achievement-preview-ending .dark-contact-inner {
  min-height: clamp(105px, 10.5vw, 154px) !important;
  position: relative;
  padding: clamp(34px, 3.2vw, 52px) 7vw 30px !important;
}

.about-v3-page .achievement-preview-ending .dark-contact-bottom {
  position: absolute;
  right: 7vw;
  bottom: 30px;
  left: 7vw;
  width: auto;
  margin-top: 0;
}

@media (max-width: 820px) {
  .about-v3-page .achievement-preview-ending .dark-contact-inner {
    min-height: 154px !important;
    padding: 30px 24px 26px !important;
  }

  .about-v3-page .achievement-preview-ending .dark-contact-bottom {
    right: 24px;
    bottom: 26px;
    left: 24px;
  }
}

/* 最终覆盖：收尾栏固定高度，底部品牌与导航始终贴近黑色区域下沿。 */
.about-v3-page .achievement-preview-ending {
  height: clamp(245px, 20vw, 350px) !important;
  min-height: 0 !important;
  overflow: hidden;
}

.about-v3-page .achievement-preview-ending .dark-contact-inner {
  height: 100% !important;
  min-height: 0 !important;
  padding: clamp(34px, 3.2vw, 52px) 7vw 30px !important;
}

@media (max-width: 820px) {
  .about-v3-page .achievement-preview-ending {
    height: 220px !important;
  }

  .about-v3-page .achievement-preview-ending .dark-contact-inner {
    height: 100% !important;
    padding: 30px 24px 26px !important;
  }
}

/* 桌面端三栏统一撑满同一行，底部入口保持同一水平线。 */
@media (min-width: 1181px) {
  .about-v3-page .achievement-preview-panel {
    align-items: stretch;
  }

  .about-v3-page .achievement-preview-column {
    align-self: stretch;
    min-height: 500px;
  }

  .about-v3-page .achievement-preview-link {
    margin-top: auto;
  }

  .about-v3-page .achievement-preview-timeline,
  .about-v3-page .achievement-preview-books,
  .about-v3-page .achievement-preview-honors {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 0;
  }
}

/* 最末覆盖：底部品牌与导航固定在收尾栏下沿附近，避免被旧版定位规则抬高。 */
.about-v3-page .achievement-preview-ending .dark-contact-bottom {
  top: auto !important;
  bottom: 14px !important;
  left: 7vw !important;
  right: 7vw !important;
  margin: 0 !important;
  transform: none !important;
}

@media (max-width: 820px) {
  .about-v3-page .achievement-preview-ending .dark-contact-bottom {
    bottom: 14px !important;
    left: 24px !important;
    right: 24px !important;
  }
}

/* 收尾引文：居中显示，并略微收小字号。 */
.about-v3-page .achievement-preview-ending .dark-contact-copy {
  text-align: center !important;
}

.about-v3-page .achievement-preview-ending h2 {
  max-width: none !important;
  margin-left: auto !important;
  margin-right: auto !important;
  font-size: clamp(20px, 1.75vw, 30px) !important;
  text-align: center !important;
}

/* 本页收尾栏只保留引文，删除引文下方的品牌与导航区域。 */
.about-v3-page .achievement-preview-ending {
  height: auto !important;
  min-height: 0 !important;
}

.about-v3-page .achievement-preview-ending .dark-contact-inner {
  height: auto !important;
  min-height: 0 !important;
  padding: clamp(54px, 5vw, 82px) 7vw clamp(24px, 2.2vw, 34px) !important;
}

.about-v3-page .achievement-preview-ending .dark-contact-bottom {
  display: none !important;
}

@media (max-width: 820px) {
  .about-v3-page .achievement-preview-ending .dark-contact-inner {
    padding: 42px 24px 24px !important;
  }
}

/* 保留底部三项，并让它们成为黑色收尾栏的最下沿内容。 */
.about-v3-page .achievement-preview-ending {
  height: clamp(220px, 15vw, 300px) !important;
  min-height: 0 !important;
}

.about-v3-page .achievement-preview-ending .dark-contact-inner {
  height: 100% !important;
  min-height: 0 !important;
  padding: clamp(42px, 4vw, 64px) 7vw 0 !important;
}

.about-v3-page .achievement-preview-ending .dark-contact-bottom {
  display: flex !important;
  bottom: 0 !important;
}

@media (max-width: 820px) {
  .about-v3-page .achievement-preview-ending {
    height: 220px !important;
  }

  .about-v3-page .achievement-preview-ending .dark-contact-inner {
    padding: 36px 24px 0 !important;
  }
}

/* 引文在整个黑色板块内垂直居中，底部导航仍独立贴近下沿。 */
.about-v3-page .achievement-preview-ending .dark-contact-copy {
  position: absolute !important;
  top: 50% !important;
  right: 7vw !important;
  left: 7vw !important;
  width: auto !important;
  margin: 0 !important;
  transform: translateY(-50%) !important;
}

.about-v3-page .achievement-preview-ending h2 {
  margin: 0 auto !important;
}

@media (max-width: 820px) {
  .about-v3-page .achievement-preview-ending .dark-contact-copy {
    right: 24px !important;
    left: 24px !important;
  }
}

/* 移动端著述条目：封面与文字并排，避免书名被推到封面下方。 */
@media (max-width: 720px) {
  .about-v3-page .achievement-preview-books > a {
    grid-template-columns: 64px minmax(0, 1fr) !important;
    gap: 10px !important;
    align-items: start !important;
    padding-bottom: 10px !important;
  }

  .about-v3-page .achievement-preview-books > a > div {
    min-width: 0 !important;
  }

  .about-v3-page .achievement-preview-books img {
    width: 64px !important;
    height: 82px !important;
    object-fit: contain !important;
  }

  .about-v3-page .achievement-preview-books h4 {
    margin-bottom: 3px !important;
    font-size: 14px !important;
    line-height: 1.35 !important;
  }

  .about-v3-page .achievement-preview-books p {
    font-size: 11px !important;
    line-height: 1.45 !important;
  }
}

/* 大师简介页最后板块：恢复与时光长廊一致的黑色收尾背景。 */
.about-v3-page .achievement-preview-ending,
.about-v3-page .achievement-preview-ending .dark-contact-inner {
  background: #111512 !important;
  box-shadow: none !important;
  border-radius: 0 !important;
}

/* 大师简介页思想性收尾：结束语与版权备案形成居中的两层文档流。 */
.about-v3-page .achievement-preview-ending {
  height: auto !important;
  min-height: 0 !important;
  padding: 0 !important;
  overflow: visible !important;
}

.about-v3-page .achievement-preview-ending .dark-contact-inner {
  display: flex !important;
  height: auto !important;
  min-height: 0 !important;
  padding: clamp(64px, 6vw, 84px) 7vw 48px !important;
  align-items: center !important;
  justify-content: flex-start !important;
}

.about-v3-page .achievement-preview-ending .dark-contact-copy {
  position: static !important;
  width: 100% !important;
  margin: 0 !important;
  transform: none !important;
}

.about-v3-page .achievement-preview-ending h2 {
  max-width: 1200px !important;
  margin: 0 auto !important;
  font-size: clamp(26px, 2vw, 30px) !important;
  line-height: 1.35 !important;
  text-align: center !important;
}

.about-v3-page .achievement-preview-ending__legal {
  display: flex;
  margin: 40px 0 0;
  padding: 0;
  align-items: baseline;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.35em;
  color: rgba(255, 250, 241, 0.55);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.7;
  text-align: center;
}

.about-v3-page .achievement-preview-ending__legal a {
  padding: 0;
  color: inherit;
  text-decoration: none;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.about-v3-page .achievement-preview-ending__legal a:hover {
  text-decoration: underline;
}

@media (max-width: 820px) {
  .about-v3-page .achievement-preview-ending .dark-contact-inner {
    padding: 50px 24px 36px !important;
  }

  .about-v3-page .achievement-preview-ending h2 {
    max-width: 340px !important;
    font-size: 24px !important;
    line-height: 1.45 !important;
  }

  .about-v3-page .achievement-preview-ending__legal {
    max-width: 190px;
    margin-top: 34px;
    font-size: 11px;
    line-height: 1.8;
  }

  .about-v3-page .achievement-preview-ending__separator {
    display: none;
  }
}