/* 关于岱恩新版页面：独立命名空间样式，避免影响站内其他页面。 */
.about-redesign {
  --about-text: #000000;
  --about-muted: #666666;
  --about-soft: #f4f4f4;
  --about-line: #d8d8d8;
  --about-blue: #003789;
  overflow: hidden;
  background: #ffffff;
  color: var(--about-text);
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

/* 2026-07 Figma 对齐：桌面端按 1920px 画板校准，移动端保持内容自适应。 */
@media (min-width: 1101px) {
  .about-redesign .about-request-section .colmdwidth2 {
    width: 100%;
  }

  .about-redesign .about-intro__subtitle {
    font-size: 36px;
  }

  .about-redesign .about-intro__panel {
    margin-top: 52.4px;
    padding-top: 80px;
    border-radius: 50px;
  }

  .about-redesign .about-intro__copy {
    width: min(100%, 926px);
    font-size: 24px;
    line-height: 60px;
  }

  .about-redesign .about-positioning {
    min-height: 359px;
  }

  .about-redesign .about-ai {
    min-height: 2410px;
  }

  .about-redesign .about-matrix {
    min-height: 1691px;
  }

  .about-redesign .about-loop {
    min-height: 1006px;
  }

  .about-redesign .about-talent {
    min-height: 685px;
  }

  .about-redesign .about-case {
    min-height: 615px;
  }

  .about-redesign .about-trust {
    min-height: 1045px;
  }

  .about-redesign .about-request-section {
    padding: 195px 0 0;
    background: #ffffff;
  }

  .about-redesign .about-request-shell {
    display: block;
  }

  .about-redesign .about-request-section .request-section__eyebrow,
  .about-redesign .about-request-section .request-section__title {
    display: none;
  }

  .about-redesign .about-request-section .request-section__intro {
    max-width: none;
    margin-left: 28px;
  }

  .about-redesign .about-request-section .request-section__lead {
    max-width: none;
    color: #000000;
    font-size: 24px;
    line-height: 29px;
  }

  .about-redesign .about-request-section .request-form-panel {
    overflow: visible;
    margin-top: 36px;
    padding: 0 40px 0 28px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .about-redesign .about-request-section .request-form-panel::before,
  .about-redesign .about-request-section .request-form-panel::after {
    display: none;
  }

  .about-redesign .about-request-section .contactUs-row {
    padding-bottom: 31px;
  }

  .about-redesign .about-request-section .contactUs-row:nth-child(4) {
    padding-bottom: 59px;
  }

  .about-redesign .about-request-section .contactUs-row.pb90 {
    padding-bottom: 0 !important;
  }

  .about-redesign .about-request-section .contactUs-row .col-md-5 {
    width: 600px;
  }

  .about-redesign .about-request-section .contactUs-row .col-md-10 {
    width: 100%;
  }

  .about-redesign .about-request-section .contactUs-row .form-input {
    height: 50px;
    padding: 0 30px;
    border: 1px solid #666666;
    border-radius: 10px;
    color: #000000;
    font-size: 16px;
    font-weight: 400;
    line-height: 50px;
  }

  .about-redesign .about-request-section .colmdwidth3,
  .about-redesign .about-request-section .colmdwidth4 {
    width: 274px;
  }

  .about-redesign .about-request-section .form-textarea {
    width: 100%;
    min-height: 191px;
    height: 191px;
    padding: 14px 30px;
    border: 1px solid #666666;
    border-radius: 10px;
    color: #000000;
    font-size: 16px;
    font-weight: 400;
    line-height: 22px;
    resize: vertical;
  }

  .about-redesign .about-request-section .required {
    left: -18px;
    font-size: 16px;
    line-height: 50px;
  }

  .about-redesign .about-request-section .contactUs-row .send-valid {
    top: 0;
    right: 20px;
    height: 50px;
    padding: 0;
    background: transparent;
    font-size: 16px;
    font-weight: 400;
    line-height: 50px;
  }

  .about-redesign .about-request-section .contactUs-row .form-btn {
    width: 300px;
    height: 50px;
    margin: 0 auto;
    border-radius: 999px;
    background: #0066fd;
    box-shadow: none;
    font-size: 24px;
    font-weight: 400;
    line-height: 50px;
    letter-spacing: 0;
  }

  .about-redesign .about-request-section .contactUs-row.pb90 .col-md-10 {
    height: 50px;
  }
}

@media (max-width: 1100px) {
  .about-redesign .about-positioning,
  .about-redesign .about-ai,
  .about-redesign .about-matrix,
  .about-redesign .about-loop,
  .about-redesign .about-talent,
  .about-redesign .about-case,
  .about-redesign .about-trust {
    min-height: 0;
  }
}

@media (max-width: 767px) {
  .about-redesign .about-request-section .request-section__eyebrow,
  .about-redesign .about-request-section .request-section__title {
    display: none;
  }

  .about-redesign .about-request-section .request-section__lead {
    color: #000000;
    font-size: 18px;
    line-height: 1.6;
  }

  .about-redesign .about-request-section .request-form-panel {
    margin-top: 24px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .about-redesign .about-request-section .request-form-panel::before,
  .about-redesign .about-request-section .request-form-panel::after {
    display: none;
  }

  .about-redesign .about-request-section .contactUs-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    padding-bottom: 14px;
  }

  .about-redesign .about-request-section .contactUs-row:nth-child(4) {
    padding-bottom: 24px;
  }

  .about-redesign .about-request-section .contactUs-row.pb90 {
    padding-bottom: 0 !important;
  }

  .about-redesign .about-request-section .contactUs-row .col-md-5,
  .about-redesign .about-request-section .contactUs-row .col-md-10 {
    width: 100%;
  }

  .about-redesign .about-request-section .contactUs-row .form-input {
    height: 52px;
    padding: 0 18px;
    border: 1px solid #666666;
    border-radius: 10px;
    line-height: 52px;
  }

  .about-redesign .about-request-section .colmdwidth3,
  .about-redesign .about-request-section .colmdwidth4 {
    width: calc(50% - 7px);
  }

  .about-redesign .about-request-section .form-textarea {
    min-height: 150px;
    padding: 14px 18px;
    border: 1px solid #666666;
    border-radius: 10px;
  }

  .about-redesign .about-request-section .required {
    left: 6px;
    z-index: 1;
    line-height: 52px;
  }

  .about-redesign .about-request-section .contactUs-row .send-valid {
    top: 1px;
    right: 14px;
    height: 50px;
    background: transparent;
    line-height: 50px;
  }

  .about-redesign .about-request-section .contactUs-row .form-btn {
    width: 220px;
    height: 50px;
    border-radius: 999px;
    background: #0066fd;
    box-shadow: none;
    font-size: 20px;
    line-height: 50px;
  }
}

/* 桌面端按 Figma 保留“客户信赖”标题与说明之间的 50px 呼吸空间。 */
@media (min-width: 1101px) {
  .about-redesign .about-trust .about-heading > p {
    margin-top: 50px;
  }
}

@media (min-width: 1101px) and (max-width: 1439px) {
  .about-redesign .about-request-section .contactUs-row .col-md-5 {
    width: calc(50% - 16px) !important;
  }

  .about-redesign .about-request-section .contactUs-row .col-md-5.flex {
    gap: 20px;
  }

  .about-redesign .about-request-section .colmdwidth3,
  .about-redesign .about-request-section .colmdwidth4 {
    width: calc(50% - 10px) !important;
  }
}

.about-redesign * {
  box-sizing: border-box;
}

/* 复用站内现有语言切换机制：根据 body 上的 zh/en 类切换双语文案显隐。 */
.about-redesign .enImage {
  display: none;
}

body.en .about-redesign .zhImage {
  display: none !important;
}

body.en .about-redesign .enImage {
  display: block !important;
}

.about-redesign h1,
.about-redesign h2,
.about-redesign h3,
.about-redesign p,
.about-redesign ol,
.about-redesign figure {
  margin-top: 0;
}

.about-redesign h1,
.about-redesign h2,
.about-redesign h3 {
  margin-bottom: 0;
  color: var(--about-text);
  font-weight: 600;
  line-height: 1.08;
}

.about-redesign p {
  margin-bottom: 0;
}

.about-redesign .about-shell {
  width: min(calc(100% - 40px), 1400px);
  margin: 0 auto;
}

.about-redesign .skip-link {
  position: absolute;
  top: -9999px;
  left: -9999px;
}

.about-redesign .skip-link:focus {
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  border: 1px solid var(--about-text);
  border-radius: 6px;
  background: #ffffff;
}

.about-redesign .about-intro {
  padding: 150px 0 0;
}

.about-redesign .about-intro__heading {
  padding-left: 78px;
}

.about-redesign .about-intro__quote {
  width: clamp(42px, 4vw, 68px);
  height: auto;
  margin-bottom: 14px;
}

.about-redesign .about-intro__eyebrow {
  display: block;
  margin: 0 0 72px 108px;
  color: var(--about-muted);
  font-size: clamp(14px, 1.3vw, 24px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.06em;
}

.about-redesign .about-intro h1 {
  font-size: clamp(56px, 5vw, 90px);
  letter-spacing: -0.05em;
}

.about-redesign .about-intro__title {
  margin-top: 12px;
  font-size: clamp(30px, 3.4vw, 64px);
  letter-spacing: -0.04em;
}

.about-redesign .about-intro__subtitle {
  margin-top: 20px;
  color: var(--about-muted);
  font-size: clamp(18px, 2vw, 32px);
  line-height: 1.6;
}

.about-redesign .about-intro__panel {
  display: flex;
  align-items: flex-start;
  min-height: 610px;
  margin-top: 64px;
  padding: 72px 76px;
  border-radius: 40px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.97) 0%, rgba(255, 255, 255, 0.9) 42%, rgba(255, 255, 255, 0.12) 78%),
    /* 首屏介绍区切换为用户提供的关于岱恩主视觉配图。 */
    url("../assets/images/about-daily-hero-intro.png") center center / cover no-repeat;
}

.about-redesign .about-intro__copy {
  width: min(58%, 930px);
  font-size: clamp(17px, 1.2vw, 24px);
  line-height: 2.4;
}

.about-redesign .about-intro__copy p + p {
  margin-top: 18px;
}

.about-redesign .about-section {
  margin-top: 180px;
}

.about-redesign .about-heading {
  text-align: center;
}

.about-redesign .about-heading > span {
  display: block;
  margin-bottom: 16px;
  color: var(--about-muted);
  font-size: clamp(14px, 1.25vw, 24px);
  line-height: 1.2;
  letter-spacing: 0.06em;
}

.about-redesign .about-heading h2 {
  font-size: clamp(48px, 4.6vw, 90px);
  letter-spacing: -0.05em;
}

.about-redesign .about-heading > p,
.about-redesign .about-positioning__copy,
.about-redesign .about-feature__content > p,
.about-redesign .about-card p,
.about-redesign .about-case__copy p,
.about-redesign .about-trust__body > p,
.about-redesign .about-closing p {
  font-size: clamp(16px, 1.02vw, 20px);
  line-height: 2.25;
}

.about-redesign .about-positioning .about-heading {
  margin-bottom: 70px;
}

.about-redesign .about-positioning__copy {
  max-width: 1400px;
  text-align: center;
}

.about-redesign .about-positioning__copy p + p {
  margin-top: 10px;
}

.about-redesign .about-ai .about-heading {
  margin-bottom: 150px;
}

.about-redesign .about-ai__subtitle {
  font-weight: 700;
}

.about-redesign .about-feature-list {
  display: grid;
  gap: 220px;
}

.about-redesign .about-feature,
.about-redesign .about-case__body,
.about-redesign .about-trust__body {
  display: grid;
  align-items: center;
}

.about-redesign .about-feature {
  grid-template-columns: minmax(0, 650fr) minmax(0, 667fr);
  gap: 84px;
}

.about-redesign .about-feature--reverse {
  grid-template-columns: minmax(0, 551fr) minmax(0, 784fr);
  gap: 66px;
}

.about-redesign .about-feature--reverse .about-feature__content {
  order: 2;
}

.about-redesign .about-feature--reverse .about-media {
  order: 1;
}

.about-redesign .about-feature__index {
  display: inline-block;
  margin-bottom: 32px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--about-text);
  font-size: clamp(16px, 1.2vw, 24px);
  line-height: 1;
}

.about-redesign .about-feature h3,
.about-redesign .about-card h3,
.about-redesign .about-case__copy h3 {
  margin-bottom: 36px;
  font-size: clamp(28px, 2vw, 36px);
  line-height: 1.28;
}

.about-redesign .about-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 46px;
}

.about-redesign .about-chips > div {
  display: grid;
  min-width: 150px;
  min-height: 108px;
  place-content: center;
  padding: 14px 22px;
  border: 1px solid var(--about-text);
  border-radius: 20px;
  text-align: center;
}

.about-redesign .about-chips .about-chips__wide {
  min-width: 320px;
}

.about-redesign .about-chips strong {
  display: block;
  font-size: clamp(22px, 1.5vw, 32px);
  line-height: 1.2;
}

/* 修复：strong 内的 bilingual span 继承 strong 字号，而非被外层 span 规则覆盖 */
.about-redesign .about-chips strong span {
  font-size: inherit;
  margin-top: 0;
}

.about-redesign .about-chips span {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.5;
}

.about-redesign .about-media {
  width: 100%;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  border-radius: 20px;
  background-color: #d9d9d9;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.about-redesign .about-feature:nth-child(1) .about-media {
  width: min(100%, 614px);
  justify-self: end;
}

.about-redesign .about-feature:nth-child(2) .about-media {
  width: min(100%, 551px);
  justify-self: start;
}

.about-redesign .about-feature:nth-child(3) .about-media {
  width: min(100%, 667px);
  justify-self: end;
}

.about-redesign .about-ai-assessment {
  /* AI 技术实力模块一切换为用户提供的全栈自研 AI 能力配图。 */
  background-image: url("../assets/images/about-daily-ai-fullstack.jpg");
  aspect-ratio: 614 / 461;
}

.about-redesign .about-ai-factory {
  /* AI 技术实力模块二切换为用户提供的 AI 超级工厂配图。 */
  background-image: url("../assets/images/about-daily-ai-factory.jpg");
  aspect-ratio: 551 / 413;
}

.about-redesign .about-ai-coach {
  /* AI 技术实力模块三切换为用户提供的 AI 场景陪练配图。 */
  background-image: url("../assets/images/about-daily-ai-coach.png");
  aspect-ratio: 667 / 500;
}

.about-redesign .about-matrix .about-heading {
  margin-bottom: 68px;
}

.about-redesign .about-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: center;
  min-height: 200px;
  margin-bottom: 40px;
  background: var(--about-soft);
  text-align: center;
}

.about-redesign .about-stats > div,
.about-redesign .about-lifecycle > div {
  padding: 32px 20px;
}

.about-redesign .about-stats strong,
.about-redesign .about-stats span,
.about-redesign .about-lifecycle span,
.about-redesign .about-lifecycle strong {
  display: block;
}

.about-redesign .about-stats strong {
  font-size: clamp(42px, 3.3vw, 64px);
  line-height: 1;
  letter-spacing: -0.05em;
}

.about-redesign .about-stats span,
.about-redesign .about-lifecycle span {
  margin-top: 12px;
  font-size: 16px;
  line-height: 1.6;
}

.about-redesign .about-course-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
}

.about-redesign .about-card {
  min-height: 540px;
  padding: 44px 48px;
  border-radius: 20px;
  background: var(--about-soft);
}

.about-redesign .about-card p + p {
  margin-top: 4px;
}

.about-redesign .about-media--panorama {
  margin-top: 42px;
  /* 课程体系全景图切换为用户提供的全课程体系配图。 */
  background-image: url("../assets/images/about-daily-course-system.png");
  aspect-ratio: 1400 / 549;
}

.about-redesign .about-loop .about-heading {
  margin-bottom: 126px;
}

.about-redesign .about-loop__body {
  display: grid;
  grid-template-columns: minmax(0, 250fr) minmax(0, 790fr);
  gap: 118px;
  width: min(1158px, calc(100% - 188px));
  align-items: start;
  margin-left: 188px;
}

.about-redesign .about-loop__steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-redesign .about-loop__steps li {
  position: relative;
  min-height: 180px;
  font-size: 32px;
  line-height: 90px;
  text-align: center;
}

.about-redesign .about-loop__steps li:last-child {
  min-height: 90px;
}

.about-redesign .about-loop__steps strong {
  display: block;
  width: 100%;
  white-space: nowrap;
}

.about-redesign .about-loop__steps li:not(:last-child)::after {
  position: absolute;
  top: 119px;
  left: 50%;
  width: 32px;
  height: 32px;
  background: url("../assets/images/about-arrow.svg") center center / contain no-repeat;
  content: "";
  transform: translateX(-50%) rotate(-90deg);
}

.about-redesign .about-loop__visual {
  width: min(100%, 790px);
  margin-top: 35px;
  /* 学习闭环主图切换为用户提供的学习闭环示意图。 */
  background-image: url("../assets/images/about-daily-learning-loop.png");
  aspect-ratio: 790 / 525;
}

.about-redesign .about-talent .about-heading {
  margin-bottom: 90px;
}

.about-redesign .about-lifecycle {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: center;
  min-height: 200px;
  background: var(--about-soft);
  text-align: center; /* 识别/选拔/培养/评估/盘点在区域内居中展示 */
}

.about-redesign .about-lifecycle > div > span {
  margin-top: 0;
  margin-bottom: 28px;
}

.about-redesign .about-lifecycle strong {
  font-size: clamp(28px, 2vw, 36px);
  line-height: 1.3;
}

/* 人才生命周期：让 strong 内双语文案继承标题字号，避免被数字 span 规则覆盖。 */
.about-redesign .about-lifecycle strong span {
  font-size: inherit;
  margin-top: 0;
  margin-bottom: 0;
}

/* 人才生命周期：单独放大中文标签，强化“识别/选拔/培养/评估/盘点”的视觉层级。 */
.about-redesign .about-lifecycle strong .zhImage {
  font-size: clamp(34px, 2.3vw, 42px);
}

.about-redesign .about-case .about-heading,
.about-redesign .about-trust .about-heading {
  margin-bottom: 98px;
}

.about-redesign .about-case__body {
  grid-template-columns: minmax(0, 497fr) minmax(0, 844fr);
  gap: 60px;
}

.about-redesign .about-case-energy-visual {
  /* 行业案例区切换为用户提供的行业案例配图。 */
  background-image: url("../assets/images/about-daily-industry-case.png");
  aspect-ratio: 497 / 373;
}

.about-redesign .about-case__copy p + p {
  margin-top: 16px;
}

.about-redesign .about-trust__stats {
  margin-bottom: 74px;
}

.about-redesign .about-trust__body {
  grid-template-columns: minmax(0, 618fr) minmax(0, 764fr);
  gap: 18px;
}

.about-redesign .about-trust__body > p {
  padding-right: 16px;
}

.about-redesign .about-trust-visual {
  /* 客户信赖区切换为用户提供的客户信赖配图。 */
  background-image: url("../assets/images/about-daily-client-trust.png");
  aspect-ratio: 764 / 424;
}

.about-redesign .about-closing {
  margin-top: 180px;
  background: var(--about-blue);
  color: #ffffff;
}

.about-redesign .about-closing__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  min-height: 282px;
}

.about-redesign .about-closing p {
  margin-left: 237px;
  color: #ffffff;
}

.about-redesign .about-closing p span {
  display: block;
}

/* 需求申请区：将旧版公共表单纳入新版页面主内容末尾，保留原有提交链路。 */
.about-redesign .about-request-section {
  padding: 64px 0 96px;
  background:
    radial-gradient(circle at top right, rgba(0, 55, 137, 0.12), transparent 34%),
    linear-gradient(180deg, rgba(240, 246, 255, 0.92) 0%, #ffffff 100%);
}

.about-redesign .about-request-shell {
  display: grid;
  gap: 34px;
}

.about-redesign .about-request-section .request-section__intro {
  max-width: 760px;
}

.about-redesign .about-request-section .request-section__eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 16px;
  border: 1px solid rgba(0, 55, 137, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: #003789;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.about-redesign .about-request-section .request-section__title {
  margin: 20px 0 16px;
  font-size: clamp(34px, 3vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.about-redesign .about-request-section .request-section__title span,
.about-redesign .about-request-section .request-section__lead span {
  display: block;
}

.about-redesign .about-request-section .request-section__lead {
  margin: 0;
  max-width: 700px;
  color: #5f6c81;
  font-size: 18px;
  line-height: 1.85;
}

.about-redesign .about-request-section .request-form-panel {
  position: relative;
  overflow: hidden;
  padding: 42px 44px 48px;
  border: 1px solid rgba(0, 55, 137, 0.1);
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, #f7fbff 100%);
  box-shadow: 0 24px 54px rgba(0, 38, 92, 0.1);
}

.about-redesign .about-request-section .request-form-panel::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 133, 252, 0.14) 0%, rgba(31, 133, 252, 0) 72%);
  transform: translate(-20%, -30%);
}

.about-redesign .about-request-section .request-form-panel::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -90px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 55, 137, 0.1) 0%, rgba(0, 55, 137, 0) 74%);
}

.about-redesign .about-request-section .contactUsWarp {
  position: relative;
  z-index: 1;
  background: transparent;
}

.about-redesign .about-request-section .contactUsMain {
  width: 100%;
  margin: 0;
  padding: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.about-redesign .about-request-section .contactUsMain h1,
.about-redesign .about-request-section .contactUsTip {
  display: none;
}

.about-redesign .about-request-section .form-box {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
}

.about-redesign .about-request-section .contactUs-row {
  align-items: flex-start;
  padding-bottom: 24px;
}

.about-redesign .about-request-section .contactUs-row .col-md-5,
.about-redesign .about-request-section .contactUs-row .col-md-10 {
  height: auto;
}

.about-redesign .about-request-section .contactUs-row .col-md-10,
.about-redesign .about-request-section .colmdwidth1 {
  width: 100%;
}

.about-redesign .about-request-section .contactUs-row .form-input,
.about-redesign .about-request-section .form-textarea {
  border: 1px solid #d4deea;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.96);
  color: #142033;
  transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.about-redesign .about-request-section .contactUs-row .form-input {
  height: 68px;
  line-height: 68px;
  padding: 0 22px;
  font-size: 17px;
  font-weight: 500;
}

.about-redesign .about-request-section .form-textarea {
  min-height: 300px;
  padding: 20px 22px;
  line-height: 1.8;
  font-size: 17px;
  resize: vertical;
}

.about-redesign .about-request-section .contactUs-row .form-input::placeholder,
.about-redesign .about-request-section .form-textarea::placeholder {
  color: #8c97ab;
}

.about-redesign .about-request-section .contactUs-row .form-input:hover,
.about-redesign .about-request-section .contactUs-row .form-input:focus,
.about-redesign .about-request-section .form-textarea:hover,
.about-redesign .about-request-section .form-textarea:focus {
  border-color: #003789;
  outline: none;
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(0, 55, 137, 0.09);
}

.about-redesign .about-request-section .required {
  left: -16px;
  font-size: 17px;
  line-height: 68px;
  color: #ff5a5f;
}

.about-redesign .about-request-section .contactUs-row .send-valid {
  top: 8px;
  right: 10px;
  height: 52px;
  padding: 0 18px;
  border-radius: 999px;
  background: rgba(0, 55, 137, 0.07);
  font-size: 15px;
  line-height: 52px;
  font-weight: 600;
  color: #003789;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.about-redesign .about-request-section .contactUs-row .send-valid:hover {
  background: #003789;
  color: #ffffff;
  transform: translateY(-1px);
}

.about-redesign .about-request-section .contactUs-row .form-btn {
  width: 232px;
  height: 62px;
  display: block;
  margin: 0 auto;
  border-radius: 999px;
  background: linear-gradient(135deg, #0052cc 0%, #1f85fc 100%);
  box-shadow: 0 18px 32px rgba(0, 83, 204, 0.22);
  font-size: 20px;
  line-height: 62px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.about-redesign .about-request-section .contactUs-row.pb90 .col-md-10 {
  position: relative;
  display: flex;
  justify-content: center;
}

.about-redesign .about-request-section #reply_message {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  width: max-content;
  max-width: 100%;
  text-align: center;
}

/* 新版页面动效：仅作用于 about 页面，避免影响其他模块。 */
.about-redesign .reveal {
  opacity: 1;
}

.js .about-redesign .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.js .about-redesign .reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1100px) {
  .about-redesign .about-feature,
  .about-redesign .about-feature--reverse,
  .about-redesign .about-case__body,
  .about-redesign .about-trust__body {
    grid-template-columns: 1fr;
  }

  .about-redesign .about-feature,
  .about-redesign .about-feature--reverse {
    gap: 48px;
  }

  .about-redesign .about-feature--reverse .about-feature__content,
  .about-redesign .about-feature--reverse .about-media {
    order: initial;
  }

  .about-redesign .about-feature .about-media,
  .about-redesign .about-feature:nth-child(1) .about-media,
  .about-redesign .about-feature:nth-child(2) .about-media,
  .about-redesign .about-feature:nth-child(3) .about-media {
    width: min(100%, 760px);
    justify-self: center;
  }

  .about-redesign .about-loop__body {
    grid-template-columns: minmax(220px, 0.55fr) minmax(0, 1.45fr);
    gap: 48px;
    width: 100%;
    margin-left: 0;
  }

  .about-redesign .about-closing p {
    margin-left: 0;
  }
}

@media (max-width: 767px) {
  .about-redesign .about-shell {
    width: min(calc(100% - 32px), 1400px);
  }

  .about-redesign .about-intro {
    padding-top: 56px;
  }

  .about-redesign .about-intro__heading {
    padding-left: 0;
  }

  .about-redesign .about-intro__eyebrow {
    margin: 0 0 36px 42px;
    font-size: 14px;
  }

  .about-redesign .about-intro h1 {
    font-size: clamp(42px, 14vw, 60px);
  }

  .about-redesign .about-intro__title {
    font-size: clamp(24px, 8vw, 34px);
  }

  .about-redesign .about-intro__subtitle {
    margin-top: 14px;
    font-size: 16px;
  }

  .about-redesign .about-intro__panel {
    min-height: 0;
    margin-top: 36px;
    padding: 30px 22px;
    border-radius: 22px;
    background:
      linear-gradient(rgba(255, 255, 255, 0.93), rgba(255, 255, 255, 0.8)),
      url("../assets/images/about-daily-hero-intro.png") 62% center / cover no-repeat;
  }

  .about-redesign .about-intro__copy {
    width: 100%;
    font-size: 15px;
    line-height: 2;
  }

  .about-redesign .about-section {
    margin-top: 88px;
  }

  .about-redesign .about-heading > p,
  .about-redesign .about-positioning__copy,
  .about-redesign .about-feature__content > p,
  .about-redesign .about-card p,
  .about-redesign .about-case__copy p,
  .about-redesign .about-trust__body > p,
  .about-redesign .about-closing p {
    font-size: 15px;
    line-height: 1.95;
  }

  .about-redesign .about-ai .about-heading,
  .about-redesign .about-loop .about-heading,
  .about-redesign .about-talent .about-heading,
  .about-redesign .about-case .about-heading,
  .about-redesign .about-trust .about-heading {
    margin-bottom: 44px;
  }

  .about-redesign .about-feature-list {
    gap: 72px;
  }

  .about-redesign .about-feature h3,
  .about-redesign .about-card h3,
  .about-redesign .about-case__copy h3 {
    margin-bottom: 22px;
    font-size: 24px;
  }

  .about-redesign .about-chips {
    gap: 12px;
    margin-top: 28px;
  }

  .about-redesign .about-chips > div,
  .about-redesign .about-chips .about-chips__wide {
    min-width: calc(50% - 6px);
    min-height: 92px;
    padding: 12px 10px;
  }

  .about-redesign .about-stats,
  .about-redesign .about-course-grid,
  .about-redesign .about-lifecycle,
  .about-redesign .about-closing__inner {
    grid-template-columns: 1fr;
  }

  .about-redesign .about-card {
    min-height: 0;
    padding: 28px 22px;
  }

  .about-redesign .about-loop__body {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .about-redesign .about-loop__steps li {
    min-height: 62px;
    font-size: 24px;
    line-height: 62px;
  }

  .about-redesign .about-loop__steps li:last-child {
    min-height: 62px;
  }

  .about-redesign .about-loop__steps li:not(:last-child)::after {
    top: 68px;
    width: 22px;
    height: 22px;
  }

  .about-redesign .about-loop__visual {
    margin-top: 0;
  }

  .about-redesign .about-lifecycle span {
    margin-bottom: 12px;
  }

  .about-redesign .about-trust__body > p {
    padding-right: 0;
  }

  .about-redesign .about-closing {
    margin-top: 88px;
  }

  .about-redesign .about-closing__inner {
    gap: 20px;
    min-height: 0;
    padding: 36px 0;
  }

  /* 窄屏下收紧需求申请模块留白，避免表单首屏过高。 */
  .about-redesign .about-request-section {
    padding: 44px 0 64px;
  }

  .about-redesign .about-request-shell {
    gap: 24px;
  }

  .about-redesign .about-request-section .request-section__title {
    font-size: 34px;
  }

  .about-redesign .about-request-section .request-section__lead {
    font-size: 16px;
  }

  .about-redesign .about-request-section .request-form-panel {
    padding: 30px 24px 34px;
    border-radius: 24px;
  }

  .about-redesign .about-request-section .contactUs-row {
    padding-bottom: 18px;
  }

  .about-redesign .about-request-section .contactUs-row .form-input {
    height: 60px;
    line-height: 60px;
    font-size: 16px;
  }

  .about-redesign .about-request-section .form-textarea {
    min-height: 240px;
    font-size: 16px;
  }

  .about-redesign .about-request-section .required {
    line-height: 60px;
  }

  .about-redesign .about-request-section .contactUs-row .send-valid {
    top: 4px;
    height: 50px;
    line-height: 50px;
  }

  .about-redesign .about-request-section .contactUs-row .form-btn {
    width: 220px;
    height: 58px;
    line-height: 58px;
    font-size: 18px;
  }
}

/* Final Figma alignment overrides. */
@media (min-width: 1101px) {
  .about-redesign .about-request-section .colmdwidth2 {
    width: 100%;
  }

  .about-redesign .about-intro__subtitle {
    font-size: 36px;
  }

  .about-redesign .about-intro__panel {
    margin-top: 52.4px;
    padding-top: 80px;
    border-radius: 50px;
  }

  .about-redesign .about-intro__copy {
    width: min(100%, 926px);
    font-size: 24px;
    line-height: 60px;
  }

  .about-redesign .about-positioning {
    min-height: 359px;
  }

  .about-redesign .about-ai {
    min-height: 2410px;
  }

  .about-redesign .about-matrix {
    min-height: 1691px;
  }

  .about-redesign .about-loop {
    min-height: 1006px;
  }

  .about-redesign .about-talent {
    min-height: 685px;
  }

  .about-redesign .about-case {
    min-height: 615px;
  }

  .about-redesign .about-trust {
    min-height: 1045px;
  }

  .about-redesign .about-request-section {
    padding: 195px 0 0;
    background: #ffffff;
  }

  .about-redesign .about-request-shell {
    display: block;
  }

  .about-redesign .about-request-section .request-section__eyebrow,
  .about-redesign .about-request-section .request-section__title {
    display: none;
  }

  .about-redesign .about-request-section .request-section__intro {
    max-width: none;
    margin-left: 28px;
  }

  .about-redesign .about-request-section .request-section__lead {
    max-width: none;
    color: #000000;
    font-size: 24px;
    line-height: 29px;
  }

  .about-redesign .about-request-section .request-form-panel {
    overflow: visible;
    margin-top: 36px;
    padding: 0 40px 0 28px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .about-redesign .about-request-section .request-form-panel::before,
  .about-redesign .about-request-section .request-form-panel::after {
    display: none;
  }

  .about-redesign .about-request-section .contactUs-row {
    padding-bottom: 31px;
  }

  .about-redesign .about-request-section .contactUs-row:nth-child(4) {
    padding-bottom: 59px;
  }

  .about-redesign .about-request-section .contactUs-row.pb90 {
    padding-bottom: 0 !important;
  }

  .about-redesign .about-request-section .contactUs-row .col-md-5 {
    width: 600px;
  }

  .about-redesign .about-request-section .contactUs-row .col-md-10 {
    width: 100%;
  }

  .about-redesign .about-request-section .contactUs-row .form-input {
    height: 50px;
    padding: 0 30px;
    border: 1px solid #666666;
    border-radius: 10px;
    color: #000000;
    font-size: 16px;
    font-weight: 400;
    line-height: 50px;
  }

  .about-redesign .about-request-section .colmdwidth3,
  .about-redesign .about-request-section .colmdwidth4 {
    width: 274px;
  }

  .about-redesign .about-request-section .form-textarea {
    width: 100%;
    min-height: 191px;
    height: 191px;
    padding: 14px 30px;
    border: 1px solid #666666;
    border-radius: 10px;
    color: #000000;
    font-size: 16px;
    font-weight: 400;
    line-height: 22px;
  }

  .about-redesign .about-request-section .required {
    left: -18px;
    font-size: 16px;
    line-height: 50px;
  }

  .about-redesign .about-request-section .contactUs-row .send-valid {
    top: 0;
    right: 20px;
    height: 50px;
    padding: 0;
    background: transparent;
    font-size: 16px;
    font-weight: 400;
    line-height: 50px;
  }

  .about-redesign .about-request-section .contactUs-row .form-btn {
    width: 300px;
    height: 50px;
    margin: 0 auto;
    border-radius: 999px;
    background: #0066fd;
    box-shadow: none;
    font-size: 24px;
    font-weight: 400;
    line-height: 50px;
    letter-spacing: 0;
  }

  .about-redesign .about-request-section .contactUs-row.pb90 .col-md-10 {
    height: 50px;
  }
}

@media (max-width: 1100px) {
  .about-redesign .about-positioning,
  .about-redesign .about-ai,
  .about-redesign .about-matrix,
  .about-redesign .about-loop,
  .about-redesign .about-talent,
  .about-redesign .about-case,
  .about-redesign .about-trust {
    min-height: 0;
  }
}

@media (max-width: 767px) {
  .about-redesign .about-request-section .request-section__eyebrow,
  .about-redesign .about-request-section .request-section__title {
    display: none;
  }

  .about-redesign .about-request-section .request-section__lead {
    color: #000000;
    font-size: 18px;
    line-height: 1.6;
  }

  .about-redesign .about-request-section .request-form-panel {
    margin-top: 24px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .about-redesign .about-request-section .request-form-panel::before,
  .about-redesign .about-request-section .request-form-panel::after {
    display: none;
  }

  .about-redesign .about-request-section .contactUs-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    padding-bottom: 14px;
  }

  .about-redesign .about-request-section .contactUs-row:nth-child(4) {
    padding-bottom: 24px;
  }

  .about-redesign .about-request-section .contactUs-row.pb90 {
    padding-bottom: 0 !important;
  }

  .about-redesign .about-request-section .contactUs-row .col-md-5,
  .about-redesign .about-request-section .contactUs-row .col-md-10 {
    width: 100%;
  }

  .about-redesign .about-request-section .contactUs-row .form-input {
    height: 52px;
    padding: 0 18px;
    border: 1px solid #666666;
    border-radius: 10px;
    line-height: 52px;
  }

  .about-redesign .about-request-section .colmdwidth3,
  .about-redesign .about-request-section .colmdwidth4 {
    width: calc(50% - 7px);
  }

  .about-redesign .about-request-section .form-textarea {
    min-height: 150px;
    padding: 14px 18px;
    border: 1px solid #666666;
    border-radius: 10px;
  }

  .about-redesign .about-request-section .required {
    left: 6px;
    z-index: 1;
    line-height: 52px;
  }

  .about-redesign .about-request-section .contactUs-row .send-valid {
    top: 1px;
    right: 14px;
    height: 50px;
    background: transparent;
    line-height: 50px;
  }

  .about-redesign .about-request-section .contactUs-row .form-btn {
    width: 220px;
    height: 50px;
    border-radius: 999px;
    background: #0066fd;
    box-shadow: none;
    font-size: 20px;
    line-height: 50px;
  }
}

/* 桌面端提交按钮下方保留白色收尾空间，避免紧贴公共页脚。 */
@media (min-width: 1101px) {
  .about-redesign .about-request-section {
    padding-bottom: 80px;
  }
}

/* 文字系统按 1920px Figma 标注统一校准。 */
@media (min-width: 1101px) {
  .about-redesign .about-intro__eyebrow,
  .about-redesign .about-intro h1,
  .about-redesign .about-intro__title,
  .about-redesign .about-heading > span,
  .about-redesign .about-heading h2 {
    letter-spacing: 0;
  }

  .about-redesign .about-heading > span {
    margin-bottom: 19px;
  }

  .about-redesign .about-heading h2 {
    font-size: clamp(56px, 4.6875vw, 90px);
    line-height: 1.2;
  }

  .about-redesign .about-heading > p:first-of-type {
    margin-top: 50px;
  }

  .about-redesign .about-heading > p,
  .about-redesign .about-positioning__copy,
  .about-redesign .about-card p,
  .about-redesign .about-case__copy p,
  .about-redesign .about-trust__body > p,
  .about-redesign .about-closing p {
    font-size: clamp(17px, 1.041667vw, 20px);
    line-height: 48px;
  }

  .about-redesign .about-feature__content > p {
    font-size: 18px;
    line-height: 36px;
  }

  .about-redesign .about-positioning .about-heading {
    margin-bottom: 50px;
  }

  .about-redesign .about-ai .about-heading {
    margin-bottom: 98px;
  }

  .about-redesign .about-matrix .about-heading {
    margin-bottom: 64px;
  }

  .about-redesign .about-loop .about-heading {
    margin-bottom: 123px;
  }

  .about-redesign .about-talent .about-heading {
    margin-bottom: 75px;
  }

  .about-redesign .about-case .about-heading {
    margin-bottom: 86px;
  }

  .about-redesign .about-trust .about-heading {
    margin-bottom: 94px;
  }

  .about-redesign .about-card h3 {
    margin-bottom: 24px;
  }
}

/* 无移动端设计稿时，以可读性为准：正文不低于 16px。 */
@media (max-width: 767px) {
  .about-redesign .about-intro__copy,
  .about-redesign .about-heading > p,
  .about-redesign .about-positioning__copy,
  .about-redesign .about-feature__content > p,
  .about-redesign .about-card p,
  .about-redesign .about-case__copy p,
  .about-redesign .about-trust__body > p,
  .about-redesign .about-closing p {
    font-size: 16px;
    line-height: 1.9;
  }
}