/* 赛谋官网 — 设计基准 1920：内容区 max-width 随「父级宽度」放宽至 3200；中间项用 100% 铺满视口（不用 vw 留边） */
:root {
  --w-page: clamp(1920px, 100%, 3200px);
  --page-pad: clamp(16px, 2.5vw, 96px);
  --hero-h: 421px;
  --header-slogan-h: 40px;
  --header-bar-h: 68px;
  --header-h: calc(var(--header-slogan-h) + var(--header-bar-h));
  --blue-primary: #0056ff;
  --blue-logo: #0056e8;
  --text-nav: #2a2a2a;
  --color-title: #e35a2b;
}

/* 极宽屏（5K/超宽）：在 clamp 上限之上再放宽一档 */
@media (min-width: 3400px) {
  :root {
    --w-page: min(4200px, 100%);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  width: 100%;
  overflow-x: hidden;
  /* scrollbar-width: none; */
  -ms-overflow-style: none;
}

/* html::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
} */

body {
  margin: 0;
  width: 100%;
  min-width: 0;
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, sans-serif;
  color: #1a1a1a;
  background: #fff;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

/* body::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
} */

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.site {
  width: 100%;
  max-width: var(--w-page);
  margin: 0 auto;
  position: relative;
  /* 不铺底：白底仅用 body，避免压住子模块自带的背景图/底图 */
  background: transparent;
}

/* —— 顶栏：标语条 + 主导航（按设计稿） —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  background: #fff;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.site-header__slogan {
  margin: 0;
  height: var(--header-slogan-h);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.35em;
  color: #1a1a1a;
  background: linear-gradient(180deg, #d9ecfb 0%, #cfe5f8 100%);
  border-bottom: 1px solid rgba(0, 86, 255, 0.06);
}

.site-header__bar {
  background: #fff;
}

.site-header__inner {
  width: 100%;
  max-width: var(--w-page);
  margin: 0 auto;
  height: var(--header-bar-h);
  display: grid;
  grid-template-columns: minmax(160px, auto) 1fr auto;
  align-items: center;
  column-gap: 24px;
  padding: 0 var(--page-pad);
}

.site-logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--blue-logo);
  letter-spacing: 0.04em;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.site-nav > a,
.site-nav__item > a {
  padding: 10px 22px;
  font-size: 16px;
  font-weight: 400;
  color: var(--text-nav);
  transition: color 0.2s;
}

.site-nav > a:hover,
.site-nav__item > a:hover {
  color: var(--blue-primary);
}

.site-nav__item--dropdown {
  position: relative;
}

.site-nav__item--dropdown > a::after {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 6px;
  vertical-align: middle;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid #5c5c5c;
}

.site-nav__dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 148px;
  padding: 6px 0;
  margin: 4px 0 0;
  list-style: none;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(0, 0, 0, 0.06);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}

.site-nav__item--dropdown:hover .site-nav__dropdown {
  opacity: 1;
  visibility: visible;
}

.site-nav__dropdown a {
  display: block;
  padding: 10px 20px;
  font-size: 15px;
  color: var(--text-nav);
  white-space: nowrap;
}

.site-nav__dropdown a:hover {
  color: var(--blue-primary);
  background: rgba(0, 86, 255, 0.06);
}

.site-header__cta {
  justify-self: end;
  margin-right: 0;
  padding: 11px 32px;
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  background: var(--blue-primary);
  border-radius: 2px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  text-align: center;
  line-height: 1.2;
  transition: filter 0.2s, background 0.2s;
}

.site-header__cta:hover {
  filter: brightness(1.08);
}

@media (max-width: 900px) {
  .site-nav > a,
  .site-nav__item > a {
    padding: 8px 12px;
    font-size: 14px;
  }

  .site-header__cta {
    padding: 9px 18px;
    font-size: 14px;
  }
}

@media (max-width: 640px) {
  .site-header__inner {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    height: auto;
    min-height: var(--header-bar-h);
    padding-top: 10px;
    padding-bottom: 10px;
    row-gap: 8px;
  }

  .site-logo {
    grid-column: 1;
    grid-row: 1;
  }

  .site-header__cta {
    grid-column: 2;
    grid-row: 1;
  }

  .site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 2px;
  }

  .site-header__slogan {
    font-size: 12px;
    letter-spacing: 0.12em;
    padding: 0 var(--page-pad);
    text-align: center;
  }
}

/* 锚点避开固定顶栏 */
section[id] {
  scroll-margin-top: calc(var(--header-h) + 8px);
}

/* —— 首屏 企业陪跑：全幅视频轮播 1920×421 —— */
.hero {
  position: relative;
  width: 100%;
  max-width: var(--w-page);
  margin: 0 auto;
  aspect-ratio: 1920 / 421;
  height: auto;
  min-height: clamp(160px, 26vw, var(--hero-h));
  overflow: hidden;
  background: #e8f2fc;
}

.hero__slides {
  position: absolute;
  inset: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center center;
  opacity: 0;
  transition: opacity 0.65s ease;
  pointer-events: none;
}

.hero__slide.is-active {
  opacity: 1;
}

.hero__arrow {
  position: absolute;
  top: 50%;
  z-index: 3;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.65);
  color: #333;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  transition: background 0.2s;
}

.hero__arrow:hover {
  background: #fff;
}

.hero__arrow--prev {
  left: 24px;
}

.hero__arrow--next {
  right: 24px;
}

.hero__dots {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 8px;
}

.hero__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: transform 0.2s, background 0.2s;
}

.hero__dot.is-active {
  background: var(--blue-primary);
  transform: scale(1.2);
}

/* —— 区块标题通用 —— */
.section-title {
  margin: 0 0 8px;
  font-size: 36px;
  font-weight: 800;
  color: var(--color-title);
  text-align: center;
}

.section-sub {
  margin: 0 0 32px;
  text-align: center;
  font-size: 15px;
  color: #666;
}

.section-block {
  padding: 64px 0 72px;
}

.section-block--muted {
  background: #f5f8fc;
}

/* —— AI 学堂：标题无粉底；卡片区 + 底部蓝条（左橙色竖标） —— */
.ai-academy {
  padding-top: 48px;
  padding-bottom: 64px;
  background: #fff;
}

.ai-academy__panel {
  width: 100%;
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 0 var(--page-pad) 0;
}

.ai-academy__title {
  margin: 0 0 20px;
  padding: 0;
  font-size: 50px;
  font-weight: 600;
  color: #1a1a1a;
  text-align: left;
  letter-spacing: 0.06em;
  background: none;
  border: none;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

/* 与滚动可视区同宽，左右箭头相对同一盒子对称定位 */
.ai-academy__strip {
  width: 100%;
}

.ai-academy__viewport {
  position: relative;
  width: 100%;
}

/* 可横向滚动但不显示底部滚动条（不再做左右 padding，避免左键落在「图外」） */
.ai-academy__scroll {
  width: 100%;
  margin: 0 auto;
  overflow-x: auto;
  overflow-y: visible;
  padding: 8px 0 12px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.ai-academy__scroll::-webkit-scrollbar {
  display: none;
  height: 0;
  width: 0;
}

.ai-academy__nav-btn {
  position: absolute;
  top: 50%;
  z-index: 25;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  color: #1a3358;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 0 0 1px rgba(15, 40, 80, 0.06),
    0 6px 28px rgba(15, 45, 90, 0.18);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition:
    transform 0.22s ease,
    background 0.2s,
    border-color 0.2s,
    box-shadow 0.2s,
    opacity 0.2s;
}

.ai-academy__nav-btn--prev {
  left: 14px;
}

.ai-academy__nav-btn--next {
  right: 14px;
}

.ai-academy__nav-btn:hover:not(:disabled) {
  background: #fff;
  border-color: #fff;
  box-shadow:
    0 0 0 1px rgba(0, 86, 255, 0.12),
    0 8px 32px rgba(15, 45, 90, 0.22);
  transform: translateY(-50%) scale(1.05);
}

.ai-academy__nav-btn:disabled {
  opacity: 0.32;
  cursor: not-allowed;
  transform: translateY(-50%);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

/* 折线箭头，替代 ‹ › */
.ai-academy__chev {
  display: block;
  width: 9px;
  height: 9px;
  box-sizing: border-box;
  border: solid #1a3358;
  border-width: 0 0 2px 2px;
}

.ai-academy__nav-btn--prev .ai-academy__chev {
  transform: rotate(45deg);
  margin-left: 3px;
}

.ai-academy__nav-btn--next .ai-academy__chev {
  transform: rotate(-135deg);
  margin-right: 3px;
}

.ai-academy__nav-btn:disabled .ai-academy__chev {
  border-color: #8899aa;
}

.ai-academy__row {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 12px;
  width: max-content;
  margin: 0 auto;
  align-items: flex-start;
}

.ai-card {
  flex: 0 0 auto;
  width: 250px;
  height: 500px;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
  background: #e8ecf1;
  position: relative;
  transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s ease;
}

.ai-card:hover {
  width: 600px;
  z-index: 10;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.16);
}

/* 首张默认即为展开宽度 */
.ai-card--expanded {
  width: 600px;
  z-index: 5;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.16);
}

.ai-card--expanded:hover {
  z-index: 10;
}

.ai-card__media {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  overflow: hidden;
}

.ai-card__thumb,
.ai-card__full {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
  transition: opacity 0.34s ease;
}

.ai-card__thumb {
  opacity: 1;
}

.ai-card__full {
  opacity: 0;
}

.ai-card:hover .ai-card__thumb {
  opacity: 0;
}

.ai-card:hover .ai-card__full {
  opacity: 1;
}

/* 首张默认 expanded：大图在上（须在 .ai-card__full 默认 opacity 之后，否则会被盖住） */
.ai-card.ai-card--expanded .ai-card__thumb {
  opacity: 0;
  transition: none;
}

.ai-card.ai-card--expanded .ai-card__full {
  opacity: 1;
  transition: none;
}

.ai-academy__footer {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  /* width: var(--w-page); */
  margin:30px auto;
  padding: 5px 30px;
  background: var(--blue-primary);
  color: #fff;
  box-sizing: border-box;
}

.ai-academy__footer-text {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  line-height: 1.55;
  flex: 1;
  min-width: 0;
}

/* 设计稿：左侧小橙色矩形标 */
.ai-academy__footer-mark {
  flex-shrink: 0;
  width: 10px;
  height: 16px;
  background: #ff7a3a;
  border-radius: 1px;
}

.ai-academy__footer-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  border: 1px solid #fff;
  border-radius: 2px;
  transition: background 0.2s;
}

.ai-academy__footer-btn:hover {
  background: rgba(255, 255, 255, 0.12);
}

.ai-academy__footer-arrow {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
  margin-bottom: 1px;
}

/* —— 企业服务：宽 100%、高 700px；配图在 image/companyService/ —— */
.enterprise-service.section-block {
  padding: 50px 0;
  /* background: #f4f6f9; */
}

.enterprise-inner {
  position: relative;
  width: 100%;
  max-width: var(--w-page);
  height: 700px;
  margin: 0 auto;
  padding: 50px var(--page-pad) 28px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 0;
  background-color: #eef1f5;
  background-image: url("../image/companyService/底图.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 4px;
  overflow: hidden;
  /* box-shadow: 0 8px 32px rgba(20, 45, 90, 0.08); */
}

/* 轻微压暗，保证文字与 icon 可读（底图较亮时可调 opacity） */
.enterprise-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

.enterprise-hero {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  flex: 0 0 auto;
  min-height: 0;
  padding-bottom: 4px;
}

.enterprise-hero__text {
  flex: 0 1 44%;
  padding-top: 0;
}

.enterprise-title {
  margin: 0 0 14px;
  font-size: 40px;
  font-weight: 700;
  color: #141826;
  letter-spacing: 0.02em;
  line-height: 1.2;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.enterprise-sub {
  margin: 0;
  font-size: 15px;
  font-weight: 400;
  color: #6b7280;
  line-height: 1.8;
  letter-spacing: 0.08em;
  max-width: 28em;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.enterprise-hero__visual {
  flex: 0 1 54%;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  max-height: 288px;
}

.enterprise-hero__visual img {
  display: block;
  max-width: 100%;
  max-height: 288px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.enterprise-cols {
  position: relative;
  z-index: 1;
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  min-height: 0;
  margin-top: 20px;
  padding-top: 26px;
  border-top: 1px solid rgba(27, 42, 65, 0.14);
}

.enterprise-col {
  position: relative;
  padding: 6px 22px 4px 22px;
  border-right: none;
}

.enterprise-col:first-child {
  padding-left: 0;
}

.enterprise-col:last-child {
  padding-right: 0;
}

/* 竖线：与设计稿一致，不贯穿整块，约在 icon～正文区域高度 */
.enterprise-col:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 14px;
  right: 0;
  width: 1px;
  background: rgba(27, 42, 65, 0.12);
}

.enterprise-col__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.enterprise-col__icon img {
  display: block;
  max-width: 48px;
  max-height: 48px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.enterprise-col__title {
  margin: 0 0 12px;
  font-size: 28px;
  font-weight: 700;
  color: #000;
  line-height: 1.35;
  letter-spacing: 0.02em;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.enterprise-col__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  letter-spacing: 0.08em;
  color: #6b7280;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

/* —— 企业服务 / 个人服务 整图 —— */
.block-img {
  width: 100%;
  max-width: var(--w-page);
  margin: 0 auto;
  line-height: 0;
}

.block-img img {
  width: 100%;
  height: auto;
  max-width: 100%;
}

/* —— 个人服务（设计稿：标题 + 箭头 + 四卡阶梯） —— */
.personal-service.section-block {
  padding-top: 48px;
  padding-bottom: 64px;
  background: #fff;
}

.personal-inner {
  width: 100%;
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  box-sizing: border-box;
}

.personal-header {
  margin-bottom: 20px;
}

.personal-title {
  margin: 0 0 14px;
  font-size: 40px;
  font-weight: 700;
  color: #141826;
  letter-spacing: 0.02em;
  line-height: 1.2;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.personal-sub {
  margin: 0;
  font-size: 15px;
  font-weight: 400;
  color: #6b7280;
  line-height: 1.8;
  letter-spacing: 0.08em;
  max-width: 28em;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.personal-arrow {
  width: 100%;
  margin: 0 0 8px;
  line-height: 0;
}

.personal-arrow img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.personal-service .personal-cards {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-top: 20px;
}

.personal-card {
  flex: 1 1 0;
  min-width: 0;
  box-sizing: border-box;
  margin: 0;
}

.personal-card__frame {
  position: relative;
  display: block;
  width: 100%;
  line-height: 0;
}

.personal-card__img {
  display: block;
  width: 100%;
  height: auto;
}

.personal-card__title {
  position: absolute;
  z-index: 1;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  box-sizing: border-box;
  width: 92%;
  margin: 0;
  font-size: 50px;
  /* font-weight: 700; */
  color: #1565c0;
  line-height: 1.35;
  text-align: center;
  text-shadow: 0 0 6px #fff, 0 0 10px rgba(255, 255, 255, 0.9);
  pointer-events: none;
}

.personal-card__desc {
  position: absolute;
  z-index: 1;
  bottom: var(--personal-desc-bottom, 5%);
  left: 50%;
  transform: translateX(-50%);
  box-sizing: border-box;
  width: 92%;
  margin: 0;
  font-size: 40px;
  font-weight: 500;
  color: #1a1f2e;
  line-height: 1.5;
  text-align: center;
  text-shadow: 0 0 6px #fff, 0 0 10px rgba(255, 255, 255, 0.9);
  pointer-events: none;
}

/* 各卡副文案距底部单独可调（百分比相对底图高度）。
   对应 HTML：左→右底图须为 第4屏4、3、2、1，勿改文件名顺序。 */
.personal-card--1 {
  --personal-desc-bottom: 12%;
}

.personal-card--2 {
  --personal-desc-bottom: 16%;
}

.personal-card--3 {
  --personal-desc-bottom: 12%;
}

.personal-card--4 {
  --personal-desc-bottom: 22%;
}

/* —— 学习进阶：区块底图 progress/第5屏底图.png；左 ai；右 progress —— */
.growth-section {
  width: 100%;
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 0 0 64px;
  box-sizing: border-box;
  background-image: url("../image/progress/第5屏底图.png");
  background-repeat: no-repeat;
  background-position: center top;
  background-size: cover;
}

.growth-section__header {
  width: 100%;
  max-width: var(--w-page);
  margin: 0 auto 28px;
  padding: 0 var(--page-pad);
  box-sizing: border-box;
}

.growth-section__title {
  margin: 0 0 10px;
  font-size: 32px;
  font-weight: 800;
  color: var(--color-title);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.growth-section__sub {
  margin: 0;
  font-size: 15px;
  color: #6b7280;
  letter-spacing: 0.06em;
}

.growth-panel {
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  box-sizing: border-box;
}

.growth-panel__inner {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  gap: 0;
  min-height: 520px;
  border-radius: 4px;
  overflow: hidden;
}

.growth-panel__left {
  flex: 1 1 50%;
  min-width: 0;
  padding: 70px var(--page-pad) 40px var(--page-pad);
  box-sizing: border-box;
  border-right: 1px solid rgba(0, 0, 0, 0.06);
}

.growth-panel__right {
  flex: 1 1 50%;
  min-width: 0;
  padding: 140px 0px 50px 195px;
  box-sizing: border-box;
}

.growth-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.growth-row:last-child {
  border-bottom: none;
}

.growth-row__body {
  flex: 1 1 auto;
  min-width: 0;
  text-align: left;
}

.growth-row__title {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
  color: #1a1f2e;
  line-height: 1.35;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.growth-row__desc {
  margin: 0;
  font-size: 13px;
  color: #5c6370;
  line-height: 1.65;
  max-width: 36em;
}

.growth-row__media {
  flex-shrink: 0;
  width: min(160px, 28vw);
  line-height: 0;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(227, 242, 252, 0.6);
}

.growth-row__media img {
  display: block;
  width: 100%;
  height: auto;
}

.growth-stage {
  margin-bottom: 22px;
}

.growth-stage:last-child {
  margin-bottom: 0;
}

.growth-stage__head {
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.growth-stage__labels {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  min-width: 0;
}

.growth-stage__zh {
  font-size: 20px;
  font-weight: 700;
  color: #0056e8;
  line-height: 1.3;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.growth-stage__en {
  font-size: 14px;
  font-weight: 500;
  color: #1a1f2e;
  letter-spacing: 0.02em;
}

.growth-stage__pct {
  flex-shrink: 0;
  display: block;
  width: auto;
  height: 40px;
  max-width: 100px;
  object-fit: contain;
}

.growth-stage__track {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.growth-stage__bar-label {
  flex-shrink: 0;
  font-size: 16px;
  font-weight: 500;
  color: #5c6370;
  line-height: 1.2;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  white-space: nowrap;
}

.growth-stage__bar-wrap {
  flex: 1 1 auto;
  min-width: 0;
}

.growth-stage__bar {
  display: block;
  width: 100%;
  height: auto;
}

@media (max-width: 960px) {
  .growth-panel__inner {
    flex-direction: column;
  }

  .growth-panel__left {
    border-right: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  }
}

/* —— 企业介绍：整段背景=底图；文字区域背景=彩色框（均为 companyIntroduction） —— */
.about-section {
  padding: 56px 0 72px;
  box-sizing: border-box;
  background-image: url("../image/companyIntroduction/底图.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.about-section__inner {
  width: 100%;
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  box-sizing: border-box;
}

.intro-card {
  position: relative;
  max-width: 1600px;
  margin: 0 auto;
  background: none;
  border: none;
  box-shadow: none;
}

.intro-card__content {
  position: relative;
  z-index: 1;
  padding: 40px var(--page-pad) 48px;
  box-sizing: border-box;
  background-color: transparent;
  background-image: url("../image/companyIntroduction/彩色框.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100% 100%;
}

.intro-card__head {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 24px;
  margin-bottom: 28px;
  padding-right: min(260px, 38%);
  box-sizing: border-box;
}

.intro-card__head-left {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.intro-card__icon {
  display: block;
  width: 40px;
  height: auto;
  flex-shrink: 0;
}

.intro-card__title {
  margin: 0;
  padding: 0;
  font-size: 0;
  line-height: 0;
}

.intro-card__title-mark {
  display: inline-block;
  padding: 6px 14px 8px;
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.06em;
  line-height: 1.25;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.intro-card__tab {
  position: absolute;
  top: -5px;
  right: 70px;
  z-index: 2;
  margin: 0;
  padding: 11px 20px 11px 28px;
  max-width: min(280px, 52%);
  box-sizing: border-box;
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.07em;
  line-height: 1.35;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  text-align: center;
  text-shadow: 0 1px 8px rgba(0, 20, 50, 0.45);
  background: transparent;
  border: none;
  border-radius: 0 14px 0 18px;
  pointer-events: none;
}

.intro-card__body {
  max-width: 58em;
}

.intro-card__body p {
  margin: 0 0 18px;
  font-size: 15px;
  font-weight: 400;
  color: #fff;
  line-height: 1.85;
  letter-spacing: 0.02em;
  text-align: left;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.intro-card__body p:last-child {
  margin-bottom: 0;
}

@media (max-width: 720px) {
  .intro-card__head {
    flex-direction: column;
    align-items: flex-start;
    padding-right: min(168px, 58%);
  }

  .intro-card__tab {
    top: 0;
    right: 0;
    max-width: min(210px, 58vw);
    padding: 9px 14px 9px 20px;
    font-size: 12px;
    letter-spacing: 0.1em;
    border-radius: 0 11px 0 14px;
    /* 勿与 -webkit-line-clamp / -webkit-box 同用：会吞字距或排版异常 */
    max-height: calc(1.35em * 2 + 2px);
    line-height: 1.35;
    overflow: hidden;
    word-break: break-all;
    text-align: center;
  }

  .intro-card__content {
    padding: 28px 22px 32px;
  }
}

/* —— 页脚 / 立即行动：背景仅 image/contact/底图.png —— */
.site-footer {
  position: relative;
  color: #fff;
  padding: 52px 0 40px;
  box-sizing: border-box;
  background-image: url("../image/contact/底图.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  overflow: hidden;
}

.site-footer__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  box-sizing: border-box;
}

.site-footer__title {
  margin: 0 0 28px;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #fff;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.site-footer__actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 36px 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.site-footer__action {
  margin: 0;
  padding: 0;
}

.site-footer__action-title {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.site-footer__action-desc {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.9);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.site-footer__btn {
  display: inline-block;
  padding: 10px 26px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.06em;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 999px;
  background: transparent;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.site-footer__btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

.site-footer__base {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px 40px;
  padding-top: 28px;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.88);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.site-footer__meta {
  flex: 1 1 auto;
  min-width: 0;
}

.site-footer__company {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

.site-footer__copyright {
  margin: 0;
  opacity: 0.92;
}

.site-footer__address {
  margin: 0;
  flex: 0 1 28em;
  text-align: right;
  opacity: 0.92;
}

@media (max-width: 900px) {
  .site-footer__actions {
    grid-template-columns: 1fr;
  }

  .site-footer__base {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-footer__address {
    text-align: left;
  }
}

.page-industry {
  background-color: #eaf2fb;
}

.industry-main {
  position: relative;
  width: 100%;
  max-width: var(--w-page);
  margin: 0 auto;
  min-height: 40vh;
}

.industry-page-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url("../image/imgLink/底图.png") center top / cover no-repeat;
  pointer-events: none;
}

.industry-hero,
.industry-board {
  position: relative;
  z-index: 1;
}

.industry-hero {
  padding: 32px var(--page-pad) 0;
  box-sizing: border-box;
}

/* 整块圆角容器：上标题区（行业动态底图） + 下两列无缝并排 */
.industry-hero__sheet {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 0;
  overflow: hidden;
  border-radius: 16px;
  box-sizing: border-box;
  box-shadow: 0 18px 48px rgba(12, 48, 120, 0.16);
}

.industry-hero__head {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 172px;
  padding: 28px 32px;
  box-sizing: border-box;
  background-color: #0b4aae;
  background-image: url("../image/imgLink/行业动态底图.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.industry-hero__title {
  margin: 0;
  text-align: center;
  font-size: 46px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-shadow: 0 2px 24px rgba(0, 15, 60, 0.35);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
}

.industry-hero__cats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  width: 100%;
  margin: 0;
}

.industry-cat-card {
  position: relative;
  display: block;
  min-height: 176px;
  border-radius: 0;
  overflow: hidden;
  box-shadow: none;
  outline: none;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.industry-cat-card:last-child {
  border-right: none;
}

.industry-cat-card__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* 底图已含渐变时仅极轻压暗底部，保证白字可读 */
.industry-cat-card__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 12, 48, 0) 0%,
    rgba(0, 16, 56, 0.18) 100%
  );
  pointer-events: none;
}

.industry-cat-card__corner {
  position: absolute;
  top: 15px;
  right: 15px;
  z-index: 3;
  max-height: 28px;
  width: auto;
  max-width: min(42%, calc(100% - 104px));
  object-fit: contain;
  pointer-events: none;
  opacity: 0.95;
}

.industry-cat-card__stack {
  position: absolute;
  left: 22px;
  top: 20px;
  right: 70px;
  bottom: auto;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.industry-cat-card__icon {
  width: 44px;
  height: 44px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.28));
}

.industry-cat-card__arrow-wrap {
  position: absolute;
  /* 与 44px 图标垂直居中对齐：20 + (44−34)/2 ≈ 25 */
  top: 25px;
  right: 22px;
  z-index: 4;
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.38);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(0, 25, 70, 0.2);
}

.industry-cat-card__arrow {
  display: block;
  width: 8px;
  height: 8px;
  margin: -1px -1px 0 0;
  border: solid #fff;
  border-width: 2px 2px 0 0;
  transform: rotate(45deg);
}

.industry-cat-card__text {
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 4;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
  letter-spacing: 0.02em;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.35);
}

.industry-cat-card:hover {
  filter: brightness(1.04);
}

.industry-cat-card:hover .industry-cat-card__arrow-wrap {
  background: rgba(255, 255, 255, 0.32);
}

.industry-cat-card:hover .industry-cat-card__scrim {
  background: linear-gradient(
    180deg,
    rgba(0, 12, 48, 0) 0%,
    rgba(0, 16, 56, 0.12) 100%
  );
}

.industry-board {
  padding: 28px var(--page-pad) 56px;
}

.industry-board__inner {
  width: 100%;
  max-width: var(--w-page);
  margin: 0 auto;
  box-sizing: border-box;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 28px;
}

.industry-news-card {
  margin: 0;
  height: 440px;
  box-sizing: border-box;
  overflow: hidden;
}

.industry-news-card__link {
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  height: 100%;
  min-height: 0;
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(0, 86, 255, 0.12);
  box-shadow: 0 10px 28px rgba(23, 52, 94, 0.08);
  transition: box-shadow 0.22s ease, transform 0.22s ease;
  color: inherit;
}

.industry-news-card__link:hover {
  box-shadow: 0 16px 42px rgba(23, 52, 94, 0.14);
  transform: translateY(-3px);
}

.industry-news-card__pic {
  flex: 0 0 auto;
  width: 100%;
  overflow: hidden;
  background: #e8edf5;
}

/* 原图比例铺满卡片宽度（height:auto），不设 cover / 不按比例拉伸 */
.industry-news-card__pic img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.industry-news-card__body {
  flex: 1 1 auto;
  min-height: 0;
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  justify-content: safe center;
  align-items: stretch;
  gap: 8px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* 设计稿：粉/洋红主标题 → 黑色副标 → 灰色摘要，三行紧靠、非 space-between */
.industry-news-card__title {
  margin: 0;
  flex-shrink: 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: #0056e8;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.industry-news-card__sub {
  margin: 0;
  flex-shrink: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
  color: #1a1a1a;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

/* 文案整块在留白区垂直居中；过高时整块在 body 内滚动（safe center 溢出贴顶） */
.industry-news-card__excerpt {
  margin: 0;
  flex: 0 0 auto;
  font-size: 14px;
  line-height: 1.7;
  color: #556174;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

.site-footer__address a:hover {
  opacity: 1;
  text-decoration: underline;
}

@media (max-width: 960px) {
  .industry-hero {
    padding: 20px 22px 0;
  }

  .industry-hero__head {
    min-height: 140px;
    padding: 22px 18px;
  }

  .industry-hero__title {
    font-size: 30px;
    letter-spacing: 0.08em;
  }

  .industry-hero__cats {
    grid-template-columns: 1fr;
  }

  .industry-cat-card {
    min-height: 158px;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

  .industry-cat-card:last-child {
    border-bottom: none;
  }

  .industry-grid {
    grid-template-columns: 1fr;
  }

  .industry-board {
    padding: 22px 22px 44px;
  }
}

/* —— 联系我们弹层：image/contact/phone.png —— */
body.contact-phone-modal-open {
  overflow: hidden;
}

.contact-phone-modal {
  position: fixed;
  inset: 0;
  z-index: 20000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 32px);
  box-sizing: border-box;
}

.contact-phone-modal[hidden] {
  display: none !important;
}

.contact-phone-modal__backdrop {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  border: none;
  background: rgba(6, 14, 34, 0.58);
  cursor: pointer;
}

.contact-phone-modal__dialog {
  position: relative;
  z-index: 1;
  max-width: min(520px, 96vw);
  max-height: 90vh;
  margin: 0;
  outline: none;
}

.contact-phone-modal__pic {
  display: block;
  width: 100%;
  height: auto;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 12px;
}

/* —— 大屏（约 2K+）：内容区已随 --w-page 变宽，这里同步略放大字阶与主信息区 —— */
@media (min-width: 2100px) {
  .site-header__slogan {
    font-size: clamp(15px, 0.82vw, 18px);
  }

  .site-logo {
    font-size: clamp(22px, 1.05vw, 26px);
  }

  .site-nav > a,
  .site-nav__item > a {
    padding: 10px clamp(20px, 1.1vw, 28px);
    font-size: clamp(16px, 0.9vw, 18px);
  }

  .site-header__cta {
    padding: 11px clamp(28px, 1.6vw, 40px);
    font-size: clamp(15px, 0.88vw, 17px);
  }

  .section-title {
    font-size: clamp(36px, 1.75vw, 48px);
  }

  .section-sub {
    font-size: clamp(15px, 0.85vw, 18px);
    margin-bottom: clamp(32px, 2.5vw, 48px);
  }

  .section-block {
    padding: clamp(64px, 5vw, 96px) 0 clamp(72px, 5.5vw, 104px);
  }

  .ai-academy__title {
    font-size: clamp(50px, 2.4vw, 64px);
  }

  .enterprise-title {
    font-size: clamp(40px, 1.9vw, 52px);
  }

  .enterprise-sub {
    font-size: clamp(15px, 0.88vw, 18px);
  }

  .enterprise-hero__visual,
  .enterprise-hero__visual img {
    max-height: clamp(288px, 18vw, 400px);
  }

  .enterprise-col__title {
    font-size: clamp(28px, 1.35vw, 34px);
  }

  .enterprise-col__desc {
    font-size: clamp(15px, 0.88vw, 18px);
  }

  .personal-title {
    font-size: clamp(40px, 1.9vw, 52px);
  }

  .personal-sub {
    font-size: clamp(15px, 0.88vw, 18px);
  }

  .personal-card__title {
    font-size: clamp(50px, 2.4vw, 60px);
  }

  .personal-card__desc {
    font-size: clamp(40px, 1.9vw, 48px);
  }

  .growth-section__title {
    font-size: clamp(32px, 1.6vw, 40px);
  }

  .growth-section__sub {
    font-size: clamp(15px, 0.88vw, 18px);
  }

  .site-footer__title {
    font-size: clamp(32px, 1.6vw, 40px);
  }

  .intro-card {
    max-width: min(2600px, 100%);
  }

  .intro-card__title-mark {
    font-size: clamp(26px, 1.25vw, 32px);
  }

  .intro-card__body p {
    font-size: clamp(15px, 0.88vw, 18px);
  }

  .industry-hero__title {
    font-size: clamp(46px, 2.2vw, 56px);
  }
}