/* stylelint-disable selector-class-pattern */
/* stylelint-disable no-descending-specificity */

/* ============================================================
   common.css —— 全站公共样式（子页面通用）
   与 index.css 同源：Header / 移动端导航 / 入场动画体系 / Footer
   另增：子页面 Banner、面包屑、通用内容排版
   ============================================================ */

/* 横向裁剪：html + body 同时设置 —— 部分移动端浏览器（iOS Safari /
   旧版 Chrome）只认根滚动容器的裁剪，单独设在 body 无法阻止整页横滑 */
html,
body {
  overflow-x: clip;
}

/* ================= Header ================= */
.header {
  /* padding: 0 5rem; */
  padding: 0 clamp(1.5rem, 4vw, 3rem);
  height: 5rem;
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9;
  transition:
    background-color 0.35s ease,
    box-shadow 0.35s ease,
    backdrop-filter 0.35s ease,
    height 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.header-scrolled {
  height: 4rem;
  background-color: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(12px);
}

.header-scrolled .header__nav-item a {
  color: #333;
}

.header-scrolled .header__nav-item_status_active > a,
.header-scrolled .header__nav-item:hover > a {
  color: var(--color-primary);
}

.hamburger {
  display: none;
}

.header-scrolled .hamburger .bar {
  background: #333;
}

.bar {
  display: block;
  width: clamp(1.25rem, 1.1145rem + 0.578vw, 1.5625rem);
  height: 2px;
  margin: 5px auto;
  transition: all 0.3s ease-in-out;
  background-color: white;
}

.header__logo {
  /* // todo 4rem */
  width: clamp(8rem, 30vw, 14rem);
  transition: width 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.header-scrolled .header__logo {
  width: clamp(8rem, 25vw, 11.5rem);
}

@media (hover: hover) {
  .header__lang-btn:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
  }

  .header-scrolled .header__lang-btn:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
  }
}

.header__nav {
  height: 100%;
}

.header__nav-item {
  padding: 0 1rem;
  font-size: clamp(0.8rem, 0.3vw, 1rem);
  text-align: center;
  flex-shrink: 0;
  height: 100%;
  color: #fff;
}

.header__nav-item a {
  color: #fff;
  transition: color 0.3s ease;
  display: block;
  font-size: var(--fs-nav);
}

.header__nav-item:hover > a {
  color: var(--color-primary);
}

.header__nav-item::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 26%;
  transform: translate3d(-50%, 0, 0);
  height: 0.2rem;
  width: 0;
  opacity: 0;
  border-radius: 1rem;
  background-color: var(--color-primary);
  transition: width 0.45s var(--ttf), opacity 0.45s var(--ttf);
}

.header__nav-item_status_active a {
  color: var(--color-primary);
}

.header__nav-item_status_active::before {
  width: 1rem;
  opacity: 1;
}

/* 下拉菜单 */
.header__nav-item-dropdown {
  position: absolute;
  top: 110%;
  left: 50%;
  min-width: 12rem;
  transform: translateX(-50%);
  background: #fff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  overflow: hidden;
  height: 0;
  opacity: 0;
  transition: height 0.32s cubic-bezier(0.22, 0.61, 0.36, 1), opacity 0.32s ease;
  z-index: 100;
  visibility: hidden;
}

.header__nav-item-dropdown.open {
  opacity: 1;
  visibility: visible;
}

.header__nav-item-dropdown-content .dropdown-item {
  padding: 10px 0;
  border-bottom: 1px solid #f0f0f0;
  cursor: pointer;
  transition: color 0.25s ease, background-color 0.25s ease;
  font-size: var(--fs-caption);
  color: #999;
}

.header__nav-item-dropdown-content .dropdown-item:hover {
  color: var(--color-primary);
  background-color: #fafafa;
}

/* 下拉面板：与导航下拉同款圆角、阴影、展开动效 */

/* ================= 语言切换 ================= */
.header__lang {
  margin-left: 1.2rem;
  flex-shrink: 0;
}

/* 胶囊按钮：描边 + 地球 + 当前语言 + 箭头，与导航同字号 */
.header__lang-btn {
  gap: 6px;
  padding: 5px 12px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  color: #fff;
  font-size: var(--fs-nav);
  line-height: 1.4;
  outline: none;
  transition: color 0.3s ease, border-color 0.3s ease, background-color 0.3s ease;
}

.header__lang-btn:focus {
  box-shadow: none;
}

.header__lang-caret {
  transition: transform 0.25s ease;
}

.header__lang-btn[aria-expanded="true"] .header__lang-caret {
  transform: rotate(180deg);
}

.header-hamurger {
  background-color: #fff;
}

/* 滚动变白底后，按钮随之转深色 */
.header-hamurger .hamburger .bar {
  background-color: #333;
}

.header-scrolled .header__lang-btn,
.header-hamurger .header__lang-btn {
  color: #333;
  border-color: rgba(0, 0, 0, 0.18);
}

.header__lang-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 7rem;
  padding: 6px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transform: translate3d(0, -6px, 0);
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.22, 0.61, 0.36, 1), visibility 0s linear 0.25s;
  z-index: 201;
}

.header__lang-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, 0, 0);
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.22, 0.61, 0.36, 1), visibility 0s;
}

.header__lang-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: var(--fs-body);
  color: #666;
  transition: color 0.2s ease, background-color 0.2s ease;
}

/* 选中项：主色 + 对勾 */
.header__lang-option_status_active {
  color: var(--color-primary);
  font-weight: 600;
}

.header__lang-option_status_active::after {
  content: "✓";
  margin-left: 12px;
  font-size: 0.85em;
}

@media (hover: hover) {
  .header__lang-option:hover {
    color: var(--color-primary);
    background-color: #fafafa;
  }
}

/* 移动端竖排导航 */
.header__nav-vertical {
  position: fixed;
  width: 100%;
  right: 0;
  height: 100%;
  top: 5rem;
  z-index: 7;
  transform: translate3d(100%, 0, 0);
  background-color: #f1f1f1;
  visibility: hidden;
  transition: transform 0.45s cubic-bezier(0.22, 0.61, 0.36, 1), visibility 0s linear 0.45s;
  overflow-y: auto;
}

.header__nav-vertical.active {
  transform: translate3d(0, 0, 0);
  visibility: visible;
  transition: transform 0.45s cubic-bezier(0.22, 0.61, 0.36, 1), visibility 0s;
}

.header__nav-vertical-item + .header__nav-vertical-item { border-top: 1px solid #eee; }

.header__nav-vertical-item-title {
  height: 2.8rem;
  padding: 0 1rem;
  box-sizing: border-box;
  cursor: pointer;
  background: #f1f1f1;
  font-weight: 600;
  transition: color 0.2s ease;
  border-bottom: 1px solid #fff;
  font-size: var(--fs-body);
}

.header__nav-vertical-item-content {
  display: none;
  padding: 0 1rem;
  box-sizing: border-box;
  color: #555;
  line-height: 1.6;
  background: #f1f1f1;
  font-size: var(--fs-body);
}

.header__nav-vertical-item-content-item {
  padding: 0.3rem 0.5rem;
  color: #666 !important;
  display: block;
}

.header__nav-vertical-item.active .header__nav-vertical-item-title {
  color: var(--color-primary);
}

.header__nav-vertical-item-title-icon {
  width: 1rem;
  height: 1rem;
  transform: rotate(-180deg);
  transition: transform 0.25s ease;
}

.header__nav-vertical-item.active .header__nav-vertical-item-title-icon {
  transform: rotate(-90deg);
}

.header__nav-vertical-item-title-word {
  color: #333;
}

/* ================= 区块标题（逐字上浮） ================= */
.title {
  position: relative;
  font-size: var(--fs-h1);
  margin: clamp(2rem, 2.3vw, 3rem) 0;
}

.title .title-char {
  display: inline-block;
  opacity: 0;
  transform: translate3d(0, 0.7em, 0);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.title.is-revealed .title-char {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.title::before,
.title::after {
  content: "";
  height: 2px;
  width: 100px;
  background-color: #787777;
  position: absolute;
  top: 50%;
}

.title::before {
  left: 0;
  margin-left: clamp(-9.375rem, -5.7912rem + -4.6243vw, -6.875rem);
}

.title::after {
  right: 0;
  margin-right: clamp(-9.375rem, -5.7912rem + -4.6243vw, -6.875rem);
}

/* ================= 滚动入场动画体系 ================= */
[data-reveal] {
  opacity: 0;
  transition:
    opacity 0.8s cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 0.8s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: opacity, transform;
}

[data-reveal="fade-up"] { transform: translate3d(0, 48px, 0); }
[data-reveal="fade-down"] { transform: translate3d(0, -48px, 0); }
[data-reveal="fade-left"] { transform: translate3d(-48px, 0, 0); }
[data-reveal="fade-right"] { transform: translate3d(48px, 0, 0); }
[data-reveal="zoom"] { transform: scale(0.88); }

[data-reveal="from-tl"] { transform: translate3d(-64px, -64px, 0); }
[data-reveal="from-tr"] { transform: translate3d(64px, -64px, 0); }

[data-reveal="from-tl"],
[data-reveal="from-tr"] {
  transition:
    opacity 0.7s ease,
    transform 0.7s var(--ttf);
}

[data-reveal="chars"] {
  opacity: 1;
  transform: none;
  will-change: auto;
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
  will-change: auto;
}

/* ================= 子页面 Banner ================= */

/* 设计稿 banner 为 1920x630 且标语已内嵌；固定比例缩放，
   窄屏时裁右侧保留左侧标语区 */
.page-banner {
  position: relative;
  height: clamp(11rem, 38vw, 40rem);
  overflow: hidden;
}

.page-banner__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.page-banner__word {
  position: absolute;
  left: 5%;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(0.625rem, 0.0831rem + 2.3121vw, 1.875rem);
  color: white;
}

.page-banner__word-take,
.page-banner__word-quality,
.page-banner__word-product {
  grid-template-columns: repeat(1, 1fr);
}

.page-banner__word-quality > h3:nth-child(1) {
  margin-left: 1rem;
}

.page-banner__word-quality > h3:nth-child(2) {
  margin-left: 2rem;
}

.page-banner__word-quality > h3:nth-child(3) {
  margin-left: 3rem;
}

.page-banner__word > h3 {
  font-size: clamp(1rem, 0.1329rem + 3.6994vw, 3rem);
  margin-bottom: 0;
}

/* ================= 面包屑 ================= */
.breadcrumb {
  padding: 1rem 6%;
  font-size: var(--fs-caption);
  color: #999;
  background: #fff;
  border-bottom: 1px solid #f3f3f5;
}

.breadcrumb a {
  color: #999;
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb__sep {
  margin: 0 0.5em;
  color: #ccc;
}

.breadcrumb__current {
  color: var(--color-primary);
}

/* ================= 主体布局 ================= */
.middle-wrap {
  background-color: #fff;
}

.page-main {
  position: relative;
  z-index: 1;
  background-color: #fff;
  padding: 0 6% 3rem;
  margin: 0 auto;
}

.page-section {
  margin-bottom: clamp(1rem, 3vw, 2.5rem);
}

/* 通用正文段落 */
.page-text {
  color: var(--color-text-light);
  line-height: 2;
  font-size: var(--fs-body);
}

/* ================= 通用组件（子页面复用） ================= */

/* 粉色区块小标题（如 SMT主要设备 / 工程体系） */
.section-label {
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--fs-h3);
  margin: clamp(1.2rem, 3vw, 2.2rem) 0 clamp(0.8rem, 2vw, 1.4rem);
}

/* 卡片网格 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(12px, 2vw, 24px);
}

.card-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.card-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

/* 图文卡片（设备 / 荣誉 / 认证通用） */
.media-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(15, 23, 42, 0.08);
  padding: clamp(12px, 1.6vw, 20px);
  text-align: center;
  transition: transform 0.45s cubic-bezier(0.22, 0.61, 0.36, 1), box-shadow 0.45s ease;
}

.media-card__thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 8px;
}

.media-card__thumb img {
  max-width: 100%;
  height: auto;
  transition: transform 0.8s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.media-card__name {
  margin-top: 0.9rem;
  font-size: var(--fs-body);
  color: #333;
  line-height: 1.5;
}

@media (hover: hover) {
  .media-card {
    position: relative;
  }

  /* 命中区向上下各外扩 8px（= hover 上移量）：卡片上移后光标仍落在命中区内，
     避免滚动经过时 hover 高频通断引发的卡片闪烁抖动；
     左右不外扩，防止窄视口下列间命中区桥接 */
  .media-card::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: -8px;
    bottom: -8px;
  }

  .media-card:hover {
    transform: translate3d(0, -8px, 0);
    box-shadow: 0 18px 40px rgba(32, 32, 32, 0.18);
  }

  .media-card:hover .media-card__thumb img {
    transform: scale(1.05);
  }
}

/* 轮播 */
.carousel {
  position: relative;
  overflow: hidden;

  /* height: 100vh; */
  z-index: 0;
  width: 100%;
  will-change: transform; /* 视差位移仅作用于此元素 */
}

/* 滑动轨道：真正被 translateX 的元素 */
.carousel-track {
  display: flex;
  height: 100%;

  /* width: 100%; */
  transition: transform 0.9s ease;
  will-change: transform; /* 横向轮播位移作用于此元素 */
}

.carousel-item {
  flex: 0 0 100%;     /* 不放大、不缩小、基础宽度 100% */

  /* flex: 0 0 100%; */

  /* position: absolute;
  top: 0;
  left: 0; */

  /* width: 100%;
  height: 100%;
  transition: transform 0.9s ease; */
}

/* 分页条 */
.pager {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(1.6rem, 3vw, 2.6rem) 0 0.5rem;
}

.pager__item.disabled {
  pointer-events: none;
}

.pager__item.disabled svg {
  fill: #ccc;
}

.pager__item {
  min-width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #eee;
  color: #666;
  font-size: var(--fs-caption);
  border-radius: 4px;
  cursor: pointer;
  background: #fff;
  padding: 0 8px;
  transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
}

.pager__item_status_active,
.pager__item:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.pager__item:hover svg {
  fill: #fff;
}

/* Footer 链接化后保持原视觉 */

/* ================= Footer ================= */
.footer {
  position: relative;
  z-index: 1;
  background-color: #f6f6f8;
  padding: 2.4rem 6%;
  display: grid;
  grid-template-columns: repeat(11, 1fr);
  grid-template-areas: "logo  one two three four five six . .  qrcode  dy";
  gap: 1rem;
}

.footer-section-item {
  display: block;
}

a.footer-section-item {
  color: #a7a7a7;
  margin-bottom: 0.3rem;
  font-size: var(--fs-caption);
}

a.footer-section-item:hover {
  color: var(--color-primary);
}

.footer-section > .footer-section-a {
  color: #333;
}

.footer-section > a:hover {
  color: var(--color-primary);
}

.footer-logo {
  margin-top: 4px;
  grid-area: logo;
  width: clamp(4.125rem, 3.2038rem + 3.9306vw, 6.25rem);
}

.footer-section-1 {
  grid-area: one;
}

.footer-section-2 {
  grid-area: two;
}

.footer-section-3 {
  grid-area: three;
}

.footer-section-4 {
  grid-area: four;
}

.footer-section-5 {
  grid-area: five;
}

.footer-section-6 {
  grid-area: six;
}

.footer-section {
  font-size: var(--fs-body);
  color: #333;
  text-align: center;
}

.footer-section-item:hover {
  color: var(--color-primary);
}

.footer-section-item:nth-child(1) {
  margin-top: 1rem;
}

.footer-qrcode {
  grid-area: qrcode;
}

.footer-dy {
  grid-area: dy;
}

.footer-mini {
  grid-area: mini;
  display: none;
  cursor: pointer;
}

.footer-mini > svg {
  /* width: clamp(1rem, 2vw, 2rem); */
  width: clamp(1.25rem, 0.9249rem + 1.3873vw, 2rem);
}

.footer-mini > svg:nth-child(1) {
  margin-right: 1rem;
}

.footer-mini > svg:hover {
  fill: var(--color-primary);
}

.footer-qrcode,
.footer-dy {
  width: 8rem;
}

/** =======mask======= */
.mask {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 100vw;
  background-color: rgba(0, 0, 0, 0.7);
  display: none;
  z-index: 99999;
}

.mask-header-left {
  color: #ccc;
  margin-left: 1rem;
}

.mask-header-right {
  display: flex;
  background-color: rgba(0, 0, 0, 0.9);
}

.mask-header-right-item {
  height: 2.6rem;
  width: 2.6rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.mask-header-right-item:not(:first-child) {
  /* border-left: 1px solid #fff; */
}

.mask-btn {
  background-color: rgba(0, 0, 0, 0.9);
  border-radius: 0;
  border: none;

  /* padding: ; */
}

.mask-btn:first-child {
  margin-right: 1px;
}

/* ================= 响应式 ================= */
@media (max-width: 1200px) {
  .card-grid,
  .card-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .header__nav {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active .bar:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
  }

  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
  }

  .page-main {
    padding: 0 1.5% 3rem;
  }

  .breadcrumb {
    padding: 1rem 1.5%;
  }

  .middle__one-item-article-content {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-qrcode,
  .footer-dy {
    display: none;
  }

  .footer-mini {
    display: flex;
    justify-content: flex-end;
  }

  .footer-mini > img {
    width: 1.5rem;
  }

  .footer {
    /* padding: 2.4rem 1.5%; */
    grid-template-columns: repeat(6, 1fr);
    grid-template-areas:
      "logo . . . . mini"
      "one two three four five six";
  }

  .footer-section-1 {
    text-align: left;
  }

  .footer-section-6 {
    text-align: right;
  }
}

@media (max-width: 768px) {
  .header {
    padding: 0 1rem;
    height: 4rem;
    box-sizing: border-box;

    /* background-color: #fff !important; */
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
  }

  .header__nav-vertical {
    top: 4rem;
  }

  .page-banner__img {
    object-position: 18% 50%;
  }

  /* 宽幅标语 banner（产品服务）：移动端整图缩放展示，不裁剪 */
  .page-banner_fit {
    height: auto;
  }

  .page-banner_fit .page-banner__img {
    height: auto;
    object-fit: contain;
    object-position: center;
  }

  .title::before,
  .title::after {
    /* display: none; */
    height: 1px;
  }

  [data-reveal="fade-up"] { transform: translate3d(0, 28px, 0); }
  [data-reveal="fade-down"] { transform: translate3d(0, -28px, 0); }
  [data-reveal="fade-left"] { transform: translate3d(-28px, 0, 0); }
  [data-reveal="fade-right"] { transform: translate3d(28px, 0, 0); }
  [data-reveal="from-tl"] { transform: translate3d(-28px, -28px, 0); }
  [data-reveal="from-tr"] { transform: translate3d(28px, -28px, 0); }

  .page-main {
    padding: 0 0.5rem 2rem;
  }

  .breadcrumb {
    padding: 0.8rem 1rem;
  }

  .footer {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-template-areas: "logo logo . mini mini mini";
  }

  /* .footer-logo {
    width: 4.5rem;
  } */

  div.footer-section {
    display: none;
  }

  .footer-qrcode {
    margin-left: auto;
  }

  .footer-qrcode,
  .footer-dy {
    width: 4.5rem;
  }
}

/* 小屏手机 */
@media (max-width: 576px) {
  .card-grid--2 {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal],
  .title .title-char {
    opacity: 1 !important;
    transform: none !important;
  }

  .page-banner__img {
    transform: none !important;
  }
}