/* ==========================================================================
   鲸感科技 · 首页 V2
   统一设计语言：品牌红 #e60112 + 中性灰 + 1200px 容器
   板块：Hero → 产品中心 → 应用场景 → 核心优势 → 案例精选 → 新闻动态 → CTA
   ========================================================================== */

:root {
  --ws-red: #e60112;
  --ws-red-dark: #b3000f;
  --ws-red-deep: #8e070b;
  --ws-red-grad: linear-gradient(135deg, #f34a2f, #e60112);
  --ws-ink: #1a1f2b;
  --ws-body: #5b6470;
  --ws-muted: #8a939e;
  --ws-line: #eef0f3;
  --ws-bg-soft: #f7f8fa;
  --ws-radius: 16px;
  --ws-shadow: 0 10px 30px rgba(18, 28, 46, 0.07);
  --ws-shadow-lg: 0 22px 55px rgba(18, 28, 46, 0.12);
}

/* 作用域限定在首页，避免影响其它页面 */
.ws-home {
  --ws-font: "MontserratRegular", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-family: var(--ws-font);
  color: var(--ws-ink);
  line-height: 1.7;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  background: #fff;
  overflow-x: hidden;
}

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

.ws-home img {
  display: block;
  max-width: 100%;
}

.ws-home a {
  text-decoration: none;
  color: inherit;
}

/* ---------- 布局容器 ---------- */
.ws-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.ws-section {
  position: relative;
  padding: 96px 0;
}

/* 模块之间用渐变柔和过渡，避免浅灰色块硬切 */
.ws-scenes,
.ws-cases {
  background: linear-gradient(
    180deg,
    #fff 0%,
    var(--ws-bg-soft) 15%,
    var(--ws-bg-soft) 85%,
    #fff 100%
  );
}

.ws-section > .ws-container,
.ws-cta > .ws-container {
  position: relative;
  z-index: 1;
}

/* 顶部阅读进度条 */
.ws-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 1200;
  pointer-events: none;
  background: rgba(26, 31, 43, 0.05);
}

.ws-progress span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: var(--ws-red-grad);
  box-shadow: 0 0 10px rgba(230, 1, 18, 0.45);
}

/* 视差光斑 */
.ws-orb {
  position: absolute;
  z-index: 0;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(70px);
  will-change: transform;
}

.ws-scenes {
  overflow: hidden;
}

.ws-scenes .ws-orb-a {
  width: 420px;
  height: 420px;
  left: -150px;
  top: 6%;
  background: radial-gradient(circle, rgba(230, 1, 18, 0.1), rgba(230, 1, 18, 0) 70%);
}

.ws-scenes .ws-orb-b {
  width: 360px;
  height: 360px;
  right: -130px;
  bottom: 2%;
  background: radial-gradient(circle, rgba(255, 119, 89, 0.14), rgba(255, 119, 89, 0) 70%);
}

.ws-cases .ws-orb-c {
  width: 460px;
  height: 460px;
  right: -170px;
  top: 4%;
  background: radial-gradient(circle, rgba(230, 1, 18, 0.09), rgba(230, 1, 18, 0) 70%);
}

/* ---------- 板块标题 ---------- */
.ws-sec-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}

.ws-sec-head.left {
  margin-left: 0;
  text-align: left;
}

.ws-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--ws-red);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.ws-eyebrow::before,
.ws-sec-head.left .ws-eyebrow::after {
  content: "";
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--ws-red-grad);
  border-radius: 2px;
}

.ws-sec-head.left .ws-eyebrow::before {
  display: none;
}

.ws-sec-head h2 {
  margin: 0 0 16px;
  font-size: 40px;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--ws-ink);
}

.ws-sec-head p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ws-body);
}

/* 左右分栏的板块标题（场景 / 案例 / 资讯 使用，与产品中心的居中标题区分开） */
.ws-sec-head.split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  max-width: none;
  margin: 0 0 46px;
  text-align: left;
}

.ws-sec-head.split .ws-sec-head-main {
  max-width: 700px;
}

.ws-sec-head.split h2 {
  margin-bottom: 14px;
}

.ws-sec-head-aside {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: none;
  padding-bottom: 6px;
  font-size: 12.5px;
  line-height: 1.55;
  letter-spacing: 0.6px;
  color: var(--ws-muted);
}

.ws-sec-head-aside b {
  font-size: 46px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -1px;
  color: rgba(230, 1, 18, 0.16);
  -webkit-text-stroke: 1.4px rgba(230, 1, 18, 0.42);
}

.ws-sec-head-btn {
  flex: none;
}

/* ---------- 按钮 ---------- */
.ws-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  white-space: nowrap;
}

.ws-btn-primary {
  background: var(--ws-red-grad);
  color: #fff;
  box-shadow: 0 10px 24px rgba(230, 1, 18, 0.28);
}

.ws-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(230, 1, 18, 0.36);
  color: #fff;
}

.ws-btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.45);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.ws-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
  transform: translateY(-2px);
}

.ws-btn-line {
  background: #fff;
  color: var(--ws-red);
  border: 1px solid rgba(230, 1, 18, 0.35);
}

.ws-btn-line:hover {
  background: #fff5f5;
  color: var(--ws-red);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(230, 1, 18, 0.14);
}

/* ==========================================================================
   1. Hero
   ========================================================================== */
.ws-hero {
  position: relative;
  /* 占满首屏：导航是浮在 banner 之上的（hero top = 0），所以 100vh 正好等于一屏。
     100svh 兜底移动端浏览器地址栏收起/展开导致的 100vh 溢出。 */
  height: 100vh;
  height: 100svh;
  min-height: 480px;
  overflow: hidden;
  background: #0d1520;
}

.ws-hero-slides {
  position: absolute;
  inset: 0;
  /* 从左侧放大，保证左侧烧录的文案不会被裁切 */
  transform-origin: left center;
  will-change: transform;
}

.ws-hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  /* banner 图 2000x950，文案烧在图左侧（约距左 8.7%）。
     固定左对齐，任何窗口比例下 cover 只裁右侧，文案不会被切掉。 */
  background-position: left center;
  opacity: 0;
  transition: opacity 1.2s ease;
  will-change: opacity;
}

.ws-hero-slide.active {
  opacity: 1;
}

/* banner 图本身已带文案，不叠加任何文字/压暗层，保证图片完整呈现 */
.ws-hero-dots {
  position: absolute;
  z-index: 3;
  left: 50%;
  transform: translateX(-50%);
  bottom: 22px;
  display: flex;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(10, 15, 26, 0.3);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.ws-hero-dot {
  width: 32px;
  height: 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: background 0.3s ease, width 0.3s ease;
}

.ws-hero-dot.active {
  width: 52px;
  background: var(--ws-red);
}

/* ==========================================================================
   2. 产品中心
   ========================================================================== */
.ws-products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.ws-product-card {
  display: block;
  background: #fff;
  border-radius: var(--ws-radius);
  overflow: hidden;
  border: 1px solid var(--ws-line);
  box-shadow: var(--ws-shadow);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.ws-product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--ws-shadow-lg);
}

.ws-product-img {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #eef1f4;
}

.ws-product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.ws-product-card:hover .ws-product-img img {
  transform: scale(1.05);
}

.ws-product-body {
  padding: 30px 32px 34px;
}

.ws-product-body h3 {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--ws-ink);
}

.ws-product-body p {
  margin: 0 0 22px !important;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ws-body);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ws-product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ws-red);
  transition: gap 0.25s ease;
}

.ws-product-card:hover .ws-product-link {
  gap: 12px;
}

/* ==========================================================================
   3. 应用场景 —— 交互式场景切换台（左侧工况切换 + 右侧整幅画面）
   ========================================================================== */
.ws-scenes-shell {
  position: relative;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 26px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--ws-line);
  border-radius: 26px;
  box-shadow: var(--ws-shadow-lg);
}

/* ---- 左：工况切换 ---- */
.ws-scene-tabs {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 8px;
}

.ws-scene-tab {
  position: relative;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 15px 16px 17px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  font: inherit;
  color: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  overflow: hidden;
  -webkit-appearance: none;
  appearance: none;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.ws-scene-tab:hover {
  background: var(--ws-bg-soft);
}

.ws-scene-tab.active {
  background: linear-gradient(120deg, #fff1f1, #fff8f7);
  box-shadow: inset 3px 0 0 var(--ws-red);
}

.ws-scene-tab-idx {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #c7cdd6;
  font-variant-numeric: tabular-nums;
  transition: color 0.3s ease;
}

.ws-scene-tab.active .ws-scene-tab-idx {
  color: var(--ws-red);
}

.ws-scene-tab-txt b {
  display: block;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ws-ink);
  transition: color 0.3s ease;
}

.ws-scene-tab.active .ws-scene-tab-txt b {
  color: var(--ws-red);
}

.ws-scene-tab-txt em {
  display: block;
  margin-top: 3px;
  font-style: normal;
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--ws-muted);
}

.ws-scene-tab-bar {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--ws-red-grad);
}

/* ---- 右：画面舞台 ---- */
.ws-scene-stage {
  position: relative;
  aspect-ratio: 16 / 10;
  min-height: 420px;
  border-radius: 20px;
  overflow: hidden;
  background: #0e1622;
}

.ws-scene-pane {
  position: absolute;
  inset: 0;
  display: block;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.7s ease;
}

.ws-scene-pane.active {
  opacity: 1;
  pointer-events: auto;
}

.ws-scene-pane-media {
  position: absolute;
  inset: -8% 0;
  will-change: transform;
}

.ws-scene-pane-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1);
  transition: transform 7s cubic-bezier(0.2, 0.6, 0.2, 1);
}

.ws-scene-pane.active .ws-scene-pane-media img {
  transform: scale(1.06);
}

.ws-scene-pane-grad {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 12, 20, 0) 34%, rgba(8, 12, 20, 0.62) 100%),
    radial-gradient(115% 105% at 100% 100%, rgba(8, 12, 20, 0.42) 0%, rgba(8, 12, 20, 0) 64%);
}

/* 介绍卡片贴右下角；宽度收窄到极限，避免压住画面主体的关键处 */
.ws-scene-pane-card {
  position: absolute;
  left: auto;
  right: 26px;
  bottom: 26px;
  width: min(392px, 51%);
  padding: 20px 22px 22px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(12, 18, 28, 0.55);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: #fff;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease 0.12s, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.12s;
}

.ws-scene-pane.active .ws-scene-pane-card {
  opacity: 1;
  transform: none;
}

.ws-scene-pane-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(230, 1, 18, 0.92);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.ws-scene-pane-card h3 {
  margin: 12px 0 8px;
  font-size: 21px;
  line-height: 1.35;
  font-weight: 700;
  color: #fff;
}

.ws-scene-pane-card p {
  margin: 0 0 14px !important;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.8);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ws-scene-pane-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  transition: gap 0.25s ease;
}

.ws-scene-pane:hover .ws-scene-pane-link {
  gap: 11px;
}

/* ==========================================================================
   4. 核心优势
   ========================================================================== */
.ws-why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.ws-why-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--ws-line);
  border-radius: var(--ws-radius);
  padding: 34px 28px;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.ws-why-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--ws-shadow-lg);
  border-color: rgba(230, 1, 18, 0.25);
}

.ws-why-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, #fff0f0, #ffe3e3);
  color: var(--ws-red);
  margin-bottom: 22px;
}

.ws-why-icon svg {
  width: 28px;
  height: 28px;
}

.ws-why-card h3 {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--ws-ink);
}

.ws-why-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ws-body);
}

/* 数字信任条 */
.ws-stats {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-radius: var(--ws-radius);
  overflow: hidden;
  /* 与导航「联系我们」按钮 / CTA 同款品牌渐变 */
  background: linear-gradient(100deg, #ff7759 0%, #e60012 100%);
  box-shadow: 0 20px 50px rgba(230, 1, 18, 0.22);
}

.ws-stat {
  position: relative;
  padding: 34px 20px;
  text-align: center;
  color: #fff;
}

.ws-stat + .ws-stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 46px;
  background: rgba(255, 255, 255, 0.22);
}

.ws-stat-num {
  display: block;
  font-size: 44px;
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-shadow: 0 2px 10px rgba(120, 0, 8, 0.18);
}

.ws-stat-num sup {
  font-size: 24px;
  font-weight: 700;
}

.ws-stat-label {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.4;
  letter-spacing: 1px;
  font-weight: 600;
  color: #fff;
  text-shadow: 0 1px 3px rgba(120, 0, 8, 0.28);
}

/* ==========================================================================
   5. 案例精选 —— 沉浸式主案例 + 侧面档案列表
   ========================================================================== */
.ws-cases {
  overflow: hidden;
}

.ws-case-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
  gap: 28px;
}

.ws-case-hero {
  position: relative;
  display: block;
  min-height: 480px;
  border-radius: 24px;
  overflow: hidden;
  background: #0e1622;
  box-shadow: var(--ws-shadow-lg);
}

.ws-case-hero-media {
  position: absolute;
  inset: -8% 0;
  will-change: transform;
}

.ws-case-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s ease;
}

.ws-case-hero:hover .ws-case-hero-media img {
  transform: scale(1.04);
}

.ws-case-hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 10, 18, 0.06) 18%, rgba(6, 10, 18, 0.88) 100%);
}

.ws-case-hero-body {
  position: absolute;
  left: 34px;
  right: 34px;
  bottom: 32px;
  color: #fff;
}

.ws-case-hero-tag {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.6px;
}

.ws-case-hero-body h3 {
  margin: 14px 0 12px;
  font-size: 27px;
  line-height: 1.42;
  font-weight: 700;
  color: #fff;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ws-case-hero-body p {
  margin: 0 0 18px !important;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.76);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ws-case-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14.5px;
  font-weight: 600;
  color: #fff;
  transition: gap 0.25s ease;
}

.ws-case-hero:hover .ws-case-hero-cta {
  gap: 13px;
}

.ws-case-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.ws-case-row {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 34px;
  align-items: center;
  align-content: center;
  gap: 16px;
  flex: 1;
  padding: 22px 20px;
  background: #fff;
  border: 1px solid var(--ws-line);
  border-radius: 18px;
  box-shadow: var(--ws-shadow);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.ws-case-row:hover {
  transform: translateX(4px);
  box-shadow: var(--ws-shadow-lg);
  border-color: rgba(230, 1, 18, 0.28);
}

.ws-case-row-idx {
  font-size: 26px;
  font-weight: 800;
  line-height: 1;
  color: #e6eaf0;
  font-variant-numeric: tabular-nums;
  transition: color 0.3s ease;
}

.ws-case-row:hover .ws-case-row-idx {
  color: rgba(230, 1, 18, 0.35);
}

.ws-case-row-tag {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.6px;
  color: var(--ws-red);
}

.ws-case-row h4 {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--ws-ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ws-case-row-desc {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ws-body);
}

.ws-case-row-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--ws-bg-soft);
  color: var(--ws-muted);
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.ws-case-row:hover .ws-case-row-arrow {
  background: var(--ws-red);
  color: #fff;
  transform: translateX(2px);
}

.ws-case-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 4px 2px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ws-red);
  transition: gap 0.25s ease;
}

.ws-case-all:hover {
  gap: 13px;
}

/* 案例板块的「查看全部案例」（区块右上）和「更多真实工况案例」（列表末尾）指向同一个页面，
   同一屏出现两个入口。这里限定成每个断点只留一个：
   桌面（>768）只留右上按钮，手机（≤768）只留列表末尾那一条。 */
@media (min-width: 769px) {
  .ws-case-all {
    display: none;
  }
}

/* ==========================================================================
   6. 新闻动态 —— 文字优先的编辑部列表（日期导轨 + 标题行）
   ========================================================================== */
.ws-news-desk {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.88fr);
  background: #fff;
  border: 1px solid var(--ws-line);
  border-radius: 24px;
  box-shadow: var(--ws-shadow);
  overflow: hidden;
}

/* 头条 */
.ws-news-lead {
  position: relative;
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  align-content: center;
  gap: 24px;
  padding: 40px 38px;
  transition: background 0.35s ease;
}

.ws-news-lead:hover {
  background: linear-gradient(120deg, #fff5f5, #fff 72%);
}

.ws-news-lead-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 4px;
}

.ws-news-lead-date b {
  font-size: 44px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -1px;
  color: var(--ws-red);
  font-variant-numeric: tabular-nums;
}

.ws-news-lead-date em {
  margin-top: 6px;
  font-style: normal;
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--ws-muted);
}

.ws-news-kicker {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.4px;
  color: var(--ws-red);
}

.ws-news-lead-body h3 {
  margin: 0 0 14px;
  font-size: 25px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--ws-ink);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.25s ease;
}

.ws-news-lead:hover .ws-news-lead-body h3 {
  color: var(--ws-red);
}

.ws-news-lead-desc {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ws-body);
}

.ws-news-lead-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 20px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ws-red);
  transition: gap 0.25s ease;
}

.ws-news-lead:hover .ws-news-lead-cta {
  gap: 12px;
}

/* 右侧标题行 */
.ws-news-rows {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--ws-line);
}

.ws-news-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) 30px;
  grid-template-areas:
    "date cat   arrow"
    "date title arrow";
  align-items: center;
  column-gap: 16px;
  row-gap: 6px;
  flex: 1;
  padding: 22px 28px;
  transition: background 0.3s ease;
}

.ws-news-row + .ws-news-row {
  border-top: 1px solid var(--ws-line);
}

.ws-news-row:hover {
  background: #fff7f7;
}

.ws-news-row-date {
  grid-area: date;
  font-size: 13px;
  font-weight: 600;
  color: var(--ws-muted);
  font-variant-numeric: tabular-nums;
}

.ws-news-row-cat {
  grid-area: cat;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.6px;
  color: var(--ws-red);
}

.ws-news-row h4 {
  grid-area: title;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.55;
  font-weight: 600;
  color: var(--ws-ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.25s ease;
}

.ws-news-row:hover h4 {
  color: var(--ws-red);
}

.ws-news-row-arrow {
  grid-area: arrow;
  color: var(--ws-muted);
  transition: color 0.25s ease, transform 0.25s ease;
}

.ws-news-row:hover .ws-news-row-arrow {
  color: var(--ws-red);
  transform: translateX(3px);
}

/* ==========================================================================
   7. CTA
   ========================================================================== */
.ws-cta {
  position: relative;
  padding: 64px 0;
  /* 去掉大面积红底，改用与其他板块一致的浅灰分区；
     内容放进一张白色卡片，让 CTA 有明确的"分块"边界，不再是一大片空白 */
  background: var(--ws-bg-soft);
  color: var(--ws-ink);
}

.ws-cta-card {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding: 52px 48px 46px;
  background: #fff;
  border: 1px solid var(--ws-line);
  border-radius: 24px;
  box-shadow: 0 24px 60px rgba(18, 28, 46, 0.07);
  text-align: center;
}

.ws-cta .ws-eyebrow {
  margin-bottom: 12px;
}

/* 居中排版：eyebrow 两侧都要短横线 */
.ws-cta .ws-eyebrow::before,
.ws-cta .ws-eyebrow::after {
  content: "";
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--ws-red-grad);
  border-radius: 2px;
}

.ws-cta h2 {
  margin: 0 0 14px;
  font-size: 36px;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--ws-ink);
}

.ws-cta p {
  margin: 0 auto 26px !important;
  max-width: 620px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ws-body);
}

/* 三个标签，把卡片中间那块空白填起来（文案取自站内通用 CTA） */
.ws-cta-points {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}

.ws-cta-points li {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border-radius: 999px;
  background: var(--ws-bg-soft);
  color: var(--ws-body);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1;
}

.ws-cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 主按钮：与导航右上角「联系我们」按钮同款品牌渐变 */
.ws-cta .ws-btn-primary {
  background: linear-gradient(to left, #e60012, #ff7759);
  color: #fff;
  box-shadow: 0 12px 28px rgba(230, 1, 18, 0.26);
}

.ws-cta .ws-btn-primary:hover {
  color: #fff;
  box-shadow: 0 18px 38px rgba(230, 1, 18, 0.34);
}

/* 次按钮：浅底上的描边样式 */
.ws-cta .ws-btn-ghost {
  background: #fff;
  color: var(--ws-ink);
  border: 1px solid rgba(26, 31, 43, 0.14);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.ws-cta .ws-btn-ghost:hover {
  background: #fff;
  color: var(--ws-red);
  border-color: rgba(230, 1, 18, 0.4);
}

@media (max-width: 768px) {
  .ws-cta {
    padding: 34px 0;
  }

  .ws-cta-card {
    margin: 0 6px;
    padding: 30px 20px 26px;
    border-radius: 18px;
  }

  .ws-cta .ws-eyebrow {
    font-size: 12px;
    letter-spacing: 2px;
    margin-bottom: 10px;
  }

  .ws-cta p {
    margin-bottom: 20px !important;
    font-size: 15px;
    line-height: 1.8;
  }

  .ws-cta-points {
    gap: 8px;
    margin-bottom: 22px;
  }

  .ws-cta-points li {
    padding: 6px 12px;
    font-size: 12.5px;
  }

  /* 手机上按钮铺满整宽，点击区更大，也不会显得空 */
  .ws-cta-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .ws-cta-actions .ws-btn {
    width: 100%;
  }
}

/* 主按钮：与导航右上角「联系我们」按钮同款品牌渐变 */
.ws-cta .ws-btn-primary {
  background: linear-gradient(to left, #e60012, #ff7759);
  color: #fff;
  box-shadow: 0 12px 28px rgba(230, 1, 18, 0.26);
}

.ws-cta .ws-btn-primary:hover {
  color: #fff;
  box-shadow: 0 18px 38px rgba(230, 1, 18, 0.34);
}

/* 次按钮：浅底上的描边样式 */
.ws-cta .ws-btn-ghost {
  background: #fff;
  color: var(--ws-ink);
  border: 1px solid rgba(26, 31, 43, 0.14);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.ws-cta .ws-btn-ghost:hover {
  background: #fff;
  color: var(--ws-red);
  border-color: rgba(230, 1, 18, 0.4);
}

/* ==========================================================================
   入场动画（滚动触发，支持方向 / 遮罩揭示 / 子项错峰）
   ========================================================================== */
.ws-reveal {
  opacity: 0;
  transform: translate3d(0, 34px, 0);
  transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
}

.ws-reveal[data-reveal="left"] {
  transform: translate3d(-44px, 0, 0);
}

.ws-reveal[data-reveal="right"] {
  transform: translate3d(44px, 0, 0);
}

.ws-reveal[data-reveal="scale"] {
  transform: scale(0.965) translate3d(0, 26px, 0);
}

/* 遮罩揭示：像镜头拉开一样露出画面。
   注意：clip-path 会同时裁掉 IntersectionObserver 的交叉面积，
   所以初始可见部分必须大于 observer 的 threshold(0.08)，否则永远不触发。 */
.ws-reveal[data-reveal="clip"] {
  opacity: 1;
  transform: none;
  clip-path: inset(0 0 86% 0);
  transition: clip-path 1.05s cubic-bezier(0.22, 1, 0.36, 1);
}

.ws-reveal.in {
  opacity: 1;
  transform: none;
  clip-path: inset(0 0 0 0);
}

/* 子项错峰入场：父级出现后，子项依次上浮。
   用 animation + backwards 填充，动画结束后回到元素自身样式，
   因此不会覆盖卡片 hover 的 transform 过渡。 */
.ws-stagger > * {
  opacity: 0;
}

.ws-stagger.in > * {
  opacity: 1;
  animation: wsRiseUp 0.85s cubic-bezier(0.22, 1, 0.36, 1) backwards;
  animation-delay: calc(var(--i, 0) * 90ms);
}

@keyframes wsRiseUp {
  from {
    opacity: 0;
    transform: translate3d(0, 28px, 0);
  }
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1100px) {
  .ws-scenes-shell {
    grid-template-columns: 270px minmax(0, 1fr);
    gap: 20px;
    padding: 20px;
  }

  .ws-case-feature {
    grid-template-columns: minmax(0, 1fr);
  }

  .ws-case-hero {
    min-height: 400px;
  }

  .ws-news-desk {
    grid-template-columns: minmax(0, 1fr);
  }

  .ws-news-rows {
    border-left: 0;
    border-top: 1px solid var(--ws-line);
  }
}

@media (max-width: 992px) {
  .ws-section {
    padding: 72px 0;
  }
  .ws-sec-head h2,
  .ws-cta h2 {
    font-size: 32px;
  }
  .ws-why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ws-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .ws-stat + .ws-stat::before {
    display: none;
  }
  .ws-stat {
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    border-left: 1px solid rgba(255, 255, 255, 0.18);
  }

  /* 场景切换台：切换器转为横向滑动条 */
  .ws-scenes-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }
  .ws-scene-tabs {
    flex-direction: row;
    justify-content: flex-start;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .ws-scene-tabs::-webkit-scrollbar {
    display: none;
  }
  .ws-scene-tab {
    flex: 0 0 auto;
    min-width: 188px;
  }
  .ws-scene-stage {
    aspect-ratio: 16 / 11;
    min-height: 300px;
  }

  .ws-sec-head.split {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 36px;
  }
}

@media (max-width: 768px) {
  .ws-section {
    padding: 60px 0;
  }
  .ws-container {
    padding: 0 18px;
  }
  .ws-sec-head {
    margin-bottom: 40px;
  }
  .ws-sec-head h2,
  .ws-cta h2 {
    font-size: 27px;
  }
  .ws-sec-head p {
    font-size: 15px;
  }
  .ws-sec-head-aside {
    display: none;
  }
  .ws-hero {
    height: 36vh;
    min-height: 230px;
    max-height: 340px;
  }
  .ws-hero-dots {
    bottom: 12px;
    padding: 6px 12px;
  }
  .ws-btn {
    padding: 13px 24px;
    font-size: 14px;
  }
  .ws-products-grid {
    grid-template-columns: 1fr;
  }
  .ws-why-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .ws-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .ws-stat-num {
    font-size: 34px;
  }
  .ws-product-body {
    padding: 24px 22px 28px;
  }

  /* 场景切换台 */
  .ws-scenes-shell {
    padding: 14px;
    border-radius: 20px;
  }
  /* 小屏上 5 个工况改为两列平铺，全部可见，避免横向滚动藏住选项 */
  .ws-scene-tabs {
    flex-wrap: wrap;
    justify-content: flex-start;
    overflow: visible;
    gap: 8px;
  }
  .ws-scene-tab {
    flex: 1 1 calc(50% - 4px);
    min-width: 0;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 10px;
    padding: 11px 12px 13px;
  }
  .ws-scene-tab-txt b {
    font-size: 15px;
  }
  .ws-scene-tab-txt em {
    display: none;
  }
  .ws-scene-stage {
    aspect-ratio: 4 / 3;
    min-height: 260px;
    border-radius: 16px;
  }
  .ws-scene-pane-card {
    left: auto;
    right: 14px;
    bottom: 14px;
    width: min(320px, 56%);
    padding: 16px 16px 18px;
    border-radius: 14px;
  }
  .ws-scene-pane-card h3 {
    margin: 10px 0 6px;
    font-size: 18px;
  }
  .ws-scene-pane-card p {
    font-size: 13px;
    -webkit-line-clamp: 2;
  }

  /* 案例 */
  .ws-case-hero {
    min-height: 320px;
    border-radius: 20px;
  }
  .ws-case-hero-body {
    left: 20px;
    right: 20px;
    bottom: 22px;
  }
  .ws-case-hero-body h3 {
    font-size: 20px;
    -webkit-line-clamp: 2;
  }
  .ws-case-hero-body p {
    font-size: 13.5px;
    -webkit-line-clamp: 2;
    margin-bottom: 14px !important;
  }
  .ws-case-row {
    grid-template-columns: 34px minmax(0, 1fr) 30px;
    gap: 12px;
    padding: 18px 16px;
  }
  /* 手机上只保留列表末尾这一个「看更多」入口，
     区块右上那个按钮隐藏（两者指向同一页面，见 .ws-case-all 的说明），
     同时把点击高度从 22px 提到 48px */
  .ws-sec-head-btn {
    display: none;
  }
  .ws-case-all {
    display: flex;
    justify-content: center;
    padding: 15px 4px;
    font-size: 15px;
  }
  .ws-case-row-idx {
    font-size: 20px;
  }
  .ws-case-row h4 {
    font-size: 15.5px;
  }

  /* 资讯 */
  .ws-news-lead {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    padding: 26px 22px;
  }
  .ws-news-lead-date {
    flex-direction: row;
    align-items: baseline;
    gap: 10px;
    padding-top: 0;
  }
  .ws-news-lead-date b {
    font-size: 26px;
  }
  .ws-news-lead-date em {
    margin-top: 0;
  }
  .ws-news-lead-body h3 {
    font-size: 19px;
    -webkit-line-clamp: 3;
  }
  .ws-news-rows {
    border-top: 1px solid var(--ws-line);
  }
  .ws-news-row {
    grid-template-columns: minmax(0, 1fr) 24px;
    grid-template-areas:
      "cat   arrow"
      "title arrow";
    padding: 18px 20px;
  }
  .ws-news-row-date {
    display: none;
  }
}

/* 窄屏手机：右下角放不下卡片，改为贴底通栏；
   图片按左侧取景，让主体尽量留在卡片上方可见区域 */
@media (max-width: 640px) {
  .ws-scene-pane-card {
    left: 12px;
    right: 12px;
    bottom: 12px;
    width: auto;
    padding: 14px 16px 16px;
  }
  .ws-scene-pane-card h3 {
    margin: 8px 0 5px;
    font-size: 17px;
  }
  .ws-scene-pane-card p {
    margin-bottom: 10px !important;
    font-size: 12.5px;
    -webkit-line-clamp: 2;
  }
  .ws-scene-pane-media img {
    object-position: 24% center;
  }
}

/* 尊重系统的「减少动态效果」设置 */
@media (prefers-reduced-motion: reduce) {
  .ws-reveal,
  .ws-reveal[data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    clip-path: none !important;
    transition: none !important;
  }
  .ws-hero-slides {
    transform: none !important;
  }
  .ws-scene-pane-media img,
  .ws-scene-pane-card,
  .ws-case-hero-media img {
    transition: none !important;
  }
  .ws-scene-pane-media img {
    transform: none !important;
  }
  .ws-stagger > * {
    opacity: 1 !important;
    animation: none !important;
  }
  .ws-progress {
    display: none;
  }
}