/* ==========================================================================
   TankSolv 官网 — 首页首屏样式（gisco.ae 版式风格 + TankSolv 视觉规范配色/字体）
   配色/字体：PipeSolv_TankSolv_Hero视觉规范.docx（V1.0，TankSolv 部分）
   版式：参考 gisco.ae —— 全幅背景 Hero、大标题、无装饰平卡、数据统计条
   ========================================================================== */

:root {
  /* ---- TankSolv 色板（B1） ---- */
  --ts-teal: #1F3237;        /* Tank Deep Teal · Hero 主背景 */
  --ts-teal-deep: #162429;   /* Deep Teal · 深一档，用于 Challenge 等深色段与 Hero 区分 */
  --ts-steel: #3B4247;       /* Steel Grey · 品牌主色 */
  --ts-yellow: #E8A800;      /* Hazard Yellow · 强调/CTA */
  --ts-yellow-dark: #c08f00; /* Hazard Yellow hover */
  --ts-teal-2: #4E7473;      /* Teal Secondary · 辅助高亮 */
  --ts-mist: #DEE3E1;        /* Steel Mist · 浅色背景 */
  --ts-ink: #20262B;         /* Steel Ink · 深色文字 */

  --ts-white: #ffffff;
  --ts-muted: rgba(222, 227, 225, 0.66);   /* 深底辅助文字 */
  --ts-line: rgba(222, 227, 225, 0.16);    /* 深底细分割线 */
  --ts-line-dark: rgba(32, 38, 43, 0.12);  /* 浅底细分割线 */

  /* ---- 字体家族（C1） ---- */
  --font-head: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", Consolas, "Courier New", monospace;

  --nav-h: 78px;
  --container: 1440px;
  --radius: 0;   /* 全站直角风格 */
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--ts-ink);
  background: var(--ts-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* 锚点跳转时为固定导航预留偏移 */
section[id] { scroll-margin-top: calc(var(--nav-h) + 16px); }

/* 键盘焦点（C2） */
:focus-visible {
  outline: 2px solid var(--ts-yellow);
  outline-offset: 2px;
}

/* ==========================================================================
   按钮（扁平、克制的 4px 圆角，无投影/渐变）
   ========================================================================== */
.ts-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.ts-btn--primary {
  background: var(--ts-yellow);
  color: var(--ts-ink);
}
.ts-btn--primary:hover { background: var(--ts-yellow-dark); }

.ts-btn--ghost {
  background: transparent;
  color: var(--ts-white);
  border-color: rgba(222, 227, 225, 0.5);
}
.ts-btn--ghost:hover {
  border-color: var(--ts-white);
  background: rgba(255, 255, 255, 0.06);
  color: var(--ts-white);
}

/* 深色描边按钮（浅色底场景，替代 ghost —— 白底上白字 ghost 不可见） */
.ts-btn--outline {
  background: transparent;
  color: var(--ts-teal);
  border-color: var(--ts-teal);
}
.ts-btn--outline:hover {
  background: var(--ts-teal);
  color: var(--ts-white);
}

.ts-btn--lg { height: 52px; padding: 0 32px; }

/* 引人注意的主按钮（Hero「Submit Requirements」）：脉冲光环 + hover 箭头位移 */
.ts-btn--attention {
  position: relative;
  z-index: 0;
  overflow: visible;
  animation: ts-pulse-ring 2.6s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
.ts-btn--attention::before {
  content: "";
  position: absolute;
  inset: -4px;
  z-index: -1;
  border-radius: inherit;
  border: 1px solid rgba(232, 168, 0, 0.65);
  animation: ts-pulse-border 2.6s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
.ts-btn__arrow {
  display: inline-block;
  margin-left: 8px;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-btn--attention:hover .ts-btn__arrow,
.ts-btn--attention:focus-visible .ts-btn__arrow { transform: translateX(6px); }

@keyframes ts-pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(232, 168, 0, 0.5); }
  70%  { box-shadow: 0 0 0 16px rgba(232, 168, 0, 0); }
  100% { box-shadow: 0 0 0 0 rgba(232, 168, 0, 0); }
}
@keyframes ts-pulse-border {
  0%   { opacity: 0.9; transform: scale(1); }
  70%  { opacity: 0;   transform: scale(1.12); }
  100% { opacity: 0;   transform: scale(1.12); }
}
@media (prefers-reduced-motion: reduce) {
  .ts-btn--attention,
  .ts-btn--attention::before {
    animation: none;
  }
  .ts-btn--attention { box-shadow: 0 0 0 3px rgba(232, 168, 0, 0.35); }
}

/* ==========================================================================
   顶部导航
   ========================================================================== */
.ts-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.ts-nav.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--ts-line-dark);
}
/* 下滑后：白底 → 黑 LOGO / 深色文字 */
.ts-nav.is-scrolled .ts-nav__logo--white { display: none; }
.ts-nav.is-scrolled .ts-nav__logo--black { display: block; }
.ts-nav.is-scrolled .ts-nav__links a { color: var(--ts-ink); }
.ts-nav.is-scrolled .ts-nav__links a:hover { color: var(--ts-steel); }
.ts-nav.is-scrolled .ts-nav__lang-btn { color: var(--ts-ink); border-color: var(--ts-line-dark); }
.ts-nav.is-scrolled .ts-nav__lang-btn:hover { color: var(--ts-steel); border-color: var(--ts-teal-2); }
.ts-nav.is-scrolled .ts-nav__lang-btn .is-active { color: var(--ts-yellow-dark); }
.ts-nav.is-scrolled .ts-nav__burger span { background: var(--ts-ink); }

.ts-nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 64px;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.ts-nav__logo {
  display: inline-flex;
  align-items: center;
}
.ts-nav__logo-img {
  height: 34px;
  width: auto;
}
.ts-nav__logo--white { display: block; }   /* 顶部（透明/深色）时显示白 LOGO */
.ts-nav__logo--black { display: none; }    /* 下滑白底后切换为黑 LOGO */

.ts-nav__links {
  display: flex;
  align-items: center;
  gap: 34px;
}
.ts-nav__links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--ts-muted);
  transition: color 0.2s ease;
}
.ts-nav__links a:hover { color: var(--ts-white); }
.ts-nav__links a.is-active { color: var(--ts-yellow); }
.ts-nav.is-scrolled .ts-nav__links a.is-active { color: var(--ts-yellow-dark); }

/* ---- 语言切换入口（右上角，占位） ---- */
.ts-nav__lang {
  display: flex;
  align-items: center;
}
/* 菜单内的语言切换仅移动端下拉菜单使用，桌面端隐藏 */
.ts-nav__lang--menu { display: none; }
.ts-nav__lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--ts-muted);
  background: transparent;
  border: 1px solid var(--ts-steel);
  border-radius: var(--radius);
  padding: 7px 12px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.ts-nav__lang-btn:hover { color: var(--ts-white); border-color: var(--ts-teal-2); }
.ts-nav__lang-btn .is-active { color: var(--ts-yellow); font-weight: 600; }
.ts-nav__lang-sep { opacity: 0.5; }

.ts-nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  background: transparent;
  border: 1px solid var(--ts-steel);
  border-radius: var(--radius);
  cursor: pointer;
  padding: 0 10px;
}
.ts-nav__burger span {
  display: block;
  height: 2px;
  background: var(--ts-white);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.ts-nav__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.ts-nav__burger.is-open span:nth-child(2) { opacity: 0; }
.ts-nav__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Kicker（简洁 mono 全大写标签）
   ========================================================================== */
.ts-kicker__text {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ts-yellow);
}

/* ==========================================================================
   Hero 首屏（全幅轮播背景 + 一句话定位 + 双 CTA）
   ========================================================================== */
.ts-hero {
  position: relative;
  background: var(--ts-teal);
  color: var(--ts-white);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* 轮播背景（S6 渲染图，深色底直接使用） */
.ts-hero__slides {
  position: absolute;
  inset: 0;
}
.ts-hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: 70% center;   /* 主体偏右，左侧留深色区承载文字 */
  opacity: 0;
  transition: opacity 0.7s ease;
  animation: tsKenBurns 9s ease-in-out infinite alternate;  /* 缓慢推拉，增加动态质感 */
}
.ts-hero__slide.is-active { opacity: 1; }
.ts-hero__slide--1 { background-image: url("../img/hero-slide-1.png"); }
.ts-hero__slide--2 { background-image: url("../img/hero-slide-2.png"); }

/* 背景浮尘粒子（克制约 0.35 透明度小颗粒，缓慢上浮） */
.ts-hero__particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}
.ts-hero__particles i {
  position: absolute;
  bottom: -12px;
  display: block;
  border-radius: 1px;
  background: var(--ts-mist);
  opacity: 0;
  animation: tsDrift linear infinite;
}

@keyframes tsKenBurns {
  from { transform: scale(1); }
  to   { transform: scale(1.09); }
}

@keyframes tsDrift {
  0%   { transform: translate3d(0, 0, 0); opacity: 0; }
  10%  { opacity: 0.35; }
  85%  { opacity: 0.35; }
  100% { transform: translate3d(30px, -105vh, 0); opacity: 0; }
}

/* 详情页 Hero 柔光晕缓慢漂移 */
@keyframes tsGlowDrift {
  0%   { transform: translate3d(-1.5%, -1%, 0) scale(1); }
  100% { transform: translate3d(1.5%, 2%, 0) scale(1.08); }
}

.ts-hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: calc(var(--nav-h) + 96px) 64px 56px;
  flex: 1;
  display: flex;
  align-items: flex-end;
}

.ts-hero__content {
  max-width: 780px;
}

/* 首屏定位标签 */
.ts-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ts-yellow);
}
.ts-hero__kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--ts-yellow);
}

.ts-hero__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 44px;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--ts-white);
}

/* 首屏副文案 */
.ts-hero__lead {
  margin-top: 20px;
  max-width: 560px;
  font-size: 18px;
  line-height: 1.65;
  color: var(--ts-muted);
}

.ts-hero__actions {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* 首屏指标条（深青底，黄色数字 + mono 标签，横贯全宽）已删除，无元素引用 */

/* 滚动提示（桌面端，底部居中） */
.ts-hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 28px;
  z-index: 3;
  transform: translateX(-50%);
  width: 26px;
  height: 44px;
  border: 1px solid var(--ts-line);
  border-radius: 14px;
}
.ts-hero__scroll span {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 3px;
  height: 9px;
  margin-left: -1.5px;
  border-radius: 2px;
  background: var(--ts-yellow);
  animation: tsScrollHint 1.8s ease-in-out infinite;
}
@keyframes tsScrollHint {
  0%   { transform: translateY(0); opacity: 1; }
  70%  { transform: translateY(16px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ==========================================================================
   第二屏：行业解决方案（gisco 式图片网格，全站直角）
   ========================================================================== */
.ts-solutions {
  background: var(--ts-white);
}
.ts-solutions__head {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 64px 56px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
}
.ts-kicker--light .ts-kicker__text { color: var(--ts-yellow-dark); }
.ts-solutions__title {
  margin-top: 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 48px;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ts-ink);
}
.ts-solutions__lead {
  max-width: 420px;
  padding-bottom: 6px;
  font-size: 16px;
  line-height: 1.65;
  color: rgba(32, 38, 43, 0.72);
}

/* ---- 网格：居中容器、非对称马赛克（每行 3 卡，宽窄镜像） ---- */
.ts-solutions__grid {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 64px 104px;
  display: grid;
  gap: 12px;
}
.ts-solutions__row {
  display: grid;
  gap: 12px;
}
/* 第 1 行：5 · 8 · 3（中卡主导） */
.ts-solutions__row--a { grid-template-columns: 5fr 8fr 3fr; }
/* 第 2 行：3 · 8 · 5（镜像） */
.ts-solutions__row--b { grid-template-columns: 3fr 8fr 5fr; }

.ts-sol {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--ts-teal);
  color: var(--ts-white);
}
/* 主导宽卡（16:10 编辑比例，决定行高；侧卡自动拉伸同行等高） */
.ts-sol--wide { aspect-ratio: 16 / 10; }

/* hover 画面加深叠层：让文字与简介更突出 */
.ts-sol::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to top, rgba(10, 34, 32, 0.62) 0%, rgba(10, 34, 32, 0.26) 55%, rgba(10, 34, 32, 0.06) 100%);
  opacity: 0;
  transition: opacity 0.7s ease;
  pointer-events: none;
}
.ts-sol:hover::before,
.ts-sol:focus-visible::before { opacity: 1; }

/* 底部黄线：hover 时缓慢从左向右生长 */
.ts-sol::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  z-index: 3;
  background: var(--ts-yellow);
  transform: scaleX(0);
  transform-origin: left;
}
.ts-sol:hover::after,
.ts-sol:focus-visible::after {
  transform: scaleX(1);
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.ts-sol__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-sol:hover .ts-sol__img,
.ts-sol:focus-visible .ts-sol__img {
  transform: scale(1.05);
  transition-duration: 1.6s;
  transition-delay: 0.2s; /* hover 后稍作停顿再放大，避免突兀 */
}

/* ---- 序号（左上，mono） ---- */
.ts-sol__idx {
  position: absolute;
  top: 22px;
  left: 24px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: rgba(222, 227, 225, 0.6);
  transition: color 0.25s ease;
}
.ts-sol:hover .ts-sol__idx,
.ts-sol:focus-visible .ts-sol__idx { color: var(--ts-yellow); }

/* ---- 底部标签：渐变暗角 + 大标题，hover 展开描述 ---- */
.ts-sol__label {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 48px 24px 22px;
  background: linear-gradient(to top, rgba(13, 46, 44, 0.92) 0%, rgba(13, 46, 44, 0.55) 45%, rgba(13, 46, 44, 0) 100%);
  display: flex;
  flex-direction: column;
}
.ts-sol__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.25;
  transition: letter-spacing 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-sol:hover .ts-sol__name,
.ts-sol:focus-visible .ts-sol__name { letter-spacing: 0.015em; }
.ts-sol__more {
  max-height: 0;
  opacity: 0;
  transform: translateY(10px);
  overflow: hidden;
  transition: max-height 0.55s cubic-bezier(0.22, 1, 0.36, 1),
              opacity 0.5s ease,
              margin-top 0.55s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-sol__desc {
  font-size: 14px;
  line-height: 1.55;
  color: rgba(222, 227, 225, 0.85);
  transition: color 0.5s ease;
}
.ts-sol:hover .ts-sol__desc,
.ts-sol:focus-visible .ts-sol__desc { color: rgba(255, 255, 255, 0.95); }
.ts-sol__cta {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ts-yellow);
}
.ts-sol__cta span { display: inline-block; transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1); }
.ts-sol:hover .ts-sol__more,
.ts-sol:focus-visible .ts-sol__more {
  max-height: 160px;
  opacity: 1;
  transform: translateY(0);
  margin-top: 12px;
}
.ts-sol:hover .ts-sol__cta span,
.ts-sol:focus-visible .ts-sol__cta span { transform: translateX(8px); }

@media (prefers-reduced-motion: reduce) {
  .ts-sol::before,
  .ts-sol::after,
  .ts-sol__img,
  .ts-sol__idx,
  .ts-sol__name,
  .ts-sol__label,
  .ts-sol__more,
  .ts-sol__desc,
  .ts-sol__cta span { transition: none; }
}

/* 触屏设备无 hover：卡片说明与 CTA 常显，避免信息缺失 */
@media (hover: none) {
  .ts-sol__more {
    max-height: 160px;
    opacity: 1;
    transform: none;
    margin-top: 12px;
  }
}

/* 案例卡：客户 · 地点 以 mono 小字呈现（区别于方案卡的 tagline） */
.ts-sol--case .ts-sol__desc {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ==========================================================================
   第三屏：应用案例（2×2 行业应用图片卡）
   ========================================================================== */
.ts-cases {
  background: var(--ts-mist);
}
.ts-cases__head {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 64px 48px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
}
.ts-cases__title {
  margin-top: 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 48px;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ts-ink);
}
.ts-cases__lead {
  max-width: 420px;
  padding-bottom: 6px;
  font-size: 16px;
  line-height: 1.65;
  color: rgba(32, 38, 43, 0.72);
}

/* ---- 2×2 图片网格 ---- */
.ts-cases__grid {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 64px 104px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.ts-case {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 12 / 5;
  background: var(--ts-teal);
  color: var(--ts-white);
}
/* hover 画面加深叠层：让文字与简介更突出 */
.ts-case::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to top, rgba(10, 34, 32, 0.62) 0%, rgba(10, 34, 32, 0.26) 55%, rgba(10, 34, 32, 0.06) 100%);
  opacity: 0;
  transition: opacity 0.7s ease;
  pointer-events: none;
}
.ts-case:hover::before,
.ts-case:focus-visible::before { opacity: 1; }

/* hover 底部黄线生长 */
.ts-case::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  z-index: 3;
  background: var(--ts-yellow);
  transform: scaleX(0);
  transform-origin: left;
}
.ts-case:hover::after,
.ts-case:focus-visible::after {
  transform: scaleX(1);
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.ts-case__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-case:hover .ts-case__img,
.ts-case:focus-visible .ts-case__img {
  transform: scale(1.05);
  transition-duration: 1.6s;
  transition-delay: 0.2s; /* hover 后稍作停顿再放大，避免突兀 */
}

/* 行业标签（左上） */
.ts-case__tag {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 2;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(13, 46, 44, 0.72);
  border: 1px solid rgba(222, 227, 225, 0.24);
  color: var(--ts-white);
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.ts-case:hover .ts-case__tag,
.ts-case:focus-visible .ts-case__tag {
  background: var(--ts-yellow);
  border-color: var(--ts-yellow);
  color: var(--ts-ink);
}

/* 序号（右上） */
.ts-case__idx {
  position: absolute;
  top: 24px;
  right: 22px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: rgba(222, 227, 225, 0.6);
  transition: color 0.25s ease;
}
.ts-case:hover .ts-case__idx,
.ts-case:focus-visible .ts-case__idx { color: var(--ts-yellow); }

/* 底部信息 */
.ts-case__body {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 36px 24px 18px;
  background: linear-gradient(to top, rgba(13, 46, 44, 0.92) 0%, rgba(13, 46, 44, 0.6) 45%, rgba(13, 46, 44, 0) 100%);
  display: flex;
  flex-direction: column;
}
.ts-case__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.22;
  transition: letter-spacing 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-case:hover .ts-case__name,
.ts-case:focus-visible .ts-case__name { letter-spacing: 0.015em; }
.ts-case__desc {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.55;
  color: rgba(222, 227, 225, 0.85);
  transition: color 0.5s ease;
}
.ts-case:hover .ts-case__desc,
.ts-case:focus-visible .ts-case__desc { color: rgba(255, 255, 255, 0.95); }
.ts-case__cta {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ts-yellow);
}
.ts-case__cta span { display: inline-block; transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1); }
.ts-case:hover .ts-case__cta span,
.ts-case:focus-visible .ts-case__cta span { transform: translateX(8px); }

@media (prefers-reduced-motion: reduce) {
  .ts-case::before,
  .ts-case::after,
  .ts-case__img,
  .ts-case__tag,
  .ts-case__idx,
  .ts-case__name,
  .ts-case__body,
  .ts-case__desc,
  .ts-case__cta span { transition: none; }
}

/* ==========================================================================
   第四屏：产品（S6 产品线 · 全幅图卡，样式/动效对齐解决方案板块）
   ========================================================================== */
.ts-products {
  background: var(--ts-mist);  /* 浅青底，与上一屏白色 solutions 形成色差交替 */
}
.ts-products__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 64px 104px;
}
.ts-products__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
}
.ts-products__title {
  margin-top: 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 48px;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ts-ink);
}
.ts-products__lead {
  max-width: 420px;
  padding-bottom: 6px;
  font-size: 16px;
  line-height: 1.65;
  color: rgba(32, 38, 43, 0.72);
}

/* ---- 产品网格：旗舰 + 配件 全幅图卡 ---- */
.ts-products__grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* 首页产品卡：全幅图片 + 渐变暗角 + 悬停展开（对齐 ts-sol / ts-case 设计语言） */
.ts-prod {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: var(--ts-teal);
  color: var(--ts-white);
}
/* hover 画面加深叠层：让文字与简介更突出 */
.ts-prod::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to top, rgba(10, 34, 32, 0.66) 0%, rgba(10, 34, 32, 0.3) 55%, rgba(10, 34, 32, 0.06) 100%);
  opacity: 0;
  transition: opacity 0.7s ease;
  pointer-events: none;
}
.ts-prod:hover::before,
.ts-prod:focus-visible::before { opacity: 1; }
/* 底部黄线：hover 时缓慢从左向右生长 */
.ts-prod::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  z-index: 3;
  background: var(--ts-yellow);
  transform: scaleX(0);
  transform-origin: left;
}
.ts-prod:hover::after,
.ts-prod:focus-visible::after {
  transform: scaleX(1);
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.ts-prod__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-prod:hover .ts-prod__img,
.ts-prod:focus-visible .ts-prod__img {
  transform: scale(1.05);
  transition-duration: 1.6s;
  transition-delay: 0.2s; /* hover 后稍作停顿再放大，避免突兀 */
}

/* 标签（左上） */
.ts-prod__tag {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 2;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(13, 46, 44, 0.72);
  border: 1px solid rgba(222, 227, 225, 0.24);
  color: var(--ts-white);
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.ts-prod:hover .ts-prod__tag,
.ts-prod:focus-visible .ts-prod__tag {
  background: var(--ts-yellow);
  border-color: var(--ts-yellow);
  color: var(--ts-ink);
}
/* 序号（右上） */
.ts-prod__idx {
  position: absolute;
  top: 24px;
  right: 22px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: rgba(222, 227, 225, 0.6);
  transition: color 0.25s ease;
}
.ts-prod:hover .ts-prod__idx,
.ts-prod:focus-visible .ts-prod__idx { color: var(--ts-yellow); }

/* 底部信息：名称 + mono 规格，hover 展开描述与 CTA */
.ts-prod__body {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 48px 24px 22px;
  background: linear-gradient(to top, rgba(13, 46, 44, 0.92) 0%, rgba(13, 46, 44, 0.55) 45%, rgba(13, 46, 44, 0) 100%);
  display: flex;
  flex-direction: column;
}
.ts-prod__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.2;
  transition: letter-spacing 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-prod:hover .ts-prod__name,
.ts-prod:focus-visible .ts-prod__name { letter-spacing: 0.015em; }
.ts-prod__specs {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ts-yellow);
}
.ts-prod__more {
  max-height: 0;
  opacity: 0;
  transform: translateY(10px);
  overflow: hidden;
  transition: max-height 0.55s cubic-bezier(0.22, 1, 0.36, 1),
              opacity 0.5s ease,
              margin-top 0.55s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-prod__desc {
  font-size: 14px;
  line-height: 1.55;
  color: rgba(222, 227, 225, 0.85);
  transition: color 0.5s ease;
}
.ts-prod:hover .ts-prod__desc,
.ts-prod:focus-visible .ts-prod__desc { color: rgba(255, 255, 255, 0.95); }
.ts-prod__cta {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ts-yellow);
}
.ts-prod__cta span { display: inline-block; transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1); }
.ts-prod:hover .ts-prod__more,
.ts-prod:focus-visible .ts-prod__more {
  max-height: 160px;
  opacity: 1;
  transform: translateY(0);
  margin-top: 12px;
}
.ts-prod:hover .ts-prod__cta span,
.ts-prod:focus-visible .ts-prod__cta span { transform: translateX(8px); }

@media (prefers-reduced-motion: reduce) {
  .ts-prod::before,
  .ts-prod::after,
  .ts-prod__img,
  .ts-prod__tag,
  .ts-prod__idx,
  .ts-prod__name,
  .ts-prod__body,
  .ts-prod__more,
  .ts-prod__desc,
  .ts-prod__cta span { transition: none; }
}

/* ==========================================================================
   产品列表 / 详情页（pagehead + 列表 + 详情主体）
   ========================================================================== */
.ts-pagehead {
  position: relative;
  overflow: hidden;
  background: var(--ts-teal);
  color: var(--ts-white);
}
/* 背景轮播（首页 hero 同款科技效果：交叉淡入；二级页去掉推拉呼吸，保持简洁） */
.ts-pagehead__slides {
  position: absolute;
  inset: 0;
}
.ts-pagehead__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: 78% center;   /* 主体偏右，左侧深色区承载文字 */
  opacity: 0;
  transition: opacity 0.7s ease;
}
.ts-pagehead__slide.is-active { opacity: 1; }
.ts-pagehead__slide--1 { background-image: url("../img/hero-slide-1.png"); }
.ts-pagehead__slide--2 { background-image: url("../img/hero-slide-2.png"); }
/* 左深右浅渐变：保证左侧面包屑/标题的文字对比度 */
.ts-pagehead__slides::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(13, 46, 44, 0.78) 0%, rgba(13, 46, 44, 0.4) 45%, rgba(13, 46, 44, 0.06) 72%);
}
/* 背景浮尘粒子（与 hero 同款，克制约 0.35 透明度小颗粒） */
.ts-pagehead__particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}
.ts-pagehead__particles i {
  position: absolute;
  bottom: -12px;
  display: block;
  border-radius: 1px;
  background: var(--ts-mist);
  opacity: 0;
  animation: tsDrift linear infinite;
}
.ts-pagehead__inner {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  padding: 132px 64px 72px;
}
.ts-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ts-teal-2);
  margin-bottom: 32px;
}
.ts-breadcrumb a { color: var(--ts-muted); transition: color 0.2s ease; }
.ts-breadcrumb a:hover { color: var(--ts-yellow); }
.ts-breadcrumb__sep { opacity: 0.5; }
.ts-pagehead__title {
  margin-top: 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 52px;
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--ts-white);
}
.ts-pagehead__lead {
  margin-top: 20px;
  max-width: 620px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ts-muted);
}
/* 详情页页头（文章/FAQ）：文字与面包屑左对齐，起点与导航 LOGO 对齐线一致 */
.ts-pagehead__inner--narrow { text-align: left; }
.ts-pagehead__meta {
  margin-top: 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ts-muted);
}
.ts-pagehead__meta-sep { opacity: 0.5; }

/* ==========================================================================
   News & Insights 列表页（news.html）
   ========================================================================== */
.ts-nlist { background: var(--ts-white); }
.ts-nlist__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 88px 64px 112px;
}
.ts-nlist__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* 文章卡（列表 / 更多文章通用） */
.ts-ncard {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--ts-white);
  border: 1px solid var(--ts-line-dark);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.ts-ncard::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--ts-yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-ncard:hover,
.ts-ncard:focus-visible {
  border-color: var(--ts-teal);
  box-shadow: 0 18px 40px rgba(13, 46, 44, 0.1);
}
.ts-ncard:hover::after,
.ts-ncard:focus-visible::after { transform: scaleX(1); }
.ts-ncard__media {
  position: relative;
  overflow: hidden;
}
.ts-ncard__img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-ncard:hover .ts-ncard__img,
.ts-ncard:focus-visible .ts-ncard__img { transform: scale(1.06); transition-delay: 0.2s; }
.ts-ncard__cat {
  position: absolute;
  top: 16px; left: 16px;
  padding: 6px 12px;
  background: var(--ts-teal);
  color: var(--ts-yellow);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.ts-ncard__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 28px 28px 30px;
}
.ts-ncard__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(32, 38, 43, 0.55);
}
.ts-ncard__idx { color: var(--ts-yellow); }
.ts-ncard__title {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ts-ink);
  margin-bottom: 12px;
}
.ts-ncard__excerpt {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(32, 38, 43, 0.72);
  margin-bottom: 22px;
}
.ts-ncard__cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ts-teal);
}
.ts-ncard__cta span { transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1); }
.ts-ncard:hover .ts-ncard__cta span,
.ts-ncard:focus-visible .ts-ncard__cta span { transform: translateX(6px); }

/* ==========================================================================
   News & Insights 详情页（news_detail.html）
   ========================================================================== */
/* ---- 正文（左栏内复用） ---- */
.ts-nbody__text { max-width: 700px; }
.ts-nbody__h2 {
  font-family: var(--font-head);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ts-ink);
  margin: 44px 0 16px;
}
.ts-nbody__h2:first-child { margin-top: 0; }
.ts-nbody__p {
  font-size: 17px;
  line-height: 1.85;
  color: rgba(32, 38, 43, 0.85);
  margin-bottom: 18px;
}
/* ---- 富文本正文（wangEditor 输出，未带 .ts-nbody__h2/__p 类的原生标签） ---- */
.ts-nbody__text h2 {
  font-family: var(--font-head);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ts-ink);
  margin: 44px 0 16px;
}
.ts-nbody__text h2:first-child { margin-top: 0; }
.ts-nbody__text h3 {
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 600;
  color: var(--ts-ink);
  margin: 32px 0 14px;
}
.ts-nbody__text p {
  font-size: 17px;
  line-height: 1.85;
  color: rgba(32, 38, 43, 0.85);
  margin-bottom: 18px;
}
.ts-nbody__text img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 24px auto;
}
.ts-nbody__text ul,
.ts-nbody__text ol {
  margin: 0 0 20px;
  padding-left: 24px;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(32, 38, 43, 0.85);
}
.ts-nbody__text li { margin-bottom: 8px; }
.ts-nbody__text li::marker { color: var(--ts-yellow); }
.ts-nbody__text blockquote {
  margin: 0 0 22px;
  padding: 18px 22px;
  border-left: 3px solid var(--ts-yellow);
  background: rgba(232, 168, 0, 0.06);
  color: rgba(32, 38, 43, 0.75);
  font-style: italic;
  font-size: 17px;
  line-height: 1.75;
}
.ts-nbody__text a { color: var(--ts-yellow); text-decoration: underline; }
.ts-nbody__text a:hover { text-decoration: none; }
.ts-nbody__text strong { color: var(--ts-ink); }
.ts-nbody__text code {
  font-family: var(--font-mono);
  font-size: 14px;
  background: #f2f4f5;
  padding: 2px 6px;
  border-radius: 4px;
  color: #c0442c;
}
.ts-nbody__text pre {
  margin: 0 0 20px;
  padding: 18px 20px;
  background: #1f3237;
  border-radius: 8px;
  overflow-x: auto;
}
.ts-nbody__text pre code { background: transparent; color: #e8eef0; padding: 0; }
.ts-nbody__text table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 22px;
  font-size: 15px;
}
.ts-nbody__text th,
.ts-nbody__text td {
  border: 1px solid #e3e7e9;
  padding: 10px 14px;
  text-align: left;
  line-height: 1.6;
  word-break: break-word;
}
.ts-nbody__text th { background: #f4f6f7; color: var(--ts-ink); font-weight: 600; }
.ts-nbody__conclusion {
  margin-top: 56px;
  padding: 32px 36px;
  background: var(--ts-teal);
  border-top: 3px solid var(--ts-yellow);
}
.ts-nbody__conclusion-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ts-yellow);
  margin-bottom: 12px;
}
.ts-nbody__conclusion p {
  font-size: 17px;
  line-height: 1.75;
  color: var(--ts-white);
}
.ts-nbody__back { margin-top: 40px; color: var(--ts-ink); border-color: var(--ts-line-dark); }

/* ---- 左右布局：左文 右荐（文章详情） ---- */
.ts-ndetail { background: var(--ts-white); }
.ts-ndetail__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 72px 64px 96px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 64px;
  align-items: start;
}
.ts-ndetail__main { min-width: 0; }
.ts-ndetail__cover { margin: 0 0 44px; }
.ts-ndetail__cover img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.ts-ndetail__side {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.ts-ndetail__group-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ts-teal-2);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ts-line-dark);
  margin-bottom: 6px;
}
.ts-ndetail__item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--ts-line-dark);
  transition: opacity 0.2s ease;
}
.ts-ndetail__item:last-of-type { border-bottom: 0; }
.ts-ndetail__item:hover { opacity: 0.72; }
.ts-ndetail__item img {
  flex-shrink: 0;
  width: 76px;
  height: 58px;
  object-fit: cover;
}
.ts-ndetail__item-body {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}
.ts-ndetail__item-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ts-teal-2);
}
.ts-ndetail__item-title {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ts-ink);
}
@media (max-width: 1024px) {
  .ts-ndetail__inner {
    grid-template-columns: 1fr;
    padding: 56px 32px 80px;
    gap: 56px;
  }
  .ts-ndetail__side { position: static; }
}
@media (max-width: 640px) {
  .ts-ndetail__inner { padding: 40px 24px 72px; }
  .ts-ndetail__cover img { aspect-ratio: 16 / 10; }
}

/* ==========================================================================
   FQA（faq.html 分类首页 / faq_cat.html 分类页）
   ========================================================================== */
.ts-faq { background: var(--ts-white); }
.ts-faq__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 88px 64px 112px;
}
.ts-faq__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.ts-faqcard {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 36px 36px 34px;
  background: var(--ts-white);
  border: 1px solid var(--ts-line-dark);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.ts-faqcard::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--ts-yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-faqcard:hover,
.ts-faqcard:focus-visible {
  border-color: var(--ts-teal);
  box-shadow: 0 18px 40px rgba(13, 46, 44, 0.1);
}
.ts-faqcard:hover::after,
.ts-faqcard:focus-visible::after { transform: scaleX(1); }
.ts-faqcard__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--ts-yellow);
  margin-bottom: 22px;
}
.ts-faqcard__name {
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ts-ink);
  margin-bottom: 12px;
}
.ts-faqcard__desc {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(32, 38, 43, 0.72);
  margin-bottom: 26px;
}
.ts-faqcard__foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--ts-line-dark);
}
.ts-faqcard__count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(32, 38, 43, 0.55);
}
.ts-faqcard__open {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ts-teal);
}
.ts-faqcard__open span { transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1); }
.ts-faqcard:hover .ts-faqcard__open span,
.ts-faqcard:focus-visible .ts-faqcard__open span { transform: translateX(6px); }

/* 深青实心 CTA 卡（第 6 卡） */
.ts-faqcard--cta {
  background: var(--ts-teal);
  border-color: var(--ts-teal);
}
.ts-faqcard--cta .ts-faqcard__name { color: var(--ts-white); }
.ts-faqcard--cta .ts-faqcard__desc { color: var(--ts-muted); }
.ts-faqcard--cta .ts-faqcard__foot { border-top-color: var(--ts-line); }
.ts-faqcard--cta .ts-faqcard__count { color: var(--ts-muted); }
.ts-faqcard--cta .ts-faqcard__open { color: var(--ts-yellow); }
.ts-faqcard--cta:hover {
  background: var(--ts-teal-deep);
  border-color: var(--ts-teal-deep);
  box-shadow: 0 18px 40px rgba(8, 33, 31, 0.25);
}
.ts-faqcard--cta::after { transform: scaleX(1); }

/* 分类页 Q&A 列表 */
.ts-faqa { background: var(--ts-white); }
.ts-faqa__inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 80px 64px 96px;
}
.ts-faqa__item {
  padding: 36px 8px 36px 0;
  border-bottom: 1px solid var(--ts-line-dark);
}
.ts-faqa__item:first-child { padding-top: 0; }
.ts-faqa__q {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 14px;
}
.ts-faqa__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--ts-yellow);
}
.ts-faqa__question {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ts-ink);
}
.ts-faqa__answer {
  margin-left: 46px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(32, 38, 43, 0.82);
}
.ts-faqa__back { margin-top: 44px; color: var(--ts-ink); border-color: var(--ts-line-dark); }

/* 其他分类（一行切换） */
.ts-faqmore { background: var(--ts-white); border-top: 1px solid var(--ts-line-dark); }
.ts-faqmore__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 64px 112px;
}
.ts-faqmore__grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.ts-faqmore__card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 26px 28px;
  border: 1px solid var(--ts-line-dark);
  transition: border-color 0.3s ease, background 0.3s ease;
}
.ts-faqmore__card:hover,
.ts-faqmore__card:focus-visible {
  border-color: var(--ts-teal);
  background: rgba(13, 46, 44, 0.03);
}
.ts-faqmore__name {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 600;
  color: var(--ts-ink);
}
.ts-faqmore__open {
  font-family: var(--font-mono);
  color: var(--ts-yellow);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-faqmore__card:hover .ts-faqmore__open,
.ts-faqmore__card:focus-visible .ts-faqmore__open { transform: translateX(6px); }

/* 产品详情 Hero（全幅深青，首页 hero 级视觉：左文右图 + 全宽指标条） */
.ts-phero {
  position: relative;
  background: var(--ts-teal);
  color: var(--ts-white);
  overflow: hidden;
}
/* 缓慢漂移的柔光晕，让深青底色不显呆板 */
.ts-phero::before {
  content: "";
  position: absolute;
  inset: -10%;
  z-index: 0;
  background:
    radial-gradient(560px circle at 78% 16%, rgba(232, 168, 0, 0.08), transparent 60%),
    radial-gradient(720px circle at 10% 90%, rgba(112, 175, 165, 0.16), transparent 62%);
  animation: tsGlowDrift 16s ease-in-out infinite alternate;
  pointer-events: none;
}
/* 背景浮尘粒子（与首页 hero / 列表页 pagehead 同款，克制约 0.35 透明度小颗粒） */
.ts-phero__particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}
.ts-phero__particles i {
  position: absolute;
  bottom: -12px;
  display: block;
  border-radius: 1px;
  background: var(--ts-mist);
  opacity: 0;
  animation: tsDrift linear infinite;
}
.ts-phero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  padding: 132px 64px 0;
}
.ts-phero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}
/* 图廊关闭时（后台「产品图廊」板块关闭显示）：Hero 单列排版 */
.ts-phero__grid--no-media {
  grid-template-columns: 1fr;
}
.ts-phero__text { padding: 8px 0 96px; }
.ts-phero__title {
  margin-top: 22px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 64px;
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--ts-white);
}
.ts-phero__tagline {
  margin-top: 24px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.35;
  color: var(--ts-mist);
}
.ts-phero__summary {
  margin-top: 20px;
  max-width: 560px;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--ts-muted);
}
.ts-phero__actions {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.ts-phero__media {
  position: relative;
  align-self: stretch;
  min-height: 460px;
  background: rgba(222, 227, 225, 0.06);
  border-left: 1px solid var(--ts-line);
}
.ts-phero__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: tsKenBurns 18s ease-in-out infinite alternate; /* 缓慢推拉，增加动态质感 */
}
/* 右图底部与指标条衔接处加渐变，融入深青底 */
.ts-phero__media::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 120px;
  background: linear-gradient(to top, var(--ts-teal), transparent);
}

/* ==========================================================================
   产品详情 Hero 图廊（电商式 1:1 轮播：主图 + 箭头 + 计数 + 缩略图）
   ========================================================================== */
.ts-gallery {
  position: relative;
  align-self: center;
  width: 100%;
}
.ts-gallery__main {
  position: relative;
  aspect-ratio: 1 / 1;
  background: rgba(222, 227, 225, 0.08);
  border: 1px solid var(--ts-line);
  overflow: hidden;
}
.ts-gallery__slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.45s ease;
}
.ts-gallery__slide.is-active { opacity: 1; animation: tsKenBurns 18s ease-in-out infinite alternate; }
.ts-gallery__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  font-family: var(--font-head);
  font-size: 26px;
  line-height: 1;
  color: var(--ts-white);
  background: rgba(13, 46, 44, 0.55);
  border: 1px solid var(--ts-line);
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease;
}
.ts-gallery__nav:hover,
.ts-gallery__nav:focus-visible { background: var(--ts-yellow); color: var(--ts-ink); }
.ts-gallery__nav--prev { left: 12px; }
.ts-gallery__nav--next { right: 12px; }
.ts-gallery__count {
  position: absolute;
  z-index: 2;
  right: 12px;
  bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ts-white);
  background: rgba(13, 46, 44, 0.55);
  border: 1px solid var(--ts-line);
  padding: 5px 9px;
}
.ts-gallery__thumbs {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}
.ts-gallery__thumb {
  width: 72px;
  aspect-ratio: 1 / 1;
  padding: 0;
  border: 1px solid var(--ts-line);
  background: rgba(222, 227, 225, 0.06);
  cursor: pointer;
  opacity: 0.55;
  transition: opacity 0.3s ease, border-color 0.3s ease;
}
.ts-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.ts-gallery__thumb:hover,
.ts-gallery__thumb:focus-visible { opacity: 1; }
.ts-gallery__thumb.is-active { opacity: 1; border-color: var(--ts-yellow); }

/* 关键指标条（全宽横贯） */
.ts-phero__stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ts-line);
}
.ts-phero__stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 30px 36px 34px 0;
  margin-right: 36px;
  border-right: 1px solid var(--ts-line);
}
.ts-phero__stat:last-child { margin-right: 0; border-right: none; }
.ts-phero__num {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 36px;
  line-height: 1;
  color: var(--ts-yellow);
}
.ts-phero__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ts-teal-2);
}

/* ---- 产品详情 ---- */
/* 产品详情第二屏媒体（浅灰底：全宽视频 + 可选全宽图片，与第一屏深青区分） */
.ts-pmedia {
  background: #f2f4f5;
}
.ts-pmedia__video-wrap {
  width: 70%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 64px 0 48px;
}
.ts-pmedia__video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 4px;
  box-shadow: 0 24px 48px -24px rgba(16, 36, 42, 0.28);
}
/* 正文板块（富文本）：白底，显示在自定义图片板块上方；复用 .ts-nbody__text 排版，宽度放宽到页面容器 */
.ts-pbody {
  background: #fff;
}
.ts-pbody__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 64px 64px 0;
}
.ts-pbody__inner.ts-nbody__text { max-width: var(--container); }

/* 正文板块与页面详情正文严格对齐：字号/行高/颜色与 .ts-pdetail__text 完全一致，
   覆盖 .ts-nbody__text（文章阅读排版 17px/1.85/0.85）的差异 */
.ts-pbody__inner.ts-nbody__text {
  font-size: 16.5px;
  line-height: 1.75;
  color: rgba(32, 38, 43, 0.72);
}
.ts-pbody__inner.ts-nbody__text p,
.ts-pbody__inner.ts-nbody__text ul,
.ts-pbody__inner.ts-nbody__text ol,
.ts-pbody__inner.ts-nbody__text blockquote,
.ts-pbody__inner.ts-nbody__text li {
  font-size: 16.5px;
  line-height: 1.75;
  color: rgba(32, 38, 43, 0.72);
}

/* 自定义图片板块：背景色对齐浏览器窗口全宽（100%），内部图片对齐页面内容容器居中；
   后台未设背景色时默认白色 */
.ts-pmedia-block {
  background: #fff;
}
.ts-pmedia-block__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 48px 64px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.ts-pmedia-block__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.ts-pdetail { background: var(--ts-white); }
.ts-pdetail__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 64px 120px;
}
.ts-pdetail__title {
  margin-top: 16px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 44px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ts-ink);
}
.ts-pdetail__text {
  margin-top: 20px;
  max-width: 640px;
  font-size: 16.5px;
  line-height: 1.75;
  color: rgba(32, 38, 43, 0.72);
}
.ts-pdetail__text + .ts-btn { margin-top: 28px; }

/* 详情区块（特性 / 参数） */
.ts-pdetail__block {
  margin-top: 96px;
  border-top: 1px solid var(--ts-line-dark);
  padding-top: 64px;
}
/* 第一个区块紧贴容器内边距，避免与 .ts-pdetail__inner 的 padding-top 叠加出大段空白 */
.ts-pdetail__inner > .ts-pdetail__block:first-child { margin-top: 0; }
.ts-pdetail__block-head { max-width: 640px; }
.ts-pdetail__features {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.ts-pdetail__feature {
  background: var(--ts-mist);
  padding: 40px 40px 44px;
  border: 1px solid var(--ts-line-dark);
}
.ts-pdetail__feature-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.25;
  color: var(--ts-teal);
}
.ts-pdetail__feature-desc {
  margin-top: 14px;
  font-size: 15.5px;
  line-height: 1.7;
  color: rgba(32, 38, 43, 0.74);
}

/* 技术参数（tab 切换） */
.ts-pdetail__specs { margin-top: 48px; }
.ts-pdetail__spec-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--ts-line-dark);
}
.ts-pdetail__spec-tab {
  appearance: none;
  border: 1px solid var(--ts-line-dark);
  border-bottom: none;
  background: transparent;
  padding: 13px 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(32, 38, 43, 0.55);
  cursor: pointer;
  transition: color .25s, background-color .25s, border-color .25s;
}
.ts-pdetail__spec-tab:hover { color: var(--ts-ink); }
.ts-pdetail__spec-tab.is-active {
  background: var(--ts-teal);
  border-color: var(--ts-teal);
  color: #fff;
}
.ts-pdetail__spec-panes { margin-top: 36px; }
.ts-pdetail__spec-pane { display: none; }
.ts-pdetail__spec-pane.is-active { display: block; }
.ts-pdetail__spec-table { width: 100%; border-collapse: collapse; }
.ts-pdetail__spec-table tr { border-bottom: 1px solid var(--ts-line-dark); }
.ts-pdetail__spec-table td { padding: 15px 0; vertical-align: top; }
.ts-pdetail__spec-k { width: 42%; font-size: 15px; font-weight: 500; color: rgba(32, 38, 43, 0.62); }
.ts-pdetail__spec-v { font-size: 16px; font-weight: 600; color: var(--ts-ink); }

/* 核心特性：序号图标 */
.ts-pdetail__feature-num {
  display: block;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--ts-yellow-dark);
}

/* ---- 解决方案详情 · Why It Works（独立重构：始终可见，无 reveal 依赖） ---- */
.ts-swhy {
  margin-top: 96px;
  border-top: 1px solid var(--ts-line-dark);
  padding-top: 64px;
}
.ts-swhy__head { max-width: 640px; }
.ts-swhy__features {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.ts-swhy__feature {
  position: relative;
  background: var(--ts-mist);
  padding: 44px 44px 48px;
  border: 1px solid var(--ts-line-dark);
  overflow: hidden;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
/* 顶部黄色强调线：hover 时从左向右生长 */
.ts-swhy__feature::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--ts-yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-swhy__feature:hover::before,
.ts-swhy__feature:focus-within::before { transform: scaleX(1); }
.ts-swhy__feature:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(13, 46, 44, 0.1);
}
.ts-swhy__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--ts-yellow-dark);
}
.ts-swhy__title {
  margin-top: 22px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.3;
  color: var(--ts-teal);
}
.ts-swhy__desc {
  margin-top: 14px;
  font-size: 15.5px;
  line-height: 1.7;
  color: rgba(32, 38, 43, 0.74);
}
@media (max-width: 991px) {
  .ts-swhy { margin-top: 64px; padding-top: 44px; }
  .ts-swhy__features { grid-template-columns: 1fr; gap: 16px; }
  .ts-swhy__feature { padding: 32px 28px 36px; }
}

/* 可搭配件（深青底全宽区块，强化视觉节奏） */
.ts-pacc {
  background: var(--ts-teal);
  color: var(--ts-white);
}
.ts-pacc__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 112px 64px 120px;
}
.ts-pacc__head { max-width: 640px; }
.ts-pacc__title {
  margin-top: 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 44px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ts-white);
}
.ts-pacc__lead {
  margin-top: 20px;
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--ts-muted);
}
.ts-pacc__grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.ts-pacc__card {
  display: flex;
  flex-direction: column;
  background: var(--ts-white);
  padding: 40px 40px 44px;
  border-top: 3px solid var(--ts-yellow);
}
.ts-pacc__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--ts-yellow-dark);
  margin-bottom: 16px;
}
.ts-pacc__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.25;
  color: var(--ts-teal);
}
.ts-pacc__desc {
  margin-top: 12px;
  font-size: 15.5px;
  line-height: 1.7;
  color: rgba(32, 38, 43, 0.74);
}
.ts-pacc__spec {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--ts-line-dark);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ts-ink);
}
.ts-pacc__spec::before { content: 'SPEC / '; color: var(--ts-yellow-dark); }

/* 应用场景大图卡（首页 solutions 风格：整卡图 + 渐变标签 + hover 展开） */
.ts-pdetail__apps {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.ts-pdetail__app {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--ts-teal);
  text-decoration: none;
}
.ts-pdetail__app::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  z-index: 3;
  background: var(--ts-yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-pdetail__app:hover::after { transform: scaleX(1); }
.ts-pdetail__app img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-pdetail__app:hover img { transform: scale(1.06); transition-delay: 0.2s; }
.ts-pdetail__app-idx {
  position: absolute;
  top: 20px;
  left: 24px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(222, 227, 225, 0.7);
  transition: color 0.25s ease;
}
.ts-pdetail__app:hover .ts-pdetail__app-idx { color: var(--ts-yellow); }
.ts-pdetail__app-label {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  padding: 44px 24px 20px;
  background: linear-gradient(to top, rgba(13, 46, 44, 0.92) 0%, rgba(13, 46, 44, 0.5) 45%, rgba(13, 46, 44, 0) 100%);
}
.ts-pdetail__app-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.25;
  color: var(--ts-white);
}
.ts-pdetail__app-cta {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ts-yellow);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-pdetail__app:hover .ts-pdetail__app-cta {
  opacity: 1;
  transform: translateY(0);
}
.ts-pdetail__app-cta span { display: inline-block; transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1); }
.ts-pdetail__app:hover .ts-pdetail__app-cta span { transform: translateX(8px); }

/* ==========================================================================
   解决方案列表页（solutions.html）
   ========================================================================== */
.ts-slist { background: var(--ts-white); }
.ts-slist__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 64px 120px;
}
.ts-slist__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.ts-slist .ts-sol { aspect-ratio: 16 / 10; }

/* ==========================================================================
   解决方案详情页（solution_detail.html）
   ========================================================================== */
/* Challenge 痛点板块（深青底全宽，比 Hero 深一档以区分层次） */
.ts-pchallenge { background: var(--ts-teal-deep); color: var(--ts-white); }
.ts-pchallenge__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 112px 64px 120px;
}
.ts-pchallenge__grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
/* 恰好 4 个痛点时：2×2 两行布局，避免 3+1 失衡 */
.ts-pchallenge__grid--4 { grid-template-columns: repeat(2, 1fr); }
.ts-pchallenge__pain {
  position: relative;
  padding: 36px 36px 42px;
  background: rgba(255, 255, 255, 0.04);
  border-top: 3px solid var(--ts-yellow);
}
.ts-pchallenge__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--ts-yellow);
  margin-bottom: 20px;
}
.ts-pchallenge__name {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 12px;
}
.ts-pchallenge__desc {
  color: var(--ts-muted);
  font-size: 15px;
  line-height: 1.65;
}

/* 我们的方案：大图 + 文字描述（image 字段未来由后台上传） */
.ts-sdetail__solution {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ts-line-dark);
}
.ts-sdetail__solution-media { overflow: hidden; }
.ts-sdetail__solution-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.ts-sdetail__solution-media video {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  display: block;
  background: var(--ts-teal);
}
/* 图文板块视频：封面 + 播放按钮（点击后切换为视频播放） */
.ts-sdetail__solution-vbox {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  cursor: pointer;
  background: var(--ts-teal);
}
.ts-sdetail__solution-vbox:focus-visible { outline: 2px solid var(--ts-yellow); outline-offset: 2px; }
.ts-sdetail__solution-vposter {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ts-sdetail__solution-vplay {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 68px;
  height: 68px;
  margin: -34px 0 0 -34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13, 46, 44, 0.78);
  color: #fff;
  box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.16);
  transition: transform 0.25s ease, background 0.25s ease;
}
.ts-sdetail__solution-vbox:hover .ts-sdetail__solution-vplay,
.ts-sdetail__solution-vbox:focus-visible .ts-sdetail__solution-vplay {
  transform: scale(1.08);
  background: var(--ts-yellow);
  color: var(--ts-teal);
}
.ts-sdetail__solution-body .ts-pdetail__title { font-size: 30px; margin-bottom: 16px; }
.ts-sdetail__solution-body .ts-pdetail__text { max-width: 520px; }

/* 挑战 vs 方案（两栏文字，方案详情 / 案例详情共用） */
.ts-sdetail__approach {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  padding-bottom: 88px;
  border-bottom: 1px solid var(--ts-line-dark);
}
.ts-sdetail__approach .ts-pdetail__title { font-size: 30px; margin-bottom: 16px; }
.ts-sdetail__approach .ts-pdetail__text { max-width: 520px; }

/* 工作流程（深青底全宽区块，复用 ts-pacc 头部类） */
.ts-pflow { background: var(--ts-teal); color: var(--ts-white); }
.ts-pflow__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 112px 64px 120px;
}
.ts-pflow__grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.ts-pflow__step {
  padding: 36px 32px 40px;
  border-top: 3px solid var(--ts-yellow);
  background: rgba(222, 227, 225, 0.06);
}
.ts-pflow__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--ts-yellow);
}
.ts-pflow__name {
  margin-top: 16px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.25;
  color: var(--ts-white);
}
.ts-pflow__desc {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ts-muted);
}

/* 推荐产品卡（白底两栏） */
.ts-sprod {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.ts-sprod__media { background: var(--ts-teal); }
.ts-sprod__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.ts-sprod__actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 16px; }

/* 更多解决方案（仅 3 个，一行排列） */
.ts-smore__grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.ts-smore__grid .ts-sol { aspect-ratio: 16 / 10; }

/* ---- 案例详情：项目概览信息卡 ---- */
.ts-case-overview {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ts-line-dark);
  border-left: 1px solid var(--ts-line-dark);
}
.ts-case-overview__item {
  padding: 22px 24px;
  border-right: 1px solid var(--ts-line-dark);
  border-bottom: 1px solid var(--ts-line-dark);
}
.ts-case-overview__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(32, 38, 43, 0.55);
}
.ts-case-overview__v {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ts-ink);
}

/* ---- 案例详情：客户评价 ---- */
.ts-case-quote {
  position: relative;
  margin-top: 48px;
  padding: 34px 40px 34px 96px;
  border: 1px solid var(--ts-line-dark);
  border-left: 4px solid var(--ts-teal);
  background: var(--ts-white);
}
.ts-case-quote__mark {
  position: absolute;
  top: 30px;
  left: 36px;
  width: 32px;
  height: 32px;
  color: var(--ts-yellow);
}
.ts-case-quote__text {
  margin: 0;
  font-family: var(--font-head);
  font-size: 20px;
  line-height: 1.5;
  color: var(--ts-ink);
}
.ts-case-quote__author {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(32, 38, 43, 0.55);
}

/* 更多产品网格 */
.ts-pmore__grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.ts-pmore__grid .ts-prod { opacity: 1; transform: none; }
.ts-pmore__grid .ts-prod .ts-prod__img { transform: none; }
.ts-pmore__grid .ts-prod__body { transform: none; }

/* 详情页数据块：始终可见（原"默认隐藏 + 滚动 reveal"在部分线上环境不触发会导致整块消失，已移除） */

/* ==========================================================================
   第五屏：关于我们（深青底 + 总部/工厂/展厅三图画廊 + 品牌背书）
   ========================================================================== */
.ts-about {
  background: var(--ts-teal);
  color: var(--ts-white);
}
.ts-about__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 112px 64px 104px;
}
.ts-about__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
}
.ts-about__title {
  margin-top: 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 48px;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ts-white);
}
.ts-about__lead {
  max-width: 460px;
  padding-bottom: 6px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ts-muted);
}

/* ---- 总部 / 工厂 / 展厅 三图画廊 ---- */
.ts-about__gallery {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.ts-about__shot {
  position: relative;
  overflow: hidden;
  margin: 0;
  aspect-ratio: 4 / 3;
  background: var(--ts-teal);
}
.ts-about__shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-about__shot:hover img,
.ts-about__shot:focus-visible img { transform: scale(1.05); transition-delay: 0.2s; }
/* 底部渐变暗角：保证文字可读 */
.ts-about__shot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 34, 32, 0.88) 0%, rgba(10, 34, 32, 0.25) 55%, rgba(10, 34, 32, 0) 100%);
  pointer-events: none;
}
.ts-about__shot figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 44px 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.ts-about__shot-name {
  position: relative;
  align-self: flex-start;
  padding-bottom: 5px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.2;
  color: var(--ts-white);
}
/* 名称下黄线：hover 缓慢生长 */
.ts-about__shot-name::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--ts-yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-about__shot:hover .ts-about__shot-name::after,
.ts-about__shot:focus-visible .ts-about__shot-name::after { transform: scaleX(1); }
.ts-about__shot-desc {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(222, 227, 225, 0.8);
}

/* ---- 底部品牌 + CTA ---- */
.ts-about__foot {
  margin-top: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.ts-about__brand {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ts-muted);
}

/* ==========================================================================
   合作客户（logo 墙：6 格，暂以品牌 LOGO 占位）
   ========================================================================== */
.ts-clients { background: var(--ts-mist); }
.ts-clients__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 64px 112px;
}
.ts-clients__head {
  max-width: 620px;
  margin-bottom: 48px;
}
.ts-clients__title {
  font-family: var(--font-head);
  font-size: 44px;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ts-ink);
  margin-top: 16px;
}
.ts-clients__lead {
  margin-top: 16px;
  font-size: 17px;
  line-height: 1.7;
  color: rgba(32, 38, 43, 0.72);
}
.ts-clients__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.ts-clients__cell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 140px;
  padding: 32px;
  border: 1px solid var(--ts-line-dark);
  background: var(--ts-white);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.ts-clients__cell:hover { border-color: var(--ts-yellow); }
.ts-clients__logo {
  width: 100%;
  max-width: 170px;
  height: auto;
  opacity: 0.72;
  filter: grayscale(1);
  transition: opacity 0.2s ease;
}
.ts-clients__cell:hover .ts-clients__logo { opacity: 1; filter: grayscale(0); }

/* ==========================================================================
   第六屏：新闻资讯（编辑式新闻列表）
   ========================================================================== */
.ts-news {
  background: var(--ts-white);
}
.ts-news__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 64px 104px;
}
.ts-news__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
}
.ts-news__title {
  margin-top: 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 48px;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ts-ink);
}
.ts-news__head-side {
  max-width: 420px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 20px;
  padding-bottom: 6px;
}
.ts-news__lead {
  font-size: 16px;
  line-height: 1.65;
  color: rgba(32, 38, 43, 0.72);
}
.ts-news__all {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ts-yellow-dark);
}
.ts-news__all span { display: inline-block; transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1); }
.ts-news__all:hover span { transform: translateX(8px); }

/* ---- 三列新闻卡 ---- */
.ts-news__grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ts-line-dark);
}
.ts-news__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 32px 32px 36px;
  border-left: 1px solid var(--ts-line-dark);
  transition: background 0.3s ease;
}
.ts-news__item:first-child { border-left: none; }
.ts-news__item:hover,
.ts-news__item:focus-visible { background: var(--ts-mist); }
/* 卡片顶部通栏配图（负边距抵消卡片内边距，出血到卡片边缘） */
.ts-news__thumb {
  display: block;
  width: calc(100% + 64px);
  max-width: none;          /* 覆盖全局 img 的 max-width:100%，允许出血 */
  aspect-ratio: 16 / 9;
  object-fit: cover;
  margin: -32px -32px 20px;
}
/* 顶部黄线：hover 缓慢生长 */
.ts-news__item::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--ts-yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-news__item:hover::after,
.ts-news__item:focus-visible::after { transform: scaleX(1); }

.ts-news__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.ts-news__idx { color: var(--ts-steel); }
.ts-news__cat { color: var(--ts-yellow-dark); }
.ts-news__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.25;
  color: var(--ts-ink);
  transition: color 0.3s ease;
}
.ts-news__item:hover .ts-news__title,
.ts-news__item:focus-visible .ts-news__title { color: var(--ts-teal-2); }
.ts-news__excerpt {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(32, 38, 43, 0.72);
}
.ts-news__cta {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ts-yellow-dark);
}
.ts-news__cta span { display: inline-block; transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1); }
.ts-news__item:hover .ts-news__cta span,
.ts-news__item:focus-visible .ts-news__cta span { transform: translateX(8px); }

/* ==========================================================================
   第七屏：CTA 询盘（teal-2 浅青底，与页脚深青区分；左右布局）
   ========================================================================== */
.ts-cta {
  position: relative;
  overflow: hidden;
  background: var(--ts-teal-2);
  color: var(--ts-white);
}
/* 科技网格底纹（细线、低透明度） */
.ts-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(222, 227, 225, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(222, 227, 225, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
/* 扫描线：周期性自上而下掠过（科技监测感） */
.ts-cta::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: var(--ts-yellow);
  top: -12%;
  animation: tsScan 6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes tsScan {
  0%   { top: -12%; opacity: 0; }
  10%  { opacity: 0.45; }
  90%  { opacity: 0.45; }
  100% { top: 112%; opacity: 0; }
}
.ts-cta__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 88px 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 56px;
}
.ts-cta__text {
  max-width: 640px;
}
.ts-cta__title {
  margin-top: 20px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 42px;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ts-white);
}
.ts-cta__sub {
  max-width: 520px;
  margin-top: 18px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ts-muted);
}
.ts-cta__side {
  flex-shrink: 0;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}
.ts-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.ts-cta__note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: rgba(222, 227, 225, 0.85);
}

/* ==========================================================================
   需求提交弹窗（三步流程：选类型 → 场景说明 → 联系方式）
   ========================================================================== */
.ts-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.ts-modal.is-open { display: flex; }
.ts-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(13, 46, 44, 0.72);
}
.ts-modal__panel {
  position: relative;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--ts-white);
  padding: 40px 40px 36px;
}
.ts-modal__close {
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 26px;
  line-height: 1;
  color: var(--ts-steel);
  background: none;
  border: none;
  cursor: pointer;
}
.ts-modal__close:hover { color: var(--ts-yellow-dark); }

.ts-modal__step { display: none; }
.ts-modal__step.is-active { display: block; }
.ts-modal__head { margin-bottom: 24px; }
.ts-modal__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.3;
  color: var(--ts-ink);
}
.ts-modal__sub {
  margin-top: 8px;
  font-size: 14px;
  color: rgba(32, 38, 43, 0.62);
}

/* 类型选择 */
.ts-modal__types {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.ts-modal__type {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  font-size: 15px;
  text-align: left;
  color: var(--ts-ink);
  background: var(--ts-mist);
  border: 1px solid var(--ts-line-dark);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.ts-modal__type:hover { border-color: var(--ts-teal-2); }
.ts-modal__type.is-selected {
  background: var(--ts-teal);
  color: var(--ts-white);
  border-color: var(--ts-teal);
}
/* 选项小图标：随悬停/选中变色 */
.ts-modal__icon {
  flex: none;
  width: 24px;
  height: 24px;
  color: var(--ts-teal-2);
  transition: color 0.2s ease, transform 0.2s ease;
}
.ts-modal__type:hover .ts-modal__icon { color: var(--ts-teal); transform: scale(1.06); }
.ts-modal__type.is-selected .ts-modal__icon { color: var(--ts-yellow); transform: scale(1); }

/* 快速选项 chips */
.ts-modal__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}
.ts-modal__chip {
  padding: 10px 16px;
  font-size: 14px;
  color: var(--ts-ink);
  background: var(--ts-white);
  border: 1px solid var(--ts-line-dark);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.ts-modal__chip:hover { border-color: var(--ts-teal-2); }
.ts-modal__chip.is-selected {
  background: var(--ts-yellow);
  border-color: var(--ts-yellow);
  color: var(--ts-ink);
}
.ts-modal__textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ts-ink);
  background: var(--ts-white);
  border: 1px solid var(--ts-line-dark);
  border-radius: var(--radius);
  resize: vertical;
}

/* 联系方式 */
.ts-modal__tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.ts-modal__tabs button {
  padding: 8px 18px;
  font-size: 14px;
  color: var(--ts-steel);
  background: var(--ts-white);
  border: 1px solid var(--ts-line-dark);
  border-radius: var(--radius);
  cursor: pointer;
}
.ts-modal__tabs button.is-active {
  background: var(--ts-teal);
  border-color: var(--ts-teal);
  color: var(--ts-white);
}
.ts-modal__pane { display: none; gap: 12px; }
.ts-modal__pane.is-active { display: flex; }
.ts-modal__code {
  flex-shrink: 0;
  width: 132px;
  padding: 12px 10px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ts-ink);
  background: var(--ts-white);
  border: 1px solid var(--ts-line-dark);
  border-radius: var(--radius);
}
.ts-modal__input {
  flex: 1;
  min-width: 0;
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ts-ink);
  background: var(--ts-white);
  border: 1px solid var(--ts-line-dark);
  border-radius: var(--radius);
}

/* 按钮导航 */
.ts-modal__nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 28px;
}
/* 弹窗内为浅色底：ghost 按钮改用深色文字/描边，避免白字不可见 */
.ts-modal__nav .ts-btn--ghost {
  color: var(--ts-steel);
  border-color: var(--ts-line-dark);
}
.ts-modal__nav .ts-btn--ghost:hover {
  color: var(--ts-ink);
  border-color: var(--ts-steel);
  background: var(--ts-mist);
}

/* 提交成功 */
.ts-modal__done { text-align: center; padding: 24px 0 8px; }
.ts-modal__done-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 26px;
  color: var(--ts-teal);
}
.ts-modal__done-text {
  margin-top: 10px;
  font-size: 15px;
  color: rgba(32, 38, 43, 0.72);
}

/* ---- 微信二维码弹窗 ---- */
.ts-wxmodal { text-align: center; padding: 8px 0 4px; }
.ts-wxmodal__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.25;
  color: var(--ts-ink);
}
.ts-wxmodal__sub {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.55;
  color: rgba(32, 38, 43, 0.72);
}
.ts-wxmodal__qrcode {
  display: block;
  width: 220px;
  height: 220px;
  margin: 24px auto 0;
  object-fit: contain;
  border: 1px solid var(--ts-line-dark);
}
.ts-wxmodal__hint {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ts-yellow-dark);
}

/* ==========================================================================
   页脚（TankSolv 深青底 + mono 标签 + Powered by RJ-BOT 背书）
   ========================================================================== */
.ts-footer {
  background: var(--ts-teal);
  color: var(--ts-mist);
  border-top: 1px solid var(--ts-line);
}

/* 主网格：品牌 + 三列链接 */
.ts-footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 72px 64px 56px;
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr 1fr;
  gap: 48px;
}
.ts-footer__logo { height: 34px; width: auto; }
.ts-footer__tagline {
  margin-top: 18px;
  max-width: 320px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ts-muted);
}
.ts-footer__powered {
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ts-teal-2);
}
.ts-footer__title {
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ts-white);
}
.ts-footer__col a {
  display: block;
  padding: 6px 0;
  font-size: 15px;
  color: var(--ts-muted);
  transition: color 0.2s ease;
}
.ts-footer__col a:hover { color: var(--ts-yellow); }
.ts-footer__link-btn {
  display: block;
  width: 100%;
  padding: 6px 0;
  font: inherit;
  font-size: 15px;
  color: var(--ts-muted);
  text-align: left;
  background: none;
  border: 0;
  cursor: pointer;
  transition: color 0.2s ease;
}
.ts-footer__link-btn:hover { color: var(--ts-yellow); }

/* 底部条 */
.ts-footer__bottom { border-top: 1px solid var(--ts-line); }
.ts-footer__bottom-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 22px 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.ts-footer__copy {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ts-teal-2);
}
.ts-footer__legal { display: flex; gap: 24px; }
.ts-footer__legal a {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ts-teal-2);
  transition: color 0.2s ease;
}
.ts-footer__legal a:hover { color: var(--ts-white); }

/* ==========================================================================
   响应式
   ========================================================================== */

/* 平板 768–1199px */
@media (max-width: 1199px) {
  .ts-nav__inner { padding: 0 32px; }
  .ts-hero__inner { padding-left: 32px; padding-right: 32px; }
  .ts-hero__title { font-size: 40px; }
  .ts-solutions__head { padding: 72px 32px 44px; }
  .ts-solutions__grid { padding: 0 32px 88px; }
  .ts-solutions__title { font-size: 40px; }
  .ts-cases__head { padding: 72px 32px 40px; }
  .ts-cases__grid { padding: 0 32px 88px; }
  .ts-cases__title { font-size: 40px; }
  .ts-products__inner { padding: 72px 32px 88px; }
  .ts-products__title { font-size: 40px; }
  .ts-products__grid { gap: 16px; }
  .ts-pagehead__inner { padding: 120px 32px 56px; }
  .ts-pagehead__title { font-size: 44px; }
  .ts-phero__inner { padding: 120px 32px 0; }
  .ts-phero__grid { gap: 40px; }
  .ts-phero__title { font-size: 52px; }
  .ts-phero__media { min-height: 380px; }
  .ts-pdetail__inner { padding: 80px 32px 96px; }
  .ts-pacc__inner { padding: 88px 32px 96px; }
  .ts-slist__inner { padding: 80px 32px 96px; }
  .ts-pflow__inner { padding: 88px 32px 96px; }
  .ts-pflow__grid { grid-template-columns: repeat(2, 1fr); }
  .ts-about__inner { padding: 88px 32px 88px; }
  .ts-about__title { font-size: 40px; }
  .ts-news__inner { padding: 72px 32px 88px; }
  .ts-news__title { font-size: 40px; }
  .ts-cta__inner { padding: 72px 32px; gap: 40px; }
  .ts-cta__title { font-size: 36px; }
  .ts-footer__inner { padding: 64px 32px 48px; gap: 32px; }
  .ts-footer__bottom-inner { padding-left: 32px; padding-right: 32px; }
}

@media (max-width: 1023px) {
  .ts-solutions__head { flex-direction: column; align-items: flex-start; gap: 24px; }
  .ts-solutions__lead { max-width: 560px; }
  .ts-cases__head { flex-direction: column; align-items: flex-start; gap: 24px; }
  .ts-cases__lead { max-width: 560px; }
  .ts-products__head { flex-direction: column; align-items: flex-start; gap: 24px; }
  .ts-products__lead { max-width: 560px; }
  .ts-about__head { flex-direction: column; align-items: flex-start; gap: 24px; }
  .ts-about__lead { max-width: 560px; }
  .ts-news__head { flex-direction: column; align-items: flex-start; gap: 24px; }
  .ts-news__head-side { align-items: flex-start; max-width: 560px; }
}

/* 移动端 <768px */
@media (max-width: 767px) {
  /* 产品详情第二屏媒体：移动端视频满宽、留边距 */
  .ts-pmedia__video-wrap { width: 100%; padding: 40px 24px 36px; }
  .ts-pmedia-block__inner { padding: 40px 24px; gap: 24px; }
  /* 正文板块移动端留边距 */
  .ts-pbody__inner { padding: 48px 24px 0; }
  /* 移动端：联系条改为底部浮动 4 按钮横条（不再右侧竖排）
     用 body 前缀提高特异性，避免被文件后段的基础规则覆盖 */
  body .ts-contactbar {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    transform: none;
    width: 100%;
    flex-direction: row;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--ts-teal);
    border-top: 1px solid var(--ts-line);
  }
  /* 留言按钮：移动端底部同样显示（底部 4 项：WhatsApp / WeChat / Email / Message） */
  body .ts-contactbar__item {
    width: auto;
    height: auto;
    flex-direction: column;
    gap: 3px;
    padding: 8px 0 10px;
    border-bottom: none;
    border-right: 1px solid var(--ts-line);
  }
  body .ts-contactbar__item:last-child { border-right: none; }
  body .ts-contactbar__item:hover,
  body .ts-contactbar__item:focus-visible {
    background: var(--ts-teal-2);
    color: var(--ts-white);
  }
  body .ts-contactbar__label {
    position: static;
    height: auto;
    padding: 0;
    background: transparent;
    color: var(--ts-mist);
    font-size: 11px;
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
  body .ts-contactbar__item:hover .ts-contactbar__label,
  body .ts-contactbar__item:focus-visible .ts-contactbar__label { color: var(--ts-yellow); }
  body .ts-contactbar__icon { width: 22px; height: 22px; }
  /* 给固定底部条让位，避免遮挡页脚内容（含 iPhone 底部安全区） */
  body { padding-bottom: 64px; }
  body { padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
  body .ts-contactbar { padding-bottom: env(safe-area-inset-bottom); }

  .ts-nav__inner { padding: 0 24px; }
  .ts-nav__links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 16px 24px 24px;
    background: var(--ts-teal);
    border-bottom: 1px solid var(--ts-line);
  }
  .ts-nav__links.is-open { display: flex; }
  .ts-nav__links a {
    display: block;
    width: 100%;
    padding: 12px 0;
    font-size: 16px;
    border-bottom: 1px solid var(--ts-line);
  }
  .ts-nav__links a:last-child { border-bottom: none; }
  /* 移动端下拉菜单为深底，下滑白底时链接仍保持浅色，避免看不清 */
  .ts-nav.is-scrolled .ts-nav__links a { color: var(--ts-muted); }
  .ts-nav.is-scrolled .ts-nav__links a:hover { color: var(--ts-white); }
  /* 移动端：语言切换移入下拉菜单，顶部栏不再单独显示 */
  .ts-nav__lang { display: none; }
  .ts-nav__lang--menu {
    display: flex;
    width: 100%;
    padding-top: 16px;
  }
  .ts-nav__lang--menu .ts-nav__lang-btn {
    width: 100%;
    justify-content: center;
    color: var(--ts-muted);
    border-color: var(--ts-steel);
  }
  .ts-nav__lang--menu .ts-nav__lang-btn:hover { color: var(--ts-white); border-color: var(--ts-teal-2); }
  .ts-nav__lang--menu .ts-nav__lang-btn .is-active { color: var(--ts-yellow); }
  /* 菜单始终为深底，下滑白底时不套用顶栏的深色文字样式 */
  .ts-nav.is-scrolled .ts-nav__lang--menu .ts-nav__lang-btn { color: var(--ts-muted); border-color: var(--ts-steel); }
  .ts-nav.is-scrolled .ts-nav__lang--menu .ts-nav__lang-btn:hover { color: var(--ts-white); border-color: var(--ts-teal-2); }
  .ts-nav.is-scrolled .ts-nav__lang--menu .ts-nav__lang-btn .is-active { color: var(--ts-yellow); }
  .ts-nav__burger { display: flex; }

  /* 移动端首屏：拉满整屏，视觉中心化，指标条 2×2 贴底 */
  .ts-hero {
    min-height: calc(100svh - 64px); /* 底部联系条让位 */
    min-height: calc(100vh - 64px);
  }
  .ts-hero__inner {
    padding: calc(var(--nav-h) + 24px) 24px 56px;
    align-items: flex-end; /* 文字下沉贴底，顶部留白更高级 */
  }
  .ts-hero__content { width: 100%; }
  .ts-hero__kicker { margin-bottom: 16px; font-size: 11px; }
  .ts-hero__title { font-size: 36px; line-height: 1.15; }
  .ts-hero__lead { margin-top: 16px; font-size: 15px; line-height: 1.6; }
  .ts-hero__actions { margin-top: 28px; flex-direction: column; align-items: stretch; }
  .ts-hero__actions .ts-btn { width: 100%; }
  .ts-hero__scroll { display: none; }
  /* 竖屏下机器人图居中偏下更完整，并叠加深青渐变保证文字对比 */
  .ts-hero__slide { background-position: center 80%; }
  .ts-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg, rgba(13, 46, 44, 0.78) 0%, rgba(13, 46, 44, 0.22) 46%, rgba(13, 46, 44, 0.66) 100%);
    pointer-events: none;
  }

  .ts-solutions__head { padding: 64px 24px 40px; }
  .ts-solutions__title { font-size: 34px; }
  .ts-solutions__grid { grid-template-columns: 1fr; padding: 0 24px 72px; }
  .ts-solutions__row { grid-template-columns: 1fr; }
  /* 移动端：卡片高度自适应内容，标题/简介/CTA 完整显示不被裁剪 */
  /* 特异性需与 .ts-smore__grid .ts-sol 等规则一致，否则 16/10 会残留导致超宽 */
  .ts-solutions__grid .ts-sol,
  .ts-smore__grid .ts-sol { aspect-ratio: auto; min-height: 280px; }
  .ts-sol__label { max-width: 100%; padding: 72px 20px 20px; }
  .ts-cases__head { padding: 64px 24px 32px; }
  .ts-cases__title { font-size: 34px; }
  .ts-cases__grid { grid-template-columns: 1fr; padding: 0 24px 72px; }
  .ts-products__inner { padding: 64px 24px 72px; }
  .ts-products__title { font-size: 34px; }
  .ts-products__grid { grid-template-columns: 1fr; margin-top: 40px; gap: 16px; }
  .ts-pagehead__inner { padding: 104px 24px 48px; }
  .ts-pagehead__title { font-size: 36px; }
  .ts-pagehead__lead { font-size: 15px; }
  .ts-phero__inner { padding: 104px 24px 0; }
  .ts-phero__grid { grid-template-columns: 1fr; gap: 40px; }
  /* 移动端：产品/方案头图置前，标题/介绍随后 */
  .ts-phero__grid .ts-gallery,
  .ts-phero__grid .ts-phero__media { order: -1; }
  /* 移动端：方案 hero 无指标条，底部需留白（避免 CTA 按钮贴边） */
  .ts-phero__grid--sol { padding-bottom: 56px; }
  /* 移动端：隐藏面包屑 */
  .ts-breadcrumb { display: none; }
  .ts-phero__text { padding: 8px 0 0; }
  .ts-phero__title { font-size: 40px; }
  .ts-phero__tagline { font-size: 19px; }
  .ts-phero__media { min-height: 300px; border-left: none; }
  .ts-gallery__thumbs { flex-wrap: wrap; gap: 8px; }
  .ts-gallery__thumb { width: 60px; }
  .ts-phero__stats { grid-template-columns: repeat(2, 1fr); }
  .ts-phero__stat { padding: 24px 20px 26px 0; margin-right: 20px; }
  .ts-phero__stat:nth-child(2n) { margin-right: 0; border-right: none; }
  .ts-phero__num { font-size: 30px; }
  .ts-pdetail__inner { padding: 64px 24px 80px; }
  .ts-pdetail__title { font-size: 32px; }
  .ts-pdetail__block { margin-top: 64px; padding-top: 44px; }
  .ts-pdetail__features { grid-template-columns: 1fr; gap: 16px; }
  .ts-pdetail__feature { padding: 32px 28px 36px; }
  .ts-pdetail__spec-tab { padding: 11px 14px; font-size: 12px; }
  .ts-pdetail__spec-panes { margin-top: 28px; }
  .ts-pdetail__spec-k { width: 46%; }
  .ts-pacc__inner { padding: 72px 24px 80px; }
  .ts-pacc__title { font-size: 32px; }
  .ts-pacc__grid { grid-template-columns: 1fr; gap: 16px; margin-top: 40px; }
  .ts-pacc__card { padding: 32px 28px 36px; }
  .ts-pdetail__apps { grid-template-columns: 1fr; gap: 16px; }
  .ts-pmore__grid { grid-template-columns: 1fr; gap: 16px; }
  .ts-slist__inner { padding: 64px 24px 80px; }
  .ts-slist__grid { grid-template-columns: 1fr; gap: 16px; }
  .ts-slist .ts-sol { aspect-ratio: auto; min-height: 280px; }
  .ts-sdetail__solution { grid-template-columns: 1fr; gap: 28px; }
  .ts-pchallenge__inner { padding: 72px 24px 80px; }
  .ts-pchallenge__grid { grid-template-columns: 1fr; gap: 16px; margin-top: 40px; }
  .ts-pchallenge__pain { padding: 28px 24px 32px; }
  /* News & Insights 移动端 */
  .ts-pagehead__inner--narrow { padding: 104px 24px 48px; }
  .ts-nlist__inner { padding: 64px 24px 80px; }
  .ts-nlist__grid { grid-template-columns: 1fr; gap: 20px; }
  .ts-ncard__title { font-size: 20px; }
  .ts-nbody__h2 { font-size: 22px; margin-top: 36px; }
  .ts-nbody__p { font-size: 16px; }
  .ts-nbody__text h2 { font-size: 22px; margin-top: 36px; }
  .ts-nbody__text p,
  .ts-nbody__text ul,
  .ts-nbody__text ol,
  .ts-nbody__text blockquote { font-size: 16px; }
  .ts-nbody__text img { margin: 20px auto; }
  .ts-nbody__conclusion { padding: 28px 24px; }
  /* FQA 移动端 */
  .ts-faq__inner { padding: 64px 24px 80px; }
  .ts-faq__grid { grid-template-columns: 1fr; gap: 20px; }
  .ts-faqcard { padding: 28px 24px 26px; }
  .ts-faqa__inner { padding: 56px 24px 72px; }
  .ts-faqa__q { gap: 14px; }
  .ts-faqa__answer { margin-left: 0; }
  .ts-faqmore__inner { padding: 72px 24px 80px; }
  .ts-faqmore__grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .ts-faqmore__card { padding: 20px 20px; }
  .ts-pflow__inner { padding: 72px 24px 80px; }
  .ts-pflow__grid { grid-template-columns: 1fr; gap: 16px; margin-top: 40px; }
  .ts-sprod { grid-template-columns: 1fr; gap: 28px; }
  .ts-sprod__media img { aspect-ratio: 16 / 10; }
  .ts-smore__grid { grid-template-columns: 1fr; gap: 16px; }
  .ts-case-overview { grid-template-columns: 1fr; margin-top: 36px; }
  .ts-case-overview__item { padding: 16px 18px; }
  .ts-case-quote { padding: 56px 24px 28px 24px; }
  .ts-case-quote__mark { top: 22px; left: 24px; width: 26px; height: 26px; }
  .ts-case-quote__text { font-size: 17px; }
  .ts-about__inner { padding: 72px 24px 72px; }
  .ts-about__title { font-size: 34px; }
  .ts-about__gallery { grid-template-columns: 1fr; margin-top: 48px; }
  .ts-about__foot { flex-direction: column; align-items: flex-start; }
  .ts-clients__inner { padding: 64px 24px 72px; }
  .ts-clients__title { font-size: 34px; }
  .ts-clients__grid { grid-template-columns: 1fr 1fr; margin-top: 40px; }
  .ts-clients__cell { min-height: 112px; padding: 24px; }
  .ts-clients__logo { max-width: 120px; }
  .ts-news__inner { padding: 64px 24px 72px; }
  .ts-news__title { font-size: 34px; }
  .ts-news__grid { grid-template-columns: 1fr; margin-top: 40px; }
  .ts-news__item { border-left: none; border-top: 1px solid var(--ts-line-dark); padding: 26px 24px; }
  .ts-news__item:first-child { border-top: none; }
  .ts-news__thumb { width: calc(100% + 48px); margin: -26px -24px 18px; }
  .ts-cta__inner { flex-direction: column; align-items: flex-start; gap: 32px; padding: 56px 24px; }
  .ts-cta__title { font-size: 30px; }
  .ts-cta__actions { flex-direction: column; align-items: stretch; }
  .ts-cta__actions .ts-btn { width: 100%; }
  .ts-trust__inner { padding-left: 24px; padding-right: 24px; }
  .ts-trust__line { font-size: 12px; }
  .ts-modal__panel { padding: 28px 20px 24px; }
  .ts-modal__types { grid-template-columns: 1fr; }
  .ts-modal__code { width: 108px; }
  /* iOS Safari 聚焦自动缩放：弹窗输入/下拉/多行输入字号提升到 16px */
  .ts-modal__input,
  .ts-modal__code,
  .ts-modal__textarea { font-size: 16px; }
  .ts-footer__inner { grid-template-columns: 1fr; padding: 56px 24px 40px; gap: 40px; }
  .ts-footer__bottom-inner { flex-direction: column; align-items: flex-start; padding-left: 24px; padding-right: 24px; }
}

/* ==========================================================================
   入场动效机制（2026-08-14 调整）
   ========================================================================== */
/* 全站移除"默认隐藏 + 脚本滚动触发显示"（reveal）机制：
   所有内容始终可见、不依赖任何 JS，避免线上滚动触发失效导致板块整块消失。
   保留纯装饰的 CSS 动效（背景 Ken Burns / 粒子 / 光晕）与 hover 交互效果。 */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  /* 纯装饰动效（Ken Burns / 粒子）柔和保留；仅关闭 hover 过渡 */
  .ts-prod::after,
  .ts-prod__more,
  .ts-prod__cta span,
  .ts-about__shot img,
  .ts-about__shot-name::after { transition: none; }
}

/* ==========================================================================
   右侧浮动联系条（WhatsApp / WeChat / Email，全站通用）
   ========================================================================== */
.ts-contactbar {
  position: fixed;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  z-index: 80; /* 高于内容、低于导航(100)/弹窗(1000) */
  display: flex;
  flex-direction: column;
}
.ts-contactbar__item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  background: var(--ts-teal);
  color: var(--ts-white);
  border-bottom: 1px solid var(--ts-line);
  transition: background 0.25s ease, color 0.25s ease;
}
.ts-contactbar__item:last-child { border-bottom: none; }
.ts-contactbar__item:hover,
.ts-contactbar__item:focus-visible {
  background: var(--ts-yellow);
  color: var(--ts-ink);
}
/* 留言按钮：重置 button 默认样式，与链接项外观一致 */
.ts-contactbar__item--btn {
  appearance: none;
  padding: 0;
  border: none;
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
}
.ts-contactbar__icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
}
.ts-contactbar__icon--mail {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
/* 悬停时左侧滑出文字标签 */
.ts-contactbar__label {
  position: absolute;
  top: 0;
  right: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 16px;
  background: var(--ts-yellow);
  color: var(--ts-ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(8px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}
.ts-contactbar__item:hover .ts-contactbar__label,
.ts-contactbar__item:focus-visible .ts-contactbar__label {
  opacity: 1;
  transform: translateX(0);
}

/* 小屏：联系条已在移动端断点转为底部横条，无需再给 hero 按钮让位 */

/* ==========================================================================
   联系页（联系方式 + 表单）
   ========================================================================== */
.ts-contact {
  background: var(--ts-white);
}
.ts-contact__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 64px 112px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 88px;
}
.ts-contact__title {
  margin-top: 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 32px;
  line-height: 1.2;
  color: var(--ts-ink);
}
.ts-contact__lead {
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.7;
  color: rgba(32, 38, 43, 0.72);
}
/* 联系渠道列表 */
.ts-contact__list {
  margin-top: 36px;
  list-style: none;
  border-top: 1px solid var(--ts-line-dark);
}
.ts-contact__item { border-bottom: 1px solid var(--ts-line-dark); }
.ts-contact__link {
  display: grid;
  grid-template-columns: 40px 1fr;
  align-items: center;
  gap: 4px 18px;
  padding: 16px 8px;
  color: var(--ts-ink);
  transition: background 0.2s ease;
}
.ts-contact__link--static { cursor: default; }
.ts-contact__link:hover { background: var(--ts-mist); }
.ts-contact__ico {
  grid-row: 1 / 3;
  justify-self: center;
  width: 22px;
  height: 22px;
  color: var(--ts-teal-2);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.ts-contact__ico[fill="currentColor"] { fill: currentColor; stroke: none; }
.ts-contact__label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ts-teal-2);
}
.ts-contact__value {
  grid-column: 2;
  font-size: 15px;
  color: var(--ts-ink);
}
/* 联系表单卡片 */
.ts-contact__card {
  padding: 40px;
  background: var(--ts-mist);
  border: 1px solid var(--ts-line-dark);
}
.ts-contact__form {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.ts-contact__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.ts-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.ts-field__label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ts-teal-2);
}
.ts-field__input {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ts-ink);
  background: var(--ts-white);
  border: 1px solid var(--ts-line-dark);
  border-radius: 0;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.ts-field__input::placeholder { color: rgba(32, 38, 43, 0.4); }
.ts-field__input:focus {
  outline: none;
  border-color: var(--ts-teal-2);
  box-shadow: 0 0 0 3px rgba(78, 116, 115, 0.15);
}
.ts-field__input--area { resize: vertical; min-height: 120px; }
/* 电话字段：区号下拉 + 号码输入 组合行 */
.ts-field__phone { display: flex; gap: 10px; }
.ts-field__phone .ts-field__input { flex: 1; min-width: 0; }
.ts-field__select {
  flex: 0 0 132px;
  width: 132px;
  padding-right: 8px;
  cursor: pointer;
}
.ts-contact__form .ts-btn { align-self: flex-start; }
.ts-contact__form-hint {
  margin-top: -6px;
  font-size: 13px;
  line-height: 1.5;
  color: rgba(32, 38, 43, 0.55);
}
.ts-contact__form-ok {
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ts-teal-2);
  background: rgba(78, 116, 115, 0.08);
  border: 1px solid var(--ts-teal-2);
}
@media (max-width: 1024px) {
  .ts-contact__inner {
    grid-template-columns: 1fr;
    gap: 56px;
    padding: 80px 32px 96px;
  }
}
/* ---- 案例详情：客户/地点/行业 meta 行（深青 hero 内） ---- */
.ts-case-meta {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ts-yellow);
}
.ts-case-meta b { color: var(--ts-white); font-weight: 500; }

@media (max-width: 640px) {
  .ts-contact__inner { padding: 64px 24px 80px; }
  .ts-contact__row { grid-template-columns: 1fr; }
  .ts-contact__card { padding: 24px; }
  .ts-field__select { flex: 0 0 108px; width: 108px; }
  /* iOS Safari 聚焦自动缩放：输入/下拉/多行输入字号提升到 16px */
  .ts-field__input,
  .ts-field__select,
  .ts-field__input--area { font-size: 16px; }
}

/* ==========================================================================
   关于我们页（品牌故事 + 价值观 + 里程碑时间线）
   ========================================================================== */
/* ---- 品牌故事 ---- */
.ts-abt-story { background: var(--ts-white); }
.ts-abt-story__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 64px 112px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 72px;
  align-items: center;
}
.ts-abt-story__title {
  margin-top: 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 38px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ts-ink);
}
.ts-abt-story__para {
  margin-top: 20px;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(32, 38, 43, 0.78);
}
/* 数据条 */
.ts-abt-stats {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--ts-line-dark);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.ts-abt-stat__num {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 34px;
  line-height: 1;
  color: var(--ts-teal);
}
.ts-abt-stat__label {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(32, 38, 43, 0.55);
}
/* 配图 */
.ts-abt-story__img { margin: 0; }
.ts-abt-story__img img {
  width: 100%;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
/* ---- 价值观（深色横幅） ---- */
.ts-abt-values { background: var(--ts-ink); }
.ts-abt-values__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 64px 112px;
}
.ts-abt-values__head { max-width: 560px; }
.ts-abt-values__title {
  margin-top: 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 38px;
  line-height: 1.15;
  color: var(--ts-white);
}
.ts-abt-values__grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.ts-abt-value {
  border-top: 1px solid var(--ts-line);
  padding-top: 24px;
}
.ts-abt-value__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ts-yellow);
}
.ts-abt-value__title {
  margin-top: 14px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 18px;
  color: var(--ts-white);
}
.ts-abt-value__text {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ts-muted);
}
/* ---- 里程碑时间线 ---- */
.ts-abt-timeline { background: var(--ts-white); }
.ts-abt-timeline__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 64px 112px;
}
.ts-abt-timeline__title {
  max-width: 560px;
  margin-top: 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 38px;
  line-height: 1.15;
  color: var(--ts-ink);
}
.ts-abt-timeline__list {
  margin-top: 48px;
  list-style: none;
  border-left: 1px solid var(--ts-line-dark);
}
.ts-abt-timeline__item {
  position: relative;
  padding: 0 0 40px 40px;
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 32px;
}
.ts-abt-timeline__item:last-child { padding-bottom: 0; }
.ts-abt-timeline__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--ts-yellow);
  border-radius: 50%;
}
.ts-abt-timeline__year {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ts-teal-2);
}
.ts-abt-timeline__text {
  font-size: 15px;
  line-height: 1.65;
  color: rgba(32, 38, 43, 0.8);
}
@media (max-width: 1024px) {
  .ts-abt-story__inner { grid-template-columns: 1fr; gap: 48px; padding: 80px 32px 96px; }
  .ts-abt-story__img img { aspect-ratio: 16 / 9; }
  .ts-abt-values__inner { padding: 80px 32px 96px; }
  .ts-abt-values__grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .ts-abt-timeline__inner { padding: 80px 32px 96px; }
}
@media (max-width: 640px) {
  .ts-abt-story__inner { padding: 64px 24px 80px; }
  .ts-abt-stats { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .ts-abt-values__inner { padding: 64px 24px 80px; }
  .ts-abt-values__grid { grid-template-columns: 1fr; }
  .ts-abt-timeline__inner { padding: 64px 24px 80px; }
  .ts-abt-timeline__item { grid-template-columns: 1fr; gap: 8px; padding-left: 32px; }
}
/* ---- 专利证书 ---- */
.ts-patents {
  background: var(--ts-white);
  border-top: 1px solid var(--ts-line-dark);
}
.ts-patents__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 96px 64px 112px;
}
.ts-patents__head { max-width: 640px; }
.ts-patents__title {
  margin-top: 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 38px;
  line-height: 1.15;
  color: var(--ts-ink);
}
.ts-patents__lead {
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.65;
  color: rgba(32, 38, 43, 0.8);
}
.ts-patents__grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.ts-patents__card {
  margin: 0;
  background: var(--ts-white);
  border: 1px solid var(--ts-line-dark);
  padding: 8px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.ts-patents__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(13, 46, 44, 0.14);
}
.ts-patents__img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background: var(--ts-white);
}
.ts-patents__cap {
  margin-top: 8px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ts-teal-2);
}
@media (max-width: 1024px) {
  .ts-patents__inner { padding: 80px 32px 96px; }
  .ts-patents__grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
}
@media (max-width: 640px) {
  .ts-patents__inner { padding: 64px 24px 80px; }
  .ts-patents__grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}
/* ---- 产品详情页 FAQ ---- */
.ts-pfaq {
  margin-top: 48px;
  border-top: 1px solid var(--ts-line-dark);
}
.ts-pfaq__item {
  padding: 28px 0;
  border-bottom: 1px solid var(--ts-line-dark);
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 24px;
}
.ts-pfaq__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ts-teal-2);
  padding-top: 2px;
}
.ts-pfaq__question {
  margin: 0;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ts-ink);
}
.ts-pfaq__answer {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(32, 38, 43, 0.8);
}
@media (max-width: 640px) {
  .ts-pfaq__item { grid-template-columns: 1fr; gap: 8px; }
}
/* ---- 产品详情页左侧锚点导航（桌面端固定） ---- */
.ts-pnav {
  position: fixed;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  z-index: 70;
  display: flex;
  flex-direction: column;
}
.ts-pnav a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 12px;
  background: var(--ts-teal);
  color: var(--ts-muted);
  border-bottom: 1px solid var(--ts-line);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  transition: background 0.25s ease, color 0.25s ease;
}
.ts-pnav a:last-child { border-bottom: none; }
.ts-pnav a:hover,
.ts-pnav a:focus-visible {
  background: var(--ts-yellow);
  color: var(--ts-ink);
}
/* 产品详情页 div 锚点（ts-pdetail__block）补偿顶部固定导航遮挡 */
.ts-pdetail__block[id] { scroll-margin-top: calc(var(--nav-h) + 16px); }
@media (max-width: 1280px) {
  .ts-pnav { display: none; }
}

/* ==========================================================================
   SEO/GEO 增强组件（答案优先段落 / 合规应用筛查 / 内链）
   ========================================================================== */
/* 答案优先段落（列表页 pagehead 内，40-80 词直答，GEO 友好） */
.ts-pagehead__ans {
  margin-top: 16px;
  max-width: 680px;
  padding-left: 16px;
  border-left: 2px solid var(--ts-yellow);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
}
@media (max-width: 640px) {
  .ts-pagehead__ans { font-size: 14px; }
}

/* 合规应用筛查提示区（油 / 化工方案页强制渲染） */
.ts-safety {
  background: var(--ts-white);
}
/* 白底覆盖：该区块复用深底板块的 head 类（白字），需改为深色文字保证可读性 */
.ts-safety .ts-kicker__text { color: var(--ts-yellow-dark); }
.ts-safety .ts-pacc__title { color: var(--ts-ink); }
.ts-safety__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 88px 64px 96px;
}
.ts-safety__head { max-width: 720px; }
.ts-safety__points {
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
  border-left: 3px solid var(--ts-yellow);
}
.ts-safety__point {
  padding: 14px 0 14px 28px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ts-ink);
}
.ts-safety__point::before {
  content: "";
  position: relative;
  top: -2px;
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--ts-yellow);
}
.ts-safety__foot {
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: 24px 28px;
  background: #F5F7F6;
  border: 1px solid var(--ts-line-dark);
}
.ts-safety__note {
  flex: 1;
  min-width: 260px;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ts-ink);
}
@media (max-width: 640px) {
  .ts-safety__inner { padding: 64px 24px 72px; }
  .ts-safety__foot { flex-direction: column; align-items: stretch; }
  .ts-safety__note { min-width: 0; overflow-wrap: break-word; word-break: break-word; }
  .ts-safety__foot .ts-btn { width: 100%; min-width: 0; }
}

/* 产品详情 FAQ 底部「更多问答」内链 */
.ts-pfaq__more {
  margin: 28px 0 0;
  font-size: 14px;
}
.ts-pfaq__more a,
.ts-smore__read a {
  color: var(--ts-teal);
  font-weight: 600;
  text-decoration: none;
}
.ts-pfaq__more a:hover,
.ts-smore__read a:hover { text-decoration: underline; }

/* 方案详情「相关阅读」内链 */
.ts-smore__read {
  margin-top: 32px;
  font-size: 14px;
}