/* ==========================================================================
   home.css — touchwo.com 首页一比一复刻（干净重写，无任何 elementor 依赖）
   实测参数来源：老站聚合 CSS（two_front_page_aggregated）+ 页面实测
   色板：主蓝 #0068B7 / 深蓝字 #1C244B / 深蓝 #02375F / 灰 #767676
         浅蓝底 #E4EFF6 / 更浅 #EFF6FA / 水印灰 #F7F7F7 / 红点缀 #EA2F3C
   ========================================================================== */

:root {
  --tw-blue: #0068B7;
  --tw-blue-dk: #005EA5;
  --tw-navy: #1C244B;
  --tw-dark: #02375F;
  --tw-gray: #767676;
  --tw-light: #E4EFF6;
  --tw-lighter: #EFF6FA;
  --tw-red: #EA2F3C;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Poppins', 'Segoe UI', 'Microsoft YaHei', sans-serif;
  font-size: 16px; line-height: 1.6; color: #000; background: #FFF;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; border: 0; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

/* 内容宽：老站 elementor boxed = 1440px（tablet 1024 / mobile 767） */
.tw-wrap { max-width: 1440px; margin: 0 auto; padding: 0 20px; }
/* 全幅容器：老站大区块（PRODUCT/NEW/CUSTOMIZED/STATS）为视口满宽 + 百分比边距 */
.tw-wrap-full { width: 100%; padding-left: 2%; padding-right: 2%; }
.tw-wrap-wide { padding-left: 5%; padding-right: 5%; }

/* ==========================================================================
   Header（白色 + 蓝阴影 + 粘性；顶栏语言切换）
   ========================================================================== */
.tw-header {
  position: sticky; top: 0; z-index: 200;
  background: #FFF; min-height: 80px;
  box-shadow: 0 0 20px 0 rgba(0, 104, 183, .16);
  padding-bottom: 10px;
}

/* 主栏：logo + 导航 + 语言 + Contact us（居中限宽 1440） */
.tw-header-in { display: flex; align-items: center; gap: 24px; padding: 14px 20px 10px; max-width: 1440px; margin: 0 auto; }
.tw-logo { flex-shrink: 0; display: flex; align-items: center; }
.tw-logo img { height: 48px; width: auto; }

/* 语言切换（主行内） */
.tw-lang { position: relative; flex-shrink: 0; }
.tw-lang-cur {
  display: flex; align-items: center; gap: 8px;
  background: none; border: 0; font-size: 14px; color: #303133; padding: 6px 0;
}
.tw-lang-cur img, .tw-lang-menu img { width: 22px; height: auto; display: block; }
.tw-caret { transition: transform .2s; }
.tw-lang:hover .tw-caret, .tw-lang.open .tw-caret { transform: rotate(180deg); }
.tw-lang-menu {
  display: none; position: absolute; top: 100%; left: 0; z-index: 50;
  min-width: 180px; max-height: 420px; overflow-y: auto;
  background: #FFF; border-radius: 6px; padding: 6px;
  box-shadow: 0 12px 30px rgba(2, 55, 95, .16);
}
.tw-lang:hover .tw-lang-menu, .tw-lang.open .tw-lang-menu { display: block; }
@media (max-width: 1024px) {
  /* 手机端语言栏居行尾：下拉改右对齐，防 min-width 180px 顶出屏幕右缘 */
  .tw-lang-menu { left: auto; right: 0; }
}
.tw-lang-menu a {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 12px; font-size: 13px; color: #303133; border-radius: 4px; white-space: nowrap;
}
.tw-lang-menu a:hover { background: #F1F7FC; color: var(--tw-blue); }
.tw-lang-menu a.cur { background: #F1F7FC; color: var(--tw-blue); font-weight: 500; }

.tw-nav { flex: 1; }
.tw-nav > ul { display: flex; justify-content: center; align-items: center; gap: 4px; flex-wrap: wrap; }
.tw-nav-item { position: relative; }
.tw-nav-item > a {
  display: flex; align-items: center; gap: 6px;
  padding: 20px 12px; font-size: 16px; font-weight: 500; color: var(--tw-navy);
  transition: color .3s;
}
.tw-nav-item > a:hover { color: #1f2124; }
.tw-nav-item > a .tw-caret { color: var(--tw-navy); }/* Contact us 按钮（#0068B7 / 16px / 500 / 直角） */
.tw-btn-contact {
  flex-shrink: 0; display: inline-block;
  background: var(--tw-blue); color: #FFF; font-size: 16px; font-weight: 500;
  padding: 16px 45px; line-height: 1em; text-transform: capitalize;
  transition: background .3s;
}
.tw-btn-contact:hover { background: var(--tw-dark); }

/* 移动端汉堡 */
.tw-nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 42px; height: 42px; background: none; border: 0; padding: 6px;
}
.tw-nav-toggle span { display: block; height: 2px; background: var(--tw-navy); transition: .3s; }
body.tw-menu-open .tw-nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.tw-menu-open .tw-nav-toggle span:nth-child(2) { opacity: 0; }
body.tw-menu-open .tw-nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   1. Hero：100vh 视频底 + 蓝遮罩 + 两级标题（47 / 110px）+ 徽章 + CTA
   ========================================================================== */
.tw-hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; background: var(--tw-blue); }
.tw-hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.tw-hero-mask { position: absolute; inset: 0; background: rgba(0, 104, 183, .38); }
.tw-hero-in { position: relative; z-index: 2; text-align: center; color: #FFF; width: 100%; }
.tw-hero-t1 { display: block; font-size: 47px; font-weight: 400; line-height: 1.2; }
.tw-hero-t2 { display: block; font-size: 110px; font-weight: 700; line-height: 1; letter-spacing: -2px; }
.tw-hero-sub { font-size: 16px; font-weight: 400; line-height: 1.6; margin-top: 18px; }
.tw-hero-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 38px; padding: 4% 0; }
.tw-hero-badge { display: inline-flex; align-items: center; gap: 10px; font-size: 18px; line-height: 1.2; }
.tw-hero-badge img { width: 40px; height: 40px; object-fit: contain; }
.tw-hero-btn {
  display: inline-block; background: #FFF; color: var(--tw-blue);
  font-size: 24px; font-weight: 500; padding: 16px 42px; border-radius: 8px;
  transition: all .3s;
}
.tw-hero-btn:hover { background: var(--tw-dark); color: #FFF; }

/* ==========================================================================
   2. Trusted By：白色浮动卡（上叠 hero -70px / 圆角 20 / 内衬 30）
   ========================================================================== */
.tw-band-trusted { position: relative; z-index: 5; margin-top: -70px; padding: 20px; }
.tw-trusted-card {
  display: flex; align-items: center; gap: 40px;
  background: #FFF; border-radius: 20px; padding: 30px;
  box-shadow: 0 18px 50px rgba(16, 69, 76, .13);
}
.tw-trusted-info { flex: 0 0 320px; }
.tw-trusted-title { font-size: 29px; font-weight: 600; color: #000; }
.tw-trusted-sub { font-size: 15px; color: var(--tw-gray); margin-top: 8px; line-height: 1.6; }
.tw-trusted-logos { flex: 1; display: flex; flex-wrap: nowrap; align-items: center; justify-content: center; gap: 46px; min-width: 0; }
.tw-trusted-logos img { height: 52px; width: auto; object-fit: contain; flex-shrink: 1; min-width: 0; }

/* ==========================================================================
   通用：区块水印大字（97px #F7F7F7）+ 标题（37px/500）+ 副文
   ========================================================================== */
.tw-band { position: relative; }
.tw-watermark {
  position: absolute; top: 26px; left: 50%; transform: translateX(-50%);
  font-size: 97px; font-weight: 700; color: #F7F7F7; line-height: 1; white-space: nowrap;
  pointer-events: none; user-select: none; z-index: 0;
}
.tw-band-title { position: relative; font-size: clamp(24px, 2.6vw, 50px); font-weight: 500; color: #000; text-align: center; line-height: 1.2; }
.tw-band-title em { font-style: normal; color: var(--tw-blue); }
.tw-band-sub { position: relative; text-align: center; color: var(--tw-gray); font-size: 16px; margin: 10px auto 40px; max-width: 860px; }

/* ==========================================================================
   3. PRODUCT：白底全幅（pad 5% 2% 2%），三张 #E4EFF6 圆角卡包裹（图不裁切）
   ========================================================================== */
.tw-band-product { padding: 5% 2% 5%; }
.tw-cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 34px; }
.tw-cat-card {
  display: flex; flex-direction: column; gap: 10px;
  background: var(--tw-light); border-radius: 10px; padding: 10px;
  transition: transform .3s;
}
.tw-cat-card:hover { transform: translateY(-6px); }
.tw-cat-card img { width: 100%; height: auto; display: block; }
.tw-cat-title { font-size: 24px; font-weight: 500; color: #000; }
.tw-cat-desc { font-size: 16px; color: #000; line-height: 1.5; }

/* ==========================================================================
   4. New Products：#E4EFF6 底（角标 -34px 上浮出区块，卡片透明无裁切）
   ========================================================================== */
.tw-band-new { background: var(--tw-light); padding: 0 2% 2%; }
.tw-new-badge { position: relative; z-index: 2; display: block; width: 6vw; margin: -34px 0 0 10px; padding-top: 2%; }
.tw-carousel { position: relative; padding: 10px 30px 20px; }
.tw-carousel-track {
  display: flex; gap: 25px; overflow-x: auto; scroll-snap-type: x mandatory;
  scroll-behavior: smooth; padding: 6px; scrollbar-width: none;
}
.tw-carousel-track::-webkit-scrollbar { display: none; }
.tw-car-card {
  flex: 0 0 calc((100% - 125px) / 6); scroll-snap-align: start;
  background: #FFF; border-radius: 10px; padding: 14px 14px 18px; text-align: center;
}
.tw-car-img { display: flex; align-items: center; justify-content: center; height: 240px; }
.tw-car-img img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.tw-car-title { font-size: 16px; font-weight: 600; color: #000; line-height: 1.3; margin: 20px 0 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.6em; }
.tw-car-title a:hover { color: var(--tw-blue); }
.tw-car-more { display: inline-flex; align-items: center; gap: 6px; font-size: 18px; font-weight: 500; color: #5D5D5D; }
.tw-car-more:hover { color: var(--tw-blue); }
.tw-car-btn {
  position: absolute; top: 40%; z-index: 5; width: 42px; height: 42px;
  background: #FFF; color: var(--tw-blue); border: 0; border-radius: 50%;
  font-size: 26px; line-height: 1; box-shadow: 0 6px 18px rgba(2, 55, 95, .18);
  transition: all .3s;
}
.tw-car-btn:hover { background: var(--tw-blue); color: #FFF; }
.tw-car-prev { left: -10px; }
.tw-car-next { right: -10px; }
/* PRODUCT 分类轮播卡（复用 tw-carousel 机制；大卡 4 张/屏，cover 场景图） */
.tw-catcar-card { flex: 0 0 calc((100% - 75px) / 4); padding: 0; text-align: left; transition: transform .25s, box-shadow .25s; }
.tw-catcar-card:hover { transform: translateY(-5px); box-shadow: 0 16px 34px rgba(28,36,75,.14); }
.tw-catcar-img { display: block; height: 210px; border-radius: 10px 10px 0 0; overflow: hidden; background: #F0F4F8; }
.tw-catcar-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.tw-catcar-card:hover .tw-catcar-img img { transform: scale(1.06); }
.tw-catcar-title { font-size: 17px; font-weight: 600; color: var(--tw-navy); line-height: 1.35; margin: 16px 16px 6px; min-height: 0; }
.tw-catcar-title a:hover { color: var(--tw-blue); }
.tw-catcar-count { display: block; margin: 0 16px 18px; font-size: 13px; color: #8A97A6; }

/* ==========================================================================
   5. SOLUTION：白底，左 2% 右贴边（轮播满宽到右缘；v2.67 起手风琴改 tw-carousel 轮播）
   ========================================================================== */
.tw-band-solution { padding: 5% 0 2% 0; }
.tw-sol-head { padding: 0 2%; }
/* SOLUTION 方案轮播卡（复用 tw-carousel / tw-car-card，6 张/屏；场景图 cover 圆角 + 描述两行截断） */
.tw-solcard .tw-car-img { display: block; height: 240px; border-radius: 10px; overflow: hidden; background: #F0F4F8; }
.tw-solcard .tw-car-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.tw-solcard:hover .tw-car-img img { transform: scale(1.06); }
.tw-solcard .tw-car-title { margin: 16px 0 6px; min-height: 0; }
.tw-solcard-desc { font-size: 13px; color: #5D5D5D; line-height: 1.45; margin: 0 0 8px; min-height: 2.9em;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tw-solcard .tw-car-more { font-size: 15px; }

/* ==========================================================================
   6. CUSTOMIZED：#EFF6FA 底，纵向排版（大图 → 10 Customizable Contents → 10 项一行）
   ========================================================================== */
.tw-band-custom { background: var(--tw-lighter); padding: 5% 2% 2%; }
.tw-band-custom .tw-watermark { color: #E7EEF2; }
.tw-custom-h2 { position: relative; text-align: center; font-size: clamp(24px, 2.6vw, 50px); font-weight: 500; color: #000; }
.tw-custom-sub { text-align: center; color: var(--tw-gray); font-size: 16px; margin: 10px auto 30px; max-width: 860px; }
.tw-custom-img { display: block; width: 100%; max-width: 1100px; margin: 0 auto; border-radius: 10px; }
.tw-custom-h3 { text-align: center; font-size: clamp(20px, 2.2vw, 42px); font-weight: 400; color: #0169B8; margin: 28px 0 20px; }
.tw-custom-list {
  display: flex; flex-wrap: wrap; gap: 10px;
  background: #FFF; border-radius: 10px;
  box-shadow: 0 0 20px rgba(2, 55, 95, .10);
  padding: 24px 20px 24px 10px;
}
.tw-custom-item {
  flex: 1 0 9%; min-width: 90px; display: flex; flex-direction: column;
  align-items: center; text-align: center; gap: 2px; font-size: clamp(13px, 1vw, 18px); color: #000;
  cursor: pointer;
}
.tw-custom-item img { width: 50%; height: auto; transition: transform .3s ease; }
.tw-custom-item:hover img { transform: scale(1.15); }
.tw-custom-item:hover { color: var(--tw-blue); }

/* ==========================================================================
   7. LAUNCH：#0068B7 底（boxed 1440 / pad 50）+ canvas 白粒子连线动画
   ========================================================================== */
.tw-band-launch { position: relative; overflow: hidden; background: var(--tw-blue); padding: 50px; text-align: center; }
.tw-launch-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.tw-launch-title { position: relative; color: #FFF; font-size: clamp(22px, 2.6vw, 50px); font-weight: 600; margin-bottom: 26px; }
.tw-launch-btn {
  position: relative; display: inline-block; background: #FFF; color: var(--tw-blue);
  font-size: 24px; font-weight: 500; padding: 14px 42px; border-radius: 8px; transition: all .3s;
}
.tw-launch-btn:hover { background: var(--tw-dark); color: #FFF; }

/* ==========================================================================
   8. ABOUT：背景图 + 左重白罩；文案左上，视频+三图在下（纵排）
   ========================================================================== */
.tw-band-about { margin-top: 6%; padding: 0 2% 2% 0; }
.tw-about-grid { display: flex; justify-content: space-between; align-items: stretch; gap: 4%; }
.tw-about-text { position: relative; flex: 0 0 42%; align-self: center; padding: 0 0 0 5%; }
.tw-about-text .tw-watermark { left: 0; transform: none; }
.tw-about-title { position: relative; font-size: clamp(24px, 2.6vw, 50px); font-weight: 500; color: #000; }
.tw-about-text p { position: relative; font-size: clamp(14px, 1vw, 19px); font-weight: 300; color: #000; line-height: 1.7; margin-top: 14px; }
.tw-about-link { position: relative; display: inline-block; margin-top: 22px; font-size: 16px; font-weight: 500; color: var(--tw-blue); }
.tw-about-link:hover { text-decoration: underline; }
.tw-about-media { position: relative; flex: 1; align-self: flex-end; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding-left: 4%; }
.tw-about-media .tw-watermark { top: auto; bottom: -34px; left: 4%; transform: none; font-weight: 400; color: #ECF2F2; }
.tw-about-fig { position: relative; border-radius: 10px; overflow: hidden; }
.tw-about-fig img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 3 / 3.4; }
/* 关于区顶部宣传视频：跨满三列行，压暗黑底等比裁切（muted 自动播放策略友好） */
.tw-about-video { grid-column: 1 / -1; }
.tw-about-video video { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; background: #000; }
.tw-about-cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 8px 10px;
  font-size: 13px; color: #FFF; text-align: center;
  background: linear-gradient(transparent, rgba(0, 0, 0, .55));
}

/* ==========================================================================
   9. COMPANY VIEW：白底（左右 5%），6 透明卡（标签 18px 上 + 数字 30px/600 下）
   ========================================================================== */
.tw-band-stats { padding: 56px 5%; }
.tw-wrap-wide {
  background: #FFF; border-radius: 10px;
  box-shadow: 0 0 20px rgba(2, 55, 95, .10);
}
.tw-stat-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.tw-stat { padding: 20px; text-align: center; }
.tw-stat img { width: 46px; height: 46px; object-fit: contain; margin: 0 auto; }
.tw-stat-label { font-size: 18px; font-weight: 400; color: #000; }
.tw-stat-num { font-size: 30px; font-weight: 600; color: #000; line-height: 1.2; margin-top: 6px; }

/* ==========================================================================
   10. PROCESS：白底（margin-top 5%），红斜体数字标题 + 5 步 + 双按钮
   ========================================================================== */
.tw-band-process { margin-top: 5%; padding: 0 2% 48px; }
.tw-process-h2 { text-align: center; font-size: 31px; font-weight: 400; color: #030303; }
.tw-process-h2 .num { font-style: italic; color: var(--tw-red); }
.tw-process-sub { text-align: center; font-size: 15px; letter-spacing: 4px; color: var(--tw-gray); text-transform: uppercase; margin: 6px 0 34px; }
.tw-process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.tw-process-card img { width: 100%; aspect-ratio: 1 / .9; object-fit: cover; border-radius: 8px; }
.tw-process-card figcaption { font-size: 18px; font-weight: 400; color: #030303; margin-top: 10px; text-align: center; }
.tw-process-btns { display: flex; justify-content: center; gap: 20px; margin-top: 40px; }
.tw-btn-blue { display: inline-block; background: var(--tw-blue); color: #FFF; font-size: 24px; font-weight: 500; padding: 14px 42px; border-radius: 8px; transition: background .3s; }
.tw-btn-blue:hover { background: var(--tw-dark); }
.tw-btn-sky { display: inline-block; background: #B5DFFF; color: var(--tw-blue); font-size: 24px; font-weight: 500; padding: 14px 42px; border-radius: 8px; transition: all .3s; }
.tw-btn-sky:hover { background: var(--tw-dark); color: #FFF; }

/* ==========================================================================
   11. SERVICE：#0068B7 蓝底，圆图为背景装饰，标题 + 5 张 #005DA3 大圆角卡
   ========================================================================== */
.tw-band-service { background: var(--tw-blue); margin-top: 6%; padding: 5% 2%; }
.tw-band-service .tw-watermark { color: #0064B1; }
.tw-service-in { position: relative; display: flex; flex-direction: column; justify-content: center; align-items: center; min-height: 100%; }
.tw-service-body { position: relative; text-align: center; }
.tw-band-service .tw-band-title { color: #FFF; }
.tw-service-list { margin-top: 28px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.tw-service-item {
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px;
  background: #005DA3; border-radius: 20px; padding: 50px 20px;
}
.tw-service-item img { width: 56px; height: 56px; object-fit: contain; }
.tw-service-item span { font-size: 18px; font-weight: 400; color: #FFF; line-height: 1.2; }
.tw-service-btn { display: inline-block; margin-top: 34px; background: var(--tw-blue-dk); color: #FFF; font-size: 16px; font-weight: 500; padding: 12px 34px; border-radius: 8px; transition: background .3s; }
.tw-service-btn:hover { background: var(--tw-dark); }

/* ==========================================================================
   12. News：白底（margin 5% 0），筛选 tab + 4 卡（边框 #e6e6e6）
   ========================================================================== */
.tw-band-news { margin: 5% 0; }
.tw-news-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-bottom: 30px; }
.tw-news-tab { padding: 7px 20px; border: 1px solid #DCDFE6; border-radius: 999px; background: #FFF; color: var(--tw-gray); font-size: 14px; transition: all .2s; }
.tw-news-tab:hover { color: var(--tw-blue); border-color: var(--tw-blue); }
.tw-news-tab.on { background: var(--tw-blue); border-color: var(--tw-blue); color: #FFF; }
.tw-news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.tw-news-card { display: flex; flex-direction: column; background: #FFF; border: 1px solid #E6E6E6; border-radius: 6px; overflow: hidden; transition: box-shadow .25s; }
.tw-news-card:hover { box-shadow: 0 0 6px rgba(0, 104, 183, .34); }
.tw-news-card > img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; display: block; }
/* 鏃犲皝闈㈠崰浣嶄笌鍥剧墖鍚屾瘮渚嬶紝閬垮厤娣锋帓鏃跺崱鐗囬珮浣庝笉涓€ */.tw-news-card .tw-car-ph { aspect-ratio: 3 / 2; border-radius: 0; }
.tw-news-body { padding: 16px 14px 12px; display: flex; flex-direction: column; flex: 1; }
.tw-news-cat { align-self: flex-start; background: rgba(0, 0, 0, .35); color: #FFF; font-size: 13px; text-transform: uppercase; border-radius: 4px; padding: 2px 10px; }
.tw-news-title { font-size: 18px; font-weight: 600; color: var(--tw-navy); line-height: 1.35; margin-top: 10px; }
.tw-news-card:hover .tw-news-title { color: var(--tw-blue); }
.tw-news-excerpt { font-size: 14px; color: var(--tw-gray); line-height: 1.5; margin-top: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tw-news-date { font-size: 13px; color: #A9A9A9; border-top: 1px solid #E6E6E6; padding-top: 10px; margin-top: auto; }

/* ==========================================================================
   13. CTA：#012642 深蓝底，左文案+图 / 右白表单卡
   ========================================================================== */
.tw-band-cta { background: #012642; padding: 100px 20px; }
.tw-cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.tw-cta-title { color: #FFF; font-size: 34px; font-weight: 500; line-height: 1.3; }
.tw-cta-title em { font-style: normal; color: #2F9BFF; }
.tw-cta-sub { color: #C9D6E4; font-size: 16px; line-height: 1.7; margin: 16px 0 30px; }
.tw-cta-fig { position: relative; }
.tw-cta-fig .bg { width: 100%; border-radius: 12px; }
.tw-cta-form { background: #FFF; border-radius: 12px; padding: 40px; }
.tw-cta-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.tw-cta-form input, .tw-cta-form textarea {
  width: 100%; border: 1px solid #DCDFE6; border-radius: 6px;
  padding: 12px 14px; font-size: 14px; font-family: inherit; outline: none; transition: border-color .2s;
}
.tw-cta-form input:focus, .tw-cta-form textarea:focus { border-color: var(--tw-blue); }
.tw-cta-form textarea { min-height: 120px; resize: vertical; margin-bottom: 16px; }
.tw-cta-submit {
  display: block; width: 100%; background: var(--tw-blue); color: #FFF; border: 0;
  font-size: 18px; font-weight: 500; padding: 14px; border-radius: 8px; transition: background .3s;
}
.tw-cta-submit:hover { background: var(--tw-dark); }
.tw-cta-submit:disabled { opacity: .6; cursor: not-allowed; }
.tw-cta-note { font-size: 12px; color: #909399; margin-top: 12px; }
/* 询盘提交反馈（v2.52）：成功绿 / 失败红，浅底描边消息条，提交中隐藏 */
.tw-cta-msg { display: none; font-size: 13.5px; line-height: 1.6; min-height: 0; margin-top: 10px; padding: 10px 14px; border-radius: 8px; }
.tw-cta-msg.ok, .tw-cta-msg.err { display: block; }
.tw-cta-msg.ok { color: #1E7E34; background: #EAF7EE; border: 1px solid #BFE5CB; }
.tw-cta-msg.err { color: #C0392B; background: #FDEEEB; border: 1px solid #F5CDC5; }
.tw-hp-field { position: absolute; left: -9999px; }

/* ==========================================================================
   Footer：#06122A 深底，5 列 + 版权条
   ========================================================================== */
.tw-footer { background: #06122A; padding: 80px 0; }
/* 三段式：左=品牌+联系；中=导航列组（居中、列距宽松）；右=社媒+地图（贴右） */
.tw-footer-grid { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; }
.tw-footer-brand { flex: 0 1 300px; }
.tw-footer-nav { flex: 1 1 auto; display: flex; justify-content: center; gap: 64px; }
.tw-footer-social-col { flex: 0 0 300px; }
.tw-footer-logo img { height: 44px; width: auto; margin-bottom: 20px; }
.tw-footer-contact li { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: #B3BAC4; line-height: 1.7; margin-bottom: 10px; }
.tw-footer-contact svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 4px; color: #6E7C90; }
.tw-footer-contact a:hover { color: #FFF; }
.tw-footer-social { display: flex; flex-wrap: nowrap; gap: 8px; }
.tw-footer-social a {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(255, 255, 255, .08); color: #C9D2DD; transition: all .3s;
  flex: 0 0 auto;
}
.tw-footer-social a:hover { background: var(--tw-blue); color: #FFF; }
.tw-footer-social svg { width: 16px; height: 16px; }
/* Footer Google 地图（Follow Us 列内、社媒下方；iframe 强制自适应画幅） */
.tw-footer-map { margin-top: 14px; border-radius: 10px; overflow: hidden; border: 1px solid rgba(255,255,255,.14); }
.tw-footer-map iframe { width: 100%; height: 170px; border: 0; display: block; }
.tw-footer-title { font-size: 16px; font-weight: 600; color: #FFF; margin-bottom: 16px; }
.tw-footer-col ul li { margin-bottom: 10px; }
.tw-footer-col ul a { font-size: 13px; color: #B3BAC4; transition: color .2s; }
.tw-footer-col ul a:hover { color: #FFF; text-decoration: underline; }
.tw-footer-bar { background: #06122A; border-top: 1px solid rgba(255, 255, 255, .08); padding: 12px 0; }
.tw-footer-bar-in { display: flex; justify-content: space-between; align-items: center; gap: 20px; font-size: 12px; color: #7A8698; }
.tw-footer-bar a { color: #7A8698; }
.tw-footer-bar a:hover { color: #FFF; }
/* 返回顶部 → 已并入悬浮侧栏（.tw-floatbar-top，样式见文件尾 v2.36 块） */

/* ==========================================================================
   响应式（对齐老站断点 1200 / 1024 / 767）
   ========================================================================== */
@media (max-width: 1200px) {
  .tw-hero-t1 { font-size: 36px; }
  .tw-hero-t2 { font-size: 84px; }
  .tw-watermark { font-size: 64px; }
  .tw-stat-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
  .tw-nav-toggle { display: flex; margin-left: auto; }
  .tw-btn-contact { display: none; }
  .tw-catcar-card { flex-basis: calc((100% - 25px) / 2); }
  .tw-nav { display: none; flex-direction: column; width: 100%; }
  /* 展开改全屏浮层：fixed 铺满顶栏以下整屏（top 由 JS 按顶栏实际高度钉准，80px 兜底），
     白底满屏 + 滑入淡入；条目逐个轻微错峰浮现（stagger，keyframes 见下） */
  body.tw-menu-open .tw-nav {
    display: block;
    position: fixed; top: 80px; left: 0; right: 0; bottom: 0;
    background: #FFF;
    overflow-y: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch;
    animation: twMenuIn .28s ease both;
  }
  body.tw-menu-open .tw-nav-item { animation: twMenuItemIn .34s ease both; }
  body.tw-menu-open .tw-nav-item:nth-child(2) { animation-delay: .05s; }
  body.tw-menu-open .tw-nav-item:nth-child(3) { animation-delay: .10s; }
  body.tw-menu-open .tw-nav-item:nth-child(4) { animation-delay: .15s; }
  body.tw-menu-open .tw-nav-item:nth-child(5) { animation-delay: .20s; }
  body.tw-menu-open .tw-nav-item:nth-child(6) { animation-delay: .25s; }
  body.tw-menu-open .tw-nav-item:nth-child(n+7) { animation-delay: .30s; }
  .tw-nav > ul { flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 0; }
  .tw-nav-item > a { padding: 16px 24px; border-bottom: 1px solid #F1F3F5; }
  @keyframes twMenuIn { from { opacity: 0; transform: translateY(-16px); } to { opacity: 1; transform: none; } }
  @keyframes twMenuItemIn { from { opacity: 0; transform: translateX(-14px); } to { opacity: 1; transform: none; } }
  .tw-trusted-card { flex-direction: column; text-align: center; gap: 18px; }
  .tw-trusted-info { flex: none; }
  .tw-hero-t2 { font-size: 56px; letter-spacing: 0; }
  .tw-hero-btn, .tw-btn-blue, .tw-btn-sky, .tw-launch-btn { font-size: 18px; padding: 12px 30px; }
  .tw-cat-grid { grid-template-columns: repeat(2, 1fr); }
  .tw-about-grid { flex-direction: column; }
  .tw-about-text { flex: none; align-self: stretch; }
  .tw-process-grid { grid-template-columns: repeat(3, 1fr); }
  .tw-service-body { padding-left: 0; }
  .tw-band-service .tw-band-title { text-align: center; }
  .tw-news-grid { grid-template-columns: repeat(2, 1fr); }
  .tw-cta-grid { grid-template-columns: 1fr; }
  .tw-cta-form { padding: 26px; }
  .tw-footer-grid { flex-wrap: wrap; gap: 32px; }
  .tw-footer-nav { gap: 40px; }
  .tw-car-btn { display: none; }
}

@media (max-width: 767px) {
  .tw-hero-t1 { font-size: 26px; }
  .tw-hero-t2 { font-size: 40px; }
  .tw-hero-badge { font-size: 14px; }
  .tw-hero-badge img { width: 26px; height: 26px; }
  .tw-hero-badges { gap: 18px; }
  .tw-band-title { font-size: 26px; }
  .tw-watermark { font-size: 40px; }
  .tw-cat-grid { grid-template-columns: 1fr; }
  .tw-catcar-card { flex-basis: 82%; }
  .tw-catcar-img { height: 172px; }
  .tw-custom-list { grid-template-columns: 1fr 1fr; }
  .tw-about-media { grid-template-columns: 1fr 1fr; }
  .tw-process-grid { grid-template-columns: repeat(2, 1fr); }
  .tw-service-list { grid-template-columns: 1fr; }
  .tw-news-grid { grid-template-columns: 1fr; }
  .tw-cta-form .row { grid-template-columns: 1fr; }
  .tw-footer-brand, .tw-footer-social-col { flex-basis: 100%; }
  .tw-footer-nav { justify-content: flex-start; gap: 44px; flex-wrap: wrap; }
  .tw-footer-bar-in { flex-direction: column; text-align: center; }
  .tw-cta-fig .float { display: none; }
  .tw-stat-grid { grid-template-columns: repeat(2, 1fr); }
  .tw-trusted-logos { gap: 20px; }
  .tw-trusted-logos img { height: 36px; }
}

/* 新品轮播：无封面占位 */
.tw-car-ph { width: 100%; aspect-ratio: 1; border-radius: 8px; background: #FFF; display: flex; align-items: center; justify-content: center; color: #C3CDD6; font-size: 13px; }
/* ==========================================================================
   级联下拉菜单：悬停逐级展开（顶级分类 → 二级 → 三级）
   ========================================================================== */
.tw-nav-item > .tw-drop {
  position: absolute; top: calc(100% + 6px); left: 0; z-index: 100;
  min-width: 236px; background: #FFF; border-radius: 8px;
  border-top: 3px solid var(--tw-blue); padding: 10px;
  box-shadow: 0 18px 46px rgba(2, 55, 95, .2);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
}
.tw-nav-item:hover > .tw-drop,
.tw-nav-item.open > .tw-drop { opacity: 1; visibility: visible; transform: translateY(0); }
.tw-drop { list-style: none; margin: 0; padding: 10px; }
.tw-nav-item > .tw-drop { padding: 10px; }
.tw-drop li { position: relative; }
.tw-drop a {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 9px 12px; font-size: 14px; color: #3D4A5C; border-radius: 6px;
  white-space: nowrap; transition: color .18s, background .18s;
}
.tw-drop a:hover,
.tw-drop li.open > a { color: var(--tw-blue); background: #F2F8FD; }
.tw-drop .tw-arrow { color: #B6C2CE; flex-shrink: 0; transition: color .18s, transform .18s; }
.tw-drop a:hover .tw-arrow,
.tw-drop li.open > a .tw-arrow { color: var(--tw-blue); }
.tw-drop li:hover > a .tw-arrow,
.tw-drop li.open > a .tw-arrow { transform: translateX(2px); }
.tw-fly {
  position: absolute; top: -10px; left: calc(100% + 12px);
  min-width: 224px; background: #FFF; border-radius: 8px;
  border-top: 3px solid var(--tw-blue); box-shadow: 0 18px 46px rgba(2, 55, 95, .2);
  opacity: 0; visibility: hidden; transform: translateX(10px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
}
/* 悬停桥：透明跨过与上级面板之间的空隙，鼠标移向子级时不收起 */
.tw-fly::before { content: ""; position: absolute; top: 0; bottom: 0; left: -16px; width: 16px; }
.tw-drop li:hover > .tw-fly,
.tw-drop li.open > .tw-fly { opacity: 1; visibility: visible; transform: translateX(0); }

/* ==========================================================================
   产品巨幕菜单（大华式）：悬停顶部导航 → 通栏面板
   左侧一级分类竖列（悬停高亮并切换右侧面板），右侧二级分组 + 三级链接
   ========================================================================== */
.tw-nav-item.tw-has-mega { position: static; }
.tw-has-mega:hover > a .tw-caret { transform: rotate(180deg); }
.tw-mega {
  position: absolute; left: 0; right: 0; top: 100%; z-index: 100;
  background: #FFF; border-top: 3px solid var(--tw-blue);
  box-shadow: 0 24px 50px rgba(2, 55, 95, .22);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
}
/* 悬停桥：面板与顶栏之间的透明衔接带（斜向移入不收起） */
.tw-mega::before { content: ""; position: absolute; top: -14px; left: 0; right: 0; height: 14px; }
.tw-has-mega:hover > .tw-mega { opacity: 1; visibility: visible; transform: translateY(0); }
.tw-mega-in { max-width: 1440px; margin: 0 auto; padding: 0 20px; }
/* 面板顶行：区块名 + View All */
.tw-mega-top { display: flex; justify-content: space-between; align-items: center; padding: 14px 0 12px; border-bottom: 1px solid #EEF2F7; }
.tw-mega-cap { font-size: 15px; font-weight: 700; color: var(--tw-navy); text-transform: uppercase; letter-spacing: .05em; }
.tw-mega-all { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 500; color: var(--tw-blue); transition: color .18s; }
.tw-mega-all .tw-arrow { transition: transform .18s; }
.tw-mega-all:hover { color: var(--tw-dark); }
.tw-mega-all:hover .tw-arrow { transform: translateX(2px); }
/* 主体：定高 560（内容区 520），左竖列（定宽）+ 右面板（绝对定位铺满剩余宽度） */
.tw-mega-body { position: relative; display: flex; height: 560px; }
.tw-mega-side { list-style: none; margin: 0; padding: 12px 0; width: 262px; flex-shrink: 0; overflow-y: auto; }
.tw-mega-cat > a {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  margin: 2px 12px 2px 0; padding: 10px 14px; border-radius: 6px 0 0 6px;
  font-size: 15px; font-weight: 500; color: var(--tw-navy); white-space: nowrap;
  transition: background .18s, color .18s;
}
.tw-mega-cat .tw-arrow { color: #B6C2CE; flex-shrink: 0; transition: color .18s; }
.tw-mega-side .tw-mega-cat:hover > a { background: var(--tw-blue); color: #FFF; }
.tw-mega-side .tw-mega-cat:hover > a .tw-arrow { color: #FFF; }
/* 右侧面板：定高纵向滚动容器；默认显示第一个，悬停侧栏切换（纯 CSS 无 JS） */
.tw-mega-pane {
  display: none; position: absolute; left: 262px; right: 0; top: 0; bottom: 0;
  overflow-y: auto; scrollbar-width: thin; scrollbar-color: #C9D4DE transparent;
}
.tw-mega-pane::-webkit-scrollbar { width: 6px; }
.tw-mega-pane::-webkit-scrollbar-thumb { background: #C9D4DE; border-radius: 3px; }
.tw-mega-pane::-webkit-scrollbar-thumb:hover { background: #AEBDCB; }
.tw-mega-pane::-webkit-scrollbar-track { background: transparent; }
.tw-mega-cat:first-child > .tw-mega-pane { display: block; }
.tw-mega-side:hover .tw-mega-cat .tw-mega-pane { display: none; }
.tw-mega-side .tw-mega-cat:hover > .tw-mega-pane { display: block; }
/* 列容器：平衡多列（高度随内容自适应，超出面板高度则出纵向滚动条） */
.tw-mega-cols { padding: 20px 26px; columns: 4 200px; column-gap: 34px; }
/* 二级分组标题 + 三级链接（分组整体不跨列拆分） */
.tw-mega-group { break-inside: avoid; margin: 0 0 18px; min-width: 0; }
.tw-mega-gtitle { display: flex; justify-content: space-between; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--tw-navy); padding: 0 0 6px; transition: color .18s; }
.tw-mega-gtitle .tw-arrow { color: #B6C2CE; flex-shrink: 0; transition: color .18s, transform .18s; }
.tw-mega-gtitle:hover { color: var(--tw-blue); }
.tw-mega-gtitle:hover .tw-arrow { color: var(--tw-blue); transform: translateX(2px); }
.tw-mega-links { list-style: none; margin: 0; padding: 0; }
.tw-mega-links a { display: block; padding: 5px 0; font-size: 14px; color: #5A6B7E; transition: color .18s; }
.tw-mega-links a:hover { color: var(--tw-blue); }

/* 移动端：菜单只展示一级导航——子菜单（下拉/巨幕/二级面板）整体隐藏（原为静态嵌套列表，
   层级太深太长；一级项点击直达对应模块页，分类/资源入口由列表页侧栏与 footer 承接） */
@media (max-width: 1024px) {
  .tw-nav-item > .tw-drop, .tw-nav-item .tw-fly, .tw-nav-item .tw-mega, .tw-nav-item .tw-smega { display: none !important; }
  .tw-nav-item > a .tw-caret { display: none; }
}
/* ==========================================================================
   Solutions 落地页（大华 cases 式排版）：Banner + 热门方案（首末大卡）+ 行业卡
   ========================================================================== */
.tw-sol-banner { position: relative; background: #0B1F3F url('/static/home/img/2024/08/Our-Showroom.webp') center center / cover no-repeat; color: #FFF; padding: 86px 0 78px; text-align: center; }
.tw-sol-banner::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,22,44,.82) 0%, rgba(8,22,44,.58) 55%, rgba(8,22,44,.82) 100%); }
.tw-sol-banner .tw-wrap { position: relative; z-index: 1; }
.tw-sol-banner h1 { font-size: 42px; font-weight: 700; color: #FFF; margin: 0; }
.tw-sol-banner p { font-size: 17px; color: rgba(255,255,255,.82); max-width: 680px; margin: 14px auto 0; }

/* 页面 Banner（后台分页面分语言可配，未设置不渲染；无图时纯深色底） */
.tw-page-banner { position: relative; background: #0B1F3F center center / cover no-repeat; color: #FFF; padding: 86px 0 78px; text-align: center; }
.tw-page-banner::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,22,44,.82) 0%, rgba(8,22,44,.58) 55%, rgba(8,22,44,.82) 100%); }
.tw-page-banner .tw-wrap { position: relative; z-index: 1; }
.tw-page-banner h1 { font-size: 42px; font-weight: 700; color: #FFF; margin: 0; }
.tw-page-banner p { font-size: 17px; color: rgba(255,255,255,.82); max-width: 680px; margin: 14px auto 0; }

.tw-sol-wrap { max-width: 1440px; margin: 0 auto; padding: 0 20px 90px; }
/* 区块标题：居中 + 蓝色短杠下划线 */
.tw-sol-sec { position: relative; font-size: 28px; line-height: 36px; font-weight: 600; color: var(--tw-navy); text-align: center; padding: 56px 0 22px; margin: 0 0 44px; }
.tw-sol-sec::after { content: ""; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 40px; height: 5px; border-radius: 4px; background: var(--tw-blue); }

/* 热门方案：4 列栅格，首/末卡双列大卡（无封面时品牌渐变兜底） */
.tw-sol-hot { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.tw-sol-hcard { position: relative; display: block; height: 210px; border-radius: 6px; overflow: hidden; background: linear-gradient(135deg, #123061 0%, #0A4C8C 55%, var(--tw-blue) 100%); }
.tw-sol-hcard img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.tw-sol-hcard:hover img { transform: scale(1.08); }
.tw-sol-hscrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(2,23,44,.08) 30%, rgba(2,23,44,.78) 100%); transition: background .3s; }
.tw-sol-hcard:hover .tw-sol-hscrim { background: linear-gradient(180deg, rgba(2,23,44,.26) 15%, rgba(2,23,44,.88) 100%); }
.tw-sol-htxt { position: absolute; left: 22px; right: 22px; bottom: 18px; color: #FFF; }
.tw-sol-htxt h3 { font-size: 18px; line-height: 1.35; font-weight: 600; margin: 0; }
.tw-sol-htxt p { margin: 8px 0 0; font-size: 13px; line-height: 1.55; color: rgba(255,255,255,.85); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tw-sol-hmore { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; padding: 5px 16px; border: 1px solid rgba(255,255,255,.9); border-radius: 4px; font-size: 13px; opacity: 0; transform: translateY(4px); transition: all .3s; }
.tw-sol-hcard:hover .tw-sol-hmore { opacity: 1; transform: none; background: var(--tw-blue); border-color: var(--tw-blue); }
/* 首/末大卡：双列 + 摘要半宽 + 按钮常显 */
.tw-sol-hcard:first-child, .tw-sol-hcard:last-child { grid-column: span 2; }
.tw-sol-hcard:first-child .tw-sol-htxt h3, .tw-sol-hcard:last-child .tw-sol-htxt h3 { font-size: 24px; }
.tw-sol-hcard:first-child .tw-sol-htxt p, .tw-sol-hcard:last-child .tw-sol-htxt p { max-width: 58%; font-size: 14px; }
.tw-sol-hcard:first-child .tw-sol-hmore, .tw-sol-hcard:last-child .tw-sol-hmore { opacity: 1; transform: none; }

/* 行业卡：头图（无图渐变兜底）+ More 按钮 + 白色阴影链接盒（3 列短杠链接） */
.tw-sol-biz { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.tw-sol-bcard { display: flex; flex-direction: column; }
.tw-sol-btop { position: relative; display: block; height: 112px; padding: 0 90px 0 22px; background: linear-gradient(135deg, #123061 0%, var(--tw-blue) 100%); background-size: cover; background-position: center; border-radius: 6px 6px 0 0; overflow: hidden; }
.tw-sol-bmask { position: absolute; inset: 0; background: rgba(2,23,44,.5); transition: background .3s; }
.tw-sol-bcard:hover .tw-sol-bmask { background: rgba(0,104,183,.88); }
.tw-sol-btop h3 { position: relative; z-index: 1; margin: 0; padding-top: 24px; color: #FFF; font-size: 18px; font-weight: 600; line-height: 1.4; }
.tw-sol-bmore { position: absolute; right: 16px; bottom: 12px; z-index: 1; display: inline-flex; align-items: center; gap: 5px; color: #FFF; font-size: 13px; transition: right .25s; }
.tw-sol-bcard:hover .tw-sol-bmore { right: 10px; }
.tw-sol-blinks { flex: 1; background: #FFF; box-shadow: 0 0 34px 5px rgba(28,36,75,.07); border-radius: 0 0 6px 6px; padding: 24px 20px 8px; min-height: 100px; }
.tw-sol-blinks ul { display: flex; flex-wrap: wrap; margin: 0; padding: 0; list-style: none; }
.tw-sol-blinks li { width: 33.3333%; margin-bottom: 16px; padding: 0 4px; }
.tw-sol-blinks li a { font-size: 14px; line-height: 22px; color: #3D4A5C; transition: color .2s; }
.tw-sol-blinks li a::before { content: ""; display: inline-block; width: 6px; border-top: solid 2px #9DB2C6; margin-right: 7px; vertical-align: middle; transition: border-color .2s, transform .2s; }
.tw-sol-blinks li a:hover { color: var(--tw-blue); }
.tw-sol-blinks li a:hover::before { border-color: var(--tw-blue); transform: scaleX(1.34); }

@media (max-width: 1024px) {
  .tw-sol-hot { grid-template-columns: repeat(2, 1fr); }
  .tw-sol-biz { grid-template-columns: repeat(2, 1fr); }
  .tw-sol-blinks li { width: 50%; }
}
@media (max-width: 767px) {
  .tw-sol-banner, .tw-page-banner { padding: 54px 0 48px; }
  .tw-sol-banner h1, .tw-page-banner h1 { font-size: 30px; }
  .tw-sol-banner p, .tw-page-banner p { font-size: 15px; }
  .tw-sol-sec { font-size: 22px; padding: 40px 0 16px; margin-bottom: 32px; }
  .tw-sol-hot { grid-template-columns: 1fr; gap: 16px; }
  .tw-sol-hcard, .tw-sol-hcard:first-child, .tw-sol-hcard:last-child { grid-column: auto; height: 170px; }
  .tw-sol-hcard:first-child .tw-sol-htxt h3, .tw-sol-hcard:last-child .tw-sol-htxt h3 { font-size: 20px; }
  .tw-sol-hcard:first-child .tw-sol-htxt p, .tw-sol-hcard:last-child .tw-sol-htxt p { max-width: none; }
  .tw-sol-hmore { opacity: 1; transform: none; }
  .tw-sol-biz { grid-template-columns: 1fr; }
  .tw-sol-blinks li { width: 50%; }
}
@media (max-width: 480px) {
  .tw-sol-blinks li { width: 100%; }
}
/* ==========================================================================
   Solutions 行业列表页（大华 cases/lists 式）：分组标题 + 行业简介 + 子分类 Tab + 横排方案卡
   ========================================================================== */
.tw-solc-wrap { max-width: 1440px; margin: 0 auto; padding: 0 20px 80px; }
.tw-solc-intro { text-align: center; margin: 0 0 42px; }
.tw-solc-title { font-size: 24px; line-height: 30px; font-weight: 700; color: var(--tw-navy); margin: 0 0 12px; }
.tw-solc-desc { font-size: 15px; line-height: 1.8; color: var(--tw-gray); max-width: 920px; margin: 0 auto; }
/* 子分类 Tab："/" 分隔 + 激活蓝字 + 短杠下划线 */
.tw-solc-tabs { display: flex; flex-wrap: wrap; justify-content: center; margin: 0 0 26px; }
.tw-solc-tab { position: relative; font-size: 17px; line-height: 26px; padding: 10px 26px; cursor: pointer; color: #3D4A5C; transition: color .2s; }
.tw-solc-tab:not(:first-child)::before { content: "/"; position: absolute; left: -3px; top: 10px; color: #C9D4E0; }
.tw-solc-tab:hover { color: var(--tw-blue); }
.tw-solc-tab.on { color: var(--tw-blue); font-weight: 600; }
.tw-solc-tab.on::after { content: ""; position: absolute; left: 50%; transform: translateX(-50%); bottom: 2px; width: 34px; height: 4px; border-radius: 2px; background: var(--tw-blue); }
.tw-solc-pane { display: none; }
.tw-solc-pane.show { display: block; }
/* 灰底内容区：横排卡（左图 29% + 右文） */
.tw-solc-body { background: #F5F8FB; border-radius: 6px; padding: 28px 26px; }
.tw-solc-row { display: flex; align-items: flex-start; margin-bottom: 22px; }
.tw-solc-row:last-child { margin-bottom: 0; }
.tw-solc-img { flex: 0 0 29%; max-width: 372px; height: 220px; border-radius: 4px; overflow: hidden; background: linear-gradient(135deg, #123061 0%, var(--tw-blue) 100%); }
.tw-solc-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s ease; }
.tw-solc-row:hover .tw-solc-img img { transform: scale(1.08); }
.tw-solc-txt { flex: 1; min-width: 0; margin-left: 32px; }
.tw-solc-h { display: block; font-size: 18px; font-weight: 600; color: var(--tw-navy); margin: 2px 0 12px; transition: color .25s; }
.tw-solc-row:hover .tw-solc-h { color: var(--tw-blue); }
.tw-solc-p { display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; font-size: 15px; line-height: 1.9; color: #4A5A6E; }
.tw-solc-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; padding: 5px 16px; border-radius: 4px; background: var(--tw-blue); color: #FFF; font-size: 13px; transition: background .25s; }
.tw-solc-row:hover .tw-solc-more { background: var(--tw-dark); }
/* 返回全部方案 */
.tw-solc-back { text-align: center; margin-top: 36px; }
.tw-solc-back a { display: inline-flex; align-items: center; gap: 10px; color: #3D4A5C; font-size: 15px; }
.tw-solc-back a:hover { color: var(--tw-blue); }
.tw-solc-circ { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: #FFF; box-shadow: 0 0 15px rgba(28,36,75,.15); transition: box-shadow .3s; }
.tw-solc-back a:hover .tw-solc-circ { box-shadow: 0 0 15px rgba(28,36,75,.3); }
@media (max-width: 1024px) {
  .tw-solc-img { flex-basis: 32%; height: 175px; }
  .tw-solc-p { -webkit-line-clamp: 3; }
}
@media (max-width: 767px) {
  .tw-solc-wrap { padding: 0 20px 48px; }
  .tw-solc-title { font-size: 19px; }
  .tw-solc-desc { font-size: 14px; }
  .tw-solc-body { padding: 18px 16px; }
  .tw-solc-row { flex-direction: column; margin-bottom: 26px; }
  .tw-solc-img { flex-basis: auto; width: 100%; max-width: none; height: 180px; }
  .tw-solc-txt { margin: 14px 0 0; }
  .tw-solc-h { font-size: 16px; }
  .tw-solc-p { font-size: 14px; -webkit-line-clamp: 3; }
  .tw-solc-tab { font-size: 15px; padding: 8px 16px; }
}
/* ==========================================================================
   About Us / Contact Us（欧美 B2B 版式）：eyebrow 眉题 + 分屏 Hero + 数据带 + 能力卡 + 联系卡 + 表单 + FAQ
   ========================================================================== */
.tw-eyebrow { margin: 0 0 10px; font-size: 12px; font-weight: 700; letter-spacing: 2.4px; text-transform: uppercase; color: var(--tw-blue); }
.tw-btn-ghost { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 46px; padding: 0 26px; border: 1px solid #C9D4E0; border-radius: 6px; font-size: 15px; font-weight: 500; color: var(--tw-navy); background: #FFF; transition: border-color .2s, color .2s; }
.tw-btn-ghost:hover { border-color: var(--tw-blue); color: var(--tw-blue); }
.tw-btn-white { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 48px; padding: 0 34px; border: 0; border-radius: 6px; font-size: 15px; font-weight: 600; color: var(--tw-blue); background: #FFF; transition: transform .2s, box-shadow .2s; }
.tw-btn-white:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(2,23,44,.28); }

/* ---- About：分屏 Hero ---- */
.tw-abt-hero { background: #F7F9FC; padding: 64px 0 84px; }
.tw-abt-hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.tw-abt-crumbs { margin: 0 0 26px; }
.tw-abt-hero-txt h1 { font-size: clamp(32px, 4vw, 46px); line-height: 1.14; font-weight: 700; color: var(--tw-navy); margin: 0 0 18px; }
.tw-abt-hero-sub { font-size: 17px; line-height: 1.7; color: #4A5A6E; max-width: 520px; margin: 0 0 30px; }
.tw-abt-hero-btns { display: flex; flex-wrap: wrap; gap: 14px; }
.tw-abt-hero-media { position: relative; }
.tw-abt-hero-media img { width: 100%; height: 420px; object-fit: cover; border-radius: 12px; display: block; box-shadow: 0 24px 48px rgba(28,36,75,.16); }
.tw-abt-hero-chip { position: absolute; left: -22px; bottom: 26px; display: flex; flex-direction: column; gap: 2px; padding: 16px 24px; background: #FFF; border-radius: 10px; box-shadow: 0 12px 30px rgba(28,36,75,.16); }
.tw-abt-hero-chip b { font-size: 34px; line-height: 1; font-weight: 700; color: var(--tw-blue); }
.tw-abt-hero-chip b i { font-style: normal; font-size: 22px; }
.tw-abt-hero-chip span { font-size: 12px; letter-spacing: .4px; color: #6B7A8D; }
/* ---- About：故事两栏 ---- */
.tw-abt-story { padding: 90px 0; }
.tw-abt-2col { display: grid; grid-template-columns: 0.9fr 1.4fr; gap: 64px; align-items: start; }
.tw-abt-side h2 { font-size: 32px; line-height: 1.25; font-weight: 700; color: var(--tw-navy); margin: 0; }
.tw-abt-article { font-size: 16px; line-height: 1.85; color: #3D4A5C; }
/* ---- About：深色数据带 ---- */
.tw-abt-stats { background: var(--tw-navy); padding: 58px 0; }
.tw-abt-stat-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 28px 20px; }
.tw-abt-stat .num { font-size: 38px; line-height: 1.1; font-weight: 700; color: #FFF; white-space: nowrap; }
.tw-abt-stat .num i { font-style: normal; font-size: 22px; color: #7FB2E8; margin-left: 2px; }
.tw-abt-stat .label { margin-top: 8px; font-size: 13px; line-height: 1.4; color: rgba(255,255,255,.62); }
/* ---- About：能力卡 ---- */
.tw-abt-why { padding: 92px 0; background: #FFF; }
.tw-abt-sec-head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.tw-abt-sec-head h2 { font-size: 32px; line-height: 1.25; font-weight: 700; color: var(--tw-navy); margin: 0 0 12px; }
.tw-abt-sec-head p { font-size: 16px; line-height: 1.7; color: #6B7A8D; margin: 0; }
.tw-abt-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.tw-abt-card { padding: 34px 28px; background: #F8FAFD; border: 1px solid #E8EEF5; border-radius: 12px; transition: box-shadow .25s, transform .25s; }
.tw-abt-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(28,36,75,.1); }
.tw-abt-ico { display: inline-flex; align-items: center; justify-content: center; width: 54px; height: 54px; border-radius: 14px; background: #E8F2FB; color: var(--tw-blue); margin-bottom: 18px; }
.tw-abt-ico svg { width: 28px; height: 28px; }
.tw-abt-card h3 { font-size: 18px; font-weight: 600; color: var(--tw-navy); margin: 0 0 10px; }
.tw-abt-card p { font-size: 14.5px; line-height: 1.75; color: #5A6B7E; margin: 0; }
/* ---- About：厂区图集 ---- */
.tw-abt-fac { padding: 0 0 92px; background: #FFF; }
.tw-abt-fac-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.tw-abt-fig { margin: 0; }
.tw-abt-fig img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 12px; display: block; transition: transform .5s ease; }
.tw-abt-fig:hover img { transform: scale(1.03); }
.tw-abt-fig figcaption { margin-top: 12px; font-size: 13.5px; color: #6B7A8D; }
/* ---- About：CTA ---- */
.tw-abt-cta { background: linear-gradient(120deg, #0E2A66 0%, var(--tw-blue) 100%); padding: 74px 0; text-align: center; }
.tw-abt-cta h2 { font-size: 34px; font-weight: 700; color: #FFF; margin: 0 0 12px; }
.tw-abt-cta p { font-size: 16px; color: rgba(255,255,255,.8); margin: 0 0 28px; }

/* ---- Contact：Hero + 联系卡 ---- */
.tw-ctc-hero { background: #F7F9FC; padding: 64px 0 68px; text-align: center; }
.tw-ctc-hero h1 { font-size: clamp(32px, 4vw, 46px); line-height: 1.14; font-weight: 700; color: var(--tw-navy); margin: 0 0 16px; }
.tw-ctc-hero-sub { font-size: 17px; line-height: 1.7; color: #4A5A6E; max-width: 560px; margin: 0 auto; }
.tw-ctc-cards { background: #F7F9FC; padding: 0 0 76px; }
.tw-ctc-card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.tw-ctc-card { display: flex; flex-direction: column; align-items: flex-start; padding: 26px 24px; background: #FFF; border: 1px solid #E8EEF5; border-radius: 12px; text-decoration: none; transition: transform .22s, box-shadow .22s; }
a.tw-ctc-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(28,36,75,.12); }
.tw-ctc-ico { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: 12px; background: #E8F2FB; color: var(--tw-blue); margin-bottom: 14px; }
.tw-ctc-ico svg { width: 24px; height: 24px; }
.tw-ctc-ico.wa { background: #E9F8EF; color: #1FAF54; }
.tw-ctc-card h3 { font-size: 15px; font-weight: 700; color: #9AA7B6; letter-spacing: .6px; text-transform: uppercase; margin: 0 0 6px; }
.tw-ctc-card > p { font-size: 14.5px; line-height: 1.6; color: var(--tw-navy); font-weight: 500; margin: 0 0 14px; word-break: break-word; }
.tw-ctc-go { display: inline-flex; align-items: center; gap: 5px; margin-top: auto; font-size: 13.5px; font-weight: 600; color: var(--tw-blue); }
.tw-ctc-go svg { transition: transform .2s; }
a.tw-ctc-card:hover .tw-ctc-go svg { transform: translateX(2px); }
/* ---- Contact：表单 + 侧栏 ---- */
.tw-ctc-main { padding: 84px 0; background: #FFF; }
.tw-ctc-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; align-items: start; }
.tw-ctc-form { padding: 38px 36px; background: #F8FAFD; border: 1px solid #E8EEF5; border-radius: 14px; }
.tw-ctc-form h2 { font-size: 26px; font-weight: 700; color: var(--tw-navy); margin: 0 0 8px; }
.tw-ctc-form-sub { font-size: 13.5px; line-height: 1.6; color: #8A97A6; margin: 0 0 26px; }
.tw-ctc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.tw-ctc-field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px; }
.tw-ctc-field span { font-size: 13.5px; font-weight: 600; color: var(--tw-navy); }
.tw-ctc-field span em { font-style: normal; font-weight: 400; color: #9AA7B6; }
.tw-ctc-field input, .tw-ctc-field textarea { width: 100%; padding: 12px 14px; border: 1px solid #D7DEE8; border-radius: 8px; font-size: 15px; color: var(--tw-navy); background: #FFF; outline: none; transition: border-color .2s, box-shadow .2s; font-family: inherit; }
.tw-ctc-field textarea { resize: vertical; min-height: 120px; }
.tw-ctc-field input:focus, .tw-ctc-field textarea:focus { border-color: var(--tw-blue); box-shadow: 0 0 0 3px rgba(0,104,183,.12); }
.tw-ctc-form-foot { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 4px; }
.tw-ctc-form-foot .tw-btn-blue { border: 0; cursor: pointer; height: 48px; padding: 0 34px; }
.tw-ctc-aside { display: flex; flex-direction: column; gap: 24px; }
.tw-ctc-page { font-size: 15px; line-height: 1.8; color: #3D4A5C; }
.tw-ctc-next { padding: 28px 26px; background: #FFF; border: 1px solid #E8EEF5; border-radius: 14px; box-shadow: 0 8px 28px rgba(28,36,75,.06); }
.tw-ctc-next h3 { font-size: 17px; font-weight: 700; color: var(--tw-navy); margin: 0 0 18px; }
.tw-ctc-next ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 16px; counter-reset: step; }
.tw-ctc-next li { position: relative; padding-left: 44px; counter-increment: step; }
.tw-ctc-next li::before { content: counter(step); position: absolute; left: 0; top: 0; display: flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%; background: #E8F2FB; color: var(--tw-blue); font-size: 14px; font-weight: 700; }
.tw-ctc-next li b { display: block; font-size: 14.5px; color: var(--tw-navy); margin-bottom: 3px; }
.tw-ctc-next li span { font-size: 13.5px; line-height: 1.6; color: #6B7A8D; }
.tw-ctc-hours { padding: 24px 26px; background: #F8FAFD; border-radius: 14px; }
.tw-ctc-hours h3 { font-size: 16px; font-weight: 700; color: var(--tw-navy); margin: 0 0 10px; }
.tw-ctc-hours p { font-size: 14px; line-height: 1.7; color: #6B7A8D; margin: 0; }
/* ---- Contact：FAQ ---- */
.tw-ctc-faq { padding: 0 0 96px; background: #FFF; }
.tw-ctc-faq-list { max-width: 820px; margin: 0 auto; }
.tw-ctc-faq-item { border: 1px solid #E8EEF5; border-radius: 12px; margin-bottom: 14px; overflow: hidden; }
.tw-ctc-faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; font-size: 16.5px; font-weight: 600; color: var(--tw-navy); cursor: pointer; list-style: none; }
.tw-ctc-faq-item summary::-webkit-details-marker { display: none; }
.tw-ctc-faq-item summary svg { flex: 0 0 auto; color: var(--tw-blue); transition: transform .25s; }
.tw-ctc-faq-item[open] summary svg { transform: rotate(45deg); }
.tw-ctc-faq-item .bd { padding: 0 24px 22px; font-size: 15px; line-height: 1.75; color: #5A6B7E; }
/* ---- Contact：隐私同意勾选 ---- */
.tw-ctc-privacy { display: flex; align-items: flex-start; gap: 10px; margin: 2px 0 18px; font-size: 13px; line-height: 1.6; color: #6B7A8D; }
.tw-ctc-privacy input[type="checkbox"] { flex: 0 0 auto; width: 16px; height: 16px; margin-top: 2px; accent-color: var(--tw-blue); cursor: pointer; }
.tw-ctc-privacy a { color: var(--tw-blue); text-decoration: underline; text-underline-offset: 2px; }
.tw-ctc-privacy a:hover { color: var(--tw-dark); }
/* 首页 CTA 表单（白卡）内的隐私勾选：与联系页同配色 */
.tw-cta-form .tw-ctc-privacy { margin: 2px 0 14px; }
/* ---- Contact：Country 可搜索下拉 ---- */
.tw-ctc-combo { position: relative; }
.tw-ctc-combo input { padding-right: 36px; }
.tw-ctc-combo-caret { position: absolute; right: 13px; top: 50%; transform: translateY(-50%); color: #9AA7B6; pointer-events: none; transition: transform .2s; }
.tw-ctc-combo.open .tw-ctc-combo-caret { transform: translateY(-50%) rotate(180deg); }
.tw-ctc-combo-list { display: none; position: absolute; z-index: 30; top: calc(100% + 5px); left: 0; right: 0; max-height: 224px; overflow-y: auto; background: #FFF; border: 1px solid #D7DEE8; border-radius: 8px; box-shadow: 0 14px 30px rgba(28,36,75,.16); }
.tw-ctc-combo.open .tw-ctc-combo-list { display: block; }
.tw-ctc-combo-item { padding: 9px 14px; font-size: 14px; color: #3D4A5C; cursor: pointer; }
.tw-ctc-combo-item:hover { background: #F0F6FC; color: var(--tw-blue); }
.tw-ctc-combo-more { padding: 9px 14px; font-size: 12.5px; color: #9AA7B6; }
/* ---- Privacy Policy 文案页 ---- */
.tw-pv-head { background: #F7F9FC; padding: 56px 0 52px; }
.tw-pv-head h1 { font-size: clamp(30px, 3.6vw, 40px); line-height: 1.15; font-weight: 700; color: var(--tw-navy); margin: 0 0 12px; }
.tw-pv-sub { font-size: 16px; color: #6B7A8D; margin: 0; }
.tw-pv-body { padding: 64px 0 88px; }
.tw-pv-col { max-width: 860px; }
.tw-pv-col h2 { font-size: 20px; font-weight: 700; color: var(--tw-navy); margin: 30px 0 10px; }
.tw-pv-col h2:first-child { margin-top: 0; }
/* 隐私政策长文排版（h3/h4/列表/链接） */
.tw-pv-col h3 { font-size: 17px; font-weight: 700; color: var(--tw-navy); margin: 24px 0 8px; }
.tw-pv-col h4 { font-size: 15.5px; font-weight: 600; color: var(--tw-navy); margin: 18px 0 8px; }
.tw-pv-col ul { margin: 8px 0 14px; padding-left: 22px; }
.tw-pv-col ul li { margin-bottom: 8px; }
.tw-pv-col ul li > p { margin: 2px 0; }
.tw-pv-col a { color: var(--tw-blue); text-decoration: underline; text-underline-offset: 2px; }
.tw-pv-col a:hover { color: var(--tw-dark); }

/* 单页模式（联系页等）：整页 = 后台 UEditor HTML 原样输出，区块自带版式；此处只管回执通知 */
.tw-single-body { min-height: 40vh; }
.tw-single-notice { max-width: 1080px; margin: 26px auto 0; padding: 14px 18px; border-radius: 10px; font-size: 14.5px; }
.tw-single-notice.ok { background: #F0FDF4; border: 1px solid #BBF7D0; color: #15803D; }
.tw-single-notice.err { background: #FEF2F2; border: 1px solid #FECACA; color: #B91C1C; }
@media (max-width: 1024px) {
  .tw-abt-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .tw-abt-hero-media img { height: 320px; }
  .tw-abt-2col { grid-template-columns: 1fr; gap: 28px; }
  .tw-abt-stat-grid { grid-template-columns: repeat(3, 1fr); }
  .tw-abt-card-grid, .tw-abt-fac-grid { grid-template-columns: repeat(2, 1fr); }
  .tw-ctc-card-grid { grid-template-columns: repeat(2, 1fr); }
  .tw-ctc-grid { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
  .tw-abt-hero, .tw-ctc-hero { padding: 44px 0 52px; }
  .tw-abt-hero-chip { left: 12px; bottom: 12px; padding: 12px 18px; }
  .tw-abt-hero-media img { height: 230px; }
  .tw-abt-hero-sub, .tw-ctc-hero-sub { font-size: 15px; }
  .tw-abt-story, .tw-abt-why { padding: 56px 0; }
  .tw-abt-2col { gap: 20px; }
  .tw-abt-side h2, .tw-abt-sec-head h2, .tw-abt-cta h2 { font-size: 24px; }
  .tw-abt-stats { padding: 40px 0; }
  .tw-abt-stat-grid { grid-template-columns: repeat(2, 1fr); gap: 24px 16px; }
  .tw-abt-stat .num { font-size: 28px; }
  .tw-abt-card-grid, .tw-abt-fac-grid, .tw-ctc-card-grid { grid-template-columns: 1fr; }
  .tw-abt-fac { padding-bottom: 56px; }
  .tw-abt-cta { padding: 52px 0; }
  .tw-ctc-cards { padding-bottom: 52px; }
  .tw-ctc-main { padding: 52px 0; }
  .tw-ctc-form { padding: 24px 18px; }
  .tw-ctc-row { grid-template-columns: 1fr; gap: 0; }
  .tw-ctc-faq { padding-bottom: 60px; }
  .tw-ctc-faq-item summary { font-size: 15px; padding: 16px 18px; }
  .tw-ctc-faq-item .bd { padding: 0 18px 18px; font-size: 14px; }
  .tw-pv-head { padding: 40px 0 38px; }
  .tw-pv-body { padding: 40px 0 56px; }
  .tw-pv-col h2 { font-size: 18px; }
}
/* ==========================================================================
   内页通用（产品/新闻/单页）：面包屑 / 侧栏 / 卡片 / 分页 / 详情 / 表单
   ========================================================================== */
.tw-page-head { background: linear-gradient(180deg,#F4F8FC 0%,#FFF 100%); border-bottom:1px solid #EEF2F7; padding:34px 0 26px; }
.tw-crumbs { font-size:13px; color:#8494A7; margin-bottom:8px; list-style:none; padding:0; }
.tw-crumbs li { display:inline; }
.tw-crumbs a { color:#8494A7; }
.tw-crumbs a:hover { color:var(--tw-blue); }
.tw-page-title { font-size:30px; font-weight:700; color:var(--tw-navy); }
.tw-page-title em { font-style:normal; color:var(--tw-blue); }

.tw-list-layout { display:flex; gap:28px; align-items:flex-start; padding:34px 0 60px; }
.tw-side { flex:0 0 250px; position:sticky; top:90px; }
.tw-side-box { background:#FFF; border:1px solid #ECF0F5; border-radius:10px; padding:16px; }
.tw-side-title { font-size:15px; font-weight:600; color:var(--tw-navy); padding:4px 8px 10px; border-bottom:1px solid #F0F3F7; margin-bottom:8px; }
.tw-side-tree, .tw-side-tree ul { list-style:none; margin:0; padding:0; }
.tw-side-tree ul { padding-left:14px; }
.tw-side-tree li a { display:block; padding:8px 10px; font-size:14px; color:#3D4A5C; border-radius:6px; }
.tw-side-tree li a:hover { color:var(--tw-blue); background:#F2F8FD; }
.tw-side-tree ul li a { font-size:13px; color:#64748B; padding:6px 10px; }
.tw-search { display:flex; gap:10px; margin-bottom:20px; }
.tw-search input { flex:1; height:40px; border:1px solid #E2E8F0; border-radius:8px; padding:0 14px; font-size:14px; outline:none; }
.tw-search input:focus { border-color:var(--tw-blue); }
/* 列表页搜索按钮：与输入框同高对齐（覆盖 .tw-btn-blue 的 CTA 尺寸） */
.tw-search .tw-btn-blue { height:40px; padding:0 24px; font-size:14px; font-weight:600; border:0; cursor:pointer; align-self:center; }

/* ---- 分页（全站列表共用）：First/Prev/页码/Next/Last + Go to 跳转 ---- */
.tw-pagination { display:flex; align-items:center; justify-content:center; flex-wrap:wrap; gap:14px; margin-top:34px; }
.tw-pagination ul { display:flex; gap:8px; list-style:none; margin:0; padding:0; flex-wrap:wrap; justify-content:center; }
.tw-pagination li a, .tw-pagination li span { display:block; min-width:38px; height:38px; line-height:38px; text-align:center; padding:0 10px; border-radius:8px; background:#FFF; border:1px solid #E2E8F0; color:#3D4A5C; font-size:14px; text-decoration:none; }
.tw-pagination li a:hover { border-color:var(--tw-blue); color:var(--tw-blue); }
.tw-pagination li.active span { background:var(--tw-blue); border-color:var(--tw-blue); color:#FFF; }
.tw-pagination li.disabled span { color:#B8C2CE; background:#F7FAFC; cursor:default; }
.tw-pagination li.dot span { border:0; background:transparent; min-width:20px; color:#8494A7; }
.tw-page-jump { display:flex; align-items:center; gap:8px; font-size:13.5px; color:#64748B; }
.tw-page-jump input { width:56px; height:36px; border:1px solid #E2E8F0; border-radius:8px; text-align:center; font-size:14px; outline:none; }
.tw-page-jump input:focus { border-color:var(--tw-blue); }
.tw-page-go { height:36px; padding:0 16px; border:0; border-radius:8px; background:var(--tw-blue); color:#FFF; font-size:13.5px; font-weight:600; cursor:pointer; transition:background .2s; }
.tw-page-go:hover { background:var(--tw-dark); }

/* ---- 侧栏热门产品卡 ---- */
.tw-side-hot { margin-top:14px; }
.tw-hot-card { display:flex; align-items:center; gap:10px; padding:8px; border-radius:8px; transition:background .2s; }
.tw-hot-card:hover { background:#F2F8FD; }
.tw-hot-card + .tw-hot-card { margin-top:2px; }
.tw-hot-img { flex:0 0 56px; width:56px; height:56px; border:1px solid #EEF2F7; border-radius:8px; background:#FFF; display:flex; align-items:center; justify-content:center; overflow:hidden; }
.tw-hot-img img { max-width:100%; max-height:100%; object-fit:contain; }
.tw-hot-ph { font-size:10px; color:#C3CDD6; }
.tw-hot-name { flex:1; min-width:0; font-size:13px; line-height:1.45; color:#3D4A5C; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.tw-hot-card:hover .tw-hot-name { color:var(--tw-blue); }
.tw-list-main { flex:1; min-width:0; }
.tw-grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.tw-pcard { background:#FFF; border:1px solid #ECF0F5; border-radius:10px; overflow:hidden; transition:box-shadow .2s, transform .2s, border-color .2s; }
.tw-pcard:hover { box-shadow:0 14px 34px rgba(2,55,95,.12); transform:translateY(-3px); border-color:transparent; }
.tw-pcard-img { display:block; aspect-ratio:1; background:#F7FAFC; }
.tw-pcard-img img { width:100%; height:100%; object-fit:contain; padding:12px; }
.tw-pcard-ph { width:100%; aspect-ratio:1; background:#F7FAFC; display:flex; align-items:center; justify-content:center; color:#C3CDD6; font-size:13px; }
.tw-pcard-body { padding:14px 16px 16px; }
.tw-pcard-title { font-size:15px; font-weight:600; color:var(--tw-navy); line-height:1.4; min-height:42px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.tw-pcard-sub { font-size:13px; color:#8494A7; margin-top:6px; line-height:1.5; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.tw-empty { padding:70px 0; text-align:center; color:#A3ADB8; font-size:15px; background:#FFF; border:1px dashed #E5EAF1; border-radius:10px; }
/* 分页样式见 .tw-search 附近的「分页（全站列表共用）」新块（First/Prev/Next/Last + 跳转） */

.tw-detail { display:flex; gap:36px; align-items:flex-start; padding:34px 0 50px; }
.tw-gallery { flex:0 0 460px; }
.tw-gallery-main { border:1px solid #ECF0F5; border-radius:10px; background:#FFF; overflow:hidden; position:relative; }
.tw-gallery-main img { width:100%; aspect-ratio:1; object-fit:contain; display:block; }
/* 主图悬停放大镜（淘宝式）：镜头框（容器内，被 overflow 裁边）+ 右侧 2 倍面板（body 级 fixed） */
.tw-zoom-lens { position:absolute; width:130px; height:130px; border:1.5px solid var(--tw-blue); background:rgba(0,104,183,.12); border-radius:4px; display:none; pointer-events:none; z-index:5; box-shadow:0 0 0 9999px rgba(255,255,255,0); }
.tw-zoom-panel { position:fixed; width:460px; height:460px; border:1px solid #E2E8F0; border-radius:10px; background-color:#FFF; background-repeat:no-repeat; box-shadow:0 12px 32px rgba(2,37,95,.14); display:none; pointer-events:none; z-index:90; }
/* 产品视频（画廊首位）：正方形画幅与大图一致；letterbox 留白染白融入画廊底色 */
.tw-gallery-video { width:100%; aspect-ratio:1; background:#FFF; }
.tw-gallery-video video, .tw-gallery-video iframe { width:100%; height:100%; display:block; border:0; object-fit:contain; background:#FFF; }
.tw-gallery-thumbs { display:flex; gap:10px; margin-top:10px; flex-wrap:wrap; }
.tw-gallery-thumbs img { width:64px; height:64px; object-fit:contain; border:1px solid #E2E8F0; border-radius:8px; background:#FFF; cursor:pointer; padding:3px; }
.tw-gallery-thumbs img.on { border-color:var(--tw-blue); }
/* 视频缩略图：封面=第一张产品图（背景裁内容区，与图片缩略图同款 3px 白边），无封面回退浅灰；播放角标居中 */
.tw-gallery-thumbs .tw-thumb-video { width:64px; height:64px; display:flex; align-items:center; justify-content:center; border:1px solid #E2E8F0; border-radius:8px; background-color:#F1F5F9; background-repeat:no-repeat; background-size:cover; background-position:center; background-origin:content-box; background-clip:content-box; cursor:pointer; padding:3px; }
.tw-gallery-thumbs .tw-thumb-video.on { border-color:var(--tw-blue); }
.tw-gallery-thumbs .tw-thumb-video:hover svg circle { fill:rgba(0,104,183,.72); }
.tw-detail-info { flex:1; min-width:0; }
.tw-detail-info h1 { font-size:24px; font-weight:700; color:var(--tw-navy); line-height:1.35; }
.tw-detail-summary { font-size:14px; color:#64748B; line-height:1.7; margin:12px 0 18px; }
.tw-params { width:100%; border-collapse:collapse; margin:8px 0 20px; }
.tw-params th, .tw-params td { border:1px solid #E8EDF3; padding:9px 14px; font-size:13px; text-align:left; }
.tw-params th { background:#F7FAFC; color:#3D4A5C; width:180px; }
.tw-params td { color:#64748B; }
.tw-detail-cta { margin-top:22px; display:flex; gap:12px; }
.tw-content { padding:0 0 60px; }
.tw-content-box { background:#FFF; border:1px solid #ECF0F5; border-radius:10px; padding:30px 34px; }
.tw-content-h2 { font-size:20px; font-weight:700; color:var(--tw-navy); margin:0 0 16px; padding-left:12px; border-left:4px solid var(--tw-blue); }
.tw-article { font-size:15px; color:#3D4A5C; line-height:1.85; }
.tw-article img { max-width:100%; height:auto; }
.tw-article h2 { font-size:20px; color:var(--tw-navy); margin:22px 0 10px; }
.tw-article h3 { font-size:17px; color:var(--tw-navy); margin:20px 0 8px; }
.tw-article p { margin:10px 0; }
.tw-article ul, .tw-article ol { padding-left:22px; margin:10px 0; }
.tw-article table { display:block; max-width:100%; overflow-x:auto; border-collapse:collapse; -webkit-overflow-scrolling:touch; }
.tw-article table th, .tw-article table td { border:1px solid #E8EDF3; padding:8px 12px; }
.tw-article blockquote { margin:14px 0; padding:10px 16px; border-left:4px solid var(--tw-blue); background:#F7FAFC; color:#64748B; }

.tw-contact-grid { display:flex; gap:40px; padding:34px 0 60px; align-items:flex-start; }
.tw-contact-info { flex:1; }
.tw-contact-item { display:flex; gap:12px; margin-bottom:18px; font-size:14px; color:#3D4A5C; line-height:1.6; }
.tw-contact-item b { color:var(--tw-navy); }
.tw-contact-form { flex:1.2; background:#FFF; border:1px solid #ECF0F5; border-radius:10px; padding:24px; }
.tw-form { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.tw-form .full { grid-column:1 / -1; }
.tw-form input, .tw-form textarea { width:100%; border:1px solid #E2E8F0; border-radius:8px; padding:12px 14px; font-size:14px; font-family:inherit; outline:none; background:#FFF; }
.tw-form input:focus, .tw-form textarea:focus { border-color:var(--tw-blue); }
.tw-form textarea { min-height:130px; resize:vertical; }
.tw-form-msg { grid-column:1 / -1; font-size:13px; min-height:18px; }
.tw-form-msg.ok { color:#16A34A; }
.tw-form-msg.err { color:#EF4444; }

@media (max-width:1024px) {
  .tw-list-layout { flex-direction:column; }
  .tw-side { flex:none; width:100%; position:static; }
  .tw-grid-3 { grid-template-columns:repeat(2,1fr); }
  .tw-detail { flex-direction:column; }
  .tw-gallery { flex:none; width:100%; }
  .tw-contact-grid { flex-direction:column; }
  .tw-form { grid-template-columns:1fr; }
}

/* ==================================================================
   v2.26：键盘焦点 / 侧栏分类折叠 / 详情 Tabs / 导航搜索
   ================================================================== */

/* ---- 键盘焦点：品牌蓝描边替代浏览器默认黑框（:focus-visible 仅键盘 Tab 触发，鼠标点击无框） ---- */
a:focus-visible, button:focus-visible { outline: 2px solid var(--tw-blue); outline-offset: 2px; border-radius: 4px; }
.tw-nav-item > a:focus-visible { outline-offset: -2px; }
.tw-nav-toggle:focus-visible { border-radius: 6px; }
.tw-side-fold:focus-visible { outline-offset: 0; }

/* ---- 产品列表侧栏：分类树每级独立折叠（chevron 同顶部导航；高度动画；无 JS 全展开） ---- */
.tw-side-collapsible .tw-side-group { position: relative; }
.tw-side-collapsible .tw-side-group > a { position: relative; padding-right: 34px; }
.tw-side-fold { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); width: 22px; height: 22px; display: flex; align-items: center; justify-content: center; cursor: pointer; color: #8494A7; border-radius: 6px; transition: color .2s, background .2s; user-select: none; }
.tw-side-fold svg { transition: transform .25s ease; } /* v2.66:默认 0° 收起态朝下 */
.tw-side-fold:hover { background: #F2F8FD; color: var(--tw-blue); }
.tw-side-group.open > a .tw-side-fold svg { transform: rotate(180deg); } /* v2.66:展开态朝上;0→180 过渡顺时针(往右旋转) */
.tw-side-collapsible .tw-side-group > ul { overflow: hidden; max-height: 0; transition: max-height .28s ease; }
.tw-side-collapsible .tw-side-group.open > ul { max-height: none; }
.tw-side-tree li a.cur { color: var(--tw-blue); background: #F2F8FD; font-weight: 600; }

/* ---- 产品详情：Details / Specifications 切换 Tabs ---- */
.tw-tab-nav { display: flex; border-bottom: 2px solid #E8EDF3; margin-bottom: 24px; }
.tw-tab { padding: 12px 28px; font-size: 15px; font-weight: 600; color: #64748B; cursor: pointer; position: relative; user-select: none; transition: color .2s; }
.tw-tab:hover { color: var(--tw-navy); }
.tw-tab.on { color: var(--tw-blue); }
.tw-tab.on::after { content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--tw-blue); }

/* ---- 导航搜索：放大镜纯图标（打开全屏搜索层，不占导航空间） ---- */
.tw-nav-search { display: flex; align-items: center; flex-shrink: 0; }
.tw-nav-search-btn { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: none; border: 0; color: var(--tw-navy); cursor: pointer; border-radius: 8px; transition: background .2s, color .2s; }
.tw-nav-search-btn:hover { background: #F1F7FC; color: var(--tw-blue); }

/* ---- 全屏搜索层（teejoiniot.com 式：深色遮罩 + 居中大搜索框 + 热门词） ---- */
.tw-search-layer { position: fixed; inset: 0; z-index: 100; display: flex; align-items: flex-start; justify-content: center; padding: 18vh 20px 0; background: rgba(2, 23, 44, .58); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); opacity: 0; visibility: hidden; transition: opacity .25s ease, visibility .25s ease; }
.tw-search-layer.open, .tw-search-layer:target { opacity: 1; visibility: visible; }
.tw-search-panel { width: min(720px, 100%); transform: translateY(-16px); transition: transform .25s ease; }
.tw-search-layer.open .tw-search-panel, .tw-search-layer:target .tw-search-panel { transform: translateY(0); }
.tw-search-bar { display: flex; background: #FFF; border-radius: 10px; overflow: hidden; box-shadow: 0 24px 60px rgba(2, 23, 44, .35); }
.tw-search-bar input { flex: 1; min-width: 0; height: 60px; border: 0; padding: 0 22px; font-size: 17px; outline: none; background: #FFF; font-family: inherit; color: var(--tw-navy); }
.tw-search-bar input::placeholder { color: #9AA8B8; }
.tw-search-bar button[type="submit"] { flex-shrink: 0; width: 64px; border: 0; background: var(--tw-blue); color: #FFF; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background .2s; }
.tw-search-bar button[type="submit"]:hover { background: var(--tw-dark); }
.tw-search-close { position: absolute; top: 24px; right: 28px; width: 44px; height: 44px; border: 0; border-radius: 50%; background: rgba(255,255,255,.14); color: #FFF; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background .2s, transform .2s; }
.tw-search-close:hover { background: rgba(255,255,255,.28); transform: rotate(90deg); }
.tw-search-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 22px; }
.tw-search-tags > span { color: rgba(255,255,255,.6); font-size: 13px; }
.tw-search-tags a { padding: 8px 16px; border-radius: 999px; background: rgba(255,255,255,.12); color: #FFF; font-size: 13px; text-decoration: none; transition: background .2s; }
.tw-search-tags a:hover { background: var(--tw-blue); }
@media (max-width:640px) {
  .tw-search-layer { padding-top: 14vh; }
  .tw-search-bar input { height: 52px; font-size: 15px; }
  .tw-search-bar button[type="submit"] { width: 52px; }
}

/* ==================================================================
   v2.29：FAQ 独立页（/faq）—— 手风琴本体复用 contact 的 .tw-ctc-faq-*
   ================================================================== */

/* 列表手风琴答案底部的详情页入口 */
.tw-faq-more { display: inline-flex; align-items: center; gap: 5px; margin-top: 10px; font-size: 13px; font-weight: 600; color: var(--tw-blue); text-decoration: none; }
.tw-faq-more:hover { color: var(--tw-dark); }
.tw-faq-more svg { transition: transform .2s; }
.tw-faq-more:hover svg { transform: translateX(2px); }

/* 详情页：其他问题链接列 */
.tw-faq-related { list-style: none; margin: 16px 0 0; padding: 0; }
.tw-faq-related li { border-bottom: 1px solid #EEF2F7; }
.tw-faq-related li:last-child { border-bottom: 0; }
.tw-faq-related a { display: block; padding: 12px 2px; font-size: 15px; color: var(--tw-navy); text-decoration: none; transition: color .2s; }
.tw-faq-related a:hover { color: var(--tw-blue); }

/* ---- 产品详情：资料下载行（Downloads 标签） ---- */
.tw-dl-list { list-style: none; margin: 0; padding: 0; }
.tw-dl-row { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border: 1px solid #E8EEF5; border-radius: 10px; margin-bottom: 10px; background: #FFF; transition: border-color .2s, box-shadow .2s; }
.tw-dl-row:hover { border-color: var(--tw-blue); box-shadow: 0 4px 14px rgba(0, 104, 183, .08); }
.tw-dl-ico { flex: 0 0 auto; display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 10px; background: #E8F2FB; color: var(--tw-blue); }
.tw-dl-meta { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.tw-dl-meta b { font-size: 15px; font-weight: 600; color: var(--tw-navy); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tw-dl-meta i { font-style: normal; font-size: 12.5px; color: #8494A7; }
.tw-dl-btn { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 6px; padding: 9px 20px; border-radius: 8px; background: var(--tw-blue); color: #FFF; font-size: 13.5px; font-weight: 600; text-decoration: none; transition: background .2s; }
.tw-dl-btn:hover { background: var(--tw-dark); color: #FFF; }
@media (max-width: 640px) {
  .tw-dl-row { flex-wrap: wrap; }
  .tw-dl-btn { width: 100%; justify-content: center; }
}

/* ---- 资源下载汇总页（/downloads）：按产品分组 ---- */
.tw-dl-page .tw-search { max-width: 860px; margin: 0 auto 28px; }
.tw-dl-groups { max-width: 860px; margin: 0 auto; }
.tw-dl-group { margin-bottom: 28px; }
.tw-dl-group-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 0 4px 10px; }
.tw-dl-group-title { display: inline-flex; align-items: center; gap: 8px; font-size: 17px; font-weight: 700; color: var(--tw-navy); text-decoration: none; transition: color .2s; }
.tw-dl-group-title svg { flex: 0 0 auto; color: var(--tw-blue); }
.tw-dl-group-title:hover { color: var(--tw-blue); }
.tw-dl-group-count { flex: 0 0 auto; font-size: 12.5px; color: #8494A7; background: #F1F6FB; border-radius: 999px; padding: 3px 12px; }

/* ==================================================================
   v2.35：产品详情页「Related Products」推荐区（同分类优先、热销补齐；卡片复用 .tw-pcard）
        + 产品属性（attrs：Brand/Origin/Delivery Time/Supply Capacity 等）
          展示于详情信息区，与 Specifications 标签的规格参数（params）区分
   ================================================================== */
.tw-related { padding: 44px 0 60px; }
.tw-related .tw-content-h2 { margin-bottom: 24px; }
.tw-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 1024px) {
  .tw-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* ==================================================================
   v2.37：Certifications 证书页卡片（单页种子内容引用，UEditor 替换占位图后
        .tw-cert-img 内直接插图即等比 contain 展示）
        + Sitemap 站点地图页分组卡片（/sitemap）
   ================================================================== */
.tw-cert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 24px; margin-top: 28px; }
.tw-cert-card { background: #FFF; border: 1px solid var(--tw-light); border-radius: 10px; padding: 14px; text-align: center; }
.tw-cert-img { aspect-ratio: 3 / 4; background: #FAFBFC; border: 1px dashed #DCDFE6; border-radius: 6px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.tw-cert-img img { width: 100%; height: 100%; object-fit: contain; }
.tw-cert-ph { color: #C0C4CC; font-size: 13px; }
.tw-cert-card p { margin: 10px 0 0; font-size: 15px; font-weight: 600; color: var(--tw-navy); }
.tw-cert-band { padding: 44px 0 64px; }

/* ---- Sitemap 页：清爽分栏列表版（参照老站：分类名链接 + 内容链接多栏纵排） ---- */
.tw-sm-band { padding: 44px 0 64px; }
.tw-sm-intro { color: var(--tw-gray); font-size: 14.5px; line-height: 1.8; margin: 0 0 28px; }
.tw-sm-block { background: #FFF; border: 1px solid var(--tw-light); border-radius: 12px; padding: 24px 28px; margin-bottom: 18px; }
.tw-sm-block:last-child { margin-bottom: 0; }
.tw-sm-h2 { font-size: 17px; font-weight: 700; color: var(--tw-navy); margin: 0 0 18px; padding-left: 10px; border-left: 4px solid var(--tw-blue); line-height: 1.4; }
.tw-sm-h2 a { color: inherit; text-decoration: none; }
.tw-sm-h2 a:hover { color: var(--tw-blue); }
.tw-sm-cat { margin-bottom: 16px; }
.tw-sm-cat:last-child { margin-bottom: 0; }
.tw-sm-cat.sub { margin-left: 22px; }
.tw-sm-cat-name { display: inline-block; font-size: 15px; font-weight: 600; color: var(--tw-blue); margin-bottom: 6px; text-decoration: none; }
.tw-sm-cat-name:hover { text-decoration: underline; }
.tw-sm-cols { list-style: none; margin: 0; padding: 0; columns: 3; column-gap: 40px; }
.tw-sm-cols.cols2 { columns: 2; }
.tw-sm-cols li { break-inside: avoid; line-height: 2.05; }
.tw-sm-cols a { color: var(--tw-gray); font-size: 13.5px; text-decoration: none; transition: color .2s; }
.tw-sm-cols a:hover { color: var(--tw-blue); }
@media (max-width: 1024px) {
  .tw-sm-cols { columns: 2; }
}
@media (max-width: 640px) {
  .tw-sm-cols, .tw-sm-cols.cols2 { columns: 1; }
  .tw-sm-block { padding: 18px 20px; }
}

/* 产品属性（详情信息区）：键值行，label 定宽灰、值深色；窄屏纵向堆叠 */
.tw-attrs { list-style: none; margin: 18px 0 0; padding: 0; border: 1px solid #E8EDF3; border-radius: 10px; overflow: hidden; }
.tw-attrs li { display: flex; gap: 16px; padding: 10px 16px; font-size: 13.5px; }
.tw-attrs li + li { border-top: 1px solid #EEF2F7; }
.tw-attrs-k { flex: 0 0 170px; color: #8494A7; }
.tw-attrs-v { flex: 1; min-width: 0; color: #3D4A5C; font-weight: 500; word-break: break-word; }
@media (max-width: 640px) {
  .tw-attrs li { flex-direction: column; gap: 2px; padding: 9px 14px; }
  .tw-attrs-k { flex: none; }
}

/* ==================================================================
   v2.36：悬浮侧栏（右缘固定：电话 / WhatsApp 弹层 / 询盘 / 回顶部）
   数据走系统设置 contact_phone / contact_whatsapp_multi；
   TOP 项滚过 0.6 屏出现（home.js 切 .show，接管原 tw-totop）
   ================================================================== */
.tw-floatbar { position: fixed; right: 14px; bottom: 96px; z-index: 95; }
.tw-floatbar-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; align-items: flex-end; }
.tw-floatbar-item { position: relative; }
/* 触发按钮：默认圆钮，悬停/聚焦向左展开成药丸（文字 max-width 过渡，不跳动） */
.tw-floatbar-trigger {
  display: inline-flex; align-items: center; height: 46px; min-width: 46px; padding: 0 12px;
  border-radius: 999px; border: 1px solid #E2E8F0; background: #FFF; color: var(--tw-navy);
  box-shadow: 0 8px 20px rgba(2, 37, 95, .14); cursor: pointer; text-decoration: none;
  transition: box-shadow .2s, border-color .2s, background-color .2s;
}
.tw-floatbar-trigger:hover { box-shadow: 0 10px 26px rgba(2, 55, 95, .22); border-color: var(--tw-blue); }
.tw-floatbar-icon { flex: 0 0 auto; display: flex; align-items: center; justify-content: center; width: 22px; height: 22px; }
.tw-floatbar-icon svg { width: 100%; height: 100%; }
.tw-floatbar-text { max-width: 0; opacity: 0; overflow: hidden; white-space: nowrap; font-size: 13.5px; font-weight: 600; line-height: 46px; transition: max-width .25s ease, opacity .25s ease, margin .25s ease; }
.tw-floatbar-item:hover .tw-floatbar-text,
.tw-floatbar-item:focus-within .tw-floatbar-text { max-width: 170px; opacity: 1; margin-left: 8px; }
/* 询盘主按钮：品牌蓝实底 */
.tw-floatbar-primary .tw-floatbar-trigger { background: var(--tw-blue); border-color: var(--tw-blue); color: #FFF; }
.tw-floatbar-primary .tw-floatbar-trigger:hover { background: var(--tw-dark); border-color: var(--tw-dark); }
/* WhatsApp 弹层：悬停/聚焦/触屏点开（.open）三态 */
.tw-floatbar-popover {
  position: absolute; right: calc(100% + 12px); top: 50%; transform: translateY(-50%) translateX(6px);
  min-width: 190px; padding: 6px; border-radius: 12px; background: #FFF; border: 1px solid #E2E8F0;
  box-shadow: 0 14px 34px rgba(2, 37, 95, .18); opacity: 0; visibility: hidden;
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
}
.tw-floatbar-wa:hover .tw-floatbar-popover,
.tw-floatbar-wa:focus-within .tw-floatbar-popover,
.tw-floatbar-wa.open .tw-floatbar-popover { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); }
.tw-floatbar-popover a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; font-size: 13px; font-weight: 500; color: #3D4A5C; text-decoration: none; }
.tw-floatbar-popover a:hover { background: #F1F6FB; color: var(--tw-blue); }
.tw-floatbar-popover svg { flex: 0 0 auto; width: 18px; height: 18px; color: #25D366; }
/* TOP：默认隐藏，滚过一屏出现（原 tw-totop 行为） */
.tw-floatbar-top { opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity .3s, transform .3s, visibility .3s; }
.tw-floatbar-top.show { opacity: 1; visibility: visible; transform: none; }
.tw-floatbar-top .tw-floatbar-trigger:hover { background: var(--tw-blue); border-color: var(--tw-blue); color: #FFF; }
@media (max-width: 767px) {
  .tw-floatbar { right: 10px; bottom: 76px; }
  .tw-floatbar-trigger { height: 42px; min-width: 42px; }
  .tw-floatbar-text { line-height: 42px; font-size: 13px; }
}

/* ==================================================================
   v2.41：首页移动端修复 —— 产品/新品/方案轮播卡（.tw-car-card）此前无任何
        响应式规则，手机上仍按每视 6 卡 calc((100% - 125px)/6) 计算，
        375px 屏单卡仅约 25px 宽，首页三组轮播全部挤爆；
        补 1024（3 卡/视）与 767（2 卡/视）两档，图区高度相应下调
   ================================================================== */
@media (max-width: 1024px) {
  .tw-car-card { flex-basis: calc((100% - 50px) / 3); }
  .tw-car-img { height: 200px; }
}
@media (max-width: 767px) {
  .tw-carousel { padding: 10px 14px 20px; }
  .tw-car-card { flex-basis: calc((100% - 25px) / 2); }
  .tw-car-img { height: 170px; }
  .tw-car-title { font-size: 15px; margin: 14px 0 8px; }
  .tw-car-more { font-size: 15px; }
  .tw-band-launch { padding: 36px 16px; }
}

/* ==================================================================
   v2.42：产品详情页标签行（信息区 CTA 下方；后台勾选，点击进列表
        按标签筛选 ?tag=）+ 列表页标签筛选态提示条
   ================================================================== */
.tw-detail-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 18px; }
.tw-detail-tags-label { font-size: 16px; color: var(--tw-gray); }
.tw-detail-tags a { padding: 3px 12px; border: 1px solid #DCE6F0; border-radius: 999px; font-size: 12.5px; color: var(--tw-gray); text-decoration: none; background: #FFFFFF; transition: color .2s, border-color .2s, background .2s; }
.tw-detail-tags a:hover { color: var(--tw-blue); border-color: var(--tw-blue); background: #F0F7FE; }
.tw-tag-filter { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; padding: 8px 14px; background: #F1F7FC; border: 1px solid #DCE9F5; border-radius: 8px; font-size: 13.5px; color: var(--tw-gray); }
.tw-tag-filter b { color: var(--tw-navy); }
.tw-tag-filter a { margin-left: auto; color: var(--tw-gray); text-decoration: none; font-size: 13px; }
.tw-tag-filter a:hover { color: var(--tw-red); }
/* v2.43：标签行移至内容区下方（tw-content 之后非其内部）——有内容卡片时收紧其 60px 底距保持节奏 */
.tw-band-c .tw-content { padding-bottom: 20px; }
.tw-content-under { padding-bottom: 44px; }

/* ==================================================================
   v2.45/2.46：Cookie 合规提示条（底部居中深色卡；接受后 localStorage 记忆
        一年不再显示；移动端全宽贴底；无 JS 保持隐藏）。v2.46 整体放大一档
   ================================================================== */
.tw-cookie-tip { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); z-index: 120;
  display: flex; align-items: center; gap: 26px; max-width: min(1060px, calc(100vw - 36px));
  padding: 22px 30px; background: var(--tw-navy); color: #E7EDF5; border-radius: 14px;
  box-shadow: 0 18px 44px rgba(2, 20, 40, .38); font-size: 15px; line-height: 1.75; }
.tw-cookie-tip[hidden] { display: none; }
.tw-cookie-tip p { margin: 0; flex: 1; min-width: 0; }
.tw-cookie-btns { display: flex; align-items: center; gap: 18px; flex: none; }
.tw-cookie-btns .tw-btn-blue { padding: 13px 36px; font-size: 16px; white-space: nowrap; border: 0; cursor: pointer; }
.tw-cookie-btns a { color: #9DB8D6; font-size: 14.5px; text-decoration: underline; white-space: nowrap; }
.tw-cookie-btns a:hover { color: #FFF; }
@media (max-width: 640px) {
  /* 手机端：全宽贴底栏（标准 cookie bar 形态；适配 iPhone 底部安全区），不再做悬浮卡 */
  .tw-cookie-tip { left: 0; right: 0; bottom: 0; transform: none; max-width: none; border-radius: 14px 14px 0 0;
    flex-direction: column; align-items: stretch; gap: 14px; font-size: 14px;
    padding: 18px 18px calc(18px + env(safe-area-inset-bottom, 0px)); }
  .tw-cookie-btns { justify-content: space-between; }
  .tw-cookie-btns .tw-btn-blue { padding: 12px 28px; }
}
/* Cookie 提示期间（未接受）：移动端隐藏右缘悬浮栏避免叠压，接受后自动恢复 */
@media (max-width: 767px) {
  body.tw-cookie-on .tw-floatbar { display: none; }
}

/* ==================================================================
   v2.48：手机端顶栏适配（iPhone SE 375px 排版修复）等三项
   ① 站点 logo 为 6:1 超宽横版（1828×305），48px 高等比≈287px 宽，
      加上汉堡键/搜索/语言栏与间距在 375px 视口直接溢出致整页横向滚动——
      手机端 logo 降 32px、间距收紧、语言栏只留国旗+箭头
   ② 产品图放大镜面板固定 460px：真机触屏不触发，但浏览器手机模拟模式
      pointer:fine 仍命中 JS 启用条件，460px 面板溢出小屏——≤1024 CSS 硬禁
   ③ html/body overflow-x:clip 兜底防横向滚动（clip 不建立滚动容器，
      不影响 sticky 顶栏/侧栏；老浏览器忽略该值维持原行为）
   ================================================================== */
@media (max-width: 767px) {
  .tw-header-in { gap: 12px; padding: 10px 14px 8px; }
  .tw-logo img { height: 32px; }
  .tw-lang-cur span { display: none; }
}
@media (max-width: 1024px) {
  .tw-zoom-panel, .tw-zoom-lens { display: none !important; }
}
html, body { overflow-x: clip; }

/* ==================================================================
   v2.59：全站询盘表单整体换版（Form-3(1).html 设计转制，替换 v2.53-.55 的 .tw-fi）；
   v2.57 背景 URL 改站内路径；v2.58 背景图入 static/home/img、上下留白 60→80px；
   v2.59 修复：v2.56 起注释里 inquiry-* 与 next-step-* 连写被浏览器当成注释结束符，
   提前闭合注释导致首条 .footer-inquiry 规则被吞（背景/留白全部不生效）。
   命名空间根 .footer-inquiry，BEM 子类原样，通用裸类（form-row、form-group、
   checkbox-group、inquiry 系、next-step 系）一律加 .footer-inquiry 前缀防泄漏互串。
   旧首页 CTA 的 .tw-cta-form 卡片样式（白底/圆角/40px 内边距、input 全宽 12px 内边距、
   textarea min-height）特异性 (0,1,1) 低于本块 (0,2,1)，但表单本体仍需显式复位。
   ================================================================== */
.footer-inquiry { width: 100%; padding: 80px 20px; box-sizing: border-box;
  background: linear-gradient(135deg, rgba(246, 249, 253, 0.97), rgba(239, 245, 252, 0.94)),
    url('/static/home/img/inquiry-bg.jpg') center center / cover no-repeat;
  font-family: Arial, Helvetica, sans-serif; }
.footer-inquiry__container { width: 100%; max-width: 1140px; margin: 0 auto; }
/* 顶部 intro */
.footer-inquiry__intro { max-width: 780px; margin-bottom: 42px; }
.footer-inquiry__eyebrow { display: inline-block; margin-bottom: 12px; color: #2563EB;
  font-size: 12px; font-weight: 700; letter-spacing: 1.8px; line-height: 1.4; }
.footer-inquiry__intro h2 { margin: 0 0 16px; color: #111827; font-size: 38px; font-weight: 700;
  line-height: 1.2; letter-spacing: -0.6px; }
.footer-inquiry__lead { max-width: 720px; margin: 0; color: #5B6472; font-size: 17px; line-height: 1.75; }
/* 主栅格：左信息 0.82fr / 右表单卡 min 500px */
.footer-inquiry__grid { display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(500px, 1.18fr); gap: 70px; align-items: start; }
/* 左栏 */
.footer-inquiry__content { padding-top: 18px; }
.footer-inquiry .inquiry-intro h3 { margin: 0 0 12px; color: #172033; font-size: 24px; font-weight: 700; line-height: 1.35; }
.footer-inquiry .inquiry-intro p { margin: 0; color: #5B6472; font-size: 15px; line-height: 1.75; }
.footer-inquiry .inquiry-services { margin-top: 30px; }
.footer-inquiry .inquiry-service { display: flex; gap: 14px; margin-bottom: 21px; }
.footer-inquiry .inquiry-service__icon { flex: 0 0 24px; width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center; border-radius: 50%;
  background: #E8F0FF; color: #2563EB; font-size: 13px; font-weight: 700; }
.footer-inquiry .inquiry-service strong { display: block; margin-bottom: 3px; color: #1F2937;
  font-size: 15px; font-weight: 700; }
.footer-inquiry .inquiry-service span:not(.inquiry-service__icon) { display: block;
  color: #697386; font-size: 13px; line-height: 1.55; }
/* What happens next 步骤卡 */
.footer-inquiry .inquiry-next { margin-top: 34px; padding: 25px 22px 23px; background: #FFF;
  border: 1px solid #E3EAF3; border-radius: 14px; box-shadow: 0 5px 20px rgba(15, 23, 42, 0.035); }
.footer-inquiry .inquiry-next h3 { margin: 0 0 20px; color: #172033; font-size: 18px; font-weight: 700; line-height: 1.4; }
.footer-inquiry .next-step { display: flex; gap: 14px; position: relative; margin-bottom: 18px; }
.footer-inquiry .next-step:last-child { margin-bottom: 0; }
.footer-inquiry .next-step__number { flex: 0 0 30px; width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center; border-radius: 50%;
  background: #EAF3FF; color: #1670D8; font-size: 13px; font-weight: 700; line-height: 1; }
.footer-inquiry .next-step__content { flex: 1; padding-top: 2px; }
.footer-inquiry .next-step__content strong { display: inline; margin-right: 5px; color: #111827;
  font-size: 14px; font-weight: 700; line-height: 1.6; }
.footer-inquiry .next-step__content span { color: #5F6B7A; font-size: 13px; line-height: 1.65; }
/* 右侧表单卡 */
.footer-inquiry__form-card { padding: 34px 36px 30px; background: #FFF;
  border: 1px solid rgba(15, 23, 42, 0.07); border-radius: 16px;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.10); }
.footer-inquiry .form-card__header { margin-bottom: 25px; }
.footer-inquiry .form-card__header h3 { margin: 0 0 7px; color: #111827; font-size: 23px;
  font-weight: 700; line-height: 1.35; }
.footer-inquiry .form-card__header p { margin: 0; color: #6B7280; font-size: 14px; line-height: 1.6; }
/* 复位旧 .tw-cta-form 卡片样式（home.js 契约类，样式归零由 .footer-inquiry__form-card 承担） */
.footer-inquiry .tw-cta-form { width: 100%; background: none; border-radius: 0; padding: 0; }
.footer-inquiry .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.footer-inquiry .form-group { margin-bottom: 17px; }
.footer-inquiry .form-group label { display: block; margin-bottom: 7px; color: #374151;
  font-size: 13px; font-weight: 600; line-height: 1.4; }
.footer-inquiry .form-group label span { color: #2563EB; }
.footer-inquiry .form-group input, .footer-inquiry .form-group select, .footer-inquiry .form-group textarea {
  width: 100%; box-sizing: border-box; border: 1px solid #D8DEE8; border-radius: 8px;
  background: #FFF; color: #1F2937; font-family: Arial, Helvetica, sans-serif; font-size: 14px;
  outline: none; transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease; }
.footer-inquiry .form-group input, .footer-inquiry .form-group select { height: 46px; padding: 0 13px; }
.footer-inquiry .form-group textarea { min-height: 118px; padding: 12px 13px; resize: vertical;
  line-height: 1.6; }
.footer-inquiry .form-group input::placeholder, .footer-inquiry .form-group textarea::placeholder { color: #9CA3AF; }
.footer-inquiry .form-group input:focus, .footer-inquiry .form-group select:focus, .footer-inquiry .form-group textarea:focus {
  border-color: #2563EB; background: #FFF; box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.10); }
/* 勾选框（含对旧 .tw-cta-form input 全宽/边框规则复位，同 v2.55 教训） */
.footer-inquiry .checkbox-group { margin-bottom: 12px; }
.footer-inquiry .checkbox-group label { display: flex; align-items: flex-start; gap: 9px;
  cursor: pointer; color: #6B7280; font-size: 12px; line-height: 1.55; }
.footer-inquiry .checkbox-group input[type="checkbox"] { flex: 0 0 auto; width: 15px; height: 15px;
  margin: 2px 0 0; padding: 0; border: 0; accent-color: #2563EB; }
.footer-inquiry .checkbox-group a { color: #2563EB; text-decoration: none; font-weight: 600; }
.footer-inquiry .checkbox-group a:hover { text-decoration: underline; }
/* 提交按钮（home.js 冷却态 textContent 整体替换 → 箭头只能 CSS ::after） */
.footer-inquiry__submit { width: 100%; min-height: 50px; display: flex; align-items: center;
  justify-content: center; gap: 10px; margin-top: 21px; padding: 13px 20px; border: none;
  border-radius: 8px; background: #2563EB; color: #FFF;
  font-family: Arial, Helvetica, sans-serif; font-size: 15px; font-weight: 700; line-height: 1.4;
  cursor: pointer; transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease; }
.footer-inquiry__submit::after { content: '\2192'; font-size: 19px; line-height: 1;
  transition: transform 0.2s ease; }
.footer-inquiry__submit:hover { background: #1D4ED8; transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.22); }
.footer-inquiry__submit:hover::after { transform: translateX(4px); }
.footer-inquiry__submit:active { transform: translateY(0); }
.footer-inquiry__submit:disabled { cursor: default; transform: none; box-shadow: none; opacity: 0.75; }
/* 信任条 + 消息（tw-cta-msg ok/err 配色沿全局 380 行） */
.footer-inquiry .form-trust { display: flex; align-items: center; justify-content: center; gap: 7px;
  margin-top: 13px; color: #7B8493; font-size: 12px; line-height: 1.5; text-align: center; }
.footer-inquiry .form-trust strong { color: #4B5563; }
.footer-inquiry .trust-dot { width: 6px; height: 6px; flex: 0 0 6px; border-radius: 50%; background: #22C55E; }
.footer-inquiry .tw-cta-msg { text-align: center; }
/* 响应式 */
@media (max-width: 1000px) {
  .footer-inquiry { padding: 78px 20px; }
  .footer-inquiry__grid { grid-template-columns: 1fr; gap: 45px; }
  .footer-inquiry__content { padding-top: 0; max-width: 760px; }
  .footer-inquiry__form-card { max-width: 760px; }
}
@media (max-width: 768px) {
  .footer-inquiry { padding: 62px 16px; }
  .footer-inquiry__intro { margin-bottom: 30px; }
  .footer-inquiry__intro h2 { font-size: 30px; letter-spacing: -0.3px; }
  .footer-inquiry__lead { font-size: 15px; line-height: 1.7; }
  .footer-inquiry__grid { gap: 35px; }
  .footer-inquiry__form-card { padding: 27px 22px 24px; border-radius: 13px; }
  .footer-inquiry .form-row { grid-template-columns: 1fr; gap: 0; }
  .footer-inquiry .form-card__header h3 { font-size: 21px; }
}
@media (max-width: 480px) {
  .footer-inquiry { padding: 52px 12px; }
  .footer-inquiry__intro h2 { font-size: 26px; }
  .footer-inquiry__eyebrow { font-size: 11px; }
  .footer-inquiry__form-card { padding: 23px 17px 21px; border-radius: 11px; }
  .footer-inquiry .form-group input, .footer-inquiry .form-group select { height: 44px; font-size: 14px; }
  .footer-inquiry .form-group textarea { min-height: 110px; }
}

/* ==================================================================
   v2.61：导航 Solutions 下拉 touchwo 式改版（header.html solution 分支）：
   行业图片卡（封面图 + 标题）一排 4 个，响应式降 3 列、2 列；
   显示机制复刻 tw-mega（静态定位 + hover 全宽面板 + 悬停桥）。
   v2.60 的落地页 .tw-slv 样式已随落地页改动一并回滚移除。
   ================================================================== */
.tw-nav-item.tw-has-smega { position: static; }
.tw-has-smega:hover > a .tw-caret { transform: rotate(180deg); }
.tw-smega {
  position: absolute; left: 0; right: 0; top: 100%; z-index: 100;
  background: #FFF; border-top: 3px solid var(--tw-blue);
  box-shadow: 0 24px 50px rgba(2, 55, 95, .22);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
}
.tw-smega::before { content: ""; position: absolute; top: -14px; left: 0; right: 0; height: 14px; }
.tw-has-smega:hover > .tw-smega { opacity: 1; visibility: visible; transform: translateY(0); }
.tw-smega-in { max-width: 1440px; margin: 0 auto; padding: 0 20px; }
/* 卡片网格：一排 4 个 */
.tw-smega-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 22px 0 24px; }
.tw-smega-card { display: block; text-decoration: none; }
/* v2.62：有图/无图卡统一边界——边框 + 加深渐变兜底，无图卡不再与白底面板融为一体 */
.tw-smega-img { aspect-ratio: 4 / 3; border-radius: 8px; overflow: hidden;
  border: 1px solid #DCE5F0; box-sizing: border-box;
  background: #EEF2F8 linear-gradient(135deg, #DDE9F7, #ECF2FA) center / cover no-repeat;
  transition: box-shadow 0.2s ease; }
.tw-smega-card:hover .tw-smega-img { box-shadow: 0 10px 26px rgba(15, 23, 42, 0.14); }
.tw-smega-title { display: block; margin-top: 10px; color: var(--tw-navy, #17233D);
  font-size: 14px; font-weight: 600; line-height: 1.4; text-align: center;
  transition: color 0.2s ease; }
.tw-smega-card:hover .tw-smega-title { color: #2563EB; }
@media (max-width: 1200px) { .tw-smega-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px) { .tw-smega-grid { grid-template-columns: repeat(2, 1fr); } }