/* ==========================================================================
   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 { 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 { display: block; }
.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（手风琴满宽到右缘，50vh）
   ========================================================================== */
.tw-band-solution { padding: 5% 0 2% 0; }
.tw-sol-head { padding-right: 2%; }
.tw-acc { display: flex; height: 39.5vh; min-height: 420px; margin-top: 36px; }
.tw-acc-item { position: relative; flex: 1; overflow: hidden; transition: flex .45s ease; background: linear-gradient(135deg, #123061 0%, var(--tw-blue) 100%); }
.tw-acc-item img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.tw-acc-mask { position: absolute; inset: 0; background: rgba(0, 0, 0, .3); transition: background .4s; }
.tw-acc-item:hover { flex: 2.2; }
.tw-acc-item:hover .tw-acc-mask { background: linear-gradient(to bottom, rgba(0, 104, 183, 0), #0068B7); }
.tw-acc-cap { position: absolute; left: 0; right: 0; bottom: 0; height: 100px; display: flex; flex-direction: column; justify-content: center; padding: 0 18px; color: #FFF; overflow: hidden; }
.tw-acc-title { font-size: 22px; font-weight: 600; }
.tw-acc-desc { font-size: 14px; line-height: 1.5; opacity: 0; transform: translateY(24px); transition: all .3s .2s; }
.tw-acc-item:hover .tw-acc-desc { opacity: 1; transform: none; }

/* ==========================================================================
   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: flex-start; padding: 2% 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; }
.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-note { font-size: 12px; color: #909399; margin-top: 12px; }
.tw-cta-msg { font-size: 13px; color: var(--tw-blue); min-height: 18px; margin-top: 8px; }
.tw-hp-field { position: absolute; left: -9999px; }

/* ==========================================================================
   Footer：#06122A 深底，5 列 + 版权条
   ========================================================================== */
.tw-footer { background: #06122A; padding: 80px 0; }
.tw-footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr 1.1fr; gap: 36px; }
.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; gap: 12px; margin-top: 18px; }
.tw-footer-social a {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: rgba(255, 255, 255, .08); color: #C9D2DD; transition: all .3s;
}
.tw-footer-social a:hover { background: var(--tw-blue); color: #FFF; }
.tw-footer-social svg { width: 16px; height: 16px; }
.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 */
.tw-totop {
  position: fixed; right: 26px; bottom: 30px; z-index: 120;
  display: flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--tw-blue); color: #FFF; box-shadow: 0 8px 20px rgba(2, 55, 95, .35);
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .3s;
}
.tw-totop.show { opacity: 1; visibility: visible; transform: none; }
.tw-totop:hover { background: var(--tw-dark); }

/* ==========================================================================
   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%; }
  /* 展开时导航独占一行（否则作为 flex 子项被压缩至右侧超屏） */
  body.tw-menu-open .tw-header-in { flex-wrap: wrap; }
  body.tw-menu-open .tw-nav {
    display: block; flex: 1 0 100%; order: 5;
    /* 展开的菜单在 sticky header 内：限高一屏内滚动，否则底部内容够不着 */
    max-height: calc(100vh - 130px);
    max-height: calc(100dvh - 130px);
    overflow-y: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch;
  }
  .tw-nav > ul { flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 0; }
  .tw-nav-item > a { padding: 12px 4px; border-bottom: 1px solid #F1F3F5; }.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; }
  .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 { grid-template-columns: repeat(2, 1fr); }
  .tw-car-btn { display: none; }
  .tw-acc { flex-direction: column; height: auto; }
  .tw-acc-item { flex: none; height: 84px; }
  .tw-acc-item:hover { flex: none; height: 240px; }
  .tw-acc-cap { height: auto; padding: 10px 18px; justify-content: flex-end; }
}

@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-grid { grid-template-columns: 1fr; }
  .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：级联下拉改静态嵌套列表（随汉堡菜单展开） */
@media (max-width: 1024px) {
  .tw-nav-item > .tw-drop, .tw-fly {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border-radius: 0; border-top: 0; background: none; min-width: 0; padding: 4px 6px 6px 16px;
  }
  .tw-drop a { padding: 8px 10px; }
  /* 产品巨幕菜单 → 静态嵌套列表 */
  .tw-mega { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border-top: 0; }
  .tw-mega::before { display: none; }
  .tw-mega-in { max-width: none; padding: 0; }
  .tw-mega-top { display: none; }
  .tw-mega-body { display: block; height: auto; }
  .tw-mega-side { width: auto; max-height: none; overflow: visible; padding: 2px 6px 6px 16px; }
  .tw-mega-cat > a { margin: 0; padding: 8px 10px; border-radius: 0; }
  .tw-mega-side .tw-mega-cat:hover > a, .tw-mega-side .tw-mega-cat:hover > a .tw-arrow { background: none; color: var(--tw-blue); }
  .tw-mega-pane { position: static; display: block; overflow: visible; }
  .tw-mega-cols { columns: auto; padding: 2px 6px 6px 16px; }
  .tw-mega-side:hover .tw-mega-cat .tw-mega-pane { display: block; }
}
/* ==========================================================================
   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); }
@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); }
.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; }
.tw-pagination { display:flex; justify-content:center; margin-top:34px; }
.tw-pagination ul { display:flex; gap:8px; list-style:none; margin:0; padding:0; }
.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; }
.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-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; }
.tw-gallery-main img { width:100%; aspect-ratio:1; object-fit:contain; display:block; }
.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); }
.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 { max-width:100%; border-collapse:collapse; }
.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; }
}