@charset "UTF-8";
/* ==========================================================================
   HANYI PACK — Industrial Design System
   工业风设计系统 · 深钢灰 + 安全橙 · 机械制图美学
   ========================================================================== */

/* ---------------------------------------------------------------- TOKENS */
:root {
  /* ============================================================
     EUNOV Machinery —— 配色取自企业标志
     标志是一个由模块拼成的立方体：青蓝渐变的面、精密的网格线、
     深藏青的阴影面。所以整站用同一套语言：
       墨色   = 深藏青（品牌重量感）
       强调色 = 青→蓝渐变（模块、链接、数据）
       背景   = 冷白 + 极淡网格（工程图纸的暗示）
     ============================================================ */

  /* 墨色体系 —— 深藏青到浅钢蓝 */
  --ink:          #06173f;
  --navy-950:     #0a1f4d;
  --navy-900:     #08265e;
  --navy-850:     #08318d;
  --navy-800:     #0a3ba3;
  --navy-700:     #0d4bb5;
  --navy-600:     #0461ae;
  --navy-500:     #1276c4;
  --navy-400:     #3a92d4;
  --navy-300:     #74b4e2;
  --navy-200:     #aed3ee;
  --navy-100:     #d7e9f7;
  --navy-050:     #eef6fc;

  /* 青色 —— 立方体亮面上的那抹青 */
  --cyan-600:     #049ab4;
  --cyan-500:     #07b1cb;
  --cyan-400:     #2ec5d9;
  --cyan-300:     #6bd8e5;
  --cyan-100:     #d2f2f7;

  /* 中性色 —— 略带冷调，与青蓝同族 */
  --steel-950:    #0d1420;
  --steel-900:    #161f2e;
  --steel-800:    #253044;
  --steel-700:    #3a4657;
  --steel-600:    #526074;
  --steel-500:    #6f7c8f;
  --steel-400:    #93a0b1;
  --steel-300:    #b8c3d0;
  --steel-200:    #d5dde6;
  --steel-100:    #e6ecf2;
  --steel-050:    #f3f7fa;

  /* 强调色 —— 青蓝渐变，标志立方体的正面 */
  --accent:       #0a6fc4;
  --accent-600:   #0860ad;
  --accent-700:   #064f92;
  --accent-cyan:  #07b1cb;
  --accent-soft:  rgba(10, 111, 196, .10);
  --accent-line:  rgba(10, 111, 196, .26);
  --accent-grad:  linear-gradient(135deg, #07b1cb 0%, #0a6fc4 52%, #08318d 100%);
  --accent-grad-soft: linear-gradient(135deg, #e6f7fb 0%, #e8f1fb 100%);

  /* 功能色 */
  --green:        #1f9d54;
  --amber:        #d99000;
  --red:          #d63a3f;
  --blue:         #2f6fd0;

  /* 表面 —— 冷白，带一丝蓝，避免死白 */
  --bg:           #ffffff;
  --bg-soft:      #f4f8fb;
  --bg-alt:       #ecf3f9;
  --bg-tint:      #e3edf7;
  --bg-deep:      #06173f;
  --line:         #dfe8f1;
  --line-strong:  #c3d3e3;

  /* 文字 */
  --text:         #0d1b2e;
  --text-2:       #465873;
  --text-3:       #71829a;
  --text-inv:     #ffffff;
  --text-dim:     #9fb0c4;

  /* 字体 */
  --font: "Inter", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Roboto Mono", Consolas, monospace;

  /* 尺度 */
  --wrap: 1280px;
  --gut: 28px;
  --r-sm: 3px;
  --r: 5px;
  --r-lg: 8px;

  --shadow-s: 0 1px 2px rgba(6, 23, 63, .05), 0 2px 8px rgba(6, 23, 63, .04);
  --shadow: 0 4px 12px rgba(6, 23, 63, .07), 0 12px 32px rgba(6, 23, 63, .06);
  --shadow-l: 0 12px 40px rgba(6, 23, 63, .12), 0 30px 70px rgba(6, 23, 63, .10);
  --shadow-accent: 0 8px 24px rgba(10, 111, 196, .26);

  --ease: cubic-bezier(.4, 0, .2, 1);
  --header-h: 76px;
}

/* ---------------------------------------------------------------- RESET */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ---------------------------------------------------------------------
   工程网格底纹
   标志立方体的每个面都画着精密网格，所以整站铺一层极淡的网格线。
   不是装饰花纹 —— 它呼应「每个模块都是一块可以组装的零件」这个
   品牌理念，也把纯白背景变成有质感的冷白。
   --------------------------------------------------------------------- */
.grid-tex {
  position: relative;
}
.grid-tex::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(10, 111, 196, .045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10, 111, 196, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 120% 80% at 50% 0%, #000 35%, transparent 78%);
  mask-image: radial-gradient(ellipse 120% 80% at 50% 0%, #000 35%, transparent 78%);
}
.grid-tex > * { position: relative; z-index: 1; }

/* 深色区块的网格 —— 藏青底上更淡，但能看出结构 */
.grid-tex-dark::before {
  background-image:
    linear-gradient(to right, rgba(126, 200, 235, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(126, 200, 235, .07) 1px, transparent 1px);
}

img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }
table { border-collapse: collapse; width: 100%; }

::selection { background: var(--accent); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ------------------------------------------------------------- LAYOUT */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gut);
}
.wrap-wide { max-width: 1480px; }
.wrap-narrow { max-width: 900px; }

.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-dark { background: var(--bg-tint); color: var(--text); }
.section-soft { background: var(--bg-soft); }
.section-alt { background: var(--bg-alt); }

/* 工程网格底纹铺在内容区上。
   标志立方体每个面都是网格线，整站也用同一套纹理 —— 不是花纹，
   是「精密模块」这个理念的视觉底噪。浅底上极淡，斜光下才看得见。 */
.section-soft, .section-alt, .section-dark {
  position: relative;
}
.section-soft::before, .section-alt::before, .section-dark::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(10, 111, 196, .05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10, 111, 196, .05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 110% 90% at 50% 0%, #000 25%, transparent 80%);
  mask-image: radial-gradient(ellipse 110% 90% at 50% 0%, #000 25%, transparent 80%);
}
.section-soft > *, .section-alt > *, .section-dark > * { position: relative; z-index: 1; }

/* 深藏青区块 —— 品牌最重的一块颜色，用在需要「压住」的位置。
   不是纯黑：藏青带一点机器的冷峻，又比黑柔和。 */
.section-deep {
  background: var(--bg-deep);
  color: var(--text-inv);
  position: relative;
}
.section-deep h1, .section-deep h2,
.section-deep h3, .section-deep h4 { color: var(--text-inv); }
.section-deep .lead { color: rgba(255, 255, 255, .78); }
.section-deep .eyebrow { color: var(--cyan-300); }
.section-deep .mono { color: rgba(255, 255, 255, .55); }
.section-deep .link-arrow { color: var(--cyan-300); }
.section-deep .spec-pill {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .14);
  color: rgba(255, 255, 255, .82);
}
.section-deep .card,
.section-deep .prod-card,
.section-deep .line-model {
  background: rgba(255, 255, 255, .055);
  border-color: rgba(255, 255, 255, .12);
}

/* 深底上的卡片：半透明白底 + 细边框，浮在藏青上不糊。 */
.section-deep .why-card,
.section-deep .support-card,
.section-deep .cap-card,
.section-deep .feature-item {
  background: rgba(255, 255, 255, .055);
  border-color: rgba(255, 255, 255, .12);
}
.section-deep .why-card h4,
.section-deep .support-card h4,
.section-deep .cap-card h4,
.section-deep .feature-item h4 { color: #fff; }
.section-deep .why-card p,
.section-deep .support-card p,
.section-deep .cap-card p,
.section-deep .feature-item p { color: rgba(255, 255, 255, .70); }
.section-deep .why-num { color: var(--cyan-300); }
/* 深底上原有的浅色小徽章要跟着翻 */
.section-deep .spec-pill,
.section-deep .mod-badge,
.section-deep .eyebrow { color: var(--cyan-300); }
.section-deep .spec-pill {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .14);
  color: rgba(255, 255, 255, .82);
}

.sec-head { margin-bottom: 52px; }
.sec-head.center { text-align: center; }
.sec-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

/* ---------------------------------------------------------- TYPOGRAPHY */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--accent);
  flex: none;
}
.sec-head.center .eyebrow { justify-content: center; }
.section-dark .eyebrow { color: var(--accent-600); }

h1, h2, h3, h4, h5 {
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.022em;
  color: var(--text);
}
.section-dark h1, .section-dark h2,
.section-dark h3, .section-dark h4 { color: var(--text); }

h1 { font-size: clamp(38px, 5.2vw, 68px); }
h2 { font-size: clamp(30px, 3.6vw, 46px); }
h3 { font-size: clamp(20px, 2vw, 26px); }
h4 { font-size: 17px; letter-spacing: -.01em; }

.lead {
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.78;
  color: var(--text-2);
  max-width: 720px;
}
.section-dark .lead { color: var(--text-2); }
.sec-head.center .lead { margin-inline: auto; }

.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-3);
}
.section-dark .mono { color: var(--text-3); }

.acc { color: var(--accent); }

/* ------------------------------------------------------------- BUTTONS */
/* 主按钮用标志的青蓝渐变 —— 立方体正面那一片的颜色。
   不铺满整块，只在悬停时显出渐变，静态时保持稳重。 */
.btn {
  --btn-bg: var(--accent);
  --btn-fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease),
              background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; flex: none; }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-accent); }
.btn:active { transform: translateY(0); }

/* 品牌渐变按钮 */
.btn-brand {
  background: var(--accent-grad);
  background-size: 160% 160%;
  background-position: 0% 50%;
  transition: background-position .38s var(--ease), transform .28s var(--ease),
              box-shadow .28s var(--ease);
  box-shadow: 0 6px 18px rgba(10, 111, 196, .22);
}
.btn-brand:hover {
  background-position: 100% 50%;
  box-shadow: 0 10px 28px rgba(10, 111, 196, .32);
}

.btn-ghost {
  --btn-bg: transparent;
  --btn-fg: var(--text);
  border-color: var(--line-strong);
}
.btn-ghost:hover {
  --btn-bg: var(--steel-900);
  --btn-fg: #fff;
  border-color: var(--steel-900);
  box-shadow: var(--shadow);
}
.section-dark .btn-ghost {
  --btn-fg: var(--text);
  border-color: var(--line-strong);
}
.section-dark .btn-ghost:hover {
  --btn-bg: var(--steel-900);
  --btn-fg: #fff;
  border-color: var(--steel-900);
}

.btn-light {
  --btn-bg: #fff;
  --btn-fg: var(--steel-900);
}
.btn-light:hover { --btn-bg: var(--accent); --btn-fg: #fff; }

.btn-outline-light {
  --btn-bg: transparent;
  --btn-fg: #fff;
  border-color: rgba(255, 255, 255, .35);
}
.btn-outline-light:hover { --btn-bg: rgba(255,255,255,.1); box-shadow: none; }

.btn-sm { padding: 10px 20px; font-size: 13px; }
.btn-lg { padding: 17px 36px; font-size: 15px; }
.btn-block { width: 100%; }

.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

/* 文字链接箭头 */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  transition: gap .2s var(--ease);
}
.link-arrow svg { width: 16px; height: 16px; transition: transform .2s var(--ease); }
.link-arrow:hover { gap: 13px; }
.link-arrow:hover svg { transform: translateX(3px); }
.section-dark .link-arrow { color: var(--accent-600); }

/* --------------------------------------------------------------- HEADER */
.topbar {
  background: var(--steel-900);
  color: var(--steel-300);
  font-size: 12.5px;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 38px;
}
.topbar-items { display: flex; align-items: center; gap: 26px; }
.topbar-item { display: inline-flex; align-items: center; gap: 7px; }
.topbar-item svg { width: 14px; height: 14px; color: var(--accent); flex: none; }
.topbar-item a:hover { color: #fff; }
.topbar-social { display: flex; align-items: center; gap: 6px; }
.topbar-social a {
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: var(--r-sm);
  color: var(--steel-400);
  transition: background .2s, color .2s;
}
.topbar-social a:hover { background: var(--accent); color: #fff; }
.topbar-social svg { width: 14px; height: 14px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s var(--ease);
}
.site-header.scrolled { box-shadow: var(--shadow); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  height: var(--header-h);
}

.brand { display: flex; align-items: center; gap: 13px; flex: none; }

/* Logo 后面的公司全称。
   采购方查供应商时对的是营业执照上的名字，写在页头最显眼的位置，
   比只留一个 Logo 更容易被记住。竖线分隔，小字，不抢 Logo 的视觉。 */
.brand-legal {
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: .015em;
  color: var(--text-3);
  padding-left: 15px;
  border-left: 1px solid var(--line-strong);
  white-space: nowrap;
  transition: color .2s var(--ease);
}
.brand:hover .brand-legal { color: var(--text-2); }

@media (max-width: 1279px) {
  .brand-legal { display: none; }
}
.brand-mark {
  width: 42px; height: 42px;
  background: linear-gradient(150deg, var(--accent), var(--accent-700));
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  flex: none;
  position: relative;
  overflow: hidden;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(0,0,0,.22) 0 3px, transparent 3px 9px),
    repeating-linear-gradient(0deg, rgba(0,0,0,.22) 0 3px, transparent 3px 9px);
}
.brand-mark span {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 17px;
  color: #fff;
  letter-spacing: -.5px;
  z-index: 1;
  text-shadow: 0 1px 2px rgba(0,0,0,.3);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name {
  font-size: 19px;
  font-weight: 900;
  letter-spacing: .04em;
  color: var(--steel-900);
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .22em;
  color: var(--steel-400);
  text-transform: uppercase;
}

/* 主导航 */
.main-nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav-item { position: relative; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 15px;
  height: var(--header-h);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-2);
  position: relative;
  transition: color .2s var(--ease);
  white-space: nowrap;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 15px; right: 15px; bottom: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--ease);
}
.nav-link:hover, .nav-item:hover > .nav-link, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-item:hover > .nav-link::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link svg { width: 13px; height: 13px; opacity: .5; transition: transform .25s var(--ease); }
.nav-item:hover > .nav-link svg { transform: rotate(180deg); }

/* Mega dropdown */
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 560px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 2px solid var(--accent);
  border-radius: 0 0 var(--r-lg) var(--r-lg);
  box-shadow: var(--shadow-l);
  padding: 26px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
  z-index: 20;
}
.nav-item:hover .dropdown,
.dropdown:hover { opacity: 1; visibility: visible; transform: translateY(0); }

.dd-group-title {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--steel-400);
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.dd-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 9px;
  margin-inline: -9px;
  border-radius: var(--r-sm);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-2);
  transition: background .18s, color .18s, padding .18s;
}
.dd-link svg { width: 15px; height: 15px; color: var(--steel-400); flex: none; transition: color .18s; }
.dd-link:hover {
  background: var(--accent-soft);
  color: var(--accent-700);
  padding-left: 14px;
}
.dd-link:hover svg { color: var(--accent); }

/* Header 右侧 */
.header-actions { display: flex; align-items: center; gap: 12px; flex: none; }

/* 语言切换 */
.lang-switch {
  display: flex;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  overflow: hidden;
  height: 36px;
}
.lang-switch a {
  padding: 0 11px;
  height: 100%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--text-3);
  transition: background .2s, color .2s;
}
.lang-switch a:hover { color: var(--accent); }
.lang-switch a.active { background: var(--steel-900); color: #fff; }
.lang-switch a + a { border-left: 1px solid var(--line); }

/* 移动端汉堡 */
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  place-items: center;
  color: var(--text);
}
.nav-toggle svg { width: 21px; height: 21px; }
.nav-toggle .icon-close { display: none; }
body.menu-open .nav-toggle .icon-close { display: block; }
body.menu-open .nav-toggle .icon-menu { display: none; }

.mobile-nav {
  position: fixed;
  inset: calc(var(--header-h) + 38px) 0 0;
  background: #fff;
  z-index: 890;
  overflow-y: auto;
  padding: 20px var(--gut) 60px;
  transform: translateX(100%);
  transition: transform .3s var(--ease);
  display: none;
}
body.menu-open .mobile-nav { transform: translateX(0); }
.mb-item { border-bottom: 1px solid var(--line); }
.mb-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}
.mb-link svg { width: 18px; height: 18px; color: var(--steel-400); transition: transform .25s; }
.mb-item.open .mb-link svg { transform: rotate(180deg); }
.mb-sub {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s var(--ease);
  padding-bottom: 8px;
}
.mb-item.open .mb-sub { max-height: 900px; }
.mb-sub a {
  display: block;
  padding: 9px 0 9px 16px;
  font-size: 14.5px;
  color: var(--text-2);
  border-left: 2px solid var(--line);
}
.mb-sub a:hover { color: var(--accent); border-color: var(--accent); }
.mb-sub .dd-group-title { margin-top: 10px; }

/* ---------------------------------------------------------------- HERO */
/* 首屏 —— 深藏青底 + 机器照片。
   藏青是标志上最重的那一面颜色，用在第一眼就能建立「稳」的印象；
   照片压在渐变下面，透过藏青透出来，像工程图纸底上的实拍。 */
.hero {
  position: relative;
  background:
    radial-gradient(ellipse 90% 70% at 78% 22%, #0d3f96 0%, transparent 62%),
    radial-gradient(ellipse 70% 60% at 12% 88%, #06325f 0%, transparent 58%),
    linear-gradient(155deg, #06173f 0%, #082a63 46%, #08318d 100%);
  color: var(--text-inv);
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: .30;
}
.hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(.34) contrast(1.06) brightness(.96);
}

/* 网格底纹 —— 标志立方体每个面上的那种网格 */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(126, 200, 235, .10) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(126, 200, 235, .10) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 100% 90% at 70% 30%, #000 20%, transparent 76%);
  mask-image: radial-gradient(ellipse 100% 90% at 70% 30%, #000 20%, transparent 76%);
}

/* 照片上的压暗层：让机器在藏青里透出来，但不抢标题 */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(100deg,
      rgba(6, 23, 63, .94) 0%,
      rgba(6, 23, 63, .86) 32%,
      rgba(8, 41, 94, .52) 56%,
      rgba(10, 60, 130, .26) 78%,
      rgba(10, 60, 130, .40) 100%),
    linear-gradient(0deg, rgba(6, 23, 63, .72) 0%, transparent 46%);
}
@media (max-width: 900px) {
  .hero::after {
    background:
      linear-gradient(180deg,
        rgba(6, 23, 63, .90) 0%,
        rgba(6, 23, 63, .80) 54%,
        rgba(8, 41, 94, .66) 80%,
        rgba(6, 23, 63, .88) 100%);
  }
}
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 60px;
  align-items: center;
  padding: 88px 0 96px;
  min-height: 640px;
}
.hero-copy {
  position: relative;
  z-index: 2;
}
.hero-title {
  font-size: clamp(36px, 4.7vw, 62px);
  line-height: 1.08;
  color: #fff;
  margin-bottom: 22px;
  letter-spacing: -.028em;
  text-shadow: 0 2px 24px rgba(6, 23, 63, .45);
}
/* 标题里的高亮词用标志上的青色 —— 深底上最亮的那一面 */
.hero-title em {
  font-style: normal;
  color: var(--cyan-300);
  position: relative;
  white-space: nowrap;
}
.hero-title em::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: .1em;
  height: 8px;
  background: var(--accent-cyan);
  opacity: .26;
  z-index: -1;
}
.hero-sub {
  font-size: 16.5px;
  line-height: 1.78;
  color: rgba(255, 255, 255, .80);
  max-width: 580px;
  margin-bottom: 34px;
}
.hero .eyebrow { color: var(--cyan-300); }
.hero .mono { color: rgba(255, 255, 255, .60); }
.hero .btn-row { margin-bottom: 44px; }

/* 顶部装饰条 */
.hero-strip {
  display: flex;
  align-items: stretch;
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
}
.hero-strip-item {
  flex: 1;
  padding: 26px 24px;
  border-right: 1px solid var(--line);
}
.hero-strip-item:last-child { border-right: 0; }
.hero-strip-num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  color: var(--accent-600);
  line-height: 1;
  margin-bottom: 8px;
}
.hero-strip-num sup { font-size: 16px; vertical-align: super; }
.hero-strip-label {
  font-size: 12.5px;
  color: var(--text-3);
  letter-spacing: .03em;
}

/* Hero 右侧视频卡 */
.hero-visual { position: relative; z-index: 2; }
.hero-media {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-l);
  background: #fff;
  aspect-ratio: 16 / 10;
}
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(16,23,29,.55), rgba(16,23,29,0) 55%);
}
.hero-play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: none;
  width: 100%;
}
.hero-play-circle {
  width: 84px; height: 84px;
  border-radius: 50%;
  background: var(--accent);
  display: grid;
  place-items: center;
  box-shadow: 0 0 0 0 rgba(255,107,26,.6);
  animation: pulse 2.6s infinite;
  transition: transform .25s var(--ease);
}
.hero-play:hover .hero-play-circle { transform: scale(1.09); }
.hero-play-circle svg { width: 30px; height: 30px; color: #fff; margin-left: 4px; }
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,107,26,.55); }
  70%  { box-shadow: 0 0 0 22px rgba(255,107,26,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,107,26,0); }
}
.hero-media-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 24px 26px;
}
.hero-media-caption .mono { color: #fff; margin-bottom: 6px; }
.hero-media-caption h4 { color: #fff; font-size: 17px; }

/* 认证条 */
.certs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.cert-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--text-2);
  background: #fff;
  text-transform: uppercase;
}
.cert-chip svg { width: 13px; height: 13px; color: var(--accent-600); }

/* ------------------------------------------------------------- SECTION */
.section-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.sec-head-row .lead { max-width: 640px; }

/* 类别卡（带图） */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(268px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.cat-card {
  background: #fff;
  padding: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: background .25s var(--ease);
}
.cat-card:hover { background: var(--bg-soft); }
.cat-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-alt);
}
.cat-media img {
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform .6s var(--ease);
}
.cat-card:hover .cat-media img { transform: scale(1.04); }
.cat-num {
  position: absolute;
  top: 14px; left: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  padding: 4px 9px;
  background: rgba(10,14,18,.78);
  color: var(--accent);
  border-radius: 2px;
  backdrop-filter: blur(4px);
}
.cat-body { padding: 26px 24px 28px; flex: 1; display: flex; flex-direction: column; }
.cat-body h3 { font-size: 19px; margin-bottom: 10px; }
.cat-body p { font-size: 14px; color: var(--text-2); line-height: 1.68; margin-bottom: 18px; flex: 1; }
.cat-link { font-size: 13px; font-weight: 700; color: var(--accent); display: inline-flex; align-items: center; gap: 7px; }
.cat-link svg { width: 15px; height: 15px; transition: transform .2s; }
.cat-card:hover .cat-link svg { transform: translateX(4px); }

/* 产品卡 */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 26px;
}
.prod-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s;
}
.prod-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-l);
  border-color: var(--line-strong);
}
.prod-media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--bg-alt);
  overflow: hidden;
}
.prod-media img {
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform .6s var(--ease);
}
.prod-card:hover .prod-media img { transform: scale(1.04); }
.prod-badge {
  position: absolute;
  top: 13px; left: 13px;
  padding: 5px 11px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-radius: 2px;
}
.prod-model {
  position: absolute;
  bottom: 13px; right: 13px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .08em;
  color: #fff;
  background: rgba(10,14,18,.8);
  padding: 4px 10px;
  border-radius: 2px;
  backdrop-filter: blur(4px);
}
.prod-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.prod-cat {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 9px;
}
.prod-body h3 { font-size: 17.5px; margin-bottom: 8px; line-height: 1.3; }
.prod-body p {
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.62;
  margin-bottom: 16px;
  flex: 1;
}
.prod-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.spec-pill {
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 4px 8px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--text-2);
}
.prod-foot {
  padding-top: 15px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.prod-foot .link-arrow { font-size: 13px; }

/* ------------------------------------------------------------- 分栏图文 */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 70px;
  align-items: center;
}
.split.reverse > :first-child { order: 2; }
.split-media {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-soft);
  box-shadow: var(--shadow);
}
.split-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.split-media-tag {
  position: absolute;
  left: 0; bottom: 0;
  background: var(--accent);
  color: #fff;
  padding: 11px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-radius: 0 var(--r) 0 0;
}
.section-dark .split-media { box-shadow: var(--shadow); border: 1px solid var(--line); }

/* 特性列表 */
.feature-list { display: grid; gap: 2px; background: var(--line); border: 1px solid var(--line); margin: 28px 0; }
.feature-item {
  background: #fff;
  padding: 18px 20px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.section-dark .feature-list { background: var(--line); border-color: var(--line); }
.section-dark .feature-item { background: #fff; }
.feature-ico {
  width: 26px; height: 26px;
  border-radius: var(--r-sm);
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  flex: none;
  margin-top: 1px;
}
.feature-ico svg { width: 14px; height: 14px; }
.feature-item strong { display: block; font-size: 14.5px; margin-bottom: 3px; }
.feature-item span { font-size: 13.5px; color: var(--text-2); line-height: 1.6; }
.section-dark .feature-item span { color: var(--text-2); }

/* 数字指标 */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.metric { background: #fff; padding: 28px 24px; }
.metric-num {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.metric-label { font-size: 13px; color: var(--text-2); }

/* 流程步骤 */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.step-card {
  position: relative;
  padding: 30px 26px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  border-top: 3px solid var(--accent);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.step-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--accent);
  margin-bottom: 14px;
}
.step-card h4 { margin-bottom: 9px; font-size: 17px; }
.step-card p { font-size: 13.5px; color: var(--text-2); line-height: 1.65; }

/* 车间 / 参观 */
.workshop-grid {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 26px;
}
.ws-main {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-soft);
  min-height: 460px;
}
.ws-main img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.ws-badge {
  position: absolute;
  top: 18px; left: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(10,14,18,.8);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--r-sm);
  backdrop-filter: blur(6px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: #fff;
  text-transform: uppercase;
}
.ws-badge svg { width: 13px; height: 13px; color: var(--accent); }
.ws-list { display: grid; gap: 14px; }
.ws-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  transition: border-color .25s, transform .25s var(--ease);
}
.ws-item:hover { border-color: var(--accent); transform: translateX(4px); }
.ws-item-cap {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--accent);
  margin-bottom: 8px;
}
.ws-item h4 { font-size: 15.5px; margin-bottom: 7px; }
.ws-item p { font-size: 13px; color: var(--text-2); line-height: 1.6; }

/* 客户参观 */
.visit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
  margin: 30px 0;
}
.visit-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 22px 20px;
  display: flex;
  gap: 13px;
  align-items: flex-start;
  transition: background .25s, border-color .25s;
}
.visit-card:hover { background: var(--bg-soft); border-color: var(--accent-line); }
.visit-card svg { width: 20px; height: 20px; color: var(--accent-600); flex: none; margin-top: 2px; }
.visit-card span { font-size: 14px; color: var(--text-2); line-height: 1.55; }

/* 客户 logo 墙 */
.logo-wall {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.logo-cell {
  background: #fff;
  height: 92px;
  display: grid;
  place-items: center;
  padding: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--steel-400);
  text-align: center;
  transition: color .25s, background .25s;
  word-break: break-word;
}
.logo-cell:hover { color: var(--steel-800); background: var(--bg-soft); }

/* 行业网格 */
.ind-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  gap: 22px;
}
.ind-card {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  min-height: 330px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 26px;
  color: #fff;
  isolation: isolate;
}
.ind-card img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: -2;
  transition: transform .7s var(--ease);
}
.ind-card:hover img { transform: scale(1.07); }
.ind-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(0deg, rgba(10,14,18,.94) 8%, rgba(10,14,18,.5) 50%, rgba(10,14,18,.25));
}
.ind-card h3 { color: #fff; margin-bottom: 8px; font-size: 19px; }
.ind-card p { font-size: 13.5px; color: var(--steel-200); line-height: 1.62; margin-bottom: 14px; }
.ind-card .link-arrow { color: var(--accent); }

/* 为什么选我们 */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.why-card {
  background: #fff;
  padding: 32px 26px;
  transition: background .25s;
}
.why-card:hover { background: var(--bg-soft); }
.why-ico {
  width: 44px; height: 44px;
  border-radius: var(--r-sm);
  background: var(--accent-soft);
  color: var(--accent-600);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}
.why-ico svg { width: 21px; height: 21px; }
.why-card h4 { margin-bottom: 9px; font-size: 16px; }
.why-card p { font-size: 13.5px; color: var(--text-2); line-height: 1.65; }
.why-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--text-3);
  margin-bottom: 12px;
}

/* CTA band */
/* CTA —— 深藏青到品牌蓝的渐变，和首屏、页脚同一套深色语言。 */
.cta-band {
  background:
    radial-gradient(ellipse 70% 120% at 88% 10%, rgba(7, 177, 203, .26) 0%, transparent 58%),
    linear-gradient(120deg, #06173f 0%, #08318d 52%, #0d4bb5 100%);
  color: #fff;
  padding: 58px 0;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(126, 200, 235, .09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(126, 200, 235, .09) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 90% 120% at 80% 20%, #000 10%, transparent 70%);
  mask-image: radial-gradient(ellipse 90% 120% at 80% 20%, #000 10%, transparent 70%);
}
.cta-band .wrap { position: relative; z-index: 1; }
.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-band h2 { color: #fff; font-size: clamp(26px, 3vw, 38px); margin-bottom: 10px; }
.cta-band p { color: rgba(255,255,255,.92); font-size: 16px; max-width: 640px; }

/* ------------------------------------------------------------- BREADCRUMB */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-3);
  padding: 18px 0;
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--line-strong); }
.breadcrumb .current { color: var(--text); font-weight: 600; }

/* ------------------------------------------------------------ PAGE HERO */
.page-hero {
  background: var(--bg-tint);
  color: var(--text);
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 100% at 20% 0%, rgba(7,177,203,.12), transparent 60%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='44' height='44'%3E%3Cpath d='M44 0H0v44' fill='none' stroke='%2310171d' stroke-opacity='.05'/%3E%3C/svg%3E");
}
.page-hero-inner { padding: 54px 0 62px; max-width: 860px; }
.page-hero h1 { color: var(--text); font-size: clamp(32px, 4.4vw, 54px); margin-bottom: 16px; }
.page-hero .lead { color: var(--text-2); }

/* ------------------------------------------------------- PRODUCT DETAIL */
.pd-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: 56px;
  align-items: start;
}
.pd-gallery { position: sticky; top: calc(var(--header-h) + 24px); }
.pd-main-img {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  aspect-ratio: 4 / 3;
}
.pd-main-img img {
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}
.pd-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 12px;
}
.pd-thumb {
  border-radius: var(--r);
  overflow: hidden;
  border: 2px solid transparent;
  background: var(--bg-alt);
  aspect-ratio: 4 / 3;
  cursor: pointer;
  transition: border-color .2s, opacity .2s;
  opacity: .62;
}
.pd-thumb img {
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}
.pd-thumb:hover { opacity: .9; }
.pd-thumb.active { border-color: var(--accent); opacity: 1; }

.pd-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 12px;
}
.pd-model {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--accent);
}
.pd-badge {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 5px 11px;
  background: var(--accent-soft);
  color: var(--accent-700);
  border: 1px solid var(--accent-line);
  border-radius: 2px;
  white-space: nowrap;
}
.pd-head h1 { font-size: clamp(26px, 3.2vw, 40px); margin-bottom: 12px; }
.pd-tagline {
  font-size: 16px;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 20px;
}
.pd-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 22px;
}
.pd-meta-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-2); }
.pd-meta-item svg { width: 15px; height: 15px; color: var(--accent); flex: none; }

/* 设备类型说明 + 买家常用的其它说法（关键词标签）。
   这两行以前没有样式，标签是裸的文字串，挤在一起很难看。 */
.pd-kw-line {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
  background: var(--bg-soft, #f6f8fa);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--r-sm, 6px) var(--r-sm, 6px) 0;
  padding: 12px 16px;
  margin-bottom: 14px;
}
.pd-kw-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.pd-kw-tag {
  display: inline-flex;
  align-items: center;
  font-size: 12.5px;
  line-height: 1;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text-2);
  text-decoration: none;
  white-space: nowrap;
}
a.pd-kw-tag:hover {
  border-color: var(--accent);
  color: var(--accent-700);
  background: var(--accent-soft);
}
/* 站长自己填的关键词 */
.pd-kw-tag.own {
  border-color: var(--accent);
  color: var(--accent-700);
  background: var(--accent-soft);
  font-weight: 600;
}
/* 买家常用的其它说法（Labler / Filling Machine …） */
.pd-kw-tag.alias {
  border-style: dashed;
  color: var(--text-1);
  background: var(--bg-soft, #f6f8fa);
  font-weight: 600;
}

/* 参数表 */
.spec-table {
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  margin-bottom: 20px;
}
.spec-table-title {
  background: var(--steel-900);
  color: #fff;
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}
.spec-table-title .mono { color: var(--steel-400); margin-left: auto; font-size: 10.5px; }
.spec-table-title svg { width: 16px; height: 16px; color: var(--accent); }
.spec-table table { font-size: 13.5px; }
.spec-table tr:nth-child(odd) { background: var(--bg-soft); }
.spec-table tr + tr td { border-top: 1px solid var(--line); }
.spec-table td { padding: 12px 20px; vertical-align: top; }
.spec-table td:first-child {
  width: 42%;
  font-weight: 600;
  color: var(--text);
  background: rgba(0,0,0,.015);
}
.spec-table td:last-child { color: var(--text-2); font-family: var(--font-mono); font-size: 12.5px; }
.spec-table-title .mono { color: var(--steel-400); margin-left: auto; font-size: 10.5px; }

.pd-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 15px 17px;
  background: var(--bg-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--r) var(--r) 0;
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
}
.pd-note svg { width: 17px; height: 17px; color: var(--accent); flex: none; margin-top: 2px; }

/* 锚点导航 */
.pd-anchor {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 5px;
  margin-bottom: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
}
.pd-anchor::-webkit-scrollbar { display: none; }
.pd-anchor a {
  padding: 9px 11px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-2);
  border-radius: var(--r-sm);
  transition: background .2s, color .2s;
  white-space: nowrap;
}
.pd-anchor a:hover { background: var(--accent-soft); color: var(--accent-700); }

/* 产品区块 */
.pd-block { margin-bottom: 46px; scroll-margin-top: calc(var(--header-h) + 24px); }
.pd-block-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--steel-900);
}
.pd-block-title::before {
  content: "";
  width: 4px; height: 22px;
  background: var(--accent);
  border-radius: 1px;
}
.pd-block-title .mono { margin-left: auto; }

.feature-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}
.feature-box {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  padding: 17px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  transition: border-color .22s, box-shadow .22s;
}
.feature-box:hover { border-color: var(--accent-line); box-shadow: var(--shadow-s); }
.feature-box .feature-ico { margin-top: 0; }
.feature-box p { font-size: 13.5px; color: var(--text-2); line-height: 1.6; }

/* 应用场景标签 */
.app-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.app-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 16px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--r);
  font-size: 13.5px;
  color: var(--text-2);
  transition: background .2s, border-color .2s, color .2s;
}
.app-tag:hover { background: var(--accent-soft); border-color: var(--accent-line); color: var(--accent-700); }
.app-tag svg { width: 15px; height: 15px; color: var(--accent); flex: none; }

/* 下载列表 */
.dl-list { display: grid; gap: 10px; }
.dl-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  transition: border-color .2s, background .2s;
}
.dl-item:hover { border-color: var(--accent); background: var(--bg-soft); }
.dl-ico {
  width: 38px; height: 38px;
  border-radius: var(--r-sm);
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  flex: none;
}
.dl-ico svg { width: 18px; height: 18px; }
.dl-text { flex: 1; }
.dl-text strong { display: block; font-size: 14px; }
.dl-text span { font-size: 12px; color: var(--text-3); }
.dl-arrow { width: 18px; height: 18px; color: var(--steel-400); flex: none; }

/* FAQ */
.faq-list { display: grid; gap: 10px; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  background: #fff;
  transition: border-color .2s;
}
.faq-item.open { border-color: var(--accent-line); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  text-align: left;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  transition: background .2s;
}
.faq-q:hover { background: var(--bg-soft); }
.faq-q svg { width: 18px; height: 18px; color: var(--accent); flex: none; transition: transform .3s var(--ease); }
.faq-item.open .faq-q svg { transform: rotate(180deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .32s var(--ease);
}
.faq-a-inner {
  padding: 0 20px 20px;
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.75;
}

/* 询价侧栏 */
.pd-inquiry {
  background: var(--bg-tint);
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  padding: 28px;
  margin-top: 28px;
  position: relative;
  overflow: hidden;
}
.pd-inquiry::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
}
.pd-inquiry h3 { color: var(--text); font-size: 19px; margin-bottom: 10px; }
.pd-inquiry p { font-size: 13.5px; color: var(--text-2); line-height: 1.62; margin-bottom: 20px; }
.pd-inquiry .btn { width: 100%; }

/* ------------------------------------------------------------ 博客列表 */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 26px;
}
.blog-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease);
}
.blog-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-l); }
.blog-media { aspect-ratio: 16 / 9; background: var(--bg-soft); overflow: hidden; }
.blog-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.blog-card:hover .blog-media img { transform: scale(1.05); }
.blog-body { padding: 22px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--text-3);
  margin-bottom: 11px;
}
.blog-cat { color: var(--accent); font-weight: 700; }
.blog-body h3 { font-size: 17.5px; line-height: 1.35; margin-bottom: 10px; }
.blog-body p { font-size: 13.5px; color: var(--text-2); line-height: 1.65; margin-bottom: 18px; flex: 1; }

/* 文章页 */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 56px;
  align-items: start;
}
.article-body { font-size: 16px; line-height: 1.85; color: var(--text-2); }
.article-body p { margin-bottom: 22px; }
.article-body h2 {
  font-size: 25px;
  color: var(--text);
  margin: 40px 0 18px;
  padding-left: 16px;
  border-left: 3px solid var(--accent);
}
.article-body blockquote {
  margin: 32px 0;
  padding: 24px 28px;
  background: var(--bg-tint);
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.6;
  position: relative;
  font-style: italic;
}
.article-body blockquote::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
  border-radius: var(--r) 0 0 var(--r);
}
.article-side { position: sticky; top: calc(var(--header-h) + 24px); }
.side-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 24px;
  margin-bottom: 20px;
}
.side-card h4 {
  font-size: 15px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.side-list li {
  padding: 9px 0;
  font-size: 13.5px;
  color: var(--text-2);
  border-bottom: 1px solid var(--bg-alt);
}
.side-list li:last-child { border-bottom: 0; }
.side-list a:hover { color: var(--accent); }
.side-list .cur { color: var(--accent); font-weight: 600; }
.side-contact { background: var(--bg-tint); color: var(--text); border-color: var(--line-strong); }
.side-contact h4 { color: var(--text); border-color: var(--line-strong); }
.side-contact p { font-size: 13px; color: var(--text-2); margin-bottom: 16px; }
.social-row { display: flex; gap: 8px; flex-wrap: wrap; }
.social-btn {
  width: 34px; height: 34px;
  border-radius: var(--r-sm);
  background: #fff;
  border: 1px solid var(--line-strong);
  color: var(--text-2);
  display: grid;
  place-items: center;
  transition: background .2s, color .2s;
}
.social-btn:hover { background: var(--accent); color: #fff; }
.social-btn svg { width: 15px; height: 15px; }

/* -------------------------------------------------------------- 联系页 */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 56px;
  align-items: start;
}
.channel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 30px;
}
.channel-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 20px;
  transition: border-color .22s, box-shadow .22s, transform .22s var(--ease);
}
.channel-card:hover { border-color: var(--accent); box-shadow: var(--shadow-s); transform: translateY(-3px); }
.channel-ico {
  width: 38px; height: 38px;
  border-radius: var(--r-sm);
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  margin-bottom: 13px;
}
.channel-ico svg { width: 18px; height: 18px; }
.channel-card h4 { font-size: 14px; margin-bottom: 6px; color: var(--text-3); font-weight: 600; }
.channel-card .val {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 5px;
  word-break: break-word;
}
.channel-card .sub { font-size: 12.5px; color: var(--text-3); }

.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 34px;
  box-shadow: var(--shadow);
}
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-2);
  letter-spacing: .02em;
}
.field label .req { color: var(--accent); }
.field input, .field select, .field textarea {
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  font-size: 14px;
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field textarea { resize: vertical; min-height: 128px; line-height: 1.65; }
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2374838f' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  padding-right: 38px;
}
.form-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 22px;
}
.form-note { font-size: 12.5px; color: var(--text-3); max-width: 340px; }
.form-success {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  background: rgba(53, 196, 107, .1);
  border: 1px solid rgba(53, 196, 107, .35);
  border-radius: var(--r);
  font-size: 14px;
  color: #1d7a42;
  margin-bottom: 20px;
}
.form-success.show { display: flex; }
.form-success svg { width: 19px; height: 19px; flex: none; }

.map-panel {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-tint);
  position: relative;
  aspect-ratio: 16 / 9;
}
.map-panel img { width: 100%; height: 100%; object-fit: cover; }
.map-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(255,255,255,.96), rgba(255,255,255,.55));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 26px;
  color: #fff;
}
.map-overlay h4 { color: var(--text); margin-bottom: 6px; }
.map-overlay p { font-size: 13.5px; color: var(--text-2); margin-bottom: 14px; }

/* -------------------------------------------------------------- 关于页 */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 8px; top: 8px; bottom: 8px;
  width: 2px;
  background: var(--line);
}
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -32px; top: 4px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent-line);
}
.section-dark .tl-item::before { border-color: var(--bg-tint); }
.tl-year {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--accent);
  margin-bottom: 5px;
}
.tl-item h4 { font-size: 16.5px; margin-bottom: 6px; }
.tl-item p { font-size: 13.5px; color: var(--text-2); line-height: 1.65; }
.section-dark .tl-item p { color: var(--text-2); }

.cap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.cap-cell { background: #fff; padding: 26px 22px; }
.cap-value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
  margin-bottom: 7px;
}
.cap-label { font-size: 13px; color: var(--text-2); }

.qc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  counter-reset: qc;
}
.qc-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px 24px;
  position: relative;
  transition: transform .25s var(--ease), box-shadow .25s;
}
.qc-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.qc-card::after {
  counter-increment: qc;
  content: "0" counter(qc);
  position: absolute;
  top: 18px; right: 20px;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--bg-alt);
  line-height: 1;
}
.qc-card h4 { font-size: 16px; margin-bottom: 9px; }
.qc-card p { font-size: 13.5px; color: var(--text-2); line-height: 1.65; }

.cert-row { display: flex; flex-wrap: wrap; gap: 12px; }
.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-2);
  transition: border-color .2s, background .2s;
}
.cert-badge:hover { border-color: var(--accent); background: var(--accent-soft); }
.cert-badge svg { width: 16px; height: 16px; color: var(--accent-600); }

/* -------------------------------------------------------------- 筛选栏 */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
}
.filter-tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.filter-tab {
  padding: 9px 17px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-2);
  border-radius: var(--r-sm);
  transition: background .2s, color .2s;
}
.filter-tab:hover { background: var(--bg-soft); color: var(--text); }
.filter-tab.active { background: var(--steel-900); color: #fff; }
.filter-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: .08em;
}

.search-box { position: relative; }
.search-box input {
  padding: 10px 14px 10px 40px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  font-size: 13.5px;
  width: 240px;
  transition: border-color .2s, box-shadow .2s;
}
.search-box input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.search-box svg {
  position: absolute;
  left: 13px; top: 50%;
  transform: translateY(-50%);
  width: 16px; height: 16px;
  color: var(--text-3);
  pointer-events: none;
}

/* ------------------------------------------------------------- 页脚 */
/* 页脚 —— 深藏青。
   这是全站最重的一块颜色，放在最后收尾，稳而不闷；
   浅色内容区看完之后眼睛落到深底上，站得住。 */
.site-footer {
  background:
    radial-gradient(ellipse 60% 100% at 88% 0%, rgba(13, 79, 181, .34) 0%, transparent 60%),
    linear-gradient(180deg, #08265e 0%, #06173f 100%);
  color: rgba(255, 255, 255, .70);
  font-size: 14px;
  position: relative;
  border-top: 1px solid rgba(126, 200, 235, .18);
}
/* 页脚的网格底纹 —— 和首屏同一套语言 */
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(126, 200, 235, .055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(126, 200, 235, .055) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 62%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 62%);
}
.site-footer > * { position: relative; z-index: 1; }


.footer-top {
  padding: 68px 0 52px;
  border-bottom: 1px solid var(--line-strong);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: 44px;
}
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-sub { color: rgba(255,255,255,.58); }
.footer-about {
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(255,255,255,.68);
  margin-bottom: 24px;
  max-width: 340px;
}
/* 页脚里的公司全称 */
.footer-company {
  font-size: 13px;
  font-weight: 700;
  line-height: 1.55;
  color: #fff;
  margin: -12px 0 20px;
  max-width: 340px;
  letter-spacing: .01em;
}
.footer h5 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 20px;
  padding-bottom: 11px;
  position: relative;
}
.footer h5::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 26px; height: 2px;
  background: var(--accent);
}
.footer-links li { margin-bottom: 11px; }
.footer-links a {
  font-size: 13.5px;
  color: var(--text-2);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color .2s, gap .2s;
}
.footer-links a::before {
  content: "";
  width: 0; height: 1px;
  background: var(--accent);
  transition: width .2s var(--ease);
}
.footer-links a:hover { color: var(--accent-600); }
.footer-links a:hover::before { width: 10px; }

.footer-contact li {
  display: flex;
  gap: 11px;
  margin-bottom: 15px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-2);
}
.footer-contact svg { width: 16px; height: 16px; color: var(--accent-600); flex: none; margin-top: 3px; }
.footer-contact a:hover { color: var(--accent-600); }

/* Catalog 块 */
.footer-catalog {
  margin-top: 24px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
}
.footer-catalog .mono { color: var(--accent-600); margin-bottom: 8px; }
.footer-catalog p { font-size: 13px; color: var(--text-2); margin-bottom: 14px; line-height: 1.6; }
.footer-catalog .btn { width: 100%; }
.catalog-mini {
  display: block;
  text-align: center;
  font-size: 12.5px;
  color: var(--text-2);
  margin-top: 11px;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.catalog-mini:hover { color: var(--accent-600); }

/* 订阅 */
.newsletter-form { display: flex; gap: 8px; margin-top: 14px; }
.newsletter-form input {
  flex: 1;
  min-width: 0;
  padding: 11px 13px;
  border: 1px solid var(--line-strong);
  background: #fff;
  border-radius: var(--r-sm);
  font-size: 13.5px;
  color: var(--text);
  transition: border-color .2s;
}
.newsletter-form input::placeholder { color: var(--text-3); }
.newsletter-form input:focus { outline: none; border-color: var(--accent); }
.newsletter-form button {
  padding: 11px 18px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 700;
  flex: none;
  transition: background .2s;
}
.newsletter-form button:hover { background: var(--accent-600); }

.footer-social { display: flex; gap: 8px; margin-top: 22px; flex-wrap: wrap; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: var(--r-sm);
  background: #fff;
  border: 1px solid var(--line-strong);
  color: var(--text-2);
  display: grid;
  place-items: center;
  transition: background .2s, color .2s, transform .2s var(--ease);
}
.footer-social a:hover { background: var(--accent); color: #fff; transform: translateY(-3px); }
.footer-social svg { width: 16px; height: 16px; }

.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid var(--line-strong);
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--text-3);
}
.footer-legal { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-legal a:hover { color: var(--accent-600); }
.footer-made { font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em; }

/* --------------------------------------------------------- 悬浮按钮 */
.float-bar {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 950;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}
.float-btn {
  width: 54px; height: 54px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 6px 20px rgba(16,23,29,.24);
  transition: transform .24s var(--ease), box-shadow .24s var(--ease);
  position: relative;
  border: 0;
}
.float-btn:hover { transform: translateY(-4px) scale(1.05); }
.float-btn svg { width: 26px; height: 26px; }
.float-btn.wa { background: #25d366; color: #fff; }
.float-btn.wa:hover { box-shadow: 0 10px 26px rgba(37,211,102,.4); }
.float-btn.wx { background: var(--accent); color: #fff; }
.float-btn.wx:hover { box-shadow: 0 10px 26px rgba(255,107,26,.4); }
.float-btn.top { background: var(--steel-900); color: #fff; width: 44px; height: 44px; }
.float-btn.top svg { width: 20px; height: 20px; }
.float-btn.top:hover { background: var(--accent); }

.float-tip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: var(--steel-900);
  color: #fff;
  padding: 8px 14px;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s var(--ease), transform .22s var(--ease);
  box-shadow: var(--shadow);
}
.float-btn:hover .float-tip { opacity: 1; transform: translateY(-50%) translateX(0); }

/* 微信弹窗 */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10,14,18,.72);
  backdrop-filter: blur(4px);
  z-index: 980;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s var(--ease), visibility .25s;
}
.modal-backdrop.open { opacity: 1; visibility: visible; }
.modal {
  background: #fff;
  border-radius: var(--r-lg);
  padding: 36px;
  max-width: 400px;
  width: 100%;
  text-align: center;
  position: relative;
  transform: translateY(16px) scale(.97);
  transition: transform .28s var(--ease);
  box-shadow: var(--shadow-l);
}
.modal-backdrop.open .modal { transform: translateY(0) scale(1); }
.modal-close {
  position: absolute;
  top: 14px; right: 14px;
  width: 32px; height: 32px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  color: var(--text-3);
  transition: background .2s, color .2s;
}
.modal-close:hover { background: var(--bg-soft); color: var(--text); }
.modal-close svg { width: 18px; height: 18px; }
.modal h3 { margin-bottom: 10px; font-size: 20px; }
.modal p { font-size: 14px; color: var(--text-2); line-height: 1.65; margin-bottom: 20px; }
.qr-wrap {
  width: 210px; height: 210px;
  margin: 0 auto 18px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 8px;
  background: #fff;
}
.qr-wrap img { width: 100%; height: 100%; }
.modal-id {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-2);
  padding: 9px 16px;
  background: var(--bg-soft);
  border-radius: var(--r-sm);
  display: inline-block;
  margin-bottom: 18px;
}
.modal-id b { color: var(--accent); }

/* ---------------------------------------------------- 页面横幅 page-banner */
.page-banner {
  position: relative;
  padding: 92px 0 88px;
  background: var(--navy-900);
  overflow: hidden;
  isolation: isolate;
}
.page-banner.pb-soft { background: var(--bg-soft); }
.page-banner.pb-tint { background: var(--bg-tint); }
.page-banner-bg { position: absolute; inset: 0; z-index: -2; }
.page-banner-bg img { width: 100%; height: 100%; object-fit: cover; }
.page-banner-veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(100deg, rgba(10,14,18,.9) 0%, rgba(10,14,18,.72) 45%, rgba(10,14,18,.42) 100%);
}
.page-banner-inner { max-width: 880px; }
.page-banner-inner .eyebrow { color: var(--accent); margin-bottom: 14px; }
.page-banner-inner h1 {
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.14;
  letter-spacing: -0.022em;
  color: #fff;
  margin-bottom: 18px;
}
.page-banner.pb-soft .page-banner-inner h1,
.page-banner.pb-tint .page-banner-inner h1 { color: var(--text); }
.page-banner-inner .lead {
  font-size: clamp(15px, 1.5vw, 17.5px);
  line-height: 1.7;
  color: var(--steel-200);
  max-width: 720px;
}
.page-banner.pb-soft .page-banner-inner .lead,
.page-banner.pb-tint .page-banner-inner .lead { color: var(--text-2); }

/* ------------------------------------------------------ 图文卡片 feature-grid */
.fg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 22px;
}
.fg-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.fg-card:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }
.fg-media { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--bg-soft); }
.fg-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.fg-card:hover .fg-media img { transform: scale(1.05); }
.fg-cap {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(10,14,18,.78);
  color: #fff;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .04em;
}
.fg-cap-inline {
  position: static;
  display: inline-block;
  margin-bottom: 10px;
  background: var(--bg-tint);
  color: var(--accent);
}
.fg-body { padding: 22px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.fg-body h3 { font-size: 17.5px; margin-bottom: 9px; }
.fg-body p { font-size: 13.8px; line-height: 1.66; color: var(--text-2); margin-bottom: 12px; }
.fg-body .link-arrow { margin-top: auto; }

/* ------------------------------------------------------ 联系卡片 contact-info */
.ci-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

/* 联系人卡片 —— 姓名、职位、电话、邮箱，都由后台填写 */
.cp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
}
.cp-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px 26px;
  transition: border-color .28s var(--ease), box-shadow .28s var(--ease),
              transform .28s var(--ease);
}
.cp-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.cp-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.cp-ico {
  width: 46px; height: 46px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: var(--r);
  background: var(--accent-grad);
  color: #fff;
}
.cp-name {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
  line-height: 1.25;
}
.cp-role {
  font-size: 13.5px;
  color: var(--text-3);
  margin-top: 2px;
}
.cp-note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
  margin-bottom: 16px;
}
.cp-links {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.cp-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-2);
  transition: color .2s var(--ease);
}
.cp-link svg { flex: none; color: var(--accent); }
.cp-link:hover { color: var(--accent); }
.cp-link span { word-break: break-all; }

/* 深底上翻成浅色 */
.section-deep .cp-card {
  background: rgba(255, 255, 255, .055);
  border-color: rgba(255, 255, 255, .12);
}
.section-deep .cp-name { color: #fff; }
.section-deep .cp-role,
.section-deep .cp-note,
.section-deep .cp-link { color: rgba(255, 255, 255, .70); }
.section-deep .cp-links { border-top-color: rgba(255, 255, 255, .12); }
.section-deep .cp-link svg { color: var(--cyan-300); }
.section-deep .cp-link:hover { color: var(--cyan-300); }
.ci-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  text-align: center;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.ci-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.ci-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--bg-tint);
  color: var(--accent);
  margin-bottom: 16px;
}
.ci-card h3 { font-size: 16.5px; margin-bottom: 8px; }
.ci-card p { font-size: 14px; line-height: 1.65; color: var(--text-2); word-break: break-word; }

/* ------------------------------------------------------ 设施网格 facility-grid */
.fac-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
}
.fac-item {
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.fac-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  background: var(--bg-soft);
}
.fac-item figcaption { padding: 20px 22px 22px; }
.fac-item figcaption h3 { font-size: 17px; margin-bottom: 8px; }
.fac-item figcaption p { font-size: 13.6px; line-height: 1.64; color: var(--text-2); }

/* ------------------------------------------- 产品线分区 product-lines */
.line-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding-bottom: 22px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--line);
}
.line-tab {
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-2);
  background: #fff;
  transition: border-color .25s var(--ease), color .25s var(--ease),
              background .25s var(--ease);
}
.line-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.line-block {
  padding-bottom: 46px;
  margin-bottom: 46px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 20px);
}
.line-block:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}
.line-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.line-head h3 {
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: -0.015em;
  margin-bottom: 7px;
}
.line-head p {
  font-size: 14px;
  color: var(--text-2);
  max-width: 620px;
  line-height: 1.65;
}
.line-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}
.line-count {
  font-size: 12.5px;
  color: var(--text-3);
  font-family: var(--font-mono, monospace);
}

/* 分类胶囊 */
.line-cats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.line-cat {
  padding: 7px 15px;
  border-radius: var(--r-sm);
  background: var(--bg-soft);
  border: 1px solid transparent;
  font-size: 13px;
  color: var(--text-2);
  transition: border-color .22s var(--ease), color .22s var(--ease);
}
.line-cat:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* 代表机型 */
/* The column count is set by the carousel rule further down.  This
   base rule must not declare grid-template-columns: together with
   grid-auto-flow: column the two fight, one column per card is
   created, and the first few collapse to zero width. */
.line-models {
  display: grid;
  gap: 18px;
}
.line-model {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color .28s var(--ease), box-shadow .28s var(--ease),
              transform .28s var(--ease);
}
.line-model:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.line-model-media {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--bg-soft);
  overflow: hidden;
}
.line-model-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .65s var(--ease);
}
.line-model:hover .line-model-media img { transform: scale(1.05); }
.line-model-badge {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(10, 14, 18, .8);
  color: #fff;
  font-size: 11.5px;
  font-weight: 600;
  font-family: var(--font-mono, monospace);
  letter-spacing: .03em;
}
.line-model-body {
  padding: 15px 17px 17px;
  /* The card stretches to the tallest one in the row.  Pushing the
     parameter pill to the bottom keeps the row looking aligned
     instead of leaving a hole under the shorter titles. */
  flex: 1;
  display: flex;
  flex-direction: column;
}
.line-model-body .spec-pill {
  align-self: flex-start;
  margin-top: auto;
}
.line-model-body h4 {
  font-size: 14.5px;
  line-height: 1.45;
  margin-bottom: 9px;
  color: var(--text);
}
.line-model-body .spec-pill { font-size: 11.5px; }


.video-modal .modal { max-width: 980px; padding: 0; overflow: hidden; background: #000; }
.video-modal .modal video { width: 100%; display: block; aspect-ratio: 16/9; background: #000; }
.video-modal .modal-close { z-index: 2; background: rgba(0,0,0,.5); color: #fff; }
.video-modal .modal-close:hover { background: var(--accent); }

/* 未配置视频源时的降级展示：封面图 + 说明 + 询价入口 */
.video-placeholder { position: relative; }
.video-placeholder img { width: 100%; display: block; aspect-ratio: 16/9; object-fit: cover; }
.video-placeholder-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 40px 32px;
  text-align: center;
  color: #fff;
  background: linear-gradient(180deg, rgba(10,14,18,.62), rgba(10,14,18,.88));
}
.video-placeholder-text strong { font-size: 22px; font-weight: 700; letter-spacing: -0.01em; }
.video-placeholder-text span { max-width: 560px; font-size: 14.5px; line-height: 1.65; color: var(--steel-200); }
.video-placeholder-text .btn { margin-top: 4px; }

/* --------------------------------------------------------- 滚动动效 */
/* 滚动入场动画。
   默认状态为「可见」，仅当 JS 成功给 <html> 加上 .js-reveal 后才启用隐藏态。
   这样即使脚本加载失败或被拦截，内容也永远不会被藏起来。 */
.js-reveal .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.js-reveal .reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; }
.reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; }
.reveal-d4 { transition-delay: .32s; }
.reveal-d5 { transition-delay: .4s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .js-reveal .reveal { opacity: 1 !important; transform: none !important; }
}

/* ------------------------------------------------------------- 响应式 */
@media (max-width: 1180px) {
  .dropdown { min-width: 480px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 1024px) {
  :root { --gut: 22px; }
  .hero-inner { grid-template-columns: 1fr; gap: 44px; padding: 64px 0 72px; min-height: 0; }
  .hero-visual { max-width: 620px; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split.reverse > :first-child { order: 0; }
  .pd-layout { grid-template-columns: 1fr; gap: 40px; }
  .pd-gallery { position: static; }
  .article-layout { grid-template-columns: 1fr; gap: 36px; }
  .article-side { position: static; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .workshop-grid { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
}

@media (max-width: 900px) {
  .main-nav, .header-actions .btn { display: none; }
  .nav-toggle { display: grid; }
  .mobile-nav { display: block; }
  .lang-switch { display: none; }
  .topbar-items span.tb-hide { display: none; }
  .header-inner { gap: 14px; }
}

@media (max-width: 640px) {
  :root { --gut: 18px; --header-h: 64px; }
  body { font-size: 15px; }
  .section { padding: 56px 0; }
  .section-sm { padding: 44px 0; }
  .topbar .wrap { height: 34px; }
  .topbar { font-size: 11.5px; }
  .topbar-item.tb-hide { display: none; }
  .hero-inner { padding: 46px 0 56px; }
  .hero-strip { flex-wrap: wrap; }
  .hero-strip-item { flex: 1 1 50%; border-bottom: 1px solid rgba(255,255,255,.08); }
  .form-grid { grid-template-columns: 1fr; }
  .form-card { padding: 24px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .pd-thumbs { grid-template-columns: repeat(4, 1fr); gap: 7px; }
  .float-bar { right: 14px; bottom: 14px; gap: 10px; }
  .float-btn { width: 48px; height: 48px; }
  .float-btn svg { width: 23px; height: 23px; }
  .float-btn.top { width: 40px; height: 40px; }
  .float-tip { display: none; }
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .cta-band { padding: 42px 0; }
  .modal { padding: 28px 20px; }
  .qr-wrap { width: 180px; height: 180px; }
  .article-body h2 { font-size: 21px; }
  .pd-anchor { position: static; overflow-x: auto; flex-wrap: nowrap; }
  .pd-anchor a { white-space: nowrap; }
}

/* --------------------------------------------------------------- 打印 */
@media print {
  .site-header, .topbar, .float-bar, .mobile-nav, .site-footer { display: none !important; }
  body { color: #000; }
  .spec-table tr:nth-child(odd) { background: #f5f5f5; }
}

/* --------------------------------------------------------- 通用工具类 */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; } .mt-5 { margin-top: 48px; }
.mb-0 { margin-bottom: 0 !important; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; } .mb-5 { margin-bottom: 48px; }
.hidden { display: none !important; }
.flex { display: flex; } .between { justify-content: space-between; } .center { align-items: center; }
.gap-1 { gap: 8px; } .gap-2 { gap: 16px; } .gap-3 { gap: 24px; }
.wrap-flex { flex-wrap: wrap; }

/* ============================================================ 视频展示模块 */
.video-feature { background: var(--bg-soft); }

.video-feature-grid {
  display: grid;
  grid-template-columns: 1.5fr .85fr;
  gap: 52px;
  align-items: center;
}

.video-frame {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line-strong);
  aspect-ratio: 16 / 9;
  box-shadow: var(--shadow-l);
}
.video-frame img { width: 100%; height: 100%; object-fit: cover; }
.video-frame-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(16,23,29,.72), rgba(16,23,29,.05) 58%);
}

.video-frame-play {
  position: absolute;
  inset: 0;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 34px;
  text-align: left;
}
.video-frame-circle {
  width: 76px; height: 76px;
  border-radius: 50%;
  background: var(--accent);
  display: grid;
  place-items: center;
  flex: none;
  box-shadow: 0 0 0 0 rgba(255,107,26,.55);
  animation: pulse 2.6s infinite;
  transition: transform .25s var(--ease);
}
.video-frame-circle svg { width: 28px; height: 28px; color: #fff; margin-left: 4px; }
.video-frame-play:hover .video-frame-circle { transform: scale(1.08); }

.video-frame-label { display: flex; flex-direction: column; gap: 6px; }
.video-frame-label .mono { color: var(--accent); }
.video-frame-label strong { color: #fff; font-size: 19px; font-weight: 800; }

.video-list { margin: 24px 0; display: grid; gap: 0; }
.video-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.video-list li:last-child { border-bottom: 0; }
.video-list-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--accent);
  width: 26px;
  flex: none;
}
.video-list-text { font-size: 15px; font-weight: 600; color: var(--text); }

@media (max-width: 1024px) {
  .video-feature-grid { grid-template-columns: 1fr; gap: 34px; }
}

/* ====================================================== RTL (阿拉伯语) 支持 */
[dir="rtl"] {
  text-align: right;
}

[dir="rtl"] body { font-family: "Noto Sans Arabic", "Inter", "Segoe UI", Tahoma, sans-serif; }

/* 数字与型号保持 LTR */
[dir="rtl"] .mono,
[dir="rtl"] .prod-model,
[dir="rtl"] .pd-model,
[dir="rtl"] .pd-badge,
[dir="rtl"] .spec-pill,
[dir="rtl"] .spec-table td:last-child,
[dir="rtl"] .hero-strip-num,
[dir="rtl"] .metric-num,
[dir="rtl"] .cap-value,
[dir="rtl"] .tl-year,
[dir="rtl"] .step-num,
[dir="rtl"] .cat-num,
[dir="rtl"] .blog-meta,
[dir="rtl"] .spec-pill,
[dir="rtl"] .dl-text span {
  direction: ltr;
  unicode-bidi: embed;
}

/* 方向性图标翻转 */
[dir="rtl"] .link-arrow svg,
[dir="rtl"] .cat-link svg,
[dir="rtl"] .float-tip + svg,
[dir="rtl"] .btn svg.arrow,
[dir="rtl"] .app-tag svg,
[dir="rtl"] .dd-link svg {
  transform: scaleX(-1);
}
[dir="rtl"] .link-arrow:hover svg { transform: scaleX(-1) translateX(3px); }

/* 布局方向 */
[dir="rtl"] .eyebrow { flex-direction: row-reverse; }
[dir="rtl"] .eyebrow::before { order: 2; }
[dir="rtl"] .topbar .wrap,
[dir="rtl"] .header-inner,
[dir="rtl"] .sec-head-row,
[dir="rtl"] .hero-strip,
[dir="rtl"] .footer-bottom-inner,
[dir="rtl"] .form-foot,
[dir="rtl"] .cta-band-inner { flex-direction: row-reverse; }
[dir="rtl"] .main-nav { margin-left: 0; margin-right: auto; }
[dir="rtl"] .nav-link::after { left: 15px; right: 15px; transform-origin: right; }
[dir="rtl"] .split.reverse > :first-child { order: 0; }
[dir="rtl"] .dropdown { left: auto; right: 0; }
[dir="rtl"] .dd-link:hover { padding-left: 9px; padding-right: 14px; }
[dir="rtl"] .feature-item { text-align: right; }
[dir="rtl"] .float-bar { right: auto; left: 22px; align-items: flex-start; }
[dir="rtl"] .float-tip {
  right: auto;
  left: calc(100% + 12px);
  transform: translateY(-50%) translateX(-8px);
}
[dir="rtl"] .float-btn:hover .float-tip { transform: translateY(-50%) translateX(0); }
[dir="rtl"] .timeline { padding-left: 0; padding-right: 34px; }
[dir="rtl"] .timeline::before { left: auto; right: 8px; }
[dir="rtl"] .tl-item::before { left: auto; right: -32px; }
[dir="rtl"] .spec-table td:first-child { text-align: right; }
[dir="rtl"] .article-body h2 {
  padding-left: 0;
  padding-right: 16px;
  border-left: 0;
  border-right: 3px solid var(--accent);
}
[dir="rtl"] .article-body blockquote::before { left: auto; right: 0; border-radius: 0 var(--r) var(--r) 0; }
[dir="rtl"] .pd-note { border-left: 0; border-right: 3px solid var(--accent); border-radius: var(--r) 0 0 var(--r); }
[dir="rtl"] .pd-block-title::before { order: 2; }
[dir="rtl"] .pd-block-title { flex-direction: row-reverse; }
[dir="rtl"] .footer h5::after { right: auto; left: 0; }
[dir="rtl"] .newsletter-form { flex-direction: row-reverse; }
[dir="rtl"] .video-frame-play { text-align: right; }
[dir="rtl"] .video-frame-circle svg { margin-left: 0; margin-right: 4px; }
[dir="rtl"] .ws-item:hover { transform: translateX(-4px); }
[dir="rtl"] .app-tag svg { order: 2; }
[dir="rtl"] .hero-media-caption { text-align: right; }
[dir="rtl"] .modal-id { direction: ltr; }
[dir="rtl"] .page-hero .breadcrumb { direction: rtl; }

@media (max-width: 640px) {
  [dir="rtl"] .float-bar { left: 14px; }
}

/* ==================================================================== */
/*  新增区块样式：能力矩阵 / 交付案例表 / 服务保障 / 首页 FAQ          */
/* ==================================================================== */

/* ---------------------------------------------------------------- 标题行 */
.sec-head-aside {
  max-width: 460px;
  flex: none;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.75;
}
@media (max-width: 900px) {
  .sec-head-aside { max-width: none; margin-top: 14px; }
}

/* ------------------------------------------------------- 能力矩阵（3列） */
.cap-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.cap3-card {
  background: #fff;
  padding: 32px 28px 30px;
  position: relative;
  transition: background .25s var(--ease);
}
.cap3-card:hover { background: var(--bg-soft); }
.cap3-ico {
  width: 44px; height: 44px;
  border-radius: var(--r-sm);
  background: var(--accent-soft);
  color: var(--accent-600);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}
.cap3-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -.01em;
}
.cap3-card p {
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-2);
}
.cap3-num {
  position: absolute;
  top: 22px; right: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--steel-300);
}
@media (max-width: 1024px) { .cap-grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .cap-grid-3 { grid-template-columns: 1fr; } }

/* --------------------------------------------------------- 交付案例表格 */
.deliver-table-wrap {
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  overflow-x: auto;
  background: #fff;
}
.deliver-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 14px;
}
.deliver-table thead th {
  background: var(--steel-900);
  color: #fff;
  text-align: left;
  padding: 13px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  white-space: nowrap;
}
.deliver-table tbody td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--text-2);
  vertical-align: middle;
}
.deliver-table tbody tr:last-child td { border-bottom: 0; }
.deliver-table tbody tr:hover td { background: var(--bg-soft); }
.dt-region {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--r-sm);
  background: var(--accent-soft);
  color: var(--accent-700);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  white-space: nowrap;
}
.dt-line {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.dt-spec { font-family: var(--font-mono); font-size: 12.5px; color: var(--text-3); }

/* ------------------------------------------------------------- 服务保障 */
.support-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.support-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  transition: border-color .25s, box-shadow .25s, transform .25s var(--ease);
}
.support-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 3px; height: 100%;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .35s var(--ease);
}
.support-card:hover {
  border-color: var(--accent-line);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.support-card:hover::before { transform: scaleY(1); }
.support-num {
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-600);
  margin-bottom: 8px;
}
.support-num sup {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-3);
  margin-left: 4px;
  letter-spacing: .04em;
}
.support-card h4 {
  font-size: 15.5px;
  font-weight: 700;
  margin-bottom: 9px;
}
.support-card p {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-2);
}
@media (max-width: 1024px) { .support-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .support-grid { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------- 首页 FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 44px;
  border-top: 1px solid var(--line);
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-q {
  width: 100%;
  background: none;
  border: 0;
  padding: 20px 44px 20px 0;
  text-align: left;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  position: relative;
  transition: color .2s;
  line-height: 1.5;
}
.faq-q:hover { color: var(--accent-600); }
.faq-toggle {
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  width: 26px; height: 26px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-strong);
  display: grid;
  place-items: center;
  color: var(--accent-600);
  transition: transform .3s var(--ease), background .2s, border-color .2s;
}
.faq-q[aria-expanded="true"] { color: var(--accent-600); }
.faq-q[aria-expanded="true"] .faq-toggle {
  transform: translateY(-50%) rotate(45deg);
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .38s var(--ease);
}
.faq-a p {
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-2);
  padding: 0 44px 22px 0;
}
@media (max-width: 860px) {
  .faq-grid { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------- Hero 网格层 */
.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(16,23,29,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,23,29,.055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(105deg, rgba(0,0,0,.9) 0%, rgba(0,0,0,.25) 55%, transparent 78%);
  -webkit-mask-image: linear-gradient(105deg, rgba(0,0,0,.9) 0%, rgba(0,0,0,.25) 55%, transparent 78%);
}

/* ==================================================================== */
/*  详情页新增区块：工程亮点 / 产线位置 / 交付时间轴                     */
/* ==================================================================== */

/* ------------------------------------------------------------ 工程亮点 */
.eng-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.eng-item {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 24px 22px;
  transition: background .25s, border-color .25s, transform .25s var(--ease);
}
.eng-item:hover {
  background: #fff;
  border-color: var(--accent-line);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.eng-ico {
  width: 40px; height: 40px;
  border-radius: var(--r-sm);
  background: #fff;
  border: 1px solid var(--line-strong);
  color: var(--accent-600);
  display: grid;
  place-items: center;
  margin-bottom: 15px;
}
.eng-item h4 {
  font-size: 15.5px;
  font-weight: 700;
  margin-bottom: 9px;
}
.eng-item p {
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--text-2);
}
@media (max-width: 1024px) { .eng-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .eng-grid { grid-template-columns: 1fr; } }

/* --------------------------------------------------------- 产线位置示意 */
.line-strip {
  display: flex;
  align-items: stretch;
  gap: 0;
  overflow-x: auto;
  padding-bottom: 10px;
  margin-bottom: 22px;
}
.line-node {
  flex: 1;
  min-width: 148px;
  background: #fff;
  border: 1px solid var(--line-strong);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  text-align: center;
  position: relative;
}
.line-node + .line-node { border-left: 0; }
.line-node::after {
  content: "";
  position: absolute;
  right: -9px; top: 50%;
  transform: translateY(-50%) rotate(45deg);
  width: 16px; height: 16px;
  background: #fff;
  border-top: 1px solid var(--line-strong);
  border-right: 1px solid var(--line-strong);
  z-index: 2;
}
.line-node:last-child::after { display: none; }
.line-node-ico {
  width: 34px; height: 34px;
  border-radius: var(--r-sm);
  background: var(--bg-alt);
  color: var(--steel-600);
  display: grid;
  place-items: center;
}
.line-node strong {
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.35;
}
.line-node em {
  font-family: var(--font-mono);
  font-size: 10px;
  font-style: normal;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-3);
}
.line-node-hi {
  background: var(--accent);
  border-color: var(--accent);
  z-index: 3;
}
.line-node-hi .line-node-ico { background: rgba(255,255,255,.22); color: #fff; }
.line-node-hi strong { color: #fff; }
.line-node-hi em { color: rgba(255,255,255,.82); }
.line-node-hi::after { background: var(--accent); border-color: var(--accent); }
.line-node-in { background: var(--bg-soft); }

.line-util {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.lu-item {
  background: #fff;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.lu-item .mono {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--accent-600);
}
.lu-item strong {
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
}
.lu-item em {
  font-style: normal;
  font-size: 12.5px;
  color: var(--text-3);
}
@media (max-width: 900px) { .line-util { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .line-util { grid-template-columns: 1fr; } }

/* 代表机型每行的数量。桌面端按后台设的数量排，屏幕变窄时依次
   减列，避免卡片被挤成一条窄缝。 */
@media (max-width: 1400px) {
  .line-models { grid-template-columns: repeat(min(var(--line-cols, 4), 3), minmax(0, 1fr)); }
}
@media (max-width: 1024px) {
  .line-models { grid-template-columns: repeat(min(var(--line-cols, 4), 2), minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .line-models { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------- 交付时间轴 */
.timeline-2 {
  list-style: none;
  margin: 0;
  padding: 0 0 0 30px;
  position: relative;
}
.timeline-2::before {
  content: "";
  position: absolute;
  left: 7px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--line-strong) 100%);
}
.tl2-item {
  position: relative;
  padding-bottom: 30px;
}
.tl2-item:last-child { padding-bottom: 0; }
.tl2-dot {
  position: absolute;
  left: -30px; top: 4px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--accent);
  z-index: 2;
}
.tl2-when {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--accent-600);
  background: var(--accent-soft);
  padding: 3px 9px;
  border-radius: var(--r-sm);
  margin-bottom: 9px;
}
.tl2-item h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 7px;
}
.tl2-item p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-2);
  max-width: 760px;
}

/* ============================================== 产品两级分类树 cat-tree */
.cat-tree-layout{
  display:grid;grid-template-columns:262px minmax(0,1fr);
  gap:32px;align-items:start;
}
.cat-tree{
  position:sticky;top:calc(var(--header-h) + 16px);
  max-height:calc(100vh - var(--header-h) - 32px);
  overflow-y:auto;
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:#fff;padding:10px;
}
.tree-line{
  display:flex;align-items:center;gap:8px;width:100%;
  padding:10px 12px;border:0;border-radius:var(--r-sm);
  background:none;cursor:pointer;text-align:left;
  font-size:13.5px;font-weight:600;color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.tree-line:hover{background:var(--bg-soft);color:var(--text)}
.tree-line.active{background:var(--accent-soft);color:var(--accent-700)}
.tl-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tl-count{
  font-size:10.5px;font-family:var(--font-mono,monospace);
  color:var(--text-3);background:var(--bg-alt);
  padding:1px 6px;border-radius:8px;flex-shrink:0;
}
.tree-line.active .tl-count{background:#fff;color:var(--accent-700)}
.tl-arrow{font-size:15px;color:var(--text-3);transition:transform .22s var(--ease)}
.tree-group.open .tl-arrow{transform:rotate(90deg)}

.tree-cats{
  display:none;flex-direction:column;gap:1px;
  margin:2px 0 6px 12px;padding-left:10px;
  border-left:1px solid var(--line);
}
.tree-group.open .tree-cats{display:flex}
.tree-cat{
  display:flex;align-items:center;gap:8px;width:100%;
  padding:7px 10px;border:0;border-radius:var(--r-sm);
  background:none;cursor:pointer;text-align:left;
  font-size:12.5px;color:var(--text-2);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.tree-cat span:first-child{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tree-cat:hover{background:var(--bg-soft);color:var(--accent)}
.tree-cat.active{background:var(--accent-soft);color:var(--accent-700);font-weight:600}

/* 当前分类提示 */
.active-crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  margin-bottom:16px;padding:9px 14px;
  background:var(--accent-soft);border-radius:var(--r-sm);
  font-size:13px;color:var(--accent-700);
}
.cb-line{font-weight:600}
.cb-sep{opacity:.5}
.cb-clear{
  margin-left:auto;border:0;background:none;cursor:pointer;
  font-size:12px;color:var(--accent-700);text-decoration:underline;
  padding:2px 4px;
}
.cb-clear:hover{color:#c0392b}

@media(max-width:900px){
  .cat-tree-layout{grid-template-columns:1fr;gap:18px}
  .cat-tree{position:static;max-height:none}
  .tree-cats{margin-left:6px}
}

/* ------------------------------------------ 自定义 logo 图片 brand-logo */
/* 标志是透明底的 PNG，所以不再垫白方块 —— 直接放在页头里，
   也不会在深色页脚上出现一圈白边。 */
.brand-mark.brand-logo{
  background:none;
  padding:0;
  overflow:visible;
  width:40px;height:40px;
}
.brand-mark.brand-logo::after{display:none}
.brand-mark.brand-logo img{
  width:100%;height:100%;object-fit:contain;display:block;
}

/* 页头用横版标志（立方体 + EUNOV 字），高度按标志本身的比例，
   不塞进方块里 —— 塞进去就只剩个小小的立方体，认不出是哪个品牌。 */
.brand-mark.brand-logo-wide{
  width:auto;
  height:40px;
  min-width:40px;
  background:none;
  padding:0;
  overflow:visible;
  flex:none;
}
.brand-mark.brand-logo-wide::after{display:none}
/* 高度锁死，宽度按标志自身的比例走 —— 标志是 560x196，
   所以 40px 高对应约 114px 宽，正好落在页头里。 */
.brand-mark.brand-logo-wide img{
  height:40px;
  width:auto;
  max-width:none;
  object-fit:contain;
  object-position:left center;
  display:block;
}

/* ==================================================== 语言下拉 lang-dropdown */
.lang-dropdown{position:relative}
.lang-current{
  display:flex;align-items:center;gap:7px;height:36px;
  padding:0 10px 0 11px;
  border:1px solid var(--line-strong);border-radius:var(--r-sm);
  background:#fff;cursor:pointer;font-size:13px;
  transition:border-color .2s var(--ease);
}
.lang-current:hover{border-color:var(--accent)}
.lang-current .lc-flag{font-size:15px;line-height:1}
.lang-current .lc-short{
  font-family:var(--font-mono,monospace);font-weight:700;letter-spacing:.06em;
}
.lang-current .lc-caret{color:var(--text-3);display:grid;place-items:center}

.lang-panel{
  position:absolute;top:calc(100% + 8px);right:0;z-index:320;
  width:340px;max-height:min(560px,72vh);
  display:none;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:0 18px 46px rgba(16,23,29,.16);
  overflow:hidden;
}
.lang-dropdown.open .lang-panel{display:flex}

.lang-search{padding:10px;border-bottom:1px solid var(--line)}
.lang-search input{
  width:100%;height:34px;padding:0 11px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  font-size:13px;background:var(--bg-soft);outline:none;
}
.lang-search input:focus{border-color:var(--accent);background:#fff}

.lang-list{overflow-y:auto;padding:6px}
.lang-region{margin-bottom:4px}
.lang-region-title{
  padding:8px 10px 5px;font-size:10.5px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);
}
.lang-item{
  display:grid;
  grid-template-columns:22px minmax(0,1fr) auto;
  grid-template-areas:"flag native label" "flag market market";
  gap:0 9px;align-items:center;
  padding:8px 10px;border-radius:var(--r-sm);
  text-decoration:none;color:var(--text-2);
  transition:background .16s var(--ease);
}
.lang-item:hover{background:var(--bg-soft)}
.lang-item.active{background:var(--accent-soft)}
.lang-item.active .li-native{color:var(--accent-700);font-weight:600}
.li-flag{grid-area:flag;font-size:16px;line-height:1}
.li-native{grid-area:native;font-size:13.5px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.li-label{grid-area:label;font-size:11px;color:var(--text-3);white-space:nowrap}
.li-market{grid-area:market;font-size:10.5px;color:var(--text-3);margin-top:1px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lang-empty{padding:18px;text-align:center;font-size:13px;color:var(--text-3)}

@media(max-width:640px){
  .lang-panel{width:min(320px,calc(100vw - 32px));right:-40px}
}

/* ============================================ 两级产品菜单 dd-products */
.dd-products{
  min-width:0;width:min(880px,calc(100vw - 48px));
  display:grid;grid-template-columns:210px minmax(0,1fr);
  padding:0;overflow:hidden;
}
.dd-rail{
  background:var(--bg-soft);border-right:1px solid var(--line);
  padding:10px 8px;display:flex;flex-direction:column;gap:2px;
}
.dd-rail-item{
  display:flex;align-items:center;gap:8px;width:100%;
  padding:10px 11px;border:0;border-radius:var(--r-sm);
  background:none;cursor:pointer;text-align:left;
  font-size:13px;font-weight:600;color:var(--text-2);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.dd-rail-item:hover{background:#fff;color:var(--text)}
.dd-rail-item.active{background:var(--accent);color:#fff}
.dd-rail-item.active .dr-count{background:rgba(255,255,255,.22);color:#fff}
.dr-name{flex:1;min-width:0;line-height:1.35}
.dr-count{
  font-size:10px;font-family:var(--font-mono,monospace);
  color:var(--text-3);background:#fff;
  padding:1px 6px;border-radius:8px;flex-shrink:0;
}
.dr-arrow{font-size:15px;opacity:.5}
.dd-rail-all{
  margin-top:auto;padding:10px 11px;border-top:1px solid var(--line);
  margin-top:8px;font-size:12.5px;color:var(--accent);
  display:flex;align-items:center;gap:6px;
}

.dd-panels{padding:14px 16px;max-height:460px;overflow-y:auto}
.dd-panel{display:none;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}
.dd-panel.active{display:grid}
.dd-cat{min-width:0}
.dd-cat-link{
  display:flex;align-items:center;gap:7px;
  font-size:13px;font-weight:600;color:var(--text);
  padding:4px 0;margin-bottom:5px;
  transition:color .18s var(--ease);
}
.dd-cat-link:hover{color:var(--accent)}
.dd-cat-link svg{width:13px;height:13px;color:var(--accent);flex-shrink:0}
.dd-models{display:flex;flex-direction:column;gap:1px}
.dd-model{
  display:flex;gap:7px;align-items:baseline;
  padding:3px 0;font-size:12px;color:var(--text-3);
  transition:color .16s var(--ease);
}
.dd-model:hover{color:var(--accent)}
.dm-model{
  font-family:var(--font-mono,monospace);font-size:10.5px;
  color:var(--accent-600);flex-shrink:0;min-width:52px;
}
.dm-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ------------------------------------- 内嵌视频 video-frame-inline */
.video-frame-inline{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:#000;
}
.video-frame-inline video{
  display:block;width:100%;height:100%;
  aspect-ratio:16 / 9;object-fit:contain;background:#000;
}
.video-frame-label-inline{
  position:absolute;left:18px;top:18px;
  padding:6px 12px;border-radius:4px;
  background:rgba(10,14,18,.62);backdrop-filter:blur(4px);
  color:#fff;font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  pointer-events:none;
}

/* 页脚改成深底之后，里面原本按浅底设计的一律翻转成浅色系。 */
.site-footer h5 { color: #fff; }
.site-footer .footer-links a { color: rgba(255,255,255,.72); }
.site-footer .footer-links a:hover { color: var(--cyan-300); }
.site-footer .footer-contact { color: rgba(255,255,255,.72); }
/* Every value in a row is a link now, and they all share one
   colour -- a link that stands out from the text beside it reads as
   a different kind of information. */
.site-footer .footer-contact a,
.site-footer .footer-contact span a { color: rgba(255,255,255,.72); }
.site-footer .footer-contact a:hover { color: var(--cyan-300); }
.site-footer .footer-contact svg { color: var(--cyan-400); }
.site-footer .footer-catalog {
  background: rgba(255,255,255,.055);
  border-color: rgba(255,255,255,.13);
}
.site-footer .footer-catalog .mono { color: var(--cyan-300); }
.site-footer .footer-catalog p { color: rgba(255,255,255,.68); }
.site-footer .newsletter-form input {
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.16);
  color: #fff;
}
.site-footer .newsletter-form input::placeholder { color: rgba(255,255,255,.42); }
.site-footer .footer-bottom { border-top-color: rgba(255,255,255,.12); }
.site-footer .footer-bottom,
.site-footer .footer-legal a { color: rgba(255,255,255,.52); }
.site-footer .footer-legal a:hover { color: var(--cyan-300); }
.site-footer .brand-sub { color: rgba(255,255,255,.58); }


/* ==================================================== INDUSTRY SOLUTIONS */
/* 行业方案：每个行业一张代表图，下面按设备展开。
   左边是「客户要给我们什么」，右边是「我们怎么解决」，
   两块颜色区分开，客户一眼就知道要准备什么。 */
.ind-block {
  margin-bottom: 76px;
}
.ind-block:last-child { margin-bottom: 0; }

.ind-head {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 40px;
  align-items: center;
  margin-bottom: 34px;
}
.ind-media {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-soft);
  aspect-ratio: 4 / 3;
}
.ind-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s var(--ease);
}
.ind-block:hover .ind-media img { transform: scale(1.03); }

.ind-cap {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: 100px;
  padding: 5px 13px;
  margin-bottom: 14px;
}
.ind-intro h3 {
  font-size: clamp(22px, 2.4vw, 31px);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--text);
  margin-bottom: 14px;
}
.ind-intro p {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text-2);
}

/* 设备卡 */
.ind-machines {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
}
.ind-machine {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px 24px;
  transition: border-color .28s var(--ease), box-shadow .28s var(--ease);
}
.ind-machine:hover {
  border-color: var(--accent-line);
  box-shadow: var(--shadow);
}
.im-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 10px;
}
.im-head h4 {
  font-size: 17.5px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
  line-height: 1.3;
}
.im-model {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: var(--r-sm);
  padding: 3px 8px;
  margin-top: 7px;
}
.im-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
  margin-bottom: 16px;
}

/* 需要客户提供的参数 */
.im-ask {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 16px 18px;
  margin-bottom: 14px;
}
.im-ask-title {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 11px;
}
.im-ask-title svg { color: var(--accent); flex: none; }
.im-ask ul {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.im-ask li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-2);
}
.im-ask li::before {
  content: "";
  position: absolute;
  left: 0; top: .62em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* 我们的解决方案 */
.im-solution {
  background: var(--accent-grad-soft);
  border: 1px solid var(--accent-line);
  border-radius: var(--r);
  padding: 16px 18px;
}
.im-solution .im-ask-title { color: var(--accent-700); }
.im-solution .im-ask-title svg { color: var(--accent); }
.im-solution p {
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--text-2);
}

@media (max-width: 900px) {
  .ind-head { grid-template-columns: 1fr; gap: 22px; }
  .ind-machines { grid-template-columns: 1fr; }
  .ind-block { margin-bottom: 52px; }
}


/* ==================================================== EQUIPMENT SOLUTIONS */
/* 按设备类型展开的方案区块。
   「适用行业」用标签排开，是买家最先扫的一行 ——
   一眼就知道这台机器能不能用在自己的产品上。 */
.eq-block {
  margin-bottom: 72px;
  padding-bottom: 72px;
  border-bottom: 1px solid var(--line);
}
.eq-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.eq-head {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: 40px;
  align-items: start;
  margin-bottom: 22px;
}
.eq-media {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-soft);
  aspect-ratio: 4 / 3;
}
.eq-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s var(--ease);
}
.eq-block:hover .eq-media img { transform: scale(1.03); }

.eq-cap {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: 100px;
  padding: 5px 13px;
  margin-bottom: 14px;
}
.eq-intro h3 {
  font-size: clamp(21px, 2.2vw, 28px);
  line-height: 1.22;
  letter-spacing: -.02em;
  color: var(--text);
  margin-bottom: 13px;
}
.eq-intro > p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
}

/* 适用行业标签 */
.eq-apps { margin-top: 20px; }
.eq-apps-title {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 11px;
}
.eq-app-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.eq-app {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-2);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 6px 13px;
  transition: all .2s var(--ease);
}
.eq-app:hover {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--accent-line);
}

/* 代表型号 */
.eq-models {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}
.eq-model {
  display: flex;
  align-items: baseline;
  gap: 9px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 9px 15px;
  transition: border-color .2s var(--ease);
}
.eq-model:hover { border-color: var(--accent-line); }
.eq-model-code {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}
.eq-model-name {
  font-size: 13px;
  color: var(--text-3);
}

/* 参数 + 解决方案 */
.eq-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}
.eq-ask, .eq-solution {
  border-radius: var(--r);
  padding: 20px 22px;
}
.eq-ask {
  background: var(--bg-soft);
  border: 1px solid var(--line);
}
.eq-solution {
  background: var(--accent-grad-soft);
  border: 1px solid var(--accent-line);
}
.eq-detail-title {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 12px;
}
.eq-detail-title svg { color: var(--accent); flex: none; }
.eq-solution .eq-detail-title { color: var(--accent-700); }
.eq-ask ul {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.eq-ask li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--text-2);
}
.eq-ask li::before {
  content: "";
  position: absolute;
  left: 0; top: .62em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
}
.eq-solution p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-2);
}

@media (max-width: 900px) {
  .eq-head { grid-template-columns: 1fr; gap: 22px; }
  .eq-detail { grid-template-columns: 1fr; }
  .eq-block { margin-bottom: 48px; padding-bottom: 48px; }
}


/* ==================================================== 在线客服悬浮框 */
/* 带头像的主按钮，点开是一张联系卡。
   放在 float-bar 里，跟着其它悬浮按钮一起浮在右下角。 */
.svc-box {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.float-btn.svc-toggle {
  background: var(--steel-900);
  color: #fff;
  overflow: visible;
  border: 2px solid #fff;
}
.float-btn.svc-toggle img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}
.float-btn.svc-toggle:hover {
  background: var(--accent);
}

/* 「在线」的小绿点 + 一圈扩散，暗示这里有人 */
.svc-ping {
  position: absolute;
  top: 2px; right: 2px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: #25d366;
  border: 2px solid #fff;
}
.svc-ping::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  border: 2px solid #25d366;
  animation: svcPulse 2.2s ease-out infinite;
}
@keyframes svcPulse {
  0%   { transform: scale(.7); opacity: .9; }
  70%  { transform: scale(2.1); opacity: 0; }
  100% { transform: scale(2.1); opacity: 0; }
}

/* 联系卡 */
.svc-panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 14px);
  width: 300px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: 0 18px 48px rgba(16,23,29,.22);
  padding: 20px;
  opacity: 0;
  transform: translateY(10px) scale(.97);
  pointer-events: none;
  transition: opacity .24s var(--ease), transform .24s var(--ease);
  z-index: 2;
}
.svc-box.open .svc-panel {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.svc-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.svc-avatar {
  width: 52px; height: 52px;
  border-radius: 50%;
  object-fit: cover;
  flex: none;
  border: 2px solid var(--accent-soft);
}
.svc-avatar-fallback {
  display: grid;
  place-items: center;
  background: var(--accent-grad);
  color: #fff;
  font-weight: 900;
  font-size: 21px;
}
.svc-name {
  font-size: 15.5px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
}
.svc-role {
  font-size: 12.5px;
  color: var(--text-3);
  margin-top: 2px;
}
.svc-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 600;
  color: #16a34a;
  margin-top: 5px;
}
.svc-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #25d366;
}
.svc-close {
  margin-left: auto;
  border: 0;
  background: none;
  color: var(--text-3);
  cursor: pointer;
  padding: 2px;
  line-height: 0;
  border-radius: 4px;
}
.svc-close:hover { color: var(--text); background: var(--bg-soft); }

.svc-text {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-2);
  margin: 14px 0 0;
}

.svc-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
}
.svc-btn {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 600;
  transition: transform .18s var(--ease), filter .18s var(--ease);
}
.svc-btn span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.svc-btn:hover { transform: translateX(2px); filter: brightness(.96); }
.svc-wa   { background: rgba(37,211,102,.12); color: #128c4a; }
.svc-mail { background: rgba(7,177,203,.12); color: #046d80; }
.svc-form { background: var(--accent); color: #fff; }
.svc-form:hover { filter: brightness(.92); }

@media (max-width: 640px) {
  .svc-panel { width: min(300px, calc(100vw - 32px)); }
}

/* 客服框在页面滚动后才出现 */
.svc-box { opacity: 0; transform: translateY(12px); transition: opacity .3s var(--ease), transform .3s var(--ease); }
.svc-box.svc-in { opacity: 1; transform: translateY(0); }
.svc-box.svc-in.open .svc-panel { transform: translateY(0) scale(1); }


/* ==================================================== PRODUCT CAROUSEL */
/* 每条产品线的机型轮播。横向滑动，一屏看几台由 --line-cols 决定，
   但滑动条里放的是这条线的全部机型 —— 不再是固定四张。 */
.line-carousel {
  position: relative;
  margin-top: 4px;
  /* Room on both sides for the arrow buttons. */
  padding: 0 54px;
}
.line-carousel .line-models {
  display: grid;
  grid-auto-flow: column;
  /* The base rule declares one, and with auto-flow column the two
     fight and the first cards end up with zero width. */
  grid-template-columns: none;
  grid-auto-columns: calc((100% - (var(--line-cols, 4) - 1) * 18px)
                           / var(--line-cols, 4));
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  /* The arrows sit over the edges, so the row needs a little room. */
  padding: 2px 2px 8px;
  scrollbar-width: none;
}
.line-carousel .line-models::-webkit-scrollbar { display: none; }
.line-carousel .line-model {
  scroll-snap-align: start;
}

/* 左右箭头：只在有内容可看的时候出现 */
.car-arrow {
  position: absolute;
  top: 38%;
  z-index: 3;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--line-strong);
  color: var(--text);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: opacity .22s var(--ease), transform .22s var(--ease),
              background .22s var(--ease);
}
.car-arrow:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.car-arrow:disabled {
  opacity: 0;
  pointer-events: none;
  transform: scale(.85);
}
/* The arrows sit in the padding the container reserves for them,
   so they never cover a card. */
.car-prev { left: 4px; }
.car-next { right: 4px; }

/* 进度点：几屏就几个点 */
.car-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 14px;
}
.car-dots button {
  width: 7px;
  height: 7px;
  padding: 0;
  border-radius: 50%;
  border: 0;
  background: var(--line-strong);
  cursor: pointer;
  transition: background .2s var(--ease), width .2s var(--ease);
}
.car-dots button.on { background: var(--accent); width: 20px; border-radius: 4px; }

@media (max-width: 900px) {
  .car-arrow { display: none; }
  .line-carousel { padding: 0; }
  .line-carousel .line-models {
    grid-auto-columns: calc((100% - 18px) / 2);
  }
}
@media (max-width: 560px) {
  .line-carousel .line-models {
    grid-auto-columns: 82%;
  }
}


/* ==================================================== PRODUCTS BY LINE */
/* 产品页：顶部大分类导航，下面每条产品线一个分区。 */
.line-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 46px;
}
.line-nav-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 15px 17px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  text-decoration: none;
  transition: border-color .24s var(--ease), box-shadow .24s var(--ease),
              transform .24s var(--ease);
}
.line-nav-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.line-nav-name {
  font-size: 14.5px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
  line-height: 1.3;
}
.line-nav-count {
  font-size: 11.5px;
  color: var(--text-3);
  font-family: var(--font-mono);
}

/* 一条产品线的分区 */
.pline {
  padding-top: 34px;
  margin-bottom: 46px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}
.pline + .pline { border-top: 1px solid var(--line); }
.pline-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.pline-title {
  font-size: clamp(21px, 2.3vw, 28px);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 5px;
}
.pline-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-2);
  max-width: 620px;
}
.pline-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex: none;
}
.pline-count {
  font-size: 12px;
  color: var(--text-3);
  font-family: var(--font-mono);
  white-space: nowrap;
}

/* 子分类：文字 + 数量 + Learn More */
.pline-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}
.pline-cat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: 13px;
  color: var(--text-2);
  text-decoration: none;
  transition: all .22s var(--ease);
}
.pline-cat:hover {
  background: var(--accent-soft);
  border-color: var(--accent-line);
  color: var(--accent);
}
.pline-cat-name { font-weight: 600; }
.pline-cat-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
}
.pline-cat-more {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity .22s var(--ease), transform .22s var(--ease);
}
.pline-cat:hover .pline-cat-more { opacity: 1; transform: translateX(0); }
.pline-cat-more svg { width: 12px; height: 12px; }

/* 一个子分类下的机型 */
.pline-group {
  margin-bottom: 32px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}
.pline-group-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.pline-group-head h3 {
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
}
.link-arrow-sm { font-size: 12.5px; }

@media (max-width: 640px) {
  .pline-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .pline-cat-more { opacity: 1; transform: none; }
}


/* ======================================================== CUSTOM SERVICE */
/* 定制服务说明：机器和生产线按客户要求做。 */
.cs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.cs-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px 24px;
  transition: border-color .28s var(--ease), box-shadow .28s var(--ease),
              transform .28s var(--ease);
}
.cs-card:hover {
  border-color: var(--accent-line);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.cs-ico {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--r);
  background: var(--accent-grad);
  color: #fff;
  margin-bottom: 15px;
}
.cs-card h3 {
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
  line-height: 1.35;
  margin-bottom: 9px;
}
.cs-card p {
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-2);
}
.cs-foot {
  margin-top: 28px;
  display: flex;
  justify-content: center;
}

/* 深底上翻成浅色 */
.section-deep .cs-card {
  background: rgba(255, 255, 255, .055);
  border-color: rgba(255, 255, 255, .12);
}
.section-deep .cs-card h3 { color: #fff; }
.section-deep .cs-card p { color: rgba(255, 255, 255, .72); }


/* ===================================================== REQUIREMENT FORM */
/* 需求提交表单：先选设备类型，再按设备问专属参数。 */
.rf-devices { margin-bottom: 34px; }
.rf-devices-title {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--text);
  margin-bottom: 14px;
}
.rf-device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 9px;
}
.rf-device {
  display: flex;
  flex-direction: column;
  gap: 3px;
  align-items: flex-start;
  text-align: left;
  padding: 12px 15px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease),
              transform .2s var(--ease);
}
.rf-device:hover {
  border-color: var(--accent-line);
  background: var(--accent-soft);
}
.rf-device.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px var(--accent);
}
.rf-device-name {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
}
.rf-device-count {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-3);
}
.rf-device-note {
  font-size: 12.5px;
  color: var(--text-3);
  margin-top: 12px;
}

.rf-placeholder {
  font-size: 14px;
  color: var(--text-3);
  padding: 22px 0;
  text-align: center;
}
.rf-group { margin-bottom: 26px; }
.rf-group:last-child { margin-bottom: 0; }
.rf-common {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  margin-top: 26px;
}
.rf-section-title {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
}

/* 单选与多选 */
.rf-radio, .rf-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.rf-radio-item, .rf-check-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: 13px;
  color: var(--text-2);
  cursor: pointer;
  transition: all .2s var(--ease);
}
.rf-radio-item:hover, .rf-check-item:hover {
  border-color: var(--accent-line);
  color: var(--text);
}
.rf-radio-item input, .rf-check-item input {
  width: auto;
  margin: 0;
  accent-color: var(--accent);
}
.rf-radio-item:has(input:checked),
.rf-check-item:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

/* 图片上传 */
.rf-upload {
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.rf-upload-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  align-self: flex-start;
  padding: 11px 18px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r);
  background: var(--bg-soft);
  color: var(--text-2);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s var(--ease);
}
.rf-upload-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}
.rf-upload-prev img {
  max-width: 100%;
  max-height: 220px;
  border-radius: var(--r);
  border: 1px solid var(--line);
  display: block;
}
.rf-uploading, .rf-upload-err {
  font-size: 12.5px;
  color: var(--text-3);
}
.rf-upload-err { color: var(--red, #dc2626); }

.rf-reply {
  font-size: 13px;
  color: var(--text-3);
  text-align: center;
  margin-top: 18px;
}

/* 页头的「提交需求」入口：比普通导航更醒目一点，
   但不能抢过主按钮。 */
.nav-req {
  color: var(--accent);
  font-weight: 700;
}
.nav-req:hover { color: var(--accent-700, var(--accent)); }

/* ============================================================ 需求参数表 */
/* 客户勾选设备参数用的表格。左边是参数名，中间是勾选框，
   右边是尺寸和数量这类需要填写的数值。 */
.rt-devices { margin-bottom: 34px; }
.rt-devices-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}
.rt-device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
}
.rt-device {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface, #fff);
  cursor: pointer;
  transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}
.rt-device:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}
.rt-device.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(0, 122, 255, .14);
  background: var(--accent-soft, #f2f7ff);
}
.rt-device-name {
  font-size: 14px;
  font-weight: 650;
  color: var(--text-1);
  line-height: 1.35;
}
.rt-device-count {
  font-size: 11.5px;
  color: var(--text-3);
  font-family: var(--mono, monospace);
}
.rt-device-note {
  font-size: 12.5px;
  color: var(--text-3);
  margin-top: 12px;
}

.rt-tables { margin-top: 8px; }
.rt-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface, #fff);
  margin-bottom: 22px;
}
.rt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.rt-table thead th {
  text-align: left;
  font-size: 11px;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--text-3);
  font-weight: 700;
  padding: 13px 16px;
  background: var(--surface-2, #f7f9fc);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.rt-table tbody tr { border-bottom: 1px solid var(--line); }
.rt-table tbody tr:last-child { border-bottom: 0; }
.rt-table tbody tr:hover { background: var(--surface-2, #fafbfd); }
.rt-q {
  text-align: left;
  font-weight: 650;
  color: var(--text-1);
  padding: 14px 16px;
  width: 24%;
  min-width: 190px;
  vertical-align: top;
}
.rt-hint {
  display: block;
  font-weight: 400;
  font-size: 11.5px;
  color: var(--text-3);
  margin-top: 4px;
  line-height: 1.45;
}
.rt-cell { padding: 14px 16px; vertical-align: top; }
.rt-cell-checks { width: 44%; }
.rt-cell-value { width: 24%; min-width: 150px; }
.rt-cell-wide { grid-column: 1 / -1; }

.rt-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.rt-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--text-2);
  cursor: pointer;
  user-select: none;
  transition: border-color .14s ease, background .14s ease, color .14s ease;
}
.rt-check:hover { border-color: var(--accent); color: var(--text-1); }
.rt-check input { accent-color: var(--accent); margin: 0; }
.rt-check:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft, #f2f7ff);
  color: var(--text-1);
  font-weight: 600;
}

.rt-input, .rt-area {
  width: 100%;
  font: inherit;
  font-size: 13px;
  color: var(--text-1);
  background: var(--surface, #fff);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 11px;
  transition: border-color .14s ease, box-shadow .14s ease;
}
.rt-input:focus, .rt-area:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, .12);
}
.rt-input-note { font-size: 12.5px; }
.rt-area { resize: vertical; min-height: 78px; }

.rt-upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-2);
  background: var(--surface-2, #f7f9fc);
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 9px 14px;
  cursor: pointer;
  transition: border-color .14s ease, color .14s ease;
}
.rt-upload-btn:hover { border-color: var(--accent); color: var(--accent); }
.rt-upload-prev { margin-top: 9px; }
.rt-upload-prev img {
  max-width: 190px;
  border-radius: 8px;
  border: 1px solid var(--line);
  display: block;
}

/* ================================================== 明细表（Need Details）
   参数表问的是"勾哪个"，明细表问的是"填多少" —— 阀杯尺寸、罐径、
   车间长宽高。客户把数字填进来，销售就不用再问一轮。 */
.rt-detail {
  margin-top: 30px;
  padding-top: 26px;
  border-top: 2px solid var(--accent);
}
.rt-detail-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 6px;
}
.rt-detail-note {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-2);
  margin-bottom: 20px;
}
.rd-sec {
  border: 1px solid var(--line);
  border-radius: var(--r);
  margin-bottom: 14px;
  overflow: hidden;
  background: #fff;
}
.rd-sec-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text-1);
  background: var(--bg-soft, #f6f8fa);
  border-bottom: 1px solid var(--line);
  padding: 12px 16px;
  margin: 0;
}
.rd-sec-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex: none;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}
.rd-rows { padding: 4px 16px 12px; }
.rd-row {
  display: grid;
  grid-template-columns: minmax(200px, 30%) 1fr;
  gap: 18px;
  align-items: start;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.rd-row:last-child { border-bottom: 0; }
.rd-q {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.55;
  padding-top: 9px;
}
.rd-body { min-width: 0; }
/* 一行几个空格：Dia ___ mm   Height ___ mm */
.rt-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.rt-inline-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1 1 150px;
  min-width: 130px;
}
.rt-inline-label {
  font-size: 12px;
  color: var(--text-2);
  font-weight: 500;
}
.rt-unit { color: var(--text-3); }

@media (max-width: 860px) {
  .rd-row { grid-template-columns: 1fr; gap: 8px; }
  .rd-q { padding-top: 0; }
}

@media (max-width: 860px) {
  .rt-table, .rt-table tbody, .rt-table tr, .rt-table td, .rt-table th {
    display: block;
    width: auto;
  }
  .rt-table thead { display: none; }
  .rt-q {
    padding-bottom: 4px;
    border-bottom: 0;
    min-width: 0;
  }
  .rt-cell { padding-top: 6px; padding-bottom: 12px; }
  .rt-cell-value { padding-bottom: 16px; }
}

/* ================================================= 首页分类轮播 */
/* 每一条产品线下面，按分类排开。每个分类有自己的横向轮播，
   轮播自己会走，客户不用点。 */
.cat-carousel {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.cat-carousel:first-of-type { border-top: 0; }
.cat-car-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.cat-car-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-1);
  margin: 0;
}
.cat-car-count {
  font-size: 11.5px;
  font-family: var(--mono, monospace);
  color: var(--text-3);
}
.cat-car-more { margin-left: auto; font-size: 12.5px; }

/* 表格滚到页头下面时不被盖住 */
.rt-table-wrap { scroll-margin-top: 92px; }
.rt-tables { scroll-margin-top: 92px; }

/* ================================================ 需求表：两级选择 */
/* 第一步选五条产品线，第二步选这条线下面的小分类。 */
.rt-picker { margin-bottom: 30px; }
.rt-step-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.rt-step-note {
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 16px;
}
.rt-line-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 12px;
}
.rt-line {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface, #fff);
  cursor: pointer;
  transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}
.rt-line:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(15, 23, 42, .08);
}
.rt-line.active {
  border-color: var(--accent);
  background: var(--accent-soft, #f2f7ff);
}
.rt-line-name {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.35;
}
.rt-line-count {
  font-size: 11.5px;
  color: var(--text-3);
  font-family: var(--mono, monospace);
}
.rt-back {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  background: none;
  border: 0;
  padding: 4px 0;
  margin-bottom: 10px;
  cursor: pointer;
}
.rt-back:hover { color: var(--accent); }
.rt-cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 9px;
}
.rt-cat {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface, #fff);
  cursor: pointer;
  transition: border-color .14s ease, background .14s ease;
}
.rt-cat:hover { border-color: var(--accent); }
.rt-cat.active {
  border-color: var(--accent);
  background: var(--accent-soft, #f2f7ff);
}
.rt-cat-name {
  font-size: 13.5px;
  font-weight: 650;
  color: var(--text-1);
  line-height: 1.35;
}
.rt-cat-count {
  font-size: 11px;
  color: var(--text-3);
  font-family: var(--mono, monospace);
}
[hidden] { display: none !important; }

/* ============================================== 首屏视频（自动播放） */
/* 视频直接嵌在首屏里自己播，不再点开弹窗。 */
.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: var(--steel-900);
}

/* 静音开关：浏览器只允许静音自动播放，访客点一下就能开声。 */
.hero-mute {
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .28);
  background: rgba(10, 20, 40, .55);
  backdrop-filter: blur(6px);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background .18s, transform .18s;
  z-index: 3;
}
.hero-mute:hover { background: rgba(10, 20, 40, .8); transform: scale(1.06); }
.hero-mute svg { width: 18px; height: 18px; }
/* 静音时显示「斜杠喇叭」，有声时显示普通喇叭 */
.hero-mute-on, .hero-mute-off { display: grid; place-items: center; }
.hero-mute[data-muted="1"] .hero-mute-on { display: none; }
.hero-mute[data-muted="0"] .hero-mute-off { display: none; }

/* ============================================ 产品页：搜索 + 分类展开 */
/* 搜索框 */
.prod-search {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}
.prod-search-box {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 260px;
  max-width: 520px;
  background: var(--surface, #fff);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 12px;
  transition: border-color .16s ease, box-shadow .16s ease;
}
.prod-search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, .10);
}
.prod-search-ico {
  display: grid;
  place-items: center;
  color: var(--text-3);
  flex: none;
}
.prod-search-ico svg { width: 17px; height: 17px; }
.prod-search-box input {
  flex: 1;
  border: 0;
  outline: none;
  background: none;
  font: inherit;
  font-size: 14px;
  color: var(--text-1);
  padding: 12px 0;
  min-width: 0;
}
.prod-search-box input::-webkit-search-cancel-button { display: none; }
.prod-search-clear {
  border: 0;
  background: none;
  padding: 4px;
  cursor: pointer;
  color: var(--text-3);
  display: grid;
  place-items: center;
  border-radius: 5px;
}
.prod-search-clear:hover { color: var(--text-1); background: var(--surface-2, #f5f7fa); }
.prod-search-count {
  font-size: 12.5px;
  color: var(--text-3);
  font-family: var(--mono, monospace);
}

/* 每个分类：一行四个 */
.prod-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
@media (max-width: 1180px) {
  .prod-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .prod-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .prod-grid { grid-template-columns: minmax(0, 1fr); }
}

/* 展开的按钮 */
.pline-more {
  margin-top: 22px;
  display: flex;
  justify-content: center;
}
.pline-more .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.pline-more .btn.open svg { transform: rotate(90deg); }
.pline-more .btn svg { transition: transform .2s ease; }

/* 分组标题右侧的机型数 */
.pline-group-count {
  font-size: 11.5px;
  font-family: var(--mono, monospace);
  color: var(--text-3);
}

/* 一个都没搜到 */
.prod-empty {
  text-align: center;
  padding: 60px 0;
  color: var(--text-3);
}

/* ------------------------------------------------------- 产品页改版 */
/* 五个大分类导航：更醒目 —— 加粗描边、序号徽标、hover 上浮。
   （这是买家进产品页第一眼要选的东西，不能再是细边框小卡片。） */
.line-nav {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 56px;
}
.line-nav-item {
  position: relative;
  padding: 20px 20px 18px;
  border: 2px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: 0 1px 0 rgba(15, 23, 42, .04);
}
.line-nav-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  border-radius: 4px 0 0 4px;
  background: var(--accent);
  opacity: .85;
}
.line-nav-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg, var(--shadow));
  transform: translateY(-3px);
}
.line-nav-name {
  font-size: 16.5px;
  font-weight: 900;
}
.line-nav-count {
  font-size: 12px;
  color: var(--text-2);
}

/* 产品线头部：标题 + 计数 + Learn more 按钮并排 */
.pline-head-tools {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 10px;
}
.pline-head .pline-learn { flex: none; align-self: center; }
.pline-head .pline-count { display: block; margin-top: 8px; }

/* 每条线抽出的 10 台样机：5 列两排；窄屏自动降列。 */
.prod-grid-line {
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
@media (max-width: 1280px) { .prod-grid-line { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 1024px) { .prod-grid-line { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 700px)  { .prod-grid-line { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .prod-grid-line { grid-template-columns: 1fr; } }

/* 搜索池：默认 hidden 属性控制，无额外样式；兜底隐藏一份。 */
.prod-grid-pool[hidden] { display: none; }
.prod-grid-line[hidden] { display: none; }

/* 博客正文：封面图、插图、列表、关键词标签 */
.article-cover { margin: 0 0 28px; }
.article-cover img { width: 100%; height: auto; border-radius: var(--r-lg); display: block; }
.article-figure { margin: 26px 0; }
.article-figure img { width: 100%; height: auto; border-radius: var(--r); display: block; }
.article-figure figcaption { margin-top: 8px; font-size: 13px; color: var(--text-3); text-align: center; }
.article-body .article-list { margin: 16px 0 20px 20px; }
.article-body .article-list li { margin-bottom: 8px; line-height: 1.75; color: var(--text-2); }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 30px 0 6px;
  padding-top: 18px; border-top: 1px solid var(--line); }
.article-tag { padding: 5px 11px; border-radius: 999px; background: var(--bg-soft);
  font-size: 12px; color: var(--text-2); }

/* 大分类标题可点：产品页标题链接保持原色 */
.pline-title-link { color: inherit; text-decoration: none; }
.pline-title-link:hover { color: var(--accent, #0b3b8c); }

/* ---------------------------------------------- 图片 / 视频防护
   图片在服务器上是加密的，由 media-shield.js 解密后塞进 <img>。
   解码完成前先铺一层浅灰底色，避免破图图标和布局抖动。 */
img {
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
  user-select: none;
  -webkit-user-select: none;
}
img[data-msrc] { background: #f1f3f5; }
img[data-msrc]:not(.msh-ready) { color: transparent; }
img.msh-fail { background: #eceff1; opacity: .35; }
.pd-main-img { position: relative; }
/* 图片上覆盖一层透明层：右键落在这一层上，取不到图片元素 */
.pd-main-img::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: transparent;
}

/* 视频解密加载中 */
video[data-msh-video] { background: #0d1117; }
video.msh-loading { position: relative; cursor: progress; }
video.msh-loading::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(13, 17, 23, .5);
  animation: msh-pulse 1.1s ease-in-out infinite;
}
@keyframes msh-pulse {
  0%, 100% { opacity: .5; }
  50% { opacity: 1; }
}

/* 触犯防护时的提示条 */
.msh-hint {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 20px);
  z-index: 99999;
  max-width: min(92vw, 520px);
  padding: 13px 20px;
  border-radius: 12px;
  background: rgba(17, 24, 39, .94);
  color: #fff;
  font-size: 14px;
  line-height: 1.5;
  text-align: center;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .28);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease, transform .22s ease;
}
.msh-hint.show { opacity: 1; transform: translate(-50%, 0); }

/* 打印时不出图 / 不出视频：封掉"打印成 PDF 再提取"这条路 */
@media print {
  img, video, .pd-gallery, .pd-main-img, .pd-thumbs,
  .video-frame, .hero-media, .hero-video { display: none !important; }
}