/* ==========================================================================
   凸申科技官网 — 主样式
   基调：浅色材料质感 —— 靠色阶微差 + 1px 描边 + 留白做层次，不用明暗对比
   强调色取自官方 logo 渐变：青绿 #0E9E77 → 蓝 #2563EB
   ========================================================================== */

:root {
  --bg:        #FFFFFF;
  --bg-soft:   #F7FAFC;
  --bg-chip:   #F1F5F9;

  --line:      #E7EDF5;
  --line-mid:  #D3DCE8;

  --ink:       #0B1420;
  --ink-2:     #5A6879;
  --ink-3:     #8695A8;
  --ink-4:     #A8B4C4;

  /* 顶部结构高度（工具条已移除，保留变量便于日后恢复；mega 下拉面板的 top 依赖它） */
  --topbar-h:  0px;
  --nav-h:     76px;
  --header-h:  calc(var(--topbar-h) + var(--nav-h));

  /* 深色区块（CTA 带 / 轮播首帧 / 页脚） */
  --dark:      #0B1420;
  --dark-2:    #101B2B;
  --dark-line: #22303F;
  --dark-ink:  #E9EFF6;
  --dark-ink-2:#9FACBC;

  --acc-1:     #0E9E77;
  --acc-2:     #2563EB;
  --grad:      linear-gradient(96deg, #0E9E77 0%, #2563EB 100%);

  --r-xs: 8px;
  --r-sm: 12px;
  --r:    18px;
  --r-lg: 20px;
  --r-full: 999px;

  --sh-xs: 0 1px 2px rgba(11, 20, 32, .04);
  --sh-sm: 0 2px 8px rgba(11, 20, 32, .05);
  --sh:    0 8px 26px rgba(11, 20, 32, .07);

  --wrap: 1264px;

  /* 首页单独收窄内容轴线，保留全站内页的原始宽度 */
  --home-wrap: 1180px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB',
    -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
/* 兜底：任何带 hidden 属性的元素都必须真正隐藏 —— 否则被 display 覆盖会引发"整页被遮罩"这类隐形 bug */
[hidden] { display: none !important; }
h1, h2, h3, h4 { margin: 0; line-height: 1.28; letter-spacing: -.005em; font-weight: 600; color: var(--ink); }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.page-home main > .section > .wrap,
.page-home main > .cta-band > .wrap,
.page-home .hot-band > .wrap { max-width: var(--home-wrap); }

/* ---------- 通用 ---------- */
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .3em; text-transform: uppercase; color: var(--acc-1); margin-bottom: 14px; }
.section { padding: 88px 0; }
.sec-head { max-width: 860px; margin-bottom: 46px; }
.sec-head h2 { font-size: clamp(34px, 3.6vw, 50px); line-height: 1.3; margin-bottom: 14px; }
.sec-sub { color: var(--ink-2); font-size: 17px; line-height: 1.8; }
.sec-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; max-width: none; }
.sec-head-row > div { max-width: 820px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 28px; border-radius: var(--r-full);
  font-size: 16px; font-weight: 500; white-space: nowrap;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease),
    background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn-sm { height: 40px; padding: 0 20px; font-size: 14px; }
.btn-primary { background: var(--grad); color: #04121C; box-shadow: 0 6px 18px rgba(14, 158, 119, .2); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(14, 158, 119, .28); }
.btn-outline { color: var(--ink); border: 1px solid var(--line-mid); background: transparent; }
.btn-outline:hover { border-color: var(--acc-1); color: var(--acc-1); transform: translateY(-2px); }
/* 三类表面概念滑页：图像作为整张场景底，文字落在同一条信号流里 */
.hc-slide-directions { isolation: isolate; background: #07111f; overflow: hidden; }
.hc-slide-directions::before { content: ''; position: absolute; inset: 0; z-index: -3; background: #07111f; }
.hc-direction-scene { position: absolute; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; }
.hc-direction-scene img { width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: .72; filter: saturate(.92) contrast(1.04); }
.hc-scene-vignette { position: absolute; inset: 0; background: linear-gradient(90deg, #07111f 0%, rgba(7,17,31,.94) 17%, rgba(7,17,31,.66) 36%, rgba(7,17,31,.15) 62%, rgba(7,17,31,.08) 100%), linear-gradient(0deg, rgba(7,17,31,.62), transparent 35%, rgba(7,17,31,.22)); }
.hc-slide-directions .hc-inner { min-height: clamp(360px, 45vw, 510px); grid-template-columns: minmax(420px, .72fr) minmax(0, 1.28fr); gap: 16px; }
.hc-slide-directions .hc-copy { max-width: 560px; padding-top: 12px; }
.hc-slide-directions .hc-eyebrow { color: #63e1bd; }
.hc-slide-directions .hc-title { color: #fff; font-size: clamp(42px, 4.3vw, 62px); }
.hc-slide-directions .hc-desc { color: rgba(232,240,248,.76); max-width: 460px; }
.hc-slide-directions .hc-figure-integrated { min-height: 420px; border: 0; background: transparent; }
.hc-direction-rail { position: absolute; left: max(24px, calc((100% - var(--wrap)) / 2 + 24px)); bottom: 30px; z-index: 2; display: flex; gap: 28px; align-items: center; color: rgba(239,247,250,.7); }
.hc-direction-item { display: inline-flex; align-items: center; gap: 10px; font-size: 12px; letter-spacing: .04em; white-space: nowrap; }
.hc-direction-item b { color: #60dfbb; font: 600 11px/1 'Inter', sans-serif; letter-spacing: .12em; }
.hc-direction-item em { font-style: normal; }
.hc-direction-item + .hc-direction-item::before { content: ''; width: 22px; height: 1px; margin-right: 8px; background: rgba(255,255,255,.22); }
.hc-slide-directions .hc-chips { margin-top: 28px; }
.hc-slide-directions .cap-chip { color: rgba(239,247,250,.8); background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.18); }
.hc-slide-directions .btn-outline { color: #fff; border-color: rgba(255,255,255,.36); }
.hc-slide-directions .btn-outline:hover { color: #65dfbd; border-color: #65dfbd; }

/* 滑页图像已覆盖整个画布，避免保留原来的右侧白色卡片容器 */
.hc-slide-directions .hc-figure-integrated { width: 100%; aspect-ratio: auto; }

.btn-ghost:hover { border-color: #fff; color: #fff; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--ink); box-shadow: 0 6px 18px rgba(0, 0, 0, .18); }


.img-missing { background: var(--bg-chip); }

/* ==========================================================================
   顶部导航（双层：深色工具条 + 白色主导航，借鉴炜盛双层结构）
   ========================================================================== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 90;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(18px) saturate(170%);
  transition: box-shadow .3s var(--ease), background .3s var(--ease);
}
.site-header.is-solid { box-shadow: 0 1px 0 var(--line), 0 8px 24px rgba(11, 20, 32, .04); }

.header-main { border-bottom: 1px solid transparent; height: var(--nav-h); }
.site-header .header-inner { display: flex; align-items: center; gap: 32px; height: var(--nav-h); }

.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand-logo { height: 44px; width: auto; }

.main-nav { margin-left: auto; }
.main-nav > ul { display: flex; align-items: center; gap: 4px; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 26px 16px; position: relative;
  font-size: 16px; font-weight: 400; color: var(--ink-2);
  transition: color .22s var(--ease);
}
/* 当前项与悬停态：文字变品牌色 + 底部渐变条（对齐参考站的下划线式导航） */
.main-nav > ul > li > a::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: 0; height: 2.5px;
  border-radius: 2px 2px 0 0; background: var(--grad);
  transform: scaleX(0); transform-origin: center; transition: transform .26s var(--ease);
}
.main-nav > ul > li > a:hover { color: var(--acc-1); }
.main-nav > ul > li > a:hover::after,
.main-nav > ul > li.is-current > a::after { transform: scaleX(1); }
.main-nav > ul > li.is-current > a { color: var(--acc-1); font-weight: 500; }
.caret { width: 5px; height: 5px; border-right: 1.4px solid currentColor; border-bottom: 1.4px solid currentColor; transform: rotate(45deg) translateY(-2px); opacity: .6; }

/* ==========================================================================
   全宽 mega 下拉面板（借鉴参考站：区块标题 + 多列箭头链接 + 推荐卡）
   动画三层：面板淡入下滑 → 内容错峰落位（0.08s/0.22s/0.34s）→ 链接 hover 变色
   ========================================================================== */
.has-mega { position: static; }  /* 面板用 fixed 定位锚到视口顶部，li 不做定位父级 */

.mega {
  position: fixed; left: 0; right: 0; top: var(--header-h); z-index: 89;
  /* 必须不透明：父级 header 的 backdrop-filter 会使本元素的 backdrop-filter 失效
     （Chromium backdrop root 行为），半透明白底会透出下方页面内容。 */
  background: #fff;
  border-top: 1px solid var(--line);
  box-shadow: 0 24px 48px rgba(11, 20, 32, .10);
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateY(-10px);
  transition: opacity .34s var(--ease), transform .34s var(--ease),
    visibility .34s, pointer-events .34s;
}
.has-sub.is-open .mega {
  opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0);
}

/* 内容错峰落位：默认偏移 + 透明，展开时按延迟归位；收起时延迟归零，不拖泥带水 */
.mega-main, .mega-card {
  opacity: 0; transform: translateY(-18px);
  transition: opacity .42s var(--ease), transform .42s var(--ease);
}
.has-sub.is-open .mega-main { opacity: 1; transform: translateY(0); transition-delay: .08s; }
.has-sub.is-open .mega-card { opacity: 1; transform: translateY(0); }
.has-sub.is-open .mega-card:nth-child(1) { transition-delay: .22s; }
.has-sub.is-open .mega-card:nth-child(2) { transition-delay: .34s; }

.mega-inner { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 56px; padding-top: 40px; padding-bottom: 44px; }
.mega-side { display: flex; flex-direction: column; gap: 16px; }

.mega-title {
  font-size: 20px; font-weight: 600; color: var(--ink); letter-spacing: .02em;
  padding-bottom: 14px; margin-bottom: 20px; position: relative;
}
/* 标题下的品牌色短横（对应参考站标题区的设计感，用品牌渐变替代红色） */
.mega-title::after { content: ''; position: absolute; left: 0; bottom: 0; width: 34px; height: 3px;
  border-radius: 2px; background: var(--grad); }

.mega-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; }
.mega-links a {
  position: relative; display: block; padding: 12px 0 12px 20px;
  font-size: 15.5px; line-height: 1.5; color: var(--ink-2);
  border-bottom: 1px solid transparent;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}
/* 「>」前缀箭头（对齐参考站链接样式） */
.mega-links a::before {
  content: '>';
  position: absolute; left: 2px; top: 50%; transform: translateY(-50%);
  font-size: 12px; color: var(--ink-4); font-weight: 500;
  transition: color .2s var(--ease), transform .2s var(--ease);
}
.mega-links a:hover { color: var(--acc-1); padding-left: 26px; }
.mega-links a:hover::before { color: var(--acc-1); transform: translateY(-50%) translateX(2px); }

/* 推荐卡：图 + 一行说明（对应参考站右侧产品卡） */
.mega-card { display: flex; align-items: center; gap: 14px; padding: 10px;
  border: 1px solid var(--line); border-radius: var(--r); background: #fff;
  transition: opacity .42s var(--ease), transform .42s var(--ease),
    box-shadow .24s var(--ease), border-color .24s var(--ease); }
.has-sub.is-open .mega-card:hover { transform: translateY(-2px); }
.mega-card:hover { box-shadow: var(--sh-sm); border-color: #DCE9E4; }
.mc-media { flex-shrink: 0; width: 108px; aspect-ratio: 16 / 10; border-radius: var(--r-xs); overflow: hidden; background: var(--bg-chip); }
.mc-media img { width: 100%; height: 100%; object-fit: cover; }
.mc-text { font-size: 14px; line-height: 1.55; color: var(--ink); }

.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.lang-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 50px; height: 34px; padding: 0 12px;
  border: 1px solid var(--line-mid); border-radius: var(--r-full);
  font-size: 13px; font-weight: 500; color: var(--ink-2); letter-spacing: .06em;
  transition: border-color .22s var(--ease), color .22s var(--ease);
}
.lang-btn:hover { border-color: var(--acc-1); color: var(--acc-1); }

.menu-toggle { display: none; width: 40px; height: 40px; border: 0; background: transparent; padding: 11px; border-radius: var(--r-sm); flex-direction: column; justify-content: space-between; }
.menu-toggle span { display: block; height: 1.5px; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease), opacity .3s; }

.nav-scrim { position: fixed; inset: 0; background: rgba(11, 20, 32, .35); opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; z-index: 85; }
.nav-scrim.is-on { opacity: 1; visibility: visible; }

/* ==========================================================================
   主视觉轮播（深浅穿插：首帧深色品牌帧 + 浅色应用/产品帧）
   ========================================================================== */
.hero-carousel { position: relative; padding-top: var(--header-h); background: var(--bg-soft); overflow: hidden; }
/* 首页品牌帧：概念图作为全幅场景，文案叠在同一视觉层上 */
.hero-concept .hc-slide.is-dark {
  position: relative;
  min-height: clamp(430px, 51vw, 570px);
  padding: 38px 0 58px;
  isolation: isolate;
  overflow: hidden;
}
.hero-concept .hc-slide.is-dark::before {
  width: 980px;
  height: 980px;
  top: -300px;
  right: 2%;
  opacity: .36;
}
.hero-concept .hc-slide.is-dark::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 74% 46%, transparent 0%, rgba(5,13,24,.08) 52%, rgba(5,13,24,.3) 100%),
    linear-gradient(90deg, rgba(5,13,24,.56) 0%, rgba(5,13,24,.16) 37%, transparent 62%, rgba(5,13,24,.12) 100%),
    linear-gradient(0deg, rgba(5,13,24,.24), transparent 30%, rgba(5,13,24,.12));
  pointer-events: none;
}
.hero-concept .hc-hero-scene {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}
.hero-concept .hc-hero-scene img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center center;
  mix-blend-mode: screen;
  opacity: .94;
  filter: saturate(.96) contrast(1.04);
}
.hero-concept .hc-slide-directions.hc-slide.is-soft {
  isolation: isolate;
  background: #07111f;
  overflow: hidden;
}
.hero-concept .hc-slide-directions.hc-slide.is-soft::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -3;
  background: #07111f;
}
.hero-concept .hc-slide.is-dark .hc-inner {
  min-height: clamp(360px, 43vw, 500px);
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  padding-left: 112px;
  padding-right: 112px;
}
.hero-concept .hc-copy {
  position: relative;
  z-index: 2;
  max-width: 620px;
  padding: 14px 0;
}
.hero-index { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 36px; color: rgba(230,240,248,.48); font: 500 11px/1 'Inter', sans-serif; letter-spacing: .18em; }
.hero-index i { display: block; width: 30px; height: 1px; background: linear-gradient(90deg, #53dcb6, rgba(83,220,182,.15)); }
.hero-proof { display: flex; align-items: center; gap: 12px; margin: -10px 0 28px; color: rgba(230,240,248,.55); font: 500 10px/1.4 'Inter', 'Noto Sans SC', sans-serif; letter-spacing: .16em; }
.hero-proof span:first-child { color: #6de2c1; }
.hero-proof b { width: 28px; height: 1px; background: rgba(255,255,255,.22); }
.hero-concept .hc-eyebrow { color: #64e2bf; letter-spacing: .25em; margin-bottom: 30px; }
.hero-concept .hc-title { font-size: clamp(50px, 5.3vw, 76px); line-height: 1.2; letter-spacing: .06em; margin-bottom: 26px; }
.hero-concept .hc-title span { letter-spacing: .06em; }
.hero-concept .hc-title .grad { letter-spacing: .08em; text-shadow: 0 0 34px rgba(47,224,174,.12); }
.hero-concept .hc-title::after { content: ''; display: block; width: 74px; height: 3px; margin-top: 28px; border-radius: 4px; background: linear-gradient(90deg, #2fe0ae, #5b8cff); box-shadow: 0 0 16px rgba(47,224,174,.28); }

/* 能力标签在第二帧的深色场景上保持明确对比 */
.hc-slide-directions .hc-chips .cap-chip {
  color: #E9EFF6;
  background: rgba(7,17,31,.82);
  border-color: rgba(96,223,187,.52);
  box-shadow: 0 8px 24px rgba(0,0,0,.22), inset 0 1px 0 rgba(255,255,255,.06);
  text-shadow: none;
}

/* 两页轮播的统一高度：保持概念图主导，但不让首屏纵向过重 */
.hero-concept .hc-slide-directions { min-height: clamp(430px, 51vw, 570px); }
.hero-concept .hc-slide.is-dark { padding: 38px 0 58px; }
.hero-concept .hc-slide-directions .hc-inner {
  min-height: clamp(360px, 43vw, 500px);
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}
.hero-concept .hc-slide-directions .hc-copy { max-width: 620px; }
.hero-concept .hc-slide-directions .hc-direction-rail { bottom: 22px; }

/* 轮播基础结构与控件 */
.hc-track { position: relative; }
.hc-slide {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 560px;
  padding: 48px 0 64px;
  opacity: 0;
  visibility: hidden;
  z-index: 0;
  transition: opacity .7s var(--ease), visibility .7s;
}
.hc-slide.is-active { opacity: 1; visibility: visible; z-index: 1; position: relative; }
.hc-slide.is-soft { position: absolute; inset: 0; padding-top: 0; background: var(--bg-soft); }
.hc-track > .hc-slide:first-child { position: relative; }
.hc-track > .hc-slide:not(:first-child) { position: absolute; inset: 0; padding-top: 0; }
.hc-slide.is-dark { background: #07111f; }
.hc-slide.is-dark::before {
  content: '';
  position: absolute;
  width: 820px;
  height: 820px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14,158,119,.16) 0%, rgba(37,99,235,.10) 45%, transparent 70%);
  top: -320px;
  right: -200px;
  pointer-events: none;
}
.hc-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 560px;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hc-copy { max-width: 640px; }
.hc-eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--acc-1);
  margin-bottom: 22px;
}
.hc-title {
  font-size: clamp(40px, 4.7vw, 64px);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--ink);
  margin-bottom: 20px;
}
.hc-title span { display: block; }
.hc-title .grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hc-desc { font-size: 17px; line-height: 1.95; color: var(--ink-2); margin-bottom: 30px; }
.hc-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.hc-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hc-figure {
  margin: 0;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  background: #fff;
}
.hc-figure img { width: 100%; height: 100%; object-fit: cover; }
.hc-slide.is-dark .hc-figure { border-color: var(--dark-line); background: var(--dark-2); }
.hc-slide.is-dark .hc-title { color: #fff; }
.hc-slide.is-dark .hc-title .grad {
  background: linear-gradient(96deg, #2FE0AE 0%, #5B8CFF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hc-slide.is-dark .hc-desc { color: var(--dark-ink-2); }
.hc-slide.is-dark .hc-eyebrow { color: var(--acc-1); }
.hc-dots {
  position: absolute;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}
.hc-dot {
  width: 26px;
  height: 4px;
  border-radius: 3px;
  border: 0;
  padding: 0;
  background: var(--line-mid);
  transition: background .25s var(--ease), width .25s var(--ease);
}
.hc-dot.is-on { background: var(--acc-1); width: 38px; }
.hc-slide.is-dark ~ .hc-dots .hc-dot { background: rgba(255,255,255,.35); }
.hc-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line-mid);
  background: rgba(255,255,255,.86);
  color: var(--ink-2);
  font-size: 24px;
  line-height: 1;
  display: grid;
  place-items: center;
  transition: background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
}
.hc-arrow:hover { background: #fff; color: var(--acc-1); border-color: var(--acc-1); }
.hc-prev { left: auto; right: 86px; top: auto; bottom: 16px; transform: none; }
.hc-next { right: 28px; top: auto; bottom: 16px; transform: none; }
.hc-slide .hc-copy,
.hc-slide .hc-figure { transition: opacity .7s var(--ease) .12s, transform .7s var(--ease) .12s; }
.hc-slide:not(.is-active) .hc-copy { opacity: 0; transform: translateY(20px); }
.hc-slide:not(.is-active) .hc-figure { opacity: 0; transform: translateY(14px); }

.img-missing { background: var(--bg-chip); }
.sec-why { background: var(--bg); }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.why-card { padding: 32px 28px 36px; border-radius: var(--r-lg); border: 1px solid var(--line); background: #fff;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease); }
.why-card:hover { transform: translateY(-4px); box-shadow: var(--sh); border-color: #DCE9E4; }
.wc-num { display: block; font-size: 13px; font-weight: 600; letter-spacing: .18em; color: var(--ink-4); margin-bottom: 18px; }
.why-card h3 { font-size: 22px; margin-bottom: 10px; }
.wc-en { display: block; font-size: 11px; font-weight: 500; letter-spacing: .24em; color: var(--ink-4); text-transform: uppercase; margin-bottom: 14px; }
.why-card p { font-size: 15px; line-height: 1.85; color: var(--ink-2); }

/* ==========================================================================
   应用领域
   ========================================================================== */
.sec-apps { background: var(--bg-soft); }
.dir-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.dir-grid-4 { grid-template-columns: repeat(4, 1fr); }
.dir-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease); }
.dir-card:hover { transform: translateY(-5px); box-shadow: var(--sh); border-color: #DCE9E4; }
.dir-media { aspect-ratio: 16 / 9; background: var(--bg-chip); overflow: hidden; }
.dir-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.dir-card:hover .dir-media img { transform: scale(1.04); }
.dir-body { padding: 26px 28px 32px; display: flex; flex-direction: column; flex: 1; }
.dc-num { font-size: 13px; font-weight: 600; letter-spacing: .18em; color: var(--ink-4); margin-bottom: 12px; }
.dir-body h3 { font-size: 21px; margin-bottom: 8px; }
.dc-en { font-size: 11px; font-weight: 500; letter-spacing: .22em; color: var(--ink-4); text-transform: uppercase; margin-bottom: 12px; }
.dir-body p { font-size: 15px; line-height: 1.85; color: var(--ink-2); flex: 1; }
.dc-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px;
  font-size: 14.5px; font-weight: 500; color: var(--acc-1); }
.dc-more i { font-style: normal; transition: transform .25s var(--ease); }
.dir-card:hover .dc-more i { transform: translateX(4px); }

/* 「全部应用场景」入口卡：品牌渐变底，与其他三张形成锚点 */
.dir-card-entry { background: var(--dark); border-color: var(--dark); }
.dir-card-entry .dir-body { padding: 32px 28px; }
.dir-card-entry .dc-num { color: var(--acc-1); font-size: 30px; letter-spacing: 0; }
.dir-card-entry h3 { color: #fff; }
.dir-card-entry .dc-en { color: var(--dark-ink-2); }
.dir-card-entry p { color: var(--dark-ink-2); }
.dir-card-entry .dc-more { color: var(--acc-1); }
.dir-card-entry:hover { border-color: var(--dark-line); }

.cap-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 40px; }
.cap-lead { font-size: 15px; font-weight: 500; color: var(--ink-3); margin-right: 4px; }
.cap-chip { display: inline-flex; align-items: center; height: 36px; padding: 0 18px; border-radius: var(--r-full);
  background: var(--bg-chip); font-size: 15px; color: var(--ink-2); white-space: nowrap; }
.hc-chips .cap-chip { background: #fff; border: 1px solid var(--line); }
.hc-slide.is-dark .cap-chip { background: var(--dark-2); border: 1px solid var(--dark-line); color: var(--dark-ink); }

/* ==========================================================================
   产品系列
   ========================================================================== */
.sec-products { background: var(--bg); }

/* 规格数字带：材料物理事实，前置的大数字（借鉴参考站的数字带范式） */
.stat-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  padding: 34px 36px; margin-bottom: 44px;
  border-radius: var(--r-lg); background: var(--dark); position: relative; overflow: hidden; }
.stat-strip::before { content: ''; position: absolute; width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 158, 119, .18) 0%, rgba(37, 99, 235, .10) 48%, transparent 72%);
  top: -240px; right: -120px; pointer-events: none; }
.stat-strip-item { position: relative; display: flex; flex-direction: column; gap: 6px; padding-left: 26px; }
.stat-strip-item + .stat-strip-item::before { content: ''; position: absolute; left: 0; top: 6px; bottom: 6px;
  width: 1px; background: var(--dark-line); }
.stat-strip-item strong { font-size: clamp(26px, 2.6vw, 36px); font-weight: 600; line-height: 1.1; letter-spacing: -.01em; }
.stat-strip-item span { font-size: 14px; color: var(--dark-ink-2); letter-spacing: .04em; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.prod-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.prod-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  overflow: hidden; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease); }
.prod-card:hover { transform: translateY(-5px); box-shadow: var(--sh); border-color: #DCE9E4; }
.prod-media { aspect-ratio: 3 / 2; background: var(--bg-chip); display: grid; place-items: center; padding: 16px; overflow: hidden; }
.prod-media img { max-height: 100%; width: auto; object-fit: contain; transition: transform .4s var(--ease); }
.prod-card:hover .prod-media img { transform: scale(1.05); }
.prod-body { padding: 20px 20px 24px; display: flex; flex-direction: column; flex: 1; }
.pc-model { font-size: 12px; font-weight: 500; letter-spacing: .1em; color: var(--acc-1); text-transform: uppercase; margin-bottom: 8px; }
.prod-body h3 { font-size: 18px; margin-bottom: 10px; }
.prod-body p { font-size: 14px; line-height: 1.8; color: var(--ink-2); flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.pc-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px;
  font-size: 14px; font-weight: 500; color: var(--acc-1); }
.pc-more i { font-style: normal; transition: transform .25s var(--ease); }
.prod-card:hover .pc-more i { transform: translateX(4px); }

/* ==========================================================================
   深色 CTA 大图带（借鉴参考站的全宽照片带 + 居中标语）
   ========================================================================== */
.cta-band { position: relative; overflow: hidden; background: var(--dark); }
.cta-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.cta-mask { position: absolute; inset: 0;
  background: linear-gradient(96deg, rgba(11, 20, 32, .92) 0%, rgba(11, 20, 32, .68) 55%, rgba(11, 20, 32, .44) 100%); }
.cta-inner { position: relative; z-index: 1; padding: 108px 24px; text-align: center;
  display: flex; flex-direction: column; align-items: center; }
.eyebrow-light { color: var(--acc-1); }
.cta-inner h2 { font-size: clamp(32px, 3.8vw, 50px); color: #fff; margin-bottom: 16px; }
.cta-sub { font-size: 16px; color: var(--dark-ink-2); margin-bottom: 34px; }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

/* ==========================================================================
   资质与背书
   ========================================================================== */
.sec-cred { background: var(--bg-soft); }
.stat-row { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; margin-bottom: 44px; }
.stat { display: flex; flex-direction: column; gap: 10px; }
.stat strong { font-size: clamp(42px, 4.2vw, 58px); font-weight: 600; line-height: 1; letter-spacing: -.02em; color: var(--ink); }
.stat span { font-size: 15px; color: var(--ink-2); }
.cred-row { display: flex; flex-wrap: wrap; gap: 12px; }
.cred-chip { display: inline-flex; align-items: center; height: 44px; padding: 0 20px; border-radius: var(--r-full);
  background: #fff; border: 1px solid var(--line); font-size: 15px; color: var(--ink-2); }

/* ==========================================================================
   新闻（左大图头条 + 右日期大数字列表，借鉴参考站的日期排版）
   ========================================================================== */
.sec-news { background: var(--bg); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.news-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease); }
.news-card:hover { transform: translateY(-5px); box-shadow: var(--sh); border-color: #DCE9E4; }
.news-media { aspect-ratio: 16 / 9; background: var(--bg-chip); overflow: hidden; }
.news-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.news-card:hover .news-media img { transform: scale(1.04); }
.news-body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.nc-date { font-size: 13px; font-weight: 500; letter-spacing: .12em; color: var(--acc-1); margin-bottom: 12px; }
.news-body h3 { font-size: 20px; line-height: 1.5; margin-bottom: 12px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-body p { font-size: 15px; line-height: 1.85; color: var(--ink-2); flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* 左大图 + 右列表 */
.news-split { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 24px; align-items: stretch; }
.news-feature { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease); }
.news-feature:hover { transform: translateY(-5px); box-shadow: var(--sh); border-color: #DCE9E4; }
.news-feature .news-media { aspect-ratio: 16 / 8.4; }
.nf-body { padding: 28px 30px 32px; display: flex; flex-direction: column; flex: 1; }
.nf-body h3 { font-size: 23px; line-height: 1.5; margin-bottom: 12px; }
.nf-body p { font-size: 15.5px; line-height: 1.85; color: var(--ink-2); flex: 1; margin-bottom: 16px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.news-rows { display: flex; flex-direction: column; gap: 14px; }
.news-row-item { flex: 1; display: grid; grid-template-columns: 92px 1fr; gap: 20px; align-items: center;
  padding: 20px 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease); }
.news-row-item:hover { transform: translateX(4px); box-shadow: var(--sh-sm); border-color: #DCE9E4; }
.nr-date { display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding-right: 18px; border-right: 1px solid var(--line); }
.nr-date strong { font-size: 34px; font-weight: 600; line-height: 1; letter-spacing: -.02em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nr-date span { font-size: 12.5px; letter-spacing: .1em; color: var(--ink-3); }
.news-row-item .nr-body h3 { font-size: 17px; line-height: 1.55; margin-bottom: 6px;
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.news-row-item .nr-body p { font-size: 14px; line-height: 1.75; color: var(--ink-3);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ==========================================================================
   联系方式
   ========================================================================== */
.sec-contact { background: var(--bg-soft); padding-bottom: 104px; }
.contact-band { display: grid; grid-template-columns: minmax(0, 1fr) 460px; gap: 72px; align-items: center;
  padding: 56px; border-radius: 28px; background: #fff; border: 1px solid var(--line); }
.cb-left h2 { font-size: clamp(30px, 3.2vw, 42px); line-height: 1.35; margin-bottom: 16px; }
.cb-sub { font-size: 16px; line-height: 1.9; color: var(--ink-2); margin-bottom: 30px; }
.cb-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.cb-info { display: flex; flex-direction: column; gap: 24px; }
.cb-info li { display: flex; flex-direction: column; gap: 6px; }
.ci-label { font-size: 14px; color: var(--ink-3); }
.ci-value { font-size: 16px; color: var(--ink); line-height: 1.7; }

/* ==========================================================================
   页脚（深色，借鉴参考站的深色页脚 + 多列导航）
   ========================================================================== */
.site-footer { background: var(--dark); padding-top: 72px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr .9fr 1.1fr 1.1fr 1.3fr; gap: 44px; padding-bottom: 56px; }
.footer-logo { margin-bottom: 20px; }
.footer-logo img { height: 40px; width: auto; }
.footer-slogan { font-size: 17px; font-weight: 500; color: #fff; margin-bottom: 10px; letter-spacing: .04em; }
.footer-desc { font-size: 14px; line-height: 1.9; color: var(--dark-ink-2); }
.footer-col h4 { font-size: 15px; font-weight: 500; color: #fff; margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col a, .footer-col li { font-size: 14px; color: var(--dark-ink-2); transition: color .2s var(--ease); }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  padding: 22px 24px 32px; border-top: 1px solid var(--dark-line); }
.footer-bottom p { font-size: 12.5px; color: var(--dark-ink-2); }
.footer-bottom a { color: var(--dark-ink-2); }
.footer-bottom a:hover { color: #fff; }
.footer-meta { font-size: 10px; letter-spacing: .26em; color: #5B6878; text-transform: uppercase; }

/* ==========================================================================
   内页头部（深色 banner，与浅色正文形成深浅穿插）
   ========================================================================== */
.page-banner { background: var(--dark); padding: 124px 0 64px; position: relative; overflow: hidden; }
.page-banner::before { content: ''; position: absolute; width: 640px; height: 640px; border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 158, 119, .14) 0%, rgba(37, 99, 235, .08) 46%, transparent 70%); top: -280px; right: -140px; }
.pb-inner { position: relative; z-index: 1; }
.crumbs { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--dark-ink-2); margin-bottom: 22px; }
.crumbs a:hover { color: #fff; }
.crumbs i { font-style: normal; opacity: .5; }
.pb-title { font-size: clamp(36px, 4vw, 54px); margin-bottom: 14px; color: #fff; }
.pb-sub { font-size: 16px; color: var(--dark-ink-2); max-width: 760px; }

.sub-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.sub-nav a { padding: 9px 18px; border-radius: var(--r-full); border: 1px solid var(--line);
  font-size: 15px; color: var(--ink-2); background: #fff; transition: all .22s var(--ease); }
.sub-nav a:hover { border-color: var(--acc-1); color: var(--acc-1); transform: translateY(-1px); }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease); }
.card:hover { transform: translateY(-5px); box-shadow: var(--sh); border-color: #DCE9E4; }
.card-media { position: relative; aspect-ratio: 16 / 10; background: var(--bg-chip); display: grid; place-items: center; padding: 18px; overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.card:hover .card-media img { transform: scale(1.04); }
.card-index { position: absolute; top: 14px; right: 16px; font-size: 11px; font-weight: 600; letter-spacing: .1em;
  color: #fff; background: rgba(11, 20, 32, .45); backdrop-filter: blur(6px); padding: 3px 10px; border-radius: var(--r-full); }
.card-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.card-kicker { font-size: 13px; font-weight: 500; letter-spacing: .1em; color: var(--acc-1); text-transform: uppercase; margin-bottom: 10px; }
.card-body h3 { font-size: 20px; margin-bottom: 10px; }
.card-body p { font-size: 15px; line-height: 1.85; color: var(--ink-2); flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card-body .link-more { margin-top: 16px; }

.link-more { display: inline-flex; align-items: center; gap: 6px; font-size: 14.5px; font-weight: 500; color: var(--acc-1); }
.link-more i { font-style: normal; transition: transform .25s var(--ease); }
.link-more:hover i { transform: translateX(4px); }

.news-list { display: flex; flex-direction: column; gap: 18px; }
.news-row { display: grid; grid-template-columns: 300px 1fr; gap: 28px; padding: 20px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); align-items: center;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease); }
.news-row:hover { transform: translateY(-3px); box-shadow: var(--sh); border-color: #DCE9E4; }
.nr-media { aspect-ratio: 16 / 10; border-radius: var(--r-sm); overflow: hidden; background: var(--bg-chip); }
.nr-media img { width: 100%; height: 100%; object-fit: cover; }
.nr-date { font-size: 14px; letter-spacing: .08em; color: var(--ink-3); }
.nr-body h3 { font-size: 21px; margin: 8px 0 10px; }
.nr-body p { font-size: 16px; line-height: 1.85; color: var(--ink-2); margin-bottom: 14px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.empty { padding: 80px 0; text-align: center; color: var(--ink-3); }

.detail-hero { background: var(--dark); padding: 124px 0 72px; position: relative; overflow: hidden; }
.detail-hero::before { content: ''; position: absolute; width: 680px; height: 680px; border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 158, 119, .14) 0%, rgba(37, 99, 235, .08) 46%, transparent 70%); top: -300px; right: -180px; }
.dh-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 64px; align-items: center; margin-top: 26px; position: relative; z-index: 1; }
.dh-kicker { display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--acc-1); margin-bottom: 16px; }
.dh-copy h1 { font-size: clamp(34px, 3.8vw, 52px); margin-bottom: 18px; color: #fff; }
.dh-sum { font-size: 17px; line-height: 1.9; color: var(--dark-ink-2); margin-bottom: 24px; max-width: 620px; }
.dh-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.dh-chips li { padding: 7px 16px; border-radius: var(--r-full); font-size: 14px; color: var(--dark-ink); background: var(--dark-2); border: 1px solid var(--dark-line); }
.dh-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.dh-date { font-size: 15px; color: var(--dark-ink-2); }
.dh-figure { margin: 0; border-radius: var(--r-lg); overflow: hidden; background: #fff; border: 1px solid var(--dark-line); aspect-ratio: 4 / 3; display: grid; place-items: center; padding: 20px; }
.dh-figure img { max-width: 100%; max-height: 100%; object-fit: contain; }
.detail-hero .crumbs { color: var(--dark-ink-2); }
/* 深色 hero 上的描边按钮：默认深色文字在深底上不可见 */
.detail-hero .btn-outline { color: #fff; border-color: rgba(255, 255, 255, .45); }
.detail-hero .btn-outline:hover { border-color: #fff; color: #fff; }

.effects-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.effect-item { background: #fff; padding: 30px 22px; text-align: center; }
.ei-value { display: block; font-size: clamp(20px, 2.4vw, 27px); font-weight: 600; letter-spacing: -.01em;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 8px; }
.ei-label { font-size: 14px; color: var(--ink-2); }
.effects-note { margin-top: 16px; font-size: 14px; line-height: 1.8; color: var(--ink-3); }

.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 370px; gap: 56px; align-items: start; }
.prose { font-size: 17px; line-height: 1.9; color: var(--ink-2); min-width: 0; }
.prose > * + * { margin-top: 18px; }
.prose h2 { font-size: 25px; margin-top: 44px; }
.prose h3 { font-size: 20px; margin-top: 36px; }
.prose strong { color: var(--ink); font-weight: 500; }
.prose em { font-style: normal; color: var(--acc-1); }
.prose p.lead { font-size: 18px; color: var(--ink); }
.prose ul, .prose ol { display: flex; flex-direction: column; gap: 10px; }
.prose ul li { position: relative; padding-left: 20px; }
.prose ul li::before { content: ''; position: absolute; left: 4px; top: .78em; width: 5px; height: 5px; border-radius: 50%; background: var(--acc-1); }
.prose ol { counter-reset: n; }
.prose ol li { counter-increment: n; position: relative; padding-left: 30px; }
.prose ol li::before { content: counter(n); position: absolute; left: 0; top: .16em; width: 20px; height: 20px; border-radius: 50%;
  background: var(--bg-chip); color: var(--acc-2); font-size: 11px; font-weight: 600; display: grid; place-items: center; }
.prose img { border-radius: var(--r-sm); margin-top: 22px; }
.prose .figure-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.prose .figure-row img { margin-top: 0; }
.prose .figure-wide { width: 100%; }

.spec-table { width: 100%; border-collapse: collapse; font-size: 16px; margin-top: 24px;
  border: 1px solid var(--line); border-radius: var(--r-sm); overflow: hidden; }
.spec-table thead th { background: var(--bg-soft); color: var(--ink); font-weight: 500; text-align: left; padding: 14px 18px; font-size: 15px; white-space: nowrap; }
.spec-table td, .spec-table tbody th { padding: 14px 18px; border-top: 1px solid var(--line); color: var(--ink-2); vertical-align: top; text-align: left; font-weight: 400; }
.spec-table tbody tr:nth-child(even) { background: #FCFDFF; }
.spec-table.compact tbody th { width: 48%; color: var(--ink-2); font-weight: 400; background: transparent; }
.spec-table.compact td { color: var(--ink); font-weight: 500; }
.table-scroll { max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; overscroll-behavior-x: contain; }

/* 对比表首列是短维度标签。table-layout:auto 会把它压到 50px 出头，
   "感知原理"被拆成一字一行——这里保住最小宽度，让它最多两行。 */
.spec-table-labels.spec-cols-wide thead th:first-child,
.spec-table-labels.spec-cols-wide tbody th,
.spec-table-labels.spec-cols-wide tbody td:first-child,
.spec-table-labels.spec-cols-3 thead th:first-child,
.spec-table-labels.spec-cols-3 tbody th,
.spec-table-labels.spec-cols-3 tbody td:first-child { min-width: 6em; }

/* 手机上的 3 列表：表头允许换行 + 首列留够 4 个汉字的宽度，
   整张表就能放进容器，不必横向滑动。
   表头若保持 nowrap，会撑住表格最小宽度，"维度 / PVDF 柔性薄膜方案 / 现有主流方案"这一行
   放不下，表格只能溢出。首列 5.7em ≈ 91px = 4 字(64px) + 左右内边距(26px)。 */
@media (max-width: 680px) {
  .spec-table-labels.spec-cols-3 thead th { white-space: normal; }
  .spec-table-labels.spec-cols-3 thead th:first-child,
  .spec-table-labels.spec-cols-3 tbody th,
  .spec-table-labels.spec-cols-3 tbody td:first-child { min-width: 5.7em; }
}

/* 表格确实横向溢出时才由 JS 插入的滑动提示 */
.table-hint { margin-top: 10px; font-size: 14px; line-height: 1.6; color: var(--ink-3); }
.note-mark { display: inline-grid; place-items: center; width: 15px; height: 15px; margin-left: 5px; border-radius: 50%;
  background: var(--bg-chip); color: var(--acc-2); font-size: 10px; font-style: normal; font-weight: 600; cursor: help; vertical-align: middle; }

.detail-aside { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 104px; }
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 26px 24px; }
.panel-title { font-size: 16px; font-weight: 500; color: var(--ink); margin-bottom: 16px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.tick-list, .fact-list, .contact-mini { display: flex; flex-direction: column; gap: 11px; }
.tick-list li { position: relative; padding-left: 20px; font-size: 15px; color: var(--ink-2); }
.tick-list li::before { content: ''; position: absolute; left: 2px; top: .66em; width: 6px; height: 3px;
  border-left: 1.5px solid var(--acc-1); border-bottom: 1.5px solid var(--acc-1); transform: rotate(-45deg); }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list li { padding: 5px 12px; border-radius: var(--r-full); background: var(--bg-chip); color: var(--ink-2); font-size: 14px; }
.fact-list li { display: flex; justify-content: space-between; gap: 14px; font-size: 15px; padding-bottom: 11px; border-bottom: 1px dashed var(--line); }
.fact-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.fl-label { color: var(--ink-3); }
.fl-value { color: var(--ink); font-weight: 500; text-align: right; }
.panel-foot { margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--line); font-size: 12.5px; color: var(--acc-1); font-weight: 500; }
.contact-mini li { display: flex; flex-direction: column; gap: 3px; }
.cm-label { font-size: 14px; color: var(--ink-3); }
.cm-value { font-size: 15px; color: var(--ink); line-height: 1.7; }
.panel-qr { text-align: center; }
.panel-qr img { width: 148px; margin: 0 auto 12px; }
.panel-qr p { font-size: 12.5px; color: var(--ink-2); }

.culture-grid, .member-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.culture-card, .member-card { padding: 34px 28px; border-radius: var(--r-lg); border: 1px solid var(--line); background: #fff; }
.cc-dot { display: block; width: 30px; height: 3px; border-radius: 2px; background: var(--grad); margin-bottom: 22px; }
.culture-card h3, .member-card h3 { font-size: 20px; margin-bottom: 12px; }
.culture-card p, .member-card p { font-size: 16px; line-height: 1.9; color: var(--ink-2); }
.mc-index { font-size: 11px; font-weight: 600; letter-spacing: .16em; color: var(--ink-4); }

.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gallery-item { margin: 0; border-radius: var(--r-sm); overflow: hidden; border: 1px solid var(--line);
  background: var(--bg-soft); cursor: zoom-in; aspect-ratio: 4 / 3; display: grid; place-items: center; padding: 10px;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease); }
.gallery-item:hover { transform: translateY(-3px); box-shadow: var(--sh-sm); }
.gallery-item img { max-height: 100%; width: auto; object-fit: contain; }

.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(11, 20, 32, .82); display: grid; place-items: center; padding: 40px; }
/* 注意：display 会覆盖 [hidden] 的浏览器默认样式，必须显式补回 */
.lightbox[hidden] { display: none; }
.lightbox img { max-width: 92vw; max-height: 88vh; object-fit: contain; border-radius: var(--r-sm); }
.lb-close { position: absolute; top: 24px; right: 28px; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.35);
  background: transparent; color: #fff; border-radius: 50%; font-size: 22px; line-height: 1; }

.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.related-card { display: flex; align-items: center; gap: 14px; padding: 18px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  transition: transform .26s var(--ease), box-shadow .26s var(--ease), border-color .26s var(--ease); }
.related-card:hover { transform: translateY(-3px); box-shadow: var(--sh-sm); border-color: #DCE9E4; }
.rc-media { flex-shrink: 0; width: 56px; height: 56px; border-radius: var(--r-xs); overflow: hidden; background: var(--bg-chip); }
.rc-media img { width: 100%; height: 100%; object-fit: cover; }
/* 没有封面的条目（如商务服务的子页）：给一个与品牌一致的占位块，
   不要输出 src="" 的 img —— 空 src 不触发 error，浏览器会显示破图图标。 */
/* 无封面时的品牌占位块：统一在 _media.ejs / detail.ejs 相关阅读里使用。
   不要输出 <img src=""> —— 空 src 不触发 error，onerror 兜底会失效，直接显示破图。 */
.media-fallback { display: block; width: 100%; height: 100%; background: var(--grad); opacity: .18; }
.related-card span { font-size: 15px; color: var(--ink); line-height: 1.5; }

.error-main { padding: 200px 0 140px; text-align: center; background: var(--bg-soft); }
.err-code { font-size: 80px; font-weight: 600; line-height: 1; background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.error-main h1 { font-size: 26px; margin: 18px 0 12px; }
.err-sub { color: var(--ink-2); margin-bottom: 32px; }

/* ==========================================================================
   滚动入场
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s var(--ease), transform .65s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1180px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-grid { grid-template-columns: repeat(3, 1fr); }
  .hc-inner { grid-template-columns: minmax(0, 1fr) 440px; gap: 44px; }
  .hero-concept .hc-inner { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .dir-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1.1fr; }
  .footer-col:last-child { grid-column: span 1; }
}

@media (max-width: 980px) {
  .menu-toggle { display: flex; }
  .header-actions { margin-left: auto; }

  /* 高度用显式 calc 而不是 bottom:0 —— header 的 backdrop-filter 会成为 fixed
     后代的 containing block，bottom:0 会相对 header 底边（高度被压扁）而非视口。 */
  .main-nav { position: fixed; top: var(--nav-h); right: 0; width: min(86vw, 380px);
    height: calc(100vh - var(--nav-h));
    background: #fff; padding: 20px 18px 60px; overflow-y: auto; margin-left: 0;
    transform: translateX(102%); transition: transform .36s var(--ease);
    box-shadow: -10px 0 40px rgba(11, 20, 32, .08); z-index: 88; }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .main-nav > ul > li > a { padding: 15px 14px; border-radius: var(--r-sm); font-size: 16px; justify-content: space-between; }
  .main-nav > ul > li > a::after { display: none; }

  /* mega 面板在移动端回退为普通手风琴（静态、随 max-height 展开） */
  .mega {
    position: static; opacity: 1; visibility: visible; pointer-events: auto; transform: none;
    background: transparent; border: 0; box-shadow: none; backdrop-filter: none;
    max-height: 0; overflow: hidden; transition: max-height .3s var(--ease);
  }
  .has-sub.is-open .mega { max-height: 760px; }
  .has-sub.is-open .caret { transform: rotate(225deg) translateY(2px); }
  .mega-inner { grid-template-columns: 1fr; gap: 0; padding: 0 0 8px 12px; }
  .mega-main { opacity: 1; transform: none; transition: none; }
  .mega-title { font-size: 15px; padding-bottom: 8px; margin-bottom: 6px; }
  .mega-title::after { display: none; }
  .mega-links { grid-template-columns: 1fr; gap: 0; }
  .mega-links a { padding: 9px 0 9px 18px; font-size: 15px; color: var(--ink-2); white-space: normal; }
  .mega-side { flex-direction: row; gap: 10px; margin-top: 10px; }
  .mega-card { flex: 1; flex-direction: column; align-items: stretch; gap: 8px; padding: 8px; opacity: 1; transform: none; transition: none; }
  .mc-media { width: 100%; }
  .mc-text { font-size: 13px; }

  .hc-slide { min-height: 0; min-width: 0; grid-template-columns: minmax(0, 1fr); padding: 40px 0 56px; }
  /* 移动端切换帧仍参与网格排版，活动页高度由实际内容撑开，避免绝对定位帧造成轨道塌陷 */
  .hero-concept .hc-track { display: grid; }
  .hero-concept .hc-track > .hc-slide,
  .hero-concept .hc-track > .hc-slide:not(:first-child) { position: relative; inset: auto; grid-area: 1 / 1; }
  .hc-inner { grid-template-columns: minmax(0, 1fr); gap: 36px; min-width: 0; }
  .hc-slide-directions .hc-inner { padding-top: 28px; min-width: 0; grid-template-columns: minmax(0, 1fr); }
  .hc-slide-directions .hc-figure-integrated { min-height: 230px; }
  .hc-direction-rail { margin-top: -4px; padding-bottom: 22px; }

  .hc-direction-item { flex-direction: column; align-items: flex-start; gap: 6px; white-space: normal; }
  .hc-direction-item + .hc-direction-item::before { display: none; }
  .hc-direction-scene { inset: auto 0 0; height: 62%; }
  .hc-scene-vignette { background: linear-gradient(180deg, #07111f 0%, rgba(7,17,31,.82) 18%, rgba(7,17,31,.24) 55%, rgba(7,17,31,.38) 100%); }

  .hero-concept .hc-inner { min-height: 0; min-width: 0; grid-template-columns: minmax(0, 1fr); gap: 24px; padding-left: 24px; padding-right: 24px; }
  .hero-concept .hc-copy { max-width: 720px; min-width: 0; }
  .hero-concept .hc-hero-scene img { object-position: 64% center; }
  .hero-concept .hc-slide.is-dark::after {
    background:
      linear-gradient(180deg, rgba(5,13,24,.18) 0%, rgba(5,13,24,.18) 42%, rgba(5,13,24,.74) 100%),
      linear-gradient(90deg, rgba(5,13,24,.62) 0%, rgba(5,13,24,.16) 58%, rgba(5,13,24,.2) 100%);
  }
  .hero-concept .hc-slide.is-dark:not(.is-active) { display: none; }
  .hero-concept .hc-slide.is-dark.is-active { display: grid; }
  .hc-arrow { display: none; }
  .dir-grid { grid-template-columns: 1fr; }
  .news-grid, .card-grid { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .news-split { grid-template-columns: 1fr; }
  /* 必须是 minmax(0, 1fr)：写成 1fr 时 auto 最小值会被正文里的宽表格撑爆，
     整个正文列会顶到 580px+，页面出现横向溢出。 */
  .detail-layout { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .detail-aside { position: static; }
  .dh-grid { grid-template-columns: 1fr; gap: 34px; }
  .contact-band { grid-template-columns: 1fr; gap: 36px; padding: 40px 32px; }
  .news-row { grid-template-columns: 1fr; gap: 18px; }
  .culture-grid, .member-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .stat-row { justify-content: flex-start; gap: 48px; }
  .stat-strip { grid-template-columns: 1fr; gap: 24px; padding: 30px 28px; }
  .stat-strip-item { padding-left: 22px; }
}

@media (max-width: 680px) {
  .wrap { padding: 0 18px; }
  .section { padding: 64px 0; }

  /* 顶部工具条已整体移除（--topbar-h 恒为 0） */
  .header-main { border-bottom-color: var(--line); }

  /* mega 手风琴里的推荐卡在窄屏改单列，避免两张卡挤在一起 */
  .mega-side { flex-direction: column; }

  /* 内页区块在窄屏收紧 */
  .section-sub { padding: 36px 0 0; }
  .section-list { padding-top: 32px; }
  .section-body { padding-top: 40px; }
  .section-effects { padding: 40px 0 0; }
  .section-related { padding: 56px 0; }
  .section-head { margin-bottom: 28px; }
  .sec-head { margin-bottom: 32px; }
  .sec-head-row { flex-direction: column; align-items: flex-start; gap: 22px; }
  .why-grid, .news-grid, .card-grid, .related-grid, .prod-grid { grid-template-columns: 1fr; }
  .dir-grid-4 { grid-template-columns: 1fr; }
  .effects-band { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .hero-carousel { padding-top: var(--header-h); }
  .hc-slide { padding: 32px 0 56px; }
  .hero-concept .hc-title { letter-spacing: .035em; }
  .hero-concept .hc-title span,
  .hero-concept .hc-title .grad { letter-spacing: .04em; }
  .hero-concept .hc-title { font-size: clamp(50px, 13vw, 68px); }
  .hero-concept .hc-title::after { margin-top: 20px; width: 54px; height: 2px; }
  .hero-concept .hc-slide-directions .hc-inner { padding-top: 28px; }
  .hero-concept .hc-slide-directions .hc-figure-integrated { min-height: 230px; }
  .hero-concept .hc-direction-rail { margin-top: -4px; padding-bottom: 22px; }

  .hero-concept .hero-index { margin-bottom: 20px; }
  .hero-concept .hc-desc { font-size: 16px; margin-bottom: 22px; }
  .hero-concept .hero-proof { margin: -5px 0 20px; }
  .hero-concept .hc-slide.is-dark { padding: 42px 0 56px; }
  .hero-concept .hc-inner { min-height: 0; min-width: 0; grid-template-columns: minmax(0, 1fr); gap: 20px; padding-left: 18px; padding-right: 18px; }
  .hero-concept .hc-slide-directions { min-height: 0; }
  .hero-concept .hc-slide-directions .hc-inner {
    min-height: 0;
    min-width: 0;
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-concept .hc-figure { aspect-ratio: 4 / 3; }
  .hero-concept .hc-slide.is-dark:not(.is-active) { display: none; }
  .hero-concept .hc-slide.is-dark.is-active { display: grid; }
  .hc-cta { width: 100%; }
  .hc-cta .btn { width: 100%; }
  .hc-figure { aspect-ratio: 4 / 3; }
  .hc-dots { bottom: 16px; }

  .page-banner, .detail-hero { padding: 100px 0 52px; }
  /* 两个并排按钮在窄屏会挤在一起，改为纵向撑满 */
  .dh-actions { flex-direction: column; align-items: stretch; }
  .dh-actions .btn { width: 100%; }
  .cta-inner { padding: 76px 18px; }
  .cta-actions { width: 100%; flex-direction: column; }
  .cta-actions .btn { width: 100%; }
  .contact-band { padding: 32px 22px; border-radius: 22px; }
  .cb-actions { flex-direction: column; }
  .cb-actions .btn { width: 100%; }
  .stat-row { gap: 32px 40px; }
  .stat strong { font-size: 36px; }
  .news-feature .nf-body { padding: 22px 22px 26px; }
  .news-row-item { grid-template-columns: 72px 1fr; gap: 14px; padding: 16px 18px; }
  .nr-date strong { font-size: 26px; }
  .prose { font-size: 17px; }
  .prose .figure-row { grid-template-columns: 1fr; }
  .spec-table { font-size: 16px; }
  .spec-table td, .spec-table tbody th, .spec-table thead th { padding: 11px 13px; }
  .spec-table.compact tbody th { width: 50%; }
  .cap-row { gap: 10px; }
  .cap-chip { height: 32px; padding: 0 14px; font-size: 15px; }
}

/* ==========================================================================
   内页补充样式
   （模板结构沿用旧类名，这里统一补齐，避免重写时漏掉内页）
   ========================================================================== */

/* 标题区装饰光晕 */
.orb { position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none; }
.orb-a { width: 460px; height: 460px; background: rgba(14, 158, 119, .10); }
.orb-b { width: 420px; height: 420px; background: rgba(37, 99, 235, .08); }
.pb-bg, .dh-bg { position: absolute; inset: 0; overflow: hidden; }
.pb-bg .orb-a { top: -180px; right: -110px; }
.pb-bg .orb-b { bottom: -220px; left: -150px; }
.dh-bg .orb-a { top: -200px; right: -130px; }
.dh-bg .orb-b { bottom: -200px; left: -130px; }

/* 内页区块之间的节奏 */
.section-sub { padding: 56px 0 0; }
.section-list { padding-top: 48px; }
.section-body { padding-top: 56px; }
.section-effects { padding: 56px 0 0; }
.section-related { padding: 80px 0; background: var(--bg-soft); }
.section-head { max-width: 820px; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(30px, 3.4vw, 44px); margin-bottom: 12px; }
.section-head .eyebrow { margin-bottom: 12px; }

/* 页脚：品牌栏与联系栏 */
.footer-brand { min-width: 0; }
.footer-contact li { display: flex; gap: 9px; align-items: flex-start; }
.fi { color: var(--acc-1); flex-shrink: 0; font-style: normal; }

/* 资质证书网格（图更密） */
.gallery-grid.is-doc { grid-template-columns: repeat(4, 1fr); }

/* 正文中的两栏图组 */
.prose .figure-row { margin-top: 22px; }
.prose .figure-row img { border-radius: var(--r-sm); }

/* 详情页头图的图片缺失兜底 */
.dh-figure .img-missing { width: 100%; height: 100%; }
.card-media .img-missing { width: 100%; height: 100%; }
.news-media .img-missing, .dir-media .img-missing { width: 100%; height: 100%; }

/* 页面级微调 */
.page-collection .section-list .empty { padding: 100px 0; }
.page-detail .section-body .prose > :first-child { margin-top: 0; }


/* ==========================================================================
   快捷入口卡（借鉴参考站底部快捷卡） + 热门检索词条带
   ========================================================================== */
.sec-quick { background: var(--bg-soft); padding-bottom: 96px; }
.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.quick-card { position: relative; display: flex; flex-direction: column; padding: 30px 26px 32px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease); }
.quick-card:hover { transform: translateY(-5px); box-shadow: var(--sh); border-color: #DCE9E4; }
.qc-icon { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 18px;
  border-radius: var(--r-sm); background: var(--grad); color: #fff; font-size: 19px; font-style: normal; }
.quick-card h3 { font-size: 19px; margin-bottom: 6px; }
.qc-en { font-size: 10.5px; font-weight: 500; letter-spacing: .22em; text-transform: uppercase;
  color: var(--ink-4); margin-bottom: 12px; }
.quick-card p { font-size: 14.5px; line-height: 1.8; color: var(--ink-2); }
.qc-arrow { position: absolute; right: 22px; bottom: 26px; font-style: normal; color: var(--acc-1);
  font-size: 17px; transition: transform .25s var(--ease); }
.quick-card:hover .qc-arrow { transform: translateX(4px); }

.hot-band { background: var(--grad); }
.hot-band-inner { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 26px; padding-top: 17px; padding-bottom: 17px; }
.hot-lead { font-size: 14px; font-weight: 600; color: #04121C; letter-spacing: .06em; margin-right: 4px; }
.hot-band-inner a { font-size: 14.5px; color: rgba(255, 255, 255, .92);
  transition: color .2s var(--ease), opacity .2s var(--ease); }
.hot-band-inner a:hover { color: #fff; }

@media (max-width: 980px) {
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .quick-grid { grid-template-columns: 1fr; }
  .sec-quick { padding-bottom: 64px; }
  .hot-band-inner { gap: 6px 18px; }
}

/* ==========================================================================
   在线商城页（店铺卡：外链店铺 + 公众号二维码）
   ========================================================================== */
.mall-section { background: var(--bg-soft); padding-bottom: 104px; }
.mall-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.mall-card { position: relative; display: flex; flex-direction: column; padding: 36px 30px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease); }
a.mall-card:hover { transform: translateY(-5px); box-shadow: var(--sh); border-color: #DCE9E4; }
.mc-icon { display: grid; place-items: center; width: 56px; height: 56px; margin-bottom: 20px;
  border-radius: var(--r); background: var(--grad); color: #fff; font-size: 23px; font-weight: 600; }
.mall-card h3 { font-size: 21px; margin-bottom: 10px; }
.mall-card p { font-size: 15px; line-height: 1.85; color: var(--ink-2); flex: 1; }
.mall-go { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px;
  font-size: 14.5px; font-weight: 500; color: var(--acc-1); }
.mall-go i { font-style: normal; transition: transform .25s var(--ease); }
a.mall-card:hover .mall-go i { transform: translateX(4px); }
.mall-card-qr .mqr-media { width: 168px; aspect-ratio: 1; margin-bottom: 18px;
  border-radius: var(--r-sm); overflow: hidden; background: #fff; border: 1px solid var(--line); }
.mall-card-qr .mqr-media img { width: 100%; height: 100%; object-fit: cover; }
.mall-wechat-id { margin-top: 6px; font-size: 13.5px; color: var(--ink-3); letter-spacing: .02em; }

@media (max-width: 980px) {
  .mall-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
}

/* 渠道卡二维码小图（无链接渠道） */
.mqr-thumb { display: block; width: 132px; aspect-ratio: 1; margin-bottom: 16px;
  border-radius: var(--r-sm); overflow: hidden; background: #fff; border: 1px solid var(--line); }
.mqr-thumb img { width: 100%; height: 100%; object-fit: cover; }