/* ==========================================================================
   WCIMCI Creative LED — design system
   Base: white surfaces, #f5f5f7 sections, #0071e3 accent, tight display type.
   ========================================================================== */

:root {
  --ink: #1d1d1f;
  --ink-2: #3a3a3c;
  --muted: #626268;
  --muted-2: #86868b;
  --paper: #f5f5f7;
  --line: #d2d2d7;
  --line-soft: #e5e5e8;
  --blue: #0071e3;
  --blue-dark: #0062c4;
  --blue-tint: #e8f2ff;
  --night: #0b0d12;
  --night-2: #14171e;
  --gold: #f0a94c;
  --radius: 22px;
  --radius-sm: 14px;
  --shell: 1240px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; text-wrap: balance; overflow-wrap: break-word; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }

.shell { width: min(var(--shell), calc(100% - 48px)); margin-inline: auto; }

.skip-link {
  position: fixed; top: -80px; left: 18px; z-index: 400;
  background: #fff; padding: 12px 22px; border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,.16); font-size: 14px;
}
.skip-link:focus { top: 14px; }

/* ---------- type ---------- */

.display {
  font-size: clamp(40px, 5.6vw, 76px);
  line-height: 1.06;
  letter-spacing: -.05em;
  font-weight: 650;
}
.h2 {
  font-size: clamp(30px, 3.6vw, 50px);
  line-height: 1.1;
  letter-spacing: -.042em;
  font-weight: 650;
}
.h3 {
  font-size: clamp(21px, 2.2vw, 27px);
  line-height: 1.22;
  letter-spacing: -.028em;
  font-weight: 640;
}
.kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 640;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.lede {
  font-size: clamp(18px, 1.9vw, 22px);
  line-height: 1.55;
  color: var(--muted);
}
.body-copy p + p { margin-top: 18px; }
.body-copy p { color: var(--muted); font-size: 17px; line-height: 1.72; }
.body-copy strong { color: var(--ink); font-weight: 640; }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
  white-space: nowrap;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--ink); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; }
.btn-onDark { border-color: rgba(255,255,255,.32); color: #fff; }
.btn-onDark:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.6); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--blue); font-size: 15px; font-weight: 600;
}
.link-arrow:hover { color: var(--blue-dark); }
.link-arrow svg { transition: transform .2s var(--ease); }
.link-arrow:hover svg { transform: translateX(3px); }

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255,255,255,.86);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,.07);
}
.nav-shell {
  width: min(var(--shell), calc(100% - 48px));
  margin-inline: auto;
  min-height: 70px;
  display: grid;
  /* 左右两栏按内容取宽，导航居中占用剩余空间：
     原来 minmax(0,1fr) 把右侧压到 270px 放不下「电话+按钮」，号码被挤成 4 行 */
  grid-template-columns: auto minmax(0,1fr) auto;
  align-items: center;
  column-gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-lock {
  --lock-h: 40px;
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-lock img { height: var(--lock-h); width: auto; display: block; }
.brand-word {
  font-size: calc(var(--lock-h) * .55);
  font-weight: 730;
  letter-spacing: .07em;
  text-indent: .07em;
  line-height: 1;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}
.brand-mark {
  font-size: 21px;
  font-weight: 750;
  letter-spacing: -.03em;
  color: var(--ink);
}
.brand-sub {
  font-size: 11px;
  font-weight: 640;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted-2);
  padding-left: 9px;
  border-left: 1px solid var(--line);
}

.main-nav { display: flex; align-items: center; gap: 0; justify-self: center; }
.main-nav > a,
.nav-parent > a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 9px 10px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 520;
  color: var(--ink-2);
  transition: color .18s, background .18s;
}
.main-nav > a:hover,
.nav-parent > a:hover,
.main-nav > a.active { color: var(--blue); }
.nav-parent > a.active { color: var(--blue); }
.nav-caret { width: 9px; height: 9px; opacity: .55; transition: transform .2s; }
.nav-parent:hover .nav-caret { transform: rotate(180deg); }

.nav-actions { display: flex; align-items: center; gap: 10px; justify-self: end; min-width: max-content; }
/* 手机抽屉里的 WhatsApp / 电话：桌面不显示，只在展开的导航面板底部出现 */
.nav-mobile-cta { display: none; }
/* 手机端按钮文字收短，给品牌字腾位置 */
.nav-cta .cta-short { display: none; }
.nav-phone {
  font-size: 14px; font-weight: 560; color: var(--ink-2);
  padding: 8px 14px 8px 0; margin-right: 4px;
  border-right: 1px solid rgba(0,0,0,.09);
  white-space: nowrap; flex: none;
}
.nav-wa {
  width: 36px; height: 36px; border-radius: 50%; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  color: #1faa52; background: rgba(37,211,102,.09);
  border: 1px solid rgba(37,211,102,.24);
  transition: background .2s var(--ease), color .2s, transform .2s var(--ease);
}
.nav-wa:hover { background: #25d366; border-color: #25d366; color: #fff; transform: translateY(-1px); }
.nav-cta { padding: 10px 18px; font-size: 14px; flex: none; }
.menu-button {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--line-soft);
  background: #fff;
  border-radius: 10px;
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.menu-button i { display: block; width: 16px; height: 1.8px; background: var(--ink); transition: transform .22s var(--ease), opacity .18s; }
.menu-button[aria-expanded="true"] i:first-child { transform: translateY(3.4px) rotate(45deg); }
.menu-button[aria-expanded="true"] i:last-child { transform: translateY(-3.4px) rotate(-45deg); }

/* mega menu */
.mega {
  position: absolute;
  left: 0; right: 0;
  top: 100%;
  background: #fff;
  border-bottom: 1px solid var(--line-soft);
  box-shadow: 0 28px 50px rgba(0,0,0,.09);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
  z-index: 80;
}
.nav-parent:hover .mega,
.nav-parent:focus-within .mega { opacity: 1; visibility: visible; transform: translateY(0); }
.mega-inner {
  width: min(var(--shell), calc(100% - 48px));
  margin-inline: auto;
  padding: 30px 0 34px;
  display: grid;
  grid-template-columns: 1.1fr 1.6fr;
  gap: 44px;
}
.mega-lead h3 { font-size: 22px; letter-spacing: -.03em; font-weight: 650; }
.mega-lead p { color: var(--muted); font-size: 14.5px; margin-top: 8px; max-width: 300px; }
.mega-lead .link-arrow { margin-top: 14px; font-size: 14px; }
.mega-list { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 26px; }
.mega-list a { display: block; padding: 9px 10px; border-radius: 10px; }
.mega-list a:hover { background: var(--paper); }
.mega-list strong { display: block; font-size: 15px; font-weight: 600; color: var(--ink); }
.mega-list span { display: block; font-size: 13px; color: var(--muted-2); line-height: 1.45; margin-top: 2px; }

/* ---------- hero ---------- */

.hero {
  background: var(--paper);
  padding: 26px 0 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-copy { max-width: 880px; margin-inline: auto; padding: 54px 0 66px; }
.brand-lock.is-hero { --lock-h: 66px; display: flex; width: fit-content; margin: 0 auto 24px; }
.hero .kicker { color: var(--muted); }
.brand-lock.is-about { --lock-h: 54px; margin: 24px 0 20px; }
.hero h1 { margin: 20px 0 0; }
.hero h1 em { font-style: normal; color: var(--blue); }
.hero p.lede { margin: 24px auto 0; max-width: 640px; }
.hero-actions {
  display: flex; gap: 16px; justify-content: center; align-items: center;
  flex-wrap: wrap; margin-top: 30px;
}
/* YouTube chip — sits after the two hero buttons */
.yt-chip {
  display: inline-flex; align-items: center; gap: 9px;
  height: 46px; padding: 0 16px 0 7px; border-radius: 999px;
  border: 1px solid var(--line-soft); background: #fff; color: var(--ink);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.yt-chip:hover { border-color: rgba(0,0,0,.16); box-shadow: 0 8px 20px rgba(0,0,0,.07); transform: translateY(-1px); }
.yt-ico {
  width: 32px; height: 32px; border-radius: 50%; flex: none;
  background: #ff2b1c; color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
}
.yt-txt { display: flex; flex-direction: column; line-height: 1.15; }
.yt-txt strong { font-size: 13.5px; font-weight: 620; letter-spacing: -.01em; }
.yt-txt small { font-size: 11.5px; font-weight: 520; color: var(--muted-2); }
.hero-figure {
  margin-top: 0;
  position: relative;
  --hero-r: var(--radius);
  border-radius: var(--hero-r);
  overflow: hidden;
  background: var(--night);
  aspect-ratio: 2 / 1;
  display: grid;
  place-items: center;
  /* 裁 video 的圆角要在两套引擎上用两种办法：
     iOS 的 AVPlayerLayer 会逃出 DOM 裁剪，得把容器提成合成层才管得住；
     Android 恰好相反，容器一带 transform 反而裁不住子级 video。
     所以默认不加 transform，只给 iOS 打补丁（-webkit-touch-callout 是 Safari 独有）。 */
  isolation: isolate;
}
@supports (-webkit-touch-callout: none) {
  .hero-figure { transform: translateZ(0); }
}
.hero-figure img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
/* 视频底下垫一张真图。iOS Safari 对 preload="none" 且没有 src 的 video
   不渲染 poster 属性，只给一块黑 —— 首屏刚打开就是黑的，得等视频下完才亮。
   垫一张 37 KB 的 webp，立刻有画面；视频能播了再淡入盖上去。 */
.hero-fallback {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  display: block;
  z-index: 0;
}
/* 视频正好铺满，不向外溢出：母版顶部那 12 行黑边转码时已经裁掉了，不会有露底缝。
   圆角靠两道保险 —— 父级 .hero-figure / .hero-slide 的 overflow 裁一遍，
   video 自己也 inherit 一份，某些 Android WebView 里只认后者。 */
.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: var(--night);
  border-radius: inherit;
  -webkit-clip-path: none;
  clip-path: none;
  z-index: 1;
  opacity: 0;
  transition: opacity .45s var(--ease);
  /* 不吃指针事件：安卓上手指滑过视频会把它点成原生播放器（带进度条/下载/全屏，
     还变成悬浮窗跟着页面滚）。让触摸直接落到父级，滑动手势照常，视频也点不开。 */
  pointer-events: none;
}
.hero-video.is-ready { opacity: 1; }

/* webp 优先的图片容器：不改变原有布局，只做格式分发 */
.media-pic { display: contents; }

/* hero slider */
.hero-slide {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  overflow: hidden;
  opacity: 0;
  /* 非当前帧彻底不参与绘制：视频层单独提升合成层后，
     只靠 opacity:0 在部分环境里仍会被叠出来，visibility 才断得干净 */
  visibility: hidden;
  transition: opacity .9s var(--ease), visibility 0s linear .9s;
}
.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  transition: opacity .9s var(--ease), visibility 0s;
}
.hero-figure .slider-dots {
  position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 7px; z-index: 3;
  padding: 7px 11px; border-radius: 999px;
  background: rgba(0,0,0,.30);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.slider-dots button {
  width: 7px; height: 7px; padding: 0; border: 0; border-radius: 50%;
  background: rgba(255,255,255,.45); cursor: pointer;
  transition: width .3s var(--ease), background .3s;
}
.slider-dots button:hover { background: rgba(255,255,255,.75); }
.slider-dots button.is-active { width: 22px; border-radius: 4px; background: #fff; }
.slider-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 40px; height: 40px; border: 0; border-radius: 50%;
  background: rgba(0,0,0,.35); color: #fff; cursor: pointer;
  display: grid; place-items: center; z-index: 3; padding: 0;
  opacity: 0; transition: opacity .25s, background .2s;
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.hero-figure:hover .slider-arrow, .slider-arrow:focus-visible { opacity: 1; }
.slider-arrow:hover { background: rgba(0,0,0,.55); }
.slider-arrow.prev { left: 16px; }
.slider-arrow.next { right: 16px; }
.hero-figure .ph-label {
  position: absolute; bottom: 16px; right: 18px;
  font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  color: rgba(255,255,255,.42);
}

/* shape plate — drawn outline used where no product photo exists yet */
.shape-plate {
  position: relative;
  width: 100%; height: 100%;
  min-height: 220px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 4px;
  background:
    radial-gradient(90% 70% at 50% 12%, rgba(59,130,246,.22), transparent 65%),
    linear-gradient(160deg, #12161d 0%, #0a0c11 70%);
  overflow: hidden;
}
.shape-plate::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(75% 65% at 50% 45%, #000 15%, transparent 82%);
}
.shape-plate svg { position: relative; width: 74%; max-width: 320px; height: auto; }
.plate-label {
  position: relative;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
  color: rgba(255,255,255,.58);
}

/* placeholder surface when no image yet */
.ph {
  position: relative;
  background:
    radial-gradient(120% 90% at 50% 115%, rgba(0,113,227,.34), transparent 62%),
    linear-gradient(150deg, #14171e 0%, #0b0d12 62%);
  overflow: hidden;
}
.ph::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(80% 70% at 50% 50%, #000 20%, transparent 85%);
  -webkit-mask-image: radial-gradient(80% 70% at 50% 50%, #000 20%, transparent 85%);
}
.ph::after {
  content: attr(data-ph);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 0 24px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.34);
}

/* ---------- ticker ---------- */

.ticker {
  background: var(--ink);
  color: rgba(255,255,255,.72);
  overflow: hidden;
  border-top: 1px solid rgba(0,0,0,.1);
}
.ticker-track {
  display: flex;
  align-items: center;
  gap: 42px;
  height: 46px;
  width: max-content;
  white-space: nowrap;
  font-size: 12.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  animation: tickerScroll 46s linear infinite;
}
.ticker-track i {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--blue); flex-shrink: 0;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes tickerScroll { to { transform: translateX(-50%); } }

/* ---------- assurance strip（首屏下方六条商务承诺） ---------- */

.assure { background: var(--paper); border-bottom: 1px solid var(--line-soft); padding: 46px 0 50px; }
.assure-head { display: flex; justify-content: space-between; align-items: baseline; gap: 32px; }
.assure-head p { margin: 0; font-size: 13.5px; color: var(--muted); max-width: 560px; }
.assure-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 26px; }
.assure-item { padding: 0 20px; border-left: 1px solid var(--line); }
.assure-item:first-child { padding-left: 0; border-left: 0; }
.assure-item:last-child { padding-right: 0; }
.assure-item b { display: block; font-size: 15px; font-weight: 640; letter-spacing: -.02em; color: var(--ink); margin-bottom: 7px; }
.assure-item span { display: block; font-size: 12.8px; line-height: 1.58; color: var(--muted); }
.assure-more { margin-top: 26px; font-size: 13.5px; }

/* ---------- oem / odm ---------- */

.oem-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 56px; align-items: start; }
.oem-terms { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px 56px; }
.oem-terms > div { border-top: 1px solid var(--line); padding-top: 20px; }
.oem-terms h3 { font-size: 18px; font-weight: 640; letter-spacing: -.025em; color: var(--ink); margin: 0 0 8px; }
.oem-terms p { font-size: 14.5px; line-height: 1.66; color: var(--muted); margin: 0; }
.oem-table { max-width: 900px; }
.oem-note { margin-top: 20px; max-width: 900px; font-size: 13.5px; line-height: 1.6; color: var(--muted); }
.oem-list { list-style: none; margin: 18px 0 0; padding: 0; }
.oem-list li { position: relative; padding-left: 20px; font-size: 15px; line-height: 1.6; color: var(--muted); margin-bottom: 10px; }
.oem-list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }

/* ---------- sections ---------- */

.section { padding: 96px 0; }
.section.tight { padding: 72px 0; }
.section.paper { background: var(--paper); }
.section.dark { background: var(--night); color: #fff; }
.section.dark .kicker { color: rgba(255,255,255,.5); }
.section.dark .body-copy p { color: rgba(255,255,255,.66); }

/* ---------- short answer ---------- */

.qa-section { padding: 46px 0 44px; }
.qa-section + .section { padding-top: 54px; }
.quick-answer {
  border-left: 3px solid var(--ink);
  padding: 2px 0 2px 22px;
  max-width: 860px;
}
.qa-label {
  display: block;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 9px;
}
.quick-answer p {
  font-size: 17.5px;
  line-height: 1.66;
  color: var(--ink);
  margin: 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 40px;
  margin-bottom: 44px;
}
.section-head .h2 { max-width: 720px; }
.section-head p {
  color: var(--muted);
  font-size: 15.5px;
  max-width: 430px;
  margin: 0;
}
.section.dark .section-head p { color: rgba(255,255,255,.6); }

/* ---------- category lineup ---------- */

.lineup {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}
.lineup-card {
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .26s var(--ease), box-shadow .26s var(--ease);
}
.lineup-card:hover { transform: translateY(-4px); box-shadow: 0 22px 44px rgba(0,0,0,.09); }
.lineup-media {
  aspect-ratio: 4 / 3.1;
  background: var(--night-2);
  position: relative;
  overflow: hidden;
}
.lineup-media img { width: 100%; height: 100%; object-fit: cover; }
.lineup-body { padding: 20px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.lineup-body .kicker { font-size: 10.5px; color: var(--blue); letter-spacing: .12em; }
.lineup-body h3 { font-size: 18.5px; line-height: 1.25; letter-spacing: -.025em; font-weight: 640; margin: 9px 0 8px; }
.lineup-body p { font-size: 14px; line-height: 1.55; color: var(--muted); margin-bottom: 18px; }
.lineup-body .link-arrow { margin-top: auto; font-size: 13.5px; }

/* ---------- dark showcase ---------- */

.showcase { display: grid; grid-template-columns: 1fr 1.15fr; gap: 60px; align-items: center; }
.showcase-figure {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: #e7eaf0;
}
.showcase-figure img { width: 100%; height: 100%; object-fit: cover; }

/* light spotlight band — same section as the old dark one, on paper grey */
.section.spotlight { background: #f2f4f7; }
.spotlight .showcase h2 { color: var(--ink); margin-bottom: 20px; }
.spotlight .showcase .lede { color: var(--ink-2); margin-bottom: 26px; }
.spotlight .showcase .body-copy { color: var(--muted); }
.spotlight .kicker { color: var(--muted-2); }
.spotlight .metric-row { border-top-color: rgba(0,0,0,.1); }
.spotlight .metric b { color: var(--ink); }
.spotlight .metric span { color: var(--muted-2); }
.showcase h2 { color: #fff; margin-bottom: 20px; }
.showcase .lede { color: rgba(255,255,255,.68); margin-bottom: 26px; }
.metric-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px 26px;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.13);
}
.metric b { display: block; font-size: 27px; font-weight: 620; letter-spacing: -.03em; color: #fff; line-height: 1.15; }
.metric span { display: block; font-size: 12.5px; color: rgba(255,255,255,.5); margin-top: 4px; letter-spacing: .02em; }

/* ---------- product cards ---------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.product-card {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .24s var(--ease), box-shadow .24s var(--ease);
}
.product-card:hover { transform: translateY(-3px); box-shadow: 0 20px 40px rgba(0,0,0,.08); }
.product-media {
  aspect-ratio: 4 / 3;
  background: var(--paper);
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.product-media img { width: 100%; height: 100%; object-fit: cover; }
.badge {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  color: var(--ink);
  font-size: 11px;
  font-weight: 620;
  letter-spacing: .04em;
  padding: 5px 11px;
  border-radius: 999px;
  z-index: 2;
}
.product-body { padding: 20px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.product-body .model { font-size: 11.5px; letter-spacing: .08em; color: var(--muted-2); font-weight: 560; text-transform: uppercase; }
.product-body h3 { font-size: 19px; line-height: 1.28; letter-spacing: -.026em; font-weight: 640; margin: 7px 0 10px; }
.product-body p { font-size: 14px; line-height: 1.55; color: var(--muted); margin-bottom: 16px; }
.quick-specs {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 18px; margin-top: auto;
}
.quick-specs li {
  font-size: 11.5px;
  color: var(--ink-2);
  background: var(--paper);
  border-radius: 6px;
  padding: 4px 8px;
  letter-spacing: .01em;
}

/* ---------- value / process ---------- */

.use-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.use-card {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 22px 22px;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--ink-2);
  min-height: 96px;
  display: flex;
  align-items: center;
}

.product-card.more-card { background: var(--paper); border-style: dashed; box-shadow: none; }
.product-card.more-card:hover { transform: none; box-shadow: none; border-color: var(--blue); }
.more-card .more-inner { padding: 30px 26px; display: flex; flex-direction: column; gap: 9px; justify-content: center; flex: 1; }
.more-card h3 { font-size: 19px; letter-spacing: -.025em; font-weight: 640; margin: 0; color: var(--ink); }
.more-card p { font-size: 14px; color: var(--muted); line-height: 1.6; margin: 0 0 8px; }
.more-card .link-arrow { margin-top: 0; }

.product-grid.also { grid-template-columns: repeat(auto-fit, minmax(280px, 380px)); justify-content: start; }

.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 34px; }
.value-item { border-top: 1px solid var(--line); padding-top: 22px; }
.value-item .num { font-size: 12px; font-weight: 620; color: var(--blue); letter-spacing: .1em; }
.value-item h3 { font-size: 18.5px; letter-spacing: -.025em; font-weight: 640; margin: 12px 0 8px; }
.value-item p { font-size: 14.5px; color: var(--muted); line-height: 1.62; }

/* ---------- workshop floor photos ---------- */

.floor-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin-top: 40px; }
.floor-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 36px; max-width: 1000px; }
.floor-figure { margin: 0; }
.floor-frame {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--paper);
}
.floor-pair .floor-frame { aspect-ratio: 4 / 5; }
.floor-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; }
.floor-figure figcaption { margin-top: 12px; font-size: 13px; line-height: 1.6; color: var(--muted); }
.floor-figure figcaption b { display: block; font-size: 13.5px; font-weight: 620; color: var(--ink-2); margin-bottom: 3px; letter-spacing: -.01em; }
.floor-note { margin-top: 22px; font-size: 13.5px; color: var(--muted); }

/* About 首段两栏：内联 grid 在窄屏不会塌，改成类 + 断点 */
.about-split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 900px) { .about-split { grid-template-columns: 1fr; gap: 36px; } }

/* About：认证带（文案左、证书图右） */
.cert-band { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); gap: 56px; align-items: center; }
.cert-band p { margin: 14px 0 0; color: var(--muted); font-size: 15px; line-height: 1.68; }
.cert-band .muted-note { margin-top: 10px; font-size: 14px; color: var(--muted-2); }
.cert-figure { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.cert-figure img { display: block; width: 100%; height: auto; }
@media (max-width: 900px) { .cert-band { grid-template-columns: 1fr; gap: 30px; } }

.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line-soft); }
.process-step {
  padding: 28px 26px 30px 0;
  border-right: 1px solid var(--line-soft);
}
.process-step:last-child { border-right: 0; }
.process-step .step-n {
  font-size: 12px; font-weight: 640; color: var(--blue);
  letter-spacing: .1em; text-transform: uppercase;
}
.process-step h3 { font-size: 18px; letter-spacing: -.022em; font-weight: 640; margin: 10px 0 8px; }
.process-step p { font-size: 14px; color: var(--muted); line-height: 1.6; }

/* ---------- application blocks ---------- */

.app-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.app-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}
.app-card .app-media { aspect-ratio: 3 / 2; background: var(--night-2); }
.app-card .app-media img { width: 100%; height: 100%; object-fit: cover; }
.app-body { padding: 26px 28px 30px; }
.app-body h3 { font-size: 24px; letter-spacing: -.032em; font-weight: 640; margin-bottom: 10px; }
.app-body p { font-size: 15px; color: var(--muted); line-height: 1.62; margin-bottom: 16px; }

/* ---------- insights ---------- */

.insight-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 22px; }
.insight {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  display: flex;
  flex-direction: column;
  transition: transform .24s var(--ease), box-shadow .24s var(--ease);
}
.insight:hover { transform: translateY(-3px); box-shadow: 0 18px 36px rgba(0,0,0,.07); }
.insight .ins-media { aspect-ratio: 16 / 9; background: var(--night-2); }
.insight .ins-media img { width: 100%; height: 100%; object-fit: cover; }
.ins-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.ins-meta { font-size: 12px; color: var(--muted-2); letter-spacing: .03em; display: flex; gap: 10px; }
.ins-body h3 { font-size: 19px; line-height: 1.3; letter-spacing: -.026em; font-weight: 640; margin: 10px 0 10px; }
.ins-body p { font-size: 14px; color: var(--muted); line-height: 1.58; margin-bottom: 16px; }
.ins-body .link-arrow { margin-top: auto; font-size: 13.5px; }
.insight.featured .ins-media { aspect-ratio: 16 / 8.4; }
.insight.featured .ins-body h3 { font-size: 25px; }

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--ink);
  color: #fff;
  padding: 72px 0;
}
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 40px; }
.cta-inner h2 { font-size: clamp(27px, 3vw, 40px); line-height: 1.14; letter-spacing: -.038em; font-weight: 640; max-width: 620px; }
.cta-inner p { color: rgba(255,255,255,.6); font-size: 15.5px; margin-top: 12px; max-width: 520px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; flex-shrink: 0; }
.cta-note { margin-top: 14px !important; font-size: 13.5px !important; }
.cta-note a { color: rgba(255,255,255,.72) !important; text-decoration: underline; text-underline-offset: 3px; }
.cta-note a:hover { color: #fff !important; }

/* ---------- page hero (inner pages) ---------- */

.page-hero { background: var(--paper); padding: 54px 0 56px; border-bottom: 1px solid var(--line-soft); }
.breadcrumbs { font-size: 13px; color: var(--muted-2); display: flex; flex-wrap: wrap; gap: 7px; align-items: center; }
.breadcrumbs a:hover { color: var(--blue); }
.breadcrumbs span { opacity: .5; }
.page-hero h1 { font-size: clamp(32px, 4.4vw, 58px); line-height: 1.08; letter-spacing: -.045em; font-weight: 650; margin: 16px 0 18px; max-width: 900px; }
.page-hero .lede { max-width: 680px; }
.page-hero-meta { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 26px; }
.page-hero-meta div { font-size: 13px; color: var(--muted); }
.page-hero-meta b { display: block; font-size: 20px; font-weight: 620; color: var(--ink); letter-spacing: -.02em; }

/* ---------- category page ---------- */

.cat-intro { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: start; }
.cat-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.cat-highlights div { background: #fff; padding: 20px 22px; }
.cat-highlights b { display: block; font-size: 22px; font-weight: 620; letter-spacing: -.028em; }
.cat-highlights span { font-size: 12.5px; color: var(--muted-2); }

.app-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 28px; margin-top: 26px; }
.app-list li {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 15px; color: var(--ink-2); line-height: 1.5;
}
.app-list li::before {
  content: ""; flex-shrink: 0;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--blue); margin-top: 8px;
}

/* ---------- product detail ---------- */

.detail-grid { display: grid; grid-template-columns: 1.08fr 1fr; gap: 54px; align-items: start; }
.detail-media {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--night-2);
  aspect-ratio: 1 / .92;
  position: sticky;
  top: 96px;
}
.detail-media img { width: 100%; height: 100%; object-fit: cover; }
.detail-copy .model { font-size: 12px; letter-spacing: .09em; text-transform: uppercase; color: var(--muted-2); font-weight: 560; }
.detail-copy h1 { font-size: clamp(28px, 3.3vw, 42px); line-height: 1.14; letter-spacing: -.038em; font-weight: 650; margin: 10px 0 18px; }
.detail-copy .lede { font-size: 17px; }
.quick-table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0 0;
  font-size: 14.5px;
}
.quick-table tr { border-bottom: 1px solid var(--line-soft); }
.quick-table tr:first-child { border-top: 1px solid var(--line-soft); }
.quick-table th {
  text-align: left;
  font-weight: 500;
  color: var(--muted);
  padding: 11px 0;
  width: 45%;
}
.quick-table td { padding: 11px 0; font-weight: 560; color: var(--ink); text-align: right; }
.detail-actions { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }

.feature-list { margin-top: 30px; display: grid; gap: 14px; }
.feature-list li {
  display: flex; gap: 12px;
  font-size: 15px; line-height: 1.6; color: var(--muted);
}
.feature-list li svg { flex-shrink: 0; margin-top: 4px; color: var(--blue); }

.spec-section { background: var(--paper); }
.spec-table { width: 100%; border-collapse: collapse; font-size: 15px; background: #fff; border-radius: var(--radius-sm); overflow: hidden; }
.spec-table th {
  background: var(--paper);
  text-align: left;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--muted);
  font-weight: 600;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line-soft);
}
.spec-table td { padding: 13px 20px; border-bottom: 1px solid #f0f0f2; vertical-align: top; }
.spec-table tr:last-child td { border-bottom: 0; }
.spec-table td:first-child { color: var(--muted); width: 42%; }
.spec-table td:last-child { color: var(--ink); font-weight: 520; }
.spec-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px; }

/* ---------- pitch matrix ---------- */

.matrix-wrap {
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  -webkit-overflow-scrolling: touch;
}
.matrix-table { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 620px; }
.matrix-table th, .matrix-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid #f0f0f2; }
.matrix-table thead th {
  font-size: 11.5px; letter-spacing: .07em; text-transform: uppercase;
  color: var(--muted); font-weight: 600; background: #fafafc; white-space: nowrap;
}
.matrix-table thead th.corner { width: 148px; }
.matrix-table tbody th {
  font-weight: 600; color: var(--ink); border-right: 1px solid #f0f0f2;
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.matrix-table tbody td { color: var(--ink-2); font-variant-numeric: tabular-nums; }
.matrix-table tbody tr:hover td, .matrix-table tbody tr:hover th { background: #f7faff; }
.matrix-table tbody tr:last-child th, .matrix-table tbody tr:last-child td { border-bottom: 0; }

/* ---------- diameter chips ---------- */

.size-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.size-nav-label {
  font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted-2); margin-right: 6px; font-weight: 600;
}
.size-chip {
  display: inline-block; padding: 7px 13px; border-radius: 999px;
  border: 1px solid var(--line-soft); font-size: 13.5px; font-weight: 530;
  color: var(--ink-2); text-decoration: none; font-variant-numeric: tabular-nums;
  transition: border-color .18s var(--ease), color .18s var(--ease), background .18s var(--ease);
}
.size-chip:hover { border-color: var(--blue); color: var(--blue); }
.size-chip.is-current { background: var(--ink); border-color: var(--ink); color: #fff; }

.detail-note {
  margin: 26px 0 0; padding: 20px 24px;
  border-left: 2px solid var(--blue);
  background: var(--paper); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 15.5px; line-height: 1.68; color: var(--ink-2); max-width: 820px;
}

/* ---------- FAQ ---------- */

.faq-list { border-top: 1px solid var(--line-soft); }
.faq-list details { border-bottom: 1px solid var(--line-soft); }
.faq-list summary {
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 20px 0; cursor: pointer;
  font-size: 17px; font-weight: 580; letter-spacing: -.015em;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  font-size: 22px; font-weight: 300; color: var(--muted-2);
  transition: transform .2s var(--ease);
  flex-shrink: 0;
}
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list .answer { padding: 0 0 22px; color: var(--muted); font-size: 15.5px; line-height: 1.68; max-width: 780px; }

/* ---------- article ---------- */

.crumb-bar { padding: 18px 0 0; background: #fff; }
.crumb-bar .breadcrumbs { font-size: 12.5px; }

.article-hero { aspect-ratio: 16 / 8; border-radius: var(--radius); overflow: hidden; background: var(--night-2); }
.article-hero.is-plate { background: #fff; box-shadow: inset 0 0 0 1px rgba(15, 17, 22, .07); }
.article-hero img { width: 100%; height: 100%; object-fit: cover; }

.case-hero { margin: 0; aspect-ratio: 3 / 2; border-radius: var(--radius); overflow: hidden; background: var(--night-2); }
.case-hero img { width: 100%; height: 100%; object-fit: cover; }

.case-top { display: grid; grid-template-columns: minmax(0, max-content) minmax(240px, 1fr); gap: 44px; align-items: start; max-width: 1010px; margin-inline: auto; }

.case-grid { grid-template-columns: repeat(2, 1fr); gap: 26px; }
.case-grid .product-card { display: flex; flex-direction: column; }
.case-grid .product-body { display: flex; flex-direction: column; flex: 1; }
.case-grid .product-body > p { flex: 1; }

.case-facts dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 0 26px; }
.case-facts dl > div { padding: 11px 0; border-bottom: 1px solid var(--line); }
.case-facts dl > div:last-child { border-bottom: 0; }
.case-facts dd { margin: 2px 0 0; font-size: 15px; font-weight: 600; letter-spacing: -.012em; }
.case-body { max-width: 1010px; margin-inline: auto; }
.case-body .article-body { max-width: 720px; }

.case-ref { position: relative; display: block; max-width: 720px; margin-top: 18px; padding: 16px 46px 16px 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); text-decoration: none; transition: border-color .2s, box-shadow .2s; }
.case-ref:hover { border-color: var(--blue); box-shadow: 0 10px 24px rgba(0,0,0,.06); }
.case-ref .cr-kicker { display: block; font-size: 10.5px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted-2); margin-bottom: 5px; }
.case-ref b { display: block; font-size: 15.5px; font-weight: 600; letter-spacing: -.015em; color: var(--ink); }
.case-ref em { display: block; margin-top: 3px; font-style: normal; font-size: 12.5px; color: var(--muted-2); }
.case-ref svg { position: absolute; right: 18px; top: 50%; transform: translateY(-50%); width: 15px; height: 15px; color: var(--blue); }

@media (max-width: 880px) {
  .case-top { grid-template-columns: 1fr; gap: 26px; }
  .case-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .cat-highlights[style] { grid-template-columns: repeat(2, 1fr) !important; }
}

.article-wrap { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 60px; align-items: start; max-width: 1010px; margin-inline: auto; }
.article-aside { position: sticky; top: 96px; }
.article-aside .kicker { margin-bottom: 12px; }
.article-aside dl { font-size: 13.5px; color: var(--muted); display: grid; gap: 12px; }
.article-aside dt { font-size: 11px; text-transform: uppercase; letter-spacing: .09em; color: var(--muted-2); }
.article-aside dd { margin: 2px 0 0; color: var(--ink); font-weight: 520; }
.article-body { max-width: 720px; }
.article-body > p { font-size: 19px; line-height: 1.7; color: var(--ink-2); margin-bottom: 22px; }
.article-body h2 { font-size: clamp(22px, 2.4vw, 30px); line-height: 1.25; letter-spacing: -.03em; font-weight: 640; margin: 42px 0 14px; }
.article-body p { font-size: 17.5px; line-height: 1.75; color: var(--muted); margin-bottom: 18px; }
.article-body strong { color: var(--ink); font-weight: 620; }
.article-fig { margin: 30px 0 34px; }
.article-fig img { display: block; width: 100%; height: auto; border-radius: var(--radius); background: var(--night-2); }
.article-fig figcaption { margin-top: 11px; font-size: 13.5px; line-height: 1.6; color: var(--muted-2); }
.article-lead { font-size: 21px !important; line-height: 1.6 !important; color: var(--ink-2) !important; margin-bottom: 32px !important; }

/* ---------- resources ---------- */

.dl-group + .dl-group { margin-top: 54px; }
.dl-group > h2 { font-size: 24px; letter-spacing: -.028em; font-weight: 640; margin-bottom: 20px; }
.dl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 18px; }
.dl-card {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  padding: 24px 24px 22px;
  background: #fff;
  display: flex;
  flex-direction: column;
}
.dl-card h3 { font-size: 17.5px; line-height: 1.35; letter-spacing: -.02em; font-weight: 620; margin-bottom: 8px; }
.dl-card p { font-size: 14px; color: var(--muted); line-height: 1.6; margin-bottom: 16px; }
.dl-meta { font-size: 12px; color: var(--muted-2); margin-bottom: 16px; margin-top: auto; }
.dl-tag {
  display: inline-block;
  font-size: 10.5px; font-weight: 620; letter-spacing: .06em; text-transform: uppercase;
  color: var(--blue); background: var(--blue-tint);
  padding: 3px 8px; border-radius: 5px; margin-bottom: 12px;
  width: fit-content;
}

/* 控制系统软件表：按发送卡选软件，不按屏体品牌选 */
.sw-wrap {
  margin-top: 26px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: #fff;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.sw-table { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 780px; }
.sw-table th {
  text-align: left;
  padding: 12px 20px;
  font-size: 11px; font-weight: 620; letter-spacing: .07em; text-transform: uppercase;
  color: var(--muted-2);
  background: #fafafc;
  border-bottom: 1px solid var(--line-soft);
  white-space: nowrap;
}
.sw-table td {
  padding: 15px 20px;
  border-bottom: 1px solid #f0f0f2;
  vertical-align: top;
  color: var(--ink-2);
  line-height: 1.55;
}
.sw-table tr:last-child td { border-bottom: 0; }
.sw-table td:first-child { white-space: nowrap; }
.sw-name { display: block; font-weight: 640; color: var(--ink); letter-spacing: -.01em; }
.sw-maker { display: block; font-size: 12px; color: var(--muted-2); margin-top: 3px; font-weight: 500; }
.sw-table td:last-child { white-space: nowrap; }
.sw-table a { color: var(--blue); font-weight: 600; text-decoration: none; display: inline-flex; align-items: center; gap: 5px; }
.sw-table a:hover { color: var(--blue-dark); }
.sw-table a svg { width: 13px; height: 13px; }
.sw-notes { margin-top: 20px; max-width: 860px; }
.sw-notes p { font-size: 14px; line-height: 1.68; color: var(--muted); margin-bottom: 10px; }
.sw-notes strong { color: var(--ink); font-weight: 620; }
/* 390 宽下四列表格横滑很难读，改成一条一条的卡：软件名 → 适用 → 用途 → 下载 */
@media (max-width: 720px) {
  .sw-wrap { overflow: visible; border: 0; background: transparent; margin-top: 20px; }
  .sw-table { display: block; min-width: 0; font-size: 14px; }
  .sw-table thead { display: none; }
  .sw-table tbody, .sw-table tr, .sw-table td { display: block; }
  .sw-table tr {
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-sm);
    background: #fff;
    padding: 16px 18px 14px;
    margin-bottom: 12px;
  }
  .sw-table tr:last-child { margin-bottom: 0; }
  .sw-table td { border: 0; padding: 0; white-space: normal; }
  .sw-table td:first-child { margin-bottom: 10px; }
  .sw-table td:nth-child(2) { font-size: 13px; line-height: 1.55; color: var(--muted); }
  .sw-table td:nth-child(2)::before {
    content: "works with";
    display: block;
    font-size: 10px; font-weight: 620; letter-spacing: .07em; text-transform: uppercase;
    color: var(--muted-2); margin-bottom: 3px;
  }
  .sw-table td:nth-child(3) { margin-top: 10px; font-size: 13.5px; line-height: 1.6; }
  .sw-table td:last-child { margin-top: 12px; white-space: normal; }
}

/* ---------- contact ---------- */

.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: start; }
.contact-points { display: grid; gap: 15px; margin-top: 26px; }
.contact-point { border-top: 1px solid var(--line-soft); padding-top: 13px; }
.contact-point dt { font-size: 11px; text-transform: uppercase; letter-spacing: .09em; color: var(--muted-2); font-weight: 600; }
.contact-point dd { margin: 4px 0 0; font-size: 15px; color: var(--ink); line-height: 1.5; }
.contact-point dd a:hover { color: var(--blue); }
.cp-note { display: block; font-size: 12px; color: var(--muted-2); margin-top: 2px; }
.cp-note b { color: var(--ink-2); font-weight: 600; }
.cp-wx { font-weight: 600; letter-spacing: .01em; }

/* QR pair: WhatsApp + WeChat */
.qr-row { display: flex; gap: 18px; margin-top: 22px; flex-wrap: wrap; }
.qr-row figure { margin: 0; display: flex; flex-direction: column; align-items: center; }
.qr-tag {
  display: inline-block; font-size: 10.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--blue); background: rgba(0,113,227,.07); border: 1px solid rgba(0,113,227,.16);
  border-radius: 5px; padding: 2px 7px; margin-bottom: 9px;
}
.qr-tag.wa { color: #1a7f47; background: rgba(37,211,102,.1); border-color: rgba(37,211,102,.3); }
.qr-row img {
  width: 112px; height: 112px; display: block; border-radius: 9px;
  background: #fff; border: 1px solid var(--line-soft); padding: 5px;
}
.qr-row figcaption { font-size: 11px; color: var(--muted-2); margin-top: 6px; text-align: center; }

.form-card {
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 18px 50px rgba(0,0,0,.05);
}
.form-card h2 { font-size: 24px; letter-spacing: -.028em; font-weight: 640; margin-bottom: 6px; }
.form-card > p { font-size: 14px; color: var(--muted); margin-bottom: 24px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 560; color: var(--ink-2); }
.field label .req { color: #d13b3b; }
.field input, .field select, .field textarea {
  font: inherit;
  font-size: 15px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  min-height: 46px;
  transition: border-color .18s;
  width: 100%;
}
.field textarea { min-height: 108px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,113,227,.12); }
.form-note { font-size: 12.5px; color: var(--muted-2); line-height: 1.6; margin-top: 14px; }
.form-card button[type="submit"] { width: 100%; margin-top: 20px; padding: 15px; font-size: 15.5px; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- footer ---------- */

.footer { background: var(--paper); color: var(--muted); padding: 68px 0 26px; border-top: 1px solid var(--line-soft); }
.footer-top { display: grid; grid-template-columns: 1.5fr .75fr .75fr 1.1fr; gap: 46px; }
.footer-brand .brand-lock { --lock-h: 44px; }
.footer-intro p { font-size: 14px; line-height: 1.65; color: var(--muted); max-width: 330px; margin-top: 14px; }
.footer-contact { margin-top: 20px; display: grid; gap: 6px; font-size: 13.5px; }
.footer-contact strong { color: var(--ink); font-weight: 620; font-size: 14px; }
.footer-contact a:hover { color: var(--blue); }
.footer-im { display: inline-flex; align-items: center; gap: 7px; }
.footer-im svg { flex: none; }
.footer-im.is-wa svg { color: #25d366; }
.footer-im.is-wx svg { color: #07c160; }
.footer-im span { font-size: 13px; }
.footer h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--ink); font-weight: 640; margin-bottom: 16px; }
.footer-links a { display: block; font-size: 14px; color: var(--muted); padding: 5px 0; }
.footer-links a:hover { color: var(--blue); }
.footer-cta { border-left: 1px solid var(--line); padding-left: 32px; }
.footer-cta span { font-size: 12px; color: var(--muted-2); text-transform: uppercase; letter-spacing: .08em; }
.footer-cta a.strong { display: block; font-size: 18px; line-height: 1.35; letter-spacing: -.02em; font-weight: 620; color: var(--ink); margin-top: 10px; }
.footer-cta a.strong:hover { color: var(--blue); }
.footer-cta .btn { margin-top: 16px; }
.footer-bottom {
  border-top: 1px solid var(--line);
  margin-top: 46px;
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 12.5px;
  color: var(--muted-2);
  flex-wrap: wrap;
}
.footer-bottom div { display: flex; gap: 18px; }
.footer-bottom a:hover { color: var(--blue); }

/* ---------- mobile nav panel ---------- */

/* 导航窄于 1240 时先收电话号码（WA 图标和页脚里的号码还在），避免和 CTA 抢位 */
@media (max-width: 1240px) { .nav-phone { display: none; } }

@media (max-width: 1040px) {
  .assure-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 0; }
  .assure-item { padding: 0 22px; }
  .assure-item:nth-child(2n+1) { padding-left: 0; border-left: 0; }
  .assure-item:nth-child(2n) { padding-right: 0; }
  .nav-shell { display: flex; gap: 16px; }
  .nav-actions { margin-left: auto; justify-self: auto; }
  .main-nav {
    position: fixed;
    inset: 68px 0 auto 0;
    background: #fff;
    border-bottom: 1px solid var(--line-soft);
    box-shadow: 0 24px 40px rgba(0,0,0,.1);
    flex-direction: column;    align-items: stretch;
    padding: 12px 20px 22px;
    gap: 0;
    display: none;
    max-height: calc(100dvh - 68px);
    overflow-y: auto;
    margin: 0;
  }
  .main-nav.open { display: flex; }
  .main-nav > a, .nav-parent > a {
    padding: 14px 4px;
    font-size: 16px;
    border-bottom: 1px solid var(--line-soft);
    border-radius: 0;
    justify-content: space-between;
  }
  .nav-parent { width: 100%; }
  .nav-parent > a { width: 100%; }
  .mega {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    display: none;
    padding: 0;
  }
  .nav-parent.open .mega { display: block; }
  .mega-inner { grid-template-columns: 1fr; gap: 0; padding: 4px 0 12px; width: 100%; }
  .mega-lead { display: none; }
  .mega-list { grid-template-columns: 1fr; gap: 0; }
  .mega-list a { padding: 11px 4px; border-bottom: 1px solid #f0f0f2; border-radius: 0; }
  .mega-list span { display: none; }
  .menu-button { display: flex; }
  .nav-phone { display: none; }
  .nav-mobile-cta { display: grid; gap: 10px; margin-top: 18px; }
  .nav-mobile-cta a, .nav-mobile-cta button {
    display: flex; align-items: center; justify-content: center; gap: 9px;
    padding: 13px 16px; border-radius: 12px;
    font-size: 15px; font-weight: 600; text-decoration: none;
  }
  .nav-mobile-cta .nm-wa { background: #25d366; color: #fff; }
  .nav-mobile-cta .nm-wa svg { width: 18px; height: 18px; }
  .nav-mobile-cta .nm-tel { border: 1px solid var(--line); color: var(--ink); }
  .nav-mobile-cta .nm-wx { border: 1px solid rgba(7, 193, 96, .5); background: #fff; color: #07c160; cursor: pointer; font-family: inherit; }
  .nav-mobile-cta .nm-wx svg { width: 18px; height: 18px; }
  .lineup { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .value-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .floor-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .process { grid-template-columns: 1fr 1fr; }
  .process-step:nth-child(2) { border-right: 0; }
  .process-step:nth-child(1), .process-step:nth-child(2) { border-bottom: 1px solid var(--line-soft); }
  .insight-grid { grid-template-columns: 1fr 1fr; }
  .insight.featured { grid-column: 1 / -1; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-cta { grid-column: 1 / -1; border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 26px; }
  .article-wrap { grid-template-columns: 1fr; gap: 30px; }
  .article-aside { position: static; border-bottom: 1px solid var(--line-soft); padding-bottom: 20px; }
  .article-aside dl { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .section { padding: 68px 0; }
  .section-head { display: block; }
  .section-head p { margin-top: 16px; max-width: 100%; }
  .showcase { grid-template-columns: 1fr; gap: 34px; }
  .showcase-figure { aspect-ratio: 16 / 10; }
  .cat-intro { grid-template-columns: 1fr; gap: 32px; }
  .detail-grid { grid-template-columns: 1fr; gap: 32px; }
  .detail-media { position: static; aspect-ratio: 16 / 11; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .app-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; align-items: flex-start; gap: 26px; }
  .hero { padding-top: 20px; }
  /* 手机上换成 16:9 的专用裁切图（hero-*-mob-*.webp）：竖图裁横带、宽图模糊铺底。
     原来 contain + 16:10 会把 1436×1920 的竖图缩成中间一条，两边一大片灰底 */
  .hero-figure { aspect-ratio: 16 / 9; margin-top: 0; background: #eef0f4; }
  .hero-figure img { object-fit: cover; }
  .hero-copy { padding: 40px 0 52px; }
  .spec-2col { grid-template-columns: 1fr; }
  .use-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .assure { padding: 36px 0 40px; }
  .assure-head { flex-direction: column; gap: 8px; }
  .assure-head p { max-width: 100%; }
  /* 手机端改成横向滑动的卡片，省掉一整屏高度 */
  .assure-grid {
    display: flex;
    gap: 12px;
    margin: 20px -16px 0;
    padding: 0 16px 4px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .assure-grid::-webkit-scrollbar { display: none; }
  .assure-item {
    flex: 0 0 78%;
    scroll-snap-align: start;
    background: #fff;
    border: 1px solid var(--line-soft);
    border-radius: 12px;
    padding: 15px 17px 17px;
  }
  .assure-item:nth-child(n) { padding: 15px 17px 17px; border-left: 1px solid var(--line-soft); }
  .assure-item b { font-size: 14.5px; margin-bottom: 6px; }
  .assure-item span { font-size: 12.6px; line-height: 1.5; }
  .shell { width: calc(100% - 32px); }
  .nav-shell { width: calc(100% - 28px); gap: 10px; }
  .brand-sub { display: none; }
  .brand-lock { --lock-h: 32px; gap: 6px; }
  .brand-lock.is-hero { --lock-h: 58px; }
  .brand-lock.is-about { --lock-h: 44px; }
  .nav-cta { padding: 9px 14px; font-size: 13px; }
  .hero { padding-top: 14px; }
  .display { font-size: 36px; line-height: 1.1; }
  .hero-actions { gap: 12px; flex-direction: column; align-items: stretch; max-width: 300px; margin-inline: auto; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-actions .yt-chip { width: 100%; justify-content: center; }
  .hero-figure { border-radius: 16px; --hero-r: 16px; aspect-ratio: 16 / 9; }
  .slider-arrow { display: none; }
  .slider-dots button { width: 6px; height: 6px; }
  .slider-dots button.is-active { width: 18px; }
  .hero-copy { padding: 34px 0 44px; }
  .lineup { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .process-step { border-right: 0; border-bottom: 1px solid var(--line-soft); padding-right: 0; }
  .process-step:last-child { border-bottom: 0; }
  .insight-grid { grid-template-columns: 1fr; }
  .insight.featured { grid-column: auto; }
  .use-grid { grid-template-columns: 1fr; }
  .floor-pair { grid-template-columns: 1fr; gap: 26px; }
  .oem-two { grid-template-columns: 1fr; gap: 34px; }
  /* 手机端把 OEM 条款表改成「标签在上、值在下」，避免左右两列都被挤窄 */
  .oem-table .spec-table, .oem-table .spec-table tbody { display: block; }
  .oem-table .spec-table tr { display: block; padding: 14px 16px; border-bottom: 1px solid #f0f0f2; }
  .oem-table .spec-table tr:last-child { border-bottom: 0; }
  .oem-table .spec-table td { display: block; width: auto !important; padding: 0; border: 0; }
  .oem-table .spec-table td:first-child { font-size: 11.5px; letter-spacing: .07em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 5px; }
  .oem-table .spec-table td:last-child { font-size: 14.5px; line-height: 1.55; }
  /* 手机端把 OEM 条款表改成「标签在上、值在下」，避免左右两列都被挤窄 */
  .oem-table .spec-table, .oem-table .spec-table tbody { display: block; }
  .oem-table .spec-table tr { display: block; padding: 14px 16px; border-bottom: 1px solid #f0f0f2; }
  .oem-table .spec-table tr:last-child { border-bottom: 0; }
  .oem-table .spec-table td { display: block; width: auto !important; padding: 0; border: 0; }
  .oem-table .spec-table td:first-child { font-size: 11.5px; letter-spacing: .07em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 5px; }
  .oem-table .spec-table td:last-child { font-size: 14.5px; line-height: 1.55; }
  .oem-terms { grid-template-columns: 1fr; gap: 24px; }
  .oem-two { grid-template-columns: 1fr; gap: 34px; }
  /* 手机端把 OEM 条款表改成「标签在上、值在下」，避免左右两列都被挤窄 */
  .oem-table .spec-table, .oem-table .spec-table tbody { display: block; }
  .oem-table .spec-table tr { display: block; padding: 14px 16px; border-bottom: 1px solid #f0f0f2; }
  .oem-table .spec-table tr:last-child { border-bottom: 0; }
  .oem-table .spec-table td { display: block; width: auto !important; padding: 0; border: 0; }
  .oem-table .spec-table td:first-child { font-size: 11.5px; letter-spacing: .07em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 5px; }
  .oem-table .spec-table td:last-child { font-size: 14.5px; line-height: 1.55; }
  /* 手机端把 OEM 条款表改成「标签在上、值在下」，避免左右两列都被挤窄 */
  .oem-table .spec-table, .oem-table .spec-table tbody { display: block; }
  .oem-table .spec-table tr { display: block; padding: 14px 16px; border-bottom: 1px solid #f0f0f2; }
  .oem-table .spec-table tr:last-child { border-bottom: 0; }
  .oem-table .spec-table td { display: block; width: auto !important; padding: 0; border: 0; }
  .oem-table .spec-table td:first-child { font-size: 11.5px; letter-spacing: .07em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 5px; }
  .oem-table .spec-table td:last-child { font-size: 14.5px; line-height: 1.55; }
  .oem-terms { grid-template-columns: 1fr; gap: 24px; }
  .floor-grid { gap: 10px; }
  .floor-figure figcaption { font-size: 12px; line-height: 1.5; }
  .floor-figure figcaption b { font-size: 12.5px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 10px; }
  .page-hero { padding: 38px 0 40px; }
  .field-grid { grid-template-columns: 1fr; }
  .form-card { padding: 22px; }
  .app-list { grid-template-columns: 1fr; }
  .cat-highlights { grid-template-columns: 1fr 1fr; }
  .spec-table td:first-child { width: 48%; }
  .spec-table th, .spec-table td { padding: 12px 14px; }
  .article-body > p { font-size: 17.5px; }
  .article-body p { font-size: 16.5px; }
  .detail-actions .btn { width: 100%; }
  .ticker-track { font-size: 11px; gap: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* 窄屏：品牌字缩小 + 按钮改短，避免页头挤出横向滚动条 */
@media (max-width: 520px) {
  .brand-lock { --lock-h: 26px; gap: 5px; }
  .brand-word { font-size: 13px; letter-spacing: .05em; text-indent: .05em; }
  .nav-actions { gap: 8px; }
  .nav-cta .cta-long { display: none; }
  .nav-cta .cta-short { display: inline; }
  .brand { gap: 8px; }
}

/* ---------- print ---------- */
@media print {
  .site-header, .footer, .cta-band, .floating, .ticker { display: none; }
  body { font-size: 12pt; }
}

.contact-points.cols-3 { grid-template-columns: repeat(3, minmax(0,1fr)); gap: 28px; max-width: 900px; }
@media (max-width: 680px) { .contact-points.cols-3 { grid-template-columns: 1fr; gap: 18px; } }

/* ---------- mobile WhatsApp bubble ----------
   只在 ≤900px 显示。默认透明 + 不可点，滚过 300px 后 main.js 加 .is-in 才淡入，
   不抢首屏。z-index 压在移动菜单（90）之下，菜单展开时被盖住。 */
.wa-fab {
  position: fixed;
  right: 16px;
  bottom: calc(18px + env(safe-area-inset-bottom, 0px));
  z-index: 85;
  width: 54px; height: 54px;
  display: none;
  place-items: center;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .2);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .22s ease, transform .22s ease;
  pointer-events: none;
}
.wa-fab.is-in { opacity: 1; transform: none; pointer-events: auto; }
.wa-fab-ico { display: grid; place-items: center; }
.wa-fab-ico svg { width: 27px; height: 27px; }
@media (max-width: 900px) { .wa-fab { display: grid; } }
@media (prefers-reduced-motion: reduce) {
  .wa-fab { transition: none; transform: none; }
}

/* ---------- WeChat QR modal ----------
   页脚 WeChat 那行和移动菜单第三颗按钮都指向它。二维码原图 440×440，
   弹层里放到 240px 才扫得动；手机端长按存图再从相册识别。 */
.footer-im-btn {
  border: 0; background: none; padding: 0; cursor: pointer;
  font: inherit; text-align: left; color: inherit;
}
.footer-im-btn:hover span { color: var(--blue); }
.wx-modal {
  position: fixed; inset: 0; z-index: 300;
  display: grid; place-items: center;
  padding: 24px;
  background: rgba(14, 18, 26, .62);
}
.wx-modal[hidden] { display: none; }
body.wx-open { overflow: hidden; }
.wx-card {
  position: relative;
  width: 100%; max-width: 360px;
  padding: 26px 22px 22px;
  background: #fff;
  border-radius: 18px;
  text-align: center;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .28);
}
.wx-close {
  position: absolute; top: 6px; right: 8px;
  width: 36px; height: 36px;
  border: 0; border-radius: 50%;
  background: transparent;
  font-size: 24px; line-height: 1;
  color: var(--muted);
  cursor: pointer;
}
.wx-close:hover { background: var(--paper); color: var(--ink); }
.wx-kicker {
  display: block;
  font-size: 11px; font-weight: 640;
  letter-spacing: .14em; text-transform: uppercase;
  color: #07c160;
}
.wx-h {
  margin: 8px 0 16px;
  font-size: 17px; line-height: 1.4; font-weight: 620;
  color: var(--ink);
}
.wx-qr {
  display: block;
  width: 240px; height: 240px; max-width: 100%;
  margin: 0 auto 14px;
  border-radius: 10px;
}
.wx-hint { margin: 0; font-size: 12.5px; line-height: 1.6; color: var(--muted); }
.wx-fallback {
  display: block;
  margin: 4px auto 16px;
  padding: 18px 14px;
  border: 1px dashed #cfd6dd;
  border-radius: 12px;
  background: #f8fafb;
}
.wx-fallback[hidden] { display: none; }
.wx-fallback-k { display: block; font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.wx-fallback-v { display: block; margin: 4px 0 8px; font-size: 24px; letter-spacing: .02em; color: var(--ink); }
.wx-fallback-s { display: block; font-size: 12.5px; line-height: 1.6; color: var(--muted); }
@media (max-width: 400px) {
  .wx-card { padding: 22px 16px 18px; }
  .wx-qr { width: 200px; height: 200px; }
}
/* 程序化聚焦落在卡片上，避免关闭按钮被画出默认焦点环 */
.wx-card:focus { outline: none; }
.wx-close:focus-visible { outline: 2px solid #07c160; outline-offset: 2px; }

/* ---------------- 分类页深度长文 ---------------- */
.deep-block + .deep-block {
  margin-top: 66px;
  padding-top: 60px;
  border-top: 1px solid var(--line-soft);
}
.deep-copy { max-width: 790px; margin-top: 18px; }
.deep-copy p {
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--ink);
  margin-top: 17px;
}
.deep-copy > p:first-child { margin-top: 0; }

.deep-table-wrap {
  margin: 26px 0 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
}
.deep-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14.5px;
}
.deep-table th {
  text-align: left;
  padding: 12px 16px;
  background: var(--paper);
  font-weight: 620;
  color: var(--ink);
  white-space: nowrap;
  border-bottom: 1px solid var(--line-soft);
}
.deep-table td {
  padding: 12px 16px;
  border-bottom: 1px solid #f2f2f4;
  color: var(--ink);
}
.deep-table tbody tr:last-child td { border-bottom: 0; }
.deep-table tbody tr:hover { background: #fafafb; }
.deep-caption { margin: 11px 0 0; font-size: 13.5px; line-height: 1.6; color: var(--muted); }

.deep-steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 27px;
}
.deep-steps li { display: grid; grid-template-columns: 44px 1fr; gap: 18px; }
.deep-step-no {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--muted);
  padding-top: 4px;
}
.deep-steps h3 { margin: 0 0 7px; font-size: 17.5px; line-height: 1.4; }
.deep-steps p { margin: 0; font-size: 15.5px; line-height: 1.72; color: var(--ink); }

.deep-bullets {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 15px;
  max-width: 790px;
}
.deep-bullets li {
  position: relative;
  padding-left: 21px;
  font-size: 16px;
  line-height: 1.72;
  color: var(--ink);
}
.deep-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink);
}

@media (max-width: 700px) {
  .deep-block + .deep-block { margin-top: 48px; padding-top: 44px; }
  .deep-copy p, .deep-bullets li { font-size: 15.8px; }
  .deep-steps li { grid-template-columns: 34px 1fr; gap: 12px; }
}

/* ---------------- 相关阅读卡片 ---------------- */
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(238px, 1fr));
  gap: 18px;
  margin-top: 28px;
}
.related-card {
  display: block;
  padding: 22px 22px 24px;
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  background: #fff;
  transition: border-color .18s ease, transform .18s ease;
}
.related-card:hover { border-color: var(--line); transform: translateY(-2px); }
.related-card:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.related-kind {
  display: block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.related-card h3 { margin: 9px 0 7px; font-size: 16px; line-height: 1.42; color: var(--ink); }
.related-card p { margin: 0; font-size: 14px; line-height: 1.6; color: var(--muted); }


/* ==========================================================================
   WCIMCI LED Parts — wholesale counter layer
   Light surfaces, dense tables, blue accent reused from the base system.
   ========================================================================== */

/* ---- top bar ---- */
.topbar { background: var(--night); color: #c9ccd4; font-size: 13px; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 34px; }
.topbar-inner span { letter-spacing: .01em; }
.topbar-right { display: flex; gap: 18px; }
.topbar-right a:hover { color: #fff; }

/* ---- brand mark ---- */
.brand-lock { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  background: linear-gradient(135deg, #1d4ed8, #3b82f6); color: #fff;
  font-weight: 700; font-size: 17px; letter-spacing: -.02em;
}
.brand-word { display: flex; flex-direction: column; line-height: 1.05; font-weight: 650; letter-spacing: .06em; font-size: 16px; }
.brand-sub { font-size: 10.5px; font-weight: 500; letter-spacing: .16em; color: var(--muted-2); text-transform: uppercase; margin-top: 2px; }
.footer-brand .brand-mark { background: #fff; color: var(--night); }
.footer-brand .brand-sub { color: rgba(255,255,255,.55); }

/* ---- mega menu ---- */
.mega-parts {
  position: absolute; left: 0; right: 0; top: 100%; z-index: 60;
  background: #fff; border-top: 1px solid var(--line-soft);
  box-shadow: 0 24px 48px rgba(0,0,0,.10);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s;
}
.nav-parent:hover .mega-parts, .nav-parent:focus-within .mega-parts { opacity: 1; visibility: visible; transform: none; }
.mega-parts-inner { display: grid; grid-template-columns: 260px 1fr; gap: 40px; padding: 28px 0 32px; }
.mega-parts-lead h3 { font-size: 19px; letter-spacing: -.01em; margin: 6px 0 8px; }
.mega-parts-lead p { font-size: 13.5px; color: var(--muted); line-height: 1.55; margin-bottom: 12px; }
.mega-cols { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px 24px; }
.mega-col { display: flex; flex-direction: column; gap: 5px; }
.mega-col a { font-size: 13px; color: var(--muted); padding: 2px 0; }
.mega-col a:hover { color: var(--blue); }
.mega-col .mega-head { font-weight: 620; color: var(--ink); font-size: 13.5px; margin-bottom: 3px; }
.mega-col .mega-more { color: var(--blue); font-size: 12.5px; margin-top: 4px; display: inline-flex; align-items: center; gap: 5px; }

/* ---- hero ---- */
.hero-parts { padding: 54px 0 0; background: linear-gradient(180deg, #f7f9fc 0%, #fff 78%); }
.hp-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 56px; align-items: start; padding-bottom: 44px; }
.hp-copy .display { font-size: clamp(34px, 4.2vw, 54px); line-height: 1.06; letter-spacing: -.025em; margin: 14px 0 18px; }
.hp-copy .display em { font-style: normal; color: var(--blue); }
.hp-copy .lede { font-size: 17.5px; max-width: 620px; }
.hp-facts { display: flex; gap: 34px; margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--line-soft); }
.hp-facts li { display: flex; flex-direction: column; gap: 2px; }
.hp-facts strong { font-size: 24px; font-weight: 640; letter-spacing: -.02em; }
.hp-facts span { font-size: 12.5px; color: var(--muted-2); }

.hp-bom { background: #fff; border: 1px solid var(--line-soft); border-radius: 18px; padding: 22px; box-shadow: 0 18px 40px -28px rgba(16,24,40,.35); }
.bom-head { display: flex; align-items: center; gap: 8px; font-weight: 620; font-size: 15px; margin-bottom: 16px; }
.bom-dot { width: 8px; height: 8px; border-radius: 50%; background: #16a34a; box-shadow: 0 0 0 3px rgba(22,163,74,.15); }
.bom-form { display: grid; gap: 12px; }
.bom-field { display: grid; gap: 5px; font-size: 12.5px; color: var(--muted); }
.bom-field select, .bom-field input {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 9px;
  font: inherit; font-size: 14px; color: var(--ink); background: #fff;
}
.bom-field select:focus, .bom-field input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,113,227,.12); }
.bom-btn { justify-content: center; margin-top: 4px; }
.bom-note { font-size: 12.5px; color: var(--muted-2); margin-top: 12px; line-height: 1.5; }

.pitch-strip { border-top: 1px solid var(--line-soft); background: #fff; }
.pitch-strip-inner { display: flex; align-items: center; gap: 18px; padding: 16px 0; flex-wrap: wrap; }
.pitch-strip-label { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); }
.pitch-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.pitch-chips a {
  padding: 6px 13px; border: 1px solid var(--line); border-radius: 999px;
  font-size: 13px; font-weight: 520; transition: all .15s var(--ease);
}
.pitch-chips a:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-tint); }

/* ---- section spacing ---- */
.section.is-tight { padding-top: 0; }
.block-h { font-size: 26px; letter-spacing: -.02em; margin-bottom: 18px; }

/* ---- category grid ---- */
.cat-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.cat-card {
  display: flex; flex-direction: column; gap: 6px;
  padding: 22px 20px 18px; border: 1px solid var(--line-soft); border-radius: 16px;
  background: #fff; transition: all .18s var(--ease); position: relative;
}
.cat-card:hover { border-color: #b9d4f7; box-shadow: 0 16px 32px -24px rgba(16,24,40,.4); transform: translateY(-2px); }
.cat-ico { color: var(--blue); margin-bottom: 6px; }
.cat-thumb {
  display: block; position: relative; margin: -22px -20px 14px;
  border-radius: 15px 15px 0 0; overflow: hidden;
  aspect-ratio: 16 / 9; background: #f6f8fb; border-bottom: 1px solid #eef1f5;
}
.cat-thumb img, .cat-thumb .media-pic { width: 100%; height: 100%; display: block; }
.cat-thumb img { object-fit: contain; padding: 8px 14px; }
.cat-thumb .ph { height: 100%; }
.cat-card-cta {
  background: linear-gradient(180deg, #f4f8fe 0%, #eaf2fd 100%);
  border: 1px dashed #b6d2f5; justify-content: flex-start;
}
.cat-card-cta:hover { border-color: var(--blue); }
.cat-cta-k { font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--blue); margin-bottom: 8px; }
.cat-card-cta .cat-name { font-size: 17px; line-height: 1.3; }
.cat-card-cta p { font-size: 12.5px; color: var(--muted); line-height: 1.55; margin: 4px 0 0; }
.cat-name { font-size: 16.5px; font-weight: 620; letter-spacing: -.01em; }
.cat-range { font-size: 12px; color: var(--muted-2); }
.cat-count { position: absolute; top: 12px; right: 12px; font-size: 11.5px; color: var(--muted-2); background: var(--paper); padding: 3px 8px; border-radius: 999px; }
.cat-subs { font-size: 12.5px; color: var(--muted); line-height: 1.5; margin-top: 4px; }
.cat-go { margin-top: auto; padding-top: 14px; font-size: 12.5px; color: var(--blue); display: inline-flex; align-items: center; gap: 5px; }

/* ---- stock table ---- */
.stock-table-wrap { overflow-x: auto; border: 1px solid var(--line-soft); border-radius: 14px; background: #fff; }
.stock-table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 720px; }
.stock-table th {
  text-align: left; font-weight: 560; font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted-2); padding: 13px 16px; border-bottom: 1px solid var(--line-soft); background: #fafbfc;
}
.stock-table td { padding: 13px 16px; border-bottom: 1px solid #f0f1f3; vertical-align: middle; }
.stock-table tr:last-child td { border-bottom: 0; }
.stock-table tbody tr:hover { background: #fafcff; }
.stock-table a { font-weight: 540; }
.stock-table a:hover { color: var(--blue); }
.stock-table td.stock-mod { display: flex; align-items: center; gap: 11px; }
.stock-thumb {
  width: 38px; height: 38px; flex: 0 0 38px; border-radius: 7px;
  background: #fff; border: 1px solid var(--line-soft); overflow: hidden;
}
.stock-thumb img, .stock-thumb .media-pic { width: 100%; height: 100%; display: block; }
.stock-thumb img { object-fit: contain; padding: 3px; }
.stock-table td.stock-mod { display: flex; align-items: center; gap: 11px; }
.stock-thumb {
  width: 38px; height: 38px; flex: 0 0 38px; border-radius: 7px;
  background: #fff; border: 1px solid var(--line-soft); overflow: hidden;
}
.stock-thumb img, .stock-thumb .media-pic { width: 100%; height: 100%; display: block; }
.stock-thumb img { object-fit: contain; padding: 3px; }
.stock-table .is-price { font-weight: 600; white-space: nowrap; }
.table-note { font-size: 12.5px; color: var(--muted-2); margin-top: 12px; line-height: 1.55; }
.cat-more { margin-top: 22px; }

/* ---- brand wall ---- */
.brand-section { background: var(--paper); }
.brand-wall { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.brand-tile {
  background: #fff; border: 1px solid var(--line-soft); border-radius: 14px; padding: 18px;
  display: flex; flex-direction: column; gap: 3px; transition: all .16s var(--ease);
}
.brand-tile:hover { border-color: #b9d4f7; transform: translateY(-2px); }
.brand-kind { font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); }
.brand-name { font-size: 17px; font-weight: 640; letter-spacing: -.01em; }
.brand-zh { font-size: 12.5px; color: var(--muted); }
.brand-line { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; }
.brand-count { font-size: 11.5px; color: var(--blue); white-space: nowrap; display: inline-flex; align-items: center; gap: 4px; }
.neutral-note { margin-top: 20px; background: #fff; border: 1px dashed var(--line); border-radius: 14px; padding: 20px 22px; }
.nn-kicker { font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); }
.neutral-note p { font-size: 14px; color: var(--ink-2); margin: 8px 0 10px; line-height: 1.6; }

/* ---- flow ---- */
.flow-list { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; counter-reset: f; }
.flow-step { padding: 22px 20px; border-radius: 16px; background: var(--paper); }
.flow-n { font-size: 12px; font-weight: 700; color: var(--blue); letter-spacing: .1em; }
.flow-step h3 { font-size: 16px; margin: 8px 0 6px; }
.flow-step p { font-size: 13.5px; color: var(--muted); line-height: 1.6; }

/* ---- kits ---- */
.kit-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.kit-card { border: 1px solid var(--line-soft); border-radius: 16px; overflow: hidden; background: #fff; display: flex; flex-direction: column; }
.kit-media { height: 232px; background: #f6f8fb; }
/* the box owns the height, not the photo — otherwise a tall shot stretches
   one card and the three kit cards stop lining up */
.kit-media img, .kit-media .media-pic { width: 100%; height: 100%; display: block; }
/* the box owns the height, not the photo — otherwise a tall shot stretches
   one card and the three kit cards stop lining up */
.kit-media img, .kit-media .media-pic { width: 100%; height: 100%; display: block; }
.kit-body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.kit-body h3 { font-size: 17px; letter-spacing: -.01em; }
.kit-body p { font-size: 13.5px; color: var(--muted); line-height: 1.55; }
.kit-facts { display: flex; gap: 14px; flex-wrap: wrap; margin: 4px 0 2px; }
.kit-facts span { display: flex; flex-direction: column; font-size: 11px; color: var(--muted-2); }
.kit-facts b { font-size: 14px; color: var(--ink); font-weight: 600; }
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 10px; }
.card-price { font-size: 14.5px; font-weight: 620; }
.card-moq { font-size: 11.5px; color: var(--muted-2); }

/* ---- why ---- */
.why-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 20px 44px; }
.why-item h3 { font-size: 16.5px; margin-bottom: 6px; }
.why-item p { font-size: 14px; color: var(--muted); line-height: 1.65; }

/* ---- faq two column ---- */
.faq-2col { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: start; }
.faq-2col h2 { font-size: 26px; letter-spacing: -.02em; margin: 8px 0 10px; }
.faq-lead { font-size: 14px; color: var(--muted); line-height: 1.65; }

/* ---- page hero meta ---- */
.page-hero-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.page-hero-meta > span {
  font-size: 12.5px; color: var(--muted); background: #fff; border: 1px solid var(--line-soft);
  padding: 6px 12px; border-radius: 999px;
}
.page-hero-meta .pill { background: var(--blue-tint); border-color: #cfe3fb; color: var(--blue-dark); font-weight: 560; }
.page-hero-meta b { color: var(--ink); font-weight: 620; }

/* ---- filter chips ---- */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 34px; }
.filter-chip {
  padding: 7px 14px; border: 1px solid var(--line); background: #fff; border-radius: 999px;
  font-size: 13px; color: var(--muted); transition: all .15s var(--ease);
}
.filter-chip:hover { border-color: var(--blue); color: var(--blue); }
.filter-chip.is-on { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ---- category blocks on catalogue page ---- */
.cat-block { margin-bottom: 56px; }
.cat-block-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 14px; }
.cat-block-head h2 { font-size: 26px; letter-spacing: -.02em; margin: 6px 0 6px; }
.cat-block-head p { font-size: 14px; color: var(--muted); max-width: 720px; line-height: 1.6; }

.sub-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.sub-chips a {
  font-size: 12.5px; padding: 6px 13px; border: 1px solid var(--line-soft);
  border-radius: 999px; color: var(--muted); background: #fff;
}
.sub-chips a:hover, .sub-chips a.is-on { border-color: var(--blue); color: var(--blue); background: var(--blue-tint); }
.sub-chips.is-large a { font-size: 13.5px; padding: 8px 16px; }

/* ---- category intro / buyer notes ---- */
.cat-intro { max-width: 820px; margin-bottom: 30px; }
.cat-intro p { font-size: 15.5px; line-height: 1.75; color: var(--ink-2); margin-bottom: 14px; }
.buyer-notes { background: var(--paper); border-radius: 16px; padding: 26px 28px; margin-top: 10px; }
.buyer-notes h2 { font-size: 19px; margin-bottom: 12px; letter-spacing: -.01em; }
.buyer-notes ul { display: grid; gap: 10px; }
.buyer-notes li { position: relative; padding-left: 20px; font-size: 14px; line-height: 1.65; color: var(--ink-2); }
.buyer-notes li::before { content: ""; position: absolute; left: 4px; top: .62em; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }

/* ---- product detail ---- */
.detail-grid { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; }
.detail-media { border: 1px solid var(--line-soft); border-radius: 16px; overflow: hidden; background: #f7f9fc; margin-bottom: 26px; }
.detail-media[data-stage] { aspect-ratio: 16 / 10; max-height: 440px; }
.detail-media[data-stage] { aspect-ratio: 16 / 10; max-height: 440px; }
.detail-media[data-stage] img, .detail-media[data-stage] .media-pic { width: 100%; height: 100%; display: block; }
.detail-media[data-stage] img { object-fit: contain; padding: 14px; background: #fff; }
.detail-gallery { margin-bottom: 26px; }
.detail-gallery .detail-media { margin-bottom: 10px; }
.detail-thumbs { display: flex; gap: 8px; flex-wrap: wrap; }
.dt {
  width: 68px; height: 68px; flex: 0 0 68px; padding: 4px; cursor: pointer;
  background: #fff; border: 1px solid var(--line-soft); border-radius: 9px;
  transition: border-color .16s, box-shadow .16s;
}
.dt img { width: 100%; height: 100%; object-fit: contain; display: block; }
.dt:hover { border-color: #c6d3e4; }
.dt.is-on { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(30,90,220,.13); }
.detail-media .shape-plate { aspect-ratio: 16 / 10; }
.detail-copy p { font-size: 15.5px; line-height: 1.75; color: var(--ink-2); margin-bottom: 14px; max-width: 760px; }
.spec-section { margin-top: 36px; }
.spec-section h2 { font-size: 22px; letter-spacing: -.02em; margin-bottom: 14px; }
.spec-table-wrap { border: 1px solid var(--line-soft); border-radius: 14px; overflow: hidden; background: #fff; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.spec-table th {
  text-align: left; font-weight: 520; color: var(--muted); width: 42%;
  padding: 11px 16px; border-bottom: 1px solid #f0f1f3; background: #fafbfc;
}
.spec-table td { padding: 11px 16px; border-bottom: 1px solid #f0f1f3; font-weight: 540; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.use-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.use-chips li { font-size: 12.5px; padding: 6px 13px; background: var(--paper); border-radius: 999px; color: var(--ink-2); }
.neutral-flag { display: flex; gap: 14px; align-items: flex-start; background: #f3f8ff; border: 1px solid #d8e7fb; border-radius: 12px; padding: 14px 16px; margin-bottom: 22px; }
.neutral-flag span { font-size: 11px; font-weight: 640; letter-spacing: .08em; text-transform: uppercase; color: var(--blue-dark); white-space: nowrap; padding-top: 2px; }
.neutral-flag p { font-size: 13px; color: var(--ink-2); line-height: 1.55; margin: 0; }

.detail-aside { position: sticky; top: 96px; display: grid; gap: 14px; }
.quote-card { border: 1px solid var(--line-soft); border-radius: 16px; padding: 22px; background: #fff; box-shadow: 0 20px 40px -34px rgba(16,24,40,.45); }
.qc-price { font-size: 22px; font-weight: 660; letter-spacing: -.02em; margin: 6px 0 2px; }
.qc-moq { font-size: 12.5px; color: var(--muted-2); margin-bottom: 14px; }
.qc-list { display: grid; gap: 8px; padding: 14px 0; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); margin-bottom: 14px; }
.qc-list li { display: flex; justify-content: space-between; gap: 10px; font-size: 12.5px; color: var(--muted); }
.qc-list b { color: var(--ink); font-weight: 560; text-align: right; }
.qc-btn, .qc-btn2 { width: 100%; justify-content: center; margin-bottom: 8px; }
.qc-note { font-size: 11.5px; color: var(--muted-2); line-height: 1.5; margin-top: 4px; }
.compat-card { border: 1px solid var(--line-soft); border-radius: 16px; padding: 20px; background: var(--paper); }
.compat-card h3 { font-size: 14.5px; margin-bottom: 8px; }
.compat-card p { font-size: 13px; color: var(--muted); line-height: 1.6; margin-bottom: 10px; }

/* ---- pitch cards ---- */
.pitch-cards { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; margin-bottom: 34px; }
.pitch-card { border: 1px solid var(--line-soft); border-radius: 14px; padding: 18px; display: flex; flex-direction: column; gap: 4px; background: #fff; transition: all .16s var(--ease); }
.pitch-card:hover { border-color: #b9d4f7; transform: translateY(-2px); }
.pc-pitch { font-size: 22px; font-weight: 650; letter-spacing: -.02em; }
.pc-count { font-size: 11.5px; color: var(--blue); }
.pc-use { font-size: 12.5px; color: var(--muted); line-height: 1.5; margin: 6px 0 10px; }

/* ---- brand list ---- */
.brand-list { display: grid; gap: 10px; margin-bottom: 40px; }
.brand-row {
  display: grid; grid-template-columns: 110px 200px 1fr 80px; gap: 20px; align-items: center;
  padding: 16px 20px; border: 1px solid var(--line-soft); border-radius: 12px; background: #fff;
  transition: all .15s var(--ease);
}
.brand-row:hover { border-color: #b9d4f7; background: #fbfdff; }
.br-kind { font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-2); }
.br-name { font-size: 16px; font-weight: 620; }
.br-name em { display: block; font-style: normal; font-size: 11.5px; color: var(--muted-2); font-weight: 400; }
.br-blurb { font-size: 13px; color: var(--muted); line-height: 1.55; }
.br-count { font-size: 11.5px; color: var(--blue); text-align: right; }
.brand-note { background: var(--paper); border-radius: 12px; padding: 16px 20px; margin-bottom: 26px; }
.brand-note p { font-size: 13.5px; color: var(--ink-2); line-height: 1.6; }
.disclaimer { background: #fbfbfc; border: 1px solid var(--line-soft); border-radius: 16px; padding: 26px 28px; }
.disclaimer h2 { font-size: 19px; margin-bottom: 12px; }
.disclaimer p { font-size: 14px; color: var(--ink-2); line-height: 1.7; margin-bottom: 10px; }
.empty-note { font-size: 14px; color: var(--muted); padding: 24px 0; }

/* ---- tier table / terms ---- */
.tier-table-wrap { border: 1px solid var(--line-soft); border-radius: 14px; overflow: hidden; margin-bottom: 34px; }
.tier-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.tier-table th { text-align: left; padding: 13px 18px; background: #fafbfc; font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted-2); font-weight: 560; border-bottom: 1px solid var(--line-soft); }
.tier-table td { padding: 14px 18px; border-bottom: 1px solid #f0f1f3; }
.tier-table tr:last-child td { border-bottom: 0; }
.tier-table td:first-child { font-weight: 600; white-space: nowrap; }
.terms-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; margin-bottom: 40px; }
.terms-item { background: var(--paper); border-radius: 14px; padding: 22px; }
.terms-item h3 { font-size: 15.5px; margin-bottom: 8px; }
.terms-item p { font-size: 13.5px; color: var(--muted); line-height: 1.65; }

/* ---- about ---- */
.about-split { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; }
.about-copy p { font-size: 15.5px; line-height: 1.78; color: var(--ink-2); margin-bottom: 16px; max-width: 720px; }
.about-copy h2 { font-size: 21px; letter-spacing: -.02em; margin: 26px 0 10px; }
.about-facts { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line-soft); }
.about-facts b { display: block; font-size: 22px; font-weight: 650; letter-spacing: -.02em; }
.about-facts span { font-size: 12px; color: var(--muted-2); }
.about-aside { display: grid; gap: 14px; }

/* ---- downloads ---- */
.dl-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; margin-bottom: 40px; }
.dl-card { border: 1px solid var(--line-soft); border-radius: 14px; padding: 22px; background: #fff; display: flex; flex-direction: column; gap: 8px; transition: all .16s var(--ease); }
.dl-card:hover { border-color: #b9d4f7; transform: translateY(-2px); }
.dl-tag { font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--blue); }
.dl-card h3 { font-size: 16px; }
.dl-card p { font-size: 13px; color: var(--muted); line-height: 1.6; }
.dl-meta { font-size: 11.5px; color: var(--muted-2); margin-top: auto; padding-top: 6px; }

/* ---- posts ---- */
.post-list { display: grid; gap: 12px; }
.post-row { display: grid; grid-template-columns: 150px 1fr; gap: 6px 24px; padding: 20px 22px; border: 1px solid var(--line-soft); border-radius: 14px; background: #fff; transition: all .15s var(--ease); }
.post-row:hover { border-color: #b9d4f7; background: #fbfdff; }
.post-meta { font-size: 11.5px; color: var(--blue); grid-row: span 2; padding-top: 3px; }
.post-title { font-size: 17px; font-weight: 600; letter-spacing: -.01em; }
.post-desc { font-size: 13.5px; color: var(--muted); line-height: 1.6; grid-column: 2; }
.post-date { font-size: 11.5px; color: var(--muted-2); display: none; }

/* ---- article ---- */
.article-wrap { max-width: 780px; }
.article .display { font-size: clamp(28px, 3.4vw, 42px); line-height: 1.12; letter-spacing: -.025em; margin: 14px 0 16px; }
.article-lead { font-size: 17px; color: var(--muted); line-height: 1.7; margin-bottom: 28px; }
.article-body h2 { font-size: 22px; letter-spacing: -.02em; margin: 34px 0 12px; }
.article-body p { font-size: 16px; line-height: 1.8; color: var(--ink-2); margin-bottom: 16px; }
.article-body ul { display: grid; gap: 10px; margin: 0 0 20px; padding-left: 20px; list-style: disc; }
.article-body li { font-size: 15.5px; line-height: 1.75; color: var(--ink-2); }
.article-foot { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line-soft); display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; font-size: 13px; color: var(--muted-2); }

/* ---- contact ---- */
.contact-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: start; }
.contact-points { display: grid; gap: 12px; }
.contact-point { border: 1px solid var(--line-soft); border-radius: 14px; padding: 18px 20px; background: #fff; }
.contact-point h3 { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-2); font-weight: 560; margin-bottom: 6px; }
.contact-point p { font-size: 15px; font-weight: 560; margin-bottom: 4px; }
.contact-point p a:hover { color: var(--blue); }
.contact-point span { font-size: 12.5px; color: var(--muted-2); line-height: 1.5; }

/* ---- 404 ---- */
.notfound { text-align: center; padding: 40px 0 60px; max-width: 620px; margin-inline: auto; }
.notfound .display { margin: 12px 0 14px; }
.notfound .hero-actions { justify-content: center; }

/* ---- responsive ---- */
@media (max-width: 1080px) {
  .hp-grid { grid-template-columns: 1fr; gap: 32px; }
  .mega-cols { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .mega-parts-inner { grid-template-columns: 1fr; gap: 20px; }
  .mega-parts-lead { display: none; }
  .cat-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .brand-wall { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .flow-list { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .kit-grid, .dl-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .detail-grid, .about-split, .contact-grid { grid-template-columns: 1fr; }
  .detail-aside { position: static; }
  .brand-row { grid-template-columns: 90px 1fr 80px; }
  .br-blurb { display: none; }
  .pitch-cards { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .terms-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 720px) {
  .topbar-inner { justify-content: center; font-size: 11.5px; }
  .topbar-right { display: none; }
  .cat-grid, .brand-wall, .kit-grid, .dl-grid, .pitch-cards { grid-template-columns: repeat(2, minmax(0,1fr)); }
  /* two category tiles across a 390px screen leaves ~170px of text — the
     sub-line list does not survive that, the name and the count do */
  .cat-card { padding: 16px 14px 14px; }
  .cat-thumb { margin: -16px -14px 10px; }
  .cat-subs { display: none; }
  .cat-card-cta p { font-size: 12px; }
  .cat-count { font-size: 11px; padding: 2px 7px; top: 9px; right: 9px; }
  .flow-list, .why-grid, .faq-2col, .terms-grid { grid-template-columns: 1fr; }
  .hp-facts { gap: 20px; flex-wrap: wrap; }
  .cat-block-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .post-row { grid-template-columns: 1fr; }
  .post-meta { grid-row: auto; }
  .post-desc { grid-column: 1; }
  .brand-row { grid-template-columns: 1fr 70px; }
  .br-kind { display: none; }
  .about-facts { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

/* ============================================================
   Polish pass — hero meta pills, plate scale, small alignment
   ============================================================ */

/* Hero meta chips: an earlier rule made <b> a 20px block, which pushed the
   label text out of the pill. Force everything back onto one baseline. */
.page-hero-meta { align-items: center; gap: 8px; margin-top: 22px; }
.page-hero-meta > span {
  display: inline-flex; align-items: baseline; gap: 6px;
  font-size: 12.5px; line-height: 1.45; white-space: nowrap;
  padding: 6px 13px;
}
.page-hero-meta > span b {
  display: inline; font-size: 12.5px; font-weight: 660; letter-spacing: 0;
}
.page-hero-meta > span.pill { font-weight: 560; }

/* Line plates were drawn small inside tall media boxes; give them more room. */
.shape-plate svg { width: min(88%, 420px); }
.product-media .shape-plate svg { width: min(84%, 300px); }
.detail-media .shape-plate svg { width: min(76%, 400px); }
.detail-media { aspect-ratio: 1 / .8; }

/* Product hero: pair the copy with the quick facts instead of leaving a void. */
.detail-copy h1 { max-width: 640px; }
.detail-copy .lede { max-width: 620px; }

/* ============================================================
   Polish pass — hero meta pills, plate scale, small alignment
   ============================================================ */

/* Hero meta chips: an earlier rule made <b> a 20px block, which pushed the
   label text out of the pill. Force everything back onto one baseline. */
.page-hero-meta { align-items: center; gap: 8px; margin-top: 22px; }
.page-hero-meta > span {
  display: inline-flex; align-items: baseline; gap: 6px;
  font-size: 12.5px; line-height: 1.45; white-space: nowrap;
  padding: 6px 13px;
}
.page-hero-meta > span b {
  display: inline; font-size: 12.5px; font-weight: 660; letter-spacing: 0;
}
.page-hero-meta > span.pill { font-weight: 560; }

/* Line plates were drawn small inside tall media boxes; give them more room. */
.shape-plate svg { width: min(88%, 420px); }
.product-media .shape-plate svg { width: min(84%, 300px); }
.detail-media .shape-plate svg { width: min(76%, 400px); }
.detail-media { aspect-ratio: 1 / .8; }

/* Product hero: pair the copy with the quick facts instead of leaving a void. */
.detail-copy h1 { max-width: 640px; }
.detail-copy .lede { max-width: 620px; }

/* Hero texture: a faint grid on the right keeps the wide hero from reading
   as an empty half-page on 1440px screens. Purely decorative. */
.page-hero { position: relative; overflow: hidden; }
.page-hero::before {
  content: "";
  position: absolute; right: -80px; top: -60px; width: 620px; height: 400px;
  background-image:
    linear-gradient(rgba(17,24,39,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17,24,39,.055) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(58% 62% at 68% 42%, #000 0%, transparent 76%);
  mask-image: radial-gradient(58% 62% at 68% 42%, #000 0%, transparent 76%);
  pointer-events: none;
}
.page-hero::after {
  content: "";
  position: absolute; right: 4%; top: -120px; width: 460px; height: 340px;
  background: radial-gradient(closest-side, rgba(59,130,246,.10), transparent 72%);
  pointer-events: none;
}
.page-hero .shell { position: relative; z-index: 1; }
@media (max-width: 900px) { .page-hero::before, .page-hero::after { display: none; } }

/* Hero texture: a faint grid on the right keeps the wide hero from reading
   as an empty half-page on 1440px screens. Purely decorative. */
.page-hero { position: relative; overflow: hidden; }
.page-hero::before {
  content: "";
  position: absolute; right: -80px; top: -60px; width: 620px; height: 400px;
  background-image:
    linear-gradient(rgba(17,24,39,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17,24,39,.055) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(58% 62% at 68% 42%, #000 0%, transparent 76%);
  mask-image: radial-gradient(58% 62% at 68% 42%, #000 0%, transparent 76%);
  pointer-events: none;
}
.page-hero::after {
  content: "";
  position: absolute; right: 4%; top: -120px; width: 460px; height: 340px;
  background: radial-gradient(closest-side, rgba(59,130,246,.10), transparent 72%);
  pointer-events: none;
}
.page-hero .shell { position: relative; z-index: 1; }
@media (max-width: 900px) { .page-hero::before, .page-hero::after { display: none; } }

/* ---------- brand lock: real WEIMEI logo + stacked WCIMCI wordmark ---------- */
.brand-lock { gap: 11px; }
.brand-lock .brand-logo { height: var(--lock-h); width: auto; display: block; flex-shrink: 0; }
.brand-lock .brand-word {
  display: flex; flex-direction: column; justify-content: center; gap: 3px;
  color: #0f2a55;
}
.brand-lock .brand-sub {
  display: block; padding: 0; border: 0; line-height: 1;
  font-size: calc(var(--lock-h) * .21); letter-spacing: .16em; color: var(--muted-2);
}

/* ---------- brand lock: real WEIMEI logo + stacked WCIMCI wordmark ---------- */
.brand-lock { gap: 11px; }
.brand-lock .brand-logo { height: var(--lock-h); width: auto; display: block; flex-shrink: 0; }
.brand-lock .brand-word {
  display: flex; flex-direction: column; justify-content: center; gap: 3px;
  color: #0f2a55;
}
.brand-lock .brand-sub {
  display: block; padding: 0; border: 0; line-height: 1;
  font-size: calc(var(--lock-h) * .21); letter-spacing: .16em; color: var(--muted-2);
}
.site-header .brand-lock { --lock-h: 46px; }
@media (max-width: 720px) { .site-header .brand-lock { --lock-h: 34px; } }
.site-header .brand-lock { --lock-h: 46px; }
@media (max-width: 720px) { .site-header .brand-lock { --lock-h: 34px; } }
/* header lock: give the logo enough height for its own wordmark to read */
.site-header .brand-lock { --lock-h: 54px; gap: 13px; }
.site-header .brand-lock .brand-word { font-size: 22px; letter-spacing: .055em; }
.site-header .brand-lock .brand-sub { font-size: 9.5px; letter-spacing: .2em; }
@media (max-width: 720px) {
  .site-header .brand-lock { --lock-h: 36px; gap: 8px; }
  .site-header .brand-lock .brand-word { font-size: 15px; }
}
/* header lock: give the logo enough height for its own wordmark to read */
.site-header .brand-lock { --lock-h: 54px; gap: 13px; }
.site-header .brand-lock .brand-word { font-size: 22px; letter-spacing: .055em; }
.site-header .brand-lock .brand-sub { font-size: 9.5px; letter-spacing: .2em; }
@media (max-width: 720px) {
  .site-header .brand-lock { --lock-h: 36px; gap: 8px; }
  .site-header .brand-lock .brand-word { font-size: 15px; }
}

/* ---------------------------------------------------------------
   Photography layer.
   The source shots are catalogue cut-outs on white, not lifestyle
   frames, so cover-cropping cuts the product in half. Fit the whole
   part inside the box and let the white sit on a light panel.
   --------------------------------------------------------------- */
.product-media, .kit-media { background: #fff; }
.product-media img,
.kit-media img { object-fit: contain; background: #fff; padding: 10px; }
.detail-media { background: #fff; }
.detail-media img { object-fit: contain; background: #fff; padding: 14px; }
@media (max-width: 720px) {
  .product-media img, .kit-media img { padding: 6px; }
  .detail-media img { padding: 8px; }
}

/* ---------------------------------------------------------------
   Photography layer.
   The source shots are catalogue cut-outs on white, not lifestyle
   frames, so cover-cropping cuts the product in half. Fit the whole
   part inside the box and let the white sit on a light panel.
   --------------------------------------------------------------- */


/* ---------------------------------------------------------------
   Mobile: the Products mega panel is a separate class (.mega-parts),
   it never picks up .nav-parent.open .mega, so tapping "Products" on
   a phone used to toggle a class that showed nothing. Take it over
   here and flatten the 4-column grid into a plain list.
   --------------------------------------------------------------- */
@media (max-width: 1040px) {
  .main-nav .mega-parts {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border-top: 0;
    display: none;
    padding: 0;
  }
  .main-nav .nav-parent.open .mega-parts { display: block; }
  .main-nav .mega-parts-inner { grid-template-columns: 1fr; gap: 0; padding: 4px 0 12px; }
  .main-nav .mega-parts-lead { display: none; }
  .main-nav .mega-cols { grid-template-columns: 1fr; gap: 0; }
  .main-nav .mega-col { gap: 0; }
  .main-nav .mega-col a { padding: 10px 4px; border-bottom: 1px solid #f0f0f2; font-size: 14px; }
  .main-nav .mega-col .mega-head { margin: 10px 0 2px; }
  .main-nav .mega-col .mega-more { margin: 6px 0 2px; }
}


/* ---------------------------------------------------------------
   Mobile: the Products mega panel is a separate class (.mega-parts),
   it never picks up .nav-parent.open .mega, so tapping "Products" on
   a phone used to toggle a class that showed nothing. Take it over
   here and flatten the 4-column grid into a plain list.
   --------------------------------------------------------------- */
@media (max-width: 1040px) {
  .main-nav .mega-parts {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border-top: 0;
    display: none;
    padding: 0;
  }
  .main-nav .nav-parent.open .mega-parts { display: block; }
  .main-nav .mega-parts-inner { grid-template-columns: 1fr; gap: 0; padding: 4px 0 12px; }
  .main-nav .mega-parts-lead { display: none; }
  .main-nav .mega-cols { grid-template-columns: 1fr; gap: 0; }
  .main-nav .mega-col { gap: 0; }
  .main-nav .mega-col a { padding: 10px 4px; border-bottom: 1px solid #f0f0f2; font-size: 14px; }
  .main-nav .mega-col .mega-head { margin: 10px 0 2px; }
  .main-nav .mega-col .mega-more { margin: 6px 0 2px; }
}

@media (max-width: 1040px) {
  /* 41 个子项一次性铺开有近 2000px 高，手机上要划半天。
     只留分类名 + All 链接，靠分类页看子类，长度降到一屏。 */
  .main-nav .mega-col {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    border-bottom: 1px solid #f0f0f2;
  }
  .main-nav .mega-col > a:not(.mega-head):not(.mega-more) { display: none; }
  .main-nav .mega-col .mega-head {
    border-bottom: 0;
    padding: 12px 4px;
    font-size: 14.5px;
    margin: 0;
  }
  .main-nav .mega-col .mega-more { border-bottom: 0; margin: 0; padding: 12px 4px; }
}

@media (max-width: 1040px) {
  /* 41 个子项一次性铺开有近 2000px 高，手机上要划半天。
     只留分类名 + All 链接，靠分类页看子类，长度降到一屏。 */
  .main-nav .mega-col {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    border-bottom: 1px solid #f0f0f2;
  }
  .main-nav .mega-col > a:not(.mega-head):not(.mega-more) { display: none; }
  .main-nav .mega-col .mega-head {
    border-bottom: 0;
    padding: 12px 4px;
    font-size: 14.5px;
    margin: 0;
  }
  .main-nav .mega-col .mega-more { border-bottom: 0; margin: 0; padding: 12px 4px; }
}

@media (max-width: 1040px) {
  /* backdrop-filter 会给 header 造一个包含块，里面 position:fixed 的
     #mainNav 就变成相对 header 定位（只占 284px 宽，左边漏出页面）。
     手机上毛玻璃本来也看不出效果，直接关掉换实色，fixed 恢复相对视口。 */
  .site-header {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: #fff;
  }
}

@media (max-width: 1040px) {
  /* backdrop-filter 会给 header 造一个包含块，里面 position:fixed 的
     #mainNav 就变成相对 header 定位（只占 284px 宽，左边漏出页面）。
     手机上毛玻璃本来也看不出效果，直接关掉换实色，fixed 恢复相对视口。 */
  .site-header {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: #fff;
  }
}

@media (max-width: 1040px) {
  /* 手机上 #mainNav 的 position:fixed 没有相对视口取宽（实测只有 284px，
     左边漏出页面内容）。改成相对 header 的绝对定位，header 是全宽的。 */
  .site-header #mainNav.main-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin: 0;
    max-height: calc(100dvh - 70px);
  }
}

@media (max-width: 1040px) {
  /* 手机上 #mainNav 的 position:fixed 没有相对视口取宽（实测只有 284px，
     左边漏出页面内容）。改成相对 header 的绝对定位，header 是全宽的。 */
  .site-header #mainNav.main-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin: 0;
    max-height: calc(100dvh - 70px);
  }
}

@media (max-width: 1040px) {
  /* #mainNav 是 .nav-shell（grid）的子项，fixed 定位时拿到的包含块是网格区
     （284px 宽、居中），left/right:0 只能铺满网格区，左边会漏出页面。
     用 50% - 50vw 把左边界拉回视口左侧，宽度直接取 100vw。 */
  .site-header #mainNav.main-nav {
    position: fixed;
    left: calc(50% - 50vw);
    right: auto;
    width: 100vw;
    top: 104px;                    /* header 底边（topbar 36 + 主体 68）；100% 在 fixed 下等于视口高 */
    margin: 0;
    max-height: calc(100dvh - 104px);
  }
}

@media (max-width: 1040px) {
  /* #mainNav 是 .nav-shell（grid）的子项，fixed 定位时拿到的包含块是网格区
     （284px 宽、居中），left/right:0 只能铺满网格区，左边会漏出页面。
     用 50% - 50vw 把左边界拉回视口左侧，宽度直接取 100vw。 */
  .site-header #mainNav.main-nav {
    position: fixed;
    left: calc(50% - 50vw);
    right: auto;
    width: 100vw;
    top: 104px;                    /* header 底边（topbar 36 + 主体 68）；100% 在 fixed 下等于视口高 */
    margin: 0;
    max-height: calc(100dvh - 104px);
  }
}