@charset "UTF-8";
/* ==========================================================================
   楠泰科技官网 样式表
   无外部字体依赖（国内访问稳定），纯 CSS，无框架
   ========================================================================== */

:root {
  /* ---------------------------------------------------------------
     三色体系（V4）
       主色   —— 蓝        --accent / --accent-dim
       辅助色 —— 同族浅蓝  --accent-2 / --accent-3
       中性色 —— 深蓝墨 + 白灰
     全站只用蓝色一个色相，靠明度与面积分层，不出现跳色。
     --------------------------------------------------------------- */

  /* 中性色 · 深（页脚、深色板块） */
  --ink:        #0a1a4a;
  --ink-2:      #0d2158;
  --ink-3:      #122a6b;
  --ink-4:      #1a3684;

  /* 中性色 · 浅（页面底色、分隔线） */
  --paper:      #ffffff;
  --paper-2:    #f4f6fd;
  --paper-3:    #e6ebfa;

  /* 主色 */
  --accent:     #334dbc;
  --accent-dim: #24379b;

  /* 辅助色（同族浅蓝，仅用于点缀 / 悬停 / 强调） */
  --accent-2:   #5b8cff;
  --accent-3:   #8fb0ff;

  --on-dark:    #eaf1ff;
  --on-dark-mut:#a3b6e6;
  --on-light:   #0f1a2b;
  --on-light-mut:#5a6b85;

  --line-dark:  rgba(255,255,255,.10);
  --line-dark-2:rgba(255,255,255,.06);
  --line-light: #dde3f5;

  /* 头部高度（单行：公司全称 + 主导航） */
  --hdr-h:      68px;

  --radius:     14px;
  --radius-sm:  9px;
  --radius-lg:  20px;

  --shadow-sm:  0 1px 2px rgba(9,20,40,.06), 0 4px 12px rgba(9,20,40,.05);
  --shadow-md:  0 6px 24px rgba(9,20,40,.09);
  --shadow-lg:  0 18px 50px rgba(9,20,40,.14);

  --wrap:       1200px;
  --gutter:     24px;

  --font-cn: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
             "Noto Sans SC", "Hiragino Sans GB", "Source Han Sans SC", sans-serif;
  --font-en: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial,
             "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-num: Bahnschrift, "DIN Alternate", "Segoe UI Variable", "Segoe UI",
              "Helvetica Neue", Arial, var(--font-cn);
}

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

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

body {
  margin: 0;
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.75;
  color: var(--on-light);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.lang-en { font-family: var(--font-en); }
body.nav-open { overflow: hidden; }

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.22; letter-spacing: -.012em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

::selection { background: rgba(51,77,188,.22); }

/* ------------------------------------------------------------ 布局基础 */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

.section { padding: 78px 0; }
.section--tight { padding: 56px 0; }
.section--dark { background: var(--ink); color: var(--on-dark); }
.section--dark2 { background: var(--ink-2); color: var(--on-dark); }
.section--paper { background: var(--paper-2); }

.section-head { max-width: 760px; margin-bottom: 42px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
/* 长标题：正文仍按 760px 排版，标题可占满整行并按视口收字号，
   避免折行把左右括号装饰拉长、右括号跑到第二行 */
.section-head--wide { max-width: 1200px; }
.section-head--wide .sub { max-width: 760px; }
.section-head--wide .h-section { font-size: clamp(24px, calc(3.3vw - 2px), 37px); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-num);
  font-size: 12px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 13px;
}
.eyebrow::before {
  content: ""; width: 22px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.section-head--center .eyebrow::before { display: none; }
.section-head--center .eyebrow { justify-content: center; }
.section--dark .eyebrow, .section--dark2 .eyebrow { color: var(--accent-2); }
.section--dark .eyebrow::before, .section--dark2 .eyebrow::before {
  background: linear-gradient(90deg, var(--accent-2), transparent);
}

.h-section { font-size: clamp(28px, 3.6vw, 42px); }
/* 方括号：左括号贴容器左边、跨整段高度；右括号挂在行内 span 上，
   标题换行时贴住最后一行文字，而不是跑到容器最右边 */
.section-head .h-section { position: relative; display: block; padding-left: 30px; }
.section-head .h-section::before {
  content: ""; position: absolute; left: 0; top: .16em; bottom: .16em; width: 13px;
  border: 2.5px solid var(--accent); border-right: 0;
}
.section-head .h-section > span { position: relative; display: inline; padding-right: 30px; }
.section-head .h-section > span::after {
  content: ""; position: absolute; right: 0; top: .16em; bottom: .16em; width: 13px;
  border: 2.5px solid var(--accent); border-left: 0;
}
.section--dark .section-head .h-section::before,
.section--dark2 .section-head .h-section::before,
.section--dark .section-head .h-section > span::after,
.section--dark2 .section-head .h-section > span::after { border-color: var(--accent-2); }
.h-page { font-size: clamp(32px, 4.6vw, 54px); }

.lead { margin-top: 18px; font-size: 17px; line-height: 1.8; color: var(--on-light-mut); }
.section--dark .lead, .section--dark2 .lead { color: var(--on-dark-mut); }

.sub { margin-top: 16px; color: var(--on-light-mut); }
.section--dark .sub, .section--dark2 .sub { color: var(--on-dark-mut); }

/* ---------------------------------------------------------------- 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: 48px; padding: 0 26px;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; letter-spacing: .01em;
  white-space: nowrap;
  transition: transform .18s ease, box-shadow .22s ease, background .22s ease,
              border-color .22s ease, color .22s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2) 60%, var(--accent));
  box-shadow: 0 6px 20px rgba(51,77,188,.30);
}
.btn--primary:hover { box-shadow: 0 12px 30px rgba(51,77,188,.42); }

.btn--blue { color: #fff; background: var(--accent); box-shadow: 0 6px 18px rgba(51,77,188,.28); }
.btn--blue:hover { background: var(--accent-dim); box-shadow: 0 12px 28px rgba(51,77,188,.36); }

.btn--ghost { color: var(--on-dark); border-color: rgba(255,255,255,.22); background: rgba(255,255,255,.04); }
.btn--ghost:hover { border-color: rgba(255,255,255,.42); background: rgba(255,255,255,.09); }

.btn--ghost-light { color: var(--on-light); border-color: var(--line-light); background: #fff; }
.btn--ghost-light:hover { border-color: var(--accent); color: var(--accent); box-shadow: var(--shadow-sm); }

.btn--sm { height: 40px; padding: 0 18px; font-size: 14px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.btn .arw { transition: transform .22s ease; }
.btn:hover .arw { transform: translateX(3px); }

/* ---------------------------------------------------------------- 头部 */
.hdr {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: rgba(10,26,74,.70);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease;
}
.hdr.is-stuck { background: rgba(8,21,62,.94); border-bottom-color: var(--line-dark); }

/* 单行头部：公司全称 + 主导航 + 语言切换 / 报价 */
.hdr__in { display: flex; align-items: center; gap: 22px; height: var(--hdr-h); }

.logo { display: flex; align-items: center; gap: 12px; flex: 0 1 auto; min-width: 0; }
.logo__mark { width: 34px; height: 34px; flex: 0 0 auto; }
.logo__txt { display: flex; flex-direction: column; line-height: 1.12; min-width: 0; }
.logo__name { font-size: 17px; font-weight: 700; color: #fff; letter-spacing: .02em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.logo__sub {
  font-family: var(--font-num); font-size: 9.5px; font-weight: 600;
  letter-spacing: .15em; color: var(--on-dark-mut); text-transform: uppercase;
}

.navwrap { margin-left: auto; display: flex; align-items: center; gap: 14px; }

.nav { display: flex; align-items: center; gap: 2px; }
.nav > a {
  position: relative; padding: 8px 12px; border-radius: 8px;
  font-size: 15px; font-weight: 500; color: var(--on-dark-mut);
  transition: color .2s ease, background .2s ease;
}
.nav > a:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav > a.is-active { color: #fff; }
.nav > a.is-active::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 2px;
  border-radius: 2px; background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.hdr__side { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }

.langsw { display: flex; align-items: center; padding: 3px; border-radius: 8px; background: rgba(255,255,255,.07); }
.langsw a {
  padding: 4px 11px; border-radius: 6px; font-family: var(--font-num);
  font-size: 12px; font-weight: 600; letter-spacing: .06em; color: var(--on-dark-mut);
  transition: color .2s ease, background .2s ease;
}
.langsw a.is-on { color: var(--ink); background: #fff; }
.langsw a:not(.is-on):hover { color: #fff; }

.burger { display: none; width: 40px; height: 40px; border: 1px solid var(--line-dark);
  border-radius: 9px; background: rgba(255,255,255,.05); position: relative; }
.burger span { position: absolute; left: 11px; right: 11px; height: 1.8px; border-radius: 2px;
  background: #fff; transition: transform .25s ease, opacity .2s ease; }
.burger span:nth-child(1) { top: 14px; }
.burger span:nth-child(2) { top: 19px; }
.burger span:nth-child(3) { top: 24px; }
body.nav-open .burger span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
body.nav-open .burger span:nth-child(2) { opacity: 0; }
body.nav-open .burger span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ---------------------------------------------------------------- Hero */
.hero {
  position: relative; padding: calc(var(--hdr-h) + 62px) 0 78px; color: var(--on-dark); overflow: hidden;
  background: var(--ink) url("../img/bg/hero-network.jpg") center 32% / cover no-repeat;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(8,21,62,.88) 0%, rgba(19,42,107,.74) 44%, rgba(8,21,62,.93) 100%),
    radial-gradient(ellipse 64% 58% at 80% 16%, rgba(91,140,255,.24), transparent 64%);
}
.hero::after {
  content: ""; position: absolute; z-index: 0;
  width: 900px; height: 700px; right: -260px; top: -220px;
  background: radial-gradient(circle, rgba(51,77,188,.42), rgba(91,140,255,.12) 42%, transparent 70%);
  filter: blur(30px); pointer-events: none;
}
.hero__in { position: relative; z-index: 1; }

.hero__grid { display: grid; grid-template-columns: minmax(0, 1.14fr) minmax(0, .86fr); gap: 48px; align-items: center; }
.hero__h1 { font-size: clamp(32px, 4.1vw, 48px); letter-spacing: -.02em; }
.hero__h1 .grad {
  display: block;
  background: linear-gradient(100deg, #fff 8%, var(--accent-2) 62%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lead { margin-top: 24px; font-size: 17px; line-height: 1.9; color: var(--on-dark-mut); max-width: 620px; }

.hero__panel {
  border: 1px solid var(--line-dark); border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(255,255,255,.07), rgba(255,255,255,.015) 60%);
  padding: 26px;
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  box-shadow: 0 30px 70px rgba(0,0,0,.35);
}
.hero__panel img { width: 100%; height: auto; border-radius: var(--radius); background: #fff;
  aspect-ratio: 1 / 1; object-fit: contain; }
.hero__kv { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 20px;
  background: var(--line-dark); border-radius: var(--radius); overflow: hidden; }
.hero__kv > div { background: rgba(10,28,74,.74); padding: 15px 17px; }
.hero__kv dt { font-size: 12px; color: var(--on-dark-mut); letter-spacing: .04em; }
.hero__kv dd { margin: 3px 0 0; font-family: var(--font-num); font-size: 19px; font-weight: 600; color: #fff; }

.hero__stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 66px;
  background: var(--line-dark); border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.hero__stats > div { background: rgba(10,28,74,.62); padding: 26px 22px; }
.hero__stats .n { font-family: var(--font-num); font-size: clamp(22px, 2.4vw, 30px); font-weight: 700; color: #fff; letter-spacing: -.01em; }
.hero__stats .l { margin-top: 4px; font-size: 13px; color: var(--on-dark-mut); }

/* 页面小 Hero */
.phero {
  position: relative; padding: calc(var(--hdr-h) + 48px) 0 58px; color: var(--on-dark); overflow: hidden;
  background: var(--ink) url("../img/bg/hero-network.jpg") center 42% / cover no-repeat;
}
.phero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(8,21,62,.90) 0%, rgba(19,42,107,.84) 58%, rgba(8,21,62,.95) 100%);
}
.phero::after {
  content: ""; position: absolute; right: -180px; top: -200px; width: 640px; height: 560px;
  background: radial-gradient(circle, rgba(51,77,188,.36), transparent 68%); filter: blur(26px);
}
.phero__in { position: relative; z-index: 1; max-width: 860px; }
.phero .lead { max-width: 760px; }

.crumb { font-size: 13px; color: var(--on-dark-mut); margin-bottom: 20px;
  font-family: var(--font-num); letter-spacing: .05em; }
.crumb a:hover { color: var(--accent-2); }
.crumb .sep { margin: 0 9px; opacity: .45; }

/* ------------------------------------------------------------ 能力四宫格 */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.card {
  position: relative; padding: 30px 26px;
  border: 1px solid var(--line-light); border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #c9d9f2; }
.card__no {
  font-family: var(--font-num); font-size: 12px; font-weight: 700; letter-spacing: .14em;
  color: var(--accent); margin-bottom: 14px;
}
.card__t { font-size: 19px; margin-bottom: 10px; }
.card__d { font-size: 14.5px; line-height: 1.8; color: var(--on-light-mut); }
.card__bar { position: absolute; left: 26px; top: 0; width: 40px; height: 3px; border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2)); opacity: 0; transition: opacity .25s ease; }
.card:hover .card__bar { opacity: 1; }

/* 技术能力卡：代码绘制的动态图形（纯 SVG + CSS，无图片无视频） */
.card__art {
  position: relative; margin: -6px 0 22px; padding-bottom: 56.25%;
  border-radius: 12px; overflow: hidden;
  border: 1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(130% 120% at 50% 0%, rgba(91,140,255,.17), rgba(91,140,255,0) 60%),
    linear-gradient(158deg, #0a1d3b, #061226 72%);
}
.card__art::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(120,170,255,.085) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,170,255,.085) 1px, transparent 1px);
  background-size: 20px 20px;
  -webkit-mask-image: radial-gradient(115% 95% at 50% 45%, #000 40%, transparent 100%);
  mask-image: radial-gradient(115% 95% at 50% 45%, #000 40%, transparent 100%);
}
.card__art svg { position: absolute; left: 0; top: 0; width: 100%; height: 100%; display: block; }

.art__ink { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.art__wire { stroke: rgba(140,175,255,.30); stroke-width: 1.4; }
.art__box { stroke: rgba(150,185,255,.55); stroke-width: 1.5; fill: rgba(91,140,255,.055); }
.art__box--dim { stroke: rgba(140,175,255,.32); fill: none; }
.art__grid { stroke: rgba(140,175,255,.30); stroke-width: 1.2; }
.art__node { fill: #8fb0ff; stroke: none; }
.art__dot { fill: rgba(150,185,255,.55); stroke: none; }
.art__pad { fill: rgba(150,185,255,.5); stroke: none; }
.art__leds rect { fill: rgba(120,170,255,.75); animation: art-led 2.6s ease-in-out infinite; }
.art__bars rect { fill: #6f9bff; transform-box: fill-box; transform-origin: 50% 100%;
  animation: art-bars 2.2s ease-in-out infinite; }
.art__ring { stroke: rgba(140,175,255,.30); stroke-width: 1.3;
  stroke-dasharray: 1.25 5; animation: art-ring 9s linear infinite; }
.art__halo { stroke: rgba(120,170,255,.5); stroke-width: 1.4;
  transform-box: fill-box; transform-origin: 50% 50%; animation: art-halo 2.8s ease-in-out infinite; }
.art__core { fill: #5b8cff; stroke: none; transform-box: fill-box; transform-origin: 50% 50%;
  animation: art-core 2.8s ease-in-out infinite; filter: drop-shadow(0 0 8px rgba(91,140,255,.7)); }
.art__coreRing { stroke: rgba(190,214,255,.85); stroke-width: 1.6; fill: none;
  transform-box: fill-box; transform-origin: 50% 50%; animation: art-halo 2.8s ease-in-out infinite; }
.art__flow { stroke: #b6cdff; stroke-width: 2.4; stroke-dasharray: 16 84;
  animation: art-flow 2.6s linear infinite; }
.art__wave { stroke: #7ea6ff; stroke-width: 1.8; stroke-dasharray: 3 4;
  animation: art-wave 3.4s linear infinite; }
.art__sweep rect { fill: rgba(150,185,255,.5); }
.art__sweep { animation: art-sweep 3.4s ease-in-out infinite; }
.art__scan rect { fill: rgba(150,185,255,.45); }
.art__scan { animation: art-scan 3.6s ease-in-out infinite; }

@keyframes art-flow { from { stroke-dashoffset: 100; } to { stroke-dashoffset: 0; } }
@keyframes art-ring { from { stroke-dashoffset: 0; } to { stroke-dashoffset: -100; } }
@keyframes art-wave { from { stroke-dashoffset: 0; } to { stroke-dashoffset: -28; } }
@keyframes art-bars { 0%, 100% { transform: scaleY(.34); } 50% { transform: scaleY(1); } }
@keyframes art-led { 0%, 100% { opacity: .2; } 45% { opacity: 1; } }
@keyframes art-halo { 0%, 100% { transform: scale(.82); opacity: .22; } 50% { transform: scale(1.12); opacity: .7; } }
@keyframes art-core { 0%, 100% { transform: scale(.9); opacity: .78; } 50% { transform: scale(1.06); opacity: 1; } }
@keyframes art-sweep {
  0%, 100% { transform: translateX(0); opacity: 0; }
  12%, 88% { opacity: 1; }
  50% { transform: translateX(284px); }
}
@keyframes art-scan {
  0%, 100% { transform: translateY(0); opacity: 0; }
  15%, 85% { opacity: 1; }
  50% { transform: translateY(72px); }
}
@media (prefers-reduced-motion: reduce) {
  .card__art * { animation: none !important; }
  .art__leds rect { opacity: .5; }
  .art__sweep, .art__scan { opacity: 0; }
}

.section--dark .card, .section--dark2 .card {
  background: linear-gradient(165deg, rgba(255,255,255,.055), rgba(255,255,255,.012));
  border-color: var(--line-dark); box-shadow: none;
}
.section--dark .card:hover, .section--dark2 .card:hover { border-color: rgba(120,170,255,.4); background: linear-gradient(165deg, rgba(255,255,255,.085), rgba(255,255,255,.02)); }
.section--dark .card__d, .section--dark2 .card__d { color: var(--on-dark-mut); }
.section--dark .card__no, .section--dark2 .card__no { color: var(--accent-2); }

/* 图标块 */
.ico {
  width: 46px; height: 46px; margin-bottom: 18px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(140deg, rgba(51,77,188,.14), rgba(91,140,255,.10));
  color: var(--accent);
}
.section--dark .ico, .section--dark2 .ico { background: linear-gradient(140deg, rgba(91,140,255,.16), rgba(51,77,188,.10)); color: var(--accent-2); }
.ico svg { width: 24px; height: 24px; }

/* ------------------------------------------------------ 主推产品（详情） */
.feat { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.fprod {
  display: flex; flex-direction: column;
  border: 1px solid var(--line-light); border-radius: var(--radius-lg); overflow: hidden; background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.fprod:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #c3d7f0; }
.fprod__media { position: relative; padding: 16px;
  background: linear-gradient(160deg, var(--paper-2), #fff);
  border-bottom: 1px solid var(--line-light); }
.fprod__media img { width: 100%; height: 216px; object-fit: contain; }
.fprod__body { padding: 24px 26px 26px; display: flex; flex-direction: column; flex: 1; }
.fprod__model { font-family: var(--font-num); font-size: 12.5px; font-weight: 700; letter-spacing: .1em;
  color: var(--accent); margin-bottom: 8px; }
.fprod__t { font-size: 19px; margin-bottom: 10px; }
.fprod__d { font-size: 14px; line-height: 1.8; color: var(--on-light-mut); }
.fprod__specs { margin-top: 18px; border-top: 1px solid var(--line-light); }
.specrow { display: grid; grid-template-columns: 168px 1fr; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--line-light); font-size: 14px; }
.fprod .specrow { grid-template-columns: 104px 1fr; gap: 12px; padding: 8px 0; font-size: 13.5px; }
.specrow dt { color: var(--on-light-mut); }
.specrow dd { margin: 0; font-family: var(--font-num); font-weight: 600; color: var(--on-light); }
.specs-label { display: inline-block; margin-top: 26px; margin-bottom: 6px;
  font-family: var(--font-num); font-size: 11px; font-weight: 700; letter-spacing: .16em;
  text-transform: uppercase; color: var(--on-light-mut); }
.fprod .specs-label { margin-top: 22px; margin-bottom: 4px; }
.fprod__cta { margin-top: 20px; align-self: flex-start; display: inline-flex; align-items: center; gap: 7px;
  font-size: 13.5px; font-weight: 600; color: var(--accent); }
.fprod__cta:hover { text-decoration: underline; }

/* ---------------------------------------------------------------- 表格 */
.filterbar {
  display: flex; flex-wrap: wrap; gap: 22px; align-items: flex-end; justify-content: space-between;
  padding: 20px 22px; margin-bottom: 20px;
  border: 1px solid var(--line-light); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-sm);
}
.fgroup { display: flex; flex-direction: column; gap: 9px; }
.fgroup__l { font-size: 12px; font-weight: 600; color: var(--on-light-mut); letter-spacing: .05em; }
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  padding: 6px 13px; border: 1px solid var(--line-light); border-radius: 999px; background: #fff;
  font-size: 13px; color: var(--on-light-mut); transition: all .18s ease;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.is-on { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.fsearch { position: relative; }
.fsearch input {
  width: 260px; height: 42px; padding: 0 14px 0 38px;
  border: 1px solid var(--line-light); border-radius: var(--radius-sm); background: #fff;
  font-family: var(--font-num); font-size: 14px; color: var(--on-light);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.fsearch input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(51,77,188,.14); }
.fsearch svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%);
  width: 16px; height: 16px; color: var(--on-light-mut); pointer-events: none; }

.tblmeta { display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin-bottom: 12px; font-size: 14px; color: var(--on-light-mut); }
.tblmeta b { font-family: var(--font-num); color: var(--on-light); font-size: 16px; }

.tblwrap { border: 1px solid var(--line-light); border-radius: var(--radius); background: #fff;
  overflow: auto; box-shadow: var(--shadow-sm); }
table.tbl { width: 100%; border-collapse: collapse; min-width: 780px; }
table.tbl th, table.tbl td { padding: 14px 20px; text-align: left; border-bottom: 1px solid var(--line-light); }
table.tbl thead th {
  position: sticky; top: 0; z-index: 2;
  background: var(--paper-2); font-size: 12.5px; font-weight: 600; color: var(--on-light-mut);
  letter-spacing: .05em; white-space: nowrap;
}
table.tbl tbody tr { transition: background .16s ease; }
table.tbl tbody tr:hover { background: #f7faff; }
table.tbl tbody tr:last-child td { border-bottom: none; }
table.tbl .m { font-family: var(--font-num); font-weight: 600; font-size: 14.5px; letter-spacing: .01em; }
table.tbl .f { font-family: var(--font-num); font-size: 14px; white-space: nowrap; }
table.tbl .p { font-family: var(--font-num); font-weight: 600; font-size: 14px; white-space: nowrap; }
table.tbl .p .u { font-weight: 400; color: var(--on-light-mut); }
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px;
  background: rgba(51,77,188,.09); color: var(--accent-dim); white-space: nowrap; }
.badge--o { background: var(--accent); color: #fff; }
.badge--g { background: rgba(15,26,43,.07); color: var(--on-light-mut); }
table.tbl .nt { font-size: 13.5px; color: var(--on-light-mut); }
table.tbl .ntline { display: block; margin-top: 5px; font-family: var(--font-cn);
  font-size: 12.5px; font-weight: 400; color: var(--on-light-mut); white-space: normal; line-height: 1.6; }
.tbl-empty { padding: 56px 24px; text-align: center; color: var(--on-light-mut); }

.tblnote { margin-top: 16px; font-size: 13.5px; color: var(--on-light-mut); }

/* ---------------------------------------------------------------- 曲线 */
.charts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.chart { border: 1px solid var(--line-dark); border-radius: var(--radius); overflow: hidden;
  background: rgba(255,255,255,.03); transition: border-color .25s ease, transform .25s ease; }
.chart:hover { border-color: rgba(120,170,255,.42); transform: translateY(-3px); }
.chart img { width: 100%; background: #fff; }
.chart__cap { padding: 14px 18px; font-size: 13.5px; color: var(--on-dark-mut); }

/* ---------------------------------------------------------------- 应用 */
.appgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.app {
  position: relative; display: flex; flex-direction: column; border-radius: var(--radius);
  border: 1px solid var(--line-light); background: #fff; box-shadow: var(--shadow-sm); overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.app__media { position: relative; aspect-ratio: 16 / 11; min-height: 0; flex: 0 0 auto;
  background: var(--paper-2); overflow: hidden; }
.app__media img { width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s cubic-bezier(.16,1,.3,1); }
.app:hover .app__media img { transform: scale(1.045); }
.app__body { padding: 22px 22px 24px; flex: 1; }
.app::after { content: ""; position: absolute; right: -40px; bottom: -40px; width: 120px; height: 120px;
  border-radius: 50%; background: radial-gradient(circle, rgba(51,77,188,.12), transparent 70%);
  opacity: 0; transition: opacity .3s ease; }
.app:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #c3d7f0; }
.app:hover::after { opacity: 1; }
.app__sub { font-family: var(--font-num); font-size: 10.5px; font-weight: 700; letter-spacing: .13em;
  color: var(--accent); margin-bottom: 9px; }
.app__t { font-size: 17.5px; margin-bottom: 10px; }
.app__d { font-size: 14px; line-height: 1.8; color: var(--on-light-mut); }

/* -------------------------------------------------------------- 时间线 */
.timeline { position: relative; margin-top: 8px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px;
  background: linear-gradient(180deg, var(--accent), rgba(91,140,255,.15)); border-radius: 2px; }
.tl { position: relative; padding: 0 0 30px 40px; }
.tl:last-child { padding-bottom: 0; }
.tl::before { content: ""; position: absolute; left: 0; top: 7px; width: 16px; height: 16px;
  border-radius: 50%; background: var(--ink-2); border: 2px solid var(--accent); }
.tl:first-child::before { background: var(--accent); }
.tl__t { font-size: 17px; margin-bottom: 6px; }
.tl__d { font-size: 14.5px; line-height: 1.8; color: var(--on-dark-mut); }

/* --------------------------------------------------------- 简介正文 */
.prose { max-width: 900px; }
.prose p { margin-bottom: 18px; font-size: 15.5px; line-height: 1.95; color: var(--on-light-mut); }
.prose p:last-child { margin-bottom: 0; }
.prose strong { color: var(--on-light); font-weight: 600; }

/* ------------------------------------------------------------ 联系页 */
.contact-solo { max-width: 860px; margin: 0 auto; }
.info { border: 1px solid var(--line-light); border-radius: var(--radius-lg); background: #fff;
  padding: 32px; box-shadow: var(--shadow-sm); }
.info__row { display: grid; grid-template-columns: 92px 1fr; gap: 14px; padding: 15px 0;
  border-bottom: 1px solid var(--line-light); align-items: baseline; }
.info__row:last-child { border-bottom: none; }
.info__k { font-size: 13.5px; color: var(--on-light-mut); }
.info__v { font-size: 15.5px; font-weight: 500; word-break: break-word; }
.info__v a:hover { color: var(--accent); }
.info__v.tel { font-family: var(--font-num); font-size: 21px; font-weight: 700; letter-spacing: .02em; }
.info__v.addr { line-height: 1.75; font-weight: 400; }
.mapbtn { display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; color: var(--accent); font-size: 13.5px; font-weight: 600; }
.mapbtn:hover { text-decoration: underline; }


/* ---------------------------------------------------------------- CTA */
.ctaband {
  position: relative; padding: 84px 0; color: var(--on-dark); overflow: hidden;
  background: var(--ink) url("../img/bg/band-network.jpg") center 58% / cover no-repeat;
}
.ctaband::before { content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(8,21,62,.94) 0%, rgba(24,50,124,.84) 55%, rgba(8,21,62,.78) 100%); }
.ctaband__in { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 32px;
  align-items: center; justify-content: space-between; }
.ctaband h2 { font-size: clamp(24px, 3vw, 34px); }
.ctaband p { margin-top: 12px; color: var(--on-dark-mut); max-width: 620px; }
.ctaband .btn-row { margin-top: 0; }

/* ---------------------------------------------------------------- Footer */
.ftr { background: #06133a; color: var(--on-dark-mut); padding: 68px 0 30px; font-size: 14px; }
.ftr__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.25fr; gap: 44px; }
.ftr__brand { display: flex; align-items: center; gap: 11px; margin-bottom: 16px; }
.ftr__brand .logo__mark { width: 34px; height: 34px; }
.ftr__brand .logo__name, body.lang-en .ftr__brand .logo__name { font-size: 17px; color: #fff; }
.ftr__about { line-height: 1.85; max-width: 330px; }
.ftr h4 { font-size: 13px; font-weight: 600; color: #fff; letter-spacing: .1em;
  text-transform: uppercase; margin-bottom: 18px; font-family: var(--font-num); }
.ftr li { margin-bottom: 11px; }
.ftr a:hover { color: var(--accent-2); }
.ftr__addr { line-height: 1.85; }
.ftr__tel { font-family: var(--font-num); font-size: 20px; font-weight: 700; color: #fff; }
.ftr__bottom { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between;
  margin-top: 52px; padding-top: 24px; border-top: 1px solid var(--line-dark-2); font-size: 13px; }
.ftr__legal { margin-top: 12px; font-size: 13px; }
.ftr__legal a { color: inherit; }

/* ------------------------------------------------------------ 滚动动效 */
.reveal { opacity: 0; transform: translateY(20px);
  transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .btn:hover, .card:hover, .app:hover, .chart:hover { transform: none; }
}

/* ---------------------------------------------------------------- 响应式 */
/* 头部在窄屏逐级收缩（≤1248px 收字号，≤900px 收进汉堡 + 抽屉导航） */
@media (max-width: 1248px) {
  :root { --hdr-h: 68px; }
  .hdr__in { gap: 16px; }
  .logo__mark { width: 32px; height: 32px; }
  .logo__name { font-size: 16px; }
  .nav > a { padding: 7px 10px; font-size: 14px; }
  .nav > a.is-active::after { left: 10px; right: 10px; }
}

@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .appgrid { grid-template-columns: repeat(2, 1fr); }
  .feat { grid-template-columns: 1fr; }
  .charts { grid-template-columns: 1fr; }
  .ftr__grid { grid-template-columns: 1fr 1fr; gap: 34px; }
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__panel { max-width: 520px; }
  .grid-3 { grid-template-columns: 1fr; }

  /* 头部：公司全称 + 汉堡，导航收进抽屉 */
  :root { --hdr-h: 58px; }
  .hdr__in { gap: 12px; }
  .logo { gap: 10px; }
  .logo__mark { width: 30px; height: 30px; }
  .logo__name { font-size: clamp(13px, 4vw, 17px); white-space: normal; overflow: visible; }
  .logo__sub { display: none; }

  .burger { display: block; margin-left: auto; }
  .navwrap {
    position: fixed; top: var(--hdr-h); left: 0; right: 0; margin: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 10px 18px 22px; background: #08153e;
    border-bottom: 1px solid var(--line-dark);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity .22s ease, transform .22s ease;
    max-height: calc(100vh - var(--hdr-h)); overflow: auto;
  }
  body.nav-open .navwrap { opacity: 1; transform: none; pointer-events: auto; }
  .nav { flex-direction: column; align-items: stretch; gap: 0; }
  .nav > a { padding: 15px 6px; border-radius: 0; border-bottom: 1px solid var(--line-dark-2);
    font-size: 16px; }
  .nav > a.is-active::after { display: none; }
  .nav > a.is-active { color: var(--accent-2); }
  .navwrap .langsw { margin-top: 18px; align-self: flex-start; }
  .hdr__side .btn { display: none; }
}

@media (max-width: 760px) {
  .section { padding: 56px 0; }
  .hero { padding: calc(var(--hdr-h) + 52px) 0 58px; }
  .phero { padding: calc(var(--hdr-h) + 40px) 0 46px; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .grid-4, .grid-2, .appgrid { grid-template-columns: 1fr; }
  .specrow { grid-template-columns: 1fr; gap: 3px; }
  .ftr__grid { grid-template-columns: 1fr; }
  .ctaband__in { flex-direction: column; align-items: flex-start; }
  .filterbar { padding: 16px; }
  .fsearch input { width: 100%; }
  .fsearch { width: 100%; }
  .info { padding: 24px 20px; }
  .info__row { grid-template-columns: 1fr; gap: 3px; }
  .hero__kv { grid-template-columns: 1fr 1fr; }
}

/* ------------------------------------------------------- 型号速览（首页） */
.pv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-light);
  border: 1px solid var(--line-light); border-radius: var(--radius); overflow: hidden; }
.pv__row { background: #fff; padding: 18px 22px; display: flex; flex-direction: column; gap: 4px;
  transition: background .18s ease; }
.pv__row:hover { background: #f7faff; }
.pv__m { font-family: var(--font-num); font-weight: 600; font-size: 14.5px; }
.pv__f { font-family: var(--font-num); font-size: 13px; color: var(--on-light-mut); }
.pv__p { font-family: var(--font-num); font-size: 13px; font-weight: 700; color: var(--accent); }

@media (max-width: 1080px) { .pv { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) { .pv { grid-template-columns: 1fr; } }
/* ------------------------------------------- 研发与制造：生产 / 调试（V4） */
.facareas { display: flex; flex-direction: column; gap: 24px; }
.facarea {
  overflow: hidden; background: #fff; border: 1px solid var(--line-light);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  transition: box-shadow .25s ease, border-color .25s ease;
}
.facarea:hover { box-shadow: var(--shadow-md); border-color: #c3d7f0; }
.facarea__top { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); }
.facarea__media { position: relative; min-height: 300px; background: var(--paper-3); }
.facarea__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.facarea__body { padding: 34px 40px; display: flex; flex-direction: column; }
.facarea__head { display: flex; align-items: center; gap: 11px; margin-bottom: 12px; }
.facarea__no {
  flex: 0 0 auto; width: 30px; height: 30px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-num); font-size: 14px; font-weight: 700;
  color: #fff; background: var(--accent);
}
.facarea__code { font-family: var(--font-num); font-size: 11px; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase; color: var(--accent); }
.facarea__t { font-size: clamp(19px, 1.8vw, 23px); }
.facarea__s { margin-top: 9px; font-size: 14px; line-height: 1.75; color: var(--on-light-mut); }
.facarea__list { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }
.facarea__list li { position: relative; padding-left: 20px; font-size: 14.5px; line-height: 1.7; }
.facarea__list li::before { content: ""; position: absolute; left: 0; top: .6em;
  width: 7px; height: 7px; border-radius: 2px; background: var(--accent-2); }

/* 设备清单：图片 + 名称 */
.facarea__eq { padding: 26px 40px 32px; border-top: 1px solid var(--line-light);
  background: var(--paper-2); }
.facarea__eql { font-family: var(--font-num); font-size: 11px; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase; color: var(--on-light-mut); margin-bottom: 16px; }
.eqgrid { display: grid; grid-template-columns: repeat(var(--cols, 5), minmax(0, 1fr));
  gap: 16px; grid-auto-rows: 1fr; }
.eq { margin: 0; display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--line-light); border-radius: var(--radius-sm); overflow: hidden;
  transition: border-color .22s ease, box-shadow .22s ease, transform .22s ease; }
.eq:hover { border-color: #c3d7f0; box-shadow: var(--shadow-md); transform: translateY(-3px); }
.eq__media { position: relative; width: 100%; aspect-ratio: 4 / 3; background: #fff;
  border-bottom: 1px solid var(--line-light); }
.eq__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.eq__t { flex: 1 1 auto; display: flex; align-items: center; justify-content: center;
  padding: 11px 12px 13px; font-size: 13px; line-height: 1.5; text-align: center; }

@media (max-width: 1080px) {
  .facarea__top { grid-template-columns: 1fr; }
  .facarea__media { min-height: 0; aspect-ratio: 16 / 10; }
  .facarea__body { padding: 26px 24px; }
  .facarea__eq { padding: 22px 24px 26px; }
  .eqgrid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .eqgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
}

/* ============================================================ V3 新组件
   版式参考公司阿里巴巴国际站：蓝底分类条 + 橙色加号、数据条、
   资质证书、产品实拍一览、系列聚焦条。
   ======================================================================== */

/* ------------------------------------------------ 产品分类九宫格 */
.catgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.cat {
  display: flex; flex-direction: column; overflow: hidden;
  border: 1px solid var(--paper-3); border-radius: var(--radius); background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.cat:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.cat__media { position: relative; aspect-ratio: 16 / 10; min-height: 0; flex: 0 0 auto; }
.cat__media img { position: absolute; inset: 14px; width: calc(100% - 28px); height: calc(100% - 28px);
  object-fit: contain; }
.cat__bar { display: flex; align-items: stretch; background: var(--accent); color: #fff; }
.cat__t { flex: 1 1 auto; min-width: 0; align-self: center; padding: 15px 6px 15px 18px;
  font-size: 15.5px; font-weight: 600; }
.cat__n { flex: 0 0 auto; white-space: nowrap; padding-right: 10px; align-self: center;
  font-family: var(--font-num); font-size: 12px; color: rgba(255,255,255,.72); }
.cat__plus {
  flex: 0 0 auto; width: 52px; display: flex; align-items: center; justify-content: center;
  background: var(--accent-2); color: #fff;
  font-family: var(--font-num); font-size: 21px; font-weight: 700; line-height: 1;
  transition: background .22s ease;
}
.cat:hover .cat__plus { background: var(--accent-3); }

/* ------------------------------------------------ 公司数据条 */
.statswrap { background: var(--accent); color: #fff; padding: 36px 0; }
.statsband { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat { text-align: center; padding: 4px 14px; }
.stat + .stat { border-left: 1px solid rgba(255,255,255,.22); }
.stat__n { font-family: var(--font-num); font-size: clamp(28px, 3.4vw, 42px); font-weight: 700; line-height: 1.1; }
.stat__n em { font-style: normal; font-size: .48em; font-weight: 600; margin-left: 2px; }
.stat__l { margin-top: 7px; font-size: 13.5px; color: rgba(255,255,255,.84); }

/* ------------------------------------------------ 公司概况卡 */
.profcard {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  overflow: hidden; background: #fff; border: 1px solid var(--line-light);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
}
.profcard__photo { margin: 0; }
.profcard__photo img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; }
.profcard__body { padding: 44px 40px; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 24px; }
.profcard__d { font-size: 15.5px; line-height: 2; color: var(--on-light-mut); }

/* ------------------------------------------------ 办公室 / 产线大图 */
.office { margin: 0 0 34px; overflow: hidden; background: #fff; border: 1px solid var(--line-light);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.office img { width: 100%; height: 320px; object-fit: cover; }
.office figcaption { padding: 16px 24px 18px; }
.office__t { font-size: 16px; font-weight: 600; }
.office__d { margin-top: 4px; font-size: 13.5px; color: var(--on-light-mut); }

/* ------------------------------------------------ 资质证书 */
.certgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 22px; }
.cert { margin: 0; display: flex; flex-direction: column; background: #fff; overflow: hidden;
  border: 1px solid var(--line-light); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.cert__media { padding: 20px; display: flex; align-items: center; justify-content: center;
  background: var(--paper-2); border-bottom: 1px solid var(--line-light); }
.cert__media img { max-height: 290px; width: auto; max-width: 100%; object-fit: contain;
  box-shadow: 0 4px 16px rgba(20,40,90,.16); }
.cert figcaption { padding: 20px 22px 22px; }
.cert__tag { font-family: var(--font-num); font-size: 11px; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 9px; }
.cert__t { font-size: 16.5px; font-weight: 600; margin-bottom: 8px; }
.cert__d { font-size: 13.5px; line-height: 1.8; color: var(--on-light-mut); }

/* ------------------------------------------------ 产品实拍一览 */
.showgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(196px, 1fr)); gap: 22px 18px; }
.show { display: flex; flex-direction: column; align-items: center; text-align: center; }
.show__media { position: relative; width: 100%; aspect-ratio: 4 / 3; min-height: 0; flex: 0 0 auto;
  background: #fff; border-radius: var(--radius-sm);
  transition: transform .3s cubic-bezier(.16,1,.3,1); }
.show:hover .show__media { transform: translateY(-5px); }
.show__media img { position: absolute; inset: 10px; width: calc(100% - 20px);
  height: calc(100% - 20px); object-fit: contain; }
.show__t { position: relative; margin-top: 13px; padding: 0 15px; font-size: 13.5px;
  font-weight: 600; line-height: 1.5; color: var(--on-light);
  min-height: 41px; display: flex; align-items: center; justify-content: center; }
.show__t::before, .show__t::after {
  content: ""; position: absolute; top: 2px; bottom: 2px; width: 8px; border: 2px solid var(--accent);
}
.show__t::before { left: 0; border-right: 0; }
.show__t::after { right: 0; border-left: 0; }
.show__more { margin-top: 9px; padding: 3px 15px; border-radius: 999px; font-size: 12px; font-weight: 600;
  color: #fff; background: var(--accent); transition: background .22s ease; }
.show:hover .show__more { background: var(--accent-dim); }

/* ------------------------------------------------ 系列聚焦条 */
.spt { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); overflow: hidden;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-md); margin-bottom: 26px; }
.spt:last-child { margin-bottom: 0; }
.spt__card { padding: 46px 48px; display: flex; flex-direction: column; align-items: flex-start;
  background: var(--accent); color: #fff; }
.spt__code { font-family: var(--font-num); font-size: 11.5px; font-weight: 700; letter-spacing: .2em;
  color: rgba(255,255,255,.62); margin-bottom: 12px; }
.spt__t { font-size: clamp(24px, 2.5vw, 32px); }
.spt__s { margin-top: 12px; font-size: 14.5px; line-height: 1.7; color: rgba(255,255,255,.84); }
.spt__list { margin-top: 24px; display: flex; flex-direction: column; gap: 13px; }
.spt__list li { position: relative; padding-left: 23px; font-size: 15px; line-height: 1.65; }
.spt__list li::before { content: ""; position: absolute; left: 0; top: .52em; width: 0; height: 0;
  border-left: 9px solid var(--accent-2); border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
.spt .btn { margin-top: 30px; }
.spt__media { display: flex; align-items: center; justify-content: center; padding: 36px; background: #fff; }
.spt__media img { max-width: 100%; max-height: 300px; object-fit: contain; }

/* ------------------------------------------------ 响应式 */
@media (max-width: 1080px) {
  .catgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .certgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .spt__card { padding: 36px 34px; }
  .profcard__body { padding: 34px 30px; }
}

@media (max-width: 900px) {
  .profcard { grid-template-columns: 1fr; }
  .profcard__photo img { min-height: 240px; }
  .spt { grid-template-columns: 1fr; }
  .spt__media { order: -1; padding: 26px; }
  .spt__media img { max-height: 220px; }
  .statsband { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 0; }
  .stat:nth-child(3) { border-left: 0; }
}

@media (max-width: 760px) {
  .catgrid, .certgrid { grid-template-columns: 1fr; }
  .office img { height: 220px; }
  .spt__card { padding: 30px 24px; }
  .showgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ============================================================ V4.3 产品中心
   八大分类卡 + 产品实拍图录 + 全部货架型号表（数据源：产品资料库）
   ======================================================================== */

/* ------------------------------------------------ 筛选条（竖排，四组条件） */
.filterbar { flex-direction: column; align-items: stretch; gap: 15px; }
.filterbar .fgroup { flex-direction: row; align-items: flex-start; gap: 14px; }
.filterbar .fgroup__l { flex: 0 0 62px; padding-top: 7px; }
.filterbar .fgroup .chips { flex: 1 1 auto; min-width: 0; }
.filterbar .fgroup:last-child { border-top: 1px solid var(--line-light); padding-top: 15px; }
.filterbar .fsearch { flex: 1 1 auto; }
.filterbar .fsearch input { width: 100%; max-width: 420px; }

/* ------------------------------------------------ 八大产品分类卡 */
.lcatgrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.lcat { display: flex; flex-direction: column; overflow: hidden; background: #fff;
  border: 1px solid var(--paper-3); border-radius: var(--radius); box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.lcat:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.lcat__media { position: relative; aspect-ratio: 16 / 10;
  background: linear-gradient(150deg, var(--paper-2), #fff); border-bottom: 1px solid var(--line-light); }
.lcat__media img { position: absolute; inset: 16px; width: calc(100% - 32px);
  height: calc(100% - 32px); object-fit: contain; }
.lcat__ph, .cat__ph { position: absolute; inset: 0; z-index: 0; display: flex; align-items: center;
  justify-content: center; font-family: var(--font-num); font-size: 32px; font-weight: 700;
  color: rgba(51,77,188,.34); letter-spacing: .06em;
  background: linear-gradient(150deg, rgba(91,140,255,.12), rgba(51,77,188,.04) 58%, rgba(255,255,255,0)); }
.lcat__ph::before, .cat__ph::before { content: ""; position: absolute; z-index: -1; top: 50%; left: 50%;
  width: 92px; height: 92px; margin: -46px 0 0 -46px; border-radius: 30px;
  background: rgba(255,255,255,.78); border: 1px solid rgba(51,77,188,.15);
  box-shadow: 0 8px 22px rgba(51,77,188,.09); }
.cat__ph { font-size: 28px; }
.cat__ph::before { width: 78px; height: 78px; margin: -39px 0 0 -39px; border-radius: 26px; }
.lcat__body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.lcat__top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 9px; }
.lcat__code { font-family: var(--font-num); font-size: 11px; font-weight: 700; letter-spacing: .16em;
  text-transform: uppercase; color: var(--accent); }
.lcat__n { flex: 0 0 auto; padding: 3px 10px; border-radius: 999px; white-space: nowrap;
  font-family: var(--font-num); font-size: 12.5px; font-weight: 700;
  color: var(--accent-dim); background: rgba(51,77,188,.09); }
.lcat__t { font-size: 17.5px; margin-bottom: 8px; }
.lcat__d { flex: 1; font-size: 13.5px; line-height: 1.75; color: var(--on-light-mut); }
.lcat__meta { margin-top: 14px; padding-top: 13px; border-top: 1px solid var(--line-light);
  display: flex; flex-direction: column; gap: 6px;
  font-family: var(--font-num); font-size: 12.5px; color: var(--on-light); }
.lcat__meta b { display: inline-block; min-width: 42px; margin-right: 8px; font-weight: 400;
  color: var(--on-light-mut); }

/* ------------------------------------------------ 产品实拍图录 */
.pgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 22px; }
.pcard { display: flex; flex-direction: column; overflow: hidden; background: #fff;
  border: 1px solid var(--line-light); border-radius: var(--radius); box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.pcard:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #c3d7f0; }
.pcard__media { position: relative; aspect-ratio: 4 / 3;
  background: linear-gradient(160deg, var(--paper-2), #fff); border-bottom: 1px solid var(--line-light); }
.pcard__media img { position: absolute; inset: 14px; width: calc(100% - 28px);
  height: calc(100% - 28px); object-fit: contain; }
.pcard__code { position: absolute; left: 12px; bottom: 10px; padding: 3px 9px; border-radius: 999px;
  font-family: var(--font-num); font-size: 11.5px; font-weight: 700; letter-spacing: .03em;
  color: #fff; background: rgba(10,26,74,.78); }
.pcard__body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.pcard__t { font-size: 15px; line-height: 1.55; margin-bottom: 10px; }
.pcard__meta { display: flex; flex-direction: column; gap: 5px;
  font-family: var(--font-num); font-size: 13px; font-weight: 600; color: var(--on-light); }
.pcard__meta b { display: inline-block; min-width: 42px; margin-right: 8px; font-weight: 400;
  color: var(--on-light-mut); }
.pcard__feats { flex: 1; margin-top: 12px; display: flex; flex-direction: column; gap: 6px; }
.pcard__feats li { position: relative; padding-left: 14px; font-size: 12.5px; line-height: 1.6;
  color: var(--on-light-mut); }
.pcard__feats li::before { content: ""; position: absolute; left: 0; top: .58em;
  width: 5px; height: 5px; border-radius: 50%; background: var(--accent-2); }
.pcard__cta { margin-top: 14px; display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; color: var(--accent); }
.pcard__cta:hover { text-decoration: underline; }

/* ------------------------------------------------ 货架表 / 型号速览补充 */
table.tbl { min-width: 1020px; }
table.tbl .n { font-size: 14px; font-weight: 600; }
table.tbl .s { font-size: 13px; color: var(--on-light-mut); white-space: nowrap; }
table.tbl .s--none { color: rgba(90, 107, 133, .42); }
table.tbl .m--custom { color: var(--accent-dim); }
.filterbar .fgroup[hidden] { display: none; }
.pv__n { display: block; margin-top: 2px; font-family: var(--font-cn); font-size: 12.5px;
  font-weight: 400; color: var(--on-light-mut); }

@media (max-width: 1080px) {
  .lcatgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .lcatgrid { grid-template-columns: 1fr; }
  .pgrid { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 16px; }
  .filterbar .fgroup { flex-direction: column; gap: 8px; }
  .filterbar .fgroup__l { padding-top: 0; }
}