/* ==========================================================================
   厦门硕科电子有限公司 · 企业官网
   Design: Sinocon 橙色工业风 / 版式逻辑参考 hyk58
   ========================================================================== */

/* ---------- 1. Reset & Tokens ---------- */
*, *::before, *::after { box-sizing: border-box; }

:root {
  /* 主色 */
  --blue-900: #2a1408;
  --blue-800: #4a2510;
  --blue-700: #a8531a;
  --blue-600: #ef7f2d;   /* 品牌主色 Sinocon Orange */
  --blue-500: #f59348;
  --blue-400: #f9a96b;
  --blue-100: #fdeee1;
  --blue-50:  #fef8f3;

  /* 辅助 */
  --cyan: #d96a12;
  --cyan-soft: #fff1e5;

  /* 中性 */
  --ink:      #241a12;
  --ink-2:    #4a3d32;
  --ink-3:    #7a6a5c;
  --ink-4:    #a8998a;
  --line:     #ece5dc;
  --line-2:   #f4efe8;
  --bg:       #ffffff;
  --bg-soft:  #faf7f3;
  --bg-dark:  #1a1208;

  /* 字体 */
  --ff: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC",
        system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --ff-en: "Barlow", "DIN Alternate", "Helvetica Neue", Arial, sans-serif;

  /* 尺寸 */
  --wrap: 1200px;
  --h-top: 38px;
  --h-nav: 78px;
  --r-sm: 4px;
  --r: 8px;
  --r-lg: 14px;

  /* 阴影 */
  --sh-xs: 0 1px 2px rgba(74, 45, 20, .05);
  --sh-sm: 0 2px 10px rgba(74, 45, 20, .06);
  --sh-md: 0 10px 30px rgba(74, 45, 20, .09);
  --sh-lg: 0 22px 60px rgba(74, 45, 20, .14);

  --ease: cubic-bezier(.25, .8, .3, 1);
}

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

body {
  margin: 0;
  font-family: var(--ff);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; color: var(--ink); font-weight: 700; line-height: 1.3; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }
::selection { background: var(--blue-600); color: #fff; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- 2. 通用区块标题 ---------- */
.sec { padding: 92px 0; }
.sec--soft { background: var(--bg-soft); }
.sec--tight { padding: 74px 0; }

.sec-head { margin-bottom: 52px; }
.sec-head--center { text-align: center; }

.sec-en {
  display: block;
  font-family: var(--ff-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--blue-400);
  margin-bottom: 12px;
}
.sec-cn {
  font-size: 32px;
  letter-spacing: .04em;
  color: var(--ink);
  font-weight: 700;
}
.sec-cn em {
  font-style: normal;
  color: var(--blue-600);
}
/* 英文标题：原文靠 <em> 分色不带空格，英文需补一个词间距 */
html[lang="en"] .sec-cn em { margin-left: .26em; }
.sec-line {
  width: 44px; height: 3px;
  background: var(--blue-600);
  border-radius: 2px;
  margin-top: 18px;
  position: relative;
}
.sec-line::after {
  content: "";
  position: absolute; left: 52px; top: 1px;
  width: 6px; height: 1px; background: var(--line);
}
.sec-head--center .sec-line { margin-left: auto; margin-right: auto; }
.sec-head--center .sec-line::after { display: none; }

.sec-desc {
  margin-top: 16px;
  color: var(--ink-3);
  font-size: 15px;
  max-width: 640px;
}
.sec-head--center .sec-desc { margin-left: auto; margin-right: auto; }

/* ---------- 3. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 48px;
  padding: 0 28px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .04em;
  border-radius: var(--r-sm);
  transition: all .3s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn--primary {
  background: var(--blue-600);
  color: #fff;
  box-shadow: 0 8px 22px rgba(239, 127, 45, .26);
}
.btn--primary:hover {
  background: var(--blue-700);
  box-shadow: 0 12px 30px rgba(239, 127, 45, .34);
  transform: translateY(-2px);
}
.btn--ghost {
  border: 1px solid rgba(255, 255, 255, .42);
  color: #fff;
  backdrop-filter: blur(2px);
}
.btn--ghost:hover { background: rgba(255, 255, 255, .14); border-color: #fff; }

.btn--line {
  border: 1px solid var(--line);
  color: var(--ink-2);
  background: #fff;
}
.btn--line:hover { border-color: var(--blue-600); color: var(--blue-600); }

.btn--sm { height: 42px; padding: 0 22px; font-size: 14px; }

/* 文字链接 */
.link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-600);
  letter-spacing: .04em;
}
.link-more svg { width: 14px; height: 14px; transition: transform .3s var(--ease); }
.link-more:hover svg { transform: translateX(5px); }
.link-more:hover { color: var(--blue-800); }

/* ==========================================================================
   4. 顶部工具条
   ========================================================================== */
.topbar {
  height: var(--h-top);
  background: var(--blue-900);
  color: rgba(255, 255, 255, .72);
  font-size: 12.5px;
  letter-spacing: .02em;
}
.topbar .wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.topbar-l {
  display: flex; align-items: center; gap: 9px;
  white-space: nowrap; overflow: hidden;
}
.topbar-l svg { width: 13px; height: 13px; opacity: .55; flex: 0 0 auto; }
.topbar-r { display: flex; align-items: center; gap: 26px; }
.topbar-r a { display: flex; align-items: center; gap: 7px; white-space: nowrap; }
.topbar-r a:hover { color: #fff; }
.topbar-r svg { width: 13px; height: 13px; opacity: .6; }
.topbar-r a:hover svg { opacity: 1; }

/* 语言切换（顶栏 / 抽屉） */
.topbar .lang-switch {
  display: inline-flex; align-items: center; gap: 2px;
  padding-left: 16px;
  border-left: 1px solid rgba(255, 255, 255, .16);
}
.topbar .lang-switch a {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 30px; height: 20px; padding: 0 7px;
  border-radius: 3px;
  font-size: 11.5px; line-height: 1; letter-spacing: .04em;
  color: rgba(255, 255, 255, .6);
  transition: color .25s var(--ease), background-color .25s var(--ease);
}
.topbar .lang-switch a:hover { color: #fff; background: rgba(255, 255, 255, .14); }
.topbar .lang-switch a.is-on {
  color: #fff; font-weight: 600;
  background: rgba(255, 255, 255, .18);
}

.drawer .lang-switch--drawer {
  display: flex; gap: 10px;
  padding: 0; margin: 2px 0 6px;
  border: 0;
}
.drawer .lang-switch--drawer a {
  flex: 1;
  min-width: 0;
  display: inline-flex; align-items: center; justify-content: center;
  height: 40px; padding: 0;
  font-size: 14px; font-weight: 500;
  color: var(--ink-2);
  background: #f3f4f6;
  border: 1px solid transparent;
  border-radius: 6px;
}
.drawer-foot > * { min-width: 0; }
.drawer-foot .btn {
  height: auto; min-height: 48px;
  padding: 13px 16px;
  white-space: normal;
  text-align: center;
  line-height: 1.35;
}
.drawer .lang-switch--drawer a svg { display: none; }
.drawer .lang-switch--drawer a.is-on {
  color: var(--blue-600);
  background: #fff;
  border-color: var(--blue-600);
  font-weight: 600;
}

/* ==========================================================================
   5. 头部导航
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: #fff;
  border-bottom: 1px solid var(--line-2);
  transition: box-shadow .3s var(--ease);
}
.header.is-stuck { box-shadow: var(--sh-sm); }

.header .wrap {
  height: var(--h-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

/* LOGO */
.logo { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.logo-mark {
  width: 44px; height: 44px;
  border-radius: 11px;
  background: linear-gradient(145deg, var(--blue-500) 0%, var(--blue-800) 100%);
  display: grid; place-items: center;
  box-shadow: 0 6px 16px rgba(239, 127, 45, .28);
  flex: 0 0 auto;
}
.logo-mark svg { width: 25px; height: 25px; }
.logo-txt { display: flex; flex-direction: column; line-height: 1.2; }
.logo-cn {
  font-size: 20px; font-weight: 800; color: var(--ink);
  letter-spacing: .12em;
}
.logo-en {
  font-family: var(--ff-en);
  font-size: 9.5px; font-weight: 600;
  letter-spacing: .28em;
  color: var(--ink-4);
  text-transform: uppercase;
  margin-top: 3px;
}

/* 主导航 */
.nav { display: flex; align-items: center; gap: 0; height: 100%; }
.nav > li { height: 100%; position: relative; }
.nav > li > a {
  display: flex; align-items: center;
  height: 100%;
  padding: 0 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0;
  white-space: nowrap;
  position: relative;
}
.nav > li > a::after {
  content: "";
  position: absolute; left: 12px; right: 12px; bottom: 0;
  height: 3px;
  background: var(--blue-600);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .3s var(--ease);
}
.nav > li > a:hover { color: var(--blue-600); }
.nav > li > a:hover::after,
.nav > li > a.is-active::after { transform: scaleX(1); }
.nav > li > a.is-active { color: var(--blue-600); font-weight: 600; }
/* 英文站菜单文案更长：收紧间距并收起头部电话，保证 7 项一行放下 */
html[lang="en"] .nav > li > a { padding: 0 10px; }
html[lang="en"] .head-tel { display: none; }

/* 头部右侧 */
.head-right { display: flex; align-items: center; gap: 20px; flex: 0 0 auto; }
.head-tel { display: flex; align-items: center; gap: 10px; }
.head-tel-icon {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--blue-50);
  display: grid; place-items: center;
  flex: 0 0 auto;
}
.head-tel-icon svg { width: 17px; height: 17px; color: var(--blue-600); }
.head-tel-txt { display: flex; flex-direction: column; line-height: 1.25; }
.head-tel-txt span { font-size: 11px; color: var(--ink-4); letter-spacing: .08em; }
.head-tel-txt strong {
  font-family: var(--ff-en);
  font-size: 16px; color: var(--ink); font-weight: 700;
  letter-spacing: .02em;
}

/* 汉堡 */
.burger {
  display: none;
  width: 44px; height: 44px;
  place-items: center;
  border-radius: var(--r-sm);
  margin-left: auto;
}
.burger span {
  display: block; width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  position: relative;
  transition: all .3s var(--ease);
}
.burger span::before, .burger span::after {
  content: ""; position: absolute; left: 0;
  width: 22px; height: 2px; background: var(--ink);
  border-radius: 2px; transition: all .3s var(--ease);
}
.burger span::before { top: -7px; }
.burger span::after { top: 7px; }
body.nav-open .burger span { background: transparent; }
body.nav-open .burger span::before { top: 0; transform: rotate(45deg); }
body.nav-open .burger span::after { top: 0; transform: rotate(-45deg); }

/* 移动抽屉 */
.drawer {
  position: fixed;
  inset: 0;
  background: #fff;
  z-index: 220;
  transform: translateX(100%);
  transition: transform .38s var(--ease);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0 0 40px;
  display: none;
}
body.nav-open .drawer { transform: translateX(0); }
.drawer-bar {
  height: var(--h-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--line-2);
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 2;
}
.drawer-bar .logo { gap: 10px; }
.drawer-bar .logo-mark { width: 36px; height: 36px; border-radius: 9px; }
.drawer-bar .logo-mark svg { width: 21px; height: 21px; }
.drawer-bar .logo-cn { font-size: 17px; }
.drawer-close {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  margin-right: -10px;
  color: var(--ink-2);
}
.drawer-close svg { width: 21px; height: 21px; }
.drawer a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 28px;
  font-size: 16.5px;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--line-2);
}
.drawer a.is-active { color: var(--blue-600); }
.drawer a svg { width: 15px; height: 15px; color: var(--ink-4); }
.drawer-foot { padding: 24px 28px 0; display: grid; gap: 12px; }
.drawer-foot .tel {
  font-family: var(--ff-en);
  font-size: 22px; font-weight: 700; color: var(--blue-600);
  letter-spacing: .02em;
}

/* ==========================================================================
   6. 首页 Hero 轮播
   ========================================================================== */
.hero {
  position: relative;
  height: clamp(462px, 62vh, 640px);
  background: var(--blue-900);
  overflow: hidden;
}
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1s var(--ease);
  pointer-events: none;
}
.hero-slide.is-on { opacity: 1; pointer-events: auto; }
.hero-slide::after {
  content: "";
  position: absolute; inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(22, 11, 3, .95) 0%, rgba(22, 11, 3, .82) 42%, rgba(22, 11, 3, .34) 72%, rgba(22, 11, 3, .18) 100%),
    linear-gradient(0deg, rgba(22, 11, 3, .5) 0%, transparent 45%);
}
.hero-slide img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.04);
}
.hero-slide.is-on img { animation: heroZoom 9s var(--ease) forwards; }
@keyframes heroZoom { from { transform: scale(1.04); } to { transform: scale(1.11); } }

.hero-inner {
  position: relative;
  z-index: 3;
  height: 100%;
  display: flex;
  align-items: center;
}
.hero-txt { max-width: 640px; }
/* 英文标题更长，放宽容器避免第三行只剩一个词 */
html[lang="en"] .hero-txt { max-width: 780px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--ff-en);
  font-size: 11.5px; font-weight: 700;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: #f9b57e;
  margin-bottom: 22px;
}
.hero-eyebrow::before {
  content: "";
  width: 26px; height: 2px;
  background: var(--cyan);
}
.hero h1 {
  font-size: clamp(30px, 4.2vw, 54px);
  line-height: 1.22;
  color: #fff;
  letter-spacing: .02em;
  font-weight: 800;
  text-shadow: 0 2px 24px rgba(0, 0, 0, .25);
}
.hero h1 em {
  font-style: normal;
  color: #ffb877;
}
.hero-sub {
  margin-top: 20px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .8);
  max-width: 520px;
}
.hero-btns { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

/* 轮播控制 */
.hero-ctrl {
  position: absolute;
  left: 0; right: 0; bottom: 34px;
  z-index: 5;
}
.hero-ctrl .wrap {
  display: flex; align-items: center; gap: 22px;
}
.hero-dots { display: flex; align-items: center; gap: 10px; }
.hero-dot {
  width: 30px; height: 3px;
  background: rgba(255, 255, 255, .3);
  border-radius: 2px;
  transition: all .4s var(--ease);
}
.hero-dot.is-on { width: 52px; background: #fff; }
.hero-count {
  font-family: var(--ff-en);
  font-size: 12px;
  letter-spacing: .16em;
  color: rgba(255, 255, 255, .55);
  margin-left: auto;
}
.hero-count b { color: #fff; font-size: 15px; }
.hero-arrows { display: flex; gap: 8px; }
.hero-arrow {
  width: 38px; height: 38px;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 50%;
  display: grid; place-items: center;
  color: #fff;
  transition: all .3s var(--ease);
}
.hero-arrow svg { width: 15px; height: 15px; }
.hero-arrow:hover { background: var(--blue-600); border-color: var(--blue-600); }

/* ==========================================================================
   7. 四大优势
   ========================================================================== */
.feat-band {
  background: #fff;
  border-bottom: 1px solid var(--line-2);
  position: relative;
  z-index: 10;
}
.feat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.feat-item {
  padding: 42px 30px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  border-right: 1px solid var(--line-2);
  transition: background .3s var(--ease);
  position: relative;
}
.feat-item:first-child { border-left: 1px solid var(--line-2); }
.feat-item::before {
  content: "";
  position: absolute; left: 0; right: 0; top: 0;
  height: 3px; background: var(--blue-600);
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s var(--ease);
}
.feat-item:hover { background: var(--blue-50); }
.feat-item:hover::before { transform: scaleX(1); }
.feat-ico {
  width: 46px; height: 46px;
  border-radius: var(--r-sm);
  background: var(--blue-50);
  display: grid; place-items: center;
  flex: 0 0 auto;
  transition: all .3s var(--ease);
}
.feat-ico svg { width: 22px; height: 22px; color: var(--blue-600); }
.feat-item:hover .feat-ico { background: var(--blue-600); }
.feat-item:hover .feat-ico svg { color: #fff; }
.feat-t { font-size: 16.5px; font-weight: 700; color: var(--ink); letter-spacing: .03em; }
.feat-d { font-size: 13.5px; color: var(--ink-3); line-height: 1.7; margin-top: 6px; }

/* ==========================================================================
   8. 关于我们（首页）
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.02fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-media { position: relative; }
.about-media img {
  width: 100%;
  border-radius: var(--r);
  box-shadow: var(--sh-md);
  aspect-ratio: 4 / 3.1;
  object-fit: cover;
}
.about-media::before {
  content: "";
  position: absolute;
  left: -18px; top: -18px;
  width: 128px; height: 128px;
  border-left: 2px solid var(--blue-600);
  border-top: 2px solid var(--blue-600);
  border-radius: 2px;
  z-index: -1;
}
.about-badge {
  position: absolute;
  right: -22px; bottom: 34px;
  background: var(--blue-600);
  color: #fff;
  padding: 20px 26px;
  border-radius: var(--r);
  box-shadow: var(--sh-lg);
  text-align: center;
  min-width: 132px;
}
.about-badge b {
  display: block;
  font-family: var(--ff-en);
  font-size: 38px; font-weight: 800; line-height: 1;
  letter-spacing: .01em;
}
.about-badge > span {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  opacity: .85;
  margin-top: 8px;
}

.about-txt .sec-cn { font-size: 30px; }
.about-lead {
  font-size: 16px;
  color: var(--ink);
  font-weight: 500;
  margin-top: 26px;
  line-height: 1.85;
}
.about-body {
  margin-top: 16px;
  color: var(--ink-3);
  font-size: 14.5px;
  line-height: 1.95;
}
.about-body + .about-body { margin-top: 10px; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 32px 0 30px;
  border-top: 1px solid var(--line-2);
  padding-top: 26px;
}
.stat { padding-right: 16px; }
.stat + .stat { border-left: 1px solid var(--line-2); padding-left: 22px; }
.stat > b {
  display: flex;
  align-items: baseline;
  font-family: var(--ff-en);
  font-size: 32px; font-weight: 800;
  color: var(--blue-600);
  line-height: 1.1;
  letter-spacing: .01em;
}
.stat > b i { font-style: normal; font-size: 15px; margin-left: 3px; font-weight: 700; }
.stat > span {
  display: block;
  font-size: 12.5px;
  color: var(--ink-4);
  margin-top: 8px;
  letter-spacing: .04em;
}

/* ==========================================================================
   9. 产品中心（首页）
   ========================================================================== */
.prod-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.tab {
  height: 40px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-3);
  border-radius: 100px;
  border: 1px solid var(--line);
  background: #fff;
  transition: all .28s var(--ease);
  letter-spacing: .02em;
}
.tab:hover { color: var(--blue-600); border-color: var(--blue-400); }
.tab.is-on {
  background: var(--blue-600);
  border-color: var(--blue-600);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 6px 16px rgba(239, 127, 45, .24);
}

.prod-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.prod-card {
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  overflow: hidden;
  transition: all .4s var(--ease);
  display: flex;
  flex-direction: column;
}
.prod-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-md);
  border-color: transparent;
}
.prod-thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f1f3f6;
}
.prod-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.prod-card:hover .prod-thumb img { transform: scale(1.06); }
.prod-cat {
  position: absolute;
  left: 14px; top: 14px;
  background: rgba(42, 20, 8, .82);
  color: #fff;
  font-size: 11.5px;
  letter-spacing: .1em;
  padding: 5px 11px;
  border-radius: 3px;
  backdrop-filter: blur(4px);
}
.prod-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.prod-name {
  font-size: 17.5px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .02em;
}
.prod-name a:hover { color: var(--blue-600); }
.prod-desc {
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.8;
  margin-top: 9px;
  flex: 1;
}
.prod-tags {
  display: flex; flex-wrap: wrap; gap: 7px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}
.prod-tags span {
  font-size: 11.5px;
  color: var(--ink-3);
  background: var(--bg-soft);
  border-radius: 3px;
  padding: 4px 9px;
  letter-spacing: .02em;
}
.prod-more {
  margin-top: 16px;
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13.5px; font-weight: 600;
  color: var(--ink-4);
}
.prod-more svg { width: 13px; height: 13px; transition: transform .3s var(--ease); }
.prod-card:hover .prod-more { color: var(--blue-600); }
.prod-card:hover .prod-more svg { transform: translateX(4px); }

.prod-foot { text-align: center; margin-top: 50px; }

/* 产品分类区块（产品中心页） */
.prod-grid--2 { grid-template-columns: repeat(2, 1fr); }
.cat-block + .cat-block {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--line-2);
}
.cat-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}
.cat-title {
  font-size: 21px;
  letter-spacing: .04em;
  line-height: 1.25;
  padding-left: 14px;
  border-left: 3px solid var(--blue-600);
}
.cat-title span {
  display: block;
  font-family: var(--ff-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 7px;
}
.cat-note { font-size: 13px; color: var(--ink-4); max-width: 380px; line-height: 1.7; }
.cat-block .prod-grid { margin-bottom: 26px; }

/* 软件著作权证书展示 */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 0;
}
/* 两张证书时保持与三列同宽，左对齐 */
.cert-grid--pair {
  grid-template-columns: repeat(2, 1fr);
  max-width: calc((100% - 44px) / 3 * 2 + 22px);
}
/* 证书分组标题 */
.cert-group-h {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 38px 0 15px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ink-2);
}
.cert-group-h::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}
.cert-group-h span {
  font-family: var(--ff-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.cert-card {
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  background: #fff;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), transform .3s var(--ease);
}
.cert-card:hover {
  border-color: var(--blue-400);
  box-shadow: var(--sh-sm);
  transform: translateY(-3px);
}
.cert-card img {
  display: block;
  width: 100%;
  height: auto;
  background: #fff;
  border-bottom: 1px solid var(--line-2);
}
.cert-card div { padding: 14px 16px 16px; }
.cert-card b { display: block; font-size: 13.5px; color: var(--ink); line-height: 1.5; }
.cert-card span { display: block; font-size: 12px; color: var(--ink-4); margin-top: 5px; font-family: var(--ff-en); letter-spacing: .02em; }

@media (max-width: 700px) {
  .cert-grid--pair { max-width: none; }
  .cert-group-h { margin: 30px 0 13px; }
}

/* 板块内小节标题（型号分组用） */
.sub-h {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .02em;
  margin: 30px 0 14px;
  padding-left: 12px;
  border-left: 3px solid var(--blue-600);
  line-height: 1.4;
}
.sub-h:first-of-type { margin-top: 6px; }
.sub-h span {
  font-family: var(--ff-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-left: 8px;
}
/* 小型提示行（表下注释） */
.tbl-note {
  font-size: 12px;
  color: var(--ink-4);
  line-height: 1.7;
  margin: -6px 0 4px;
}

/* ==========================================================================
   10. 应用领域（深色）
   ========================================================================== */
.apps {
  background:
    radial-gradient(900px 420px at 82% 8%, rgba(245, 147, 72, .3), transparent 62%),
    linear-gradient(180deg, #1a1208 0%, #2a1608 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.apps::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .032) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 40%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 40%, #000 20%, transparent 78%);
}
.apps .wrap { position: relative; z-index: 2; }
.apps .sec-en { color: var(--cyan); }
.apps .sec-cn { color: #fff; }
.apps .sec-line { background: var(--cyan); }
.apps .sec-desc { color: rgba(255, 255, 255, .62); }

.app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--r);
  overflow: hidden;
}
.app-item {
  background: rgba(26, 14, 6, .72);
  padding: 38px 30px;
  transition: background .34s var(--ease);
  position: relative;
}
.app-item:hover { background: rgba(239, 127, 45, .34); }
.app-ico {
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .16);
  display: grid; place-items: center;
  margin-bottom: 18px;
  transition: all .34s var(--ease);
}
.app-ico svg { width: 22px; height: 22px; color: #f9b57e; }
.app-item:hover .app-ico {
  border-color: var(--cyan);
  background: rgba(255, 164, 92, .14);
}
.app-item:hover .app-ico svg { color: var(--cyan); }
.app-t {
  font-size: 16px; font-weight: 600; color: #fff;
  letter-spacing: .04em;
}
.app-d {
  font-size: 13px;
  color: rgba(255, 255, 255, .74);
  line-height: 1.75;
  margin-top: 8px;
}

/* ==========================================================================
   11. 服务流程
   ========================================================================== */
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
  counter-reset: flow;
}
.flow-grid::before {
  content: "";
  position: absolute;
  left: 6%; right: 6%; top: 30px;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--line) 0 8px, transparent 8px 16px);
  z-index: 0;
}
.flow-step { position: relative; z-index: 1; text-align: center; padding: 0 6px; }
.flow-num {
  counter-increment: flow;
  width: 60px; height: 60px;
  margin: 0 auto;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  font-family: var(--ff-en);
  font-size: 19px; font-weight: 800;
  color: var(--blue-600);
  transition: all .34s var(--ease);
  box-shadow: 0 0 0 6px #fff;
}
.flow-num::before { content: "0" counter(flow); }
.flow-step:hover .flow-num {
  background: var(--blue-600);
  border-color: var(--blue-600);
  color: #fff;
  transform: translateY(-4px);
  box-shadow: 0 0 0 6px #fff, 0 12px 26px rgba(239, 127, 45, .24);
}
.flow-t { font-size: 16px; font-weight: 700; color: var(--ink); margin-top: 22px; letter-spacing: .04em; }
.flow-d { font-size: 13.5px; color: var(--ink-3); line-height: 1.78; margin-top: 9px; }

/* ==========================================================================
   12. 新闻资讯
   ========================================================================== */
.news-grid {
  display: grid;
  grid-template-columns: 1.06fr 1fr;
  gap: 30px;
  align-items: stretch;
}
.news-feature {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  overflow: hidden;
  transition: all .4s var(--ease);
}
.news-feature:hover { box-shadow: var(--sh-md); border-color: transparent; transform: translateY(-4px); }
.news-feature .thumb {
  aspect-ratio: 16 / 9.6;
  overflow: hidden;
  background: #1a1208;
}
.news-feature .thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.news-feature:hover .thumb img { transform: scale(1.05); }
.news-feature .body { padding: 26px 28px 28px; flex: 1; display: flex; flex-direction: column; }
.news-meta {
  display: flex; align-items: center; gap: 14px;
  font-size: 12px;
  color: var(--ink-4);
  letter-spacing: .04em;
}
.news-tag {
  color: var(--blue-600);
  background: var(--blue-50);
  padding: 3px 9px;
  border-radius: 3px;
  font-weight: 600;
}
.news-feature h3 {
  font-size: 20px;
  line-height: 1.55;
  margin-top: 14px;
  letter-spacing: .01em;
}
.news-feature h3 a:hover { color: var(--blue-600); }
.news-feature p {
  font-size: 13.8px;
  color: var(--ink-3);
  line-height: 1.85;
  margin-top: 12px;
  flex: 1;
}
.news-feature .link-more { margin-top: 18px; }

.news-list { display: flex; flex-direction: column; border-top: 1px solid var(--line-2); }
.news-item {
  display: flex;
  gap: 20px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line-2);
  align-items: center;
  transition: all .3s var(--ease);
  flex: 1;
}
.news-item:hover { padding-left: 10px; }
.news-date {
  flex: 0 0 auto;
  text-align: center;
  width: 62px;
  border-right: 1px solid var(--line-2);
  padding-right: 16px;
}
.news-date b {
  display: block;
  font-family: var(--ff-en);
  font-size: 26px; font-weight: 800;
  color: var(--ink);
  line-height: 1;
  transition: color .3s var(--ease);
}
.news-item:hover .news-date b { color: var(--blue-600); }
.news-date span {
  display: block;
  font-size: 11.5px;
  color: var(--ink-4);
  margin-top: 6px;
  letter-spacing: .03em;
}
.news-info { flex: 1; min-width: 0; }
.news-info h4 {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  letter-spacing: .01em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-item:hover .news-info h4 { color: var(--blue-600); }
.news-info .tagline {
  font-size: 12.5px;
  color: var(--ink-4);
  margin-top: 6px;
}
.news-arrow {
  flex: 0 0 auto;
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  color: var(--ink-4);
  transition: all .3s var(--ease);
}
.news-arrow svg { width: 12px; height: 12px; }
.news-item:hover .news-arrow {
  background: var(--blue-600);
  border-color: var(--blue-600);
  color: #fff;
}

/* ==========================================================================
   13. CTA
   ========================================================================== */
.cta {
  background:
    linear-gradient(100deg, rgba(42, 20, 8, .96) 0%, rgba(112, 52, 14, .94) 56%, rgba(178, 82, 24, .93) 100%),
    url("../img/hero-2.jpg") center/cover no-repeat;
  color: #fff;
  padding: 62px 0;
}
.cta .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta h2 {
  font-size: clamp(23px, 2.6vw, 31px);
  color: #fff;
  letter-spacing: .03em;
}
.cta p {
  margin-top: 12px;
  font-size: 14.5px;
  color: rgba(255, 255, 255, .72);
  max-width: 620px;
}
.cta-acts { display: flex; gap: 12px; flex-wrap: wrap; }
.cta .btn--primary {
  background: #fff;
  color: var(--blue-800);
  box-shadow: 0 10px 26px rgba(0, 0, 0, .2);
}
.cta .btn--primary:hover { background: var(--blue-50); color: var(--blue-900); }

/* ==========================================================================
   14. 页脚
   ========================================================================== */
.footer {
  background: #140c05;
  color: rgba(255, 255, 255, .6);
  font-size: 13.5px;
  padding-top: 70px;
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.5fr .8fr .9fr 1.3fr;
  gap: 54px;
  padding-bottom: 56px;
}
.footer .logo-cn { color: #fff; }
.footer .logo-en { color: rgba(255, 255, 255, .38); }
.foot-about {
  margin-top: 20px;
  line-height: 1.95;
  color: rgba(255, 255, 255, .64);
  font-size: 13px;
  max-width: 330px;
}
.foot-h {
  font-size: 14.5px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .1em;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 12px;
}
.foot-h::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 24px; height: 2px;
  background: var(--blue-500);
}
.foot-links li { margin-bottom: 12px; }
.foot-links a {
  color: rgba(255, 255, 255, .7);
  font-size: 13.5px;
  transition: all .25s var(--ease);
  display: inline-flex; align-items: center; gap: 7px;
}
.foot-links a::before {
  content: "";
  width: 0; height: 1px;
  background: var(--blue-400);
  transition: width .25s var(--ease);
}
.foot-links a:hover { color: #fff; }
.foot-links a:hover::before { width: 10px; }

.foot-contact li {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  line-height: 1.7;
}
.foot-contact svg {
  width: 15px; height: 15px;
  color: var(--blue-400);
  flex: 0 0 auto;
  margin-top: 5px;
}
.foot-contact a:hover { color: #fff; }
.foot-contact .big {
  font-family: var(--ff-en);
  font-size: 21px; font-weight: 700; color: #fff;
  letter-spacing: .02em;
}

.foot-bottom {
  border-top: 1px solid rgba(255, 255, 255, .09);
  padding: 22px 0;
}
.foot-bottom .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: rgba(255, 255, 255, .4);
}
.foot-bottom a:hover { color: rgba(255, 255, 255, .8); }

/* ==========================================================================
   15. 内页 Banner / 面包屑
   ========================================================================== */
.page-hero {
  position: relative;
  height: 320px;
  background: var(--blue-900);
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background: url("../img/hero-2.jpg") center/cover no-repeat;
  opacity: .34;
}
.page-hero::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(24, 13, 5, .95) 0%, rgba(24, 13, 5, .66) 58%, rgba(24, 13, 5, .48) 100%),
    linear-gradient(180deg, transparent 55%, rgba(24, 13, 5, .55) 100%);
}
.page-hero .wrap { position: relative; z-index: 3; }
.page-hero h1 {
  font-size: clamp(28px, 3.6vw, 42px);
  color: #fff;
  letter-spacing: .06em;
  font-weight: 800;
}
.page-hero .en {
  display: block;
  font-family: var(--ff-en);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: #ffb877;
  margin-bottom: 14px;
}
.page-hero .desc {
  margin-top: 16px;
  font-size: 14.5px;
  color: rgba(255, 255, 255, .7);
  max-width: 560px;
}

.crumb {
  background: #fff;
  border-bottom: 1px solid var(--line-2);
}
.crumb .wrap {
  height: 54px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-4);
}
.crumb a:hover { color: var(--blue-600); }
.crumb svg { width: 11px; height: 11px; opacity: .5; }
.crumb .cur { color: var(--ink-2); font-weight: 500; }

/* ==========================================================================
   16. 公司简介页
   ========================================================================== */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.06fr;
  gap: 70px;
  align-items: center;
}
.intro-media { position: relative; }
.intro-media img {
  width: 100%;
  border-radius: var(--r);
  aspect-ratio: 4 / 3.1;
  object-fit: cover;
  box-shadow: var(--sh-md);
}
.intro-media .frame {
  position: absolute; right: -16px; bottom: -16px;
  width: 150px; height: 150px;
  border-right: 2px solid var(--blue-600);
  border-bottom: 2px solid var(--blue-600);
  border-radius: 2px;
}
.intro-txt h2 {
  font-size: 30px;
  line-height: 1.45;
  letter-spacing: .02em;
  margin-bottom: 10px;
}
.intro-txt h2 span { color: var(--blue-600); }
.intro-txt .sub {
  font-family: var(--ff-en);
  font-size: 11.5px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--blue-400);
  margin-bottom: 16px;
  display: block;
}
.intro-txt p {
  color: var(--ink-3);
  line-height: 2;
  margin-top: 14px;
  font-size: 14.5px;
}
.intro-txt p strong { color: var(--ink); font-weight: 600; }

/* 信息表 */
.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 26px;
  font-size: 13.5px;
}
.info-table th, .info-table td {
  border: 1px solid var(--line);
  padding: 11px 15px;
  text-align: left;
  line-height: 1.65;
}
.info-table th {
  background: var(--bg-soft);
  color: var(--ink-2);
  font-weight: 600;
  width: 136px;
  white-space: nowrap;
}
.info-table td { color: var(--ink-3); }

/* 时间轴 */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 0;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 50%; top: 4px; bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, transparent 0%, #e6d8c9 6%, #e6d8c9 94%, transparent 100%);
  transform: translateX(-1px);
}
.tl-item {
  position: relative;
  width: 50%;
  padding: 0 44px 44px 0;
  text-align: right;
}
.tl-item:nth-child(even) {
  margin-left: 50%;
  padding: 0 0 44px 44px;
  text-align: left;
}
.tl-item::before {
  content: "";
  position: absolute;
  right: -6px; top: 8px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--blue-600);
  box-shadow: 0 0 0 4px var(--bg-soft);
  z-index: 2;
}
.tl-item:nth-child(even)::before { right: auto; left: -6px; }
.tl-year {
  font-family: var(--ff-en);
  font-size: 24px;
  font-weight: 800;
  color: var(--blue-600);
  letter-spacing: .02em;
  line-height: 1;
}
.tl-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-top: 10px;
  letter-spacing: .03em;
}
.tl-desc {
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.8;
  margin-top: 8px;
}

/* 企业文化 */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.value-card {
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  padding: 38px 32px;
  transition: all .4s var(--ease);
  position: relative;
  overflow: hidden;
}
.value-card::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--blue-600);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .4s var(--ease);
}
.value-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sh-md);
  border-color: transparent;
}
.value-card:hover::before { transform: scaleY(1); }
.value-ico {
  width: 50px; height: 50px;
  border-radius: var(--r-sm);
  background: var(--blue-50);
  display: grid; place-items: center;
  margin-bottom: 22px;
}
.value-ico svg { width: 23px; height: 23px; color: var(--blue-600); }
.value-card h3 { font-size: 18px; letter-spacing: .04em; }
.value-card .en {
  font-family: var(--ff-en);
  font-size: 10.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-top: 6px;
  display: block;
}
.value-card p {
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.9;
  margin-top: 14px;
}

/* 荣誉 */
.honor-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.honor {
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  padding: 30px 24px;
  text-align: center;
  transition: all .34s var(--ease);
}
.honor:hover { border-color: var(--blue-400); box-shadow: var(--sh-sm); transform: translateY(-3px); }
.honor svg { width: 30px; height: 30px; color: var(--blue-600); margin: 0 auto 16px; }
.honor b { display: block; font-size: 15px; color: var(--ink); letter-spacing: .03em; }
.honor span { display: block; font-size: 12.5px; color: var(--ink-4); margin-top: 7px; line-height: 1.6; }

/* 品控要点 */
.qa-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.qa-item {
  display: flex;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  padding: 26px 28px;
  align-items: flex-start;
}
.qa-num {
  font-family: var(--ff-en);
  font-size: 15px;
  font-weight: 800;
  color: var(--blue-400);
  flex: 0 0 auto;
  padding-top: 2px;
}
.qa-item h4 { font-size: 15.5px; letter-spacing: .03em; }
.qa-item p { font-size: 13.5px; color: var(--ink-3); line-height: 1.8; margin-top: 7px; }

/* ==========================================================================
   17. 产品中心页
   ========================================================================== */
.prod-layout {
  display: grid;
  grid-template-columns: 252px 1fr;
  gap: 44px;
  align-items: flex-start;
}
/* 关键：栅格子项默认 min-width:auto，会被内部 min-width:800px 的型号表撑开，
   导致整页横向溢出（移动端表现为侧栏 CTA 文字被推出视口）。显式归零后
   由 .table-scroll 自己横向滚动。 */
.prod-layout > * { min-width: 0; }
.news-layout > * { min-width: 0; }
.side {
  position: sticky;
  top: calc(var(--h-nav) + 20px);
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  overflow: hidden;
  background: #fff;
}
.side-head {
  background: var(--blue-800);
  color: #fff;
  padding: 20px 24px;
}
.side-head b { font-size: 16.5px; letter-spacing: .08em; display: block; }
.side-head span {
  display: block;
  font-family: var(--ff-en);
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .5);
  margin-top: 5px;
}
.side-cat a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 24px;
  font-size: 14.5px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line-2);
  transition: all .26s var(--ease);
  position: relative;
}
.side-cat a svg { width: 12px; height: 12px; color: var(--ink-4); transition: all .26s var(--ease); }
.side-cat a:hover { background: var(--blue-50); color: var(--blue-600); padding-left: 28px; }
.side-cat a:hover svg { color: var(--blue-600); transform: translateX(2px); }
.side-cat a.on {
  background: var(--blue-50);
  color: var(--blue-600);
  font-weight: 600;
}
.side-cat a.on::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--blue-600);
}
.side-cta {
  padding: 24px;
  background: var(--bg-soft);
  text-align: center;
}
.side-cta p { font-size: 13px; color: var(--ink-3); line-height: 1.7; }
.side-cta .btn { width: 100%; margin-top: 14px; }
.side-cta .tel {
  display: block;
  font-family: var(--ff-en);
  font-size: 19px; font-weight: 700;
  color: var(--blue-600);
  margin-top: 12px;
  letter-spacing: .02em;
}

.prod-main .prod-grid { grid-template-columns: repeat(3, 1fr); gap: 22px; }

/* 型号表 */
.model-block { margin-top: 54px; }
.model-block h3 {
  font-size: 20px;
  letter-spacing: .04em;
  padding-left: 14px;
  border-left: 3px solid var(--blue-600);
  line-height: 1.2;
  margin-bottom: 20px;
}
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); -webkit-overflow-scrolling: touch; }
/* 手机端表格需横向滚动：给出常显的细滚动条，避免用户以为参数被截断 */
.table-scroll::-webkit-scrollbar { height: 6px; }
.table-scroll::-webkit-scrollbar-track { background: var(--line-2); border-radius: 3px; }
.table-scroll::-webkit-scrollbar-thumb { background: var(--blue-400); border-radius: 3px; }
.table-scroll::-webkit-scrollbar-thumb:hover { background: var(--blue-600); }
.model-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  min-width: 800px;
}
/* 除末列（说明/规格等长文本）外不折行，避免型号与参数被拆成两行 */
.model-table th:not(:last-child),
.model-table td:not(:last-child) { white-space: nowrap; }
/* 末列要给到最小宽度，否则会被不折行的参数列挤成 60px 宽，
   说明文字被迫竖排堆叠，单行行高被撑到 140px */
.model-table th:last-child,
.model-table td:last-child { min-width: 210px; white-space: normal; }
.model-table thead th {
  background: var(--blue-800);
  color: #fff;
  font-weight: 600;
  text-align: left;
  padding: 13px 16px;
  white-space: nowrap;
  letter-spacing: .04em;
  font-size: 13px;
}
.model-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-2);
  color: var(--ink-3);
}
.model-table tbody tr:last-child td { border-bottom: 0; }
.model-table tbody tr:hover td { background: var(--blue-50); color: var(--ink-2); }
.model-table tbody td:first-child {
  color: var(--ink);
  font-weight: 600;
  font-family: var(--ff-en);
  letter-spacing: .02em;
  white-space: nowrap;
}

/* ==========================================================================
   18. 新闻页
   ========================================================================== */
.news-layout { display: grid; grid-template-columns: 1fr 300px; gap: 44px; align-items: flex-start; }
.news-cats {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 34px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line-2);
}
.news-cats .tab { height: 38px; padding: 0 18px; font-size: 13.5px; }

.art-list { display: flex; flex-direction: column; gap: 26px; }
.art {
  display: flex;
  gap: 26px;
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  overflow: hidden;
  transition: all .38s var(--ease);
}
.art:hover { box-shadow: var(--sh-md); border-color: transparent; transform: translateY(-3px); }
.art-thumb {
  flex: 0 0 246px;
  overflow: hidden;
  background: #1a1208;
  align-self: stretch;
}
.art-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  min-height: 168px;
  transition: transform .7s var(--ease);
}
.art:hover .art-thumb img { transform: scale(1.06); }
.art-body { padding: 24px 26px 24px 0; flex: 1; min-width: 0; display: flex; flex-direction: column; }
.art-body h3 {
  font-size: 17.5px;
  line-height: 1.55;
  letter-spacing: .01em;
  margin-top: 12px;
}
.art:hover .art-body h3 { color: var(--blue-600); }
.art-body p {
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.85;
  margin-top: 10px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.art-body .link-more { margin-top: 14px; font-size: 13px; }

/* 分页 */
.pager {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 46px;
}
.pager a, .pager span {
  min-width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: 13.5px;
  color: var(--ink-3);
  background: #fff;
  transition: all .26s var(--ease);
  padding: 0 12px;
}
.pager a:hover { border-color: var(--blue-600); color: var(--blue-600); }
.pager .on {
  background: var(--blue-600);
  border-color: var(--blue-600);
  color: #fff;
  font-weight: 600;
}
.pager .disabled { color: var(--ink-4); opacity: .6; }

/* 侧栏 */
.widget {
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  overflow: hidden;
  background: #fff;
  margin-bottom: 24px;
}
.widget-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line-2);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .06em;
  display: flex; align-items: center; gap: 10px;
}
.widget-head::before {
  content: "";
  width: 3px; height: 15px;
  background: var(--blue-600);
  border-radius: 2px;
}
.widget-body { padding: 18px 20px; }
.rank li {
  display: flex; gap: 12px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--line);
  align-items: flex-start;
}
.rank li:last-child { border-bottom: 0; }
.rank b {
  font-family: var(--ff-en);
  font-size: 13px;
  font-weight: 800;
  color: var(--ink-4);
  flex: 0 0 auto;
  width: 20px;
  line-height: 1.9;
}
.rank li:nth-child(-n+3) b { color: var(--blue-600); }
.rank a {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.rank a:hover { color: var(--blue-600); }
.widget-contact { background: var(--blue-800); color: #fff; padding: 26px 22px; }
.widget-contact h4 { color: #fff; font-size: 16px; letter-spacing: .03em; }
.widget-contact p { font-size: 12.5px; color: rgba(255, 255, 255, .6); margin-top: 8px; line-height: 1.7; }
.widget-contact .tel {
  display: block;
  font-family: var(--ff-en);
  font-size: 22px; font-weight: 800;
  color: #fff;
  margin-top: 14px;
  letter-spacing: .02em;
}
.widget-contact .btn { width: 100%; margin-top: 16px; background: #fff; color: var(--blue-800); }
.widget-contact .btn:hover { background: var(--blue-50); }

/* ==========================================================================
   19. 联系我们页
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}
.ccard {
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  padding: 32px 26px;
  transition: all .36s var(--ease);
  position: relative;
  overflow: hidden;
}
.ccard::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 3px; background: var(--blue-600);
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s var(--ease);
}
.ccard:hover { transform: translateY(-5px); box-shadow: var(--sh-md); border-color: transparent; }
.ccard:hover::after { transform: scaleX(1); }
.ccard-ico {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--blue-50);
  display: grid; place-items: center;
  margin-bottom: 20px;
}
.ccard-ico svg { width: 21px; height: 21px; color: var(--blue-600); }
.ccard-en {
  display: block;
  font-family: var(--ff-en);
  font-size: 10.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.ccard h3 { font-size: 16px; letter-spacing: .05em; margin-top: 6px; }
.ccard p {
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.8;
  margin-top: 12px;
  word-break: break-all;
}
.ccard strong {
  font-family: var(--ff-en);
  font-size: 18px;
  color: var(--blue-600);
  font-weight: 700;
  letter-spacing: .02em;
  word-break: break-all;
}
/* 联系卡内的补充说明（技术支持、注册地址） */
.ccard-extra {
  display: block;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-4);
  margin-top: 8px;
  word-break: break-word;
}
.ccard-extra a { color: var(--blue-600); }
.ccard-extra a:hover { text-decoration: underline; }

.contact-main {
  display: grid;
  grid-template-columns: 1fr 1.06fr;
  gap: 48px;
  align-items: flex-start;
}

.form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { position: relative; }
.field label {
  display: block;
  font-size: 13px;
  color: var(--ink-2);
  font-weight: 500;
  margin-bottom: 8px;
  letter-spacing: .03em;
}
.field label i { color: #d9483b; font-style: normal; margin-left: 2px; }
.field input, .field textarea, .field select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--r-sm);
  padding: 12px 15px;
  font-size: 14px;
  color: var(--ink);
  transition: all .26s var(--ease);
  outline: none;
  appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7789' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}
.field textarea { resize: vertical; min-height: 122px; line-height: 1.7; }
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(245, 147, 72, .12);
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-4); }
.field.err input, .field.err textarea { border-color: #d9483b; box-shadow: 0 0 0 3px rgba(217, 72, 59, .1); }
.err-msg { font-size: 12px; color: #d9483b; margin-top: 6px; display: none; }
.field.err .err-msg { display: block; }
.form-tip {
  font-size: 12px;
  color: var(--ink-4);
  line-height: 1.7;
  display: flex; gap: 7px; align-items: flex-start;
}
.form-tip svg { width: 13px; height: 13px; flex: 0 0 auto; margin-top: 4px; }

/* 地图 / 位置 */
.loc-card {
  background: var(--blue-900);
  border-radius: var(--r);
  overflow: hidden;
  position: relative;
  color: #fff;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 34px;
}
.loc-card::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 170, 110, .09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 170, 110, .09) 1px, transparent 1px);
  background-size: 44px 44px;
}
.loc-card::after {
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 280px; height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 147, 72, .45), transparent 68%);
}
.loc-pin {
  position: absolute;
  left: 50%; top: 38%;
  transform: translate(-50%, -50%);
  z-index: 2;
  text-align: center;
}
.loc-dot {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  margin: 0 auto;
  box-shadow: 0 0 0 6px rgba(255, 255, 255, .16);
  position: relative;
}
.loc-dot::after {
  content: "";
  position: absolute; inset: -14px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .5);
  animation: pulse 2.2s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(.6); opacity: 1; }
  100% { transform: scale(1.7); opacity: 0; }
}
.loc-pin b {
  display: block;
  margin-top: 22px;
  font-size: 14px;
  letter-spacing: .06em;
  white-space: nowrap;
}
.loc-info { position: relative; z-index: 3; }
.loc-info .t {
  font-family: var(--ff-en);
  font-size: 10.5px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: #ffb877;
}
.loc-info h3 { color: #fff; font-size: 19px; margin-top: 10px; line-height: 1.55; letter-spacing: .02em; }
.loc-info p { font-size: 13px; color: rgba(255, 255, 255, .78); margin-top: 10px; line-height: 1.8; }
.loc-info .line {
  margin-top: 18px; padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .14);
  display: flex; gap: 22px; flex-wrap: wrap;
  font-size: 13px;
}
.loc-info .line div { display: flex; align-items: center; gap: 7px; color: rgba(255, 255, 255, .72); }
.loc-info .line svg { width: 14px; height: 14px; color: var(--cyan); }

/* 交通指引 */
.traffic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.traffic {
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  padding: 28px 26px;
}
.traffic h4 { font-size: 15.5px; display: flex; align-items: center; gap: 10px; letter-spacing: .03em; }
.traffic h4 svg { width: 18px; height: 18px; color: var(--blue-600); }
.traffic p { font-size: 13.5px; color: var(--ink-3); line-height: 1.85; margin-top: 12px; }

/* ==========================================================================
   20. 动效 / 辅助
   ========================================================================== */
.reveal {
  opacity: 1;
  transform: none;
}
/* 仅在脚本正常执行时启用入场动画 */
.js-anim .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  will-change: opacity, transform;
}
.js-anim .reveal.in { opacity: 1; transform: none; }

.to-top {
  position: fixed;
  right: 26px; bottom: 26px;
  z-index: 300;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--blue-600);
  color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 10px 26px rgba(239, 127, 45, .34);
  opacity: 0; visibility: hidden;
  transform: translateY(12px);
  transition: all .34s var(--ease);
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--blue-800); }
.to-top svg { width: 18px; height: 18px; }

.toast {
  position: fixed;
  left: 50%; top: 84px;
  transform: translate(-50%, -18px);
  z-index: 500;
  background: #2a1608;
  color: #fff;
  font-size: 14px;
  padding: 13px 24px;
  border-radius: 100px;
  box-shadow: var(--sh-lg);
  opacity: 0;
  pointer-events: none;
  transition: all .36s var(--ease);
  display: flex; align-items: center; gap: 9px;
  max-width: calc(100vw - 40px);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast svg { width: 16px; height: 16px; color: #4fd18b; flex: 0 0 auto; }

/* 浮动咨询（移动端） */
.fab-call {
  display: none;
  position: fixed;
  right: 18px; bottom: 84px;
  z-index: 290;
  width: 50px; height: 50px;
  border-radius: 50%;
  background: var(--blue-600);
  color: #fff;
  place-items: center;
  box-shadow: 0 10px 24px rgba(239, 127, 45, .36);
}
.fab-call svg { width: 20px; height: 20px; }

/* 菜单展开时隐藏浮动按钮 */
body.nav-open .fab-call,
body.nav-open .to-top { display: none; }

/* ==========================================================================
   21. 响应式
   ========================================================================== */
/* 导航扩到 7 项后，窄屏先收起头部的电话（信息条里已有电话与邮箱） */
@media (max-width: 1200px) {
  .head-tel { display: none; }
}

@media (max-width: 1180px) {
  .head-tel { display: none; }
  .nav > li > a { padding: 0 13px; font-size: 15px; }
  .about-grid { gap: 48px; }
  .foot-grid { grid-template-columns: 1.4fr 1fr 1.2fr; gap: 40px; }
  .foot-grid > div:last-child { grid-column: 1 / -1; }
}

@media (max-width: 1024px) {
  :root { --h-nav: 68px; }
  .sec { padding: 70px 0; }
  .nav, .head-right .btn { display: none; }
  .burger { display: grid; }
  .drawer { display: block; }
  .hero { height: clamp(430px, 58vh, 560px); }
  .feat-grid { grid-template-columns: 1fr 1fr; }
  .feat-item { border-bottom: 1px solid var(--line-2); }
  .feat-item:nth-child(odd) { border-left: 1px solid var(--line-2); }
  .prod-grid, .prod-main .prod-grid { grid-template-columns: 1fr 1fr; }
  .app-grid { grid-template-columns: 1fr 1fr; }
  .flow-grid { grid-template-columns: 1fr 1fr; gap: 34px 24px; }
  .flow-grid::before { display: none; }
  .about-grid, .intro-grid, .news-grid, .contact-main { grid-template-columns: 1fr; gap: 40px; }
  .about-media::before { display: none; }
  .about-badge { right: 16px; bottom: 16px; padding: 16px 22px; }
  .intro-media .frame { display: none; }
  .value-grid { grid-template-columns: 1fr 1fr; }
  .honor-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .prod-layout, .news-layout { grid-template-columns: 1fr; gap: 32px; }
  .side { position: static; }
  .side-cat { display: grid; grid-template-columns: 1fr 1fr; }
  .side-cat a { border-right: 1px solid var(--line-2); }
  .news-feature .thumb { aspect-ratio: 16 / 8; }
  .page-hero { height: 250px; }
}

@media (max-width: 768px) {
  .topbar { font-size: 11.5px; }
  .topbar-l { display: none; }
  .topbar .wrap { justify-content: center; }
  .topbar-r { gap: 18px; }
  .wrap { padding: 0 20px; }
  .sec { padding: 56px 0; }
  .sec-cn { font-size: 26px; }
  .sec-head { margin-bottom: 38px; }
  .hero-sub { font-size: 14.5px; }
  .hero-btns { margin-top: 26px; }
  .hero-ctrl { bottom: 22px; }
  .hero-arrows { display: none; }
  .hero-count { display: none; }
  .hero-dot { width: 20px; }
  .hero-dot.is-on { width: 34px; }
  .feat-item { padding: 28px 20px; gap: 13px; }
  .feat-t { font-size: 15px; }
  .feat-d { font-size: 12.5px; }
  .stat-row { grid-template-columns: 1fr 1fr; gap: 20px 0; }
  .stat:nth-child(3) { grid-column: 1 / -1; border-left: 0; padding-left: 0; }
  .prod-head { flex-direction: column; align-items: flex-start; gap: 20px; }
  .tabs { gap: 5px; }
  .tab { height: 36px; padding: 0 15px; font-size: 13px; }
  .cta { padding: 46px 0; }
  .cta .wrap { gap: 26px; }
  .footer { padding-top: 48px; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 32px; padding-bottom: 34px; }
  .foot-grid > div:first-child { grid-column: 1 / -1; }
  .foot-grid > div:last-child { grid-column: 1 / -1; }
  .foot-about { max-width: none; }
  .timeline::before { left: 7px; }
  .tl-item, .tl-item:nth-child(even) {
    width: 100%; margin-left: 0; padding: 0 0 32px 34px; text-align: left;
  }
  .tl-item::before, .tl-item:nth-child(even)::before { left: 1px; right: auto; }
  .qa-grid, .traffic-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .art { flex-direction: column; }
  .art-thumb { flex: 0 0 auto; aspect-ratio: 16 / 9; }
  .art-thumb img { min-height: 0; }
  .art-body { padding: 20px 22px 22px; }
  .news-item { gap: 14px; padding: 18px 0; }
  .news-date { width: 52px; padding-right: 12px; }
  .news-date b { font-size: 22px; }
  .to-top { right: 16px; bottom: 16px; width: 42px; height: 42px; }
  .fab-call { display: grid; }
  .to-top { bottom: 20px; }
}

@media (max-width: 560px) {
  /* .prod-main .prod-grid 特异性更高，必须一并覆盖，否则手机端仍是两列窄卡 */
  .prod-grid, .prod-main .prod-grid, .contact-grid, .value-grid, .honor-grid,
  .app-grid, .flow-grid, .side-cat, .cert-grid { grid-template-columns: 1fr; }
  .prod-grid--2 { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
  .feat-item:first-child { border-left: 1px solid var(--line-2); }
  .foot-grid { grid-template-columns: 1fr; }
  .hero { height: auto; min-height: 470px; padding: 64px 0 76px; }
  .hero-inner { align-items: flex-start; }
  .page-hero { height: 210px; }
  .loc-card { min-height: 340px; padding: 26px; }
  .loc-info h3 { font-size: 16.5px; }
  .cta-acts .btn { width: 100%; }
  .btn { height: 46px; padding: 0 22px; font-size: 14.5px; }
  .crumb .wrap { height: 48px; font-size: 12.5px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ==========================================================================
   12. 产品图统一留白（抠底实拍图，contain 不裁切）
   ========================================================================== */
.prod-thumb.is-fit {
  background: linear-gradient(180deg, #fbf9f6 0%, #f1ece5 100%);
}
.prod-thumb.is-fit img {
  object-fit: contain;
  filter: drop-shadow(0 12px 18px rgba(74, 45, 20, .16));
}
.prod-card:hover .prod-thumb.is-fit img { transform: scale(1.04) translateY(-2px); }

/* ==========================================================================
   13. 产品页 · 技术资料下载入口
   ========================================================================== */
.dl-entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 36px;
  padding: 26px 30px;
  background: linear-gradient(100deg, #fff8f2 0%, #ffffff 62%);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue-600);
  border-radius: var(--r);
}
.dl-entry-l { display: flex; gap: 18px; align-items: flex-start; }
.dl-entry-ico {
  flex: 0 0 46px;
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: var(--blue-100);
  color: var(--blue-700);
}
.dl-entry-ico svg { width: 23px; height: 23px; }
.dl-entry-txt h3 { font-size: 16.5px; letter-spacing: .02em; }
.dl-entry-txt p {
  margin-top: 6px;
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.85;
}
.dl-entry-txt b { color: var(--blue-700); font-weight: 700; }
.dl-entry-r { flex: 0 0 auto; }

/* ==========================================================================
   14. 资料下载页
   ========================================================================== */
.doc-toolbar { margin-bottom: 18px; }
.doc-bar {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 22px;
}
.doc-bar .doc-tabs { max-width: 100%; }
.doc-bar .doc-hint { max-width: 100%; }
.doc-search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  height: 56px;
  padding: 0 14px 0 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.doc-search:focus-within {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 4px var(--blue-50);
}
.doc-search svg { flex: 0 0 18px; width: 18px; height: 18px; color: var(--ink-4); }
.doc-search input {
  flex: 1; min-width: 0; height: 100%;
  border: 0; outline: 0; background: none;
  font-size: 14.5px;
  color: var(--ink);
}
.doc-search input::placeholder { color: var(--ink-4); }
.doc-search input::-webkit-search-cancel-button,
.doc-search input::-webkit-search-decoration { display: none; }
.doc-search-clear {
  display: none;
  flex: 0 0 auto;
  padding: 5px 10px;
  font-size: 12.5px;
  color: var(--ink-3);
  background: var(--bg-soft);
  border-radius: 4px;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.doc-search-clear:hover { color: var(--blue-700); background: var(--blue-100); }
.doc-search.has-val .doc-search-clear { display: block; }

.doc-tabs .tab { height: 40px; }

.doc-hint {
  font-size: 13px;
  color: var(--ink-3);
}
.doc-hint b { color: var(--blue-700); font-weight: 700; }

.doc-list { display: flex; flex-direction: column; gap: 14px; }
.doc-item {
  display: grid;
  grid-template-columns: 46px 1fr auto;
  gap: 22px;
  align-items: center;
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: var(--r);
  transition: border-color .35s var(--ease), box-shadow .35s var(--ease), transform .35s var(--ease);
}
.doc-item:hover {
  border-color: var(--blue-400);
  box-shadow: var(--sh-sm);
  transform: translateY(-2px);
}
.doc-item.is-hidden { display: none; }
.doc-ico {
  width: 46px; height: 56px;
  display: grid; place-items: center;
  border-radius: 6px;
  background: var(--blue-100);
  color: var(--blue-700);
  font-family: var(--ff-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
}
.doc-main { min-width: 0; }
.doc-name {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .01em;
  word-break: break-word;
}
.doc-item:hover .doc-name { color: var(--blue-700); }
.doc-desc {
  margin-top: 6px;
  font-size: 13px;
  color: var(--ink-3);
  line-height: 1.75;
}
.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
  font-size: 11.5px;
  color: var(--ink-4);
}
.doc-meta span { padding: 2px 9px; background: var(--bg-soft); border-radius: 3px; }
.doc-acts { display: flex; gap: 10px; flex: 0 0 auto; }
.doc-acts .btn svg { width: 14px; height: 14px; }
.doc-acts .btn:hover svg { transform: none; }

.doc-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 76px 0 84px;
  text-align: center;
  color: var(--ink-3);
}
.doc-empty[hidden] { display: none; }
.doc-empty svg { width: 40px; height: 40px; color: var(--ink-4); }
.doc-empty p { font-size: 14px; }

@media (min-width: 901px) {
  .doc-bar { flex-direction: row; align-items: center; justify-content: space-between; gap: 20px; }
}
@media (max-width: 900px) {
  .doc-item { grid-template-columns: 40px 1fr; gap: 16px; }
  .doc-ico { width: 40px; height: 50px; }
  .doc-acts { grid-column: 1 / -1; justify-content: flex-end; padding-top: 4px; }
}
@media (max-width: 768px) {
  .dl-entry { flex-direction: column; align-items: flex-start; gap: 20px; padding: 22px; }
  .dl-entry-r { width: 100%; }
  .dl-entry-r .btn { width: 100%; }
  .doc-search { height: 52px; }
  .doc-item { padding: 18px; }
  .doc-acts { justify-content: flex-start; }
  .doc-acts .btn { flex: 1; }
}
@media (max-width: 560px) {
  .doc-name { font-size: 14.5px; }
  .doc-desc { font-size: 12.5px; }
  .doc-ico { display: none; }
  .doc-item { grid-template-columns: 1fr; }
}