/* ══════════════════════════════════════════════════════════════
   文砾轴承官网 · 公共样式
   配色集中在 :root 变量，改 --accent 即可换全站主色
   ══════════════════════════════════════════════════════════════ */
:root {
  --bg: #ffffff;
  --bg-soft: #f4f6fb;
  --ink: #212529;
  --ink-2: #4a5158;
  --ink-3: #868e96;
  --muted: #6b7280;
  --line: rgba(4, 38, 160, 0.10);
  /* 品牌主色：取自原站 CNWL #0426A0 */
  --accent: #0426a0;
  --accent-deep: #031d80;
  --accent-mid: #1e3fbf;
  --accent-soft: rgba(4, 38, 160, 0.07);
  --accent-line: rgba(4, 38, 160, 0.18);
  --dark: #0a1230;
  --dark-2: #0426a0;
  --radius: 18px;
  --maxw: 1120px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB",
               -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 26px; }
.container-wide { max-width: 1320px; margin: 0 auto; padding: 0 26px; }

/* ══════════ Swiper 轮播：应用领域 ══════════ */
.appSwiper { overflow: hidden; padding: 10px 0 8px; }
.appSwiper .swiper-slide { height: auto; }
.app-slide { background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; box-shadow: 0 18px 48px -26px rgba(14,19,26,.28); transition: transform .42s cubic-bezier(.4,0,.2,1), box-shadow .42s; }
.appSwiper .swiper-slide-active .app-slide { transform: translateY(-6px); box-shadow: 0 30px 70px -28px rgba(14,19,26,.42); }
.appSwiper .swiper-slide:not(.swiper-slide-active) .app-slide { opacity: .62; }
.app-slide-img { aspect-ratio: 1180/614; overflow: hidden; background: #f2f4f7; }
.app-slide-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .7s cubic-bezier(.4,0,.2,1); }
.appSwiper .swiper-slide-active .app-slide-img img { transform: scale(1.03); }
.app-slide-body { padding: 22px 26px 26px; text-align: center; }
.app-slide-body h3 { font-size: 19px; margin-bottom: 8px; }
.app-slide-body p { font-size: 14px; color: var(--ink-2); line-height: 1.7; margin: 0; }
.app-arrow, .cert-arrow { width: 46px; height: 46px; border-radius: 50%; background: #fff; border: 1px solid var(--line); color: var(--ink); box-shadow: 0 8px 26px -10px rgba(14,19,26,.36); transition: .24s; z-index: 12; }
.app-arrow:hover, .cert-arrow:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.app-arrow::after, .cert-arrow::after { font-size: 16px; font-weight: 700; }
.appSwiper { position: relative; }
.certSwiper { position: relative; }
.appSwiper .swiper-button-prev, .certSwiper .swiper-button-prev { left: -16px; }
.appSwiper .swiper-button-next, .certSwiper .swiper-button-next { right: -16px; }
.appSwiper .swiper-button-disabled, .certSwiper .swiper-button-disabled { opacity: 0; pointer-events: none; }

/* ══════════ Swiper 轮播：资质荣誉 ══════════ */
.certSwiper { overflow: hidden; padding: 8px 0 6px; }
.certSwiper .swiper-slide { height: auto; }
.cert-slide { background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; cursor: zoom-in; transition: transform .38s cubic-bezier(.4,0,.2,1), box-shadow .38s, border-color .38s; box-shadow: 0 10px 30px -20px rgba(14,19,26,.3); }
.cert-slide:hover { transform: translateY(-7px); box-shadow: 0 26px 56px -26px rgba(14,19,26,.45); border-color: rgba(4,38,160,.42); }
.cert-slide img { width: 100%; display: block; aspect-ratio: 900/1273; object-fit: cover; }
.cert-tip { text-align: center; margin-top: 26px; font-size: 13.5px; color: var(--ink-3); }
section { padding: 92px 0; }
section.soft { background: var(--bg-soft); }
h1 { font-size: clamp(34px, 5.6vw, 60px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.16; }
h2 { font-size: clamp(26px, 4vw, 42px); font-weight: 700; letter-spacing: -0.015em; line-height: 1.2; }
h3 { font-size: 19px; font-weight: 600; }
.eyebrow { display: inline-block; font-size: 14px; font-weight: 600; color: var(--accent); letter-spacing: .08em; margin-bottom: 12px; }
.sec-head { text-align: center; max-width: 620px; margin: 0 auto 56px; }
.sec-head p { color: var(--muted); font-size: 17px; margin-top: 12px; }
a { color: inherit; }

/* ── 按钮 ─────────────────────────── */
.btn { display: inline-block; padding: 13px 30px; border-radius: 980px; font-size: 16px; font-weight: 500; text-decoration: none; transition: .25s; cursor: pointer; border: none; font-family: inherit; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-deep); transform: translateY(-2px); box-shadow: 0 12px 28px -10px rgba(4,38,160,.45); }
.btn-ghost { color: var(--accent); }
.btn-ghost:hover { text-decoration: underline; }
.btn-outline-w { border: 1.5px solid rgba(255,255,255,.4); color: #fff; }
.btn-outline-w:hover { background: rgba(255,255,255,.1); }

/* ══════════ 导航 ══════════ */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 100; background: rgba(255,255,255,.86); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid transparent; transition: border-color .3s, background .3s; }
.nav.scrolled { border-bottom-color: var(--line); }
.nav-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 26px; height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); flex: none; }
.logo .mark { width: 57px; height: 44px; flex: none; }
.logo .t1 { font-size: 17px; font-weight: 700; letter-spacing: .01em; line-height: 1.1; }
.logo .t2 { font-size: 10px; color: var(--muted); letter-spacing: .06em; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { color: var(--ink); text-decoration: none; font-size: 15px; opacity: .8; transition: .2s; }
.nav-links a:hover { opacity: 1; color: var(--accent); }
.nav-links a.active { opacity: 1; color: var(--accent); font-weight: 600; }
.nav-tel { display: flex; align-items: center; gap: 7px; font-size: 14.5px; font-weight: 600; color: var(--accent); text-decoration: none; flex: none; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.mobile-menu { display: none; flex-direction: column; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--line); padding: 8px 26px 18px; }
.mobile-menu a { padding: 12px 2px; color: var(--ink); text-decoration: none; font-size: 16px; border-bottom: 1px solid var(--line); }
.mobile-menu a.active { color: var(--accent); font-weight: 600; }
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu.open { display: flex; }

/* ══════════ 子页 Banner ══════════ */
.page-hero { position: relative; padding: 158px 0 74px; background: var(--dark); color: #fff; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 46% 70% at 82% 20%, rgba(4,38,160,.32), transparent), radial-gradient(ellipse 40% 60% at 8% 100%, rgba(4,38,160,.14), transparent); }
.page-hero .ph-inner { position: relative; }
.page-hero h1 { font-size: clamp(30px, 4.6vw, 46px); }
.page-hero .ph-en { font-size: 13px; letter-spacing: .24em; color: #6f7d8d; font-weight: 600; margin-bottom: 14px; }
.page-hero .ph-crumb { margin-top: 22px; font-size: 13.5px; color: #8b98a6; }
.page-hero .ph-crumb a { color: #aab6c2; text-decoration: none; }
.page-hero .ph-crumb a:hover { color: #fff; }
.page-hero .ph-crumb .sep { margin: 0 8px; opacity: .5; }

/* 带原站背景图的 page-hero（保持原图本色，不加蓝色遮罩） */
.page-hero.has-bg { background: var(--dark); }
.page-hero.has-bg::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background-image: var(--hero-bg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
/* 仅一层极轻的暗角，保证白色文字可读，不改变图片色调 */
.page-hero.has-bg::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(0,0,0,.30) 0%, rgba(0,0,0,.20) 45%, rgba(0,0,0,.34) 100%);
}
.page-hero.has-bg .ph-inner { z-index: 2; }
.page-hero.has-bg .ph-en { color: rgba(255,255,255,.86); }
.page-hero.has-bg .ph-crumb { color: rgba(255,255,255,.82); }
.page-hero.has-bg .ph-crumb a { color: rgba(255,255,255,.92); }
.page-hero.has-bg .ph-crumb a:hover { color: #fff; }
.page-hero.has-bg h1 { text-shadow: 0 2px 18px rgba(0, 0, 0, .42); }

/* 走进文砾：图片作为文字介绍区的背景板（原站式大图 + 半透明文字卡） */
.about-hero-panel {
  position: relative;
  background-image: url('images/bg-about-hero.jpg');
  background-size: cover;
  background-position: 50% 0%;
  background-repeat: no-repeat;
  padding: 152px 0 82px;
  overflow: hidden;
}
/* 覆盖整个照片的淡白色半透明层，保证文字可读 */
.about-hero-panel::before {
  content: '';
  position: absolute; inset: 0;
  background: rgba(255,255,255,.62);
  pointer-events: none;
  z-index: 0;
}
.about-hero-panel > * { position: relative; z-index: 1; }
.about-hero-panel .ah-title { text-align: center; margin-bottom: 46px; }
.about-hero-panel .ah-title h1 { color: #111; font-size: clamp(30px, 4.6vw, 46px); text-shadow: none; }
.about-hero-panel .ah-title .en { margin-top: 12px; font-size: 14px; letter-spacing: .2em; color: #333; text-shadow: none; }
.about-hero-panel .ah-card {
  position: relative; max-width: 940px; margin: 0 auto;
  background: transparent;
  border-radius: 0; padding: 0;
  box-shadow: none;
  -webkit-backdrop-filter: none; backdrop-filter: none;
}
.about-hero-panel .ah-card h2 { font-size: 22px; margin-bottom: 18px; color: #111; text-shadow: none; }
.about-hero-panel .ah-card p { font-size: 15.5px; line-height: 1.95; color: #111; margin-bottom: 15px; text-shadow: none; }
.about-hero-panel .ah-card p:last-of-type { margin-bottom: 0; }
/* 所有段落统一黑色字体 */
.about-hero-panel .ah-card .lead,
.about-hero-panel .ah-card .em { color: #111; font-weight: inherit; }
.about-hero-panel .ah-card .em { font-weight: 600; }
.about-hero-panel .ah-crumb { text-align: center; margin-top: 42px; font-size: 13.5px; color: rgba(255,255,255,.86); text-shadow: 0 1px 10px rgba(0,0,0,.45); }
.about-hero-panel .ah-crumb a { color: rgba(255,255,255,.94); text-decoration: none; }
.about-hero-panel .ah-crumb a:hover { color: #fff; text-decoration: underline; }
.about-hero-panel .ah-crumb .sep { margin: 0 8px; opacity: .6; }
@media (max-width: 900px) {
  .about-hero-panel { padding: 124px 0 60px; }
  .about-hero-panel .ah-card p { font-size: 14.5px; line-height: 1.85; }
}

/* ══════════ Hero 全屏轮播（首页 · 对标原站） ══════════ */
.hero-carousel { position: relative; height: 100vh; min-height: 560px; max-height: 880px; }
.heroSwiper { width: 100%; height: 100%; }
.heroSwiper .swiper-slide { position: relative; overflow: hidden; }
.hc-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  /* 原站特征：图片做低饱和处理，突出品牌蓝文字 */
  filter: grayscale(.82) contrast(1.06) brightness(.94);
  transform: scale(1.04);
  transition: transform 7s ease-out;
}
.swiper-slide-active .hc-bg { transform: scale(1); }
/* 深蓝压暗，保证白字可读（原站即深蓝调） */
.hc-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 45%, rgba(4,38,160,.30), rgba(4,38,160,.62) 70%),
    linear-gradient(180deg, rgba(6,10,30,.55) 0%, rgba(6,12,40,.42) 45%, rgba(4,10,34,.68) 100%);
}
.hc-inner {
  position: relative; z-index: 2;
  height: 100%; max-width: 1000px; margin: 0 auto;
  padding: 0 34px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
}
.hc-inner h1 {
  color: #fff; font-size: clamp(23px, 3.4vw, 40px); line-height: 1.42;
  font-weight: 700; letter-spacing: .01em;
  text-shadow: 0 3px 26px rgba(0,0,0,.5);
  max-width: 900px;
}
.hc-rule { width: 220px; height: 1px; background: rgba(255,255,255,.62); margin: 26px 0 22px; }
.hc-en { color: #fff; font-size: clamp(11px, 1.1vw, 13.5px); letter-spacing: .24em; font-weight: 600; text-transform: uppercase; text-shadow: 0 2px 14px rgba(0,0,0,.5); }
.hc-sub {
  margin-top: 30px; max-width: 720px;
  color: rgba(255,255,255,.88); font-size: 14px; line-height: 1.95;
  padding: 20px 30px;
  border: 1px solid rgba(255,255,255,.42); border-radius: 88px;
  text-shadow: 0 1px 12px rgba(0,0,0,.5);
}
/* 左右箭头 */
.hc-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 6;
  width: 46px; height: 46px; display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.78); cursor: pointer;
  transition: color .25s, background .25s;
}
.hc-arrow:hover { color: #fff; }
.hc-prev { left: 26px; }
.hc-next { right: 26px; }
/* 圆点 */
.hc-dots { position: absolute; bottom: 42px; left: 0; right: 0; z-index: 6; display: flex; justify-content: center; gap: 13px; }
.hc-dots .swiper-pagination-bullet {
  width: 9px; height: 9px; background: rgba(255,255,255,.45); opacity: 1;
  margin: 0 !important; transition: .3s;
}
.hc-dots .swiper-pagination-bullet-active { background: var(--accent); box-shadow: 0 0 0 3px rgba(255,255,255,.28); }

/* ══════════ 产品系列带（深宝蓝 · 对标原站） ══════════ */
.series-band {
  position: relative;
  background: linear-gradient(160deg, #0426a0 0%, #031d80 55%, #02186b 100%);
  color: #fff;
}
.sb-head { text-align: right; padding: 46px 6% 8px; }
.sb-head h2 { font-size: clamp(18px, 2.1vw, 26px); color: #fff; font-weight: 700; }
.sb-head p { margin-top: 10px; font-size: 14px; color: rgba(255,255,255,.82); letter-spacing: .04em; }
.sb-body {
  display: grid; grid-template-columns: 1fr 1.5fr 1fr;
  align-items: center; gap: 20px;
  max-width: 1320px; margin: 0 auto; padding: 26px 40px 62px;
}
.sb-col, .sb-center { text-align: center; position: relative; }
.sb-col h3, .sb-center h3 { font-size: clamp(16px, 1.7vw, 21px); color: #fff; font-weight: 600; }
.sb-ico { width: 92px; height: 92px; margin: 26px auto 24px; }
.sb-ico svg { width: 100%; height: 100%; }
.sb-big { width: min(320px, 82%); margin: 20px auto 8px; }
.sb-big svg { width: 100%; height: auto; filter: drop-shadow(0 22px 44px rgba(0,0,0,.42)); }
.sb-en { display: block; font-size: 13px; color: rgba(255,255,255,.86); padding-top: 18px; border-top: 1px solid rgba(255,255,255,.3); margin-top: 4px; }
/* 两侧系列的横线与圆点（原站装饰） */
.sb-col h3 { position: relative; padding-bottom: 26px; }
.sb-col h3::after {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%); bottom: 0;
  width: 200%; height: 1px; background: rgba(255,255,255,.28);
}
.sb-col h3::before {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%); bottom: -4px;
  width: 9px; height: 9px; border-radius: 50%; background: #fff;
}
.sb-col:first-child h3::after { left: 0; transform: none; }
.sb-col:last-child h3::after { left: auto; right: 0; transform: none; }

/* ══════════ 水印标题区（原站 PRODUCTS / NEWS / APPLIACTION 大字） ══════════ */
.wm-section, .app-section, .service-band { position: relative; overflow: hidden; }
.wm {
  position: absolute; z-index: 0; pointer-events: none; user-select: none;
  font-family: "Arial Black", Arial, sans-serif; font-weight: 900;
  font-size: clamp(56px, 11vw, 150px); line-height: .8;
  letter-spacing: -.02em; white-space: nowrap;
  color: rgba(120,132,150,.13);
}
.wm-section > .container, .app-section > .container { position: relative; z-index: 2; }
.wm-section .wm { top: 34px; right: -3%; }
.app-section .wm { top: 30px; left: 0; color: rgba(4,38,160,.10); }
.wm-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 30px; flex-wrap: wrap; }
.wm-tag, .wm-tag-static {
  display: inline-block; font-size: 15px; font-weight: 700; color: #fff;
  background: var(--accent); padding: 11px 30px; border-radius: 6px; letter-spacing: .04em;
}
.wm-tag-static { color: var(--accent); background: transparent; padding: 0; font-size: clamp(22px, 2.8vw, 34px); }
.wm-more {
  display: inline-block; font-size: 14px; color: var(--accent); font-weight: 600;
  border: 1px solid rgba(4,38,160,.4); border-radius: 99px; padding: 11px 26px;
  transition: .25s;
}
.wm-more:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ══════════ 服务承诺带（原站 SERVICE 水印带） ══════════ */
.service-band { background: #e9edf3; padding: 62px 0; }
.service-band .wm-dark { top: 50%; left: 50%; transform: translate(-50%, -50%); color: rgba(120,132,150,.16); }
.sb-row {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap;
}
.sb-row h2 { font-size: clamp(22px, 3.2vw, 40px); color: #5a6472; font-weight: 700; letter-spacing: .02em; }
.sb-row .btn { flex: none; padding: 15px 46px; }

@media (max-width: 900px) {
  .hero-carousel { height: 84vh; min-height: 480px; }
  .hc-sub { border-radius: 22px; padding: 18px 22px; font-size: 13px; }
  .hc-rule { width: 150px; margin: 20px 0 18px; }
  .hc-prev { left: 4px; } .hc-next { right: 4px; }
  .sb-body { grid-template-columns: 1fr; padding: 18px 26px 46px; gap: 34px; }
  .sb-head { text-align: center; padding: 36px 6% 6px; }
  .sb-col h3::after { width: 100%; left: 0; transform: none; }
  .sb-col h3::before { left: 50%; transform: translateX(-50%); }
  .wm-section .wm { top: 20px; right: -14%; }
  .service-band { padding: 44px 0; }
  .sb-row { justify-content: center; text-align: center; }
}

/* ══════════ Hero 旧版（子页沿用） ══════════ */
.hero { position: relative; overflow: hidden; padding: 150px 0 80px; background: radial-gradient(ellipse 55% 42% at 78% 30%, rgba(4,38,160,.09), transparent), linear-gradient(180deg, #fff 0%, #fafbfd 100%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; }
.hero .en { font-size: 13px; letter-spacing: .22em; color: var(--muted); font-weight: 600; margin-bottom: 18px; }
.hero p.lead { font-size: clamp(16px, 2vw, 19px); color: var(--muted); margin: 22px 0 34px; max-width: 480px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 26px; margin-top: 38px; flex-wrap: wrap; }
.hero-meta .m-item { font-size: 13.5px; color: var(--muted); display: flex; align-items: center; gap: 7px; }
.hero-meta svg { color: var(--accent); flex: none; }
.bearing-stage { display: flex; justify-content: center; align-items: center; position: relative; }
.bearing-wrap { width: min(420px, 88%); filter: drop-shadow(0 30px 50px rgba(14,19,26,.22)); animation: float 7s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
.bearing-wrap .balls { transform-origin: 200px 200px; animation: spin 26s linear infinite; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.dim { position: absolute; font-size: 12px; color: var(--muted); font-weight: 600; letter-spacing: .04em; }
.dim.d1 { top: -4%; left: 50%; transform: translateX(-50%); padding: 0 14px; }
.dim.d1::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: repeating-linear-gradient(90deg, #9aa1ab 0 6px, transparent 6px 10px); }
.dim.d2 { right: -6%; top: 50%; transform: translateY(-50%); writing-mode: vertical-rl; padding: 14px 0; }
.dim.d2::before { content: ""; position: absolute; top: 0; bottom: 0; left: 50%; width: 1px; background: repeating-linear-gradient(180deg, #9aa1ab 0 6px, transparent 6px 10px); }

/* ══════════ 数据条 ══════════ */
.stats { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 54px 0; background: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat .num { font-size: clamp(34px, 4.6vw, 50px); font-weight: 700; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.stat .num .unit { font-size: .48em; font-weight: 600; margin-left: 3px; color: var(--muted); }
.stat .lbl { color: var(--muted); font-size: 14.5px; margin-top: 4px; }
.stat .bar { width: 26px; height: 3px; border-radius: 3px; background: var(--accent); margin: 0 auto 14px; opacity: .85; }

/* ══════════ 走进文砾 ══════════ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 6vw, 80px); align-items: center; }
.about-copy .lead-p { font-size: 17.5px; color: var(--ink); }
.about-copy p + p { margin-top: 16px; color: var(--muted); font-size: 15.5px; }
.value-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 34px; }
.v-card { background: var(--bg-soft); border-radius: var(--radius); padding: 22px 20px; transition: .3s; }
.v-card:hover { background: var(--accent-soft); transform: translateY(-4px); }
.v-card .tag { font-size: 12px; font-weight: 700; color: var(--accent); letter-spacing: .08em; }
.v-card h3 { margin: 8px 0 6px; font-size: 16.5px; }
.v-card p { font-size: 13px; color: var(--muted); line-height: 1.65; }
.plant-card { border-radius: var(--radius); background: linear-gradient(155deg, #0d1b4d, #061029 62%, #040c22); color: #fff; padding: 36px 32px; box-shadow: 0 30px 60px -28px rgba(14,19,26,.5); }
.plant-card .pv-title { font-size: 21px; font-weight: 700; margin-bottom: 6px; }
.plant-card .pv-sub { font-size: 14px; color: #8d99a8; margin-bottom: 24px; }
.plant-lines { display: flex; flex-direction: column; gap: 14px; }
.qr-row { display: flex; align-items: center; gap: 24px; }
.qr-row .plant-lines { flex: 1; min-width: 0; }
.qr-box { flex: none; text-align: center; background: #fff; border-radius: 10px; padding: 8px 8px 7px; box-shadow: 0 10px 24px rgba(0,0,0,.28); }
.qr-box img { display: block; width: 118px; height: auto; border-radius: 4px; }
.qr-box span { display: block; margin-top: 5px; font-size: 12px; color: #42506b; font-weight: 600; line-height: 1.5; }
@media (max-width: 960px) {
  .qr-row { flex-direction: column; align-items: stretch; gap: 18px; }
  .qr-box { align-self: center; }
}
.pl { display: flex; align-items: center; gap: 14px; }
.pl .pl-bar { flex: 1; height: 7px; border-radius: 99px; background: rgba(255,255,255,.1); overflow: hidden; }
.pl .pl-fill { height: 100%; border-radius: 99px; background: linear-gradient(90deg, #3b6ee0, #0426a0); width: 0; transition: width 1.2s cubic-bezier(.22,1,.36,1); }
.pl .pl-lbl { font-size: 13px; color: #c4ccd6; width: 108px; flex: none; }
.pl .pl-val { font-size: 13px; font-weight: 700; color: #fff; width: 44px; text-align: right; flex: none; font-variant-numeric: tabular-nums; }
.plant-quote { position: relative; margin-top: 22px; padding: 18px 20px; border-left: 3px solid var(--accent); background: rgba(255,255,255,.05); border-radius: 0 12px 12px 0; font-size: 13.5px; color: #aab4c0; line-height: 1.8; }
.plant-quote strong { color: #fff; }
.more-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 26px; color: var(--accent); font-weight: 600; text-decoration: none; font-size: 15.5px; }
.more-link:hover { text-decoration: underline; }

/* ══════════ 品牌语深色带 ══════════ */
.band { background: var(--dark); color: #f2f5f8; text-align: center; padding: 110px 0; position: relative; overflow: hidden; }
.band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 50% 60% at 50% 110%, rgba(4,38,160,.35), transparent); }
.band h2 { max-width: 720px; margin: 0 auto; position: relative; }
.band h2 em { font-style: normal; color: #9dc0fb; }
.band p { margin-top: 20px; color: #a8b4c2; font-size: 17px; position: relative; }

/* 深色带上下过渡：消除与浅色模块的硬边 */
.band::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 90px;
  background: linear-gradient(180deg, rgba(255,255,255,.06) 0%, transparent 100%);
  pointer-events: none; z-index: 1;
}
.band > .container { z-index: 2; }

/* CTA 深色带：顶部柔化过渡（承接上方浅色区块） */
section.band#cta { padding-top: 128px; }
section.band#cta::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 130px;
  background: linear-gradient(180deg, rgba(255,255,255,.07) 0%, rgba(255,255,255,0) 100%);
  pointer-events: none;
}

/* 品牌带：原站蓝色 CNWL 背景图 */
.band-brand { background: #0426a0; }
.band-brand .band-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('images/bg-index-mid.jpg');
  background-size: cover;
  background-position: center 40%;
  background-repeat: no-repeat;
  opacity: .72;
}
.band-brand::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background:
    radial-gradient(ellipse 62% 78% at 50% 50%, rgba(4,38,160,.90) 0%, rgba(4,38,160,.62) 55%, rgba(4,38,160,.38) 100%),
    linear-gradient(180deg, rgba(4,38,160,.30) 0%, rgba(4,38,160,.30) 100%);
}
.band-brand .container { position: relative; z-index: 2; }
.band-brand h2 { color: #fff; text-shadow: 0 2px 26px rgba(2, 16, 70, .55); }
.band-brand h2 em { color: #b3d4fd; }
.band-brand p { color: rgba(255,255,255,.86); text-shadow: 0 2px 14px rgba(2, 16, 70, .5); }

/* ══════════ 产品系列 ══════════ */
.series-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.series-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 28px; text-align: center; transition: .3s; position: relative; overflow: hidden; }
.series-card:hover { transform: translateY(-6px); box-shadow: 0 26px 48px -22px rgba(14,19,26,.25); border-color: transparent; }
.series-card::after { content: ""; position: absolute; inset: auto 0 0 0; height: 3px; background: linear-gradient(90deg, #6b93e8, var(--accent)); transform: scaleX(0); transition: .35s; }
.series-card:hover::after { transform: scaleX(1); }
.series-card .b-svg { width: 130px; height: 130px; margin: 0 auto 20px; display: block; }
.series-card .s-en { font-size: 12px; color: var(--muted); letter-spacing: .05em; margin-top: 4px; }
.series-card p { color: var(--muted); font-size: 14px; margin-top: 12px; }
.series-card .s-link { display: inline-block; margin-top: 16px; font-size: 14px; color: var(--accent); text-decoration: none; font-weight: 600; }
.series-card .s-link:hover { text-decoration: underline; }
.model-strip { margin-top: 54px; text-align: center; }
.model-strip .ms-title { font-size: 15px; color: var(--muted); margin-bottom: 20px; }
.models { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.model-chip { display: flex; flex-direction: column; align-items: center; gap: 6px; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 16px 26px; min-width: 104px; transition: .25s; text-decoration: none; color: var(--ink); }
.model-chip:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); box-shadow: 0 14px 26px -14px rgba(4,38,160,.35); }
.model-chip .mc-no { font-size: 22px; font-weight: 700; letter-spacing: .02em; font-variant-numeric: tabular-nums; }
.model-chip .mc-lbl { font-size: 11.5px; color: var(--muted); }

/* ══════════ 参数表 ══════════ */
.spec-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.spec-scroll { overflow-x: auto; }
table.spec { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 760px; }
table.spec th { background: var(--dark); color: #fff; font-weight: 600; padding: 13px 14px; text-align: center; white-space: nowrap; font-size: 13px; }
table.spec th small { display: block; font-weight: 400; opacity: .55; font-size: 11px; }
table.spec td { padding: 12px 14px; text-align: center; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; color: #333940; white-space: nowrap; }
table.spec tr:nth-child(even) td { background: #fafbfc; }
table.spec tr:hover td { background: var(--accent-soft); }
table.spec td.no { font-weight: 700; color: var(--ink); }
.spec-note { padding: 14px 20px; font-size: 12.5px; color: var(--muted); background: #fafbfc; border-top: 1px solid var(--line); display: flex; gap: 8px; align-items: flex-start; }

/* ══════════ 应用领域 ══════════ */
.apps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.app-card { display: flex; gap: 18px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; transition: .3s; text-decoration: none; color: var(--ink); }
.app-card:hover { transform: translateY(-5px); box-shadow: 0 22px 42px -20px rgba(14,19,26,.22); }
.app-ico { width: 50px; height: 50px; flex: none; border-radius: 13px; background: var(--accent-soft); color: var(--accent); display: flex; align-items: center; justify-content: center; }
.app-card h3 { font-size: 17px; }
.app-card p { font-size: 13.5px; color: var(--muted); margin-top: 5px; line-height: 1.65; }
/* 应用详情大卡（application.html 用） */
.app-detail { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.app-dcard { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; transition: .3s; }
.app-dcard:hover { transform: translateY(-5px); box-shadow: 0 22px 42px -20px rgba(14,19,26,.22); }
.app-dcard .ad-head { display: flex; align-items: center; gap: 16px; margin-bottom: 14px; }
.app-dcard p { color: var(--muted); font-size: 14.5px; }
.ad-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }

/* 应用领域卡片 · 场景图 */
.app-dcard.has-photo { padding: 0; overflow: hidden; }
.app-photo { position: relative; height: 200px; overflow: hidden; background: #eceff3; }
.app-photo img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s cubic-bezier(.2,.7,.3,1); filter: grayscale(1) contrast(1.03); }
.app-dcard:hover .app-photo img { transform: scale(1.06); }
.app-photo::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(14,19,26,0) 42%, rgba(14,19,26,.72) 100%); }
.app-photo .ap-cap { position: absolute; left: 22px; right: 22px; bottom: 18px; z-index: 2; display: flex; align-items: center; gap: 11px; }
.app-photo .ap-cap .app-ico { background: rgba(255,255,255,.16); color: #fff; border: 1px solid rgba(255,255,255,.28); backdrop-filter: blur(6px); width: 42px; height: 42px; border-radius: 11px; }
.app-photo .ap-cap h3 { color: #fff; font-size: 19px; }
.app-dcard.has-photo .ad-body { padding: 24px 26px 28px; }
.app-dcard.has-photo .ad-body p { color: var(--muted); font-size: 14.5px; }

/* 首页 · 企业宣传视频 */
.video-block { position: relative; border-radius: 20px; overflow: hidden; background: #101318; box-shadow: 0 30px 70px -32px rgba(14,19,26,.55); }
.video-block video { width: 100%; display: block; aspect-ratio: 16/9; object-fit: cover; background: #101318; }
.video-block .vb-cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 30px; background: linear-gradient(180deg, rgba(10,13,18,0) 0%, rgba(10,13,18,.82) 100%); display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.video-block .vb-cap h3 { color: #fff; font-size: 20px; margin-bottom: 5px; }
.video-block .vb-cap p { color: rgba(255,255,255,.72); font-size: 13.5px; }
.video-block .vb-tag { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 600; color: #fff; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.26); border-radius: 99px; padding: 7px 15px; backdrop-filter: blur(6px); white-space: nowrap; }
.video-block .vb-tag .dot { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 4px rgba(74,222,128,.22); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .45; } }
.video-mute { position: absolute; top: 16px; right: 16px; z-index: 3; width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,.28); background: rgba(16,19,24,.5); color: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; backdrop-filter: blur(6px); transition: .2s; }
.video-mute:hover { background: rgba(16,19,24,.78); }
.video-play-btn { display: none; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 2; width: 88px; height: 88px; border-radius: 50%; border: 2px solid rgba(255,255,255,.7); background: rgba(16, 19, 24, .55); color: #fff; cursor: pointer; backdrop-filter: blur(8px); transition: transform .2s, background .2s; box-shadow: 0 12px 40px rgba(0,0,0,.45); }
.video-play-btn:hover { transform: translate(-50%, -50%) scale(1.06); background: rgba(4, 38, 160, .85); border-color: #fff; }
.video-play-btn svg { width: 38px; height: 38px; margin-left: 4px; }
.video-play-btn.is-show { display: flex; align-items: center; justify-content: center; }
.ad-tag { font-size: 12.5px; color: var(--accent); background: var(--accent-soft); border-radius: 99px; padding: 4px 13px; font-weight: 600; }
.culture-badges { display: flex; flex-direction: column; gap: 12px; margin-top: 30px; }
.c-badge { display: block; background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 10px; padding: 14px 18px; font-size: 14.5px; color: var(--ink-2); line-height: 1.6; }
.c-badge b { display: inline-block; min-width: 76px; color: var(--ink); font-weight: 700; margin-right: 10px; }

/* ══════════ 工艺流程 ══════════ */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.p-step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; position: relative; transition: .3s; display: flex; flex-direction: column; align-items: flex-start; }
.p-step:hover { border-color: var(--accent); transform: translateY(-4px); }
.p-step .p-no { font-size: 12.5px; font-weight: 800; color: var(--accent); letter-spacing: .06em; font-variant-numeric: tabular-nums; }
.p-step h3 { font-size: 14.5px; margin: 6px 0 3px; }
.p-step p { font-size: 12px; color: var(--muted); line-height: 1.55; margin-bottom: 12px; }
.p-step .p-track { height: 3px; border-radius: 3px; background: var(--line); margin-top: auto; align-self: stretch; overflow: hidden; }
.p-step .p-track i { display: block; height: 100%; width: 0; background: var(--accent); transition: width 1s ease; }

/* ══════════ 新闻 ══════════ */
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.news-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.news-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: .3s; text-decoration: none; color: var(--ink); }
.news-card:hover { transform: translateY(-6px); box-shadow: 0 24px 44px -22px rgba(14,19,26,.25); }
.news-cover { height: 132px; position: relative; display: flex; align-items: center; justify-content: center; color: #fff; overflow: hidden; }
.nc-1 { background: linear-gradient(150deg, #274b73, #10202f); }
.nc-2 { background: linear-gradient(150deg, #0426a0, #063a7c); }
.nc-3 { background: linear-gradient(150deg, #305641, #14261a); }
.nc-4 { background: linear-gradient(150deg, #4a4f58, #1d2126); }
.nc-5 { background: linear-gradient(150deg, #6d3b2c, #2a1510); }
.nc-6 { background: linear-gradient(150deg, #2c4a6d, #0f1c2b); }
.news-cover .nc-ico { opacity: .9; transition: .4s; }
.news-card:hover .nc-ico { transform: scale(1.15); }
.news-cover .nc-date { position: absolute; right: 12px; bottom: 10px; font-size: 11.5px; background: rgba(0,0,0,.32); backdrop-filter: blur(6px); padding: 3px 10px; border-radius: 99px; letter-spacing: .03em; }
.news-body { padding: 18px 18px 20px; flex: 1; display: flex; flex-direction: column; }
.news-body h3 { font-size: 15px; line-height: 1.55; flex: 1; }
.news-body .n-more { margin-top: 14px; font-size: 13px; color: var(--accent); font-weight: 600; }
.news-body .n-sum { font-size: 13px; color: var(--muted); margin-top: 8px; line-height: 1.7; }

/* ══════════ 时间线（about.html） ══════════ */
.timeline { position: relative; max-width: 760px; margin: 0 auto; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--accent), rgba(4,38,160,.12)); }
.tl-item { position: relative; padding: 0 0 34px 26px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before { content: ""; position: absolute; left: -34px; top: 5px; width: 20px; height: 20px; border-radius: 50%; background: #fff; border: 3px solid var(--accent); box-shadow: 0 0 0 5px rgba(4,38,160,.1); }
.tl-item .tl-year { font-size: 22px; font-weight: 800; color: var(--accent); letter-spacing: .02em; }
.tl-item h3 { font-size: 17px; margin: 4px 0 6px; }
.tl-item p { font-size: 14.5px; color: var(--muted); }

/* ══════════ 服务流程 / 承诺（service.html） ══════════ */
.flow-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.flow-step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 16px; text-align: center; position: relative; transition: .3s; }
.flow-step:hover { border-color: var(--accent); transform: translateY(-4px); }
.flow-step .f-no { width: 34px; height: 34px; margin: 0 auto 10px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-weight: 800; font-size: 14px; display: flex; align-items: center; justify-content: center; font-variant-numeric: tabular-nums; }
.flow-step h3 { font-size: 15px; }
.flow-step p { font-size: 12px; color: var(--muted); margin-top: 4px; line-height: 1.55; }
.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.promise-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; transition: .3s; }
.promise-card:hover { transform: translateY(-5px); box-shadow: 0 22px 42px -20px rgba(14,19,26,.22); }
.promise-card .pr-ico { width: 50px; height: 50px; border-radius: 13px; background: var(--accent-soft); color: var(--accent); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.promise-card h3 { font-size: 17.5px; }
.promise-card p { font-size: 14px; color: var(--muted); margin-top: 8px; }

/* ══════════ FAQ 手风琴（service.html） ══════════ */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid rgba(0,0,0,.09); }
.faq-q { width: 100%; background: none; border: none; text-align: left; padding: 22px 4px; font-size: 17px; font-weight: 600; color: var(--ink); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; font-family: inherit; }
.faq-q .chev { flex: none; width: 30px; height: 30px; border-radius: 50%; background: rgba(0,0,0,.05) url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="8" viewBox="0 0 12 8"><path d="M1 1l5 5 5-5" stroke="%23333" stroke-width="1.8" fill="none" stroke-linecap="round"/></svg>') center no-repeat; transition: transform .3s ease; }
.faq-item.open .chev { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a p { padding: 0 44px 24px 4px; color: var(--muted); font-size: 15px; line-height: 1.85; }

/* ══════════ 联系 ══════════ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 26px; align-items: start; }
.c-info { display: flex; flex-direction: column; gap: 14px; }
.c-item { display: flex; gap: 16px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; transition: .25s; }
.c-item:hover { border-color: var(--accent); }
.c-ico { width: 44px; height: 44px; flex: none; border-radius: 12px; background: var(--accent-soft); color: var(--accent); display: flex; align-items: center; justify-content: center; }
.c-item .c-lbl { font-size: 12.5px; color: var(--muted); }
.c-item .c-val { font-size: 16px; font-weight: 600; color: var(--ink); text-decoration: none; }
a.c-val:hover { color: var(--accent); }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.form-card h3 { font-size: 18px; margin-bottom: 4px; }
.form-card .f-sub { font-size: 13.5px; color: var(--muted); margin-bottom: 22px; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.f-group { margin-bottom: 14px; }
.f-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.f-group label .req { color: #e5484d; }
.f-group input, .f-group textarea, .f-group select {
  width: 100%; border: 1.5px solid var(--line); border-radius: 10px; padding: 11px 14px;
  font-size: 14.5px; font-family: inherit; color: var(--ink); background: #fafbfc;
  transition: .2s; outline: none;
}
.f-group input:focus, .f-group textarea:focus, .f-group select:focus { border-color: var(--accent); background: #fff; box-shadow: 0 0 0 3px rgba(4,38,160,.12); }
.f-group textarea { resize: vertical; min-height: 96px; }
.form-ok { display: none; margin-top: 4px; padding: 12px 16px; border-radius: 10px; background: rgba(38,148,84,.1); color: #1a7f46; font-size: 14px; }
.form-ok.show { display: block; }
/* 地图示意块 */
.map-block { margin-top: 26px; border-radius: var(--radius); border: 1px solid var(--line); background: linear-gradient(150deg, #eef2f6, #e2e8ef); min-height: 220px; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 10px; color: var(--muted); position: relative; overflow: hidden; }
.map-block .mp-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(22,24,29,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(22,24,29,.05) 1px, transparent 1px); background-size: 36px 36px; }
.map-block .mp-pin { width: 46px; height: 46px; border-radius: 50% 50% 50% 0; background: var(--accent); transform: rotate(-45deg); display: flex; align-items: center; justify-content: center; box-shadow: 0 12px 24px -8px rgba(4,38,160,.5); position: relative; }
.map-block .mp-pin svg { transform: rotate(45deg); color: #fff; }
.map-block .mp-addr { font-size: 13.5px; color: #48505a; font-weight: 600; position: relative; }

/* ══════════ 页脚 ══════════ */
footer { background: var(--dark); color: #97a3b1; padding: 56px 0 0; font-size: 13.5px; }
.f-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 44px; }
.f-brand .logo .t1 { color: #fff; }
.f-brand .logo .t2 { color: #7c8896; }
.f-brand p { margin-top: 16px; max-width: 320px; line-height: 1.8; font-size: 13px; }
footer h4 { color: #fff; font-size: 14.5px; font-weight: 600; margin-bottom: 14px; }
.f-links a { display: block; color: #97a3b1; text-decoration: none; padding: 5px 0; font-size: 13.5px; transition: .2s; }
.f-links a:hover { color: #fff; }
.f-contact li { display: flex; gap: 10px; padding: 5px 0; list-style: none; align-items: flex-start; }
.f-contact svg { color: #9dc0fb; flex: none; margin-top: 3px; }
.f-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 18px 0; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 12.5px; color: #6b7684; }
.f-bottom a { color: #6b7684; text-decoration: none; }
.f-bottom a:hover { color: #fff; }
/* 备案信息行：ICP 备案 + 公安网安备案图标链接 */
.f-license { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 6px 14px; }
.f-license > a { display: inline-flex; align-items: center; gap: 6px; line-height: 1; }
.f-license > a + a { position: relative; padding-left: 14px; }
.f-license > a + a::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 1px; height: 11px; background: rgba(255,255,255,.16); }
.f-police img { display: block; width: 16px; height: 16px; border-radius: 2px; opacity: .85; transition: .25s; }
.f-police:hover img { opacity: 1; }
@media (max-width: 640px) {
  .f-bottom { flex-direction: column; gap: 10px; }
  .f-license > a + a { padding-left: 0; }
  .f-license > a + a::before { display: none; }
}

/* 三列网格（大屏 3 列，中屏 2 列，小屏 1 列） */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 960px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 580px) { .grid-3 { grid-template-columns: 1fr; } }

/* ══════════ 产品中心 ══════════ */
/* 分类切换标签 */
.cat-tabs { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 44px; }
.cat-tab { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 13px 26px; border-radius: 980px; border: 1.5px solid var(--line); background: #fff; color: var(--ink); text-decoration: none; transition: .25s; cursor: pointer; font-family: inherit; }
.cat-tab:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.cat-tab.active { background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: 0 12px 26px -10px rgba(4,38,160,.5); }
.cat-tab .ct-cn { font-size: 15.5px; font-weight: 600; }
.cat-tab .ct-en { font-size: 10.5px; opacity: .7; letter-spacing: .03em; }
.cat-tab .ct-num { font-size: 11px; opacity: .8; margin-top: 2px; }

/* 产品网格 */
.prod-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.prod-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.apps-grid.narrow { grid-template-columns: repeat(2, 1fr); max-width: 900px; margin: 0 auto; }
.prod-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; text-decoration: none; color: var(--ink); transition: .3s; display: flex; flex-direction: column; }
.prod-card:hover { transform: translateY(-6px); box-shadow: 0 24px 44px -22px rgba(14,19,26,.26); border-color: transparent; }
.prod-img { aspect-ratio: 1; background: #f7f8fa; display: flex; align-items: center; justify-content: center; overflow: hidden; position: relative; }
.prod-img img { width: 100%; height: 100%; object-fit: contain; transition: transform .45s ease; padding: 10px; }
.prod-card:hover .prod-img img { transform: scale(1.08); }
.prod-name { padding: 14px 12px 4px; text-align: center; font-size: 17px; font-weight: 700; letter-spacing: .01em; font-variant-numeric: tabular-nums; }
.prod-cat { padding: 0 12px 12px; text-align: center; font-size: 11.5px; color: var(--muted); }
.prod-more { margin: 0 12px 14px; padding: 8px 0; text-align: center; font-size: 13px; color: var(--accent); font-weight: 600; border-top: 1px solid var(--line); padding-top: 12px; transition: .2s; }
.prod-card:hover .prod-more { color: var(--accent-deep); }

/* 产品详情页：图册 */
.pd-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(30px, 5vw, 64px); align-items: start; }
.pd-gallery { position: sticky; top: 86px; }
.pd-main { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; aspect-ratio: 1; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.pd-main img { width: 100%; height: 100%; object-fit: contain; padding: 24px; }
.pd-thumbs { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.pd-thumb { width: 74px; height: 74px; border-radius: 12px; border: 1.5px solid var(--line); background: #fff; padding: 6px; cursor: pointer; transition: .2s; overflow: hidden; }
.pd-thumb:hover { border-color: var(--accent); }
.pd-thumb.active { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(4,38,160,.12); }
.pd-thumb img { width: 100%; height: 100%; object-fit: contain; }
.pd-info .pd-model { font-size: clamp(30px, 4.4vw, 44px); font-weight: 700; letter-spacing: -.01em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.pd-info .pd-crumb { font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.pd-info .pd-crumb a { color: var(--accent); text-decoration: none; }
.pd-tags { display: flex; gap: 8px; flex-wrap: wrap; margin: 18px 0 22px; }
.pd-tag { font-size: 12.5px; font-weight: 600; color: var(--accent); background: var(--accent-soft); border-radius: 99px; padding: 5px 14px; }
.pd-desc { color: var(--muted); font-size: 15.5px; }
.pd-desc p + p { margin-top: 12px; }
.pd-specs { margin: 24px 0; border-top: 1px solid var(--line); }
.pd-spec-row { display: flex; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.pd-spec-row .k { color: var(--muted); width: 108px; flex: none; }
.pd-spec-row .v { font-weight: 600; color: var(--ink); }
.pd-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }
.pd-nav { margin-top: 14px; font-size: 13.5px; color: var(--muted); }

/* 参数表分组标题 */
.spec-group { margin-top: 46px; }
.spec-group:first-of-type { margin-top: 0; }
.spec-group-title { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.spec-group-title .sg-bar { width: 4px; height: 20px; border-radius: 3px; background: var(--accent); flex: none; }
.spec-group-title h3 { font-size: 19px; }
.spec-group-title .sg-en { font-size: 12.5px; color: var(--muted); margin-left: 2px; }
.spec-group-title .sg-cnt { margin-left: auto; font-size: 12.5px; color: var(--muted); }
table.spec td.lead { font-weight: 700; color: var(--ink); background: rgba(4,38,160,.045); }
table.spec tr.hl td { background: var(--accent-soft) !important; color: var(--ink); font-weight: 700; border-bottom: 1.5px solid var(--accent); box-shadow: inset 3px 0 0 var(--accent); }
table.spec tr.hl td:first-child { box-shadow: inset 3px 0 0 var(--accent); }

/* 结构图纸 */
.drawing-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-bottom: 34px; }
.drawing-head { display: flex; align-items: center; gap: 14px; padding: 18px 24px; border-bottom: 1px solid var(--line); background: #fafbfc; flex-wrap: wrap; }
.drawing-head .dh-ico { width: 38px; height: 38px; flex: none; border-radius: 10px; background: var(--accent-soft); color: var(--accent); display: flex; align-items: center; justify-content: center; }
.drawing-head h3 { font-size: 16.5px; }
.drawing-head .dh-en { font-size: 12px; color: var(--muted); margin-left: 2px; }
.drawing-head .dh-plat { margin-left: auto; font-size: 12.5px; font-weight: 600; color: var(--accent); background: var(--accent-soft); border-radius: 99px; padding: 5px 14px; }
.drawing-body { padding: 26px; background: #fff; }
.drawing-body img { width: 100%; height: auto; display: block; border-radius: 10px; }
.drawing-legend { display: flex; gap: 10px; flex-wrap: wrap; padding: 0 26px 24px; }
.drawing-legend .dl-item { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); background: #f7f8fa; border: 1px solid var(--line); border-radius: 9px; padding: 8px 14px; }
.drawing-legend .dl-item b { color: var(--ink); font-variant-numeric: tabular-nums; }
.drawing-note { padding: 15px 24px; font-size: 12.5px; color: var(--muted); background: #fafbfc; border-top: 1px solid var(--line); display: flex; gap: 9px; align-items: flex-start; }

/* 产品分页器 */
.pager { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 44px; }
.pager button, .pager a { min-width: 38px; height: 38px; padding: 0 13px; border-radius: 10px; border: 1.5px solid var(--line); background: #fff; color: var(--ink); font-size: 14px; font-family: inherit; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; text-decoration: none; transition: .2s; font-variant-numeric: tabular-nums; }
.pager button:hover:not(:disabled), .pager a:hover { border-color: var(--accent); color: var(--accent); }
.pager button.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.pager button:disabled { opacity: .38; cursor: not-allowed; }
.pager .pg-info { font-size: 13.5px; color: var(--muted); margin: 0 8px; }

/* ══════════ 返回顶部 ══════════ */
.to-top { position: fixed; right: 26px; bottom: 26px; width: 44px; height: 44px; border-radius: 50%; background: var(--accent); color: #fff; border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; box-shadow: 0 12px 26px -8px rgba(4,38,160,.5); opacity: 0; pointer-events: none; transition: .3s; z-index: 90; }
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { transform: translateY(-3px); }

/* ══════════ 滚动动画 ══════════ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; } .reveal.d2 { transition-delay: .2s; } .reveal.d3 { transition-delay: .3s; }

/* ══════════ 响应式 ══════════ */
@media (max-width: 960px) {
  .hero-grid, .about-grid, .contact-grid, .app-detail, .pd-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 120px; }
  .page-hero { padding: 132px 0 60px; }
  .pd-gallery { position: static; }
  .prod-grid { grid-template-columns: repeat(3, 1fr); }
  .prod-grid.cols-4 { grid-template-columns: repeat(3, 1fr); }
  .apps-grid.narrow { max-width: none; }
  .bearing-stage { margin-top: 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 36px; }
  .series-grid, .apps-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid.cols-2 { grid-template-columns: 1fr; }
  .f-grid { grid-template-columns: 1fr 1fr; }
  .flow-grid { grid-template-columns: repeat(3, 1fr); }
  .promise-grid { grid-template-columns: 1fr; }
  .nav-links, .nav-tel span { display: none; }
  .nav-toggle { display: block; }
}
@media (max-width: 580px) {
  section { padding: 64px 0; }
  .series-grid, .apps-grid, .process-grid, .news-grid, .f-row, .f-grid, .value-cards, .flow-grid { grid-template-columns: 1fr; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .prod-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .apps-grid.narrow { grid-template-columns: 1fr; }
  .prod-name { font-size: 15px; }
  .cat-tab { padding: 11px 18px; }
  .dim { display: none; }
}

/* ══════════ 走进文砾 · 实拍图与证书 ══════════ */
/* 生产能力轮播：大图放大展示，两侧露出预览 */
/* 外层负责裁掉溢出，箭头定位在容器内侧，避免撑破移动端视口 */
.cap-wrap { position: relative; margin-top: 40px; }
.capSwiper { width: 100%; padding: 0 0 4px; overflow: hidden; }
.capSwiper .swiper-slide { height: auto; }
.cap-slide {
  position: relative; margin: 0;
  border-radius: var(--radius); overflow: hidden;
  background: #eceff3;
  aspect-ratio: 16 / 9;
}
.cap-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cap-slide figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 68px 34px 28px;
  background: linear-gradient(180deg, rgba(8,11,18,0) 0%, rgba(8,11,18,.82) 100%);
  color: #fff;
}
.cap-slide figcaption h4 { font-size: clamp(17px, 1.7vw, 22px); margin-bottom: 6px; letter-spacing: .01em; }
.cap-slide figcaption span { font-size: clamp(12.5px, 1.1vw, 14px); color: rgba(255,255,255,.8); }
/* 生产能力轮播箭头（容器内侧，避免撑破视口） */
/* 生产能力 · 四个能力文本框紧凑化 */
.apps-grid.cap-compact { gap: 14px; }
.apps-grid.cap-compact .app-card { padding: 16px 18px; gap: 13px; align-items: center; }
.apps-grid.cap-compact .app-card .app-ico { flex: 0 0 40px; width: 40px; height: 40px; }
.apps-grid.cap-compact .app-card .app-ico svg { width: 19px; height: 19px; }
.apps-grid.cap-compact .app-card h3 { font-size: 14.5px; }
.apps-grid.cap-compact .app-card p { font-size: 12.5px; margin-top: 3px; line-height: 1.55; }
@media (max-width: 900px) {
  .about-hero-panel .ah-card { padding: 26px 22px; }
}
.cap-arrow {
  width: 46px; height: 46px; border-radius: 50%;
  background: #fff; box-shadow: 0 8px 26px -8px rgba(14,19,26,.42);
  color: var(--ink); margin-top: 0; top: 50%;
  transition: .25s;
}
.cap-arrow::after { font-size: 14px; font-weight: 700; }
.cap-arrow:hover { background: var(--accent); color: #fff; }
.capSwiper .swiper-button-prev.cap-arrow { left: 14px; }
.capSwiper .swiper-button-next.cap-arrow { right: 14px; }

/* 证书网格 */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cert-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .3s; cursor: zoom-in; }
.cert-card:hover { transform: translateY(-5px); box-shadow: 0 24px 48px -22px rgba(14,19,26,.28); }
.cert-card .cc-img { position: relative; background: #f4f6f8; overflow: hidden; }
.cert-card .cc-img img { width: 100%; height: 330px; object-fit: cover; object-position: top center; display: block; transition: transform .5s; }
.cert-card:hover .cc-img img { transform: scale(1.03); }
.cert-card .cc-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(244,246,248,0) 62%, rgba(244,246,248,.92) 100%); }
.cert-card .cc-body { padding: 18px 20px 20px; }
.cert-card .cc-body h4 { font-size: 15px; margin-bottom: 5px; }
.cert-card .cc-body .cc-sub { font-size: 12.5px; color: var(--muted); }
.cert-card .cc-badge { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 600; color: #0a7a45; background: #e8f7ee; border-radius: 99px; padding: 4px 11px; margin-bottom: 10px; }

/* 环境图集 */
.env-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.env-card { border-radius: var(--radius); overflow: hidden; position: relative; background: #eceff3; min-height: 240px; }
.env-card img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s cubic-bezier(.2,.7,.3,1); }
.env-card:hover img { transform: scale(1.05); }
.env-card .ev-txt { position: absolute; left: 0; right: 0; bottom: 0; padding: 24px 22px 20px; background: linear-gradient(180deg, rgba(10,13,18,0) 0%, rgba(10,13,18,.8) 100%); color: #fff; }
.env-card .ev-txt h4 { font-size: 16px; margin-bottom: 4px; }
.env-card .ev-txt p { font-size: 13px; color: rgba(255,255,255,.75); }

/* 灯箱 */
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(8,10,14,.92); display: none; align-items: center; justify-content: center; padding: 40px; cursor: zoom-out; }
.lightbox.on { display: flex; }
.lightbox img { max-width: 100%; max-height: 100%; border-radius: 10px; box-shadow: 0 40px 90px -30px rgba(0,0,0,.8); }
.lightbox .lb-close { position: absolute; top: 24px; right: 28px; width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(255,255,255,.3); background: rgba(255,255,255,.1); color: #fff; font-size: 20px; cursor: pointer; display: flex; align-items: center; justify-content: center; }

@media (max-width: 960px) {
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .env-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-card .cc-img img { height: 280px; }
  .cap-slide figcaption { padding: 48px 24px 22px; }
  .capSwiper .swiper-button-prev.cap-arrow { left: 4px; }
  .capSwiper .swiper-button-next.cap-arrow { right: 4px; }
}
@media (max-width: 580px) {
  .cert-grid, .env-grid { grid-template-columns: 1fr; }
  .cert-card .cc-img img { height: 240px; }
  .env-card { min-height: 200px; }
  .cap-slide figcaption { padding: 40px 18px 18px; }
}

/* 轮播移动端微调 */
@media (max-width: 1400px) {
  .appSwiper .swiper-button-prev, .certSwiper .swiper-button-prev { left: 6px; }
  .appSwiper .swiper-button-next, .certSwiper .swiper-button-next { right: 6px; }
}
@media (max-width: 700px) {
  .appSwiper .swiper-button-prev, .certSwiper .swiper-button-prev { left: -6px; }
  .appSwiper .swiper-button-next, .certSwiper .swiper-button-next { right: -6px; }
  .app-arrow, .cert-arrow { width: 38px; height: 38px; }
  .app-arrow::after, .cert-arrow::after { font-size: 13px; }
  .app-slide-body { padding: 16px 18px 20px; }
  .app-slide-body h3 { font-size: 17px; }
  .app-slide-body p { font-size: 13px; }
  .cert-tip { font-size: 12.5px; margin-top: 20px; }
}

/* ═══════════════ 第 1 屏 · 首屏轮播（宣传图 + 公司简介） ═══════════════ */
.hero-promo{
  position:relative; overflow:hidden;
  background:linear-gradient(180deg,#ffffff 0%,#f3f7ff 100%);
}
.heroSwiper{width:100%;}
.hp-slide{
  position:relative; box-sizing:border-box;
  display:flex; flex-direction:column; justify-content:center;
  min-height:100vh; padding:120px 0 90px;
}
.hp-slide .hp-waves{position:absolute; inset:0; width:100%; height:100%; z-index:0;}
.hp-slide-about{background:linear-gradient(180deg,#f3f7ff 0%,#ffffff 100%);}
.hp-slide-about .stats{border-top:none; padding:34px 0 44px;}
.hp-slide-about .about-grid{margin-top:clamp(28px,4vw,52px);}
.hp-dots{position:absolute; left:0; right:0; bottom:24px; z-index:6; display:flex; justify-content:center; gap:8px;}
.hp-dots .swiper-pagination-bullet{width:9px; height:9px; background:#0426a0; opacity:.22; transition:.2s;}
.hp-dots .swiper-pagination-bullet-active{opacity:1; width:26px; border-radius:6px; background:var(--accent);}
.hp-waves{position:absolute; inset:0; width:100%; height:100%; z-index:0;}
.hp-inner{position:relative; z-index:1; display:flex; align-items:center; gap:40px; justify-content:space-between;}
.hp-text{flex:1 1 540px; max-width:620px;}
.hp-eyebrow{display:inline-block; font-size:13px; letter-spacing:2px; font-weight:700; color:var(--accent); margin-bottom:18px;}
.hp-text h1{font-size:clamp(30px,4.4vw,56px); line-height:1.18; font-weight:900; color:#11203f; letter-spacing:-.5px;}
.hp-text h1 em{font-style:normal; color:var(--accent);}
.hp-sub{margin:22px 0 30px; font-size:16px; color:#5b6678; line-height:1.8;}
.hp-cta{display:flex; gap:14px; flex-wrap:wrap;}
.hp-tags{list-style:none; display:flex; flex-wrap:wrap; gap:10px; margin:30px 0 0; padding:0;}
.hp-tags li{font-size:13px; color:#3a4660; background:#eef3fb; border:1px solid #dde6f5; padding:7px 14px; border-radius:999px;}
.hp-art{flex:0 0 420px; max-width:42vw; position:relative;}
.hp-art svg{width:100%; height:auto; filter:drop-shadow(0 24px 50px rgba(10,59,181,.18));}
.hp-badge{position:absolute; right:-6px; bottom:6px; background:var(--accent); color:#fff; font-size:13px; font-weight:700; line-height:1.5; padding:12px 16px; border-radius:12px; box-shadow:0 12px 28px rgba(10,59,181,.3);}
.hp-scroll{position:absolute; left:50%; bottom:58px; transform:translateX(-50%); z-index:6; color:var(--accent); opacity:.7; animation:bob 1.8s ease-in-out infinite;}
.hp-scroll:hover{opacity:1;}
@keyframes bob{0%,100%{transform:translate(-50%,0);}50%{transform:translate(-50%,8px);}}
@media (max-width:900px){
  .hp-slide{min-height:auto; padding:110px 0 80px;}
  .hp-slide-about{padding:70px 0 80px;}
  .hp-inner{flex-direction:column-reverse; text-align:center; gap:24px;}
  .hp-text{max-width:100%;}
  .hp-cta,.hp-tags{justify-content:center;}
  .hp-art{flex-basis:300px; max-width:78vw;}
  .hp-slide-about .stats{padding:24px 0 30px;}
  .hp-slide-about .about-grid{margin-top:34px;}
}
/* 第 5 屏视频轮播 */
.video-stage { padding: 24px 0 56px; }
.video-stage .sec-head { max-width: 780px; margin-bottom: 24px; }
.video-stage .sec-head p { margin-top: 8px; font-size: 15.5px; }
.video-stage .process-grid { margin-bottom: 22px; }
.vcSwiper{margin-top:0; border-radius:18px; overflow:hidden; box-shadow:0 18px 50px rgba(17,32,63,.14); background:#0b1430;}
.vc-video{position:relative; padding-top:42%; background:#0b1430;}
.vc-video video{position:absolute; inset:0; width:100%; height:100%; object-fit:cover; background:#0b1430;}
.vc-cap{position:absolute; left:0; right:0; bottom:0; padding:26px 28px 22px; background:linear-gradient(0deg,rgba(8,16,40,.86),rgba(8,16,40,0)); color:#fff;}
.vc-cap h3{font-size:19px; margin:0 0 4px;}
.vc-cap p{font-size:13.5px; margin:0; color:#c7d2ea;}
.vc-arrow{position:absolute; top:50%; transform:translateY(-50%); z-index:5; width:48px; height:48px; border-radius:50%; background:rgba(255,255,255,.9); color:#0b1430; display:flex; align-items:center; justify-content:center; cursor:pointer; box-shadow:0 6px 18px rgba(0,0,0,.25); transition:.2s;}
.vc-arrow:hover{background:#fff;}
.vc-prev{left:16px;} .vc-next{right:16px;}
.vc-dots{position:absolute; left:0; right:0; bottom:14px; z-index:5; display:flex; justify-content:center; gap:8px;}
.vc-dots .swiper-pagination-bullet{width:9px; height:9px; background:#fff; opacity:.5; transition:.2s;}
.vc-dots .swiper-pagination-bullet-active{opacity:1; width:26px; border-radius:6px; background:var(--accent);}
@media (max-width:700px){
  .vc-video{padding-top:62%;}
  .vc-arrow{width:40px; height:40px;}
  .vc-prev{left:8px;} .vc-next{right:8px;}
  .vc-cap{padding:16px 16px 14px;} .vc-cap h3{font-size:16px;}
}
/* 视频自定义播放按钮 */
.vc-play{position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); z-index:6; width:74px; height:74px; border:none; border-radius:50%; background:rgba(10,59,181,.92); color:#fff; display:flex; align-items:center; justify-content:center; cursor:pointer; box-shadow:0 10px 30px rgba(0,0,0,.35); transition:.2s;}
.vc-play svg{width:34px; height:34px; margin-left:4px;}
.vc-play:hover{background:var(--accent); transform:translate(-50%,-50%) scale(1.08);}
.vc-play.is-hide,.vc-video.is-playing .vc-play{opacity:0; pointer-events:none;}

/* ═══════════════ 服务支持 · 下载列表 ═══════════════ */
.dl-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:36px;}
.dl-card{display:flex; align-items:center; justify-content:space-between; gap:18px; background:#fff; border:1px solid #e7ecf5; border-radius:14px; padding:26px 26px; box-shadow:0 6px 22px rgba(17,32,63,.06); transition:.25s;}
.dl-card:hover{transform:translateY(-4px); box-shadow:0 16px 38px rgba(10,59,181,.12); border-color:#c9d8f5;}
.dl-info h3{margin:0 0 6px; font-size:17px; color:var(--accent); font-weight:800;}
.dl-info p{margin:0; font-size:13px; color:#7a849a; line-height:1.6;}
.dl-btn{flex-shrink:0; display:inline-flex; align-items:center; gap:7px; padding:10px 22px; border:1.5px solid var(--accent); color:var(--accent); border-radius:999px; font-size:14px; font-weight:700; text-decoration:none; transition:.2s; background:#fff;}
.dl-btn:hover{background:var(--accent); color:#fff;}
.dl-btn svg{flex-shrink:0;}
@media (max-width:900px){
  .dl-grid{grid-template-columns:1fr; gap:14px;}
  .dl-card{padding:18px 20px;}
}

/* ═══ 联系我们 · 微信二维码卡片 ═══ */
.qr-cards { margin-top: 26px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.qr-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 20px 14px 16px; text-align: center; transition: transform .3s, box-shadow .3s; }
.qr-card:hover { transform: translateY(-4px); box-shadow: 0 18px 36px -18px rgba(4,38,160,.25); }
.qr-card img { width: 112px; height: 112px; object-fit: contain; border-radius: 10px; border: 1px solid var(--line); background: #fff; }
.qr-card .qr-t { font-size: 14.5px; font-weight: 700; color: var(--ink); margin-top: 12px; }
.qr-card .qr-s { font-size: 12px; color: var(--muted); margin-top: 3px; }
@media (max-width: 560px) { .qr-cards { grid-template-columns: 1fr 1fr; gap: 10px; } .qr-card img { width: 88px; height: 88px; } }

/* ═══ 联系我们 · 腾讯地图 ═══ */
.map-frame { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: 0 24px 48px -24px rgba(10,18,48,.25); background: #e8ecf1; }
.map-frame #wlmap { height: 440px; }
@media (max-width: 640px) { .map-frame #wlmap { height: 320px; } }
.map-tip { text-align: center; margin-top: 14px; font-size: 12.5px; color: var(--muted); }
.map-tip a { color: var(--accent); font-weight: 600; text-decoration: none; }
.map-tip a:hover { text-decoration: underline; }

/* ═══════════════ 新闻资讯 · 大图卡片 ═══════════════ */
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.news-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.news-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: .3s; text-decoration: none; color: var(--ink); }
.news-card:hover { transform: translateY(-6px); box-shadow: 0 24px 44px -22px rgba(14,19,26,.25); }

/* 封面：大图完整显示，不加遮罩与角标 */
.news-cover { position: relative; display: flex; align-items: center; justify-content: center; color: #fff; overflow: hidden; height: 190px; min-height: 190px; }
.news-cover.has-img { padding: 0; background: #fff; }
.news-cover.has-img img { width: 100%; height: 100%; object-fit: contain; display: block; transition: transform .55s cubic-bezier(.4,0,.2,1); }
.news-card:hover .news-cover.has-img img { transform: scale(1.04); }
.news-cover .nc-ico { opacity: .9; transition: .4s; }
.news-card:hover .nc-ico { transform: scale(1.15); }

.news-body { padding: 20px 22px 24px; flex: 1; display: flex; flex-direction: column; }
.news-body h3 { font-size: 16.5px; line-height: 1.55; font-weight: 700; color: var(--accent); }
.news-body .n-date { margin-top: auto; padding-top: 14px; font-size: 14.5px; font-weight: 600; color: var(--ink); letter-spacing: .02em; }
.news-body .n-sum { font-size: 13px; color: var(--muted); margin-top: 8px; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-body .n-more { margin-top: 12px; font-size: 13px; color: var(--accent); font-weight: 600; }

@media (max-width: 1200px) {
  .news-grid, .news-grid.cols-4 { grid-template-columns: repeat(3, 1fr); gap: 22px; }
}
@media (max-width: 860px) {
  .news-grid, .news-grid.cols-4 { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .news-cover { height: 170px; min-height: 170px; }
}
@media (max-width: 580px) {
  .news-grid, .news-grid.cols-4 { grid-template-columns: 1fr; }
  .news-cover { height: 210px; min-height: 210px; }
}

/* ═══════════════ 产品展示 · 型号搜索栏 ═══════════════ */
.prod-search { display: flex; flex-direction: column; align-items: center; margin: -16px 0 30px; }
.prod-search .ps-box { display: flex; align-items: stretch; width: min(620px, 100%); }
.prod-search input { flex: 1; min-width: 0; border: 1px solid #dfe3ea; border-right: none; border-radius: 10px 0 0 10px; background: #fff; padding: 14px 20px; font-size: 15px; font-family: inherit; color: var(--ink); outline: none; transition: border-color .22s, box-shadow .22s; }
.prod-search input::placeholder { color: #a6adba; }
.prod-search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.prod-search #prodSearchBtn { display: inline-flex; align-items: center; gap: 7px; padding: 0 34px; border: none; border-radius: 0 10px 10px 0; background: var(--accent); color: #fff; font-size: 15.5px; font-weight: 600; font-family: inherit; cursor: pointer; transition: .22s; white-space: nowrap; }
.prod-search #prodSearchBtn:hover { background: var(--accent-deep); }
.prod-search #prodSearchBtn:active { transform: scale(.97); }
.prod-search #prodSearchClear { display: none; align-items: center; justify-content: center; width: 44px; flex: none; border: 1px solid #dfe3ea; border-left: none; background: #fff; color: var(--ink-3); cursor: pointer; transition: .2s; }
.prod-search #prodSearchClear:hover { color: #e5484d; }
/* 有清空按钮时，收窄输入框右半径避免重叠观感 */
.prod-search.has-kw .ps-box input { border-radius: 10px 0 0 10px; }
.prod-search .ps-hint { margin-top: 12px; font-size: 13px; color: var(--muted); text-align: center; }
@media (max-width: 580px) {
  .prod-search { margin: -10px 0 26px; }
  .prod-search .ps-box { width: 100%; }
  .prod-search input { padding: 13px 16px; font-size: 14px; }
  .prod-search #prodSearchBtn { padding: 0 22px; font-size: 14.5px; }
  .prod-search #prodSearchClear { width: 40px; }
}

/* ═══════════════ 留言表单 · 提交状态提示 ═══════════════ */
.form-tip { margin-top: 10px; font-size: 13.5px; line-height: 1.6; text-align: center; min-height: 0; }
.form-tip:empty { display: none; }
form:invalid { outline: none; }