/* ============================================================
   苏州奎源精密科技 官网 · 科技风设计系统 V2
   深空蓝 × 电光青 | 网格/光效/玻璃拟态 | 全站动效
   ============================================================ */
:root {
  --primary: #0a6cff;
  --primary-2: #00b3ff;
  --cyan: #00e0ff;
  --deep: #050f1f;
  --deep-2: #0a1e3c;
  --ink: #0c1f38;
  --text: #43536b;
  --muted: #7d8ca3;
  --line: #e2eaf5;
  --bg: #f4f8fd;
  --white: #fff;
  --grad: linear-gradient(120deg, #0a6cff, #00b3ff 55%, #00e0ff);
  --radius: 14px;
  --shadow: 0 10px 30px rgba(10, 60, 140, .08);
  --shadow-lg: 0 24px 60px rgba(10, 60, 140, .16);
  --glow: 0 10px 36px rgba(0, 150, 255, .35);
  --font: "PingFang SC", "Microsoft YaHei", "Source Han Sans CN", system-ui, -apple-system, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); font-size: 15px; line-height: 1.75; background: var(--white); overflow-x: clip; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
::selection { background: var(--primary); color: #fff; }

.container { width: min(1200px, 92%); margin: 0 auto; }

/* ---------- SVG 图标 ---------- */
.icon { width: 1.2em; height: 1.2em; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vertical-align: -0.22em; flex: none; }
.icon-lg { width: 1.7em; height: 1.7em; }
.icon-xl { width: 2.1em; height: 2.1em; }

/* ---------- 顶条 ---------- */
.topbar { background: var(--deep); color: #9db8d8; font-size: 12.5px; position: relative; z-index: 20; }
.topbar::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(0, 224, 255, .5), transparent); }
.topbar .container { display: flex; justify-content: space-between; align-items: center; height: 36px; gap: 14px; }
.topbar a:hover { color: var(--cyan); }
.topbar .tb-right { display: flex; gap: 26px; }
.topbar .icon { width: 14px; height: 14px; }

/* ---------- 头部 ---------- */
.site-header { background: rgba(255, 255, 255, .88); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); position: sticky; top: 0; z-index: 1000; transition: box-shadow .3s, background .3s; border-bottom: 1px solid rgba(226, 234, 245, .8); }
.site-header.scrolled { box-shadow: 0 6px 26px rgba(10, 46, 82, .1); background: rgba(255, 255, 255, .96); }
.header-main { display: flex; align-items: center; justify-content: space-between; height: 78px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 12px; flex: none; }
.logo img { height: 46px; width: auto; transition: transform .4s; }
.logo:hover img { transform: scale(1.05) rotate(-2deg); }
.logo .logo-text { line-height: 1.3; }
.logo .logo-text .cn { font-size: 21px; font-weight: 800; color: var(--ink); letter-spacing: 1px; }
.logo .logo-text .cn i { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.logo .logo-text .en { font-size: 10.5px; color: var(--muted); letter-spacing: 2.6px; }

.main-nav { display: flex; gap: 6px; }
.main-nav a { padding: 9px 14px; font-size: 15.5px; font-weight: 500; color: var(--ink); border-radius: 999px; transition: all .3s cubic-bezier(.4, 0, .2, 1); position: relative; white-space: nowrap; }
.main-nav a::after { content: ""; position: absolute; left: 50%; bottom: 2px; width: 0; height: 2px; border-radius: 2px; background: var(--grad); transform: translateX(-50%); transition: width .3s; }
.main-nav a:hover { color: var(--primary); }
.main-nav a:hover::after { width: 55%; }
.main-nav a.active { color: #fff; background: var(--grad); box-shadow: 0 6px 18px rgba(10, 108, 255, .35); }
.main-nav a.active::after { display: none; }

.header-tel { display: flex; align-items: center; gap: 12px; color: var(--ink); flex: none; }
.header-tel .tel-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--grad); color: #fff; display: grid; place-items: center; box-shadow: var(--glow); }
.header-tel .tel-num { font-size: 17.5px; font-weight: 800; letter-spacing: .4px; background: linear-gradient(120deg, #0a6cff, #00b3ff); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.header-tel .tel-label { font-size: 11px; color: var(--muted); letter-spacing: 1px; }

.menu-btn { display: none; width: 44px; height: 44px; border-radius: 10px; position: relative; z-index: 1002; }
.menu-btn span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px auto; transition: .35s cubic-bezier(.4, 0, .2, 1); border-radius: 2px; }
.menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 内页 Hero ---------- */
.page-hero { background: linear-gradient(130deg, var(--deep) 0%, var(--deep-2) 60%, #0d3a7a 100%); color: #fff; padding: 70px 0 64px; position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(120, 190, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(120, 190, 255, .06) 1px, transparent 1px); background-size: 44px 44px; mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 75%); -webkit-mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 75%); }
.page-hero::after { content: ""; position: absolute; right: -140px; top: -140px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(0, 200, 255, .25), transparent 65%); filter: blur(10px); animation: floatOrb 9s ease-in-out infinite alternate; }
.page-hero .container { position: relative; z-index: 2; }
.page-hero .ph-kicker { display: inline-flex; align-items: center; gap: 10px; font-size: 12.5px; letter-spacing: 5px; color: var(--cyan); margin-bottom: 12px; font-weight: 600; text-transform: uppercase; }
.page-hero .ph-kicker::before { content: ""; width: 26px; height: 1.5px; background: linear-gradient(90deg, var(--cyan), transparent); }
.page-hero h1 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; letter-spacing: 1px; }
.page-hero .ph-crumb { margin-top: 16px; font-size: 13px; color: #8fb0d6; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.page-hero .ph-crumb a:hover { color: var(--cyan); }

/* ---------- 首页 Hero 轮播 ---------- */
.hero-slider { position: relative; height: min(88vh, 700px); min-height: 540px; overflow: hidden; background: var(--deep); }
.hero-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 1.1s ease, visibility 1.1s; }
.hero-slide.on { opacity: 1; visibility: visible; }
.hero-slide .bg { position: absolute; inset: -6%; background-size: cover; background-position: center; transform: scale(1.08); transition: transform 8s ease; }
.hero-slide.on .bg { transform: scale(1); }
.hero-slide .mask { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(4, 12, 26, .92) 10%, rgba(6, 22, 48, .68) 52%, rgba(8, 40, 90, .3)); }
.hero-slide .grid-overlay { position: absolute; inset: 0; background-image: linear-gradient(rgba(110, 190, 255, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(110, 190, 255, .07) 1px, transparent 1px); background-size: 52px 52px; mask-image: linear-gradient(100deg, #000 15%, transparent 70%); -webkit-mask-image: linear-gradient(100deg, #000 15%, transparent 70%); }
.hero-slide .orb { position: absolute; border-radius: 50%; filter: blur(60px); pointer-events: none; }
.hero-slide .orb-1 { width: 460px; height: 460px; right: 6%; top: -18%; background: radial-gradient(circle, rgba(0, 190, 255, .28), transparent 65%); animation: floatOrb 10s ease-in-out infinite alternate; }
.hero-slide .orb-2 { width: 340px; height: 340px; right: 24%; bottom: -22%; background: radial-gradient(circle, rgba(10, 108, 255, .3), transparent 65%); animation: floatOrb 13s ease-in-out infinite alternate-reverse; }
@keyframes floatOrb { from { transform: translate(0, 0) scale(1); } to { transform: translate(-46px, 34px) scale(1.12); } }

.hero-slide .caption { position: relative; z-index: 3; height: 100%; display: flex; flex-direction: column; justify-content: center; color: #fff; }
.hero-slide .caption > * { opacity: 0; }
.hero-slide.on .caption > * { animation: heroUp .9s cubic-bezier(.2, .7, .3, 1) forwards; }
.hero-slide.on .caption > *:nth-child(1) { animation-delay: .15s; }
.hero-slide.on .caption > *:nth-child(2) { animation-delay: .3s; }
.hero-slide.on .caption > *:nth-child(3) { animation-delay: .5s; }
.hero-slide.on .caption > *:nth-child(4) { animation-delay: .7s; }
@keyframes heroUp { from { opacity: 0; transform: translateY(34px); } to { opacity: 1; transform: translateY(0); } }

.hero-slide .caption .sub { display: inline-flex; align-items: center; gap: 12px; align-self: flex-start; font-size: 13px; letter-spacing: 5px; color: var(--cyan); font-weight: 600; padding: 7px 18px; border: 1px solid rgba(0, 224, 255, .35); border-radius: 999px; background: rgba(0, 224, 255, .06); backdrop-filter: blur(6px); margin-bottom: 22px; }
.hero-slide .caption .sub::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--cyan); } 50% { opacity: .45; box-shadow: 0 0 20px var(--cyan); } }
.hero-slide .caption h2 { font-size: clamp(30px, 4.8vw, 54px); font-weight: 800; letter-spacing: 2px; line-height: 1.28; margin-bottom: 20px; }
.hero-slide .caption h2 em { font-style: normal; background: linear-gradient(100deg, #4dd8ff, #00e0ff 40%, #7cf); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-slide .caption p { font-size: clamp(14px, 1.5vw, 17px); color: #bad5f0; max-width: 620px; }
.hero-slide .caption .hero-btns { margin-top: 38px; display: flex; gap: 16px; flex-wrap: wrap; }

/* 按钮 */
.btn { display: inline-flex; align-items: center; gap: 9px; padding: 13px 32px; border-radius: 999px; font-size: 15px; font-weight: 600; transition: all .35s cubic-bezier(.4, 0, .2, 1); position: relative; overflow: hidden; }
.btn .icon { transition: transform .3s; }
.btn:hover .icon { transform: translateX(4px); }
.btn-primary { background: var(--grad); background-size: 160% auto; color: #fff; box-shadow: 0 8px 26px rgba(0, 130, 255, .4); }
.btn-primary:hover { background-position: right center; transform: translateY(-3px); box-shadow: 0 14px 34px rgba(0, 150, 255, .5); }
.btn-primary::after, .btn-white::after { content: ""; position: absolute; top: 0; left: -80%; width: 45%; height: 100%; background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .5), transparent); transform: skewX(-24deg); transition: left .55s ease; }
.btn-primary:hover::after, .btn-white:hover::after { left: 130%; }
.btn-ghost { border: 1px solid rgba(255, 255, 255, .5); color: #fff; backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .9); transform: translateY(-3px); }
.btn-white { background: #fff; color: var(--primary); box-shadow: 0 10px 30px rgba(0, 60, 140, .25); }
.btn-white:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(0, 80, 180, .35); }
.btn-outline { border: 1.5px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-3px); box-shadow: var(--glow); }

/* 轮播指示器 */
.hero-dots { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 5; }
.hero-dots button { width: 30px; height: 4px; border-radius: 4px; background: rgba(255, 255, 255, .3); transition: .35s; overflow: hidden; position: relative; }
.hero-dots button.on { background: rgba(255, 255, 255, .25); width: 52px; }
.hero-dots button.on::after { content: ""; position: absolute; inset: 0; border-radius: 4px; background: linear-gradient(90deg, var(--primary-2), var(--cyan)); animation: dotFill 5.5s linear forwards; }
@keyframes dotFill { from { transform: scaleX(0); transform-origin: left; } to { transform: scaleX(1); transform-origin: left; } }

/* 滚动提示 */
.scroll-hint { position: absolute; bottom: 26px; right: 6%; z-index: 5; width: 24px; height: 40px; border: 1.5px solid rgba(255, 255, 255, .5); border-radius: 14px; display: none; }
.scroll-hint::before { content: ""; position: absolute; left: 50%; top: 7px; width: 3px; height: 8px; border-radius: 3px; background: var(--cyan); transform: translateX(-50%); animation: wheel 1.8s ease-in-out infinite; }
@keyframes wheel { 0% { opacity: 1; transform: translate(-50%, 0); } 70% { opacity: 0; transform: translate(-50%, 14px); } 100% { opacity: 0; } }
@media (min-width: 1100px) { .scroll-hint { display: block; } }

/* ---------- 通用版块 ---------- */
.section { padding: clamp(60px, 8vw, 96px) 0; position: relative; }
.section.bg-gray { background: var(--bg); }
.section.section-dark { background: linear-gradient(160deg, var(--deep), #071a35 55%, #0a2c5e); color: #c6d9ef; overflow: hidden; }
.section.section-dark::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(110, 190, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(110, 190, 255, .05) 1px, transparent 1px); background-size: 48px 48px; mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 80%); -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 80%); }

.sec-head { text-align: center; max-width: 660px; margin: 0 auto clamp(36px, 5vw, 56px); position: relative; z-index: 2; }
.sec-head .kicker { display: inline-flex; align-items: center; gap: 10px; color: var(--primary); font-size: 12.5px; letter-spacing: 4px; font-weight: 700; margin-bottom: 12px; text-transform: uppercase; }
.section-dark .sec-head .kicker { color: var(--cyan); }
.sec-head .kicker::before, .sec-head .kicker::after { content: ""; width: 28px; height: 1.5px; background: currentColor; opacity: .5; }
.sec-head h2 { font-size: clamp(24px, 3.2vw, 34px); color: var(--ink); font-weight: 800; letter-spacing: 1.5px; }
.section-dark .sec-head h2 { color: #fff; }
.sec-head h2 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.sec-head .bar { width: 0; height: 3.5px; border-radius: 4px; background: var(--grad); margin: 16px auto 0; transition: width 1s cubic-bezier(.2, .7, .3, 1) .2s; }
.sec-head.in .bar { width: 64px; }
.sec-head p { margin-top: 14px; color: var(--muted); font-size: 14.5px; }
.section-dark .sec-head p { color: #8fb0d6; }
.sec-head.left { text-align: left; margin-left: 0; }
.sec-head.left .kicker::before { display: none; }
.sec-head.left .bar { margin-left: 0; }

/* 滚动渐入动效（JS 加 .in） */
.js .reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s cubic-bezier(.2, .7, .3, 1), transform .8s cubic-bezier(.2, .7, .3, 1); transition-delay: var(--d, 0s); will-change: opacity, transform; }
.js .reveal.in { opacity: 1; transform: none; }
.js .reveal-zoom { opacity: 0; transform: scale(.94); transition: opacity .8s ease, transform .8s cubic-bezier(.2, .7, .3, 1); transition-delay: var(--d, 0s); }
.js .reveal-zoom.in { opacity: 1; transform: none; }
.js .reveal-left { opacity: 0; transform: translateX(-36px); transition: opacity .8s ease, transform .8s cubic-bezier(.2, .7, .3, 1); transition-delay: var(--d, 0s); }
.js .reveal-left.in { opacity: 1; transform: none; }
.js .reveal-right { opacity: 0; transform: translateX(36px); transition: opacity .8s ease, transform .8s cubic-bezier(.2, .7, .3, 1); transition-delay: var(--d, 0s); }
.js .reveal-right.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal, .js .reveal-zoom, .js .reveal-left, .js .reveal-right { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: .001s !important; }
}

/* ---------- 产品卡片（科技风） ---------- */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(226px, 1fr)); gap: 26px; position: relative; z-index: 2; }
.product-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform .4s cubic-bezier(.2, .7, .3, 1), box-shadow .4s, border-color .4s; position: relative; display: block; }
.product-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; border-radius: 3px 3px 0 0; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .45s cubic-bezier(.2, .7, .3, 1); z-index: 2; }
.product-card:hover { transform: translateY(-9px); box-shadow: 0 26px 54px rgba(8, 70, 160, .18); border-color: rgba(0, 179, 255, .45); }
.product-card:hover::before { transform: scaleX(1); }
.product-card .pic { aspect-ratio: 4/3; background: radial-gradient(ellipse at 50% 40%, #10233f, #0a1526 75%); display: grid; place-items: center; overflow: hidden; position: relative; }
.product-card .pic::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(90, 180, 255, .09) 1px, transparent 1px), linear-gradient(90deg, rgba(90, 180, 255, .09) 1px, transparent 1px); background-size: 26px 26px; }
.product-card .pic::after { content: ""; position: absolute; width: 150px; height: 150px; border-radius: 50%; background: radial-gradient(circle, rgba(0, 190, 255, .22), transparent 65%); filter: blur(12px); top: -30px; right: -30px; transition: transform .5s; }
.product-card:hover .pic::after { transform: scale(1.35); }
.product-card .pic img { width: 84%; height: 84%; object-fit: contain; position: relative; z-index: 2; transition: transform .5s cubic-bezier(.2, .7, .3, 1); filter: drop-shadow(0 10px 18px rgba(0, 0, 0, .5)); }
.product-card:hover .pic img { transform: scale(1.08) rotate(-1.5deg); }
.product-card .info { padding: 16px 16px 20px; text-align: center; background: #fff; position: relative; }
.product-card .cat { display: inline-block; font-size: 11.5px; color: var(--primary); background: rgba(10, 108, 255, .08); border: 1px solid rgba(10, 108, 255, .18); padding: 2px 12px; border-radius: 999px; margin-bottom: 8px; }
.product-card h3 { font-size: 16.5px; color: var(--ink); font-weight: 700; }
.product-card .desc { font-size: 12.8px; color: var(--muted); margin-top: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- 关于区块 ---------- */
.about-split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.about-split .pic-wrap { position: relative; }
.about-split .pic-wrap::before { content: ""; position: absolute; inset: 18px -18px -18px 18px; border-radius: 18px; background: var(--grad); opacity: .16; }
.about-split .pic-wrap .main-pic { position: relative; border-radius: 16px; box-shadow: var(--shadow-lg); aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.about-split .pic-wrap .float-card { position: absolute; left: -26px; bottom: -28px; background: rgba(255, 255, 255, .92); backdrop-filter: blur(14px); border: 1px solid rgba(255, 255, 255, .8); border-radius: 14px; box-shadow: var(--shadow-lg); padding: 16px 24px; display: flex; gap: 14px; align-items: center; }
.about-split .pic-wrap .float-card .big { font-size: 30px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.about-split .pic-wrap .float-card .tip { font-size: 12.5px; color: var(--muted); line-height: 1.45; }
.about-points { margin-top: 28px; display: grid; gap: 16px; }
.about-points .pt { display: flex; gap: 16px; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: all .35s; }
.about-points .pt:hover { border-color: rgba(0, 179, 255, .5); box-shadow: 0 14px 34px rgba(8, 70, 160, .1); transform: translateX(6px); }
.about-points .pt .ico { flex: none; width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(135deg, rgba(10, 108, 255, .1), rgba(0, 224, 255, .12)); color: var(--primary); display: grid; place-items: center; }
.about-points .pt b { display: block; color: var(--ink); font-size: 15.5px; }
.about-points .pt p { font-size: 13.8px; color: var(--muted); }

/* ---------- 应用领域（深色科技卡） ---------- */
.field-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; position: relative; z-index: 2; }
.field-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 10px 24px; text-align: center; transition: all .4s cubic-bezier(.2, .7, .3, 1); position: relative; overflow: hidden; }
.field-item::before { content: ""; position: absolute; inset: 0; background: linear-gradient(160deg, var(--deep), #0d2c5c); opacity: 0; transition: opacity .4s; }
.field-item .fi { position: relative; z-index: 2; width: 58px; height: 58px; margin: 0 auto 14px; border-radius: 14px; display: grid; place-items: center; color: var(--primary); background: rgba(10, 108, 255, .08); transition: all .4s; }
.field-item .fi .icon { width: 27px; height: 27px; }
.field-item span { position: relative; z-index: 2; font-size: 14.5px; color: var(--ink); font-weight: 600; transition: color .4s; }
.field-item:hover { transform: translateY(-8px); box-shadow: 0 22px 44px rgba(8, 70, 160, .2); border-color: transparent; }
.field-item:hover::before { opacity: 1; }
.field-item:hover .fi { background: rgba(0, 224, 255, .14); color: var(--cyan); transform: rotate(-6deg) scale(1.08); box-shadow: 0 0 24px rgba(0, 224, 255, .3); }
.field-item:hover span { color: #fff; }

/* ---------- 视频区（深色） ---------- */
.video-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; position: relative; z-index: 2; }
.video-card { background: rgba(255, 255, 255, .045); border: 1px solid rgba(140, 200, 255, .16); border-radius: 16px; overflow: hidden; backdrop-filter: blur(8px); transition: all .4s cubic-bezier(.2, .7, .3, 1); }
.video-card:hover { transform: translateY(-7px); border-color: rgba(0, 224, 255, .45); box-shadow: 0 26px 60px rgba(0, 60, 140, .4); }
.video-card video { width: 100%; aspect-ratio: 16/9; background: #040c1a; display: block; }
.video-card .vc-body { padding: 22px 26px 26px; }
.video-card h3 { color: #fff; font-size: 18px; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.video-card h3 .icon { color: var(--cyan); }
.video-card p { font-size: 14px; color: #9db8d8; }

/* ---------- 新闻 ---------- */
.news-list { display: grid; gap: 22px; position: relative; z-index: 2; }
.news-item { display: grid; grid-template-columns: 250px 1fr; gap: 26px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; transition: all .4s cubic-bezier(.2, .7, .3, 1); position: relative; overflow: hidden; }
.news-item::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3.5px; background: var(--grad); transform: scaleY(0); transform-origin: top; transition: transform .4s; }
.news-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
.news-item:hover::before { transform: scaleY(1); }
.news-item .pic { border-radius: 10px; overflow: hidden; aspect-ratio: 16/10; background: var(--bg); }
.news-item .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.news-item:hover .pic img { transform: scale(1.07); }
.news-item .meta { display: flex; gap: 12px; align-items: center; font-size: 12.5px; color: var(--muted); }
.news-item .meta .tag { color: var(--primary); background: rgba(10, 108, 255, .08); border: 1px solid rgba(10, 108, 255, .18); padding: 1px 12px; border-radius: 999px; }
.news-item h3 { font-size: 18px; color: var(--ink); margin: 8px 0; font-weight: 700; transition: color .3s; }
.news-item:hover h3 { color: var(--primary); }
.news-item p { font-size: 14px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-item .date { color: #a8b8c8; font-size: 12.5px; }

/* ---------- CTA ---------- */
.cta-band { background: linear-gradient(120deg, var(--deep) 0%, #0a2c5e 60%, #0d48a0 100%); color: #fff; padding: clamp(48px, 6vw, 68px) 0; position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(110, 190, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(110, 190, 255, .06) 1px, transparent 1px); background-size: 42px 42px; }
.cta-band .orb { position: absolute; border-radius: 50%; filter: blur(54px); }
.cta-band .orb-1 { width: 320px; height: 320px; left: 8%; top: -40%; background: radial-gradient(circle, rgba(0, 190, 255, .3), transparent 65%); animation: floatOrb 11s ease-in-out infinite alternate; }
.cta-band .orb-2 { width: 260px; height: 260px; right: 10%; bottom: -60%; background: radial-gradient(circle, rgba(10, 108, 255, .4), transparent 65%); animation: floatOrb 9s ease-in-out infinite alternate-reverse; }
.cta-band .container { display: flex; justify-content: space-between; align-items: center; gap: 30px; position: relative; z-index: 2; flex-wrap: wrap; }
.cta-band h2 { font-size: clamp(22px, 2.8vw, 30px); letter-spacing: 1px; }
.cta-band h2 em { font-style: normal; background: linear-gradient(100deg, #4dd8ff, #00e0ff); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.cta-band p { color: #9db8d8; margin-top: 8px; font-size: 14.5px; }

/* ---------- 页脚 ---------- */
.site-footer { background: linear-gradient(180deg, var(--deep-2), var(--deep)); color: #93aecb; font-size: 13.5px; position: relative; }
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(0, 224, 255, .55), transparent); }
.footer-top { display: grid; grid-template-columns: 1.3fr .7fr 1.25fr .8fr; gap: 46px; padding: 62px 0 48px; }
.footer-top h4 { color: #fff; font-size: 15.5px; margin-bottom: 20px; letter-spacing: 1px; display: flex; align-items: center; gap: 10px; }
.footer-top h4::before { content: ""; width: 16px; height: 2px; border-radius: 2px; background: var(--grad); }
.footer-top .f-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-top .f-logo img { height: 42px; background: #fff; border-radius: 9px; padding: 5px; }
.footer-top .f-logo .t { color: #fff; font-size: 17px; font-weight: 700; line-height: 1.35; }
.footer-top .f-logo .t small { display: block; font-size: 10px; color: #6d8db2; font-weight: 400; letter-spacing: 2px; }
.footer-links li { margin-bottom: 11px; }
.footer-links a { display: inline-flex; align-items: center; gap: 8px; transition: .3s; }
.footer-links a .icon { width: 13px; height: 13px; opacity: 0; transform: translateX(-6px); transition: .3s; }
.footer-links a:hover { color: var(--cyan); }
.footer-links a:hover .icon { opacity: 1; transform: none; }
.footer-contact li { display: flex; gap: 12px; margin-bottom: 13px; line-height: 1.65; }
.footer-contact .ic { color: var(--cyan); flex: none; margin-top: 3px; }
.footer-qrc { text-align: center; }
.footer-qrc img { width: 118px; border-radius: 12px; margin: 0 auto 10px; border: 1px solid rgba(255, 255, 255, .22); padding: 5px; transition: .3s; }
.footer-qrc:hover img { box-shadow: 0 0 30px rgba(0, 224, 255, .35); border-color: rgba(0, 224, 255, .5); }
.footer-qrc p { font-size: 12px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 18px 0; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: 12.5px; color: #6d8db2; }
.footer-bottom a:hover { color: var(--cyan); }

/* ---------- 面包屑 ---------- */
.crumbs-bar { background: #fff; border-bottom: 1px solid var(--line); padding: 14px 0; font-size: 13px; color: var(--muted); }
.crumbs-bar a { color: var(--muted); }
.crumbs-bar a:hover { color: var(--primary); }

/* ---------- 筛选 ---------- */
.filter-bar { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: 46px; position: relative; z-index: 2; }
.filter-bar button { padding: 10px 26px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--ink); font-size: 14px; font-weight: 500; transition: all .3s cubic-bezier(.4, 0, .2, 1); }
.filter-bar button:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.filter-bar button.on { background: var(--grad); border-color: transparent; color: #fff; box-shadow: 0 8px 22px rgba(10, 108, 255, .35); }

/* ---------- 产品详情 ---------- */
.product-detail { display: grid; grid-template-columns: minmax(300px, 460px) 1fr; gap: 54px; align-items: start; }
.product-detail .pd-pic { background: radial-gradient(ellipse at 50% 40%, #12253f, #0a1526 78%); border-radius: 18px; padding: 38px; border: 1px solid rgba(0, 179, 255, .2); position: relative; overflow: hidden; }
.product-detail .pd-pic::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(90, 180, 255, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(90, 180, 255, .08) 1px, transparent 1px); background-size: 30px 30px; }
.product-detail .pd-pic::after { content: ""; position: absolute; width: 210px; height: 210px; border-radius: 50%; background: radial-gradient(circle, rgba(0, 190, 255, .22), transparent 66%); filter: blur(14px); top: -50px; right: -50px; }
.product-detail .pd-pic img { width: 100%; object-fit: contain; position: relative; z-index: 2; filter: drop-shadow(0 14px 26px rgba(0, 0, 0, .55)); transition: transform .5s; }
.product-detail .pd-pic:hover img { transform: scale(1.04); }
.product-detail .pd-cat { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--primary); background: rgba(10, 108, 255, .08); border: 1px solid rgba(10, 108, 255, .2); padding: 4px 16px; border-radius: 999px; margin-bottom: 14px; }
.product-detail h1 { font-size: clamp(24px, 3vw, 32px); color: var(--ink); font-weight: 800; margin-bottom: 16px; }
.product-detail .pd-desc { font-size: 15px; color: var(--text); line-height: 2; }
.pd-specs { margin: 24px 0; display: grid; gap: 12px; }
.pd-specs .sp { display: flex; gap: 12px; align-items: baseline; font-size: 14.2px; padding: 10px 16px; background: var(--bg); border-radius: 10px; border: 1px solid var(--line); transition: .3s; }
.pd-specs .sp::before { content: ""; flex: none; width: 7px; height: 7px; border-radius: 3px; background: var(--grad); transform: translateY(-1px) rotate(45deg); box-shadow: 0 0 8px rgba(0, 179, 255, .6); }
.pd-specs .sp:hover { border-color: rgba(0, 179, 255, .5); transform: translateX(6px); background: #fff; }
.pd-actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.pd-nav { display: flex; justify-content: space-between; gap: 20px; margin-top: 60px; padding-top: 26px; border-top: 1px solid var(--line); }
.pd-nav a { color: var(--muted); font-size: 14px; transition: .3s; }
.pd-nav a:hover { color: var(--primary); }
.pd-nav b { color: var(--ink); }

/* ---------- 新闻详情 ---------- */
.article { max-width: 860px; margin: 0 auto; }
.article-head { text-align: center; padding: 36px 0 28px; border-bottom: 1px solid var(--line); }
.article-head h1 { font-size: clamp(21px, 2.8vw, 28px); color: var(--ink); line-height: 1.55; margin-bottom: 16px; }
.article-head .meta { display: flex; justify-content: center; gap: 22px; color: var(--muted); font-size: 13px; }
.article-head .meta span { display: inline-flex; align-items: center; gap: 7px; }
.article-body { padding: 38px 6px 20px; }
.article-body p { font-size: 15.5px; color: #37475a; line-height: 2.1; margin-bottom: 18px; text-align: justify; }
.article-body figure { margin: 28px auto; text-align: center; }
.article-body figure img { max-width: 100%; max-height: 640px; width: auto; margin: 0 auto; border-radius: 10px; box-shadow: var(--shadow); }
.article-nav { display: flex; justify-content: space-between; gap: 20px; max-width: 860px; margin: 44px auto 0; padding-top: 24px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.article-nav a { font-size: 14px; color: var(--muted); }
.article-nav a:hover { color: var(--primary); }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-bottom: 60px; }
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 38px 26px; text-align: center; transition: all .4s cubic-bezier(.2, .7, .3, 1); position: relative; overflow: hidden; }
.contact-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(160deg, rgba(10, 108, 255, .05), rgba(0, 224, 255, .07)); opacity: 0; transition: opacity .4s; }
.contact-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); border-color: rgba(0, 179, 255, .45); }
.contact-card:hover::before { opacity: 1; }
.contact-card .ci { width: 66px; height: 66px; margin: 0 auto 18px; border-radius: 18px; background: var(--grad); color: #fff; display: grid; place-items: center; box-shadow: var(--glow); position: relative; transition: transform .4s; }
.contact-card:hover .ci { transform: rotate(-8deg) scale(1.1); }
.contact-card .ci .icon { width: 28px; height: 28px; }
.contact-card h3 { color: var(--ink); font-size: 17px; margin-bottom: 8px; position: relative; }
.contact-card p { font-size: 14.5px; position: relative; }
.contact-card p small { display: block; color: var(--muted); margin-top: 4px; }

/* ---------- 关于页 ---------- */
.about-page-section { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-page-section .pic { position: relative; }
.about-page-section .pic::before { content: ""; position: absolute; inset: 16px -16px -16px 16px; border-radius: 16px; background: var(--grad); opacity: .15; }
.about-page-section .pic img { border-radius: 15px; box-shadow: var(--shadow-lg); width: 100%; object-fit: cover; aspect-ratio: 4/3; position: relative; }
.about-page-section h2 { font-size: clamp(21px, 2.6vw, 27px); color: var(--ink); margin: 10px 0 18px; }
.about-page-section p { margin-bottom: 14px; }
.vision-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; position: relative; z-index: 2; }
.vision-card { background: #fff; border-radius: 18px; border: 1px solid var(--line); padding: 38px; position: relative; overflow: hidden; transition: all .4s; }
.vision-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3.5px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .45s; }
.vision-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.vision-card:hover::before { transform: scaleX(1); }
.vision-card .vi { width: 58px; height: 58px; border-radius: 15px; background: linear-gradient(135deg, rgba(10, 108, 255, .1), rgba(0, 224, 255, .13)); color: var(--primary); display: grid; place-items: center; margin-bottom: 18px; }
.vision-card .vi .icon { width: 27px; height: 27px; }
.vision-card h3 { font-size: 18px; color: var(--ink); margin-bottom: 10px; }
.vision-card p { font-size: 14.5px; }

/* ---------- 加载进度条 ---------- */
/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .field-grid { grid-template-columns: repeat(3, 1fr); }
  .about-split, .about-page-section { grid-template-columns: 1fr; gap: 44px; }
  .about-split .pic-wrap .float-card { left: 14px; bottom: -24px; }
  .product-detail { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 38px; }
  .stat:nth-child(2)::after { display: none; }
  .stat:nth-child(1)::after, .stat:nth-child(3)::after { display: block; }
}
@media (max-width: 860px) {
  .topbar .tb-right { display: none; }
  .header-tel { display: none; }
  .menu-btn { display: block; }
  .main-nav { position: fixed; top: 0; right: 0; bottom: 0; width: min(320px, 84vw); background: linear-gradient(180deg, #fff, #f4f9ff); flex-direction: column; padding: 110px 8% 30px; gap: 8px; box-shadow: -22px 0 60px rgba(5, 30, 70, .2); transform: translateX(105%); transition: transform .45s cubic-bezier(.2, .7, .3, 1); z-index: 1001; }
  .main-nav.open { transform: none; }
  .main-nav a { padding: 14px 18px; font-size: 16.5px; border-radius: 12px; }
  .main-nav a::after { display: none; }
  .hero-slider { height: auto; min-height: 0; padding: 96px 0 120px; }
  .hero-slide { position: absolute; }
  .hero-slide .caption .sub { font-size: 11.5px; letter-spacing: 3px; padding: 6px 14px; }
  .hero-slide .caption .hero-btns { gap: 12px; }
  .btn { padding: 12px 26px; font-size: 14px; }
  .hero-dots { bottom: 92px; }
  .scroll-hint { display: none !important; }
  .stat { padding: 22px 10px; }
  .video-grid { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr; }
  .news-item .pic { aspect-ratio: 16/8; }
  .contact-grid { grid-template-columns: 1fr; }
  .vision-cards { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; padding: 48px 0 34px; }
  .cta-band .container { flex-direction: column; text-align: center; }
  .section { padding: 56px 0; }
  .article-body { padding: 30px 2px 10px; }
  .pd-nav, .article-nav { flex-direction: column; gap: 10px; }
}
@media (max-width: 560px) {
  .field-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .field-item { padding: 20px 6px 18px; }
  .field-item .fi { width: 48px; height: 48px; }
  .field-item .fi .icon { width: 22px; height: 22px; }
  .logo .logo-text .cn { font-size: 17px; }
  .logo img { height: 38px; }
  .header-main { height: 66px; }
  .main-nav { padding-top: 92px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .product-card .desc { display: none; }
  .product-card h3 { font-size: 14px; }
  .footer-bottom { justify-content: center; text-align: center; }
}

/* 触屏设备禁用 hover 位移类效果，避免粘滞 */
@media (hover: none) {
  .product-card:hover, .news-item:hover, .video-card:hover, .field-item:hover { transform: none; }
}

/* ============================================================
   V2.1 增强 · 页脚重设计 + 科技动效加强
   ============================================================ */

/* ---------- 粒子画布 ---------- */
.particle-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2; pointer-events: none; }
.hero-slider .particle-canvas { z-index: 2; }
.section-dark .particle-canvas { z-index: 1; }

/* ---------- Hero 鼠标光晕 ---------- */
.hero-glow { position: absolute; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle, rgba(0, 190, 255, .16), transparent 62%); filter: blur(28px); pointer-events: none; z-index: 2; transform: translate(-50%, -50%); left: 50%; top: 40%; opacity: 0; transition: opacity .6s; }
.hero-slider:hover .hero-glow { opacity: 1; }

/* ---------- 打字机光标 ---------- */
.sub .type-cursor { display: inline-block; width: 1.5px; height: 12px; background: var(--cyan); margin-left: 3px; vertical-align: -1px; animation: blink .8s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Hero 扫描线 ---------- */
.hero-scanline { position: absolute; left: 0; right: 0; height: 1.5px; z-index: 2; background: linear-gradient(90deg, transparent, rgba(0, 224, 255, .85), transparent); box-shadow: 0 0 18px rgba(0, 224, 255, .8); animation: scanY 7s cubic-bezier(.4, 0, .6, 1) infinite; pointer-events: none; }
@keyframes scanY { 0%, 62% { top: -2%; opacity: 0; } 64% { opacity: 1; } 96% { top: 102%; opacity: 1; } 100% { top: 102%; opacity: 0; } }

/* ---------- 文字模糊入场增强 ---------- */
.hero-slide .caption > * { filter: blur(6px); }
.hero-slide.on .caption > * { animation-name: heroUpBlur; }
@keyframes heroUpBlur { from { opacity: 0; transform: translateY(30px); filter: blur(8px); } to { opacity: 1; transform: translateY(0); filter: blur(0); } }

/* ---------- 3D Tilt 与光标高光 ---------- */
@media (hover: hover) and (pointer: fine) {
  .product-card, .video-card { transform-style: preserve-3d; will-change: transform; }
  .product-card.tilt { transition: transform .16s ease-out, box-shadow .4s, border-color .4s; }
  .product-card .info, .video-card .vc-body { transform: translateZ(24px); }
  .spotlight { position: relative; }
  .spotlight::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(0, 210, 255, .12), transparent 42%); opacity: 0; transition: opacity .35s; pointer-events: none; }
  .spotlight:hover::after { opacity: 1; }
}

/* ---------- 视频卡旋转流光边框 ---------- */
.video-card { position: relative; }
.video-card::before { content: ""; position: absolute; inset: -1.5px; border-radius: 17px; padding: 1.5px; background: conic-gradient(from var(--va, 0deg), transparent 0 78%, rgba(0, 224, 255, .95) 88%, transparent 100%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite: exclude; opacity: 0; transition: opacity .4s; animation: borderSpin 3.2s linear infinite; pointer-events: none; z-index: 3; }
.video-card:hover::before { opacity: 1; }
@property --va { syntax: '<angle>'; initial-value: 0deg; inherits: false; }
@keyframes borderSpin { to { --va: 360deg; } }

/* ---------- 深色区扫描带 ---------- */

/* ---------- 数字完成闪光 ---------- */
.stat.flash .num { animation: numFlash .7s ease; }
@keyframes numFlash { 0% { filter: brightness(1); } 35% { filter: brightness(1.9) drop-shadow(0 0 22px rgba(0, 220, 255, .8)); } 100% { filter: brightness(1); } }

/* ---------- 图片揭示（clip 展开） ---------- */
.js .reveal-zoom { transform: scale(1); clip-path: inset(14% 8% 14% 8% round 16px); opacity: 0; }
.js .reveal-zoom.in { opacity: 1; clip-path: inset(0 0 0 0 round 0); transition: opacity .7s ease, clip-path 1s cubic-bezier(.2, .7, .3, 1); transition-delay: var(--d, 0s); }

/* ============================================================
   页脚 V2 · 重设计
   ============================================================ */
.site-footer { overflow: hidden; }
.footer-top { grid-template-columns: 1.25fr .65fr 1.2fr .72fr; gap: 44px; padding: 64px 0 46px; }
.f-col { min-width: 0; }
.f-brand p { font-size: 13px; line-height: 1.9; color: #8aa6c6; }
.f-nav { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 4px; }
.f-nav a { display: inline-flex; align-items: center; gap: 6px; padding: 6px 15px; border-radius: 999px; font-size: 13px; color: #b9cee6; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); transition: all .3s; }
.f-nav a:hover { color: #fff; border-color: rgba(0, 224, 255, .55); background: rgba(0, 200, 255, .12); box-shadow: 0 0 18px rgba(0, 200, 255, .25); transform: translateY(-2px); }
.f-qrc { background: rgba(255, 255, 255, .04); border: 1px solid rgba(140, 200, 255, .16); border-radius: 16px; padding: 18px 18px 14px; text-align: center; backdrop-filter: blur(6px); }
.f-qrc img { width: 106px; border-radius: 10px; margin: 0 auto 10px; border: 1px solid rgba(255, 255, 255, .25); padding: 4px; background: #fff; transition: .35s; }
.f-qrc:hover img { box-shadow: 0 0 32px rgba(0, 224, 255, .45); transform: scale(1.04); }
.f-qrc p { font-size: 12.5px; color: #b9cee6; }
.footer-contact li { align-items: flex-start; }
.footer-contact .txt { padding-left: 2px; }
.footer-bottom { padding: 20px 0; }
.footer-fx { display: flex; gap: 10px; align-items: center; }

@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 860px) {
  .footer-top { grid-template-columns: 1fr; gap: 0; padding: 46px 0 10px; }
  .f-brand { padding-bottom: 26px; }
  .f-brand p { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .f-col { padding: 24px 0; border-top: 1px solid rgba(255, 255, 255, .08); }
  .footer-top h4 { margin-bottom: 16px; }
  .f-nav a { padding: 7px 16px; font-size: 13.5px; }
  .footer-contact li { margin-bottom: 11px; font-size: 13px; }
  .footer-contact li .txt { line-height: 1.6; }
  .f-qrc { margin: 24px 0 18px; padding: 16px; display: flex; align-items: center; text-align: left; gap: 18px; }
  .f-qrc img { width: 92px; margin: 0; flex: none; }
  .f-qrc .f-qrc-txt b { display: block; color: #fff; font-size: 14.5px; margin-bottom: 3px; }
  .f-qrc .f-qrc-txt span { font-size: 12px; color: #8aa6c6; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 8px; padding: 16px 0 22px; }
}

/* ============================================================
   V2.2 设计感精修 · 页脚导航网格 / 幽灵大字 / 跑马灯 / 特色大卡
   ============================================================ */

/* ---------- 页脚导航：整齐网格 ---------- */
.f-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 6px; }
.f-nav a { display: flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 8px; border-radius: 12px; font-size: 13px; color: #b9cee6; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); transition: all .3s; text-align: center; }
.f-nav a:hover { color: #fff; border-color: rgba(0, 224, 255, .55); background: rgba(0, 200, 255, .12); box-shadow: 0 0 18px rgba(0, 200, 255, .25); transform: translateY(-2px); }
.f-nav a .icon { width: 12px; height: 12px; opacity: .7; }
@media (min-width: 861px) {
  .f-nav { grid-template-columns: repeat(2, 1fr); }
  .f-nav a:last-child { grid-column: span 2; }
}
@media (max-width: 860px) {
  .f-nav a { font-size: 13.5px; padding: 12px 8px; }
}

/* ---------- 版块幽灵大字水印 ---------- */
.section[data-ghost] { position: relative; }
.section[data-ghost]::before { content: attr(data-ghost); position: absolute; top: 14px; right: 2%; font-size: clamp(56px, 9vw, 132px); font-weight: 900; line-height: 1; letter-spacing: .04em; color: rgba(13, 45, 90, .032); user-select: none; pointer-events: none; z-index: 0; white-space: nowrap; }
.section.section-dark[data-ghost]::before { color: rgba(120, 200, 255, .04); }
.page-hero[data-ghost]::after { content: none; }
.page-hero .ph-ghost { position: absolute; right: 2%; bottom: -22px; font-size: clamp(64px, 10vw, 150px); font-weight: 900; line-height: 1; color: rgba(255, 255, 255, .045); user-select: none; pointer-events: none; letter-spacing: .03em; }
.section .container { position: relative; z-index: 2; }

/* ---------- 亮色版块渐变背景 + 角落色块 ---------- */
.section.bg-gray { background: linear-gradient(180deg, #f8fbff 0%, #edf4fc 46%, #f7fbff 100%); }
.section.bg-gray::after { content: ""; position: absolute; width: 460px; height: 460px; border-radius: 50%; right: -160px; bottom: -200px; background: radial-gradient(circle, rgba(0, 150, 255, .09), transparent 65%); filter: blur(30px); pointer-events: none; }
.section.bg-gray + .section:not(.bg-gray)::before { z-index: 0; }

/* ---------- 产品特色大卡（首页不对称布局） ---------- */
/* ---------- 新闻特色大卡（首页） ---------- */
.news-list.featured-news { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.news-item.featured { grid-column: span 2; grid-template-columns: 1.15fr 1fr; padding: 22px; }
.news-item.featured .pic { aspect-ratio: 16/9.5; }
.news-item.featured h3 { font-size: 21px; }
.news-item.featured p { -webkit-line-clamp: 3; font-size: 14.5px; }
.news-item.featured .meta .tag { font-size: 13px; }
@media (max-width: 860px) {
  .news-list.featured-news { grid-template-columns: 1fr; }
  .news-item.featured { grid-column: auto; grid-template-columns: 1fr; }
}

/* ---------- 序号标签 ---------- */
.sec-index { font-size: 13px; font-weight: 500; color: #9db2c8; letter-spacing: .35em; margin-bottom: 10px; font-variant-numeric: tabular-nums; }

.sec-head.left .sec-index { margin-bottom: 12px; }

/* ---------- 标题层级加强 ---------- */
.sec-head h2 { letter-spacing: .02em; }
.sec-head .kicker { letter-spacing: 5px; }

/* ---------- 页脚品牌区装饰线 ---------- */
.f-brand .f-logo { position: relative; padding-bottom: 16px; margin-bottom: 16px; }
.f-brand .f-logo::after { content: ""; position: absolute; left: 0; bottom: 0; width: 56px; height: 2.5px; border-radius: 3px; background: linear-gradient(90deg, #0a6cff, #00e0ff); box-shadow: 0 0 12px rgba(0, 200, 255, .5); }

/* ============================================================
   V2.3 修复：手机轮播 / 手机页脚导航 / PC特色大卡横向布局
   ============================================================ */

/* ---------- 手机端轮播精修 ---------- */
@media (max-width: 860px) {
  .hero-slider { height: 76vh; min-height: 520px; max-height: 640px; padding: 0; }
  .hero-slide .caption { justify-content: center; }
  .hero-slide .caption .sub { font-size: 11px; letter-spacing: 2.5px; padding: 6px 13px; gap: 8px; margin-bottom: 18px; }
  .hero-slide .caption h2 { margin-bottom: 14px; }
  .hero-slide .caption p { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; font-size: 13.8px; line-height: 1.85; }
  .hero-slide .caption .hero-btns { margin-top: 26px; gap: 11px; }
  .hero-slide .caption .hero-btns .btn { flex: 1 1 44%; justify-content: center; padding: 12px 14px; font-size: 13.8px; }
  .hero-dots { bottom: 124px; gap: 8px; }
  .hero-dots button { width: 22px; }
  .hero-dots button.on { width: 40px; }
  .hero-slide .orb-1 { width: 280px; height: 280px; right: -18%; top: -12%; }
  .hero-slide .orb-2 { width: 220px; height: 220px; right: 6%; bottom: -14%; }
  .hero-slide .grid-overlay { background-size: 34px 34px; }
}

/* ---------- 手机端页脚快捷导航：双列文字列表（干净大方） ---------- */
@media (max-width: 860px) {
  .f-nav { grid-template-columns: 1fr 1fr; gap: 0 20px; margin-top: 0; }
  .f-nav a { justify-content: flex-start; background: none; border: none; border-bottom: 1px solid rgba(255, 255, 255, .08); border-radius: 0; padding: 13px 2px; font-size: 14px; color: #c4d6ec; box-shadow: none; }
  .f-nav a:hover { transform: none; background: none; color: var(--cyan); box-shadow: none; }
  .f-nav a .icon { width: 13px; height: 13px; opacity: .5; margin-right: 2px; }
  .f-nav a:nth-last-child(2):nth-child(odd) { border-bottom: none; }
  .f-nav a:last-child { border-bottom: none; }
}

/* ============================================================
   V2.4 页脚快捷导航统一重做：竖排列表（两端一致，永不折行）
   ============================================================ */
.f-nav { display: flex; flex-direction: column; margin-top: 2px; }
.f-nav a { display: flex; align-items: center; gap: 10px; padding: 11px 2px; font-size: 13.5px; color: #c4d6ec; background: none; border: none; border-bottom: 1px solid rgba(255, 255, 255, .09); border-radius: 0; white-space: nowrap; transition: color .3s, padding-left .3s; }
.f-nav a:first-child { padding-top: 2px; }
.f-nav a:last-child { border-bottom: none; }
.f-nav a .icon { width: 13px; height: 13px; opacity: .45; color: var(--cyan); transition: opacity .3s, transform .3s; }
.f-nav a:hover { color: #fff; padding-left: 8px; background: none; box-shadow: none; transform: none; }
.f-nav a:hover .icon { opacity: 1; transform: translateX(2px); }

/* ============================================================
   V2.5 页脚响应式彻底修复
   根因：V2.4 追加的全局 .footer-top 4列定义在源码顺序上
   覆盖了 1024/860 断点的 2列/1列规则，导致窄屏列宽崩溃。
   此块置于文件末尾，按断点显式重申列数，恢复正确布局。
   ============================================================ */

/* 桌面 >1024px：4 列 */
@media (min-width: 1025px) {
  .footer-top { grid-template-columns: 1.22fr .8fr 1.18fr .72fr; gap: 44px; }
}

/* 平板 861–1024px：2 列 */
@media (min-width: 861px) and (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 38px 48px; }
  .f-qrc { justify-self: center; max-width: 300px; width: 100%; }
  .f-qrc img { margin: 0 auto; }
}

/* 手机 ≤860px：单列 + 紧凑节奏 */
@media (max-width: 860px) {
  .footer-top { grid-template-columns: 1fr; gap: 0; padding: 44px 0 8px; }
  .f-brand { padding-bottom: 24px; }
  .f-brand p { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .f-col { padding: 22px 0; border-top: 1px solid rgba(255, 255, 255, .08); }
  .footer-top h4 { margin-bottom: 14px; }
  .f-nav a { padding: 12px 2px; font-size: 14px; }
  .footer-contact li { margin-bottom: 11px; font-size: 13px; }
  .footer-contact li .txt { line-height: 1.65; }
  .f-qrc { margin: 22px 0 16px; padding: 16px; display: flex; align-items: center; text-align: left; gap: 18px; }
  .f-qrc img { width: 96px; margin: 0; flex: none; }
  .f-qrc .f-qrc-txt b { display: block; color: #fff; font-size: 14.5px; margin-bottom: 3px; }
  .f-qrc .f-qrc-txt span { font-size: 12px; color: #8aa6c6; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 8px; padding: 16px 0 22px; }
}

/* 防再犯：页脚网格内元素最小宽度保护 */
.footer-top > * { min-width: 0; }

/* ---------- 滚动条与横向溢出最终处理 ---------- */
/* 滚动条完全使用系统默认样式（无任何自定义）；html 层禁止横向滚动（轮播背景外扩不产生横向滚动条） */
html { overflow-x: clip; }

/* ============================================================
   V2.7 页脚快捷导航 · 图标卡片版（PC竖排 / 手机两列）
   ============================================================ */
.f-nav { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.f-nav a { display: flex; align-items: center; gap: 12px; padding: 8px 13px; border-radius: 11px; background: rgba(255, 255, 255, .035); border: 1px solid rgba(255, 255, 255, .07); transition: all .3s cubic-bezier(.4, 0, .2, 1); }
.f-nav a .icon { width: 16px; height: 16px; color: #7fa8d0; transition: all .3s; flex: none; }
.f-nav a .t { display: flex; align-items: baseline; gap: 9px; min-width: 0; }
.f-nav a .t b { font-weight: 500; font-size: 13.5px; color: #c4d6ec; letter-spacing: .05em; transition: color .3s; }
.f-nav a .t em { font-style: normal; font-size: 9px; letter-spacing: 1.8px; color: #5f7fa5; transition: color .3s; }
.f-nav a:hover { background: rgba(0, 200, 255, .08); border-color: rgba(0, 224, 255, .35); transform: translateX(4px); }
.f-nav a:hover .icon { color: var(--cyan); filter: drop-shadow(0 0 6px rgba(0, 224, 255, .55)); }
.f-nav a:hover .t b { color: #fff; }
.f-nav a:hover .t em { color: #9fc3e8; }

@media (max-width: 860px) {
  .f-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 2px; }
  .f-nav a { padding: 12px 12px; }
  .f-nav a .t { flex-direction: column; gap: 1px; }
  .f-nav a .t b { font-size: 13.8px; }
  .f-nav a .t em { display: none; }
  .f-nav a:active { background: rgba(0, 200, 255, .1); }
}


/* ---------- 精密工艺数据版块（亮色版） ---------- */
.prec-band { position: relative; overflow: hidden; }
.prec-band::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(14, 80, 170, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(14, 80, 170, .05) 1px, transparent 1px); background-size: 56px 56px; mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 78%); -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 78%); }
.prec-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; position: relative; z-index: 2; }
.prec-item { text-align: center; padding: 30px 10px 26px; border-radius: 16px; background: #fff; border: 1px solid var(--line); box-shadow: 0 8px 26px rgba(10, 60, 140, .06); transition: all .35s cubic-bezier(.2, .7, .3, 1); position: relative; overflow: hidden; }
.prec-item::before { content: ""; position: absolute; top: 0; left: 12%; right: 12%; height: 2.5px; border-radius: 3px; background: linear-gradient(90deg, transparent, #00b3ff, transparent); }
.prec-item:hover { transform: translateY(-6px); border-color: rgba(0, 179, 255, .45); box-shadow: 0 22px 48px rgba(10, 70, 160, .15); }
.prec-item .pv { font-size: clamp(30px, 3.4vw, 46px); font-weight: 800; line-height: 1.1; background: linear-gradient(125deg, #0a5bd8, #00b3ff 60%, #00d9ff); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-variant-numeric: tabular-nums; }
.prec-item .pv small { font-size: .42em; font-weight: 700; margin-left: 1px; }
.prec-item.plain .pv { -webkit-text-fill-color: #0a6cff; background: none; }
.prec-item .pl { margin-top: 10px; font-size: 15px; color: var(--ink); font-weight: 600; }
.prec-item .pd { margin-top: 4px; font-size: 12px; color: var(--muted); line-height: 1.6; }
@media (max-width: 1024px) { .prec-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) { .prec-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; } .prec-item { padding: 22px 8px 18px; } }

/* ---------- 排版层次系统 ---------- */
body { font-size: 14px; line-height: 1.85; color: #45566b; }
.sec-head .kicker { font-weight: 600; letter-spacing: 7px; font-size: 12px; opacity: .9; }
.sec-head h2 { font-weight: 800; letter-spacing: .06em; }
.sec-head p { font-size: 14px; margin-top: 13px; }
.hero-slide .caption p { font-size: 15.5px; letter-spacing: .04em; }

/* ---------- 版块标题细节 ---------- */
.sec-index { display: inline-flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 500; color: #9fb2c8; letter-spacing: .3em; margin-bottom: 12px; font-variant-numeric: tabular-nums; }
.sec-index::before { content: ""; width: 22px; height: 1.5px; background: linear-gradient(90deg, var(--primary), var(--cyan)); border-radius: 2px; }
.sec-head .bar { height: 3px; width: 52px; border-radius: 4px; }
.sec-head.in .bar { width: 52px; }

/* ---------- 卡片光影系统（三层阴影 + 受光高光边） ---------- */
.product-card, .news-item, .contact-card, .vision-card, .prec-item {
  border-color: rgba(13, 50, 100, .07);
  box-shadow:
    0 1px 2px rgba(10, 40, 90, .04),
    0 8px 24px rgba(10, 50, 120, .07),
    0 24px 56px rgba(10, 50, 120, .05);
}
.product-card::after, .news-item::after, .contact-card::after, .vision-card::after, .prec-item::after {
  content: ""; position: absolute; top: 0; left: 10%; right: 10%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(120, 200, 255, .8), transparent);
  opacity: .6; transition: opacity .4s; pointer-events: none; border-radius: 1px;
}
.product-card:hover, .news-item:hover, .contact-card:hover, .vision-card:hover, .prec-item:hover {
  box-shadow:
    0 2px 4px rgba(10, 40, 90, .05),
    0 16px 36px rgba(10, 60, 140, .12),
    0 40px 80px rgba(10, 60, 140, .1);
}
.product-card:hover::after, .news-item:hover::after, .contact-card:hover::after, .vision-card:hover::after, .prec-item:hover::after { opacity: 1; }

/* 产品展台顶部光带 */
.product-card .pic::before { background-size: 24px 24px; }
.product-card .pic { border-bottom: 1px solid rgba(0, 160, 255, .12); }

/* ---------- 产品卡信息区：左对齐杂志式 ---------- */
.product-card .info { text-align: left; padding: 17px 20px 20px; }
.product-card .cat { margin-bottom: 8px; }
.product-card h3 { font-size: 16.5px; font-weight: 700; }
.product-card .desc { font-size: 12.6px; line-height: 1.7; }

/* ---------- 新闻卡：杂志式大日期 ---------- */
.news-item .date-v { display: flex; flex-direction: column; line-height: 1; margin-left: auto; text-align: right; flex: none; padding-left: 14px; }
.news-item .date-v b { font-size: 30px; font-weight: 800; color: #c3d4e8; letter-spacing: -.02em; font-variant-numeric: tabular-nums; transition: color .3s; }
.news-item .date-v span { font-size: 10.5px; color: #93a7bd; letter-spacing: 1.5px; margin-top: 5px; font-weight: 600; }
.news-item:hover .date-v b { color: var(--primary); }
.news-item .content-zone { display: flex; flex-direction: column; min-width: 0; flex: 1; }

/* ---------- 应用领域图标容器精修 ---------- */
.field-item .fi { background: #fff; border: 1.5px solid rgba(10, 108, 255, .16); box-shadow: inset 0 0 0 3px #fff, inset 0 0 0 4px rgba(0, 200, 255, .1), 0 6px 16px rgba(10, 80, 180, .08); }
.field-item:hover .fi { border-color: rgba(0, 200, 255, .55); }

/* ---------- 导航顶光线 + hero 光带衔接 ---------- */
.site-header::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2.5px; background: linear-gradient(90deg, transparent 4%, var(--primary) 30%, var(--cyan) 50%, var(--primary) 70%, transparent 96%); opacity: .75; z-index: 2; }
.site-header { position: sticky; }

/* ---------- 数据卡精修 ---------- */
.stat .num { letter-spacing: .01em; }

/* ---------- 微调 ---------- */
.section { padding: clamp(64px, 8.5vw, 104px) 0; }
.btn { letter-spacing: .04em; }
.product-detail .pd-specs .sp { box-shadow: 0 1px 2px rgba(10, 40, 90, .04); }
.about-points .pt { box-shadow: 0 1px 2px rgba(10, 40, 90, .03), 0 8px 22px rgba(10, 50, 120, .05); }

/* ============================================================
   V5.0 GHCASA 式排版融合（A 首屏沉浸 / B 导航三段式 /
   C 产品直出 / D 去容器 / E 疏朗节奏）—— 保留亮色与全部动效
   ============================================================ */

/* ---------- A. 首屏：全屏沉浸 + 文字贴左下（杂志封面式） ---------- */
.hero-slider { height: 100vh; min-height: 620px; }
.hero-slide .caption { justify-content: flex-end; align-items: flex-start; padding-bottom: 150px; }
.hero-slide .caption .sub { margin-bottom: 20px; }
.hero-slide .caption h2 { font-size: clamp(34px, 5.2vw, 72px); letter-spacing: 4px; margin-bottom: 18px; }
.hero-slide .caption p { max-width: 560px; }
.hero-slide .caption .hero-btns { margin-top: 34px; }
.hero-dots { bottom: 130px; left: 4%; transform: none; justify-content: flex-start; }
.scroll-hint { bottom: 34px; right: 6%; }
@media (max-width: 860px) {
  .hero-slider { height: 82vh; min-height: 560px; }
  .hero-slide .caption { justify-content: center; padding-bottom: 0; }
  .hero-dots { bottom: 124px; left: 50%; transform: translateX(-50%); justify-content: center; }
}

/* ---------- B. 导航三段式：logo左 / 菜单绝对居中 / 电话+CTA右 ---------- */
.header-main { position: relative; }
.main-nav { position: absolute; left: 50%; transform: translateX(-50%); white-space: nowrap; }
.header-tel { gap: 14px; }
.header-cta { display: inline-flex; align-items: center; gap: 7px; padding: 9px 22px; border-radius: 999px; border: 1.5px solid rgba(10, 108, 255, .45); color: var(--primary); font-size: 13.5px; font-weight: 600; letter-spacing: .05em; transition: all .3s; white-space: nowrap; }
.header-cta:hover { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: 0 8px 20px rgba(10, 108, 255, .3); }
.header-right { display: flex; align-items: center; gap: 20px; flex: none; }
@media (max-width: 1180px) {
  .main-nav { position: static; transform: none; }
}
@media (max-width: 860px) {
  .header-right { display: none; }
}

/* ---------- C. 产品：去容器直出（深色展台保留，文字裸排图下） ---------- */
.product-grid { gap: 34px 28px; }
.product-card { background: none; border: none; box-shadow: none; border-radius: 0; overflow: visible; }
.product-card::before, .product-card::after { display: none; }
.product-card .pic { border-radius: 14px; border: 1px solid rgba(13, 50, 100, .08); box-shadow: 0 1px 2px rgba(10, 40, 90, .04), 0 14px 34px rgba(10, 50, 120, .1); }
.product-card .info { background: none; text-align: left; padding: 16px 4px 0; }
.product-card .cat { display: none; }
.product-card .en { font-size: 10.5px; letter-spacing: 2.6px; color: #9db2c8; font-weight: 600; text-transform: uppercase; }
.product-card h3 { font-size: 17px; margin-top: 5px; }
.product-card .desc { font-size: 12.6px; margin-top: 6px; }
@media (hover: hover) {
  .product-card:hover { transform: none; box-shadow: none; }
  .product-card:hover .pic { box-shadow: 0 2px 4px rgba(10, 40, 90, .05), 0 22px 48px rgba(10, 60, 140, .16); border-color: rgba(0, 179, 255, .4); }
}
@media (max-width: 560px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 22px 14px; }
  .product-card .en { font-size: 9px; letter-spacing: 1.8px; }
  .product-card h3 { font-size: 14.5px; }
}

/* ---------- D. 应用领域去容器 / 关于区简化 ---------- */
.field-grid { gap: 14px; }
.field-item { background: none; border: none; padding: 20px 8px 16px; border-radius: 0; }
.field-item::before { display: none; }
.field-item .fi { width: 50px; height: 50px; border-radius: 13px; }
.field-item .fi .icon { width: 23px; height: 23px; }
.field-item span { font-size: 14px; color: var(--ink); font-weight: 600; }
.field-item:hover { transform: none; box-shadow: none; }
.field-item:hover .fi { transform: translateY(-3px); }
.field-item:hover span { color: var(--ink); }

.about-points .pt { background: none; border: none; padding: 6px 0; box-shadow: none; }
.about-points .pt:hover { transform: none; border-color: transparent; box-shadow: none; }
.about-points .pt .ico { width: 40px; height: 40px; border-radius: 11px; }

/* ---------- E. 疏朗节奏 ---------- */
.section { padding: clamp(76px, 10.5vw, 124px) 0; }
.sec-head { margin-bottom: clamp(40px, 6vw, 64px); }
.about-split { gap: 76px; }
.news-list { gap: 24px; }
.prec-grid { gap: 22px; }

/* ============================================================
   V6.0 对标 GHCASA：图即卡片 / 极简标题 / 导航减重
   ============================================================ */

/* ---------- 产品：整卡深色大图，文字压图左下 ---------- */
.product-card { position: relative; border-radius: 16px; overflow: hidden; background: radial-gradient(ellipse at 50% 38%, #10233f, #0a1526 78%); }
.product-card .pic { position: absolute; inset: 0; border-radius: 0; border: none; box-shadow: none; aspect-ratio: auto; }
.product-card .pic img { width: 86%; height: 86%; margin: auto; position: absolute; inset: 0; filter: drop-shadow(0 14px 26px rgba(0, 0, 0, .5)); }
.product-card .pic::before { opacity: .6; }
.product-card { aspect-ratio: 4/4.6; }
.product-card .onpic { position: absolute; left: 0; right: 0; bottom: 0; z-index: 3; padding: 44px 20px 18px; background: linear-gradient(180deg, transparent, rgba(4, 10, 20, .82)); }
.product-card .onpic .en { font-size: 10px; letter-spacing: 2.8px; color: #7fb8e8; font-weight: 600; text-transform: uppercase; }
.product-card .onpic h3 { color: #fff; font-size: 16.5px; margin-top: 4px; font-weight: 600; letter-spacing: .04em; }
.product-card .info, .product-card .desc, .product-card .cat { display: none; }
.product-card:hover .pic img { transform: scale(1.05); }
.product-card:hover { box-shadow: 0 24px 54px rgba(8, 50, 110, .3); border: none; }

/* ---------- 版块标题：GHCASA 原式极简（英文小字+大标题+副文，无装饰线） ---------- */
.sec-head .kicker::before, .sec-head .kicker::after { display: none; }
.sec-head h2 { font-size: clamp(26px, 3.2vw, 36px); letter-spacing: .12em; }
.sec-head p { color: #8296ab; }
.sec-head .bar, .sec-index { display: none !important; }

/* ---------- 导航减重：细字重 + 下划线 active ---------- */
.main-nav a { font-weight: 400; font-size: 15px; color: #33465c; padding: 9px 18px; }
.main-nav a::after { height: 1.5px; }
.main-nav a.active { background: none; color: var(--ink); box-shadow: none; font-weight: 600; position: relative; }
.main-nav a.active::before { content: ""; position: absolute; left: 50%; transform: translateX(-50%); bottom: 1px; width: 5px; height: 5px; border-radius: 50%; background: var(--primary); }
.site-header::before { opacity: .35; }

/* ---------- 首屏文字再收敛（GHCASA式：更少更精） ---------- */
.hero-slide .caption p { max-width: 480px; font-size: 14.5px; }

/* ---------- 新闻区：图更大字更少 ---------- */
.news-item { padding: 14px; }
.news-item p { -webkit-line-clamp: 2; font-size: 13.5px; }
.news-item h3 { font-size: 17px; }

/* ============================================================
   V7.0 首页质变 · GHCASA 设计参数落地
   衬线标题 / 轻字重大字距 / hero居中 / 单点缀色 / 优雅缓动
   ============================================================ */
:root {
  --font-display: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --accent: #0a6cff;
}

/* ---------- 标题衬线化 + 轻字重 + 大字距 ---------- */
.hero-slide .caption h2 { font-family: var(--font-display); font-weight: 500; letter-spacing: .14em; line-height: 1.4; text-shadow: 0 2px 24px rgba(0, 0, 0, .35); }
.sec-head h2 { font-family: var(--font-display); font-weight: 500; letter-spacing: .12em; }
.sec-head .kicker { font-family: var(--font); font-size: 11px; letter-spacing: .34em; color: var(--accent); font-weight: 500; }
.sec-head p { letter-spacing: .05em; }
.product-card .onpic h3 { font-family: var(--font-display); font-weight: 500; letter-spacing: .1em; font-size: 17px; }
.product-card .onpic .en { letter-spacing: .24em; font-size: 9.5px; }
.news-item h3 { font-family: var(--font-display); font-weight: 500; letter-spacing: .06em; }
.about-page-section h2, .vision-card h3, .contact-card h3 { font-family: var(--font-display); font-weight: 500; letter-spacing: .08em; }
.article-head h1 { font-family: var(--font-display); font-weight: 500; letter-spacing: .04em; }
.page-hero h1 { font-family: var(--font-display); font-weight: 500; letter-spacing: .14em; }
.cta-band h2 { font-family: var(--font-display); font-weight: 500; letter-spacing: .1em; }
.f-qrc-txt b { font-family: var(--font-display); }

/* ---------- Hero：文字居中（GHCASA 式） ---------- */
.hero-slide .caption { justify-content: center; align-items: center; text-align: center; padding-bottom: 96px; }
.hero-slide .caption .sub { align-self: center; }
.hero-slide .caption p { margin-left: auto; margin-right: auto; max-width: 520px; letter-spacing: .06em; }
.hero-slide .caption .hero-btns { justify-content: center; }
.hero-slide .caption h2 { font-size: clamp(32px, 4.6vw, 64px); }
.hero-dots { left: 50%; transform: translateX(-50%); justify-content: center; bottom: 118px; }
.scroll-hint { right: 4%; bottom: 30px; }
@media (max-width: 860px) {
  .hero-slide .caption { padding-bottom: 0; }
  .hero-dots { bottom: 124px; }
}

/* ---------- 数字用 Inter（优雅数字） ---------- */
.stat .num, .prec-item .pv, .news-item .date-v b { font-family: 'Inter', var(--font); }

/* ---------- 产品卡：右上角描边箭头 + 整面遮罩精修 ---------- */
.product-card .pic img { transition: transform 0.8s var(--ease-smooth); }
.product-card .onpic { padding: 56px 22px 22px; background: linear-gradient(180deg, rgba(4,10,20,0) 0%, rgba(4,10,20,.1) 40%, rgba(4,10,20,.78) 100%); }
.product-card .p-arrow { position: absolute; top: 16px; right: 16px; z-index: 4; width: 42px; height: 42px; border: 1px solid rgba(255, 255, 255, .5); border-radius: 10px; display: grid; place-items: center; color: #fff; opacity: 0; transform: translate(-8px, 8px); transition: opacity .4s var(--ease-smooth), transform .4s var(--ease-smooth), background-color .3s, border-color .3s; background: rgba(255,255,255,.06); backdrop-filter: blur(4px); }
.product-card .p-arrow .icon { width: 17px; height: 17px; }
.product-card:hover .p-arrow { opacity: 1; transform: translate(0, 0); background: var(--accent); border-color: var(--accent); }
.product-card:hover { box-shadow: 0 26px 60px rgba(8, 50, 110, .32); }

/* ---------- 缓动与时长统一（GHCASA 参数） ---------- */
.product-card, .news-item, .prec-item, .contact-card, .vision-card, .field-item { transition-duration: .4s; transition-timing-function: var(--ease-smooth); }
.btn { transition: all .4s var(--ease-out-expo); }
.product-card .pic img:hover { transform: scale(1.06); }
.news-item .pic img { transition: transform 0.8s var(--ease-smooth); }

/* ---------- 版块节奏微调（6-8rem 标准） ---------- */
.section { padding: clamp(72px, 9vw, 128px) 0; }

/* ---------- 导航：下划线动画（GHCASA 式金线→蓝线） ---------- */
.main-nav a { font-family: var(--font); font-size: 14.5px; letter-spacing: .1em; color: #2d3f55; }
.main-nav a::after { background: var(--accent); }
.main-nav a.active { color: var(--ink); }
.main-nav a.active::before { display: none; }
.main-nav a.active::after { display: block !important; width: 55% !important; opacity: 1 !important; }

/* ---------- 数据卡标签轻化 ---------- */
.stat .lbl { font-size: 12.5px; letter-spacing: .12em; }

/* ---------- 轮播高度收小（不满屏，GHCASA banner 比例） ---------- */
.hero-slider { height: clamp(500px, 62vh, 660px); min-height: 500px; }
.hero-slide .caption { padding-bottom: 60px; }
.hero-dots { bottom: 84px; }
@media (max-width: 860px) {
  .hero-slider { height: 62vh; min-height: 460px; max-height: 560px; }
  .hero-slide .caption { padding-bottom: 0; }
  .hero-dots { bottom: 110px; }
}

/* ---------- 修复：手机端抽屉菜单被桌面居中规则覆盖（置于末尾强制生效） ---------- */
@media (max-width: 860px) {
  .main-nav { position: fixed !important; top: 0; right: 0; bottom: 0; width: min(320px, 84vw); background: linear-gradient(180deg, #fff, #f2f8ff); flex-direction: column; align-items: stretch; padding: 108px 7% 34px; gap: 6px; box-shadow: -22px 0 60px rgba(5, 30, 70, .22); transform: translateX(105%) !important; transition: transform .45s var(--ease-out-expo); z-index: 1001; }
  .main-nav.open { transform: translateX(0) !important; }
  .main-nav a { padding: 14px 20px; font-size: 16.5px; border-radius: 12px; color: #24374d; letter-spacing: .06em; }
  .main-nav a::after { display: none !important; }
  .main-nav a:hover { background: #eef5fd; }
  .main-nav a.active { color: #fff; background: var(--accent); font-weight: 600; }
  .menu-btn { z-index: 1002; }
}

/* ---------- 修复2：毛玻璃 backdrop-filter 劫持 fixed 定位基准，手机端抽屉被困在导航栏内 → 手机端 header 改纯白去滤镜 ---------- */
@media (max-width: 860px) {
  .site-header { backdrop-filter: none !important; -webkit-backdrop-filter: none !important; background: #fff !important; }
  .site-header.scrolled { box-shadow: 0 6px 22px rgba(10, 46, 82, .1); }
}

/* ---------- 修复手机端两处视觉问题 ---------- */
/* 1) 指示点与悬浮数据卡重叠：上浮幅度收小 + 指示点上移 */
@media (max-width: 860px) {
  .hero-dots { bottom: 138px; }
}
/* 2) 精密数据5项手机端孤行：最后一项通栏 */
@media (max-width: 640px) {
  .prec-grid .prec-item:last-child { grid-column: span 2; }
}

/* ---------- 修复：手机端轮播按钮折行（强制紧凑+禁止换行） ---------- */
@media (max-width: 860px) {
  .hero-slide .caption .hero-btns { gap: 10px; width: 100%; }
  .hero-slide .caption .hero-btns .btn { flex: 1 1 auto; padding: 12px 14px; font-size: 13.5px; letter-spacing: 0; white-space: nowrap; }
  .hero-slide .caption .hero-btns .btn .icon { width: 15px; height: 15px; }
}

/* ---------- 修复：手机端第三屏轮播按钮区混乱（指示点入侵/按钮不齐/文字裁切/数据卡分隔线） ---------- */
@media (max-width: 860px) {
  /* 1) 手机端隐藏轮播指示点（与按钮区混在一起造成"漂浮线+圆点"错觉） */
  .hero-dots { display: none !important; }
  /* 2) 两按钮统一规格：等宽等高、顶部对齐 */
  .hero-slide .caption .hero-btns { align-items: stretch; }
  .hero-slide .caption .hero-btns .btn { flex: 1 1 0; height: 46px; padding: 0 8px; font-size: 13.5px; align-items: center; justify-content: center; box-sizing: border-box; }
  /* 3) 描述限2行防裁切（第三屏长文案） */
  .hero-slide .caption p { -webkit-line-clamp: 2; font-size: 13.5px; line-height: 1.75; }
  .hero-slide .caption { padding-top: 76px; padding-bottom: 30px; }
  /* 4) 数据卡 2×2：去掉竖分隔线（原4列规则在2列下错乱），收紧留白 */
  .stat::after { display: none !important; }
  .stat { padding: 18px 8px 16px; }
}

/* ---------- 修复：数据卡下方光带在手机端(2×2更高+上浮)横穿卡片中部 → 手机端隐藏 ---------- */
@media (max-width: 860px) {
  }

/* ---------- 右侧悬浮联系方式 ---------- */
.float-contact { position: fixed; right: 18px; top: 50%; transform: translateY(-50%); z-index: 950; display: flex; flex-direction: column; gap: 10px; }
.float-contact .fc-item { position: relative; width: 46px; height: 46px; border-radius: 12px; background: #fff; border: 1px solid rgba(13, 50, 100, .1); box-shadow: 0 6px 20px rgba(10, 50, 120, .12); display: grid; place-items: center; color: var(--primary); transition: all .3s; }
.float-contact .fc-item:hover { background: var(--grad); color: #fff; border-color: transparent; transform: translateX(-3px); box-shadow: 0 10px 26px rgba(10, 108, 255, .35); }
.float-contact .fc-item .icon { width: 19px; height: 19px; }
.float-contact .fc-tip { position: absolute; right: calc(100% + 10px); top: 50%; transform: translateY(-50%) translateX(6px); white-space: nowrap; background: #0c2238; color: #fff; font-size: 12.5px; padding: 6px 14px; border-radius: 8px; opacity: 0; visibility: hidden; transition: all .3s; pointer-events: none; }
.float-contact .fc-item:hover .fc-tip { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); }
.float-contact .fc-wechat .fc-pop { position: absolute; right: calc(100% + 12px); top: 50%; transform: translateY(-50%) translateX(8px); background: #fff; border-radius: 12px; box-shadow: 0 16px 40px rgba(10, 50, 120, .22); padding: 12px; text-align: center; opacity: 0; visibility: hidden; transition: all .3s; pointer-events: none; }
.float-contact .fc-wechat .fc-pop img { width: 128px; height: 128px; border-radius: 8px; }
.float-contact .fc-wechat .fc-pop i { display: block; font-style: normal; font-size: 11.5px; color: var(--muted); margin-top: 6px; }
.float-contact .fc-wechat:hover .fc-pop { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); }
/* 手机端：改为右下角横排小条（避开内容） */
@media (max-width: 860px) {
  .float-contact { top: auto; bottom: 18px; transform: none; right: 12px; flex-direction: row; gap: 8px; }
  .float-contact .fc-item { width: 40px; height: 40px; border-radius: 10px; }
  .float-contact .fc-item .fc-tip, .float-contact .fc-wechat .fc-pop { display: none; }
}

/* ---------- 修复：悬浮微信弹窗宽度塌缩导致二维码被压成细条 ---------- */
.float-contact .fc-wechat .fc-pop { width: 156px !important; }
.float-contact .fc-wechat .fc-pop img { width: 128px !important; height: 128px !important; object-fit: contain; margin: 0 auto; max-width: none !important; }

/* ---------- 产品手册模块（产品中心页） ---------- */
.catalog-band { background: linear-gradient(135deg, #f5f9ff, #eaf3fd 55%, #f0f7ff); border: 1px solid rgba(13, 50, 100, .08); border-radius: 22px; padding: 46px 52px; display: flex; gap: 48px; align-items: center; justify-content: center; box-shadow: 0 1px 2px rgba(10, 40, 90, .04), 0 18px 44px rgba(10, 50, 120, .08); margin-top: 58px; position: relative; overflow: hidden; }
.catalog-band::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(14, 80, 170, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(14, 80, 170, .045) 1px, transparent 1px); background-size: 46px 46px; mask-image: radial-gradient(ellipse at 80% 30%, #000 20%, transparent 72%); -webkit-mask-image: radial-gradient(ellipse at 80% 30%, #000 20%, transparent 72%); }
.catalog-band .cat-cover { flex: none; width: 208px; border-radius: 8px; overflow: hidden; box-shadow: 6px 14px 34px rgba(10, 50, 120, .28), 1px 2px 6px rgba(10, 50, 120, .15); transform: perspective(900px) rotateY(-7deg); transition: transform .5s var(--ease-smooth); position: relative; z-index: 2; }
.catalog-band:hover .cat-cover { transform: perspective(900px) rotateY(-3deg) translateY(-4px); }
.catalog-band .cat-cover img { width: 100%; display: block; }
.catalog-band .cat-info { position: relative; z-index: 2; }
.catalog-band .cat-kicker { font-family: var(--font); font-size: 11px; letter-spacing: .32em; color: var(--accent); font-weight: 600; margin-bottom: 10px; }
.catalog-band h3 { font-family: var(--font-display); font-weight: 500; font-size: clamp(22px, 2.6vw, 30px); color: var(--ink); letter-spacing: .1em; }
.catalog-band .cat-sub { font-size: 13px; color: var(--muted); margin: 6px 0 14px; letter-spacing: .06em; }
.catalog-band .cat-desc { font-size: 14px; color: var(--text); line-height: 1.95; max-width: 560px; }
.catalog-band .cat-meta { display: flex; gap: 18px; margin: 16px 0 22px; }
.catalog-band .cat-meta span { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--muted); }
.catalog-band .cat-meta .icon { width: 14px; height: 14px; color: var(--accent); }
@media (max-width: 860px) {
  .catalog-band { flex-direction: column; padding: 34px 24px; gap: 26px; text-align: center; }
  .catalog-band .cat-cover { transform: none; width: 168px; }
  .catalog-band:hover .cat-cover { transform: translateY(-4px); }
  .catalog-band .cat-desc { margin: 0 auto; }
  .catalog-band .cat-meta { justify-content: center; flex-wrap: wrap; }
}

/* ---------- 产品中心：一行5列 ---------- */
@media (min-width: 1025px) {
  .product-grid.grid-5 { grid-template-columns: repeat(5, 1fr); gap: 22px 18px; }
}
@media (min-width: 861px) and (max-width: 1024px) {
  .product-grid.grid-5 { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- 首页：企业宣传片 ---------- */
.video-band { position: relative; border-radius: 22px; overflow: hidden; background: #0b1526; aspect-ratio: 16 / 9; max-width: 1060px; margin: 0 auto; box-shadow: 0 4px 14px rgba(10, 50, 120, .10), 0 26px 60px rgba(10, 50, 120, .18); }
.video-band video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; background: #0b1526; }
.video-band::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8, 18, 38, .10), rgba(8, 18, 38, .42)); pointer-events: none; transition: opacity .5s ease; z-index: 1; }
.video-band.playing::after { opacity: 0; }
.video-band .v-play { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 86px; height: 86px; border-radius: 50%; border: 0; cursor: pointer; background: rgba(255, 255, 255, .93); color: var(--accent); display: flex; align-items: center; justify-content: center; box-shadow: 0 12px 34px rgba(8, 18, 38, .38); transition: transform .45s var(--ease-smooth), opacity .35s ease; z-index: 3; }
.video-band .v-play .icon { width: 32px; height: 32px; margin-left: 4px; }
.video-band .v-play:hover { transform: translate(-50%, -50%) scale(1.08); }
.video-band.playing .v-play { opacity: 0; pointer-events: none; }
.video-band .v-tag { position: absolute; left: 24px; right: 24px; bottom: 20px; display: flex; justify-content: space-between; align-items: center; color: #fff; font-size: 12.5px; letter-spacing: .14em; text-shadow: 0 1px 10px rgba(0, 0, 0, .55); transition: opacity .4s ease; z-index: 2; }
.video-band.playing .v-tag { opacity: 0; }
@media (max-width: 860px) {
  .video-band { border-radius: 14px; }
  .video-band .v-play { width: 66px; height: 66px; }
  .video-band .v-play .icon { width: 25px; height: 25px; }
  .video-band .v-tag { left: 16px; right: 16px; bottom: 14px; font-size: 11.5px; }
}

/* ---------- 新闻详情：公众号富文本还原 ---------- */
.wx-rich { line-height: 1.9; word-break: break-word; }
.wx-rich img { max-width: 100% !important; height: auto !important; }
.wx-rich section, .wx-rich p, .wx-rich span { max-width: 100% !important; }
.wx-rich a { color: var(--accent); }
@media (max-width: 860px) {
  .wx-rich { font-size: 15px; }
  .wx-rich img { display: inline-block; }
}

/* ============================================================
   公司团队页 · team.html
   ============================================================ */

/* ---------- 核心团队卡片 ---------- */
.leader-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; position: relative; z-index: 2; }
.leader-card { display: flex; background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; transition: all .4s var(--ease-smooth); }
.leader-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(0, 179, 255, .45); }
.leader-card .lv { flex: none; width: 148px; background: linear-gradient(160deg, var(--deep) 0%, #0d2c5c 100%); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; padding: 26px 12px; position: relative; overflow: hidden; }
.leader-card .lv::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(110, 190, 255, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(110, 190, 255, .08) 1px, transparent 1px); background-size: 22px 22px; }
.leader-card .lv::after { content: ""; position: absolute; width: 130px; height: 130px; border-radius: 50%; background: radial-gradient(circle, rgba(0, 190, 255, .25), transparent 65%); filter: blur(8px); top: -34px; right: -34px; }
.leader-card .lv .icon { width: 40px; height: 40px; color: var(--cyan); position: relative; z-index: 2; filter: drop-shadow(0 0 14px rgba(0, 224, 255, .45)); }
.leader-card .lv .en { position: relative; z-index: 2; writing-mode: vertical-rl; font-family: 'Inter', var(--font); font-size: 10.5px; letter-spacing: .3em; color: #7ea6d4; text-transform: uppercase; }
.leader-card .lc { padding: 30px 30px 26px; min-width: 0; }
.leader-card .role { display: inline-flex; align-items: center; gap: 8px; font-size: 17.5px; font-weight: 700; color: var(--ink); letter-spacing: .02em; }
.leader-card .role::before { content: ""; width: 4px; height: 16px; border-radius: 3px; background: var(--grad); }
.leader-card .lc p { margin-top: 14px; font-size: 14.2px; line-height: 1.85; color: var(--text); }
.leader-card .tags { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.leader-card .tags span { font-size: 12px; color: var(--accent); background: rgba(10, 108, 255, .07); border: 1px solid rgba(10, 108, 255, .16); padding: 3px 13px; border-radius: 999px; letter-spacing: .04em; }
.team-note { margin: 34px auto 0; max-width: 860px; text-align: center; position: relative; z-index: 2; padding: 24px 34px; background: rgba(10, 108, 255, .05); border: 1px solid rgba(10, 108, 255, .14); border-radius: 16px; font-size: 14.5px; color: var(--text); }
.team-note b { color: var(--ink); }

/* ---------- 团队数据（深色区） ---------- */
.team-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; z-index: 2; }
.tstat { background: rgba(255, 255, 255, .045); border: 1px solid rgba(140, 200, 255, .16); border-radius: 16px; padding: 30px 16px 26px; text-align: center; backdrop-filter: blur(8px); transition: all .4s var(--ease-smooth); }
.tstat:hover { transform: translateY(-6px); border-color: rgba(0, 224, 255, .45); box-shadow: 0 22px 50px rgba(0, 60, 140, .38); }
.tstat .tv { font-family: 'Inter', var(--font); font-size: clamp(34px, 3.6vw, 44px); font-weight: 700; color: #fff; line-height: 1.1; }
.tstat .tv small { font-size: .42em; font-weight: 600; color: var(--cyan); margin-left: 2px; letter-spacing: .05em; }
.tstat .tl { margin-top: 10px; font-size: 13px; color: #9db8d8; letter-spacing: .08em; }

/* ---------- 人员结构占比条 ---------- */
.mix-wrap { margin-top: 54px; position: relative; z-index: 2; }
.mix-title { text-align: center; font-size: 14px; color: #8fb0d6; letter-spacing: .18em; margin-bottom: 22px; }
.mix-bar { display: flex; height: 46px; border-radius: 12px; overflow: hidden; box-shadow: 0 14px 40px rgba(0, 40, 100, .4); }
.mix-bar .seg { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 13.5px; font-weight: 600; color: #fff; letter-spacing: .05em; min-width: 0; transition: flex-grow .6s var(--ease-smooth); position: relative; }
.mix-bar .seg:hover { filter: brightness(1.18); }
.mix-bar .seg .icon { width: 15px; height: 15px; opacity: .85; }
.mix-bar .s-prod { background: linear-gradient(120deg, #0a6cff, #0f7de8); flex-grow: 60; }
.mix-bar .s-rd { background: linear-gradient(120deg, #00b3ff, #22c4ff); flex-grow: 10; color: #04243f; }
.mix-bar .s-qa { background: linear-gradient(120deg, #00e0ff, #4df0ff); flex-grow: 10; color: #04243f; }
.mix-bar .s-oth { background: rgba(140, 200, 255, .22); flex-grow: 20; color: #b9cee6; }
.mix-bar .seg em { font-style: normal; font-family: 'Inter', var(--font); }
.mix-legend { display: flex; justify-content: center; gap: 26px; flex-wrap: wrap; margin-top: 16px; font-size: 12.5px; color: #8fb0d6; }
.mix-legend i { display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 7px; vertical-align: 0; }
.mix-legend .l1 i { background: #0f7de8; } .mix-legend .l2 i { background: #22c4ff; } .mix-legend .l3 i { background: #4df0ff; } .mix-legend .l4 i { background: rgba(140, 200, 255, .35); }
@media (max-width: 860px) {
  .mix-bar { height: 40px; }
  .mix-bar .seg span { display: none; }
  .mix-bar .seg em { font-size: 12.5px; }
  .mix-legend { gap: 14px 20px; }
}

/* ---------- 资质证书 ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; position: relative; z-index: 2; }
.cert-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 22px 22px 24px; text-align: center; transition: all .4s var(--ease-smooth); position: relative; overflow: hidden; }
.cert-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3.5px; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .45s; }
.cert-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); }
.cert-card:hover::before { transform: scaleX(1); }
.cert-card .cp { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; box-shadow: 0 6px 18px rgba(10, 60, 140, .08); }
.cert-card img { width: 100%; aspect-ratio: 3 / 4.1; object-fit: cover; display: block; transform: scale(1.01); }
.cert-card h3 { margin-top: 18px; font-size: 16.5px; color: var(--ink); font-weight: 700; }
.cert-card .cd { margin-top: 6px; font-size: 13px; color: var(--muted); }
.ip-band { margin-top: 42px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; z-index: 2; }
.ip-item { display: flex; align-items: center; gap: 15px; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 18px 22px; transition: all .4s var(--ease-smooth); }
.ip-item:hover { border-color: rgba(0, 179, 255, .5); box-shadow: 0 14px 34px rgba(8, 70, 160, .1); transform: translateY(-3px); }
.ip-item .ii { flex: none; width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(135deg, rgba(10, 108, 255, .1), rgba(0, 224, 255, .13)); color: var(--accent); display: grid; place-items: center; }
.ip-item b { display: block; font-family: 'Inter', var(--font); font-size: 21px; color: var(--ink); line-height: 1.2; }
.ip-item span { font-size: 12.5px; color: var(--muted); letter-spacing: .03em; }

/* ---------- 团队风采 ---------- */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 232px; gap: 18px; position: relative; z-index: 2; }
.g-item { position: relative; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); }
.g-item.tall { grid-row: span 2; }
.g-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .8s var(--ease-smooth); }
.g-item::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rg
ba(5, 15, 31, 0) 46%, rgba(5, 15, 31, .72)); opacity: .75; transition: opacity .4s; }
.g-item:hover img { transform: scale(1.06); }
.g-item:hover::after { opacity: .95; }
.g-item .gt { position: absolute; left: 18px; right: 18px; bottom: 14px; color: #fff; z-index: 2; font-size: 14px; font-weight: 600; letter-spacing: .06em; text-shadow: 0 1px 8px rgba(0, 0, 0, .45); display: flex; align-items: center; gap: 9px; }
.g-item .gt::before { content: ""; flex: none; width: 14px; height: 2.5px; border-radius: 2px; background: linear-gradient(90deg, var(--cyan), transparent); }

/* ---------- 团队页响应式 ---------- */
@media (max-width: 1024px) {
  .leader-grid { grid-template-columns: 1fr; gap: 22px; }
  .team-stats { grid-template-columns: repeat(2, 1fr); }
  .ip-band { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 210px; }
}
@media (max-width: 640px) {
  .leader-card { flex-direction: column; }
  .leader-card .lv { width: 100%; flex-direction: row; padding: 16px 22px; justify-content: flex-start; gap: 16px; }
  .leader-card .lv .icon { width: 30px; height: 30px; }
  .leader-card .lv .en { writing-mode: horizontal-tb; letter-spacing: .2em; margin-left: auto; }
  .leader-card .lc { padding: 22px 20px; }
  .team-note { padding: 20px 18px; font-size: 13.8px; }
  .team-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .tstat { padding: 22px 10px 20px; }
  .cert-grid { grid-template-columns: 1fr; gap: 20px; max-width: 400px; margin-left: auto; margin-right: auto; }
  .ip-band { grid-template-columns: 1fr; gap: 12px; }
  .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .g-item.tall { grid-row: span 1; }
}

/* ============================================================
   关于页设备展示 + 页脚快捷导航对齐修复 (2026-09-08)
   ============================================================ */

/* ---------- 设备卡（加工/测试设备） ---------- */
.equip-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; position: relative; z-index: 2; }
.equip-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 14px 14px 18px; text-align: center; transition: all .4s var(--ease-smooth); }
.equip-card .ep { border-radius: 10px; overflow: hidden; background: #eef4fb; }
.equip-card .ep img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; display: block; transition: transform .8s var(--ease-smooth); }
.equip-card h3 { margin-top: 13px; font-size: 15.5px; color: var(--ink); font-weight: 700; letter-spacing: .03em; }
.equip-card span { display: block; margin-top: 3px; font-family: 'Inter', var(--font); font-size: 10.5px; letter-spacing: .12em; color: var(--muted); text-transform: uppercase; }
.equip-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(0, 179, 255, .45); }
.equip-card:hover .ep img { transform: scale(1.06); }
@media (max-width: 1024px) {
  .equip-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
}
@media (max-width: 860px) {
  .equip-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
}
@media (max-width: 560px) {
  .equip-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .equip-card { padding: 10px 10px 14px; }
  .equip-card h3 { font-size: 13.8px; }
  .equip-card span { font-size: 9.5px; }
}

/* ---------- 页脚快捷导航：中文左对齐 / 英文统一右对齐 ---------- */
.f-nav a .t { flex: 1; display: flex; align-items: center; justify-content: space-between; gap: 9px; min-width: 0; }
.f-nav a .t b { flex: none; }
.f-nav a .t em { margin-left: auto; }
@media (max-width: 640px) {
  .f-nav a .t { flex-direction: row; }
  .f-nav a .t em { display: none; }
}

/* ---------- 在线留言表单（contact） ---------- */
.msg-form-wrap { max-width: 860px; margin: 64px auto 0; position: relative; z-index: 2; }
.msg-form { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: clamp(24px, 4vw, 40px); box-shadow: var(--shadow); }
.msg-form .mf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 22px; }
.msg-form .mf-field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px; }
.msg-form label { font-size: 13.5px; color: var(--ink); font-weight: 600; letter-spacing: .04em; }
.msg-form label i { font-style: normal; color: #e5484d; }
.msg-form input, .msg-form textarea { width: 100%; border: 1.5px solid var(--line); border-radius: 10px; padding: 11px 15px; font-size: 14.5px; font-family: inherit; color: var(--ink); background: #fff; outline: none; transition: border-color .25s, box-shadow .25s; }
.msg-form textarea { resize: vertical; min-height: 110px; }
.msg-form input:focus, .msg-form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(10, 108, 255, .1); }
.msg-form input::placeholder, .msg-form textarea::placeholder { color: #aab7c8; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.msg-form .mf-foot { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 6px; }
.mf-tip { font-size: 13.5px; min-height: 1.5em; }
.mf-tip.ok { color: #0aa878; }
.mf-tip.err { color: #e5484d; }
@media (max-width: 640px) {
  .msg-form .mf-row { grid-template-columns: 1fr; gap: 0; }
  .msg-form-wrap { margin-top: 44px; }
}

/* ---------- 手机端公司介绍区留白收紧 ---------- */
@media (max-width: 860px) {
  .sec-about { padding: 38px 0; }
  .sec-about .about-split { gap: 26px; }
  .sec-about .sec-head { margin-bottom: 18px; }
}

/* ---------- 手机端全局版块间距再收紧（叠加 sec-about 规则之后，覆盖 56px） ---------- */
@media (max-width: 860px) {
  .section { padding: 44px 0; }
  .sec-about { padding: 36px 0; }
}

/* ---------- 关于奎源页：版块上下留白收紧 ---------- */
.page-about .section { padding: clamp(46px, 5.5vw, 68px) 0; }
.page-about .sec-head { margin-bottom: clamp(26px, 3.5vw, 40px); }
@media (max-width: 860px) {
  .page-about .section { padding: 34px 0; }
  .page-about .sec-head { margin-bottom: 22px; }
  .page-about .about-page-section { gap: 26px; }
}

/* ---------- 留言表单内咨询热线 ---------- */
.msg-form .mf-hotline { display: flex; align-items: center; gap: 14px; padding: 14px 18px; margin-bottom: 22px; border-radius: 12px; background: linear-gradient(120deg, rgba(10, 108, 255, .06), rgba(0, 224, 255, .08)); border: 1px solid rgba(10, 108, 255, .16); }
.msg-form .mf-hotline > .icon { width: 1.9em; height: 1.9em; color: var(--accent); flex: none; }
.msg-form .mf-hotline span { display: block; font-size: 11.5px; color: var(--muted); letter-spacing: .12em; line-height: 1.4; }
.msg-form .mf-hotline a { display: block; font-family: 'Inter', var(--font); font-size: 21px; font-weight: 700; letter-spacing: .03em; color: var(--ink); transition: color .25s; }
.msg-form .mf-hotline a:hover { color: var(--primary); }

/* ---------- 设备图片灯箱 ---------- */
.equip-card .ep { cursor: zoom-in; }
.lb { position: fixed; inset: 0; z-index: 3000; display: none; align-items: center; justify-content: center; background: rgba(4, 12, 26, .93); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.lb.on { display: flex; animation: lbIn .25s ease; }
@keyframes lbIn { from { opacity: 0; } to { opacity: 1; } }
.lb figure { max-width: 92vw; max-height: 100vh; display: flex; flex-direction: column; align-items: center; margin: 0; }
.lb img { max-width: 92vw; max-height: 80vh; object-fit: contain; border-radius: 10px; box-shadow: 0 30px 90px rgba(0, 0, 0, .55); }
.lb figcaption { margin-top: 16px; color: #dce9f8; font-size: 14.5px; letter-spacing: .08em; text-shadow: 0 1px 8px rgba(0, 0, 0, .6); }
.lb .lb-btn { position: absolute; width: 52px; height: 52px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .28); background: rgba(255, 255, 255, .08); color: #fff; font-size: 30px; line-height: 1; display: grid; place-items: center; cursor: pointer; transition: all .25s; }
.lb .lb-btn:hover { background: rgba(0, 200, 255, .2); border-color: rgba(0, 224, 255, .6); }
.lb .lb-close { top: 26px; right: 30px; }
.lb .lb-prev { left: 26px; top: 50%; transform: translateY(-50%); }
.lb .lb-next { right: 26px; top: 50%; transform: translateY(-50%); }
@media (max-width: 640px) {
  .lb .lb-btn { width: 44px; height: 44px; font-size: 26px; }
  .lb .lb-close { top: 16px; right: 16px; }
  .lb .lb-prev { left: 10px; }
  .lb .lb-next { right: 10px; }
  .lb figcaption { font-size: 13px; padding: 0 60px; text-align: center; }
}

/* ---------- CMS占比条配色（对应4段） ---------- */
.mix-bar .s-1 { background: linear-gradient(120deg, #0a6cff, #0f7de8); flex-grow: 60; }
.mix-bar .s-2 { background: linear-gradient(120deg, #00b3ff, #22c4ff); flex-grow: 10; color: #04243f; }
.mix-bar .s-3 { background: linear-gradient(120deg, #00e0ff, #4df0ff); flex-grow: 10; color: #04243f; }
.mix-bar .s-4 { background: rgba(140, 200, 255, .22); flex-grow: 20; color: #b9cee6; }