:root {
  --navy: #07172d;
  --navy-2: #0b2341;
  --blue: #006ef0;
  --blue-2: #00a3ff;
  --cyan: #32d4ff;
  --ink: #142033;
  --muted: #657186;
  --line: #e5eaf1;
  --soft: #f4f7fb;
  --white: #fff;
  --shadow: 0 20px 60px rgba(13, 37, 67, .12);
  --container: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(calc(100% - 48px), var(--container)); margin: 0 auto; }
.section { padding: 112px 0; }
.eyebrow {
  margin: 0 0 15px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .22em;
}
.eyebrow.light { color: #83dfff; }

.topbar { color: rgba(255,255,255,.72); background: #061322; font-size: 12px; }
.topbar-inner { height: 34px; display: flex; align-items: center; justify-content: space-between; }
.topbar-inner div { display: flex; align-items: center; gap: 15px; }
.topbar-divider { width: 1px; height: 11px; background: rgba(255,255,255,.25); }
.site-header {
  position: relative;
  z-index: 50;
  color: var(--white);
  background: #061322;
}
.site-header.sticky {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  background: rgba(7, 23, 45, .96);
  box-shadow: 0 8px 30px rgba(0,0,0,.16);
  backdrop-filter: blur(15px);
  animation: drop .35s ease;
}
.site-header.sticky .topbar { display: none; }
@keyframes drop { from { transform: translateY(-100%); } }
.navbar { height: 82px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark { position: relative; width: 48px; height: 41px; background: url("assets/images/logo.png") center/contain no-repeat; }
.brand-mark i { display: none; }
.brand-copy { display: flex; flex-direction: column; line-height: 1; }
.brand-copy strong { font-size: 23px; letter-spacing: .15em; }
.brand-copy small { margin-top: 6px; font-size: 7px; letter-spacing: .18em; opacity: .65; }
.nav-links { display: flex; align-items: center; gap: 33px; font-size: 14px; }
.nav-links > a { position: relative; padding: 30px 0; opacity: .82; transition: .25s ease; }
.nav-links > a:not(.nav-contact)::after {
  content: "";
  position: absolute;
  right: 50%;
  bottom: 19px;
  left: 50%;
  height: 2px;
  background: var(--cyan);
  transition: .25s ease;
}
.nav-links > a:hover, .nav-links > a.active { opacity: 1; }
.nav-links > a:hover::after, .nav-links > a.active::after { right: 0; left: 0; }
.nav-contact { padding: 11px 20px !important; border: 1px solid rgba(255,255,255,.4); border-radius: 3px; }
.nav-contact:hover { color: var(--navy); background: var(--white); }
.menu-toggle { display: none; padding: 8px; border: 0; background: transparent; }
.menu-toggle span { display: block; width: 24px; height: 2px; margin: 5px; background: #fff; }

.hero { position: relative; min-height: 790px; color: var(--white); background: var(--navy); overflow: hidden; }
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  visibility: hidden;
  align-items: center;
  opacity: 0;
  background-image:
    linear-gradient(90deg, rgba(4,17,36,.95) 0%, rgba(5,25,51,.75) 45%, rgba(5,22,44,.15) 78%),
    var(--hero-image);
  background-position: center;
  background-size: cover;
  transition: opacity .8s ease, visibility .8s;
}
.hero-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(90deg, #000, transparent 75%);
}
.hero-slide.active { visibility: visible; opacity: 1; }
.hero-content { position: relative; z-index: 2; padding-top: 20px; }
.hero-content h1, .hero-content h2 { max-width: 760px; margin: 0; font-size: clamp(48px, 5vw, 72px); font-weight: 700; line-height: 1.18; letter-spacing: -.04em; }
.hero-content h2 { font-size: clamp(43px, 4.5vw, 66px); }
.hero-content h1 em, .hero-content h2 em { color: transparent; font-style: normal; background: linear-gradient(90deg, #fff, #5cd8ff); -webkit-background-clip: text; background-clip: text; }
.hero-content > p:not(.eyebrow) { max-width: 600px; margin: 26px 0 35px; color: rgba(255,255,255,.72); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; gap: 12px; }
.button { display: inline-flex; min-height: 50px; padding: 0 26px; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 3px; font-size: 14px; font-weight: 700; transition: .25s ease; }
.button-primary { background: linear-gradient(135deg, var(--blue), #009dff); box-shadow: 0 12px 28px rgba(0,110,240,.28); }
.button-primary:hover { transform: translateY(-2px); box-shadow: 0 15px 32px rgba(0,110,240,.42); }
.button-ghost { border-color: rgba(255,255,255,.45); color: #fff; }
.button-ghost:hover { border-color: #fff; background: rgba(255,255,255,.1); }
.button-white { color: var(--blue); background: #fff; }
.hero-arrow {
  position: absolute;
  z-index: 4;
  top: 46%;
  width: 46px;
  height: 70px;
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  background: rgba(5,20,40,.2);
  font-size: 34px;
  cursor: pointer;
  transition: .2s;
}
.hero-arrow:hover { border-color: var(--cyan); background: var(--blue); }
.hero-arrow.prev { left: 24px; }
.hero-arrow.next { right: 24px; }
.hero-dots { position: absolute; z-index: 5; bottom: 151px; left: 50%; display: flex; gap: 9px; transform: translateX(-50%); }
.hero-dots button { width: 24px; height: 3px; padding: 0; border: 0; background: rgba(255,255,255,.35); cursor: pointer; transition: .3s; }
.hero-dots button.active { width: 48px; background: var(--cyan); }
.hero-stats { position: absolute; z-index: 4; right: 0; bottom: 0; left: 0; border-top: 1px solid rgba(255,255,255,.14); background: rgba(4,17,34,.72); backdrop-filter: blur(8px); }
.stats-grid { display: grid; min-height: 120px; grid-template-columns: repeat(4, 1fr); }
.stats-grid div { display: flex; padding-left: 38px; flex-direction: column; justify-content: center; border-left: 1px solid rgba(255,255,255,.12); }
.stats-grid div:last-child { border-right: 1px solid rgba(255,255,255,.12); }
.stats-grid strong { font-size: 30px; font-weight: 500; letter-spacing: -.03em; }
.stats-grid span { margin-top: 7px; color: rgba(255,255,255,.57); font-size: 12px; }

.section-heading { display: grid; margin-bottom: 52px; align-items: end; grid-template-columns: 1fr 1fr; }
.section-heading h2, .about-copy h2, .process-intro h2, .credentials-grid h2, .contact-copy h2 { margin: 0; font-size: clamp(34px, 3.2vw, 48px); line-height: 1.25; letter-spacing: -.04em; }
.section-heading > p { max-width: 550px; margin: 0 0 4px auto; color: var(--muted); line-height: 1.9; }

.products-section { background: #fff; }
.product-tabs { display: flex; margin-bottom: 30px; gap: 8px; }
.product-tabs button { padding: 10px 20px; border: 1px solid var(--line); border-radius: 2px; color: var(--muted); background: #fff; cursor: pointer; transition: .2s; }
.product-tabs button:hover, .product-tabs button.active { border-color: var(--blue); color: #fff; background: var(--blue); }
.product-grid { display: grid; gap: 18px; grid-template-columns: repeat(4, 1fr); }
.product-card { display: flex; min-height: 420px; flex-direction: column; border: 1px solid var(--line); background: #fff; transition: .35s ease; overflow: hidden; }
.product-card:hover { z-index: 2; border-color: transparent; box-shadow: var(--shadow); transform: translateY(-6px); }
.product-card.featured { grid-column: span 2; }
.product-image { display: grid; height: 225px; padding: 28px; place-items: center; background: linear-gradient(145deg, #f8fafc, #edf3f8); overflow: hidden; }
.product-card.featured .product-image { height: 260px; background: radial-gradient(circle at 60%, #e8f7ff, #eef3f9 65%); }
.product-image img { width: 100%; height: 100%; object-fit: contain; transition: .4s ease; }
.product-card:hover .product-image img { transform: scale(1.05); }
.product-body { display: flex; padding: 24px 25px 26px; flex: 1; flex-direction: column; }
.product-tag { margin-bottom: 12px; color: var(--blue); font-size: 11px; font-weight: 700; }
.product-body h3 { margin: 0 0 12px; font-size: 20px; }
.product-body p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.product-body a { margin-top: auto; padding-top: 18px; color: var(--ink); font-size: 13px; font-weight: 700; }
.product-body a span { color: var(--blue); font-size: 18px; }
.mini-specs { display: flex; margin: auto 0 0; padding: 22px 0 0; gap: 10px; list-style: none; }
.mini-specs li { padding: 7px 10px; color: #356180; background: #eef8ff; font-size: 11px; }
.product-card.hidden { display: none; }

.about-section { position: relative; background: var(--soft); overflow: hidden; }
.about-bg-word { position: absolute; top: 35px; right: -40px; color: rgba(14,82,150,.035); font-size: 260px; font-weight: 900; letter-spacing: -.08em; }
.about-grid { position: relative; display: grid; align-items: center; gap: 90px; grid-template-columns: 1.03fr .97fr; }
.about-visual { position: relative; padding: 0 45px 45px 0; }
.about-visual > img { width: 100%; min-height: 530px; object-fit: cover; box-shadow: var(--shadow); }
.about-visual::before { content: ""; position: absolute; z-index: -1; right: 0; bottom: 0; width: 72%; height: 70%; background: linear-gradient(140deg, var(--blue), var(--cyan)); }
.about-badge { position: absolute; right: 0; bottom: 45px; display: flex; width: 180px; height: 105px; padding: 20px 24px; flex-direction: column; justify-content: center; color: #fff; background: var(--blue); }
.about-badge strong { font-size: 32px; }
.about-badge span { font-size: 12px; opacity: .7; }
.about-copy > p:not(.eyebrow) { color: var(--muted); line-height: 2; }
.about-copy h2 { margin-bottom: 26px; }
.value-grid { display: grid; margin: 32px 0; gap: 12px; grid-template-columns: repeat(3, 1fr); }
.value-grid div { display: flex; padding: 17px 12px; flex-direction: column; border-top: 2px solid var(--blue); background: #fff; }
.value-grid span { color: var(--blue); font-size: 11px; font-weight: 700; }
.value-grid strong { margin: 7px 0 4px; font-size: 15px; }
.value-grid small { color: var(--muted); font-size: 10px; }
.text-link { color: var(--blue); font-size: 14px; font-weight: 700; }

.solutions-section { color: #fff; background: var(--navy); }
.light-heading > p { color: rgba(255,255,255,.6); }
.solution-layout { display: grid; min-height: 520px; grid-template-columns: 280px 1fr; background: #0b213c; }
.solution-nav { display: flex; flex-direction: column; border-right: 1px solid rgba(255,255,255,.1); }
.solution-nav button { display: flex; padding: 0 28px; flex: 1; align-items: center; gap: 20px; border: 0; border-bottom: 1px solid rgba(255,255,255,.09); color: rgba(255,255,255,.58); text-align: left; background: transparent; cursor: pointer; transition: .25s; }
.solution-nav button b { color: rgba(255,255,255,.2); font-size: 12px; }
.solution-nav button span { display: flex; flex-direction: column; font-size: 16px; }
.solution-nav button small { margin-top: 5px; font-size: 10px; font-weight: 400; letter-spacing: .1em; opacity: .5; }
.solution-nav button:hover, .solution-nav button.active { color: #fff; background: var(--blue); }
.solution-nav button.active b { color: var(--cyan); }
.solution-panels { position: relative; overflow: hidden; }
.solution-panel { position: absolute; inset: 0; visibility: hidden; padding: 60px; opacity: 0; background-image: linear-gradient(90deg, rgba(5,24,48,.98) 0%, rgba(7,29,56,.83) 50%, rgba(7,29,56,.2)), var(--solution-image); background-position: center; background-size: cover; transition: .4s; }
.solution-panel.active { visibility: visible; opacity: 1; }
.solution-panel > div { max-width: 570px; }
.solution-panel span { color: var(--cyan); font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.solution-panel h3 { margin: 18px 0; font-size: 32px; }
.solution-panel p { color: rgba(255,255,255,.7); line-height: 1.9; }
.solution-panel ul { display: grid; margin: 30px 0 0; padding: 0; gap: 12px; grid-template-columns: 1fr 1fr; list-style: none; }
.solution-panel li::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 10px; border: 2px solid var(--cyan); transform: rotate(45deg); }

.cases-section { background: #fff; }
.case-grid { display: grid; gap: 14px; grid-template-columns: repeat(4, 1fr); grid-template-rows: 260px 260px; }
.case-card { position: relative; overflow: hidden; }
.case-large { grid-column: span 2; grid-row: span 2; }
.case-card img { width: 100%; height: 100%; object-fit: cover; transition: .6s ease; }
.case-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(3,16,32,.9), transparent 70%); }
.case-card:hover img { transform: scale(1.06); }
.case-overlay { position: absolute; z-index: 2; right: 0; bottom: 0; left: 0; padding: 25px; color: #fff; }
.case-overlay span { color: var(--cyan); font-size: 11px; font-weight: 700; }
.case-overlay h3 { margin: 8px 0 5px; font-size: 18px; }
.case-large .case-overlay h3 { font-size: 27px; }
.case-overlay p { margin: 0; color: rgba(255,255,255,.62); font-size: 12px; }

.process-section { color: #fff; background: linear-gradient(125deg, #0062d6, #009ee8); }
.process-section .container { display: grid; align-items: center; gap: 70px; grid-template-columns: .7fr 1.3fr; }
.process-intro p:last-child { color: rgba(255,255,255,.72); line-height: 1.8; }
.process-list { display: grid; grid-template-columns: repeat(5, 1fr); }
.process-list div { position: relative; display: flex; min-height: 170px; padding: 22px 16px; flex-direction: column; border-left: 1px solid rgba(255,255,255,.23); }
.process-list div::after { content: ""; position: absolute; top: 50px; right: -5px; z-index: 2; width: 9px; height: 9px; border: 2px solid #fff; border-radius: 50%; background: var(--blue); }
.process-list div:last-child::after { display: none; }
.process-list b { color: rgba(255,255,255,.4); font-size: 28px; font-weight: 400; }
.process-list span { display: flex; margin-top: auto; flex-direction: column; }
.process-list strong { font-size: 15px; }
.process-list small { margin-top: 7px; color: rgba(255,255,255,.6); font-size: 10px; }

.credentials-section { background: var(--soft); }
.credentials-grid { display: grid; align-items: center; gap: 70px; grid-template-columns: .65fr 1.35fr; }
.credentials-grid > div > p:last-child { color: var(--muted); line-height: 1.9; }
.cert-strip { display: grid; gap: 12px; grid-template-columns: repeat(5, 1fr); perspective: 900px; }
.cert-strip img { width: 100%; aspect-ratio: .72; padding: 7px; object-fit: cover; object-position: top; background: #fff; box-shadow: 0 10px 30px rgba(25,50,80,.12); transition: .3s; }
.cert-strip img:nth-child(odd) { transform: translateY(-8px); }
.cert-strip img:hover { z-index: 2; transform: translateY(-12px) scale(1.12); }

.news-section { background: #fff; }
.news-grid { display: grid; gap: 18px; grid-template-columns: 1fr 1fr; }
.news-feature { display: grid; min-height: 300px; padding: 45px; gap: 35px; grid-template-columns: 100px 1fr; color: #fff; background: linear-gradient(140deg, #0b294d, #086cd5); }
.news-date { display: flex; flex-direction: column; border-right: 1px solid rgba(255,255,255,.2); }
.news-date strong { font-size: 28px; }
.news-date span { margin-top: 7px; color: rgba(255,255,255,.55); font-size: 11px; }
.news-type, .news-list span { color: var(--cyan); font-size: 11px; font-weight: 700; }
.news-feature h3 { margin: 18px 0; font-size: 25px; line-height: 1.5; }
.news-feature p { color: rgba(255,255,255,.64); font-size: 13px; line-height: 1.8; }
.news-list { border-top: 1px solid var(--line); }
.news-list article { display: grid; min-height: 100px; padding: 18px 12px; align-items: center; gap: 20px; grid-template-columns: 55px 1fr 25px; border-bottom: 1px solid var(--line); transition: .2s; }
.news-list article:hover { padding-right: 18px; padding-left: 18px; background: var(--soft); }
.news-list time { color: var(--muted); font-size: 12px; }
.news-list h3 { margin: 7px 0 0; font-size: 15px; font-weight: 600; }
.news-list b { color: var(--blue); }

.contact-section { padding: 100px 0; color: #fff; background: linear-gradient(110deg, rgba(4,24,50,.97), rgba(0,93,190,.82)), url("assets/images/image31.png") center/cover; }
.contact-grid { display: grid; align-items: center; gap: 110px; grid-template-columns: 1fr 1fr; }
.contact-copy > p:not(.eyebrow) { max-width: 520px; color: rgba(255,255,255,.66); line-height: 1.9; }
.contact-actions { display: flex; margin-top: 30px; gap: 12px; }
.contact-card { padding: 40px 45px; color: var(--ink); background: #fff; box-shadow: 0 25px 70px rgba(0,0,0,.2); }
.contact-card h3 { margin: 0 0 27px; font-size: 21px; }
.contact-item { display: grid; padding: 15px 0; gap: 20px; grid-template-columns: 50px 1fr; border-top: 1px solid var(--line); }
.contact-item span { color: var(--muted); font-size: 12px; }
.contact-item p { margin: 0; font-size: 14px; line-height: 1.7; }
.map-link { display: flex; margin-top: 20px; padding: 14px 17px; justify-content: space-between; color: var(--blue); background: #eff7ff; font-size: 13px; font-weight: 700; }

.site-footer { color: rgba(255,255,255,.62); background: #050f1d; }
.footer-main { display: grid; padding: 55px 0; align-items: center; gap: 45px; grid-template-columns: 230px 1fr auto; border-bottom: 1px solid rgba(255,255,255,.1); }
.brand-footer { color: #fff; }
.footer-main > p { max-width: 480px; font-size: 12px; line-height: 1.8; }
.footer-links { display: flex; gap: 22px; font-size: 12px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; min-height: 64px; align-items: center; justify-content: space-between; gap: 18px; font-size: 11px; }
.beian-link { display: inline-flex; align-items: center; gap: 6px; color: rgba(255,255,255,.62); white-space: nowrap; }
.beian-link:hover { color: #fff; }
.beian-link img { width: 16px; height: 16px; object-fit: contain; }
.back-top { position: fixed; z-index: 20; right: 25px; bottom: 25px; display: grid; visibility: hidden; width: 42px; height: 42px; place-items: center; color: #fff; opacity: 0; background: var(--blue); box-shadow: 0 8px 25px rgba(0,110,240,.3); transition: .3s; }
.back-top.visible { visibility: visible; opacity: 1; }
.reveal { opacity: 0; transform: translateY(30px); transition: .7s ease; }
.reveal.in-view { opacity: 1; transform: none; }

/* 首页精简版 */
.home-hero {
  min-height: 680px;
}
.home-hero .hero-slide {
  background-image: var(--hero-image);
  background-position: center;
  background-size: cover;
}
.home-hero .hero-slide-fit {
  background-position: center top;
  background-size: cover;
}
.home-hero .hero-slide::after {
  display: none;
}
.home-hero .hero-content {
  display: flex;
  height: 100%;
  padding-top: 0;
  padding-bottom: 62px;
  align-items: flex-end;
  justify-content: flex-end;
}
.home-hero .hero-actions {
  position: relative;
  z-index: 3;
}
.home-hero .hero-dots {
  bottom: 30px;
}
.home-product-grid .vision-product-image {
  position: relative;
  height: 260px;
  padding: 0;
}
.home-product-grid .vision-product-image img {
  position: absolute;
  inset: 12px 20px;
  width: calc(100% - 40px);
  height: calc(100% - 24px);
  object-fit: contain;
}
.home-more {
  display: flex;
  margin-top: 36px;
  justify-content: center;
}
.home-contact {
  background: linear-gradient(120deg, #064ca5 0%, #007ce8 55%, #00a5ec 100%);
}

@media (max-width: 1050px) {
  .nav-links { gap: 18px; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .product-card.featured { grid-column: span 2; }
  .about-grid { gap: 50px; }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .process-section .container { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 220px 1fr; }
  .footer-links { grid-column: span 2; }
}

@media (max-width: 820px) {
  .container { width: min(calc(100% - 32px), var(--container)); }
  .section { padding: 78px 0; }
  .topbar { display: none; }
  .navbar { height: 70px; }
  .menu-toggle { z-index: 2; display: block; cursor: pointer; }
  .nav-links { position: fixed; inset: 0 0 0 25%; display: flex; padding: 100px 40px 40px; flex-direction: column; align-items: flex-start; gap: 0; background: rgba(5,19,37,.98); transform: translateX(100%); transition: .35s; }
  .nav-links.open { transform: none; }
  .nav-links > a { width: 100%; padding: 17px 0; border-bottom: 1px solid rgba(255,255,255,.1); font-size: 16px; }
  .nav-contact { margin-top: 20px; text-align: center; }
  .hero { min-height: 720px; }
  .hero-slide { background-position: 63% center; }
  .hero-content h1, .hero-content h2 { font-size: 43px; }
  .hero-content > p:not(.eyebrow) { max-width: 90%; }
  .hero-arrow { display: none; }
  .stats-grid div { padding-left: 18px; }
  .stats-grid strong { font-size: 23px; }
  .section-heading { display: block; }
  .section-heading > p { margin: 20px 0 0; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { max-width: 650px; }
  .solution-layout { grid-template-columns: 190px 1fr; }
  .solution-nav button { padding: 0 18px; }
  .solution-panel { padding: 40px; }
  .credentials-grid, .news-grid, .contact-grid { gap: 45px; grid-template-columns: 1fr; }
  .contact-card { max-width: 620px; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-links { grid-column: auto; flex-wrap: wrap; }
  .home-hero { min-height: 620px; }
  .home-hero .hero-content { padding-bottom: 55px; }
}

@media (max-width: 560px) {
  .brand-copy strong { font-size: 19px; }
  .brand-mark { width: 40px; height: 34px; }
  .hero { min-height: 740px; }
  .hero-slide { background-position: 68% center; }
  .hero-slide::before { content: ""; position: absolute; inset: 0; background: rgba(3,17,33,.3); }
  .hero-content { padding-top: 0; }
  .hero-content h1, .hero-content h2 { font-size: 36px; }
  .hero-content > p:not(.eyebrow) { font-size: 15px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 190px; }
  .stats-grid { min-height: 118px; grid-template-columns: repeat(2, 1fr); }
  .stats-grid div { padding: 10px 0 10px 15px; border-top: 1px solid rgba(255,255,255,.1); }
  .stats-grid strong { font-size: 20px; }
  .hero-dots { bottom: 133px; }
  .section-heading h2, .about-copy h2, .process-intro h2, .credentials-grid h2, .contact-copy h2 { font-size: 34px; }
  .product-tabs { overflow-x: auto; }
  .product-tabs button { flex: 0 0 auto; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card.featured { grid-column: span 1; }
  .about-visual { padding: 0 22px 22px 0; }
  .about-visual > img { min-height: 380px; }
  .about-badge { right: 0; bottom: 22px; width: 145px; height: 87px; }
  .value-grid { grid-template-columns: 1fr; }
  .solution-layout { display: block; }
  .solution-nav { display: grid; height: auto; grid-template-columns: repeat(2, 1fr); }
  .solution-nav button { min-height: 78px; }
  .solution-panels { height: 520px; }
  .solution-panel { padding: 32px 25px; }
  .solution-panel h3 { font-size: 26px; }
  .solution-panel ul { grid-template-columns: 1fr; }
  .case-grid { display: block; }
  .case-card { height: 280px; margin-bottom: 12px; }
  .case-large { height: 370px; }
  .process-list { grid-template-columns: 1fr; }
  .process-list div { min-height: 100px; flex-direction: row; align-items: center; gap: 25px; border-bottom: 1px solid rgba(255,255,255,.2); }
  .process-list div::after { display: none; }
  .process-list span { margin: 0; }
  .cert-strip { overflow-x: auto; grid-template-columns: repeat(5, 130px); }
  .news-feature { padding: 30px 24px; gap: 20px; grid-template-columns: 1fr; }
  .news-date { padding-bottom: 15px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.2); }
  .contact-actions { flex-direction: column; }
  .contact-card { padding: 30px 25px; }
  .footer-bottom { padding: 20px 0; align-items: flex-start; flex-direction: column; gap: 8px; }
  .beian-link { white-space: normal; }
  .home-hero { min-height: 500px; }
  .home-hero .hero-slide { background-position: center; }
  .home-hero .hero-slide::before { display: none; }
  .home-hero .hero-content { padding-bottom: 45px; }
  .home-hero .hero-actions { width: auto; align-items: flex-end; }
  .home-hero .hero-actions .button { width: auto; min-height: 42px; padding: 0 16px; font-size: 12px; }
  .home-hero .hero-dots { bottom: 18px; }
}

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