:root {
  --ink: #14212b;
  --muted: #65727d;
  --line: #dde6e8;
  --paper: #f6f8f7;
  --white: #ffffff;
  --green: #0f8a67;
  --green-dark: #08634d;
  --lime: #a7d63f;
  --steel: #27495a;
  --orange: #f08a24;
  --shadow: 0 18px 50px rgba(20, 33, 43, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
.container { width: min(1200px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 92px 0; }
.section--soft { background: var(--paper); }
.section--dark { background: #152b34; color: var(--white); }
.eyebrow {
  color: var(--green);
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}
.eyebrow:before { content: ""; width: 34px; height: 2px; background: var(--lime); }
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  align-items: end;
  margin-bottom: 38px;
}
.section-head h2 { margin: 10px 0 0; font-size: clamp(28px, 4vw, 44px); line-height: 1.2; }
.section-head p { max-width: 520px; margin: 0; color: var(--muted); }
.section--dark .section-head p { color: rgba(255,255,255,.75); }

.top-strip { background: #102932; color: rgba(255,255,255,.82); font-size: 13px; }
.top-strip__inner { height: 38px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(221,230,232,.75);
}
.site-header.is-scrolled { box-shadow: 0 12px 36px rgba(20, 33, 43, .08); }
.nav-shell { min-height: 78px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { width: 100px; height: 70px; object-fit: contain; }
.brand strong { display: block; font-size: 20px; line-height: 1.1; }
.brand em { color: var(--muted); font-size: 12px; font-style: normal; }
.main-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.main-nav a {
  padding: 26px 13px;
  font-weight: 700;
  color: #263741;
  position: relative;
  white-space: nowrap;
}
.main-nav a:after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 18px;
  height: 3px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.main-nav a:hover:after, .main-nav a.is-active:after { transform: scaleX(1); }
.site-search {
  width: 190px;
  display: flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 8px 0 15px;
  background: #fff;
}
.site-search input { min-width: 0; border: 0; outline: 0; height: 38px; width: 100%; }
.site-search button { border: 0; background: var(--green); width: 34px; height: 29px; border-radius: 50%; cursor: pointer; position: relative; }
.site-search button span:before {
  content: "";
  position: absolute;
  width: 9px;
  height: 9px;
  border: 2px solid #fff;
  border-radius: 50%;
  left: 8px;
  top: 7px;
}
.site-search button span:after {
  content: "";
  position: absolute;
  width: 7px;
  height: 2px;
  background: #fff;
  transform: rotate(45deg);
  left: 17px;
  top: 18px;
}
.menu-toggle { display: none; border: 0; background: transparent; width: 42px; height: 42px; padding: 8px; }
.menu-toggle span { display: block; height: 2px; background: var(--ink); margin: 6px 0; transition: .2s; }

.hero {
  position: relative;
  min-height: 780px;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: #0b2028;
}
.hero__media, .hero__media img, .hero__media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero__media img, .hero__media video { object-position: center; transform: scale(1.04); filter: saturate(1.05) contrast(1.04); }
.hero__media:after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 25, 32, .72) 0%, rgba(8, 33, 41, .5) 40%, rgba(8, 33, 41, .18) 72%, rgba(8, 33, 41, .06) 100%),
    linear-gradient(0deg, rgba(7, 25, 32, .42) 0%, rgba(7, 25, 32, .06) 42%, rgba(7, 25, 32, .14) 100%);
}
.hero:before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(167, 214, 63, .18), transparent 28%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.08) 0 1px, transparent 1px 112px);
  mask-image: linear-gradient(90deg, #000, transparent 70%);
  pointer-events: none;
}
.hero:after {
  content: "";
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
  bottom: 0;
  height: 180px;
  background: linear-gradient(180deg, transparent, rgba(7, 25, 32, .68));
  pointer-events: none;
}
.hero__content { position: relative; z-index: 2; padding: 112px 0 132px; max-width: 760px; }
.hero .eyebrow { color: var(--lime); }
.hero h1 {
  margin: 16px 0 20px;
  max-width: 720px;
  font-size: clamp(38px, 4.8vw, 64px);
  line-height: 1.18;
  letter-spacing: 0;
  text-wrap: balance;
  text-shadow: 0 10px 24px rgba(0, 0, 0, .18);
}
.hero p { margin: 0 0 32px; color: rgba(255,255,255,.9); font-size: 18px; max-width: 640px; line-height: 1.85; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn--primary { background: var(--lime); color: #102932; box-shadow: 0 14px 34px rgba(167, 214, 63, .22); }
.btn--ghost { color: #fff; border: 1px solid rgba(255,255,255,.48); background: rgba(255,255,255,.08); backdrop-filter: blur(12px); }
.hero__panel {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 42px;
  transform: translateX(-50%);
  width: min(1200px, calc(100% - 40px));
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: linear-gradient(135deg, rgba(11, 34, 43, .92), rgba(18, 61, 65, .9));
  color: var(--white);
  box-shadow: 0 30px 80px rgba(4, 18, 24, .42);
  border: 1px solid rgba(255, 255, 255, .2);
  backdrop-filter: blur(18px);
  overflow: hidden;
}
.hero__panel:before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(167, 214, 63, .22), transparent 36%, rgba(240, 138, 36, .14));
  pointer-events: none;
}
.hero-stat {
  position: relative;
  padding: 30px 32px 28px;
  border-right: 1px solid rgba(255, 255, 255, .16);
}
.hero-stat:last-child { border-right: 0; }
.hero-stat strong {
  display: block;
  font-size: clamp(38px, 4vw, 56px);
  line-height: .9;
  color: var(--lime);
  letter-spacing: 0;
  text-shadow: 0 10px 28px rgba(167, 214, 63, .18);
}
.hero-stat strong span { color: inherit; font-size: inherit; }
.hero-stat > span {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, .78);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
}
.hero-stat.is-counted strong {
  animation: counterPop .62s cubic-bezier(.2, .95, .25, 1.25);
}

.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.split--reverse { grid-template-columns: .95fr 1.05fr; }
.image-stack { position: relative; min-height: 470px; }
.image-stack img { position: absolute; object-fit: cover; box-shadow: var(--shadow); }
.image-stack img:first-child { width: 78%; height: 420px; left: 0; top: 0; }
.image-stack img:nth-child(2) { width: 52%; height: 280px; right: 0; bottom: 0; border: 10px solid #fff; }
.feature-list { display: grid; gap: 14px; margin-top: 28px; }
.feature {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  background: #fff;
}
.feature__icon { width: 48px; height: 48px; background: #e7f5ef; color: var(--green); display: grid; place-items: center; font-weight: 800; }
.feature h3 { margin: 0 0 4px; font-size: 18px; }
.feature p { margin: 0; color: var(--muted); }

.product-showcase { display: grid; grid-template-columns: 270px 1fr; gap: 30px; }
.filter-panel { display: grid; gap: 10px; align-content: start; }
.filter-panel button {
  border: 1px solid var(--line);
  background: #fff;
  padding: 16px 18px;
  text-align: left;
  font-weight: 700;
  cursor: pointer;
  transition: .2s ease;
}
.filter-panel button.is-active, .filter-panel button:hover { background: var(--green); border-color: var(--green); color: #fff; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.product-card {
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.product-card img { width: 100%; height: 230px; object-fit: cover; background: #edf3f2; }
.product-card__body { padding: 20px; }
.product-card h3 { margin: 0 0 8px; font-size: 20px; }
.product-card p { margin: 0; color: var(--muted); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag-row span { background: #eef7f1; color: var(--green-dark); padding: 4px 10px; font-size: 12px; font-weight: 700; }

.advantage-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.advantage-card { padding: 30px 24px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); }
.advantage-card strong { display: block; color: var(--lime); font-size: 42px; line-height: 1; margin-bottom: 16px; }
.advantage-card h3 { margin: 0 0 8px; }
.advantage-card p { color: rgba(255,255,255,.72); margin: 0; }

.tabs { display: grid; gap: 28px; }
.tab-buttons { display: flex; gap: 12px; flex-wrap: wrap; }
.tab-buttons button {
  border: 1px solid var(--line);
  background: #fff;
  padding: 12px 22px;
  font-weight: 800;
  cursor: pointer;
}
.tab-buttons button.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; animation: fadeIn .28s ease; }
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.process-card { background: #fff; border: 1px solid var(--line); position: relative; overflow: hidden; }
.process-card img { width: 100%; height: 210px; object-fit: cover; }
.process-card__body { padding: 20px; }
.process-card b { color: var(--orange); }
.process-card h3 { margin: 4px 0 8px; font-size: 20px; }
.process-card p { margin: 0; color: var(--muted); }

.media-band { display: grid; grid-template-columns: 1fr 1fr; min-height: 440px; }
.media-band__copy {
  padding: 70px max(40px, calc((100vw - 1200px) / 2));
  background: linear-gradient(155deg, #ebf4ef, #d8e6df 78%);
  display: grid;
  align-content: center;
  position: relative;
  overflow: hidden;
}
.media-band__copy:after {
  content: "";
  position: absolute;
  inset: auto -60px -80px auto;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(167, 214, 63, .18), rgba(167, 214, 63, 0));
  pointer-events: none;
}
.media-band__copy h2 { font-size: clamp(28px, 4vw, 44px); line-height: 1.18; margin: 8px 0 16px; }
.media-band__copy p { color: var(--muted); margin: 0 0 24px; }
.media-band__visual {
  position: relative;
  min-height: 440px;
  background: #102932;
}
.media-band__visual:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(16, 41, 50, .06), rgba(16, 41, 50, .24));
  pointer-events: none;
}
.media-band video, .media-band img { width: 100%; height: 100%; object-fit: cover; }

.article-grid, .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card, .case-card { border: 1px solid var(--line); background: #fff; overflow: hidden; transition: .25s ease; }
.article-card:hover, .case-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.article-card img, .case-card img { width: 100%; height: 220px; object-fit: cover; }
.article-card__body, .case-card__body { padding: 22px; }
.article-card time { color: var(--green); font-weight: 700; font-size: 13px; }
.article-card h3, .case-card h3 { margin: 8px 0; font-size: 20px; }
.article-card p, .case-card p { margin: 0; color: var(--muted); }

.inner-hero { position: relative; min-height: 330px; display: grid; align-items: center; color: #fff; overflow: hidden; }
.inner-hero img, .inner-hero__shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.inner-hero img { object-fit: cover; }
.inner-hero__shade { background: linear-gradient(90deg, rgba(12,35,44,.86), rgba(12,35,44,.42)); }
.inner-hero__content { position: relative; z-index: 1; padding-top: 50px; }
.inner-hero span { color: var(--lime); font-weight: 800; }
.inner-hero h1 { font-size: clamp(34px, 5vw, 58px); margin: 8px 0; }
.inner-hero p { margin: 0; color: rgba(255,255,255,.78); }
.breadcrumb { width: min(1200px, calc(100% - 40px)); margin: 28px auto 0; color: var(--muted); font-size: 14px; }
.breadcrumb a { color: var(--green); }
.breadcrumb span { margin-left: 8px; }

.content-panel { background: #fff; border: 1px solid var(--line); padding: 38px; }
.content-panel img { height: auto; }
.rich-text { color: #33434d; }
.rich-text h2, .rich-text h3 { color: var(--ink); line-height: 1.3; }
.rich-text p { margin: 0 0 16px; }
.rich-text table { width: 100%; border-collapse: collapse; }
.rich-text td, .rich-text th { border: 1px solid var(--line); padding: 12px; }

.timeline { display: grid; gap: 18px; margin-top: 26px; }
.timeline-item { display: grid; grid-template-columns: 96px 1fr; gap: 20px; align-items: start; }
.timeline-item strong { color: var(--green); font-size: 24px; }
.timeline-item div { border-left: 3px solid var(--line); padding-left: 22px; }

.page-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.page-link-card {
  display: block;
  padding: 24px 26px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff, #f6fbf9);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.page-link-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(15, 138, 103, .24);
}
.page-link-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 22px;
}
.page-link-card span {
  color: var(--muted);
  font-size: 14px;
}

.honor-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.honor-card {
  background: #fff;
  border: 1px solid var(--line);
  padding: 22px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.honor-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}
.honor-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #f7faf9;
  padding: 14px;
}
.honor-card h3 {
  margin: 16px 0 8px;
  font-size: 18px;
  line-height: 1.35;
}
.honor-card p {
  margin: 0;
  color: var(--muted);
}

.contact-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 32px; }
.contact-card { background: #fff; border: 1px solid var(--line); padding: 30px; }
.contact-card h3 { margin-top: 0; }
.contact-card p { color: var(--muted); }
.map-box { min-height: 430px; background: #dfe9e6; position: relative; overflow: hidden; }
.map-box iframe { width: 100%; height: 100%; min-height: 430px; border: 0; filter: grayscale(.08); }
.map-fallback { position: absolute; inset: auto 24px 24px; background: rgba(255,255,255,.92); padding: 18px; box-shadow: var(--shadow); }
.message-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.message-form label { display: grid; gap: 7px; color: var(--muted); font-size: 14px; }
.message-form input, .message-form textarea {
  border: 1px solid var(--line);
  padding: 13px 14px;
  outline: 0;
  background: #fbfcfc;
}
.message-form textarea, .message-form .full { grid-column: 1 / -1; }
.message-form button { grid-column: 1 / -1; border: 0; background: var(--green); color: #fff; min-height: 48px; font-weight: 800; cursor: pointer; }

.pager { margin: 44px 0; text-align: center; }
.pager a, .pager span { display: inline-flex; min-width: 38px; height: 38px; padding: 0 12px; margin: 4px; align-items: center; justify-content: center; border: 1px solid var(--line); background: #fff; }
.pager a:hover, .pager .current { background: var(--green); color: #fff; border-color: var(--green); }

.site-footer { background: #102932; color: rgba(255,255,255,.78); }
.footer-grid { display: grid; grid-template-columns: 1.3fr .7fr 1fr; gap: 52px; padding: 62px 0; }
.footer-grid h3, .footer-grid h4 { color: #fff; margin-top: 0; }
.footer-links { display: grid; gap: 8px; align-content: start; }
.footer-links a:hover, .footer-contact a:hover { color: var(--lime); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0; font-size: 14px; }
.footer-bottom .container { display: flex; gap: 14px; flex-wrap: wrap; justify-content: space-between; }
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border: 0;
  background: var(--green);
  opacity: 0;
  pointer-events: none;
  transition: .2s ease;
  z-index: 20;
}
.back-top:before { content: ""; width: 12px; height: 12px; border-left: 3px solid #fff; border-top: 3px solid #fff; transform: rotate(45deg); position: absolute; left: 16px; top: 18px; }
.back-top.is-visible { opacity: 1; pointer-events: auto; }

[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes counterPop {
  0% { transform: translateY(12px) scale(.86); opacity: .45; }
  70% { transform: translateY(-2px) scale(1.05); opacity: 1; }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}

@media (max-width: 1060px) {
  .site-search { display: none; }
  .menu-toggle { display: block; margin-left: auto; }
  .main-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 116px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-top: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 15px 24px; }
  .main-nav a:after { display: none; }
  .hero__content { max-width: 600px; padding: 84px 0 112px; }
  .hero h1 { font-size: clamp(34px, 5.2vw, 52px); line-height: 1.16; }
  .hero p { max-width: 560px; font-size: 17px; }
  .hero__panel, .advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .split, .product-showcase, .media-band, .contact-layout { grid-template-columns: 1fr; }
  .product-grid, .process-grid, .article-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .media-band__copy { padding: 58px 40px; }
  .media-band__visual { min-height: 360px; }
  .honor-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .container { width: min(100% - 28px, 1200px); }
  .top-strip { display: none; }
  .nav-shell { min-height: 70px; }
  .brand { gap: 10px; }
  .brand img { width: 78px; height: 54px; }
  .brand strong { font-size: 16px; }
  .brand em { display: none; }
  .main-nav { top: 70px; }
  .hero { min-height: auto; display: block; padding: 1px 0 24px; }
  .hero__content { padding: 72px 0 54px; }
  .hero h1 { font-size: clamp(28px, 8.4vw, 40px); margin: 12px 0 16px; line-height: 1.22; }
  .hero p { font-size: 15px; line-height: 1.75; }
  .hero__actions { gap: 10px; }
  .btn { min-height: 44px; padding: 0 18px; font-size: 14px; }
  .hero__panel {
    position: relative;
    left: auto;
    bottom: auto;
    transform: none;
    width: min(100% - 28px, 1200px);
    margin: 0 auto;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-radius: 0;
  }
  .hero-stat {
    min-height: 104px;
    padding: 18px 14px 16px;
    border-right: 1px solid rgba(255, 255, 255, .14);
    border-bottom: 1px solid rgba(255, 255, 255, .14);
  }
  .hero-stat:nth-child(2n) { border-right: 0; }
  .hero-stat:nth-last-child(-n+2) { border-bottom: 0; }
  .hero-stat strong { font-size: 34px; }
  .hero-stat > span {
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.35;
    word-break: keep-all;
  }
  .section { padding: 62px 0; }
  .section-head { display: block; margin-bottom: 26px; }
  .section-head p { margin-top: 12px; }
  .feature-list { gap: 12px; }
  .feature { grid-template-columns: 40px 1fr; padding: 16px; }
  .feature__icon { width: 40px; height: 40px; font-size: 14px; }
  .image-stack { min-height: 360px; }
  .image-stack img:first-child { height: 310px; width: 88%; }
  .image-stack img:nth-child(2) { height: 190px; width: 56%; }
  .filter-panel {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    overflow-x: auto;
    padding-bottom: 4px;
    margin: 0 -2px 6px;
  }
  .filter-panel button { white-space: nowrap; padding: 12px 16px; }
  .product-card img,
  .article-card img,
  .case-card img,
  .process-card img { height: 210px; }
  .process-card__body,
  .article-card__body,
  .case-card__body,
  .product-card__body { padding: 18px; }
  .tab-buttons { gap: 10px; }
  .tab-buttons button { width: 100%; }
  .media-band { min-height: 0; }
  .media-band__copy { padding: 40px 20px; }
  .media-band__copy h2 { margin-bottom: 12px; }
  .media-band__visual { min-height: 240px; }
  .inner-hero { min-height: 250px; }
  .inner-hero__content { padding-top: 38px; }
  .inner-hero h1 { font-size: clamp(28px, 9vw, 42px); }
  .timeline-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .timeline-item strong { font-size: 22px; }
  .timeline-item div {
    border-left: 0;
    border-top: 3px solid var(--line);
    padding-left: 0;
    padding-top: 14px;
  }
  .page-links { grid-template-columns: 1fr; }
  .honor-grid { grid-template-columns: 1fr; }
  .contact-card { padding: 22px; }
  .map-box,
  .map-box iframe { min-height: 320px; }
  .map-fallback {
    left: 16px;
    right: 16px;
    bottom: 16px;
    inset: auto 16px 16px 16px;
  }
  .product-grid, .process-grid, .article-grid, .case-grid, .footer-grid, .advantage-grid { grid-template-columns: 1fr; }
  .message-form { grid-template-columns: 1fr; }
  .content-panel { padding: 22px; }
  .footer-grid { gap: 24px; padding: 46px 0; }
  .footer-bottom .container { justify-content: flex-start; }
}