/* =========================================================
   FULILION — English Homepage
   Brand palette: logo red #e6352f (accent) + logo purple #402877 (dark tone)
   Design System: adapted from HUCEO reference style (B2B industrial)
   ========================================================= */

:root {
  --brand:       #e6352f;   /* logo red  */
  --navy:        #402877;   /* logo purple (dark tone) */
  --purple-mid:  #5a3a96;
  --brand-hover: #c52a22;
  --ink:         #1A1F2B;
  --body:        #3F4654;
  --muted:       #6B7280;
  --light:       #C9B8E8;
  --light-2:     #E4DBF2;
  --light-3:     #D6E4F5;
  --blue-soft:   #F2EBF8;
  --blue-line:   #c98fd8;
  --bg-soft:     #F4F7FB;
  --line:        #E6EBF2;
  --white:       #FFFFFF;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body { width: 100%; }

body {
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 18px;
  line-height: 2;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

/* ---------- Public utility classes ---------- */
.w1600 { width: 1600px; max-width: 95%; margin: auto; }
.pdt80 { padding-top: 80px; padding-bottom: 80px; }

/* ---------- Full-width responsive layout ---------- */
#stage { padding-top: 140px; }

/* =========================================================
   HEADER — two rows (utility bar + main bar)
   ========================================================= */
.site-header {
  position: fixed; top: 0; left: 0; width: 100%;
  background: var(--white);
  box-shadow: 0 1px 0 var(--line);
  z-index: 1000;
}

/* ---- Row 1: utility bar ---- */
.top-bar { background: var(--brand); }
.top-bar-inner {
  height: 40px; display: flex; align-items: center;
  justify-content: space-between;
  font-size: 16px;
}
.tb-left { display: flex; align-items: center; gap: 24px; }
.tb-item {
  display: inline-flex; align-items: center; gap: 5px;
  color: var(--white); transition: color .15s ease;
}
.tb-item:hover { color: var(--white); opacity: .85; }
.tb-item .ic { width: 18px; height: 18px; flex: 0 0 18px; color: var(--white); }

.tb-right { display: flex; align-items: center; gap: 20px; }
.socials { display: flex; align-items: center; gap: 12px; }
.social {
  width: 26px; height: 26px; border-radius: 50%;border: 1px solid var(--line);
  background: var(--white); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
  transition: background .15s ease, color .15s ease;
}
.social i { font-size: 16px; line-height: 1; }
.social:hover {border-color: var(--brand);}

/* language dropdown */
.lang-dropdown { position: relative; margin-left: 18px; }
.lang-current {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--white); border: 1px solid var(--line);
  border-radius: 20px; padding: 5px 12px; cursor: pointer;
  font-size: 16px; color: var(--ink); font-family: inherit;
  transition: border-color .15s ease;
}
.lang-current:hover { border-color: var(--brand); }
.lang-current .ic-globe,
.lang-current .icon-shixindiqiu { font-size: 18px; color: var(--brand); display: inline-flex; }
.lang-current .lang-label { font-weight: 600; }
.lang-current .caret { width: 12px; height: 12px; transition: transform .2s ease; }
.lang-dropdown.open .caret { transform: rotate(180deg); }
.lang-menu {
  position: absolute; top: calc(100% + 8px); right: -20px;
  min-width: 130px; background: var(--white);
  border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 12px 30px rgba(64,40,119,.14);
  padding: 6px; opacity: 0; visibility: hidden;
  transform: translateY(-6px); transition: all .18s ease;
  z-index: 60;
}
.lang-dropdown.open .lang-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-item {
  display: block; padding: 8px 12px; border-radius: 6px;
  font-size: 16px; color: var(--body); cursor: pointer;
  transition: background .15s ease, color .15s ease; text-align: center;
}
.lang-item:hover { background: var(--bg-soft); color: var(--brand); }
.lang-item.active { color: var(--brand); font-weight: 600; }

/* ---- Row 2: main bar ---- */
.main-bar { background: var(--white); }
.main-bar-inner {
  height: 100px; display: flex; align-items: center;
  justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-img { height: 60px; width: auto; display: block; }

.nav { display: flex; align-items: center; gap: 40px; }
.nav-item { position: relative; }
.nav-item > a {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 18px; color: var(--ink); transition: color .15s ease; line-height: 100px;
}
.nav-item > a:hover { color: var(--brand); }
.nav-item > a.active { color: var(--brand); font-weight: 600; }
.nav-item .caret { width: 12px; height: 12px; transition: transform .2s ease; }
.nav-item.has-dropdown:hover .caret,
.nav-item.has-dropdown.open .caret { transform: rotate(180deg); }

.dropdown {
  position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 250px; background: var(--white);
  border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 14px 34px rgba(64,40,119,.14);
  padding: 8px; opacity: 0; visibility: hidden;
  transition: all .18s ease; z-index: 50;
}
.nav-item.has-dropdown:hover .dropdown,
.nav-item.has-dropdown.open .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown a {
  display: block; padding: 10px 14px; border-radius: 6px;
  font-size: 16px; color: var(--body); transition: background .15s ease, color .15s ease;
}
.dropdown a:hover { background: var(--bg-soft); color: var(--brand); }

.main-actions { display: flex; align-items: center; gap: 14px; }
.search-btn {
  width: 40px; height: 40px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--white);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink); cursor: pointer; transition: all .15s ease;
}
.search-btn svg { width: 18px; height: 18px; }
.search-btn:hover { border-color: var(--brand); color: var(--brand); }
.quote-btn {
  display: flex; align-items: center; justify-content: center;
  padding: 10px 22px; border-radius: 6px;
  background: var(--brand); color: var(--white);
  font-size: 16px; font-weight: 600; cursor: pointer; line-height: 1.2;
  transition: background .15s ease;
}
.quote-btn:hover { background: #c52a22; }

/* ---- Search overlay ---- */
.search-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(64,40,119,.55);
  display: flex; align-items: flex-start; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity .2s ease;
  padding-top: 160px;
}
.search-overlay.open { opacity: 1; visibility: visible; }
.search-panel {
  width: 640px; max-width: 90%; display: flex; flex-direction: column;
  transform: translateY(-12px); transition: transform .2s ease;
}
.search-overlay.open .search-panel { transform: translateY(0); }
.search-box {
  width: 100%; background: var(--white);
  border-radius: 12px; display: flex; align-items: center;gap: 10px;
  padding: 6px 8px 6px 8px;
  box-shadow: 0 24px 60px rgba(64,40,119,.28);
}
.search-input {
  flex: 1; border: none; outline: none;
  font-size: 16px; color: var(--ink); font-family: inherit;
  padding: 14px 12px; background: transparent; min-width: 0;
}
.search-go {
  width: 40px; height: 40px; border: none;background: none;
  color: var(--brand); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s ease; flex: 0 0 40px;
}
.search-go svg { width: 24px; height: 24px; }
.search-go:hover { color: #c52a22; }
.search-close {
  width: 40px; height: 40px; border-radius: 8px; border: none;
  background: var(--bg-soft); color: var(--muted);
  font-size: 30px; line-height: 1; cursor: pointer; transition: all .15s ease;
  flex: 0 0 40px;
}
.search-close:hover { background: var(--line); color: var(--ink); }

/* search results */
.search-results {
  margin-top: 12px; background: var(--white);
  border-radius: 12px; box-shadow: 0 24px 60px rgba(64,40,119,.28);
  overflow: hidden; display: none;
}
.search-results.show { display: block; }
.search-result {
  display: block; padding: 14px 20px; border-bottom: 1px solid var(--line);
  transition: background .15s ease;
}
.search-result:last-child { border-bottom: none; }
.search-result:hover { background: var(--bg-soft); }
.search-result .r-title { font-size: 16px; font-weight: 600; color: var(--ink); }
.search-result .r-text { font-size: 14px; color: var(--muted); margin-top: 2px; line-height: 1.5; }
.search-result .r-title mark,
.search-result .r-text mark { background: #FFF2B8; color: var(--ink); padding: 0 2px; border-radius: 2px; }
.search-empty { padding: 18px 20px; font-size: 14px; color: var(--muted); }

/* =========================================================
   BANNER / HERO (Swiper with gradient + text overlay)
   ========================================================= */
.banner { width: 100%; overflow: hidden; }
.banner-swiper { width: 100%; }
.banner .hero-slide {
  width: 100%; height: calc(100vh - 140px);
  position: relative; overflow: hidden;
  background: var(--navy);
}
.slide-img {
  display: block; width: 100%; height: 100%;
  object-fit: cover; object-position: center;
}
/* dark scrim on the left for copy legibility over any photo */
.slide-scrim {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(90deg, rgba(28,12,46,.82) 0%, rgba(28,12,46,.55) 38%, rgba(28,12,46,.10) 75%, rgba(28,12,46,0) 100%),
    linear-gradient(0deg, rgba(28,12,46,.45) 0%, rgba(28,12,46,0) 45%);
}
.hero-content {
  position: absolute; z-index: 2;
  top: 50%; left: 0; right: 0;
  transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 18px;
  padding: 40px 0;
}
.hero-tag {
  display: inline-block; align-self: flex-start;
  font-size: 16px; font-weight: 500;
  color: var(--light-2); letter-spacing: 1.5px;
  background: rgba(255,255,255,.10);
  backdrop-filter: blur(4px);
  padding: 6px 18px; border-radius: 20px;
  border: 1px solid rgba(255,255,255,.15);
}
.hero-title {
  font-size: 52px; font-weight: 700; color: var(--white);
  line-height: 1.25; max-width: 650px;
}
.hero-sub {
  font-size: 20px; color: rgba(255,255,255,.82);
  line-height: 1.65; max-width: 560px;
}
.hero-cta {
  display: inline-flex; align-self: flex-start; align-items: center; gap: 8px;
  padding: 13px 32px; border-radius: 8px;
  background: var(--white); color: var(--navy);
  font-size: 18px; font-weight: 700;
  transition: transform .15s ease, box-shadow .15s ease;
}
.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,.22);
}

/* prev / next arrows */
.banner-swiper .swiper-button-prev,
.banner-swiper .swiper-button-next {
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,.88); color: var(--navy);
  transition: background .15s ease, color .15s ease;
}
.banner-swiper .swiper-button-prev:hover,
.banner-swiper .swiper-button-next:hover {
  background: var(--brand); color: var(--white);
}
.banner-swiper .swiper-button-prev::after,
.banner-swiper .swiper-button-next::after { font-size: 22px; font-weight: 700; }
.banner-swiper .swiper-button-prev { left: 24px; }
.banner-swiper .swiper-button-next { right: 24px; }
/* pagination dots */
.banner-swiper .swiper-pagination { bottom: 24px; }
.banner-swiper .swiper-pagination-bullet {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,.55); opacity: 1;
  transition: width .2s ease, border-radius .2s ease, background .2s ease;
}
.banner-swiper .swiper-pagination-bullet-active {
  width: 28px; border-radius: 5px; background: var(--white);
}

/* =========================================================
   SECTION TITLE BLOCK
   ========================================================= */
.title-block { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.title-block h2 { font-size: 40px; font-weight: 700; color: var(--ink); text-align: center; line-height: 1.4; }
.title-block p  { font-size: 18px; font-weight: 400; color: var(--muted); text-align: center; line-height: 1.6; }

/* =========================================================   SECTION BACKGROUNDS
   ========================================================= */
.about-section      { background: var(--white); }
.products-section   { background: var(--bg-soft); }
.divisions-section  { background: var(--white); }
.why-section        { background: linear-gradient(135deg, #402877 0%, #5a3a96 55%, #e6352f 130%); }
.process-section    { background: var(--white); }
.equipment-section  { background: var(--bg-soft); }
.inquiry-section    { background: var(--bg-soft); }

.about-section > .w1600,
.products-section > .w1600,
.divisions-section > .w1600,
.why-section > .w1600,
.process-section > .w1600,
.equipment-section > .w1600,
.inquiry-section > .w1600,
.news-section > .w1600{
  display: flex; flex-direction: column; gap: 44px;
}

/* =========================================================
   ABOUT
   ========================================================= */
.about-row { display: flex; align-items: center; gap: 48px; flex-direction: row-reverse; }
.about-text { display: flex; flex-direction: column; gap: 18px; width: 48%; }
.about-text p { font-size: 18px; font-weight: 400; color: var(--body); line-height: 2; }
.about-text p strong { color: var(--brand); font-weight: 700; }
.learn-more {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 18px; font-weight: 600; color: var(--brand); cursor: pointer;
}
.learn-more svg { width: 16px; height: 16px; }
.about-image { flex: 1; border-radius: 12px; min-width: 0; overflow: hidden; min-height: 320px; }
.about-image img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* stats */
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 8px; }
.stat-item {
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 12px; padding: 30px 24px; text-align: center;
}
.stat-num { font-size: 36px; font-weight: 700; color: var(--brand); line-height: 1.15; }
.stat-label { font-size: 16px; color: var(--muted); margin-top: 10px; line-height: 1.5; }

/* =========================================================
   PRODUCTS
   ========================================================= */
.product-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.product-card {
  width: auto; background: var(--white);
  border-radius: 12px; border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color .15s ease, box-shadow .15s ease, transform .2s ease;
}
.product-card:hover {
  border-color: var(--brand);
  box-shadow: 0 8px 28px rgba(230,53,47,.10);
  transform: translateY(-4px);
}
.product-card .card-img { width: 100%; overflow: hidden; }
.product-card .card-img img { width: 100%; height: auto; display: block; }
.product-card .card-body { display: flex; flex-direction: column; gap: 8px; padding: 20px;border-top: 1px solid var(--line); }
.product-card .card-title { font-size: 20px; font-weight: 600; color: var(--ink); }
.product-card .card-desc  { font-size: 16px; font-weight: 400; color: var(--muted); line-height: 1.75; }
.product-card .card-learn { font-size: 16px; font-weight: 600; color: var(--brand); }

/* =========================================================
   NEWS / LATEST NEWS (recommended news on homepage)
   ========================================================= */
.news-section    { background: var(--white); }
.news-grid       { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card       { background: var(--white); border: 1px solid var(--line); border-radius: 12px;
                   overflow: hidden; display: flex; flex-direction: column;
                   transition: border-color .15s ease, box-shadow .15s ease, transform .2s ease; }
.news-card:hover { border-color: var(--brand); box-shadow: 0 8px 28px rgba(230,53,47,.10); transform: translateY(-4px); }
.news-thumb      { display: block;}
.news-thumb img  { width: 100%; height: 100%; object-fit: cover; display: block; }
.news-body       { display: flex; flex-direction: column; gap: 10px; padding: 20px; flex: 1; }
.news-meta       { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--muted); }
.news-cat        { color: var(--brand); font-weight: 600; background: var(--blue-soft); padding: 3px 12px; border-radius: 20px; }
.news-title      { font-size: 20px; font-weight: 600; color: var(--ink); line-height: 1.5; }
.news-title a    { color: inherit; text-decoration: none; transition: color .15s ease; }
.news-title a:hover { color: var(--brand); }
.news-excerpt    { font-size: 16px; color: var(--muted); line-height: 1.7; flex: 1; }
.news-more       { font-size: 16px; font-weight: 600; color: var(--brand); display: inline-flex; align-items: center; gap: 6px; }
.news-more svg   { width: 16px; height: 16px; transition: transform .15s ease; }
.news-card:hover .news-more svg { transform: translateX(4px); }
.news-more-wrap  { text-align: center;}
.news-all-btn    { display: inline-flex; align-items: center; gap: 8px; padding: 12px 30px; border-radius: 8px;
                   border: 1px solid var(--brand); color: var(--brand); font-size: 16px; font-weight: 600; transition: all .15s ease; }
.news-all-btn:hover { background: var(--brand); color: var(--white); }
@media (max-width: 1200px){ .news-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .news-grid { grid-template-columns: 1fr; } }

/* =========================================================
   CAPABILITIES / DIVISIONS
   ========================================================= */
.division-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.division-card {
  width: auto; padding: 28px; border-radius: 12px;
  background: var(--bg-soft);
  display: flex; flex-direction: column; gap: 14px;
  transition: border-color .15s ease, box-shadow .15s ease, transform .2s ease;
  border: 1px solid transparent;
}
.division-card:hover {
  border-color: var(--brand);
  box-shadow: 0 8px 28px rgba(230,53,47,.10);
  transform: translateY(-4px);
}
.div-icon {
  width: 54px; height: 54px; border-radius: 12px;
  background: var(--blue-soft);
  display: flex; align-items: center; justify-content: center;
}
.div-icon svg { width: 32px; height: 32px; }
.division-card .div-title { font-size: 20px; font-weight: 600; color: var(--ink); }
.division-card .div-desc  { font-size: 16px; font-weight: 400; color: var(--muted); line-height: 1.7; }

/* =========================================================
   WHY CHOOSE (dark band)
   ========================================================= */
.why-section .title-block h2 { color: var(--white); }
.why-section .title-block p  { color: var(--light-2); }
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.why-card {
  width: auto; padding: 26px; border-radius: 12px;
  background: rgba(255,255,255,.07);
  display: flex; align-items: center; gap: 16px;
  border: 1px solid rgba(255,255,255,.08);
  transition: background .15s ease, border-color .15s ease;
}
.why-card:hover {
  background: rgba(255,255,255,.11);
  border-color: rgba(255,255,255,.16);
}
.why-check { width: 28px; height: 28px; flex: 0 0 28px; }
.why-check svg { width: 28px; height: 28px; }
.why-text { display: flex; flex-direction: column; gap: 6px; }
.why-text .why-title { font-size: 20px; font-weight: 600; color: var(--white); }
.why-text .why-desc  { font-size: 16px; font-weight: 400; color: var(--light); line-height: 1.7; }

/* =========================================================
   PROCESS
   ========================================================= */
.process-steps {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  position: relative;
}
.process-step { width: auto; display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; position: relative; }
.process-step:not(:last-child)::after {
  content: "";
  position: absolute; top: 24px; left: calc(50% + 36px);
  width: calc(100% - 72px); height: 2px;
  background: repeating-linear-gradient(
    to right,
    var(--brand) 0, var(--brand) 8px,
    transparent 8px, transparent 16px
  );
}
.process-num {
  width: 48px; height: 48px; border-radius: 24px;
  background: var(--brand);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 700; color: var(--white);
  flex-shrink: 0; z-index: 1;
}
.process-step .step-title { font-size: 22px; font-weight: 600; color: var(--ink); }
.process-step .step-desc  { font-size: 16px; font-weight: 400; color: var(--muted); line-height: 1.7; }

/* =========================================================
   EQUIPMENT
   ========================================================= */
.equipment-swiper { position: relative; width: 100%; }
.equipment-swiper .swiper-slide { height: auto; }
.equipment-swiper .equip { width: 100%; border-radius: 12px; overflow: hidden; }
.equipment-swiper .equip img { width: 100%; height: 100%; object-fit: cover; display: block; }
.equipment-swiper .equip-name {
  margin-top: 12px;
  text-align: center;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* prev / next arrows */
.equipment-swiper .swiper-button-prev,
.equipment-swiper .swiper-button-next {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--white); color: var(--brand);
  border: 1px solid var(--line);
  top: 50%;
  margin-top: -22px;
  transition: background .15s ease, color .15s ease;
}
.equipment-swiper .swiper-button-prev:hover,
.equipment-swiper .swiper-button-next:hover {
  background: var(--brand); color: var(--white);
}
.equipment-swiper .swiper-button-prev::after,
.equipment-swiper .swiper-button-next::after { font-size: 20px; font-weight: 700; }
.equipment-swiper .swiper-button-prev { left: 12px; }
.equipment-swiper .swiper-button-next { right: 12px; }

/* =========================================================
   INQUIRY / Request a Quote
   ========================================================= */
.inquiry-row { display: flex; gap: 48px; align-items: stretch; }
.inquiry-info { width: 360px; flex: 0 0 360px; display: flex; flex-direction: column; gap: 22px; }
.inquiry-info .info-title { font-size: 22px; font-weight: 600; color: var(--ink); }
.info-item { display: flex; gap: 14px; align-items: flex-start; }
.info-item .ic {
  width: 22px; height: 22px; flex: 0 0 22px; margin-top: 1px; color: var(--brand);
}
.info-text { display: flex; flex-direction: column; gap: 3px; }
.info-label { font-size: 16px; color: var(--muted); }
.info-value { font-size: 18px; font-weight: 500; color: var(--ink); line-height: 1.7; }

.inquiry-form {
  flex: 1; min-width: 0;
  background: var(--white); border: 1px solid var(--line);
  border-radius: 12px; padding: 32px;
  display: flex; flex-direction: column; gap: 18px;
}
.form-row { display: flex; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 0; }
.form-field label { font-size: 16px; color: var(--muted); }
.form-field input,
.form-field textarea,
.form-field select {
  border: 1px solid var(--line); border-radius: 8px;
  padding: 12px 14px; font-size: 16px; color: var(--ink);
  font-family: inherit; background: var(--white);
  outline: none; transition: border-color .15s ease;
}
.form-field input::placeholder,
.form-field textarea::placeholder { color: #AEB6C2; }
.form-field select:invalid { color: #AEB6C2; }
.form-field select option { color: var(--ink); }
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus { border-color: var(--brand); }
.form-field textarea { resize: vertical; min-height: 280px; }
.form-submit {
  align-self: flex-start; padding: 13px 32px; border-radius: 6px;
  background: var(--brand); color: var(--white);
  font-size: 18px; font-weight: 600; border: none; cursor: pointer;
  transition: background .15s ease;
}
.form-submit:hover { background: #c52a22; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer { background: var(--navy); display: flex; flex-direction: column; }
.footer-top {
  display: flex; justify-content: space-between;
  padding: 56px 0 40px;
}
.brand-col { width: 25%; display: flex; flex-direction: column; gap: 14px; }
.brand-logo {}
.brand-logo img{display: block;height: 58px;}
.brand-tag  { font-size: 16px; font-weight: 500; color: var(--light-2); }
.brand-desc { font-size: 14px; font-weight: 400; color: var(--light); line-height: 1.7; }

.footer-col { width: 15%; display: flex; flex-direction: column; gap: 10px; }
.footer-col.contact { width: 33%; }
.footer-col h4 { font-size: 20px; font-weight: 600; color: var(--white); margin-bottom: 2px; }
.footer-col a, .footer-col span {
  font-size: 16px; font-weight: 400; color: var(--light);
  transition: color .15s ease; line-height: 2;
}
.footer-col a:hover { color: var(--white); }

.footer-divider { width: 100%; height: 1px; background: rgba(255,255,255,.10); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; padding: 20px 0;
}
.footer-bottom .copyright { font-size: 16px; font-weight: 400; color: var(--light); }

/* =========================================================
   PLACEHOLDER (gray image stand-in)
   ========================================================= */
.ph {
  background: linear-gradient(135deg, #EEF1F5 0%, #E2E7EE 100%);
  display: flex; align-items: center; justify-content: center;
  color: #9AA4B2; font-size: 16px; letter-spacing: 1px;
  text-transform: uppercase; position: relative; overflow: hidden;
}
.ph::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(230,53,47,.05) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(230,53,47,.04) 0%, transparent 45%);
}
.ph::after { content: attr(data-label); position: relative; z-index: 1; }

/* =========================================================
   TOAST NOTIFICATION
   ========================================================= */
.toast {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--navy); color: var(--white);
  padding: 14px 28px; border-radius: 10px;
  font-size: 16px; font-weight: 500;
  box-shadow: 0 12px 36px rgba(64,40,119,.28);
  opacity: 0; visibility: hidden;
  transition: all .3s ease;
  z-index: 9999;
  white-space: nowrap;
}
.toast.show {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1380px) {
  .nav { gap: 24px; }
}

@media (max-width: 1200px) {
  .product-grid    { grid-template-columns: repeat(2, 1fr); }
  .division-grid   { grid-template-columns: repeat(2, 1fr); }
  .why-grid        { grid-template-columns: repeat(2, 1fr); }
  .process-steps   { grid-template-columns: repeat(2, 1fr); }
  .stat-row        { grid-template-columns: repeat(2, 1fr); }
  .hero-slide      { height: auto; }
  .hero-title      { font-size: 42px; }
}

@media (max-width: 992px) {
  .about-row       { flex-direction: column; align-items: stretch; }
  .about-text      { width: 100%; }
  .about-image     { height: 300px; }
  .inquiry-row     { flex-direction: column; }
  .inquiry-info    { width: 100%; flex: none; }

  .footer-top      { flex-wrap: wrap; gap: 30px; }
  .brand-col       { width: 100%; }
  .footer-col      { width: calc(50% - 15px); }
  .footer-col.contact { width: 100%; }
}

@media (max-width: 768px) {
  #stage          { padding-top: 64px; }
  .top-bar        { display: none; }

  .main-bar-inner { height: 64px; padding: 0 16px; gap: 12px; }
  .logo-img       { height: 44px; }

  .main-actions   { flex: 0 0 auto; gap: 10px; }
  .search-btn     { width: 36px; height: 36px; }
  .search-btn svg { width: 16px; height: 16px; }
  .quote-btn      { display: none; }

  .product-grid,
  .division-grid,
  .why-grid,
  .process-steps,
  .stat-row  { grid-template-columns: 1fr; }

  .process-step:not(:last-child)::after { display: none; }

  .hero-slide     { height: auto; }
  .hero-title     { font-size: 30px; }
  .hero-sub       { font-size: 16px; }
  .hero-content   { padding: 24px 0; }
  .search-overlay { padding-top: 90px; }

  .title-block    { gap: 10px; }
  .title-block h2 { font-size: 30px; }
  .title-block p  { font-size: 16px; }

  .about-image    { height: 240px; }

  .about-section, .products-section, .divisions-section,
  .why-section, .process-section, .equipment-section, .inquiry-section {
    padding-top: 52px; padding-bottom: 52px;
  }

  .w1600          { width: 100%; max-width: 92%; }
}

@media (max-width: 480px) {
  .hero-slide     { height: auto; }
  .hero-title     { font-size: 24px; }
  .hero-sub       { font-size: 14px; }
  .hero-cta       { padding: 10px 22px; font-size: 16px; }

  .title-block h2 { font-size: 24px; }
  .title-block p  { font-size: 14px; }
  .article-title   { font-size: 24px; }

  .about-image    { height: 200px; }

  .product-card .card-body { padding: 14px; }
  .process-num    { width: 40px; height: 40px; font-size: 20px; }

  .inquiry-form   { padding: 18px; }
  .form-row       { flex-direction: column; gap: 14px; }

  .footer-col     { width: 100%; }
}

/* =========================================================
   MOBILE NAV — hamburger drawer (≤1199px)
   ========================================================= */
.nav-toggle { display: none; }

@media (max-width: 1199px) {
  .site-header { z-index: 1200; }

  #stage { padding-top: 64px; }
  .top-bar { display: none; }
  .main-bar-inner { height: 64px; padding: 0 16px; gap: 12px; justify-content: flex-start; }
  .logo { margin-right: auto; }
  .logo-img { height: 44px; }

  .nav-toggle {
    display: inline-flex; flex-direction: column; justify-content: center;
    gap: 5px; width: 40px; height: 40px; padding: 0;
    border: 1px solid var(--line); border-radius: 8px;
    background: var(--white); cursor: pointer; flex: 0 0 auto;
  }
  .nav-toggle span {
    display: block; width: 20px; height: 2px; margin: 0 auto;
    background: var(--ink); border-radius: 2px;
    transition: transform .25s ease, opacity .2s ease;
  }
  body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .nav {
    position: fixed; top: 64px; right: 0;
    width: min(82%, 340px); height: calc(100vh - 64px);
    flex: none; flex-direction: column; align-items: stretch;
    gap: 0; padding: 8px 0; overflow-y: auto; overflow-x: hidden;
    background: var(--white);
    box-shadow: -12px 0 40px rgba(64,40,119,.18);
    transform: translateX(100%);
    transition: transform .3s ease;
    z-index: 1150;
  }
  body.nav-open .nav { transform: translateX(0); }

  .nav-item { width: 100%; }
  .nav-item > a {
    justify-content: space-between; line-height: 1.4;
    padding: 15px 20px; font-size: 16px; width: 100%;
    border-bottom: 1px solid var(--line);
  }

  .dropdown {
    position: static; transform: none; opacity: 1; visibility: visible;
    min-width: 0; background: var(--bg-soft); border: none; border-radius: 0;
    box-shadow: none; padding: 0 0 8px; display: none;
  }
  .nav-item.has-dropdown.open .dropdown { display: block; }
  .nav-item.has-dropdown:hover .dropdown,
  .nav-item.has-dropdown.open .dropdown { transform: none; }
  .dropdown a {
    padding: 12px 36px; font-size: 16px;
    border-bottom: 1px solid rgba(230,235,242,.6);
  }

  body.nav-open::after {
    content: ""; position: fixed; inset: 0;
    background: rgba(64,40,119,.45); z-index: 1100;
  }
  body.nav-open { overflow: hidden; }

  .form-row { flex-direction: column; gap: 18px; }
  .form-field { width: 100%; }

  .footer-top { gap: 20px; }
  .footer-col, .footer-col.contact { width: 100%; }
}

/* =========================================================
   INNER PAGES — shared (page hero / breadcrumb / layouts)
   复用首页 :root 变量与组件类，仅新增内页专属类
   ========================================================= */
.page-hero {
  position: relative;
  background-color: var(--navy);
  background-size: cover; background-position: center;
  padding: 100px 0 100px;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(64,40,119,.5) 0%, rgba(90,58,150,0) 60%, rgba(230,53,47,0) 135%);
}
.page-hero > .w1600 { position: relative; z-index: 1; }
.page-hero .hero-kicker { display: inline-block; font-size: 16px; font-weight: 500; letter-spacing: 2px; color: var(--light-2); text-transform: uppercase; margin-bottom: 14px; }
.page-hero h1 { font-size: 40px; font-weight: 700; color: var(--white); line-height: 1.35; }
.page-hero p { font-size: 18px; color: rgba(255,255,255,.82); margin-top: 14px; line-height: 1.7; }
.breadcrumb { display: flex; align-items: center;gap: 8px; font-size: 16px; color: rgba(255,255,255,.7); margin-bottom: 18px; flex-wrap: wrap; }
.breadcrumb a { color: rgba(255,255,255,.8); transition: color .15s ease; }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb .sep { color: rgba(255,255,255,.45); }
.breadcrumb .cur { color: var(--white); font-weight: 600; }

.inner-section { background: var(--white); }
.inner-section.alt { background: var(--bg-soft); }
.inner-section > .w1600 { display: flex; flex-direction: column; gap: 40px; }

.intro-row { display: flex; gap: 48px;}
.intro-row.reverse { flex-direction: row-reverse; }
.intro-media { flex: 1; border-radius: 12px; overflow: hidden; min-height: 320px; }
.intro-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.intro-text { width: 48%; display: flex; flex-direction: column; gap: 16px; }
.intro-text h3 { font-size: 24px; font-weight: 600; color: var(--ink); }
.intro-text p { font-size: 18px; color: var(--body); line-height: 2; }
.intro-text p strong { color: var(--brand); font-weight: 700; }
.intro-text ul { display: flex; flex-direction: column; gap: 10px; list-style: none; padding-left: 0; }
.intro-text li { position: relative; padding-left: 26px; font-size: 18px; color: var(--body); line-height: 1.8; }
.intro-text li::before { content: ""; position: absolute; left: 0; top: 12px; width: 8px; height: 8px; border-radius: 50%; background: var(--brand); }

.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-card { background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 30px 26px; display: flex; flex-direction: column; gap: 14px; transition: border-color .15s ease, box-shadow .15s ease, transform .2s ease; }
.value-card:hover { border-color: var(--brand); box-shadow: 0 8px 28px rgba(230,53,47,.10); transform: translateY(-4px); }
.value-ico { width: 52px; height: 52px; border-radius: 12px; background: var(--blue-soft); display: flex; align-items: center; justify-content: center; }
.value-ico svg { width: 28px; height: 28px; }
.value-card h3 { font-size: 20px; font-weight: 600; color: var(--ink); }
.value-card .en { font-size: 16px; color: var(--brand); font-weight: 600; margin-top: -6px; }
.value-card p { font-size: 16px; color: var(--muted); line-height: 1.7; }

.org-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.org-card { background: var(--white); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; }
.org-card .org-head { background: var(--brand); color: var(--white); padding: 18px 22px; font-size: 20px; font-weight: 600; }
.org-card .org-body { padding: 22px; display: flex; flex-direction: column; gap: 10px; font-size: 16px; color: var(--body); line-height: 1.8; }
.org-card .org-body .org-role { color: var(--brand); font-weight: 600; }

.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.honor-card { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--white); }
.honor-card .honor-thumb { height: 200px; }
.honor-card .honor-name { padding: 16px 18px; font-size: 16px; font-weight: 600; color: var(--ink); }

.spec-table { width: 100%; border-collapse: collapse; font-size: 16px; background: var(--white); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.spec-table th, .spec-table td { padding: 14px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.spec-table thead th { background: var(--blue-soft); color: var(--navy); font-weight: 600; font-size: 16px; }
.spec-table tbody tr:last-child td { border-bottom: none; }
.spec-table tbody th { width: 38%; background: var(--bg-soft); color: var(--body); font-weight: 600; }
.spec-table td { color: var(--ink); }

.detail-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.detail-media { min-width: 0; }
/* ---------- 产品图库（Swiper 大图 + 左侧竖向缩略图联动 + Lightbox） ---------- */
.pd-gallery {position: relative;padding-left: 20%;}
.gallery-thumbs {position: absolute;left: 0;top: 0;bottom: 0;width: 18%;}
.gallery-thumbs .swiper { height: 100%; min-height: 360px; }
.gallery-thumbs .swiper-slide { cursor: pointer; border: 2px solid transparent; border-radius: 8px; overflow: hidden; opacity: .55; aspect-ratio: 1 / 1; transition: opacity .25s ease, border-color .25s ease; }
.gallery-thumbs .swiper-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.gallery-thumbs .swiper-slide:hover { opacity: .85; }
.gallery-thumbs .swiper-slide-thumb-active { opacity: 1; border-color: var(--brand); }
.gallery-main { position: relative; min-width: 0; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: #F2EBF8; cursor: zoom-in;}
.gallery-main .swiper { width: 100%; height: 100%; }
.gallery-main .swiper-slide { width: 100%; height: 100%; }
.gallery-main .swiper-slide img { display: block; width: 100%; height: 100%; object-fit: cover; }
.gallery-main .swiper-button-prev, .gallery-main .swiper-button-next { color: #fff; background: rgba(64,40,119,.5); width: 44px; height: 44px; border-radius: 50%; transition: background .25s ease; }
.gallery-main .swiper-button-prev:hover, .gallery-main .swiper-button-next:hover { background: var(--brand); }
.gallery-main .swiper-button-prev::after, .gallery-main .swiper-button-next::after { font-size: 18px; font-weight: 700; }
/* 点击大图放大 Lightbox */
.lightbox { position: fixed; inset: 0; background: rgba(36,18,40,.94); display: none; align-items: center; justify-content: center; z-index: 9999; padding: 32px; cursor: zoom-out; }
.lightbox.open { display: flex; }
.lightbox .lb-close { position: absolute; top: 22px; right: 30px; color: #fff; font-size: 40px; line-height: 1; cursor: pointer; opacity: .85; }
.lightbox .lb-close:hover { opacity: 1; }
/* 画廊大图 slide 视频位 */
.gallery-main .swiper-slide { position: relative; overflow: hidden; }
.slide-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: none; z-index: 3; background: #000; }
.slide-video.playing { display: block; }
.play-btn { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 64px; height: 64px; border-radius: 50%; background: rgba(230,53,47,.92); color: #fff; border: none; cursor: pointer; z-index: 4; display: none; align-items: center; justify-content: center; font-size: 22px; padding-left: 4px; box-shadow: 0 8px 24px rgba(0,0,0,.35); transition: background .2s ease, transform .2s ease; }
.play-btn:hover { background: var(--brand); transform: translate(-50%, -50%) scale(1.06); }
/* 仅当 slide 带 data-video（即有视频）时才显示播放按钮 */
.gallerySwiper .swiper-slide[data-video] .play-btn { display: flex; }
.gallerySwiper .swiper-slide.is-playing .play-btn { display: none; }
/* 视频位：鼠标不要显示放大图标（覆盖 .gallery-main 的 zoom-in） */
.gallerySwiper .swiper-slide[data-video] { cursor: pointer; }
.gallerySwiper .swiper-slide[data-video] img { cursor: pointer; }
.gallerySwiper .swiper-slide.is-playing,
.gallerySwiper .swiper-slide.is-playing .slide-video { cursor: default; }
.lightbox img { max-width: 92%; max-height: 90%; border-radius: 8px; box-shadow: 0 12px 48px rgba(0,0,0,.5); }
.lightbox .lb-close { position: absolute; top: 22px; right: 30px; color: #fff; font-size: 40px; line-height: 1; cursor: pointer; opacity: .85; }
.lightbox .lb-close:hover { opacity: 1; }
.detail-info { display: flex; flex-direction: column; gap: 18px; }
.detail-info h2 { font-size: 30px; font-weight: 700; color: var(--ink); }
.detail-info .lead { font-size: 18px; color: var(--body); line-height: 1.9; }
.detail-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.detail-tag { font-size: 14px; color: var(--brand); background: var(--blue-soft); padding: 6px 14px; border-radius: 20px; font-weight: 600; }
.detail-cta { display: inline-flex; align-items: center; gap: 8px; align-self: flex-start; padding: 13px 30px; border-radius: 8px; background: var(--brand); color: var(--white); font-size: 18px; font-weight: 600; transition: background .15s ease; }
.detail-cta:hover { background: #c52a22; }

.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-head { font-size: 24px; font-weight: 600; color: var(--ink); }

.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: start; }
.article { display: flex; flex-direction: column; gap: 18px; }
.article-title { font-size: 36px; line-height: 1.3; font-weight: 700; color: var(--ink); margin: 0; }
.article h2 { font-size: 30px; font-weight: 700; color: var(--ink); line-height: 1.4; }
.article h3 { font-size: 22px; font-weight: 600; color: var(--ink); margin-top: 8px; }
.article p { font-size: 18px; color: var(--body); line-height: 2; }
.article img { width: 100%; border-radius: 12px; margin: 6px 0; }
.article blockquote { border-left: 4px solid var(--brand); background: var(--blue-soft); padding: 16px 20px; border-radius: 0 8px 8px 0; font-size: 18px; color: var(--body); line-height: 1.8; }
.article-meta { display: flex; align-items: center; gap: 14px; font-size: 16px; color: var(--muted); flex-wrap: wrap; }
.article-meta .cat { color: var(--brand); font-weight: 600; background: var(--blue-soft); padding: 4px 14px; border-radius: 20px; }

.sidebar { display: flex; flex-direction: column; gap: 24px; position: sticky; top: 160px; }
.side-box { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px; padding: 22px; }
.side-box h4 { font-size: 20px; font-weight: 600; color: var(--ink); margin-bottom: 14px; }
.side-list { display: flex; flex-direction: column; gap: 12px; }
.side-list a { display: flex; gap: 10px; font-size: 16px; color: var(--body); transition: color .15s ease; line-height: 1.6; }
.side-list a:hover { color: var(--brand); }
.side-list a .dot { color: var(--brand); flex: 0 0 auto; }

.news-pager { display: flex; justify-content: center; gap: 8px; margin-top: 8px; }
.pager-item { min-width: 42px; height: 42px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--white); display: inline-flex; align-items: center; justify-content: center; font-size: 16px; color: var(--body); transition: all .15s ease; }
.pager-item:hover { border-color: var(--brand); color: var(--brand); }
.pager-item.active { background: var(--brand); border-color: var(--brand); color: var(--white); font-weight: 600; }
.pager-item.disabled { opacity: .5; pointer-events: none; }

.contact-map { height: 360px; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }

@media (max-width: 1200px) {
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-layout { gap: 32px; }
}
@media (max-width: 992px) {
  .intro-row, .intro-row.reverse { flex-direction: column; align-items: stretch; }
  .intro-text { width: 100%; }
  .intro-media { min-height: 260px; }
  .detail-layout { grid-template-columns: 1fr; }
  .pd-gallery { grid-template-columns: 1fr; gap: 14px; }
  .gallery-thumbs { width: 100%; order: 2; }
  .gallery-main { order: 1; }
  .gallery-thumbs .swiper { height: 88px; min-height: 0; }
  .gallery-thumbs .swiper-slide { aspect-ratio: 1 / 1; }
  .article-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}
@media (max-width: 768px) {
  .page-hero { padding: 40px 0 40px; }
  .page-hero h1 { font-size: 30px; }
  .page-hero p { font-size: 16px; }
  .value-grid, .honor-grid, .related-grid, .org-grid { grid-template-columns: 1fr; }
  .spec-table { font-size: 14px; }
  .spec-table th, .spec-table td { padding: 12px 14px; }
  .filter-tabs { gap: 10px; }
  .filter-tab { font-size: 14px; padding: 10px 16px; white-space: normal; text-align: center; line-height: 1.3; }
  .article-title { font-size: 30px; }
}

/* inner-page whole-card links */
a.product-card { display: block; color: inherit; }
a.news-card { display: flex; color: inherit; }

/* =========================================================
   FILTER TABS (product category buttons)
   ========================================================= */
.filter-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin-bottom: 40px; }
.filter-tab { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border: 2px solid var(--line); border-radius: 8px; background: var(--white); font-size: 18px; font-weight: 500; color: var(--body); cursor: pointer; transition: all .2s ease; text-decoration: none; }
.filter-tab:hover { border-color: var(--brand); color: var(--brand); }
.filter-tab.active { background: var(--brand); border-color: var(--brand); color: var(--white); font-weight: 600; }
.filter-tab .tab-count { display: inline-flex; align-items: center; justify-content: center; min-width: 22px; height: 22px; padding: 0 6px; border-radius: 11px; background: rgba(255,255,255,.3); font-size: 14px; font-weight: 600; }
.filter-tab:not(.active) .tab-count { background: var(--blue-soft); color: var(--navy); }

/* =========================================================
   SOLUTION ROWS (alternating media / text layout)
   多行一列、左图右文/右图左文交替、图文各占 50%、60px 间距
   ========================================================= */
.solution-list { display: flex; flex-direction: column; }
.solution-row {
  display: flex; align-items: center; gap: 60px;
  padding: 60px 0; border-bottom: 1px solid var(--line);
}
.solution-row:first-child { padding-top: 0; }
.solution-row:last-child { border-bottom: none; padding-bottom: 0; }
.solution-row.reverse { flex-direction: row-reverse; }
.solution-media { width: 50%; flex: 0 0 auto; border-radius: 12px; overflow: hidden; }
.solution-media img { width: 100%; display: block; }
.solution-body { width: 50%; display: flex; flex-direction: column; gap: 20px; }
.solution-title { font-size: 30px; font-weight: 700; color: var(--ink); line-height: 1.35; }
.solution-desc { font-size: 18px; color: var(--body); line-height: 1.9; }
.solution-link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px; border-radius: 8px;
  background: var(--brand); color: var(--white);
  font-size: 18px; font-weight: 600;
  align-self: flex-start; transition: background .15s ease;
}
.solution-link:hover { background: #c52a22; }

@media (max-width: 992px) {
  .solution-row, .solution-row.reverse { flex-direction: column; gap: 24px; padding: 40px 0; }
  .solution-media, .solution-body { width: 100%; }
  .solution-title { font-size: 24px; }
}

/* =========================================================
   SOLUTION OVERVIEW BANNER + KEY METRICS
   深色渐变概览横幅（左标题/右文案）+ 4 项关键指标卡
   ========================================================= */
.overview-banner {
  display: flex; align-items: center; gap: 60px;
}
.ov-left { flex: 1; }
.ov-left img{border-radius: 16px;}
.ov-kicker { font-size: 14px;letter-spacing: 2px; text-transform: uppercase; color: var(--brand);}
.ov-right h2 { font-size: 36px; font-weight: 700; line-height: 1.3;}
.ov-right { flex: 1; display: flex; flex-direction: column; gap: 18px; }
.ov-right p { font-size: 18px; color: var(--muted); line-height: 1.9; }
.ov-btn {
  align-self: flex-start; display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px; border-radius: 8px;
  background: var(--white); color: var(--navy);
  font-size: 18px; font-weight: 600;
  transition: background .15s ease, color .15s ease;
}
.ov-btn:hover { background: var(--brand); color: var(--white); }
.ov-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 40px; }
.ov-stat { text-align: center; padding: 30px 20px; background: var(--white); border: 1px solid var(--line); border-radius: 12px; }
.ov-num { font-size: 36px; font-weight: 700; color: var(--brand); line-height: 1.2; }
.ov-label { font-size: 16px; color: var(--muted); margin-top: 8px; }

@media (max-width: 992px) {
  .overview-banner { flex-direction: column; align-items: stretch; gap: 28px; padding: 40px 28px; }
  .ov-left h2 { font-size: 30px; }
  .ov-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .ov-stats { grid-template-columns: 1fr; }
  .ov-num { font-size: 30px; }
}