/* ===================================================
   锦瑞云上官网 — 主样式
   科技感深色系 (A风格)
   =================================================== */

:root {
  --c-bg:        #fbfdff;
  --c-bg2:       #f3f7fb;
  --c-bg3:       #edf3f9;
  --c-surface:   rgba(255,255,255,.78);
  --c-border:    rgba(15,98,254,.12);
  --c-primary:   #0f62fe;
  --c-primary2:  #1677ff;
  --c-accent:    #14b8a6;
  --c-text:      #15283b;
  --c-muted:     #667d93;
  --c-white:     #15283b;
  --nav-h:       68px;
  --radius:      18px;
  --shadow:      0 18px 48px rgba(20,45,78,.08);
  --trans:       .3s cubic-bezier(.4,0,.2,1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: "PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.7;
  min-height: 100vh;
}

/* RTL support for Arabic */
[dir="rtl"] body { font-family: "Segoe UI","Tahoma",sans-serif; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; outline: none; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--c-bg2); }
::-webkit-scrollbar-thumb { background: var(--c-primary2); border-radius: 3px; }

/* ══════════════════════════════════════
   NAVBAR
══════════════════════════════════════ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9999;
  height: var(--nav-h);
  background: rgba(8,17,31,.85);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--c-border);
  display: flex; align-items: center;
  padding: 0 40px;
  transition: background var(--trans);
}
#navbar.scrolled { background: rgba(8,17,31,.97); }

.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-size: .95rem; font-weight: 700;
  white-space: nowrap; flex-shrink: 0;
}
.logo-img {
  height: 36px;
  width: auto;
  display: block;
  object-fit: contain;
  mix-blend-mode: normal;
  filter: none;
}
.nav-brand .logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}
.nav-brand .brand-name { color: var(--c-white); }
.nav-brand .brand-name span { color: var(--c-primary); }

.nav-links {
  display: flex; align-items: center; gap: 4px;
  margin: 0 auto;
  list-style: none;
}
.nav-links a {
  display: block; padding: 6px 14px;
  font-size: .875rem; color: var(--c-muted);
  border-radius: 6px;
  transition: color var(--trans), background var(--trans);
}
.nav-links a:hover,
.nav-links a.active { color: var(--c-white); background: rgba(0,180,255,.12); }

.nav-right {
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0;
}

/* Language switcher — 横排按钮组，无下拉 */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 20px;
  padding: 3px;
}
.lang-opt {
  padding: 4px 10px;
  border-radius: 16px;
  font-size: .75rem;
  font-weight: 600;
  color: var(--c-muted);
  cursor: pointer;
  transition: all var(--trans);
  white-space: nowrap;
  user-select: none;
}
.lang-opt:hover {
  color: var(--c-white);
  background: rgba(0,180,255,.15);
}
.lang-opt.active {
  background: var(--c-primary);
  color: #fff;
}

.nav-cta {
  padding: 8px 20px;
  background: linear-gradient(90deg, var(--c-primary2), var(--c-primary));
  border-radius: 20px;
  color: var(--c-white) !important;
  font-size: .85rem; font-weight: 600;
  transition: opacity var(--trans), transform var(--trans);
}
.nav-cta:hover { opacity: .85; transform: translateY(-1px); }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  padding: 6px; background: none; color: var(--c-text);
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: currentColor; border-radius: 2px;
  transition: all var(--trans);
}

/* ── Mobile nav ── */
@media(max-width:960px){
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: var(--c-bg2);
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--c-border);
  }
}
@media(max-width:600px){
  #navbar { padding: 0 16px; }
  .nav-brand .brand-name { display: none; }
}

/* ══════════════════════════════════════
   PAGE WRAPPER
══════════════════════════════════════ */
.page-content { padding-top: var(--nav-h); }

/* ══════════════════════════════════════
   HERO SECTION
══════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 70% at 50% 40%, #0a2540 0%, var(--c-bg) 70%);
}
.hero-bg-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(0,180,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,180,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-glow {
  position: absolute; top: 20%; left: 50%;
  transform: translate(-50%,-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,180,255,.12) 0%, transparent 65%);
  pointer-events: none;
}
.hero-drone-deco {
  position: absolute;
  top: 4%;
  right: 10%;
  width: min(35vw, 430px);

  aspect-ratio: 1.08;


  z-index: 1;
  pointer-events: none;
  opacity: .98;
  transform: translate3d(0, 0, 0);
  animation: heroDroneFloat 9s ease-in-out infinite;
}
.hero-drone-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 24px 44px rgba(2, 12, 10, .34));

}

.hero-content {

  position: relative; z-index: 2;
  max-width: 860px; margin: 0 auto;
  padding: 0 40px;
  text-align: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 16px;
  border: 1px solid rgba(0,180,255,.3);
  border-radius: 20px;
  font-size: .8rem; color: var(--c-primary);
  margin-bottom: 28px;
  background: rgba(0,180,255,.06);
}
.hero h1 {
  font-size: clamp(2.2rem,6vw,4rem);
  font-weight: 800; line-height: 1.15;
  color: var(--c-white);
  margin-bottom: 16px;
}
.hero h1 .highlight {
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-sub {
  font-size: 1.1rem; color: var(--c-muted);
  margin-bottom: 40px; max-width: 580px; margin-left: auto; margin-right: auto;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  padding: 14px 32px;
  background: linear-gradient(90deg, var(--c-primary2), var(--c-primary));
  border-radius: 30px; color: var(--c-white);
  font-size: 1rem; font-weight: 700;
  box-shadow: 0 0 24px rgba(0,180,255,.35);
  transition: all var(--trans);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 0 36px rgba(0,180,255,.5); }
.btn-outline {
  padding: 14px 32px;
  border: 1.5px solid rgba(0,180,255,.4);
  border-radius: 30px; color: var(--c-primary);
  font-size: 1rem; font-weight: 600;
  transition: all var(--trans);
}
.btn-outline:hover { background: rgba(0,180,255,.1); border-color: var(--c-primary); }

/* Stats row */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 64px;
  width: min(100%, 760px);
}
.hero-stat { text-align: center; min-width: 0; }
.hero-stat .num {

  font-size: 2.4rem; font-weight: 800; color: var(--c-primary);
  line-height: 1;
}
.hero-stat .label { font-size: .8rem; color: var(--c-muted); margin-top: 4px; }

/* Scroll indicator */
.scroll-indicator {
  position: absolute; bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: .75rem; color: var(--c-muted);
  animation: bounce 2s infinite;
}
.scroll-indicator svg { width: 20px; height: 20px; }
@keyframes bounce {
  0%,100%{ transform: translateX(-50%) translateY(0); }
  50%{ transform: translateX(-50%) translateY(6px); }
}
@keyframes heroDroneFloat {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(-1deg); }
  50% { transform: translate3d(0, 12px, 0) rotate(1deg); }
}

/* ══════════════════════════════════════
   SECTION COMMONS
══════════════════════════════════════ */

section { padding: 96px 40px; }
section:nth-child(even) { background: var(--c-bg2); }

.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(0,180,255,.1);
  border: 1px solid rgba(0,180,255,.2);
  border-radius: 20px;
  font-size: .75rem; color: var(--c-primary);
  margin-bottom: 12px; letter-spacing: .05em; text-transform: uppercase;
}
.section-title {
  font-size: clamp(1.6rem,3.5vw,2.4rem);
  font-weight: 800; color: var(--c-white); margin-bottom: 12px;
}
.section-sub { font-size: 1rem; color: var(--c-muted); max-width: 560px; margin: 0 auto; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

@media (max-width: 768px) {
  .container { padding: 0 16px; }
}

@media (max-width: 480px) {
  .container { padding: 0 12px; }
}

/* ══════════════════════════════════════
   CARDS GRID
══════════════════════════════════════ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px,1fr));
  gap: 24px;
}
.cards-grid-3 { grid-template-columns: repeat(auto-fill, minmax(340px,1fr)); }

.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--trans);
  position: relative; overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,180,255,.04), transparent);
  opacity: 0; transition: opacity var(--trans);
}
.card:hover { transform: translateY(-6px); border-color: rgba(0,180,255,.3); box-shadow: 0 16px 48px rgba(0,0,0,.5); }
.card:hover::before { opacity: 1; }

.card-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(0,180,255,.15), rgba(0,229,160,.1));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin-bottom: 16px;
  border: 1px solid rgba(0,180,255,.15);
}
.card-title { font-size: 1.1rem; font-weight: 700; color: var(--c-white); margin-bottom: 8px; }
.card-desc { font-size: .9rem; color: var(--c-muted); line-height: 1.65; }

.card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.tag {
  padding: 3px 10px;
  background: rgba(0,180,255,.08);
  border: 1px solid rgba(0,180,255,.15);
  border-radius: 20px;
  font-size: .72rem; color: var(--c-primary);
}

/* ══════════════════════════════════════
   PAGE HERO (sub-pages)
══════════════════════════════════════ */
.page-hero {
  padding: 100px 40px 64px;
  background: linear-gradient(135deg, var(--c-bg2) 0%, var(--c-bg) 100%);
  border-bottom: 1px solid var(--c-border);
  text-align: center;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; top: -60px; right: -60px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,180,255,.08) 0%, transparent 65%);
  pointer-events: none;
}
.page-hero-title {
  font-size: clamp(1.8rem,4vw,2.8rem);
  font-weight: 800; color: var(--c-white); margin-bottom: 12px;
}
.page-hero-sub { font-size: 1rem; color: var(--c-muted); max-width: 600px; margin: 0 auto; }

/* Hero 背景图 + 暗色遮罩（确保文字可读） */
.hero-has-bg {
  background-size: cover !important;
  background-position: center !important;
  background-repeat: no-repeat !important;
}
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.55) 0%, rgba(0,0,0,.40) 100%);
  z-index: 1;
  pointer-events: none;
}
.hero-has-bg > .container {
  position: relative;
  z-index: 2;
}

/* ══════════════════════════════════════
   SCENARIO CARDS
══════════════════════════════════════ */
.scenario-card {
  cursor: pointer;
}
.scenario-card .card-detail {
  font-size: .85rem; color: var(--c-muted);
  margin-top: 12px; line-height: 1.6;
  display: none;
}
.scenario-card.open .card-detail { display: block; }
.scenario-card .card-arrow {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: .8rem; color: var(--c-primary);
  margin-top: 12px;
}

/* ══════════════════════════════════════
   SOLUTION CARD
══════════════════════════════════════ */
.solution-card { padding: 32px; }
.solution-scenario {
  font-size: .75rem; color: var(--c-accent);
  text-transform: uppercase; letter-spacing: .08em;
  margin-bottom: 8px; font-weight: 700;
}
.solution-title { font-size: 1.2rem; font-weight: 700; color: var(--c-white); margin-bottom: 20px; }
.solution-section-label {
  font-size: .72rem; color: var(--c-primary);
  text-transform: uppercase; letter-spacing: .08em;
  font-weight: 700; margin-bottom: 8px;
}
.solution-pain-list, .solution-effect-list { list-style: none; margin-bottom: 16px; }
.solution-pain-list li { font-size: .85rem; color: var(--c-muted); padding: 3px 0; padding-left: 14px; position: relative; }
.solution-pain-list li::before { content: '✗'; position: absolute; left: 0; color: #ff5f5f; }
.solution-effect-list li { font-size: .85rem; color: var(--c-text); padding: 3px 0; padding-left: 14px; position: relative; }
.solution-effect-list li::before { content: '✓'; position: absolute; left: 0; color: var(--c-accent); }
.solution-text { font-size: .88rem; color: var(--c-muted); line-height: 1.7; margin-bottom: 16px; }
.solution-card.is-link { cursor: pointer; }
.solution-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  color: var(--c-primary);
  font-size: .86rem;
  font-weight: 700;
}
.solution-link span {
  transition: transform var(--trans);
}
.solution-card.is-link:hover .solution-link span {
  transform: translateX(4px);
}
.solution-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  color: var(--c-primary);
  font-weight: 700;
}
.solution-detail-top {
  padding: 32px;
  margin-bottom: 28px;
}
.solution-detail-kicker {
  font-size: .78rem;
  color: var(--c-accent);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 700;
  margin-bottom: 12px;
}
.solution-detail-summary {
  font-size: .96rem;
  color: var(--c-muted);
  line-height: 1.8;
  margin-bottom: 22px;
  max-width: 860px;
}
.solution-metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.solution-metric-item {
  padding: 18px 16px;
  border: 1px solid var(--c-border);
  border-radius: 18px;
  background: rgba(255,255,255,.05);
}
.solution-metric-item strong {
  display: block;
  font-size: 1.16rem;
  color: var(--c-white);
  margin-bottom: 6px;
}
.solution-metric-item span {
  font-size: .84rem;
  color: var(--c-muted);
}
.solution-detail-panel {
  padding: 28px;
}
.solution-detail-list {
  list-style: none;
}
.solution-detail-list li {
  position: relative;
  padding-left: 16px;
  font-size: .9rem;
  color: var(--c-muted);
  line-height: 1.75;
  margin-bottom: 8px;
}
.solution-detail-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--c-primary);
  font-weight: 700;
}
.solution-arch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.solution-arch-item {
  padding: 20px;
  border-radius: 18px;
  border: 1px solid var(--c-border);
  background: rgba(255,255,255,.05);
}
.solution-arch-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 10px;
}
.solution-arch-item p {
  font-size: .88rem;
  color: var(--c-muted);
  line-height: 1.7;
}
@media(max-width:768px) {
  .solution-metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media(max-width:520px) {
  .solution-metric-grid {
    grid-template-columns: 1fr;
  }
}

/* Process steps */

.process-steps {
  display: flex; align-items: center; gap: 0;
  flex-wrap: wrap; justify-content: center;
  margin-bottom: 56px;
}
.process-step {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 24px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  position: relative;
}
.process-step .step-num {
  width: 28px; height: 28px;
  background: linear-gradient(135deg, var(--c-primary2), var(--c-primary));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700; color: var(--c-white);
  flex-shrink: 0;
}
.process-step .step-label { font-size: .875rem; color: var(--c-text); font-weight: 600; }
.process-arrow {
  width: 32px; height: 2px;
  background: linear-gradient(90deg, var(--c-primary2), var(--c-primary));
  position: relative;
}
.process-arrow::after {
  content: '';
  position: absolute; right: -1px; top: -4px;
  width: 0; height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 8px solid var(--c-primary);
}
@media(max-width:768px){
  .process-steps { flex-direction: column; }
  .process-arrow { width: 2px; height: 24px; transform: rotate(90deg); }
}

/* ══════════════════════════════════════
   PRODUCTS
══════════════════════════════════════ */
.filter-tabs {
  display: flex; gap: 8px; flex-wrap: wrap;
  justify-content: center; margin-bottom: 40px;
}
.filter-tab {
  padding: 8px 20px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 20px;
  font-size: .85rem; color: var(--c-muted);
  transition: all var(--trans);
}
.filter-tab:hover,
.filter-tab.active {
  background: rgba(0,180,255,.15);
  border-color: var(--c-primary);
  color: var(--c-primary);
}

.product-card {
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform-origin: center center;
  min-height: 100%;
}
.product-card:hover {
  transform: translateY(-10px) scale(1.03);
}
.product-card-body {
  padding: 24px 24px 26px;
  position: relative;
  z-index: 1;
}
.product-visual {
  position: relative;
  height: 190px;
  overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,.06);
  background: linear-gradient(135deg, rgba(120,198,159,.22), rgba(18,31,27,.12));
  isolation: isolate;
}
.product-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 22%, rgba(255,255,255,.14) 0%, transparent 28%),
    radial-gradient(circle at 78% 24%, rgba(214,170,112,.22) 0%, transparent 30%),
    linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,0));
  opacity: .85;
}
.product-visual-fixed-wing {
  background: linear-gradient(135deg, rgba(84,132,120,.42), rgba(14,24,21,.18) 55%, rgba(214,170,112,.24));
}
.product-visual-multirotor {
  background: linear-gradient(135deg, rgba(58,109,93,.48), rgba(17,31,27,.18) 50%, rgba(120,198,159,.18));
}
.product-visual-vtol {
  background: linear-gradient(135deg, rgba(76,113,99,.42), rgba(15,26,23,.20) 52%, rgba(176,135,90,.24));
}
.product-visual-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: .35;
}
.product-visual-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .32;
  transform: scale(1.02);
  transition: transform .6s ease, opacity .4s ease;
}
.product-visual.has-image .product-visual-image {
  opacity: .82;
  transform: scale(.98);
}
.product-visual-vtol.has-image .product-visual-image {
  object-fit: contain;
  object-position: center center;
  transform: scale(.95);
}


.product-visual.has-image .product-visual-pattern {
  opacity: .08;
}
.product-visual-icon {

  position: absolute;
  right: 20px;
  bottom: 18px;
  font-size: 4rem;
  line-height: 1;
  filter: drop-shadow(0 10px 18px rgba(0,0,0,.22));
  opacity: .92;
  z-index: 1;
  transition: transform .45s ease;
}
.product-visual.has-image .product-visual-icon {
  display: none;
}
.product-card:hover .product-visual-icon {
  transform: scale(1.08) translateY(-4px);
}
.product-card:hover .product-visual-image {
  transform: scale(1.08);
  opacity: .4;
}
.product-card:hover .product-visual.has-image .product-visual-image {
  transform: scale(1);
  opacity: .92;
}
.product-card:hover .product-visual-vtol.has-image .product-visual-image {
  transform: scale(.98);
}



.product-name {

  font-size: 1.12rem;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 8px;
}
.product-cat {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(120,198,159,.08);
  border: 1px solid rgba(120,198,159,.18);
  border-radius: 999px;
  font-size: .72rem;
  color: var(--c-primary2);
  margin-bottom: 16px;
}
.product-highlight {
  font-size: .86rem;
  color: var(--c-muted);
  margin-bottom: 18px;
  line-height: 1.7;
}
.product-spec-label {
  font-size: .75rem;
  color: var(--c-primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 10px;
}
.product-specs {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0;
}
.product-specs td {
  padding: 10px 0;
  font-size: .82rem;
  line-height: 1.72;
  vertical-align: top;
  border-bottom: 1px solid rgba(255,255,255,.05);
  word-break: break-word;
}
.product-specs td:first-child {
  color: var(--c-muted);
  width: 30%;
  min-width: 92px;
  padding-right: 12px;
}
.product-specs td:last-child {
  color: var(--c-text);
  font-weight: 500;
}
@media(max-width:640px) {
  .product-card:hover {
    transform: translateY(-6px) scale(1.015);
  }
  .product-visual {
    height: 164px;
  }
  .product-card-body {
    padding: 20px 18px 22px;
  }
}

/* ══════════════════════════════════════
   TECHNOLOGY
══════════════════════════════════════ */
.tech-card { }
.tech-icon { font-size: 2rem; margin-bottom: 14px; }
.tech-title { font-size: 1.1rem; font-weight: 700; color: var(--c-white); margin-bottom: 10px; }
.tech-desc { font-size: .875rem; color: var(--c-muted); line-height: 1.65; margin-bottom: 16px; }
.tech-points { list-style: none; }
.tech-points li {
  font-size: .82rem; color: var(--c-text);
  padding: 4px 0; padding-left: 16px; position: relative;
}
.tech-points li::before {
  content: '▸'; position: absolute; left: 0;
  color: var(--c-primary);
}

/* ══════════════════════════════════════
   EDUCATION
══════════════════════════════════════ */
.edu-card { }
.edu-icon { font-size: 2rem; margin-bottom: 14px; }
.edu-title { font-size: 1.05rem; font-weight: 700; color: var(--c-white); margin-bottom: 8px; }
.edu-desc { font-size: .875rem; color: var(--c-muted); line-height: 1.65; margin-bottom: 14px; }

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px,1fr));
  gap: 16px; margin-top: 40px;
}
.cert-item {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  font-size: .875rem; color: var(--c-text);
}
.cert-item::before {
  content: '🏅'; font-size: 1.3rem; flex-shrink: 0;
}

/* ══════════════════════════════════════
   ABOUT
══════════════════════════════════════ */
.about-intro-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
  margin-bottom: 80px;
}
@media(max-width:768px){ .about-intro-grid { grid-template-columns: 1fr; } }

.about-intro-text h2 { font-size: 1.6rem; font-weight: 700; color: var(--c-white); margin-bottom: 16px; }
.about-intro-text p { font-size: .95rem; color: var(--c-muted); line-height: 1.8; }

.mvv-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
@media(max-width:640px){ .mvv-cards { grid-template-columns: 1fr; } }
.mvv-card {
  padding: 24px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}
.mvv-label {
  font-size: .72rem; color: var(--c-primary);
  text-transform: uppercase; letter-spacing: .1em;
  font-weight: 700; margin-bottom: 8px;
}
.mvv-text { font-size: .9rem; color: var(--c-text); line-height: 1.6; }

/* Timeline */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: '';
  position: absolute; left: 10px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--c-primary), var(--c-accent));
}
.timeline-item { position: relative; margin-bottom: 32px; }
.timeline-item::before {
  content: '';
  position: absolute; left: -26px; top: 5px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--c-primary);
  border: 2px solid var(--c-bg);
  box-shadow: 0 0 0 3px rgba(0,180,255,.3);
}
.timeline-year {
  font-size: .8rem; font-weight: 700; color: var(--c-primary);
  margin-bottom: 4px;
}
.timeline-text { font-size: .9rem; color: var(--c-muted); }

.advantage-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr));
  gap: 20px;
}
.advantage-card {
  padding: 24px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}
.advantage-icon { font-size: 1.8rem; margin-bottom: 10px; }
.advantage-title { font-size: 1rem; font-weight: 700; color: var(--c-white); margin-bottom: 6px; }
.advantage-desc { font-size: .85rem; color: var(--c-muted); line-height: 1.6; }

/* ══════════════════════════════════════
   CONTACT
══════════════════════════════════════ */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px;
}
@media(max-width:768px){ .contact-grid { grid-template-columns: 1fr; } }

.contact-info-list { list-style: none; margin-bottom: 40px; }
.contact-info-list li {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-border);
}
.contact-info-list li:first-child { border-top: 1px solid var(--c-border); }
.info-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  background: rgba(0,180,255,.1);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}
.info-label { font-size: .75rem; color: var(--c-muted); margin-bottom: 2px; }
.info-value { font-size: .95rem; color: var(--c-text); font-weight: 600; white-space: pre-line; }

.contact-form {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 36px;
}
.contact-form h3 { font-size: 1.2rem; font-weight: 700; color: var(--c-white); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media(max-width:500px){ .form-row { grid-template-columns: 1fr; } }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .8rem; color: var(--c-muted); margin-bottom: 6px; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: 11px 14px;
  background: var(--c-bg3);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  color: var(--c-text);
  font-size: .9rem;
  transition: border-color var(--trans);
  font-family: inherit;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(0,180,255,.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.required-star { color: #ff4d4f; margin-left: 4px; font-weight: 600; }
.form-submit {
  width: 100%;
  padding: 14px;
  background: linear-gradient(90deg, var(--c-primary2), var(--c-primary));
  border-radius: 8px;
  color: var(--c-white);
  font-size: 1rem; font-weight: 700;
  transition: all var(--trans);
  margin-top: 8px;
}
.form-submit:hover { opacity: .85; transform: translateY(-2px); }
.form-success {
  display: none; text-align: center; padding: 20px;
  color: var(--c-accent); font-size: .95rem;
}

/* ══════════════════════════════════════
   PRODUCT SHOWCASE CAROUSEL
══════════════════════════════════════ */
.product-showcase-section {
  padding: 80px 0 60px;
  background: var(--c-bg);
  overflow: hidden;
}
.showcase-header {
  text-align: center;
  padding: 0 40px;
  margin-bottom: 48px;
}

/* 轨道容器 */
.showcase-track-wrap {
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
}

/* 无限滚动轨道 */
.showcase-track {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: showcaseScroll 32s linear infinite;
}
.showcase-track:hover {
  animation-play-state: paused;
}

@keyframes showcaseScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* 单个卡片 */
.showcase-item {
  flex-shrink: 0;
  width: 340px;
}
.showcase-img-wrap {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4/3;
  border: 1px solid var(--c-border);
  background: var(--c-bg3);
  cursor: pointer;
}
.showcase-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .65s cubic-bezier(.4,0,.2,1),
              filter .65s ease;
  filter: brightness(.75) saturate(.85);
}
.showcase-img-wrap:hover img {
  transform: scale(1.12);
  filter: brightness(1) saturate(1.1);
}

/* 悬停遮罩 */
.showcase-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    rgba(5,15,35,.95) 0%,
    rgba(5,15,35,.55) 50%,
    rgba(5,15,35,.0) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px 20px;
  opacity: 1;
  transition: opacity .3s;
}
.showcase-label {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
  text-shadow: 0 1px 6px rgba(0,0,0,.6);
}
.showcase-sub {
  font-size: .8rem;
  color: var(--c-primary);
  margin-bottom: 14px;
  letter-spacing: .04em;
}
.showcase-btn {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(0,180,255,.15);
  border: 1px solid rgba(0,180,255,.4);
  border-radius: 20px;
  color: var(--c-primary);
  font-size: .78rem;
  font-weight: 600;
  transition: background .25s, transform .25s;
  width: fit-content;
  transform: translateY(6px);
  opacity: 0;
  transition: all .35s ease;
}
.showcase-img-wrap:hover .showcase-btn {
  opacity: 1;
  transform: translateY(0);
}

/* ── 响应式 ── */
@media(max-width:768px) {
  .showcase-item { width: 260px; }
  .showcase-track { gap: 16px; }
}

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
footer {
  background: var(--c-bg2);
  border-top: 1px solid var(--c-border);
  padding: 56px 40px 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 48px; margin-bottom: 40px;
}
@media(max-width:768px){ .footer-grid { grid-template-columns: 1fr; } }
.footer-brand .logo-text { font-size: 1rem; font-weight: 700; color: var(--c-white); margin-bottom: 12px; }
.footer-brand .logo-text span { color: var(--c-primary); }
.footer-desc { font-size: .85rem; color: var(--c-muted); line-height: 1.7; }
.footer-col h4 { font-size: .9rem; font-weight: 700; color: var(--c-white); margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: .85rem; color: var(--c-muted); transition: color var(--trans); }
.footer-col ul li a:hover { color: var(--c-primary); }
.footer-bottom {
  border-top: 1px solid var(--c-border);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer-copy { font-size: .8rem; color: var(--c-muted); }

/* ══════════════════════════════════════
   UTILITY
══════════════════════════════════════ */
.text-gradient {
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hidden { display: none !important; }

/* ── RTL overrides ── */
[dir="rtl"] .timeline { padding-left: 0; padding-right: 32px; }
[dir="rtl"] .timeline::before { left: auto; right: 10px; }
[dir="rtl"] .timeline-item::before { left: auto; right: -26px; }
[dir="rtl"] .solution-pain-list li,
[dir="rtl"] .solution-effect-list li,
[dir="rtl"] .tech-points li { padding-left: 0; padding-right: 16px; }
[dir="rtl"] .solution-pain-list li::before,
[dir="rtl"] .solution-effect-list li::before,
[dir="rtl"] .tech-points li::before { left: auto; right: 0; }
[dir="rtl"] .nav-dropdown { right: auto; left: 0; }

/* ── Fade-in animation ── */
.fade-in {
  opacity: 0; transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

@media(max-width:600px){
  section { padding: 64px 20px; }
  .hero-content { padding: 0 20px; }
  .page-hero { padding: 80px 20px 48px; }
  footer { padding: 40px 20px 24px; }
}

/* ══════════════════════════════════════
   LIGHT TECH THEME OVERRIDES
══════════════════════════════════════ */
body {
  background:
    radial-gradient(circle at 12% 18%, rgba(15,98,254,.10) 0%, transparent 24%),
    radial-gradient(circle at 88% 12%, rgba(20,184,166,.10) 0%, transparent 20%),
    linear-gradient(180deg, #fbfdff 0%, #f6f9fc 48%, #eef4fa 100%);
  color: var(--c-text);
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
  background-image:
    linear-gradient(rgba(15,98,254,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,98,254,.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, #000 46%, transparent 92%);
  -webkit-mask-image: radial-gradient(circle at center, #000 46%, transparent 92%);
}
body::after {
  content: '';
  position: fixed;
  right: -120px;
  bottom: -160px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15,98,254,.16) 0%, rgba(15,98,254,0) 68%);
  filter: blur(20px);
  pointer-events: none;
  z-index: -1;
}

#navbar {
  background: rgba(255,255,255,.78);
  border-bottom: 1px solid rgba(15,98,254,.10);
  box-shadow: 0 14px 40px rgba(16,40,72,.06);
}
#navbar.scrolled {
  background: rgba(255,255,255,.95);
  box-shadow: 0 18px 44px rgba(16,40,72,.10);
}
.logo-img {
  filter: none;
  mix-blend-mode: multiply;
}
.nav-links a {
  color: #60768d;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--c-primary);
  background: rgba(15,98,254,.08);
}
.lang-opt:hover {
  color: var(--c-text);
  background: rgba(15,98,254,.08);
}
.lang-opt.active,
.btn-primary,
.nav-cta,
.form-submit {
  color: #fff !important;
  background: linear-gradient(135deg, #0f62fe, #14a3d9);
  box-shadow: 0 16px 34px rgba(15,98,254,.22);
}
.btn-outline {
  background: rgba(255,255,255,.84);
  border-color: rgba(15,98,254,.20);
  color: var(--c-primary);
  box-shadow: 0 10px 24px rgba(16,40,72,.06);
}
.btn-outline:hover {
  background: #fff;
  border-color: var(--c-primary);
  box-shadow: 0 16px 30px rgba(16,40,72,.10);
}

section {
  position: relative;
}
section:nth-child(even) {
  background: linear-gradient(180deg, rgba(255,255,255,.55), rgba(243,247,251,.88));
}
.hero {
  background: linear-gradient(135deg, rgba(255,255,255,.94) 0%, rgba(244,248,252,.98) 44%, rgba(232,241,250,1) 100%);
}
.hero::after {
  content: '';
  position: absolute;
  top: 100px;
  right: -140px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15,98,254,.14) 0%, rgba(20,184,166,.08) 34%, transparent 70%);
  pointer-events: none;
}
.hero-bg-grid {
  background-image:
    linear-gradient(rgba(15,98,254,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,98,254,.05) 1px, transparent 1px);
}
.hero-glow {
  top: 34%;
  left: 70%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(15,98,254,.18) 0%, rgba(20,184,166,.10) 24%, transparent 66%);
  filter: blur(8px);
}
.hero-content {
  max-width: 1120px;
  padding: 0 clamp(280px, 31vw, 420px) 0 48px;
  text-align: left;
}

.hero-badge {
  background: rgba(255,255,255,.78);
  border-color: rgba(15,98,254,.18);
  box-shadow: 0 10px 30px rgba(15,98,254,.08);
}
.hero h1,
.section-title,
.page-hero-title,
.card-title,
.solution-title,
.product-name,
.tech-title,
.edu-title,
.about-intro-text h2,
.advantage-title,
.contact-form h3,
.footer-brand .logo-text,
.footer-col h4 {
  color: #142334;
}
.hero-sub,
.section-sub,
.page-hero-sub,
.card-desc,
.tech-desc,
.edu-desc,
.about-intro-text p,
.timeline-text,
.footer-desc,
.footer-col ul li a,
.footer-copy,
.info-label {
  color: #62788f;
}
.hero-sub {
  margin-left: 0;
  margin-right: 0;
}
.hero-actions {
  justify-content: flex-start;
}
.hero-stats {
  margin-left: 0;
}
.hero-stat {
  padding: 18px 20px;

  border-radius: 20px;
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(15,98,254,.12);
  box-shadow: 0 18px 36px rgba(16,40,72,.08);
  backdrop-filter: blur(14px);
}
.scroll-indicator {
  color: #6c8198;
}

.section-tag,
.tag,
.product-cat {
  background: rgba(15,98,254,.07);
  border-color: rgba(15,98,254,.14);
  color: var(--c-primary);
}
.card,
.process-step,
.mvv-card,
.advantage-card,
.contact-form,
.cert-item {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(255,255,255,.58), rgba(255,255,255,.28));
  border: 1px solid rgba(255,255,255,.62);
  box-shadow:
    0 22px 56px rgba(16,40,72,.08),
    inset 0 1px 0 rgba(255,255,255,.88),
    inset 0 -1px 0 rgba(255,255,255,.24);
  backdrop-filter: blur(24px) saturate(165%);
  -webkit-backdrop-filter: blur(24px) saturate(165%);
}
.mvv-card,
.advantage-card,
.cert-item {
  transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
}
.card::before,
.process-step::before,
.mvv-card::before,
.advantage-card::before,
.contact-form::before,
.cert-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(255,255,255,.56) 0%, rgba(255,255,255,.18) 38%, rgba(15,98,254,.05) 100%);
  pointer-events: none;
}
.card::after,
.process-step::after,
.mvv-card::after,
.advantage-card::after,
.contact-form::after,
.cert-item::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.55) 0%, rgba(255,255,255,0) 68%);
  pointer-events: none;
}
.card > *,
.process-step > *,
.mvv-card > *,
.advantage-card > *,
.contact-form > *,
.cert-item > * {
  position: relative;
  z-index: 1;
}
.card:hover,
.mvv-card:hover,
.advantage-card:hover,
.cert-item:hover {
  transform: translateY(-8px);
  border-color: rgba(255,255,255,.78);
  box-shadow:
    0 30px 68px rgba(16,40,72,.12),
    inset 0 1px 0 rgba(255,255,255,.92),
    inset 0 -1px 0 rgba(255,255,255,.28);
}
.card-icon,
.info-icon {
  background: linear-gradient(145deg, rgba(15,98,254,.10), rgba(20,184,166,.10));
  border-color: rgba(15,98,254,.14);
  color: var(--c-primary);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.85);
}
.page-hero {
  background: linear-gradient(180deg, rgba(255,255,255,.94) 0%, rgba(242,247,252,.98) 100%);
}
.page-hero::before {
  top: -20px;
  right: 6%;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(15,98,254,.10) 0%, transparent 70%);
}
.filter-tab {
  background: rgba(255,255,255,.78);
  color: #62788f;
}
.filter-tab:hover,
.filter-tab.active {
  background: rgba(15,98,254,.10);
  color: var(--c-primary);
  box-shadow: 0 10px 24px rgba(15,98,254,.08);
}
.product-specs td {
  border-bottom: 1px solid rgba(15,98,254,.08);
}
.product-specs td:first-child {
  color: #6b8196;
}
.product-specs td:last-child {
  color: #142334;
}
.timeline-item::before {
  border-color: #fff;
  box-shadow: 0 0 0 4px rgba(15,98,254,.12);
}
.contact-info-list li {
  border-color: rgba(15,98,254,.12);
}
.form-group input,
.form-group textarea,
.form-group select {
  background: rgba(255,255,255,.88);
  border-color: rgba(15,98,254,.14);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  box-shadow: 0 0 0 4px rgba(15,98,254,.10);
}
footer {
  background: linear-gradient(180deg, rgba(255,255,255,.82), rgba(243,247,251,.98));
}

.product-showcase-section {
  background: transparent;
}
.showcase-track-wrap {
  mask-image: linear-gradient(90deg, transparent 0%, #000 5%, #000 95%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 5%, #000 95%, transparent 100%);
}
.showcase-img-wrap {
  background: #dfe9f3;
  box-shadow: 0 18px 40px rgba(15,98,254,.12);
}
.showcase-img-wrap img {
  filter: brightness(.93) saturate(1.02);
}
.showcase-overlay {
  background: linear-gradient(to top,
    rgba(9,36,79,.76) 0%,
    rgba(9,36,79,.24) 46%,
    rgba(9,36,79,0) 100%);
}
.showcase-btn {
  background: rgba(255,255,255,.18);
  border-color: rgba(255,255,255,.34);
  color: #fff;
}

/* ══════════════════════════════════════
   CONTRAST & HIERARCHY REFINEMENT
══════════════════════════════════════ */
.page-content {
  background: linear-gradient(180deg, #fafdff 0%, #f2f7fb 45%, #edf3f9 100%);
}
section {
  isolation: isolate;
}
section:nth-child(odd):not(.hero):not(.page-hero):not(.product-showcase-section) {
  background: linear-gradient(180deg, rgba(255,255,255,.22), rgba(255,255,255,0));
}
section:nth-child(even):not(.hero):not(.page-hero):not(.product-showcase-section) {
  background: linear-gradient(180deg, rgba(230,239,248,.34), rgba(243,247,251,.96));
}
section:not(.hero):not(.page-hero):not(.product-showcase-section)::before {
  content: '';
  position: absolute;
  inset: 18px 22px;
  border-radius: 30px;
  background: linear-gradient(145deg, rgba(255,255,255,.78), rgba(245,249,253,.56));
  border: 1px solid rgba(255,255,255,.72);
  box-shadow:
    0 22px 60px rgba(15,98,254,.05),
    inset 0 1px 0 rgba(255,255,255,.92),
    inset 0 -1px 0 rgba(255,255,255,.42);
  z-index: 0;
}
section:nth-child(even):not(.hero):not(.page-hero):not(.product-showcase-section)::before {
  background: linear-gradient(145deg, rgba(255,255,255,.84), rgba(233,241,249,.68));
}
section > .container,
section > .hero-content,
.page-hero > .container {
  position: relative;
  z-index: 1;
}
.section-header {
  position: relative;
  margin-bottom: 64px;
}
.section-header::after {
  content: '';
  display: block;
  width: 76px;
  height: 4px;
  margin: 18px auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(15,98,254,.08), rgba(15,98,254,.92), rgba(20,184,166,.85));
  box-shadow: 0 8px 18px rgba(15,98,254,.18);
}
.section-sub,
.page-hero-sub {
  color: #52677c;
}
.cards-grid,
.cert-grid,
.advantage-grid,
.mvv-cards {
  gap: 28px;
}
.card,
.process-step,
.mvv-card,
.advantage-card,
.contact-form,
.cert-item {
  border-color: rgba(255,255,255,.84);
  box-shadow:
    0 26px 72px rgba(16,40,72,.10),
    0 8px 24px rgba(15,98,254,.06),
    inset 0 1px 0 rgba(255,255,255,.94),
    inset 0 -1px 0 rgba(255,255,255,.24);
}
.card,
.solution-card,
.product-card,
.tech-card,
.edu-card,
.advantage-card,
.mvv-card {
  padding: 30px;
}
.card::before,
.process-step::before,
.mvv-card::before,
.advantage-card::before,
.contact-form::before,
.cert-item::before {
  background:
    linear-gradient(180deg, rgba(255,255,255,.72) 0%, rgba(255,255,255,.18) 32%, rgba(15,98,254,.04) 100%),
    linear-gradient(90deg, rgba(15,98,254,.10), rgba(20,184,166,.04));
}
.card::after,
.process-step::after,
.mvv-card::after,
.advantage-card::after,
.contact-form::after,
.cert-item::after {
  top: -42%;
  right: -8%;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(255,255,255,.72) 0%, rgba(255,255,255,.08) 45%, rgba(255,255,255,0) 72%);
}
.card-title,
.solution-title,
.product-name,
.tech-title,
.edu-title,
.advantage-title,
.contact-form h3 {
  letter-spacing: -.02em;
  margin-bottom: 12px;
}
.card-desc,
.solution-text,
.tech-desc,
.edu-desc,
.about-intro-text p,
.timeline-text,
.info-label,
.footer-desc,
.footer-col ul li a,
.footer-copy {
  color: #556b80;
}
.card-icon,
.info-icon {
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.94),
    0 16px 30px rgba(15,98,254,.10);
}
.section-tag,
.tag,
.product-cat,
.filter-tab {
  box-shadow: inset 0 1px 0 rgba(255,255,255,.8);
}
.page-hero {
  box-shadow: inset 0 -1px 0 rgba(15,98,254,.08);
}
.product-showcase-section {
  padding-top: 96px;
  padding-bottom: 72px;
}
.product-showcase-section::before {
  content: '';
  position: absolute;
  inset: 14px 22px;
  border-radius: 34px;
  background: linear-gradient(145deg, rgba(255,255,255,.8), rgba(238,245,251,.7));
  border: 1px solid rgba(255,255,255,.72);
  box-shadow: 0 24px 64px rgba(15,98,254,.06);
  z-index: 0;
}
.showcase-header,
.showcase-track-wrap {
  position: relative;
  z-index: 1;
}

@media(max-width:900px) {
  section:not(.hero):not(.page-hero):not(.product-showcase-section)::before,
  .product-showcase-section::before {
    inset: 10px 12px;
    border-radius: 24px;
  }
  .hero-drone-deco {
    top: 8%;
    right: -8%;
    width: min(50vw, 300px);
    opacity: .5;
  }


  .hero-content {
    text-align: center;
    padding: 0 24px;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: min(100%, 560px);
    margin-left: auto;
    margin-right: auto;
  }
}

@media(max-width:640px) {

  .hero-drone-deco {
    width: 184px;
    right: -12%;
    top: 14%;
    opacity: .18;
  }



}


/* ══════════════════════════════════════
   MISTY SAGE THEME OVERRIDES
══════════════════════════════════════ */
:root {
  --c-bg:        #101917;
  --c-bg2:       #162320;
  --c-bg3:       #1d2c29;
  --c-surface:   rgba(24,40,35,.72);
  --c-border:    rgba(132,195,167,.14);
  --c-primary:   #78c69f;
  --c-primary2:  #9fe0bc;
  --c-accent:    #d6aa70;
  --c-text:      #edf7f1;
  --c-muted:     #9cafaa;
  --c-white:     #f4fbf7;
  --shadow:      0 18px 48px rgba(0,0,0,.28);
}

body {
  background:
    radial-gradient(circle at 14% 18%, rgba(120,198,159,.16) 0%, transparent 24%),
    radial-gradient(circle at 84% 12%, rgba(214,170,112,.12) 0%, transparent 18%),
    radial-gradient(circle at 72% 78%, rgba(120,198,159,.10) 0%, transparent 22%),
    linear-gradient(180deg, #0f1917 0%, #13211e 46%, #182b26 100%);
  color: var(--c-text);
}
body::before {
  background-image:
    linear-gradient(rgba(120,198,159,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,198,159,.05) 1px, transparent 1px);
}
body::after {
  background: radial-gradient(circle, rgba(120,198,159,.18) 0%, rgba(120,198,159,0) 68%);
}

.page-content {
  background: linear-gradient(180deg, #101917 0%, #13211e 45%, #182b26 100%);
}

#navbar {
  background: rgba(13,24,21,.74);
  border-bottom: 1px solid rgba(159,224,188,.10);
  box-shadow: 0 14px 40px rgba(0,0,0,.22);
}
#navbar.scrolled {
  background: rgba(10,19,17,.92);
  box-shadow: 0 18px 44px rgba(0,0,0,.30);
}
.logo-img {
  filter: none;
  mix-blend-mode: normal;
}
.nav-links a {
  color: #9fb2ac;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--c-white);
  background: rgba(120,198,159,.14);
}
.lang-switcher {
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.08);
}
.lang-opt:hover {
  color: var(--c-white);
  background: rgba(120,198,159,.10);
}
.lang-opt.active,
.btn-primary,
.nav-cta,
.form-submit {
  color: #10201c !important;
  background: linear-gradient(135deg, #9fe0bc, #78c69f);
  box-shadow: 0 16px 34px rgba(77,132,105,.28);
}
.btn-outline {
  background: rgba(17,31,27,.56);
  border-color: rgba(159,224,188,.22);
  color: var(--c-primary);
  box-shadow: 0 10px 24px rgba(0,0,0,.18);
}
.btn-outline:hover {
  background: rgba(24,43,37,.78);
  border-color: rgba(159,224,188,.36);
  color: var(--c-white);
  box-shadow: 0 16px 30px rgba(0,0,0,.24);
}

section {
  position: relative;
  isolation: isolate;
}
section:nth-child(odd):not(.hero):not(.page-hero):not(.product-showcase-section) {
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
}
section:nth-child(even):not(.hero):not(.page-hero):not(.product-showcase-section) {
  background: linear-gradient(180deg, rgba(22,35,32,.72), rgba(16,25,23,.88));
}
section:not(.hero):not(.page-hero):not(.product-showcase-section)::before {
  background: linear-gradient(145deg, rgba(27,43,38,.76), rgba(18,31,27,.56));
  border: 1px solid rgba(159,224,188,.10);
  box-shadow:
    0 22px 60px rgba(0,0,0,.20),
    inset 0 1px 0 rgba(255,255,255,.05),
    inset 0 -1px 0 rgba(0,0,0,.18);
}
section:nth-child(even):not(.hero):not(.page-hero):not(.product-showcase-section)::before {
  background: linear-gradient(145deg, rgba(31,50,43,.82), rgba(20,34,30,.62));
}
.section-header::after {
  background: linear-gradient(90deg, rgba(120,198,159,.10), rgba(120,198,159,.94), rgba(214,170,112,.82));
  box-shadow: 0 8px 18px rgba(120,198,159,.16);
}

.hero {
  background: linear-gradient(135deg, rgba(16,25,23,.96) 0%, rgba(20,34,30,.96) 44%, rgba(27,45,39,.98) 100%);
}
.hero::after {
  background: radial-gradient(circle, rgba(120,198,159,.18) 0%, rgba(214,170,112,.10) 36%, transparent 72%);
}
.hero-bg-grid {
  background-image:
    linear-gradient(rgba(120,198,159,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,198,159,.05) 1px, transparent 1px);
}
.hero-glow {
  background: radial-gradient(circle, rgba(120,198,159,.20) 0%, rgba(214,170,112,.12) 24%, transparent 66%);
}
.hero-badge {
  background: rgba(18,32,28,.62);
  border-color: rgba(159,224,188,.22);
  box-shadow: 0 10px 30px rgba(0,0,0,.18);
}
.hero h1,
.section-title,
.page-hero-title,
.card-title,
.solution-title,
.product-name,
.tech-title,
.edu-title,
.about-intro-text h2,
.advantage-title,
.contact-form h3,
.footer-brand .logo-text,
.footer-col h4 {
  color: #edf7f1;
}
.hero-sub,
.section-sub,
.page-hero-sub,
.card-desc,
.tech-desc,
.edu-desc,
.about-intro-text p,
.timeline-text,
.footer-desc,
.footer-col ul li a,
.footer-copy,
.info-label {
  color: #a5b8b1;
}
.section-sub,
.page-hero-sub {
  color: #a5b8b1;
}
.scroll-indicator {
  color: #90a59d;
}
.hero-stat {
  background: rgba(20,35,31,.68);
  border: 1px solid rgba(159,224,188,.14);
  box-shadow: 0 18px 36px rgba(0,0,0,.18);
}

.section-tag,
.tag,
.product-cat {
  background: rgba(120,198,159,.08);
  border-color: rgba(120,198,159,.16);
  color: var(--c-primary);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
}
.filter-tab {
  background: rgba(18,31,27,.74);
  border-color: rgba(159,224,188,.14);
  color: #a7bab3;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}
.filter-tab:hover,
.filter-tab.active {
  background: rgba(120,198,159,.12);
  color: var(--c-primary2);
  box-shadow: 0 10px 24px rgba(0,0,0,.18);
}

.card,
.process-step,
.mvv-card,
.advantage-card,
.contact-form,
.cert-item {
  background: linear-gradient(135deg, rgba(27,45,39,.78), rgba(18,31,27,.58));
  border: 1px solid rgba(159,224,188,.14);
  box-shadow:
    0 26px 72px rgba(0,0,0,.20),
    0 8px 24px rgba(0,0,0,.14),
    inset 0 1px 0 rgba(255,255,255,.06),
    inset 0 -1px 0 rgba(0,0,0,.16);
  backdrop-filter: blur(24px) saturate(145%);
  -webkit-backdrop-filter: blur(24px) saturate(145%);
}
.card::before,
.process-step::before,
.mvv-card::before,
.advantage-card::before,
.contact-form::before,
.cert-item::before {
  background:
    linear-gradient(180deg, rgba(255,255,255,.10) 0%, rgba(255,255,255,.02) 32%, rgba(120,198,159,.08) 100%),
    linear-gradient(90deg, rgba(120,198,159,.12), rgba(214,170,112,.06));
}
.card::after,
.process-step::after,
.mvv-card::after,
.advantage-card::after,
.contact-form::after,
.cert-item::after {
  background: radial-gradient(circle, rgba(255,255,255,.14) 0%, rgba(255,255,255,.04) 38%, rgba(255,255,255,0) 72%);
}
.card:hover,
.mvv-card:hover,
.advantage-card:hover,
.cert-item:hover {
  border-color: rgba(159,224,188,.28);
  box-shadow:
    0 30px 68px rgba(0,0,0,.26),
    0 10px 30px rgba(120,198,159,.08),
    inset 0 1px 0 rgba(255,255,255,.08),
    inset 0 -1px 0 rgba(0,0,0,.22);
}
.card-icon,
.info-icon {
  background: linear-gradient(145deg, rgba(120,198,159,.14), rgba(214,170,112,.08));
  border-color: rgba(120,198,159,.18);
  color: var(--c-primary2);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.08),
    0 16px 30px rgba(0,0,0,.18);
}

.page-hero {
  background: linear-gradient(180deg, rgba(18,30,27,.96) 0%, rgba(22,37,33,.98) 100%);
  box-shadow: inset 0 -1px 0 rgba(120,198,159,.08);
}
.page-hero::before {
  background: radial-gradient(circle, rgba(120,198,159,.14) 0%, rgba(214,170,112,.06) 40%, transparent 72%);
}
.timeline-item::before {
  border-color: #13211d;
  box-shadow: 0 0 0 4px rgba(120,198,159,.14);
}
.contact-info-list li {
  border-color: rgba(159,224,188,.10);
}
.product-specs td {
  border-bottom: 1px solid rgba(159,224,188,.08);
}
.product-specs td:first-child {
  color: #90a59d;
}
.product-specs td:last-child,
.info-value,
.solution-effect-list li,
.tech-points li,
.mvv-text,
.process-step .step-label {
  color: #edf7f1;
}
.solution-pain-list li {
  color: #a5b8b1;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: rgba(14,25,22,.76);
  border-color: rgba(159,224,188,.14);
  color: var(--c-text);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  box-shadow: 0 0 0 4px rgba(120,198,159,.14);
}

footer {
  background: linear-gradient(180deg, rgba(14,25,22,.90), rgba(18,31,27,.98));
}

section.product-showcase-section {
  background: #101917 !important;
}
section.product-showcase-section::before {
  inset: 18px 22px;
  background: transparent;
  border: none;
  box-shadow: none;
}
section.product-showcase-section::after {
  display: none;
}
.showcase-img-wrap {

  border-color: rgba(120,198,159,.12);
  background: #243631;
  box-shadow: 0 18px 40px rgba(0,0,0,.24);
}
.showcase-img-wrap img {
  filter: brightness(.88) saturate(1.02);
}

.showcase-overlay {
  background: linear-gradient(to top,
    rgba(8,17,15,.92) 0%,
    rgba(10,20,18,.52) 46%,
    rgba(10,20,18,0) 100%);
}
.showcase-sub {
  color: var(--c-primary2);
}
.showcase-btn {
  background: rgba(255,255,255,.10);
  border-color: rgba(255,255,255,.16);
  color: #fff;
}

/* ══════════════════════════════════════
   产品详情页样式（从 style.css 迁移）
══════════════════════════════════════ */

/* 产品详情容器 */
.product-detail-container {
  padding: 40px 32px;
  box-sizing: border-box;
}

.product-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 20px;
}

.product-detail-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 8px;
}

.product-detail-subtitle {
  font-size: 1.1rem;
  color: var(--c-muted);
}

.product-back-btn {
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 产品详情内容布局 */
.product-detail-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 40px;
  min-width: 0;
}

/* 左侧设备列表 */
.product-device-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
  background: linear-gradient(135deg, rgba(27,45,39,.78), rgba(18,31,27,.58));
  border-radius: 20px;
  padding: 32px;
  border: 1px solid rgba(159,224,188,.14);
  box-sizing: border-box;
  max-width: 100%;
  min-width: 0;
}

.device-sidebar-title {
  font-size: 1.5rem;
  color: var(--c-text);
  font-weight: 700;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(159,224,188,.14);
}

.device-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.device-item {
  padding: 20px;
  background: rgba(14,25,22,.76);
  border-radius: 12px;
  border: 1px solid rgba(159,224,188,.14);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.device-item:hover {
  border-color: var(--c-primary);
  background: rgba(120,198,159,.12);
}

.device-item.active {
  border-color: var(--c-primary);
  background: rgba(120,198,159,.12);
  box-shadow: 0 4px 16px rgba(120,198,159,.14);
}

.device-name {
  font-size: 1.1rem;
  color: var(--c-text);
  font-weight: 600;
  margin-bottom: 8px;
}

.device-specs {
  display: flex;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--c-muted);
  flex-wrap: wrap;
}

.device-type, .device-range, .device-endurance {
  padding: 4px 10px;
  background: rgba(24,40,35,.72);
  border-radius: 8px;
  font-weight: 500;
}

.device-selector {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(159,224,188,.24);
  transition: var(--transition);
}

.device-item.active .device-selector {
  background: var(--c-primary);
  border-color: var(--c-primary);
  box-shadow: 0 0 12px var(--c-primary);
}

.device-contact-section {
  background: rgba(14,25,22,.76);
  border-radius: 16px;
  padding: 24px;
  margin-top: 32px;
}

.device-contact-section h4 {
  font-size: 1.2rem;
  color: var(--c-text);
  margin-bottom: 12px;
}

.device-contact-section p {
  color: var(--c-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
  line-height: 1.5;
}

.device-contact-btn {
  width: 100%;
  text-align: center;
  padding: 14px;
}

/* 右侧主内容区 */
.product-detail-main {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 100%;
  min-width: 0;
}

.section-subtitle {
  font-size: 1.4rem;
  color: var(--c-text);
  font-weight: 700;
  margin-bottom: 20px;
}

.product-description {
  color: var(--c-muted);
  line-height: 1.8;
  font-size: 1.05rem;
  background: linear-gradient(135deg, rgba(27,45,39,.78), rgba(18,31,27,.58));
  padding: 28px;
  border-radius: 16px;
  border: 1px solid rgba(159,224,188,.14);
  max-width: 100%;
  box-sizing: border-box;
  word-break: break-word;
}

/* 技术参数表 */
.specs-table-container {
  background: linear-gradient(135deg, rgba(27,45,39,.78), rgba(18,31,27,.58));
  border-radius: 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid rgba(159,224,188,.14);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
}

.specs-table thead {
  background: rgba(14,25,22,.76);
}

.specs-table th {
  padding: 20px 24px;
  text-align: left;
  font-size: 1rem;
  color: var(--c-text);
  font-weight: 700;
  border-bottom: 1px solid rgba(159,224,188,.14);
}

.specs-table tbody tr {
  border-bottom: 1px solid rgba(159,224,188,.08);
}

.specs-table tbody tr:last-child {
  border-bottom: none;
}

.spec-key {
  padding: 18px 24px;
  color: var(--c-muted);
  font-weight: 600;
  font-size: 0.95rem;
  width: 40%;
  background: rgba(14,25,22,.76);
}

.spec-value {
  padding: 18px 24px;
  color: var(--c-text);
  font-size: 1rem;
}

/* 多列对比表格样式 */
.comparison-table {
  table-layout: auto;
  min-width: 100%;
  max-width: max-content;
}

.comparison-table thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

.comparison-table th.param-header {
  width: 120px;
  min-width: 120px;
  max-width: 140px;
  background: rgba(14,25,22,.9);
  position: sticky;
  left: 0;
  z-index: 11;
}

.comparison-table th.model-header {
  min-width: 200px;
  text-align: center;
  background: rgba(18,35,30,.85);
  color: var(--c-primary);
  font-weight: 700;
  font-size: 1.05rem;
}

.comparison-table tbody tr:hover {
  background: rgba(159,224,188,.05);
}

.comparison-table td.spec-key {
  width: 120px;
  min-width: 120px;
  max-width: 140px;
  position: sticky;
  left: 0;
  background: rgba(14,25,22,.9);
  z-index: 5;
  font-weight: 600;
  color: var(--c-text);
}

.comparison-table td.spec-value {
  min-width: 200px;
  text-align: left;
  line-height: 1.6;
  vertical-align: top;
}

.comparison-table td.spec-value:nth-child(even) {
  background: rgba(159,224,188,.03);
}

/* 单设备参数表样式 - Excel 风格 */
.single-device-specs {
  table-layout: fixed;
  width: 100%;
  border-collapse: collapse;
}

.single-device-specs tbody tr {
  border-bottom: 1px solid rgba(159, 224, 188, 0.1);
}

.single-device-specs tbody tr:last-child {
  border-bottom: none;
}

.single-device-specs .spec-key {
  width: 180px;
  min-width: 180px;
  padding: 16px 20px;
  font-weight: 600;
  color: var(--c-accent);
  background: rgba(14, 25, 22, 0.6);
  vertical-align: top;
  white-space: nowrap;
  text-align: left;
  border-right: 1px solid rgba(159, 224, 188, 0.15);
}

.single-device-specs .spec-value {
  padding: 16px 20px;
  text-align: left;
  line-height: 1.8;
  vertical-align: top;
  white-space: pre-line;
  color: var(--c-text);
}

.single-device-specs tbody tr:hover {
  background: rgba(159, 224, 188, 0.05);
}

.single-device-specs tbody tr:hover .spec-key {
  background: rgba(159, 224, 188, 0.1);
}

/* 表格横向滚动容器 */
.comparison-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}

.comparison-table-wrapper::-webkit-scrollbar {
  height: 8px;
}

.comparison-table-wrapper::-webkit-scrollbar-track {
  background: rgba(14,25,22,.5);
  border-radius: 4px;
}

.comparison-table-wrapper::-webkit-scrollbar-thumb {
  background: var(--c-primary);
  border-radius: 4px;
}

/* 应用场景网格 */
.applications-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.application-card {
  padding: 20px;
  background: linear-gradient(135deg, rgba(27,45,39,.78), rgba(18,31,27,.58));
  border-radius: 12px;
  border: 1px solid rgba(159,224,188,.14);
  color: var(--c-muted);
  font-weight: 500;
  text-align: center;
  transition: var(--transition);
}

.application-card:hover {
  background: rgba(120,198,159,.12);
  color: var(--c-primary);
  border-color: var(--c-primary);
  transform: translateY(-2px);
}

/* 联系获取完整数据区域 */
.product-contact-section {
  max-width: 100%;
  box-sizing: border-box;
}

.contact-description {
  color: var(--c-muted);
  line-height: 1.8;
  font-size: 1rem;
  margin-bottom: 16px;
  max-width: 100%;
}

/* 联系选项网格 */
.contact-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 32px 0;
}

.contact-option {
  background: linear-gradient(135deg, rgba(27,45,39,.78), rgba(18,31,27,.58));
  border-radius: 16px;
  padding: 28px;
  text-align: center;
  border: 1px solid rgba(159,224,188,.14);
  transition: var(--transition);
}

.contact-option:hover {
  border-color: var(--c-primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,.20);
}

.option-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.option-title {
  font-size: 1.2rem;
  color: var(--c-text);
  font-weight: 700;
  margin-bottom: 12px;
}

.option-desc {
  color: var(--c-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.contact-action {
  text-align: center;
  margin-top: 24px;
}

.btn-large {
  padding: 18px 48px;
  font-size: 1.1rem;
  border-radius: 12px;
}

/* 产品搜索和筛选样式 */
.product-search-section {
  background: linear-gradient(135deg, rgba(27,45,39,.78), rgba(18,31,27,.58));
  border-radius: 20px;
  padding: 32px;
  margin-bottom: 40px;
  border: 1px solid rgba(159,224,188,.14);
  margin-top: 20px;
}

.search-container {
  display: flex;
  align-items: center;
  background: rgba(14,25,22,.76);
  border-radius: 12px;
  padding: 12px 20px;
  border: 1px solid rgba(159,224,188,.14);
  transition: var(--transition);
  margin-bottom: 24px;
}

.search-container:focus-within {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 2px rgba(120,198,159,.14);
}

.search-icon {
  font-size: 1.2rem;
  margin-right: 12px;
  color: var(--c-muted);
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--c-text);
  font-size: 1rem;
  font-family: inherit;
  outline: none;
}

.search-input::placeholder {
  color: var(--c-muted);
  opacity: 0.7;
}

.search-clear-btn {
  display: none;
  background: rgba(24,40,35,.72);
  color: var(--c-muted);
  border: 1px solid rgba(159,224,188,.14);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
  margin-left: 12px;
}

.search-clear-btn:hover {
  background: rgba(120,198,159,.12);
  color: var(--c-primary);
  border-color: var(--c-primary);
}

.category-filter {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 1rem;
  color: var(--c-muted);
  font-weight: 600;
  white-space: nowrap;
}

.filter-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-btn {
  background: rgba(14,25,22,.76);
  color: var(--c-muted);
  border: 1px solid rgba(159,224,188,.14);
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.filter-btn:hover {
  background: rgba(120,198,159,.12);
  color: var(--c-primary);
  border-color: var(--c-primary);
}

.filter-btn.active {
  background: rgba(120,198,159,.12);
  color: var(--c-primary);
  border-color: var(--c-primary);
  box-shadow: 0 0 0 2px rgba(120,198,159,.14);
}

.search-stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid rgba(159,224,188,.14);
}

.search-stats span {
  font-size: 0.95rem;
  color: var(--c-muted);
}

.search-hint {
  color: var(--c-primary) !important;
  font-weight: 600;
  display: none;
}

.no-results {
  text-align: center;
  padding: 60px 40px;
  background: linear-gradient(135deg, rgba(27,45,39,.78), rgba(18,31,27,.58));
  border-radius: 20px;
  border: 1px solid rgba(159,224,188,.14);
  margin: 40px 0;
}

.no-results-icon {
  font-size: 3.5rem;
  margin-bottom: 24px;
  opacity: 0.8;
}

.no-results h3 {
  font-size: 1.8rem;
  color: var(--c-text);
  margin-bottom: 12px;
}

.no-results p {
  color: var(--c-muted);
  margin-bottom: 28px;
  font-size: 1.05rem;
}

.product-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(159,224,188,.14);
}

.btn-small {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: 8px;
}

.product-device-count {
  font-size: 0.8rem;
  color: var(--c-muted);
  background: rgba(24,40,35,.72);
  padding: 4px 10px;
  border-radius: 8px;
}

.more-specs {
  font-size: 0.85rem;
  color: var(--c-primary);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.more-specs:hover {
  opacity: 0.8;
}

/* 产品卡片悬停效果增强 */
.product-card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,.15);
  border-color: var(--c-primary);
}

.product-card .product-visual {
  transition: var(--transition);
}

.product-card:hover .product-visual {
  transform: scale(1.03);
}

.product-card:hover .product-visual-pattern {
  opacity: 0.8;
}

.product-card:hover .product-visual-icon {
  transform: scale(1.1);
  filter: brightness(1.2);
}

/* 响应式布局 */
@media (max-width: 1024px) {
  .product-detail-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .product-device-sidebar {
    position: static;
  }
  
  .contact-options {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .product-detail-container {
    padding: 24px 16px;
  }
  
  .product-detail-layout {
    /* min-width: 0 由基础样式控制 */
  }
  
  .product-detail-main {
    max-width: 100%;
    gap: 24px;
  }
  
  .product-detail-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  
  .product-back-btn {
    align-self: stretch;
    text-align: center;
  }
  
  .applications-grid,
  .contact-options {
    grid-template-columns: 1fr;
  }
  
  .spec-key, .spec-value {
    padding: 14px 16px;
  }
  
  .product-detail-title {
    font-size: 2rem;
  }
  
  .product-device-sidebar {
    max-width: 100%;
    min-width: 0;
  }
  
  .product-contact-section {
    max-width: 100%;
  }
  
  .contact-description {
    font-size: 0.95rem;
  }
  
  .contact-option {
    padding: 20px 16px;
  }
  
  .btn-large {
    width: 100%;
    box-sizing: border-box;
  }
  
  /* 消费级无人机品牌列表：移动端与 .device-item 一致 */
  .brand-list-single {
    width: 100%;
    max-width: 100%;
    gap: 10px;
  }
  
  .brand-item-single {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 16px;
    justify-content: space-between;
    text-align: left;
    transform: none !important;
  }
  
  .brand-item-single:hover {
    transform: none !important;
  }
  
  .brand-item-name {
    flex: 1;
    min-width: 0;
    font-size: 1rem;
    text-align: left;
  }
  
  .product-description {
    max-width: 100%;
    box-sizing: border-box;
    word-break: break-word;
    padding: 20px 18px;
  }
  
  .comparison-table th.param-header,
  .comparison-table td.spec-key {
    min-width: 100px;
    width: 100px;
    max-width: 120px;
  }
  
  .comparison-table th.model-header,
  .comparison-table td.spec-value {
    min-width: 150px;
  }
  
  .model-detail-header {
    max-width: 100%;
    min-width: 0;
  }
  
  /* 消费级无人机：确保所有内容区域宽度受限 */
  .product-specs-section,
  .product-modules-section,
  .product-applications-section {
    max-width: 100%;
  }
  
  .specs-table {
    width: 100%;
    max-width: 100%;
  }
  
  .single-device-specs {
    width: 100%;
    max-width: 100%;
    table-layout: auto;
  }
  
  .single-device-specs .spec-key {
    width: auto;
    min-width: 0;
    max-width: 40%;
    white-space: normal;
  }
  
  .single-device-specs .spec-value {
    white-space: normal;
  }
  
  .model-card {
    padding: 1.2rem;
  }
  
  .model-name {
    font-size: 1.1rem;
  }
  
  .spec-item {
    font-size: 0.85rem;
  }
  
  .section-subtitle {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .product-detail-container {
    padding: 16px 12px;
  }
  
  .product-device-sidebar {
    padding: 20px 16px;
  }
  
  .device-item {
    padding: 14px;
  }
  
  .brand-item-single {
    padding: 14px;
  }
  
  .brand-item-name {
    font-size: 0.95rem;
  }
  
  .product-description {
    padding: 16px 14px;
    font-size: 0.95rem;
  }
  
  .comparison-table th.param-header,
  .comparison-table td.spec-key {
    min-width: 85px;
    width: 85px;
    max-width: 100px;
    font-size: 0.85rem;
    padding: 12px 10px;
  }
  
  .comparison-table th.model-header,
  .comparison-table td.spec-value {
    min-width: 120px;
    font-size: 0.85rem;
    padding: 12px 10px;
  }
  
  .specs-table th,
  .specs-table .spec-key,
  .specs-table .spec-value {
    padding: 12px 12px;
  }
  
  .section-subtitle {
    font-size: 1.05rem;
    margin-bottom: 16px;
  }
  
  .model-card {
    padding: 1rem;
  }
  
  .model-name {
    font-size: 1rem;
  }
  
  .comparison-table th.param-header,
  .comparison-table td.spec-key {
    white-space: normal;
  }
  
  .single-device-specs .spec-key {
    max-width: 45%;
  }
}

/* ══════════════════════════════════════
   首页产品库轮播
══════════════════════════════════════ */
.home-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 16px;
}

.home-carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}

.home-carousel-slide {
  flex: 0 0 33.333%;
  padding: 0 8px;
  box-sizing: border-box;
}

.home-product-card {
  background: rgba(14, 25, 22, 0.85);
  border: 1px solid rgba(159, 224, 188, 0.14);
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  height: 100%;
}

.home-product-card:hover {
  border-color: var(--c-primary);
  box-shadow: 0 8px 32px rgba(120, 198, 159, 0.2);
  transform: translateY(-4px);
}

.home-product-img {
  width: 100%;
  height: 180px;
  overflow: hidden;
  background: rgba(24, 40, 35, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
}

.home-product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.home-product-card:hover .home-product-img img {
  transform: scale(1.05);
}

.home-product-content {
  padding: 16px;
}

.home-product-tag {
  font-size: 0.8rem;
  color: var(--c-primary);
  background: rgba(120, 198, 159, 0.1);
  padding: 4px 10px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 8px;
}

.home-product-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 8px;
}

.home-product-desc {
  font-size: 0.85rem;
  color: var(--c-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}

.home-product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.home-product-type {
  font-size: 0.75rem;
  color: var(--c-muted);
  background: rgba(24, 40, 35, 0.72);
  padding: 4px 8px;
  border-radius: 4px;
}

/* 轮播控制按钮 */
.home-carousel-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
}

.carousel-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(14, 25, 22, 0.9);
  border: 1px solid rgba(159, 224, 188, 0.2);
  color: var(--c-text);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.carousel-btn:hover {
  background: rgba(159, 224, 188, 0.15);
  border-color: var(--c-primary);
}

.carousel-dots {
  display: flex;
  gap: 8px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(159, 224, 188, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-dot.active {
  background: var(--c-primary);
  width: 24px;
  border-radius: 4px;
}

/* 响应式 */
@media (max-width: 1024px) {
  .home-carousel-slide {
    flex: 0 0 50%;
  }
}

@media (max-width: 640px) {
  .home-carousel-slide {
    flex: 0 0 100%;
  }
  
  .home-product-img {
    height: 160px;
  }
}

/* ══════════════════════════════════════
   品牌卡片网格样式（消费级无人机左侧）
══════════════════════════════════════ */
.brand-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding: 8px 0;
}

.brand-card {
  background: rgba(14, 25, 22, 0.76);
  border: 1px solid rgba(159, 224, 188, 0.14);
  border-radius: 14px;
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.brand-card:hover {
  border-color: var(--c-primary);
  box-shadow: 0 4px 20px rgba(120, 198, 159, 0.15);
  transform: translateY(-2px);
}

.brand-card.expanded {
  border-color: var(--c-primary);
  box-shadow: 0 4px 20px rgba(120, 198, 159, 0.2);
}

.brand-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 16px;
  position: relative;
}

.brand-card-icon {
  font-size: 2rem;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(24, 40, 35, 0.72);
  border-radius: 10px;
}

.brand-card-info {
  flex: 1;
  min-width: 0;
}

.brand-card-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.78rem;
}

.brand-card-country {
  color: var(--c-primary);
  background: rgba(120, 198, 159, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
}

.brand-card-flagship {
  color: var(--c-muted);
  background: rgba(24, 40, 35, 0.72);
  padding: 2px 8px;
  border-radius: 4px;
}

.brand-card-expand-icon {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.85rem;
  color: var(--c-muted);
  transition: var(--transition);
}

.brand-card:hover .brand-card-expand-icon,
.brand-card.expanded .brand-card-expand-icon {
  color: var(--c-primary);
}

/* 简化品牌卡片（消费级无人机用，只显示品牌名） */
.brand-card-simple {
  cursor: default;
  padding: 1.2rem;
}

.brand-card-simple:hover {
  transform: none;
  box-shadow: none;
  border-color: rgba(159, 224, 188, 0.14);
}

.brand-card-simple .brand-card-header {
  cursor: default;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.brand-card-simple .brand-card-name {
  text-align: center;
  font-size: 1.1rem;
  color: var(--c-text);
}

.brand-card-simple .brand-card-icon,
.brand-card-simple .brand-card-info,
.brand-card-simple .brand-card-meta,
.brand-card-simple .brand-card-expand-icon {
  display: none;
}

/* 展开的型号列表 */
.brand-card-models {
  border-top: 1px solid rgba(159, 224, 188, 0.14);
  background: rgba(24, 40, 35, 0.72);
}

.model-item-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  cursor: pointer;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.model-item-card:hover {
  background: rgba(120, 198, 159, 0.08);
  border-left-color: var(--c-primary);
}

.model-item-card.active {
  background: rgba(120, 198, 159, 0.15);
  border-left-color: var(--c-primary);
}

.model-item-info {
  flex: 1;
}

.model-item-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 4px;
}

.model-item-price {
  font-size: 0.8rem;
  color: var(--c-primary);
}

.model-item-arrow {
  font-size: 1rem;
  color: var(--c-muted);
  transition: var(--transition);
}

.model-item-card:hover .model-item-arrow,
.model-item-card.active .model-item-arrow {
  color: var(--c-primary);
  transform: translateX(4px);
}

/* 响应式调整 */
@media (max-width: 768px) {
  .brand-cards-grid {
    grid-template-columns: 1fr;
  }
  
  .brand-card-header {
    padding: 14px 14px;
  }
  
  .model-item-card {
    padding: 12px 14px;
  }
}

/* ══════════════════════════════════════
   产品媒体展示区（图片/视频）
══════════════════════════════════════ */

.product-media-section {
  background: linear-gradient(135deg, rgba(27,45,39,.78), rgba(18,31,27,.58));
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(159,224,188,.14);
  margin-bottom: 32px;
  max-width: 100%;
}

/* 主展示区 */
.product-media-main {
  position: relative;
  width: 100%;
  height: 420px;
  background: rgba(14,25,22,.76);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-media-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 24px;
  transition: opacity 0.3s ease;
}

.product-media-image:not(.active) {
  display: none;
}

/* 图片占位 */
.product-media-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--c-muted);
}

.product-media-placeholder .placeholder-icon {
  font-size: 4rem;
  opacity: 0.5;
}

.product-media-placeholder span {
  font-size: 1.1rem;
  font-weight: 500;
}

/* 视频容器 */
.product-video-container {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14,25,22,.9);
}

.product-video-container video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.video-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--c-muted);
  padding: 40px;
}

.video-placeholder .placeholder-icon {
  font-size: 4rem;
  opacity: 0.5;
}

/* 缩略图区 */
.product-media-thumbnails {
  display: flex;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(14,25,22,.6);
  border-top: 1px solid rgba(159,224,188,.1);
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(159,224,188,.3) transparent;
}

.product-media-thumbnails::-webkit-scrollbar {
  height: 6px;
}

.product-media-thumbnails::-webkit-scrollbar-thumb {
  background: rgba(159,224,188,.3);
  border-radius: 3px;
}

.media-thumb {
  flex: 0 0 auto;
  width: 80px;
  height: 60px;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  background: rgba(24,40,35,.8);
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-thumb:hover {
  border-color: rgba(159,224,188,.4);
  transform: translateY(-2px);
}

.media-thumb.active {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 2px rgba(120,198,159,.2);
}

.media-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-thumb-placeholder {
  flex: 0 0 auto;
  width: 80px;
  height: 60px;
  border-radius: 8px;
  background: rgba(24,40,35,.8);
  border: 2px dashed rgba(159,224,188,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-muted);
  font-size: 1.5rem;
  opacity: 0.6;
}

/* 视频缩略图 */
.video-thumb {
  background: linear-gradient(135deg, rgba(120,198,159,.1), rgba(24,40,35,.9));
  border: 2px solid rgba(159,224,188,.2);
  flex-direction: column;
  gap: 4px;
}

.video-thumb .video-icon {
  font-size: 1.5rem;
  color: var(--c-primary);
}

.video-thumb .video-label {
  font-size: 0.7rem;
  color: var(--c-muted);
  font-weight: 600;
}

/* 媒体标签切换 */
.media-tabs {
  display: flex;
  border-top: 1px solid rgba(159,224,188,.1);
  background: rgba(14,25,22,.5);
}

.media-tab {
  flex: 1;
  padding: 14px 20px;
  background: transparent;
  border: none;
  color: var(--c-muted);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.media-tab:hover {
  color: var(--c-text);
  background: rgba(159,224,188,.05);
}

.media-tab.active {
  color: var(--c-primary);
}

.media-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--c-primary);
  box-shadow: 0 0 8px var(--c-primary);
}

/* 产品描述区域间距调整 */
.product-description-section {
  margin-top: 8px;
  max-width: 100%;
}

/* 媒体区响应式 */
@media (max-width: 768px) {
  .product-media-main {
    height: 320px;
  }
  
  .product-media-thumbnails {
    padding: 12px 16px;
  }
  
  .media-thumb,
  .media-thumb-placeholder {
    width: 70px;
    height: 52px;
  }
  
  .media-tab {
    padding: 12px 16px;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .product-media-main {
    height: 260px;
  }
  
  .product-media-placeholder .placeholder-icon {
    font-size: 3rem;
  }
  
  .product-media-image {
    padding: 16px;
  }
}

/* ══════════════════════════════════════
   单列品牌列表（消费级无人机用）
══════════════════════════════════════ */

.brand-list-single {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 100%;
}

.brand-item-single {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: rgba(14, 25, 22, 0.76);
  border: 1px solid rgba(159, 224, 188, 0.14);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.25s ease;
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
}

.brand-item-single:hover {
  background: rgba(159, 224, 188, 0.08);
  border-color: rgba(159, 224, 188, 0.35);
  transform: translateX(4px);
}

.brand-item-single.active {
  background: rgba(159, 224, 188, 0.12);
  border-color: rgba(159, 224, 188, 0.5);
  transform: translateX(4px);
}

.brand-item-name {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--c-text);
  flex: 1;
  min-width: 0;
}

/* ══════════════════════════════════════
   品牌详情页 - 型号卡片
══════════════════════════════════════ */

.brand-models-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
  max-width: 100%;
}

.model-card {
  padding: 1.5rem;
  background: rgba(14, 25, 22, 0.76);
  border: 1px solid rgba(159, 224, 188, 0.14);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.25s ease;
  max-width: 100%;
  box-sizing: border-box;
}

.model-card:hover {
  background: rgba(159, 224, 188, 0.08);
  border-color: rgba(159, 224, 188, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.model-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 1rem;
}

.model-specs-preview {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.spec-item {
  display: flex;
  gap: 8px;
  font-size: 0.9rem;
}

.spec-label {
  color: var(--c-muted);
  min-width: 80px;
}

.spec-value {
  color: var(--c-text);
  flex: 1;
}

.model-detail-link {
  margin-top: 1rem;
  color: var(--c-accent);
  font-size: 0.9rem;
  font-weight: 500;
}

.no-models {
  text-align: center;
  padding: 3rem;
  color: var(--c-muted);
  font-size: 1.1rem;
}

/* ══════════════════════════════════════
   首页产品库卡片（轮播样式）
══════════════════════════════════════ */

.home-product-card {
  background: rgba(14, 25, 22, 0.76);
  border: 1px solid rgba(159, 224, 188, 0.14);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
}

.home-product-card:hover {
  background: rgba(159, 224, 188, 0.08);
  border-color: rgba(159, 224, 188, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.home-product-img {
  width: 100%;
  height: 100px;
  overflow: hidden;
  background: rgba(0, 229, 160, 0.05);
}

.home-product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.home-product-card:hover .home-product-img img {
  transform: scale(1.08);
}

.home-product-content {
  padding: 12px;
}

.home-product-tag {
  display: inline-block;
  padding: 2px 8px;
  background: rgba(0, 229, 160, 0.1);
  border: 1px solid rgba(0, 229, 160, 0.2);
  border-radius: 12px;
  font-size: 0.65rem;
  color: var(--c-accent);
  margin-bottom: 8px;
}

.home-product-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.home-product-desc {
  font-size: 0.75rem;
  color: var(--c-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.home-product-meta {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}

.home-product-type {
  font-size: 0.7rem;
  color: var(--c-accent);
  font-weight: 500;
}

/* ══════════════════════════════════════
   首页产品库轮播（每行3卡片，两行循环）
══════════════════════════════════════ */

.home-carousel {
  position: relative;
  overflow: hidden;
  margin-top: 40px;
}

.home-carousel-viewport {
  overflow: hidden;
  padding: 20px 0;
}

.home-carousel-track {
  display: flex;
  gap: 20px;
  transition: transform 0.5s ease;
  width: max-content;
}

.home-carousel-track .home-product-card {
  flex: 0 0 320px;
  min-width: 320px;
  max-width: 320px;
  transition: all 0.4s ease;
}

/* 两侧卡片半透明 */
.home-product-card.side-card {
  opacity: 0.7;
}

.home-carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
}

.carousel-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(159, 224, 188, 0.1);
  border: 1px solid rgba(159, 224, 188, 0.3);
  color: var(--c-text);
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-btn:hover {
  background: rgba(159, 224, 188, 0.2);
  border-color: rgba(159, 224, 188, 0.5);
}

.carousel-prev,
.carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(14, 25, 22, 0.8);
  border: 1px solid rgba(159, 224, 188, 0.3);
  color: var(--c-text);
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-prev { left: 10px; }
.carousel-next { right: 10px; }

.carousel-prev:hover,
.carousel-next:hover {
  background: rgba(159, 224, 188, 0.2);
  border-color: rgba(159, 224, 188, 0.5);
}

.carousel-dots {
  display: flex;
  gap: 10px;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(159, 224, 188, 0.3);
  cursor: pointer;
  transition: all 0.25s ease;
}

.carousel-dot.active {
  background: var(--c-accent);
  transform: scale(1.2);
}

/* 大卡片样式 */
.home-product-card {
  background: rgba(14, 25, 22, 0.76);
  border: 1px solid rgba(159, 224, 188, 0.14);
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
}

.home-product-card:hover {
  background: rgba(159, 224, 188, 0.08);
  border-color: rgba(159, 224, 188, 0.35);
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.home-product-img {
  width: 100%;
  height: 150px;
  overflow: hidden;
  background: rgba(0, 229, 160, 0.05);
}

.home-product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.home-product-card:hover .home-product-img img {
  transform: scale(1.08);
}

.home-product-content {
  padding: 20px;
}

.home-product-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(0, 229, 160, 0.1);
  border: 1px solid rgba(0, 229, 160, 0.2);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--c-accent);
  margin-bottom: 12px;
}

.home-product-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 8px;
}

.home-product-desc {
  font-size: 0.85rem;
  color: var(--c-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}

.home-product-type {
  font-size: 0.8rem;
  color: var(--c-accent);
  font-weight: 500;
}

/* 响应式 */
@media (max-width: 900px) {
  .home-carousel-viewport {
    padding: 20px 40px;
  }
  .home-carousel-track .home-product-card {
    flex: 0 0 280px;
    min-width: 280px;
    max-width: 280px;
  }
  .carousel-prev { left: 5px; }
  .carousel-next { right: 5px; }
}

@media (max-width: 600px) {
  .home-carousel-viewport {
    padding: 20px 50px;
  }
  .home-carousel-track .home-product-card {
    flex: 0 0 calc(100vw - 120px);
    min-width: calc(100vw - 120px);
    max-width: calc(100vw - 120px);
  }
  .carousel-prev { left: 5px; }
  .carousel-next { right: 5px; }
}