/* ============================================================
   ZXMOTO Fans — Motorcycle Theme
   Dark sport · racing red · carbon fiber · high-performance feel
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  --bg-deep: #05080f;
  --bg-body: #080d18;
  --bg-panel: rgba(14, 24, 42, 0.66);
  --bg-panel-solid: #0d1829;
  --bg-elevated: #101e33;
  --bg-input: rgba(6, 12, 22, 0.6);

  --line: rgba(0, 229, 255, 0.13);
  --line-strong: rgba(0, 229, 255, 0.4);
  --line-faint: rgba(120, 160, 200, 0.1);

  --cyan: #00e5ff;
  --cyan-soft: #7df3ff;
  --cyan-deep: #00a8cc;
  --volt: #d9fbff;
  --blue: #3b82f6;

  --text-1: #eaf6ff;
  --text-2: #9fb4d0;
  --text-3: #61758f;

  --ok: #2ee6a8;
  --warn: #ffc24b;
  --danger: #ff5c7a;

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;

  --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 24px rgba(0, 229, 255, 0.28);
  --header-h: 66px;

  --font-body: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-1);
  background-color: var(--bg-body);
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(0, 120, 255, 0.14), transparent 60%),
    radial-gradient(ellipse 60% 40% at 85% 10%, rgba(0, 229, 255, 0.08), transparent 55%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 深空网格背景 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 80%);
  pointer-events: none;
}

a { color: var(--cyan-soft); text-decoration: none; transition: color 0.25s var(--ease-out); }
a:hover { color: var(--cyan); }

img { max-width: 100%; height: auto; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text-1);
}

p { color: var(--text-2); }

ul { list-style: none; }

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

main { display: block; }

/* ---------- 动效基元 ---------- */
@keyframes pulseGlow {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}
@keyframes floatUp {
  from { transform: translateY(14px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
@keyframes scanFlow {
  0% { transform: translateX(-120%); }
  100% { transform: translateX(220%); }
}
@keyframes gridPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.25; }
}

/* ---------- Section ---------- */
.section { padding: 68px 0; position: relative; }
.section-alt {
  background: linear-gradient(180deg, rgba(0, 229, 255, 0.035), rgba(0, 229, 255, 0.015) 40%, transparent);
  border-top: 1px solid var(--line-faint);
  border-bottom: 1px solid var(--line-faint);
}

.section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px 24px;
  margin-bottom: 34px;
}
.section-header h2 {
  font-size: clamp(1.55rem, 2.6vw, 2.05rem);
  position: relative;
  padding-left: 18px;
}
.section-header h2::before {
  content: "";
  position: absolute;
  left: 0; top: 8%; bottom: 8%;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--cyan), transparent);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.8);
}
.section-header p { color: var(--text-2); flex-basis: 100%; margin-top: -8px; }
.section-header .btn { flex-shrink: 0; }

/* ---------- Page Header ---------- */
.page-header {
  position: relative;
  padding: 64px 0 42px;
  border-bottom: 1px solid var(--line-faint);
  background:
    radial-gradient(ellipse 70% 120% at 50% -30%, rgba(0, 229, 255, 0.1), transparent 60%),
    linear-gradient(180deg, rgba(0, 120, 255, 0.07), transparent);
  overflow: hidden;
}
.page-header::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.5;
}
.page-header-gradient {
  background:
    radial-gradient(ellipse 60% 100% at 15% 0%, rgba(0, 229, 255, 0.16), transparent 55%),
    radial-gradient(ellipse 50% 90% at 90% 0%, rgba(59, 130, 246, 0.12), transparent 60%),
    linear-gradient(180deg, #0a1424, var(--bg-body));
}
.page-header-inner { width: min(1200px, 92%); margin: 0 auto; }
.page-header h1 {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  letter-spacing: 0.02em;
  margin: 12px 0 8px;
  text-shadow: 0 0 30px rgba(0, 229, 255, 0.25);
}
.page-header p { font-size: 1.06rem; max-width: 640px; color: var(--text-2); }

.breadcrumb {
  font-size: 0.82rem;
  color: var(--text-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.breadcrumb a { color: var(--text-3); }
.breadcrumb a:hover { color: var(--cyan); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: all 0.28s var(--ease-out);
  text-align: center;
  line-height: 1.2;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--cyan-deep), var(--cyan));
  color: #04121a;
  border-color: rgba(0, 229, 255, 0.55);
  box-shadow: 0 4px 20px rgba(0, 229, 255, 0.25);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--cyan), #7df3ff);
  color: #04121a;
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.5);
  transform: translateY(-2px);
}

.btn-outline {
  background: rgba(0, 229, 255, 0.04);
  color: var(--cyan-soft);
  border-color: var(--line-strong);
}
.btn-outline:hover {
  background: rgba(0, 229, 255, 0.12);
  color: var(--volt);
  border-color: var(--cyan);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-1);
  border-color: var(--line);
}
.btn-secondary:hover {
  border-color: var(--line-strong);
  color: var(--cyan-soft);
  box-shadow: 0 4px 16px rgba(0, 229, 255, 0.15);
}

.btn-sm { padding: 8px 14px; font-size: 0.83rem; border-radius: 6px; }
.btn-lg { padding: 14px 30px; font-size: 1rem; border-radius: 10px; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--header-h);
  background: rgba(6, 11, 20, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-faint);
  transition: background 0.3s;
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent 5%, rgba(0, 229, 255, 0.4), transparent 95%);
  opacity: 0.4;
}
.header-inner {
  width: min(1200px, 92%);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--volt);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
}
.site-logo::before {
  content: "⚡";
  font-size: 1.15rem;
  filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.9));
  animation: pulseGlow 2.6s ease-in-out infinite;
}
.site-logo:hover { color: var(--cyan-soft); }

.main-nav ul { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  display: inline-block;
  padding: 9px 15px;
  color: var(--text-2);
  font-size: 0.94rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: 7px;
  position: relative;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 50%; right: 50%; bottom: 4px;
  height: 2px;
  background: var(--cyan);
  border-radius: 2px;
  box-shadow: 0 0 10px var(--cyan);
  transition: left 0.28s var(--ease-out), right 0.28s var(--ease-out);
}
.main-nav a:hover { color: var(--volt); background: rgba(0, 229, 255, 0.06); }
.main-nav a:hover::after { left: 14px; right: 14px; }

.lang-switcher {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(0, 229, 255, 0.03);
}
.lang-switcher a {
  padding: 5px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-2);
  border-radius: 6px;
  transition: all 0.25s var(--ease-out);
}
.lang-switcher a:hover { color: var(--cyan-soft); }
.lang-switcher a.active {
  background: linear-gradient(135deg, var(--cyan-deep), var(--cyan));
  color: #04121a;
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.4);
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--cyan-soft);
  font-size: 1.35rem;
  width: 42px; height: 42px;
  border-radius: 8px;
  cursor: pointer;
}

.mobile-lang-switch { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 96px 0 72px;
  overflow: hidden;
  border-bottom: 1px solid var(--line-faint);
  background:
    radial-gradient(ellipse 70% 90% at 50% -20%, rgba(0, 229, 255, 0.16), transparent 60%),
    radial-gradient(ellipse 45% 70% at 85% 20%, rgba(59, 130, 246, 0.12), transparent 60%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 80% at 50% 0%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 60% 80% at 50% 0%, #000, transparent 75%);
  pointer-events: none;
}
.hero-inner { width: min(1200px, 92%); margin: 0 auto; position: relative; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-soft);
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  background: rgba(0, 229, 255, 0.07);
  box-shadow: inset 0 0 18px rgba(0, 229, 255, 0.08);
}
.hero-badge::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: blink 2s ease-in-out infinite;
}

.hero h1 {
  font-size: clamp(2.2rem, 5.4vw, 3.9rem);
  font-weight: 800;
  letter-spacing: 0.015em;
  margin: 22px 0 14px;
  line-height: 1.12;
  background: linear-gradient(120deg, #ffffff 20%, var(--cyan-soft) 55%, var(--cyan) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 26px rgba(0, 229, 255, 0.22));
}
.hero-subtitle { font-size: 1.14rem; color: var(--text-2); max-width: 620px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 40px; }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.stat-item {
  min-width: 150px;
  padding: 16px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-panel);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.stat-value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--cyan);
  text-shadow: 0 0 18px rgba(0, 229, 255, 0.45);
}
.stat-label { font-size: 0.82rem; color: var(--text-3); letter-spacing: 0.04em; text-transform: uppercase; }

/* ---------- 玻璃卡片基元 ---------- */
.category-card,
.product-card,
.manufacturer-card,
.guide-card,
.news-card,
.news-item {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
  transition: transform 0.32s var(--ease-out), border-color 0.32s, box-shadow 0.32s;
  overflow: hidden;
}
/* 顶部能量扫描线 */
.category-card::before,
.product-card::before,
.manufacturer-card::before,
.guide-card::before,
.news-card::before,
.news-item::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 2;
}
.category-card:hover,
.product-card:hover,
.manufacturer-card:hover,
.guide-card:hover,
.news-card:hover,
.news-item:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}
.category-card:hover::before,
.product-card:hover::before,
.manufacturer-card:hover::before,
.guide-card:hover::before,
.news-card:hover::before,
.news-item:hover::before { opacity: 1; }

/* ---------- Category Cards ---------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 22px;
}
.category-card { padding: 26px 24px; }
.category-icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  border-radius: 12px;
  background: rgba(0, 229, 255, 0.09);
  border: 1px solid var(--line);
  margin-bottom: 16px;
  box-shadow: inset 0 0 16px rgba(0, 229, 255, 0.06);
}
.category-card h3 { font-size: 1.12rem; margin-bottom: 12px; }
.category-card ul { display: grid; gap: 7px; }
.category-card ul a {
  color: var(--text-2);
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.category-card ul a::before {
  content: "▸";
  color: var(--cyan);
  font-size: 0.75rem;
}
.category-card ul a:hover { color: var(--cyan-soft); }

/* ---------- Product Cards ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.product-card { padding: 24px; display: flex; flex-direction: column; }
.product-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}
.product-category {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 4px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  background: rgba(0, 229, 255, 0.07);
}
.product-manufacturer {
  font-size: 0.8rem;
  color: var(--text-3);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.product-manufacturer::before {
  content: "⌁";
  color: var(--cyan);
}
.product-name {
  font-size: 1.2rem;
  margin-bottom: 8px;
}
.product-name a { color: var(--text-1); }
.product-name a:hover { color: var(--cyan-soft); }
.product-desc { font-size: 0.9rem; color: var(--text-2); flex: 1; margin-bottom: 16px; }

.product-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 18px;
}
.spec-item {
  padding: 10px 8px;
  text-align: center;
  border: 1px solid var(--line-faint);
  border-radius: var(--r-sm);
  background: rgba(0, 229, 255, 0.025);
}
.spec-label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 3px;
}
.spec-value {
  font-family: var(--font-display);
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--volt);
}

.product-card-footer {
  display: flex;
  gap: 10px;
  align-items: center;
}
.product-card-footer .btn { flex: 1; }

/* ---------- Manufacturer Cards ---------- */
.manufacturer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
}
.manufacturer-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 24px;
  color: inherit;
}
.manufacturer-card::after {
  content: "";
  position: absolute;
  right: -30px; top: -30px;
  width: 120px; height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.12), transparent 70%);
  transition: transform 0.4s var(--ease-out);
}
.manufacturer-card:hover::after { transform: scale(1.35); }
.manufacturer-card h3 {
  font-size: 1.22rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.manufacturer-card h3::before {
  content: "⬡";
  font-size: 1.05rem;
  color: var(--cyan);
  filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.7));
}
.manufacturer-tagline {
  font-size: 0.9rem;
  color: var(--text-2);
  flex: 1;
}
.manufacturer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 0.82rem;
  color: var(--text-3);
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}
.manufacturer-meta span { display: inline-flex; align-items: center; gap: 5px; }
.manufacturer-meta span:first-child { color: var(--cyan-soft); }

/* ---------- Guide Cards ---------- */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.guide-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px;
  color: inherit;
}
.guide-card-badge {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--warn);
  padding: 4px 12px;
  border: 1px solid rgba(255, 194, 75, 0.35);
  border-radius: 100px;
  background: rgba(255, 194, 75, 0.07);
}
.guide-card h3 { font-size: 1.12rem; transition: color 0.25s; }
.guide-card:hover h3 { color: var(--cyan-soft); }
.guide-card p { font-size: 0.9rem; color: var(--text-2); flex: 1; }
.guide-card-meta {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-3);
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}
.guide-card-meta span { display: inline-flex; align-items: center; gap: 6px; }
.guide-card-meta span::before { content: "⚡"; font-size: 0.7rem; color: var(--cyan); }
.guide-card-lg { min-height: 230px; }

.guide-categories,
.news-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}
.guide-cat-chip,
.news-cat-chip {
  padding: 8px 18px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-2);
  border: 1px solid var(--line);
  border-radius: 100px;
  background: rgba(0, 229, 255, 0.03);
  transition: all 0.25s var(--ease-out);
}
.guide-cat-chip:hover,
.news-cat-chip:hover {
  color: var(--cyan-soft);
  border-color: var(--line-strong);
}
.guide-cat-chip.active,
.news-cat-chip.active {
  color: #04121a;
  background: linear-gradient(135deg, var(--cyan-deep), var(--cyan));
  border-color: var(--cyan);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.35);
  font-weight: 700;
}

/* ---------- News Cards / List ---------- */
.news-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}
.news-list-full { margin-bottom: 0; }
.news-item { display: flex; flex-direction: column; padding: 0; }
.news-item.has-image .news-image {
  height: 190px;
  overflow: hidden;
  border-bottom: 1px solid var(--line-faint);
  position: relative;
}
.news-item.has-image .news-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}
.news-item.has-image:hover .news-image img { transform: scale(1.06); }
.news-content { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  font-size: 0.8rem;
  color: var(--text-3);
  margin-bottom: 12px;
}
.news-meta .tag { margin-right: 2px; }
.news-item h2, .news-item h3 { font-size: 1.12rem; margin-bottom: 10px; line-height: 1.4; }
.news-item h2 a, .news-item h3 a { color: var(--text-1); }
.news-item h2 a:hover, .news-item h3 a:hover { color: var(--cyan-soft); }
.news-item p { font-size: 0.9rem; color: var(--text-2); flex: 1; margin-bottom: 14px; }

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cyan);
  align-self: flex-start;
}
.read-more:hover { color: var(--volt); text-shadow: 0 0 12px rgba(0, 229, 255, 0.6); }

.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 11px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 100px;
}
.tag-primary {
  color: var(--cyan);
  border: 1px solid var(--line-strong);
  background: rgba(0, 229, 255, 0.08);
}

/* ---------- Filter Bar ---------- */
.filter-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
  padding: 22px 24px;
  margin-bottom: 26px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-panel);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.filter-group { display: flex; flex-direction: column; gap: 7px; }
.filter-group label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}
.filter-group select,
.search-input {
  width: 100%;
  padding: 10px 13px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-1);
  background: var(--bg-input);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2300e5ff' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 34px;
}
.filter-group select:focus,
.search-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
}
.search-input { background-image: none; padding-right: 13px; }
.filter-group option { background: var(--bg-panel-solid); color: var(--text-1); }

.results-count {
  color: var(--text-3);
  font-size: 0.9rem;
  margin-bottom: 18px;
  letter-spacing: 0.03em;
}

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}
.page-link, .page-ellipsis {
  min-width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-2);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(0, 229, 255, 0.02);
  transition: all 0.25s var(--ease-out);
}
.page-link:hover {
  color: var(--cyan-soft);
  border-color: var(--line-strong);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.15);
}
.page-link.active {
  color: #04121a;
  background: linear-gradient(135deg, var(--cyan-deep), var(--cyan));
  border-color: var(--cyan);
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.4);
  font-weight: 800;
}
.page-ellipsis { border: none; background: transparent; }

/* ---------- Empty State ---------- */
.empty-state {
  text-align: center;
  padding: 72px 24px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-lg);
  background: rgba(0, 229, 255, 0.02);
}
.empty-icon {
  font-size: 2.6rem;
  margin-bottom: 14px;
  filter: drop-shadow(0 0 16px rgba(0, 229, 255, 0.4));
}
.empty-state h3 { font-size: 1.25rem; margin-bottom: 8px; }
.empty-state p { color: var(--text-3); margin-bottom: 20px; }

/* ---------- Article / Detail Shared ---------- */
.article-lead {
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--volt);
  padding: 18px 22px;
  margin: 20px 0 26px;
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(0, 229, 255, 0.05);
  box-shadow: inset 0 0 30px rgba(0, 229, 255, 0.04);
}
.article-body { font-size: 1rem; line-height: 1.9; color: var(--text-2); }
.article-body h2 {
  font-size: 1.45rem;
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-faint);
  position: relative;
}
.article-body h2::after {
  content: "";
  position: absolute;
  left: 0; bottom: -1px;
  width: 64px; height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}
.article-body h3 { font-size: 1.18rem; margin: 28px 0 12px; color: var(--cyan-soft); }
.article-body p { margin: 14px 0; color: var(--text-2); }
.article-body ul, .article-body ol { margin: 14px 0 14px 22px; color: var(--text-2); }
.article-body ul { list-style: none; }
.article-body ul li { position: relative; padding-left: 20px; margin: 8px 0; }
.article-body ul li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--cyan);
}
.article-body ol { list-style: decimal; }
.article-body li { margin: 6px 0; }
.article-body a { color: var(--cyan-soft); border-bottom: 1px dashed rgba(0, 229, 255, 0.4); }
.article-body a:hover { color: var(--cyan); }
.article-body blockquote {
  margin: 22px 0;
  padding: 16px 22px;
  border-left: 3px solid var(--warn);
  background: rgba(255, 194, 75, 0.05);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--text-2);
}
.article-body code {
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 0.88em;
  padding: 2px 7px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--cyan-soft);
}
.article-body pre {
  margin: 20px 0;
  padding: 18px 20px;
  background: var(--bg-panel-solid);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow-x: auto;
}
.article-body pre code { background: none; border: none; padding: 0; }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.92rem;
}
.article-body th, .article-body td {
  padding: 11px 14px;
  border: 1px solid var(--line);
  text-align: left;
}
.article-body th {
  background: rgba(0, 229, 255, 0.06);
  color: var(--volt);
  font-weight: 700;
}
.article-body td { color: var(--text-2); }
.article-body tr:hover td { background: rgba(0, 229, 255, 0.03); }

/* ---------- News Detail ---------- */
.news-article {
  max-width: 860px;
  margin: 0 auto;
  padding: 44px 48px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg-panel);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
}
.news-article-header { margin-bottom: 8px; }
.news-article-header h1 {
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  margin: 16px 0 10px;
}
.news-featured-image {
  border-radius: var(--r-md);
  overflow: hidden;
  margin: 22px 0;
  border: 1px solid var(--line-faint);
}
.news-article-content { margin-top: 8px; }
.news-article-footer {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--line-faint);
}

/* ---------- Guide Detail ---------- */
.reading-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  z-index: 300;
  background: transparent;
}
.reading-progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cyan-deep), var(--cyan));
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.8);
  transition: width 0.08s linear;
}

.guide-article { max-width: 1000px; margin: 0 auto; }
.guide-article-header {
  text-align: center;
  padding: 30px 0 34px;
  border-bottom: 1px solid var(--line-faint);
  margin-bottom: 34px;
}
.guide-article-header h1 {
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  margin: 16px 0 12px;
  background: linear-gradient(120deg, #fff 30%, var(--cyan-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.article-detail-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-size: 0.84rem;
  color: var(--text-3);
}
.article-detail-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-detail-meta span::before { content: "⚡"; color: var(--cyan); font-size: 0.75rem; }

.guide-article-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 44px;
  align-items: start;
}
.guide-toc {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-panel);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 0.88rem;
}
.guide-toc h4 {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}
.guide-toc ul { display: grid; gap: 4px; }
.guide-toc a {
  display: block;
  padding: 7px 10px;
  color: var(--text-2);
  border-radius: 6px;
  border-left: 2px solid transparent;
  transition: all 0.2s;
}
.guide-toc a:hover {
  color: var(--cyan-soft);
  background: rgba(0, 229, 255, 0.05);
  border-left-color: var(--cyan);
}
.guide-content { min-width: 0; }

/* ---------- Manufacturer Detail ---------- */
.manufacturer-detail { max-width: 1000px; margin: 0 auto; }
.manufacturer-detail-header {
  padding: 30px 34px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg-panel);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
  margin-bottom: 30px;
  position: relative;
  overflow: hidden;
}
.manufacturer-detail-header::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}
.manufacturer-detail-header h1 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  display: flex;
  align-items: center;
  gap: 14px;
}
.manufacturer-detail-header h1::before {
  content: "⬡";
  color: var(--cyan);
  font-size: 1.4rem;
  filter: drop-shadow(0 0 12px rgba(0, 229, 255, 0.8));
}
.manufacturer-detail-header .tagline {
  color: var(--cyan-soft);
  font-size: 1.02rem;
  margin: 10px 0 14px;
}
.manufacturer-info-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  font-size: 0.9rem;
  color: var(--text-2);
}
.manufacturer-info-row span { display: inline-flex; gap: 6px; align-items: center; }
.manufacturer-info-row strong { color: var(--text-1); }
.manufacturer-info-row a { color: var(--cyan-soft); }

.manufacturer-description {
  padding: 26px 34px;
  border: 1px solid var(--line-faint);
  border-radius: var(--r-md);
  background: rgba(0, 229, 255, 0.02);
  margin-bottom: 30px;
}
.manufacturer-description h2 {
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}
.manufacturer-description p { font-size: 0.97rem; }

.manufacturer-products h2 {
  font-size: 1.3rem;
  margin-bottom: 24px;
  padding-left: 16px;
  position: relative;
}
.manufacturer-products h2::before {
  content: "";
  position: absolute;
  left: 0; top: 10%; bottom: 10%;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--cyan), transparent);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.7);
}

/* ---------- Product Detail ---------- */
.product-detail { max-width: 1100px; margin: 0 auto; }
.product-detail-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin-bottom: 28px;
}
.product-detail-header h1 {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  flex-basis: 100%;
}
.product-detail-body {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 28px;
  align-items: start;
}
.product-main { min-width: 0; }
.product-sidebar { display: grid; gap: 20px; position: sticky; top: calc(var(--header-h) + 20px); }

.specs-card {
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg-panel);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
}
.specs-card h3 {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 18px;
}
.specs-table { width: 100%; border-collapse: collapse; }
.specs-table th, .specs-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line-faint);
  text-align: left;
  font-size: 0.92rem;
}
.specs-table th { color: var(--text-3); font-weight: 500; width: 42%; }
.specs-table td { color: var(--volt); font-weight: 600; }
.specs-table tr:last-child th, .specs-table tr:last-child td { border-bottom: none; }

.product-description {
  padding: 26px 30px;
  border: 1px solid var(--line-faint);
  border-radius: var(--r-md);
  background: rgba(0, 229, 255, 0.02);
  margin-bottom: 28px;
}
.product-description h2 {
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}
.product-description-text { font-size: 0.97rem; }

.product-features,
.product-applications {
  padding: 24px 28px;
  border: 1px solid var(--line-faint);
  border-radius: var(--r-md);
  background: rgba(0, 229, 255, 0.02);
  margin-bottom: 28px;
}
.product-features h2,
.product-applications h2 {
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}
.feature-list { list-style: none; }
.feature-list li {
  position: relative;
  padding: 7px 0 7px 24px;
  color: var(--text-2);
  font-size: 0.94rem;
}
.feature-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--ok);
  text-shadow: 0 0 8px rgba(46, 230, 168, 0.6);
}
.product-applications p { font-size: 0.94rem; }

.product-detail-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.product-detail-actions .btn { flex: 1; min-width: 160px; }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 70px;
  border-top: 1px solid var(--line-faint);
  background:
    radial-gradient(ellipse 60% 80% at 50% 120%, rgba(0, 229, 255, 0.07), transparent 60%),
    #060b14;
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.5), transparent);
  opacity: 0.5;
}
.footer-grid {
  width: min(1200px, 92%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding: 60px 0 40px;
}
.footer-section h4 {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
}
.footer-section ul { display: grid; gap: 9px; }
.footer-section ul a {
  color: var(--text-2);
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.footer-section ul a::before { content: "▸"; color: var(--cyan); font-size: 0.7rem; }
.footer-section ul a:hover { color: var(--cyan-soft); }
.footer-brand .site-logo { margin-bottom: 14px; }
.footer-brand p { font-size: 0.88rem; color: var(--text-3); max-width: 320px; }
.footer-bottom {
  width: min(1200px, 92%);
  margin: 0 auto;
  padding: 20px 0 30px;
  border-top: 1px solid var(--line-faint);
  font-size: 0.82rem;
  color: var(--text-3);
  text-align: center;
  letter-spacing: 0.04em;
}

/* ---------- Compare Bar ---------- */
.compare-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 250;
  background: rgba(8, 14, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--line-strong);
  transform: translateY(110%);
  transition: transform 0.4s var(--ease-out);
}
.compare-bar.show { transform: translateY(0); }
.compare-bar-inner {
  width: min(1200px, 92%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 0;
  flex-wrap: wrap;
}
.compare-bar-inner strong { color: var(--text-1); font-size: 0.92rem; }
.compare-bar-count {
  color: var(--cyan);
  font-weight: 800;
  text-shadow: 0 0 10px rgba(0, 229, 255, 0.6);
}
.compare-bar-items { display: flex; gap: 10px; flex: 1; flex-wrap: wrap; }
.compare-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-size: 0.84rem;
  color: var(--text-1);
  border: 1px solid var(--line);
  border-radius: 100px;
  background: rgba(0, 229, 255, 0.05);
}
.compare-bar-item .remove-compare {
  background: none;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
  padding: 0 2px;
}
.compare-bar-item .remove-compare:hover { color: var(--danger); }

/* ---------- Compare Table (JS generated) ---------- */
.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--bg-panel);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow-card);
}
.compare-table th, .compare-table td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--line-faint);
  text-align: left;
  font-size: 0.92rem;
}
.compare-table th {
  background: rgba(0, 229, 255, 0.06);
  color: var(--text-3);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.78rem;
  min-width: 140px;
}
.compare-table td { color: var(--text-2); }
.compare-table tr:last-child td, .compare-table tr:last-child th { border-bottom: none; }
.compare-table tr:hover td { background: rgba(0, 229, 255, 0.025); }
.compare-table .compare-product-name { color: var(--volt); font-weight: 700; }
.compare-table .compare-product-brand { color: var(--cyan-soft); font-size: 0.86rem; }
.compare-table a { color: var(--cyan-soft); }
.compare-loading { padding: 50px; text-align: center; color: var(--text-3); }
.compare-loading::after {
  content: '';
  display: block;
  width: 32px;
  height: 32px;
  margin: 16px auto 0;
  border: 3px solid rgba(0, 229, 255, 0.2);
  border-top-color: var(--volt);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.compare-section { margin-bottom: 24px; }
.compare-section h3 {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 26px 0 14px;
}
.compare-empty { text-align: center; padding: 40px; color: var(--text-3); }
.compare-empty-icon { font-size: 2.4rem; margin-bottom: 12px; }

/* ---------- Forms ---------- */
.contact-form, .vendor-form {
  max-width: 720px;
  margin: 0 auto;
  padding: 34px 38px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg-panel);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-2);
  margin-bottom: 7px;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="url"],
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 15px;
  font-family: var(--font-body);
  font-size: 0.94rem;
  color: var(--text-1);
  background: var(--bg-input);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.antispam-group { display: none; }

.success-box, .error-box {
  padding: 20px 24px;
  border-radius: var(--r-md);
  margin-bottom: 24px;
  border: 1px solid;
  font-size: 0.95rem;
}
.success-box {
  border-color: rgba(46, 230, 168, 0.4);
  background: rgba(46, 230, 168, 0.07);
  color: var(--ok);
}
.error-box {
  border-color: rgba(255, 92, 122, 0.4);
  background: rgba(255, 92, 122, 0.07);
  color: var(--danger);
}
.success-icon {
  display: inline-block;
  font-size: 1.3rem;
  margin-right: 8px;
}

/* ---------- Error 404 ---------- */
.error404 {
  text-align: center;
  padding: 90px 20px;
}
.error404-code {
  font-family: var(--font-display);
  font-size: clamp(5rem, 14vw, 9rem);
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(120deg, var(--cyan) 0%, var(--blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 30px rgba(0, 229, 255, 0.3));
  margin-bottom: 20px;
}
.error404 h2 { font-size: 1.5rem; margin-bottom: 10px; }
.error404 p { color: var(--text-3); margin-bottom: 26px; }

/* ---------- Misc / Utility ---------- */
.about-content {
  max-width: 820px;
  margin: 0 auto;
  padding: 20px 0;
}
.about-content h2 {
  font-size: 1.3rem;
  margin: 34px 0 14px;
  color: var(--cyan-soft);
}
.about-content p { margin: 12px 0; }
.about-section { padding: 60px 0; }

.contact-section { padding: 60px 0; }
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 40px;
}
.contact-info-item {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-panel);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.contact-info-icon {
  font-size: 1.5rem;
  margin-bottom: 10px;
  filter: drop-shadow(0 0 10px rgba(0, 229, 255, 0.5));
}
.contact-info-item h4 { font-size: 0.95rem; margin-bottom: 6px; }
.contact-info-item p, .contact-info-item a { font-size: 0.88rem; color: var(--text-2); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .guide-article-layout { grid-template-columns: 1fr; }
  .guide-toc { position: static; }
  .product-detail-body { grid-template-columns: 1fr; }
  .product-sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .section { padding: 50px 0; }
  .page-header { padding: 48px 0 34px; }
  .mobile-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: rgba(6, 11, 20, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    padding: 14px 5%;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--ease-out);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  }
  .main-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .main-nav a { display: block; padding: 12px 14px; font-size: 1rem; }
  .main-nav a::after { display: none; }
  .lang-switcher { display: none; }
  .mobile-lang-switch { display: block; padding: 10px 14px; }
  .mobile-lang-label {
    font-size: 0.76rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-3);
    margin-bottom: 8px;
  }
  .mobile-lang-links { display: flex; gap: 8px; }
  .mobile-lang-links a {
    padding: 6px 16px;
    font-size: 0.84rem;
    font-weight: 700;
    border: 1px solid var(--line);
    border-radius: 7px;
    color: var(--text-2);
  }
  .mobile-lang-links a.active {
    color: #04121a;
    background: linear-gradient(135deg, var(--cyan-deep), var(--cyan));
    border-color: var(--cyan);
  }
  .hero { padding: 70px 0 54px; }
  .news-article { padding: 28px 22px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form, .vendor-form { padding: 26px 22px; }
}

@media (max-width: 600px) {
  .hero-stats { flex-direction: column; }
  .stat-item { min-width: 100%; }
  .filter-bar { padding: 18px; }
  .product-specs { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; padding: 44px 0 30px; }
  .compare-bar-inner { gap: 10px; }
}

/* ---------- JS 渲染兼容层 ---------- */
.compare-bar.show,
.compare-bar.visible { transform: translateY(0); }

.add-to-compare.active {
  color: #04121a !important;
  background: linear-gradient(135deg, var(--cyan-deep), var(--cyan)) !important;
  border-color: var(--cyan) !important;
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.45) !important;
}

.brand-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 22px;
}
.brand-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 28px 20px;
  text-align: center;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
  transition: transform 0.32s var(--ease-out), border-color 0.32s, box-shadow 0.32s;
}
.brand-item:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}
.brand-logo {
  width: 58px; height: 58px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--cyan);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(0, 229, 255, 0.08);
  box-shadow: 0 0 18px rgba(0, 229, 255, 0.18);
}
.brand-name { font-weight: 700; color: var(--text-1); font-size: 1.02rem; }
.brand-country { font-size: 0.8rem; color: var(--text-3); }

.brand-label {
  font-size: 0.8rem;
  color: var(--text-3);
}
.tech-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 4px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  background: rgba(0, 229, 255, 0.07);
}
.product-card-body { padding: 16px 0 0; }
.product-card-actions { display: flex; gap: 10px; margin-top: 16px; }
.product-card-actions .btn { flex: 1; }

/* 旧模板备用卡片类（news-card / guide-card 增强 / mfr-card） */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}
.news-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  color: inherit;
}
.news-card-header { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.news-category {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 4px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  background: rgba(0, 229, 255, 0.07);
}
.news-source { font-size: 0.8rem; color: var(--text-3); }
.news-card-body { flex: 1; }
.news-card-body h3 { font-size: 1.12rem; margin: 10px 0 8px; }
.news-card-body h3 a { color: var(--text-1); }
.news-card-body h3 a:hover { color: var(--cyan-soft); }
.news-card-body p { font-size: 0.9rem; color: var(--text-2); }
.news-card-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--line); }

.guide-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.guide-card-icon {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  border-radius: 10px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid var(--line);
  color: var(--cyan);
}
.guide-card-body { flex: 1; }
.guide-card-body h3 { font-size: 1.12rem; margin-bottom: 8px; }
.guide-card-body p { font-size: 0.9rem; color: var(--text-2); }
.guide-category {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--warn);
  padding: 4px 11px;
  border: 1px solid rgba(255, 194, 75, 0.35);
  border-radius: 100px;
  background: rgba(255, 194, 75, 0.07);
}
.guide-meta { display: flex; gap: 14px; font-size: 0.8rem; color: var(--text-3); margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); }

.mfr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
}
.mfr-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px;
  color: inherit;
}
.mfr-logo {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--cyan);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: rgba(0, 229, 255, 0.07);
}
.mfr-info h3 { font-size: 1.18rem; margin-bottom: 4px; }
.mfr-info p { font-size: 0.9rem; color: var(--text-2); }
.mfr-country { font-size: 0.8rem; color: var(--cyan-soft); }
.mfr-tech-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 6px; }
.mfr-tech-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-2);
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: rgba(0, 229, 255, 0.03);
}

/* ---------- 补充 ---------- */
.hero-content { animation: floatUp 0.7s var(--ease-out) both; }
.guide-grid-full { margin-bottom: 0; }
.compare-bar-item .remove {
  background: none;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
  padding: 0 2px;
}
.compare-bar-item .remove:hover { color: var(--danger); }