/* ==========================================================================
   奢鉴（福建）检测鉴定科技有限公司 - 全局样式
   品牌色：深蓝 #02407D / 亮蓝 #2990EF / 浅蓝 #7DABD8
   ========================================================================== */

:root {
  --color-primary: #02407D;
  --color-primary-light: #2990EF;
  --color-primary-dark: #012754;
  --color-gold: #2990EF;
  --color-gold-dark: #02407D;
  --color-gold-light: #7DABD8;
  --color-cream: #F8F8F8;
  --color-cream-dark: #F0F0F0;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-border: #E0E0E0;
  --color-white: #FFFFFF;
  --color-overlay: rgba(1, 39, 84, 0.88);

  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", "Times New Roman", serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-display: "Playfair Display", "Noto Serif SC", "Times New Roman", serif;

  --container-max: 1240px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-sm: 0 2px 12px rgba(1, 39, 84, 0.08);
  --shadow-md: 0 6px 24px rgba(1, 39, 84, 0.14);
  --shadow-lg: 0 12px 48px rgba(1, 39, 84, 0.20);
  --shadow-luxury: 0 24px 70px rgba(1, 28, 60, 0.18);

  --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: #f6f8fb;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-serif); font-weight: 500; margin: 0; line-height: 1.3; color: var(--color-primary-dark); }

/* ---------- Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}
.text-center { text-align: center; }
.text-gold { color: var(--color-gold); }
.text-primary { color: var(--color-primary); }

/* ---------- Section Common ---------- */
.section { padding: 104px 0; position: relative; }
.section-sm { padding: 64px 0; }
.section-cream { background: linear-gradient(180deg, #f7f9fc 0%, #eef4fb 100%); }
.section-white { background-color: var(--color-white); }
.section-dark {
  background-color: #ffffff;
  color: var(--color-cream);
}
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 {
  color: var(--color-cream);
}

.section-title {
  text-align: center;
  margin-bottom: 56px;
}
.section-title .eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--color-gold-dark);
  text-transform: uppercase;
  margin-bottom: 16px;
  position: relative;
  padding: 0 32px;
}
.section-title .eyebrow::before,
.section-title .eyebrow::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 24px;
  height: 1px;
  background-color: var(--color-gold);
}
.section-title .eyebrow::before { left: -8px; }
.section-title .eyebrow::after { right: -8px; }

.section-title h2 {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: 4px;
  margin-bottom: 16px;
}
.section-title .title-cn {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  letter-spacing: 6px;
  margin-bottom: 8px;
}
.section-title .subtitle {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--color-text-light);
  letter-spacing: 2px;
  font-style: italic;
}
.section-dark .section-title .subtitle { color: var(--color-gold-light); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 36px;
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 3px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, #005aa8 100%);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background-color: #ffffff;
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-gold {
  background-color: #ffffff;
  color: var(--color-primary-dark);
  border-color: rgba(255, 255, 255, 0.92);
}
.btn-gold:hover {
  background-color: var(--color-primary-light);
  color: #ffffff;
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}
.btn-outline-light {
  background-color: transparent;
  color: var(--color-cream);
  border-color: var(--color-cream);
}
.btn-outline-light:hover {
  background-color: var(--color-cream);
  color: var(--color-primary-dark);
}
.btn-link {
  color: var(--color-primary);
  font-size: 14px;
  letter-spacing: 2px;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-link::after {
  content: "→";
  transition: var(--transition);
}
.btn-link:hover { color: var(--color-primary-light); }
.btn-link:hover::after { transform: translateX(4px); }

/* ---------- Top Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(1, 39, 84, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition);
}
.navbar.scrolled {
  background-color: rgba(1, 39, 84, 0.98);
  border-bottom-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 2px 12px rgba(1, 39, 84, 0.18);
}
.navbar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand-logo {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-gold);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  border-radius: 50%;
  border: 2px solid var(--color-gold);
  letter-spacing: -1px;
  position: relative;
}
.brand-logo::before {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  border: 1px solid rgba(125, 171, 216, 0.4);
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-text .cn {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  letter-spacing: 2px;
}
.brand-text .en {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-menu a {
  display: block;
  padding: 10px 18px;
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-menu a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 0;
  height: 1px;
  background-color: var(--color-gold);
  transition: var(--transition);
  transform: translateX(-50%);
}
.nav-menu a:hover,
.nav-menu a.active {
  color: #ffffff;
}
.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 24px;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 6px;
  right: 6px;
  height: 2px;
  background-color: #ffffff;
  transition: var(--transition);
}
.nav-toggle span:nth-child(1) { top: 11px; }
.nav-toggle span:nth-child(2) { top: 17px; }
.nav-toggle span:nth-child(3) { top: 23px; }
.nav-toggle.active span:nth-child(1) {
  top: 17px;
  transform: rotate(45deg);
}
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) {
  top: 17px;
  transform: rotate(-45deg);
}

/* ---------- Hero / Banner ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
  overflow: hidden;
  padding: 136px max(24px, calc((100vw - var(--container-max)) / 2 + 24px)) 92px;
  background:
    linear-gradient(90deg, rgba(1, 25, 55, 0.92) 0%, rgba(2, 64, 125, 0.78) 43%, rgba(2, 64, 125, 0.20) 76%, rgba(1, 25, 55, 0.35) 100%),
    url('../images/hero-authentication.jpg');
  background-size: cover, cover;
  background-position: center, center;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 170px;
  background: linear-gradient(180deg, rgba(246, 248, 251, 0) 0%, #f6f8fb 100%);
  pointer-events: none;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 82px 0 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(1, 24, 52, 0.50) 0%, rgba(1, 24, 52, 0.32) 42%, rgba(1, 24, 52, 0.10) 100%),
    linear-gradient(180deg, rgba(1, 24, 52, 0.28) 0%, rgba(1, 24, 52, 0.06) 38%, rgba(1, 24, 52, 0) 100%);
  pointer-events: none;
}

/* ---------- Stats Bar ---------- */
.stats-bar {
  background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-cream-dark) 100%);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 48px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: center;
}
.stat-item {
  text-align: center;
  position: relative;
  padding: 0 16px;
}
.stat-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background-color: var(--color-border);
}
.stat-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -1px;
}
.stat-num .suffix {
  font-size: 24px;
  color: var(--color-gold-dark);
  margin-left: 4px;
}
.stat-label {
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 4px;
  color: var(--color-text-light);
}

/* ---------- Diamond Marker ---------- */
.diamond-marker {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--color-primary-dark);
  margin-bottom: 20px;
}
.diamond-marker::before {
  content: "◆";
  color: var(--color-gold);
  font-size: 12px;
}

/* ---------- About / Intro ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 72px;
  align-items: center;
}
.about-visual {
  position: relative;
  aspect-ratio: 1 / 0.82;
  border: 0;
  padding: 0;
  background-color: #dfe8f3;
  box-shadow: var(--shadow-luxury);
  overflow: hidden;
}
.about-visual::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  pointer-events: none;
  z-index: 2;
}
.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-visual .seal {
  position: absolute;
  top: auto;
  right: 24px;
  bottom: 24px;
  width: 108px;
  height: 108px;
  background: rgba(2, 64, 125, 0.92);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.3;
  letter-spacing: 1px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.48);
  transform: none;
  box-shadow: var(--shadow-md);
}

.about-text h2 {
  font-size: 42px;
  letter-spacing: 2px;
  margin-bottom: 24px;
}
.about-text .lead {
  font-size: 19px;
  line-height: 2;
  color: var(--color-text);
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.about-text p {
  font-size: 15px;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

/* ---------- Feature Strip ---------- */
.feature-strip {
  background: linear-gradient(135deg, #012754 0%, #02407d 58%, #005aa8 100%);
  color: var(--color-cream);
  padding: 56px 0;
  position: relative;
  overflow: hidden;
}
.feature-strip::before,
.feature-strip::after {
  content: "◆";
  position: absolute;
  color: var(--color-gold);
  font-size: 80px;
  opacity: 0.06;
  pointer-events: none;
}
.feature-strip::before { top: -20px; left: 5%; }
.feature-strip::after { bottom: -40px; right: 5%; }
.feature-strip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(125, 171, 216, 0.3);
  padding: 34px 32px;
  text-align: left;
  transition: var(--transition);
  position: relative;
}
.feature-card:hover {
  background-color: rgba(255, 255, 255, 0.10);
  border-color: var(--color-gold);
  transform: translateY(-4px);
}
.feature-card .icon {
  width: 48px;
  height: 48px;
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  color: var(--color-gold);
  font-size: 24px;
  font-family: var(--font-display);
  font-weight: 700;
}
.feature-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: 4px;
  color: #ffffff;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 1px;
}

/* ---------- Advantage Cards ---------- */
.advantage-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}
.advantage-grid .advantage-card {
  flex: 0 1 280px;
  max-width: 320px;
}
.advantage-card {
  background-color: var(--color-white);
  padding: 42px 32px;
  text-align: left;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.advantage-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-primary) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.advantage-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-gold);
}
.advantage-card:hover::before { transform: scaleX(1); }

.advantage-card .num {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 700;
  color: rgba(41, 144, 239, 0.28);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.7;
}
.advantage-card h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: 3px;
  margin-bottom: 6px;
  color: var(--color-primary-dark);
}
.advantage-card .en {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--color-gold-dark);
  text-transform: uppercase;
  margin-bottom: 16px;
  font-style: italic;
}
.advantage-card p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-text-light);
}

/* ---------- Service Categories ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background-color: var(--color-white);
  padding: 34px 28px;
  text-align: left;
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  border-color: var(--color-primary);
  background-color: var(--color-cream);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.service-card .icon-circle {
  width: 58px;
  height: 58px;
  margin: 0 0 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-gold);
  border-radius: 8px;
  font-size: 28px;
  border: 1px solid rgba(125, 171, 216, 0.52);
  position: relative;
}
.service-card .icon-circle::after {
  display: none;
}
.service-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: 3px;
  margin-bottom: 4px;
}
.service-card .en {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--color-gold-dark);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.service-card p {
  font-size: 13px;
  line-height: 1.85;
  color: var(--color-text-light);
  margin-bottom: 16px;
}
.service-card .brands {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--color-primary);
  letter-spacing: 1px;
  padding-top: 14px;
  border-top: 1px dashed var(--color-border);
}

/* ---------- Process Timeline ---------- */
.process-section {
  background: linear-gradient(180deg, var(--color-cream) 0%, var(--color-cream-dark) 100%);
}
.process-timeline {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  position: relative;
}
.process-timeline::before {
  content: "";
  position: absolute;
  top: 36px;
  left: 8%;
  right: 8%;
  height: 1px;
  background: repeating-linear-gradient(to right, var(--color-gold) 0, var(--color-gold) 6px, transparent 6px, transparent 12px);
  z-index: 0;
}
.process-step {
  text-align: center;
  position: relative;
  z-index: 2;
}
.process-step .num-circle {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  position: relative;
  transition: var(--transition);
}
.process-step:hover .num-circle {
  background-color: var(--color-primary);
  color: var(--color-gold);
  transform: scale(1.05);
}
.process-step h4 {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 3px;
  margin-bottom: 6px;
}
.process-step .en {
  font-family: var(--font-display);
  font-size: 11px;
  color: var(--color-gold-dark);
  letter-spacing: 1px;
  margin-bottom: 12px;
  font-style: italic;
}
.process-step p {
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-text-light);
  padding: 0 8px;
}

/* ---------- Certificates ---------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.cert-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  transition: var(--transition);
}
.cert-card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.cert-card .badge {
  width: 96px;
  height: 96px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-gold);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  text-align: center;
  border-radius: 50%;
  border: 2px solid var(--color-gold);
  line-height: 1.2;
  font-weight: 700;
  position: relative;
}
.cert-card .badge::before {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  border: 1px solid rgba(125, 171, 216, 0.3);
}
.cert-card .badge .big {
  font-size: 22px;
  letter-spacing: 1px;
}
.cert-card .badge .small {
  font-size: 10px;
  letter-spacing: 2px;
  margin-top: 2px;
}
.cert-card .info h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 2px;
  margin-bottom: 6px;
}
.cert-card .info .meta {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
}
.cert-card .info .meta strong {
  color: var(--color-primary-dark);
  margin-right: 8px;
}

/* ---------- Partners ---------- */
.partners-strip {
  background: #ffffff;
  border-top: 1px solid rgba(2, 64, 125, 0.08);
  border-bottom: 1px solid rgba(2, 64, 125, 0.08);
  padding: 72px 0;
}
.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
  align-items: center;
}
.partner-item {
  height: 104px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #ffffff;
  border: 1px solid rgba(2, 64, 125, 0.10);
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--color-primary-dark);
  letter-spacing: 4px;
  transition: var(--transition);
  text-align: center;
  padding: 18px;
  box-shadow: 0 10px 28px rgba(1, 39, 84, 0.05);
}
.partner-item img {
  max-width: 100%;
  max-height: 66px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.76;
  transition: var(--transition);
}
.partner-item:hover {
  background-color: var(--color-white);
  border-color: rgba(41, 144, 239, 0.36);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.partner-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* ---------- News ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.news-card .thumb {
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(135deg, rgba(1, 39, 84, 0.68) 0%, rgba(1, 30, 63, 0.82) 100%),
    url('../images/service-banner.jpeg');
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.news-card .thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(125, 171, 216, 0.06) 20px, rgba(125, 171, 216, 0.06) 21px);
}
.news-card .thumb .thumb-icon {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--color-gold);
  opacity: 0.7;
  z-index: 1;
}
.news-card .thumb .tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background-color: var(--color-gold);
  color: var(--color-primary-dark);
  font-family: var(--font-serif);
  font-size: 12px;
  padding: 4px 12px;
  letter-spacing: 2px;
  z-index: 2;
}
.news-card .body {
  padding: 24px 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.news-card .date {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--color-gold-dark);
  margin-bottom: 12px;
}
.news-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 2px;
  margin-bottom: 12px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card:hover h3 { color: var(--color-primary); }
.news-card .excerpt {
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.news-card .more {
  font-size: 13px;
  color: var(--color-primary);
  letter-spacing: 2px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ---------- Contact ---------- */
.contact-section {
  background:
    linear-gradient(90deg, rgba(1, 30, 63, 0.96) 0%, rgba(2, 64, 125, 0.86) 100%),
    url('../images/service-banner.jpeg');
  background-size: cover;
  background-position: center;
  color: var(--color-cream);
  position: relative;
  overflow: hidden;
}
.contact-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, transparent, transparent 80px, rgba(125, 171, 216, 0.04) 80px, rgba(125, 171, 216, 0.04) 81px);
}
.contact-section::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  border: 80px solid rgba(255, 255, 255, 0.03);
  pointer-events: none;
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(240px, 300px));
  gap: 24px;
  justify-content: center;
  position: relative;
}
.contact-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(125, 171, 216, 0.3);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}
.contact-card:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: var(--color-gold);
  transform: translateY(-4px);
}
.contact-card .icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  color: var(--color-gold);
  font-family: var(--font-display);
  font-size: 22px;
}
.contact-card h4 {
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 3px;
  color: var(--color-gold-light);
  margin-bottom: 12px;
}
.contact-card p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
  word-break: break-word;
}
.contact-card .wechat-qr {
  width: 96px;
  height: 96px;
  margin: 0 auto 14px;
  padding: 6px;
  object-fit: contain;
  background: var(--color-white);
  border: 1px solid rgba(2, 64, 125, 0.12);
  border-radius: var(--radius-sm);
}

/* ---------- Footer ---------- */
.footer {
  background-color: #011E3F;
  color: rgba(255, 255, 255, 0.65);
  padding: 64px 0 24px;
  font-size: 13px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(125, 171, 216, 0.15);
}
.footer h5 {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--color-gold-light);
  letter-spacing: 3px;
  margin-bottom: 20px;
}
.footer-about p {
  line-height: 1.85;
  margin-bottom: 12px;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  letter-spacing: 1.5px;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--color-gold-light); padding-left: 4px; }
.footer-contact-item {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
  line-height: 1.6;
}
.footer-contact-item .label {
  color: var(--color-gold-dark);
  flex-shrink: 0;
  min-width: 56px;
}
.footer-bottom {
  padding-top: 24px;
  text-align: center;
  font-size: 12px;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.45);
}
.footer-bottom a { color: var(--color-gold-light); }
.footer-bottom a:hover { color: var(--color-gold); }

/* ---------- Page Header (for sub pages) ---------- */
.page-header {
  padding: 160px 24px 80px;
  text-align: center;
  background: linear-gradient(135deg, rgba(1, 39, 84, 0.95) 0%, rgba(5, 5, 5, 1) 100%);
  color: var(--color-cream);
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, transparent, transparent 60px, rgba(125, 171, 216, 0.05) 60px, rgba(125, 171, 216, 0.05) 61px);
}
.page-header .eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 6px;
  color: var(--color-gold);
  margin-bottom: 16px;
  text-transform: uppercase;
}
.page-header h1 {
  font-family: var(--font-serif);
  font-size: 48px;
  letter-spacing: 8px;
  color: var(--color-cream);
  margin-bottom: 12px;
}
.page-header .en {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 18px;
  letter-spacing: 3px;
  color: var(--color-gold-light);
  margin-bottom: 24px;
}
.breadcrumb {
  font-family: var(--font-serif);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 2px;
}
.breadcrumb a { color: var(--color-gold-light); }
.breadcrumb a:hover { color: var(--color-gold); }
.breadcrumb .sep { margin: 0 12px; opacity: 0.5; }

/* ---------- News List ---------- */
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-list-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 28px 32px;
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: 24px;
  align-items: center;
  transition: var(--transition);
}
.news-list-item:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}
.news-date-block {
  text-align: center;
  padding: 12px;
  background-color: var(--color-cream);
  border: 1px solid var(--color-border);
}
.news-date-block .day {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}
.news-date-block .ym {
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 6px;
  letter-spacing: 1px;
}
.news-list-item .content h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.news-list-item:hover .content h3 { color: var(--color-primary); }
.news-list-item .content .excerpt {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-list-item .tag {
  font-family: var(--font-serif);
  font-size: 12px;
  padding: 4px 12px;
  background-color: var(--color-cream);
  color: var(--color-primary);
  letter-spacing: 2px;
  border: 1px solid var(--color-border);
}

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}
.pagination a, .pagination span {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  font-family: var(--font-serif);
  font-size: 14px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  letter-spacing: 1px;
  transition: var(--transition);
}
.pagination a:hover, .pagination .current {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* ---------- Process Detail (full page) ---------- */
.process-detail-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.process-detail-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background-color: var(--color-white);
  padding: 48px;
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.process-detail-item:nth-child(even) {
  grid-template-columns: 1fr 1fr;
}
.process-detail-item:nth-child(even) .process-visual { order: 2; }
.process-detail-item .step-tag {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--color-gold-dark);
  letter-spacing: 4px;
  margin-bottom: 12px;
  display: inline-block;
  padding: 4px 16px;
  border: 1px solid var(--color-gold);
  border-radius: 24px;
}
.process-detail-item h3 {
  font-family: var(--font-serif);
  font-size: 32px;
  letter-spacing: 4px;
  margin-bottom: 20px;
}
.process-detail-item p {
  font-size: 15px;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 16px;
}
.process-detail-item .process-visual {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.process-detail-item .process-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 0;
}
.process-detail-item .process-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(125, 171, 216, 0.03) 20px, rgba(125, 171, 216, 0.03) 21px);
  pointer-events: none;
  z-index: 1;
}
.process-detail-item .process-visual .visual-num {
  font-family: var(--font-display);
  font-size: 120px;
  font-weight: 700;
  color: var(--color-gold);
  opacity: 0.7;
  position: relative;
  z-index: 1;
}
.process-detail-item .process-visual .visual-label {
  position: absolute;
  bottom: 24px;
  left: 24px;
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: 4px;
  color: var(--color-gold-light);
  z-index: 2;
}

/* ---------- Form ---------- */
.contact-form {
  background-color: var(--color-white);
  padding: 48px;
  border: 1px solid var(--color-border);
  position: relative;
}
.contact-form::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  bottom: 8px;
  border: 1px solid var(--color-gold-light);
  pointer-events: none;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
.form-group {
  margin-bottom: 24px;
  position: relative;
}
.form-group label {
  display: block;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--color-text);
  margin-bottom: 8px;
}
.form-group label::before {
  content: "◆";
  color: var(--color-gold);
  font-size: 10px;
  margin-right: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 14px;
  background-color: var(--color-cream);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-gold);
  background-color: var(--color-white);
}
.form-group textarea { resize: vertical; min-height: 140px; }

/* ---------- Map ---------- */
.map-block {
  height: 360px;
  background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-cream-dark) 100%);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.map-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(2, 64, 125, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(2, 64, 125, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}
.map-pin {
  position: relative;
  z-index: 2;
  text-align: center;
}
.map-pin .marker {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  background-color: var(--color-primary);
  border: 3px solid var(--color-gold);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.map-pin .marker::after {
  content: "◆";
  transform: rotate(45deg);
  color: var(--color-gold);
  font-size: 18px;
}
.map-pin .label {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--color-primary-dark);
  letter-spacing: 3px;
  background-color: var(--color-white);
  padding: 8px 20px;
  border: 1px solid var(--color-border);
}

/* ---------- Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Nav Hotline ---------- */
.nav-hotline {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  color: var(--color-primary-dark);
  border-radius: var(--radius-sm);
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 2px;
  white-space: nowrap;
  transition: var(--transition);
}
.nav-hotline:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(125, 171, 216, 0.4);
}
.nav-hotline .hotline-icon {
  font-size: 16px;
}
.nav-hotline .hotline-num {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 1px;
}

/* ---------- Hero Simplified ---------- */
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 5px;
  color: rgba(255, 255, 255, 0.88);
  text-transform: uppercase;
  margin-bottom: 24px;
  position: relative;
  padding: 0 0 0 18px;
}
.hero-eyebrow::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 6px;
  height: 26px;
  transform: translateY(-50%);
  background-color: var(--color-primary-light);
}
.hero-eyebrow::after { display: none; }

.hero-tagline {
  font-family: var(--font-serif);
  font-size: clamp(42px, 6vw, 76px);
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--color-cream);
  margin-bottom: 22px;
  text-shadow: 0 8px 32px rgba(0, 0, 0, 0.36);
}
.hero-tagline .gold-accent {
  color: #ffffff;
}
.hero-sub {
  max-width: 620px;
  font-family: var(--font-sans);
  font-size: clamp(16px, 1.4vw, 20px);
  letter-spacing: 1px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 28px;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-trust {
  margin: 18px 0 0;
  font-size: 13px;
  letter-spacing: 1px;
  color: rgba(248, 248, 248, 0.72);
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 3px;
  color: rgba(255, 255, 255, 0.6);
}
.hero-badge-row {
  display: flex;
  justify-content: flex-start;
  gap: 12px;
  margin-bottom: 34px;
  flex-wrap: wrap;
}
.hero-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-serif);
  min-height: 38px;
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.20);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  font-size: 13px;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.86);
}
.hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--color-primary-light);
  border-radius: 50%;
}
.hero-content {
  position: relative;
  z-index: 2;
  width: min(720px, 100%);
}
.hero-proof-panel {
  position: absolute;
  right: max(24px, calc((100vw - var(--container-max)) / 2 + 24px));
  bottom: 92px;
  z-index: 2;
  width: 250px;
  padding: 24px;
  color: #ffffff;
  background: rgba(1, 29, 63, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.20);
  backdrop-filter: blur(16px);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.22);
}
.hero-proof-panel .proof-label {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 3px;
  color: rgba(255, 255, 255, 0.62);
}
.hero-proof-panel strong {
  display: block;
  font-family: var(--font-display);
  font-size: 54px;
  line-height: 1;
  color: #ffffff;
  letter-spacing: 1px;
}
.hero-proof-panel p {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.72);
}

/* ---------- Stat Note (accuracy annotation) ---------- */
.stat-note {
  display: block;
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--color-text-light);
  letter-spacing: 1px;
  margin-top: 6px;
  line-height: 1.4;
}

/* ---------- Expert Cards ---------- */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 860px;
  margin: 0 auto;
}
.expert-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 36px 32px;
  display: flex;
  gap: 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.expert-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  transform: scaleY(0);
  transform-origin: top;
  transition: var(--transition);
}
.expert-card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.expert-card:hover::before { transform: scaleY(1); }
.expert-avatar {
  width: 88px;
  height: 88px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border: 2px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: 2px;
  position: relative;
}
.expert-avatar::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px dashed var(--color-gold);
  opacity: 0.4;
}
.expert-info h4 {
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: 3px;
  margin-bottom: 4px;
  color: var(--color-primary-dark);
}
.expert-info .expert-title {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--color-gold-dark);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.expert-info .expert-meta {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 12px;
  padding: 3px 12px;
  background-color: var(--color-cream);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  letter-spacing: 1px;
  margin-bottom: 12px;
  border-radius: 20px;
}
.expert-info p {
  font-size: 13px;
  line-height: 1.85;
  color: var(--color-text-light);
}

/* ---------- CTA Band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-cream);
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, transparent, transparent 80px, rgba(125, 171, 216, 0.04) 80px, rgba(125, 171, 216, 0.04) 81px);
}
.cta-band-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}
.cta-band h2 {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  letter-spacing: 5px;
  color: var(--color-cream);
  margin-bottom: 12px;
}
.cta-band .cta-sub {
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 3px;
  color: var(--color-gold-light);
  margin-bottom: 32px;
}
.cta-band .cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Article Category Filter ---------- */
/* ---------- 企业专栏 · 联系电话提示条 ---------- */
.article-hotline-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: -20px 0 40px;
  padding: 16px 28px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  border-radius: 6px;
  font-size: 14px;
  letter-spacing: 1px;
}
.article-hotline-bar .hl-icon {
  font-size: 20px;
  color: var(--color-gold);
}
.article-hotline-bar .hl-text {
  opacity: 0.9;
}
.article-hotline-bar .hl-phone {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 2px;
  text-decoration: none;
  transition: var(--transition);
}
.article-hotline-bar .hl-phone:hover {
  color: var(--color-white);
}
.article-hotline-bar .hl-sub {
  font-size: 13px;
  opacity: 0.85;
}

/* ---------- 文章详情 · 联系 CTA 区块 ---------- */
.article-cta {
  margin: 48px 0 0;
  padding: 40px 44px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: 8px;
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.article-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, transparent, transparent 22px, rgba(255, 255, 255, 0.04) 22px, rgba(255, 255, 255, 0.04) 23px);
  pointer-events: none;
}
.article-cta .cta-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 4px;
  margin-bottom: 10px;
  color: var(--color-gold);
}
.article-cta .cta-desc {
  font-size: 14px;
  opacity: 0.9;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.article-cta .cta-items {
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}
.article-cta .cta-item {
  flex: 1 1 160px;
  max-width: 220px;
  padding: 16px 24px;
  font-size: 15px;
  letter-spacing: 1px;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}
.article-cta .cta-item:last-child {
  border-right: none;
}
.article-cta .cta-label {
  display: block;
  opacity: 0.75;
  margin-right: 0;
  margin-bottom: 8px;
  font-size: 13px;
}
.article-cta .cta-value,
.article-cta .cta-phone {
  display: block;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-gold);
  letter-spacing: 1px;
  line-height: 1.4;
  text-decoration: none;
  transition: var(--transition);
}
.article-cta .cta-phone:hover {
  color: var(--color-white);
}
@media (max-width: 640px) {
  .article-cta {
    padding: 32px 24px;
  }
  .article-cta .cta-item {
    flex: 1 1 100%;
    max-width: 100%;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    padding: 14px 0;
  }
  .article-cta .cta-item:last-child {
    border-bottom: none;
  }
}
.article-cta .btn {
  position: relative;
  z-index: 1;
}

.article-filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}
.article-filter-bar .filter-tag {
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 2px;
  padding: 8px 24px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  cursor: pointer;
  transition: var(--transition);
  border-radius: 24px;
}
.article-filter-bar .filter-tag:hover {
  border-color: var(--color-gold);
  color: var(--color-primary);
}
.article-filter-bar .filter-tag.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* ---------- Article Card (Enterprise Column) ---------- */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.article-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}
.article-card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.article-card .article-cover {
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(135deg, rgba(1, 39, 84, 0.70) 0%, rgba(1, 30, 63, 0.86) 100%),
    url('../images/hero-authentication.jpg');
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.article-card .article-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(125, 171, 216, 0.06) 20px, rgba(125, 171, 216, 0.06) 21px);
}
.article-card .article-cover .cover-icon {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--color-gold);
  opacity: 0.7;
  z-index: 1;
}
.article-card .article-cover .cover-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background-color: var(--color-gold);
  color: var(--color-primary-dark);
  font-family: var(--font-serif);
  font-size: 12px;
  padding: 4px 12px;
  letter-spacing: 2px;
  z-index: 2;
}
.article-card .article-body {
  padding: 24px 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.article-card .article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--color-gold-dark);
  margin-bottom: 12px;
}
.article-card .article-meta .author {
  color: var(--color-text-light);
  font-family: var(--font-serif);
}
.article-card .article-meta .dot {
  width: 3px;
  height: 3px;
  background-color: var(--color-border);
  border-radius: 50%;
}
.article-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 2px;
  margin-bottom: 12px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card:hover h3 { color: var(--color-primary); }
.article-card .article-excerpt {
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.article-card .article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px dashed var(--color-border);
}
.article-card .article-footer .read-more {
  font-size: 13px;
  color: var(--color-primary);
  letter-spacing: 2px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-card .article-footer .read-time {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--color-text-light);
  letter-spacing: 1px;
}

/* ---------- Article Detail Hero ---------- */
.article-detail-hero {
  padding: 160px 24px 64px;
  background: linear-gradient(135deg, rgba(1, 39, 84, 0.95) 0%, rgba(1, 30, 63, 1) 100%);
  color: var(--color-cream);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.article-detail-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(45deg, transparent, transparent 60px, rgba(125, 171, 216, 0.05) 60px, rgba(125, 171, 216, 0.05) 61px);
}
.article-detail-hero .tag {
  display: inline-block;
  background-color: var(--color-gold);
  color: var(--color-primary-dark);
  font-family: var(--font-serif);
  font-size: 13px;
  padding: 4px 16px;
  letter-spacing: 3px;
  margin-bottom: 16px;
}
.article-detail-hero h1 {
  font-family: var(--font-serif);
  font-size: 36px;
  letter-spacing: 4px;
  color: var(--color-cream);
  max-width: 880px;
  margin: 0 auto 16px;
  line-height: 1.4;
}
.article-detail-hero .meta-row {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--color-gold-light);
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.article-detail-hero .meta-row .meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.article-detail-hero .breadcrumb {
  margin-top: 20px;
  font-family: var(--font-serif);
  font-size: 13px;
  color: rgba(248, 248, 248, 0.7);
  letter-spacing: 2px;
}
.article-detail-hero .breadcrumb a { color: var(--color-gold-light); }
.article-detail-hero .breadcrumb .sep { margin: 0 12px; opacity: 0.5; }

/* ---------- Article Author Box ---------- */
.article-author-box {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background-color: var(--color-cream);
  border: 1px solid var(--color-border);
  margin: 32px 0;
}
.article-author-box .author-avatar {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border: 2px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
}
.article-author-box .author-info .name {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary-dark);
  letter-spacing: 2px;
  margin-bottom: 4px;
}
.article-author-box .author-info .desc {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .section { padding: 72px 0; }
  .section-title h2 { font-size: 30px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .stat-item:nth-child(2)::after { display: none; }
  .stat-num { font-size: 40px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .advantage-grid, .service-grid, .news-grid, .cert-grid, .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .advantage-grid { display: flex; }
  .advantage-grid .advantage-card { flex: 0 1 260px; }
  .process-timeline { grid-template-columns: repeat(3, 1fr); gap: 32px 16px; }
  .process-timeline::before { display: none; }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .process-detail-item,
  .process-detail-item:nth-child(even) {
    grid-template-columns: 1fr;
    padding: 32px;
  }
  .process-detail-item:nth-child(even) .process-visual { order: 0; }
  .feature-strip-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 720px) {
  body { font-size: 14px; }
  .container { padding: 0 16px; }
  .section { padding: 56px 0; }
  .section-title { margin-bottom: 40px; }
  .section-title h2 { font-size: 26px; letter-spacing: 3px; }
  .section-title .title-cn { font-size: 24px; }

  /* nav mobile */
  .navbar-inner { padding: 12px 16px; }
  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-primary-dark);
    padding: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 6px 24px rgba(1, 39, 84, 0.18);
    transform: translateY(-150%);
    transition: var(--transition);
    gap: 0;
  }
  .nav-menu.open { transform: translateY(0); }
  .nav-menu a {
    width: 100%;
    padding: 14px 16px;
    border-bottom: 1px solid var(--color-border);
    text-align: center;
  }
  .nav-cta { display: none; }
  .nav-hotline { display: none; }
  .nav-toggle { display: block; }

  /* hero */
  .hero {
    min-height: 80vh;
    padding: 100px 16px 60px;
    background-position: 58% center, 58% center;
  }
  .hero::before {
    inset: 69px 0 0;
    background:
      linear-gradient(90deg, rgba(1, 24, 52, 0.66) 0%, rgba(1, 24, 52, 0.38) 100%),
      linear-gradient(180deg, rgba(1, 24, 52, 0.38) 0%, rgba(1, 24, 52, 0.08) 55%, rgba(1, 24, 52, 0) 100%);
  }
  .hero h1 { font-size: 36px; letter-spacing: 1px; }
  .hero-eyebrow { font-size: 13px; letter-spacing: 2px; }
  .hero-proof-panel { display: none; }
  .hero-desc { font-size: 14px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .hero-badge-row { gap: 16px; }
  .hero-badge { font-size: 12px; }

  /* sections */
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item:not(:last-child)::after { display: none; }
  .stat-num { font-size: 36px; }
  .advantage-grid, .service-grid, .news-grid, .cert-grid, .partners-grid, .contact-grid, .article-grid {
    grid-template-columns: 1fr;
  }
  .process-timeline { grid-template-columns: 1fr 1fr; }
  .news-list-item {
    grid-template-columns: 1fr;
    gap: 12px;
    text-align: center;
  }
  .news-list-item .tag { justify-self: center; }
  .cert-card { flex-direction: column; text-align: center; }
  .feature-strip-grid { grid-template-columns: 1fr; }
  .expert-card { flex-direction: column; text-align: center; padding: 28px 20px; }
  .expert-avatar { margin: 0 auto; }
  .expert-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 48px 0; }
  .cta-band h2 { font-size: 24px; letter-spacing: 3px; }
  .cta-band .cta-actions { flex-direction: column; width: 100%; }
  .cta-band .cta-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .page-header { padding: 120px 16px 60px; }
  .page-header h1 { font-size: 30px; letter-spacing: 4px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 24px; }
}

/* ---------- Conversion polish ---------- */
.form-helper {
  margin: -4px 0 18px;
  font-size: 12px;
  line-height: 1.8;
  color: var(--color-text-light);
}
.form-status {
  display: none;
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid rgba(2, 64, 125, 0.16);
  background: rgba(41, 144, 239, 0.08);
  color: var(--color-primary-dark);
  font-size: 13px;
  line-height: 1.8;
  white-space: pre-line;
  border-radius: var(--radius-sm);
}
.form-status.visible { display: block; }
.form-status.error {
  border-color: rgba(180, 48, 48, 0.24);
  background: rgba(180, 48, 48, 0.08);
  color: #8b1f1f;
}
.mobile-action-bar { display: none; }

@media (max-width: 720px) {
  .nav-toggle:focus-visible,
  .mobile-action-bar a:focus-visible {
    outline: 2px solid var(--color-gold-light);
    outline-offset: 2px;
  }
  .hero-trust {
    font-size: 12px;
    letter-spacing: 1px;
    line-height: 1.8;
  }
  .footer { padding-bottom: 92px; }
  .mobile-action-bar {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 1200;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 8px;
    background: rgba(1, 39, 84, 0.94);
    border: 1px solid rgba(125, 171, 216, 0.28);
    border-radius: 8px;
    box-shadow: 0 12px 32px rgba(1, 39, 84, 0.22);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
  .mobile-action-bar a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    border-radius: 6px;
    font-family: var(--font-serif);
    font-size: 14px;
    letter-spacing: 2px;
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.08);
  }
  .mobile-action-bar a:last-child {
    background: var(--color-gold);
    color: var(--color-primary-dark);
  }
}