/* ============================================================
   湖南皆计算网络技术有限公司 - 官网主样式
   参考 WordPress Astra / Hello Elementor 风格，简约大气
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --brand-primary: #1a3c6e;
  --brand-accent:  #0ea5e9;
  --brand-dark:    #0f172a;
  --brand-light:   #f0f6ff;
  --text-main:     #1e293b;
  --text-muted:    #64748b;
  --border:        #e2e8f0;
  --white:         #ffffff;
  --radius:        8px;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.08);
  --shadow-md:     0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:     0 8px 32px rgba(0,0,0,.12);
  --transition:    .25s ease;
  --container:     1200px;
}

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-main);
  background: var(--white);
}

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

/* ---------- Typography ---------- */
h1 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 800; line-height: 1.2; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; line-height: 1.3; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 600; }
h4 { font-size: 1.05rem; font-weight: 600; }
p  { color: var(--text-muted); }

/* ---------- Layout ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 80px 0; }

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header .eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--brand-accent);
  background: rgba(14,165,233,.1);
  border-radius: 100px;
  padding: 4px 14px;
  margin-bottom: 14px;
}
.section-header h2 { color: var(--brand-dark); margin-bottom: 14px; }
.section-header p  { max-width: 600px; margin: 0 auto; font-size: 1.05rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 32px;
  border-radius: var(--radius);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}
.btn-primary {
  background: var(--brand-accent);
  color: var(--white);
}
.btn-primary:hover { background: #0284c7; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(14,165,233,.35); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.65);
}
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: var(--white); }

.btn-dark {
  background: var(--brand-primary);
  color: var(--white);
}
.btn-dark:hover { background: #142d56; transform: translateY(-2px); }

/* ---------- Navbar ---------- */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}
#navbar.scrolled {
  background: rgba(255,255,255,.97);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo .logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1rem;
  color: white;
  letter-spacing: -1px;
}
.nav-logo .logo-text { font-size: .95rem; font-weight: 700; color: var(--white); line-height: 1.2; }
.nav-logo .logo-text .sub { font-size: .7rem; font-weight: 400; opacity: .8; }
#navbar.scrolled .nav-logo .logo-text { color: var(--brand-dark); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: .9rem;
  font-weight: 500;
  color: rgba(255,255,255,.88);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--brand-accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }

#navbar.scrolled .nav-links a { color: var(--text-muted); }
#navbar.scrolled .nav-links a:hover,
#navbar.scrolled .nav-links a.active { color: var(--brand-primary); }

.nav-cta { margin-left: 12px; }

/* mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
#navbar.scrolled .nav-toggle span { background: var(--brand-dark); }

/* ---------- Hero ---------- */
#hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f172a 0%, var(--brand-primary) 45%, #1e4d8c 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-bg-shapes .shape {
  position: absolute;
  border-radius: 50%;
  opacity: .08;
  background: var(--brand-accent);
}
.shape-1 { width: 500px; height: 500px; top: -100px; right: -150px; }
.shape-2 { width: 300px; height: 300px; bottom: 80px; left: -80px; }
.shape-3 { width: 180px; height: 180px; top: 40%; right: 25%; opacity: .05; }

/* Grid lines decoration */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 740px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(14,165,233,.15);
  border: 1px solid rgba(14,165,233,.3);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--brand-accent);
  margin-bottom: 28px;
  letter-spacing: .06em;
}
.hero-badge .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand-accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.8); }
}

#hero h1 { color: var(--white); margin-bottom: 24px; }
#hero h1 .highlight {
  background: linear-gradient(90deg, var(--brand-accent), #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
#hero p {
  color: rgba(255,255,255,.72);
  font-size: 1.15rem;
  margin-bottom: 40px;
  max-width: 560px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,.1);
  flex-wrap: wrap;
}
.hero-stat .num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.hero-stat .num span { color: var(--brand-accent); }
.hero-stat .label {
  font-size: .8rem;
  color: rgba(255,255,255,.55);
  margin-top: 4px;
  letter-spacing: .04em;
}

/* ---------- Services (首页) ---------- */
#services-preview {
  background: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.service-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--brand-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}
.service-card h3 { color: var(--brand-dark); margin-bottom: 10px; }
.service-card p { font-size: .92rem; line-height: 1.7; }

/* ---------- About Preview (首页) ---------- */
#about-preview {
  background: var(--brand-light);
}
.about-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-visual {
  position: relative;
}
.about-visual-card {
  background: var(--white);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.about-visual-card .big-text {
  font-size: 6rem;
  font-weight: 900;
  color: var(--brand-light);
  line-height: 1;
  position: absolute;
  bottom: 20px; right: 20px;
  letter-spacing: -4px;
  user-select: none;
}
.about-visual-card .timeline-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}
.about-visual-card .timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--brand-accent);
  margin-top: 6px;
  flex-shrink: 0;
}
.timeline-content h4 { color: var(--brand-dark); }
.timeline-content p { font-size: .88rem; }

.about-text h2 { color: var(--brand-dark); margin-bottom: 20px; }
.about-text .lead { font-size: 1.05rem; color: var(--text-muted); margin-bottom: 28px; }

.check-list { margin-bottom: 36px; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: .95rem;
  color: var(--text-main);
}
.check-list li:last-child { border-bottom: none; }
.check-icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: rgba(14,165,233,.12);
  color: var(--brand-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  flex-shrink: 0;
  margin-top: 2px;
  font-weight: 700;
}

/* ---------- CTA Banner ---------- */
#cta-banner {
  background: linear-gradient(135deg, var(--brand-primary), #0f2d5e);
  padding: 80px 0;
}
.cta-inner {
  text-align: center;
}
.cta-inner h2 { color: var(--white); margin-bottom: 16px; }
.cta-inner p { color: rgba(255,255,255,.72); font-size: 1.05rem; margin-bottom: 36px; }

/* ---------- Footer ---------- */
#footer {
  background: var(--brand-dark);
  padding: 64px 0 0;
  color: rgba(255,255,255,.7);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-about .logo-text { color: var(--white); font-size: 1rem; font-weight: 700; margin-bottom: 16px; display: block; }
.footer-about p { font-size: .88rem; line-height: 1.8; }

.footer-col h4 { color: var(--white); font-size: .9rem; font-weight: 600; margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: .85rem; color: rgba(255,255,255,.55); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--brand-accent); }

.footer-contact p { font-size: .85rem; margin-bottom: 10px; display: flex; align-items: flex-start; gap: 8px; }
.footer-contact .icon { color: var(--brand-accent); flex-shrink: 0; font-style: normal; }

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .8rem;
  color: rgba(255,255,255,.35);
}
.footer-bottom a { color: rgba(255,255,255,.45); }
.footer-bottom a:hover { color: var(--white); }

/* ---------- Page Hero (子页面) ---------- */
.page-hero {
  padding: 160px 0 80px;
  background: linear-gradient(135deg, #0f172a 0%, var(--brand-primary) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.page-hero h1 { color: var(--white); position: relative; z-index: 1; margin-bottom: 14px; }
.page-hero p  { color: rgba(255,255,255,.7); font-size: 1.1rem; position: relative; z-index: 1; max-width: 560px; margin: 0 auto; }
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: .82rem;
  color: rgba(255,255,255,.5);
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.breadcrumb a { color: rgba(255,255,255,.65); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb .sep { color: rgba(255,255,255,.3); }

/* ---------- About Page Specific ---------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.value-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: var(--transition);
}
.value-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.value-icon { font-size: 2.4rem; margin-bottom: 16px; }
.value-card h3 { color: var(--brand-dark); margin-bottom: 10px; }

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
}
.team-card {
  text-align: center;
}
.team-avatar {
  width: 100px; height: 100px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  font-weight: 700;
}
.team-card h4 { color: var(--brand-dark); }
.team-card .title { font-size: .85rem; color: var(--brand-accent); font-weight: 600; margin: 4px 0 8px; }
.team-card p { font-size: .85rem; }

/* ---------- Products Page ---------- */
.product-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 80px;
}
.product-featured.reverse { direction: rtl; }
.product-featured.reverse > * { direction: ltr; }

.product-visual {
  background: linear-gradient(135deg, var(--brand-light), #dbeafe);
  border-radius: 20px;
  padding: 48px;
  text-align: center;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  border: 1px solid var(--border);
}
.product-info .tag {
  display: inline-block;
  background: rgba(14,165,233,.1);
  color: var(--brand-accent);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.product-info h2 { color: var(--brand-dark); margin-bottom: 16px; }
.product-info .desc { font-size: 1rem; line-height: 1.8; margin-bottom: 28px; }
.feature-list { margin-bottom: 32px; }
.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: .92rem;
  color: var(--text-main);
  border-bottom: 1px dashed var(--border);
}
.feature-list li:last-child { border-bottom: none; }
.feature-list .check { color: var(--brand-accent); font-weight: 700; font-size: .85rem; }

.packages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}
.pkg-card {
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 20px;
  padding: 36px 28px;
  position: relative;
  transition: var(--transition);
}
.pkg-card.popular {
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 4px rgba(14,165,233,.08);
}
.pkg-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pkg-badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--brand-accent);
  color: white;
  font-size: .72rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 100px;
  letter-spacing: .06em;
  white-space: nowrap;
}
.pkg-card .pkg-name { font-size: 1rem; font-weight: 700; color: var(--brand-dark); margin-bottom: 8px; }
.pkg-card .pkg-desc { font-size: .85rem; margin-bottom: 24px; }
.pkg-card .pkg-price { font-size: 2rem; font-weight: 800; color: var(--brand-primary); margin-bottom: 4px; }
.pkg-card .pkg-price span { font-size: 1rem; font-weight: 500; color: var(--text-muted); }
.pkg-divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }
.pkg-features li {
  display: flex; align-items: center; gap: 8px;
  font-size: .88rem;
  padding: 6px 0;
  color: var(--text-main);
}
.pkg-features .chk { color: var(--brand-accent); font-weight: 700; font-size: .8rem; }
.pkg-features .cross { color: #cbd5e1; font-size: .9rem; }
.pkg-card .btn { width: 100%; justify-content: center; margin-top: 28px; }

/* ---------- Contact Page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 56px;
  align-items: flex-start;
}
.contact-info-card {
  background: linear-gradient(135deg, var(--brand-primary), #1e4d8c);
  border-radius: 20px;
  padding: 48px 36px;
  color: white;
}
.contact-info-card h3 { color: white; margin-bottom: 8px; }
.contact-info-card .sub { color: rgba(255,255,255,.7); font-size: .92rem; margin-bottom: 36px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}
.contact-item-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(255,255,255,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item-text .label { font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.5); margin-bottom: 4px; }
.contact-item-text .value { font-size: .95rem; color: white; }

.contact-form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 40px;
  box-shadow: var(--shadow-md);
}
.contact-form-card h3 { color: var(--brand-dark); margin-bottom: 8px; }
.contact-form-card .sub { color: var(--text-muted); font-size: .92rem; margin-bottom: 32px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; color: var(--text-main); margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: .92rem;
  font-family: inherit;
  color: var(--text-main);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 3px rgba(14,165,233,.12);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-submit { width: 100%; justify-content: center; padding: 15px; font-size: 1rem; }

/* ---------- Map Placeholder ---------- */
.map-section {
  background: var(--brand-light);
  padding: 80px 0;
}
.map-container {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: #e2e8f0;
  height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.map-placeholder {
  text-align: center;
  color: var(--text-muted);
}
.map-placeholder .map-icon { font-size: 3rem; margin-bottom: 12px; }
.map-placeholder p { font-size: .9rem; }

/* ---------- Process Steps ---------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 28px; left: 10%; right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
  z-index: 0;
}
.step {
  text-align: center;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}
.step-num {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
  color: white;
  font-size: 1.2rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 4px 16px rgba(14,165,233,.35);
}
.step h4 { color: var(--brand-dark); margin-bottom: 8px; }
.step p { font-size: .88rem; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-preview-grid { grid-template-columns: 1fr; gap: 40px; }
  .product-featured { grid-template-columns: 1fr; gap: 40px; }
  .product-featured.reverse { direction: ltr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .hero-stats { gap: 24px; }
  section { padding: 60px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .process-steps::before { display: none; }
}

/* Mobile menu overlay */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.97);
  z-index: 1000;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 1.4rem;
  font-weight: 700;
  color: white;
}
.mobile-menu a:hover { color: var(--brand-accent); }
.mobile-close {
  position: absolute;
  top: 24px; right: 24px;
  font-size: 1.6rem;
  color: white;
  cursor: pointer;
  background: none;
  border: none;
}

/* ---------- Animations ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   行业资讯 / 文章列表样式
   ============================================================ */

.news-list-section {
  padding: 80px 0;
  background: #f8fafc;
}

.news-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: flex-start;
}

/* 主内容区 */
.news-main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* 文章卡片 */
.news-card {
  display: flex;
  gap: 24px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: box-shadow var(--transition), transform var(--transition);
}
.news-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.news-thumb {
  flex-shrink: 0;
  width: 220px;
  height: 150px;
  border-radius: 6px;
  overflow: hidden;
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.news-card:hover .news-thumb img { transform: scale(1.05); }

.news-content { flex: 1; }
.news-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.news-category { color: var(--brand-accent); }
.news-content h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}
.news-content h2 a { color: var(--text-main); text-decoration: none; }
.news-content h2 a:hover { color: var(--brand-accent); }
.news-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.read-more {
  font-size: 14px;
  color: var(--brand-accent);
  text-decoration: none;
  font-weight: 500;
}
.read-more:hover { text-decoration: underline; }

/* 无文章提示 */
.empty-news {
  text-align: center;
  padding: 60px 20px;
  background: var(--white);
  border-radius: var(--radius);
  border: 2px dashed var(--border);
}
.empty-news p { color: var(--text-muted); font-size: 15px; }

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  padding-top: 20px;
}
.pagination a,
.pagination span {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 14px;
  color: var(--text-main);
  background: var(--white);
  transition: all var(--transition);
}
.pagination a:hover,
.pagination .current {
  background: var(--brand-primary);
  color: var(--white);
  border-color: var(--brand-primary);
}

/* 侧边栏 */
.news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 80px;
}

.sidebar-widget {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.sidebar-widget h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--brand-accent);
  color: var(--text-main);
}

/* 搜索框 */
.sidebar-widget form {
  display: flex;
  gap: 0;
}
.sidebar-widget input[type="text"] {
  flex: 1;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-right: none;
  border-radius: var(--radius) 0 0 var(--radius);
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition);
}
.sidebar-widget input[type="text"]:focus { border-color: var(--brand-accent); }
.sidebar-widget button {
  padding: 9px 14px;
  background: var(--brand-primary);
  color: white;
  border: 1px solid var(--brand-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  cursor: pointer;
  font-size: 13px;
  transition: background var(--transition);
}
.sidebar-widget button:hover { background: var(--brand-accent); border-color: var(--brand-accent); }

/* 侧边栏列表 */
.sidebar-widget ul { list-style: none; }
.sidebar-widget ul li {
  padding: 7px 0;
  border-bottom: 1px solid #f1f5f9;
  font-size: 14px;
}
.sidebar-widget ul li:last-child { border-bottom: none; }
.sidebar-widget ul li a {
  color: var(--text-main);
  text-decoration: none;
  display: block;
  padding-left: 12px;
  position: relative;
  transition: color var(--transition), padding var(--transition);
}
.sidebar-widget ul li a::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--brand-accent);
  font-weight: bold;
}
.sidebar-widget ul li a:hover {
  color: var(--brand-accent);
  padding-left: 4px;
}

/* 响应式 */
@media (max-width: 900px) {
  .news-layout { grid-template-columns: 1fr; }
  .news-sidebar { position: static; }
  .news-card { flex-direction: column; }
  .news-thumb { width: 100%; height: 200px; }
}

@media (max-width: 576px) {
  .news-list-section { padding: 50px 0; }
  .news-card { padding: 16px; }
}