/* ================================================================
   鸿煌科技 · 官方网站样式系统 v3.7
   专业白色科技主题（白色导航 · 浅灰底 · 深色页脚 · 深色Hero）
   ================================================================ */

/* ── CSS Variables ── */
:root {
  --bg-base:      #f0f5fb;
  --bg-card:      #ffffff;
  --bg-card-2:    #e8f2fc;
  --bg-nav:       rgba(255,255,255,0.96);
  --primary:      #0066cc;
  --primary-dim:  rgba(0,102,204,0.08);
  --primary-glow: rgba(0,102,204,0.2);
  --accent:       #0099dd;
  --accent-dim:   rgba(0,153,221,0.1);
  --text-base:    #1e293b;
  --text-muted:   #64748b;
  --border:       rgba(0,102,204,0.2);
  --border-card:  rgba(0,0,0,0.08);
  --shadow-card:  0 2px 16px rgba(0,0,0,0.07);
  --shadow-glow:  0 8px 32px rgba(0,102,204,0.15);
  --radius:       14px;
  --nav-h:        70px;
}

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

html { scroll-behavior: smooth; background-color: #f0f5fb; }

body {
  background-color: #f0f5fb;
  background-color: var(--bg-base);
  color: #1e293b;
  color: var(--text-base);
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; }
img { max-width: 100%; }

.text-primary { color: var(--primary)    !important; }
.text-accent  { color: var(--accent)     !important; }
.text-muted   { color: var(--text-muted) !important; }

/* 覆盖 Bootstrap text-white（浅色主题下改为深色文字） */
.text-white { color: var(--text-base) !important; }
/* 深色区域保留白色文字 */
.site-footer .text-white,
.hero .text-white { color: #ffffff !important; }

/* ── Top Alert Bar（浅蓝预警条） ── */
.top-alert-bar {
  background: linear-gradient(90deg, #eef4ff, #f0f7ff);
  border-bottom: 1px solid rgba(26,111,212,0.15);
  padding: 0.4rem 1rem;
  font-size: 0.82rem;
  color: #1a6fd4;
  gap: 0.5rem;
  position: relative;
  z-index: 1100;
}
.top-alert-bar .text-accent { color: #0aabdd !important; }
.top-alert-bar a { color: #1a6fd4 !important; font-weight: 600; }

/* ── 滚动进度条 ── */
#scrollProgress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--primary), #0aabdd, #00e5a0);
  z-index: 2000;
  transition: width 0.08s linear;
  border-radius: 0 2px 2px 0;
}

/* ── Navbar 入场动画 ── */
@keyframes navSlideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to   { transform: translateY(0);     opacity: 1; }
}

/* ── Navbar（白色导航栏） ── */
#mainNav {
  background: rgba(255,255,255,0.0);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  box-shadow: none;
  height: var(--nav-h);
  transition: height 0.4s ease,
              box-shadow 0.4s ease,
              background 0.4s ease,
              backdrop-filter 0.4s ease,
              border-color 0.4s ease;
  z-index: 1050;
  top: 0;
  animation: navSlideDown 0.5s ease forwards;
}
#mainNav.has-alert { top: 36px; }
/* 滚动后：毛玻璃加深、适度收缩、阴影出现 */
#mainNav.scrolled {
  height: 60px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  box-shadow: 0 4px 32px rgba(0,0,0,0.09);
  border-bottom-color: rgba(26,111,212,0.12);
}
/* 顶部时：轻量透明 */
#mainNav:not(.scrolled) {
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 12px rgba(0,0,0,0.04);
  border-bottom-color: rgba(26,111,212,0.08);
}

/* Brand */
.brand-icon-wrap {
  width: 46px; height: 46px;
  background: linear-gradient(135deg, var(--primary), #0e4fa8);
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 1.1rem;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(26,111,212,0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.brand-icon-wrap:hover {
  transform: scale(1.06);
  box-shadow: 0 6px 20px rgba(26,111,212,0.5);
}
.brand-icon-sm { width: 32px; height: 32px; font-size: 0.85rem; border-radius: 8px; }

.brand-cn { font-size: 1rem; font-weight: 700; color: #1e293b; line-height: 1.2; }
.brand-en { font-size: 0.6rem; color: #94a3b8; letter-spacing: 0.06em; line-height: 1; }

/* Nav links */
.navbar-nav .nav-link {
  color: #64748b !important;
  font-size: 0.9rem;
  padding: 0.45rem 0.8rem !important;
  border-radius: 6px;
  transition: all 0.22s;
  white-space: nowrap;
  position: relative;
}
.navbar-nav .nav-link:hover {
  color: var(--primary) !important;
  background: var(--primary-dim);
  transform: translateY(-1px);
}
.navbar-nav .nav-link.nav-active {
  color: var(--primary) !important;
  font-weight: 600;
  background: var(--primary-dim);
}
.navbar-nav .nav-link.nav-active::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 50%; transform: translateX(-50%);
  width: 20px; height: 2px;
  background: linear-gradient(90deg, var(--primary), #0aabdd);
  border-radius: 2px;
}

/* Nav item 入场动画 */
@keyframes navItemFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.navbar-nav .nav-item {
  animation: navItemFadeIn 0.4s ease both;
}
.navbar-nav .nav-item:nth-child(1) { animation-delay: 0.08s; }
.navbar-nav .nav-item:nth-child(2) { animation-delay: 0.14s; }
.navbar-nav .nav-item:nth-child(3) { animation-delay: 0.20s; }
.navbar-nav .nav-item:nth-child(4) { animation-delay: 0.26s; }
.navbar-nav .nav-item:nth-child(5) { animation-delay: 0.32s; }
.navbar-nav .nav-item:nth-child(6) { animation-delay: 0.38s; }

/* Nav right section divider */
.nav-phone {
  text-decoration: none;
  padding-left: 1.25rem;
  border-left: 1px solid rgba(0,0,0,0.1);
}
.nav-phone span { color: #1e293b; font-size: 0.95rem; letter-spacing: 0.02em; }

/* Dropdown（白色下拉） */
.nav-dropdown {
  background: #fff !important;
  border: 1px solid rgba(0,0,0,0.08) !important;
  border-radius: 14px !important;
  padding: 0.5rem !important;
  min-width: 200px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.12) !important;
}
.nav-dropdown .dropdown-item {
  color: #64748b !important;
  border-radius: 8px;
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem !important;
  transition: all 0.2s;
  display: flex;
  align-items: center;
}
.nav-dropdown .dropdown-item i {
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}
.nav-dropdown .dropdown-item:hover { color: var(--primary) !important; background: var(--primary-dim) !important; }

/* CTA Button */
.btn-cta {
  background: linear-gradient(135deg, var(--primary), #1357aa);
  color: white !important;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.5rem 1.25rem;
  transition: all 0.25s;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(26,111,212,0.3);
}
.btn-cta:hover {
  background: linear-gradient(135deg, #2278e0, #1560c0);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(26,111,212,0.45);
  color: white !important;
}

.nav-phone { color: #1e293b; font-size: 0.9rem; transition: color 0.2s; font-weight: 600; }
.nav-phone:hover { color: var(--primary) !important; }

/* ── Flash Messages ── */
.flash-zone {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  z-index: 1040;
}
.flash-zone .alert { font-size: 0.875rem; background: #fff; color: var(--text-base); }

/* ── Page Offset ── */
.page-top { padding-top: var(--nav-h); }

/* ── Section Spacing ── */
.section    { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }

/* ── Section Header ── */
.section-label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 600;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--text-base);
  line-height: 1.3;
}
.section-desc { color: var(--text-muted); max-width: 560px; }

/* ── Card ── */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}
.glass-card:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

/* ── Buttons ── */
.btn-primary-cg {
  background: linear-gradient(135deg, var(--primary), #004fa3);
  color: white !important;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  padding: 0.65rem 1.5rem;
  transition: all 0.25s;
  box-shadow: 0 4px 16px var(--primary-glow);
}
.btn-primary-cg:hover { transform: translateY(-2px); box-shadow: 0 8px 28px var(--primary-glow); }

.btn-outline-cg {
  color: var(--primary) !important;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-weight: 600;
  padding: 0.65rem 1.5rem;
  background: transparent;
  transition: all 0.25s;
}
.btn-outline-cg:hover { background: var(--primary-dim); border-color: var(--primary); }

/* ── Hero（白色科技风） ── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-h);
  background: linear-gradient(155deg, #eef4ff 0%, #e0ecff 30%, #f0f7ff 65%, #f5f8ff 100%);
}

/* Hero 装饰背景圆 */
.hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(26,111,212,0.1) 0%, transparent 65%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -80px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(10,171,221,0.07) 0%, transparent 65%);
  pointer-events: none;
}

#particleCanvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
  opacity: 0.5;
}

.hero-content { position: relative; z-index: 1; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(26,111,212,0.08);
  border: 1px solid rgba(26,111,212,0.2);
  border-radius: 20px;
  padding: 0.35rem 1rem;
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.15;
  color: #0f1e35 !important;
  letter-spacing: -0.02em;
}

.hero-subtitle-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.hero-tag {
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  background: rgba(26,111,212,0.06);
  border: 1px solid rgba(26,111,212,0.15);
  font-size: 0.8rem;
  color: #64748b;
}

.hero-cta-row { display: flex; gap: 1rem; flex-wrap: wrap; }

.text-grad {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.typed-cursor { animation: blink 1s infinite; color: var(--primary); }
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:0; } }

.hero-visual {
  display: flex; align-items: center; justify-content: center;
  position: relative;
  height: 400px;
}
.hero-shield-core {
  font-size: 9rem;
  color: var(--primary);
  opacity: 0.12;
  filter: drop-shadow(0 0 40px rgba(26,111,212,0.3));
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-16px); }
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(26,111,212,0.1);
  animation: orb-spin linear infinite;
}
.hero-orb-1 { width: 200px; height: 200px; animation-duration: 20s; }
.hero-orb-2 { width: 320px; height: 320px; animation-duration: 30s; animation-direction: reverse; }
.hero-orb-3 { width: 440px; height: 440px; animation-duration: 40s; }
@keyframes orb-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* Hero 内部颜色覆盖 */
.hero .text-muted   { color: #64748b !important; }
.hero .text-primary { color: var(--primary) !important; }
.hero .section-title { color: #0f1e35 !important; }

/* ── Stats Row ── */
.stats-row {
  background: var(--bg-card-2);
  border-top: 1px solid var(--border-card);
  border-bottom: 1px solid var(--border-card);
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}
.stat-block { padding: 2rem 1rem; text-align: center; border-right: 1px solid var(--border-card); }
.stat-block:last-child { border-right: none; }
.stat-num   { font-size: 2.6rem; font-weight: 900; color: var(--primary); line-height: 1; }
.stat-suf   { color: var(--accent); }
.stat-label { color: var(--text-muted); font-size: 0.85rem; margin-top: 0.25rem; }

/* ── Advantage Icons ── */
.adv-item { display: flex; align-items: flex-start; gap: 1rem; padding: 1.5rem; }
.adv-icon {
  width: 52px; height: 52px; flex-shrink: 0;
  background: var(--primary-dim);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: var(--primary);
}

/* ── Service Cards ── */
.svc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 1.75rem;
  height: 100%;
  display: flex; flex-direction: column;
  transition: all 0.3s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.svc-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s;
}
.svc-card:hover { border-color: var(--border); transform: translateY(-5px); box-shadow: var(--shadow-glow); }
.svc-card:hover::before { opacity: 1; }

.svc-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}
.svc-title  { font-weight: 700; color: var(--text-base); font-size: 1rem; margin-bottom: 0.4rem; }
.svc-desc   { color: var(--text-muted); font-size: 0.85rem; flex: 1; }
.svc-tags   { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 1rem; }
.svc-tag {
  font-size: 0.7rem; padding: 0.15rem 0.5rem;
  border-radius: 20px;
  background: var(--primary-dim);
  color: var(--primary);
  border: 1px solid rgba(0,102,204,0.15);
}
.svc-arrow {
  position: absolute;
  bottom: 1.25rem; right: 1.25rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  transition: all 0.25s;
}
.svc-card:hover .svc-arrow { color: var(--primary); transform: translateX(4px); }

/* ── Case Cards ── */
.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 2rem;
  height: 100%;
  transition: all 0.3s;
  box-shadow: var(--shadow-card);
}
.case-card:hover { border-color: var(--border); box-shadow: var(--shadow-glow); transform: translateY(-4px); }

.case-industry-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--accent-dim);
  border: 1px solid rgba(0,153,221,0.2);
  color: var(--accent);
  border-radius: 20px;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ── Blog Cards ── */
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  overflow: hidden;
  height: 100%;
  transition: all 0.3s;
  box-shadow: var(--shadow-card);
}
.blog-card:hover { border-color: var(--border); box-shadow: var(--shadow-glow); transform: translateY(-4px); }

.blog-card-head {
  background: var(--bg-card-2);
  padding: 2rem;
  border-bottom: 1px solid var(--border-card);
}
.blog-card-body { padding: 1.5rem; }

.cat-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.cat-badge.danger    { background: rgba(220,53,69,0.1);   color: #c0392b; }
.cat-badge.primary   { background: var(--primary-dim);    color: var(--primary); }
.cat-badge.accent    { background: var(--accent-dim);     color: #007ab8; }
.cat-badge.warning   { background: rgba(230,160,0,0.1);   color: #b07800; }
.cat-badge.secondary { background: rgba(0,0,0,0.05);      color: var(--text-muted); }

/* ── Process Steps ── */
.process-step-card { text-align: center; position: relative; }
.process-step-num {
  font-size: 3rem;
  font-weight: 900;
  color: rgba(0,102,204,0.1);
  line-height: 1;
}
.process-step-icon {
  width: 60px; height: 60px;
  background: var(--primary-dim);
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: var(--primary);
  margin: 0 auto 1rem;
}
.process-step-title { font-weight: 700; color: var(--text-base); margin-bottom: 0.4rem; }
.process-step-desc  { color: var(--text-muted); font-size: 0.84rem; }

/* ── CTA Bar ── */
.cta-bar {
  background: linear-gradient(135deg, rgba(0,102,204,0.05), rgba(0,153,221,0.03));
  border-top: 1px solid rgba(0,102,204,0.12);
  border-bottom: 1px solid rgba(0,102,204,0.12);
}
.cta-input {
  background: #ffffff !important;
  border: 1px solid rgba(0,0,0,0.12) !important;
  color: var(--text-base) !important;
  border-radius: 8px !important;
}
.cta-input:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px var(--primary-dim) !important;
  background: #ffffff !important;
}

/* ── Footer（浅色，与整体一致） ── */
.site-footer {
  background: #f0f5fb;
  border-top: 1px solid rgba(0,0,0,0.08);
}
.footer-heading {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 1rem;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a      { color: #64748b; font-size: 0.875rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--primary); }
.footer-social        { color: #64748b; font-size: 0.875rem; display: flex; align-items: center; transition: color 0.2s; }
.footer-social:hover  { color: var(--primary); }
.footer-divider       { border-color: rgba(0,0,0,0.08); }
.footer-policy-link   { color: #94a3b8; font-size: 0.8rem; transition: color 0.2s; }
.footer-policy-link:hover { color: var(--primary); }
.wechat-qr-placeholder {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem;
  background: #fff;
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,0.1);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.site-footer .text-muted { color: #64748b !important; }
.site-footer .text-white { color: #1e293b !important; }
.site-footer .brand-cn { color: #1e293b !important; }
.site-footer .brand-en { color: #94a3b8 !important; }

/* ── Floating Sidebar ── */
.float-sidebar {
  position: fixed;
  right: 1.25rem;
  bottom: 6rem;
  display: flex; flex-direction: column; gap: 0.5rem;
  z-index: 1000;
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.4s ease;
}
.float-sidebar.visible { opacity: 1; transform: translateX(0); }

.float-btn {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  position: relative;
  border: 1px solid rgba(0,0,0,0.1);
  text-decoration: none;
  transition: all 0.25s;
  color: var(--text-muted);
  background: #ffffff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}
.float-btn:hover { background: var(--primary); color: white; border-color: var(--primary); transform: scale(1.08); }
.float-btn:hover .float-label { opacity: 1; transform: translateX(0); pointer-events: auto; }

.float-label {
  position: absolute;
  right: 58px;
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 6px;
  padding: 0.3rem 0.75rem;
  font-size: 0.75rem;
  color: var(--text-base);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(8px);
  transition: all 0.2s;
  pointer-events: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.float-phone  { }
.float-wechat { }
.float-consult{ }
.float-top    { background: var(--primary) !important; color: white !important; border-color: var(--primary); }

/* WeChat Popup */
.wechat-popup {
  position: absolute;
  right: 58px;
  bottom: 0;
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 12px;
  padding: 1.25rem;
  width: 150px;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translateX(10px);
  transition: all 0.25s;
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
}
.float-wechat:hover .wechat-popup { opacity: 1; transform: translateX(0); pointer-events: auto; }

/* ── Page Header（内页横幅） ── */
.page-header {
  background: linear-gradient(135deg, #f0f5fb 0%, #e8f2fc 100%);
  border-bottom: 1px solid var(--border-card);
  padding: calc(var(--nav-h) + 3rem) 0 3rem;
}
.breadcrumb-item + .breadcrumb-item::before { color: var(--text-muted); }
.breadcrumb-item a       { color: var(--primary); }
.breadcrumb-item.active  { color: var(--text-muted); }

/* ── Divider line ── */
.line-accent {
  width: 48px; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  margin: 0.75rem 0 1.5rem;
}

/* ── Tag badges ── */
.tag-pill {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  background: var(--primary-dim);
  border: 1px solid rgba(0,102,204,0.15);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 600;
}

/* ── Form Controls ── */
.form-control, .form-select {
  background: #ffffff !important;
  border: 1px solid rgba(0,0,0,0.12) !important;
  color: var(--text-base) !important;
  border-radius: 8px;
}
.form-control:focus, .form-select:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px var(--primary-dim) !important;
  background: #ffffff !important;
}
.form-control::placeholder { color: var(--text-muted) !important; }
.form-label       { color: var(--text-muted); font-size: 0.875rem; margin-bottom: 0.4rem; }
.form-check-input { background-color: #fff; border-color: rgba(0,0,0,0.2); }
.form-check-input:checked { background-color: var(--primary); border-color: var(--primary); }
.form-check-label { color: var(--text-muted); font-size: 0.85rem; }

/* ── Team Avatar ── */
.team-avatar {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, var(--primary), #004fa3);
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700;
  color: white;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

/* ── Timeline ── */
.timeline { max-width: 720px; margin: 0 auto; position: relative; }
.timeline::before {
  content: '';
  position: absolute;
  left: 50%; transform: translateX(-50%);
  width: 1px; height: 100%;
  background: linear-gradient(to bottom, var(--primary), transparent);
  opacity: 0.3;
}
.timeline-row { display: flex; margin-bottom: 2rem; }
.timeline-row.left  { justify-content: flex-end; }
.timeline-row.right { justify-content: flex-start; }
.timeline-box {
  width: calc(50% - 2rem);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  position: relative;
  box-shadow: var(--shadow-card);
}
.timeline-row.left  .timeline-box { text-align: right; }
.timeline-row.right .timeline-box { text-align: left; }
.timeline-year { color: var(--primary); font-weight: 800; font-size: 1.1rem; }
.timeline-dot {
  width: 12px; height: 12px;
  background: var(--primary);
  border-radius: 50%;
  position: absolute;
  top: 1.25rem;
  box-shadow: 0 0 10px var(--primary-glow);
}
.timeline-row.left  .timeline-dot { right: -2.5rem; }
.timeline-row.right .timeline-dot { left:  -2.5rem; }

/* ── Qualification Cards ── */
.qual-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  height: 100%;
  transition: all 0.3s;
  box-shadow: var(--shadow-card);
}
.qual-card:hover { border-color: var(--border); transform: translateY(-4px); box-shadow: var(--shadow-glow); }

/* ── Process Timeline（full page） ── */
.process-timeline { max-width: 860px; margin: 0 auto; position: relative; padding-left: 3rem; }
.process-timeline::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), transparent);
  opacity: 0.3;
}
.process-timeline-item { position: relative; padding-bottom: 2.5rem; }
.process-timeline-dot {
  position: absolute;
  left: -2.5rem;
  top: 0.25rem;
  width: 36px; height: 36px;
  background: var(--primary-dim);
  border: 2px solid var(--primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  font-weight: 800;
  font-size: 0.8rem;
  box-shadow: 0 0 12px var(--primary-glow);
}
.process-timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  transition: border-color 0.3s;
  box-shadow: var(--shadow-card);
}
.process-timeline-item:hover .process-timeline-content { border-color: var(--border); }

/* ── Product Cards ── */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 2rem;
  height: 100%;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.product-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s;
}
.product-card:hover { border-color: var(--border); box-shadow: var(--shadow-glow); transform: translateY(-4px); }
.product-card:hover::after { opacity: 1; }

/* ── Industry Logo Wall ── */
.logo-wall { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
.logo-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  padding: 0.75rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex; align-items: center; gap: 0.5rem;
  transition: all 0.25s;
  box-shadow: var(--shadow-card);
}
.logo-item:hover { border-color: var(--border); color: var(--primary); }

/* ── Animations ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── Utility ── */
.z-1      { z-index: 1; }
.bg-card  { background: var(--bg-card)   !important; }
.bg-card-2{ background: var(--bg-card-2) !important; }
.border-x { border-color: var(--border-card) !important; }

/* ── Responsive ── */
@media (max-width: 1199px) {
  .nav-phone { display: none !important; }
}
@media (max-width: 991px) {
  .hero-title { font-size: 2rem; }
  .hero { min-height: auto; padding-top: calc(var(--nav-h) + 2rem); padding-bottom: 3rem; }
  .stat-block { border-right: none; border-bottom: 1px solid var(--border-card); }
  .stat-block:last-child { border-bottom: none; }
  .timeline::before { left: 20px; }
  .timeline-row { justify-content: flex-start !important; }
  .timeline-box { width: calc(100% - 3.5rem); text-align: left !important; margin-left: auto; }
  .timeline-row.left .timeline-dot, .timeline-row.right .timeline-dot { left: -2.5rem; right: auto; }
}
@media (max-width: 767px) {
  .section { padding: 3rem 0; }
  .float-sidebar { right: 0.75rem; }
  .cta-bar .d-flex.gap-2 { flex-direction: column; }
}

/* ================================================================
   v3.2 视觉升级补丁 — 卡片、配色、排版全面精致化
   ================================================================ */

/* ── 全局变量升级 ── */
:root {
  --primary:      #1a6fd4;
  --primary-dim:  rgba(26,111,212,0.08);
  --primary-glow: rgba(26,111,212,0.22);
  --accent:       #0aabdd;
  --accent-dim:   rgba(10,171,221,0.1);
  --shadow-card:  0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.06);
  --shadow-glow:  0 6px 30px rgba(26,111,212,0.18);
  --shadow-hover: 0 12px 40px rgba(26,111,212,0.2);
  --radius: 16px;
}

/* ── Section 标题区优化 ── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  background: var(--primary-dim);
  color: var(--primary);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  border: 1px solid rgba(26,111,212,0.15);
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 5px; height: 5px;
  background: var(--primary);
  border-radius: 50%;
}
.section-title {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  color: #0f1e35;
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.line-accent {
  width: 36px; height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 3px;
  margin: 0.6rem 0 1.4rem;
}

/* ── 服务卡片升级 ── */
.svc-card { border-radius: 18px; border: 1px solid rgba(0,0,0,0.06); padding: 2rem; box-shadow: var(--shadow-card); }
.svc-card:hover { border-color: rgba(26,111,212,0.25); box-shadow: var(--shadow-hover); transform: translateY(-6px); }
.svc-card::before { height: 4px; border-radius: 4px 4px 0 0; }
.svc-card:hover::before { opacity: 1; }
.svc-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-dim), rgba(10,171,221,0.06));
  border: 1px solid rgba(26,111,212,0.15);
  margin-bottom: 1.25rem;
}
.svc-title { font-size: 1.05rem; font-weight: 700; color: #0f1e35; letter-spacing: -0.01em; }
.svc-desc  { color: #64748b; font-size: 0.875rem; line-height: 1.65; }

/* ── 流程步骤卡片升级 ── */
.process-step-card {
  background: var(--bg-card);
  border-radius: 18px;
  padding: 2rem 1.5rem;
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: var(--shadow-card);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.process-step-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.process-step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(26,111,212,0.2); }
.process-step-card:hover::after { transform: scaleX(1); }
.process-step-num {
  font-size: 3.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, rgba(26,111,212,0.15), rgba(10,171,221,0.08));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.process-step-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary), #1559aa);
  border: none;
  border-radius: 14px;
  color: white;
  font-size: 1.3rem;
  box-shadow: 0 6px 20px rgba(26,111,212,0.3);
}
.process-step-title { font-size: 1rem; font-weight: 700; color: #0f1e35; margin-bottom: 0.5rem; letter-spacing: -0.01em; }
.process-step-desc  { color: #64748b; font-size: 0.84rem; line-height: 1.65; }

/* ── 统计行升级 ── */
.stats-row { box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
.stat-block { padding: 2.25rem 1.25rem; }
.stat-num {
  font-size: 2.8rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.stat-label { font-size: 0.875rem; color: #64748b; margin-top: 0.4rem; font-weight: 500; }

/* ── 优势图标升级 ── */
.adv-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary), #1559aa);
  border: none; color: white;
  border-radius: 14px;
  font-size: 1.3rem;
  box-shadow: 0 6px 20px rgba(26,111,212,0.28);
  flex-shrink: 0;
}
.adv-item { padding: 1.25rem; border-radius: 14px; transition: background 0.25s; }
.adv-item:hover { background: rgba(26,111,212,0.04); }

/* ── 案例卡片升级 ── */
.case-card { border-radius: 18px; border: 1px solid rgba(0,0,0,0.06); box-shadow: var(--shadow-card); position: relative; overflow: hidden; }
.case-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }

/* ── 博客卡片升级 ── */
.blog-card { border-radius: 18px; border: 1px solid rgba(0,0,0,0.06); }
.blog-card-head { background: linear-gradient(135deg, #f0f5fb, #e5effa); border-bottom: 1px solid rgba(26,111,212,0.1); }
.blog-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }

/* ── CTA 底部转化区升级 ── */
.cta-bar {
  background: linear-gradient(135deg, #f0f5fb 0%, #e8f2fc 50%, #f0f5fb 100%);
  border-top: 1px solid rgba(26,111,212,0.15);
  border-bottom: 1px solid rgba(26,111,212,0.15);
  position: relative; overflow: hidden;
}
.cta-bar::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(26,111,212,0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* ── 按钮升级 ── */
.btn-primary-cg {
  background: linear-gradient(135deg, var(--primary), #1357aa);
  border-radius: 10px; padding: 0.7rem 1.75rem;
  font-weight: 600; font-size: 0.92rem;
  box-shadow: 0 4px 18px rgba(26,111,212,0.35);
}
.btn-primary-cg:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(26,111,212,0.45); }
.btn-outline-cg {
  border-radius: 10px; padding: 0.7rem 1.75rem; font-size: 0.92rem;
  border: 1.5px solid rgba(26,111,212,0.3); color: var(--primary) !important;
}
.btn-outline-cg:hover { background: var(--primary-dim); border-color: var(--primary); }

/* ── 内页 Page Header 白色化 ── */
.page-header {
  background: linear-gradient(135deg, #eef4ff 0%, #e4effe 50%, #f0f7ff 100%);
  border-bottom: 1px solid rgba(26,111,212,0.12); position: relative; overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(26,111,212,0.07) 0%, transparent 65%);
}
.page-header .breadcrumb-item,
.page-header .breadcrumb-item.active { color: var(--text-muted) !important; }
.page-header .breadcrumb-item a     { color: var(--primary) !important; }
.page-header .section-title         { color: #0f1e35 !important; }
.page-header .section-desc          { color: var(--text-muted) !important; }
.page-header .section-label         { background: rgba(26,111,212,0.08); color: var(--primary); border-color: rgba(26,111,212,0.2); }
.page-header .section-label::before { background: var(--primary); }
.page-header .text-muted            { color: var(--text-muted) !important; }

/* ── 资质卡片升级 ── */
.qual-card { border-radius: 18px; border: 1px solid rgba(0,0,0,0.06); box-shadow: var(--shadow-card); position: relative; overflow: hidden; }
.qual-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.qual-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(26,111,212,0.2); }

/* Partner logo card */
.partner-logo-card { transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease; cursor: default; }
.partner-logo-card:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(26,111,212,0.12); border-color: rgba(26,111,212,0.2); }

/* ── 时间线升级 ── */
.timeline-box { border-radius: 16px; border: 1px solid rgba(0,0,0,0.06); box-shadow: var(--shadow-card); }
.timeline-year { font-size: 1.2rem; }

/* ── 合作伙伴滚动轮播 ── */
@keyframes partnerScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.partner-marquee-wrap {
  overflow: hidden;
  width: 100%;
  -webkit-mask: linear-gradient(90deg, transparent 0%, #fff 8%, #fff 92%, transparent 100%);
  mask: linear-gradient(90deg, transparent 0%, #fff 8%, #fff 92%, transparent 100%);
}
.partner-marquee-track {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  width: max-content;
  animation: partnerScroll 22s linear infinite;
}
.partner-marquee-track:hover { animation-play-state: paused; }
.partner-marquee-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  cursor: default;
}
.partner-logo-box {
  width: 120px; height: 64px;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  padding: 10px 16px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  transition: box-shadow 0.2s, transform 0.2s;
  position: relative;
  overflow: hidden;
}
.partner-logo-box:hover { box-shadow: 0 6px 20px rgba(26,111,212,0.12); transform: translateY(-2px); }
.partner-logo-box img { width: 100%; height: 100%; object-fit: contain; }
.partner-logo-fallback {
  display: none;
  position: absolute; inset: 0;
  align-items: center; justify-content: center;
  font-size: 1.4rem;
}
.partner-logo-name {
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* ── 流程时间线（内页）升级 ── */
.process-timeline-content { border-radius: 16px; border: 1px solid rgba(0,0,0,0.06); box-shadow: var(--shadow-card); }
.process-timeline-item:hover .process-timeline-content { border-color: rgba(26,111,212,0.25); box-shadow: var(--shadow-hover); }
.process-timeline-dot {
  background: linear-gradient(135deg, var(--primary), #1559aa);
  border: 2px solid white; color: white;
  box-shadow: 0 0 0 3px rgba(26,111,212,0.25), 0 4px 12px rgba(26,111,212,0.35);
}

/* ── 合作伙伴 Logo 升级 ── */
.logo-item { border-radius: 12px; padding: 0.9rem 1.75rem; font-weight: 600; font-size: 0.875rem; border: 1px solid rgba(0,0,0,0.06); box-shadow: var(--shadow-card); }
.logo-item:hover { color: var(--primary); border-color: rgba(26,111,212,0.25); box-shadow: var(--shadow-glow); transform: translateY(-2px); }

/* ── 浮动侧边栏升级 ── */
.float-btn { border-radius: 14px; width: 50px; height: 50px; box-shadow: 0 4px 16px rgba(0,0,0,0.12); }
.float-top { background: linear-gradient(135deg, var(--primary), #1559aa) !important; border: none !important; box-shadow: 0 4px 16px rgba(26,111,212,0.4) !important; }

/* ── 玻璃卡片升级 ── */
.glass-card { border-radius: 18px; border: 1px solid rgba(0,0,0,0.06); box-shadow: var(--shadow-card); }
.glass-card:hover { border-color: rgba(26,111,212,0.2); box-shadow: var(--shadow-hover); transform: translateY(-5px); }

/* ── 证书马奎滚动 ── */
@keyframes certScroll { 0%{transform:translateX(0)} 100%{transform:translateX(-33.333%)} }
.cert-marquee-wrap {
  overflow: hidden;
  -webkit-mask: linear-gradient(90deg, transparent 0%, #fff 6%, #fff 94%, transparent 100%);
  mask: linear-gradient(90deg, transparent 0%, #fff 6%, #fff 94%, transparent 100%);
}
.cert-marquee-track {
  display: flex;
  align-items: stretch;
  gap: 1.25rem;
  width: max-content;
  animation: certScroll 40s linear infinite;
}
.cert-marquee-track:hover { animation-play-state: paused; }
.cert-marquee-item {
  flex-shrink: 0;
  width: 160px;
  text-decoration: none;
  display: block;
}
.cert-marquee-card {
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,0.08);
  background: #fff;
  box-shadow: 0 3px 12px rgba(0,0,0,0.07);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.cert-marquee-item:hover .cert-marquee-card {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(26,111,212,0.15);
  border-color: rgba(26,111,212,0.2);
}
.cert-card-img img { width: 100%; height: 100%; object-fit: contain; padding: 6px; }
.cert-card-pdf {
  flex-direction: column;
  padding: 1rem;
  text-align: center;
}
.cert-pdf-name {
  font-size: .7rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: .4rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── 服务目录深色区 ── */
.svc-catalog-section {
  background: linear-gradient(135deg, #0f1e35 0%, #0b1527 60%, #060c1a 100%);
  padding: 5rem 0;
}
.svc-catalog-col {
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 16px;
  padding: 2rem;
  height: 100%;
  background: rgba(255,255,255,0.03);
  transition: border-color 0.2s, background 0.2s;
}
.svc-catalog-col:hover { border-color: rgba(0,180,255,0.2); background: rgba(0,180,255,0.04); }
.svc-catalog-heading {
  font-size: 1rem;
  font-weight: 700;
  color: #e2eaf5;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.svc-catalog-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .85rem;
}
.svc-catalog-list li { color: rgba(255,255,255,0.55); font-size: .875rem; transition: color 0.2s; cursor: default; }
.svc-catalog-list li:hover { color: rgba(255,255,255,0.9); }


/* ================================================================
   移动端响应式补丁
   ================================================================ */

/* Hero eyebrow: 小屏（≤480px）允许换行，避免溢出 */
@media (max-width: 480px) {
  .hero-eyebrow {
    white-space: normal;
    text-align: center;
    justify-content: center;
    font-size: 0.72rem;
    line-height: 1.5;
  }
  /* Hero CTA 按钮在超小屏堆叠 */
  .hero-cta-row { flex-direction: column; }
  .hero-cta-row .btn { width: 100%; text-align: center; }
}

/* 导航栏移动端展开时，右侧 CTA 区域与链接列表分隔 */
@media (max-width: 1199px) {
  #navMenu > .d-flex {
    padding: 0.75rem 0 0.25rem;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    margin-top: 0.5rem;
  }
}

/* WeChat 弹层：触摸点击激活（JS 添加 touch-active 类） */
.float-wechat.touch-active .wechat-popup {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

/* 减少动效：尊重系统省电 / 无障碍设置 */
@media (prefers-reduced-motion: reduce) {
  .partner-marquee-track,
  .cert-marquee-track { animation-play-state: paused; }
  .fade-up { transition: none; }
  .hero-shield-core { animation: none; }
  .hero-orb { animation: none; }
}