/* ============================================
   鲁旺知识产权 · 品牌旺IP打造系统
   世界级知识产权和品牌建设领军企业
   Design: 深蓝+金色 · 简洁国际化 · 移动优先
   ============================================ */

/* --- Design Tokens --- */
:root {
  --deep: #0a1628;
  --navy: #0f2640;
  --blue: #1a3a5c;
  --blue-mid: #2a5a8c;
  --blue-light: #e8f2fc;
  --blue-pale: #f4f8fc;
  --gold: #f0c040;
  --gold-dark: #c88a2e;
  --gold-light: #fdf3e4;
  --gold-glow: rgba(240, 192, 64, 0.15);
  --white: #ffffff;
  --gray-50: #f8f9fb;
  --gray-100: #f1f3f6;
  --gray-200: #e2e5ea;
  --gray-300: #cdd1d8;
  --gray-400: #9aa0ab;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow: 0 4px 16px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

/* --- Utility --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-tight { padding: 80px 0; }

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section-tight { padding: 48px 0; }
}

/* --- Section Header --- */
.sec-header { text-align: center; margin-bottom: 56px; }
.sec-header .tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold-dark);
  background: var(--gold-light);
  padding: 6px 18px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.sec-header h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--deep);
  letter-spacing: -0.5px;
  line-height: 1.3;
}
.sec-header h2 .accent { color: var(--gold-dark); }
.sec-header .sub {
  font-size: 16px;
  color: var(--gray-500);
  margin-top: 12px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.sec-header .divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--gold-dark));
  margin: 20px auto 0;
  border-radius: 2px;
}

@media (max-width: 768px) {
  .sec-header { margin-bottom: 40px; }
  .sec-header h2 { font-size: 26px; }
  .sec-header .sub { font-size: 14px; }
}

/* ============================================
   TOP BAR — 官方身份条
   ============================================ */
.gov-bar {
  background: var(--deep);
  color: rgba(255,255,255,0.55);
  font-size: 12px;
  padding: 8px 0;
  text-align: center;
  letter-spacing: 0.5px;
}
.gov-bar .sep { color: rgba(255,255,255,0.2); margin: 0 12px; }

@media (max-width: 768px) {
  .gov-bar { font-size: 10px; padding: 6px 0; }
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: var(--shadow); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--deep);
  letter-spacing: -0.5px;
}
.nav-brand img { height: 42px; width: auto; border-radius: 8px; transition: all var(--transition); }
.nav-brand:hover img { transform: scale(1.08); box-shadow: 0 0 20px var(--gold-glow); }
.nav-brand .accent { color: var(--gold-dark); font-weight: 600; font-size: 15px; margin-left: 2px; }

.nav-links { display: flex; gap: 4px; }
.nav-links a {
  display: block;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--blue);
  background: var(--blue-pale);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 1px;
  transition: all var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 768px) {
  .nav-inner { height: 56px; }
  .nav-brand { font-size: 17px; }
  .nav-brand img { height: 28px; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 56px;
    left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    flex-direction: column;
    padding: 12px 24px;
    box-shadow: var(--shadow-md);
  }
  .nav-links.show { display: flex; }
  .nav-links a { padding: 14px 16px; border-radius: var(--radius); }
}

/* ============================================
   HERO SECTION — 首屏
   ============================================ */
.hero {
  position: relative;
  background: linear-gradient(170deg, #0a1628 0%, #0f2640 35%, #1a3a5c 70%, #0f2640 100%);
  padding: 120px 0 100px;
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 20%, rgba(240, 192, 64, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 50% 60% at 80% 80%, rgba(26, 58, 92, 0.4) 0%, transparent 50%),
    radial-gradient(ellipse 40% 40% at 50% 50%, rgba(240, 192, 64, 0.04) 0%, transparent 70%);
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(240, 192, 64, 0.3), transparent);
}
.hero-inner { position: relative; z-index: 2; max-width: 800px; margin: 0 auto; padding: 0 24px; }

.hero-badge {
  display: inline-block;
  background: rgba(240, 192, 64, 0.1);
  border: 1px solid rgba(240, 192, 64, 0.25);
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  padding: 8px 24px;
  border-radius: 24px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: 56px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -2px;
  line-height: 1.2;
  margin-bottom: 20px;
}
.hero h1 .gold { color: var(--gold); }

.hero-subtitle {
  font-size: 18px;
  color: rgba(255,255,255,0.65);
  line-height: 1.9;
  margin-bottom: 40px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.btn-gold {
  background: linear-gradient(135deg, #f0c040 0%, #d4a020 100%);
  color: var(--deep);
  padding: 16px 40px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 16px;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 24px rgba(240, 192, 64, 0.3);
  letter-spacing: 0.5px;
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(240, 192, 64, 0.4);
  color: var(--deep);
}

.btn-outline {
  border: 1.5px solid rgba(255,255,255,0.3);
  color: var(--white);
  padding: 16px 40px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 16px;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.5px;
}
.btn-outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.5);
  color: var(--white);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat .num {
  font-size: 36px;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 6px;
}
.hero-stat .num .unit { font-size: 18px; font-weight: 600; }
.hero-stat .label {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  letter-spacing: 1px;
}
.hero-stat .guarantee {
  display: inline-block;
  margin-top: 4px;
  font-size: 11px;
  color: var(--gold);
  border: 1px solid rgba(240, 192, 64, 0.3);
  padding: 2px 10px;
  border-radius: 10px;
  letter-spacing: 1px;
}

@media (max-width: 768px) {
  .hero { padding: 80px 0 64px; }
  .hero h1 { font-size: 32px; letter-spacing: -1px; }
  .hero-subtitle { font-size: 15px; }
  .hero-actions { gap: 12px; margin-bottom: 40px; }
  .btn-gold, .btn-outline { padding: 14px 28px; font-size: 14px; }
  .hero-stats { gap: 28px; }
  .hero-stat .num { font-size: 28px; }
  .hero-stat .num .unit { font-size: 14px; }
}

/* ============================================
   SECTION: 四象限 — 确权·用权·维权·调解
   ============================================ */
#services { background: var(--white); }

.quad-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.quad-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.quad-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  transition: height var(--transition);
}
.quad-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.quad-card:hover::before { height: 6px; }

.quad-card .q-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  transition: transform var(--transition);
}
.quad-card:hover .q-icon { transform: scale(1.1); }

.quad-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--deep);
  margin-bottom: 4px;
}
.quad-card .q-en {
  font-size: 11px;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 16px;
  font-weight: 600;
}
.quad-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: 18px;
}
.quad-card .q-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}
.quad-card .q-tags span {
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 12px;
  background: var(--gray-100);
  color: var(--gray-600);
  font-weight: 500;
}

/* Card color variants */
.card-queren::before { background: linear-gradient(90deg, #1a6fb5, #2a8fd4); }
.card-queren .q-icon { background: #e8f4fd; }
.card-yongquan::before { background: linear-gradient(90deg, #059669, #10b981); }
.card-yongquan .q-icon { background: #ecfdf5; }
.card-weiquan::before { background: linear-gradient(90deg, #c0392b, #e74c3c); }
.card-weiquan .q-icon { background: #fef2f2; }
.card-tiaojie::before { background: linear-gradient(90deg, #7c3aed, #8b5cf6); }
.card-tiaojie .q-icon { background: #f5f3ff; }

@media (max-width: 1024px) {
  .quad-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .quad-grid { grid-template-columns: 1fr; }
  .quad-card { padding: 32px 24px; }
}

/* ============================================
   SECTION: 调解中心 — 上海商联调解中心
   ============================================ */
#mediation {
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.mediation-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  align-items: center;
}

.mediation-visual {
  position: relative;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--blue-pale), #e8e0f4);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px;
}
.mediation-visual .shield {
  width: 80px;
  height: 96px;
  background: linear-gradient(135deg, var(--blue), var(--blue-mid));
  clip-path: polygon(50% 0%, 100% 25%, 100% 60%, 50% 100%, 0% 60%, 0% 25%);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
}
.mediation-visual h4 {
  font-size: 20px;
  color: var(--deep);
  font-weight: 700;
}
.mediation-visual p {
  font-size: 14px;
  color: var(--gray-500);
  margin-top: 8px;
}

.mediation-text h3 {
  font-size: 28px;
  color: var(--deep);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.mediation-text h3 .accent { color: #7c3aed; }
.mediation-text p {
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.9;
  margin-bottom: 24px;
}
.mediation-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.mediation-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.mediation-feature .mf-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: #f5f3ff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.mediation-feature div strong {
  display: block;
  font-size: 14px;
  color: var(--gray-700);
  font-weight: 600;
}
.mediation-feature div span {
  font-size: 12px;
  color: var(--gray-400);
}

@media (max-width: 768px) {
  .mediation-grid { grid-template-columns: 1fr; gap: 32px; }
  .mediation-text h3 { font-size: 22px; }
  .mediation-features { grid-template-columns: 1fr; }
}

/* ============================================
   SECTION: 品牌旺IP — 县域赋能
   ============================================ */
#brandwang {
  background: linear-gradient(170deg, var(--deep) 0%, #0a1e38 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
#brandwang::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 90% 10%, rgba(240, 192, 64, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 10% 90%, rgba(42, 90, 140, 0.3) 0%, transparent 40%);
}
#brandwang .sec-header h2 { color: var(--white); }
#brandwang .sec-header .sub { color: rgba(255,255,255,0.55); }

.bw-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
  align-items: center;
}

.bw-text h3 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -1px;
}
.bw-text h3 .gold { color: var(--gold); }
.bw-text .bw-lead {
  font-size: 16px;
  color: rgba(255,255,255,0.65);
  line-height: 1.9;
  margin-bottom: 28px;
}

.bw-points { display: flex; flex-direction: column; gap: 16px; }
.bw-point {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
  transition: all var(--transition);
}
.bw-point:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.12);
}
.bw-point .bp-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(240, 192, 64, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.bw-point h5 { font-size: 15px; font-weight: 700; color: var(--white); margin-bottom: 2px; }
.bw-point p { font-size: 13px; color: rgba(255,255,255,0.45); line-height: 1.6; }

.bw-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.bw-stat-box {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
}
.bw-stat-box:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-4px);
}
.bw-stat-box .big { font-size: 32px; font-weight: 800; color: var(--gold); margin-bottom: 6px; }
.bw-stat-box .desc { font-size: 13px; color: rgba(255,255,255,0.5); }

@media (max-width: 768px) {
  .bw-grid { grid-template-columns: 1fr; gap: 32px; }
  .bw-text h3 { font-size: 24px; }
  .bw-visual { grid-template-columns: 1fr 1fr; }
}

/* ============================================
   SECTION: 企旺智能体 — 298功能·AI驱动
   ============================================ */
#agent { background: var(--white); }

.agent-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  align-items: center;
}

.agent-visual {
  background: linear-gradient(135deg, var(--deep), var(--blue));
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.agent-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(240, 192, 64, 0.1) 0%, transparent 50%);
}
.agent-visual .av-badge {
  display: inline-block;
  background: rgba(240, 192, 64, 0.15);
  border: 1px solid rgba(240, 192, 64, 0.3);
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 6px 18px;
  border-radius: 20px;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}
.agent-visual .av-num {
  font-size: 64px;
  font-weight: 900;
  color: var(--gold);
  letter-spacing: -2px;
  line-height: 1;
  position: relative;
  z-index: 1;
}
.agent-visual .av-num sub {
  font-size: 24px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
}
.agent-visual .av-label {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  margin-top: 12px;
  position: relative;
  z-index: 1;
}

.agent-text h3 {
  font-size: 28px;
  font-weight: 800;
  color: var(--deep);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.agent-text h3 .accent { color: var(--gold-dark); }
.agent-text p {
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.9;
  margin-bottom: 24px;
}

.agent-capsules {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.agent-capsules span {
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 16px;
  background: var(--blue-pale);
  color: var(--blue);
  font-weight: 600;
  letter-spacing: 0.5px;
}

@media (max-width: 768px) {
  .agent-grid { grid-template-columns: 1fr; gap: 32px; }
  .agent-text h3 { font-size: 22px; }
  .agent-visual .av-num { font-size: 48px; }
}

/* ============================================
   SECTION: 联营合作 — 一城一中心·百城千店
   ============================================ */
#alliance {
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.alliance-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  align-items: center;
}

.alliance-text h3 {
  font-size: 28px;
  font-weight: 800;
  color: var(--deep);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.alliance-text h3 .accent { color: var(--gold-dark); }
.alliance-text p {
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.9;
  margin-bottom: 24px;
}

.alliance-points { display: flex; flex-direction: column; gap: 14px; margin-bottom: 24px; }
.alliance-point {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--gray-700);
  font-weight: 500;
}
.alliance-point .ap-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold-dark);
  flex-shrink: 0;
}

.alliance-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.alliance-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.alliance-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.alliance-card .ac-icon {
  font-size: 36px;
  margin-bottom: 12px;
}
.alliance-card h5 { font-size: 16px; color: var(--deep); font-weight: 700; margin-bottom: 4px; }
.alliance-card p { font-size: 13px; color: var(--gray-500); }

@media (max-width: 768px) {
  .alliance-grid { grid-template-columns: 1fr; gap: 32px; }
  .alliance-text h3 { font-size: 22px; }
}

/* ============================================
   SECTION: 信任背书 — Trust
   ============================================ */
#trust {
  background: var(--white);
  padding: 60px 0;
}
.trust-strip {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--gray-600);
  font-weight: 500;
}
.trust-item .ti-icon {
  font-size: 20px;
  color: var(--gold-dark);
}
.trust-divider {
  width: 1px;
  height: 24px;
  background: var(--gray-200);
}

@media (max-width: 768px) {
  .trust-strip { gap: 24px; flex-direction: column; }
  .trust-divider { display: none; }
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--deep), var(--blue));
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(240, 192, 64, 0.08) 0%, transparent 60%);
}
.cta-section .container { position: relative; z-index: 1; }

.cta-section h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: -1px;
}
.cta-section p {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 32px;
}

.cta-tel {
  display: inline-block;
  font-size: 42px;
  font-weight: 900;
  color: var(--gold);
  letter-spacing: 2px;
  font-family: "SF Mono", "Menlo", "Consolas", monospace;
  margin-bottom: 8px;
}
.cta-tel-label {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 2px;
  text-transform: uppercase;
}

@media (max-width: 768px) {
  .cta-section h2 { font-size: 26px; }
  .cta-tel { font-size: 30px; letter-spacing: 1px; }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--deep);
  color: rgba(255,255,255,0.5);
  padding: 60px 0 40px;
  font-size: 13px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.footer-col h5 {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.footer-col p { line-height: 1.8; margin-bottom: 8px; }
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.45);
  padding: 4px 0;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--gold); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 40px;
  padding-top: 24px;
  text-align: center;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   MOBILE NAV OVERLAY
   ============================================ */
@media (max-width: 768px) {
  body.nav-open { overflow: hidden; }
}

/* ===== 粒子画布 ===== */
#particles{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0}

/* ===== 光晕跟随 ===== */
.hero{position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:var(--my,50%);left:var(--mx,50%);width:600px;height:600px;background:radial-gradient(circle,rgba(240,192,64,.06),transparent 70%);transform:translate(-50%,-50%);pointer-events:none;z-index:0;transition:opacity .3s}

/* ===== 玻璃态卡片 ===== */
.glass{background:rgba(255,255,255,.8);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.3)}

/* ===== 金色辉光动效 ===== */
@keyframes glowPulse{0%,100%{box-shadow:0 0 20px rgba(240,192,64,.1)}50%{box-shadow:0 0 40px rgba(240,192,64,.25)}}
.glow-pulse{animation:glowPulse 3s ease-in-out infinite}

/* ===== 浮动动画 ===== */
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.float{animation:float 4s ease-in-out infinite}

/* ===== 渐变文字动效 ===== */
@keyframes shimmer{0%{background-position:-200% center}100%{background-position:200% center}}
.shimmer{background:linear-gradient(90deg,#f0c040,#fff,#f0c040);background-size:200% auto;-webkit-background-clip:text;-webkit-text-fill-color:transparent;animation:shimmer 3s linear infinite}

/* ===== 滚动渐显 ===== */
.fade-up{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}

/* ===== 卡片悬停3D ===== */
.card-3d{transition:transform .3s ease,box-shadow .3s ease}
.card-3d:hover{transform:translateY(-6px) scale(1.02);box-shadow:0 20px 60px rgba(0,0,0,.12)}

/* ===== 世界级渐变背景 ===== */
.gradient-world{background:linear-gradient(135deg,#0a1628 0%,#1a3a5c 30%,#0f2640 60%,#0a1628 100%);background-size:400% 400%;animation:gradientShift 15s ease infinite}
@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}

/* ===== 金色边框动效 ===== */
@keyframes borderGlow{0%,100%{border-color:rgba(240,192,64,.2)}50%{border-color:rgba(240,192,64,.6)}}
.border-glow{animation:borderGlow 2s ease-in-out infinite}

/* ===== 统计数据增强 ===== */
.hero-stat{transition:transform .3s}
.hero-stat:hover{transform:scale(1.08)}
.hero-stat .num{background:linear-gradient(135deg,#f0c040,#fff);-webkit-background-clip:text;-webkit-text-fill-color:transparent}

/* ===== 手机端优化 ===== */
@media(max-width:768px){
  .hero{padding:60px 16px 40px}
  .hero h1{font-size:26px;line-height:1.3}
  .hero-subtitle{font-size:14px;line-height:1.8}
  .hero-badge{font-size:11px;padding:4px 14px}
  .hero-stats{gap:12px;flex-wrap:wrap}
  .hero-stat{min-width:70px}
  .hero-stat .num{font-size:24px}
  .hero-stat .label{font-size:10px}
  .hero-actions{flex-direction:column;gap:10px}
  .hero-actions a{width:100%;text-align:center;padding:14px 20px;font-size:15px}
  .btn-gold,.btn-outline{display:block;width:100%;text-align:center}
  
  .trust-strip{flex-wrap:wrap;gap:8px;padding:12px}
  .trust-item{font-size:11px}
  
  section[style*="OUR VISION"]{padding:32px 16px}
  section[style*="OUR VISION"] p{font-size:18px}
  
  .nav-links{font-size:14px}
  
  /* 平台卡片手机优化 */
  #platform .section-header h2{font-size:20px}
}