/* ============================================================
   品牌驱动 · 全站公共样式
   文件路径：css/style.css
   ============================================================ */

/* ---------- 全局重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "PingFang SC",
               "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: #f2f5fc;
  color: #0b1a2e;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ============================================================
   导航栏
   ============================================================ */
.navbar {
  background: #0b1a2e;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px -8px rgba(0, 20, 60, 0.4);
}
.navbar .logo {
  color: #fff;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.navbar .logo i { color: #4d8aff; }
.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  flex-wrap: wrap;
}
.nav-links a {
  color: #b8c6dc;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  transition: 0.2s;
  white-space: nowrap;
}
.nav-links a:hover { color: #fff; background: rgba(77, 138, 255, 0.15); }
.nav-links a.active {
  color: #fff;
  background: linear-gradient(135deg, #2b6cff, #6e4aff);
  box-shadow: 0 4px 12px -4px #2b6cff;
}

/* ============================================================
   页面容器 & 通用板块
   ============================================================ */
.page-wrap {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
}
.hero { text-align: center; margin-bottom: 3rem; }
.hero .icon-circle {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
  background: linear-gradient(145deg, #0b1a2e, #2b6cff);
  box-shadow: 0 12px 24px -10px #2b6cff;
  margin-bottom: 1.2rem;
}
.hero h1 {
  font-size: 2.4rem;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin-bottom: 0.6rem;
}
.hero p {
  color: #4b6589;
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* 卡片网格 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.card {
  background: #fff;
  border-radius: 20px;
  padding: 1.8rem 1.6rem;
  box-shadow: 0 20px 36px -22px rgba(0, 20, 50, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.8);
  position: relative;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 5px;
  background: linear-gradient(90deg, #2b6cff, #6e4aff, #b23eff);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 44px -20px rgba(0, 30, 80, 0.4);
}
.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.card h3 i { color: #2b6cff; }
.card p { color: #4b6589; font-size: 0.9rem; margin-bottom: 0.8rem; }

/* 列表 */
.list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: #1c2c44;
  padding-bottom: 0.6rem;
  border-bottom: 1px dashed rgba(0, 20, 50, 0.08);
}
.list li i { color: #2b6cff; font-size: 0.85rem; }
.tag {
  margin-left: auto;
  font-size: 0.68rem;
  color: #6b7f9c;
  background: #f0f4fc;
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #0b1a2e;
  color: #fff;
  border: none;
  border-radius: 60px;
  padding: 0.75rem 1.6rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s;
  box-shadow: 0 10px 18px -10px #0b1a2e;
}
.btn:hover { background: #2b6cff; box-shadow: 0 12px 22px -10px #2b6cff; }
.btn-ghost {
  background: transparent;
  color: #2b6cff;
  border: 1.5px solid #2b6cff;
  box-shadow: none;
}
.btn-ghost:hover { background: #2b6cff; color: #fff; }

/* 标签块 */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: #eef3fe;
  color: #1d4ed8;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.85rem;
  border-radius: 30px;
  border: 1px solid rgba(43, 108, 255, 0.2);
  margin: 0 0.4rem 0.4rem 0;
}

/* 社交图标 */
.social-row {
  display: flex;
  gap: 0.8rem;
  justify-content: center;
  margin-top: 1.2rem;
}
.social-row a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #eef3fe;
  color: #1c3f77;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  transition: 0.2s;
}
.social-row a:hover { background: #2b6cff; color: #fff; transform: translateY(-3px); }

/* ============================================================
   首页专用样式
   ============================================================ */
.home-wrap { padding-top: 2rem; }

.home-hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 2rem 0 3rem;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #eef3fe;
  color: #1d4ed8;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: 30px;
  border: 1px solid rgba(43, 108, 255, 0.25);
  margin-bottom: 1.4rem;
}
.hero-badge i { color: #22c55e; font-size: 0.55rem; }
.home-hero-title {
  font-size: 3.2rem;
  line-height: 1.15;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin-bottom: 1.2rem;
  color: #0b1a2e;
}
.gradient-text {
  background: linear-gradient(135deg, #2b6cff, #6e4aff, #b23eff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.home-hero-desc {
  font-size: 1.05rem;
  color: #4b6589;
  margin-bottom: 2rem;
  max-width: 560px;
}
.home-hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.btn-lg { padding: 0.9rem 1.9rem; font-size: 0.95rem; }
.home-hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.stat-item { display: flex; flex-direction: column; }
.stat-item strong {
  font-size: 1.4rem;
  font-weight: 800;
  color: #0b1a2e;
  letter-spacing: -0.02em;
}
.stat-item span { font-size: 0.78rem; color: #6b7f9c; }
.stat-divider { width: 1px; height: 34px; background: rgba(0, 20, 50, 0.12); }

/* 实时看板 */
.home-hero-right { position: relative; }
.hero-card-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle at 60% 40%, rgba(43, 108, 255, 0.25), transparent 70%);
  filter: blur(30px);
  z-index: 0;
}
.hero-card {
  position: relative;
  z-index: 1;
  background: #fff;
  border-radius: 24px;
  padding: 1.8rem;
  box-shadow: 0 30px 60px -30px rgba(0, 20, 60, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.9);
  overflow: hidden;
}
.hero-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 5px;
  background: linear-gradient(90deg, #2b6cff, #6e4aff, #b23eff);
}
.hero-card-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #0b1a2e;
  margin-bottom: 1.4rem;
}
.hero-card-header i { color: #2b6cff; }
.live-dot {
  margin-left: auto;
  font-size: 0.68rem;
  font-weight: 700;
  color: #16a34a;
  background: #e8f9ef;
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  letter-spacing: 0.03em;
}
.live-dot i { font-size: 0.45rem; color: #16a34a; animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }
.hero-card-metric {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin-bottom: 1.5rem;
}
.metric-label { font-size: 0.8rem; color: #6b7f9c; }
.metric-value {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #0b1a2e;
}
.metric-trend.up {
  font-size: 0.78rem;
  font-weight: 700;
  color: #16a34a;
  background: #e8f9ef;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
}
.hero-bars { display: flex; flex-direction: column; gap: 0.9rem; }
.bar-row {
  display: grid;
  grid-template-columns: 78px 1fr 44px;
  align-items: center;
  gap: 0.7rem;
}
.bar-row span { font-size: 0.78rem; color: #4b6589; }
.bar-track {
  height: 8px;
  background: #eef3fe;
  border-radius: 20px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  border-radius: 20px;
  background: linear-gradient(90deg, #2b6cff, #6e4aff);
  animation: barGrow 1s ease-out;
}
@keyframes barGrow { from { width: 0 !important; } }
.bar-row em {
  font-size: 0.75rem;
  font-style: normal;
  font-weight: 700;
  color: #0b1a2e;
  text-align: right;
}

/* 通用 Section */
.home-section { margin-bottom: 4rem; }
.section-head { text-align: center; margin-bottom: 2.5rem; }
.section-head h2 {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 0.6rem;
}
.section-head p { color: #4b6589; font-size: 0.98rem; }

/* 六大栏目卡片 */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.feature-card {
  background: #fff;
  border-radius: 20px;
  padding: 2rem 1.7rem 1.7rem;
  box-shadow: 0 20px 36px -24px rgba(0, 20, 50, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.9);
  transition: transform 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  color: inherit;
}
.feature-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, #2b6cff, #6e4aff, #b23eff);
  opacity: 0;
  transition: 0.25s;
}
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 50px -24px rgba(0, 30, 80, 0.4);
}
.feature-card:hover::after { opacity: 1; }
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: #fff;
  margin-bottom: 1.2rem;
  box-shadow: 0 10px 20px -8px rgba(0, 0, 0, 0.3);
}
.feature-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.6rem; }
.feature-card p { font-size: 0.88rem; color: #4b6589; flex: 1; margin-bottom: 1.2rem; }
.feature-link {
  font-size: 0.83rem;
  font-weight: 700;
  color: #2b6cff;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.feature-link i { transition: transform 0.2s; }
.feature-card:hover .feature-link i { transform: translateX(4px); }

/* 分栏卡片 */
.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.split-card {
  background: #fff;
  border-radius: 22px;
  padding: 2rem 1.8rem;
  box-shadow: 0 22px 40px -26px rgba(0, 20, 50, 0.32);
  border: 1px solid rgba(255, 255, 255, 0.9);
  position: relative;
  overflow: hidden;
}
.split-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, #2b6cff, #6e4aff, #b23eff);
}
.split-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.split-head h3 {
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.split-head h3 i { color: #2b6cff; }
.split-head .live-dot { margin-left: auto; }
.split-desc { font-size: 0.9rem; color: #4b6589; margin-bottom: 1.2rem; }

.assistant-bubble {
  background: linear-gradient(135deg, #eef4ff, #e3ebff);
  border-radius: 1.4rem 1.4rem 1.4rem 0.5rem;
  padding: 1rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: #102a4c;
  border: 1px solid rgba(43, 108, 255, 0.15);
  margin-bottom: 1rem;
}
.assistant-bubble i { color: #2b6cff; margin-right: 0.4rem; }
.quick-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.quick-btn {
  background: #fff;
  border: 1px solid rgba(43, 108, 255, 0.3);
  border-radius: 30px;
  padding: 0.4rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #1a3f7a;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.guide-steps {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin: 1rem 0;
}
.step-item { display: flex; align-items: center; gap: 0.9rem; }
.step-num {
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 9px;
  background: #0b1a2e;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: #1a2d48;
  flex: 1;
}
.step-text small {
  display: block;
  font-weight: 400;
  color: #617a9e;
  font-size: 0.72rem;
  margin-top: 1px;
}
.speed-badge {
  background: #e6f7ec;
  color: #0c6e3e;
  padding: 0.3rem 0.8rem;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  border: 1px solid rgba(12, 110, 62, 0.2);
}

/* CTA 横幅 */
.cta-banner {
  background: linear-gradient(135deg, #0b1a2e 0%, #1a3f7a 60%, #2b6cff 130%);
  border-radius: 26px;
  padding: 3rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  box-shadow: 0 30px 60px -30px rgba(11, 26, 46, 0.6);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -60px; right: -60px;
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(110, 74, 255, 0.5), transparent 70%);
  filter: blur(40px);
}
.cta-left { position: relative; z-index: 1; }
.cta-left h2 {
  color: #fff;
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}
.cta-left p { color: #b8c6dc; font-size: 0.95rem; }
.cta-right {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.btn-light {
  background: #fff;
  color: #0b1a2e;
  box-shadow: 0 12px 24px -12px rgba(0, 0, 0, 0.5);
}
.btn-light:hover { background: #eef3fe; color: #0b1a2e; }
.btn-light-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.6);
  box-shadow: none;
}
.btn-light-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: #fff;
}

/* ============================================================
   完整页脚
   ============================================================ */
.site-footer {
  background: #0b1a2e;
  color: #8fa3bd;
  margin-top: 2rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3.5rem 2rem 2.5rem;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: 2.5rem;
}
.footer-brand .footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 1rem;
}
.footer-brand .footer-logo i { color: #4d8aff; }
.footer-slogan {
  font-size: 0.85rem;
  line-height: 1.7;
  color: #8fa3bd;
  margin-bottom: 1.2rem;
}
.footer-social { display: flex; gap: 0.6rem; }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #b8c6dc;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: 0.2s;
}
.footer-social a:hover {
  background: #2b6cff;
  color: #fff;
  transform: translateY(-2px);
}
.footer-col h4 {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  letter-spacing: 0.02em;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.footer-col ul li a {
  color: #8fa3bd;
  font-size: 0.85rem;
  transition: 0.2s;
}
.footer-col ul li a:hover { color: #fff; padding-left: 4px; }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: #8fa3bd;
  font-size: 0.85rem;
}
.footer-contact li i {
  color: #4d8aff;
  width: 16px;
  font-size: 0.85rem;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.2rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
  font-size: 0.8rem;
  color: #6b7f9c;
}
.footer-bottom-links {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}
.footer-bottom-links a { color: #8fa3bd; transition: 0.2s; }
.footer-bottom-links a:hover { color: #fff; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .home-hero { grid-template-columns: 1fr; gap: 2rem; }
  .home-hero-title { font-size: 2.5rem; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    height: auto;
    padding: 0.8rem 1rem;
    gap: 0.6rem;
  }
  .nav-links { justify-content: center; }
  .page-wrap { padding: 2rem 1rem 3rem; }
  .home-hero-title { font-size: 2rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .split-grid { grid-template-columns: 1fr; }
  .cta-banner {
    flex-direction: column;
    text-align: center;
    padding: 2.2rem 1.5rem;
  }
  .cta-right { justify-content: center; }
  .home-hero-stats { gap: 1rem; }
  .stat-item strong { font-size: 1.15rem; }
  .hero h1 { font-size: 1.7rem; }
}

@media (max-width: 560px) {
  .footer-inner {
    grid-template-columns: 1fr;
    padding: 2.5rem 1.5rem 1.8rem;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    padding: 1rem 1.5rem;
  }
}