* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", -apple-system, sans-serif;
  background: #fff;
  color: #374151;
  line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* ===== 导航栏 ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: #fff;
  box-shadow: 0 1px 8px rgba(0,0,0,0.04);
}
.nav-inner {
  max-width: 1140px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo { font-size: 22px; font-weight: bold; color: #10b981; }
.logo span { color: #2dd4bf; }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-size: 14px; color: #4b5563; font-weight: 500;
  transition: color 0.3s;
}
.nav-links a:hover { color: #10b981; }
.nav-btn {
  padding: 9px 24px; background: #10b981;
  border-radius: 25px; font-size: 14px; font-weight: 500; color: #fff;
  transition: all 0.3s;
}
.nav-btn:hover { background: #059669; transform: translateY(-1px); }

/* ===== Hero区 ===== */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #ecfdf5 0%, #f0fdfa 50%, #fef3c7 150%);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: 60px; right: 10%;
  width: 300px; height: 300px;
  background: rgba(16,185,129,0.08);
  border-radius: 50%;
}
.hero::after {
  content: ''; position: absolute; bottom: 40px; left: 5%;
  width: 150px; height: 150px;
  background: rgba(249,115,22,0.08);
  border-radius: 50%;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  align-items: center; position: relative; z-index: 1;
}
.hero-tag {
  display: inline-block;
  font-size: 12px; font-weight: 600; color: #10b981;
  text-transform: uppercase; letter-spacing: 1.5px;
  margin-bottom: 16px;
}
.hero h1 {
  font-size: 40px; font-weight: bold; color: #111827;
  margin-bottom: 18px; line-height: 1.3;
}
.hero p {
  font-size: 15px; color: #6b7280;
  margin-bottom: 28px; line-height: 1.8;
  max-width: 480px;
}
.hero-buttons { display: flex; gap: 14px; align-items: center; }
.hero-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 12px 28px; background: #111827; color: #fff;
  border-radius: 25px; font-size: 14px; font-weight: 600;
  transition: all 0.3s;
}
.hero-btn:hover { background: #10b981; transform: translateY(-2px); }
.hero-btn-light {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 600; color: #10b981;
  transition: gap 0.3s;
}
.hero-btn-light:hover { gap: 10px; }
.hero-img-wrap {
  position: relative; text-align: center;
}
.hero-img-main {
  width: 100%; max-width: 380px;
  border-radius: 20px;
  box-shadow: 0 20px 50px rgba(16,185,129,0.2);
}
.hero-badge {
  position: absolute; top: 20px; right: 0;
  background: #fff;
  border-radius: 12px;
  padding: 14px 18px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
  text-align: center;
}
.hero-badge .num { font-size: 22px; font-weight: bold; color: #10b981; }
.hero-badge .label { font-size: 11px; color: #6b7280; }

/* ===== 通用区块 ===== */
.section { padding: 80px 0; }
.section-mint { background: #f0fdfa; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-subtitle {
  font-size: 12px; font-weight: 600; color: #10b981;
  text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 10px;
}
.section-title {
  font-size: 30px; font-weight: bold; color: #111827; margin-bottom: 14px;
  line-height: 1.3;
}
.section-desc {
  font-size: 14px; color: #6b7280; max-width: 580px; margin: 0 auto;
  line-height: 1.8;
}

/* ===== 核心特性标签 ===== */
.features-tags {
  display: flex; justify-content: center; gap: 16px; flex-wrap: wrap;
  margin-bottom: 50px;
}
.feature-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px;
  background: #fff;
  border: 1px solid #d1fae5;
  border-radius: 25px;
  font-size: 14px; color: #374151; font-weight: 500;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}
.feature-tag .check {
  width: 20px; height: 20px;
  background: #10b981;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: #fff;
}

/* ===== 两大优势卡片 ===== */
.two-cards {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.big-card {
  background: linear-gradient(135deg, #ecfdf5, #f0fdfa);
  border-radius: 16px;
  padding: 36px;
  display: flex; align-items: center; gap: 24px;
  transition: all 0.3s;
  border: 1px solid #d1fae5;
}
.big-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(16,185,129,0.15);
}
.big-card-text { flex: 1; }
.big-card-text h3 {
  font-size: 20px; font-weight: bold; color: #111827; margin-bottom: 10px;
}
.big-card-text p {
  font-size: 13px; color: #6b7280; line-height: 1.7; margin-bottom: 16px;
}
.big-card-btn {
  display: inline-block;
  padding: 8px 22px;
  background: #10b981;
  border-radius: 20px;
  font-size: 13px; color: #fff; font-weight: 600;
  transition: all 0.3s;
}
.big-card-btn:hover { background: #059669; }
.big-card-img {
  width: 140px; height: 140px;
  background: #fff;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 60px;
  flex-shrink: 0;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
}

/* ===== 关于我们 ===== */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center;
}
.about-img-collage {
  position: relative;
  height: 380px;
}
.about-img-main {
  position: absolute; top: 0; left: 0;
  width: 70%; height: 280px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(0,0,0,0.12);
  z-index: 2;
}
.about-img-main img { width: 100%; height: 100%; object-fit: cover; }
.about-img-sub {
  position: absolute; bottom: 0; right: 0;
  width: 55%; height: 200px;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  z-index: 1;
  display: flex; align-items: center; justify-content: center;
  font-size: 70px;
}
.about-float-card {
  position: absolute; top: 30px; right: 10px;
  background: #10b981;
  color: #fff;
  border-radius: 12px;
  padding: 16px 20px;
  text-align: center;
  z-index: 3;
  box-shadow: 0 8px 25px rgba(16,185,129,0.3);
}
.about-float-card .num { font-size: 24px; font-weight: bold; }
.about-float-card .label { font-size: 11px; opacity: 0.9; }
.about-text .section-subtitle { text-align: left; }
.about-text h2 {
  font-size: 28px; font-weight: bold; color: #111827;
  margin-bottom: 16px; line-height: 1.3;
}
.about-text > p {
  font-size: 14px; color: #6b7280; line-height: 1.8; margin-bottom: 20px;
}
.about-checks { margin-bottom: 24px; }
.about-check {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 0;
  font-size: 14px; color: #374151;
}
.about-check .dot {
  width: 22px; height: 22px;
  background: #d1fae5;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; color: #10b981;
  flex-shrink: 0;
}
.about-btn {
  display: inline-block;
  padding: 11px 30px;
  background: #111827;
  color: #fff;
  border-radius: 25px;
  font-size: 14px; font-weight: 600;
  transition: all 0.3s;
}
.about-btn:hover { background: #10b981; }

/* ===== 服务流程 ===== */
.process-steps {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px;
  position: relative;
}
.process-step {
  text-align: center;
  position: relative;
}
.step-circle {
  width: 64px; height: 64px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, #10b981, #2dd4bf);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: bold; color: #fff;
  box-shadow: 0 6px 20px rgba(16,185,129,0.3);
  position: relative;
  z-index: 1;
}
.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 32px;
  left: 60%;
  width: 80%;
  height: 2px;
  background: linear-gradient(90deg, #d1fae5, #a7f3d0);
  z-index: 0;
}
.process-step h4 {
  font-size: 15px; font-weight: bold; color: #111827; margin-bottom: 6px;
}
.process-step p {
  font-size: 12px; color: #6b7280; line-height: 1.6;
  padding: 0 8px;
}

/* ===== 客服展示 ===== */
.service-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.service-card {
  background: #fff;
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  border: 1px solid #f0f0f0;
  transition: all 0.3s;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 15px 40px rgba(16,185,129,0.15);
  border-color: #a7f3d0;
}
.avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 3px solid #10b981;
  overflow: hidden;
  margin: 0 auto 14px;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.service-card h4 { font-size: 17px; color: #111827; margin-bottom: 4px; }
.service-card .role { font-size: 13px; color: #10b981; margin-bottom: 12px; font-weight: 500; }
.service-card .desc { font-size: 13px; color: #6b7280; margin-bottom: 18px; line-height: 1.6; }
.contact-btn {
  display: inline-block;
  padding: 8px 22px;
  background: #10b981;
  border-radius: 20px;
  font-size: 13px; color: #fff; font-weight: 500;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
}
.contact-btn:hover { background: #059669; }

/* ===== 底部CTA ===== */
.cta {
  padding: 70px 0;
  background: linear-gradient(135deg, #10b981 0%, #2dd4bf 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: ''; position: absolute; top: -50px; right: -50px;
  width: 200px; height: 200px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
}
.cta::after {
  content: ''; position: absolute; bottom: -40px; left: -40px;
  width: 160px; height: 160px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
}
.cta h3 { font-size: 28px; color: #fff; margin-bottom: 12px; position: relative; z-index: 1; }
.cta p { font-size: 15px; color: rgba(255,255,255,0.9); margin-bottom: 28px; position: relative; z-index: 1; }
.cta .btn-white {
  display: inline-block;
  padding: 13px 36px;
  background: #fff;
  color: #10b981;
  border-radius: 25px;
  font-size: 15px; font-weight: 600;
  transition: all 0.3s;
  position: relative; z-index: 1;
}
.cta .btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,0,0,0.15); }

/* ===== 页脚 ===== */
.footer { background: #111827; padding: 50px 0 20px; color: #9ca3af; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 30px;
}
.footer-brand h4 { font-size: 22px; color: #fff; margin-bottom: 14px; }
.footer-brand h4 span { color: #2dd4bf; }
.footer-brand p { font-size: 13px; color: #6b7280; line-height: 1.8; }
.footer-col h5 { font-size: 15px; color: #fff; margin-bottom: 16px; }
.footer-col li { padding: 5px 0; }
.footer-col a { font-size: 13px; color: #6b7280; transition: color 0.3s; }
.footer-col a:hover { color: #2dd4bf; }

/* 友情链接 */
.flink-wrap {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.flink-toggle {
  cursor: pointer; user-select: none;
  font-size: 13px; color: #6b7280;
  display: inline-block;
  transition: color 0.3s;
}
.flink-toggle:hover { color: #2dd4bf; }
.flink-box {
  margin-top: 10px;
  font-size: 12px;
  line-height: 2;
}
.flink-box.hidden { display: none !important; }
.flink-box a { color: #6b7280; margin-right: 14px; transition: color 0.3s; }
.flink-box a:hover { color: #2dd4bf; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
  color: #4b5563;
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hero-grid, .about-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
  .two-cards { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .process-step:not(:last-child)::after { display: none; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-img-collage { height: 340px; }
}
@media (max-width: 500px) {
  .service-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .big-card { flex-direction: column; text-align: center; }
  .section-title { font-size: 24px; }
  .features-tags { flex-direction: column; align-items: center; }
}