/* ====== 鍩虹閲嶇疆 ====== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: #333;
  line-height: 1.6;
  background: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  color: #1a73e8;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* ====== 瀵艰埅鏍?====== */
.header {
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 15px;
  padding-bottom: 15px;
  flex-wrap: wrap;
}
.logo a {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo-img {
  height: 40px;
  width: auto;
}
.logo-img {
  height: 40px;
  width: auto;
}
.logo-text {
  font-size: 1.2rem;
  color: #1a3a5c;
  white-space: nowrap;
  font-weight: bold;
}
.nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.nav a {
  color: #555;
  font-size: 0.95rem;
  transition: color 0.2s;
}
.nav a:hover {
  color: #1a73e8;
  text-decoration: none;
}

/* ====== 鑻遍泟妯箙 ====== */
.hero {
  position: relative;
  height: 500px;
  background: linear-gradient(135deg, #1a3a5c 0%, #2a5a8c 50%, #1a73e8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><polygon points="0,0 20,0 10,20" fill="rgba(255,255,255,0.03)"/><polygon points="80,80 100,80 90,100" fill="rgba(255,255,255,0.03)"/><polygon points="50,50 70,50 60,70" fill="rgba(255,255,255,0.03)"/><polygon points="0,80 20,80 10,100" fill="rgba(255,255,255,0.03)"/><polygon points="80,0 100,0 90,20" fill="rgba(255,255,255,0.03)"/></svg>') repeat;
  background-size: 100px 100px;
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: 0 20px;
}
.hero-content h1 {
  font-size: 2.8rem;
  margin-bottom: 15px;
  letter-spacing: 2px;
}
.hero-sub {
  font-size: 1.3rem;
  opacity: 0.9;
  margin-bottom: 30px;
}

/* ====== 鎸夐挳 ====== */
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}
.btn-primary {
  background: #ff6b35;
  color: #fff;
}
.btn-primary:hover {
  background: #e55a2b;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255,107,53,0.3);
}
.btn-block {
  width: 100%;
}

/* ====== 閫氱敤娈佃惤 ====== */
.section {
  padding: 80px 0;
}
.section-title {
  text-align: center;
  font-size: 2rem;
  color: #1a3a5c;
  margin-bottom: 50px;
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: #ff6b35;
  margin: 15px auto 0;
  border-radius: 2px;
}
.bg-light {
  background: #f8fafc;
}
.section-desc {
  text-align: center;
  color: #666;
  margin-bottom: 40px;
  font-size: 1.1rem;
}

/* ====== 鍏充簬鎴戜滑 ====== */
.about-content p {
  margin-bottom: 18px;
  font-size: 1.05rem;
  line-height: 1.9;
  text-indent: 2em;
}

/* ====== 涓氬姟棰嗗煙 ====== */
.business-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}
.business-card {
  background: #fff;
  padding: 35px 25px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 2px 15px rgba(0,0,0,0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}
.business-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}
.business-icon {
  font-size: 3rem;
  margin-bottom: 15px;
}
.business-card h3 {
  font-size: 1.2rem;
  color: #1a3a5c;
  margin-bottom: 12px;
}
.business-card p {
  color: #666;
  font-size: 0.95rem;
}

/* ====== 鑱旂郴鎴戜滑 ====== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}
.contact-form, .contact-info {
  background: #fff;
  padding: 35px;
  border-radius: 12px;
  box-shadow: 0 2px 15px rgba(0,0,0,0.06);
}
.contact-form h3, .contact-info h3 {
  font-size: 1.3rem;
  color: #1a3a5c;
  margin-bottom: 25px;
}
.contact-info ul {
  list-style: none;
}
.contact-info li {
  margin-bottom: 15px;
  font-size: 1rem;
  line-height: 1.8;
}
.contact-info li strong {
  display: inline-block;
  min-width: 70px;
}

/* ====== 琛ㄥ崟 ====== */
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: #444;
}
.form-group .required {
  color: #e74c3c;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.2s;
  font-family: inherit;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #1a73e8;
  box-shadow: 0 0 0 3px rgba(26,115,232,0.1);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-success {
  text-align: center;
  padding: 30px;
  background: #e8f5e9;
  border-radius: 8px;
  margin-top: 20px;
}
.form-success p {
  font-size: 1.1rem;
  color: #2e7d32;
}

/* ====== 鏀舵璐︽埛 ====== */
.account-card {
  max-width: 700px;
  margin: 0 auto;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 15px rgba(0,0,0,0.06);
  overflow: hidden;
}
.account-table {
  width: 100%;
  border-collapse: collapse;
}
.account-table td {
  padding: 16px 24px;
  border-bottom: 1px solid #f0f0f0;
  font-size: 1rem;
}
.account-table tr:last-child td {
  border-bottom: none;
}
.account-table .label {
  width: 120px;
  font-weight: 600;
  color: #555;
  background: #f9f9f9;
}
.account-number {
  font-size: 1.2rem;
  font-weight: 600;
  color: #1a73e8;
  letter-spacing: 2px;
}

/* ====== 鐢宠鍙戠エ鍏ュ彛 ====== */
.cta-box {
  text-align: center;
  background: linear-gradient(135deg, #1a3a5c 0%, #2a5a8c 100%);
  padding: 60px 40px;
  border-radius: 12px;
  color: #fff;
}
.cta-box h2 {
  font-size: 1.8rem;
  margin-bottom: 15px;
}
.cta-box p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 25px;
}
.cta-box .btn-primary {
  font-size: 1.1rem;
  padding: 14px 40px;
}

/* ====== 鍙戠エ椤甸潰 ====== */
.invoice-page {
  min-height: calc(100vh - 200px);
}
.invoice-form-wrapper {
  max-width: 750px;
  margin: 0 auto;
  background: #fff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 2px 15px rgba(0,0,0,0.06);
}

/* ====== 椤佃剼 ====== */
.footer {
  background: #1a3a5c;
  color: rgba(255,255,255,0.7);
  text-align: center;
  padding: 30px 0;
  font-size: 0.9rem;
}
.footer a {
  color: rgba(255,255,255,0.7);
}
.footer a:hover {
  color: #fff;
}
.footer p {
  margin-bottom: 5px;
}

/* ====== 鍝嶅簲寮?====== */
@media (max-width: 768px) {
  .header .container {
    flex-direction: column;
    gap: 12px;
  }
  .nav {
    justify-content: center;
    gap: 16px;
  }
  .hero-content h1 {
    font-size: 2rem;
  }
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 50px 0;
  }
  .section-title {
    font-size: 1.6rem;
    margin-bottom: 35px;
  }
}