/* ============================================================
     一、全局样式
     ============================================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  overflow-x: hidden;
}

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
  background-color: #f5f7fb;
  color: #1e2a3a;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
     二、顶部导航栏
     ============================================================ */
.navbar-top {
  background: rgba(26, 82, 118, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.3s ease;
}
.navbar-top .navbar-brand {
  color: #fff !important;
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 1px;
}
.navbar-top .navbar-brand i {
  color: #ffd700;
  margin-right: 6px;
}

.navbar-top .nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
  font-weight: 500;
  padding: 8px 18px !important;
  border-radius: 8px;
  transition: all 0.3s ease;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
}
.navbar-top .nav-link:hover,
.navbar-top .nav-link.active {
  color: #fff !important;
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.05);
}
.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.3);
}
.navbar-toggler-icon {
  filter: brightness(0) invert(1);
}
/* ===== 横幅图片区域 ===== */
/* ===== 横幅组件 ===== */
.banner-box {
  margin-top: 0 !important;
  padding-top: 0 !important;
}
/* ============================================================
     四、通用卡片
     ============================================================ */
.section-card {
  background: #ffffff;
  border-radius: 20px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
  margin-bottom: 40px;
  overflow: hidden;
  transition: all 0.4s ease;
  border: 1px solid rgba(0, 0, 0, 0.03);
}
.section-card:hover {
  box-shadow: 0 16px 60px rgba(0, 0, 0, 0.08);
}

.section-header {
  padding: 24px 32px;
  display: flex;
  align-items: center;
  gap: 16px;
  background: linear-gradient(135deg, #1a5276 0%, #2980b9 100%);
  position: relative;
  overflow: hidden;
}
.section-header::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
}
.section-header h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
  letter-spacing: 0.5px;
  position: relative;
  z-index: 1;
}
.section-header i {
  font-size: 2rem;
  color: #ffd700;
  position: relative;
  z-index: 1;
}
.section-body {
  padding: 32px 36px;
}

/* ============================================================
     五、背景介绍
     ============================================================ */
.background-section p {
  font-size: 1.05rem;
  color: #2c3e50;
  margin-bottom: 16px;
  text-align: justify;
  text-indent: 2em;
  line-height: 1.9;
}
.background-section p strong {
  color: #1a5276;
}

.highlight-text {
  background: linear-gradient(135deg, #eaf4fb 0%, #e8f5e9 100%);
  border-left: 5px solid #2980b9;
  padding: 20px 28px;
  border-radius: 0 12px 12px 0;
  margin: 24px 0;
  position: relative;
}
.highlight-text::before {
  content: "\f6b0";
  font-family: "bootstrap-icons";
  position: absolute;
  top: -10px;
  left: -10px;
  font-size: 2rem;
  color: rgba(41, 128, 185, 0.15);
}
.highlight-text p {
  text-indent: 2em;
  margin-bottom: 0;
  font-size: 1.05rem;
}
.highlight-text strong {
  color: #1a5276;
}

/* ============================================================
     六、核心优势
     ============================================================ */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 0;
}
.advantage-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border: 1px solid rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.advantage-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}
.advantage-card .card-top {
  padding: 28px 28px 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  position: relative;
}
.advantage-card .card-number {
  font-size: 2.8rem;
  font-weight: 800;
  opacity: 0.12;
  line-height: 1;
  position: absolute;
  top: 12px;
  right: 20px;
  font-family: "Georgia", serif;
}
.advantage-card .card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}
.advantage-card .card-title-wrap {
  flex: 1;
}
.advantage-card .card-title-wrap h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 4px;
  color: #1a2a3a;
}
.advantage-card .card-title-wrap .sub-tag {
  font-size: 0.92rem;
  font-weight: 600;
  color: rgba(0, 0, 0, 0.68);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.advantage-card .card-body-text {
  padding: 0 28px 28px;
  flex: 1;
}
.advantage-card .card-body-text p {
  color: #3d4f60;
  line-height: 1.9;
  font-size: 0.98rem;
  text-indent: 2em;
  margin-bottom: 12px;
}
.advantage-card .card-body-text p:last-child {
  margin-bottom: 0;
}
.advantage-card .card-body-text strong {
  color: #1a5276;
}
.advantage-card .card-body-text img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 16px auto;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.advantage-card.type-blue .card-icon {
  background: linear-gradient(135deg, #1a5276, #2980b9);
}
.advantage-card.type-blue .card-top {
  border-bottom: 3px solid rgba(41, 128, 185, 0.15);
}
.advantage-card.type-blue .card-number {
  color: #2980b9;
}
.advantage-card.type-blue:hover {
  border-color: rgba(41, 128, 185, 0.25);
}

.advantage-card.type-green .card-icon {
  background: linear-gradient(135deg, #1e8449, #27ae60);
}
.advantage-card.type-green .card-top {
  border-bottom: 3px solid rgba(39, 174, 96, 0.15);
}
.advantage-card.type-green .card-number {
  color: #27ae60;
}
.advantage-card.type-green:hover {
  border-color: rgba(39, 174, 96, 0.25);
}

.advantage-card.type-orange .card-icon {
  background: linear-gradient(135deg, #d35400, #e67e22);
}
.advantage-card.type-orange .card-top {
  border-bottom: 3px solid rgba(230, 126, 34, 0.15);
}
.advantage-card.type-orange .card-number {
  color: #e67e22;
}
.advantage-card.type-orange:hover {
  border-color: rgba(230, 126, 34, 0.25);
}

/* ============================================================
     七、合作企业
     ============================================================ */
/* ===== 合作企业 ===== */
/* ===== 合作企业 ===== */
.partner-container {
  display: flex; /* PC 左右结构 */
  gap: 20px; /* 左右间距 */
  overflow: hidden;
}

.partner-left {
  width: 210px; /* 左侧固定宽度 */
  flex-shrink: 0;
}

.partner-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.partner-list li {
  font-size: 1.2rem;
  padding: 12px 16px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  border-left: 3px solid transparent;
  transition: all 0.25s ease;
}
.partner-list li:hover {
  background: #eef4fa;
}
.partner-list li.active {
  background: #d4e6f1;
  border-left-color: #2980b9;
  color: #1a5276;
  font-weight: 700;
}

/* 右侧：面板容器，同一时间只显示一个面板 */
.partner-right {
  flex: 1; /* 占据剩余空间 */
  min-width: 0;
  background: transparent;
  border-radius: 12px;
  position: relative;
  overflow: hidden;
    height: 880px;

}

/* 默认全部隐藏，仅激活面板显示 */
.partner-info-panel {
  display: none;
}

.partner-info-panel.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.partner-info-panel img {
  display: block;
  /* width: 100% !important; */
  height: auto !important;
  max-width: 100%;
  object-fit: cover; /* 超出高度的部分裁剪不显示 */
  object-position: top; /* 裁剪时保留图片顶部 */
  border-radius: 12px;
}

/* ============================================================
     八、合作模式表格
     ============================================================ */
.cooperation-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  font-size: 0.95rem;
}
.cooperation-table th {
  background: linear-gradient(135deg, #1a5276, #2980b9);
  color: #fff;
  padding: 16px 22px;
  text-align: left;
  font-weight: 600;
  font-size: 0.95rem;
}
.cooperation-table td {
  padding: 14px 22px;
  border-bottom: 1px solid #eef2f7;
  vertical-align: middle;
  color: #2c3e50;
}
.cooperation-table td:first-child {
  background: #f8fafc;
  font-weight: 600;
  color: #1a5276;
  width: 28%;
}
.cooperation-table tr:hover td {
  background-color: #eaf4fb;
}
.cooperation-table tr:hover td:first-child {
  background-color: #d4e6f1;
}

/* ============================================================
     九、费用卡片
     ============================================================ */
.fee-card {
  background: linear-gradient(135deg, #fff8e1, #ffecb3);
  border: 2px solid #ffb300;
  border-radius: 16px;
  padding: 28px 32px;
  margin-top: 28px;
  position: relative;
  overflow: hidden;
}
.fee-card::before {
  content: "\f4b5";
  font-family: "bootstrap-icons";
  position: absolute;
  top: -20px;
  right: 10px;
  font-size: 6rem;
  color: rgba(255, 179, 0, 0.1);
}
.fee-card .fee-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #e65100;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.fee-card .fee-title i {
  font-size: 1.6rem;
}
.fee-card .fee-content p {
  color: #4e342e;
  line-height: 2;
  text-indent: 2em;
  margin-bottom: 0;
  font-size: 1.05rem;
}
.fee-card .fee-content strong {
  color: #d84315;
  font-weight: 700;
}

/* ============================================================
     十、合作流程
     ============================================================ */
.step-list {
  counter-reset: step-counter;
  padding-left: 0;
}
.step-list .step-item {
  display: flex;
  gap: 20px;
  padding: 20px 24px;
  background: #f8fafc;
  border-radius: 14px;
  margin-bottom: 18px;
  border-left: 5px solid #2980b9;
  transition: all 0.3s ease;
  align-items: flex-start;
}
.step-list .step-item:hover {
  background: #eaf4fb;
  transform: translateX(4px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}
.step-list .step-item .step-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: #2980b9;
  line-height: 1;
  min-width: 48px;
  text-align: center;
  font-family: "Georgia", serif;
  opacity: 0.6;
}
.step-list .step-item .step-content {
  flex: 1;
}
.step-list .step-item .step-content h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #1a5276;
  margin: 0 0 6px;
}
.step-list .step-item .step-content p {
  color: #3d4f60;
  line-height: 1.8;
  margin: 0;
  font-size: 0.98rem;
}

/* ============================================================
     十一、FAQ
     ============================================================ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.faq-item {
  background: #f8fafc;
  border-radius: 14px;
  padding: 18px 24px 20px;
  border-left: 5px solid #f39c12;
  transition: all 0.3s ease;
}
.faq-item:hover {
  background: #eaf4fb;
  transform: translateX(4px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}
.faq-item .faq-q {
  font-weight: 700;
  color: #1a5276;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.faq-item .faq-q i {
  color: #f39c12;
  font-size: 1.3rem;
}
.faq-item .faq-a {
  color: #3d4f60;
  line-height: 1.8;
  padding-left: 34px;
  font-size: 0.98rem;
}
.faq-item .faq-a strong {
  color: #1a5276;
}

/* ============================================================
     十二、CTA 区域
     ============================================================ */
.cta-section {
  text-align: center;
  padding: 56px 0 50px;
  background: linear-gradient(135deg, #0b2a3e, #1a5276, #2980b9);
  border-radius: 20px;
  color: #fff;
  margin: 30px 0;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(26, 82, 118, 0.25);
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 70% 30%,
    rgba(255, 215, 0, 0.08) 0%,
    transparent 60%
  );
}
.cta-section h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.cta-section p {
  opacity: 0.9;
  position: relative;
  z-index: 1;
  font-size: 1.1rem;
}

/* CTA 左右布局：左侧文案+按钮，右侧登录入口图片 */
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  position: relative;
  z-index: 1;
}
.cta-left {
  flex: 1 1 auto;
}
.cta-right {
  flex: 0 0 auto;
}
.login-entry-img {
  width: 220px;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
  transition: transform 0.3s ease;
}
.login-entry-img:hover {
  transform: translateY(-4px);
}
@media (max-width: 768px) {
  .cta-inner {
    flex-direction: column;
    gap: 20px;
  }
  .login-entry-img {
    width: 180px;
    margin: 0 auto;
  }
}

.btn-custom {
  display: inline-block;
  padding: 14px 38px;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  margin: 6px 10px;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  letter-spacing: 0.5px;
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(4px);
}
.btn-custom.active {
  background: linear-gradient(135deg, #ff6b35, #f7931e);
  color: #fff;
  box-shadow: 0 6px 30px rgba(255, 107, 53, 0.35);
}
.btn-custom.active:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 45px rgba(255, 107, 53, 0.45);
  color: #fff;
}
.btn-custom:hover {
  background: rgba(255, 255, 255, 0.22);
  transform: translateY(-4px);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

/* ============================================================
     十三、返回顶部
     ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, #1a5276, #2980b9);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
  box-shadow: 0 6px 30px rgba(26, 82, 118, 0.35);
  z-index: 999;
  border: none;
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover {
  transform: translateY(-6px) scale(1.05);
  box-shadow: 0 12px 45px rgba(26, 82, 118, 0.45);
}
.back-to-top i {
  font-size: 1.6rem;
}

/* ============================================================
     十四、动画
     ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
     十五、媒体查询：超大屏 ≥1600px
     ============================================================ */
@media (min-width: 1600px) {
  .hero-content {
    max-width: 1000px;
  }
}

/* ============================================================
     十六、媒体查询：平板 ≤991.98px（导航折叠 + Hero 缩字）
     ============================================================ */
@media (max-width: 991.98px) {
  .hero-section h1 {
    font-size: 3.2rem;
  }

  /* 导航：Logo 居中 + 导航下方横向排列 */
  .navbar-top .container {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    flex-wrap: wrap !important;
    padding-top: 10px !important;
    padding-bottom: 10px !important;
  }
  .navbar-top .logo {
    margin-bottom: 12px !important;
  }
  .navbar-top .logo img {
    height: 40px !important;
  }

  .navbar-top .navbar-collapse {
    display: flex !important;
    flex-grow: 1 !important;
    width: 100% !important;
    justify-content: center !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none;
    margin-top: 10px;
    padding: 10px;
    background: rgba(11, 42, 62, 0.98);
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 14px 44px rgba(0, 0, 0, 0.38);
    max-height: 72vh;
    overflow-y: auto;
  }
  .navbar-top .navbar-collapse::-webkit-scrollbar {
    display: none;
  }

  .navbar-top .navbar-nav {
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    white-space: nowrap !important;
    margin-left: 0 !important;
    padding: 0 10px !important;
  }
  .navbar-top .nav-link {
    padding: 6px 12px !important;
    font-size: 14px !important;
    display: flex;
    align-items: center;
    border-radius: 10px;
    margin-bottom: 2px;
  }
  .navbar-top .navbar-toggler {
    padding: 8px 10px;
    border-radius: 10px;
    outline: none;
    transition: box-shadow 0.2s ease;
  }
  .navbar-top .navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.25) !important;
  }
  .navbar-top .navbar-toggler[aria-expanded="true"] {
    background: rgba(255, 255, 255, 0.12);
  }
}

/* ============================================================
     十七、媒体查询：手机 ≤767.98px
     ============================================================ */
@media (max-width: 767.98px) {
  /* Hero */
  .hero-section {
    min-height: auto !important;
    padding: 44px 0 96px !important;
  }
  .hero-section h1 {
    font-size: 2.1rem !important;
    line-height: 1.28 !important;
    letter-spacing: 0 !important;
    margin-bottom: 14px !important;
  }
  .hero-section h1 .highlight-gold::after {
    height: 4px !important;
    bottom: 2px !important;
  }
  .hero-section .subtitle {
    font-size: 1rem !important;
    line-height: 1.75 !important;
    padding: 0 10px !important;
  }
  .hero-section .ring {
    width: 260px !important;
    height: 260px !important;
  }
  .city-skyline {
    height: 90px !important;
  }

  /* 通用卡片 */
  .section-card {
    border-radius: 16px !important;
    margin-bottom: 24px !important;
  }
  .section-header {
    padding: 16px 18px !important;
    gap: 10px !important;
  }
  .section-header h2 {
    font-size: 1.15rem !important;
  }
  .section-header i {
    font-size: 1.4rem !important;
  }
  .section-header::after {
    width: 120px !important;
    height: 120px !important;
  }
  .section-body {
    padding: 18px 16px !important;
  }

  /* 背景介绍 */
  .background-section p,
  .highlight-text p {
    font-size: 0.95rem !important;
    text-align: left !important;
    line-height: 1.85 !important;
  }
  .highlight-text {
    padding: 16px 18px !important;
    margin: 18px 0 !important;
  }

  /* 核心优势 */
  .advantages-grid {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
  }
  .advantage-card {
    border-radius: 16px !important;
  }
  .advantage-card .card-top {
    padding: 18px 16px 14px !important;
    gap: 12px !important;
  }
  .advantage-card .card-icon {
    width: 44px !important;
    height: 44px !important;
    font-size: 1.3rem !important;
    border-radius: 12px !important;
  }
  .advantage-card .card-title-wrap h3 {
    font-size: 1.05rem !important;
    line-height: 1.4 !important;
    padding-right: 44px !important;
  }
  .advantage-card .card-title-wrap .sub-tag {
    font-size: 0.84rem !important;
  }
  .advantage-card .card-number {
    font-size: 1.9rem !important;
    top: 8px !important;
    right: 12px !important;
  }
  .advantage-card .card-body-text {
    padding: 0 16px 18px !important;
  }
  .advantage-card .card-body-text p {
    font-size: 0.92rem !important;
    line-height: 1.85 !important;
    text-indent: 0 !important;
  }
  .advantage-card .card-body-text img {
    margin: 12px auto !important;
    border-radius: 10px !important;
  }

  /* 合作企业：列表两列网格，右侧图片在下方 */
  .partner-container {
    flex-direction: column !important;
    gap: 16px !important;
  }
  .partner-left {
    flex: 1 1 auto !important;
    width: 100% !important;
  }
  .partner-list {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 8px !important;
  }
  .partner-list li {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    font-size: 0.9rem !important;
    line-height: 1.3 !important;
    padding: 10px 8px !important;
    min-height: 48px !important;
    border-radius: 10px !important;
    background: #f4f7fb !important;
    border: 1px solid #e6edf5 !important;
    border-left: 1px solid #e6edf5 !important;
    overflow-wrap: break-word !important;
    word-break: normal !important;
    -webkit-tap-highlight-color: transparent !important;
  }
  .partner-list li.active {
    background: #eaf4fb !important;
    border-color: #2980b9 !important;
    color: #1a5276 !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 14px rgba(41, 128, 185, 0.15) !important;
  }
  .partner-right {
    width: 100% !important;
    min-height: 0 !important;
    position: relative !important;
    padding: 0 !important;
    background: transparent !important;
    border-radius: 0 !important;
    overflow: visible !important;
  }
  .partner-info-panel {
    position: relative !important;
    inset: auto !important;
    display: none !important;
    opacity: 1 !important;
    transform: none !important;
    padding: 0 !important;
    background: transparent !important;
    border-radius: 12px !important;
    pointer-events: auto !important;
  }
  .partner-info-panel.active {
    display: block !important;
  }
  .partner-info-panel img {
    width: 100% !important;
    height: auto !important;
    min-height: 0 !important;
    object-fit: contain !important; /* 完整显示不裁剪 */
    border-radius: 12px !important;
  }

  /* 合作流程 */
  .step-list .step-item {
    flex-direction: column !important;
    gap: 4px !important;
    padding: 14px 16px !important;
    border-left-width: 4px !important;
    margin-bottom: 12px !important;
  }
  .step-list .step-item .step-num {
    font-size: 1.5rem !important;
    min-width: auto !important;
    text-align: left !important;
    opacity: 0.5 !important;
  }
  .step-list .step-item .step-content h4 {
    font-size: 1rem !important;
  }
  .step-list .step-item .step-content p {
    font-size: 0.9rem !important;
    line-height: 1.8 !important;
  }

  /* FAQ */
  .faq-list {
    gap: 12px !important;
  }
  .faq-item {
    padding: 14px 16px !important;
    border-left-width: 4px !important;
  }
  .faq-item .faq-q {
    font-size: 0.98rem !important;
    gap: 8px !important;
    align-items: flex-start !important;
    line-height: 1.5 !important;
  }
  .faq-item .faq-q i {
    font-size: 1.1rem !important;
    margin-top: 2px !important;
    flex-shrink: 0 !important;
  }
  .faq-item .faq-a {
    padding-left: 0 !important;
    font-size: 0.9rem !important;
    line-height: 1.8 !important;
  }

  /* CTA */
  .cta-section {
    padding: 32px 18px !important;
    margin: 20px 0 !important;
    border-radius: 16px !important;
  }
  .cta-section h2 {
    font-size: 1.4rem !important;
    line-height: 1.4 !important;
  }
  .cta-section p {
    font-size: 0.95rem !important;
    line-height: 1.7 !important;
  }
  .btn-custom {
    display: block !important;
    width: 100% !important;
    max-width: 320px !important;
    margin: 10px auto !important;
    padding: 13px 18px !important;
    font-size: 0.95rem !important;
    min-height: 46px !important;
    -webkit-tap-highlight-color: transparent !important;
  }
  .btn-custom:hover,
  .btn-custom.active:hover {
    transform: none !important;
  }

  /* 表格 */
  .cooperation-table {
    font-size: 0.82rem;
  }
  .cooperation-table th {
    padding: 10px 14px;
  }
  .cooperation-table td {
    padding: 10px 14px;
  }
  .cooperation-table td:first-child {
    width: 32%;
  }
  .fee-card {
    padding: 20px;
    margin-top: 20px;
  }

  /* 返回顶部 */
  .back-to-top {
    width: 46px !important;
    height: 46px !important;
    right: 16px !important;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px)) !important;
  }
  .back-to-top i {
    font-size: 1.35rem !important;
  }

  /* 降低动画位移 */
  .fade-in {
    transform: translateY(20px) !important;
  }
  .fade-in.visible {
    transform: translateY(0) !important;
  }
}

/* ============================================================
     十八、媒体查询：小屏 ≤479.98px
     ============================================================ */
@media (max-width: 479.98px) {
  .hero-section {
    padding: 36px 0 80px !important;
  }
  .hero-section h1 {
    font-size: 1.7rem !important;
  }
  .hero-section .subtitle {
    font-size: 0.9rem !important;
  }
  .city-skyline {
    height: 70px !important;
  }

  .section-header {
    padding: 13px 14px !important;
    gap: 8px !important;
  }
  .section-header h2 {
    font-size: 1.02rem !important;
  }
  .section-header i {
    font-size: 1.25rem !important;
  }
  .section-body {
    padding: 16px 13px !important;
  }

  .partner-list {
    gap: 6px !important;
  }
  .partner-list li {
    font-size: 0.82rem !important;
    padding: 8px 6px !important;
    min-height: 46px !important;
  }
  .partner-info-panel img {
    min-height: 0 !important;
  }

  .advantage-card .card-title-wrap h3 {
    font-size: 0.98rem !important;
  }
  .advantage-card .card-body-text p {
    font-size: 0.88rem !important;
  }

  .faq-item .faq-a {
    font-size: 0.86rem !important;
  }

  .cta-section h2 {
    font-size: 1.2rem !important;
  }
  .btn-custom {
    font-size: 0.9rem !important;
    padding: 12px 16px !important;
  }

  .back-to-top {
    width: 42px !important;
    height: 42px !important;
    right: 12px !important;
  }

  .cooperation-table {
    font-size: 0.75rem;
  }
  .cooperation-table th,
  .cooperation-table td {
    padding: 8px 10px;
  }
  .cooperation-table td:first-child {
    width: 36%;
  }
  .fee-card .fee-content p {
    font-size: 0.88rem;
  }
}

/* ============================================================
     十九、媒体查询：横屏矮屏
     ============================================================ */
@media (max-height: 480px) and (orientation: landscape) {
  .hero-section {
    min-height: auto !important;
    padding: 36px 0 70px !important;
  }
  .hero-section h1 {
    font-size: 1.8rem !important;
  }
  .hero-section .subtitle {
    font-size: 0.95rem !important;
  }
  .city-skyline {
    height: 60px !important;
  }
  .navbar-top .navbar-collapse {
    max-height: 60vh !important;
  }
}

/* ============================================================
     二十、无障碍：减弱动态效果
     ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .fade-in {
    opacity: 1 !important;
    transform: none !important;
  }
}
/* ===== 移动端 banner：完整显示，不裁切 ===== */
@media (max-width: 767.98px) {
  .banner-box {
    height: auto !important;
    overflow: visible !important;
  }
  .banner-box > img {
    width: 100% !important;
    height: auto !important;
    max-height: none !important;
    object-fit: contain !important;
    object-position: center !important;
    display: block !important;
  }
}
