/* ============================================================
   文朗高职单招网 - 主样式表
   色调：国风蓝色 + 金色商务
   ============================================================ */

/* --- 全局变量 --- */
:root {
  --wl-primary:    #1a3263;   /* 深藏蓝·主色 */
  --wl-primary-light: #2c5aa0; /* 亮蓝 */
  --wl-gold:       #c9a96e;   /* 金色·强调色 */
  --wl-gold-light: #f5e6c8;   /* 浅金 */
  --wl-gold-dark:  #a68a4e;   /* 深金 */
  --wl-bg:         #f7f8fa;    /* 页面背景 */
  --wl-white:      #ffffff;
  --wl-text:       #1a1a2e;
  --wl-text-light: #666666;
  --wl-border:     #e8e8e8;
  --wl-shadow:     0 4px 24px rgba(26,50,99,.08);
  --wl-radius:     10px;
  --wl-transition: all .35s cubic-bezier(.4,0,.2,1);
}

/* --- 全局重置 --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  color: var(--wl-text);
  background: var(--wl-bg);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--wl-primary); transition: var(--wl-transition); }
a:hover { color: var(--wl-gold); text-decoration: none; }
img { max-width: 100%; height: auto; }

/* --- 通用工具类 --- */
.wl-section { padding: 80px 0; position: relative; }
.wl-section-title {
  text-align: center;
  margin-bottom: 56px;
}
.wl-section-title h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--wl-primary);
  position: relative;
  display: inline-block;
  padding-bottom: 16px;
}
.wl-section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; transform: translateX(-50%);
  width: 60px; height: 3px;
  background: var(--wl-gold);
  border-radius: 2px;
}
.wl-section-title p {
  color: var(--wl-text-light);
  font-size: 1.05rem;
  margin-top: 12px;
}
.wl-btn-primary {
  background: linear-gradient(135deg, var(--wl-primary) 0%, var(--wl-primary-light) 100%);
  color: var(--wl-white);
  border: none;
  padding: 12px 36px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--wl-transition);
  display: inline-block;
  box-shadow: 0 4px 16px rgba(26,50,99,.25);
}
.wl-btn-primary:hover {
  background: linear-gradient(135deg, var(--wl-gold-dark) 0%, var(--wl-gold) 100%);
  color: var(--wl-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(201,169,110,.35);
}
.wl-btn-gold {
  background: linear-gradient(135deg, var(--wl-gold-dark) 0%, var(--wl-gold) 100%);
  color: var(--wl-white);
  border: none;
  padding: 12px 36px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--wl-transition);
  display: inline-block;
}
.wl-btn-gold:hover {
  background: linear-gradient(135deg, var(--wl-primary) 0%, var(--wl-primary-light) 100%);
  color: var(--wl-white);
  transform: translateY(-2px);
}
.wl-btn-outline {
  background: transparent;
  color: var(--wl-white);
  border: 2px solid var(--wl-white);
  padding: 10px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--wl-transition);
  display: inline-block;
}
.wl-btn-outline:hover {
  background: var(--wl-white);
  color: var(--wl-primary);
}

/* ============================================================
   ① 导航栏
   ============================================================ */
.wl-navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 999;
  padding: 16px 0;
  transition: var(--wl-transition);
  background: transparent;
}
.wl-navbar.scrolled {
  background: rgba(26,50,99,.97);
  padding: 10px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,.15);
  backdrop-filter: blur(10px);
}
.wl-navbar .navbar-brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--wl-white) !important;
  letter-spacing: 2px;
}
.wl-navbar .navbar-brand span { color: var(--wl-gold); }
.wl-navbar .nav-link {
  color: rgba(255,255,255,.85) !important;
  font-weight: 500;
  font-size: .95rem;
  padding: 8px 16px !important;
  margin: 0 2px;
  border-radius: 6px;
  transition: var(--wl-transition);
}
.wl-navbar .nav-link:hover,
.wl-navbar .nav-link.active {
  color: var(--wl-white) !important;
  background: rgba(201,169,110,.2);
}
.wl-navbar .nav-link.btn-nav-register {
  background: var(--wl-gold) !important;
  color: var(--wl-white) !important;
  border-radius: 50px;
  padding: 8px 24px !important;
  margin-left: 8px;
}
.wl-navbar .nav-link.btn-nav-register:hover {
  background: var(--wl-gold-dark) !important;
}
.navbar-toggler { border-color: rgba(255,255,255,.4); }
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ============================================================
   ② 首屏 Banner
   ============================================================ */
.wl-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0d1b3e 0%, #1a3263 40%, #2c5aa0 100%);
}
.wl-hero::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  background: url('../images/banner_bg.svg') center/cover no-repeat;
  opacity: .12;
  z-index: 0;
}
.wl-hero::after {
  content: '';
  position: absolute; bottom: -2px; left: 0;
  width: 100%; height: 120px;
  background: var(--wl-bg);
  clip-path: ellipse(75% 100% at 50% 100%);
  z-index: 1;
}
.wl-hero .container { position: relative; z-index: 2; }
.wl-hero-content { color: var(--wl-white); }
.wl-hero-content h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.wl-hero-content h1 .gold-text { color: var(--wl-gold); }
.wl-hero-content p {
  font-size: 1.2rem;
  color: rgba(255,255,255,.8);
  margin-bottom: 36px;
  max-width: 540px;
}
.wl-hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.wl-hero-img {
  text-align: center;
  position: relative;
}
.wl-hero-img img {
  max-height: 480px;
  filter: drop-shadow(0 20px 60px rgba(0,0,0,.35));
}
.wl-hero-stats {
  display: flex; gap: 40px; margin-top: 48px; flex-wrap: wrap;
}
.wl-hero-stats .stat-item {
  text-align: center;
}
.wl-hero-stats .stat-item .stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--wl-gold);
  line-height: 1;
}
.wl-hero-stats .stat-item .stat-label {
  font-size: .9rem;
  color: rgba(255,255,255,.7);
  margin-top: 4px;
}

/* ============================================================
   ③ 六大主营产品板块
   ============================================================ */
.wl-products { background: var(--wl-white); }
.wl-product-card {
  background: var(--wl-white);
  border-radius: var(--wl-radius);
  box-shadow: var(--wl-shadow);
  padding: 40px 32px;
  height: 100%;
  transition: var(--wl-transition);
  border: 1px solid var(--wl-border);
  position: relative;
  overflow: hidden;
}
.wl-product-card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--wl-primary), var(--wl-gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--wl-transition);
}
.wl-product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(26,50,99,.15);
}
.wl-product-card:hover::before { transform: scaleX(1); }
.wl-product-icon {
  width: 72px; height: 72px;
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
  font-size: 2rem;
  background: linear-gradient(135deg, rgba(26,50,99,.08), rgba(201,169,110,.15));
  color: var(--wl-primary);
}
.wl-product-card h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--wl-primary);
  margin-bottom: 12px;
}
.wl-product-card p {
  color: var(--wl-text-light);
  font-size: .95rem;
  line-height: 1.7;
}
.wl-product-card .product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--wl-gold-dark);
  font-weight: 600;
  font-size: .9rem;
  margin-top: 16px;
}
.wl-product-card .product-link:hover { gap: 10px; }

/* 产品详情区域 */
.wl-product-detail {
  padding: 100px 0;
  border-bottom: 1px solid var(--wl-border);
}
.wl-product-detail:nth-child(even) { background: var(--wl-bg); }
.wl-product-detail .product-img-wrap {
  border-radius: var(--wl-radius);
  overflow: hidden;
  box-shadow: var(--wl-shadow);
}
.wl-product-detail .product-info h3 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--wl-primary);
  margin-bottom: 16px;
}
.wl-product-detail .product-info .sub-title {
  color: var(--wl-gold-dark);
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 20px;
}
.wl-product-detail .product-info p {
  color: var(--wl-text-light);
  line-height: 1.8;
}
.wl-class-grid { margin-top: 32px; }
.wl-class-card {
  background: var(--wl-bg);
  border-radius: var(--wl-radius);
  overflow: hidden;
  box-shadow: var(--wl-shadow);
  transition: var(--wl-transition);
  height: 100%;
}
.wl-class-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(26,50,99,.12);
}
.wl-class-card .class-img {
  height: 200px;
  background: linear-gradient(135deg, var(--wl-primary), var(--wl-primary-light));
  display: flex; align-items: center; justify-content: center;
  color: var(--wl-white);
  font-size: 3rem;
}
.wl-class-card .class-body { padding: 24px; }
.wl-class-card .class-body h5 {
  font-weight: 700; color: var(--wl-primary); margin-bottom: 10px;
}
.wl-class-card .class-body .class-price {
  color: var(--wl-gold-dark);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 12px;
}
.wl-class-card .class-body ul {
  list-style: none; padding: 0; margin: 0;
}
.wl-class-card .class-body ul li {
  padding: 4px 0;
  color: var(--wl-text-light);
  font-size: .9rem;
}
.wl-class-card .class-body ul li::before {
  content: '✓'; color: var(--wl-gold); font-weight: bold; margin-right: 8px;
}

/* ============================================================
   ④ 品牌发展历程
   ============================================================ */
.wl-timeline { background: var(--wl-bg); }
.wl-timeline-wrap {
  position: relative;
  padding: 20px 0;
}
.wl-timeline-wrap::before {
  content: '';
  position: absolute; top: 0; left: 50%;
  width: 3px; height: 100%;
  background: linear-gradient(180deg, var(--wl-primary), var(--wl-gold), var(--wl-primary));
  transform: translateX(-50%);
  border-radius: 2px;
}
.wl-timeline-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 48px;
  position: relative;
}
.wl-timeline-item:nth-child(odd) { flex-direction: row; }
.wl-timeline-item:nth-child(even) { flex-direction: row-reverse; }
.wl-timeline-dot {
  position: absolute;
  left: 50%; top: 20px;
  transform: translateX(-50%);
  width: 18px; height: 18px;
  background: var(--wl-gold);
  border: 3px solid var(--wl-primary);
  border-radius: 50%;
  z-index: 2;
  box-shadow: 0 0 0 6px rgba(201,169,110,.2);
}
.wl-timeline-content {
  width: 44%;
  background: var(--wl-white);
  padding: 28px;
  border-radius: var(--wl-radius);
  box-shadow: var(--wl-shadow);
  position: relative;
}
.wl-timeline-item:nth-child(odd) .wl-timeline-content { margin-right: auto; }
.wl-timeline-item:nth-child(even) .wl-timeline-content { margin-left: auto; }
.wl-timeline-content .year-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--wl-primary), var(--wl-primary-light));
  color: var(--wl-gold);
  padding: 4px 16px;
  border-radius: 50px;
  font-weight: 700;
  font-size: .9rem;
  margin-bottom: 12px;
}
.wl-timeline-content h4 {
  font-weight: 700; color: var(--wl-primary); margin-bottom: 8px;
}
.wl-timeline-content p { color: var(--wl-text-light); font-size: .95rem; }

/* ============================================================
   ⑤ 师资力量板块
   ============================================================ */
.wl-teachers { background: var(--wl-white); }
.wl-teacher-card {
  background: var(--wl-bg);
  border-radius: var(--wl-radius);
  overflow: hidden;
  box-shadow: var(--wl-shadow);
  transition: var(--wl-transition);
  height: 100%;
  text-align: center;
}
.wl-teacher-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(26,50,99,.15);
}
.wl-teacher-avatar {
  height: 220px;
  background: linear-gradient(135deg, var(--wl-primary) 0%, var(--wl-primary-light) 100%);
  display: flex; align-items: center; justify-content: center;
  color: var(--wl-white);
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}
.wl-teacher-avatar img {
  width: 100%; height: 100%; object-fit: cover;
}
.wl-teacher-card .teacher-body { padding: 24px 20px; }
.wl-teacher-card .teacher-body h5 {
  font-weight: 700; color: var(--wl-primary); margin-bottom: 4px;
}
.wl-teacher-card .teacher-body .teacher-title {
  color: var(--wl-gold-dark);
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.wl-teacher-card .teacher-body .teacher-years {
  font-size: .8rem; color: var(--wl-text-light); margin-bottom: 8px;
}
.wl-teacher-card .teacher-body p {
  font-size: .88rem; color: var(--wl-text-light); line-height: 1.6;
}

/* ============================================================
   ⑥ 学员录取案例板块
   ============================================================ */
.wl-cases { background: var(--wl-bg); }
/* 实景案例区 */
.wl-case-card {
  background: var(--wl-white);
  border-radius: var(--wl-radius);
  overflow: hidden;
  box-shadow: var(--wl-shadow);
  transition: var(--wl-transition);
  height: 100%;
}
.wl-case-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(26,50,99,.12);
}
.wl-case-img {
  height: 200px;
  background: linear-gradient(135deg, var(--wl-primary-light), var(--wl-gold));
  display: flex; align-items: center; justify-content: center;
  color: var(--wl-white);
  font-size: 3rem;
  position: relative;
}
.wl-case-img img { width: 100%; height: 100%; object-fit: cover; }
.wl-case-body { padding: 20px; }
.wl-case-body .case-school {
  color: var(--wl-primary);
  font-weight: 700;
  font-size: .95rem;
  margin-bottom: 4px;
}
.wl-case-body .case-major {
  color: var(--wl-gold-dark);
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.wl-case-body .case-score {
  font-size: .82rem; color: var(--wl-text-light); margin-bottom: 8px;
}
.wl-case-body .case-testimonial {
  font-size: .88rem; color: var(--wl-text-light);
  font-style: italic;
  border-left: 3px solid var(--wl-gold);
  padding-left: 12px;
}

/* 滚动名单区 */
.wl-scroll-section {
  background: linear-gradient(135deg, var(--wl-primary) 0%, #0d1b3e 100%);
  padding: 60px 0;
  margin-top: 60px;
  border-radius: var(--wl-radius);
  overflow: hidden;
  position: relative;
}
.wl-scroll-section::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  z-index: 0;
}
.wl-scroll-section .container { position: relative; z-index: 1; }
.wl-scroll-title {
  text-align: center;
  color: var(--wl-gold);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 32px;
}
.wl-scroll-wrap {
  overflow: hidden;
  white-space: nowrap;
  position: relative;
  margin-bottom: 16px;
}
.wl-scroll-wrap:last-child { margin-bottom: 0; }
.wl-scroll-track {
  display: inline-flex;
  /* 动画速度和颜色由 JS 动态设置 */
}
.wl-scroll-track.paused { animation-play-state: paused; }
.wl-scroll-item {
  display: inline-block;
  padding: 12px 32px;
  margin: 0 8px;
  background: rgba(255,255,255,.08);
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 500;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(201,169,110,.2);
  white-space: nowrap;
}
.wl-scroll-item .name { font-weight: 700; margin-right: 12px; }
@keyframes scrollNames {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   ⑦ 底部联系 & 版权
   ============================================================ */
/* ============================================================
   社交媒体二维码专区
   ============================================================ */
.wl-qrcode-section {
  background: var(--wl-section-bg, #f7f8fa);
  padding: 80px 0;
}
.wl-qrcode-section .wl-section-title h2 {
  color: var(--wl-title, #1a3263);
}
.wl-qrcode-section .wl-section-title p {
  color: #666;
}
.qr-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 4px 24px rgba(26,50,99,.08);
  transition: .35s;
  height: 100%;
}
.qr-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(26,50,99,.15);
}
.qr-card .qr-img-wrap {
  width: 180px;
  height: 180px;
  margin: 0 auto 18px;
  border-radius: 12px;
  overflow: hidden;
  background: #f7f8fa;
  display: flex;
  align-items: center;
  justify-content: center;
}
.qr-card .qr-img-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.qr-card .qr-label {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--wl-title, #1a3263);
  margin-bottom: 6px;
}
.qr-card .qr-desc {
  font-size: .88rem;
  color: #888;
}


.wl-footer {
  background: #0d1b3e;
  color: rgba(255,255,255,.7);
  padding: 60px 0 0;
}
.wl-footer h5 {
  color: var(--wl-white);
  font-weight: 700;
  margin-bottom: 20px;
  font-size: 1.1rem;
}
.wl-footer p, .wl-footer li {
  font-size: .92rem;
  line-height: 1.8;
}
.wl-footer ul { list-style: none; padding: 0; }
.wl-footer ul li { padding: 4px 0; }
.wl-footer ul li a { color: rgba(255,255,255,.7); }
.wl-footer ul li a:hover { color: var(--wl-gold); }
.wl-footer .footer-contact i {
  color: var(--wl-gold);
  margin-right: 8px;
  width: 20px;
  text-align: center;
}
.wl-footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  margin-top: 40px;
  text-align: center;
  font-size: .85rem;
}
.wl-footer-bottom a { color: var(--wl-gold); }

/* ============================================================
   报名页面专用样式
   ============================================================ */
.wl-register-hero {
  background: linear-gradient(135deg, #0d1b3e 0%, var(--wl-primary) 100%);
  padding: 140px 0 80px;
  color: var(--wl-white);
  text-align: center;
}
.wl-register-hero h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: 12px; }
.wl-register-hero p { color: rgba(255,255,255,.8); font-size: 1.1rem; }
.wl-register-form-wrap {
  max-width: 640px;
  margin: -50px auto 60px;
  position: relative;
  z-index: 10;
}
.wl-register-form {
  background: var(--wl-white);
  border-radius: 16px;
  box-shadow: 0 12px 48px rgba(26,50,99,.12);
  padding: 48px 40px;
}
.wl-register-form .form-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--wl-primary);
  margin-bottom: 32px;
}
.wl-form-group { margin-bottom: 24px; }
.wl-form-group label {
  display: block;
  font-weight: 600;
  color: var(--wl-text);
  margin-bottom: 8px;
  font-size: .95rem;
}
.wl-form-group label .required { color: #e74c3c; margin-left: 4px; }
.wl-form-group input,
.wl-form-group select,
.wl-form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--wl-border);
  border-radius: 10px;
  font-size: .95rem;
  transition: var(--wl-transition);
  background: var(--wl-bg);
  color: var(--wl-text);
}
.wl-form-group input:focus,
.wl-form-group select:focus,
.wl-form-group textarea:focus {
  outline: none;
  border-color: var(--wl-primary);
  background: var(--wl-white);
  box-shadow: 0 0 0 4px rgba(26,50,99,.08);
}
.wl-form-group textarea { min-height: 120px; resize: vertical; }
.wl-form-submit {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--wl-primary) 0%, var(--wl-primary-light) 100%);
  color: var(--wl-white);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--wl-transition);
}
.wl-form-submit:hover {
  background: linear-gradient(135deg, var(--wl-gold-dark) 0%, var(--wl-gold) 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,169,110,.3);
}
.wl-form-submit:disabled {
  opacity: .6; cursor: not-allowed; transform: none !important;
}
.wl-form-message {
  padding: 12px 20px;
  border-radius: 10px;
  margin-bottom: 20px;
  font-size: .92rem;
  display: none;
}
.wl-form-message.success {
  background: #e8f8f0; color: #1a7d4e; border: 1px solid #a3e4c0;
  display: block;
}
.wl-form-message.error {
  background: #fde8e8; color: #c0392b; border: 1px solid #f5b7b1;
  display: block;
}

/* ============================================================
   返回顶部
   ============================================================ */
.wl-back-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 48px; height: 48px;
  background: var(--wl-primary);
  color: var(--wl-white);
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--wl-transition);
  z-index: 999;
  box-shadow: 0 4px 16px rgba(26,50,99,.3);
}
.wl-back-top.show { opacity: 1; visibility: visible; }
.wl-back-top:hover {
  background: var(--wl-gold);
  transform: translateY(-4px);
}

/* ============================================================
   数字滚动动画
   ============================================================ */
.wl-counter, .stat-num.counter { font-size: 2.5rem; font-weight: 800; color: var(--wl-gold); }

/* ============================================================
   响应式适配
   ============================================================ */
@media (max-width: 991.98px) {
  .wl-hero-content h1 { font-size: 2.2rem; }
  .wl-hero { min-height: auto; padding: 120px 0 80px; }
  .wl-hero-img { margin-top: 40px; }
  .wl-timeline-wrap::before { left: 20px; }
  .wl-timeline-dot { left: 20px; }
  .wl-timeline-item,
  .wl-timeline-item:nth-child(even) { flex-direction: row !important; padding-left: 50px; }
  .wl-timeline-content { width: 100%; }
  .wl-section { padding: 60px 0; }
}
@media (max-width: 767.98px) {
  .wl-hero-content h1 { font-size: 1.8rem; }
  .wl-hero-stats { gap: 20px; }
  .wl-hero-stats .stat-item .stat-num { font-size: 1.6rem; }
  .wl-section-title h2 { font-size: 1.5rem; }
  .wl-register-form { padding: 32px 24px; }
  .wl-register-hero h1 { font-size: 1.8rem; }
  .wl-scroll-item { font-size: .85rem; padding: 8px 20px; }
  .wl-navbar .nav-link.btn-nav-register { margin-left: 0; margin-top: 8px; display: inline-block; }
}
@media (max-width: 575.98px) {
  .wl-hero-btns { flex-direction: column; }
  .wl-hero-btns .wl-btn-primary,
  .wl-hero-btns .wl-btn-outline { width: 100%; text-align: center; }
  .wl-product-detail .row { flex-direction: column; }
  .wl-product-detail:nth-child(even) .row { flex-direction: column-reverse !important; }
}

/* ============================================================
   加载动画
   ============================================================ */
.wl-fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .6s ease, transform .6s ease;
}
.wl-fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.wl-fade-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity .6s ease, transform .6s ease;
}
.wl-fade-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.wl-fade-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity .6s ease, transform .6s ease;
}
.wl-fade-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ============================================================
   社交媒体二维码专区
   ============================================================ */
.wl-qrcode-section {
  background: var(--wl-section-bg, #f7f8fa);
  padding: 80px 0;
}
.wl-qrcode-section .wl-section-title h2 {
  color: var(--wl-title, #1a3263);
}
.wl-qrcode-section .wl-section-title p {
  color: #666;
}
.qr-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 4px 24px rgba(26,50,99,.08);
  transition: .35s;
  height: 100%;
}
.qr-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(26,50,99,.15);
}
.qr-card .qr-img-wrap {
  width: 180px;
  height: 180px;
  margin: 0 auto 18px;
  border-radius: 12px;
  overflow: hidden;
  background: #f7f8fa;
  display: flex;
  align-items: center;
  justify-content: center;
}
.qr-card .qr-img-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.qr-card .qr-label {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--wl-title, #1a3263);
  margin-bottom: 6px;
}
.qr-card .qr-desc {
  font-size: .88rem;
  color: #888;
}