:root {
    --hero-overlay-start: rgba(17, 24, 39, 0.82);
    --hero-overlay-mid: rgba(15, 23, 42, 0.76);
    --hero-overlay-end: rgba(31, 41, 55, 0.7);
    --hero-glow: rgba(255, 255, 255, 0.18);
    --surface-bg: #f6f7fb;
    --surface-muted: #eef0f5;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --accent: #49bcf6;
    --accent-hover: #3aa9e4;
    --accent-soft: #49bcf6;
}

/* Custom styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* Global styles */
body {
    font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.65;
    color: var(--text-primary);
    background: var(--surface-bg);
    font-weight: 400;
    letter-spacing: 0;
}

.bg-primary {
    background-color: var(--accent) !important;
}

.text-primary {
    color: var(--accent) !important;
}

.bg-light {
    background-color: #ffffff !important;
}

section {
    background-color: transparent;
}

section.py-5:nth-of-type(even) {
    background: var(--surface-muted);
}

/* Hero area */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, rgba(73, 188, 246, 0.95) 0%, rgba(73, 188, 246, 0.78) 45%, rgba(160, 210, 255, 0.75) 100%);
    min-height: 62vh;
    display: flex;
    align-items: center;
    color: #ffffff;
    overflow: hidden;
}

.hero-section h1,
.hero-section p,
.hero-section .lead {
    color: #0f172a;
}

.hero-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 30%, rgba(255,255,255,0.25), transparent 55%),
                radial-gradient(circle at 80% 70%, rgba(255,255,255,0.18), transparent 50%);
    pointer-events: none;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-section::after {
    display: none;
}

.hero-section .btn-light {
    background: #ffffff;
    color: var(--text-primary);
    border: none;
    font-weight: 600;
    padding: 0.65rem 1.6rem;
    box-shadow: 0 12px 26px rgba(17, 24, 39, 0.18);
}

.hero-section .btn-light:hover {
    background: #f3f4f6;
    color: var(--text-primary);
}

.hero-section .btn-outline-light {
    border: 1.6px solid rgba(255,255,255,0.75);
    color: #ffffff;
    font-weight: 600;
    padding: 0.65rem 1.6rem;
}

.hero-section .btn-outline-light:hover {
    background: rgba(255,255,255,0.2);
    border-color: #ffffff;
}

/* 导航栏样式 */
.navbar-brand {
    font-weight: bold;
    font-size: 1.2rem;
}

/* Logo样式 - 整洁统一的设计 */
.logo-container {
    width: 28px;
    height: 28px;
    border: 2px solid #003366;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    margin-right: 10px;
    box-shadow: 0 2px 4px rgba(0, 51, 102, 0.1);
    transition: all 0.3s ease;
}

.logo-container:hover {
    border-color: #001a33;
    box-shadow: 0 4px 8px rgba(0, 51, 102, 0.15);
    transform: translateY(-1px);
}

.logo-image {
    width: 20px;
    height: 20px;
    object-fit: contain;
    display: block;
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: #003366;
    letter-spacing: 0.5px;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: #fff !important;
}

.navbar-custom-style .navbar-brand,
.navbar-custom-style .nav-link {
    color: #003366 !important; /* 深蓝色 */
    transition: color 0.3s ease;
    font-size: 0.95rem; /* Further reduced for better proportion */
    margin-right: 18px; /* Optimized space between nav items */
    letter-spacing: 0.2px; /* Subtle letter spacing */
}

.navbar-custom-style .nav-item {
    padding: 0 10px; /* Add horizontal padding to nav items */
}

.navbar-custom-style .nav-link:hover {
    color: #001a33 !important; /* 更深的蓝色 */
}

/* 卡片样式 */
.card {
    background: #ffffff;
    border-radius: 14px;
    border: 1px solid rgba(15,23,42,0.08);
    box-shadow: 0 16px 40px rgba(15,23,42,0.08);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 55px rgba(15,23,42,0.12);
}

.card-header {
    border-radius: 10px 10px 0 0 !important;
    border: none;
}

/* 按钮样式 */
.btn {
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, rgba(73,188,246,0.8) 100%);
    border: none;
    color: #ffffff;
    font-weight: 600;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent) 100%);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(73,188,246,0.25);
}

.btn-outline-secondary {
    border-radius: 24px;
}

/* 图标样式 */
.fa-3x, .fa-4x, .fa-6x {
    transition: transform 0.3s ease;
}

.card:hover .fa-3x,
.card:hover .fa-4x,
.card:hover .fa-6x {
    transform: scale(1.1);
}

/* 徽章样式 */
.badge {
    font-size: 0.8rem;
    padding: 0.5em 1em;
    border-radius: 20px;
}

/* 表单样式 */
.form-control, .form-select {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,0.25);
}

/* 页脚样式 */
footer {
    background: linear-gradient(180deg, #111827 0%, #0b1120 100%);
    color: rgba(229,231,235,0.82);
}

footer a {
    color: rgba(229,231,235,0.84);
}

footer a:hover {
    color: #ffffff !important;
}

a {
    color: var(--accent);
}

a:hover {
    color: var(--accent-hover);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-section {
        min-height: 40vh;
        text-align: center;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .display-5 {
        font-size: 2rem;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 搜索框样式 */
.search-box {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

/* 产品卡片特殊样式 */
.product-card {
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.product-card:hover::before {
    left: 100%;
}

/* 技术规格表格样式 */
.list-group-item {
    border: none;
    border-bottom: 1px solid #e9ecef;
    padding: 1rem 0;
}

.list-group-item:last-child {
    border-bottom: none;
}

/* 联系表单样式 */
.contact-form {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 30px;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #007bff;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0056b3;
}

/* DRAM 筛选区美化 */
.dram-filter-card {
  background: #fff;
  border-radius: 0;
  box-shadow: 0 4px 24px rgba(44,62,80,0.10);
  padding: 40px 40px 32px 40px;
  margin-bottom: 40px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  border: none;
}
.tab-row {
  display: flex;
  gap: 18px;
  margin-bottom: 12px;
  justify-content: center;
}
.tab-btn {
  border: none;
  outline: none;
  padding: 14px 38px;
  border-radius: 22px;
  font-size: 1.15rem;
  font-weight: 700;
  background: #f4f6fa;
  color: #2d3a8c;
  cursor: pointer;
  transition: all 0.18s;
  letter-spacing: 0.5px;
  box-shadow: 0 1px 4px rgba(44,62,80,0.04);
}
.tab-btn.selected {
  color: #fff;
  box-shadow: 0 2px 12px rgba(44,62,80,0.13);
  transform: scale(1.06);
}
.app-btn[data-app="Server"].selected { background: #2d3a8c; }
.app-btn[data-app="PC"].selected { background: #27ae60; }
.app-btn[data-app="Networking"].selected { background: #f2994a; }
.app-btn[data-app="Server"]:not(.selected) { color: #2d3a8c; }
.app-btn[data-app="PC"]:not(.selected) { color: #27ae60; }
.app-btn[data-app="Networking"]:not(.selected) { color: #f2994a; }
.module-btn[data-module="DDR4 Module"].selected { background: #6c7a89; }
.module-btn[data-module="DDR5 Module"].selected { background: #00aeef; }
.module-btn[data-module="DDR4 Module"]:not(.selected) { color: #6c7a89; }
.module-btn[data-module="DDR5 Module"]:not(.selected) { color: #00aeef; }
.tab-btn:hover:not(.selected) {
  background: #e9ecf3;
  transform: scale(1.04);
}
.filter-section, .dram-filter-card .row.g-4 {
  margin-top: 18px;
}
.dram-filter-card .form-check-input:checked {
  background-color: #2d3a8c;
  border-color: #2d3a8c;
}
.dram-filter-card .form-check-input:focus {
  box-shadow: 0 0 0 0.15rem rgba(44,62,80,0.13);
}
.dram-filter-card .form-check-label {
  font-weight: 500;
  color: #222;
}
.dram-filter-card .fw-bold.mb-2 {
  color: #6c7a89;
  font-size: 1.05rem;
}
.dram-filter-card .btn-outline-secondary {
  border-radius: 18px;
  font-weight: 600;
  padding: 4px 18px;
}
@media (max-width: 900px) {
  .dram-filter-card { padding: 18px 6px 12px 6px; }
  .tab-btn { padding: 10px 16px; font-size: 1rem; }
}

/* =====================
   DRAM筛选器商务美化增强
   ===================== */

/* 标题区美化 */
.dram-title-area {
  text-align: center;
  margin-top: 0;
  margin-bottom: 0px;
}
.dram-title-area h2, .dram-title-area .main-title {
  font-size: 2.4rem;
  font-weight: 800;
  color: #222;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
}
.dram-title-area .subtitle {
  color: #7b8794;
  font-size: 1.08rem;
  font-weight: 400;
  margin-bottom: 0px;
}

/* 标题和筛选区分割线 */
.dram-title-divider {
  border: none;
  border-top: 2px solid #e5e7eb;
  margin: 32px auto 36px auto;
  width: 100%;
  max-width: 700px;
}

/* 筛选卡片增强 */
.dram-filter-card {
  background: #fff;
  border-radius: 0;
  box-shadow: 0 6px 32px rgba(44,62,80,0.13);
  padding: 44px 40px 32px 40px;
  margin-bottom: 36px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  border: 1.5px solid #e5e7eb;
}

/* 按钮增强 */
.tab-btn, .app-btn, .module-btn {
  border-radius: 0 !important;
  font-weight: 700 !important;
  font-size: 1.13rem !important;
  min-width: 120px;
  padding: 13px 36px !important;
  border: 1.5px solid #e5e7eb !important;
  background: #f4f6fa !important;
  color: #2d3a8c !important;
  box-shadow: 0 1px 6px rgba(44,62,80,0.06);
  transition: all 0.18s;
}
.tab-btn.selected, .app-btn.selected, .module-btn.selected {
  color: #fff !important;
  box-shadow: 0 2px 16px rgba(44,62,80,0.15);
  transform: scale(1.07);
}

/* 选项卡 hover 效果 */
.tab-btn:hover:not(.selected), .app-btn:hover:not(.selected), .module-btn:hover:not(.selected) {
  background: #e9ecf3 !important;
  color: #1a2440 !important;
  transform: scale(1.04);
}

/* 筛选区表单分组标题 */
.dram-filter-card .fw-bold.mb-2 {
  color: #3d4857;
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 8px;
}

/* 筛选区表单选项 */
.dram-filter-card .form-check-label {
  font-weight: 500;
  color: #222;
  font-size: 1.01rem;
}

/* 搜索结果与按钮区美化 */
.dram-filter-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 18px;
  padding: 0 8px;
}
.dram-filter-footer .result-count {
  font-size: 1.08rem;
  color: #2d3a8c;
  font-weight: 600;
}
.dram-filter-footer .btn-outline-secondary {
  border-radius: 16px;
  font-weight: 600;
  padding: 4px 18px;
  border: 1.5px solid #b0b7c3;
  color: #6c7a89;
  background: #fff;
  transition: all 0.18s;
}
.dram-filter-footer .btn-outline-secondary:hover {
  background: #f4f6fa;
  color: #2d3a8c;
  border-color: #2d3a8c;
}

/* 响应式优化 */
@media (max-width: 900px) {
  .dram-title-area { margin-top: 24px; }
  .dram-filter-card { padding: 18px 6px 12px 6px; }
  .tab-btn, .app-btn, .module-btn { padding: 10px 12px !important; font-size: 1rem !important; min-width: 80px; }
}

/* =====================
   END DRAM筛选器商务美化增强
   ===================== */

/* 提升筛选器标题可读性 */
.dram-title-area h3, .dram-title-area .main-title {
  color: #222;
  font-weight: 900;
  font-size: 2.3rem;
  margin-bottom: 0.5rem;
}
.dram-title-area .text-muted, .dram-title-area .subtitle {
  color: #888;
  font-size: 1.08rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

/* 修复checkbox选中时label变白 */
.dram-filter-card .form-check-input:checked + .form-check-label {
  color: #e60012 !important;
}

/* 统一主内容区宽度 */
.main-content-container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.app-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  min-height: 90px;
  font-size: 1.35rem !important;
  font-weight: 800 !important;
  border-radius: 16px !important;
  border: none !important;
  background: #f4f4f4 !important;
  color: #bbb !important;
  margin: 0 18px 18px 0;
  box-shadow: 0 2px 12px rgba(44,62,80,0.04);
  transition: all 0.18s;
  letter-spacing: 0.5px;
  position: relative;
  padding: 0 !important;
}
.app-btn.selected {
  background: #e60012 !important;
  color: #fff !important;
  box-shadow: 0 4px 16px rgba(230,0,18,0.10);
}
.app-btn i {
  font-size: 2rem;
  margin-right: 12px;
}
.app-btn.selected i {
  color: #fff;
}
.app-btn:not(.selected) i {
  color: #bbb;
}

/* 禁用按钮（Networking/PC未选中时） */
.app-btn:disabled, .app-btn[disabled] {
  opacity: 0.5;
  pointer-events: none;
}

/* DDR5/DDR4 Tab */
.tab-row.module-tabs .tab-btn {
  background: none !important;
  border: none !important;
  color: #222 !important;
  font-size: 1.18rem !important;
  font-weight: 800 !important;
  border-bottom: 3px solid transparent !important;
  border-radius: 0 !important;
  min-width: 160px;
  min-height: 48px;
  margin: 0 12px;
  padding: 0 0 8px 0 !important;
}
.tab-row.module-tabs .tab-btn.selected {
  color: #e60012 !important;
  border-bottom: 3px solid #e60012 !important;
  background: none !important;
}

/* 筛选区表头 */
.dram-filter-card .fw-bold.mb-2 {
  color: #222;
  font-size: 1.13rem;
  font-weight: 800;
  background: #f4f4f4;
  padding: 6px 0 6px 0;
  border-radius: 0;
  margin-bottom: 8px;
}

/* 极简checkbox */
.dram-filter-card .form-check-input {
  width: 20px;
  height: 20px;
  border-radius: 0;
  border: 2px solid #bbb;
  background: #fff;
  margin-right: 8px;
  vertical-align: middle;
  transition: border-color 0.2s, background 0.2s;
}
.dram-filter-card .form-check-input:checked {
  background-color: #e60012;
  border-color: #e60012;
}
.dram-filter-card .form-check-input:focus {
  box-shadow: 0 0 0 2px #f4f4f4;
}
.dram-filter-card .form-check-label {
  font-weight: 700;
  color: #222;
  font-size: 1.08rem;
  vertical-align: middle;
}
.dram-filter-card .form-check-input:checked + .form-check-label {
  color: #e60012 !important;
}

/* 搜索结果与按钮区美化 */
.dram-filter-footer, .mt-4.text-center {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  margin-top: 18px;
  padding: 0 8px;
}
.dram-filter-footer .result-count, .mt-4.text-center .text-primary {
  font-size: 1.08rem;
  color: #e60012 !important;
  font-weight: 700;
}
.dram-filter-footer .btn-outline-secondary, .mt-4.text-center .btn-outline-secondary {
  border-radius: 0;
  font-weight: 700;
  padding: 4px 18px;
  border: 1.5px solid #bbb;
  color: #222;
  background: #fff;
  transition: all 0.18s;
  margin-left: 18px;
}
.dram-filter-footer .btn-outline-secondary:hover, .mt-4.text-center .btn-outline-secondary:hover {
  background: #e60012;
  color: #fff;
  border-color: #e60012;
}

/* 响应式优化 */
@media (max-width: 900px) {
  .dram-title-area { margin-top: 12px; }
  .dram-filter-card { padding: 10px 2vw 10px 2vw; }
  .tab-btn, .app-btn, .module-btn { min-width: 90px; font-size: 1rem !important; }
  .app-btn { min-height: 60px; font-size: 1rem !important; }
}

/* ====== END 仿照参考图的极简商务风格重写 ====== */

/* ====== 应用选择区（Server/PC/Networking）分区卡片 ====== */
.filter-app-select-card {
  background: #fff;
  border-radius: 0;
  box-shadow: 0 4px 24px rgba(44,62,80,0.10);
  padding: 40px 40px 32px 40px;
  margin-bottom: 40px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  border: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.filter-app-select-card .tab-info {
  font-size: 1.18rem;
  font-weight: 800;
  color: #222;
  margin-bottom: 24px;
  margin-left: 8px;
  letter-spacing: -0.5px;
}
.filter-app-select-card .btn_area {
  display: flex;
  gap: 32px;
  justify-content: center;
  width: 100%;
}
.filter-app-select-card .btn_tab {
  min-width: 180px;
  min-height: 90px;
  font-size: 1.35rem;
  font-weight: 800;
  border-radius: 0;
  border: none;
  background: #f4f4f4;
  color: #bbb;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  box-shadow: 0 2px 12px rgba(44,62,80,0.04);
  transition: all 0.18s;
  letter-spacing: -0.5px;
  padding: 0 32px;
  margin: 0;
  text-align: left;
}
.filter-app-select-card .btn_tab i {
  font-size: 2rem;
  margin-right: 16px;
}
.filter-app-select-card .btn_tab.act {
  background: #e60012;
  color: #fff;
  box-shadow: 0 4px 16px rgba(230,0,18,0.10);
}
.filter-app-select-card .btn_tab:disabled {
  opacity: 0.5;
  pointer-events: none;
}

/* 两区之间加大间距 */
.main-content-container .filter-app-select-card + .dram-filter-card {
  margin-top: 32px;
}

/* ====== 产品筛选区卡片（下方） ====== */
.dram-filter-card {
  background: #fff;
  border-radius: 0;
  box-shadow: 0 4px 24px rgba(44,62,80,0.10);
  padding: 32px 40px 32px 40px;
  margin-bottom: 32px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  border: none;
}

.dram-filter-card .col-md-2 {
    min-width: 180px;
    max-width: 220px;
    flex: 0 0 190px;
    padding-left: 12px;
    padding-right: 12px;
    word-break: keep-all;
}
.dram-filter-card .form-check-label {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.97rem;
    font-weight: 600;
}
.dram-filter-card .form-check-label.short {
    font-size: 0.89rem;
    font-weight: 600;
}
.dram-filter-card .form-check {
    margin-bottom: 6px;
}
@media (max-width: 900px) {
  .dram-filter-card .col-md-2 {
    min-width: 120px;
    flex: 1 1 120px;
    padding-left: 4px;
    padding-right: 4px;
  }
}

.dram-filter-card .form-check-label.long {
    font-size: 0.92rem;
    letter-spacing: -0.5px;
    white-space: nowrap;
}

.series-card-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto 40px auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px 0;
  padding-top: 32px;
}
.series-card-row {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.07);
  display: flex;
  align-items: center;
  width: 95%;
  max-width: 1100px;
  margin: 0 auto 24px auto;
  padding: 28px 32px;
  gap: 32px;
  min-height: 180px;
}
.series-card-title {
  font-size: 2.1rem;
  font-weight: 900;
  color: #111;
  min-width: 120px;
  margin-right: 18px;
}
.series-card-img.series-card-img-large img {
  width: 320px;
  height: auto;
  max-height: 180px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}
.series-card-info {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.series-card-info-row {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 1.08rem;
  font-weight: 600;
  color: #222;
}
.series-card-info-label {
  color: #E6002D;
  font-weight: 700;
  min-width: 70px;
}
.series-card-info-value {
  color: #111;
  font-weight: 600;
}
.series-card-app-block {
  background: #f5f5f5;
  border-radius: 10px;
  padding: 12px 18px;
  margin-top: 8px;
}
.series-card-app-label {
  font-size: 1.01rem;
  font-weight: 700;
  color: #222;
  margin-bottom: 4px;
}
.series-card-app-tags {
  margin-bottom: 4px;
}
.series-card-app-tag {
  display: inline-block;
  background: #E6002D;
  color: #fff;
  font-size: 0.98rem;
  font-weight: 700;
  border-radius: 6px;
  padding: 2px 12px;
  margin-right: 8px;
}
.series-card-app-desc {
  color: #444;
  font-size: 0.98rem;
  font-weight: 500;
  margin-top: 2px;
}
@media (max-width: 900px) {
  .series-card-row {
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 10px;
    gap: 12px;
  }
  .series-card-img.series-card-img-large img {
    width: 120px;
    max-height: 80px;
  }
  .series-card-title {
    font-size: 1.3rem;
    min-width: 80px;
  }
}

.nav-cn {
    font-size: 1.45rem !important;
    font-weight: 700 !important;
}

/* 响应式导航栏菜单显示控制 */
.navbar-mobile { 
    display: none !important; 
}

.navbar-desktop { 
    display: flex !important; 
}

/* 移动端样式 */
@media (max-width: 991.98px) {
    .navbar-desktop { 
        display: none !important; 
    }
    
    .navbar-mobile { 
        display: flex !important; 
        flex-direction: column; 
        width: 100%; 
    }
    
    /* 移动端菜单项样式 */
    .navbar-mobile .nav-item {
        border-bottom: 1px solid #e9ecef;
    }
    
    .navbar-mobile .nav-item:last-child {
        border-bottom: none;
    }
    
    .navbar-mobile .nav-link {
        padding: 12px 0;
        font-size: 1.1rem;
        color: #003366 !important;
    }
    
    .navbar-mobile .nav-link:hover {
        color: #001a33 !important;
        background-color: #f8f9fa;
    }
}

/* ====== 品牌展示页面样式 ====== */

/* 品牌卡片样式 */
.brand-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 15px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    height: 100%;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.brand-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    border-color: #007bff;
}

.brand-image {
    margin-bottom: 15px;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 15px;
}

.brand-image img {
    max-width: 100%;
    max-height: 70px;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 4px;
}

.brand-name {
    margin-top: auto;
}

.brand-name h5 {
    font-size: 1rem;
    font-weight: 600;
    color: #333;
    margin: 0;
    line-height: 1.4;
    letter-spacing: 0.3px;
}

/* 品牌筛选下拉菜单样式 */
.dropdown-menu {
    max-height: 400px;
    overflow-y: auto;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.dropdown-item {
    padding: 8px 16px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    color: #007bff;
}

.dropdown-header {
    font-weight: 700;
    color: #495057;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 面包屑样式 */
.breadcrumb {
    background: none;
    padding: 0;
    margin-bottom: 0;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: ">";
    color: #6c757d;
    font-weight: 500;
}

.breadcrumb-item a {
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
}

.breadcrumb-item a:hover {
    color: #0056b3;
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: #6c757d;
    font-weight: 500;
}

/* 页面标题样式 */
.display-4 {
    color: #222;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.text-muted {
    color: var(--text-secondary) !important;
}

/* 响应式品牌网格 */
@media (max-width: 1200px) {
    .brand-card {
        padding: 15px;
    }
    
    .brand-image {
        min-height: 120px;
    }
    
    .brand-image img {
        max-height: 100px;
    }
}

@media (max-width: 768px) {
    .brand-card {
        padding: 12px;
    }
    
    .brand-image {
        min-height: 100px;
    }
    
    .brand-image img {
        max-height: 80px;
    }
    
    .brand-name h5 {
        font-size: 1rem;
    }
    
    .display-4 {
        font-size: 2.2rem;
    }
}

@media (max-width: 576px) {
    .brand-card {
        padding: 10px;
    }
    
    .brand-image {
        min-height: 80px;
    }
    
    .brand-image img {
        max-height: 60px;
    }
    
    .brand-name h5 {
        font-size: 0.9rem;
    }
}

/* 品牌筛选按钮样式 */
.btn-outline-primary {
    border-width: 2px;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: 6px;
}

.btn-outline-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,123,255,0.3);
}

/* ====== END 品牌展示页面样式 ====== */ 

/* Inside Glocal Storage panel */
.insight-panel-section {
    background: var(--primary-bg);
    padding: 96px 0;
    color: var(--text-dark);
}

.insight-panel {
    max-width: 1280px;
    width: calc(100% - 64px);
    margin: 0 auto;
    border-radius: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    overflow: visible;
}

.insight-panel__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    border-collapse: collapse;
}

.insight-panel__column {
    padding: 48px 44px;
    border-right: 1px solid rgba(148, 163, 184, 0.18);
    display: flex;
    flex-direction: column;
    gap: 18px;
    justify-content: flex-start;
    background: transparent;
}

.insight-panel__column:last-child {
    border-right: none;
}

.insight-panel__column--lead {
    background: transparent;
}

.insight-panel__eyebrow {
    color: var(--text-muted);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.insight-panel__title {
    color: #1b2c52;
    font-size: 1.75rem;
    line-height: 1.3;
    margin-bottom: 6px;
}

.insight-panel__text {
    color: var(--text-muted);
    max-width: 20rem;
}

.insight-panel__icon {
    width: 56px;
    height: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: #1b2c52;
    color: #ffffff;
    font-size: 1.5rem;
}

.insight-panel__column h4 {
    color: #1b2c52;
    font-size: 1.125rem;
    margin: 0;
}

.insight-panel__column p {
    color: var(--text-muted);
    margin-bottom: 0;
}

.insight-panel__links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.insight-panel__links a {
    color: #1b2c52;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    position: relative;
    padding-right: 14px;
}

.insight-panel__links a::before {
    content: "";
    height: 2px;
    width: 0;
    background: var(--accent);
    transition: width 0.2s ease;
    position: absolute;
    bottom: -4px;
    left: 0;
}

.insight-panel__links a::after {
    content: "\2192";
    font-size: 1.18rem;
    font-weight: 700;
    color: var(--accent);
    transition: transform 0.2s ease, color 0.2s ease;
}

.insight-panel__links a:hover {
    color: #111c35;
}

.insight-panel__links a:hover::before {
    width: 100%;
}

.insight-panel__links a:hover::after {
    transform: translateX(4px);
    color: var(--accent-hover);
}

@media (max-width: 992px) {
    .insight-panel__column {
        border-right: none;
        border-bottom: 1px solid rgba(148, 163, 184, 0.18);
    }

    .insight-panel__column:last-child {
        border-bottom: none;
    }
} 

.hero-section h1 {
    color: #0f172a;
}

section h2,
.display-5.fw-bold {
    color: var(--accent-soft);
}