/* ========================================
   深度数卡官网样式表
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #E60012;
    --primary-dark: #C31432;
    --text-primary: #1A1A1A;
    --text-secondary: #666666;
    --text-light: #999999;
    --bg-white: #FFFFFF;
    --bg-light: #F5F7FA;
    --border: #E8E8E8;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background: var(--bg-white);
    padding-top: 70px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul {
    list-style: none;
}

/* ========== 顶部黑条 ========== */
.top-bar {
    display: none;
}

/* ========== 导航栏 ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: var(--bg-white);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.header-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 120px;
}

.header-inner {
    display: flex;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    margin-right: 48px;
    flex-shrink: 0;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    gap: 0;
}

.nav-item {
    color: var(--text-primary);
    font-size: 14px;
    padding: 25px 16px;
    position: relative;
    white-space: nowrap;
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: #1A1A1A;
    transition: width 0.3s;
}

.nav-item.active,
.nav-item.mega-active {
    color: var(--primary);
}

.nav-item:hover::after {
    width: 100%;
}

.header-right {
    display: flex;
    flex-direction: row;
    align-items: center;
    margin-left: auto;
    gap: 28px;
    padding-right: 0;
}

.icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    cursor: pointer;
    transition: opacity 0.3s;
}

.icon-link:hover {
    opacity: 0.7;
}

.icon-link svg {
    display: block;
}

.nav-links {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 16px;
}

.nav-link {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--primary);
}

.btn-register {
    background: var(--primary);
    color: white;
    font-size: 14px;
    font-weight: 600;
    padding: 9px 28px;
    border-radius: 24px;
    white-space: nowrap;
    transition: all 0.3s;
}

.btn-register:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* ========== 伙伴下拉菜单 ========== */
.nav-dropdown-wrap {
  display: inline-flex;
}

.nav-dropdown-wrap .nav-item {
  color: inherit;
}

.nav-dropdown-wrap:hover .nav-item::after {
  width: 100%;
}

.partner-dropdown {
  display: none;
  position: absolute;
  top: 70px;
  left: 120px;
  right: 120px;
  width: auto;
  background: #fff;
  box-shadow: 0 8px 40px rgba(0,0,0,0.10);
  z-index: 99999;
  border-radius: 0 0 8px 8px;
}

.nav-dropdown-wrap:hover .partner-dropdown {
  display: block;
  animation: megaFadeIn 0.2s ease;
}

.partner-dropdown-inner {
  display: flex;
  flex-direction: column;
  padding: 28px 32px;
}

.partner-dropdown-main {
  display: flex;
  gap: 40px;
}

.partner-col {
  flex: 1;
  min-width: 0;
}

.partner-cat-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.partner-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.partner-links li {
  margin-bottom: 0;
}

.partner-links a {
  display: block;
  padding: 8px 0;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.partner-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.partner-dropdown-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.partner-cta-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  display: block;
}

.partner-cta-text p {
  font-size: 13px;
  color: var(--text-light);
  margin: 0;
}

.partner-close-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #999;
  border: 1.5px solid #ddd;
  border-radius: 50%;
  transition: all 0.2s;
  text-decoration: none;
  line-height: 1;
}

.partner-close-btn:hover {
  color: #333;
  border-color: #999;
}

.partner-cta-text strong {
  display: block;
  font-size: 15px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.partner-cta-text p {
  font-size: 13px;
  color: var(--text-light);
  margin: 0;
}

.btn-sm {
  height: 36px !important;
  padding: 0 24px;
  font-size: 13px;
  border-radius: 18px;
  white-space: nowrap;
}

.icon-link {
    display: flex;
    align-items: center;
    padding: 4px;
    cursor: pointer;
    transition: opacity 0.3s;
}

.icon-link:hover {
    opacity: 0.7;
}

/* ========== Mega Menu (产品) ========== */
.mega-menu {
  display: none;
  position: absolute;
  top: 70px;
  left: 0;
  right: 0;
  background: #fff;
  box-shadow: 0 8px 40px rgba(0,0,0,0.10);
  z-index: 99999;
  border-top: 3px solid #1A1A1A;
}
.mega-menu.open {
  display: block;
  animation: megaFadeIn 0.2s ease;
}
@keyframes megaFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.mega-inner {
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 120px;
  min-height: 340px;
}
.mega-sidebar {
  width: 220px;
  background: #F7F8FA;
  padding: 28px 0;
  flex-shrink: 0;
}
.mega-tab {
  display: block;
  padding: 14px 28px;
  font-size: 14px;
  color: #333;
  border-left: 3px solid transparent;
  transition: all 0.2s;
  text-decoration: none;
  cursor: pointer;
  position: relative;
}
.mega-tab:hover {
  background: #fff;
  color: #E60012;
}
.mega-tab.active {
  background: #fff;
  color: #E60012;
  border-left-color: #E60012;
  font-weight: 600;
}
.mega-content {
  flex: 1;
  padding: 32px 36px;
}
.mega-panel { display: none; }
.mega-panel.active { display: block; }
.mega-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.mega-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  border-radius: 12px;
  border: 1px solid #EEEEEE;
  transition: all 0.25s;
  text-decoration: none;
}
.mega-card:hover {
  border-color: #E60012;
  background: linear-gradient(135deg, rgba(230,0,18,0.02), rgba(230,0,18,0.04));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230,0,18,0.08);
}
.mega-card-icon {
  font-size: 30px;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(230,0,18,0.06);
  border-radius: 12px;
  flex-shrink: 0;
}
.mega-card:hover .mega-card-icon {
  background: rgba(230,0,18,0.10);
}
.mega-card-text h4 {
  font-size: 15px;
  font-weight: 700;
  color: #1A1A1A;
  margin-bottom: 3px;
  transition: color 0.2s;
}
.mega-card:hover .mega-card-text h4 {
  color: #E60012;
}
.mega-card-text p {
  font-size: 13px;
  color: #999;
  margin: 0;
  line-height: 1.5;
}

/* ========== Hero Banner ========== */
.hero {
    position: relative;
    height: 380px;
    margin-top: 0;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active {
    opacity: 1;
}

.slide-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
}

.slide:nth-child(1) .slide-bg {
    background-image: linear-gradient(135deg, #FDF8F4 0%, #FBF4EE 50%, #F8F0E8 100%);
}

.slide:nth-child(2) .slide-bg {
    background-image: url('../images/banner2.webp');
}

.slide:nth-child(3) .slide-bg {
    background-image: linear-gradient(135deg, #F0F4F8 0%, #E8EEF5 60%, #E0E8F0 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
}

.slide-content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-text {
    max-width: 550px;
    padding-top: 40px;
}

.hero-title {
    font-size: 46px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    color: #1A1A1A;
}

.hero-subtitle {
    font-size: 16px;
    font-weight: 600;
    border-bottom: 1px solid #f5f5f5;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.7;
}

.hero-btns {
    display: flex;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 36px;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    box-sizing: border-box;
    border: 1.5px solid transparent;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: 1.5px solid var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(230,0,18,0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--text-primary);
}

.hero-image {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image svg {
    max-width: 100%;
    max-height: 100%;
}

/* 轮播指示器 */
.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 2;
}

.dot {
    width: 8px;
    height: 8px;
    background: #D8D8D8;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
}

.dot.active {
    width: 24px;
    background: var(--primary);
    border-radius: 4px;
}

/* ========== 快捷入口 ========== */
.quick-entrance {
    background: #EBEDF0;
    padding: 0;
}

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

.entrance-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.entrance-card {
    flex: 1;
    background: #EBEDF0;
    padding: 16px 32px;
    display: flex;
    align-items: center;
    gap: 20px;
    text-decoration: none;
    transition: background .2s;
    border: none;
}

.entrance-card:hover {
    background: rgba(255,255,255,.3);
}

.entrance-icon {
    width: 32px;
    height: 32px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    flex-shrink: 0;
}

.entrance-title {
    font-size: 16px;
    font-weight: 700;
    line-height: 28px;
    margin-bottom: 0;
    color: var(--text-primary);
}

.entrance-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 22px;
    margin-top: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ========== 云上 AI ========== */
.ai-section {
    padding: 80px 0;
    background: var(--bg-white);
}

.ai-container {
    max-width: 1780px;
    margin: 0 auto;
    padding: 0 80px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-primary);
}

.ai-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.ai-card {
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s;
    height: 484px;
    display: flex;
    flex-direction: column;

}

.ai-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}

.ai-card.codearts {
    background: #F0F8F0;
}

.ai-card.modelarts {
    background: #F5F5F7;
}

.ai-card.maas {
    background: #FFF5E6;
}

.ai-card.agentarts {
    background: #EDF2F7;
}

.ai-card-content {
    padding: 32px 32px 20px;
}

.ai-card-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.ai-card-content p {
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.ai-btn {
    display: inline-block;
    padding: 8px 24px;
    background: white;
    border: 1px solid #DDD;
    border-radius: 20px;
    font-size: 14px;
    color: #333;
    transition: all 0.3s;
}

.ai-btn:hover {
    background: #E60012;
    color: white;
    border-color: #E60012;
}

.ai-preview {
    flex: 1;
    padding: 20px 32px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

/* CodeArts 聊天框 */
.ai-chat-box {
    background: white;
    border-radius: 14px;
    padding: 24px 28px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.chat-title {
    font-size: 14px;
    color: #333;
    margin-bottom: 16px;
    font-weight: 500;
}

.chat-input {
    display: flex;
    gap: 8px;
    align-items: center;
}

.chat-tag {
    padding: 6px 12px;
    background: #F5F7FA;
    border-radius: 16px;
    font-size: 12px;
    color: #666;
    border: 1px solid #E8E8E8;
}

/* ModelArts 服务器架 */
.server-rack {
    background: white;
    border-radius: 14px;
    padding: 16px 20px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.server-row {
    height: 28px;
    background: linear-gradient(90deg, #1a1a2e 0%, #16213e 50%, #1a1a2e 100%);
    margin-bottom: 8px;
    border-radius: 5px;
    position: relative;
    overflow: hidden;
}

.server-row::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 30%;
    background: linear-gradient(90deg, transparent, rgba(0,255,136,0.3), transparent);
    animation: server-blink 2s infinite;
}

.server-row:nth-child(2)::after {
    animation-delay: 0.5s;
}

.server-row:nth-child(3)::after {
    animation-delay: 1s;
}

.server-row:nth-child(4)::after {
    animation-delay: 1.5s;
}

@keyframes server-blink {
    0%, 100% { transform: translateX(-100%); }
    50%, 100% { transform: translateX(400%); }
}

/* MaaS 输入框和车 */
.maas-input {
    background: white;
    border-radius: 24px;
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.maas-input span {
    font-size: 13px;
    color: #666;
}

.maas-car {
    height: 140px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 300 140"><path d="M40 90 L60 55 L120 50 L200 55 L260 80 L280 105 L280 120 L20 120 L20 105 Z" fill="%23C0C0C0" opacity="0.6"/><circle cx="60" cy="105" r="18" fill="%23333"/><circle cx="240" cy="105" r="18" fill="%23333"/><path d="M70 55 L90 35 L150 30 L190 35 L210 55" fill="none" stroke="%23999" stroke-width="2"/></svg>') no-repeat center bottom;
    background-size: contain;
}

/* AgentArts 盒子 */
.agent-box {
    background: white;
    border-radius: 14px;
    padding: 24px 28px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.agent-title {
    font-size: 14px;
    color: #333;
    margin-bottom: 16px;
    line-height: 1.6;
}

.agent-input {
    display: flex;
    gap: 8px;
    align-items: center;
}

.agent-tag {
    padding: 6px 12px;
    background: #F0F5FF;
    border-radius: 16px;
    font-size: 12px;
    color: #0066CC;
    border: 1px solid #D0E0F5;
}

.agent-tag:first-child {
    background: #E8F0FF;
    color: #0052CC;
}

/* ========== 大模型 ========== */
.models-section {
    padding: 80px 0;
    background: #FFFFFF;
}

.models-container {
    max-width: 1762px;
    margin: 0 auto;
    padding: 0 80px;
}

.models-wrapper {
    background: #F7F8FA;
    border-radius: 24px;
    padding: 48px 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1602px;
    margin: 0 auto;
}

.models-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-height: 420px;
    overflow: hidden;
    position: relative;
    background: #F8F9FA;
    border-radius: 16px;
    padding: 16px;
}

.models-list::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to top, white, transparent);
    pointer-events: none;
    z-index: 1;
}

.purchase-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: white;
    border-radius: 8px;
    transition: all 0.3s;
    flex-shrink: 0;
}

.purchase-item:hover {
    background: #F0F2F5;
    transform: translateX(4px);
}

.purchase-user {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 200px;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    flex-shrink: 0;
}

.purchase-user span {
    font-size: 13px;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.purchase-product {
    font-size: 13px;
    color: #666;
    flex: 1;
    min-width: 150px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.purchase-quantity {
    font-size: 14px;
    font-weight: 600;
    color: #3B82F6;
    white-space: nowrap;
}

@keyframes scrollUp {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-50%);
    }
}

.models-list-inner {
    animation: scrollUp 20s linear infinite;
}

.models-list-inner:hover {
    animation-play-state: paused;
}

.models-display {
    position: relative;
}

.display-bg {
    background: #ffffff;
    border-radius: 16px;
    padding: 16px;
    height: 420px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 16px;
    position: relative;
    overflow: hidden;
}

.chat-bubble {
    border-radius: 16px;
    padding: 16px 24px;
    max-width: 480px;
    font-size: 14px;
    line-height: 1.6;
}

.chat-bubble.user {
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    align-self: flex-end;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.chat-bubble.ai {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: #333;
    align-self: flex-start;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.ai-thinking {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    color: #666;
}

.ai-content-loading {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.loading-line {
    height: 8px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 4px;
    animation: loading-pulse 1.5s ease-in-out infinite;
}

.loading-line:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-line:nth-child(3) {
    animation-delay: 0.4s;
}

.loading-line:nth-child(4) {
    animation-delay: 0.6s;
}

.loading-line.short {
    width: 60%;
}

@keyframes loading-pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

.display-controls {
    position: absolute;
    bottom: 20px;
    right: 20px;
}

.control-btn {
    width: 36px;
    height: 36px;
    background: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.control-btn:hover {
    background: #F5F5F5;
}

/* ========== 热门产品 ========== */
.products-section {
    padding: 80px 0;
    background: #FFFFFF;
}

.products-container {
    max-width: 1772px;
    margin: 0 auto;
    padding: 0 80px;
}

.products-section .section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: #333;
}

/* 分类标签 */
.products-tabs {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 48px;
}

.tab-btn {
    background: none;
    border: none;
    font-size: 16px;
    color: #666;
    cursor: pointer;
    padding: 8px 0;
    position: relative;
    transition: all 0.3s;
}

.tab-btn:hover {
    color: #333;
}

.tab-btn.active {
    color: #333;
    font-weight: 600;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: #333;
}

/* 产品布局 */
.products-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 1612px;
    margin: 0 auto;
}

.products-layout > div:first-child {
    grid-row: span 2;
}

/* 左侧大卡片 */
.product-card-large {
    background: #FAFBFC;
    border-radius: 20px;
    padding: 40px 48px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.product-large-content {
    position: relative;
    z-index: 2;
}

.product-large-icon {
    margin-bottom: 24px;
}

.product-large-content h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #333;
}

.product-large-content p {
    font-size: 16px;
    font-weight: 600;
    border-bottom: 1px solid #f5f5f5;
    color: #666;
    margin-bottom: 24px;
    line-height: 1.6;
}

.product-btn {
    display: inline-block;
    padding: 10px 28px;
    background: white;
    color: #333;
    border: 1px solid #DDD;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.product-btn:hover {
    border-color: #E60012;
    color: #E60012;
}

.product-large-image {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 60%;
    height: 60%;
    z-index: 1;
}

.product-large-image svg {
    width: 100%;
    height: 100%;
}

/* 右侧 2x2 网格 */
.products-grid-2x2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    height: 484px;
}

.product-card-small {
    background: #FAFBFC;
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s;
}

.product-card-small:hover {
    background: white;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    transform: translateY(-4px);
}

.product-small-icon {
    margin-bottom: 20px;
}

.product-card-small h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.product-card-small p {
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

/* ========== 解决方案 ========== */
.solutions-section {
    padding: 80px 0;
    background: #FFFFFF;
}

.solutions-container {
    max-width: 1760px;
    margin: 0 auto;
    padding: 0 80px;
}

.main-section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 32px;
    color: #333;
}

.solutions-header {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 24px;
}

.solutions-header .section-title {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    position: relative;
}

.solutions-header .section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: #333;
}

.section-subtitle {
    font-size: 20px;
    color: #666;
    font-weight: 400;
}

/* 轮播卡片容器 */
.solutions-carousel {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    padding-bottom: 20px;
}

.solutions-carousel::-webkit-scrollbar {
    display: none;
}

/* 大卡片 */
.solution-card-large {
    flex: 0 0 300px;
    height: 500px;
    border-radius: 24px;
    overflow: hidden;
    position: relative;
    scroll-snap-align: start;
    transition: all 0.3s;
}

.solution-card-large:hover {
    transform: scale(1.02);
}

.solution-content-top {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 32px;
    z-index: 2;
}

.solution-card-large h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #333;
}

.solution-card-large p {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
    max-width: 280px;
}

.solution-image {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70%;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    mask-image: linear-gradient(to bottom, transparent 0%, black 30%);
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 30%);
}

.solution-bottom-decoration {
    display: none;
}

/* 各卡片背景色 */
.solution-card-large.medical {
    background: linear-gradient(180deg, #FFF5F8 0%, #F0F5FF 100%);
}

.solution-card-large.auto {
    background: linear-gradient(180deg, #E3F2FD 0%, #BBDEFB 100%);
}

.solution-card-large.auto h3,
.solution-card-large.auto p {
    color: #1a1a2e;
}

.solution-card-large.finance {
    background: linear-gradient(180deg, #EDE7F6 0%, #D1C4E9 100%);
}

.solution-card-large.finance h3,
.solution-card-large.finance p {
    color: #1a1a2e;
}

.solution-card-large.manufacturing {
    background: linear-gradient(180deg, #F5F7FA 0%, #ECEFF4 100%);
}

.solution-card-large.education {
    background: linear-gradient(180deg, #263238 0%, #37474F 100%);
}

.solution-card-large.education h3,
.solution-card-large.education p {
    color: white;
}

/* 导航按钮 */
.carousel-nav {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    z-index: 3;
    transition: all 0.3s;
}

.carousel-nav:hover {
    background: #F5F5F5;
    transform: translateY(-50%) scale(1.1);
}

/* ========== 客户案例 ========== */
.cases-section {
    padding: 60px 0;
    background: linear-gradient(180deg, #1E3A5F 0%, #2E5C8A 50%, #4A90D9 100%);
    position: relative;
    overflow: hidden;
}

.cases-section::before {
    content: '';
    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"><circle cx="50" cy="50" r="40" fill="white" opacity="0.05"/></svg>');
    background-size: 200px 200px;
}

.cases-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 80px;
    position: relative;
    z-index: 2;
}

.cases-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    color: white;
    margin-bottom: 32px;
}

.cases-tabs {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
}

.cases-tabs .tab-btn {
    background: none;
    border: none;
    font-size: 16px;
    color: rgba(255,255,255,0.6);
    cursor: pointer;
    padding: 8px 0;
    position: relative;
    transition: all 0.3s;
}

.cases-tabs .tab-btn:hover {
    color: white;
}

.cases-tabs .tab-btn.active {
    color: white;
    font-weight: 600;
}

.cases-tabs .tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: white;
}

.cases-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.cases-left {
    color: white;
}

.customer-logo {
    margin-bottom: 24px;
}

.case-main-title {
    font-size: 28px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 14px;
}

.case-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 500px;
}

.case-stats {
    display: flex;
    gap: 60px;
    margin-bottom: 32px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
}

.case-btn {
    display: inline-block;
    padding: 10px 32px;
    background: transparent;
    color: white;
    border: 1px solid rgba(255,255,255,0.5);
    border-radius: 20px;
    font-size: 14px;
    transition: all 0.3s;
}

.case-btn:hover {
    background: white;
    color: #1E3A5F;
    border-color: white;
}

.cases-right {
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.case-building {
    width: 100%;
    max-width: 400px;
    height: 350px;
}

.case-building svg {
    width: 100%;
    height: 100%;
}

/* ========== 全球基础设施 ========== */
.global-section {
    padding: 80px 0;
    background: #FFFFFF;
}

.global-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 80px;
}

.global-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #333;
}

.global-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    margin-bottom: 60px;
}

.global-left {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding-top: 20px;
}

.global-info h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #333;
}

.global-info p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 16px;
}

.global-btn {
    display: inline-block;
    padding: 8px 28px;
    background: white;
    color: #333;
    border: 1px solid #DDD;
    border-radius: 20px;
    font-size: 14px;
    transition: all 0.3s;
}

.global-btn:hover {
    border-color: #E60012;
    color: #E60012;
}

.global-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 0 !important;
}

.stat-box {
    display: flex;
    flex-direction: column;
}

.stat-box .stat-label {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}

.stat-box .stat-value {
    font-size: 40px;
    font-weight: 700;
    color: #333;
}

.global-right {
    position: relative;
}

.map-controls {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 8px;
    z-index: 2;
}

.map-btn {
    width: 36px;
    height: 36px;
    background: white;
    border: 1px solid #E0E0E0;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.map-btn:hover {
    background: #F5F5F5;
}

.map-btn.active {
    border-color: #3B82F6;
    background: #EFF6FF;
}

.world-map {
    background: transparent;
    border-radius: 16px;
    padding: 0;
    position: relative;
    overflow: visible;
}

.map-container {
    position: relative;
    width: 100%;
    height: 500px;
}

.map-container.china-map {
    background: transparent;
    height: auto;
    padding: 40px 0;
}

.world-map-bg {
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0.8;
}

.china-map-bg {
    width: 120%;
    height: auto;
    display: block;
    margin: 20px auto 0;
    max-height: 600px;
}

.map-controls {
    position: absolute;
    top: 60px;
    right: 20px;
    display: flex;
    gap: 8px;
    z-index: 10;
}

.map-btn {
    width: 36px;
    height: 36px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.map-btn:hover,
.map-btn.active {
    border-color: #E60012;
    color: #E60012;
}

.map-markers-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.marker-point {
    position: absolute;
    transform: translate(-50%, -50%);
    cursor: pointer;
    pointer-events: auto;
}

.marker-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    position: relative;
    z-index: 2;
    animation: pulse 2s ease-in-out infinite;
}

.marker-dot.blue {
    background: #3B82F6;
    box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
}

.marker-dot.green {
    background: #10B981;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
}

.marker-point:hover .marker-dot {
    animation: none;
    background: #E60012;
    box-shadow: 0 0 0 6px rgba(230, 0, 18, 0.2);
}

.marker-label {
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    color: #333;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    opacity: 0;
    transition: all 0.3s;
    pointer-events: none;
}

.marker-point:hover .marker-label {
    opacity: 1;
    top: -28px;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(59, 130, 246, 0);
    }
}

.marker-point:hover .marker-dot.green {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
}

.map-legend {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 24px;
    background: white;
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.legend-dot.blue {
    background: #3B82F6;
}

.legend-dot.green {
    background: #10B981;
}

.legend-label {
    font-size: 12px;
    color: #666;
}

/* 认证标志 */
.certifications {
    display: flex;
    justify-content: space-between;
    padding-top: 0;
    margin-top: -100px;
}

.cert-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cert-logo {
    margin-bottom: 12px;
}

.cert-name {
    font-size: 12px;
    color: #666;
    text-align: center;
}

/* ========== 优势特点 ========== */
.features-section {
    padding: 80px 0 80px;
    background: #F7F8FA;
}

.features-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 24px;
}

.features-title {
    font-size: 36px;
    font-weight: 700;
    color: #191919;
    text-align: center;
    margin-bottom: 48px;
}

.features-grid {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.feature-card {
    flex: 1;
    background: #fff;
    border-radius: 20px;
    padding: 40px 32px;
    text-decoration: none;
    transition: box-shadow 0.2s;
    display: block;
    border: none;
    position: relative;
    box-sizing: border-box;
}

.feature-card::before {
    display: none;
}

.feature-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    border-color: transparent;
}

.feature-card .feature-tit {
    font-size: 18px;
    font-weight: 600;
    color: #191919;
    line-height: 28px;
    margin-bottom: 12px;
}

.feature-card .feature-txt {
    font-size: 14px;
    color: #595959;
    line-height: 22px;
    margin-bottom: 24px;
}

.feature-card .feature-btn {
    display: inline-block;
    font-size: 14px;
    color: #191919;
    line-height: 1;
    border: 1px solid #595959;
    border-radius: 24px;
    padding: 12px 32px;
    background: transparent;
    transition: 0.2s;
}

.feature-card:hover .feature-btn {
    border-color: #c2c2c2;
}

/* ========== Footer ========== */
.footer {
    background: #F7F8FA;
    color: #333;
    padding: 0 0 20px;
    width: 100%;
}

.footer-container {
    width: 100%;
    padding: 0 60px;
}

/* 顶部服务栏 */
.footer-services {
    display: flex;
    justify-content: space-around;
    padding: 12px 0 16px;
    border-bottom: 1px solid #E8E8E8;
}

.footer-service {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-service svg {
    flex-shrink: 0;
}

.service-text h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
    color: #333;
}

.service-text p {
    font-size: 12px;
    color: #666;
}

/* 主体内容 */
.footer-main {
    display: flex;
    padding: 20px 0 12px;
    gap: 24px;
}

.footer-left {
    width: 200px;
    flex-shrink: 0;
    border-right: 1px solid #E8E8E8;
    padding-right: 24px;
}

.footer-app {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.footer-hotline {
    margin-bottom: 12px;
}

.footer-hotline h4 {
    font-size: 13px;
    color: #666;
    margin-bottom: 8px;
    font-weight: 400;
}

.hotline-number {
    font-size: 24px;
    font-weight: 700;
    color: #333;
    margin-bottom: 4px;
}

.hotline-desc {
    font-size: 12px;
    color: #666;
}

.footer-consult {
    margin-bottom: 12px;
}

.footer-consult a {
    display: block;
    font-size: 12px;
    color: #666;
    margin-bottom: 8px;
}

.footer-consult a:hover {
    color: #E60012;
}

.footer-follow p {
    font-size: 13px;
    color: #666;
    margin-bottom: 12px;
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.social-icon:hover {
    transform: scale(1.1);
}

.social-icon.wechat {
    background: #07C160;
}

.social-icon.wechat svg {
    width: 18px;
    height: 18px;
    fill: white;
}

.social-icon.douyin {
    background: #000;
}

.social-icon.douyin svg {
    width: 18px;
    height: 18px;
    fill: white;
}

.social-icon.weibo {
    background: #E6162D;
}

.social-icon.weibo svg {
    width: 18px;
    height: 18px;
    fill: white;
}

.social-icon.app {
    background: #F0F0F0;
    font-size: 11px;
    color: #666;
    border: 1px solid #E0E0E0;
}

/* 链接区域 */
.footer-links {
    display: flex;
    flex: 1;
    justify-content: space-between;
}

.footer-col {
    flex: 1;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 14px;
    color: #333;
}

.footer-col ul li {
    margin-bottom: 8px;
    list-style: none;
}

.footer-col ul li a {
    color: #666;
    font-size: 13px;
    line-height: 1.6;
}

.footer-col ul li a:hover {
    color: #E60012;
}

/* 底部版权信息 */
.footer-bottom {
    border-top: 1px solid #E8E8E8;
    padding-top: 16px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.footer-copyright p {
    font-size: 12px;
    color: #999;
    line-height: 2;
    margin-bottom: 8px;
}

.footer-licenses {
    display: flex;
    gap: 16px;
    margin-top: 12px;
}

.license {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #999;
}

.license img {
    width: 20px;
    height: 20px;
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    margin-left: 40px;
}

.footer-legal a {
    font-size: 13px;
    color: #666;
}

.footer-legal a:hover {
    color: #E60012;
}

.footer-legal .divider {
    color: #E8E8E8;
}

/* ========================================
   支持与服务页面
   ======================================== */
.support-hero {
    background: linear-gradient(135deg, #1A1A2E 0%, #16213E 50%, #0F3460 100%);
    padding: 80px 0 60px;
    min-height: 320px;
    display: flex;
    align-items: center;
    margin-top: 64px;
}

.support-hero-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.support-hero-content h1 {
    font-size: 36px;
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
}

.support-hero-content > p {
    font-size: 16px;
    color: rgba(255,255,255,0.75);
    margin-bottom: 32px;
}

.support-hero-search {
    display: flex;
    align-items: center;
    background: white;
    border-radius: 8px;
    padding: 4px 4px 4px 16px;
    max-width: 560px;
    margin: 0 auto 20px;
}

.support-hero-search svg {
    flex-shrink: 0;
}

.support-hero-search input {
    flex: 1;
    border: none;
    outline: none;
    padding: 12px 12px;
    font-size: 14px;
    color: #333;
}

.support-hero-search input::placeholder {
    color: #bbb;
}

.support-hero-search button {
    background: #E60012;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s;
}

.support-hero-search button:hover {
    background: #CC0010;
}

.support-hero-hot {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}

.support-hero-hot a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    padding: 3px 10px;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.3s;
}

.support-hero-hot a:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.4);
}

.support-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== footer-service (服务卡片区) ========== */
/* ========================================
   自助服务页面 (help-tools 复刻)
   ======================================== */
.hlp-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 120px;
}
.hlp-sec-title {
    font-size: 24px;
    font-weight: 700;
    color: #1A1A1A;
    margin-bottom: 24px;
}
.hlp-row-2col {
    display: flex;
    gap: 24px;
    padding: 12px 0;
}
/* 单栏全宽行 */
.hlp-row-full {
    padding: 12px 0;
}
/* 场景+热点区域：浅灰背景 */
.hlp-content-wrap {
    background: #F5F6F8;
    padding: 8px 0;
}
.hlp-col-left {
    flex: 0 0 calc(66.67% - 12px);
    max-width: calc(66.67% - 12px);
    display: flex;
    flex-direction: column;
}
.hlp-col-right {
    flex: 0 0 calc(33.33% - 12px);
    max-width: calc(33.33% - 12px);
    display: flex;
    flex-direction: column;
}
/* 场景专区 + 热点 — 大卡片容器 */
.hlp-scene-card-wrap,
.hlp-hot-card-wrap {
    background: white;
    border: 1px solid #eee;
    border-radius: 12px;
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.hlp-card-wrap {
    background: white;
    border: 1px solid #eee;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
}
.hlp-scene-list,
.hlp-news-list {
    flex: 1;
}
/* 场景专区内的条目 — 卡片形式 */
.hlp-scene-card-wrap .hlp-scene-card {
    border: 1px solid #eee;
    border-radius: 12px;
    padding: 20px 16px;
    background: #F8F9FA;
    transition: all 0.2s;
}
.hlp-scene-card-wrap .hlp-scene-card:hover {
    border-color: #E60012;
    box-shadow: 0 4px 16px rgba(230,0,18,0.06);
    background: white;
}
/* 大卡片内的热点列表去掉外层边框 */
.hlp-hot-card-wrap .hlp-news-list {
    border: none;
}
.hlp-scene-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.hlp-scene-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 12px;
    padding: 20px;
    border: 1px solid #eee;
    border-radius: 12px;
    text-decoration: none;
    background: #F8F9FA;
}
.hlp-scene-card:hover {
    border-color: #E60012;
    box-shadow: 0 4px 16px rgba(230,0,18,0.06);
    background: white;
}
.hlp-scene-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background-size: 24px;
    background-position: center;
    background-repeat: no-repeat;
    flex-shrink: 0;
    position: relative;
}
.hlp-scene-icon::after {
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #E60012;
    color: white;
    font-size: 11px;
    font-weight: 700;
    font-family: 'Arial', 'Helvetica', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}
.hlp-scene-icon.signup::after { content: "1"; }
.hlp-scene-icon.plan::after { content: "2"; }
.hlp-scene-icon.contract::after { content: "3"; }
.hlp-scene-icon.aftersale::after { content: "4"; }
.hlp-scene-icon.signup { background-color: #FFF0F0; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Ccircle cx='10' cy='8' r='4' stroke='%23E60012' stroke-width='1.5' fill='none'/%3E%3Cpath d='M16 21v-2a4 4 0 0 0-4-4h-4a4 4 0 0 0-4 4v2' stroke='%23E60012' stroke-width='1.5' fill='none'/%3E%3Cpath d='M17 11v4M15 13h4' stroke='%23E60012' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E"); }
.hlp-scene-icon.plan { background-color: #FFF5E6; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='9' stroke='%23E60012' stroke-width='1.5' fill='none'/%3E%3Cpath d='M9 12l2 2 4-4' stroke='%23E60012' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.hlp-scene-icon.contract { background-color: #E8F4FD; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M17 21H7a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h7l5 5v11a2 2 0 0 1-2 2z' stroke='%23E60012' stroke-width='1.5' fill='none'/%3E%3Cpath d='M9 9l2 2 4-4' stroke='%23E60012' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.hlp-scene-icon.aftersale { background-color: #F0FFF4; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z' stroke='%23E60012' stroke-width='1.5' fill='none' stroke-linejoin='round'/%3E%3Cpath d='M9 12l2 2 4-4' stroke='%23E60012' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.hlp-scene-card h3 { font-size: 17px; font-weight: 600; color: #1A1A1A; margin-bottom: 4px; }
.hlp-scene-card p { font-size: 15px; color: #999; margin: 0; }
.hlp-news-list {
    border: 1px solid #eee;
    border-radius: 12px;
    overflow: hidden;
    background: white;
}
.hlp-news-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    text-decoration: none;
    color: #555;
    font-size: 16px;
    font-weight: 600;
    border-bottom: 1px solid #f5f5f5;
}
.hlp-news-item:last-child { border-bottom: none; }
.hlp-news-item:hover { color: #E60012; }
.hlp-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #E60012;
    flex-shrink: 0;
}
.hlp-tab-bar {
    display: flex;
    gap: 0;
    border-bottom: 2px solid #E8E8E8;
    margin-bottom: 20px;
}
.hlp-tab {
    display: inline-block;
    padding: 10px 24px;
    font-size: 16px;
    border-bottom: 1px solid #f5f5f5;
    font-weight: 500;
    color: #888;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}
.hlp-tab:hover { color: #E60012; }
.hlp-tab.active { color: #E60012; border-bottom-color: #E60012; }
.hlp-tab-panel { display: none; }
.hlp-tab-panel.active { display: block; }
.hlp-tool-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.hlp-tool-card {
    display: block;
    padding: 20px 16px;
    background: white;
    border: 1px solid #eee;
    border-radius: 10px;
    text-decoration: none;
}
.hlp-tool-card:hover {
    border-color: #E60012;
    box-shadow: 0 2px 12px rgba(230,0,18,0.06);
}
.hlp-tool-card h3 { font-size: 16px; font-weight: 600; color: #1A1A1A; margin-bottom: 6px; }
.hlp-tool-card p { font-size: 14px; color: #999; margin: 0; }
.hlp-svc-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.hlp-svc-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 113px;
    padding: 0;
    text-decoration: none;
    border-bottom: 1px solid #e8e8e8;
}
.hlp-svc-card:last-child {
    border-bottom: none;
}
.hlp-svc-card h3 { font-size: 17px; font-weight: 500; color: #333; margin: 0 0 4px; }
.hlp-svc-card h3 .hlp-arrow { color: #E60012; font-weight: 400; }
.hlp-svc-card p { font-size: 13px; color: #999; margin: 0; }
.hlp-arrow { color: #E60012; }
.hlp-hotline {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid #e8e8e8;
}
.hlp-hotline .hlp-svc-card {
    border-bottom: 1px solid #e8e8e8;
    padding: 0;
    height: 113px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.hlp-hotline .hlp-svc-card:last-child {
    border-bottom: none;
}
.hlp-hotline-card p { font-size: 13px; color: #bbb; }
.hlp-quick-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}
.hlp-quick-card {
    display: block;
    padding: 18px 16px;
    background: white;
    border: 1px solid #eee;
    border-radius: 10px;
    text-decoration: none;
}
.hlp-quick-card:hover {
    border-color: #E60012;
    box-shadow: 0 2px 12px rgba(230,0,18,0.06);
}
.hlp-quick-card h3 { font-size: 16px; font-weight: 600; color: #1A1A1A; margin-bottom: 6px; }
.hlp-quick-card p { font-size: 14px; color: #999; margin: 0; }
/* 接入文档 2×2 卡片网格 */
.hlp-doc-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    flex: 1;
}
.hlp-doc-card {
    border-radius: 24px;
    overflow: hidden;
    position: relative;
    text-decoration: none;
    height: 500px;
    transition: all 0.3s;
}
.hlp-doc-card:hover {
    transform: scale(1.02);
}
/* 渐变背景 */
.doc-delivery { background: linear-gradient(180deg, #FFF5F8 0%, #F0F5FF 100%); }
.doc-refund   { background: linear-gradient(180deg, #E3F2FD 0%, #BBDEFB 100%); }
.doc-security { background: linear-gradient(180deg, #FFF5E6 0%, #FFECD2 100%); }
.doc-products { background: linear-gradient(180deg, #EDF7F0 0%, #D0E8D6 100%); }
/* 内容区 — 顶部 */
.hlp-doc-card .hlp-doc-body {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 32px;
    z-index: 2;
}
.hlp-doc-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #333;
}
.hlp-doc-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
    max-width: 280px;
    margin: 0;
}
.doc-refund h3, .doc-refund p { color: #1a1a2e; }
/* 图片区 — 底部70% + 渐隐遮罩 */
.hlp-doc-card .hlp-doc-image {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70%;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 1;
}
.hlp-doc-card .hlp-doc-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    mask-image: linear-gradient(to bottom, transparent 0%, black 30%);
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 30%);
}
.hlp-rec-wrap {
    background: #F7F8FA;
    padding: 36px 0;
}
.hlp-rec-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.hlp-rec-card {
    display: block;
    padding: 16px;
    background: white;
    border: 1px solid #eee;
    border-radius: 8px;
    text-decoration: none;
}
.hlp-rec-card:hover {
    border-color: #E60012;
    box-shadow: 0 2px 8px rgba(230,0,18,0.04);
}

/* 文章列表样式（替代卡片网格） */
.hlp-rec-list {
    display: flex;
    flex-direction: column;
}
.hlp-rec-list-item {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 113px;
    padding: 0;
    text-decoration: none;
    border-bottom: 1px solid #e8e8e8;
    transition: background 0.2s;
}
.hlp-rec-list-item:last-child {
    border-bottom: none;
}
.hlp-rec-list-item:hover {
    background: #FAFAFA;
}
.hlp-rec-list-item .rec-info {
    min-width: 0;
}
.hlp-rec-list-item .rec-info h4 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin: 0 0 8px 0;
    transition: color 0.2s;
}
.hlp-rec-list-item:hover .rec-info h4 {
    color: #E60012;
}
.hlp-rec-list-item .rec-info p {
    font-size: 14px;
    color: #d0d0d0;
    margin: 0;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}.hlp-rec-card h4 { font-size: 15px; font-weight: 600; color: #1A1A1A; margin-bottom: 6px; }
.hlp-rec-card p { font-size: 14px; color: #999; margin: 0; }
@media (max-width: 1024px) {
    .hlp-tool-grid, .hlp-rec-grid { grid-template-columns: repeat(3, 1fr); }
    .hlp-col-left, .hlp-col-right { flex: 1 1 100%; max-width: 100%; }
}
@media (max-width: 768px) {
    .hlp-row-2col { flex-direction: column; gap: 32px; }
    .hlp-tool-grid, .hlp-rec-grid { grid-template-columns: repeat(2, 1fr); }
    .hlp-svc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .hlp-tool-grid, .hlp-rec-grid { grid-template-columns: 1fr; }
    .hlp-svc-grid, .hlp-hotline, .hlp-quick-grid { grid-template-columns: 1fr; }
    .hlp-container { padding: 0 16px; }
}

/* ========== 悬浮工具栏 ========== */
.floating-bar {
    position: fixed;
    right: 12px;
    bottom: 80px;
    z-index: 999;
    background: white;
    border-radius: 4px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.1);
    overflow: hidden;
}

.float-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-bottom: 1px solid var(--border);
    transition: all 0.2s;
}

.float-btn:last-child {
    border-bottom: none;
}

.float-btn:hover {
    background: var(--bg-light);
}

/* ========== 汉堡菜单按钮 ========== */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    margin-left: 16px;
    flex-shrink: 0;
}
.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: #333;
    border-radius: 2px;
    transition: all 0.3s;
}
.mobile-menu-btn.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.mobile-menu-btn.open span:nth-child(2) {
    opacity: 0;
}
.mobile-menu-btn.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========== 移动端导航 ========== */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 9998;
    opacity: 0;
    transition: opacity 0.3s;
}
.mobile-nav-overlay.show {
    display: block;
    opacity: 1;
}
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: #fff;
    z-index: 99999;
    padding: 80px 24px 24px;
    overflow-y: auto;
    transition: right 0.3s ease;
    box-shadow: -4px 0 20px rgba(0,0,0,0.1);
}
.mobile-nav.show {
    right: 0;
}
.mobile-nav-item {
    display: block;
    padding: 14px 0;
    font-size: 16px;
    color: #333;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
}
.mobile-nav-item:hover,
.mobile-nav-item.active {
    color: var(--primary);
}
.mobile-nav-item.highlight {
    color: var(--primary);
    font-weight: 600;
}
.mobile-nav-divider {
    height: 1px;
    background: #e8e8e8;
    margin: 12px 0;
}

/* ========== 响应式 ========== */
@media (max-width: 1400px) {
    .models-wrapper {
        width: auto;
        padding: 40px 32px;
        gap: 40px;
    }
    .products-layout {
        width: auto;
    }
}

@media (max-width: 1200px) {
    .nav-item {
        padding: 25px 14px;
        font-size: 13px;
    }

    .header-container {
        padding: 0 40px;
    }

    .ai-container {
        padding: 0 40px;
    }

    .ai-card {
        width: auto;
        height: auto;
        min-height: 380px;
    }

    .models-container {
        padding: 0 40px;
    }

    .products-container {
        padding: 0 40px;
    }

    .solutions-container {
        padding: 0 40px;
    }

    .cases-container {
        padding: 0 40px;
    }

    .global-container {
        padding: 0 40px;
    }

    .mega-inner {
        padding: 0 40px;
    }

    .partner-dropdown {
        left: 40px;
        right: 40px;
    }

    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        justify-content: center;
    }

    .feature-card {
        width: auto;
        height: auto;
    }

    .features-grid {
        flex-wrap: wrap;
    }

    .products-grid,
    .solutions-grid,
    .ai-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-links {
        gap: 24px;
    }

    .certifications {
        margin-top: -60px;
    }
}

@media (max-width: 992px) {
    .nav-menu {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .header-right .nav-links {
        display: none;
    }

    .header-container {
        padding: 0 24px;
    }

    .entrance-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero {
        height: 320px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    .section-title {
        font-size: 28px;
    }

    .ai-container {
        padding: 0 24px;
    }

    .ai-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .ai-card {
        min-height: 320px;
    }

    .models-container {
        padding: 0 24px;
    }

    .models-wrapper {
        grid-template-columns: 1fr;
        padding: 32px 24px;
        gap: 24px;
    }

    .models-list {
        max-height: 300px;
    }

    .display-bg {
        height: 300px;
    }

    .products-container {
        padding: 0 24px;
    }

    .products-layout {
        grid-template-columns: 1fr;
        width: auto;
    }

    .products-layout > div:first-child {
        grid-row: span 1;
    }

    .products-grid-2x2 {
        height: auto;
    }

    .solutions-container {
        padding: 0 24px;
    }

    .solution-card-large {
        flex: 0 0 260px;
        height: 420px;
    }

    .cases-container {
        padding: 0 24px;
    }

    .cases-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .case-stats {
        gap: 32px;
    }

    .global-container {
        padding: 0 24px;
    }

    .global-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .map-container {
        height: 350px;
    }

    .certifications {
        flex-wrap: wrap;
        gap: 24px;
        justify-content: center;
        margin-top: 0;
    }

    .features-grid {
        flex-wrap: wrap;
    }

    .feature-card {
        width: auto;
        height: auto;
        padding: 32px 24px;
    }

    .footer-services {
        flex-wrap: wrap;
        gap: 20px;
    }

    .footer-main {
        flex-direction: column;
        gap: 40px;
    }

    .footer-left {
        width: 100%;
        border-right: none;
        padding-right: 0;
    }

    .footer-links {
        flex-wrap: wrap;
    }

    .partner-dropdown {
        left: 0;
        right: 0;
    }

    .partner-dropdown-main {
        flex-wrap: wrap;
        gap: 24px;
    }

    .partner-col {
        flex: 0 0 calc(50% - 12px);
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 60px;
    }

    .header-inner {
        height: 60px;
    }

    .top-bar {
        display: none;
    }

    .header {
        top: 0;
    }

    .header-container {
        padding: 0 16px;
    }

    .logo {
        margin-right: 16px;
    }

    .hero {
        height: 280px;
        margin-top: 0;
    }

    .hero-container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 26px;
    }

    .hero-container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 24px;
    }

    .hero-subtitle {
        font-size: 13px;
        margin-bottom: 20px;
    }

    .hero-text {
        padding-top: 20px;
        max-width: 100%;
    }

    .hero-btns {
        flex-wrap: wrap;
    }

    .btn {
        height: 40px;
        padding: 0 24px;
        font-size: 13px;
    }

    .entrance-grid,
    .products-grid,
    .solutions-grid,
    .ai-grid {
        grid-template-columns: 1fr;
    }

    .entrance-card {
        padding: 16px;
    }

    .ai-section {
        padding: 48px 0;
    }

    .ai-container {
        padding: 0 16px;
    }

    .ai-grid {
        gap: 12px;
    }

    .ai-card {
        min-height: 260px;
    }

    .ai-card-content {
        padding: 24px 24px 16px;
    }

    .ai-card-content h3 {
        font-size: 18px;
    }

    .section-title {
        font-size: 22px;
        margin-bottom: 32px;
    }

    .models-section {
        padding: 48px 0;
    }

    .models-container {
        padding: 0 16px;
    }

    .models-wrapper {
        padding: 24px 16px;
        gap: 16px;
        border-radius: 16px;
    }

    .models-list {
        max-height: 240px;
    }

    .display-bg {
        height: 240px;
    }

    .purchase-user {
        min-width: 120px;
    }

    .purchase-product {
        min-width: 80px;
    }

    .products-section {
        padding: 48px 0;
    }

    .products-container {
        padding: 0 16px;
    }

    .products-layout {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .product-card-large {
        padding: 28px 24px;
    }

    .product-large-content h3 {
        font-size: 20px;
    }

    .products-grid-2x2 {
        grid-template-columns: 1fr;
        height: auto;
    }

    .product-card-small {
        padding: 24px;
    }

    .solutions-section {
        padding: 48px 0;
    }

    .solutions-container {
        padding: 0 16px;
    }

    .main-section-title {
        font-size: 22px;
    }

    .solutions-carousel {
        gap: 12px;
    }

    .solution-card-large {
        flex: 0 0 240px;
        height: 360px;
    }

    .solution-content-top {
        padding: 24px;
    }

    .solution-card-large h3 {
        font-size: 18px;
    }

    .cases-section {
        padding: 40px 0;
    }

    .cases-container {
        padding: 0 16px;
    }

    .cases-title {
        font-size: 24px;
    }

    .cases-tabs {
        gap: 20px;
        flex-wrap: wrap;
    }

    .cases-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .case-main-title {
        font-size: 22px;
    }

    .case-stats {
        gap: 24px;
    }

    .stat-value {
        font-size: 28px;
    }

    .global-section {
        padding: 48px 0;
    }

    .global-container {
        padding: 0 16px;
    }

    .global-title {
        font-size: 22px;
        margin-bottom: 32px;
    }

    .global-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .global-stats {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .stat-box .stat-value {
        font-size: 28px;
    }

    .map-container {
        height: 280px;
    }

    .china-map-bg {
        width: 100%;
        max-height: 350px;
    }

    .certifications {
        flex-wrap: wrap;
        gap: 16px;
        justify-content: center;
        margin-top: 0;
    }

    .features-section {
        padding: 48px 0 32px;
    }

    .features-container {
        padding: 0 16px;
    }

    .features-title {
        font-size: 24px;
        margin-bottom: 32px;
    }

    .features-grid {
        flex-direction: column;
    }

    .feature-card {
        width: auto;
        height: auto;
        padding: 24px 20px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
    }

    .footer-copyright {
        text-align: center;
    }

    .footer-legal {
        justify-content: center;
        margin-left: 0;
    }

    .floating-bar {
        display: none;
    }

    .hlp-container {
        padding: 0 16px;
    }

    .hlp-scene-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .hlp-doc-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hlp-doc-card {
        height: 360px;
    }

    .support-hero {
        padding: 60px 0 40px;
        min-height: 240px;
    }

    .support-hero-content h1 {
        font-size: 26px;
    }

    .support-hero-search {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .hero {
        height: 240px;
    }

    .hero-title {
        font-size: 20px;
    }

    .entrance-grid {
        grid-template-columns: 1fr;
    }

    .ai-card-content h3 {
        font-size: 16px;
    }

    .solution-card-large {
        flex: 0 0 200px;
        height: 300px;
    }

    .hlp-scene-list {
        grid-template-columns: 1fr;
    }

    .hlp-doc-grid {
        grid-template-columns: 1fr;
    }

    .hlp-doc-card {
        height: 280px;
    }

    .global-stats {
        grid-template-columns: 1fr;
    }

    .products-tabs {
        gap: 16px;
        flex-wrap: wrap;
    }

    .solutions-header {
        gap: 16px;
        flex-wrap: wrap;
    }

    .cases-tabs {
        gap: 12px;
    }

    .btn-register {
        padding: 8px 16px;
        font-size: 13px;
    }
}

/* ========================================
   定价页面 - 官网风格
   ======================================== */

/* 产品定价 - 筛选+网格 */
.pricing-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.pricing-section-title {
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    color: #1A1A1A;
    margin-bottom: 32px;
    line-height: 1.4;
}

.pricing-products-section {
    background: white;
    padding: 48px 0 64px;
    border-bottom: 1px solid #F0F0F0;
}

.pricing-products-layout {
    display: flex;
    gap: 32px;
    align-items: flex-start;
}

/* 左侧筛选 */
.pricing-filter {
    width: 220px;
    flex-shrink: 0;
    background: #FAFAFA;
    border-radius: 8px;
    padding: 20px;
    border: 1px solid #EFEFEF;
}

.filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid #EFEFEF;
}

.filter-title {
    font-size: 14px;
    font-weight: 600;
    color: #333;
}

.filter-clear {
    font-size: 12px;
    color: #999;
    text-decoration: none;
}

.filter-clear:hover {
    color: #E60012;
}

.filter-group {
    margin-bottom: 20px;
}

.filter-group-title {
    font-size: 13px;
    font-weight: 600;
    color: #555;
    margin-bottom: 10px;
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 2px 0;
}

.filter-checkbox {
    display: none;
}

.filter-checkmark {
    width: 14px;
    height: 14px;
    border: 1.5px solid #CCC;
    border-radius: 2px;
    flex-shrink: 0;
    position: relative;
    transition: all 0.2s;
}

.filter-checkbox:checked + .filter-checkmark {
    background: #E60012;
    border-color: #E60012;
}

.filter-checkbox:checked + .filter-checkmark::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.filter-label {
    font-size: 13px;
    color: #666;
}

.filter-checkbox:checked ~ .filter-label {
    color: #E60012;
}

/* 右侧产品网格 */
.pricing-product-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.pricing-prod-card {
    background: white;
    border: 1px solid #EFEFEF;
    border-radius: 8px;
    padding: 20px;
    transition: all 0.25s;
    display: flex;
    flex-direction: column;
}

.pricing-prod-card:hover {
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    transform: translateY(-2px);
}

.prod-card-icon {
    width: 36px;
    height: 36px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
}

.prod-card-icon img {
    max-width: 100%;
    max-height: 100%;
}

.prod-card-info {
    flex: 1;
    margin-bottom: 12px;
}

.prod-card-name {
    font-size: 16px;
    font-weight: 600;
    border-bottom: 1px solid #f5f5f5;
    font-weight: 600;
    color: #222;
    margin-bottom: 4px;
}

.prod-card-desc {
    font-size: 12px;
    color: #999;
    line-height: 1.5;
    margin-bottom: 8px;
}

.prod-card-extras {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.prod-extra {
    font-size: 12px;
    color: #888;
    line-height: 1.4;
}

.prod-extra:before {
    content: '• ';
    color: #E60012;
}

.prod-card-tags {
    margin-bottom: 10px;
}

.prod-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 500;
    padding: 2px 8px;
    border-radius: 3px;
}

.prod-tag.hot {
    background: #FFF0F0;
    color: #E60012;
}

.prod-tag.recommend {
    background: #E8FFE8;
    color: #00A651;
}

.prod-card-action {
    display: flex;
    gap: 16px;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid #F5F5F5;
}

.prod-btn-primary {
    font-size: 13px;
    color: #E60012;
    text-decoration: none;
    font-weight: 500;
    white-space: nowrap;
}

.prod-btn-primary:hover {
    color: #CC0010;
    text-decoration: underline;
}

.prod-btn-link {
    font-size: 13px;
    color: #666;
    text-decoration: none;
    white-space: nowrap;
}

.prod-btn-link:hover {
    color: #E60012;
}

/* 响应式 */
@media (max-width: 1024px) {
    .billing-row {
        grid-template-columns: 1fr;
    }
    
    .pricing-products-layout {
        flex-direction: column;
    }
    
    .pricing-filter {
        width: 100%;
    }
    
    .pricing-product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .pricing-product-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-section-title {
        font-size: 20px;
    }
    
    .billing-btns {
        flex-wrap: wrap;
        gap: 12px;
    }
}

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }
    
    .header {
        top: 0;
    }
    
    .hero {
        margin-top: 64px;
        height: 400px;
    }
    
    .hero-title {
        font-size: 26px;
    }
    
    .entrance-grid,
    .products-grid,
    .solutions-grid,
    .features-grid,
    .ai-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
    }
    
    .footer-copyright {
        text-align: center;
    }
    
    .footer-legal {
        justify-content: center;
    }
    
    .floating-bar {
        display: none;
    }
}