/* ==========================================
   友仓 - 智能仓储解决方案 样式表
   Vmwms风格 · 橙色科技风
   ========================================== */

/* ---------- CSS变量 ---------- */
:root {
    --primary: #FF6B00;
    --primary-dark: #E05D00;
    --primary-light: #FF8A33;
    --dark: #0F172A;
    --dark2: #1E293B;
    --gray: #64748B;
    --gray-light: #94A3B8;
    --light: #F8FAFC;
    --light-gray: #F1F5F9;
    --white: #FFFFFF;
    --radius: 8px;
    --radius-lg: 16px;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-orange: 0 4px 20px rgba(255,107,0,0.3);
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ---------- 全局重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    overflow-x: hidden;
    background: var(--white);
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ---------- 导航栏 ---------- */
.navbar {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
    transition: var(--transition);
    height: 72px;
    display: flex;
    align-items: center;
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.logo img {
    height: 44px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 36px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark2);
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}

/* 下拉菜单 */
.dropdown { position: relative; }
.dropdown-menu {
    position: absolute;
    top: calc(100% + 16px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 200px;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius);
    list-style: none;
    padding: 8px 0;
    opacity: 0; visibility: hidden;
    transition: var(--transition);
}

.dropdown:hover .dropdown-menu {
    opacity: 1; visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu li { margin: 0; }
.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--dark2) !important;
}
.dropdown-menu a:hover {
    background: rgba(255,107,0,0.06);
    color: var(--primary) !important;
}

/* 导航操作区 */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-switch {
    font-size: 13px;
    font-weight: 500;
    color: var(--gray);
    cursor: pointer;
}
.lang-switch .active { color: var(--primary); font-weight: 600; }
.lang-switch .divider { margin: 0 2px; cursor: default; }

.btn-nav {
    background: var(--primary);
    color: #fff !important;
    padding: 10px 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
}
.btn-nav:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-orange);
    transform: translateY(-1px);
}

/* 汉堡菜单 */
.hamburger { display: none; flex-direction: column; cursor: pointer; gap: 5px; }
.hamburger span {
    width: 24px; height: 2px;
    background: var(--dark2);
    transition: var(--transition);
}

/* ---------- Hero首屏 ---------- */
.hero {
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-slider { position: absolute; inset: 0; z-index: 0; }
.slide {
    position: absolute; inset: 0;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
}
.slide.active { opacity: 1; }
.slide-bg {
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(
        180deg,
        rgba(0,0,0,0.55) 0%,
        rgba(0,0,0,0.45) 50%,
        rgba(0,0,0,0.6) 100%
    );
}

/* 左侧社交图标 */
.hero-social {
    position: absolute;
    left: 40px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.hero-social a {
    width: 38px; height: 38px;
    border: 1px solid rgba(255,255,255,0.35);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 15px;
    transition: var(--transition);
    text-decoration: none;
}

.hero-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* 中间主文案 */
.hero-content {
    position: relative; z-index: 10;
    text-align: center;
    max-width: 800px;
    padding: 0 32px;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -1px;
}

.hero-title .accent-line {
    display: inline-block;
    position: relative;
}

.hero-title .accent-line::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 0; width: 100%; height: 10px;
    background: var(--primary);
    border-radius: 4px;
    z-index: -1;
    opacity: 0.9;
}

.hero-subtitle {
    color: rgba(255,255,255,0.85);
    font-size: 20px;
    margin-top: 24px;
    letter-spacing: 2px;
    font-weight: 400;
}

.hero-buttons { margin-top: 40px; }

.btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--primary);
    color: #fff;
    padding: 16px 40px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(255,107,0,0.4);
}

.btn-hero:hover {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 8px 30px rgba(255,107,0,0.4);
    transform: translateY(-2px);
}

.btn-hero i { transition: var(--transition); }
.btn-hero:hover i { transform: translateX(4px); }

/* 右侧滚动提示 */
.hero-scroll-hint {
    position: absolute;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.6);
    font-size: 11px;
    letter-spacing: 3px;
    writing-mode: vertical-rl;
}

.scroll-line {
    width: 1px; height: 60px;
    background: rgba(255,255,255,0.3);
}

/* 底部服务卡片 */
.hero-service-cards {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    width: 90%;
    max-width: 1100px;
}

.service-card {
    background: rgba(0,0,0,0.45);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
}

.service-card:hover {
    background: rgba(255,107,0,0.25);
    border-color: rgba(255,107,0,0.4);
    transform: translateY(-4px);
}

.service-icon {
    width: 44px; height: 44px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
}

.service-text h4 {
    color: #fff;
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 6px;
}

.service-text p {
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    line-height: 1.5;
}

.service-arrow {
    color: var(--primary);
    font-size: 14px;
    align-self: flex-end;
    transition: var(--transition);
}
.service-card:hover .service-arrow { transform: translateX(4px); }

/* Logo卡片 */
.service-card.logo-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 12px;
}

.hero-logo {
    height: 48px;
    width: auto;
    filter: brightness(0) invert(1);
    margin-bottom: 4px;
}

/* 轮播指示器 */
.slider-indicators {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 10px;
}

.indicator {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: var(--transition);
}
.indicator.active {
    background: var(--primary);
    width: 28px;
    border-radius: 5px;
}

/* ---------- 通用区块 ---------- */
section { padding: 100px 0; }

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -1px;
}

.accent-dot {
    position: relative;
    color: var(--primary);
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray);
    margin-top: 16px;
    font-weight: 400;
}

/* ---------- 关于我们 ---------- */
.about-section { background: var(--white); }

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-text p {
    color: var(--gray);
    font-size: 16px;
    line-height: 1.9;
    margin-bottom: 16px;
}

.about-stats {
    display: flex;
    gap: 48px;
    margin-top: 36px;
}

.about-stat { text-align: center; }
.about-stat .stat-num {
    display: block;
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
}
.about-stat .stat-desc {
    font-size: 14px;
    color: var(--gray);
    margin-top: 4px;
}

.about-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ---------- 产品中心 ---------- */
.products-section { background: var(--light); }

.core-modules {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* 3D数字孪生平台全宽卡片 */
.module-featured {
    border: 1px solid rgba(255,107,0,0.12);
    background: linear-gradient(135deg, #fff 0%, rgba(255,107,0,0.02) 100%);
}

.module-featured .module-icon {
    width: 280px;
    height: 190px;
}

/* 全宽卡片要点双列布局 */
.module-featured .module-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 24px;
}

@media (max-width: 768px) {
    .module-featured .module-features {
        grid-template-columns: 1fr;
    }
    .module-featured .module-icon {
        width: 100%;
        height: 180px;
    }
}

/* 4模块2x2子网格 */
.modules-subgrid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.module-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow);
    display: flex;
    gap: 28px;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
}

.module-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255,107,0,0.15);
}

.module-icon {
    flex-shrink: 0;
    width: 160px;
    height: 120px;
    border-radius: var(--radius);
    overflow: hidden;
}

.module-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.module-info h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.module-info > p {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 16px;
}

.module-features {
    list-style: none;
    padding: 0;
}

.module-features li {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.9;
    padding-left: 18px;
    position: relative;
}

.module-features li::before {
    content: '';
    position: absolute;
    left: 0; top: 10px;
    width: 6px; height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

/* ---------- 解决方案 ---------- */
.solutions-section { background: var(--white); }

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.solution-card {
    text-align: center;
    padding: 48px 28px;
    border-radius: var(--radius-lg);
    background: var(--light);
    transition: var(--transition);
    border: 1px solid transparent;
}

.solution-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255,107,0,0.1);
    transform: translateY(-4px);
}

.solution-card i {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 20px;
}

.solution-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.solution-card p {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.7;
}

/* ---------- 集成商 & 标杆客户 ---------- */
.cases-section { background: var(--white); }

/* 大标题细调：&标杆客户 比 集成商 小2px */
.cases-section .section-title .accent-dot {
    font-size: 0.95em;
}

/* 大标题与副标题间距缩小10px */
.cases-section .section-subtitle {
    margin-top: 6px;
}

/* 分组 */
.partner-group { margin-bottom: 48px; }
.partner-group:last-of-type { margin-bottom: 40px; }

.partner-group-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 24px;
    padding-left: 24px;
    border-left: 4px solid var(--primary);
    line-height: 1;
    display: flex;
    align-items: center;
}

/* Logo 卡片网格 */
.partner-logo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.partner-logo-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 24px;
    min-height: 180px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #f0f0f0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 18px;
}

.partner-logo-card:hover {
    background: #ffffff;
    box-shadow: 0 12px 28px rgba(0,0,0,0.06);
    border-color: #ff7d00;
    transform: translateY(-4px);
}

.logo-card-img {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    width: 100%;
}

/* 横版logo：统一最大宽度130px，高度等比 */
.logo-h {
    max-width: 130px;
    height: auto;
}

/* 横版logo单独微调 */
.logo-h.kuka     { max-width: 105px; }
.logo-h.zhongyou { max-width: 130px; }
.logo-h.kion     { max-width: 115px; }
.logo-h.haikang  { max-width: 110px; }

/* 竖版/方形logo：统一最大高度68px，宽度等比 */
.logo-v {
    max-height: 68px;
    width: auto;
}

.partner-logo-card span {
    font-size: 14px;
    font-weight: 400;
    color: #333333;
    flex-shrink: 0;
}

/* 响应式 */
@media (max-width: 1024px) {
    .partner-logo-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .partner-logo-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .partner-logo-card { min-height: 150px; }
}

/* 标杆案例高亮 */
.case-highlight {
    background: linear-gradient(135deg, var(--dark2) 0%, var(--dark) 100%);
    border-radius: var(--radius-lg);
    padding: 40px 48px;
    display: flex;
    align-items: center;
    gap: 36px;
}

.case-highlight-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.case-highlight-logo img {
    height: 48px;
    width: auto;
    background: #fff;
    border-radius: 10px;
    padding: 14px 20px;
}

.case-highlight-logo .case-badge {
    font-size: 12px;
    padding: 4px 14px;
}

.case-highlight .case-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}

.case-highlight-content h3 {
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
}

.case-highlight-content > p {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
}

.case-highlight-metrics {
    display: flex;
    gap: 40px;
    margin-top: 20px;
}

.case-highlight-metrics .metric {
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.55);
}
.case-highlight-metrics .metric span {
    display: block;
    font-size: 30px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 2px;
}

/* ---------- 行业案例 ---------- */
.industry-cases-section {
    background: var(--light);
    position: relative;
}

.industry-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.industry-case-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    border: 1px solid transparent;
}

.industry-case-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255,107,0,0.2);
}

.case-card-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.case-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.industry-case-card:hover .case-card-image img {
    transform: scale(1.08);
}

.case-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        transparent 40%,
        rgba(0,0,0,0.55) 100%
    );
    z-index: 1;
}

.case-card-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 4px;
    letter-spacing: 1px;
}

.case-card-body {
    padding: 20px 22px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.case-card-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
    transition: var(--transition);
}

.industry-case-card:hover .case-card-body h3 {
    color: var(--primary);
}

.case-card-body p {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.7;
    flex: 1;
}

/* 响应式 */
@media (max-width: 1024px) {
    .industry-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .industry-cases-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .case-card-image {
        height: 180px;
    }
}

/* ---------- 页脚 ---------- */
.footer {
    background: var(--dark);
    color: #fff;
    padding: 64px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .footer-logo {
    height: 44px;
    width: auto;
    margin-bottom: 20px;
    padding-left: 16px;
    padding-right: 16px;
    display: block;
}

.footer-brand p {
    color: rgba(255,255,255,0.55);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}
.footer-social a {
    width: 36px; height: 36px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
    text-decoration: none;
}
.footer-social a:hover {
    background: var(--primary);
    color: #fff;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a {
    color: rgba(255,255,255,0.55);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}
.footer-col a:hover { color: var(--primary); }

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(255,255,255,0.55);
    font-size: 14px;
}
.footer-contact i {
    color: var(--primary);
    margin-top: 3px;
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 3px solid var(--primary);
    padding-top: 24px;
    text-align: center;
    color: #888;
    font-size: 13px;
}

.footer-legal {
    margin: 0 0 10px 0;
    line-height: 1.8;
}

.footer-beian {
    margin: 0;
    line-height: 1.8;
}

.footer-beian a {
    color: #adb5bd;
    text-decoration: none;
    margin: 0 15px;
    transition: color 0.3s;
}

.footer-beian a:hover {
    color: var(--primary);
}

/* ---------- 模态框 ---------- */
.modal {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.65);
    z-index: 10000;
    overflow-y: auto;
    padding: 32px;
}

.modal-content {
    background: var(--white);
    margin: 4% auto;
    border-radius: var(--radius-lg);
    width: 92%;
    max-width: 960px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    padding: 20px 32px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 { font-size: 22px; font-weight: 600; }

.modal-close {
    font-size: 28px;
    cursor: pointer;
    transition: var(--transition);
}
.modal-close:hover { transform: scale(1.15); }

.modal-body {
    padding: 36px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: start;
}

.modal-image img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.modal-text h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--dark);
    padding-left: 12px;
    border-left: 3px solid var(--primary);
}

.modal-text p {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.modal-text ul { list-style: none; }
.modal-text li {
    color: var(--gray);
    line-height: 1.9;
    padding-left: 20px;
    position: relative;
    margin-bottom: 6px;
}
.modal-text li::before {
    content: '';
    position: absolute;
    left: 0; top: 11px;
    width: 6px; height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .hero-title { font-size: 48px; }
    .hero-service-cards { grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .service-card { padding: 20px 16px; }
    .service-text h4 { font-size: 15px; }
    .service-text p { font-size: 12px; }

    .modules-subgrid { grid-template-columns: 1fr; }
    .solutions-grid { grid-template-columns: repeat(2, 1fr); }
    .case-showcase { grid-template-columns: 1fr; }
    .about-content { grid-template-columns: 1fr; gap: 48px; }
    .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }
    .nav-links { display: none; }
    .nav-actions .lang-switch { display: none; }
    .hamburger { display: flex; }

    .hero-title { font-size: 36px; }
    .hero-subtitle { font-size: 16px; letter-spacing: 1px; }
    .hero-social { display: none; }
    .hero-scroll-hint { display: none; }
    .hero-service-cards {
        grid-template-columns: repeat(2, 1fr);
        bottom: 60px;
        gap: 10px;
    }

    .section-title { font-size: 30px; }
    section { padding: 64px 0; }

    .modules-subgrid { grid-template-columns: 1fr; }
    .module-card { flex-direction: column; padding: 28px; }
    .module-icon { width: 100%; height: 160px; }
    .solutions-grid { grid-template-columns: 1fr; }
    .partner-logos { gap: 32px; }
    .footer-content { grid-template-columns: 1fr; }

    .modal-body { grid-template-columns: 1fr; }
}

/* Nav-links mobile active */
.nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--white);
    padding: 20px 32px;
    box-shadow: var(--shadow-lg);
    gap: 16px;
}

/* ---------- 橙色波浪分隔 ---------- */
.products-section {
    position: relative;
}
.products-section::before {
    content: '';
    position: absolute;
    top: -1px; left: 0; width: 100%;
    height: 60px;
    background: var(--white);
    clip-path: ellipse(60% 100% at 50% 0%);
}