/* =====================================================
   北京百众云智 - 全局样式 (Bestz Cloud Redesign)
   设计语言：现代、专业、云端科技感
   ===================================================== */

/* ----- CSS 变量 ----- */
:root {
    --color-primary: #0052d9;          /* 主蓝：腾讯云蓝 */
    --color-primary-dark: #003c99;
    --color-primary-light: #3385ff;
    --color-accent: #6e7eff;           /* 紫色点缀：AI感 */
    --color-accent-2: #00d4ff;         /* 青色点缀 */
    --color-gradient: linear-gradient(135deg, #0052d9 0%, #3385ff 50%, #6e7eff 100%);
    --color-gradient-ai: linear-gradient(135deg, #6e7eff 0%, #a560ff 50%, #00d4ff 100%);
    --color-gradient-warm: linear-gradient(135deg, #ff8a3d 0%, #ff5252 100%);

    --color-bg: #ffffff;
    --color-bg-soft: #f7faff;
    --color-bg-card: #ffffff;
    --color-bg-dark: #0a1535;
    --color-text: #1a1a2e;
    --color-text-soft: #5a5f7a;
    --color-text-muted: #8a8fa3;
    --color-border: #e5eaf3;
    --color-border-hover: #c5cce0;

    --shadow-sm: 0 2px 8px rgba(10, 21, 53, 0.04);
    --shadow-md: 0 8px 24px rgba(10, 21, 53, 0.08);
    --shadow-lg: 0 20px 60px rgba(10, 21, 53, 0.12);
    --shadow-hover: 0 24px 60px rgba(0, 82, 217, 0.18);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
                 "Helvetica Neue", Helvetica, Arial, sans-serif;
    --font-mono: "SF Mono", "JetBrains Mono", Menlo, Monaco, Consolas, monospace;

    --container-width: 1200px;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

img, svg {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-base);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

/* ----- 通用容器 ----- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 56px;
}

.section-title h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.section-title .accent {
    background: var(--color-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title p {
    font-size: 16px;
    color: var(--color-text-soft);
}

/* ----- 顶部信息条 ----- */
.topbar {
    background: var(--color-bg-dark);
    color: #fff;
    font-size: 13px;
    padding: 8px 0;
}

.topbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.topbar-info {
    display: flex;
    gap: 24px;
}

.topbar-info a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.85);
}

.topbar-info a:hover {
    color: var(--color-accent-2);
}

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

.topbar-social a {
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: background var(--transition-base);
}

.topbar-social a:hover {
    background: var(--color-primary);
}

.topbar-social svg {
    width: 12px;
    height: 12px;
    fill: #fff;
}

/* ----- 主导航 ----- */
.navbar {
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    padding-bottom: 16px;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 18px;
    color: var(--color-text);
}

.navbar-logo img {
    height: 52px;
    width: auto;
    display: block;
    transition: transform var(--transition-base);
}

.navbar-logo:hover img {
    transform: scale(1.02);
}

/* 备用：文字型 logo（当图片不可用时） */
.navbar-logo .logo-icon {
    width: 40px;
    height: 40px;
    background: var(--color-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    box-shadow: 0 6px 16px rgba(0, 82, 217, 0.3);
}

.navbar-logo .logo-text small {
    display: block;
    font-size: 12px;
    font-weight: 400;
    color: var(--color-text-muted);
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    gap: 4px;
    align-items: center;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: block;
    padding: 10px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    position: relative;
}

.nav-menu > li > a:hover,
.nav-menu > li.active > a {
    color: var(--color-primary);
    background: rgba(0, 82, 217, 0.06);
}

.nav-menu > li.has-children > a::after {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg);
    margin-left: 6px;
    margin-bottom: 2px;
    transition: transform var(--transition-base);
}

.nav-menu > li.has-children:hover > a::after {
    transform: rotate(-135deg);
    margin-bottom: -2px;
}

/* ----- 子菜单 ----- */
.submenu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 220px;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border);
}

.nav-menu > li:hover > .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.submenu li a {
    display: block;
    padding: 10px 14px;
    font-size: 14px;
    color: var(--color-text-soft);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.submenu li a:hover {
    background: rgba(0, 82, 217, 0.06);
    color: var(--color-primary);
    padding-left: 18px;
}

/* 移动端汉堡菜单 */
.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-soft);
    border-radius: var(--radius-sm);
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    background: var(--color-text);
    position: relative;
    transition: all var(--transition-base);
}

.nav-toggle span::before,
.nav-toggle span::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--color-text);
    left: 0;
    transition: all var(--transition-base);
}

.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* ----- 主按钮 ----- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    border: 1px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background: var(--color-gradient);
    color: #fff;
    box-shadow: 0 4px 14px rgba(0, 82, 217, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 82, 217, 0.4);
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
}

.btn-white {
    background: #fff;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ----- Hero 区 ----- */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: var(--color-gradient);
    overflow: hidden;
    color: #fff;
    padding: 80px 0 100px;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(110, 126, 255, 0.4) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.3) 0%, transparent 40%),
        radial-gradient(circle at 60% 80%, rgba(165, 96, 255, 0.3) 0%, transparent 50%);
    pointer-events: none;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 760px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 100px;
    font-size: 13px;
    margin-bottom: 24px;
    font-weight: 500;
}

.hero-badge::before {
    content: "";
    width: 6px;
    height: 6px;
    background: var(--color-accent-2);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-accent-2);
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, #fff 0%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    max-width: 640px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 64px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stats .stat .num {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 4px;
    background: linear-gradient(135deg, #fff 0%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
    z-index: 1;
}

.hero-orb.one {
    width: 400px;
    height: 400px;
    background: rgba(110, 126, 255, 0.4);
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.hero-orb.two {
    width: 320px;
    height: 320px;
    background: rgba(0, 212, 255, 0.3);
    bottom: -50px;
    right: 30%;
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-30px, -30px); }
}

/* ----- 数据统计条 ----- */
.stats-bar {
    background: #fff;
    padding: 48px 0;
    margin-top: -60px;
    position: relative;
    z-index: 5;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
}

.stats-bar .container {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 32px;
    align-items: center;
    padding: 0 48px;
}

.stats-bar .stat {
    text-align: center;
    padding: 0 24px;
    border-right: 1px solid var(--color-border);
}

.stats-bar .stat:last-child {
    border-right: none;
}

.stats-bar .stat-number {
    font-size: 48px;
    font-weight: 800;
    background: var(--color-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.stats-bar .stat-label {
    font-size: 16px;
    color: var(--color-text-soft);
    font-weight: 500;
}

.stats-bar .stat-rotating {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    position: relative;
    min-height: 32px;
}

/* ----- 产品区域 ----- */
.products-section {
    background: var(--color-bg-soft);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-category {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.product-category:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.product-category .cat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--color-gradient);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
}

.product-category h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-text);
}

.product-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.product-list a {
    color: var(--color-text-soft);
    font-size: 14px;
    padding: 4px 0;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color var(--transition-base);
}

.product-list a::before {
    content: "›";
    color: var(--color-text-muted);
    transition: transform var(--transition-base);
}

.product-list a:hover {
    color: var(--color-primary);
}

.product-list a:hover::before {
    transform: translateX(4px);
    color: var(--color-primary);
}

.product-list .hot::after {
    content: "HOT";
    display: inline-block;
    background: var(--color-gradient-warm);
    color: #fff;
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 3px;
    font-weight: 700;
    margin-left: 6px;
    letter-spacing: 0.5px;
}

/* ----- 服务流程区 ----- */
.services-section {
    background: #fff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.service-card {
    text-align: left;
    padding: 32px 24px;
    background: var(--color-bg-soft);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    position: relative;
}

.service-card:hover {
    background: #fff;
    border-color: var(--color-primary);
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.service-card .icon {
    width: 56px;
    height: 56px;
    background: var(--color-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 20px;
    font-size: 24px;
    font-weight: 700;
}

.service-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
}

.service-card ul {
    font-size: 13px;
    color: var(--color-text-soft);
    line-height: 1.9;
}

.service-card ul li::before {
    content: "·";
    color: var(--color-primary);
    margin-right: 6px;
    font-weight: 700;
}

/* ----- 团队荣誉 ----- */
.honors-section {
    background: var(--color-bg-soft);
}

.honors-carousel {
    overflow: hidden;
    position: relative;
}

.honors-track {
    display: flex;
    gap: 24px;
    animation: scroll 30s linear infinite;
}

@keyframes scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.honor-card {
    min-width: 280px;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.honor-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.honor-card .badge {
    width: 80px;
    height: 80px;
    background: var(--color-gradient);
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 32px;
    box-shadow: 0 8px 20px rgba(0, 82, 217, 0.3);
}

.honor-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
}

.honor-card p {
    font-size: 13px;
    color: var(--color-text-soft);
}

/* ----- 客户 logo ----- */
.customers-section {
    background: #fff;
}

.customers-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.customer-logo {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
    transition: all var(--transition-base);
    overflow: hidden;
}

.customer-logo img {
    max-width: 100%;
    max-height: 70px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(0%);
    opacity: 0.85;
    transition: all var(--transition-base);
}

.customer-logo:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.customer-logo:hover img {
    opacity: 1;
    transform: scale(1.05);
}

/* ----- CTA 区 ----- */
.cta-section {
    background: var(--color-gradient);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(110, 126, 255, 0.4) 0%, transparent 40%),
        radial-gradient(circle at 80% 30%, rgba(0, 212, 255, 0.3) 0%, transparent 40%);
}

.cta-section .container {
    position: relative;
    z-index: 2;
    text-align: center;
}

.cta-section h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.cta-section p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ----- 页脚 ----- */
.footer {
    background: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 24px;
}

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

.footer-brand h3 {
    color: #fff;
    font-size: 20px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-brand h3 img {
    height: 40px;
    width: auto;
    background: #fff;
    padding: 6px 10px;
    border-radius: 8px;
    display: block;
}

.footer-brand p {
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 14px;
}

.footer-contact {
    font-size: 14px;
    line-height: 1.9;
}

.footer-contact strong {
    color: #fff;
    display: block;
    margin-bottom: 4px;
}

.footer h4 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer ul li {
    margin-bottom: 10px;
}

.footer ul li a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    transition: color var(--transition-base);
}

.footer ul li a:hover {
    color: var(--color-accent-2);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom a:hover {
    color: var(--color-accent-2);
}

/* ----- 响应式 ----- */
@media (max-width: 1024px) {
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .customers-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
    .topbar { display: none; }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 16px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        transition: transform var(--transition-base);
        max-height: calc(100vh - 72px);
        overflow-y: auto;
    }

    .nav-menu.open {
        transform: translateY(0);
    }

    .nav-menu > li { width: 100%; }
    .nav-menu > li > a {
        display: flex;
        justify-content: space-between;
        padding: 14px 16px;
    }

    .submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding: 0 0 0 16px;
        display: none;
    }

    .nav-menu > li:hover > .submenu,
    .nav-menu > li.active > .submenu {
        display: block;
    }

    .nav-toggle { display: flex; }

    .hero h1 { font-size: 36px; }
    .hero-subtitle { font-size: 16px; }
    .hero-stats { grid-template-columns: 1fr; gap: 16px; }
    .stats-bar .container { grid-template-columns: 1fr; padding: 0 24px; }
    .stats-bar .stat { border-right: none; border-bottom: 1px solid var(--color-border); padding-bottom: 16px; }
    .stats-bar .stat:last-child { border-bottom: none; }

    .section { padding: 56px 0; }
    .section-title h2 { font-size: 28px; }

    .products-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr 1fr; }
.customers-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }

    .cta-section h2 { font-size: 28px; }
}

@media (max-width: 480px) {
    .services-grid { grid-template-columns: 1fr; }
    .customers-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn { justify-content: center; }
}

/* ----- 成为我们的客户 双卡 ----- */
.become-customer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.become-card {
    display: flex;
    gap: 20px;
    padding: 32px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
}

.become-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(10,21,53,0.12);
    border-color: var(--color-primary);
}

.become-card .icon-box {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    background: var(--color-gradient);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.become-card.purple .icon-box {
    background: linear-gradient(135deg, #6e7eff 0%, #a560ff 100%);
}

.become-card .step {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 4px;
    font-weight: 600;
}

.become-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text);
}

.become-card p {
    color: var(--color-text-soft);
    font-size: 14px;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .become-customer-grid { grid-template-columns: 1fr; }
}

/* ----- 页面顶部 Banner ----- */
.page-banner {
    background: var(--color-gradient);
    color: #fff;
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 30% 50%, rgba(110, 126, 255, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(0, 212, 255, 0.2) 0%, transparent 50%);
}

.page-banner .container {
    position: relative;
    z-index: 2;
}

.page-banner h1 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.page-banner p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    max-width: 600px;
    margin: 0 auto;
}

/* ----- 内页内容 ----- */
.content-section {
    padding: 64px 0;
}

.content-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    margin-bottom: 24px;
}

.content-card h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-text);
}

.content-card p {
    color: var(--color-text-soft);
    line-height: 1.8;
    margin-bottom: 12px;
}

.content-card ul {
    list-style: none;
    padding-left: 0;
}

.content-card ul li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 8px;
    color: var(--color-text-soft);
}

.content-card ul li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ----- 数字滚动 ----- */
.counter {
    display: inline-block;
}