/* =========================================================
   泛博信息官网样式 site.css
   现代企业官网风格：深蓝主题 + 卡片布局
   包含：导航栏 / 弹窗（登录、注册、修改密码、重置密码）/ Hero / 业务卡片 / 产品 / 页脚
   ========================================================= */

:root {
    --primary: #0a1f44;        /* 深蓝主色 */
    --primary-light: #12346b;
    --accent: #2f6bff;         /* 强调蓝 */
    --accent-hover: #1f54d6;
    --text-main: #1f2937;
    --text-sub: #6b7280;
    --bg-light: #f5f7fb;
    --card-shadow: 0 10px 30px rgba(10, 31, 68, 0.08);
    --radius: 14px;
}

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

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--text-main);
    background: #fff;
    line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.clearfix::after { content: ""; display: block; clear: both; }

/* ===================== 导航栏（navbar fragment 使用） ===================== */
.index-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
    height: 72px;
    background: rgba(10, 31, 68, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
    transition: background .3s ease, height .3s ease;
}
.index-header.scrolled {
    background: rgba(10, 31, 68, 0.97);
    height: 60px;
}
.index-logo { display: flex; align-items: center; }
.index-logo img { height: 42px; width: auto; }

.index-nav { display: flex; align-items: center; gap: 8px; }
.index-nav li { position: relative; }
.index-nav li a {
    display: block;
    padding: 8px 18px;
    color: #e5e9f2;
    font-size: 15px;
    border-radius: 6px;
    transition: color .2s, background .2s;
}
.index-nav li a:hover { color: #fff; background: rgba(255, 255, 255, 0.12); }
.index-nav li a.active {
    color: #fff;
    background: var(--accent);
    box-shadow: 0 4px 12px rgba(47, 107, 255, 0.4);
}

.index-header-right { display: flex; align-items: center; }
#account-display {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    color: #e5e9f2;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: background .2s;
}
#account-display:hover { background: rgba(255, 255, 255, 0.22); }

/* ===================== 弹窗（common.js 使用，样式保留） ===================== */
.popup {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: #fff;
    padding: 15px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    min-width: 190px;
    animation: slideIn 0.25s ease-out;
}
@keyframes slideIn {
    from { transform: translateY(10px); opacity: 0; }
    to   { transform: translateY(0); opacity: 1; }
}
.popup button {
    display: block;
    width: 100%;
    padding: 10px 15px;
    margin-bottom: 5px;
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    border-radius: 6px;
    font-size: 14px;
    transition: background 0.2s;
}
.popup button:hover { background: #f3f4f6; }

.close-btn {
    position: absolute;
    top: 8px; right: 12px;
    cursor: pointer;
    font-size: 20px;
    color: #9ca3af;
    background: none;
    border: none;
}

.login-popup, .register-popup, .account-info-popup, .change-password-popup, .reset-password-popup {
    display: none;
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 380px;
    max-width: 92%;
    background: #fff;
    padding: 32px 28px 28px;
    border-radius: 14px;
    box-shadow: 0 20px 60px rgba(10, 31, 68, 0.25);
    z-index: 1002;
}
.login-popup h3, .register-popup h3, .account-info-popup h3,
.change-password-popup h3, .reset-password-popup h3 {
    text-align: center;
    margin-bottom: 22px;
    color: var(--primary);
    font-size: 20px;
}
.login-popup input, .register-popup input, .change-password-popup input, .reset-password-popup input {
    display: block;
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 16px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 15px;
    box-sizing: border-box;
    outline: none;
    transition: border-color .2s;
}
.login-popup input:focus, .register-popup input:focus,
.change-password-popup input:focus, .reset-password-popup input:focus {
    border-color: var(--accent);
}
.login-popup button, .register-popup button, .change-password-popup button, .reset-password-popup button {
    width: 100%;
    padding: 12px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: background .2s;
}
.login-popup button:hover, .register-popup button:hover,
.change-password-popup button:hover, .reset-password-popup button:hover {
    background: var(--accent-hover);
}
.form-group { position: relative; margin-bottom: 16px; }
.form-group input { margin-bottom: 0; }
.required-mark {
    position: absolute;
    right: 14px; top: 50%;
    transform: translateY(-50%);
    color: #dc2626;
    font-size: 1.2em;
    font-weight: bold;
}
.user-info p { margin: 12px 0; line-height: 1.7; color: #374151; }
.verify-code-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
#send-verify-code {
    padding: 10px 12px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    white-space: nowrap;
    width: auto;
}
#countdown { font-size: 14px; white-space: nowrap; margin-left: 8px; color: #666; }
#send-verify-code.disabled { background: #ccc; cursor: not-allowed; pointer-events: none; }

/* ===================== Hero 区域 ===================== */
.site-hero {
    position: relative;
    height: 100vh;
    min-height: 560px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--primary);
}
.site-hero .hero-slides { position: absolute; inset: 0; }
.site-hero .hero-slide {
    position: absolute; inset: 0;
    opacity: 0;
    transition: opacity 1s ease;
    background-size: cover;
    background-position: center;
}
.site-hero .hero-slide.active { opacity: 1; }
.site-hero .hero-mask {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(10, 31, 68, 0.92) 0%, rgba(10, 31, 68, 0.65) 55%, rgba(47, 107, 255, 0.35) 100%);
}
.site-hero .hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    padding: 0 24px;
    max-width: 860px;
}
.site-hero .hero-badge {
    display: inline-block;
    padding: 6px 18px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 20px;
    font-size: 13px;
    letter-spacing: 3px;
    margin-bottom: 24px;
    background: rgba(255, 255, 255, 0.08);
}
.site-hero h1 {
    font-size: 52px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 18px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
.site-hero .hero-sub {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.9;
    margin-bottom: 36px;
}
.site-hero .hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary, .btn-outline {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 30px;
    font-size: 16px;
    transition: all .25s;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 8px 24px rgba(47, 107, 255, 0.45); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); }
.btn-outline { border: 1.5px solid rgba(255, 255, 255, 0.7); color: #fff; }
.btn-outline:hover { background: rgba(255, 255, 255, 0.15); transform: translateY(-2px); }
.site-hero .hero-dots {
    position: absolute;
    bottom: 40px; left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}
.site-hero .hero-dots span {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all .3s;
}
.site-hero .hero-dots span.active { background: #fff; width: 28px; border-radius: 6px; }

/* ===================== 通用区块 ===================== */
.site-section { padding: 90px 0; }
.site-section.alt { background: var(--bg-light); }
.site-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.site-title { text-align: center; margin-bottom: 56px; }
.site-title h2 {
    font-size: 34px;
    color: var(--primary);
    position: relative;
    display: inline-block;
    padding-bottom: 16px;
}
.site-title h2::after {
    content: "";
    position: absolute;
    left: 50%; bottom: 0;
    transform: translateX(-50%);
    width: 56px; height: 4px;
    border-radius: 2px;
    background: var(--accent);
}
.site-title p { color: var(--text-sub); margin-top: 14px; font-size: 15px; }

/* ===================== 业务卡片 ===================== */
.biz-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}
.biz-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 36px 30px;
    box-shadow: var(--card-shadow);
    border: 1px solid #eef1f6;
    transition: transform .3s, box-shadow .3s;
    position: relative;
    overflow: hidden;
}
.biz-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), #6aa2ff);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .35s;
}
.biz-card:hover { transform: translateY(-8px); box-shadow: 0 20px 45px rgba(10, 31, 68, 0.14); }
.biz-card:hover::before { transform: scaleX(1); }
.biz-card .biz-icon {
    width: 64px; height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #fff;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    box-shadow: 0 8px 20px rgba(47, 107, 255, 0.3);
}
.biz-card h3 { font-size: 20px; color: var(--primary); margin-bottom: 6px; }
.biz-card .biz-en { font-size: 13px; color: #9aa5b5; letter-spacing: 1px; margin-bottom: 12px; }
.biz-card p { color: var(--text-sub); font-size: 14px; line-height: 1.9; }

/* ===================== 产品卡片 ===================== */
.prod-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}
.prod-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    border: 1px solid #eef1f6;
    transition: transform .3s, box-shadow .3s;
}
.prod-card:hover { transform: translateY(-8px); box-shadow: 0 20px 45px rgba(10, 31, 68, 0.14); }
.prod-card .prod-img { height: 210px; overflow: hidden; background: var(--primary-light); }
.prod-card .prod-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.prod-card:hover .prod-img img { transform: scale(1.06); }
.prod-card .prod-body { padding: 24px 26px 28px; }
.prod-card .prod-body h3 { font-size: 19px; color: var(--primary); margin-bottom: 6px; }
.prod-card .prod-body .prod-en { font-size: 13px; color: #9aa5b5; margin-bottom: 14px; }
.prod-card .prod-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-size: 14px;
    font-weight: 600;
    transition: gap .25s;
}
.prod-card .prod-more:hover { gap: 14px; }

/* ===================== 关于我们 ===================== */
.about-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-wrap .about-text h2 { font-size: 30px; color: var(--primary); margin-bottom: 20px; }
.about-wrap .about-text p { color: var(--text-sub); line-height: 2; margin-bottom: 16px; }
.about-wrap .about-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--card-shadow); }

/* ===================== 页脚 ===================== */
.site-footer { background: var(--primary); color: rgba(255, 255, 255, 0.75); padding: 60px 0 0; }
.site-footer .footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 32px;
    padding-bottom: 40px;
}
.site-footer .footer-brand { max-width: 380px; }
.site-footer .footer-brand h3 { color: #fff; font-size: 22px; margin-bottom: 12px; }
.site-footer .footer-brand p { font-size: 14px; line-height: 1.9; }
.site-footer .footer-qr { text-align: center; }
.site-footer .footer-qr img { width: 120px; height: 120px; border-radius: 10px; margin-bottom: 10px; }
.site-footer .footer-qr p { font-size: 13px; }
.site-footer .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 18px 0;
    text-align: center;
    font-size: 13px;
}
.site-footer .footer-bottom a:hover { color: #fff; }

/* ===================== 滚动渐显动画 ===================== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===================== 响应式 ===================== */
@media (max-width: 900px) {
    .index-header { padding: 0 16px; height: 60px; }
    .index-nav { display: none; }
    .site-hero h1 { font-size: 34px; }
    .about-wrap { grid-template-columns: 1fr; gap: 32px; }
    .site-section { padding: 60px 0; }
    .biz-grid, .prod-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   内页通用（应用下载 / 联系我们）
   ========================================================= */
.page-hero {
    position: relative;
    padding: 150px 0 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, #1b4fd8 100%);
    text-align: center;
    color: #fff;
    overflow: hidden;
}
.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 20%, rgba(255,255,255,0.08) 0%, transparent 40%),
                radial-gradient(circle at 80% 80%, rgba(47,107,255,0.25) 0%, transparent 50%);
}
.page-hero .page-hero-inner { position: relative; z-index: 1; }
.page-hero h1 { font-size: 40px; font-weight: 700; letter-spacing: 2px; margin-bottom: 12px; }
.page-hero p { font-size: 16px; color: rgba(255,255,255,0.8); }
.page-body { padding: 70px 0 90px; background: var(--bg-light); }

/* ===================== 应用下载页 ===================== */
.product-section {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    border: 1px solid #eef1f6;
    padding: 40px;
    margin-bottom: 32px;
}
.product-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 44px;
    align-items: center;
}
.product-screenshot .screenshot-frame {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 12px 36px rgba(10, 31, 68, 0.12);
    border: 1px solid #eef1f6;
}
.product-screenshot img { width: 100%; display: block; }
.thumbnail-nav { display: flex; gap: 12px; margin-top: 14px; }
.thumbnail-item {
    width: 96px; height: 72px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 3px solid transparent;
    opacity: .75;
    transition: all .25s;
}
.thumbnail-item:hover { opacity: 1; }
.thumbnail-item.active { border-color: var(--accent); opacity: 1; }
.thumbnail-item img { width: 100%; height: 100%; object-fit: cover; }
.product-info .product-title { font-size: 30px; color: var(--primary); margin-bottom: 6px; }
.product-info .product-subtitle { font-size: 14px; color: #9aa5b5; letter-spacing: 1px; margin-bottom: 18px; }
.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    margin-bottom: 22px;
    padding: 12px 0;
    border-top: 1px dashed #e5e9f2;
    border-bottom: 1px dashed #e5e9f2;
    color: var(--text-sub);
    font-size: 14px;
}
.product-meta i { margin-right: 6px; color: var(--accent); }
.product-description h3 { font-size: 17px; color: var(--primary); margin-bottom: 6px; }
.feature-list { margin: 10px 0 24px; }
.feature-list li {
    padding: 8px 0;
    font-size: 14.5px;
    color: var(--text-sub);
    border-bottom: 1px solid #f2f4f8;
}
.feature-list i { color: #22a35c; margin-right: 10px; }
.download-area { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 15px 34px;
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    color: #fff;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(47, 107, 255, 0.35);
    transition: transform .25s, box-shadow .25s;
}
.download-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(47, 107, 255, 0.45); }
.download-btn .version { font-size: 12px; font-weight: 400; opacity: .85; }

/* 支付弹窗（btnPay 使用） */
.cart-popup {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(10, 31, 68, 0.6);
    z-index: 1002;
    display: flex;
    justify-content: center;
    align-items: center;
}
.cart-popup-content {
    position: relative;
    width: min(92%, 460px);
    padding: 36px 32px 30px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 24px 70px rgba(10, 31, 68, 0.3);
    text-align: center;
    animation: slideIn .3s ease;
}
.close-cart-popup {
    position: absolute;
    top: 14px; right: 18px;
    cursor: pointer;
    font-size: 24px;
    color: #9ca3af;
    background: none;
    border: none;
    transition: color .2s;
}
.close-cart-popup:hover { color: #333; }
.cart-popup-content h3 { color: var(--primary); margin-bottom: 16px; }
.account-info { font-size: 15px; color: var(--text-sub); margin-bottom: 8px; }
.account-info span { margin-left: 8px; color: var(--accent); font-weight: 700; }
.price-section {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 8px;
    margin: 10px 0 16px;
}
.price-section .dollar { font-size: 20px; color: #e5484d; font-weight: 700; }
.price-section .price { font-size: 40px; color: #e5484d; font-weight: 800; }
.price-section .unit { color: var(--text-sub); font-size: 14px; }
.qr-code-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 22px;
    background: var(--bg-light);
    border-radius: 12px;
    margin: 6px 0 14px;
}
.qr-code-area img { width: 220px; height: 220px; object-fit: contain; }
.ssl-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    padding: 5px 14px;
    background: #27ae60;
    color: #fff;
    border-radius: 20px;
    font-size: 12.5px;
}
.payment-tips { font-size: 12.5px; color: #9aa5b5; line-height: 1.8; }

.loading-popup {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(10, 31, 68, 0.55);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}
.loading-popup-content {
    background: #fff;
    padding: 26px 40px;
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0,0,0,.2);
    text-align: center;
    color: var(--primary);
}
.loading-popup-content i { font-size: 30px; margin-bottom: 10px; display: block; }

/* ===================== 联系我们页 ===================== */
.contact-wrap {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 32px;
    align-items: stretch;
}
.contact-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    border: 1px solid #eef1f6;
    padding: 36px 34px;
}
.contact-card h3 {
    font-size: 19px;
    color: var(--primary);
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--bg-light);
    display: flex;
    align-items: center;
    gap: 10px;
}
.contact-card h3 i { color: var(--accent); }
.contact-card p { color: var(--text-sub); font-size: 14.5px; line-height: 2; margin-bottom: 10px; }
.contact-item {
    display: flex;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px dashed #eef1f6;
    align-items: flex-start;
}
.contact-item .ci-icon {
    flex: 0 0 42px;
    height: 42px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
}
.contact-item .ci-label { font-size: 12.5px; color: #9aa5b5; }
.contact-item .ci-value { font-size: 15px; color: var(--text-main); margin-top: 2px; }
.qr-card {
    background: linear-gradient(160deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius);
    padding: 44px 30px;
    text-align: center;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--card-shadow);
}
.qr-card img {
    width: 200px;
    height: 200px;
    border-radius: 12px;
    background: #fff;
    padding: 10px;
    margin-bottom: 18px;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.25);
}
.qr-card h3 { font-size: 19px; margin-bottom: 8px; }
.qr-card p { font-size: 14px; color: rgba(255,255,255,.8); }

@media (max-width: 900px) {
    .product-grid, .contact-wrap { grid-template-columns: 1fr; }
    .product-section { padding: 24px; }
    .page-hero { padding: 120px 0 56px; }
    .page-hero h1 { font-size: 30px; }
}

/* ===================== ST案情推送页 ===================== */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
    margin-top: -70px;
    position: relative;
    z-index: 5;
}
.stat-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    border: 1px solid #eef1f6;
    text-align: center;
    padding: 30px 20px;
    transition: transform .3s, box-shadow .3s;
}
.stat-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(10, 31, 68, 0.14); }
.stat-card .stat-num {
    font-size: 42px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
    font-family: "Helvetica Neue", Arial, sans-serif;
}
.stat-card .stat-label { font-size: 14px; color: var(--text-sub); margin-top: 6px; }
.stat-card .stat-note { font-size: 12px; color: #9aa5b5; margin-top: 2px; }

.feat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 26px;
}
.feat-item {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid #eef1f6;
    box-shadow: var(--card-shadow);
    padding: 32px 28px;
    transition: transform .3s, box-shadow .3s;
}
.feat-item:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(10, 31, 68, 0.14); }
.feat-item .feat-icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    margin-bottom: 18px;
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    box-shadow: 0 8px 18px rgba(47, 107, 255, 0.28);
}
.feat-item h3 { font-size: 18px; color: var(--primary); margin-bottom: 10px; }
.feat-item p { font-size: 14px; color: var(--text-sub); line-height: 1.9; }

.svc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}
.svc-item {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid #eef1f6;
    box-shadow: var(--card-shadow);
    padding: 28px 26px;
    display: flex;
    gap: 18px;
    align-items: flex-start;
    transition: transform .3s, box-shadow .3s;
}
.svc-item:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(10, 31, 68, 0.14); }
.svc-item .svc-icon {
    flex: 0 0 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
}
.svc-item h4 { font-size: 16px; color: var(--primary); margin-bottom: 6px; }
.svc-item p { font-size: 13.5px; color: var(--text-sub); line-height: 1.8; }

.page-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 70%, #1b4fd8 100%);
    border-radius: var(--radius);
    padding: 56px 40px;
    text-align: center;
    color: #fff;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
}
.page-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 85% 20%, rgba(255,255,255,0.12) 0%, transparent 45%);
}
.page-cta h2 { font-size: 28px; margin-bottom: 12px; position: relative; z-index: 1; }
.page-cta p { color: rgba(255,255,255,0.85); margin-bottom: 26px; position: relative; z-index: 1; }
.page-cta .cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }
.page-cta .btn-primary { background: #fff; color: var(--primary); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.page-cta .btn-primary:hover { background: #f0f3fa; }
.page-cta .btn-outline { border-color: rgba(255,255,255,0.7); color: #fff; }

@media (max-width: 900px) {
    .stat-grid { margin-top: -40px; }
    .page-cta { padding: 40px 24px; }
}

/* ===================== 支付/套餐页 ===================== */
.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
    max-width: 1100px;
    margin: 0 auto;
}
.plan-card {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid #eef1f6;
    box-shadow: var(--card-shadow);
    overflow: hidden;
    position: relative;
    transition: transform .3s, box-shadow .3s;
    display: flex;
    flex-direction: column;
}
.plan-card:hover { transform: translateY(-8px); box-shadow: 0 20px 45px rgba(10, 31, 68, 0.14); }
.plan-card.hot::before {
    content: "推荐";
    position: absolute;
    top: 14px; right: -34px;
    background: linear-gradient(90deg, #ff7a45, #ff4d4f);
    color: #fff;
    font-size: 12px;
    padding: 4px 38px;
    transform: rotate(45deg);
    z-index: 2;
    box-shadow: 0 2px 8px rgba(255, 77, 79, 0.4);
}
.plan-card .plan-head {
    background: linear-gradient(150deg, var(--primary) 0%, var(--primary-light) 70%, #1b4fd8 100%);
    padding: 30px 26px 24px;
    text-align: center;
    color: #fff;
    position: relative;
}
.plan-card .plan-head img.plan-icon { width: 74px; height: 74px; margin: 0 auto 12px; object-fit: contain; }
.plan-card .plan-head h3 { font-size: 20px; margin-bottom: 4px; }
.plan-card .plan-head .plan-en { font-size: 12px; color: rgba(255,255,255,.7); letter-spacing: 1px; }
.plan-card .plan-body { padding: 24px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.plan-price { text-align: center; margin-bottom: 18px; }
.plan-price .dollar { font-size: 22px; color: #e5484d; font-weight: 700; vertical-align: top; }
.plan-price .price { font-size: 46px; color: #e5484d; font-weight: 800; line-height: 1.1; }
.plan-price .source { font-size: 13px; color: #9aa5b5; text-decoration: line-through; margin-left: 8px; }
.plan-benefits { list-style: none; margin: 0 0 22px; flex: 1; }
.plan-benefits li {
    padding: 7px 0;
    font-size: 14px;
    color: var(--text-sub);
    border-bottom: 1px dashed #eef1f6;
    display: flex;
    align-items: center;
    gap: 8px;
}
.plan-benefits li i { color: #22a35c; font-size: 13px; }
.plan-pay-btn {
    display: block;
    width: 100%;
    padding: 13px;
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    color: #fff;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 8px 22px rgba(47, 107, 255, 0.35);
    transition: transform .25s, box-shadow .25s;
}
.plan-pay-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(47, 107, 255, 0.45); }

/* 支付二维码弹窗 */
.pay-modal {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(10, 31, 68, 0.6);
    z-index: 1002;
    display: none;
    justify-content: center;
    align-items: center;
}
.pay-modal.show { display: flex; }
.pay-modal-content {
    position: relative;
    width: min(92%, 420px);
    padding: 36px 32px 30px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 24px 70px rgba(10, 31, 68, 0.3);
    text-align: center;
    animation: slideIn .3s ease;
}
.pay-modal-content .close-cart-popup { position: absolute; top: 14px; right: 18px; cursor: pointer; font-size: 24px; color: #9ca3af; background: none; border: none; }
.pay-modal-content h3 { color: var(--primary); margin-bottom: 8px; font-size: 19px; }
.pay-modal-content .pay-tip { font-size: 13px; color: #9aa5b5; margin-bottom: 16px; }
.pay-modal-content #native_code_url { width: 220px; height: 220px; object-fit: contain; border-radius: 10px; border: 1px solid #eef1f6; padding: 8px; }
.pay-modal-content .pay-status-ok { display: none; padding: 30px 0; }
.pay-modal-content .pay-status-ok img { width: 120px; height: 120px; margin: 0 auto 14px; }
.pay-modal-content .pay-status-ok p { font-size: 17px; color: #22a35c; font-weight: 700; }

@media (max-width: 900px) {
    .plan-grid { grid-template-columns: 1fr; max-width: 420px; }
}