:root {
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --primary-light: #e8f0fe;
    --accent: #ff6b35;
    --accent-dark: #e55a2b;
    --dark: #1a1a2e;
    --dark-2: #2d2d44;
    --white: #ffffff;
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f4;
    --gray-200: #e8eaed;
    --gray-300: #dadce0;
    --gray-500: #80868b;
    --gray-600: #5f6368;
    --gray-700: #3c4043;
    --text: #202124;
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(26,26,46,0.06);
    --shadow: 0 4px 20px rgba(26,26,46,0.08);
    --shadow-lg: 0 12px 40px rgba(26,26,46,0.14);
    --transition: all 0.3s ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; width: 100%; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; }

.container { max-width: 1200px; }
.wp-container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.wp-container-wide { width: 100%; max-width: 1400px; margin: 0 auto; padding: 0 16px; }

/* Top bar */
.top-bar {
    background: var(--dark);
    color: rgba(255,255,255,0.75);
    font-size: 13px;
    padding: 8px 0;
}
.top-bar a { color: rgba(255,255,255,0.75); }
.top-bar a:hover { color: var(--white); }
.top-bar-item { display: inline-flex; align-items: center; gap: 6px; }
.top-bar-item svg { color: var(--accent); }

/* Lang switch */
.lang-switch-nav { display: inline-flex; border: 1px solid rgba(255,255,255,0.25); border-radius: 20px; overflow: hidden; }
.lang-switch-nav a { display: inline-block; padding: 2px 10px; font-size: 12px; color: rgba(255,255,255,0.75); }
.lang-switch-nav a.active { background: var(--primary); color: var(--white); }
.lang-switch-nav a:hover { color: var(--white); }

/* Navbar */
#mainNav {
    background: var(--white);
    box-shadow: var(--shadow);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1030;
    transition: var(--transition);
    max-width: 100vw;
}
#mainNav.scrolled { box-shadow: var(--shadow-lg); }
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
}
.navbar-brand .logo-icon {
    width: 44px; height: 44px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    font-size: 18px; font-weight: 800;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 15px rgba(26,115,232,0.25);
}
.brand-text-wrap { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text { font-size: 18px; font-weight: 700; color: var(--dark); }
.brand-slogan { font-size: 12px; color: var(--gray-500); }

/* ===== 桌面端导航(纯 CSS hover 二级下拉, 不依赖 Bootstrap dropdown) ===== */
.mbfop-desktop-nav {
    list-style: none;
    margin: 0; padding: 0;
    align-items: center;
    gap: 2px;
    margin-left: auto;
    margin-right: auto;
}
.mbfop-nav-item { position: relative; }
.mbfop-nav-link {
    display: inline-flex;
    align-items: center;
    color: var(--dark);
    font-size: 15px;
    font-weight: 500;
    padding: 24px 14px;
    position: relative;
    transition: color 0.25s ease;
    text-decoration: none;
}
.mbfop-nav-link::after {
    content: '';
    position: absolute;
    bottom: 16px;
    left: 14px; right: 14px;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
    border-radius: 1px;
}
.mbfop-nav-link:hover { color: var(--primary); }
.mbfop-nav-link:hover::after { transform: scaleX(1); }
.mbfop-nav-item.active > .mbfop-nav-link { color: var(--primary); }
.mbfop-nav-item.active > .mbfop-nav-link::after { transform: scaleX(1); }
.mbfop-nav-item.has-children > .mbfop-nav-link { padding-right: 22px; }
.mbfop-nav-item.has-children > .mbfop-nav-link::before {
    content: '';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    width: 5px; height: 5px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    opacity: 0.4;
    transition: transform 0.25s ease, opacity 0.25s ease;
}
.mbfop-nav-item.has-children:hover > .mbfop-nav-link::before {
    transform: translateY(-50%) rotate(45deg) scale(1.2);
    opacity: 1;
}

/* 二级下拉菜单(hover 触发, 不依赖 Bootstrap) */
.mbfop-submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-top: 3px solid var(--primary);
    border-radius: var(--radius);
    box-shadow: 0 10px 40px rgba(26, 26, 46, 0.12), 0 2px 6px rgba(26, 26, 46, 0.06);
    padding: 10px;
    margin-top: -2px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0s linear 0.22s;
    z-index: 1050;
}
.mbfop-nav-item.has-children:hover > .mbfop-submenu,
.mbfop-nav-item.has-children:focus-within > .mbfop-submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0s linear 0s;
}
.mbfop-submenu-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    text-decoration: none;
    transition: background 0.18s ease, color 0.18s ease, padding-left 0.18s ease;
    white-space: nowrap;
    line-height: 1.4;
}
/* 不显示左侧小圆点(下标志),保持简洁 */
.mbfop-submenu-item::before { display: none; }
.mbfop-submenu-item:hover {
    background: var(--primary-light);
    color: var(--primary);
    padding-left: 20px;
}
.mbfop-submenu-item:hover::before { display: none; }
.mbfop-submenu-item.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}
.mbfop-submenu-item.active::before { display: none; }

.mbfop-nav-right { gap: 8px; }

.btn-qq {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--white) !important;
    border: none;
    border-radius: 24px;
    padding: 10px 22px;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 4px 15px rgba(255,107,53,0.3);
    display: inline-flex; align-items: center; gap: 6px;
    text-decoration: none;
    cursor: pointer;
}
.btn-qq:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,107,53,0.4); color: var(--white); }

/* =====================================================================
   【bulletproof 移动端 UI】独立汉堡按钮 + 右侧滑入面板
   复用 rocketstack 模板的成熟方案
   ===================================================================== */

/* ===== 移动端汉堡按钮 (position:fixed 脱离 navbar 堆叠上下文) ===== */
.mbfop-burger {
    display: none;
    position: fixed;
    top: 10px;
    right: 16px;
    width: 44px;
    height: 44px;
    padding: 0;
    margin: 0;
    background: var(--white);
    border: 1.5px solid var(--gray-200);
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    /* 最高 z-index, 压住所有第三方弹窗 */
    z-index: 2147483647;
    /* 触摸优化 */
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    user-select: none;
    -webkit-user-select: none;
    /* GPU + 隔离堆叠上下文 */
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    isolation: isolate;
    /* 显式启用点击, 防止父级覆盖 */
    pointer-events: auto !important;
    visibility: visible !important;
    opacity: 1 !important;
    /* 布局 */
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.mbfop-burger:active {
    transform: translateZ(0) scale(0.94);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.mbfop-burger-bar {
    display: block;
    width: 22px;
    height: 2.5px;
    background: var(--dark);
    border-radius: 2px;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
    pointer-events: none;
}
.mbfop-burger.is-open .mbfop-burger-bar:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.mbfop-burger.is-open .mbfop-burger-bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.mbfop-burger.is-open .mbfop-burger-bar:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ===== 移动端遮罩 ===== */
.mbfop-mobile-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(26, 26, 46, 0.5);
    z-index: 2147483645;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}
.mbfop-mobile-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
}

/* ===== 移动端面板(右侧滑入) ===== */
.mbfop-mobile-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(85%, 360px);
    background: linear-gradient(180deg, #1a1a2e 0%, #232342 100%);
    color: rgba(255, 255, 255, 0.92);
    z-index: 2147483646;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.25);
    pointer-events: none;
    flex-direction: column;
}
.mbfop-mobile-panel.is-open {
    transform: translateX(0);
    pointer-events: auto;
}

/* 面板头部 */
.mbfop-mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    flex-shrink: 0;
    min-height: 68px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.mbfop-mobile-logo { padding: 0; }
.mbfop-mobile-logo .brand-slogan { display: none; }
.mbfop-mobile-logo .logo-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.4);
}
.mbfop-mobile-logo .brand-text { color: var(--white); }
.mbfop-mobile-close {
    width: 38px; height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.85);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    transition: background 0.2s, transform 0.2s;
    flex-shrink: 0;
}
.mbfop-mobile-close:active { background: rgba(255, 255, 255, 0.16); transform: scale(0.92); }

/* 面板滚动区 */
.mbfop-mobile-body {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 8px 14px 16px;
}

/* 面板链接 */
.mbfop-mobile-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 12px 14px;
    background: transparent;
    color: rgba(255, 255, 255, 0.88);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 10px;
    margin: 2px 0;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    transition: background 0.18s ease, color 0.18s ease, padding-left 0.18s ease;
    min-height: 44px;
}
.mbfop-mobile-link:active {
    background: rgba(26, 115, 232, 0.18);
    color: #fff;
    padding-left: 18px;
}
.mbfop-mobile-link.active { color: #fff; font-weight: 600; background: rgba(26, 115, 232, 0.18); }
.mbfop-mobile-link-text { flex: 1; }
.mbfop-mobile-link-parent {
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
}

/* 二级栏目分组 */
.mbfop-mobile-group {
    border-radius: 12px;
    overflow: hidden;
    margin: 6px 0;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: border-color 0.2s, background 0.2s;
}
.mbfop-mobile-group > .mbfop-mobile-link-parent {
    background: transparent;
}
.mbfop-mobile-group > .mbfop-mobile-link-parent.active,
.mbfop-mobile-group.active > .mbfop-mobile-link-parent {
    color: #fff;
    background: rgba(26, 115, 232, 0.18);
}
.mbfop-mobile-group.is-open {
    border-color: rgba(26, 115, 232, 0.4);
    background: rgba(26, 115, 232, 0.06);
}
.mbfop-mobile-expand {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    border-radius: 8px;
    transition: background 0.2s, color 0.2s, transform 0.25s;
    z-index: 1;
}
.mbfop-mobile-group { position: relative; }
.mbfop-mobile-expand:active { background: rgba(255, 255, 255, 0.16); }
.mbfop-mobile-group .mbfop-mobile-expand svg { transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.mbfop-mobile-group.is-open .mbfop-mobile-expand {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.mbfop-mobile-group.is-open .mbfop-mobile-expand svg { transform: rotate(180deg); }
.mbfop-mobile-children {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(0, 0, 0, 0.18);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.mbfop-mobile-group.is-open .mbfop-mobile-children {
    max-height: 800px;
}
.mbfop-mobile-link-child {
    padding: 11px 16px 11px 32px;
    font-size: 14px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.75);
    border-radius: 0;
    min-height: 42px;
    margin: 0;
    background: transparent;
    position: relative;
}
.mbfop-mobile-link-child::before {
    content: '';
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px; height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transition: background 0.18s, transform 0.18s;
}
.mbfop-mobile-link-child:hover,
.mbfop-mobile-link-child:active {
    color: #fff;
    background: rgba(26, 115, 232, 0.18);
    padding-left: 38px;
}
.mbfop-mobile-link-child:hover::before,
.mbfop-mobile-link-child:active::before {
    background: var(--primary-light);
    transform: translateY(-50%) scale(1.5);
}
.mbfop-mobile-link-child.active {
    color: #fff;
    font-weight: 600;
    background: rgba(26, 115, 232, 0.22);
}
.mbfop-mobile-link-child.active::before {
    background: var(--primary);
    transform: translateY(-50%) scale(1.5);
}

/* 面板底部 */
.mbfop-mobile-footer {
    padding: 14px 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
    margin-top: auto;
}
.mbfop-mobile-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 14px;
    font-size: 15px;
    border-radius: 12px;
    text-decoration: none;
    margin-top: 0;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}
.mbfop-mobile-cta:active { transform: scale(0.98); }

/* Section titles */
.wp-section-title { text-align: center; margin-bottom: 44px; }
.wp-section-title h2,
.wp-section-title .section-title {
    font-size: 32px; font-weight: 700;
    color: var(--dark);
    margin: 12px 0 14px;
    position: relative;
    display: block;
}
.wp-section-title h2::after,
.wp-section-title .section-title::after {
    content: '';
    display: block;
    width: 56px; height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
    margin: 14px auto 0;
}
.wp-section-title .section-tag {
    margin-bottom: 0;
}
.wp-section-title p,
.wp-section-title .section-desc { color: var(--gray-600); font-size: 16px; max-width: 600px; margin: 14px auto 0; }

/* Banner */
.wp-banner {
    position: relative;
    min-height: 520px;
    background: linear-gradient(135deg, var(--dark) 0%, #2a2a4a 60%, var(--primary-dark) 100%);
    overflow: hidden;
    display: flex; align-items: center;
}
.wp-banner::before {
    content: '';
    position: absolute; inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(26,115,232,0.25) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(255,107,53,0.2) 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
}
.banner-slides { width: 100%; position: relative; z-index: 1; }
.slide {
    display: none;
    padding: 80px 0;
    animation: fadeIn 0.6s ease;
}
.slide.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
.slide-content { max-width: 620px; }
.slide-tag {
    display: inline-block;
    background: rgba(255,107,53,0.15);
    color: var(--accent);
    border: 1px solid rgba(255,107,53,0.3);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px; font-weight: 600;
    margin-bottom: 20px;
}
.slide-title { font-size: 46px; font-weight: 800; color: var(--white); line-height: 1.2; margin-bottom: 20px; }
.slide-desc { font-size: 17px; color: rgba(255,255,255,0.75); margin-bottom: 32px; }
.slide-btn {
    display: inline-flex; align-items: center; gap: 8px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--white);
    padding: 14px 32px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 16px;
    box-shadow: 0 6px 25px rgba(255,107,53,0.35);
}
.slide-btn:hover { color: var(--white); transform: translateY(-2px); }
.dots { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 2; }
.dots span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.35); cursor: pointer; transition: var(--transition); }
.dots span.active { background: var(--accent); width: 28px; border-radius: 5px; }
.arrow {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 48px; height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-size: 28px; cursor: pointer;
    z-index: 2; transition: var(--transition);
}
.arrow:hover { background: rgba(255,255,255,0.25); }
.arrow-prev { left: 20px; }
.arrow-next { right: 20px; }

/* Services */
.wp-services { padding: 80px 0; background: var(--gray-50); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-icon {
    width: 70px; height: 70px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
}
.service-card h3 { font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.service-card > p { font-size: 14px; color: var(--gray-600); margin-bottom: 20px; }
.service-links { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.service-links a {
    font-size: 13px;
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 5px 12px;
    border-radius: 20px;
}
.service-links a:hover { background: var(--primary); color: var(--white); }

/* Stats */
.wp-stats { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); padding: 60px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat-num { font-size: 48px; font-weight: 800; color: var(--white); }
.stat-num em { font-style: normal; }
.stat-num span { font-size: 24px; font-weight: 600; }
.stat-label { color: rgba(255,255,255,0.85); font-size: 15px; }

/* Advantages */
.wp-advantages { padding: 80px 0; background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%); }
.wp-advantages .wp-section-title h2 { color: var(--white); }
.wp-advantages .wp-section-title h2::after { background: var(--accent); }
.wp-advantages .wp-section-title p { color: rgba(255,255,255,0.7); }
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.adv-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
}
.adv-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }
.adv-num {
    font-size: 42px; font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin-bottom: 14px;
}
.adv-card h3 { font-size: 19px; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.adv-card p { font-size: 14px; color: rgba(255,255,255,0.65); margin: 0; }

/* Cases */
.wp-cases { padding: 80px 0; background: var(--white); }
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-img { position: relative; height: 200px; overflow: hidden; background: linear-gradient(135deg, var(--gray-200), var(--gray-100)); }
.case-img img,
.case-img .svg-article-cover { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.case-card:hover .case-img img,
.case-card:hover .case-img .svg-article-cover { transform: scale(1.05); }
.case-overlay {
    position: absolute; top: 16px; left: 16px;
    background: var(--accent); color: var(--white);
    padding: 4px 12px; border-radius: 20px;
    font-size: 12px; font-weight: 600;
}
.case-body { padding: 22px; }
.case-body h3 { font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.case-body p { font-size: 14px; color: var(--gray-600); margin: 0; }

/* SEO info */
.wp-seo-info { padding: 80px 0; background: var(--gray-50); }
.seo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.seo-left h3 { font-size: 26px; font-weight: 700; color: var(--dark); margin-bottom: 20px; }
.seo-left p { color: var(--gray-600); margin-bottom: 16px; }
.seo-list {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow);
}
.seo-list h4 { font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 20px; }
.seo-list-item { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--gray-100); }
.seo-list-item:last-child { border-bottom: none; }
.seo-list-item .icon {
    width: 44px; height: 44px; flex-shrink: 0;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
}
.seo-list-item h5 { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.seo-list-item p { font-size: 14px; color: var(--gray-600); margin: 0; }

/* News */
.wp-news { padding: 80px 0; background: var(--white); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.news-img { height: 190px; background: linear-gradient(135deg, var(--gray-200), var(--gray-100)); overflow: hidden; position: relative; }
.news-img img,
.news-img .svg-article-cover { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-card:hover .news-img img,
.news-card:hover .news-img .svg-article-cover { transform: scale(1.05); }
/* 覆盖通用 svg_article_cover,使其在 mbfop 卡片内紧凑自适应 */
.news-img .svg-article-cover {
    width: 100%;
    height: 100%;
    min-height: 0 !important;
    padding: 24px 20px !important;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    border-radius: 0;
    box-sizing: border-box;
    position: relative;
}
.news-img .svg-article-cover .cover-title {
    font-size: 1.05rem !important;
    line-height: 1.35;
    font-weight: 600;
    color: #fff;
    text-shadow: 0 1px 3px rgba(0,0,0,0.15);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-img .svg-article-cover .cover-meta {
    display: none !important; /* 隐藏 bi-* 失效图标行,避免方块乱码 */
}
/* 案例卡片同样处理 */
.case-img .svg-article-cover {
    width: 100%;
    height: 100%;
    min-height: 0 !important;
    padding: 24px 20px !important;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    border-radius: 0;
    box-sizing: border-box;
    position: relative;
}
.case-img .svg-article-cover .cover-title {
    font-size: 1.1rem !important;
    line-height: 1.35;
    font-weight: 600;
    color: #fff;
    text-shadow: 0 1px 3px rgba(0,0,0,0.15);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.case-img .svg-article-cover .cover-meta {
    display: none !important;
}
.news-body { padding: 22px; }
.news-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px; font-weight: 600;
    margin-bottom: 10px;
}
.news-date { font-size: 13px; color: var(--gray-500); margin-bottom: 10px; }
.news-body h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.news-body h3 a { color: var(--dark); }
.news-body h3 a:hover { color: var(--primary); }
.news-body p { font-size: 14px; color: var(--gray-600); margin: 0; }

/* Partners */
.wp-partners { background: var(--gray-50); padding-bottom: 60px; overflow: hidden; }
.partners-track { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; }
.partner-item {
    width: 130px; height: 70px;
    background: var(--white);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-sm);
    font-size: 14px; color: var(--gray-500);
}
.partner-item img { filter: grayscale(100%); opacity: 0.7; transition: var(--transition); }
.partner-item:hover img { filter: grayscale(0%); opacity: 1; }

/* Inner banner */
.wp-inner-banner {
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
    padding: 90px 0 80px;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}
.wp-inner-banner::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at 50% 120%, rgba(255,107,53,0.18), transparent 50%);
}
.wp-inner-banner > div { position: relative; z-index: 1; }
.wp-inner-banner h1 { font-size: 38px; font-weight: 800; margin-bottom: 14px; }
.wp-inner-banner p { font-size: 16px; color: rgba(255,255,255,0.75); max-width: 600px; margin: 0 auto; }

/* Breadcrumb */
.wp-breadcrumb { background: var(--gray-100); padding: 14px 0; }
.wp-breadcrumb .container { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.wp-breadcrumb a { color: var(--gray-600); }
.wp-breadcrumb a:hover { color: var(--primary); }
.wp-breadcrumb span { color: var(--gray-500); }
.wp-breadcrumb .current { color: var(--primary); font-weight: 500; }

/* List page */
.wp-list-page { padding: 60px 0; background: var(--gray-50); }
.list-grid { display: grid; grid-template-columns: 1fr 340px; gap: 30px; }
.wp-cat-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.wp-cat-tabs a {
    background: var(--white);
    color: var(--gray-700);
    padding: 8px 18px;
    border-radius: 24px;
    font-size: 14px;
    box-shadow: var(--shadow-sm);
}
.wp-cat-tabs a:hover, .wp-cat-tabs a.active { background: var(--primary); color: var(--white); }
.wp-list-item {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 22px;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    transition: var(--transition);
}
.wp-list-item:hover { box-shadow: var(--shadow-lg); }
.item-img { height: 100%; min-height: 160px; background: linear-gradient(135deg, var(--gray-200), var(--gray-100)); }
.item-img img { width: 100%; height: 100%; object-fit: cover; }
.item-body { padding: 22px 22px 22px 0; }
.item-date { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--gray-500); margin-bottom: 10px; }
.item-body h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.item-body h3 a { color: var(--dark); }
.item-body h3 a:hover { color: var(--primary); }
.item-body p { font-size: 14px; color: var(--gray-600); margin: 0; }

/* Sidebar */
.wp-sidebar .widget {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}
.widget-title {
    font-size: 17px; font-weight: 700;
    color: var(--dark);
    padding-bottom: 14px;
    border-bottom: 2px solid var(--primary-light);
    margin-bottom: 16px;
}
.hot-list { list-style: none; padding: 0; margin: 0; }
.hot-list li { padding: 12px 0; border-bottom: 1px solid var(--gray-100); }
.hot-list li:last-child { border-bottom: none; }
.hot-list a { color: var(--gray-700); font-size: 14px; display: block; }
.hot-list a:hover { color: var(--primary); }
.hot-list .date { font-size: 12px; color: var(--gray-500); margin-top: 4px; }

/* Pagination */
.wp-pagination { display: flex; gap: 8px; margin-top: 34px; flex-wrap: wrap; }
.wp-pagination a, .wp-pagination span {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 40px; height: 40px;
    border-radius: var(--radius-sm);
    background: var(--white);
    color: var(--gray-700);
    font-size: 14px;
    box-shadow: var(--shadow-sm);
}
.wp-pagination a:hover { background: var(--primary); color: var(--white); }
.wp-pagination span.current { background: var(--primary); color: var(--white); font-weight: 600; }

/* Related */
.wp-related { padding: 60px 0; background: var(--white); }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.related-card {
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 18px;
    transition: var(--transition);
}
.related-card:hover { background: var(--primary-light); }
.related-card h4 { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.related-card h4 a { color: var(--dark); }
.related-card h4 a:hover { color: var(--primary); }
.related-card .date { font-size: 12px; color: var(--gray-500); }

/* Article / Detail */
.wp-article { padding: 60px 0; background: var(--gray-50); }
.article-grid { display: grid; grid-template-columns: 1fr 340px; gap: 30px; }
.article-main {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow);
}
.article-header { margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--gray-100); }
.article-title { font-size: 28px; font-weight: 800; color: var(--dark); margin-bottom: 16px; line-height: 1.3; }
.article-meta { display: flex; flex-wrap: wrap; gap: 16px; font-size: 13px; color: var(--gray-500); }
.article-meta span { display: inline-flex; align-items: center; gap: 5px; }
.article-content { font-size: 16px; color: var(--gray-700); line-height: 1.85; }
.article-content h2, .article-content h3, .article-content h4 { color: var(--dark); margin: 28px 0 14px; font-weight: 700; }
.article-content p { margin-bottom: 16px; }
.article-content img { border-radius: var(--radius); max-width: 100%; }
.article-content ul, .article-content ol { margin-bottom: 16px; padding-left: 22px; }
.article-content li { margin-bottom: 6px; }
.article-content blockquote {
    border-left: 4px solid var(--primary);
    background: var(--primary-light);
    padding: 16px 20px;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 20px 0;
}
.article-content a { color: var(--primary); border-bottom: 1px dashed var(--primary-light); }
.article-content a:hover { border-bottom-style: solid; }
.article-tags { margin-top: 30px; }
.article-tags a {
    display: inline-block;
    background: var(--gray-100);
    color: var(--gray-600);
    padding: 5px 12px;
    border-radius: 16px;
    font-size: 13px;
    margin-right: 8px; margin-bottom: 8px;
}
.article-tags a:hover { background: var(--primary); color: var(--white); }

/* About */
.wp-about-intro { padding: 70px 0; background: var(--white); }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.intro-text h3 { font-size: 26px; font-weight: 700; color: var(--dark); margin-bottom: 18px; }
.intro-text p { color: var(--gray-600); margin-bottom: 16px; }
.intro-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-light), var(--gray-100));
    min-height: 320px;
    display: flex; align-items: center; justify-content: center;
}
.intro-img img { width: 100%; height: 100%; object-fit: cover; }

/* Team */
.wp-team { padding: 70px 0; background: var(--gray-50); }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.team-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.team-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.team-avatar { font-size: 56px; line-height: 1; margin-bottom: 16px; }
.team-info h4 { font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.team-info p { font-size: 13px; color: var(--gray-500); margin: 0; }

/* Cooperation */
.wp-cooperation { padding: 70px 0; background: var(--white); }
.coop-grid { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.coop-item {
    width: 120px; height: 60px;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; color: var(--gray-500);
}

/* Contact */
.wp-contact-hero { padding: 70px 0; background: linear-gradient(135deg, var(--primary-light), var(--white)); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.hero-left h2 { font-size: 38px; font-weight: 800; color: var(--dark); margin-bottom: 18px; line-height: 1.25; }
.hero-left h2 span { color: var(--accent); }
.hero-left > p { color: var(--gray-600); margin-bottom: 28px; }
.qq-big {
    display: inline-flex; align-items: center; gap: 16px;
    background: var(--white);
    padding: 18px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    cursor: pointer;
    transition: var(--transition);
}
.qq-big:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.qq-big .qq-icon {
    width: 54px; height: 54px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--white);
    display: flex; align-items: center; justify-content: center;
}
.qq-info .label { font-size: 13px; color: var(--gray-500); }
.qq-info .num { font-size: 26px; font-weight: 800; color: var(--dark); }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary-custom, .btn-outline-custom {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px;
    border-radius: 30px;
    font-weight: 600;
    transition: var(--transition);
}
.btn-primary-custom { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: var(--white) !important; box-shadow: 0 4px 15px rgba(26,115,232,0.3); }
.btn-primary-custom:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(26,115,232,0.4); }
.btn-outline-custom { background: var(--white); color: var(--accent); border: 2px solid var(--accent); }
.btn-outline-custom:hover { background: var(--accent); color: var(--white); }
.hero-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
}
.hero-card h3 { font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 24px; }
.card-item { display: flex; gap: 14px; margin-bottom: 20px; }
.card-item:last-child { margin-bottom: 0; }
.card-icon {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.card-label { font-size: 13px; color: var(--gray-500); }
.card-value { font-size: 15px; font-weight: 600; color: var(--dark); }

.wp-process { padding: 70px 0; background: var(--white); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-step {
    text-align: center;
    padding: 28px 20px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    position: relative;
}
.process-step::after {
    content: '';
    position: absolute; top: 50%; right: -12px;
    width: 24px; height: 2px;
    background: var(--gray-300);
}
.process-step:last-child::after { display: none; }
.step-num {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 700;
    margin: 0 auto 16px;
}
.process-step h4 { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.process-step p { font-size: 14px; color: var(--gray-600); margin: 0; }

.wp-map-section { padding: 0; }
.map-box {
    min-height: 280px;
    background: linear-gradient(135deg, #e3f2fd, #f1f8e9);
    display: flex; align-items: center; justify-content: center;
    position: relative;
}
.map-content { text-align: center; }
.map-pin {
    width: 70px; height: 70px;
    border-radius: 50%;
    background: var(--white);
    color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px;
    box-shadow: var(--shadow);
}
.map-content h3 { font-size: 22px; font-weight: 700; color: var(--dark); margin-bottom: 6px; }
.map-content p { color: var(--gray-600); }

.wp-faq { padding: 70px 0; background: var(--gray-50); }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
}
.faq-q { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 12px; }
.faq-num {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 700;
    flex-shrink: 0;
}
.faq-q h4 { font-size: 17px; font-weight: 700; color: var(--dark); margin: 0; }
.faq-item p { font-size: 14px; color: var(--gray-600); margin: 0; }

/* Footer */
.wp-friendlinks { background: var(--gray-100); padding: 22px 0; }
.wp-friendlinks h4 { font-size: 15px; font-weight: 700; color: var(--dark); margin-bottom: 12px; display: inline-flex; align-items: center; gap: 6px; }
.wp-friendlinks h4 svg { color: var(--primary); }
.links-wrap { display: flex; flex-wrap: wrap; gap: 10px 18px; }
.links-wrap a { font-size: 13px; color: var(--gray-600); }
.links-wrap a:hover { color: var(--primary); }

.site-footer { background: var(--dark); color: rgba(255,255,255,0.7); padding: 70px 0 0; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; color: var(--white); }
.footer-brand .logo-icon { width: 42px; height: 42px; border-radius: var(--radius); background: linear-gradient(135deg, var(--primary), var(--primary-dark)); display: flex; align-items: center; justify-content: center; font-weight: 800; }
.footer-brand span { font-size: 20px; font-weight: 700; }
.footer-desc { color: rgba(255,255,255,0.55); font-size: 14px; line-height: 1.7; }
.footer-contact p { display: flex; align-items: center; gap: 10px; font-size: 14px; margin-bottom: 10px; }
.footer-contact svg { color: var(--accent); }
.footer-qq { color: var(--accent); font-weight: 600; }
.footer-qq:hover { color: var(--accent-dark); }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,0.65); font-size: 14px; }
.footer-links a:hover { color: var(--white); }
.footer-qq-card {
    display: flex; align-items: center; gap: 14px;
    background: var(--dark-2);
    border-radius: var(--radius);
    padding: 16px;
    cursor: pointer;
    transition: var(--transition);
}
.footer-qq-card:hover { background: rgba(255,255,255,0.08); }
.footer-qq-card .qq-icon { color: var(--accent); }
.footer-qq-card .qq-info .label { font-size: 12px; color: rgba(255,255,255,0.5); }
.footer-qq-card .qq-info .num { font-size: 20px; font-weight: 700; color: var(--white); }
.btn-qq-mini {
    margin-left: auto;
    background: var(--accent);
    color: var(--white);
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 12px;
}
.btn-qq-mini:hover { color: var(--white); background: var(--accent-dark); }
.lang-pill { display: inline-flex; border: 1px solid rgba(255,255,255,0.2); border-radius: 20px; overflow: hidden; }
.lang-pill a { display: inline-block; padding: 4px 12px; font-size: 12px; color: rgba(255,255,255,0.7); }
.lang-pill a.active { background: var(--primary); color: var(--white); }
.footer-divider { border-color: rgba(255,255,255,0.1); margin: 50px 0 20px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding-bottom: 24px; font-size: 13px; color: rgba(255,255,255,0.5); }
.footer-bottom-links { display: flex; gap: 16px; align-items: center; }
.footer-bottom-links a { color: rgba(255,255,255,0.5); }
.footer-bottom-links a:hover { color: var(--white); }

/* Fixed bar */
.wp-fixed-bar {
    position: fixed; right: 18px; bottom: 90px;
    display: flex; flex-direction: column; gap: 10px;
    z-index: 1040;
}
.fixed-item {
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--white);
    color: var(--dark);
    box-shadow: var(--shadow);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    font-size: 11px; cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}
.fixed-item:hover { background: var(--primary); color: var(--white); transform: translateY(-3px); border-color: var(--primary); box-shadow: var(--shadow-lg); }
.fixed-item svg { width: 18px; height: 18px; }
.wp-backtop {
    width: 48px; height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(26, 115, 232, 0.35);
    transition: all 0.3s ease;
    border: none;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}
.wp-backtop.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.wp-backtop:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(26, 115, 232, 0.45);
}
.wp-backtop:active {
    transform: translateY(-1px) scale(0.95);
}
.wp-backtop svg {
    width: 20px; height: 20px;
    animation: backtop-bounce 2.4s ease-in-out infinite;
}
@keyframes backtop-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

/* Modal */
.wp-modal-overlay {
    position: fixed; inset: 0;
    background: rgba(26,26,46,0.6);
    z-index: 1050;
    display: none;
    backdrop-filter: blur(4px);
}
.wp-modal {
    position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px;
    width: 90%; max-width: 400px;
    z-index: 1060;
    display: none;
    box-shadow: var(--shadow-lg);
    text-align: center;
}
.wp-modal .close-btn {
    position: absolute; top: 14px; right: 18px;
    font-size: 26px; color: var(--gray-500); cursor: pointer;
}
.wp-modal .close-btn:hover { color: var(--dark); }
.modal-avatar {
    width: 70px; height: 70px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--white);
}
.modal-title { font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.modal-desc { font-size: 14px; color: var(--gray-600); margin-bottom: 20px; }
.qq-number-box {
    background: var(--gray-100);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}
.qq-number-box .label { font-size: 13px; color: var(--gray-500); margin-bottom: 8px; }
#qqNumber { font-size: 28px; font-weight: 700; color: var(--dark); letter-spacing: 2px; }
.modal-actions { display: flex; gap: 12px; }
.modal-actions a, .modal-actions button {
    flex: 1;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px;
    border-radius: var(--radius);
    font-size: 15px; font-weight: 600;
    border: none; cursor: pointer;
    transition: var(--transition);
}
.modal-actions a { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: var(--white); box-shadow: 0 4px 15px rgba(26,115,232,0.3); }
.modal-actions a:hover { color: var(--white); }
.modal-actions button { background: var(--accent); color: var(--white); box-shadow: 0 4px 15px rgba(255,107,53,0.3); }
.modal-actions button:hover { background: var(--accent-dark); }
#copyTip { margin-top: 12px; font-size: 13px; color: #52c41a; display: none; }

/* 404 */
.wp-404 {
    min-height: 70vh;
    display: flex; align-items: center; justify-content: center;
    text-align: center; padding: 80px 20px;
}
.wp-404 .icon-404 { font-size: 90px; font-weight: 800; color: var(--primary); opacity: 0.25; line-height: 1; }
.wp-404 h2 { font-size: 28px; font-weight: 700; color: var(--dark); margin: 20px 0 12px; }
.wp-404 p { color: var(--gray-600); margin-bottom: 24px; }

/* Forms */
.form-control, .form-select {
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 14px;
}
.form-control:focus, .form-select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,115,232,0.1); }
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    border-radius: var(--radius-sm);
    padding: 12px 24px;
    font-weight: 600;
}
.btn-primary:hover { background: var(--primary-dark); }

/* === Bootstrap / Corporate compatible helpers === */
.section-header { margin-bottom: 44px; }
.section-header.text-center { text-align: center; }
.section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 6px 18px;
    border-radius: 24px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin: 0 0 6px;
    position: relative;
}
.section-title { font-size: 32px; font-weight: 700; color: var(--dark); margin: 0 0 12px; line-height: 1.3; display: block; }
.section-desc { color: var(--gray-600); font-size: 16px; max-width: 600px; }
.section-header.text-center .section-desc { margin-left: auto; margin-right: auto; }

.page-hero {
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 50%, var(--primary) 100%);
    padding: 110px 0 90px;
    color: var(--white);
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at 50% 120%, rgba(255,107,53,0.18), transparent 50%);
}
.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.6;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero-title { font-size: 38px; font-weight: 800; margin-bottom: 14px; }
.page-hero-desc { font-size: 16px; color: rgba(255,255,255,0.75); max-width: 600px; margin: 0; }

.page-hero-sm { padding: 70px 0 55px; }
.page-hero-sm .page-hero-title { font-size: 28px; margin-bottom: 10px; }
.page-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    color: rgba(255,255,255,0.65);
    font-size: 14px;
}
.page-hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
.page-hero-meta svg { color: var(--accent); opacity: 0.8; }

.subcat-cloud {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}
.subcat-cloud::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}
.subcat-title { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; color: var(--gray-500); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
.subcat-dot { width: 8px; height: 8px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); box-shadow: 0 0 0 3px rgba(26,115,232,0.15); }
.subcat-list { display: flex; flex-wrap: wrap; gap: 10px; }
.subcat-chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 9px 18px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 50px;
    color: var(--gray-700);
    font-size: 13px;
    font-weight: 500;
    transition: all 0.25s ease;
    cursor: pointer;
}
.subcat-chip:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26,115,232,0.15);
}
.subcat-chip.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(26,115,232,0.25);
    transform: translateY(-2px);
}
.subcat-arrow { transition: transform 0.2s ease; color: var(--gray-400); }
.subcat-chip:hover .subcat-arrow { transform: translateX(3px); color: var(--primary); }
.subcat-chip.active .subcat-arrow { color: rgba(255,255,255,0.8); }

.list-item {
    display: flex;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: var(--transition);
}
.list-item:hover { box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.list-item-img { width: 280px; min-height: 190px; overflow: hidden; flex-shrink: 0; background: linear-gradient(135deg, var(--gray-200), var(--gray-100)); }
.list-item-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.list-item:hover .list-item-img img { transform: scale(1.05); }
.list-item-body { padding: 24px 28px; flex: 1; display: flex; flex-direction: column; }
.list-item-body h4 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.list-item-body h4 a { color: var(--dark); }
.list-item-body h4 a:hover { color: var(--primary); }
.list-item-body p { color: var(--gray-600); font-size: 14px; flex: 1; margin: 0; }
.read-more { color: var(--primary); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 12px; }
.read-more:hover { gap: 10px; }

.widget-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}
.widget-card .widget-title { margin-bottom: 16px; }

.contact-info-cards { display: flex; flex-direction: column; gap: 12px; }
.contact-info-card {
    display: flex; align-items: center; gap: 16px;
    padding: 16px 18px;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.contact-info-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.contact-info-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.contact-form-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    padding: 36px;
    box-shadow: var(--shadow);
}

.cta-section {
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(255,107,53,0.15), transparent 40%);
    pointer-events: none;
    z-index: 0;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { color: var(--white); }

/* Utility spacing */
.py-6 { padding-top: 60px !important; padding-bottom: 60px !important; }

/* Stats alternate classes */
.mbfop-stats, .mbfop-case-stats {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: 60px 0;
}
.mbfop-stats .stat-num, .mbfop-case-stats .stat-num { color: var(--white); }
.mbfop-stats .stat-label, .mbfop-case-stats .stat-label { color: rgba(255,255,255,0.85); }

/* Feature card (about services) */
.feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.feature-icon {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
}
.feature-card h5 { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--gray-600); margin: 0; }

/* Stat box (about) */
.stat-box {
    background: var(--white);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow-sm);
    text-align: center;
}
.stat-box h3 { font-size: 28px; font-weight: 800; margin-bottom: 4px; }
.stat-box small { font-size: 13px; color: var(--gray-600); }

/* SEO list card (about why choose us) */
.seo-list-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow);
}

/* Product card */
.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.product-img {
    height: 190px;
    background: linear-gradient(135deg, var(--gray-200), var(--gray-100));
    overflow: hidden;
    display: flex; align-items: center; justify-content: center;
}
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .product-img img { transform: scale(1.05); }
.product-body { padding: 22px; }
.product-body h5, .product-body h6 { font-size: 17px; font-weight: 700; margin-bottom: 12px; }
.product-body h5 a, .product-body h6 a { color: var(--dark); }
.product-body h5 a:hover, .product-body h6 a:hover { color: var(--primary); }

/* Cover placeholder */
.cover-plain {
    display: flex; align-items: center; justify-content: center;
    height: 100%; width: 100%;
}

/* Placeholder gradient */
.placeholder-gradient {
    background: linear-gradient(135deg, #e0f2fe, #bfdbfe);
}

/* Heading level overrides */
.service-card h4 { font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.adv-card h4 { font-size: 19px; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.case-body h5 { font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.case-body h5 a { color: var(--dark); }
.case-body h5 a:hover { color: var(--primary); }
.news-body h5 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.news-body h5 a { color: var(--dark); }
.news-body h5 a:hover { color: var(--primary); }
.news-body h6 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.news-body h6 a { color: var(--dark); }
.news-body h6 a:hover { color: var(--primary); }
.related-card h6 { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.related-card h6 a { color: var(--dark); }
.related-card h6 a:hover { color: var(--primary); }

/* Responsive */
@media (max-width: 1199px) {
    .services-grid, .cases-grid, .news-grid, .adv-grid { grid-template-columns: repeat(2, 1fr); }
    .related-grid, .team-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 991px) {
    .list-grid, .article-grid, .intro-grid, .hero-grid, .seo-grid { grid-template-columns: 1fr; }
    .slide-title { font-size: 34px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .process-grid { grid-template-columns: repeat(2, 1fr); }
    .process-step::after { display: none; }
    .navbar-collapse {
        background: var(--white);
        padding: 10px 0 20px;
        border-top: 1px solid var(--gray-100);
    }
    .dropdown-mega { box-shadow: none; border-radius: 0; }
    .nav-link { padding: 12px 0 !important; }
    .dropdown-toggle-btn { padding: 8px 12px; }
    /* 手机端确保主容器不溢出 */
    body { max-width: 100vw; }
    main { overflow-x: hidden; }
}
@media (max-width: 767px) {
    .services-grid, .cases-grid, .news-grid, .adv-grid, .related-grid, .team-grid, .faq-grid { grid-template-columns: 1fr; }
    .slide-title { font-size: 28px; }
    .wp-inner-banner h1 { font-size: 28px; }
    .wp-section-title h2 { font-size: 26px; }
    .wp-list-item { grid-template-columns: 1fr; }
    .list-item { flex-direction: column; }
    .list-item-img { width: 100%; height: 200px; }
    .item-img { min-height: 180px; }
    .item-body { padding: 20px; }
    .article-main { padding: 24px; }
    .article-title { font-size: 22px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .arrow { display: none; }
}
@media (max-width: 575px) {
    .stat-num { font-size: 34px; }
    .hero-left h2 { font-size: 28px; }
    .qq-info .num { font-size: 22px; }
    .hero-btns .btn-primary-custom, .hero-btns .btn-outline-custom { width: 100%; justify-content: center; }
}

/* ===== 移动端独立UI显示规则(<992px 显示) ===== */
@media (max-width: 991.98px) {
    .mbfop-burger {
        display: flex !important;
    }
    .mbfop-mobile-panel {
        display: flex;
    }
    /* 桌面端导航在移动端隐藏(避免双导航) */
    .mbfop-desktop-nav,
    .mbfop-nav-right {
        display: none !important;
    }
    /* 顶部信息条在移动端收起 */
    .top-bar { display: none; }
}