/* 主要CSS样式 - 分离到独立文件 */

/* 重写一些内联样式，增加更多优化 */

/* ===== 全局头部样式 ===== */
header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 0 0 !important;
    position: fixed;
    width: 100%;
    height: 70px;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
}

header.scrolled {
    height: 60px;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.2);
}

header.hidden {
    transform: translateY(-100%);
}

.header-container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.header-container {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 36px;
}
.header-container > .cta-button {
    margin-left: auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.8rem;
    font-weight: 900;
    text-decoration: none;
    color: var(--white);
}

.logo i {
    color: var(--secondary);
}

.logo-img {
    height: 36px;
    width: auto;
    display: block;
    filter: brightness(0) invert(1);
}

/* 强制锁定导航菜单间距 - 仅限第一层ul，不影响下拉子菜单 */
header nav > ul,
header .header-container nav > ul {
    display: flex !important;
    list-style: none !important;
    gap: 34px !important;
    justify-content: flex-start !important;
    flex-wrap: nowrap !important;
    padding: 0 !important;
    margin: 0 !important;
}
/* 锁定每个导航项的左右margin，防止内联样式干扰 */
header nav > ul > li,
header .header-container nav > ul > li {
    margin-left: 0 !important;
    margin-right: 0 !important;
}

/* 下拉子菜单不受外层 flex 影响 */
nav ul ul {
    display: none;
}

nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 5px 0;
    position: relative;
}

nav a:hover {
    color: var(--secondary);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary);
    transition: all 0.3s ease;
}

nav a:hover::after,
nav a.active::after {
    width: 100%;
}

nav a.active {
    color: var(--secondary);
}

/* ===== 产品下拉菜单（PC） ===== */
.has-dropdown {
    position: relative;
}
.dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    padding: 0;
    border-radius: 8px;
    transition: all .25s ease;
    line-height: 1;
}
.dropdown-toggle::after {
    display: none !important;
}
.dropdown-toggle:hover {
    color: var(--secondary);
}
.dropdown-toggle i {
    font-size: .65rem;
    transition: transform .3s ease;
    opacity: .8;
    vertical-align: middle;
}
/* 下拉箭头始终保持白色（直接覆盖 path 填充色，避免继承 active/hover 文字色） */
.dropdown-toggle .svg-icon,
.dropdown-toggle .svg-icon path {
    color: var(--white) !important;
    fill: var(--white) !important;
}
.dropdown-toggle .svg-icon {
    width: 14px;
    height: 14px;
    transform-origin: center;
    flex-shrink: 0;
}
.has-dropdown:hover .dropdown-toggle .svg-icon {
    transform: rotate(180deg);
    opacity: 1;
}
.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    min-width: 220px;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 20px 50px rgba(0,0,0,.2), 0 0 0 1px rgba(255,255,255,.05);
    padding: 12px 0;
    list-style: none;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    display: none;
    transition: all .3s cubic-bezier(.16,1,.3,1);
    z-index: 1000;
}
.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    display: block;
    transform: translateX(-50%) translateY(0);
}
.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 0;
    right: 0;
    height: 12px;
}
/* 小三角箭头 */
.dropdown-menu::after {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: #fff;
    box-shadow: -3px -3px 6px rgba(0,0,0,.04);
    border-radius: 2px;
}
.dropdown-menu li {
    margin: 0;
}
.dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #334155 !important;
    padding: 12px 20px !important;
    font-size: .9rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all .15s ease;
}
.dropdown-menu li a .svg-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--primary);
}
.dropdown-menu li a .dd-title {
    font-weight: 600;
    color: #1e293b;
}
.dropdown-menu li a .dd-desc {
    display: block;
    font-size: .75rem;
    color: #94a3b8;
    font-weight: 400;
    margin-top: 2px;
}
.dropdown-menu li a::after {
    display: none;
}
.dropdown-menu li a:hover {
    background: linear-gradient(135deg, rgba(26,86,219,.06), rgba(99,102,241,.06));
    color: var(--primary) !important;
}
.dropdown-menu li a:hover .dd-title {
    color: var(--primary) !important;
}
.dropdown-menu li a.active {
    color: var(--primary) !important;
    background: rgba(26,86,219,.08);
}

.cta-button {
    background-color: var(--secondary);
    color: var(--white);
    padding: 12px 30px;
    border: none;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(249, 168, 38, 0.3);
}

/* 移动端响应式调整 */
@media (max-width: 768px) {
    /* 2026-09-21：移动端顶栏整体压扁（70px → 56px），logo 36→26、汉堡 46→34。
       ⚠️ 全站首屏「给固定头部让位」的偏移量必须同步由 70px 改 56px
       （11 个 css/<页>.css 的 margin-top、6 个方案页 banner 的 padding-top 100→86、
         cases 的 .page-hero padding-top、news.css 的 96/92），漏改一处就是 14px 空档。 */
    header { height: 56px; }
    header.scrolled { height: 56px; }                     /* 移动端不做滚动收缩，避免与偏移量错位 */
    .logo-img { height: 26px; }

    .logo {
        font-size: 1.5rem;
    }

    .header-container {
        padding: 0 16px;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    /* 移动端隐藏桌面导航，避免被挤压成竖排 */
    .header-container > nav,
    .header-container > .cta-button {
        display: none !important;
    }

    /* 移动端兜底: 防止任何子元素水平溢出 */
    body { overflow-x: hidden; }
    .container { max-width: 100%; padding: 0 16px; }
    
    .cta-button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    /* 移动端菜单按钮样式 */
    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: 1px solid rgba(255, 255, 255, 0.35);
        border-radius: 10px;
        color: white;
        font-size: 1.15rem;
        cursor: pointer;
        width: 34px;
        height: 34px;
        margin-left: 8px;
        transition: all 0.3s ease;
        z-index: 1001;
        position: relative;
    }
    
    .mobile-menu-btn:hover {
        background-color: rgba(255, 255, 255, 0.15);
        border-color: var(--secondary);
        transform: scale(1.05);
    }
    
    .mobile-menu-btn:active {
        transform: scale(0.95);
    }
    
    .mobile-menu-btn[aria-label*="关闭"] {
        background-color: rgba(255, 255, 255, 0.1);
        border-color: var(--secondary);
        color: var(--secondary);
    }
    
    /* 确保移动端菜单按钮可见 */
    .header-container .mobile-menu-btn {
        display: flex !important;
    }
}

/* 移动端菜单按钮 - 由JavaScript完全控制显示/隐藏 */
.mobile-menu-btn {
    /* 不设置display属性，由JavaScript动态控制 */
    background: transparent;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1000;
}

/* 确保PC端显示桌面导航 */
@media (min-width: 769px) {
    .mobile-menu-btn,
    .mobile-menu {
        display: none !important;
    }
    
    .header-container nav > ul {
        display: flex !important;
    }
}

@media (max-width: 768px) {
    /* 移动端菜单按钮样式 */
    .mobile-menu-btn {
        display: flex !important; /* 确保在移动端显示 */
        background: transparent;
        border: 1px solid rgba(255, 255, 255, 0.35);
        border-radius: 10px;
        color: white;
        font-size: 1.15rem;
        cursor: pointer;
        width: 34px;
        height: 34px;
        align-items: center;
        justify-content: center;
        margin-left: 8px;
        transition: all 0.3s ease;
        z-index: 1001;
        position: relative;
    }
    
    .mobile-menu-btn:hover {
        background-color: rgba(255, 255, 255, 0.15);
        border-color: var(--secondary);
        transform: scale(1.05);
    }
    
    .mobile-menu-btn:active {
        transform: scale(0.95);
    }
    
    /* 移动端导航布局调整 */
    .header-container {
        position: relative;
    }
    
    .header-container nav {
        display: flex;
        align-items: center;
        justify-content: flex-end;
        flex: 1;
    }
    
    /* 在移动端隐藏桌面导航 */
    .header-container nav > ul {
        display: none !important;
    }
    
    /* 确保移动端菜单按钮只在移动端显示 - 已包含在上面的移动端样式中 */
    
    /* 移动端菜单内容 - 默认隐藏 */
    .mobile-menu {
        display: none;
        position: fixed;
        top: 56px;
        left: 0;
        width: 100%;
        background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
        flex-direction: column;
        padding: 6px 0;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
        transform: translateY(-100%);
        opacity: 0;
        transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
        z-index: 1000;
        max-height: 0;
        overflow: hidden;
        backdrop-filter: blur(10px);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .mobile-menu.active {
        display: block;
        transform: translateY(0);
        opacity: 1;
        max-height: calc(100vh - 56px);
        overflow-y: auto;
        animation: slideDown 0.4s ease-out;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .mobile-menu li {
        width: 100%;
        text-align: center;
        margin: 0;
        opacity: 1;
        transform: none;
    }
    
    @keyframes fadeIn {
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .mobile-menu li a {
        display: block;
        padding: 14px 20px;
        font-size: 1.05rem;
        font-weight: 500;
        color: white;
        text-decoration: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }
    
    .mobile-menu li a:before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
        transition: left 0.6s ease;
    }
    
    .mobile-menu li a:hover {
        background-color: rgba(255, 255, 255, 0.08);
        color: var(--secondary);
        padding-left: 35px;
    }
    
    .mobile-menu li a:hover:before {
        left: 100%;
    }
    
    .mobile-menu li:last-child a {
        border-bottom: none;
        border-bottom-left-radius: 10px;
        border-bottom-right-radius: 10px;
    }
    
    .mobile-menu li:first-child a {
        border-top-left-radius: 10px;
        border-top-right-radius: 10px;
    }
    
    /* 移动端下拉菜单：默认收起，点击后展开 */
    .mobile-menu .has-dropdown {
        position: static;
    }
    .mobile-menu .dropdown-toggle i {
        transform: none !important;
    }
    .mobile-menu .dropdown-menu {
        position: static !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        display: none !important;
        box-shadow: none;
        background: transparent;
        padding: 0;
        min-width: auto;
        margin-top: 0;
        left: auto;
        top: auto;
    }
    .mobile-menu .has-dropdown.open .dropdown-menu {
        display: block !important;
    }
    .mobile-menu .dropdown-menu::before {
        display: none;
    }
    .mobile-menu .dropdown-menu li a {
        display: flex;
        align-items: center;
        gap: 9px;
        color: rgba(255,255,255,.85) !important;
        padding: 11px 16px 11px 34px !important;
        font-size: .98rem;
        background: rgba(255,255,255,.04);
        border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .mobile-menu .dropdown-menu li a .svg-icon {
        width: 16px;
        height: 16px;
        flex-shrink: 0;
        color: var(--secondary);
    }
    .mobile-menu .dropdown-menu li a .dd-title {
        font-weight: 600;
        color: #fff;
    }
    .mobile-menu .dropdown-menu li a .dd-desc {
        display: block;
        font-size: .75rem;
        color: rgba(255,255,255,.5);
        font-weight: 400;
        margin-top: 2px;
    }
    .mobile-menu .dropdown-menu li a::after {
        display: none;
    }
    .mobile-menu .dropdown-menu li a:hover {
        color: var(--dark) !important;
        background: rgba(255,255,255,.85);
    }
    .mobile-menu .dropdown-menu li a:hover .dd-title,
    .mobile-menu .dropdown-menu li a:hover .dd-desc {
        color: var(--dark) !important;
    }
    
    /* 调整CTA按钮位置 - 在移动端显示为菜单项 */
    .header-container > .cta-button {
        display: none;
    }
    
    /* 添加移动端菜单提示 */
    .mobile-menu-btn[aria-label*="关闭"] {
        background-color: rgba(255, 255, 255, 0.1);
        border-color: var(--secondary);
        color: var(--secondary);
    }

    /* ===== 移动端菜单：左右分栏（一级在左，点开后二级在右） =====
       DOM 由 components/components.js 生成：
         .mobile-menu > .mm-split-body > (ul.nav-list.mm-left ＋ .mm-right > ul.mm-pane × N)
       --mm-split 是给 JS 的「样式表已支持分栏」探测标记（规则在本 media 之后，勿删）。 */
    .mobile-menu.mm-split {
        padding: 0;
    }
    .mobile-menu.mm-split.active {
        overflow: hidden;                 /* 交给左右两栏各自滚动 */
    }
    .mobile-menu.mm-split .mm-split-body {
        display: flex;
        align-items: stretch;
        height: calc(100vh - 56px);       /* 56px = 移动端顶栏高度 */
    }

    /* —— 左栏：一级菜单 —— */
    .mobile-menu.mm-split .mm-left {
        flex: 0 0 118px;
        width: 118px;
        margin: 0;
        padding: 0;
        list-style: none;
        background: rgba(0, 0, 0, .22);
        border-right: 1px solid rgba(255, 255, 255, .12);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    .mobile-menu.mm-split .mm-left > li {
        width: 100%;
        text-align: left;
        border-bottom: 1px solid rgba(255, 255, 255, .07);
    }
    .mobile-menu.mm-split .mm-left > li > a {
        display: flex;
        align-items: center;
        gap: 4px;
        padding: 15px 8px 15px 14px;
        font-size: .92rem;
        font-weight: 500;
        line-height: 1.35;
        color: rgba(255, 255, 255, .72);
        background: transparent;
        border-bottom: none;
        border-radius: 0;
        position: relative;
    }
    /* 关掉悬浮扫光（原有 :before 动画），避免与选中态打架 */
    .mobile-menu.mm-split .mm-left > li > a:before {
        display: none;
    }
    .mobile-menu.mm-split .mm-left > li > a:hover {
        color: #fff;
        background: rgba(255, 255, 255, .07);
    }
    /* 当前页所属的一级项（文字提亮）。注意顺序：放在选中态之前，让选中态覆盖它 */
    .mobile-menu.mm-split .mm-left > li.mm-item--current > a {
        color: var(--secondary);
    }
    .mobile-menu.mm-split .mm-left > li.mm-item--active > a {
        color: #fff;
        font-weight: 700;
        background: rgba(255, 255, 255, .14);
        box-shadow: inset 3px 0 0 0 var(--secondary);
    }
    /* 有二级的一级项：箭头由「下」转「右」，暗示右侧有内容 */
    .mobile-menu.mm-split .mm-left > li > a .svg-icon {
        width: 11px;
        height: 11px;
        flex: 0 0 auto;
        margin-left: auto;
        opacity: .5;
        transform: rotate(-90deg);
    }
    .mobile-menu.mm-split .mm-left > li.mm-item--active > a .svg-icon {
        opacity: .9;
    }

    /* —— 右栏：二级菜单 —— */
    .mobile-menu.mm-split .mm-right {
        flex: 1 1 auto;
        min-width: 0;
        background: rgba(255, 255, 255, .03);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    .mobile-menu .mm-right .mm-pane {
        display: none !important;
        position: static !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        margin: 0;
        padding: 0;
        min-width: auto;
        background: transparent;
        box-shadow: none;
        list-style: none;
    }
    .mobile-menu .mm-right .mm-pane.mm-pane--active {
        display: block !important;
    }
    /* 桌面下拉的白色小三角（.dropdown-menu::after）要清掉 —— 移动端基础样式只清了 ::before */
    .mobile-menu.mm-split .mm-right .mm-pane:after {
        display: none;
    }
    /* 二级条目：图标在左，标题/说明上下两行（窄栏里并排会挤爆） */
    .mobile-menu.mm-split .mm-right .dropdown-menu li a {
        display: grid;
        grid-template-columns: 15px 1fr;
        column-gap: 9px;
        row-gap: 2px;
        align-items: start;
        text-align: left;                 /* 底层的 .mobile-menu li{text-align:center} 会把格子内容居中 */
        padding: 13px 12px !important;
        background: transparent;
        border-bottom: 1px solid rgba(255, 255, 255, .07);
        border-radius: 0;
    }
    .mobile-menu.mm-split .mm-right .dropdown-menu li a .svg-icon {
        grid-column: 1;
        grid-row: 1 / span 2;
        margin-top: 2px;
    }
    .mobile-menu.mm-split .mm-right .dropdown-menu li a .dd-title {
        grid-column: 2;
        grid-row: 1;
    }
    .mobile-menu.mm-split .mm-right .dropdown-menu li a .dd-desc {
        grid-column: 2;
        grid-row: 2;
    }
    .mobile-menu.mm-split .mm-right .dropdown-menu li a:hover {
        background: rgba(255, 255, 255, .09);
        color: #fff !important;
    }
    .mobile-menu.mm-split .mm-right .dropdown-menu li a:hover .dd-title {
        color: #fff !important;
    }
    .mobile-menu.mm-split .mm-right .dropdown-menu li a:hover .dd-desc {
        color: rgba(255, 255, 255, .6) !important;
    }
    /* 当前页那一项 */
    .mobile-menu.mm-split .mm-right .dropdown-menu li a.mm-current {
        background: rgba(255, 255, 255, .1);
        box-shadow: inset 3px 0 0 0 var(--secondary);
    }
    .mobile-menu.mm-split .mm-right .dropdown-menu li a.mm-current .dd-title {
        color: var(--secondary) !important;
    }
    /* 无二级的一级项：右栏一张「前往 XX」卡片 */
    .mobile-menu.mm-split .mm-right .mm-single {
        display: flex;
        align-items: center;
        gap: 10px;
        margin: 16px 12px 0;
        padding: 15px 14px;
        font-size: .95rem;
        font-weight: 600;
        text-align: left;
        color: #fff;
        background: rgba(255, 255, 255, .1);
        border: 1px solid rgba(255, 255, 255, .16);
        border-radius: 10px;
    }
    .mobile-menu.mm-split .mm-right .mm-single .mm-single-label {
        flex: 1 1 auto;
    }
    .mobile-menu.mm-split .mm-right .mm-single .mm-arrow {
        width: 15px;
        height: 15px;
        flex: 0 0 auto;
        color: var(--secondary);
    }
    .mobile-menu.mm-split .mm-right .mm-single:hover {
        color: #fff !important;
        background: rgba(255, 255, 255, .18);
    }
}

/* 移动端菜单「左右分栏」的能力探测标记 —— components/components.js 读这个自定义属性判断
   样式表是否已支持分栏（两文件线上都是 12h 强缓存，JS 先到而 CSS 未到时必须能退回旧菜单）。
   挂在 :root 而不是 .mobile-menu 上：探测发生在菜单元素还没插进文档的时候，
   那时对它取 getComputedStyle 拿不到任何样式。 */
:root {
    --mm-split-support: 1;
}

/* 移动端菜单展开时收起右下角客服浮窗/按钮：它们 z-index 9999/10000，会压在菜单右栏上 */
body.mm-menu-open .floating-chat-panel,
body.mm-menu-open .chat-toggle-btn {
    display: none !important;
}

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

.animate-on-scroll {
    opacity: 0;
}

.animate-on-scroll.animated {
    animation: fadeInUp 0.8s ease forwards;
}

/* 加载优化 */
img {
    max-width: 100%;
    height: auto;
}

/* 性能优化 */
.feature-card, .stat-card {
    will-change: transform;
}

/* 表单验证样式 */
.form-control.invalid {
    border-color: #e74c3c;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.2);
}

.error-message {
    color: #e74c3c;
    font-size: 0.9rem;
    margin-top: 5px;
    display: none;
}

.error-message.show {
    display: block;
}

/* 改进的按钮样式 */
.cta-button:active, .secondary-button:active {
    transform: translateY(-1px);
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1.4fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column .logo {
    font-size: 1.5rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--white);
}

.footer-column .logo i {
    color: var(--secondary);
}

.footer-column p {
    font-size: 0.9rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
}

.footer-tagline {
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.footer-column h3 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-column ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 20px;
}

.footer-column ul li {
}

.footer-column ul a {
    color: #bbb;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-column ul a:hover {
    color: var(--secondary);
}

.footer-contact, .contact-info {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact i, .contact-info i {
    color: var(--secondary);
    margin-top: 3px;
}

.copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 25px;
    text-align: center;
}

.copyright p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    footer {
        padding: 40px 0 25px;
    }
    
    .footer-content {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -ms-flex-direction: column;
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .footer-column {
        background: rgba(255, 255, 255, 0.03);
        -webkit-border-radius: 12px;
        border-radius: 12px;
        padding: 25px 20px;
        margin: 0 -5px;
    }
    
    .footer-column .logo {
        -webkit-box-pack: center;
        -ms-flex-pack: center;
        justify-content: center;
    }
    
    .footer-column h3 {
        position: relative;
        padding-bottom: 12px;
        margin-bottom: 15px;
    }
    
    .footer-column h3::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        -webkit-transform: translateX(-50%);
        transform: translateX(-50%);
        width: 40px;
        height: 2px;
        background: -webkit-gradient(linear, left top, right top, from(transparent), color-stop(var(--secondary)), to(transparent));
        background: linear-gradient(90deg, transparent, var(--secondary), transparent);
    }
    
    .footer-column ul {
        display: grid;
        grid-template-columns: 1fr 1fr;
        justify-items: center;
        gap: 10px 16px;
    }
    
    .footer-column ul li {
    }
    
    .footer-contact, .contact-info {
        -webkit-box-pack: center;
        -ms-flex-pack: center;
        justify-content: center;
    }
    
    .contact-info {
        padding: 5px 0;
    }
    
    .footer-qrcode {
        background: rgba(255, 255, 255, 0.05);
    }
    
    .footer-qrcode img {
        margin: 0 auto;
        display: block;
    }
}

/* 打印样式 */
@media print {
    header, footer, .cta-section {
        display: none;
    }
    
    body {
        color: black;
        background: white;
    }
    
    .container {
        max-width: 100%;
    }
}

/* 提高可访问性 */
a:focus, button:focus, input:focus {
    outline: 3px solid var(--secondary);
    outline-offset: 2px;
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #f0f0f0;
    }
    
    .feature-card, .stat-card {
        background-color: #2d2d2d;
        color: #f0f0f0;
    }
    
    .form-control {
        background-color: #333;
        color: #f0f0f0;
        border-color: #555;
    }
    
    .form-control:focus {
        border-color: var(--primary-light);
    }
}

/* 新CTA样式 */
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 40px 0 30px;
    flex-wrap: wrap;
}

.cta-secondary {
    background-color: #28a745;
    border-color: #28a745;
    color: white;
}

.cta-secondary:hover {
    background-color: #218838;
    border-color: #1e7e34;
    transform: translateY(-2px);
}

/* 增强CTA按钮效果 */
.cta-secondary {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    border: none;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
    font-weight: 600;
}

.cta-secondary:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.cta-secondary:hover:before {
    left: 100%;
}

.cta-secondary:hover {
    background: linear-gradient(135deg, #218838 0%, #1ba87e 100%);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 20px rgba(40, 167, 69, 0.4);
}

.cta-button {
    transition: all 0.3s ease;
    font-weight: 500;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

/* CTA标题 - 纯白+强阴影，确保在任何背景上都清晰 */
.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #FFFFFF !important;
    -webkit-text-fill-color: #FFFFFF !important;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4), 0 0 40px rgba(0, 0, 0, 0.15);
    font-weight: 800;
}

.cta-section p {
    font-size: 1.3rem; /* 稍微增大字体 */
    line-height: 1.8; /* 增加行高 */
    color: #f5f9ff; /* 更亮的浅蓝色 */
    max-width: 800px;
    margin: 0 auto 30px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4); /* 增强阴影效果 */
    font-weight: 500; /* 增加字体粗细 */
    letter-spacing: 0.5px; /* 轻微字间距 */
}

/* 新CTA图标样式 */
.cta-note {
    margin-top: 40px;
    position: relative;
    z-index: 1;
}

.cta-note p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    margin: 0;
}

.cta-note i {
    color: var(--secondary);
    margin-right: 8px;
}

.cta-note strong {
    color: var(--secondary);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .cta-buttons {
        flex-direction: column;
        gap: 15px;
        margin: 30px 0 20px;
    }
    
    .cta-button {
        margin: 0 !important;
        text-align: center;
    }
}

/* ===== 回到顶部按钮样式 ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 46px;
    height: 46px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(26, 86, 219, 0.4);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    text-decoration: none;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(26, 86, 219, 0.5);
}

/* Font Awesome 图标已内联为 SVG，无需字体文件 */
.svg-icon{display:inline-block;width:1em;height:1em;vertical-align:-.125em;fill:currentColor;flex-shrink:0;overflow:visible;}

/* 图标容器内的 SVG 自动继承容器 font-size */
[class*="-icon"] .svg-icon,
[class*="-icon"] svg {
    width: 1em;
    height: 1em;
}


/* ===== 由各页面内联 CSS 上移而来的公共规则（2026-09-19 去重）===== */
* { margin: 0; padding: 0; box-sizing: border-box }
.breadcrumb a { color: var(--white); text-decoration: none }
.breadcrumb a:hover { opacity: 1; color: var(--secondary) }
.section-title p { color: var(--gray); font-size: 1.1rem; max-width: 600px; margin: 0 auto }
.stat-item .stat-label { margin-top: 10px; font-size: 1rem; opacity: 0.85 }
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease }
.fade-up.visible { opacity: 1; transform: translateY(0) }
.banner-tag i, banner-tag .svg-icon { margin-right: 6px; color: var(--secondary) }
.section-header .tag { display: inline-block; background: rgba(26,86,219,.1); color: var(--primary); font-size: .75rem; font-weight: 700; letter-spacing: .08em; padding: 4px 14px; border-radius: 100px; margin-bottom: 16px }
.pricing-section { padding: 100px 0; background: #f9fafb }
.pricing-card.featured:hover { transform: scale(1.04) translateY(-6px); border-color: transparent }
.pricing-name { font-size: 1.3rem; font-weight: 700; margin-bottom: 6px; color: var(--dark) }
.pricing-card.featured .pricing-name { color: var(--white) }
.pricing-price { margin-bottom: 28px }
.pricing-card.featured .pricing-price .pp-num { color: var(--secondary) }
.pricing-price .pp-unit { font-size: 1rem; color: var(--gray) }
.pricing-divider { height: 1px; background: #f0f0f0; margin-bottom: 28px }
.pricing-features { list-style: none; flex: 1; margin-bottom: 32px }
.pricing-card.featured .pricing-features li i { color: var(--secondary) }
.pricing-card.featured .pricing-cta:hover { background: var(--secondary); color: var(--white) }
.metric-item:last-child { border-right: none }
.metric-item .metric-num { font-size: 2.5rem; font-weight: 900; color: var(--secondary); line-height: 1.2 }
.metric-item .metric-label { font-size: .9rem; color: rgba(255,255,255,.65); margin-top: 8px }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px }
.btn-lg { padding: 18px 44px; font-size: 1.1rem; border-radius: 10px }
.cta-trust-item i, cta-trust-item .svg-icon { color: #FCD34D }
.banner-tag { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.15); padding: 5px 16px; border-radius: 100px; font-size: .78rem; margin-bottom: 20px }
.banner-visual .float-badge { position: absolute; background: rgba(255,255,255,.95); border-radius: 12px; padding: 12px 16px; box-shadow: 0 8px 32px rgba(0,0,0,.2); color: var(--dark); font-size: .78rem; font-weight: 700; display: flex; align-items: center; gap: 10px; animation: floatUp 3s ease-in-out infinite }
.banner-visual .float-badge.fb-1 { top: -15px; right: -10px; animation-delay: 0s }
.banner-visual .float-badge.fb-2 { bottom: -10px; left: -10px; animation-delay: 1.5s }
.banner-visual .float-badge .fb-icon { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1rem }
.banner-visual .float-badge.fb-1 .fb-icon { background: linear-gradient(135deg, #1A56DB, #60A5FA); color: #fff }
.banner-visual .float-badge .fb-val { font-size: .95rem; font-weight: 900 }
.banner-visual .float-badge .fb-label { font-size: .65rem; color: var(--gray); font-weight: 400 }
.banner-visual .float-badge.fb-2 .fb-icon { background: linear-gradient(135deg, #10B981, #34D399); color: #fff }