/* ==========================================
   浩学网 - 全站统一样式
   ========================================== */
* { box-sizing: border-box; }

/* ========== 导航栏（三段式：左 Logo / 中菜单 / 右 CTA） ========== */
.hxw-nav {
    background: #fff;
    border-bottom: 1px solid #eaeef2;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.hxw-nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

/* 左：Logo */
.hxw-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    flex-shrink: 0;
}
.hxw-logo-icon { font-size: 24px; }
.hxw-logo-text {
    font-size: 20px;
    font-weight: 700;
    color: #1a3a5c;
    letter-spacing: 0.3px;
}

/* 中：菜单居中 */
.hxw-nav-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
    flex: 1;
}

.hxw-nav-menu a {
    display: inline-block;
    padding: 9px 14px;
    color: #4a5568;
    text-decoration: none;
    font-size: 15px;
    border-radius: 8px;
    transition: all 0.2s;
    white-space: nowrap;
    font-weight: 400;
}
.hxw-nav-menu a:hover { color: #c9a063; background: #faf8f3; }

/* 服务按钮（中菜单里高亮） */
.hxw-nav-menu a.hxw-svc-blue {
    color: #fff;
    background: linear-gradient(135deg, #2c7dc4, #1a5da0);
    padding: 9px 18px;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(44,125,196,0.25);
}
.hxw-nav-menu a.hxw-svc-blue:hover {
    background: linear-gradient(135deg, #1a5da0, #144a80);
    box-shadow: 0 4px 12px rgba(44,125,196,0.4);
    color: #fff;
}
.hxw-nav-menu a.hxw-svc-orange {
    color: #fff;
    background: linear-gradient(135deg, #c97a3d, #a56029);
    padding: 9px 18px;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(201,122,61,0.25);
}
.hxw-nav-menu a.hxw-svc-orange:hover {
    background: linear-gradient(135deg, #a56029, #8a4e20);
    box-shadow: 0 4px 12px rgba(201,122,61,0.4);
    color: #fff;
}

/* 右：CTA 免费咨询 */
.hxw-nav-cta-wrap {
    flex-shrink: 0;
}
.hxw-nav-menu a.hxw-nav-cta {
    display: inline-block;
    padding: 10px 22px;
    background: linear-gradient(135deg, #c9a063, #b8914f);
    color: #fff !important;
    border-radius: 22px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 3px 10px rgba(201,160,99,0.3);
    transition: all 0.25s;
    white-space: nowrap;
}
.hxw-nav-menu a.hxw-nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(201,160,99,0.5);
    color: #fff;
    background: linear-gradient(135deg, #b8914f, #a0803f);
}

/* ========== 栏目次级导航（服务页专用） ========== */
.hxw-nav-cats {
    background: #fafbfc;
    border-bottom: 1px solid #eaeef2;
}
.hxw-nav-cats-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 44px;
    display: flex;
    align-items: center;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}
.hxw-nav-cats-inner::-webkit-scrollbar { display: none; }
.hxw-nav-cats a {
    color: #4a5568;
    text-decoration: none;
    padding: 6px 14px;
    font-size: 14px;
    white-space: nowrap;
    border-radius: 15px;
    transition: all 0.2s;
}
.hxw-nav-cats a:hover { color: #c9a063; background: #f5f7fa; }
.hxw-nav-cats a.active { color: #c9a063; background: #faf6ed; font-weight: 600; }

/* ========== 通用容器 ========== */
.hxw-container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.hxw-section { padding: 60px 20px; }
.hxw-section-title {
    font-size: 28px;
    text-align: center;
    margin: 0 0 12px;
    color: #1a2332;
    font-weight: 700;
}
.hxw-section-sub {
    text-align: center;
    color: #8892a0;
    font-size: 15px;
    margin: 0 0 45px;
}

/* ========== 平板 ========== */
@media (max-width: 1000px) {
    .hxw-nav-inner { gap: 20px; padding: 0 16px; }
    .hxw-nav-menu { gap: 2px; }
    .hxw-nav-menu a { padding: 8px 10px; font-size: 14px; }
    .hxw-nav-menu a.hxw-svc-blue,
    .hxw-nav-menu a.hxw-svc-orange { padding: 8px 14px; font-size: 13px; }
    .hxw-nav-menu a.hxw-nav-cta { padding: 8px 16px; font-size: 13px; }
}

/* ========== 手机（≤768px） ========== */
@media (max-width: 768px) {
    .hxw-nav-inner {
        height: 56px;
        padding: 0 12px;
        gap: 8px;
        justify-content: space-between;
    }
    .hxw-logo-text { font-size: 17px; }
    .hxw-logo-icon { font-size: 20px; }

    /* 隐藏首页/资讯/关于 */
    .hxw-nav-menu li.hxw-nav-hide-mobile { display: none; }
    .hxw-nav-menu {
        justify-content: flex-end;
        gap: 4px;
        flex: initial;
    }
    .hxw-nav-menu a.hxw-svc-blue,
    .hxw-nav-menu a.hxw-svc-orange {
        padding: 7px 11px;
        font-size: 12px;
    }
    .hxw-nav-menu a.hxw-nav-cta {
        padding: 7px 13px;
        font-size: 12px;
    }

    .hxw-nav-cats-inner { padding: 0 12px; height: 40px; }
    .hxw-nav-cats a { padding: 5px 12px; font-size: 13px; }

    .hxw-section { padding: 45px 15px; }
    .hxw-section-title { font-size: 22px; }
    .hxw-section-sub { font-size: 14px; margin-bottom: 30px; }
}

/* ========== 超小屏 ========== */
@media (max-width: 400px) {
    .hxw-logo-text { font-size: 15px; }
    .hxw-logo-icon { font-size: 18px; }
    .hxw-nav-menu a.hxw-svc-blue,
    .hxw-nav-menu a.hxw-svc-orange { padding: 6px 9px; font-size: 11px; }
    .hxw-nav-menu a.hxw-nav-cta { padding: 6px 11px; font-size: 11px; }
}

/* ========== 页脚（响应式优化） ========== */
.hxw-footer {
    background: #1a2332;
    color: rgba(255,255,255,0.6);
    padding: 40px 20px 30px;
    font-size: 13px;
    line-height: 1.8;
}
.hxw-footer-inner {
    max-width: 1100px;
    margin: 0 auto;
}
.hxw-footer-brand {
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.hxw-footer-brand-title {
    font-size: 16px;
    color: #fff;
    font-weight: 600;
    margin-bottom: 6px;
}
.hxw-footer-brand-sub {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
}
.hxw-footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 4px 0;
    margin-bottom: 18px;
}
.hxw-footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    padding: 4px 12px;
    font-size: 13px;
    position: relative;
    transition: color 0.2s;
}
.hxw-footer-links a:hover { color: #c9a063; }
.hxw-footer-links a:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 12px;
    background: rgba(255,255,255,0.15);
}
.hxw-footer-bottom {
    text-align: center;
    font-size: 12px;
    color: rgba(255,255,255,0.4);
}
.hxw-footer-bottom a {
    color: rgba(255,255,255,0.5);
    text-decoration: none;
}
.hxw-footer-bottom a:hover { color: #c9a063; }

/* 手机端优化 */
@media (max-width: 640px) {
    .hxw-footer {
        padding: 35px 16px 100px; /* 底部留出 100px 避免被悬浮按钮遮挡 */
    }
    .hxw-footer-brand { margin-bottom: 18px; padding-bottom: 18px; }
    .hxw-footer-brand-title { font-size: 15px; }
    .hxw-footer-brand-sub { font-size: 11px; }

    /* 手机端：链接改为网格排列，不用竖线 */
    .hxw-footer-links {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        margin-bottom: 20px;
        padding: 0 10px;
    }
    .hxw-footer-links a {
        padding: 10px 8px;
        background: rgba(255,255,255,0.05);
        border-radius: 8px;
        text-align: center;
        font-size: 13px;
        color: rgba(255,255,255,0.8);
    }
    .hxw-footer-links a:not(:last-child)::after { display: none; }
    .hxw-footer-links a:hover { background: rgba(255,255,255,0.1); }
    .hxw-footer-links a:active { background: rgba(255,255,255,0.15); }
}
@media (max-width: 360px) {
    .hxw-footer-links { grid-template-columns: 1fr; }
}