/* ============================================================
 * by 诗航软件-凯哥 2026.6.16
 * ============================================================ */

/* ============================================================
 * header-footer.css - 统一导航栏与底部样式
 * ============================================================ */

/* ========== HEADER ========== */
.site-header {
    background: linear-gradient(135deg, #1a56db 0%, #1d4ed8 100%);
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    height: 68px;
    gap: 16px;
}

.site-brand {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.site-brand img {
    height: 36px;
    width: auto;
    display: block;
}

.site-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.site-nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 4px;
}

.site-nav-list > li {
    position: relative;
}

.site-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: rgba(255, 255, 255, 0.95);
    text-decoration: none;
    padding: 9px 15px;
    border-radius: 20px;
    font-size: 1rem;
    font-weight: 500;
    white-space: nowrap;
    transition: background-color 0.25s ease, color 0.25s ease;
}

.site-nav-link:hover,
.site-nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.has-submenu > .submenu-trigger {
    display: flex;
    align-items: center;
}

.has-submenu > .submenu-trigger > .site-nav-link::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    margin-left: 4px;
    transition: transform 0.25s ease;
}

.has-submenu:hover > .submenu-trigger > .site-nav-link::after,
.has-submenu.open > .submenu-trigger > .site-nav-link::after {
    transform: rotate(180deg);
}

.submenu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px 8px;
    margin-left: 4px;
    color: currentColor;
    transition: transform 0.25s ease;
}

.submenu-toggle::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
}

.has-submenu.open > .submenu-trigger > .submenu-toggle::after {
    transform: rotate(180deg);
}

.submenu-panel {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 160px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
    padding: 8px;
    list-style: none;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    z-index: 1100;
}

.submenu-panel::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    background: #fff;
    border-radius: 2px;
}

.submenu-panel li {
    display: block;
}

.submenu-panel a {
    display: block;
    color: #1a56db;
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 0.95rem;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 0.2s ease;
}

.submenu-panel a:hover {
    background-color: #e0ebff;
    color: #1a56db;
}

.has-submenu:hover .submenu-panel,
.has-submenu.open .submenu-panel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%);
}

.has-submenu:hover > .submenu-trigger > .site-nav-link::after,
.has-submenu.open > .submenu-trigger > .site-nav-link::after {
    transform: rotate(180deg);
}

.site-header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.site-phone {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    padding: 6px 10px;
    white-space: nowrap;
    border-radius: 20px;
    transition: background-color 0.25s ease;
}

.site-phone:hover {
    background: rgba(255, 255, 255, 0.15);
}

.site-phone svg {
    flex-shrink: 0;
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: #fff;
    cursor: pointer;
    padding: 0;
    transition: background-color 0.25s ease, transform 0.25s ease;
}

.icon-btn:hover {
    background: #fff;
    color: #1a56db;
}

.icon-btn svg {
    display: block;
}

.search-bar {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    background: rgba(255, 255, 255, 0.1);
}

.search-bar.active {
    max-height: 120px;
}

.search-form {
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 900px;
    margin: 0 auto;
    padding: 14px 30px;
}

.search-form input {
    flex: 1;
    min-width: 0;
    padding: 11px 16px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    font-size: 1rem;
    outline: none;
    transition: box-shadow 0.25s ease;
}

.search-form input:focus {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.25);
}

.search-form input::placeholder {
    color: #94a3b8;
}

.search-submit {
    flex-shrink: 0;
    padding: 10px 26px;
    background: #fff;
    color: #1a56db;
    border: none;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: transform 0.25s ease;
}

.search-submit:hover {
    transform: translateY(-1px);
}

.menu-toggle {
    display: none;
}

/* ========== Tablet Navigation ========== */
@media (max-width: 1024px) {
    .site-header .container {
        gap: 8px;
    }

    .site-nav-link {
        padding: 7px 8px;
        font-size: 0.85rem;
        gap: 2px;
    }

    .site-phone {
        font-size: 0.8rem;
        padding: 5px 6px;
        gap: 2px;
    }

    .site-phone span {
        display: none;
    }

    .icon-btn {
        width: 36px;
        height: 36px;
    }
}

/* ========== Mobile Navigation ========== */
@media (max-width: 950px) {
    .site-header .container {
        height: 60px;
    }

    .site-brand img {
        height: 32px;
    }

    .site-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease;
        z-index: 1099;
    }

    .site-nav.active {
        max-height: none;
        overflow: visible;
    }

    .site-nav-list {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        padding: 0 14px 10px;
        gap: 2px;
    }

    .site-nav-list > li {
        width: 100%;
    }

    .site-nav-link {
        width: 100%;
        color: #1a56db;
        padding: 14px 16px;
        border-radius: 8px;
        font-size: 1.05rem;
        justify-content: flex-start;
        background: transparent;
    }

    .site-nav-link:hover,
    .site-nav-link.active {
        background-color: #e0ebff;
        color: #1a56db;
    }

    .has-submenu > .submenu-trigger {
        display: flex;
        align-items: center;
        width: 100%;
    }

    .has-submenu > .submenu-trigger > .site-nav-link {
        flex: 1;
    }

    .has-submenu > .submenu-trigger > .site-nav-link::after {
        display: none;
    }

    .has-submenu::after {
        display: none;
    }

    .submenu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 8px 12px;
        margin-left: 4px;
        border-radius: 6px;
        color: #1a56db;
    }

    .has-submenu.open > .submenu-trigger > .submenu-toggle::after {
        transform: rotate(180deg);
    }

    .submenu-panel {
        position: static;
        transform: none;
        left: auto;
        right: auto;
        top: auto;
        min-width: 0;
        box-shadow: none;
        background: #f1f5f9;
        border-radius: 8px;
        padding: 4px;
        margin: 4px 0;
        display: none;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .submenu-panel::before {
        display: none;
    }

    .submenu-panel li {
        display: block;
    }

    .submenu-panel a {
        text-align: left;
        padding: 12px 16px;
        font-size: 1rem;
        color: #1a56db;
    }

    .has-submenu.open .submenu-panel {
        display: block;
        transform: none;
        left: auto;
        right: auto;
        top: auto;
    }

    .site-phone span {
        display: none;
    }

    .menu-toggle {
        display: inline-flex;
    }
}

@media (max-width: 576px) {
    .site-header .container {
        height: 56px;
        padding: 0 16px;
    }

    .container {
        padding: 0 16px;
    }

    .site-brand img {
        height: 28px;
    }

    .icon-btn {
        width: 36px;
        height: 36px;
    }

    .search-form {
        padding: 12px 16px;
        gap: 8px;
    }

    .search-submit {
        padding: 9px 18px;
        font-size: 0.9rem;
    }
}

/* ========== FOOTER ========== */
.site-footer {
    background: #0f2862;
    color: #cbd5e1;
    padding: 60px 0 0;
    margin-top: 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-section h3 {
    color: #fff;
    font-size: 1.15rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: #1a56db;
}

.footer-section p {
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 10px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: #cbd5e1;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    text-decoration: none;
}

.footer-links a:hover {
    color: #fff;
    padding-left: 5px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
    list-style: none;
    padding: 0;
}

.contact-info li {
    font-size: 0.95rem;
}

.qr-code-section {
    text-align: center;
    padding: 30px 0 20px;
    margin-top: 10px;
}

.qr-code-section img {
    width: 100px;
    height: 100px;
    margin: 0 auto 10px;
    border-radius: 8px;
    display: block;
}

.qr-code-section p {
    color: #cbd5e1;
    font-size: 0.95rem;
    margin: 0;
}

.contact-section {
    position: relative;
}

.qr-code-box {
    text-align: center;
    margin: 15px 0;
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    display: inline-block;
}

.qr-code-box img {
    width: 100px;
    height: 100px;
    display: block;
    margin: 0 auto;
    border-radius: 4px;
}

.qr-code-box p {
    font-size: 0.85rem;
    color: #cbd5e1;
    margin: 6px 0 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 14px 0;
    text-align: center;
    font-size: 0.78rem;
    line-height: 1.5;
    overflow: hidden;
}

.footer-bottom-inner {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: center;
    gap: 12px;
    white-space: nowrap;
    width: max-content;
    max-width: 100%;
    margin: 0 auto;
}

.footer-bottom-inner span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
    white-space: nowrap;
}

.footer-bottom-inner a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.footer-bottom-inner a:hover {
    color: #fff;
}

.footer-bottom-inner img {
    vertical-align: middle;
    height: 12px;
    width: auto;
}

.footer-bottom .police-icon {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .footer-bottom {
        padding: 10px 12px;
        font-size: 0.72rem;
    }
    .footer-bottom-inner {
        flex-wrap: wrap;
        width: 100%;
        gap: 4px;
    }
}

@media (max-width: 900px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 576px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .site-footer {
        padding: 40px 0 0;
    }
}