/* 全局品牌规范色值 - 已扩充全部辅助/边框/过渡色变量 */
:root {
    --dark-black: rgb(68,84,106);
    --matte-gold: #B89C68;
    --seal-red: #ff0000;
    --white: #fff;
    /* 新增边框灰色系列 */
    --gray-border-light: #ddd;
    --gray-border-mid: #ccc;
    --gray-border-faint: #eee;
    --gray-bg-faint: #f5f5f5;
    --gray-bg-hover: #f7f3ee;
    --gray-bg-qr: #E1E6EB;
    --gray-text-mid: #444;
    --gray-text-light: #999;
    /* 新增hover过渡金色 */
    --gold-hover: #f2b749;
    --gold-bright: #ffa704;
    /* 基础过渡与阴影 */
    --transition-smooth: all 0.3s cubic-bezier(0.4,0,0.2,1);
    --soft-shadow: 0 2px 12px rgba(var(--dark-black),0.03);
    --drop-shadow: 0 8px 24px rgba(var(--dark-black),0.12);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    font-family: system-ui, -apple-system, "Microsoft Yahei", sans-serif;
}
body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}
a {
    text-decoration: none;
}
.container {
    width: 92%;
    max-width: 1280px;
    margin: 0 auto;
}
.page-content {
    margin-top: 82px;
}

/* 导航外层容器 */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 82px;
    background: var(--white);
    box-shadow: var(--soft-shadow);
    z-index: 9999;
}
.header-row {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 36px;
    flex-wrap: nowrap;
}

/* 左侧LOGO */
.logo-box {
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-char {
    font-size: 26px;
    font-weight: 700;
    color: var(--dark-black);
    letter-spacing: 0.5px;
}
.css-seal {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background-color: var(--seal-red);
    color: var(--white);
    font-family:'Segoe UI', Tahoma, Geneva, sans-serif;
    font-size: 21px;
}
.seal-line {
    display: block;
    line-height: 1;
}

/* PC一级导航项 */
.nav-item {
    font-size: 15px;
    font-weight: 400;
    color: var(--dark-black);
    padding: 8px 0;
    position: relative;
    transition: var(--transition-smooth);
    white-space: nowrap;
    flex-shrink: 0;
}
.nav-item::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--matte-gold);
    transition: var(--transition-smooth);
}
.nav-item.active {
    color: var(--matte-gold);
}
.nav-item.active::after,
.nav-item:hover::after {
    width: 100%;
}
.nav-item:hover {
    color: var(--matte-gold);
}

/* PC下拉父容器 */
.drop-parent-wrap {
    display: flex;
    align-items: center;
}
.drop-parent {
    font-size: 15px;
    font-weight: 400;
    color: var(--dark-black);
    padding: 8px 0;
    position: relative;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    transition: var(--transition-smooth);
}
.drop-parent::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--matte-gold);
    transition: var(--transition-smooth);
}
.drop-parent:hover {
    color: var(--matte-gold);
}
.drop-parent:hover::after {
    width: 100%;
}

.pc-nav-list {
    display: flex;
    align-items: center;
    gap: 38px;
    flex-wrap: nowrap;
}
.nav-drop-wrap {
    position: relative;
    flex-shrink: 0;
}
.drop-arrow {
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid var(--dark-black);
    transition: var(--transition-smooth);
}
.nav-drop-wrap:hover .drop-arrow {
    transform: rotate(180deg);
    border-top-color: var(--matte-gold);
}
.drop-menu {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    min-width: 220px;
    background: var(--white);
    box-shadow: var(--drop-shadow);
    border-radius: 6px;
    padding: 12px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.3s cubic-bezier(0.2,0,0.2,1);
    z-index: 999999;
}
.nav-drop-wrap:hover .drop-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.drop-item {
    display: block;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 400;
    color: var(--dark-black);
    white-space: nowrap;
    transition: var(--transition-smooth);
}
.drop-item:hover {
    background: var(--gray-bg-hover);
    color: var(--matte-gold);
    padding-left: 28px;
}

/* 头部右侧按钮区 */
.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}
.lang-switch {
    padding: 6px 11px;
    border: 1px solid var(--gray-border-light);
    border-radius: 2px;
    font-size: 14px;
    color: var(--dark-black);
    transition: var(--transition-smooth);
    white-space: nowrap;
    flex-shrink: 0;
    position: relative;
    z-index: 99;
}
.lang-switch:hover {
    border-color: var(--matte-gold);
    color: var(--matte-gold);
}
.gold-btn {
    padding: 9px 24px;
    background: var(--matte-gold);
    color: var(--white);
    border-radius: 2px;
    font-weight: 400;
    transition: var(--transition-smooth);
    white-space: nowrap;
    flex-shrink: 0;
}
.gold-btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    background-color: var(--gold-hover);
}

/* 汉堡按钮 */
.hamburger {
    display: none;
    width: 32px;
    height: 26px;
    position: relative;
    cursor: pointer;
    z-index: 9999;
}
.hamburger span {
    display: block;
    width: 100%;
    height: 2.4px;
    background: var(--dark-black);
    border-radius: 99px;
    position: absolute;
    left: 0;
    transition: var(--transition-smooth);
    transform-origin: center;
}
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 12px; }
.hamburger span:nth-child(3) { top: 24px; }
.hamburger.active span:nth-child(1) {
    top: 12px;
    transform: rotate(135deg);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    top: 12px;
    transform: rotate(-135deg);
}

/* 移动端侧边菜单外层 */
.mobile-menu-wrap {
    display: none !important;
    width: 100%;
    background: var(--white);
    border-top: 1px solid var(--gray-border-faint);
    position: absolute;
    top: 100%;
    left: 0;
    max-height: calc(100vh - 74px);
    overflow-y: auto;
    overflow-x: hidden;
}
.mobile-menu-wrap.show {
    display: block !important;
}
.mobile-inner {
    padding: 26px 0 40px 0;
}
.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 28px;
}
.mobile-item {
    font-size: 16px;
    font-weight: 400;
    color: var(--dark-black);
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-bg-faint);
    transition: var(--transition-smooth);
    white-space: nowrap;
}
.mobile-item.active {
    color: var(--matte-gold);
}
.mobile-item:hover {
    color: var(--matte-gold);
}
.mobile-action {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 16px;
}

/* 移动端二级下拉（三角 right:50px 保留） */
.mobile-drop-wrap {
    border-bottom: 1px solid var(--gray-bg-faint);
}
.mobile-drop-title {
    font-size: 16px;
    padding: 10px 0;
    color: var(--dark-black);
    display: block;
    cursor: pointer;
    width: 100%;
    position: relative;
    z-index: 10;
}
.mobile-drop-title::after {
    content: "▼";
    font-size: 12px;
    transition: transform 0.3s ease;
    position: absolute;
    right: 50px;
    top: 50%;
    transform: translateY(-50%);
}
.mobile-drop-wrap.open .mobile-drop-title::after {
    transform: translateY(-50%) rotate(180deg);
}
.mobile-drop-list {
    padding-left: 16px;
    display: none;
    flex-direction: column;
    gap: 8px;
    padding-bottom: 8px;
}
.mobile-drop-wrap.open .mobile-drop-list {
    display: flex;
}
.mobile-sub-item {
    font-size: 14px;
    color:rgba(var(--dark-black),0.8);
    padding: 6px 0;
    white-space: nowrap;
    transition: var(--transition-smooth);
}
.mobile-sub-item:hover {
    color: var(--matte-gold);
    padding-left: 6px;
}

/* 媒体查询 */
@media screen and (min-width: 1141px) {
    .header-row {
        flex-wrap: nowrap;
    }
    .pc-nav-list {
        margin-left: auto;
        margin-right: 10px;
        flex-wrap: nowrap;
    }
    .container {
        width: 98%;
        max-width: 1320px;
    }
    .nav-item, .nav-drop-wrap {
        flex-shrink: 0;
    }
}
@media screen and (max-width: 1140px) and (min-width: 993px) {
    .pc-nav-list {
        gap: 24px;
    }
    .nav-item, .drop-parent {
        font-size: 13.5px;
    }
    .header-row {
        gap: 20px;
        flex-wrap: nowrap;
    }
    .hamburger {
        display: none !important;
    }
    .mobile-menu-wrap {
        display: none !important;
    }
    .header-right {
        display: flex;
    }
    .drop-menu {
        min-width: 190px;
    }
    .drop-item {
        font-size: 13px;
        padding: 9px 20px;
    }
}
@media screen and (max-width: 992px) {
    .pc-nav-list, .header-right {
        display: none !important;
        visibility: hidden !important;
        height: 0 !important;
        overflow: hidden !important;
    }
    .hamburger {
        display: block !important;
    }
    .site-header {
        height: 74px;
    }
    .page-content {
        margin-top: 74px;
    }
    .logo-char {
        font-size: 22px;
    }
    .css-seal {
        width: 48px;
        height: 48px;
        font-size: 18px;
    }
    .drop-menu {
        display: none !important;
    }
    .mobile-menu-wrap {
        width: 100%;
        box-sizing: border-box;
        max-height: calc(100vh - 74px);
    }
}
@media screen and (max-width: 768px) {
    .site-header {
        height: 70px;
    }
    .page-content {
        margin-top: 70px !important;
    }
    .logo-char {
        font-size: 20px;
    }
    .css-seal {
        width: 44px;
        height: 44px;
        font-size: 16px;
    }
    .container {
        width: 94%;
    }
    .mobile-menu-wrap {
        padding: 20px 0;
        max-height: calc(100vh - 70px);
    }
    .mobile-action {
        margin-top: 20px;
    }
}
/* ==============================导航样式结束 ===========================*/



/* ==================footer样式 ============================*/
/* 全局隔离重置，避免和头部样式冲突 */
.site-footer * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", system-ui, sans-serif;
}
/* 浅雾灰蓝主页脚底色 */
.site-footer {
    background-color:var(--white);
    border-top: 1px solid var(--gray-border-mid);
    color: var(--dark-black);
    padding: 70px 0 0;
    font-size: 14px;
    line-height: 1.75;
}
.footer-container {
    max-width: 1260px;
    margin: 0 auto;
    padding: 0 20px;
}
/* 四栏弹性布局，均衡横向空隙 */
.footer-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 42px;
}
/* 栏目宽度权重分配，缓解左侧拥挤 */
.footer-col:nth-child(1) {
    flex: 1.4;
    min-width: 260px;
}
.footer-col:nth-child(2) {
    flex: 0.75;
    min-width: 180px;
}
.footer-col:nth-child(3) {
    flex: 0.9;
    min-width: 200px;
}
.footer-col:nth-child(4) {
    flex: 1;
    min-width: 220px;
}
.footer-col {
    margin-bottom: 40px;
}
/* 核心优势栏目右移留白 */
.footer-col--offset {
    padding-left: 24px;
}
/* 栏目标题+品牌金色分割线 */
.footer-title {
    font-size: 16px;
    color: var(--dark-black);
    margin-bottom: 20px;
    font-weight: 500;
    padding-bottom: 10px;
    position: relative;
}
.footer-title::after {
    content: "";
    width: 32px;
    height: 2px;
    background: var(--matte-gold);
    position: absolute;
    left: 0;
    bottom: 0;
}
/* 品牌简介文本 */
.footer-desc p {
    color: var(--dark-black);
    line-height: 1.8;
    max-width: 360px;
}
/* 核心优势列表 清除圆点 */
.footer-feature {
    list-style: none !important;
}
.footer-feature li {
    margin-bottom: 10px;
    line-height: 1.7;
}
/* 优势项超链接样式 */
.footer-feature li a {
    color: var(--dark-black);
    text-decoration: none;
    transition: color 0.3s ease;
}
.footer-feature li a:hover {
    color: var(--gold-hover);
}
/* 联系方式列表 */
.footer-contact {
    list-style: none;
}
.footer-contact li {
    margin-bottom: 9px;
    color: var(--dark-black);
}
/* 公众号二维码区域 */
.footer-social {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.footer-qr {
    display: flex;
    align-items: center;
    gap: 12px;
}
.qr-box {
    width: 80px;
    height: 80px;
    border-radius: 4px;
    overflow: hidden;
    background: var(--gray-bg-qr);
}
.footer-qr img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.footer-qr span {
    font-size: 12px;
    color: var(--seal-red);
}
/* 功能按钮 适配浅底色 */
.footer-btn {
    display: inline-block;
    padding: 9px 16px;
    font-size: 13px;
    color: var(--white);
    background: var(--matte-gold);
    border: 1px solid var(--matte-gold);
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
    width: 100%;
    text-align: left;
}
.footer-btn:hover {
    background: var(--gold-hover);
    border-color: var(--gold-hover);
    color: var(--white);
}
/* 版权分割栏 配套深一级雾蓝灰 */
.footer-copyright {
    background-color: var(--matte-gold);
    padding: 22px 0;
    margin-top: 30px;
    font-size: 12px;
    color: var(--gray-text-mid);
}
/* 版权整体右对齐 */
.copyright-container {
    max-width: 1260px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end !important;
    text-align: right;
}
.copyright-container > p,
.copyright-links {
    margin-left: auto !important;
}
.copyright-links a {
    color: var(--gray-text-mid);
    text-decoration: none;
    margin-left: 16px;
    transition: color 0.3s;
}
.copyright-links a:hover {
    color: var(--gold-bright);
}
/* 移动端单列适配 */
@media screen and (max-width: 768px) {
    .site-footer {
        padding-top: 50px;
    }
    .footer-row {
        flex-direction: column;
        gap: 40px;
    }
    .footer-col:nth-child(1),
    .footer-col:nth-child(2),
    .footer-col:nth-child(3),
    .footer-col:nth-child(4) {
        flex: 1;
        min-width: unset;
    }
    /* 手机端取消核心优势右移内边距 */
    .footer-col--offset {
        padding-left: 0;
    }
    .footer-desc p {
        max-width: unset;
    }
    /* 移动端版权恢复居中 */
    .copyright-container {
        justify-content: center !important;
        text-align: center;
    }
    .copyright-container > p,
    .copyright-links {
        margin-left: unset !important;
    }
    .copyright-links {
        margin-top: 8px;
    }
    .copyright-links a {
        margin: 0 8px;
    }
}


/* 咨询弹窗全局样式 */
.consult-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99999;
}
.modal-mask {
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.65);
    backdrop-filter: blur(2px);
}
.modal-box {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 620px;
    max-width: 92%;
    background: var(--white);
    border-radius: 16px;
    padding: 40px 32px;
    animation: modalFadeIn 0.3s ease;
}
.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 32px;
    color: var(--gray-text-light);
    cursor: pointer;
    transition: var(--transition-smooth);
}
.modal-close:hover {
    color: var(--matte-gold);
}
.modal-title {
    font-size: 24px;
    color: var(--matte-gold);
    margin-bottom: 24px;
    text-align: center;
}
/* 弹窗淡入动画 */
@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -45%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}
/* 移动端弹窗适配 */
@media screen and (max-width:767px) {
    .modal-box {
        padding: 30px 20px;
    }
    .modal-title {
        font-size: 20px;
    }
}