/* ========== /assets/home/css/common.css - 方案A（蓝色为主）========== */

/* RESET & 全局变量 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0A2540;           /* 深色背景保持不变 */
    --primary-dark: #051a2c;
    --accent: #0077c0;            /* Logo 主蓝色 - 替换原来的橙色 */
    --accent-dark: #005a8c;       /* 蓝色加深 */
    --secondary: #3bb656;         /* Logo 绿色 - 次要强调色 */
    --red: #ee241e;               /* Logo 红色 - 注意仅占5% */
    --gray-light: #F8F9FA;
    --gray-mid: #E9ECEF;
    --gray-dark: #6C757D;
    --text-dark: #1A1A1A;
    --white: #FFFFFF;
    --shadow: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-hover: 0 20px 35px -12px rgba(0,0,0,0.15);
    --transition: all 0.25s ease;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.5;
    background: var(--white);
    scroll-behavior: smooth;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 容器 */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 40px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(0,119,192,0.3);
}

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,119,192,0.4);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

/* 次要按钮（绿色）用于特殊场景 */
.btn-secondary {
    background: var(--secondary);
    color: var(--white);
}

.btn-secondary:hover {
    background: #2d8f42;
    transform: translateY(-2px);
}

/* ========== 导航栏 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: transparent;
    transition: all 0.3s ease;
    z-index: 1000;
    padding: 24px 0;
}

.navbar.scrolled {
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    padding: 12px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

/* Logo */
.logo {
    display: inline-block;
    text-decoration: none;
    line-height: 1;
}

.logo img {
    height: 40px;
    width: auto;
    display: block;
    transition: var(--transition);
}

@media (min-width: 768px) {
    .logo img { height: 48px; }
}
@media (min-width: 1200px) {
    .logo img { height: 56px; }
}
.navbar.scrolled .logo img { height: 42px; }
@media (min-width: 1200px) {
    .navbar.scrolled .logo img { height: 48px; }
}

/* 右侧区域 */
.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* 导航链接基础样式 */
.navbar .container a {
    text-decoration: none;
}

/* 滚动前白色文字，滚动后深色文字 */
.navbar:not(.scrolled) .nav-menu > a,
.navbar:not(.scrolled) .dropdown > a {
    color: white !important;
}
.navbar.scrolled .nav-menu > a,
.navbar.scrolled .dropdown > a {
    color: var(--text-dark) !important;
}
.nav-menu > a:hover,
.dropdown > a:hover {
    color: var(--accent) !important;
}

/* Quote按钮 */
.nav-quote {
    background: var(--accent);
    color: var(--white) !important;
    padding: 8px 24px;
    border-radius: 40px;
}
.nav-quote:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    color: var(--white) !important;
}
.navbar:not(.scrolled) .nav-quote {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(4px);
}
.navbar:not(.scrolled) .nav-quote:hover {
    background: var(--accent);
}
.navbar.scrolled .nav-quote {
    background: var(--accent);
    color: var(--white) !important;  /* 确保白色文字 */
}

/* 搜索按钮 */
.search-btn {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    padding: 8px;
    transition: var(--transition);
}
.navbar:not(.scrolled) .search-btn { color: white; }
.navbar.scrolled .search-btn { color: var(--text-dark); }

/* 移动端菜单按钮 */
.menu-toggle {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 16px;
}
.navbar:not(.scrolled) .menu-toggle { color: white; }
.navbar.scrolled .menu-toggle { color: var(--text-dark); }
@media (min-width: 1200px) {
    .menu-toggle { display: none; }
}

/* 桌面导航容器 */
.nav-wrapper {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-menu {
    display: none;
    align-items: center;
    gap: 40px;
}
@media (min-width: 1200px) {
    .nav-menu {
        display: flex;
    }
}

/* 下拉菜单 */
.dropdown {
    position: relative;
}
.dropdown > a {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    transition: var(--transition);
}
.dropdown > a i {
    font-size: 12px;
    transition: var(--transition);
}
.dropdown:hover > a i {
    transform: rotate(180deg);
}
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 200px;
    border-radius: 12px;
    box-shadow: var(--shadow-hover);
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: var(--transition);
    z-index: 100;
    margin-top: 16px;
}
.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-menu a {
    display: block;
    padding: 10px 24px;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
    font-weight: 500;
}
.dropdown-menu a:hover {
    background: var(--gray-light);
    color: var(--accent);
    padding-left: 28px;
}

/* 搜索浮层 */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    z-index: 1001;
    padding: 30px 20px;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
    box-shadow: var(--shadow);
}
.search-overlay.active {
    transform: translateY(0);
}
.search-overlay .container {
    position: relative;
}
.search-overlay input {
    width: 100%;
    padding: 16px 56px;
    font-size: 18px;
    border: none;
    border-bottom: 2px solid var(--gray-mid);
    outline: none;
    font-family: inherit;
    background: transparent;
}
.search-overlay input:focus {
    border-bottom-color: var(--accent);
}
.search-overlay .fa-search {
    position: absolute;
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-dark);
}
.search-close {
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray-dark);
}

/* ========== 移动端菜单 ========== */
.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 85%;
    max-width: 380px;
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-hover);
    transition: left 0.3s ease;
    z-index: 1002;
    padding: 80px 24px 32px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
}
.mobile-menu.active {
    left: 0;
}
.mobile-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-mid);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.mobile-menu .mobile-submenu {
    padding-left: 20px;
    display: none;
}
.mobile-menu .mobile-submenu.active {
    display: block;
}
.mobile-menu .mobile-submenu a {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    padding: 10px 0;
    text-decoration: none;
    color: var(--gray-dark);
    font-size: 14px;
    transition: var(--transition);
}
.mobile-menu .mobile-submenu a i {
    width: 24px;
    text-align: center;
    font-size: 14px;
    color: var(--accent);
}
.mobile-menu .mobile-submenu a:hover {
    color: var(--accent);
    padding-left: 8px;
}
.mobile-menu .mobile-submenu a:hover i {
    color: var(--accent);
}
.mobile-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--primary);
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    z-index: 1001;
    display: none;
}
.overlay.active {
    display: block;
}

/* ========== 右下角按钮组 ========== */
.floating-quote {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--accent);
    color: var(--white);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-hover);
    z-index: 100;
    transition: var(--transition);
    border: none;
}
.floating-quote:hover {
    background: var(--accent-dark);
    transform: scale(1.08);
}
.floating-quote i {
    font-size: 24px;
}

.back-to-top {
    position: fixed;
    bottom: 96px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 99;
    box-shadow: var(--shadow-hover);
    border: none;
}
.back-to-top.active {
    opacity: 1;
    visibility: visible;
}
.back-to-top:hover {
    background: var(--accent);
    transform: translateY(-3px);
}
.back-to-top i {
    font-size: 22px;
}

@media (max-width: 768px) {
    .floating-quote {
        bottom: 20px;
        right: 20px;
        width: 48px;
        height: 48px;
    }
    .floating-quote i { font-size: 20px; }
    .back-to-top {
        bottom: 84px;
        right: 20px;
        width: 48px;
        height: 48px;
    }
    .back-to-top i { font-size: 18px; }
}

/* ========== 页脚 ========== */
.footer {
    background: var(--primary-dark);
    color: var(--gray-mid);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 48px;
    }
}

@media (min-width: 992px) {
    .footer-brand {
        padding-right: 60px;
    }
}
@media (min-width: 1200px) {
    .footer-brand {
        margin-right: 40px;
    }
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
}

.footer-col p, .footer-col a {
    color: var(--gray-mid);
    text-decoration: none;
    display: block;
    margin-bottom: 12px;
    transition: var(--transition);
    font-size: 14px;
}

.footer-col a:hover {
    color: var(--accent);
    transform: translateX(4px);
}

.footer-desc {
    line-height: 1.6;
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 24px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent);
    color: var(--white);
    transform: translateY(-3px);
}

/* 联系信息图标圆形底色 */
.footer-col-content p {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.footer-col-content p i {
    width: 32px;
    height: 32px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--accent);
    transition: var(--transition);
}

.footer-col-content p:hover i {
    background: var(--accent);
    color: var(--white);
}

/* 可折叠列样式 */
.footer-col-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-col-header h4 {
    margin-bottom: 0;
    line-height: 1.4;
}

.footer-toggle-btn {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-toggle-btn i {
    transition: transform 0.3s ease;
}
.footer-toggle-btn.active i {
    transform: rotate(180deg);
}

.footer-col-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 8px;
}

/* 桌面端 */
@media (min-width: 768px) {
    .footer-toggle-btn {
        display: none !important;
    }
    .footer-col-content {
        display: block !important;
        padding-top: 0;
    }
    .footer-col-content a,
    .footer-col-content p {
        margin-top: 12px;
    }
    .footer-col-content a:first-child,
    .footer-col-content p:first-child {
        margin-top: 16px;
    }
}

/* 移动端可折叠 */
@media (max-width: 767px) {
    .footer-toggle-btn {
        display: flex;
    }
    .footer-col-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        padding-top: 0;
    }
    .footer-col-content.active {
        max-height: 400px;
        padding-top: 12px;
    }
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}

/* ========== 模态框 ========== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}
.modal.active {
    display: flex;
}
.modal-content {
    background: var(--white);
    padding: 40px;
    border-radius: 24px;
    max-width: 500px;
    width: 90%;
    position: relative;
}
/* 新增：模态框按钮样式 */
.modal-content .btn-primary {
    width: 100%;
    justify-content: center;
}
.modal-close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--gray-dark);
}
.modal-close:hover {
    color: var(--accent);
}
.modal-content h3 {
    font-size: 26px;
    margin-bottom: 28px;
    color: var(--primary);
}
.form-group {
    margin-bottom: 20px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--gray-mid);
    border-radius: 12px;
    font-family: inherit;
    font-size: 15px;
    transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0,119,192,0.08);
}

/* ========== 工具类 ========== */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }

/* ========== 公共分页样式 ========== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 80px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    background: var(--white);
    color: var(--text-dark);
    border: 1px solid var(--gray-mid);
}

.pagination .active {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
    cursor: default;
}

.pagination a:not(.disabled):hover {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
    transform: translateY(-2px);
}

.pagination .prev,
.pagination .next {
    gap: 6px;
}

.pagination .disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.pagination .dots {
    border: none;
    background: transparent;
    cursor: default;
    pointer-events: none;
}

@media (max-width: 768px) {
    .pagination {
        gap: 6px;
        margin-top: 50px;
        margin-bottom: 30px;
    }
    .pagination a,
    .pagination span {
        min-width: 36px;
        height: 36px;
        padding: 0 10px;
        font-size: 13px;
    }
}

/* ========== 公共页面 Hero 区域样式 ========== */
.page-hero {
    position: relative;
    min-height: 380px;
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    color: var(--white);
    padding: 0 0 50px 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom,
    rgba(0,0,0,0) 0%,
    rgba(0,0,0,0) 25%,
    rgba(0,0,0,0.4) 55%,
    rgba(0,0,0,0.85) 100%);
    pointer-events: none;
}

.page-hero .container {
    position: relative;
    z-index: 2;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.page-hero-content {
    max-width: 600px;
}

.page-hero h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.page-hero p {
    font-size: 14px;
    opacity: 0.85;
    margin-bottom: 0;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

@media (min-width: 768px) {
    .page-hero {
        min-height: 420px;
        padding: 0 0 60px 0;
    }
    .page-hero h1 {
        font-size: 38px;
    }
    .page-hero p {
        font-size: 16px;
    }
}

@media (min-width: 1200px) {
    .page-hero {
        min-height: 460px;
        padding: 0 0 70px 0;
    }
    .page-hero h1 {
        font-size: 44px;
    }
    .page-hero p {
        font-size: 18px;
    }
}

@media (max-width: 576px) {
    .page-hero {
        min-height: 300px;
        padding: 0 0 30px 0;
    }
    .page-hero h1 {
        font-size: 28px;
    }
    .page-hero p {
        font-size: 13px;
    }
}