/**
 * Wenzhou Ruisu - Main Stylesheet
 * Цветовая схема: #65C097 (основной), #063190 (дополнительный)
 */

/* ==================== ГЛОБАЛЬНЫЕ ПЕРЕМЕННЫЕ ==================== */
:root {
    /* Цвета */
    --primary-color: #65C097;        /* Основной цвет (мятный зеленый) */
    --secondary-color: #063190;       /* Дополнительный цвет (темно-синий) */
    --text-dark: #333333;
    --text-gray: #666666;
    --text-light: #999999;
    --border-color: #E5E5E5;
    --bg-light: #F8F9FA;
    --bg-white: #FFFFFF;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    
    /* Типография */
    --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Отступы */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    
    /* Радиус скругления */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Переходы */
    --transition: all 0.3s ease;
}

/* ==================== СБРОС И БАЗОВЫЕ СТИЛИ ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height-base);
    color: var(--text-dark);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-color);
}

ul, ol {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ==================== КОНТЕЙНЕР ==================== */
.container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-wide {
    max-width: 1800px;
}

.container-narrow {
    max-width: 1200px;
}

/* ==================== ЗАГОЛОВКИ ==================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

/* ==================== ШАПКА САЙТА ==================== */
.site-header {
    background-color: var(--bg-white);
    box-shadow: 0 2px 10px var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

.site-header.scrolled {
    box-shadow: 0 4px 20px var(--shadow-hover);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.navbar-brand .logo {
    height: 50px;
    width: auto;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.navbar-menu a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.navbar-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.navbar-menu a:hover::after,
.navbar-menu a.active::after {
    width: 100%;
}

.navbar-menu a.active {
    color: var(--primary-color);
}

/* 导航下拉菜单 */
.nav-item-dropdown {
    position: relative;
}

.nav-item-dropdown > a {
    display: flex;
    align-items: center;
    gap: 4px;
}

.dropdown-arrow {
    transition: transform 0.3s ease;
}

.nav-item-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 260px;
    background: var(--bg-white);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    margin-top: var(--spacing-xs);
}

.nav-item-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    color: var(--text-dark);
    font-size: 0.9375rem;
    transition: var(--transition);
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
    padding-left: 24px;
}

.dropdown-menu a::after {
    display: none;
}

.category-count {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-left: var(--spacing-xs);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-xs) var(--spacing-sm);
}

.dropdown-menu .view-all {
    color: var(--primary-color);
    font-weight: 600;
}

.dropdown-menu .view-all:hover {
    color: var(--secondary-color);
}

/* Переключатель языка */
.language-switcher {
    display: flex;
    gap: var(--spacing-xs);
    margin-left: var(--spacing-md);
}

.lang-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-gray);
    transition: var(--transition);
}

.lang-btn.active,
.lang-btn:hover {
    background-color: var(--primary-color);
    color: var(--bg-white);
    border-color: var(--primary-color);
}

/* Мобильное меню */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: var(--transition);
}

/* ==================== ОСНОВНОЙ КОНТЕНТ ==================== */
.main-content {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
}

/* ==================== СЕКЦИИ ==================== */
.section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.section-title h2 {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-sm);
}

.section-title p {
    font-size: 1.125rem;
    color: var(--text-gray);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    margin: var(--spacing-md) auto 0;
}

/* ==================== КНОПКИ ==================== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--bg-white);
}

.btn-primary:hover {
    background-color: #4FA881;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(101, 192, 151, 0.3);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--bg-white);
}

.btn-secondary:hover {
    background-color: #052574;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(6, 49, 144, 0.3);
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background-color: transparent;
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--bg-white);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* ==================== КАРТОЧКИ ==================== */
.card {
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 10px var(--shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px var(--shadow-hover);
}

.card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.card-content {
    padding: var(--spacing-md);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.card-description {
    color: var(--text-gray);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.card-footer {
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

/* ==================== СЕТКА ==================== */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ==================== ПОДВАЛ САЙТА ==================== */
.site-footer {
    background-color: var(--text-dark);
    color: var(--bg-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xxl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    color: var(--bg-white);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-section p {
    color: var(--text-light);
    line-height: 1.8;
}

.footer-logo {
    margin-top: var(--spacing-md);
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-light);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: var(--spacing-xs);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.footer-contact svg {
    flex-shrink: 0;
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: calc(var(--spacing-xs) * -1);
    border: none;
    padding: 0;
    border-top: none !important;
}

/* 确保社交媒体标题下方没有额外间距或边框 */
.footer-section:last-child {
    border-top: none;
    padding-top: 0;
}

.footer-section:last-child h3 {
    margin-bottom: var(--spacing-md);
    border-bottom: none;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--bg-white);
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    font-size: 0.875rem;
}

.footer-credits {
    margin-top: var(--spacing-xs);
}

/* ==================== КНОПКА "НАВЕРХ" ==================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px var(--shadow);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

/* ==================== 漂浮在线客服按钮 ==================== */
.floating-contact {
    position: fixed;
    right: 30px;
    bottom: 100px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 998;
}

.contact-btn {
    position: relative;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-btn:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    transform: scale(1.05);
}

.contact-btn svg {
    flex-shrink: 0;
    transition: var(--transition);
}

.contact-label {
    display: none;
}

/* Telegram 按钮 */
.contact-btn.telegram {
    background: linear-gradient(135deg, #2AABEE 0%, #229ED9 100%);
}

.contact-btn.telegram:hover {
    background: linear-gradient(135deg, #229ED9 0%, #1E88C7 100%);
}

/* WhatsApp 按钮 */
.contact-btn.whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #20BA5A 100%);
}

.contact-btn.whatsapp:hover {
    background: linear-gradient(135deg, #20BA5A 0%, #1DA851 100%);
}

/* Phone 按钮 */
.contact-btn.phone {
    background: linear-gradient(135deg, #FF6B6B 0%, #EE5A52 100%);
}

.contact-btn.phone:hover {
    background: linear-gradient(135deg, #EE5A52 0%, #E04949 100%);
}

/* Email 按钮 */
.contact-btn.email {
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
}

.contact-btn.email:hover {
    background: linear-gradient(135deg, #357ABD 0%, #2868A8 100%);
}

/* ==================== УТИЛИТЫ ==================== */
.text-center {
    text-align: center;
}

.text-primary {
    color: var(--primary-color);
}

.text-secondary {
    color: var(--secondary-color);
}

.bg-light {
    background-color: var(--bg-light);
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.py-1 { padding-top: var(--spacing-xs); padding-bottom: var(--spacing-xs); }
.py-2 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-3 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-4 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }