/* 抖阴 植物网站 - 完全原创CSS */
:root {
    --primary-color: #2e7d32; /* 植物绿 */
    --secondary-color: #4caf50; /* 浅绿 */
    --accent-color: #81c784; /* 点缀绿 */
    --text-color: #333333;
    --light-text: #666666;
    --bg-color: #ffffff;
    --light-bg: #f5f9f5;
    --border-color: #e0e0e0;
    --font-family: 'Helvetica Neue', Helvetica, Arial, 'Microsoft YaHei', 'PingFang SC', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    font-size: 16px;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

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

.text-center {
    text-align: center;
}

.mb-4 {
    margin-bottom: 24px;
}

.mt-5 {
    margin-top: 40px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-align: center;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(46, 125, 50, 0.3);
}

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

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

/* Header */
.site-header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-list {
    display: flex;
    gap: 25px;
}

.nav-list a {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-list a:hover::after {
    width: 100%;
}

.search-box {
    display: flex;
}

.search-box input {
    padding: 8px 15px;
    border: 1px solid var(--border-color);
    border-radius: 20px 0 0 20px;
    outline: none;
    width: 200px;
}

.search-box button {
    padding: 8px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0 20px 20px 0;
    cursor: pointer;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 600px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    color: white;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.8), rgba(0,0,0,0.4));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    gap: 15px;
}

.hero-actions .btn-outline {
    border-color: white;
    color: white;
}

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

/* Section Header */
.section-header {
    margin-bottom: 50px;
}

.section-title {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.text-center .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

.section-desc {
    color: var(--light-text);
    font-size: 18px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.feature-card p {
    color: var(--light-text);
    margin-bottom: 20px;
}

.feature-link {
    font-weight: bold;
}

/* Video Grid */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.video-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.video-card:hover {
    transform: translateY(-5px);
}

.video-thumbnail {
    position: relative;
    cursor: pointer;
}

.video-thumbnail img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-thumbnail:hover .play-overlay {
    opacity: 1;
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.video-info {
    padding: 20px;
}

.video-title {
    font-size: 16px;
    margin-bottom: 10px;
    line-height: 1.4;
    height: 44px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    color: var(--light-text);
    font-size: 13px;
    margin-bottom: 15px;
}

.video-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    background: var(--light-bg);
    color: var(--primary-color);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
}

/* Experts Grid */
.experts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.expert-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.expert-img img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.expert-info {
    padding: 25px;
}

.expert-info h3 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

.expert-title {
    color: var(--accent-color);
    font-weight: bold;
    margin-bottom: 15px;
    font-size: 14px;
}

.expert-desc {
    color: var(--light-text);
    font-size: 14px;
    margin-bottom: 20px;
}

.expert-actions {
    display: flex;
    gap: 10px;
}

/* Row & Col for Office Section */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col-md-6 {
    width: 50%;
    padding: 0 15px;
}

.img-fluid {
    max-width: 100%;
    height: auto;
}

.rounded {
    border-radius: 12px;
}

.shadow {
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.store-details {
    margin-bottom: 30px;
}

.store-details li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.store-details svg {
    color: var(--primary-color);
    flex-shrink: 0;
    margin-top: 3px;
}

.entrance-buttons {
    display: flex;
    gap: 15px;
}

/* Reviews */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.review-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.reviewer-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    font-weight: bold;
}

.rating {
    color: #ffc107;
    letter-spacing: 2px;
}

.review-text {
    font-style: italic;
    color: var(--light-text);
    margin-bottom: 15px;
}

.review-meta {
    font-size: 12px;
    color: #999;
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    margin: 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fdfdfd;
    transition: background 0.3s;
}

.faq-question:hover {
    background: var(--light-bg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 20px;
    max-height: 500px;
    border-top: 1px solid var(--border-color);
}

.faq-item.active .toggle-icon {
    transform: rotate(45deg);
}

.toggle-icon {
    transition: transform 0.3s ease;
    font-size: 24px;
    color: var(--primary-color);
}

/* Inner Page Header */
.page-header {
    position: relative;
    height: 300px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    color: white;
    text-align: center;
}

.header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-title {
    font-size: 40px;
    margin-bottom: 10px;
}

.breadcrumbs {
    font-size: 14px;
}

.breadcrumbs a {
    color: white;
    text-decoration: underline;
}

/* Footer */
.site-footer {
    background-color: #1a1a1a;
    color: #e0e0e0;
    padding: 60px 0 20px;
}

.footer-top {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col {
    flex: 1;
    min-width: 200px;
}

.brand-col {
    flex: 2;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: bold;
    color: white;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 40px;
    filter: brightness(0) invert(1);
}

.footer-desc {
    margin-bottom: 20px;
    color: #bbb;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-btn {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 4px;
    background: #333;
    color: white;
    font-size: 12px;
}

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

.col-title {
    color: white;
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.col-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary-color);
}

.links-col ul li {
    margin-bottom: 10px;
}

.links-col a {
    color: #bbb;
}

.links-col a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.contact-info li {
    margin-bottom: 10px;
    color: #bbb;
}

.qrcode-col {
    display: flex;
    gap: 20px;
}

.qrcode-item {
    text-align: center;
}

.qrcode-item img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    margin-bottom: 10px;
    background: white;
    padding: 5px;
}

.qrcode-item span {
    display: block;
    font-size: 12px;
    color: #bbb;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: #888;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-links a {
    color: #888;
}

.footer-links a:hover {
    color: white;
}

.divider {
    margin: 0 10px;
    color: #555;
}

.update-time {
    color: var(--accent-color);
    margin-left: 15px;
}

/* Responsive */
@media (max-width: 992px) {
    .col-md-6 {
        width: 100%;
    }
    
    .col-md-6:first-child {
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: white;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        display: none;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 15px;
    }
    
    .search-container {
        display: none;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .footer-top {
        flex-direction: column;
    }
    
    .qrcode-col {
        justify-content: flex-start;
    }
}