/* =============================================
   白菜论坛 · 翡翠田园风格
   有机现代主义 · 暖米白 × 翡翠绿 × 琥珀金
   ============================================= */

/* 基础重置 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    overflow-x: hidden;
    background: #F5F0E8;
    color: #2C3E2D;
    line-height: 1.6;
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #EDE8DE;
}
::-webkit-scrollbar-thumb {
    background: #A8C8A0;
    border-radius: 4px;
}

/* 选中文字 */
::selection {
    background: #2D8B4E;
    color: #F5F0E8;
}

/* 核心布局 — 居中 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section:nth-child(even) {
    background: #EDE8DE;
}

/* 装饰性背景纹理 — 微妙叶脉纹 */
.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(45, 139, 78, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(200, 163, 94, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(76, 175, 80, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

/* ===== 导航 ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(245, 240, 232, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(200, 163, 94, 0.2);
}

.site-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #2D8B4E, #C8A35E, transparent);
    opacity: 0.4;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.3rem;
    text-decoration: none;
    color: #2C3E2D;
    letter-spacing: 1px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: linear-gradient(135deg, #2D8B4E, #4CAF50);
    color: #fff;
    box-shadow: 0 4px 12px rgba(45, 139, 78, 0.25);
    position: relative;
    overflow: hidden;
}

.logo-icon::before {
    content: '🥬';
    font-size: 1.2rem;
}

.logo span {
    background: linear-gradient(135deg, #2D8B4E, #4CAF50);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.main-nav a {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: #4A5A4A;
    transition: 0.3s;
    position: relative;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #2D8B4E, #C8A35E);
    transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-radius: 2px;
}

.main-nav a:hover {
    color: #2D8B4E;
}

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

.nav-cta {
    padding: 10px 24px !important;
    border-radius: 50px !important;
    color: #fff !important;
    font-weight: 600 !important;
    background: linear-gradient(135deg, #2D8B4E, #4CAF50);
    box-shadow: 0 4px 16px rgba(45, 139, 78, 0.3);
    transition: 0.3s !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(45, 139, 78, 0.4) !important;
    color: #fff !important;
}

.menu-toggle {
    display: none;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: #2C3E2D;
    border-radius: 2px;
    transition: 0.3s;
}

/* ===== Hero ===== */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    background:
        radial-gradient(ellipse at 10% 30%, rgba(45, 139, 78, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 70%, rgba(200, 163, 94, 0.06) 0%, transparent 50%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #2D8B4E, #4CAF50, #C8A35E, #4CAF50, #2D8B4E);
    opacity: 0.3;
}

.hero-content {
    max-width: 680px;
    position: relative;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 20px;
    background: rgba(45, 139, 78, 0.1);
    color: #2D8B4E;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: 1px solid rgba(45, 139, 78, 0.15);
}

.hero h1 {
    font-size: 3.2rem;
    line-height: 1.15;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #1A2E1A;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, #2D8B4E, #4CAF50);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero p {
    font-size: 1.15rem;
    opacity: 0.7;
    max-width: 520px;
    margin-bottom: 36px;
    color: #4A5A4A;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}

.hero-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    border: 1px solid rgba(45, 139, 78, 0.1);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    font-size: 0.95rem;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #2D8B4E, #4CAF50);
    box-shadow: 0 4px 20px rgba(45, 139, 78, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(45, 139, 78, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid #2D8B4E;
    color: #2D8B4E;
}

.btn-outline:hover {
    background: rgba(45, 139, 78, 0.06);
    transform: translateY(-2px);
    border-color: #4CAF50;
}

/* ===== 标签/标题 ===== */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 14px;
    color: #C8A35E;
    text-transform: uppercase;
    position: relative;
    padding-left: 36px;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, #C8A35E, transparent);
    border-radius: 2px;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: #1A2E1A;
    line-height: 1.25;
}

.section-desc {
    max-width: 600px;
    opacity: 0.7;
    margin-bottom: 48px;
    color: #4A5A4A;
    font-size: 1.05rem;
    line-height: 1.7;
}

/* ===== 卡片网格 ===== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.category-card {
    border-radius: 16px;
    padding: 32px 28px;
    border: 1px solid rgba(200, 163, 94, 0.15);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(4px);
    transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #2D8B4E, #C8A35E);
    opacity: 0;
    transition: 0.4s;
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(45, 139, 78, 0.1);
    border-color: rgba(45, 139, 78, 0.2);
    background: rgba(255, 255, 255, 0.85);
}

.category-card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-size: 1.5rem;
    background: linear-gradient(135deg, rgba(45, 139, 78, 0.1), rgba(76, 175, 80, 0.05));
    color: #2D8B4E;
    transition: 0.3s;
}

.category-card:hover .card-icon {
    background: linear-gradient(135deg, rgba(45, 139, 78, 0.18), rgba(76, 175, 80, 0.1));
}

.category-card h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
    color: #1A2E1A;
}

.category-card p {
    font-size: 0.9rem;
    opacity: 0.65;
    line-height: 1.6;
    margin-bottom: 16px;
}

.card-link {
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    color: #2D8B4E;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: 0.3s;
}

.card-link::after {
    content: '→';
    transition: 0.3s;
}

.card-link:hover {
    color: #4CAF50;
    gap: 10px;
}

.card-link:hover::after {
    transform: translateX(4px);
}

/* ===== 特性块 ===== */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.feature-image {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}

.feature-image::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    box-shadow: inset 0 0 0 1px rgba(45, 139, 78, 0.08);
    z-index: 1;
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: 0.6s;
}

.feature-block:hover .feature-image img {
    transform: scale(1.02);
}

.feature-text h3 {
    font-size: 1.6rem;
    margin-bottom: 16px;
    color: #1A2E1A;
}

.feature-text > p {
    opacity: 0.7;
    margin-bottom: 24px;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: #3A4A3A;
}

.feature-list li::before {
    content: '✓';
    font-weight: 700;
    width: 24px;
    height: 24px;
    background: rgba(45, 139, 78, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: #2D8B4E;
    flex-shrink: 0;
}

/* ===== 数据条 ===== */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    text-align: center;
}

.stat-item {
    padding: 32px 24px;
    border-radius: 16px;
    border: 1px solid rgba(200, 163, 94, 0.12);
    background: rgba(255, 255, 255, 0.5);
    transition: 0.3s;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(45, 139, 78, 0.06);
}

.stat-number {
    font-size: 2.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, #2D8B4E, #4CAF50);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.55;
    margin-top: 8px;
    color: #4A5A4A;
}

/* ===== 内容墙 ===== */
.content-wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}

.content-wall-item {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(200, 163, 94, 0.12);
    background: rgba(255, 255, 255, 0.5);
    transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.content-wall-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(45, 139, 78, 0.1);
    border-color: rgba(45, 139, 78, 0.15);
}

.content-wall-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: 0.6s;
}

.content-wall-item:hover img {
    transform: scale(1.05);
}

.content-wall-body {
    padding: 24px;
}

.content-wall-body h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: #1A2E1A;
}

.content-wall-body p {
    font-size: 0.9rem;
    opacity: 0.65;
    line-height: 1.6;
}

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

.faq-item {
    border: 1px solid rgba(200, 163, 94, 0.12);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.4);
    transition: 0.3s;
}

.faq-item:hover {
    border-color: rgba(45, 139, 78, 0.2);
    background: rgba(255, 255, 255, 0.6);
}

.faq-item .faq-question {
    padding: 18px 24px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #1A2E1A;
    font-size: 1rem;
}

.faq-item .faq-question::after {
    content: '+';
    font-size: 1.3rem;
    color: #2D8B4E;
    transition: 0.3s;
    font-weight: 300;
}

.faq-item.open .faq-question::after {
    content: '−';
    transform: rotate(0deg);
}

.faq-item .faq-answer {
    padding: 0 24px 18px;
    display: none;
    opacity: 0.7;
    line-height: 1.7;
    color: #4A5A4A;
}

.faq-item.open .faq-answer {
    display: block;
    animation: fadeSlideIn 0.3s ease;
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 0.7;
        transform: translateY(0);
    }
}

/* ===== CTA横幅 ===== */
.cta-banner {
    padding: 64px 32px;
    text-align: center;
    border-radius: 20px;
    color: #fff;
    background: linear-gradient(135deg, #2D8B4E 0%, #3A9D5E 40%, #4CAF50 100%);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 70% 60%, rgba(200, 163, 94, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.cta-banner h2 {
    color: #fff;
    font-size: 2rem;
    margin-bottom: 12px;
    position: relative;
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 28px;
    font-size: 1.05rem;
    position: relative;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #2D8B4E;
    box-shadow: 0 4px 24px rgba(255, 255, 255, 0.3);
    position: relative;
}

.cta-banner .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 40px rgba(255, 255, 255, 0.4);
}

/* ===== 页脚 ===== */
.site-footer {
    padding: 64px 0 32px;
    background: #EDE8DE;
    border-top: 1px solid rgba(200, 163, 94, 0.12);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-brand p {
    opacity: 0.65;
    font-size: 0.9rem;
    line-height: 1.7;
    margin-top: 12px;
    max-width: 300px;
}

.footer-col h5 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
    color: #2D8B4E;
}

.footer-col ul {
    list-style: none;
}

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

.footer-col ul a {
    text-decoration: none;
    color: #4A5A4A;
    font-size: 0.9rem;
    transition: 0.3s;
    opacity: 0.75;
}

.footer-col ul a:hover {
    color: #2D8B4E;
    opacity: 1;
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(200, 163, 94, 0.15);
    margin-top: 48px;
    padding-top: 24px;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.55;
    color: #4A5A4A;
}

/* ===== 工具类 ===== */
.text-accent {
    color: #2D8B4E;
}

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

.seo-description {
    max-width: 600px;
    margin: 0 auto 48px;
    opacity: 0.7;
    color: #4A5A4A;
    line-height: 1.7;
}

.mt-0 {
    margin-top: 0;
}

.mb-0 {
    margin-bottom: 0;
}

/* ===== 额外装饰元素 ===== */
/* 翡翠圆点装饰 */
.deco-dots {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.deco-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #2D8B4E;
    opacity: 0.2;
}

.deco-dots span:nth-child(2) {
    opacity: 0.4;
    background: #C8A35E;
}

.deco-dots span:nth-child(3) {
    opacity: 0.6;
    background: #4CAF50;
}

/* 分割线装饰 */
.divider-leaf {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #2D8B4E, #C8A35E);
    border-radius: 4px;
    margin: 16px 0 24px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.6rem;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 60vh;
        padding-top: 80px;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .hero p {
        font-size: 1rem;
    }
    .feature-block {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .feature-block .feature-image {
        order: -1;
    }
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
    }
    .main-nav {
        display: none;
    }
    .menu-toggle {
        display: flex;
    }
    .main-nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: rgba(245, 240, 232, 0.98);
        backdrop-filter: blur(16px);
        padding: 24px 32px;
        gap: 16px;
        border-bottom: 1px solid rgba(200, 163, 94, 0.15);
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.06);
    }
    .main-nav.open a {
        font-size: 1rem;
        padding: 8px 0;
    }
    .section {
        padding: 64px 0;
    }
    .cards-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.7rem;
    }
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    .cards-grid,
    .content-wall,
    .stats-bar {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .section-title {
        font-size: 1.4rem;
    }
    .stat-number {
        font-size: 2rem;
    }
    .cta-banner {
        padding: 40px 20px;
    }
    .cta-banner h2 {
        font-size: 1.4rem;
    }
    .header-inner {
        height: 64px;
    }
    .logo {
        font-size: 1.1rem;
    }
    .logo-icon {
        width: 34px;
        height: 34px;
    }
}

/* ===== 动画增强 ===== */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 4px 20px rgba(45, 139, 78, 0.3); }
    50% { box-shadow: 0 8px 40px rgba(45, 139, 78, 0.5); }
}

.hero .btn-primary {
    animation: pulseGlow 3s ease-in-out infinite;
}

/* 卡片入场动画 */
.category-card,
.content-wall-item,
.stat-item {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.category-card:nth-child(1) { animation-delay: 0.05s; }
.category-card:nth-child(2) { animation-delay: 0.1s; }
.category-card:nth-child(3) { animation-delay: 0.15s; }
.category-card:nth-child(4) { animation-delay: 0.2s; }
.category-card:nth-child(5) { animation-delay: 0.25s; }
.category-card:nth-child(6) { animation-delay: 0.3s; }