/* 
 * 兄妹乱伦 - 完全原创品牌静态网站 
 * 视觉风格：黄金杰尼龟 (奢华暗黑 + 耀眼流金)
 * 核心色调：流光炫金 (#ffbc00)、极光荧绿 (#00ff88)、深夜漆黑 (#0b0914)、晶体深紫 (#151226)
 */

:root {
    --primary: #ffbc00;       /* 流光炫金 */
    --primary-glow: rgba(255, 188, 0, 0.4);
    --secondary: #00ff88;     /* 极光荧绿 */
    --secondary-glow: rgba(0, 255, 136, 0.3);
    --dark-bg: #0b0914;       /* 深夜漆黑 */
    --dark-card: #151226;     /* 晶体深紫 */
    --text-light: #f5f5fa;    /* 月白 */
    --text-gray: #a09eb5;     /* 灰钛 */
    --border-color: rgba(255, 188, 0, 0.15);
    --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: all 0.25s cubic-bezier(0.23, 1, 0.32, 1);
}

body {
    background-color: var(--dark-bg);
    color: var(--text-light);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 霓虹发光与粒子质感 */
.neon-text-red {
    color: var(--primary);
    text-shadow: 0 0 8px var(--primary-glow), 0 0 20px rgba(255, 188, 0, 0.2);
}

.neon-text-green {
    color: var(--secondary);
    text-shadow: 0 0 8px var(--secondary-glow), 0 0 20px rgba(0, 255, 136, 0.15);
}

.neon-border-red {
    border: 1px solid var(--primary);
    box-shadow: 0 0 10px var(--primary-glow);
}

.neon-border-green {
    border: 1px solid var(--secondary);
    box-shadow: 0 0 10px var(--secondary-glow);
}

/* 容器布局 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
header {
    background-color: rgba(11, 9, 20, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 188, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 15px 0;
}

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

.logo-area {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), #9d00ff);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
    box-shadow: 0 0 15px var(--primary-glow);
}

.logo-text {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 25px;
    list-style: none;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 5px 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    box-shadow: 0 0 8px var(--primary);
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

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

/* 伪搜索栏 */
.gwnphe {
    padding: 15px 0;
    background: rgba(21, 18, 38, 0.5);
    border-bottom: 1px solid rgba(0, 255, 136, 0.05);
}

.search-bar {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    gap: 10px;
}

.lfgun {
    flex: 1;
    background: rgba(11, 9, 20, 0.8);
    border: 1px solid rgba(255, 188, 0, 0.2);
    border-radius: 30px;
    padding: 12px 25px;
    color: var(--text-light);
    outline: none;
    font-size: 14px;
}

.lfgun:focus {
    border-color: var(--primary);
    box-shadow: 0 0 12px var(--primary-glow);
}

.g6rz8 {
    background: linear-gradient(90deg, var(--primary), #9d00ff);
    border: none;
    color: white;
    padding: 12px 30px;
    border-radius: 30px;
    cursor: pointer;
    font-weight: bold;
    box-shadow: 0 0 15px var(--primary-glow);
}

.g6rz8:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px var(--primary);
}

/* 面包屑导航样式 */
.breadcrumb-section {
    background: rgba(11, 9, 20, 0.4);
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 188, 0, 0.05);
}

.breadcrumb {
    font-size: 13px;
    color: var(--text-gray);
}

.breadcrumb a {
    color: var(--text-gray);
    text-decoration: none;
}

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

.breadcrumb span {
    color: var(--primary);
    font-weight: bold;
}

/* MCP 智能推荐面板样式 */
.u1ieo-section {
    padding: 40px 0;
    background: rgba(21, 18, 38, 0.3);
    border-top: 1px solid rgba(0, 255, 136, 0.1);
}

.u1ieo {
    background: var(--dark-card);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.05);
}

.jkcazwe3 {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.p2pzp {
    background: rgba(0, 255, 136, 0.15);
    border: 1px solid var(--secondary);
    color: var(--secondary);
    font-size: 11px;
    font-weight: bold;
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 1px;
}

.uatcxr {
    font-size: 20px;
    font-weight: 800;
}

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

.mcp-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.mcp-btn {
    background: linear-gradient(90deg, var(--secondary), #00bfff);
    border: none;
    color: var(--dark-bg);
    padding: 10px 25px;
    border-radius: 30px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 0 15px var(--secondary-glow);
}

.mcp-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px var(--secondary);
}

.mcp-btn.btn-secondary {
    background: rgba(11, 9, 20, 0.8);
    border: 1px solid rgba(0, 255, 136, 0.3);
    color: var(--secondary);
    box-shadow: none;
}

.mcp-btn.btn-secondary:hover {
    background: var(--secondary);
    color: var(--dark-bg);
    box-shadow: 0 0 15px var(--secondary-glow);
}

.mcp-output {
    background: rgba(11, 9, 20, 0.6);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid rgba(255, 188, 0, 0.1);
    font-size: 14px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 英雄横幅 */
.hero-section {
    position: relative;
    padding: 100px 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(11, 9, 20, 0.4) 0%, rgba(11, 9, 20, 0.9) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero-tag {
    display: inline-block;
    background: rgba(255, 188, 0, 0.15);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 20px;
    font-weight: bold;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-desc {
    color: var(--text-gray);
    font-size: 18px;
    margin-bottom: 30px;
}

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

.btn-primary {
    background: linear-gradient(90deg, var(--primary), #9d00ff);
    color: white;
    padding: 14px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    box-shadow: 0 0 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 25px var(--primary);
}

.btn-secondary {
    background: rgba(21, 18, 38, 0.8);
    border: 1px solid rgba(0, 255, 136, 0.3);
    color: var(--secondary);
    padding: 14px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
}

.btn-secondary:hover {
    background: var(--secondary);
    color: var(--dark-bg);
    box-shadow: 0 0 20px var(--secondary-glow);
    transform: translateY(-3px);
}

/* 核心模块 */
.section-title {
    font-size: 32px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.card {
    background-color: var(--dark-card);
    border: 1px solid rgba(255, 188, 0, 0.05);
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}

.card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 188, 0, 0.3);
    box-shadow: 0 10px 30px rgba(255, 188, 0, 0.15);
}

.card-img-wrapper {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 视频播放鼠标悬停效果 */
.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 9, 20, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
}

.card-img-wrapper:hover .video-overlay {
    opacity: 1;
}

.play-btn-circle {
    width: 60px;
    height: 60px;
    background: rgba(255, 188, 0, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px var(--primary);
    transform: scale(0.8);
}

.card-img-wrapper:hover .play-btn-circle {
    transform: scale(1);
}

.play-icon {
    width: 0;
    height: 0;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 18px solid white;
    margin-left: 5px;
}

.card-content {
    padding: 25px;
}

.card-tag {
    font-size: 12px;
    font-weight: bold;
    color: var(--secondary);
    background-color: rgba(0, 255, 136, 0.1);
    padding: 4px 10px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 12px;
}

.card-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
}

.card-desc {
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: 15px;
    height: 44px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.seo-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.seo-tag {
    font-size: 11px;
    background-color: rgba(255, 188, 0, 0.05);
    border: 1px solid rgba(255, 188, 0, 0.1);
    color: var(--primary);
    padding: 2px 8px;
    border-radius: 4px;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-gray);
    border-top: 1px solid rgba(255, 188, 0, 0.05);
    padding-top: 12px;
}

/* 专家展示 */
.expert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.expert-card {
    background-color: var(--dark-card);
    border: 1px solid rgba(255, 188, 0, 0.05);
    border-radius: 16px;
    display: flex;
    overflow: hidden;
}

.expert-card:hover {
    border-color: rgba(255, 188, 0, 0.3);
    box-shadow: 0 10px 30px rgba(255, 188, 0, 0.15);
}

.expert-avatar-wrapper {
    width: 180px;
    position: relative;
}

.expert-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.expert-info {
    padding: 25px;
    flex: 1;
}

.expert-name {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 5px;
}

.expert-role {
    font-size: 12px;
    font-weight: bold;
    color: var(--secondary);
    background-color: rgba(0, 255, 136, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 12px;
}

.expert-bio {
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 15px;
    height: 60px;
    overflow: hidden;
}

.expert-meta {
    font-size: 12px;
    color: var(--text-gray);
    margin-bottom: 15px;
}

.expert-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.expert-btn {
    font-size: 12px;
    color: var(--dark-bg);
    background: var(--primary);
    padding: 6px 15px;
    border-radius: 20px;
    font-weight: bold;
    text-decoration: none;
}

.expert-btn:hover {
    background: white;
    box-shadow: 0 0 15px white;
}

/* FAQ 手风琴 */
.faq-container {
    max-width: 800px;
    margin: 0 auto 60px;
}

.faq-item {
    background-color: var(--dark-card);
    border: 1px solid rgba(255, 188, 0, 0.05);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question:hover {
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 20px;
    color: var(--text-gray);
    font-size: 14px;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 20px 20px;
    border-top: 1px solid rgba(255, 188, 0, 0.05);
}

/* 用户口碑 */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.testimonial-card {
    background-color: var(--dark-card);
    border: 1px solid rgba(255, 188, 0, 0.05);
    border-radius: 16px;
    padding: 30px;
}

.testimonial-text {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-user {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 2px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--primary);
    background-color: rgba(255, 188, 0, 0.05);
}

.user-name {
    font-weight: bold;
    font-size: 15px;
}

.user-title {
    font-size: 12px;
    color: var(--text-gray);
}

/* 合作 Logo 墙 */
.arpcdma {
    padding: 60px 0;
    background-color: rgba(11, 9, 20, 0.5);
    border-top: 1px solid rgba(255, 188, 0, 0.05);
}

.partner-logos {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.partner-logo {
    font-size: 16px;
    font-weight: bold;
    color: var(--text-gray);
    border: 1px dashed rgba(255, 188, 0, 0.15);
    padding: 10px 25px;
    border-radius: 8px;
}

.partner-logo:hover {
    color: var(--primary);
    border-color: var(--primary);
    text-shadow: var(--neon-gold);
}

/* 联系我们 */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
}

.contact-info h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 20px;
}

.contact-details p {
    margin-bottom: 15px;
    font-size: 15px;
    color: var(--text-gray);
}

.contact-details strong {
    color: var(--text-light);
}

.qr-container {
    display: flex;
    gap: 30px;
}

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

.qr-code {
    width: 140px;
    height: 140px;
    border: 1px solid rgba(255, 188, 0, 0.2);
    border-radius: 12px;
    padding: 8px;
    background-color: white;
    margin-bottom: 10px;
    box-shadow: var(--neon-gold);
}

.qr-label {
    font-size: 13px;
    font-weight: bold;
    color: var(--text-gray);
}

/* 页脚 */
footer {
    background-color: #06050a;
    border-top: 1px solid rgba(255, 188, 0, 0.1);
    padding: 50px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-col h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 20px;
}

.footer-col p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.8;
}

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

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

.footer-col ul li a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 14px;
}

.footer-col ul li a:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 188, 0, 0.05);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-gray);
}

.soqddzj5 {
    display: flex;
    gap: 12px;
}

.social-icon {
    width: 32px;
    height: 32px;
    background-color: rgba(255, 188, 0, 0.05);
    border: 1px solid rgba(255, 188, 0, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    color: var(--primary);
    text-decoration: none;
}

.social-icon:hover {
    background-color: var(--primary);
    color: var(--dark-bg);
    box-shadow: var(--neon-gold);
    transform: scale(1.1);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .expert-grid {
        grid-template-columns: 1fr;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }
    .nav-links {
        display: none; /* 移动端精简导航 */
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    .expert-card {
        flex-direction: column;
    }
    .expert-avatar-wrapper {
        width: 100%;
        height: 220px;
    }
}