/* ===== 全站基础样式 - 网络传闻风险提示站 ===== */
/* CSS前缀：b2s01k01n03-vector- */

:root {
    --b2s01k01n03-vector-primary: #1e3c72;
    --b2s01k01n03-vector-secondary: #2a5298;
    --b2s01k01n03-vector-accent: #e8491d;
    --b2s01k01n03-vector-dark: #1a1a2e;
    --b2s01k01n03-vector-light: #f8f9fa;
    --b2s01k01n03-vector-gray: #6c757d;
    --b2s01k01n03-vector-border: #dee2e6;
    --b2s01k01n03-vector-success: #28a745;
    --b2s01k01n03-vector-warning: #ffc107;
    --b2s01k01n03-vector-radius: 12px;
    --b2s01k01n03-vector-shadow: 0 4px 16px rgba(30,60,114,0.08);
    --b2s01k01n03-vector-font: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--b2s01k01n03-vector-font);
    color: var(--b2s01k01n03-vector-dark);
    background: var(--b2s01k01n03-vector-light);
    line-height: 1.8;
}

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

a {
    color: var(--b2s01k01n03-vector-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--b2s01k01n03-vector-accent);
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.4;
    margin-bottom: 0.5em;
    color: var(--b2s01k01n03-vector-dark);
}

/* ===== 容器 ===== */
.b2s01k01n03-vector-container-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 头部导航 ===== */
.b2s01k01n03-vector-header {
    background: #fff;
    border-bottom: 1px solid var(--b2s01k01n03-vector-border);
    padding: 12px 0;
}

.b2s01k01n03-vector-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.b2s01k01n03-vector-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.b2s01k01n03-vector-logo img {
    width: 140px;
    height: 42px;
}

.b2s01k01n03-vector-nav-list {
    display: flex;
    list-style: none;
    gap: 0;
}

.b2s01k01n03-vector-nav-item {
    position: relative;
}

.b2s01k01n03-vector-link-element {
    display: block;
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--b2s01k01n03-vector-dark);
    transition: all 0.3s ease;
    border-radius: 6px;
}

.b2s01k01n03-vector-link-element:hover,
.b2s01k01n03-vector-link-element.active {
    color: var(--b2s01k01n03-vector-primary);
    background: rgba(30, 60, 114, 0.05);
}

.b2s01k01n03-vector-mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    color: var(--b2s01k01n03-vector-dark);
}

/* ===== Hero Banner ===== */
.b2s01k01n03-vector-hero {
    background: linear-gradient(135deg, var(--b2s01k01n03-vector-primary), var(--b2s01k01n03-vector-secondary));
    color: #fff;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.b2s01k01n03-vector-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/hero-banner.webp') center/cover no-repeat;
    opacity: 0.15;
}

.b2s01k01n03-vector-hero-content {
    position: relative;
    z-index: 1;
}

.b2s01k01n03-vector-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #fff;
}

.b2s01k01n03-vector-hero p {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.b2s01k01n03-vector-cta-btn {
    display: inline-block;
    padding: 14px 36px;
    background: var(--b2s01k01n03-vector-accent);
    color: #fff;
    border-radius: var(--b2s01k01n03-vector-radius);
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.b2s01k01n03-vector-cta-btn:hover {
    background: #c0392b;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 73, 29, 0.3);
}

.b2s01k01n03-vector-cta-btn-outline {
    display: inline-block;
    padding: 14px 36px;
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
    border-radius: var(--b2s01k01n03-vector-radius);
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-left: 15px;
}

.b2s01k01n03-vector-cta-btn-outline:hover {
    background: #fff;
    color: var(--b2s01k01n03-vector-primary);
}

/* ===== 区块通用 ===== */
.b2s01k01n03-vector-section {
    padding: 60px 0;
}

.b2s01k01n03-vector-section-alt {
    background: #fff;
}

.b2s01k01n03-vector-section-title {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--b2s01k01n03-vector-dark);
}

.b2s01k01n03-vector-section-desc {
    text-align: center;
    color: var(--b2s01k01n03-vector-gray);
    max-width: 600px;
    margin: 0 auto 40px;
    font-size: 1rem;
}

/* ===== 卡片网格 ===== */
.b2s01k01n03-vector-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.b2s01k01n03-vector-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.b2s01k01n03-vector-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.b2s01k01n03-vector-card {
    background: #fff;
    border-radius: var(--b2s01k01n03-vector-radius);
    box-shadow: var(--b2s01k01n03-vector-shadow);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--b2s01k01n03-vector-border);
}

.b2s01k01n03-vector-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(30, 60, 114, 0.12);
}

.b2s01k01n03-vector-card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.b2s01k01n03-vector-card-body {
    padding: 20px;
}

.b2s01k01n03-vector-card-title {
    font-size: 1.1rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.b2s01k01n03-vector-card-text {
    color: var(--b2s01k01n03-vector-gray);
    font-size: 0.9rem;
    line-height: 1.7;
}

.b2s01k01n03-vector-card-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--b2s01k01n03-vector-gray);
}

/* ===== 视频区 ===== */
.b2s01k01n03-vector-video-section {
    background: var(--b2s01k01n03-vector-dark);
    padding: 60px 0;
}

.b2s01k01n03-vector-video-wrapper {
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--b2s01k01n03-vector-radius);
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.b2s01k01n03-vector-video-wrapper video {
    width: 100%;
    display: block;
}

/* ===== 互动工具区 ===== */
.b2s01k01n03-vector-tool-section {
    background: linear-gradient(135deg, #f5f7fa, #c3cfe2);
    padding: 60px 0;
}

.b2s01k01n03-vector-tool-form {
    max-width: 600px;
    margin: 0 auto;
    background: #fff;
    padding: 40px;
    border-radius: var(--b2s01k01n03-vector-radius);
    box-shadow: var(--b2s01k01n03-vector-shadow);
}

.b2s01k01n03-vector-form-group {
    margin-bottom: 20px;
}

.b2s01k01n03-vector-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--b2s01k01n03-vector-dark);
}

.b2s01k01n03-vector-form-group input,
.b2s01k01n03-vector-form-group select,
.b2s01k01n03-vector-form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--b2s01k01n03-vector-border);
    border-radius: 8px;
    font-size: 15px;
    font-family: var(--b2s01k01n03-vector-font);
    transition: border-color 0.3s ease;
}

.b2s01k01n03-vector-form-group input:focus,
.b2s01k01n03-vector-form-group select:focus,
.b2s01k01n03-vector-form-group textarea:focus {
    outline: none;
    border-color: var(--b2s01k01n03-vector-primary);
    box-shadow: 0 0 0 3px rgba(30, 60, 114, 0.1);
}

.b2s01k01n03-vector-form-submit {
    width: 100%;
    padding: 14px;
    background: var(--b2s01k01n03-vector-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.b2s01k01n03-vector-form-submit:hover {
    background: var(--b2s01k01n03-vector-secondary);
}

/* ===== FAQ区 ===== */
.b2s01k01n03-vector-faq-item {
    background: #fff;
    border: 1px solid var(--b2s01k01n03-vector-border);
    border-radius: var(--b2s01k01n03-vector-radius);
    margin-bottom: 12px;
    overflow: hidden;
}

.b2s01k01n03-vector-faq-question {
    padding: 18px 24px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.b2s01k01n03-vector-faq-question:hover {
    background: var(--b2s01k01n03-vector-light);
}

.b2s01k01n03-vector-faq-answer {
    padding: 0 24px 18px;
    color: var(--b2s01k01n03-vector-gray);
    line-height: 1.8;
}

/* ===== 商业信任区 ===== */
.b2s01k01n03-vector-trust-section {
    background: #fff;
    padding: 50px 0;
    border-top: 1px solid var(--b2s01k01n03-vector-border);
}

.b2s01k01n03-vector-trust-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.b2s01k01n03-vector-trust-item {
    text-align: center;
}

.b2s01k01n03-vector-trust-item img {
    width: 60px;
    height: 60px;
    margin: 0 auto 10px;
}

/* ===== 面包屑 ===== */
.b2s01k01n03-vector-breadcrumb {
    padding: 15px 0;
    font-size: 0.9rem;
}

.b2s01k01n03-vector-breadcrumb a {
    color: var(--b2s01k01n03-vector-gray);
}

.b2s01k01n03-vector-breadcrumb span {
    color: var(--b2s01k01n03-vector-dark);
    margin: 0 8px;
}

/* ===== 文章详情 ===== */
.b2s01k01n03-vector-article-block {
    background: #fff;
    border-radius: var(--b2s01k01n03-vector-radius);
    padding: 40px;
    box-shadow: var(--b2s01k01n03-vector-shadow);
    margin-bottom: 30px;
}

.b2s01k01n03-vector-article-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--b2s01k01n03-vector-border);
}

.b2s01k01n03-vector-article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    color: var(--b2s01k01n03-vector-gray);
    font-size: 0.9rem;
    margin-top: 15px;
}

.b2s01k01n03-vector-article-meta img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
}

.b2s01k01n03-vector-article-content {
    line-height: 2;
    font-size: 1rem;
}

.b2s01k01n03-vector-article-content h2 {
    margin: 30px 0 15px;
    font-size: 1.4rem;
}

.b2s01k01n03-vector-article-content h3 {
    margin: 25px 0 12px;
    font-size: 1.2rem;
}

.b2s01k01n03-vector-article-content p {
    margin-bottom: 18px;
}

/* ===== 侧边栏 ===== */
.b2s01k01n03-vector-layout-main {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px;
}

.b2s01k01n03-vector-sidebar {
    position: sticky;
    top: 20px;
    align-self: start;
}

.b2s01k01n03-vector-sidebar-widget {
    background: #fff;
    border-radius: var(--b2s01k01n03-vector-radius);
    padding: 24px;
    box-shadow: var(--b2s01k01n03-vector-shadow);
    margin-bottom: 20px;
}

.b2s01k01n03-vector-sidebar-title {
    font-size: 1.1rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--b2s01k01n03-vector-primary);
}

.b2s01k01n03-vector-sidebar-list {
    list-style: none;
}

.b2s01k01n03-vector-sidebar-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--b2s01k01n03-vector-border);
}

.b2s01k01n03-vector-sidebar-list li:last-child {
    border-bottom: none;
}

/* ===== 页脚 ===== */
.b2s01k01n03-vector-footer {
    background: var(--b2s01k01n03-vector-dark);
    color: #ccc;
    padding: 50px 0 0;
}

.b2s01k01n03-vector-footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 40px;
}

.b2s01k01n03-vector-footer-col h4 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.b2s01k01n03-vector-footer-col ul {
    list-style: none;
}

.b2s01k01n03-vector-footer-col ul li {
    margin-bottom: 10px;
}

.b2s01k01n03-vector-footer-col ul li a {
    color: #aaa;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.b2s01k01n03-vector-footer-col ul li a:hover {
    color: #fff;
}

.b2s01k01n03-vector-footer-col p {
    font-size: 0.9rem;
    line-height: 1.8;
    color: #aaa;
}

.b2s01k01n03-vector-footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px;
    text-align: center;
    font-size: 0.85rem;
    color: #888;
}

.b2s01k01n03-vector-social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.b2s01k01n03-vector-social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: #ccc;
    font-size: 14px;
    transition: all 0.3s ease;
}

.b2s01k01n03-vector-social-links a:hover {
    background: var(--b2s01k01n03-vector-primary);
    color: #fff;
}

/* ===== 分页 ===== */
.b2s01k01n03-vector-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.b2s01k01n03-vector-pagination a,
.b2s01k01n03-vector-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--b2s01k01n03-vector-border);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.b2s01k01n03-vector-pagination span.active {
    background: var(--b2s01k01n03-vector-primary);
    color: #fff;
    border-color: var(--b2s01k01n03-vector-primary);
}

/* ===== 时间轴 ===== */
.b2s01k01n03-vector-timeline {
    position: relative;
    padding-left: 30px;
}

.b2s01k01n03-vector-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--b2s01k01n03-vector-primary);
    border-radius: 2px;
}

.b2s01k01n03-vector-timeline-item {
    position: relative;
    margin-bottom: 30px;
    padding-left: 20px;
}

.b2s01k01n03-vector-timeline-item::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--b2s01k01n03-vector-primary);
    border: 3px solid #fff;
    box-shadow: 0 0 0 2px var(--b2s01k01n03-vector-primary);
}

.b2s01k01n03-vector-timeline-year {
    font-weight: 700;
    color: var(--b2s01k01n03-vector-primary);
    margin-bottom: 5px;
}

/* ===== 响应式 ===== */
@media (max-width: 1200px) {
    .b2s01k01n03-vector-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .b2s01k01n03-vector-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .b2s01k01n03-vector-layout-main {
        grid-template-columns: 1fr;
    }
    .b2s01k01n03-vector-footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .b2s01k01n03-vector-hero h1 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .b2s01k01n03-vector-nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 15px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        z-index: 1000;
    }
    .b2s01k01n03-vector-nav-list.active {
        display: flex;
    }
    .b2s01k01n03-vector-mobile-toggle {
        display: block;
    }
    .b2s01k01n03-vector-header-inner {
        position: relative;
    }
    .b2s01k01n03-vector-grid {
        grid-template-columns: 1fr;
    }
    .b2s01k01n03-vector-grid-4 {
        grid-template-columns: 1fr;
    }
    .b2s01k01n03-vector-grid-2 {
        grid-template-columns: 1fr;
    }
    .b2s01k01n03-vector-hero {
        padding: 50px 0;
    }
    .b2s01k01n03-vector-hero h1 {
        font-size: 1.6rem;
    }
    .b2s01k01n03-vector-section {
        padding: 40px 0;
    }
    .b2s01k01n03-vector-article-block {
        padding: 20px;
    }
    .b2s01k01n03-vector-footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    .b2s01k01n03-vector-hero h1 {
        font-size: 1.4rem;
    }
    .b2s01k01n03-vector-cta-btn,
    .b2s01k01n03-vector-cta-btn-outline {
        display: block;
        margin: 10px auto;
        text-align: center;
    }
    .b2s01k01n03-vector-section-title {
        font-size: 1.4rem;
    }
    .b2s01k01n03-vector-tool-form {
        padding: 20px;
    }
}