/* ============================================
   公众讨论礼仪指南站 - 全站样式表
   CSS前缀: b2s01k04n05-studio-
   Mobile-First 响应式设计
   ============================================ */

/* === 基础重置与变量 === */
:root {
    --b2s01k04n05-studio-primary: #1a5276;
    --b2s01k04n05-studio-secondary: #2980b9;
    --b2s01k04n05-studio-accent: #e74c3c;
    --b2s01k04n05-studio-bg: #f8f9fa;
    --b2s01k04n05-studio-text: #2c3e50;
    --b2s01k04n05-studio-light: #ecf0f1;
    --b2s01k04n05-studio-dark: #1a252f;
    --b2s01k04n05-studio-success: #27ae60;
    --b2s01k04n05-studio-border: #dce1e5;
    --b2s01k04n05-studio-shadow: 0 2px 12px rgba(0,0,0,0.08);
    --b2s01k04n05-studio-radius: 8px;
    --b2s01k04n05-studio-transition: all 0.3s ease;
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--b2s01k04n05-studio-text);
    background-color: var(--b2s01k04n05-studio-bg);
    line-height: 1.8;
    min-height: 100vh;
}

a {
    color: var(--b2s01k04n05-studio-secondary);
    text-decoration: none;
    transition: var(--b2s01k04n05-studio-transition);
}

a:hover {
    color: var(--b2s01k04n05-studio-primary);
    text-decoration: underline;
}

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

/* === 容器 === */
.b2s01k04n05-studio-container-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* === 头部导航 === */
.b2s01k04n05-studio-header {
    background: #fff;
    border-bottom: 1px solid var(--b2s01k04n05-studio-border);
    padding: 15px 0;
    position: relative;
    z-index: 100;
}

.b2s01k04n05-studio-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.b2s01k04n05-studio-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.b2s01k04n05-studio-logo img {
    width: 40px;
    height: 40px;
    border-radius: 6px;
}

.b2s01k04n05-studio-logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--b2s01k04n05-studio-primary);
}

.b2s01k04n05-studio-nav-list {
    list-style: none;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.b2s01k04n05-studio-nav-item {
    position: relative;
}

.b2s01k04n05-studio-link-element {
    display: block;
    padding: 8px 16px;
    color: var(--b2s01k04n05-studio-text);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--b2s01k04n05-studio-radius);
    transition: var(--b2s01k04n05-studio-transition);
}

.b2s01k04n05-studio-link-element:hover,
.b2s01k04n05-studio-link-element.active {
    background: var(--b2s01k04n05-studio-light);
    color: var(--b2s01k04n05-studio-secondary);
    text-decoration: none;
}

.b2s01k04n05-studio-mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
    color: var(--b2s01k04n05-studio-text);
}

/* === Banner区 === */
.b2s01k04n05-studio-banner {
    position: relative;
    background: linear-gradient(135deg, var(--b2s01k04n05-studio-primary), var(--b2s01k04n05-studio-secondary));
    color: #fff;
    padding: 80px 0;
    overflow: hidden;
}

.b2s01k04n05-studio-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
}

.b2s01k04n05-studio-banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.b2s01k04n05-studio-banner h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 800;
    line-height: 1.3;
}

.b2s01k04n05-studio-banner p {
    font-size: 1.15rem;
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.8;
}

.b2s01k04n05-studio-cta-btn {
    display: inline-block;
    padding: 14px 36px;
    background: var(--b2s01k04n05-studio-accent);
    color: #fff;
    border-radius: 50px;
    font-size: 1.05rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--b2s01k04n05-studio-transition);
    border: none;
    cursor: pointer;
}

.b2s01k04n05-studio-cta-btn:hover {
    background: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231,76,60,0.3);
    color: #fff;
    text-decoration: none;
}

.b2s01k04n05-studio-cta-btn-secondary {
    background: transparent;
    border: 2px solid #fff;
    margin-left: 15px;
}

.b2s01k04n05-studio-cta-btn-secondary:hover {
    background: #fff;
    color: var(--b2s01k04n05-studio-primary);
}

/* === 通用区块 === */
.b2s01k04n05-studio-section {
    padding: 60px 0;
}

.b2s01k04n05-studio-section-alt {
    background: #fff;
}

.b2s01k04n05-studio-section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--b2s01k04n05-studio-primary);
    text-align: center;
    margin-bottom: 15px;
}

.b2s01k04n05-studio-section-desc {
    text-align: center;
    color: #666;
    max-width: 700px;
    margin: 0 auto 40px;
    font-size: 1.05rem;
}

/* === 卡片网格 === */
.b2s01k04n05-studio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.b2s01k04n05-studio-card {
    background: #fff;
    border-radius: var(--b2s01k04n05-studio-radius);
    box-shadow: var(--b2s01k04n05-studio-shadow);
    overflow: hidden;
    transition: var(--b2s01k04n05-studio-transition);
}

.b2s01k04n05-studio-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.b2s01k04n05-studio-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.b2s01k04n05-studio-card-body {
    padding: 20px;
}

.b2s01k04n05-studio-card-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--b2s01k04n05-studio-text);
}

.b2s01k04n05-studio-card-meta {
    font-size: 0.85rem;
    color: #999;
    margin-bottom: 10px;
}

.b2s01k04n05-studio-card-text {
    font-size: 0.95rem;
    color: #555;
    line-height: 1.7;
}

/* === 特点/优势矩阵 === */
.b2s01k04n05-studio-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.b2s01k04n05-studio-feature-item {
    text-align: center;
    padding: 30px 20px;
    background: #fff;
    border-radius: var(--b2s01k04n05-studio-radius);
    box-shadow: var(--b2s01k04n05-studio-shadow);
    transition: var(--b2s01k04n05-studio-transition);
}

.b2s01k04n05-studio-feature-item:hover {
    transform: translateY(-3px);
}

.b2s01k04n05-studio-feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: var(--b2s01k04n05-studio-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.b2s01k04n05-studio-feature-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--b2s01k04n05-studio-primary);
}

/* === FAQ区 === */
.b2s01k04n05-studio-faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.b2s01k04n05-studio-faq-item {
    background: #fff;
    border-radius: var(--b2s01k04n05-studio-radius);
    margin-bottom: 12px;
    box-shadow: var(--b2s01k04n05-studio-shadow);
    overflow: hidden;
}

.b2s01k04n05-studio-faq-question {
    padding: 18px 24px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--b2s01k04n05-studio-text);
}

.b2s01k04n05-studio-faq-question::after {
    content: "+";
    font-size: 1.3rem;
    color: var(--b2s01k04n05-studio-secondary);
    transition: var(--b2s01k04n05-studio-transition);
}

.b2s01k04n05-studio-faq-item.active .b2s01k04n05-studio-faq-question::after {
    content: "-";
}

.b2s01k04n05-studio-faq-answer {
    padding: 0 24px 18px;
    color: #555;
    line-height: 1.8;
    display: none;
}

.b2s01k04n05-studio-faq-item.active .b2s01k04n05-studio-faq-answer {
    display: block;
}

/* === 视频区 === */
.b2s01k04n05-studio-video-section {
    text-align: center;
    padding: 40px 0;
}

.b2s01k04n05-studio-video-wrapper {
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--b2s01k04n05-studio-radius);
    overflow: hidden;
    box-shadow: var(--b2s01k04n05-studio-shadow);
}

.b2s01k04n05-studio-video-wrapper video {
    width: 100%;
    display: block;
}

/* === 互动工具区 === */
.b2s01k04n05-studio-tool-section {
    background: #fff;
    border-radius: var(--b2s01k04n05-studio-radius);
    padding: 40px;
    box-shadow: var(--b2s01k04n05-studio-shadow);
    max-width: 700px;
    margin: 0 auto;
}

.b2s01k04n05-studio-tool-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--b2s01k04n05-studio-primary);
    margin-bottom: 20px;
    text-align: center;
}

.b2s01k04n05-studio-quiz-option {
    display: block;
    width: 100%;
    padding: 14px 20px;
    margin-bottom: 10px;
    background: var(--b2s01k04n05-studio-light);
    border: 2px solid transparent;
    border-radius: var(--b2s01k04n05-studio-radius);
    cursor: pointer;
    text-align: left;
    font-size: 0.95rem;
    transition: var(--b2s01k04n05-studio-transition);
}

.b2s01k04n05-studio-quiz-option:hover {
    border-color: var(--b2s01k04n05-studio-secondary);
    background: #eaf2f8;
}

.b2s01k04n05-studio-quiz-option.selected {
    border-color: var(--b2s01k04n05-studio-success);
    background: #eafaf1;
}

.b2s01k04n05-studio-quiz-result {
    margin-top: 20px;
    padding: 20px;
    background: var(--b2s01k04n05-studio-light);
    border-radius: var(--b2s01k04n05-studio-radius);
    text-align: center;
    display: none;
}

/* === 商业信任区 === */
.b2s01k04n05-studio-trust-section {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    align-items: center;
    padding: 30px 0;
}

.b2s01k04n05-studio-trust-item {
    text-align: center;
    padding: 20px;
}

.b2s01k04n05-studio-trust-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--b2s01k04n05-studio-secondary);
}

.b2s01k04n05-studio-trust-label {
    font-size: 0.9rem;
    color: #666;
    margin-top: 5px;
}

/* === 面包屑 === */
.b2s01k04n05-studio-breadcrumb {
    padding: 15px 0;
    font-size: 0.9rem;
    color: #666;
}

.b2s01k04n05-studio-breadcrumb a {
    color: var(--b2s01k04n05-studio-secondary);
}

.b2s01k04n05-studio-breadcrumb span {
    margin: 0 8px;
    color: #999;
}

/* === 文章页 === */
.b2s01k04n05-studio-article-block {
    background: #fff;
    border-radius: var(--b2s01k04n05-studio-radius);
    padding: 40px;
    box-shadow: var(--b2s01k04n05-studio-shadow);
    margin-bottom: 30px;
}

.b2s01k04n05-studio-article-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--b2s01k04n05-studio-border);
}

.b2s01k04n05-studio-article-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--b2s01k04n05-studio-text);
    margin-bottom: 15px;
    line-height: 1.4;
}

.b2s01k04n05-studio-article-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: #888;
}

.b2s01k04n05-studio-article-content {
    line-height: 2;
    font-size: 1.05rem;
}

.b2s01k04n05-studio-article-content h2 {
    font-size: 1.4rem;
    margin: 30px 0 15px;
    color: var(--b2s01k04n05-studio-primary);
    padding-left: 12px;
    border-left: 4px solid var(--b2s01k04n05-studio-secondary);
}

.b2s01k04n05-studio-article-content h3 {
    font-size: 1.2rem;
    margin: 25px 0 12px;
    color: var(--b2s01k04n05-studio-text);
}

.b2s01k04n05-studio-article-content p {
    margin-bottom: 18px;
}

/* === 相关推荐 === */
.b2s01k04n05-studio-related {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--b2s01k04n05-studio-border);
}

.b2s01k04n05-studio-related h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--b2s01k04n05-studio-primary);
}

.b2s01k04n05-studio-related-list {
    list-style: none;
}

.b2s01k04n05-studio-related-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--b2s01k04n05-studio-border);
}

.b2s01k04n05-studio-related-list li:last-child {
    border-bottom: none;
}

/* === 表单 === */
.b2s01k04n05-studio-form-group {
    margin-bottom: 20px;
}

.b2s01k04n05-studio-form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--b2s01k04n05-studio-text);
}

.b2s01k04n05-studio-form-input,
.b2s01k04n05-studio-form-textarea,
.b2s01k04n05-studio-form-select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--b2s01k04n05-studio-border);
    border-radius: var(--b2s01k04n05-studio-radius);
    font-size: 1rem;
    transition: var(--b2s01k04n05-studio-transition);
    font-family: inherit;
}

.b2s01k04n05-studio-form-input:focus,
.b2s01k04n05-studio-form-textarea:focus {
    outline: none;
    border-color: var(--b2s01k04n05-studio-secondary);
    box-shadow: 0 0 0 3px rgba(41,128,185,0.1);
}

.b2s01k04n05-studio-form-textarea {
    min-height: 120px;
    resize: vertical;
}

.b2s01k04n05-studio-form-submit {
    display: inline-block;
    padding: 12px 30px;
    background: var(--b2s01k04n05-studio-secondary);
    color: #fff;
    border: none;
    border-radius: var(--b2s01k04n05-studio-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--b2s01k04n05-studio-transition);
}

.b2s01k04n05-studio-form-submit:hover {
    background: var(--b2s01k04n05-studio-primary);
}

/* === 时间轴 === */
.b2s01k04n05-studio-timeline {
    position: relative;
    max-width: 700px;
    margin: 30px auto;
    padding-left: 30px;
}

.b2s01k04n05-studio-timeline::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--b2s01k04n05-studio-secondary);
    border-radius: 3px;
}

.b2s01k04n05-studio-timeline-item {
    position: relative;
    margin-bottom: 30px;
    padding-left: 20px;
}

.b2s01k04n05-studio-timeline-item::before {
    content: "";
    position: absolute;
    left: -34px;
    top: 5px;
    width: 12px;
    height: 12px;
    background: var(--b2s01k04n05-studio-secondary);
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 3px var(--b2s01k04n05-studio-secondary);
}

.b2s01k04n05-studio-timeline-year {
    font-weight: 700;
    color: var(--b2s01k04n05-studio-secondary);
    margin-bottom: 5px;
}

/* === 团队 === */
.b2s01k04n05-studio-team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.b2s01k04n05-studio-team-member {
    text-align: center;
    padding: 30px 20px;
    background: #fff;
    border-radius: var(--b2s01k04n05-studio-radius);
    box-shadow: var(--b2s01k04n05-studio-shadow);
}

.b2s01k04n05-studio-team-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 15px;
    background: var(--b2s01k04n05-studio-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--b2s01k04n05-studio-secondary);
}

.b2s01k04n05-studio-team-name {
    font-weight: 600;
    margin-bottom: 5px;
}

.b2s01k04n05-studio-team-role {
    font-size: 0.85rem;
    color: #888;
}

/* === 页脚 === */
.b2s01k04n05-studio-footer {
    background: var(--b2s01k04n05-studio-dark);
    color: #ccc;
    padding: 50px 0 30px;
}

.b2s01k04n05-studio-footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 30px;
}

.b2s01k04n05-studio-footer-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 15px;
}

.b2s01k04n05-studio-footer-links {
    list-style: none;
}

.b2s01k04n05-studio-footer-links li {
    margin-bottom: 8px;
}

.b2s01k04n05-studio-footer-links a {
    color: #aaa;
    font-size: 0.9rem;
}

.b2s01k04n05-studio-footer-links a:hover {
    color: #fff;
}

.b2s01k04n05-studio-footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
    color: #888;
}

.b2s01k04n05-studio-footer-bottom p {
    margin-bottom: 5px;
}

.b2s01k04n05-studio-social-links {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 15px;
}

.b2s01k04n05-studio-social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: #ccc;
    font-size: 0.85rem;
    transition: var(--b2s01k04n05-studio-transition);
}

.b2s01k04n05-studio-social-links a:hover {
    background: var(--b2s01k04n05-studio-secondary);
    color: #fff;
    text-decoration: none;
}

/* === 页面标题区 === */
.b2s01k04n05-studio-page-header {
    background: linear-gradient(135deg, var(--b2s01k04n05-studio-primary), var(--b2s01k04n05-studio-secondary));
    color: #fff;
    padding: 50px 0;
    text-align: center;
}

.b2s01k04n05-studio-page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.b2s01k04n05-studio-page-subtitle {
    font-size: 1.05rem;
    opacity: 0.85;
}

/* === 列表页 === */
.b2s01k04n05-studio-list-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: #fff;
    border-radius: var(--b2s01k04n05-studio-radius);
    box-shadow: var(--b2s01k04n05-studio-shadow);
    margin-bottom: 16px;
    transition: var(--b2s01k04n05-studio-transition);
}

.b2s01k04n05-studio-list-item:hover {
    transform: translateX(4px);
}

.b2s01k04n05-studio-list-thumb {
    width: 180px;
    min-width: 180px;
    height: 120px;
    object-fit: cover;
    border-radius: 6px;
}

.b2s01k04n05-studio-list-content {
    flex: 1;
}

/* === 日历表格 === */
.b2s01k04n05-studio-calendar-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: var(--b2s01k04n05-studio-radius);
    overflow: hidden;
    box-shadow: var(--b2s01k04n05-studio-shadow);
}

.b2s01k04n05-studio-calendar-table th {
    background: var(--b2s01k04n05-studio-primary);
    color: #fff;
    padding: 14px 16px;
    text-align: left;
    font-size: 0.9rem;
}

.b2s01k04n05-studio-calendar-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--b2s01k04n05-studio-border);
    font-size: 0.95rem;
}

.b2s01k04n05-studio-calendar-table tr:hover td {
    background: var(--b2s01k04n05-studio-light);
}

/* === 资源下载 === */
.b2s01k04n05-studio-resource-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    background: #fff;
    border-radius: var(--b2s01k04n05-studio-radius);
    box-shadow: var(--b2s01k04n05-studio-shadow);
    margin-bottom: 12px;
}

.b2s01k04n05-studio-resource-info {
    flex: 1;
}

.b2s01k04n05-studio-resource-name {
    font-weight: 600;
    margin-bottom: 4px;
}

.b2s01k04n05-studio-resource-size {
    font-size: 0.85rem;
    color: #888;
}

.b2s01k04n05-studio-download-btn {
    padding: 8px 20px;
    background: var(--b2s01k04n05-studio-success);
    color: #fff;
    border-radius: 20px;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--b2s01k04n05-studio-transition);
}

.b2s01k04n05-studio-download-btn:hover {
    background: #219a52;
    color: #fff;
    text-decoration: none;
}

/* === 联系信息 === */
.b2s01k04n05-studio-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.b2s01k04n05-studio-contact-info-item {
    display: flex;
    gap: 12px;
    margin-bottom: 18px;
    align-items: flex-start;
}

.b2s01k04n05-studio-contact-icon {
    width: 40px;
    height: 40px;
    background: var(--b2s01k04n05-studio-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}

/* === 响应式断点 === */
@media (max-width: 1200px) {
    .b2s01k04n05-studio-container-wrapper {
        max-width: 960px;
    }
}

@media (max-width: 992px) {
    .b2s01k04n05-studio-footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .b2s01k04n05-studio-contact-grid {
        grid-template-columns: 1fr;
    }
    .b2s01k04n05-studio-banner h1 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .b2s01k04n05-studio-mobile-toggle {
        display: block;
    }
    .b2s01k04n05-studio-nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 15px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    .b2s01k04n05-studio-nav-list.active {
        display: flex;
    }
    .b2s01k04n05-studio-banner {
        padding: 50px 0;
    }
    .b2s01k04n05-studio-banner h1 {
        font-size: 1.6rem;
    }
    .b2s01k04n05-studio-section {
        padding: 40px 0;
    }
    .b2s01k04n05-studio-section-title {
        font-size: 1.5rem;
    }
    .b2s01k04n05-studio-list-item {
        flex-direction: column;
    }
    .b2s01k04n05-studio-list-thumb {
        width: 100%;
        min-width: auto;
        height: 180px;
    }
    .b2s01k04n05-studio-article-block {
        padding: 20px;
    }
    .b2s01k04n05-studio-tool-section {
        padding: 25px;
    }
    .b2s01k04n05-studio-footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    .b2s01k04n05-studio-banner h1 {
        font-size: 1.4rem;
    }
    .b2s01k04n05-studio-cta-btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
    .b2s01k04n05-studio-cta-btn-secondary {
        margin-left: 0;
        margin-top: 10px;
    }
    .b2s01k04n05-studio-features-grid {
        grid-template-columns: 1fr;
    }
    .b2s01k04n05-studio-calendar-table {
        font-size: 0.85rem;
    }
    .b2s01k04n05-studio-calendar-table th,
    .b2s01k04n05-studio-calendar-table td {
        padding: 10px 8px;
    }
}

/* === 引用块 === */
.b2s01k04n05-studio-blockquote {
    border-left: 4px solid var(--b2s01k04n05-studio-secondary);
    padding: 20px 24px;
    margin: 20px 0;
    background: var(--b2s01k04n05-studio-light);
    border-radius: 0 var(--b2s01k04n05-studio-radius) var(--b2s01k04n05-studio-radius) 0;
    font-style: italic;
    color: #555;
}

/* === 认证徽章 === */
.b2s01k04n05-studio-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--b2s01k04n05-studio-light);
    border: 1px solid var(--b2s01k04n05-studio-border);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--b2s01k04n05-studio-primary);
    margin: 4px;
}

/* === 分页 === */
.b2s01k04n05-studio-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 30px;
}

.b2s01k04n05-studio-pagination a,
.b2s01k04n05-studio-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 6px;
    background: #fff;
    border: 1px solid var(--b2s01k04n05-studio-border);
    font-size: 0.9rem;
    color: var(--b2s01k04n05-studio-text);
}

.b2s01k04n05-studio-pagination span.active {
    background: var(--b2s01k04n05-studio-secondary);
    color: #fff;
    border-color: var(--b2s01k04n05-studio-secondary);
}