/* ========================================
   黑客24小时在线接单网站 - 百度SEO优化版
   百变模板前缀: css365jz-baidu
   主色调: 深蓝 #2563eb + 橙红 #f97316
   风格: 门户资讯站风格，信息量大，SEO友好
   ======================================== */

.css365jz-baidu { position: relative; }

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
    font-size: 14px;
    line-height: 1.7;
    color: #333;
    background: #f5f6f8;
    overflow-x: hidden;
}
a { text-decoration: none; color: #333; }
a:hover { color: #2563eb; }
ul, ol { list-style: none; }
img { max-width: 100%; border: none; display: block; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; color: #222; }

.css365jz-seoopt-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* ===== 通用按钮 ===== */
.css365jz-seoopt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 22px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}
.css365jz-seoopt-btn-primary {
    background: #2563eb;
    color: #fff;
}
.css365jz-seoopt-btn-primary:hover {
    background: #1d4ed8;
    color: #fff;
}
.css365jz-seoopt-btn-outline {
    background: transparent;
    color: #2563eb;
    border: 1.5px solid #2563eb;
}
.css365jz-seoopt-btn-outline:hover {
    background: #2563eb;
    color: #fff;
}
.css365jz-seoopt-btn-full { width: 100%; padding: 12px; font-size: 15px; }

/* ===== 顶部导航 ===== */
.css365jz-seoopt-topbar {
    background: #f5f6f8;
    border-bottom: 1px solid #e5e7eb;
    font-size: 12px;
    color: #666;
    padding: 6px 0;
}
.css365jz-seoopt-topbar .css365jz-seoopt-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.css365jz-seoopt-topbar-left { color: #666; }
.css365jz-seoopt-topbar-right { display: flex; align-items: center; gap: 6px; }
.css365jz-seoopt-toplink {
    color: #666;
    transition: color 0.2s ease;
}
.css365jz-seoopt-toplink:hover { color: #2563eb; }
.css365jz-seoopt-topline { color: #ddd; }

/* ===== 头部Header ===== */
.css365jz-seoopt-header {
    background: #fff;
    padding: 20px 0;
    border-bottom: 1px solid #e5e7eb;
}
.css365jz-seoopt-header-inner {
    display: flex;
    align-items: center;
    gap: 30px;
}
.css365jz-seoopt-logo {
    flex-shrink: 0;
}
.css365jz-seoopt-logo h1 {
    font-size: 26px;
    font-weight: 800;
    color: #2563eb;
    margin: 0;
    line-height: 1.2;
}
.css365jz-seoopt-logo p {
    font-size: 12px;
    color: #999;
    margin-top: 4px;
}
.css365jz-seoopt-search {
    flex: 1;
    max-width: 480px;
}
.css365jz-seoopt-search-form {
    display: flex;
    border: 2px solid #2563eb;
    border-radius: 4px;
    overflow: hidden;
}
.css365jz-seoopt-search-input {
    flex: 1;
    padding: 10px 14px;
    border: none;
    font-size: 13px;
    outline: none;
    background: #fff;
}
.css365jz-seoopt-search-btn {
    padding: 0 22px;
    background: #2563eb;
    color: #fff;
    border: none;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}
.css365jz-seoopt-search-btn:hover { background: #1d4ed8; }
.css365jz-seoopt-hotsearch {
    margin-top: 8px;
    font-size: 12px;
    color: #999;
}
.css365jz-seoopt-hotsearch span { margin-right: 4px; }
.css365jz-seoopt-hotsearch a {
    color: #666;
    margin-right: 10px;
    transition: color 0.2s ease;
}
.css365jz-seoopt-hotsearch a:hover { color: #2563eb; }
.css365jz-seoopt-contact-top {
    flex-shrink: 0;
}
.css365jz-seoopt-qq-contact {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: #f0f7ff;
    border: 1px solid #bfdbfe;
    border-radius: 6px;
}
.css365jz-seoopt-qq-icon { font-size: 26px; }
.css365jz-seoopt-qq-label {
    font-size: 12px;
    color: #666;
}
.css365jz-seoopt-qq-num {
    font-size: 14px;
    font-weight: 700;
    color: #2563eb;
}

/* ===== 主导航 ===== */
.css365jz-seoopt-nav {
    background: #2563eb;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.2);
}
.css365jz-seoopt-nav-list {
    display: flex;
}
.css365jz-seoopt-nav-item a {
    display: block;
    padding: 14px 22px;
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}
.css365jz-seoopt-nav-item a:hover {
    background: #1d4ed8;
    color: #fff;
}
.css365jz-seoopt-nav-item.css365jz-seoopt-active a {
    background: #1e40af;
    font-weight: 600;
}

/* ===== 面包屑 ===== */
.css365jz-seoopt-breadcrumb {
    background: #fff;
    padding: 10px 0;
    border-bottom: 1px solid #e5e7eb;
    font-size: 12px;
    color: #999;
}
.css365jz-seoopt-breadcrumb a {
    color: #666;
    transition: color 0.2s ease;
}
.css365jz-seoopt-breadcrumb a:hover { color: #2563eb; }
.css365jz-seoopt-bc-sep {
    margin: 0 6px;
    color: #ccc;
}

/* ===== 主体布局 ===== */
.css365jz-seoopt-main {
    padding: 18px 0;
}
.css365jz-seoopt-main-row {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 18px;
    align-items: start;
}
.css365jz-seoopt-main-left { min-width: 0; }
.css365jz-seoopt-main-right { min-width: 0; }

/* ===== 通用区块 ===== */
.css365jz-seoopt-section {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    padding: 18px 20px;
    margin-bottom: 16px;
}
.css365jz-seoopt-section-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid #2563eb;
}
.css365jz-seoopt-section-title h2 {
    font-size: 18px;
    color: #222;
    position: relative;
    padding-left: 12px;
}
.css365jz-seoopt-section-title h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    width: 4px;
    height: 18px;
    background: #2563eb;
    border-radius: 2px;
}
.css365jz-seoopt-more {
    font-size: 12px;
    color: #999;
    transition: color 0.2s ease;
}
.css365jz-seoopt-more:hover { color: #2563eb; }

/* ===== Banner横幅 ===== */
.css365jz-seoopt-banner {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    margin-bottom: 16px;
    overflow: hidden;
}
.css365jz-seoopt-banner-inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 0;
}
.css365jz-seoopt-banner-left {
    padding: 30px;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}
.css365jz-seoopt-banner-title {
    font-size: 28px;
    font-weight: 800;
    color: #1e3a8a;
    line-height: 1.4;
    margin-bottom: 14px;
}
.css365jz-seoopt-banner-title em {
    display: block;
    font-size: 15px;
    font-style: normal;
    font-weight: 500;
    color: #f97316;
    margin-top: 6px;
}
.css365jz-seoopt-banner-desc {
    font-size: 13px;
    color: #475569;
    line-height: 2;
    margin-bottom: 16px;
}
.css365jz-seoopt-banner-desc strong { color: #1e3a8a; }
.css365jz-seoopt-banner-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}
.css365jz-seoopt-banner-tags span {
    padding: 5px 12px;
    background: #fff;
    border: 1px solid #bfdbfe;
    color: #2563eb;
    font-size: 12px;
    border-radius: 4px;
}
.css365jz-seoopt-banner-btns {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.css365jz-seoopt-banner-right {
    padding: 30px;
    background: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
}
.css365jz-seoopt-banner-card {
    width: 100%;
    text-align: center;
}
.css365jz-seoopt-banner-card h3 {
    font-size: 16px;
    color: #333;
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 1px dashed #ddd;
}
.css365jz-seoopt-banner-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.css365jz-seoopt-stat {
    text-align: center;
    padding: 12px 8px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
}
.css365jz-seoopt-stat strong {
    display: block;
    font-size: 24px;
    font-weight: 800;
    color: #2563eb;
    line-height: 1;
    margin-bottom: 4px;
}
.css365jz-seoopt-stat strong span {
    font-size: 12px;
    font-weight: 600;
    margin-left: 1px;
}
.css365jz-seoopt-stat span {
    font-size: 12px;
    color: #666;
}

/* ===== 核心服务网格 ===== */
.css365jz-seoopt-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}
.css365jz-seoopt-svc-item {
    padding: 16px;
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    transition: all 0.3s ease;
}
.css365jz-seoopt-svc-item:hover {
    background: #eff6ff;
    border-color: #bfdbfe;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.08);
}
.css365jz-seoopt-svc-icon {
    font-size: 28px;
    margin-bottom: 10px;
}
.css365jz-seoopt-svc-item h3 {
    font-size: 15px;
    margin-bottom: 8px;
}
.css365jz-seoopt-svc-item h3 a {
    color: #222;
    transition: color 0.2s ease;
}
.css365jz-seoopt-svc-item h3 a:hover { color: #2563eb; }
.css365jz-seoopt-svc-item p {
    font-size: 12px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 10px;
}
.css365jz-seoopt-svc-link {
    font-size: 12px;
    color: #2563eb;
    font-weight: 500;
}
.css365jz-seoopt-svc-link:hover { color: #1d4ed8; }

/* ===== 服务专区 ===== */
.css365jz-seoopt-zone-content { position: relative; }
.css365jz-seoopt-zone-intro {
    font-size: 13px;
    color: #555;
    line-height: 2;
    margin-bottom: 14px;
}
.css365jz-seoopt-zone-intro strong {
    color: #2563eb;
    font-weight: 700;
}
.css365jz-seoopt-zone-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.css365jz-seoopt-zone-list ul {
    padding: 12px 14px;
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
}
.css365jz-seoopt-zone-list li {
    padding: 4px 0;
}
.css365jz-seoopt-zone-list li a {
    font-size: 12px;
    color: #555;
    transition: all 0.2s ease;
}
.css365jz-seoopt-zone-list li a:hover {
    color: #2563eb;
    padding-left: 4px;
}

/* ===== 新闻资讯列表 ===== */
.css365jz-seoopt-news-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.css365jz-seoopt-news-item {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px dashed #e5e7eb;
}
.css365jz-seoopt-news-item:last-child { border-bottom: none; }
.css365jz-seoopt-news-date {
    flex-shrink: 0;
    width: 56px;
    text-align: center;
    padding: 10px 0;
    background: #f0f7ff;
    border: 1px solid #bfdbfe;
    border-radius: 4px;
}
.css365jz-seoopt-news-day {
    display: block;
    font-size: 20px;
    font-weight: 800;
    color: #2563eb;
    line-height: 1;
}
.css365jz-seoopt-news-month {
    display: block;
    font-size: 11px;
    color: #64748b;
    margin-top: 4px;
}
.css365jz-seoopt-news-body { flex: 1; min-width: 0; }
.css365jz-seoopt-news-body h3 {
    font-size: 15px;
    margin-bottom: 6px;
}
.css365jz-seoopt-news-body h3 a {
    color: #222;
    transition: color 0.2s ease;
}
.css365jz-seoopt-news-body h3 a:hover { color: #2563eb; }
.css365jz-seoopt-news-body p {
    font-size: 12px;
    color: #777;
    line-height: 1.8;
    margin-bottom: 8px;
}
.css365jz-seoopt-news-meta {
    display: flex;
    gap: 16px;
    font-size: 11px;
    color: #999;
    align-items: center;
}
.css365jz-seoopt-news-read {
    margin-left: auto;
    color: #2563eb;
}

/* ===== 成功案例 ===== */
.css365jz-seoopt-case-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.css365jz-seoopt-case-item {
    padding: 14px;
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    transition: all 0.3s ease;
}
.css365jz-seoopt-case-item:hover {
    background: #fff7ed;
    border-color: #fdba74;
}
.css365jz-seoopt-case-tag {
    display: inline-block;
    padding: 3px 8px;
    background: #f97316;
    color: #fff;
    font-size: 11px;
    border-radius: 3px;
    margin-bottom: 10px;
}
.css365jz-seoopt-case-item h3 {
    font-size: 13px;
    margin-bottom: 8px;
    line-height: 1.5;
}
.css365jz-seoopt-case-item h3 a {
    color: #222;
    transition: color 0.2s ease;
}
.css365jz-seoopt-case-item h3 a:hover { color: #f97316; }
.css365jz-seoopt-case-item p {
    font-size: 12px;
    color: #777;
    line-height: 1.7;
    margin-bottom: 10px;
}
.css365jz-seoopt-case-foot {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: #999;
    padding-top: 8px;
    border-top: 1px dashed #e5e7eb;
}

/* ===== 关于我们 ===== */
.css365jz-seoopt-about-content p {
    font-size: 13px;
    color: #555;
    line-height: 2;
    margin-bottom: 12px;
    text-indent: 2em;
}
.css365jz-seoopt-about-content p strong { color: #2563eb; }
.css365jz-seoopt-about-content a { color: #2563eb; }
.css365jz-seoopt-about-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 18px;
}
.css365jz-seoopt-abfeat {
    text-align: center;
    padding: 16px 10px;
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
}
.css365jz-seoopt-abfeat-icon {
    font-size: 28px;
    display: block;
    margin-bottom: 8px;
}
.css365jz-seoopt-abfeat h4 {
    font-size: 14px;
    color: #222;
    margin-bottom: 4px;
}
.css365jz-seoopt-abfeat p {
    font-size: 11px;
    color: #999;
    text-indent: 0;
    margin: 0;
    line-height: 1.5;
}

/* ===== 侧边栏 ===== */
.css365jz-seoopt-sidebar {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    margin-bottom: 14px;
    overflow: hidden;
}
.css365jz-seoopt-sidebar-title {
    padding: 12px 16px;
    background: #f8fafc;
    border-bottom: 1px solid #e5e7eb;
    font-size: 14px;
    font-weight: 700;
    color: #222;
    margin: 0;
}
.css365jz-seoopt-sidebar-contact {
    padding: 0;
}
.css365jz-seoopt-side-contact {
    padding: 18px 16px;
    text-align: center;
}
.css365jz-seoopt-side-tip {
    font-size: 13px;
    color: #f97316;
    font-weight: 600;
    margin-bottom: 14px;
}
.css365jz-seoopt-side-promise {
    margin-top: 14px;
    font-size: 12px;
    color: #666;
    line-height: 2;
    text-align: left;
    padding: 12px;
    background: #f8fafc;
    border-radius: 4px;
}

/* 侧边排行榜 */
.css365jz-seoopt-side-rank {
    padding: 10px 14px;
}
.css365jz-seoopt-side-rank li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 0;
    border-bottom: 1px dashed #f0f0f0;
}
.css365jz-seoopt-side-rank li:last-child { border-bottom: none; }
.css365jz-seoopt-rank {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ccc;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    border-radius: 3px;
    flex-shrink: 0;
}
.css365jz-seoopt-rank-1 { background: #ef4444; }
.css365jz-seoopt-rank-2 { background: #f97316; }
.css365jz-seoopt-rank-3 { background: #eab308; }
.css365jz-seoopt-side-rank li a {
    flex: 1;
    font-size: 13px;
    color: #444;
    transition: color 0.2s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.css365jz-seoopt-side-rank li a:hover { color: #2563eb; }

/* 侧边新闻 */
.css365jz-seoopt-side-news {
    padding: 10px 14px;
}
.css365jz-seoopt-side-news li {
    padding: 6px 0;
    padding-left: 12px;
    position: relative;
}
.css365jz-seoopt-side-news li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 4px;
    height: 4px;
    background: #ccc;
    border-radius: 50%;
}
.css365jz-seoopt-side-news li a {
    font-size: 13px;
    color: #555;
    transition: color 0.2s ease;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.css365jz-seoopt-side-news li a:hover { color: #2563eb; }

/* 标签云 */
.css365jz-seoopt-tag-cloud {
    padding: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.css365jz-seoopt-tag-cloud a {
    padding: 5px 10px;
    background: #f0f7ff;
    border: 1px solid #bfdbfe;
    color: #2563eb;
    font-size: 12px;
    border-radius: 3px;
    transition: all 0.2s ease;
}
.css365jz-seoopt-tag-cloud a:hover {
    background: #2563eb;
    border-color: #2563eb;
    color: #fff;
}

/* 侧边广告 */
.css365jz-seoopt-sidebar-ad {
    padding: 12px;
    background: #f8fafc;
}
.css365jz-seoopt-side-ad-box {
    padding: 30px;
    background: #fff;
    border: 1px dashed #ccc;
    border-radius: 4px;
    text-align: center;
    font-size: 12px;
    color: #aaa;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== 联系我们 ===== */
.css365jz-seoopt-contact {
    background: #fff;
    border-top: 1px solid #e5e7eb;
    padding: 36px 0;
    margin-top: 10px;
}
.css365jz-seoopt-contact-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 30px;
}
.css365jz-seoopt-contact-info h2 {
    font-size: 22px;
    margin-bottom: 10px;
}
.css365jz-seoopt-contact-desc {
    font-size: 13px;
    color: #666;
    line-height: 2;
    margin-bottom: 20px;
}
.css365jz-seoopt-contact-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}
.css365jz-seoopt-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
}
.css365jz-seoopt-contact-icon {
    font-size: 22px;
    flex-shrink: 0;
}
.css365jz-seoopt-contact-item h4 {
    font-size: 14px;
    color: #222;
    margin-bottom: 2px;
}
.css365jz-seoopt-contact-item p {
    font-size: 12px;
    color: #888;
}

.css365jz-seoopt-contact-form {
    padding: 24px;
    background: #f8fafc;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
}
.css365jz-seoopt-contact-form h3 {
    font-size: 18px;
    margin-bottom: 18px;
}
.css365jz-seoopt-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.css365jz-seoopt-form-field { margin-bottom: 14px; }
.css365jz-seoopt-form-field label {
    display: block;
    font-size: 13px;
    color: #444;
    margin-bottom: 6px;
}
.css365jz-seoopt-form-field input,
.css365jz-seoopt-form-field select,
.css365jz-seoopt-form-field textarea {
    width: 100%;
    padding: 9px 12px;
    background: #fff;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    font-size: 13px;
    color: #333;
    outline: none;
    transition: border-color 0.2s ease;
    font-family: inherit;
}
.css365jz-seoopt-form-field input:focus,
.css365jz-seoopt-form-field select:focus,
.css365jz-seoopt-form-field textarea:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.css365jz-seoopt-form-field textarea {
    resize: vertical;
    min-height: 80px;
}

/* ===== 底部 ===== */
.css365jz-seoopt-footer {
    background: #2d3748;
    color: #a0aec0;
    padding: 36px 0 20px;
}
.css365jz-seoopt-footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 30px;
    padding-bottom: 28px;
    border-bottom: 1px solid #4a5568;
}
.css365jz-seoopt-footer-col h4 {
    font-size: 15px;
    color: #e2e8f0;
    margin-bottom: 16px;
    font-weight: 600;
}
.css365jz-seoopt-footer-about p {
    font-size: 12px;
    line-height: 2;
    color: #a0aec0;
}
.css365jz-seoopt-footer-col ul li {
    margin-bottom: 8px;
}
.css365jz-seoopt-footer-col ul a {
    font-size: 12px;
    color: #a0aec0;
    transition: color 0.2s ease;
}
.css365jz-seoopt-footer-col ul a:hover { color: #fff; }

.css365jz-seoopt-footer-flink {
    padding: 16px 0;
    border-bottom: 1px solid #4a5568;
    font-size: 12px;
    line-height: 2;
}
.css365jz-seoopt-footer-flink strong {
    color: #cbd5e0;
    margin-right: 6px;
}
.css365jz-seoopt-footer-flink a {
    color: #a0aec0;
    margin-right: 10px;
    transition: color 0.2s ease;
}
.css365jz-seoopt-footer-flink a:hover { color: #fff; }

.css365jz-seoopt-footer-keywords {
    padding: 16px 0;
    border-bottom: 1px solid #4a5568;
    font-size: 12px;
    line-height: 2.2;
}
.css365jz-seoopt-footer-keywords strong {
    color: #cbd5e0;
    margin-right: 6px;
}
.css365jz-seoopt-footer-keywords a {
    color: #718096;
    margin-right: 8px;
    transition: color 0.2s ease;
}
.css365jz-seoopt-footer-keywords a:hover { color: #fff; }

.css365jz-seoopt-footer-bottom {
    padding-top: 18px;
    text-align: center;
}
.css365jz-seoopt-footer-bottom p {
    font-size: 12px;
    color: #718096;
    margin-bottom: 6px;
}
.css365jz-seoopt-footer-bottom a { color: #4299e1; }
.css365jz-seoopt-footer-bottom strong { color: #4299e1; }

/* ===== 返回顶部 ===== */
.css365jz-seoopt-gotop {
    position: fixed;
    right: 20px;
    bottom: 30px;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #2563eb;
    color: #fff;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    transition: all 0.3s ease;
    z-index: 90;
}
.css365jz-seoopt-gotop:hover {
    background: #1d4ed8;
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.4);
}
.css365jz-seoopt-gotop svg { width: 18px; height: 18px; }

/* ===== 响应式 - 1200px ===== */
@media (max-width: 1200px) {
    .css365jz-seoopt-services-grid { grid-template-columns: repeat(3, 1fr); }
    .css365jz-seoopt-case-grid { grid-template-columns: repeat(2, 1fr); }
    .css365jz-seoopt-banner-title { font-size: 24px; }
}

/* ===== 响应式 - 992px ===== */
@media (max-width: 992px) {
    .css365jz-seoopt-topbar { display: none; }
    .css365jz-seoopt-contact-top { display: none; }
    .css365jz-seoopt-main-row {
        grid-template-columns: 1fr;
    }
    .css365jz-seoopt-main-right { order: 2; }
    .css365jz-seoopt-nav-list {
        overflow-x: auto;
        flex-wrap: nowrap;
    }
    .css365jz-seoopt-nav-item a {
        padding: 12px 16px;
        white-space: nowrap;
        font-size: 13px;
    }
    .css365jz-seoopt-banner-inner {
        grid-template-columns: 1fr;
    }
    .css365jz-seoopt-services-grid { grid-template-columns: repeat(2, 1fr); }
    .css365jz-seoopt-zone-list { grid-template-columns: repeat(2, 1fr); }
    .css365jz-seoopt-case-grid { grid-template-columns: repeat(2, 1fr); }
    .css365jz-seoopt-about-features { grid-template-columns: repeat(2, 1fr); }
    .css365jz-seoopt-contact-inner {
        grid-template-columns: 1fr;
    }
    .css365jz-seoopt-footer-main {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .css365jz-seoopt-banner-title { font-size: 22px; }
}

/* ===== 响应式 - 768px ===== */
@media (max-width: 768px) {
    .css365jz-seoopt-header-inner {
        flex-direction: column;
        gap: 14px;
        text-align: center;
    }
    .css365jz-seoopt-search { max-width: 100%; width: 100%; }
    .css365jz-seoopt-logo h1 { font-size: 22px; }
    .css365jz-seoopt-services-grid { grid-template-columns: 1fr; }
    .css365jz-seoopt-zone-list { grid-template-columns: 1fr; }
    .css365jz-seoopt-case-grid { grid-template-columns: 1fr; }
    .css365jz-seoopt-contact-list { grid-template-columns: 1fr; }
    .css365jz-seoopt-form-row { grid-template-columns: 1fr; gap: 0; }
    .css365jz-seoopt-banner-stats { grid-template-columns: repeat(2, 1fr); }
    .css365jz-seoopt-banner-left { padding: 22px; }
    .css365jz-seoopt-banner-right { padding: 22px; }
    .css365jz-seoopt-banner-title { font-size: 20px; }
}

/* ===== 响应式 - 480px ===== */
@media (max-width: 480px) {
    .css365jz-seoopt-container { padding: 0 12px; }
    .css365jz-seoopt-header { padding: 14px 0; }
    .css365jz-seoopt-logo h1 { font-size: 20px; }
    .css365jz-seoopt-logo p { display: none; }
    .css365jz-seoopt-hotsearch { display: none; }
    .css365jz-seoopt-section { padding: 14px; }
    .css365jz-seoopt-section-title h2 { font-size: 16px; }
    .css365jz-seoopt-banner-title { font-size: 18px; }
    .css365jz-seoopt-banner-tags span { font-size: 11px; padding: 4px 8px; }
    .css365jz-seoopt-banner-btns { flex-direction: column; }
    .css365jz-seoopt-banner-btns .css365jz-seoopt-btn { width: 100%; }
    .css365jz-seoopt-news-item { flex-direction: column; gap: 10px; }
    .css365jz-seoopt-news-date {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 8px 0;
    }
    .css365jz-seoopt-news-day { font-size: 16px; }
    .css365jz-seoopt-news-month { margin-top: 0; }
    .css365jz-seoopt-about-features { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .css365jz-seoopt-abfeat { padding: 12px 8px; }
    .css365jz-seoopt-abfeat-icon { font-size: 24px; }
    .css365jz-seoopt-footer-main { grid-template-columns: 1fr; gap: 20px; }
    .css365jz-seoopt-contact-form { padding: 18px; }
    .css365jz-seoopt-gotop {
        right: 12px;
        bottom: 20px;
        width: 38px;
        height: 38px;
        border-radius: 6px;
    }
    .css365jz-seoopt-gotop svg { width: 16px; height: 16px; }
}