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

body {
    font-family: 'Inter', sans-serif;
    background-color: #ffffff;
    color: #1a202c;
    line-height: 1.5;
    scroll-behavior: smooth;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

footer .container a {
    color: inherit;
    text-decoration:none;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #76c21b;
    color: white;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: 40px;
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.95rem;
    letter-spacing: -0.2px;
    border: none;
    cursor: pointer;
}
.btn-outline {
    background: transparent;
    border: 1px solid #76c21b;
    color: #76c21b;
}
.btn-outline:hover {
    /*background: rgba(26, 76, 255, 0.05);*/
    background:#76c21b;
    transform: translateY(-2px);
}
.btn:hover {
    /*background: #0f3bcc;*/
    transform: translateY(-2px);
    color:#fff;
}

/* 导航 */
.navbar {
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #eef2f6;
    position: sticky;
    top: 0;
    z-index: 50;
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
}
.logo {
    font-weight: 800;
    font-size: 1.6rem;
    letter-spacing: -0.5px;
    color: #0a2540;
}
.logo span {
    color: #76c21b;
}

/* Hero */
.hero {
    text-align: center;
    padding: 56px 0 32px 0;
}
.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    letter-spacing: -1px;
    background: #76c21b;
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    margin-bottom: 16px;
}
.hero p {
    font-size: 1.2rem;
    color: #4a5568;
    max-width: 780px;
    margin: 0 auto;
}

/* Banner 三大服务 - 背景图+毛玻璃卡片 */
.banner-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin: 48px 0 56px;
}
.service-banner-card {
    flex: 1;
    min-width: 280px;
    border-radius: 32px;
    overflow: hidden;
    position: relative;
    background-size: cover;
    background-position: center;
    min-height: 380px;
    display: flex;
    align-items: flex-end;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.05);
}
.service-banner-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 25px 35px -12px rgba(0,0,0,0.15);
}
.card-bg-1 { background-image: linear-gradient(0deg, rgba(0,0,0,0.5), rgba(0,0,0,0.2)), url('https://images.unsplash.com/photo-1551038247-3d9af20df552?w=800&auto=format'); }
.card-bg-2 { background-image: linear-gradient(0deg, rgba(0,0,0,0.5), rgba(0,0,0,0.2)), url('https://images.unsplash.com/photo-1581091226033-d5c48150dbaa?w=800&auto=format'); }
.card-bg-3 { background-image: linear-gradient(0deg, rgba(0,0,0,0.5), rgba(0,0,0,0.2)), url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?w=800&auto=format'); }
.service-overlay {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    width: 100%;
    padding: 28px 24px;
    border-top-left-radius: 28px;
    border-top-right-radius: 28px;
    transition: 0.2s;
}
.service-overlay h3 {
    font-size: 1.7rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #0a2540;
}
.service-overlay p {
    color: #2d3a4b;
    font-size: 0.95rem;
    margin-bottom: 16px;
    line-height: 1.4;
}
.badge-light {
    display: inline-block;
    background: rgba(26,76,255,0.12);
    padding: 6px 14px;
    border-radius: 40px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #76c21b;
}

/* 高亮strip */
.highlight-strip {
    background: #f8fafd;
    border-radius: 48px;
    padding: 40px 36px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    margin: 48px 0;
    border: 1px solid #eef2f8;
}
.skills-badge {
    background: #ffffff;
    padding: 12px 32px;
    border-radius: 80px;
    font-weight: 800;
    font-size: 1.8rem;
    color: #76c21b;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
    border: 1px solid #e2edff;
}

/* 流程 section - 增强动态效果 */
.process-section {
    padding: 40px 0 20px;
}
.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    letter-spacing: -0.3px;
}
.section-sub {
    text-align: center;
    color: #5a6874;
    max-width: 680px;
    margin: 12px auto 48px;
}
.process-steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 36px 48px;
}
.step-item {
    flex: 1;
    min-width: 170px;
    text-align: center;
    background: #ffffff;
    padding: 24px 16px;
    border-radius: 32px;
    transition: all 0.3s ease;
    border: 1px solid #edf2f7;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
}
/* 为每个step设置不同的动画延迟 */
.step-item:nth-child(1) { animation-delay: 0.1s; }
.step-item:nth-child(2) { animation-delay: 0.2s; }
.step-item:nth-child(3) { animation-delay: 0.3s; }
.step-item:nth-child(4) { animation-delay: 0.4s; }
.step-item:nth-child(5) { animation-delay: 0.5s; }

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

.step-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 30px -12px rgba(0,0,0,0.1);
    border-color: #d0e0ff;
}
.step-icon {
    width: 72px;
    height: 72px;
    background: #eff4ff;
    border-radius: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 20px;
    color: #76c21b;
    transition: all 0.3s ease;
    /* 呼吸光晕动画 - 动态效果核心 */
    animation: breatheGlow 2.2s ease-in-out infinite;
}

/* 呼吸光晕动画 */
@keyframes breatheGlow {
    0% {
        box-shadow: 0 0 0 0 rgba(26, 76, 255, 0.2);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(26, 76, 255, 0.35);
        transform: scale(1.02);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(26, 76, 255, 0);
        transform: scale(1);
    }
}

/* 悬停时加强动态效果 */
.step-item:hover .step-icon {
    animation: none;
    transform: scale(1.08);
    background: #76c21b;
    color: white;
    box-shadow: 0 12px 22px -8px rgba(26, 76, 255, 0.5);
    transition: all 0.25s ease;
}

.step-title {
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 8px;
}
.step-desc {
    font-size: 0.85rem;
    color: #6c7a8a;
    line-height: 1.4;
}

/* 特性网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    margin: 56px 0;
}
.feature-card {
    background: #ffffff;
    padding: 28px 24px;
    border-radius: 28px;
    border: 1px solid #ecf3fa;
    transition: 0.2s;
}
.feature-card:hover {
    transform: translateY(-4px);
    border-color: #c2d6ff;
}
.feature-card i {
    font-size: 2rem;
    color: #76c21b;
    margin-bottom: 20px;
}

.cta-box {
    background: #0a2540;
    border-radius: 48px;
    padding: 56px 40px;
    text-align: center;
    margin: 56px 0;
    color: white;
}

footer {
    border-top: 1px solid #eef2f8;
    padding: 40px 0;
    text-align: center;
    color: #6c7a8a;
}

/* OverseaClaw 站内导航与技能/更新页 */
.oc-nav-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px 20px;
}
.oc-nav-links a:not(.btn) {
    color: #2d3a4b;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
}
.oc-nav-links a:not(.btn):hover {
    color: #76c21b;
}
.oc-page-head {
    padding: 28px 32px 8px;
    max-width: 1280px;
    margin: 0 auto;
}
.oc-page-lead {
    color: #5a6874;
    max-width: 820px;
    line-height: 1.6;
}
.oc-page-lead code {
    background: #f0f4fa;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.9em;
}
.oc-breadcrumb {
    font-size: 0.9rem;
    margin-bottom: 12px;
}
.oc-breadcrumb a {
    color: #76c21b;
    text-decoration: none;
}
.oc-skill-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin: 0 0 8px;
}
.oc-skill-preview-card {
    display: block;
    background: #fff;
    border: 1px solid #ecf3fa;
    border-radius: 24px;
    padding: 22px 20px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s;
}
.oc-skill-preview-card:hover {
    transform: translateY(-4px);
    border-color: #c2d6ff;
    box-shadow: 0 16px 28px -12px rgba(10, 37, 64, 0.12);
}
.oc-skill-preview-card h4 {
    font-size: 1.1rem;
    margin: 10px 0 8px;
    color: #0a2540;
}
.oc-skill-preview-card p {
    font-size: 0.88rem;
    color: #6c7a8a;
    line-height: 1.45;
    margin-bottom: 12px;
}
.oc-skill-preview-id {
    font-size: 0.75rem;
    font-family: ui-monospace, monospace;
    color: #76c21b;
    font-weight: 600;
}
.oc-skill-page-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    padding: 16px 0 56px;
}
.oc-skill-page-card {
    background: #fff;
    border: 1px solid #ecf3fa;
    border-radius: 28px;
    padding: 26px 22px;
    display: flex;
    flex-direction: column;
}
.oc-skill-page-card-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.oc-skill-page-card-head i {
    font-size: 1.75rem;
    color: #76c21b;
}
.oc-skill-page-card h2 {
    font-size: 1.25rem;
    margin: 0 0 10px;
}
.oc-skill-page-card h2 a {
    color: #0a2540;
    text-decoration: none;
}
.oc-skill-page-card h2 a:hover {
    color: #76c21b;
}
.oc-skill-summary {
    color: #5a6874;
    font-size: 0.92rem;
    line-height: 1.55;
    flex: 1;
}
.oc-tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 14px 0;
}
.oc-tag {
    background: #f0f4fa;
    color: #3a546d;
    font-size: 0.78rem;
    padding: 4px 10px;
    border-radius: 20px;
}
.oc-skill-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #edf2f7;
}
.oc-detail-body {
    max-width: 720px;
    padding: 8px 32px 64px;
}
.oc-detail-h3 {
    font-size: 1.1rem;
    margin: 24px 0 12px;
    color: #0a2540;
}
.oc-detail-list {
    margin: 0;
    padding-left: 1.25rem;
    color: #4a5568;
    line-height: 1.65;
}
.oc-detail-list li {
    margin-bottom: 8px;
}
.oc-note {
    margin-top: 28px;
    font-size: 0.88rem;
    color: #8a9aaa;
    line-height: 1.5;
}
.oc-changelog {
    list-style: none;
    padding: 0 0 64px;
    margin: 0;
    max-width: 800px;
}
.oc-changelog-item {
    position: relative;
    padding: 28px 0 28px 24px;
    border-left: 3px solid #e2edff;
}
.oc-changelog-item:last-child {
    border-left-color: transparent;
}
.oc-changelog-meta time {
    display: block;
    font-size: 0.85rem;
    color: #76c21b;
    font-weight: 600;
    margin-bottom: 6px;
}
.oc-changelog-meta h2 {
    font-size: 1.35rem;
    margin: 0 0 12px;
    color: #0a2540;
}

/* 产品专区 /hub */
.oc-hub-hero {
    background: linear-gradient(135deg, #f8fafd 0%, #eef6ff 100%);
    border-bottom: 1px solid #e8eef5;
    padding: 40px 0 36px;
}
.oc-hub-kicker {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #76c21b;
    margin-bottom: 10px;
}
.oc-hub-title {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #0a2540;
    margin-bottom: 12px;
}
.oc-hub-lead {
    font-size: 1.08rem;
    color: #4a5568;
    max-width: 720px;
    line-height: 1.65;
}
.oc-hub-lead a {
    color: #76c21b;
    font-weight: 600;
    text-decoration: none;
}
.oc-hub-lead a:hover {
    text-decoration: underline;
}
.oc-hub-subnav-wrap {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #eef2f6;
    box-shadow: 0 4px 12px rgba(10, 37, 64, 0.04);
}
.oc-hub-subnav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    padding: 14px 0;
}
.oc-hub-subnav a {
    color: #3a546d;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 6px 0;
    border-bottom: 2px solid transparent;
}
.oc-hub-subnav a:hover {
    color: #76c21b;
    border-bottom-color: #c8e8a0;
}
.oc-hub-body {
    padding: 40px 32px 72px;
    max-width: 1280px;
}
.oc-hub-section {
    margin-bottom: 56px;
    scroll-margin-top: 88px;
}
.oc-hub-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0a2540;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.oc-hub-section-title i {
    color: #76c21b;
}
.oc-hub-section-intro {
    color: #6c7a8a;
    font-size: 0.95rem;
    margin-bottom: 24px;
    max-width: 800px;
    line-height: 1.55;
}
.oc-hub-columns {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}
.oc-hub-card {
    background: #fff;
    border: 1px solid #ecf3fa;
    border-radius: 24px;
    padding: 24px 22px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.oc-hub-card:hover {
    border-color: #d6e6ff;
    box-shadow: 0 12px 28px -14px rgba(10, 37, 64, 0.12);
}
.oc-hub-card-head {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
}
.oc-hub-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: #eff6ff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #76c21b;
    font-size: 1.2rem;
    flex-shrink: 0;
}
.oc-hub-card-head h3 {
    font-size: 1.12rem;
    color: #0a2540;
    margin: 4px 0 0;
    line-height: 1.35;
}
.oc-hub-card-p {
    font-size: 0.92rem;
    color: #5a6874;
    line-height: 1.6;
    margin-bottom: 12px;
}
.oc-hub-card-ul {
    margin: 0;
    padding-left: 1.15rem;
    font-size: 0.88rem;
    color: #4a5568;
    line-height: 1.55;
}
.oc-hub-card-ul li {
    margin-bottom: 8px;
}
.oc-hub-inline-cta {
    margin-top: 28px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.oc-hub-feed {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 820px;
}
.oc-hub-feed-item {
    background: #fafcff;
    border: 1px solid #e8eef5;
    border-radius: 20px;
    padding: 20px 22px;
}
.oc-hub-feed-meta time {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    color: #76c21b;
    margin-bottom: 6px;
}
.oc-hub-feed-meta h3 {
    font-size: 1.15rem;
    color: #0a2540;
    margin: 0 0 10px;
}
.oc-hub-feed-bullets {
    margin: 0;
    padding-left: 1.15rem;
    font-size: 0.9rem;
    color: #5a6874;
    line-height: 1.55;
}
.oc-hub-feed-bullets li {
    margin-bottom: 6px;
}
.oc-hub-more {
    margin-top: 20px;
}
.oc-hub-more a {
    color: #76c21b;
    font-weight: 600;
    text-decoration: none;
}
.oc-hub-more a:hover {
    text-decoration: underline;
}
.oc-hub-faq {
    max-width: 800px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.oc-hub-faq-item {
    background: #fff;
    border: 1px solid #ecf3fa;
    border-radius: 16px;
    padding: 0 18px;
}
.oc-hub-faq-item summary {
    cursor: pointer;
    font-weight: 600;
    color: #0a2540;
    padding: 16px 8px 16px 0;
    list-style: none;
    position: relative;
}
.oc-hub-faq-item summary::-webkit-details-marker {
    display: none;
}
.oc-hub-faq-item summary::after {
    content: "+";
    position: absolute;
    right: 4px;
    top: 14px;
    font-size: 1.25rem;
    color: #76c21b;
    font-weight: 400;
}
.oc-hub-faq-item[open] summary::after {
    content: "−";
}
.oc-hub-faq-a {
    padding: 0 8px 18px;
    font-size: 0.92rem;
    color: #5a6874;
    line-height: 1.65;
    border-top: 1px solid #f0f4fa;
    padding-top: 14px;
}
.oc-connect-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 18px;
}
.oc-connect-card {
    display: block;
    text-decoration: none;
    color: inherit;
    background: #fff;
    border: 1px solid #ecf3fa;
    border-radius: 22px;
    padding: 22px 20px;
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
a.oc-connect-card:hover {
    transform: translateY(-3px);
    border-color: #c2d6ff;
    box-shadow: 0 14px 28px -12px rgba(10, 37, 64, 0.14);
}
.oc-connect-card-static {
    cursor: default;
}
.oc-connect-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: #f0f7e8;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #76c21b;
    font-size: 1.25rem;
    margin-bottom: 14px;
}
.oc-connect-card h3 {
    font-size: 1.08rem;
    color: #0a2540;
    margin: 0 0 10px;
}
.oc-connect-card p {
    font-size: 0.88rem;
    color: #6c7a8a;
    line-height: 1.5;
    margin: 0 0 12px;
}
.oc-connect-go {
    font-size: 0.82rem;
    font-weight: 700;
    color: #76c21b;
}
.oc-connect-go.muted {
    color: #9cb0c4;
    font-weight: 600;
}

@media (max-width: 780px) {
    .container { padding: 0 24px; }
    .hero h1 { font-size: 2.3rem; }
    .service-overlay h3 { font-size: 1.4rem; }
    .skills-badge { font-size: 1.4rem; padding: 8px 24px; }
    .oc-nav-links { justify-content: flex-end; width: 100%; }
    .nav-container { flex-wrap: wrap; }
    .oc-hub-title { font-size: 1.85rem; }
    .oc-hub-body { padding-left: 24px; padding-right: 24px; }
    @keyframes breatheGlow {
        0%, 100% { box-shadow: 0 0 0 0 rgba(26, 76, 255, 0.2); }
        50% { box-shadow: 0 0 0 4px rgba(26, 76, 255, 0.35); }
    }
}