/* 超然信 AI 介绍 / 对接文档页 */

.crx-ai-page {
    /* 与功能页一致：.crx-page-body 已提供 nav+2rem，不再额外加顶距 */
    padding: 0 0 4rem;
}

.crx-ai-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero */
.crx-ai-hero {
    background: linear-gradient(135deg, #4B8CF8 0%, #6EA7FF 55%, #007AFF 100%);
    color: #fff;
    padding: 3.5rem 2rem 3.25rem;
    text-align: center;
    border-radius: 20px;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.crx-ai-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="%23ffffff08" points="0,1000 1000,0 1000,1000"/></svg>');
    background-size: cover;
}

.crx-ai-hero-inner {
    position: relative;
    z-index: 1;
}

.crx-ai-brand {
    font-size: clamp(2rem, 5vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.crx-ai-hero h1 {
    font-size: clamp(1.25rem, 3vw, 1.55rem);
    font-weight: 600;
    opacity: 0.96;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.crx-ai-hero-lead {
    max-width: 640px;
    margin: 0 auto 1.75rem;
    font-size: 1.05rem;
    line-height: 1.7;
    opacity: 0.9;
}

.crx-ai-hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.crx-ai-hero-cta .crx-btn {
    min-height: 46px;
    padding: 0.7rem 1.4rem;
    font-weight: 600;
}

.crx-ai-hero-cta .crx-btn-on-hero {
    background: #fff;
    color: #007AFF;
    border: none;
}

.crx-ai-hero-cta .crx-btn-on-hero:hover {
    background: rgba(255, 255, 255, 0.92);
    color: #0056CC;
}

.crx-ai-hero-cta .crx-btn-ghost-hero {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.65);
}

.crx-ai-hero-cta .crx-btn-ghost-hero:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
}

.crx-ai-hero .crx-ai-inline-code {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

/* Cards */
.crx-ai-card {
    background: #fff;
    border-radius: 18px;
    padding: 2.25rem 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 122, 255, 0.1);
    margin-bottom: 1.5rem;
}

.crx-ai-card h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111;
    margin-bottom: 1.5rem;
    text-align: center;
    position: relative;
    padding-bottom: 0.85rem;
}

.crx-ai-card h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 56px;
    height: 3px;
    background: linear-gradient(135deg, #4B8CF8 0%, #6EA7FF 100%);
    border-radius: 2px;
}

.crx-ai-card h3 {
    font-size: 1.15rem;
    font-weight: 650;
    color: #222;
    margin: 1.75rem 0 0.75rem;
}

.crx-ai-card h3:first-of-type {
    margin-top: 0.25rem;
}

.crx-ai-card p,
.crx-ai-card li {
    color: #4b5563;
    line-height: 1.7;
    font-size: 0.98rem;
}

.crx-ai-card p + p {
    margin-top: 0.75rem;
}

/* Feature grid */
.crx-ai-feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.crx-ai-feature {
    padding: 1.25rem 1.1rem;
    border-radius: 14px;
    background: #F7F8F9;
    border: 1px solid rgba(0, 122, 255, 0.08);
}

.crx-ai-feature strong {
    display: block;
    color: #111;
    font-size: 1.02rem;
    margin-bottom: 0.45rem;
}

.crx-ai-feature p {
    margin: 0;
    font-size: 0.92rem;
    color: #6B7280;
}

/* Steps */
.crx-ai-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    counter-reset: crx-ai-step;
}

.crx-ai-step {
    position: relative;
    padding: 1.25rem 1.1rem 1.25rem 1.15rem;
    border-radius: 14px;
    background: linear-gradient(180deg, #f8fbff 0%, #fff 100%);
    border: 1px solid rgba(75, 140, 248, 0.18);
}

.crx-ai-step::before {
    counter-increment: crx-ai-step;
    content: counter(crx-ai-step);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4B8CF8, #007AFF);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.crx-ai-step strong {
    display: block;
    color: #111;
    margin-bottom: 0.4rem;
}

.crx-ai-step p {
    margin: 0;
    font-size: 0.9rem;
    color: #6B7280;
}

/* Dual entry cards */
.crx-ai-entry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.crx-ai-entry {
    display: flex;
    flex-direction: column;
    padding: 1.75rem 1.5rem;
    border-radius: 16px;
    background: #fff;
    border: 1px solid rgba(0, 122, 255, 0.14);
    box-shadow: 0 8px 24px rgba(0, 122, 255, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-decoration: none;
    color: inherit;
}

.crx-ai-entry-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    object-fit: cover;
    margin-bottom: 0.85rem;
    background: #F7F8F9;
}

.crx-ai-hero-icon {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    object-fit: cover;
    margin: 0 auto 1.1rem;
    display: block;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    background: rgba(255, 255, 255, 0.2);
}

.crx-ai-entry:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 32px rgba(0, 122, 255, 0.12);
    border-color: rgba(0, 122, 255, 0.28);
}

.crx-ai-entry-tag {
    display: inline-flex;
    align-self: flex-start;
    font-size: 0.75rem;
    font-weight: 650;
    letter-spacing: 0.04em;
    color: #0056CC;
    background: rgba(0, 122, 255, 0.1);
    padding: 0.28rem 0.7rem;
    border-radius: 999px;
    margin-bottom: 0.85rem;
}

.crx-ai-entry h3 {
    margin: 0 0 0.55rem;
    font-size: 1.25rem;
    color: #111;
}

.crx-ai-entry p {
    flex: 1;
    margin: 0 0 1.1rem;
    color: #6B7280;
    font-size: 0.95rem;
    line-height: 1.65;
}

.crx-ai-entry-link {
    color: #007AFF;
    font-weight: 650;
    font-size: 0.95rem;
}

/* Notice / safety */
.crx-ai-notice {
    background: #F0F6FF;
    border: 1px solid rgba(0, 122, 255, 0.18);
    border-radius: 14px;
    padding: 1.15rem 1.25rem;
    color: #334155;
    font-size: 0.95rem;
    line-height: 1.65;
}

.crx-ai-notice strong {
    color: #0056CC;
}

.crx-ai-notice ul {
    margin: 0.65rem 0 0;
    padding-left: 1.15rem;
}

.crx-ai-notice li {
    margin-bottom: 0.35rem;
    color: #475569;
}

.crx-ai-muted {
    color: #6B7280 !important;
    font-size: 0.92rem !important;
}

/* Doc subnav */
.crx-ai-doc-nav {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 0.35rem 0 1.25rem;
    margin-bottom: 0.25rem;
    scrollbar-width: thin;
}

.crx-ai-doc-nav a {
    flex: 0 0 auto;
    white-space: nowrap;
    text-decoration: none;
    color: #475569;
    font-size: 0.9rem;
    font-weight: 550;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    background: #fff;
    border: 1px solid rgba(0, 122, 255, 0.14);
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.crx-ai-doc-nav a:hover,
.crx-ai-doc-nav a.is-active {
    color: #007AFF;
    border-color: rgba(0, 122, 255, 0.35);
    background: #F0F6FF;
}

.crx-ai-doc-switch {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.crx-ai-doc-switch a {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    color: #475569;
    background: #fff;
    border: 1px solid rgba(0, 122, 255, 0.16);
}

.crx-ai-doc-switch a.is-active {
    color: #fff;
    background: linear-gradient(135deg, #4B8CF8, #007AFF);
    border-color: transparent;
}

/* Doc body */
.crx-ai-doc section {
    scroll-margin-top: calc(var(--crx-nav-height, 72px) + 16px);
}

.crx-ai-doc .crx-ai-card + .crx-ai-card {
    margin-top: 0;
}

.crx-ai-table-wrap {
    overflow-x: auto;
    margin: 1rem 0 0.5rem;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

.crx-ai-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    min-width: 480px;
}

.crx-ai-table th,
.crx-ai-table td {
    padding: 0.85rem 1rem;
    text-align: left;
    border-bottom: 1px solid #eef2f7;
    vertical-align: top;
}

.crx-ai-table th {
    background: linear-gradient(135deg, #4B8CF8 0%, #6EA7FF 100%);
    color: #fff;
    font-weight: 600;
}

.crx-ai-table tr:last-child td {
    border-bottom: none;
}

.crx-ai-table tr:nth-child(even) td {
    background: #f8fafc;
}

.crx-ai-table code {
    font-size: 0.85em;
    background: rgba(0, 122, 255, 0.08);
    color: #0056CC;
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
}

/* Code blocks */
.crx-ai-code {
    margin: 0.85rem 0 1.1rem;
    border-radius: 12px;
    background: #0f172a;
    color: #e2e8f0;
    overflow-x: auto;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.82rem;
    line-height: 1.6;
}

.crx-ai-code pre {
    margin: 0;
    padding: 1rem 1.1rem;
    white-space: pre;
}

.crx-ai-code code {
    background: none;
    color: inherit;
    padding: 0;
    font-size: inherit;
}

.crx-ai-inline-code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.86em;
    background: rgba(0, 122, 255, 0.08);
    color: #0056CC;
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
}

.crx-ai-olist,
.crx-ai-ulist {
    margin: 0.5rem 0 0;
    padding-left: 1.25rem;
}

.crx-ai-olist li,
.crx-ai-ulist li {
    margin-bottom: 0.45rem;
}

.crx-ai-links a {
    color: #007AFF;
    text-decoration: none;
    font-weight: 550;
}

.crx-ai-links a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .crx-ai-page {
        padding: 0 0 3rem;
    }

    .crx-ai-container {
        padding: 0 1.15rem;
    }

    .crx-ai-hero {
        padding: 2.5rem 1.25rem 2.25rem;
        border-radius: 16px;
    }

    .crx-ai-card {
        padding: 1.5rem 1.2rem;
        border-radius: 14px;
    }

    .crx-ai-hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .crx-ai-hero-cta .crx-btn {
        text-align: center;
        justify-content: center;
    }
}