/* 内蒙古壹联网络科技有限公司提供技术支持 */
@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;600;700;800&family=Noto+Sans+SC:wght@400;500;700&display=swap");

:root {
    --primary: #14b8a6;
    --secondary: #f0fdfa;
    --accent: #0f766e;
    --text: #0f172a;
    --muted: #475569;
    --card: #ffffff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--text);
    font-family: "Noto Sans SC", "Manrope", sans-serif;
    background: radial-gradient(circle at top right, #ecfeff 0%, #f8fafc 45%, #ffffff 100%);
    overflow-x: hidden;
}

img,
video,
iframe {
    max-width: 100%;
    height: auto;
}

.container {
    width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;
}

.hero {
    background: linear-gradient(130deg, var(--secondary) 0%, #ffffff 60%, #ecfeff 100%);
    padding-bottom: 3.5rem;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0;
}

.brand {
    font-family: "Manrope", sans-serif;
    font-weight: 800;
    font-size: 1.1rem;
}

.brand img {
    width: 120px;
    max-height: 42px;
    object-fit: contain;
    display: block;
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: inline-block;
    background: radial-gradient(circle at 30% 30%, #7dd3fc 0%, var(--primary) 55%, var(--accent) 100%);
    box-shadow: 0 10px 24px rgba(20, 184, 166, 0.28);
}

.nav-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

a {
    color: inherit;
    text-decoration: none;
}

.nav-links a {
    color: var(--muted);
}

.admin-link {
    padding: 0.45rem 0.9rem;
    border: 1px solid #d1d5db;
    border-radius: 999px;
}

.hero-content {
    padding: 3.5rem 0 1rem;
    max-width: 760px;
}

.tagline {
    display: inline-block;
    background: #ffffff;
    border: 1px solid #d1fae5;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    color: var(--accent);
    font-weight: 700;
}

h1 {
    font-family: "Manrope", sans-serif;
    margin: 1rem 0 0.8rem;
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.15;
}

.hero-content p {
    color: var(--muted);
    font-size: 1.05rem;
}

.hero-image {
    width: min(720px, 100%);
    margin-top: 1.2rem;
    border-radius: 18px;
    border: 1px solid #dbeafe;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

.cta {
    margin-top: 1rem;
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 0.75rem 1.3rem;
    border-radius: 999px;
    font-weight: 700;
}

.section {
    padding: 3rem 0;
}

.split {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 1.05fr 1fr;
}

.feature-grid {
    display: grid;
    gap: 0.8rem;
}

.feature-grid article,
.article-card,
.custom-block {
    background: var(--card);
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    padding: 1rem 1.1rem;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.article-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.article-card img,
.cover {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 0.7rem;
}

.article-card h3 {
    margin: 0.3rem 0;
}

.article-card p,
.contact p {
    color: var(--muted);
}

.about-image {
    margin-top: 1rem;
    width: 100%;
    border-radius: 14px;
    border: 1px solid #dbeafe;
}

.scene-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.scene-grid img {
    width: 100%;
    border-radius: 14px;
    border: 1px solid #dbeafe;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.custom-html {
    padding-top: 1rem;
}

.contact {
    margin-bottom: 2rem;
}

footer {
    border-top: 1px solid #e2e8f0;
    color: #64748b;
    padding: 1.2rem 0;
}

.article-page {
    padding: 2rem 0 4rem;
    max-width: 900px;
}

.back-link {
    color: var(--accent);
    font-weight: 700;
}

.meta {
    color: #64748b;
}

.article-content {
    line-height: 1.85;
    overflow-wrap: anywhere;
}

.article-content table {
    display: block;
    width: 100%;
    overflow-x: auto;
    border-collapse: collapse;
}

.article-content pre {
    overflow-x: auto;
    background: #0f172a;
    color: #e2e8f0;
    border-radius: 10px;
    padding: 0.85rem;
}

@media (max-width: 860px) {
    .split {
        grid-template-columns: 1fr;
    }
    .hero-content {
        padding-top: 2rem;
    }
}

@media (max-width: 640px) {
    .container {
        width: calc(100% - 1.2rem);
    }

    .article-page {
        padding: 1rem 0 2.2rem;
    }

    h1 {
        font-size: clamp(1.55rem, 7.2vw, 2.1rem);
    }
}