/*
Theme Name: Chronicle Pro
Description: 一个融合了复古油墨感与现代网页交互的先锋报刊主题。
Version: 2.0
Author: Gemini
*/

:root {
    --bg-paper: #f4f1ea; /* 复古纸张色 */
    --ink-black: #1a1a1a;
    --accent-red: #ff3b30;
    --border-thick: 3px solid var(--ink-black);
    --border-thin: 1px solid var(--ink-black);
    --font-serif: "Playfair Display", "Georgia", serif;
    --font-sans: "Inter", "Helvetica Neue", sans-serif;
    --card-shadow: 6px 6px 0px var(--ink-black);
}

* { box-sizing: border-box; }

body {
    background-color: var(--bg-paper);
    color: var(--ink-black);
    font-family: var(--font-sans);
    margin: 0;
    line-height: 1.7;
    overflow-x: hidden;
}

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

/* === 顶部报头 (Masthead) === */
.masthead {
    padding: 40px 20px;
    border-bottom: var(--border-thick);
    text-align: center;
    position: relative;
    background: #fff;
}
.masthead-meta {
    font-family: var(--font-sans);
    font-weight: bold;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 2px;
    margin-bottom: 10px;
    display: block;
}
.site-title {
    font-family: var(--font-serif);
    font-size: 5rem;
    font-weight: 900;
    line-height: 1;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: -2px;
    text-shadow: 4px 4px 0 rgba(0,0,0,0.1);
}
.site-nav {
    margin-top: 20px;
    border-top: var(--border-thin);
    padding-top: 15px;
    display: flex;
    justify-content: center;
    gap: 30px;
    font-weight: 700;
    text-transform: uppercase;
}
.site-nav a:hover { text-decoration: underline; text-decoration-color: var(--accent-red); text-decoration-thickness: 3px; }

/* === 首页网格布局 === */
.container { max-width: 1200px; margin: 0 auto; padding: 40px 20px; }

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* 文章卡片设计 */
.news-card {
    background: #fff;
    border: var(--border-thick);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.news-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: var(--card-shadow);
}

/* 头条样式：让第一篇文章横跨两列 (如果屏幕够宽) */
@media (min-width: 768px) {
    .news-card:first-child {
        grid-column: span 2;
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
    .news-card:first-child .card-image { height: 100%; border-bottom: none; border-right: var(--border-thick); }
}

.card-image {
    height: 200px;
    overflow: hidden;
    border-bottom: var(--border-thick);
    background: #000;
}
.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.2); /* 默认黑白 */
    transition: filter 0.4s ease, transform 0.5s ease;
}
.news-card:hover .card-image img {
    filter: grayscale(0%); /* 悬停变彩 */
    transform: scale(1.05);
}

.card-content { padding: 20px; display: flex; flex-direction: column; justify-content: center; }
.card-cat {
    font-size: 0.75rem;
    font-weight: 900;
    color: var(--accent-red);
    text-transform: uppercase;
    margin-bottom: 8px;
}
.card-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    margin: 0 0 10px 0;
    line-height: 1.1;
}
.card-excerpt { font-size: 0.95rem; color: #555; margin-bottom: 20px; }

/* === 文章内页 === */
.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 50px;
}
.article-header { margin-bottom: 40px; border-bottom: var(--border-thick); padding-bottom: 20px; }
.article-title { font-family: var(--font-serif); font-size: 3.5rem; margin-bottom: 10px; line-height: 1.1; }
.article-meta { font-family: var(--font-sans); color: #666; font-style: italic; }

.article-content { font-size: 1.15rem; font-family: "Georgia", serif; }
.article-content p:first-of-type::first-letter {
    float: left;
    font-size: 5rem;
    line-height: 0.8;
    padding-right: 15px;
    font-family: var(--font-serif);
    font-weight: 900;
}
.article-content img { max-width: 100%; border: var(--border-thick); padding: 5px; background: #fff; }
.article-content blockquote {
    border-left: 5px solid var(--accent-red);
    margin: 30px 0;
    padding-left: 20px;
    font-size: 1.4rem;
    font-family: var(--font-serif);
    font-style: italic;
}

/* === 侧边栏 & 底部 === */
.sidebar-widget {
    border: var(--border-thick);
    padding: 20px;
    margin-bottom: 30px;
    background: #fff;
    box-shadow: 4px 4px 0 #ccc;
}
.widget-title {
    background: var(--ink-black);
    color: #fff;
    padding: 5px 10px;
    margin: -20px -20px 20px -20px;
    font-family: var(--font-sans);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.site-footer {
    background: var(--ink-black);
    color: #fff;
    padding: 50px 0;
    text-align: center;
    margin-top: 50px;
    border-top: 5px solid var(--accent-red);
}

/* === 404 页面特别样式 === */
.error-page {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background-image: radial-gradient(#ccc 1px, transparent 1px);
    background-size: 20px 20px;
}
.error-code {
    font-size: 12rem;
    font-weight: 900;
    font-family: var(--font-serif);
    line-height: 1;
    position: relative;
}
.error-code::after {
    content: "MISSING";
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) rotate(-15deg);
    font-size: 3rem;
    color: var(--accent-red);
    border: 4px solid var(--accent-red);
    padding: 5px 20px;
    mix-blend-mode: multiply;
}

/* 响应式 */
@media (max-width: 768px) {
    .site-title { font-size: 3rem; }
    .article-layout { grid-template-columns: 1fr; }
    .news-card:first-child { grid-column: auto; display: flex; }
    .news-card:first-child .card-image { border-right: none; border-bottom: var(--border-thick); height: 200px; }
}