/*
Theme Name: oserp 软件站
Theme URI: https://oserp.net
Description: 专为 oserp.net 软件下载站设计的现代、响应式主题，适配「软件」自定义文章类型、层级式软件分类与下载链接。
Version: 1.0
Author: 小编
Requires at least: 6.0
Tested up to: 6.7
License: GPL-2.0-or-later
Text Domain: oserp-software-theme
*/

:root {
	--primary: #2563eb;
	--primary-dark: #1d4ed8;
	--primary-light: #eff4ff;
	--accent: #0ea5e9;
	--bg: #f4f6fb;
	--bg-soft: #eef2f9;
	--card: #ffffff;
	--text: #1f2937;
	--muted: #6b7280;
	--border: #e5e7eb;
	--radius: 14px;
	--radius-sm: 9px;
	--shadow: 0 1px 3px rgba(16,24,40,.06), 0 6px 18px rgba(16,24,40,.05);
	--shadow-lg: 0 10px 30px rgba(16,24,40,.10);
	--maxw: 1180px;
	--font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
	margin: 0;
	font-family: var(--font);
	color: var(--text);
	background: var(--bg);
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; height: auto; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- Top bar ---------- */
.site-header {
	background: linear-gradient(135deg, var(--primary-dark), var(--primary) 55%, var(--accent));
	color: #fff;
	position: sticky;
	top: 0;
	z-index: 50;
	box-shadow: 0 2px 14px rgba(16,24,40,.12);
}
.site-header a { color: #fff; }
.header-inner {
	display: flex;
	align-items: center;
	gap: 18px;
	height: 66px;
}
.site-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 21px; letter-spacing: .3px; }
.site-logo .logo-mark {
	width: 36px; height: 36px; border-radius: 9px;
	background: rgba(255,255,255,.18);
	display: grid; place-items: center; font-size: 20px;
}
.site-logo:hover { color: #fff; }

/* nav */
.main-nav { margin-left: auto; }
.main-nav ul { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; }
.main-nav a {
	padding: 8px 13px; border-radius: 8px; font-weight: 600; font-size: 14.5px;
	opacity: .92;
}
.main-nav a:hover { background: rgba(255,255,255,.16); opacity: 1; }

.header-search { position: relative; }
.header-search input {
	border: 0; border-radius: 999px; padding: 9px 16px 9px 38px;
	width: 210px; font-size: 14px; outline: none; background: rgba(255,255,255,.95); color: var(--text);
}
.header-search svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.header-search input::placeholder { color: #9aa3b2; }

.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 24px; cursor: pointer; margin-left: auto; }

/* ---------- Hero ---------- */
.hero {
	background:
		radial-gradient(1200px 400px at 20% -10%, rgba(255,255,255,.18), transparent),
		linear-gradient(135deg, var(--primary-dark), var(--primary) 55%, var(--accent));
	color: #fff; padding: 56px 0 64px;
}
.hero h1 { font-size: clamp(28px, 4vw, 42px); margin: 0 0 12px; font-weight: 800; letter-spacing: .2px; }
.hero p { font-size: 17px; opacity: .92; margin: 0 0 26px; max-width: 620px; }
.hero-search {
	display: flex; gap: 10px; max-width: 620px;
	background: #fff; padding: 8px; border-radius: 999px; box-shadow: var(--shadow-lg);
}
.hero-search input {
	flex: 1; border: 0; outline: none; padding: 12px 18px; font-size: 16px; border-radius: 999px; color: var(--text);
}
.hero-search button {
	border: 0; background: var(--primary); color: #fff; font-weight: 700; font-size: 15px;
	padding: 0 26px; border-radius: 999px; cursor: pointer; transition: background .15s;
}
.hero-search button:hover { background: var(--primary-dark); }

/* platform chips */
.platforms { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 10px; }
.platforms a {
	background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.28);
	padding: 8px 16px; border-radius: 999px; font-weight: 600; font-size: 14px; backdrop-filter: blur(4px);
}
.platforms a:hover { background: rgba(255,255,255,.28); color: #fff; }

/* ---------- Sections ---------- */
.section { padding: 46px 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 22px; }
.section-head h2 { font-size: 24px; margin: 0; font-weight: 800; }
.section-head h2 .accent { color: var(--primary); }
.section-head .more { font-size: 14px; font-weight: 600; }

/* ---------- Software grid ---------- */
.software-grid {
	display: grid; gap: 20px;
	grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.soft-card {
	background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
	overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column;
	transition: transform .18s ease, box-shadow .18s ease;
}
.soft-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.soft-thumb {
	aspect-ratio: 16/10; background: var(--bg-soft); position: relative; overflow: hidden;
	display: grid; place-items: center;
}
.soft-thumb img { width: 100%; height: 100%; object-fit: cover; }
.soft-thumb .ph {
	width: 64px; height: 64px; border-radius: 14px; background: var(--primary-light); color: var(--primary);
	display: grid; place-items: center; font-size: 30px; font-weight: 800;
}
.soft-body { padding: 15px 16px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.soft-cat {
	font-size: 12px; font-weight: 700; color: var(--primary); background: var(--primary-light);
	padding: 3px 10px; border-radius: 999px; align-self: flex-start;
}
.soft-title { font-size: 16.5px; font-weight: 700; margin: 0; line-height: 1.35; }
.soft-title a { color: var(--text); }
.soft-title a:hover { color: var(--primary); }
.soft-excerpt { font-size: 13.5px; color: var(--muted); margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.soft-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; padding-top: 6px; }
.soft-date { font-size: 12px; color: #9aa3b2; }
.btn {
	display: inline-flex; align-items: center; gap: 7px; font-weight: 700; font-size: 14px;
	padding: 9px 16px; border-radius: 10px; cursor: pointer; border: 0; transition: background .15s, transform .1s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-ghost { background: var(--bg-soft); color: var(--primary); }
.btn-ghost:hover { background: var(--primary-light); color: var(--primary-dark); }
.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: 12px; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { font-size: 13.5px; color: var(--muted); padding: 18px 0 0; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span.sep { margin: 0 8px; color: #cbd2dc; }

/* ---------- Archive layout ---------- */
.archive-head { padding: 30px 0 8px; }
.archive-head h1 { font-size: 30px; margin: 0 0 6px; font-weight: 800; }
.archive-head .count { color: var(--muted); font-size: 14px; }
.layout { display: grid; grid-template-columns: 1fr 280px; gap: 30px; align-items: start; }
.sidebar { position: sticky; top: 86px; }
.widget {
	background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
	padding: 18px; margin-bottom: 20px; box-shadow: var(--shadow);
}
.widget h3 { margin: 0 0 14px; font-size: 16px; font-weight: 800; }
.widget ul { list-style: none; margin: 0; padding: 0; }
.widget li { margin: 0; }
.widget li a {
	display: flex; justify-content: space-between; align-items: center; gap: 8px;
	padding: 9px 11px; border-radius: 9px; color: var(--text); font-size: 14px; font-weight: 600;
}
.widget li a:hover { background: var(--bg-soft); color: var(--primary); }
.widget li a .n { font-size: 12px; color: var(--muted); background: var(--bg-soft); padding: 1px 8px; border-radius: 999px; }

/* category tree */
.cat-tree { font-size: 14px; }
.cat-tree .parent > a { font-weight: 800; }
.cat-tree .parent { padding: 6px 0; border-bottom: 1px dashed var(--border); }
.cat-tree .children { margin: 6px 0 4px; padding-left: 12px; }
.cat-tree .children a { font-weight: 600; padding: 6px 10px; }

/* ---------- Single software ---------- */
.single-wrap { padding: 26px 0 50px; }
.single-card {
	background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
	box-shadow: var(--shadow); overflow: hidden;
}
.single-top { display: grid; grid-template-columns: 200px 1fr; gap: 26px; padding: 26px; }
.single-logo {
	width: 100%; aspect-ratio: 1/1; border-radius: 16px; background: var(--bg-soft);
	display: grid; place-items: center; overflow: hidden; border: 1px solid var(--border);
}
.single-logo img { width: 100%; height: 100%; object-fit: contain; padding: 12px; }
.single-logo .ph { font-size: 56px; font-weight: 800; color: var(--primary); background: var(--primary-light); width: 100%; height: 100%; display: grid; place-items: center; }
.single-meta h1 { font-size: 28px; margin: 0 0 8px; font-weight: 800; }
.single-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 14px; }
.single-tags .tag { font-size: 12.5px; font-weight: 700; color: var(--primary); background: var(--primary-light); padding: 4px 11px; border-radius: 999px; }
.single-dl { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 6px; }
.single-dl .note { font-size: 13px; color: var(--muted); }
.single-body { padding: 6px 26px 28px; }
.single-body h2 { font-size: 20px; margin: 26px 0 12px; font-weight: 800; }
.single-body p { margin: 0 0 14px; }
.single-body img { border-radius: 10px; margin: 14px 0; }

.spec-table { width: 100%; border-collapse: collapse; margin: 8px 0 4px; }
.spec-table th, .spec-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
.spec-table th { color: var(--muted); font-weight: 600; width: 140px; }

.related { padding: 8px 0 50px; }

/* ---------- Pagination ---------- */
.pagination { display: flex; gap: 8px; justify-content: center; margin: 34px 0 10px; flex-wrap: wrap; }
.pagination a, .pagination span {
	padding: 9px 15px; border-radius: 9px; background: var(--card); border: 1px solid var(--border);
	font-weight: 600; font-size: 14px; color: var(--text);
}
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination a:hover { border-color: var(--primary); color: var(--primary); }

/* ---------- Footer ---------- */
.site-footer { background: #0f172a; color: #cbd5e1; margin-top: 30px; padding: 44px 0 26px; }
.site-footer a { color: #cbd5e1; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; }
.footer-grid h4 { color: #fff; font-size: 15px; margin: 0 0 14px; font-weight: 800; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin: 0 0 9px; font-size: 14px; }
.footer-about p { font-size: 14px; line-height: 1.7; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); margin-top: 30px; padding-top: 18px; font-size: 13px; color: #94a3b8; text-align: center; }

/* ---------- Search results ---------- */
.search-head { padding: 30px 0 6px; }
.search-head h1 { font-size: 26px; margin: 0 0 6px; }
.empty { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; text-align: center; color: var(--muted); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
	.layout { grid-template-columns: 1fr; }
	.sidebar { position: static; }
	.footer-grid { grid-template-columns: 1fr 1fr; }
	.single-top { grid-template-columns: 130px 1fr; gap: 18px; padding: 18px; }
}
@media (max-width: 720px) {
	.main-nav, .header-search { display: none; }
	.nav-toggle { display: block; }
	.main-nav.open { display: block; position: absolute; top: 66px; left: 0; right: 0; background: var(--primary-dark); padding: 10px 20px; }
	.main-nav.open ul { flex-direction: column; }
	.hero-search { flex-direction: column; border-radius: 16px; }
	.hero-search input { border-radius: 10px; }
	.hero-search button { padding: 12px; border-radius: 10px; }
	.single-top { grid-template-columns: 1fr; text-align: center; }
	.single-logo { width: 140px; margin: 0 auto; }
	.single-tags, .single-dl { justify-content: center; }
	.footer-grid { grid-template-columns: 1fr; }
}