@charset "UTF-8";
/* ==========================================================================
   cilizhinan.com 磁力指南 - 前端样式
   深色科技风，版式相近参考站但配色独立（不雷同），
   手写原子/组件样式，零构建、零 JS 依赖，与 PHP SSR 直出模板配合使用。
   ========================================================================== */

:root {
    --bg:            #0b1220;
    --bg-2:          #172554;
    --fg:            #f8fafc;
    --slate-300:     #cbd5e1;
    --slate-400:     #94a3b8;
    --slate-500:     #64748b;
    --slate-600:     #475569;
    --slate-700:     #334155;
    --slate-800:     #1e293b;
    --purple-300:    #bae6fd;
    --purple-400:    #7dd3fc;
    --purple-500:    #38bdf8;
    --purple-600:    #0284c7;
    --pink-400:      #818cf8;
    --pink-500:      #6366f1;
    --pink-600:      #4f46e5;
    --card-bg:       rgba(15, 23, 42, .45);
    --card-bg-2:     rgba(15, 23, 42, .65);
    --line:          rgba(51, 65, 85, .50);
    --radius-sm:     .5rem;
    --radius:        .75rem;
    --radius-lg:     1rem;
}

*, *::before, *::after { box-sizing: border-box; }

html {
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
        "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@media (prefers-color-scheme: dark) {
    body { background: linear-gradient(135deg, #0f172a, #1e1b4b, #0f172a); }
}

h1, h2, h3, h4 { margin: 0; font-size: inherit; font-weight: inherit; }
p, ul, ol, dl, dd, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: all .2s ease; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
input { font: inherit; }
:focus-visible { outline: 2px solid var(--purple-500); outline-offset: 2px; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: rgba(30, 41, 59, .5); }
::-webkit-scrollbar-thumb { background: rgba(139, 92, 246, .5); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(139, 92, 246, .7); }

.app-shell { min-height: 100vh; background: linear-gradient(135deg, #0f172a, #1e1b4b, #0f172a); }

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 1rem; }

.sr-only, .skip-link {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link:focus {
    position: fixed; top: .5rem; left: .5rem; width: auto; height: auto;
    margin: 0; padding: .5rem 1rem; clip: auto; z-index: 100;
    background: var(--purple-500); color: #fff; border-radius: var(--radius-sm);
}

.gradient-text {
    background: linear-gradient(135deg, var(--purple-500), var(--pink-500));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.card-hover { transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.card-hover:hover { transform: translateY(-4px); box-shadow: 0 12px 24px -8px rgba(139, 92, 246, .35); }

/* ==================== 顶栏 ==================== */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(15, 23, 42, .88);
    -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    display: flex; flex-direction: column; align-items: center; gap: .75rem;
    padding: .75rem 0;
}
.logo { display: flex; align-items: center; gap: .75rem; }
.logo-mark {
    width: 2.5rem; height: 2.5rem; border-radius: var(--radius);
    background: linear-gradient(135deg, var(--purple-500), var(--pink-500));
    display: flex; align-items: center; justify-content: center;
    font-size: 1.25rem; box-shadow: 0 10px 15px -3px rgba(0, 0, 0, .3);
}
.logo-text { display: flex; flex-direction: column; }
.logo-title {
    font-size: 1.25rem; font-weight: 700; line-height: 1.25;
    background: linear-gradient(90deg, var(--purple-400), var(--pink-400));
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
}
.logo-sub { font-size: .75rem; color: var(--slate-400); }

.search-box { position: relative; width: 100%; max-width: 42rem; }
.search-input {
    width: 100%; padding: .75rem 6rem .75rem 3.5rem;
    background: rgba(30, 41, 59, .8);
    border: 1px solid var(--slate-600); border-radius: var(--radius-lg);
    color: #fff; box-shadow: 0 20px 25px -5px rgba(0, 0, 0, .25);
    transition: all .2s ease;
}
.search-input::placeholder { color: var(--slate-400); }
.search-input:focus { outline: none; border-color: var(--purple-500); box-shadow: 0 0 0 2px rgba(56, 189, 248, .5); }
.search-ico {
    position: absolute; left: 1.25rem; top: 50%; transform: translateY(-50%);
    color: var(--slate-400); pointer-events: none;
}
.search-box:focus-within .search-ico { color: var(--purple-400); }
.search-btn {
    position: absolute; right: .5rem; top: 50%; transform: translateY(-50%);
    padding: .375rem 1.25rem; border-radius: var(--radius);
    background: linear-gradient(90deg, var(--purple-500), var(--pink-500));
    color: #fff; font-weight: 500; box-shadow: 0 10px 15px -3px rgba(0, 0, 0, .3);
}
.search-btn:hover { background: linear-gradient(90deg, var(--purple-600), var(--pink-600)); }
.search-btn:active { transform: translateY(-50%) scale(.98); }

.hot-terms { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: .5rem; }
.hot-label { font-size: .875rem; color: var(--slate-400); }
.hot-term {
    padding: .25rem .75rem; font-size: .75rem; border-radius: 9999px;
    background: rgba(30, 41, 59, .6); border: 1px solid var(--line); color: var(--slate-300);
}
.hot-term:hover { background: rgba(51, 65, 85, .8); border-color: rgba(56, 189, 248, .5); color: var(--purple-300); }

/* ==================== 分区导航 ==================== */
.tab-nav {
    position: sticky; top: 0; z-index: 40;
    background: rgba(30, 41, 59, .8);
    -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, .1);
}
.tab-inner { display: flex; justify-content: center; gap: .25rem; overflow-x: auto; }
.tab-btn {
    display: block; padding: .75rem 1.5rem; font-size: .875rem; font-weight: 500;
    color: var(--slate-400); border: 0; border-bottom: 2px solid transparent;
    background: none; font-family: inherit; cursor: pointer; white-space: nowrap;
}
.tab-btn:hover { color: var(--purple-300); }
.tab-btn.active { color: var(--purple-300); border-bottom-color: var(--purple-500); }
/* 页签面板：有 JS 时仅显示激活面板；无 JS（.js 类未加）时全部展开，利于抓取 */
.tab-panels { margin-top: 1.5rem; }
.js .tab-panel { display: none; }
.js .tab-panel.active { display: block; }

/* ==================== 主体 ==================== */
.page-main { padding-top: 1.5rem; padding-bottom: 2rem; }

.hero-intro { text-align: center; padding: 1rem 0 1.5rem; }
.hero-title { font-size: 1.75rem; font-weight: 700; line-height: 1.3; }
.hero-sub { margin-top: .5rem; font-size: .875rem; color: var(--slate-400); }
@media (min-width: 768px) { .hero-title { font-size: 2.25rem; } }

.content-section { margin-bottom: 3rem; scroll-margin-top: 4.5rem; }
.sec-head { text-align: center; margin-bottom: 1.5rem; }
.sec-title { font-size: 1.5rem; font-weight: 700; margin-bottom: .5rem; text-align: center; }
.sec-page { font-size: .875rem; color: var(--slate-400); margin-left: .5rem; font-weight: 400; }
.sec-sub { font-size: .875rem; color: var(--slate-400); }
.sec-more { margin-top: 1.5rem; text-align: center; }

.btn-more {
    display: inline-block; margin: .25rem; padding: .5rem 1.25rem;
    border-radius: 9999px; font-size: .875rem;
    background: rgba(30, 41, 59, .6); border: 1px solid var(--line); color: var(--purple-300);
}
.btn-more:hover { background: rgba(51, 65, 85, .8); border-color: rgba(56, 189, 248, .5); color: #fff; }

.empty { text-align: center; color: var(--slate-400); padding: 1.5rem 0; }

/* ==================== 磁力搜索专区 ==================== */
.magnet-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; margin-bottom: 1.5rem; }
@media (min-width: 768px) { .magnet-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .magnet-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.magnet-card {
    display: block; text-align: center; padding: 1rem; border-radius: var(--radius);
    background: var(--card-bg-2);
    -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
    border: 1px solid var(--line);
}
.magnet-card:hover { border-color: rgba(56, 189, 248, .5); box-shadow: 0 20px 25px -5px rgba(56, 189, 248, .2); }
.mc-icon {
    width: 3.5rem; height: 3.5rem; margin: 0 auto .75rem; border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(56, 189, 248, .2), rgba(56, 189, 248, .2));
    display: flex; align-items: center; justify-content: center;
    font-size: 1.875rem; line-height: 1; transition: transform .3s ease;
}
.mc-icon img { width: 1.75rem; height: 1.75rem; }
.magnet-card:hover .mc-icon { transform: scale(1.1); }
.mc-name { font-weight: 600; color: #fff; margin-bottom: .25rem; }
.magnet-card:hover .mc-name { color: var(--purple-300); }
.mc-desc { font-size: .75rem; color: var(--slate-400); }

.ico-char { font-size: 1.5rem; line-height: 1; }

.howto-box {
    padding: 1.5rem; border-radius: var(--radius-lg);
    background: rgba(30, 41, 59, .3);
    -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
    border: 1px solid var(--line);
}
.box-title { display: flex; align-items: center; gap: .5rem; font-size: 1.125rem; font-weight: 600; color: var(--purple-300); margin-bottom: 1rem; }
.howto-grid { display: grid; gap: 1.5rem; }
@media (min-width: 768px) { .howto-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.howto-item { text-align: center; }
.hi-num {
    width: 3rem; height: 3rem; margin: 0 auto .75rem; border-radius: 9999px;
    background: rgba(56, 189, 248, .2); color: var(--purple-300);
    display: flex; align-items: center; justify-content: center; font-size: 1.25rem; font-weight: 600;
}
.hi-title { font-weight: 500; color: #fff; margin-bottom: .5rem; }
.hi-desc { font-size: .875rem; color: var(--slate-400); }

/* ==================== 网址导航 ==================== */
.nav-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
@media (min-width: 768px) { .nav-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .nav-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.nav-card {
    border-radius: var(--radius-lg); overflow: hidden;
    background: var(--card-bg);
    -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
    border: 1px solid var(--line);
}
.nav-card:hover { border-color: rgba(56, 189, 248, .5); box-shadow: 0 20px 25px -5px rgba(56, 189, 248, .15); }
.nc-head {
    display: flex; align-items: center; gap: .75rem;
    padding: 1rem 1.25rem; background: var(--card-bg-2); border-bottom: 1px solid var(--line);
}
.nc-icon { font-size: 1.5rem; line-height: 1; }
.nc-icon img { width: 1.5rem; height: 1.5rem; }
.nc-title { font-size: 1.125rem; font-weight: 600; color: #fff; }
.nav-card:hover .nc-title { color: var(--purple-300); }
.nc-body { display: grid; gap: .75rem; padding: 1rem; }

.nc-link {
    display: flex; align-items: center; gap: .75rem; padding: .75rem;
    border-radius: var(--radius); background: rgba(15, 23, 42, .4);
}
.nc-link:hover { background: rgba(51, 65, 85, .5); }
.nl-icon {
    flex-shrink: 0; width: 2.5rem; height: 2.5rem; border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(56, 189, 248, .2), rgba(56, 189, 248, .2));
    display: flex; align-items: center; justify-content: center; font-size: 1.25rem; line-height: 1;
}
.nl-icon img { width: 1.25rem; height: 1.25rem; }
.nl-body { flex: 1 1 0%; min-width: 0; display: flex; flex-direction: column; }
.nl-name { font-weight: 500; color: #fff; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nc-link:hover .nl-name { color: var(--purple-300); }
.nl-desc { font-size: .75rem; color: var(--slate-400); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nl-go { flex-shrink: 0; color: var(--slate-500); font-size: .875rem; }
.nc-link:hover .nl-go { color: var(--purple-400); }

/* ==================== 资源文章卡片 ==================== */
.art-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: .75rem; }
/* 文章列表统一一行一个（用户要求：一行一个新闻） */

.art-card {
    border-radius: var(--radius-lg); overflow: hidden;
    background: var(--card-bg);
    -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
    border: 1px solid var(--line);
}
.art-card:hover { border-color: rgba(56, 189, 248, .5); box-shadow: 0 20px 25px -5px rgba(56, 189, 248, .15); }
.art-card-link { display: block; padding: 1.25rem; height: 100%; }
.art-meta { display: flex; align-items: center; gap: .5rem; margin-bottom: .75rem; flex-wrap: wrap; }
.badge-cat {
    display: inline-block; padding: .125rem .5rem; font-size: .75rem; border-radius: .25rem;
    background: rgba(56, 189, 248, .2); color: var(--purple-300); border: 1px solid rgba(139, 92, 246, .2);
}
a.badge-cat:hover { background: rgba(139, 92, 246, .3); }
.art-date { font-size: .75rem; color: var(--slate-500); }
.art-views { font-size: .75rem; color: var(--slate-500); }
.art-card-title {
    font-size: 1.125rem; font-weight: 600; color: #fff; margin-bottom: .5rem;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.art-card:hover .art-card-title { color: var(--purple-300); }
.art-card-sum {
    font-size: .875rem; color: var(--slate-400); margin-bottom: 1rem; line-height: 1.625;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.art-foot { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.tag-row { display: flex; flex-wrap: wrap; gap: .5rem; }
.tag-badge {
    display: inline-block; padding: .125rem .5rem; font-size: .75rem;
    background: rgba(51, 65, 85, .5); color: var(--slate-300); border-radius: .25rem;
    border: 1px solid transparent; transition: all .2s ease;
}
a.tag-badge:hover, .tag-badge:hover { background: rgba(139, 92, 246, .2); color: var(--purple-300); }
.tag-badge.on { background: rgba(56, 189, 248, .25); color: var(--purple-300); border-color: rgba(56, 189, 248, .5); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: .5rem; justify-content: center; }
.tag-cloud + .tag-cloud { margin-top: .75rem; }

/* ==================== 分页 ==================== */
.pager { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .5rem; margin-top: 2rem; }
.pg-btn {
    display: inline-block; padding: .375rem .75rem; border-radius: var(--radius-sm);
    font-size: .875rem; background: rgba(30, 41, 59, .6); border: 1px solid var(--line); color: var(--slate-300);
}
a.pg-btn:hover { border-color: rgba(56, 189, 248, .5); color: var(--purple-300); }
.pg-btn.current {
    background: linear-gradient(90deg, var(--purple-500), var(--pink-500));
    border-color: transparent; color: #fff; font-weight: 600;
}
.pg-btn.disabled { opacity: .4; cursor: default; }
.pg-gap { color: var(--slate-500); }
.pg-info { font-size: .75rem; color: var(--slate-500); margin-left: .5rem; }

/* ==================== 面包屑 ==================== */
.breadcrumb { margin-bottom: 1.25rem; font-size: .8125rem; color: var(--slate-500); }
.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: .375rem; }
.breadcrumb li { display: flex; align-items: center; gap: .375rem; }
.breadcrumb li + li::before { content: "/"; color: var(--slate-600); }
.breadcrumb a { color: var(--slate-400); }
.breadcrumb a:hover { color: var(--purple-300); }
.breadcrumb [aria-current="page"] span { color: var(--slate-300); }

/* ==================== 文章详情 ==================== */
.art-detail {
    padding: 1.5rem; border-radius: var(--radius-lg);
    background: var(--card-bg);
    -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
    border: 1px solid var(--line);
    margin-bottom: 2rem;
}
@media (min-width: 768px) { .art-detail { padding: 2.5rem; } }
.art-head { padding-bottom: 1.25rem; border-bottom: 1px solid var(--line); margin-bottom: 1.5rem; }
.art-title { font-size: 1.5rem; font-weight: 700; line-height: 1.35; margin-bottom: .75rem; color: #fff; }
@media (min-width: 768px) { .art-title { font-size: 1.875rem; } }

.art-content { font-size: .9375rem; line-height: 1.85; color: var(--slate-300); }
.art-content h2 { font-size: 1.25rem; font-weight: 600; color: var(--purple-300); margin: 1.75rem 0 .75rem; }
.art-content h3 { font-size: 1.0625rem; font-weight: 600; color: #fff; margin: 1.25rem 0 .5rem; }
.art-content p { margin: .75rem 0; }
.art-content ul, .art-content ol { margin: .75rem 0 .75rem 1.25rem; list-style: disc; }
.art-content li { margin: .25rem 0; }
.art-content a { color: var(--purple-400); border-bottom: 1px solid rgba(192, 132, 252, .4); }
.art-content a:hover { color: var(--purple-300); border-bottom-color: var(--purple-300); }
.art-content code { padding: .125rem .375rem; border-radius: .25rem; background: rgba(51, 65, 85, .6); color: var(--purple-300); font-size: .875em; }
.art-content img { margin: 1rem 0; border-radius: var(--radius); }
.art-content blockquote {
    margin: 1rem 0; padding: .75rem 1rem; border-left: 3px solid var(--purple-500);
    background: rgba(30, 41, 59, .5); color: var(--slate-300); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.art-keywords { font-size: .875rem; color: var(--slate-400); }

.art-tags {
    display: flex; flex-wrap: wrap; align-items: center; gap: .5rem;
    margin-top: 1.75rem; padding-top: 1.25rem; border-top: 1px solid var(--line);
}
.art-tags-label { font-size: .875rem; color: var(--slate-400); }
.art-nav-links { margin-top: 1.5rem; display: flex; flex-wrap: wrap; gap: .5rem; }

/* ==================== 使用技巧 / SEO 文本 ==================== */
.tips-box {
    margin-top: 2rem; padding: 2rem; border-radius: var(--radius-lg);
    background: rgba(30, 41, 59, .3);
    -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
    border: 1px solid var(--line);
}
.tips-list { display: grid; gap: .5rem; font-size: .875rem; color: var(--slate-300); }
.tips-list li { display: flex; align-items: flex-start; gap: .5rem; }
.tips-list .dot { color: var(--purple-400); }

.seo-text { font-size: .9375rem; line-height: 1.85; color: var(--slate-300); }
.seo-text p { margin: .75rem 0; }
.seo-text a { color: var(--purple-400); }
.seo-text a:hover { color: var(--purple-300); }
.seo-h2 { font-size: 1.125rem; font-weight: 600; color: var(--purple-300); margin: 1.5rem 0 .5rem; }
.seo-list { margin-left: 1.25rem; list-style: disc; display: grid; gap: .5rem; }
.seo-list strong { color: #fff; }

/* ==================== 404 ==================== */
.err-box { text-align: center; padding: 3rem 1rem; }
.err-code {
    font-size: 4rem; font-weight: 700; line-height: 1;
    background: linear-gradient(135deg, var(--purple-500), var(--pink-500));
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
}
.err-text { margin: 1rem 0 1.5rem; color: var(--slate-400); }
.err-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem; }

/* ==================== 页脚 ==================== */
.site-footer {
    margin-top: 4rem; padding: 2.5rem 0 1.5rem;
    border-top: 1px solid var(--slate-700); background: rgba(15, 23, 42, .5);
    font-size: .875rem;
}
.foot-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
@media (min-width: 640px) { .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .foot-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.foot-title { font-size: .9375rem; font-weight: 600; color: var(--purple-300); margin-bottom: .75rem; }
.foot-links { display: grid; gap: .375rem; }
.foot-links a { color: var(--slate-400); }
.foot-links a:hover { color: var(--purple-300); }
.foot-count { color: var(--slate-600); font-size: .75rem; margin-left: .125rem; }
.foot-tags { display: flex; flex-wrap: wrap; gap: .375rem .75rem; }

.foot-bottom {
    margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid rgba(51, 65, 85, .5);
    text-align: center; color: var(--slate-400); font-size: .8125rem;
}
.foot-bottom p { margin: .25rem 0; }
.footer-copyright { color: var(--slate-300); }
.footer-icp a { color: var(--slate-300); }
.footer-icp a:hover { color: var(--purple-400); }

/* ==================== 无障碍辅助 ==================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
    .card-hover:hover { transform: none; }
}