/* ============================================================
 * 朕喜卡片 ZhenxiCard · site.css（落地页 / 模板库页）
 * ============================================================ */

:root {
  /* zhenxijs 式 GitHub Dark 终端配色（默认主题） */
  --bg: #0D1117;
  --bg-2: #161B22;
  --panel: #161B22;
  --border: #30363D;
  --text: #E6EDF3;
  --text-2: #8B949E;
  --accent: #3FB950;
  --accent-2: #D2A8FF;
  --accent-soft: #12261E;
  --danger: #F85149;
  --shadow: 0 16px 40px rgba(1, 4, 9, 0.55);
  --radius: 10px;
  /* 语法高亮辅助色（装饰用） */
  --syn-red: #FF7B72;
  --syn-blue: #79C0FF;
  --syn-purple: #D2A8FF;
  --syn-orange: #FFA657;
  --mono: 'JetBrains Mono', 'Cascadia Code', Consolas, 'Courier New', monospace;
}
html[data-theme='light'] {
  /* GitHub Light 变体：主题切换按钮的浅色档 */
  --bg: #F6F8FA;
  --bg-2: #EFF2F5;
  --panel: #FFFFFF;
  --border: #D0D7DE;
  --text: #1F2328;
  --text-2: #656D76;
  --accent: #1F883D;
  --accent-2: #8250DF;
  --accent-soft: #DAFBE1;
  --danger: #CF222E;
  --shadow: 0 16px 40px rgba(31, 35, 40, 0.14);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}
button { font-family: inherit; cursor: pointer; }
a { color: inherit; }
img { max-width: 100%; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
.site-head {
  position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border);
}
.site-head .wrap { display: flex; align-items: center; gap: 26px; height: 62px; }
.logo { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 16px; text-decoration: none; font-family: var(--mono); }
.logo .mark {
  width: 30px; height: 30px; border-radius: 8px; background: var(--accent); color: #0D1117;
  display: grid; place-items: center; font-size: 13px; font-weight: 700; font-family: var(--mono);
}
.nav { display: flex; gap: 4px; flex: 1; }
.nav a {
  text-decoration: none; color: var(--text-2); font-size: 13px; padding: 7px 12px; border-radius: 8px;
  font-family: var(--mono);
}
.nav a::before { content: '~/'; opacity: 0.6; }
.nav a:hover { color: var(--accent); background: var(--bg-2); }
html[data-theme='light'] .tag { color: var(--accent); }
.btn {
  display: inline-flex; align-items: center; gap: 7px; text-decoration: none; border: 0;
  padding: 10px 20px; border-radius: 8px; font-size: 14px; font-family: var(--mono);
  transition: transform 0.12s, box-shadow 0.12s, border-color 0.12s;
}
.btn:active { transform: scale(0.97); }
.btn.solid { background: var(--accent); color: #0D1117; box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 22%, transparent); }
.btn.solid:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }
html[data-theme='light'] .btn.solid { color: #fff; }
.icon-btn { background: none; border: 1px solid var(--border); width: 36px; height: 36px; border-radius: 10px; font-size: 15px; }
.icon-btn:hover { background: var(--bg-2); }

/* 移动端菜单 */
.menu-btn { display: none; background: none; border: 1px solid var(--border); width: 38px; height: 38px; border-radius: 10px; font-size: 17px; color: var(--text); }
.m-nav {
  display: none; position: fixed; top: 68px; left: 14px; right: 14px; z-index: 95;
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow);
  padding: 8px; opacity: 0; transform: translateY(-8px); pointer-events: none; transition: all 0.18s;
}
.m-nav.open { opacity: 1; transform: none; pointer-events: auto; }
.m-nav a { padding: 12px 14px; border-radius: 10px; text-decoration: none; color: var(--text); font-size: 15px; }
.m-nav a:hover { background: var(--bg-2); }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 40px; position: relative; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.hero-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.tag {
  font-size: 12px; color: var(--accent); background: var(--accent-soft);
  padding: 4px 12px; border-radius: 6px; border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  font-family: var(--mono);
}
.hero h1 {
  font-size: clamp(32px, 4.4vw, 50px); line-height: 1.3; font-weight: 700;
  letter-spacing: 0.5px; margin-bottom: 18px;
}
.hero h1::after { content: '▍'; color: var(--accent); animation: cursor-blink 1.1s steps(1) infinite; margin-left: 4px; }
@keyframes cursor-blink { 50% { opacity: 0; } }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .sub { color: var(--text-2); font-size: 16px; margin-bottom: 28px; max-width: 34em; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-note { font-size: 13px; color: var(--text-2); font-family: var(--mono); }
.hero-note b { color: var(--accent); }

/* hero 右侧演示卡片：终端窗口造型 */
.demo-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 20px; position: relative;
}
.demo-card::before {
  content: '● ● ●  ~/zhenxicard — zsh';
  display: block; font-family: var(--mono); font-size: 11.5px; color: var(--text-2);
  border-bottom: 1px solid var(--border); padding: 0 2px 10px; margin: -4px -4px 14px;
}
.demo-card textarea {
  width: 100%; height: 110px; border: 1px solid var(--border); background: var(--bg); color: var(--text);
  border-radius: 8px; padding: 12px; font-size: 13px; line-height: 1.7; resize: vertical; margin-bottom: 12px;
  font-family: var(--mono);
}
.demo-card textarea:focus { outline: none; border-color: var(--accent); }
.demo-opts { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.demo-opts select {
  background: var(--bg-2); color: var(--text); border: 1px solid var(--border); border-radius: 9px;
  padding: 7px 10px; font-size: 12.5px;
}
.demo-actions { display: flex; gap: 8px; }
.demo-actions .btn { padding: 9px 16px; font-size: 13.5px; }
.demo-preview { margin-top: 16px; display: none; }
.demo-preview.show { display: block; }
.demo-thumbs { display: flex; gap: 10px; overflow-x: auto; padding: 6px 2px 10px; }
.demo-thumbs .thumb {
  flex: 0 0 auto; border-radius: 8px; overflow: hidden; box-shadow: 0 4px 14px rgba(50,40,30,.18);
  border: 1px solid var(--border); position: relative;
}
.demo-empty { color: var(--text-2); font-size: 12.5px; text-align: center; padding: 8px 0 2px; }
.demo-pn { font-size: 10px; color: #fff; background: rgba(30,25,20,.72); border-radius: 5px; padding: 0 6px; position: absolute; right: 5px; top: 5px; }

/* 数据条 */
.stats { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-2); }
.stats .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { text-align: center; padding: 26px 10px; }
.stat b { font-size: 30px; font-family: var(--mono); color: var(--accent); }
.stat span { display: block; color: var(--text-2); font-size: 13px; margin-top: 2px; }

/* ---------- 分区通用 ---------- */
section.block { padding: 74px 0; }
.sec-head { text-align: center; margin-bottom: 40px; }
.sec-head h2 { font-size: 30px; font-weight: 700; letter-spacing: 0.5px; }
.sec-head h2::before { content: '// '; color: var(--accent); font-family: var(--mono); font-weight: 400; }
.sec-head p { color: var(--text-2); margin-top: 8px; font-size: 15px; }

/* 功能卡片 */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feat {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 24px; transition: transform 0.15s, box-shadow 0.15s;
}
.feat:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.feat .ico {
  width: 46px; height: 46px; border-radius: 13px; background: var(--accent-soft);
  display: grid; place-items: center; font-size: 22px; margin-bottom: 14px;
}
.feat h3 { font-size: 17px; margin-bottom: 7px; }
.feat p { color: var(--text-2); font-size: 13.5px; line-height: 1.75; }

/* 示例作品（真实渲染的缩略图，JS 瀑布流：卡片放入当前最矮列，底边整齐） */
.works-grid, .tpl-page-grid { display: flex; align-items: flex-start; }
.works-grid { gap: 20px; }
.works-grid > .m-col { flex: 1; min-width: 0; }
.work {
  border-radius: var(--radius); overflow: hidden; background: var(--panel); border: 1px solid var(--border);
  cursor: pointer; transition: transform 0.15s, box-shadow 0.15s; position: relative;
  display: flex; flex-direction: column; text-decoration: none;
  margin-bottom: 20px;
}
.work:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.work .thumb-box { position: relative; overflow: hidden; background: var(--bg-2); }
.work .meta { padding: 13px 15px; display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: auto; }
.work .meta b { font-size: 14px; }
.work .meta span { font-size: 12px; color: var(--accent); white-space: nowrap; }
/* 页数角标：贴在缩略图右下角的次要信息，悬停时为 CTA 让位 */
.pages-badge {
  position: absolute; right: 8px; bottom: 8px; z-index: 2;
  background: rgba(28, 24, 20, 0.42); backdrop-filter: blur(5px);
  color: rgba(255, 255, 255, 0.92); font-size: 10.5px; font-weight: 400;
  padding: 1px 8px; border-radius: 99px; pointer-events: none;
  transition: opacity 0.15s;
}
.work:hover .pages-badge, .tpl-card:hover .pages-badge { opacity: 0; }

/* 三步流程 */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.step {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 26px; position: relative;
}
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--mono); font-size: 40px; font-weight: 700; color: var(--accent); opacity: 0.3;
  position: absolute; right: 20px; top: 8px;
}
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { color: var(--text-2); font-size: 13.5px; }

/* ---------- 更新日志 + 使用技巧 ---------- */
.updates-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 18px; }
.log-box, .tips-box {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px 24px; text-align: left;
}
.log-box h3, .tips-box h3 {
  font-size: 15px; font-family: var(--mono); margin-bottom: 12px; color: var(--accent);
}
.log-box h3::before { content: '$ '; color: var(--text-2); }
.tips-box h3::before { content: '// '; color: var(--text-2); }
.log-item {
  display: flex; gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--border);
  font-size: 13px; line-height: 1.7;
}
.log-item:last-child { border-bottom: 0; padding-bottom: 0; }
.log-item time { font-family: var(--mono); color: var(--accent); flex-shrink: 0; font-size: 12.5px; padding-top: 1px; }
.log-item span { color: var(--text-2); }
.log-item b { color: var(--text); }
.tip-item { position: relative; padding: 6px 0 6px 18px; font-size: 13.5px; color: var(--text-2); line-height: 1.75; }
.tip-item::before { content: '>'; position: absolute; left: 2px; top: 7px; color: var(--accent); font-family: var(--mono); font-weight: 700; }
.tip-item b { color: var(--text); }
.tip-item code, .log-item code {
  font-family: var(--mono); font-size: 0.92em; color: var(--accent);
  background: var(--accent-soft); border-radius: 4px; padding: 0 5px;
}

/* ---------- 免费 & 隐私声明（FAQ） ---------- */
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.faq {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px 24px; text-align: left;
}
.faq h3 { font-size: 15px; margin-bottom: 8px; }
.faq h3::before { content: 'Q. '; color: var(--accent); font-family: var(--mono); }
.faq p { color: var(--text-2); font-size: 13.5px; line-height: 1.8; }
.privacy-note {
  margin-top: 26px; text-align: center; font-family: var(--mono); font-size: 12.5px;
  color: var(--text-2); background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 18px;
}
.privacy-note::before { content: '$ '; color: var(--accent); }

/* ---------- Footer ---------- */
footer.site-foot { border-top: 1px solid var(--border); background: var(--bg-2); padding: 44px 0 34px; margin-top: 40px; }
.foot-grid { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.foot-col h4 { font-size: 13.5px; margin-bottom: 12px; }
.foot-col a { display: block; color: var(--text-2); text-decoration: none; font-size: 13px; padding: 3px 0; }
.foot-col a:hover { color: var(--accent); }
.foot-base { margin-top: 30px; padding-top: 18px; border-top: 1px solid var(--border); color: var(--text-2); font-size: 12.5px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.foot-icp { margin-top: 10px; display: flex; justify-content: center; align-items: center; gap: 18px; flex-wrap: wrap; }
.foot-icp a { color: var(--text-2); font-size: 12px; text-decoration: none; display: inline-flex; align-items: center; gap: 5px; }
.foot-icp a:hover { color: var(--accent); }
.foot-icp .gaba img { width: 14px; height: 14px; flex-shrink: 0; }

/* ---------- 模板库页 ---------- */
.tpl-toolbar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 26px; }
/* JS 瀑布流：列容器由脚本按容器宽度生成，卡片始终进最矮列 */
.tpl-page-grid { gap: 22px; }
.tpl-page-grid > .m-col { flex: 1; min-width: 0; }
.tpl-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
  transition: transform 0.15s, box-shadow 0.15s;
  display: flex; flex-direction: column;
  margin-bottom: 22px;
}
.tpl-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.tpl-card .thumb-box { position: relative; overflow: hidden; background: var(--bg-2); }
.tpl-card .use {
  position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%) translateY(6px); opacity: 0;
  transition: all 0.15s; white-space: nowrap;
}
.tpl-card:hover .use { opacity: 1; transform: translateX(-50%); }
.tpl-card .meta { padding: 14px 16px; margin-top: auto; }
.tpl-card .meta b { font-size: 15px; }
.tpl-card .meta .cat { float: right; font-size: 11.5px; color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent); padding: 1px 9px; border-radius: 99px; }
.tpl-card .meta p { color: var(--text-2); font-size: 12.5px; margin-top: 4px; }

/* 迷你卡片渲染容器（引擎缩放渲染） */
.mini-card-host .cc-card { border-radius: 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero .wrap { gap: 32px; }
}

@media (max-width: 960px) {
  .nav { display: none; }
  .menu-btn { display: inline-grid; place-items: center; }
  .hero { padding: 44px 0 24px; }
  .hero .wrap { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .stats .wrap { grid-template-columns: repeat(2, 1fr); }
  .updates-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  section.block { padding: 54px 0; }
}

@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .site-head .wrap { height: 56px; gap: 12px; }
  .m-nav { top: 62px; }
  .hero { padding: 30px 0 16px; }
  .hero h1 { font-size: 30px; }
  .hero .sub { font-size: 14.5px; }
  .feat-grid { grid-template-columns: 1fr; }
  .works-grid, .tpl-page-grid { gap: 12px; }
  .work, .tpl-card { margin-bottom: 12px; }
  .steps { grid-template-columns: 1fr; }
  .demo-card { padding: 14px; }
  .demo-actions { flex-wrap: wrap; }
  .sec-head h2 { font-size: 25px; }
  section.block { padding: 42px 0; }
  .foot-grid { flex-direction: column; }
  .tpl-hero h1 { font-size: 27px; }
  .tpl-card .meta { padding: 11px 12px; }
  .tpl-card .use { opacity: 1; transform: translateX(-50%); }
  .btn { padding: 9px 15px; font-size: 13.5px; }
  .site-head .btn { padding: 8px 12px; font-size: 13px; }
  .hero-cta .btn { flex: 1; justify-content: center; }
}