/* TemplateGo · 模板集市设计系统 */
:root {
  --bg: #f4f5fb;
  --bg-2: #eceef8;
  --surface: #ffffff;
  --ink: #171a2b;
  --ink-2: #4b5169;
  --ink-3: #8b91a8;
  --line: rgba(23, 26, 43, .1);
  --brand: #5b5bf0;
  --brand-2: #8b5cf6;
  --brand-ink: #ffffff;
  --grad: linear-gradient(120deg, #5b5bf0, #8b5cf6 55%, #d946ef);
  --r-lg: 24px;
  --r-md: 16px;
  --r-sm: 11px;
  --shadow: 0 12px 40px rgba(23, 26, 43, .09);
  --shadow-2: 0 24px 60px rgba(23, 26, 43, .14);
  --nav-h: 68px;
  --side-w: 248px;
  --font: "Inter", "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
code { font-family: ui-monospace, Consolas, monospace; font-size: .85em; background: var(--bg-2); padding: .1em .4em; border-radius: 6px; }

/* ---------- 顶部导航 ---------- */
.site-nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  display: flex; align-items: center; gap: 26px;
  padding: 0 28px;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--line);
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.12rem; letter-spacing: .2px; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 11px;
  background: var(--grad);
  display: grid; place-items: center; color: #fff; font-weight: 900;
  box-shadow: 0 6px 16px rgba(91, 91, 240, .4);
}
.logo small { display: block; font-size: .66rem; font-weight: 500; color: var(--ink-3); letter-spacing: .12em; }
.nav-links { display: flex; gap: 22px; margin-left: 8px; }
.nav-links a { font-size: .92rem; font-weight: 500; color: var(--ink-2); padding: 6px 2px; position: relative; }
.nav-links a:hover, .nav-links a.on { color: var(--ink); }
.nav-links a.on::after, .nav-links a:hover::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; border-radius: 2px; background: var(--grad);
}
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.nav-cta {
  padding: 9px 18px; border-radius: 999px; background: var(--ink); color: #fff;
  font-size: .88rem; font-weight: 600; transition: transform .2s, box-shadow .2s;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(23, 26, 43, .25); }
#nav-toggle { display: none; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line); }

/* ---------- 通用组件 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: .95rem;
  transition: transform .2s, box-shadow .2s, background .2s, color .2s;
  border: 1.5px solid transparent;
}
.btn.primary { background: var(--grad); color: var(--brand-ink); box-shadow: 0 10px 26px rgba(139, 92, 246, .35); }
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(139, 92, 246, .45); }
.btn.ghost { border-color: var(--line); background: rgba(255, 255, 255, .7); color: var(--ink); }
.btn.ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn.dark { background: var(--ink); color: #fff; }
.btn.sm { padding: 8px 15px; font-size: .84rem; }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 12px; border-radius: 999px; font-size: .78rem; font-weight: 600;
  background: var(--bg-2); color: var(--ink-2);
}
.chip.ghost { background: transparent; border: 1px solid var(--line); color: var(--ink-3); font-weight: 500; }
.chip.solid { color: #fff; }

.section-title { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 800; letter-spacing: -.02em; }
.section-sub { color: var(--ink-2); margin-top: 8px; max-width: 56ch; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 28px; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .3, 1); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 84px 0 72px;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(217, 70, 239, .22), transparent 60%),
    radial-gradient(700px 420px at 10% 10%, rgba(91, 91, 240, .18), transparent 55%),
    linear-gradient(180deg, #ffffff, var(--bg));
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px; font-size: .8rem; font-weight: 600;
  background: rgba(91, 91, 240, .1); color: var(--brand); border: 1px solid rgba(91, 91, 240, .2);
}
.hero h1 {
  margin-top: 18px;
  font-size: clamp(2.3rem, 5vw, 3.7rem);
  line-height: 1.1; letter-spacing: -.03em; font-weight: 900;
}
.hero h1 em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { margin-top: 18px; font-size: 1.06rem; color: var(--ink-2); max-width: 48ch; }
.hero-actions { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }

.hero-mock { position: relative; height: 380px; }
.mock {
  position: absolute; width: 78%; border-radius: var(--r-md); overflow: hidden;
  background: var(--surface); box-shadow: var(--shadow-2); border: 1px solid var(--line);
  transition: transform .5s cubic-bezier(.2, .7, .3, 1);
}
.mock .bar { display: flex; gap: 5px; padding: 9px 12px; background: var(--bg-2); border-bottom: 1px solid var(--line); }
.mock .bar i { width: 9px; height: 9px; border-radius: 50%; background: #d7dae6; }
.mock .bar i:first-child { background: #ff6b6b; } .mock .bar i:nth-child(2) { background: #ffd23f; } .mock .bar i:nth-child(3) { background: #51cf66; }
.mock img, .mock .fake { width: 100%; height: 190px; object-fit: cover; display: block; }
.mock-1 { top: 0; right: 4%; transform: rotate(3deg); z-index: 3; }
.mock-2 { top: 92px; right: 26%; transform: rotate(-4deg); z-index: 2; width: 62%; }
.mock-3 { top: 186px; right: 0; transform: rotate(2deg); z-index: 1; width: 58%; }
.hero-mock:hover .mock-1 { transform: rotate(1deg) translateY(-8px); }
.hero-mock:hover .mock-2 { transform: rotate(-2deg) translateY(-4px); }
.hero-mock:hover .mock-3 { transform: rotate(0deg) translateY(-2px); }
.fake-a { background: linear-gradient(135deg, #0b1020, #6366f1 60%, #22d3ee); }
.fake-b { background: linear-gradient(135deg, #ff5c8a, #ffd23f); }
.fake-c { background: linear-gradient(135deg, #0c0c0f, #8b5cf6 70%, #c8f542); }

/* ---------- 分类卡 ---------- */
.strip { padding: 56px 0 20px; }
.cat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 28px; }
.cat-card {
  position: relative; overflow: hidden;
  padding: 22px 20px; border-radius: var(--r-md);
  background: var(--surface); border: 1px solid var(--line);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.cat-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: var(--g);
}
.cat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.cat-icon { font-size: 1.6rem; display: block; margin-bottom: 10px; }
.cat-card h3 { font-size: 1.02rem; font-weight: 700; }
.cat-card p { font-size: .82rem; color: var(--ink-3); margin-top: 4px; min-height: 2.4em; }
.cat-count { display: inline-block; margin-top: 12px; font-size: .8rem; font-weight: 700; color: var(--brand); }

/* ---------- 统计 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding: 30px 0 10px; }
.stat {
  text-align: center; padding: 22px 12px; border-radius: var(--r-md);
  background: var(--surface); border: 1px solid var(--line);
}
.stat b { display: block; font-size: 2rem; font-weight: 900; letter-spacing: -.03em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat b i { font-style: normal; font-size: 1.1rem; }
.stat span { font-size: .84rem; color: var(--ink-3); }

/* ---------- 筛选条 ---------- */
.filters {
  display: flex; flex-wrap: wrap; gap: 14px 18px; align-items: center;
  padding: 16px 18px; margin-bottom: 22px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
}
.filters .f-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.f-label { font-size: .76rem; font-weight: 700; color: var(--ink-3); letter-spacing: .08em; text-transform: uppercase; }
.filters button.pill {
  padding: 6px 14px; border-radius: 999px; font-size: .84rem; font-weight: 500;
  color: var(--ink-2); border: 1px solid transparent; transition: .2s;
}
.filters button.pill:hover { background: var(--bg-2); }
.filters button.pill.on { background: var(--ink); color: #fff; }
.search-box {
  margin-left: auto; display: flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 999px; background: var(--bg-2); min-width: 200px;
}
.search-box input { border: 0; background: none; outline: none; width: 100%; font-size: .9rem; color: var(--ink); }
#sort { padding: 8px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); font-size: .86rem; }

/* ---------- 模板卡片 ---------- */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .3s cubic-bezier(.2, .7, .3, 1), box-shadow .3s, border-color .3s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); border-color: transparent; }
.card-shot { position: relative; display: block; padding: 14px 14px 0; }
.shot-frame {
  position: relative; border-radius: var(--r-md); overflow: hidden;
  aspect-ratio: 16 / 10; background: var(--bg);
  border: 1px solid var(--line);
}
.shot-frame iframe {
  width: 1280px; height: 800px; border: 0;
  transform: scale(.4); transform-origin: 0 0;
  pointer-events: none; background: var(--bg);
}
.shot-frame .shot-glow {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(0, 0, 0, .06));
  pointer-events: none;
}
.card:hover .shot-frame iframe { transform: scale(.4) translateY(-18px); transition: transform 3.5s linear; }
.shot-tag {
  position: absolute; top: 24px; left: 24px;
  padding: 5px 11px; border-radius: 999px; color: #fff;
  font-size: .72rem; font-weight: 700;
  box-shadow: 0 6px 16px rgba(0, 0, 0, .18);
}
.card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.card-head h3 { font-size: 1.05rem; font-weight: 800; letter-spacing: -.01em; }
.dots { display: flex; gap: 4px; }
.dots i { width: 11px; height: 11px; border-radius: 50%; border: 1px solid rgba(0, 0, 0, .08); }
.card-tagline { font-size: .86rem; color: var(--ink-2); flex: 1; }
.card-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.empty {
  grid-column: 1 / -1; text-align: center; padding: 60px 20px;
  color: var(--ink-3); background: var(--surface); border-radius: var(--r-md); border: 1px dashed var(--line);
}
#result-meta { font-size: .88rem; color: var(--ink-3); margin-bottom: 14px; }

/* ---------- 步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 30px; }
.step {
  padding: 28px 24px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line);
  position: relative; overflow: hidden;
}
.step b.num {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  background: var(--grad); color: #fff; font-size: 1.05rem; margin-bottom: 14px;
}
.step h3 { font-size: 1.08rem; margin-bottom: 8px; }
.step p { font-size: .9rem; color: var(--ink-2); }

/* ---------- 详情页 ---------- */
.detail { padding: 40px 0 80px; }
.detail-hero {
  display: grid; grid-template-columns: 1fr 1.05fr; gap: 40px; align-items: center;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 36px; box-shadow: var(--shadow); margin-bottom: 24px;
}
.crumb { font-size: .82rem; color: var(--ink-3); margin-bottom: 14px; }
.crumb a:hover { color: var(--brand); }
.detail-hero h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin: 12px 0; letter-spacing: -.02em; }
.detail-hero .lead { color: var(--ink-2); }
.theme-line { margin-top: 14px; font-size: .92rem; color: var(--ink-2); }
.palette { display: flex; gap: 14px; flex-wrap: wrap; margin: 18px 0 22px; }
.pal { display: flex; align-items: center; gap: 8px; }
.pal i { width: 26px; height: 26px; border-radius: 8px; border: 1px solid rgba(0, 0, 0, .08); }
.shot-frame.big { aspect-ratio: 16 / 10; box-shadow: var(--shadow-2); }
.shot-frame.big iframe { transform: scale(.52); }
.panel {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 28px 32px; margin-bottom: 22px;
}
.panel h2 { font-size: 1.25rem; margin-bottom: 16px; letter-spacing: -.01em; }
.sec-list { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; counter-reset: s; }
.sec-list li {
  counter-increment: s;
  padding: 8px 14px 8px 12px; border-radius: 999px; background: var(--bg-2);
  font-size: .86rem; font-weight: 600; color: var(--ink-2);
}
.sec-list li::before { content: counter(s) "."; color: var(--brand); margin-right: 6px; font-weight: 800; }
.bullets { list-style: none; display: grid; gap: 10px; }
.bullets li { padding-left: 18px; position: relative; font-size: .95rem; color: var(--ink-2); }
.bullets li::before { content: ""; position: absolute; left: 0; top: .55em; width: 7px; height: 7px; border-radius: 50%; background: var(--grad); }

/* ---------- 模板库侧栏布局 ---------- */
.lib {
  display: grid; grid-template-columns: var(--side-w) 1fr; gap: 28px;
  padding: 34px 0 80px;
}
.side {
  position: sticky; top: calc(var(--nav-h) + 22px); align-self: start;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 22px 20px; max-height: calc(100vh - var(--nav-h) - 44px); overflow: auto;
}
.side h3 { font-size: .78rem; letter-spacing: .12em; color: var(--ink-3); margin-bottom: 10px; text-transform: uppercase; }
.side-group + .side-group { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.side-group button {
  display: flex; width: 100%; align-items: center; justify-content: space-between;
  padding: 8px 12px; border-radius: 10px; font-size: .9rem; color: var(--ink-2); transition: .2s;
}
.side-group button:hover { background: var(--bg-2); color: var(--ink); }
.side-group button.on { background: var(--ink); color: #fff; font-weight: 600; }
.side-group button em { font-style: normal; font-size: .76rem; opacity: .6; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: #12142a; color: #a8adc8; padding: 56px 0 30px; margin-top: 40px;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 28px; }
.site-footer h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; }
.site-footer a { display: block; font-size: .88rem; padding: 4px 0; color: #a8adc8; transition: .2s; }
.site-footer a:hover { color: #fff; }
.site-footer p { font-size: .88rem; max-width: 34ch; }
.footer-bottom {
  margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .08);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: .8rem; color: #6d7392;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid, .detail-hero { grid-template-columns: 1fr; }
  .hero-mock { height: 300px; }
  .lib { grid-template-columns: 1fr; }
  .side { position: static; max-height: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .nav-links {
    display: none; position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; gap: 0; padding: 12px 20px 18px;
    background: rgba(255, 255, 255, .97); border-bottom: 1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 4px; }
  #nav-toggle { display: grid; place-items: center; }
  .cat-grid, .grid, .steps, .stats { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .filters { flex-direction: column; align-items: stretch; }
  .search-box { margin-left: 0; }
  .panel, .detail-hero { padding: 22px 18px; }
}