/* ============================================================
 * 穷逼王朝工具箱 · 页面布局 (Layout)
 * 头部 / Hero / 卡片网格 / 页脚 / 工具页
 * ============================================================ */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  background: rgba(255, 255, 255, .78);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.06rem;
  letter-spacing: -.02em;
}
.nav__logo {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--brand-gradient);
  display: grid;
  place-items: center;
  color: #fff;
  box-shadow: var(--shadow-brand);
}
.nav__logo svg { width: 22px; height: 22px; }
.nav__menu {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav__link {
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  color: var(--text-2);
  font-weight: 600;
  font-size: .94rem;
  transition: all var(--transition);
}
.nav__link:hover { color: var(--brand-600); background: var(--brand-50); }
.nav__link.more { color: var(--text-3); }

/* ============================================================
 * Hero 区
 * ============================================================ */
.hero {
  position: relative;
  padding: 76px 0 46px;
  text-align: center;
  overflow: hidden;
}
.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .5;
  pointer-events: none;
  z-index: -1;
  transition: transform .5s ease-out;
  animation: blobFloat 14s ease-in-out infinite;
}
.hero__blob.a { width: 460px; height: 460px; background: var(--brand-200); top: -140px; left: -80px; }
.hero__blob.b { width: 380px; height: 380px; background: var(--info); opacity: .22; bottom: -120px; right: -70px; animation-delay: -6s; }
@keyframes blobFloat {
  0%, 100% { translate: 0 0; }
  50% { translate: 24px -18px; }
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  background: var(--brand-50);
  border: 1px solid var(--brand-200);
  color: var(--brand-700);
  font-size: .86rem;
  font-weight: 600;
  margin-bottom: 22px;
}
.hero__badge svg { width: 16px; height: 16px; }
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.12;
  color: var(--text);
}
.hero h1 .accent {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero__sub {
  max-width: 620px;
  margin: 18px auto 0;
  color: var(--text-2);
  font-size: 1.08rem;
}
.hero__actions {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.hero__meta {
  margin-top: 34px;
  display: flex;
  justify-content: center;
  gap: 34px;
  flex-wrap: wrap;
  color: var(--text-3);
  font-size: .9rem;
}
.hero__meta b { color: var(--text); display: block; font-size: 1.3rem; }

/* ============================================================
 * 分组区块 & 工具卡片
 * ============================================================ */
section.block { padding: 30px 0; }

.block__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}
.block__icon {
  width: 40px; height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #fff;
}
.block__icon svg { width: 20px; height: 20px; }
.block__head h2 { font-size: 1.4rem; font-weight: 800; letter-spacing: -.02em; }
.block__head p { color: var(--text-3); font-size: .92rem; margin-top: 2px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(248px, 1fr));
  gap: 18px;
}

.tool-card {
  --spot-x: 50%; --spot-y: 0%;
  --rx: 0deg; --ry: 0deg;
  position: relative;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  cursor: pointer;
  overflow: hidden;
  transform: rotateX(var(--rx)) rotateY(var(--ry));
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  will-change: transform;
}
/* 光标辉光：跟随鼠标的高亮 */
.tool-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(320px 320px at var(--spot-x) var(--spot-y), rgba(59,130,246,.13), transparent 62%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.tool-card:hover {
  border-color: var(--brand-300);
  box-shadow: var(--shadow-lg);
}
.tool-card:hover::before { opacity: 1; }
.tool-card__icon {
  width: 48px; height: 48px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  color: #fff;
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
}
.tool-card__icon svg { width: 24px; height: 24px; }
.tool-card__tagrow { min-height: 20px; margin-bottom: 8px; }
.tool-card h3 { font-size: 1.12rem; font-weight: 700; letter-spacing: -.01em; margin-bottom: 6px; }
.tool-card p { color: var(--text-2); font-size: .92rem; line-height: 1.5; margin-bottom: 14px; }
.tool-card__arrow {
  position: absolute;
  right: 18px; bottom: 18px;
  color: var(--brand-400);
  opacity: 0;
  transform: translateX(-4px);
  transition: all var(--transition);
}
.tool-card__arrow svg { width: 20px; height: 20px; }
.tool-card:hover .tool-card__arrow { opacity: 1; transform: translateX(0); }

/* 卡片底部链接（源码 / 入口） */
.card-foot {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text-3);
  font-size: .84rem;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.card-foot svg { width: 15px; height: 15px; }
.card-foot:hover { color: var(--brand-600); border-color: var(--brand-300); background: var(--brand-50); }
.card-foot svg:last-child { opacity: .6; }

/* ============================================================
 * 动效 hooks（由 js/core/effects.js 驱动）
 * ============================================================ */
.cards { perspective: 1000px; }

/* 滚动显现：默认隐藏，进入视口后加 .in */
[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity .6s var(--transition), transform .6s var(--transition); }
[data-reveal].in { opacity: 1; transform: none; }

/* Hero 入场：.hero--in 时子元素依次浮现 */
.hero--in [data-fade] { animation: fadeUp .6s var(--transition) both; }
.hero--in [data-fade]:nth-child(1) { animation-delay: .02s; }
.hero--in [data-fade]:nth-child(2) { animation-delay: .10s; }
.hero--in [data-fade]:nth-child(3) { animation-delay: .18s; }
.hero--in [data-fade]:nth-child(4) { animation-delay: .26s; }
.hero--in [data-fade]:nth-child(5) { animation-delay: .34s; }

/* 尊重「减少动态效果」偏好 */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .hero--in [data-fade] { animation: none; }
  .hero__blob { animation: none !important; }
}

/* ============================================================
 * 工具详情页
 * ============================================================ */
.tool-page { padding: 40px 0 70px; }
.tool-page__crumbs {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-3);
  font-size: .9rem;
  margin-bottom: 20px;
}
.tool-page__crumbs a { color: var(--brand-600); font-weight: 600; }
.tool-page__crumbs a:hover { text-decoration: underline; }

.tool-page__header {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 26px;
}
.tool-page__icon {
  width: 58px; height: 58px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: #fff;
  flex-shrink: 0;
  box-shadow: var(--shadow-brand);
}
.tool-page__icon svg { width: 28px; height: 28px; }
.tool-page__header h1 { font-size: 1.7rem; font-weight: 800; letter-spacing: -.02em; }
.tool-page__header p { color: var(--text-2); margin-top: 4px; }
.tool-page__body {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow);
}

/* ---------- 页脚 ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 34px 0;
  margin-top: 40px;
  color: var(--text-3);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: .9rem;
}
.footer a { color: var(--text-2); }
.footer a:hover { color: var(--brand-600); }

/* ============================================================
 * 响应式
 * ============================================================ */
@media (max-width: 640px) {
  .hero { padding: 52px 0 30px; }
  .hero__meta { gap: 22px; }
  .cards { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
  .tool-card { padding: 16px; }
  .tool-card__icon { width: 42px; height: 42px; }
  .tool-page__header h1 { font-size: 1.4rem; }
  .tool-page__body { padding: 18px; }
  .footer__inner { flex-direction: column; text-align: center; }
}