@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --c-bg:       #f8f9fb;
  --c-surface:  #ffffff;
  --c-border:   #e5e7eb;
  --c-border-l: #f0f1f3;
  --c-text:     #111827;
  --c-text-2:   #4b5563;
  --c-text-3:   #9ca3af;
  --c-accent:   #4f46e5;
  --c-accent-l: #eef2ff;
  --c-accent-d: #3730a3;
  --c-tag-bg:   #f3f4f6;
  --c-green:    #059669;
  --c-amber:    #d97706;
  --shadow-sm:  0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 2px 8px rgba(0,0,0,.06);
  --shadow-lg:  0 8px 24px rgba(0,0,0,.08);
  --radius:     8px;
  --radius-lg:  12px;
  --ease:       cubic-bezier(.16,1,.3,1);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html { scroll-behavior:smooth; -webkit-font-smoothing:antialiased; }

body {
  font-family: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.7;
  font-size: 15px;
}

a { color: inherit; text-decoration: none; }
img { display:block; max-width:100%; }

/* ─── Layout ─── */
.container { max-width:1120px; margin:0 auto; padding:0 24px; }
.container-wide { max-width:1120px; margin:0 auto; padding:0 24px; }

/* ─── Header ─── */
.site-header {
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-border);
}
.site-header .container-wide {
  display:flex; align-items:center; justify-content:space-between;
  height:56px;
}
.site-logo {
  display:flex; align-items:center; gap:8px;
  font-weight:700; font-size:1rem; color:var(--c-text);
}
.site-logo svg { color:var(--c-accent); }
.site-nav { display:flex; gap:4px; }
.site-nav a {
  padding:6px 14px; border-radius:6px; font-size:.875rem;
  font-weight:500; color:var(--c-text-2);
  transition:all .15s var(--ease);
}
.site-nav a:hover { color:var(--c-text); background:var(--c-accent-l); }
.site-nav a.active { color:var(--c-accent); background:var(--c-accent-l); }
/* 星标导航项 */
.nav-starred { display:inline-flex; align-items:center; gap:5px; position:relative; }
.nav-starred .nav-label { font-size:.875rem; }
.nav-starred .star-ic { width:15px; height:15px; }
.nav-starred.active { color:var(--c-accent); background:var(--c-accent-l); box-shadow: inset 0 0 0 1px var(--c-accent); }
.nav-starred.active .star-ic { fill:var(--c-accent); }
.star-count-badge { display:none; min-width:18px; height:18px; padding:0 5px; border-radius:9px; background:var(--c-amber); color:#fff; font-size:.65rem; font-weight:700; line-height:18px; text-align:center; }

/* ─── Hero ─── */
.hero {
  padding:48px 0 40px;
  border-bottom:1px solid var(--c-border);
  margin-bottom:40px;
}
.hero h1 {
  font-size:clamp(1.75rem,4vw,2.25rem);
  font-weight:700; letter-spacing:-.02em;
  line-height:1.25; margin-bottom:8px;
}
.hero p { color:var(--c-text-2); font-size:1rem; margin-bottom:20px; }
.hero-stats {
  display:flex; gap:24px;
}
.hero-stat { display:flex; align-items:baseline; gap:6px; }
.hero-stat strong { font-size:1.25rem; font-weight:700; color:var(--c-accent); }
.hero-stat span { font-size:.8rem; color:var(--c-text-3); }

/* ─── Blog Feed ─── */
.blog-feed { padding-bottom:60px; }

.blog-post {
  margin-bottom:48px;
  padding-bottom:40px;
  border-bottom:1px solid var(--c-border-l);
}
.blog-post:last-child { border-bottom:none; margin-bottom:0; }

.blog-post-header {
  margin-bottom:24px;
  display:flex; align-items:center; gap:14px;
}
.blog-post-header::after {
  content:''; flex:1; height:1px; background:var(--c-border-l);
}
.blog-post-date {
  font-size:.75rem; font-weight:600; color:var(--c-text-3);
  text-transform:uppercase; letter-spacing:.06em;
}
.blog-post-title {
  font-size:1.25rem; font-weight:700; color:var(--c-text);
}
.blog-post-title .count {
  font-weight:400; color:var(--c-text-3); font-size:.9rem;
}
.day-post-title {
  display:flex; align-items:center; gap:10px;
  font-size:1.75rem;
  line-height:1.2;
}
.day-post-title .count {
  padding:3px 9px;
  border:1px solid var(--c-border);
  border-radius:6px;
  background:var(--c-surface);
  font-weight:600; color:var(--c-text-3); font-size:.8rem;
}

/* ─── Product Entry (blog item) ─── */
.product-entry {
  display:flex; gap:16px; padding:16px;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius);
  margin-bottom:12px;
  transition:all .2s var(--ease);
  cursor:pointer;
}
.product-entry:hover {
  border-color:var(--c-accent);
  box-shadow:var(--shadow-md);
  transform:translateY(-1px);
}
.product-entry:last-child { margin-bottom:0; }

.entry-thumb {
  width:72px; height:72px; flex-shrink:0;
  border-radius:6px; overflow:hidden;
  background:var(--c-tag-bg);
  display:flex; align-items:center; justify-content:center;
}
.entry-thumb img { width:100%; height:100%; object-fit:cover; }
.entry-thumb .ph {
  width:32px; height:32px; border-radius:6px;
  background:linear-gradient(135deg,var(--c-accent),#818cf8);
  opacity:.3;
}

.entry-body { flex:1; min-width:0; }
.entry-name {
  font-size:.95rem; font-weight:600; margin-bottom:4px;
  color:var(--c-text); line-height:1.4;
}
.entry-desc {
  font-size:.8rem; color:var(--c-text-2); line-height:1.6;
  margin-bottom:8px;
  display:-webkit-box; -webkit-line-clamp:2;
  -webkit-box-orient:vertical; overflow:hidden;
}
.entry-meta { display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.entry-score {
  font-size:1.1rem; font-weight:800; color:var(--c-accent);
  min-width:28px; text-align:center;
}
.entry-tags { display:flex; gap:4px; }
.tag {
  font-size:.65rem; padding:2px 7px; border-radius:4px;
  background:var(--c-tag-bg); color:var(--c-text-3);
  font-weight:500;
}

/* ─── Product Detail ─── */
.back-link {
  display:inline-flex; align-items:center; gap:6px;
  font-size:.85rem; font-weight:500; color:var(--c-text-3);
  padding:8px 0; margin-bottom:20px;
  transition:color .15s;
}
.back-link:hover { color:var(--c-accent); }

.detail-card {
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.detail-hero {
  padding:32px;
  border-bottom:1px solid var(--c-border);
}
.detail-hero .entry-meta { margin-bottom:16px; }
.detail-title {
  font-size:1.75rem; font-weight:700;
  letter-spacing:-.02em; line-height:1.3; margin-bottom:8px;
}
.detail-subtitle {
  color:var(--c-text-2); font-size:.95rem;
  line-height:1.7; margin-bottom:20px;
}
.detail-actions { display:flex; gap:12px; align-items:center; flex-wrap:wrap; }
.detail-score-badge {
  font-size:2rem; font-weight:800; color:var(--c-accent);
  line-height:1;
}
.btn {
  display:inline-flex; align-items:center; gap:6px;
  padding:8px 16px; border-radius:6px;
  font-weight:600; font-size:.85rem;
  transition:all .15s var(--ease);
  cursor:pointer; border:none;
}
.btn-primary { background:var(--c-accent-l); color:var(--c-accent); }
.btn-primary:hover { background:var(--c-accent); color:#fff; }
.btn-ghost { background:transparent; color:var(--c-text-2); border:1px solid var(--c-border); }
.btn-ghost:hover { border-color:var(--c-accent); color:var(--c-accent); }
/* 标星按钮 */
.btn-star { gap:6px; }
.btn-star .star-ic { transition: fill .15s var(--ease), transform .15s var(--ease); }
.btn-star:hover .star-ic { transform: scale(1.15); }
.btn-star.is-starred { color:var(--c-amber); border-color:var(--c-amber); background:#fffbeb; }
.btn-star.is-starred .star-ic { fill:var(--c-amber); }
.btn-star.is-starred:hover { background:#fef3c7; }

.detail-body {
  display:grid; grid-template-columns:1fr 300px;
}
.detail-main { padding:32px; }
.detail-aside {
  padding:32px 24px;
  background:var(--c-bg);
  border-left:1px solid var(--c-border);
}

.section { margin-bottom:32px; }
.section:last-child { margin-bottom:0; }
.section-title {
  display:flex; align-items:center; gap:8px;
  font-size:.95rem; font-weight:600; margin-bottom:12px;
  color:var(--c-text);
}
.section-title .ic {
  width:28px; height:28px; border-radius:6px;
  display:flex; align-items:center; justify-content:center;
  background:var(--c-accent-l); color:var(--c-accent);
  flex-shrink:0;
}
.section p { color:var(--c-text-2); line-height:1.8; font-size:.9rem; }

.use-case-list { list-style:none; }
.use-case-list li {
  padding:8px 0; border-bottom:1px solid var(--c-border-l);
  color:var(--c-text-2); font-size:.9rem;
  display:flex; align-items:flex-start; gap:8px;
}
.use-case-list li:last-child { border-bottom:none; }
.use-case-list li::before {
  content:''; width:5px; height:5px; border-radius:50%;
  background:var(--c-accent); flex-shrink:0; margin-top:8px;
}

.competitor-card {
  padding:14px; background:var(--c-surface);
  border:1px solid var(--c-border); border-radius:var(--radius);
  margin-bottom:10px;
}
.competitor-card:last-child { margin-bottom:0; }
.competitor-name { font-weight:600; font-size:.9rem; margin-bottom:2px; }
.competitor-name a { color:var(--c-accent); }
.competitor-name a:hover { text-decoration:underline; }
.competitor-desc { color:var(--c-text-3); font-size:.8rem; }

.aside-block { margin-bottom:24px; }
.aside-block:last-child { margin-bottom:0; }
.aside-label {
  font-size:.7rem; font-weight:600; text-transform:uppercase;
  letter-spacing:.06em; color:var(--c-text-3); margin-bottom:10px;
}
.screenshot-img {
  border-radius:var(--radius); overflow:hidden;
  border:1px solid var(--c-border); margin-bottom:8px;
  cursor:pointer; transition: box-shadow .2s;
}
.screenshot-img:hover { box-shadow: var(--shadow-md); }
a[data-fancybox] { display:block; text-decoration:none; }
.aside-tags { display:flex; flex-wrap:wrap; gap:6px; }
.meta-row {
  display:flex; justify-content:space-between;
  padding:8px 0; border-bottom:1px solid var(--c-border-l);
  font-size:.85rem;
}
.meta-row:last-child { border-bottom:none; }
.meta-row .label { color:var(--c-text-3); }
.meta-row .value { color:var(--c-text-2); font-weight:500; }

.source-links { display:flex; flex-direction:column; gap:6px; }
.source-link {
  display:inline-flex; align-items:center; gap:6px;
  font-size:.85rem; color:var(--c-accent); font-weight:500;
  padding:4px 0; transition:color .15s;
}
.source-link:hover { color:var(--c-accent-d); }

/* ─── Weekly Deep Dive ─── */
.weekly-reference {
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:14px 16px; margin-bottom:20px;
  background:var(--c-accent-l);
  border:1px solid var(--c-border);
  border-radius:var(--radius);
  color:var(--c-text-2); font-size:.88rem;
}
.weekly-reference a {
  display:inline-flex; align-items:center; gap:6px;
  color:var(--c-accent); font-weight:600;
}
.weekly-reference a:hover { color:var(--c-accent-d); }
.weekly-metric-grid {
  display:grid; grid-template-columns:repeat(3,1fr); gap:10px;
  margin-bottom:24px;
}
.weekly-metric {
  padding:12px; background:var(--c-bg);
  border:1px solid var(--c-border-l);
  border-radius:var(--radius);
}
.weekly-metric strong {
  display:block; font-size:1.25rem; color:var(--c-accent);
  line-height:1.2; margin-bottom:2px;
}
.weekly-metric span { font-size:.75rem; color:var(--c-text-3); }

/* ─── Archive Table ─── */
.archive-wrap {
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.archive-table { width:100%; border-collapse:collapse; }
.archive-table th {
  text-align:left; font-size:.7rem; font-weight:600;
  text-transform:uppercase; letter-spacing:.06em;
  color:var(--c-text-3); padding:12px 20px;
  background:var(--c-bg); border-bottom:1px solid var(--c-border);
}
.archive-table td {
  padding:14px 20px; border-bottom:1px solid var(--c-border-l);
  font-size:.9rem; vertical-align:top;
}
.archive-table tr:last-child td { border-bottom:none; }
.archive-table tr:hover td { background:var(--c-accent-l); }
.archive-date {
  white-space:nowrap; font-weight:600;
  color:var(--c-accent); width:110px;
}
.archive-products { color:var(--c-text-2); line-height:1.8; }
.archive-products a {
  color:var(--c-text); font-weight:500;
  transition:color .15s;
}
.archive-products a:hover { color:var(--c-accent); }
.archive-count {
  width:50px; text-align:center;
  color:var(--c-text-3); font-weight:600;
}

/* ─── Empty State ─── */
.empty {
  text-align:center; padding:80px 24px;
  color:var(--c-text-3);
}
.empty-icon {
  width:56px; height:56px; margin:0 auto 16px;
  border-radius:50%; background:var(--c-tag-bg);
  display:flex; align-items:center; justify-content:center;
  color:var(--c-text-3);
}
.empty h2 { font-size:1.1rem; color:var(--c-text-2); margin-bottom:4px; }
.empty p { font-size:.9rem; }

/* ─── Footer ─── */
.site-footer {
  border-top:1px solid var(--c-border);
  padding:24px 0; text-align:center;
  color:var(--c-text-3); font-size:.8rem;
}
.footer-links {
  display:flex; justify-content:center; gap:20px;
  margin-bottom:8px;
}
.footer-links a {
  color:var(--c-text-2); font-size:.85rem;
  transition:color .15s;
}
.footer-links a:hover { color:var(--c-accent); }

/* ─── Responsive: iPhone 16 (393px) + Desktop (1280px) ─── */
/* 默认样式 = iPhone 16 */
.detail-body { grid-template-columns:1fr; }
.detail-aside { border-top:1px solid var(--c-border); }
.hero { padding:32px 0 28px; margin-bottom:28px; }
.hero-stats { gap:16px; }
.product-entry { gap:12px; padding:12px; }
.entry-thumb { width:56px; height:56px; }
.blog-post { margin-bottom:32px; padding-bottom:28px; }
.detail-hero { padding:24px; }
.detail-main { padding:24px; }
.detail-aside { padding:24px; }
.detail-title { font-size:1.4rem; }
.archive-table th, .archive-table td { padding:10px 14px; }
.archive-date { width:90px; font-size:.8rem; }
.container { padding:0 16px; }
.container-wide { padding:0 16px; }
.site-header .container-wide { height:48px; }
.site-nav a { padding:5px 10px; font-size:.8rem; }

/* 桌面 ≥768px（适配 1280px） */
@media (min-width:768px) {
  .container { padding:0 24px; }
  .container-wide { padding:0 24px; }
  .site-header .container-wide { height:56px; }
  .site-nav a { padding:6px 14px; font-size:.875rem; }
  .hero { padding:48px 0 40px; margin-bottom:40px; }
  .hero-stats { gap:24px; }
  .product-entry { gap:16px; padding:16px; }
  .entry-thumb { width:72px; height:72px; }
  .blog-post { margin-bottom:48px; padding-bottom:40px; }
  .detail-hero { padding:32px; }
  .detail-main { padding:32px; }
  .detail-aside { padding:32px 24px; border-top:none; border-left:1px solid var(--c-border); }
  .detail-body { grid-template-columns:1fr 340px; }
  .detail-title { font-size:1.75rem; }
  .archive-table th, .archive-table td { padding:14px 20px; }
  .archive-date { width:110px; font-size:.9rem; }
}
@media (max-width:767px) {
  .weekly-reference { display:block; }
  .weekly-reference a { margin-top:8px; }
  .weekly-metric-grid { grid-template-columns:1fr; }
}