/* ============================================================
   HomeTest Kitchen & Pet — 联盟静态站样式
   设计目标：极快加载、移动端优先、被 AI/Google 友好抽取
   品牌：Kitchen（中性，可扩展 pets/home）
   ============================================================ */
:root {
  --bg: #f6f8fb;
  --card: #ffffff;
  --ink: #1c2430;
  --muted: #5b6b7f;
  --brand: #ea580c;            /* 厨房暖橙 */
  --brand-dark: #c2410c;
  --line: #e5eaf1;
  --accent: #16a34a;           /* 转化 CTA 绿 */
  --accent-dark: #15803d;
  --ok: #16a34a;
  --warn-bg: #fffbeb;
  --warn-line: #fde68a;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(16,24,40,.08), 0 8px 24px rgba(16,24,40,.06);
  --maxw: 860px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 16px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif; background: var(--bg); color: var(--ink); }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

/* 顶部导航 */
.site-header { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 30; }
.nav-wrap { max-width: var(--maxw); margin: 0 auto; padding: 14px 20px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { font-weight: 800; font-size: 1.15rem; color: var(--ink); letter-spacing: -.01em; }
.brand span { color: var(--brand); }
.nav-links { display: flex; gap: 18px; font-size: .95rem; flex-wrap: wrap; }
.nav-links a { color: var(--muted); font-weight: 600; }
.nav-links a:hover { color: var(--brand); text-decoration: none; }
.nav-links a.active { color: var(--brand); }

/* 主体 */
main { max-width: var(--maxw); margin: 0 auto; padding: 28px 20px 60px; }
.page { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 32px 34px; }

/* hero */
.hero { background: linear-gradient(135deg,#c2410c 0%,#ea580c 55%,#f97316 100%); color:#fff; border-radius: var(--radius); padding: 40px 34px; margin-bottom: 26px; }
.hero h1 { margin: 0 0 10px; font-size: 2rem; line-height: 1.2; }
.hero p { margin: 0; opacity: .94; font-size: 1.05rem; max-width: 660px; }
.hero .badges { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; }
.badge { background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.28); padding: 4px 12px; border-radius: 999px; font-size: .82rem; }

/* 场景导航卡 */
.scene-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin: 18px 0 26px; }
@media (min-width: 640px) { .scene-grid { grid-template-columns: 1fr 1fr; } }
.scene-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow); }
.scene-card h3 { margin: 0 0 8px; font-size: 1.15rem; }
.scene-card h3 a { color: var(--ink); }
.scene-card h3 a:hover { color: var(--brand); text-decoration: none; }
.scene-card p { margin: 0; color: var(--muted); font-size: .95rem; }

/* 文章卡片 */
.post-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 640px) { .post-grid { grid-template-columns: 1fr 1fr; } }
.post-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow); transition: transform .15s ease, box-shadow .15s ease; display: flex; flex-direction: column; }
.post-card:hover { transform: translateY(-2px); box-shadow: 0 4px 6px rgba(16,24,40,.06),0 14px 34px rgba(16,24,40,.1); }
.post-card h3 { margin: 0 0 8px; font-size: 1.12rem; line-height: 1.35; }
.post-card h3 a { color: var(--ink); }
.post-card h3 a:hover { color: var(--brand); text-decoration: none; }
.post-card .meta { font-size: .8rem; color: var(--muted); margin-bottom: 10px; }
.post-card p { margin: 0 0 14px; color: var(--muted); font-size: .95rem; flex: 1; }
.tag { display: inline-block; background: #fff1e6; color: var(--brand-dark); font-size: .75rem; font-weight: 700; padding: 2px 10px; border-radius: 999px; margin-right: 6px; }
.tag.pet { background: #ecfdf5; color: var(--accent-dark); }
.tag.bounty { background: #eff6ff; color: #1d4ed8; }

/* 文章正文 */
.post h1 { font-size: 1.85rem; line-height: 1.25; margin: 0 0 6px; }
.post .post-meta { color: var(--muted); font-size: .88rem; margin-bottom: 24px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.post h2 { font-size: 1.35rem; margin: 34px 0 12px; padding-top: 6px; }
.post h3 { font-size: 1.1rem; margin: 24px 0 8px; }
.post p, .post li { color: #2b3648; }
.post ul, .post ol { padding-left: 22px; }
.post li { margin: 6px 0; }
.post blockquote { margin: 18px 0; padding: 12px 18px; border-left: 4px solid var(--brand); background: #fff6ef; border-radius: 0 8px 8px 0; color: #5a3a1f; }
.post .toc { background: #f7f9fc; border: 1px solid var(--line); border-radius: 10px; padding: 14px 20px; margin: 18px 0 26px; font-size: .92rem; }
.post .toc b { display: block; margin-bottom: 6px; }
.post .toc a { display: inline-block; margin: 2px 14px 2px 0; }

/* 首段直答框（answer-box，利于 AI/精选摘要抽取） */
.answer-box { background: #fff6ef; border: 1px solid #ffd9b8; border-left: 4px solid var(--brand); border-radius: 0 10px 10px 0; padding: 14px 18px; margin: 0 0 24px; font-size: 1.02rem; }
.answer-box p { margin: 0; color: #4a2e14; }
.answer-box .ab-label { display: block; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--brand-dark); margin-bottom: 6px; }

/* affiliate 披露框（合规三件套之一） */
.affiliate-disclosure { background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: 10px; padding: 12px 16px; font-size: .88rem; color: #92400e; margin: 0 0 24px; }
.affiliate-disclosure strong { color: #78350f; }

/* 价格免责声明（合规三件套之一） */
.price-disclaimer { background: #f0f7ff; border: 1px solid #cfe1ff; border-radius: 8px; padding: 10px 14px; font-size: .85rem; color: #1e40af; margin: 14px 0; }

/* sticky CTA 按钮（吃 89 天购物车，引导加购） */
.sticky-cta { position: sticky; bottom: 0; z-index: 25; background: rgba(255,255,255,.96); border-top: 1px solid var(--line); padding: 12px 18px; box-shadow: 0 -4px 14px rgba(16,24,40,.08); display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.sticky-cta .cta-text { font-size: .9rem; color: var(--ink); font-weight: 600; }
.btn-cta { display: inline-block; background: var(--accent); color: #fff; font-weight: 700; font-size: .95rem; padding: 10px 20px; border-radius: 999px; text-decoration: none; box-shadow: 0 2px 6px rgba(22,163,74,.35); }
.btn-cta:hover { background: var(--accent-dark); text-decoration: none; }
.btn-cta.secondary { background: var(--brand); box-shadow: 0 2px 6px rgba(234,88,12,.3); }
.btn-cta.secondary:hover { background: var(--brand-dark); }

/* 产品卡（联盟推荐位，价格划线 + 加购 CTA） */
.product-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin: 16px 0; box-shadow: var(--shadow); }
.product-card h4 { margin: 0 0 6px; font-size: 1.05rem; }
.product-card .price-row { display: flex; align-items: baseline; gap: 10px; margin: 8px 0; flex-wrap: wrap; }
.product-card .price-now { font-size: 1.3rem; font-weight: 800; color: var(--brand-dark); }
.product-card .price-was { font-size: .95rem; color: var(--muted); text-decoration: line-through; }
.product-card .stars { color: var(--accent); font-size: .9rem; }
.product-card p { font-size: .92rem; color: var(--muted); }

/* 表格 */
.table-wrap { overflow-x: auto; margin: 18px 0; }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
th, td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; }
th { background: #f4f7fb; font-weight: 700; }

/* 提示框 */
.callout { border-radius: 10px; padding: 14px 18px; margin: 18px 0; font-size: .95rem; }
.callout.tip { background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46; }
.callout.warn { background: var(--warn-bg); border: 1px solid var(--warn-line); color: #92400e; }
.callout.info { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af; }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq-item h3 { margin: 0 0 8px; font-size: 1.02rem; }
.faq-item p { margin: 0; color: var(--muted); font-size: .95rem; }
.fig { margin: 24px 0; }
.fig svg { width: 100%; height: auto; display: block; }
.fig figcaption { font-size: .85rem; color: var(--muted); margin-top: 8px; text-align: center; }

/* 方法论框（E-E-A-T，怎么得出这个结论） */
.method-box { background: #f7f9fc; border: 1px solid var(--line); border-left: 4px solid var(--muted); border-radius: 0 10px 10px 0; padding: 14px 18px; margin: 22px 0; font-size: .9rem; color: var(--muted); }
.method-box b { color: var(--ink); }

/* 邮件订阅 */
.subscribe { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px; box-shadow: var(--shadow); margin: 26px 0; }
.subscribe h3 { margin: 0 0 8px; }
.subscribe p { color: var(--muted); font-size: .95rem; margin: 0 0 14px; }
.subscribe form { display: flex; gap: 10px; flex-wrap: wrap; }
.subscribe input[type=email] { flex: 1; min-width: 180px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 8px; font-size: .95rem; }
.subscribe .btn-cta { align-self: stretch; }

/* 底部 */
.site-footer { border-top: 1px solid var(--line); background: var(--card); margin-top: 20px; }
.footer-wrap { max-width: var(--maxw); margin: 0 auto; padding: 22px 20px 34px; font-size: .84rem; color: var(--muted); text-align: center; }
.footer-wrap a { color: var(--muted); text-decoration: underline; }

/* 404 */
.notfound { text-align: center; padding: 70px 20px; }
.notfound h1 { font-size: 4rem; margin: 0; color: var(--brand); }
.notfound p { color: var(--muted); margin: 10px 0 24px; }

/* 视觉粘连·克制型（三件：数据图渐显 / 场景卡渐显 / 吸底 CTA 显隐 + 订阅提示） */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity .5s ease, transform .5s ease; }
.reveal.is-revealed { opacity: 1; transform: none; }
.sticky-cta { opacity: 0; pointer-events: none; transition: opacity .3s ease; }
.sticky-cta.is-visible { opacity: 1; pointer-events: auto; }
.sub-hint { display: none; font-size: .85rem; color: var(--accent-dark); margin-top: 10px; }
.sub-hint.show { display: block; }

:focus-visible { outline: 3px solid #fdba74; outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto; } }