/* ══════════════════════════════════════════════════════════════
   TORVANE 特征层(nickel 设计语言)
   ──────────────────────────────────────────────────────────────
   处理【变量表达不了】的东西:
     · 字距 / 大小写 / 字重
     · 边框风格 / 卡片结构
     · 阴影层次 / 悬停行为
     · 内页特有的布局微调
   ══════════════════════════════════════════════════════════════ */

/* ═══════════ ① 排版:Manrope 的圆润+高字重,不用大写 ═══════════ */
.section-title, h1, h2, h3 {
  font-family: var(--font-head);
  text-transform: none;
  letter-spacing: -0.022em;
  font-weight: 800;
}
.section-title em, .section-title span { color: var(--accent); font-style: normal; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--muted);
}
.link-arrow { font-weight: 700; letter-spacing: -0.01em; }

/* ═══════════ ② 按钮:药丸 + 实心绿,不要渐变 ═══════════ */
.btn, .card__btn, .pd__btn, button[type=submit] {
  border-radius: var(--r-pill);
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: -0.005em;
  text-transform: none;
  font-size: var(--fs-lg);
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  border: 0;
  box-shadow: 0 2px 10px rgba(var(--accent-rgb), .18);
  transition: transform .18s ease, box-shadow .18s ease;
}
.btn:hover, .card__btn:hover, .pd__btn:hover, button[type=submit]:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(var(--accent-rgb), .26);
}
.card__btn {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  box-shadow: none;
  font-size: var(--fs-base2);
  padding: 11px 20px;
}
.card__btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 14px rgba(var(--accent-rgb), .22);
}

/* ═══════════ ③ 卡片:白底 + 柔和阴影 + 大圆角 ═══════════ */
.cat, .card, .prod-card, .review, .blog-card, .yt-card, .sc-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-16);
  box-shadow: 0 1px 3px rgba(30, 42, 36, .04), 0 8px 24px rgba(30, 42, 36, .03);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.cat:hover, .card:hover, .prod-card:hover, .blog-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-light);
  box-shadow: 0 4px 14px rgba(30, 42, 36, .06), 0 18px 44px rgba(30, 42, 36, .07);
}
.cat__img, .card__img, .prod-card__img {
  border-radius: var(--r-12);
  background-color: var(--surface-2);
}

/* ═══════════ ④ 表单/筛选:浅色描边 + 大圆角 ═══════════════ */
.filter-group select, .filter-group input,
input[type=text], input[type=email], input[type=search], textarea, select {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-10);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-base2);
  padding: 11px 14px;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.filter-group select:focus, input:focus, textarea:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), .12);
  outline: none;
}

/* ═══════════ ⑤ 页头/页脚:浅色统一 ═══════════════ */
.topbar, .site-header, header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.nav__link, .topbar a { color: var(--text-2); font-weight: 600; }
.nav__link:hover { color: var(--accent); }
.footer {
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  color: var(--text-2);
}
.footer__h { color: var(--text); font-family: var(--font-head); font-weight: 800; }
.footer a { color: var(--muted); }
.footer a:hover { color: var(--accent); }

/* ═══════════ ⑥ 内页:面包屑/分页/标签 ═══════════════ */
.breadcrumb, .crumbs { color: var(--muted); font-size: var(--fs-sm); }
.breadcrumb a, .crumbs a { color: var(--text-2); }
.badge, .tag, .pill {
  border-radius: var(--r-pill);
  background: var(--accent-light);
  color: var(--accent-dark);
  font-weight: 700;
  font-size: var(--fs-xs);
  padding: 5px 12px;
  border: 0;
}
.pagination a, .page-link {
  border-radius: var(--r-10);
  border: 1.5px solid var(--border);
  background: var(--surface);
}
.pagination a:hover, .page-link:hover,
.pagination .active, .page-link.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ═══════════ ⑦ 表格(对比/规格/订单)═══════════════ */
.compare-table, table { border-color: var(--border); }
.compare-table th, table th {
  background: var(--surface-2);
  color: var(--text);
  font-family: var(--font-head);
  font-weight: 700;
}
.compare-table td, table td { border-color: var(--border-light); }
.compare-table tr:hover td { background: var(--surface-2); }

/* ═══════════ ⑧ 深色区块反相(nickel 的对比区)═══════════════ */
.trust, .stats, .cta-band {
  background: var(--accent);
  color: #fff;
  border-radius: var(--r-16);
}
.trust *, .stats * { color: #fff; }
.trust strong, .stats strong { color: #fff; font-family: var(--font-head); }

/* ═══════════ ⑨ 无障碍:焦点环 ═══════════ */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ═══ 海报模式:文案已由海报提供 ═══ */
/* 元素保留在 DOM 中(SEO + 屏幕阅读器可读),仅视觉隐藏 */
.nk-hero__text {
  position: absolute !important;
  width: 1px !important; height: 1px !important;
  padding: 0 !important; margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important; border: 0 !important;
}

/* 海报容器:全屏铺满 */
.nk-hero__video-wrap { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.nk-hero__video-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
/* ═══ 覆盖模板的 55% 侧栏布局:海报改为全屏 ═══ */
.nk-hero__video {
  position: absolute !important;
  inset: 0 !important;
  top: 0 !important; right: 0 !important; bottom: 0 !important; left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  display: block !important;
  object-fit: cover !important;
  border-bottom-left-radius: 0 !important;
}
.nk-hero__video-wrap { position: absolute !important; inset: 0 !important; width: 100% !important; height: 100% !important; z-index: 0; display: block !important; }
.nk-hero__video-wrap img { position: absolute !important; inset: 0 !important; width: 100% !important; height: 100% !important; object-fit: cover !important; }


/* ═══ 海报左对齐:保留品牌名与标题(海报文案都在左侧)═══ */
.nk-hero__video-wrap img, .nk-hero__video {
  object-position: left center !important;
}