/*
 Theme Name: ZOOSHEN
 Theme URI: https://zooshen.com
 Description: SEO-FIRST COMMERCE 淋浴过滤品牌主题 — Clean, editorial, conversion-focused.
 Version: 1.0.0
 Author: ZOOSHEN
 Requires at least: 6.4
 Tested up to: 6.8
 Requires PHP: 8.1
 Text Domain: zooshen
 Tags: blog, e-commerce, custom-logo, featured-images, full-width-template
*/

:root {
  --zs-bg: #FAF8F4;
  --zs-surface: #FFFFFF;
  --zs-foreground: #1E2421;
  --zs-muted: #6C6C64;
  --zs-accent: #4F8A7E;
  --zs-accent-dark: #3A6B61;
  --zs-accent-soft: #E6EFEC;
  --zs-border: #E6E1D8;
  --zs-muted-bg: #F1EDE6;
  --zs-radius: 14px;
  --zs-radius-sm: 10px;
  --zs-shadow: 0 1px 2px rgba(30,36,33,.04), 0 8px 24px rgba(30,36,33,.06);
  --zs-shadow-lg: 0 12px 40px rgba(30,36,33,.12);
  --zs-maxw: 1200px;
  --zs-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  --zs-font-serif: "Songti SC", "Noto Serif SC", Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--zs-font);
  background: var(--zs-bg);
  color: var(--zs-foreground);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--zs-accent-dark); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--zs-accent); }

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--zs-foreground); margin: 0 0 .6em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }

p { margin: 0 0 1.1em; }

.container { max-width: var(--zs-maxw); margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1320px; margin: 0 auto; padding: 0 24px; }

/* ===== Buttons ===== */
.zs-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 600;
  font-size: 15px; border: 1px solid transparent; cursor: pointer;
  transition: all .18s ease; line-height: 1; white-space: nowrap;
}
.zs-btn-primary { background: var(--zs-accent); color: #fff; box-shadow: var(--zs-shadow); }
.zs-btn-primary:hover { background: var(--zs-accent-dark); color: #fff; transform: translateY(-1px); }
.zs-btn-ghost { background: transparent; color: var(--zs-foreground); border-color: var(--zs-border); }
.zs-btn-ghost:hover { border-color: var(--zs-accent); color: var(--zs-accent-dark); }

/* ===== Header ===== */
.zs-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250,248,244,.86); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--zs-border);
}
.zs-header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.zs-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.35rem; color: var(--zs-foreground); letter-spacing: -.02em; }
.zs-logo .zs-mark { width: 30px; height: 30px; border-radius: 8px; background: var(--zs-accent); display: grid; place-items: center; color: #fff; font-size: .95rem; font-weight: 800; }
/* ===== Primary nav (4-section mega menu) ===== */
.zs-nav { display: flex; align-items: center; gap: 6px; }
.zs-nav-item { position: relative; }
.zs-nav-link { display: inline-flex; align-items: center; gap: 5px; padding: 10px 14px; color: var(--zs-foreground); font-weight: 600; font-size: 15px; border-radius: 10px; }
.zs-nav-link::after { content: "▾"; font-size: 10px; opacity: .5; }
.zs-nav-item:last-child .zs-nav-link::after { content: ""; }
.zs-nav-link:hover, .zs-nav-item:hover > .zs-nav-link { color: var(--zs-accent-dark); background: var(--zs-accent-soft); }

.zs-mega {
  position: absolute; top: calc(100% + 6px); left: 0;
  display: none; gap: 28px;
  background: var(--zs-surface); border: 1px solid var(--zs-border);
  border-radius: var(--zs-radius); box-shadow: var(--zs-shadow-lg);
  padding: 20px 24px; min-width: 320px; z-index: 60;
}
.zs-mega-wide { min-width: 460px; }
.zs-nav-item:hover > .zs-mega,
.zs-nav-item:focus-within > .zs-mega { display: flex; }
.zs-mega-col { display: flex; flex-direction: column; gap: 4px; min-width: 170px; }
.zs-mega-h { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--zs-muted); font-weight: 700; margin-bottom: 6px; }
.zs-mega-col a { color: var(--zs-foreground); font-weight: 500; font-size: 14.5px; padding: 6px 8px; border-radius: 8px; }
.zs-mega-col a:hover { background: var(--zs-accent-soft); color: var(--zs-accent-dark); }

.zs-nav-toggle { display: none; background: none; border: 0; font-size: 26px; cursor: pointer; color: var(--zs-foreground); }

/* ===== Search ===== */
.zs-search { display: flex; align-items: center; background: var(--zs-muted-bg); border: 1px solid var(--zs-border); border-radius: 999px; padding: 4px 6px 4px 14px; }
.zs-search input { border: 0; background: transparent; outline: none; font: inherit; font-size: 14px; width: 180px; color: var(--zs-foreground); }
.zs-search button { border: 0; background: var(--zs-accent); color: #fff; width: 32px; height: 32px; border-radius: 50%; cursor: pointer; font-size: 16px; line-height: 1; }
.zs-search button:hover { background: var(--zs-accent-dark); }
@media (max-width: 1080px) { .zs-search { display: none; } }

/* ===== Hero ===== */
.zs-hero { position: relative; padding: 88px 0 72px; overflow: hidden; }
.zs-hero::before { content:""; position: absolute; inset: 0; background: radial-gradient(900px 420px at 78% -10%, var(--zs-accent-soft), transparent 60%); pointer-events: none; }
.zs-hero-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; position: relative; }
.zs-hero h1 { margin-bottom: .35em; }
.zs-hero .zs-lead { font-size: 1.18rem; color: var(--zs-muted); max-width: 30em; margin-bottom: 1.8em; }
.zs-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.zs-hero-visual { border-radius: 20px; overflow: hidden; box-shadow: var(--zs-shadow-lg); background: var(--zs-muted-bg); aspect-ratio: 4/3.4; }
.zs-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; }
.zs-badge { font-size: 12.5px; font-weight: 600; color: var(--zs-accent-dark); background: var(--zs-accent-soft); padding: 6px 13px; border-radius: 999px; }

/* ===== Section ===== */
.zs-section { padding: 72px 0; }
.zs-section-head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.zs-section-head .zs-eyebrow { font-size: 13px; text-transform: uppercase; letter-spacing: .14em; color: var(--zs-accent); font-weight: 700; margin-bottom: 12px; }
.zs-section-head p { color: var(--zs-muted); font-size: 1.05rem; }

/* ===== Cards grid ===== */
.zs-grid { display: grid; gap: 22px; }
.zs-grid-3 { grid-template-columns: repeat(3, 1fr); }
.zs-grid-4 { grid-template-columns: repeat(4, 1fr); }
.zs-grid-2 { grid-template-columns: repeat(2, 1fr); }
.zs-card { background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); padding: 26px; box-shadow: var(--zs-shadow); transition: transform .2s ease, box-shadow .2s ease; }
.zs-card:hover { transform: translateY(-3px); box-shadow: var(--zs-shadow-lg); }
.zs-card .zs-card-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--zs-accent-soft); color: var(--zs-accent-dark); display: grid; place-items: center; font-size: 20px; margin-bottom: 16px; }
.zs-card h3 { font-size: 1.18rem; margin-bottom: 8px; }
.zs-card p { color: var(--zs-muted); font-size: .95rem; margin: 0; }

/* ===== Product card ===== */
.zs-product { background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); overflow: hidden; box-shadow: var(--zs-shadow); transition: transform .2s ease, box-shadow .2s ease; display: flex; flex-direction: column; }
.zs-product:hover { transform: translateY(-3px); box-shadow: var(--zs-shadow-lg); }
.zs-product-img { aspect-ratio: 1; background: var(--zs-muted-bg); display: grid; place-items: center; overflow: hidden; }
.zs-product-img img { width: 100%; height: 100%; object-fit: cover; }
.zs-product-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.zs-product-body h3 { font-size: 1.05rem; margin: 0; }
.zs-product-cat { font-size: 12px; color: var(--zs-accent); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.zs-product-price { font-size: 1.15rem; font-weight: 700; color: var(--zs-foreground); margin-top: auto; }
.zs-product-price small { font-size: .8rem; color: var(--zs-muted); font-weight: 500; }

/* ===== Stats ===== */
.zs-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.zs-stat { text-align: center; padding: 28px 18px; background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); }
.zs-stat .zs-num { font-size: 2.2rem; font-weight: 800; color: var(--zs-accent-dark); line-height: 1; }
.zs-stat .zs-label { color: var(--zs-muted); font-size: .9rem; margin-top: 8px; }

/* ===== CTA band ===== */
.zs-cta { background: var(--zs-foreground); color: #fff; border-radius: 22px; padding: 56px; text-align: center; }
.zs-cta h2 { color: #fff; }
.zs-cta p { color: rgba(255,255,255,.78); max-width: 40em; margin: 0 auto 26px; }
.zs-cta .zs-btn-primary { background: var(--zs-accent); }
.zs-cta .zs-btn-ghost { color: #fff; border-color: rgba(255,255,255,.3); }

/* ===== Footer ===== */
.zs-footer { background: var(--zs-foreground); color: rgba(255,255,255,.72); padding: 60px 0 36px; margin-top: 80px; }
.zs-footer a { color: rgba(255,255,255,.72); }
.zs-footer a:hover { color: #fff; }
.zs-footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 28px; }
.zs-footer h4 { color: #fff; font-size: .95rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 16px; }
.zs-footer ul { list-style: none; padding: 0; margin: 0; }
.zs-footer li { margin-bottom: 9px; font-size: .92rem; }
.zs-footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 40px; padding-top: 22px; font-size: .85rem; color: rgba(255,255,255,.5); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* ===== Breadcrumbs ===== */
.zs-crumbs { font-size: .85rem; color: var(--zs-muted); padding: 18px 0 0; }
.zs-crumbs a { color: var(--zs-muted); }
.zs-crumbs a:hover { color: var(--zs-accent-dark); }
.zs-crumbs span { margin: 0 8px; }

/* ===== Article layout ===== */
.zs-article { max-width: 760px; margin: 0 auto; }
.zs-article .zs-lede { font-size: 1.2rem; color: var(--zs-muted); }
.zs-article h2 { margin-top: 1.8em; }
.zs-article h3 { margin-top: 1.4em; }
.zs-article blockquote { border-left: 3px solid var(--zs-accent); margin: 1.6em 0; padding: 6px 22px; color: var(--zs-muted); font-style: italic; background: var(--zs-accent-soft); border-radius: 0 var(--zs-radius-sm) var(--zs-radius-sm) 0; }
.zs-article ul, .zs-article ol { padding-left: 1.3em; margin-bottom: 1.2em; }
.zs-article li { margin-bottom: .5em; }
.zs-prose-meta { display: flex; gap: 16px; align-items: center; color: var(--zs-muted); font-size: .88rem; margin-bottom: 30px; border-bottom: 1px solid var(--zs-border); padding-bottom: 22px; }

/* ===== Rating ===== */
.zs-rating { display: inline-flex; align-items: center; gap: 8px; }
.zs-stars { color: #F5A623; letter-spacing: 2px; }
.zs-rating-text { color: var(--zs-muted); font-size: .85rem; }

/* ===== WooCommerce product detail ===== */
.zs-product-detail { max-width: 1100px; margin-left: auto; margin-right: auto; }
.zs-product-detail .product { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.zs-product-detail .woocommerce-product-gallery { width: 100% !important; max-width: 100% !important; }
.zs-product-detail .summary { float: none !important; width: 100% !important; margin: 0 !important; }
.zs-product-detail .woocommerce-tabs { grid-column: 1 / -1; margin-top: 40px; }
.zs-product-detail .related { grid-column: 1 / -1; }
.zs-product-detail .price { color: var(--zs-accent-dark); font-size: 1.6rem; font-weight: 700; }
.zs-product-detail .button { border-radius: 999px; background: var(--zs-accent); color: #fff; }
.zs-product-detail .button:hover { background: var(--zs-accent-dark); }
.zs-product-detail .quantity .qty { border-radius: var(--zs-radius-sm); border: 1px solid var(--zs-border); padding: 8px 12px; }

/* ===== Product 12-block editorial sections ===== */
.zs-pblock { margin: 40px 0; padding-top: 36px; border-top: 1px solid var(--zs-border); }
.zs-pblock:first-child { border-top: 0; padding-top: 0; }
.zs-pblock h2 { font-size: 1.5rem; margin-bottom: 18px; }
.zs-prose { color: var(--zs-foreground); }
.zs-prose p { color: var(--zs-muted); }

.zs-benefit-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px; }
.zs-benefit-list li { position: relative; padding-left: 30px; color: var(--zs-foreground); font-weight: 500; }
.zs-benefit-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--zs-accent); font-weight: 800; }

.zs-spec-table { width: 100%; border-collapse: collapse; border: 1px solid var(--zs-border); border-radius: var(--zs-radius); overflow: hidden; }
.zs-spec-table th, .zs-spec-table td { text-align: left; padding: 13px 18px; border-bottom: 1px solid var(--zs-border); font-size: .95rem; }
.zs-spec-table th { width: 38%; background: var(--zs-muted-bg); color: var(--zs-foreground); font-weight: 600; }
.zs-spec-table tr:last-child th, .zs-spec-table tr:last-child td { border-bottom: 0; }

.zs-chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.zs-chip { background: var(--zs-accent-soft); color: var(--zs-accent-dark); padding: 8px 16px; border-radius: 999px; font-size: .92rem; font-weight: 600; }

.zs-pblock-limits { background: var(--zs-muted-bg); border-radius: var(--zs-radius); padding: 26px 28px; border: 0; }

.zs-faq { display: flex; flex-direction: column; gap: 10px; }
.zs-faq-item { background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius-sm); padding: 4px 20px; }
.zs-faq-item summary { cursor: pointer; font-weight: 600; padding: 14px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.zs-faq-item summary::-webkit-details-marker { display: none; }
.zs-faq-item summary::after { content: "+"; color: var(--zs-accent); font-size: 1.3rem; font-weight: 700; }
.zs-faq-item[open] summary::after { content: "−"; }
.zs-faq-a { padding: 0 0 16px; color: var(--zs-muted); }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .zs-hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .zs-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .zs-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .zs-stats { grid-template-columns: repeat(2, 1fr); }
  .zs-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .zs-nav-toggle { display: block; }
  .zs-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--zs-surface); border-bottom: 1px solid var(--zs-border);
    padding: 8px 16px 16px; box-shadow: var(--zs-shadow);
  }
  .zs-nav.open { display: flex; }
  .zs-nav-item { position: static; }
  .zs-nav-link { justify-content: space-between; padding: 13px 6px; border-bottom: 1px solid var(--zs-border); border-radius: 0; }
  .zs-nav-link::after { content: ""; }
  .zs-mega, .zs-mega-wide {
    position: static; display: flex; flex-direction: column; gap: 6px;
    box-shadow: none; border: 0; border-radius: 0; padding: 4px 0 12px 14px; min-width: 0;
  }
  .zs-mega-col { min-width: 0; }
  .zs-search { display: none; }
}
@media (max-width: 640px) {
  .zs-grid-2, .zs-grid-3, .zs-grid-4 { grid-template-columns: 1fr; }
  .zs-section { padding: 52px 0; }
  .zs-cta { padding: 36px 22px; }
  .zs-footer-grid { grid-template-columns: 1fr; }
}

/* ===== Floating inquiry button (global) ===== */
.zs-fab { position: fixed; right: 22px; bottom: 22px; z-index: 200; }
.zs-fab-btn { background: var(--zs-accent); color: #fff; border: 0; border-radius: 999px; padding: 15px 24px; font-weight: 700; font-size: 15px; box-shadow: var(--zs-shadow-lg); cursor: pointer; }
.zs-fab-btn:hover { background: var(--zs-accent-dark); }
.zs-fab-panel { position: absolute; right: 0; bottom: 64px; width: 320px; background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); box-shadow: var(--zs-shadow-lg); padding: 22px; }
.zs-fab-panel h3 { font-size: 1.1rem; margin: 0 0 4px; }
.zs-fab-sub { color: var(--zs-muted); font-size: .82rem; margin: 0 0 14px; }
.zs-fab-panel form { display: flex; flex-direction: column; gap: 10px; }
.zs-fab-panel input, .zs-fab-panel textarea { border: 1px solid var(--zs-border); border-radius: var(--zs-radius-sm); padding: 10px 12px; font: inherit; font-size: 14px; }
.zs-fab-panel textarea { min-height: 70px; resize: vertical; }
.zs-fab-panel .zs-btn { justify-content: center; }
.zs-fab-link { display: block; margin-top: 12px; font-size: .85rem; text-align: center; }

/* ===== Cert strip (product page) ===== */
.zs-cert-strip { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; background: var(--zs-accent-soft); border: 1px solid var(--zs-accent); border-radius: var(--zs-radius-sm); padding: 12px 16px; margin-bottom: 18px; font-size: .9rem; }
.zs-cert-badge { background: var(--zs-accent); color: #fff; font-weight: 700; padding: 4px 12px; border-radius: 999px; font-size: .8rem; }
.zs-cert-text { color: var(--zs-foreground); }
.zs-cert-link { margin-left: auto; color: var(--zs-accent-dark); font-weight: 600; }

/* ===== Bundle list (product page) ===== */
.zs-bundle-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.zs-bundle-list li { display: flex; gap: 12px; align-items: baseline; padding: 12px 16px; background: var(--zs-muted-bg); border-radius: var(--zs-radius-sm); }
.zs-bundle-qty { font-weight: 800; color: var(--zs-accent-dark); min-width: 34px; }

/* ===== B2B / business template ===== */
.zs-biz-hero { padding: 56px 0 36px; }
.zs-biz-hero h1 { font-size: clamp(2rem, 4vw, 3rem); }
.zs-biz-hero .zs-lead { font-size: 1.15rem; color: var(--zs-muted); max-width: 42em; }
.zs-table-wrap { overflow-x: auto; }
.zs-moq-table, .zs-tco-table { width: 100%; border-collapse: collapse; min-width: 560px; }
.zs-moq-table th, .zs-moq-table td, .zs-tco-table th, .zs-tco-table td { border: 1px solid var(--zs-border); padding: 14px 16px; text-align: left; font-size: .95rem; }
.zs-moq-table thead, .zs-tco-table thead { background: var(--zs-accent); color: #fff; }
.zs-moq-table thead th, .zs-tco-table thead th { font-weight: 700; }
.zs-moq-table tbody tr:nth-child(even), .zs-tco-table tbody tr:nth-child(even) { background: var(--zs-muted-bg); }
.zs-logo-wall { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.zs-logo-wall .zs-logo-ph { aspect-ratio: 3/2; background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius-sm); display: grid; place-items: center; color: var(--zs-muted); font-weight: 700; font-size: .85rem; }
.zs-case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.zs-case { background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); padding: 26px; box-shadow: var(--zs-shadow); }
.zs-case .zs-case-tag { font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; color: var(--zs-accent); font-weight: 700; }
.zs-case p { color: var(--zs-muted); font-size: .92rem; }
.zs-oem-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.zs-oem-step { background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); padding: 24px; }
.zs-oem-step .zs-step-n { width: 34px; height: 34px; border-radius: 50%; background: var(--zs-accent); color: #fff; display: grid; place-items: center; font-weight: 800; margin-bottom: 14px; }
.zs-biz-form { background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); padding: 32px; box-shadow: var(--zs-shadow); max-width: 640px; }
.zs-biz-form form { display: grid; gap: 14px; }
.zs-biz-form input, .zs-biz-form textarea, .zs-biz-form select { border: 1px solid var(--zs-border); border-radius: var(--zs-radius-sm); padding: 12px 14px; font: inherit; }
.zs-biz-form textarea { min-height: 110px; resize: vertical; }
.zs-note { font-size: .82rem; color: var(--zs-muted); background: var(--zs-muted-bg); border-radius: var(--zs-radius-sm); padding: 10px 14px; margin-top: 12px; }

@media (max-width: 960px) { .zs-logo-wall { grid-template-columns: repeat(3, 1fr); } .zs-case-grid { grid-template-columns: 1fr; } .zs-oem-steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .zs-logo-wall { grid-template-columns: repeat(2, 1fr); } .zs-oem-steps { grid-template-columns: 1fr; } .zs-fab-panel { width: calc(100vw - 44px); } }

/* ===== Category archive (Shop sub-pages) ===== */
.zs-cat-hero { margin: 18px 0 26px; }
.zs-cat-hero h1 { margin-bottom: 10px; }
.zs-cat-hero .zs-lead { color: var(--zs-muted); font-size: 1.1rem; max-width: 60ch; }
.zs-sortbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; padding: 10px 0; border-bottom: 1px solid var(--zs-border); font-size: .9rem; }
.zs-sortbar span { color: var(--zs-muted); font-weight: 600; }
.zs-sortbar a { padding: 6px 12px; border-radius: 999px; color: var(--zs-foreground); font-weight: 500; }
.zs-sortbar a.is-active, .zs-sortbar a:hover { background: var(--zs-accent-soft); color: var(--zs-accent-dark); }
.zs-product-grid { margin-top: 8px; }
.zs-product-title { font-size: 1.02rem; margin: 0; line-height: 1.3; }
.zs-product-meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.zs-product-price { font-weight: 700; color: var(--zs-foreground); }
.zs-stock { font-size: .78rem; color: var(--zs-muted); }
.zs-stock-in { color: var(--zs-accent-dark); font-weight: 600; }
.zs-product .zs-product-img img { width: 100%; aspect-ratio: 1/1; object-fit: cover; border-radius: var(--zs-radius-sm) var(--zs-radius-sm) 0 0; }

/* ===== Learn hub ===== */
.zs-learn-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.zs-learn-card { background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); padding: 26px 28px; box-shadow: var(--zs-shadow); }
.zs-learn-card h2 a { color: var(--zs-foreground); }
.zs-learn-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.zs-learn-links a { color: var(--zs-accent-dark); font-weight: 500; }
.zs-learn-links a:hover { text-decoration: underline; }

/* ===== Standards hub ===== */
.zs-cert-list { display: grid; gap: 16px; margin-top: 30px; }
.zs-cert-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); padding: 24px 28px; box-shadow: var(--zs-shadow); }
.zs-cert-pending { background: var(--zs-muted-bg); }
.zs-cert-row .zs-btn { white-space: nowrap; }

/* ===== Shared fallback helpers ===== */
.zs-eyebrow { color: var(--zs-accent-dark); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; font-size: .8rem; }
.zs-lead { font-size: 1.15rem; color: var(--zs-muted); }
.zs-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 22px; }
.zs-table-wrap { overflow-x: auto; }
@media (max-width: 760px) { .zs-learn-grid { grid-template-columns: 1fr; } .zs-cert-row { flex-direction: column; align-items: flex-start; } }

/* ===== Shared CPT archive (Learn sub-pages) ===== */
.zs-archive-hero { display: grid; grid-template-columns: 1.2fr .8fr; gap: 32px; align-items: center; margin: 16px 0 40px; padding: 32px; background: var(--zs-accent-soft); border-radius: var(--zs-radius); }
.zs-archive-hero-text h1 { margin: 0 0 12px; }
.zs-archive-hero-text .zs-lead { margin-bottom: 18px; }
.zs-archive-hero-vis { display: grid; place-items: center; }
.zs-archive-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.zs-article-card { background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); overflow: hidden; box-shadow: var(--zs-shadow); display: flex; flex-direction: column; transition: transform .18s ease, box-shadow .18s ease; }
.zs-article-card:hover { transform: translateY(-3px); box-shadow: var(--zs-shadow-lg); }
.zs-article-thumb img { width: 100%; height: 160px; object-fit: cover; }
.zs-article-body { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.zs-article-title { font-size: 1.12rem; margin: 0; line-height: 1.3; }
.zs-article-card:hover .zs-article-title { color: var(--zs-accent-dark); }
.zs-article-excerpt { color: var(--zs-muted); font-size: .92rem; margin: 0; flex: 1; }
.zs-article-more { color: var(--zs-accent-dark); font-weight: 700; font-size: .88rem; }
@media (max-width: 900px) { .zs-archive-hero { grid-template-columns: 1fr; } .zs-archive-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .zs-archive-grid { grid-template-columns: 1fr; } }

/* ===== Homepage deepened sections ===== */
.zs-guarantee { background: var(--zs-accent-soft); border-top: 1px solid var(--zs-border); border-bottom: 1px solid var(--zs-border); }
.zs-guarantee-row { display: flex; flex-wrap: wrap; gap: 14px 28px; padding: 18px 0; }
.zs-guar { display: flex; align-items: center; gap: 10px; flex: 1 1 160px; }
.zs-guar-ic { font-size: 22px; }
.zs-guar strong { display: block; font-size: .98rem; }
.zs-guar span { color: var(--zs-muted); font-size: .82rem; }

.zs-steps { list-style: none; margin: 22px 0 18px; padding: 0; display: grid; gap: 14px; }
.zs-steps li { display: flex; gap: 14px; align-items: flex-start; }
.zs-step-n { flex: 0 0 28px; height: 28px; border-radius: 50%; background: var(--zs-accent); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: .9rem; }
.zs-step-n + div { font-size: .96rem; color: var(--zs-muted); line-height: 1.5; }
.zs-step-n + div strong { color: var(--zs-foreground); }

.zs-schematic-card { background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); padding: 22px; box-shadow: var(--zs-shadow); }

.zs-quiz { display: grid; grid-template-columns: 1.3fr .7fr; gap: 32px; align-items: center; background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); padding: 40px; box-shadow: var(--zs-shadow); }
.zs-quiz h2 { margin: 8px 0 12px; }
.zs-quiz-copy p { color: var(--zs-muted); font-size: 1.02rem; }
.zs-quiz-actions { display: flex; flex-direction: column; gap: 12px; }
@media (max-width: 760px) { .zs-quiz { grid-template-columns: 1fr; padding: 28px 22px; } }

.zs-card-img { width: 100%; height: 168px; object-fit: cover; background: var(--zs-muted-bg); }
.zs-card-img img { width: 100%; height: 100%; object-fit: cover; }
.zs-card-body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }

.zs-faq-home { max-width: 820px; margin: 0 auto; }
.zs-faq-home .zs-faq-item { background: var(--zs-surface); }

.zs-newsletter { display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; align-items: center; background: var(--zs-accent-soft); border-radius: var(--zs-radius); padding: 36px; }
.zs-newsletter h2 { margin: 0 0 8px; }
.zs-newsletter p { color: var(--zs-muted); margin: 0; }
.zs-news-form { display: flex; gap: 10px; }
.zs-news-form input { flex: 1; padding: 12px 14px; border: 1px solid var(--zs-border); border-radius: 10px; font-size: 1rem; }
.zs-news-form .zs-btn { white-space: nowrap; }
@media (max-width: 760px) { .zs-newsletter { grid-template-columns: 1fr; padding: 26px 20px; } .zs-news-form { flex-direction: column; } }

/* ===== Shop archive (all products) ===== */
.zs-cat-hero { margin: 12px 0 22px; }
.zs-cat-hero h1 { margin: 0 0 10px; font-size: 2.2rem; }
.zs-sortbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 26px; font-size: .9rem; color: var(--zs-muted); }
.zs-sortbar a { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--zs-border); color: var(--zs-foreground); text-decoration: none; }
.zs-sortbar a.is-active { background: var(--zs-accent); color: #fff; border-color: var(--zs-accent); }
.zs-product-grid { margin-top: 8px; }
.zs-product { background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); overflow: hidden; box-shadow: var(--zs-shadow); display: flex; flex-direction: column; transition: transform .18s ease, box-shadow .18s ease; text-decoration: none; color: inherit; }
.zs-product:hover { transform: translateY(-3px); box-shadow: var(--zs-shadow-lg); }
.zs-product-img { width: 100%; aspect-ratio: 1/1; background: var(--zs-muted-bg); }
.zs-product-img img { width: 100%; height: 100%; object-fit: cover; }
.zs-product-body { padding: 16px 18px 20px; display: flex; flex-direction: column; gap: 8px; }
.zs-product-cat { font-size: .76rem; text-transform: uppercase; letter-spacing: .05em; color: var(--zs-accent-dark); font-weight: 700; }
.zs-product-title { font-size: 1.02rem; margin: 0; line-height: 1.3; }
.zs-product-meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.zs-product-price { font-weight: 700; color: var(--zs-foreground); }
.zs-stock { font-size: .76rem; padding: 3px 9px; border-radius: 999px; background: var(--zs-muted-bg); color: var(--zs-muted); }
.zs-stock-in { background: #E6EFEC; color: var(--zs-accent-dark); }
@media (max-width: 900px) { .zs-product-grid.zs-grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .zs-product-grid.zs-grid-3 { grid-template-columns: 1fr; } }

/* ===== Product page deepened blocks ===== */
.zs-compare-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin-top: 14px; }
.zs-compare-card { display: flex; flex-direction: column; gap: 4px; padding: 14px 16px; border: 1px solid var(--zs-border); border-radius: var(--zs-radius); text-decoration: none; color: var(--zs-foreground); background: var(--zs-surface); transition: border-color .15s ease, transform .15s ease; }
.zs-compare-card:hover { border-color: var(--zs-accent); transform: translateY(-2px); }
.zs-compare-name { font-weight: 600; font-size: .96rem; }
.zs-compare-price { color: var(--zs-muted); font-size: .9rem; }

.zs-fbt { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 14px; }
.zs-fbt-item { display: flex; flex-direction: column; gap: 6px; width: 120px; text-align: center; font-size: .82rem; }
.zs-fbt-item .zs-product-img { width: 100%; aspect-ratio: 1/1; border-radius: 10px; overflow: hidden; background: var(--zs-muted-bg); }
.zs-fbt-item .zs-product-img img { width: 100%; height: 100%; object-fit: cover; }
.zs-fbt-plus { font-size: 1.4rem; color: var(--zs-muted); font-weight: 700; }
.zs-fbt-buy { display: flex; flex-direction: column; gap: 10px; margin-left: auto; }
.zs-fbt-price { font-size: 1.05rem; }

.zs-reviews-empty { background: var(--zs-muted-bg); border-radius: var(--zs-radius); padding: 20px 22px; color: var(--zs-muted); font-size: .95rem; }
.zs-reviews-empty p { margin: 0 0 12px; }
.zs-reviews-empty .zs-btn { display: inline-block; }

/* Sticky mobile buy bar */
.zs-sticky-buy { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; display: none; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 16px; background: var(--zs-surface); border-top: 1px solid var(--zs-border); box-shadow: 0 -8px 24px rgba(0,0,0,.08); transform: translateY(110%); transition: transform .25s ease; }
.zs-sticky-buy.is-visible { transform: translateY(0); }
.zs-sticky-info { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.zs-sticky-info strong { font-size: .92rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 52vw; }
.zs-sticky-info span { color: var(--zs-muted); font-size: .84rem; }
@media (max-width: 860px) { .zs-sticky-buy { display: flex; } }

/* ===== Category / Shop deepened: guide band, quiz CTA, picks, compare ===== */
.zs-cat-guide { display: flex; align-items: center; gap: 16px; background: var(--zs-accent-soft); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); padding: 18px 22px; margin: 0 0 16px; }
.zs-cat-guide-ic { color: var(--zs-accent-dark); display: grid; place-items: center; flex: 0 0 auto; }
.zs-cat-guide-text { flex: 1; min-width: 0; }
.zs-cat-guide-text strong { display: block; font-size: 1.02rem; color: var(--zs-foreground); }
.zs-cat-guide-text span { color: var(--zs-muted); font-size: .9rem; }
.zs-cat-guide .zs-btn { white-space: nowrap; flex: 0 0 auto; }

.zs-cat-quiz { display: flex; align-items: center; gap: 16px; background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); padding: 18px 22px; margin: 0 0 22px; box-shadow: var(--zs-shadow); }
.zs-cat-quiz-ic { color: var(--zs-accent); display: grid; place-items: center; flex: 0 0 auto; }
.zs-cat-quiz-text { flex: 1; min-width: 0; }
.zs-cat-quiz-text strong { display: block; color: var(--zs-foreground); }
.zs-cat-quiz-text span { color: var(--zs-muted); font-size: .9rem; }
.zs-cat-quiz .zs-btn { white-space: nowrap; flex: 0 0 auto; }

.zs-cat-chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 26px; }
.zs-cat-chips a { background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: 999px; padding: 9px 18px; font-weight: 600; font-size: .92rem; color: var(--zs-foreground); text-decoration: none; transition: all .15s ease; }
.zs-cat-chips a:hover { border-color: var(--zs-accent); color: var(--zs-accent-dark); background: var(--zs-accent-soft); }

.zs-pick-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 0 0 30px; }
.zs-pick { position: relative; display: flex; gap: 14px; align-items: center; background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); padding: 14px; box-shadow: var(--zs-shadow); text-decoration: none; color: inherit; transition: transform .18s ease, box-shadow .18s ease; }
.zs-pick:hover { transform: translateY(-3px); box-shadow: var(--zs-shadow-lg); }
.zs-pick-badge { position: absolute; top: -10px; left: 14px; background: var(--zs-accent); color: #fff; font-size: .72rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.zs-pick-img { width: 64px; height: 64px; border-radius: 10px; overflow: hidden; background: var(--zs-muted-bg); flex: 0 0 64px; }
.zs-pick-img img { width: 100%; height: 100%; object-fit: cover; }
.zs-pick-body { min-width: 0; }
.zs-pick-name { font-weight: 600; font-size: .95rem; line-height: 1.3; color: var(--zs-foreground); }
.zs-pick-price { color: var(--zs-muted); font-size: .88rem; margin-top: 2px; }

.zs-compare-table { width: 100%; border-collapse: collapse; min-width: 560px; margin-top: 14px; }
.zs-compare-table th, .zs-compare-table td { border: 1px solid var(--zs-border); padding: 13px 16px; text-align: left; font-size: .92rem; vertical-align: top; }
.zs-compare-table thead { background: var(--zs-accent); color: #fff; }
.zs-compare-table thead th { font-weight: 700; }
.zs-compare-table tbody tr:nth-child(even) { background: var(--zs-muted-bg); }
.zs-compare-table .zs-cmp-name { font-weight: 700; color: var(--zs-foreground); }
.zs-compare-table .zs-cmp-name a { color: var(--zs-foreground); }
.zs-compare-table .zs-cmp-name a:hover { color: var(--zs-accent-dark); }

@media (max-width: 760px) {
  .zs-pick-strip { grid-template-columns: 1fr; }
  .zs-cat-guide, .zs-cat-quiz { flex-direction: column; align-items: flex-start; }
  .zs-cat-guide .zs-btn, .zs-cat-quiz .zs-btn { width: 100%; justify-content: center; }
}

/* ===== Article deepened: TOC, author bio, share, feedback ===== */
.zs-toc { background: var(--zs-muted-bg); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); padding: 18px 22px; margin: 26px 0 30px; }
.zs-toc-h { font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: var(--zs-accent); font-weight: 700; margin: 0 0 10px; }
.zs-toc ul { list-style: none; margin: 0; padding: 0; }
.zs-toc li { margin: 0; }
.zs-toc a { display: block; padding: 5px 0; color: var(--zs-foreground); font-size: .94rem; }
.zs-toc a:hover { color: var(--zs-accent-dark); }
.zs-toc-l3 a { padding-left: 18px; font-size: .88rem; color: var(--zs-muted); }

.zs-author-bio { display: flex; gap: 16px; align-items: flex-start; margin: 36px 0 24px; padding: 22px; background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); box-shadow: var(--zs-shadow); }
.zs-author-avatar { flex: 0 0 48px; width: 48px; height: 48px; border-radius: 50%; background: var(--zs-accent); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 1.3rem; }
.zs-author-text strong { display: block; color: var(--zs-foreground); margin-bottom: 4px; }
.zs-author-text p { color: var(--zs-muted); font-size: .92rem; margin: 0; }
.zs-author-text a { color: var(--zs-accent-dark); font-weight: 600; }

.zs-share { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 8px 0 24px; }
.zs-share-lbl { font-size: .9rem; color: var(--zs-muted); font-weight: 600; }
.zs-share-btn { display: inline-grid; place-items: center; min-width: 38px; height: 38px; padding: 0 12px; border: 1px solid var(--zs-border); border-radius: 999px; background: var(--zs-surface); color: var(--zs-foreground); font-weight: 700; font-size: .85rem; text-decoration: none; cursor: pointer; transition: all .15s ease; }
.zs-share-btn:hover { border-color: var(--zs-accent); color: var(--zs-accent-dark); background: var(--zs-accent-soft); }

.zs-feedback { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 0 0 36px; padding: 16px 20px; background: var(--zs-accent-soft); border-radius: var(--zs-radius); }
.zs-feedback-q { font-weight: 600; color: var(--zs-foreground); }
.zs-feedback .zs-btn { padding: 9px 20px; font-size: .9rem; }

/* ===== B2B deepened: ROI calculator + testimonials ===== */
.zs-calc { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 18px; }
.zs-calc-inputs { display: grid; gap: 12px; }
.zs-calc-inputs label { display: flex; flex-direction: column; gap: 6px; font-size: .88rem; color: var(--zs-muted); font-weight: 600; }
.zs-calc-inputs input { border: 1px solid var(--zs-border); border-radius: var(--zs-radius-sm); padding: 11px 14px; font: inherit; font-size: 1rem; color: var(--zs-foreground); font-weight: 600; }
.zs-calc-out { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-content: start; }
.zs-calc-stat { background: var(--zs-muted-bg); border-radius: var(--zs-radius-sm); padding: 16px 18px; }
.zs-calc-stat span { font-size: 1.5rem; font-weight: 800; color: var(--zs-accent-dark); line-height: 1.1; }
.zs-calc-stat small { display: block; color: var(--zs-muted); font-size: .8rem; margin-top: 4px; }
.zs-calc-save { background: var(--zs-accent); }
.zs-calc-save span, .zs-calc-save small { color: #fff; }

.zs-quotes { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 16px; }
.zs-quote { margin: 0; background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); padding: 30px 28px 26px; box-shadow: var(--zs-shadow); position: relative; }
.zs-quote::before { content: "\201C"; font-family: Georgia, "Times New Roman", serif; font-size: 3rem; color: var(--zs-accent-soft); position: absolute; top: 8px; left: 16px; line-height: 1; }
.zs-quote p { position: relative; color: var(--zs-foreground); font-size: 1.02rem; margin: 0 0 12px; }
.zs-quote cite { color: var(--zs-muted); font-size: .88rem; font-style: normal; font-weight: 600; }

@media (max-width: 760px) {
  .zs-calc { grid-template-columns: 1fr; }
  .zs-quotes { grid-template-columns: 1fr; }
}

/* ===== Cross-brand benchmark table + owner-reported themes ===== */
.zs-brand-table th:last-child, .zs-brand-table td:last-child { text-align: right; }
.zs-brand-table .zs-brand-us td { background: var(--zs-accent-soft); font-weight: 600; }

.zs-review-themes { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin-top: 16px; }
.zs-review-theme { background: var(--zs-surface); border: 1px solid var(--zs-border); border-radius: var(--zs-radius); padding: 22px 22px 20px; box-shadow: var(--zs-shadow); }
.zs-review-theme h3 { margin: 12px 0 8px; font-size: 1.05rem; }
.zs-review-theme p { margin: 0; color: var(--zs-muted); font-size: .92rem; }
.zs-review-score { display: inline-grid; place-items: center; min-width: 52px; height: 52px; padding: 0 12px; border-radius: var(--zs-radius-sm); background: var(--zs-accent-soft); color: var(--zs-accent-dark); font-size: 1.25rem; font-weight: 800; }