/* ==========================================================================
   B2B 外贸独立站 · 前台样式
   主题色由后台“网站设置 → 基本信息”控制（--primary / --dark）
   ========================================================================== */

:root {
  --primary: #0b63e5;
  --dark: #0b1f3a;
  --primary-700: color-mix(in srgb, var(--primary) 80%, #000);
  --primary-50: color-mix(in srgb, var(--primary) 6%, #fff);
  --primary-100: color-mix(in srgb, var(--primary) 13%, #fff);
  --primary-200: color-mix(in srgb, var(--primary) 26%, #fff);
  --wa: #1fa855;
  --wa-700: #178a45;
  --wa-50: #e9f8ef;
  --text: #1e293b;
  --body: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-2: #edf1f6;
  --tint: #f4f7fc;
  --star: #f5b301;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05), 0 1px 3px rgba(15, 23, 42, .06);
  --shadow: 0 14px 34px -16px rgba(15, 23, 42, .22);
  --shadow-lg: 0 30px 70px -24px rgba(11, 31, 58, .38);
  --font: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --header-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.6; color: var(--body); background: #fff; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4 { color: var(--dark); line-height: 1.2; margin: 0; letter-spacing: -.01em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dd { margin: 0; }
figure { margin: 0; }
blockquote { margin: 0; }
:focus-visible { outline: 3px solid var(--primary-200); outline-offset: 2px; border-radius: 6px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }

.icon { width: 20px; height: 20px; flex: none; }
.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: 880px; }
.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 200; background: var(--dark); color: #fff; padding: 10px 16px; border-radius: 8px; }
.skip-link:focus { left: 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 46px; padding: 0 22px; border-radius: var(--radius-sm); border: 1.5px solid transparent; font-weight: 650; font-size: 15px; line-height: 1; white-space: nowrap; cursor: pointer; transition: background .2s, color .2s, border-color .2s, box-shadow .2s, transform .2s; }
.btn .icon { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: none; }
.btn[disabled] { opacity: .65; cursor: progress; transform: none; }
.btn-lg { height: 54px; padding: 0 28px; font-size: 16px; }
.btn-lg .icon { width: 20px; height: 20px; }
.btn-sm { height: 40px; padding: 0 16px; font-size: 14px; }
.btn-block { display: flex; width: 100%; }
.btn-icon { width: 40px; padding: 0; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 20px -10px var(--primary); }
.btn-primary:hover { background: var(--primary-700); }
.btn-outline { background: #fff; color: var(--primary); border-color: var(--primary-200); }
.btn-outline:hover { border-color: var(--primary); background: var(--primary-50); }
.btn-wa { background: var(--wa); color: #fff; box-shadow: 0 8px 20px -10px rgba(31, 168, 85, .8); }
.btn-wa:hover { background: var(--wa-700); }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { background: var(--primary-50); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-row.center { justify-content: center; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-weight: 650; font-size: 15px; white-space: nowrap; }
.link-arrow .icon { width: 18px; height: 18px; transition: transform .2s; }
.link-arrow:hover .icon { transform: translateX(3px); }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 10px; border-radius: 999px; background: #fff; border: 1px solid var(--primary-100); color: var(--primary); font-size: 13.5px; font-weight: 650; box-shadow: var(--shadow-sm); }
.pill .icon { width: 18px; height: 18px; }

/* ---------- Top bar & header ---------- */
.topbar { background: var(--dark); color: #b8c4d6; font-size: 13px; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 38px; }
.topbar-contact { display: flex; gap: 22px; }
.topbar-contact a { display: inline-flex; align-items: center; gap: 6px; color: #dbe4f0; }
.topbar-contact a:hover { color: #fff; }
.topbar .icon { width: 15px; height: 15px; opacity: .8; }

.header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid var(--line-2); transition: box-shadow .25s; }
/* 毛玻璃放在伪元素上：backdrop-filter 会让移动端 fixed 菜单以 header 为定位容器 */
.header::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(255, 255, 255, .94); backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px); }
.header.scrolled { box-shadow: 0 8px 24px -16px rgba(15, 23, 42, .28); }
.header-inner { display: flex; align-items: center; gap: 24px; height: var(--header-h); }
.logo { display: inline-flex; align-items: center; gap: 10px; flex: none; }
.logo img { max-height: 46px; width: auto; }
.logo-mark { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: linear-gradient(135deg, var(--primary), var(--primary-700)); color: #fff; box-shadow: 0 6px 14px -6px var(--primary); }
.logo-mark .icon { width: 22px; height: 22px; }
.logo-text { font-size: 21px; font-weight: 800; color: var(--dark); letter-spacing: -.02em; }

.nav { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 2px; }
.nav-item { position: relative; }
.nav-item > a { display: inline-flex; align-items: center; gap: 4px; height: var(--header-h); padding: 0 14px; font-size: 15px; font-weight: 600; color: #334155; position: relative; transition: color .2s; }
.nav-item > a::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 18px; height: 2px; border-radius: 2px; background: var(--primary); transform: scaleX(0); transition: transform .25s; }
.nav-item > a:hover, .nav-item.active > a { color: var(--primary); }
.nav-item.active > a::after, .nav-item > a:hover::after { transform: scaleX(1); }
.nav-item .caret { width: 15px; height: 15px; opacity: .6; }
.sub-toggle { display: none; }
.sub-menu { position: absolute; top: calc(100% - 10px); left: 0; min-width: 250px; padding: 8px; background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity .2s, transform .2s, visibility .2s; }
.has-sub:hover .sub-menu, .has-sub:focus-within .sub-menu { opacity: 1; visibility: visible; transform: none; }
.sub-menu a { display: block; padding: 10px 14px; border-radius: 8px; font-size: 14.5px; font-weight: 500; color: var(--body); }
.sub-menu a:hover { background: var(--primary-50); color: var(--primary); }
.nav-mobile-cta { display: none; }

.header-actions { display: flex; align-items: center; gap: 10px; flex: none; }
.lang { position: relative; }
.lang-btn { display: inline-flex; align-items: center; gap: 6px; height: 40px; padding: 0 10px; border: 0; background: none; cursor: pointer; font-weight: 650; font-size: 14px; color: #334155; border-radius: 8px; }
.lang-btn:hover { background: var(--tint); }
.lang-btn .icon { width: 18px; height: 18px; }
.lang-btn .caret { width: 14px; height: 14px; opacity: .6; }
.lang-menu { position: absolute; right: 0; top: calc(100% + 6px); min-width: 160px; padding: 6px; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-lg); display: none; }
.lang.open .lang-menu { display: block; }
.lang-menu a { display: block; padding: 8px 12px; border-radius: 8px; font-size: 14px; }
.lang-menu a:hover, .lang-menu a.active { background: var(--primary-50); color: var(--primary); }
.lang-menu a.active { font-weight: 650; }
.nav-mobile-langs { display: none; }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer; place-items: center; }
.nav-toggle .i-close { display: none; }
.nav-open .nav-toggle .i-open { display: none; }
.nav-open .nav-toggle .i-close { display: block; }

/* ---------- Sections ---------- */
.section { padding: 92px 0; }
.section-sm { padding: 56px 0; }
.section-tint { background: var(--tint); }
.section-dark { background: var(--dark); color: #b8c4d6; }
.section-dark .section-head h2 { color: #fff; }
.section-dark .section-head p { color: #94a3b8; }
.section-head { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.section-head h2 { font-size: clamp(1.75rem, 1.2rem + 1.6vw, 2.5rem); font-weight: 800; letter-spacing: -.02em; }
.section-head p { margin-top: 14px; font-size: 17px; color: var(--muted); }
.section-head-row { max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; text-align: left; }
.section-head-row p { max-width: 720px; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 72px 0 88px; background: radial-gradient(900px 520px at 92% -8%, var(--primary-100), transparent 62%), radial-gradient(700px 420px at -10% 110%, var(--primary-50), transparent 60%), linear-gradient(180deg, #f5f8fe 0%, #fff 100%); }
.hero-has-bg { background: linear-gradient(90deg, rgba(255, 255, 255, .97) 0%, rgba(255, 255, 255, .88) 48%, rgba(255, 255, 255, .35) 100%), var(--hero-bg) center / cover no-repeat; }
.hero-grid { display: grid; grid-template-columns: 1.08fr 1fr; gap: 60px; align-items: center; }
.hero-title { margin-top: 22px; font-size: clamp(2rem, 1.3rem + 2.2vw, 3.1rem); font-weight: 800; line-height: 1.12; letter-spacing: -.03em; }
.hero-title span { display: block; color: var(--primary); }
.hero-sub { margin-top: 20px; font-size: 18px; color: var(--muted); max-width: 560px; }
.hero .btn-row { margin-top: 32px; }
.hero-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; padding-top: 30px; border-top: 1px solid var(--line); }
.hero-points li { display: flex; align-items: center; gap: 12px; }
.hp-icon { width: 46px; height: 46px; flex: none; border-radius: 12px; display: grid; place-items: center; background: #fff; color: var(--primary); box-shadow: var(--shadow-sm); border: 1px solid var(--line-2); }
.hp-icon .icon { width: 22px; height: 22px; }
.hp-icon img { width: 26px; height: 26px; object-fit: contain; }
.hp-text strong { display: block; color: var(--dark); font-size: 15px; font-weight: 700; line-height: 1.3; }
.hp-text small { display: block; color: var(--muted); font-size: 13px; line-height: 1.4; margin-top: 2px; }

.hero-media { position: relative; }
.hero-media::before { content: ""; position: absolute; inset: 8% -6% -6% 10%; border-radius: 32px; background: linear-gradient(135deg, var(--primary-200), transparent 70%); z-index: 0; }
.carousel { position: relative; z-index: 1; }
.carousel-viewport { overflow: hidden; border-radius: 22px; background: #fff; border: 6px solid #fff; box-shadow: var(--shadow-lg); }
.carousel-track { display: flex; transition: transform .6s cubic-bezier(.22, .61, .36, 1); }
.carousel-slide { position: relative; flex: 0 0 100%; }
.carousel-slide img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 16px; }
.carousel-slide figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 22px 18px; color: #fff; font-size: 14.5px; font-weight: 600; border-radius: 0 0 16px 16px; background: linear-gradient(transparent, rgba(11, 31, 58, .78)); }
.carousel-btn { position: absolute; top: calc(50% - 22px); width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line); background: #fff; color: var(--dark); display: grid; place-items: center; cursor: pointer; box-shadow: var(--shadow); z-index: 2; transition: background .2s, color .2s; }
.carousel-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.carousel-btn.prev { left: -23px; }
.carousel-btn.next { right: -23px; }
.carousel-dots { display: flex; justify-content: center; gap: 8px; margin-top: 18px; }
.carousel-dots button { width: 9px; height: 9px; padding: 0; border: 0; border-radius: 999px; background: #c7d2e2; cursor: pointer; transition: width .3s, background .3s; }
.carousel-dots button.active { width: 26px; background: var(--primary); }

/* ---------- Categories ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.cat-card { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 30px 14px 24px; text-align: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .25s, box-shadow .25s, transform .25s; }
.cat-card:hover { border-color: var(--primary-200); box-shadow: var(--shadow); transform: translateY(-4px); }
.cat-icon { width: 68px; height: 68px; border-radius: 18px; display: grid; place-items: center; background: var(--primary-50); color: var(--primary); transition: background .25s, color .25s; overflow: hidden; }
.cat-icon .icon { width: 32px; height: 32px; stroke-width: 1.7; }
.cat-icon.has-img { background: #fff; }
.cat-icon img { width: 100%; height: 100%; object-fit: cover; }
.cat-card:hover .cat-icon:not(.has-img) { background: var(--primary); color: #fff; }
.cat-name { color: var(--dark); font-weight: 700; font-size: 15px; line-height: 1.35; }
.cat-count { color: var(--muted); font-size: 13px; }

/* ---------- Product cards ---------- */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-grid.grid-3 { grid-template-columns: repeat(3, 1fr); }
.product-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: box-shadow .25s, transform .25s, border-color .25s; }
.product-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: var(--primary-100); }
.pc-media { display: block; aspect-ratio: 1; overflow: hidden; background: #f1f5f9; }
.pc-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.product-card:hover .pc-media img { transform: scale(1.04); }
.pc-body { display: flex; flex-direction: column; gap: 10px; flex: 1; padding: 18px 18px 20px; }
.pc-cat { align-self: flex-start; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--primary); }
.pc-title { font-size: 16.5px; font-weight: 700; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.8em; }
.pc-title a:hover { color: var(--primary); }
.pc-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 10px 12px; background: var(--tint); border-radius: 10px; }
.pc-meta dt { font-size: 11px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); }
.pc-meta dd { font-size: 13.5px; font-weight: 650; color: var(--dark); line-height: 1.35; }
.pc-actions { display: flex; gap: 8px; margin-top: auto; padding-top: 4px; }
.pc-actions .btn-outline { flex: 1; }

/* ---------- Advantages & stats ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.adv-card { padding: 32px 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .25s, box-shadow .25s; }
.adv-card:hover { border-color: var(--primary-200); box-shadow: var(--shadow); }
.adv-icon { width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-700)); box-shadow: 0 10px 20px -10px var(--primary); }
.adv-icon .icon { width: 28px; height: 28px; }
.adv-icon img { width: 30px; height: 30px; object-fit: contain; }
.adv-card h3 { margin: 20px 0 8px; font-size: 19px; font-weight: 700; }
.adv-card p { color: var(--muted); font-size: 15px; }
.adv-grid + .stats-band { margin-top: 56px; }
.stats-band { display: grid; grid-template-columns: repeat(4, 1fr); padding: 44px 24px; border-radius: 22px; background: radial-gradient(600px 240px at 90% 0%, color-mix(in srgb, var(--primary) 45%, transparent), transparent 70%), linear-gradient(120deg, var(--dark), color-mix(in srgb, var(--dark) 72%, var(--primary))); color: #fff; }
.stat { text-align: center; padding: 6px 12px; }
.stat + .stat { border-left: 1px solid rgba(255, 255, 255, .12); }
.stat strong { display: block; font-size: clamp(2rem, 1.5rem + 1.4vw, 2.75rem); font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.stat small { font-size: .5em; font-weight: 700; margin-left: 3px; opacity: .85; }
.stat > span { display: block; margin-top: 6px; color: #c3cfdf; font-size: 14.5px; }

/* ---------- Trust ---------- */
.trust-grid { display: grid; grid-template-columns: 1fr 1.25fr .95fr; gap: 24px; }
.trust-col { padding: 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.trust-label { margin-bottom: 20px; text-align: center; font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.cert-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.cert { display: block; aspect-ratio: 1; padding: 6px; border-radius: 12px; border: 1px solid var(--line); background: #fff; transition: border-color .2s, transform .2s; }
.cert:hover { border-color: var(--primary-200); transform: translateY(-2px); }
.cert img { width: 100%; height: 100%; object-fit: contain; }
.partner-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.partner { display: grid; place-items: center; height: 64px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--muted); font-weight: 700; font-size: 14px; text-align: center; }
.partner img { max-height: 44px; width: auto; max-width: 100%; object-fit: contain; filter: grayscale(1); opacity: .75; transition: filter .25s, opacity .25s; }
.partner:hover img { filter: none; opacity: 1; }
.rating-box { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.rating-score { font-size: 46px; font-weight: 800; color: var(--dark); line-height: 1; letter-spacing: -.03em; }
.stars { display: flex; gap: 2px; color: var(--star); margin-top: 8px; }
.stars .icon { width: 20px; height: 20px; }
.stars .icon.off { color: #dbe1ea; }
.rating-box p { margin-top: 8px; font-size: 13.5px; color: var(--muted); }
.verified { flex: none; width: 104px; height: 104px; border-radius: 50%; border: 2px dashed var(--primary-200); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; padding: 10px; text-align: center; color: var(--primary); background: var(--primary-50); }
.verified .icon { width: 30px; height: 30px; }
.verified span { font-size: 11px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; line-height: 1.2; }

.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testi-card { position: relative; display: flex; flex-direction: column; padding: 30px 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.testi-quote { position: absolute; top: 22px; right: 24px; color: var(--primary-100); }
.testi-quote .icon { width: 42px; height: 42px; }
.testi-card blockquote { flex: 1; margin: 16px 0 22px; font-size: 15.5px; color: var(--body); line-height: 1.7; }
.testi-card figcaption { display: flex; align-items: center; gap: 12px; padding-top: 18px; border-top: 1px solid var(--line-2); }
.testi-card figcaption strong { display: block; color: var(--dark); font-size: 15px; }
.testi-card figcaption small { display: block; color: var(--muted); font-size: 13px; }
.avatar { width: 46px; height: 46px; flex: none; border-radius: 50%; display: grid; place-items: center; overflow: hidden; background: var(--primary-100); color: var(--primary); font-weight: 800; font-size: 15px; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Gallery ---------- */
.gallery-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: -16px 0 32px; }
.gallery-tabs button { height: 40px; padding: 0 20px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .18); background: transparent; color: #cbd5e1; font-weight: 600; font-size: 14px; cursor: pointer; transition: all .2s; }
.gallery-tabs button:hover { border-color: rgba(255, 255, 255, .4); color: #fff; }
.gallery-tabs button.active { background: #fff; color: var(--dark); border-color: #fff; }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gallery-item { position: relative; display: block; aspect-ratio: 4 / 3; border-radius: 14px; overflow: hidden; background: rgba(255, 255, 255, .06); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item.is-hidden { display: none; }
.gallery-cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 32px 16px 14px; color: #fff; font-size: 14px; font-weight: 600; background: linear-gradient(transparent, rgba(2, 6, 23, .75)); }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 14px; transition: border-color .2s, box-shadow .2s; }
.faq-item[open] { border-color: var(--primary-200); box-shadow: var(--shadow-sm); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; cursor: pointer; list-style: none; color: var(--dark); font-weight: 650; font-size: 16.5px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .icon { color: var(--muted); transition: transform .25s; }
.faq-item[open] summary .icon { transform: rotate(180deg); color: var(--primary); }
.faq-q { margin: 0; font: inherit; color: inherit; }
.faq-a { padding: 0 24px 22px; color: var(--muted); font-size: 15.5px; line-height: 1.75; }

/* ---------- News ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: box-shadow .25s, transform .25s; }
.news-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.news-media { display: block; aspect-ratio: 16 / 9; overflow: hidden; background: #e2e8f0; }
.news-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.news-card:hover .news-media img { transform: scale(1.04); }
.news-body { display: flex; flex-direction: column; flex: 1; padding: 22px 24px 24px; }
.news-body time { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; }
.news-body time .icon { width: 15px; height: 15px; }
.news-body h3 { margin: 10px 0 8px; font-size: 18px; font-weight: 700; line-height: 1.4; }
.news-body h3 a:hover { color: var(--primary); }
.news-body p { color: var(--muted); font-size: 14.5px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 16px; }
.news-body .link-arrow { margin-top: auto; }

/* ---------- Inquiry ---------- */
.inquiry-section { background: radial-gradient(800px 380px at 0% 0%, var(--primary-100), transparent 65%), radial-gradient(700px 380px at 100% 100%, var(--primary-50), transparent 60%), var(--tint); }
.inquiry-grid { display: grid; grid-template-columns: 1.65fr 1fr; gap: 32px; align-items: start; }
.inquiry-main { padding: 44px; background: #fff; border-radius: 22px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.inquiry-main h2 { font-size: clamp(1.6rem, 1.2rem + 1.2vw, 2.2rem); font-weight: 800; letter-spacing: -.02em; }
.inquiry-main .lead { margin-top: 10px; color: var(--muted); font-size: 16px; }
.inquiry-form { margin-top: 28px; }
.form-product { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; padding: 12px 16px; border-radius: 12px; background: var(--primary-50); border: 1px solid var(--primary-100); color: var(--body); font-size: 14.5px; }
.form-product .icon { color: var(--primary); }
.form-product strong { color: var(--dark); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field > span { font-size: 14px; font-weight: 600; color: #334155; }
.field em { color: #dc2626; font-style: normal; }
.field input, .field textarea { width: 100%; height: 50px; padding: 0 16px; border: 1.5px solid var(--line); border-radius: 12px; background: #fbfcfe; font: inherit; font-size: 15px; color: var(--text); transition: border-color .2s, box-shadow .2s, background .2s; }
.field textarea { height: auto; min-height: 140px; padding: 14px 16px; resize: vertical; line-height: 1.6; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px var(--primary-100); }
.field input::placeholder, .field textarea::placeholder { color: #94a3b8; }
.field-full { grid-column: 1 / -1; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 22px; margin-top: 22px; }
.form-note { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13.5px; flex: 1; min-width: 220px; }
.form-note .icon { width: 16px; height: 16px; color: var(--wa); }
.form-status { margin-top: 18px; padding: 12px 16px; border-radius: 10px; background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; font-size: 14.5px; }

.inquiry-aside { position: sticky; top: calc(var(--header-h) + 20px); }
.aside-card { padding: 34px 30px; border-radius: 22px; color: #c3cfdf; background: radial-gradient(400px 200px at 100% 0%, color-mix(in srgb, var(--primary) 40%, transparent), transparent 70%), var(--dark); box-shadow: var(--shadow-lg); }
.aside-icon { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: var(--wa); color: #fff; box-shadow: 0 10px 24px -10px rgba(31, 168, 85, .9); }
.aside-icon .icon { width: 30px; height: 30px; }
.aside-card h3 { margin: 20px 0 8px; color: #fff; font-size: 22px; font-weight: 750; }
.aside-card > p { font-size: 15px; margin-bottom: 22px; }
.contact-list { margin-top: 26px; }
.contact-list li { display: flex; gap: 14px; padding: 14px 0; border-top: 1px solid rgba(255, 255, 255, .09); }
.contact-list .icon { width: 19px; height: 19px; margin-top: 3px; color: #8fc0ff; }
.contact-list small { display: block; font-size: 11.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #8193ab; }
.contact-list a, .contact-list span { color: #fff; font-size: 15px; word-break: break-word; }
.contact-list a:hover { text-decoration: underline; }

/* ---------- CTA band ---------- */
.cta-band { padding: 0 0 92px; }
.section + .cta-band, .page-hero + .cta-band { padding-top: 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 48px 52px; border-radius: 24px; color: #e6eefb; background: radial-gradient(500px 260px at 100% 0%, rgba(255, 255, 255, .18), transparent 70%), linear-gradient(120deg, var(--primary), color-mix(in srgb, var(--primary) 55%, var(--dark))); box-shadow: var(--shadow-lg); }
.cta-copy h2 { color: #fff; font-size: clamp(1.5rem, 1.1rem + 1.1vw, 2.1rem); font-weight: 800; }
.cta-copy p { margin-top: 10px; max-width: 640px; font-size: 16.5px; }
.cta-inner .btn-row { flex: none; }

/* ---------- Inner pages ---------- */
.page-hero { position: relative; padding: 64px 0 60px; color: #c3cfdf; background-color: var(--dark); background-image: radial-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px), radial-gradient(700px 300px at 85% 0%, color-mix(in srgb, var(--primary) 55%, transparent), transparent 70%), linear-gradient(120deg, var(--dark), color-mix(in srgb, var(--dark) 60%, var(--primary))); background-size: 22px 22px, auto, auto; }
.page-hero.has-img { background-image: linear-gradient(120deg, color-mix(in srgb, var(--dark) 92%, transparent), color-mix(in srgb, var(--dark) 55%, transparent)), var(--banner); background-size: cover; background-position: center; }
.page-hero h1 { margin-top: 18px; color: #fff; font-size: clamp(2rem, 1.4rem + 1.8vw, 2.9rem); font-weight: 800; letter-spacing: -.02em; }
.page-hero p { margin-top: 12px; max-width: 700px; font-size: 17.5px; }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; font-size: 14px; color: #94a3b8; }
.breadcrumb .icon { width: 14px; height: 14px; opacity: .7; }
.breadcrumb a { color: #cbd5e1; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { color: #fff; }
.page-hero.compact { padding: 16px 0; background: var(--tint); border-bottom: 1px solid var(--line-2); }
.page-hero.compact .breadcrumb { color: var(--muted); }
.page-hero.compact .breadcrumb a { color: var(--muted); }
.page-hero.compact .breadcrumb a:hover { color: var(--primary); }
.page-hero.compact .breadcrumb span { color: var(--dark); font-weight: 600; }

.shop { display: grid; grid-template-columns: 280px 1fr; gap: 36px; align-items: start; }
.shop-side { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 20px; }
.search-box { position: relative; }
.search-box input { width: 100%; height: 50px; padding: 0 52px 0 16px; border: 1.5px solid var(--line); border-radius: 12px; font: inherit; font-size: 15px; background: #fff; }
.search-box input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-100); }
.search-box button { position: absolute; right: 5px; top: 5px; width: 40px; height: 40px; border: 0; border-radius: 9px; background: var(--primary); color: #fff; display: grid; place-items: center; cursor: pointer; }
.search-box button .icon { width: 18px; height: 18px; }
.side-card { padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.side-card h3 { margin-bottom: 14px; font-size: 16px; font-weight: 750; }
.side-cats { display: grid; gap: 2px; }
.side-cats a { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 12px; border-radius: 9px; font-size: 14.5px; color: var(--body); transition: background .2s, color .2s; }
.side-cats a:hover { background: var(--tint); color: var(--primary); }
.side-cats a.active { background: var(--primary-50); color: var(--primary); font-weight: 650; }
.side-cats em { font-style: normal; font-size: 12px; font-weight: 600; color: var(--muted); background: var(--tint); padding: 2px 9px; border-radius: 999px; }
.side-cats a.active em { background: #fff; color: var(--primary); }
.side-cta { background: linear-gradient(180deg, var(--wa-50), #fff 55%); border-color: #cdeedb; }
.side-cta .aside-icon { width: 46px; height: 46px; border-radius: 12px; }
.side-cta .aside-icon .icon { width: 24px; height: 24px; }
.side-cta h3 { margin: 16px 0 6px; }
.side-cta p { color: var(--muted); font-size: 14px; margin-bottom: 16px; }
.side-cta .btn + .btn { margin-top: 10px; }
.result-note { margin-bottom: 20px; color: var(--muted); }
.empty { padding: 64px 24px; text-align: center; border: 1px dashed var(--line); border-radius: var(--radius); color: var(--muted); background: #fff; }
.empty > .icon { width: 40px; height: 40px; margin: 0 auto 14px; color: #94a3b8; }
.empty p { margin-bottom: 20px; }

.pagination { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 44px; }
.pagination a, .pagination .gap { min-width: 42px; height: 42px; padding: 0 12px; border-radius: 10px; display: inline-grid; place-items: center; font-weight: 600; font-size: 15px; }
.pagination a { border: 1px solid var(--line); background: #fff; }
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination a.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination .icon { width: 18px; height: 18px; }

/* Product detail */
.pd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.pd-gallery { position: sticky; top: calc(var(--header-h) + 20px); }
.pd-main { position: relative; display: block; aspect-ratio: 1; border-radius: 20px; overflow: hidden; border: 1px solid var(--line); background: #f8fafc; cursor: zoom-in; }
.pd-main img { width: 100%; height: 100%; object-fit: cover; }
.pd-zoom { position: absolute; right: 14px; bottom: 14px; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: rgba(255, 255, 255, .92); color: var(--dark); box-shadow: var(--shadow-sm); }
.pd-zoom .icon { width: 18px; height: 18px; }
.pd-thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 12px; }
.pd-thumbs button { aspect-ratio: 1; padding: 0; border-radius: 12px; overflow: hidden; border: 2px solid var(--line); background: #f8fafc; cursor: pointer; transition: border-color .2s; }
.pd-thumbs button.active, .pd-thumbs button:hover { border-color: var(--primary); }
.pd-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.pd-title { margin: 10px 0 14px; font-size: clamp(1.7rem, 1.3rem + 1.2vw, 2.35rem); font-weight: 800; letter-spacing: -.02em; line-height: 1.18; }
.pd-summary { font-size: 17px; color: var(--muted); line-height: 1.7; }
.pd-attrs { margin: 26px 0 28px; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.pd-attrs > div { display: grid; grid-template-columns: 170px 1fr; }
.pd-attrs > div + div { border-top: 1px solid var(--line); }
.pd-attrs dt { display: flex; align-items: center; gap: 9px; padding: 14px 16px; background: var(--tint); font-size: 14px; font-weight: 650; color: #475569; }
.pd-attrs dt .icon { width: 17px; height: 17px; color: var(--primary); }
.pd-attrs dd { padding: 14px 18px; font-size: 15px; font-weight: 650; color: var(--dark); }
.pd-points { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); }
.pd-points li { display: flex; align-items: center; gap: 8px; font-size: 14.5px; font-weight: 600; color: #334155; }
.pd-points .icon, .pd-points img { width: 20px; height: 20px; color: var(--primary); }
.pd-certs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.pd-certs img { width: 56px; height: 56px; padding: 4px; border: 1px solid var(--line); border-radius: 10px; background: #fff; object-fit: contain; }
.pd-body { margin-top: 64px; display: grid; gap: 24px; }
.pd-body .faq-list { gap: 10px; }
.pd-updated { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13.5px; }
.pd-updated .icon { width: 15px; height: 15px; }
.cat-content { margin-top: 48px; padding: 36px 40px; background: #fff; border: 1px solid var(--line); border-radius: 20px; }
@media (max-width: 720px) { .cat-content { padding: 24px 18px; } }
.pd-block { padding: 36px 40px; background: #fff; border: 1px solid var(--line); border-radius: 20px; }
.pd-block > h2 { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; font-size: 22px; font-weight: 800; }
.pd-block > h2::before { content: ""; width: 5px; height: 22px; border-radius: 3px; background: var(--primary); }
.spec-table { width: 100%; border-collapse: collapse; font-size: 15px; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; border-style: hidden; box-shadow: 0 0 0 1px var(--line); }
.spec-table th, .spec-table td { padding: 13px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.spec-table th { width: 34%; background: var(--tint); font-weight: 650; color: #475569; }
.spec-table td { color: var(--dark); }

/* Rich text */
.rich { color: var(--body); font-size: 16px; line-height: 1.8; overflow-wrap: break-word; }
.rich > :first-child { margin-top: 0; }
.rich h2 { margin: 36px 0 14px; font-size: 26px; font-weight: 800; }
.rich h3 { margin: 30px 0 12px; font-size: 20px; font-weight: 750; }
.rich h4 { margin: 24px 0 10px; font-size: 17px; font-weight: 700; }
.rich p { margin: 0 0 16px; }
.rich ul, .rich ol { margin: 0 0 18px; padding-left: 24px; }
.rich ul { list-style: disc; }
.rich ol { list-style: decimal; }
.rich li { margin: 6px 0; }
.rich li::marker { color: var(--primary); }
.rich strong { color: var(--dark); }
.rich a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.rich img { margin: 20px 0; border-radius: 14px; }
.rich iframe { width: 100%; aspect-ratio: 16 / 9; height: auto; border: 0; border-radius: 14px; margin: 20px 0; }
.rich blockquote { margin: 20px 0; padding: 16px 20px; border-left: 4px solid var(--primary); background: var(--tint); border-radius: 0 12px 12px 0; }
.rich table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 15px; }
.rich th, .rich td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
.rich th { background: var(--tint); }
.rich .ql-align-center { text-align: center; }
.rich .ql-align-right { text-align: right; }
.rich .ql-align-justify { text-align: justify; }
.rich .ql-align-center img { margin-left: auto; margin-right: auto; }
.rich-lg { font-size: 17px; }

.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.sol-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; transition: box-shadow .25s, transform .25s; }
.sol-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.sol-media { display: block; aspect-ratio: 16 / 9; overflow: hidden; }
.sol-media img { width: 100%; height: 100%; object-fit: cover; }
.sol-body { position: relative; display: flex; flex-direction: column; flex: 1; padding: 34px 28px 28px; }
.sol-icon { position: absolute; top: -28px; left: 28px; width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-700)); border: 4px solid #fff; }
.sol-icon .icon { width: 24px; height: 24px; }
.sol-body h2 { font-size: 20px; font-weight: 750; margin: 6px 0 10px; }
.sol-body h2 a:hover { color: var(--primary); }
.sol-body p { color: var(--muted); font-size: 15px; margin-bottom: 18px; }
.sol-body .link-arrow { margin-top: auto; }

.article-layout { display: grid; grid-template-columns: 1fr 330px; gap: 48px; align-items: start; }
.article h1 { font-size: clamp(1.8rem, 1.3rem + 1.4vw, 2.6rem); font-weight: 800; letter-spacing: -.02em; line-height: 1.2; }
.article-lead { margin-top: 14px; font-size: 18px; color: var(--muted); }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; margin-top: 14px; color: var(--muted); font-size: 14px; }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta + .article-lead { margin-top: 18px; padding-left: 16px; border-left: 4px solid var(--primary); color: var(--body); }
.article-meta .icon { width: 16px; height: 16px; }
.article-cover { width: 100%; margin: 28px 0 32px; border-radius: 18px; aspect-ratio: 16 / 9; object-fit: cover; }
.article-side { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 20px; }
.side-posts { display: grid; gap: 14px; }
.side-posts a { display: flex; gap: 12px; align-items: center; }
.side-posts img { width: 76px; height: 56px; flex: none; object-fit: cover; border-radius: 9px; background: var(--tint); }
.side-posts strong { display: block; font-size: 14px; font-weight: 650; color: var(--dark); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.side-posts small { display: block; margin-top: 3px; font-size: 12.5px; color: var(--muted); }
.side-posts a:hover strong { color: var(--primary); }

.cert-showcase { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; }
.cert-card { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 24px; text-align: center; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: box-shadow .25s; }
.cert-card:hover { box-shadow: var(--shadow); }
.cert-card img { width: 140px; height: 140px; object-fit: contain; margin-bottom: 8px; }
.cert-card strong { color: var(--dark); }
.cert-card small { color: var(--muted); font-size: 13px; }

.contact-cards-wrap { position: relative; z-index: 2; margin-top: -40px; }
.contact-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.contact-card { display: flex; flex-direction: column; gap: 4px; padding: 26px 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); transition: transform .25s; }
a.contact-card:hover { transform: translateY(-3px); }
.cc-icon { width: 48px; height: 48px; margin-bottom: 12px; border-radius: 14px; display: grid; place-items: center; background: var(--primary-50); color: var(--primary); }
.cc-icon.cc-wa { background: var(--wa-50); color: var(--wa); }
.contact-card small { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.contact-card strong { color: var(--dark); font-size: 15.5px; line-height: 1.45; word-break: break-word; }
.map-embed { border-radius: 20px; overflow: hidden; border: 1px solid var(--line); }
.map-embed iframe { display: block; width: 100%; height: 420px; border: 0; }

.message-section { min-height: 62vh; display: flex; align-items: center; background: var(--tint); }
.message-card { max-width: 660px; margin: 0 auto; padding: 56px 44px; text-align: center; background: #fff; border-radius: 24px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.message-icon { width: 80px; height: 80px; margin: 0 auto 24px; border-radius: 50%; display: grid; place-items: center; background: var(--primary-50); color: var(--primary); font-size: 26px; font-weight: 800; }
.message-icon.ok { background: var(--wa-50); color: var(--wa); }
.message-icon .icon { width: 40px; height: 40px; stroke-width: 2.5; }
.message-card h1 { font-size: clamp(1.6rem, 1.3rem + 1vw, 2.1rem); font-weight: 800; }
.message-card p { margin: 14px 0 30px; font-size: 17px; color: var(--muted); }

/* ---------- Footer ---------- */
.footer { background: var(--dark); color: #94a3b8; padding-top: 76px; font-size: 14.5px; }
.footer-grid { display: grid; grid-template-columns: 1.45fr 1fr 1fr 1.3fr; gap: 48px; }
.footer-title { margin-bottom: 20px; color: #fff; font-size: 16px; font-weight: 700; }
.logo-light .logo-text { color: #fff; }
.footer-brand p { margin: 20px 0 24px; line-height: 1.75; max-width: 360px; }
.socials { display: flex; gap: 10px; }
.socials a { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; border: 1px solid rgba(255, 255, 255, .14); color: #cbd5e1; transition: all .2s; }
.socials a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.socials .icon { width: 18px; height: 18px; }
.footer-links li + li { margin-top: 11px; }
.footer-links a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 12px; }
.footer-contact li + li { margin-top: 14px; }
.footer-contact .icon { width: 18px; height: 18px; margin-top: 2px; color: #8fc0ff; }
.footer-contact a { color: #dbe4f0; word-break: break-word; }
.footer-contact a:hover { color: #fff; }
.footer-bottom { margin-top: 64px; padding: 22px 0; border-top: 1px solid rgba(255, 255, 255, .08); font-size: 13.5px; }
.footer-bottom-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px 24px; }
.footer-bottom-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-bottom a:hover { color: #fff; }

/* ---------- WhatsApp float ---------- */
.wa-float { position: fixed; bottom: 24px; right: 24px; z-index: 80; }
.wa-float.wa-left { right: auto; left: 24px; }
.wa-fab { position: relative; display: inline-flex; align-items: center; gap: 10px; height: 58px; padding: 0 24px 0 18px; border: 0; border-radius: 999px; background: var(--wa); color: #fff; font-weight: 700; font-size: 15px; cursor: pointer; box-shadow: 0 14px 30px -10px rgba(31, 168, 85, .75); transition: background .2s, transform .2s; }
.wa-fab:hover { background: var(--wa-700); transform: translateY(-2px); }
.wa-fab .icon { width: 28px; height: 28px; }
.wa-fab::before { content: ""; position: absolute; inset: 0; border-radius: inherit; border: 2px solid var(--wa); animation: wa-pulse 2.4s ease-out infinite; pointer-events: none; }
@keyframes wa-pulse { 0% { transform: scale(1); opacity: .7; } 80%, 100% { transform: scale(1.25, 1.45); opacity: 0; } }
.wa-panel { position: absolute; bottom: 74px; right: 0; width: 350px; max-width: calc(100vw - 32px); border-radius: 20px; overflow: hidden; background: #fff; box-shadow: var(--shadow-lg), 0 0 0 1px rgba(15, 23, 42, .05); transform-origin: bottom right; animation: wa-in .22s ease-out; }
.wa-left .wa-panel { right: auto; left: 0; transform-origin: bottom left; }
@keyframes wa-in { from { opacity: 0; transform: translateY(10px) scale(.97); } to { opacity: 1; transform: none; } }
.wa-head { display: flex; align-items: flex-start; gap: 12px; padding: 20px 18px; color: #fff; background: linear-gradient(135deg, #128c4a, var(--wa)); }
.wa-head-icon { width: 42px; height: 42px; flex: none; border-radius: 50%; display: grid; place-items: center; background: rgba(255, 255, 255, .2); }
.wa-head-icon .icon { width: 24px; height: 24px; }
.wa-head-text { flex: 1; }
.wa-head-text strong { display: block; font-size: 16px; }
.wa-head-text p { margin-top: 4px; font-size: 13.5px; opacity: .92; line-height: 1.5; }
.wa-close { width: 32px; height: 32px; flex: none; border: 0; border-radius: 50%; background: rgba(255, 255, 255, .15); color: #fff; display: grid; place-items: center; cursor: pointer; }
.wa-close .icon { width: 18px; height: 18px; }
.wa-body { padding: 14px; background: #f3f6f4; }
.wa-agent { display: flex; align-items: center; gap: 12px; padding: 12px; margin-bottom: 10px; border-radius: 14px; background: #fff; border: 1px solid #e3e9e5; transition: border-color .2s, box-shadow .2s; }
.wa-agent:hover { border-color: var(--wa); box-shadow: 0 6px 16px -10px rgba(31, 168, 85, .7); }
.wa-avatar { position: relative; width: 46px; height: 46px; flex: none; border-radius: 50%; display: grid; place-items: center; background: var(--wa-50); color: var(--wa-700); font-weight: 800; }
.wa-avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.wa-avatar i { position: absolute; right: 0; bottom: 1px; width: 12px; height: 12px; border-radius: 50%; background: #22c55e; border: 2px solid #fff; }
.wa-agent-info { flex: 1; min-width: 0; }
.wa-agent-info strong { display: block; color: var(--dark); font-size: 15px; }
.wa-agent-info small { display: block; color: var(--muted); font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.wa-agent-go { color: var(--wa); }
.wa-agent-go .icon { width: 24px; height: 24px; }
.wa-note { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: 4px; font-size: 12.5px; color: var(--muted); }
.wa-note .icon { width: 14px; height: 14px; }
.wa-body .btn { margin-bottom: 10px; }

.to-top { position: fixed; right: 32px; bottom: 98px; z-index: 70; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); background: #fff; color: var(--dark); display: grid; place-items: center; cursor: pointer; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .25s; }
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------- Lightbox ---------- */
.lightbox { position: fixed; inset: 0; z-index: 120; display: flex; align-items: center; justify-content: center; padding: 24px; background: rgba(2, 6, 23, .9); }
.lightbox[hidden] { display: none; }
.lb-figure { max-width: 92vw; text-align: center; }
.lb-figure img { max-width: 92vw; max-height: 82vh; width: auto; margin: 0 auto; border-radius: 10px; background: #fff; }
.lb-figure figcaption { margin-top: 14px; color: #e2e8f0; font-size: 15px; }
.lb-btn { position: absolute; width: 50px; height: 50px; border-radius: 50%; border: 0; background: rgba(255, 255, 255, .12); color: #fff; display: grid; place-items: center; cursor: pointer; }
.lb-btn:hover { background: rgba(255, 255, 255, .24); }
.lb-close { top: 20px; right: 20px; }
.lb-prev { left: 20px; top: calc(50% - 25px); }
.lb-next { right: 20px; top: calc(50% - 25px); }

/* ---------- Chinese ---------- */
html[lang^="zh"] .hero-title, html[lang^="zh"] .section-head h2, html[lang^="zh"] h1 { letter-spacing: 0; }
html[lang^="zh"] body { line-height: 1.75; }

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-rating { grid-column: 1 / -1; }
  .trust-rating .rating-box { justify-content: center; gap: 40px; }
  .nav-item > a { padding: 0 10px; }
  .nav-item > a::after { left: 10px; right: 10px; }
}

@media (max-width: 1024px) {
  :root { --header-h: 68px; }
  .nav-toggle { display: grid; }
  .nav { position: fixed; top: var(--nav-top, var(--header-h)); right: 0; bottom: 0; width: min(380px, 100%); margin: 0; padding: 12px 20px 28px; background: #fff; border-left: 1px solid var(--line); overflow-y: auto; transform: translateX(100%); visibility: hidden; transition: transform .3s, visibility .3s; z-index: 60; }
  .nav-open .nav { transform: none; visibility: visible; box-shadow: var(--shadow-lg); }
  .nav-open::after { content: ""; position: fixed; inset: 0; background: rgba(2, 6, 23, .35); z-index: 40; }
  .nav-open .wa-float, .nav-open .to-top { display: none; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-item { border-bottom: 1px solid var(--line-2); }
  .nav-item > a { height: 54px; padding: 0 4px; font-size: 16px; }
  .nav-item > a::after { display: none; }
  .nav-item .caret { display: none; }
  .sub-toggle { display: grid; place-items: center; position: absolute; right: 0; top: 7px; width: 40px; height: 40px; border: 0; border-radius: 8px; background: var(--tint); cursor: pointer; }
  .sub-toggle .icon { transition: transform .25s; }
  .has-sub.open .sub-toggle .icon { transform: rotate(180deg); }
  .sub-menu { position: static; display: none; min-width: 0; padding: 0 0 10px 8px; border: 0; box-shadow: none; opacity: 1; visibility: visible; transform: none; }
  .has-sub.open .sub-menu { display: block; }
  .nav-mobile-cta { display: flex; margin-top: 22px; }
  .nav-mobile-langs { display: flex; align-items: center; gap: 8px; margin-top: 16px; color: var(--muted); }
  .nav-mobile-langs a { flex: 1; height: 42px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 10px; font-weight: 600; color: var(--body); }
  .nav-mobile-langs a.active { border-color: var(--primary); color: var(--primary); background: var(--primary-50); }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-media { max-width: 720px; }
  .carousel-btn.prev { left: 12px; }
  .carousel-btn.next { right: 12px; }
  .adv-grid, .testi-grid, .news-grid, .sol-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .stats-band { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
  .stat:nth-child(3) { border-left: 0; }
  .inquiry-grid { grid-template-columns: 1fr; }
  .inquiry-aside { position: static; }
  .shop { grid-template-columns: 1fr; }
  .shop-side { position: static; }
  .side-cta { display: none; }
  .side-cats { display: flex; flex-wrap: wrap; gap: 8px; }
  .side-cats a { border: 1px solid var(--line); padding: 7px 12px; }
  .pd-grid { grid-template-columns: 1fr; gap: 36px; }
  .pd-gallery { position: static; max-width: 620px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-side { position: static; }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { flex-direction: column; align-items: flex-start; padding: 40px; }
}

@media (max-width: 720px) {
  body { font-size: 15.5px; }
  .container { padding: 0 16px; }
  .section { padding: 64px 0; }
  .section-sm { padding: 40px 0; }
  .section-head { margin-bottom: 32px; }
  .section-head p { font-size: 15.5px; }
  .section-head-row { flex-direction: column; align-items: flex-start; }
  .topbar-text { display: none; }
  .topbar-inner { justify-content: center; }
  .topbar-contact { gap: 16px; }
  .header-cta span { display: none; }
  .header-cta { width: 44px; height: 44px; padding: 0; }
  .header-cta .icon { width: 22px; height: 22px; }
  .lang-btn span, .lang-btn .caret { display: none; }
  .logo-text { font-size: 19px; }
  .hero { padding: 44px 0 60px; }
  .hero-sub { font-size: 16.5px; }
  .hero .btn-row .btn { flex: 1 1 auto; }
  .hero-points { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .hero-points li { flex-direction: column; text-align: center; gap: 8px; }
  .hp-text small { font-size: 12px; }
  .hp-text strong { font-size: 13.5px; }
  .hero-media::before { display: none; }
  .carousel-btn { width: 38px; height: 38px; top: calc(50% - 19px); }
  .cat-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .cat-card { padding: 22px 10px 18px; }
  .product-grid, .product-grid.grid-3 { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .pc-body { padding: 14px 12px 14px; gap: 8px; }
  .pc-title { font-size: 14.5px; }
  .pc-meta { grid-template-columns: 1fr; gap: 4px; padding: 8px 10px; }
  .pc-meta div { display: flex; justify-content: space-between; gap: 6px; align-items: baseline; }
  .pc-meta dd { font-size: 12.5px; text-align: right; }
  .pc-actions .btn-outline { font-size: 13px; padding: 0 8px; }
  .adv-grid, .testi-grid, .news-grid, .sol-grid { grid-template-columns: 1fr; }
  .adv-card { padding: 26px 22px; }
  .stats-band { padding: 30px 12px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-col { padding: 22px 18px; }
  .rating-box { flex-direction: row; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .gallery-cap { font-size: 12.5px; padding: 24px 10px 10px; }
  .inquiry-main { padding: 28px 20px; border-radius: 18px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-foot .btn { width: 100%; }
  .aside-card { padding: 28px 22px; }
  .pd-attrs > div { grid-template-columns: 130px 1fr; }
  .pd-block { padding: 26px 18px; }
  .spec-table th, .spec-table td { padding: 11px 12px; font-size: 14px; }
  .pd-info .btn-row .btn { flex: 1 1 auto; }
  .contact-cards { grid-template-columns: 1fr; }
  .contact-cards-wrap { margin-top: -28px; }
  .footer { padding-top: 56px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { margin-top: 40px; }
  .cta-band { padding-bottom: 64px; }
  .cta-inner { padding: 32px 22px; }
  .cta-inner .btn-row, .cta-inner .btn { width: 100%; }
  .message-card { padding: 40px 22px; }
  .wa-float { bottom: 16px; right: 16px; }
  .wa-float.wa-left { left: 16px; }
  .wa-fab { width: 58px; padding: 0; justify-content: center; }
  .wa-fab-label { display: none; }
  .to-top { right: 22px; bottom: 86px; }
  .lb-prev, .lb-next { top: auto; bottom: 20px; }
}

@media (max-width: 340px) {
  .product-grid, .product-grid.grid-3 { grid-template-columns: 1fr; }
  .hero-points { grid-template-columns: 1fr; }
  .hero-points li { flex-direction: row; text-align: left; }
}