/* ============ CHITU EV ============ */
:root {
  --red: #E8442E;
  --red-dark: #C9331F;
  --ink: #14171C;
  --ink-soft: #3C434D;
  --gray: #6B7280;
  --line: #E5E7EB;
  --bg: #FFFFFF;
  --bg-alt: #F6F7F8;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(20, 23, 28, .08);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans', sans-serif; color: var(--ink); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.container.narrow { max-width: 760px; }
.center-text { text-align: center; }
.muted { color: var(--gray); }
.small { font-size: .85rem; }
.accent { color: var(--red); }
.error { color: var(--red); margin-bottom: 12px; }
.ok { color: #15803D; font-weight: 600; }

/* ---------- header ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 1.25rem; letter-spacing: .02em; }
.logo em { font-style: normal; color: var(--red); }
.main-nav { display: flex; gap: 26px; font-weight: 500; font-size: .95rem; }
.main-nav a:hover, .main-nav a.active { color: var(--red); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.cart-link { font-weight: 600; position: relative; }
.cart-badge { background: var(--red); color: #fff; border-radius: 99px; font-size: .72rem; padding: 1px 7px; margin-left: 4px; font-weight: 700; }
.nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 620px; display: flex; align-items: center; color: #fff; overflow: hidden; background-color: #14181F; background-size: cover; background-position: center; background-repeat: no-repeat; }
.hero-slides { position: absolute; inset: 0; }
/* JS 驱动轮播（移动端/iOS 低电量下 CSS keyframes 常被节流，改用 class 切换 + transition） */
.hero-slide { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .6s ease-in-out; will-change: opacity; }
.hero-slide.is-active { opacity: 1; animation: heroZoom 5s linear forwards; }
@keyframes heroZoom {
  from { transform: scale(1); }
  to { transform: scale(1.04); }
}
/* 系统开启「减弱动态效果」时仍保持轮播（淡入切换），只去掉推拉缩放 */
@media (prefers-reduced-motion: reduce) {
  .hero-slide { transition-duration: .35s; }
  .hero-slide.is-active { animation: none; }
}
/* 无 JS 时固定显示第一张 */
.no-js .hero-slide + .hero-slide { display: none; }
.no-js .hero-slide { opacity: 1; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(10,12,16,.82) 0%, rgba(10,12,16,.45) 55%, rgba(10,12,16,.15) 100%); }
.hero-content { position: relative; z-index: 2; padding: 90px 20px; }
.hero-kicker { text-transform: uppercase; letter-spacing: .18em; font-size: .8rem; font-weight: 600; color: #FFB4A8; margin-bottom: 14px; }
.hero h1 { font-weight: 800; font-size: clamp(3rem, 7vw, 5.4rem); line-height: .98; letter-spacing: -.02em; margin-bottom: 16px; }
.hero-sub { font-size: 1.15rem; max-width: 520px; color: #E5E7EB; margin-bottom: 28px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.hero-stats strong { display: block; font-size: 1.5rem; font-weight: 800; }
.hero-stats span { color: #9CA3AF; font-size: .85rem; }

/* ---------- buttons ---------- */
.btn { display: inline-block; padding: 13px 28px; border-radius: 10px; font-weight: 700; font-size: .95rem; border: 2px solid transparent; cursor: pointer; transition: all .18s; text-align: center; }
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); transform: translateY(-1px); }
.btn-ghost { border-color: rgba(255,255,255,.5); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.1); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; }
.btn-ghost-dark { border-color: var(--line); color: var(--ink); }
.btn-lg { padding: 16px 34px; font-size: 1.02rem; }
.btn.full { width: 100%; }
.link-arrow { color: var(--red); font-weight: 600; }

/* ---------- trustbar ---------- */
.trustbar { background: var(--ink); color: #E5E7EB; padding: 14px 0; font-size: .9rem; font-weight: 500; }
.trust-grid { display: flex; justify-content: space-around; gap: 14px; flex-wrap: wrap; }

/* ---------- sections ---------- */
.section { padding: 84px 0; }
.section.alt { background: var(--bg-alt); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 38px; gap: 16px; flex-wrap: wrap; }
.section-head.center { justify-content: center; }

/* ---------- product cards ---------- */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(255px, 1fr)); gap: 26px; }
.product-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .2s; display: flex; flex-direction: column; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product-img { position: relative; background: var(--bg-alt); aspect-ratio: 1; display: flex; align-items: center; }
.product-img img { width: 100%; height: 100%; object-fit: cover; }
.badge { position: absolute; top: 12px; left: 12px; background: var(--red); color: #fff; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; padding: 4px 10px; border-radius: 6px; }
.badge.big { font-size: .82rem; padding: 6px 14px; }
.product-info { padding: 18px 20px 22px; }
.product-cat { font-size: .74rem; text-transform: uppercase; letter-spacing: .1em; color: var(--gray); font-weight: 600; margin-bottom: 4px; }
.tagline { color: var(--gray); font-size: .92rem; margin: 2px 0 12px; }
.price-row { display: flex; align-items: center; gap: 10px; }
.price { font-size: 1.25rem; font-weight: 800; }
.compare { color: var(--gray); text-decoration: line-through; font-size: .95rem; }
.save { background: #FEE2E2; color: var(--red-dark); font-size: .75rem; font-weight: 700; padding: 3px 8px; border-radius: 6px; }
.empty { padding: 40px 0; color: var(--gray); }

/* ---------- why ---------- */
.why { background: var(--ink); color: #fff; }
.why .section-head.center h2 { color: #fff; }
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; }
.why-card { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius); padding: 28px 24px; }
.why-icon { font-size: 1.9rem; margin-bottom: 12px; }
.why-card p { color: #9CA3AF; font-size: .93rem; margin-top: 8px; }

/* ---------- lifestyle ---------- */
.lifestyle { position: relative; min-height: 440px; display: flex; align-items: flex-end; overflow: hidden; background-color: #14181F; background-size: cover; background-position: center; background-repeat: no-repeat; }
.lifestyle img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.lifestyle-caption { position: relative; z-index: 2; padding: 48px 20px; color: #fff; background: linear-gradient(transparent, rgba(10,12,16,.75)); width: 100%; }
.lifestyle-caption h2 { margin-bottom: 16px; }

/* ---------- reviews ---------- */
.review-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; }
.review-card { background: var(--bg-alt); border-radius: var(--radius); padding: 26px 24px; }
.stars { color: #F59E0B; letter-spacing: 2px; margin-bottom: 10px; }
.reviewer { color: var(--gray); font-size: .88rem; font-weight: 500; }

/* ---------- newsletter ---------- */
.newsletter { background: var(--red); color: #fff; padding: 56px 0; }
.newsletter-inner { display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap; }
.newsletter-form { display: flex; gap: 10px; flex-wrap: wrap; }
.newsletter-form input { padding: 13px 16px; border-radius: 10px; border: none; min-width: 260px; font-size: .95rem; }
.newsletter .btn-primary { background: #fff; color: var(--red); }
.newsletter .btn-primary:hover { background: #FFE6E2; }

/* ---------- page hero ---------- */
.page-hero { background: var(--ink); color: #fff; padding: 72px 0; }
.page-hero p { color: #9CA3AF; max-width: 640px; margin-top: 10px; font-size: 1.05rem; }

/* ---------- filter ---------- */
.filter-bar { display: flex; gap: 10px; margin-bottom: 32px; flex-wrap: wrap; }
.filter { padding: 9px 20px; border-radius: 99px; border: 1px solid var(--line); font-weight: 600; font-size: .9rem; }
.filter:hover { border-color: var(--red); color: var(--red); }
.filter.active { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ---------- PDP ---------- */
.pdp { padding: 40px 0 64px; }
.pdp-grid { display: grid; grid-template-columns: 1.08fr 1fr; gap: 52px; align-items: start; }
.pdp-desc { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; }
.spec-box { background: var(--bg-alt); border-radius: var(--radius); padding: 26px 28px; }
.spec-box h3 { margin-bottom: 12px; }
.spec-box table { width: 100%; border-collapse: collapse; font-size: .93rem; }
.spec-box th { text-align: left; color: var(--gray); font-weight: 600; padding: 8px 12px 8px 0; white-space: nowrap; vertical-align: top; }
.spec-box td { padding: 8px 0; border-bottom: 1px solid var(--line); }
.spec-box tr:last-child td { border-bottom: none; }

/* gallery */
.pdp-stage { position: relative; border-radius: 18px; overflow: hidden; border: 1px solid var(--line);
  background: radial-gradient(circle at 50% 42%, #FFFFFF 0%, #F1F3F5 78%, #E8EBEE 100%); }
.pdp-main-img { width: 100%; aspect-ratio: 1; object-fit: cover; transition: opacity .2s, transform .35s; }
.pdp-main-img:hover { transform: scale(1.035); }
.pdp-main-img.fade { opacity: .35; }
.stage-badge { position: absolute; top: 16px; left: 16px; z-index: 2; background: var(--ink); color: #fff; font-weight: 800; font-size: .8rem; letter-spacing: .08em; padding: 6px 12px; border-radius: 8px; }
.stage-count { position: absolute; right: 14px; bottom: 12px; z-index: 2; background: rgba(20,23,28,.72); color: #fff; font-size: .76rem; font-weight: 600; padding: 5px 12px; border-radius: 99px; backdrop-filter: blur(4px); }
.pdp-thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(86px, 1fr)); gap: 10px; margin-top: 12px; }
.pdp-thumbs .thumb { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 12px; border: 2px solid var(--line); cursor: pointer; transition: border-color .15s, transform .15s; background: #fff; }
.pdp-thumbs .thumb:hover { transform: translateY(-2px); }
.pdp-thumbs .thumb.active { border-color: var(--red); box-shadow: 0 4px 14px rgba(232,68,46,.22); }

/* info panel */
.pdp-info { position: sticky; top: 92px; }
.pdp-info h1 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin: 12px 0 4px; }
.chip-row { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font-size: .76rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; border: 1.5px solid var(--line); color: var(--ink-soft); border-radius: 99px; padding: 4px 12px; }
.chip-dark { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip-cert { background: #EAF3DE; border-color: #CBE3AF; color: #3B6D11; }
.quick-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 20px 0 4px; }
.qf { background: var(--bg-alt); border-radius: 12px; padding: 12px 16px; }
.qf span { display: block; font-size: .74rem; text-transform: uppercase; letter-spacing: .07em; color: var(--gray); font-weight: 600; }
.qf b { font-size: 1.02rem; font-weight: 800; }

/* tier price cards */
.tier-block { margin: 20px 0 18px; }
.tier-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; font-weight: 800; font-size: 1.02rem; margin-bottom: 12px; }
.tier-head .small { font-weight: 500; }
.tier-cards { display: flex; gap: 10px; }
.tier-card { position: relative; flex: 1; text-align: center; border: 1.5px solid var(--line); border-radius: 14px; padding: 16px 8px 13px; display: flex; flex-direction: column; gap: 2px; background: #fff; }
.tier-card.best { border-color: var(--red); background: #FFF6F4; box-shadow: 0 6px 18px rgba(232,68,46,.14); }
.tier-tag { position: absolute; top: -10px; left: 50%; transform: translateX(-50%); background: var(--red); color: #fff; font-size: .64rem; font-weight: 800; letter-spacing: .12em; padding: 2px 10px; border-radius: 99px; }
.tier-card .tq { font-size: .78rem; color: var(--gray); font-weight: 600; white-space: nowrap; }
.tier-card .tp { font-size: 1.55rem; font-weight: 800; letter-spacing: -.02em; }
.tier-card.best .tp { color: var(--red); }
.tier-card .tu { font-size: .72rem; color: var(--gray); white-space: nowrap; }

/* meta + cta */
.pdp-meta { list-style: none; margin: 4px 0 20px; border-top: 1px dashed var(--line); padding-top: 12px; }
.pdp-meta li { display: flex; align-items: baseline; gap: 10px; padding: 6px 0; font-size: .95rem; }
.pdp-meta li span { color: var(--red); font-size: .6rem; }
.pdp-meta li strong { min-width: 90px; color: var(--gray); font-weight: 600; }
.pdp-meta li em { font-style: normal; font-weight: 700; }
.pdp-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.pdp-cta .btn { flex: 1.4; min-width: 200px; }
.pdp-cta .btn-dark { flex: 1; }
.pdp-note { margin-bottom: 16px; }
.trade-strip { display: flex; gap: 8px 20px; flex-wrap: wrap; border-top: 1px dashed var(--line); padding-top: 16px; color: var(--ink-soft); font-size: .86rem; font-weight: 600; }

/* description + spec card section */
.pdp-detail-sec { padding: 72px 0; }
.pdp-detail-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 52px; align-items: start; }
.pdp-desc-text { margin: 16px 0 22px; color: var(--ink-soft); font-size: 1.05rem; }
.spec-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 28px 30px; box-shadow: var(--shadow); }
.spec-card h3 { margin-bottom: 14px; padding-bottom: 12px; border-bottom: 2px solid var(--ink); display: inline-block; }
.spec-card table { width: 100%; border-collapse: collapse; font-size: .93rem; }
.spec-card th { text-align: left; color: var(--gray); font-weight: 600; padding: 9px 16px 9px 0; white-space: nowrap; vertical-align: top; width: 38%; }
.spec-card td { padding: 9px 0; border-bottom: 1px solid var(--line); font-weight: 500; }
.spec-card tr:last-child td { border-bottom: none; }

/* ---------- cart / checkout ---------- */
.qty { display: flex; align-items: center; border: 2px solid var(--line); border-radius: 10px; overflow: hidden; }
.qty button { width: 40px; height: 52px; border: none; background: var(--bg-alt); font-size: 1.2rem; cursor: pointer; }
.qty input { width: 56px; height: 52px; border: none; text-align: center; font-size: 1rem; font-weight: 700; }
.cart-section h1 { margin-bottom: 28px; }
.cart-item { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.cart-item .qty input { height: 40px; }
.cart-item-remove { background: none; border: none; color: var(--gray); cursor: pointer; font-size: 1.1rem; }
.cart-summary { margin-top: 22px; }
.row { display: flex; justify-content: space-between; padding: 6px 0; }
.row.total { font-size: 1.25rem; font-weight: 800; border-top: 2px solid var(--ink); margin-top: 10px; padding-top: 12px; }
.cart-summary .btn { margin: 18px 0 12px; }
.cart-empty { text-align: center; padding: 50px 0; }
.cart-empty p { color: var(--gray); margin-bottom: 18px; }
.checkout-form label { display: block; margin-bottom: 14px; font-weight: 600; font-size: .92rem; }
.checkout-form input, .checkout-form textarea, .checkout-form select { width: 100%; margin-top: 6px; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; font: inherit; font-weight: 400; }
.checkout-form input:focus, .checkout-form textarea:focus { outline: none; border-color: var(--red); }
.checkout-form h3 { margin: 22px 0 14px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.checkout-items { margin-bottom: 12px; }
.checkout-form .btn-lg { margin-top: 16px; }
.grid2 label input[type="checkbox"] { width: auto; margin-right: 8px; }

/* ---------- order success ---------- */
.success-icon { font-size: 3rem; margin-bottom: 12px; }
.order-no { color: var(--red); font-size: 1.2rem; }
.order-box { background: var(--bg-alt); border-radius: var(--radius); padding: 22px 26px; margin: 24px auto; max-width: 480px; text-align: left; }
.order-box .btn { margin-top: 12px; }
.center-text .btn { margin-top: 10px; }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; }
.about-text h2 { margin: 22px 0 10px; }
.about-text p { margin-bottom: 12px; color: var(--ink-soft); }
.values { list-style: none; margin-top: 8px; }
.values li { padding: 8px 0 8px 26px; position: relative; }
.values li::before { content: '→'; position: absolute; left: 0; color: var(--red); font-weight: 800; }
.about-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-content: start; }
.fact { background: var(--bg-alt); border-radius: var(--radius); padding: 26px 20px; text-align: center; }
.fact strong { display: block; font-size: 1.9rem; font-weight: 800; color: var(--red); }
.fact span { color: var(--gray); font-size: .88rem; }

/* ---------- faq / inquiry ---------- */
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 700; padding: 16px 0; list-style: none; position: relative; padding-right: 30px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 4px; color: var(--red); font-size: 1.3rem; }
.faq details[open] summary::after { content: '−'; }
.faq p { padding: 0 0 16px; color: var(--ink-soft); }
.inquiry-form { margin-top: 16px; }

/* ---------- B2B additions ---------- */
.b2b-bar { background: var(--ink); color: #FCA697; text-align: center; font-size: .8rem; padding: 6px 12px; font-weight: 500; }
.btn-sm { padding: 8px 16px; font-size: .85rem; }
.quote-btn { white-space: nowrap; }
.lang-switch { max-width: 150px; padding: 8px 10px; border: 1.5px solid var(--line); border-radius: 10px; font: inherit; font-weight: 600; font-size: .84rem; background: #fff; cursor: pointer; }
.lang-switch:hover { border-color: var(--ink); }
.moq-tag { font-size: .78rem; font-weight: 600; color: var(--gray); border: 1px solid var(--line); border-radius: 6px; padding: 2px 8px; white-space: nowrap; }
.pdp-breadcrumb { font-size: .85rem; color: var(--gray); margin-bottom: 20px; }
.pdp-breadcrumb a:hover { color: var(--red); }
.pdp-top { padding-top: 34px; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: #9CA3AF; padding: 56px 0 0; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 34px; padding-bottom: 40px; }
.footer-logo { color: #fff; margin-bottom: 10px; }
.footer-logo em { color: var(--red); }
.site-footer h4 { color: #fff; margin-bottom: 12px; font-size: .95rem; }
.site-footer a { display: block; padding: 4px 0; }
.site-footer a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 20px; display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; font-size: .84rem; }
.footer-bottom em { font-style: normal; color: var(--red); }

/* ---------- toast ---------- */
.toast { position: fixed; bottom: 28px; left: 50%; transform: translate(-50%, 20px); background: var(--ink); color: #fff; padding: 13px 24px; border-radius: 10px; font-weight: 600; opacity: 0; transition: all .3s; z-index: 200; box-shadow: var(--shadow); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- admin ---------- */
.admin { padding: 40px 0 80px; }
.admin-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 26px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 40px; }
.stat { background: var(--bg-alt); border-radius: var(--radius); padding: 20px 22px; }
.stat .num { display: block; font-size: 1.7rem; font-weight: 800; color: var(--red); }
.admin h2 { margin: 34px 0 14px; font-size: 1.35rem; }
.admin-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.admin-table th { text-align: left; padding: 10px 12px 10px 0; color: var(--gray); font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; border-bottom: 2px solid var(--ink); }
.admin-table td { padding: 12px 12px 12px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.admin-table select { padding: 6px 8px; border-radius: 8px; border: 1px solid var(--line); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .main-nav { display: none; position: absolute; top: 66px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 18px 24px; gap: 14px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .main-nav.open { display: flex; }
  .nav-toggle { display: block; }
  .pdp-grid, .pdp-desc, .about-grid, .pdp-detail-grid { grid-template-columns: 1fr; }
  .pdp-info { position: static; }
  .tier-cards { flex-direction: column; }
  .tier-card { flex-direction: row; align-items: baseline; justify-content: space-between; text-align: left; padding: 12px 16px; gap: 10px; }
  .tier-tag { position: static; transform: none; order: 3; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid { justify-content: flex-start; }
  .hero-stats { gap: 24px; }
}
@media (max-width: 520px) {
  .grid2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
}