/* 辉煌塑胶官网 —— 前台样式 */
:root {
  --red: #da251c;
  --red-d: #b51d15;
  --ink: #1f1f1f;
  --ink-2: #4a4a4a;
  --muted: #8a8a8a;
  --line: #e7e7e7;
  --bg-soft: #f6f6f4;
  --radius: 10px;
  --wrap: 1320px;
  --hd-h: 76px;
  font-size: 16px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; color: var(--ink); background: #fff; line-height: 1.7;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", Roboto, Arial, sans-serif;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--red); }
button, input, textarea { font: inherit; color: inherit; }
h1, h2, h3 { line-height: 1.3; margin: 0; font-weight: 600; }
p { margin: 0 0 1em; }
.qf-wrap { width: 100%; max-width: var(--wrap); margin-left: auto; margin-right: auto; padding-left: 24px; padding-right: 24px; }
.qf-sr-only, .qf-hp { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.qf-skip { position: absolute; left: -9999px; top: 0; background: var(--red); color: #fff; padding: 8px 14px; z-index: 100; }
.qf-skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

/* ---------- 头部 ---------- */
.qf-hd { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--line); }
.qf-hd-in { height: var(--hd-h); display: flex; align-items: center; gap: 32px; }
.qf-logo img { height: 48px; width: auto; }
.qf-nav { flex: 1; }
.qf-nav ul { list-style: none; display: flex; gap: 6px; margin: 0; padding: 0; }
.qf-nav a { display: block; padding: 8px 14px; font-size: 15px; border-radius: 6px; position: relative; }
.qf-nav a.on { color: var(--red); }
.qf-nav a.on::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: -2px; height: 2px; background: var(--red); border-radius: 2px; }
.qf-hd-search { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; height: 38px; }
.qf-hd-search input { border: 0; outline: 0; padding: 0 14px; width: 190px; font-size: 14px; background: transparent; }
.qf-hd-search button { border: 0; background: var(--red); color: #fff; padding: 0 16px; cursor: pointer; font-size: 14px; }
.qf-hd-search button:hover { background: var(--red-d); }
.qf-lang { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--muted); white-space: nowrap; }
.qf-lang a.on { color: var(--ink); font-weight: 600; }
.qf-menu-btn { display: none; width: 42px; height: 42px; border: 0; background: none; padding: 10px 9px; cursor: pointer; margin-left: auto; }
.qf-menu-btn span { display: block; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: transform .25s, opacity .25s; }
.qf-menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.qf-menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.qf-menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.qf-drawer { border-top: 1px solid var(--line); background: #fff; max-height: calc(100vh - var(--hd-h)); overflow: auto; padding: 16px 24px 28px; }
.qf-drawer ul { list-style: none; margin: 0; padding: 0; }
.qf-drawer > ul > li { border-bottom: 1px solid var(--line); }
.qf-drawer > ul > li > a { display: block; padding: 14px 0; font-size: 17px; }
.qf-drawer li ul { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 12px; padding: 0 0 14px; }
.qf-drawer li ul a { color: var(--ink-2); font-size: 14px; }
.qf-dr-search { display: flex; gap: 8px; margin-bottom: 8px; }
.qf-dr-search input { flex: 1; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.qf-dr-search button { border: 0; background: var(--red); color: #fff; border-radius: 8px; padding: 0 16px; }
.qf-dr-lang { display: flex; gap: 20px; padding-top: 18px; }

/* ---------- 通用 ---------- */
.qf-sec { padding: 72px 0; }
.qf-sec-title { text-align: center; font-size: clamp(26px, 3vw, 38px); font-weight: 400; letter-spacing: .04em; margin-bottom: 40px; }
.qf-sec-title.light { color: #fff; }
.qf-bar-title { font-size: 22px; margin: 48px 0 24px; padding-left: 14px; border-left: 4px solid var(--red); }
.qf-sub-title { font-size: 20px; margin: 36px 0 16px; text-align: center; }
.qf-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; background: var(--red); color: #fff; border: 1px solid var(--red); border-radius: 999px; padding: 11px 30px; cursor: pointer; font-size: 15px; transition: background .2s; }
.qf-btn:hover { background: var(--red-d); color: #fff; }
.qf-btn-line { background: transparent; color: var(--red); }
.qf-btn-line:hover { background: var(--red); color: #fff; }
.qf-rich { color: var(--ink-2); overflow-wrap: anywhere; }
.qf-rich img { border-radius: 6px; margin: 8px auto; }
.qf-rich table { border-collapse: collapse; max-width: 100%; }
.qf-rich td, .qf-rich th { border: 1px solid var(--line); padding: 6px 10px; }
.qf-empty { text-align: center; color: var(--muted); padding: 60px 0; }
.qf-reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.qf-reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .qf-reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }
.qf-crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 14px; color: var(--muted); padding-top: 20px; padding-bottom: 4px; }
.qf-crumbs a:hover { color: var(--red); }
.qf-pg-banner img { width: 100%; max-height: 420px; object-fit: cover; }

/* 轮播 */
.qf-hero .qf-pane img { width: 100%; aspect-ratio: 1400 / 382; object-fit: cover; }
.qf-hero-m { display: none; }
.qf-hero .qfcarousel-pagination-bullet-active, .qfcarousel-pagination-bullet-active { background: var(--red); }
.qfcarousel-button-prev, .qfcarousel-button-next { color: var(--red); }

/* 产品系列导航 */
.qf-series { position: relative; display: flex; align-items: center; gap: 8px; margin-bottom: 40px; }
.qf-series-carousel { flex: 1; }
.qf-series-prev, .qf-series-next { flex: none; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 50%; background: #fff; font-size: 24px; line-height: 1; cursor: pointer; color: var(--ink-2); }
.qf-series-prev:hover, .qf-series-next:hover { border-color: var(--red); color: var(--red); }
.qf-series-item { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 8px 4px; text-align: center; }
.qf-series-ico { position: relative; width: 110px; height: 110px; }
.qf-series-ico img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; transition: opacity .25s; }
.qf-series-ico .qf-i1 { opacity: 0; }
.qf-series-item.on .qf-i1 { opacity: 1; }
.qf-series-item.on .qf-i0 { opacity: 0; }
/* 只在有鼠标的设备上做悬停换图：iPhone 上悬停会让“第一次点击”只触发换图、不打开链接 */
@media (hover: hover) and (pointer: fine) {
  .qf-series-item:hover .qf-i1 { opacity: 1; }
  .qf-series-item:hover .qf-i0 { opacity: 0; }
}
.qf-series-t { font-size: 15px; line-height: 1.4; }
.qf-series-item.on .qf-series-t { color: var(--red); font-weight: 600; }

/* 产品网格 */
.qf-pgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px 24px; }
.qf-pcard { display: flex; flex-direction: column; gap: 6px; }
.qf-pcard-img { display: block; aspect-ratio: 1; background: var(--bg-soft); border-radius: var(--radius); overflow: hidden; }
.qf-pcard-img img { width: 100%; height: 100%; object-fit: contain; transition: transform .5s; }
@media (hover: hover) and (pointer: fine) { .qf-pcard:hover .qf-pcard-img img { transform: scale(1.05); } }
.qf-pcard-model { font-weight: 600; font-size: 16px; margin-top: 6px; }
.qf-pcard-name { color: var(--muted); font-size: 14px; line-height: 1.5; }
.qf-pager { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 48px; }
.qf-pager a, .qf-pager span { min-width: 40px; height: 40px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; }
.qf-pager .qf-cur { background: var(--red); border-color: var(--red); color: #fff; }
.qf-pager .qf-gap { border: 0; }
.qf-pager a:hover { border-color: var(--red); }

/* 首页 */
.qf-brand { background: var(--bg-soft); }
.qf-brand-in { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center; }
.qf-brand-h { font-size: clamp(36px, 5vw, 64px); font-weight: 300; letter-spacing: .08em; }
.qf-brand-sub { color: var(--red); font-size: 20px; margin: 16px 0; }
.qf-brand-img img { border-radius: var(--radius); width: 100%; }
.qf-brand .qf-btn { margin-top: 12px; }
.qf-quals img { width: 100%; border-radius: var(--radius); }
.qf-exh { background: linear-gradient(#fff, var(--bg-soft)); }
.qf-exh-line { position: relative; }
.qf-exh-line::after { content: ""; position: absolute; left: 0; right: 0; top: calc(var(--exh-img-h, 190px) + 22px); height: 1px; background: #f0b7b3; }
.qf-exh-item { display: flex; flex-direction: column; align-items: center; text-align: center; }
.qf-exh-img { width: 100%; height: var(--exh-img-h, 190px); overflow: hidden; border-radius: var(--radius); background: #eee; }
.qf-exh-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
@media (hover: hover) and (pointer: fine) { .qf-exh-item:hover .qf-exh-img img { transform: scale(1.05); } }
.qf-exh-dot { width: 12px; height: 12px; border: 2px solid var(--red); background: #fff; border-radius: 50%; margin: 16px 0 10px; position: relative; z-index: 1; }
.qf-exh-year { font-weight: 700; }
.qf-exh-t { font-size: 14px; color: var(--muted); }
.qf-adv { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.qf-adv-item { position: relative; border-radius: var(--radius); overflow: hidden; background: #ddd; min-height: 200px; }
.qf-adv-item img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.qf-adv-item p { position: absolute; left: 0; right: 0; bottom: 0; margin: 0; padding: 36px 24px 18px; color: #fff; font-size: 18px; background: linear-gradient(transparent, rgba(0,0,0,.6)); }
.qf-custom { background: #262626 url('/assets/img/about-band.jpg') center / cover; background-blend-mode: multiply; color: #fff; }
.qf-custom-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.qf-custom-item { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); border-radius: var(--radius); padding: 28px; }
.qf-custom-item img { width: 56px; height: 56px; object-fit: contain; margin-bottom: 14px; background: #fff; border-radius: 10px; padding: 6px; }
.qf-custom-item h3 { font-size: 19px; margin-bottom: 8px; }
.qf-custom-item .qf-rich { color: rgba(255,255,255,.8); font-size: 14px; }
.qf-process { margin-top: 40px; background: #fff; color: var(--ink); border-radius: var(--radius); padding: 32px; }
.qf-process h3 { font-size: 20px; margin-bottom: 20px; text-align: center; }
.qf-process ol { list-style: none; margin: 0; padding: 0; display: flex; justify-content: space-between; gap: 8px; counter-reset: s; }
.qf-process li { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; font-size: 15px; position: relative; }
.qf-process li + li::before { content: "›"; position: absolute; left: -12px; top: 22px; color: var(--red); font-size: 28px; }
.qf-process li img { width: 66px; height: 66px; object-fit: contain; }
.qf-process-note { margin-top: 20px; font-size: 13px; color: var(--muted); text-align: center; }

/* 产品详情 */
.qf-pd-gallery, .qf-pd-info { min-width: 0; }
.qf-pd { padding-top: 16px; padding-bottom: 72px; }
.qf-pd-top { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 56px; }
.qf-pd-carousel { border-radius: var(--radius); background: var(--bg-soft); }
.qf-pd-carousel img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.qf-pd-thumbs { margin-top: 12px; }
.qf-pd-thumbs .qf-pane { flex: 0 0 84px !important; opacity: .55; cursor: pointer; border-radius: 6px; overflow: hidden; border: 2px solid transparent; background: var(--bg-soft); }
.qf-pd-thumbs .qfcarousel-slide-thumb-active { opacity: 1; border-color: var(--red); }
.qf-pd-thumbs img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.qf-pd-model { font-size: 32px; margin: 8px 0 20px; }
.qf-pd-spec { margin: 0 0 28px; border-top: 1px solid var(--line); }
.qf-pd-spec div { display: grid; grid-template-columns: 120px 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.qf-pd-spec dt { color: var(--muted); }
.qf-pd-spec dd { margin: 0; }
.qf-swatches { display: flex; flex-wrap: wrap; gap: 10px; }
.qf-sw { width: 28px; height: 28px; border-radius: 50%; background: var(--c); box-shadow: 0 0 0 1px rgba(0,0,0,.12); position: relative; overflow: hidden; }
.qf-sw::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 40%; background: var(--c2, transparent); }
.qf-pd-params .qf-rich { max-width: 960px; }
.qf-pgrid-4 { grid-template-columns: repeat(4, 1fr); }

/* 询盘表单 */
.inquiry { background: var(--bg-soft); border-radius: var(--radius); padding: 36px; margin-top: 56px; }
.inquiry .qf-sec-sub { font-size: 22px; margin-bottom: 20px; }
.inquiry .qf-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 20px; }
.inquiry label span { display: block; font-size: 14px; color: var(--ink-2); margin-bottom: 6px; }
.inquiry input, .inquiry textarea { width: 100%; border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 11px 13px; outline: 0; }
.inquiry input:focus, .inquiry textarea:focus { border-color: var(--red); }
.inquiry .qf-full { grid-column: 1 / -1; }
.inquiry .qf-btn { margin-top: 20px; min-width: 160px; }
.inquiry .qf-btn[disabled] { opacity: .6; cursor: wait; }
.qf-form-msg { padding: 10px 14px; border-radius: 8px; margin: 16px 0 0; }
.qf-form-msg.ok { background: #e9f7ee; color: #1d7a3e; }
.qf-form-msg.err { background: #fdecea; color: var(--red-d); }

/* 单页 */
.qf-about-row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; margin-bottom: 64px; }
.qf-about-row.rev .qf-about-media { order: 2; }
.qf-about-media { position: relative; }
.qf-about-media .qf-m1 { border-radius: var(--radius); width: 100%; }
.qf-about-media .qf-m2 { position: absolute; right: -20px; bottom: -28px; width: 42%; border-radius: var(--radius); box-shadow: 0 12px 30px rgba(0,0,0,.15); }
.qf-about-txt { font-size: 16px; }
.qf-about-band { background-size: cover; background-position: center; padding: 80px 0; }
.qf-about-icons { display: flex; justify-content: center; gap: 12%; color: #fff; text-align: center; }
.qf-about-icons img { height: 62px; width: auto; margin: 0 auto 12px; }
.qf-about-icons p { font-size: 20px; margin: 0; }
.qf-cz { padding-bottom: 72px; }
.qf-cz-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.qf-cz-step-img { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 410 / 300; background: #eee; }
.qf-cz-step-img img { width: 100%; height: 100%; object-fit: cover; }
.qf-cz-step-img span { position: absolute; left: 20px; bottom: 16px; color: #fff; font-size: 20px; font-weight: 600; text-shadow: 0 1px 6px rgba(0,0,0,.4); }
.qf-cz-step p { color: var(--ink-2); margin-top: 14px; font-size: 15px; }
.qf-cz-oem { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.qf-cz-oem li { position: relative; min-height: 190px; border-radius: var(--radius); background: var(--red) center / cover; color: #fff; padding: 22px 18px; display: flex; flex-direction: column; gap: 8px; overflow: hidden; }
.qf-cz-oem b { font-size: 18px; }
.qf-cz-oem span { font-size: 14px; opacity: .9; }
.qf-cz-oem i { position: absolute; right: 14px; bottom: 8px; font-style: normal; font-size: 40px; opacity: .35; font-weight: 700; }
.qf-cz-videos { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; }
.qf-cz-videos video { width: 100%; border-radius: var(--radius); background: #000; aspect-ratio: 16 / 9; }
.qf-table-wrap { overflow-x: auto; }
.qf-kv-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.qf-kv-table th, .qf-kv-table td { border: 1px solid var(--line); padding: 14px 16px; text-align: left; }
.qf-kv-table th { background: var(--bg-soft); font-weight: 500; color: var(--ink-2); width: 20%; }
.qf-kv-table[data-collapsible]:not(.open) .qf-more-row { display: none; }
.qf-more-btn { display: block; margin: 12px auto 0; border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 8px 28px; cursor: pointer; }
.qf-join-row { display: grid; grid-template-columns: 2fr 3fr; gap: 48px; align-items: center; margin-bottom: 40px; }
.qf-join-img img { border-radius: var(--radius); width: 100%; }
.qf-join-txt h2 { font-size: 24px; margin-bottom: 16px; }
.qf-join, .qf-contact { padding-bottom: 72px; }
.qf-contact-cards { list-style: none; margin: 0 0 40px; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.qf-contact-cards li { background: var(--bg-soft); border-radius: var(--radius); padding: 28px 20px; display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; overflow-wrap: anywhere; }
.qf-contact-cards img { width: 60px; height: 60px; border-radius: 50%; }
.qf-contact-cards b { font-size: 14px; color: var(--muted); font-weight: 400; }
.qf-contact-map img { width: 100%; border-radius: var(--radius); }
.qf-exh-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.qf-exh-card { display: flex; flex-direction: column; gap: 6px; }
.qf-exh-card .qf-exh-img { height: auto; aspect-ratio: 4 / 3; }
.qf-exh-hero { background: var(--bg-soft); padding: 64px 0 40px; }
.qf-exh-hero h1 { font-size: clamp(26px, 4vw, 44px); font-weight: 400; }
.qf-exh-hero-year { color: var(--red); font-weight: 700; margin: 0 0 8px; }
.qf-exh-body { padding-bottom: 72px; }
.qf-exh-body > .qf-rich { max-width: 960px; margin-top: 24px; }
.qf-gallery-carousel .qf-pane img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); }
.qf-gallery-carousel { padding-bottom: 40px; }
.qf-search-page .qf-big-search, .qf-nf .qf-big-search { max-width: 640px; margin: 0 auto 28px; }
.qf-big-search { display: flex; gap: 10px; }
.qf-big-search input { flex: 1; border: 1px solid var(--line); border-radius: 999px; padding: 12px 20px; outline: 0; }
.qf-big-search input:focus { border-color: var(--red); }
.qf-search-count { text-align: center; color: var(--muted); margin-bottom: 32px; }
.qf-nf { text-align: center; padding: 100px 24px; }
.qf-nf-code { font-size: 96px; font-weight: 200; color: var(--red); margin: 0; line-height: 1; }
.qf-nf h1 { font-size: 22px; font-weight: 400; margin: 16px 0 32px; }

/* ---------- 底部 ---------- */
.qf-ft { background: #1e1e1e; color: #bdbdbd; margin-top: 0; }
.qf-ft-in { display: flex; justify-content: space-between; gap: 48px; padding-top: 56px; padding-bottom: 40px; }
.qf-ft-logo { height: 54px; width: auto; background: #fff; padding: 6px 10px; border-radius: 8px; margin-bottom: 20px; }
.qf-ft h2 { color: #fff; font-size: 18px; margin-bottom: 14px; }
.qf-ft dl { display: grid; grid-template-columns: auto auto; gap: 6px 40px; margin: 0; }
.qf-ft dl .qf-wide { grid-column: 1 / -1; }
.qf-ft dt { display: inline; color: #8c8c8c; }
.qf-ft dt::after { content: "："; }
.qf-ft dd { display: inline; margin: 0; color: #e2e2e2; }
.qf-ft-qr { display: flex; gap: 20px; align-items: flex-start; flex-wrap: wrap; }
.qf-ft-qr figure { margin: 0; text-align: center; font-size: 13px; }
.qf-ft-qr img { width: 112px; height: 112px; background: #fff; padding: 4px; border-radius: 6px; margin-bottom: 6px; }
.qf-ft-store { align-self: flex-end; border: 1px solid #555; border-radius: 999px; padding: 8px 18px; font-size: 14px; color: #fff; }
.qf-ft-bottom { border-top: 1px solid #333; padding-top: 18px; padding-bottom: 24px; display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: 13px; color: #8c8c8c; }
.qf-ft-bottom a:hover { color: #fff; }
.qf-ft-bottom .qf-ga { display: inline-flex; align-items: center; gap: 4px; }
.qf-to-top { position: fixed; right: 20px; bottom: 24px; width: 44px; height: 44px; border-radius: 50%; background: var(--red); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 16px rgba(218,37,28,.35); opacity: 0; pointer-events: none; transition: opacity .3s; z-index: 40; }
.qf-to-top.show { opacity: 1; pointer-events: auto; }
.qf-to-top:hover { color: #fff; background: var(--red-d); }

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
  .qf-hd-search input { width: 140px; }
  .qf-nav a { padding: 8px 10px; }
  .qf-hd-in { gap: 20px; }
}
@media (max-width: 1024px) {
  :root { --hd-h: 64px; }
  .qf-nav, .qf-hd-search, .qf-lang { display: none; }
  .qf-menu-btn { display: block; }
  .qf-logo img { height: 40px; }
  .qf-pgrid, .qf-pgrid-4 { grid-template-columns: repeat(3, 1fr); }
  .qf-cz-oem { grid-template-columns: repeat(3, 1fr); }
  .qf-contact-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .qf-sec { padding: 48px 0; }
  .qf-brand-in, .qf-about-row, .qf-join-row, .qf-pd-top { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .qf-about-row.rev .qf-about-media { order: 0; }
  .qf-about-media .qf-m2 { right: 8px; bottom: -16px; }
  .qf-custom-grid, .qf-cz-steps, .qf-exh-grid { grid-template-columns: 1fr 1fr; }
  .qf-ft-in { flex-direction: column; }
}
@media (max-width: 700px) {
  .qf-wrap { padding-left: 16px; padding-right: 16px; }
  .qf-hero-d { display: none; }
  .qf-hero-m { display: block; }
  .qf-hero-m .qf-pane img { aspect-ratio: 750 / 899; object-fit: cover; }
  .qf-hero-m-fb .qf-pane img { aspect-ratio: 1400 / 382; }
  .qf-sec-title { margin-bottom: 28px; }
  .qf-pgrid, .qf-pgrid-4 { grid-template-columns: repeat(2, 1fr); gap: 20px 14px; }
  .qf-series-ico { width: 76px; height: 76px; }
  .qf-series-prev, .qf-series-next { display: none; }
  .qf-adv, .qf-custom-grid, .qf-cz-steps, .qf-exh-grid, .inquiry .qf-grid { grid-template-columns: 1fr; }
  .qf-cz-oem { grid-template-columns: 1fr 1fr; }
  .qf-process ol { flex-direction: column; gap: 18px; }
  .qf-process li + li::before { content: "↓"; left: 50%; top: -20px; transform: translateX(-50%); font-size: 18px; }
  .inquiry { padding: 24px 18px; }
  .qf-contact-cards { grid-template-columns: 1fr; }
  .qf-about-icons { gap: 8%; }
  .qf-about-icons p { font-size: 16px; }
  .qf-pd-model { font-size: 26px; }
  .qf-pd-spec div { grid-template-columns: 96px 1fr; }
  .qf-kv-table th, .qf-kv-table td { padding: 10px; font-size: 14px; }
  .qf-ft dl { grid-template-columns: 1fr; }
}