/* hj — main.css（骨架由 gen_css 生成 + 本主题首屏/特色版块）*/
:root {
	--c-primary: #f26a2e;
	--c-primary-deep: #c94d14;
	--c-accent: #ffb14a;
	--c-bg: #f4f4f5;
	--c-bg2: #e8e8ea;
	--c-card: #ffffff;
	--c-ink: #18191c;
	--c-text: #565860;
	--c-line: #dcdce0;
	--c-footer: #0f1013;
	--radius: 12px;
	--radius-sm: 8px;
	--shadow: 0 12px 30px rgba(0, 0, 0, 0.09);
	--font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, "Segoe UI", sans-serif;
	--mono: "SF Mono", "Menlo", "Consolas", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.76; color: var(--c-text); background: var(--c-bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--c-primary-deep); }
h1, h2, h3, h4 { color: var(--c-ink); line-height: 1.3; margin: 0 0 .5em; font-weight: 700; }
p { margin: 0 0 1em; }
::selection { background: var(--c-primary); color: #fff; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.screen-reader-text { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link:focus { position: fixed; left: 16px; top: 16px; z-index: 999; width: auto; height: auto; clip: auto; background: var(--c-primary); color: #fff; padding: 10px 18px; border-radius: 8px; }
:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 26px; border-radius: var(--radius-sm); border: 1.5px solid transparent; font-size: 15px; font-weight: 600; cursor: pointer; white-space: nowrap; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease; }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn--primary { background: linear-gradient(120deg, var(--c-primary), var(--c-primary-deep)); color: #fff; }
.btn--primary:hover { color: #fff; }
.btn--line { background: transparent; color: var(--c-primary-deep); border-color: var(--c-primary); }
.btn--line:hover { background: var(--c-primary); color: #fff; }
.btn--sm { padding: 9px 18px; font-size: 14px; }
.btn--lg { padding: 14px 32px; font-size: 16px; }
.btn--block { width: 100%; justify-content: center; }
.hj-icon { flex-shrink: 0; }

.site-header { position: sticky; top: 0; z-index: 100; background: color-mix(in srgb, var(--c-bg) 92%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--c-line); }
.site-header.is-scrolled { box-shadow: var(--shadow); }
.site-header__inner { display: flex; align-items: center; gap: 28px; min-height: 74px; }
.site-brand { margin-right: auto; }
.site-brand__link { display: flex; align-items: center; gap: 12px; }
.site-brand__mark { width: 44px; height: 44px; border-radius: var(--radius-sm); display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--c-primary), var(--c-accent)); }
.site-brand__name { display: block; font-size: 20px; font-weight: 800; color: var(--c-ink); }
.site-brand__slogan { display: block; font-size: 12px; color: var(--c-text); letter-spacing: .04em; }
.custom-logo { max-height: 48px; width: auto; }
.site-nav__list { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; }
.site-nav__list li { position: relative; }
.site-nav__list a { display: block; padding: 9px 14px; color: var(--c-ink); font-weight: 500; font-size: 14.5px; border-radius: var(--radius-sm); }
.site-nav__list a:hover { color: var(--c-primary); background: color-mix(in srgb, var(--c-primary) 8%, transparent); }
.site-nav__list .sub-menu { position: absolute; top: 100%; left: 0; min-width: 190px; list-style: none; margin: 6px 0 0; padding: 8px; background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .2s ease; }
.site-nav__list li:hover > .sub-menu, .site-nav__list li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.site-header__actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; padding: 10px; background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius-sm); cursor: pointer; }
.nav-toggle span { display: block; height: 2px; background: var(--c-ink); transition: transform .25s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.section { padding: 84px 0; }
.section--pad { padding: 60px 0 84px; }
.section--tint { background: var(--c-bg2); }
.section-head { max-width: 660px; margin: 0 auto 48px; text-align: center; }
.section-head__eyebrow { font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: .26em; color: var(--c-accent); margin-bottom: 10px; }
.section-head__title { font-size: clamp(26px, 3.2vw, 38px); margin-bottom: 14px; }
.section-head__desc { margin: 0; }
.section-foot { text-align: center; margin: 44px 0 0; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.product-card { background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: transform .25s ease, box-shadow .25s ease; }
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.product-card__media { position: relative; display: block; aspect-ratio: 16 / 10; background: linear-gradient(150deg, var(--c-bg2), var(--c-bg)); overflow: hidden; }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; }
.product-card__ph { position: absolute; inset: 0; display: grid; place-items: center; color: var(--c-primary); }
.product-card__spec { position: absolute; left: 14px; bottom: 12px; font-size: 12px; font-weight: 600; color: var(--c-primary-deep); background: var(--c-card); border: 1px solid color-mix(in srgb, var(--c-primary) 30%, transparent); padding: 4px 12px; border-radius: 999px; }
.product-card__body { padding: 20px 24px 22px; display: flex; flex-direction: column; flex: 1; }
.product-card__title { font-size: 17px; margin-bottom: 8px; }
.product-card__title a { color: var(--c-ink); }
.product-card__title a:hover { color: var(--c-primary); }
.product-card__desc { font-size: 14px; flex: 1; margin-bottom: 14px; }
.product-card__more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; transition: gap .2s ease; }
.product-card__more:hover { gap: 10px; }

.databand { background: linear-gradient(120deg, var(--c-primary-deep), var(--c-primary)); color: #fff; }
.databand__inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding-top: 50px; padding-bottom: 50px; text-align: center; }
.databand strong { display: block; font-size: clamp(28px, 3.4vw, 42px); font-weight: 800; font-variant-numeric: tabular-nums; color: color-mix(in srgb, var(--c-accent) 60%, #fff); }
.databand span { font-size: 13.5px; color: rgba(255, 255, 255, .78); }

.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.scene-card { background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 26px 26px 22px; transition: transform .25s ease, box-shadow .25s ease; }
.scene-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.scene-card__icon { display: inline-grid; place-items: center; width: 50px; height: 50px; border-radius: var(--radius-sm); color: var(--c-primary); background: color-mix(in srgb, var(--c-primary) 10%, transparent); margin-bottom: 14px; }
.scene-card h3 { font-size: 17px; margin-bottom: 6px; }
.scene-card p { font-size: 14px; margin: 0; }

.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-card { background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); border-top: 3px solid var(--c-primary); padding: 26px 28px; transition: transform .25s ease, box-shadow .25s ease; }
.case-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.case-card__badge { display: inline-block; font-family: var(--mono); font-size: 11.5px; font-weight: 700; letter-spacing: .14em; color: var(--c-primary-deep); background: color-mix(in srgb, var(--c-primary) 8%, transparent); border: 1px solid color-mix(in srgb, var(--c-primary) 30%, transparent); padding: 3px 12px; border-radius: 999px; margin-bottom: 14px; }
.case-card h3 { font-size: 17.5px; margin-bottom: 6px; }
.case-card__meta { font-size: 13px; color: var(--c-primary); font-weight: 600; margin-bottom: 10px; }
.case-card__desc { font-size: 14px; margin: 0; }

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card { background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 26px 26px 22px; transition: transform .25s ease, box-shadow .25s ease; }
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.news-card__date { font-family: var(--mono); font-size: 12.5px; color: var(--c-accent); font-weight: 600; margin-bottom: 10px; }
.news-card h3 { font-size: 16.5px; margin-bottom: 10px; }
.news-card h3 a { color: var(--c-ink); }
.news-card h3 a:hover { color: var(--c-primary); }
.news-card__desc { font-size: 14px; }
.news-card__more { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 600; }

.contact { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.contact__copy .section-head__eyebrow, .contact__copy .section-head__title { text-align: left; }
.contact__list { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 15px; }
.contact__list li { display: flex; align-items: center; gap: 12px; font-size: 15px; color: var(--c-ink); }
.contact__list .hj-icon { color: var(--c-primary); }
.contact__form-wrap { background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.contact-form h3 { font-size: 20px; margin-bottom: 20px; }
.contact-form p { margin-bottom: 16px; }
.contact-form label { display: block; font-size: 14px; font-weight: 600; color: var(--c-ink); margin-bottom: 6px; }
.contact-form input[type="text"], .contact-form input[type="tel"], .contact-form textarea { width: 100%; padding: 12px 15px; border: 1px solid var(--c-line); border-radius: var(--radius-sm); font-family: inherit; font-size: 15px; color: var(--c-ink); background: var(--c-bg); transition: border-color .2s ease, background .2s ease; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--c-primary); background: #fff; }
.contact-form__tip { font-size: 12.5px; color: var(--c-text); opacity: .8; text-align: center; margin: 12px 0 0; }
.hp-field { position: absolute !important; left: -9999px; }
.form-notice { background: color-mix(in srgb, var(--c-accent) 12%, transparent); border: 1px solid color-mix(in srgb, var(--c-accent) 40%, transparent); color: var(--c-primary-deep); border-radius: var(--radius-sm); padding: 13px 17px; margin-bottom: 18px; font-size: 14.5px; }

.page-hero { padding: 58px 0 50px; background: linear-gradient(180deg, var(--c-bg2), var(--c-bg)); border-bottom: 1px solid var(--c-line); }
.page-hero__title { font-size: clamp(28px, 3.6vw, 42px); font-weight: 800; margin: 0; }
.page-hero__sub { margin: 10px 0 0; }
.page-hero__meta { font-family: var(--mono); font-size: 13px; color: var(--c-primary); font-weight: 600; margin: 0 0 10px; }
.page-hero__meta a { color: var(--c-primary); }

.post-list { display: grid; gap: 20px; max-width: 860px; margin: 0 auto; }
.post-card { display: grid; grid-template-columns: 280px 1fr; background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; transition: transform .25s ease, box-shadow .25s ease; }
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.post-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-card:not(:has(.post-card__thumb)) { grid-template-columns: 1fr; }
.post-card__body { padding: 24px 28px; }
.post-card__meta { font-family: var(--mono); font-size: 12.5px; color: var(--c-accent); font-weight: 600; margin-bottom: 8px; }
.post-card__meta a { color: inherit; }
.post-card__title { font-size: 19px; margin-bottom: 8px; }
.post-card__title a { color: var(--c-ink); }
.post-card__title a:hover { color: var(--c-primary); }
.post-card__desc { font-size: 14.5px; margin-bottom: 12px; }
.post-card__more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; }
.no-results { text-align: center; padding: 60px 0; }
.navigation.pagination { margin: 46px 0 0; text-align: center; }
.nav-links { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
.nav-links .page-numbers { display: inline-block; min-width: 42px; padding: 9px 14px; border: 1px solid var(--c-line); border-radius: var(--radius-sm); color: var(--c-ink); font-weight: 600; font-size: 14px; background: var(--c-card); }
.nav-links .page-numbers.current, .nav-links .page-numbers:hover { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

.entry-wrap { max-width: 860px; padding-top: 48px; padding-bottom: 84px; }
.entry { background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 40px 44px; }
.entry__thumb { margin: 0 0 28px; border-radius: var(--radius-sm); overflow: hidden; }
.entry__content { font-size: 16px; }
.entry__content h2 { font-size: 25px; margin-top: 1.6em; }
.entry__content h3 { font-size: 20px; margin-top: 1.4em; }
.entry__content img { border-radius: var(--radius-sm); }
.entry__content blockquote { margin: 1.5em 0; padding: 16px 24px; border-left: 4px solid var(--c-primary); background: var(--c-bg); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.entry__content table { width: 100%; border-collapse: collapse; margin: 1.5em 0; }
.entry__content th, .entry__content td { border: 1px solid var(--c-line); padding: 10px 14px; text-align: left; }
.entry__content th { background: var(--c-bg); }
.entry__tags { margin-top: 26px; font-size: 14px; }
.page-links { margin: 24px 0; }
.post-nav { display: flex; justify-content: space-between; gap: 20px; margin: 40px 0; font-size: 14.5px; }
.post-nav__next { text-align: right; }

.comments-area { margin-top: 28px; background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 34px 40px; }
.comments-title, .comment-reply-title { font-size: 21px; }
.comment-list { list-style: none; margin: 0 0 30px; padding: 0; }
.comment-list .comment { border-bottom: 1px solid var(--c-line); padding: 20px 0; }
.comment-list .children { list-style: none; padding-left: 40px; }
.comment-author { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--c-ink); }
.comment-author .avatar { border-radius: 50%; }
.comment-metadata { font-size: 12.5px; }
.comment-content { font-size: 15px; }
.reply { font-size: 13.5px; }
.comment-form input[type="text"], .comment-form input[type="email"], .comment-form input[type="url"], .comment-form textarea { width: 100%; padding: 11px 14px; border: 1px solid var(--c-line); border-radius: var(--radius-sm); font-family: inherit; font-size: 15px; background: var(--c-bg); }
.comment-form input:focus, .comment-form textarea:focus { outline: none; border-color: var(--c-primary); background: #fff; }
.form-submit .submit { background: linear-gradient(120deg, var(--c-primary), var(--c-primary-deep)); color: #fff; border: 0; border-radius: var(--radius-sm); padding: 12px 30px; font-size: 15px; font-weight: 600; cursor: pointer; }

.search-form { display: flex; gap: 10px; max-width: 480px; }
.search-form__input { flex: 1; padding: 12px 16px; border: 1px solid var(--c-line); border-radius: var(--radius-sm); font-family: inherit; font-size: 15px; background: #fff; }
.search-form__input:focus { outline: none; border-color: var(--c-primary); }
.error-404 { text-align: center; padding: 56px 32px; background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); }
.error-404__code { font-family: var(--mono); font-size: clamp(90px, 15vw, 150px); font-weight: 800; line-height: 1; color: var(--c-primary); margin: 0 0 10px; }
.error-404 .search-form { margin: 24px auto 28px; justify-content: center; }

.product-single { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding-top: 48px; padding-bottom: 40px; align-items: start; }
.product-single__media { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3; border: 1px solid var(--c-line); background: linear-gradient(150deg, var(--c-bg2), var(--c-bg)); box-shadow: var(--shadow); }
.product-single__media img { width: 100%; height: 100%; object-fit: cover; }
.product-single__ph { position: absolute; inset: 0; display: grid; place-items: center; color: var(--c-primary); }
.product-single__body { background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 32px 36px; }
.product-single__summary { background: color-mix(in srgb, var(--c-primary) 7%, transparent); border: 1px solid color-mix(in srgb, var(--c-primary) 25%, transparent); border-radius: var(--radius-sm); padding: 15px 20px; margin-bottom: 22px; font-size: 15px; color: var(--c-ink); }
.product-single__summary p { margin: 0; }
.product-single__cta { margin-top: 28px; padding-top: 24px; border-top: 1px dashed var(--c-line); }
.product-single__cta h3 { font-size: 17px; margin-bottom: 6px; }
.product-single__cta p { font-size: 14px; margin-bottom: 16px; }
.product-single__cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.related-title { font-size: 23px; margin-bottom: 26px; }
.archive-cta { margin-top: 60px; text-align: center; background: var(--c-card); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 46px 32px; box-shadow: var(--shadow); }
.archive-cta h2 { font-size: 24px; }
.archive-cta p { margin-bottom: 20px; }

.site-footer { background: var(--c-footer); color: rgba(255, 255, 255, .64); margin-top: 24px; }
.site-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; padding-top: 60px; padding-bottom: 46px; }
.site-footer__logo { display: flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.site-footer__logo .hj-icon { color: var(--c-accent); }
.site-footer__about { font-size: 14px; line-height: 1.85; }
.site-footer__phone { display: flex; align-items: center; gap: 10px; font-size: 21px; font-weight: 800; color: var(--c-accent); margin-top: 18px; }
.site-footer__title { color: #fff; font-size: 15.5px; margin-bottom: 18px; }
.site-footer__menu { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer__menu a { color: rgba(255, 255, 255, .64); font-size: 14px; }
.site-footer__menu a:hover { color: var(--c-accent); }
.site-footer__contact { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; font-size: 14px; }
.site-footer__contact li { display: flex; gap: 9px; align-items: flex-start; }
.site-footer__contact .hj-icon { color: var(--c-accent); margin-top: 4px; }
.site-footer__bottom { border-top: 1px solid rgba(255, 255, 255, .1); }
.site-footer__bottom-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 20px; padding-bottom: 20px; font-size: 13px; }
.site-footer__bottom p { margin: 0; }

.back-to-top { position: fixed; right: 26px; bottom: 26px; z-index: 90; width: 46px; height: 46px; border: 0; border-radius: var(--radius-sm); display: grid; place-items: center; cursor: pointer; background: linear-gradient(135deg, var(--c-primary), var(--c-primary-deep)); color: #fff; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(12px); transition: all .25s ease; }
.back-to-top .hj-icon { transform: rotate(-90deg); }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } }

@media (max-width: 1024px) {
	.hero__inner { grid-template-columns: 1fr; }
	.product-grid, .scene-grid, .case-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
	.databand__inner { grid-template-columns: repeat(2, 1fr); }
	.contact { grid-template-columns: 1fr; gap: 40px; }
	.site-footer__grid { grid-template-columns: 1fr 1fr; }
	.product-single { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
	.nav-toggle { display: flex; }
	.site-header__actions .btn { display: none; }
	.site-nav { position: fixed; top: 0; right: 0; bottom: 0; z-index: 200; width: min(320px, 84vw); background: var(--c-bg); box-shadow: -20px 0 60px rgba(0, 0, 0, .2); padding: 84px 28px 28px; transform: translateX(100%); transition: transform .3s ease; overflow-y: auto; }
	.site-nav.is-open { transform: translateX(0); }
	.site-nav__list { flex-direction: column; gap: 4px; }
	.site-nav__list a { padding: 13px 14px; font-size: 16px; }
	.site-nav__list .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 0 18px; margin: 0; background: transparent; }
	.nav-toggle { position: relative; z-index: 210; }
	body.nav-open { overflow: hidden; }
}
@media (max-width: 620px) {
	.section { padding: 60px 0; }
	.product-grid, .scene-grid, .case-grid, .news-grid { grid-template-columns: 1fr; }
	.databand__inner { grid-template-columns: 1fr 1fr; }
	.post-card { grid-template-columns: 1fr; }
	.post-card__thumb { aspect-ratio: 16 / 9; overflow: hidden; }
	.site-footer__grid { grid-template-columns: 1fr; gap: 32px; }
	.entry { padding: 26px 22px; }
	.comments-area { padding: 26px 22px; }
	.contact__form-wrap { padding: 26px 22px; }
}


/* ============ 本主题首屏与特色版块 ============ */
/* ============ 焊净环保 · 车间除烟风专属样式 ============ */

/* Hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(120% 120% at 76% 30%,#241a12 0%,#1a1b1f 46%,#131418 100%);color:#efeae2;}
.hero__grid{position:absolute;inset:0;pointer-events:none;opacity:.5;background-image:linear-gradient(rgba(242,106,46,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(242,106,46,.08) 1px,transparent 1px);background-size:40px 40px;-webkit-mask-image:radial-gradient(120% 90% at 75% 32%,#000 30%,transparent 78%);mask-image:radial-gradient(120% 90% at 75% 32%,#000 30%,transparent 78%);}
.hero__inner{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:50px;align-items:center;padding:84px 0 92px;}
.hero__eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.05em;color:#f6c6a4;background:rgba(242,106,46,.14);border:1px solid rgba(242,106,46,.42);padding:6px 14px;border-radius:5px;}
.hero__dot{width:8px;height:8px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 0 4px rgba(242,106,46,.22);animation:hj-flick 1.2s steps(2) infinite;}
@keyframes hj-flick{0%,70%{opacity:1;}71%,100%{opacity:.4;}}
.hero__title{font-size:clamp(2.1rem,4.5vw,3.4rem);line-height:1.16;margin:20px 0 0;font-weight:800;letter-spacing:.01em;}
.hero__title em{font-style:normal;color:var(--c-primary);}
.hero__lead{margin:20px 0 0;max-width:39em;color:#c7bfb4;font-size:1.02rem;line-height:1.85;}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;}
.hero .btn--line{color:#efeae2;border-color:rgba(239,234,226,.5);}
.hero .btn--line:hover{background:rgba(255,255,255,.08);border-color:#fff;}
.hero__facts{list-style:none;display:flex;gap:30px;margin:40px 0 0;padding:26px 0 0;border-top:1px solid rgba(255,255,255,.14);}
.hero__facts strong{display:block;font-size:1.8rem;color:#fff;font-weight:800;}
.hero__facts i{font-style:normal;font-size:.95rem;color:var(--c-primary);}
.hero__facts span{font-size:.82rem;color:#a99f92;}

/* 焊接工位 */
.hero__panel{display:flex;align-items:center;justify-content:center;}
.weldrig{position:relative;width:340px;height:220px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.13);border-radius:14px;}
.weldrig__hood{position:absolute;left:26px;top:26px;width:48px;height:48px;border-radius:12px;background:#2a2c31;border:1px solid rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;color:#f6c6a4;}
.arcflash{position:absolute;left:150px;top:130px;width:22px;height:22px;border-radius:50%;background:radial-gradient(circle,#fff,#ffd38a 40%,#f26a2e 75%);box-shadow:0 0 24px 6px rgba(255,180,90,.7);animation:hj-arc .5s steps(2) infinite;}
@keyframes hj-arc{0%,60%{opacity:1;transform:scale(1);}61%,100%{opacity:.55;transform:scale(.8);}}
.wspark{position:absolute;left:160px;top:140px;width:4px;height:4px;border-radius:50%;background:#ffb14a;box-shadow:0 0 4px #ffb14a;animation:hj-spark 1.1s ease-out infinite;}
.wspark--1{--sx:60px;--sy:-40px;animation-delay:0s;}
.wspark--2{--sx:80px;--sy:-10px;animation-delay:.2s;}
.wspark--3{--sx:70px;--sy:24px;animation-delay:.45s;}
.wspark--4{--sx:40px;--sy:44px;animation-delay:.65s;}
.wspark--5{--sx:90px;--sy:8px;animation-delay:.85s;}
@keyframes hj-spark{0%{transform:translate(0,0) scale(1);opacity:1;}100%{transform:translate(var(--sx),var(--sy)) scale(.3);opacity:0;}}
.fumeup{position:absolute;left:150px;top:120px;width:14px;height:14px;border-radius:50%;background:rgba(160,160,170,.3);animation:hj-fume 3s ease-in infinite;}
.fumeup--2{left:168px;animation-delay:1.3s;}
@keyframes hj-fume{0%{transform:translateY(0) scale(.6);opacity:0;}20%{opacity:.5;}100%{transform:translateY(-96px) scale(1.6);opacity:0;}}
.weldrig__cart{position:absolute;right:20px;bottom:20px;display:flex;align-items:center;gap:6px;color:#c7bfb4;font-size:11.5px;background:rgba(0,0,0,.3);border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:6px 10px;}
.weldrig__cart i{font-style:normal;}
.weldrig__tag{position:absolute;top:16px;right:18px;font-size:11.5px;color:#f6c6a4;}

/* 数据条 */
.databand{background:#0f1013;color:#efeae2;border-top:3px solid var(--c-primary);}
.databand__inner{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:32px 0;}
.databand__item{text-align:center;position:relative;}
.databand__item::after{content:"";position:absolute;right:-11px;top:14%;height:72%;width:1px;background:rgba(255,255,255,.12);}
.databand__item:last-child::after{display:none;}
.databand__num{display:block;font-size:2.05rem;font-weight:800;color:#fff;}
.databand__label{font-size:.85rem;color:#a99f92;}

/* section 头 */
.section__head{max-width:730px;margin:0 auto 42px;text-align:center;}
.section__eyebrow{font-size:12.5px;letter-spacing:.18em;color:var(--c-primary);font-weight:700;}
.section__title{font-size:clamp(1.6rem,3vw,2.3rem);margin:10px 0 0;color:var(--c-ink);font-weight:800;}
.section__intro{margin:16px auto 0;color:var(--c-text);line-height:1.85;}
.section__head--light .section__eyebrow{color:var(--c-primary);}
.section__head--light .section__title,.section__head--light .section__intro{color:#efeae2;}

/* 净化流程四步 */
.section--flow{background:var(--c-bg);}
.pstep{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.pstep__item{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:28px 22px 24px;overflow:hidden;transition:transform .28s,box-shadow .28s;}
.pstep__item::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--c-primary),#ffb14a);}
.pstep__item:hover{transform:translateY(-6px);box-shadow:0 22px 46px -28px rgba(242,106,46,.45);}
.pstep__ico{display:inline-flex;width:56px;height:56px;align-items:center;justify-content:center;border-radius:50%;background:rgba(242,106,46,.1);color:var(--c-primary);margin-bottom:14px;}
.pstep__no{position:absolute;top:16px;right:18px;font-size:1.2rem;font-weight:800;color:var(--c-line);}
.pstep__item h3{font-size:1.08rem;margin:0 0 8px;color:var(--c-ink);font-weight:700;}
.pstep__item p{margin:0;font-size:.9rem;line-height:1.7;color:var(--c-text);}

/* 工位方案 */
.section--station{background:var(--c-bg2);}
.station-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.station-card{background:#fff;border:1px solid var(--c-line);border-radius:14px;padding:28px 24px;text-align:center;transition:transform .28s,box-shadow .28s;}
.station-card--hl{border-color:var(--c-primary);box-shadow:0 16px 36px -22px rgba(242,106,46,.5);}
.station-card:hover{transform:translateY(-6px);box-shadow:0 22px 46px -28px rgba(242,106,46,.4);}
.station-card__ico{display:inline-flex;width:56px;height:56px;align-items:center;justify-content:center;border-radius:14px;background:rgba(242,106,46,.1);color:var(--c-primary);margin-bottom:14px;}
.station-card h3{font-size:1.12rem;margin:0 0 8px;color:var(--c-ink);font-weight:700;}
.station-card p{margin:0;font-size:.92rem;line-height:1.72;color:var(--c-text);}

/* 产品 */
.section--products{background:var(--c-bg);}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.product-card{background:#fff;border:1px solid var(--c-line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:transform .28s,box-shadow .28s,border-color .28s;}
.product-card:hover{transform:translateY(-6px);box-shadow:0 22px 44px -28px rgba(242,106,46,.4);border-color:var(--c-primary);}
.product-card__media{display:block;aspect-ratio:16/10;background:linear-gradient(140deg,#ecebe9,#e0dedb);display:flex;align-items:center;justify-content:center;overflow:hidden;}
.product-card__media img{width:100%;height:100%;object-fit:cover;}
.product-card__ph{color:var(--c-primary);opacity:.6;}
.product-card__body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1;}
.product-card__tag{align-self:flex-start;font-size:.74rem;letter-spacing:.03em;color:var(--c-primary);background:rgba(242,106,46,.1);padding:3px 10px;border-radius:5px;}
.product-card__title{font-size:1.12rem;margin:0;font-weight:700;}
.product-card__title a{color:var(--c-ink);}
.product-card__title a:hover{color:var(--c-primary);}
.product-card__desc{color:var(--c-text);font-size:.92rem;line-height:1.7;margin:0;flex:1;}
.product-card__more{display:inline-flex;align-items:center;gap:5px;color:var(--c-primary);font-weight:600;font-size:.9rem;margin-top:2px;}
.product-card__more:hover{gap:9px;}

/* 应用工序（深色） */
.section--apply{background:linear-gradient(160deg,#241a12,#131418);}
.apply-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.apply-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);border-radius:12px;padding:26px 22px;color:#d3ccc2;transition:transform .28s,background .28s;}
.apply-card:hover{transform:translateY(-6px);background:rgba(255,255,255,.09);}
.apply-card__ico{display:inline-flex;width:52px;height:52px;align-items:center;justify-content:center;border-radius:12px;background:rgba(242,106,46,.16);color:var(--c-primary);margin-bottom:14px;}
.apply-card h3{font-size:1.06rem;margin:0 0 8px;color:#fff;font-weight:700;}
.apply-card p{margin:0;font-size:.88rem;line-height:1.68;color:#a99f92;}

/* 案例 */
.section--cases{background:var(--c-bg2);}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-card{background:#fff;border:1px solid var(--c-line);border-left:4px solid var(--c-primary);border-radius:0 12px 12px 0;padding:26px 24px;transition:transform .28s,box-shadow .28s;}
.case-card:hover{transform:translateY(-5px);box-shadow:0 22px 44px -28px rgba(242,106,46,.4);}
.case-card__tag{display:inline-block;font-size:.76rem;color:var(--c-primary);background:rgba(242,106,46,.1);padding:4px 11px;border-radius:5px;margin-bottom:12px;}
.case-card__title{font-size:1.12rem;margin:0 0 9px;color:var(--c-ink);font-weight:700;}
.case-card p{margin:0;font-size:.92rem;line-height:1.75;color:var(--c-text);}

/* 询盘 */
.section--contact{background:radial-gradient(120% 120% at 20% 12%,#241a12,#131418);color:#efeae2;}
.contact{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.section--contact .section__eyebrow{color:var(--c-primary);}
.section--contact .section__title{color:#fff;text-align:left;}
.contact__lead{margin:16px 0 26px;color:#c7bfb4;line-height:1.8;}
.contact__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px;}
.contact__list li{display:flex;align-items:center;gap:13px;}
.contact__list .hj-icon{color:var(--c-primary);flex:none;}
.contact__list span{display:block;font-size:.78rem;color:#a99f92;}
.contact__list strong{font-size:1.02rem;color:#fff;font-weight:600;}
.contact__form-wrap{background:#fff;border-radius:14px;padding:30px 28px;box-shadow:0 30px 60px -30px rgba(0,0,0,.5);}
.contact-form__hp{position:absolute;left:-9999px;}
.contact-form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.contact-form__field{display:block;margin-bottom:16px;}
.contact-form__field span{display:block;font-size:.86rem;color:var(--c-ink);margin-bottom:7px;font-weight:600;}
.contact-form__field i{color:var(--c-primary);font-style:normal;}
.contact-form__field input,.contact-form__field textarea{width:100%;border:1px solid var(--c-line);border-radius:8px;padding:12px 14px;font-size:.95rem;font-family:inherit;background:var(--c-bg);color:var(--c-ink);transition:border-color .2s,box-shadow .2s;}
.contact-form__field input:focus,.contact-form__field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(242,106,46,.15);background:#fff;}
.contact-form__tip{font-size:.78rem;color:var(--c-text);margin:12px 0 0;text-align:center;}
.form-note{display:flex;align-items:center;gap:8px;padding:12px 16px;border-radius:8px;margin-bottom:18px;font-size:.92rem;}
.form-note--ok{background:rgba(58,160,120,.16);color:#1f7a52;}
.form-note .hj-icon{flex:none;}

/* 响应式 */
@media (max-width:1024px){
	.hero__inner{grid-template-columns:1fr;gap:36px;}
	.pstep,.apply-grid{grid-template-columns:repeat(2,1fr);}
	.product-grid,.case-grid,.station-grid{grid-template-columns:repeat(2,1fr);}
	.databand__inner{grid-template-columns:repeat(2,1fr);gap:26px;}
	.databand__item:nth-child(2)::after{display:none;}
}
@media (max-width:640px){
	.hero__inner{padding:60px 0 68px;}
	.hero__facts{gap:20px;flex-wrap:wrap;}
	.pstep,.product-grid,.case-grid,.station-grid,.apply-grid{grid-template-columns:1fr;}
	.databand__inner{grid-template-columns:1fr 1fr;}
	.contact{grid-template-columns:1fr;gap:30px;}
	.contact-form__row{grid-template-columns:1fr;}
	.section--contact .section__title{text-align:left;}
	.weldrig{width:100%;max-width:340px;}
}

/* 优化 · 全局尊重系统"减少动态效果"（覆盖装饰性 keyframes 动画） */
@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important;}}

/* ==========================================================================
   美化优化 v1.1 · 2026-07 — 焊净暗蓝焊花风精修
   ========================================================================== */
html { scroll-padding-top: 88px; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
.btn:active { transform: translateY(0) scale(.98); transition-duration: .09s; }
.btn--primary { background-size: 170% 100%; transition: transform .2s ease, box-shadow .2s ease, background-position .45s ease, color .2s ease; }
.btn--primary:hover { background-position: 80% 0; }
.site-nav__list > li.current-menu-item > a { color: var(--c-primary); }
.product-card__media { overflow: hidden; }
.product-card__media img, .product-card__ph { transition: transform .45s ease; }
.product-card:hover .product-card__media img,
.product-card:hover .product-card__ph { transform: scale(1.05); }
.contact-form input:focus, .contact-form textarea:focus { box-shadow: 0 0 0 4px color-mix(in srgb, var(--c-primary) 16%, transparent); }
.site-footer { position: relative; }
.site-footer__menu a { transition: color .2s ease, padding-left .2s ease; }
.site-footer__menu a:hover { padding-left: 6px; }
.hero__facts strong { transition: color .25s ease; }
.hero__facts li:hover strong { color: var(--c-accent); }
.databand__num { transition: color .25s ease; }
.databand__item:hover .databand__num { color: var(--c-accent); }
/* 车间网格:缓移 */
@keyframes hj-griddrift { from { background-position: 0 0, 0 0; } to { background-position: 40px 40px, 40px 40px; } }
.hero__grid { animation: hj-griddrift 22s linear infinite; }
/* 焊台:悬停吸捕增强(罩口点亮,烟雾更淡) */
.weldrig { transition: border-color .3s ease; }
.weldrig:hover { border-color: rgba(242, 106, 46, .45); }
.weldrig__hood { transition: border-color .35s ease, box-shadow .35s ease, color .35s ease; }
.weldrig:hover .weldrig__hood { border-color: rgba(242, 106, 46, .65); box-shadow: 0 0 18px rgba(242, 106, 46, .3); color: #ffd9bd; }
.fumeup { transition: opacity .4s ease; }
.weldrig:hover .fumeup { opacity: .35; }
/* 页脚:焊橙发丝线 */
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2.5px; opacity: .9;
	background: linear-gradient(90deg, var(--c-primary) 0 64%, var(--c-accent) 64% 100%); }
@media (prefers-reduced-motion: reduce) { .hero__grid { animation: none; } }