:root { --ink: #1a2422; --ink-soft: #4a5552; --muted: #7c8681; --paper: #f7f6f2; --surface: #fff; --line: #e4e3dc; --forest: #223530; --forest-deep: #16211e; --brass: #b7824b; --brass-deep: #96682f; --brass-soft: #d8b382; --brass-tint: #f4ebdc; --font-serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif; --font-sans: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; --radius-s: 2px; --radius-m: 4px; --shadow-card: 0 10px 28px rgba(34, 53, 48, .08); --shadow-card-hover: 0 18px 34px rgba(34, 53, 48, .14); --ease: cubic-bezier(.22, .61, .36, 1); --dur: .28s; --max: 1240px; --section-pt: 110px; --section-pb: 110px; }
body { background: var(--paper); color: var(--ink); font-family: var(--font-sans); }
h1, h2, h3, .category-banner h1, .article-simple-content h1, .product-intro__info h1 { font-family: var(--font-serif); font-weight: 600; letter-spacing: .02em; }
button, a, .news-item { transition: all var(--dur) var(--ease); }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }
.btn { padding: 13px 26px; border-radius: var(--radius-s); letter-spacing: .12em; }
.btn--brass { background: var(--brass); color: #fff; border: 1px solid var(--brass); }
.btn--brass:hover { background: var(--brass-deep); border-color: var(--brass-deep); }
.btn--outline { border: 1px solid currentColor; color: var(--ink); }
.btn--outline:hover { background: var(--brass-tint); color: var(--brass-deep); border-color: var(--brass); }
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .3s var(--ease), transform .3s var(--ease); }
.reveal.is-revealed { opacity: 1; transform: none; }
.hero__slide { background-color: var(--forest-deep); }
.hero__fallback { background: var(--forest-deep); }
.hero__progress { position: absolute; z-index: 2; left: 50%; bottom: 32px; width: min(410px, calc(100% - 48px)); height: 2px; overflow: hidden; background: rgba(255, 255, 255, .42); transform: translateX(-50%); pointer-events: none; }
.hero__progress span { display: block; width: 100%; height: 100%; background: var(--brass-soft); transform: scaleX(0); transform-origin: left center; }
.hero__progress.is-running span { animation: hero-progress 6.5s linear forwards; }
@keyframes hero-progress {
  to { transform: scaleX(1); }
}
.trust-stats { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--forest); color: #f2f1ec; }
.trust-stats--4 { grid-template-columns: repeat(4, 1fr); }
.trust-stats--6 { grid-template-columns: repeat(6, 1fr); }
.trust-stat { padding: 24px 20px; text-align: center; border-right: 1px solid #ffffff20; }
.trust-stat:last-child { border-right: 0; }
.trust-stat strong { display: block; color: var(--brass-soft); font: 600 clamp(28px, 4vw, 48px) var(--font-serif); line-height: 1; }
.trust-stat span { display: block; margin-top: 8px; color: #aeb8b2; font-size: 12px; }
.trust-stat small { display: block; color: var(--brass); font-size: 10px; letter-spacing: .18em; }
.trust-stat a { display: block; height: 100%; }
.trust-stat a:hover { transform: translateY(-2px); }
.section--about .about__content { text-align: left; }
.section--about .about__line { margin-left: 0; margin-right: 0; }
.about__honor { margin-top: 30px; color: var(--brass-soft); font-size: 12px; letter-spacing: .06em; }
.news-feature { display: grid; grid-template-columns: 1.1fr .9fr; margin-bottom: 20px; background: var(--surface); border: 1px solid var(--line); }
.news-feature img { width: 100%; height: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.news-feature__body { padding: 34px; align-self: center; }
.news-feature__body h3 { margin: 10px 0; font-size: clamp(24px, 3vw, 36px); }
.news-feature__body p { color: var(--muted); }
.cta-banner { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 70px max(30px, calc((100vw - var(--max)) / 2)); color: #fff; background: var(--forest-deep); }
.cta-banner h2 { margin: 0 0 8px; font-size: clamp(28px, 4vw, 52px); }
.cta-banner p { margin: 0; color: #aeb8b2; }
.cta-banner__actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.cta-banner__phone { color: var(--brass-soft); font: 600 20px var(--font-serif); }
.category-banner__inner { text-align: left; max-width: var(--max); }
.category-breadcrumb { display: flex; gap: 8px; margin: 0 0 18px; color: #d8b382; font-size: 12px; }
.category-breadcrumb a { color: #f2f1ec; }
.selected-filters { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; max-width: 1160px; margin: 0 auto; padding: 12px 25px; color: var(--muted); font-size: 12px; background: var(--brass-tint); }
.selected-filters b { padding: 4px 8px; color: var(--brass-deep); font-weight: 500; background: #fff; border: 1px solid #e4d2b9; }
.selected-filters a { margin-left: auto; color: var(--brass-deep); text-decoration: underline; }
.result-summary { margin: 0 0 20px; color: var(--muted); font-size: 13px; }
.project-card__fallback { display: grid; place-items: center; height: 100%; color: var(--brass-soft); background: var(--forest); font: 600 20px/1.4 var(--font-serif); letter-spacing: .16em; text-align: center; }
.category-card--fallback { display: grid; place-items: end start; background: var(--forest); }
.category-card--fallback span { position: static; padding: 24px; color: #fff; font-family: var(--font-serif); }
.category-card span small { display: block; max-height: 0; overflow: hidden; color: var(--brass-soft); font: 12px var(--font-sans); transition: max-height .28s; }
.category-card:hover span small { max-height: 24px; }
.material-page, .category-page { background: var(--paper) !important; }
.category-banner, .material-page .material-page__banner { background-color: var(--forest) !important; }
.material-page .category-banner__inner { text-align: left !important; }
.process-step:not(:last-child)::after { content: ""; }
.material-category-nav, .category-tabs { border-bottom-color: var(--line) !important; }
.material-category-nav a:hover, .material-category-nav a.is-active, .material-article-tab:hover, .material-article-tab.is-active { background: var(--brass) !important; border-color: var(--brass) !important; color: #fff !important; }
.category-tabs a:hover, .category-tabs a.is-active { background: transparent !important; color: var(--brass-deep) !important; border-bottom-color: var(--brass) !important; }
.category-banner { position: relative; overflow: hidden; }
.category-banner::after { content: ""; position: absolute; right: 8%; bottom: -30px; width: 260px; height: 170px; opacity: .12; background: repeating-linear-gradient(155deg, transparent 0 18px, var(--brass-soft) 19px 20px); transform: skewX(-25deg); }
.category-tabs__inner, .material-category-nav__inner { justify-content: flex-start; }
.category-tabs a, .material-category-nav a { border-radius: 0; background: transparent; border-bottom: 2px solid transparent; }
.category-tabs a:hover, .category-tabs a.is-active, .material-category-nav a:hover, .material-category-nav a.is-active { color: var(--brass-deep); background: transparent; border-bottom-color: var(--brass); }
.product-filters { position: sticky; top: 84px; z-index: 7; }
.product-full-content .markdown h2 { border-left: 3px solid var(--brass); padding-left: 12px; font-family: var(--font-serif); }
.detail-article-cover { aspect-ratio: 21 / 9; border-radius: var(--radius-m); }
.article-cta { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 50px; padding: 24px; border: 1px solid var(--line); background: var(--paper); }
.article-cta span { font-family: var(--font-serif); font-size: 20px; }
.product-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 25px; }
.product-price { color: var(--brass-deep); font: 600 20px var(--font-serif); }
.empty-state, .category-empty { border: 0; background: transparent; padding: 60px 20px; }
.error-page { min-height: 100vh; color: #f2f1ec; background: var(--forest-deep); }
.error-page span { display: block; color: var(--brass-soft); font: 600 clamp(100px, 18vw, 220px) var(--font-serif); }
.error-page h1 { font-family: var(--font-serif); }
.error-page p { color: #aeb8b2; margin-bottom: 30px; }
.error-page .btn { margin: 4px; }
.site-footer { background: var(--forest-deep); color: #f2f1ec; }
.footer__grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 42px; }
.footer-company__intro, .footer-column p { color: #aeb8b2; font-size: 13px; }
.footer-company__details p { margin: 5px 0; }
.footer-company__details a, .footer-phone { color: var(--brass-soft); }
.footer-column { display: flex; flex-direction: column; gap: 10px; }
.footer-column h3 { margin: 0 0 10px; color: #f2f1ec; font-size: 16px; }
.footer-column > a:not(.footer-phone) { color: #aeb8b2; font-size: 13px; }
.footer-column > a:not(.footer-phone):hover { color: var(--brass-soft); }
.footer-phone { font: 600 24px var(--font-serif); }
.footer-tools { display: flex; flex-wrap: wrap; gap: 12px; }
.footer-tool { width: 74px; color: #aeb8b2; text-align: center; }
.footer-tool img { width: 64px; height: 64px; object-fit: contain; margin: auto; }
.footer-tool small { display: block; margin-top: 4px; font-size: 11px; }
.site-footer .footer__bottom { border-top-color: #ffffff1f; }
.menu-backdrop { display: none; }
@media (min-width: 901px) {
  .site-header--inner { background: rgba(22,33,30,.96); }
}
@media (max-width: 900px) {
  .trust-stats { grid-template-columns: repeat(2, 1fr); }
  .trust-stats--6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .trust-stat:nth-child(2n) { border-right: 0; }
  .trust-stats--6 .trust-stat:nth-child(2n) { border-right: 1px solid #ffffff20; }
  .trust-stats--6 .trust-stat:nth-child(6n) { border-right: 0; }
  .news-feature { grid-template-columns: 1fr; gap: 30px; }
  .cta-banner { align-items: flex-start; flex-direction: column; padding: 54px 24px; }
  .product-filters { top: 68px; }
  .site-menu { position: fixed; top: 0; right: 0; left: auto; width: min(82vw, 360px); height: 100dvh; max-height: none; padding: 92px 24px 30px; transform: translateX(105%); transition: transform .28s var(--ease); box-shadow: -18px 0 35px rgba(0,0,0,.18); }
  .site-menu.is-open { max-height: none; transform: translateX(0); overflow-y: auto; }
  .site-menu > ul > li > a { font-size: 16px; padding: 14px 0; }
  .sub-menu { background: transparent; border-left: 1px solid var(--brass); }
  .menu-toggle { position: relative; z-index: 21; }
  .footer__grid { grid-template-columns: repeat(2, 1fr); gap: 30px 24px; }
  .menu-backdrop { position: fixed; inset: 0; z-index: -1; display: block; opacity: 0; visibility: hidden; background: rgba(0,0,0,.48); border: 0; }
  .site-menu.is-open ~ .menu-backdrop { z-index: 19; opacity: 1; visibility: visible; }
}
@media (max-width: 560px) {
  .hero__progress { bottom: 22px; width: min(280px, calc(100% - 48px)); }
  .trust-stats, .trust-stats--6 { grid-template-columns: repeat(2, 1fr); }
  .trust-stat { padding: 18px 10px; }
  .trust-stat:nth-child(3n) { border-right: 1px solid #ffffff20; }
  .trust-stat:nth-child(2n) { border-right: 0; }
  .news-feature__body { padding: 24px; }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 18px; }
  .footer-company, .footer-tools-column { grid-column: 1 / -1; }
  .footer-column h3 { font-size: 15px; }
  .footer-column > a:not(.footer-phone) { font-size: 12px; }
}
@media (max-width: 560px) {
  .article-cta { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .hero__progress.is-running span { animation: none; transform: scaleX(1); }
}
/* Home news refresh: keep the section quiet and let every story use the
   same elevated card language as the rest of the homepage. */
.section--news { --section-bg: var(--paper); background: var(--paper); padding-bottom: 110px; box-shadow: none; clip-path: none; border-top: 1px solid var(--brass-tint); }
.section--news .section__head--center { flex-direction: column; align-items: center; gap: 16px; }
.section--news .section__head--center .more-link { position: static; }
.news-feature { position: relative; overflow: hidden; margin-bottom: 18px; border: 0; border-radius: var(--radius-m); box-shadow: var(--shadow-card); transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-bottom-color var(--dur) var(--ease); }
.news-feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-bottom: 2px solid var(--brass); }
.news-feature > a { display: block; overflow: hidden; }
.news-feature img { transition: transform .6s var(--ease); }
.news-feature:hover img { transform: scale(1.04); }
.news-feature__badge { position: absolute; z-index: 1; top: 18px; left: 18px; padding: 4px 9px; color: #fff; background: var(--brass); border-radius: 2px; font-size: 10px; letter-spacing: .18em; }
.news-feature__body time { display: inline-block; padding: 4px 10px; color: var(--brass-deep); background: var(--brass-tint); border-radius: 2px; font-size: 11px; }
.news-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; border-top: 0; margin-top: 18px; }
.news-item { display: flex; min-width: 0; flex-direction: column; gap: 13px; padding: 22px; overflow: hidden; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m); box-shadow: var(--shadow-card); transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-bottom-color var(--dur) var(--ease); }
.news-item:hover { padding-left: 22px; background: var(--surface); border-bottom: 2px solid var(--brass); box-shadow: var(--shadow-card-hover); transform: translateY(-4px); }
.news-item__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.news-item time { color: var(--brass-deep); font-size: 12px; letter-spacing: .08em; }
.news-item__top i { color: var(--brass); font-size: 20px; font-style: normal; line-height: 1; }
.news-item__body h3 { margin: 0 0 6px; font-size: 17px; font-weight: 600; line-height: 1.45; }
.news-item__body p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.news-item__thumb { width: 100%; aspect-ratio: 3 / 2; order: 3; object-fit: cover; border-radius: 2px; }
.news-more { display: flex; justify-content: center; padding-top: 42px; }
.news-more .more-link { font-size: 13px; padding: 8px 6px; }
@media (max-width: 900px) {
  .news-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .section--news { padding-bottom: 58px; }
  .news-list { grid-template-columns: 1fr; gap: 14px; }
  .news-item { padding: 18px; }
  .news-item:hover { padding-left: 18px; }
  .news-feature__badge { top: 12px; left: 12px; }
}