:root {
  --paper: #f7f7f4;
  --surface: #fdfdfb;
  --surface-muted: #eef0f1;
  --ink: #222a35;
  --muted: #68717d;
  --line: rgba(34, 42, 53, 0.11);
  --navy: #323f54;
  --navy-deep: #263346;
  --navy-soft: #46556c;
  --accent: #bb482b;
  --accent-soft: #fd9e6f;
  --accent-pale: #fff0e9;
  --on-accent: #fffaf5;
  --on-dark: #f7f8f7;
  --shadow: 0 18px 60px rgba(50, 63, 84, 0.14);
  --shadow-small: 0 10px 30px rgba(50, 63, 84, 0.1);
  --radius: 2px;
  --container: 1200px;
  --section-space: clamp(72px, 8vw, 112px);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: 0.024;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180'%3E%3Cfilter id='grain'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' seed='9'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23grain)' opacity='.42'/%3E%3C/svg%3E");
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p, h1, h2, h3, h4 { margin-top: 0; }

:focus-visible {
  outline: 3px solid var(--accent-soft);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 10px;
  z-index: 999;
  padding: 10px 16px;
  color: var(--on-dark);
  background: var(--navy-deep);
  transform: translateY(-160%);
  transition: transform .2s ease;
}

.skip-link:focus { transform: translateY(0); }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.section { padding-block: var(--section-space); }
.section--surface { background: var(--surface); }
.section--muted { background: var(--surface-muted); }
.section--dark { color: var(--on-dark); background: var(--navy-deep); }
.section--tight { padding-block: clamp(48px, 6vw, 72px); }
.muted { color: var(--muted); }
.accent { color: var(--accent); }
.text-link { color: var(--accent); font-weight: 700; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.kicker { margin-bottom: 14px; color: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.section-title {
  margin-bottom: 22px;
  max-width: 18ch;
  font-size: clamp(34px, 4.2vw, 62px);
  line-height: .95;
  letter-spacing: -.035em;
  font-weight: 900;
  text-wrap: balance;
}
.title-lines {
  width: max-content;
  max-width: 100%;
  text-wrap: initial;
}
.title-lines > span {
  display: block;
  white-space: nowrap;
}
.title-lines > span + span { margin-top: .07em; }
.title-lines .title-comma {
  display: inline-block;
  width: .56em;
  letter-spacing: 0;
}
.section-intro { max-width: 64ch; margin-bottom: 42px; color: var(--muted); text-wrap: pretty; }
.section--dark .section-intro { color: #c9ced6; }

.topbar {
  height: 38px;
  color: #616a75;
  background: #eff1f2;
  border-bottom: 1px solid rgba(34, 42, 53, .06);
  font-size: 13px;
}
.topbar__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.topbar__keywords { display: flex; align-items: center; gap: 18px; white-space: nowrap; }
.topbar__keywords span { color: var(--accent); font-weight: 700; }
.topbar a:hover { color: var(--accent); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  height: 76px;
  color: var(--ink);
  background: rgba(253, 253, 251, .95);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 4px 20px rgba(50, 63, 84, .05);
  backdrop-filter: blur(14px);
}
.site-header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 182px; }
.brand__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--on-accent);
  background: var(--accent);
  font-weight: 900;
  letter-spacing: -.08em;
}
.brand__name { display: block; font-size: 20px; font-weight: 900; line-height: 1.15; letter-spacing: .06em; }
.brand__en { display: block; margin-top: 3px; color: var(--muted); font-size: 9px; letter-spacing: .2em; }
.main-nav > ul { display: flex; align-items: center; gap: clamp(12px, 2vw, 28px); }
.main-nav li { position: relative; }
.main-nav a { display: flex; min-height: 46px; align-items: center; font-size: 15px; font-weight: 600; white-space: nowrap; }
.main-nav > ul > li > a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 3px;
  height: 2px;
  background: var(--accent);
  transition: right .28s cubic-bezier(.16, 1, .3, 1);
}
.main-nav > ul > li:hover > a::after,
.main-nav > ul > li:focus-within > a::after,
.main-nav > ul > li.is-active > a::after { right: 0; }
.main-nav > ul > li.is-active > a { color: var(--accent); }
.main-nav ul ul {
  position: absolute;
  left: -18px;
  top: calc(100% - 2px);
  min-width: 180px;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-small);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
}
.main-nav ul ul a { min-height: 40px; padding: 0 12px; font-size: 14px; }
.main-nav ul ul a:hover, .main-nav ul ul a:focus-visible { color: var(--accent); background: var(--accent-pale); }
.main-nav li:hover > ul, .main-nav li:focus-within > ul { opacity: 1; visibility: visible; transform: none; }
.header-call { display: flex; align-items: center; gap: 10px; padding-left: 18px; border-left: 1px solid var(--line); white-space: nowrap; }
.header-call small { display: block; color: var(--muted); font-size: 11px; line-height: 1.2; }
.header-call strong { color: var(--accent); font-size: 17px; letter-spacing: .02em; }
.nav-toggle {
  display: none;
  min-width: 58px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
  font-weight: 700;
}
.nav-overlay { display: none; }

.hero {
  position: relative;
  isolation: isolate;
  min-height: min(680px, calc(100dvh - 114px));
  overflow: hidden;
  color: var(--on-dark);
  background: var(--navy-deep);
}
.hero__media, .hero__media picture, .hero__media img { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__media { z-index: -3; }
.hero__media img { object-fit: cover; object-position: center; animation: hero-breathe 16s ease-in-out infinite alternate; }
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(90deg, rgba(24, 32, 45, .92) 0%, rgba(30, 39, 53, .76) 35%, rgba(32, 42, 57, .22) 68%, rgba(32, 42, 57, .08) 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(ellipse 90% 90% at 72% 48%, transparent 42%, rgba(31, 41, 55, .45) 100%);
}
.hero__inner { min-height: inherit; display: grid; align-items: center; }
.hero__content { max-width: 650px; padding-block: 72px; }
.hero__eyebrow { margin-bottom: 18px; color: var(--accent-soft); font-size: 14px; font-weight: 700; letter-spacing: .18em; }
.hero h1 {
  margin-bottom: 24px;
  font-size: clamp(58px, 5.6vw, 84px);
  line-height: .96;
  letter-spacing: -.05em;
  font-weight: 900;
}
.hero h1 > span + span { margin-top: .035em; }
.hero__lead { max-width: 34em; margin-bottom: 34px; color: #e0e3e7; font-size: clamp(17px, 1.6vw, 21px); }
.button-row { display: flex; flex-wrap: wrap; gap: 14px; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  color: var(--on-accent);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 800;
  white-space: nowrap;
  transition: transform .25s cubic-bezier(.16, 1, .3, 1), background .25s ease, border-color .25s ease;
}
.button:hover { transform: translateY(-2px); background: #a83e24; border-color: #a83e24; }
.button--ghost { color: var(--on-dark); background: rgba(38, 51, 70, .56); border-color: rgba(247, 248, 247, .42); backdrop-filter: blur(8px); }
.button--ghost:hover { background: var(--navy-deep); border-color: rgba(247, 248, 247, .72); }
.button--light { color: var(--navy-deep); background: var(--surface); border-color: var(--surface); }
.button--light:hover { color: var(--navy-deep); background: #eef0ec; border-color: #eef0ec; }

.notice-strip { color: var(--ink); background: var(--surface); border-bottom: 1px solid var(--line); }
.notice-strip__inner { min-height: 58px; display: flex; align-items: center; gap: 18px; }
.notice-strip strong { flex: 0 0 auto; color: var(--accent); font-size: 14px; }
.notice-strip a { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.notice-strip time { margin-left: auto; color: var(--muted); font-size: 13px; white-space: nowrap; }

.about-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: clamp(44px, 7vw, 94px); }
.about-copy p { max-width: 62ch; color: var(--muted); }
.about-copy .section-title { font-size: clamp(38px, 3.8vw, 54px); line-height: 1; letter-spacing: -.045em; }
.about-copy .button { margin-top: 18px; }
.about-media { position: relative; padding: 0 28px 28px 0; }
.about-media::after { content: ""; position: absolute; right: 0; bottom: 0; width: 58%; height: 62%; z-index: -1; background: var(--accent-soft); }
.about-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; box-shadow: var(--shadow); }
.about-note { position: absolute; left: -24px; bottom: 52px; width: min(240px, 58%); padding: 22px; color: var(--on-dark); background: var(--navy); box-shadow: var(--shadow-small); }
.about-note strong { display: block; margin-bottom: 4px; font-size: 18px; }
.about-note span { color: #d6dae0; font-size: 13px; }

.category-mosaic { display: grid; grid-template-columns: 1.15fr .85fr .85fr; grid-template-rows: 290px 290px; gap: 16px; }
.category-card { position: relative; isolation: isolate; overflow: hidden; color: var(--on-dark); background: var(--navy); }
.category-card:first-child { grid-row: 1 / span 2; }
.category-card:last-child { grid-column: 2 / span 2; }
.category-card img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.16, 1, .3, 1); }
.category-card::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(38, 51, 70, .04) 34%, rgba(38, 51, 70, .9) 100%); }
.category-card__content { position: absolute; left: 26px; right: 26px; bottom: 24px; }
.category-card h3 { margin: 0 0 4px; font-size: clamp(21px, 2vw, 29px); line-height: 1.1; }
.category-card span { color: #d7dbe0; font-size: 13px; }
.category-card:hover img { transform: scale(1.035); }

.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.product-card { background: var(--surface); border: 1px solid var(--line); box-shadow: 0 8px 28px rgba(50, 63, 84, .06); }
.product-card__media { display: block; overflow: hidden; background: #e7e7e2; }
.product-card__media img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; transition: transform .55s cubic-bezier(.16, 1, .3, 1); }
.product-card:hover .product-card__media img { transform: scale(1.035); }
.product-card__body { padding: 20px; }
.product-card__category { display: block; margin-bottom: 7px; color: var(--accent); font-size: 12px; font-weight: 700; }
.product-card h3 { margin: 0; font-size: 18px; line-height: 1.4; }
.product-card p { margin: 9px 0 0; color: var(--muted); font-size: 14px; }

.advantage-layout { display: grid; grid-template-columns: .84fr 1.16fr; gap: clamp(42px, 7vw, 88px); align-items: start; }
.advantage-intro { position: sticky; top: 122px; }
.advantage-intro .section-title { font-size: clamp(38px, 3.4vw, 50px); line-height: 1; letter-spacing: -.045em; }
.advantage-list { border-top: 1px solid rgba(247, 248, 247, .16); }
.advantage-item { display: grid; grid-template-columns: 70px 1fr; gap: 20px; padding: 30px 0; border-bottom: 1px solid rgba(247, 248, 247, .16); }
.advantage-item strong { color: var(--accent-soft); font-size: 14px; letter-spacing: .12em; }
.advantage-item h3 { margin-bottom: 8px; font-size: 23px; }
.advantage-item p { margin: 0; color: #c9ced6; }

.case-feature { display: grid; grid-template-columns: 1.3fr .7fr; min-height: 560px; background: var(--navy); }
.case-feature__media { overflow: hidden; }
.case-feature__media img { width: 100%; height: 100%; object-fit: cover; }
.case-feature__copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(42px, 6vw, 78px); color: var(--on-dark); }
.case-feature__copy h2 { margin-bottom: 22px; font-size: clamp(38px, 3.5vw, 50px); line-height: 1; letter-spacing: -.045em; }
.case-feature__copy p { color: #d0d5db; }

.news-layout { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 6vw, 76px); }
.news-column__title { display: flex; justify-content: space-between; align-items: end; gap: 20px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.news-column__title h3 { margin: 0; font-size: 26px; }
.news-list { display: grid; }
.news-item { display: grid; grid-template-columns: 72px 1fr; gap: 22px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); }
.date-block { padding: 10px 8px; text-align: center; background: var(--surface-muted); }
.date-block strong { display: block; color: var(--accent); font-size: 27px; line-height: 1; }
.date-block span { display: block; margin-top: 5px; color: var(--muted); font-size: 11px; }
.news-item h4 { margin: 0 0 6px; font-size: 17px; line-height: 1.45; }
.news-item p { margin: 0; color: var(--muted); font-size: 13px; }
.news-item:hover h4 { color: var(--accent); }

.faq-home { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(44px, 7vw, 96px); }
.faq-stack { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { position: relative; min-height: 70px; display: flex; align-items: center; padding: 18px 46px 18px 0; cursor: pointer; font-size: 18px; font-weight: 700; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 8px; top: 50%; transform: translateY(-50%); color: var(--accent); font-size: 28px; font-weight: 400; }
.faq-item[open] summary::after { content: "−"; }
.faq-item__answer { padding: 0 46px 24px 0; color: var(--muted); }

.cta-band { position: relative; overflow: hidden; color: var(--on-dark); background: var(--accent); }
.cta-band::after { content: ""; position: absolute; top: -60%; right: -10%; width: 460px; height: 460px; border: 90px solid rgba(255, 250, 245, .1); border-radius: 50%; }
.cta-band__inner { position: relative; z-index: 1; min-height: 300px; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-band__copy { flex: 1 1 620px; min-width: 0; }
.cta-band h2 { margin: 0 0 16px; font-size: clamp(40px, 4vw, 58px); line-height: .98; letter-spacing: -.045em; }
.cta-band p { margin: 0; color: #fff1eb; }
.cta-band__action { flex: 0 0 auto; }
.cta-band__phone { display: block; margin-bottom: 14px; font-size: clamp(26px, 3.2vw, 42px); font-weight: 900; line-height: 1; white-space: nowrap; }

.page-hero { position: relative; isolation: isolate; min-height: 320px; display: grid; align-items: end; overflow: hidden; color: var(--on-dark); background: var(--navy); }
.page-hero img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; object-position: center 46%; }
.page-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(38, 51, 70, .92), rgba(38, 51, 70, .38)); }
.page-hero__inner { padding-block: 62px 50px; }
.page-hero h1 { margin: 0 0 10px; font-size: clamp(42px, 6vw, 76px); line-height: .9; letter-spacing: -.04em; }
.page-hero p { margin: 0; color: #d7dbe1; }
.breadcrumb { min-height: 54px; display: flex; align-items: center; flex-wrap: wrap; gap: 9px; color: var(--muted); font-size: 13px; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb [aria-current="page"] { color: var(--ink); }

.layout-sidebar { display: grid; grid-template-columns: 244px 1fr; gap: clamp(36px, 5vw, 72px); align-items: start; }
.side-nav { position: sticky; top: 110px; padding: 22px; background: var(--surface); border: 1px solid var(--line); }
.side-nav h2 { margin-bottom: 15px; font-size: 20px; }
.side-nav a { display: block; min-height: 44px; padding: 10px 12px; color: var(--muted); border-bottom: 1px solid var(--line); }
.side-nav a:last-child { border-bottom: 0; }
.side-nav a:hover, .side-nav a.is-active { color: var(--accent); background: var(--accent-pale); }

.content-prose { max-width: 820px; }
.content-prose h2 { margin-top: 46px; margin-bottom: 16px; font-size: 28px; }
.content-prose h2:first-child { margin-top: 0; }
.content-prose p, .content-prose li { color: #56606d; }
.content-prose ul { display: grid; gap: 10px; padding-left: 20px; list-style: disc; }
.prose-lead { color: var(--ink) !important; font-size: 21px; line-height: 1.65; }
.inline-media { margin-block: 38px; }
.inline-media img { width: 100%; max-height: 560px; object-fit: cover; }
.source-note { padding: 18px 20px; color: #5e4c43; background: var(--accent-pale); border: 1px solid rgba(187, 72, 43, .14); font-size: 14px; }

.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.filter-chip { min-height: 44px; display: inline-flex; align-items: center; padding: 0 18px; color: var(--muted); background: var(--surface); border: 1px solid var(--line); }
.filter-chip:hover, .filter-chip.is-active { color: var(--on-accent); background: var(--accent); border-color: var(--accent); }
.listing-head { display: flex; justify-content: space-between; align-items: end; gap: 28px; margin-bottom: 34px; }
.listing-head h2 { margin: 0; font-size: clamp(30px, 4vw, 50px); letter-spacing: -.03em; }
.listing-head p { max-width: 44ch; margin: 0; color: var(--muted); }
.pagination { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 48px; }
.pagination a, .pagination span { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 0 14px; color: var(--muted); background: var(--surface); border: 1px solid var(--line); }
.pagination a:hover, .pagination .current { color: var(--on-accent); background: var(--accent); border-color: var(--accent); }

.product-detail { display: grid; grid-template-columns: minmax(300px, .88fr) 1.12fr; gap: clamp(40px, 7vw, 92px); align-items: start; }
.product-detail__media { position: sticky; top: 110px; background: var(--surface); border: 1px solid var(--line); }
.product-detail__media img { width: 100%; max-height: 720px; object-fit: cover; }
.product-detail__category { color: var(--accent); font-size: 13px; font-weight: 700; }
.product-detail h1 { margin: 12px 0 18px; font-size: clamp(38px, 5vw, 64px); line-height: .96; letter-spacing: -.04em; }
.product-detail__summary { color: var(--muted); font-size: 18px; }
.detail-facts { display: grid; grid-template-columns: repeat(2, 1fr); margin: 30px 0; border-top: 1px solid var(--line); }
.detail-facts li { padding: 17px 0; border-bottom: 1px solid var(--line); }
.detail-facts span { display: block; color: var(--muted); font-size: 12px; }
.detail-facts strong { display: block; margin-top: 4px; }
.detail-contact { margin-top: 30px; padding: 28px; color: var(--on-dark); background: var(--navy); }
.detail-contact p { margin: 0 0 16px; color: #d5d9df; }

.article-wrap { max-width: 860px; margin-inline: auto; }
.article-header { padding-bottom: 32px; margin-bottom: 38px; border-bottom: 1px solid var(--line); text-align: center; }
.article-header h1 { margin-bottom: 18px; font-size: clamp(38px, 5vw, 62px); line-height: 1.04; letter-spacing: -.035em; text-wrap: balance; }
.article-meta { display: flex; justify-content: center; gap: 18px; color: var(--muted); font-size: 13px; }
.article-body { color: #515b67; font-size: 17px; line-height: 1.95; }
.article-body h2 { margin: 44px 0 18px; color: var(--ink); font-size: 27px; }
.article-body img { width: 100%; margin: 34px 0; }
.article-nav { display: grid; grid-template-columns: 1fr 1fr; margin-top: 54px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.article-nav > * { padding: 22px; }
.article-nav > * + * { border-left: 1px solid var(--line); text-align: right; }
.article-nav > span { color: var(--muted); }
.article-nav small { display: block; margin-bottom: 4px; color: var(--muted); }
.article-nav a:hover { color: var(--accent); }

.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.case-card { position: relative; min-height: 400px; overflow: hidden; color: var(--on-dark); background: var(--navy); }
.case-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.16, 1, .3, 1); }
.case-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(38, 51, 70, .88)); }
.case-card__body { position: absolute; left: 28px; right: 28px; bottom: 26px; z-index: 1; }
.case-card h3 { margin: 0 0 6px; font-size: 25px; }
.case-card p { margin: 0; color: #d7dbe0; }
.case-card:hover img { transform: scale(1.035); }

.faq-page { display: grid; gap: 12px; }
.faq-page .faq-item { padding-inline: 26px; background: var(--surface); border: 1px solid var(--line); }
.faq-page .faq-item__answer { max-width: 76ch; }

.search-form { display: grid; grid-template-columns: 1fr auto; max-width: 760px; margin-bottom: 44px; }
.search-form label { grid-column: 1 / -1; margin-bottom: 10px; font-weight: 700; }
.search-form input { min-height: 52px; padding: 0 16px; color: var(--ink); background: var(--surface); border: 1px solid rgba(34, 42, 53, .22); border-right: 0; }
.search-form input::placeholder { color: #707985; }
.search-form .button { min-height: 52px; }
.search-results { border-top: 1px solid var(--line); }
.search-result { display: grid; grid-template-columns: 1fr auto; gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.search-result h3 { margin: 0 0 7px; font-size: 20px; }
.search-result p { margin: 0; color: var(--muted); }
.search-result time { color: var(--muted); font-size: 13px; white-space: nowrap; }
mark { color: var(--ink); background: #ffd8c6; }
.empty-state { padding: clamp(48px, 8vw, 88px) 28px; text-align: center; background: var(--surface); border: 1px solid var(--line); }
.empty-state strong { display: block; margin-bottom: 10px; color: var(--accent); font-size: 42px; }
.empty-state h2 { margin-bottom: 10px; font-size: 28px; }
.empty-state p { max-width: 46ch; margin: 0 auto 24px; color: var(--muted); }

.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(40px, 7vw, 88px); }
.contact-panel { padding: clamp(30px, 5vw, 52px); color: var(--on-dark); background: var(--navy); }
.contact-panel h2 { margin-bottom: 28px; font-size: 34px; }
.contact-list { display: grid; gap: 20px; }
.contact-list span { display: block; color: #bfc5ce; font-size: 12px; }
.contact-list strong, .contact-list a { display: block; margin-top: 3px; color: var(--on-dark); font-size: 18px; font-weight: 700; }
.contact-form-demo { padding: clamp(30px, 5vw, 52px); background: var(--surface); border: 1px solid var(--line); }
.contact-form-demo h2 { margin-bottom: 6px; font-size: 32px; }
.contact-form-demo > p { color: var(--muted); }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 28px; }
.field { display: grid; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { font-weight: 700; }
.field input, .field textarea { width: 100%; min-height: 48px; padding: 11px 13px; color: var(--ink); background: var(--paper); border: 1px solid rgba(34, 42, 53, .2); }
.field textarea { min-height: 130px; resize: vertical; }
.form-disabled-note { margin-top: 18px; padding: 14px 16px; color: #5e4c43; background: var(--accent-pale); border: 1px solid rgba(187, 72, 43, .14); font-size: 13px; }

.not-found { min-height: calc(100dvh - 114px); display: grid; place-items: center; padding: 60px 24px; text-align: center; }
.not-found__code { color: var(--accent); font-size: clamp(92px, 18vw, 220px); line-height: .8; letter-spacing: -.07em; font-weight: 900; }
.not-found h1 { margin: 28px 0 12px; font-size: clamp(30px, 4vw, 48px); }
.not-found p { max-width: 50ch; margin: 0 auto 28px; color: var(--muted); }

.site-footer { color: #dfe3e7; background: var(--navy); }
.site-footer__top { display: grid; grid-template-columns: 1.15fr .7fr .8fr 1.35fr; gap: 44px; padding-block: 64px 54px; }
.footer-brand .brand__name { color: var(--on-dark); }
.footer-brand .brand__en { color: #bfc5cd; }
.footer-brand p { max-width: 30ch; margin: 20px 0 0; color: #bfc5cd; font-size: 14px; }
.footer-col h2 { margin-bottom: 16px; color: var(--on-dark); font-size: 16px; }
.footer-col li + li { margin-top: 9px; }
.footer-col a, .footer-col p { color: #bec5ce; font-size: 14px; }
.footer-col a:hover { color: var(--accent-soft); }
.footer-contact strong { display: block; margin-bottom: 12px; color: var(--on-dark); font-size: 28px; line-height: 1.15; }
.footer-contact p { margin: 7px 0 0; }
.site-footer__bottom { padding-block: 18px; border-top: 1px solid rgba(247, 248, 247, .13); color: #aeb6c0; font-size: 12px; }
.site-footer__bottom .container { display: flex; justify-content: space-between; gap: 28px; }

.floating-call {
  position: fixed;
  right: 20px;
  bottom: 22px;
  z-index: 70;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  padding: 0 18px;
  color: var(--on-accent);
  background: var(--accent);
  box-shadow: 0 12px 30px rgba(79, 29, 17, .24);
  font-size: 14px;
  font-weight: 800;
}
.mobile-dock { display: none; }
.back-top { position: fixed; right: 20px; bottom: 80px; z-index: 69; min-width: 48px; min-height: 44px; color: var(--on-dark); background: var(--navy); border: 0; cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(8px); transition: .2s ease; }
.back-top.is-visible { opacity: 1; visibility: visible; transform: none; }

@keyframes hero-breathe { from { transform: scale(1); } to { transform: scale(1.025); } }

@media (max-width: 1120px) {
  .header-call { display: none; }
  .main-nav > ul { gap: 16px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .topbar { display: none; }
  .site-header { height: 60px; }
  .container { width: min(calc(100% - 36px), var(--container)); }
  .brand__mark { width: 36px; height: 36px; font-size: 14px; }
  .brand__name { font-size: 18px; }
  .brand__en { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 102;
    width: min(86vw, 360px);
    height: 100dvh;
    padding: 78px 22px 28px;
    overflow-y: auto;
    color: var(--ink);
    background: var(--surface);
    transform: translateX(104%);
    transition: transform .28s cubic-bezier(.16, 1, .3, 1);
  }
  .main-nav.is-open { transform: none; }
  .main-nav::before { content: "网站导航"; position: absolute; top: 24px; left: 24px; font-size: 18px; font-weight: 900; }
  .main-nav > ul { display: block; }
  .main-nav > ul > li { border-bottom: 1px solid var(--line); }
  .main-nav a { min-height: 50px; }
  .main-nav > ul > li > a::after { display: none; }
  .main-nav ul ul { position: static; min-width: 0; padding: 0 0 10px 14px; opacity: 1; visibility: visible; transform: none; border: 0; box-shadow: none; background: transparent; }
  .main-nav ul ul a { min-height: 44px; color: var(--muted); }
  .nav-overlay { position: fixed; inset: 0; z-index: 101; display: block; visibility: hidden; opacity: 0; background: rgba(25, 33, 45, .66); transition: opacity .24s ease, visibility .24s; }
  .nav-overlay.is-open { visibility: visible; opacity: 1; }
  body.nav-open { overflow: hidden; }
  .hero { min-height: min(680px, calc(100dvh - 60px)); }
  .hero::before { background: linear-gradient(90deg, rgba(24, 32, 45, .9), rgba(31, 41, 55, .36)); }
  .hero__content { max-width: 570px; }
  .about-grid, .advantage-layout, .faq-home, .contact-grid { grid-template-columns: 1fr; }
  .advantage-intro { position: static; }
  .category-mosaic { grid-template-columns: 1fr 1fr; grid-template-rows: 360px 280px 280px; }
  .category-card:first-child { grid-column: 1 / span 2; grid-row: auto; }
  .category-card:last-child { grid-column: auto; }
  .case-feature { grid-template-columns: 1fr; }
  .case-feature__media { min-height: 430px; }
  .case-feature__copy { min-height: 360px; }
  .news-layout { grid-template-columns: 1fr; }
  .layout-sidebar { grid-template-columns: 1fr; }
  .side-nav { position: static; display: flex; overflow-x: auto; gap: 8px; padding: 10px; }
  .side-nav h2 { display: none; }
  .side-nav a { flex: 0 0 auto; border: 0; }
  .product-detail { grid-template-columns: .86fr 1.14fr; gap: 42px; }
  .product-detail__media { position: static; }
}

@media (max-width: 640px) {
  :root { --section-space: 68px; }
  body { padding-bottom: 62px; font-size: 15px; }
  .container { width: min(calc(100% - 28px), var(--container)); }
  .hero { min-height: 600px; }
  .hero__media img { object-position: 61% center; }
  .hero::before { background: linear-gradient(90deg, rgba(22, 30, 42, .94), rgba(26, 35, 49, .48)); }
  .hero__content { padding-block: 50px; }
  .hero__eyebrow { font-size: 12px; }
  .hero h1 { font-size: clamp(44px, 13.6vw, 58px); }
  .hero__lead { font-size: 16px; }
  .button-row { display: grid; grid-template-columns: 1fr; }
  .button { width: 100%; }
  .notice-strip__inner { min-height: 64px; }
  .notice-strip time { display: none; }
  .about-media { padding: 0 16px 16px 0; }
  .about-note { left: -4px; bottom: 30px; padding: 16px; }
  .category-mosaic { grid-template-columns: 1fr; grid-template-rows: repeat(4, 320px); }
  .category-card:first-child, .category-card:last-child { grid-column: auto; grid-row: auto; }
  .product-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .product-card__body { padding: 14px; }
  .product-card__body p { display: none; }
  .product-card h3 { font-size: 15px; }
  .advantage-item { grid-template-columns: 52px 1fr; gap: 12px; }
  .about-copy .section-title { font-size: clamp(34px, 10.5vw, 44px); }
  .advantage-intro .section-title { font-size: clamp(31px, 9.2vw, 40px); }
  .case-feature__media { min-height: 300px; }
  .case-feature__copy { min-height: 330px; padding: 34px 24px; }
  .case-feature__copy h2 { font-size: clamp(34px, 10vw, 42px); }
  .news-item { grid-template-columns: 62px 1fr; gap: 14px; }
  .cta-band__inner { min-height: 360px; align-items: flex-start; flex-direction: column; justify-content: center; }
  .cta-band__copy { flex: 0 1 auto; }
  .cta-band h2 { font-size: clamp(34px, 9.6vw, 42px); }
  .cta-band__action { width: 100%; }
  .page-hero { min-height: 260px; }
  .page-hero__inner { padding-block: 46px 38px; }
  .listing-head { display: block; }
  .listing-head p { margin-top: 14px; }
  .product-detail { grid-template-columns: 1fr; }
  .product-detail__media img { max-height: 600px; }
  .detail-facts { grid-template-columns: 1fr; }
  .article-meta { flex-wrap: wrap; gap: 8px 14px; }
  .article-nav { grid-template-columns: 1fr; }
  .article-nav > * + * { border-left: 0; border-top: 1px solid var(--line); text-align: left; }
  .case-grid { grid-template-columns: 1fr; }
  .case-card { min-height: 330px; }
  .search-form { grid-template-columns: 1fr; }
  .search-form input { border-right: 1px solid rgba(34, 42, 53, .22); }
  .search-result { grid-template-columns: 1fr; }
  .field-grid { grid-template-columns: 1fr; }
  .field--full { grid-column: auto; }
  .site-footer__top { grid-template-columns: 1fr; gap: 30px; padding-block: 48px 40px; }
  .site-footer__bottom .container { display: block; }
  .site-footer__bottom span { display: block; margin-top: 6px; }
  .floating-call, .back-top { display: none; }
  .mobile-dock {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 79;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    min-height: 62px;
    background: var(--surface);
    border-top: 1px solid var(--line);
    box-shadow: 0 -8px 30px rgba(50, 63, 84, .12);
  }
  .mobile-dock a { display: flex; align-items: center; justify-content: center; min-height: 62px; color: var(--muted); font-size: 13px; font-weight: 700; }
  .mobile-dock a:nth-child(2) { color: var(--on-accent); background: var(--accent); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .hero__media img { transform: none !important; }
}

@media print {
  .topbar, .site-header, .floating-call, .mobile-dock, .back-top, .cta-band { display: none !important; }
  body { padding: 0; color: #222a35; background: #fdfdfb; }
}