:root {
    --red: #c90000;
    --red-dark: #a80000;
    --red-soft: rgba(201, 0, 0, 0.08);
    --red-border: rgba(201, 0, 0, 0.12);
    --ink: #1f2329;
    --muted: #5d6673;
    --subtle: #8a93a0;
    --line: #e7eaf0;
    --panel: #ffffff;
    --soft: #f6f7f9;
    --soft-2: #f1f3f6;
    --footer: #11151c;
    --shadow: 0 12px 30px rgba(18, 28, 45, 0.08);
    --radius: 18px;
    --header-h: 74px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: #ffffff;
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.72;
    -webkit-font-smoothing: antialiased;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(201, 0, 0, 0.08);
}
.header-inner {
    width: min(1480px, calc(100% - 36px));
    min-height: var(--header-h);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.logo { display: inline-flex; align-items: center; flex: 0 0 auto; }
.logo img { max-height: 52px; width: auto; display: block; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 10px; white-space: nowrap; flex-wrap: nowrap; }
.nav-core a {
    color: var(--ink);
    background: var(--soft);
    border-radius: 999px;
    padding: 9px 16px;
    font-size: 15px;
    font-weight: 650;
    transition: .2s ease;
}
.nav-core a:hover, .nav-core a.active { color: var(--red); background: var(--red-soft); }
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 22px;
    border-radius: 999px;
    background: linear-gradient(180deg, #f12b2b 0%, #c90000 55%, #a80000 100%);
    color: #ffffff;
    font-weight: 750;
    box-shadow: 0 8px 18px rgba(201, 0, 0, .2);
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover { transform: translateY(-1px); box-shadow: 0 11px 24px rgba(201, 0, 0, .26); }
.header-register { flex: 0 0 auto; }
.menu-toggle { display: none; border: 0; background: transparent; color: var(--ink); font-size: 26px; padding: 8px; line-height: 1; }

.site-shell {
    width: min(1480px, calc(100% - 36px));
    margin: 0 auto;
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
}
.side-category {
    position: sticky;
    top: 96px;
    margin-top: 24px;
    background: #ffffff;
    border: 1px solid rgba(201, 0, 0, 0.10);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 16px;
    max-height: calc(100vh - 120px);
    overflow: auto;
}
.side-title { color: var(--red); font-size: 13px; letter-spacing: .12em; font-weight: 800; margin: 0 8px 10px; }
.side-category nav { display: grid; gap: 4px; }
.side-category a { color: var(--ink); border-radius: 12px; padding: 8px 10px; font-size: 14px; transition: .2s ease; }
.side-category a:hover, .side-category a.active { color: var(--red); background: var(--red-soft); }
.page-content { min-width: 0; padding: 24px 0 76px; }

.hero-page {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #ffffff 0%, #f6f7f9 62%, #fff4f4 100%);
    border: 1px solid var(--red-border);
    border-radius: 26px;
    padding: 54px clamp(24px, 5vw, 72px);
    box-shadow: var(--shadow);
}
.hero-page::after {
    content: "";
    position: absolute;
    width: 230px;
    height: 230px;
    right: -70px;
    top: -80px;
    border-radius: 50%;
    background: rgba(201, 0, 0, .06);
}
.eyebrow { display: inline-flex; color: var(--red); background: var(--red-soft); border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 800; letter-spacing: .08em; }
h1, h2, h3, .section-title { color: var(--red); line-height: 1.3; }
h1 { margin: 14px 0 16px; font-size: clamp(32px, 4.2vw, 54px); letter-spacing: -.03em; }
h2 { font-size: clamp(24px, 2.5vw, 34px); margin: 0 0 14px; }
h3 { font-size: 19px; margin: 0 0 10px; }
p { margin: 0 0 14px; }
.lead { color: var(--muted); max-width: 840px; font-size: 17px; }
.hero-actions, .action-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.secondary-btn, .text-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid var(--red-border);
    color: var(--red);
    background: #ffffff;
    font-weight: 700;
}
.text-link { color: var(--red); font-weight: 750; }
.text-link.light { color: #ffffff; }

.section { margin-top: 36px; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 18px; }
.section-head p { color: var(--muted); max-width: 700px; margin: 0; }
.card, .zone-card, .info-card, .review-card, .faq-card, .notice-card {
    background: #ffffff;
    border: 1px solid rgba(201, 0, 0, 0.10);
    box-shadow: var(--shadow);
    border-radius: 18px;
}
.card, .info-card, .review-card, .faq-card, .notice-card { padding: 24px; }
.grid-2, .grid-3, .grid-4 { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.banner-slider {
    max-width: 1180px;
    margin: 0 auto 34px;
    border-radius: 22px;
    background: #f7f8fa;
    box-shadow: var(--shadow);
    overflow: hidden;
    position: relative;
    min-height: 260px;
    max-height: 360px;
    aspect-ratio: 16 / 5.5;
}
.slides { height: 100%; position: relative; }
.slide { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity .45s ease; }
.slide.active { opacity: 1; pointer-events: auto; }
.banner-slider img { width: 100%; height: 100%; object-fit: contain; background: #f7f8fa; display: block; }
.banner-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.72);
    background: rgba(17,21,28,.48);
    color: #ffffff;
    font-size: 24px;
    z-index: 3;
}
.banner-control.prev { left: 16px; }
.banner-control.next { right: 16px; }
.banner-dots { position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); display: flex; gap: 8px; z-index: 3; }
.banner-dots button { width: 9px; height: 9px; border: 0; border-radius: 50%; background: rgba(255,255,255,.58); padding: 0; }
.banner-dots button.active { width: 24px; border-radius: 999px; background: #ffffff; }
.banner-caption, .banner-text, .slide-title, .slide-desc, .slide-content, .slide-card, .banner-card { display: none !important; }

.brand-intro { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); gap: 24px; align-items: stretch; }
.intro-panel { padding: clamp(26px, 4vw, 46px); }
.quick-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.quick-links a { padding: 18px; border-radius: 15px; background: var(--soft); border: 1px solid transparent; }
.quick-links a:hover { border-color: var(--red-border); background: #ffffff; }
.quick-links strong { display: block; color: var(--red); margin-bottom: 4px; }
.quick-links span { display: block; color: var(--muted); font-size: 13px; }

.service-summary { background: linear-gradient(135deg, #c90000, #9d0000); color: #fff; border-radius: 22px; padding: 28px; box-shadow: 0 16px 34px rgba(201,0,0,.22); }
.summary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.summary-item { border-left: 1px solid rgba(255,255,255,.24); padding-left: 18px; }
.summary-item:first-child { border-left: 0; padding-left: 0; }
.summary-item strong { display: block; font-size: 19px; margin-bottom: 4px; }
.summary-item span { color: rgba(255,255,255,.82); font-size: 14px; }

.category-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.category-link { padding: 20px; border-radius: 16px; background: var(--soft); border: 1px solid transparent; }
.category-link:hover { background: #ffffff; border-color: var(--red-border); box-shadow: var(--shadow); }
.category-link strong { display: block; color: var(--red); margin-bottom: 6px; }
.category-link span { color: var(--muted); font-size: 14px; }

.media-card { overflow: hidden; }
.media-card img, .zone-card img, .content-img { width: 100%; height: 210px; object-fit: contain; background: #f7f8fa; display: block; }
.media-card .card-body, .zone-card .card-body { padding: 22px; }
.product-row { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(220px, 1fr); gap: 16px; overflow-x: auto; padding: 2px 2px 14px; scroll-snap-type: x proximity; }
.product-card { scroll-snap-align: start; background: #ffffff; border: 1px solid var(--red-border); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); }
.product-card img { width: 100%; height: 170px; object-fit: contain; background: #f7f8fa; display: block; }
.product-card .card-body { padding: 18px; }
.tag { display: inline-flex; align-items: center; border-radius: 999px; padding: 4px 10px; color: var(--red); background: var(--red-soft); font-size: 12px; font-weight: 800; margin-bottom: 9px; }

.split-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .72fr); gap: 24px; align-items: center; }
.split-panel.reverse { grid-template-columns: minmax(300px, .72fr) minmax(0, 1fr); }
.split-panel img { width: 100%; max-height: 300px; object-fit: contain; background: #f7f8fa; border-radius: 16px; }
.bullet-list { display: grid; gap: 10px; padding: 0; margin: 18px 0 0; list-style: none; }
.bullet-list li { position: relative; padding-left: 22px; color: var(--muted); }
.bullet-list li::before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 8px; border-radius: 50%; background: var(--red); }

.review-card p { color: var(--muted); }
.review-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; color: var(--subtle); margin-top: 18px; }
.faq-list { display: grid; gap: 12px; }
.faq-card h3 { color: var(--ink); }
.faq-card p { color: var(--muted); margin-bottom: 0; }
.notice-card { background: #fff8f8; }
.notice-card strong { color: var(--red); }

.stat-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.stat { padding: 22px; border-radius: 16px; background: var(--soft); }
.stat strong { display: block; color: var(--red); font-size: 22px; }
.stat span { color: var(--muted); font-size: 14px; }

.info-table { width: 100%; border-collapse: collapse; background: #ffffff; overflow: hidden; border-radius: 16px; box-shadow: var(--shadow); }
.info-table th, .info-table td { text-align: left; padding: 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.info-table th { color: var(--red); background: #fff7f7; width: 24%; }
.info-table tr:last-child th, .info-table tr:last-child td { border-bottom: 0; }

.site-footer { background: var(--footer); color: #e7ecf3; padding: 54px max(18px, calc((100% - 1480px) / 2)) 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 34px; }
.footer-logo img { max-height: 48px; }
.site-footer h2 { color: #ffffff; font-size: 16px; margin-bottom: 14px; }
.site-footer p { color: #aeb7c4; font-size: 14px; }
.footer-links { display: grid; gap: 8px; }
.footer-links a { color: #cbd2dc; font-size: 14px; }
.footer-links a:hover { color: #ffffff; }
.legal-note { margin-top: 34px; padding: 18px 20px; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.04); border-radius: 14px; }
.legal-note p { margin: 0; }
.footer-bottom { margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.08); display: flex; justify-content: space-between; gap: 20px; color: #8f99a8; font-size: 13px; }
.mobile-bottom-nav { display: none; }

.drawer-overlay { position: fixed; inset: 0; z-index: 1090; background: rgba(17,21,28,.44); opacity: 0; transition: opacity .22s ease; }
.drawer-overlay.show { opacity: 1; }
.mobile-drawer { position: fixed; z-index: 1100; inset: 0 auto 0 0; width: min(84vw, 320px); background: #ffffff; transform: translateX(-104%); transition: transform .24s ease; box-shadow: 20px 0 50px rgba(17,21,28,.18); overflow-y: auto; }
.mobile-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; min-height: 72px; padding: 10px 16px; border-bottom: 1px solid var(--line); }
.drawer-logo img { max-height: 44px; }
.drawer-close { border: 0; background: var(--soft); width: 40px; height: 40px; border-radius: 50%; font-size: 25px; color: var(--ink); }
.drawer-nav { display: grid; gap: 4px; padding: 14px; }
.drawer-nav a { padding: 11px 13px; border-radius: 12px; color: var(--ink); }
.drawer-nav a:hover, .drawer-nav a.active { color: var(--red); background: var(--red-soft); }

@media (max-width: 1220px) {
    .site-shell { grid-template-columns: minmax(0, 1fr); }
    .side-category { display: none; }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
    :root { --header-h: 66px; }
    .header-inner { width: min(100% - 24px, 1480px); gap: 10px; }
    .nav-core { display: none; }
    .menu-toggle { display: inline-flex; }
    .header-inner .logo { margin-inline: auto; }
    .header-inner .logo img { max-height: 44px; }
    .header-register { padding: 9px 15px; min-height: 40px; }
    .site-shell { width: min(100% - 24px, 1480px); }
    .page-content { padding-top: 18px; }
    .hero-page { padding: 36px 24px; }
    .brand-intro, .split-panel, .split-panel.reverse { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .summary-item:nth-child(3) { border-left: 0; padding-left: 0; }
    .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .banner-slider { min-height: 180px; max-height: 250px; aspect-ratio: 16/7; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    body { padding-bottom: 66px; }
    .header-inner { min-height: 62px; }
    .menu-toggle { font-size: 24px; }
    .header-inner .logo img { max-width: 120px; max-height: 38px; }
    .header-register { font-size: 14px; padding: 8px 13px; min-height: 38px; }
    .site-shell { width: min(100% - 18px, 1480px); }
    .hero-page { border-radius: 20px; padding: 30px 20px; }
    h1 { font-size: 31px; }
    h2 { font-size: 24px; }
    .grid-2, .grid-3, .grid-4, .summary-grid, .category-grid, .stat-strip, .quick-links { grid-template-columns: 1fr; }
    .summary-item, .summary-item:nth-child(3) { border-left: 0; border-top: 1px solid rgba(255,255,255,.22); padding: 14px 0 0; }
    .summary-item:first-child { border-top: 0; padding-top: 0; }
    .section-head { display: block; }
    .section-head p { margin-top: 8px; }
    .banner-slider { min-height: 150px; max-height: 210px; border-radius: 16px; aspect-ratio: 16/8; margin-bottom: 24px; }
    .banner-control { width: 36px; height: 36px; font-size: 20px; }
    .banner-control.prev { left: 8px; }
    .banner-control.next { right: 8px; }
    .media-card img, .zone-card img, .content-img { height: 180px; }
    .product-card img { height: 150px; }
    .card, .info-card, .review-card, .faq-card, .notice-card { padding: 20px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 4px; }
    .mobile-bottom-nav {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        position: fixed;
        z-index: 1050;
        left: 0;
        right: 0;
        bottom: 0;
        min-height: 62px;
        padding-bottom: env(safe-area-inset-bottom);
        background: rgba(255,255,255,.98);
        border-top: 1px solid var(--line);
        box-shadow: 0 -8px 24px rgba(17,21,28,.08);
    }
    .mobile-bottom-nav a { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 2px; color: var(--muted); font-size: 12px; }
    .mobile-bottom-nav a span { font-size: 15px; font-weight: 800; }
    .mobile-bottom-nav a.active { color: var(--red); }
    .info-table th, .info-table td { display: block; width: 100%; }
    .info-table th { border-bottom: 0; padding-bottom: 8px; }
    .info-table td { padding-top: 0; }
}