* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    background: #F7F6F2;
    color: #2F2D2A;
    line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #FFFFFF;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(92,73,50,0.10);
}
.header-inner {
    max-width: 1240px;
    margin: 0 auto;
    height: 78px;
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 0 20px;
}
.logo { flex: 0 0 auto; display: flex; align-items: center; }
.logo img { max-height: 52px; width: auto; display: block; }
.nav { flex: 1 1 auto; display: flex; align-items: center; justify-content: center; gap: 6px; min-width: 0; }
.nav > a, .nav-item > .drop-link {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 0 12px;
    color: #3D352B;
    font-size: 15px;
    font-weight: 650;
    white-space: nowrap;
}
.nav > a::after, .nav-item > .drop-link::after {
    content: '';
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 4px;
    height: 2px;
    border-radius: 999px;
    background: transparent;
}
.nav > a.active, .nav-item.active > .drop-link, .nav a:hover, .nav-item:hover > .drop-link { color: #B99563; }
.nav > a.active::after, .nav-item.active > .drop-link::after { background: #B99563; }
.nav-item { position: relative; }
.has-dropdown > .drop-link::before { content: '▾'; order: 2; margin-left: 5px; font-size: 10px; color: #B99563; }
.dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 176px;
    padding: 10px;
    background: #FFFFFF;
    border: 1px solid rgba(185,149,99,0.18);
    border-radius: 16px;
    box-shadow: 0 18px 38px rgba(92,73,50,0.16);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all .22s ease;
    z-index: 1200;
}
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}
.dropdown a {
    display: block;
    padding: 10px 12px;
    color: #3D352B;
    font-size: 14px;
    border-radius: 10px;
}
.dropdown a:hover { color: #B99563; background: #FAF8F4; }
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 22px;
    border-radius: 999px;
    background: linear-gradient(180deg, #E0C8A2 0%, #C9A978 55%, #A98152 100%);
    color: #FFFFFF;
    font-weight: 700;
    border: 0;
    box-shadow: 0 10px 22px rgba(169,129,82,0.28);
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 30px rgba(169,129,82,0.32); }
.header-btn { flex: 0 0 auto; min-width: 88px; }
.menu-toggle { display: none; border: 0; background: transparent; width: 42px; height: 42px; padding: 8px; }
.menu-toggle span { display: block; height: 2px; margin: 6px 0; background: #3D352B; border-radius: 999px; }
.site-main { padding-top: 78px; min-height: 62vh; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 34px 0; }
.section-soft { background: #F3EFE8; }
.section-carded { background: #FAF8F4; }
h1, h2, h3, .section-title { color: #B99563; line-height: 1.25; margin: 0 0 16px; }
p { margin: 0 0 14px; color: #2F2D2A; }
.lead { font-size: 18px; color: #6B6256; max-width: 840px; }
.muted { color: #8E8579; }
.highlight, .text-link { color: #B99563; }
.text-link { font-weight: 700; }
.tag, .number-badge { color: #D2B17D; }
.eyebrow { display: inline-flex; align-items: center; padding: 5px 12px; border-radius: 999px; color: #B99563; background: #F3EFE8; border: 1px solid rgba(185,149,99,0.18); font-size: 13px; font-weight: 700; margin-bottom: 14px; }
.hero-page { padding: 58px 0 24px; }
.hero-box, .card, .zone-card, .info-card, .review-card, .faq-item, .notice-box {
    background: rgba(255,255,255,0.96);
    border: 1px solid rgba(185,149,99,0.18);
    box-shadow: 0 14px 36px rgba(92,73,50,0.12);
    border-radius: 22px;
}
.hero-box { padding: 38px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px; align-items: center; }
.hero-box h1 { font-size: clamp(30px, 5vw, 52px); }
.hero-media, .image-card { border-radius: 20px; background: #FFFFFF; overflow: hidden; border: 1px solid rgba(185,149,99,0.16); }
.hero-media img, .image-card img { width: 100%; height: auto; object-fit: contain; background: #FFFFFF; }
.banner-slider {
    max-width: 1200px;
    height: clamp(220px, 42vw, 520px);
    margin: 28px auto 36px;
    border-radius: 22px;
    background: #FFFFFF;
    box-shadow: 0 18px 40px rgba(92,73,50,0.12);
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(185,149,99,0.16);
}
.banner-track, .banner-slide { height: 100%; }
.banner-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .45s ease; display: flex; align-items: center; justify-content: center; }
.banner-slide.active { opacity: 1; z-index: 2; }
.banner-slider img { width: 100%; height: 100%; object-fit: contain; background: #FFFFFF; }
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border-radius: 999px;
    border: 1px solid rgba(185,149,99,0.28);
    background: rgba(255,255,255,0.92);
    color: #B99563;
    font-size: 24px;
    cursor: pointer;
    z-index: 5;
    box-shadow: 0 8px 20px rgba(92,73,50,0.12);
}
.slider-prev { left: 16px; }
.slider-next { right: 16px; }
.slider-dots { position: absolute; left: 0; right: 0; bottom: 14px; display: flex; justify-content: center; gap: 8px; z-index: 6; }
.slider-dot { width: 10px; height: 10px; border-radius: 999px; border: 0; background: rgba(185,149,99,0.35); cursor: pointer; padding: 0; }
.slider-dot.active { width: 28px; background: #B99563; }
.intro-grid, .feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.card { padding: 24px; }
.card h3 { font-size: 22px; }
.zone-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.zone-card { padding: 22px; min-height: 190px; }
.zone-card h3 { font-size: 21px; }
.zone-card p { color: #6B6256; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.info-card { overflow: hidden; }
.info-card .img-wrap { background: #FFFFFF; border-bottom: 1px solid rgba(185,149,99,0.14); }
.info-card .img-wrap img { width: 100%; height: 210px; object-fit: contain; background: #FFFFFF; }
.info-card .content { padding: 22px; }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.review-card { padding: 22px; }
.review-card p { color: #6B6256; }
.review-name { display: block; margin-top: 12px; color: #B99563; font-weight: 700; }
.step-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; counter-reset: step; }
.step-list .card { position: relative; padding-top: 54px; }
.step-list .card::before { counter-increment: step; content: counter(step); position: absolute; top: 18px; left: 22px; width: 28px; height: 28px; border-radius: 999px; display: flex; align-items: center; justify-content: center; background: #EFE8DD; color: #B99563; font-weight: 800; }
.faq-list { display: grid; gap: 14px; }
.faq-item { padding: 22px 24px; }
.faq-item h3 { font-size: 20px; margin-bottom: 8px; }
.notice-box { padding: 24px; background: #EFE8DD; }
.notice-box ul { margin: 0; padding-left: 20px; color: #6B6256; }
.notice-box li { margin: 7px 0; }
.page-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(260px, .9fr); gap: 28px; align-items: start; }
.side-stack { display: grid; gap: 18px; }
.list { margin: 0; padding-left: 20px; color: #6B6256; }
.list li { margin: 8px 0; }
.kpi-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.kpi { padding: 18px; border-radius: 18px; background: #F3EFE8; }
.kpi strong { display: block; font-size: 24px; color: #B99563; }
.site-footer { background: #2F2A24; color: #F7F0E6; margin-top: 54px; }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 44px 20px 28px; display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 28px; }
.footer-brand img { max-height: 52px; width: auto; margin-bottom: 14px; }
.site-footer p, .site-footer a { color: #F7F0E6; opacity: .88; }
.footer-col h3 { color: #D2B17D; font-size: 18px; }
.footer-col a { display: block; margin: 7px 0; }
.footer-link { color: #D2B17D !important; font-weight: 700; }
.footer-bottom { border-top: 1px solid rgba(247,240,230,0.12); text-align: center; padding: 16px 20px 22px; }
.drawer-mask { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.42); z-index: 1300; opacity: 0; transition: opacity .24s ease; }
.mobile-drawer { position: fixed; top: 0; left: 0; width: 84%; max-width: 320px; height: 100vh; background: #FFFFFF; z-index: 1400; transform: translateX(-104%); transition: transform .28s ease; box-shadow: 20px 0 42px rgba(0,0,0,0.2); overflow-y: auto; }
.drawer-head { height: 74px; display: flex; align-items: center; justify-content: space-between; padding: 0 18px; border-bottom: 1px solid rgba(185,149,99,0.16); background: #F3EFE8; }
.drawer-logo img { max-height: 46px; width: auto; }
.drawer-close { width: 38px; height: 38px; border: 0; border-radius: 999px; background: #FFFFFF; color: #3D352B; font-size: 26px; line-height: 1; }
.drawer-nav { padding: 14px 16px 26px; display: grid; gap: 8px; }
.drawer-nav a { padding: 12px 14px; border-radius: 14px; color: #3D352B; background: #FAF8F4; font-weight: 700; }
.drawer-nav a:hover { color: #B99563; background: #F3EFE8; }
body.drawer-open { overflow: hidden; }
body.drawer-open .drawer-mask { display: block; opacity: 1; }
body.drawer-open .mobile-drawer { transform: translateX(0); }
@media (max-width: 1040px) {
    .header-inner { gap: 14px; }
    .nav > a, .nav-item > .drop-link { padding: 0 8px; font-size: 14px; }
    .product-grid, .review-grid, .step-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .zone-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
    .header-inner { height: 66px; justify-content: space-between; padding: 0 14px; }
    .site-main { padding-top: 66px; }
    .menu-toggle { display: block; flex: 0 0 auto; }
    .nav { display: none; }
    .logo { position: absolute; left: 50%; transform: translateX(-50%); }
    .logo img { max-height: 44px; }
    .header-btn { min-width: 72px; padding: 0 16px; min-height: 38px; }
    .banner-slider { margin: 18px 14px 28px; border-radius: 18px; height: clamp(190px, 58vw, 340px); }
    .slider-arrow { width: 36px; height: 36px; font-size: 20px; }
    .slider-prev { left: 10px; }
    .slider-next { right: 10px; }
    .hero-box, .intro-grid, .feature-row, .page-grid { grid-template-columns: 1fr; }
    .hero-box { padding: 26px; }
    .hero-page { padding-top: 34px; }
    .section { padding: 26px 0; }
}
@media (max-width: 620px) {
    .container { padding: 0 14px; }
    .zone-grid, .product-grid, .review-grid, .step-list, .kpi-row { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; }
    .card, .zone-card, .info-card .content, .review-card, .notice-box { padding: 20px; }
    .lead { font-size: 16px; }
    .info-card .img-wrap img { height: 180px; }
}