* {
    box-sizing: border-box;
}
:root {
    --bg: #FFFFFF;
    --soft: #F7F8FA;
    --soft-2: #F4F6F8;
    --red: #D60000;
    --red-dark: #B80000;
    --text: #20242A;
    --muted: #5F6875;
    --light: #8A94A3;
    --line: rgba(214,0,0,0.12);
    --shadow: 0 12px 30px rgba(26,38,56,0.08);
    --footer: #171A22;
    --footer-text: #E8EDF5;
    --radius: 22px;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    background: #FFFFFF;
    color: #20242A;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}
a {
    color: inherit;
    text-decoration: none;
}
img {
    max-width: 100%;
    display: block;
}
p {
    margin: 0;
    color: var(--muted);
}
h1, h2, h3, .section-title {
    color: #D60000;
    line-height: 1.25;
    margin: 0;
}
ul {
    padding: 0;
    margin: 0;
    list-style: none;
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 9999;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(214,0,0,0.08);
}
.header-inner {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 76px;
}
.logo {
    flex: 0 0 auto;
}
.logo img {
    max-height: 52px;
    width: auto;
    display: block;
}
.nav-core {
    flex: 1 1 auto;
    display: flex;
    justify-content: center;
    gap: 22px;
    white-space: nowrap;
    flex-wrap: nowrap;
}
.nav-core a {
    color: #20242A;
    font-size: 15px;
    font-weight: 700;
    padding: 9px 0;
    position: relative;
}
.nav-core a:hover,
.nav-core a.active {
    color: #D60000;
}
.nav-core a.active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 2px;
    width: 22px;
    height: 3px;
    transform: translateX(-50%);
    border-radius: 99px;
    background: #D60000;
}
.header-action {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
}
.all-menu-btn {
    border: 1px solid rgba(214,0,0,0.18);
    background: #FFFFFF;
    color: #D60000;
    border-radius: 999px;
    padding: 10px 16px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 8px 18px rgba(214,0,0,0.06);
}
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    border-radius: 999px;
    padding: 10px 22px;
    background: linear-gradient(180deg, #F13A3A 0%, #D60000 55%, #B80000 100%);
    color: #FFFFFF;
    font-weight: 800;
    border: 0;
    box-shadow: 0 12px 24px rgba(214,0,0,0.20);
}
.header-register {
    min-width: 74px;
    flex: 0 0 auto;
}
.mobile-menu-trigger {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(214,0,0,0.14);
    background: #FFFFFF;
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}
.mobile-menu-trigger span {
    width: 20px;
    height: 2px;
    border-radius: 99px;
    background: #D60000;
}
.mega-mask,
.drawer-mask {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(23,26,34,0.24);
    z-index: 9990;
}
.mega-mask.is-open,
.drawer-mask.is-open {
    display: block;
}
.mega-panel {
    display: none;
    position: fixed;
    top: 76px;
    left: 50%;
    transform: translateX(-50%);
    width: min(1120px, calc(100% - 32px));
    background: rgba(255,255,255,0.98);
    border: 1px solid rgba(214,0,0,0.12);
    border-radius: 24px;
    box-shadow: 0 24px 60px rgba(26,38,56,0.14);
    z-index: 10000;
    padding: 22px;
}
.mega-panel.is-open {
    display: block;
}
.mega-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(214,0,0,0.10);
}
.mega-head strong {
    color: #D60000;
    font-size: 20px;
}
.mega-close,
.drawer-head button {
    width: 34px;
    height: 34px;
    border: 0;
    border-radius: 50%;
    background: #F4F6F8;
    color: #D60000;
    font-size: 22px;
    cursor: pointer;
}
.mega-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
    padding-top: 18px;
}
.mega-group {
    padding: 16px;
    border-radius: 18px;
    background: #F7F8FA;
    border: 1px solid rgba(214,0,0,0.08);
}
.mega-group h2 {
    font-size: 16px;
    margin-bottom: 10px;
}
.mega-link {
    display: block;
    padding: 10px 0;
    border-top: 1px solid rgba(32,36,42,0.06);
}
.mega-link:first-of-type {
    border-top: 0;
}
.mega-link span {
    display: block;
    color: #20242A;
    font-weight: 800;
    font-size: 15px;
}
.mega-link em {
    display: block;
    color: #8A94A3;
    font-size: 12px;
    font-style: normal;
    margin-top: 2px;
}
.mega-link:hover span,
.mega-link.active span {
    color: #D60000;
}
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: min(84vw, 320px);
    height: 100vh;
    background: #FFFFFF;
    z-index: 10001;
    transform: translateX(-104%);
    transition: transform .25s ease;
    box-shadow: 20px 0 45px rgba(26,38,56,0.16);
    overflow-y: auto;
}
.mobile-drawer.is-open {
    transform: translateX(0);
}
.drawer-open {
    overflow: hidden;
}
.drawer-head {
    position: sticky;
    top: 0;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 18px 14px;
    border-bottom: 1px solid rgba(214,0,0,0.10);
}
.drawer-logo img {
    max-height: 46px;
    width: auto;
}
.drawer-nav {
    padding: 14px 18px 24px;
    display: grid;
    gap: 8px;
}
.drawer-nav a {
    padding: 11px 12px;
    border-radius: 12px;
    color: #20242A;
    font-weight: 750;
    background: #F7F8FA;
}
.drawer-nav a.active,
.drawer-nav a:hover {
    color: #D60000;
    background: rgba(214,0,0,0.06);
}
.site-main {
    padding-top: 1px;
}
.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}
.banner-slider {
    max-width: 1180px;
    margin: 24px auto 34px;
    border-radius: 22px;
    background: #F7F8FA;
    box-shadow: 0 12px 30px rgba(26,38,56,0.08);
    overflow: hidden;
    position: relative;
    height: clamp(260px, 30vw, 380px);
}
.banner-track,
.banner-slide {
    height: 100%;
}
.banner-track {
    display: flex;
    transition: transform .38s ease;
}
.banner-slide {
    min-width: 100%;
    background: #F7F8FA;
}
.banner-slider img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #F7F8FA;
}
.banner-caption,
.banner-text,
.slide-title,
.slide-desc,
.slide-content,
.slide-card,
.banner-card {
    display: none !important;
}
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.78);
    background: rgba(255,255,255,0.78);
    color: #D60000;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(26,38,56,0.14);
}
.slider-arrow.prev { left: 16px; }
.slider-arrow.next { right: 16px; }
.slider-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 14px;
    display: flex;
    justify-content: center;
    gap: 8px;
}
.slider-dots button {
    width: 9px;
    height: 9px;
    border: 0;
    padding: 0;
    border-radius: 50%;
    background: rgba(214,0,0,0.28);
    cursor: pointer;
}
.slider-dots button.active {
    width: 26px;
    border-radius: 99px;
    background: #D60000;
}
.section {
    padding: 36px 0;
}
.section.soft {
    background: #F4F6F8;
}
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 22px;
}
.section-head h2 {
    font-size: clamp(24px, 3vw, 36px);
}
.section-head p {
    max-width: 620px;
}
.eyebrow {
    color: #D60000;
    font-weight: 900;
    letter-spacing: .06em;
    font-size: 13px;
    margin-bottom: 8px;
}
.hero-simple {
    margin: 28px auto 24px;
    border-radius: 28px;
    background: linear-gradient(180deg, #FFFFFF 0%, #F7F8FA 100%);
    border: 1px solid rgba(214,0,0,0.10);
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    gap: 28px;
    align-items: center;
    padding: clamp(24px, 4vw, 44px);
}
.hero-simple h1 {
    font-size: clamp(30px, 4.2vw, 52px);
    margin-bottom: 16px;
}
.hero-simple p {
    font-size: 17px;
    margin-bottom: 22px;
}
.hero-simple img {
    width: 100%;
    max-height: 300px;
    object-fit: contain;
    background: #F7F8FA;
    border-radius: 22px;
    border: 1px solid rgba(214,0,0,0.08);
}
.hero-actions {
    display: flex;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap;
}
.text-link {
    color: #D60000;
    font-weight: 800;
}
.grid-2,
.grid-3,
.grid-4,
.grid-5 {
    display: grid;
    gap: 18px;
}
.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)); }
.grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.card,
.zone-card,
.info-card,
.review-card,
.faq-card,
.notice-card,
.step-card,
.product-card {
    background: #FFFFFF;
    border: 1px solid rgba(214,0,0,0.10);
    box-shadow: 0 12px 30px rgba(26,38,56,0.08);
    border-radius: 22px;
    padding: 22px;
}
.card h3,
.zone-card h3,
.info-card h3,
.review-card h3,
.faq-card h3,
.notice-card h3,
.step-card h3,
.product-card h3 {
    color: #D60000;
    font-size: 20px;
    margin: 0 0 10px;
}
.card p,
.zone-card p,
.info-card p,
.review-card p,
.faq-card p,
.notice-card p,
.step-card p,
.product-card p {
    color: #5F6875;
}
.zone-card img,
.info-card img,
.content-img {
    max-width: 100%;
    height: auto;
    max-height: 240px;
    object-fit: contain;
    background: #F7F8FA;
    border-radius: 18px;
    margin-bottom: 16px;
}
.image-card,
.product-card {
    overflow: hidden;
}
.product-card {
    padding: 0;
}
.product-card img {
    width: 100%;
    height: 180px;
    object-fit: contain;
    background: #F7F8FA;
    border-bottom: 1px solid rgba(214,0,0,0.08);
}
.product-card .product-body {
    padding: 18px;
}
.tag-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 16px;
}
.tag-row span,
.mini-tag {
    color: #D60000;
    background: rgba(214,0,0,0.06);
    border: 1px solid rgba(214,0,0,0.12);
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
}
.split {
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    gap: 24px;
    align-items: center;
}
.split.reverse {
    grid-template-columns: 1.05fr .95fr;
}
.split img {
    width: 100%;
    max-height: 300px;
    object-fit: contain;
    background: #F7F8FA;
    border-radius: 22px;
    border: 1px solid rgba(214,0,0,0.08);
}
.split-copy h2 {
    font-size: clamp(24px, 3vw, 36px);
    margin-bottom: 14px;
}
.split-copy p + p {
    margin-top: 12px;
}
.check-list {
    display: grid;
    gap: 10px;
    margin-top: 18px;
}
.check-list li {
    position: relative;
    padding-left: 22px;
    color: #5F6875;
}
.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .72em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #D60000;
}
.review-card {
    position: relative;
}
.review-card::before {
    content: "“";
    position: absolute;
    right: 18px;
    top: 6px;
    font-size: 64px;
    color: rgba(214,0,0,0.10);
    line-height: 1;
}
.review-card strong {
    color: #20242A;
    display: block;
    margin-top: 14px;
}
.faq-list {
    display: grid;
    gap: 14px;
}
.faq-card h3 {
    font-size: 18px;
}
.notice-band {
    background: #FFFFFF;
    border: 1px solid rgba(214,0,0,0.12);
    border-radius: 24px;
    padding: 22px;
    box-shadow: var(--shadow);
}
.notice-band strong {
    color: #D60000;
}
.page-trail {
    margin: 22px 0 0;
    font-size: 14px;
    color: #8A94A3;
}
.page-trail a {
    color: #D60000;
    font-weight: 800;
}
.site-footer {
    background: #171A22;
    color: #E8EDF5;
    margin-top: 34px;
}
.footer-inner {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 42px 0 26px;
    display: grid;
    grid-template-columns: 1.1fr 1.8fr;
    gap: 34px;
}
.footer-logo img {
    max-height: 52px;
    width: auto;
    margin-bottom: 14px;
}
.footer-brand p,
.footer-reminder p {
    color: rgba(232,237,245,0.78);
}
.footer-app-link {
    display: inline-flex;
    margin-top: 16px;
    color: #FFFFFF;
    background: rgba(214,0,0,0.92);
    padding: 9px 16px;
    border-radius: 999px;
    font-weight: 800;
}
.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.footer-links h3 {
    color: #FFFFFF;
    margin: 0 0 12px;
    font-size: 16px;
}
.footer-links a {
    display: block;
    color: rgba(232,237,245,0.76);
    margin: 7px 0;
}
.footer-links a:hover {
    color: #FFFFFF;
}
.footer-reminder {
    border-top: 1px solid rgba(232,237,245,0.10);
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 18px 0 26px;
}
@media (max-width: 1024px) {
    .mega-grid { grid-template-columns: repeat(3, 1fr); }
    .grid-5 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .nav-core { gap: 15px; }
}
@media (max-width: 820px) {
    .header-inner {
        min-height: 68px;
        display: grid;
        grid-template-columns: 52px 1fr auto;
        gap: 10px;
        width: min(100% - 22px, 1180px);
    }
    .mobile-menu-trigger { display: inline-flex; }
    .nav-core,
    .all-menu-btn { display: none; }
    .logo { justify-self: center; }
    .logo img { max-height: 44px; }
    .header-action { justify-self: end; }
    .header-register {
        min-width: 66px;
        min-height: 38px;
        padding: 8px 16px;
    }
    .mega-panel { display: none !important; }
    .mega-mask { display: none !important; }
    .banner-slider {
        width: min(100% - 22px, 1180px);
        margin: 16px auto 24px;
        height: clamp(160px, 50vw, 220px);
        border-radius: 18px;
    }
    .slider-arrow {
        width: 34px;
        height: 34px;
        font-size: 22px;
    }
    .slider-arrow.prev { left: 10px; }
    .slider-arrow.next { right: 10px; }
    .section { padding: 28px 0; }
    .section-head { display: block; }
    .section-head p { margin-top: 10px; }
    .hero-simple,
    .split,
    .split.reverse,
    .footer-inner {
        grid-template-columns: 1fr;
    }
    .hero-simple {
        margin-top: 20px;
        padding: 22px;
    }
    .hero-simple img,
    .split img {
        max-height: 220px;
    }
    .grid-2,
    .grid-3,
    .grid-4,
    .grid-5,
    .footer-links {
        grid-template-columns: 1fr;
    }
    .product-card img {
        height: 150px;
    }
    .zone-card img,
    .info-card img,
    .content-img {
        max-height: 190px;
    }
}
@media (max-width: 420px) {
    .container { width: min(100% - 22px, 1180px); }
    .card,
    .zone-card,
    .info-card,
    .review-card,
    .faq-card,
    .notice-card,
    .step-card {
        padding: 18px;
    }
    .main-btn { padding: 9px 17px; }
    .hero-actions { align-items: stretch; }
    .hero-actions .main-btn { width: 100%; }
}