* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: #F4F5F7;
    color: #1D222B;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.72;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 90;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(20,28,40,0.08);
}

.header-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 22px;
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    flex: 0 0 auto;
}

.logo img {
    max-height: 52px;
    width: auto;
    display: block;
}

.nav-core {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 22px;
    white-space: nowrap;
    flex-wrap: nowrap;
    flex: 1 1 auto;
}

.nav-core a {
    color: #1D222B;
    font-weight: 700;
    position: relative;
    padding: 7px 6px;
    border-radius: 999px;
}

.nav-core a:hover,
.nav-core a.active {
    color: #D60000;
}

.nav-core a.active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -10px;
    width: 22px;
    height: 3px;
    border-radius: 999px;
    background: #D60000;
    transform: translateX(-50%);
}

.register-btn,
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 22px;
    border-radius: 999px;
    background: linear-gradient(135deg, #FF3030 0%, #D60000 52%, #980000 100%);
    color: #FFFFFF;
    font-weight: 800;
    box-shadow: 0 12px 28px rgba(214,0,0,0.22);
    white-space: nowrap;
}

.register-btn:hover,
.main-btn:hover {
    transform: translateY(-1px);
}

.channel-bar {
    background: #FFFFFF;
    border-bottom: 1px solid rgba(20,28,40,0.08);
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
}

.channel-bar::-webkit-scrollbar {
    display: none;
}

.channel-scroll {
    max-width: 1180px;
    margin: 0 auto;
    padding: 8px 18px;
}

.channel-bar a {
    display: inline-flex;
    align-items: center;
    color: #5B6472;
    padding: 8px 14px;
    margin-right: 4px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
}

.channel-bar a:hover,
.channel-bar a.active {
    color: #D60000;
    background: rgba(214,0,0,0.08);
}

.site-main {
    padding-top: 132px;
}

.container,
.section {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 22px;
}

.section {
    margin-bottom: 34px;
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 18px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    color: #D60000;
    font-weight: 800;
    letter-spacing: .08em;
    font-size: 13px;
}

.eyebrow::before {
    content: "";
    width: 24px;
    height: 3px;
    background: #D60000;
    border-radius: 999px;
}

h1,
h2,
h3,
.section-title {
    color: #D60000;
    line-height: 1.25;
    margin: 0;
}

h1 {
    font-size: clamp(30px, 4.2vw, 52px);
}

h2 {
    font-size: clamp(24px, 3vw, 34px);
}

h3 {
    font-size: 19px;
}

p {
    margin: 0;
    color: #5B6472;
}

.lead {
    font-size: 17px;
    color: #3B4350;
}

.muted {
    color: #87909E;
}

.card,
.zone-card,
.info-card,
.review-card,
.page-card,
.notice-card,
.faq-item {
    background: #FFFFFF;
    border: 1px solid rgba(20, 28, 40, 0.08);
    box-shadow: 0 16px 38px rgba(24, 32, 46, 0.08);
    border-radius: 20px;
}

.banner-slider {
    max-width: 1180px;
    margin: 24px auto 34px;
    border-radius: 24px;
    background: #EEF1F5;
    box-shadow: 0 16px 38px rgba(24,32,46,0.08);
    overflow: hidden;
    position: relative;
    height: clamp(260px, 30vw, 360px);
}

.slider-track {
    display: flex;
    height: 100%;
    transition: transform .55s ease;
}

.slider-slide {
    min-width: 100%;
    height: 100%;
    background: #EEF1F5;
}

.banner-slider img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #EEF1F5;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.88);
    color: #D60000;
    font-size: 26px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(24,32,46,0.12);
}

.slider-arrow.prev {
    left: 16px;
}

.slider-arrow.next {
    right: 16px;
}

.slider-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.slider-dots button {
    width: 9px;
    height: 9px;
    border: 0;
    border-radius: 999px;
    padding: 0;
    background: rgba(29,34,43,0.28);
    cursor: pointer;
}

.slider-dots button.active {
    width: 24px;
    background: #D60000;
}

.banner-caption,
.banner-text,
.slide-title,
.slide-desc,
.slide-content,
.slide-card,
.banner-card {
    display: none !important;
}

.hero-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(260px, .95fr);
    gap: 28px;
    align-items: center;
    padding: 28px;
    background:
        linear-gradient(120deg, rgba(255,255,255,0.94), rgba(238,241,245,0.72)),
        repeating-linear-gradient(135deg, rgba(221,226,234,0.55) 0 1px, transparent 1px 18px);
    border: 1px solid rgba(20,28,40,0.08);
    border-radius: 26px;
    box-shadow: 0 16px 38px rgba(24,32,46,0.08);
}

.hero-panel .hero-copy {
    display: grid;
    gap: 16px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.text-link {
    color: #D60000;
    font-weight: 800;
}

.hero-media,
.page-hero-media,
.feature-media {
    background: #EEF1F5;
    border-radius: 22px;
    border: 1px solid rgba(20,28,40,0.08);
    overflow: hidden;
}

.hero-media img,
.page-hero-media img,
.feature-media img {
    width: 100%;
    height: 260px;
    object-fit: contain;
    background: #EEF1F5;
}

.news-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0,1fr));
    gap: 12px;
}

.news-item {
    position: relative;
    padding: 18px 18px 18px 48px;
    background: #FFFFFF;
    border: 1px solid rgba(214,0,0,0.16);
    border-radius: 18px;
}

.news-item::before {
    content: "";
    position: absolute;
    left: 18px;
    top: 24px;
    width: 14px;
    height: 14px;
    border: 4px solid rgba(214,0,0,0.18);
    background: #D60000;
    border-radius: 50%;
}

.dashboard-grid,
.three-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 18px;
}

.info-card {
    padding: 24px;
    display: grid;
    gap: 12px;
}

.info-card .num {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: rgba(214,0,0,0.08);
    color: #D60000;
    display: grid;
    place-items: center;
    font-weight: 900;
}

.feature-block {
    display: grid;
    grid-template-columns: minmax(270px, .92fr) minmax(0,1.08fr);
    gap: 24px;
    align-items: center;
    padding: 24px;
}

.feature-copy {
    display: grid;
    gap: 14px;
}

.feature-list {
    display: grid;
    gap: 10px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.feature-list li {
    padding-left: 18px;
    position: relative;
    color: #5B6472;
}

.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 12px;
    width: 7px;
    height: 7px;
    background: #D60000;
    border-radius: 50%;
}

.horizontal-cards,
.product-matrix,
.review-grid,
.faq-grid,
.page-grid {
    display: grid;
    gap: 18px;
}

.horizontal-cards {
    grid-template-columns: repeat(4, minmax(0,1fr));
}

.product-matrix {
    grid-template-columns: repeat(3, minmax(0,1fr));
}

.zone-card,
.product-card {
    padding: 16px;
}

.zone-card img,
.info-card img,
.content-img,
.product-card img {
    max-width: 100%;
    height: 150px;
    object-fit: contain;
    background: #EEF1F5;
    border-radius: 14px;
    margin-bottom: 14px;
}

.product-card img {
    width: 100%;
    height: 160px;
}

.support-split {
    display: grid;
    grid-template-columns: minmax(0,1fr) minmax(0,1fr);
    gap: 18px;
}

.notice-card {
    padding: 24px;
}

.notice-list {
    display: grid;
    gap: 12px;
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
}

.notice-list li {
    background: #EEF1F5;
    border-radius: 14px;
    padding: 13px 15px;
    color: #5B6472;
}

.review-grid {
    grid-template-columns: repeat(3, minmax(0,1fr));
}

.review-card {
    padding: 22px;
}

.review-card strong {
    display: block;
    color: #1D222B;
    margin-bottom: 8px;
}

.faq-grid {
    grid-template-columns: repeat(2, minmax(0,1fr));
}

.faq-item {
    padding: 22px;
}

.faq-item h3 {
    margin-bottom: 8px;
}

.about-mini {
    padding: 26px;
    background:
        linear-gradient(135deg, rgba(255,255,255,0.98), rgba(238,241,245,0.86)),
        linear-gradient(90deg, transparent, rgba(214,0,0,0.04));
    border: 1px solid rgba(20,28,40,0.08);
    border-radius: 24px;
}

.page-hero {
    display: grid;
    grid-template-columns: minmax(0,1fr) minmax(260px, .82fr);
    gap: 26px;
    align-items: center;
    margin-bottom: 28px;
    padding: 28px;
    background:
        linear-gradient(120deg, rgba(255,255,255,0.96), rgba(238,241,245,0.76)),
        repeating-linear-gradient(135deg, rgba(221,226,234,0.45) 0 1px, transparent 1px 16px);
    border: 1px solid rgba(20,28,40,0.08);
    border-radius: 26px;
    box-shadow: 0 16px 38px rgba(24,32,46,0.08);
}

.page-hero-copy {
    display: grid;
    gap: 14px;
}

.page-grid {
    grid-template-columns: repeat(3, minmax(0,1fr));
}

.page-card {
    padding: 22px;
}

.page-card h2,
.page-card h3 {
    font-size: 21px;
    margin-bottom: 10px;
}

.page-band {
    padding: 24px;
    border-radius: 24px;
    background: #FFFFFF;
    border: 1px solid rgba(20,28,40,0.08);
    box-shadow: 0 16px 38px rgba(24,32,46,0.08);
    display: grid;
    gap: 14px;
}

.page-band ul {
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
    list-style: none;
}

.page-band li {
    padding: 12px 14px;
    border-radius: 14px;
    background: #EEF1F5;
    color: #5B6472;
}

.floating-service {
    position: fixed;
    right: 18px;
    top: 42%;
    z-index: 50;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.floating-service a {
    background: #FFFFFF;
    color: #1D222B;
    border: 1px solid rgba(20,28,40,0.08);
    box-shadow: 0 12px 30px rgba(24,32,46,0.08);
    border-radius: 999px;
    padding: 9px 12px;
    font-size: 14px;
    font-weight: 800;
}

.floating-service a.register-link {
    background: linear-gradient(135deg, #FF3030 0%, #D60000 52%, #980000 100%);
    color: #FFFFFF;
}

.mobile-menu-btn {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(20,28,40,0.08);
    background: #FFFFFF;
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}

.mobile-menu-btn span {
    width: 18px;
    height: 2px;
    background: #1D222B;
    border-radius: 999px;
}

.drawer-mask {
    position: fixed;
    inset: 0;
    z-index: 120;
    background: rgba(17,21,28,0.42);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
}

.mobile-drawer {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 84vw;
    max-width: 320px;
    z-index: 130;
    background: #FFFFFF;
    transform: translateX(-104%);
    transition: transform .28s ease;
    overflow-y: auto;
    box-shadow: 16px 0 40px rgba(24,32,46,0.18);
}

.drawer-open {
    overflow: hidden;
}

.drawer-open .drawer-mask {
    opacity: 1;
    pointer-events: auto;
}

.drawer-open .mobile-drawer {
    transform: translateX(0);
}

.drawer-head {
    min-height: 70px;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(20,28,40,0.08);
}

.drawer-head img {
    max-height: 46px;
    width: auto;
}

.drawer-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(20,28,40,0.08);
    background: #F4F5F7;
    color: #1D222B;
    font-size: 24px;
    line-height: 1;
}

.drawer-links {
    padding: 14px;
    display: grid;
    gap: 7px;
}

.drawer-links a {
    padding: 12px 14px;
    border-radius: 14px;
    color: #1D222B;
    font-weight: 700;
    background: #F4F5F7;
}

.drawer-links a.active {
    color: #D60000;
    background: rgba(214,0,0,0.08);
}

.mobile-bottom-nav {
    display: none;
}

.site-footer {
    background: #11151C;
    color: #E7ECF3;
    margin-top: 46px;
}

.footer-wrap {
    max-width: 1180px;
    margin: 0 auto;
    padding: 38px 22px;
    display: grid;
    grid-template-columns: minmax(0,1.05fr) minmax(0,1.4fr);
    gap: 34px;
}

.footer-brand img {
    max-height: 52px;
    width: auto;
    margin-bottom: 14px;
}

.footer-brand p,
.footer-bottom span {
    color: #C4CAD4;
}

.footer-note {
    margin-top: 10px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 18px;
}

.footer-links h3 {
    color: #FFFFFF;
    margin-bottom: 12px;
}

.footer-links a {
    display: block;
    color: #C4CAD4;
    margin-bottom: 9px;
}

.footer-links a:hover {
    color: #FFFFFF;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.09);
    max-width: 1180px;
    margin: 0 auto;
    padding: 18px 22px 24px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

@media (max-width: 980px) {
    .news-strip,
    .horizontal-cards,
    .product-matrix {
        grid-template-columns: repeat(2, minmax(0,1fr));
    }

    .dashboard-grid,
    .three-grid,
    .page-grid {
        grid-template-columns: repeat(2, minmax(0,1fr));
    }

    .footer-wrap {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    body {
        padding-bottom: 70px;
    }

    .site-main {
        padding-top: 116px;
    }

    .header-inner {
        min-height: 64px;
        padding: 0 14px;
        gap: 12px;
    }

    .mobile-menu-btn {
        display: inline-flex;
        flex: 0 0 auto;
    }

    .nav-core {
        display: none;
    }

    .logo {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }

    .logo img {
        max-height: 44px;
    }

    .register-btn {
        min-height: 38px;
        padding: 0 16px;
        margin-left: auto;
    }

    .channel-scroll {
        padding: 7px 10px;
    }

    .channel-bar a {
        padding: 7px 11px;
        font-size: 13px;
    }

    .floating-service {
        display: none;
    }

    .banner-slider {
        margin: 14px 12px 24px;
        height: clamp(150px, 50vw, 210px);
        border-radius: 16px;
    }

    .slider-arrow {
        width: 34px;
        height: 34px;
        font-size: 21px;
    }

    .slider-arrow.prev {
        left: 8px;
    }

    .slider-arrow.next {
        right: 8px;
    }

    .container,
    .section {
        padding: 0 14px;
    }

    .section {
        margin-bottom: 26px;
    }

    .section-head {
        display: grid;
        gap: 8px;
    }

    .hero-panel,
    .feature-block,
    .page-hero,
    .support-split {
        grid-template-columns: 1fr;
        padding: 18px;
        gap: 18px;
    }

    .hero-media img,
    .page-hero-media img,
    .feature-media img {
        height: 190px;
    }

    .news-strip,
    .dashboard-grid,
    .three-grid,
    .horizontal-cards,
    .product-matrix,
    .review-grid,
    .faq-grid,
    .page-grid {
        grid-template-columns: 1fr;
    }

    .zone-card img,
    .info-card img,
    .content-img,
    .product-card img {
        height: 138px;
    }

    .mobile-bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 100;
        display: grid;
        grid-template-columns: repeat(4,1fr);
        background: #FFFFFF;
        border-top: 1px solid rgba(20,28,40,0.08);
        box-shadow: 0 -8px 22px rgba(24,32,46,0.08);
    }

    .mobile-bottom-nav a {
        padding: 10px 4px 9px;
        text-align: center;
        color: #5B6472;
        font-size: 13px;
        font-weight: 800;
    }

    .mobile-bottom-nav a::before {
        content: "•";
        display: block;
        line-height: 1;
        font-size: 16px;
        color: #DDE2EA;
    }

    .mobile-bottom-nav a.active {
        color: #D60000;
    }

    .mobile-bottom-nav a.active::before {
        color: #D60000;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        display: grid;
    }
}