* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: #F4F5F7;
    color: #1D222B;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}

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

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

.container {
    width: min(1180px, calc(100% - 36px));
    margin: 0 auto;
}

.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(20,28,40,0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 72px;
}

.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;
    min-width: 0;
}

.nav-core a {
    color: #1D222B;
    font-weight: 700;
    position: relative;
    padding: 8px 4px;
    transition: color .2s ease, background .2s ease;
}

.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%);
}

.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, #FF3030 0%, #D60000 52%, #980000 100%);
    color: #FFFFFF;
    border-radius: 999px;
    padding: 10px 22px;
    font-weight: 800;
    border: 0;
    box-shadow: 0 12px 24px rgba(214, 0, 0, .2);
    transition: transform .2s ease, box-shadow .2s ease;
}

.main-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 30px rgba(214, 0, 0, .24);
}

.header-register {
    flex: 0 0 auto;
    min-width: 78px;
}

.channel-bar {
    background: #FFFFFF;
    border-top: 1px solid rgba(20,28,40,0.04);
    border-bottom: 1px solid rgba(20,28,40,0.08);
    overflow-x: auto;
    white-space: nowrap;
}

.channel-bar::-webkit-scrollbar {
    height: 0;
}

.channel-scroll {
    display: flex;
    align-items: center;
    gap: 6px;
    min-height: 45px;
    overflow-x: auto;
    scrollbar-width: none;
}

.channel-scroll::-webkit-scrollbar {
    height: 0;
}

.channel-bar a {
    display: inline-flex;
    align-items: center;
    color: #5B6472;
    padding: 7px 13px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 650;
    flex: 0 0 auto;
}

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

.mobile-menu-btn {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(20,28,40,0.08);
    background: #FFFFFF;
    border-radius: 14px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
}

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

.site-main {
    padding-top: 139px;
}

.floating-service {
    position: fixed;
    right: 18px;
    top: 42%;
    z-index: 90;
    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-weight: 750;
    font-size: 13px;
    text-align: center;
}

.floating-service a:hover {
    color: #D60000;
}

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

.drawer-mask {
    position: fixed;
    inset: 0;
    background: rgba(17, 21, 28, .48);
    z-index: 120;
    opacity: 0;
    pointer-events: none;
    transition: opacity .22s ease;
}

.mobile-drawer {
    position: fixed;
    z-index: 130;
    left: 0;
    top: 0;
    bottom: 0;
    width: 84vw;
    max-width: 320px;
    background: #FFFFFF;
    transform: translateX(-102%);
    transition: transform .25s ease;
    box-shadow: 18px 0 42px rgba(17, 21, 28, .18);
    display: flex;
    flex-direction: column;
}

.drawer-open {
    overflow: hidden;
}

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

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

.drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 18px;
    border-bottom: 1px solid rgba(20,28,40,0.08);
}

.drawer-logo img {
    max-height: 42px;
    width: auto;
}

.drawer-close {
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 50%;
    background: #EEF1F5;
    color: #1D222B;
    font-size: 22px;
    line-height: 1;
}

.drawer-links {
    padding: 12px 14px;
    overflow-y: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.drawer-links a {
    padding: 10px 12px;
    border-radius: 14px;
    color: #1D222B;
    background: #F4F5F7;
    font-weight: 650;
    font-size: 14px;
}

.drawer-links a.active {
    background: rgba(214,0,0,0.09);
    color: #D60000;
}

.drawer-register {
    margin: 16px 18px 22px;
}

.section {
    padding: 48px 0;
}

.section-soft {
    background: #EEF1F5;
}

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

.section-head p {
    max-width: 620px;
    margin: 8px 0 0;
    color: #5B6472;
}

.eyebrow {
    margin: 0 0 8px;
    color: #D60000;
    font-weight: 800;
    letter-spacing: .04em;
    font-size: 14px;
}

h1,
h2,
h3,
.section-title {
    color: #D60000;
    line-height: 1.28;
}

h1 {
    font-size: clamp(30px, 4vw, 48px);
    margin: 0 0 16px;
}

h2 {
    font-size: clamp(24px, 2.7vw, 34px);
    margin: 0;
}

h3 {
    font-size: 20px;
    margin: 0 0 10px;
}

p {
    margin: 0 0 14px;
}

.muted {
    color: #5B6472;
}

.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;
    min-height: 260px;
    height: clamp(260px, 30vw, 360px);
    max-height: 360px;
}

.banner-track,
.banner-slide {
    position: absolute;
    inset: 0;
}

.banner-slide {
    opacity: 0;
    transition: opacity .45s ease;
    background: #EEF1F5;
}

.banner-slide.active {
    opacity: 1;
    z-index: 1;
}

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

.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%);
    z-index: 3;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid rgba(20,28,40,0.08);
    background: rgba(255,255,255,.9);
    color: #D60000;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(24,32,46,0.1);
}

.slider-prev {
    left: 16px;
}

.slider-next {
    right: 16px;
}

.slider-prev::before {
    content: "‹";
    font-size: 34px;
    line-height: 34px;
}

.slider-next::before {
    content: "›";
    font-size: 34px;
    line-height: 34px;
}

.slider-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 14px;
    z-index: 3;
    display: flex;
    justify-content: center;
    gap: 8px;
}

.slider-dot {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    border: 0;
    background: rgba(29,34,43,.28);
    padding: 0;
    cursor: pointer;
}

.slider-dot.active {
    width: 28px;
    background: #D60000;
}

.brand-entry {
    display: grid;
    grid-template-columns: 1.12fr .88fr;
    gap: 28px;
    align-items: center;
}

.panel {
    background: #FFFFFF;
    border: 1px solid rgba(20, 28, 40, 0.08);
    box-shadow: 0 16px 38px rgba(24, 32, 46, 0.08);
    border-radius: 24px;
    padding: 28px;
    position: relative;
    overflow: hidden;
}

.panel::before {
    content: "";
    position: absolute;
    left: 28px;
    top: 0;
    width: 52px;
    height: 4px;
    border-radius: 999px;
    background: #D60000;
}

.panel p {
    color: #5B6472;
}

.hero-actions,
.action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

.ghost-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 18px;
    border-radius: 999px;
    border: 1px solid rgba(214,0,0,0.16);
    color: #D60000;
    font-weight: 800;
    background: #FFFFFF;
}

.image-frame {
    background: #EEF1F5;
    border-radius: 24px;
    border: 1px solid rgba(20,28,40,0.08);
    overflow: hidden;
    box-shadow: 0 16px 38px rgba(24,32,46,0.08);
}

.image-frame img {
    width: 100%;
    height: 280px;
    object-fit: contain;
    background: #EEF1F5;
    padding: 10px;
}

.news-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-top: 18px;
}

.news-item {
    background: #FFFFFF;
    border-left: 4px solid #D60000;
    border-radius: 18px;
    padding: 18px;
    box-shadow: 0 12px 26px rgba(24,32,46,0.06);
}

.news-item strong {
    display: block;
    color: #1D222B;
    margin-bottom: 6px;
}

.news-item span {
    display: block;
    color: #5B6472;
    font-size: 14px;
    line-height: 1.65;
}

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

.board-card,
.card,
.zone-card,
.info-card,
.review-card,
.faq-card,
.product-card,
.notice-card {
    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;
}

.board-card {
    padding: 24px;
}

.board-card .number {
    display: inline-flex;
    width: 34px;
    height: 34px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(214,0,0,0.08);
    color: #D60000;
    font-weight: 900;
    margin-bottom: 12px;
}

.feature-grid {
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    gap: 20px;
    align-items: stretch;
}

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

.feature-mini {
    padding: 18px;
    border-radius: 18px;
    background: #FFFFFF;
    border: 1px solid rgba(20,28,40,0.08);
}

.feature-mini h3 {
    color: #1D222B;
}

.feature-mini p {
    color: #5B6472;
}

.zone-card {
    overflow: hidden;
}

.zone-card img,
.info-card img,
.content-img {
    max-width: 100%;
    height: auto;
    max-height: 230px;
    object-fit: contain;
}

.zone-card img {
    width: 100%;
    height: 230px;
    background: #EEF1F5;
    padding: 10px;
}

.zone-card .zone-body {
    padding: 22px;
}

.product-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.product-card {
    padding: 16px;
}

.product-card img {
    width: 100%;
    height: 150px;
    object-fit: contain;
    background: #EEF1F5;
    border-radius: 16px;
    padding: 8px;
    margin-bottom: 12px;
}

.product-card h3 {
    color: #1D222B;
    font-size: 18px;
}

.product-card p {
    color: #5B6472;
    font-size: 14px;
}

.matrix-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.app-split,
.notice-split,
.support-split,
.about-split,
.inner-hero-grid {
    display: grid;
    grid-template-columns: 1fr .92fr;
    gap: 24px;
    align-items: center;
}

.check-list {
    display: grid;
    gap: 10px;
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 22px;
    color: #5B6472;
}

.check-list li::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #D60000;
    position: absolute;
    left: 0;
    top: 12px;
}

.notice-list {
    display: grid;
    gap: 12px;
}

.notice-card {
    padding: 18px 20px;
    border-left: 4px solid rgba(214,0,0,0.55);
}

.review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.review-card {
    padding: 20px;
}

.review-card strong {
    display: block;
    color: #D60000;
    margin-bottom: 8px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.faq-card {
    padding: 20px;
}

.faq-card h3 {
    color: #1D222B;
}

.reminder-band {
    border-radius: 24px;
    background: #11151C;
    color: #E7ECF3;
    padding: 28px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.reminder-band h2,
.reminder-band h3 {
    color: #FFFFFF;
}

.reminder-band p,
.reminder-band li {
    color: #C9D1DC;
}

.inner-hero {
    padding: 36px 0 36px;
}

.inner-hero-grid {
    min-height: 300px;
}

.inner-hero .panel {
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.breadcrumb {
    margin-bottom: 12px;
    color: #87909E;
    font-size: 14px;
}

.breadcrumb a {
    color: #5B6472;
}

.content-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 20px;
}

.text-card {
    padding: 24px;
    background: #FFFFFF;
    border-radius: 20px;
    border: 1px solid rgba(20,28,40,0.08);
    box-shadow: 0 16px 38px rgba(24,32,46,0.08);
}

.point-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.point-card {
    padding: 22px;
    background: #FFFFFF;
    border-radius: 20px;
    border: 1px solid rgba(20,28,40,0.08);
    box-shadow: 0 16px 38px rgba(24,32,46,0.08);
}

.point-card span {
    color: #D60000;
    font-weight: 900;
}

.columns-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.site-footer {
    background: #11151C;
    color: #E7ECF3;
    margin-top: 50px;
    padding: 48px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr .7fr .7fr 1fr;
    gap: 28px;
}

.footer-logo img {
    max-height: 46px;
    width: auto;
    margin-bottom: 14px;
}

.footer-brand p,
.footer-note p {
    color: #C9D1DC;
    margin: 0;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links h3,
.footer-note h3 {
    color: #FFFFFF;
    margin-bottom: 8px;
}

.footer-links a {
    color: #C9D1DC;
}

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

.footer-btn {
    margin-top: 16px;
}

.footer-bottom {
    margin-top: 28px;
    padding-top: 18px;
    border-top: 1px solid rgba(255,255,255,.12);
    display: flex;
    justify-content: space-between;
    gap: 18px;
    color: #AEB8C5;
    font-size: 13px;
}

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

.register-note {
    font-size: 13px;
    color: #87909E;
    margin-top: 10px;
}

.service-table {
    display: grid;
    gap: 10px;
}

.service-row {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 12px;
    padding: 14px 16px;
    background: #FFFFFF;
    border-radius: 16px;
    border: 1px solid rgba(20,28,40,0.08);
}

.service-row strong {
    color: #D60000;
}

@media (max-width: 1060px) {
    .product-row {
        grid-template-columns: repeat(3, 1fr);
    }
    .matrix-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .news-strip {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 780px) {
    body {
        padding-bottom: 70px;
    }
    .container {
        width: min(100% - 26px, 1180px);
    }
    .header-inner {
        min-height: 64px;
        gap: 12px;
    }
    .mobile-menu-btn {
        display: inline-flex;
        flex: 0 0 auto;
    }
    .logo {
        flex: 1 1 auto;
        display: flex;
        justify-content: center;
    }
    .logo img {
        max-height: 42px;
    }
    .nav-core {
        display: none;
    }
    .header-register {
        padding: 8px 14px;
        min-width: 64px;
        font-size: 14px;
    }
    .site-main {
        padding-top: 111px;
    }
    .channel-scroll {
        min-height: 42px;
    }
    .channel-bar a {
        padding: 6px 11px;
        font-size: 13px;
    }
    .floating-service {
        display: none;
    }
    .banner-slider {
        margin: 14px auto 22px;
        border-radius: 18px;
        min-height: 150px;
        height: clamp(150px, 46vw, 210px);
        max-height: 210px;
    }
    .slider-arrow {
        width: 34px;
        height: 34px;
    }
    .slider-prev {
        left: 10px;
    }
    .slider-next {
        right: 10px;
    }
    .slider-dots {
        bottom: 10px;
    }
    .section {
        padding: 34px 0;
    }
    .section-head {
        display: block;
        margin-bottom: 18px;
    }
    .brand-entry,
    .feature-grid,
    .app-split,
    .notice-split,
    .support-split,
    .about-split,
    .inner-hero-grid,
    .content-grid,
    .reminder-band {
        grid-template-columns: 1fr;
    }
    .panel {
        padding: 23px;
        border-radius: 20px;
    }
    .image-frame img {
        height: 210px;
    }
    .news-strip,
    .board-grid,
    .review-grid,
    .faq-grid,
    .point-grid,
    .columns-2 {
        grid-template-columns: 1fr;
    }
    .product-row,
    .matrix-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .product-card {
        padding: 12px;
    }
    .product-card img {
        height: 118px;
    }
    .zone-card img {
        height: 185px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        display: grid;
    }
    .service-row {
        grid-template-columns: 1fr;
    }
    .mobile-bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 110;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        background: #FFFFFF;
        border-top: 1px solid rgba(20,28,40,0.1);
        box-shadow: 0 -8px 22px rgba(24,32,46,0.08);
    }
    .mobile-bottom-nav a {
        min-height: 58px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #5B6472;
        font-weight: 800;
        font-size: 13px;
    }
    .mobile-bottom-nav a.active {
        color: #D60000;
    }
}

@media (max-width: 460px) {
    .product-row,
    .matrix-grid {
        grid-template-columns: 1fr;
    }
    .drawer-links {
        grid-template-columns: 1fr;
    }
    h1 {
        font-size: 28px;
    }
    .main-btn,
    .ghost-btn {
        width: auto;
    }
}