* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    background: #FFFFFF;
    color: #222222;
    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 {
    display: block;
    max-width: 100%;
    height: auto;
}
.container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255,255,255,0.94);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 24px rgba(16,43,106,0.08);
}
.topbar {
    height: 74px;
    display: flex;
    align-items: center;
    gap: 28px;
}
.brand-logo,
.mobile-logo,
.footer-logo {
    display: inline-flex;
    align-items: center;
}
.brand-logo img {
    width: 136px;
    max-height: 46px;
    object-fit: contain;
}
.nav-core {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}
.nav-core a {
    color: #102B6A;
    position: relative;
    font-weight: 600;
    padding: 10px 14px;
    border-radius: 999px;
    white-space: nowrap;
}
.nav-core a:hover,
.nav-core a.active {
    color: #E8212E;
    background: linear-gradient(135deg, rgba(232,33,46,0.06), rgba(30,99,214,0.08));
}
.nav-core a.active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -10px;
    width: 28px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, #E8212E, #1E63D6);
    transform: translateX(-50%);
}
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, #E8212E 0%, #D91838 42%, #1E63D6 100%);
    color: #FFFFFF;
    border-radius: 999px;
    box-shadow: 0 12px 26px rgba(232,33,46,0.22);
    padding: 11px 22px;
    font-weight: 700;
    border: 0;
    white-space: nowrap;
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(30,99,214,0.20);
}
.header-btn {
    flex: 0 0 auto;
}
.channel-bar {
    background: rgba(246,248,255,0.88);
    border-top: 1px solid rgba(30,99,214,0.10);
    border-bottom: 1px solid rgba(30,99,214,0.10);
    overflow-x: auto;
    white-space: nowrap;
}
.channel-scroll {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 46px;
    overflow-x: auto;
    scrollbar-width: none;
}
.channel-scroll::-webkit-scrollbar {
    display: none;
}
.channel-bar a {
    color: #5F6472;
    border-radius: 999px;
    padding: 7px 14px;
    font-size: 14px;
}
.channel-bar a:hover,
.channel-bar a.active {
    color: #E8212E;
    background: linear-gradient(135deg, rgba(232,33,46,0.08), rgba(30,99,214,0.08));
}
.mobile-topbar {
    display: none;
}
.menu-toggle {
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 14px;
    background: #F6F8FF;
    padding: 10px;
}
.menu-toggle span {
    display: block;
    height: 2px;
    margin: 5px 0;
    background: #102B6A;
    border-radius: 999px;
}
.drawer-mask {
    position: fixed;
    inset: 0;
    background: rgba(7,26,70,.42);
    opacity: 0;
    pointer-events: none;
    z-index: 110;
    transition: opacity .25s ease;
}
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 84vw;
    max-width: 320px;
    height: 100vh;
    background: #FFFFFF;
    z-index: 111;
    transform: translateX(-105%);
    transition: transform .25s ease;
    box-shadow: 20px 0 40px rgba(16,43,106,0.16);
    padding: 18px;
    overflow-y: auto;
}
.drawer-open .drawer-mask {
    opacity: 1;
    pointer-events: auto;
}
.drawer-open .mobile-drawer {
    transform: translateX(0);
}
.drawer-open {
    overflow: hidden;
}
.drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}
.drawer-head img,
.mobile-logo img,
.footer-logo img {
    width: 126px;
    max-height: 46px;
    object-fit: contain;
}
.drawer-close {
    border: 0;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #F6F8FF;
    color: #102B6A;
    font-size: 26px;
    line-height: 1;
}
.drawer-nav {
    display: grid;
    gap: 10px;
}
.drawer-nav a {
    display: block;
    padding: 12px 14px;
    border-radius: 14px;
    color: #102B6A;
    background: #F6F8FF;
    font-weight: 650;
}
.drawer-nav a.active,
.drawer-nav a:hover {
    color: #E8212E;
    background: #FFF3F4;
}
.floating-service {
    position: fixed;
    right: 18px;
    top: 42%;
    z-index: 60;
    display: grid;
    gap: 9px;
    width: 96px;
}
.floating-service a {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 38px;
    padding: 9px 10px;
    border-radius: 16px;
    background: #FFFFFF;
    color: #1E63D6;
    border: 1px solid rgba(30,99,214,0.14);
    box-shadow: 0 14px 30px rgba(16,43,106,0.10);
    font-size: 13px;
    font-weight: 700;
}
.floating-service a.register-link {
    background: linear-gradient(135deg, #E8212E 0%, #D91838 42%, #1E63D6 100%);
    color: #FFFFFF;
}
.mobile-bottom-nav {
    display: none;
}
main {
    padding-top: 120px;
}
.hero-section {
    background:
    radial-gradient(circle at 15% 20%, rgba(232,33,46,0.10) 0%, rgba(232,33,46,0) 30%),
    radial-gradient(circle at 88% 18%, rgba(30,99,214,0.14) 0%, rgba(30,99,214,0) 28%),
    linear-gradient(135deg, #FFFFFF 0%, #F6F8FF 52%, #F2F6FF 100%);
    padding: 78px 0 54px;
}
.hero-grid,
.inner-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
    gap: 42px;
    align-items: center;
}
.section-kicker,
.tag,
.label,
.num,
.badge {
    color: #E8212E;
    font-weight: 800;
    letter-spacing: .04em;
}
h1,
h2,
h3,
.section-title {
    color: #102B6A;
    line-height: 1.25;
    margin: 0 0 14px;
}
h1 {
    font-size: clamp(34px, 5vw, 58px);
    letter-spacing: -0.04em;
}
h2,
.section-title {
    font-size: clamp(26px, 3vw, 38px);
}
h3 {
    font-size: 20px;
}
p {
    margin: 0 0 16px;
    color: #5F6472;
}
.hero-lead {
    font-size: 17px;
    color: #323846;
    max-width: 680px;
}
.hero-actions {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    margin: 26px 0;
}
.text-link {
    color: #1E63D6;
    font-weight: 750;
}
.text-link:hover {
    color: #E8212E;
}
.hero-tags,
.service-tags,
.inline-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 0;
    margin: 0;
    list-style: none;
}
.hero-tags li,
.service-tags li,
.inline-list li {
    border-radius: 999px;
    background: rgba(255,255,255,.84);
    border: 1px solid rgba(30,99,214,0.12);
    color: #102B6A;
    padding: 9px 14px;
    font-weight: 700;
}
.visual-panel {
    position: relative;
    background: #FFFFFF;
    border: 1px solid rgba(30,99,214,0.12);
    border-radius: 32px;
    box-shadow: 0 24px 60px rgba(16,43,106,0.13);
    padding: 18px;
    overflow: hidden;
}
.visual-panel::before {
    content: "";
    position: absolute;
    inset: 14px;
    border-radius: 24px;
    border: 1px solid rgba(232,33,46,0.10);
    pointer-events: none;
}
.visual-panel img,
.content-img,
.zone-card img,
.app-section img,
.hero-visual img {
    width: 100%;
    max-width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 24px;
}
.hero-notes {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 30px;
}
.note-item,
.card,
.zone-card,
.info-card,
.review-card,
.question-item,
.notice-box,
.feature-box,
.timeline-item {
    background: #FFFFFF;
    border: 1px solid rgba(30,99,214,0.12);
    box-shadow: 0 16px 40px rgba(16,43,106,0.10);
    border-radius: 24px;
}
.note-item {
    padding: 18px;
}
.note-item strong {
    display: block;
    color: #102B6A;
    font-size: 18px;
    margin-bottom: 6px;
}
.section-pad {
    padding: 76px 0;
}
.section-head {
    max-width: 760px;
    margin-bottom: 30px;
}
.quick-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}
.quick-pill {
    padding: 20px;
    border-radius: 26px;
    background: linear-gradient(135deg, #FFFFFF 0%, #F6F8FF 100%);
    border: 1px solid rgba(30,99,214,0.12);
    box-shadow: 0 12px 32px rgba(16,43,106,0.08);
}
.quick-pill h3 {
    margin-bottom: 8px;
}
.quick-pill p {
    min-height: 56px;
}
.intro-strip {
    border-radius: 30px;
    background: linear-gradient(135deg, #F6F8FF 0%, #EEF4FF 70%, #FFF3F4 100%);
    padding: 28px 32px;
    border: 1px solid rgba(30,99,214,0.10);
}
.board-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}
.info-card {
    padding: 24px;
}
.info-card .num {
    display: inline-block;
    font-size: 28px;
    margin-bottom: 12px;
}
.two-col,
.content-grid,
.wall-grid,
.support-grid,
.review-grid,
.faq-grid,
.footer-grid,
.inner-content-grid {
    display: grid;
    gap: 24px;
}
.two-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
.content-grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
}
.wall-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
.support-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
.review-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
.faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
.inner-content-grid {
    grid-template-columns: minmax(0, 1fr) minmax(280px, .38fr);
}
.card,
.zone-card,
.review-card,
.question-item,
.feature-box,
.timeline-item {
    padding: 26px;
}
.card img,
.zone-card img {
    margin-bottom: 20px;
    background: #F6F8FF;
}
.card ul,
.feature-box ul,
.notice-box ul,
.inner-article ul {
    margin: 12px 0 0;
    padding-left: 18px;
    color: #5F6472;
}
.card li,
.feature-box li,
.notice-box li,
.inner-article li {
    margin: 8px 0;
}
.soft-bg {
    background: #F6F8FF;
}
.red-soft {
    background: #FFF3F4;
}
.blue-soft {
    background: #EEF4FF;
}
.notice-box {
    padding: 24px;
    background: linear-gradient(135deg, #071A46 0%, #102B6A 100%);
}
.notice-box h2,
.notice-box h3,
.notice-box p,
.notice-box li {
    color: #EAF0FF;
}
.inner-page {
    background: #FFFFFF;
}
.inner-hero {
    padding: 76px 0 54px;
    background:
    radial-gradient(circle at 18% 24%, rgba(232,33,46,0.09) 0%, rgba(232,33,46,0) 28%),
    radial-gradient(circle at 82% 16%, rgba(47,139,255,0.13) 0%, rgba(47,139,255,0) 30%),
    linear-gradient(135deg, #FFFFFF 0%, #F6F8FF 100%);
}
.inner-article {
    padding: 74px 0;
}
.prose {
    background: #FFFFFF;
    border: 1px solid rgba(30,99,214,0.10);
    border-radius: 28px;
    padding: 30px;
    box-shadow: 0 16px 40px rgba(16,43,106,0.08);
}
.prose h2 {
    margin-top: 8px;
}
.prose h3 {
    margin-top: 24px;
}
.side-stack {
    display: grid;
    gap: 18px;
    align-self: start;
    position: sticky;
    top: 145px;
}
.side-stack .feature-box {
    background: linear-gradient(135deg, #F6F8FF, #FFFFFF);
}
.check-list {
    display: grid;
    gap: 12px;
    list-style: none;
    margin: 18px 0;
    padding: 0;
}
.check-list li {
    padding: 13px 16px;
    border-radius: 18px;
    background: #F6F8FF;
    color: #323846;
}
.review-card p,
.question-item p {
    margin-bottom: 0;
}
.review-card strong {
    color: #102B6A;
    display: block;
    margin-bottom: 10px;
}
.question-item h3 {
    color: #102B6A;
}
.site-footer {
    background: #071A46;
    color: #EAF0FF;
    padding: 54px 0 28px;
}
.site-footer p,
.site-footer a {
    color: #EAF0FF;
}
.site-footer a {
    display: block;
    margin: 8px 0;
    opacity: .88;
}
.site-footer a:hover {
    color: #FFFFFF;
    opacity: 1;
}
.footer-grid {
    grid-template-columns: 1.4fr repeat(3, 1fr);
}
.footer-brand p {
    max-width: 360px;
}
.footer-note {
    border-top: 1px solid rgba(234,240,255,0.14);
    margin-top: 26px;
    padding-top: 22px;
    font-size: 14px;
}
.footer-note p {
    margin-bottom: 8px;
}
@media (max-width: 1100px) {
    .floating-service {
        display: none;
    }
    .quick-grid,
    .board-grid,
    .wall-grid,
    .support-grid,
    .review-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .hero-grid,
    .inner-grid,
    .content-grid,
    .inner-content-grid {
        grid-template-columns: 1fr;
    }
    .side-stack {
        position: static;
    }
}
@media (max-width: 760px) {
    .container {
        width: min(100% - 28px, 1180px);
    }
    main {
        padding-top: 74px;
        padding-bottom: 74px;
    }
    .topbar,
    .channel-bar {
        display: none;
    }
    .mobile-topbar {
        height: 70px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
    }
    .mobile-logo img {
        width: 118px;
    }
    .header-btn {
        padding: 9px 14px;
        font-size: 13px;
    }
    .hero-section,
    .inner-hero {
        padding: 42px 0 34px;
    }
    .hero-notes,
    .quick-grid,
    .board-grid,
    .two-col,
    .wall-grid,
    .support-grid,
    .review-grid,
    .faq-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .section-pad,
    .inner-article {
        padding: 46px 0;
    }
    .visual-panel {
        border-radius: 22px;
        padding: 12px;
    }
    .card,
    .zone-card,
    .review-card,
    .question-item,
    .feature-box,
    .timeline-item,
    .prose {
        padding: 20px;
    }
    .intro-strip {
        padding: 22px;
    }
    .mobile-bottom-nav {
        position: fixed;
        left: 12px;
        right: 12px;
        bottom: 12px;
        z-index: 90;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 6px;
        background: rgba(255,255,255,.96);
        border: 1px solid rgba(30,99,214,0.12);
        box-shadow: 0 14px 34px rgba(16,43,106,0.16);
        border-radius: 22px;
        padding: 8px;
        backdrop-filter: blur(12px);
    }
    .mobile-bottom-nav a {
        text-align: center;
        border-radius: 16px;
        padding: 9px 4px;
        color: #102B6A;
        font-weight: 700;
        font-size: 13px;
    }
    .mobile-bottom-nav a.active,
    .mobile-bottom-nav a:hover {
        color: #FFFFFF;
        background: linear-gradient(135deg, #E8212E 0%, #D91838 42%, #1E63D6 100%);
    }
}
