:root {
    --brand: rgb(89, 126, 247);
    --brand-hex: #597EF7;
    --brand-dark: #1D2B5F;
    --text: #222222;
    --muted: #5B647A;
    --soft: #ECF0FF;
    --soft-2: #F6F8FF;
    --soft-3: #EAF7FF;
    --white: #FFFFFF;
    --line: rgba(89,126,247,0.16);
    --shadow: 0 16px 40px rgba(89,126,247,0.10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    color: var(--text);
    background: #F6F8FF;
    line-height: 1.72;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 9999;
    background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 24px rgba(89, 126, 247, 0.10);
}
.header-inner {
    max-width: 1240px;
    margin: 0 auto;
    min-height: 76px;
    padding: 0 22px;
    display: flex;
    align-items: center;
    gap: 24px;
}
.brand img { width: 148px; max-height: 48px; object-fit: contain; }
.main-nav {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}
.main-nav a {
    color: #1D2B5F;
    font-size: 15px;
    font-weight: 700;
    padding: 9px 12px;
    border-radius: 999px;
    transition: .2s ease;
    white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
    color: rgb(89, 126, 247);
    background: rgba(255,255,255,0.72);
    box-shadow: inset 0 0 0 1px rgba(89,126,247,0.12);
}
.main-btn {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 24px;
    min-height: 42px;
    background: linear-gradient(135deg, #7580EE 0%, #597EF7 48%, #7AC4F5 100%);
    color: #fff;
    border-radius: 999px;
    font-weight: 800;
    letter-spacing: .02em;
    box-shadow: 0 10px 24px rgba(89, 126, 247, 0.28);
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn::before {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.85) 35%, transparent 70%);
    transform: translateX(-120%);
    animation: btnShine 2.4s infinite;
    z-index: -1;
}
.main-btn::after {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    border: 1px solid rgba(255,255,255,.65);
    box-shadow: 0 0 8px rgba(122,196,245,.55), 0 0 18px rgba(89,126,247,.35);
    pointer-events: none;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(89, 126, 247, 0.34); }
@keyframes btnShine {
    0% { transform: translateX(-120%); }
    55% { transform: translateX(120%); }
    100% { transform: translateX(120%); }
}
.mobile-header { display: none; }
.drawer-mask,
.mobile-drawer { display: none; }
.hero-section {
    background:
        radial-gradient(circle at 18% 20%, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0) 32%),
        linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%);
    padding: 76px 22px 64px;
}
.hero-wrap {
    max-width: 1240px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.02fr .98fr;
    gap: 48px;
    align-items: center;
}
.eyebrow,
.section-kicker,
.card-tag {
    display: inline-flex;
    align-items: center;
    color: rgb(89, 126, 247);
    font-weight: 900;
    font-size: 14px;
    letter-spacing: .04em;
    background: rgba(255,255,255,.74);
    border: 1px solid rgba(89,126,247,.16);
    border-radius: 999px;
    padding: 7px 13px;
}
h1, h2, h3 { color: #1D2B5F; line-height: 1.25; margin: 0; }
p { margin: 0; }
.hero-content h1 {
    margin: 18px 0 22px;
    font-size: clamp(36px, 5vw, 62px);
    color: #1D2B5F;
    letter-spacing: -.04em;
}
.hero-content p {
    color: #3F4A66;
    font-size: 18px;
    max-width: 640px;
}
.hero-actions { margin: 30px 0 24px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.hero-tags { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-tags span,
.mini-pill {
    color: #1D2B5F;
    background: rgba(255,255,255,.76);
    border: 1px solid rgba(89,126,247,.16);
    border-radius: 999px;
    padding: 8px 14px;
    font-weight: 800;
    box-shadow: 0 8px 22px rgba(89,126,247,.08);
}
.hero-visual {
    background: rgba(255,255,255,.58);
    border: 1px solid rgba(89,126,247,.16);
    border-radius: 34px;
    padding: 18px;
    box-shadow: 0 24px 70px rgba(89,126,247,.15);
    backdrop-filter: blur(14px);
}
.hero-visual img {
    width: 100%;
    max-height: 420px;
    object-fit: contain;
    border-radius: 26px;
    background: rgba(255,255,255,.5);
}
.hero-mini-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 14px;
}
.hero-mini-grid div {
    padding: 14px;
    border-radius: 18px;
    background: rgba(255,255,255,.82);
    border: 1px solid rgba(89,126,247,.14);
}
.hero-mini-grid strong { display: block; color: rgb(89, 126, 247); font-size: 15px; }
.hero-mini-grid span { color: #5B647A; font-size: 13px; }
.section {
    padding: 72px 22px;
}
.section.alt { background: #FFFFFF; }
.section.tint { background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 55%, #EAF7FF 100%); }
.container { max-width: 1240px; margin: 0 auto; }
.quick-nav {
    margin-top: -28px;
    position: relative;
    z-index: 3;
    padding: 0 22px 36px;
}
.quick-grid {
    max-width: 1240px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.quick-card,
.card,
.zone-card,
.info-card {
    background: rgba(255,255,255,0.86);
    border: 1px solid rgba(89,126,247,0.16);
    box-shadow: 0 16px 40px rgba(89,126,247,0.10);
    border-radius: 24px;
}
.quick-card {
    padding: 18px;
    min-height: 126px;
    transition: transform .2s ease, box-shadow .2s ease;
}
.quick-card:hover { transform: translateY(-4px); box-shadow: 0 20px 44px rgba(89,126,247,.14); }
.quick-card b { color: rgb(89,126,247); font-size: 15px; }
.quick-card h3 { margin: 8px 0 7px; font-size: 18px; }
.quick-card p { color: #5B647A; font-size: 14px; }
.section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 30px;
}
.section-heading h2 { margin-top: 12px; font-size: clamp(28px, 3.3vw, 42px); }
.section-heading p { max-width: 620px; color: #5B647A; }
.overview-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.info-card { padding: 22px; }
.info-card .num { color: rgb(89,126,247); font-weight: 900; }
.info-card h3 { margin: 10px 0 8px; font-size: 20px; }
.info-card p { color: #5B647A; font-size: 15px; }
.feature-stack { display: grid; gap: 34px; }
.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 34px;
    align-items: center;
    padding: 28px;
    border-radius: 34px;
    background: rgba(255,255,255,.76);
    border: 1px solid rgba(89,126,247,.16);
    box-shadow: 0 18px 48px rgba(89,126,247,.10);
}
.feature-row.reverse .feature-image { order: 2; }
.feature-image {
    border-radius: 28px;
    background: linear-gradient(135deg, rgba(236,240,255,.72), rgba(234,247,255,.82));
    padding: 18px;
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.content-img,
.zone-card img,
.app-section img,
.hero-visual img,
.inner-media img,
.feature-image img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}
.feature-image img { max-height: 310px; border-radius: 22px; }
.feature-text h2 { font-size: clamp(26px, 3vw, 36px); margin: 12px 0 16px; }
.feature-text p { color: #3F4A66; }
.check-list { list-style: none; padding: 0; margin: 20px 0; display: grid; gap: 10px; }
.check-list li { color: #3F4A66; background: rgba(236,240,255,.52); border: 1px solid rgba(89,126,247,.12); padding: 10px 13px; border-radius: 14px; }
.text-link { color: rgb(89,126,247); font-weight: 900; display: inline-flex; align-items: center; gap: 6px; }
.text-link::after { content: "›"; font-size: 20px; }
.zone-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.zone-card { overflow: hidden; display: flex; flex-direction: column; min-height: 100%; }
.zone-card.wide { grid-column: span 2; }
.zone-card .zone-img {
    min-height: 160px;
    padding: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 54%, #EAF7FF 100%);
}
.zone-card .zone-img img { max-height: 170px; width: auto; margin: 0 auto; border-radius: 16px; }
.zone-body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.zone-body p { color: #5B647A; font-size: 15px; }
.text-only-card { padding-top: 22px; }
.text-only-card .zone-body { min-height: 260px; }
.app-banner {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    align-items: center;
    gap: 42px;
    border-radius: 36px;
    padding: 34px;
    background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 55%, #EAF7FF 100%);
    border: 1px solid rgba(89,126,247,.16);
    box-shadow: var(--shadow);
}
.app-image { display: flex; align-items: center; justify-content: center; padding: 10px; }
.app-image img { max-height: 420px; object-fit: contain; }
.app-content h2 { font-size: clamp(28px, 3.4vw, 42px); margin: 12px 0 16px; }
.app-content p { color: #3F4A66; }
.point-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 22px 0; }
.point-grid span { color: #1D2B5F; font-weight: 800; background: rgba(255,255,255,.78); border: 1px solid rgba(89,126,247,.14); border-radius: 16px; padding: 12px; }
.support-layout { display: grid; grid-template-columns: .92fr 1.08fr; gap: 28px; align-items: stretch; }
.support-copy { padding: 28px; border-radius: 30px; background: #FFFFFF; border: 1px solid rgba(89,126,247,.14); box-shadow: var(--shadow); }
.support-copy img { max-height: 250px; object-fit: contain; margin: 20px auto 0; }
.support-copy p { color: #3F4A66; margin-top: 16px; }
.security-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.security-card { padding: 18px; border-radius: 22px; background: rgba(255,255,255,.86); border: 1px solid rgba(89,126,247,.16); box-shadow: 0 10px 24px rgba(89,126,247,.08); }
.security-card b { color: rgb(89,126,247); }
.security-card h3 { font-size: 18px; margin: 8px 0; }
.security-card p { color: #5B647A; font-size: 14px; }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.faq-item { padding: 22px; border-radius: 24px; background: rgba(255,255,255,.88); border: 1px solid rgba(89,126,247,.16); box-shadow: var(--shadow); }
.faq-item h3 { font-size: 19px; margin-bottom: 10px; }
.faq-item p { color: #5B647A; font-size: 15px; }
.notice-band {
    border-radius: 32px;
    padding: 30px;
    background: linear-gradient(135deg, #1D2B5F 0%, #2B3D7A 100%);
    color: #FFFFFF;
    box-shadow: 0 22px 54px rgba(29,43,95,.18);
}
.notice-band h2,
.notice-band h3 { color: #FFFFFF; margin-bottom: 12px; }
.notice-band p { color: rgba(255,255,255,.86); }
.site-footer { background: #1F1F1F; color: rgba(255,255,255,.82); padding: 54px 22px 24px; }
.footer-inner { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: .95fr 1.6fr; gap: 42px; }
.footer-brand img { width: 150px; max-height: 48px; object-fit: contain; margin-bottom: 18px; }
.footer-brand p { color: rgba(255,255,255,.72); }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.footer-links h3 { color: #FFFFFF; font-size: 18px; margin-bottom: 12px; }
.footer-links a { display: block; color: rgba(255,255,255,.72); margin: 8px 0; }
.footer-links a:hover { color: #FFFFFF; }
.footer-note { max-width: 1240px; margin: 30px auto 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.62); font-size: 14px; }
.inner-main { padding-top: 0; }
.inner-hero {
    padding: 72px 22px;
    background:
        radial-gradient(circle at 18% 20%, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0) 32%),
        linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%);
}
.inner-hero-wrap { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 1.04fr .96fr; gap: 42px; align-items: center; }
.inner-hero h1 { margin: 14px 0 18px; font-size: clamp(34px, 4vw, 52px); }
.inner-hero p { color: #3F4A66; font-size: 17px; }
.inner-media { border-radius: 32px; background: rgba(255,255,255,.66); border: 1px solid rgba(89,126,247,.16); box-shadow: 0 20px 50px rgba(89,126,247,.13); padding: 18px; display: flex; justify-content: center; align-items: center; }
.inner-media img { max-height: 380px; border-radius: 22px; }
.content-slab { padding: 70px 22px; }
.content-slab.white { background: #FFFFFF; }
.two-col { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.copy-card { padding: 26px; border-radius: 26px; background: rgba(255,255,255,.88); border: 1px solid rgba(89,126,247,.16); box-shadow: var(--shadow); }
.copy-card h2 { font-size: 26px; margin-bottom: 12px; }
.copy-card p { color: #3F4A66; margin-top: 10px; }
.copy-card ul { padding-left: 20px; margin: 16px 0 0; color: #3F4A66; }
.copy-card li { margin: 8px 0; }
.full-copy { max-width: 980px; margin: 0 auto; color: #3F4A66; }
.full-copy h2 { margin: 26px 0 12px; font-size: 30px; }
.full-copy p { margin: 12px 0; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.review { padding: 20px; border-radius: 22px; background: rgba(255,255,255,.86); border: 1px solid rgba(89,126,247,.16); box-shadow: var(--shadow); color: #3F4A66; }
.review strong { display: block; margin-top: 12px; color: rgb(89,126,247); }
.table-like { display: grid; gap: 10px; }
.table-row { display: grid; grid-template-columns: 150px 1fr; gap: 14px; padding: 15px; border-radius: 16px; background: rgba(236,240,255,.5); border: 1px solid rgba(89,126,247,.12); }
.table-row b { color: rgb(89,126,247); }
@media (max-width: 1100px) {
    .main-nav a { padding: 8px 9px; font-size: 14px; }
    .quick-grid, .overview-grid, .zone-grid { grid-template-columns: repeat(2, 1fr); }
    .zone-card.wide { grid-column: span 1; }
}
@media (max-width: 860px) {
    .desktop-header { display: none; }
    .mobile-header {
        display: grid;
        grid-template-columns: 46px 1fr auto;
        align-items: center;
        min-height: 66px;
        padding: 0 12px;
        gap: 10px;
        background: linear-gradient(135deg, #F7F9FF 0%, #ECF0FF 52%, #EAF7FF 100%);
    }
    .menu-toggle {
        width: 42px;
        height: 42px;
        border: 1px solid rgba(89,126,247,.16);
        border-radius: 14px;
        background: rgba(255,255,255,.74);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
    }
    .menu-toggle span { width: 20px; height: 2px; border-radius: 2px; background: #1D2B5F; }
    .mobile-brand { justify-self: center; }
    .mobile-brand img { width: 120px; max-height: 42px; object-fit: contain; }
    .mobile-reg { padding: 8px 12px; min-height: 36px; font-size: 13px; }
    .drawer-mask {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 10000;
        background: rgba(0,0,0,.42);
        opacity: 0;
        visibility: hidden;
        transition: .25s ease;
    }
    .drawer-mask.show { opacity: 1; visibility: visible; }
    .mobile-drawer {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 10001;
        width: 82vw;
        max-width: 320px;
        height: 100vh;
        background: linear-gradient(135deg, #FFFFFF 0%, #ECF0FF 100%);
        box-shadow: 20px 0 40px rgba(29,43,95,.18);
        transform: translateX(-105%);
        transition: transform .28s ease;
        overflow-y: auto;
    }
    .mobile-drawer.open { transform: translateX(0); }
    body.drawer-open { overflow: hidden; }
    .drawer-top { display: flex; align-items: center; justify-content: space-between; padding: 18px; border-bottom: 1px solid rgba(89,126,247,.12); }
    .drawer-logo img { width: 128px; max-height: 44px; object-fit: contain; }
    .drawer-close { width: 36px; height: 36px; border-radius: 999px; border: 1px solid rgba(89,126,247,.18); background: #FFFFFF; color: #1D2B5F; font-size: 26px; line-height: 1; }
    .drawer-nav { padding: 14px; display: grid; gap: 8px; }
    .drawer-nav a { padding: 13px 14px; border-radius: 16px; color: #1D2B5F; font-weight: 800; background: rgba(255,255,255,.62); border: 1px solid rgba(89,126,247,.10); }
    .drawer-nav a.active { color: rgb(89,126,247); background: #FFFFFF; border-color: rgba(89,126,247,.22); }
    .hero-section { padding: 48px 16px 52px; }
    .hero-wrap, .inner-hero-wrap, .app-banner, .support-layout, .feature-row, .two-col, .footer-inner { grid-template-columns: 1fr; }
    .hero-visual { order: 2; }
    .hero-mini-grid { grid-template-columns: 1fr; }
    .quick-nav { padding: 0 16px 28px; }
    .quick-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); overflow: visible; }
    .section, .content-slab { padding: 52px 16px; }
    .section-heading { display: block; }
    .section-heading p { margin-top: 14px; }
    .overview-grid, .zone-grid, .faq-grid, .security-grid, .point-grid, .review-grid { grid-template-columns: 1fr; }
    .feature-row { padding: 18px; }
    .feature-row.reverse .feature-image { order: 0; }
    .feature-image { min-height: 220px; }
    .feature-image img { max-height: 250px; }
    .app-banner { padding: 22px; }
    .app-image img { max-height: 330px; }
    .footer-links { grid-template-columns: 1fr; }
    .table-row { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
    .quick-grid { grid-template-columns: 1fr; }
    .hero-content p, .inner-hero p { font-size: 16px; }
    .hero-content h1 { font-size: 34px; }
    .main-btn { width: auto; }
    .mobile-brand img { width: 104px; }
    .mobile-reg { padding: 7px 9px; font-size: 12px; }
}