:root {
    --bg: #F5F7FF;
    --nav: rgba(12, 18, 40, 0.94);
    --title: #131A35;
    --brand: #5B6CFF;
    --deep: #16213E;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --rose: #D94F70;
    --lavender: #7A5CFF;
    --text: #1F2740;
    --muted: #66708A;
    --soft: #9AA4BA;
    --card: #FFFFFF;
    --dark-card: #11182F;
    --light-blue: #EFF8FF;
    --border: rgba(91, 108, 255, 0.18);
    --shadow: 0 20px 46px rgba(25, 43, 91, 0.14);
    --gradient: linear-gradient(135deg, #5B6CFF 0%, #7A5CFF 48%, #00D4FF 100%);
    --radius: 24px;
    --container: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--lavender); }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

.skip-link {
    position: fixed;
    left: 16px;
    top: -80px;
    z-index: 12000;
    background: #fff;
    color: var(--title);
    padding: 10px 14px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}
.skip-link:focus { top: 12px; }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 9999;
    background: var(--nav);
    backdrop-filter: blur(14px);
    box-shadow: 0 8px 26px rgba(25, 43, 91, 0.16);
}
.header-inner {
    width: min(calc(100% - 40px), 1280px);
    margin: 0 auto;
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.site-logo, .drawer-brand, .footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-weight: 800;
    letter-spacing: .02em;
    white-space: nowrap;
}
.site-logo img { width: 42px; max-height: 44px; object-fit: contain; }
.site-logo strong { font-size: 1.15rem; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 6px; }
.nav-core a {
    color: #EEF2FF;
    border-radius: 999px;
    padding: 8px 12px;
    font-size: .94rem;
    white-space: nowrap;
}
.nav-core a:hover, .nav-core a.active { color: #fff; background: rgba(0, 212, 255, .16); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 22px;
    border-radius: 999px;
    color: #fff;
    font-weight: 700;
    background: var(--gradient);
    box-shadow: 0 14px 32px rgba(91, 108, 255, .22);
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 18px 36px rgba(91, 108, 255, .28); }
.secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 22px;
    border: 1px solid rgba(91, 108, 255, .28);
    border-radius: 999px;
    background: rgba(255,255,255,.78);
    color: var(--title);
    font-weight: 700;
}
.secondary-btn:hover { background: #fff; }
.menu-trigger {
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 14px;
    background: rgba(255,255,255,.09);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
}
.menu-trigger span { width: 18px; height: 2px; border-radius: 2px; background: #fff; }
.mobile-menu-trigger { display: none; }

.drawer-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(4, 8, 24, .56);
    opacity: 0;
    transition: opacity .22s ease;
}
.drawer-overlay.is-visible { opacity: 1; }
.site-drawer {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 10001;
    width: min(390px, 90vw);
    height: 100dvh;
    padding: 24px;
    background: #fff;
    transform: translateX(105%);
    transition: transform .24s ease;
    overflow-y: auto;
    box-shadow: -20px 0 54px rgba(9, 16, 45, .22);
}
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.drawer-brand { color: var(--title); }
.drawer-brand img, .footer-logo img { width: 42px; height: 42px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: #EEF1FF; color: var(--title); font-size: 1.8rem; cursor: pointer; }
.drawer-intro { color: var(--muted); margin: 22px 0 14px; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.drawer-nav a { padding: 11px 12px; border-radius: 14px; background: #F5F7FF; color: var(--text); font-weight: 650; }
.drawer-nav a:hover { color: var(--brand); background: #EEF1FF; }
.drawer-note { margin-top: 22px; padding: 16px; border-radius: 18px; background: #FFF7E3; color: #56441A; }
.drawer-note p { margin: 6px 0 0; font-size: .92rem; }

.hero {
    position: relative;
    overflow: hidden;
    padding: 76px 0 56px;
    background:
        radial-gradient(circle at 8% 18%, rgba(255, 200, 87, .25), transparent 28%),
        radial-gradient(circle at 90% 20%, rgba(0, 212, 255, .22), transparent 30%),
        linear-gradient(135deg, #F8F3FF 0%, #EAF7FF 52%, #FFF5F8 100%);
}
.hero::before, .hero::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(2px);
    pointer-events: none;
}
.hero::before { width: 260px; height: 260px; left: -90px; bottom: -100px; background: rgba(122,92,255,.13); }
.hero::after { width: 180px; height: 180px; right: 5%; top: 40px; background: rgba(217,79,112,.12); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.03fr .97fr; gap: 52px; align-items: center; }
.eyebrow, .section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 14px;
    color: #8A6510;
    font-weight: 800;
    font-size: .88rem;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.eyebrow::before, .section-kicker::before { content: ""; width: 24px; height: 3px; border-radius: 3px; background: var(--gold); }
.hero h1 { margin: 0; color: var(--title); font-size: clamp(3rem, 7vw, 5.8rem); line-height: 1.02; letter-spacing: -.04em; }
.hero-subtitle { margin: 20px 0 12px; color: var(--deep); font-size: clamp(1.35rem, 2.7vw, 2.2rem); font-weight: 800; }
.hero-copy { margin: 0; max-width: 680px; color: var(--muted); font-size: 1.03rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0 0; padding: 0; list-style: none; }
.hero-points li { padding: 8px 13px; border-radius: 999px; background: rgba(255,255,255,.82); border: 1px solid rgba(91,108,255,.14); color: var(--deep); font-weight: 650; }
.hero-visual { position: relative; min-height: 470px; display: grid; place-items: center; }
.hero-visual-main { width: min(100%, 560px); filter: drop-shadow(0 28px 42px rgba(22,33,62,.18)); }
.hero-visual-main img { width: 100%; height: auto; object-fit: contain; }
.floating-card { position: absolute; padding: 13px 16px; border-radius: 17px; background: rgba(255,255,255,.92); border: 1px solid rgba(91,108,255,.15); box-shadow: var(--shadow); color: var(--title); font-weight: 750; backdrop-filter: blur(8px); }
.floating-card small { display: block; color: var(--muted); font-weight: 500; }
.floating-one { left: -10px; top: 18%; }
.floating-two { right: 0; bottom: 16%; }

.section { padding: 78px 0; }
.section.compact { padding: 48px 0; }
.section.tint { background: #EDF5FF; }
.section.pink-tint { background: linear-gradient(180deg, #FFF7FB 0%, #F5F7FF 100%); }
.section.dark-zone { background: var(--deep); color: #EEF2FF; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 28px; }
.section-heading h2 { margin: 0; color: var(--title); font-size: clamp(2rem, 4vw, 3.1rem); line-height: 1.15; letter-spacing: -.025em; }
.dark-zone .section-heading h2 { color: #fff; }
.section-heading p { max-width: 620px; margin: 0; color: var(--muted); }
.dark-zone .section-heading p { color: #C9D3EE; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--brand); font-weight: 750; }
.text-link::after { content: "→"; }

.highlights { margin-top: -22px; position: relative; z-index: 3; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.highlight-card, .card, .zone-card, .info-card, .review-card, .article-card, .faq-card {
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
}
.highlight-card { padding: 23px; }
.highlight-card .number { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 12px; background: #EEF1FF; color: var(--brand); font-weight: 800; }
.highlight-card h2 { margin: 15px 0 7px; font-size: 1.15rem; color: var(--title); }
.highlight-card p { margin: 0; color: var(--muted); font-size: .93rem; }

.channel-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.channel-pill { padding: 18px; border-radius: 22px; background: #fff; border: 1px solid var(--border); transition: transform .2s ease, box-shadow .2s ease; }
.channel-pill:hover { transform: translateY(-4px); box-shadow: 0 16px 34px rgba(25,43,91,.12); }
.channel-pill strong { display: block; color: var(--title); font-size: 1.02rem; }
.channel-pill p { margin: 6px 0 10px; color: var(--muted); font-size: .88rem; line-height: 1.6; }
.channel-pill a { font-size: .9rem; font-weight: 750; }

.media-split { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.media-copy h2, .media-copy h3 { color: var(--title); margin: 0 0 16px; }
.media-copy h2 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.16; }
.media-copy p { color: var(--muted); margin: 0 0 14px; }
.media-visual { position: relative; }
.media-visual img { width: 100%; max-height: 520px; object-fit: contain; }
.media-visual-frame { padding: 20px; border-radius: 32px; background: linear-gradient(145deg, #E7EAFF, #FDF5FF); border: 1px solid rgba(91,108,255,.13); }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 22px; }
.stat-chip { padding: 13px; border-radius: 16px; background: #fff; border: 1px solid var(--border); }
.stat-chip strong { display: block; color: var(--brand); font-size: 1.1rem; }
.stat-chip span { color: var(--muted); font-size: .86rem; }

.cover-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 16px; }
.cover-main, .cover-small { overflow: hidden; border-radius: 26px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.cover-main { padding: 20px; }
.cover-main img { width: 100%; max-height: 420px; object-fit: contain; }
.cover-stack { display: grid; gap: 16px; }
.cover-small { padding: 14px; }
.cover-small img { width: 100%; max-height: 190px; object-fit: contain; }

.two-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.three-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.zone-card { overflow: hidden; }
.zone-card img { width: 100%; height: 250px; object-fit: contain; background: linear-gradient(135deg, #EEF1FF, #ECFBFF); padding: 12px; }
.zone-card-body { padding: 25px; }
.zone-card h3 { margin: 0 0 10px; color: var(--title); font-size: 1.45rem; }
.zone-card p { margin: 0 0 14px; color: var(--muted); }
.mini-list { margin: 0 0 18px; padding: 0; list-style: none; display: grid; gap: 8px; }
.mini-list li { position: relative; padding-left: 18px; color: var(--text); }
.mini-list li::before { content: ""; position: absolute; left: 0; top: .75em; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }

.safety-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.safety-card { position: relative; overflow: hidden; min-height: 420px; border-radius: 28px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.safety-card img { width: 100%; height: 230px; object-fit: contain; padding: 14px; background: #EFF8FF; }
.safety-card-body { padding: 24px; }
.safety-card h3 { color: var(--title); margin: 0 0 10px; font-size: 1.5rem; }
.safety-card p { color: var(--muted); margin: 0 0 14px; }

.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-card { padding: 23px; }
.review-card .stars { color: #D58F00; letter-spacing: .08em; }
.review-card blockquote { margin: 12px 0 18px; color: var(--text); }
.review-card footer { color: var(--muted); font-size: .9rem; }

.faq-list { display: grid; gap: 13px; }
.faq-list details { border-radius: 18px; background: #fff; border: 1px solid var(--border); box-shadow: 0 12px 26px rgba(25,43,91,.08); padding: 0 18px; }
.faq-list summary { cursor: pointer; list-style: none; padding: 18px 34px 18px 0; color: var(--title); font-weight: 780; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 2px; top: 13px; font-size: 1.55rem; color: var(--brand); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: 0 0 18px; color: var(--muted); }

.notice-panel { display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center; padding: 30px; border-radius: 28px; background: linear-gradient(135deg, #11182F 0%, #18264A 60%, #243666 100%); color: #EEF2FF; box-shadow: var(--shadow); }
.notice-panel h2 { margin: 0 0 10px; color: #fff; font-size: clamp(1.7rem, 3vw, 2.3rem); }
.notice-panel p { margin: 0; color: #C9D3EE; }
.notice-panel .secondary-btn { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.2); color: #fff; }

.inner-hero { position: relative; overflow: hidden; padding: 64px 0; background: linear-gradient(135deg, #F8F3FF 0%, #EAF7FF 52%, #FFF5F8 100%); }
.inner-hero::after { content: ""; position: absolute; width: 320px; height: 320px; border-radius: 50%; right: -120px; top: -140px; background: rgba(0,212,255,.14); }
.inner-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr .92fr; gap: 46px; align-items: center; }
.inner-hero h1 { margin: 0 0 16px; color: var(--title); font-size: clamp(2.5rem, 5vw, 4.6rem); line-height: 1.06; letter-spacing: -.035em; }
.inner-hero .lead { margin: 0 0 24px; color: var(--muted); font-size: 1.04rem; max-width: 720px; }
.inner-hero img { width: 100%; max-height: 430px; object-fit: contain; filter: drop-shadow(0 24px 36px rgba(22,33,62,.16)); }
.breadcrumbs { margin-bottom: 14px; color: var(--soft); font-size: .9rem; }
.breadcrumbs a { color: var(--brand); }

.article-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; }
.article-card { padding: 28px; }
.article-card h2 { margin: 0 0 14px; color: var(--title); font-size: 1.75rem; }
.article-card p { color: var(--muted); margin: 0 0 13px; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.info-card { padding: 24px; }
.info-card .icon-badge { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: #EEF1FF; color: var(--brand); font-weight: 850; }
.info-card h3 { margin: 14px 0 8px; color: var(--title); }
.info-card p { margin: 0; color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: step; }
.step-card { padding: 22px; border-radius: 22px; background: #fff; border: 1px solid var(--border); }
.step-card::before { counter-increment: step; content: "0" counter(step); display: block; color: var(--brand); font-weight: 900; font-size: 1.3rem; }
.step-card h3 { margin: 7px 0; color: var(--title); }
.step-card p { margin: 0; color: var(--muted); }
.inner-review-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.faq-card { padding: 24px; }
.faq-card h3 { margin: 0 0 8px; color: var(--title); font-size: 1.18rem; }
.faq-card p { margin: 0; color: var(--muted); }

.site-footer { background: #0B1024; color: #EEF2FF; padding: 58px 0 18px; }
.footer-main { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 36px; }
.footer-brand p { max-width: 470px; color: #BFC9E4; }
.footer-logo { margin-bottom: 12px; }
.footer-btn { margin-top: 8px; }
.footer-column { display: grid; align-content: start; gap: 8px; }
.footer-column h2 { margin: 0 0 10px; color: #fff; font-size: 1.05rem; }
.footer-column a { color: #BFC9E4; }
.footer-column a:hover { color: #fff; }
.footer-notice { margin-top: 34px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); color: #AEB9D5; font-size: .88rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 18px; padding-top: 16px; color: #8E9AB8; font-size: .85rem; }
.mobile-bottom-nav { display: none; }

@media (max-width: 1080px) {
    .nav-core { gap: 2px; }
    .nav-core a { padding-inline: 9px; font-size: .88rem; }
    .header-cta { padding-inline: 17px; }
    .channel-grid { grid-template-columns: repeat(3, 1fr); }
    .highlight-grid { grid-template-columns: repeat(2, 1fr); }
    .three-grid, .service-grid { grid-template-columns: repeat(2, 1fr); }
    .review-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
    body { padding-bottom: 74px; }
    .container, .header-inner { width: min(calc(100% - 28px), var(--container)); }
    .header-inner { min-height: 64px; display: grid; grid-template-columns: auto 1fr auto; gap: 10px; }
    .mobile-menu-trigger { display: inline-flex; }
    .desktop-menu-trigger, .nav-core { display: none; }
    .site-logo { justify-self: center; }
    .site-logo strong { display: none; }
    .site-logo img { width: 38px; max-height: 40px; }
    .header-actions { justify-self: end; }
    .header-cta { min-height: 38px; padding: 0 14px; font-size: .86rem; }
    .site-drawer { right: auto; left: 0; transform: translateX(-105%); box-shadow: 20px 0 54px rgba(9,16,45,.22); }
    .site-drawer.is-open { transform: translateX(0); }
    .hero { padding-top: 48px; }
    .hero-grid, .inner-hero-grid, .media-split, .article-grid { grid-template-columns: 1fr; }
    .hero-visual { min-height: 320px; }
    .hero-visual-main { width: min(100%, 470px); }
    .floating-one { left: 0; top: 8%; }
    .floating-two { right: 0; bottom: 6%; }
    .section { padding: 60px 0; }
    .section-heading { align-items: start; flex-direction: column; gap: 10px; }
    .channel-grid { grid-template-columns: repeat(2, 1fr); }
    .cover-grid { grid-template-columns: 1fr; }
    .cover-stack { grid-template-columns: repeat(2, 1fr); }
    .two-grid, .safety-grid, .inner-review-grid { grid-template-columns: 1fr; }
    .three-grid, .service-grid, .steps { grid-template-columns: 1fr 1fr; }
    .notice-panel { grid-template-columns: 1fr; }
    .footer-main { grid-template-columns: 1fr 1fr; }
    .mobile-bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 9500;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        min-height: 66px;
        padding: 7px 10px calc(7px + env(safe-area-inset-bottom));
        background: rgba(255,255,255,.96);
        border-top: 1px solid rgba(91,108,255,.15);
        box-shadow: 0 -10px 30px rgba(25,43,91,.1);
        backdrop-filter: blur(12px);
    }
    .mobile-bottom-nav a { display: grid; place-items: center; align-content: center; gap: 2px; color: var(--muted); font-size: .76rem; }
    .mobile-bottom-nav a span { font-size: 1.2rem; line-height: 1; }
    .mobile-bottom-nav a.active { color: var(--brand); font-weight: 800; }
}

@media (max-width: 560px) {
    .hero h1 { font-size: clamp(2.8rem, 18vw, 4.6rem); }
    .hero-subtitle { font-size: 1.45rem; }
    .hero-copy { font-size: .96rem; }
    .highlight-grid, .channel-grid, .three-grid, .service-grid, .steps, .review-grid { grid-template-columns: 1fr; }
    .cover-stack { grid-template-columns: 1fr; }
    .stat-row { grid-template-columns: 1fr; }
    .floating-card { font-size: .82rem; padding: 10px 12px; }
    .drawer-nav { grid-template-columns: 1fr; }
    .inner-hero { padding: 48px 0; }
    .inner-hero h1 { font-size: 2.55rem; }
    .footer-main { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 4px; }
}