:root {
    --bg: #F5F7FF;
    --nav: rgba(12,18,40,.94);
    --title: #131A35;
    --primary: #5B6CFF;
    --deep: #16213E;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --rose: #D94F70;
    --lavender: #7A5CFF;
    --text: #1F2740;
    --muted: #66708A;
    --soft-text: #9AA4BA;
    --card: #FFFFFF;
    --dark-card: #11182F;
    --line: rgba(91,108,255,.18);
    --shadow: 0 20px 46px rgba(25,43,91,.14);
    --radius: 24px;
    --gradient: linear-gradient(135deg, #5B6CFF 0%, #7A5CFF 48%, #00D4FF 100%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(860px, calc(100% - 40px)); }
.section { padding: 92px 0; position: relative; }
.section-soft { background: linear-gradient(180deg, rgba(234,247,255,.9), rgba(245,247,255,.55)); }
.section-deep { background: #11182F; color: #EEF2FF; }
.section-kicker { display: inline-block; color: #7A5CFF; font-size: .82rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3, .section-title { margin-top: 0; color: var(--title); line-height: 1.2; }
h1 { font-size: clamp(2.7rem, 6vw, 5.7rem); letter-spacing: -.045em; }
h2 { font-size: clamp(2rem, 4.2vw, 3.35rem); letter-spacing: -.03em; }
h3 { font-size: 1.28rem; }
p { margin: 0 0 1.05em; }
.lead { font-size: clamp(1.05rem, 2vw, 1.28rem); color: var(--muted); }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 12000; background: #fff; color: #111; padding: 10px 16px; border-radius: 10px; }
.skip-link:focus { top: 12px; }

.site-header {
    position: sticky; top: 0; width: 100%; z-index: 9999;
    background: var(--nav); backdrop-filter: blur(12px);
    box-shadow: 0 8px 26px rgba(25,43,91,.16);
}
.header-inner { max-width: 1280px; margin: 0 auto; min-height: 72px; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; flex: 0 0 auto; }
.site-logo img { max-height: 44px; width: auto; display: block; object-fit: contain; }
.site-logo strong { font-size: 1.35rem; letter-spacing: -.04em; }
.nav-core { display: flex; align-items: center; gap: 7px; margin-left: auto; }
.nav-core a { color: #EEF2FF; text-decoration: none; border-radius: 999px; padding: 8px 12px; white-space: nowrap; font-size: .94rem; }
.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, .ghost-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 24px; border-radius: 999px; text-decoration: none; font-weight: 800; transition: transform .25s ease, box-shadow .25s ease; }
.main-btn { background: var(--gradient); color: #fff; box-shadow: 0 14px 32px rgba(91,108,255,.22); }
.main-btn:hover, .ghost-btn:hover { transform: translateY(-2px); }
.main-btn.compact { min-height: 42px; padding: 0 18px; font-size: .9rem; }
.ghost-btn { color: #27305A; border: 1px solid rgba(91,108,255,.25); background: rgba(255,255,255,.7); }
.menu-toggle { width: 42px; height: 42px; border: 0; border-radius: 50%; background: rgba(255,255,255,.1); display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; }
.menu-toggle span { width: 17px; height: 2px; background: #fff; border-radius: 2px; }
.mobile-only { display: none; }

.drawer-overlay { position: fixed; inset: 0; background: rgba(4,8,22,.56); opacity: 0; visibility: hidden; z-index: 10000; transition: .3s ease; }
.site-drawer { position: fixed; z-index: 10001; top: 0; right: 0; width: min(400px, 90vw); height: 100dvh; padding: 24px; background: #11182F; color: #EEF2FF; transform: translateX(102%); transition: transform .32s ease; overflow-y: auto; }
.drawer-open .drawer-overlay { opacity: 1; visibility: visible; }
.drawer-open .site-drawer { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.drawer-close { border: 0; background: rgba(255,255,255,.1); color: #fff; width: 42px; height: 42px; border-radius: 50%; font-size: 1.7rem; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.drawer-nav a { text-decoration: none; padding: 11px 12px; border-radius: 13px; background: rgba(255,255,255,.055); color: #EEF2FF; }
.drawer-nav a:hover { background: rgba(0,212,255,.13); }
.drawer-note { margin-top: 26px; padding: 18px; border: 1px solid rgba(255,255,255,.1); border-radius: 18px; background: rgba(255,255,255,.045); }
.drawer-note p { color: #B9C3DD; margin-bottom: 0; font-size: .92rem; }

.hero { min-height: calc(100vh - 72px); display: flex; align-items: center; padding: 76px 0 70px; overflow: hidden; background: radial-gradient(circle at 76% 15%, rgba(0,212,255,.17), transparent 26%), radial-gradient(circle at 15% 20%, rgba(122,92,255,.20), transparent 30%), linear-gradient(135deg, #F8F6FF 0%, #EAF7FF 55%, #FFF3FA 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); opacity: .75; }
.hero::before { width: 210px; height: 210px; background: rgba(255,200,87,.22); left: -70px; bottom: 12%; }
.hero::after { width: 320px; height: 320px; background: rgba(217,79,112,.11); right: -110px; top: 18%; }
.hero-grid { display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 64px; position: relative; z-index: 1; }
.hero-copy h1 { margin: 10px 0 22px; }
.hero-copy h1 span { display: block; background: var(--gradient); -webkit-background-clip: text; color: transparent; }
.hero-copy .lead { max-width: 660px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 25px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; list-style: none; }
.hero-points li { padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,.75); border: 1px solid rgba(91,108,255,.15); color: #46506B; font-size: .9rem; }
.hero-visual { position: relative; }
.hero-visual > img { width: 100%; max-height: 650px; object-fit: contain; filter: drop-shadow(0 32px 45px rgba(44,55,105,.22)); }
.floating-card { position: absolute; padding: 14px 17px; border: 1px solid rgba(255,255,255,.75); background: rgba(255,255,255,.82); backdrop-filter: blur(12px); box-shadow: var(--shadow); border-radius: 18px; }
.floating-card strong { display: block; color: var(--title); }
.floating-card small { color: var(--muted); }
.hero-thumb { position: absolute; width: 145px; aspect-ratio: 3/2; object-fit: contain; padding: 7px; border-radius: 18px; background: rgba(255,255,255,.88); border: 1px solid rgba(255,255,255,.8); box-shadow: 0 18px 36px rgba(35,48,91,.16); }
.thumb-one { left: 4%; top: 3%; transform: rotate(-5deg); }
.thumb-two { right: 3%; bottom: 3%; transform: rotate(5deg); }
.float-one { left: -28px; bottom: 17%; }
.float-two { right: -15px; top: 14%; }

.highlight-strip { margin-top: -24px; position: relative; z-index: 3; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); overflow: hidden; }
.highlight-item { padding: 25px 22px; position: relative; }
.highlight-item:not(:last-child)::after { content: ""; position: absolute; right: 0; top: 24%; height: 52%; width: 1px; background: var(--line); }
.highlight-item h3 { margin-bottom: 8px; }
.highlight-item p { color: var(--muted); font-size: .92rem; margin: 0; }

.channel-pills { display: flex; flex-wrap: wrap; gap: 11px; justify-content: center; }
.channel-pill { flex: 1 1 195px; max-width: 225px; text-decoration: none; padding: 15px 17px; border-radius: 18px; border: 1px solid var(--line); background: rgba(255,255,255,.8); transition: .25s ease; }
.channel-pill:hover { transform: translateY(-3px); box-shadow: 0 16px 30px rgba(35,48,91,.1); }
.channel-pill strong { display: block; color: var(--title); margin-bottom: 3px; }
.channel-pill span { color: var(--muted); font-size: .86rem; line-height: 1.5; }
.section-heading { max-width: 720px; margin-bottom: 36px; }
.section-heading.centered { text-align: center; margin-left: auto; margin-right: auto; }
.section-heading h2 { margin: 9px 0 14px; }
.section-heading p { color: var(--muted); }
.brand-grid, .media-grid, .split-panel, .sub-hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center; }
.media-frame, .sub-hero-media { position: relative; border-radius: 30px; padding: 18px; background: linear-gradient(135deg, rgba(91,108,255,.13), rgba(0,212,255,.12)); }
.media-frame img, .sub-hero-media img { display: block; width: 100%; max-height: 580px; object-fit: contain; border-radius: 22px; background: #fff; }
.text-link { color: var(--primary); text-decoration: none; font-weight: 800; }
.text-link:hover { text-decoration: underline; }
.cards-grid { display: grid; gap: 22px; }
.cards-grid.two { grid-template-columns: repeat(2, 1fr); }
.cards-grid.three { grid-template-columns: repeat(3, 1fr); }
.cards-grid.four { grid-template-columns: repeat(4, 1fr); }
.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 22px; overflow: hidden; }
.zone-card, .info-card, .review-card { padding: 25px; }
.zone-card img { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: #F5F7FF; border-radius: 16px; margin-bottom: 18px; }
.info-card { position: relative; }
.card-number { display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center; border-radius: 12px; background: #EFF2FF; color: var(--primary); font-weight: 900; margin-bottom: 16px; }
.info-card p, .zone-card p, .review-card p { color: var(--muted); margin-bottom: 0; }
.feature-list { display: grid; gap: 14px; padding: 0; list-style: none; }
.feature-list li { padding: 15px 17px; border-radius: 16px; background: #fff; border: 1px solid var(--line); }
.triple-zone { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.security-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 24px; }
.security-panel { border-radius: 26px; padding: 30px; background: #11182F; color: #EEF2FF; }
.security-panel h2, .security-panel h3 { color: #fff; }
.security-panel img { max-height: 360px; object-fit: contain; width: 100%; border-radius: 18px; margin-top: 16px; background: rgba(255,255,255,.05); }
.privacy-panel { border-radius: 26px; padding: 30px; background: linear-gradient(135deg, #EFF8FF, #FFF4F8); border: 1px solid var(--line); }
.privacy-panel img { max-height: 330px; object-fit: contain; width: 100%; border-radius: 18px; margin-top: 16px; background: rgba(255,255,255,.6); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review-card { min-height: 215px; display: flex; flex-direction: column; justify-content: space-between; }
.review-card .reviewer { font-weight: 800; color: var(--title); margin-top: 22px; }
.faq-list { display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.faq-item summary { cursor: pointer; list-style: none; padding: 19px 22px; color: var(--title); font-weight: 800; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 20px; font-size: 1.35rem; color: var(--primary); }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 22px 20px; color: var(--muted); margin: 0; }
.compliance-box { display: grid; grid-template-columns: .72fr 1.28fr; gap: 36px; align-items: center; padding: 34px; border-radius: 28px; background: linear-gradient(135deg, #FFF4D6, #EAF7FF 56%, #F4EEFF); border: 1px solid rgba(255,200,87,.45); }
.compliance-box h2 { margin-bottom: 0; }
.compliance-box p { margin: 0; color: #4C566E; }

.sub-hero { padding: 88px 0 70px; background: radial-gradient(circle at 85% 10%, rgba(0,212,255,.15), transparent 25%), radial-gradient(circle at 10% 10%, rgba(122,92,255,.18), transparent 27%), linear-gradient(135deg, #F8F6FF, #EAF7FF 58%, #FFF6F9); }
.sub-hero h1 { font-size: clamp(2.5rem, 5vw, 4.75rem); margin: 10px 0 20px; }
.sub-hero-media img { min-height: 360px; }
.inline-checks { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 8px; }
.inline-checks li { position: relative; padding-left: 24px; color: #4D5874; }
.inline-checks li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 900; }
.article-prose { padding: 32px; border-radius: 24px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.article-prose p { color: #46506A; font-size: 1.02rem; }
.article-prose p:last-child { margin-bottom: 0; }
.panel-copy p { color: var(--muted); }
.notice-card { padding: 30px; border-radius: 26px; background: linear-gradient(145deg, #11182F, #1B2852); color: #DCE5FF; box-shadow: var(--shadow); }
.notice-card h3 { color: #fff; font-size: 1.7rem; }
.badge { display: inline-flex; color: #FFD975; border: 1px solid rgba(255,217,117,.35); background: rgba(255,217,117,.08); padding: 6px 10px; border-radius: 999px; font-size: .8rem; font-weight: 800; margin-bottom: 16px; }
.notice-card .text-link { color: var(--cyan); }
.review-feature { display: grid; grid-template-columns: .65fr 1.35fr; gap: 36px; align-items: center; }
.review-feature h2 { color: #fff; margin-bottom: 0; }
.review-feature blockquote { margin: 0; font-size: clamp(1.25rem, 2.4vw, 1.8rem); line-height: 1.65; color: #EEF2FF; padding: 28px; border-radius: 24px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); }
.contact-form { display: grid; gap: 15px; }
.contact-form label { display: grid; gap: 7px; font-weight: 700; color: var(--title); }
.contact-form input, .contact-form textarea, .contact-form select { width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 13px 15px; background: #fff; color: var(--text); }
.contact-form textarea { min-height: 150px; resize: vertical; }
.contact-form button { border: 0; cursor: pointer; }

.site-footer { background: #0B1024; color: #EEF2FF; padding: 68px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.8fr repeat(3, 1fr); gap: 44px; }
.footer-brand p { color: #AEB9D3; max-width: 460px; margin-top: 18px; }
.site-footer h3 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.site-footer a { display: block; text-decoration: none; color: #B8C3DD; margin: 8px 0; }
.site-footer a:hover { color: #fff; }
.footer-brand .site-logo { display: inline-flex; }
.footer-bottom { margin-top: 42px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 20px; color: #8F9AB5; font-size: .88rem; }
.footer-bottom div { display: flex; gap: 18px; }
.footer-bottom a { margin: 0; }
.mobile-bottom-nav { display: none; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1040px) {
    .nav-core { display: none; }
    .mobile-only { display: inline-flex; order: -1; }
    .desktop-menu { display: none; }
    .header-inner { justify-content: space-between; }
    .header-actions { margin-left: 0; }
    .hero-grid, .brand-grid, .media-grid, .split-panel, .sub-hero-grid, .security-grid { grid-template-columns: 1fr; }
    .hero-copy { text-align: center; }
    .hero-copy .lead { margin-left: auto; margin-right: auto; }
    .hero-actions, .hero-points { justify-content: center; }
    .hero-visual { max-width: 760px; margin: 0 auto; }
    .highlight-grid { grid-template-columns: repeat(2, 1fr); }
    .highlight-item:nth-child(2)::after { display: none; }
    .cards-grid.four { grid-template-columns: repeat(2, 1fr); }
    .triple-zone, .review-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
    .footer-grid > div:last-child { grid-column: 2 / 4; display: grid; grid-template-columns: repeat(4, 1fr); align-items: start; gap: 8px 18px; }
    .footer-grid > div:last-child h3 { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
    .container, .narrow { width: min(100% - 28px, 1180px); }
    .section { padding: 66px 0; }
    .header-inner { min-height: 64px; padding: 0 14px; gap: 8px; }
    .site-logo img { max-width: 92px; max-height: 36px; }
    .site-logo strong { display: none; }
    .main-btn.compact { min-height: 38px; padding: 0 13px; font-size: .82rem; }
    .menu-toggle { width: 38px; height: 38px; }
    .hero { min-height: auto; padding: 58px 0 54px; }
    h1 { font-size: clamp(2.4rem, 15vw, 4rem); }
    h2 { font-size: clamp(1.85rem, 8vw, 2.65rem); }
    .hero-grid { gap: 40px; }
    .floating-card { padding: 10px 12px; font-size: .78rem; }
    .hero-thumb { width: 95px; border-radius: 13px; }
    .float-one { left: 0; bottom: 8%; }
    .float-two { right: 0; top: 8%; }
    .highlight-strip { margin-top: 0; padding-top: 16px; }
    .highlight-grid { grid-template-columns: 1fr; }
    .highlight-item:not(:last-child)::after { display: none; }
    .highlight-item { border-bottom: 1px solid var(--line); }
    .highlight-item:last-child { border-bottom: 0; }
    .cards-grid.two, .cards-grid.three, .cards-grid.four, .triple-zone, .review-grid { grid-template-columns: 1fr; }
    .channel-pill { max-width: none; flex-basis: calc(50% - 6px); }
    .compliance-box, .review-feature { grid-template-columns: 1fr; padding: 25px; }
    .article-prose { padding: 23px; }
    .sub-hero { padding: 60px 0 48px; }
    .sub-hero-grid { gap: 36px; }
    .sub-hero-media img { min-height: 0; }
    .drawer-nav { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-grid > div:last-child { grid-column: auto; display: block; }
    .footer-bottom { flex-direction: column; padding-bottom: 74px; }
    .mobile-bottom-nav { position: fixed; z-index: 9000; left: 10px; right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); min-height: 58px; padding: 7px 9px; display: grid; grid-template-columns: repeat(4, 1fr); border-radius: 20px; background: rgba(12,18,40,.95); backdrop-filter: blur(12px); box-shadow: 0 18px 40px rgba(10,15,35,.3); }
    .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; text-decoration: none; color: #DCE5FF; font-size: .72rem; line-height: 1.2; }
    .mobile-bottom-nav span { font-size: 1.05rem; margin-bottom: 3px; color: #8BEAFF; }
    body { padding-bottom: 78px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
    .reveal { opacity: 1; transform: none; }
}