:root {
  --bg: #F5F7FF;
  --ink: #1F2740;
  --title: #131A35;
  --muted: #66708A;
  --soft: #9AA4BA;
  --brand: #5B6CFF;
  --brand-2: #7A5CFF;
  --cyan: #00D4FF;
  --gold: #FFC857;
  --deep: #16213E;
  --nav: rgba(12,18,40,0.94);
  --card: #FFFFFF;
  --dark-card: #11182F;
  --pale-blue: #EFF8FF;
  --pale-gold: #FFF4D6;
  --border: rgba(91,108,255,0.18);
  --shadow: 0 20px 46px rgba(25,43,91,0.14);
  --radius: 24px;
  --max: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
img { max-width: 100%; height: auto; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
main { min-height: 60vh; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: var(--nav); backdrop-filter: blur(12px); box-shadow: 0 8px 26px rgba(25,43,91,0.16); }
.header-inner { width: min(calc(100% - 32px), var(--max)); min-height: 72px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-size: 1.08rem; font-weight: 800; letter-spacing: .02em; flex: 0 0 auto; }
.site-logo img { width: 42px; height: 42px; object-fit: contain; display: block; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; min-width: 0; }
.nav-core a { color: #EEF2FF; text-decoration: none; border-radius: 999px; padding: 8px 12px; white-space: nowrap; font-size: .95rem; transition: .2s ease; }
.nav-core a:hover, .nav-core a.active { color: #fff; background: rgba(0,212,255,0.16); }
.header-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 24px; border-radius: 999px; text-decoration: none; font-weight: 800; color: #fff; background: linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%); box-shadow: 0 14px 32px rgba(91,108,255,.22); border: 0; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 36px rgba(91,108,255,.3); }
.main-btn.secondary { background: #fff; color: var(--brand); border: 1px solid var(--border); box-shadow: none; }
.block-btn { width: 100%; }
.menu-toggle { width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.08); border-radius: 14px; display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; cursor: pointer; }
.menu-toggle span { width: 19px; height: 2px; border-radius: 2px; background: #fff; }
.menu-toggle-mobile { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(6,10,24,.58); opacity: 0; transition: opacity .25s ease; }
.drawer-overlay.is-visible { opacity: 1; }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 10001; width: min(420px, 92vw); height: 100dvh; padding: 24px; background: #fff; box-shadow: -18px 0 48px rgba(10,20,52,.24); transform: translateX(104%); transition: transform .28s ease; overflow-y: auto; }
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.drawer-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--title); font-weight: 900; font-size: 1.18rem; }
.drawer-brand img { width: 44px; height: 44px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 13px; background: #EEF1FF; color: var(--title); font-size: 1.8rem; line-height: 1; cursor: pointer; }
.drawer-intro { color: var(--muted); margin: 22px 0 18px; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.drawer-nav a { text-decoration: none; padding: 12px 14px; border-radius: 14px; background: #F7F8FF; color: var(--ink); border: 1px solid transparent; }
.drawer-nav a:hover { border-color: var(--border); color: var(--brand); }
.drawer-foot { display: grid; gap: 14px; margin-top: 24px; text-align: center; }
.text-link { color: var(--brand); text-decoration: none; font-weight: 750; }
.text-link:hover { text-decoration: underline; }
.container { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.section { padding: 84px 0; position: relative; }
.section.compact { padding: 56px 0; }
.section-tint { background: linear-gradient(180deg,rgba(234,247,255,.76),rgba(245,247,255,0)); }
.section-dark { background: var(--deep); color: #EAF0FF; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-head { max-width: 760px; margin-bottom: 34px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-kicker, .eyebrow { display: inline-flex; align-items: center; gap: 8px; color: #9E6A00; background: var(--pale-gold); border: 1px solid rgba(255,200,87,.34); border-radius: 999px; padding: 6px 12px; font-weight: 850; font-size: .86rem; letter-spacing: .04em; }
h1,h2,h3,.section-title { color: var(--title); line-height: 1.22; margin-top: 0; }
h1 { font-size: clamp(2.55rem,6vw,5.4rem); letter-spacing: -.045em; margin-bottom: 22px; }
h2 { font-size: clamp(1.9rem,4vw,3.15rem); letter-spacing: -.025em; margin-bottom: 18px; }
h3 { font-size: 1.22rem; margin-bottom: 10px; }
p { margin: 0 0 1em; }
.lead { font-size: clamp(1.02rem,1.8vw,1.22rem); color: var(--muted); line-height: 1.9; }
.hero { position: relative; overflow: hidden; background: radial-gradient(circle at 12% 15%,rgba(122,92,255,.2),transparent 32%),radial-gradient(circle at 92% 12%,rgba(0,212,255,.18),transparent 30%),linear-gradient(135deg,#F8F4FF 0%,#EDF6FF 45%,#FFF6FB 100%); }
.hero::before,.hero::after { content:""; position:absolute; border-radius:50%; filter: blur(1px); pointer-events:none; }
.hero::before { width: 360px; height: 360px; top: 90px; left: -210px; background: rgba(91,108,255,.12); }
.hero::after { width: 260px; height: 260px; right: -110px; bottom: -80px; background: rgba(255,200,87,.17); }
.hero-grid { min-height: 680px; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 54px; padding: 78px 0 88px; }
.hero-copy { position: relative; z-index: 2; }
.hero-title-mark { color: var(--brand); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero-points span { background: rgba(255,255,255,.8); border: 1px solid var(--border); color: var(--deep); border-radius: 999px; padding: 7px 12px; font-weight: 750; font-size: .9rem; }
.hero-visual { position: relative; z-index: 1; }
.hero-visual::before { content:""; position:absolute; inset: 10% 8% -4% 15%; background: linear-gradient(135deg,rgba(91,108,255,.23),rgba(0,212,255,.18)); filter: blur(34px); border-radius: 46%; }
.hero-visual img { position: relative; z-index: 1; width: 100%; max-height: 590px; object-fit: contain; display: block; filter: drop-shadow(0 28px 42px rgba(28,42,92,.22)); }
.floating-note { position: absolute; z-index: 3; max-width: 220px; padding: 14px 16px; background: rgba(255,255,255,.91); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); backdrop-filter: blur(10px); }
.floating-note strong { display: block; color: var(--title); }
.floating-note small { color: var(--muted); }
.note-one { left: -12px; bottom: 12%; }
.note-two { right: 0; top: 14%; }
.highlight-strip { margin-top: -36px; position: relative; z-index: 5; }
.highlight-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; padding: 18px; border-radius: 28px; background: rgba(255,255,255,.88); border: 1px solid rgba(91,108,255,.14); box-shadow: var(--shadow); backdrop-filter: blur(12px); }
.highlight-item { padding: 18px 20px; border-radius: 19px; background: linear-gradient(180deg,#fff,#F8FAFF); }
.highlight-item b { display: block; color: var(--title); margin-bottom: 5px; }
.highlight-item p { color: var(--muted); font-size: .93rem; line-height: 1.7; margin: 0; }
.capsule-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 14px; }
.capsule { padding: 18px; border-radius: 20px; background: #fff; border: 1px solid var(--border); box-shadow: 0 12px 28px rgba(25,43,91,.08); }
.capsule h3 { margin-bottom: 6px; font-size: 1rem; }
.capsule p { color: var(--muted); font-size: .88rem; line-height: 1.65; min-height: 58px; }
.card,.zone-card,.info-card,.review-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: var(--radius); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: stretch; }
.media-panel { display: grid; grid-template-columns: .9fr 1.1fr; gap: 34px; align-items: center; padding: 30px; }
.media-panel.reverse { grid-template-columns: 1.1fr .9fr; }
.media-panel img { width: 100%; max-height: 440px; object-fit: contain; border-radius: 19px; background: linear-gradient(135deg,#EDF1FF,#EAFBFF); }
.media-copy { padding: 10px; }
.feature-list { display: grid; gap: 12px; margin: 22px 0; }
.feature-item { display: flex; gap: 12px; align-items: flex-start; }
.feature-icon { width: 34px; height: 34px; flex: 0 0 auto; border-radius: 11px; display: inline-flex; align-items: center; justify-content: center; background: linear-gradient(135deg,rgba(91,108,255,.14),rgba(0,212,255,.16)); color: var(--brand); font-weight: 900; }
.feature-item p { margin: 0; color: var(--muted); }
.zone-card { overflow: hidden; }
.zone-card img { width: 100%; height: 280px; object-fit: contain; background: linear-gradient(135deg,#F1F3FF,#EAFBFF); display: block; }
.zone-body { padding: 28px; }
.zone-body p { color: var(--muted); }
.three-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.four-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.info-card { padding: 26px; }
.info-card .number { color: var(--brand); font-weight: 900; font-size: 1.7rem; }
.info-card p { color: var(--muted); }
.security-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.security-card { padding: 28px; border-radius: 26px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); display: grid; grid-template-columns: 180px 1fr; gap: 24px; align-items: center; }
.security-card img { width: 100%; height: 180px; object-fit: contain; }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.review-card { padding: 24px; }
.review-card p { color: var(--ink); }
.review-meta { display: flex; justify-content: space-between; color: var(--muted); font-size: .88rem; margin-top: 18px; }
.faq-list { display: grid; gap: 14px; }
details { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 0 22px; box-shadow: 0 10px 24px rgba(25,43,91,.06); }
summary { cursor: pointer; font-weight: 800; color: var(--title); padding: 20px 34px 20px 0; position: relative; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content:"＋"; position:absolute; right:0; top:18px; color: var(--brand); font-size: 1.2rem; }
details[open] summary::after { content:"－"; }
details p { padding: 0 0 20px; color: var(--muted); margin: 0; }
.notice { padding: 28px; border-radius: 24px; background: linear-gradient(135deg,#FFF8E8,#F3F5FF 55%,#EAFBFF); border: 1px solid rgba(255,200,87,.38); }
.notice h2,.notice h3 { margin-bottom: 10px; }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 66px 0 0; }
.footer-inner { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; display: grid; grid-template-columns: .82fr 1.8fr; gap: 70px; }
.footer-brand p { color: #AEB8D4; max-width: 440px; }
.footer-logo { margin-bottom: 18px; }
.footer-links { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.footer-links h3 { color: #fff; font-size: 1rem; }
.footer-links a { display: block; color: #B9C3DE; text-decoration: none; margin: 8px 0; font-size: .93rem; }
.footer-links a:hover { color: #fff; }
.footer-bottom { width: min(calc(100% - 32px), var(--max)); margin: 42px auto 0; border-top: 1px solid rgba(255,255,255,.1); padding: 24px 0 32px; display: flex; justify-content: space-between; gap: 24px; color: #9EABC9; font-size: .86rem; }
.footer-bottom p:first-child { max-width: 820px; }
.mobile-bottom-nav { display: none; }
.inner-hero { background: radial-gradient(circle at 10% 20%,rgba(122,92,255,.16),transparent 32%),radial-gradient(circle at 90% 10%,rgba(0,212,255,.14),transparent 28%),linear-gradient(135deg,#FAF7FF,#EFF8FF); }
.inner-hero-grid { min-height: 530px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; padding: 70px 0; }
.inner-hero h1 { font-size: clamp(2.4rem,5vw,4.5rem); }
.inner-hero img { width: 100%; max-height: 430px; object-fit: contain; filter: drop-shadow(0 24px 38px rgba(28,42,92,.18)); }
.breadcrumb { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: .9rem; margin-bottom: 18px; }
.breadcrumb a { color: var(--brand); text-decoration: none; }
.stat-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 28px; }
.stat { padding: 15px 17px; border-radius: 17px; background: rgba(255,255,255,.74); border: 1px solid var(--border); }
.stat b { display:block; color:var(--title); }
.stat span { color:var(--muted); font-size:.85rem; }
.prose-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 28px; align-items: start; }
.prose-card { padding: 34px; }
.prose-card p { color: var(--muted); }
.side-stack { display: grid; gap: 18px; }
.side-card { padding: 24px; }
.side-card p { color: var(--muted); font-size: .95rem; }
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.step { counter-increment: step; padding: 25px; border-radius: 22px; background: #fff; border: 1px solid var(--border); box-shadow: 0 12px 28px rgba(25,43,91,.08); }
.step::before { content: counter(step, decimal-leading-zero); display:block; color:var(--brand); font-size:1.7rem; font-weight:900; margin-bottom:10px; }
.quote-card { padding: 26px; border-radius: 22px; background: linear-gradient(135deg,#fff,#F5F8FF); border: 1px solid var(--border); }
.quote-card p { color: var(--ink); }
.quote-card small { color: var(--muted); }
.service-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.service-links a { text-decoration: none; border: 1px solid var(--border); border-radius: 999px; padding: 8px 13px; color: var(--brand); background: #fff; }
@media (max-width: 1080px) {
  .nav-core { display: none; }
  .menu-toggle-mobile { display: inline-flex; order: -1; }
  .menu-toggle-desktop { display: none; }
  .site-logo { margin-right: auto; }
  .hero-grid,.inner-hero-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .capsule-grid { grid-template-columns: repeat(3,1fr); }
  .highlight-grid { grid-template-columns: repeat(2,1fr); }
  .three-grid,.review-grid { grid-template-columns: repeat(2,1fr); }
  .four-grid { grid-template-columns: repeat(2,1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 820px) {
  .section { padding: 64px 0; }
  .hero-grid,.inner-hero-grid { grid-template-columns: 1fr; min-height: auto; padding: 58px 0 70px; }
  .hero-copy { text-align: center; }
  .hero-actions,.hero-points { justify-content: center; }
  .hero-visual { max-width: 620px; margin: 0 auto; }
  .floating-note { display: none; }
  .split,.media-panel,.media-panel.reverse,.security-wrap,.prose-grid { grid-template-columns: 1fr; }
  .media-panel { padding: 22px; }
  .three-grid,.review-grid,.steps { grid-template-columns: 1fr; }
  .security-card { grid-template-columns: 130px 1fr; }
  .capsule-grid { grid-template-columns: repeat(2,1fr); }
  .footer-links { grid-template-columns: repeat(2,1fr); }
  .footer-bottom { flex-direction: column; }
  .inner-hero-copy { text-align: left; }
}
@media (max-width: 640px) {
  body { padding-bottom: calc(68px + env(safe-area-inset-bottom)); }
  .header-inner { width: min(calc(100% - 20px), var(--max)); min-height: 64px; gap: 8px; }
  .site-logo { position: absolute; left: 50%; transform: translateX(-50%); margin: 0; }
  .site-logo span { display: none; }
  .site-logo img { width: 38px; height: 38px; }
  .header-actions { margin-left: auto; }
  .header-cta { min-height: 38px; padding: 0 14px; font-size: .84rem; }
  .menu-toggle { width: 40px; height: 40px; }
  .site-drawer { left: 0; right: auto; transform: translateX(-104%); width: min(390px,92vw); padding: 20px; }
  .site-drawer.is-open { transform: translateX(0); }
  .drawer-nav { grid-template-columns: 1fr 1fr; }
  .container { width: min(calc(100% - 24px), var(--max)); }
  .section { padding: 54px 0; }
  h1 { font-size: clamp(2.4rem,15vw,4rem); }
  h2 { font-size: 1.85rem; }
  .hero-grid { padding-top: 48px; }
  .hero-actions .main-btn { width: 100%; }
  .highlight-strip { margin-top: -22px; }
  .highlight-grid,.capsule-grid,.four-grid { grid-template-columns: 1fr; }
  .capsule p { min-height: 0; }
  .zone-card img { height: 230px; }
  .security-card { grid-template-columns: 1fr; text-align: center; }
  .security-card img { height: 160px; }
  .stat-row { grid-template-columns: 1fr; }
  .prose-card { padding: 25px; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 18px; }
  .mobile-bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 9998; height: calc(62px + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom); display: grid; grid-template-columns: repeat(4,1fr); background: rgba(11,16,36,.96); border-top: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(12px); }
  .mobile-bottom-nav a { display:flex; flex-direction:column; align-items:center; justify-content:center; color:#DDE5FF; text-decoration:none; font-size:.76rem; line-height:1.2; }
  .mobile-bottom-nav span { font-size:1.15rem; margin-bottom:4px; color:#78E8FF; }
}