@charset "UTF-8";

:root {
    --bg: #F4FBFF;
    --surface: #FFFFFF;
    --soft: #E8F7FF;
    --primary: #11AEEA;
    --primary-strong: #1688D8;
    --deep: #155A9D;
    --text: #24384A;
    --muted: #60758A;
    --border: rgba(17, 174, 234, 0.18);
    --footer: #073A68;
    --footer-text: #EAF8FF;
    --gradient: linear-gradient(135deg, #35D7FF 0%, #1688D8 100%);
    --shadow: 0 18px 50px rgba(22, 136, 216, 0.12);
    --shadow-soft: 0 10px 30px rgba(21, 90, 157, 0.09);
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 14px;
    --header-height: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
body.drawer-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.skip-link {
    position: fixed;
    top: -80px;
    left: 16px;
    z-index: 3000;
    padding: 10px 16px;
    border-radius: 10px;
    background: var(--footer);
    color: #fff;
    transition: top .2s ease;
}
.skip-link:focus { top: 12px; }

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    min-height: var(--header-height);
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
}
.header-inner {
    width: min(100% - 32px, 1360px);
    min-height: var(--header-height);
    margin-inline: auto;
    display: flex;
    align-items: center;
    gap: clamp(12px, 2vw, 28px);
}
.brand-logo, .drawer-logo, .footer-logo { flex: 0 0 auto; }
.brand-logo img { width: clamp(116px, 9vw, 150px); height: 46px; object-fit: contain; }
.desktop-nav {
    flex: 1;
    min-width: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(6px, .72vw, 14px);
    overflow: hidden;
}
.desktop-nav a {
    white-space: nowrap;
    padding: 8px clamp(4px, .35vw, 8px);
    border-radius: 10px;
    color: var(--text);
    font-size: clamp(13px, .88vw, 15px);
    font-weight: 650;
    transition: color .2s ease, background .2s ease;
}
.desktop-nav a:hover, .desktop-nav a.active { color: var(--primary-strong); background: var(--soft); }
.header-actions { flex: 0 0 auto; display: flex; align-items: center; gap: 10px; }
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 22px;
    border: 0;
    border-radius: 999px;
    background: var(--gradient);
    color: #fff;
    font-weight: 750;
    line-height: 1;
    box-shadow: 0 10px 24px rgba(22, 136, 216, 0.22);
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(22, 136, 216, 0.28); }
.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
}
.menu-toggle span { display: block; width: 100%; height: 2px; margin: 5px 0; border-radius: 2px; background: var(--deep); }
.site-main { padding-top: var(--header-height); }

.drawer-overlay {
    position: fixed;
    inset: 0;
    z-index: 1090;
    background: rgba(7, 58, 104, .46);
    opacity: 0;
    transition: opacity .25s ease;
}
.drawer-overlay.visible { opacity: 1; }
.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1100;
    width: min(88vw, 380px);
    height: 100dvh;
    padding: 20px;
    overflow-y: auto;
    background: #fff;
    transform: translateX(105%);
    transition: transform .28s ease;
    box-shadow: -20px 0 50px rgba(7, 58, 104, .18);
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.drawer-logo img { width: 132px; height: 44px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 12px; background: var(--soft); color: var(--deep); font-size: 30px; line-height: 1; }
.drawer-nav { display: grid; gap: 6px; padding: 18px 0; }
.drawer-nav a { padding: 12px 14px; border-radius: 12px; color: var(--text); font-weight: 650; }
.drawer-nav a:hover, .drawer-nav a.active { background: var(--soft); color: var(--primary-strong); }
.drawer-register { width: 100%; }

.container { width: min(100% - 32px, 1200px); margin-inline: auto; }
.wide-container { width: min(100% - 32px, 1360px); margin-inline: auto; }
.section { padding: clamp(54px, 7vw, 92px) 0; }
.section.compact { padding: clamp(40px, 5vw, 66px) 0; }
.section-soft { background: var(--soft); }
.section-white { background: var(--surface); }
.section-heading { max-width: 760px; margin-bottom: 30px; }
.section-heading.center { margin-inline: auto; text-align: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 10px; color: var(--primary-strong); font-size: 14px; font-weight: 800; letter-spacing: .08em; }
.eyebrow::before { content: ""; width: 24px; height: 3px; border-radius: 99px; background: var(--gradient); }
h1, h2, h3 { margin: 0 0 .6em; color: var(--deep); line-height: 1.25; }
h1 { font-size: clamp(34px, 5vw, 64px); letter-spacing: -.03em; }
h2 { font-size: clamp(28px, 3.6vw, 46px); }
h3 { font-size: clamp(20px, 2vw, 26px); }
p { margin: 0 0 1em; }
.lead { color: var(--muted); font-size: clamp(17px, 1.6vw, 20px); }
.muted { color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary-strong); font-weight: 750; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 10px 20px; border: 1px solid var(--border); border-radius: 999px; background: #fff; color: var(--primary-strong); font-weight: 750; }

.carousel-wrap { padding: clamp(18px, 3vw, 34px) 0 0; }
.carousel {
    position: relative;
    width: min(100% - 32px, 1360px);
    margin-inline: auto;
    overflow: hidden;
    border-radius: var(--radius-xl);
    background: #dff4ff;
    box-shadow: var(--shadow);
    aspect-ratio: 16 / 6.3;
}
.carousel-track, .carousel-slide { position: absolute; inset: 0; }
.carousel-slide { opacity: 0; visibility: hidden; transition: opacity .55s ease, visibility .55s ease; }
.carousel-slide.active { opacity: 1; visibility: visible; }
.carousel-slide img { width: 100%; height: 100%; object-fit: contain; background: #e9f8ff; }
.carousel-control {
    position: absolute;
    top: 50%;
    z-index: 3;
    width: 46px;
    height: 46px;
    border: 1px solid rgba(255,255,255,.65);
    border-radius: 50%;
    background: rgba(7,58,104,.48);
    color: #fff;
    font-size: 28px;
    transform: translateY(-50%);
    backdrop-filter: blur(8px);
}
.carousel-control.prev { left: 18px; }
.carousel-control.next { right: 18px; }
.carousel-dots { position: absolute; left: 50%; bottom: 16px; z-index: 3; display: flex; gap: 9px; transform: translateX(-50%); }
.carousel-dot { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.62); box-shadow: 0 0 0 1px rgba(7,58,104,.15); }
.carousel-dot.active { width: 28px; border-radius: 99px; background: #fff; }

.intro-grid, .split-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); gap: clamp(28px, 5vw, 68px); align-items: center; }
.media-card { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius-xl); background: #fff; box-shadow: var(--shadow-soft); }
.media-card img { width: 100%; max-height: 520px; object-fit: contain; background: var(--soft); }
.media-caption { padding: 20px 22px; }

.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.card-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.info-card, .feature-card, .review-card, .notice-card, .mini-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-soft);
}
.info-card, .feature-card, .review-card, .notice-card { padding: clamp(22px, 3vw, 30px); }
.info-card h3, .feature-card h3, .notice-card h3 { margin-bottom: 10px; }
.card-number { display: inline-grid; place-items: center; width: 42px; height: 42px; margin-bottom: 18px; border-radius: 13px; background: var(--soft); color: var(--primary-strong); font-weight: 850; }
.category-card { position: relative; min-height: 230px; padding: 26px; overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius-lg); background: linear-gradient(145deg, #fff 0%, #eefaff 100%); box-shadow: var(--shadow-soft); }
.category-card::after { content: ""; position: absolute; right: -35px; bottom: -45px; width: 130px; height: 130px; border-radius: 50%; background: rgba(53,215,255,.15); }
.category-card > * { position: relative; z-index: 1; }
.category-card p { color: var(--muted); }

.product-showcase { display: grid; grid-template-columns: repeat(12, 1fr); gap: 20px; }
.product-panel { grid-column: span 4; min-height: 280px; padding: 28px; border: 1px solid var(--border); border-radius: var(--radius-xl); background: #fff; box-shadow: var(--shadow-soft); }
.product-panel.wide { grid-column: span 8; }
.product-panel.soft { background: linear-gradient(145deg, #e8f7ff, #fff); }
.product-panel ul, .check-list { margin: 18px 0 0; padding: 0; list-style: none; }
.product-panel li, .check-list li { position: relative; padding: 7px 0 7px 28px; color: var(--muted); }
.product-panel li::before, .check-list li::before { content: "✓"; position: absolute; left: 0; top: 7px; display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: var(--soft); color: var(--primary-strong); font-size: 12px; font-weight: 900; }

.page-hero { position: relative; overflow: hidden; padding: clamp(70px, 10vw, 132px) 0 clamp(54px, 8vw, 96px); background: linear-gradient(135deg, #f8fdff 0%, #e3f6ff 58%, #f4fbff 100%); }
.page-hero::before, .page-hero::after { content: ""; position: absolute; border-radius: 50%; pointer-events: none; }
.page-hero::before { width: 360px; height: 360px; right: -120px; top: -170px; background: rgba(53,215,255,.18); }
.page-hero::after { width: 220px; height: 220px; left: -90px; bottom: -120px; background: rgba(22,136,216,.10); }
.page-hero .container { position: relative; z-index: 1; }
.page-hero p { max-width: 760px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.hero-badges span { padding: 8px 13px; border: 1px solid var(--border); border-radius: 999px; background: rgba(255,255,255,.78); color: var(--deep); font-size: 14px; font-weight: 700; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; color: var(--muted); font-size: 14px; }
.breadcrumbs a { color: var(--primary-strong); }

.image-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.image-card { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-soft); }
.image-card img { width: 100%; height: 300px; object-fit: contain; background: var(--soft); }
.image-card .content { padding: 22px; }

.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.review-card { position: relative; }
.review-card::before { content: "“"; position: absolute; top: 12px; right: 20px; color: rgba(17,174,234,.18); font-family: Georgia, serif; font-size: 74px; line-height: 1; }
.review-card p { position: relative; z-index: 1; color: var(--text); }
.review-card strong { display: block; margin-top: 18px; color: var(--primary-strong); }

.notice-band { padding: 28px; border: 1px solid var(--border); border-radius: var(--radius-xl); background: linear-gradient(135deg, #e9f9ff 0%, #fff 100%); box-shadow: var(--shadow-soft); }
.notice-band h2 { font-size: clamp(24px, 3vw, 36px); }
.notice-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 22px; }
.mini-card { padding: 20px; }
.mini-card strong { display: block; margin-bottom: 6px; color: var(--deep); }

.faq-list { display: grid; gap: 14px; }
.faq-item { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; box-shadow: var(--shadow-soft); }
.faq-question { width: 100%; display: flex; justify-content: space-between; gap: 20px; padding: 20px 22px; border: 0; background: transparent; color: var(--deep); text-align: left; font-weight: 800; }
.faq-question span:last-child { flex: 0 0 auto; color: var(--primary-strong); font-size: 22px; transition: transform .2s ease; }
.faq-answer { display: none; padding: 0 22px 22px; color: var(--muted); }
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-question span:last-child { transform: rotate(45deg); }

.table-like { display: grid; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; background: #fff; box-shadow: var(--shadow-soft); }
.table-row { display: grid; grid-template-columns: 220px minmax(0, 1fr); border-bottom: 1px solid var(--border); }
.table-row:last-child { border-bottom: 0; }
.table-row strong, .table-row span { padding: 18px 20px; }
.table-row strong { background: var(--soft); color: var(--deep); }
.table-row span { color: var(--muted); }

.site-footer { background: var(--footer); color: var(--footer-text); }
.footer-inner { width: min(100% - 32px, 1200px); margin-inline: auto; padding: 62px 0 42px; display: grid; grid-template-columns: minmax(260px, 1.1fr) minmax(0, 1.9fr); gap: 60px; }
.footer-logo img { width: 150px; height: 48px; object-fit: contain; filter: brightness(0) invert(1); }
.footer-brand p { max-width: 520px; margin-top: 18px; color: rgba(234,248,255,.78); }
.footer-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.footer-links h2 { margin-bottom: 14px; color: #fff; font-size: 17px; }
.footer-links a { display: block; padding: 5px 0; color: rgba(234,248,255,.8); }
.footer-links a:hover { color: #fff; }
.footer-notice { border-top: 1px solid rgba(234,248,255,.12); padding: 24px 16px 30px; text-align: center; }
.footer-notice p { width: min(100%, 1040px); margin: 0 auto 8px; color: rgba(234,248,255,.72); font-size: 14px; }

@media (max-width: 1179px) {
    .desktop-nav { display: none; }
    .menu-toggle { display: inline-block; }
    .header-inner { justify-content: space-between; }
}
@media (max-width: 960px) {
    .card-grid, .card-grid.four, .review-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .intro-grid, .split-grid { grid-template-columns: 1fr; }
    .product-panel, .product-panel.wide { grid-column: span 6; }
    .notice-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-inner { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 720px) {
    :root { --header-height: 68px; }
    .header-inner { width: min(100% - 20px, 1360px); }
    .brand-logo img { width: 112px; height: 40px; }
    .header-actions .main-btn { min-height: 38px; padding: 9px 17px; }
    .menu-toggle { width: 40px; height: 40px; }
    .carousel { width: min(100% - 20px, 1360px); aspect-ratio: 16 / 9; border-radius: 18px; }
    .carousel-control { width: 38px; height: 38px; font-size: 22px; }
    .carousel-control.prev { left: 10px; }
    .carousel-control.next { right: 10px; }
    .carousel-dots { bottom: 10px; }
    .container, .wide-container { width: min(100% - 24px, 1200px); }
    .card-grid, .card-grid.four, .review-grid, .image-grid { grid-template-columns: 1fr; }
    .product-panel, .product-panel.wide { grid-column: span 12; }
    .notice-grid { grid-template-columns: 1fr; }
    .table-row { grid-template-columns: 1fr; }
    .table-row strong { padding-bottom: 8px; }
    .table-row span { padding-top: 8px; }
    .footer-links { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .header-actions { gap: 6px; }
    .header-actions .main-btn { padding-inline: 14px; }
    .section { padding: 50px 0; }
    .page-hero { padding-top: 58px; }
    .footer-links { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}