@charset "UTF-8";
:root {
    --bg: #F4FBFF;
    --surface-soft: #E8F7FF;
    --surface: #FFFFFF;
    --primary: #11AEEA;
    --primary-strong: #1688D8;
    --deep-blue: #155A9D;
    --text: #24384A;
    --muted: #60758A;
    --border: rgba(17, 174, 234, 0.18);
    --shadow: 0 18px 48px rgba(21, 90, 157, 0.11);
    --shadow-soft: 0 10px 30px rgba(21, 90, 157, 0.08);
    --radius-lg: 28px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --header-height: 78px;
}
* { 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: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
    line-height: 1.75;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(16px);
    transition: box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled { box-shadow: 0 12px 32px rgba(21, 90, 157, .12); }
.header-inner {
    width: min(100% - 32px, 1360px);
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: clamp(14px, 2vw, 30px);
}
.brand-logo, .drawer-logo, .footer-logo { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand-logo img { width: clamp(112px, 9vw, 148px); max-height: 50px; object-fit: contain; }
.desktop-nav {
    flex: 1;
    min-width: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(8px, 1.05vw, 17px);
    overflow: hidden;
}
.nav-link {
    position: relative;
    white-space: nowrap;
    flex: 0 0 auto;
    padding: 10px 0;
    font-size: clamp(13px, .92vw, 15px);
    color: #35566F;
    transition: color .2s ease;
}
.nav-link::after {
    content: "";
    position: absolute;
    left: 50%;
    right: 50%;
    bottom: 3px;
    height: 2px;
    border-radius: 999px;
    background: var(--primary);
    transition: left .2s ease, right .2s ease;
}
.nav-link:hover, .nav-link.is-active { color: var(--primary-strong); }
.nav-link:hover::after, .nav-link.is-active::after { left: 12%; right: 12%; }
.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: 44px;
    padding: 0 23px;
    border: 0;
    border-radius: 999px;
    color: #fff;
    font-weight: 700;
    background: linear-gradient(135deg, #35D7FF 0%, #1688D8 100%);
    box-shadow: 0 10px 24px rgba(22, 136, 216, .23);
    transition: transform .2s ease, box-shadow .2s ease;
    white-space: nowrap;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(22, 136, 216, .28); }
.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 13px;
    background: #fff;
}
.menu-toggle span { display: block; height: 2px; margin: 5px 0; border-radius: 999px; background: var(--deep-blue); }
.site-main { padding-top: var(--header-height); }
.container { width: min(100% - 32px, 1200px); margin: 0 auto; }
.wide-container { width: min(100% - 32px, 1360px); margin: 0 auto; }
.section { padding: clamp(58px, 7vw, 96px) 0; }
.section.is-soft { background: var(--surface-soft); }
.section.is-white { background: var(--surface); }
.section-heading { max-width: 780px; margin-bottom: 32px; }
.section-heading.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 4px 13px;
    border-radius: 999px;
    color: var(--primary-strong);
    background: rgba(17, 174, 234, .1);
    border: 1px solid var(--border);
    font-size: 14px;
    font-weight: 700;
}
h1, h2, h3 { margin-top: 0; color: var(--deep-blue); line-height: 1.32; }
h1 { margin-bottom: 20px; font-size: clamp(34px, 5vw, 64px); letter-spacing: -.02em; }
h2 { margin-bottom: 16px; font-size: clamp(26px, 3.3vw, 42px); }
h3 { margin-bottom: 10px; font-size: clamp(19px, 2vw, 24px); }
p { margin: 0 0 16px; }
.lead { max-width: 760px; color: #3F5D74; font-size: clamp(17px, 1.7vw, 21px); }
.text-muted { color: var(--muted); }
.hero-shell {
    position: relative;
    overflow: hidden;
    padding: clamp(68px, 8vw, 110px) 0;
    background:
        radial-gradient(circle at 85% 20%, rgba(53, 215, 255, .22), transparent 28%),
        radial-gradient(circle at 5% 90%, rgba(22, 136, 216, .16), transparent 33%),
        linear-gradient(180deg, #F5FCFF 0%, #EAF8FF 100%);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); gap: clamp(34px, 6vw, 82px); align-items: center; }
.hero-copy .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 22px;
    border-radius: 999px;
    color: var(--primary-strong);
    background: #fff;
    border: 1px solid var(--border);
    font-weight: 700;
}
.hero-media, .content-media {
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.hero-media img, .content-media img { width: 100%; height: auto; object-fit: contain; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.hero-points span { padding: 8px 13px; border-radius: 999px; background: rgba(255,255,255,.8); border: 1px solid var(--border); color: var(--deep-blue); font-size: 14px; }
.carousel-section { padding: 28px 0 0; }
.carousel {
    position: relative;
    overflow: hidden;
    width: min(100% - 32px, 1360px);
    margin: 0 auto;
    border-radius: var(--radius-lg);
    background: #EAF8FF;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.carousel-track { display: flex; transition: transform .55s cubic-bezier(.22,.61,.36,1); }
.carousel-slide { min-width: 100%; background: linear-gradient(180deg, #EAF8FF, #fff); }
.carousel-slide img { width: 100%; aspect-ratio: 16 / 6.6; object-fit: contain; }
.carousel-arrow {
    position: absolute;
    top: 50%;
    z-index: 2;
    width: 46px;
    height: 46px;
    transform: translateY(-50%);
    border: 1px solid rgba(255,255,255,.75);
    border-radius: 50%;
    background: rgba(7, 58, 104, .58);
    color: #fff;
    font-size: 27px;
    line-height: 1;
    backdrop-filter: blur(10px);
}
.carousel-arrow.prev { left: 18px; }
.carousel-arrow.next { right: 18px; }
.carousel-dots { position: absolute; left: 50%; bottom: 16px; z-index: 2; display: flex; gap: 8px; transform: translateX(-50%); }
.carousel-dot { width: 9px; height: 9px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.65); box-shadow: 0 0 0 1px rgba(7,58,104,.15); }
.carousel-dot.is-active { width: 28px; border-radius: 999px; background: var(--primary); }
.intro-panel {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 32px;
    padding: clamp(28px, 5vw, 56px);
    border-radius: var(--radius-lg);
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
}
.info-list { display: grid; gap: 14px; }
.info-item { display: flex; gap: 13px; align-items: flex-start; padding: 16px; border-radius: var(--radius-sm); background: var(--surface-soft); }
.info-icon {
    flex: 0 0 34px;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    color: #fff;
    background: linear-gradient(135deg, #35D7FF, #1688D8);
    font-weight: 800;
}
.grid { display: grid; gap: 22px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card {
    min-width: 0;
    padding: 26px;
    border-radius: var(--radius-md);
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    transition: transform .22s ease, box-shadow .22s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card p:last-child { margin-bottom: 0; }
.card-link { display: inline-flex; margin-top: 12px; color: var(--primary-strong); font-weight: 700; }
.card-link::after { content: "→"; margin-left: 7px; transition: transform .2s ease; }
.card-link:hover::after { transform: translateX(4px); }
.feature-card { padding: 0; overflow: hidden; }
.feature-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: contain; background: #EAF8FF; }
.feature-card .card-body { padding: 24px; }
.split-section { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .86fr); gap: clamp(32px, 6vw, 74px); align-items: center; }
.split-section.reverse .content-media { order: -1; }
.badge-list { display: flex; flex-wrap: wrap; gap: 9px; margin: 22px 0; }
.badge-list span { padding: 7px 12px; border-radius: 999px; color: var(--deep-blue); background: rgba(17,174,234,.09); border: 1px solid var(--border); font-size: 14px; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 26px; }
.stat { padding: 19px; text-align: center; border-radius: var(--radius-sm); background: #fff; border: 1px solid var(--border); }
.stat strong { display: block; color: var(--primary-strong); font-size: 25px; }
.notice {
    padding: 24px;
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    background: #fff;
    box-shadow: var(--shadow-soft);
}
.notice strong { color: var(--deep-blue); }
.steps { counter-reset: step; display: grid; gap: 16px; }
.step {
    position: relative;
    padding: 22px 22px 22px 74px;
    border-radius: var(--radius-md);
    background: #fff;
    border: 1px solid var(--border);
}
.step::before {
    counter-increment: step;
    content: counter(step, decimal-leading-zero);
    position: absolute;
    left: 20px;
    top: 22px;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    color: #fff;
    background: linear-gradient(135deg, #35D7FF, #1688D8);
    font-weight: 800;
}
.reviews { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.review { position: relative; padding: 28px; border-radius: var(--radius-md); background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-soft); }
.review::before { content: "“"; position: absolute; right: 20px; top: 3px; color: rgba(17,174,234,.16); font-size: 76px; font-family: Georgia, serif; line-height: 1; }
.review p { position: relative; color: #3C586D; }
.review strong { display: block; color: var(--deep-blue); }
.review span { color: var(--muted); font-size: 14px; }
.faq-list { display: grid; gap: 14px; }
.faq-item { overflow: hidden; border-radius: var(--radius-sm); background: #fff; border: 1px solid var(--border); }
.faq-item summary { list-style: none; position: relative; padding: 20px 58px 20px 22px; color: var(--deep-blue); font-weight: 700; cursor: pointer; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); color: var(--primary-strong); font-size: 25px; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 22px 22px; color: #48657A; }
.compliance-panel {
    padding: clamp(28px, 5vw, 48px);
    border-radius: var(--radius-lg);
    color: #EAF8FF;
    background: linear-gradient(135deg, #0A4D83 0%, #073A68 100%);
    box-shadow: var(--shadow);
}
.compliance-panel h2, .compliance-panel h3 { color: #fff; }
.compliance-panel p { color: #D9F4FF; }
.tag-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 26px; }
.tag-grid div { padding: 17px; border: 1px solid rgba(255,255,255,.18); border-radius: 14px; background: rgba(255,255,255,.08); }
.link-list { display: grid; gap: 10px; }
.link-list a { display: flex; justify-content: space-between; gap: 15px; padding: 15px 0; border-bottom: 1px solid var(--border); color: var(--deep-blue); font-weight: 700; }
.link-list a::after { content: "→"; color: var(--primary); }
.service-band { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 28px 30px; border-radius: var(--radius-md); background: linear-gradient(135deg, #E8F7FF, #FFFFFF); border: 1px solid var(--border); }
.service-band p { margin-bottom: 0; color: #48657A; }
.site-footer { background: #073A68; color: #EAF8FF; }
.footer-inner { width: min(100% - 32px, 1200px); margin: 0 auto; display: grid; grid-template-columns: 1.1fr 1.4fr; gap: 60px; padding: 60px 0 42px; }
.footer-brand p { max-width: 490px; color: #C7E8F7; }
.footer-logo img { width: 142px; max-height: 52px; object-fit: contain; filter: brightness(0) invert(1); margin-bottom: 20px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.footer-links h2 { margin-bottom: 13px; color: #fff; font-size: 17px; }
.footer-links a { display: block; padding: 5px 0; color: #C7E8F7; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-notice { border-top: 1px solid rgba(255,255,255,.13); border-bottom: 1px solid rgba(255,255,255,.13); }
.footer-notice p { width: min(100% - 32px, 1200px); margin: 0 auto; padding: 22px 0; color: #C7E8F7; font-size: 14px; }
.footer-bottom { width: min(100% - 32px, 1200px); margin: 0 auto; display: flex; justify-content: space-between; gap: 20px; padding: 21px 0 28px; color: #A9D6EB; font-size: 14px; }
.drawer-mask { position: fixed; inset: 0; z-index: 1100; background: rgba(7,58,104,.42); opacity: 0; transition: opacity .25s ease; }
.drawer-mask.is-visible { opacity: 1; }
.mobile-drawer { position: fixed; z-index: 1200; top: 0; right: 0; width: min(88vw, 360px); height: 100dvh; padding: 18px; transform: translateX(104%); transition: transform .28s ease; background: #fff; box-shadow: -20px 0 50px rgba(7,58,104,.18); overflow-y: auto; }
.mobile-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.drawer-logo img { width: 122px; max-height: 46px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 12px; background: var(--surface-soft); color: var(--deep-blue); font-size: 28px; line-height: 1; }
.drawer-nav { display: grid; padding: 18px 0; }
.drawer-link { padding: 13px 12px; border-radius: 11px; color: #35566F; font-weight: 700; }
.drawer-link:hover, .drawer-link.is-active { color: var(--primary-strong); background: var(--surface-soft); }
.drawer-register { width: 100%; }
@media (max-width: 1179px) {
    .desktop-nav { display: none; }
    .menu-toggle { display: block; }
    .header-inner { gap: 14px; }
    .brand-logo { margin-right: auto; }
}
@media (max-width: 980px) {
    .hero-grid, .intro-panel, .split-section { grid-template-columns: 1fr; }
    .split-section.reverse .content-media { order: 0; }
    .grid.four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid.three, .reviews { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-inner { grid-template-columns: 1fr; gap: 36px; }
    .tag-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
    :root { --header-height: 68px; }
    .header-inner, .container, .wide-container { width: min(100% - 24px, 1200px); }
    .brand-logo img { width: 106px; }
    .main-btn { min-height: 40px; padding: 0 17px; }
    .menu-toggle { width: 40px; height: 40px; }
    .carousel-section { padding-top: 14px; }
    .carousel { width: min(100% - 24px, 1360px); border-radius: 18px; }
    .carousel-slide img { aspect-ratio: 16 / 9; }
    .carousel-arrow { width: 38px; height: 38px; font-size: 22px; }
    .carousel-arrow.prev { left: 10px; }
    .carousel-arrow.next { right: 10px; }
    .carousel-dots { bottom: 10px; }
    .section { padding: 52px 0; }
    .hero-shell { padding: 54px 0; }
    .grid.two, .grid.three, .grid.four, .reviews, .tag-grid { grid-template-columns: 1fr; }
    .card, .review { padding: 22px; }
    .stat-row { grid-template-columns: 1fr; }
    .service-band { align-items: flex-start; flex-direction: column; }
    .footer-links { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; }
}
@media (max-width: 420px) {
    .header-inner { width: min(100% - 18px, 1360px); }
    .header-actions { gap: 7px; }
    .brand-logo img { width: 98px; }
    .main-btn { padding: 0 14px; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions a { width: 100%; }
    .footer-links { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}