:root {
    --bg: #F4FBFF;
    --nav: #FFFFFF;
    --soft: #E8F7FF;
    --card: #FFFFFF;
    --primary: #10AEEA;
    --deep: #155A9D;
    --text: #24384A;
    --muted: #60758A;
    --footer: #073A68;
    --footer-text: #EAF8FF;
    --line: rgba(21, 90, 157, 0.12);
    --shadow: 0 18px 55px rgba(21, 90, 157, 0.12);
    --radius: 24px;
    --button: linear-gradient(135deg, #35D7FF 0%, #1688D8 100%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.75;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,.96);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
}
.header-inner { min-height: 76px; display: flex; align-items: center; gap: 24px; }
.brand-logo { flex: 0 0 auto; display: inline-flex; align-items: center; }
.brand-logo img { width: 148px; height: 48px; object-fit: contain; }
.desktop-nav { flex: 1; display: flex; align-items: center; justify-content: center; gap: 4px; min-width: 0; }
.desktop-nav a { padding: 10px 10px; border-radius: 999px; font-size: 14px; color: var(--deep); white-space: nowrap; transition: .2s ease; }
.desktop-nav a:hover, .desktop-nav a.active { color: #fff; background: var(--button); }
.header-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.main-btn, .secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 22px;
    border-radius: 999px;
    font-weight: 700;
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn { color: #fff; background: var(--button); box-shadow: 0 10px 24px rgba(22, 136, 216, .25); }
.main-btn:hover, .secondary-btn:hover { transform: translateY(-2px); }
.secondary-btn { color: var(--deep); background: #fff; border: 1px solid var(--line); }
.menu-toggle { display: none; width: 46px; height: 46px; padding: 10px; border: 0; border-radius: 14px; background: var(--soft); cursor: pointer; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: var(--deep); border-radius: 2px; }

.drawer-overlay { position: fixed; inset: 0; z-index: 1090; background: rgba(7,58,104,.36); opacity: 0; pointer-events: none; transition: .25s ease; }
.mobile-drawer { position: fixed; top: 0; right: 0; z-index: 1100; width: min(88vw, 380px); height: 100dvh; padding: 22px; overflow-y: auto; background: #fff; transform: translateX(100%); transition: .28s ease; box-shadow: -20px 0 60px rgba(7,58,104,.2); }
.drawer-open { overflow: hidden; }
.drawer-open .drawer-overlay { opacity: 1; pointer-events: auto; }
.drawer-open .mobile-drawer { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: var(--soft); color: var(--deep); font-size: 30px; line-height: 1; cursor: pointer; }
.mobile-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 22px 0; }
.mobile-nav a { padding: 12px 14px; border-radius: 14px; background: var(--bg); color: var(--deep); font-size: 15px; }
.drawer-register { width: 100%; }

.hero-carousel { position: relative; background: #dff5ff; overflow: hidden; }
.carousel-track { position: relative; min-height: clamp(230px, 42vw, 560px); }
.carousel-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .55s ease; pointer-events: none; display: grid; place-items: center; }
.carousel-slide.active { opacity: 1; pointer-events: auto; }
.carousel-slide img { width: 100%; height: clamp(230px, 42vw, 560px); object-fit: contain; object-position: center; }
.carousel-arrow { position: absolute; top: 50%; z-index: 5; transform: translateY(-50%); width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.5); border-radius: 50%; background: rgba(7,58,104,.5); color: #fff; font-size: 28px; cursor: pointer; backdrop-filter: blur(8px); }
.carousel-arrow.prev { left: 24px; }
.carousel-arrow.next { right: 24px; }
.carousel-dots { position: absolute; z-index: 5; left: 50%; bottom: 18px; transform: translateX(-50%); display: flex; gap: 9px; }
.carousel-dot { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.65); cursor: pointer; }
.carousel-dot.active { width: 28px; border-radius: 999px; background: #fff; }

.brand-intro { padding: 72px 0 38px; }
.brand-intro-card { padding: 44px; border-radius: 30px; background: linear-gradient(135deg, #fff 0%, #eaf8ff 100%); box-shadow: var(--shadow); }
.brand-intro-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 42px; align-items: center; }
.brand-intro h1, .inner-hero h1 { margin: 12px 0 18px; color: var(--deep); font-size: clamp(34px, 5vw, 60px); line-height: 1.14; }
.brand-intro p, .inner-hero p { margin: 0; color: var(--muted); font-size: 18px; }
.brand-intro-media img { width: 100%; max-height: 360px; object-fit: contain; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.eyebrow { display: inline-block; color: var(--primary); font-size: 14px; font-weight: 800; letter-spacing: .08em; }

.quick-scroll { padding: 28px 0 58px; }
.quick-scroll-inner { display: flex; gap: 12px; overflow-x: auto; scrollbar-width: none; padding-bottom: 8px; }
.quick-scroll-inner::-webkit-scrollbar { display: none; }
.quick-pill { flex: 0 0 auto; padding: 12px 18px; border-radius: 999px; color: var(--deep); background: #fff; border: 1px solid var(--line); box-shadow: 0 8px 18px rgba(21,90,157,.08); }
.quick-pill:hover { color: #fff; background: var(--button); }

.section { padding: 76px 0; }
.section-soft { background: var(--soft); }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-heading span { color: var(--primary); font-weight: 800; font-size: 14px; letter-spacing: .08em; }
.section-heading h2, .content-copy h2, .compliance-panel h2 { margin: 8px 0 12px; color: var(--deep); font-size: clamp(28px, 4vw, 42px); line-height: 1.22; }
.section-heading p, .content-copy p, .info-panel p, .compliance-panel p { color: var(--muted); }

.dashboard-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.dashboard-card, .category-card, .review-card, .quick-info-card, .service-card, .faq-item, .info-panel {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 14px 34px rgba(21,90,157,.08);
}
.dashboard-card { padding: 26px; }
.dashboard-card strong { display: block; margin-bottom: 8px; color: var(--deep); font-size: 19px; }
.dashboard-card p { margin: 0; color: var(--muted); }

.feature-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; }
.feature-large, .feature-small { overflow: hidden; border-radius: 30px; background: #fff; box-shadow: var(--shadow); }
.feature-large img, .feature-small img { width: 100%; height: 280px; object-fit: contain; background: #eefaff; }
.feature-copy { padding: 30px; }
.feature-copy h3 { margin: 0 0 12px; color: var(--deep); font-size: 28px; }
.feature-copy p { margin: 0 0 18px; color: var(--muted); }

.zigzag-grid { display: grid; gap: 28px; }
.zigzag-card { display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; border-radius: 30px; background: #fff; box-shadow: var(--shadow); }
.zigzag-card.reverse .zigzag-media { order: 2; }
.zigzag-media { min-height: 330px; display: grid; place-items: center; background: #eefaff; }
.zigzag-media img { width: 100%; height: 100%; max-height: 420px; object-fit: contain; }
.zigzag-copy { padding: 44px; display: flex; flex-direction: column; justify-content: center; }
.zigzag-copy h3 { margin: 8px 0 12px; color: var(--deep); font-size: 32px; }
.zigzag-copy p { color: var(--muted); }

.triple-grid, .category-grid, .review-grid, .quick-info-grid, .service-grid { display: grid; gap: 20px; }
.triple-grid { grid-template-columns: repeat(3, 1fr); }
.category-grid { grid-template-columns: repeat(4, 1fr); }
.review-grid { grid-template-columns: repeat(3, 1fr); }
.quick-info-grid { grid-template-columns: repeat(4, 1fr); }
.service-grid { grid-template-columns: repeat(3, 1fr); }
.category-card, .service-card { overflow: hidden; }
.category-card img, .service-card img { width: 100%; height: 190px; object-fit: contain; background: #f0fbff; }
.category-card div, .service-card div { padding: 24px; }
.category-card h3, .service-card h3 { margin: 0 0 10px; color: var(--deep); }
.category-card p, .service-card p { margin: 0 0 14px; color: var(--muted); }
.text-link { color: var(--primary); font-weight: 800; }

.app-banner { display: grid; grid-template-columns: 1fr .8fr; align-items: center; overflow: hidden; border-radius: 34px; background: linear-gradient(135deg, #0baeea 0%, #155a9d 100%); color: #fff; box-shadow: 0 24px 60px rgba(21,90,157,.25); }
.app-banner-copy { padding: 48px; }
.app-banner-copy h2 { margin: 8px 0 14px; font-size: clamp(30px, 4vw, 46px); line-height: 1.2; }
.app-banner-copy p { color: rgba(255,255,255,.84); }
.app-banner-media { align-self: stretch; display: grid; place-items: center; background: rgba(255,255,255,.1); }
.app-banner-media img { width: 100%; height: 100%; max-height: 390px; object-fit: contain; }
.app-banner .secondary-btn { margin-top: 18px; }

.review-card { padding: 26px; }
.review-card p { margin: 16px 0 0; color: var(--muted); }
.review-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.review-meta strong { color: var(--deep); }
.review-meta span { color: var(--primary); font-size: 13px; }

.faq-list { display: grid; gap: 14px; }
.faq-item { overflow: hidden; }
.faq-item button { width: 100%; padding: 20px 24px; border: 0; background: transparent; color: var(--deep); font-weight: 800; text-align: left; cursor: pointer; display: flex; justify-content: space-between; gap: 18px; }
.faq-item button::after { content: '+'; font-size: 24px; }
.faq-item.open button::after { content: '−'; }
.faq-answer { display: none; padding: 0 24px 22px; color: var(--muted); }
.faq-item.open .faq-answer { display: block; }

.inner-hero { padding: 70px 0; background: linear-gradient(135deg, #fff 0%, #e8f7ff 100%); }
.inner-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 46px; }
.inner-hero-copy { max-width: 690px; }
.inner-hero-media { min-height: 360px; display: grid; place-items: center; border-radius: 30px; background: rgba(255,255,255,.65); box-shadow: var(--shadow); overflow: hidden; }
.inner-hero-media img { width: 100%; height: 100%; max-height: 480px; object-fit: contain; }
.quick-info-card { padding: 24px; }
.quick-info-card strong { display: block; margin-bottom: 8px; color: var(--deep); }
.quick-info-card p { margin: 0; color: var(--muted); }
.content-split { display: grid; grid-template-columns: 1fr .92fr; gap: 50px; align-items: center; }
.content-split.reverse .content-copy { order: 2; }
.content-media { min-height: 340px; display: grid; place-items: center; border-radius: 30px; background: #fff; box-shadow: var(--shadow); overflow: hidden; }
.content-media img { width: 100%; height: 100%; max-height: 460px; object-fit: contain; }
.info-panel { padding: 34px; border-left: 5px solid var(--primary); }
.info-panel strong { color: var(--deep); font-size: 22px; }
.plain-list { margin: 22px 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.plain-list li { position: relative; padding-left: 22px; color: var(--muted); }
.plain-list li::before { content: ''; position: absolute; left: 0; top: .72em; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); }
.plain-list.compact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.compliance-panel { padding: 38px; border-radius: 30px; background: linear-gradient(135deg, #fff 0%, #eaf8ff 100%); box-shadow: var(--shadow); }

.site-footer { padding: 64px 0 20px; color: var(--footer-text); background: var(--footer); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 34px; }
.footer-logo img { width: 156px; }
.footer-brand p { max-width: 430px; color: rgba(234,248,255,.76); }
.site-footer h3 { margin-top: 0; color: #fff; }
.site-footer a { display: block; margin: 9px 0; color: rgba(234,248,255,.82); }
.site-footer a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 28px; margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.15); color: rgba(234,248,255,.68); font-size: 14px; }
.footer-bottom p { margin: 0; }

@media (max-width: 1180px) {
    .desktop-nav { display: none; }
    .menu-toggle { display: inline-block; }
    .header-inner { min-height: 70px; }
    .header-register { min-height: 42px; padding: 0 18px; }
}
@media (max-width: 960px) {
    .brand-intro-grid, .inner-hero-grid, .content-split, .app-banner, .feature-grid { grid-template-columns: 1fr; }
    .content-split.reverse .content-copy { order: initial; }
    .inner-hero-media, .content-media { min-height: 280px; }
    .dashboard-grid, .quick-info-grid, .category-grid { grid-template-columns: repeat(2, 1fr); }
    .review-grid, .triple-grid, .service-grid { grid-template-columns: repeat(2, 1fr); }
    .zigzag-card { grid-template-columns: 1fr; }
    .zigzag-card.reverse .zigzag-media { order: initial; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    .container { width: min(100% - 24px, 1180px); }
    .brand-logo img { width: 126px; height: 42px; }
    .header-register { padding: 0 15px; }
    .carousel-arrow { width: 40px; height: 40px; font-size: 24px; }
    .carousel-arrow.prev { left: 10px; }
    .carousel-arrow.next { right: 10px; }
    .brand-intro { padding-top: 42px; }
    .brand-intro-card, .zigzag-copy, .app-banner-copy { padding: 28px; }
    .section { padding: 56px 0; }
    .dashboard-grid, .quick-info-grid, .category-grid, .review-grid, .triple-grid, .service-grid { grid-template-columns: 1fr; }
    .inner-hero { padding: 48px 0; }
    .brand-intro h1, .inner-hero h1 { font-size: 36px; }
    .inner-hero p, .brand-intro p { font-size: 16px; }
    .content-split { gap: 30px; }
    .plain-list.compact { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; }
    .mobile-nav { grid-template-columns: 1fr 1fr; }
}