* {
    box-sizing: border-box;
}

:root {
    --bg: #F4FBFF;
    --nav: #FFFFFF;
    --soft: #E8F7FF;
    --card: #FFFFFF;
    --primary: #10AEEA;
    --deep: #155A9D;
    --text: #24384A;
    --muted: #60758A;
    --footer: #073A68;
    --line: #D5ECF8;
    --shadow: 0 16px 40px rgba(21, 90, 157, .10);
    --radius: 22px;
    --container: 1240px;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    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;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button {
    font: inherit;
}

.skip-link {
    position: fixed;
    left: 16px;
    top: -80px;
    z-index: 9999;
    padding: 10px 16px;
    border-radius: 10px;
    background: #073A68;
    color: #fff;
    transition: top .2s ease;
}

.skip-link:focus {
    top: 16px;
}

.container {
    width: min(calc(100% - 32px), var(--container));
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(21, 90, 157, .10);
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(14px);
}

.header-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.brand-logo {
    flex: 0 0 auto;
    width: 138px;
}

.brand-logo img {
    width: 100%;
    object-fit: contain;
}

.desktop-nav {
    min-width: 0;
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(10px, 1.15vw, 22px);
    white-space: nowrap;
}

.desktop-nav a {
    position: relative;
    color: #36546C;
    font-size: 14px;
    font-weight: 700;
    padding: 25px 0 21px;
}

.desktop-nav a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 15px;
    width: 0;
    height: 3px;
    border-radius: 999px;
    background: var(--primary);
    transform: translateX(-50%);
    transition: width .2s ease;
}

.desktop-nav a:hover,
.desktop-nav a.active {
    color: var(--primary);
}

.desktop-nav a:hover::after,
.desktop-nav a.active::after {
    width: 22px;
}

.header-actions {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.main-btn,
.secondary-btn {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 999px;
    padding: 10px 24px;
    font-weight: 800;
    transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease;
}

.main-btn {
    background: linear-gradient(135deg, #35D7FF 0%, #1688D8 100%);
    color: #fff;
    box-shadow: 0 10px 24px rgba(22, 136, 216, .24);
}

.secondary-btn {
    border: 1px solid #BDE5F8;
    background: #fff;
    color: var(--deep);
}

.main-btn:hover,
.secondary-btn:hover {
    transform: translateY(-2px);
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    border-radius: 999px;
    background: var(--deep);
}

.drawer-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1100;
    background: rgba(3, 31, 55, .48);
    opacity: 0;
    transition: opacity .22s ease;
}

.drawer-backdrop.show {
    opacity: 1;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1200;
    width: min(88vw, 380px);
    height: 100dvh;
    padding: 22px;
    background: #fff;
    box-shadow: -18px 0 50px rgba(7, 58, 104, .18);
    transform: translateX(105%);
    transition: transform .24s ease;
    overflow-y: auto;
}

.mobile-drawer.open {
    transform: translateX(0);
}

.drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}

.drawer-brand {
    color: var(--deep);
    font-size: 22px;
    font-weight: 900;
    letter-spacing: .04em;
}

.drawer-close {
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: 12px;
    background: var(--soft);
    color: var(--deep);
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

.drawer-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 20px 0;
}

.drawer-nav a {
    padding: 11px 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    color: #36546C;
    background: #fff;
    font-weight: 700;
    text-align: center;
}

.drawer-nav a.active {
    border-color: #8FD9F7;
    background: var(--soft);
    color: var(--primary);
}

.drawer-register {
    width: 100%;
}

.carousel-section {
    padding: 20px 0 0;
}

.carousel {
    position: relative;
    overflow: hidden;
    border-radius: 28px;
    background: #D9F2FF;
    box-shadow: var(--shadow);
}

.carousel-track {
    display: flex;
    transition: transform .55s cubic-bezier(.22, .61, .36, 1);
}

.carousel-slide {
    min-width: 100%;
}

.carousel-slide img {
    width: 100%;
    aspect-ratio: 16 / 6.4;
    object-fit: contain;
    background: #EAF8FF;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    width: 46px;
    height: 46px;
    border: 1px solid rgba(255,255,255,.74);
    border-radius: 50%;
    background: rgba(7, 58, 104, .46);
    color: #fff;
    font-size: 26px;
    line-height: 1;
    transform: translateY(-50%);
    cursor: pointer;
    backdrop-filter: blur(6px);
}

.carousel-arrow.prev { left: 18px; }
.carousel-arrow.next { right: 18px; }

.carousel-dots {
    position: absolute;
    left: 50%;
    bottom: 14px;
    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,.64);
    cursor: pointer;
}

.carousel-dot.active {
    width: 24px;
    border-radius: 999px;
    background: #fff;
}

.hero-copy,
.page-hero {
    padding: clamp(52px, 8vw, 92px) 0;
}

.hero-copy {
    padding-bottom: 42px;
}

.page-hero {
    background:
        radial-gradient(circle at 12% 10%, rgba(53, 215, 255, .22), transparent 32%),
        linear-gradient(180deg, #FFFFFF 0%, #EAF8FF 100%);
    border-bottom: 1px solid var(--line);
}

.hero-grid,
.page-hero-grid,
.split-layout,
.banner-layout,
.security-layout {
    display: grid;
    align-items: center;
    gap: clamp(28px, 5vw, 72px);
}

.hero-grid,
.page-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
}

.split-layout,
.banner-layout,
.security-layout {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 1fr);
}

.split-layout.reverse .media-card {
    order: 2;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: .14em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 20px;
    color: var(--deep);
    font-size: clamp(34px, 5.2vw, 64px);
    line-height: 1.12;
    letter-spacing: -.03em;
}

h2 {
    margin-bottom: 16px;
    color: var(--deep);
    font-size: clamp(28px, 3.6vw, 44px);
    line-height: 1.22;
    letter-spacing: -.02em;
}

h3 {
    margin-bottom: 10px;
    color: var(--deep);
    font-size: 20px;
    line-height: 1.35;
}

.lead {
    color: #39556D;
    font-size: clamp(17px, 1.6vw, 20px);
}

.hero-actions,
.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}

.hero-card,
.media-card,
.info-card,
.review-card,
.faq-item,
.notice-card,
.metric-card,
.category-card {
    border: 1px solid rgba(21, 90, 157, .10);
    background: var(--card);
    box-shadow: var(--shadow);
}

.hero-card,
.media-card {
    overflow: hidden;
    border-radius: 28px;
}

.hero-card img,
.media-card img {
    width: 100%;
    max-height: 520px;
    object-fit: contain;
    background: #EAF8FF;
}

.section {
    padding: clamp(64px, 8vw, 104px) 0;
}

.section-soft {
    background: var(--soft);
}

.section-white {
    background: #fff;
}

.section-head {
    max-width: 760px;
    margin-bottom: 34px;
}

.section-head.center {
    margin-inline: auto;
    text-align: center;
}

.section-head p {
    color: var(--muted);
}

.pill-scroll {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding: 4px 2px 14px;
    scrollbar-width: none;
}

.pill-scroll::-webkit-scrollbar {
    display: none;
}

.pill-scroll a {
    flex: 0 0 auto;
    min-width: 132px;
    padding: 12px 18px;
    border: 1px solid #BDE5F8;
    border-radius: 999px;
    background: #fff;
    color: var(--deep);
    font-weight: 800;
    text-align: center;
    box-shadow: 0 8px 20px rgba(21, 90, 157, .08);
}

.metric-grid,
.info-grid,
.review-grid,
.category-grid,
.faq-grid,
.triple-grid {
    display: grid;
    gap: 20px;
}

.metric-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.info-grid,
.category-grid,
.review-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.triple-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-card,
.info-card,
.category-card,
.review-card,
.faq-item,
.notice-card {
    border-radius: var(--radius);
    padding: 24px;
}

.metric-card strong {
    display: block;
    margin-bottom: 8px;
    color: var(--primary);
    font-size: 28px;
}

.metric-card p,
.info-card p,
.category-card p,
.review-card p,
.faq-item p,
.notice-card p {
    margin-bottom: 0;
    color: var(--muted);
}

.text-link {
    display: inline-flex;
    align-items: center;
    margin-top: 16px;
    color: var(--primary);
    font-weight: 800;
}

.text-link::after {
    content: "→";
    margin-left: 6px;
}

.feature-list {
    display: grid;
    gap: 14px;
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
}

.feature-list li {
    position: relative;
    padding-left: 28px;
    color: #39556D;
}

.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .65em;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: linear-gradient(135deg, #35D7FF, #1688D8);
    box-shadow: 0 0 0 5px rgba(53, 215, 255, .14);
}

.content-copy p {
    color: #466176;
}

.banner-box {
    border-radius: 30px;
    padding: clamp(28px, 5vw, 54px);
    background: linear-gradient(135deg, #FFFFFF 0%, #DDF5FF 100%);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.banner-layout img {
    width: 100%;
    max-height: 360px;
    object-fit: contain;
}

.security-tip-list {
    display: grid;
    gap: 12px;
    margin-top: 22px;
}

.security-tip {
    padding: 15px 18px;
    border-left: 4px solid var(--primary);
    border-radius: 12px;
    background: #F7FCFF;
    color: #39556D;
}

.review-card {
    margin: 0;
}

.review-card footer {
    margin-top: 18px;
    color: var(--deep);
    font-weight: 800;
}

.faq-item h3 {
    font-size: 18px;
}

.compliance-section {
    padding-top: 0;
}

.compliance-box {
    display: grid;
    grid-template-columns: .75fr 1.25fr;
    gap: 36px;
    padding: clamp(28px, 5vw, 52px);
    border-radius: 28px;
    background: #073A68;
    color: #EAF8FF;
}

.compliance-box h2,
.compliance-box .eyebrow {
    color: #fff;
}

.compliance-copy p {
    color: #D9F1FF;
}

.breadcrumbs {
    margin-bottom: 18px;
    color: var(--muted);
    font-size: 14px;
}

.breadcrumbs a {
    color: var(--primary);
}

.kicker-card {
    padding: 18px 20px;
    border: 1px solid #BDE5F8;
    border-radius: 16px;
    background: rgba(255,255,255,.76);
    color: #39556D;
}

.site-footer {
    padding: 64px 0 26px;
    background: var(--footer);
    color: #EAF8FF;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 36px;
}

.site-footer h2,
.site-footer h3 {
    color: #fff;
}

.site-footer h2 {
    font-size: 28px;
}

.site-footer h3 {
    font-size: 16px;
}

.site-footer a {
    display: block;
    width: fit-content;
    margin: 9px 0;
    color: #CBEFFF;
}

.site-footer a:hover {
    color: #fff;
}

.footer-brand p,
.footer-note {
    color: #B7DDF0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 42px;
    padding-top: 22px;
    border-top: 1px solid rgba(255,255,255,.14);
    color: #B7DDF0;
    font-size: 13px;
}

@media (max-width: 1180px) {
    .desktop-nav {
        display: none;
    }

    .header-inner {
        justify-content: space-between;
    }

    .menu-toggle {
        display: flex;
    }
}

@media (max-width: 920px) {
    .hero-grid,
    .page-hero-grid,
    .split-layout,
    .banner-layout,
    .security-layout,
    .compliance-box {
        grid-template-columns: 1fr;
    }

    .split-layout.reverse .media-card {
        order: 0;
    }

    .metric-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .info-grid,
    .category-grid,
    .review-grid,
    .triple-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .carousel-slide img {
        aspect-ratio: 16 / 8;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(calc(100% - 24px), var(--container));
    }

    .site-header .header-inner {
        min-height: 66px;
    }

    .brand-logo {
        width: 112px;
    }

    .header-actions .main-btn {
        min-height: 40px;
        padding: 8px 18px;
    }

    .menu-toggle {
        width: 40px;
        height: 40px;
    }

    .carousel-section {
        padding-top: 12px;
    }

    .carousel {
        border-radius: 18px;
    }

    .carousel-slide img {
        aspect-ratio: 4 / 2.35;
    }

    .carousel-arrow {
        width: 38px;
        height: 38px;
        font-size: 22px;
    }

    .carousel-arrow.prev { left: 8px; }
    .carousel-arrow.next { right: 8px; }

    .carousel-dots {
        bottom: 9px;
    }

    h1 {
        font-size: clamp(32px, 11vw, 46px);
    }

    h2 {
        font-size: 30px;
    }

    .section,
    .hero-copy,
    .page-hero {
        padding: 56px 0;
    }

    .metric-grid,
    .info-grid,
    .category-grid,
    .review-grid,
    .faq-grid,
    .triple-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .metric-card,
    .info-card,
    .category-card,
    .review-card,
    .faq-item,
    .notice-card {
        padding: 21px;
    }

    .drawer-nav {
        grid-template-columns: 1fr 1fr;
    }

    .footer-bottom {
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}