* {
    box-sizing: border-box;
}

:root {
    --bg: #F3F7FC;
    --white: #FFFFFF;
    --soft: #EEF4FB;
    --soft-deep: #E7F0FA;
    --title: #163B66;
    --nav: #32506E;
    --blue: #169BFF;
    --orange: #FF9F1A;
    --text: #243447;
    --muted: #607388;
    --light-text: #8A9AAF;
    --footer: #163B66;
    --footer-text: #EAF4FF;
    --card: rgba(255,255,255,0.96);
    --border: rgba(22,59,102,0.10);
    --shadow: 0 14px 36px rgba(35,70,110,0.10);
    --gradient: linear-gradient(180deg, #31C4FF 0%, #189DFF 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}

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

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

.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 1000;
    background: #FFFFFF;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(35,70,110,0.08);
}

.header-inner {
    width: min(1240px, calc(100% - 32px));
    margin: 0 auto;
    height: 76px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 24px;
}

.text-logo {
    font-size: 28px;
    font-weight: 800;
    color: #163B66;
    letter-spacing: 1px;
    white-space: nowrap;
    line-height: 1;
}

.text-logo span {
    color: #169BFF;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    overflow-x: auto;
    scrollbar-width: none;
    white-space: nowrap;
}

.nav::-webkit-scrollbar {
    display: none;
}

.nav a {
    position: relative;
    color: #32506E;
    font-size: 15px;
    font-weight: 650;
    padding: 24px 0 22px;
    transition: color .2s ease;
}

.nav a:hover,
.nav a.active,
.highlight,
.text-link {
    color: #169BFF;
}

.nav a.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 15px;
    height: 3px;
    border-radius: 999px;
    background: #169BFF;
}

.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 22px;
    border-radius: 999px;
    background: linear-gradient(180deg, #31C4FF 0%, #189DFF 100%);
    color: #FFFFFF;
    font-weight: 750;
    border: 0;
    box-shadow: 0 10px 22px rgba(22,155,255,0.22);
    transition: transform .2s ease, box-shadow .2s ease;
}

.main-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(22,155,255,0.26);
}

.secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 20px;
    border-radius: 999px;
    color: #169BFF;
    background: #FFFFFF;
    border: 1px solid rgba(22,155,255,0.25);
    font-weight: 750;
}

.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    padding: 9px;
    border: 0;
    border-radius: 12px;
    background: #EEF4FB;
}

.menu-toggle span {
    display: block;
    height: 2px;
    margin: 5px 0;
    border-radius: 999px;
    background: #163B66;
}

.drawer-mask {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(22,59,102,0.38);
    z-index: 1001;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: min(330px, 86vw);
    height: 100vh;
    background: #FFFFFF;
    z-index: 1002;
    transform: translateX(-105%);
    transition: transform .25s ease;
    padding: 22px;
    box-shadow: 16px 0 38px rgba(35,70,110,0.16);
    overflow-y: auto;
}

.drawer-open .drawer-mask {
    display: block;
}

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

.drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.drawer-close {
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 50%;
    background: #EEF4FB;
    color: #163B66;
    font-size: 26px;
    line-height: 1;
}

.drawer-nav {
    display: grid;
    gap: 8px;
    padding: 18px 0;
}

.drawer-nav a {
    padding: 12px 14px;
    border-radius: 14px;
    color: #32506E;
    font-weight: 700;
    background: #F3F7FC;
}

.drawer-nav a.active,
.drawer-nav a:hover {
    color: #169BFF;
    background: #E7F0FA;
}

.drawer-btn {
    width: 100%;
}

.drawer-note {
    margin: 16px 0 0;
    color: #607388;
    font-size: 13px;
}

main {
    padding-top: 76px;
}

.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.section {
    padding: 76px 0;
}

.section.tight {
    padding: 52px 0;
}

.section-head {
    max-width: 820px;
    margin-bottom: 30px;
}

.eyebrow,
.tag,
.number-badge {
    color: #FF9F1A;
    font-weight: 800;
    letter-spacing: .5px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 14px;
}

.eyebrow::before {
    content: "";
    width: 24px;
    height: 3px;
    border-radius: 999px;
    background: #FF9F1A;
}

h1,
h2,
h3,
.section-title {
    color: #163B66;
    line-height: 1.25;
    margin: 0;
}

h1 {
    font-size: clamp(34px, 5vw, 58px);
    letter-spacing: -1px;
}

h2,
.section-title {
    font-size: clamp(26px, 3.2vw, 40px);
}

h3 {
    font-size: 21px;
}

p {
    margin: 12px 0 0;
}

.lead {
    color: #607388;
    font-size: 18px;
}

.muted {
    color: #607388;
}

.small-note {
    color: #8A9AAF;
    font-size: 14px;
}

.hero {
    position: relative;
    padding: 92px 0 72px;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    right: -150px;
    top: 40px;
    background: rgba(22,155,255,0.10);
}

.hero::after {
    content: "";
    position: absolute;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    left: -130px;
    bottom: -120px;
    background: rgba(255,159,26,0.12);
}

.hero-grid,
.split-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
    gap: 42px;
    align-items: center;
}

.hero-copy .lead {
    max-width: 720px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.hero-points {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 28px;
}

.point-pill {
    padding: 13px 15px;
    border-radius: 18px;
    background: #FFFFFF;
    border: 1px solid var(--border);
    color: #32506E;
    font-weight: 700;
    box-shadow: 0 10px 24px rgba(35,70,110,0.06);
}

.card,
.zone-card,
.info-card,
.review-card,
.faq-card,
.media-card,
.notice-card,
.contact-card {
    background: rgba(255,255,255,0.96);
    border: 1px solid rgba(22,59,102,0.10);
    box-shadow: 0 14px 36px rgba(35,70,110,0.10);
    border-radius: 28px;
}

.media-card {
    padding: 14px;
    overflow: hidden;
}

.media-card img {
    width: 100%;
    border-radius: 22px;
    object-fit: contain;
    background: #EEF4FB;
}

.grid-2,
.grid-3,
.grid-4,
.grid-6 {
    display: grid;
    gap: 22px;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.zone-card,
.info-card,
.review-card,
.faq-card,
.notice-card,
.contact-card {
    padding: 26px;
}

.zone-card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.zone-card .text-link {
    margin-top: auto;
    padding-top: 16px;
    font-weight: 800;
}

.icon-badge,
.number-badge {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: #E7F0FA;
    color: #FF9F1A;
    font-weight: 900;
    margin-bottom: 14px;
}

.soft-section {
    background: #EEF4FB;
}

.deep-soft-section {
    background: #E7F0FA;
}

.image-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.image-strip .media-card {
    padding: 10px;
}

.check-list,
.simple-list {
    list-style: none;
    padding: 0;
    margin: 18px 0 0;
    display: grid;
    gap: 12px;
}

.check-list li,
.simple-list li {
    position: relative;
    padding-left: 28px;
    color: #243447;
}

.check-list li::before,
.simple-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 11px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #169BFF;
    box-shadow: 0 0 0 5px rgba(22,155,255,0.10);
}

.step-card {
    padding: 28px;
}

.step-card strong {
    display: block;
    color: #163B66;
    font-size: 18px;
    margin-bottom: 8px;
}

.review-card p {
    color: #32506E;
}

.review-card strong {
    display: block;
    margin-top: 16px;
    color: #163B66;
}

.faq-list {
    display: grid;
    gap: 16px;
}

.faq-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.notice-card {
    border-left: 5px solid #FF9F1A;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    color: #8A9AAF;
    font-size: 14px;
    margin-bottom: 14px;
}

.breadcrumb a {
    color: #169BFF;
    font-weight: 700;
}

.page-hero {
    padding: 86px 0 62px;
}

.page-hero .lead {
    max-width: 760px;
}

.page-hero .media-card {
    margin-top: 24px;
}

.site-footer {
    background: #163B66;
    color: #EAF4FF;
    padding-top: 56px;
}

.footer-inner {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr 1.2fr;
    gap: 34px;
}

.footer-logo {
    display: inline-block;
    color: #EAF4FF;
    margin-bottom: 16px;
}

.footer-brand p,
.footer-reminder p {
    color: rgba(234,244,255,0.82);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 18px;
}

.footer-links a {
    color: rgba(234,244,255,0.92);
    font-weight: 700;
}

.footer-links a:hover {
    color: #31C4FF;
}

.footer-reminder strong {
    color: #FFFFFF;
    font-size: 18px;
}

.footer-bottom {
    margin-top: 40px;
    padding: 18px;
    text-align: center;
    border-top: 1px solid rgba(234,244,255,0.14);
    color: rgba(234,244,255,0.72);
}

.register-panel {
    max-width: 760px;
    margin: 110px auto 70px;
    padding: 34px;
    text-align: center;
}

@media (max-width: 1120px) {
    .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-6 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .nav { gap: 14px; justify-content: flex-start; }
}

@media (max-width: 900px) {
    .header-inner {
        height: 68px;
        grid-template-columns: auto 1fr auto;
        gap: 12px;
    }
    .menu-toggle { display: block; }
    .nav { display: none; }
    .header-inner .text-logo {
        justify-self: center;
        font-size: 25px;
    }
    .header-btn {
        min-height: 38px;
        padding: 0 15px;
        font-size: 14px;
    }
    main { padding-top: 68px; }
    .hero,
    .page-hero { padding: 58px 0 44px; }
    .hero-grid,
    .split-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .hero-points,
    .grid-2,
    .grid-3,
    .grid-4,
    .grid-6,
    .contact-grid,
    .image-strip,
    .footer-inner {
        grid-template-columns: 1fr;
    }
    .section { padding: 52px 0; }
    .section.tight { padding: 40px 0; }
    .zone-card,
    .info-card,
    .review-card,
    .faq-card,
    .notice-card,
    .contact-card { padding: 22px; }
}

@media (max-width: 520px) {
    .container,
    .header-inner,
    .footer-inner {
        width: min(100% - 24px, 1180px);
    }
    .hero-actions { display: grid; }
    .main-btn,
    .secondary-btn { width: 100%; }
    .point-pill { font-size: 14px; }
    .text-logo { font-size: 24px; }
}