/* 开云体育新版全站样式 */
:root {
    --bg: #EAF2FB;
    --surface: #FFFFFF;
    --surface-soft: #F4F8FF;
    --surface-blue: #EDF5FF;
    --line: rgba(47, 168, 247, .14);
    --blue: #2FA8F7;
    --blue-bright: #45C7FF;
    --blue-deep: #137CD8;
    --blue-soft: #7DD9FF;
    --text: #24364F;
    --muted: #5D718A;
    --footer: #102B46;
    --shadow: 0 16px 40px rgba(19, 124, 216, .08);
    --shadow-strong: 0 18px 42px rgba(19, 124, 216, .14);
    --radius: 22px;
    --header-height: 124px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    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;
    padding-top: var(--header-height);
    overflow-x: hidden;
}
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; }
.shell { width: min(1200px, calc(100% - 32px)); margin-inline: auto; }
.skip-link { position: fixed; left: 14px; top: -80px; z-index: 9999; background: #fff; color: var(--blue-deep); padding: 10px 16px; border-radius: 12px; box-shadow: var(--shadow); }
.skip-link:focus { top: 14px; }
.site-header { position: fixed; inset: 0 0 auto; z-index: 100; background: rgba(255,255,255,.94); backdrop-filter: blur(12px); box-shadow: 0 8px 24px rgba(19,124,216,.08); }
.top-nav { height: 76px; display: grid; grid-template-columns: 190px 1fr auto; align-items: center; gap: 28px; }
.brand-logo img, .drawer-logo img, .footer-brand img { width: auto; height: 42px; object-fit: contain; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: clamp(18px, 2.5vw, 34px); min-width: 0; }
.nav-core a { position: relative; color: var(--text); font-weight: 650; white-space: nowrap; padding: 10px 2px; }
.nav-core a:hover, .nav-core a.active { color: var(--blue); }
.nav-core a.active::after { content: ""; position: absolute; left: 50%; bottom: -9px; width: 28px; height: 3px; border-radius: 999px; background: var(--blue); transform: translateX(-50%); }
.main-btn { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; color: #fff; background: linear-gradient(135deg, var(--blue-bright) 0%, var(--blue) 48%, var(--blue-deep) 100%); box-shadow: 0 12px 26px rgba(19,124,216,.18); font-weight: 700; padding: 11px 24px; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 15px 32px rgba(19,124,216,.25); }
.header-register { min-width: 92px; }
.channel-bar { height: 48px; display: flex; align-items: center; background: rgba(244,248,255,.92); border-top: 1px solid rgba(47,168,247,.1); border-bottom: 1px solid rgba(47,168,247,.1); overflow: hidden; }
.channel-inner { display: flex; align-items: center; gap: 8px; overflow-x: auto; scrollbar-width: none; padding-block: 7px; }
.channel-inner::-webkit-scrollbar { display: none; }
.channel-bar a { flex: 0 0 auto; color: var(--muted); border-radius: 999px; padding: 5px 12px; font-size: 14px; line-height: 1.6; }
.channel-bar a:hover, .channel-bar a.active { color: var(--blue-deep); background: rgba(47,168,247,.08); }
.menu-toggle { display: none; width: 40px; height: 40px; padding: 9px; border: 0; background: transparent; border-radius: 12px; }
.menu-toggle span { display: block; height: 2px; background: var(--blue-deep); border-radius: 4px; margin: 4px 0; }
.mobile-drawer { position: fixed; z-index: 220; inset: 0 auto 0 0; width: min(84vw, 320px); background: #fff; transform: translateX(-102%); transition: transform .24s ease; box-shadow: 18px 0 45px rgba(16,43,70,.18); overflow-y: auto; }
.mobile-drawer.open { transform: translateX(0); }
.drawer-overlay { position: fixed; z-index: 210; inset: 0; background: rgba(16,43,70,.42); opacity: 0; transition: opacity .22s ease; }
.drawer-overlay.visible { opacity: 1; }
.drawer-head { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.drawer-close { border: 0; background: var(--surface-soft); color: var(--blue-deep); width: 38px; height: 38px; border-radius: 50%; font-size: 26px; line-height: 1; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 16px; }
.drawer-nav a { color: var(--text); padding: 10px 12px; background: var(--surface-soft); border: 1px solid transparent; border-radius: 12px; font-size: 14px; }
.drawer-nav a.active, .drawer-nav a:hover { color: var(--blue-deep); border-color: var(--line); background: var(--surface-blue); }
.floating-service { position: fixed; right: 18px; top: 42%; z-index: 60; display: grid; gap: 8px; width: 104px; }
.floating-service a, .floating-service button { display: block; padding: 10px 8px; border: 1px solid var(--line); border-radius: 14px; background: #fff; color: var(--blue-deep); box-shadow: 0 14px 30px rgba(19,124,216,.1); text-align: center; font-size: 13px; }
.floating-service a.register-link { color: #fff; border: 0; background: linear-gradient(135deg, var(--blue-bright), var(--blue-deep)); }
.floating-service button { width: 100%; }
main { min-height: 60vh; }
.section { padding: 34px 0; }
.section.compact { padding: 20px 0; }
.section-title-wrap { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.section-kicker { display: block; color: var(--blue); font-size: 13px; font-weight: 750; letter-spacing: .12em; margin-bottom: 4px; }
h1, h2, h3, .section-title { color: var(--blue-deep); line-height: 1.3; margin-top: 0; }
h1 { font-size: clamp(30px, 5vw, 52px); margin-bottom: 18px; }
h2 { font-size: clamp(24px, 3.2vw, 34px); margin-bottom: 12px; }
h3 { font-size: 20px; margin-bottom: 8px; }
p { margin: 0 0 14px; }
.text-link { color: var(--blue-deep); font-weight: 700; display: inline-flex; align-items: center; gap: 6px; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.card, .zone-card, .info-card, .review-card, .faq-item, .notice-card { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: var(--radius); }
.card, .zone-card, .info-card, .review-card, .notice-card { padding: 24px; }
.card p:last-child, .zone-card p:last-child, .info-card p:last-child { margin-bottom: 0; }
.banner-wrap { background: var(--bg); padding: 36px 16px 22px; }
.banner-slider { max-width: 1200px; height: clamp(250px, 35vw, 460px); margin: 0 auto; border-radius: 22px; background: #fff; box-shadow: var(--shadow-strong); overflow: hidden; position: relative; z-index: 1; }
.banner-slider .slide { display: none; width: 100%; height: 100%; }
.banner-slider .slide.active { display: block; }
.banner-slider img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.slider-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; border: 0; width: 44px; height: 44px; border-radius: 999px; background: rgba(255,255,255,.88); color: var(--blue); box-shadow: 0 8px 20px rgba(19,124,216,.14); font-size: 26px; }
.slider-prev { left: 16px; }
.slider-next { right: 16px; }
.slider-dots { position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); display: flex; gap: 8px; z-index: 3; }
.slider-dots button { width: 9px; height: 9px; padding: 0; border-radius: 50%; border: 0; background: rgba(47,168,247,.24); }
.slider-dots button.active { background: var(--blue); }
.brand-intro, .page-hero { padding: 42px 0 28px; }
.brand-intro-grid, .page-hero-grid, .split-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 28px; align-items: center; }
.brand-copy, .page-hero-copy { background: #fff; border: 1px solid var(--line); border-radius: 28px; padding: clamp(26px, 4vw, 46px); box-shadow: var(--shadow); }
.hero-visual, .content-visual { background: #fff; border: 1px solid var(--line); border-radius: 28px; min-height: 280px; display: grid; place-items: center; padding: 20px; box-shadow: var(--shadow); }
.hero-visual img, .content-visual img { width: 100%; max-height: 340px; object-fit: contain; }
.hero-points { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 22px; }
.hero-points span, .tag, .badge { display: inline-flex; align-items: center; min-height: 32px; padding: 5px 12px; color: var(--blue-deep); background: var(--surface-blue); border: 1px solid var(--line); border-radius: 999px; font-size: 13px; }
.quick-categories { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.quick-item { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 18px; box-shadow: var(--shadow); }
.quick-item h3 { font-size: 17px; }
.quick-item p { color: var(--muted); font-size: 14px; min-height: 48px; }
.intro-strip { background: linear-gradient(135deg, #fff 0%, #EDF5FF 100%); border: 1px solid var(--line); border-radius: 24px; padding: 26px 30px; box-shadow: var(--shadow); }
.info-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.info-card .num { display: block; color: var(--blue); font-weight: 800; font-size: 13px; letter-spacing: .1em; margin-bottom: 10px; }
.two-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.three-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.four-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.zone-card { display: flex; flex-direction: column; min-width: 0; }
.zone-card img, .content-img { width: 100%; height: 190px; object-fit: contain; background: var(--surface-soft); border-radius: 16px; margin-bottom: 18px; }
.zone-card .text-link { margin-top: auto; padding-top: 12px; }
.service-list { display: grid; gap: 10px; padding: 0; margin: 18px 0; list-style: none; }
.service-list li { position: relative; padding-left: 22px; color: var(--muted); }
.service-list li::before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 8px; border-radius: 50%; background: linear-gradient(135deg, var(--blue-bright), var(--blue-deep)); box-shadow: 0 0 0 5px rgba(47,168,247,.1); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.review-card p { color: var(--muted); }
.review-card strong { display: block; color: var(--text); margin-top: 12px; }
.faq-list { display: grid; gap: 12px; }
.faq-item { padding: 0; overflow: hidden; }
.faq-item details { padding: 0 22px; }
.faq-item summary { list-style: none; cursor: pointer; padding: 18px 34px 18px 0; color: var(--blue-deep); font-weight: 700; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0; top: 13px; font-size: 24px; color: var(--blue); }
.faq-item details[open] summary::after { content: "−"; }
.faq-answer { padding: 0 0 20px; color: var(--muted); }
.page-shell { padding: 28px 0 44px; }
.content-stack { display: grid; gap: 20px; }
.content-section { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 28px; box-shadow: var(--shadow); }
.content-section.alt { background: linear-gradient(135deg, #fff, var(--surface-blue)); }
.content-section h2 { font-size: clamp(22px, 3vw, 30px); }
.content-columns { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 18px; }
.feature-item { padding: 16px; border-radius: 16px; background: var(--surface-soft); border: 1px solid var(--line); }
.feature-item strong { display: block; color: var(--blue-deep); margin-bottom: 5px; }
.stateless-table { width: 100%; border-collapse: collapse; margin-top: 14px; }
.stateless-table th, .stateless-table td { padding: 14px; text-align: left; border-bottom: 1px solid var(--line); }
.stateless-table th { color: var(--blue-deep); background: var(--surface-soft); }
.contact-types { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.contact-type { background: var(--surface-soft); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.compliance-strip { background: #DDEDFC; border-top: 1px solid var(--line); }
.compliance-inner { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 20px; padding-block: 24px; }
.compliance-inner strong { color: var(--blue-deep); white-space: nowrap; }
.compliance-inner p { margin: 0; color: var(--muted); }
.site-footer { background: var(--footer); color: #EAF6FF; padding: 44px 0 90px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 36px; }
.footer-brand img { filter: brightness(0) invert(1); margin-bottom: 16px; }
.footer-grid h2 { color: #fff; font-size: 17px; margin-bottom: 12px; }
.footer-grid a { display: block; color: #CDE6F7; margin: 7px 0; font-size: 14px; }
.footer-grid a:hover { color: #fff; }
.footer-brand p { color: #CDE6F7; max-width: 420px; }
.footer-bottom { border-top: 1px solid rgba(234,246,255,.14); margin-top: 34px; padding-top: 20px; color: #B9D5E8; font-size: 13px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1280px) {
    .floating-service { display: none; }
}
@media (max-width: 980px) {
    :root { --header-height: 76px; }
    .site-header { height: 76px; }
    .top-nav { height: 76px; grid-template-columns: 44px 1fr auto; gap: 10px; }
    .menu-toggle { display: block; }
    .brand-logo { justify-self: center; }
    .brand-logo img { height: 38px; }
    .nav-core, .channel-bar { display: none; }
    .header-register { min-width: 76px; padding: 9px 16px; }
    .brand-intro-grid, .page-hero-grid, .split-grid { grid-template-columns: 1fr; }
    .hero-visual { min-height: 220px; }
    .info-grid, .four-grid { grid-template-columns: repeat(2, 1fr); }
    .three-grid, .review-grid { grid-template-columns: repeat(2, 1fr); }
    .quick-categories { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-grid > div:last-child { grid-column: 2 / 4; }
}
@media (max-width: 680px) {
    body { padding-bottom: 70px; }
    .shell { width: min(100% - 24px, 1200px); }
    .section { padding: 24px 0; }
    .banner-wrap { padding: 16px 12px 12px; }
    .banner-slider { height: clamp(170px, 52vw, 240px); border-radius: 17px; }
    .slider-arrow { width: 36px; height: 36px; font-size: 22px; }
    .slider-prev { left: 9px; }
    .slider-next { right: 9px; }
    .brand-intro, .page-hero { padding: 18px 0 10px; }
    .brand-copy, .page-hero-copy, .content-section { padding: 22px; border-radius: 20px; }
    h1 { font-size: 32px; }
    .two-grid, .three-grid, .four-grid, .info-grid, .review-grid, .content-columns, .feature-list, .contact-types, .quick-categories { grid-template-columns: 1fr; }
    .quick-item p { min-height: auto; }
    .section-title-wrap { align-items: start; flex-direction: column; }
    .zone-card img, .content-img { height: 165px; }
    .compliance-inner { grid-template-columns: 1fr; gap: 6px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-grid > div:last-child { grid-column: auto; }
    .site-footer { padding-bottom: 96px; }
    .mobile-bottom-nav { position: fixed; z-index: 90; left: 10px; right: 10px; bottom: max(8px, env(safe-area-inset-bottom)); display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.94); box-shadow: 0 12px 34px rgba(16,43,70,.18); backdrop-filter: blur(14px); overflow: hidden; }
    .mobile-bottom-nav a { display: grid; place-items: center; gap: 2px; color: var(--muted); font-size: 12px; padding: 8px 4px; }
    .mobile-bottom-nav span { color: var(--blue); font-size: 17px; line-height: 1; }
    .mobile-bottom-nav a.active { color: var(--blue-deep); background: var(--surface-blue); }
}
@media (max-width: 390px) {
    .header-register { min-width: 66px; padding-inline: 13px; }
    .brand-logo img { height: 34px; }
    .drawer-nav { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
}