:root {
  color-scheme: light;
  --ink: #17345b;
  --muted: #637b96;
  --blue: #2864ef;
  --blue-deep: #174eca;
  --sky: #e5efff;
  --page: #eef5fb;
  --paper: #ffffff;
  --line: #e0eaf4;
  --display: "DengXian", "Microsoft YaHei UI", sans-serif;
  --body: "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; scroll-padding-top: 22px; }
body { margin: 0; background: var(--page); color: var(--ink); font-family: var(--body); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
svg { display: block; flex-shrink: 0; }
.skip-link { position: fixed; z-index: 30; top: 8px; left: 8px; transform: translateY(-160%); padding: 12px 16px; border-radius: 12px; background: var(--ink); color: white; }
.skip-link:focus { transform: translateY(0); }
.site-shell { display: grid; grid-template-columns: 226px minmax(0, 1fr); align-items: start; gap: 26px; width: min(1180px, calc(100% - 64px)); margin: 32px auto; }
.club-rail { position: sticky; top: 28px; display: flex; flex-direction: column; min-height: min(680px, calc(100svh - 56px)); padding: 24px 16px 16px; border-radius: 26px; background: var(--paper); box-shadow: 0 8px 35px rgba(48, 88, 139, .05); }
.club-brand { display: flex; align-items: center; gap: 10px; padding: 0 7px; text-decoration: none; }
.brand-logo { display: block; flex: 0 0 auto; width: 51px; height: 41px; object-fit: contain; }
.brand-name { display: block; font-family: var(--display); font-size: 20px; font-weight: 900; letter-spacing: -.02em; }
.brand-caption { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; }
.rail-heading { margin: 37px 13px 13px; color: #7289a3; font-size: 11px; font-weight: 700; }
.service-nav { display: flex; flex-direction: column; gap: 8px; }
.nav-link { display: flex; align-items: center; gap: 11px; min-height: 67px; padding: 10px; border-radius: 16px; text-decoration: none; transition: background-color 160ms ease, transform 160ms ease; }
.nav-link:hover { background: #f1f6ff; transform: translateX(2px); }
.nav-icon { display: grid; place-items: center; flex: 0 0 auto; width: 40px; height: 40px; border-radius: 13px; background: #eef4fc; color: #6581a6; }
.nav-icon svg { width: 21px; height: 21px; }
.nav-title { display: block; font-size: 14px; font-weight: 800; }
.nav-caption { display: block; margin-top: 4px; color: #8799af; font-size: 10px; }
.nav-link[aria-current="page"] { background: var(--blue); color: white; box-shadow: 0 5px 14px rgba(40, 100, 239, .19); }
.nav-link[aria-current="page"] .nav-icon { background: rgba(255, 255, 255, .19); color: white; }
.nav-link[aria-current="page"] .nav-caption { color: #d6e4ff; }
.rail-contact { margin-top: auto; padding: 25px 12px 7px; }
.contact-label { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; color: var(--muted); font-size: 11px; }
.contact-label svg { width: 16px; height: 16px; }
.contact-value { color: var(--blue); font-family: "Bahnschrift", Arial, sans-serif; font-size: 19px; font-weight: 700; user-select: all; }
.catalog-main { min-width: 0; }
.page-intro { position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 208px; padding: 29px 32px; border-radius: 27px; background: #dceaff; }
.intro-copy { position: relative; z-index: 1; min-width: 0; }
.page-tag { display: inline-flex; align-items: center; gap: 7px; margin-bottom: 12px; color: #5273a7; font-size: 12px; font-weight: 750; }
.tag-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
.page-title { margin: 0; font-family: var(--display); font-size: clamp(30px, 3.15vw, 44px); line-height: 1.22; font-weight: 900; letter-spacing: -.03em; }
.page-description { margin: 12px 0 0; color: #53709a; font-size: 13px; line-height: 1.65; }
.intro-art { display: grid; place-items: center; flex: 0 0 auto; width: 110px; height: 110px; margin-right: 7px; border: 7px solid rgba(255, 255, 255, .65); border-radius: 31px; background: #f6faff; color: var(--blue); transform: rotate(7deg); box-shadow: 5px 8px 0 rgba(40, 100, 239, .08); }
.intro-art svg { width: 59px; height: 59px; }
.poster-panel { margin-top: 20px; padding: 17px; border-radius: 24px; background: var(--paper); box-shadow: 0 8px 35px rgba(48, 88, 139, .04); }
.poster-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 14px; padding: 2px 4px 0; }
.sheet-label { margin: 0; font-size: 14px; font-weight: 800; }
.sheet-hint { margin: 5px 0 0; color: var(--muted); font-size: 11px; }
.poster-open { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; gap: 6px; min-height: 40px; padding: 10px 13px; border-radius: 12px; background: var(--sky); color: var(--blue-deep); font-size: 12px; font-weight: 800; text-decoration: none; transition: background-color 160ms ease, transform 160ms ease; }
.poster-open svg { width: 15px; height: 15px; }
.poster-open:hover { background: #d4e4ff; transform: translateY(-1px); }
.poster-frame { margin: 0; overflow: hidden; border-radius: 12px; background: #fbfcfe; }
.poster-image { display: block; width: 100%; height: auto; }
.page-turn { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; }
.turn-link { display: inline-flex; align-items: center; gap: 8px; min-height: 43px; padding: 10px 15px; border-radius: 14px; background: white; color: #406394; font-size: 12px; font-weight: 750; text-decoration: none; transition: background-color 160ms ease; }
.turn-link:hover { background: #dfeaff; }
.turn-link[aria-disabled="true"] { background: transparent; color: #9fb0c3; pointer-events: none; }
.turn-caption { color: #8093ac; font-size: 11px; }
.site-footer { margin: 23px 0 10px; color: #7d90a9; text-align: center; font-size: 11px; line-height: 1.85; }
.footer-brand { color: #5878a5; font-weight: 800; }
@media (max-width: 1000px) and (min-width: 761px) {
  .site-shell { width: calc(100% - 40px); grid-template-columns: 198px minmax(0, 1fr); gap: 18px; margin-top: 22px; }
  .club-rail { padding-inline: 12px; }
  .brand-name { font-size: 18px; }
  .brand-logo { width: 45px; height: 36px; }
  .page-intro { min-height: 187px; padding: 25px; }
  .intro-art { width: 79px; height: 79px; border-width: 5px; border-radius: 24px; margin: 0; }
  .intro-art svg { width: 43px; height: 43px; }
  .page-title { font-size: 31px; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 85px; }
  body { padding-bottom: calc(78px + env(safe-area-inset-bottom, 0px)); }
  .site-shell { display: block; width: 100%; margin: 0; }
  .club-rail { display: contents; }
  .club-brand { position: sticky; z-index: 12; top: 0; gap: 10px; min-height: 73px; padding: 12px 19px; background: white; box-shadow: 0 2px 20px rgba(42, 88, 151, .04); }
  .brand-logo { width: 46px; height: 37px; }
  .brand-name { font-size: 18px; }
  .brand-caption { margin-top: 2px; font-size: 10px; }
  .brand-mobile-tag { margin-left: auto; padding: 7px 10px; border-radius: 11px; background: var(--sky); color: #3864a6; font-size: 10px; font-weight: 750; }
  .rail-heading, .nav-caption, .rail-contact { display: none; }
  .service-nav { position: fixed; z-index: 20; bottom: 0; left: 0; right: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1px; padding: 8px 9px calc(9px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--line); background: white; box-shadow: 0 -4px 25px rgba(48, 88, 139, .06); }
  .nav-link { flex-direction: column; gap: 4px; min-height: 56px; padding: 4px 1px; border-radius: 13px; }
  .nav-link:hover { transform: none; }
  .nav-icon { width: 30px; height: 26px; border-radius: 8px; background: transparent; }
  .nav-icon svg { width: 22px; height: 22px; }
  .nav-title { font-size: 10px; line-height: 1.5; white-space: nowrap; }
  .nav-link[aria-current="page"] { background: var(--sky); color: var(--blue); box-shadow: none; }
  .nav-link[aria-current="page"] .nav-icon { background: transparent; color: var(--blue); }
  .catalog-main { padding: 18px 14px 8px; }
  .page-intro { min-height: 162px; gap: 13px; padding: 22px 20px; border-radius: 22px; }
  .page-tag { gap: 5px; margin-bottom: 9px; font-size: 10px; }
  .tag-dot { width: 5px; height: 5px; }
  .page-title { font-size: clamp(25px, 6.5vw, 35px); }
  .page-description { margin-top: 9px; font-size: 11px; }
  .intro-art { width: 59px; height: 64px; margin: 0; border-width: 4px; border-radius: 18px; box-shadow: 3px 5px 0 rgba(40, 100, 239, .08); }
  .intro-art svg { width: 34px; height: 34px; }
  .poster-panel { margin-top: 15px; padding: 10px; border-radius: 20px; }
  .poster-toolbar { gap: 9px; margin-bottom: 10px; padding: 3px 2px 1px; }
  .sheet-label { font-size: 13px; }
  .sheet-hint { margin-top: 3px; font-size: 10px; }
  .poster-open { gap: 4px; min-height: 38px; padding: 8px 10px; border-radius: 10px; font-size: 11px; }
  .poster-frame { border-radius: 10px; }
  .page-turn { margin-top: 13px; gap: 10px; }
  .turn-link { min-height: 41px; gap: 5px; padding: 9px 11px; font-size: 11px; }
  .turn-caption { font-size: 10px; }
  .site-footer { margin-block: 22px 15px; font-size: 10px; }
}
@media (min-width: 761px) { .brand-mobile-tag { display: none; } }
@media (prefers-reduced-motion: no-preference) {
  .page-intro { animation: hello-in 380ms ease both; }
  .poster-panel { animation: hello-in 380ms 70ms ease both; }
  @keyframes hello-in { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: translateY(0); } }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}