.site-header {
  position: fixed;
  z-index: 140;
  top: 0;
  right: 0;
  left: 0;
  height: var(--ydv2-header-height);
  border-bottom: 1px solid rgba(225, 231, 228, .78);
  background: rgba(247, 249, 247, .94);
  transition: height .24s ease, box-shadow .24s ease, background-color .24s ease;
}
@supports (backdrop-filter: blur(12px)) { .site-header { background: rgba(247, 249, 247, .84); backdrop-filter: blur(12px) saturate(125%); } }
.site-header.is-scrolled { height: 66px; background: rgba(255, 255, 255, .96); box-shadow: 0 10px 28px rgba(16, 63, 53, .055); }
.header-inner { height: 100%; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.02em; }
.brand-mark { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 12px; color: #fff; background: linear-gradient(145deg, var(--ydv2-secondary), var(--ydv2-brand)); box-shadow: 0 10px 22px rgba(15, 118, 93, .22); }
.brand-mark svg { width: 23px; height: 23px; }
.brand-text strong { display: block; color: var(--ydv2-brand); font-size: 18px; }
.brand-text span { display: block; margin-top: -4px; color: var(--ydv2-muted); font-size: 10px; letter-spacing: .16em; }
.brand-uploaded { width: min(260px, 24vw); }
.brand-uploaded img { max-height: 46px; width: auto; }
.primary-nav-wrap { margin-left: auto; }
.primary-nav { display: flex; align-items: center; justify-content: center; gap: 23px; margin: 0; padding: 0; list-style: none; color: #33413d; font-size: 14px; font-weight: 650; }
.primary-nav a { position: relative; display: block; padding: 10px 0; white-space: nowrap; }
.primary-nav a::after { content: ""; position: absolute; right: 50%; bottom: 5px; left: 50%; height: 2px; border-radius: 99px; background: var(--ydv2-secondary); transition: left .2s ease, right .2s ease; }
.primary-nav a:hover,
.primary-nav .current-menu-item > a,
.primary-nav a[aria-current="page"] { color: var(--ydv2-secondary); }
.primary-nav a:hover::after,
.primary-nav .current-menu-item > a::after,
.primary-nav a[aria-current="page"]::after { right: calc(50% - 10px); left: calc(50% - 10px); }
.header-cta { min-height: 42px; padding: 0 18px; display: inline-flex; align-items: center; justify-content: center; border-radius: 12px; color: #fff; background: var(--ydv2-brand); box-shadow: 0 10px 22px rgba(16, 63, 53, .17); font-size: 14px; font-weight: 750; transition: transform .2s ease, background-color .2s ease, box-shadow .2s ease; }
.header-cta:hover { transform: translateY(-2px); background: var(--ydv2-secondary); box-shadow: 0 14px 28px rgba(15, 118, 93, .2); }
.mobile-menu-button { display: none; width: 44px; height: 44px; margin-left: auto; padding: 0; place-items: center; border: 1px solid var(--ydv2-line); border-radius: 12px; color: var(--ydv2-brand); background: #fff; }
.mobile-menu-button .ydv2-icon { width: 24px; height: 24px; }
.menu-icon-close { display: none; }
.mobile-menu-button[aria-expanded="true"] .menu-icon-open { display: none; }
.mobile-menu-button[aria-expanded="true"] .menu-icon-close { display: block; }
.mobile-nav-panel { position: fixed; z-index: 139; top: 66px; right: 14px; left: 14px; padding: 14px; border: 1px solid rgba(16, 63, 53, .1); border-radius: 18px; background: rgba(255, 255, 255, .98); box-shadow: 0 24px 55px rgba(16, 63, 53, .16); }
.mobile-nav-links { margin: 0; padding: 0; list-style: none; }
.mobile-nav-links a { min-height: 46px; padding: 0 13px; display: flex; align-items: center; border-radius: 11px; color: #40504a; font-weight: 700; }
.mobile-nav-links a:hover,
.mobile-nav-links .current-menu-item a { color: var(--ydv2-secondary); background: var(--ydv2-mint); }
.mobile-nav-inner > .ydv2-btn { width: 100%; margin-top: 8px; }

.ydv2-btn { min-height: 50px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; border: 1px solid transparent; border-radius: var(--ydv2-button-radius); font-weight: 800; line-height: 1.2; text-align: center; transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease; }
.ydv2-btn:hover { transform: translateY(-2px); }
.ydv2-btn-primary { color: #fff; background: var(--ydv2-brand); box-shadow: 0 15px 32px rgba(16, 63, 53, .17); }
.ydv2-btn-primary:hover { background: var(--ydv2-secondary); box-shadow: 0 18px 36px rgba(15, 118, 93, .2); }
.ydv2-btn-secondary,
.ydv2-btn-outline { color: var(--ydv2-brand); border-color: rgba(16, 63, 53, .18); background: rgba(255, 255, 255, .84); box-shadow: 0 10px 25px rgba(16, 63, 53, .045); }
.ydv2-btn-secondary:hover,
.ydv2-btn-outline:hover { border-color: rgba(15, 118, 93, .36); background: #fff; }
.ydv2-btn-accent { color: #443400; background: var(--ydv2-accent); box-shadow: 0 15px 32px rgba(242, 183, 5, .18); }
.ydv2-btn-ghost { color: #fff; border-color: rgba(255, 255, 255, .25); background: rgba(255, 255, 255, .07); }
.ydv2-btn-block { width: 100%; }

.ydv2-dialog { position: fixed; z-index: 300; inset: 0; padding: 20px; display: grid; place-items: center; }
.dialog-backdrop { position: absolute; inset: 0; background: rgba(5, 25, 21, .65); }
@supports (backdrop-filter: blur(8px)) { .dialog-backdrop { backdrop-filter: blur(8px); } }
.dialog-card { position: relative; width: min(100%, 560px); max-height: min(88vh, 760px); overflow: auto; padding: 30px; border: 1px solid rgba(255, 255, 255, .8); border-radius: 24px; background: #fff; box-shadow: 0 30px 90px rgba(0, 0, 0, .25); }
.dialog-head { display: flex; align-items: start; justify-content: space-between; gap: 20px; }
.dialog-head .section-label { margin-bottom: 8px; }
.dialog-head h2 { margin: 0; font-size: 28px; line-height: 1.2; letter-spacing: -.03em; }
.dialog-head p { margin: 10px 0 0; color: var(--ydv2-muted); font-size: 14px; }
.dialog-close { width: 44px; height: 44px; flex: 0 0 auto; padding: 0; display: grid; place-items: center; border: 1px solid var(--ydv2-line); border-radius: 12px; color: var(--ydv2-muted); background: #fff; }
.demand-entry-form { margin-top: 26px; padding: 24px; border: 1px solid var(--ydv2-line); border-radius: 18px; background: var(--ydv2-mint); }
.demand-entry-form label { display: block; margin-bottom: 8px; font-weight: 750; }
.demand-entry-form select { width: 100%; min-height: 48px; padding: 0 42px 0 13px; border: 1px solid var(--ydv2-line); border-radius: 12px; background: #fff; }
.demand-entry-form p { margin: 14px 0 20px; color: var(--ydv2-muted); font-size: 13px; }
.wechat-dialog-content { margin-top: 26px; display: grid; grid-template-columns: 1fr 210px; gap: 22px; align-items: center; }
.wechat-copy { padding: 24px; border-radius: 18px; background: var(--ydv2-mint); }
.wechat-copy > span { display: block; color: var(--ydv2-muted); font-size: 13px; }
.wechat-copy strong { display: block; margin: 5px 0 18px; color: var(--ydv2-brand); font-size: 23px; overflow-wrap: anywhere; }
.copy-feedback { min-height: 24px; margin: 10px 0 0; color: var(--ydv2-secondary); font-size: 13px; }
.wechat-qr { aspect-ratio: 1; display: grid; place-items: center; overflow: hidden; border: 1px solid var(--ydv2-line); border-radius: 18px; color: var(--ydv2-muted); background: #fff; text-align: center; }
.wechat-qr img { width: 100%; height: 100%; object-fit: contain; }

.site-footer { padding: 68px 0 28px; background: #f0f4f2; }
.footer-grid { display: grid; grid-template-columns: 1.45fr repeat(4, 1fr); gap: 34px; }
.footer-brand p { max-width: 310px; color: var(--ydv2-muted); font-size: 13px; }
.footer-column { min-width: 0; }
.footer-column h2 { margin: 2px 0 16px; color: var(--ydv2-brand); font-size: 14px; }
.footer-column a,
.footer-column span,
.footer-wechat { min-height: 44px; padding: 0; display: flex; align-items: center; width: fit-content; margin: 0; border: 0; color: #5f6d68; background: transparent; font-size: 13px; text-align: left; overflow-wrap: anywhere; }
.footer-column a:hover,
.footer-wechat:hover { color: var(--ydv2-secondary); }
.footer-bottom { margin-top: 44px; padding-top: 22px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid #dce4e0; color: #76837e; font-size: 12px; }