:root {
  --zsj-header-ink: #18201c;
  --zsj-header-muted: #7b7e79;
  --zsj-header-paper: #fffdf7;
  --zsj-header-gold: #ad8540;
  --zsj-header-line: rgba(25, 37, 29, .09);
  --zsj-header-serif: "Songti SC", "STSong", "Noto Serif SC", serif;
  --zsj-header-sans: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
}

.zsj-header,
.zsj-header * { box-sizing: border-box; }

.zsj-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  color: var(--zsj-header-ink);
  background: rgba(255, 253, 247, .97);
  border-bottom: 1px solid var(--zsj-header-line);
  box-shadow: 0 5px 22px rgba(69, 54, 28, .035);
  backdrop-filter: blur(18px);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
}

.zsj-header-inner {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(22px, 3vw, 48px);
  width: calc(100% - 44px);
  max-width: 1280px;
  min-height: 76px;
  margin: 0 auto;
}

.zsj-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: max-content;
  color: var(--zsj-header-ink);
  text-decoration: none;
}

.zsj-brand-seal {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--zsj-header-gold);
  font: 600 20px/1 var(--zsj-header-serif);
  border: 1px solid var(--zsj-header-gold);
  border-radius: 50%;
  background: var(--zsj-header-paper);
}

.zsj-brand-words { display: grid; gap: 1px; }
.zsj-brand-words strong {
  color: var(--zsj-header-ink);
  font: 600 20px/1.15 var(--zsj-header-serif);
  letter-spacing: .08em;
}
.zsj-brand-words small {
  color: #929084;
  font-size: 10px;
  line-height: 1.2;
  letter-spacing: .08em;
}

/* Landing and calculator share one brand display type treatment. */
.zsj-brand-display.zsj-brand-display {
  font-family: var(--zsj-header-serif);
  font-size: clamp(58px, 7vw, 98px);
  font-weight: 600;
  line-height: .98;
  letter-spacing: -.06em;
}

.zsj-nav {
  display: flex;
  min-width: 0;
  height: 76px;
  align-items: stretch;
  justify-content: center;
  gap: clamp(12px, 2vw, 32px);
}

.zsj-nav-link,
.zsj-nav-placeholder,
.zsj-nav-group > .zsj-nav-link {
  position: relative;
  display: inline-flex;
  width: auto;
  min-width: max-content;
  height: 100%;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0 2px;
  color: var(--zsj-header-muted);
  font: 13px/1 var(--zsj-header-sans);
  text-decoration: none;
  white-space: nowrap;
  border: 0;
  border-radius: 0;
  background: transparent;
  cursor: pointer;
}

.zsj-nav-link::after,
.zsj-nav-placeholder::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  content: "";
  background: var(--zsj-header-gold);
  transform: scaleX(0);
  transition: transform .18s ease;
}

.zsj-nav-link:hover,
.zsj-nav-placeholder:hover,
.zsj-nav-link.is-current,
.zsj-nav-group.is-current > .zsj-nav-link { color: #9c7a38; }

.zsj-nav-link:hover::after,
.zsj-nav-placeholder:hover::after,
.zsj-nav-link.is-current::after,
.zsj-nav-group.is-current > .zsj-nav-link::after { transform: scaleX(1); }

.zsj-nav-group {
  position: relative;
  display: flex;
  height: 100%;
  align-items: stretch;
}

.zsj-nav-caret {
  margin-left: 5px;
  color: #b19460;
  font-size: 10px;
  transition: transform .18s ease;
}

.zsj-submenu {
  position: absolute;
  top: calc(100% - 1px);
  left: 50%;
  display: grid;
  width: 164px;
  padding: 8px;
  visibility: hidden;
  border: 1px solid rgba(173, 133, 64, .2);
  border-radius: 10px;
  background: rgba(255, 253, 247, .99);
  box-shadow: 0 18px 42px rgba(53, 43, 24, .13);
  opacity: 0;
  transform: translate(-50%, -7px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s ease;
}

.zsj-submenu a {
  display: grid;
  gap: 4px;
  padding: 11px 12px;
  color: #55574f;
  text-decoration: none;
  border-radius: 7px;
}
.zsj-submenu a + a {
  border-top: 1px solid rgba(25, 37, 29, .07);
  border-radius: 0 0 7px 7px;
}
.zsj-submenu a:hover,
.zsj-submenu a.is-current { color: #8f6b2e; background: #f7f0df; }
.zsj-submenu strong { font-size: 13px; font-weight: 600; }
.zsj-submenu small { color: #97958d; font-size: 10px; line-height: 1.45; }

.zsj-nav-group:hover .zsj-submenu,
.zsj-nav-group:focus-within .zsj-submenu,
.zsj-nav-group.is-open .zsj-submenu {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, 0);
}
.zsj-nav-group:hover .zsj-nav-caret,
.zsj-nav-group:focus-within .zsj-nav-caret,
.zsj-nav-group.is-open .zsj-nav-caret { transform: rotate(180deg); }

.zsj-header-actions { display: flex; align-items: center; gap: 9px; }
.zsj-account-menu { position: relative; display: grid; place-items: center; }
.zsj-account-entry {
  position: relative;
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  place-items: center;
  color: #92691e;
  font: 600 17px/1 "STKaiti", "KaiTi", var(--zsj-header-serif);
  text-decoration: none;
  border: 1px solid rgba(173, 133, 64, .62);
  border-radius: 50%;
  background: radial-gradient(circle at 34% 28%, #fffef9, #fbf2df);
  box-shadow: inset 0 0 0 3px rgba(191, 150, 68, .08);
}
.zsj-account-entry::after { position: absolute; inset: 5px; border: 1px solid rgba(173, 133, 64, .24); border-radius: 50%; content: ""; }
.zsj-account-seal { position: relative; z-index: 1; display: grid; width: 100%; height: 100%; place-items: center; transform: translateY(-.5px); }
.zsj-account-popover {
  position: absolute;
  top: calc(100% + 13px);
  right: 0;
  z-index: 140;
  display: grid;
  width: 250px;
  padding: 10px;
  visibility: hidden;
  color: #494a44;
  border: 1px solid rgba(173, 133, 64, .24);
  border-radius: 12px;
  background: rgba(255, 253, 247, .99);
  box-shadow: 0 18px 42px rgba(53, 43, 24, .14);
  opacity: 0;
  transform: translateY(-7px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s ease;
}
.zsj-account-popover::before { content: ""; position: absolute; top: -8px; right: 12px; width: 14px; height: 14px; border-top: 1px solid rgba(173, 133, 64, .24); border-left: 1px solid rgba(173, 133, 64, .24); background: #fffdf7; transform: rotate(45deg); }
.zsj-account-menu:hover .zsj-account-popover,
.zsj-account-menu:focus-within .zsj-account-popover { visibility: visible; opacity: 1; transform: translateY(0); }
.zsj-account-identity { display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 10px; align-items: center; padding: 8px; border-bottom: 1px solid rgba(25, 37, 29, .08); }
.zsj-account-identity > span { display: grid; width: 36px; height: 36px; place-items:center; color:#f8ebc8; border-radius:50%; background:#20271f; font:600 17px "STKaiti","KaiTi",var(--zsj-header-serif); }
.zsj-account-identity p { min-width: 0; margin: 0; }
.zsj-account-identity strong,
.zsj-account-identity small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.zsj-account-identity strong { color: #2e302b; font-size: 13px; }
.zsj-account-vip-badge { display: inline-flex; align-items: center; margin-left: 6px; padding: 3px 7px; color: #79561e; font: 600 10px/1 var(--zsj-header-sans); letter-spacing: .02em; vertical-align: 1px; border: 1px solid #cba75e; border-radius: 99px; background: linear-gradient(135deg,#fff9e9,#eddbad); white-space: nowrap; }
.zsj-account-identity small { margin-top: 3px; color: #96938a; font-size: 10px; }
.zsj-account-popover.is-guest { width: 268px; }
.zsj-account-popover.is-guest .zsj-account-identity { grid-template-columns: 38px minmax(0, 1fr); }
.zsj-account-popover.is-guest .zsj-account-identity strong { white-space: normal; line-height: 1.35; }
.zsj-account-popover.is-guest .zsj-account-identity small { overflow: visible; white-space: normal; line-height: 1.5; }
.zsj-account-popover > a { display: grid; gap: 3px; margin-top: 5px; padding: 9px 10px; color: #55574f; text-decoration: none; border-radius: 7px; }
.zsj-account-popover > a:hover { color: #8f6b2e; background: #f7f0df; }
.zsj-account-popover > a b { font-size: 12px; }
.zsj-account-popover > a small { color: #99968e; font-size: 10px; }
.zsj-account-popover > a.zsj-account-register { color: #fffaf0; background: #1d281f; }
.zsj-account-popover > a.zsj-account-register small { color: #d2d6c9; }
.zsj-account-popover > a.zsj-account-register:hover { color: #fffaf0; background: #304233; }
.zsj-account-popover form { margin: 0; border-top: 1px solid rgba(25, 37, 29, .07); }
.zsj-account-popover form input { display: none; }
.zsj-account-popover form button { width: 100%; margin: 5px 0 0; padding: 9px 10px; color: #7e6b45; border: 0; border-radius: 7px; background: transparent; font: 12px var(--zsj-header-sans); text-align: left; cursor: pointer; }
.zsj-account-popover form button:hover { color: #8b4338; background: #fbefeb; }
.zsj-menu-toggle {
  display: none;
  width: 36px;
  height: 36px;
  margin: 0;
  padding: 0;
  color: #7f672f;
  font: 19px/1 var(--zsj-header-sans);
  border: 1px solid rgba(173, 133, 64, .38);
  border-radius: 50%;
  background: transparent;
}

.zsj-nav-toast {
  position: fixed;
  top: 91px;
  left: 50%;
  z-index: 120;
  margin: 0;
  padding: 9px 14px;
  color: #fffdf5;
  font-size: 12px;
  pointer-events: none;
  border-radius: 99px;
  background: rgba(26, 30, 27, .92);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .16);
  opacity: 0;
  transform: translate(-50%, -8px);
  transition: opacity .18s ease, transform .18s ease;
}
.zsj-nav-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1040px) {
  .zsj-header-inner { gap: 20px; }
  .zsj-nav { gap: 14px; }
  .zsj-nav-link,
  .zsj-nav-placeholder,
  .zsj-nav-group > .zsj-nav-link { font-size: 12px; }
}

@media (max-width: 860px) {
  .zsj-header-inner {
    width: calc(100% - 34px);
    min-height: 68px;
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .zsj-brand-words small { display: none; }
  .zsj-header-actions { grid-column: 2; grid-row: 1; }
  .zsj-menu-toggle { display: grid; place-items: center; cursor: pointer; }
  .zsj-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: none;
    height: auto;
    max-height: calc(100vh - 86px);
    overflow-y: auto;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 9px;
    border: 1px solid rgba(173, 133, 64, .18);
    border-top: 0;
    border-radius: 0 0 12px 12px;
    background: rgba(255, 253, 247, .99);
    box-shadow: 0 22px 38px rgba(53, 43, 24, .13);
  }
  .zsj-nav.is-open { display: flex; }
  .zsj-nav-link,
  .zsj-nav-placeholder,
  .zsj-nav-group > .zsj-nav-link {
    width: 100%;
    min-height: 45px;
    justify-content: flex-start;
    padding: 0 13px;
    font-size: 13px;
    border-radius: 7px;
  }
  .zsj-nav-link::after,
  .zsj-nav-placeholder::after { display: none; }
  .zsj-nav-link.is-current,
  .zsj-nav-group.is-current > .zsj-nav-link { background: #f7f0df; }
  .zsj-nav-group { height: auto; flex-direction: column; }
  .zsj-submenu {
    position: static;
    display: none;
    width: auto;
    margin: 0 8px 8px;
    padding: 4px;
    visibility: visible;
    border: 0;
    border-radius: 8px;
    background: #faf6ec;
    box-shadow: none;
    opacity: 1;
    transform: none;
  }
  .zsj-nav-group:hover .zsj-submenu,
  .zsj-nav-group:focus-within .zsj-submenu { display: none; transform: none; }
  .zsj-nav-group.is-open .zsj-submenu,
  .zsj-nav-group.is-open:hover .zsj-submenu,
  .zsj-nav-group.is-open:focus-within .zsj-submenu { display: grid; }
  .zsj-nav-toast { top: 78px; }
}

@media (max-width: 760px) {
  .zsj-brand-display.zsj-brand-display {
    font-size: clamp(51px, 16vw, 70px);
  }
}

@media (max-width: 420px) {
  .zsj-header-inner { width: calc(100% - 28px); }
  .zsj-brand-seal { width: 38px; height: 38px; font-size: 18px; }
  .zsj-brand-words strong { font-size: 18px; }
}