/* Local mirror additions; original product styles remain scoped to their components. */
a[data-mirror-online]::after { content: ' · 需联网 ↗'; font-size: .72em; font-weight: 500; opacity: .8; white-space: nowrap; }
.mirror-pro-notice { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin: 20px auto; padding: 14px 18px; max-width: min(1160px, calc(100% - 32px)); border: 1px solid #8174aa60; border-radius: 12px; background: #9b8cf00e; font-size: 13px; line-height: 1.7; }
.mirror-pro-notice strong { color: #9b8cf0; white-space: nowrap; }
.mirror-pro-notice a { text-decoration: underline; text-underline-offset: 3px; }
.bi-toggle .mirror-pro-help { color: #e1d9ff; padding: 6px 10px; border-left: 1px solid #ffffff30; text-decoration: none; white-space: nowrap; }
.bi-toggle .mirror-pro-help:focus-visible { outline: 2px solid #b5a5ff; outline-offset: 2px; border-radius: 4px; }
.drawer__name .mirror-component-zh { display: block; font-size: 10px; line-height: 1.4; margin-top: 3px; overflow-wrap: anywhere; white-space: normal; }
.drawer__tile:has(.mirror-component-zh) { height: auto; min-height: 110px; }
.drawer__name:has(.mirror-component-zh) { display: block; -webkit-line-clamp: unset; white-space: normal; overflow: visible; text-overflow: clip; }
.mirror-pro-guide { margin: 0; background: #121018; color: #eeeaf5; font-family: 'Noto Sans SC', 'Microsoft YaHei', system-ui, sans-serif; line-height: 1.85; }
.mirror-pro-guide * { box-sizing: border-box; }
.mirror-pro-guide a { color: #c8b8ff; text-underline-offset: 4px; }
.mirror-pro-guide a:hover { color: #eee6ff; }
.mirror-pro-guide a:focus-visible, .mirror-pro-guide summary:focus-visible, .mirror-pro-table-wrap:focus-visible { outline: 2px solid #c4aeff; outline-offset: 5px; }
.mirror-pro-header { max-width: 1160px; padding: 24px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid #332d40; }
.mirror-pro-header nav { display: flex; gap: 24px; flex-wrap: wrap; font-size: 14px; }
.mirror-pro-brand { font-size: 23px; font-weight: 750; text-decoration: none; }
.mirror-pro-brand span { font-size: 12px; color: #a69bb8; font-weight: 400; margin-left: 10px; }
.mirror-pro-main { max-width: 1160px; margin: auto; padding: 64px 24px 48px; }
.mirror-pro-main h1 { font-size: clamp(34px, 5.5vw, 64px); letter-spacing: -.04em; line-height: 1.25; margin: 18px 0 24px; font-weight: 760; }
.mirror-pro-main h2 { font-size: clamp(25px, 3vw, 36px); line-height: 1.4; margin: 12px 0 28px; }
.mirror-pro-main h3 { font-size: 19px; line-height: 1.5; margin: 0 0 12px; }
.mirror-pro-main p { margin: 0 0 16px; }
.mirror-pro-eyebrow { font-size: 12px; letter-spacing: .12em; color: #b2a1d9; }
.mirror-pro-lead { max-width: 680px; font-size: 18px; color: #beb3cf; }
.mirror-pro-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; margin: 26px 0; }
.mirror-pro-button { display: inline-block; padding: 11px 20px; border: 1px solid #a88fe3; border-radius: 8px; background: #ae98df; color: #1c1429 !important; text-decoration: none; font-weight: 700; }
.mirror-pro-callout { margin: 38px 0 64px; padding: 24px; background: #211b2e; border: 1px solid #59496f; border-left: 3px solid #b29bdd; border-radius: 8px; }
.mirror-pro-callout p { margin: 10px 0 0; color: #c7bbd4; font-size: 14px; }
.mirror-pro-main section { margin-top: 68px; scroll-margin-top: 24px; }
.mirror-pro-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.mirror-pro-cards article { min-width: 0; padding: 24px; border: 1px solid #383043; border-radius: 12px; background: #19151f; }
.mirror-pro-cards p { color: #c4b8d2; font-size: 14px; }
.mirror-pro-cards a { display: block; font-size: 14px; margin-top: 10px; }
.mirror-pro-caption { margin-top: 18px !important; color: #b4a9c3; font-size: 13px; }
.mirror-pro-table-wrap { overflow-x: auto; border: 1px solid #383043; border-radius: 12px; }
.mirror-pro-guide table { width: 100%; min-width: 700px; border-collapse: collapse; font-size: 14px; }
.mirror-pro-guide caption { padding: 12px 18px; text-align: left; color: #b4a9c3; font-size: 12px; }
.mirror-pro-guide th, .mirror-pro-guide td { padding: 18px; text-align: left; vertical-align: top; border-top: 1px solid #383043; }
.mirror-pro-guide thead th { background: #251e31; color: #dfd2f6; font-size: 12px; }
.mirror-pro-guide tbody th { width: 19%; }
.mirror-pro-guide td:nth-child(2) { width: 24%; }
.mirror-pro-guide td:nth-child(3) { width: 39%; }
.mirror-pro-guide small { color: #b2a3c4; font-weight: 400; }
.mirror-pro-guide details { padding: 18px 0; border-bottom: 1px solid #383043; }
.mirror-pro-guide summary { cursor: pointer; font-weight: 600; }
.mirror-pro-guide details p { max-width: 850px; margin: 16px 0 0; color: #c4b8d2; font-size: 14px; }
.mirror-pro-guide code { background: #2d253b; border-radius: 4px; padding: 2px 6px; overflow-wrap: anywhere; }
.mirror-pro-footer { max-width: 1112px; margin: 0 auto; padding: 24px 24px 90px; border-top: 1px solid #383043; font-size: 12px; color: #b4a9c3; }
.mirror-pro-footer a { margin-left: 15px; }
@media (max-width: 700px) {
  .mirror-pro-header { align-items: flex-start; flex-direction: column; padding: 18px 20px; }
  .mirror-pro-header nav { gap: 18px; font-size: 13px; }
  .mirror-pro-main { padding: 38px 20px; }
  .mirror-pro-main section { margin-top: 44px; }
  .mirror-pro-cards { grid-template-columns: 1fr; }
  .mirror-pro-callout { padding: 18px; margin: 28px 0 42px; }
  .mirror-pro-lead { font-size: 16px; }
  .mirror-pro-notice { font-size: 12px; }
  .bi-toggle { max-width: calc(100vw - 16px); right: 8px; bottom: 8px; }
  .bi-toggle button, .bi-toggle .mirror-pro-help { padding: 7px 8px; font-size: 11px; }
}
@media print { .mirror-pro-notice, .mirror-pro-help { display: none; } }
.mirror-course-filters { display: flex; flex-wrap: wrap; gap: 16px; margin: 24px 0; }
.mirror-course-filters label, .mirror-calculator-fields label { display: grid; gap: 6px; color: #d4c7e4; font-size: 13px; }
.mirror-course-filters label:first-child { flex: 1 1 280px; }
.mirror-pro-guide input[type=search], .mirror-pro-guide input[type=number], .mirror-pro-guide select { font: inherit; color: #eeeaf5; background: #211b2d; border: 1px solid #61516f; border-radius: 6px; padding: 11px; min-width: 0; max-width: 100%; }
.mirror-pro-guide input:focus-visible { outline: 2px solid #c4aeff; outline-offset: 3px; }
.mirror-course-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.mirror-course-card { display: flex; flex-direction: column; min-width: 0; padding: 24px; border: 1px solid #3e334b; border-radius: 12px; background: #1b1623; }
.mirror-course-card[hidden] { display: none; }
.mirror-course-card h3 { font-size: 19px; }
.mirror-course-card h3 a { text-decoration: none; }
.mirror-course-card p:not(.mirror-pro-eyebrow) { font-size: 14px; color: #c5b7d1; }
.mirror-course-card small { display: block; line-height: 1.7; }
.mirror-course-start { display: block; margin-top: auto; padding-top: 18px; font-size: 14px; }
.mirror-lesson-main { max-width: 920px; }
.mirror-lesson-main h1 { font-size: clamp(30px,4vw,48px); }
.mirror-lesson-main p { font-size: 16px; line-height: 2; }
.mirror-lesson-main section { margin-top: 40px; }
.mirror-lesson-main li { margin-bottom: 12px; }
.mirror-lesson-main .mirror-pro-callout { margin-bottom: 24px; }
.mirror-lesson-toc { display: flex; flex-wrap: wrap; gap: 10px 22px; padding: 14px 0; margin-bottom: 22px; border-bottom: 1px solid #3e334b; font-size: 14px; }
.mirror-formula { max-width: 100%; white-space: pre-wrap; overflow-wrap: anywhere; padding: 22px; border: 1px solid #594574; border-radius: 10px; background: #221a2e; color: #dfcff5; font-size: 15px; line-height: 1.9; }
.mirror-formula code { background: none; padding: 0; }
.mirror-exercise { padding: 24px; border: 1px solid #4c3b60; border-radius: 12px; background: #1d1726; }
.mirror-exercise fieldset { margin: 0 0 20px; border: 0; padding: 0; }
.mirror-exercise legend { margin-bottom: 14px; font-weight: 650; }
.mirror-quiz-option { display: flex; align-items: flex-start; gap: 12px; padding: 11px; margin: 8px 0; border: 1px solid #44364f; border-radius: 6px; cursor: pointer; }
.mirror-quiz-option input { margin-top: 7px; flex-shrink: 0; accent-color: #bea2f1; }
.mirror-quiz-result[data-result=correct] { color: #9edcb5; }
.mirror-quiz-result[data-result=retry] { color: #e7c49a; }
.mirror-calculator-fields { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; margin-bottom: 20px; }
.mirror-exercise output { display: block; margin-top: 18px; color: #d9cbeb; white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.9; }
.mirror-course-pagination { display: flex; justify-content: space-between; gap: 24px; margin: 36px 0 10px; font-size: 14px; }
.mirror-completion { padding-top: 24px; border-top: 1px solid #3e334b; }
.mirror-local-course-label { display: block; grid-column: 1 / -1; font-size: 11px; color: #a091d0; margin-top: 6px; }
@media(max-width:900px) { .mirror-course-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media(max-width:600px) { .mirror-course-grid { grid-template-columns: 1fr; } .mirror-course-card { padding: 20px; } .mirror-calculator-fields { grid-template-columns: 1fr; } .mirror-exercise { padding: 18px; } .mirror-course-pagination { flex-direction: column; } }

/* Mobile header fix to keep height around 56-64px and minimum touch target >=44px */
@media (max-width: 768px) {
  .landing-header {
    height: 60px !important;
    min-height: 60px !important;
  }
  .landing-header__container {
    height: 60px !important;
    padding: 0 16px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
  }
  .landing-header__logo {
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    gap: 8px;
    max-width: calc(100% - 130px);
  }
  .landing-header__logo-text {
    font-size: 14px !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .landing-header__mobile-menu-btn,
  .landing-header__mobile-cta,
  .landing-header__mobile-login,
  .landing-header__nav-link,
  .gzeic-btn,
  .gzeic-nav a {
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
  }
}

/* Print styling: clean layout, hide nav, headers, footer chrome */
@media print {
  .landing-header,
  .global-footer,
  .gzeic-header,
  .gzeic-footer,
  .mirror-pro-header,
  .mirror-pro-footer,
  .mirror-pro-notice,
  .mirror-pro-help,
  .bi-toggle,
  #local-labs,
  .local-dialog,
  nav,
  details {
    display: none !important;
  }
  body, main, .mirror-pro-main, .worksheet-container, .ws-wrap {
    background: #fff !important;
    color: #000 !important;
    padding: 0 !important;
    margin: 0 !important;
    font-size: 12pt !important;
  }
  a {
    color: #000 !important;
    text-decoration: underline !important;
  }
}