/* Public marketing pages opt in explicitly. Practice and account interfaces
   continue to use their original styles and preferences. */
html:has(> body.public-site) { scroll-padding-top: 84px; }
html[data-theme] body.public-site,
body.public-site {
  --ink: #30243f;
  --muted: #5e526d;
  --line: #d8c6ea;
  --paper: #fffbff;
  --mist: #f7effd;
  --green: #7646b5;
  --green-dark: #57318d;
  --leaf: var(--green);
  --coral: var(--green);
  --gold: var(--green);
  --teal-soft: #eee3fc;
  --accent-rgb: 118, 70, 181;
  --ink-rgb: 48, 36, 63;
  --panel-rgb: 73, 45, 88;
  --deep-a: #7646b5;
  --deep-b: #57318d;
  --footer: #fffbff;
  --table-a: var(--green);
  --table-b: var(--green-dark);
  --public-surface: rgba(255, 253, 255, .975);
  --public-surface-strong: #fff;
  --public-nav: rgba(243, 232, 253, .94);
  --public-nav-end: rgba(250, 245, 255, .89);
  --public-footer-start: rgba(47, 28, 72, .95);
  --public-footer-end: rgba(67, 39, 101, .93);
  --public-footer-text: #eee5fa;
  --public-overlay-top: rgba(239, 230, 250, .40);
  --public-overlay-bottom: rgba(239, 230, 250, .53);
  --shadow: 0 8px 28px rgba(57, 31, 85, .13);
  --public-accent: var(--green);
  color: var(--ink);
  background: var(--mist);
  isolation: isolate;
  overflow-x: clip;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

html[data-theme="blue"] body.public-site {
  --ink: #23344f;
  --muted: #52637b;
  --line: #c6d7ef;
  --paper: #fafdff;
  --mist: #eaf1fb;
  --green: #326ec7;
  --green-dark: #24549d;
  --accent-rgb: 50, 110, 199;
  --ink-rgb: 35, 52, 79;
  --panel-rgb: 29, 48, 77;
  --teal-soft: #e3edfc;
  --deep-a: #326ec7;
  --deep-b: #24549d;
  --footer: #fafdff;
  --public-surface: rgba(252, 254, 255, .975);
  --public-nav: rgba(228, 240, 254, .94);
  --public-nav-end: rgba(245, 250, 255, .89);
  --public-footer-start: rgba(20, 40, 69, .95);
  --public-footer-end: rgba(34, 62, 103, .93);
  --public-footer-text: #e5effb;
  --public-overlay-top: rgba(227, 237, 251, .40);
  --public-overlay-bottom: rgba(227, 237, 251, .53);
  --shadow: 0 8px 28px rgba(29, 48, 77, .13);
}

/* One fixed wallpaper behind the complete public site, not a hero banner.
   Source and CC BY-SA attribution: image-credits#home-background. */
body.public-site::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(var(--public-overlay-top), var(--public-overlay-bottom)),
    url("assets/backgrounds/apple-park-2022.webp") center / cover no-repeat;
}

/* An explicit non-negative wallpaper layer avoids disappearing behind the
   document canvas during browser compositing. Content always sits above it. */
body.public-site > main,
body.public-site > .site-footer {
  position: relative;
  z-index: 1;
}

body.public-site .site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  padding: 0;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(105deg, var(--public-nav), var(--public-nav-end)),
    url("assets/backgrounds/apple-park-2022.webp") center 40% / cover no-repeat;
  backdrop-filter: blur(14px) saturate(130%);
  -webkit-backdrop-filter: blur(14px) saturate(130%);
  box-shadow: 0 3px 16px rgba(var(--ink-rgb), .08);
  transform: translateY(0);
  transition: transform 220ms ease;
}

body.public-site .site-header.nav-hidden:not(.nav-open) {
  transform: translateY(calc(-100% - 2px));
  pointer-events: none;
}

body.public-site .nav {
  width: calc(100% - 72px);
  max-width: none;
  min-height: 74px;
  margin: 0 auto;
  padding: 9px 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 28px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  overflow: visible;
}

body.public-site .nav .brand {
  flex: 0 0 auto;
  gap: 16px;
  text-align: left;
}

body.public-site .nav .brand-logo {
  width: 43px;
  height: 43px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  object-fit: contain;
  /* Trim the square canvas around the original circular mark. */
  clip-path: circle(45% at 50.8% 49.7%);
}

body.public-site .nav .brand > span {
  color: var(--ink);
  text-align: center;
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: 0.02em;
}

body.public-site .nav .brand-name { display: block; font-size: inherit; font-weight: 700; letter-spacing: .02em; white-space: nowrap; }

body.public-site .nav .brand small {
  margin-top: 4px;
  color: var(--muted);
  text-align: center;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.06em;
}

body.public-site .nav-links {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: nowrap;
  gap: 8px;
  overflow: visible;
}

body.public-site .nav-links a {
  padding: 10px 9px;
  border-radius: 0;
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: color 150ms ease, background-color 150ms ease;
}

body.public-site .nav-links a:hover,
body.public-site .nav-links a.active {
  color: var(--green);
  background: transparent;
  box-shadow: inset 0 -2px var(--green);
}

/* Compact, two-level navigation. Icons are self-hosted Alibaba Fusion assets. */
body.public-site .nav-links > .nav-link,
body.public-site .nav-dropdown > .nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 13px;
  border: 0;
  border-radius: 4px;
  color: var(--ink);
  background: transparent;
  font: inherit;
  font-size: 14px;
  font-weight: 550;
  line-height: 1.4;
  white-space: nowrap;
  cursor: pointer;
  list-style: none;
}
body.public-site .nav-dropdown > summary::-webkit-details-marker { display: none; }
body.public-site .nav-dropdown > summary::marker { content: ""; }
body.public-site .nav-dropdown { position: relative; }
body.public-site .nav-dropdown > summary:hover,
body.public-site .nav-dropdown.active > summary,
body.public-site .nav-dropdown[open] > summary { color: var(--green); background: var(--teal-soft); }
body.public-site .nav-links > a.active { color: var(--green); }
body.public-site .nav-icon {
  display: inline-block;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  background: currentColor;
  -webkit-mask: var(--nav-icon) center / contain no-repeat;
  mask: var(--nav-icon) center / contain no-repeat;
}
body.public-site .nav-icon-home { --nav-icon: url("assets/icons/public-nav/home.svg"); }
body.public-site .nav-icon-exams { --nav-icon: url("assets/icons/public-nav/exams.svg"); }
body.public-site .nav-icon-resources { --nav-icon: url("assets/icons/public-nav/resources.svg"); }
body.public-site .nav-icon-mock { --nav-icon: url("assets/icons/public-nav/resource-toefl.svg"); }
body.public-site .nav-icon-contact { --nav-icon: url("assets/icons/public-nav/contact.svg"); }
body.public-site .nav-submenu {
  display: none;
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  z-index: 70;
  width: 224px;
  max-height: calc(100vh - 96px);
  max-height: calc(100dvh - 96px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 8px;
  gap: 4px;
  grid-template-columns: minmax(0, 1fr);
  border: 1px solid var(--line);
  border-top: 3px solid var(--green);
  border-radius: 6px;
  background: var(--public-surface-strong);
  box-shadow: 0 12px 32px rgba(var(--ink-rgb), .15);
}
body.public-site .nav-dropdown[open] > .nav-submenu { display: grid; }
body.public-site .nav-submenu a { display: flex; align-items: center; gap: 10px; min-width: 0; min-height: 44px; padding: 5px 8px; border-radius: 6px; font-size: 13px; font-weight: 550; white-space: normal; overflow-wrap: anywhere; }
body.public-site .nav-resource-label { min-width: 0; line-height: 1.5; }
body.public-site .nav-resource-icon { display: grid; place-items: center; flex: 0 0 34px; width: 34px; height: 34px; border: 1px solid var(--resource-line); border-radius: 6px; color: var(--resource-ink); background: linear-gradient(135deg, rgba(255,255,255,.7), transparent), var(--resource-soft); }
body.public-site .nav-resource-icon::before { content: ""; width: 18px; height: 18px; background: currentColor; -webkit-mask: var(--nav-icon) center / contain no-repeat; mask: var(--nav-icon) center / contain no-repeat; }
body.public-site .nav-resource-toefl { --nav-icon: url("assets/icons/public-nav/resource-toefl.svg"); --resource-ink: #8b681b; --resource-soft: #fff4d6; --resource-line: #ecdca8; }
body.public-site .nav-resource-toeic { --nav-icon: url("assets/icons/public-nav/resource-toeic.svg"); --resource-ink: #337651; --resource-soft: #e8f6df; --resource-line: #cde4bb; }
body.public-site .nav-resource-duolingo { --nav-icon: url("assets/icons/public-nav/resource-duolingo.svg"); --resource-ink: #207981; --resource-soft: #dff4f1; --resource-line: #bde0de; }
body.public-site .nav-resource-gre { --nav-icon: url("assets/icons/public-nav/resource-gre.svg"); --resource-ink: #3564a4; --resource-soft: #e6effd; --resource-line: #cad8ed; }
body.public-site .nav-resource-ellt { --nav-icon: url("assets/icons/public-nav/resource-ellt.svg"); --resource-ink: #6650a5; --resource-soft: #eee8fb; --resource-line: #d9cdef; }
body.public-site .nav-resource-internal { --nav-icon: url("assets/icons/public-nav/resource-internal.svg"); --resource-ink: #8f4b9c; --resource-soft: #f5e5f6; --resource-line: #e8c9e9; }
body.public-site .nav-resource-other { --nav-icon: url("assets/icons/public-nav/resource-other.svg"); --resource-ink: #a3446b; --resource-soft: #fbe5ed; --resource-line: #edc7d5; }
/* User-supplied exam artwork stays unmodified. Only its presentation is cropped. */
body.public-site .nav-resource-icon { flex-basis: 60px; width: 60px; height: 40px; }
body.public-site .nav-resource-icon:not(:has(img)) { flex-basis: 34px; width: 34px; height: 34px; margin-inline: 13px; }
body.public-site .nav-resource-icon:has(img) { border: 0; background: transparent; }
body.public-site .nav-resource-icon:has(img)::before { display: none; }
body.public-site .nav-resource-icon img { display: block; width: 60px; height: auto; max-width: none; }
body.public-site .nav-resource-toefl img { clip-path: inset(0 15% 0 0); transform: translateX(4px); }
body.public-site .nav-resource-gre img { clip-path: inset(0 20% 0 0); transform: translateX(5px); }
body.public-site .nav-resource-duolingo img { width: 38px; }
body.public-site .nav-submenu a:hover,
body.public-site .nav-submenu a:focus-visible { color: var(--green); background: var(--teal-soft); box-shadow: none; }
body.public-site .nav :is(a, summary):focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }
body.public-site :is(.exam-table tr[id], .timeline-exam-card[id]) { scroll-margin-top: 100px; }

body.public-site .nav-tools {
  flex: 0 0 auto;
  display: flex;
  width: auto;
  gap: 8px;
  flex-wrap: nowrap;
  overflow: visible;
}

body.public-site .nav-control {
  position: relative;
  min-height: 36px;
  padding: 0;
  gap: 0;
  border: 1px solid rgba(var(--accent-rgb), .22);
  border-radius: 6px;
  background: linear-gradient(rgba(255, 255, 255, .76), rgba(255, 255, 255, .44)), var(--teal-soft);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
}

body.public-site .nav-control::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-right: 1.5px solid var(--green-dark);
  border-bottom: 1.5px solid var(--green-dark);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

body.public-site .nav-control:hover,
body.public-site .nav-control:focus-within {
  border-color: var(--green);
  background-color: var(--teal-soft);
}

body.public-site .nav-control span {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

body.public-site .nav-control select {
  min-width: 72px;
  min-height: 34px;
  max-width: 112px;
  padding: 0 29px 0 12px;
  border: 0;
  border-radius: 5px;
  appearance: none;
  -webkit-appearance: none;
  color: var(--green-dark);
  background: transparent;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.3;
  cursor: pointer;
}

body.public-site .nav-control select option {
  color: var(--ink);
  background: var(--paper);
}

body.public-site .nav-menu-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
  background: var(--public-surface-strong);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

body.public-site .nav-menu-icon {
  width: 16px;
  height: 12px;
  display: inline-block;
  border-top: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  background: linear-gradient(currentColor, currentColor) center / 16px 1.5px no-repeat;
}

body.public-site :is(a, button, select, summary):focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 4px;
}

/* The original responsive grids and document structure remain in place. */
body.public-site:not(.butterfly-home) :is(.wrap, .page-head-inner, .hero-inner) {
  width: min(1180px, calc(100% - 64px));
  max-width: none;
}

body.public-site:not(.butterfly-home) .section {
  padding-block: 42px;
}

body.public-site:not(.butterfly-home) .module {
  width: min(1180px, calc(100% - 64px));
}

body.public-site:not(.butterfly-home) :is(.section, .section.alt, .resource-first, .course-system-overview, .course-stage-section) {
  background: transparent;
}

body.public-site:not(.butterfly-home) :is(.section-head h2, .resource-section-top h2, .toefl-overview h1, .toefl-materials-heading h1, .timeline-hero-grid h1) {
  color: var(--ink);
  font-family: inherit;
  font-weight: 650;
  line-height: 1.35;
}

body.public-site:not(.butterfly-home) .page-head {
  width: min(1180px, calc(100% - 64px));
  margin: 24px auto 0;
  padding: 38px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: linear-gradient(90deg, rgba(27, 45, 61, 0.88), rgba(27, 45, 61, 0.45)), var(--page-image) center / cover no-repeat;
}

body.public-site:not(.butterfly-home) .page-head > :is(.wrap, .page-head-inner) { width: 100%; max-width: none; }

body.public-site:not(.butterfly-home) .page-head h1 {
  color: #fff;
  font-family: inherit;
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 650;
  line-height: 1.35;
}

body.public-site:not(.butterfly-home) .page-head p {
  color: #fff;
}

body.public-site:not(.butterfly-home) .page-head .eyebrow {
  color: #d7e5ef;
}

body.public-site:not(.butterfly-home) main :is(
  .module, .card, .stat, .pillar, .process-item, .notice, .resource-nav > a,
  .download-item, .student-guide-grid > article, .ielts-plan-grid > article,
  .timeline-route > article, .timeline-exam-card, .contact-service-card,
  .exam-resource-card, .scenario-card, .resource-entry-card, .ielts-download-card,
  .toefl-overview > div:first-child, .toefl-guide, .timeline-alert-card, .timeline-cta,
  .qr-panel, .contact-panel, .campus-card, .course-suite-card, .course-stage-grid > article,
  .course-match-panel, .resource-card, .resource-pack-main, .ielts-hero-copy,
  .ielts-study-plan, .ielts-pack-card, .wechat-card, .service-card, .flow-card,
  .exam-card, .direction-card, .result-card, .mini-item, .faq, .credit-item, .table
) {
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--public-surface);
  box-shadow: var(--shadow);
}

body.public-site:not(.butterfly-home) main :is(.card-body, .course-suite-card > div) {
  background: var(--public-surface-strong);
}

body.public-site:not(.butterfly-home) main :is(
  .module, .card, .stat, .pillar, .notice, .download-item, .timeline-exam-card,
  .contact-service-card, .exam-resource-card, .scenario-card, .resource-entry-card,
  .ielts-download-card, .toefl-guide, .timeline-alert-card, .timeline-cta,
  .qr-panel, .contact-panel, .campus-card, .course-suite-card, .resource-card,
  .resource-pack-main, .ielts-study-plan, .ielts-pack-card, .wechat-card,
  .service-card, .flow-card, .exam-card, .direction-card, .result-card
) :is(h2, h3, h4, strong) {
  color: var(--ink);
  font-family: inherit;
}

body.public-site:not(.butterfly-home) main :is(
  .module, .card, .stat, .pillar, .notice, .download-item, .timeline-exam-card,
  .contact-service-card, .exam-resource-card, .scenario-card, .resource-entry-card,
  .ielts-download-card, .toefl-guide, .timeline-alert-card, .timeline-cta,
  .qr-panel, .contact-panel, .campus-card, .course-suite-card, .resource-card,
  .resource-pack-main, .ielts-study-plan, .ielts-pack-card, .wechat-card,
  .service-card, .flow-card, .exam-card, .direction-card, .result-card
) :is(p, small, li) {
  color: var(--muted);
}

body.public-site:not(.butterfly-home) main :is(
  .resource-card, .scenario-card, .ielts-download-card, .exam-resource-card,
  .course-suite-card, .contact-service-card, .campus-card, .wechat-card, .service-card, .flow-card
)::before,
body.public-site:not(.butterfly-home) main :is(
  .resource-card, .scenario-card, .ielts-download-card, .exam-resource-card,
  .course-suite-card, .contact-service-card, .campus-card, .wechat-card, .service-card, .flow-card
)::after {
  display: none;
}

body.public-site:not(.butterfly-home) main :is(
  .scenario-card, .resource-entry-card, .ielts-download-card, .campus-card,
  .contact-service-card, .course-suite-card, .exam-resource-card, .ielts-pack-card
) > span,
body.public-site:not(.butterfly-home) .course-suite-card div > span,
body.public-site:not(.butterfly-home) .course-stage-grid > article > strong {
  color: var(--green);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--teal-soft);
}

body.public-site:not(.butterfly-home) :is(.qr-copy, .consult-note, .toefl-practice-entry) {
  color: var(--ink);
  border-color: var(--line);
  background: var(--teal-soft);
}

/* These labels and metadata formerly sat on dark resource panels. Their
   original cream/gold colors need explicit replacements on the new surfaces. */
body.public-site:not(.butterfly-home) :is(
  .toefl-practice-entry > span,
  .resource-card.primary .module-label,
  .resource-pack-main .module-label,
  .resource-pack-main .pack-meta dd,
  .resource-pack-main .tag,
  .card-meta-row span
) {
  color: var(--green-dark);
}

body.public-site:not(.butterfly-home) .resource-pack-main .pack-meta dt {
  color: var(--muted);
}

body.public-site:not(.butterfly-home) :is(.resource-pack-main .tag, .card-meta-row span) {
  border: 1px solid var(--line);
  background: var(--teal-soft);
}

body.public-site:not(.butterfly-home) .resource-pack-main .pack-meta div {
  border-color: var(--line);
}

body.public-site:not(.butterfly-home) :is(.wechat-list span, .consult-note span) {
  color: var(--muted);
}

body.public-site:not(.butterfly-home) :is(.exam-resource-card, .ielts-download-card) > a {
  color: #fff;
  border-radius: 4px;
  background: var(--green);
  box-shadow: none;
}

body.public-site:not(.butterfly-home) .exam-table tbody tr td {
  color: var(--ink);
  background: var(--public-surface-strong);
}

body.public-site:not(.butterfly-home) .exam-table tbody tr td:first-child {
  background: var(--teal-soft) !important;
}

body.public-site:not(.butterfly-home) :is(.module-label, .text-link) {
  color: var(--green);
}

body.public-site:not(.butterfly-home) .button {
  border: 1px solid transparent;
  border-radius: 4px;
  color: #fff;
  background: var(--green);
  box-shadow: none;
}

body.public-site:not(.butterfly-home) :is(.button.light, .button.secondary, .resource-actions .button.light) {
  color: var(--green);
  border: 1px solid var(--line);
  background: var(--teal-soft);
}

body.public-site:not(.butterfly-home) .button:hover {
  filter: brightness(0.96);
}

body.public-site:not(.butterfly-home) .section.banner {
  color: var(--ink);
  border-block: 1px solid var(--line);
  background: var(--teal-soft);
}

body.public-site:not(.butterfly-home) .banner p {
  color: var(--muted);
}

/* Editorial rhythm for the public content pages. Text always has a readable
   surface; cards inside it use quiet borders instead of stacked shadows. */
body.public-site:not(.butterfly-home) main { padding-bottom: 24px; }
body.public-site:not(.butterfly-home) main .section { padding: 24px 0 0; }
body.public-site:not(.butterfly-home) main .section > .wrap {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--public-surface);
  box-shadow: var(--shadow);
}
body.public-site:not(.butterfly-home) main :is(.section-head, .resource-section-top, .toefl-materials-heading) {
  max-width: none;
  margin: 0 0 24px;
}
body.public-site:not(.butterfly-home) main :is(.section-head h2, .resource-section-top h2, .split h2, .banner h2, .module h2, .ielts-study-plan h2, .timeline-cta h2) {
  margin: 0 0 12px;
  font-size: clamp(23px, 2.1vw, 28px);
  font-weight: 650;
  line-height: 1.45;
}
body.public-site:not(.butterfly-home) main :is(p, .lead, li, .mini-item span) {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.8;
}
body.public-site:not(.butterfly-home) main :is(.section-head p, .resource-section-top p, .toefl-materials-heading p) {
  max-width: 900px;
  margin-bottom: 0;
  color: var(--muted);
}
body.public-site:not(.butterfly-home) main h3 { font-size: 20px; line-height: 1.45; }
body.public-site:not(.butterfly-home) main .module-label { font-size: 11px; font-weight: 650; letter-spacing: .12em; }
body.public-site:not(.butterfly-home) main :is(.button, .exam-resource-card > a, .ielts-download-card > a) {
  min-height: 42px;
  padding: 10px 15px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
}
body.public-site:not(.butterfly-home) main :is(.card, .pillar, .stat, .campus-card, .course-suite-card, .course-stage-grid > article, .mini-item, .resource-entry-card, .scenario-card, .exam-resource-card, .ielts-download-card, .timeline-exam-card, .resource-card, .download-item, .wechat-card, .process-item, .faq) {
  box-shadow: none;
}
body.public-site:not(.butterfly-home) main :is(.card-body, .course-suite-card > div) { min-height: 0; padding: 20px; }
body.public-site:not(.butterfly-home) main :is(.pillar, .stat, .campus-card, .course-stage-grid > article, .process-item) { min-height: 0; padding: 22px; }
body.public-site:not(.butterfly-home) main :is(.campus-card > span, .course-suite-card div > span, .scenario-card > span, .resource-entry-card > span, .exam-resource-card > span, .course-stage-grid > article > strong) {
  margin-bottom: 18px;
  font-size: 11px;
  font-weight: 650;
}
body.public-site:not(.butterfly-home) .course-suite-card small { padding-top: 12px; color: var(--muted); font-size: 12px; font-weight: 500; }
body.public-site:not(.butterfly-home) :is(.campus-card small, .stat span) { color: var(--muted); font-size: 13px; font-weight: 400; }
body.public-site:not(.butterfly-home) .stat strong { color: var(--green-dark); font-size: 25px; font-weight: 650; line-height: 1.3; }
body.public-site:not(.butterfly-home) :is(.course-suite-grid, .campus-grid, .pillars) { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
body.public-site:not(.butterfly-home) .course-suite-card { display: grid; grid-template-columns: 32% minmax(0, 1fr); }
body.public-site:not(.butterfly-home) .course-suite-card img { width: 100%; height: 100%; object-fit: cover; }
body.public-site:not(.butterfly-home) .course-stage-grid > article > strong { width: 34px; height: 34px; }
body.public-site:not(.butterfly-home) .process-item::before { margin-bottom: 12px; font-size: 20px; }
body.public-site:not(.butterfly-home) .split { gap: 30px; }
body.public-site:not(.butterfly-home) .split > img { width: 100%; max-height: 420px; box-shadow: none; }
body.public-site:not(.butterfly-home) .check-list li { color: var(--muted); }
body.public-site:not(.butterfly-home) .check-list li::before { width: 7px; height: 7px; top: 10px; }
body.public-site:not(.butterfly-home) main .table { box-shadow: none; font-size: 14px; }
body.public-site:not(.butterfly-home) main .table :is(th, td) { padding: 14px 16px; line-height: 1.7; }
body.public-site:not(.butterfly-home) main .exam-table td:first-child { font-size: 15px; }

/* The landing retains its requested wider daily-practice card and three links. */
body.public-site:not(.butterfly-home) #toefl-resources > .wrap { padding: 0; border: 0; background: none; box-shadow: none; }
body.public-site:not(.butterfly-home) .toefl-overview { grid-template-columns: minmax(0, 1fr) 300px; gap: 20px; margin: 0; }
body.public-site:not(.butterfly-home) .toefl-overview > div:first-child { padding: 30px; }
body.public-site:not(.butterfly-home) .toefl-overview h1 { font-size: clamp(24px, 2.65vw, 36px); margin: 16px 0 20px; text-align: left; }
body.public-site #toefl-resources .toefl-overview h1 { font-size: clamp(24px, 2.65vw, 36px); }
body.public-site:not(.butterfly-home) .toefl-overview > div > p { margin-bottom: 24px; }
body.public-site:not(.butterfly-home) .toefl-guide { padding: 26px; justify-content: flex-start; gap: 18px; }
body.public-site:not(.butterfly-home) .toefl-guide > strong { font-size: 19px; color: var(--ink); }
body.public-site:not(.butterfly-home) .toefl-guide > p { margin: 0; }
body.public-site:not(.butterfly-home) .toefl-practice-entry { margin: 0; padding: 18px; }
body.public-site:not(.butterfly-home) .toefl-guide > .button { margin-top: auto; }
body.public-site:not(.butterfly-home) main :is(.resource-entry-card, .scenario-card, .exam-resource-card, .ielts-download-card, .timeline-exam-card, .resource-card) { min-height: 0; padding: 22px; }
body.public-site:not(.butterfly-home) .resource-entry-grid { gap: 16px; }
body.public-site:not(.butterfly-home) main :is(.scenario-card h2, .resource-entry-card h2) { margin: 0 0 10px; font-size: 23px; line-height: 1.4; }
body.public-site:not(.butterfly-home) main :is(.scenario-card p, .resource-entry-card p, .exam-resource-card p) { margin: 0 0 20px; }
body.public-site:not(.butterfly-home) main :is(.scenario-grid, .exam-resource-grid) { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
body.public-site:not(.butterfly-home) main .resource-actions { gap: 8px; margin-top: auto; padding-top: 8px; }
body.public-site:not(.butterfly-home) main .scenario-card .resource-actions .button { padding: 9px 12px; font-size: 13px; }
body.public-site:not(.butterfly-home) .toefl-materials-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
body.public-site:not(.butterfly-home) .toefl-materials-heading > div:first-child { min-width: 0; flex: 1; }
body.public-site:not(.butterfly-home) .toefl-materials-heading > .resource-actions { flex: 0 0 auto; margin: 0; padding: 0; flex-wrap: wrap; max-width: 310px; }
body.public-site:not(.butterfly-home) .resource-section-top.compact { margin-top: 24px; }
body.public-site:not(.butterfly-home) :is(.toefl-materials-heading h1, .ielts-hero-copy h1, .timeline-hero-grid h1) { margin: 10px 0 14px; font-size: clamp(28px, 3vw, 36px); line-height: 1.4; }
body.public-site:not(.butterfly-home) main :is(.ielts-hero-copy, .ielts-pack-card, .timeline-alert-card) { padding: 24px; box-shadow: none; }
body.public-site:not(.butterfly-home) .timeline-hero-grid h1 br { display: none; }
body.public-site:not(.butterfly-home) .contact-layout { gap: 26px; }
body.public-site:not(.butterfly-home) .contact-panel.contact-main { padding: 0; border: 0; background: none; box-shadow: none; }
body.public-site:not(.butterfly-home) .contact-panel h2 { margin-bottom: 12px; font-size: 27px; }
body.public-site:not(.butterfly-home) .contact-service-card { min-height: 0; padding: 22px; box-shadow: none; }
body.public-site:not(.butterfly-home) .consult-note { padding: 18px; }
body.public-site:not(.butterfly-home) .consult-note strong { font-size: 19px; }
body.public-site:not(.butterfly-home) .consult-note span { font-size: 14px; font-weight: 400; }
body.public-site:not(.butterfly-home) .wechat-list span { font-size: 13px; font-weight: 400; line-height: 1.6; }
body.public-site:not(.butterfly-home) .qr-panel { padding: 24px; box-shadow: none; }
body.public-site:not(.butterfly-home) .contact-preparation { margin: 0; padding-left: 20px; }
body.public-site:not(.butterfly-home) .contact-office-details p { margin: 8px 0; }
body.public-site:not(.butterfly-home) .timeline-exam-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
body.public-site:not(.butterfly-home) .timeline-route article { min-height: 0; padding: 22px; box-shadow: none; }
body.public-site:not(.butterfly-home) .timeline-route article > span { margin-bottom: 16px; }
body.public-site:not(.butterfly-home) .ielts-plan-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
body.public-site:not(.butterfly-home) .credit-item { overflow-wrap: anywhere; box-shadow: none; }
body.public-site:not(.butterfly-home) .credit-item :is(span, em, a) { font-size: 13px; font-weight: 450; line-height: 1.7; }
body.public-site:not(.butterfly-home) main :is(.timeline-route article > strong, .ielts-plan-grid article > strong, .study-page .num) { color: var(--green-dark); background: var(--teal-soft); }
body.public-site:not(.butterfly-home) .study-page > .module { margin: 24px auto 0; padding: 30px; }
body.public-site:not(.butterfly-home) .study-page .module-head { margin-bottom: 24px; }
body.public-site:not(.butterfly-home) .study-page .exam-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
body.public-site:not(.butterfly-home) .study-page .result-module { display: block; }
body.public-site:not(.butterfly-home) .study-page .result-grid { margin-top: 24px; }
body.public-site:not(.butterfly-home) .study-page :is(.service-card, .flow-card, .exam-card, .result-card, .direction-card) { min-height: 0; padding: 22px; box-shadow: none; }
body.public-site:not(.butterfly-home) .study-page .num { margin-bottom: 14px; }

/* Small content cards carry the supporting palette. The page surfaces and
   primary actions keep the selected purple/blue theme. */
body.public-site:not(.butterfly-home) main :is(
  .course-suite-grid, .course-stage-grid, .resource-entry-grid,
  .exam-resource-grid, .scenario-grid, .ielts-download-grid,
  .about-pillars, .contact-service-grid,
  .study-page .service-grid, .study-page .flow-grid
) > article {
  --card-accent: #8c6115;
  --card-soft: #fff6df;
  --card-line: #ecd7a5;
  position: relative;
  isolation: isolate;
  border-color: var(--card-line);
  border-top: 3px solid var(--card-accent);
  background: linear-gradient(135deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .22)), var(--card-soft);
  box-shadow: 0 6px 18px rgba(var(--ink-rgb), .055), inset 0 1px rgba(255, 255, 255, .7);
}

body.public-site:not(.butterfly-home) main :is(
  .course-suite-grid, .course-stage-grid, .resource-entry-grid,
  .exam-resource-grid, .scenario-grid, .ielts-download-grid,
  .about-pillars, .contact-service-grid,
  .study-page .service-grid, .study-page .flow-grid
) > article:nth-child(4n + 2) {
  --card-accent: #2b67aa;
  --card-soft: #eaf3ff;
  --card-line: #c9dcf2;
}

body.public-site:not(.butterfly-home) main :is(
  .course-suite-grid, .course-stage-grid, .resource-entry-grid,
  .exam-resource-grid, .scenario-grid, .ielts-download-grid,
  .about-pillars, .contact-service-grid,
  .study-page .service-grid, .study-page .flow-grid
) > article:nth-child(4n + 3) {
  --card-accent: #277858;
  --card-soft: #eaf7f0;
  --card-line: #c4e2d2;
}

body.public-site:not(.butterfly-home) main :is(
  .course-suite-grid, .course-stage-grid, .resource-entry-grid,
  .exam-resource-grid, .scenario-grid, .ielts-download-grid,
  .about-pillars, .contact-service-grid,
  .study-page .service-grid, .study-page .flow-grid
) > article:nth-child(4n) {
  --card-accent: #b44960;
  --card-soft: #fceef1;
  --card-line: #edcbd3;
}

/* Course photos stay clear; only their adjacent copy panel gets the pattern. */
body.public-site:not(.butterfly-home) main .course-suite-grid > article > div {
  position: relative;
  isolation: isolate;
  background: linear-gradient(135deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .22)), var(--card-soft);
}

body.public-site:not(.butterfly-home) main :is(
  .course-stage-grid, .resource-entry-grid, .exam-resource-grid,
  .scenario-grid, .ielts-download-grid, .about-pillars, .contact-service-grid,
  .study-page .service-grid, .study-page .flow-grid
) > article::after,
body.public-site:not(.butterfly-home) main .course-suite-grid > article > div::after {
  /* Main content stays plain; the homepage sidebar owns the dot accent. */
  display: none;
}

body.public-site:not(.butterfly-home) main :is(
  .course-stage-grid, .resource-entry-grid, .exam-resource-grid,
  .scenario-grid, .ielts-download-grid, .contact-service-grid,
  .study-page .service-grid, .study-page .flow-grid
) > article > :is(span, strong, .num),
body.public-site:not(.butterfly-home) main .course-suite-grid > article > div > span {
  color: var(--card-accent);
  border: 1px solid var(--card-line);
  background: rgba(255, 255, 255, .78);
}

body.public-site:not(.butterfly-home) main .about-pillars > .pillar > .module-label {
  color: var(--card-accent);
}

/* Keep the resource center's five exam entries together on desktop. */
@media (min-width: 1100px) {
  body.public-site:not(.butterfly-home) main #more-resources .exam-resource-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
  }
  body.public-site:not(.butterfly-home) main #more-resources .exam-resource-card {
    min-width: 0;
    padding: 20px 16px;
  }
  body.public-site:not(.butterfly-home) main #more-resources .exam-resource-card > span {
    margin-bottom: 14px;
  }
  body.public-site:not(.butterfly-home) main #more-resources .exam-resource-card h3 {
    font-size: 18px;
  }
  body.public-site:not(.butterfly-home) main #more-resources .exam-resource-card p {
    margin-bottom: 18px;
    font-size: 14px;
    line-height: 1.75;
  }
  body.public-site:not(.butterfly-home) main #more-resources .exam-resource-card > a {
    max-width: 100%;
    padding: 10px;
    font-size: 13px;
    white-space: normal;
  }
}

@media (min-width: 701px) and (max-width: 1099px) {
  body.public-site:not(.butterfly-home) main #more-resources .exam-resource-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1000px) {
  body.public-site:not(.butterfly-home) .toefl-overview { grid-template-columns: 1fr; }
  body.public-site:not(.butterfly-home) .toefl-guide { display: grid; grid-template-columns: 1fr 1fr; align-items: start; }
  body.public-site:not(.butterfly-home) .toefl-guide > strong { grid-column: 1; }
  body.public-site:not(.butterfly-home) .toefl-guide > p { grid-column: 1; }
  body.public-site:not(.butterfly-home) .toefl-practice-entry { grid-column: 2; grid-row: 1 / span 3; }
  body.public-site:not(.butterfly-home) .toefl-guide > .button { justify-self: start; }
  body.public-site:not(.butterfly-home) .course-suite-card { display: flex; }
  body.public-site:not(.butterfly-home) .course-suite-card img { height: 165px; }
  body.public-site:not(.butterfly-home) main :is(.scenario-grid, .exam-resource-grid, .course-stage-grid, .process, .timeline-exam-grid) { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 700px) {
  body.public-site:not(.butterfly-home) :is(.wrap, .page-head) { width: calc(100% - 28px); }
  body.public-site:not(.butterfly-home) .page-head { margin-top: 16px; padding: 26px 22px; }
  body.public-site:not(.butterfly-home) main .section { padding-top: 16px; }
  body.public-site:not(.butterfly-home) main .section > .wrap { padding: 22px; }
  body.public-site:not(.butterfly-home) main #toefl-resources > .wrap { padding: 0; }
  body.public-site:not(.butterfly-home) .toefl-overview > div:first-child { padding: 22px; }
  body.public-site:not(.butterfly-home) .toefl-overview h1 { white-space: normal; }
  body.public-site #toefl-resources .toefl-overview h1 { font-size: clamp(23px, 5.7vw, 30px); white-space: normal; }
  body.public-site:not(.butterfly-home) :is(.split, .contact-layout, .ielts-hero-grid, .timeline-hero-grid) { grid-template-columns: 1fr; }
  body.public-site:not(.butterfly-home) main :is(.grid.three, .course-suite-grid, .campus-grid, .pillars, .scenario-grid, .exam-resource-grid, .ielts-download-grid, .timeline-exam-grid, .timeline-route, .contact-service-grid) { grid-template-columns: 1fr; }
  body.public-site:not(.butterfly-home) .toefl-guide { display: flex; padding: 22px; }
  body.public-site:not(.butterfly-home) .toefl-practice-entry { width: 100%; }
  body.public-site:not(.butterfly-home) .toefl-materials-heading { display: flex; flex-direction: column; align-items: flex-start; }
  body.public-site:not(.butterfly-home) .toefl-materials-heading .hero-actions { flex-wrap: wrap; }
  body.public-site:not(.butterfly-home) .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  body.public-site:not(.butterfly-home) .study-page > .module { margin-top: 16px; padding: 22px; }
  body.public-site:not(.butterfly-home) .study-page :is(.exam-grid, .service-grid, .flow-grid, .result-grid, .direction-grid) { grid-template-columns: 1fr; }
  body.public-site:not(.butterfly-home) main .table :is(th, td) { padding: 10px 8px; font-size: 12px; white-space: normal; }
  body.public-site:not(.butterfly-home) main .exam-table td:first-child { font-size: 13px; }
}

body.public-site .site-footer {
  padding: 36px 0 22px;
  border-top: 3px solid var(--green);
  color: var(--public-footer-text);
  background: linear-gradient(110deg, var(--public-footer-start), var(--public-footer-end)),
    url("assets/backgrounds/apple-park-2022.webp") center 60% / cover no-repeat;
}

body.public-site .site-footer .wrap {
  width: min(1360px, calc(100% - 64px));
  max-width: none;
}

body.public-site .footer-grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, .95fr) minmax(0, 1.2fr);
  gap: 20px;
  align-items: stretch;
}

body.public-site :is(.footer-brand, .footer-nav, .footer-contact) {
  min-width: 0;
  padding: 24px 20px;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 8px;
  background: rgba(255, 255, 255, .065);
  box-shadow: none;
  align-items: center;
  justify-content: center;
  text-align: center;
}

body.public-site .site-footer :is(strong, b, .footer-nav-group > span) {
  color: #fff;
}

body.public-site .footer-brand > strong {
  font-size: 25px;
  letter-spacing: -.02em;
}

body.public-site .footer-brand p {
  color: var(--public-footer-text);
  font-size: 14px;
}

body.public-site .footer-addresses { gap: 9px; margin-top: 8px; }
body.public-site .footer-addresses b { margin-bottom: 3px; }
body.public-site .footer-addresses > span {
  padding: 11px 12px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 5px;
  color: var(--public-footer-text);
  background: rgba(255, 255, 255, .055);
  font-size: 12px;
  font-weight: 450;
  line-height: 1.75;
  text-align: center;
}

body.public-site .footer-addresses .footer-address-note {
  display: block;
  margin-top: 2px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: center;
}

body.public-site .footer-nav strong { margin-bottom: 18px; }
body.public-site .footer-nav-groups { gap: 12px; }
body.public-site .footer-nav-group {
  min-width: 0;
  padding: 16px 10px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 5px;
  background: rgba(255, 255, 255, .035);
  text-align: center;
}
body.public-site .footer-nav-group > span { border-color: rgba(255, 255, 255, .20); font-size: 14px; }
body.public-site .footer-nav a { padding: 3px 0; font-size: 13px; font-weight: 500; }
body.public-site .footer-contact { gap: 24px; }
body.public-site .footer-contact-section { width: 100%; }
body.public-site .footer-contact-list a {
  min-height: 66px;
  padding: 12px 7px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 5px;
  color: #fff;
  background: rgba(255, 255, 255, .075);
  align-items: center;
  justify-content: center;
  text-align: center;
}

body.public-site :is(.footer-nav a, .footer-contact-list span, .footer-contact-list em) {
  color: var(--public-footer-text);
  white-space: normal;
  overflow-wrap: anywhere;
}

body.public-site .footer-contact-list span {
  color: #fff;
  font-size: 13px;
  font-weight: 600;
}

body.public-site .footer-contact-list em { font-size: 12px; font-weight: 450; }
body.public-site .footer-email-list span { font-size: 12px; }

body.public-site .copyright {
  justify-content: center;
  padding-top: 18px;
  margin-top: 22px;
  border-color: rgba(255, 255, 255, .24);
  color: var(--public-footer-text);
  font-size: 12px;
  text-align: center;
}

body.public-site .copyright a { color: #fff; font-weight: 600; }
body.public-site .site-footer a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
body.public-site .footer-contact-list a:hover { background: rgba(255, 255, 255, .14); text-decoration: none; }

@media (max-width: 1040px) {
  body.public-site .nav {
    width: calc(100% - 40px);
    min-height: 68px;
    flex-wrap: wrap;
    gap: 0 16px;
    padding-block: 10px;
  }

  body.public-site .nav > .brand { order: 1; }
  body.public-site .nav-menu-toggle { display: inline-flex; order: 2; margin-left: auto; }

  body.public-site .nav-links {
    order: 3;
    flex: 1 0 100%;
    width: 100%;
    padding: 12px 0 6px;
    justify-content: flex-start;
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
  }

  body.public-site .nav-tools {
    order: 4;
    width: 100%;
    padding: 10px 0 4px;
    justify-content: flex-start;
    border-top: 1px solid var(--line);
  }

  body.public-site .nav-links a { padding: 10px 8px; }
  body.public-site .nav-dropdown > .nav-link { width: 100%; }
  body.public-site .nav-submenu { position: static; width: 100%; max-height: none; overflow: visible; margin-top: 6px; box-shadow: none; }
  body.public-site .nav-links > .nav-link { padding: 12px 13px; }
  body.public-site .site-header.nav-ready:not(.nav-open) :is(.nav-links, .nav-tools) { display: none; }
  body.public-site .site-header.nav-open { max-height: 100dvh; overflow-y: auto; }
}

@media (max-width: 1000px) {
  body.public-site .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  body.public-site .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  body.public-site .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  body.public-site .footer-brand { grid-column: auto; }
  body.public-site .footer-nav-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 520px) {
  body.public-site .nav { width: calc(100% - 32px); column-gap: 8px; }
  body.public-site .nav .brand { gap: 8px; }
  body.public-site .nav .brand-logo { width: 32px; height: 32px; }
  body.public-site .nav .brand > span { font-size: 14px; }
  body.public-site .nav .brand small { max-width: 144px; margin-inline: auto; font-size: 9px; }
  body.public-site:not(.butterfly-home) :is(.wrap, .page-head-inner, .hero-inner),
  body.public-site .site-footer .wrap { width: calc(100% - 32px); max-width: none; }
  body.public-site:not(.butterfly-home) .module { width: calc(100% - 32px); padding: 24px 20px; }
  body.public-site:not(.butterfly-home) .page-head { padding-block: 26px; }
  body.public-site:not(.butterfly-home) .page-head > .wrap { width: 100%; }
  body.public-site:not(.butterfly-home) .page-head :is(h1, p),
  body.public-site:not(.butterfly-home) :is(.toefl-overview, .resource-entry-card, .scenario-card, .timeline-hero-grid) :is(h1, h2, h3, p),
  body.public-site:not(.butterfly-home) .actions { max-width: none !important; word-break: normal; line-break: auto; }
  body.public-site:not(.butterfly-home) .page-head h1 { font-size: 29px; }
  body.public-site :is(.footer-brand, .footer-nav, .footer-contact) { padding: 22px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  body.public-site :is(.nav-links a, .site-header) { transition: none; }
}