/* AICOAST / 上岸智源 · unified editorial UI
   真实课堂与企业工作室气质：清晰、克制、可读、可行动。 */
:root {
  --ui-paper: #f5f2eb;
  --ui-paper-deep: #e8eee8;
  --ui-white: #fffdf8;
  --ui-ink: #202923;
  --ui-muted: #40524a;
  --ui-faint: #687870;
  --ui-line: rgba(32, 41, 35, .15);
  --ui-green: #1c604f;
  --ui-green-dark: #124638;
  --ui-red: #9d3d2d;
  --ui-red-soft: #f2c3b4;
  --ui-serif: 'Noto Serif SC', 'Songti SC', STSong, serif;
  --ui-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  --ui-mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, monospace;

  /* Legacy page templates use this palette internally. Keep those tokens in
     the light editorial system so an inline var(--text-1) can never turn
     into low-contrast white text on a light surface. */
  --bg-deep: var(--ui-paper) !important;
  --bg-card: var(--ui-white) !important;
  --bg-card-2: #edf3ed !important;
  --line: rgba(32, 41, 35, .18) !important;
  --line-soft: rgba(32, 41, 35, .13) !important;
  --gold: var(--ui-red) !important;
  --gold-soft: #9e4432 !important;
  --emerald: var(--ui-green) !important;
  --text-1: var(--ui-ink) !important;
  --text-2: var(--ui-muted) !important;
  --text-3: #56675f !important;
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--ui-paper) !important; color-scheme: light; scroll-behavior: smooth; }
body { margin: 0; background: var(--ui-paper) !important; color: var(--ui-ink) !important; font-family: var(--ui-sans) !important; letter-spacing: 0 !important; line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
body::before, body::after, .bg-glow, .fx-particles { display: none !important; }
img { max-width: 100%; height: auto; }
a { color: inherit; }

/* Brand */
.logo-mark { width: 178px !important; height: 53px !important; flex: 0 0 auto; color: transparent !important; font-size: 0 !important; background: url('/assets/aicoast-logo.png') center / contain no-repeat !important; border: 0 !important; border-radius: 0 !important; box-shadow: none !important; }
.logo-text { display: none !important; }
.brand-logo, .logo .brand-logo, .brand .brand-logo { display: block; width: 178px !important; height: auto !important; object-fit: contain; }

/* Navigation shared by old and new templates */
nav, header.nav, .topbar, header.topbar { position: relative; z-index: 100; background: rgba(255,253,248,.96) !important; color: var(--ui-ink) !important; border-bottom: 1px solid var(--ui-line) !important; box-shadow: 0 3px 18px rgba(32,41,35,.05) !important; backdrop-filter: blur(12px); }
nav { position: sticky; top: 0; padding: 0 !important; }
.topbar, header.topbar, header.nav { padding-top: 0 !important; padding-bottom: 0 !important; }
.nav-inner, .topbar-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav, header.nav > div { min-height: 76px; }
.nav-links, .links { display: flex; align-items: center; gap: 25px !important; }
.nav-links a, .links a, nav a, .topbar a, header.nav > div > a:not(.cta) { color: var(--ui-muted) !important; text-decoration: none; font-size: 14px; transition: color .2s ease; }
.nav-links a:hover, .nav-links a.active, .links a:hover, .links a.active, nav a:hover, .topbar a:hover { color: var(--ui-red) !important; }
.nav-links a.active::after { background: var(--ui-red) !important; }
.nav-cta, .topbar .cta, .topbar .nav-cta, header.nav .cta { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 22px !important; background: var(--ui-green) !important; border: 1px solid var(--ui-green) !important; border-radius: 3px !important; color: #fffdf8 !important; text-decoration: none; font-weight: 600; }
.nav-cta:hover, .topbar .cta:hover, header.nav .cta:hover { background: var(--ui-green-dark) !important; color: #fffdf8 !important; }
.mobile-menu { background: var(--ui-white) !important; border-bottom: 1px solid var(--ui-line) !important; }
.mobile-menu a { color: var(--ui-ink) !important; border-color: var(--ui-line) !important; }
.nav-toggle { border-color: var(--ui-line) !important; border-radius: 3px !important; }
.nav-toggle { align-items: flex-start; flex-direction: column; justify-content: center; gap: 5px; }
.nav-toggle span { align-self: flex-start; flex: 0 0 2px; width: 18px !important; background: var(--ui-ink) !important; }

/* Type and layout */
.container, .wrap { max-width: 1200px !important; margin-left: auto !important; margin-right: auto !important; }
section, .section { border-color: var(--ui-line) !important; }
h1, h2, h3, h4, .section-title, .page-hero h1, .hero h1 { color: var(--ui-ink) !important; font-family: var(--ui-serif) !important; letter-spacing: 0 !important; }
p, li, td, .section-sub, .hero-tag, .page-hero .tag { color: var(--ui-muted); }
.eyebrow, .ey, .tldr-tag, .art-meta, .crumb { color: var(--ui-red) !important; font-family: var(--ui-mono) !important; letter-spacing: 1.2px !important; }
.eyebrow, .ey { display: inline-flex; align-items: center; gap: 9px; padding: 0 0 0 11px !important; background: transparent !important; border: 0 !important; border-left: 3px solid var(--ui-red) !important; border-radius: 0 !important; }
.eyebrow::before { display: none !important; }
.section-head { max-width: 780px; }
.section-title { font-size: clamp(32px, 4vw, 52px) !important; line-height: 1.22 !important; }

/* Buttons */
.btn, .btn-primary, .primary, .btn-ghost, .cta { border-radius: 3px !important; box-shadow: none !important; font-family: var(--ui-sans) !important; font-weight: 600 !important; }
.btn-primary, .primary { background: var(--ui-green) !important; border: 1px solid var(--ui-green) !important; color: #fffdf8 !important; }
.btn-primary:hover, .primary:hover { background: var(--ui-green-dark) !important; transform: translateY(-1px); }
.btn-ghost, .btn:not(.btn-primary):not(.primary) { color: var(--ui-green) !important; border-color: var(--ui-green) !important; background: transparent !important; }
.btn-ghost:hover, .btn:not(.btn-primary):not(.primary):hover { background: var(--ui-green) !important; color: #fffdf8 !important; }

/* Cards and surfaces */
.card, .cap-card, .role-card, .prog-card, .article-card, .activity-card, .channel-card, .pillar-card, .advantage, .faculty, .story-card, .insight-card, .path-step, .hero-stats-card, .principle-card, .flag-block, .flag-card, .module-card, .lecture-card, .case-card, .highlight-card, .flow-card, .route-card, .product-card, .audience-card, .deliver-card, .course-card, .faq-item, .mv-card, .value-card, .contact-card, .tl-text, .join-block, .rel-box, .hub-sibs, .tldr, .faq details { background: var(--ui-white) !important; color: var(--ui-ink) !important; border: 1px solid var(--ui-line) !important; border-radius: 5px !important; box-shadow: 0 1px 0 rgba(32,41,35,.035) !important; }
.card:hover, .article-card:hover, .course-card:hover, .product-card:hover, .faculty:hover, .value-card:hover, .advantage:hover, .audience-card:hover, .deliver-card:hover, .flow-card:hover, .route-card:hover { border-color: rgba(28,96,79,.55) !important; box-shadow: 0 12px 26px rgba(32,41,35,.08) !important; transform: translateY(-2px); }
.product-tag, .course-tags span, .pillar-more, .faculty .title, .product-fit, .course-output { color: var(--ui-green) !important; }
.product-fit, .course-output { background: #edf5ef !important; border-color: rgba(28,96,79,.25) !important; }
.pillar-icon, .avatar, .story-avatar { background: #e4eee8 !important; color: var(--ui-green) !important; border-color: rgba(28,96,79,.2) !important; border-radius: 4px !important; }
.faculty { display: flex; flex-direction: column; min-height: 390px; text-align: left; }
.faculty .avatar, .faculty .name, .faculty .title, .faculty .desc { text-align: center; }
.faculty .faculty-service, .faculty .faculty-case { font-size: 13px; line-height: 1.7; }
.faculty .faculty-service { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--ui-line); color: var(--ui-ink); }
.faculty .faculty-service span, .faculty .faculty-case span { display: block; margin-bottom: 4px; color: var(--ui-red); font-family: var(--ui-mono); font-size: 10px; letter-spacing: 1px; }
.faculty .faculty-case { margin-top: 12px; color: var(--ui-muted); }
.faculty .faculty-case strong { display: block; margin-bottom: 3px; color: var(--ui-ink); font-size: 14px; font-weight: 600; }
.faculty .faculty-output { margin-top: auto; padding: 10px 12px; border-left: 3px solid var(--ui-green); background: #eef5f0; color: var(--ui-green); font-size: 12px; line-height: 1.55; }
.faculty-detail-link { display: inline-flex; align-items: center; align-self: flex-start; margin-top: 12px; color: var(--ui-green) !important; font: 600 13px/1.35 var(--ui-sans); letter-spacing: 0; text-decoration: underline; text-decoration-color: rgba(28,96,79,.38); text-underline-offset: 4px; transition: color .2s ease, text-decoration-color .2s ease; }
.faculty-detail-link:hover { color: var(--ui-red) !important; text-decoration-color: currentColor; }
.faculty-detail-link:focus-visible { outline: 2px solid var(--ui-green); outline-offset: 4px; border-radius: 2px; }

/* Inner-page heroes: quiet editorial opening */
.page-hero, body:not(.aicoast-workshop-theme) .hero { background: var(--ui-paper-deep) !important; color: var(--ui-ink) !important; }
.page-hero { min-height: auto !important; padding-top: 84px !important; padding-bottom: 84px !important; }
.page-hero::before, .page-hero::after, body:not(.aicoast-workshop-theme) .hero::before, body:not(.aicoast-workshop-theme) .hero::after { display: none !important; }
.page-hero h1, .page-hero h1 .gold-text, body:not(.aicoast-workshop-theme) .hero h1, body:not(.aicoast-workshop-theme) .hero h1 em { background: none !important; color: var(--ui-ink) !important; -webkit-text-fill-color: currentColor !important; }
.page-hero h1 .gold-text, body:not(.aicoast-workshop-theme) .hero h1 em, .gold, .gold-text { color: var(--ui-red) !important; -webkit-text-fill-color: currentColor !important; }
body:not(.aicoast-workshop-theme) .hero { min-height: auto !important; padding-top: 82px !important; padding-bottom: 86px !important; }
body:not(.aicoast-workshop-theme) .hero p, body:not(.aicoast-workshop-theme) .hero .hero-tag { color: var(--ui-muted) !important; }
body:not(.aicoast-workshop-theme) .hero-card, body:not(.aicoast-workshop-theme) .flagship, body:not(.aicoast-workshop-theme) .side { background: var(--ui-white) !important; color: var(--ui-ink) !important; border-color: var(--ui-line) !important; box-shadow: 0 1px 0 rgba(32,41,35,.035) !important; }
body:not(.aicoast-workshop-theme) .hero-card h3, body:not(.aicoast-workshop-theme) .hero-card p, body:not(.aicoast-workshop-theme) .hero-card .sub { color: var(--ui-ink) !important; }
.tldr { border-color: rgba(189,84,61,.38) !important; }
.tldr p, .tldr strong { color: var(--ui-ink) !important; }
.art-body h2, .art-body h3 { color: var(--ui-ink) !important; border-color: var(--ui-red) !important; }
.art-body p, .art-body li, .faq-item p, .rel-box a { color: var(--ui-muted) !important; }
.article-card p, .featured-body p, .report-info p, .insight-card p, .activity-card p, .channel-card p { color: var(--ui-muted) !important; }
.crumb { padding-top: 48px !important; }
table th { background: var(--ui-paper-deep) !important; color: var(--ui-green) !important; border-color: var(--ui-line) !important; }
table td { color: var(--ui-muted) !important; border-color: var(--ui-line) !important; }

/* Dark legacy blocks become light editorial bands. */
section[style*="background"], .dark-block, .path-block, .featured-block, .flag-block { background: var(--ui-paper-deep) !important; color: var(--ui-ink) !important; border-color: var(--ui-line) !important; }
.dark-block h1, .dark-block h2, .dark-block h3, .path-block h1, .path-block h2, .path-block h3, .featured-block h1, .featured-block h2, .featured-block h3 { color: var(--ui-ink) !important; }
.dark-block p, .path-block p, .featured-block p { color: var(--ui-muted) !important; }

/* Home: one strong real-world signal, with a readable photo overlay. */
.aicoast-workshop-theme .hero { min-height: 760px !important; padding-top: 120px !important; padding-bottom: 90px !important; background: #173c32 !important; }
.aicoast-workshop-theme .hero-bg img { opacity: 1 !important; filter: none !important; animation: none !important; object-position: center !important; }
.aicoast-workshop-theme .hero-bg::after { background: linear-gradient(90deg, rgba(18,48,39,.93) 0%, rgba(18,48,39,.84) 38%, rgba(18,48,39,.35) 76%, rgba(18,48,39,.18) 100%) !important; }
.aicoast-workshop-theme .hero h1 { color: #fffdf8 !important; -webkit-text-fill-color: #fffdf8 !important; background: none !important; font-size: clamp(44px, 4.8vw, 68px) !important; }
.aicoast-workshop-theme .hero h1 .gold-text { white-space: nowrap; }
.aicoast-workshop-theme .hero h1 .gold-text { color: var(--ui-red-soft) !important; -webkit-text-fill-color: var(--ui-red-soft) !important; }
.aicoast-workshop-theme .hero-tag { color: rgba(255,253,248,.85) !important; }
.aicoast-workshop-theme .hero-tag em { color: var(--ui-red-soft) !important; }
.aicoast-workshop-theme .hero .eyebrow { color: #f8e8e0 !important; border-left-color: var(--ui-red-soft) !important; }
.aicoast-workshop-theme .hero-card { background: rgba(255,253,248,.96) !important; border: 0 !important; border-top: 4px solid var(--ui-red) !important; border-radius: 5px !important; padding: 32px !important; color: var(--ui-ink) !important; box-shadow: 0 18px 50px rgba(0,0,0,.2) !important; }
.aicoast-workshop-theme .hero-card h3, .aicoast-workshop-theme .hero-card .sub { color: var(--ui-ink) !important; }
.aicoast-workshop-theme .hero-card .sub { color: var(--ui-muted) !important; }
.aicoast-workshop-theme .hero-card-flag, .aicoast-workshop-theme .hero-card .hero-price, .aicoast-workshop-theme .finding b, .aicoast-workshop-theme .stat-mini .num { color: var(--ui-red) !important; }
.aicoast-workshop-theme .finding { background: var(--ui-paper) !important; border-color: var(--ui-line) !important; }
.aicoast-workshop-theme .finding span, .aicoast-workshop-theme .stat-mini .lbl { color: var(--ui-ink) !important; }
.aicoast-workshop-theme .hero-card .btn { background: var(--ui-green) !important; color: #fffdf8 !important; }
.aicoast-workshop-theme .hero-left .btn-ghost { color: #fffdf8 !important; border-color: rgba(255,255,255,.72) !important; }
.aicoast-workshop-theme .hero-left .btn-ghost:hover { color: var(--ui-green) !important; background: #fffdf8 !important; }
.aicoast-workshop-theme .cta-card { background: var(--ui-green) !important; color: #fffdf8 !important; border: 0 !important; border-radius: 5px !important; }
.aicoast-workshop-theme .cta-card .cta-quote, .aicoast-workshop-theme .cta-card .cta-sub { color: #fffdf8 !important; }
.aicoast-workshop-theme .cta-card .btn-primary { background: var(--ui-red-soft) !important; color: var(--ui-ink) !important; }

/* Photos and footer */
.class-photo, .featured-photo { border-radius: 4px !important; border-color: var(--ui-line) !important; }
.class-photo::after, .featured-photo::after { background: linear-gradient(180deg, rgba(18,48,39,.04) 20%, rgba(18,48,39,.94) 100%) !important; }
.insight-cover::after { background: linear-gradient(180deg, rgba(18,48,39,.08) 24%, rgba(18,48,39,.92) 100%) !important; }
.insight-cover .tag { background: var(--ui-green) !important; color: #fffdf8 !important; border-radius: 2px !important; }
/* Readability guardrail for legacy dark-theme components after the 2026 light redesign. */
.mv-card h3, .value-card h3, .contact-card h4, .join-content h2, .join-roles h4,
.join-row .info strong,
.sw-card h3, .prog-card h3, .featured-article h3, .article-card h4,
.story-card .story-quote, .course-sub-block h2, .flag-content h2,
.module-card h3, .lecture-card h3, .case-card h3, .highlight-card h3,
.cta-card .cta-quote, .cta-card h2 {
  color: var(--ui-ink) !important;
  -webkit-text-fill-color: currentColor !important;
  background: none !important;
}

.mv-card .big, .mv-card .big em, .contact-card .v, .sw-price,
.flag-visual .center, .flag-visual .label, .flag-visual .orbit,
.course-sub-card strong, .featured-tag, .article-date, .story-tag,
.sw-tier, .sw-caps-title, .prog-side-title, .module-tag {
  -webkit-text-fill-color: currentColor !important;
  background: none !important;
}

.mv-card .big, .contact-card .v, .sw-price, .flag-visual .center,
.course-sub-card strong, .featured-article h3, .article-card h4,
.story-card .story-quote, .prog-card h3 {
  color: var(--ui-ink) !important;
}

.mv-card .big em, .gold, .gold-text, .cta-card em,
.featured-tag, .article-date, .story-tag, .sw-tier, .sw-caps-title,
.prog-side-title, .module-tag {
  color: var(--ui-red) !important;
}

.mv-card p, .value-card p, .contact-card p, .contact-card .d,
.join-content p, .join-role p,
.join-row .info span,
.sw-card p, .sw-card span, .sw-fit, .sw-note, .prog-desc, .prog-card li,
.featured-article p, .featured-body p, .article-card p, .article-meta,
.story-card p, .story-result, .course-sub-block p, .course-sub-card,
.flag-content .sub, .module-card p, .module-output, .lecture-card p,
.case-card p, .highlight-card p, .cta-card .cta-sub, .art-body p,
.art-body li {
  color: var(--ui-muted) !important;
  -webkit-text-fill-color: currentColor !important;
}

.sw-grid .sw-card, .prog-card, .featured-article, .course-sub-block,
.flag-visual, .sw-caps, .story-card, .join-role, .contact-card,
.join-row, .cta-card {
  background: var(--ui-white) !important;
  color: var(--ui-ink) !important;
  border: 1px solid var(--ui-line) !important;
  box-shadow: 0 1px 0 rgba(32,41,35,.035) !important;
}

.sw-card.featured, .sw-grid .sw-card.featured {
  border-color: rgba(28,96,79,.45) !important;
}

.sw-fit, .story-result, .module-output {
  background: #eef5f0 !important;
  color: var(--ui-green) !important;
  border-color: rgba(28,96,79,.22) !important;
}

.sw-chip {
  background: #f8faf7 !important;
  color: var(--ui-ink) !important;
  border: 1px solid var(--ui-line) !important;
}

.join-row .num, .sw-fit strong, .sw-more,
.contact-card a, .footer-bottom a {
  color: var(--ui-green) !important;
}

.flag-visual .orbit {
  background: var(--ui-green) !important;
  color: #fffdf8 !important;
  border: 1px solid var(--ui-green) !important;
}

.flag-visual .label {
  color: var(--ui-red) !important;
}

.flag-visual .center {
  color: rgba(189,84,61,.22) !important;
}

.article-date {
  color: var(--ui-green) !important;
  font-weight: 600 !important;
  letter-spacing: .3px !important;
}

/* Metadata remains secondary, but should never become faint microcopy. */
.featured-tag, .article-date, .story-tag, .sw-tier, .sw-caps-title,
.prog-side-title, .module-tag, .featured-visual .v-label,
.flag-visual .label, .tldr-tag, .art-meta, .crumb {
  font-size: max(12px, .78rem) !important;
  font-weight: 600 !important;
}
.sw-note, .sw-chip, .report-btn, .report-meta, .activity-meta {
  font-size: 13px !important;
  font-weight: 500 !important;
  color: var(--ui-muted) !important;
}

.reveal {
  opacity: 1 !important;
  transform: none !important;
}

.stats-row .stat .num, .data-num, .hero-info-card .num,
.featured-visual .big, .flag-visual .center {
  -webkit-text-fill-color: currentColor !important;
  background: none !important;
}

.stats-row .stat .num, .data-num, .hero-info-card .num {
  color: var(--ui-red) !important;
}

.stats-row .stat .lbl, .data-lbl, .hero-info-card p,
.featured-visual .label {
  color: var(--ui-muted) !important;
}

.featured-visual .big {
  color: rgba(18,70,56,.54) !important;
}

body:has(.art-body) {
  background: var(--ui-paper) !important;
}

body:has(.art-body) .container:nth-of-type(n),
body:has(.art-body) .art-body,
body:has(.art-body) .art-head {
  color: var(--ui-ink) !important;
}

body:has(.art-body) .art-body p,
body:has(.art-body) .art-body li,
body:has(.art-body) td,
body:has(.art-body) .tldr p {
  color: #3f4f48 !important;
}

footer {
  background: var(--ui-white) !important;
  color: var(--ui-muted) !important;
  border-top: 1px solid var(--ui-line) !important;
}
footer h5 { color: var(--ui-ink) !important; }
footer p, footer li, footer a, footer .footer-bottom, footer .footer-brand p { color: var(--ui-muted) !important; }
footer .brand-logo, footer .logo-mark { background: transparent !important; }

/* Final readability pass for legacy dark-template components. These selectors
   deliberately cover inline var(--text-*) styles that appear throughout the
   old pages, while retaining dark photo overlays only where photos exist. */
body:not(.aicoast-workshop-theme) .join-row,
body:not(.aicoast-workshop-theme) .sw-caps,
body:not(.aicoast-workshop-theme) .hero-stats-card,
body:not(.aicoast-workshop-theme) .featured-visual,
body:not(.aicoast-workshop-theme) .flag-visual {
  background: #edf3ed !important;
  border-color: var(--ui-line) !important;
}

body:not(.aicoast-workshop-theme) .join-row *,
body:not(.aicoast-workshop-theme) .sw-caps *,
body:not(.aicoast-workshop-theme) .hero-stats-card *,
body:not(.aicoast-workshop-theme) .featured-article *,
body:not(.aicoast-workshop-theme) .article-card *,
body:not(.aicoast-workshop-theme) .flag-content *,
body:not(.aicoast-workshop-theme) .flag-visual *,
body:not(.aicoast-workshop-theme) .mv-card *,
body:not(.aicoast-workshop-theme) .contact-card *,
body:not(.aicoast-workshop-theme) .story-card *,
body:not(.aicoast-workshop-theme) .join-block *,
body:not(.aicoast-workshop-theme) .cta-card * {
  -webkit-text-fill-color: currentColor !important;
}

body:not(.aicoast-workshop-theme) .join-row,
body:not(.aicoast-workshop-theme) .sw-caps,
body:not(.aicoast-workshop-theme) .hero-stats-card,
body:not(.aicoast-workshop-theme) .featured-article,
body:not(.aicoast-workshop-theme) .article-card,
body:not(.aicoast-workshop-theme) .flag-content,
body:not(.aicoast-workshop-theme) .mv-card,
body:not(.aicoast-workshop-theme) .contact-card,
body:not(.aicoast-workshop-theme) .story-card,
body:not(.aicoast-workshop-theme) .join-block,
body:not(.aicoast-workshop-theme) .cta-card {
  color: var(--ui-ink) !important;
}

body:not(.aicoast-workshop-theme) .join-row p,
body:not(.aicoast-workshop-theme) .sw-caps p,
body:not(.aicoast-workshop-theme) .hero-stats-card p,
body:not(.aicoast-workshop-theme) .featured-article p,
body:not(.aicoast-workshop-theme) .article-card p,
body:not(.aicoast-workshop-theme) .flag-content p,
body:not(.aicoast-workshop-theme) .mv-card p,
body:not(.aicoast-workshop-theme) .contact-card p,
body:not(.aicoast-workshop-theme) .contact-card .d,
body:not(.aicoast-workshop-theme) .story-card p,
body:not(.aicoast-workshop-theme) .join-block p,
body:not(.aicoast-workshop-theme) .cta-card .cta-sub,
body:not(.aicoast-workshop-theme) .cta-card p {
  color: #3f4f48 !important;
}

body:not(.aicoast-workshop-theme) .join-row .num,
body:not(.aicoast-workshop-theme) .sw-caps-title,
body:not(.aicoast-workshop-theme) .featured-tag,
body:not(.aicoast-workshop-theme) .article-date,
body:not(.aicoast-workshop-theme) .story-tag,
body:not(.aicoast-workshop-theme) .flag-visual .label,
body:not(.aicoast-workshop-theme) .flag-visual .center,
body:not(.aicoast-workshop-theme) .featured-visual .big,
body:not(.aicoast-workshop-theme) .featured-visual .v-label,
body:not(.aicoast-workshop-theme) .cta-card em {
  color: var(--ui-red) !important;
}

body:not(.aicoast-workshop-theme) .flag-visual .center,
body:not(.aicoast-workshop-theme) .featured-visual .big {
  opacity: .78 !important;
}

body:not(.aicoast-workshop-theme) .flag-visual .orbit {
  background: var(--ui-green) !important;
  color: #fffdf8 !important;
  -webkit-text-fill-color: #fffdf8 !important;
  border-color: var(--ui-green) !important;
}

body:not(.aicoast-workshop-theme) .cta-card .btn-primary,
body:not(.aicoast-workshop-theme) .cta-card .btn-primary * {
  color: #fffdf8 !important;
  -webkit-text-fill-color: #fffdf8 !important;
}

/* Article templates are content-first pages, not dark dashboard panels. */
body:has(.art-body) .art-head h1,
body:has(.art-body) .faq-item h4,
body:has(.art-body) .rel-box .t,
body:has(.art-body) .cta-card .q,
body:has(.art-body) .cta-card .q em {
  color: var(--ui-ink) !important;
  -webkit-text-fill-color: currentColor !important;
}
body:has(.art-body) .cta-card .q em,
body:has(.art-body) .tldr-tag,
body:has(.art-body) .faq-item h4::before,
body:has(.art-body) .faq-item p::before,
body:has(.art-body) .rel-box a::before {
  color: var(--ui-red) !important;
}
body:has(.art-body) .art-body figure { margin-inline: 0 !important; }
body:has(.art-body) .art-body figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--ui-line) !important;
  border-radius: 5px !important;
}

@media (max-width: 1100px) { .nav-links, .links { gap: 16px !important; } .nav-links a { font-size: 13px; } }
@media (max-width: 968px) { .container, .wrap { width: min(100% - 40px, 680px) !important; } .nav-links, .links { display: none !important; } .nav-toggle { display: flex !important; } }
@media (max-width: 640px) {
  .container, .wrap { width: min(100% - 32px, 680px) !important; }
  .brand-logo, .logo .brand-logo, .brand .brand-logo { width: 142px !important; height: auto !important; }
  .logo-mark { width: 142px !important; height: 42px !important; }
  .nav-inner, .topbar-inner { min-height: 64px; }
  .nav-cta { min-height: 40px; padding: 0 14px !important; font-size: 13px; }
  section, .section { padding: 68px 0 !important; }
  .section-head { margin-bottom: 38px; }
  .section-title { font-size: 30px !important; }
  .hero h1, .page-hero h1 { font-size: 36px !important; }
  .page-hero, body:not(.aicoast-workshop-theme) .hero { padding-top: 58px !important; padding-bottom: 62px !important; }
  .crumb { padding-top: 28px !important; line-height: 1.8; }
  .art-head { padding-top: 24px !important; }
  .tldr { padding: 22px 20px !important; }
  .tldr p { font-size: 15px !important; line-height: 1.75 !important; }
  .btn { min-height: 44px; }
  .aicoast-workshop-theme .hero { min-height: auto !important; padding-top: 108px !important; padding-bottom: 58px !important; }
  .aicoast-workshop-theme .hero-inner, .aicoast-workshop-theme .featured-grid { grid-template-columns: 1fr !important; gap: 34px !important; }
  .aicoast-workshop-theme .hero-right { display: none !important; }
  .aicoast-workshop-theme .hero h1 { font-size: 38px !important; }
  .aicoast-workshop-theme .hero h1 .gold-text { white-space: normal; }
  .aicoast-workshop-theme .hero-tag { font-size: 15px !important; line-height: 1.8; }
  .aicoast-workshop-theme .hero-cta { flex-direction: column; align-items: stretch; }
  .aicoast-workshop-theme .hero-cta .btn { width: 100%; justify-content: center; }
  .aicoast-workshop-theme .hero-card { padding: 24px !important; }
  .footer-grid { grid-template-columns: 1fr !important; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}
/* Article templates keep a readable column and retain navigation access on phones. */
body:has(.art-body) .container { max-width: 900px !important; }
body:has(.art-body) .nav-inner { max-width: 1200px !important; }
body:has(.art-body) .crumb { max-width: 900px !important; }
.article-nav-toggle {
  display: none !important;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 9px;
  margin-left: 10px;
  background: transparent;
  border: 1px solid var(--ui-line);
  border-radius: 3px;
  cursor: pointer;
}
.article-nav-toggle span { display: block; height: 2px; width: 100%; background: var(--ui-ink); }
.mobile-menu.article-mobile-menu {
  position: fixed;
  top: 64px !important;
  left: 0;
  right: 0;
  z-index: 99;
  padding: 8px 20px 16px;
  display: none !important;
  flex-direction: column;
  background: var(--ui-white) !important;
  border-bottom: 1px solid var(--ui-line) !important;
}
.mobile-menu.article-mobile-menu.open { display: none !important; }
.article-mobile-menu a { padding: 15px 8px; text-decoration: none; font-size: 15px; border-bottom: 1px solid var(--ui-line); }
@media (max-width: 968px) {
  body:has(.art-body) .nav-links { display: none !important; }
  body:has(.art-body) .article-nav-toggle { display: flex !important; }
  body:has(.art-body) .mobile-menu.article-mobile-menu.open { display: flex !important; }
  body:has(.art-body) .nav-cta { flex: 0 0 auto; }
}
@media (max-width: 640px) {
  body:has(.art-body) .crumb { font-size: 0 !important; max-height: 62px; overflow: hidden; }
  body:has(.art-body) .crumb a, body:has(.art-body) .crumb span { font-size: 12px !important; }
  body:has(.art-body) .hero-card, body:has(.art-body) .tldr { border-radius: 5px !important; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }

/* Mobile and WeChat webview experience. The shared runtime adds the dock,
   long-list controls and table wrappers only when the matching content exists. */
.aicoast-mobile-dock,
.aicoast-insight-nav,
.aicoast-grid-more { display: none; }

.aicoast-table-scroll {
  width: 100%;
  margin: 22px 0 26px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}
.aicoast-table-scroll table { margin: 0 !important; min-width: 620px; }

@media (max-width: 768px) {
  html { scroll-padding-top: calc(76px + env(safe-area-inset-top)); }
  body { padding-bottom: calc(72px + env(safe-area-inset-bottom)) !important; }
  nav, header.nav, .topbar, header.topbar {
    top: 0;
    padding-top: env(safe-area-inset-top) !important;
  }
  .container, .wrap { width: min(100% - 32px, 680px) !important; padding-left: 0 !important; padding-right: 0 !important; }
  .nav-inner, .topbar-inner, .nav, header.nav > div { min-height: 64px !important; }
  .mobile-menu, .mobile-menu.article-mobile-menu {
    top: calc(64px + env(safe-area-inset-top)) !important;
    max-height: calc(100dvh - 64px - env(safe-area-inset-top));
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  section, .section { padding: 56px 0 !important; }
  .section-head { margin: 0 0 30px !important; text-align: left !important; }
  .section-title { margin-top: 16px !important; font-size: 29px !important; line-height: 1.3 !important; }
  .section-sub { font-size: 15px !important; line-height: 1.75 !important; }
  .eyebrow, .ey { font-size: 11px !important; line-height: 1.45 !important; letter-spacing: .6px !important; }
  .page-hero, body:not(.aicoast-workshop-theme) .hero {
    padding-top: 44px !important;
    padding-bottom: 48px !important;
  }
  .page-hero-inner, .hero-inner, .featured-grid, .flag-grid, .mv-grid,
  .join-grid, .contact-grid, .audience-wrap, .highlight-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 28px !important;
  }
  .page-hero h1, body:not(.aicoast-workshop-theme) .hero h1 {
    font-size: 34px !important;
    line-height: 1.24 !important;
    overflow-wrap: anywhere;
  }
  .page-hero .tag, .hero-tag, .lead { font-size: 16px !important; line-height: 1.75 !important; }
  .hero-stats-card, .hero-info-card, .panel, .flag-block, .course-sub-block,
  .join-block, .cta-card, .mv-card { padding: 24px 20px !important; }
  .stats-row, .data-grid, .hero-stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; gap: 18px !important; }
  .faculty-grid, .story-grid, .article-grid, .course-grid, .module-grid,
  .value-grid, .sw-grid, .prog-grid, .answer-grid, .advantage-grid,
  .path-grid, .course-ladder { grid-template-columns: minmax(0, 1fr) !important; gap: 14px !important; }
  .card, .article-card, .course-card, .story-card, .faculty, .value-card,
  .sw-card, .prog-card, .path-step { padding: 22px 20px !important; }
  .btn, .btn-primary, .btn-ghost, .primary, .cta,
  .nav-toggle, button, [role="button"] { min-height: 44px; }
  .hero-cta, .cta-actions { display: grid !important; grid-template-columns: 1fr !important; gap: 10px !important; }
  .hero-cta .btn, .cta-actions .btn, .cta-actions a { width: 100%; justify-content: center; }
  .timeline::before { left: 7px !important; }
  .tl-item, .tl-item.left, .tl-item.right {
    grid-template-columns: 22px minmax(0, 1fr) !important;
    gap: 10px !important;
  }
  .tl-item .tl-dot { grid-column: 1; grid-row: 1 / span 2; }
  .tl-item .tl-year, .tl-item.right .tl-year { grid-column: 2; text-align: left !important; font-size: 24px !important; }
  .tl-item .tl-text { grid-column: 2; }
  .aicoast-mobile-dock {
    position: fixed;
    top: auto !important;
    left: 0;
    right: 0;
    bottom: 0;
    min-height: 0 !important;
    height: auto !important;
    z-index: 2147483000;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
    gap: 9px;
    padding: 9px max(14px, env(safe-area-inset-right)) calc(9px + env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
    background: rgba(255, 253, 248, .97);
    border-top: 1px solid var(--ui-line);
    box-shadow: 0 -8px 26px rgba(32, 41, 35, .1);
    backdrop-filter: blur(14px);
  }
  .aicoast-mobile-dock a {
    display: inline-flex;
    min-width: 0;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    color: var(--ui-green) !important;
    background: var(--ui-white);
    border: 1px solid var(--ui-green);
    border-radius: 3px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 650;
    white-space: nowrap;
  }
  .aicoast-mobile-dock a:last-child { color: #fffdf8 !important; background: var(--ui-green); }
  .aicoast-insight-nav {
    position: sticky;
    top: calc(64px + env(safe-area-inset-top));
    z-index: 40;
    display: flex;
    gap: 8px;
    width: 100%;
    margin: 0 0 26px;
    padding: 10px 0;
    overflow-x: auto;
    scrollbar-width: none;
    background: var(--ui-paper);
  }
  .aicoast-insight-nav::-webkit-scrollbar { display: none; }
  .aicoast-insight-nav a {
    flex: 0 0 auto;
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    padding: 0 13px;
    color: var(--ui-green) !important;
    background: var(--ui-white);
    border: 1px solid var(--ui-line);
    border-radius: 3px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
  }
  .article-grid > .aicoast-mobile-hidden { display: none !important; }
  .aicoast-grid-more {
    display: flex;
    width: 100%;
    min-height: 46px;
    margin: 12px 0 30px;
    align-items: center;
    justify-content: center;
    color: var(--ui-green);
    background: var(--ui-white);
    border: 1px solid var(--ui-green);
    border-radius: 3px;
    font: 600 14px/1 var(--ui-sans);
    cursor: pointer;
  }
  .article-card h4 { font-size: 18px !important; line-height: 1.55 !important; }
  .article-card p { font-size: 14px !important; line-height: 1.75 !important; }
  body:has(.art-body) .art-head h1 { font-size: 29px !important; line-height: 1.4 !important; }
  body:has(.art-body) .art-body p,
  body:has(.art-body) .art-body li { font-size: 16px !important; line-height: 1.85 !important; }
  body:has(.art-body) .art-body h2 { margin-top: 38px !important; font-size: 22px !important; line-height: 1.45 !important; }
  body:has(.art-body) .art-body h3 { font-size: 18px !important; line-height: 1.5 !important; }
  body:has(.art-body) .art-body figure img { aspect-ratio: 4 / 3; }
  .aicoast-table-scroll { margin-inline: 0; }
  .aicoast-table-scroll::after {
    content: '表格可左右滑动';
    display: block;
    padding-top: 7px;
    color: var(--ui-faint);
    font-size: 12px;
  }
}

@media (max-width: 380px) {
  .container, .wrap { width: min(100% - 24px, 680px) !important; }
  .brand-logo, .logo .brand-logo, .brand .brand-logo { width: 126px !important; }
  .logo-mark { width: 126px !important; }
  .nav-cta { padding-inline: 10px !important; font-size: 12px !important; }
  .page-hero h1, .hero h1 { font-size: 31px !important; }
}

.is-wechat .wechat-only { display: block !important; }
.is-wechat a, .is-wechat button { -webkit-tap-highlight-color: rgba(28, 96, 79, .14); }