@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800;900&family=Noto+Serif+SC:wght@600;700;900&display=swap');

:root {
  /* International Avant-Garde Academy Theme (日本IDPA奖项展厅级黑金调性) */
  --bg: #0B0D12;
  --bg-soft: #12151F;
  --bg-card: #181C28;
  --bg-card-hover: #202636;
  --bg-glass: rgba(11, 13, 18, 0.92);
  
  --ink: #FFFFFF;
  --ink-2: #9EA9B8;
  --ink-3: #677383;
  
  --line: rgba(255, 255, 255, 0.08);
  --line-gold: rgba(245, 158, 11, 0.35);
  --line-gold-strong: rgba(245, 158, 11, 0.7);
  
  /* International High-Luxury Gradient Gold Accent */
  --gold: #F59E0B;
  --gold-l: #FCD34D;
  --gold-d: #D97706;
  --gold-soft: rgba(245, 158, 11, 0.12);
  
  --red: #EF4444;
  
  --radius: 20px;
  --radius-sm: 12px;
  --maxw: 1880px;
  --pad: clamp(24px, 4vw, 64px);
  
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.65);
  --shadow-gold: 0 20px 60px rgba(245, 158, 11, 0.25);
}

/* 极简白模式 (Light Mode Theme) */
body.light-mode {
  --bg: #F8FAFC;
  --bg-soft: #F1F5F9;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F8FAFC;
  --bg-glass: rgba(248, 250, 252, 0.92);
  
  --ink: #0F172A;
  --ink-2: #475569;
  --ink-3: #64748B;
  
  --line: rgba(15, 23, 42, 0.08);
  --line-gold: rgba(245, 158, 11, 0.3);
  --line-gold-strong: rgba(245, 158, 11, 0.6);
  
  --shadow: 0 20px 40px rgba(15, 23, 42, 0.06);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.8;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 0.3s, color 0.3s;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.muted { color: var(--ink-2); }
.center { text-align: center; }

/* Home-page proof strip: keep four key benefits scannable instead of falling
   back to unstyled vertical text when the page is loaded without JS. */
.trust {
  background: #10151f;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.trust .wrap {
  min-height: 82px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: center;
}
.t-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  min-width: 0;
  padding: 14px 18px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 15px;
  line-height: 1.45;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}
.t-item:first-child { padding-left: 0; }
.t-item:last-child { padding-right: 0; border-right: 0; }
.t-item b { color: #fff; font-weight: 800; }
.t-ico {
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: #1a2435;
  color: #f5c563;
  font-size: 14px;
  font-weight: 800;
}

@media (max-width: 760px) {
  .trust .wrap { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 8px var(--pad); }
  .t-item { justify-content: flex-start; padding: 12px 8px; font-size: 13px; border-right: 0; }
  .t-item:first-child { padding-left: 8px; }
  .t-item:last-child { padding-right: 8px; }
  .t-item:last-child { grid-column: 1 / -1; justify-content: center; }
}

@media (min-width: 761px) and (max-width: 1100px) {
  .trust .wrap { grid-template-columns: repeat(3, minmax(0, 1fr)); padding: 8px var(--pad); }
  .t-item { border-right: 0; }
  .t-item:first-child { padding-left: 18px; }
  .t-item:last-child { grid-column: 2; }
}

/* Academic Buttons & Badges */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--gold-l) 0%, var(--gold) 50%, var(--gold-d) 100%);
  color: #0B0D12;
  font-size: 16px;
  font-weight: 800;
  padding: 12px 30px;
  border-radius: 999px;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-gold);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-3px) scale(1.02);
  filter: brightness(1.1);
  box-shadow: 0 24px 70px rgba(245, 158, 11, 0.4);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  border: 1px solid var(--line-gold-strong);
  padding: 13px 32px;
  border-radius: 999px;
  backdrop-filter: blur(10px);
  font-weight: 700;
}

.btn-ghost:hover {
  background: var(--gold-soft);
  color: var(--gold-l);
  border-color: var(--gold);
  transform: translateY(-2px);
}

.btn-lg {
  font-size: 18.5px;
  padding: 18px 48px;
}

.btn-block {
  display: flex;
  width: 100%;
  text-align: center;
}

.btn-center {
  display: inline-flex;
  margin-left: auto;
  margin-right: auto;
}

/* Nav Bar & Header Layout */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: saturate(180%) blur(24px);
  border-bottom: 1px solid var(--line);
  width: 100%;
}

.nav-in {
  max-width: 1840px;
  margin: 0 auto;
  padding: 0 clamp(20px, 3.5vw, 56px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  position: relative;
}

.brand {
  display: inline-flex !important;
  align-items: center !important;
  gap: 0 !important;
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--ink);
  white-space: nowrap !important;
  flex-shrink: 0 !important;
  margin-right: 20px;
}

.brand * {
  white-space: nowrap !important;
}

.brand-logo {
  height: 40px;
  width: auto;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(245, 158, 11, 0.35));
  margin-right: 10px;
  transition: transform 0.3s;
  flex-shrink: 0 !important;
}

.brand:hover .brand-logo {
  transform: scale(1.06);
}

.brand-gradient {
  background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 50%, #EF4444 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 900;
  display: inline-block;
  white-space: nowrap !important;
}

.nav-links {
  display: flex;
  gap: clamp(16px, 2.2vw, 32px);
  align-items: center;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-links a {
  font-size: 15.5px;
  color: var(--ink-2);
  font-weight: 600;
  position: relative;
  padding: 6px 0;
  white-space: nowrap !important;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--gold-l);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2.5px;
  background: var(--gold);
  transition: width 0.25s ease;
  border-radius: 2px;
}

.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

.nav-right-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.qz-theme-btn, .qz-lang-btn {
  font-size: 13.5px;
  font-weight: 700;
  padding: 7px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Language and light-theme controls have been retired; the site is Chinese dark mode only. */
.qz-theme-btn, .qz-lang-btn { display: none !important; }

/* Trial page: a single vertical decision path prevents the embedded lead form
   from being squeezed into a narrow, independently scrolling column. */
.trial-contact-stack {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  max-width: 880px;
  margin: 0 auto;
}

/* Footer link groups: two columns create four compact, easy-to-scan rows. */
.foot-grid > div:nth-child(2),
.foot-grid > div:nth-child(3) {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 22px;
  align-content: start;
}
.foot-grid > div:nth-child(2) h4,
.foot-grid > div:nth-child(3) h4 {
  grid-column: 1 / -1;
}
@media (max-width: 760px) {
  .foot-grid > div:nth-child(2),
  .foot-grid > div:nth-child(3) { grid-template-columns: 1fr; }
}

.qz-theme-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  color: var(--ink);
}

.qz-theme-btn:hover {
  background: var(--gold-soft);
  border-color: var(--gold);
  color: var(--gold-l);
}

.qz-lang-btn {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid var(--line-gold);
  color: var(--gold-l);
}

.qz-lang-btn:hover {
  background: var(--gold);
  color: #0B0D12;
  border-color: var(--gold-l);
}

.nav-cta {
  flex-shrink: 0;
}

.nav-toggle { display: none; }
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 42px;
  height: 42px;
  cursor: pointer;
}
.nav-burger span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--ink);
  border-radius: 2px;
  transition: 0.3s;
}

/* Full-Width Immersive Architectural Exhibition Hero */
.hero-fullwidth {
  position: relative;
  min-height: 84vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #000;
}

.hero-fullwidth > picture {
  position: absolute;
  inset: 0;
  display: block;
}

.hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
  filter: brightness(0.75) contrast(1.1);
  transform: scale(1.02);
  transition: transform 10s ease;
}

.hero-fullwidth:hover .hero-bg-img {
  transform: scale(1.06);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(180deg, rgba(11, 13, 18, 0.7) 0%, rgba(11, 13, 18, 0.4) 40%, rgba(11, 13, 18, 0.95) 100%),
    radial-gradient(circle at 50% 50%, transparent 20%, rgba(11, 13, 18, 0.8) 100%);
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 1280px;
  margin: 0 auto;
  padding: 100px var(--pad);
  text-align: center;
}

.hero-content .en-kicker {
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold-l);
  margin-bottom: 24px;
  display: block;
}

.hero-content h1 {
  font-family: 'Noto Serif SC', 'Plus Jakarta Sans', serif;
  font-size: clamp(40px, 4.5vw, 68px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #FFF;
  margin-bottom: 28px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.hero-content h1 em {
  font-style: normal;
  color: var(--gold-l);
  white-space: nowrap;
}

.story-note {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-3);
}

.hero-content h1 .hero-join {
  font-style: normal;
  display: inline;
}

/* Industry insight articles: a compact, consistent editorial reading system. */
.news-article-hero {
  padding: 34px 0 30px;
  background: radial-gradient(circle at 14% 0, rgba(245, 158, 11, 0.12), transparent 36%), #10131c;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--line);
}

.news-article-hero .wrap,
.news-article-layout { max-width: var(--maxw); }

.news-article-hero .tag { display: inline-flex; margin-bottom: 14px; }

.news-article-hero .art-h1 {
  max-width: 900px;
  margin: 0;
  color: var(--ink);
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(30px, 3.2vw, 48px);
  line-height: 1.25;
  letter-spacing: -0.035em;
}

.news-article-hero .art-meta {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.news-article-hero + section { padding: 38px 0 76px; }

.news-article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: clamp(48px, 4vw, 88px);
  align-items: start;
}

.news-article-layout .art-main { min-width: 0; }

.news-article-layout .art-body {
  max-width: 1120px;
  color: #c9d0dc;
  font-size: 17px;
  line-height: 1.95;
}

.news-article-layout .art-body > *:first-child { margin-top: 0; }
.news-article-layout .art-body p { margin: 0 0 22px; }

.news-article-layout .art-body h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 48px 0 18px;
  color: var(--ink);
  font-size: clamp(22px, 2.1vw, 28px);
  line-height: 1.42;
  letter-spacing: -0.02em;
}

.news-article-layout .art-body h2::before {
  content: '';
  width: 4px;
  height: 1.15em;
  border-radius: 3px;
  flex: 0 0 auto;
  background: linear-gradient(180deg, var(--gold-l), var(--gold));
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.4);
}

.news-article-layout .art-body .lead {
  margin: 0 0 38px;
  padding: 20px 22px;
  border: 1px solid rgba(245, 158, 11, 0.24);
  border-left: 4px solid var(--gold);
  border-radius: 0 12px 12px 0;
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.09), rgba(245, 158, 11, 0.025));
  color: #e4e8ef;
  font-size: 18px;
  line-height: 1.85;
}

.news-article-layout .art-body ul,
.news-article-layout .art-body ol {
  margin: 0 0 26px;
  padding: 16px 20px 16px 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.035);
}

.news-article-layout .art-body li { margin: 8px 0; padding-left: 4px; }
.news-article-layout .art-body li::marker { color: var(--gold-l); }
.news-article-layout .art-body b,
.news-article-layout .art-body strong { color: #fff; }
.news-article-layout .art-body a { color: var(--gold-l); text-decoration: underline; text-underline-offset: 3px; }

.news-article-layout .art-side { position: sticky; top: 104px; }

.news-article-layout .side-card {
  margin-bottom: 16px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #171c29;
}

.news-article-layout .side-card h4 { margin: 0 0 8px; color: var(--ink); font-size: 18px; }
.news-article-layout .side-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.news-article-layout .author-card .avatar { display: none; }

.news-article-layout .art-cta {
  margin-top: 48px;
  padding: 30px;
  border: 1px solid rgba(245, 158, 11, 0.32);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.14), rgba(255, 255, 255, 0.035));
}

.news-article-layout .art-cta h3 { margin: 0 0 8px; color: var(--ink); font-size: 24px; }
.news-article-layout .art-cta p { margin-bottom: 20px; color: #c9d0dc; font-size: 16px; }

@media (max-width: 860px) {
  .news-article-hero { padding: 26px 0 24px; }
  .news-article-hero + section { padding: 28px 0 52px; }
  .news-article-layout { grid-template-columns: 1fr; gap: 28px; }
  .news-article-layout .art-body { font-size: 16px; line-height: 1.85; }
  .news-article-layout .art-body .lead { padding: 16px 18px; font-size: 16px; }
  .news-article-layout .art-body h2 { margin-top: 38px; font-size: 22px; }
  .news-article-layout .art-side { position: static; }
  .news-article-layout .art-cta { margin-top: 36px; padding: 24px 20px; }
}

.hero-content p.hero-desc {
  font-size: clamp(18px, 1.4vw, 22px);
  color: rgba(255, 255, 255, 0.88);
  max-width: 960px;
  margin: 0 auto 40px;
  line-height: 1.8;
  font-weight: 400;
}

.hero-stats-strip {
  display: flex;
  justify-content: center;
  gap: clamp(24px, 4vw, 64px);
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-box { text-align: center; }
.stat-box .num {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(28px, 2.5vw, 42px);
  font-weight: 900;
  color: var(--gold-l);
  line-height: 1;
}

.stat-box .lbl {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 8px;
}

/* Sections & Headings */
section {
  padding: 108px 0;
}

.sec-soft {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.sec-head {
  text-align: center;
  max-width: 960px;
  margin: 0 auto 64px;
}

.en-subtitle {
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 10px;
}

.sec-head h1,
.sec-head h2 {
  font-family: 'Noto Serif SC', 'Plus Jakarta Sans', serif;
  font-size: clamp(32px, 3.4vw, 48px);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.25;
}

.sec-head p {
  color: var(--ink-2);
  font-size: 18.5px;
  margin-top: 16px;
}

/* Masterclass Knowledge Section */
.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.k-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 34px;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.k-card:hover {
  transform: translateY(-8px);
  background: var(--bg-card-hover);
  border-color: var(--line-gold-strong);
  box-shadow: var(--shadow-gold);
}

.k-card .k-num {
  font-family: 'Noto Serif SC', serif;
  font-size: 40px;
  font-weight: 900;
  color: var(--gold-soft);
  line-height: 1;
  margin-bottom: 18px;
}

.k-card h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 16px;
}

.k-card p {
  font-size: 16px;
  color: var(--ink-2);
  line-height: 1.8;
}

.k-card .k-tag {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--gold);
  background: var(--gold-soft);
  border: 1px solid var(--line-gold);
  padding: 4px 14px;
  border-radius: 999px;
  margin-top: 20px;
}

/* Cards & Grid */
.grid {
  display: grid;
  gap: 32px;
}

.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.card:hover {
  transform: translateY(-8px);
  background: var(--bg-card-hover);
  border-color: var(--line-gold-strong);
  box-shadow: var(--shadow-gold);
}

.card-img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: transform 0.4s;
}

.card-img:hover {
  transform: scale(1.03);
}

.card .tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 800;
  color: var(--gold);
  background: var(--gold-soft);
  border: 1px solid var(--line-gold);
  padding: 5px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.card h3 {
  font-size: 23px;
  font-weight: 800;
  margin-bottom: 14px;
  color: var(--ink);
}

.card p {
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.75;
}

.card .more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  color: var(--gold-l);
  font-weight: 800;
  font-size: 16px;
}

.card .more:hover {
  color: var(--gold);
  transform: translateX(6px);
}

/* Accent Section */
.sec-accent {
  background: 
    radial-gradient(1200px 600px at 50% 0%, rgba(245, 158, 11, 0.15), transparent 70%),
    linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
  border-top: 1px solid var(--line-gold);
  border-bottom: 1px solid var(--line-gold);
}

.sec-accent .sec-head h1,
.sec-accent .sec-head h2 { color: var(--ink); }

/* Student Story Cards */
.story-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.3s;
}

.story-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-gold);
}

.story-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.story-avatar {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-l) 0%, var(--gold-d) 100%);
  color: #0B0D12;
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 20px;
}

.story-name {
  font-weight: 800;
  font-size: 18px;
  color: var(--ink);
}

.story-role {
  font-size: 13.5px;
  color: var(--ink-3);
}

.story-ba {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 14.5px;
}

.story-ba .from { color: var(--ink-3); text-decoration: line-through; }
.story-ba .arr { color: var(--gold); font-weight: 800; }
.story-ba .to { color: var(--gold-l); font-weight: 800; }

.story-quote {
  font-size: 16.5px;
  color: var(--ink);
  line-height: 1.75;
  border-left: 4px solid var(--gold);
  padding-left: 16px;
  margin-bottom: 20px;
}

.story-note {
  font-size: 13px;
  color: var(--ink-3);
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

/* Parent Trust Section */
.p-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.p-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px;
}

.p-card .p-q {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}

.p-card .p-ico {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--gold-soft);
  border: 1px solid var(--line-gold);
  color: var(--gold-l);
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 18px;
}

.p-card h4 {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
}

.p-card p {
  color: var(--ink-2);
  font-size: 16.5px;
  line-height: 1.75;
}

.letter {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(18, 21, 31, 0.8) 100%);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius);
  padding: 44px;
  margin-top: 36px;
}

.letter h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 26px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 16px;
}

.letter p {
  font-size: 17.5px;
  color: var(--ink);
  line-height: 1.85;
}

.letter b { color: var(--gold-l); }

/* Address Badge */
.address-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid var(--line-gold-strong);
  color: var(--ink);
  padding: 10px 24px;
  border-radius: 999px;
  font-size: 15.5px;
  margin-top: 18px;
}

.address-badge b { color: var(--gold-l); }

/* CTA Band */
.cta {
  background: 
    radial-gradient(900px 450px at 50% 0%, rgba(245, 158, 11, 0.2), transparent 70%),
    linear-gradient(135deg, var(--bg-card) 0%, var(--bg) 100%);
  border: 1px solid var(--line-gold-strong);
  border-radius: 36px;
  padding: 80px 48px;
  text-align: center;
  box-shadow: var(--shadow-gold);
}

.cta h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(32px, 3.8vw, 48px);
  font-weight: 900;
  color: var(--ink);
  margin-bottom: 16px;
}

.cta p {
  color: var(--ink-2);
  font-size: 19px;
  margin-bottom: 34px;
}

/* ============================================================
   Footer 4 Equal Columns
   ============================================================ */
footer {
  background: #08090D;
  border-top: 1px solid var(--line);
  padding: 56px 0 28px;
  color: var(--ink-3);
  font-size: 15px;
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.12fr 1.18fr 1.12fr 1.18fr;
  gap: 28px;
  margin-bottom: 30px;
  align-items: start;
}
.foot-grid > div { min-width: 0; }

.foot-grid h4 {
  font-size: 18px;
  color: var(--ink);
  margin: 0 0 14px;
  font-weight: 800;
  letter-spacing: -0.01em;
  position: relative;
  padding-bottom: 10px;
}

.foot-grid h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2.5px;
  background: var(--gold);
  border-radius: 2px;
}

.foot-grid a {
  display: flex;
  align-items: center;
  color: var(--ink-2);
  margin: 0;
  transition: color 0.2s, transform 0.2s;
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.35;
}
.foot-grid > div:nth-child(2),
.foot-grid > div:nth-child(3) { grid-auto-rows: 38px; }
.foot-grid > div:nth-child(2) a,
.foot-grid > div:nth-child(3) a { white-space: nowrap; }

.foot-grid a:hover {
  color: var(--gold-l);
  transform: translateX(4px);
}

.foot-contact {
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0 0 10px;
  font-size: 14.5px;
}

.foot-contact b { color: var(--ink); }

.foot-bottom {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  text-align: center;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-3);
}

.foot-protect {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.55;
  text-align: center;
  color: rgba(255, 255, 255, 0.4);
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

/* One aligned header rail across all four footer columns, including the brand. */
.foot-grid h4,
.foot-grid > div:first-child > .brand {
  box-sizing: border-box;
  min-height: 44px;
  display: flex !important;
  align-items: flex-start;
  position: relative;
  margin: 0 0 16px !important;
  padding: 0 0 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.foot-grid h4::after,
.foot-grid > div:first-child > .brand::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 42px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}
.foot-grid > div:first-child > .brand .brand-logo {
  height: 34px;
  margin-right: 8px;
}

/* 彻底禁绝一切底部吸底弹窗与浮框 */
#qz-mcta, .mcta, .mcta-txt, .qz-float-dock, .qz-sticky-bar, .bottom-dock {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
  opacity: 0 !important;
}

/* Modals & Lightbox */
.qz-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(6, 8, 11, 0.9);
  backdrop-filter: blur(18px);
  place-items: center;
  padding: 20px;
}

.qz-modal.active { display: grid; }

.qz-modal-box {
  background: var(--bg-card);
  border: 1px solid var(--line-gold-strong);
  border-radius: var(--radius);
  padding: 44px;
  max-width: 620px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-gold);
}

.qz-modal-close {
  position: absolute;
  top: 20px;
  right: 22px;
  background: none;
  border: none;
  color: var(--ink-2);
  font-size: 30px;
  cursor: pointer;
}

.qz-modal-close:hover { color: var(--ink); }

.qz-quiz-badge {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--gold-l);
  background: var(--gold-soft);
  padding: 5px 14px;
  border-radius: 999px;
  display: inline-block;
  margin-bottom: 14px;
}

.qz-quiz-step h3 {
  font-size: 24px;
  color: var(--ink);
  margin-bottom: 26px;
  font-weight: 800;
}

.qz-quiz-opts {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.qz-opt-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  font-size: 16.5px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s;
}

.qz-opt-btn:hover {
  background: var(--gold-soft);
  border-color: var(--gold);
  color: var(--gold-l);
  transform: translateX(6px);
}

.qz-quiz-result { text-align: center; }
.qz-res-icon { font-size: 52px; margin-bottom: 14px; }
.qz-res-desc { font-size: 17px; color: var(--ink); line-height: 1.8; margin: 18px 0 26px; text-align: left; background: rgba(255,255,255,0.04); padding: 22px; border-radius: var(--radius-sm); border-left: 4px solid var(--gold); }
.qz-res-tip { font-size: 14px; color: var(--ink-2); margin-top: 14px; }

/* Lightbox Popup */
.qz-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: rgba(5, 7, 10, 0.95);
  backdrop-filter: blur(24px);
  place-items: center;
  padding: 30px;
}

.qz-lightbox.active { display: grid; }

.qz-lb-content {
  max-width: 1200px;
  width: 100%;
  text-align: center;
  position: relative;
}

.qz-lb-close {
  position: absolute;
  top: -44px;
  right: 0;
  background: none;
  border: none;
  color: #FFF;
  font-size: 40px;
  cursor: pointer;
}

.qz-lb-img {
  max-height: 82vh;
  width: auto;
  margin: 0 auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-gold-strong);
  box-shadow: var(--shadow);
}

.qz-lb-caption {
  font-size: 18px;
  color: #FFF;
  margin-top: 18px;
  font-weight: 700;
}

/* Toast */
.qz-toast {
  position: fixed;
  top: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  opacity: 0;
  visibility: hidden;
  z-index: 2000;
  background: var(--bg-card);
  border: 1px solid var(--gold);
  color: var(--ink);
  padding: 16px 32px;
  border-radius: 999px;
  box-shadow: var(--shadow-gold);
  font-size: 16px;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  pointer-events: none;
}

.qz-toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Responsive adjustments */
@media (max-width: 1400px) {
  .foot-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .knowledge-grid { grid-template-columns: 1fr; }
}

@media (max-width: 1180px) {
  .nav-links { gap: 14px; }
  .nav-links a { font-size: 14.5px; }
}

@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .p-grid { grid-template-columns: 1fr; }
  .nav-in { padding: 0 20px; }
}

@media (max-width: 860px) {
  .foot-grid { grid-template-columns: 1fr; gap: 32px; }
  .nav-burger { display: flex; }
  .nav-links {
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    transform: none;
    flex-direction: column;
    gap: 0;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .nav-toggle:checked ~ .nav-links { max-height: 600px; }
  .nav-links a {
    padding: 16px 28px;
    border-bottom: 1px solid var(--line);
    width: 100%;
  }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .hero-stats-strip { flex-direction: column; gap: 24px; }
}