/* =========================================================
   sections.css —— 各区块专属布局：hero / 实力 / 板块 / 平台 / 使命 / 联系
   ========================================================= */

/* ---------- Hero ---------- */

.hero {
  position: relative;
  isolation: isolate;
  overflow: clip;
  padding-block: clamp(3rem, 8vw, 7rem) clamp(9rem, 17vw, 15rem);
  background:
    linear-gradient(to bottom, var(--paper-50), var(--paper-0) 62%);
}

.hero__glow {
  position: absolute;
  z-index: var(--z-glow);
  inset-block-start: -18%;
  inset-inline-end: -8%;
  inline-size: min(58vw, 720px);
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(204, 165, 86, 0.34), rgba(204, 165, 86, 0) 66%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.hero__copy { display: grid; gap: var(--space-sm); justify-items: start; }

.hero__title {
  font-size: var(--fs-h1);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
}

/* 雙品牌標題：兩個品牌名各自不可斷行，& 收細上提作連接符 */
.hero__brand { white-space: nowrap; }

.hero__amp {
  position: relative;
  top: -0.08em;
  margin-inline: 0.15em;
  font-family: var(--font-latin);
  font-size: 0.56em;
  font-weight: 700;
  color: var(--gold-700);
}

.hero__brandline {
  font-family: var(--font-latin);
  font-size: clamp(0.875rem, 1.4vw, 1.0625rem);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-600);
}

.hero__lead {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.1vw, 1.5rem);
  font-weight: 700;
  line-height: 1.7;
  color: var(--ink-900);
}

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs) var(--space-sm);
  list-style: none;
  padding-block: var(--space-2xs);
}

.hero__tags li {
  position: relative;
  padding-inline-start: 1.1rem;
  font-size: var(--fs-small);
  letter-spacing: 0.06em;
  color: var(--ink-600);
}

.hero__tags li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.62em;
  inline-size: 6px;
  block-size: 6px;
  border-radius: 50%;
  background: var(--gold-500);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
  margin-block-start: var(--space-2xs);
}

.hero__position {
  margin-block-start: var(--space-sm);
  font-family: var(--font-latin);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-500);
}

.hero__media {
  position: relative;
  align-self: stretch;
  display: grid;
  align-content: center;
}

/* 错位的金色描边框：品牌感的“装裱”，比直接放图更讲究 */
.hero__media::before {
  content: "";
  position: absolute;
  inset-block: 6% -4%;
  inset-inline: -5% 8%;
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.hero__media img {
  position: relative;
  inline-size: 100%;
  block-size: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
  mask-image: linear-gradient(to bottom, #000 82%, rgba(0, 0, 0, 0.55));
  -webkit-mask-image: linear-gradient(to bottom, #000 82%, rgba(0, 0, 0, 0.55));
}

.hero__media-caption {
  position: absolute;
  inset-block-end: 6%;
  inset-inline-start: -3%;
  padding: 0.5rem 0.95rem;
  background: var(--ink-900);
  color: var(--paper-0);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
}

.hero__skyline {
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  block-size: clamp(180px, 26vw, 330px);
  overflow: hidden;
  pointer-events: none;
}

.hero__skyline img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  object-position: center bottom;
  opacity: 0.62;
  mask-image: linear-gradient(to top, #000 24%, transparent);
  -webkit-mask-image: linear-gradient(to top, #000 24%, transparent);
}

/* ---------- 公司实力 ---------- */

.strength { background: var(--paper-0); }

.strength__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

.strength__body { display: grid; gap: var(--space-sm); }

.dual-track {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-sm);
  margin-block-start: var(--space-lg);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-md);
  background: var(--paper-50);
}

.dual-track__node { display: grid; gap: 0.15rem; }

.dual-track__node--gold {
  background: var(--grad-panel);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.85rem;
  text-align: end;
}

.dual-track__key {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--gold-700);
}

.dual-track__node--gold .dual-track__key { color: var(--ink-900); }

.dual-track__val {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--ink-900);
}

.dual-track__link {
  position: relative;
  inline-size: clamp(48px, 8vw, 120px);
  block-size: 1px;
  background: var(--grad-gold);
}

/* 双向箭头的两个端点 */
.dual-track__link::before,
.dual-track__link::after {
  content: "";
  position: absolute;
  inset-block-start: -3px;
  inline-size: 7px;
  block-size: 7px;
  border-block-start: 1px solid var(--gold-700);
  border-inline-end: 1px solid var(--gold-700);
}

.dual-track__link::before { inset-inline-start: 0; transform: rotate(-135deg); }
.dual-track__link::after { inset-inline-end: 0; transform: rotate(45deg); }

/* ---------- 三大业务板块 ---------- */

.pillars { background: var(--paper-50); }

/* 序号 | 正文 | 配图：三栏编排，避免大版面右侧留空 */
.pillar {
  display: grid;
  grid-template-columns:
    clamp(4.5rem, 9vw, 8rem)
    minmax(0, 1.02fr)
    minmax(0, 0.98fr);
  column-gap: clamp(1.5rem, 4vw, 4rem);
  padding-block: clamp(2rem, 4vw, 3.25rem);
  border-block-start: 1px solid var(--line-soft);
}

.pillar:first-of-type { border-block-start: 0; padding-block-start: 0; }

.pillar__no {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--font-num);
  font-style: italic;
  font-weight: 700;
  font-size: var(--fs-num);
  line-height: 0.82;
  letter-spacing: -0.02em;
}

.pillar__body {
  grid-column: 2;
  grid-row: 1;
  display: grid;
  gap: var(--space-xs);
  align-content: start;
}

.pillar__title { font-size: var(--fs-h3); }

.pillar__title-en {
  font-family: var(--font-latin);
  font-size: 0.85em;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-500);
}

.pillar__body > p {
  color: var(--ink-600);
  line-height: 1.9;
  max-inline-size: 68ch;
}

.pillar__media {
  grid-column: 3;
  grid-row: 1;
  align-self: start;
  margin: 0;
}

.pillar__media--card {
  display: grid;
  gap: var(--space-2xs);
  padding: var(--space-sm);
  background: var(--ink-900);
  border-radius: var(--radius-md);
}

.pillar__media--card img { border-radius: var(--radius-sm); }

.pillar__media--card figcaption {
  font-family: var(--font-latin);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-200);
  text-align: center;
}

.poster-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
}

.poster-row figure { margin: 0; }

.poster-row img {
  inline-size: 100%;
  block-size: auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
}

.poster-row__wide { grid-column: 1 / -1; }

.course-metrics {
  grid-column: 3;
  grid-row: 1;
  align-self: start;
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  list-style: none;
}

.course-metrics li {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--paper-0);
}

.course-metrics__num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--gold-700);
  min-inline-size: 3.5rem;
}

.course-metrics__label {
  font-size: var(--fs-small);
  color: var(--ink-600);
}

/* ---------- 旗下平台 ---------- */

.theme-legend {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: var(--space-sm);
  margin-block-end: var(--space-lg);
  list-style: none;
  counter-reset: none;
}

.theme-legend li {
  display: grid;
  gap: 0.15rem;
  padding: var(--space-sm) var(--space-md);
  border-inline-start: 2px solid var(--gold-500);
  background: var(--paper-0);
  font-family: var(--font-latin);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-900);
}

.theme-legend__no {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--gold-700);
}

.theme-legend__zh {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--ink-600);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2.4vw, 1.75rem);
}

/* ---------- 使命 ---------- */

.mission {
  background: var(--panel-ivory);
  overflow: clip;
}

.mission__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.mission__copy { display: grid; gap: var(--space-sm); }

.mission__media {
  margin: 0;
  display: grid;
  gap: var(--space-xs);
  justify-items: center;
}

.mission__media img {
  inline-size: 100%;
  block-size: auto;
  mask-image: radial-gradient(112% 88% at 50% 46%, #000 62%, transparent 94%);
  -webkit-mask-image: radial-gradient(112% 88% at 50% 46%, #000 62%, transparent 94%);
}

.mission__media figcaption {
  font-family: var(--font-latin);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-500);
}

/* ---------- 联系我们 ---------- */

.contact__panel {
  padding: clamp(2rem, 5vw, 4rem);
  border-radius: var(--radius-lg);
  background: var(--grad-panel);
  box-shadow: var(--shadow-soft);
}

/* 金面板之上：正文与标题统一墨色 */
.contact .eyebrow { color: var(--ink-700); }
.contact h2 { color: var(--ink-900); }
.contact .section-head__sub { color: var(--ink-700); }

.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}

.qr-row {
  display: flex;
  gap: var(--space-sm);
  list-style: none;
  flex-wrap: wrap;
}

.contact-list {
  display: grid;
  gap: var(--space-md);
  list-style: none;
}

.contact-list > div {
  padding-block-end: var(--space-sm);
  border-block-end: 1px solid rgba(20, 17, 12, 0.16);
  display: grid;
  gap: 0.3rem;
}

.contact-list > div:last-child { border-block-end: 0; padding-block-end: 0; }

.contact-list dt {
  font-family: var(--font-latin);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ink-700);
}

.contact-list dd {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 700;
  color: var(--ink-900);
}

.contact-list dd a {
  color: var(--ink-900);
  text-decoration: underline;
  text-decoration-color: rgba(20, 17, 12, 0.32);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.28em;
}

.contact-list dd a:hover {
  color: var(--ink-900);
  text-decoration-color: var(--ink-900);
}

/* ---------- 断点 ---------- */

@media (max-width: 1000px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__media { max-inline-size: 460px; margin-inline: auto; }
  .hero__media::before { inset-inline: 4% -4%; }
  .strength__grid,
  .mission__inner,
  .contact__grid { grid-template-columns: 1fr; }
  .qr-row { justify-content: flex-start; }

  /* 板块降为两栏：配图回到正文下方 */
  .pillar { grid-template-columns: clamp(3.5rem, 13vw, 6.5rem) minmax(0, 1fr); }

  .pillar__no { grid-row: 1 / span 2; }

  .pillar__body,
  .pillar__media,
  .course-metrics {
    grid-column: 2;
    grid-row: auto;
  }

  .pillar__media,
  .course-metrics { margin-block-start: var(--space-sm); }
}

@media (max-width: 720px) {
  .platform-grid { grid-template-columns: 1fr; }

  /* 橫向特例卡回到堆疊 */
  .platform-card--wide {
    grid-column: auto;
    grid-template-columns: 1fr;
    grid-template-areas:
      "head"
      "desc"
      "chips"
      "link";
  }

  .pillar {
    grid-template-columns: 1fr;
    column-gap: 0;
    row-gap: var(--space-2xs);
  }

  .pillar__no {
    grid-row: auto;
    font-size: clamp(2.8rem, 18vw, 4.2rem);
    line-height: 1;
  }

  .pillar__body,
  .pillar__media,
  .course-metrics {
    grid-column: 1;
    margin-block-start: 0;
  }

  .pillar__media,
  .course-metrics { margin-block-start: var(--space-sm); }

  .dual-track {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .dual-track__link { inline-size: 1px; block-size: 34px; margin-inline: auto; }
  .dual-track__link::before { inset-inline-start: -3px; inset-block-start: 0; transform: rotate(-45deg); }
  .dual-track__link::after { inset-inline-start: -3px; inset-block-end: 0; inset-block-start: auto; transform: rotate(135deg); }
  .dual-track__node--gold { text-align: start; }
  .hero { padding-block-end: clamp(7rem, 26vw, 10rem); }
}