/* 莲花演说 · 总裁班学友会
   成熟 / 真实 / 温暖 / 克制 · 米白 + 深墨蓝 + 香槟金 */

:root {
  --al-ink: #1a2332;
  --al-ink-soft: #3a4556;
  --al-paper: #f7f4ef;
  --al-paper-2: #efeae2;
  --al-card: #ffffff;
  --al-gold: #a8894a;
  --al-gold-soft: rgba(168, 137, 74, 0.14);
  --al-line: rgba(26, 35, 50, 0.1);
  --al-muted: #7a8494;
  --al-red: #b54538;
  --al-max: 1120px;
  --al-font-display: "Noto Serif SC", "Source Han Serif SC", serif;
  --al-font-body: "DM Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --al-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

.al-body {
  font-family: var(--al-font-body);
  background: var(--al-paper);
  color: var(--al-ink);
  line-height: 1.65;
}

.al-body .site-header {
  background: rgba(26, 35, 50, 0.94);
  border-bottom: 1px solid rgba(247, 244, 239, 0.12);
}
.al-body .site-header .logo-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  overflow: hidden;
  color: transparent !important;
  font-size: 0;
  line-height: 0;
  background: transparent;
  border-radius: 6px;
}
.al-body .site-header .logo-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 6px;
}
.al-body .site-header .logo-text,
.al-body .site-header .nav-link,
.al-body .site-header .btn-search {
  color: var(--al-paper) !important;
}
.al-body .site-header .header-actions {
  flex-shrink: 0;
}
.al-body .site-header .btn-coach-login {
  color: #fff !important;
  background: linear-gradient(135deg, #f0a12a 0%, #e67e22 55%, #d35400 100%) !important;
  white-space: nowrap !important;
  flex-shrink: 0 !important;
}
.al-body .site-header .btn-coach-login span,
.al-body .site-header .btn-coach-login i {
  color: #fff !important;
  white-space: nowrap !important;
}
.al-body .site-header .logo-text {
  text-transform: none;
  letter-spacing: 0.04em;
}
.al-body .site-header .logo-text em,
.al-body .site-header .nav-link:hover,
.al-body .site-header .nav-link.active {
  color: var(--al-gold) !important;
}

.al-body .footer-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: nowrap;
}
.al-body .footer-logo .logo-mark {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  overflow: hidden;
  color: transparent;
  font-size: 0;
  line-height: 0;
  background: transparent;
  border-radius: 6px;
}
.al-body .footer-logo .logo-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 6px;
}
.al-body .footer-logo .logo-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  gap: 4px;
  color: var(--al-paper) !important;
  text-transform: none;
  letter-spacing: 0.04em;
  font-size: 16px;
  line-height: 1.25;
}
.al-body .footer-logo .logo-text em {
  color: var(--al-gold) !important;
  font-size: 12px;
  letter-spacing: 0.12em;
}
.al-body .footer-tagline {
  color: rgba(247, 244, 239, 0.7);
  max-width: 420px;
}
.al-body .footer-hub-nav a {
  color: rgba(247, 244, 239, 0.72);
}
.al-body .footer-hub-nav a:hover {
  color: var(--al-gold);
}
.al-body .footer-divider {
  background: linear-gradient(90deg, transparent, var(--al-gold), transparent);
}

.al-subnav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(26, 35, 50, 0.96);
  backdrop-filter: blur(10px);
}
.al-subnav-inner {
  max-width: var(--al-max);
  margin: 0 auto;
  padding: 0 20px;
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.al-subnav-inner::-webkit-scrollbar { display: none; }
.al-subnav a {
  flex: 0 0 auto;
  color: rgba(247, 244, 239, 0.7);
  text-decoration: none;
  font-size: 13px;
  padding: 14px 10px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.al-subnav a:hover,
.al-subnav a.is-active {
  color: #fff;
  border-bottom-color: var(--al-gold);
}
.al-subnav .al-back {
  margin-left: auto;
  color: var(--al-gold);
}

.al-wrap {
  max-width: var(--al-max);
  margin: 0 auto;
  padding: 0 20px;
}
.al-section {
  padding: 80px 0;
}
.al-section--panel { background: var(--al-paper-2); }
.al-section--dark {
  background: var(--al-ink);
  color: var(--al-paper);
}
.al-section--dark .al-lead { color: rgba(247, 244, 239, 0.7); }

.al-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--al-gold);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.al-eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--al-gold);
}
.al-h2 {
  font-family: var(--al-font-display);
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 14px;
  letter-spacing: 0.02em;
}
.al-lead {
  max-width: 38em;
  color: var(--al-muted);
  margin: 0 0 28px;
  font-size: 1.02rem;
}
.al-slogan {
  font-family: var(--al-font-display);
  color: var(--al-gold);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  letter-spacing: 0.06em;
  margin: 0 0 16px;
}

.al-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  font-size: 14px;
  text-decoration: none;
  border-radius: 2px;
  transition: transform 0.25s var(--al-ease), background 0.2s, color 0.2s;
}
.al-btn:hover { transform: translateY(-1px); }
.al-btn--solid {
  background: var(--al-gold);
  color: #1a150c;
  font-weight: 600;
}
.al-btn--ghost {
  border: 1px solid currentColor;
  color: inherit;
  background: transparent;
}
.al-btn--dark {
  background: var(--al-ink);
  color: var(--al-paper);
}
.al-btn--red {
  background: var(--al-red);
  color: #fff;
  font-weight: 600;
}
.al-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* Hero */
.al-hero {
  position: relative;
  min-height: min(92vh, 860px);
  display: flex;
  align-items: flex-end;
  color: var(--al-paper);
  overflow: hidden;
  background: #121820;
}
.al-hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(18, 24, 32, 0.72) 0%, rgba(18, 24, 32, 0.42) 48%, rgba(18, 24, 32, 0.28) 100%),
    linear-gradient(180deg, rgba(18, 24, 32, 0.28) 0%, rgba(18, 24, 32, 0.45) 42%, rgba(18, 24, 32, 0.92) 100%),
    url("/alumni/assets/hero-home.jpg") center 22% / cover no-repeat;
  transform: scale(1.02);
  animation: al-drift 20s var(--al-ease) infinite alternate;
}
@keyframes al-drift {
  from { transform: scale(1.02); }
  to { transform: scale(1.06) translateY(-1%); }
}
@media (prefers-reduced-motion: reduce) {
  .al-hero-bg { animation: none; }
}
.al-hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--al-max);
  margin: 0 auto;
  padding: 120px 20px 64px;
}
.al-hero-brand {
  font-family: var(--al-font-display);
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.15;
  margin: 0 0 14px;
}
.al-hero-note {
  margin-top: 20px;
  font-size: 13px;
  color: rgba(247, 244, 239, 0.55);
}
.al-hero .al-btn--ghost {
  color: var(--al-paper);
  border-color: rgba(247, 244, 239, 0.45);
}

/* pillars */
.al-pillars {
  display: grid;
  gap: 16px;
}
@media (min-width: 800px) {
  .al-pillars { grid-template-columns: repeat(3, 1fr); }
}
.al-pillar {
  background: var(--al-card);
  border: 1px solid var(--al-line);
  padding: 28px 24px;
  border-top: 3px solid var(--al-gold);
}
.al-pillar h3 {
  font-family: var(--al-font-display);
  font-size: 1.25rem;
  margin: 0 0 12px;
}
.al-pillar p {
  margin: 0;
  color: var(--al-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* activity types */
.al-types {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
@media (min-width: 800px) {
  .al-types { grid-template-columns: repeat(3, 1fr); }
}
.al-type {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--al-card);
  border: 1px solid var(--al-line);
  padding: 20px 18px;
  transition: border-color 0.2s, transform 0.25s var(--al-ease);
}
.al-type:hover {
  border-color: var(--al-gold);
  transform: translateY(-2px);
}
.al-type strong {
  display: block;
  font-family: var(--al-font-display);
  margin-bottom: 6px;
}
.al-type span {
  font-size: 13px;
  color: var(--al-muted);
}

/* empty / soft placeholders */
.al-empty {
  padding: 28px 24px;
  border: 1px dashed var(--al-line);
  background: rgba(255, 255, 255, 0.55);
  color: var(--al-muted);
  font-size: 14px;
  line-height: 1.7;
}
.al-section--dark .al-empty {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(247, 244, 239, 0.18);
  color: rgba(247, 244, 239, 0.65);
}

.al-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.al-tag {
  padding: 8px 14px;
  border: 1px solid var(--al-line);
  background: var(--al-card);
  font-size: 13px;
  color: var(--al-ink-soft);
}

.al-principles {
  display: grid;
  gap: 12px;
}
@media (min-width: 700px) {
  .al-principles { grid-template-columns: repeat(4, 1fr); }
}
.al-principle {
  padding: 20px 16px;
  background: var(--al-card);
  border: 1px solid var(--al-line);
  text-align: center;
  font-family: var(--al-font-display);
  font-size: 1.05rem;
}

.al-steps {
  display: grid;
  gap: 12px;
  counter-reset: alstep;
}
@media (min-width: 800px) {
  .al-steps { grid-template-columns: repeat(5, 1fr); }
}
.al-step {
  background: var(--al-card);
  border: 1px solid var(--al-line);
  padding: 18px 14px;
  counter-increment: alstep;
}
.al-step::before {
  content: "0" counter(alstep);
  display: block;
  color: var(--al-gold);
  font-size: 12px;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}
.al-step strong {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}
.al-step span {
  font-size: 12px;
  color: var(--al-muted);
}

/* FAQ */
.al-faq details {
  border-top: 1px solid var(--al-line);
  padding: 14px 0;
}
.al-faq details:last-child { border-bottom: 1px solid var(--al-line); }
.al-faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.al-faq summary::-webkit-details-marker { display: none; }
.al-faq summary::after {
  content: "+";
  color: var(--al-gold);
  font-weight: 400;
}
.al-faq details[open] summary::after { content: "–"; }
.al-faq p {
  margin: 10px 0 4px;
  color: var(--al-muted);
  font-size: 14px;
  line-height: 1.7;
}

.al-cta-final {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.al-cta-final .al-btn-row { justify-content: center; }

.al-page-hero {
  background: var(--al-ink);
  color: var(--al-paper);
  padding: 72px 0 52px;
}
.al-page-hero h1 {
  font-family: var(--al-font-display);
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  margin: 0 0 12px;
}
.al-breadcrumb {
  font-size: 13px;
  color: rgba(247, 244, 239, 0.55);
  margin-bottom: 16px;
}
.al-breadcrumb a {
  color: rgba(247, 244, 239, 0.75);
  text-decoration: none;
}

.al-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--al-ease), transform 0.7s var(--al-ease);
}
.al-reveal.is-in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .al-reveal { opacity: 1; transform: none; transition: none; }
}

.al-body .site-footer {
  background: #121820;
  color: rgba(247, 244, 239, 0.72);
  border-top: 1px solid rgba(247, 244, 239, 0.1);
}

.al-split {
  display: grid;
  gap: 28px;
}
@media (min-width: 900px) {
  .al-split {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
  }
}
.al-photo {
  min-height: 280px;
  background: #1a2332;
  border: 1px solid var(--al-line);
  overflow: hidden;
}
.al-photo img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  object-position: center 20%;
}
.al-photo-caption {
  margin-top: 10px;
  font-size: 12px;
  color: var(--al-muted);
}

.al-moments {
  display: grid;
  gap: 12px;
}
@media (min-width: 700px) {
  .al-moments {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1000px) {
  .al-moments {
    grid-template-columns: repeat(3, 1fr);
  }
}
.al-moments--dense {
  gap: 10px;
}
@media (min-width: 1000px) {
  .al-moments--dense {
    grid-template-columns: repeat(4, 1fr);
  }
}
/* 手机端：真实瞬间改为横向滑动，避免首图空白与长列表堆叠 */
@media (max-width: 699px) {
  .al-moments--dense {
    display: flex;
    flex-wrap: nowrap;
    gap: 12px;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: 16px;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    padding: 2px 2px 12px;
    margin: 0 -4px;
  }
  .al-moments--dense .al-moment {
    flex: 0 0 78vw;
    max-width: 310px;
    scroll-snap-align: center;
    min-width: 0;
  }
  .al-moments--dense .al-moment:hover {
    transform: none;
  }
  .al-moments--dense .al-moment figure {
    aspect-ratio: 4 / 3;
    background: #e8e2d8;
  }
  .al-moments--dense .al-moment img {
    background: #e8e2d8;
  }
  .al-moments-hint {
    display: block;
    margin: 0 0 12px;
    font-size: 13px;
    color: var(--al-muted);
    letter-spacing: 0.04em;
  }
}
@media (min-width: 700px) {
  .al-moments-hint { display: none; }
}
.al-moment--bare figcaption {
  display: none;
}
.al-moment--bare figure {
  aspect-ratio: 4 / 3;
}
.al-moment {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--al-line);
  background: var(--al-card);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.25s var(--al-ease);
}
.al-moment:hover {
  border-color: var(--al-gold);
  transform: translateY(-2px);
}
.al-moment figure {
  margin: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #1a2332;
}
.al-moment img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.45s var(--al-ease);
}
.al-moment:hover img {
  transform: scale(1.04);
}
.al-moment figcaption {
  padding: 12px 14px 14px;
  font-size: 13px;
  color: var(--al-ink-soft);
  line-height: 1.5;
}
.al-moment strong {
  display: block;
  font-family: var(--al-font-display);
  color: var(--al-ink);
  margin-bottom: 4px;
  font-size: 15px;
}