/* =========================================================
   慧途文旅 · 页面布局样式 (Layout)
   依赖 design-system.css
   ========================================================= */

/* ---------- HERO（首页首屏，深藏蓝暗场·不对称分屏） ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  background:
    radial-gradient(120% 80% at 80% 0%, rgba(200,163,90,0.18), transparent 55%),
    linear-gradient(160deg, #16304d 0%, #122A44 45%, #0d2036 100%);
  color: var(--c-on-dark);
  display: flex; align-items: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}
.hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__bg svg { width: 100%; height: 100%; }
.hero__inner {
  position: relative; z-index: 2; width: 100%; max-width: var(--container);
  margin: 0 auto; padding: var(--s9) var(--s5) var(--s8);
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--s8); align-items: center;
}
.hero .eyebrow { color: var(--c-gold); }
.hero .eyebrow::before { background: var(--c-gold); }
.hero h1 { color: #fff; font-size: var(--fs-hero); line-height: 1.08; margin-bottom: var(--s5); }
.hero h1 .accent { color: var(--c-gold); }
.hero__lead { color: var(--c-on-dark-mut); font-size: 1.2rem; line-height: 1.7; max-width: 52ch; margin-bottom: var(--s6); }
.hero__actions { display: flex; gap: var(--s4); flex-wrap: wrap; }
.hero__scroll {
  position: absolute; bottom: var(--s5); left: 50%; transform: translateX(-50%); z-index: 2;
  font-size: 0.8rem; letter-spacing: .2em; color: var(--c-on-dark-mut); text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; gap: var(--s2);
}
.hero__scroll::after { content: ""; width: 1px; height: 36px; background: linear-gradient(var(--c-gold), transparent); animation: scrollPulse 2s ease-in-out infinite; }
@keyframes scrollPulse { 0%,100% { opacity: .3; } 50% { opacity: 1; } }

/* hero 右侧悬浮卡（甄选标准预告） */
.hero__panel {
  background: rgba(247,244,237,0.06);
  border: 1px solid rgba(247,244,237,0.14);
  border-radius: var(--r-xl);
  padding: var(--s6);
  backdrop-filter: blur(8px);
  box-shadow: var(--sh-lg);
}
.hero__panel h3 { color: #fff; font-size: 1.25rem; margin-bottom: var(--s4); }
.hero__panel ul { display: grid; gap: var(--s3); }
.hero__panel li { display: flex; gap: var(--s3); align-items: center; color: var(--c-on-dark-mut); font-size: 0.95rem; }
.hero__panel li svg { width: 20px; height: 20px; color: var(--c-gold); flex-shrink: 0; }

/* ---------- 图片/视觉占位框（无外部图，用 SVG 渐变占位） ---------- */
.media-frame {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  background: linear-gradient(135deg, var(--c-blue), var(--c-blue-deep));
  box-shadow: var(--sh-md); min-height: 280px;
}
.media-frame::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 75% 25%, rgba(200,163,90,0.3), transparent 50%),
              radial-gradient(circle at 15% 85%, rgba(178,58,46,0.22), transparent 55%);
}
.media-frame--portrait { min-height: 360px; }
.media-frame__label {
  position: absolute; bottom: var(--s4); left: var(--s4); z-index: 2;
  color: rgba(247,244,237,0.85); font-size: 0.85rem; letter-spacing: .08em;
}

/* ---------- 两栏图文（关于页等） ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s8); align-items: center; }
.split--reverse .split__media { order: 2; }

/* ---------- LOGO 墙（联盟资源预览） ---------- */
.logo-wall { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--s5); align-items: center; }
.logo-chip {
  display: grid; place-items: center; padding: var(--s5);
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-md);
  font-family: var(--font-serif); font-size: 1.1rem; color: var(--c-blue);
  transition: transform .3s var(--ease-out), box-shadow .3s; opacity: 0;
}
.logo-chip:hover { transform: translateY(-4px); box-shadow: var(--sh-md); }

/* ---------- 创始人背书 ---------- */
.founder { display: grid; grid-template-columns: 280px 1fr; gap: var(--s7); align-items: center; }
.founder__quote { font-family: var(--font-serif); font-size: 1.5rem; line-height: 1.6; color: var(--c-blue-deep); }
.founder__quote::before { content: "“"; color: var(--c-gold); font-size: 3rem; line-height: 0; vertical-align: -0.4em; margin-right: 4px; }
.founder__name { margin-top: var(--s4); font-weight: 600; color: var(--c-blue-deep); }
.founder__role { font-size: var(--fs-small); color: var(--c-muted); }

/* ---------- CTA 区 ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--c-red), var(--c-red-deep));
  border-radius: var(--r-xl); padding: var(--s8) var(--s7);
  text-align: center; color: #fff; box-shadow: var(--sh-lg);
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(200,163,90,0.3), transparent 45%);
}
.cta-band h2 { color: #fff; margin-bottom: var(--s3); position: relative; }
.cta-band p { color: rgba(255,255,255,0.9); max-width: 56ch; margin-inline: auto; margin-bottom: var(--s5); position: relative; }

/* ---------- 联盟资源 tab ---------- */
.tabs { display: flex; gap: var(--s3); margin-bottom: var(--s6); border-bottom: 1px solid var(--c-line); }
.tab {
  padding: var(--s3) var(--s5); background: none; border: 0; font-size: 1.05rem; font-weight: 600;
  color: var(--c-muted); border-bottom: 2px solid transparent; transition: color .2s, border-color .2s;
}
.tab.is-active { color: var(--c-blue); border-bottom-color: var(--c-gold); }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; animation: fadeUp .5s var(--ease-out); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* ---------- 资源网格 ---------- */
.resource-grid { display: grid; gap: var(--s5); grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

/* ---------- 装饰：藏式回纹分隔 ---------- */
.ornament { display: flex; align-items: center; gap: var(--s4); justify-content: center; margin: var(--s6) 0; }
.ornament::before, .ornament::after { content: ""; height: 1px; width: 80px; background: linear-gradient(90deg, transparent, var(--c-gold)); }
.ornament span { color: var(--c-gold); font-size: 1.2rem; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; gap: var(--s7); }
  .hero__panel { order: 2; }
  .split, .split--reverse { grid-template-columns: 1fr; gap: var(--s6); }
  .split--reverse .split__media { order: 0; }
  .founder { grid-template-columns: 1fr; gap: var(--s5); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__toggle { display: block; }
  .nav__links.is-open {
    display: flex; flex-direction: column; position: absolute; top: var(--nav-h); left: 0; right: 0;
    background: var(--c-bg); padding: var(--s5); gap: var(--s4); border-bottom: 1px solid var(--c-line);
    align-items: flex-start;
  }
  .section { padding-block: var(--s8); }
  .hero { min-height: auto; }
  .footer__grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { width: 100%; }
}