/* ============================================================
   hhlsq.com — culture.css 文化传媒建站方案页专属样式
   布局指纹：H5 侧栏布局 Hero（左窄藏蓝栏 + 右白内容 + 压缝小图）｜B8证言带｜B9横向画廊｜B4图文交替｜B2卡片墙｜B14表单｜B15 CTA
   签名元素：S2 斜切色带
   ============================================================ */

/* ---------- 1. Hero H5 侧栏布局 ---------- */
.cul-hero{
  background:var(--gray-100);
  padding:clamp(48px,6vw,84px) 0 clamp(70px,8vw,100px);
  position:relative; overflow:hidden;
}
.cul-hero__inner{
  display:grid; grid-template-columns:240px 1fr; gap:0;
  background:#fff; border-radius:var(--radius-lg); box-shadow:var(--shadow-md);
  overflow:visible; position:relative; z-index:1;
}
.cul-hero__side{
  background:var(--navy-900); border-radius:var(--radius-lg) 0 0 var(--radius-lg);
  padding:36px 28px 28px; display:flex; flex-direction:column; gap:22px;
}
.cul-hero__step{ display:flex; align-items:baseline; gap:12px; color:rgba(232,238,245,.85); font-size:14.5px; }
.cul-hero__num{ font-size:22px; font-weight:700; color:var(--gold); letter-spacing:.04em; }
.cul-hero__side-note{ margin-top:auto; font-size:12.5px; color:rgba(232,238,245,.5); letter-spacing:.08em; padding-top:24px; }
.cul-hero__side-contact{ color:var(--gold); font-size:15px; font-weight:600; letter-spacing:.04em; }

.cul-hero__main{ padding:clamp(32px,4vw,52px) clamp(28px,4vw,60px); }
.cul-hero__title{ font-size:clamp(28px,3.8vw,44px); line-height:1.26; margin-bottom:16px; }
.cul-hero__title em{ font-style:normal; color:var(--gold); }
.cul-hero__main .sec-eyebrow{ justify-content:flex-start; }
.cul-hero__lead{ color:var(--gray-600); font-size:16px; max-width:540px; margin-bottom:28px; }
.cul-hero__actions{ display:flex; gap:14px; flex-wrap:wrap; }

.cul-hero__float{
  position:absolute; right:6%; top:-36px; width:280px; z-index:2;
  box-shadow:var(--shadow-lg); border-radius:var(--radius-md); overflow:hidden;
  transform:rotate(2deg);
}
.cul-hero__float img{ width:100%; aspect-ratio:16/10; object-fit:cover; }

/* S2 签名：斜切色带 */
.cul-band{
  position:absolute; left:0; bottom:34px; z-index:3;
  background:var(--gold); color:#fff; padding:8px 42px;
  transform:skewX(-6deg); box-shadow:var(--shadow-sm);
}
.cul-band span{ display:block; transform:skewX(6deg); font-size:12.5px; letter-spacing:.14em; white-space:nowrap; }

/* ---------- 2. B8 证言带 ---------- */
.cul-quote__grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.cul-quote__card{
  background:#fff; border:1px solid var(--gray-200); border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm); padding:30px 26px; position:relative; transition:all .3s ease;
}
.cul-quote__card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.cul-quote__mark{ width:30px; height:30px; fill:var(--gold-soft); stroke:none; margin-bottom:14px; }
.cul-quote__card blockquote{ font-size:14.5px; color:var(--gray-700); line-height:1.8; margin-bottom:18px; }
.cul-quote__card figcaption{ display:flex; }

/* ---------- 3. B9 横向画廊 ---------- */
.cul-gallery{ overflow:hidden; }
.cul-gallery__track{
  display:flex; gap:22px; overflow-x:auto; scroll-snap-type:x mandatory;
  padding:8px 24px 24px;
}
.cul-gallery__item{
  flex:0 0 min(420px,72vw); scroll-snap-align:start;
  border-radius:var(--radius-lg); overflow:hidden; box-shadow:var(--shadow-sm);
  background:#fff; transition:transform .3s ease, box-shadow .3s ease;
}
.cul-gallery__item:hover{ transform:translateY(-5px); box-shadow:var(--shadow-md); }
.cul-gallery__item img{ width:100%; aspect-ratio:16/9; object-fit:cover; }
.cul-gallery__item figcaption{ padding:14px 18px; font-size:14.5px; font-weight:600; color:var(--navy-900); }

/* ---------- 4. B4 图文交替流 ---------- */
.cul-flow__list{ display:flex; flex-direction:column; gap:clamp(40px,5vw,64px); }
.cul-pair{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; }
.cul-pair--reverse .cul-pair__media{ order:2; }
.cul-pair__media img{ width:100%; aspect-ratio:16/9; object-fit:cover; border-radius:var(--radius-lg); box-shadow:var(--shadow-md); }
.cul-pair__num{ font-size:46px; font-weight:700; color:transparent; -webkit-text-stroke:1.5px var(--gold); line-height:1; display:block; margin-bottom:10px; }
.cul-pair__body h3{ font-size:22px; margin-bottom:12px; }
.cul-pair__body p{ color:var(--gray-600); font-size:15px; margin:0; }

/* ---------- 5. B2 错位卡片墙 ---------- */
.cul-cards__grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.cul-card{
  background:#fff; border:1px solid var(--gray-200); border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm); padding:28px 26px; transition:all .3s ease;
}
.cul-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-md); }
.cul-card:nth-child(even){ transform:translateY(18px); }
.cul-card:nth-child(even):hover{ transform:translateY(12px); }
.cul-card svg{ width:32px; height:32px; color:var(--navy-600); stroke-width:1.4; margin-bottom:14px; }
.cul-card:hover svg{ color:var(--gold); }
.cul-card h3{ font-size:17px; margin-bottom:10px; }
.cul-card p{ font-size:14px; color:var(--gray-600); margin:0; line-height:1.75; }

/* ---------- 6. B14 表单预约 ---------- */
.cul-form__split{ display:grid; grid-template-columns:1fr 1.08fr; gap:48px; align-items:center; }
.cul-form__text{ color:var(--gray-600); font-size:15px; margin-bottom:20px; }
.cul-form__text a{ font-weight:600; color:var(--navy-700); }
.cul-form__points li{ display:flex; align-items:baseline; gap:10px; padding:8px 0; font-size:14.5px; color:var(--gray-700); border-bottom:1px dashed var(--gray-300); }
.cul-form__points li::before{ content:""; width:8px; height:8px; border-radius:50%; background:var(--gold); flex-shrink:0; }
.cul-form__points li:last-child{ border-bottom:none; }
.cul-form__related{ margin-top:22px; font-size:13.5px; color:var(--gray-500); }
.cul-form__related a{ color:var(--navy-600); }
.cul-form__related a:hover{ color:var(--gold); }

/* ---------- 7. B15 CTA ---------- */
.cul-cta{ padding-bottom:clamp(70px,8vw,110px); }
.cul-cta .cta-banner{
  background:linear-gradient(135deg,var(--navy-800),var(--navy-700) 55%,var(--navy-600));
  border-radius:28px; padding:clamp(44px,5vw,72px) clamp(24px,4vw,56px);
  text-align:center; position:relative; overflow:hidden; box-shadow:var(--shadow-lg);
}
.cul-cta .cta-banner::before{
  content:""; position:absolute; right:-90px; top:-90px; width:280px; height:280px;
  border-radius:50%; border:1px dashed rgba(255,255,255,.22);
}
.cul-cta .cta-banner::after{
  content:""; position:absolute; left:-60px; bottom:-120px; width:220px; height:220px;
  border-radius:50%; border:1px dashed rgba(176,141,74,.4);
}
.cul-cta .cta-banner__inner{ position:relative; z-index:1; }
.cul-cta .cta-banner__title{ color:#fff; font-size:clamp(22px,3vw,32px); margin-bottom:12px; }
.cul-cta .cta-banner__sub{ color:rgba(232,238,245,.78); font-size:15px; margin-bottom:28px; }
.cul-cta .cta-banner__actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.cul-cta .cta-banner__ghost{ border-color:rgba(255,255,255,.5); color:#fff; }
.cul-cta .cta-banner__ghost:hover{ background:#fff; color:var(--navy-700); }

/* ---------- 响应式 ---------- */
@media (max-width: 992px){
  .cul-hero__inner{ grid-template-columns:1fr; }
  .cul-hero__side{
    flex-direction:row; flex-wrap:wrap; gap:14px 26px;
    border-radius:var(--radius-lg) var(--radius-lg) 0 0; padding:22px 24px;
  }
  .cul-hero__side-note{ padding-top:0; margin:0; }
  .cul-hero__float{ display:none; }
  .cul-band{ position:static; transform:none; margin-top:26px; display:inline-block; padding:8px 22px; }
  .cul-band span{ transform:none; }
  .cul-quote__grid{ grid-template-columns:1fr; max-width:560px; margin:0 auto; }
  .cul-pair{ grid-template-columns:1fr; gap:28px; }
  .cul-pair--reverse .cul-pair__media{ order:0; }
  .cul-cards__grid{ grid-template-columns:repeat(2,1fr); }
  .cul-card:nth-child(even){ transform:none; }
  .cul-card:nth-child(even):hover{ transform:translateY(-6px); }
  .cul-form__split{ grid-template-columns:1fr; }
}
@media (max-width: 640px){
  .cul-hero__side{ flex-direction:column; align-items:flex-start; }
  .cul-cards__grid{ grid-template-columns:1fr; }
  .cul-gallery__item{ flex-basis:84vw; }
  .cul-hero__actions .btn{ width:100%; }
}