/* ============================================================
   分片D：行业解决方案页（15页）专属样式
   类名前缀：dind-
   风格延续 base.css：保鲜膜极简（透明白 + 浅灰 + 纯白）
   布局池：①左图右文 ②深色hero ③全宽图带 ④居中窄hero
          ⑤斜分hero ⑥玻璃卡hero ⑦图廊hero ⑧双栏hero+步骤条
          ⑨大数字hero ⑩错落双列 ⑪时间轴 ⑫网格+对照
          ⑬留白hero ⑭带状hero ⑮居中hero+组合卡
   ============================================================ */

/* ---------- 通用 ---------- */
.dind-sec { padding: 84px 0; }
.dind-sec.soft { background: var(--bg-soft); }
.dind-lead { font-size: 16.5px; color: var(--ink-2); max-width: 640px; }
.dind-note { font-size: 13.5px; color: var(--ink-3); margin-top: 18px; }

/* hero / CTA 区内的显眼联系方式条 */
.dind-hotline {
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px;
  margin-top: 26px; padding: 16px 22px; border-radius: var(--radius);
  background: var(--bg-faint); border: 1px solid var(--line);
}
.dind-hotline .hl-item { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 600; color: var(--ink); }
.dind-hotline .hl-item svg { color: var(--ink-3); flex: 0 0 auto; }
.dind-hotline .hl-item em { font-style: normal; font-weight: 400; color: var(--ink-3); font-size: 13px; margin-left: 2px; }
.dind-hotline.is-dark { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18); }
.dind-hotline.is-dark .hl-item { color: #fff; }
.dind-hotline.is-dark .hl-item svg { color: rgba(255,255,255,.7); }
.dind-hotline.is-dark .hl-item em { color: rgba(255,255,255,.6); }

/* hero 底部面包屑占位（内页通用） */
.dind-crumbs { padding-top: 18px; }

/* 全站 hero 小标基础样式（各 hero 直接复用，不再内联） */
.dind-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600; letter-spacing: .16em;
  color: var(--ink-3); text-transform: uppercase;
}

/* ============================================================
   ① 左图右文 hero（industry-jixie）
   ============================================================ */
.dind-hero-a { display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 60px; align-items: center; padding: 56px 0 30px; }
.dind-hero-a .dind-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
.dind-hero-a .dind-media img { width: 100%; height: auto; }
.dind-hero-a .dind-hx { font-size: clamp(30px, 4vw, 46px); line-height: 1.25; letter-spacing: .01em; margin: 16px 0 18px; }
.dind-hero-a .dind-kicker { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600; letter-spacing: .16em; color: var(--ink-3); text-transform: uppercase; }
.dind-hero-a .dind-kicker::before { content: ""; width: 26px; height: 2px; background: var(--ink); }
.dind-hero-a .dind-cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

/* 痛点列表 */
.dind-pains { display: grid; gap: 16px; margin-top: 8px; }
.dind-pain {
  display: grid; grid-template-columns: 44px 1fr; gap: 18px; align-items: start;
  padding: 22px 24px; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.dind-pain:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.dind-pain .pnum {
  width: 44px; height: 44px; border-radius: 12px; background: var(--bg-soft);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 17px; color: var(--ink);
}
.dind-pain h3 { font-size: 16.5px; margin-bottom: 6px; }
.dind-pain p { font-size: 14.5px; color: var(--ink-3); }

/* ============================================================
   ② 深色 hero（industry-wujin）
   ============================================================ */
.dind-hero-b { background: var(--ink); color: #fff; padding: 96px 0 90px; position: relative; overflow: hidden; }
.dind-hero-b::after {
  content: ""; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px;
  border-radius: 50%; border: 1px solid rgba(255,255,255,.08);
}
.dind-hero-b::before {
  content: ""; position: absolute; right: -40px; bottom: -160px; width: 300px; height: 300px;
  border-radius: 50%; border: 1px solid rgba(255,255,255,.06);
}
.dind-hero-b .dind-kicker { color: rgba(255,255,255,.55); }
.dind-hero-b .dind-kicker::before { background: rgba(255,255,255,.7); }
.dind-hero-b h1 { font-size: clamp(30px, 4vw, 46px); color: #fff; margin: 16px 0 18px; max-width: 720px; }
.dind-hero-b .dind-lead { color: rgba(255,255,255,.72); }

/* 编号方案（栏目怎么搭，深色页用） */
.dind-nums { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.dind-numcard {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.dind-numcard:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.dind-numcard .no { font-size: 14px; font-weight: 800; letter-spacing: .1em; color: var(--ink-3); }
.dind-numcard h3 { font-size: 18px; margin: 10px 0 8px; }
.dind-numcard p { font-size: 14.5px; color: var(--ink-3); }

/* ============================================================
   ③ 全宽图带 hero（industry-dianzi）
   ============================================================ */
.dind-hero-c { position: relative; min-height: 480px; display: flex; align-items: flex-end; color: #fff; overflow: hidden; }
.dind-hero-c img.dind-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.dind-hero-c::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(15,17,21,.25) 0%, rgba(15,17,21,.55) 55%, rgba(15,17,21,.82) 100%);
}
.dind-hero-c .container { position: relative; z-index: 2; padding: 110px 0 56px; }
.dind-hero-c h1 { color: #fff; font-size: clamp(28px, 3.6vw, 42px); max-width: 640px; margin: 14px 0 16px; }
.dind-hero-c .dind-lead { color: rgba(255,255,255,.82); max-width: 560px; }
.dind-hero-c .dind-kicker { color: rgba(255,255,255,.7); }
.dind-hero-c .dind-kicker::before { background: #fff; }

/* 结构图（栏目树） */
.dind-tree { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.dind-tree .tnode {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 22px; box-shadow: var(--shadow-sm);
}
.dind-tree .tnode .ticon {
  width: 42px; height: 42px; border-radius: 10px; background: var(--bg-soft);
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px; color: var(--ink);
}
.dind-tree .tnode h3 { font-size: 16.5px; margin-bottom: 8px; }
.dind-tree .tnode p { font-size: 14px; color: var(--ink-3); }

/* ============================================================
   ④ 居中窄 hero（industry-huagong）
   ============================================================ */
.dind-hero-d { text-align: center; padding: 84px 0 30px; }
.dind-hero-d .inner { max-width: 720px; margin: 0 auto; }
.dind-hero-d .dind-kicker { justify-content: center; }
.dind-hero-d .dind-kicker::after { content: ""; width: 26px; height: 2px; background: var(--ink); }
.dind-hero-d h1 { font-size: clamp(30px, 4vw, 46px); margin: 16px 0 18px; }
.dind-hero-d .dind-lead { margin: 0 auto; }
.dind-hero-d .dind-cta-row { justify-content: center; }

/* 关键词云 */
.dind-cloud { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.dind-cloud .cword {
  padding: 9px 20px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--white); font-size: 14.5px; color: var(--ink-2);
  transition: all .25s var(--ease);
}
.dind-cloud .cword:hover { border-color: var(--ink); color: var(--ink); box-shadow: var(--shadow-sm); }
.dind-cloud .cword.big { font-size: 17px; font-weight: 700; color: var(--ink); background: var(--bg-faint); }
.dind-cloud .cword.small { font-size: 13px; color: var(--ink-3); }

/* ============================================================
   ⑤ 斜分 hero（industry-shipin）
   ============================================================ */
.dind-hero-e { display: grid; grid-template-columns: 1fr 1fr; min-height: 480px; align-items: stretch; }
.dind-hero-e .dind-media { position: relative; }
.dind-hero-e .dind-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.dind-hero-e .dind-txt { padding: 72px 0 72px 56px; display: flex; flex-direction: column; justify-content: center; }
.dind-hero-e h1 { font-size: clamp(28px, 3.4vw, 42px); margin: 14px 0 16px; }
.dind-hero-e .dind-kicker::before { content: ""; width: 26px; height: 2px; background: var(--ink); display: inline-block; margin-right: 10px; }

/* FAQ（自定义，非 details） */
.dind-faq { display: grid; gap: 14px; }
.dind-faq .qitem {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 26px; box-shadow: var(--shadow-sm);
}
.dind-faq .qitem h3 { font-size: 16.5px; margin-bottom: 10px; display: flex; gap: 10px; align-items: baseline; }
.dind-faq .qitem h3 .qmark { color: var(--ink-3); font-weight: 800; flex: 0 0 auto; }
.dind-faq .qitem p { font-size: 14.5px; color: var(--ink-3); padding-left: 26px; }

/* ============================================================
   ⑥ 玻璃卡 hero（industry-canyin）
   ============================================================ */
.dind-hero-f { position: relative; padding: 120px 0 110px; background: var(--bg-soft); overflow: hidden; }
.dind-hero-f .dind-bgimg { position: absolute; inset: 0; opacity: .5; }
.dind-hero-f .dind-bgimg img { width: 100%; height: 100%; object-fit: cover; }
.dind-hero-f .dind-glass {
  position: relative; z-index: 2; max-width: 760px; margin: 0 auto;
  background: var(--mist-strong); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,.8); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 48px 46px; text-align: center;
}
.dind-hero-f h1 { font-size: clamp(28px, 3.6vw, 42px); margin: 14px 0 16px; }
.dind-hero-f .dind-lead { margin: 0 auto; }
.dind-hero-f .dind-cta-row { justify-content: center; }

/* 转化流程（横向步骤条） */
.dind-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: fl; }
.dind-flow .fstep { position: relative; padding: 26px 22px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.dind-flow .fstep .fno { width: 38px; height: 38px; border-radius: 50%; background: var(--ink); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; margin-bottom: 14px; }
.dind-flow .fstep h3 { font-size: 16px; margin-bottom: 6px; }
.dind-flow .fstep p { font-size: 13.5px; color: var(--ink-3); }

/* ============================================================
   ⑦ 图廊 hero（industry-meizhuang）
   ============================================================ */
.dind-hero-g { display: grid; grid-template-columns: 1.5fr 1fr; gap: 18px; padding: 56px 0 30px; align-items: stretch; }
.dind-hero-g .g-main { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
.dind-hero-g .g-main img { width: 100%; height: 100%; object-fit: cover; }
.dind-hero-g .g-side { display: grid; grid-template-rows: 1fr 1fr; gap: 18px; }
.dind-hero-g .g-side .g-cell { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.dind-hero-g .g-side .g-cell img { width: 100%; height: 100%; object-fit: cover; }
.dind-hero-g .g-txt { grid-column: 1 / -1; padding: 26px 6px 0; }
.dind-hero-g h1 { font-size: clamp(28px, 3.6vw, 42px); margin: 14px 0 16px; }

/* FAQ 列表（⑦ 页竖版带左线） */
.dind-faq-v { display: grid; gap: 0; border-top: 1px solid var(--line); }
.dind-faq-v .qitem { padding: 24px 4px; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 34px 1fr; gap: 14px; }
.dind-faq-v .qmark { font-size: 20px; font-weight: 800; color: var(--ink-3); }
.dind-faq-v h3 { font-size: 16.5px; margin-bottom: 8px; }
.dind-faq-v p { font-size: 14.5px; color: var(--ink-3); }

/* ============================================================
   ⑧ 双栏 hero + 步骤条（industry-fuzhuang）
   ============================================================ */
.dind-hero-h { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 56px; align-items: center; padding: 56px 0 30px; }
.dind-hero-h .dind-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
.dind-hero-h .dind-media img { width: 100%; height: auto; }
.dind-hero-h h1 { font-size: clamp(28px, 3.6vw, 42px); margin: 14px 0 16px; }

/* 步骤条（横向箭头连接） */
.dind-stepbar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); overflow: hidden; box-shadow: var(--shadow-sm); }
.dind-stepbar .sb { padding: 24px 22px; border-right: 1px solid var(--line); position: relative; }
.dind-stepbar .sb:last-child { border-right: none; }
.dind-stepbar .sb .sbno { font-size: 13px; font-weight: 800; color: var(--ink-3); letter-spacing: .1em; }
.dind-stepbar .sb h3 { font-size: 16px; margin: 8px 0 6px; }
.dind-stepbar .sb p { font-size: 13.5px; color: var(--ink-3); }

/* ============================================================
   ⑨ 大数字 hero（industry-jiaju）
   ============================================================ */
.dind-hero-i { padding: 80px 0 20px; }
.dind-hero-i .dind-kicker::before { content: ""; width: 26px; height: 2px; background: var(--ink); display: inline-block; margin-right: 10px; }
.dind-hero-i h1 { font-size: clamp(30px, 4vw, 46px); margin: 16px 0 18px; max-width: 720px; }
.dind-bignums { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 44px; }
.dind-bignum { padding: 28px 24px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.dind-bignum .num { font-size: clamp(38px, 4.4vw, 58px); font-weight: 800; line-height: 1; letter-spacing: -.01em; }
.dind-bignum .num small { font-size: .45em; font-weight: 700; color: var(--ink-3); margin-left: 2px; }
.dind-bignum p { font-size: 13.5px; color: var(--ink-3); margin-top: 12px; }

/* 栏目地图 */
.dind-sitemap { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.dind-sitemap .snode {
  padding: 20px 16px; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius-sm); text-align: center; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), border-color .3s;
}
.dind-sitemap .snode:hover { transform: translateY(-4px); border-color: var(--ink); }
.dind-sitemap .snode .sicon { width: 36px; height: 36px; margin: 0 auto 10px; border-radius: 50%; background: var(--bg-soft); display: flex; align-items: center; justify-content: center; }
.dind-sitemap .snode h3 { font-size: 14.5px; }
.dind-sitemap .snode p { font-size: 12.5px; color: var(--ink-3); margin-top: 4px; }

/* ============================================================
   ⑩ 错落双列 + 场景卡（industry-jiancai）
   ============================================================ */
.dind-hero-j { padding: 72px 0 20px; }
.dind-hero-j h1 { font-size: clamp(30px, 4vw, 46px); margin: 16px 0 18px; max-width: 760px; }
.dind-stagger { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: start; }
.dind-stagger > .dind-srow:nth-child(even) { transform: translateY(44px); }
.dind-scard { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.dind-scard:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.dind-scard .smg img { width: 100%; height: auto; }
.dind-scard .sbd { padding: 24px 26px; }
.dind-scard h3 { font-size: 17px; margin-bottom: 8px; }
.dind-scard p { font-size: 14px; color: var(--ink-3); }

/* ============================================================
   ⑪ 时间轴 hero（industry-qiche）
   ============================================================ */
.dind-hero-k { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; padding: 64px 0 30px; }
.dind-hero-k .dind-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
.dind-hero-k .dind-media img { width: 100%; height: auto; }
.dind-hero-k h1 { font-size: clamp(28px, 3.6vw, 42px); margin: 14px 0 16px; }

/* 纵向时间轴 */
.dind-tl { position: relative; padding-left: 30px; }
.dind-tl::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: var(--line-strong); }
.dind-tl .tl-item { position: relative; padding: 0 0 30px 22px; }
.dind-tl .tl-item:last-child { padding-bottom: 0; }
.dind-tl .tl-item::before {
  content: ""; position: absolute; left: -30px; top: 6px; width: 18px; height: 18px;
  border-radius: 50%; background: var(--white); border: 3px solid var(--ink);
}
.dind-tl .tl-item .tltime { font-size: 13px; font-weight: 700; letter-spacing: .08em; color: var(--ink-3); }
.dind-tl .tl-item h3 { font-size: 16.5px; margin: 6px 0; }
.dind-tl .tl-item p { font-size: 14px; color: var(--ink-3); }

/* ============================================================
   ⑫ 网格 hero + 对照（industry-yiliao）
   ============================================================ */
.dind-hero-l { padding: 72px 0 20px; text-align: center; }
.dind-hero-l .inner { max-width: 760px; margin: 0 auto; }
.dind-hero-l .dind-kicker { justify-content: center; }
.dind-hero-l .dind-kicker::before { content: ""; width: 26px; height: 2px; background: var(--ink); display: inline-block; margin-right: 10px; }
.dind-hero-l .dind-kicker::after { content: ""; width: 26px; height: 2px; background: var(--ink); display: inline-block; margin-left: 10px; }
.dind-hero-l h1 { font-size: clamp(30px, 4vw, 46px); margin: 16px 0 18px; }

/* 改造前后对照 */
.dind-compare { display: grid; grid-template-columns: 1fr auto 1fr; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); background: var(--white); }
.dind-compare .cmp-col { padding: 32px 30px; }
.dind-compare .cmp-bad { background: var(--bg-faint); }
.dind-compare .cmp-good { background: var(--bg-soft); }
.dind-compare .cmp-divider { width: 1px; background: var(--line); position: relative; }
.dind-compare .cmp-divider::after {
  content: "VS"; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 44px; height: 44px; border-radius: 50%; background: var(--ink); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 800;
}
.dind-compare h3 { font-size: 15px; letter-spacing: .08em; margin-bottom: 16px; }
.dind-compare ul li { font-size: 14.5px; color: var(--ink-2); padding: 7px 0 7px 26px; position: relative; }
.dind-compare ul li::before { content: "×"; position: absolute; left: 4px; color: #b98a8a; font-weight: 700; }
.dind-compare .cmp-good ul li::before { content: "✓"; color: #6f9e7a; }

/* ============================================================
   ⑬ 留白 hero + 清单（industry-jiaoyu）
   ============================================================ */
.dind-hero-m { padding: 96px 0 40px; }
.dind-hero-m .inner { max-width: 680px; }
.dind-hero-m h1 { font-size: clamp(32px, 4.2vw, 50px); line-height: 1.25; margin: 18px 0 20px; letter-spacing: .01em; }
.dind-hero-m .dind-lead { font-size: 17.5px; }

/* 清单 */
.dind-checklist { display: grid; gap: 0; }
.dind-checklist li {
  display: flex; gap: 16px; align-items: flex-start; padding: 20px 4px;
  border-bottom: 1px solid var(--line);
}
.dind-checklist .ck {
  flex: 0 0 auto; width: 26px; height: 26px; border-radius: 50%; background: var(--ink);
  color: #fff; display: flex; align-items: center; justify-content: center; margin-top: 3px;
}
.dind-checklist h3 { font-size: 16px; margin-bottom: 4px; }
.dind-checklist p { font-size: 14px; color: var(--ink-3); }

/* ============================================================
   ⑭ 带状 hero + 证言（industry-falv）
   ============================================================ */
.dind-hero-n { background: var(--bg-soft); border-block: 1px solid var(--line); padding: 84px 0; }
.dind-hero-n .dind-row { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 56px; align-items: center; }
.dind-hero-n h1 { font-size: clamp(30px, 4vw, 44px); margin: 16px 0 18px; }
.dind-hero-n .dind-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
.dind-hero-n .dind-media img { width: 100%; height: auto; }

/* 证言卡 */
.dind-quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.dind-quote {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; box-shadow: var(--shadow-sm); position: relative;
}
.dind-quote::before {
  content: "“"; position: absolute; top: 8px; left: 18px; font-size: 52px; line-height: 1;
  color: var(--line-strong); font-family: Georgia, serif;
}
.dind-quote p { font-size: 14.5px; color: var(--ink-2); padding: 18px 0 18px; position: relative; z-index: 1; }
.dind-quote .who { font-size: 13.5px; color: var(--ink-3); }
.dind-quote .who b { color: var(--ink); font-weight: 600; }

/* ============================================================
   ⑮ 居中 hero + 组合卡（industry-caiwu）
   ============================================================ */
.dind-hero-o { text-align: center; padding: 90px 0 40px; }
.dind-hero-o .inner { max-width: 720px; margin: 0 auto; }
.dind-hero-o .dind-kicker { justify-content: center; }
.dind-hero-o .dind-kicker::before { content: ""; width: 26px; height: 2px; background: var(--ink); display: inline-block; margin-right: 10px; }
.dind-hero-o .dind-kicker::after { content: ""; width: 26px; height: 2px; background: var(--ink); display: inline-block; margin-left: 10px; }
.dind-hero-o h1 { font-size: clamp(30px, 4vw, 46px); margin: 16px 0 18px; }
.dind-hero-o .dind-lead { margin: 0 auto; }

/* 组合卡 */
.dind-combo { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.dind-combo .ccard {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .3s;
}
.dind-combo .ccard:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--ink); }
.dind-combo .ccard.featured { background: var(--ink); color: #fff; border-color: var(--ink); }
.dind-combo .ccard.featured h3, .dind-combo .ccard.featured .cprice { color: #fff; }
.dind-combo .ccard.featured ul li { color: rgba(255,255,255,.78); }
.dind-combo .ccard .ctag { font-size: 12px; letter-spacing: .12em; color: var(--ink-3); font-weight: 600; }
.dind-combo .ccard h3 { font-size: 18px; margin: 10px 0 6px; }
.dind-combo .ccard .cprice { font-size: 26px; font-weight: 800; color: var(--ink); margin: 8px 0 16px; }
.dind-combo .ccard .cprice small { font-size: 13px; font-weight: 400; color: var(--ink-3); }
.dind-combo .ccard ul { margin: 8px 0 22px; }
.dind-combo .ccard ul li { font-size: 14px; color: var(--ink-3); padding: 5px 0 5px 22px; position: relative; }
.dind-combo .ccard ul li::before { content: "·"; position: absolute; left: 6px; color: var(--ink); font-weight: 800; }

/* ============================================================
   通用：栏目搭建（4-6卡网格，各页微调间距即可）
   ============================================================ */
.dind-build { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.dind-build .bcard {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.dind-build .bcard:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.dind-build .bcard .bicon {
  width: 46px; height: 46px; border-radius: 12px; background: var(--bg-soft);
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px; color: var(--ink);
}
.dind-build .bcard h3 { font-size: 16.5px; margin-bottom: 8px; }
.dind-build .bcard p { font-size: 14px; color: var(--ink-3); }

/* 转化设计卡（2-3卡） */
.dind-conv { display: grid; gap: 20px; }
.dind-conv.c2 { grid-template-columns: repeat(2, 1fr); }
.dind-conv.c3 { grid-template-columns: repeat(3, 1fr); }
.dind-conv .cvcard {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; box-shadow: var(--shadow-sm);
}
.dind-conv .cvcard .cicon {
  width: 46px; height: 46px; border-radius: 50%; background: var(--ink); color: #fff;
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.dind-conv .cvcard h3 { font-size: 16.5px; margin-bottom: 8px; }
.dind-conv .cvcard p { font-size: 14px; color: var(--ink-3); }

/* SEO chips 区 */
.dind-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.dind-chips .chip { font-size: 13.5px; padding: 8px 16px; background: var(--white); }

/* CTA 大区块 */
.dind-cta {
  background: var(--ink); color: #fff; border-radius: var(--radius);
  padding: 64px 48px; text-align: center; position: relative; overflow: hidden;
}
.dind-cta::before {
  content: ""; position: absolute; right: -80px; top: -80px; width: 280px; height: 280px;
  border-radius: 50%; border: 1px solid rgba(255,255,255,.1);
}
.dind-cta h2 { color: #fff; font-size: clamp(24px, 3vw, 34px); margin-bottom: 12px; }
.dind-cta p { color: rgba(255,255,255,.72); max-width: 560px; margin: 0 auto 10px; }
.dind-cta .dind-hotline { justify-content: center; margin-top: 24px; max-width: 720px; margin-inline: auto; }
.dind-cta .dind-cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 28px; }
/* CTA 深色底上的描边按钮 */
.dind-ghost { background: rgba(255,255,255,.08); color: #fff; border: 1.5px solid rgba(255,255,255,.45); }
.dind-ghost:hover { background: rgba(255,255,255,.16); border-color: #fff; color: #fff; }

/* 通用圆角插图 */
.dind-figure { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
.dind-figure img { width: 100%; height: auto; display: block; }
.dind-figure.mb { margin-bottom: 36px; }
.dind-figure.mt { margin-top: 44px; }

/* ============================================================
   响应式：优先窄屏，min-width 扩展
   ============================================================ */
@media (max-width: 900px) {
  .dind-sec { padding: 60px 0; }
  .dind-hero-a, .dind-hero-h, .dind-hero-k, .dind-hero-e { grid-template-columns: 1fr; gap: 32px; }
  .dind-hero-e .dind-media { min-height: 260px; }
  .dind-hero-e .dind-txt { padding: 40px 0; }
  .dind-hero-g { grid-template-columns: 1fr; }
  .dind-hero-g .g-main { min-height: 240px; }
  .dind-nums, .dind-build, .dind-conv.c2, .dind-conv.c3, .dind-quotes { grid-template-columns: 1fr 1fr; }
  .dind-flow, .dind-stepbar { grid-template-columns: 1fr 1fr; }
  .dind-stepbar .sb:nth-child(2) { border-right: none; }
  .dind-stepbar .sb:nth-child(1), .dind-stepbar .sb:nth-child(2) { border-bottom: 1px solid var(--line); }
  .dind-bignums { grid-template-columns: 1fr 1fr; }
  .dind-sitemap { grid-template-columns: repeat(3, 1fr); }
  .dind-stagger { grid-template-columns: 1fr; }
  .dind-stagger > .dind-srow:nth-child(even) { transform: none; }
  .dind-compare { grid-template-columns: 1fr; }
  .dind-compare .cmp-divider { width: auto; height: 1px; }
  .dind-compare .cmp-divider::after { top: 50%; left: 50%; }
  .dind-hero-n .dind-row { grid-template-columns: 1fr; gap: 32px; }
  .dind-combo { grid-template-columns: 1fr; }
  .dind-tree { grid-template-columns: 1fr 1fr; }
  .dind-hero-f .dind-glass { padding: 36px 26px; }
  .dind-cta { padding: 48px 24px; }
}
@media (max-width: 640px) {
  .dind-nums, .dind-build, .dind-conv.c2, .dind-conv.c3, .dind-quotes,
  .dind-flow, .dind-stepbar, .dind-bignums, .dind-tree { grid-template-columns: 1fr; }
  .dind-stepbar .sb { border-right: none; border-bottom: 1px solid var(--line); }
  .dind-stepbar .sb:last-child { border-bottom: none; }
  .dind-sitemap { grid-template-columns: 1fr 1fr; }
  .dind-pain { grid-template-columns: 1fr; }
  .dind-faq .qitem p { padding-left: 0; }
  .dind-hero-c { min-height: 380px; }
  .dind-hero-c .container { padding: 80px 0 40px; }
}
@media (max-width: 480px) {
  .dind-sitemap { grid-template-columns: 1fr; }
  .dind-hotline { gap: 10px 18px; padding: 14px 16px; }
  .dind-hero-f { padding: 80px 0 70px; }
}
