/* ============================================================
   GradX 官网 — 子页共用样式(产品/解决方案/技术/案例/关于)
   ============================================================ */

.section { padding: 72px 0; }
.section--alt { background: linear-gradient(180deg, #f4f8ff 0%, #fbfdff 100%); }

.sec-head { display: flex; align-items: center; gap: 14px; }
.sec-head h2 { font-size: 30px; }
.badge--eng {
  background: transparent;
  border: 1px solid rgba(43, 92, 255, 0.35);
  font-size: 11px;
  letter-spacing: 0.14em;
  padding: 4px 12px;
}
.sec-sub { font-size: 17px; margin: 12px 0 8px; }
.sec-desc { font-size: 14.5px; color: var(--c-text); max-width: 760px; }

/* ---------- 渐变图标(与首页产品卡一致) ---------- */
.p-ic {
  width: 46px; height: 46px;
  border-radius: 13px;
  display: grid; place-items: center;
  color: #fff;
  box-shadow: 0 8px 18px rgba(43, 92, 255, 0.28);
}
.p-ic svg { width: 23px; height: 23px; }
.ic-blue { background: linear-gradient(135deg, #3b6bff, #2b4fe0); }
.ic-indigo { background: linear-gradient(135deg, #4f6bff, #3b3fe0); }
.ic-sky { background: linear-gradient(135deg, #38a7ff, #2470f0); }
.ic-purple { background: linear-gradient(135deg, #8b5cf6, #6d3fe0); }
.ic-blueviolet { background: linear-gradient(135deg, #6366f1, #4437d8); }
.ic-violet { background: linear-gradient(135deg, #a855f7, #7c3aed); }

.p-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.p-tags li {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--c-bg-soft);
  color: #5b74c9;
  border: 1px solid rgba(43, 92, 255, 0.14);
}
.grad-text {
  color: transparent;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
}

/* ---------- 产品卡 ---------- */
.prod-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 36px; }
.prod-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 26px 26px 22px;
  box-shadow: 0 4px 18px rgba(24, 48, 120, 0.05);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
.prod-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-card); border-color: rgba(43, 92, 255, 0.35); }
.prod-head { display: flex; gap: 14px; align-items: center; margin-bottom: 12px; }
.prod-head h3 { font-size: 19px; }
.prod-head .p-sub { font-size: 13px; color: var(--c-primary); font-weight: 600; margin-top: 2px; }
.p-desc { font-size: 13.5px; color: var(--c-text-light); line-height: 1.7; }

.feat-list { display: grid; grid-template-columns: 1fr 1fr; gap: 9px 18px; margin: 15px 0 18px; }
.feat-list li { display: flex; gap: 8px; font-size: 13px; color: var(--c-text); align-items: flex-start; line-height: 1.55; }
.feat-list .dot {
  width: 17px; height: 17px;
  flex: none; margin-top: 2px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--c-bg-soft);
  color: var(--c-primary);
}
.feat-list .dot svg { width: 9px; height: 9px; }

/* ---------- 价值条 / 统计条 ---------- */
.value-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.value-item {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.value-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.value-item .p-ic { width: 42px; height: 42px; border-radius: 12px; margin-bottom: 12px; }
.value-item .p-ic svg { width: 20px; height: 20px; }
.value-item h4 { font-size: 15.5px; margin-bottom: 6px; }
.value-item p { font-size: 13px; color: var(--c-text-light); line-height: 1.65; }

.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; text-align: center; }
.stat-strip b { display: block; font-size: 36px; font-weight: 800; letter-spacing: 0.01em; }
.stat-strip span { font-size: 13px; color: var(--c-text-light); }

/* ---------- Agent 方案卡 ---------- */
.agent-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 36px; }
.agent-card-lg {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 26px 26px 24px;
  box-shadow: 0 4px 18px rgba(24, 48, 120, 0.05);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
.agent-card-lg::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--grad-main);
}
.agent-card-lg:hover { transform: translateY(-5px); box-shadow: var(--shadow-card); border-color: rgba(43, 92, 255, 0.35); }
.caps-list { display: grid; gap: 9px; margin-top: 14px; }
.caps-list li { display: flex; gap: 9px; font-size: 13.5px; color: var(--c-text); align-items: flex-start; line-height: 1.55; }

/* ---------- 勾选点 ---------- */
.chk-s {
  width: 20px; height: 20px;
  flex: none;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--c-bg-soft);
  color: var(--c-primary);
}
.chk-s svg { width: 10px; height: 10px; }

/* ---------- 步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 36px; }
.step {
  position: relative;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.step:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.step .num {
  font-size: 28px;
  font-weight: 800;
  font-style: italic;
  color: transparent;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
}
.step h4 { font-size: 15.5px; margin: 10px 0 6px; }
.step p { font-size: 13px; color: var(--c-text-light); line-height: 1.65; }

/* ---------- 检查清单网格 ---------- */
.check-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px 24px; margin-top: 28px; }
.check-grid li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--c-ink-soft); font-weight: 500; }

/* ---------- 案例卡 ---------- */
.case-lg {
  display: grid;
  grid-template-columns: 300px 1fr;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(24, 48, 120, 0.05);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}
.case-lg + .case-lg { margin-top: 22px; }
.case-lg:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.case-pic { display: block; min-height: 210px; height: 100%; }
.case-pic svg { width: 100%; height: 100%; }
.case-body-lg { padding: 26px 28px 22px; }
.case-body-lg h3 { font-size: 19px; margin-bottom: 10px; }
.case-stats {
  display: flex;
  gap: 34px;
  flex-wrap: wrap;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--c-line);
}
.case-stats b { display: block; font-size: 21px; font-weight: 800; }
.case-stats span { font-size: 12px; color: var(--c-text-light); }

/* ---------- 技术栈网格(与首页一致) ---------- */
.tech-label { font-size: 13px; color: var(--c-text-light); margin: 26px 0 12px; }
.tech-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 12px;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 22px 18px;
  box-shadow: 0 4px 18px rgba(24, 48, 120, 0.05);
}
.tech { display: flex; flex-direction: column; align-items: center; gap: 7px; padding: 8px 4px; border-radius: 12px; transition: background 0.2s ease, transform 0.2s ease; }
.tech:hover { background: var(--c-bg-soft); transform: translateY(-3px); }
.tech i { font-style: normal; font-size: 11.5px; color: var(--c-ink-soft); }
.t-ic { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 10px; background: var(--c-bg-softer); border: 1px solid var(--c-line); font-weight: 800; font-size: 12px; }
.t-ic svg { width: 25px; height: 25px; }
.t-ic.go { color: #00add8; font-style: italic; }
.t-ic.php { color: #777bb3; font-style: italic; font-size: 11px; }
.t-ic.ts { background: #3178c6; color: #fff; border: none; }

/* ---------- 价值观 / 联系 ---------- */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 36px; }
.value-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  box-shadow: 0 4px 18px rgba(24, 48, 120, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.value-card .vk {
  width: 44px; height: 44px;
  border-radius: 13px;
  display: grid; place-items: center;
  background: var(--grad-main);
  color: #fff;
  margin-bottom: 16px;
}
.value-card .vk svg { width: 21px; height: 21px; }
.value-card h3 { font-size: 16.5px; margin-bottom: 8px; }
.value-card p { font-size: 13.5px; color: var(--c-text-light); line-height: 1.75; }

.about-copy p { font-size: 15px; color: var(--c-text); line-height: 1.9; max-width: 860px; }
.about-copy p + p { margin-top: 14px; }

.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 36px; }
.contact-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  box-shadow: 0 4px 18px rgba(24, 48, 120, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.contact-card .p-ic { margin: 0 auto 14px; }
.contact-card h4 { font-size: 15.5px; margin-bottom: 8px; }
.contact-card p { font-size: 13.5px; color: var(--c-text); line-height: 1.7; }
.contact-card b { color: var(--c-primary); }
.contact-card .qr {
  display: block;
  width: 156px;
  height: 156px;
  margin: 2px auto 16px;
  border-radius: 14px;
  box-shadow: 0 10px 24px rgba(24, 48, 120, 0.14);
}

/* ---------- CTA 面板(子页底部) ---------- */
.cta-wrap { padding: 10px 0 84px; }
.cta-panel {
  position: relative;
  overflow: hidden;
  border-radius: 26px;
  background: linear-gradient(180deg, #0d1b4d 0%, #101d5e 55%, #0a1440 100%);
  color: #fff;
  padding: 52px 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  box-shadow: 0 24px 60px rgba(10, 20, 64, 0.35);
}
.cta-panel::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 46%;
  background:
    linear-gradient(160deg, transparent 40%, rgba(43, 92, 255, 0.28) 40.2%, rgba(43, 92, 255, 0.28) 60%, transparent 60.2%),
    linear-gradient(200deg, transparent 55%, rgba(123, 63, 228, 0.22) 55.2%, rgba(123, 63, 228, 0.22) 78%, transparent 78.2%);
  pointer-events: none;
}
.cta-panel h2 { position: relative; font-size: 25px; margin-bottom: 10px; }
.cta-panel p { position: relative; color: #b9c4ee; font-size: 14.5px; }
.cta-panel .btn { position: relative; }
.cta-panel .star { position: absolute; width: 3px; height: 3px; border-radius: 50%; background: #cfe0ff; opacity: 0.8; animation: twinkle 3.4s ease-in-out infinite; }
.cta-panel .star.s1 { top: 20%; left: 8%; }
.cta-panel .star.s2 { top: 14%; left: 30%; animation-delay: -1s; }
.cta-panel .star.s3 { top: 26%; left: 56%; animation-delay: -2s; }
.cta-panel .star.s4 { top: 16%; left: 78%; animation-delay: -0.6s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .value-strip, .steps, .stat-strip, .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .check-grid { grid-template-columns: 1fr 1fr; }
  .tech-grid { grid-template-columns: repeat(5, 1fr); }
}
@media (max-width: 760px) {
  .prod-grid, .agent-grid, .value-grid, .case-lg { grid-template-columns: 1fr; }
  .feat-list { grid-template-columns: 1fr; }
  .case-pic { min-height: 160px; }
  .value-strip, .steps, .stat-strip, .contact-grid, .check-grid { grid-template-columns: 1fr; }
}