/* ============================================
   模块详情页专用样式
   ============================================ */

/* 模块 Hero (覆盖 page-hero 加图标 + 双栏) */
.mod-hero {
  position: relative;
  background: var(--grad-hero);
  color: var(--c-text-inverse);
  padding: 180px 0 var(--sp-20);
  overflow: hidden;
}
.mod-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}
.mod-hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.mod-hero-orb.o1 { width: 420px; height: 420px; background: #2563eb; top: -100px; left: -100px; opacity: 0.4; }
.mod-hero-orb.o2 { width: 320px; height: 320px; background: #06b6d4; bottom: -80px; right: 10%; opacity: 0.3; }
.mod-hero-orb.o3 { width: 200px; height: 200px; background: #f59e0b; top: 20%; right: 30%; opacity: 0.18; }

.mod-hero-inner {
  position: relative;
  max-width: var(--w-wide);
  margin: 0 auto;
  padding: 0 var(--sp-6);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-12);
  align-items: center;
}
.mod-crumb {
  display: flex; align-items: center; gap: 8px;
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--sp-5);
}
.mod-crumb a { color: rgba(255,255,255,0.7); }
.mod-crumb a:hover { color: var(--c-accent-400); }
.mod-crumb .sep { opacity: 0.4; }

.mod-hero-icon {
  width: 88px; height: 88px;
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--c-primary-500), var(--c-cyan-500));
  display: grid; place-items: center;
  margin-bottom: var(--sp-5);
  box-shadow: 0 16px 32px -8px rgba(37,99,235,0.5);
}
.mod-hero-icon svg { width: 44px; height: 44px; color: var(--c-white); }

.mod-hero h1 {
  font-size: clamp(40px, 5.2vw, 68px);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: var(--sp-5);
  font-weight: 800;
}
.mod-hero h1 .accent {
  background: var(--grad-warm);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.mod-hero .desc {
  font-size: var(--fs-lg);
  line-height: var(--lh-relaxed);
  color: rgba(255,255,255,0.78);
  max-width: 600px;
  margin-bottom: var(--sp-8);
}
.mod-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: var(--sp-10);
  padding-top: var(--sp-6);
  border-top: 1px solid rgba(255,255,255,0.1);
  max-width: 640px;
}
.mod-hero-stats .v {
  font-size: var(--fs-3xl);
  font-weight: 800;
  font-family: var(--font-mono);
  background: var(--grad-warm);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  letter-spacing: -0.02em;
}
.mod-hero-stats .l { font-size: var(--fs-sm); color: rgba(255,255,255,0.65); margin-top: 4px; }

/* Hero 右侧大装饰 */
.mod-hero-visual {
  width: 360px;
  height: 360px;
  position: relative;
  display: grid;
  place-items: center;
}
.mod-hero-visual::before {
  content: "";
  position: absolute; inset: 0;
  border: 1.5px dashed rgba(255,255,255,0.15);
  border-radius: 50%;
  animation: spin 30s linear infinite;
}
.mod-hero-visual::after {
  content: "";
  position: absolute; inset: 60px;
  border: 1.5px dashed rgba(96,165,250,0.25);
  border-radius: 50%;
  animation: spin 22s linear infinite reverse;
}
@keyframes spin { from { transform: rotate(0); } to { transform: rotate(360deg); } }
.mod-hero-visual .big-letter {
  font-size: 220px;
  font-weight: 900;
  font-family: var(--font-display);
  background: linear-gradient(135deg, rgba(255,255,255,0.35), rgba(96,165,250,0.05));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  position: relative;
  z-index: 1;
  letter-spacing: -0.04em;
}

@media (max-width: 1024px) {
  .mod-hero-inner { grid-template-columns: 1fr; }
  .mod-hero-visual { display: none; }
}

/* 核心能力网格 */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}
.cap-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  transition: all var(--t-base);
  position: relative;
  overflow: hidden;
}
.cap-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: var(--grad-primary);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--t-base);
}
.cap-card:hover {
  border-color: var(--c-primary-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.cap-card:hover::before { transform: scaleY(1); }
.cap-icon {
  width: 52px; height: 52px;
  border-radius: var(--r-md);
  background: var(--c-primary-50);
  color: var(--c-primary-500);
  display: grid; place-items: center;
  margin-bottom: var(--sp-4);
}
.cap-icon svg { width: 26px; height: 26px; }
.cap-card h3 { font-size: var(--fs-md); margin-bottom: var(--sp-2); }
.cap-card p { font-size: var(--fs-sm); color: var(--c-text-secondary); line-height: var(--lh-relaxed); }

@media (max-width: 1024px) { .cap-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .cap-grid { grid-template-columns: 1fr; } }

/* 横向流程图 */
.flow-canvas {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: var(--sp-10) var(--sp-6);
  position: relative;
  overflow-x: auto;
}
.flow-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  align-items: flex-start;
  min-width: 880px;
  position: relative;
}
.flow-line {
  position: absolute;
  top: 38px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg,
    var(--c-primary-300) 0%, var(--c-cyan-400) 25%,
    var(--c-accent-400) 50%, var(--c-cyan-400) 75%,
    var(--c-primary-300) 100%);
  z-index: 0;
}
.flow-step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 var(--sp-3);
}
.flow-dot {
  width: 76px; height: 76px;
  border-radius: 50%;
  background: var(--c-white);
  border: 3px solid var(--c-primary-500);
  display: grid; place-items: center;
  margin-bottom: var(--sp-4);
  transition: all var(--t-base);
  font-family: var(--font-mono);
  font-size: var(--fs-xl);
  font-weight: 800;
  color: var(--c-primary-500);
  box-shadow: var(--shadow-md);
}
.flow-step:hover .flow-dot {
  background: var(--grad-primary);
  color: var(--c-white);
  transform: scale(1.08);
  box-shadow: var(--shadow-lg);
}
.flow-step.is-key .flow-dot {
  background: var(--grad-warm);
  color: var(--c-white);
  border-color: var(--c-accent-500);
}
.flow-tag {
  font-size: var(--fs-xs);
  color: var(--c-text-tertiary);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.flow-step h4 { font-size: var(--fs-base); margin-bottom: var(--sp-2); }
.flow-step p { font-size: var(--fs-xs); color: var(--c-text-secondary); line-height: 1.5; }

/* 界面预览 */
.ui-mockup {
  background: linear-gradient(135deg, #f8fafc, #e2e8f0);
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  box-shadow: var(--shadow-xl);
  position: relative;
}
.ui-mockup::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 38px;
  background: linear-gradient(180deg, #f1f5f9, #e2e8f0);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  border-bottom: 1px solid var(--c-border);
}
.ui-mockup::after {
  content: "●  ●  ●";
  position: absolute;
  top: 14px; left: 18px;
  font-size: 11px;
  letter-spacing: 6px;
  color: #cbd5e1;
}
.ui-mockup-body {
  margin-top: 26px;
  background: var(--c-white);
  border-radius: var(--r-md);
  padding: var(--sp-5);
  min-height: 360px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--sp-5);
  border: 1px solid var(--c-border);
}
.ui-side {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-right: 1px solid var(--c-border);
  padding-right: var(--sp-4);
}
.ui-side-item {
  padding: 8px 12px;
  border-radius: var(--r-sm);
  font-size: var(--fs-xs);
  color: var(--c-text-secondary);
  display: flex; align-items: center; gap: 8px;
}
.ui-side-item.is-active { background: var(--c-primary-50); color: var(--c-primary-600); font-weight: 600; }
.ui-side-item::before {
  content: "";
  width: 14px; height: 14px;
  border-radius: 3px;
  background: currentColor;
  opacity: 0.4;
  flex-shrink: 0;
}
.ui-main { display: flex; flex-direction: column; gap: var(--sp-4); }
.ui-bar {
  display: flex; gap: var(--sp-3);
  margin-bottom: 4px;
}
.ui-bar .search {
  flex: 1;
  height: 32px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  background: var(--c-bg-soft);
  padding: 0 12px;
  display: flex; align-items: center;
  color: var(--c-text-tertiary);
  font-size: var(--fs-xs);
}
.ui-bar .btn-tiny {
  height: 32px;
  padding: 0 14px;
  border-radius: var(--r-sm);
  background: var(--grad-primary);
  color: white;
  font-size: var(--fs-xs);
  font-weight: 600;
  display: grid; place-items: center;
}
.ui-table {
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  overflow: hidden;
}
.ui-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr 80px;
  gap: var(--sp-3);
  padding: 10px var(--sp-4);
  font-size: var(--fs-xs);
  border-bottom: 1px solid var(--c-border);
  align-items: center;
}
.ui-row:last-child { border-bottom: 0; }
.ui-row.head {
  background: var(--c-bg-soft);
  color: var(--c-text-tertiary);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.ui-row .cell { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ui-tag {
  display: inline-block;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: var(--r-full);
  font-weight: 600;
}
.ui-tag.green { background: rgba(16,185,129,0.1); color: var(--c-success); }
.ui-tag.blue { background: var(--c-primary-50); color: var(--c-primary-600); }
.ui-tag.orange { background: rgba(245,158,11,0.1); color: var(--c-accent-600); }
.ui-tag.red { background: rgba(239,68,68,0.1); color: var(--c-danger); }
.ui-tag.gray { background: var(--c-gray-100); color: var(--c-gray-600); }

@media (max-width: 768px) {
  .ui-mockup-body { grid-template-columns: 1fr; }
  .ui-side { border-right: 0; border-bottom: 1px solid var(--c-border); padding-right: 0; padding-bottom: var(--sp-3); }
  .ui-row { grid-template-columns: 1fr 1fr 80px; font-size: 10px; }
  .ui-row .cell:nth-child(4), .ui-row .cell:nth-child(3) { display: none; }
}

/* 业务价值卡 */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
}
.value-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  position: relative;
  overflow: hidden;
  transition: all var(--t-base);
}
.value-card::before {
  content: "";
  position: absolute;
  top: -30px; right: -30px;
  width: 120px; height: 120px;
  border-radius: 50%;
  background: var(--grad-primary);
  opacity: 0.06;
  transition: all var(--t-slow);
}
.value-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.value-card:hover::before { transform: scale(1.5); }
.value-card .big {
  font-size: var(--fs-4xl);
  font-weight: 800;
  font-family: var(--font-mono);
  line-height: 1;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--sp-3);
  letter-spacing: -0.02em;
}
.value-card .big .unit {
  font-size: var(--fs-lg);
  -webkit-text-fill-color: var(--c-accent-500);
  background: none;
  margin-left: 2px;
}
.value-card h4 { font-size: var(--fs-md); margin-bottom: var(--sp-2); position: relative; }
.value-card p { font-size: var(--fs-sm); color: var(--c-text-secondary); line-height: var(--lh-relaxed); position: relative; }

@media (max-width: 1024px) { .value-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .value-grid { grid-template-columns: 1fr; } }

/* 适配版本徽章组 */
.ver-row {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}
.ver-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 10px 18px;
  border-radius: var(--r-md);
  background: var(--c-white);
  border: 1px solid var(--c-border);
  transition: all var(--t-base);
}
.ver-badge:hover { border-color: var(--c-primary-300); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.ver-badge .tag {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: var(--fs-lg);
  letter-spacing: -0.02em;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.ver-badge .name { font-size: var(--fs-sm); color: var(--c-text-secondary); }
.ver-badge.warm .tag { background: var(--grad-warm); -webkit-background-clip: text; background-clip: text; }

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  max-width: 880px;
  margin: 0 auto;
}
.faq-item {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all var(--t-base);
}
.faq-item[open] { border-color: var(--c-primary-300); box-shadow: var(--shadow-sm); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--sp-5) var(--sp-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-4);
  font-size: var(--fs-md);
  font-weight: 600;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--c-primary-50);
  color: var(--c-primary-600);
  font-size: 18px;
  transition: transform var(--t-base);
  flex-shrink: 0;
}
.faq-item[open] summary::after { content: "−"; transform: rotate(180deg); background: var(--c-primary-500); color: white; }
.faq-item .ans {
  padding: 0 var(--sp-6) var(--sp-5);
  color: var(--c-text-secondary);
  font-size: var(--fs-base);
  line-height: var(--lh-relaxed);
}

/* 模块相关推荐 */
.mod-related {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
.mod-related-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  text-align: center;
  transition: all var(--t-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
}
.mod-related-card:hover {
  border-color: var(--c-primary-300);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  color: var(--c-primary-500);
}
.mod-related-card .ic {
  width: 48px; height: 48px;
  border-radius: var(--r-md);
  background: var(--c-primary-50);
  color: var(--c-primary-500);
  display: grid; place-items: center;
}
.mod-related-card .ic svg { width: 24px; height: 24px; }
.mod-related-card h5 { font-size: var(--fs-sm); font-weight: 600; }
.mod-related-card .desc { font-size: var(--fs-xs); color: var(--c-text-tertiary); font-family: var(--font-mono); }

@media (max-width: 768px) { .mod-related { grid-template-columns: repeat(2, 1fr); } }