/* ===== 品牌详情页公共样式 software-detail.css ===== */

/* Hero */
.sd-hero {
  background: linear-gradient(135deg, #001d6e 0%, #003eb2 50%, #1677ff 100%);
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.sd-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(64,150,255,0.18) 0%, transparent 70%);
}
.sd-hero .container { position: relative; z-index: 2; }
.sd-breadcrumb { font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 20px; }
.sd-breadcrumb a { color: rgba(255,255,255,0.75); text-decoration: none; }
.sd-breadcrumb a:hover { color: #fff; }
.sd-hero-logo {
  display: inline-flex; align-items: center; justify-content: center;
  width: 88px; height: 88px; border-radius: 24px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
  font-size: 2.8rem; margin-bottom: 24px;
  border: 1px solid rgba(255,255,255,0.2);
}
.sd-hero h1 { font-size: 2.8rem; font-weight: 900; color: #fff; margin-bottom: 12px; }
.sd-hero-sub { font-size: 1.1rem; color: rgba(255,255,255,0.75); margin-bottom: 8px; }
.sd-hero-tags { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 28px; }
.sd-hero-tag {
  background: rgba(255,255,255,0.15); color: #fff;
  padding: 5px 16px; border-radius: 20px; font-size: 13px;
  border: 1px solid rgba(255,255,255,0.25);
}

/* 通用区块 */
.sd-section { padding: 72px 0; }
.sd-section-alt { background: #f8faff; }
.sd-section-title {
  font-size: 1.9rem; font-weight: 900; color: #1a1a2e;
  margin-bottom: 12px; text-align: center;
}
.sd-section-sub {
  font-size: 15px; color: #718096; text-align: center;
  margin-bottom: 52px; max-width: 560px; margin-left: auto; margin-right: auto;
}

/* 品牌介绍 */
.sd-intro-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
}
.sd-intro-logo-box {
  background: linear-gradient(135deg, #f0f6ff, #e8f0fe);
  border-radius: 24px; height: 260px;
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; font-weight: 900;
  background-clip: text; position: relative;
}
.sd-logo-big {
  font-size: 3.5rem; font-weight: 900;
  background: linear-gradient(135deg, #1677ff, #0050b3);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; letter-spacing: 3px;
}
.sd-intro-text h3 { font-size: 1.5rem; font-weight: 800; color: #1a1a2e; margin-bottom: 16px; }
.sd-intro-text p { font-size: 15px; color: #4a5568; line-height: 1.9; margin-bottom: 16px; }
.sd-stat-row { display: flex; gap: 28px; margin-top: 24px; flex-wrap: wrap; }
.sd-stat-item { text-align: center; }
.sd-stat-num { font-size: 1.8rem; font-weight: 900; color: #1677ff; }
.sd-stat-label { font-size: 12px; color: #718096; margin-top: 4px; }

/* 功能模块 */
.sd-features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.sd-feature-card {
  background: #fff; border-radius: 18px; padding: 28px 24px;
  border: 1px solid #e2e8f0; transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}
.sd-feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(22,119,255,0.13);
  border-color: rgba(22,119,255,0.25);
}
.sd-feature-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(22,119,255,0.1), rgba(0,80,179,0.08));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin-bottom: 16px;
}
.sd-feature-card h4 { font-size: 1rem; font-weight: 700; color: #1a1a2e; margin-bottom: 8px; }
.sd-feature-card p { font-size: 13px; color: #718096; line-height: 1.7; }

/* 适用场景 */
.sd-scenes-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.sd-scene-card {
  background: #fff; border-radius: 16px; padding: 28px 20px;
  text-align: center; border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
}
.sd-scene-card:hover {
  background: linear-gradient(135deg, #1677ff, #0050b3);
  border-color: #1677ff;
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(22,119,255,0.2);
}
.sd-scene-card:hover .sd-scene-title,
.sd-scene-card:hover .sd-scene-desc { color: #fff; }
.sd-scene-icon { font-size: 2.2rem; margin-bottom: 14px; }
.sd-scene-title { font-size: 1rem; font-weight: 700; color: #1a1a2e; margin-bottom: 8px; }
.sd-scene-desc { font-size: 13px; color: #718096; line-height: 1.6; }

/* 产品优势 */
.sd-advantage-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
.sd-advantage-item {
  display: flex; gap: 20px; align-items: flex-start;
  background: #fff; border-radius: 16px; padding: 24px;
  border: 1px solid #e2e8f0; box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.sd-advantage-num {
  font-size: 2rem; font-weight: 900; color: rgba(22,119,255,0.15);
  flex-shrink: 0; line-height: 1; min-width: 40px;
}
.sd-advantage-item h4 { font-size: 1rem; font-weight: 700; color: #1a1a2e; margin-bottom: 6px; }
.sd-advantage-item p { font-size: 13px; color: #718096; line-height: 1.7; }

/* ===== CTA 联系区（含企业微信二维码） ===== */
.sd-cta {
  background: linear-gradient(135deg, #001d6e, #1677ff);
  padding: 80px 0; text-align: center;
}
.sd-cta h2 { font-size: 2rem; font-weight: 900; color: #fff; margin-bottom: 16px; }
.sd-cta > .container > p {
  font-size: 1.05rem; color: rgba(255,255,255,0.82);
  margin-bottom: 40px; max-width: 560px; margin-left: auto; margin-right: auto;
}
.sd-cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* CTA 底部区域：联系信息 + 二维码横排 */
.sd-cta-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.sd-contact-info {
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: left;
}
.sd-contact-item { color: rgba(255,255,255,0.85); font-size: 14px; }
.sd-contact-item a { color: #fff; font-weight: 600; text-decoration: none; }

/* 企业微信二维码展示块 */
.sd-wxwork-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 16px;
  padding: 18px 20px;
  backdrop-filter: blur(8px);
  transition: transform 0.3s ease, background 0.3s ease;
}
.sd-wxwork-qr:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-3px);
}
.sd-wxwork-qr img {
  width: 110px;
  height: 110px;
  border-radius: 10px;
  display: block;
  background: #fff;
}
.sd-wxwork-qr-label {
  color: rgba(255,255,255,0.9);
  font-size: 13px;
  font-weight: 600;
  text-align: center;
}
.sd-wxwork-qr-sub {
  color: rgba(255,255,255,0.6);
  font-size: 11px;
  text-align: center;
  margin-top: -4px;
}

/* ===== 信息收集弹窗样式 ===== */
.sf-modal-overlay {
  display: none;
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.sf-modal-overlay.sf-modal-open {
  display: flex;
}
.sf-modal {
  background: #fff;
  border-radius: 24px;
  padding: 40px 36px;
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 32px 80px rgba(0,0,0,0.3);
  animation: sfSlideUp 0.3s ease;
}
@keyframes sfSlideUp {
  from { opacity: 0; transform: translateY(30px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.sf-modal-close {
  position: absolute; top: 16px; right: 20px;
  background: none; border: none; font-size: 18px;
  color: #999; cursor: pointer; padding: 4px 8px;
  border-radius: 6px; transition: background 0.2s;
}
.sf-modal-close:hover { background: #f0f0f0; color: #333; }

.sf-modal-header { text-align: center; margin-bottom: 28px; }
.sf-modal-icon { font-size: 2.4rem; margin-bottom: 12px; }
.sf-modal-header h3 {
  font-size: 1.5rem; font-weight: 900; color: #1a1a2e; margin-bottom: 8px;
}
.sf-modal-header p { font-size: 14px; color: #718096; }

.sf-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.sf-form-group { margin-bottom: 18px; }
.sf-form-group label {
  display: block; font-size: 13px; font-weight: 600;
  color: #4a5568; margin-bottom: 6px;
}
.sf-required { color: #e53e3e; }
.sf-form-group input,
.sf-form-group select,
.sf-form-group textarea {
  width: 100%; padding: 11px 14px;
  border: 1.5px solid #e2e8f0; border-radius: 10px;
  font-size: 14px; color: #1a1a2e;
  background: #f8faff;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
  font-family: inherit;
}
.sf-form-group input:focus,
.sf-form-group select:focus,
.sf-form-group textarea:focus {
  outline: none;
  border-color: #1677ff;
  box-shadow: 0 0 0 3px rgba(22,119,255,0.1);
  background: #fff;
}
.sf-form-group textarea { resize: vertical; min-height: 80px; }

.sf-submit-btn {
  width: 100%; padding: 14px;
  background: linear-gradient(135deg, #1677ff, #0050b3);
  color: #fff; border: none; border-radius: 12px;
  font-size: 15px; font-weight: 700; cursor: pointer;
  transition: all 0.3s ease; margin-top: 4px;
}
.sf-submit-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(22,119,255,0.35);
}
.sf-submit-btn:disabled { opacity: 0.7; cursor: not-allowed; }

.sf-privacy { font-size: 12px; color: #a0aec0; text-align: center; margin-top: 10px; }

/* 成功状态 */
.sf-success { text-align: center; padding: 20px 0; }
.sf-success-icon { font-size: 3rem; margin-bottom: 16px; }
.sf-success h4 { font-size: 1.3rem; font-weight: 800; color: #1a1a2e; margin-bottom: 10px; }
.sf-success p { font-size: 14px; color: #718096; line-height: 1.8; margin-bottom: 8px; }
.sf-success a { color: #1677ff; font-weight: 700; }
.sf-close-btn {
  margin-top: 20px; padding: 10px 32px;
  background: linear-gradient(135deg, #1677ff, #0050b3);
  color: #fff; border: none; border-radius: 10px;
  font-size: 14px; font-weight: 600; cursor: pointer;
}

/* 响应式 */
@media (max-width: 900px) {
  .sd-intro-grid { grid-template-columns: 1fr; }
  .sd-intro-logo-box { height: 160px; }
  .sd-features-grid { grid-template-columns: repeat(2, 1fr); }
  .sd-scenes-grid { grid-template-columns: repeat(2, 1fr); }
  .sd-cta-bottom { flex-direction: column; gap: 28px; text-align: center; }
  .sd-contact-info { text-align: center; }
}
@media (max-width: 640px) {
  .sd-hero h1 { font-size: 2rem; }
  .sd-features-grid { grid-template-columns: 1fr; }
  .sd-scenes-grid { grid-template-columns: 1fr; }
  .sd-advantage-grid { grid-template-columns: 1fr; }
  .sf-modal { padding: 28px 20px; }
  .sf-form-row { grid-template-columns: 1fr; }
}