/* ========================================
   用友 U8+ 详情页专属样式
   布局/动效复刻自参考页，蓝青绿重映射为网站青蓝商务科技风
   仅作用于 u8plus.html，类名加 u8- 前缀避免冲突
   ======================================== */

:root {
  /* 配色：参考页蓝青绿 → 网站青蓝（与 YonSuite/U9/YonBIP 一致） */
  --u8-primary: #15B0ED;          /* 主色青蓝（网站 logo 色） */
  --u8-primary-light: #3ec3f0;
  --u8-primary-dark: #0E8FC0;     /* 主色加深 */
  --u8-accent: #0891b2;           /* 辅助青（原青绿） */
  --u8-accent-light: #06b6d4;

  /* 渐变：青蓝双向（原蓝→青绿） */
  --u8-gradient-1: linear-gradient(135deg, #15B0ED, #0891b2);
  --u8-gradient-2: linear-gradient(135deg, #0E8FC0, #3ec3f0);
  --u8-gradient-3: linear-gradient(135deg, #0891b2, #15B0ED);

  --u8-text-dark: #0F2F3F;        /* 深青蓝标题（与全局一致） */
  --u8-text-mid: #4a4a6a;
  --u8-text-light: #7a7a9a;
  --u8-bg-section: #f5fbfe;       /* 浅青底（原蓝调改青蓝） */
  --u8-bg-card: #ffffff;
  --u8-border: #e2e8f0;           /* 与全局一致 */

  --u8-shadow-sm: 0 2px 8px rgba(21, 176, 237, 0.08);
  --u8-shadow-md: 0 4px 20px rgba(21, 176, 237, 0.12);
  --u8-shadow-lg: 0 8px 40px rgba(21, 176, 237, 0.16);
}

/* ===== 布局 ===== */
.u8-container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.u8-section { padding: 80px 0; position: relative; margin-top: var(--header-height, 76px); }
.u8-section-alt { background: var(--u8-bg-section); padding: 80px 0; position: relative; margin-top: var(--header-height, 76px); }
.u8-section-title {
  font-size: 32px; font-weight: 700; text-align: center; margin-bottom: 12px;
  color: var(--u8-text-dark); position: relative;
}
.u8-section-title::after {
  content: ''; display: block; width: 60px; height: 4px; margin: 16px auto 0;
  background: var(--u8-gradient-1); border-radius: 2px;
}
.u8-section-sub {
  font-size: 16px; color: var(--u8-text-mid); text-align: center; max-width: 700px; margin: 12px auto 0; line-height: 1.8;
}

/* ===== 动效 ===== */
@keyframes u8-fadeUp { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }
@keyframes u8-fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes u8-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes u8-rotateSlow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes u8-glowPulse { 0%, 100% { box-shadow: 0 0 20px rgba(21, 176, 237, 0.2); } 50% { box-shadow: 0 0 40px rgba(21, 176, 237, 0.4); } }

.u8-animate-on-scroll { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.u8-animate-on-scroll.visible { opacity: 1; transform: translateY(0); }
.u8-animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.u8-animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.u8-animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.u8-animate-on-scroll.delay-4 { transition-delay: 0.4s; }
.u8-animate-on-scroll.delay-5 { transition-delay: 0.5s; }
.u8-animate-on-scroll.delay-6 { transition-delay: 0.6s; }
.u8-animate-on-scroll.delay-7 { transition-delay: 0.7s; }

/* ===== HERO ===== */
.u8-hero {
  min-height: calc(100vh - var(--header-height, 76px));
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; padding: 60px 0 70px;
  margin-top: var(--header-height, 76px);
}
.u8-hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(21,176,237,0.07) 0%, transparent 70%),
              radial-gradient(ellipse 60% 40% at 80% 60%, rgba(8,145,178,0.05) 0%, transparent 60%);
}
.u8-hero-grid {
  position: absolute; bottom: -60px; left: 50%; z-index: 0;
  transform: translateX(-50%) perspective(600px) rotateX(62deg);
  width: 200%; height: 720px;
  background-image: linear-gradient(rgba(21, 176, 237, 0.28) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(21, 176, 237, 0.28) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(to top, #000 0%, rgba(0,0,0,0.5) 40%, transparent 85%);
  mask-image: linear-gradient(to top, #000 0%, rgba(0,0,0,0.5) 40%, transparent 85%);
  animation: u8-gridScroll 24s linear infinite;
}
@keyframes u8-gridScroll { to { background-position: 0 56px; } }
.u8-hero-content { position: relative; z-index: 10; text-align: center; max-width: 900px; padding: 0 40px; }
.u8-hero-logo-text { font-size: 14px; font-weight: 600; letter-spacing: 4px; color: var(--u8-primary-dark); margin-bottom: 20px; animation: u8-fadeIn 1s ease; }
.u8-hero-badge {
  display: inline-block; padding: 6px 20px; border-radius: 20px;
  background: var(--u8-gradient-1); color: #fff; font-size: 13px; font-weight: 600;
  margin-bottom: 30px; animation: u8-fadeUp 1s ease 0.2s both;
}
.u8-hero-title {
  font-size: 56px; font-weight: 800; line-height: 1.2; margin-bottom: 24px;
  color: var(--u8-text-dark); animation: u8-fadeUp 1s ease 0.4s both;
}
/* 「用友」红 + 英文产品名深灰，与另三个产品页 hero 一致 */
.u8-hero-red { color: #DC2626; }
.u8-hero-gray { color: #475569; }
.u8-hero-title .u8-highlight {
  background: var(--u8-gradient-1); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.u8-hero-desc { font-size: 20px; color: var(--u8-text-mid); line-height: 1.8; margin-bottom: 40px; animation: u8-fadeUp 1s ease 0.6s both; }
.u8-hero-actions { display: flex; gap: 16px; justify-content: center; animation: u8-fadeUp 1s ease 0.8s both; flex-wrap: wrap; }
.u8-btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 12px; font-size: 16px; font-weight: 600;
  background: var(--u8-gradient-1); color: #fff; border: none; cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s; text-decoration: none;
}
.u8-btn-primary:hover { transform: translateY(-3px); box-shadow: var(--u8-shadow-lg); }
.u8-btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 12px; font-size: 16px; font-weight: 600;
  background: transparent; color: var(--u8-primary-dark); border: 2px solid var(--u8-primary);
  cursor: pointer; transition: all 0.3s; text-decoration: none;
}
.u8-btn-secondary:hover { background: var(--u8-primary); color: #fff; transform: translateY(-3px); }
.u8-hero-stats { display: flex; gap: 60px; justify-content: center; margin-top: 50px; animation: u8-fadeUp 1s ease 1s both; flex-wrap: wrap; }
.u8-hero-stat { text-align: center; }
.u8-hero-stat-num {
  font-size: 36px; font-weight: 800; background: var(--u8-gradient-1);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.u8-hero-stat-label { font-size: 14px; color: var(--u8-text-light); margin-top: 4px; }

/* ===== 产品定位 ===== */
.u8-positioning { position: relative; overflow: hidden; }
.u8-pos-content { max-width: 1100px; margin: 0 auto; text-align: left; }
.u8-pos-text { font-size: 14px; line-height: 1.8; color: var(--u8-text-mid); margin-top: 20px; text-align: left; }
.u8-pos-text strong { color: var(--u8-primary-dark); }
.u8-pos-highlights { display: flex; gap: 24px; margin-top: 40px; flex-wrap: wrap; }
.u8-pos-highlight-item {
  flex: 1; min-width: 180px; padding: 24px; border-radius: 16px;
  background: var(--u8-bg-card); border: 1px solid var(--u8-border);
  box-shadow: var(--u8-shadow-sm); transition: all 0.4s;
  position: relative; overflow: hidden;
}
.u8-pos-highlight-item::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--u8-gradient-1); transform: scaleX(0); transition: transform 0.4s; transform-origin: left;
}
.u8-pos-highlight-item:hover::before { transform: scaleX(1); }
.u8-pos-highlight-item:hover { transform: translateY(-6px); box-shadow: var(--u8-shadow-md); }
.u8-pos-highlight-icon {
  width: 48px; height: 48px; border-radius: 12px; margin-bottom: 12px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(21,176,237,0.08); color: var(--u8-primary-dark); font-size: 24px;
}
.u8-pos-highlight-label { font-size: 15px; font-weight: 600; color: var(--u8-text-dark); }

/* 装饰圆环 */
.u8-deco-circle { position: absolute; border-radius: 50%; border: 1px solid rgba(21,176,237,0.1); animation: u8-float 6s ease-in-out infinite; }
.u8-deco-circle-1 { width: 300px; height: 300px; top: -100px; right: -100px; animation-delay: 0s; }
.u8-deco-circle-2 { width: 200px; height: 200px; bottom: -60px; left: -60px; animation-delay: 2s; }

/* ===== ERP1/2/3 三级方案 ===== */
.u8-erp-plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.u8-erp-plan-card {
  border-radius: 20px; padding: 36px 28px; position: relative; overflow: hidden;
  background: var(--u8-bg-card); border: 1px solid var(--u8-border);
  transition: all 0.5s; cursor: default;
}
.u8-erp-plan-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 120px;
  opacity: 0.06; transition: opacity 0.4s;
}
.u8-erp-plan-card:nth-child(1)::before { background: var(--u8-accent); }
.u8-erp-plan-card:nth-child(2)::before { background: var(--u8-primary); }
.u8-erp-plan-card:nth-child(3)::before { background: var(--u8-primary-dark); }
.u8-erp-plan-card:hover { transform: translateY(-8px); box-shadow: var(--u8-shadow-lg); }
.u8-erp-plan-card:hover::before { opacity: 0.12; }
.u8-erp-plan-level {
  font-size: 13px; font-weight: 700; letter-spacing: 1px; padding: 4px 12px;
  border-radius: 6px; display: inline-block; margin-bottom: 16px;
}
.u8-erp-plan-card:nth-child(1) .u8-erp-plan-level { background: rgba(8,145,178,0.15); color: var(--u8-accent); }
.u8-erp-plan-card:nth-child(2) .u8-erp-plan-level { background: rgba(21,176,237,0.15); color: var(--u8-primary); }
.u8-erp-plan-card:nth-child(3) .u8-erp-plan-level { background: rgba(14,143,192,0.15); color: var(--u8-primary-dark); }
.u8-erp-plan-title { font-size: 22px; font-weight: 700; color: var(--u8-text-dark); margin-bottom: 8px; }
.u8-erp-plan-target { font-size: 13px; color: var(--u8-text-light); margin-bottom: 20px; line-height: 1.6; }
.u8-erp-plan-scope { font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.u8-erp-plan-modules { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.u8-erp-plan-module {
  padding: 4px 10px; font-size: 12px; border-radius: 4px;
  background: rgba(21,176,237,0.06); color: var(--u8-primary-dark); font-weight: 500;
}
.u8-erp-plan-value { font-size: 14px; color: var(--u8-text-mid); line-height: 1.8; padding-top: 16px; border-top: 1px solid var(--u8-border); }

/* ===== 十大业务领域 ===== */
.u8-domains-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.u8-domain-card {
  border-radius: 16px; padding: 28px; background: var(--u8-bg-card);
  border: 1px solid var(--u8-border); position: relative; overflow: hidden;
  transition: all 0.4s; cursor: pointer;
}
.u8-domain-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 4px;
  background: var(--u8-gradient-1); transform: scaleX(0); transition: transform 0.4s; transform-origin: center;
}
.u8-domain-card:hover { transform: translateY(-6px); box-shadow: var(--u8-shadow-md); }
.u8-domain-card:hover::after { transform: scaleX(1); }
.u8-domain-card.active { border-color: var(--u8-primary); box-shadow: var(--u8-shadow-md); }
.u8-domain-card.active::after { transform: scaleX(1); }
.u8-domain-icon {
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; transition: transform 0.3s;
  background: rgba(21,176,237,0.08); color: var(--u8-primary-dark);
}
.u8-domain-card:hover .u8-domain-icon { transform: scale(1.1); }
.u8-domain-name { font-size: 17px; font-weight: 700; color: var(--u8-text-dark); margin-bottom: 8px; }
.u8-domain-brief { font-size: 13px; color: var(--u8-text-light); line-height: 1.6; }

/* 业务领域详情面板 */
.u8-domain-detail {
  margin-top: 30px; padding: 40px; border-radius: 20px;
  background: var(--u8-bg-card); border: 1px solid var(--u8-border);
  box-shadow: var(--u8-shadow-sm); display: none;
  animation: u8-fadeUp 0.5s ease; position: relative;
}
.u8-domain-detail.show { display: block; }
.u8-domain-detail-title { font-size: 24px; font-weight: 700; color: var(--u8-text-dark); margin-bottom: 16px; display: flex; align-items: center; gap: 12px; }
.u8-domain-detail-title .u8-icon-circle {
  width: 40px; height: 40px; border-radius: 10px; display: flex;
  align-items: center; justify-content: center; font-size: 20px;
  background: rgba(21,176,237,0.1); color: var(--u8-primary-dark);
}
.u8-domain-detail-intro { font-size: 14px; color: var(--u8-text-mid); margin-bottom: 20px; }
.u8-domain-detail-items { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.u8-domain-detail-item {
  padding: 16px 20px; border-radius: 12px;
  background: rgba(21,176,237,0.03); border: 1px solid rgba(21,176,237,0.08);
  transition: all 0.3s;
}
.u8-domain-detail-item:hover { background: rgba(21,176,237,0.06); transform: translateX(4px); }
.u8-domain-detail-item-name { font-size: 15px; font-weight: 600; color: var(--u8-primary-dark); margin-bottom: 4px; }
.u8-domain-detail-item-desc { font-size: 13px; color: var(--u8-text-mid); line-height: 1.5; }
.u8-domain-detail-close {
  position: absolute; top: 16px; right: 20px; width: 32px; height: 32px;
  border-radius: 8px; background: rgba(21,176,237,0.06); border: none;
  color: var(--u8-text-light); cursor: pointer; font-size: 18px;
  transition: all 0.3s; display: flex; align-items: center; justify-content: center;
}
.u8-domain-detail-close:hover { background: rgba(21,176,237,0.12); color: var(--u8-primary-dark); }
/* 集团财务配套块 */
.u8-domain-extra {
  margin-top: 24px; padding: 20px; border-radius: 12px;
  background: rgba(8,145,178,0.06); border: 1px solid rgba(8,145,178,0.12);
}
.u8-domain-extra-title { font-size: 15px; font-weight: 700; color: var(--u8-accent); margin-bottom: 12px; }
.u8-domain-extra .u8-domain-detail-item { background: rgba(8,145,178,0.04); border-color: rgba(8,145,178,0.1); }
.u8-domain-extra .u8-domain-detail-item-name { color: var(--u8-accent); }

/* ===== 行业 ===== */
.u8-industries-grid { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 40px; }
.u8-industry-tag {
  padding: 12px 24px; border-radius: 12px; font-size: 15px; font-weight: 500;
  background: var(--u8-bg-card); border: 1px solid var(--u8-border);
  color: var(--u8-text-mid); transition: all 0.4s; cursor: default;
  position: relative; overflow: hidden;
}
.u8-industry-tag::before { content: ''; position: absolute; inset: 0; background: var(--u8-gradient-1); opacity: 0; transition: opacity 0.3s; }
.u8-industry-tag:hover { color: #fff; transform: translateY(-4px); box-shadow: var(--u8-shadow-md); border-color: transparent; }
.u8-industry-tag:hover::before { opacity: 1; }
.u8-industry-tag span { position: relative; z-index: 1; }

/* ===== 核心价值 ===== */
.u8-values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.u8-value-card {
  padding: 32px 24px; border-radius: 20px; background: var(--u8-bg-card);
  border: 1px solid var(--u8-border); text-align: center; position: relative;
  transition: all 0.4s; overflow: hidden;
}
.u8-value-card::before {
  content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: conic-gradient(from 0deg, transparent 0%, rgba(21,176,237,0.04) 25%, transparent 50%);
  animation: u8-rotateSlow 8s linear infinite; opacity: 0; transition: opacity 0.4s;
}
.u8-value-card:hover::before { opacity: 1; }
.u8-value-card:hover { transform: translateY(-8px); box-shadow: var(--u8-shadow-lg); }
.u8-value-icon {
  width: 64px; height: 64px; border-radius: 16px; margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; background: rgba(21,176,237,0.08); color: var(--u8-primary-dark);
  transition: transform 0.3s;
}
.u8-value-card:hover .u8-value-icon { transform: scale(1.15); animation: u8-glowPulse 2s ease infinite; }
.u8-value-title { font-size: 17px; font-weight: 700; color: var(--u8-text-dark); margin-bottom: 10px; position: relative; z-index: 1; }
.u8-value-desc { font-size: 14px; color: var(--u8-text-mid); line-height: 1.7; position: relative; z-index: 1; }

/* ===== 页脚 CTA banner ===== */
.u8-footer-banner {
  padding: 80px 0; text-align: center; position: relative; overflow: hidden;
  background: linear-gradient(135deg, rgba(21,176,237,0.04) 0%, rgba(8,145,178,0.04) 100%);
}
.u8-footer-banner-bg {
  position: absolute; inset: 0; opacity: 0.08;
  background-image: linear-gradient(var(--u8-primary) 1px, transparent 1px),
                    linear-gradient(90deg, var(--u8-primary) 1px, transparent 1px);
  background-size: 40px 40px;
}
.u8-footer-banner-title {
  font-size: 40px; font-weight: 800; margin-bottom: 16px;
  background: var(--u8-gradient-1); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
  position: relative; z-index: 1;
}
.u8-footer-banner-title .u8-hero-red { -webkit-text-fill-color: initial; }
.u8-footer-banner-desc { font-size: 18px; color: var(--u8-text-mid); max-width: 600px; margin: 0 auto 30px; line-height: 1.8; position: relative; z-index: 1; }
.u8-footer-banner-actions { position: relative; z-index: 1; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .u8-erp-plans { grid-template-columns: 1fr; }
  .u8-domains-grid { grid-template-columns: repeat(2, 1fr); }
  .u8-values-grid { grid-template-columns: repeat(2, 1fr); }
  .u8-hero-title { font-size: 36px; }
  .u8-hero-stats { gap: 30px; }
  .u8-pos-highlights { flex-direction: column; }
  .u8-container { padding: 0 20px; }
}
@media (max-width: 600px) {
  .u8-domains-grid { grid-template-columns: 1fr; }
  .u8-values-grid { grid-template-columns: 1fr; }
  .u8-hero-title { font-size: 28px; }
  .u8-hero-stats { flex-direction: column; gap: 20px; }
  .u8-domain-detail-items { grid-template-columns: 1fr; }
  .u8-section, .u8-section-alt { padding: 50px 0; }
  .u8-hero-actions { flex-direction: column; align-items: stretch; }
}