/* =====================================================
   MAIN - 主样式组件
   ===================================================== */

/* ===== 通用卡片 ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  padding: 28px;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
  transition: all .35s cubic-bezier(.2,.7,.3,1);
}
.card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--line-strong), transparent 50%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .35s ease;
}
.card:hover {
  background: var(--bg-card-hi);
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card), 0 0 30px rgba(0, 229, 255, 0.1);
}
.card:hover::after { opacity: 1; }

/* ====================================================
   HERO 大屏
   ==================================================== */
.hero {
  position: relative;
  min-height: calc(100vh - 130px);
  display: flex;
  align-items: center;
  padding: 80px 0 60px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 20% 30%, rgba(0, 229, 255, 0.15), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.12), transparent 55%);
}
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(180deg, black, transparent 80%);
  -webkit-mask-image: linear-gradient(180deg, black, transparent 80%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: rgba(0, 229, 255, 0.06);
  border: 1px solid var(--line);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 24px;
  animation: fadeUp .8s ease both;
}
.hero-tag::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse 1.6s ease-in-out infinite;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
  animation: fadeUp .9s ease .1s both;
}
.hero-title .accent {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 20px rgba(0, 229, 255, 0.4));
}
.hero-title .line2 {
  display: block;
  font-size: 0.7em;
  font-weight: 700;
  background: linear-gradient(120deg, #fff 20%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-top: 8px;
}
.hero-desc {
  font-size: 16px;
  color: var(--text-soft);
  line-height: 1.9;
  margin-bottom: 32px;
  max-width: 540px;
  animation: fadeUp 1s ease .2s both;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeUp 1s ease .3s both;
}
.hero-meta {
  margin-top: 48px;
  display: flex;
  gap: 40px;
  animation: fadeUp 1s ease .4s both;
}
.hero-meta-item .num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}
.hero-meta-item .lbl {
  font-size: 12px;
  color: var(--text-soft);
  margin-top: 6px;
  letter-spacing: 1px;
}

/* Hero 右侧装饰 - 旋转的全息六边形 */
.hero-visual {
  position: relative;
  height: 480px;
  animation: fadeIn 1.2s ease .4s both;
}
.hero-visual .ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid var(--line);
}
.hero-visual .ring.r1 { width: 100%; height: 100%; animation: spin 30s linear infinite; }
.hero-visual .ring.r2 { width: 75%; height: 75%; border-style: dashed; border-color: rgba(0, 229, 255, 0.25); animation: spin 24s linear infinite reverse; }
.hero-visual .ring.r3 { width: 50%; height: 50%; border-color: var(--line-strong); animation: spin 18s linear infinite; }

.hero-visual .core {
  position: absolute;
  top: 50%; left: 50%;
  width: 200px; height: 200px;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.2), transparent 70%);
  filter: drop-shadow(0 0 40px rgba(0, 229, 255, 0.5));
}
.hero-visual .core svg { width: 140px; height: 140px; }
.hero-visual .orbit-dot {
  position: absolute;
  top: 50%; left: 50%;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan);
  transform-origin: 0 0;
}
.hero-visual .orbit-dot.d1 { animation: orbit1 12s linear infinite; }
.hero-visual .orbit-dot.d2 { animation: orbit2 16s linear infinite; background: var(--violet); box-shadow: 0 0 14px var(--violet); }
.hero-visual .orbit-dot.d3 { animation: orbit3 20s linear infinite; background: var(--blue); box-shadow: 0 0 14px var(--blue); }

.hero-visual .badge-tag {
  position: absolute;
  padding: 6px 12px;
  background: rgba(15, 21, 37, 0.85);
  border: 1px solid var(--line);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 1.5px;
  backdrop-filter: blur(6px);
  white-space: nowrap;
}
.hero-visual .badge-tag.t1 { top: 8%; left: 10%; animation: floaty 4s ease-in-out infinite; }
.hero-visual .badge-tag.t2 { top: 22%; right: 4%; animation: floaty 5s ease-in-out infinite .5s; color: var(--violet); border-color: rgba(139, 92, 246, 0.4); }
.hero-visual .badge-tag.t3 { bottom: 18%; left: 0; animation: floaty 6s ease-in-out infinite 1s; color: var(--blue); border-color: rgba(59, 130, 246, 0.4); }
.hero-visual .badge-tag.t4 { bottom: 6%; right: 12%; animation: floaty 4.5s ease-in-out infinite 1.5s; }

@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes orbit1 {
  from { transform: rotate(0deg) translateX(180px) rotate(0deg); }
  to   { transform: rotate(360deg) translateX(180px) rotate(-360deg); }
}
@keyframes orbit2 {
  from { transform: rotate(0deg) translateX(140px) rotate(0deg); }
  to   { transform: rotate(-360deg) translateX(140px) rotate(360deg); }
}
@keyframes orbit3 {
  from { transform: rotate(0deg) translateX(100px) rotate(0deg); }
  to   { transform: rotate(360deg) translateX(100px) rotate(-360deg); }
}
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ===== 业务卡片网格 ===== */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.biz-card {
  position: relative;
  padding: 36px 28px 32px;
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  backdrop-filter: blur(12px);
  overflow: hidden;
  transition: all .35s cubic-bezier(.2,.7,.3,1);
  display: flex;
  flex-direction: column;
  min-height: 320px;
}
.biz-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .5s ease;
}
.biz-card::after {
  content: '';
  position: absolute;
  bottom: -50%; right: -50%;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.15), transparent 70%);
  border-radius: 50%;
  transition: all .5s ease;
  opacity: 0;
}
.biz-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  background: var(--bg-card-hi);
  box-shadow: var(--shadow-card), 0 0 40px rgba(0, 229, 255, 0.15);
}
.biz-card:hover::before { transform: scaleX(1); }
.biz-card:hover::after { opacity: 1; bottom: -30%; right: -30%; }

.biz-icon {
  width: 56px; height: 56px;
  border-radius: var(--r-md);
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
  transition: all .35s ease;
}
.biz-icon svg { width: 28px; height: 28px; color: var(--cyan); }
.biz-card:hover .biz-icon {
  background: var(--grad);
  box-shadow: var(--glow-cyan);
}
.biz-card:hover .biz-icon svg { color: #0A0E1A; }

.biz-num {
  position: absolute;
  top: 24px; right: 24px;
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 900;
  color: rgba(0, 229, 255, 0.08);
  line-height: 1;
  transition: all .35s ease;
}
.biz-card:hover .biz-num { color: rgba(0, 229, 255, 0.18); }

.biz-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
  position: relative;
  z-index: 1;
}
.biz-desc {
  font-size: 13.5px;
  color: var(--text-soft);
  line-height: 1.8;
  margin-bottom: 20px;
  flex: 1;
  position: relative;
  z-index: 1;
}
.biz-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--cyan);
  font-family: var(--font-mono);
  letter-spacing: 1px;
  position: relative;
  z-index: 1;
  transition: all .25s ease;
}
.biz-link svg { transition: transform .25s ease; }
.biz-card:hover .biz-link { gap: 10px; }
.biz-card:hover .biz-link svg { transform: translateX(4px); }

/* ===== 数据统计区 ===== */
.stats {
  background: linear-gradient(180deg, transparent, rgba(0, 229, 255, 0.03), transparent);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item {
  position: relative;
  padding: 16px 0;
}
.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -16px; top: 50%;
  width: 1px; height: 60%;
  background: var(--line-soft);
  transform: translateY(-50%);
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: 10px;
}
.stat-num .suffix {
  font-size: 0.5em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-left: 4px;
}
.stat-label {
  font-size: 13px;
  color: var(--text-soft);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

/* ===== 收米乐滋品牌区 ===== */
.brand-section {
  position: relative;
}
.brand-banner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.08), rgba(139, 92, 246, 0.06));
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  position: relative;
  overflow: hidden;
}
.brand-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at 80% 20%, black, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 80% 20%, black, transparent 70%);
}
.brand-logo-big {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 900;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 30px rgba(0, 229, 255, 0.4));
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.brand-tagline {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 14px;
  letter-spacing: 4px;
  margin-bottom: 24px;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}
.brand-desc {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}

/* 产品矩阵 */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
  transition: all .35s ease;
  cursor: pointer;
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card), 0 0 30px rgba(139, 92, 246, 0.15);
}
.product-cover {
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: var(--r-md);
  margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(139, 92, 246, 0.15));
  border: 1px solid var(--line-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 900;
  color: var(--cyan);
  position: relative;
  overflow: hidden;
}
.product-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
}
.product-cover img {
  position: relative;
  z-index: 1;
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: var(--r-md);
}
.product-cat {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 1.5px;
  padding: 2px 10px;
  border: 1px solid var(--line);
  border-radius: 100px;
  margin-bottom: 10px;
}
.product-name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.product-subtitle {
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.6;
  margin-bottom: 14px;
}
.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.product-features span {
  font-size: 11px;
  color: var(--text-mute);
  padding: 3px 8px;
  background: rgba(0, 229, 255, 0.05);
  border-radius: var(--r-sm);
}

/* ===== 新闻卡片 ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
  backdrop-filter: blur(12px);
  transition: all .35s ease;
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card);
}
.news-cover {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(59, 130, 246, 0.1));
  position: relative;
  overflow: hidden;
}
.news-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.1) 1px, transparent 1px);
  background-size: 30px 30px;
}
.news-cover img {
  position: relative; z-index: 1;
  width: 100%; height: 100%; object-fit: cover;
}
.news-cover-placeholder {
  position: absolute; inset: 0; z-index: 1;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 900;
  color: rgba(0, 229, 255, 0.3);
}
.news-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.news-cat {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--cyan);
  letter-spacing: 1.5px;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  margin-bottom: 12px;
  align-self: flex-start;
}
.news-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-summary {
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-mute);
  font-family: var(--font-mono);
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

/* ===== 表单 ===== */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 40px;
  backdrop-filter: blur(12px);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-soft);
  margin-bottom: 8px;
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}
.form-group label .req { color: var(--cyan); }
.form-control {
  width: 100%;
  padding: 14px 16px;
  background: rgba(10, 14, 26, 0.6);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  transition: all .25s ease;
}
.form-control::placeholder { color: var(--text-mute); }
.form-control:focus {
  outline: none;
  border-color: var(--cyan);
  background: rgba(10, 14, 26, 0.9);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.1);
}
textarea.form-control { resize: vertical; min-height: 120px; }

/* ===== 联系页 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}
.contact-info-list { margin-top: 32px; }
.contact-info-item {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}
.contact-info-item:last-child { border-bottom: none; }
.contact-info-icon {
  width: 48px; height: 48px;
  flex-shrink: 0;
  border-radius: var(--r-md);
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  font-size: 20px;
}
.contact-info-text { flex: 1; }
.contact-info-text .lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.contact-info-text .val {
  font-size: 16px;
  color: var(--text);
  font-weight: 500;
}
.contact-info-text .val a:hover { color: var(--cyan); }

/* ===== 关于我们 - 时间轴 ===== */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text p {
  color: var(--text-soft);
  line-height: 2;
  margin-bottom: 18px;
}
.about-text p strong { color: var(--cyan); font-weight: 600; }
.about-visual {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--r-xl);
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.1), rgba(139, 92, 246, 0.1));
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.about-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
}
.about-visual .seal {
  position: relative;
  width: 60%; aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 900;
  color: var(--cyan);
  text-align: center;
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: 2px;
  filter: drop-shadow(0 0 30px rgba(0, 229, 255, 0.4));
  animation: spin 40s linear infinite;
}
.about-visual .seal::before {
  content: '';
  position: absolute;
  inset: -12px;
  border: 1px dashed rgba(0, 229, 255, 0.3);
  border-radius: 50%;
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 40px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--violet), transparent);
}
.timeline-item {
  position: relative;
  padding-bottom: 40px;
  opacity: 0;
  transform: translateY(20px);
  transition: all .6s ease;
}
.timeline-item.in-view { opacity: 1; transform: translateY(0); }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -39px; top: 4px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--bg-base);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 14px var(--cyan);
}
.timeline-item .year {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 6px;
}
.timeline-item .event-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.timeline-item .event-desc {
  color: var(--text-soft);
  line-height: 1.8;
  font-size: 14px;
}

/* 企业文化卡片 */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.culture-card {
  text-align: center;
  padding: 40px 28px;
}
.culture-card .icon {
  width: 72px; height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.12), rgba(139, 92, 246, 0.12));
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--cyan);
}
.culture-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.culture-card p {
  color: var(--text-soft);
  line-height: 1.9;
  font-size: 14px;
}

/* ===== 业务详情页 ===== */
.biz-detail-hero {
  padding: 60px 0 40px;
  position: relative;
}
.biz-detail-hero .biz-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.biz-detail-tag {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 6px 14px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid var(--line);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.biz-detail-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 18px;
}
.biz-detail-title .accent {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.biz-detail-desc {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 24px;
}
.biz-detail-visual {
  aspect-ratio: 4/3;
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.12), rgba(139, 92, 246, 0.08));
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.biz-detail-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.1) 1px, transparent 1px);
  background-size: 40px 40px;
}
.biz-detail-visual .icon-big {
  position: relative;
  z-index: 1;
  width: 120px; height: 120px;
  color: var(--cyan);
  filter: drop-shadow(0 0 30px rgba(0, 229, 255, 0.6));
}

/* 服务流程 */
.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.process-item {
  position: relative;
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  text-align: center;
}
.process-item .step {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--cyan);
  letter-spacing: 2px;
  margin-bottom: 10px;
}
.process-item h4 {
  font-size: 16px;
  color: var(--text);
  margin-bottom: 8px;
}
.process-item p {
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.7;
}

/* 应用场景标签 */
.scene-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.scene-tags .tag {
  padding: 10px 18px;
  background: rgba(0, 229, 255, 0.06);
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: 13px;
  color: var(--text);
  transition: all .25s ease;
}
.scene-tags .tag:hover {
  border-color: var(--cyan);
  background: rgba(0, 229, 255, 0.12);
  color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

/* 业务导航 tab */
.biz-tabs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}
.biz-tab {
  padding: 10px 22px;
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: 100px;
  font-size: 14px;
  color: var(--text-soft);
  transition: all .25s ease;
}
.biz-tab:hover { color: var(--cyan); border-color: var(--line-strong); }
.biz-tab.active {
  background: var(--grad);
  color: #0A0E1A;
  border-color: transparent;
  font-weight: 600;
  box-shadow: var(--glow-cyan);
}

/* ===== 案例列表 ===== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all .35s ease;
  backdrop-filter: blur(12px);
}
.case-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card);
}
.case-cover {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(139, 92, 246, 0.1));
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: rgba(0, 229, 255, 0.4);
}
.case-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
}
.case-cat {
  position: absolute;
  top: 12px; left: 12px;
  z-index: 2;
  padding: 4px 10px;
  background: rgba(10, 14, 26, 0.85);
  border: 1px solid var(--line);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 1px;
  backdrop-filter: blur(6px);
}
.case-body { padding: 22px; }
.case-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.5;
}
.case-desc {
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.8;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.case-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.case-tags span {
  font-size: 11px;
  padding: 3px 8px;
  background: rgba(0, 229, 255, 0.05);
  color: var(--text-mute);
  border-radius: var(--r-sm);
}

/* ===== 文章详情 ===== */
.article {
  max-width: 820px;
  margin: 0 auto;
}
.article-head {
  text-align: center;
  margin-bottom: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line-soft);
}
.article-cat {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 1.5px;
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 100px;
  margin-bottom: 18px;
}
.article-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 18px;
  line-height: 1.3;
}
.article-meta {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-mute);
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}
.article-body {
  font-size: 16px;
  color: var(--text-soft);
  line-height: 2;
}
.article-body h1, .article-body h2, .article-body h3 {
  color: var(--text);
  font-family: var(--font-display);
  margin: 28px 0 14px;
  letter-spacing: 0.5px;
}
.article-body h1 { font-size: 26px; }
.article-body h2 { font-size: 22px; color: var(--cyan); }
.article-body h3 { font-size: 18px; }
.article-body p { margin-bottom: 18px; }
.article-body code {
  background: rgba(0, 229, 255, 0.1);
  color: var(--cyan);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.9em;
}
.article-body strong { color: var(--text); }

.article-footer {
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

/* ===== 分页 ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 50px;
}
.pagination a, .pagination span {
  min-width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  background: var(--bg-card);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  color: var(--text-soft);
  font-size: 13px;
  font-family: var(--font-mono);
  transition: all .25s ease;
}
.pagination a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}
.pagination .current {
  background: var(--grad);
  color: #0A0E1A;
  border-color: transparent;
  font-weight: 700;
}

/* ===== 提示信息 ===== */
.toast {
  position: fixed;
  bottom: 32px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: 14px 24px;
  background: rgba(10, 14, 26, 0.95);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  color: var(--text);
  font-size: 14px;
  backdrop-filter: blur(12px);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: all .35s cubic-bezier(.2,.7,.3,1);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-card);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { border-color: var(--cyan); }
.toast.success::before { content: '✓'; color: var(--cyan); font-weight: bold; }
.toast.error { border-color: #ef4444; }
.toast.error::before { content: '✕'; color: #ef4444; font-weight: bold; }

/* ===== 页面 banner (内页) ===== */
.page-banner {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(ellipse at center top, rgba(0, 229, 255, 0.08), transparent 60%);
}
.page-banner-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 229, 255, 0.06);
  border: 1px solid var(--line);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.page-banner h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  background: linear-gradient(120deg, #fff 30%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.page-banner p {
  color: var(--text-soft);
  font-size: 15px;
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-mute);
}
.empty-state .icon {
  font-size: 64px;
  margin-bottom: 18px;
  opacity: 0.4;
}