/* ============================================
   关于我们
   ============================================ */
.about-intro { padding: 86px 0; background: var(--c-white); }
.about-page .intro-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 70px; align-items: center; }
.intro-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.1);
}
.intro-text .en {
  display: block;
  font-family: var(--f-display);
  font-size: 13px; letter-spacing: 4px; text-transform: uppercase;
  color: var(--c-primary); margin-bottom: 16px;
}
.intro-text h2 { font-size: 36px; color: var(--c-black); line-height: 1.4; margin-bottom: 24px; }
.intro-text p { font-size: 15px; color: var(--c-gray-2); line-height: 2; margin-bottom: 16px; }
.intro-values { display: flex; gap: 20px; margin-top: 30px; }
.intro-values li {
  flex: 1;
  background: var(--c-bg);
  border-radius: 10px;
  padding: 20px 18px;
  border-top: 3px solid var(--c-primary);
  transition: transform 0.35s var(--ease-out);
}
.intro-values li:hover { transform: translateY(-6px); }
.intro-values strong { display: block; font-size: 16px; color: var(--c-black); margin-bottom: 8px; }
.intro-values span { font-size: 12px; color: var(--c-gray-3); line-height: 1.6; display: block; }

.about-process { padding: 76px 0; background: var(--c-bg); overflow: hidden; }
.process-stepper {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-top: 80px;
}
.process-stepper::before {
  content: '';
  position: absolute;
  left: 10%; right: 10%;
  top: 32px;
  height: 2px;
  background: linear-gradient(to right, transparent, rgba(43,127,255,0.3) 12%, rgba(43,127,255,0.3) 88%, transparent);
}
.step {
  position: relative;
  text-align: center;
  padding: 0 6px;
  z-index: 1;
}
.step-icon {
  position: relative;
  display: grid; place-items: center;
  width: 64px; height: 64px;
  margin: 0 auto 22px;
  font-size: 26px;
  background: #fff;
  border: 2px solid rgba(43,127,255,0.25);
  border-radius: 50%;
  box-shadow: 0 6px 20px rgba(43,127,255,0.1);
  transition: all 0.4s var(--ease-out);
  z-index: 2;
}
.step:hover .step-icon {
  background: var(--c-primary);
  border-color: var(--c-primary);
  transform: translateY(-6px) scale(1.06);
  box-shadow: 0 14px 30px rgba(43,127,255,0.32);
}
.step-num {
  display: block;
  font-family: var(--f-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--c-primary);
  margin-bottom: 8px;
}
.step h3 { font-size: 17px; color: var(--c-black); margin-bottom: 10px; }
.step p { font-size: 13px; color: var(--c-gray-3); line-height: 1.7; }

.about-timeline { padding: 86px 0; background: var(--c-white); }
.timeline { position: relative; max-width: 900px; margin: 50px auto 0; }
.timeline::before {
  content: ''; position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 2px; background: var(--c-line);
  transform: translateX(-50%);
}
.tl-item { position: relative; width: 50%; padding: 0 50px 50px 0; }
.tl-item.right { margin-left: 50%; padding: 0 0 50px 50px; }
.tl-dot {
  position: absolute;
  right: -8px; top: 8px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--c-primary);
  border: 3px solid var(--c-white);
  z-index: 1;
}
.tl-item.right .tl-dot { left: -8px; right: auto; }
.tl-card {
  background: var(--c-bg);
  border-radius: 12px;
  padding: 26px 28px;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s;
}
.tl-card:hover { transform: translateY(-5px); box-shadow: 0 16px 40px rgba(0,0,0,0.08); }
.tl-phase {
  display: inline-block;
  font-family: var(--f-display);
  font-size: 12px; font-weight: 700;
  color: var(--c-primary);
  background: rgba(43,127,255,0.1);
  border-radius: 16px;
  padding: 3px 12px;
  margin-bottom: 10px;
}
.tl-card h3 { font-size: 17px; color: var(--c-black); margin-bottom: 8px; }
.tl-card p { font-size: 13px; color: var(--c-gray-3); line-height: 1.8; }

.about-industries { padding: 86px 0; background: var(--c-bg); }
.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 50px; }
.industry-card {
  position: relative;
  background: #fff;
  border-radius: 14px;
  padding: 32px 24px;
  overflow: hidden;
  opacity: 0;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}
.industry-card.in-view { animation: cardPop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both; animation-delay: var(--d); }
@keyframes cardPop {
  0% { opacity: 0; transform: translateY(30px) scale(0.6); }
  60% { opacity: 1; transform: translateY(-4px) scale(1.05); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
.industry-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}
.industry-card:hover { transform: translateY(-6px); box-shadow: 0 16px 44px rgba(0,0,0,0.08); }
.industry-card:hover::before { transform: scaleX(1); }
.industry-idx {
  position: absolute;
  top: 18px; right: 20px;
  font-family: var(--f-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-line);
  letter-spacing: 1px;
  transition: color 0.35s;
}
.industry-card:hover .industry-idx { color: var(--accent); }
.industry-icon {
  display: inline-grid;
  place-items: center;
  width: 48px; height: 48px;
  border-radius: 12px;
  font-size: 22px;
  color: var(--accent);
  margin-bottom: 16px;
  transition: transform 0.35s var(--ease-out);
}
.industry-card:hover .industry-icon { transform: scale(1.08) rotate(-4deg); }
.industry-card h3 { font-size: 16px; color: var(--c-black); margin-bottom: 8px; }
.industry-card p { font-size: 12px; color: var(--c-gray-3); line-height: 1.7; }

@media (max-width: 900px) {
  .about-intro { padding: 56px 0; }
  .about-page .intro-grid { grid-template-columns: 1fr; gap: 50px; }
  .intro-img { height: 360px; }
  .about-process { padding: 56px 0; }
  .process-stepper { grid-template-columns: 1fr; gap: 0; margin-top: 50px; }
  .process-stepper::before {
    left: 32px; right: auto;
    top: 24px; bottom: 24px;
    width: 2px; height: auto;
    background: linear-gradient(to bottom, transparent, rgba(43,127,255,0.3) 8%, rgba(43,127,255,0.3) 92%, transparent);
  }
  .step {
    display: grid;
    grid-template-columns: 64px 1fr;
    column-gap: 22px;
    text-align: left;
    padding: 0 0 38px 0;
  }
  .step:last-child { padding-bottom: 0; }
  .step-icon { grid-row: 1 / span 3; margin: 0; }
  .step:hover .step-icon { transform: scale(1.06); }
  .step-num { margin-top: 4px; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .about-timeline, .about-industries { padding: 56px 0; }
}
@media (max-width: 640px) {
  .intro-text h2 { font-size: 27px; }
  .intro-values { flex-direction: column; }
  .step { column-gap: 16px; }
  .step h3 { font-size: 16px; }
  .timeline::before { left: 8px; }
  .tl-item, .tl-item.right { width: 100%; margin-left: 0; padding: 0 0 40px 36px; }
  .tl-dot, .tl-item.right .tl-dot { left: 0; right: auto; }
  .industry-grid { grid-template-columns: 1fr; }
}

/* ============================================
   案例列表
   ============================================ */
.cases-main { padding: 66px 0 86px; background: var(--c-bg); }
.filter-bar { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 56px; }
.filter-item {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 28px;
  border-radius: 30px;
  background: #fff;
  border: 1px solid var(--c-line);
  font-size: 14px;
  color: var(--c-gray-2);
  transition: all 0.3s var(--ease-out);
  letter-spacing: 1px;
}
.filter-item:hover { color: var(--c-primary); border-color: var(--c-primary-light); transform: translateY(-2px); }
.filter-item.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; box-shadow: 0 8px 20px rgba(43,127,255,0.25); }

.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; position: relative; }
.empty-tip { text-align: center; color: var(--c-gray-3); padding: 60px 0; font-size: 15px; }
.cases-page .case-card.case-enter {
  animation: caseEnter 0.45s var(--ease-out) both;
}
@keyframes caseEnter {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to { opacity: 1; transform: none; }
}
@media (max-width: 900px) {
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-main { padding: 46px 0 56px; }
}
@media (max-width: 768px) {
  .cases-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .cases-grid { grid-template-columns: 1fr; }
  .filter-item { padding: 8px 20px; font-size: 13px; }
}

/* ============================================
   联系我们
   ============================================ */
.contact-page {
  --page-sec: #5c6575;
  --page-error: #d9363e;
}
.contact-desk { padding: 64px 0 0; background: var(--c-white); }
.desk-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  border: 1px solid var(--c-line);
  border-radius: 20px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 24px 70px rgba(10, 18, 37, 0.08);
}
.desk-aside {
  display: flex;
  flex-direction: column;
  padding: clamp(32px, 4vw, 54px) clamp(28px, 3.4vw, 48px);
  background:
    radial-gradient(120% 90% at 0% 0%, rgba(43, 127, 255, 0.08), transparent 55%),
    var(--c-bg);
  border-right: 1px solid var(--c-line);
}
.desk-kicker {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--f-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--c-primary);
  margin-bottom: 18px;
}
.desk-kicker em {
  font-family: var(--f-body);
  font-style: normal;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 2px;
  color: var(--page-sec);
}
.desk-aside h2 {
  font-size: clamp(26px, 2.6vw, 36px);
  line-height: 1.35;
  letter-spacing: 0.5px;
  color: var(--c-black);
  margin-bottom: 16px;
}
.desk-intro {
  font-size: 14px;
  line-height: 1.9;
  color: var(--page-sec);
  max-width: 38em;
  margin-bottom: 30px;
}
.desk-aside .hotline { display: block; margin-bottom: 26px; }
.hotline-label {
  display: block;
  font-size: 13px;
  color: var(--page-sec);
  margin-bottom: 8px;
}
.desk-aside .hotline strong {
  font-family: 'SF Mono', 'Cascadia Mono', Consolas, 'Courier New', monospace;
  font-size: clamp(28px, 2.8vw, 40px);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--c-black);
  font-variant-numeric: tabular-nums;
  transition: color 0.3s var(--ease-out);
}
.desk-aside .hotline:hover strong { color: var(--c-primary); }
.desk-form .submit { gap: 10px; letter-spacing: 2px; }
.btn-arrow {
  font-style: normal;
  font-size: 1.05em;
  transition: transform 0.3s var(--ease-out);
}
.desk-divider { height: 1px; background: var(--c-line); margin: 26px 0; }
.channel-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 30px;
}
.channel-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  align-items: baseline;
}
.channel-name { font-size: 13px; font-weight: 600; color: var(--c-black); }
.channel-desc { font-size: 13px; line-height: 1.7; color: var(--page-sec); }
.desk-wechat {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: auto;
}
.desk-wechat .qr-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px 9px 9px;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 12px;
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.desk-wechat .qr-item:hover { border-color: rgba(43, 127, 255, 0.4); transform: translateY(-2px); }
.desk-wechat .qr-item img {
  width: 58px;
  height: 58px;
  border-radius: 8px;
  object-fit: cover;
}
.desk-wechat .qr-item span {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 11px;
  color: var(--page-sec);
}
.desk-wechat .qr-item strong { font-size: 13px; color: var(--c-black); }

.desk-form {
  display: flex;
  flex-direction: column;
  padding: clamp(32px, 4vw, 54px) clamp(28px, 3.4vw, 48px);
}
.desk-form h3 { font-size: 24px; color: var(--c-black); margin-bottom: 10px; }
.form-intro { font-size: 14px; color: var(--page-sec); margin-bottom: 30px; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.f-field { margin-bottom: 20px; }
.f-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-dark);
  margin-bottom: 8px;
}
.f-field label em { font-style: normal; color: var(--page-error); }
.f-field input,
.f-field textarea {
  width: 100%;
  border: 1px solid var(--c-line);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 14px;
  color: var(--c-dark);
  background: #fff;
  transition: border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
  resize: none;
}
.f-field input::placeholder,
.f-field textarea::placeholder { color: var(--page-sec); }
.f-field input:hover,
.f-field textarea:hover { border-color: #cfd4dc; }
.f-field input:focus,
.f-field textarea:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(43, 127, 255, 0.12);
}
.f-field.has-error input,
.f-field.has-error textarea { border-color: var(--page-error); }
.f-error { font-size: 12px; color: var(--page-error); margin-top: 6px; }
.f-error:empty { display: none; }
.desk-form .submit { width: 100%; height: 54px; margin-top: auto; }
.desk-form .submit.done { background: var(--c-success); pointer-events: none; }
.desk-form .form-tip {
  margin-top: 14px;
  font-size: 12px;
  color: var(--page-sec);
  text-align: center;
}

.contact-location { padding: 64px 0 96px; background: var(--c-white); }
.location-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr);
  border-radius: 20px;
  overflow: hidden;
  background: #0d1a30;
  color: #fff;
  box-shadow: 0 30px 80px rgba(10, 18, 37, 0.18);
}
.loc-map { position: relative; min-height: 360px; }
.loc-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.ping {
  transform-box: fill-box;
  transform-origin: center;
  animation: radarPing 2.8s cubic-bezier(0.22, 0.61, 0.36, 1) infinite;
}
.ping-2 { animation-delay: 1.4s; }
@keyframes radarPing {
  0% { transform: scale(0.35); opacity: 0.85; }
  70%, 100% { transform: scale(2.8); opacity: 0; }
}
.loc-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(32px, 3.6vw, 52px);
}
.loc-info h3 { font-size: clamp(22px, 2vw, 30px); margin-bottom: 10px; }
.loc-info > p { font-size: 14px; color: rgba(255, 255, 255, 0.62); margin-bottom: 28px; }
.loc-facts { display: flex; flex-direction: column; gap: 20px; margin-bottom: 26px; }
.loc-fact { display: flex; gap: 14px; align-items: flex-start; }
.fact-icon {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(43, 127, 255, 0.16);
  color: var(--c-primary-light);
  display: grid;
  place-items: center;
}
.fact-icon svg { width: 18px; height: 18px; }
.loc-fact strong { display: block; font-size: 14px; margin-bottom: 3px; }
.loc-fact p { font-size: 13px; line-height: 1.7; color: rgba(255, 255, 255, 0.62); }
.loc-note {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.desk-form .submit:focus-visible,
.desk-aside .hotline:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 2px;
}
@media (max-width: 900px) {
  .contact-desk { padding: 40px 0 0; }
  .desk-shell { grid-template-columns: 1fr; border-radius: 16px; }
  .desk-aside { border-right: none; border-bottom: 1px solid var(--c-line); }
  .contact-location { padding: 48px 0 64px; }
  .location-shell { grid-template-columns: 1fr; }
  .loc-map { min-height: 300px; }
}
@media (max-width: 640px) {
  .contact-desk { padding: 28px 0 0; }
  .desk-aside, .desk-form { padding: 28px 20px; }
  .f-row { grid-template-columns: 1fr; gap: 0; }
  .channel-item { grid-template-columns: 1fr; gap: 3px; }
  .desk-wechat { flex-direction: column; }
  .loc-map { min-height: 250px; }
  .loc-info { padding: 28px 20px 32px; }
}

/* ============================================
   ERP 开发
   ============================================ */
.erp-intro { padding: 86px 0; background: var(--c-white); }
.erp-page .intro-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 70px; align-items: center; }
.intro-points { display: flex; flex-direction: column; gap: 18px; margin-top: 30px; }
.intro-points li { display: flex; gap: 14px; align-items: flex-start; }
.intro-points i {
  font-style: normal; flex-shrink: 0;
  width: 24px; height: 24px; border-radius: 50%;
  background: rgba(43,127,255,0.12); color: var(--c-primary);
  display: grid; place-items: center; font-size: 13px; margin-top: 2px;
}
.intro-points strong { display: block; font-size: 16px; color: var(--c-black); margin-bottom: 4px; }
.intro-points span { font-size: 13px; color: var(--c-gray-3); line-height: 1.7; }

.erp-page .intro-visual { position: relative; }
.visual-board {
  background: var(--c-white);
  border: 1px solid rgba(43, 127, 255, 0.16);
  border-radius: 16px;
  padding: 26px 28px 28px;
  box-shadow: 0 24px 56px rgba(16, 32, 64, 0.08);
  position: relative;
  overflow: hidden;
}
.visual-board::before {
  content: '';
  position: absolute;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 127, 255, 0.08), transparent 70%);
  top: -100px; right: -80px;
  pointer-events: none;
}
.board-head { display: flex; align-items: center; gap: 7px; margin-bottom: 26px; position: relative; }
.board-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(43, 127, 255, 0.2); }
.board-dot:first-child { background: var(--c-primary); }
.board-head em {
  font-style: normal;
  margin-left: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-dark);
  letter-spacing: 1px;
}
.board-chart-wrap { position: relative; margin-bottom: 22px; }
.board-chart-label { display: block; font-size: 12px; color: var(--c-gray-3); margin-bottom: 10px; }
.ring-layout { display: flex; align-items: center; gap: 28px; }
.ring { position: relative; width: 172px; height: 172px; flex-shrink: 0; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); display: block; }
.ring-track { fill: none; stroke: rgba(43, 127, 255, 0.08); stroke-width: 14; }
.ring-bar {
  fill: none;
  stroke-width: 14;
  stroke-linecap: round;
  stroke-dasharray: 301.59px;
  stroke-dashoffset: 301.59px;
  transition: stroke 0.4s;
}
.ring-center {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
  pointer-events: none;
}
.ring-center strong {
  font-family: var(--f-display);
  font-size: 30px;
  font-weight: 700;
  color: var(--c-dark);
  line-height: 1;
}
.ring-center strong em { font-style: normal; font-size: 16px; color: var(--c-gray-3); margin-left: 1px; }
.ring-center span { font-size: 12px; color: var(--c-gray-3); margin-top: 6px; }
.ring-list { flex: 1; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.ring-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 13px;
  color: var(--c-gray-2);
  transition: background 0.3s, color 0.3s;
}
.ring-list li:hover { background: var(--c-bg); }
.ring-list li.active { background: rgba(43, 127, 255, 0.07); color: var(--c-dark); font-weight: 600; }
.ring-list li i { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.ring-list li span { flex: 1; }
.ring-list li strong { font-family: var(--f-display); font-weight: 700; }
.board-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  border-top: 1px solid var(--c-bg);
  padding-top: 20px;
  position: relative;
}
.metric { text-align: center; }
.metric strong {
  display: block;
  font-family: var(--f-display);
  font-size: 24px; font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 4px;
}
.metric span { font-size: 12px; color: var(--c-gray-3); }

.erp-modules { padding: 86px 0; background: var(--c-bg); }
.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.module-card {
  position: relative;
  background: #fff;
  border-radius: 14px;
  padding: 38px 30px 34px;
  border: 1px solid transparent;
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), border-color 0.4s;
}
.module-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 56px rgba(0,0,0,0.1);
  border-color: rgba(43,127,255,0.35);
}
.module-icon {
  display: inline-grid; place-items: center;
  width: 58px; height: 58px;
  border-radius: 14px;
  background: rgba(43,127,255,0.1);
  color: var(--c-primary);
  font-size: 26px;
  margin-bottom: 22px;
  transition: all 0.4s var(--ease-out);
}
.module-card:hover .module-icon { background: var(--c-primary); color: #fff; transform: rotate(8deg) scale(1.08); }
.module-card h3 { font-size: 19px; color: var(--c-black); margin-bottom: 10px; }
.module-card p { font-size: 13px; color: var(--c-gray-3); line-height: 1.8; }
.module-num {
  position: absolute;
  right: 22px; top: 18px;
  font-family: var(--f-display);
  font-size: 34px; font-weight: 700;
  color: rgba(0,0,0,0.05);
  transition: color 0.4s;
}
.module-card:hover .module-num { color: rgba(43,127,255,0.15); }

.erp-flow { padding: 86px 0; background: var(--c-white); }
.erp-cases { padding: 86px 0 96px; background: var(--c-bg); }
.erp-page .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 56px; }
.erp-page .case-more { text-align: center; }

@media (max-width: 900px) {
  .erp-intro { padding: 56px 0; }
  .erp-page .intro-grid { grid-template-columns: 1fr; gap: 60px; }
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .erp-modules, .erp-flow, .erp-cases { padding: 56px 0; }
  .erp-page .case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .intro-text h2 { font-size: 27px; }
  .module-grid { grid-template-columns: 1fr; }
  .erp-page .case-grid { grid-template-columns: 1fr; }
  .board-metrics { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .metric strong { font-size: 18px; }
  .ring-layout { flex-direction: column; gap: 18px; }
  .ring { width: 150px; height: 150px; }
}

/* ============================================
   数字营销
   ============================================ */
.mkt-services { padding: 86px 0; background: var(--c-white); }
.marketing-page .svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.marketing-page .svc-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease-out), border-color 0.45s;
}
.marketing-page .svc-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 26px 60px rgba(0,0,0,0.12);
  border-color: transparent;
}
.marketing-page .svc-top {
  height: 130px;
  position: relative;
  display: grid; place-items: center;
  overflow: hidden;
}
.marketing-page .svc-top::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.12) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.6;
}
.marketing-page .svc-top::after {
  content: '';
  position: absolute;
  width: 170px; height: 170px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  top: -55px; right: -55px;
  transition: transform 0.6s var(--ease-out);
}
.marketing-page .svc-card:hover .svc-top::after { transform: scale(1.5); }
.marketing-page .svc-icon { font-size: 40px; color: rgba(255,255,255,0.92); transition: transform 0.5s var(--ease-out); }
.marketing-page .svc-card:hover .svc-icon { transform: scale(1.2) rotate(8deg); }
.marketing-page .svc-num {
  position: absolute; left: 20px; top: 16px;
  font-family: var(--f-display);
  font-size: 15px; color: rgba(255,255,255,0.55); letter-spacing: 2px;
}
.marketing-page .svc-body { padding: 28px 26px 26px; display: flex; flex-direction: column; flex: 1; }
.marketing-page .svc-body h3 { font-size: 21px; color: var(--c-black); margin-bottom: 4px; }
.marketing-page .svc-body em {
  font-style: normal;
  font-family: var(--f-display);
  font-size: 12px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--c-gray-3);
  display: block; margin-bottom: 16px;
}
.marketing-page .svc-body > p { font-size: 13px; color: var(--c-gray-2); line-height: 1.8; margin-bottom: 18px; }
.svc-points { display: flex; flex-direction: column; gap: 10px; margin-bottom: 22px; }
.svc-points li { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--c-gray-2); }
.svc-points i {
  font-style: normal; flex-shrink: 0;
  width: 18px; height: 18px; border-radius: 50%;
  background: rgba(43,127,255,0.1); color: var(--c-primary);
  display: grid; place-items: center; font-size: 10px;
}
.marketing-page .svc-link {
  margin-top: auto;
  font-size: 14px; color: var(--c-primary); font-weight: 600;
  transition: letter-spacing 0.3s var(--ease-out);
}
.marketing-page .svc-link:hover { letter-spacing: 1px; }

.mkt-stats { background: var(--c-bg-blue); padding: 46px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { text-align: center; position: relative; }
.stat:not(:last-child)::after {
  content: ''; position: absolute; right: 0; top: 50%;
  transform: translateY(-50%);
  width: 1px; height: 50px; background: var(--c-line);
}
.stat-num {
  display: block;
  font-family: var(--f-display);
  font-size: 48px; font-weight: 700;
  color: var(--c-primary-deep);
  margin-bottom: 10px;
}
.stat em { font-style: normal; font-size: 14px; color: var(--c-gray-3); letter-spacing: 1px; }

.mkt-why { background: var(--c-bg); padding: 86px 0; }
.mkt-flow { padding: 86px 0 96px; background: var(--c-white); }

@media (max-width: 900px) {
  .mkt-services { padding: 56px 0; }
  .marketing-page .svc-grid { grid-template-columns: 1fr; }
  .mkt-why { padding: 56px 0; }
  .mkt-flow { padding: 56px 0 66px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 0; }
  .stat:nth-child(2)::after { display: none; }
}
@media (max-width: 640px) {
  .stats-grid { grid-template-columns: 1fr; gap: 30px 0; }
  .stat::after { display: none; }
  .stat-num { font-size: 36px; }
}

/* ============================================
   网站建设（3D 屏风轮播）
   ============================================ */
.svc-section { padding: 76px 0 66px; background: var(--c-white); overflow: hidden; }
.svc-stage {
  cursor: grab;
  padding: 40px 0 20px;
  user-select: none;
  touch-action: pan-y;
}
.svc-stage:active { cursor: grabbing; }
.svc-scene {
  position: relative;
  height: 435px;
  perspective: 1200px;
  perspective-origin: 50% 45%;
}
.website-page .svc-card {
  position: absolute;
  left: 50%; top: 0;
  width: 480px;
  margin-left: -240px;
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--c-line);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  transition: transform 0.6s var(--ease-out), opacity 0.6s var(--ease-out), box-shadow 0.6s;
  transform-style: preserve-3d;
  display: flex;
  flex-direction: column;
  will-change: transform, opacity;
}
.website-page .svc-card.active {
  box-shadow: 0 28px 70px rgba(43,127,255,0.18);
  border-color: rgba(43,127,255,0.3);
}
.website-page .svc-card.dragging { transition: none; }
.website-page .svc-card-top {
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: relative;
  overflow: hidden;
}
.website-page .svc-card-top::after {
  content: '';
  position: absolute;
  width: 160px; height: 160px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  top: -50px; right: -40px;
}
.website-page .svc-num {
  font-family: var(--f-display);
  font-size: 36px; font-weight: 700;
  color: rgba(255,255,255,0.9);
}
.svc-en {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  writing-mode: vertical-rl;
}
.website-page .svc-card-body {
  padding: 30px 32px 34px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.website-page .svc-card-body h3 { font-size: 21px; color: var(--c-black); margin-bottom: 10px; }
.website-page .svc-card-body > p { font-size: 14px; color: var(--c-gray-2); line-height: 1.8; margin-bottom: 18px; }
.svc-card-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.svc-card-tags span {
  font-size: 12px; color: var(--c-primary);
  background: rgba(43,127,255,0.08);
  padding: 5px 14px; border-radius: 20px;
}
.svc-card-link {
  margin-top: auto;
  font-size: 14px; font-weight: 600;
  color: var(--c-primary);
  opacity: 0; transform: translateX(-8px);
  transition: all 0.35s var(--ease-out);
}
.website-page .svc-card.active:hover .svc-card-link { opacity: 1; transform: none; }

.svc-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 18px;
}
.svc-arrow {
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid var(--c-line);
  font-size: 18px;
  color: var(--c-gray-2);
  display: grid; place-items: center;
  transition: all 0.3s var(--ease-out);
  background: #fff;
}
.svc-arrow:hover {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: #fff;
  transform: scale(1.1);
  box-shadow: 0 6px 18px rgba(43,127,255,0.3);
}
.svc-dots { display: flex; gap: 10px; }
.svc-dot {
  box-sizing: content-box;
  width: 12px; height: 12px;
  padding: 8px;
  background-clip: content-box;
  border-radius: 50%;
  background: var(--c-line);
  transition: all 0.35s var(--ease-out);
}
.svc-dot.active {
  background: var(--c-primary);
  transform: scale(1.3);
  box-shadow: 0 0 8px rgba(43,127,255,0.5);
}

.why-section { background: var(--c-bg-blue); padding: 76px 0; color: var(--c-dark); }
.flow-section { padding: 76px 0 86px; background: var(--c-bg); }

.web-cases { padding: 76px 0 86px; background: var(--c-white); }
.web-case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.web-case-more { text-align: center; margin-top: 44px; }

@media (max-width: 900px) {
  .svc-section { padding: 46px 0 36px; }
  .svc-scene { height: 410px; }
  .website-page .svc-card { width: 350px; margin-left: -175px; }
  .website-page .svc-card-top { height: 140px; }
  .why-section { padding: 46px 0; }
  .flow-section { padding: 46px 0 56px; }
  .web-cases { padding: 46px 0 56px; }
  .web-case-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (max-width: 640px) {
  .svc-scene { height: 385px; perspective: 900px; }
  .website-page .svc-card { width: 300px; margin-left: -150px; }
  .website-page .svc-card-top { height: 110px; }
  .website-page .svc-num { font-size: 28px; }
  .web-case-grid { grid-template-columns: 1fr; }
}
@media (max-width: 380px) {
  .svc-scene { height: 340px; }
  .website-page .svc-card { width: 250px; margin-left: -125px; }
  .website-page .svc-card-top { height: 92px; }
  .website-page .svc-card-body { padding: 18px 16px; }
  .website-page .svc-card-body h3 { font-size: 17px; }
}

/* ============================================
   资讯列表
   ============================================ */
.news-main { padding: 66px 0 86px; background: var(--c-bg); }
.news-layout { display: grid; grid-template-columns: 1fr 320px; gap: 50px; align-items: start; }
.n-tabs { display: flex; gap: 8px; margin-bottom: 36px; flex-wrap: wrap; }
.n-tab {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 11px 30px;
  border-radius: 30px;
  font-size: 15px;
  color: var(--c-gray-2);
  background: #fff;
  border: 1px solid var(--c-line);
  transition: all 0.3s var(--ease-out);
  letter-spacing: 1px;
}
.n-tab:hover { color: var(--c-primary); border-color: var(--c-primary-light); }
.n-tab.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

.n-list { display: flex; flex-direction: column; gap: 24px; }
.n-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s;
}
.n-card:hover { transform: translateY(-5px); box-shadow: 0 18px 44px rgba(0,0,0,0.1); }
.n-thumb { position: relative; min-height: 170px; background-size: cover; background-position: center; }
.n-date { position: absolute; left: 18px; bottom: 16px; color: #fff; display: flex; align-items: baseline; gap: 6px; font-size: 11px; }
.n-date strong { font-family: var(--f-display); font-size: 28px; }
.n-body { padding: 26px 30px; display: flex; flex-direction: column; }
.n-body h3 { font-size: 18px; color: var(--c-black); margin-bottom: 10px; transition: color 0.3s; }
.n-card:hover h3 { color: var(--c-primary); }
.n-body p { font-size: 13px; color: var(--c-gray-3); line-height: 1.8; margin-bottom: 16px; }
.n-more { margin-top: auto; font-size: 13px; color: var(--c-primary); }

.n-textlist { background: #fff; border-radius: 12px; overflow: hidden; }
.n-textlist li { border-bottom: 1px solid var(--c-bg); }
.n-textlist li:last-child { border-bottom: none; }
.n-row {
  display: flex; align-items: center; gap: 24px;
  padding: 24px 30px;
  transition: all 0.3s var(--ease-out);
}
.n-row:hover { background: var(--c-bg); padding-left: 40px; }
.n-row-date { display: flex; flex-direction: column; align-items: center; flex-shrink: 0; width: 56px; }
.n-row-date strong { font-family: var(--f-display); font-size: 26px; color: var(--c-primary); line-height: 1; }
.n-row-date em { font-style: normal; font-size: 11px; color: var(--c-gray-3); margin-top: 4px; }
.n-row-title { flex: 1; font-size: 15px; color: var(--c-dark); transition: color 0.3s; }
.n-row:hover .n-row-title { color: var(--c-primary); }
.n-row-arrow { color: var(--c-gray-3); transition: all 0.3s; }
.n-row:hover .n-row-arrow { color: var(--c-primary); transform: translateX(4px); }

.n-pager { display: flex; justify-content: center; gap: 10px; margin-top: 44px; flex-wrap: wrap; }
.n-pager button {
  min-width: 44px; height: 44px; padding: 0 16px;
  border: 1px solid var(--c-line);
  border-radius: 8px;
  background: #fff;
  font-size: 14px;
  color: var(--c-gray-2);
  transition: all 0.3s var(--ease-out);
}
.n-pager button:hover:not(:disabled) { border-color: var(--c-primary); color: var(--c-primary); transform: translateY(-2px); }
.n-pager button.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.n-pager button:disabled { opacity: 0.35; cursor: not-allowed; }

.side-block { background: #fff; border-radius: 12px; padding: 28px; margin-bottom: 26px; }
.side-block h4 {
  font-size: 17px; color: var(--c-black);
  margin-bottom: 20px; padding-bottom: 14px;
  border-bottom: 1px solid var(--c-bg);
  position: relative;
}
.side-block h4::after { content: ''; position: absolute; left: 0; bottom: -1px; width: 32px; height: 2px; background: var(--c-primary); }
.hot-item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 12px 0;
  font-size: 14px; color: var(--c-gray-2);
  line-height: 1.6;
  transition: color 0.3s;
  border-bottom: 1px dashed var(--c-bg);
}
.hot-item:last-child { border-bottom: none; }
.hot-item:hover { color: var(--c-primary); }
.hot-rank { font-family: var(--f-display); font-weight: 700; color: var(--c-gray-3); flex-shrink: 0; }
.hot-rank.top { color: var(--c-primary); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.news-side .tag {
  padding: 7px 16px;
  background: var(--c-bg);
  border-radius: 20px;
  font-size: 13px;
  color: var(--c-gray-2);
  transition: all 0.3s;
  cursor: pointer;
}
.news-side .tag:hover { background: var(--c-primary); color: #fff; transform: translateY(-2px); }

.news-list-fade { animation: listFade 0.4s var(--ease-out) both; }
@keyframes listFade {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  .news-layout { grid-template-columns: 1fr; }
  .news-side { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
  .side-block { margin-bottom: 0; }
  .news-main { padding: 46px 0 56px; }
}
@media (max-width: 640px) {
  .news-side { grid-template-columns: 1fr; }
  .n-card { grid-template-columns: 1fr; }
  .n-thumb { min-height: 150px; }
  .n-tabs { flex-wrap: wrap; }
  .n-row { padding: 18px 20px; gap: 16px; }
  .n-row:hover { padding-left: 26px; }
}

/* ============================================
   404
   ============================================ */
.nf-main {
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding-top: var(--h-header);
  background: var(--c-bg);
}
.nf-inner { text-align: center; padding: 80px 24px; }
@media (min-width: 901px) and (max-width: 1100px) {
  @supports (zoom: 1) {
    .nf-main { min-height: calc(70vh * 1.5); }
  }
}
.nf-code {
  display: block;
  font-family: var(--f-display);
  font-size: 90px; font-weight: 700;
  color: rgba(43, 127, 255, 0.15);
  line-height: 1;
  margin-bottom: 16px;
}
.nf-inner h1 { font-size: 32px; color: var(--c-black); margin-bottom: 14px; }
.nf-inner p { font-size: 15px; color: var(--c-gray-3); margin-bottom: 36px; }