/* =====================================================
   金双禧 · 子页面视觉 v5 — 明亮商务白底扩展
   配合 styles-v4.css 使用（导航/按钮/页脚/变量在其中）
   ===================================================== */

/* ---------- 页面头部 ---------- */
.page-hero {
  position: relative;
  min-height: 360px;
  display: flex;
  align-items: center;
  padding: 116px 0 76px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background:
    radial-gradient(880px 420px at 8% -28%, rgba(37,99,235,.24), transparent 60%),
    radial-gradient(760px 400px at 94% -8%, rgba(14,165,233,.18), transparent 62%),
    linear-gradient(180deg, #e9f1ff 0%, #f2f7ff 52%, #ffffff 100%);
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at center, rgba(37,99,235,.10) 1px, transparent 1.5px);
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(720px 400px at 50% -8%, #000, transparent 74%);
  mask-image: radial-gradient(720px 400px at 50% -8%, #000, transparent 74%);
  opacity: .7;
  pointer-events: none;
}
.page-hero::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 132px; height: 4px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 4px 4px 0 0;
}
.page-hero .container { width: 100%; }
.page-hero-grid { position: relative; z-index: 1; }
.page-hero-text { max-width: 620px; margin: 0 auto; text-align: center; }
.page-hero-image { max-width: 140px; margin: 24px auto 0; opacity: 1; }
.page-hero-image svg { width: 100%; height: auto; display: block; }
.page-hero-text h1 {
  font-size: clamp(32px, 3.8vw, 46px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
  margin-bottom: 14px;
}
.page-hero-text p { color: var(--muted); font-size: 16.5px; line-height: 1.8; margin-top: 6px; }

/* ---------- 交替背景区块 ---------- */
.section-alt,
.product-feature.alt {
  background: var(--bg-2);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

/* ---------- 产品/行业/功能详情块 ---------- */
.product-feature-grid {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 40px;
  align-items: center;
}
.product-feature.alt .product-feature-visual { order: 2; }

.product-feature-visual { position: relative; }
.product-num {
  font-size: 64px;
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1;
  margin-bottom: 16px;
  background: linear-gradient(110deg, #2563eb, #06b6d4);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}
.product-feature-img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
}

.product-feature-text h2 {
  font-size: clamp(24px, 2.6vw, 30px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
  margin-bottom: 10px;
}
.product-tagline { color: var(--muted); font-size: 15px; margin-bottom: 32px; }

.product-block { margin-bottom: 28px; }
.product-block:last-child { margin-bottom: 0; }
.product-block-title {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--accent-text);
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 10px;
}
.product-block-title::after {
  content: ""; flex: 1; height: 1px;
  background: var(--line-soft);
}

.feature-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.feature-chip {
  font-size: 12.5px; font-weight: 600;
  color: var(--accent-text);
  background: var(--accent-tint);
  border: 1px solid var(--accent-line);
  padding: 5px 13px;
  border-radius: 100px;
  transition: all .25s var(--ease);
}
.feature-chip:hover { background: rgba(37,99,235,.16); border-color: rgba(37,99,235,.35); }

.detail-list { display: flex; flex-direction: column; gap: 10px; }
.detail-list li {
  position: relative;
  padding-left: 22px;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.7;
}
.detail-list li::before {
  content: "";
  position: absolute; left: 2px; top: 9px;
  width: 8px; height: 8px;
  border-radius: 2px;
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
}

/* ---------- 子页面大尺寸 mockup（替代场景插画） ---------- */
.pv-mock {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  min-height: 264px;
  display: flex; flex-direction: column; justify-content: center; gap: 12px;
  box-shadow: var(--shadow-lg);
}
.pv-row {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  padding: 13px 16px;
}
.pv-avatar {
  width: 34px; height: 34px; border-radius: 50%; flex: none;
  background: linear-gradient(135deg, rgba(37,99,235,.45), rgba(14,165,233,.45));
}
.pv-lines { display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 0; }
.pv-line { height: 9px; border-radius: 5px; background: rgba(15,23,42,.10); }
.pv-line.sm { height: 7px; background: rgba(15,23,42,.06); }
.pv-line.w30 { width: 30%; } .pv-line.w35 { width: 35%; }
.pv-line.w45 { width: 45%; } .pv-line.w50 { width: 50%; }
.pv-badge {
  font-size: 11.5px; color: var(--accent-text);
  background: var(--accent-tint);
  border: 1px solid var(--accent-line);
  padding: 3px 11px; border-radius: 100px;
  white-space: nowrap;
}
.pv-badge.gold { color: #d97706; background: rgba(245,158,11,.12); border-color: rgba(245,158,11,.3); }
.pv-badge.vip { color: #7c3aed; background: rgba(124,58,237,.1); border-color: rgba(124,58,237,.28); }
.pv-amt { font-size: 14px; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; white-space: nowrap; }

.pv-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 6px; }
.pv-kpi {
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  padding: 11px 13px;
  display: flex; flex-direction: column; gap: 2px;
}
.pv-kpi span { font-size: 11px; color: var(--muted); }
.pv-kpi strong { font-size: 17px; font-weight: 800; color: var(--ink); font-variant-numeric: tabular-nums; }
.pv-chart {
  flex: 1; min-height: 160px;
  display: flex; align-items: flex-end; gap: 8px;
  padding: 12px 6px 0;
}
.pv-chart span {
  flex: 1; height: var(--h);
  background: linear-gradient(to top, rgba(37,99,235,.45), rgba(14,165,233,.9));
  border-radius: 5px 5px 0 0;
}

.pv-call {
  width: 22px; height: 22px; border-radius: 50%; flex: none;
  background: rgba(5,150,105,.14);
  border: 1px solid rgba(5,150,105,.4);
}
.pv-call.out { background: rgba(37,99,235,.12); border-color: var(--accent-line); }
.pv-call.miss { background: rgba(244,63,94,.12); border-color: rgba(244,63,94,.4); }
.pv-dur { font-size: 12px; color: var(--ink-2); font-variant-numeric: tabular-nums; white-space: nowrap; }

.pv-channels {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  align-content: center;
}
.pv-ch {
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  padding: 18px 12px;
  text-align: center;
  display: flex; flex-direction: column; gap: 10px;
  font-size: 12.5px; color: var(--muted);
}
.pv-ch-icon {
  width: 42px; height: 42px; margin: 0 auto;
  border-radius: 11px;
  background: var(--accent-tint);
  border: 1px solid var(--accent-line);
  color: var(--accent-text);
  display: grid; place-items: center;
  font-weight: 700; font-size: 15px;
}

/* 行业图标辉光面板 */
.pv-icon-panel {
  position: relative;
  min-height: 340px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background:
    radial-gradient(closest-side, rgba(37,99,235,.10), transparent 70%),
    var(--bg-2);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 24px;
  padding: 24px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.pv-icon-panel::before, .pv-icon-panel::after {
  content: ""; position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(37,99,235,.14);
  pointer-events: none;
  z-index: 0;
}
.pv-icon-panel::before { width: 260px; height: 260px; top: 50%; left: 50%; transform: translate(-50%,-58%); }
.pv-icon-panel::after  { width: 180px; height: 180px; top: 50%; left: 50%; transform: translate(-50%,-58%); border-color: rgba(37,99,235,.22); }
.pv-icon-ring {
  position: relative; z-index: 1;
  width: 132px; height: 132px;
  border-radius: 32px;
  background: linear-gradient(160deg, rgba(37,99,235,.16), rgba(14,165,233,.1));
  border: 1px solid var(--accent-line);
  display: grid; place-items: center;
  color: var(--accent-text);
  box-shadow: 0 0 60px -10px rgba(37,99,235,.3), inset 0 0 24px rgba(37,99,235,.08);
}
.pv-icon-ring svg { width: 62px; height: 62px; }
.pv-icon-label {
  position: relative; z-index: 1;
  font-size: 15px; font-weight: 600;
  color: var(--ink-2);
  letter-spacing: .04em;
}

/* ---------- about：简介 + 信息卡 ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: start;
}
.about-text h2 {
  font-size: clamp(26px, 2.8vw, 34px);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 22px;
}
.about-text p { color: var(--muted); font-size: 14.5px; line-height: 1.85; margin-bottom: 16px; }
.about-text strong { color: var(--ink); font-weight: 600; }
.about-side { display: flex; flex-direction: column; gap: 14px; }

.info-card, .value-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all .3s var(--ease);
}
.info-card { display: flex; gap: 16px; align-items: flex-start; }
.info-card:hover, .value-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-line);
  box-shadow: var(--shadow), 0 20px 40px -24px rgba(37,99,235,.3);
}
.info-icon, .value-icon-wrap {
  width: 44px; height: 44px; flex: none;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--accent-tint);
  border: 1px solid var(--accent-line);
}
.value-icon-wrap { margin-bottom: 18px; }
.info-icon img, .value-icon-wrap img {
  width: 22px; height: 22px;
  filter: invert(25%) sepia(89%) saturate(1855%) hue-rotate(214deg) brightness(97%) contrast(96%);
}
.info-card h3, .info-card h4,
.value-card h3, .value-card h4 { font-size: 16.5px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.info-card p, .value-card p { font-size: 13.5px; color: var(--muted); line-height: 1.75; }

/* about 栅格兜底（若原页面无 grid 类） */
.section .container > .info-card,
.section .container > .value-card { margin-bottom: 16px; }

/* 时间线（文字节点药丸） */
.timeline { list-style: none; max-width: 680px; margin: 0 auto; }
.timeline-item {
  position: relative;
  padding-left: 42px;
  padding-bottom: 36px;
  border-left: 1px solid var(--line);
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: 0; top: -2px;
  transform: translateX(-50%);
  font-size: 11.5px; font-weight: 600;
  color: var(--accent-text);
  background: #fff;
  border: 1px solid var(--accent-line);
  padding: 4px 13px;
  border-radius: 100px;
  white-space: nowrap;
}
.timeline-content h4 { font-size: 16.5px; font-weight: 700; color: var(--ink); margin-bottom: 5px; }
.timeline-content p { font-size: 13.5px; color: var(--muted); line-height: 1.7; }

/* 价值观 2×2 网格 */
.value-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* about 统计行（如有） */
.stats-row, .about-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.stats-row .metric, .about-stats .metric {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px; text-align: center;
  box-shadow: var(--shadow-sm);
}

/* ---------- contact：联系页 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 36px;
  align-items: start;
}
.contact-info h2, .contact-left h2 { font-size: 26px; font-weight: 800; color: var(--ink); margin-bottom: 12px; }
.contact-info > p, .contact-left > p { color: var(--muted); font-size: 14.5px; margin-bottom: 28px; line-height: 1.8; }

.contact-item, .contact-info-item,
.contact-list > li {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}
.contact-item:last-child, .contact-info-item:last-child,
.contact-list > li:last-child { border-bottom: none; }
.contact-list { list-style: none; }
.contact-icon {
  width: 42px; height: 42px; flex: none;
  display: grid; place-items: center;
  border-radius: 11px;
  background: var(--accent-tint);
  border: 1px solid var(--accent-line);
}
.contact-icon img {
  width: 20px; height: 20px;
  filter: invert(25%) sepia(89%) saturate(1855%) hue-rotate(214deg) brightness(97%) contrast(96%);
}
.contact-item h4, .contact-info-item h4 { font-size: 14.5px; font-weight: 700; color: var(--ink); margin-bottom: 2px; }
.contact-item p, .contact-info-item p { font-size: 13px; color: var(--muted); }
.contact-item a, .contact-info-item a { color: var(--accent-text); }

/* 表单 */
.contact-form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.contact-form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 16px;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  display: block;
  width: 100%;
  margin-top: 7px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  font-family: inherit;
  color: var(--ink);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: #94a3b8; }
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}
.contact-form select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}
.contact-form select option { background: #fff; color: var(--ink); }
.contact-form textarea { resize: vertical; min-height: 110px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.contact-form .btn-primary { width: 100%; justify-content: center; margin-top: 8px; }

.industry-prefill-banner {
  font-size: 13px;
  color: var(--accent-text);
  background: var(--accent-tint);
  border: 1px solid var(--accent-line);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 20px;
  line-height: 1.6;
}
.industry-prefill-banner strong { color: var(--accent-strong); }

/* 表单底部提交提示 */
.form-tip {
  font-size: 12.5px;
  color: var(--muted);
  text-align: center;
  margin-top: 18px;
  line-height: 1.7;
}
.form-tip a {
  color: var(--accent-text);
  border-bottom: 1px solid rgba(37,99,235,.3);
  padding-bottom: 1px;
  transition: border-color .25s var(--ease), color .25s var(--ease);
}
.form-tip a:hover { color: var(--accent-strong); border-bottom-color: var(--accent); }

/* 提交中 spinner */
.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  vertical-align: -2px;
  margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 成功面板 */
.form-success {
  text-align: center;
  padding: 40px 24px;
}
.form-success-icon {
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: rgba(5,150,105,.12);
  border: 1px solid rgba(5,150,105,.4);
  display: grid; place-items: center;
  color: var(--ok);
}
.form-success h3 { font-size: 20px; font-weight: 800; color: var(--ink); margin-bottom: 10px; }
.form-success p { font-size: 13.5px; color: var(--muted); line-height: 1.8; }
.form-success-hint strong { color: var(--accent-text); }
.form-success-row {
  display: flex; justify-content: space-between; gap: 20px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13px;
}
.form-success-label { color: var(--muted); }
.form-success-value { color: var(--ink); font-weight: 600; }

/* 流程步骤 */
.process-steps, .process-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.process-step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 20px;
  box-shadow: var(--shadow-sm);
  transition: all .3s var(--ease);
}
.process-step:hover { border-color: var(--accent-line); transform: translateY(-3px); box-shadow: var(--shadow); }
.process-num {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: var(--accent-tint);
  border: 1px solid var(--accent-line);
  color: var(--accent-text);
  font-weight: 800; font-size: 15px;
  margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
}
.process-step h4 { font-size: 15px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.process-step p { font-size: 12.5px; color: var(--muted); line-height: 1.65; }

/* ---------- 404 错误页 ---------- */
.error-code {
  font-family: var(--font-serif);
  font-size: clamp(72px, 9vw, 128px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.04em;
  margin-bottom: 18px;
  background: linear-gradient(120deg, #2563eb, #06b6d4);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}
.error-actions {
  display: flex; gap: 14px; flex-wrap: wrap;
  justify-content: center; margin-top: 32px;
}

/* ---------- privacy：隐私政策 ---------- */
.privacy-update {
  display: inline-block;
  font-size: 12.5px;
  color: var(--accent-text);
  background: var(--accent-tint);
  border: 1px solid var(--accent-line);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 32px;
}
.privacy-section { margin-bottom: 44px; max-width: 780px; }
.privacy-section h2 {
  font-size: 20px; font-weight: 800;
  color: var(--ink);
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}
.privacy-section h3 { font-size: 15.5px; font-weight: 700; color: var(--ink); margin: 22px 0 8px; }
.privacy-section p { font-size: 14px; color: var(--muted); line-height: 1.9; margin-bottom: 12px; }
.privacy-section ul, .privacy-section ol {
  padding-left: 22px;
  margin-bottom: 12px;
}
.privacy-section li { font-size: 14px; color: var(--muted); line-height: 1.9; margin-bottom: 4px; }
.privacy-section ul li { list-style: disc; }
.privacy-section ol li { list-style: decimal; }
.privacy-note {
  font-size: 13px;
  color: var(--accent-text);
  background: var(--accent-tint);
  border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0;
  padding: 14px 18px;
  line-height: 1.8;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .product-feature-grid { grid-template-columns: 1fr; gap: 32px; }
  .product-feature.alt .product-feature-visual { order: 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .process-steps, .process-list { grid-template-columns: repeat(3, 1fr); }
  .stats-row, .about-stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .pv-mock, .pv-icon-panel { min-height: 220px; padding: 16px; }
  .pv-icon-panel::before, .pv-icon-panel::after { display: none; }
  .pv-icon-ring { width: 100px; height: 100px; border-radius: 24px; }
  .pv-icon-ring svg { width: 46px; height: 46px; }
  .pv-channels { grid-template-columns: 1fr 1fr; }
  .pv-icon-ring { width: 76px; height: 76px; border-radius: 20px; }
  .pv-icon-ring svg { width: 36px; height: 36px; }
  .pv-icon-label { font-size: 13px; }
  .page-hero { padding: 108px 0 48px; min-height: 280px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 22px; }
  .process-steps, .process-list { grid-template-columns: 1fr 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .product-num { font-size: 46px; }
}

.pv-photo-panel { padding: 0; }
.pv-photo-panel::before, .pv-photo-panel::after { display: none; }
.pv-photo-panel .pv-photo {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
}
.pv-photo-panel .pv-icon-label {
  position: absolute; z-index: 1;
  bottom: 14px; left: 14px;
  background: rgba(8, 12, 24, .62);
  color: #fff;
  padding: 6px 14px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}