/* =========================================================
   Page-level compositions.
   Home, product, partner, about — shared section variants.
   ========================================================= */

/* ---------- Trust strip (homepage) ---------- */
.trust-strip {
  margin-top: -32px;
  position: relative;
  z-index: 2;
}
.trust-strip__inner {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 24px;
  align-items: center;
  box-shadow: 0 12px 40px rgba(11, 28, 64, 0.08);
}
.trust-strip__lead {
  font-size: 14px;
  color: var(--color-muted);
  border-right: 1px solid var(--color-divider);
  padding-right: 24px;
}
.trust-strip__lead strong {
  display: block;
  font-size: 16px;
  color: var(--color-text-strong);
  font-weight: var(--fw-bold);
  margin-bottom: 4px;
}
.trust-strip .item .num {
  font-size: 32px;
  font-weight: var(--fw-extrabold);
  color: var(--color-text-strong);
  letter-spacing: -0.02em;
  line-height: 1;
  display: flex; align-items: baseline; gap: 4px;
}
.trust-strip .item .num .unit {
  font-size: 14px; color: var(--color-primary); font-weight: var(--fw-strong);
}
.trust-strip .item .label { font-size: 13px; color: var(--color-muted); margin-top: 6px; }
@media (max-width: 1023px) {
  .trust-strip__inner { grid-template-columns: repeat(2, 1fr); }
  .trust-strip__lead { grid-column: 1 / -1; border-right: 0; padding-right: 0; padding-bottom: 8px; border-bottom: 1px solid var(--color-divider); }
}
@media (max-width: 539px) {
  .trust-strip__inner { padding: 24px 20px; }
}

/* ---------- 云梦是谁 — pillars ---------- */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.pillar {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  overflow: hidden;
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.pillar:hover { border-color: rgba(20, 110, 245, 0.40); box-shadow: var(--shadow-card-hover); }
.pillar h3 { font-size: 20px; margin-bottom: 8px; }
.pillar p { color: var(--color-muted); margin: 0; font-size: 14px; line-height: 1.7; }
/* 注：首页 pillar 视觉由 page-home.css 统一接管（banner-style 渐变 + 有机色球 + 右上 CTA）。 */
@media (max-width: 1023px) { .pillar-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 539px) { .pillar-grid { grid-template-columns: 1fr; } }

/* ---------- AI 建站 5 项能力 ---------- */
.ability-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.ability-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex; flex-direction: column;
  gap: 14px;
  overflow: hidden;
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.ability-card:hover { border-color: rgba(20, 110, 245, 0.40); box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
/* 5 cards, asymmetric layout */
.ability-card.col-7 { grid-column: span 7; }
.ability-card.col-5 { grid-column: span 5; }
.ability-card.col-4 { grid-column: span 4; }
.ability-card.col-8 { grid-column: span 8; }
.ability-card.col-12 { grid-column: span 12; }
@media (max-width: 1023px) {
  .ability-card.col-7, .ability-card.col-5, .ability-card.col-4, .ability-card.col-8 { grid-column: span 12; }
}
.ability-card__head { display: flex; align-items: center; gap: 12px; }
.ability-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border: 1px solid rgba(20, 110, 245, 0.20);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
}
.ability-card__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--color-primary);
  color: #fff;
  border: 0;
  flex-shrink: 0;
  line-height: 0;
  box-shadow: 0 6px 14px rgba(20, 110, 245, 0.28);
}
.ability-card__icon svg {
  width: 22px;
  height: 22px;
  display: block;
  flex-shrink: 0;
}
.ability-card__icon.ai     { background: var(--color-secondary); box-shadow: 0 6px 14px rgba(0, 184, 217, 0.28); }
.ability-card__icon.accent { background: var(--color-accent);    box-shadow: 0 6px 14px rgba(255, 122, 69, 0.28); }
.ability-card__icon.lime   { background: #5FAA00;                box-shadow: 0 6px 14px rgba(95, 170, 0, 0.28); }
.ability-card__icon.lime svg { transform: translateY(1px); }
.ability-card h3 { margin: 0; font-size: 22px; line-height: 1.3; }
.ability-card p { margin: 0; color: var(--color-muted); font-size: 15px; line-height: 1.7; }
.ability-card .tag-row { margin-top: auto; display: flex; flex-wrap: wrap; gap: 6px; }

/* Visual mock fragment for showcase abilities */
.ability-mock {
  margin-top: 8px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-surface-soft) 100%);
  border: 1px solid var(--color-border-soft);
  padding: 14px;
  font-size: 13px;
  color: var(--color-text);
  display: flex; flex-direction: column; gap: 8px;
}
.ability-mock .row { display: flex; align-items: center; gap: 10px; }
.ability-mock .row code {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--color-text-strong);
  color: #fff;
  padding: 2px 8px; border-radius: 4px;
}
.ability-mock .lang-badges { display: flex; flex-wrap: wrap; gap: 6px; }
.ability-mock .lang-badges span {
  display: inline-flex;
  align-items: center;
  height: 26px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 400;
  color: var(--color-text);
}

/* ---------- Product matrix cards ---------- */
.product-matrix {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.product-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 36px;
  display: flex; flex-direction: column; gap: 20px;
  overflow: hidden;
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.product-card:hover { border-color: rgba(20, 110, 245, 0.40); box-shadow: var(--shadow-card-hover); transform: translateY(-3px); }
.product-card .product-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; letter-spacing: 0.10em;
  text-transform: uppercase;
  font-weight: var(--fw-bold);
  color: var(--color-primary);
}
.product-card h3 { font-size: 28px; margin: 0; letter-spacing: -0.01em; line-height: 1.2; }
.product-card .lede { color: var(--color-muted); margin: 0; font-size: 15px; line-height: 1.7; }
.product-card .features {
  display: flex; flex-direction: column; gap: 8px;
  margin: 0; padding: 0; list-style: none;
}
.product-card .features li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 14px;
  color: var(--color-text);
}
.product-card .features li::before {
  content: ""; flex-shrink: 0; width: 18px; height: 18px;
  margin-top: 2px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><circle cx='8' cy='8' r='8' fill='%23E7F0FE'/><path fill='none' stroke='%23146EF5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='M5 8.5l2 2 4.5-4.5'/></svg>") no-repeat center/contain;
}
.product-card .footer-row {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--color-divider);
}
.product-card .price-line {
  display: flex; flex-direction: column; gap: 2px;
  font-size: 13px; color: var(--color-muted);
}
.product-card .price-line strong {
  font-size: 22px;
  color: var(--color-text-strong);
  font-weight: var(--fw-extrabold);
  letter-spacing: -0.01em;
}

/* hero product card with screen mock */
.product-card--feature {
  background: linear-gradient(180deg, #F9FBFE 0%, #FFFFFF 100%);
  border-color: rgba(20, 110, 245, 0.20);
}
.product-card--feature::after {
  content: "推荐"; position: absolute; top: 24px; right: 24px;
  font-size: 11px; font-weight: var(--fw-bold);
  background: var(--color-primary); color: #fff;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.08em;
}
.product-mock {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  height: 160px;
  overflow: hidden;
  margin-top: 8px;
}
.product-mock .top {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  background: var(--color-surface-soft);
  border-bottom: 1px solid var(--color-border-soft);
}
.product-mock .top .dot { width: 8px; height: 8px; border-radius: 50%; }
.product-mock .top .url {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-muted);
  background: #fff;
  border: 1px solid var(--color-border-soft);
  padding: 3px 10px;
  border-radius: 4px;
}
.product-mock .body { padding: 16px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 12px; height: calc(100% - 38px); }
.product-mock .body .pane {
  border: 1px solid var(--color-border-soft);
  border-radius: 6px;
  padding: 10px;
  display: flex; flex-direction: column; gap: 6px;
  background: linear-gradient(180deg, #fff, var(--color-surface-soft));
}
.product-mock .body .pane .bar {
  height: 6px; border-radius: 3px;
  background: var(--color-border);
}
.product-mock .body .pane .bar.b { background: linear-gradient(90deg, var(--color-primary), var(--color-secondary)); width: 70%; }
.product-mock .body .pane .bar.l { background: var(--color-ai-lime); width: 50%; }

@media (max-width: 767px) { .product-matrix { grid-template-columns: 1fr; } }

/* ---------- "Why choose us" 5-item flow ---------- */
.flow-track {
  position: relative;
  display: flex; gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 8px 4px 24px;
  margin: 0 -4px;
}
.flow-track::-webkit-scrollbar { height: 8px; }
.flow-track::-webkit-scrollbar-track { background: var(--color-surface-soft); border-radius: 4px; }
.flow-track::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }
.flow-track > * { flex: 0 0 calc((100% - 64px) / 5); scroll-snap-align: start; }
@media (max-width: 1279px) { .flow-track > * { flex: 0 0 calc((100% - 48px) / 4); } }
@media (max-width: 1023px) { .flow-track > * { flex: 0 0 calc((100% - 32px) / 3); } }
@media (max-width: 767px)  { .flow-track > * { flex: 0 0 calc((100% - 16px) / 2); } }
@media (max-width: 479px)  { .flow-track > * { flex: 0 0 84%; } }

/* ---------- 标准化建站能力 ---------- */
.std-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 1023px) { .std-grid { grid-template-columns: 1fr; } }
.std-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex; flex-direction: column; gap: 16px;
  overflow: hidden;
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.std-card:hover { border-color: rgba(20, 110, 245, 0.40); box-shadow: var(--shadow-card-hover); }
.std-card__art {
  height: 120px;
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border-soft);
  background: linear-gradient(180deg, #F9FBFE 0%, #EEF4FA 100%);
}
.art-blocks { position: absolute; inset: 16px; display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(3, 1fr); gap: 4px; }
.art-blocks span {
  border-radius: 3px;
  background: var(--color-border);
}
.art-blocks span.h { background: var(--color-primary); }
.art-blocks span.s { background: var(--color-secondary); }
.art-blocks span.a { background: var(--color-accent); }
.art-blocks span.l { background: var(--color-ai-lime); }

.art-cloud {
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 70% at 50% 60%, rgba(20, 110, 245, 0.15), transparent 70%),
    radial-gradient(40% 60% at 20% 30%, rgba(0, 184, 217, 0.20), transparent 70%);
}
.art-cloud::before {
  content: "ECS+RDS+OSS+SLB";
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-mono);
  font-size: 14px; font-weight: var(--fw-bold);
  color: var(--color-primary-strong);
  letter-spacing: 0.04em;
  background: rgba(255, 255, 255, 0.92);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(20, 110, 245, 0.20);
  box-shadow: 0 8px 20px rgba(20, 110, 245, 0.10);
}
.art-cloud::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(20, 110, 245, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(20, 110, 245, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(ellipse 60% 70% at 50% 50%, transparent 30%, #000 70%);
}

.art-flow {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: space-around;
  padding: 0 24px;
}
.art-flow .step {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: var(--fw-bold);
  font-size: 13px;
  color: var(--color-primary-strong);
  position: relative; z-index: 2;
  box-shadow: 0 6px 16px rgba(20, 110, 245, 0.25);
}
.art-flow .step.b { background: var(--color-primary); color: #fff; }
.art-flow::before {
  content: ""; position: absolute;
  left: 24px; right: 24px; top: 50%; height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  z-index: 1;
}

.std-card h3 { margin: 0; font-size: 22px; }
.std-card p { color: var(--color-muted); margin: 0; font-size: 15px; line-height: 1.7; }

/* ---------- 合作背书 ---------- */
.partner-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 1023px) { .partner-cards { grid-template-columns: 1fr; } }
.partner-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  align-items: center;
}
@media (max-width: 539px) { .partner-card { grid-template-columns: 1fr; padding: 24px; } }
.partner-logo {
  height: 100px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-soft);
  background: linear-gradient(180deg, #F9FBFE, var(--color-surface-soft));
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  font-weight: var(--fw-extrabold);
  letter-spacing: 0.04em;
  color: var(--color-text-strong);
}
.partner-logo.aliyun { color: #FF6A00; background: linear-gradient(135deg, #FFF6EE, #FFE3CB); border-color: rgba(255, 106, 0, 0.20); }
.partner-logo.unicom { color: #E60012; background: linear-gradient(135deg, #FFEEEF, #FFD6D9); border-color: rgba(230, 0, 18, 0.20); }
.partner-card h3 { margin: 0 0 6px; font-size: 22px; }
.partner-card p { margin: 0; color: var(--color-muted); line-height: 1.7; font-size: 14px; }

/* ---------- Page hero (内页) ---------- */
.page-hero {
  padding-block: 96px 56px;
  background:
    radial-gradient(80% 60% at 80% 0%, rgba(0, 184, 217, 0.08) 0%, transparent 60%),
    radial-gradient(60% 50% at 0% 0%, rgba(20, 110, 245, 0.10) 0%, transparent 60%),
    linear-gradient(180deg, #F9FBFE 0%, #EEF4FA 100%);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(11, 18, 32, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(11, 18, 32, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 80%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .breadcrumb { margin-bottom: 24px; }
.page-hero h1 {
  font-size: var(--fs-display);
  line-height: var(--lh-display);
  margin: 0;
  letter-spacing: -0.025em;
  font-weight: var(--fw-extrabold);
  max-width: 780px;
  word-break: keep-all;
  overflow-wrap: break-word;
}
.page-hero .lede {
  margin-top: 20px;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-muted);
  max-width: 640px;
  margin-bottom: 28px;
}
.page-hero .row { gap: 16px; }
@media (max-width: 1023px) { .page-hero { padding-block: 56px 32px; } }

/* ---------- Timeline (about page) ---------- */
.timeline {
  position: relative;
  padding-left: 0;
}
.timeline ol { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline ol::before {
  content: ""; position: absolute;
  left: 12px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-secondary), transparent);
}
.timeline li {
  position: relative;
  padding-left: 44px;
  padding-bottom: 28px;
  margin: 0;
}
.timeline li::before {
  content: ""; position: absolute;
  left: 4px; top: 8px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 3px solid var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-soft);
}
.timeline li .year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.timeline li h4 { font-size: 18px; margin: 0 0 6px; color: var(--color-text-strong); }
.timeline li p { margin: 0; color: var(--color-muted); font-size: 14px; line-height: 1.7; }

/* ---------- Partner page ---------- */
.tier-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
@media (max-width: 1023px) { .tier-grid { grid-template-columns: 1fr; } }
.tier {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.tier__rank {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 4px 10px; border-radius: var(--radius-sm);
  margin-bottom: 16px;
}
.tier h3 { margin: 0 0 8px; font-size: 22px; }
.tier p { margin: 0 0 16px; color: var(--color-muted); }

/* Form layout for partner */
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-card);
}
.form-card .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 639px) { .form-card { padding: 24px; } .form-card .field-row { grid-template-columns: 1fr; } }

/* About — leadership */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 1023px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 539px)  { .team-grid { grid-template-columns: 1fr; } }
.team-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex; flex-direction: column; gap: 14px;
}
.team-card .avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  position: relative;
  overflow: hidden;
}
.team-card .avatar::before {
  content: ""; position: absolute; inset: 4px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
}
.team-card h4 { margin: 0; font-size: 18px; }
.team-card .role { color: var(--color-muted); font-size: 13px; margin: -8px 0 0; }
.team-card p { margin: 0; color: var(--color-muted); font-size: 14px; line-height: 1.7; }

/* ---------- Quick site placeholder hero ---------- */
.placeholder-section {
  text-align: center;
  padding: 64px 32px;
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
}
.placeholder-section h3 { margin: 0 0 12px; }
.placeholder-section p { color: var(--color-muted); max-width: 520px; margin-inline: auto; }

/* ---------- Showcase strip — abilities ---------- */
.assistant-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 32px;
  align-items: center;
}
@media (max-width: 1023px) { .assistant-grid { grid-template-columns: 1fr; } }
.assistant-mock {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-pop);
}
.assistant-mock__top {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 20px;
  background: var(--color-surface-soft);
  border-bottom: 1px solid var(--color-border-soft);
}
.assistant-mock__top .dot { width: 10px; height: 10px; border-radius: 50%; }
.assistant-mock__top .url {
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-muted);
  background: #fff;
  border: 1px solid var(--color-border-soft);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  flex: 1;
}
.assistant-mock__body { padding: 24px; display: flex; flex-direction: column; gap: 16px; }
.assistant-mock .conv {
  display: flex; gap: 10px; align-items: flex-start;
}
.assistant-mock .conv .ava {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  flex-shrink: 0; position: relative;
}
.assistant-mock .conv .ava::before { content: ""; position: absolute; inset: 5px; border-radius: 50%; background: #fff; }
.assistant-mock .conv .ava::after { content: ""; position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 12px; height: 12px; border-radius: 50%; background: linear-gradient(135deg, var(--color-secondary), var(--color-primary)); }
.assistant-mock .conv.user .ava { background: var(--color-text-strong); }
.assistant-mock .conv.user .ava::after { background: var(--color-ai-lime); }
.assistant-mock .conv.user { flex-direction: row-reverse; }
.assistant-mock .msg {
  background: var(--color-surface-soft);
  border: 1px solid var(--color-border-soft);
  border-radius: 14px 14px 14px 4px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.6;
  max-width: 80%;
  color: var(--color-text);
}
.assistant-mock .conv.user .msg {
  background: var(--color-primary); color: #fff;
  border-color: var(--color-primary);
  border-radius: 14px 14px 4px 14px;
}
.assistant-mock .source {
  display: inline-flex; gap: 6px; align-items: center;
  font-size: 12px; color: var(--color-muted);
  margin-top: 8px;
}
.assistant-mock .source span {
  background: #fff; border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm); padding: 2px 8px;
  color: var(--color-primary);
  font-family: var(--font-mono); font-size: 11px;
}

/* AI 网站助手卡片组：磨砂玻璃拟态 + 弥散漂浮感 */
[data-section="ai-assistant"] .stack-md .card.card--ai {
  border-radius: 28px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.88) 0%, rgba(255, 255, 255, 0.70) 100%);
  border: 1px solid rgba(255, 255, 255, 0.60);
  backdrop-filter: blur(24px) saturate(1.15);
  -webkit-backdrop-filter: blur(24px) saturate(1.15);
  box-shadow:
    0 16px 36px rgba(11, 28, 64, 0.08),
    0 6px 14px rgba(11, 28, 64, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.78);
}
[data-section="ai-assistant"] .stack-md .card.card--ai::before {
  content: none;
}

[data-section="ai-assistant"] .stack-md .card.card--ai .card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  border: 0;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow:
    0 6px 14px rgba(20, 110, 245, 0.28);
}
[data-section="ai-assistant"] .stack-md .card.card--ai .card-icon::before {
  content: none;
}
[data-section="ai-assistant"] .stack-md .card.card--ai .card-icon::after {
  content: none;
}
[data-section="ai-assistant"] .stack-md .card.card--ai .card-icon svg {
  width: 22px;
  height: 22px;
  position: relative;
  z-index: 1;
  filter: none;
}

/* AI 助手 icon 与核心优势卡片保持统一尺寸和颜色体系 */
[data-section="ai-assistant"] .stack-md .card.card--ai:nth-child(1) .card-icon {
  background: var(--color-primary);
  box-shadow: 0 6px 14px rgba(20, 110, 245, 0.28);
}
[data-section="ai-assistant"] .stack-md .card.card--ai:nth-child(2) .card-icon {
  background: var(--color-secondary);
  box-shadow: 0 6px 14px rgba(0, 184, 217, 0.28);
}
[data-section="ai-assistant"] .stack-md .card.card--ai:nth-child(3) .card-icon {
  background: var(--color-accent);
  box-shadow: 0 6px 14px rgba(255, 122, 69, 0.28);
}

/* ---------- Anchored reading nav (product detail) ---------- */
.toc-nav {
  position: relative;
  left: auto;
  top: -24px;
  display: inline-flex; flex-wrap: wrap; gap: 6px;
  padding: 10px 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.92) 100%);
  backdrop-filter: blur(12px);
  border: 0;
  border-radius: var(--radius-full);
  z-index: 10;
  margin: 0;
  transform: none;
  box-shadow:
    0 10px 22px rgba(11, 28, 64, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.92);
  width: auto;
  max-width: none;
  overflow: visible;
  white-space: nowrap;
}
[data-section="toc"] {
  display: flex;
  justify-content: center;
  height: 0;
  position: relative;
  z-index: 12;
  margin: 0;
  padding: 0;
  overflow: visible;
}
.toc-nav a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.toc-nav a:hover { background: var(--color-primary-soft); color: var(--color-primary-strong); }
.toc-nav a.is-active { background: var(--color-text-strong); color: #fff; }

/* =========================================================
   About page 2026 redesign — editorial B2B profile.
   Uses only confirmed company content from the page brief.
   ========================================================= */
.about-hero {
  position: relative;
  overflow: hidden;
  padding-block: 88px 154px;
  color: var(--color-text);
  background:
    radial-gradient(52% 70% at 88% 12%, rgba(0, 184, 217, 0.12), transparent 62%),
    radial-gradient(44% 60% at 8% 18%, rgba(20, 110, 245, 0.11), transparent 66%),
    linear-gradient(180deg, #F9FBFE 0%, #FFFFFF 78%, #F6F8FB 100%);
}
.about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(11, 18, 32, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(11, 18, 32, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  pointer-events: none;
}
.about-hero::after {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 0;
  height: 1px;
  max-width: var(--container-max);
  margin-inline: auto;
  background: linear-gradient(90deg, transparent, rgba(20, 110, 245, 0.28), rgba(0, 184, 217, 0.20), transparent);
  pointer-events: none;
}
.about-hero .container {
  position: relative;
  z-index: 1;
}
.about-breadcrumb {
  margin-bottom: 56px;
}
.about-breadcrumb,
.about-breadcrumb a {
  color: var(--color-muted);
}
.about-breadcrumb li + li::before {
  color: var(--color-muted-soft);
}
.about-hero__copy {
  max-width: 980px;
  margin-bottom: 0;
}
.about-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  margin-bottom: 18px;
  border-radius: var(--radius-full);
  padding: 7px 12px;
  color: var(--color-primary-strong);
  background: rgba(231, 240, 254, 0.94);
  font-size: var(--fs-caption);
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.about-kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-secondary);
  box-shadow: 0 0 0 4px rgba(0, 184, 217, 0.18);
}
.about-hero h1 {
  max-width: 920px;
  margin: 0;
  color: var(--color-text-strong);
  font-size: var(--fs-display);
  line-height: var(--lh-display);
  letter-spacing: -0.025em;
  font-weight: var(--fw-extrabold);
  word-break: keep-all;
  overflow-wrap: break-word;
}
.about-hero h1 span {
  display: block;
}
.about-hero h1 span:first-child {
  color: #1F2A3D;
}
.about-hero h1 span:last-child {
  color: #0B1220;
}
.about-hero h1 em {
  position: relative;
  display: inline-block;
  margin-right: 0.08em;
  font-style: normal;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 62%, var(--color-primary-strong) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.about-hero h1 em::after {
  content: "";
  position: absolute;
  left: 0.04em;
  right: 0.04em;
  bottom: 0.03em;
  height: 0.16em;
  border-radius: var(--radius-xs);
  background: linear-gradient(90deg, rgba(167, 233, 47, 0.55), rgba(0, 184, 217, 0.20));
  z-index: -1;
}
.about-metrics {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.90), rgba(255, 255, 255, 0.72)),
    radial-gradient(40% 120% at 18% 0%, rgba(20, 110, 245, 0.10), transparent 60%);
  border: 1px solid var(--color-border-soft);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.85) inset,
    0 18px 48px rgba(15, 23, 42, 0.075);
  backdrop-filter: blur(12px);
  overflow: hidden;
}
.about-metrics-float {
  position: relative;
  z-index: 4;
  margin-top: -66px;
  margin-bottom: -66px;
  pointer-events: none;
}
.about-metrics-float .about-metrics {
  pointer-events: auto;
}
.about-metrics::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-ai-lime), var(--color-accent));
}
.about-metrics::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -80px;
  top: -120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 184, 217, 0.18), transparent 64%);
  pointer-events: none;
}
.about-metric {
  position: relative;
  z-index: 1;
  min-height: 132px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  padding: 28px 30px;
  border-right: 1px solid var(--color-border-soft);
  background: transparent;
  box-shadow: none;
  isolation: isolate;
  animation: aboutMetricIn 520ms var(--ease-out) both;
  animation-delay: calc(var(--i) * 80ms);
  transition:
    transform var(--dur-base) var(--ease-spring),
    background var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}
.about-metric:last-child { border-right: 0; }
.about-metric::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(20, 110, 245, 0.08), rgba(0, 184, 217, 0.04));
  opacity: 0;
  transform: scale(0.96);
  transition:
    opacity var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-spring);
  z-index: -1;
}
.about-metric:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.42);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
}
.about-metric:hover::before {
  opacity: 1;
  transform: scale(1);
}
.about-metric strong {
  color: var(--color-text-strong);
  font-size: 42px;
  line-height: 1;
  letter-spacing: -0.035em;
  font-weight: var(--fw-extrabold);
  font-variant-numeric: tabular-nums;
  transition: color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-spring);
}
.about-metric:hover strong {
  color: var(--color-primary-strong);
  transform: translateX(2px);
}
.about-metric span {
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.5;
}
@keyframes aboutMetricIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.about-section {
  overflow: hidden;
}
.about-section__head {
  display: block;
  margin-bottom: 50px;
  text-align: center;
}
.about-section__head h2,
.about-philosophy__intro h2 {
  margin: 0;
  color: var(--color-text-strong);
  font-size: 48px;
  line-height: 1.12;
  letter-spacing: -0.02em;
}
.about-company {
  padding-top: calc(var(--section-py-desktop) + 76px);
  background:
    radial-gradient(46% 60% at 90% 10%, rgba(0, 184, 217, 0.08), transparent 62%),
    linear-gradient(180deg, #fff 0%, #F6F8FB 100%);
}
.about-company__mast {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 60px;
}
.about-company__mast h2 {
  max-width: 720px;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px 12px;
  color: var(--color-text-strong);
  font-size: 48px;
  line-height: 1.12;
  letter-spacing: -0.035em;
  font-weight: 800;
}
.about-company__mast h2 span {
  display: inline-flex;
  align-items: center;
}
.about-company__mast h2 .is-muted {
  color: rgba(11, 18, 32, 0.48);
}
.about-company__mast h2 .is-mark {
  position: relative;
  padding: 0 6px;
  color: var(--color-primary-strong);
}
.about-company__mast h2 .is-mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.08em;
  height: 0.24em;
  border-radius: var(--radius-xs);
  background: rgba(167, 233, 47, 0.52);
  z-index: -1;
}
.about-company__layout {
  margin-top: 74px;
}
.about-company__cards {
  display: grid;
  grid-template-columns: 1fr 1fr 0.82fr;
  grid-template-rows: 180px 84px;
  gap: 16px;
  min-height: 280px;
}
.intro-card {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  padding: 20px;
  background: #fff;
  box-shadow: 0 16px 42px rgba(15, 23, 42, 0.075);
}
.intro-card--feature {
  grid-column: 1;
  grid-row: 1 / 3;
  min-height: 280px;
  background:
    radial-gradient(58% 70% at 32% 20%, rgba(20, 110, 245, 0.24), transparent 60%),
    radial-gradient(42% 50% at 82% 24%, rgba(0, 184, 217, 0.22), transparent 64%),
    linear-gradient(145deg, #EAF2FF 0%, #FFFFFF 58%, #EEF4FA 100%);
}
.intro-card--feature::before {
  content: "";
  position: absolute;
  inset: 20px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.86);
  background-image:
    linear-gradient(to right, rgba(11, 18, 32, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(11, 18, 32, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 24%, transparent 84%);
}
.intro-card--feature::after {
  content: "";
  position: absolute;
  right: 20px;
  top: 20px;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background:
    linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  box-shadow: 0 16px 34px rgba(20, 110, 245, 0.22);
}
.intro-card__float {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 20px;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  padding: 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.10);
}
.intro-card__float strong,
.intro-card strong {
  display: block;
  color: var(--color-text-strong);
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.055em;
  font-weight: 650;
}
.intro-card--soft strong,
.intro-card--dark strong {
  font-size: 30px;
}
.intro-card--soft strong {
  transform: translateY(-10px);
}
.intro-card__float span,
.intro-card__label {
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.45;
  font-weight: var(--fw-semibold);
}
.intro-card--soft {
  grid-column: 3;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 180px;
  background: linear-gradient(145deg, #DFF86F 0%, #A7E92F 100%);
}
.intro-card--accent {
  grid-column: 2;
  grid-row: 1 / 3;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--color-text-strong);
  background: #F2F4F7;
}
.intro-card--photo {
  padding: 20px;
  background:
    linear-gradient(180deg, rgba(11, 18, 32, 0.06), rgba(11, 18, 32, 0.28)),
    url("../img/公司配图.png") center/cover no-repeat;
}
.intro-card--photo .intro-card__float {
  left: 20px;
  right: 20px;
  bottom: 20px;
}
.intro-card__float--stack {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 10px;
}
.intro-card__float--stack p {
  margin: 0;
}
.intro-card--dark {
  grid-column: 3;
  grid-row: 2;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  min-height: 84px;
  background: #111827;
}
.intro-card--dark strong,
.intro-card--dark .intro-card__label {
  color: #fff;
}
.intro-card--dark .intro-card__label {
  max-width: 6em;
  color: rgba(255, 255, 255, 0.68);
}
.intro-card--dark strong {
  max-width: none;
  flex: 1;
  text-align: right;
  font-size: 22px;
  line-height: 1.08;
  letter-spacing: -0.04em;
  white-space: nowrap;
}
.intro-card p {
  margin: 14px 0 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.55;
}
.intro-card--soft p {
  color: rgba(11, 18, 32, 0.72);
}
.about-prose {
  max-width: none;
  margin-inline: auto;
  padding: 0;
  border-radius: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}
.about-prose p {
  margin: 0;
  color: #263244;
  font-size: 18px;
  line-height: 1.95;
  letter-spacing: 0.01em;
}
.about-prose p + p {
  margin-top: 24px;
}

.about-history {
  color: var(--color-text);
  background:
    radial-gradient(46% 58% at 92% 8%, rgba(20, 110, 245, 0.14), transparent 66%),
    radial-gradient(38% 52% at 8% 18%, rgba(0, 184, 217, 0.10), transparent 68%),
    linear-gradient(180deg, #F8FBFF 0%, #EEF6FF 100%);
}
.about-history .about-section__head h2 {
  color: var(--color-text-strong);
}
.about-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
}
.about-timeline::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 26px;
  height: 2px;
  background: linear-gradient(90deg, rgba(20, 110, 245, 0.18), var(--color-primary), rgba(20, 110, 245, 0.18));
  pointer-events: none;
}
.about-timeline__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 22px;
  align-items: stretch;
  padding: 0;
  border-radius: var(--radius-xl);
  border: 0;
  background: transparent;
}
.about-timeline__item::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 19px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-primary);
  box-shadow: 0 0 0 6px #E7F0FE, 0 10px 22px rgba(20, 110, 245, 0.20);
  z-index: 2;
}
.about-timeline__item time {
  display: inline-flex;
  align-items: center;
  min-height: 52px;
  padding-left: 54px;
  color: var(--color-primary-strong);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.75);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.2;
  letter-spacing: -0.03em;
  font-weight: var(--fw-extrabold);
}
.about-timeline__item ul {
  flex: 1;
  margin: 0;
  padding: 24px;
  list-style: none;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, #F8FBFF 0%, #F2F7FD 100%);
  box-shadow: inset 0 0 0 1px rgba(20, 110, 245, 0.10), 0 16px 42px rgba(20, 110, 245, 0.08);
  border: 0;
}
.about-timeline__item ul::before {
  content: "";
  display: block;
  width: 28px;
  height: 4px;
  margin-bottom: 18px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}
.about-timeline__item li {
  position: relative;
  margin: 0;
  padding-left: 18px;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.75;
}
.about-timeline__item li + li {
  margin-top: 10px;
}
.about-timeline__item li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 4px #E7F0FE;
}

.about-philosophy {
  background:
    radial-gradient(34% 48% at 86% 14%, rgba(0, 184, 217, 0.16), transparent 70%),
    linear-gradient(180deg, #F6F8FB 0%, #FFFFFF 100%);
}
.about-philosophy__intro {
  display: grid;
  grid-template-columns: minmax(240px, 0.34fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  margin-bottom: 40px;
}
.about-philosophy__intro p {
  margin: 0;
  color: var(--color-muted);
  font-size: 18px;
  line-height: 1.8;
}
.about-principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.about-principle {
  position: relative;
  min-height: 340px;
  padding: 32px;
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: 0 18px 52px rgba(15, 23, 42, 0.08);
}
.about-principle--dark {
  color: #fff;
  background: linear-gradient(145deg, #0B1220, #123269);
}
.about-principle span {
  display: block;
  margin-bottom: 64px;
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
}
.about-principle--dark span {
  color: var(--color-ai-lime);
}
.about-principle h3 {
  margin: 0 0 14px;
  color: inherit;
  font-size: 30px;
  line-height: 1.15;
  letter-spacing: -0.03em;
}
.about-principle p {
  margin: 0;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.8;
}
.about-principle--dark p {
  color: rgba(255, 255, 255, 0.74);
}

.about-team {
  background:
    linear-gradient(90deg, rgba(11, 18, 32, 0.035) 1px, transparent 1px),
    #fff;
  background-size: 120px 100%;
}
.about-team__grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
  --team-progress: 1;
}
.about-team__grid[data-team-assemble] {
  perspective: 1200px;
}
.about-leader {
  grid-column: span 6;
  position: relative;
  min-height: 310px;
  padding: 18px 18px 28px;
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.08);
  overflow: hidden;
  --assemble-x: 0px;
  --assemble-y: 0px;
  --assemble-scale: 1;
  --assemble-opacity: 1;
  transform:
    translate3d(calc(var(--assemble-x) * (1 - var(--team-progress))), calc(var(--assemble-y) * (1 - var(--team-progress))), 0)
    scale(calc(var(--assemble-scale) + ((1 - var(--assemble-scale)) * var(--team-progress))));
  opacity: calc(var(--assemble-opacity) + ((1 - var(--assemble-opacity)) * var(--team-progress)));
  filter: blur(calc(5px * (1 - var(--team-progress))));
  transition:
    transform var(--dur-slow) var(--ease-spring),
    box-shadow var(--dur-slow) var(--ease-out),
    background var(--dur-base) var(--ease-out);
  will-change: transform, opacity, filter;
}
.about-team__grid[data-team-assemble] .about-leader:nth-child(1) { --assemble-x: -90px; --assemble-y: -220px; --assemble-scale: .72; --assemble-opacity: .25; }
.about-team__grid[data-team-assemble] .about-leader:nth-child(2) { --assemble-x: 90px; --assemble-y: -200px; --assemble-scale: .76; --assemble-opacity: .25; }
.about-team__grid[data-team-assemble] .about-leader:nth-child(3) { --assemble-x: -120px; --assemble-y: -80px; --assemble-scale: .68; --assemble-opacity: .35; }
.about-team__grid[data-team-assemble] .about-leader:nth-child(4) { --assemble-x: 120px; --assemble-y: -70px; --assemble-scale: .70; --assemble-opacity: .35; }
.about-team__grid[data-team-assemble] .about-leader:nth-child(5) { --assemble-x: -80px; --assemble-y: 80px; --assemble-scale: .78; --assemble-opacity: .45; }
.about-team__grid[data-team-assemble] .about-leader:nth-child(6) { --assemble-x: 80px; --assemble-y: 90px; --assemble-scale: .78; --assemble-opacity: .45; }
.about-leader:nth-child(1),
.about-leader:nth-child(2),
.about-leader:nth-child(3) {
  grid-column: span 6;
}
.about-leader:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.13);
  background: linear-gradient(180deg, #FFFFFF 0%, #F7FBFF 100%);
}
.about-leader::after {
  content: "";
  position: absolute;
  right: -92px;
  top: -96px;
  width: 340px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(20, 110, 245, 0.11) 0%, rgba(20, 110, 245, 0.065) 36%, rgba(20, 110, 245, 0.025) 58%, rgba(20, 110, 245, 0) 82%);
  filter: blur(14px);
  opacity: 0.76;
}
.about-leader__photo {
  display: block;
  width: 150px;
  height: 150px;
  object-fit: contain;
  object-position: center bottom;
  border-radius: var(--radius-xl);
  background: transparent;
  flex-shrink: 0;
  transition: transform var(--dur-slow) var(--ease-spring), filter var(--dur-base) var(--ease-out);
}
.about-leader:hover .about-leader__photo {
  transform: scale(1.045) rotate(-1deg);
  filter: saturate(1.05) contrast(1.03);
}
.about-leader__head {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}
.about-leader span {
  display: inline-flex;
  margin: 8px 0 0;
  color: var(--color-primary-strong);
  background: var(--color-primary-soft);
  border-radius: var(--radius-full);
  padding: 6px 10px;
  font-size: 13px;
  line-height: 1.4;
  font-weight: var(--fw-semibold);
  position: relative;
  z-index: 1;
}
.about-leader h3 {
  margin: 0;
  color: var(--color-text-strong);
  font-size: 28px;
  line-height: 1.12;
  letter-spacing: -0.025em;
  position: relative;
  z-index: 1;
}
.about-leader p {
  margin: 0;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.78;
  position: relative;
  z-index: 1;
  transition: color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.about-leader:hover p {
  color: #334155;
  transform: translateY(-2px);
}
@keyframes aboutLeaderIn {
  from {
    opacity: 0;
    transform: translateY(30px);
    filter: blur(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@media (max-width: 1023px) {
  .about-team__grid {
    --team-progress: 1 !important;
  }
  .about-hero {
    padding-block: 64px 146px;
  }
  .about-section__head,
  .about-philosophy__intro {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .about-hero__copy {
    max-width: 760px;
    margin-bottom: 40px;
  }
  .about-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .about-metrics-float {
    margin-top: -56px;
    margin-bottom: -56px;
  }
  .about-company {
    padding-top: calc(var(--section-py-tablet) + 66px);
  }
  .about-metric:nth-child(2) {
    border-right: 0;
  }
  .about-metric:nth-child(-n+2) {
    border-bottom: 1px solid var(--color-border-soft);
  }
  .about-hero h1 {
    font-size: var(--fs-display);
    line-height: var(--lh-display);
  }
  .about-section__head h2,
  .about-philosophy__intro h2,
  .about-company__mast h2,
  .partner-vision-cards .section-head h2 {
    font-size: 40px;
  }
  .about-prose {
    padding: 0;
  }
  .about-company__layout {
    margin-top: 58px;
  }
  .about-company__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: auto auto;
    min-height: auto;
  }
  .intro-card--feature,
  .intro-card--accent {
    grid-column: auto;
    grid-row: auto;
    min-height: 280px;
  }
  .intro-card--soft,
  .intro-card--dark {
    grid-column: auto;
    grid-row: auto;
  }
  .about-principles {
    grid-template-columns: 1fr;
  }
  .about-principle {
    min-height: auto;
  }
  .about-principle span {
    margin-bottom: 32px;
  }
  .about-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .about-timeline::before {
    display: none;
  }
  .about-leader,
  .about-leader:nth-child(1),
  .about-leader:nth-child(2),
  .about-leader:nth-child(3),
  .about-leader:nth-child(7) {
    grid-column: span 6;
  }
}
@media (max-width: 767px) {
  .about-hero {
    padding-block: 56px 134px;
  }
  .about-breadcrumb {
    margin-bottom: 40px;
  }
  .about-metrics {
    grid-template-columns: 1fr;
  }
  .about-metrics-float {
    margin-top: -48px;
    margin-bottom: -48px;
  }
  .about-company {
    padding-top: calc(var(--section-py-mobile) + 58px);
  }
  .about-metric {
    min-height: auto;
    padding: 22px 24px;
    border-right: 0;
    border-bottom: 1px solid var(--color-border-soft);
  }
  .about-metric:last-child { border-bottom: 0; }
  .about-metric:nth-child(2) { border-bottom: 1px solid var(--color-border-soft); }
  .about-hero h1 {
    font-size: var(--fs-display);
    line-height: var(--lh-display);
  }
  .about-metric strong {
    font-size: 34px;
  }
  .about-section__head {
    margin-bottom: 38px;
  }
  .about-prose {
    padding: 0;
  }
  .about-company__mast {
    align-items: center;
    text-align: center;
    margin-bottom: 60px;
  }
  .about-company__mast h2 {
    justify-content: center;
    font-size: 32px;
    line-height: 1.18;
  }
  .about-section__head h2,
  .about-philosophy__intro h2,
  .partner-vision-cards .section-head h2 {
    font-size: 32px;
    line-height: 1.18;
  }
  .about-company__cards {
    display: flex;
    flex-direction: column;
  }
  .intro-card,
  .intro-card--feature {
    min-height: 220px;
  }
  .intro-card__float {
    flex-direction: column;
    align-items: flex-start;
  }
  .intro-card__float strong,
  .intro-card strong {
    font-size: 34px;
  }
  .about-prose p,
  .about-philosophy__intro p {
    font-size: 16px;
    line-height: 1.85;
  }
  .about-timeline::before {
    display: block;
    left: 29px;
    right: auto;
    top: 20px;
    bottom: 20px;
    width: 2px;
    height: auto;
    background: linear-gradient(180deg, rgba(20, 110, 245, 0.22), rgba(0, 184, 217, 0.18));
  }
  .about-timeline__item {
    display: block;
    padding-left: 56px;
  }
  .about-timeline__item::before {
    left: 22px;
    top: 6px;
  }
  .about-timeline__item time {
    font-size: 20px;
    min-height: auto;
    padding-left: 0;
    margin-bottom: 14px;
  }
  .about-timeline__item ul {
    padding: 22px;
  }
  .about-principle {
    padding: 28px 24px;
  }
  .about-leader,
  .about-leader:nth-child(1),
  .about-leader:nth-child(2),
  .about-leader:nth-child(3),
  .about-leader:nth-child(7) {
    grid-column: span 12;
    min-height: auto;
    padding: 24px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .about-team__grid {
    --team-progress: 1 !important;
  }
  .about-metric,
  .about-principle,
  .about-leader,
  .about-timeline__item {
    animation: none;
    transition: none;
  }
  .about-metric:hover,
  .about-metric:hover strong,
  .about-leader:hover,
  .about-leader:hover .about-leader__photo,
  .about-leader:hover p {
    transform: none;
  }
}

/* =========================================================
   2026-05-08 整站卡片视觉调整：去边框 + 默认柔投影 + 强化 hover
   必须放在 pages.css 末尾，覆盖前面 .pillar / .ability-card / ... 的
   border: 1px solid var(--color-border)。
   两层投影（贴边+扩散）让卡片在白底上仍可读、保持轻柔质感。
   hover 用 spring 缓动 + 抬升 -8px + 更深扩散，让微交互更"在意"。
   ========================================================= */
.card,
.pillar,
.ability-card,
.product-card,
.std-card,
.partner-card,
.tier,
.team-card,
.form-card,
.faq-item,
.pricing-card,
.assistant-mock {
  border: 0;
  box-shadow: var(--shadow-card-soft);
  transition:
    transform var(--dur-slow) var(--ease-spring),
    box-shadow var(--dur-slow) var(--ease-out);
}
.card:hover,
.pillar:hover,
.ability-card:hover,
.product-card:hover,
.std-card:hover,
.partner-card:hover,
.tier:hover,
.team-card:hover,
.faq-item:hover,
.pricing-card:hover {
  border: 0;
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-soft-hover);
}
.faq-item[open] { border: 0; }
.pricing-card--feature { border: 0; }

.partner-vision-cards .card {
  border: 0;
  border-radius: 24px;
}

.partner-vision-cards .grid {
  gap: 14px;
}
.partner-vision-cards .section-head h2 {
  font-size: 48px;
  line-height: 1.12;
  letter-spacing: -0.02em;
}
.partner-vision-cards .section-head {
  margin-inline: auto;
  margin-bottom: 58px;
  text-align: center;
}

.is-partner .page-hero {
  padding-bottom: 106px;
}

.is-partner main > section:not(.page-hero) .section-head,
.is-partner main > section:not(.page-hero) .section-head--center {
  display: block;
  max-width: var(--container-prose);
  margin-inline: auto;
  text-align: center;
}

.is-partner main > section:not(.page-hero) .section-head h2,
.is-partner main > section:not(.page-hero) h2 {
  font-size: 48px;
  line-height: 1.12;
  text-align: center;
}

.partner-advantage-tabs {
  display: grid;
  gap: 16px;
  align-items: stretch;
}
.partner-advantage-tabs .tab-list {
  display: flex;
  gap: 0;
  padding: 0;
  border-radius: 0;
  background: transparent;
  border-bottom: 0;
  box-shadow: none;
}
.partner-advantage-tabs .tab-button {
  appearance: none;
  border: 0;
  border-radius: 0;
  padding: 20px 18px 18px;
  background: transparent;
  color: var(--color-text);
  font: inherit;
  font-weight: var(--fw-semibold);
  text-align: center;
  cursor: pointer;
  flex: 1 1 0;
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 150px;
  transition: color var(--dur-base) var(--ease-out), background var(--dur-base) var(--ease-out);
}
.partner-advantage-tabs .tab-button:hover {
  background: #F8FBFF;
  color: var(--color-primary);
}
.partner-advantage-tabs .tab-button.is-active {
  background: transparent;
  color: var(--color-primary);
  box-shadow: none;
  transform: none;
}
.partner-advantage-tabs .tab-button::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: -1px;
  height: 2px;
  border-radius: var(--radius-full);
  background: transparent;
  transition: background var(--dur-base) var(--ease-out);
}
.partner-advantage-tabs .tab-button.is-active::after {
  background: var(--color-primary);
}
.partner-advantage-tabs .tab-icon {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: currentColor;
}
.partner-advantage-tabs .tab-icon svg {
  width: 100%;
  height: 100%;
}

.partner-case-card {
  display: grid;
  grid-template-columns: minmax(240px, 0.34fr) minmax(0, 1fr);
  gap: 32px;
  max-width: 1040px;
  margin-inline: auto;
  border-radius: 24px;
  padding: 32px;
}
.partner-case-card__aside {
  padding: 24px;
  border-radius: 20px;
  background: linear-gradient(180deg, #F8FBFF 0%, #EEF6FF 100%);
}
.partner-case-card__aside h3 {
  margin: 16px 0 22px;
  font-size: 24px;
  line-height: 1.35;
}
.partner-case-card__aside dl {
  display: grid;
  gap: 12px;
  margin: 0;
}
.partner-case-card__aside dl div {
  padding-top: 12px;
  border-top: 1px solid rgba(20, 110, 245, 0.12);
}
.partner-case-card__aside dt {
  margin-bottom: 4px;
  color: var(--color-muted);
  font-size: 13px;
}
.partner-case-card__aside dd {
  margin: 0;
  color: var(--color-text);
  font-weight: var(--fw-semibold);
}
.partner-case-card__content {
  display: grid;
  gap: 18px;
}
.partner-case-card__content section {
  padding: 22px 24px;
  border-radius: 20px;
  background: #fff;
}
.partner-case-card__content h4 {
  margin: 0 0 10px;
  font-size: 18px;
}
.partner-case-card__content p {
  margin: 0;
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.8;
}
@media (max-width: 900px) {
  .partner-case-card {
    grid-template-columns: 1fr;
    padding: 22px;
  }
}

/* ---------- About history redesign ---------- */
.about-history {
  isolation: isolate;
  color: rgba(255, 255, 255, 0.86);
  background:
    radial-gradient(42% 52% at 8% 8%, rgba(20, 110, 245, 0.45), transparent 68%),
    radial-gradient(36% 48% at 88% 16%, rgba(0, 184, 217, 0.30), transparent 70%),
    radial-gradient(34% 46% at 56% 90%, rgba(167, 233, 47, 0.13), transparent 74%),
    linear-gradient(145deg, #071225 0%, #0B1830 54%, #08101F 100%);
}
.about-history::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 82% 70% at 50% 18%, #000 18%, transparent 82%);
}
.about-history::after {
  content: none;
}
.about-history__head {
  display: block;
  margin-bottom: 50px;
}
.about-history .about-section__head h2 {
  color: #fff;
  font-size: 48px;
  line-height: 1.12;
  letter-spacing: -0.02em;
}
.about-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
}
.about-timeline::before {
  content: none;
}
.about-timeline__item {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 250px;
  flex-direction: column;
  gap: 24px;
  padding: 30px;
  border-radius: 28px;
  border: 1px solid rgba(220, 228, 238, 0.88);
  background: rgba(255, 255, 255, 0.94);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.90),
    0 22px 60px rgba(3, 11, 25, 0.20);
  overflow: hidden;
  backdrop-filter: blur(16px);
  transition:
    transform var(--dur-slow) var(--ease-spring),
    border-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-slow) var(--ease-out),
    background var(--dur-base) var(--ease-out);
}
.about-timeline__item:nth-child(1),
.about-timeline__item:nth-child(2) {
  grid-column: span 6;
  min-height: 300px;
}
.about-timeline__item:nth-child(3),
.about-timeline__item:nth-child(4),
.about-timeline__item:nth-child(5) {
  grid-column: span 4;
  min-height: 230px;
}
.about-timeline__item:nth-child(1),
.about-timeline__item:nth-child(5) {
  background:
    radial-gradient(68% 80% at 18% 18%, rgba(20, 110, 245, 0.13), transparent 66%),
    radial-gradient(54% 70% at 96% 8%, rgba(167, 233, 47, 0.18), transparent 64%),
    rgba(255, 255, 255, 0.95);
}
.about-timeline__item:nth-child(2) {
  background:
    radial-gradient(78% 70% at 90% 10%, rgba(0, 184, 217, 0.13), transparent 68%),
    rgba(255, 255, 255, 0.95);
}
.about-timeline__item:nth-child(3) {
  background:
    radial-gradient(80% 72% at 4% 0%, rgba(255, 122, 69, 0.12), transparent 64%),
    rgba(255, 255, 255, 0.95);
}
.about-timeline__item:hover {
  transform: translateY(-8px);
  border-color: rgba(20, 110, 245, 0.22);
  background:
    radial-gradient(80% 90% at 22% 12%, rgba(20, 110, 245, 0.14), transparent 68%),
    rgba(255, 255, 255, 0.98);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.94),
    0 30px 74px rgba(3, 11, 25, 0.24),
    0 0 34px rgba(20, 110, 245, 0.12);
}
.about-timeline__item::before {
  content: "";
  position: absolute;
  left: 30px;
  top: 30px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid rgba(7, 18, 37, 0.9);
  box-shadow:
    0 0 0 7px rgba(20, 110, 245, 0.14),
    0 0 26px rgba(20, 110, 245, 0.38);
  z-index: 2;
}
.about-timeline__item::after {
  content: none;
}
.about-timeline__item time {
  position: relative;
  z-index: 1;
  display: block;
  min-height: 0;
  padding: 34px 0 0;
  color: var(--color-text-strong);
  text-shadow: none;
  font-family: var(--font-sans);
  font-size: 38px;
  line-height: 1;
  letter-spacing: -0.055em;
  font-weight: 800;
}
.about-timeline__item ul {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  margin: auto 0 0;
  padding: 0;
  list-style: none;
  border-radius: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}
.about-timeline__item ul::before {
  content: "";
  width: 44px;
  height: 3px;
  margin-bottom: 18px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  box-shadow: 0 0 18px rgba(20, 110, 245, 0.22);
}
.about-timeline__item li {
  position: relative;
  margin: 0;
  padding-left: 18px;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.78;
}
.about-timeline__item li + li {
  margin-top: 10px;
}
.about-timeline__item li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.84em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(20, 110, 245, 0.10);
}
@media (max-width: 1023px) {
  .about-history__head {
    display: block;
  }
  .about-history .about-section__head h2 {
    font-size: 40px;
  }
  .about-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .about-timeline::before {
    display: none;
  }
  .about-timeline__item,
  .about-timeline__item:nth-child(1),
  .about-timeline__item:nth-child(2),
  .about-timeline__item:nth-child(3),
  .about-timeline__item:nth-child(4),
  .about-timeline__item:nth-child(5) {
    grid-column: auto;
    min-height: 250px;
  }
  .about-timeline__item:nth-child(1),
  .about-timeline__item:nth-child(5) {
    grid-column: 1 / -1;
  }
}
@media (max-width: 767px) {
  .about-history__head {
    margin-bottom: 46px;
  }
  .about-history .about-section__head h2 {
    font-size: 32px;
  }
  .about-timeline {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .about-timeline::before {
    display: none;
  }
  .about-timeline__item,
  .about-timeline__item:nth-child(1),
  .about-timeline__item:nth-child(5) {
    min-height: auto;
    padding: 24px 22px 24px 58px;
    border-radius: 22px;
  }
  .about-timeline__item::before {
    left: 24px;
    top: 28px;
  }
  .about-timeline__item time,
  .about-timeline__item:nth-child(1) time,
  .about-timeline__item:nth-child(5) time {
    padding-top: 0;
    font-size: 30px;
  }
  .about-timeline__item ul {
    margin-top: 28px;
    justify-content: flex-start;
  }
}
.partner-advantage-tabs .tab-panels {
  min-width: 0;
}
.partner-advantage-tabs .tab-panel {
  min-height: 100%;
  padding: 28px;
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow-card-soft);
}
.partner-advantage-tabs .tab-panel h3 {
  margin-bottom: 18px;
}
.partner-advantage-tabs .advantage-list {
  display: grid;
  gap: 14px;
}
.partner-advantage-tabs .advantage-list section {
  padding: 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, #F8FBFF 0%, #F2F7FD 100%);
}
.partner-advantage-tabs .advantage-list h4 {
  margin: 0 0 8px;
  font-size: 16px;
}
.partner-advantage-tabs .advantage-list h4::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 2px;
  background: var(--color-primary);
  vertical-align: 2px;
}
.partner-advantage-tabs .advantage-list p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.8;
}
@media (max-width: 900px) {
  .partner-advantage-tabs .tab-list {
    overflow-x: auto;
    flex-wrap: nowrap;
  }
  .partner-advantage-tabs .tab-button {
    white-space: nowrap;
    flex: 0 0 auto;
  }
}

.partner-advantage-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(720px 360px at 12% 18%, rgba(20, 110, 245, 0.10), transparent 62%),
    radial-gradient(580px 340px at 88% 42%, rgba(0, 184, 217, 0.11), transparent 64%),
    linear-gradient(180deg, #FFFFFF 0%, #F3F8FE 100%);
}
.partner-advantage-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(20, 110, 245, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(20, 110, 245, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 72% 58% at 50% 28%, #000 18%, transparent 78%);
  pointer-events: none;
}
.partner-advantage-section .container,
.partner-case-section .container {
  position: relative;
  z-index: 1;
}
.partner-advantage-section .section-head,
.partner-case-section .section-head {
  max-width: none;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}
.partner-case-section .section-head--center {
  display: block;
  max-width: var(--container-prose);
  margin-inline: auto;
  text-align: center;
}
.partner-advantage-tabs {
  gap: 24px;
}
.partner-advantage-tabs .tab-list {
  position: relative;
  padding: 0;
  border-radius: 26px;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}
.partner-advantage-tabs .tab-list::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 7px;
  height: 1px;
  background: rgba(20, 110, 245, 0.18);
}
.partner-advantage-tabs .tab-button {
  z-index: 1;
  border-radius: 20px;
  padding: 18px 14px 16px;
}
.partner-advantage-tabs .tab-button:hover {
  background: transparent;
}
.partner-advantage-tabs .tab-button.is-active {
  background: transparent;
  box-shadow: none;
}
.partner-advantage-tabs .tab-button::after {
  left: 28%;
  right: 28%;
  bottom: 7px;
  height: 3px;
}
.partner-advantage-tabs .tab-icon {
  width: 68px;
  height: 68px;
}
.partner-advantage-tabs .tab-icon svg * {
  stroke-width: 3px;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}
.partner-advantage-tabs .tab-panel {
  position: relative;
  overflow: hidden;
  padding: 0;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(11, 18, 32, 0.98) 0%, rgba(14, 48, 106, 0.96) 52%, rgba(14, 111, 148, 0.92) 100%);
  box-shadow: 0 28px 70px rgba(11, 28, 64, 0.18);
}
.partner-advantage-tabs .tab-panel::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -140px;
  top: -190px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(167, 233, 47, 0.34), transparent 68%);
}
.partner-advantage-tabs .tab-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(120deg, #000 0%, transparent 76%);
  pointer-events: none;
}
.partner-advantage-tabs .tab-panel__head {
  position: relative;
  z-index: 1;
  padding: 32px 34px 24px;
  color: #fff;
}
.partner-advantage-tabs .tab-panel__kicker {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  background: rgba(167, 233, 47, 0.16);
  color: #C8FF66;
  font-size: 12px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.partner-advantage-tabs .tab-panel h3 {
  margin: 0 0 10px;
  color: #fff;
  font-size: 30px;
}
.partner-advantage-tabs .tab-panel__head p {
  max-width: 720px;
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
  line-height: 1.7;
}
.advantage-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.advantage-metrics span {
  padding: 8px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.88);
  font-size: 13px;
  font-weight: var(--fw-semibold);
}
.partner-advantage-tabs .advantage-list {
  position: relative;
  z-index: 1;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  padding: 0 24px 24px;
}
.partner-advantage-tabs .advantage-list section {
  min-height: 100%;
  padding: 22px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.10);
}
.partner-advantage-tabs .advantage-list h4 {
  color: var(--color-text);
  font-size: 17px;
}
.partner-advantage-tabs .advantage-list h4::before {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  box-shadow: 0 0 0 4px rgba(20, 110, 245, 0.12);
}
.partner-case-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(640px 320px at 82% 16%, rgba(255, 122, 69, 0.10), transparent 66%),
    linear-gradient(180deg, #F4F8FD 0%, #EEF5FB 100%);
}
.partner-case-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(20, 110, 245, 0.06) 0 25%, transparent 25% 100%);
  pointer-events: none;
}
.partner-case-card {
  position: relative;
  overflow: hidden;
  grid-template-columns: minmax(280px, 0.38fr) minmax(0, 1fr);
  gap: 0;
  max-width: var(--container-max);
  padding: 0;
  background: #fff;
  box-shadow: 0 30px 80px rgba(11, 28, 64, 0.12);
}
.partner-case-card__aside {
  position: relative;
  overflow: hidden;
  min-height: 100%;
  padding: 34px;
  border-radius: 24px 0 0 24px;
  background:
    radial-gradient(260px 260px at 100% 0%, rgba(0, 184, 217, 0.28), transparent 70%),
    linear-gradient(160deg, #0B1220 0%, #123C84 62%, #146EF5 100%);
  color: #fff;
}
.partner-case-card__aside::after {
  content: "";
  position: absolute;
  inset: auto -60px -90px auto;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 50%;
}
.partner-case-card__mark {
  width: 100%;
  height: 75px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  margin-inline: auto;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 12px 26px rgba(0,0,0,0.12);
}
.partner-case-card__mark img {
  max-width: 190px;
  max-height: 48px;
  object-fit: contain;
}
.partner-case-card__aside .tag {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.partner-case-card__aside h3 {
  position: relative;
  z-index: 1;
  margin: 16px 0 22px;
  color: #fff;
  font-size: 28px;
}
.partner-case-card__stats {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2px;
  margin: 0 0 24px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.12);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.13);
}
.partner-case-card__stats strong {
  color: #C8FF66;
  font-size: 34px;
  line-height: 1;
}
.partner-case-card__stats span {
  color: rgba(255,255,255,0.72);
  font-size: 13px;
}
.partner-case-card__aside dl div {
  border-top-color: rgba(255, 255, 255, 0.16);
}
.partner-case-card__aside dt {
  color: rgba(255,255,255,0.58);
}
.partner-case-card__aside dd {
  color: #fff;
}
.partner-case-card__content {
  padding: 30px;
  background:
    radial-gradient(420px 220px at 90% 12%, rgba(167, 233, 47, 0.12), transparent 65%),
    #fff;
}
.partner-case-card__content section {
  position: relative;
  padding: 26px 28px;
  border-radius: 24px;
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FBFF 100%);
  box-shadow: 0 12px 34px rgba(11, 28, 64, 0.06);
}
.case-section-label {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--color-primary);
  font-size: 12px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.10em;
  text-transform: uppercase;
}
.partner-case-card__content h4 {
  font-size: 21px;
}
@media (max-width: 900px) {
  .partner-advantage-section .section-head,
  .partner-case-section .section-head {
    display: block;
  }
  .partner-advantage-tabs .advantage-list {
    grid-template-columns: 1fr;
  }
  .partner-case-card {
    grid-template-columns: 1fr;
    padding: 0;
  }
  .partner-case-card__aside {
    border-radius: 24px 24px 0 0;
  }
}

.is-partner main > section:not(.page-hero) .section-head {
  display: block;
  max-width: var(--container-prose);
  margin-inline: auto;
  text-align: center;
}
.is-partner main > section:not(.page-hero) h2 {
  font-size: 48px;
  line-height: 1.12;
  text-align: center;
}
.is-partner #apply h2 {
  font-size: 48px;
  line-height: 1.12;
  text-align: left;
}

/* 按钮 hover 动效加强 —— 抬升 + 阴影 + 内部微缩放 */
.btn { transition:
  background var(--dur-base) var(--ease-out),
  color var(--dur-base) var(--ease-out),
  border-color var(--dur-base) var(--ease-out),
  transform var(--dur-base) var(--ease-spring),
  box-shadow var(--dur-base) var(--ease-out);
}
.btn:not(.btn--secondary):hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(20, 110, 245, 0.28); }
.btn:not(.btn--secondary):active { transform: translateY(0); }
.btn .arrow { transition: transform var(--dur-base) var(--ease-spring); }
.btn:hover .arrow { transform: translateX(4px); }

/* Hero canvas 浮起 — hover 时轻微 3D 跟随 */
.canvas__plane {
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.canvas:hover .canvas__plane {
  transform: rotateY(-2deg) rotateX(1deg) translateZ(8px);
}

/* pillar 自带 spring 缓动；具体 icon 微动效在 page-home.css 内 */
.pillar { transition: transform var(--dur-slow) var(--ease-spring), box-shadow var(--dur-slow) var(--ease-out); }