/* ==========================================================================
   nanhu web theme · home.css
   首屏 Hero / 官方社群 / 产品与服务 / AI 模型 / 服务能力 / 部署路径 / CTA / 页脚
   + 全站响应式（PC / 平板 / 手机端）
   ========================================================================== */

/* ============================ ① Hero 首屏 ============================ */
.cloud-home-page .enterprise-hero {
  position: relative;
  min-height: 560px;
  background: #fff1e5 !important;
  border-bottom: 1px solid #f2decb;
  overflow: hidden;
  isolation: isolate;
}
.cloud-home-page .enterprise-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.18;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(36, 118, 146, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 118, 146, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(90deg, black 0 70%, transparent 100%);
  mask-image: linear-gradient(90deg, black 0 70%, transparent 100%);
}

.hero-bg-fx { position: absolute; inset: 0; z-index: -1; pointer-events: none; }

.hero-glow-blob {
  position: absolute;
  border-radius: 50%;
}
.hero-glow-blob-1 {
  width: 460px;
  height: 460px;
  top: -160px;
  right: -80px;
  background: radial-gradient(circle, rgba(255, 166, 90, 0.4), transparent 65%);
}
.hero-glow-blob-2 {
  width: 420px;
  height: 420px;
  bottom: -180px;
  left: -120px;
  background: radial-gradient(circle, rgba(125, 85, 216, 0.18), transparent 65%);
}

.cloud-home-page .hero-layout {
  display: grid;
  grid-template-columns: minmax(380px, 0.96fr) minmax(460px, 1.04fr);
  align-items: center;
  gap: 46px;
  max-width: 1180px;
  min-height: 560px;
  padding-block: 38px 30px;
  position: relative;
}

/* ---------- 右侧文案 ---------- */
.cloud-home-page .hero-copy h1 {
  font-size: clamp(40px, 4.2vw, 58px);
  line-height: 1.15;
  letter-spacing: -0.05em;
  font-weight: 800;
  margin: 0 0 16px;
}
.cloud-home-page .hero-copy h1 span.hero-line-a {
  display: block;
  background-image: linear-gradient(100deg, #b92f72 0%, #d4548f 52%, #a81f5c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cloud-home-page .hero-copy h1 span.hero-line-b {
  display: block;
  background-image: linear-gradient(100deg, #4e2b9e 0%, #7d55d8 52%, #4b26a2 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.cloud-home-page .hero-eyebrow-row { margin-bottom: 14px; }
.cloud-home-page .hero-copy .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  border: 1px solid #f0c9ad;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.72);
  color: #ab4a12;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: none;
}
.eyebrow-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #e56721;
  box-shadow: 0 0 0 0 rgba(229, 103, 33, 0.5);
  animation: fxPulse 2s infinite;
}

.cloud-home-page .hero-copy > p {
  max-width: 440px;
  margin: 0 0 24px;
  font-size: 15.5px;
  line-height: 1.85;
  color: #5a4f48;
}

.cloud-home-page .hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 0 28px;
  flex-wrap: wrap;
}
.cloud-home-page .hero-actions .primary-link,
.cloud-home-page .hero-actions .text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.cloud-home-page .hero-actions .primary-link:hover,
.cloud-home-page .hero-actions .text-link:hover { transform: translateY(-2px); }
.cloud-home-page .hero-actions .primary-link {
  background: linear-gradient(110deg, #bb457e 0%, #89285c 48%, #6d1b46 100%);
  border: 1px solid #ab3f73;
  color: #fff !important;
  box-shadow: 0 10px 24px rgba(137, 40, 92, 0.28), 0 2px 6px rgba(0, 0, 0, 0.06);
}
.cloud-home-page .hero-actions .text-link {
  background: linear-gradient(110deg, #623db8 0%, #442294 48%, #311575 100%);
  border: 1px solid #5833a6;
  color: #fff !important;
  box-shadow: 0 10px 24px rgba(68, 34, 148, 0.26), 0 2px 6px rgba(0, 0, 0, 0.06);
}
.btn-icon { display: inline-flex; }
.btn-icon svg {
  width: 16px; height: 16px;
  fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

/* ---------- Hero 指标卡 ---------- */
.hero-metric-deck {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 560px;
}
.metric-card {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid #f3ddc8;
  border-radius: 10px;
}
.metric-status-dot {
  width: 7px;
  height: 7px;
  margin-top: 6px;
  border-radius: 50%;
  background: #23b26d;
  box-shadow: 0 0 0 0 rgba(35, 178, 109, 0.4);
  animation: fxPulse 2.4s infinite;
  flex-shrink: 0;
}
.metric-body strong { display: block; font-size: 13px; font-weight: 700; color: #3b312b; }
.metric-body small { display: block; font-size: 11px; color: #9a8d84; line-height: 1.5; }

/* ---------- Hero 视觉区 ---------- */
.hero-visual-zone { position: relative; min-height: 480px; }

.hero-portrait {
  position: absolute;
  inset: 20px 10px 10px 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-portrait img {
  position: relative;
  z-index: 2;
  max-height: 460px;
  width: auto;
  border-radius: 24px;
  object-fit: cover;
  box-shadow: 0 30px 60px rgba(120, 70, 30, 0.18);
}
.portrait-glow {
  position: absolute;
  inset: 6% 10%;
  background: radial-gradient(circle at 50% 45%, rgba(255, 170, 96, 0.45), transparent 70%);
  z-index: 1;
}
.portrait-radar-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border: 1px dashed rgba(171, 74, 18, 0.28);
  border-radius: 50%;
  z-index: 0;
}
.portrait-radar-ring.ring-1 { width: 380px; height: 380px; }
.portrait-radar-ring.ring-2 { width: 300px; height: 300px; border-style: solid; border-color: rgba(78, 43, 158, 0.14); }

/* ---------- Hero HUD 悬浮芯片 ---------- */
[class^="hero-hud-cluster"] { position: absolute; z-index: 3; }

.hero-hud-cluster-top-right { top: 6px; right: -8px; }
.hero-hud-cluster-bottom-left { bottom: 4px; left: -12px; }
.hero-hud-cluster-bottom-right { bottom: 96px; right: -14px; }

.hero-hud-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid #f1dcc6;
  border-radius: 12px;
  box-shadow: 0 14px 30px rgba(120, 70, 30, 0.12);
}
.hud-chip-icon {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  background: #fff1e5;
  color: #b54108;
  flex-shrink: 0;
}
.hud-chip-icon.icon-gpu { background: #ede6ff; color: #6544cf; }
.hud-chip-icon.icon-server { background: #e2efff; color: #2469c7; }
.hud-chip-icon svg {
  width: 16px; height: 16px;
  fill: none; stroke: currentColor;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.hud-chip-label { font-size: 9.5px; letter-spacing: 0.14em; color: #b0a196; font-weight: 700; }
.hud-chip-val {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 700;
  color: #3b312b;
  white-space: nowrap;
}
.pulse-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #23b26d;
  animation: fxPulse 2s infinite;
}
.pulse-indicator.pulse-purple { background: #7d55d8; }

.hud-sub-chips { display: flex; flex-direction: column; gap: 6px; margin: 8px 0 0 14px; }
.hud-sub-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid #f4e5d4;
  border-radius: 99px;
  font-size: 11px;
  color: #6d5f55;
  width: fit-content;
  box-shadow: 0 6px 14px rgba(120, 70, 30, 0.06);
  white-space: nowrap;
}
.hud-sub-chip strong { color: #3b312b; }
.sub-chip-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.dot-cn2 { background: #2f6fed; }
.dot-9929 { background: #f47a20; }
.dot-cmin2 { background: #16a34a; }
.dot-gpu-a100 { background: #7d55d8; }
.dot-gpu-llm { background: #ba4059; }
.dot-gpu-nvlink { background: #285dc8; }
.dot-server-cn { background: #e56721; }
.dot-server-asia { background: #23b26d; }
.dot-server-us { background: #2f6fed; }
.dot-server-de { background: #b54108; }
.dot-server-uk { background: #7d55d8; }
.dot-server-fr { background: #ba4059; }

/* ============================ ② 官方社群 ============================ */
.qq-community {
  padding-block: 64px 0;
}
.qq-community-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 26px;
}
.qq-head-copy h2 {
  margin-top: 8px;
  font-size: 32px;
  letter-spacing: -1.2px;
  font-weight: 650;
  color: var(--heading);
}
.qq-head-meta .meta-tip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  color: #98a0aa;
}
.qq-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #23b26d;
  animation: fxPulse 2s infinite;
}

.qq-community-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.qq-group-card {
  position: relative;
  padding: 20px 22px;
  border: 1px solid var(--qq-edge);
  border-top: 3px solid var(--qq-main);
  border-radius: 4px;
  background: #fff;
  box-shadow: 0 8px 20px rgba(25, 46, 53, 0.05);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.qq-group-card:hover { transform: translateY(-3px); box-shadow: 0 16px 30px rgba(25, 46, 53, 0.12); }
.qq-theme-blue { --qq-main: #2f6fed; --qq-soft: #eef4ff; --qq-edge: #bcd3f6; }
.qq-theme-orange { --qq-main: #f47a20; --qq-soft: #fff3e8; --qq-edge: #f6cfa6; }
.qq-theme-emerald { --qq-main: #16a34a; --qq-soft: #eafaf1; --qq-edge: #a8e2c0; }
.qq-card-featured { box-shadow: 0 14px 32px rgba(244, 122, 32, 0.16); }

.qq-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.qq-card-header .item-name { font-size: 13px; font-weight: 700; color: #5d6673; }
.qq-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 600;
  background: #f2f4f7;
  color: #8a9297;
}
.qq-card-badge.status-full { background: #f2f4f7; color: #98a0aa; }
.qq-card-badge.status-active { background: var(--qq-soft); color: var(--qq-main); }
.qq-card-badge.status-standby { background: #eef4ff; color: #2f6fed; }
.status-pulse-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: fxPulse 2s infinite;
}

.qq-num-wrap { margin-bottom: 14px; }
.qq-card-num {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--qq-main);
  font-variant-numeric: tabular-nums;
}

.qq-card-footer { display: flex; align-items: center; }
.qq-card-action {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border-radius: 6px;
  background: var(--qq-soft);
  color: var(--qq-main);
  font-size: 12px;
  font-weight: 650;
  transition: background 0.2s, color 0.2s;
}
.qq-copy-icon {
  width: 13px; height: 13px;
  fill: none; stroke: currentColor;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.qq-card-action b { font-weight: 650; }
.qq-action-done { display: none; }
.qq-group-card.copied .qq-card-action { background: #e8f8ef; color: #16a34a; }
.qq-group-card.copied .qq-action-idle { display: none; }
.qq-group-card.copied .qq-action-done { display: inline; }

/* ============================ ③ 产品与服务 ============================ */
.cloud-home-page #cloud-products { padding-block: 84px 24px; }
.cloud-home-page #cloud-products .cloud-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}
.cloud-home-page #cloud-products .cloud-product-card {
  display: flex;
  flex-direction: column;
  min-height: 240px;
  padding: 26px 22px 20px;
  border: 1px solid var(--edge);
  border-top: 3px solid var(--accent);
  border-radius: 4px;
  background: #fff;
  box-shadow: 0 8px 20px rgba(25, 46, 53, 0.05);
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.cloud-home-page #cloud-products .cloud-product-card:hover {
  background: linear-gradient(145deg, var(--soft), #fff);
  box-shadow: 0 18px 30px rgba(25, 46, 53, 0.12);
  transform: translateY(-3px);
}

#cloud-products .cloud-product-card:nth-child(8n+1) { --accent: #b54108; --soft: #ffdbb9; --surface: #fff0df; --edge: #efb982; }
#cloud-products .cloud-product-card:nth-child(8n+2) { --accent: #185cae; --soft: #cce3ff; --surface: #eaf3ff; --edge: #9bc4ef; }
#cloud-products .cloud-product-card:nth-child(8n+3) { --accent: #763bb3; --soft: #e4d0fb; --surface: #f4eaff; --edge: #c7a7e9; }
#cloud-products .cloud-product-card:nth-child(8n+4) { --accent: #08776a; --soft: #bdebdc; --surface: #e4f8ee; --edge: #8acdbb; }
#cloud-products .cloud-product-card:nth-child(8n+5) { --accent: #b93439; --soft: #ffd0cb; --surface: #ffebe5; --edge: #ecaaa6; }
#cloud-products .cloud-product-card:nth-child(8n+6) { --accent: #895708; --soft: #ffe49f; --surface: #fff5d4; --edge: #e4c370; }
#cloud-products .cloud-product-card:nth-child(8n+7) { --accent: #4356ad; --soft: #d3dafe; --surface: #eceeff; --edge: #aab6e6; }
#cloud-products .cloud-product-card:nth-child(8n+8) { --accent: #ad2c6d; --soft: #facbe0; --surface: #ffebf5; --edge: #e9a4c6; }

.cloud-product-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  border-radius: 12px;
  background: var(--surface);
  color: var(--accent);
}
.cloud-product-icon svg {
  width: 24px; height: 24px;
  fill: none; stroke: currentColor;
  stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round;
}
.cloud-product-card small {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent);
  opacity: 0.75;
}
.cloud-product-card h3 {
  margin: 6px 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: #29313a;
}
.cloud-product-card p {
  font-size: 13px;
  line-height: 1.8;
  color: #6b7480;
}
.cloud-product-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}
.cloud-product-card ul li {
  padding: 3px 8px;
  border-radius: 4px;
  background: #f6f8fa;
  color: #5d6673;
  font-size: 12px;
}
.cloud-home-page .card-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  margin-top: auto;
  padding: 7px 12px;
  border: 1px solid var(--edge);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.65);
  color: var(--accent);
  font-size: 12px;
  font-weight: 650;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.cloud-home-page .card-btn i { font-style: normal; }
#cloud-products .cloud-product-card:hover .card-btn {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ============================ ④ AI 大模型 ============================ */
.ai-model-section { padding-block: 76px; background: #fbfbfd; }
.ai-model-intro { display: flex; align-items: center; gap: 18px; }
.ai-model-count { font-size: 34px; font-weight: 800; color: var(--heading); line-height: 1; }
.ai-model-count small { font-size: 12px; font-weight: 500; color: #98a0aa; margin-left: 4px; }
.ai-model-intro p { font-size: 13.5px; color: var(--txtdesc); line-height: 1.9; }

.ai-model-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.ai-model-card {
  --model-color: #345ee8;
  --model-soft: #e6edff;
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.ai-model-card:hover { transform: translateY(-3px); box-shadow: 0 14px 28px rgba(25, 46, 53, 0.09); }
.ai-model-monogram {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--model-soft);
  color: var(--model-color);
  font-size: 15px;
  font-weight: 800;
}
.ai-model-card h3 { font-size: 15px; font-weight: 700; color: #29313a; }
.ai-model-card p { font-size: 12px; color: #8a9297; }
.ai-model-line {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: var(--model-color);
  opacity: 0.65;
}
.ai-model-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: 10px;
  background: #f5f6f8;
}
.ai-model-disclaimer span {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 700;
  color: #5d6673;
}
.ai-model-disclaimer p { font-size: 12px; color: #8a9297; line-height: 1.9; }

/* ============================ ⑤ 服务能力 ============================ */
.cloud-service { padding-block: 84px; }
.service-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.6fr);
  gap: 44px;
  align-items: start;
}
.service-intro h2 {
  margin: 10px 0 14px;
  font-size: 36px;
  letter-spacing: -1.6px;
  line-height: 1.3;
  font-weight: 650;
  color: var(--heading);
}
.service-intro p { font-size: 14px; color: var(--txtdesc); line-height: 1.95; }
.service-intro .text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  color: var(--btn-orange);
  font-weight: 650;
  font-size: 14px;
}
.service-intro .text-link span { transition: transform 0.2s ease; }
.service-intro .text-link:hover span { transform: translateX(4px); }
.service-intro small {
  display: block;
  margin-top: 20px;
  color: #a0a7ad;
  font-size: 12px;
  line-height: 1.9;
}

.cloud-service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.cloud-service-grid article {
  display: flex;
  gap: 14px;
  padding: 22px 20px;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(25, 46, 53, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.cloud-service-grid article:hover { transform: translateY(-3px); box-shadow: 0 14px 26px rgba(25, 46, 53, 0.09); }
.cloud-service-grid article > span {
  font-size: 13px;
  font-weight: 800;
  color: var(--Original);
  letter-spacing: 0.04em;
}
.cloud-service-grid h3 { font-size: 15px; font-weight: 700; color: #29313a; margin-bottom: 5px; }
.cloud-service-grid p { font-size: 13px; color: #6b7480; line-height: 1.8; }

/* ============================ ⑥ 部署路径 ============================ */
.enterprise-workflow { padding-block: 24px 84px; }
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.workflow-grid article {
  padding: 26px 24px;
  border-radius: 14px;
  border: 1px solid #f4e2d3;
  background: linear-gradient(160deg, #fff7f0, #fff);
}
.workflow-grid article > span {
  display: block;
  margin-bottom: 10px;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: rgba(250, 84, 28, 0.32);
}
.workflow-grid h3 { font-size: 16px; font-weight: 700; color: #29313a; margin-bottom: 8px; }
.workflow-grid p { font-size: 13px; color: #6b7480; line-height: 1.85; }

/* ============================ ⑦ 底部 CTA ============================ */
.enterprise-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-block: 20px 90px;
  padding: 44px 48px;
  border-radius: 20px;
  border: 1px solid #f6dcc4;
  background: linear-gradient(120deg, #fff4e9, #ffe9d6);
}
.enterprise-cta h2 {
  margin-top: 10px;
  font-size: 34px;
  line-height: 1.3;
  letter-spacing: -1.4px;
  font-weight: 650;
  color: #3a2a20;
}
.enterprise-cta .cta-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.enterprise-cta .primary-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 20px;
  border: 1px solid var(--btn-orange);
  border-radius: 7px;
  background: var(--btn-orange);
  color: #fff;
  font-size: 14px;
  font-weight: 650;
  box-shadow: rgba(212, 95, 32, 0.16) 0 10px 20px;
  transition: background 0.2s, transform 0.2s;
}
.enterprise-cta .primary-link:hover { background: var(--btn-orange-hover); transform: translateY(-2px); }
.enterprise-cta .text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 13px 6px;
  color: #8a5a3a;
  font-weight: 650;
  font-size: 14px;
}
.enterprise-cta .text-link:hover { color: var(--btn-orange); }

/* ============================ ⑧ 页脚 ============================ */
.cloud-footer {
  border-top: 1px solid var(--line-soft);
  background: #fafbfc;
}
.cloud-footer-grid {
  display: grid;
  grid-template-columns: minmax(240px, 1.4fr) repeat(4, minmax(110px, 1fr));
  gap: 28px;
  padding: 52px 0 14px;
}
.cloud-footer-brand img { max-height: 38px; margin-bottom: 14px; }
.cloud-footer-brand p { font-size: 13px; font-weight: 650; color: #5d6673; margin-bottom: 6px; }
.cloud-footer-brand span { font-size: 12px; color: #9aa3ab; line-height: 1.9; }
.cloud-footer-col h4 { font-size: 13.5px; font-weight: 700; color: #29313a; margin-bottom: 14px; }
.cloud-footer-col a,
.cloud-footer-col span {
  display: block;
  font-size: 12.5px;
  color: #8a9297;
  line-height: 2.1;
  transition: color 0.2s;
}
.cloud-footer-col a:hover { color: var(--Original); }

.cloud-footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 20px 0 26px;
  font-size: 10px;
  color: #8a9297;
}
.cloud-footer-bottom > div { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cloud-footer-bottom a { color: #8a9297; transition: color 0.2s; }
.cloud-footer-bottom a:hover { color: var(--Original); }
.cloud-footer-bottom > span { letter-spacing: 0.18em; }

/* ============================ 动画 ============================ */
/* 呼吸点：改用 opacity + transform（合成层动画），避免每帧重绘 box-shadow */
@keyframes fxPulse {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(1.3); }
  100% { opacity: 1; transform: scale(1); }
}

/* ==========================================================================
   全站响应式
   ========================================================================== */
@media (max-width: 1180px) {
  .hero-hud-cluster-top-right { right: 0; }
  .hero-hud-cluster-bottom-left { left: 0; }
  .hero-hud-cluster-bottom-right { right: 0; }
}

@media (max-width: 1100px) {
  .cloud-home-page .hero-copy h1 { font-size: 42px; }
  .cloud-home-page .hero-layout { gap: 30px; }
  .ai-model-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .service-layout { grid-template-columns: 1fr; gap: 30px; }
  .cloud-footer-grid { grid-template-columns: minmax(220px, 1.2fr) repeat(2, minmax(120px, 1fr)); row-gap: 34px; }
}

@media (max-width: 900px) {
  .cloud-home-page .hero-layout {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-block: 34px 40px;
  }
  .hero-visual-zone { min-height: 380px; order: 1; max-width: 480px; margin: 0 auto; width: 100%; }
  .hero-portrait { inset: 0; }
  .hero-portrait img { max-height: 340px; }
  .portrait-radar-ring.ring-1 { width: 300px; height: 300px; }
  .portrait-radar-ring.ring-2 { width: 236px; height: 236px; }
  .cloud-home-page .hero-copy { order: 2; text-align: center; display: flex; flex-direction: column; align-items: center; }
  .cloud-home-page .hero-copy > p { margin-left: auto; margin-right: auto; }
  .hero-metric-deck { justify-content: center; }
  .qq-community-grid { grid-template-columns: 1fr; }
  .ai-model-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ai-model-intro { flex-direction: column; align-items: flex-start; gap: 10px; }
  .cloud-service-grid { grid-template-columns: 1fr; }
  .workflow-grid { grid-template-columns: 1fr; }
  .enterprise-cta { flex-direction: column; align-items: flex-start; padding: 32px 24px; margin-bottom: 64px; }
  .cloud-footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cloud-footer-brand { grid-column: 1 / -1; }
  /* 手机端页脚底部：居中排布（原先靠左贴边，视觉重心不稳） */
  .cloud-footer-bottom { flex-direction: column; align-items: center; text-align: center; }
  .cloud-footer-bottom > div { justify-content: center; }
}

@media (max-width: 820px) {
  .cloud-home-page .hero-copy h1 { font-size: 42px; }
  .qq-head-copy h2 { font-size: 26px; }
  .service-intro h2 { font-size: 30px; }
  .enterprise-cta h2 { font-size: 26px; letter-spacing: -1px; }
}

@media (max-width: 540px) {
  .cloud-home-page .hero-copy h1 { font-size: 34px; letter-spacing: -0.04em; }
  .cloud-home-page .hero-copy > p { font-size: 14px; }
  .cloud-home-page .hero-actions { flex-direction: column; align-items: stretch; width: 100%; }
  .cloud-home-page .hero-actions .primary-link,
  .cloud-home-page .hero-actions .text-link { width: 100%; justify-content: center; }
  .hero-metric-deck { grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; }
  .hero-visual-zone { min-height: 320px; }
  .hero-hud-cluster-top-right { top: -6px; right: -6px; transform: scale(0.86); transform-origin: top right; }
  .hero-hud-cluster-bottom-left { bottom: -6px; left: -6px; transform: scale(0.86); transform-origin: bottom left; }
  .hero-hud-cluster-bottom-right { display: none; }
  .cloud-home-page .enterprise-hero { min-height: 0; }
  .cloud-home-page #cloud-products { padding-block: 56px 12px; }
  .cloud-home-page #cloud-products .cloud-product-grid { grid-template-columns: 1fr; gap: 12px; }
  .cloud-home-page #cloud-products .cloud-product-card { min-height: 0; padding: 23px 20px; }
  .ai-model-grid { grid-template-columns: 1fr; }
  .qq-card-num { font-size: 26px; }
  .enterprise-cta .cta-actions { width: 100%; }
  .enterprise-cta .primary-link { width: 100%; justify-content: center; }
  .cloud-footer-grid { grid-template-columns: 1fr; row-gap: 26px; }
}