/**
 * 监督智能体应用 — 专题包样式
 * 版式参考 B2B 解决方案落地页：全宽 Hero → 背景痛点 → 目标 → 编号特色 → 场景 → CTA。
 * 全部选择器嵌套在 .supervision-agent-landing，不污染主站 html/body。
 * 色板对齐参考落地页：明亮企业蓝 + 浅冷灰白底 + 深海军点缀。
 */

.supervision-agent-landing {
  /* 主色：参考图明亮企业蓝 */
  --sa-blue: #2f6bff;
  --sa-blue-deep: #1a4fd6;
  --sa-blue-mid: #4a84ff;
  --sa-blue-soft: #e8f0ff;
  --sa-blue-mist: #f3f6fb;
  --sa-ink: #1a1f36;
  --sa-muted: #64748b;
  --sa-line: #e2e8f0;
  --sa-white: #ffffff;
  --sa-dark: #0b1f3a;
  --sa-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;

  box-sizing: border-box;
  font-family: var(--sa-font);
  color: var(--sa-ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow: hidden;
  background: var(--sa-white);
}

.supervision-agent-landing *,
.supervision-agent-landing *::before,
.supervision-agent-landing *::after {
  box-sizing: border-box;
}

/* 内容区：全宽铺满、取消 max-width；左右宽边距、上下紧凑，避免区块上下大片留白 */
.supervision-agent-landing .sa-container {
  width: 100%;
  max-width: none;
  /* 上下 | 左右：纵向收紧，横向仍用较大 clamp 对齐版心 */
  padding: clamp(36px, 4vw, 64px) clamp(48px, 10vw, 200px);
  height: auto;
  margin: 0;
  box-sizing: border-box;
}

/* ========== Hero：浅色玻璃风 + 右侧主视觉羽化 ========== */
.supervision-agent-landing .sa-hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  padding: 64px 0 72px;
  overflow: hidden;
}

.supervision-agent-landing .sa-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  /* 参考图：高亮冷白底 + 轻量淡蓝晕染 */
  background:
    radial-gradient(ellipse 48% 65% at 85% 40%, rgba(100, 160, 255, 0.18), transparent 64%),
    radial-gradient(ellipse 42% 48% at 18% 18%, rgba(210, 226, 255, 0.4), transparent 56%),
    linear-gradient(165deg, #eef3f9 0%, #f5f8fc 38%, #ffffff 78%, #f8fafc 100%);
}

.supervision-agent-landing .sa-hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.22;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='64' viewBox='0 0 56 64'%3E%3Cpath fill='none' stroke='%232f6bff' stroke-opacity='0.28' stroke-width='1' d='M28 2 L52 16 V44 L28 58 L4 44 V16 Z'/%3E%3C/svg%3E");
  background-size: 56px 64px;
  mask-image: radial-gradient(ellipse 70% 85% at 80% 50%, #000 5%, transparent 70%);
  pointer-events: none;
}

.supervision-agent-landing .sa-hero-art {
  position: absolute;
  z-index: 1;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(62%, 760px);
  pointer-events: none;
}

.supervision-agent-landing .sa-hero-art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 55% 42%;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,0.28) 14%, #000 30%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,0.28) 14%, #000 30%, #000 100%);
  filter: saturate(1.05) brightness(1.04);
  animation: sa-hero-glow 6s ease-in-out infinite;
}

/* Hero 文案左缘与 .sa-container 内容区内边距对齐 */
.supervision-agent-landing .sa-hero-content {
  position: relative;
  z-index: 2;
  max-width: 520px;
  width: min(520px, calc(100% - 2 * clamp(48px, 10vw, 200px)));
  margin-left: clamp(48px, 10vw, 200px);
  margin-right: auto;
  color: var(--sa-ink);
}

/* Hero 顶栏标签：白底胶囊 + 左侧圆形品牌标（对齐参考图） */
.supervision-agent-landing .sa-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  padding: 5px 14px 5px 5px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--sa-ink);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(47, 107, 255, 0.12);
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(26, 79, 214, 0.08);
  animation: sa-up 0.65s ease both;
}

.supervision-agent-landing .sa-hero-tag-icon {
  display: block;
  width: 22px;
  height: 22px;
  margin: 3px 2px 3px 6px;
  flex-shrink: 0;
}

.supervision-agent-landing .sa-hero-title {
  margin: 0 0 14px;
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  /* 参考图主标题偏深墨，非深蓝染色 */
  color: var(--sa-ink);
  animation: sa-up 0.65s ease 0.06s both;
}

.supervision-agent-landing .sa-hero-slogan {
  margin: 0 0 12px;
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 500;
  color: var(--sa-ink);
  animation: sa-up 0.65s ease 0.12s both;
}

.supervision-agent-landing .sa-hero-slogan em {
  font-style: normal;
  color: var(--sa-blue);
}

.supervision-agent-landing .sa-hero-desc {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sa-muted);
  max-width: 42em;
  animation: sa-up 0.65s ease 0.18s both;
}

.supervision-agent-landing .sa-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 0;
  animation: sa-up 0.65s ease 0.2s both;
}

.supervision-agent-landing .sa-hero-meta span {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--sa-blue-deep);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(47, 107, 255, 0.18);
  box-shadow: 0 4px 14px rgba(47, 107, 255, 0.06);
}

.supervision-agent-landing .sa-hero .sa-btn {
  animation: sa-up 0.65s ease 0.24s both;
}

.supervision-agent-landing .sa-hero .sa-btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--sa-blue-mid), var(--sa-blue));
  box-shadow: 0 8px 22px rgba(47, 107, 255, 0.32);
}

.supervision-agent-landing .sa-hero .sa-btn-primary:hover {
  background: linear-gradient(135deg, var(--sa-blue), var(--sa-blue-deep));
  transform: translateY(-1px);
}

@keyframes sa-hero-glow {
  0%, 100% { filter: saturate(1.02) brightness(1.03); }
  50% { filter: saturate(1.08) brightness(1.06); }
}

@media (prefers-reduced-motion: reduce) {
  .supervision-agent-landing .sa-hero-art img {
    animation: none !important;
  }
}
/* ========== Buttons ========== */
.supervision-agent-landing .sa-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  padding: 12px 28px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.supervision-agent-landing .sa-btn-primary {
  color: var(--sa-blue-deep);
  background: #fff;
  box-shadow: 0 8px 24px rgba(0, 30, 80, 0.25);
}

.supervision-agent-landing .sa-btn-primary:hover {
  transform: translateY(-1px);
  background: #f3f8ff;
}

.supervision-agent-landing .sa-cta .sa-btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--sa-blue-mid), var(--sa-blue));
  box-shadow: 0 8px 22px rgba(47, 107, 255, 0.3);
}

.supervision-agent-landing .sa-cta .sa-btn-primary:hover {
  background: linear-gradient(135deg, var(--sa-blue), var(--sa-blue-deep));
}

/* ========== Section shell ========== */
/* 区块纵向间距改由 .sa-container 的 clamp padding 承担，避免与内容区内边距叠加 */
.supervision-agent-landing .sa-block {
  padding: 0;
}

.supervision-agent-landing .sa-block-last {
  padding-bottom: 0;
}

.supervision-agent-landing .sa-block-tint {
  background: var(--sa-blue-mist);
}

.supervision-agent-landing .sa-head {
  text-align: center;
  /* 标题与下方内容间距收紧，配合容器纵向内边距做成更紧凑版式 */
  margin-bottom: 28px;
}

.supervision-agent-landing .sa-head h2 {
  margin: 0 0 10px;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: var(--sa-ink);
  letter-spacing: 0.02em;
}

.supervision-agent-landing .sa-head-en {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--sa-muted);
  text-transform: none;
}

.supervision-agent-landing .sa-head-light h2 {
  color: #fff;
}

.supervision-agent-landing .sa-head-light .sa-head-en {
  color: rgba(255, 255, 255, 0.65);
}

/* ========== 背景痛点（三列） ========== */
.supervision-agent-landing .sa-pain-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.supervision-agent-landing .sa-pain {
  text-align: center;
  padding: 8px 12px;
}

.supervision-agent-landing .sa-pain-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 18px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--sa-blue);
  background: var(--sa-blue-soft);
  transition: transform 0.35s ease, background 0.35s ease;
}

.supervision-agent-landing .sa-pain:hover .sa-pain-icon {
  transform: translateY(-4px);
  background: #d6e4ff;
}

.supervision-agent-landing .sa-pain h3 {
  margin: 0 0 8px;
  font-size: 20px;
  color: var(--sa-blue-deep);
}

.supervision-agent-landing .sa-pain-sub {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--sa-ink);
}

.supervision-agent-landing .sa-pain > p:last-child {
  margin: 0;
  font-size: 14px;
  color: var(--sa-muted);
  text-align: left;
  line-height: 1.75;
}

/* ========== 目标区 ========== */
.supervision-agent-landing .sa-goal {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}

.supervision-agent-landing .sa-goal-visual {
  width: 100%;
}

.supervision-agent-landing .sa-goal-svg {
  width: 100%;
  height: auto;
  display: block;
  max-width: 560px;
  margin: 0 auto;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

.supervision-agent-landing .sa-goal-lead {
  margin: 0 0 22px;
  font-size: 18px;
  font-weight: 600;
  color: var(--sa-blue-deep);
  line-height: 1.55;
}

.supervision-agent-landing .sa-goal-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.supervision-agent-landing .sa-goal-list li {
  padding-left: 16px;
  border-left: 3px solid var(--sa-blue);
}

.supervision-agent-landing .sa-goal-list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
}

.supervision-agent-landing .sa-goal-list span {
  font-size: 14px;
  color: var(--sa-muted);
}

/* ========== 核心特色：一行四卡片 ========== */
.supervision-agent-landing .sa-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  border-top: none;
}

.supervision-agent-landing .sa-feature {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
  height: 100%;
  padding: 28px 22px;
  background: var(--sa-white);
  border: 1px solid var(--sa-line);
  border-radius: 10px;
  border-bottom: 1px solid var(--sa-line);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.supervision-agent-landing .sa-feature:hover {
  background: var(--sa-white);
  border-color: #a8c0ff;
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(47, 107, 255, 0.12);
}

.supervision-agent-landing .sa-feature-num {
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  color: var(--sa-blue);
  letter-spacing: -0.04em;
  opacity: 0.9;
}

.supervision-agent-landing .sa-feature-body h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--sa-ink);
  line-height: 1.45;
}

.supervision-agent-landing .sa-feature-body h3 em {
  font-style: normal;
  color: var(--sa-blue-deep);
}

.supervision-agent-landing .sa-feature-body p {
  margin: 0;
  font-size: 14px;
  color: var(--sa-muted);
  max-width: none;
  line-height: 1.75;
}

/* ========== 三大智能体 ========== */
.supervision-agent-landing .sa-agent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.supervision-agent-landing .sa-agent-card {
  padding: 28px 24px;
  background: var(--sa-white);
  border: 1px solid var(--sa-line);
  border-radius: 8px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.supervision-agent-landing .sa-agent-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 36px rgba(47, 107, 255, 0.12);
}

.supervision-agent-landing .sa-agent-label {
  display: inline-block;
  margin-bottom: 12px;
  padding: 2px 10px;
  border-radius: 3px;
  font-size: 12px;
  font-weight: 700;
}

.supervision-agent-landing .sa-label-green {
  color: #0f6b4c;
  background: #e6f7f0;
}

.supervision-agent-landing .sa-label-blue {
  color: var(--sa-blue-deep);
  background: var(--sa-blue-soft);
}

.supervision-agent-landing .sa-label-teal {
  color: #0e7490;
  background: #e0f7fa;
}

.supervision-agent-landing .sa-agent-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--sa-blue-deep);
}

.supervision-agent-landing .sa-agent-card > p {
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--sa-muted);
  min-height: 4.2em;
}

.supervision-agent-landing .sa-agent-card ul {
  margin: 0;
  padding-left: 1.1em;
  font-size: 13px;
  color: var(--sa-ink);
}

.supervision-agent-landing .sa-agent-card li + li {
  margin-top: 4px;
}

/* ========== 应用场景 ========== */
.supervision-agent-landing .sa-scene-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.supervision-agent-landing .sa-scene {
  padding: 28px 26px;
  background: var(--sa-white);
  border: 1px solid var(--sa-line);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.supervision-agent-landing .sa-scene:hover {
  border-color: #a8c0ff;
  box-shadow: 0 10px 28px rgba(47, 107, 255, 0.1);
}

.supervision-agent-landing .sa-scene h3 {
  margin: 0 0 12px;
  font-size: 18px;
  color: var(--sa-blue-deep);
}

.supervision-agent-landing .sa-scene-top > p {
  margin: 0;
  font-size: 14px;
  color: var(--sa-muted);
  flex: 1;
}

.supervision-agent-landing .sa-more {
  align-self: flex-start;
  margin-top: 18px;
  padding: 0;
  border: none;
  background: none;
  color: var(--sa-blue);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}

.supervision-agent-landing .sa-more::after {
  content: " →";
}

.supervision-agent-landing .sa-more:hover {
  color: var(--sa-blue-deep);
}

.supervision-agent-landing .sa-scene-more {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--sa-line);
}

.supervision-agent-landing .sa-scene-more p {
  margin: 0;
  font-size: 13px;
  color: var(--sa-muted);
}

.supervision-agent-landing .sa-scene.is-open .sa-more::after {
  content: " ↑";
}

/* ========== 五步原理（深色条） ========== */
.supervision-agent-landing .sa-block-dark {
  background:
    linear-gradient(120deg, var(--sa-dark) 0%, #122a4e 55%, #1a3f7a 100%);
  /* 深色条上下内边距与浅色区块对齐，避免单独显得过高 */
  padding: 48px 0;
}

.supervision-agent-landing .sa-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.supervision-agent-landing .sa-steps li {
  text-align: center;
  padding: 18px 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.supervision-agent-landing .sa-steps span {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: #8eb8ef;
  font-weight: 700;
}

.supervision-agent-landing .sa-steps strong {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
}

.supervision-agent-landing .sa-steps em {
  font-style: normal;
  font-size: 12px;
  opacity: 0.7;
}

/* ========== CTA ========== */
.supervision-agent-landing .sa-cta {
  padding-bottom: 56px;
}

.supervision-agent-landing .sa-cta-panel {
  text-align: center;
  padding: 56px 32px;
  border-radius: 8px;
  background:
    radial-gradient(ellipse 70% 80% at 50% 0%, rgba(26, 95, 199, 0.08), transparent 60%),
    linear-gradient(180deg, #f7fafd, #eef4fb);
  border: 1px solid var(--sa-line);
}

.supervision-agent-landing .sa-cta-brand {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--sa-blue);
  font-weight: 600;
}

.supervision-agent-landing .sa-cta-panel h2 {
  margin: 0 0 8px;
  font-size: 30px;
  color: var(--sa-blue-deep);
}

.supervision-agent-landing .sa-cta-tagline {
  margin: 0 0 16px;
  font-size: 16px;
  color: var(--sa-ink);
  font-weight: 600;
}

.supervision-agent-landing .sa-cta-q {
  margin: 0 auto 26px;
  max-width: 34em;
  font-size: 14px;
  color: var(--sa-muted);
}

.supervision-agent-landing .sa-cta-tip {
  margin: 16px auto 0;
  max-width: 36em;
  font-size: 13px;
  color: var(--sa-muted);
}

.supervision-agent-landing .sa-cta-tip.is-show {
  animation: sa-fade 0.35s ease both;
}

/* ========== Motion ========== */
.supervision-agent-landing .sa-reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.supervision-agent-landing .sa-reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes sa-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes sa-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ========== Responsive ========== */
@media (max-width: 960px) {
  .supervision-agent-landing .sa-pain-row,
  .supervision-agent-landing .sa-agent-grid,
  .supervision-agent-landing .sa-steps {
    grid-template-columns: 1fr;
  }

  .supervision-agent-landing .sa-goal,
  .supervision-agent-landing .sa-scene-grid {
    grid-template-columns: 1fr;
  }

  .supervision-agent-landing .sa-features {
    grid-template-columns: 1fr;
  }

  .supervision-agent-landing .sa-feature-num {
    font-size: 36px;
  }

  .supervision-agent-landing .sa-hero {
    min-height: 560px;
    padding: 48px 0 56px;
  }

  .supervision-agent-landing .sa-hero-art {
    width: 100%;
    opacity: 0.55;
  }

  .supervision-agent-landing .sa-hero-art img {
    -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.35) 70%, transparent 100%);
    mask-image: linear-gradient(180deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.35) 70%, transparent 100%);
    object-position: center 30%;
  }

  .supervision-agent-landing .sa-hero-content {
    max-width: none;
    width: calc(100% - 2 * clamp(48px, 10vw, 200px));
    margin-left: clamp(48px, 10vw, 200px);
    margin-right: auto;
  }
}

@media (min-width: 641px) and (max-width: 960px) {
  .supervision-agent-landing .sa-pain-row {
    grid-template-columns: 1fr;
  }

  .supervision-agent-landing .sa-agent-grid,
  .supervision-agent-landing .sa-scene-grid,
  .supervision-agent-landing .sa-features {
    grid-template-columns: 1fr 1fr;
  }

  .supervision-agent-landing .sa-steps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .supervision-agent-landing .sa-head {
    margin-bottom: 20px;
  }

  .supervision-agent-landing .sa-pain > p:last-child {
    text-align: center;
  }

  .supervision-agent-landing .sa-cta-panel {
    padding: 40px 20px;
  }
}