/* ==========================================================================
   捌斗科技 · 官网样式
   视觉基准：ninetechone.com（主色 #0263CE / 亮蓝 #039EEB / 内容宽 1200）
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  --brand: #0263CE;
  --brand-deep: #0064CE;
  --brand-bright: #039EEB;
  --grad-brand: linear-gradient(288deg, #0064CE 0%, #039EEB 100%);
  --grad-brand-soft: linear-gradient(180deg, rgba(2, 99, 206, .10) 0%, rgba(2, 99, 206, .03) 100%);

  --ink: #00153B;
  --ink-2: #262626;
  --ink-3: #7E8296;
  --body: #595959;
  --muted: rgba(0, 0, 0, .4);
  --faint: #98A2B3;

  --bg: #FFFFFF;
  --tint: #F5F9FF;
  --line: #E3EAF4;
  --line-soft: #EEF1F6;

  --container: 1200px;
  --pad-x: 120px;
  --header-h: 74px;

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;

  --sh-card: 0 0 60px rgba(62, 116, 175, .10);
  --sh-soft: 0 10px 30px rgba(62, 116, 175, .08);
  --sh-btn: 0 18px 40px rgba(2, 99, 206, .28);

  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC",
          "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  --font-num: "Inter", -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif;

  --ease: cubic-bezier(.25, .8, .25, 1);
  --ease-out: cubic-bezier(.16, .84, .44, 1);
}

/* ---------- 2. 基础重置 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 999;
  padding: 10px 18px;
  background: var(--brand);
  color: #fff;
  border-radius: var(--r-sm);
  transition: top .2s;
}
.skip-link:focus { top: 12px; }

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--pad-x) * 2);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

/* ---------- 3. 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  letter-spacing: .3px;
  white-space: nowrap;
  border-radius: var(--r-md);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
}

.btn-primary {
  background: var(--grad-brand);
  color: #fff;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(2, 99, 206, .30);
}
.btn-primary:active { transform: translateY(0); }

.btn-header {
  height: 40px;
  padding: 0 20px;
  font-size: 15px;
}

.btn-lg {
  height: 70px;
  padding: 0 42px;
  font-size: 22px;
  font-weight: 600;
  box-shadow: 0 14px 34px rgba(2, 99, 206, .22);
}
.btn-lg:hover { box-shadow: 0 20px 44px rgba(2, 99, 206, .28); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  color: var(--brand);
  transition: gap .3s var(--ease), color .2s;
}
.link-arrow span { transition: transform .3s var(--ease); }
.link-arrow:hover span { transform: translateX(4px); }

/* ---------- 4. Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line-soft);
  transition: background .45s var(--ease), box-shadow .45s var(--ease), backdrop-filter .45s;
}

.site-header.is-solid {
  background: rgba(255, 255, 255, .82);
  -webkit-backdrop-filter: blur(30px);
  backdrop-filter: blur(30px);
  border-bottom-color: transparent;
  box-shadow: 0 4px 30px rgba(0, 0, 0, .07);
}

.header-inner {
  height: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--grad-brand);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  flex-shrink: 0;
}

.brand-name {
  font-size: 19px;
  font-weight: 600;
  color: #0B2C52;
  letter-spacing: 2.4px;
  padding-right: 2px;
}

.brand-divider {
  width: 1px;
  height: 15px;
  background: linear-gradient(180deg, rgba(2, 99, 206, 0), rgba(2, 99, 206, .28), rgba(2, 99, 206, 0));
}

.brand-tag {
  padding: 5px 11px;
  border-radius: 6px;
  background: rgba(2, 99, 206, .06);
  color: #3D6FA8;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .4px;
  white-space: nowrap;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  margin-right: auto;
}

.nav-desktop a {
  position: relative;
  padding: 10px 14px;
  font-size: 16px;
  color: var(--ink-2);
  letter-spacing: .5px;
  border-radius: var(--r-sm);
  transition: color .2s, background .2s;
}
.nav-desktop a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--grad-brand);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav-desktop a:hover,
.nav-desktop a.is-current { color: var(--brand); background: rgba(0, 100, 206, .06); }
.nav-desktop a:hover::after,
.nav-desktop a.is-current::after { transform: scaleX(1); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.login-link {
  font-size: 15px;
  color: var(--body);
  transition: color .2s;
}
.login-link:hover { color: var(--brand); }

.nav-toggle {
  display: none;
  width: 28px;
  height: 28px;
  padding: 5px;
  flex-direction: column;
  justify-content: space-between;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 20px 40px rgba(62, 116, 175, .12);
  padding: 12px 20px 24px;
  display: none;
  flex-direction: column;
  gap: 4px;
}
/* 注意：display 会覆盖 hidden 属性，必须显式处理 */
.mobile-menu:not([hidden]) { display: flex; }
.mobile-menu a {
  padding: 14px 8px;
  font-size: 16px;
  color: var(--ink);
  border-bottom: 1px solid var(--line-soft);
}
.mobile-menu .btn { margin-top: 16px; border-bottom: 0; height: 52px; font-size: 17px; }

/* ---------- 5. HERO ---------- */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100svh;
  padding-top: var(--header-h);
  padding-bottom: 44px;
  background: linear-gradient(158deg, #F5F9FF 0%, #FFFFFF 62%);
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -18%;
  left: 50%;
  width: 1100px;
  height: 700px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(3, 158, 235, .12), transparent 72%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 1000px;
  margin: 0 auto;
  /* 上内边距大于下内边距，让内容中心落在视口偏下位置（对齐参考站首屏） */
  padding: clamp(72px, 19vh, 176px) var(--pad-x) 16px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 999px;
  background: #EAF3FF;
  color: var(--brand);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .5px;
}
.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--brand-bright);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(3, 158, 235, .5); }
  50%      { box-shadow: 0 0 0 5px rgba(3, 158, 235, 0); }
}

.hero-title {
  margin-top: 30px;
  font-size: clamp(32px, 4.2vw, 54px);
  line-height: 1.36;
  font-weight: 700;
  letter-spacing: -.5px;
  color: var(--ink);
}
.hero-title .accent { color: var(--brand-bright); }

.hero-desc {
  margin-top: 26px;
  max-width: 680px;
  font-size: clamp(15px, 1.5vw, 20px);
  line-height: 1.75;
  color: var(--muted);
}

.hero-actions {
  margin-top: 44px;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

/* 浮动业务卡 */
.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px 10px 10px;
  border-radius: 16px;
  background: rgba(255, 255, 255, .94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, .95);
  box-shadow: 0 20px 44px rgba(2, 99, 206, .11), 0 2px 6px rgba(2, 99, 206, .05);
}
.fc-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 11px;
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 7px 16px rgba(2, 99, 206, .28);
}
.fc-icon svg { width: 17px; height: 17px; }
.fc-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  line-height: 1.1;
  text-align: left;
}
.fc-text em {
  font-style: normal;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 1.4px;
  color: #94A3B8;
}
.fc-text b {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .1px;
  color: #152A44;
  white-space: nowrap;
}
.fc-1 { left: 4.6%;  top: 23%;  animation: float1 7s ease-in-out infinite; }
.fc-2 { right: 4.8%; top: 28%;  animation: float2 7.6s ease-in-out infinite; }
.fc-3 { left: 5.6%;  top: 61%;  animation: float3 8.2s ease-in-out infinite; }
.fc-4 { right: 5.2%; top: 57%;  animation: float4 7.4s ease-in-out infinite; }
.fc-2 .fc-icon, .fc-4 .fc-icon {
  background: linear-gradient(288deg, #039EEB, #2BAEF5);
  box-shadow: 0 7px 16px rgba(3, 158, 235, .28);
}

@keyframes float1 {
  0%, 100% { transform: translateY(0) rotate(-7deg); }
  50%      { transform: translateY(-16px) rotate(-7deg); }
}
@keyframes float2 {
  0%, 100% { transform: translateY(0) rotate(5deg); }
  50%      { transform: translateY(-16px) rotate(5deg); }
}
@keyframes float3 {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50%      { transform: translateY(-16px) rotate(-4deg); }
}
@keyframes float4 {
  0%, 100% { transform: translateY(0) rotate(7deg); }
  50%      { transform: translateY(-16px) rotate(7deg); }
}

/* 底部品类带 */
.hero-strip {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 0 var(--pad-x);
}
.strip-caption {
  font-size: 13px;
  color: #9AA6B8;
  letter-spacing: .5px;
  text-align: center;
}
.strip-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0 44px;
}
.strip-list li {
  position: relative;
  font-size: 17px;
  font-weight: 500;
  color: #B3BDCB;
  transition: color .3s;
}
.strip-list li:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -22px;
  top: 50%;
  width: 3px;
  height: 3px;
  border-radius: 999px;
  background: #D3DBE7;
  transform: translateY(-50%);
}
.strip-list li:hover { color: var(--brand); }

/* ---------- 6. SECTION 基础 ---------- */
.section {
  padding: clamp(72px, 8.6vw, 126px) 0;
  background: var(--bg);
}
.section--tint { background: var(--tint); }

.section-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  text-align: center;
}

.section-title {
  font-size: clamp(26px, 3.2vw, 44px);
  font-weight: 600;
  line-height: 1.34;
  letter-spacing: -.4px;
  color: #000;
}
.section-title .accent { color: var(--brand-bright); }

.section-sub {
  font-size: clamp(15px, 1.5vw, 22px);
  color: var(--muted);
  font-weight: 400;
}

/* ---------- 7. 产品与服务 ---------- */
.showcase {
  display: grid;
  grid-template-columns: 456px minmax(0, 1fr);
  gap: 64px;
  align-items: stretch;
  margin-top: clamp(44px, 5vw, 74px);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag {
  padding: 9px 18px;
  border-radius: 999px;
  background: rgba(62, 116, 175, .10);
  color: var(--ink);
  font-size: 16px;
  font-weight: 500;
  white-space: nowrap;
}
.tag.is-active {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 4px 12px rgba(2, 99, 206, .28);
}

.feature-item { margin-top: 34px; }
.feature-item:first-of-type { margin-top: 38px; }
.feature-item h3 {
  font-size: clamp(21px, 2vw, 27px);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}
.feature-item p {
  margin-top: 12px;
  max-width: 430px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--body);
}

/* 控制台面板 */
.console {
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: 0 18px 60px rgba(62, 116, 175, .13);
  overflow: hidden;
  min-height: 470px;
  display: flex;
  flex-direction: column;
}

.console-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 48px;
  padding: 0 22px;
  background: #F7F9FC;
  border-bottom: 1px solid var(--line-soft);
}
.console-dots { display: flex; gap: 6px; }
.console-dots i {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #DDE4EE;
}
.console-title { font-size: 12px; color: var(--faint); }

.console-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 22px 24px 24px;
}

.chip-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.chip {
  padding: 14px;
  border-radius: 10px;
  background: var(--tint);
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.chip strong {
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 700;
  color: var(--brand);
  line-height: 1.1;
}
.chip .unit {
  font-size: 13px;
  margin-left: 3px;
  font-weight: 600;
}
.chip span { font-size: 11px; color: #8E99A8; }

.list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}
.list-head span {
  font-size: 12px;
  font-weight: 500;
  color: var(--faint);
  letter-spacing: .4px;
}
.list-head a { font-size: 12px; color: var(--brand); }
.list-head a:hover { text-decoration: underline; }

.inquiry-list { display: flex; flex-direction: column; }
.inquiry-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}
.inquiry-list li:last-child { border-bottom: 0; }
.inquiry-main p {
  font-size: 13.5px;
  font-weight: 500;
  color: #1F2937;
  line-height: 1.5;
}
.inquiry-main span {
  display: block;
  margin-top: 5px;
  font-size: 11px;
  color: var(--faint);
}
.badge {
  flex-shrink: 0;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-style: normal;
  font-weight: 500;
}
.badge-blue  { background: #EAF3FF; color: var(--brand); }
.badge-amber { background: #FFF3E6; color: #C2681C; }
.badge-green { background: #E8F7EE; color: #1B8A4B; }

/* ---------- 8. 核心优势 ---------- */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: clamp(44px, 5vw, 70px);
}

.adv-card {
  padding: 28px 26px 30px;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 10px 34px rgba(62, 116, 175, .10);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.adv-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 44px rgba(62, 116, 175, .16);
}

.icon-box {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #EAF3FF;
  color: var(--brand);
}
.icon-box svg { width: 22px; height: 22px; }

.adv-card h3 {
  margin-top: 22px;
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
}
.adv-card p {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.75;
  color: #7E8296;
}

/* ---------- 9. 六步流程 ---------- */
.step-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin-top: clamp(40px, 4.6vw, 66px);
}

.step {
  position: relative;
  padding-top: 22px;
}
.step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: #D8E2F0;
}
.step::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--grad-brand);
  transition: width .5s var(--ease);
}
.step:hover::after { width: 100%; }

.step-num {
  display: block;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--brand-bright);
}
.step h3 {
  margin-top: 14px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
}
.step p {
  margin-top: 10px;
  padding-right: 24px;
  font-size: 13px;
  line-height: 1.85;
  color: #7E8296;
}

/* ---------- 10. 客户案例 ---------- */
.case-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: clamp(44px, 5vw, 72px);
}

.case-card {
  display: grid;
  grid-template-columns: 380px minmax(0, 1fr);
  gap: 56px;
  align-items: center;
  padding: 60px;
  border-radius: var(--r-xl);
  background: #fff;
  box-shadow: 0 18px 50px rgba(62, 116, 175, .09);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(62, 116, 175, .14);
}

.case-cover {
  position: relative;
  display: grid;
  place-items: center;
  height: 340px;
  border-radius: 15px;
  overflow: hidden;
}
/* 封面纹理：细斜线 + 柔光，避免纯色块显得空 */
.case-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    135deg,
    rgba(255, 255, 255, .55) 0 1px,
    transparent 1px 12px
  );
  opacity: .32;
}
.case-cover::after {
  content: "";
  position: absolute;
  top: -30%;
  left: -20%;
  width: 90%;
  height: 90%;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(255, 255, 255, .85), transparent 70%);
}
.case-cover span {
  position: relative;
  z-index: 1;
  font-size: clamp(26px, 2.8vw, 40px);
  font-weight: 600;
  letter-spacing: 6px;
}

.cover-1 { background: linear-gradient(145deg, #EAF3FF 0%, #D3E4FB 100%); }
.cover-1 span { color: #5B87C4; }
.cover-2 { background: linear-gradient(145deg, #F6F1E9 0%, #ECE0D0 100%); }
.cover-2 span { color: #8A6B42; }
.cover-3 { background: linear-gradient(145deg, #EAEEF6 0%, #D4DBEA 100%); }
.cover-3 span { color: #5E7290; }

.case-body { display: flex; flex-direction: column; gap: 0; }

.quote-mark {
  font-size: 72px;
  font-weight: 700;
  line-height: .78;
  color: var(--brand-bright);
  font-family: Georgia, serif;
}

.case-quote {
  margin-top: 18px;
  max-width: 600px;
  font-size: 19px;
  line-height: 1.8;
  color: #1A1A1A;
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 44px;
}
.case-stats dt {
  font-size: 32px;
  font-weight: 700;
  color: var(--brand);
  line-height: 1.2;
}
.case-stats dd {
  margin: 8px 0 0;
  font-size: 14px;
  color: rgba(0, 0, 0, .5);
}

.case-note {
  margin-top: 28px;
  text-align: center;
  font-size: 12.5px;
  color: #A7B2C2;
}

/* ---------- 11. 数据 ---------- */
.section--stats { padding: 24px 0 clamp(72px, 8vw, 112px); background: var(--bg); }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  height: 236px;
  padding: 30px 20px;
  border-radius: var(--r-xl);
  background: var(--grad-brand-soft);
  transition: transform .35s var(--ease);
}
.stat-card:hover { transform: translateY(-4px); }

.stat-card strong {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-size: clamp(32px, 3.3vw, 44px);
  font-weight: 700;
  color: var(--brand);
  line-height: 1.1;
  font-family: var(--font-num);
}
.stat-card small { font-size: .52em; font-weight: 700; margin-left: 2px; }
.stat-card span { font-size: 18px; color: #000; }

/* ---------- 12. 资讯 ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: clamp(44px, 5vw, 70px);
}

.news-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--r-lg);
  background: #fff;
  overflow: hidden;
  box-shadow: 0 14px 40px rgba(62, 116, 175, .10);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 50px rgba(62, 116, 175, .16);
}

.news-cover {
  position: relative;
  height: 196px;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.news-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, .35) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: .24;
}
.news-cover span {
  position: relative;
  font-family: var(--font-num);
  font-size: 62px;
  font-weight: 700;
  color: rgba(255, 255, 255, .92);
  letter-spacing: 2px;
}
.cover-a { background: linear-gradient(150deg, #0064CE, #039EEB); }
.cover-b { background: linear-gradient(150deg, #2D77FF, #6FA8FF); }
.cover-c { background: linear-gradient(150deg, #0263CE, #2D77FF); }

.news-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 28px 30px;
}
.news-tag {
  align-self: flex-start;
  padding: 4px 10px;
  border-radius: 6px;
  background: #EAF3FF;
  color: var(--brand);
  font-size: 11px;
  font-style: normal;
  font-weight: 500;
}
.news-card h3 {
  font-size: 19px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}
.news-meta { font-size: 12px; color: var(--faint); }
.news-card:hover h3 { color: var(--brand); }

/* ---------- 13. CTA ---------- */
.cta-section {
  position: relative;
  background:
    radial-gradient(ellipse 62% 120% at 50% -10%, rgba(126, 183, 255, .42), transparent 68%),
    linear-gradient(180deg, #F2F8FF 0%, #FFFFFF 76%);
  overflow: hidden;
}
/* 顶部一道极细的蓝色高光，强化区块起点 */
.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: min(760px, 62%);
  height: 1px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, rgba(3, 158, 235, .55), transparent);
}

.cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  text-align: center;
}
.cta-inner h2 {
  font-size: clamp(26px, 3.2vw, 44px);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -.4px;
}
.cta-inner p {
  font-size: clamp(15px, 1.5vw, 22px);
  color: var(--muted);
}
.cta-actions {
  margin-top: 34px;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ---------- 14. Footer ---------- */
.site-footer {
  padding: 76px 0 34px;
  background: var(--tint);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  flex-wrap: wrap;
}

.footer-brand { max-width: 380px; }
.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}
.footer-brand > p {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.85;
  color: #7E8296;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13.5px !important;
}
.footer-contact a { transition: color .2s; }
.footer-contact a:hover { color: var(--brand); }

.footer-cols {
  display: flex;
  gap: 76px;
  flex-wrap: wrap;
}
.footer-cols > div {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer-cols h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 1px;
}
.footer-cols a {
  font-size: 13.5px;
  color: #7E8296;
  transition: color .2s;
}
.footer-cols a:hover { color: var(--brand); }

.footer-bottom {
  margin-top: 52px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: #9AA6B8;
}

/* 备案号：深色页脚上需与普通文字有区分，同时保留键盘焦点可见 */
.footer-bottom a {
  color: #C7D2E1;
  text-decoration: none;
  border-bottom: 1px solid rgba(154, 166, 184, .45);
  transition: color .2s ease, border-color .2s ease;
}

.footer-bottom a:hover,
.footer-bottom a:focus-visible {
  color: #FFFFFF;
  border-bottom-color: rgba(255, 255, 255, .7);
}

/* ---------- 15. 滚动进入动画 ---------- */
/* 仅在 JS 可用时隐藏，避免脚本失效导致内容不可见 */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .75s var(--ease-out), transform .75s var(--ease-out);
  will-change: opacity, transform;
}
html.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}
/* 网格内错峰 */
.adv-grid [data-reveal]:nth-child(2),
.step-grid [data-reveal]:nth-child(2),
.stat-grid [data-reveal]:nth-child(2),
.news-grid [data-reveal]:nth-child(2) { transition-delay: .08s; }
.adv-grid [data-reveal]:nth-child(3),
.step-grid [data-reveal]:nth-child(3),
.stat-grid [data-reveal]:nth-child(3),
.news-grid [data-reveal]:nth-child(3) { transition-delay: .16s; }
.adv-grid [data-reveal]:nth-child(4),
.step-grid [data-reveal]:nth-child(4),
.stat-grid [data-reveal]:nth-child(4) { transition-delay: .24s; }
.step-grid [data-reveal]:nth-child(5) { transition-delay: .32s; }
.step-grid [data-reveal]:nth-child(6) { transition-delay: .40s; }

/* ---------- 16. 响应式 ---------- */
@media (max-width: 1280px) {
  :root { --pad-x: 64px; }
  .nav-desktop { gap: 2px; }
  .nav-desktop a { padding: 10px 10px; font-size: 15px; }
}

@media (max-width: 1080px) {
  :root { --pad-x: 48px; }

  .brand-tag, .brand-divider { display: none; }
  .login-link { display: none; }

  .showcase { grid-template-columns: 1fr; gap: 44px; }
  .console { min-height: 0; }

  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .step-grid { grid-template-columns: repeat(3, 1fr); row-gap: 44px; }

  .case-card { grid-template-columns: 300px minmax(0, 1fr); gap: 40px; padding: 40px; }
  .case-cover { height: 280px; }
  .case-stats { margin-top: 32px; }

  .footer-cols { gap: 48px; }
}

@media (max-width: 860px) {
  :root { --header-h: 64px; --pad-x: 24px; }

  .nav-desktop, .header-actions { display: none; }
  .nav-toggle { display: flex; }
  .header-inner { padding: 0 20px; }

  .float-card { display: none; }
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 56px); padding-bottom: 40px; }
  .hero-inner { padding: 0 var(--pad-x); }
  .hero-title { margin-top: 24px; }
  .hero-desc { margin-top: 20px; }
  .hero-desc .br-pc { display: none; }
  .hero-actions { margin-top: 34px; gap: 20px; }
  .btn-lg { height: 58px; padding: 0 32px; font-size: 18px; }
  .link-arrow { font-size: 16px; }

  .hero-strip { margin-top: 56px; gap: 16px; }
  .strip-list { gap: 0 28px; }
  .strip-list li { font-size: 15px; }
  .strip-list li:not(:last-child)::after { right: -14px; }

  .case-card { grid-template-columns: 1fr; gap: 32px; padding: 28px; }
  .case-cover { height: 220px; }
  .case-quote { font-size: 17px; }
  .case-stats { gap: 16px; }
  .case-stats dt { font-size: 26px; }

  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-card { height: 180px; }

  .news-grid { grid-template-columns: 1fr; }

  .footer-top { gap: 44px; }
  .footer-cols { gap: 40px; justify-content: space-between; width: 100%; }
  .footer-bottom { margin-top: 36px; flex-direction: column; gap: 8px; }
}

@media (max-width: 560px) {
  .adv-grid { grid-template-columns: 1fr; }
  .step-grid { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .step p { padding-right: 8px; }

  /* 三枚数据芯片在窄屏仍保持一行，缩小内边距与字号 */
  .chip { padding: 11px 10px; gap: 5px; }
  .chip strong { font-size: 19px; }
  .chip .unit { font-size: 11px; }
  .chip span { font-size: 10px; }

  .console-body { padding: 18px; }
  .stat-card span { font-size: 15px; }

  /* 案例三个数字保持横排，避免纵向拉长卡片 */
  .case-stats { gap: 10px; }
  .case-stats dt { font-size: 22px; }
  .case-stats dd { font-size: 12px; margin-top: 5px; }

  .section-title br { display: none; }
  .footer-cols { gap: 28px; }
}

/* ---------- 17. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* ---------- 18. 打印 ---------- */
@media print {
  .site-header, .float-card, .cta-section, .nav-toggle { display: none; }
  body { color: #000; }
  .section, .hero { padding: 24px 0; }
}

/* ==========================================================================
   16. 真实 Logo（图片版）
   ========================================================================== */
.brand-logo-img {
  height: 40px;
  width: auto;
  flex-shrink: 0;
  display: block;
}
.brand-logo-img--footer { height: 45px; }

/* ==========================================================================
   17. 三大场景（产品能力）
   ========================================================================== */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: clamp(44px, 5vw, 70px);
}
.scene-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 30px 26px 10px;
  border-radius: var(--r-xl);
  background: var(--grad-brand-soft);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.scene-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-card);
}
.scene-head {
  display: flex;
  align-items: center;
  gap: 14px;
}
.scene-head h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 6px;
}
.scene-role {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  background: #EAF3FF;
  color: var(--brand);
  font-size: 12px;
  font-weight: 500;
}
.scene-lead {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}
.scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.scene-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 13px 0;
  border-top: 1px solid rgba(2, 99, 206, .10);
}
.scene-list strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}
.scene-list span {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-3);
}

/* 案例署名 */
.case-from {
  margin-top: -6px;
  font-size: 13px;
  color: var(--ink-3);
}

/* 场景卡 stagger */
.scene-grid [data-reveal]:nth-child(2) { transition-delay: .08s; }
.scene-grid [data-reveal]:nth-child(3) { transition-delay: .16s; }

@media (max-width: 1080px) {
  .scene-grid { grid-template-columns: 1fr; max-width: 640px; margin-left: auto; margin-right: auto; }
}
@media (max-width: 560px) {
  .scene-card { padding: 24px 20px 8px; }
}

/* ==========================================================================
   18. 二级页头部 / 面包屑 / 同级导航
   ========================================================================== */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 64px;
  background: linear-gradient(180deg, #F5F9FF 0%, #FFFFFF 100%);
}
.page-hero::before {
  content: "";
  position: absolute;
  top: -180px;
  left: 50%;
  width: 900px;
  height: 420px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(160, 205, 255, .40), transparent 68%);
  pointer-events: none;
}
.page-hero > .container { position: relative; }
.crumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--faint);
  margin-bottom: 22px;
}
.crumb a { color: var(--faint); }
.crumb a:hover { color: var(--brand); }
.crumb span[aria-current] { color: var(--ink-3); }
.crumb .sep { opacity: .5; }
.page-title {
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 600;
  line-height: 1.32;
  color: var(--ink);
  letter-spacing: -.5px;
}
.page-title .accent { color: var(--brand-bright); }
.page-desc {
  margin-top: 20px;
  font-size: 18px;
  line-height: 1.85;
  color: var(--ink-3);
  max-width: 760px;
}
.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 15px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--ink-2);
}
.pill i {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--brand-bright);
  flex-shrink: 0;
}

/* 同级页面切换 */
.subnav {
  position: sticky;
  top: var(--header-h);
  z-index: 40;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.subnav-inner {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 4px 0;
}
.subnav-inner::-webkit-scrollbar { display: none; }
.subnav a {
  flex-shrink: 0;
  padding: 14px 16px;
  font-size: 15px;
  color: var(--ink-3);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.subnav a:hover { color: var(--brand); }
.subnav a.is-active {
  color: var(--brand);
  font-weight: 500;
  border-bottom-color: var(--brand);
}

/* ==========================================================================
   19. 对比表（为什么选捌斗）
   ========================================================================== */
.compare-wrap {
  margin-top: clamp(40px, 4.6vw, 62px);
  border-radius: var(--r-xl);
  background: #fff;
  box-shadow: var(--sh-card);
  overflow: hidden;
}
.compare-scroll { overflow-x: auto; }
.compare {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 15px;
}
.compare th, .compare td {
  padding: 20px 26px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
  line-height: 1.7;
}
.compare thead th {
  padding: 24px 26px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  background: #FAFCFF;
  border-bottom: 1px solid var(--line);
}
.compare thead th:first-child { color: var(--ink-3); font-weight: 500; }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: none; }
.compare tbody th {
  font-weight: 500;
  color: var(--ink-2);
  width: 210px;
}
.compare .col-us {
  width: 30%;
  background: linear-gradient(180deg, rgba(2, 99, 206, .055), rgba(2, 99, 206, .015));
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
.compare thead .col-us { color: var(--brand); background: rgba(2, 99, 206, .07); }
.compare td { color: var(--body); }
.compare .col-us td { color: var(--ink-2); font-weight: 500; }
.compare .no { color: #B9C1CE; }
.compare .yes { color: var(--brand); font-weight: 600; }
.compare .yes::before { content: "✓ "; }
.compare .part { color: #C98A46; }

/* ==========================================================================
   20. 智能体矩阵 / 能力卡
   ========================================================================== */
.matrix-group { margin-top: clamp(40px, 4.6vw, 62px); }
.matrix-group + .matrix-group { margin-top: 56px; }
.matrix-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.matrix-head h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
}
.matrix-head span {
  font-size: 14px;
  color: var(--ink-3);
}
.matrix-head em {
  margin-left: auto;
  font-style: normal;
  font-size: 13px;
  color: var(--brand);
  padding: 4px 12px;
  border-radius: 999px;
  background: #EAF3FF;
}
.matrix-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.agent-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 26px 24px;
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--line);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.agent-card:hover {
  transform: translateY(-3px);
  border-color: rgba(2, 99, 206, .28);
  box-shadow: var(--sh-soft);
}
.agent-top {
  display: flex;
  align-items: center;
  gap: 12px;
}
.agent-badge {
  width: 40px; height: 40px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: var(--grad-brand);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  flex-shrink: 0;
}
.agent-card h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}
.agent-card .agent-slogan {
  font-size: 14px;
  color: var(--brand);
  line-height: 1.7;
}
.agent-card p.agent-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-3);
}
.agent-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.agent-tags li {
  font-size: 12px;
  color: var(--ink-3);
  padding: 4px 9px;
  border-radius: 6px;
  background: #F4F8FE;
}

/* ==========================================================================
   21. 全链路 / 三层通道
   ========================================================================== */
.chain {
  margin-top: clamp(40px, 4.6vw, 62px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.chain-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 32px 28px 28px;
  border-radius: var(--r-xl);
  background: #fff;
  box-shadow: var(--sh-card);
  overflow: hidden;
}
.chain-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-brand);
}
.chain-step {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.4px;
  color: var(--brand-bright);
}
.chain-card h3 {
  font-size: 21px;
  font-weight: 600;
  color: var(--ink);
}
.chain-card > p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-3);
}
.chain-list { margin-top: 6px; display: grid; gap: 10px; }
.chain-list li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--body);
}
.chain-list li::before {
  content: "";
  flex-shrink: 0;
  width: 5px; height: 5px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--brand-bright);
}
.chain-out {
  margin-top: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  color: var(--ink);
}
.chain-out strong { color: var(--brand); }

.chain-flow {
  margin-top: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 22px;
  border-radius: var(--r-xl);
  background: var(--grad-brand-soft);
  font-size: 15px;
  color: var(--ink-2);
}
.chain-flow i { color: var(--brand-bright); font-style: normal; }

/* ==========================================================================
   22. 详情页正文 / 侧栏
   ========================================================================== */
.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 268px;
  gap: 56px;
  align-items: start;
  padding: 64px 0 110px;
}
.prose { font-size: 16px; line-height: 1.95; color: var(--body); }
.prose > * + * { margin-top: 22px; }
.prose h2 {
  margin-top: 48px;
  font-size: 26px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
}
.prose h3 {
  margin-top: 34px;
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
}
.prose p { color: var(--body); }
.prose strong { color: var(--ink-2); font-weight: 600; }
.prose ul, .prose ol { padding-left: 4px; }
.prose li {
  position: relative;
  padding-left: 20px;
  margin-top: 12px;
}
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 13px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--brand-bright);
}
.prose ol { counter-reset: pn; }
.prose ol li { counter-increment: pn; }
.prose ol li::before {
  content: counter(pn);
  position: absolute;
  left: 0; top: 4px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 600;
  color: var(--brand);
}
.prose blockquote {
  margin: 30px 0;
  padding: 26px 28px;
  border-radius: var(--r-lg);
  background: var(--grad-brand-soft);
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink-2);
}
.prose blockquote cite {
  display: block;
  margin-top: 14px;
  font-style: normal;
  font-size: 13.5px;
  color: var(--ink-3);
}
.callout {
  margin-top: 28px;
  padding: 24px 26px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(2, 99, 206, .18);
  background: #F7FBFF;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-2);
}
.callout strong { color: var(--brand); }

/* 侧栏 */
.side-card {
  position: sticky;
  top: calc(var(--header-h) + 28px);
  padding: 26px 24px;
  border-radius: var(--r-xl);
  background: #fff;
  box-shadow: var(--sh-card);
}
.side-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.side-nav { margin-top: 6px; display: grid; }
.side-nav a {
  padding: 11px 0;
  font-size: 14.5px;
  color: var(--ink-3);
  line-height: 1.6;
}
.side-nav a:hover { color: var(--brand); }
.side-stat {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 14px;
}
.side-stat div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 14px;
  color: var(--ink-3);
}
.side-stat strong {
  font-size: 19px;
  color: var(--brand);
  font-weight: 700;
}
.side-card .btn { margin-top: 20px; width: 100%; }

/* 上/下一篇 */
.page-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 0 0;
  border-top: 1px solid var(--line);
}
.page-nav a {
  font-size: 14.5px;
  color: var(--ink-3);
  max-width: 46%;
}
.page-nav a:hover { color: var(--brand); }
.page-nav b { display: block; font-size: 15.5px; font-weight: 500; color: var(--ink); margin-top: 4px; }
.page-nav a:hover b { color: var(--brand); }

/* ==========================================================================
   23. FAQ / 表单 / 联系方式
   ========================================================================== */
.faq-list {
  margin-top: clamp(36px, 4vw, 54px);
  display: grid;
  gap: 14px;
}
.faq-item {
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  cursor: pointer;
  font-size: 16.5px;
  font-weight: 500;
  color: var(--ink);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  flex-shrink: 0;
  width: 9px; height: 9px;
  border-right: 1.6px solid var(--brand);
  border-bottom: 1.6px solid var(--brand);
  transform: rotate(45deg) translateY(-2px);
  transition: transform .25s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(-135deg) translateY(-2px); }
.faq-body {
  padding: 0 26px 24px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--body);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 48px;
  align-items: start;
  padding: 60px 0 110px;
}
.form-card {
  padding: 38px 40px 40px;
  border-radius: var(--r-xl);
  background: #fff;
  box-shadow: var(--sh-card);
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.field { display: grid; gap: 8px; }
.field.is-full { grid-column: 1 / -1; }
.field label {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
}
.field label i { color: #E5604C; font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 15px;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  background: #FAFCFF;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  outline: none;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--brand);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(2, 99, 206, .08);
}
.field textarea { min-height: 108px; resize: vertical; }
.form-note {
  margin-top: 18px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--faint);
}
.form-card .btn { margin-top: 24px; width: 100%; height: 56px; font-size: 17px; }

.info-list { display: grid; gap: 16px; }
.info-card {
  display: flex;
  gap: 16px;
  padding: 24px 26px;
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--line);
}
.info-card .icon-box { width: 42px; height: 42px; flex-shrink: 0; }
.info-card h4 { font-size: 14px; color: var(--ink-3); font-weight: 400; margin-bottom: 6px; }
.info-card p { font-size: 17px; font-weight: 600; color: var(--ink); }
.info-card p a:hover { color: var(--brand); }
.info-card small { display: block; margin-top: 5px; font-size: 12.5px; font-weight: 400; color: var(--faint); }

/* ==========================================================================
   24. 体系图 / 通用小组件
   ========================================================================== */
.tier {
  margin-top: clamp(36px, 4vw, 54px);
  display: grid;
  gap: 14px;
}
.tier-row {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 26px;
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--line);
}
.tier-row.lv1 { background: var(--grad-brand); border-color: transparent; }
.tier-row.lv1 .tier-label, .tier-row.lv1 .tier-title { color: #fff; }
.tier-row.lv1 .tier-desc { color: rgba(255, 255, 255, .85); }
.tier-label {
  flex-shrink: 0;
  width: 96px;
  font-size: 13px;
  color: var(--brand);
  font-weight: 500;
}
.tier-title { font-size: 17px; font-weight: 600; color: var(--ink); flex-shrink: 0; }
.tier-desc { font-size: 14px; line-height: 1.75; color: var(--ink-3); }

.value-grid {
  margin-top: clamp(36px, 4vw, 54px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.value-card {
  position: relative;
  padding: 34px 30px 32px;
  border-radius: var(--r-xl);
  background: #fff;
  border: 1px solid rgba(2, 99, 206, .08);
  box-shadow: 0 10px 30px rgba(62, 116, 175, .06);
  overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
.value-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 62px;
  height: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--grad-brand);
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 52px rgba(62, 116, 175, .14);
  border-color: rgba(2, 99, 206, .16);
}
.value-card .v-num {
  display: block;
  font-family: var(--font-num);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -1.5px;
  color: #DCE9F8;
}
.value-card h3 { margin-top: 16px; font-size: 19px; font-weight: 600; color: var(--ink); }
.value-card .v-desc {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-2);
}
.value-card ul {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 9px;
}
.value-card li {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-3);
  padding-left: 16px;
  position: relative;
}
.value-card li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--brand-bright);
}
.value-card li b { color: var(--ink-2); font-weight: 600; }

/* 卡片式网格（通用） */
.card-grid {
  margin-top: clamp(36px, 4vw, 54px);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 22px;
}
.link-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 30px 28px;
  border-radius: var(--r-xl);
  background: #fff;
  box-shadow: var(--sh-card);
  transition: transform .35s var(--ease);
}
.link-card:hover { transform: translateY(-4px); }
.link-card h3 { font-size: 19px; font-weight: 600; color: var(--ink); }
.link-card p { font-size: 14.5px; line-height: 1.8; color: var(--ink-3); }
.link-card .more {
  margin-top: auto;
  padding-top: 12px;
  font-size: 14.5px;
  color: var(--brand);
  font-weight: 500;
}
.link-card .more span { transition: transform .25s var(--ease); display: inline-block; }
.link-card:hover .more span { transform: translateX(4px); }

/* 文章列表（资讯页） */
.article-list {
  display: grid;
  gap: 16px;
  padding: 40px 0 40px;
}
.article-row {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr) 118px;
  gap: 26px;
  align-items: center;
  padding: 22px 26px;
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--line);
  transition: box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.article-row:hover { border-color: rgba(2, 99, 206, .3); box-shadow: var(--sh-soft); }
.article-thumb {
  height: 84px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 24px;
  font-weight: 600;
  background: var(--grad-brand);
}
.article-row h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.6;
}
.article-row p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.7;
}
.article-side { text-align: right; font-size: 13px; color: var(--faint); }
.article-side em {
  display: inline-block;
  margin-bottom: 8px;
  font-style: normal;
  padding: 4px 10px;
  border-radius: 6px;
  background: #EAF3FF;
  color: var(--brand);
  font-size: 12px;
}

/* 响应式补充 */
@media (max-width: 1080px) {
  .chain { grid-template-columns: 1fr; max-width: 640px; margin-left: auto; margin-right: auto; }
  .value-grid { grid-template-columns: 1fr; }
  .detail-layout { grid-template-columns: 1fr; gap: 36px; }
  .side-card { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .page-hero { padding: 52px 0 48px; }
  .page-desc { font-size: 16px; }
  .compare tbody th { width: 150px; }
  .article-row { grid-template-columns: 1fr; gap: 14px; }
  .article-thumb { width: 100%; }
  .article-side { text-align: left; }
}
@media (max-width: 560px) {
  .form-card { padding: 26px 22px 30px; }
  .form-grid { grid-template-columns: 1fr; }
  .tier-row { flex-wrap: wrap; gap: 10px; }
  .tier-label { width: auto; }
  .compare { min-width: 620px; font-size: 14px; }
  .compare th, .compare td { padding: 16px 18px; }
}

/* ==========================================================================
   25. 区块底部引导链接 / 其他地方补漏
   ========================================================================== */
p.section-foot {
  margin-top: 42px;
  text-align: center;
}
p.section-foot .link-arrow { font-size: 16px; }
.case-card .link-arrow,
.chain-card .link-arrow { margin-top: 22px; }
.nav-desktop a.is-active { color: var(--brand); }
.nav-desktop a.is-active::after { transform: scaleX(1); }

/* ==========================================================================
   26. 2026-10-23 全面优化：配图 · 动画 · 信息密度精简
   ========================================================================== */

/* ---------- 26.1 顶部滚动进度条 ---------- */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 300;
  width: 100%;
  height: 3px;
  background: var(--grad-brand);
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

/* ---------- 26.2 Hero：动态网格 + 光晕漂移 ---------- */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(2, 99, 206, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(2, 99, 206, .05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 90% 68% at 50% 38%, #000 30%, transparent 78%);
  mask-image: radial-gradient(ellipse 90% 68% at 50% 38%, #000 30%, transparent 78%);
  animation: gridPan 26s linear infinite;
  pointer-events: none;
}
@keyframes gridPan {
  from { background-position: 0 0, 0 0; }
  to   { background-position: 56px 56px, 56px 56px; }
}
.hero-glow { animation: glowDrift 9s ease-in-out infinite alternate; }
@keyframes glowDrift {
  from { transform: translateX(-50%) translateY(0)    scale(1);    opacity: .9; }
  to   { transform: translateX(-50%) translateY(26px) scale(1.12); opacity: 1; }
}

/* ---------- 26.3 Hero：逐行入场动画 ---------- */
html.js .anim-line { display: block; overflow: hidden; }
html.js .anim-line-inner {
  display: block;
  transform: translateY(110%);
  animation: lineUp .9s var(--ease-out) forwards;
  animation-delay: calc(.12s + var(--i, 0) * .13s);
}
@keyframes lineUp { to { transform: translateY(0); } }

html.js .anim-rise {
  opacity: 0;
  transform: translateY(22px);
  animation: riseIn .8s var(--ease-out) forwards;
  animation-delay: calc(.1s + var(--i, 0) * .12s);
}
@keyframes riseIn { to { opacity: 1; transform: translateY(0); } }

.hero-title .anim-line-inner .accent { font-style: normal; color: var(--brand-bright); }

/* ---------- 26.4 Hero：品类跑马灯 ---------- */
.hero-marquee {
  position: relative;
  margin-top: clamp(30px, 6vh, 64px);
  padding: 18px 0;
  border-top: 1px solid rgba(2, 99, 206, .08);
  border-bottom: 1px solid rgba(2, 99, 206, .08);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 0;
  width: max-content;
  animation: marquee 68s linear infinite;
}
.marquee-track span {
  position: relative;
  padding: 0 30px;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 1.6px;
  color: #A7B6C9;
  white-space: nowrap;
  transition: color .3s;
}
.marquee-track span::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #C9D6E5;
  transform: translateY(-50%);
}
.hero-marquee:hover .marquee-track { animation-play-state: paused; }
.hero-marquee:hover .marquee-track span { color: var(--brand); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 26.5 向下滚动指示 ---------- */
.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(2, 99, 206, .22);
  background: rgba(255, 255, 255, .7);
  backdrop-filter: blur(6px);
  animation: hintBounce 2.2s ease-in-out infinite;
}
.scroll-hint i {
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--brand);
  border-bottom: 2px solid var(--brand);
  transform: rotate(45deg) translate(-1px, -1px);
}
@keyframes hintBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(8px); }
}

/* ---------- 26.6 Showcase 左侧精简列表 ---------- */
.showcase-points {
  margin-top: 34px;
  display: grid;
  gap: 4px;
}
.showcase-points li {
  position: relative;
  padding: 16px 0 16px 26px;
  border-top: 1px solid var(--line-soft);
}
.showcase-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 27px;
  width: 8px;
  height: 8px;
  border-radius: 3px;
  background: var(--grad-brand);
}
.showcase-points strong {
  display: block;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}
.showcase-points span {
  display: block;
  margin-top: 5px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-3);
}
.showcase-copy .section-foot { margin-top: 26px; text-align: left; }

/* ---------- 26.7 场景卡配图 ---------- */
.scene-card {
  padding: 0 0 14px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 12px 36px rgba(62, 116, 175, .08);
}
.scene-card:hover { box-shadow: 0 22px 52px rgba(62, 116, 175, .15); }
.scene-img {
  margin: 0;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: var(--tint);
}
.scene-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.scene-card:hover .scene-img img { transform: scale(1.05); }
.scene-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 26px 10px;
}
.scene-content h3 { font-size: 20px; font-weight: 600; color: var(--ink); }
.scene-content .scene-role { align-self: flex-start; }
.scene-list li {
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-3);
}
.scene-list li::before {
  content: "";
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--brand-bright);
}

/* ---------- 26.8 优势区：左图右点 ---------- */
.adv-layout {
  display: grid;
  grid-template-columns: 1.04fr 1fr;
  gap: clamp(36px, 4.6vw, 64px);
  align-items: center;
  margin-top: clamp(44px, 5vw, 70px);
}
.adv-visual {
  position: relative;
  margin: 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: 0 26px 60px rgba(62, 116, 175, .16);
  aspect-ratio: 4 / 3;
  background: var(--tint);
}
.adv-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.09) translateY(var(--py, 0));
  will-change: transform;
}
.adv-visual-tag {
  position: absolute;
  left: 18px;
  bottom: 18px;
  padding: 9px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(8px);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--brand);
  box-shadow: 0 8px 22px rgba(2, 99, 206, .14);
}
.adv-points { display: grid; }
.adv-point {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
}
.adv-point:first-child { border-top: 0; padding-top: 4px; }
.adv-num {
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  line-height: 1.6;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.adv-point h3 { font-size: 18px; font-weight: 600; color: var(--ink); }
.adv-point p {
  margin-top: 7px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-3);
}

/* 对比表小标题 */
.compare-title {
  padding: 24px 26px 4px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .5px;
  color: var(--ink-3);
}

/* ---------- 26.9 全链路通道卡 ---------- */
.chain-card {
  padding: 0;
  gap: 0;
  overflow: hidden;
  flex-direction: column;
  border-radius: var(--r-xl);
  background: #fff;
  box-shadow: var(--sh-card);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.chain-card::before { display: none; }
.chain-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 28px 64px rgba(62, 116, 175, .17);
}
.chain-img {
  flex: 0 0 auto;
  margin: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--tint);
}
.chain-img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease);
}
.chain-card:hover .chain-img img { transform: scale(1.045); }
.chain-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 26px 28px 28px;
}
.chain-step {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 2.2px;
  color: var(--brand-bright);
}
.chain-content h3 {
  margin-top: 11px;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -.2px;
  color: var(--ink);
}
.chain-content > p:not(.chain-out) {
  margin-top: 11px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-3);
}
.chain-list {
  margin-top: 17px;
  display: grid;
  gap: 9px;
}
.chain-list li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--body);
}
.chain-list li::before {
  content: "";
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--brand-bright);
  opacity: .75;
}
.chain-out {
  margin-top: auto;
  padding-top: 17px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--ink-3);
}
.chain-out strong { color: var(--brand); font-weight: 600; }

/* ---------- 26.10 案例配图 ---------- */
.case-img {
  margin: 0;
  height: 100%;
  min-height: 300px;
  border-radius: 15px;
  overflow: hidden;
  background: var(--tint);
}
.case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease);
}
.case-card:hover .case-img img { transform: scale(1.045); }
.case-quote { margin-top: 0; }

/* ---------- 26.11 资讯配图 ---------- */
.news-img {
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--tint);
}
.news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.news-card:hover .news-img img { transform: scale(1.06); }
.news-body h3 { font-size: 17.5px; }

/* ---------- 26.12 六步连接线：进入视口后逐个点亮 ---------- */
html.js .step.is-in::after { width: 100%; }
html.js .step-grid .step:nth-child(1).is-in::after { transition-delay: .15s; }
html.js .step-grid .step:nth-child(2).is-in::after { transition-delay: .30s; }
html.js .step-grid .step:nth-child(3).is-in::after { transition-delay: .45s; }
html.js .step-grid .step:nth-child(4).is-in::after { transition-delay: .60s; }
html.js .step-grid .step:nth-child(5).is-in::after { transition-delay: .75s; }
html.js .step-grid .step:nth-child(6).is-in::after { transition-delay: .90s; }

/* ---------- 26.13 响应式 ---------- */
@media (max-width: 1080px) {
  .adv-layout { grid-template-columns: 1fr; }
  .adv-visual { max-width: 660px; margin: 0 auto; width: 100%; }
  .chain { grid-template-columns: 1fr; max-width: 640px; margin-left: auto; margin-right: auto; }
}
@media (max-width: 860px) {
  .scroll-hint { display: none; }
  .marquee-track { gap: 40px; }
  .marquee-track span { font-size: 15px; }
  .case-card { grid-template-columns: 1fr; padding: 26px; gap: 30px; }
  .case-img { min-height: 220px; aspect-ratio: 16 / 10; }
  .scene-content { padding: 18px 20px 8px; }
}
@media (max-width: 560px) {
  .scene-card { padding: 0 0 10px; }
  .compare-title { padding: 18px 18px 2px; }
}

/* 减弱动画偏好 */
@media (prefers-reduced-motion: reduce) {
  .marquee-track, .hero-grid, .hero-glow, .scroll-hint { animation: none; }
  html.js .anim-line-inner, html.js .anim-rise { animation: none; transform: none; opacity: 1; }
}

/* ---------- 26.14 详情页横幅配图 / 列表缩略图 ---------- */
.prose-banner {
  margin: 0 0 clamp(34px, 4vw, 52px);
  border-radius: var(--r-xl);
  overflow: hidden;
  aspect-ratio: 21 / 9;
  background: var(--tint);
  box-shadow: 0 22px 54px rgba(62, 116, 175, .14);
}
.prose-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease);
}
.prose-banner:hover img { transform: scale(1.03); }

.article-thumb--img {
  width: 148px;
  padding: 0;
  overflow: hidden;
  background: var(--tint);
}
.article-thumb--img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.article-row:hover .article-thumb--img img { transform: scale(1.06); }

@media (max-width: 860px) {
  .prose-banner { aspect-ratio: 16 / 9; }
  .article-thumb--img { width: 96px; height: 64px; }
}

/* ---------- 26.15 网格项最小宽度兜底（避免图片固有宽度撑开容器） ---------- */
.case-card > *,
.scene-card > *,
.chain-card > *,
.adv-layout > * { min-width: 0; }
.case-img, .scene-img, .chain-img, .news-img, .prose-banner { width: 100%; }

/* ---------- 26.15 网格项最小宽度兜底（避免图片固有宽度撑开容器） ---------- */
.case-card > *,
.scene-card > *,
.chain-card > *,
.adv-layout > * { min-width: 0; }
.case-img, .scene-img, .chain-img, .news-img, .prose-banner { width: 100%; }

/* ==========================================================================
   27. 第二轮深度打磨：字体节奏 · 微交互 · 视觉一致性
   ========================================================================== */

/* ---------- 27.1 中文标题字距修正 ----------
   负字距会让中文标题发挤，改为 0 或微正字距，同时把纯黑换成深藏青 */
.hero-title,
.section-title,
.cta-inner h2,
.page-title {
  letter-spacing: 0;
  color: var(--ink);
}
.hero-title { line-height: 1.3; }
.section-title { line-height: 1.32; }

/* ---------- 27.2 强调词渐变 ---------- */
.section-title .accent,
.hero-title .accent,
.cta-inner .accent,
.page-title .accent {
  background: linear-gradient(96deg, #0263CE 0%, #039EEB 66%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #039EEB;
}

/* ---------- 27.3 眉标精修 ---------- */
.eyebrow {
  padding: 9px 19px;
  border: 1px solid rgba(2, 99, 206, .09);
  background: rgba(2, 99, 206, .055);
  color: #1C5FAA;
  font-size: 13.5px;
  letter-spacing: .7px;
}

/* ---------- 27.4 Hero 正文色阶 ---------- */
.hero-desc { color: #64748B; }

/* ---------- 27.5 品类跑马灯对比度 ---------- */
.marquee-track span {
  padding: 0 27px;
  font-size: 15.5px;
  letter-spacing: 1.4px;
  color: #93A7BC;
}

/* ---------- 27.6 卡片微交互统一（悬停上浮 + 阴影加深） ---------- */
.scene-card,
.news-card,
.case-card,
.link-card,
.article-row {
  transition: transform .45s var(--ease), box-shadow .45s var(--ease),
              border-color .45s var(--ease);
}
.scene-card:hover,
.news-card:hover,
.case-card:hover,
.link-card:hover { transform: translateY(-5px); }
.scene-card:hover,
.news-card:hover { box-shadow: 0 26px 56px rgba(62, 116, 175, .15); }

/* ---------- 27.7 数据卡顶部高光 ---------- */
.stat-card {
  position: relative;
  overflow: hidden;
}
.stat-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(130% 74% at 50% -22%, rgba(255, 255, 255, .92), transparent 62%);
}

/* ---------- 27.8 图片区统一裁切基准 ---------- */
.scene-img,
.news-img,
.chain-img { position: relative; }
.scene-img img,
.news-img img,
.chain-img img { will-change: transform; }

/* ---------- 27.9 悬浮业务卡：窄屏隐藏，避免压住标题 ---------- */
@media (max-width: 1360px) {
  .float-card { display: none; }
}

/* ---------- 27.10 移动端跑马灯 ---------- */
@media (max-width: 860px) {
  .hero-marquee { margin-top: 34px; padding: 14px 0; }
  .marquee-track span { padding: 0 18px; font-size: 14px; letter-spacing: 1px; }
}

/* ---------- 27.11 品牌区窄屏收缩 ---------- */
@media (max-width: 520px) {
  .brand-name { font-size: 17px; letter-spacing: 1.6px; }
  .brand-tag { display: none; }
  .brand-divider { display: none; }
}

/* ==========================================================================
   28. 第三轮细节校准
   ========================================================================== */

/* 28.1 场景卡：图片裁切比例放宽，避免插画关键元素被切 */
.scene-img { aspect-ratio: 4 / 3; }

/* 28.2 案例卡：图片用固定比例，卡片高度自然收住，不再出现大片留白 */
.case-card { align-items: center; }
.case-img {
  height: auto;
  min-height: 0;
  aspect-ratio: 4 / 3;
}
.case-img img { height: 100%; }

/* 28.3 标签组：明确为标签而非可切换页签 */
.tag { cursor: default; transition: background .25s var(--ease), color .25s var(--ease); }
.tag:not(.is-active):hover { background: rgba(2, 99, 206, .14); }

/* 28.4 跑马灯再提一档对比度 */
.marquee-track span { color: #8497AD; }

/* 28.5 页脚地名/备案行层级 */
.footer-bottom p { letter-spacing: .2px; }

/* 28.6 移动端：场景卡图片高度、案例卡间距 */
@media (max-width: 860px) {
  .scene-img { aspect-ratio: 16 / 10; }
  .case-img { min-height: 220px; }
  .chain-list { gap: 8px; }
}

/* ==========================================================================
   29. 结构兜底：卡片内层容器缺失时不至于贴边
   ========================================================================== */
.chain-card:not(:has(.chain-content)) { padding: 28px 26px; gap: 0; }
.chain-card:not(:has(.chain-content)) h3 { margin-top: 11px; }
.chain-card:not(:has(.chain-content)) > p { margin-top: 11px; }
.scene-card:not(:has(.scene-content)) { padding: 26px; }

/* ==========================================================================
   30. 区块底部双入口：主链接 + 次级链接
   ========================================================================== */
.section-foot .link-arrow + .link-arrow {
  margin-left: 30px;
  color: var(--ink-3);
  font-size: 16px;
}
.section-foot .link-arrow + .link-arrow:hover { color: var(--brand); }

@media (max-width: 760px) {
  .section-foot .link-arrow + .link-arrow {
    margin-left: 0;
    margin-top: 12px;
    font-size: 15px;
  }
}

/* ==========================================================================
   31. 真实照片：生态实证 / 一线现场（2026-10-31 新增）
   ========================================================================== */
.prose-banner { position: relative; }

/* 真实合影用 16:9，避免 21:9 把人裁掉 */
.prose-banner--photo { aspect-ratio: 16 / 9; }
.prose-banner-cap {
  position: absolute;
  inset: auto 0 0 0;
  padding: 52px 26px 16px;
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: .02em;
  color: rgba(255, 255, 255, .94);
  background: linear-gradient(180deg, rgba(0, 21, 59, 0) 0%, rgba(0, 21, 59, .74) 100%);
  pointer-events: none;
}

/* ---- 生态合作实证 ---- */
.eco-block {
  margin-top: clamp(48px, 6vw, 78px);
  padding-top: clamp(30px, 4vw, 44px);
  border-top: 1px solid var(--line);
}
.eco-block-title {
  margin: 0 0 22px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .04em;
}
.eco-block-title span {
  margin-left: 12px;
  font-size: 13.5px;
  font-weight: 400;
  color: var(--ink-3);
  letter-spacing: 0;
}
.eco-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.eco-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg);
  box-shadow: 0 12px 32px rgba(62, 116, 175, .08);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.eco-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 46px rgba(62, 116, 175, .15);
}
.eco-card img {
  display: block;
  width: 100%;
  height: clamp(150px, 15vw, 198px);
  object-fit: cover;
  background: var(--tint);
}
.eco-card figcaption {
  flex: 1 1 auto;
  padding: 14px 16px 16px;
}
.eco-card figcaption strong {
  display: block;
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}
.eco-card figcaption span {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-3);
}
.eco-note {
  margin: 20px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--brand);
  border-radius: var(--r-sm);
  background: var(--tint);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--body);
}
.eco-note strong { color: var(--ink); font-weight: 700; }

/* ---- 资质与授权证书 ---- */
.cert-block { margin-top: clamp(34px, 4vw, 52px); }
.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  max-width: 880px;
  align-items: stretch;
}
.cert-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  margin: 0;
  padding: 16px 16px 4px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg);
  box-shadow: 0 12px 32px rgba(62, 116, 175, .08);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.cert-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 46px rgba(62, 116, 175, .15);
}
.cert-card img {
  display: block;
  width: 100%;
  height: clamp(240px, 24vw, 320px);
  object-fit: contain;
  object-position: center center;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
}
.cert-card figcaption {
  flex: 1 1 auto;
  padding: 13px 4px 12px;
}
.cert-card figcaption strong {
  display: block;
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}
.cert-card figcaption span {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.62;
  color: var(--ink-3);
}

/* ---- 一线现场图片墙 ---- */
.real-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: clamp(30px, 4vw, 46px);
}
.real-card {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: #0B1524;
  box-shadow: 0 10px 28px rgba(0, 21, 59, .10);
}
.real-card img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.real-card:hover img { transform: scale(1.045); }
.real-card figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 42px 16px 13px;
  font-size: 13px;
  line-height: 1.5;
  color: #fff;
  background: linear-gradient(180deg, rgba(0, 21, 59, 0) 0%, rgba(0, 21, 59, .80) 100%);
  pointer-events: none;
}

@media (max-width: 1080px) {
  .eco-strip,
  .real-gallery { gap: 14px; }
}
@media (max-width: 860px) {
  .eco-strip,
  .real-gallery { grid-template-columns: 1fr 1fr; }
  .cert-grid { grid-template-columns: 1fr; max-width: 440px; }
  .eco-block-title span { display: block; margin: 6px 0 0; }
}
@media (max-width: 560px) {
  .eco-strip,
  .real-gallery { grid-template-columns: 1fr; }
  .prose-banner--photo { aspect-ratio: 4 / 3; }
  .prose-banner-cap { padding: 40px 16px 13px; font-size: 12px; }
}