/* =====================================================================
   知域 DRM 落地页样式 — 纯手写 CSS，无框架、无构建步骤
   1. 令牌  2. 基础  3. 组件  4. 区块  5. 响应式  6. 动效降级
   ===================================================================== */

/* ---------- 1. 设计令牌：单一品牌蓝 + 中性灰阶 ---------- */
:root {
  --brand-50: #eef4ff;
  --brand-100: #dde8ff;
  --brand-200: #c3d6fe;
  --brand-300: #9dbafa;
  --brand-400: #5f8cf6;
  --brand-500: #3b76f6;
  --brand-600: #2563eb;
  --brand-700: #1d4ed8;
  --brand-800: #1e40af;
  --brand-900: #1c357c;

  --accent-50: #eafcff;
  --accent-100: #c9f4f8;
  --accent-300: #75dbe6;
  --accent-400: #19b8c8;
  --accent-500: #19b8c8;
  --accent-600: #0799ad;

  --ink-900: #0f172a;
  --ink-800: #1e293b;
  --ink-700: #334155;
  --ink-600: #475569;
  --ink-500: #64748b;
  --ink-400: #94a3b8;
  --ink-300: #cbd5e1;

  --line-100: #f1f5f9;
  --line-200: #e2e8f0;
  --band: #f8fafc;
  --surface: #ffffff;
  --surface-raised: #f8fafc;
  --page: #ffffff;
  --warn-bg: #fffbeb;
  --warn-fg: #b45309;

  --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px -12px rgba(15, 23, 42, 0.08);
  --shadow-lift: 0 2px 4px rgba(15, 23, 42, 0.04), 0 18px 40px -16px rgba(15, 23, 42, 0.12);
  --shadow-panel: 0 32px 64px -28px rgba(37, 99, 235, 0.2), 0 8px 24px -12px rgba(15, 23, 42, 0.1);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --shell: 1200px;

  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

/* ---------- 2. 基础 ---------- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink-900);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.25;
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
}

time {
  font-variant-numeric: tabular-nums;
}

[hidden] {
  display: none !important;
}

::selection {
  background: var(--brand-600);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--brand-600);
  outline-offset: 2px;
}

.sprite {
  display: none;
}

.icon {
  display: block;
  width: var(--icon, 20px);
  height: var(--icon, 20px);
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 60;
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--ink-900);
  color: #fff;
  font-size: 13px;
  transition: top 0.2s var(--ease);
}

.skip-link:focus-visible {
  top: 12px;
}

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: 20px;
}

.section {
  padding-block: 80px;
}

.band {
  background: var(--band);
  border-top: 1px solid rgba(226, 232, 240, 0.7);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
}

#scenarios {
  background: #f5f6f7;
  border-block: 1px solid #e4e7e9;
}

#demo {
  background: #f4f7f5;
  border-bottom: 1px solid #e2e8e4;
}

.muted {
  color: var(--ink-500);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--brand-700);
}

.eyebrow-rule {
  width: 28px;
  height: 1px;
  background: rgba(37, 99, 235, 0.4);
}

h1 {
  margin-top: 24px;
  font-size: clamp(30px, 4.6vw, 54px);
  line-height: 1.16;
}

h2 {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.3;
}

.lead {
  margin-top: 24px;
  max-width: 42em;
  font-size: 15px;
  line-height: 32px;
  color: var(--ink-600);
}

.fineprint {
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid rgba(226, 232, 240, 0.8);
  font-size: 12.5px;
  line-height: 24px;
  color: var(--ink-400);
}

.fineprint.with-icon {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.fineprint.with-icon .icon {
  --icon: 16px;
  margin-top: 3px;
  color: var(--ink-400);
}

/* ---------- 3. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease),
    color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.btn-lg {
  height: 48px;
  padding-inline: 28px;
  font-size: 15px;
}

.btn-md {
  height: 44px;
  padding-inline: 24px;
  font-size: 14.5px;
}

.btn-sm {
  height: 40px;
  padding-inline: 20px;
  font-size: 14px;
}

.btn-primary {
  background: var(--brand-600);
  color: #fff;
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
  background: var(--brand-700);
}

.btn-ghost {
  border-color: var(--ink-300);
  color: var(--ink-700);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--ink-400);
  background: #fff;
}

.btn-text {
  border: 0;
  background: none;
  color: var(--ink-500);
  height: 44px;
  padding-inline: 16px;
  font-size: 14px;
  font-weight: 500;
}

.btn-text:hover {
  color: var(--ink-800);
}

.btn .icon {
  --icon: 16px;
  stroke-width: 1.9;
  transition: transform 0.3s var(--ease);
}

.btn:hover .icon-arrow,
.btn-primary:hover .icon {
  transform: translateX(4px);
}

.header-cta .icon,
.btn-block .icon {
  --icon: 15px;
}

.header-cta:hover .icon {
  transform: translate(2px, -2px);
}

.btn-block {
  width: 100%;
  height: 44px;
  font-size: 15px;
  margin-block: 12px;
}

/* ---------- 4. 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: rgba(226, 232, 240, 0.7);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 4px;
  background: var(--brand-600);
  color: #fff;
}

.brand-mark .icon {
  --icon: 18px;
  stroke-width: 1.8;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-text strong {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0;
}

.brand-text small {
  margin-top: 4px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--ink-400);
}

.nav {
  display: none;
  align-items: center;
  gap: 36px;
}

.nav a {
  position: relative;
  font-size: 14px;
  color: var(--ink-600);
  transition: color 0.3s var(--ease);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: var(--brand-600);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.nav a:hover {
  color: var(--ink-900);
}

.nav a:hover::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-200);
  border-radius: 4px;
  background: transparent;
  color: var(--ink-700);
  cursor: pointer;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.nav-toggle:hover {
  border-color: var(--ink-300);
  background: var(--band);
}

.nav-toggle .icon {
  --icon: 18px;
}

.mobile-nav {
  position: absolute;
  inset-inline: 0;
  top: 100%;
  background: #fff;
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  box-shadow: var(--shadow-lift);
  animation: fade-down 0.2s var(--ease);
}

.mobile-nav nav {
  display: flex;
  flex-direction: column;
  padding-block: 8px 20px;
}

.mobile-nav a {
  padding-block: 14px;
  font-size: 15px;
  color: var(--ink-700);
  border-bottom: 1px solid var(--line-100);
}

.mobile-nav a:last-child {
  border-bottom: 0;
}

.mobile-nav a:hover {
  color: var(--brand-700);
}

/* ---------- 5. Hero ---------- */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.hero-wash {
  position: absolute;
  inset: 0 0 auto;
  height: 560px;
  z-index: -2;
  background: #f5f8fc;
}

.hero-grid-lines {
  display: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: 56px;
  padding-block: 48px 64px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 40px;
  margin: 48px 0 0;
}

.hero-metrics div {
  display: flex;
  flex-direction: column;
}

.hero-metrics dd {
  order: -1;
  margin: 0;
  font-size: 26px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
}

.hero-metrics dt {
  margin-top: 6px;
  font-size: 13px;
  color: var(--ink-500);
}

/* 首屏：文件外发保护示意 */
.hero-visual {
  position: relative;
  max-width: 520px;
  margin-inline: auto;
  isolation: isolate;
}

.scene-backdrop {
  position: absolute;
  z-index: -1;
  inset: 18px -12px -12px 20px;
  border: 1px solid #e0e5e2;
  border-radius: 2px;
  background: #f2f4f1;
}

.protection-scene {
  position: relative;
  overflow: hidden;
  padding: 24px 26px 20px;
  border: 1px solid #d9dfdc;
  border-radius: 2px;
  background: #fff;
  box-shadow: 0 22px 48px -28px rgba(34, 49, 44, .24), 0 3px 8px rgba(34, 49, 44, .035);
}

.scene-head,
.scene-file,
.access-row,
.scene-audit {
  display: flex;
  align-items: center;
}

.scene-head {
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e8ece9;
}

.scene-kicker,
.scene-state {
  display: flex;
  align-items: center;
  gap: 8px;
}

.scene-kicker {
  color: #273b36;
  font-size: 13px;
  font-weight: 650;
}

.scene-pulse {
  display: none;
}

.scene-state {
  color: #718078;
  font-size: 11px;
  white-space: nowrap;
}

.scene-state .icon {
  --icon: 14px;
  color: #527b67;
}

.scene-file {
  position: relative;
  gap: 15px;
  min-height: 78px;
  padding: 12px 14px;
  border: 1px solid #e2e6e3;
  border-radius: 2px;
  background: #fcfcfb;
}

.scene-file-icon,
.access-icon,
.audit-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

.scene-file-icon {
  width: 34px;
  height: 40px;
  border: 1px solid #d9dfdc;
  border-radius: 2px;
  background: #fff;
  color: #61766c;
}

.scene-file-icon .icon {
  --icon: 19px;
}

.scene-file-copy,
.access-copy,
.scene-audit > span:nth-child(2) {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.4;
}

.scene-file-copy strong,
.access-copy strong,
.scene-audit strong {
  color: #293832;
  font-size: 12px;
  font-weight: 600;
}

.scene-file-copy small,
.access-copy small,
.scene-audit small {
  margin-top: 3px;
  color: #77827c;
  font-size: 11px;
}

.scene-lock {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-left: auto;
  border-left: 1px solid #e2e6e3;
  border-radius: 0;
  background: transparent;
  color: #557361;
}

.scene-lock .icon {
  --icon: 15px;
}

.scene-examples {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 10px 4px 0;
  color: #65716a;
  font-size: 11px;
  line-height: 18px;
}

.scene-examples span:first-child {
  margin-right: 4px;
  color: #89938d;
}

.scene-examples span + span::before {
  padding-inline: 7px;
  color: #aab2ad;
  content: "·";
}

.scene-flow {
  height: 31px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 8px;
}

.scene-flow span {
  width: 1px;
  height: 18px;
  background: #c8cfca;
}

.scene-flow .icon {
  --icon: 13px;
  margin-bottom: -5px;
  color: #718078;
}

.scene-label {
  margin-bottom: 8px;
  color: #69766f;
  font-size: 11px;
  text-align: left;
}

.scene-access {
  display: grid;
  gap: 0;
  border-top: 1px solid #e7ebe8;
}

.access-row {
  gap: 11px;
  min-height: 53px;
  padding: 8px 9px;
  border: 0;
  border-bottom: 1px solid #e7ebe8;
  border-radius: 0;
  background: transparent;
}

.access-allow {
  color: #526f60;
}

.access-limit {
  color: #567082;
}

.access-deny {
  background: #fbf5f2;
}

.access-icon {
  width: 29px;
  height: 29px;
  border-radius: 50%;
  background: #f0f2ef;
  color: #66756c;
}

.access-icon .icon {
  --icon: 16px;
}

.access-limit .access-icon {
  background: #f0f2f3;
  color: #66737b;
}

.access-deny .access-icon {
  background: #f2e4dd;
  color: #985e4a;
}

.access-result {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-left: auto;
  color: #4c725c;
  font-size: 11px;
  font-weight: 550;
  white-space: nowrap;
}

.access-result .icon {
  --icon: 14px;
}

.access-limit .access-result {
  color: #647680;
}

.access-deny .access-result {
  color: #a25d43;
}

.scene-audit {
  gap: 10px;
  margin-top: 0;
  padding: 13px 9px 0;
  border-top: 0;
}

.audit-icon {
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #697b6e;
}

.audit-icon .icon {
  --icon: 16px;
}

.audit-lines {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 28px;
  margin-left: auto;
}

.audit-lines i {
  height: 1px;
  border-radius: 0;
  background: #cbd3cd;
}

.audit-lines i:nth-child(2) {
  width: 76%;
}

.scene-audit strong {
  font-size: 11px;
}

.scene-scope {
  display: flex;
  flex-wrap: wrap;
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid #e7ebe8;
  color: #68746d;
  font-size: 10px;
  line-height: 18px;
}

.scene-scope li + li::before {
  padding-inline: 7px;
  color: #aab2ad;
  content: "·";
}

/* 流转流程条 */
.flow-rail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 64px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.flow-tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-600);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
}

.flow-tab:not(:last-child)::after {
  content: "→";
  margin-left: 12px;
  color: var(--ink-300);
  font-weight: 400;
}

.fr-step {
  display: inline-grid;
  place-items: center;
  width: 16px;
  height: 16px;
  border-radius: 3px;
  background: var(--brand-50);
  color: var(--brand-600);
  font-size: 10px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.fr-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--ink-500);
  font-size: 12px;
  font-weight: 500;
}

.fr-note .icon {
  flex: none;
  color: var(--brand-600);
}

/* ---------- 6. 区块标题 ---------- */
.intro {
  display: grid;
  gap: 24px;
}

.intro-desc {
  font-size: 15px;
  line-height: 28px;
  color: var(--ink-600);
}

.capability-intro {
  align-items: end;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: 40px;
}

/* ---------- 7. 文件流转控制过程 ---------- */
.capability-section {
  background: #f3f7f6;
  border-block: 1px solid #e3ebe7;
}

.control-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: 64px;
}

.flow-step {
  position: relative;
  min-width: 0;
  padding-right: 28px;
}

.flow-step:not(:last-child)::after {
  position: absolute;
  top: 23px;
  left: 56px;
  right: 18px;
  height: 1px;
  background: #9bd9dc;
  content: '';
}

.flow-node {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid #80cdd2;
  border-radius: 4px;
  background: #effafa;
  color: #087d89;
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.flow-step:first-child .flow-node {
  border-color: var(--brand-600);
  background: var(--brand-600);
  color: #fff;
}

.flow-copy {
  padding-top: 22px;
}

.flow-label {
  color: #087d89;
  font-size: 13px;
  font-weight: 600;
}

.flow-copy h3 {
  margin-top: 10px;
  max-width: 15ch;
  font-size: 19px;
  line-height: 1.45;
}

.flow-detail {
  margin-top: 12px;
  max-width: 31ch;
  color: var(--ink-600);
  font-size: 14px;
  line-height: 26px;
}

@media (min-width: 960px) {
  .control-flow {
    margin-top: 72px;
  }

  .flow-step {
    padding-right: 32px;
  }
}

@media (max-width: 959px) {
  .control-flow {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    margin-top: 40px;
  }

  .flow-step {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    column-gap: 16px;
    padding: 0 0 30px;
  }

  .flow-step:not(:last-child)::after {
    top: 48px;
    bottom: 0;
    left: 23px;
    right: auto;
    width: 1px;
    height: auto;
  }

  .flow-copy {
    padding-top: 0;
  }

  .flow-copy h3 {
    margin-top: 5px;
  }

  .flow-detail {
    margin-top: 8px;
    max-width: 48ch;
  }
}

/* ---------- 8. 行业方案 ---------- */
.solutions {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
}

.solutions-copy {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  align-items: end;
  column-gap: 48px;
}

.solutions-copy .eyebrow,
.solutions-copy h2 {
  grid-column: 1;
}

.solutions-copy .lead {
  grid-column: 2;
  grid-row: 1 / span 2;
  margin-top: 0;
}

.solutions-copy .fineprint {
  grid-column: 1;
  margin-top: 28px;
}

.industry-explorer {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: stretch;
  gap: 40px;
}

.solutions-copy h2 {
  margin-top: 24px;
}

.industry-list {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  min-width: 0;
}

.industry-item {
  min-width: 0;
}

.industry-row {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  min-height: 84px;
  padding: 14px 16px;
  border: 1px solid transparent;
  border-radius: 3px;
  background: none;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.industry-row:hover,
.industry-item.is-active .industry-row {
  border-color: rgba(7, 153, 173, 0.2);
  background: rgba(255, 255, 255, 0.72);
}

.ir-index {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: none;
  border: 1px solid var(--line-200);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-500);
  font-variant-numeric: tabular-nums;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.ir-main {
  flex: 1;
  min-width: 0;
}

.ir-title {
  display: block;
  font-size: 15px;
  font-weight: 600;
  transition: color 0.3s var(--ease);
}

.ir-desc {
  display: block;
  margin-top: 5px;
  max-width: 48ch;
  font-size: 12.5px;
  line-height: 21px;
  color: var(--ink-500);
}

.ir-arrow {
  flex: none;
  color: var(--ink-400);
  transition: transform 0.3s var(--ease), color 0.3s var(--ease);
}

.ir-arrow .icon {
  --icon: 18px;
}

.industry-row:hover .ir-title,
.industry-item.is-active .ir-title {
  color: var(--brand-700);
}

.industry-item.is-active .ir-index {
  border-color: var(--brand-600);
  background: var(--brand-600);
  color: #fff;
}

.industry-row:hover .ir-arrow {
  transform: translateX(4px);
  color: var(--brand-600);
}

.industry-item.is-active .ir-arrow {
  color: var(--brand-600);
}

.industry-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100%;
  padding: 32px;
  border: 1px solid rgba(7, 153, 173, 0.17);
  border-radius: 4px;
  background: #fff;
  animation: panel-in 0.3s var(--ease);
}

.industry-panel .industry-panel-kicker {
  margin-bottom: 12px;
  color: #087d89;
  font-size: 12px;
  font-weight: 600;
}

.industry-panel p {
  max-width: 42ch;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--ink-800);
}

.panel-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
}

.scene-tag {
  padding: 5px 9px;
  border: 1px solid var(--line-200);
  border-radius: 4px;
  background: #f8fafc;
  font-size: 12px;
  color: var(--ink-500);
  font-variant-numeric: tabular-nums;
}

.panel-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
  border: 0;
  background: none;
  padding: 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--brand-700);
  cursor: pointer;
  transition: color 0.3s var(--ease);
}

.panel-link .icon {
  --icon: 15px;
  stroke-width: 1.9;
  transition: transform 0.3s var(--ease);
}

.panel-link:hover {
  color: var(--brand-900);
}

.panel-link:hover .icon {
  transform: translateX(4px);
}

@media (max-width: 959px) {
  .solutions-copy {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 0;
  }

  .solutions-copy .eyebrow,
  .solutions-copy h2,
  .solutions-copy .lead,
  .solutions-copy .fineprint {
    grid-column: 1;
    grid-row: auto;
  }

  .solutions-copy .lead {
    margin-top: 20px;
  }

  .industry-explorer {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .industry-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: start;
  }

  .industry-panel {
    min-height: 0;
  }
}

@media (max-width: 559px) {
  .solutions {
    gap: 32px;
  }

  .industry-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .industry-row {
    min-height: 72px;
    padding: 12px;
  }

  .industry-panel {
    padding: 24px 20px;
  }

  .panel-foot {
    margin-top: 20px;
  }
}

/* ---------- 9. 场景清单 ---------- */
.toolbar {
  display: grid;
  gap: 16px;
  margin-top: 48px;
}

.search {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 16px;
  --icon: 17px;
  color: var(--ink-400);
  pointer-events: none;
}

.search input {
  width: 100%;
  height: 48px;
  padding: 0 48px;
  border: 1px solid var(--line-200);
  border-radius: 4px;
  background: #fff;
  font: inherit;
  font-size: 15px;
  color: var(--ink-900);
  outline: none;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.search input::placeholder {
  color: var(--ink-400);
}

.search input::-webkit-search-cancel-button {
  -webkit-appearance: none;
  appearance: none;
}

.search input:hover {
  border-color: var(--ink-300);
}

.search input:focus {
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px rgba(59, 118, 246, 0.15);
}

.search kbd {
  position: absolute;
  right: 14px;
  display: none;
  align-items: center;
  justify-content: center;
  height: 24px;
  padding-inline: 6px;
  border: 1px solid var(--line-200);
  border-radius: 5px;
  background: var(--band);
  font-family: inherit;
  font-size: 11px;
  color: var(--ink-400);
  pointer-events: none;
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding-inline: 16px;
  border: 1px solid var(--line-200);
  border-radius: 4px;
  background: #fff;
  font-size: 13px;
  color: var(--ink-600);
  cursor: pointer;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease),
    color 0.3s var(--ease);
}

.pill:hover {
  border-color: var(--ink-300);
  color: var(--ink-900);
}

.pill .count {
  opacity: 0.6;
  font-variant-numeric: tabular-nums;
}

.pill.is-active {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: #fff;
}

.focus-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 20px;
  padding: 12px 16px;
  border: 1px solid var(--brand-100);
  border-radius: 4px;
  background: rgba(238, 244, 255, 0.7);
  font-size: 13px;
  color: var(--brand-900);
}

.focus-banner span {
  color: rgba(29, 78, 216, 0.75);
}

.focus-clear {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  border: 0;
  background: none;
  padding: 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--brand-700);
  cursor: pointer;
}

.focus-clear .icon {
  --icon: 14px;
  stroke-width: 2;
}

.result-line {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
  font-size: 13px;
  color: var(--ink-500);
}

.result-line strong {
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
}

.result-line .result-note {
  color: var(--ink-400);
}

.result-line .rule {
  flex: 1;
  height: 1px;
  background: var(--line-100);
}

.cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0 32px;
  margin-top: 28px;
}

.card {
  --scene-accent: #2563eb;
  --scene-soft: #edf3ff;
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 176px;
  padding: 16px 14px 14px;
  border: 0;
  border-bottom: 1px solid #dce3e4;
  border-left: 2px solid var(--scene-accent);
  border-radius: 0;
  background: transparent;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.card[data-category="人员与授权"] {
  --scene-accent: #4263a4;
  --scene-soft: #edf2fb;
}

.card[data-category="文件与外发"] {
  --scene-accent: #087d89;
  --scene-soft: #eaf7f7;
}

.card[data-category="运营与审计"] {
  --scene-accent: #577b58;
  --scene-soft: #eef5ed;
}

.card[data-category="扩展与集成"] {
  --scene-accent: #a66b20;
  --scene-soft: #fbf3e7;
}

.card:hover {
  border-color: color-mix(in srgb, var(--scene-accent) 32%, #dce3e4);
  border-left-color: var(--scene-accent);
  background: color-mix(in srgb, var(--scene-soft) 42%, #fff);
}

.card > * {
  position: relative;
  z-index: 1;
}

.card--featured {
  color: var(--ink-900);
  background: color-mix(in srgb, var(--scene-soft) 58%, #fff);
}

.card--featured::before {
  content: none;
}

.card--featured:hover {
  background: #fff;
}

.card-highlight {
  align-self: flex-start;
  margin-bottom: 6px;
  padding: 2px 7px;
  border: 1px solid rgba(37, 99, 235, 0.16);
  border-radius: 4px;
  background: #fff;
  color: var(--scene-accent);
  font-size: 12px;
  font-weight: 600;
  line-height: 18px;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 11.5px;
  color: var(--ink-400);
  font-variant-numeric: tabular-nums;
}

.card-ident {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 8px;
}

.card-code {
  padding: 2px 6px;
  border: 1px solid color-mix(in srgb, var(--scene-accent) 20%, transparent);
  border-radius: 4px;
  background: var(--scene-soft);
  color: var(--scene-accent);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 10px;
  font-weight: 600;
  line-height: 16px;
  white-space: nowrap;
}

.card-facet {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-added {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
  color: var(--brand-600);
}

.card-added .icon {
  --icon: 13px;
  stroke-width: 2;
}

.card-main {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
  flex: 1;
  margin-top: 16px;
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-top: 2px;
  border-radius: 3px;
  background: transparent;
  color: var(--scene-accent);
}

.card-icon .icon {
  --icon: 17px;
}

.card h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 24px;
}

.card--featured h3 {
  color: #12356f;
}

.card-copy {
  min-width: 0;
}

.card--featured .card-added {
  color: var(--accent-600);
}

.card p {
  margin-top: 7px;
  font-size: 13.5px;
  line-height: 24px;
  color: var(--ink-600);
}

.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  padding-top: 10px;
  border-top: 1px solid rgba(226, 232, 240, 0.8);
}

.scope {
  padding: 4px 8px;
  border-radius: 3px;
  background: var(--line-100);
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-500);
}

.scope.extend {
  background: var(--warn-bg);
  color: var(--warn-fg);
}

.card--featured .scope {
  background: #e8f1ff;
  color: var(--ink-600);
}

.card--featured .scope.extend {
  background: var(--warn-bg);
  color: var(--warn-fg);
}

.card-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 0;
  background: none;
  padding: 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--scene-accent);
  cursor: pointer;
  transition: color 0.3s var(--ease);
}

.card-more .icon {
  --icon: 15px;
  stroke-width: 1.9;
  transition: transform 0.3s var(--ease);
}

.card-more:hover {
  color: var(--brand-900);
}

.card--featured .card-more {
  color: var(--brand-700);
}

.card--featured .card-more:hover {
  color: var(--accent-600);
}

.card:hover .card-more .icon {
  transform: translateX(4px);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 24px;
  padding: 80px 24px;
  border: 1px dashed var(--line-200);
  border-radius: 6px;
  text-align: center;
}

.es-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 0;
  background: transparent;
  color: var(--ink-400);
}

.es-icon .icon {
  --icon: 20px;
}

.es-title {
  margin-top: 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-900);
}

.es-desc {
  margin-top: 6px;
  font-size: 13px;
  color: var(--ink-500);
}

.empty-state .btn {
  margin-top: 24px;
}

/* ---------- 10. 详情弹窗 ---------- */
.sheet {
  width: min(600px, calc(100vw - 32px));
  margin: auto;
  padding: 0;
  border: 1px solid var(--line-200);
  border-radius: 6px;
  background: #fff;
  color: var(--ink-900);
  box-shadow: var(--shadow-lift);
}

.sheet::backdrop {
  background: rgba(15, 23, 42, 0.45);
}

.sheet[open] {
  animation: sheet-in 0.24s var(--ease);
}

.sheet-inner {
  display: flex;
  flex-direction: column;
  max-height: min(720px, calc(100vh - 64px));
}

.sheet-head {
  display: flex;
  flex: none;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--line-100);
}

.sheet-kicker {
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--brand-700);
  font-variant-numeric: tabular-nums;
}

.sheet-head h3 {
  margin-top: 10px;
  font-size: 19px;
  font-weight: 600;
  line-height: 28px;
}

.sheet-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex: none;
  margin: -4px -4px 0 0;
  border: 0;
  border-radius: 4px;
  background: none;
  color: var(--ink-400);
  cursor: pointer;
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease);
}

.sheet-close:hover {
  background: var(--line-100);
  color: var(--ink-700);
}

.sheet-close .icon {
  --icon: 18px;
}

.sheet-body {
  display: flex;
  flex-direction: column;
  gap: 28px;
  min-height: 0;
  padding: 24px 28px;
  overflow-y: auto;
}

.sheet-summary {
  font-size: 14.5px;
  line-height: 28px;
  color: var(--ink-600);
}

.sheet-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--ink-400);
}

.sheet-block {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.sheet-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}

.sheet-flow li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sheet-flow .step {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border: 1px solid var(--line-200);
  border-radius: 4px;
  background: rgba(248, 250, 252, 0.8);
  font-size: 13px;
  color: var(--ink-700);
}

.sheet-flow .step em {
  font-style: normal;
  font-size: 11px;
  color: var(--ink-400);
  font-variant-numeric: tabular-nums;
}

.sheet-flow .sep {
  color: var(--ink-300);
}

.sheet-flow .sep .icon {
  --icon: 15px;
}

.sheet-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 16px;
  border-radius: 4px;
  background: var(--line-100);
  font-size: 13px;
  line-height: 24px;
  color: var(--ink-600);
}

.sheet-note > .icon {
  --icon: 16px;
  margin-top: 4px;
  color: var(--ink-400);
}

.sheet-note strong {
  display: block;
  font-weight: 600;
  color: var(--ink-900);
}

.sheet-note em {
  display: block;
  margin-top: 4px;
  font-style: normal;
}

.sheet-foot {
  display: flex;
  flex: none;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 20px 28px;
  border-top: 1px solid var(--line-100);
}

/* ---------- 11. 演示需求 ---------- */
.demo {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
}

.demo-copy h2 {
  margin-top: 24px;
}

.demo-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 40px;
  font-size: 14px;
  color: var(--ink-600);
}

.demo-steps li {
  display: flex;
  align-items: center;
  gap: 16px;
}

.demo-steps span:first-child {
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-400);
  font-variant-numeric: tabular-nums;
}

.panel-form {
  padding: 24px;
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: 6px;
  background: #fff;
  box-shadow: none;
}

.form-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-100);
}

.form-head h3 {
  font-size: 17px;
  font-weight: 600;
}

.form-kicker {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--ink-400);
}

.picked {
  margin-top: 24px;
}

.picked-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.picked-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-900);
}

.picked-title em {
  margin-left: 4px;
  font-style: normal;
  font-weight: 400;
  color: var(--ink-400);
  font-variant-numeric: tabular-nums;
}

.picked-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--brand-700);
}

.picked-link:hover {
  color: var(--brand-900);
}

.picked-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.picked-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid var(--brand-100);
  border-radius: 4px;
  background: var(--brand-50);
  font-size: 12.5px;
  color: var(--brand-900);
  cursor: pointer;
  transition: border-color 0.3s var(--ease);
}

.picked-chip:hover {
  border-color: var(--brand-300);
}

.picked-chip .code {
  color: var(--brand-600);
  font-variant-numeric: tabular-nums;
}

.picked-chip .icon {
  --icon: 13px;
  stroke-width: 2;
  color: var(--brand-400);
}

.picked-empty {
  margin-top: 12px;
  padding: 14px 16px;
  border: 1px dashed var(--line-200);
  border-radius: 4px;
  font-size: 13px;
  color: var(--ink-500);
}

.form-cols {
  display: grid;
  gap: 20px;
  margin-top: 24px;
}

.field {
  display: block;
}

.field-label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-900);
}

.field-label em {
  font-style: normal;
  font-size: 11.5px;
  font-weight: 400;
  color: var(--ink-400);
}

.input {
  width: 100%;
  height: 44px;
  padding-inline: 14px;
  border: 1px solid var(--line-200);
  border-radius: 4px;
  background: #fff;
  font: inherit;
  font-size: 14.5px;
  color: var(--ink-900);
  outline: none;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.input::placeholder {
  color: var(--ink-400);
}

.input:hover {
  border-color: var(--ink-300);
}

.input:focus {
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px rgba(59, 118, 246, 0.15);
}

.textarea {
  height: auto;
  padding-block: 12px;
  line-height: 24px;
  resize: vertical;
}

.select-wrap {
  position: relative;
  display: block;
}

.select-wrap select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 40px;
}

.select-arrow {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  --icon: 14px;
  stroke-width: 2;
  color: var(--ink-400);
  pointer-events: none;
}

.interests {
  margin-top: 24px;
  padding: 0;
  border: 0;
}

.interest-grid {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

.interest {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--line-200);
  border-radius: 4px;
  font-size: 13.5px;
  color: var(--ink-600);
  cursor: pointer;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease),
    color 0.3s var(--ease);
}

.interest:hover {
  border-color: var(--ink-300);
  color: var(--ink-900);
}

.interest.is-checked {
  border-color: rgba(37, 99, 235, 0.6);
  background: var(--brand-50);
  color: var(--brand-900);
}

.interest .box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  flex: none;
  border: 1px solid var(--ink-300);
  border-radius: 4px;
  color: #fff;
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.interest .box .icon {
  --icon: 11px;
  stroke-width: 3;
}

.interest.is-checked .box {
  border-color: var(--brand-600);
  background: var(--brand-600);
}

.form-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line-100);
}

.privacy {
  font-size: 12.5px;
  color: var(--ink-400);
}

.honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.form-foot .btn .icon {
  transition: transform 0.3s var(--ease);
}

.form-foot .btn:hover .icon {
  transform: translateX(3px);
}

.form-feedback {
  margin-top: 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--brand-700);
}

/* ---------- 12. 页脚 ---------- */
.site-footer {
  background: var(--band);
  border-top: 1px solid rgba(226, 232, 240, 0.7);
}

.footer-top {
  display: grid;
  gap: 40px;
  padding-block: 64px;
}

.footer-statement p {
  max-width: 34em;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0;
}

.footer-cta {
  margin-top: 28px;
}

.footer-nav {
  display: grid;
  gap: 12px;
  justify-items: start;
  align-content: start;
}

.footer-nav-label {
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: uppercase;
  color: var(--ink-400);
}

.footer-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-600);
  transition: color 0.3s var(--ease);
}

.footer-nav a:hover {
  color: var(--brand-700);
}

.nav-rule {
  width: 12px;
  height: 1px;
  background: var(--ink-300);
  transition: width 0.3s var(--ease), background-color 0.3s var(--ease);
}

.footer-nav a:hover .nav-rule {
  width: 20px;
  background: var(--brand-400);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 28px;
  border-top: 1px solid rgba(226, 232, 240, 0.8);
  font-size: 12.5px;
  color: var(--ink-400);
}

.brand-sm .brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 4px;
}

.brand-sm .brand-mark .icon {
  --icon: 16px;
}

.brand-name {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-900);
  letter-spacing: 0;
}

/* ---------- 13. 动效 ---------- */
@keyframes rise {
  from {
    opacity: 0;
    transform: translate3d(0, 14px, 0);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes draw {
  from {
    stroke-dashoffset: 900;
  }
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes fade-down {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes sheet-in {
  from {
    opacity: 0;
    transform: translateY(-8px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.rise {
  animation: rise 0.7s var(--ease) both;
}

/* ---------- 14. 响应式 ---------- */

/* 超窄屏：保持权限描述和结论可读，避免横向溢出 */
@media (max-width: 359px) {
  .shell {
    padding-inline: 16px;
  }

  .hero-visual {
    min-width: 0;
  }

  .protection-scene {
    padding: 16px 14px;
  }

  .scene-backdrop {
    inset: 16px -6px -10px 14px;
  }

  .access-row {
    gap: 7px;
    padding-inline: 7px;
  }
}

@media (min-width: 640px) {
  .search kbd {
    display: flex;
  }

  .interest-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .panel-form {
    padding: 32px;
  }

}

@media (min-width: 820px) {
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

}

@media (max-width: 959px) {
  .capability-intro {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 960px) {
  .capability-intro {
    grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  }
}

@media (min-width: 1024px) {
  .shell {
    padding-inline: 32px;
  }

  .section {
    padding-block: 96px;
  }

  .nav {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

  .mobile-nav {
    display: none;
  }

  .hero-inner {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 40px;
    padding-block: 80px 32px;
  }

  .flow-rail {
    margin-top: 24px;
  }

  .hero-copy {
    grid-column: span 7;
  }

  .hero-visual {
    grid-column: span 5;
    max-width: 460px;
    width: 100%;
    margin-left: auto;
    padding-left: 24px;
  }

  .intro {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: end;
    gap: 40px;
  }

  .intro-title {
    grid-column: span 7;
  }

  .intro-desc {
    grid-column: span 5;
    padding-bottom: 6px;
  }

  .solutions {
    grid-template-columns: minmax(0, 1fr);
    gap: 48px;
  }

  .toolbar {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }

  .pills {
    justify-content: flex-end;
  }

  .demo {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
  }

  .interest-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-top {
    grid-template-columns: 7fr 5fr;
    padding-block: 80px;
  }

  .footer-nav {
    justify-self: end;
  }
}

@media (min-width: 1120px) {
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 639px) {
  .card {
    min-height: 176px;
    padding-inline: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

}



/* ---------- 15. 明亮企业主题 ---------- */
.site-header {
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

@media (min-width: 1024px) {
  .header-inner {
    height: 80px;
  }
}

.hero-copy h1 .muted {
  color: var(--brand-700);
}