/* 产品特色页 — 图文增强版 */
.page-features main {
  padding-top: 0;
}

/* ---------- Banner ---------- */
.feat-banner {
  position: relative;
  min-height: 420px;
  padding: 100px 24px 72px;
  text-align: center;
  background: #f7f9fc url("../images/features/banner.png") no-repeat center top;
  background-size: 1920px 500px;
}

.feat-banner h1 {
  margin: 0;
  font-size: 40px;
  font-weight: 600;
  line-height: 1.35;
  color: #111f33;
}

.feat-banner-desc {
  max-width: 640px;
  margin: 16px auto 0;
  font-size: 16px;
  line-height: 1.7;
  color: #545a6e;
}

.feat-banner-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 28px;
}

/* ---------- 数据条 ---------- */
.feat-stats {
  padding: 0 24px;
  margin-top: -36px;
  position: relative;
  z-index: 2;
}

.feat-stats-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  padding: 28px 16px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 12px 40px rgba(47, 56, 111, 0.1);
}

.feat-stat-item {
  text-align: center;
}

.feat-stat-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.feat-stat-num sup {
  font-size: 16px;
  font-weight: 600;
}

.feat-stat-label {
  margin-top: 6px;
  font-size: 14px;
  color: var(--text-gray);
}

/* ---------- 快捷导航 ---------- */
.feat-nav-wrap {
  position: sticky;
  top: var(--header-height, 72px);
  z-index: 50;
  background: #eceff4;
  border-bottom: 1px solid #e1e4ea;
}

.feat-nav {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px 8px;
  padding: 0 16px;
}

.feat-nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 600;
  color: #676c73;
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.feat-nav-link img {
  width: 22px;
  height: 22px;
}

.feat-nav-link:hover,
.feat-nav-link.is-active {
  color: #111f33;
  border-bottom-color: var(--primary);
}

/* ---------- 六大特色概览 ---------- */
.feat-overview {
  padding: 72px 24px 40px;
  background: #fff;
}

.feat-overview .section-title {
  margin-bottom: 12px;
}

.feat-overview .section-subtitle {
  margin-bottom: 40px;
}

.feat-overview-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feat-overview-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 28px 24px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: #fff;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.feat-overview-card:hover {
  border-color: var(--primary);
  box-shadow: 0 12px 32px rgba(76, 110, 245, 0.12);
  transform: translateY(-4px);
}

.feat-overview-card img {
  width: 52px;
  height: 52px;
  margin-bottom: 16px;
}

.feat-overview-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dark);
}

.feat-overview-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-gray);
}

/* ---------- 特色详情区块 ---------- */
.feat-section {
  padding: 80px 24px;
}

.feat-section--gray {
  background: #f8f9fb;
}

.feat-section--send {
  background: #f8f9fb;
}

.feat-section--client {
  background: #f8f9fb;
}

.feat-section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.feat-section-head {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 40px;
}

.feat-section-head-icon {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  padding: 12px;
  border-radius: 16px;
  background: var(--primary-light);
}

.feat-section-head-text h2 {
  margin: 0 0 12px;
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
}

.feat-badge {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 14px;
  border-radius: 20px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
}

.feat-section-head-text p {
  margin: 0;
  max-width: 720px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-gray);
}

.feat-section-body {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 48px;
  align-items: start;
}

.feat-section-body--reverse {
  direction: rtl;
}

.feat-section-body--reverse > * {
  direction: ltr;
}

.feat-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.feat-card {
  padding: 20px;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 9px 36px rgba(47, 56, 111, 0.08);
  transition: transform 0.2s, box-shadow 0.2s;
}

.feat-section--gray .feat-card {
  box-shadow: 0 4px 20px rgba(47, 56, 111, 0.06);
}

.feat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(47, 56, 111, 0.12);
}

.feat-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 14px;
  border-radius: 50%;
  object-fit: contain;
}

.feat-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: #111f33;
}

.feat-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: #676c73;
}

.feat-visual {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(17, 31, 51, 0.12);
}

.feat-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.feat-visual--mosaic {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 24px;
  min-height: 320px;
  background: linear-gradient(145deg, #eef2ff, #f8f9fc);
  box-shadow: 0 16px 48px rgba(76, 110, 245, 0.1);
}

.feat-visual--mosaic img {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 4px 16px rgba(47, 56, 111, 0.08);
}

.feat-visual-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 16px;
  background: linear-gradient(transparent, rgba(17, 31, 51, 0.75));
  color: #fff;
  font-size: 13px;
  text-align: center;
}

/* ---------- AI 写信界面 mockup ---------- */
.feat-visual--ai {
  background: linear-gradient(145deg, #fff5f6 0%, #ffecef 45%, #f8f9fc 100%);
  padding: 20px;
  min-height: 360px;
  box-shadow: 0 20px 56px rgba(196, 18, 48, 0.12);
}

.feat-ai-mockup {
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 8px 32px rgba(17, 31, 51, 0.1);
}

.feat-ai-mockup__chrome {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: linear-gradient(90deg, #fafbfc, #f3f5f8);
  border-bottom: 1px solid #e8ebf0;
}

.feat-ai-mockup__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d8dce3;
}

.feat-ai-mockup__dot:first-child {
  background: #ff6b6b;
}

.feat-ai-mockup__dot:nth-child(2) {
  background: #ffc857;
}

.feat-ai-mockup__dot:nth-child(3) {
  background: #6bcb77;
}

.feat-ai-mockup__title {
  margin-left: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #545a6e;
}

.feat-ai-mockup__body {
  display: grid;
  grid-template-columns: 118px 1fr;
  min-height: 280px;
}

.feat-ai-mockup__sidebar {
  padding: 14px 10px;
  background: linear-gradient(180deg, #fff8f9, #fff);
  border-right: 1px solid #f0f2f5;
}

.feat-ai-mockup__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 20px;
  margin-bottom: 12px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #e8354f);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.feat-ai-mockup__tabs {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
}

.feat-ai-mockup__tabs li {
  margin-bottom: 4px;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 11px;
  color: #676c73;
  line-height: 1.3;
}

.feat-ai-mockup__tabs li.is-active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.feat-ai-mockup__prompt {
  padding: 8px;
  border-radius: 8px;
  background: #f8f9fb;
  border: 1px dashed #e1e4ea;
}

.feat-ai-mockup__prompt-label {
  display: block;
  margin-bottom: 4px;
  font-size: 10px;
  color: #999;
}

.feat-ai-mockup__prompt p {
  margin: 0;
  font-size: 10px;
  line-height: 1.5;
  color: #545a6e;
}

.feat-ai-mockup__editor {
  padding: 14px 16px 16px;
  background: #fff;
}

.feat-ai-mockup__field {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid #f0f2f5;
  font-size: 11px;
}

.feat-ai-mockup__field span {
  flex-shrink: 0;
  width: 42px;
  color: #999;
}

.feat-ai-mockup__field em {
  font-style: normal;
  color: #111f33;
  font-weight: 500;
}

.feat-ai-mockup__content {
  min-height: 120px;
  margin: 10px 0 12px;
  padding: 12px;
  border-radius: 8px;
  background: linear-gradient(180deg, #fffafb, #fff);
  border: 1px solid #fce8ec;
}

.feat-ai-mockup__content p {
  margin: 0 0 8px;
  font-size: 11px;
  line-height: 1.65;
  color: #545a6e;
}

.feat-ai-mockup__typing {
  display: flex;
  gap: 4px;
  margin-top: 12px !important;
}

.feat-ai-mockup__typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.35;
  animation: feat-ai-typing 1.2s infinite ease-in-out;
}

.feat-ai-mockup__typing span:nth-child(2) {
  animation-delay: 0.15s;
}

.feat-ai-mockup__typing span:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes feat-ai-typing {
  0%,
  80%,
  100% {
    opacity: 0.35;
    transform: translateY(0);
  }

  40% {
    opacity: 1;
    transform: translateY(-3px);
  }
}

.feat-ai-mockup__actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.feat-ai-mockup__btn {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
}

.feat-ai-mockup__btn--ghost {
  color: #676c73;
  background: #f3f5f8;
}

.feat-ai-mockup__btn--primary {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 4px 12px rgba(196, 18, 48, 0.25);
}

/* ---------- 邮件管控后台 mockup ---------- */
.feat-visual--control {
  padding: 20px;
  min-height: 360px;
  background: linear-gradient(145deg, #f0f4ff 0%, #f8f9fc 55%, #fff 100%);
  box-shadow: 0 20px 56px rgba(47, 56, 111, 0.1);
}

.feat-control-mockup {
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 8px 32px rgba(47, 56, 111, 0.08);
}

.feat-control-mockup__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: linear-gradient(90deg, #1a1a2e, #2a3550);
  color: #fff;
}

.feat-control-mockup__header strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
}

.feat-control-mockup__header span {
  font-size: 11px;
  opacity: 0.65;
}

.feat-control-mockup__status {
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(107, 203, 119, 0.18);
  color: #6bcb77;
  font-size: 11px;
  font-weight: 600;
}

.feat-control-mockup__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: #eef0f4;
}

.feat-control-mockup__stat {
  padding: 12px 10px;
  text-align: center;
  background: #fff;
}

.feat-control-mockup__stat em {
  display: block;
  font-style: normal;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.feat-control-mockup__stat span {
  font-size: 11px;
  color: #676c73;
}

.feat-control-mockup__main {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 0;
  min-height: 180px;
}

.feat-control-mockup__tree {
  padding: 12px 10px;
  background: #fafbfc;
  border-right: 1px solid #eef0f4;
}

.feat-control-mockup__tree-title {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 600;
  color: #111f33;
}

.feat-control-mockup__tree ul {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 11px;
  color: #676c73;
}

.feat-control-mockup__tree li {
  margin-bottom: 4px;
  padding-left: 0;
}

.feat-control-mockup__tree li ul {
  margin-top: 4px;
  padding-left: 10px;
  border-left: 1px solid #e8ebf0;
}

.feat-control-mockup__tree li.is-active {
  color: var(--primary);
  font-weight: 600;
}

.feat-control-mockup__rules {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feat-control-mockup__rule {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 8px;
  background: #f8f9fb;
  border: 1px solid #eef0f4;
}

.feat-control-mockup__rule img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.feat-control-mockup__rule strong {
  display: block;
  font-size: 12px;
  color: #111f33;
}

.feat-control-mockup__rule p {
  margin: 2px 0 0;
  font-size: 10px;
  color: #999;
  line-height: 1.4;
}

.feat-control-mockup__tag {
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(107, 203, 119, 0.12);
  color: #3d9a4f;
  font-size: 10px;
  font-weight: 600;
  white-space: nowrap;
}

.feat-control-mockup__tag--warn {
  background: rgba(255, 200, 87, 0.18);
  color: #c9920a;
}

.feat-control-mockup__log {
  padding: 10px 14px;
  background: #fafbfc;
  border-top: 1px solid #eef0f4;
  font-size: 10px;
  line-height: 1.8;
  color: #676c73;
}

.feat-control-mockup__log span {
  display: inline-block;
  margin-right: 6px;
  color: #999;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.feat-control-mockup__log span + span {
  margin-left: 12px;
}

/* ---------- 邮件收发 mockup ---------- */
.feat-visual--send {
  padding: 20px;
  min-height: 360px;
  background: linear-gradient(145deg, #eef6ff 0%, #f8fbff 55%, #fff 100%);
  box-shadow: 0 20px 56px rgba(47, 111, 196, 0.1);
}

.feat-send-mockup {
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 8px 32px rgba(47, 56, 111, 0.08);
}

.feat-send-mockup__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: linear-gradient(90deg, #1a5fb4, #2f80d8);
  color: #fff;
}

.feat-send-mockup__header strong {
  font-size: 14px;
}

.feat-send-mockup__sync {
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.16);
  font-size: 10px;
  font-weight: 600;
}

.feat-send-mockup__toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: #f8f9fb;
  border-bottom: 1px solid #eef0f4;
  font-size: 11px;
  color: #676c73;
}

.feat-send-mockup__toolbar span {
  padding: 4px 10px;
  border-radius: 20px;
}

.feat-send-mockup__toolbar span.is-active {
  background: #fff;
  color: #1a5fb4;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(47, 56, 111, 0.08);
}

.feat-send-mockup__route {
  margin-left: auto;
  color: #1a5fb4;
  font-weight: 600;
}

.feat-send-mockup__list {
  list-style: none;
  margin: 0;
  padding: 8px 0;
}

.feat-send-mockup__list li {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid #f3f5f8;
}

.feat-send-mockup__list li.is-unread strong {
  color: #111f33;
  font-weight: 700;
}

.feat-send-mockup__avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  color: #1a5fb4;
  font-size: 13px;
  font-weight: 700;
}

.feat-send-mockup__avatar--attach {
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  color: #b45309;
}

.feat-send-mockup__list strong {
  display: block;
  font-size: 12px;
  color: #545a6e;
}

.feat-send-mockup__list p {
  margin: 2px 0 0;
  font-size: 10px;
  color: #999;
  line-height: 1.4;
}

.feat-send-mockup__list em {
  font-style: normal;
  font-size: 10px;
  color: #999;
}

.feat-send-mockup__list li.is-recalled p {
  color: var(--primary);
}

.feat-send-mockup__footer {
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 12px;
  background: #fafbfc;
  border-top: 1px solid #eef0f4;
}

.feat-send-mockup__footer span {
  padding: 4px 10px;
  border-radius: 20px;
  background: #eef6ff;
  color: #1a5fb4;
  font-size: 10px;
  font-weight: 600;
}

/* ---------- 邮件安全 mockup ---------- */
.feat-visual--security {
  padding: 20px;
  min-height: 360px;
  background: linear-gradient(145deg, #eefaf1 0%, #f8fbf9 55%, #fff 100%);
  box-shadow: 0 20px 56px rgba(61, 154, 79, 0.1);
}

.feat-security-mockup {
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 8px 32px rgba(47, 56, 111, 0.08);
}

.feat-security-mockup__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: linear-gradient(90deg, #14532d, #166534);
  color: #fff;
}

.feat-security-mockup__header strong {
  display: block;
  font-size: 14px;
}

.feat-security-mockup__header span {
  font-size: 11px;
  opacity: 0.7;
}

.feat-security-mockup__badge {
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.14);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.feat-security-mockup__hero {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px;
  padding: 16px;
  background: linear-gradient(180deg, #f0fdf4, #fff);
}

.feat-security-mockup__shield {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 110px;
  border-radius: 12px;
  background: linear-gradient(145deg, #dcfce7, #bbf7d0);
  border: 1px solid #bbf7d0;
}

.feat-security-mockup__shield em {
  font-style: normal;
  font-size: 24px;
  font-weight: 800;
  color: #166534;
  line-height: 1.1;
}

.feat-security-mockup__shield span {
  margin-top: 4px;
  font-size: 10px;
  color: #3d9a4f;
  text-align: center;
}

.feat-security-mockup__layers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feat-security-mockup__layers li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 8px;
  background: #f8f9fb;
  border: 1px solid #eef0f4;
  font-size: 11px;
}

.feat-security-mockup__layers li span {
  color: #111f33;
  font-weight: 600;
}

.feat-security-mockup__layers li i {
  font-style: normal;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(107, 203, 119, 0.14);
  color: #3d9a4f;
  font-size: 10px;
  font-weight: 600;
}

.feat-security-mockup__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: #eef0f4;
}

.feat-security-mockup__stats div {
  padding: 12px 10px;
  text-align: center;
  background: #fff;
}

.feat-security-mockup__stats em {
  display: block;
  font-style: normal;
  font-size: 20px;
  font-weight: 700;
  color: #166534;
}

.feat-security-mockup__stats span {
  font-size: 10px;
  color: #676c73;
}

.feat-security-mockup__log {
  padding: 10px 14px;
  background: #fafbfc;
  border-top: 1px solid #eef0f4;
  font-size: 10px;
  line-height: 1.8;
  color: #676c73;
}

.feat-security-mockup__log span {
  display: inline-block;
  margin-right: 6px;
  color: #999;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.feat-security-mockup__log span + span {
  margin-left: 12px;
}

/* ---------- 客户端 mockup ---------- */
.feat-visual--client {
  padding: 20px;
  min-height: 360px;
  background: linear-gradient(145deg, #fff7ed 0%, #fffaf5 55%, #fff 100%);
  box-shadow: 0 20px 56px rgba(234, 88, 12, 0.08);
}

.feat-client-mockup {
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 8px 32px rgba(47, 56, 111, 0.08);
}

.feat-client-mockup__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: linear-gradient(90deg, #c2410c, #ea580c);
  color: #fff;
}

.feat-client-mockup__header strong {
  font-size: 14px;
}

.feat-client-mockup__sync {
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.16);
  font-size: 10px;
  font-weight: 600;
}

.feat-client-mockup__devices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 14px;
}

.feat-client-mockup__device {
  padding: 12px 8px;
  border-radius: 10px;
  background: #fafbfc;
  border: 1px solid #eef0f4;
  text-align: center;
}

.feat-client-mockup__device.is-active {
  background: #fff7ed;
  border-color: #fdba74;
  box-shadow: 0 4px 16px rgba(234, 88, 12, 0.1);
}

.feat-client-mockup__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 8px;
  border-radius: 10px;
  background: linear-gradient(135deg, #ffedd5, #fed7aa);
  color: #c2410c;
  font-size: 11px;
  font-weight: 700;
}

.feat-client-mockup__device strong {
  display: block;
  font-size: 11px;
  color: #111f33;
}

.feat-client-mockup__device p {
  margin: 4px 0 0;
  font-size: 9px;
  line-height: 1.4;
  color: #999;
}

.feat-client-mockup__master {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  align-items: center;
  gap: 10px;
  margin: 0 14px 14px;
  padding: 12px;
  border-radius: 10px;
  background: #f8f9fb;
  border: 1px solid #eef0f4;
}

.feat-client-mockup__master img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.feat-client-mockup__master strong {
  display: block;
  font-size: 12px;
  color: #111f33;
}

.feat-client-mockup__master p {
  margin: 2px 0 0;
  font-size: 10px;
  color: #999;
}

.feat-client-mockup__master > span {
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(107, 203, 119, 0.12);
  color: #3d9a4f;
  font-size: 10px;
  font-weight: 600;
}

.feat-client-mockup__flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  background: #fafbfc;
  border-top: 1px solid #eef0f4;
  font-size: 10px;
  color: #676c73;
}

.feat-client-mockup__flow i {
  display: block;
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, #fdba74, #ea580c);
  border-radius: 2px;
}

/* ---------- 企业形象 mockup ---------- */
.feat-visual--brand {
  padding: 20px;
  min-height: 360px;
  background: linear-gradient(145deg, #fdf2f8 0%, #fff5fa 55%, #fff 100%);
  box-shadow: 0 20px 56px rgba(196, 18, 48, 0.08);
}

.feat-brand-mockup {
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 8px 32px rgba(47, 56, 111, 0.08);
}

.feat-brand-mockup__header {
  padding: 14px 16px;
  background: linear-gradient(90deg, var(--primary), #e8354f);
  color: #fff;
}

.feat-brand-mockup__header strong {
  display: block;
  font-size: 14px;
}

.feat-brand-mockup__header span {
  font-size: 11px;
  opacity: 0.75;
}

.feat-brand-mockup__preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 16px;
}

.feat-brand-mockup__login {
  padding: 16px 12px;
  border-radius: 10px;
  background: linear-gradient(180deg, #fff5f6, #fff);
  border: 1px solid #fce8ec;
  text-align: center;
}

.feat-brand-mockup__login-bar {
  height: 6px;
  margin-bottom: 14px;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--primary), #ff8fa3);
}

.feat-brand-mockup__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: 10px;
  border-radius: 12px;
  background: #fff;
  border: 2px dashed rgba(196, 18, 48, 0.25);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
}

.feat-brand-mockup__login p {
  margin: 0;
  font-size: 11px;
  color: #111f33;
  font-weight: 600;
}

.feat-brand-mockup__domain {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 10px;
  font-weight: 600;
}

.feat-brand-mockup__signature {
  padding: 14px 12px;
  border-radius: 10px;
  background: #f8f9fb;
  border: 1px solid #eef0f4;
}

.feat-brand-mockup__signature strong {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  color: var(--primary);
}

.feat-brand-mockup__signature p {
  margin: 0 0 4px;
  font-size: 10px;
  color: #545a6e;
}

.feat-brand-mockup__signature span {
  display: block;
  margin-top: 8px;
  font-size: 9px;
  color: #999;
}

.feat-brand-mockup__tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  padding: 0 16px 16px;
}

.feat-brand-mockup__tags span {
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 10px;
  font-weight: 600;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .feat-section-body {
    grid-template-columns: 1fr;
  }

  .feat-section-body--reverse {
    direction: ltr;
  }

  .feat-visual {
    max-width: 520px;
  }
}

@media (max-width: 768px) {
  .feat-banner {
    min-height: 320px;
    padding-top: 80px;
    background-size: cover;
  }

  .feat-banner h1 {
    font-size: 28px;
  }

  .feat-stats-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .feat-nav {
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
  }

  .feat-nav-link {
    flex-shrink: 0;
    padding: 12px 14px;
    font-size: 14px;
  }

  .feat-overview-grid {
    grid-template-columns: 1fr;
  }

  .feat-cards {
    grid-template-columns: 1fr;
  }

  .feat-section-head {
    flex-direction: column;
  }

  .feat-section-head-text h2 {
    font-size: 24px;
  }

  .feat-visual--mosaic {
    grid-template-columns: repeat(2, 1fr);
  }

  .feat-ai-mockup__body {
    grid-template-columns: 1fr;
  }

  .feat-ai-mockup__sidebar {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 10px;
    border-right: none;
    border-bottom: 1px solid #f0f2f5;
  }

  .feat-ai-mockup__tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 0;
  }

  .feat-ai-mockup__tabs li {
    margin-bottom: 0;
  }

  .feat-ai-mockup__prompt {
    min-width: 120px;
  }

  .feat-control-mockup__main {
    grid-template-columns: 1fr;
  }

  .feat-control-mockup__tree {
    border-right: none;
    border-bottom: 1px solid #eef0f4;
  }

  .feat-send-mockup__toolbar {
    flex-wrap: wrap;
  }

  .feat-send-mockup__route {
    margin-left: 0;
    width: 100%;
  }

  .feat-security-mockup__hero {
    grid-template-columns: 1fr;
  }

  .feat-client-mockup__devices {
    grid-template-columns: 1fr;
  }

  .feat-brand-mockup__preview {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .feat-banner-actions {
    flex-direction: column;
    align-items: center;
  }

  .feat-stats-inner {
    grid-template-columns: 1fr 1fr;
  }
}