/**
 * Laravel 前台扩展 — 首页模块、顶栏/页脚、子菜单卡片、表单区；依赖 theme.css 变量
 */
:root {
  --mia-navy: var(--mia-primary);
  --mia-navy-deep: var(--mia-dark);
  --mia-navy-mid: var(--mia-primary-light);
  --mia-nav-bg: #ffffff;
  --mia-body-text: #1a1f26;
  --mia-brand: var(--mia-primary);
  --mia-brand-dark: var(--mia-dark);
  --mia-topbar: var(--mia-dark);
  --mia-footer: var(--mia-dark);
  /* NAM 式高亮橙（标题下划线、点缀） */
  --mia-nam-orange: #e87722;
  --mia-home-module-min-h: clamp(280px, 34vw, 400px);
  /* 与 theme.css --mia-content-max-width 一致；此处不写死，避免重复 */
  --mia-home-module-pad-y: 2.75rem;
}

@media (min-width: 768px) {
  body .container {
    max-width: var(--mia-content-max-width) !important;
  }
}

.mia-page-bg {
  background: linear-gradient(180deg, #f1f4f8 0%, #f8f9fa 32%, #f8f9fa 100%);
  min-height: 100vh;
}

.mia-topbar {
  background: var(--mia-navy-deep);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.92) !important;
}

.mia-topbar .text-secondary {
  color: rgba(255, 255, 255, 0.88) !important;
}

.mia-topbar .text-dark {
  color: #fff !important;
}

.mia-navbar {
  background: var(--mia-nav-bg) !important;
  border-bottom: 1px solid var(--mia-border);
  box-shadow: 0 0.125rem 0.5rem rgba(12, 35, 64, 0.06);
  /* 确保 sticky 导航在各页面之上，避免被内容层遮挡导致下拉失效 */
  z-index: 1030;
}

.mia-navbar .dropdown-menu {
  z-index: 1040;
}

/* 主导航加宽（相对正文 container），与 nam.org 顶栏接近 */
/* 主导航与顶栏同逻辑：全宽 + 仅左右内边距，不再限制 max-width */
.mia-navbar-inner {
  width: 100%;
  max-width: none;
  padding-left: clamp(1rem, 4vw, 3.5rem);
  padding-right: clamp(1rem, 4vw, 3.5rem);
}

/* 顶栏全宽（仅左右内边距，不再与主导航共用 max-width，避免视觉上偏窄） */
.mia-topbar-inner {
  width: 100%;
  max-width: none;
  padding-left: clamp(1rem, 4vw, 3.5rem);
  padding-right: clamp(1rem, 4vw, 3.5rem);
}

.mia-navbar .navbar-brand.mia-navbar-brand-text {
  font-size: 1.3rem;
  letter-spacing: 0.02em;
}

.mia-navbar.navbar-light .navbar-brand {
  color: var(--mia-navy-deep) !important;
}

.mia-brand-logo-img {
  height: 2.5rem;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  flex-shrink: 0;
}

@media (min-width: 576px) {
  .mia-brand-logo-img {
    height: 2.75rem;
    max-width: 140px;
  }
}

.mia-home-hero-logo {
  max-height: 4.25rem;
  width: auto;
  object-fit: contain;
}

@media (min-width: 768px) {
  .mia-home-hero-logo {
    max-height: 5rem;
  }
}

.mia-home-hero .carousel-caption .mia-home-hero-logo--in-caption {
  max-height: 2.65rem;
}

@media (min-width: 768px) {
  .mia-home-hero .carousel-caption .mia-home-hero-logo--in-caption {
    max-height: 4.25rem;
  }
}

.mia-home-intro-logo {
  max-height: 4.5rem;
  width: auto;
  object-fit: contain;
  opacity: 0.98;
}

.mia-hero-caption-title {
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.45);
}

/* NAM 式主标题下橙色短划线 */
.mia-hero-caption-title.mia-hero-title-nam {
  position: relative;
  display: inline-block;
  padding-bottom: 0.4rem;
}

.mia-hero-caption-title.mia-hero-title-nam::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 3.25rem;
  height: 4px;
  background: var(--mia-nam-orange);
  border-radius: 2px;
}

.mia-nav-link {
  font-weight: 700;
  color: var(--mia-navy) !important;
  padding: 0.55rem 0.75rem !important;
  font-size: 1.1875rem;
  letter-spacing: 0.03em;
}

.mia-nav-link:hover,
.mia-nav-link.active {
  color: var(--mia-accent) !important;
}

/* 主 CTA：NAM 式品牌红（全站按钮；轮播内见下方覆盖为白边透明底） */
.btn-mia-primary {
  --bs-btn-color: #fff;
  --bs-btn-bg: var(--mia-accent);
  --bs-btn-border-color: var(--mia-accent);
  --bs-btn-hover-bg: var(--mia-accent-hover);
  --bs-btn-hover-border-color: var(--mia-accent-hover);
  font-weight: 600;
}

/* 深蓝主色按钮（顶栏「登录」等，与品牌红「注册」区分；色值见 theme.css --mia-primary） */
.btn-mia-navy {
  --bs-btn-color: #fff;
  --bs-btn-bg: var(--mia-primary);
  --bs-btn-border-color: var(--mia-primary);
  --bs-btn-hover-bg: var(--mia-primary-light);
  --bs-btn-hover-border-color: var(--mia-primary-light);
  --bs-btn-active-bg: var(--mia-primary-light);
  --bs-btn-active-border-color: var(--mia-primary-light);
  font-weight: 600;
}

.btn-outline-mia {
  --bs-btn-color: var(--mia-navy);
  --bs-btn-border-color: var(--mia-navy);
  --bs-btn-hover-bg: var(--mia-navy);
  --bs-btn-hover-border-color: var(--mia-navy);
  --bs-btn-hover-color: #fff;
}

.mia-section-alt {
  background: #f4f6f9;
}

.mia-footer {
  background: var(--mia-footer);
  color: rgba(255, 255, 255, 0.88);
}

.mia-footer-inner {
  width: 100%;
  max-width: none;
  padding-left: clamp(1rem, 4vw, 3.5rem);
  padding-right: clamp(1rem, 4vw, 3.5rem);
}

.mia-footer-wechat-qr {
  width: 120px;
  height: 120px;
  object-fit: contain;
  display: block;
  margin-left: auto;
  margin-right: auto;
  background: #fff;
  border-radius: 0.35rem;
  padding: 0.35rem;
}

.mia-footer-wechat-link {
  color: rgba(255, 255, 255, 0.88) !important;
  max-width: 140px;
}

.mia-footer-wechat-link:hover {
  color: #fff !important;
}

.mia-footer-wechat-link .small {
  margin-top: 0.5rem;
}

.mia-footer a {
  color: rgba(255, 255, 255, 0.88);
}

.mia-footer a:hover {
  color: #fff;
}

.mia-cert-link {
  border: 1px solid var(--mia-border);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.mia-cert-link:hover {
  border-color: var(--mia-navy);
  box-shadow: 0 0.25rem 0.5rem rgba(10, 22, 41, 0.12);
}

.mia-home-hero.carousel {
  background: var(--mia-navy-deep);
}

/* —— NAM 式全宽 Banner：大图 + 左下标题 + 右侧白卡片；高度与 1920×720 裁切一致（aspect-ratio） —— */
.mia-home-hero .carousel-inner {
  min-height: var(--mia-home-module-min-h);
}

.mia-home-hero--nam .carousel-inner,
.mia-home-hero--nam .carousel-item {
  min-height: 0;
}

/* 限制高度 ≤ 视口 − 顶栏与导航，避免标题贴在 Banner 最底端而落在首屏外（nam.org 主标题仍在首屏内可见） */
.mia-home-hero--nam .carousel-item .mia-hero-slide-bg {
  width: 100%;
  aspect-ratio: var(--mia-banner-aspect-ratio, 1920 / 720);
  min-height: 260px;
  max-height: calc(100vh - 8.75rem);
}

@media (max-width: 767.98px) {
  .mia-home-hero--nam .carousel-item .mia-hero-slide-bg,
  .mia-home-hero--static .mia-hero-slide-bg--fallback {
    max-height: calc(100vh - 5.5rem);
  }
}

.mia-home-hero--static .mia-hero-slide-bg--fallback {
  width: 100%;
  aspect-ratio: var(--mia-banner-aspect-ratio, 1920 / 720);
  min-height: 260px;
  max-height: calc(100vh - 8.75rem);
}

.mia-home-hero:not(.mia-home-hero--nam) .carousel-item {
  min-height: var(--mia-home-module-min-h);
}

.mia-home-hero:not(.mia-home-hero--nam) .carousel-item .mia-hero-slide-bg {
  min-height: var(--mia-home-module-min-h);
}

.mia-home-hero .carousel-item .mia-hero-slide-bg {
  background-size: cover;
  background-position: center;
  position: relative;
}

/* Banner GIF：原图 contain、不裁剪；用 img 以保留动画（背景图 GIF 常只显示首帧） */
.mia-home-hero--nam .mia-hero-slide-bg--gif .mia-hero-slide-bg__img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  pointer-events: none;
}

/* 参照 mia.org.cn：整幅 Banner 先叠一层半透明蒙版，再叠方向渐变，文案区 z-index 更高 */
.mia-home-hero--nam .mia-hero-slide-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(5, 13, 24, 0.42);
  pointer-events: none;
}

.mia-home-hero .mia-hero-slide-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(105deg, rgba(10, 22, 41, 0.92) 0%, rgba(10, 22, 41, 0.55) 45%, rgba(10, 22, 41, 0.35) 100%);
  pointer-events: none;
}

/* 首页 NAM 布局：左侧深、右侧渐亮，便于叠白卡片（叠在 ::before 之上） */
.mia-home-hero--nam .mia-hero-slide-bg::after {
  background: linear-gradient(
    105deg,
    rgba(5, 13, 24, 0.78) 0%,
    rgba(12, 35, 64, 0.52) 38%,
    rgba(12, 35, 64, 0.22) 55%,
    rgba(255, 255, 255, 0.05) 100%
  );
}

.mia-hero-slide-bg--fallback {
  position: relative;
  background: linear-gradient(135deg, var(--mia-navy-deep) 0%, var(--mia-primary) 48%, var(--mia-secondary) 100%);
}

/* 无 Banner 图时不再叠暗角（保留渐变底即可） */
.mia-home-hero--static .mia-hero-slide-bg--fallback::before,
.mia-home-hero--static .mia-hero-slide-bg--fallback::after {
  opacity: 0;
  pointer-events: none;
}

.mia-hero-nam-overlay {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  display: flex;
  align-items: flex-end;
  padding: 1.25rem 0 1.5rem;
  pointer-events: none;
}

/* Banner 叠加层与顶栏/主导航同宽（全宽 + 左右 clamp 内边距） */
.mia-hero-nam-inner {
  width: 100%;
  max-width: none;
  padding-left: clamp(1rem, 4vw, 3.5rem);
  padding-right: clamp(1rem, 4vw, 3.5rem);
}

.mia-hero-nam-overlay .mia-hero-nam-inner {
  pointer-events: auto;
}

@media (max-width: 991.98px) {
  .mia-hero-nam-overlay {
    align-items: flex-start;
    padding-top: 3.25rem;
    padding-bottom: 1.25rem;
  }
}

.mia-hero-nam-headline {
  max-width: 46rem;
}

.mia-hero-nam-title,
.mia-home-hero--nam .mia-hero-nam-title {
  color: #fff !important;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.15;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.45);
}

/* Banner 默认主文案（h1）：与 .mia-hero-nam-title 同字号，块级 + 两端对齐（覆盖 .mia-hero-title-nam 的 inline-block） */
.mia-hero-nam-headline h1.mia-hero-nam-title.mia-hero-nam-lead {
  display: block;
  width: 100%;
  line-height: 1.25;
  text-align: justify;
  text-justify: inter-ideograph;
}

.mia-home-hero--nam .mia-hero-nam-overlay .btn-mia-primary {
  --bs-btn-bg: transparent;
  --bs-btn-border-color: #fff;
  --bs-btn-color: #fff;
  --bs-btn-hover-bg: #fff;
  --bs-btn-hover-border-color: #fff;
  --bs-btn-hover-color: var(--mia-navy-deep);
}

/* 右侧悬浮白卡片（原 News & Insights；现为「快速链接」时略加宽加高） */
.mia-hero-news-float {
  background: #fff;
  border-radius: 0.35rem;
  box-shadow: 0 0.5rem 2.5rem rgba(12, 35, 64, 0.22);
  padding: 1.35rem 1.35rem 1.15rem;
  text-align: left;
  max-height: min(26rem, 72vh);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Banner 快速链接：约为原先半幅（col-6）的 1/3 宽 → col-lg-2 + ms-lg-auto 贴最右 */
.mia-hero-quick-links-shell {
  max-width: 100%;
}

.mia-hero-news-float--quick-links {
  width: 100%;
  max-width: 100%;
  max-height: min(34rem, 78vh);
  padding: 1rem 0.85rem 0.85rem;
}

.mia-hero-news-float > ul {
  overflow-y: auto;
  flex: 1 1 auto;
  min-height: 0;
  margin-right: -0.35rem;
  padding-right: 0.35rem;
}

.mia-hero-news-float__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--mia-primary);
  margin: 0 0 1rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--mia-border);
}

.mia-hero-news-float__empty {
  font-size: 0.95rem;
  color: var(--mia-muted);
}

.mia-hero-news-float__item {
  padding: 0.65rem 0;
  border-bottom: 1px solid #e8ecf1;
  position: relative;
}

.mia-hero-news-float__item:last-of-type {
  border-bottom: none;
}

.mia-hero-news-float__link {
  display: block;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--mia-primary);
  text-decoration: none;
  line-height: 1.35;
}

.mia-hero-news-float__link:hover {
  color: var(--mia-accent);
}

.mia-hero-news-float__meta {
  display: block;
  font-size: 0.78rem;
  color: var(--mia-muted);
  margin-top: 0.35rem;
  letter-spacing: 0.02em;
}

.mia-hero-news-float__more {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--mia-primary);
  text-decoration: none;
}

.mia-hero-news-float__more:hover {
  color: var(--mia-accent);
}

.mia-hero-news-float--quick-links .mia-hero-news-float__link {
  font-size: 0.8125rem;
  line-height: 1.35;
  word-break: break-word;
}

.mia-hero-news-float--quick-links .mia-hero-news-float__item {
  padding: 0.4rem 0;
}

.mia-hero-news-float--quick-links .mia-hero-news-float__title {
  font-size: 1rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
}

.mia-home-hero__indicators {
  z-index: 4;
  margin-bottom: 1.25rem;
}

.mia-home-hero .carousel-control-prev,
.mia-home-hero .carousel-control-next {
  z-index: 3;
  width: 8%;
}

.mia-home-hero .carousel-control-prev-icon,
.mia-home-hero .carousel-control-next-icon {
  filter: invert(1);
  opacity: 0.85;
}

.mia-home-hero .carousel-indicators {
  z-index: 3;
  margin-bottom: 1rem;
}

.mia-home-band {
  display: flex;
  align-items: center;
  padding-top: var(--mia-home-module-pad-y);
  padding-bottom: var(--mia-home-module-pad-y);
}

/* 首页同级模块：统一可感知的块高度（比 --fill 更克制） */
.mia-home-band--level {
  min-height: clamp(320px, 26vw, 420px);
}

/* 首页交替底色：用更明显的层次区分同级模块 */
.mia-home-band-surface-1 {
  background: #ffffff;
}

.mia-home-band-surface-2 {
  background: var(--mia-section-muted);
}

/* 仅需要「大块高度」的条带再拉高，避免整页每段都像等高块 */
.mia-home-band--fill {
  min-height: var(--mia-home-module-min-h);
}

.mia-home-band-navy {
  background: var(--mia-navy);
  color: #fff;
}

.mia-home-band-navy h2,
.mia-home-band-navy .h4,
.mia-home-band-navy .h5 {
  color: #fff !important;
}

.mia-home-band-navy .text-secondary {
  color: rgba(255, 255, 255, 0.85) !important;
}

.mia-home-band-navy .btn-outline-light {
  --bs-btn-color: #fff;
  --bs-btn-border-color: #fff;
  --bs-btn-hover-bg: #fff;
  --bs-btn-hover-color: var(--mia-navy-deep);
  --bs-btn-hover-border-color: #fff;
}

.mia-home-band-light {
  background: #f4f6f9;
  border-top: 1px solid var(--mia-border);
  border-bottom: 1px solid var(--mia-border);
}

.mia-home-band-light h2,
.mia-home-band-light h3 {
  color: var(--mia-navy-deep) !important;
}

.mia-home-news-scroll {
  max-height: min(320px, calc(var(--mia-home-module-min-h) + 40px));
  overflow-y: auto;
  padding-right: 0.25rem;
  margin-right: -0.25rem;
}

.mia-home-news-scroll .border-bottom:last-child {
  border-bottom: none !important;
}

.mia-card-header {
  background: linear-gradient(135deg, var(--mia-navy-deep) 0%, var(--mia-navy) 100%);
  border: none;
}

/* 表单必填星号：与首页 CTA 同源品牌红，醒目且不依赖浏览器默认 */
.mia-req-mark {
  color: var(--mia-accent);
  font-weight: 700;
  margin-left: 0.15em;
  white-space: nowrap;
}

.mia-form-section-title {
  color: var(--mia-brand);
  font-weight: 600;
  font-size: 1.1rem;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid rgba(var(--mia-primary-rgb), 0.2);
}

.mia-form-card .card-body {
  background: #fff;
}

.mia-table thead th {
  background-color: rgba(var(--mia-primary-rgb), 0.09);
  color: var(--mia-navy-deep);
  font-weight: 600;
  border-color: var(--mia-border) !important;
}

.mia-table-bordered {
  border-color: var(--mia-border);
}

.mia-category-box {
  background: rgba(var(--mia-primary-rgb), 0.04);
  border-color: rgba(var(--mia-primary-rgb), 0.15) !important;
}

.text-mia-brand {
  color: var(--mia-navy) !important;
}

.mia-navbar .mia-dropdown-menu {
  --mia-submenu-pad: 0.4rem;
  min-width: min(100vw - 1.5rem, 19.5rem);
  padding: var(--mia-submenu-pad);
  border: 1px solid var(--mia-border);
  border-radius: 0.65rem;
  box-shadow: 0 0.5rem 1.5rem rgba(10, 22, 41, 0.12);
}

.mia-navbar .mia-dropdown-menu .dropdown-item.mia-submenu-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.75rem 0.85rem;
  border-radius: 0.5rem;
  white-space: normal;
  color: var(--mia-body-text);
}

.mia-navbar .mia-dropdown-menu .dropdown-item.mia-submenu-item:hover,
.mia-navbar .mia-dropdown-menu .dropdown-item.mia-submenu-item:focus {
  background: rgba(var(--mia-primary-rgb), 0.07);
  color: var(--mia-navy-deep);
}

.mia-navbar .mia-dropdown-menu .dropdown-item.mia-submenu-item.disabled,
.mia-navbar .mia-dropdown-menu .dropdown-item.mia-submenu-item:disabled {
  opacity: 0.55;
  pointer-events: none;
}

.mia-navbar .mia-submenu-icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  color: #fff;
  background: linear-gradient(145deg, var(--mia-navy) 0%, var(--mia-navy-mid) 100%);
  box-shadow: 0 0.15rem 0.35rem rgba(10, 22, 41, 0.2);
}

.mia-navbar .mia-submenu-icon-muted {
  background: linear-gradient(145deg, #8b95a5 0%, #6c7582 100%);
  box-shadow: none;
  opacity: 0.9;
}

.mia-navbar .mia-submenu-body {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
  padding-top: 0.1rem;
}

.mia-navbar .mia-submenu-title {
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--mia-navy-deep);
}

.mia-navbar .mia-submenu-desc {
  font-size: 0.875rem;
  line-height: 1.35;
  color: var(--mia-muted);
}

.mia-navbar .dropdown-item.mia-submenu-item:hover .mia-submenu-title,
.mia-navbar .dropdown-item.mia-submenu-item:focus .mia-submenu-title {
  color: var(--mia-navy-deep);
}

/* 与 layout.css 中通用 .nav-link 规则并存：带 .mia-nav-link 时以此为准 */
.mia-navbar .nav-link.mia-nav-link {
  font-weight: 700;
  color: var(--mia-navy) !important;
  font-size: 1.1875rem;
}

.mia-navbar .nav-link.mia-nav-link:hover,
.mia-navbar .nav-link.mia-nav-link:focus,
.mia-navbar .nav-link.mia-nav-link.active {
  color: var(--mia-accent) !important;
}