/*
 * 雅途考试平台 H5 Web Responsive Layer
 * 仅调整 H5 展示与可访问性，不改变 Vue/uni-app 业务逻辑、路由或接口。
 */
:root {
  --web-primary: #1769e0;
  --web-primary-dark: #0d4fae;
  --web-primary-soft: #eaf3ff;
  --web-success: #159769;
  --web-warning: #e38824;
  --web-danger: #dc4b54;
  --web-ink: #172b42;
  --web-muted: #6c7d90;
  --web-border: #e2eaf3;
  --web-surface: #ffffff;
  --web-canvas: #f3f7fb;
  --web-shadow-sm: 0 5px 18px rgba(28, 65, 104, .06);
  --web-shadow-md: 0 16px 42px rgba(28, 65, 104, .11);
  --web-radius-sm: 10px;
  --web-radius: 16px;
  --web-radius-lg: 22px;
  --web-content: 1180px;
  --web-touch: 44px;
  --web-vh: 1vh;
}

html {
  min-width: 320px;
  min-height: 100%;
  color-scheme: light;
  background: var(--web-canvas);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  min-width: 320px;
  min-height: calc(var(--web-vh) * 100);
  margin: 0;
  color: var(--web-ink);
  background:
    radial-gradient(circle at 12% 0, rgba(23, 105, 224, .07), transparent 26rem),
    var(--web-canvas);
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
  font-weight: 400 !important;
  line-height: 1.55;
  overflow-x: hidden;
}

body *, body *::before, body *::after {
  box-sizing: border-box;
}

button, input, textarea, select {
  font: inherit;
}

button, uni-button, uni-navigator, [role="button"] {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
uni-button:focus-visible,
uni-navigator:focus-visible {
  outline: 3px solid rgba(23, 105, 224, .25);
  outline-offset: 2px;
}

uni-app.uni-app--maxwidth,
uni-app {
  width: 100% !important;
  max-width: none !important;
  min-height: calc(var(--web-vh) * 100);
  margin: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

uni-page,
uni-page-wrapper,
uni-page-body {
  width: 100%;
  min-height: calc(var(--web-vh) * 100);
}

uni-page-body {
  color: var(--web-ink);
  background: transparent !important;
}

uni-image img,
uni-image > div,
img,
video,
canvas {
  max-width: 100%;
}

/* Common surfaces */
.about-shadow,
.article-shadow,
.wallpaper-shadow,
.card-shadow,
.card-view,
.question-card,
.tui-card,
.tn-card,
[class*="__card"] {
  border: 1px solid var(--web-border) !important;
  border-radius: var(--web-radius) !important;
  background-color: var(--web-surface) !important;
  box-shadow: var(--web-shadow-sm) !important;
}

.article-shadow,
.wallpaper-shadow,
.question-card,
.card-view {
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

@media (hover: hover) and (pointer: fine) {
  .article-shadow:hover,
  .wallpaper-shadow:hover,
  .question-card:hover,
  .card-view:hover {
    transform: translateY(-3px);
    border-color: #bcd2ea !important;
    box-shadow: var(--web-shadow-md) !important;
  }

  uni-navigator,
  uni-button,
  button {
    cursor: pointer;
  }
}

.bg-primary,
.cu-btn.bg-primary {
  background: linear-gradient(135deg, var(--web-primary), var(--web-primary-dark)) !important;
  color: #fff !important;
}

.text-primary,
.tn-color-blue {
  color: var(--web-primary) !important;
}

.cu-btn,
uni-button,
button {
  min-height: var(--web-touch);
  border-radius: 11px !important;
}

.cu-bar.search {
  min-height: 64px;
  margin: 12px;
  padding: 8px 10px;
  border: 1px solid var(--web-border);
  border-radius: var(--web-radius);
  background: rgba(255, 255, 255, .96) !important;
  box-shadow: var(--web-shadow-sm);
}

.search-form,
.uni-input-wrapper,
uni-input,
uni-textarea {
  min-height: var(--web-touch);
}

.search-form {
  border: 1px solid #dce7f2;
  background: #f5f8fc !important;
}

.uni-input-input,
.uni-input-placeholder {
  font-size: 15px !important;
}

/* Top title bars */
.tn-custom-nav-bar__bar,
uni-page-head .uni-page-head {
  box-shadow: 0 1px 0 rgba(214, 225, 237, .9) !important;
}

.tn-custom-nav-bar__bar {
  background: linear-gradient(135deg, var(--web-primary), var(--web-primary-dark)) !important;
}

.tn-custom-nav-bar__bar__content {
  overflow: hidden;
  padding: 0 18px;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 700;
  letter-spacing: .02em;
}

/* Home */
.page-index-list {
  width: 100%;
}

.page-index-list .template-course {
  width: 100%;
  margin-right: auto !important;
  margin-left: auto !important;
}

.page-index-list .tn-swiper__wrap,
.page-index-list uni-swiper,
.page-index-list .uni-swiper-wrapper,
.page-index-list .tn-swiper__item__image {
  border-radius: var(--web-radius) !important;
  overflow: hidden;
}

.page-index-list .tui-rolling-news {
  margin: 12px;
  border: 1px solid #cfe9f4;
  border-radius: 12px;
}

.page-index-list .icon15__item--icon,
.page-index-list .icon15__item--image {
  transition: transform .2s ease, box-shadow .2s ease;
}

@media (hover: hover) and (pointer: fine) {
  .page-index-list .icon15__item--icon:hover,
  .page-index-list .icon15__item--image:hover {
    transform: translateY(-4px) scale(1.03);
  }
}

.page-index-list .kite-classify-cell {
  border-radius: var(--web-radius) !important;
  overflow: hidden;
  border: 1px solid var(--web-border);
  background: #fff;
  box-shadow: var(--web-shadow-sm) !important;
}

.page-index-list .nav-li {
  border-radius: 0 !important;
}

/* Lists */
.paper-contains,
.question-list,
.message,
.container {
  width: 100%;
}

.paper-contains .article-shadow,
.message .wallpaper-shadow {
  overflow: hidden;
}

.question-list .question-card {
  overflow: hidden;
}

.options,
.explain {
  line-height: 1.8;
}

.option-img {
  border-radius: 10px;
}

/* Modals and sheets must remain usable on narrow and wide screens */
.uni-modal,
.tui-modal-box,
.tui-modal-custom,
uni-actionsheet .uni-actionsheet {
  max-width: min(92vw, 520px) !important;
  margin-right: auto;
  margin-left: auto;
  border-radius: var(--web-radius-lg) !important;
}

/* Bottom navigation: polished mobile baseline */
.index-bottom,
.footerfixed.tabbar {
  border: 1px solid rgba(214, 225, 237, .95) !important;
  background: rgba(255, 255, 255, .94) !important;
  box-shadow: 0 12px 35px rgba(31, 67, 106, .18) !important;
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.index-bottom uni-navigator,
.footerfixed.tabbar .action,
.footerfixed.tabbar uni-navigator {
  min-width: var(--web-touch);
  min-height: var(--web-touch);
}

.index-bottom uni-text,
.footerfixed.tabbar uni-view {
  font-weight: 600;
}

/* Phone */
@media (max-width: 767px) {
  body {
    background: #f5f7fa;
  }

  uni-page-body {
    padding-bottom: max(82px, calc(68px + env(safe-area-inset-bottom)));
  }

  .tn-margin,
  .tn-margin-sm,
  .card-view {
    margin-right: 10px !important;
    margin-left: 10px !important;
  }

  .about-shadow,
  .article-shadow,
  .wallpaper-shadow,
  .question-card,
  .card-view {
    border-radius: 14px !important;
  }

  .index-bottom {
    width: calc(100% - 20px) !important;
    max-width: 560px;
    min-height: 62px !important;
    height: auto !important;
    right: 10px !important;
    bottom: max(10px, env(safe-area-inset-bottom)) !important;
    left: 10px !important;
    padding: 6px 4px calc(5px + env(safe-area-inset-bottom) / 3) !important;
    border-radius: 18px !important;
  }

  .index-bottom .index-b-center {
    width: auto !important;
    height: auto !important;
    margin: 0 !important;
  }

  .index-bottom .index-b-center uni-image,
  .index-bottom uni-image {
    width: 24px !important;
    height: 24px !important;
    margin: 3px auto 2px !important;
  }

  .index-bottom uni-text {
    font-size: 11px !important;
  }

  .footerfixed.tabbar {
    width: calc(100% - 20px) !important;
    min-height: 64px !important;
    height: auto !important;
    margin: 0 !important;
    right: 10px !important;
    bottom: max(10px, env(safe-area-inset-bottom)) !important;
    left: 10px !important;
    border-radius: 18px !important;
  }

  .page-index-list .tn-swiper,
  .page-index-list uni-swiper {
    min-height: 180px;
  }

  .page-index-list .kite-classify-cell {
    min-width: 76vw;
  }
}

/* Tablet */
@media (min-width: 768px) and (max-width: 1023px) {
  uni-page-body {
    width: min(100%, 860px);
    margin: 0 auto;
    padding: 0 18px 110px;
  }

  .tn-custom-nav-bar,
  .tn-custom-nav-bar__bar {
    right: 0 !important;
    left: 0 !important;
    width: 100vw !important;
  }

  .tn-custom-nav-bar__bar__content,
  uni-page-head .uni-page-head__title {
    width: min(calc(100% - 36px), 824px) !important;
    max-width: 824px;
    margin: 0 auto;
  }

  .index-bottom,
  .footerfixed.tabbar {
    width: min(720px, calc(100% - 40px)) !important;
    min-height: 76px !important;
    height: 76px !important;
    right: 0 !important;
    bottom: 18px !important;
    left: 0 !important;
    margin-right: auto !important;
    margin-left: auto !important;
    padding: 6px 10px !important;
    border-radius: 20px !important;
  }

  .index-bottom uni-image {
    width: 28px !important;
    height: 28px !important;
    margin: 2px auto 3px !important;
  }

  .index-bottom uni-text,
  .footerfixed.tabbar .action {
    font-size: 13px !important;
  }

  .page-index-list .tn-swiper,
  .page-index-list uni-swiper {
    min-height: 280px;
  }

  .message {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    gap: 14px;
  }

  .message .wallpaper-shadow {
    height: calc(100% - 2px);
    margin: 0 !important;
  }

  .message > uni-view:first-child,
  .message > uni-view:last-child,
  .message .tn-tabbar-height {
    grid-column: 1 / -1;
  }
}

/* Desktop and large screens */
@media (min-width: 1024px) {
  :root {
    --web-sidebar: 104px;
  }

  body {
    background:
      linear-gradient(rgba(23, 105, 224, .025) 1px, transparent 1px),
      linear-gradient(90deg, rgba(23, 105, 224, .025) 1px, transparent 1px),
      radial-gradient(circle at 15% 0, rgba(23, 105, 224, .08), transparent 34rem),
      var(--web-canvas);
    background-size: 40px 40px, 40px 40px, auto, auto;
  }

  uni-page-wrapper {
    padding-left: 0;
  }

  uni-page:has(.index-bottom, .footerfixed.tabbar) uni-page-wrapper {
    padding-left: var(--web-sidebar);
  }

  uni-page-body {
    width: min(calc(100% - 54px), var(--web-content));
    min-height: calc(var(--web-vh) * 100);
    margin: 0 auto;
    padding: 78px 0 52px;
  }

  /* Custom and native page titles become a desktop web toolbar */
  .tn-custom-nav-bar,
  .tn-custom-nav-bar__bar {
    height: 62px !important;
  }

  .tn-custom-nav-bar__bar {
    top: 0 !important;
    right: 0 !important;
    left: 0 !important;
    width: auto !important;
    padding-top: 0 !important;
    color: var(--web-ink) !important;
    background: rgba(255, 255, 255, .92) !important;
    box-shadow: 0 1px 0 rgba(214, 225, 237, .95) !important;
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
  }

  uni-page:has(.index-bottom, .footerfixed.tabbar) .tn-custom-nav-bar__bar {
    left: var(--web-sidebar) !important;
  }

  .tn-custom-nav-bar__bar__content {
    top: 0 !important;
    width: min(calc(100% - 52px), var(--web-content)) !important;
    height: 62px !important;
    margin: 0 auto;
    padding: 0 !important;
    color: var(--web-ink) !important;
    line-height: 62px !important;
    text-align: left !important;
    font-size: 18px;
  }

  uni-page-head {
    right: 0 !important;
    left: 0 !important;
    width: auto !important;
  }

  uni-page-head .uni-page-head {
    right: 0 !important;
    left: 0 !important;
    width: auto !important;
    height: 62px !important;
    color: var(--web-ink) !important;
    background: rgba(255, 255, 255, .94) !important;
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
  }

  uni-page:has(.index-bottom, .footerfixed.tabbar) uni-page-head .uni-page-head {
    left: var(--web-sidebar) !important;
  }

  uni-page-head .uni-page-head__title,
  uni-page-head .uni-btn-icon {
    color: var(--web-ink) !important;
  }

  /* Tabbar becomes a desktop navigation rail */
  .index-bottom,
  .footerfixed.tabbar {
    display: flex !important;
    flex-direction: column !important;
    justify-content: flex-start !important;
    gap: 7px;
    top: 18px !important;
    right: auto !important;
    bottom: auto !important;
    left: 14px !important;
    width: 76px !important;
    height: auto !important;
    max-height: calc(100vh - 36px);
    margin: 0 !important;
    padding: 58px 8px 10px !important;
    overflow-y: auto;
    border-radius: 22px !important;
    z-index: 30020 !important;
  }

  .index-bottom::before,
  .footerfixed.tabbar::before {
    content: "雅途";
    position: absolute;
    top: 11px;
    right: 10px;
    left: 10px;
    display: grid;
    height: 38px;
    place-items: center;
    border-radius: 12px;
    color: #fff;
    background: linear-gradient(145deg, #2a83ea, var(--web-primary-dark));
    box-shadow: 0 8px 18px rgba(23, 105, 224, .25);
    font-size: 15px;
    font-weight: 800;
    letter-spacing: .1em;
  }

  .index-bottom > uni-navigator,
  .footerfixed.tabbar .action,
  .footerfixed.tabbar .action > uni-navigator {
    display: flex !important;
    flex: none !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100% !important;
    min-height: 64px !important;
    margin: 0 !important;
    padding: 6px 2px !important;
    border-radius: 13px;
    line-height: 1.2;
    transition: background .2s ease, transform .2s ease;
  }

  .index-bottom > uni-navigator:hover,
  .footerfixed.tabbar .action:hover {
    transform: translateY(-1px);
    background: var(--web-primary-soft);
  }

  .index-bottom .index-b-center {
    width: 100% !important;
    height: auto !important;
    margin: 0 !important;
  }

  .index-bottom uni-image {
    width: 27px !important;
    height: 27px !important;
    margin: 0 auto 5px !important;
  }

  .index-bottom .index-b-center uni-image {
    width: 29px !important;
    height: 29px !important;
  }

  .index-bottom uni-text,
  .footerfixed.tabbar .action {
    font-size: 11px !important;
  }

  .footerfixed.tabbar .action .bar-icon {
    width: auto !important;
    margin-bottom: 5px !important;
    font-size: 25px !important;
  }

  /* Hide tabbar's mobile-only spacer */
  uni-page-body > uni-view > uni-view:has(> .index-bottom) > uni-view:first-child,
  uni-page-body > uni-view > uni-view:has(> .footerfixed.tabbar) > uni-view:first-child {
    display: none !important;
  }

  .cu-bar.search {
    max-width: 760px;
    margin: 18px auto;
  }

  .page-index-list .template-course {
    max-width: var(--web-content);
    padding-bottom: 30px;
  }

  .page-index-list .tn-margin-sm:has(> .tn-swiper__wrap) {
    margin: 18px 0 !important;
  }

  .page-index-list .tn-swiper,
  .page-index-list uni-swiper {
    min-height: 320px;
  }

  .page-index-list .about-shadow {
    margin-top: 18px !important;
    border-radius: var(--web-radius-lg) !important;
  }

  .page-index-list .kite-classify-scroll .uni-scroll-view-content {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    padding: 8px 16px 18px;
  }

  .page-index-list .kite-classify-cell {
    width: auto !important;
    min-width: 0 !important;
    margin: 0 !important;
  }

  .paper-contains > uni-view:first-child,
  .message {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    gap: 16px;
  }

  .paper-contains .article-shadow,
  .message .wallpaper-shadow {
    height: calc(100% - 4px);
    margin: 0 !important;
  }

  .paper-contains .cu-load,
  .message > uni-view:first-child,
  .message > uni-view:last-child,
  .message .tn-tabbar-height {
    grid-column: 1 / -1;
  }

  .question-list,
  .container,
  .card-view {
    max-width: 980px;
    margin-right: auto !important;
    margin-left: auto !important;
  }

  .question-list .question-card {
    margin: 18px 0 !important;
  }

  .tui-scroll-top_box {
    right: 28px !important;
    bottom: 30px !important;
  }
}

/* Very large displays */
@media (min-width: 1600px) {
  :root {
    --web-content: 1320px;
    --web-sidebar: 116px;
  }

  .index-bottom,
  .footerfixed.tabbar {
    left: 20px !important;
    width: 82px !important;
  }

  .page-index-list .kite-classify-scroll .uni-scroll-view-content {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* Landscape phones and short browser windows */
@media (max-height: 560px) and (min-width: 640px) {
  .index-bottom,
  .footerfixed.tabbar {
    gap: 2px;
    max-height: calc(100vh - 16px);
    padding-top: 48px !important;
  }

  .index-bottom::before,
  .footerfixed.tabbar::before {
    top: 7px;
    height: 34px;
  }

  .index-bottom > uni-navigator,
  .footerfixed.tabbar .action,
  .footerfixed.tabbar .action > uni-navigator {
    min-height: 50px !important;
  }
}

/* Reduced motion and print */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

@media print {
  body { background: #fff !important; }
  .index-bottom,
  .footerfixed.tabbar,
  .tui-scroll-top_box,
  .tn-custom-nav-bar { display: none !important; }
  uni-page-wrapper { padding-left: 0 !important; }
  uni-page-body { width: 100% !important; padding: 0 !important; }
  .about-shadow,
  .article-shadow,
  .wallpaper-shadow,
  .question-card { box-shadow: none !important; break-inside: avoid; }
}

/* 2026-07-26 人性化视觉优化：与官网首页统一的雅途蓝色体系 */
body {
  --web-focus-ring: 0 0 0 4px rgba(23, 105, 224, .12);
}

/* 更清晰的页面层级与阅读节奏 */
uni-page-body > uni-view:not(.tn-custom-nav-bar):not(.index-bottom):not(.footerfixed) {
  animation: web-page-in .22s ease-out both;
}

@keyframes web-page-in {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 表单控件统一为首页的蓝白风格 */
.login__info__item__input,
.tn-input,
.uni-easyinput__content,
uni-textarea,
.search-form {
  border: 1px solid #d7e3f0 !important;
  border-radius: 13px !important;
  background: #f8fbff !important;
  transition: border-color .18s ease, background-color .18s ease, box-shadow .18s ease;
}

.login__info__item__input:focus-within,
.tn-input:focus-within,
.uni-easyinput__content:focus-within,
uni-textarea:focus-within,
.search-form:focus-within {
  border-color: #74a8e8 !important;
  background: #fff !important;
  box-shadow: var(--web-focus-ring) !important;
}

.login__info__item__input__left-icon,
.login__info__item__input__right-icon {
  color: var(--web-primary) !important;
}

/* 登录页：移除注册切换，增加管理员开通说明 */
body[data-h5-route="pages/user/login-reg"] .login__mode {
  display: none !important;
}

body[data-h5-route="pages/user/login-reg"] .template-login {
  min-height: calc(var(--web-vh) * 100);
}

body[data-h5-route="pages/user/login-reg"] .login__wrapper,
body[data-h5-route="pages/user/login-reg"] .margin-top-300 {
  margin-top: clamp(190px, 35vh, 300px) !important;
}

body[data-h5-route="pages/user/login-reg"] .login__info {
  max-width: 520px;
  margin-right: auto !important;
  margin-left: auto !important;
  padding: 28px !important;
  border: 1px solid rgba(216, 229, 243, .95) !important;
  border-radius: 22px !important;
  background: rgba(255, 255, 255, .97) !important;
  box-shadow: 0 22px 60px rgba(30, 67, 110, .15) !important;
}

body[data-h5-route="pages/user/login-reg"] .login__info::before {
  content: "账号登录";
  width: 100%;
  margin-bottom: 4px;
  color: var(--web-ink);
  text-align: left;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .02em;
}

.web-account-notice {
  width: 100%;
  margin: 8px 0 10px;
  padding: 11px 13px;
  border: 1px solid #cfe0f4;
  border-radius: 11px;
  color: #526c88;
  background: #f1f7ff;
  font-size: 13px;
  line-height: 1.65;
}

.web-account-notice strong {
  display: block;
  margin-bottom: 2px;
  color: var(--web-primary-dark);
  font-size: 14px;
}


.web-account-credential-tip {
  display: block;
  margin-top: 9px;
  padding: 8px 10px;
  border-left: 4px solid #ff5a4f;
  border-radius: 7px;
  color: #c9362c;
  background: linear-gradient(90deg, #fff0dc, #fff7e9);
  box-shadow: 0 4px 12px rgba(255, 90, 79, .12);
  font-size: 14px;
  font-style: normal;
  font-weight: 800;
  line-height: 1.55;
}

body[data-h5-route="pages/user/login-reg"] .native-account-notice .web-account-notice__title,
body[data-h5-route="pages/user/login-reg"] .native-account-notice .web-account-notice__desc {
  display: block;
}

body[data-h5-route="pages/user/login-reg"] .login__info__item__input {
  min-height: 54px !important;
  margin-top: 14px !important;
}

body[data-h5-route="pages/user/login-reg"] .login__info__item__button {
  min-height: 52px !important;
  margin-top: 24px !important;
  margin-bottom: 12px !important;
  border-radius: 13px !important;
  background: linear-gradient(135deg, var(--web-primary), var(--web-primary-dark)) !important;
  box-shadow: 0 12px 25px rgba(23, 105, 224, .24) !important;
  letter-spacing: .28em !important;
  text-indent: .28em !important;
}

/* 操作反馈更柔和，危险操作仍保持红色辨识 */
.tn-btn:not(.tn-bg-red),
.cu-btn:not(.bg-red),
uni-button[type="primary"] {
  border-color: transparent !important;
  background-image: linear-gradient(135deg, var(--web-primary), var(--web-primary-dark)) !important;
  box-shadow: 0 8px 20px rgba(23, 105, 224, .18);
}

/* 手机端减少登录页顶部空白；桌面端形成官网同款双层背景 */
@media (max-width: 767px) {
  body[data-h5-route="pages/user/login-reg"] .login__wrapper,
  body[data-h5-route="pages/user/login-reg"] .margin-top-300 {
    margin-top: 220px !important;
  }

  body[data-h5-route="pages/user/login-reg"] .login__info {
    width: calc(100% - 28px) !important;
    padding: 22px 18px !important;
    border-radius: 18px !important;
  }
}

@media (min-width: 1024px) {
  body[data-h5-route="pages/user/login-reg"] uni-page-body {
    width: 100% !important;
    max-width: none !important;
    padding: 62px 0 0 !important;
    background:
      radial-gradient(circle at 75% 18%, rgba(69, 160, 255, .18), transparent 25rem),
      linear-gradient(155deg, #f7fbff 0%, #eef5fd 58%, #f9fbfe 100%) !important;
  }

  body[data-h5-route="pages/user/login-reg"] .login {
    display: grid;
    place-items: center;
    min-height: calc(var(--web-vh) * 100 - 62px);
  }

  body[data-h5-route="pages/user/login-reg"] .login__wrapper,
  body[data-h5-route="pages/user/login-reg"] .margin-top-300 {
    width: min(520px, calc(100% - 48px)) !important;
    margin-top: 0 !important;
  }

  body[data-h5-route="pages/user/login-reg"] .login__bg--top,
  body[data-h5-route="pages/user/login-reg"] .login__bg--bottom {
    opacity: .35;
  }
}

/* 2026-07-27 多端稳定性修正：防止组件根节点 transform 让 fixed 浮层跟随长页面漂移。 */
html {
  max-width: 100%;
  overflow-x: hidden;
}

@media (max-width: 1023px) {
  body,
  uni-app,
  uni-page,
  uni-page-wrapper,
  uni-page-body {
    max-width: 100% !important;
    overflow-x: hidden !important;
  }

  /* uni-app 页面切换结束后仍会保留 matrix(1,0,0,1,0,0)，会把底栏、弹窗和按钮的 fixed 定位变成页内定位。 */
  uni-page-body > uni-view {
    animation: none !important;
    transform: none !important;
  }

  /* 手机和平板使用原生页面标题，避免搜索、资讯等页面出现第二条悬浮标题栏。 */
  body:not([data-h5-route="pages/index/index"]) .tn-custom-nav-bar,
  body:not([data-h5-route="pages/index/index"]) .tn-custom-nav-bar__bar {
    display: none !important;
    height: 0 !important;
  }

  body:not([data-h5-route="pages/index/index"]) .tn-custom-nav-bar + uni-view[style*="height"] {
    display: none !important;
    height: 0 !important;
  }

  /* 底部导航始终贴近安全区，不漂移到页面中部，并为正文保留点击空间。 */
  .index-bottom,
  .footerfixed.tabbar {
    top: auto !important;
    bottom: max(8px, env(safe-area-inset-bottom)) !important;
  }

  uni-page:has(.index-bottom, .footerfixed.tabbar) uni-page-body {
    padding-bottom: calc(82px + env(safe-area-inset-bottom)) !important;
  }

  /* 题目页弹层严格限制在设备视口内，避免平板横向溢出。 */
  .questions .cu-modal,
  .questions .cu-modal.bottom-modal,
  .questions .cu-modal.fixed-bottom {
    right: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    max-width: 100vw !important;
    transform: none !important;
  }

  /* 纠错浮钮缩小并固定在答题操作栏上方，避免遮住选项、答案。 */
  .questions .tn-fab__box {
    right: 12px !important;
    bottom: calc(78px + env(safe-area-inset-bottom)) !important;
    width: 48px !important;
    height: 48px !important;
    max-width: 48px !important;
    max-height: 48px !important;
  }
}