/* ==========================================================
   沥校通 · 总后台登录页
   纯代码实现：渐变 / 光斑 / 网格 / SVG 图标 + 轻动效
   响应式：grid + clamp，适配 1280 ~ 2560 各类 PC 屏
   ========================================================== */

html {
  height: 100%;
  overflow-x: hidden;
}

body.lx-login {
  margin: 0;
  /* admin.css 里 body 有 height:100%，这里改回自适应，内容超高时可正常滚动 */
  height: auto;
  min-height: 100vh;
  background: #eef3fb;
  color: #0f1c33;
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

/* ==================== 整体骨架 ==================== */
.lx-page {
  --lx-blue: #2f7cf6;
  --lx-blue-deep: #1b5ce0;
  --lx-ink: #101a2d;
  --lx-ink-2: #5b6b86;
  --lx-line: #e4ebf6;
  display: grid;
  grid-template-columns: 1.14fr 0.86fr;
  min-height: 100vh;
  min-height: 100dvh;
}

/* ==================== 左侧品牌区 ==================== */
.lx-hero {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: clamp(24px, 3vw, 64px) clamp(24px, 3.4vw, 76px) clamp(22px, 2.4vw, 44px);
  background:
    radial-gradient(120% 90% at 8% 4%, #1b4bb0 0%, rgba(27, 75, 176, 0) 58%),
    linear-gradient(148deg, #0a1c44 0%, #123a94 46%, #1b5ce0 100%);
  color: #eaf1ff;
  isolation: isolate;
}

/* 流动的极光 */
.lx-hero__mesh {
  position: absolute;
  inset: -25%;
  z-index: -3;
  background:
    radial-gradient(36% 40% at 20% 24%, rgba(86, 163, 255, .55), transparent 62%),
    radial-gradient(32% 36% at 84% 16%, rgba(0, 214, 201, .34), transparent 66%),
    radial-gradient(40% 44% at 72% 86%, rgba(124, 92, 255, .46), transparent 66%),
    radial-gradient(26% 30% at 34% 82%, rgba(56, 224, 255, .24), transparent 64%);
  filter: blur(14px);
  animation: lxMesh 24s ease-in-out infinite alternate;
}

/* 细网格 */
.lx-hero__grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .055) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(88% 78% at 32% 36%, #000 20%, transparent 82%);
  -webkit-mask-image: radial-gradient(88% 78% at 32% 36%, #000 20%, transparent 82%);
}

/* 玻璃光斑 */
.lx-orb {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .16);
  background: linear-gradient(140deg, rgba(255, 255, 255, .16), rgba(255, 255, 255, .02));
  backdrop-filter: blur(2px);
  pointer-events: none;
}

.lx-orb--1 {
  width: clamp(180px, 17vw, 300px);
  aspect-ratio: 1;
  right: -70px;
  top: -80px;
  animation: lxOrb 17s ease-in-out infinite;
}

.lx-orb--2 {
  width: clamp(90px, 8.4vw, 150px);
  aspect-ratio: 1;
  right: 26%;
  bottom: 8%;
  animation: lxOrb 13s ease-in-out infinite reverse;
}

.lx-orb--3 {
  width: clamp(46px, 4vw, 74px);
  aspect-ratio: 1;
  left: 46%;
  top: 13%;
  animation: lxOrb 10s ease-in-out infinite;
}

/* 底部大号录取帽水印 */
.lx-hero__mark {
  position: absolute;
  right: -4%;
  bottom: -7%;
  width: clamp(320px, 34vw, 560px);
  height: auto;
  color: #fff;
  opacity: .055;
  z-index: -1;
  transform: rotate(-8deg);
  pointer-events: none;
}

/* ---------- 品牌 ---------- */
.lx-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  z-index: 2;
}

.lx-logo {
  position: relative;
  flex: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: linear-gradient(150deg, #59b6ff 0%, #2f7cf6 52%, #1b5ce0 100%);
  box-shadow: 0 8px 20px rgba(20, 80, 200, .45), inset 0 1px 0 rgba(255, 255, 255, .35);
}

.lx-logo svg {
  width: 24px;
  height: 24px;
}

.lx-logo::after {
  content: "";
  position: absolute;
  inset: -5px;
  border-radius: 16px;
  border: 1px solid rgba(120, 190, 255, .45);
  animation: lxPulse 3.4s ease-out infinite;
}

.lx-brand__text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  line-height: 1;
}

.lx-brand__text b {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 3px;
  color: #fff;
}

.lx-brand__text i {
  font-style: normal;
  font-size: 9px;
  letter-spacing: 2.6px;
  color: rgba(198, 220, 255, .62);
}

.lx-brand__tag {
  margin-left: 4px;
  padding: 4px 9px;
  border-radius: 6px;
  font-size: 11px;
  letter-spacing: 1px;
  color: #a9d3ff;
  background: rgba(126, 190, 255, .14);
  border: 1px solid rgba(126, 190, 255, .28);
}

/* ---------- 主文案 ---------- */
.lx-hero__body {
  position: relative;
  z-index: 2;
  margin-top: auto;
  margin-bottom: auto;
  padding: clamp(20px, 4vh, 54px) 0;
  max-width: 580px;
}

.lx-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 13px 6px 11px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: .6px;
  color: #bcd9ff;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
}

.lx-dot {
  position: relative;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #35e0b8;
  box-shadow: 0 0 0 3px rgba(53, 224, 184, .18);
}

.lx-dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1px solid rgba(53, 224, 184, .7);
  animation: lxPing 2s cubic-bezier(0, 0, .2, 1) infinite;
}

.lx-title {
  margin: 22px 0 0;
  font-size: clamp(29px, 2.75vw, 50px);
  line-height: 1.26;
  font-weight: 700;
  letter-spacing: -.6px;
  color: #f4f8ff;
}

.lx-title em {
  font-style: normal;
  background: linear-gradient(96deg, #8fd2ff 0%, #ffffff 46%, #a8f4e4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  position: relative;
}

.lx-lead {
  margin: 16px 0 0;
  max-width: 470px;
  text-wrap: pretty;
  font-size: clamp(12.5px, .95vw, 14.5px);
  line-height: 1.8;
  color: rgba(214, 230, 255, .68);
}

/* ---------- 能力卡片 ---------- */
.lx-feats {
  list-style: none;
  margin: clamp(20px, 3vh, 32px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  max-width: 560px;
}

.lx-feat {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 13px;
  border-radius: 14px;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .12);
  transition: background .24s ease, border-color .24s ease, transform .24s ease;
}

.lx-feat:hover {
  background: rgba(255, 255, 255, .13);
  border-color: rgba(160, 210, 255, .42);
  transform: translateY(-3px);
}

.lx-feat__ico {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #a8d4ff;
  background: rgba(140, 200, 255, .16);
  border: 1px solid rgba(160, 210, 255, .2);
}

.lx-feat__ico svg {
  width: 18px;
  height: 18px;
}

.lx-feat__txt {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
  line-height: 1.2;
}

.lx-feat__txt b {
  font-size: 13px;
  font-weight: 600;
  color: #f0f6ff;
  letter-spacing: .3px;
}

.lx-feat__txt i {
  font-style: normal;
  font-size: 11px;
  color: rgba(198, 219, 250, .6);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- 数据条 ---------- */
.lx-stats {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.2vw, 34px);
  margin-top: clamp(20px, 3vh, 30px);
}

.lx-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  line-height: 1;
}

.lx-stat + .lx-stat {
  padding-left: clamp(18px, 2.2vw, 34px);
  border-left: 1px solid rgba(255, 255, 255, .14);
}

.lx-stat b {
  font-size: clamp(19px, 1.55vw, 24px);
  font-weight: 600;
  color: #fff;
  letter-spacing: -.3px;
}

.lx-stat b span {
  font-size: .62em;
  margin-left: 2px;
  color: rgba(180, 210, 255, .8);
}

.lx-stat i {
  font-style: normal;
  font-size: 11px;
  letter-spacing: .3px;
  color: rgba(190, 214, 250, .58);
}

/* ---------- 页脚安全提示 ---------- */
.lx-hero__foot {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11.5px;
  letter-spacing: .2px;
  color: rgba(178, 204, 245, .5);
}

.lx-hero__foot svg {
  width: 14px;
  height: 14px;
  flex: none;
}

/* ---------- 浮动卡片 ---------- */
.lx-float {
  position: absolute;
  right: clamp(24px, 3vw, 52px);
  width: 228px;
  padding: 14px 15px;
  border-radius: 16px;
  background: rgba(255, 255, 255, .96);
  color: #16233c;
  box-shadow: 0 20px 48px rgba(4, 18, 52, .34);
  z-index: 3;
  display: none;
  animation: lxFloat 7.5s ease-in-out infinite;
}

.lx-float--a { top: 30%; animation-delay: -.4s; }
.lx-float--b { top: calc(30% + 150px); animation-delay: -3.6s; }

.lx-float__top {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lx-float__ico {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #2f7cf6;
  background: #eaf2ff;
}

.lx-float__ico--green {
  color: #12a86f;
  background: #e6f8f1;
}

.lx-float__ico svg {
  width: 15px;
  height: 15px;
}

.lx-float__title {
  font-size: 12px;
  font-weight: 600;
  color: #26344d;
}

.lx-float__badge {
  margin-left: auto;
  padding: 2px 7px;
  border-radius: 20px;
  font-size: 9.5px;
  color: #12a86f;
  background: #e6f8f1;
}

.lx-float__row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
}

.lx-float__big {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: #101a2d;
  letter-spacing: -1px;
}

.lx-float__big i {
  font-style: normal;
  font-size: 11px;
  font-weight: 500;
  margin-left: 2px;
  color: #8a97ad;
  letter-spacing: 0;
}

.lx-spark {
  width: 84px;
  height: 30px;
  flex: none;
}

.lx-float__sub {
  margin: 9px 0 0;
  font-size: 10.5px;
  color: #93a0b5;
}

.lx-float__num {
  margin: 12px 0 8px;
  font-size: 11px;
  color: #8a97ad;
}

.lx-float__num b {
  font-size: 19px;
  color: #101a2d;
  margin-right: 2px;
}

.lx-bar {
  height: 5px;
  border-radius: 4px;
  background: #eef2f9;
  overflow: hidden;
}

.lx-bar i {
  display: block;
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, #59b6ff, #2f7cf6);
  animation: lxBar 6s ease-in-out infinite;
}

/* ==================== 右侧登录区 ==================== */
.lx-panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(28px, 3vw, 56px);
  background:
    radial-gradient(90% 60% at 100% 0%, #f9fcff 0%, rgba(249, 252, 255, 0) 60%),
    linear-gradient(160deg, #f4f8fe 0%, #eaf1fb 100%);
}

/* 点阵纹理，缓慢流动 */
.lx-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(47, 124, 246, .12) 1px, transparent 1px);
  background-size: 20px 20px;
  mask-image: radial-gradient(72% 62% at 68% 32%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(72% 62% at 68% 32%, #000 0%, transparent 78%);
  animation: lxDots 40s linear infinite;
  z-index: 0;
}

/* 右侧装饰层：单独裁切，不影响面板自身高度 */
.lx-panel__deco {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.lx-panel__deco::before {
  content: "";
  position: absolute;
  width: 380px;
  height: 380px;
  right: -90px;
  bottom: -110px;
  border-radius: 50%;
  border: 1px solid rgba(47, 124, 246, .1);
  background: radial-gradient(circle at 30% 30%, rgba(47, 124, 246, .05), transparent 70%);
}

.lx-panel__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: clamp(400px, 24vw, 480px);
  animation: lxRise .6s cubic-bezier(.22, .68, .35, 1) both;
}

/* ---------- 登录卡 ---------- */
.lx-card {
  padding: clamp(26px, 2.3vw, 38px) clamp(24px, 2.2vw, 34px) clamp(20px, 1.9vw, 26px);
  border-radius: 20px;
  background: #fff;
  border: 1px solid #edf2fa;
  box-shadow:
    0 1px 2px rgba(18, 42, 88, .04),
    0 18px 48px rgba(18, 52, 120, .09);
}

.lx-card__head {
  margin-bottom: clamp(20px, 2.4vh, 26px);
}

.lx-card__head h2 {
  margin: 0;
  font-size: clamp(22px, 1.55vw, 26px);
  font-weight: 700;
  letter-spacing: -.4px;
  color: var(--lx-ink);
}

.lx-card__head p {
  margin: 9px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: #8a97ad;
}

/* ---------- 表单 ---------- */
.lx-form {
  margin: 0;
}

.lx-group {
  margin-bottom: 15px;
}

.lx-label {
  display: block;
  margin-bottom: 7px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .2px;
  color: #4b5b74;
}

.lx-field {
  position: relative;
  display: flex;
  align-items: center;
  height: 48px;
  padding-right: 6px;
  border-radius: 10px;
  background: #f7faff;
  border: 1px solid #e5ecf7;
  transition: background .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.lx-field:hover {
  border-color: #d3ddf0;
}

.lx-field:focus-within {
  background: #fff;
  border-color: #2f7cf6;
  box-shadow: 0 0 0 4px rgba(47, 124, 246, .12);
}

.lx-field__ico {
  flex: none;
  width: 42px;
  height: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #97a5bd;
  transition: color .18s ease;
}

.lx-field__ico svg {
  width: 17px;
  height: 17px;
}

.lx-field:focus-within .lx-field__ico {
  color: #2f7cf6;
}

.lx-field input {
  flex: 1 1 auto;
  min-width: 0;
  height: 100%;
  padding: 0 4px;
  border: 0;
  outline: 0;
  background: transparent;
  font-family: inherit;
  font-size: 14px;
  color: #16233c;
  letter-spacing: .2px;
}

.lx-field input::placeholder {
  color: #a9b5c9;
  letter-spacing: .2px;
}

.lx-field input:-webkit-autofill,
.lx-field input:-webkit-autofill:hover,
.lx-field input:-webkit-autofill:focus {
  -webkit-text-fill-color: #16233c;
  -webkit-box-shadow: 0 0 0 40px #f7faff inset;
  transition: background-color 9999s ease-in-out 0s;
}

/* 密码显隐 */
.lx-eye {
  flex: none;
  width: 34px;
  height: 34px;
  margin-right: 4px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #9aa7bd;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color .18s ease, background .18s ease;
}

.lx-eye svg {
  width: 17px;
  height: 17px;
}

.lx-eye:hover {
  color: #52637f;
  background: #eef3fb;
}

.lx-eye.is-on {
  color: #2f7cf6;
}

.lx-eye .lx-eye__on { display: none; }
.lx-eye.is-on .lx-eye__off { display: none; }
.lx-eye.is-on .lx-eye__on { display: block; }

/* 验证码一行 */
.lx-coderow {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 10px;
  align-items: stretch;
}

.lx-captcha {
  width: 120px;
  height: 48px;
  border-radius: 10px;
  border: 1px solid #e5ecf7;
  background: #f7faff;
  object-fit: cover;
  cursor: pointer;
  display: block;
  transition: border-color .18s ease, transform .18s ease;
}

.lx-captcha:hover {
  border-color: #bfd6fb;
  transform: translateY(-1px);
}

/* 记住账号 */
.lx-formbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 2px 0 18px;
}

.lx-check {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: #63738d;
  cursor: pointer;
  user-select: none;
}

.lx-check input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.lx-check i {
  flex: none;
  position: relative;
  width: 15px;
  height: 15px;
  border-radius: 4px;
  border: 1px solid #ccd8ea;
  background: #fff;
  transition: background .16s ease, border-color .16s ease;
}

.lx-check i::after {
  content: "";
  position: absolute;
  left: 4.5px;
  top: 1.5px;
  width: 4px;
  height: 8px;
  border: 1.6px solid #fff;
  border-top: 0;
  border-left: 0;
  transform: rotate(42deg) scale(0);
  transform-origin: center;
  transition: transform .16s ease;
}

.lx-check input:checked + i {
  background: #2f7cf6;
  border-color: #2f7cf6;
}

.lx-check input:checked + i::after {
  transform: rotate(42deg) scale(1);
}

.lx-check input:focus-visible + i {
  box-shadow: 0 0 0 3px rgba(47, 124, 246, .18);
}

.lx-help {
  font-size: 11.5px;
  color: #a3aec2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- 登录按钮 ---------- */
.lx-submit {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 48px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 5px;
  text-indent: 5px;
  background: linear-gradient(100deg, #3183fb 0%, #1f6bf0 52%, #1b5ce0 100%);
  box-shadow: 0 10px 22px rgba(31, 107, 240, .28), inset 0 1px 0 rgba(255, 255, 255, .22);
  transition: transform .16s ease, box-shadow .2s ease, filter .16s ease;
}

.lx-submit span {
  position: relative;
  z-index: 1;
}

.lx-submit svg {
  position: relative;
  z-index: 1;
  width: 17px;
  height: 17px;
  transition: transform .2s ease;
}

/* 掠过的高光 */
.lx-submit::after {
  content: "";
  position: absolute;
  top: 0;
  left: -70%;
  width: 42%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .42), transparent);
  transform: skewX(-18deg);
  transition: left .58s ease;
}

.lx-submit:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
  box-shadow: 0 14px 28px rgba(31, 107, 240, .34), inset 0 1px 0 rgba(255, 255, 255, .25);
}

.lx-submit:hover::after {
  left: 130%;
}

.lx-submit:hover svg {
  transform: translateX(3px);
}

.lx-submit:active {
  transform: translateY(0);
  box-shadow: 0 6px 14px rgba(31, 107, 240, .26);
}

.lx-submit:disabled {
  cursor: not-allowed;
  filter: grayscale(.2);
  opacity: .88;
  transform: none;
}

.lx-submit:focus-visible {
  outline: 2px solid #86b4ff;
  outline-offset: 3px;
}

/* ---------- 卡片底部 ---------- */
.lx-card__foot {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  margin-top: clamp(18px, 2.2vh, 24px);
  padding-top: 15px;
  border-top: 1px dashed #e9eef8;
  font-size: 11px;
  line-height: 1.6;
  color: #a3aec2;
}

.lx-card__foot svg {
  flex: none;
  width: 13px;
  height: 13px;
  margin-top: 1px;
  color: #b3bfd2;
}

.lx-copyright {
  margin: 16px 0 0;
  text-align: center;
  font-size: 11.5px;
  letter-spacing: .2px;
  color: #9aa7bd;
}

/* ==================== 动效 ==================== */
@keyframes lxMesh {
  0%   { transform: translate3d(-3%, -2%, 0) scale(1); }
  50%  { transform: translate3d(3%, 2%, 0) scale(1.08); }
  100% { transform: translate3d(-2%, 3%, 0) scale(1.03); }
}

@keyframes lxOrb {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50%      { transform: translate3d(-16px, 22px, 0); }
}

@keyframes lxFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

@keyframes lxPulse {
  0%   { opacity: .7; transform: scale(.94); }
  70%  { opacity: 0; transform: scale(1.16); }
  100% { opacity: 0; transform: scale(1.16); }
}

@keyframes lxPing {
  0%   { opacity: .8; transform: scale(.8); }
  70%  { opacity: 0; transform: scale(2); }
  100% { opacity: 0; transform: scale(2); }
}

@keyframes lxBar {
  0%, 100% { opacity: .85; }
  50%      { opacity: 1; }
}

@keyframes lxDots {
  from { background-position: 0 0; }
  to   { background-position: 40px 40px; }
}

@keyframes lxRise {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.lx-rise {
  animation: lxRise .62s cubic-bezier(.22, .68, .35, 1) both;
}

/* ==================== 响应式 ==================== */
/* 大屏才显示浮动卡片，避免与文案重叠 */
@media (min-width: 1560px) {
  .lx-float { display: block; }
  .lx-hero__body,
  .lx-feats { max-width: 620px; }
}

/* 中等屏：右侧收窄，左侧文案更紧凑 */
@media (max-width: 1180px) {
  .lx-page { grid-template-columns: minmax(0, 1fr) 440px; }
  .lx-hero { padding-left: clamp(24px, 2.6vw, 40px); padding-right: clamp(24px, 2.6vw, 40px); }
  .lx-feats { gap: 8px; }
  .lx-feat { padding: 10px 11px; gap: 9px; }
  .lx-feat__txt i { font-size: 10.5px; }
  .lx-lead { max-width: 420px; }
}

/* 矮屏笔记本（1366×768 的浏览器可视区约 620px）：压缩纵向间距 */
@media (max-height: 820px) and (min-width: 981px) {
  .lx-hero__body { padding: 16px 0; }
  .lx-title { margin-top: 16px; }
  .lx-lead { margin-top: 12px; }
  .lx-feats { margin-top: 18px; }
  .lx-stats { margin-top: 18px; }
  .lx-hero__foot { display: none; }
  .lx-panel { padding: 22px clamp(24px, 3vw, 44px); }

  /* 登录卡紧凑档，避免出现纵向滚动 */
  .lx-card { padding: 22px 24px 18px; border-radius: 18px; }
  .lx-card__head { margin-bottom: 15px; }
  .lx-card__head h2 { font-size: 22px; }
  .lx-card__head p { margin-top: 6px; }
  .lx-group { margin-bottom: 11px; }
  .lx-label { margin-bottom: 6px; }
  .lx-field { height: 44px; }
  .lx-captcha { width: 110px; height: 44px; }
  .lx-submit { height: 44px; font-size: 14px; }
  .lx-formbar { margin: 0 0 13px; }
  .lx-card__foot { display: none; }
  .lx-copyright { margin-top: 10px; }
}

@media (max-height: 620px) and (min-width: 981px) {
  .lx-stats { display: none; }
  .lx-title { font-size: clamp(26px, 2.4vw, 34px); }
  .lx-feats { margin-top: 14px; }
}

@media (max-height: 560px) and (min-width: 981px) {
  .lx-lead { display: none; }
}

/* 窄窗口：上下堆叠，左侧降级为顶部横幅 */
@media (max-width: 980px) {
  .lx-page { grid-template-columns: 1fr; min-height: 100vh; }
  .lx-hero {
    min-height: 0;
    padding: 26px 24px 36px;
    flex-direction: column;
  }
  .lx-hero__body { padding: 18px 0 0; margin: 0; max-width: none; }
  .lx-title { margin-top: 14px; font-size: 27px; }
  .lx-feats,
  .lx-stats,
  .lx-hero__foot,
  .lx-float,
  .lx-hero__mark { display: none; }
  .lx-lead { margin-top: 10px; font-size: 12.5px; }
  .lx-panel { padding: 26px 20px 34px; align-items: flex-start; }
  .lx-panel__inner { max-width: 440px; }
}

/* 2K / 4K 大屏：整体放大一档，避免内容显得空旷 */
@media (min-width: 1800px) {
  .lx-title { font-size: clamp(50px, 2.5vw, 62px); }
  .lx-lead { font-size: clamp(14px, .85vw, 17px); max-width: 560px; }
  .lx-eyebrow { font-size: 13px; padding: 7px 15px 7px 12px; }
  .lx-feats { gap: 12px; }
  .lx-feat { padding: 14px 16px; gap: 13px; }
  .lx-feat__ico { width: 38px; height: 38px; border-radius: 11px; }
  .lx-feat__ico svg { width: 20px; height: 20px; }
  .lx-feat__txt b { font-size: 14.5px; }
  .lx-feat__txt i { font-size: 12px; }
  .lx-brand__text b { font-size: 22px; }
  .lx-logo { width: 46px; height: 46px; border-radius: 13px; }
  .lx-logo svg { width: 26px; height: 26px; }
  .lx-card__head h2 { font-size: 29px; }
  .lx-card__head p { font-size: 13.5px; }
  .lx-field { height: 52px; }
  .lx-captcha { height: 52px; width: 130px; }
  .lx-submit { height: 52px; font-size: 16px; }
  .lx-float { width: 250px; }
}

/* 尊重系统「减少动态效果」设置 */
@media (prefers-reduced-motion: reduce) {
  body.lx-login *,
  body.lx-login *::before,
  body.lx-login *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

/* 登录页 LOGO 支持图片（系统设置里的系统 Logo） */
.lx-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 12px;
}

/* 页脚 ICP 备案号 */
.lx-copyright a {
  color: #7d8ba3;
  text-decoration: none;
  letter-spacing: .2px;
}
.lx-copyright a:hover { color: #2f7cf6; text-decoration: underline; }