:root {
  --red: #c83b32;
  --red-soft: #f4ded8;
  --green: #476f63;
  --green-dark: #213f38;
  --gold: #c49245;
  --ink: #26302c;
  --muted: #737b76;
  --paper: #fbf7ed;
  --paper-2: #f7efe2;
  --line: #eadfce;
  --white: #fffdf8;
  --shadow: 0 24px 70px rgba(69, 53, 35, .12);
}

.auth-layer-message {
  /* 认证页 layui 消息提示皮肤，替代浏览器原生 alert。 */
  min-width: 160px;
  border-radius: 999px !important;
  background: rgba(38, 48, 44, .94) !important;
  box-shadow: 0 16px 42px rgba(38, 48, 44, .24) !important;
}

.auth-layer-message .layui-layer-content {
  padding: 10px 18px !important;
  color: #fffdf8 !important;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.6;
  text-align: center;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  background: var(--paper);
}

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

img {
  max-width: 100%;
  display: block;
}

@media (hover: hover) and (pointer: fine) {

  a,
  .btn,
  .card,
  button,
  summary {
    cursor: pointer;
  }
}

.container {
  width: min(1280px, calc(100% - 72px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background:
    linear-gradient(115deg, rgba(110, 38, 32, .96) 0%, rgba(200, 59, 50, .96) 48%, rgba(139, 52, 39, .96) 100%);
  border-bottom: 1px solid rgba(255, 253, 248, .2);
  box-shadow:
    0 4px 0 rgba(93, 30, 26, .2),
    0 18px 38px rgba(83, 32, 26, .34),
    0 30px 70px rgba(83, 32, 26, .22);
  backdrop-filter: blur(18px);
}

.nav {
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: flex !important;
  align-items: center;
  gap: 12px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 253, 248, .92);
  box-shadow: 0 10px 28px rgba(63, 28, 22, .18);
  font-size: 24px;
  font-weight: 800;
  white-space: nowrap;
}

.brand-logo {
  display: block;
  width: 270px;
  height: auto;
}

.footer .brand-logo {
  width: 270px;
}

.auth-page-brand .brand-logo {
  width: 220px;
}

.brand-logo-mark {
  width: 48px;
  height: 48px;
}

.brand-text {
  color: var(--ink);
  font-weight: 900;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--red);
  box-shadow: 0 10px 24px rgba(200, 59, 50, .22);
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  color: rgba(255, 253, 248, .78);
  font-size: 15px;
  white-space: nowrap;
}

.nav-links a.active,
.nav-links a:hover {
  color: #fff7d8;
}

.nav-links a,
.nav-actions a {
  position: relative;
  transition: color .22s ease, transform .22s ease;
}

.nav-links a:after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #f5d99b, #fff3c8);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .24s ease;
}

.nav-links a.active:after,
.nav-links a:hover:after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(255, 253, 248, .86);
  font-size: 15px;
  white-space: nowrap;
}

.btn {
  min-width: 118px;
  height: 44px;
  padding: 0 24px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  font-weight: 800;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease;
  will-change: transform;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.primary {
  color: #fff;
  background: var(--red);
  box-shadow: 0 14px 30px rgba(200, 59, 50, .24);
}

.btn.primary:hover {
  box-shadow: 0 18px 38px rgba(200, 59, 50, .3);
}

.site-header .btn.primary {
  color: #8f332b;
  background: linear-gradient(135deg, #fff8e6, #f1d49a);
  box-shadow: 0 12px 28px rgba(64, 26, 21, .22);
}

.site-header .btn.primary:hover {
  box-shadow: 0 16px 34px rgba(64, 26, 21, .3);
}

.btn.ghost {
  color: var(--red);
  border-color: rgba(200, 59, 50, .28);
  background: rgba(255, 255, 255, .68);
}

.inner-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 12%, rgba(196, 146, 69, .16), transparent 24%),
    linear-gradient(125deg, #fffaf0 0%, #f7efe2 48%, #edf4ef 100%);
}

.inner-hero:before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(138, 50, 43, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138, 50, 43, .05) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent);
}

.inner-hero .container {
  position: relative;
  z-index: 2;
  min-height: 410px;
  padding: 68px 0 72px;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 54px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  color: #8a5a3b;
  font-weight: 800;
}

.eyebrow:before {
  content: "";
  width: 42px;
  height: 2px;
  background: var(--red);
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  color: var(--ink);
  font-family: "SimSun", "Songti SC", serif;
  font-size: 52px;
  line-height: 1.16;
}

h2 {
  margin-bottom: 14px;
  font-family: "SimSun", "Songti SC", serif;
  font-size: 42px;
  line-height: 1.25;
}

h3 {
  margin-bottom: 12px;
  font-size: 23px;
}

.lead {
  max-width: 620px;
  margin-bottom: 0;
  color: #645d52;
  font-size: 18px;
  line-height: 1.9;
}

.hero-card {
  min-height: 260px;
  padding: 28px;
  border: 1px solid rgba(224, 211, 189, .88);
  border-radius: 24px;
  background: rgba(255, 253, 248, .92);
  box-shadow: var(--shadow);
}

.section {
  padding: 76px 0;
}

.section.alt {
  background: #fffdf8;
}

.section-head {
  margin-bottom: 34px;
  text-align: center;
}

.section-head p {
  max-width: 720px;
  margin: 14px auto 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 22px;
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  padding: 24px;
  border-radius: 18px;
  background: #fffdf8;
  border: 1px solid var(--line);
  box-shadow: 0 16px 42px rgba(57, 48, 36, .07);
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease, background .24s ease;
  will-change: transform;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(196, 146, 69, .38);
  box-shadow: 0 24px 60px rgba(57, 48, 36, .11);
}

.card.soft {
  background: #fbf7ed;
}

.card.dark {
  color: #fff;
  background: linear-gradient(155deg, var(--green-dark), var(--green));
}

.card.dark p {
  color: rgba(255, 255, 255, .78);
}

.card p,
.muted {
  color: var(--muted);
  line-height: 1.8;
}

.tag-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tag {
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--green);
  background: #eaf0eb;
  font-size: 14px;
  font-weight: 700;
}

.toolbar {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  padding: 0 16px;
  border: 1px solid #e2d4bf;
  border-radius: 999px;
  color: var(--ink);
  background: #fbf8f1;
  font: inherit;
}

textarea {
  min-height: 128px;
  padding: 14px 16px;
  border-radius: 18px;
  resize: vertical;
}

.form-grid {
  display: grid;
  gap: 16px;
}

.form-card {
  max-width: 560px;
  margin: 0 auto;
  padding: 34px;
}

.auth-layout {
  min-height: calc(100vh - 82px);
  display: grid;
  place-items: center;
  padding: 62px 24px;
  background:
    radial-gradient(circle at 18% 20%, rgba(200, 59, 50, .09), transparent 24%),
    linear-gradient(125deg, #fffaf0, #f7efe2 54%, #edf4ef);
}

/* 认证类页面共用祖堂背景，登录、注册、找回密码只保留自己的差异样式 */
.auth-scenic-layout {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  padding: 56px 24px 72px;
  place-items: center;
  background:
    linear-gradient(90deg, rgba(255, 253, 248, .86), rgba(255, 253, 248, .46) 45%, rgba(255, 253, 248, .88)),
    linear-gradient(135deg, rgba(200, 59, 50, .08), transparent 34%),
    url("../images/ancestral-hall-new.png") center / cover no-repeat;
}

.auth-scenic-layout:before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(251, 247, 237, .42), rgba(251, 247, 237, .86)),
    radial-gradient(circle at 50% 42%, rgba(255, 253, 248, .3), transparent 30%);
  backdrop-filter: blur(2px);
}

.auth-page-brand {
  position: absolute;
  left: clamp(18px, 4vw, 56px);
  top: clamp(18px, 4vw, 42px);
  z-index: 3;
}

/* 认证卡片公共样式，避免登录、注册、找回密码页面重复维护 */
.auth-card {
  width: min(440px, 100%);
  padding: 38px;
  border-radius: 16px;
  border-color: rgba(224, 211, 189, .9);
  background: rgba(255, 253, 248, .94);
  box-shadow: 0 26px 70px rgba(57, 48, 36, .16);
}

.auth-card:hover {
  transform: none;
}

.auth-card h1 {
  margin-bottom: 12px;
  font-size: 40px;
}

.auth-card .lead {
  margin-bottom: 28px;
  font-size: 16px;
}

.auth-card .form-grid {
  gap: 14px;
}

.auth-card .input {
  height: 50px;
  background: #fffaf1;
}

.auth-card .btn.primary,
.auth-card .btn.ghost {
  position: relative;
  overflow: hidden;
  height: 50px;
}

.auth-card .btn.primary {
  width: 100%;
  margin-top: 2px;
}

.auth-card .btn.primary:before,
.auth-card .btn.ghost:before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -45%;
  width: 38%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .34), transparent);
  transform: skewX(-18deg);
  transition: left .48s ease;
}

.auth-card .btn.primary:hover,
.auth-card .btn.ghost:hover {
  transform: translateY(-3px) scale(1.012);
}

.auth-card .btn.primary:hover {
  box-shadow: 0 18px 42px rgba(200, 59, 50, .34);
}

.auth-card .btn.ghost:hover {
  color: #fff;
  border-color: rgba(200, 59, 50, .2);
  background: var(--red);
  box-shadow: 0 16px 34px rgba(200, 59, 50, .2);
}

.auth-card .btn.primary:hover:before,
.auth-card .btn.ghost:hover:before {
  left: 110%;
}

.auth-card .btn.primary:active,
.auth-card .btn.ghost:active {
  transform: translateY(-1px) scale(.99);
}

.auth-links {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: #8a5a3b;
  font-weight: 800;
}

.auth-links a {
  transition: color .22s ease, transform .22s ease;
}

.auth-links a:hover {
  color: var(--red);
  transform: translateY(-1px);
}

.auth-captcha-box {
  /* 认证页滑动验证挂载点，TAC 内部 DOM 由第三方库生成 */
  display: flex;
  justify-content: center;
}

.auth-captcha-box:empty {
  display: none;
}

.auth-captcha-box #tianai-captcha-parent {
  max-width: 100%;
}

.auth-captcha-modal {
  /* 认证页滑动验证弹窗挂载点，TAC 内部 DOM 由第三方库生成 */
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(38, 48, 44, .32);
  backdrop-filter: blur(4px);
}

.auth-captcha-modal:empty {
  display: none;
}

.auth-captcha-modal #tianai-captcha-parent {
  max-width: min(318px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
}

/* 验证码输入和按钮的通用双列布局，窄屏在页面 CSS 中改为单列 */
.code-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
}

/* 接口请求期间的公共状态，只由 JS 切换 class，不在 JS 内写样式 */
.is-loading {
  pointer-events: none;
  opacity: .72;
}

/* 接口列表为空时的统一占位样式 */
.api-empty {
  padding: 22px;
  border: 1px dashed var(--line);
  border-radius: 14px;
  color: var(--muted);
  background: rgba(255, 253, 248, .7);
  text-align: center;
  font-weight: 800;
}

.footer {
  padding: 60px 0 36px;
  color: rgba(255, 255, 255, .78);
  background: #3f3a35;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 48px;
  padding-bottom: 38px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.footer h4 {
  margin: 0 0 18px;
  color: #fff;
  font-size: 17px;
}

.footer p,
.footer a {
  display: block;
  color: inherit;
  margin: 10px 0;
  line-height: 1.8;
}

.footer a {
  width: fit-content;
  transition: color .22s ease, transform .22s ease;
}

.footer a:hover {
  color: #fff;
  transform: translateX(4px);
}

.footer .brand {
  padding: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.footer .brand:hover {
  transform: translateX(0) translateY(-2px);
}

.copyright,
.footer-legal {
  padding-top: 28px;
  color: rgba(255, 255, 255, .48);
  font-size: 14px;
}

.footer-legal {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 14px;
  flex-wrap: wrap;
  text-align: left;
}

.footer-legal a {
  display: inline-flex;
  width: auto;
  margin: 0;
  color: inherit;
  font-size: inherit;
  line-height: inherit;
}

.footer-legal a:hover {
  color: #fff;
  transform: none;
}

.profile-layer-confirm {
  border-radius: 8px !important;
  overflow: hidden;
}

.profile-layer-confirm .layui-layer-title {
  height: 50px;
  line-height: 50px;
  border-bottom: 1px solid rgba(224, 211, 189, .72);
  background: #fffaf0;
  color: var(--ink);
  font-weight: 900;
}

.profile-layer-confirm .layui-layer-content {
  color: var(--muted);
  line-height: 1.8;
}

.profile-layer-confirm .layui-layer-btn a {
  border-radius: 999px;
}

.profile-layer-confirm .layui-layer-btn .layui-layer-btn0 {
  border-color: var(--red);
  background: var(--red);
}

.pending-layer-dialog {
  border-radius: 8px !important;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(38, 30, 21, .18) !important;
}

.pending-layer-dialog .layui-layer-title {
  height: 52px;
  line-height: 52px;
  border-bottom: 1px solid rgba(224, 211, 189, .72);
  background: #fffaf0;
  color: var(--ink);
  font-weight: 900;
  font-size: 16px;
}

.pending-layer-dialog .layui-layer-content {
  padding: 28px 28px 16px !important;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.8;
  text-align: center;
}

.pending-layer-dialog .layui-layer-btn {
  padding: 0 24px 24px;
  text-align: center;
}

.pending-layer-dialog .layui-layer-btn a {
  height: 38px;
  min-width: 108px;
  padding: 0 24px;
  border-radius: 999px;
  line-height: 38px;
  font-weight: 800;
}

.pending-layer-dialog .layui-layer-btn .layui-layer-btn0 {
  border-color: var(--red);
  background: var(--red);
}

.profile-popup-select {
  display: grid;
  gap: 10px;
  padding: 4px 0;
}

.profile-popup-select button {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf8;
  color: var(--ink);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}

.profile-popup-select button:hover {
  border-color: rgba(200, 59, 50, .38);
  color: var(--red);
  background: #fff4ef;
}

@media (max-width: 1120px) {
  .nav-links {
    display: none;
  }

  .inner-hero .container,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 720px) {
  .container {
    width: calc(100% - 28px);
  }

  .nav-actions a:not(.btn) {
    display: none;
  }

  .inner-hero .container {
    padding: 46px 0 54px;
  }

  h1 {
    font-size: 38px;
  }

  h2 {
    font-size: 32px;
  }

  .grid-3,
  .grid-4,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .auth-scenic-layout {
    padding: 36px 14px 48px;
    align-items: start;
  }

  .auth-card {
    padding: 28px 22px;
  }

  .auth-card h1 {
    font-size: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {

  *,
  *:before,
  *:after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }

}