/* ==========================================================================
   TAT STUDIO — 主题样式
   1. 配色令牌   2. 品牌令牌   3. 基础   4. 排版   5. 头部
   6. 首页区块   7. 页脚       8. 动效   9. 响应式
   ========================================================================== */

/* ---------- 1. 配色令牌（橙黄 Amber，Material 3 结构） ---------- */
:root {
  /* 浅色模式 */
  --mdui-color-primary-light: 245, 158, 11;
  --mdui-color-primary-container-light: 255, 232, 193;
  --mdui-color-on-primary-light: 44, 26, 0;
  --mdui-color-on-primary-container-light: 78, 46, 0;
  --mdui-color-inverse-primary-light: 191, 118, 0;

  --mdui-color-secondary-light: 122, 102, 72;
  --mdui-color-secondary-container-light: 243, 229, 205;
  --mdui-color-on-secondary-light: 255, 255, 255;
  --mdui-color-on-secondary-container-light: 58, 44, 20;

  --mdui-color-tertiary-light: 176, 84, 24;
  --mdui-color-tertiary-container-light: 255, 222, 199;
  --mdui-color-on-tertiary-light: 255, 255, 255;
  --mdui-color-on-tertiary-container-light: 74, 30, 0;

  --mdui-color-surface-light: 255, 251, 244;
  --mdui-color-surface-dim-light: 232, 223, 210;
  --mdui-color-surface-bright-light: 255, 251, 244;
  --mdui-color-surface-container-lowest-light: 255, 255, 255;
  --mdui-color-surface-container-low-light: 255, 255, 255;
  --mdui-color-surface-container-light: 250, 245, 236;
  --mdui-color-surface-container-high-light: 244, 236, 224;
  --mdui-color-surface-container-highest-light: 238, 229, 215;
  --mdui-color-surface-variant-light: 235, 223, 205;
  --mdui-color-on-surface-light: 33, 27, 17;
  --mdui-color-on-surface-variant-light: 104, 93, 76;
  --mdui-color-inverse-surface-light: 52, 45, 34;
  --mdui-color-inverse-on-surface-light: 250, 242, 230;
  --mdui-color-background-light: 255, 251, 244;
  --mdui-color-on-background-light: 33, 27, 17;

  --mdui-color-error-light: 186, 26, 26;
  --mdui-color-error-container-light: 255, 218, 214;
  --mdui-color-on-error-light: 255, 255, 255;
  --mdui-color-on-error-container-light: 65, 0, 3;
  --mdui-color-outline-light: 140, 127, 108;
  --mdui-color-outline-variant-light: 219, 206, 186;
  --mdui-color-surface-tint-color-light: 245, 158, 11;

  /* 深色模式 */
  --mdui-color-primary-dark: 255, 195, 84;
  --mdui-color-primary-container-dark: 96, 58, 0;
  --mdui-color-on-primary-dark: 58, 35, 0;
  --mdui-color-on-primary-container-dark: 255, 224, 175;
  --mdui-color-inverse-primary-dark: 155, 95, 0;

  --mdui-color-secondary-dark: 214, 196, 168;
  --mdui-color-secondary-container-dark: 72, 58, 36;
  --mdui-color-on-secondary-dark: 44, 34, 16;
  --mdui-color-on-secondary-container-dark: 240, 224, 198;

  --mdui-color-tertiary-dark: 255, 180, 120;
  --mdui-color-tertiary-container-dark: 112, 58, 10;
  --mdui-color-on-tertiary-dark: 72, 32, 0;
  --mdui-color-on-tertiary-container-dark: 255, 222, 195;

  --mdui-color-surface-dark: 22, 19, 14;
  --mdui-color-surface-dim-dark: 22, 19, 14;
  --mdui-color-surface-bright-dark: 66, 59, 48;
  --mdui-color-surface-container-lowest-dark: 16, 13, 9;
  --mdui-color-surface-container-low-dark: 28, 24, 18;
  --mdui-color-surface-container-dark: 33, 28, 21;
  --mdui-color-surface-container-high-dark: 43, 37, 29;
  --mdui-color-surface-container-highest-dark: 54, 47, 38;
  --mdui-color-surface-variant-dark: 78, 70, 58;
  --mdui-color-on-surface-dark: 241, 233, 221;
  --mdui-color-on-surface-variant-dark: 208, 196, 177;
  --mdui-color-inverse-surface-dark: 241, 233, 221;
  --mdui-color-inverse-on-surface-dark: 33, 27, 17;
  --mdui-color-background-dark: 22, 19, 14;
  --mdui-color-on-background-dark: 241, 233, 221;

  --mdui-color-error-dark: 255, 180, 171;
  --mdui-color-error-container-dark: 147, 0, 10;
  --mdui-color-on-error-dark: 105, 0, 5;
  --mdui-color-on-error-container-dark: 255, 218, 214;
  --mdui-color-outline-dark: 152, 142, 126;
  --mdui-color-outline-variant-dark: 74, 66, 54;
  --mdui-color-surface-tint-color-dark: 255, 195, 84;
}

/* ---------- 2. 品牌令牌 ---------- */
:root {
  --tat-amber: #f59e0b;
  --tat-amber-bright: #ffc247;
  --tat-amber-deep: #b45309;
  --tat-online: #35c46f;
  --tat-ok: 53, 196, 111;
  --tat-max: 1180px;
  --tat-header: 68px;
  --tat-ease: cubic-bezier(0.2, 0, 0, 1);
  --tat-grad: linear-gradient(120deg, #ffc247 0%, #f59e0b 46%, #e4680a 100%);
  --tat-grad-text: linear-gradient(112deg, #f08a00 0%, #d96900 52%, #ad4500 100%);
  --tat-grad-soft: linear-gradient(160deg, rgba(245, 158, 11, 0.16), rgba(228, 104, 10, 0.03));
  --tat-shadow: 0 22px 50px -30px rgba(96, 60, 10, 0.38);
  --tat-band: 249, 243, 232;
  --tat-font: "Inter Variable", "Inter", "Noto Sans SC Variable", "Noto Sans SC",
    -apple-system, BlinkMacSystemFont, "Segoe UI Variable Display", "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  --tat-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, "Courier New", monospace;
}

.mdui-theme-dark {
  --tat-shadow: 0 30px 70px -34px rgba(0, 0, 0, 0.58);
  --tat-band: 16, 13, 9;
  --tat-grad-text: linear-gradient(112deg, #ffd180 0%, #ffb020 44%, #f08000 100%);
}

/* ---------- 3. 基础 ---------- */
* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--tat-header) + 20px);
}

body {
  margin: 0;
  font-family: var(--tat-font);
  background-color: rgb(var(--mdui-color-surface));
  color: rgb(var(--mdui-color-on-surface));
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: radial-gradient(
    60% 50% at 78% -6%,
    rgba(var(--mdui-color-primary), 0.16),
    transparent 70%
  );
}

::selection {
  background: rgba(var(--mdui-color-primary), 0.32);
}

img, svg { display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }

h1, h2, h3, p, .tat-lead { text-wrap: pretty; }

:focus-visible {
  outline: 2px solid rgb(var(--mdui-color-primary));
  outline-offset: 3px;
  border-radius: 6px;
}

.ico {
  width: 20px;
  height: 20px;
  fill: currentColor;
  flex: none;
}

/* ---------- 4. 排版 / 布局工具 ---------- */
.tat-container {
  width: 100%;
  max-width: var(--tat-max);
  margin-inline: auto;
  padding-inline: 24px;
}

.tat-section { padding: 88px 0; }
.tat-section--tight { padding: 56px 0; }
.tat-section--flush { padding-top: 0; }

.tat-band {
  background: rgb(var(--tat-band));
  border-block: 1px solid rgba(var(--mdui-color-outline-variant), 0.7);
}

.tat-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgb(var(--mdui-color-primary));
}
.tat-eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--tat-grad);
  box-shadow: 0 0 0 4px rgba(var(--mdui-color-primary), 0.16);
}

.tat-h1 {
  font-size: clamp(1.95rem, 4.6vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  font-weight: 800;
  margin: 20px 0 22px;
}
.tat-h2 {
  font-size: clamp(1.75rem, 3vw, 2.45rem);
  line-height: 1.2;
  letter-spacing: -0.022em;
  font-weight: 750;
  margin: 14px 0 0;
}
.tat-h3 {
  font-size: 1.1rem;
  line-height: 1.4;
  font-weight: 650;
  letter-spacing: -0.01em;
  margin: 0;
}

.tat-grad-text {
  background: var(--tat-grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tat-type { white-space: nowrap; }
.tat-caret {
  display: inline-block;
  width: 3px;
  height: 0.84em;
  margin-left: 0.08em;
  border-radius: 2px;
  background: var(--tat-grad);
  vertical-align: -0.06em;
  animation: tat-blink 1.05s steps(2, start) infinite;
}
@keyframes tat-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.tat-lead {
  font-size: clamp(1rem, 1.1vw, 1.06rem);
  line-height: 1.85;
  color: rgba(var(--mdui-color-on-surface), 0.7);
  max-width: 34em;
}

.tat-section-head { max-width: 44em; margin-bottom: 44px; }
.tat-section-head p {
  margin-top: 14px;
  color: rgba(var(--mdui-color-on-surface), 0.66);
  line-height: 1.8;
  font-size: 1rem;
}

.tat-btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- 5. 头部 ---------- */
.tat-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--tat-header);
  z-index: 120;
  background: rgba(var(--mdui-color-surface), 0.74);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid rgba(var(--mdui-color-outline-variant), 0.5);
  transition: transform 0.4s var(--tat-ease), background 0.3s var(--tat-ease);
}
.tat-header.is-hidden { transform: translateY(-100%); }
.tat-header.is-scrolled { background: rgba(var(--mdui-color-surface), 0.9); }

.tat-header-inner {
  max-width: var(--tat-max);
  height: 100%;
  margin-inline: auto;
  padding-inline: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.tat-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  letter-spacing: -0.01em;
  flex: none;
}
.tat-brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: none;
  display: grid;
  place-items: center;
  overflow: hidden;
  box-shadow: 0 6px 16px -6px rgba(245, 158, 11, 0.8);
}
.tat-brand-mark img { width: 100%; height: 100%; display: block; }
.tat-brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.tat-brand-text b { font-size: 0.95rem; letter-spacing: 0.02em; }
.tat-brand-text span {
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  color: rgba(var(--mdui-color-on-surface), 0.45);
  font-weight: 600;
  white-space: nowrap;
}

.tat-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}
.tat-nav a {
  padding: 9px 15px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 550;
  color: rgba(var(--mdui-color-on-surface), 0.62);
  transition: color 0.2s var(--tat-ease), background 0.2s var(--tat-ease);
}
.tat-nav a:hover { color: rgb(var(--mdui-color-on-surface)); background: rgba(var(--mdui-color-on-surface), 0.06); }
.tat-nav a[aria-current="page"] {
  color: rgb(var(--mdui-color-primary));
  background: rgba(var(--mdui-color-primary), 0.13);
}

.tat-header-actions { display: flex; align-items: center; gap: 6px; flex: none; }

.tat-icon-btn {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: rgba(var(--mdui-color-on-surface), 0.66);
  cursor: pointer;
  transition: background 0.2s var(--tat-ease), color 0.2s var(--tat-ease);
}
.tat-icon-btn:hover {
  background: rgba(var(--mdui-color-on-surface), 0.08);
  color: rgb(var(--mdui-color-on-surface));
}

.tat-menu-btn { display: none; }

.tat-user {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 40px;
  padding: 0 15px 0 6px;
  border-radius: 999px;
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
  background: rgba(var(--mdui-color-on-surface), 0.04);
  font-size: 0.86rem;
  font-weight: 600;
  transition: border-color 0.2s var(--tat-ease), background 0.2s var(--tat-ease);
}
.tat-user:hover {
  border-color: rgba(var(--mdui-color-primary), 0.5);
  background: rgba(var(--mdui-color-primary), 0.1);
}
.tat-user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--tat-grad);
  color: #2c1a00;
  font-weight: 800;
  font-size: 0.78rem;
}

.tat-mobile-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 119;
  padding: 10px 16px 20px;
  background: rgb(var(--mdui-color-surface));
  border-bottom: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
  box-shadow: 0 24px 40px -28px rgba(0, 0, 0, 0.5);
  display: none;
  flex-direction: column;
  gap: 2px;
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--tat-ease), transform 0.25s var(--tat-ease);
}
.tat-mobile-nav.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.tat-mobile-nav a {
  padding: 13px 14px;
  border-radius: 12px;
  font-size: 0.98rem;
  font-weight: 550;
  color: rgba(var(--mdui-color-on-surface), 0.78);
}
.tat-mobile-nav a[aria-current="page"] {
  color: rgb(var(--mdui-color-primary));
  background: rgba(var(--mdui-color-primary), 0.12);
}

/* ---------- 6. 首页 ---------- */
.tat-hero {
  position: relative;
  padding: calc(var(--tat-header) + 76px) 0 84px;
  overflow: hidden;
}
.tat-hero-grid {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 60px;
  align-items: center;
}

.tat-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-top: 30px;
  font-size: 0.84rem;
  color: rgba(var(--mdui-color-on-surface), 0.52);
}
.tat-meta-row i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(var(--mdui-color-on-surface), 0.28);
}

/* 服务器状态卡 */
.tat-srv-wrap { position: relative; }

.tat-srv {
  position: relative;
  background: rgb(var(--mdui-color-surface-container-low));
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
  border-radius: 26px;
  padding: 22px 22px 20px;
  box-shadow: var(--tat-shadow), 0 2px 0 0 rgba(255, 255, 255, 0.05) inset;
}
.tat-srv-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px dashed rgba(var(--mdui-color-outline-variant), 0.85);
}
.tat-srv-name { display: flex; flex-direction: column; gap: 4px; }
.tat-srv-name b { font-size: 0.95rem; letter-spacing: -0.01em; }
.tat-srv-name span {
  font-family: var(--tat-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: rgba(var(--mdui-color-on-surface), 0.46);
}

.tat-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px 5px 9px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 650;
  background: rgba(53, 196, 111, 0.14);
  color: #2ea45c;
  white-space: nowrap;
}
.mdui-theme-dark .tat-pill { color: #6ee39b; }
.tat-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  position: relative;
}
.tat-dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1px solid currentColor;
  animation: tat-pulse 2.2s var(--tat-ease) infinite;
}
@keyframes tat-pulse {
  0% { transform: scale(0.7); opacity: 0.9; }
  70% { transform: scale(1.7); opacity: 0; }
  100% { opacity: 0; }
}

.tat-srv-rows {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 18px 0 16px;
}
.tat-srv-row { display: flex; flex-direction: column; gap: 5px; }
.tat-srv-row em {
  font-style: normal;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(var(--mdui-color-on-surface), 0.45);
  font-weight: 600;
}
.tat-srv-row b {
  font-family: var(--tat-mono);
  font-size: 1.44rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.tat-srv-row b small {
  font-size: 0.72rem;
  font-weight: 500;
  color: rgba(var(--mdui-color-on-surface), 0.42);
  margin-left: 3px;
}

.tat-bar {
  height: 7px;
  border-radius: 999px;
  background: rgba(var(--mdui-color-on-surface), 0.1);
  overflow: hidden;
}
.tat-bar > i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--tat-grad);
  transition: width 1.4s var(--tat-ease) 0.2s;
}
.is-in .tat-bar > i { width: var(--w, 42%); }

.tat-tps {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 34px;
  margin-top: 14px;
}
.tat-tps > i {
  flex: 1;
  border-radius: 2px 2px 1px 1px;
  background: rgba(var(--mdui-color-primary), 0.35);
  height: calc(var(--h) * 1px);
  transform-origin: bottom;
  transform: scaleY(0);
  transition: transform 0.6s var(--tat-ease);
}
.is-in .tat-tps > i { transform: scaleY(1); }
.is-in .tat-tps > i:nth-child(n + 9) { background: rgba(var(--mdui-color-primary), 0.85); }

.tat-srv-actions {
  display: flex;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid rgba(var(--mdui-color-outline-variant), 0.5);
}

/* 浮动通行证小卡 */
.tat-float {
  position: absolute;
  left: -40px;
  bottom: -52px;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 16px 12px 12px;
  border-radius: 18px;
  background: rgba(var(--mdui-color-surface-container-highest), 0.92);
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.85);
  backdrop-filter: blur(14px);
  box-shadow: var(--tat-shadow);
  transform: rotate(-2.5deg);
  animation: tat-floaty 7s ease-in-out infinite;
}
.tat-float-avatar {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: var(--tat-grad);
  display: grid;
  place-items: center;
  color: #2c1a00;
  font-weight: 800;
  font-size: 0.85rem;
}
.tat-float b { display: block; font-size: 0.82rem; letter-spacing: -0.01em; }
.tat-float span {
  font-size: 0.72rem;
  color: rgba(var(--mdui-color-on-surface), 0.5);
  display: flex;
  align-items: center;
  gap: 5px;
}
@keyframes tat-floaty {
  0%, 100% { transform: rotate(-2.5deg) translateY(0); }
  50% { transform: rotate(-1.6deg) translateY(-7px); }
}

/* 数据条 */
.tat-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border-radius: 22px;
  overflow: hidden;
  background: rgba(var(--mdui-color-outline-variant), 0.8);
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
}
.tat-stat {
  background: rgb(var(--mdui-color-surface-container-low));
  padding: 26px 24px;
}
.tat-stat b {
  display: block;
  font-family: var(--tat-mono);
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.tat-stat b em { font-style: normal; font-size: 0.62em; color: rgba(var(--mdui-color-on-surface), 0.5); margin-left: 2px; }
.tat-stat b[data-stale] { color: rgba(var(--mdui-color-on-surface), 0.45); cursor: help; }
.tat-stat span {
  display: block;
  margin-top: 8px;
  font-size: 0.82rem;
  color: rgba(var(--mdui-color-on-surface), 0.55);
}

/* 能力卡 */
.tat-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.tat-card {
  position: relative;
  padding: 28px;
  border-radius: 24px;
  background: rgb(var(--mdui-color-surface-container-low));
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
  transition: transform 0.35s var(--tat-ease), box-shadow 0.35s var(--tat-ease),
    border-color 0.35s var(--tat-ease);
}
.tat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--mdui-color-primary), 0.42);
  box-shadow: var(--tat-shadow);
}
.tat-card-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(var(--mdui-color-primary), 0.14);
  color: rgb(var(--mdui-color-primary));
  margin-bottom: 20px;
}
.tat-card-icon .ico { width: 23px; height: 23px; }
.tat-card p {
  margin-top: 10px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(var(--mdui-color-on-surface), 0.62);
}
.tat-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: 0.85rem;
  font-weight: 650;
  color: rgb(var(--mdui-color-primary));
}
.tat-card-link .ico { width: 16px; height: 16px; transition: transform 0.25s var(--tat-ease); }
.tat-card:hover .tat-card-link .ico { transform: translateX(4px); }

/* 项目展示 */
.tat-projects {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  grid-template-rows: 1fr 1fr;
  gap: 20px;
}
.tat-project-main {
  grid-row: span 2;
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
  background: rgb(var(--mdui-color-surface-container-low));
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 380px;
  isolation: isolate;
}
.tat-project-main::before {
  content: "";
  position: absolute;
  top: -26px;
  right: -26px;
  width: 300px;
  height: 300px;
  z-index: -1;
  background-image: url("../mc-blocks.svg");
  background-size: 100% 100%;
  background-repeat: no-repeat;
  opacity: 0.72;
  mask-image: radial-gradient(72% 72% at 68% 34%, #000 30%, transparent 76%);
  -webkit-mask-image: radial-gradient(72% 72% at 68% 34%, #000 30%, transparent 76%);
}
.tat-project-main::after {
  content: "";
  position: absolute;
  inset: auto -20% -60% -20%;
  height: 320px;
  z-index: -1;
  background: radial-gradient(50% 60% at 50% 100%, rgba(245, 158, 11, 0.22), transparent 72%);
}
.tat-tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.tat-tag {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 650;
  line-height: 1;
  letter-spacing: 0.02em;
  background: rgba(var(--mdui-color-on-surface), 0.07);
  color: rgba(var(--mdui-color-on-surface), 0.7);
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
}
.tat-tag--amber {
  background: rgba(var(--mdui-color-primary), 0.16);
  border-color: rgba(var(--mdui-color-primary), 0.32);
  color: rgb(var(--mdui-color-primary));
}
.tat-project-main h3 {
  font-size: clamp(1.5rem, 2.4vw, 1.95rem);
  letter-spacing: -0.025em;
  margin: 0 0 10px;
  font-weight: 750;
}
.tat-project-main p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(var(--mdui-color-on-surface), 0.65);
  max-width: 32em;
}

.tat-project-sm {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
  background: rgb(var(--mdui-color-surface-container-low));
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.3s var(--tat-ease), transform 0.3s var(--tat-ease);
}
.tat-project-sm:hover { border-color: rgba(var(--mdui-color-primary), 0.4); transform: translateY(-3px); }
.tat-project-sm .ico { width: 22px; height: 22px; color: rgb(var(--mdui-color-primary)); }
.tat-project-sm b { font-size: 1.02rem; letter-spacing: -0.01em; }
.tat-project-sm span { font-size: 0.85rem; line-height: 1.7; color: rgba(var(--mdui-color-on-surface), 0.6); }

/* 服务器状态 & 可用性 */
.tat-projects + .tat-status { margin-top: 22px; }
.tat-status {
  padding: 32px 34px 24px;
  border-radius: 28px;
  background: rgb(var(--mdui-color-surface-container-low));
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
  box-shadow: var(--tat-shadow);
}
.tat-status-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(var(--mdui-color-outline-variant), 0.6);
}
.tat-status-head .tat-h2 { font-size: clamp(1.35rem, 2.1vw, 1.8rem); }

.tat-status-rows { display: flex; flex-direction: column; }
.tat-status-row {
  display: grid;
  grid-template-columns: 186px minmax(0, 1fr) 74px;
  align-items: center;
  gap: 22px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(var(--mdui-color-outline-variant), 0.4);
}
.tat-status-row:last-child { border-bottom: none; }
.tat-status-name { font-size: 0.94rem; font-weight: 600; letter-spacing: -0.01em; }
.tat-status-name span {
  display: block;
  margin-top: 4px;
  font-family: var(--tat-mono);
  font-size: 0.71rem;
  font-weight: 400;
  color: rgba(var(--mdui-color-on-surface), 0.44);
}
.tat-status-pct {
  font-family: var(--tat-mono);
  font-size: 0.84rem;
  text-align: right;
  color: rgba(var(--mdui-color-on-surface), 0.72);
}

.tat-uptime {
  display: flex;
  align-items: stretch;
  gap: 2px;
  height: 26px;
}
.tat-uptime > i {
  flex: 1;
  min-width: 2px;
  border-radius: 2px;
  background: rgba(var(--tat-ok), 0.4);
  transition: transform 0.2s var(--tat-ease), filter 0.2s var(--tat-ease);
}
.tat-uptime > i.is-warn { background: #f0a32b; }
.tat-uptime > i.is-down { background: #e05b4a; }
.tat-uptime > i.is-maint { background: rgba(var(--mdui-color-on-surface), 0.22); }
.tat-uptime > i:hover { transform: scaleY(1.16); filter: brightness(1.15); }

.tat-status-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(var(--mdui-color-outline-variant), 0.6);
  font-size: 0.78rem;
  color: rgba(var(--mdui-color-on-surface), 0.45);
}
.tat-legend { display: flex; align-items: center; gap: 16px; }
.tat-legend span { display: inline-flex; align-items: center; gap: 6px; }
.tat-legend i { width: 9px; height: 9px; border-radius: 2px; display: block; }
.tat-legend i.is-ok { background: rgba(var(--tat-ok), 0.4); }
.tat-legend i.is-warn { background: #f0a32b; }
.tat-legend i.is-maint { background: rgba(var(--mdui-color-on-surface), 0.22); }

/* 通行证 CTA */
.tat-cta {
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  padding: 56px;
  background: var(--tat-grad);
  color: #2b1800;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 40px;
  align-items: center;
  isolation: isolate;
}
.tat-cta::before {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  border: 42px solid rgba(255, 255, 255, 0.16);
  z-index: -1;
}
.tat-cta::after {
  content: "";
  position: absolute;
  left: 30%;
  bottom: -180px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  filter: blur(2px);
  z-index: -1;
}
.tat-cta .tat-eyebrow { color: #6b3a00; }
.tat-cta .tat-eyebrow::before { background: #4a2600; box-shadow: 0 0 0 4px rgba(74, 38, 0, 0.14); }
.tat-cta h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.2;
  letter-spacing: -0.028em;
  margin: 14px 0 14px;
  font-weight: 800;
}
.tat-cta p {
  font-size: 0.98rem;
  line-height: 1.8;
  color: rgba(43, 24, 0, 0.78);
  max-width: 30em;
}
.tat-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 50px;
  margin-top: 30px;
  padding: 0 26px;
  border-radius: 999px;
  background: #2b1800;
  color: #ffd79a;
  font-size: 0.94rem;
  font-weight: 700;
  transition: transform 0.25s var(--tat-ease), box-shadow 0.25s var(--tat-ease);
}
.tat-cta-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -14px rgba(0, 0, 0, 0.6); }
.tat-cta-side { display: flex; flex-direction: column; gap: 14px; justify-self: end; }
.tat-cta-point {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(43, 24, 0, 0.85);
}
.tat-cta-point .ico { width: 18px; height: 18px; }

/* 动态列表 */
.tat-news { display: flex; flex-direction: column; border-top: 1px solid rgba(var(--mdui-color-outline-variant), 0.8); }
.tat-news-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 24px 8px;
  border-bottom: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
  transition: background 0.25s var(--tat-ease), padding-left 0.25s var(--tat-ease);
}
.tat-news-item:hover { background: rgba(var(--mdui-color-on-surface), 0.03); padding-left: 16px; }
.tat-news-date {
  font-family: var(--tat-mono);
  font-size: 0.8rem;
  color: rgba(var(--mdui-color-on-surface), 0.46);
  letter-spacing: 0.02em;
}
.tat-news-title { font-size: 1.02rem; font-weight: 600; letter-spacing: -0.012em; }
.tat-news-item .ico { width: 18px; height: 18px; color: rgba(var(--mdui-color-on-surface), 0.34); transition: transform 0.25s var(--tat-ease), color 0.25s; }
.tat-news-item:hover .ico { transform: translateX(4px); color: rgb(var(--mdui-color-primary)); }

/* ---------- 6b. 动态列表 / 详情页 ---------- */
.tat-section.tat-news-head { padding: calc(var(--tat-header) + 44px) 0 0; }

.tat-news-feed { border-top: 1px solid rgba(var(--mdui-color-outline-variant), 0.8); }
.tat-news-card {
  display: block;
  padding: 28px 8px;
  border-bottom: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
  transition: background 0.25s var(--tat-ease), padding-left 0.25s var(--tat-ease);
}
.tat-news-card:hover { background: rgba(var(--mdui-color-on-surface), 0.03); padding-left: 16px; }
/* 有封面图的卡片改成两栏 */
.tat-news-card.has-cover { display: grid; grid-template-columns: 232px 1fr; gap: 24px; align-items: start; }
.tat-news-cover {
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border-radius: 14px;
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
  background: rgba(var(--mdui-color-on-surface), 0.05);
}
.tat-news-cover img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s var(--tat-ease); }
.tat-news-card:hover .tat-news-cover img { transform: scale(1.04); }
.tat-news-text { display: block; min-width: 0; }

.tat-news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.tat-news-card-title {
  display: block;
  margin: 0;
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: -0.014em;
  line-height: 1.45;
}
.tat-news-excerpt {
  display: block;
  margin: 10px 0 0;
  max-width: 720px;
  font-size: 0.94rem;
  line-height: 1.8;
  color: rgba(var(--mdui-color-on-surface), 0.58);
}
.tat-news-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 0.86rem;
  font-weight: 600;
  color: rgb(var(--mdui-color-primary));
}
.tat-news-more .ico { width: 16px; height: 16px; transition: transform 0.25s var(--tat-ease); }
.tat-news-card:hover .tat-news-more .ico { transform: translateX(4px); }

.tat-section.tat-news-article { padding: 104px 0 88px; }
.tat-news-back {
  display: inline-flex;
  align-items: center;
  margin-bottom: 30px;
  font-size: 0.86rem;
  color: rgba(var(--mdui-color-on-surface), 0.5);
  transition: color 0.2s var(--tat-ease);
}
.tat-news-back::before { content: "←"; margin-right: 8px; }
.tat-news-back:hover { color: rgb(var(--mdui-color-primary)); }
.tat-news-article .tat-h1 { max-width: 780px; }
.tat-news-article .tat-news-body { margin-top: 26px; max-width: 720px; }

/* Markdown 正文排版（后台预览复用同一套） */
.tat-news-body { font-size: 1rem; line-height: 1.95; color: rgba(var(--mdui-color-on-surface), 0.8); }
.tat-news-body p { margin: 0 0 18px; }
.tat-news-body h2,
.tat-news-body h3,
.tat-news-body h4 {
  margin: 32px 0 14px;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.4;
  color: rgb(var(--mdui-color-on-surface));
}
.tat-news-body h2 { font-size: 1.34rem; }
.tat-news-body h3 { font-size: 1.14rem; }
.tat-news-body h4 { font-size: 1rem; }
.tat-news-body ul,
.tat-news-body ol { margin: 0 0 18px; padding-left: 24px; }
.tat-news-body li { margin-bottom: 8px; }
.tat-news-body a { color: rgb(var(--mdui-color-primary)); text-decoration: underline; text-underline-offset: 3px; }
.tat-news-body blockquote {
  margin: 0 0 18px;
  padding: 12px 18px;
  border-left: 3px solid rgba(var(--mdui-color-primary), 0.55);
  border-radius: 0 10px 10px 0;
  background: rgba(var(--mdui-color-on-surface), 0.04);
  color: rgba(var(--mdui-color-on-surface), 0.7);
}
.tat-news-body blockquote p:last-child { margin-bottom: 0; }
.tat-news-body code {
  font-family: var(--tat-mono);
  font-size: 0.88em;
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(var(--mdui-color-on-surface), 0.07);
}
.tat-news-body pre {
  margin: 0 0 18px;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(var(--mdui-color-on-surface), 0.05);
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.6);
  overflow-x: auto;
}
.tat-news-body pre code { padding: 0; background: none; font-size: 0.84rem; line-height: 1.7; }
.tat-news-body img {
  display: block;
  width: 100%;
  height: auto;
  margin: 24px 0;
  border-radius: 16px;
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.7);
}
.tat-news-body hr {
  margin: 30px 0;
  border: none;
  border-top: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
}
.tat-news-body del { color: rgba(var(--mdui-color-on-surface), 0.45); }
.tat-news-body > *:first-child { margin-top: 0; }
.tat-news-body > *:last-child { margin-bottom: 0; }

/* ---------- 7. 页脚 ---------- */
.tat-footer {
  margin-top: 40px;
  border-top: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
  background: rgb(var(--mdui-color-surface-container-lowest));
  padding: 60px 0 30px;
}
.tat-footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 0.9fr;
  gap: 40px;
}
.tat-footer-brand p {
  margin-top: 16px;
  font-size: 0.88rem;
  line-height: 1.8;
  color: rgba(var(--mdui-color-on-surface), 0.55);
  max-width: 24em;
}
.tat-footer-col b {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(var(--mdui-color-on-surface), 0.42);
  font-weight: 700;
  margin-bottom: 14px;
}
.tat-footer-col a {
  display: block;
  padding: 6px 0;
  font-size: 0.9rem;
  color: rgba(var(--mdui-color-on-surface), 0.66);
  transition: color 0.2s var(--tat-ease);
}
.tat-footer-col a:hover { color: rgb(var(--mdui-color-primary)); }
.tat-footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  margin-top: 48px;
  padding-top: 22px;
  border-top: 1px solid rgba(var(--mdui-color-outline-variant), 0.45);
  font-size: 0.8rem;
  color: rgba(var(--mdui-color-on-surface), 0.42);
}
.tat-footer-status { display: inline-flex; align-items: center; gap: 8px; }
/* 圆点跟着状态走：正常才绿，别一律写死成在线色 */
.tat-footer-status[data-state="up"] { color: #35a468; }
.mdui-theme-dark .tat-footer-status[data-state="up"] { color: #6ee39b; }
.tat-footer-status .tat-dot { color: inherit; }

/* ---------- 8. 动效 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--tat-ease), transform 0.7s var(--tat-ease);
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 9. 响应式 ---------- */
@media (max-width: 1080px) {
  .tat-hero-grid { gap: 40px; }
  .tat-float { left: -12px; bottom: -28px; }
}

@media (max-width: 980px) {
  .tat-hero { padding-top: calc(var(--tat-header) + 52px); }
  .tat-hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .tat-lead { max-width: none; }
  .tat-grid-3 { grid-template-columns: 1fr 1fr; }
  .tat-stats { grid-template-columns: 1fr 1fr; }
  .tat-projects { grid-template-columns: 1fr; grid-template-rows: auto; }
  .tat-project-main { grid-row: auto; min-height: 320px; }
  .tat-cta { grid-template-columns: 1fr; padding: 40px; }
  .tat-cta-side { justify-self: start; }
  .tat-footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .tat-section { padding: 68px 0; }
}

@media (max-width: 860px) {
  .tat-nav { display: none; }
  .tat-menu-btn { display: grid; }
  .tat-mobile-nav { display: flex; }
}

@media (max-width: 640px) {
  .tat-container { padding-inline: 18px; }
  .tat-header-inner { padding-inline: 18px; gap: 12px; }
  .tat-h1 { font-size: clamp(2rem, 9vw, 2.6rem); }
  .tat-grid-3 { grid-template-columns: 1fr; }
  .tat-float { display: none; }
  .tat-srv { padding: 18px; border-radius: 22px; }
  .tat-srv-rows { gap: 12px; }
  .tat-cta { padding: 30px; border-radius: 24px; }
  .tat-news-item { grid-template-columns: 1fr auto; gap: 8px 16px; }
  .tat-news-card.has-cover { grid-template-columns: 1fr; gap: 16px; }
  .tat-news-cover { aspect-ratio: 16 / 9; }
  .tat-news-card { padding: 22px 4px; }
  .tat-news-date { grid-column: 1 / -1; font-size: 0.74rem; }
  .tat-status { padding: 22px 18px 16px; border-radius: 22px; }
  .tat-status-head { padding-bottom: 16px; }
  .tat-status-row { grid-template-columns: 1fr auto; gap: 4px 14px; padding: 14px 0; }
  .tat-status-name span { margin-top: 2px; }
  .tat-uptime { grid-column: 1 / -1; grid-row: 2; height: 20px; margin-top: 8px; gap: 1px; }
  .tat-uptime > i { min-width: 0; }
  .tat-status-foot { margin-top: 14px; padding-top: 14px; }
  .tat-footer-grid { grid-template-columns: 1fr; }
  .tat-footer-bottom { flex-direction: column; align-items: flex-start; }
  .tat-section { padding: 56px 0; }
  .tat-brand-text span { display: none; }
}

/* ==========================================================================
   认证页（通行证登录 / 注册）
   ========================================================================== */
.tat-auth-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  /* 内容宽 1120 + 左右各 24 padding，与下方内容区左边缘对齐 */
  max-width: 1168px;
  margin-inline: auto;
  padding: 18px 24px;
}
.tat-auth-header-right { display: flex; align-items: center; gap: 8px; }

.tat-auth-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 600;
  color: rgba(var(--mdui-color-on-surface), 0.66);
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
  transition: color 0.2s var(--tat-ease), border-color 0.2s var(--tat-ease);
}
.tat-auth-back:hover { color: rgb(var(--mdui-color-on-surface)); border-color: rgba(var(--mdui-color-primary), 0.5); }
.tat-auth-back .ico { width: 16px; height: 16px; }

.tat-auth { padding: 8px 24px 72px; }
.tat-auth-col { max-width: 440px; }
.tat-auth-grid {
  max-width: 1120px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 430px;
  gap: 72px;
  align-items: center;
  min-height: calc(100vh - 190px);
}

.tat-auth-title {
  font-size: clamp(1.85rem, 2.8vw, 2.45rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin: 14px 0 12px;
}
.tat-auth-sub {
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(var(--mdui-color-on-surface), 0.62);
  max-width: 30em;
}

.tat-auth-body {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.tat-auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.tat-auth-form[hidden] { display: none; }
.tat-auth-form mdui-text-field { width: 100%; }
.tat-auth-form mdui-segmented-button-group { margin-bottom: 4px; }

.tat-auth-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: -2px;
}
.tat-auth-link { font-size: 0.85rem; font-weight: 600; color: rgb(var(--mdui-color-primary)); }
.tat-auth-link:hover { text-decoration: underline; }

.tat-auth-submit { margin-top: 6px; }
.tat-auth-form mdui-button { width: 100%; }

.tat-auth-switch {
  margin-top: 24px;
  font-size: 0.88rem;
  color: rgba(var(--mdui-color-on-surface), 0.6);
}
.tat-auth-switch a { color: rgb(var(--mdui-color-primary)); font-weight: 600; }
.tat-auth-switch a:hover { text-decoration: underline; }

.tat-auth-legal {
  margin-top: 14px;
  font-size: 0.75rem;
  line-height: 1.7;
  color: rgba(var(--mdui-color-on-surface), 0.4);
}

.tat-eye {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: rgba(var(--mdui-color-on-surface), 0.45);
  cursor: pointer;
}
.tat-eye:hover { color: rgb(var(--mdui-color-on-surface)); }
.tat-eye .ico { width: 18px; height: 18px; }

/* 右侧通行证卡 */
.tat-auth-aside {
  position: relative;
  overflow: hidden;
  padding: 34px;
  border-radius: 32px;
  background: var(--tat-grad);
  color: #2b1800;
  isolation: isolate;
}
.tat-auth-aside::before {
  content: "";
  position: absolute;
  top: -90px;
  right: -110px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 34px solid rgba(255, 255, 255, 0.16);
  z-index: -1;
}

.tat-passport {
  padding: 22px 24px 20px;
  border-radius: 20px;
  background: rgba(32, 18, 0, 0.92);
  color: #ffd79a;
  box-shadow: 0 26px 46px -26px rgba(0, 0, 0, 0.6);
}
.tat-passport-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}
.tat-passport-head .tat-brand-mark { width: 26px; height: 26px; border-radius: 9px; font-size: 0.78rem; }
.tat-passport-tag {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(255, 215, 154, 0.14);
  color: #ffd79a;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  font-weight: 600;
}
.tat-passport-label {
  margin-top: 26px;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: rgba(255, 215, 154, 0.55);
}
.tat-passport-id {
  margin-top: 7px;
  font-family: var(--tat-mono);
  font-size: 1.32rem;
  letter-spacing: 0.06em;
  color: #ffd79a;
}
.tat-passport-meta {
  display: flex;
  gap: 18px;
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 215, 154, 0.16);
  font-size: 0.74rem;
  color: rgba(255, 215, 154, 0.62);
}

.tat-auth-points {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}
.tat-auth-points li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 0.86rem;
  line-height: 1.6;
  font-weight: 600;
  color: rgba(43, 24, 0, 0.86);
}
.tat-auth-points .ico { width: 17px; height: 17px; margin-top: 2px; flex: none; }

@media (max-width: 980px) {
  .tat-auth-grid { grid-template-columns: 1fr; gap: 40px; min-height: 0; }
  .tat-auth-grid .tat-auth-aside { display: none; }
}
@media (max-width: 640px) {
  .tat-auth-header { padding-inline: 18px; }
  .tat-auth { padding-inline: 18px; }
  .tat-auth-title { font-size: 1.75rem; }
}
/* ---------- 账户中心 ---------- */
.tat-account { padding: calc(var(--tat-header) + 52px) 0 80px; }
.tat-account-grid {
  display: grid;
  grid-template-columns: 356px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}
.tat-account-side { position: sticky; top: calc(var(--tat-header) + 24px); }

.tat-account-hello { margin-top: 24px; }
.tat-account-hello b {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #2b1800;
}
.tat-account-hello span { display: block; margin-top: 6px; font-size: 0.84rem; color: rgba(43, 24, 0, 0.72); }

.tat-account-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 26px; }
.tat-account-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 20px;
  border: none;
  border-radius: 999px;
  background: #2b1800;
  color: #ffd79a;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.25s var(--tat-ease), box-shadow 0.25s var(--tat-ease);
}
.tat-account-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 26px -16px rgba(0, 0, 0, 0.6); }
.tat-account-btn .ico { width: 17px; height: 17px; }
.tat-account-btn.is-ghost { background: rgba(43, 24, 0, 0.12); color: #2b1800; }
.tat-account-btn[hidden] { display: none; }

.tat-panel {
  margin-bottom: 20px;
  border-radius: 22px;
  background: rgb(var(--mdui-color-surface-container-low));
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
  overflow: hidden;
}
.tat-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(var(--mdui-color-outline-variant), 0.7);
}
.tat-panel-head h2 { margin: 0; font-size: 1rem; font-weight: 700; letter-spacing: -0.01em; }
.tat-panel-head p { margin: 4px 0 0; font-size: 0.8rem; color: rgba(var(--mdui-color-on-surface), 0.5); }
.tat-panel-body { padding: 0 22px; }

.tat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(var(--mdui-color-outline-variant), 0.4);
}
.tat-row:last-child { border-bottom: none; }
.tat-row-label { font-size: 0.86rem; color: rgba(var(--mdui-color-on-surface), 0.52); }
.tat-row-value { font-size: 0.9rem; font-weight: 600; text-align: right; }
.tat-row-value.is-mono { font-family: var(--tat-mono); letter-spacing: 0.02em; }

.tat-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(var(--mdui-color-outline-variant), 0.4);
  transition: opacity 0.3s var(--tat-ease);
}
.tat-item:last-child { border-bottom: none; }
.tat-item.is-gone { opacity: 0; }
.tat-item-icon {
  width: 38px;
  height: 38px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(var(--mdui-color-primary), 0.14);
  color: rgb(var(--mdui-color-primary));
}
.tat-item-icon .ico { width: 19px; height: 19px; }
.tat-item-main { min-width: 0; flex: 1; }
.tat-item-main b { display: block; font-size: 0.92rem; font-weight: 650; }
.tat-item-main span { display: block; margin-top: 3px; font-size: 0.78rem; color: rgba(var(--mdui-color-on-surface), 0.46); }

.tat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 650;
  background: rgba(var(--tat-ok), 0.16);
  color: #2ea45c;
}
.mdui-theme-dark .tat-chip { color: #6ee39b; }

.tat-link-btn {
  border: none;
  background: none;
  padding: 6px 4px;
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 650;
  color: rgb(var(--mdui-color-primary));
  cursor: pointer;
}
.tat-link-btn:hover { text-decoration: underline; }
.tat-link-btn.is-danger { color: rgb(var(--mdui-color-error)); }

@media (max-width: 900px) {
  .tat-account-grid { grid-template-columns: 1fr; gap: 20px; }
  .tat-account-side { position: static; }
  .tat-account { padding-top: calc(var(--tat-header) + 28px); }
}
@media (max-width: 640px) {
  .tat-panel-head, .tat-panel-body { padding-inline: 16px; }
}
/* ---------- 第三方登录 ---------- */
.tat-auth-or {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.78rem;
  color: rgba(var(--mdui-color-on-surface), 0.36);
}
.tat-auth-or::before,
.tat-auth-or::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(var(--mdui-color-outline-variant), 0.8);
}

.tat-auth-body[hidden] { display: none; }
.tat-oauth { display: grid; grid-template-columns: 1fr; gap: 10px; }
.tat-oauth-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 46px;
  border-radius: 12px;
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.9);
  background: transparent;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  color: rgb(var(--mdui-color-on-surface));
  cursor: pointer;
  transition: border-color 0.2s var(--tat-ease), background 0.2s var(--tat-ease);
}
.tat-oauth-btn:hover { border-color: rgba(var(--mdui-color-primary), 0.5); background: rgba(var(--mdui-color-primary), 0.07); }
.tat-oauth-btn[disabled] { opacity: 0.55; cursor: default; }

.tat-mark-ms {
  width: 18px;
  height: 18px;
  flex: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5px;
}
.tat-mark-ms i { display: block; border-radius: 1px; }
.tat-mark-ms i:nth-child(1) { background: #f25022; }
.tat-mark-ms i:nth-child(2) { background: #7fba00; }
.tat-mark-ms i:nth-child(3) { background: #00a4ef; }
.tat-mark-ms i:nth-child(4) { background: #ffb900; }

/* ---------- 账户中心分页 ---------- */
.tat-account-tabs { margin-bottom: 20px; }
.tat-account-tabpanel[hidden] { display: none; }
.tat-chip.is-off { background: rgba(var(--mdui-color-on-surface), 0.08); color: rgba(var(--mdui-color-on-surface), 0.55); }
/* ---------- 对话框内表单与二次验证 ---------- */
.tat-auth-switch-link {
  align-self: flex-start;
  border: none;
  background: none;
  padding: 4px 0;
  font-family: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  color: rgb(var(--mdui-color-primary));
  cursor: pointer;
}
.tat-auth-switch-link:hover { text-decoration: underline; }
.tat-empty { padding: 40px 22px; text-align: center; font-size: 0.86rem; color: rgba(var(--mdui-color-on-surface), 0.42); }
.tat-dialog-fields { display: flex; flex-direction: column; gap: 14px; width: 440px; max-width: 100%; }
.tat-dialog-fields mdui-text-field { width: 100%; }
.tat-dialog-hint { margin: 0; font-size: 0.84rem; line-height: 1.7; color: rgba(var(--mdui-color-on-surface), 0.6); }
.tat-secret {
  font-family: var(--tat-mono);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  padding: 13px 14px;
  border-radius: 12px;
  background: rgba(var(--mdui-color-on-surface), 0.06);
  border: 1px dashed rgba(var(--mdui-color-outline-variant), 0.9);
  word-break: break-all;
  color: rgb(var(--mdui-color-primary));
}
.tat-secret-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.tat-recovery { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tat-recovery code {
  font-family: var(--tat-mono);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  padding: 9px 12px;
  border-radius: 9px;
  background: rgba(var(--mdui-color-on-surface), 0.06);
  text-align: center;
}
/* ==========================================================================
   OAuth 授权同意页
   ========================================================================== */
.consent-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 40px 20px;
  background-image: radial-gradient(70% 55% at 50% 0%, rgba(var(--mdui-color-primary), 0.14), transparent 70%);
}
.consent-page > div {
  /* place-items:center 会让子元素收缩到内容宽度，这里显式给宽度 */
  width: min(480px, 100%);
}
.consent-card {
  width: 100%;
  border-radius: 26px;
  background: rgb(var(--mdui-color-surface-container-low));
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
  box-shadow: var(--tat-shadow);
  overflow: hidden;
}
.consent-head {
  padding: 34px 30px 26px;
  text-align: center;
  border-bottom: 1px solid rgba(var(--mdui-color-outline-variant), 0.55);
}
.consent-mark {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: var(--tat-grad);
  color: #2c1a00;
  font-size: 1.4rem;
  font-weight: 800;
  box-shadow: 0 14px 28px -16px rgba(245, 158, 11, 0.9);
}
.consent-app { font-size: 1.16rem; font-weight: 750; letter-spacing: -0.02em; }
.consent-sub {
  margin-top: 8px;
  font-size: 0.86rem;
  line-height: 1.7;
  color: rgba(var(--mdui-color-on-surface), 0.6);
}

.consent-scopes {
  padding: 8px 30px;
}
.consent-scope {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(var(--mdui-color-outline-variant), 0.4);
}
.consent-scope:last-child { border-bottom: none; }
.consent-scope .consent-scope-icon {
  width: 38px;
  height: 38px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: rgba(var(--mdui-color-primary), 0.16);
  color: rgb(var(--mdui-color-on-primary-container));
}
.mdui-theme-dark .consent-scope .consent-scope-icon { color: rgb(var(--mdui-color-primary)); }
.consent-scope .consent-scope-icon .ico { width: 19px; height: 19px; }
.consent-scope b { display: block; font-size: 0.9rem; font-weight: 650; }
.consent-scope div > span { display: block; margin-top: 3px; font-size: 0.78rem; line-height: 1.6; color: rgba(var(--mdui-color-on-surface), 0.5); }

.consent-identity {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 30px 18px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(var(--mdui-color-on-surface), 0.04);
  font-size: 0.82rem;
  color: rgba(var(--mdui-color-on-surface), 0.62);
}
.consent-identity b { color: rgb(var(--mdui-color-on-surface)); font-weight: 650; }
.consent-identity code { font-family: var(--tat-mono); font-size: 0.78rem; }

.consent-actions { padding: 0 30px 26px; display: flex; flex-direction: column; gap: 10px; }
.consent-allow {
  height: 50px;
  border: none;
  border-radius: 999px;
  background: var(--tat-grad);
  color: #2c1a00;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 750;
  cursor: pointer;
  transition: transform 0.2s var(--tat-ease), box-shadow 0.2s var(--tat-ease);
}
.consent-allow:hover { transform: translateY(-1px); box-shadow: 0 16px 28px -18px rgba(245, 158, 11, 0.9); }
.consent-deny {
  height: 42px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: rgba(var(--mdui-color-on-surface), 0.55);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
}
.consent-deny:hover { background: rgba(var(--mdui-color-on-surface), 0.06); color: rgb(var(--mdui-color-on-surface)); }
.consent-foot {
  margin-top: 18px;
  text-align: center;
  font-size: 0.76rem;
  line-height: 1.7;
  color: rgba(var(--mdui-color-on-surface), 0.42);
}
/* 动态列表分页 */
.tat-pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 34px;
}
.tat-pager-step,
.tat-pager-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 13px;
  border-radius: 10px;
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.85);
  font-size: 0.84rem;
  font-weight: 600;
  color: rgba(var(--mdui-color-on-surface), 0.7);
  transition: background 0.2s var(--tat-ease), color 0.2s var(--tat-ease), border-color 0.2s var(--tat-ease);
}
a.tat-pager-step:hover,
a.tat-pager-num:hover {
  border-color: rgba(var(--mdui-color-primary), 0.5);
  background: rgba(var(--mdui-color-primary), 0.1);
  color: rgb(var(--mdui-color-primary));
}
.tat-pager-num.is-current {
  background: rgb(var(--mdui-color-primary));
  border-color: transparent;
  color: rgb(var(--mdui-color-on-primary));
}
.tat-pager-step.is-off { opacity: 0.38; }

/* ---------- 6c. 状态页 ---------- */
.tat-status-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin: 26px 0 10px;
  padding: 16px 20px;
  border-radius: 16px;
  border: 1px solid rgba(var(--mdui-color-outline-variant), 0.8);
  background: rgba(var(--mdui-color-on-surface), 0.03);
}
.tat-status-banner.is-ok { border-color: rgba(53, 196, 111, 0.4); background: rgba(53, 196, 111, 0.08); }
.tat-status-banner.is-warn { border-color: rgba(240, 163, 43, 0.45); background: rgba(240, 163, 43, 0.09); }
.tat-status-banner.is-down { border-color: rgba(224, 91, 74, 0.45); background: rgba(224, 91, 74, 0.09); }
.tat-status-banner.is-maint { border-color: rgba(var(--mdui-color-on-surface), 0.25); }
.tat-status-banner-text { font-size: 1rem; font-weight: 650; letter-spacing: -0.01em; }
.tat-status-banner-meta { margin-left: auto; font-size: 0.8rem; color: rgba(var(--mdui-color-on-surface), 0.5); }

.tat-state-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 650;
  white-space: nowrap;
}
.tat-state-chip.is-ok { background: rgba(53, 196, 111, 0.16); color: #35a468; }
.tat-state-chip.is-warn { background: rgba(240, 163, 43, 0.18); color: #b2761a; }
.tat-state-chip.is-down { background: rgba(224, 91, 74, 0.18); color: #c5422f; }
.tat-state-chip.is-maint { background: rgba(var(--mdui-color-on-surface), 0.12); color: rgba(var(--mdui-color-on-surface), 0.66); }
.mdui-theme-dark .tat-state-chip.is-ok { color: #6ee39b; }
.mdui-theme-dark .tat-state-chip.is-warn { color: #f0b862; }
.mdui-theme-dark .tat-state-chip.is-down { color: #ef8a7a; }

.tat-status--page { margin-top: 18px; padding: 8px 22px 18px; border-radius: 18px; border: 1px solid rgba(var(--mdui-color-outline-variant), 0.7); background: rgb(var(--mdui-color-surface-container-lowest)); }
/* 每一行都是独立的 grid，只要有一列是 fr/auto，各行的可用宽度就会不同、状态条对不齐；
   所以除状态条那列外全部给固定宽度 */
.tat-status-row--page { grid-template-columns: 240px minmax(0, 1fr) 76px 88px; gap: 18px; }
.tat-status-row--page .tat-status-name { min-width: 0; }
.tat-status-row--page .tat-status-name span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
/* 状态标签按内容宽度靠右对齐，别在右边留一截空 */
.tat-status-row--page .tat-state-chip { justify-self: end; }
.tat-status-row--page .tat-uptime { height: 24px; overflow: hidden; }
.tat-status-row--page .tat-status-pct { font-size: 0.8rem; }

.tat-maint-list { margin-top: 48px; }
.tat-maint-row {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  align-items: center;
  gap: 16px;
  padding: 14px 2px;
  border-bottom: 1px solid rgba(var(--mdui-color-outline-variant), 0.5);
  font-size: 0.88rem;
}
.tat-maint-title { font-weight: 600; }
.tat-maint-scope { color: rgba(var(--mdui-color-on-surface), 0.55); font-size: 0.82rem; }
.tat-maint-when { font-family: var(--tat-mono); font-size: 0.78rem; color: rgba(var(--mdui-color-on-surface), 0.6); }

@media (max-width: 860px) {
  .tat-status-row--page { grid-template-columns: 1fr auto; }
  .tat-status-row--page .tat-uptime { grid-column: 1 / -1; }
  .tat-maint-row { grid-template-columns: 1fr; gap: 4px; }
}

.tat-pill.is-off { background: rgba(224, 91, 74, 0.14); }
.mdui-theme-dark .tat-pill.is-off { color: #ef8a7a; }

/* 首页状态 pill 跟随整体状态 */
.tat-pill.is-degraded { background: rgba(240, 163, 43, 0.16); color: #a8701a; }
.tat-pill.is-down { background: rgba(224, 91, 74, 0.16); color: #c5422f; }
.tat-pill.is-maintenance,
.tat-pill.is-unknown { background: rgba(var(--mdui-color-on-surface), 0.1); color: rgba(var(--mdui-color-on-surface), 0.6); }
.mdui-theme-dark .tat-pill.is-degraded { color: #f0b862; }
.mdui-theme-dark .tat-pill.is-down { color: #ef8a7a; }

/* 状态条：细密短线 + 空格子 + 不可用红色 */
.tat-uptime { gap: 1px; }
.tat-uptime > i { border-radius: 1px; }
.tat-uptime > i.is-empty { background: rgba(var(--mdui-color-on-surface), 0.09); }
.tat-legend i.is-down { background: #e05b4a; }
.tat-legend i.is-empty { background: rgba(var(--mdui-color-on-surface), 0.14); }

/* 组件自带 display 会盖掉 [hidden] */
[hidden] { display: none !important; }

/* ---------- 英雄卡下方的装饰方块 ---------- */
.tat-hero-block {
  position: absolute;
  z-index: 2;
  pointer-events: none;
  user-select: none;
  filter: drop-shadow(0 14px 26px rgba(0, 0, 0, 0.45));
  animation: tat-block-float 7s ease-in-out infinite;
}
/* 两块靠在一起挂在卡片右下角，各自带一点倾斜，浮动时轻微摇摆 */
.tat-hero-block--grass {
  right: 98px;
  bottom: -74px;
  width: 104px;
  height: auto;
  z-index: 2;
  --tilt: -9deg;
  animation-delay: -2.6s;
  animation-duration: 8.4s;
}
.tat-hero-block--puffer {
  right: -6px;
  bottom: -60px;
  width: 116px;
  height: auto;
  z-index: 3;
  --tilt: 7deg;
}
@keyframes tat-block-float {
  0%, 100% { transform: translateY(0) rotate(var(--tilt, 0deg)); }
  50% { transform: translateY(-9px) rotate(calc(var(--tilt, 0deg) + 2.5deg)); }
}
@media (prefers-reduced-motion: reduce) {
  .tat-hero-block { animation: none; transform: rotate(var(--tilt, 0deg)); }
}
@media (max-width: 860px) {
  .tat-hero-block--grass { right: 78px; bottom: -46px; width: 72px; }
  .tat-hero-block--puffer { right: -2px; bottom: -38px; width: 80px; }
}

/* 卡片里的值：中文状态词用正文字体，别落到等宽字体的中文回退上 */
.tat-srv-row b .is-text {
  font-family: var(--tat-font);
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* 数据条的单位：用正文字体，别落到等宽字体的中文回退字形上 */
.tat-stat b[data-suffix]::after {
  content: attr(data-suffix);
  display: inline-block;
  margin-left: 0.26em;
  font-family: var(--tat-font);
  font-size: 0.46em;
  font-weight: 600;
  letter-spacing: 0;
  vertical-align: 0.12em;
  color: rgba(var(--mdui-color-on-surface), 0.55);
}

/* 页脚导航：六个入口，两列排布 */
.tat-footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 24px;
  align-content: start;
}
.tat-footer-nav a {
  font-size: 0.88rem;
  color: rgba(var(--mdui-color-on-surface), 0.66);
  transition: color 0.2s var(--tat-ease);
}
.tat-footer-nav a:hover { color: rgb(var(--mdui-color-primary)); }

/* 页脚状态跟着真实结果变色 */
.tat-footer-status[data-state="down"] { color: #c5422f; }
.tat-footer-status[data-state="degraded"] { color: #b2761a; }
.tat-footer-status[data-state="maintenance"],
.tat-footer-status[data-state="unknown"] { color: rgba(var(--mdui-color-on-surface), 0.45); }
.mdui-theme-dark .tat-footer-status[data-state="down"] { color: #ef8a7a; }
.mdui-theme-dark .tat-footer-status[data-state="degraded"] { color: #f0b862; }

/* 整卡可点的能力卡 */
a.tat-card--link {
  display: block;
  color: inherit;
  text-decoration: none;
  transition: transform 0.3s var(--tat-ease), border-color 0.3s var(--tat-ease);
}
a.tat-card--link:hover { transform: translateY(-3px); border-color: rgba(var(--mdui-color-primary), 0.45); }