/* ==========================================================================
   pages.css — 内页组件与响应式收尾
   ========================================================================== */

/* ---------------- 内页页头 ---------------- */
.mt-pagehead {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 26px;
  align-items: end;
  padding: 26px 0 24px;
  border-bottom: 1px solid var(--mt-line);
  margin-bottom: 26px;
}

.mt-pagehead h1 {
  font-size: clamp(27px, 3.6vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.03em;
  margin-top: 2px;
}

.mt-pagehead h1 em {
  font-style: normal;
  color: var(--mt-text-2);
}

.mt-pagehead p {
  margin-top: 14px;
  font-size: 13.5px;
  color: var(--mt-text-3);
  line-height: 1.85;
  max-width: 72ch;
}

.mt-pagehead__code {
  font-family: var(--mt-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--mt-text-3);
  text-align: right;
  line-height: 2;
  text-transform: uppercase;
  white-space: nowrap;
  padding-bottom: 4px;
}

.mt-pagehead__code b {
  display: block;
  color: var(--mt-text-2);
  font-weight: 500;
}

/* ---------------- 页内快捷入口 ---------------- */
.mt-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.mt-jump a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  border: 1px solid var(--mt-line);
  border-radius: 2px;
  font-size: 12px;
  color: var(--mt-text-2);
}

.mt-jump a i {
  font-family: var(--mt-mono);
  font-style: normal;
  font-size: 9px;
  color: var(--mt-text-3);
}

.mt-jump a:hover {
  border-color: var(--mt-line-3);
  background: rgba(233, 238, 245, 0.05);
  color: var(--mt-text);
}

/* ---------------- 栅格 ---------------- */
.mt-grid {
  display: grid;
  gap: 26px;
}

.mt-grid--2 {
  grid-template-columns: 1.15fr 0.85fr;
}

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

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

.mt-grid--form {
  grid-template-columns: 1fr 0.72fr;
}

.mt-stack {
  display: grid;
  gap: 26px;
}

.mt-stack--sm {
  gap: 14px;
}

/* ---------------- 文案排版 ---------------- */
.mt-copy {
  max-width: 76ch;
}

.mt-copy h2 {
  font-size: clamp(20px, 2.3vw, 27px);
  letter-spacing: -0.02em;
  margin: 30px 0 12px;
  padding-top: 22px;
  border-top: 1px solid var(--mt-line);
}

.mt-copy h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.mt-copy h3 {
  font-size: 16px;
  margin: 22px 0 8px;
}

.mt-copy p {
  font-size: 14px;
  color: var(--mt-text-2);
  line-height: 1.95;
  margin-bottom: 12px;
}

.mt-copy strong {
  color: var(--mt-text);
}

.mt-copy ul,
.mt-copy ol {
  display: grid;
  gap: 8px;
  margin: 12px 0 16px;
}

.mt-copy li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  color: var(--mt-text-2);
  line-height: 1.85;
}

.mt-copy ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 11px;
  width: 5px;
  height: 5px;
  background: var(--mt-live);
  border-radius: 1px;
}

.mt-copy ol {
  counter-reset: mt-ol;
}

.mt-copy ol li {
  counter-increment: mt-ol;
}

.mt-copy ol li::before {
  content: counter(mt-ol, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--mt-mono);
  font-size: 10px;
  color: var(--mt-acid);
  letter-spacing: 0.08em;
}

.mt-copy blockquote {
  margin: 18px 0;
  padding: 16px 18px;
  border-left: 2px solid var(--mt-live);
  background: rgba(255, 66, 56, 0.05);
  font-size: 13.5px;
  color: var(--mt-text-2);
  line-height: 1.9;
}

/* ---------------- 定义行 ---------------- */
.mt-rows {
  display: grid;
}

.mt-rows > div {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--mt-line);
  font-size: 13px;
}

.mt-rows > div:last-child {
  border-bottom: 0;
}

.mt-rows dt,
.mt-rows b {
  font-family: var(--mt-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mt-text-3);
  font-weight: 500;
  padding-top: 3px;
}

.mt-rows dd,
.mt-rows span {
  color: var(--mt-text-2);
  line-height: 1.75;
}

.mt-rows a {
  color: var(--mt-text);
  border-bottom: 1px solid var(--mt-line-2);
}

.mt-rows a:hover {
  color: var(--mt-live);
  border-color: var(--mt-live);
}

/* ---------------- 数据表 ---------------- */
.mt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  border: 1px solid var(--mt-line);
}

.mt-table caption {
  text-align: left;
  font-family: var(--mt-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mt-text-3);
  padding-bottom: 10px;
}

.mt-table th,
.mt-table td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--mt-line);
  vertical-align: top;
}

.mt-table thead th {
  font-family: var(--mt-mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mt-text-3);
  font-weight: 500;
  background: rgba(233, 238, 245, 0.03);
  white-space: nowrap;
}

.mt-table tbody tr:hover {
  background: rgba(233, 238, 245, 0.025);
}

.mt-table tbody tr:last-child td {
  border-bottom: 0;
}

.mt-table td {
  color: var(--mt-text-2);
}

.mt-table td b {
  color: var(--mt-text);
  font-weight: 600;
}

/* ---------------- 卡组 ---------------- */
.mt-card {
  border: 1px solid var(--mt-line);
  border-radius: 4px;
  background: var(--mt-panel);
  padding: 22px 20px;
}

.mt-card__idx {
  font-family: var(--mt-mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--mt-text-3);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.mt-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.mt-card p {
  font-size: 12.5px;
  color: var(--mt-text-3);
  line-height: 1.8;
}

.mt-card--link:hover {
  border-color: var(--mt-line-2);
  background: var(--mt-panel-2);
}

.mt-card--link h3 a:hover {
  color: var(--mt-live);
}

/* ---------------- 主播矩阵 ---------------- */
.mt-hosts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--mt-line);
  border: 1px solid var(--mt-line);
  border-radius: 4px;
  overflow: hidden;
}

.mt-host {
  background: var(--mt-panel);
  padding: 20px;
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 16px;
  align-items: start;
}

.mt-host__face {
  position: relative;
  width: 68px;
  height: 68px;
  border-radius: 3px;
  border: 1px solid var(--mt-line-2);
  display: grid;
  place-items: center;
  font-family: var(--mt-mono);
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--mt-text);
  background:
    radial-gradient(90% 70% at 30% 15%, rgba(255, 66, 56, 0.32), transparent 65%),
    linear-gradient(150deg, #1b232e, #0d1219);
  overflow: hidden;
}

.mt-host__face::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -14px;
  width: 50px;
  height: 50px;
  transform: translateX(-50%);
  border-radius: 50% 50% 0 0;
  background: rgba(233, 238, 245, 0.1);
}

.mt-host__face span {
  position: relative;
  z-index: 1;
  transform: translateY(-8px);
}

.mt-host h3 {
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.mt-host h3 small {
  font-family: var(--mt-mono);
  font-size: 8.5px;
  letter-spacing: 0.14em;
  color: var(--mt-text-3);
  border: 1px solid var(--mt-line);
  padding: 1px 5px;
  font-weight: 400;
}

.mt-host p {
  margin-top: 6px;
  font-size: 12px;
  color: var(--mt-text-3);
  line-height: 1.7;
}

.mt-host__meta {
  margin-top: 10px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  font-family: var(--mt-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--mt-text-3);
}

.mt-host__meta b {
  color: var(--mt-acid);
  font-weight: 500;
}

/* ---------------- 时间线 ---------------- */
.mt-tl {
  position: relative;
  padding-left: 26px;
  display: grid;
  gap: 22px;
}

.mt-tl::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--mt-line-2);
}

.mt-tl > div {
  position: relative;
}

.mt-tl > div::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mt-panel);
  border: 1px solid var(--mt-line-3);
}

.mt-tl > div.is-key::before {
  background: var(--mt-live);
  border-color: var(--mt-live);
}

.mt-tl time {
  font-family: var(--mt-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--mt-text-3);
}

.mt-tl h3 {
  font-size: 15px;
  margin: 5px 0 6px;
}

.mt-tl p {
  font-size: 12.5px;
  color: var(--mt-text-3);
  line-height: 1.8;
  max-width: 60ch;
}

/* ---------------- 场景 / 模块图 ---------------- */
.mt-topo {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 18px;
  border: 1px dashed var(--mt-line-2);
  border-radius: 4px;
  background: rgba(7, 9, 12, 0.5);
}

.mt-topo__node {
  border: 1px solid var(--mt-line);
  border-radius: 3px;
  background: var(--mt-panel);
  padding: 12px;
  font-size: 12px;
  color: var(--mt-text-2);
  text-align: center;
}

.mt-topo__node b {
  display: block;
  font-family: var(--mt-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--mt-text-3);
  margin-bottom: 6px;
  font-weight: 500;
}

.mt-topo__node--core {
  border-color: rgba(255, 66, 56, 0.5);
  background: rgba(255, 66, 56, 0.07);
  color: #fff;
}

.mt-topo__node--wide {
  grid-column: span 3;
}

/* ---------------- 表单 ---------------- */
.mt-form {
  display: grid;
  gap: 16px;
}

.mt-field {
  display: grid;
  gap: 7px;
}

.mt-field label,
.mt-field__label {
  font-family: var(--mt-mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mt-text-3);
}

.mt-field label i {
  font-style: normal;
  color: var(--mt-live);
}

.mt-field input,
.mt-field select,
.mt-field textarea {
  width: 100%;
  background: var(--mt-deep);
  border: 1px solid var(--mt-line-2);
  border-radius: 2px;
  padding: 11px 12px;
  font-size: 13.5px;
  color: var(--mt-text);
  transition: border-color 0.2s, background-color 0.2s;
}

.mt-field input::placeholder,
.mt-field textarea::placeholder {
  color: var(--mt-text-3);
}

.mt-field input:focus,
.mt-field select:focus,
.mt-field textarea:focus {
  outline: none;
  border-color: var(--mt-live);
  background: #0b0f14;
}

.mt-field textarea {
  min-height: 96px;
  resize: vertical;
}

.mt-field__hint {
  font-size: 11px;
  color: var(--mt-text-3);
}

.mt-check {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 11.5px;
  color: var(--mt-text-3);
  line-height: 1.7;
}

.mt-check input {
  width: 15px;
  height: 15px;
  margin: 3px 0 0;
  accent-color: var(--mt-live);
  flex: 0 0 auto;
}

.mt-form__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding-top: 4px;
}

.mt-form__msg {
  display: none;
  padding: 12px 14px;
  border: 1px solid rgba(216, 242, 74, 0.35);
  border-radius: 3px;
  background: var(--mt-acid-soft);
  font-size: 12.5px;
  color: var(--mt-acid);
  line-height: 1.7;
}

.mt-form__msg.is-on {
  display: block;
}

/* ---------------- 提示条 ---------------- */
.mt-alert {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--mt-line-2);
  border-left: 2px solid var(--mt-acid);
  border-radius: 3px;
  background: rgba(216, 242, 74, 0.05);
  font-size: 12.5px;
  color: var(--mt-text-2);
  line-height: 1.8;
}

.mt-alert b {
  color: var(--mt-acid);
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  font-family: var(--mt-mono);
  margin-bottom: 4px;
}

/* ---------------- 文章头 ---------------- */
.mt-arthead {
  padding: 28px 0 22px;
  border-bottom: 1px solid var(--mt-line);
  margin-bottom: 26px;
}

.mt-arthead__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-family: var(--mt-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--mt-text-3);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.mt-arthead__meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.mt-arthead h1 {
  font-size: clamp(25px, 3.4vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.03em;
  max-width: 24ch;
}

.mt-arthead p {
  margin-top: 14px;
  font-size: 13.5px;
  color: var(--mt-text-3);
  line-height: 1.85;
  max-width: 70ch;
}

.mt-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border: 1px solid var(--mt-line);
  border-radius: 2px;
  font-family: var(--mt-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--mt-text-3);
}

.mt-tag--live {
  border-color: rgba(255, 66, 56, 0.45);
  color: #ffb3af;
}

/* ---------------- 上一页 / 下一页 ---------------- */
.mt-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--mt-line);
  border: 1px solid var(--mt-line);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 34px;
}

.mt-pager a {
  background: var(--mt-panel);
  padding: 16px 18px;
  display: grid;
  gap: 5px;
}

.mt-pager a:last-child {
  text-align: right;
}

.mt-pager a:hover {
  background: var(--mt-panel-2);
}

.mt-pager span {
  font-family: var(--mt-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--mt-text-3);
  text-transform: uppercase;
}

.mt-pager b {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--mt-text-2);
}

.mt-pager a:hover b {
  color: var(--mt-text);
}

/* ---------------- 404 ---------------- */
.mt-404 {
  min-height: calc(100vh - var(--mt-top) - 220px);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 40px 0;
}

.mt-404 b {
  display: block;
  font-family: var(--mt-mono);
  font-size: clamp(70px, 15vw, 160px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 66, 56, 0.55);
}

.mt-404 h1 {
  font-size: clamp(21px, 3vw, 30px);
  margin: 18px 0 10px;
}

.mt-404 p {
  font-size: 13.5px;
  color: var(--mt-text-3);
  max-width: 46ch;
  margin: 0 auto;
}

.mt-404 .mt-hero__acts {
  justify-content: center;
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 1180px) {
  .mt-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 1024px) {
  .mt-grid--2,
  .mt-grid--form {
    grid-template-columns: 1fr;
  }

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

  .mt-pagehead {
    grid-template-columns: 1fr;
  }

  .mt-pagehead__code {
    text-align: left;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }

  .mt-pagehead__code b {
    display: inline;
  }
}

[hidden] {
  display: none !important;
}

/* 筛选按钮激活态 */
.mt-jump a.is-active {
  border-color: rgba(255, 66, 56, 0.55);
  background: var(--mt-live-soft);
  color: #fff;
}

.mt-jump a.is-active i {
  color: var(--mt-live);
}

/* 表单双列 */
.mt-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 720px) {
  .mt-grid--3,
  .mt-grid--4,
  .mt-hosts,
  .mt-form__row {
    grid-template-columns: 1fr;
  }

  .mt-rows > div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .mt-table {
    font-size: 12px;
  }

  .mt-table th,
  .mt-table td {
    padding: 9px 10px;
  }

  .mt-topo {
    grid-template-columns: 1fr 1fr;
  }

  .mt-topo__node--wide {
    grid-column: span 2;
  }

  .mt-pager {
    grid-template-columns: 1fr;
  }

  .mt-pager a:last-child {
    text-align: left;
    border-top: 1px solid var(--mt-line);
  }
}