/* ============================================================
   现场笔记 · 页面专属样式
   作用域：.page-news
   ============================================================ */

.page-news {
  --notes-bar-zun: #C8912F;
  --notes-bar-tuo: #7A4E18;
  --notes-bar-heng: #33454E;
  --notes-hairline: rgba(51, 69, 78, 0.16);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-news .notes-hero {
  position: relative;
  background: var(--c-ink);
  color: var(--c-paper);
  padding: calc(var(--header-h) + 68px) 0 76px;
  overflow: hidden;
}

.page-news .notes-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(200, 145, 47, 0.18) 0%, rgba(200, 145, 47, 0) 58%),
    linear-gradient(180deg, rgba(42, 31, 22, 0.9) 0%, rgba(22, 17, 13, 0) 62%);
  pointer-events: none;
}

.page-news .notes-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  top: 14%;
  width: 62%;
  height: 92%;
  background: linear-gradient(150deg, rgba(122, 78, 24, 0.55) 0%, rgba(42, 31, 22, 0) 72%);
  clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-news .notes-hero__inner {
  position: relative;
  z-index: 1;
}

.page-news .notes-hero__crumb {
  margin-bottom: 30px;
  color: var(--c-sand-lt);
}

.page-news .notes-hero__crumb a {
  color: var(--c-sand-lt);
  text-decoration: none;
  border-bottom: 1px solid rgba(235, 199, 126, 0.36);
}

.page-news .notes-hero__crumb a:hover {
  border-bottom-color: var(--c-sand-lt);
}

.page-news .notes-hero__sep {
  margin: 0 8px;
  color: rgba(235, 199, 126, 0.5);
}

.page-news .notes-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 38px;
  align-items: end;
}

.page-news .notes-hero .eyebrow {
  color: var(--c-sand);
}

.page-news .notes-hero h1 {
  margin: 14px 0 22px;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--c-paper);
  max-width: 17ch;
}

.page-news .notes-hero__lede {
  max-width: 58ch;
  color: rgba(245, 241, 232, 0.82);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

.page-news .notes-hero__aside {
  border-left: 2px solid var(--c-sand);
  padding: 4px 0 4px 20px;
}

.page-news .notes-hero__aside-label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-sand-lt);
}

.page-news .notes-hero__aside-text {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(245, 241, 232, 0.72);
  max-width: 34ch;
}

.page-news .notes-hero__meter {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-light);
}

.page-news .notes-hero__meter-num {
  font-family: var(--font-num);
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-sand-lt);
}

.page-news .notes-hero__meter-label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(245, 241, 232, 0.6);
}

/* ---------- 栏目导航 ---------- */
.page-news .notes-channels {
  background: var(--c-paper);
}

.page-news .notes-channels__head {
  max-width: 62ch;
}

.page-news .notes-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-news .notes-channel {
  display: block;
  position: relative;
  padding: 26px 22px 24px;
  border-radius: var(--r-lg);
  border: 1px solid var(--notes-hairline);
  background: rgba(226, 217, 200, 0.4);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease), transform var(--t-base) var(--ease), background-color var(--t-base) var(--ease);
}

.page-news .notes-channel::after {
  content: "→";
  position: absolute;
  top: 22px;
  right: 22px;
  font-size: 15px;
  color: var(--c-steel-lt);
  transition: color var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}

.page-news .notes-channel:hover {
  border-color: var(--line-gold);
  background: var(--c-paper);
  box-shadow: var(--shadow-plate);
  transform: translateY(-3px);
}

.page-news .notes-channel:hover::after {
  color: var(--c-sand);
  transform: translateX(3px);
}

.page-news .notes-channel__num {
  display: block;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--c-sand);
}

.page-news .notes-channel__name {
  margin: 14px 0 10px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-news .notes-channel__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-steel);
}

/* ---------- 最新笔记列表 ---------- */
.page-news .notes-list-section {
  background: var(--c-paper);
}

.page-news .notes-list-section__head {
  max-width: 66ch;
}

.page-news .notes-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--notes-hairline);
}

.page-news .notes-item {
  display: grid;
  grid-template-columns: 4px 1fr;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--notes-hairline);
  transition: background-color var(--t-fast) var(--ease);
}

.page-news .notes-item__bar {
  display: block;
  border-radius: var(--r-pill);
  background: var(--c-steel-lt);
}

.page-news .notes-item__bar--zun { background: var(--notes-bar-zun); }
.page-news .notes-item__bar--tuo { background: var(--notes-bar-tuo); }
.page-news .notes-item__bar--heng { background: var(--notes-bar-heng); }

.page-news .notes-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.page-news .notes-item__title {
  margin: 0 0 8px;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.45;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-news .notes-item__title a {
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--t-base) var(--ease), color var(--t-base) var(--ease);
}

.page-news .notes-item__title a:hover {
  color: var(--c-amber);
  border-bottom-color: var(--c-sand);
}

.page-news .notes-item__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-steel);
  max-width: 72ch;
}

.page-news .notes-item__time {
  grid-column: 2;
  display: block;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-steel-lt);
}

.page-news .notes-item:hover {
  background: rgba(226, 217, 200, 0.42);
}

.page-news .notes-list__more {
  margin: 34px 0 0;
}

/* ---------- 场景卡筛选带 ---------- */
.page-news .notes-scenes {
  background: var(--c-mist);
}

.page-news .notes-scenes__head {
  max-width: 64ch;
}

.page-news .notes-scenes__filter {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.page-news .notes-scenes__filter .chip-row {
  flex-wrap: wrap;
}

.page-news .notes-scenes__railwrap {
  margin-top: 34px;
}

.page-news .notes-scenes__rail {
  padding-bottom: 12px;
}

.page-news .scene-card {
  flex: 0 0 min(320px, 76vw);
  display: flex;
  flex-direction: column;
  position: relative;
  padding: 24px 22px 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--notes-hairline);
  background: var(--c-paper);
  box-shadow: var(--shadow-plate);
  transition: border-color var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
}

.page-news .scene-card:hover {
  border-color: var(--line-gold);
  box-shadow: var(--shadow-float);
}

.page-news .scene-card__line {
  position: absolute;
  top: 0;
  left: 22px;
  right: 22px;
  height: 3px;
  border-radius: var(--r-pill);
  background: var(--c-cinnabar);
}

.page-news .scene-card__media {
  margin: -4px 0 16px;
}

.page-news .scene-card__env {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-steel-lt);
}

.page-news .scene-card__title {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-news .scene-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-steel);
}

/* ---------- 专题系列 ---------- */
.page-news .notes-topics {
  background: var(--c-paper);
}

.page-news .notes-topics__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-news .notes-topics__intro h2 {
  max-width: 15ch;
}

.page-news .notes-topics__figure {
  margin: 28px 0 0;
}

.page-news .notes-topics__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--notes-hairline);
}

.page-news .topic-block {
  padding: 24px 0;
  border-bottom: 1px solid var(--notes-hairline);
  transition: padding-left var(--t-base) var(--ease);
}

.page-news .topic-block:hover {
  padding-left: 12px;
}

.page-news .topic-block__no {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-sand);
}

.page-news .topic-block__title {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.3vw, 22px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.4;
  color: var(--c-ink);
}

.page-news .topic-block__text {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-steel);
  max-width: 60ch;
}

.page-news .topic-block__meta {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-steel-lt);
}

/* ---------- 版本说明 ---------- */
.page-news .notes-versions {
  background: var(--c-mist);
}

.page-news .notes-versions__head {
  max-width: 60ch;
}

.page-news .notes-versions__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-news .notes-versions__panels {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .version-panel {
  border-radius: var(--r-md);
  border: 1px solid var(--notes-hairline);
  background: var(--c-paper);
  overflow: hidden;
  transition: border-color var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
}

.page-news .version-panel[open] {
  border-color: var(--line-gold);
  box-shadow: var(--shadow-plate);
}

.page-news .version-panel__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.page-news .version-panel__summary::-webkit-details-marker {
  display: none;
}

.page-news .version-panel__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 20px;
  line-height: 1;
  color: var(--c-sand);
  transition: transform var(--t-base) var(--ease);
}

.page-news .version-panel[open] .version-panel__summary::after {
  content: "−";
}

.page-news .version-panel__ver {
  font-size: 18px;
  font-weight: 700;
  font-family: var(--font-num);
  letter-spacing: 0.02em;
  color: var(--c-ink);
}

.page-news .version-panel__hint {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-steel-lt);
}

.page-news .version-panel__body {
  padding: 0 22px 22px;
  border-top: 1px solid var(--notes-hairline);
}

.page-news .version-panel__body p {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-steel);
  max-width: 62ch;
}

.page-news .notes-versions__aside {
  padding-top: 6px;
}

.page-news .notes-versions__figure {
  margin: 0 0 20px;
}

.page-news .notes-versions__note {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-steel);
  max-width: 40ch;
}

.page-news .notes-versions__note-link {
  margin: 0;
}

/* ---------- 提问区 ---------- */
.page-news .notes-ask {
  background: var(--c-ink);
  color: var(--c-paper);
  position: relative;
  overflow: hidden;
}

.page-news .notes-ask::before {
  content: "";
  position: absolute;
  left: -8%;
  bottom: -30%;
  width: 52%;
  height: 120%;
  background: linear-gradient(200deg, rgba(122, 78, 24, 0.42) 0%, rgba(22, 17, 13, 0) 70%);
  clip-path: polygon(0 0, 100% 22%, 78% 100%, 0 100%);
  pointer-events: none;
}

.page-news .notes-ask__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-news .notes-ask__eyebrow {
  color: var(--c-sand);
}

.page-news .notes-ask__title {
  margin: 14px 0 18px;
  color: var(--c-paper);
  max-width: 18ch;
}

.page-news .notes-ask__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 241, 232, 0.78);
  max-width: 52ch;
}

.page-news .notes-ask__side {
  border-radius: var(--r-lg);
  border: 1px solid var(--line-light);
  background: rgba(42, 31, 22, 0.62);
  padding: 26px 24px;
}

.page-news .notes-ask__side-label {
  margin: 0 0 16px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-sand-lt);
}

.page-news .notes-ask__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .notes-ask__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 241, 232, 0.84);
}

.page-news .notes-ask__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-sand);
}

.page-news .notes-ask__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.page-news .notes-ask__small {
  margin: 0;
  font-size: 12px;
  line-height: 1.75;
  color: rgba(245, 241, 232, 0.56);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .notes-channels__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .page-news .notes-item {
    grid-template-columns: 6px minmax(0, 1fr) auto;
    gap: 22px;
    align-items: start;
    padding: 26px 0;
  }

  .page-news .notes-item__time {
    grid-column: 3;
    padding-top: 4px;
    white-space: nowrap;
  }

  .page-news .notes-scenes__filter {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 16px 28px;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-news .notes-hero {
    padding: calc(var(--header-h) + 88px) 0 104px;
  }

  .page-news .notes-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 64px;
    align-items: end;
  }

  .page-news .notes-channels__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .page-news .notes-topics__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .notes-versions__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 52px;
    align-items: start;
  }

  .page-news .notes-ask__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 64px;
    align-items: center;
  }

  .page-news .scene-card {
    flex: 0 0 352px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .notes-channel,
  .page-news .notes-item,
  .page-news .scene-card,
  .page-news .topic-block {
    transition: none;
  }

  .page-news .notes-channel:hover {
    transform: none;
  }
}