/* ============================================================
   红色文化传播网 · Apple 风格 V2
   设计令牌严格对应 .ardot 设计稿（节点 5:1）
   ============================================================ */
:root {
  --red: #C8102E;            /* 强调红 */
  --red-bright: #E4374B;     /* 深色底眉标红 */
  --ink: #1D1D1F;            /* 主文字 */
  --gray-2: #6E6E73;         /* 次级文字 */
  --gray-3: #86868B;         /* 弱化文字 */
  --gray-nav: #424245;       /* 导航/页脚链接 */
  --surface: #F5F5F7;        /* 灰色板块底 */
  --hairline: #D2D2D7;       /* 分隔线 */
  --black: #000000;
  --white: #FFFFFF;
  --font: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  /* 圆角设计令牌（2026-08-31 A5-Δ：按钮由 980px 满胶囊改为 10px 克制圆角，与卡片 14-28px、kicker 2px 共建几何系统；nav 小按钮与 toast 保留 980px） */
  --radius-btn: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }

/* ---------- 通用文字 ---------- */
.kicker {
  font-size: 15px;
  font-weight: 600;
  color: var(--red);
  letter-spacing: 2px;
}
.kicker.sm { font-size: 14px; }
.kicker-dark { color: var(--red-bright); }

.h2 {
  font-size: 48px;
  font-weight: 600;
  letter-spacing: -0.021em;   /* ≈ -1px */
  line-height: 1.2;
}
.h2-dark { color: var(--white); }

.sub {
  font-size: 19px;
  line-height: 1.63;          /* 31px */
  color: var(--gray-2);
}
.sub-dark { color: #A1A1A6; }

.text-link {
  color: var(--red);
  font-size: 17px;
  font-weight: 600;
  transition: opacity .2s ease;
}
.text-link:hover { opacity: .72; text-decoration: underline; }
.text-link.lg { font-size: 18px; }
.text-link.sm { font-size: 15px; }

/* ---------- 模块骨架 ---------- */
.module {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}
.module-gray  { background: var(--surface); }
.module-white { background: var(--white); }
.module-black { background: var(--black); }

/* ---------- 导航栏（毛玻璃吸顶） ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 48px;
  padding: 0 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, .72);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  transition: box-shadow .3s ease;
}
/* .nav.scrolled { box-shadow: 0 1px 0 rgba(0, 0, 0, .08); } — 老大要求去掉这条硬横线，保留 transition 以便日后加回柔和阴影 */

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
}
.star { width: 16px; height: 16px; }

.nav-links { display: flex; gap: 34px; }
.nav-links a {
  font-size: 13px;
  color: var(--gray-nav);
  transition: color .2s ease;
}
.nav-links a:hover { color: var(--ink); }

.nav-right { display: flex; align-items: center; gap: 18px; }
.nav-search {
  color: var(--gray-nav);
  width: 15px; height: 15px;
  display: flex;
}
.nav-search svg { width: 15px; height: 15px; }
.nav-search:hover { color: var(--ink); }

.nav-burger { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.nav-burger span {
  width: 18px; height: 1.5px;
  background: var(--ink);
  transition: transform .25s ease, opacity .25s ease;
}
.nav-burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-drawer {
  position: fixed;
  top: 48px; left: 0; right: 0;
  z-index: 99;
  display: none;
  flex-direction: column;
  padding: 8px 44px 20px;
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, .08);
}
.nav-drawer a {
  padding: 12px 0;
  font-size: 15px;
  color: var(--ink);
  border-bottom: 1px solid rgba(0, 0, 0, .06);
}
.nav-drawer a:last-child { border-bottom: none; }
.nav-drawer.open { display: flex; }

/* ---------- 主导航下拉模块（红色文学等，可扩展书目） ---------- */
.nav-item { position: relative; display: flex; align-items: center; }
.nav-trigger {
  display: inline-flex; align-items: center; gap: 3px; cursor: pointer;
  font-size: 13px; color: var(--gray-nav); transition: color .2s ease;
}
.nav-trigger:hover { color: var(--ink); }
.nav-caret { font-size: 9px; line-height: 1; transition: transform .2s ease; }
.nav-item.open .nav-caret { transform: rotate(180deg); }
.nav-submenu {
  position: absolute; top: calc(100% + 14px); left: 0;
  min-width: 248px;
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  box-shadow: 0 16px 40px rgba(0,0,0,.18);
  padding: 8px;
  display: flex; flex-direction: column;
  z-index: 120;
}
.nav-submenu[hidden] { display: none; }
.nav-group-label {
  font-size: 12px; font-weight: 600; color: var(--gray-3);
  padding: 8px 12px 4px; letter-spacing: .04em;
}
.nav-sep { height: 1px; background: var(--hairline); margin: 6px 4px; }
.nav-submenu .nav-dropdown-item { width: 100%; }

/* 移动端抽屉内的展开子模块 */
.nav-drawer .nav-sub { border-bottom: 1px solid rgba(0,0,0,.06); }
.nav-drawer .nav-sub-toggle {
  width: 100%; text-align: left; background: none;
  padding: 12px 0; font-size: 15px; color: var(--ink);
  display: flex; align-items: center; justify-content: space-between;
  font-family: inherit; cursor: pointer;
}
.nav-drawer .nav-sub-toggle .nav-caret { font-size: 10px; transition: transform .2s ease; }
.nav-drawer .nav-sub.open .nav-caret { transform: rotate(180deg); }
.nav-drawer .nav-sub-list { padding: 0 0 8px; }
.nav-drawer .nav-sub-list a {
  display: block; padding: 10px 0 10px 28px;
  font-size: 14px; color: var(--gray-2);
}
.nav-drawer .nav-sub-list .nav-group-label { padding: 8px 0 2px 16px; }

/* ---------- Hero（全屏化 A5 · 2026-08-31） ---------- */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: calc(100vh - 72px);
  padding: 96px 24px 120px;
  color: var(--white);
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: url("assets/images/hero-jinggangshan.jpg?v=20260831a") center 38% / cover no-repeat;
  transform: scale(1.04); /* 略放大，规避蒙层边缘露白 */
}
.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(28,6,12,.40) 0%, rgba(70,10,18,.55) 45%, rgba(45,5,10,.86) 100%),
    radial-gradient(120% 80% at 50% 0%, rgba(0,0,0,0) 40%, rgba(0,0,0,.30) 100%);
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .22em;
  color: rgba(255,255,255,.86);
  margin: 0 0 22px;
}
.hero-kicker::before {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  background: var(--red-bright);
  border-radius: 2px;
}
.hero-title {
  font-size: clamp(40px, 7vw, 76px);
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.12;
  text-align: center;
  text-shadow: 0 2px 24px rgba(0,0,0,.35);
  max-width: 18ch;
}
.hero-sub {
  margin: 18px 0 0;
  font-size: clamp(17px, 2.2vw, 21px);
  color: rgba(255,255,255,.84);
  text-align: center;
}
.hero-cta-row {
  margin-top: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
}
/* Hero CTA · Apple 双文字链（2026-08-31）：去掉实心钮，主链纯白、hover 转亮红 */
.hero-link-primary {
  color: var(--white);
  font-size: 19px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
  letter-spacing: .01em;
  transition: color .2s ease, border-color .2s ease;
  cursor: pointer;
}
.hero-link-primary .hero-cv { font-size: 21px; line-height: 1; transition: transform .2s ease; }
.hero-link-primary:hover,
.hero-link-primary:focus-visible {
  color: var(--red-bright);
  border-bottom-color: var(--red-bright);
  outline: none;
}
.hero-link-primary:hover .hero-cv,
.hero-link-primary:focus-visible .hero-cv { transform: translateX(4px); }
.hero-link-secondary {
  color: rgba(255,255,255,.92);
  font-size: 17px;
  font-weight: 400;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(255,255,255,.45);
  transition: color .2s ease, border-color .2s ease;
  cursor: pointer;
}
.hero-link-secondary .hero-cv { font-size: 18px; line-height: 1; }
.hero-link-secondary:hover,
.hero-link-secondary:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
  outline: none;
}
.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.7);
  font-size: 13px;
  letter-spacing: .1em;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.hero-scroll-text { color: inherit; }
.hero-scroll-arrow {
  width: 18px;
  height: 18px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  animation: hero-bob 1.6s infinite ease-in-out;
}
@keyframes hero-bob {
  0%, 100% { transform: translateY(0) rotate(45deg); }
  50%      { transform: translateY(5px) rotate(45deg); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-scroll-arrow { animation: none; }
  .hero-bg { transform: none; }
}

/* 旧 hero-figure / hero-links 样式保留以防其他位置复用 */
.hero-figure { width: 100%; margin-top: 0; }
.hero-figure img { width: 100%; aspect-ratio: 1440 / 600; object-fit: cover; }
.hero-figure figcaption { margin-top: 10px; font-size: 0.82rem; line-height: 1.6; color: #8a7a6a; text-align: center; }
.hero-links { display: flex; gap: 40px; }

/* ---------- 南湖红船 ---------- */
.landmark {
  padding: 110px 160px;
  gap: 20px;
}
.rounded-figure {
  width: 100%;
  max-width: 1120px;
  margin-top: 18px;
}
.rounded-figure img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-radius: 28px;
}

/* ---------- 长征（纯黑模块） ---------- */
.march {
  padding-top: 120px;
  gap: 0;
}
.march-inner {
  width: 100%;
  padding: 0 140px 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}
.stats {
  display: flex;
  gap: 100px;
  padding-top: 30px;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.stat dt,
.stat-num {
  font-size: 52px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.1;
}
.stat dd,
.stat-label {
  font-size: 14px;
  color: var(--gray-3);
}
/* 长征数字可点击 */
button.stat {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  cursor: pointer;
  transition: opacity .25s ease, transform .25s ease;
}
button.stat:hover { opacity: .75; }
button.stat:hover .stat-num { color: #fff; text-decoration: underline; text-underline-offset: 8px; text-decoration-thickness: 2px; }
button.stat:focus-visible { outline: 2px solid rgba(255,255,255,.6); outline-offset: 6px; border-radius: 8px; }
.march-figure { width: 100%; }
.march-figure img {
  width: 100%;
  aspect-ratio: 1440 / 500;
  object-fit: cover;
}
.march-figure video {
  display: block;
  width: 100%;
  aspect-ratio: 1440 / 500;
  object-fit: cover;
  background: #000;
}

/* ---------- 三大主题 ---------- */
.themes { padding: 120px 24px; gap: 56px; }
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  width: 100%;
  max-width: 1392px;
}
.card {
  background: var(--surface);
  border-radius: 28px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.card-img img {
  width: 100%;
  aspect-ratio: 448 / 260;
  object-fit: cover;
}
.card-img figcaption {
  margin-top: 6px;
  font-size: 0.72rem;
  line-height: 1.5;
  color: #8a7a6a;
  text-align: center;
}
.card-img {
  margin: 0;
  position: relative;
}
.card-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: 36px 40px 40px;
}
.card-body h3 {
  font-size: 24px;
  font-weight: 600;
}
.card-body p {
  font-size: 15px;
  line-height: 25px;
  color: var(--gray-2);
}

/* ---------- 历史时间轴（3.3 Apple 式留白） ---------- */
.timeline { padding: 120px; gap: 84px; }
.tl {
  position: relative;
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 0 40px;
}
.tl::before {
  content: "";
  position: absolute;
  top: 5px;
  left: 130px;
  right: 130px;
  height: 2px;
  background: var(--hairline);
}
.tl-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: 200px;
  text-align: center;
}
.tl-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--red);
}
.tl-year { font-size: 28px; font-weight: 600; letter-spacing: -.01em; line-height: 1.1; }
.tl-event { font-size: 16px; font-weight: 600; color: var(--ink); line-height: 1.35; }
.tl-desc { font-size: 13px; color: var(--gray-2); line-height: 1.5; }

/* ---------- 知识考核 ---------- */
.quiz { padding: 130px 120px; gap: 20px; }
.h2-quiz { font-size: 52px; letter-spacing: -0.019em; }
.pill-btn {
  margin-top: 4px;
  padding: 14px 40px;
  border-radius: var(--radius-btn);
  background: var(--red);
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  transition: background .2s ease, transform .2s ease;
}
.pill-btn:hover { background: #A80D27; transform: scale(1.02); }
.pill-btn:active { transform: scale(.98); }

/* ---------- 页脚（全站统一） ---------- */
/* Apple 式 mega-footer：更宽松内边距 + 标题字距 + 链接仅变色（无下划线）+ 底部细排精致化 */
.footer {
  background: var(--surface);
  padding: 56px 120px 36px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.footer-top {
  display: flex;
  flex-wrap: wrap;
  gap: 40px 72px;
}
.footer-brand {
  flex: 1 1 220px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}
.footer-logo .star { width: 18px; height: 18px; }
.footer-brand p {
  margin: 0;
  font-size: 12px;
  color: var(--gray-3);
}
.footer-col {
  flex: 0 1 140px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer-col h4 {
  margin: 0 0 2px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: .06em;
}
.footer-col a {
  font-size: 12px;
  color: var(--gray-nav);
  transition: color .2s ease;
}
.footer-col a:hover { color: var(--red); }
.footer-divider { height: 1px; background: var(--hairline); }
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 11px;
  color: var(--gray-3);
  letter-spacing: .02em;
}
.footer-meta { color: var(--gray-3); }

/* ---------- 知识考核弹窗 ---------- */
.quiz-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(0, 0, 0, .48);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.quiz-modal[hidden] { display: none; }
.quiz-card {
  position: relative;
  width: 100%;
  max-width: 560px;
  background: var(--white);
  border-radius: 28px;
  padding: 48px;
}
.quiz-close {
  position: absolute;
  top: 16px; right: 20px;
  font-size: 28px;
  line-height: 1;
  color: var(--gray-3);
  transition: color .2s ease;
}
.quiz-close:hover { color: var(--ink); }
.quiz-progress {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-3);
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.quiz-question {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 24px;
}
.quiz-options { display: flex; flex-direction: column; gap: 12px; }
.quiz-option {
  text-align: left;
  padding: 14px 18px;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  font-size: 15px;
  transition: background .15s ease, border-color .15s ease;
}
.quiz-option:hover:not(:disabled) { background: var(--surface); }
.quiz-option:disabled { cursor: default; }
.quiz-option.correct {
  background: #E8F8EE;
  border-color: #34C759;
  color: #1B7A3D;
  font-weight: 600;
}
.quiz-option.wrong {
  background: #FDEBEE;
  border-color: #FF3B30;
  color: #C0271D;
}
.quiz-next {
  margin-top: 24px;
  padding: 12px 32px;
  border-radius: var(--radius-btn);
  background: var(--red);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
}
.quiz-next:hover { background: #A80D27; }
.quiz-score-num {
  font-size: 64px;
  font-weight: 600;
  text-align: center;
}
.quiz-score-text {
  text-align: center;
  color: var(--gray-2);
  margin: 8px 0 28px;
}
.quiz-restart {
  display: block;
  margin: 0 auto;
  padding: 12px 36px;
  border-radius: var(--radius-btn);
  background: var(--red);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
}
.quiz-restart:hover { background: #A80D27; }

/* ---------- 入场动效 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s cubic-bezier(.25, .1, .25, 1), transform .8s cubic-bezier(.25, .1, .25, 1);
}
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   子页面（英雄人物 / 红色地点 / 历史事件）
   ============================================================ */

/* ---------- 页头 ---------- */
.page-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 144px 24px 72px;
  background: var(--white);
  text-align: center;
}
.h1 {
  font-size: 64px;
  font-weight: 600;
  letter-spacing: -0.022em;
  line-height: 1.15;
}

/* 当前导航项高亮 */
.nav-links a.active { color: var(--ink); font-weight: 500; }

/* ---------- 全宽图带 ---------- */
.image-band { width: 100%; }
.image-band img {
  width: 100%;
  aspect-ratio: 1440 / 500;
  object-fit: cover;
}

/* ---------- 英雄人物：卡片网格 ---------- */
.heroes-section { padding: 110px 24px; }
.heroes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  width: 100%;
  max-width: 1120px;
}
.person-card {
  background: var(--white);
  border-radius: 28px;
  padding: 40px 36px 44px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.person-index {
  font-size: 13px;
  font-weight: 600;
  color: var(--red);
  letter-spacing: 2px;
}
.person-name { font-size: 32px; font-weight: 600; line-height: 1.2; }
.person-years { font-size: 13px; color: var(--gray-3); }
.person-desc {
  font-size: 15px;
  line-height: 25px;
  color: var(--gray-2);
  margin-top: 6px;
}
.person-quote {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  margin-top: auto;
  padding-top: 14px;
}

/* ---------- 红色地点：交替图文行 ---------- */
.places { padding: 40px 24px 120px; gap: 0; }
.split-row {
  display: flex;
  align-items: center;
  gap: 80px;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 70px 0;
}
.split-row.reverse { flex-direction: row-reverse; }
.split-img {
  flex: 1;
  min-width: 0;
}
.split-img img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 28px;
}
.split-text {
  width: 400px;
  flex: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.split-text h2 {
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.split-text p:not(.kicker) {
  font-size: 17px;
  line-height: 29px;
  color: var(--gray-2);
}

/* ---------- 历史事件：大事记列表 ---------- */
.events-section { padding: 100px 24px 90px; }
.events-continued { padding-top: 40px; }
.event-list {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
}
.event-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 48px 0;
}
.event-item + .event-item { border-top: 1px solid var(--hairline); }
.event-year {
  font-size: 52px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--ink);
}
.event-item h2 { font-size: 22px; font-weight: 600; }
.event-item p {
  font-size: 16px;
  line-height: 28px;
  color: var(--gray-2);
}

@media (max-width: 1180px) {
  .h1 { font-size: 52px; }
  .split-text h2 { font-size: 34px; }
  .heroes-grid { grid-template-columns: repeat(2, 1fr); max-width: 780px; }
}

@media (max-width: 860px) {
  .page-hero { padding: 116px 24px 56px; }
  .h1 { font-size: 40px; }

  .image-band img { aspect-ratio: 4 / 3; }

  .heroes-section { padding: 72px 24px; }
  .heroes-grid { grid-template-columns: 1fr; max-width: 480px; }
  .person-card { padding: 32px 28px 36px; }
  .person-name { font-size: 26px; }

  .places { padding-bottom: 80px; }
  .split-row,
  .split-row.reverse {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
    padding: 48px 0;
  }
  .split-text { width: 100%; gap: 12px; }
  .split-text h2 { font-size: 28px; }
  .split-img { width: 100%; }

  .events-section { padding: 72px 24px 60px; }
  .event-year { font-size: 38px; }
  .event-item { padding: 36px 0; }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1180px) {
  .hero-title { font-size: 64px; }
  .h2 { font-size: 40px; }
  .h2-quiz { font-size: 44px; }
  .landmark { padding: 90px 64px; }
  .march-inner { padding: 0 64px 48px; }
  .stats { gap: 64px; }
  .timeline { padding: 104px 64px; }
  .quiz { padding: 100px 64px; }
  .footer { padding: 48px 64px 28px; }
  .tl { padding: 0; }
  .tl::before { left: 100px; right: 100px; }
}

@media (max-width: 860px) {
  .nav { padding: 0 24px; }
  .nav-links { display: none; }
  .nav-burger { display: flex; }

  .hero { padding-top: 116px; gap: 18px; }
  .hero-title { font-size: 42px; }
  .hero-sub { font-size: 17px; }
  .hero-links { flex-direction: column; gap: 14px; align-items: center; }
  .hero-figure img { aspect-ratio: 4 / 3; }

  .landmark { padding: 72px 24px; }
  .h2 { font-size: 32px; }
  .h2-quiz { font-size: 34px; }
  .sub { font-size: 17px; }

  .march { padding-top: 80px; }
  .march-inner { padding: 0 24px 40px; gap: 18px; }
  .stats { gap: 40px; padding-top: 20px; }
  .stat dt, .stat-num { font-size: 36px; }
  .stat dd, .stat-label { font-size: 12px; }
  .march-figure img, .march-figure video { aspect-ratio: 4 / 3; }

  .themes { padding: 80px 24px; gap: 40px; }
  .cards { grid-template-columns: 1fr; max-width: 560px; }

  .timeline { padding: 88px 24px; gap: 56px; }
  /* 时间轴转纵向 */
  .tl {
    flex-direction: column;
    gap: 48px;
    padding-left: 28px;
    align-items: flex-start;
  }
  .tl::before {
    top: 6px; bottom: 6px;
    left: 5px; right: auto;
    width: 2px; height: auto;
  }
  .tl-item {
    width: 100%;
    align-items: flex-start;
    text-align: left;
    gap: 6px;
  }
  .tl-dot { position: absolute; left: -28px; top: 6px; }

  .quiz { padding: 88px 24px; }

  .footer { padding: 48px 24px 28px; gap: 28px; }
  .footer-top { flex-wrap: wrap; gap: 32px; }
  .footer-brand { flex: 1 1 100%; }
  .footer-col { flex: 1 1 40%; }
  .footer-bottom { flex-direction: column; gap: 6px; }

  .quiz-card { padding: 36px 24px; border-radius: 20px; }
  .quiz-question { font-size: 19px; }
}

/* ============================================================
   子页面（英雄人物 / 红色地点 / 历史事件）
   ============================================================ */

/* ---------- 页头 ---------- */
.page-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 160px 24px 104px;
  background: var(--white);
  text-align: center;
}
.page-title {
  font-size: 64px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.page-sub {
  font-size: 19px;
  line-height: 1.63;
  color: var(--gray-2);
}

/* ---------- 英雄人物：人物卡网格 ---------- */
.people-section { background: var(--white); padding: 120px 24px 144px; }
.people-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
}
.person-card {
  background: var(--surface);
  border-radius: 28px;
  padding: 44px 44px;
  display: flex;
  flex-direction: column;
}
.person-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}
.person-name { font-size: 28px; font-weight: 600; }
.person-years { font-size: 13px; color: var(--gray-3); white-space: nowrap; }
.person-divider { height: 1px; background: var(--hairline); margin: 18px 0; }
.person-tag {
  font-size: 14px;
  font-weight: 600;
  color: var(--red);
  margin-bottom: 8px;
}
.person-desc { font-size: 16px; line-height: 28px; color: var(--gray-2); }

/* ---------- 红色地点：交替图文行 ---------- */
.places-section { background: var(--white); padding: 120px 24px 124px; }
.places-list {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.place-row {
  background: var(--surface);
  border-radius: 28px;
  padding: 48px 48px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.place-text { display: flex; flex-direction: column; gap: 12px; }
.place-name { font-size: 32px; }
.place-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--gray-3);
}
.place-meta .kicker { font-size: 13px; }
.place-meta .dot-sep { width: 3px; height: 3px; border-radius: 50%; background: var(--gray-3); }
.place-name { font-size: 40px; font-weight: 600; letter-spacing: -0.02em; }
.place-desc { font-size: 17px; line-height: 30px; color: var(--gray-2); }

/* ---------- 历史事件：纵向时间轴 ---------- */
.events-section { background: var(--white); padding: 120px 24px 144px; }
.vtimeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding-left: 44px;
}
.vtimeline::before {
  content: "";
  position: absolute;
  top: 8px; bottom: 8px;
  left: 5px;
  width: 2px;
  background: var(--hairline);
}
.vt-item { position: relative; padding-bottom: 80px; }
.vt-item:last-child { padding-bottom: 0; }
.vt-dot {
  position: absolute;
  left: -44px;
  top: 7px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--red);
}
.vt-year {
  font-size: 16px;
  font-weight: 600;
  color: var(--red);
  letter-spacing: 1.5px;
  margin-bottom: 11px;
}
.vt-title { font-size: 27px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 13px; }
.vt-desc { font-size: 16.5px; line-height: 30px; color: var(--gray-2); max-width: 560px; }

/* ---------- 页尾导流 ---------- */
.next-module {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 110px 24px;
  background: var(--surface);
  text-align: center;
}
.next-module .h2 { font-size: 40px; }

@media (max-width: 1180px) {
  .page-hero { padding: 140px 24px 88px; }
  .page-title { font-size: 52px; }
  .places-list { gap: 20px; }
  .place-row { padding: 34px 34px; }
  .place-name { font-size: 28px; }
}

@media (max-width: 860px) {
  .page-hero { padding: 120px 24px 72px; gap: 16px; }
  .page-title { font-size: 38px; }
  .page-sub { font-size: 17px; }

  .people-section { padding: 80px 24px 108px; }
  .people-grid { grid-template-columns: 1fr; max-width: 560px; }
  .person-card { padding: 36px 32px; }

  .places-section { padding: 80px 24px 88px; }
  .places-list { grid-template-columns: 1fr; gap: 20px; }
  .place-row { padding: 40px 32px; }
  .place-name { font-size: 30px; }

  .events-section { padding: 80px 24px 108px; }
  .vt-item { padding-bottom: 60px; }
  .vt-title { font-size: 23px; }

  .next-module { padding: 80px 24px; }
  .next-module .h2 { font-size: 30px; }
}

/* ---------- 红色地点：配图列 ---------- */
.place-img { flex: 1; min-width: 0; }
.place-img img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 28px;
}
@media (max-width: 1180px) {
  .place-row { gap: 48px; }
}
@media (max-width: 860px) {
  .place-img { width: 100%; }
  .place-img img { aspect-ratio: 16 / 10; }
}

/* ---------- 人物详情页 ---------- */
.page-tag {
  font-size: 20px;
  font-weight: 600;
  color: var(--red);
}
.bio-section {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px 120px;
}
.bio-lead {
  font-size: 23px;
  line-height: 1.8;
  color: var(--ink);
  margin-bottom: 36px;
}
.quote-black {
  background: #000;
  padding: 120px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
}
.quote-text {
  max-width: 840px;
  font-size: 34px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--white);
}
.quote-note {
  font-size: 14px;
  color: var(--gray-3);
}
.stories {
  max-width: 720px;
  margin: 0 auto;
  padding: 120px 24px;
  display: flex;
  flex-direction: column;
  gap: 72px;
}
.story { display: flex; flex-direction: column; gap: 14px; }
.story h3 {
  font-size: 23px;
  font-weight: 600;
  color: var(--ink);
}
.story p {
  font-size: 16.5px;
  line-height: 1.88;
  color: var(--gray-2);
}
.story-legacy {
  background: var(--surface);
  border-radius: 28px;
  padding: 44px 36px;
}
.story-legacy h3 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--red);
  margin-bottom: 10px;
}
.story-legacy-text {
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
}
.person-nav {
  border-top: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  max-width: 980px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}
.pn-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-decoration: none;
  transition: opacity .25s ease;
}
.pn-link:hover { opacity: .65; }
.pn-link.pn-next { text-align: right; }
.pn-kicker {
  font-size: 13px;
  color: var(--gray-3);
}
.pn-name {
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
}
.pn-mid a {
  font-size: 15px;
  color: var(--gray-nav);
  text-decoration: none;
  white-space: nowrap;
  transition: color .25s ease;
}
.pn-mid a:hover { color: var(--ink); }
@media (max-width: 860px) {
  .bio-section { padding-bottom: 88px; }
  .bio-lead { font-size: 19px; }
  .quote-black { padding: 80px 24px; }
  .quote-text { font-size: 24px; }
  .stories { padding: 80px 24px; gap: 56px; }
  .story-legacy { padding: 36px 28px; }
  .person-nav { grid-template-columns: 1fr 1fr; }
  .pn-mid { order: -1; grid-column: 1 / -1; justify-self: center; }
}

/* ---------- 长征数字详情弹窗 ---------- */
.stat-detail-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}
.stat-detail-num {
  font-size: 64px;
  font-weight: 600;
  line-height: 1.05;
  color: var(--red);
}
.stat-detail-label {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}
.stat-detail-list {
  list-style: none;
  display: flex;
  flex-direction: column;
}
.stat-detail-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray-2);
}
.stat-detail-list li:last-child { border-bottom: 0; }
.stat-detail-list b {
  font-weight: 600;
  color: var(--ink);
}
.stat-detail-note {
  margin-top: 20px;
  font-size: 13px;
  color: var(--gray-3);
}
@media (max-width: 860px) {
  .stat-detail-num { font-size: 48px; }
}

/* ---------- 详情页配图（电影感缓慢推近） ---------- */
.detail-figure {
  margin-top: 44px;
  border-radius: 28px;
  overflow: hidden;
}
.detail-figure img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  display: block;
  animation: kenburns 26s ease-in-out infinite alternate;
}
/* 开国大典图：人物偏右，焦点右移并略偏上，避免 2:1 裁切切到脸部 */
.detail-figure--kaiquo img {
  object-position: 72% 46%;
}
/* 南湖红船：船体居中偏上，2:1 裁切时保留画舫主体而非过多前景堤岸 */
.figure-red-boat img {
  object-position: 50% 40%;
}
/* 泸定桥：桥身与锁链横跨画面中部偏下，避免 2:1 裁切切掉桥体 */
.figure-luding img {
  object-position: 50% 58%;
}

/* 南昌八一起义纪念馆（江西大旅社旧址）：竖版建筑照，2:1 裁切时略上提保留主楼立面 */
.figure-nanchang img {
  object-position: 50% 45%;
}

/* 井冈山五指峰：主峰位于画面中上部，2:1 / 2.4:1 裁切时上提，保留主峰 */
.figure-jinggangshan img {
  object-position: 50% 35%;
}

/* 延安宝塔山卡片：夜景横幅中宝塔偏右上，1.72:1 裁切时往右上移 */
.card-img-yanan img {
  object-position: 70% 30%;
}

/* 延安宝塔山详情：延河桥在下、宝塔在左上，2:1 裁切时保留下桥与塔 */
.figure-yanan img {
  object-position: 55% 55%;
}

/* 西柏坡旧址：土坯院落居中偏下，2:1 / 4:3 裁切均保留院落场景 */
.figure-xibaipo img {
  object-position: 50% 62%;
}

/* 上海中共一大会址：石库门建筑主体居中偏上，避免 2:1 裁切掉门楣 */
.figure-shanghai-yida img { object-position: 50% 50%; }

/* 瑞金沙洲坝红井：井与石碑居中 */
.figure-rujin img { object-position: 50% 50%; }

/* 古田会议会址：横幅构图接近 2:1，建筑主体居中 */
.figure-gutian img { object-position: 50% 48%; }

/* 重庆红岩革命纪念馆：馆舍与红岩碑石居中偏下，避免裁切主要建筑 */
.figure-chongqing-hongyan img { object-position: 50% 45%; }

/* 抗美援朝纪念馆题词墙：金色题词居中 */
.figure-kangmei-jinianguan img { object-position: 50% 45%; }

/* 历史文献照：按原比例完整显示，不裁切、不缓动，浅底衬出史料质感 */
.detail-figure--doc {
  background: #f3f1ec;
}
.detail-figure.detail-figure--doc img {
  aspect-ratio: auto;
  height: auto;
  object-fit: contain;
  animation: none;
}
.detail-figure video {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}
/* 历史肖像双图：竖版人像按原比例完整显示，不裁切、不缓动，并排衬底 */
.detail-figure--portrait-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-items: start;
  background: transparent;
  overflow: visible;
  border-radius: 0;
}
.detail-figure--portrait-pair img {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  border-radius: 16px;
  animation: none;
}
.detail-figure--portrait-pair figcaption {
  grid-column: 1 / -1;
}
@keyframes kenburns {
  from { transform: scale(1) translateX(0); }
  to { transform: scale(1.09) translateX(-1.5%); }
}
@media (prefers-reduced-motion: reduce) {
  .detail-figure img { animation: none; }
}
@media (max-width: 860px) {
  .detail-figure { margin-top: 32px; border-radius: 20px; }
  .detail-figure img { aspect-ratio: 16 / 10; }
  .detail-figure video { aspect-ratio: 16 / 10; }
  .detail-figure--portrait-pair { grid-template-columns: 1fr; align-items: start; }
  .detail-figure--portrait-pair img { aspect-ratio: auto; object-fit: contain; }
}
/* 单张竖版肖像：原比例完整显示，不裁切、居中限宽 */
.detail-figure.detail-figure--single-portrait { background: transparent; border-radius: 0; overflow: visible; }
.detail-figure.detail-figure--single-portrait img {
  width: auto;
  max-width: min(460px, 100%);
  aspect-ratio: auto;
  object-fit: contain;
  border-radius: 16px;
  margin: 0 auto;
}
.detail-figure figcaption {
  margin-top: 10px;
  padding: 8px 14px;
  font-size: .82rem;
  line-height: 1.6;
  color: #8a7a6a;
  text-align: center;
  background: rgba(0,0,0,.03);
  border-radius: 12px;
}

/* ---------- AI 生成图角标（红文学图片合规 P1） ----------
   由 script.js 的 markAiImages() 注入到图片父容器；
   父容器的 position:relative 也由 JS 兜底设置。 */
/* AI 氛围图视觉弱化（仅白名单 AI 图加 class="ai-img"）：与真实历史照在视觉上区分，
   明确「艺术再现」定位。纯 CSS 实现，失败安全，不依赖 JS 加载。 */
.ai-img {
  filter: grayscale(.55) saturate(.88) contrast(.95);
}
.ai-badge {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: .72rem;
  line-height: 1.4;
  letter-spacing: .02em;
  color: #fff;
  background: rgba(18, 18, 22, .62);
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 999px;
  pointer-events: none;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.ai-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-right: 6px;
  border-radius: 50%;
  background: #ffd34d;
}
.ai-foot-note {
  width: 100%;
  margin: 0;
  font-size: .74rem;
  line-height: 1.5;
  color: #9a8f84;
}

.icp-beian-note {
  width: 100%;
  margin: 0;
  text-align: left;
  font-size: .74rem;
  color: #9a8f84;
}
.icp-beian-note a { color: inherit; text-decoration: underline; }

/* ============================================================
   新增组件：登录/注册、导航用户区、我的成绩、Toast、文档页
   （云接入与 AI 助手相关，统一追加，不改动既有样式）
   ============================================================ */

/* ---------- 导航栏用户区 ---------- */
.nav-user-area {
  display: flex;
  align-items: center;
}
.nav-login-btn {
  padding: 8px 20px;
  border-radius: 980px;
  background: var(--red);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  transition: background .2s ease, transform .2s ease;
}
.nav-login-btn:hover { background: #A80D27; transform: scale(1.03); }
.nav-login-btn:active { transform: scale(.97); }

.nav-user {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 980px;
  transition: background .2s ease;
}
.nav-user:hover { background: rgba(0,0,0,.05); }
.nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--red);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.nav-nick { font-size: 14px; color: var(--ink); font-weight: 500; max-width: 96px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-caret { font-size: 11px; color: var(--gray-3); }
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 148px;
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  box-shadow: 0 12px 32px rgba(0,0,0,.14);
  padding: 6px;
  display: flex;
  flex-direction: column;
  z-index: 60;
}
.nav-dropdown[hidden] { display: none; }
.nav-dropdown-item {
  text-align: left;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--ink);
  transition: background .15s ease;
}
.nav-dropdown-item:hover { background: var(--surface); }

/* ---------- 登录/注册弹窗（复用 .quiz-modal / .quiz-card） ---------- */
.rcs-auth-card { max-width: 400px; }
.rcs-auth-title { font-size: 26px; font-weight: 600; letter-spacing: -0.01em; margin: 6px 0 18px; }
.rcs-tabs { display: flex; gap: 8px; margin-bottom: 18px; }
.rcs-tab {
  flex: 1;
  padding: 10px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  background: var(--surface);
  color: var(--gray-2);
  transition: background .15s ease, color .15s ease;
}
.rcs-tab.active { background: var(--red); color: var(--white); }
.rcs-auth-form { display: flex; flex-direction: column; gap: 14px; }
.rcs-field { display: flex; flex-direction: column; gap: 6px; }
.rcs-field label { font-size: 13px; font-weight: 600; color: var(--gray-2); }
.rcs-field input {
  padding: 12px 14px;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color .2s ease;
}
.rcs-field input:focus { border-color: var(--red); }
.rcs-error { font-size: 13px; color: #C0271D; background: #FDEBEE; padding: 8px 12px; border-radius: 10px; }
.rcs-submit { margin-top: 4px; width: 100%; }
.rcs-switch { text-align: center; font-size: 13px; color: var(--gray-2); margin-top: 16px; }
.rcs-switch a { color: var(--red); font-weight: 600; }
.rcs-code-row { display: flex; gap: 8px; align-items: stretch; }
.rcs-code-row input { flex: 1; min-width: 0; }
.rcs-send-code { white-space: nowrap; padding: 0 14px; font-size: 13px; }
.rcs-sms-line { text-align: center; font-size: 13px; color: var(--gray-2); margin-top: -6px; }
.rcs-sms-line a { color: var(--red); font-weight: 600; }

/* ---------- 我的成绩面板 ---------- */
.rcs-scores-body { margin-top: 4px; }
.rcs-scores-loading, .rcs-scores-empty { font-size: 14px; color: var(--gray-2); text-align: center; padding: 28px 0; }
.rcs-best { font-size: 15px; color: var(--ink); margin-bottom: 14px; text-align: center; }
.rcs-best b { color: var(--red); font-size: 18px; }
.rcs-scores-list { list-style: none; display: flex; flex-direction: column; max-height: 320px; overflow-y: auto; }
.rcs-scores-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 4px;
  border-bottom: 1px solid var(--hairline);
  font-size: 14px;
}
.rcs-scores-list li:last-child { border-bottom: none; }
.sc-score { font-weight: 600; color: var(--ink); }
.sc-book { flex: 1; margin: 0 10px; font-size: 13px; color: var(--gray-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sc-date { font-size: 13px; color: var(--gray-3); }

/* ---------- 成绩排行榜（复用 .quiz-modal / .quiz-card） ---------- */
.rank-list { list-style: none; display: flex; flex-direction: column; max-height: 340px; overflow-y: auto; margin: 0; padding: 0; }
.rank-item { display: flex; align-items: center; gap: 10px; padding: 12px 4px; border-bottom: 1px solid var(--hairline); }
.rank-item:last-child { border-bottom: none; }
.rank-no { width: 30px; text-align: center; font-weight: 600; color: var(--gray-2); flex: none; }
.rank-item.top .rank-no { color: var(--red); font-size: 18px; }
.rank-name { flex: 1; font-size: 15px; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rank-score { font-weight: 600; color: var(--ink); flex: none; }
.rank-score small { color: var(--gray-3); font-weight: 400; }
.rank-dur { width: 72px; text-align: right; font-size: 13px; color: var(--gray-3); flex: none; }

/* ---------- Toast ---------- */
.rcs-toast {
  position: fixed;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%) translateY(20px);
  z-index: 400;
  background: rgba(29,29,31,.92);
  color: #fff;
  padding: 12px 22px;
  border-radius: 980px;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
}
.rcs-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- 文档页（关于 / 联系 / 常见问题） ---------- */
.doc-section { padding: 110px 24px 90px; max-width: 860px; margin: 0 auto; }
.doc-section .doc-lead { font-size: 18px; line-height: 1.8; color: var(--gray-2); }
.doc-section h2.doc-h2 { font-size: 30px; font-weight: 600; margin: 48px 0 18px; letter-spacing: -0.01em; }
.doc-section p.doc-p { font-size: 16px; line-height: 1.85; color: var(--ink); margin-bottom: 14px; }
.doc-section ul.doc-list { list-style: disc; padding-left: 22px; display: flex; flex-direction: column; gap: 10px; }
.doc-section ul.doc-list li { font-size: 15px; line-height: 1.7; color: var(--gray-2); }
.doc-section ul.doc-list li b { color: var(--ink); }

/* 联系表单 */
.contact-form { display: flex; flex-direction: column; gap: 16px; margin-top: 24px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label { font-size: 13px; font-weight: 600; color: var(--gray-2); }
.form-field input, .form-field textarea {
  padding: 12px 14px;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color .2s ease;
}
.form-field input:focus, .form-field textarea:focus { border-color: var(--red); }
.form-field textarea { resize: vertical; min-height: 120px; }
.form-error { font-size: 13px; color: #C0271D; min-height: 16px; }
.contact-note { font-size: 14px; color: var(--gray-3); margin-top: 12px; }
.contact-note a { color: var(--red); }

/* 常见问题 */
.faq-list { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }
.faq-item {
  border: 1px solid var(--hairline);
  border-radius: 16px;
  padding: 20px 22px;
  background: var(--white);
}
.faq-q { font-size: 17px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.faq-a { font-size: 15px; line-height: 1.8; color: var(--gray-2); }

/* ---------- 事件页相关阅读卡片 ---------- */
.rcs-related { padding: 90px 24px 40px; max-width: 1120px; margin: 0 auto; }
.rcs-related .h2 { font-size: 32px; margin: 8px 0 28px; letter-spacing: -0.01em; }
.rcs-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}
.rcs-related-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px;
  border: 1px solid var(--hairline);
  border-radius: 18px;
  background: var(--white);
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.rcs-related-card:hover {
  border-color: var(--red);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(200,16,46,.12);
}
.rcs-related-name { font-size: 19px; font-weight: 600; color: var(--ink); }
.rcs-related-desc { font-size: 14px; line-height: 1.6; color: var(--gray-2); }
.rcs-related-card .text-link { margin-top: 2px; }
@media (max-width: 860px) {
  .rcs-related { padding: 64px 24px 24px; }
  .rcs-related .h2 { font-size: 26px; }
}