:root {
  --bg: #0f0e0d;
  --bg-soft: #14120f;
  --surface: #1b1815;
  --surface-2: #23201c;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #f4f1ec;
  --text-muted: #a8a29a;
  --text-dim: #7b756d;
  --accent: #e5484d;
  --accent-soft: rgba(229, 72, 77, 0.16);
  --gold: #d9b98a;
  --radius: 18px;
  --radius-sm: 12px;
  --max-w: 1120px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-display: 'Playfair Display', Georgia, 'Songti SC', 'STSong', 'Noto Serif SC', serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* 噪点纹理 —— 给纯色增加一点胶片质感 */
.grain {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- 通用 ---------- */
.kicker {
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 12px;
}

/* ---------- 导航 ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: background 0.3s ease, border-color 0.3s ease, padding 0.3s ease;
  border-bottom: 1px solid transparent;
  padding: 6px 0;
}
.nav.is-scrolled {
  background: rgba(15, 14, 13, 0.72);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom-color: var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.3px;
}
.brand-mark {
  display: block;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}
.nav-links {
  display: flex;
  gap: 26px;
  margin-left: auto;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 15px;
  transition: color 0.2s ease;
}
.nav-links a:hover {
  color: var(--text);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  font-weight: 600;
  padding: 13px 24px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s var(--ease), box-shadow 0.2s ease, background 0.2s ease;
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
  font-size: 14px;
  padding: 9px 18px;
}
.btn-ghost:hover {
  border-color: var(--text-dim);
}
.nav .btn-ghost {
  background: #c73339;
  color: #fff;
  border-color: #c73339;
  box-shadow: 0 4px 18px rgba(199, 51, 57, 0.28);
}
.nav .btn-ghost:hover {
  background: #d83a40;
  border-color: #d83a40;
  box-shadow: 0 6px 22px rgba(199, 51, 57, 0.38);
}
.nav .btn-ghost:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

/* 城市页 hero 的主按钮 —— 实心白，和 .btn-store 同一视觉重量。
   .btn-store 是给商店按钮用的（font-size 11px，为两行「Download on the / App Store」设计），
   普通文案放进去字会太小，所以单独一个。 */
.btn-solid {
  background: #fff;
  color: #0f0e0d;
  font-size: 15px;
  padding: 12px 26px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}
.btn-solid:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.5);
}
.btn-play {
  font-size: 10px;
  line-height: 1;
}
.btn-store {
  background: #fff;
  color: #0f0e0d;
  text-align: left;
  font-size: 11px;
  line-height: 1.25;
  padding: 10px 20px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}
.btn-store:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.5);
}
.btn-store strong {
  font-size: 16px;
  font-weight: 700;
}
.btn-store .store-ico {
  width: 22px;
  height: 24px;
  flex-shrink: 0;
}
/* 商店未上架：置灰 + 禁点（pointer-events 一并拦掉 hover 上浮），
   等拿到真实链接后移除 is-disabled、恢复 store-text 与 href 即可。 */
.btn-store.is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 24px 80px;
  overflow: hidden;
  background: var(--bg);
}
/* 照片墙保持居中盒子的宽高，但四周用渐变淡出到背景色（无边框、无圆角切边） */
.hero-stage {
  position: relative;
  width: 100%;
  max-width: var(--max-w);
  min-height: min(620px, calc(100vh - 200px));
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 72px 40px;
  background-color: var(--bg);
  overflow: hidden;
  isolation: isolate;
}
/* 图片层：与容器同尺寸，图片按原比例 cover（保持原有构图） */
.hero-stage::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('assets/hero-wall.jpg?v=16') center center / cover no-repeat;
  z-index: 0;
}
/* 渐变层：按容器自身的宽高计算，盖在图片之上 */
.hero-stage::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image:
    /* 整体浅黑蒙层：压住照片，让标题文字更显眼 */
    linear-gradient(rgba(15, 14, 13, 0.44), rgba(15, 14, 13, 0.44)),
    /* 左右：边缘纯背景色 → 往图片中间再扩展后到「无蒙层」 */
    linear-gradient(
      to right,
      var(--bg) 0%,
      rgba(15, 14, 13, 0) 30%,
      rgba(15, 14, 13, 0) 70%,
      var(--bg) 100%
    ),
    /* 上下：同样短距离，从边缘直接渐变到背景色 */
    linear-gradient(
      to bottom,
      var(--bg) 0%,
      rgba(15, 14, 13, 0) 9%,
      rgba(15, 14, 13, 0) 91%,
      var(--bg) 100%
    );
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 660px;
  margin: 0 auto;
  animation: heroIn 1s var(--ease) both;
}
.hero-app-icon {
  display: block;
  width: 104px;
  height: 104px;
  margin: 0 auto 22px;
  border-radius: 24px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.06);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 24px;
}

/* 胶囊只包文字。图标在框外，由 .eyebrow 的 flex 对齐。 */
.eyebrow-pill {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 4px;
  line-height: 1.4;
  color: var(--gold);
  padding: 8px 18px;
  border: 1px solid rgba(217, 185, 138, 0.35);
  border-radius: 999px;
  background: rgba(15, 14, 13, 0.35);
  backdrop-filter: blur(6px);
}

/* 应用图标，放在胶囊外面。
   app-icon-144.png 是从 app-icon.png(512) 降采样来的：48px 在 3x 屏上要 144 设备像素，
   用 favicon.png(64) 会糊。24KB，比直接上 512 的 244KB 轻得多。 */
.eyebrow-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  flex: none;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
}

/* 窄屏时文案折成两行。用 display:block 切行，不用 <br> ——
   实测 Chrome 里 <br> 的 display:none → inline 切换不生效。 */
@media (max-width: 480px) {
  .eb-l1,
  .eb-l2 {
    display: block;
  }
}
.hero-title {
  font-weight: 800;
  font-size: clamp(52px, 10vw, 96px);
  line-height: 1;
  margin: 0;
  letter-spacing: -1px;
  text-shadow: 0 4px 40px rgba(0, 0, 0, 0.5);
}
.hero-category {
  margin: 18px 0 0;
  color: #ffffff;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 600;
  letter-spacing: 2.4px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.75);
}
.slogan {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(14px, 1.8vw, 17px);
  letter-spacing: 0.3px;
  color: rgba(255, 255, 255, 0.72);
  margin: 12px 0 0;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8), 0 1px 34px rgba(0, 0, 0, 0.65);
}
.hero-sub {
  color: rgba(255, 255, 255, 0.74);
  font-size: clamp(15px, 2vw, 18px);
  margin: 18px auto 0;
  /* 放宽到 640px，让整句在一行内排完，避免折出一个三词短尾行 */
  max-width: 640px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.85), 0 1px 3px rgba(0, 0, 0, 0.6);
}
.hero-cta,
.store-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}
.hero-cta {
  margin-top: 40px;
}
.hero-inner .download-offer,
.download-inner .download-offer,
.dl-panel .download-offer {
  margin: 16px 0 0;
  color: var(--text);
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 600;
  line-height: 1.4;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.85);
}
.download-offer strong {
  font-weight: 800;
}
.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-dim);
  font-size: 18px;
  animation: float 2.4s ease-in-out infinite;
}

/* ---------- 区块 ---------- */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 100px 24px;
}
.section-head {
  text-align: center;
  margin-bottom: 56px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(30px, 5vw, 44px);
  margin: 0;
}
.section-sub {
  color: var(--text-muted);
  margin: 14px 0 0;
  font-size: 17px;
}
.about-copy {
  max-width: 760px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 17px;
  line-height: 1.75;
}
.about-copy p {
  margin: 0 0 18px;
}
.about-links {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 28px;
  font-size: 14px;
}
.about-links a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.about-links a:hover {
  color: var(--accent);
}

/* ---------- 故事卡片（左右滑动，文字为主、图片从简） ---------- */
.story-rail {
  display: flex;
  gap: 26px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  padding: 6px 0 26px;
  margin: 0 -6px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  cursor: grab;
}
.story-rail.is-dragging {
  cursor: grabbing;
  user-select: none;
}
.story-rail.is-dragging * {
  cursor: grabbing !important;
}
.story-rail::-webkit-scrollbar {
  display: none;
}
.story-card {
  position: relative;
  flex: 0 0 min(560px, 84vw);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 28px 30px 30px;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s ease;
}
.story-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.5);
}
/* 头部：小缩略图 + 城市 + 标题 */
.story-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
/* 缩略图刻意做小：源图分辨率不高，放大就露怯 */
.story-thumb {
  flex: 0 0 68px;
  width: 68px;
  height: 68px;
  border-radius: 14px;
  object-fit: cover;
  display: block;
  background: var(--surface-2);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}
.story-headtext {
  min-width: 0;
}
.story-city {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 5px;
}
.story-title {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  margin: 0;
}
/* 正文：卡片的主角 */
.story-text {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
  margin: 0 0 26px;
  flex: 1;
}
.story-play {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  background: var(--accent-soft);
  border: 1px solid rgba(229, 72, 77, 0.35);
  color: var(--accent);
  border-radius: 999px;
  padding: 12px 26px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  align-self: flex-start;
}
.story-play:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.story-play.is-playing {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.story-play.is-disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.story-meta {
  color: var(--text-dim);
  font-size: 12.5px;
  margin-left: 10px;
}

/* 当前试听：离开故事卡片后仍可控制播放。 */
.mini-player {
  position: fixed;
  right: 20px;
  bottom: calc(20px + env(safe-area-inset-bottom, 0px));
  z-index: 120;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  width: min(360px, calc(100vw - 32px));
  padding: 10px;
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  background: rgba(27, 24, 21, 0.96);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(16px);
}
.mini-player[hidden] {
  display: none;
}
.mini-player-cover {
  width: 56px;
  height: 56px;
  flex: 0 0 56px;
  border-radius: 10px;
  object-fit: cover;
}
.mini-player-info {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}
.mini-player-status {
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}
.mini-player-title {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
}
.mini-player-control {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--text);
  font-size: 16px;
  cursor: pointer;
}
.mini-player-control:hover {
  border-color: var(--gold);
}
.mini-player-close {
  background: transparent;
  color: var(--text-muted);
  font-size: 22px;
  line-height: 1;
}
.mini-player-timeline {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 100%;
  padding: 0 4px 2px;
}
.mini-player-time {
  min-width: 35px;
  color: var(--text-muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  text-align: center;
}
.mini-player-seek {
  --seek-progress: 0%;
  flex: 1;
  min-width: 0;
  height: 4px;
  margin: 0;
  border-radius: 999px;
  appearance: none;
  background: linear-gradient(to right, var(--gold) var(--seek-progress), var(--border-strong) var(--seek-progress));
  cursor: pointer;
}
.mini-player-seek::-webkit-slider-thumb {
  width: 12px;
  height: 12px;
  border: 0;
  border-radius: 50%;
  appearance: none;
  background: var(--gold);
}
.mini-player-seek::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: 0;
  border-radius: 50%;
  background: var(--gold);
}
.mini-player-seek:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 5px;
}
@media (max-width: 480px) {
  .mini-player {
    right: 16px;
    left: 16px;
    width: auto;
    gap: 9px;
  }
  .mini-player-cover {
    width: 48px;
    height: 48px;
    flex-basis: 48px;
  }
}

/* 最后一张：手写便签 —— 写总故事数，点了弹下载 */
.story-card-note {
  flex: 0 0 min(320px, 72vw);
  align-items: center;
  justify-content: center;
  text-align: center;
  background: transparent;
  border: 1px dashed rgba(217, 185, 138, 0.32);
  cursor: pointer;
}
.story-card-note:hover {
  border-color: rgba(217, 185, 138, 0.6);
  background: rgba(217, 185, 138, 0.04);
  transform: translateY(-6px);
  box-shadow: none;
}
.note-big {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(38px, 5vw, 52px);
  line-height: 1.05;
  color: var(--gold);
  margin: 0;
}
.note-sub {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 12px 0 0;
}
.note-cta {
  display: inline-block;
  margin-top: 22px;
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(217, 185, 138, 0.4);
  padding-bottom: 2px;
}
.story-card-note:hover .note-cta {
  color: var(--gold);
}

/* ---------- 下载弹窗 ---------- */
.dl-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.dl-modal[hidden] {
  display: none;
}
.dl-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(8px);
}
.dl-panel {
  position: relative;
  width: 100%;
  max-width: 460px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 24px;
  padding: 44px 36px 36px;
  text-align: center;
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.7);
  animation: heroIn 0.35s var(--ease) both;
}
.dl-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.dl-close:hover {
  color: var(--text);
  border-color: var(--text-dim);
}
.dl-icon {
  width: 84px;
  height: 84px;
  border-radius: 20px;
  margin: 0 auto 18px;
  display: block;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}
.dl-panel h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 8px;
}
.dl-panel p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.6;
  margin: 0 0 26px;
}
.dl-panel .store-row {
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
}
.dl-panel .btn-store {
  width: 100%;
  min-height: 62px;
  justify-content: center;
  text-align: center;
}

/* 左右滑动的提示箭头 */
.story-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 4px;
}
.story-nav button {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text);
  font-size: 17px;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}
.story-nav button:hover:not(:disabled) {
  background: var(--surface-2);
  border-color: var(--text-dim);
}
.story-nav button:disabled {
  opacity: 0.3;
  cursor: default;
}

/* ---------- 应用截图（一图一段） ---------- */
.showcase {
  padding-bottom: 24px;
}
.feature-row {
  display: grid;
  grid-template-columns: 300px 1fr;
  align-items: center;
  gap: 64px;
  padding: 44px 0;
}
.feature-shot {
  display: flex;
  justify-content: center;
}
.shot-frame {
  position: relative;
  width: 100%;
  max-width: 300px;
  padding: 9px;
  border-radius: 42px;
  background: linear-gradient(160deg, #3b352e 0%, #15120e 100%);
  box-shadow:
    0 30px 70px rgba(0, 0, 0, 0.6),
    inset 0 0 0 1px rgba(255, 255, 255, 0.09);
  transition: transform 0.4s var(--ease);
}
.feature-row:hover .shot-frame {
  transform: translateY(-6px);
}
/* 灵动岛 */
.shot-frame::after {
  content: '';
  position: absolute;
  top: 21px;
  left: 50%;
  transform: translateX(-50%);
  width: 30%;
  height: 20px;
  border-radius: 999px;
  background: #000;
  z-index: 2;
}
.shot-frame img {
  display: block;
  width: 100%;
  aspect-ratio: 1170 / 2532;
  object-fit: cover;
  border-radius: 34px;
  background: #16130f;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}
.feature-copy h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(26px, 3.6vw, 36px);
  line-height: 1.2;
  margin: 6px 0 14px;
}
.feature-copy p {
  color: var(--text-muted);
  /* 17.5px/580px：这一列实际有 708px，原来 15.5px/480px 会缩在一角 */
  font-size: 17.5px;
  line-height: 1.8;
  margin: 0 0 22px;
  max-width: 580px;
}
.feature-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.feature-points li {
  position: relative;
  padding-left: 24px;
  color: var(--text);
  /* 17px：要点要比它上面的正文重，原来 14.5px 比正文 15.5px 还小，主次颠倒了 */
  font-size: 17px;
}
.feature-points li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- 下载 ---------- */
.download {
  text-align: center;
}
.download-inner {
  background:
    radial-gradient(ellipse 60% 80% at 50% 0%, rgba(229, 72, 77, 0.1), transparent 70%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 72px 24px;
}
.download-app-icon {
  display: block;
  width: 112px;
  height: 112px;
  margin: 0 auto 24px;
  border-radius: 26px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.06);
}
.download-inner h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 4vw, 40px);
  margin: 0 0 12px;
}
.download-inner p {
  color: var(--text-muted);
  margin: 0 0 32px;
  font-size: 17px;
}

/* ---------- 页脚 ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 60px 24px;
  text-align: center;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 20px;
}
.footer-slogan {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--text-muted);
  font-size: 16px;
  margin: 12px 0 24px;
}
/* 城市页静态互链。放 footer 是为了让 5 个城市页有不依赖 JS 的入口 ——
   city-grid 是 script.js 运行时渲染的，原始 HTML 里没有任何指向城市页的链接。 */
.footer-cities {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-bottom: 26px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--border);
}
.footer-cities a {
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--text-muted);
  transition: color 0.2s ease;
}
.footer-cities a:hover {
  color: var(--gold);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 14px;
  transition: color 0.2s ease;
}
.footer-links a:hover {
  color: var(--text);
}
.footer-copy {
  color: var(--text-dim);
  font-size: 13px;
  margin: 0;
}

/* ---------- 通用页面（隐私/支持） ---------- */
.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 120px 24px 96px;
}
.page h1 {
  font-family: var(--font-display);
  font-size: 36px;
  margin: 0 0 8px;
}
.page .updated {
  color: var(--text-dim);
  font-size: 14px;
  margin: 0 0 36px;
}
.page h2 {
  font-size: 20px;
  margin: 34px 0 10px;
}
.page h3 {
  color: var(--text);
  font-size: 16px;
  line-height: 1.45;
  margin: 22px 0 4px;
}
.page p,
.page li {
  color: var(--text-muted);
  font-size: 16px;
}
.page a {
  color: var(--accent);
}

/* ---------- 动效 ---------- */
/* 滚动到视口时从上往下渐现（translateY 从负值落到 0）。 */
.reveal {
  opacity: 0;
  transform: translateY(-26px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* feature 卡片：行本身只当触发点（不动），图片和文字各自错开渐现。
   用整行触发而不是各挂 .reveal，是因为图片比文字高，各自的 12% 阈值
   触发时间会随高度漂移，错开间隔不可控。 */
.feature-row.reveal {
  opacity: 1;
  transform: none;
  transition: none;
}
.feature-row .feature-shot,
.feature-row .feature-copy {
  opacity: 0;
  transform: translateY(-26px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.feature-row.reveal.is-visible .feature-shot,
.feature-row.reveal.is-visible .feature-copy {
  opacity: 1;
  transform: none;
}
.feature-row.reveal.is-visible .feature-copy {
  transition-delay: 0.14s;
}

/* 尊重系统的「减少动态效果」设置 */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .feature-row .feature-shot,
  .feature-row .feature-copy {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@keyframes heroIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes float {
  0%,
  100% {
    transform: translate(-50%, 0);
  }
  50% {
    transform: translate(-50%, -8px);
  }
}

@media (max-width: 900px) {
  .feature-row {
    grid-template-columns: 240px 1fr;
    gap: 40px;
  }
}
@media (max-width: 780px) {
  /* 截图与文字改为上下排列，截图在前 */
  .feature-row {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 32px 0;
    justify-items: center;
    text-align: center;
  }
  .feature-copy p {
    margin-left: auto;
    margin-right: auto;
  }
  .feature-points {
    justify-content: center;
    text-align: left;
  }
  .shot-frame {
    max-width: 240px;
  }
  .story-card {
    flex: 0 0 min(420px, 84vw);
  }
}
@media (max-width: 640px) {
  .nav-links {
    display: none;
  }
  .hero {
    min-height: 92vh;
    padding: 80px 16px 64px;
  }
  .section {
    padding: 72px 20px;
  }
  .shot-frame {
    max-width: 210px;
  }
  .story-card {
    flex: 0 0 84vw;
  }
}

/* 三行排的 section 导语：每个 span 独占一行，保持语义上仍是一个 h2。
   字号比标准 h2 低一档 —— 三行居中排布时 44px 会压过下方截图，
   而且三行长短不齐，字越大越显得晃。降到 30px 上限后读起来是「一段导语」。 */
.section-head h2.section-lead {
  font-size: clamp(21px, 3.2vw, 30px);
  font-weight: 500;
  line-height: 1.5;
}
.section-head h2.section-lead span {
  display: block;
}

/* ---------- 城市卡（首页 Cities section） ---------- */
.city-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
}
.city-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 26px 26px 24px;
  display: flex;
  flex-direction: column;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s ease;
}
.city-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.5);
}
.city-card:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
.city-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 26px;
  margin: 0 0 12px;
}
.city-stat {
  margin: 0;
  font-size: 14px;
  color: var(--text-dim);
}
/* 第三块：这批故事讲什么。标签从真实标题归纳，每城不同。
   比地标浅一档 —— 地标是可核对的事实，风格是描述。 */
.city-about {
  margin: 8px 0 22px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-muted);
  flex: 1;
}
/* 第二块：覆盖的重要地标。回答的是读者真正的问题「我要去的地方它有没有」，
   是卡上最具体、最可核对的信息，所以放在风格之前、颜色不打折。
   卡片内只用 --text / --text-muted / --text-dim 这套同色相阶梯，
   不掺 --gold —— 那是另一个色系，进来就和灰色阶梯打架。 */
.city-highlights {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text);
}
.city-blurb {
  margin: 16px 0 22px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.62;
  flex: 1;
}
.city-link {
  margin-top: auto;
  align-self: flex-start;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 2px;
  transition: color 0.25s ease, border-color 0.25s ease;
}
.city-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.city-link-arrow {
  display: inline-block;
  transition: transform 0.25s var(--ease);
}
.city-link:hover .city-link-arrow {
  transform: translateX(4px);
}

/* 网格最后一张：不是城市，是「还在继续做」的说明。
   靠虚线边框 + 透明底区分就够了，文字用正常色 ——
   压暗是「可以跳过」的语义，而这张卡恰恰是要人读的。 */
.city-card-more {
  background: transparent;
  border-style: dashed;
}
.city-card-more:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--border);
}
.city-card-more .city-blurb {
  margin-bottom: 0;
  color: var(--text);
  flex: 0;
}

@media (max-width: 640px) {
  .city-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .city-card {
    padding: 22px 22px 20px;
  }
  .city-name {
    font-size: 23px;
  }
}

/* ---------- 首页：截图首屏与城市横栏 ---------- */
.hero {
  min-height: 0;
  padding: 94px 24px 20px;
}
.hero-stage {
  min-height: 0;
  max-width: 1180px;
  padding: 18px 24px 24px;
  overflow: hidden;
}
.hero-stage::after {
  background-image:
    linear-gradient(rgba(15, 14, 13, 0.69), rgba(15, 14, 13, 0.69)),
    linear-gradient(to right, var(--bg), transparent 25%, transparent 75%, var(--bg)),
    linear-gradient(to bottom, var(--bg), transparent 12%, transparent 88%, var(--bg));
}
.hero-inner {
  max-width: 100%;
  width: 100%;
}
.hero-title {
  max-width: none;
  margin: 0 auto;
  font-family: var(--font-display);
  font-size: clamp(36px, 4.3vw, 56px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.025em;
}
.hero-category {
  margin: 0;
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
}
.hero .slogan {
  margin-top: 13px;
  color: var(--text-muted);
  font-size: 17px;
}
.hero-screens {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: clamp(14px, 4vw, 52px);
  margin: 24px auto 0;
}
.hero-screen {
  width: clamp(140px, 17vw, 205px);
  margin: 0;
}
.hero-screen .shot-frame {
  max-width: none;
  padding: 6px;
  border-radius: 30px;
}
.hero-screen .shot-frame img {
  height: auto;
  border-radius: 25px;
}
.hero-screen .shot-frame::after {
  top: 15px;
  height: 13px;
}
.hero-screen figcaption {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 13px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}
.cities {
  padding-top: 24px;
}
.city-overview {
  margin: 0 0 30px;
  font-family: var(--font-sans);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 500;
  line-height: 1.3;
  text-align: center;
}
.city-overview strong {
  color: var(--gold);
  font-weight: 700;
}
.cities,
.stories,
.about,
.download {
  scroll-margin-top: 88px;
}
.cities .city-name,
.cities .city-numbers strong {
  font-family: var(--font-sans);
}
.city-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.city-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(220px, 0.65fr) minmax(0, 1.65fr);
  align-items: center;
  gap: 34px;
  min-height: 220px;
  padding: 30px;
}
.city-card::before {
  content: '';
  position: absolute;
  z-index: 0;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(27, 24, 21, 0.45) 0%, rgba(27, 24, 21, 0.72) 32%, var(--surface) 56%),
    var(--city-photo, url('assets/hero-wall.jpg?v=16'));
  background-size: 100% 100%, 62% auto;
  background-position: left center;
  background-repeat: no-repeat;
}
.city-card > * {
  position: relative;
  z-index: 1;
}
.city-index {
  display: block;
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 2px;
  margin-bottom: 9px;
}
.city-card .city-name {
  margin: 0 0 5px;
  font-size: clamp(27px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.2;
}
.city-card-content {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.city-story {
  max-width: 700px;
  margin: 0;
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
}
.city-card-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}
.city-numbers {
  display: flex;
  gap: clamp(18px, 3vw, 38px);
}
.city-numbers p {
  display: flex;
  flex-direction: column;
  margin: 0;
  min-width: 64px;
}
.city-numbers strong {
  color: var(--text);
  font-size: clamp(25px, 2.5vw, 32px);
  font-weight: 700;
  line-height: 1.1;
}
.city-numbers span {
  color: var(--gold);
  font-size: 11px;
  white-space: nowrap;
}
.city-card .city-link {
  max-width: 170px;
  margin: 0;
  color: var(--text);
  font-size: 13px;
  line-height: 1.5;
}
.city-card .city-link span {
  display: inline-block;
  transition: transform 0.2s ease;
}
.city-card:hover .city-link span,
.city-card:focus-visible .city-link span {
  transform: translateX(4px);
}

/* 下载放在内容之后，复用原首屏的照片宫格。 */
.download {
  max-width: none;
  padding: 80px 24px 100px;
}
.download-inner {
  position: relative;
  isolation: isolate;
  max-width: var(--max-w);
  margin: 0 auto;
  overflow: hidden;
  background: var(--bg);
  padding: 88px 24px;
}
.download-inner::before {
  content: '';
  position: absolute;
  z-index: -2;
  inset: 0;
  background: url('assets/hero-wall.jpg?v=16') center / cover no-repeat;
}
.download-inner::after {
  content: '';
  position: absolute;
  z-index: -1;
  inset: 0;
  background: rgba(15, 14, 13, 0.72);
}
.download-inner p:not(.kicker) {
  color: var(--text);
}

@media (max-width: 900px) {
  .city-card {
    grid-template-columns: minmax(165px, 0.7fr) minmax(0, 1.5fr);
    gap: 24px;
  }
  .city-card-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }
}
@media (max-width: 640px) {
  .hero {
    min-height: 0;
    padding: 96px 12px 12px;
  }
  .hero-stage {
    padding: 12px 4px 20px;
  }
  .hero-title {
    font-size: clamp(29px, 8vw, 38px);
  }
  .hero-title span {
    display: block;
  }
  .hero-category {
    font-size: 10px;
    letter-spacing: 1.8px;
  }
  .hero .slogan {
    max-width: 330px;
    margin: 12px auto 0;
    font-size: 14px;
  }
  .hero-screens {
    gap: 8px;
    margin-top: 22px;
  }
  .hero-screen {
    width: min(30vw, 160px);
  }
  .hero-screen .shot-frame {
    padding: 4px;
    border-radius: 19px;
  }
  .hero-screen .shot-frame img {
    border-radius: 15px;
  }
  .hero-screen .shot-frame::after {
    top: 10px;
    height: 8px;
  }
  .hero-screen figcaption {
    font-size: 10px;
    letter-spacing: 0.6px;
  }
  .cities {
    padding-top: 12px;
  }
  .city-overview {
    margin-bottom: 22px;
    font-size: 23px;
  }
  .city-card {
    display: block;
    min-height: 0;
    padding: 24px;
  }
  .city-card::before {
    background-image:
      linear-gradient(to bottom, rgba(27, 24, 21, 0.45) 0, var(--surface) 175px),
      linear-gradient(to right, rgba(27, 24, 21, 0.3), rgba(27, 24, 21, 0.85)),
      var(--city-photo, url('assets/hero-wall.jpg?v=16'));
    background-size: 100% 100%, 100% 100%, cover;
  }
  .city-card-content {
    gap: 18px;
    margin-top: 18px;
  }
  .city-story {
    font-size: 14px;
  }
  .city-card-bottom {
    gap: 16px;
  }
  .city-numbers {
    gap: 8px;
    justify-content: space-between;
    width: 100%;
  }
  .city-numbers p {
    min-width: 0;
  }
  .city-numbers strong {
    font-size: clamp(25px, 7vw, 31px);
  }
  .city-numbers span {
    font-size: 10px;
  }
  .city-card .city-link {
    display: inline-block;
    max-width: none;
  }
  .download {
    padding: 50px 20px 72px;
  }
  .download-inner {
    padding: 66px 20px;
  }
}

/* ---------- 城市页 ---------- */
.city-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 104px max(24px, calc((100vw - 1072px) / 2)) 34px;
  background: var(--surface);
}
.city-hero::before {
  content: '';
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image: linear-gradient(to right, rgba(15, 14, 13, 0.96) 0%, rgba(15, 14, 13, 0.82) 55%, rgba(15, 14, 13, 0.28) 100%), var(--city-hero-image);
  background-size: cover;
  background-position: center;
}
.city-hero h1 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(34px, 5vw, 54px);
  margin: 0;
  line-height: 1.1;
}
.city-stats {
  margin: 12px 0 0;
  font-size: 15px;
  color: var(--gold);
  letter-spacing: 0.02em;
}
.city-intro {
  max-width: 710px;
  margin: 16px 0 0;
  font-size: 18px;
  line-height: 1.55;
  color: var(--text);
}
.city-story-style {
  max-width: 710px;
  margin: 8px 0 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.55;
}
.city-section {
  padding-top: 72px;
  padding-bottom: 72px;
}
.city-signature-section {
  padding-top: 28px;
  padding-bottom: 56px;
  scroll-margin-top: 88px;
}
.signature-section-intro {
  margin: 0 0 24px;
}
.signature-section-intro .kicker {
  margin-bottom: 5px;
}
.signature-section-intro p:last-child {
  max-width: 720px;
  margin: 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.6;
}
.signature-list {
  display: grid;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.signature-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(220px, 0.65fr) minmax(0, 1.65fr);
  align-items: center;
  gap: 34px;
  min-height: 280px;
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--surface);
}
.signature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(27, 24, 21, 0.45) 0%, rgba(27, 24, 21, 0.72) 32%, var(--surface) 56%),
    var(--signature-image);
  background-size: 100% 100%, 62% auto;
  background-position: left center;
  background-repeat: no-repeat;
}
.signature-card.is-active::before {
  background-size: 100% 100%, cover;
}
.signature-card > * {
  position: relative;
  z-index: 1;
}
.signature-card h3 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(27px, 3vw, 34px);
  line-height: 1.2;
}
.signature-card-content {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.signature-hook {
  max-width: 700px;
  margin: 0;
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
}
.signature-card-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}
.signature-chapter-preview {
  min-width: 0;
}
.signature-chapter {
  margin: 0 0 7px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
}
.signature-excerpt {
  max-height: calc(1.55em * 3);
  overflow: hidden;
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.55;
  white-space: pre-line;
  -webkit-mask-image: linear-gradient(#000 58%, transparent);
  mask-image: linear-gradient(#000 58%, transparent);
  transition: max-height 0.55s var(--ease);
}
.signature-card.is-active .signature-card-bottom {
  align-items: flex-start;
}
.signature-card.is-active .signature-excerpt {
  max-height: var(--excerpt-full-height);
  -webkit-mask-image: none;
  mask-image: none;
}
@media (prefers-reduced-motion: reduce) {
  .signature-excerpt {
    transition: none;
  }
}
.signature-play {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  gap: 9px;
  border: 0;
  border-bottom: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text);
  padding: 0 0 3px;
  font: 500 13px var(--font-sans);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.signature-play:hover {
  color: var(--gold);
  border-color: var(--gold);
}
.signature-play:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
.signature-play-icon {
  font-size: 11px;
}
.signature-chapter-count {
  color: var(--gold);
}
@media (max-width: 900px) {
  .signature-card {
    grid-template-columns: minmax(165px, 0.7fr) minmax(0, 1.5fr);
    gap: 24px;
  }
  .signature-card-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }
}
@media (max-width: 640px) {
  .signature-card {
    display: block;
    min-height: 0;
    padding: 24px;
  }
  .signature-card::before {
    background-image:
      linear-gradient(to bottom, rgba(27, 24, 21, 0.45) 0, var(--surface) 175px),
      linear-gradient(to right, rgba(27, 24, 21, 0.3), rgba(27, 24, 21, 0.85)),
      var(--signature-image);
    background-size: 100% 100%, 100% 100%, cover;
  }
  .signature-card-content {
    gap: 18px;
    margin-top: 18px;
  }
  .signature-hook {
    font-size: 14px;
  }
}

/* 覆盖清单 */
.coverage {
  display: grid;
  gap: 26px 34px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.coverage-area h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 19px;
  margin: 0 0 8px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.coverage-count {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 9px;
  font-weight: 400;
}
.coverage-names {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-muted);
}

/* 精品故事清单 */
.sig-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
}
.sig-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.sig-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  margin: 0 0 8px;
}
.sig-hook {
  margin: 0;
  font-size: 15px;
  line-height: 1.62;
  color: var(--text-muted);
}

/* 实用说明 + CTA */
.practical {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 760px;
  display: grid;
  gap: 14px;
}
.practical li {
  font-size: 16px;
  line-height: 1.66;
  color: var(--text-muted);
  border-left: 2px solid var(--border-strong);
  padding-left: 18px;
}
.practical strong {
  color: var(--text);
  font-weight: 600;
}
.city-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-top: 44px;
}

/* 故事目录 —— 按区域分组，每张卡是一个地标上的一个故事 */
.area-group {
  margin-bottom: 46px;
}
.area-group:last-child {
  margin-bottom: 0;
}
.area-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 20px;
}
.area-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 23px;
  margin: 0;
}
.area-meta {
  font-size: 13px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}
.area-meta a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}
.area-more {
  font-size: 14px;
  color: var(--text-dim);
  margin: 16px 0 0;
}

.story-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
}
.story {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 20px 16px;
}
.story-spot {
  margin: 0 0 9px;
  font-size: 11px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--gold);
}
.story-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.36;
  margin: 0 0 9px;
}
.story-hook {
  margin: 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--text-muted);
}
.story-time {
  display: inline-block;
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

/* 主题分层 —— 这里只回答「为什么这座城市值得听」。
   不放通用旅游 guide 信息（玩多久、几点去、周几闭馆、怎么坐车）：
   那些会过期，而且一个人维护 5 个城市，写了没人更新。 */
.layers {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 28px 40px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.layer h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 21px;
  margin: 0 0 10px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.layer p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
}

@media (max-width: 640px) {
  .city-hero {
    padding: 92px 20px 28px;
  }
  .city-hero::before {
    background-image: linear-gradient(to bottom, rgba(15, 14, 13, 0.7), rgba(15, 14, 13, 0.95)), var(--city-hero-image);
  }
  .city-intro {
    font-size: 16px;
  }
  .coverage,
  .sig-list,
  .story-list {
    grid-template-columns: 1fr;
  }
  .area-head {
    gap: 8px;
  }
  .area-name {
    font-size: 20px;
  }
}