/* ============================================================
   main.css — 主页样式
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: .005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color .3s var(--ease), color .3s var(--ease);
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -.03em; line-height: 1.12; }
p { margin: 0; }
ul, ol, dl, dd, dt { margin: 0; padding: 0; }
li { list-style: none; }
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; }

::selection { background: var(--pop-b); color: #14161A; }

:focus-visible {
  outline: 2.5px solid var(--brand);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 布局基础 ---------- */

.container {
  width: 100%;
  max-width: var(--w-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--bg);
  border-radius: 0 0 var(--r-sm) 0;
}
.skip:focus { left: 0; }

.eyebrow {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ---------- 导航 ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(246, 244, 239, .84);
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid var(--line);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: var(--nav-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  letter-spacing: -.02em;
  flex: none;
}

.brand__mark {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--brand);
  box-shadow: 8px 8px 0 -3px var(--pop-a);
  transition: box-shadow var(--dur) var(--ease);
}
.brand:hover .brand__mark { box-shadow: 6px 6px 0 -2px var(--pop-a); }

.theme-toggle {
  margin-left: auto;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  color: var(--ink-2);
  flex: none;
  transition: border-color .2s, color .2s, transform .2s var(--ease);
}
.theme-toggle:hover { color: var(--ink); border-color: var(--ink-3); transform: rotate(-12deg); }


/* ---------- Hero ---------- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  align-items: center;
  gap: clamp(32px, 4vw, 64px);
  padding-block: clamp(56px, 9vw, 120px) clamp(56px, 8vw, 104px);
}

.hero__copy { max-width: 42rem; }

.hero h1 {
  font-size: clamp(2.35rem, 5.6vw, 4.15rem);
  letter-spacing: -.042em;
  line-height: 1.04;
  margin-top: 18px;
}

.hero h1 mark {
  background: linear-gradient(transparent 64%, var(--pop-b) 64%);
  color: var(--brand);
  white-space: nowrap;
}

/* 深色下不能照搬明黄实底：亮黄条会把字的下半截糊成一道色块，
   浅蓝字压明黄上对比也只有 2 出头，看着发闷。
   改成「亮黄字 + 半透明黄底」——仍是荧光笔，但字形完整、对比够。 */
[data-theme="dark"] .hero h1 mark {
  color: var(--pop-b);
  background: linear-gradient(transparent 64%,
              color-mix(in srgb, var(--pop-b) 30%, transparent) 64%);
}

/* ---------- 今日日报卡 ----------
   纯 CSS 画的报纸缩略，零图片。点击进 reports/latest.html（n8n 每日覆盖）。 */

.daily {
  position: relative;
  padding: 20px 22px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  /* 偏移的实色底板 = 全卡唯一装饰 */
  box-shadow: 12px 12px 0 -1px var(--pop-b), var(--shadow-1);
  transition: transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}

.daily:hover {
  transform: translate(-2px, -2px);
  border-color: var(--line-strong);
  box-shadow: 16px 16px 0 -1px var(--pop-b), var(--shadow-2);
}

/* 深色下满饱和的黄底板压在近黑底上会抢主视觉（和标题里的黄撞成一团）：
   透明度收到 75%、偏移 12 → 10，让它退成一层暗金边而不是一块亮黄板。 */
[data-theme="dark"] .daily {
  box-shadow: 10px 10px 0 -1px color-mix(in srgb, var(--pop-b) 75%, transparent),
              var(--shadow-2);
}
[data-theme="dark"] .daily:hover {
  box-shadow: 13px 13px 0 -1px color-mix(in srgb, var(--pop-b) 75%, transparent),
              var(--shadow-2);
}

.daily:focus-within {
  outline: 2px solid var(--brand);
  outline-offset: 5px;
}

.daily__hit {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
}

/* 顶部双色渐变条，与作品卡同一语言 */
.daily::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  background: linear-gradient(90deg, var(--brand), var(--pop-a));
}

.daily__head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--line);
}

.daily__icon { color: var(--brand); flex: none; }

.daily__kicker {
  margin: 0;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--ink);
}

.daily__date {
  margin-left: auto;
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

.daily__lead {
  margin: 14px 0 0;
  font-size: 1.22rem;
  font-weight: 800;
  line-height: 1.34;
  letter-spacing: -.022em;
  color: var(--ink);
}

.daily__mini {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  height: 108px;
  margin: 14px 0;
  padding-top: 12px;
  border-top: 2px solid var(--ink);
}

/* 每栏用重复渐变画出"正文行"，底部渐隐 = 缩略感 */
.daily__col {
  display: flex;
  flex-direction: column;
  padding-right: 11px;
  background-image: repeating-linear-gradient(
    to bottom,
    var(--line-strong) 0 2px,
    transparent 2px 9px
  );
  -webkit-mask-image: linear-gradient(to bottom, #000 86%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 86%, transparent 100%);
}

/* 三栏底部参差，避免整齐得像表格 */
.daily__col:nth-child(2) {
  -webkit-mask-image: linear-gradient(to bottom, #000 74%, transparent 92%);
  mask-image: linear-gradient(to bottom, #000 74%, transparent 92%);
}

.daily__col:nth-child(3) {
  -webkit-mask-image: linear-gradient(to bottom, #000 80%, transparent 98%);
  mask-image: linear-gradient(to bottom, #000 80%, transparent 98%);
}

.daily__col::before {
  content: "";
  display: block;
  flex: none;
  width: 60%;
  height: 3px;
  margin-bottom: 7px;
  background: var(--ink);
  opacity: .5;
}

.daily__col + .daily__col {
  padding-left: 11px;
  border-left: 1px solid var(--line);
}

.daily__pic {
  display: block;
  height: 38px;
  border-radius: 3px;
  background: linear-gradient(135deg, rgba(27, 77, 255, .62), rgba(18, 214, 160, .46));
  flex: none;
}

.daily__foot {
  display: flex;
  align-items: center;
  gap: 7px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: .73rem;
  color: var(--ink-3);
}

.daily__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pop-c);
  box-shadow: 0 0 0 3px rgba(18, 214, 160, .16);
  flex: none;
}

.daily__go {
  margin-left: auto;
  color: var(--brand);
  font-weight: 700;
  transition: transform .28s var(--ease);
}

.daily:hover .daily__go { transform: translateX(3px); }

/* ---------- 作品网格 ---------- */

/* 作品区：6 列底网格，卡片按 --wide/--mid/--sm 占用不同跨度，
   尺寸不一但行列严格对齐。
   竖向着墨量按「首屏一屏装下」定：封面高度、卡内边距、区间距都收紧过，
   改这里之前先算一遍 作品区(1 屏) 的总高。 */
.works { padding-block: clamp(6px, 1.2vw, 12px) clamp(40px, 4.4vw, 56px); }

.grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(12px, 1.2vw, 16px);
}

.card--wide { grid-column: span 6; }
.card--mid  { grid-column: span 3; }
.card--sm   { grid-column: span 2; }

/* 封面高度：01 的那张概念图按 1080×386 画，压到 344 仍在安全裁切内，
   再矮就会切掉窗口顶栏的圆点，别往下压。 */
.card--wide .card__cover { height: 344px; }
.card--mid  .card__cover { height: 248px; }
.card--sm   .card__cover { height: 240px; }
.card--wide .card__num   { font-size: 5.6rem; }

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}

/* 顶部 6px 双色带：每张卡片换一组撞色，形成错落 */
.card::before {
  content: "";
  display: block;
  height: 6px;
  background: linear-gradient(90deg, var(--c1), var(--c2));
  flex: none;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-2);
  border-color: color-mix(in srgb, var(--c1) 42%, var(--line));
}

.card__hit { position: absolute; inset: 0; z-index: 3; }
.card__hit span {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

.card__cover {
  position: relative;
  flex: none;
  overflow: hidden;
  /* 只有流程卡会用到这两个子块，其他卡的子元素是绝对定位，不受影响 */
  display: flex;
  flex-direction: column;
  padding: 44px 20px 18px;
  background: linear-gradient(135deg,
              color-mix(in srgb, var(--c1) 15%, var(--surface)),
              color-mix(in srgb, var(--c2) 26%, var(--surface)));
}

/* 装饰：右上描边圆环 + 左下色块，hover 时轻微位移 */
.card__cover::after {
  content: "";
  position: absolute;
  right: -52px;
  top: -58px;
  width: 172px;
  height: 172px;
  border-radius: 50%;
  border: 13px solid color-mix(in srgb, var(--c2) 34%, transparent);
  transition: transform .9s var(--ease);
  pointer-events: none;
}
.card:hover .card__cover::after { transform: translate(-10px, 12px); }

.card--wide .card__cover::after { width: 300px; height: 300px; right: -76px; top: -96px; }

/* 封面斜纹 —— 廉价但有效的质感层 */
.card__cover::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: repeating-linear-gradient(45deg,
              transparent 0 11px,
              color-mix(in srgb, var(--c1) 9%, transparent) 11px 12px);
  transform: translateY(0);
  transition: transform 1.2s var(--ease);
}
.card:hover .card__cover::before { transform: translateY(-14px); }

.card__num {
  position: absolute;
  right: 14px;
  bottom: 4px;
  font-size: 3.6rem;
  font-weight: 800;
  letter-spacing: -.05em;
  line-height: 1;
  color: color-mix(in srgb, var(--c1) 34%, transparent);
  user-select: none;
}

/* ---------- 封面概念图（01 号卡）----------
   纯 SVG 画的示意图：左边四个来源，四条弧线收进右边一个窗口，
   窗口里是侧栏 + 卡片 + 播放器层。窗口与色条全走 --ink / --surface 混合，
   深色模式自动翻过来，不另写一套。 */
.card__cover--art::after { display: none; }   /* 概念图自己就是装饰，去掉圆形描边环 */

.cover__art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  color: var(--ink);
}
.cover__art .art-win   { fill: color-mix(in srgb, var(--ink) 92%, transparent); }
.cover__art .art-win-2 { fill: color-mix(in srgb, var(--ink) 84%, transparent); }
.cover__art .art-bar   { fill: color-mix(in srgb, var(--surface) 88%, transparent); }
.cover__art .art-bar-2 { fill: color-mix(in srgb, var(--surface) 62%, transparent); }
.cover__art .art-bar-ink { fill: color-mix(in srgb, var(--ink) 38%, transparent); }
.cover__art .art-dur { fill: color-mix(in srgb, var(--surface) 82%, transparent); }
.cover__art .art-chip rect:not(.art-bar-2) {
  fill: color-mix(in srgb, var(--surface) 84%, transparent);
  stroke: color-mix(in srgb, var(--ink) 14%, transparent);
}
.cover__art .art-line path {
  fill: none;
  stroke: color-mix(in srgb, var(--c2) 62%, transparent);
  stroke-width: 1.6;
  stroke-linecap: round;
}

/* ---------- 流程卡：封面里的链路条 + 左下角的日报缩略 ----------
   链路条贴在封面顶部；日报缩略压在左下，直接嵌 reports/latest.html
   缩到 0.3，生成物换新它跟着换。颜色一律由 --ink 混合，深色模式自动跟着翻。 */

.card__flow {
  position: static;
  display: flex;
  align-items: center;
  gap: 9px;
}

.flow__step {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.flow__step b {
  font-family: var(--mono);
  font-size: .71rem;
  font-weight: 600;
  letter-spacing: .01em;
  color: color-mix(in srgb, var(--ink) 84%, transparent);
  white-space: nowrap;
}

.flow__step i {
  font-style: normal;
  font-size: .66rem;
  letter-spacing: .02em;
  color: color-mix(in srgb, var(--ink) 54%, transparent);
  white-space: nowrap;
}

.flow__line {
  position: relative;
  flex: 1 1 10px;
  height: 1px;
  background: color-mix(in srgb, var(--ink) 24%, transparent);
}

.flow__line::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 50%;
  width: 4px;
  height: 4px;
  border-top: 1px solid color-mix(in srgb, var(--ink) 42%, transparent);
  border-right: 1px solid color-mix(in srgb, var(--ink) 42%, transparent);
  transform: translateY(-50%) rotate(45deg);
}

/* 日报缩略：一张静态快照（works/daily-pipeline/img/report-peek.png），
   底部渐隐，读作「露出来的半页」。整卡是链接，缩略不吃点击 */
.card__peek {
  --peek-w: 208px;
  position: relative;
  align-self: flex-start;
  margin-top: auto;
  width: var(--peek-w);
  height: calc(var(--peek-w) * 466 / 820);
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  border-radius: 3px;
  background: #fff;
  box-shadow: 0 14px 30px -18px rgba(20, 22, 26, .5);
  -webkit-mask-image: linear-gradient(to bottom, #000 76%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 76%, transparent 100%);
  pointer-events: none;
}

.card__peek img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

/* ---------- 小程序卡（03）：山门实拍 + 一条链路 + 从底部升起的手机 ----------
   底图是项目自己的封面图（云海群峰），所以文字一律走白色系，
   深/浅主题共用一套，不做翻转。斜纹与圆环在这里关掉——图上再加纹理会脏。 */
.card__cover--app {
  padding: 0;
  background: #0E2621;
}
.card__cover--app::before,
.card__cover--app::after { content: none; }

.card__cover--app .app__back {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  transition: transform 1.2s var(--ease);
}
.card:hover .card__cover--app .app__back { transform: scale(1.045); }

/* 上深下深、中间透的遮罩：顶住链路条与序号，底下衬住手机 */
.card__cover--app .app__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
              rgba(9, 28, 24, .74) 0%,
              rgba(9, 28, 24, .16) 44%,
              rgba(9, 28, 24, .62) 100%);
}

.card__cover--app .card__flow {
  position: absolute;
  z-index: 2;
  inset: 15px 18px auto;
}
.card__cover--app .flow__step b { color: rgba(255, 255, 255, .94); }
.card__cover--app .flow__step i { color: rgba(255, 255, 255, .62); }
.card__cover--app .flow__line { background: rgba(255, 255, 255, .30); }
.card__cover--app .flow__line::after {
  border-color: rgba(255, 255, 255, .52);
}

.card__cover--app .card__num {
  z-index: 2;
  color: rgba(255, 255, 255, .26);
}

/* 手机从底边升上来，下半截切在卡外，读作「还在往下滚」 */
.app__phone {
  position: absolute;
  z-index: 2;
  left: 18px;
  bottom: -38px;
  width: 110px;
  aspect-ratio: 1 / 2;
  overflow: hidden;
  border: 3px solid rgba(255, 255, 255, .88);
  border-bottom: 0;
  border-radius: 16px 16px 0 0;
  box-shadow: 0 18px 42px -18px rgba(6, 18, 15, .8);
  -webkit-mask-image: linear-gradient(to bottom, #000 82%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 82%, transparent 100%);
  pointer-events: none;
}
.app__phone img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  padding: 14px 20px 16px;
}

.card__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.card__meta .dot {
  display: inline-block;
  flex: none;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
}

.card__title {
  font-size: 1.06rem;
  font-weight: 650;
  letter-spacing: -.022em;
  transition: color .22s;
}
.card:hover .card__title { color: var(--c1); }
[data-theme="dark"] .card:hover .card__title { color: var(--c2); }

.card__desc {
  font-size: .885rem;
  line-height: 1.62;
  color: var(--ink-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 10px;
}

.card--wide .card__desc { max-width: 64ch; }

.tag {
  font-size: .71rem;
  letter-spacing: .02em;
  padding: 3px 9px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  color: var(--ink-3);
  white-space: nowrap;
}

.card__arrow {
  position: absolute;
  right: 16px;
  top: 22px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink-3);
  opacity: 0;
  transform: translate(-4px, 4px);
  transition: all .3s var(--ease);
}
.card:hover .card__arrow { opacity: 1; transform: none; color: var(--ink); }

.card.is-hidden { display: none; }

/* 入场 */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
  transition-delay: calc(var(--i, 0) * 55ms);
}
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- 小工具 ----------
   大卡只放作品，小工具压成一行窄卡：一件一张，加多少张都往右排，
   单张不会撑满整行。 */

.tools { margin-top: clamp(24px, 2.4vw, 34px); }

.tools__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}

/* 小字标签 + 一条细线，起分区作用，不做大标题 */
.tools__title {
  flex: none;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--ink-3);
}

.tools__rule { flex: 1; height: 1px; background: var(--line); }

.tools__row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tool {
  flex: 1 1 232px;
  max-width: 296px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 11px 16px 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: transform .25s var(--ease), border-color .25s, box-shadow .25s var(--ease);
}
.tool:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-1);
}
.tool:hover .tool__name { color: var(--c1, var(--brand)); }

/* 整张可点：锚点铺满内边距，键盘焦点框落在链接上 */
.tool__link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: inherit;
}

.tool__link:focus-visible {
  outline: 2.5px solid var(--brand);
  outline-offset: 4px;
  border-radius: 4px;
}

.tool__name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .94rem;
  font-weight: 650;
  letter-spacing: -.015em;
}

/* 小色点取该张的 --c1，与卡片色带同一套颜色 */
.tool__name::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c1, var(--brand));
}

.tool__tag {
  margin-left: auto;
  padding: 1px 7px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  font-size: .66rem;
  letter-spacing: .04em;
  font-weight: 400;
  color: var(--ink-3);
  white-space: nowrap;
}

.tool__desc {
  font-size: .8rem;
  line-height: 1.55;
  color: var(--ink-2);
}

/* ---------- 一句话主张 ---------- */

.statement {
  padding-block: clamp(78px, 11vw, 142px);
  border-top: 1px solid var(--line);
}

.statement p {
  font-size: clamp(1.4rem, 4.4vw, 3.6rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -.048em;
}

/* 关键词渐变填充，其余保持墨色 —— 全句只有这两个词有颜色 */
.statement .hl {
  background: linear-gradient(96deg, var(--brand), var(--pop-a) 94%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
/* ---------- 页脚 ---------- */

.foot {
  border-top: 1px solid var(--line);
  padding-block: 28px 40px;
}
.foot__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  font-size: .82rem;
  color: var(--ink-3);
}

/* ---------- 响应式 ---------- */

@media (max-width: 1100px) {
  /* 双栏保留，只收紧间距与字号；日报卡跟着窄 */
  .hero { gap: 32px; }
  .hero h1 { font-size: clamp(2rem, 4.6vw, 3.5rem); }

  .grid { grid-template-columns: repeat(2, 1fr); }
  .card--wide, .card--mid, .card--sm { grid-column: span 1; }
  .card--wide .card__cover,
  .card--mid .card__cover,
  .card--sm .card__cover { height: 264px; }
  .card--wide .card__num { font-size: 4.6rem; }
}

@media (max-width: 900px) {
  /* 再窄就收不回双栏了，日报卡落到标题下方 */
  .hero { grid-template-columns: 1fr; gap: 36px; align-items: start; }
  .hero__copy { max-width: 32rem; }
  .daily { max-width: 440px; }

  /* 概念图在窄屏是按中心裁切的：左边那列来源块会被切掉一半，直接收起来 */
  .cover__art .art-chip,
  .cover__art .art-line { display: none; }
}

@media (max-width: 768px) {
  .nav__inner { gap: 12px; }
  .card--wide .card__cover,
  .card--mid .card__cover,
  .card--sm .card__cover { height: 232px; }

  .hero { padding-block: 56px 56px; }
  .works { padding-block: 4px 48px; }
  .statement { padding-block: 60px; }
}

/* 两列下卡片只有三百出头：链路会挤成一团，收掉；缩略同步缩一号 */
@media (max-width: 700px) {
  .card__flow { display: none; }
  .card__peek { --peek-w: 210px; }
}

@media (max-width: 560px) {
  :root { --r-lg: 16px; }
  .grid { grid-template-columns: 1fr; }
  .card--wide, .card--mid, .card--sm { grid-column: span 1; }
  .card--wide .card__cover,
  .card--mid .card__cover,
  .card--sm .card__cover { height: 208px; }
  .card__body { padding: 14px 16px 16px; }
  .card__num { font-size: 2.8rem; }
  .card__peek { --peek-w: 176px; }

  /* 窄屏小工具改单列铺满 */
  .tool { flex: 1 1 100%; max-width: none; }

  /* 偏移底板收窄，避免贴边溢出 */
  .daily { padding: 16px 16px 14px; box-shadow: 8px 8px 0 -1px var(--pop-b), var(--shadow-1); }
  .daily:hover { box-shadow: 10px 10px 0 -1px var(--pop-b), var(--shadow-2); }
  .daily__lead { font-size: 1.02rem; }
  .daily__mini { height: 88px; }

  .foot__inner { flex-direction: column; align-items: flex-start; }
}

/* ---------- 无障碍 / 省电 ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .nav, .theme-toggle, .card__arrow { display: none; }
  body { background: #fff; }
}