/* ============================================================
   daily-yiyou.com.cn — 共享样式 /assets/site.css
   夜间站台 × 清晨首班车 · 墨蓝底 + 电光青 + 暖橙
   ============================================================ */

/* ---------- 1. reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, li, figure, figcaption, blockquote, dl, dd {
  margin: 0;
}

ul, ol { padding: 0; list-style: none; }

img, svg, video { display: block; max-width: 100%; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

a { color: inherit; }

[hidden] { display: none !important; }

/* ---------- 2. tokens ---------- */
:root {
  --ink: #0B1B2B;
  --ink-deep: #08141F;
  --ink-2: #122A44;
  --cyan: #2FE6D6;
  --orange: #FF8A3D;
  --lime: #C8FF4D;
  --mist: #D8E2EA;
  --cream: #F6F1E7;
  --rock: #8A98A6;
  --clay: #B96A4B;
  --moss: #4F7A5A;

  --line: rgba(216, 226, 234, 0.16);
  --line-strong: rgba(216, 226, 234, 0.32);
  --line-cyan: rgba(47, 230, 214, 0.34);

  --font-display: "Helvetica Neue", "Arial Narrow", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-body: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;

  --r-pill: 999px;
  --r-lg: 26px;
  --r-md: 16px;
  --r-sm: 10px;

  --wrap: 1240px;
  --gutter: clamp(1.1rem, 4vw, 3rem);
  --ease: cubic-bezier(0.22, 0.8, 0.36, 1);
}

/* ---------- 3. base ---------- */
body {
  min-height: 100vh;
  background: var(--ink);
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--cream);
}

::selection {
  background: var(--cyan);
  color: var(--ink);
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ---------- 4. 工具类 ---------- */
.wrap {
  width: min(var(--wrap), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 300;
  transform: translateY(-180%);
  padding: 0.7rem 1.15rem;
  border-radius: var(--r-pill);
  background: var(--lime);
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  box-shadow: 0 16px 30px -18px rgba(0, 0, 0, 0.9);
  transition: transform 0.22s var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
}

/* ---------- 5. 文字层级 ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 7vw, 5.6rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--cream);
}

.title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 3.8vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.lede {
  max-width: 32em;
  font-size: clamp(1.02rem, 1.5vw, 1.16rem);
  line-height: 1.7;
  color: rgba(216, 226, 234, 0.86);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  opacity: 0.9;
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

.price {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--orange);
  letter-spacing: 0;
}

.prose {
  max-width: 34em;
  color: rgba(216, 226, 234, 0.88);
}

.prose p + p { margin-top: 1em; }

.prose h3 {
  margin: 1.8em 0 0.6em;
  font-size: 1.22rem;
  letter-spacing: -0.01em;
}

.prose ul,
.prose ol {
  margin: 1em 0;
  padding-left: 1.15em;
  list-style: disc;
}

.prose li + li { margin-top: 0.4em; }

.prose a {
  color: var(--cyan);
  text-underline-offset: 3px;
}

/* ---------- 6. 按钮与标签 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.55rem;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: transform 0.18s var(--ease), background 0.18s ease,
    color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--orange {
  background: var(--orange);
  color: #1B0F07;
  box-shadow: 0 18px 34px -22px rgba(255, 138, 61, 0.95);
}
.btn--orange:hover { background: #FFA163; }

.btn--cyan {
  background: var(--cyan);
  color: var(--ink);
  box-shadow: 0 18px 34px -22px rgba(47, 230, 214, 0.95);
}
.btn--cyan:hover { background: #6BF0E4; }

.btn--ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--cream);
}
.btn--ghost:hover {
  border-color: var(--line-cyan);
  color: var(--cyan);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem 0.72rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  line-height: 1.5;
  color: var(--mist);
}

.tag--cyan {
  color: var(--cyan);
  border-color: var(--line-cyan);
  background: rgba(47, 230, 214, 0.09);
}

.tag--lime {
  color: var(--lime);
  border-color: rgba(200, 255, 77, 0.36);
  background: rgba(200, 255, 77, 0.08);
}

.tag--clay {
  color: #F2BBA1;
  border-color: rgba(185, 106, 75, 0.52);
  background: rgba(185, 106, 75, 0.18);
}

.tag--moss {
  color: #A9D3B4;
  border-color: rgba(79, 122, 90, 0.62);
  background: rgba(79, 122, 90, 0.22);
}

/* ---------- 7. 卡片 / 网格 / 分区 ---------- */
.card {
  position: relative;
  padding: clamp(1.15rem, 2.4vw, 1.9rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(18, 42, 68, 0.7);
}

.card--ticket {
  background: var(--cream);
  color: #1B2A38;
  border-color: rgba(11, 27, 43, 0.12);
}

.card--ticket h3,
.card--ticket h2 { color: var(--ink); }

.card--ticket::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18%;
  bottom: 18%;
  width: 3px;
  border-radius: 3px;
  background: var(--clay);
}

.grid {
  display: grid;
  gap: clamp(1rem, 2.2vw, 1.65rem);
  grid-template-columns: minmax(0, 1fr);
}

.grid--auto {
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
}

@media (min-width: 720px) {
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .grid--split { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
}

.section {
  padding-block: clamp(2.6rem, 6vw, 5rem);
}

.section--station {
  background: linear-gradient(160deg, var(--ink-2) 0%, #0A1622 72%);
}

.section--cream {
  background: var(--cream);
  color: #1B2A38;
}

.section--cream h2,
.section--cream h3,
.section--cream .title,
.section--cream .display { color: var(--ink); }

.section--cream .lede { color: rgba(27, 42, 56, 0.78); }

.section--cream .eyebrow { color: var(--moss); }

.section--cream .card {
  background: #FFFFFF;
  border-color: rgba(11, 27, 43, 0.12);
}

.section--slant {
  clip-path: polygon(0 3.5vw, 100% 0, 100% 100%, 0 100%);
}

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 2rem;
  margin-bottom: clamp(1.4rem, 3vw, 2.4rem);
}

/* ---------- 8. 面包屑 ---------- */
.crumbs {
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--rock);
}

.crumbs__item {
  display: inline-flex;
  align-items: center;
}

.crumbs__item + .crumbs__item::before {
  content: "/";
  margin-right: 0.35rem;
  color: rgba(138, 152, 166, 0.6);
}

.crumbs__item a {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.18s ease;
}

.crumbs__item a:hover { color: var(--cyan); }

/* ---------- 9. 图片容器 ---------- */
.media {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 15% 0%, rgba(47, 230, 214, 0.16), transparent 62%),
    linear-gradient(150deg, var(--ink-2), #0A1622);
  aspect-ratio: 16 / 10;
}

.media img,
.media svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }

.media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.9rem 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--mist);
  background: linear-gradient(0deg, rgba(8, 20, 31, 0.92), transparent);
}

/* ---------- 10. 标签页 ---------- */
.tabs { display: block; }

.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.4rem;
  margin-bottom: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(18, 42, 68, 0.6);
}

.tabs__tab {
  flex: 1 1 auto;
  padding: 0.6rem 1rem;
  border-radius: var(--r-pill);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--mist);
  transition: background 0.18s ease, color 0.18s ease;
}

.tabs__tab:hover { color: var(--cream); background: rgba(47, 230, 214, 0.12); }

.tabs__tab[aria-selected="true"] {
  background: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.tabs__panel {
  animation: panelIn 0.24s var(--ease) both;
}

@keyframes panelIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 11. 报头 ---------- */
.masthead {
  position: sticky;
  top: 0;
  z-index: 80;
  background: linear-gradient(180deg, var(--ink) 0%, rgba(11, 27, 43, 0.94) 62%, rgba(11, 27, 43, 0.8) 100%);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.masthead[data-scrolled] {
  background: rgba(8, 20, 31, 0.86);
  border-bottom-color: var(--line-cyan);
  box-shadow: 0 24px 46px -34px rgba(0, 0, 0, 0.95);
}

.masthead__bar {
  position: relative;
  width: min(var(--wrap), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
  padding: 0.55rem clamp(0.55rem, 2vw, 1.35rem) 0.5rem;
  border: 1px solid transparent;
  border-radius: var(--r-lg);
  transition: background 0.3s ease, border-color 0.3s ease,
    border-radius 0.3s ease, box-shadow 0.3s ease;
}

.masthead[data-scrolled] .masthead__bar {
  background: rgba(18, 42, 68, 0.92);
  border-color: rgba(47, 230, 214, 0.26);
  border-radius: var(--r-pill);
  box-shadow: 0 22px 48px -32px rgba(0, 0, 0, 0.95);
}

.masthead__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.4rem;
}

.masthead__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--rock);
}

.dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(200, 255, 77, 0.16);
}

.masthead__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.26rem 0.8rem;
  border: 1px solid var(--line-cyan);
  border-radius: var(--r-pill);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.masthead__cta:hover {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.masthead__brandrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.3rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-inline: auto;
  padding: 0.15rem 0.2rem;
  text-decoration: none;
}

.brand__mark {
  align-self: center;
  padding: 0.26rem 0.5rem;
  border-radius: 8px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.2;
}

.brand__name {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.15rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--cream);
}

.brand__suffix {
  align-self: center;
  margin-left: 0.1rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.34em;
  color: var(--rock);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: rgba(216, 226, 234, 0.06);
  color: var(--cream);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.nav-toggle:hover { border-color: var(--line-cyan); background: rgba(47, 230, 214, 0.1); }

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
  width: 16px;
  height: 10px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transition: transform 0.24s var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.nav-toggle__label { line-height: 1; }

.nav { padding-top: 0.15rem; }

.nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.15rem 0.3rem;
}

.nav__item { display: flex; }

.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--r-pill);
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.18s ease, background 0.18s ease;
}

.nav__link::before {
  content: "";
  flex: none;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--rock);
  opacity: 0.75;
  transition: background 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}

.nav__link:hover {
  color: var(--cream);
  background: rgba(47, 230, 214, 0.12);
}

.nav__link:hover::before { background: var(--cyan); opacity: 1; }

.nav__link[aria-current="page"] {
  background: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.nav__link[aria-current="page"]::before {
  background: var(--ink);
  opacity: 1;
  box-shadow: 0 0 0 3px rgba(11, 27, 43, 0.18);
}

.masthead__progress {
  position: absolute;
  left: clamp(1rem, 4vw, 2.2rem);
  right: clamp(1rem, 4vw, 2.2rem);
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  overflow: hidden;
  background: rgba(216, 226, 234, 0.1);
}

.masthead__progress-fill {
  display: block;
  width: 100%;
  height: 100%;
  transform-origin: 0 50%;
  transform: scaleX(var(--p, 0));
  background: linear-gradient(90deg, var(--cyan), var(--lime) 58%, var(--orange));
}

/* 移动端报头 */
@media (max-width: 899px) {
  .brand { margin-inline: 0; }

  .nav {
    display: none;
    padding: 0.35rem 0 0.6rem;
  }

  .nav[data-open] {
    display: block;
    animation: navDrop 0.26s var(--ease) both;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.3rem;
  }

  .nav__link {
    justify-content: flex-start;
    padding: 0.8rem 1rem;
    border: 1px solid rgba(216, 226, 234, 0.08);
    border-radius: var(--r-md);
    background: rgba(216, 226, 234, 0.05);
    font-size: 1rem;
  }

  .nav__link[aria-current="page"] {
    background: rgba(47, 230, 214, 0.16);
    border-color: rgba(47, 230, 214, 0.42);
    color: var(--cyan);
  }

  .nav__link[aria-current="page"]::before {
    background: var(--cyan);
    box-shadow: 0 0 0 3px rgba(47, 230, 214, 0.18);
  }

  .masthead[data-scrolled] .masthead__bar { border-radius: var(--r-lg); }
}

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .nav { display: block; }
}

@media (max-width: 559px) {
  .masthead__tag { display: none; }
  .masthead__meta { justify-content: flex-end; }
}

@keyframes navDrop {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 12. 页脚 ---------- */
.footer {
  position: relative;
  overflow: hidden;
  padding-top: clamp(2.6rem, 6vw, 4.6rem);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 46%, #0A1622 100%);
  color: var(--mist);
}

.footer::after {
  content: "";
  position: absolute;
  top: -34%;
  right: -12%;
  width: min(46rem, 96vw);
  height: min(46rem, 96vw);
  background: radial-gradient(circle, rgba(47, 230, 214, 0.12), rgba(255, 138, 61, 0.06) 46%, transparent 64%);
  pointer-events: none;
}

.footer__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(2rem, 4.5vw, 3.6rem);
  padding-bottom: clamp(2rem, 4vw, 3.2rem);
}

.footer__lead { max-width: 34rem; }

.footer__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--rock);
}

.footer__tagline {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.6vw, 2.6rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.footer__cta { margin-top: 1.5rem; }

.footer__cols {
  display: grid;
  gap: clamp(1.6rem, 3vw, 2.6rem);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.footer__col--contact { grid-column: 1 / -1; }

.footer__col-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--rock);
}

.footer__col-title::before {
  content: "";
  width: 12px;
  height: 1px;
  background: var(--cyan);
  opacity: 0.8;
}

.footer__list { display: grid; gap: 0.5rem; }

.footer__list a {
  display: inline-block;
  font-size: 0.94rem;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.footer__list a:hover {
  color: var(--cyan);
  border-bottom-color: var(--line-cyan);
}

.footer__contact {
  display: grid;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.footer__contact-line { display: block; }

.footer__contact-key {
  display: block;
  margin-bottom: 0.15rem;
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  color: var(--rock);
}

.footer__note {
  max-width: 26em;
  margin-top: 1rem;
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--rock);
}

.footer__base {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  background: rgba(8, 20, 31, 0.5);
  padding-block: 1.05rem;
}

.footer__base-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem 1.6rem;
}

.footer__copy {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--rock);
}

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.footer__legal a {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-size: 0.76rem;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.footer__legal a:hover {
  color: var(--cyan);
  border-color: var(--line-cyan);
  background: rgba(47, 230, 214, 0.08);
}

@media (min-width: 900px) {
  .footer__inner { grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.1fr); }
  .footer__cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer__col--contact { grid-column: auto; }
}

/* 固定反馈站牌 */
.dock {
  position: fixed;
  right: clamp(0.85rem, 3vw, 1.6rem);
  bottom: clamp(0.85rem, 3vw, 1.6rem);
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.72rem 1.15rem;
  border-radius: var(--r-pill);
  background: var(--orange);
  color: #1B0F07;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  box-shadow: 0 20px 38px -20px rgba(255, 138, 61, 0.95);
  transition: transform 0.2s var(--ease), box-shadow 0.2s ease, background 0.2s ease;
}

.dock:hover {
  transform: translateY(-2px);
  background: #FFA163;
  box-shadow: 0 24px 42px -20px rgba(255, 138, 61, 1);
}

.dock__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #1B0F07;
  opacity: 0.65;
}

@media (max-width: 720px) {
  .dock { padding: 0.62rem 0.95rem; font-size: 0.78rem; }
  .footer__base { padding-bottom: 4.6rem; }
}

/* ---------- 13. 显现与动效降级 ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s var(--ease);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn:hover,
  .dock:hover { transform: none; }
}