/* ============================================================
   澳门沙金CN · 共享站点样式 /assets/site.css
   舷窗 · 码头 · 船期：非对称编辑部版式 + 现代粗野主义细节
   ============================================================ */

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

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

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

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

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

a { color: inherit; }

/* 2. Tokens ------------------------------------------------ */
:root {
  --ink: #061826;
  --harbor: #0B2438;
  --foam: #EDF2EF;
  --gold: #D9A441;
  --coral: #F26B4A;
  --celadon: #7FB7A3;
  --amber: #FFC857;
  --night: #1A2B4C;
  --mist: #6F8394;
  --steel: #2E4A5F;

  --foam-soft: #c2d1cb;
  --foam-dim: #cfdcd6;
  --ink-deep: #04121d;

  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", Georgia, "Times New Roman", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
  --font-accent: "Archivo Narrow", "Oswald", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;

  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --step-1: clamp(1.12rem, 1.02rem + 0.5vw, 1.375rem);
  --step-2: clamp(1.38rem, 1.16rem + 1vw, 2rem);
  --step-3: clamp(1.85rem, 1.4rem + 2.2vw, 3rem);
  --step-4: clamp(2.35rem, 1.6rem + 4vw, 4.6rem);

  --gutter: clamp(1rem, 4vw, 3rem);
  --shell: 1240px;

  --radius-pill: 999px;
  --radius-card: 18px;
  --radius-soft: 12px;

  --line: 1px solid rgba(46, 74, 95, 0.85);
  --line-soft: 1px solid rgba(46, 74, 95, 0.55);

  --shadow-soft: 0 26px 60px -34px rgba(0, 0, 0, 0.95);
  --shadow-hard: 6px 6px 0 0 rgba(217, 164, 65, 0.22);

  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* 3. Base -------------------------------------------------- */
body {
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    radial-gradient(60rem 40rem at 82% -10%, rgba(217, 164, 65, 0.10), transparent 62%),
    radial-gradient(50rem 36rem at -8% 12%, rgba(127, 183, 163, 0.10), transparent 60%),
    radial-gradient(46rem 34rem at 50% 118%, rgba(26, 43, 76, 0.85), transparent 68%);
  background-attachment: fixed;
  color: var(--foam);
  font-family: var(--font-body);
  font-size: var(--step-0);
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.005em;
  color: var(--foam);
}

p { max-width: 68ch; }

strong { color: var(--amber); font-weight: 600; }

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

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 4px;
}

/* 4. 布局工具 ---------------------------------------------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(2.8rem, 6vw, 5.5rem); }

.grid {
  display: grid;
  gap: clamp(1rem, 2.5vw, 2rem);
}

.grid--split { grid-template-columns: minmax(0, 1fr); }

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

.grid--3 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }

@media (min-width: 920px) {
  .grid--split {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* 5. 页面标题与面包屑 -------------------------------------- */
.page-head {
  position: relative;
  padding-block: clamp(1.6rem, 3vw, 2.6rem) clamp(1.4rem, 3vw, 2.4rem);
  border-bottom: var(--line);
}

.page-head__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-accent);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-head__eyebrow::before {
  content: "";
  width: 2rem;
  height: 2px;
  background: var(--gold);
}

.page-head__title {
  margin-top: 0.7rem;
  font-size: var(--step-3);
  max-width: 22ch;
}

.page-head__note {
  margin-top: 0.8rem;
  max-width: 52ch;
  color: var(--foam-soft);
  font-size: 0.95rem;
}

.crumbs { padding-block: 0.9rem 0; }

.crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.crumbs__item { display: inline-flex; align-items: center; gap: 0.45rem; }

.crumbs__item + .crumbs__item::before {
  content: "/";
  color: var(--steel);
}

.crumbs__link {
  color: var(--celadon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.crumbs__link:hover {
  color: var(--gold);
  border-bottom-color: rgba(217, 164, 65, 0.6);
}

.crumbs__current { color: var(--foam); }

/* 6. 排版组件 ---------------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-accent);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}

.eyebrow::before {
  content: "";
  width: 1.6rem;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(217, 164, 65, 0));
}

.display {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-4);
  line-height: 1.06;
  letter-spacing: -0.02em;
  text-wrap: balance;
  color: var(--foam);
}

.section-title {
  font-size: var(--step-2);
  max-width: 24ch;
}

.lede {
  max-width: 46ch;
  font-size: var(--step-1);
  line-height: 1.85;
  color: var(--foam-soft);
}

.mono-note {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--mist);
  line-height: 1.7;
}

.aside-note {
  max-width: 30ch;
  padding-left: 1rem;
  border-left: 2px solid var(--gold);
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--mist);
}

/* 7. 按钮与标签 -------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.35rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out),
    border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.btn--gold {
  background: linear-gradient(135deg, var(--gold), var(--amber));
  border-color: rgba(255, 200, 87, 0.6);
  color: #10222f;
  box-shadow: 0 10px 26px -14px rgba(217, 164, 65, 0.95);
}

.btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px -14px rgba(255, 200, 87, 0.9);
}

.btn--ghost {
  background: rgba(11, 36, 56, 0.6);
  border-color: var(--steel);
  color: var(--foam);
}

.btn--ghost:hover {
  border-color: var(--gold);
  color: var(--amber);
  transform: translateY(-2px);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.18rem 0.6rem;
  border: 1px solid currentColor;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.tag--gold { color: var(--gold); background: rgba(217, 164, 65, 0.10); }
.tag--coral { color: var(--coral); background: rgba(242, 107, 74, 0.10); }
.tag--celadon { color: var(--celadon); background: rgba(127, 183, 163, 0.10); }

/* 8. 卡片 / 票根 / 船期表 ---------------------------------- */
.card {
  padding: clamp(1.2rem, 2.4vw, 1.8rem);
  background: linear-gradient(160deg, rgba(11, 36, 56, 0.94), rgba(6, 24, 38, 0.94));
  border: var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
}

.card--paper {
  background: var(--foam);
  border-color: rgba(6, 24, 38, 0.9);
  color: #0c2230;
  box-shadow: var(--shadow-hard);
}

.ticket {
  position: relative;
  padding: clamp(1.1rem, 2.4vw, 1.7rem);
  padding-right: clamp(1.1rem, 2.4vw, 1.7rem);
  background: var(--foam);
  border: 2px solid rgba(6, 24, 38, 0.92);
  border-radius: 4px 18px 4px 18px;
  color: #0c2230;
  box-shadow: var(--shadow-hard);
}

.ticket::after {
  content: "";
  position: absolute;
  inset-block: 0.9rem;
  right: 2.6rem;
  border-right: 2px dashed rgba(6, 24, 38, 0.35);
  pointer-events: none;
}

.board {
  display: grid;
  border-top: var(--line);
}

.board__row {
  display: grid;
  grid-template-columns: 5.4rem minmax(0, 1fr);
  gap: 0.4rem 1rem;
  align-items: baseline;
  padding: 0.95rem 0.35rem;
  border-bottom: var(--line-soft);
  font-size: 0.95rem;
  transition: background-color 0.2s ease;
}

.board__row:hover { background-color: rgba(217, 164, 65, 0.07); }

.board__code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.board__meta {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  color: var(--mist);
}

@media (min-width: 720px) {
  .board__row {
    grid-template-columns: 6.5rem minmax(0, 1fr) minmax(0, 9rem);
    align-items: center;
  }
  .board__meta {
    grid-column: 3;
    text-align: right;
  }
}

/* 9. 图片容器基础（页面阶段放占位图） ---------------------- */
.frame {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--steel);
  border-radius: 14px;
  background:
    radial-gradient(120% 90% at 30% 10%, rgba(217, 164, 65, 0.18), transparent 60%),
    linear-gradient(150deg, var(--harbor), var(--ink-deep));
  box-shadow: var(--shadow-soft);
}

.frame__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.frame--wide {
  aspect-ratio: 16 / 9;
  border-radius: 22px 4px 22px 4px;
}

.frame--tall { aspect-ratio: 4 / 5; }

.frame--porthole {
  aspect-ratio: 1;
  border-radius: 50%;
  border-color: rgba(217, 164, 65, 0.55);
  box-shadow: 0 0 0 6px rgba(217, 164, 65, 0.12), var(--shadow-soft);
}

.frame__caption {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--mist);
}

/* 10. 头部：悬浮胶囊浮岛 ----------------------------------- */
.skip-link {
  position: absolute;
  top: 0.4rem;
  left: 50%;
  z-index: 120;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-pill);
  background: var(--amber);
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  transform: translate(-50%, -180%);
  transition: transform 0.2s var(--ease-out);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translate(-50%, 0);
  outline-offset: 2px;
}

.masthead {
  position: sticky;
  top: 0;
  z-index: 70;
  padding: 0.75rem var(--gutter) 0.4rem;
  background: linear-gradient(180deg, rgba(6, 24, 38, 0.96) 0%, rgba(6, 24, 38, 0.72) 68%, rgba(6, 24, 38, 0) 100%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.masthead__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.6vw, 1.5rem);
  max-width: var(--shell);
  margin-inline: auto;
  padding: 0.5rem 0.6rem 0.5rem 0.9rem;
  background: linear-gradient(135deg, rgba(11, 36, 56, 0.97), rgba(6, 24, 38, 0.95));
  border: 1px solid rgba(46, 74, 95, 0.95);
  border-radius: var(--radius-pill);
  box-shadow: 0 22px 44px -30px rgba(0, 0, 0, 0.95);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.masthead__inner::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 22%;
  right: 22%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  pointer-events: none;
}

.masthead[data-stuck="true"] .masthead__inner {
  border-color: rgba(217, 164, 65, 0.42);
  box-shadow: 0 26px 54px -32px rgba(0, 0, 0, 1);
}

.masthead__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--foam);
  border-radius: var(--radius-pill);
}

.masthead__mark {
  position: relative;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border: 2px solid var(--gold);
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 26%, var(--amber), var(--gold) 34%, var(--harbor) 72%, var(--ink) 100%);
  box-shadow: inset 0 0 0 3px rgba(6, 24, 38, 0.85), 0 0 16px -4px rgba(255, 200, 87, 0.8);
}

.masthead__mark::after {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  border: 1px solid rgba(237, 242, 239, 0.35);
}

.masthead__wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.masthead__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.02rem, 0.9rem + 0.4vw, 1.24rem);
  letter-spacing: 0.02em;
  color: var(--foam);
}

.masthead__tagline {
  margin-top: 0.22rem;
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--mist);
  white-space: nowrap;
}

.masthead__batch {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.22rem 0.65rem;
  border: 1px dashed rgba(127, 183, 163, 0.55);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--celadon);
  white-space: nowrap;
}

.masthead__batch-dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--amber);
  animation: batch-pulse 2.6s ease-in-out infinite;
}

@keyframes batch-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 200, 87, 0.65); opacity: 1; }
  50% { box-shadow: 0 0 0 6px rgba(255, 200, 87, 0); opacity: 0.75; }
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-inline-start: auto;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--steel);
  border-radius: var(--radius-pill);
  background: rgba(6, 24, 38, 0.85);
  color: var(--foam);
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.nav-toggle:hover {
  border-color: var(--gold);
  color: var(--amber);
}

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  width: 16px;
  height: 14px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.22s var(--ease-out), opacity 0.18s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.nav-toggle__label {
  font-family: var(--font-accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

.masthead__nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-inline-start: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(0.1rem, 0.7vw, 0.55rem);
  margin: 0;
}

.nav-list__item { display: flex; }

.nav-link {
  display: inline-block;
  padding: 0.42rem 0.7rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--foam-dim);
  white-space: nowrap;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.nav-link:hover {
  color: var(--foam);
  background-color: rgba(217, 164, 65, 0.13);
  border-color: rgba(217, 164, 65, 0.35);
}

.nav-link[aria-current="page"] {
  background: linear-gradient(135deg, var(--gold), var(--amber));
  border-color: rgba(255, 200, 87, 0.55);
  color: var(--ink);
  font-weight: 700;
}

.masthead__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.05rem;
  border: 1px solid rgba(255, 200, 87, 0.55);
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--gold), var(--amber));
  color: #10222f;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 10px 22px -14px rgba(217, 164, 65, 0.95);
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}

.masthead__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 28px -14px rgba(255, 200, 87, 0.9);
}

/* 移动端导航面板 */
@media (max-width: 899px) {
  .masthead__batch { display: none; }

  .nav-toggle { display: inline-flex; }

  .masthead__nav {
    position: absolute;
    top: calc(100% + 0.55rem);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
    margin-inline-start: 0;
    padding: 0.7rem;
    background: linear-gradient(165deg, var(--harbor), var(--ink));
    border: 1px solid var(--steel);
    border-radius: 22px;
    box-shadow: var(--shadow-soft);
  }

  .masthead__nav[data-open="true"] {
    display: flex;
    animation: nav-drop 0.24s var(--ease-out) both;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.1rem;
  }

  .nav-link {
    display: block;
    padding: 0.68rem 0.9rem;
    border-radius: var(--radius-soft);
    font-size: 0.98rem;
  }

  .masthead__cta {
    margin-top: 0.55rem;
    padding: 0.72rem 1rem;
    font-size: 0.92rem;
  }
}

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

@media (max-width: 1100px) and (min-width: 900px) {
  .masthead__tagline { display: none; }
  .masthead__batch { display: none; }
  .nav-link { padding: 0.42rem 0.5rem; font-size: 0.86rem; }
}

@keyframes nav-drop {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 11. 页脚：下沉的码头告示板 -------------------------------- */
.footer {
  position: relative;
  margin-top: clamp(3rem, 8vw, 6rem);
  overflow: hidden;
  background: linear-gradient(180deg, #04121d 0%, var(--ink) 46%, #04121d 100%);
  border-top: 1px solid var(--steel);
  color: var(--foam-dim);
}

.footer::before {
  content: "";
  position: absolute;
  top: -18rem;
  right: -14rem;
  width: 46rem;
  height: 46rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 164, 65, 0.18), rgba(217, 164, 65, 0) 64%);
  pointer-events: none;
}

.footer::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold) 22%, var(--coral) 58%, transparent);
  pointer-events: none;
}

.footer__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.8rem, 4vw, 3rem);
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(2.6rem, 6vw, 4.4rem) var(--gutter);
}

@media (min-width: 720px) {
  .footer__inner { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr); }
}

.footer__lede { min-width: 0; }

.footer__seal {
  display: block;
  width: clamp(56px, 8vw, 76px);
  height: clamp(56px, 8vw, 76px);
  margin-bottom: 1.25rem;
  border: 2px solid rgba(217, 164, 65, 0.6);
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 28%, rgba(255, 200, 87, 0.95), rgba(217, 164, 65, 0.55) 36%, rgba(11, 36, 56, 0.95) 74%),
    var(--harbor);
  box-shadow: inset 0 0 0 5px rgba(6, 24, 38, 0.85), 0 0 30px -8px rgba(255, 200, 87, 0.55);
}

.footer__brandline {
  max-width: 26ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step-2);
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--foam);
}

.footer__region {
  margin-top: 0.9rem;
  max-width: 34ch;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  line-height: 1.8;
  color: var(--mist);
}

.footer__heading {
  margin-bottom: 0.95rem;
  font-family: var(--font-accent);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.footer__link-list {
  display: grid;
  gap: 0.45rem;
  margin: 0;
}

.footer__link {
  display: inline-block;
  padding-block: 0.14rem;
  font-size: 0.95rem;
  color: var(--foam-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.footer__link:hover {
  color: var(--amber);
  border-bottom-color: rgba(255, 200, 87, 0.6);
}

.footer__pairs {
  display: grid;
  gap: 0.75rem;
  margin: 0;
}

.footer__pair { display: grid; gap: 0.12rem; }

.footer__term {
  font-family: var(--font-accent);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.footer__value {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: #dbe5e0;
  overflow-wrap: anywhere;
}

.footer__value--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

.footer__value--text { font-family: var(--font-body); }

.footer__meta {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(46, 74, 95, 0.7);
  background-color: rgba(4, 18, 29, 0.6);
}

.footer__inner--meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.6rem;
  grid-template-columns: none;
  padding: 1.1rem var(--gutter);
}

.footer__service {
  max-width: 42ch;
  font-size: 0.8rem;
  color: var(--mist);
}

.footer__copy {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  color: var(--mist);
}

/* 12. 动效协议 --------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s var(--ease-out) calc(var(--reveal-delay, 0) * 80ms),
    transform 0.7s var(--ease-out) calc(var(--reveal-delay, 0) * 80ms);
  will-change: opacity, transform;
}

[data-reveal][data-reveal-state="in"] {
  opacity: 1;
  transform: none;
}

/* 13. 注入式固定 UI ---------------------------------------- */
.scroll-meter {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 95;
  height: 3px;
  background: rgba(6, 24, 38, 0.7);
  pointer-events: none;
}

.scroll-meter__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--coral));
  transition: width 0.1s linear;
}

.to-top {
  position: fixed;
  right: clamp(0.9rem, 3vw, 1.6rem);
  bottom: clamp(0.9rem, 3vw, 1.6rem);
  z-index: 80;
  display: none;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--steel);
  border-radius: 50%;
  background: rgba(11, 36, 56, 0.94);
  color: var(--amber);
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s var(--ease-out);
}

.to-top[data-visible="true"] { display: grid; }

.to-top:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

/* 14. 响应式收束 ------------------------------------------- */
@media (max-width: 620px) {
  .page-head__title { max-width: none; }
  .lede { font-size: 1.05rem; }
  .ticket::after { display: none; }
  .footer__inner--meta { flex-direction: column; align-items: flex-start; }
}

@media (min-width: 1400px) {
  :root { --shell: 1320px; }
}

/* 15. 降低动态偏好 ----------------------------------------- */
@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;
    transition-delay: 0ms !important;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .scroll-meter__bar { transition: none; }
  .to-top:hover { transform: none; }
}