/* ==========================================================================
   贝投赛事 · 共享样式表  /assets/site.css
   深海靛蓝底 + 贝母珍珠白高光 + 珊瑚橙信号色
   状态一律用 data-* 属性承载，交互钩子与样式解耦
   ========================================================================== */

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

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

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

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

a { color: inherit; }

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

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

[hidden] { display: none !important; }

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

/* ---------- 2. 设计令牌 ---------- */
:root {
  color-scheme: dark;

  /* 品牌色 */
  --indigo-abyss: #0A1E3F;
  --indigo-midnight: #132C57;
  --pearl: #F5F2EA;
  --nacre: #AFC0D6;
  --coral: #FF6B4A;
  --coral-veil: #FFD9CE;
  --signal-teal: #2FD0C4;
  --wine: #5B2A4A;
  --ink-deep: #06132A;
  --brass: #D8B679;

  /* 语义映射 */
  --bg-base: var(--indigo-abyss);
  --bg-raised: var(--indigo-midnight);
  --bg-deep: var(--ink-deep);
  --fg: var(--pearl);
  --fg-soft: var(--nacre);
  --fg-dim: #7E92B2;
  --accent: var(--coral);
  --accent-ink: #25100A;
  --line: rgba(175, 192, 214, 0.16);
  --line-strong: rgba(175, 192, 214, 0.36);

  /* 字体 */
  --font-display: "HarmonyOS Sans SC", "Noto Sans SC", "Source Han Sans SC",
    "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
  --font-body: "Noto Sans SC", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei",
    "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo,
    Consolas, "Courier New", monospace;

  /* 尺度 */
  --shell-max: 1280px;
  --gutter: clamp(1.1rem, 4vw, 3rem);
  --band: clamp(3.5rem, 8vw, 7rem);
  --radius-s: 10px;
  --radius-m: 18px;
  --radius-l: 28px;

  --ease-out: cubic-bezier(0.22, 0.68, 0.32, 1);
  --dur: 280ms;
}

/* ---------- 3. 基底与中文排版 ---------- */
body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  font-weight: 400;
  color: var(--fg);
  background-color: var(--bg-base);
  background-image:
    radial-gradient(1180px 620px at 84% -10%, rgba(47, 208, 196, 0.11), transparent 62%),
    radial-gradient(920px 540px at -8% 16%, rgba(91, 42, 74, 0.36), transparent 60%),
    radial-gradient(780px 460px at 52% 114%, rgba(255, 107, 74, 0.08), transparent 66%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a:hover { color: var(--signal-teal); }

/* ---------- 4. 排版阶梯 ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.6rem, 7.2vw, 5rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.heading-xl {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4.6vw, 2.75rem);
  line-height: 1.14;
  letter-spacing: -0.015em;
}

.heading-l {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 3.4vw, 2.25rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.heading-m {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  line-height: 1.34;
  letter-spacing: -0.005em;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brass);
}

.lede {
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.7;
  color: var(--fg-soft);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.prose { color: var(--fg-soft); }

.prose p { max-width: 38em; }

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

.prose ul {
  max-width: 38em;
  margin-top: 0.75em;
  padding-left: 1.1em;
  list-style: disc;
}

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

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

.t-coral { color: var(--coral); }
.t-teal { color: var(--signal-teal); }
.t-brass { color: var(--brass); }
.t-soft { color: var(--fg-soft); }
.t-dim { color: var(--fg-dim); }

/* ---------- 5. 布局骨架 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.shell--tight { max-width: 1040px; }

.section { padding-block: var(--band); }
.section--tight { padding-block: clamp(2.4rem, 5vw, 4rem); }
.section--flush-top { padding-top: 0; }
.section--flush-bottom { padding-bottom: 0; }

.section--pearl {
  --fg: var(--indigo-abyss);
  --fg-soft: #46587A;
  --fg-dim: #6D7E9C;
  --line: rgba(10, 30, 63, 0.14);
  --line-strong: rgba(10, 30, 63, 0.3);
  color: var(--indigo-abyss);
  background: var(--pearl);
  border-radius: clamp(28px, 5vw, 64px);
}

.section--indigo {
  background: var(--bg-raised);
  border-radius: clamp(28px, 5vw, 64px);
}

.section--wine {
  background: var(--wine);
  border-radius: clamp(28px, 5vw, 64px);
}

.section-head {
  display: grid;
  gap: 0.7rem;
  margin-bottom: clamp(1.6rem, 3vw, 2.8rem);
}

.section-head--split {
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  align-items: end;
  gap: 1rem 2.4rem;
}

.section-head__note {
  font-size: 0.95rem;
  color: var(--fg-soft);
}

.grid {
  display: grid;
  gap: clamp(1rem, 2.2vw, 2rem);
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--asym { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); }
.grid--lead { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }

.stack { display: grid; gap: 1rem; }
.stack--loose { gap: clamp(1.4rem, 3vw, 2.4rem); }

.divider {
  height: 1px;
  border: 0;
  margin: 0;
  background: var(--line);
}

.scale-rule {
  height: 12px;
  color: rgba(216, 182, 121, 0.5);
  background-image:
    repeating-linear-gradient(90deg, currentColor 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, currentColor 0 1px, transparent 1px 8px);
  background-repeat: repeat-x, repeat-x;
  background-size: 24px 12px, 8px 7px;
  background-position: 0 100%, 0 100%;
}

/* ---------- 6. 按钮与标签 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.82em 1.6em;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.97rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--dur) var(--ease-out),
    color var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out),
    transform var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out);
}

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

.btn--signal {
  background: var(--coral);
  color: var(--accent-ink);
  box-shadow: 0 14px 32px -18px rgba(255, 107, 74, 0.9);
}

.btn--signal:hover {
  background: var(--coral-veil);
  color: #8C2A12;
}

.btn--outline {
  border-color: var(--line-strong);
  color: var(--fg);
}

.btn--outline:hover {
  border-color: var(--signal-teal);
  color: var(--signal-teal);
}

.btn--brass {
  border-color: rgba(216, 182, 121, 0.55);
  color: var(--brass);
}

.btn--brass:hover {
  border-color: var(--brass);
  background: rgba(216, 182, 121, 0.12);
  color: var(--pearl);
}

.btn--block { width: 100%; }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.32em 0.78em;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--fg-soft);
  white-space: nowrap;
}

.tag--signal {
  border-color: rgba(255, 107, 74, 0.5);
  background: rgba(255, 107, 74, 0.1);
  color: var(--coral);
}

.tag--teal {
  border-color: rgba(47, 208, 196, 0.45);
  color: var(--signal-teal);
}

.tag--brass {
  border-color: rgba(216, 182, 121, 0.5);
  color: var(--brass);
}

.file-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.34rem 0.9rem;
  border-radius: 0 0 var(--radius-s) var(--radius-s);
  background: var(--brass);
  color: var(--ink-deep);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ---------- 7. 卡片与数据组件 ---------- */
.panel {
  position: relative;
  padding: clamp(1.15rem, 2.4vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--bg-raised);
}

.panel--deep { background: var(--bg-deep); }

.panel--wine {
  background: var(--wine);
  border-color: rgba(245, 242, 234, 0.16);
}

.panel--light {
  --fg: var(--indigo-abyss);
  --fg-soft: #46587A;
  --fg-dim: #6D7E9C;
  --line: rgba(10, 30, 63, 0.14);
  --line-strong: rgba(10, 30, 63, 0.3);
  background: var(--pearl);
  border-color: rgba(10, 30, 63, 0.12);
  color: var(--indigo-abyss);
}

.panel__note {
  font-size: 0.92rem;
  line-height: 1.68;
  color: var(--fg-soft);
}

.figure-lg {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.6rem, 6vw, 4rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--coral);
}

.figure-lg--teal { color: var(--signal-teal); }
.figure-lg--brass { color: var(--brass); }

.field-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.2rem;
  padding-block: 0.7rem;
  border-bottom: 1px solid var(--line);
}

.field-row__key {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
}

.field-row__val {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--fg);
}

/* ---------- 8. 图片容器基础规则 ---------- */
.frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background-color: var(--bg-raised);
  background-image:
    radial-gradient(120% 92% at 78% 10%, rgba(47, 208, 196, 0.22), transparent 58%),
    radial-gradient(112% 82% at 8% 94%, rgba(255, 107, 74, 0.16), transparent 60%),
    linear-gradient(155deg, #17366A 0%, var(--indigo-midnight) 46%, var(--ink-deep) 100%);
  isolation: isolate;
}

.frame > img,
.frame > picture,
.frame > picture > img,
.frame__media {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.frame--16x9 { aspect-ratio: 16 / 9; }
.frame--4x3 { aspect-ratio: 4 / 3; }
.frame--1x1 { aspect-ratio: 1 / 1; }
.frame--3x4 { aspect-ratio: 3 / 4; }
.frame--tall { aspect-ratio: 5 / 6; }

.frame--arc {
  border-radius: clamp(64px, 12vw, 140px) clamp(64px, 12vw, 140px) var(--radius-m) var(--radius-m);
}

.frame--pearl {
  border-color: rgba(10, 30, 63, 0.14);
  background-color: var(--pearl);
  background-image:
    radial-gradient(120% 90% at 80% 8%, rgba(47, 208, 196, 0.18), transparent 60%),
    linear-gradient(160deg, #FFFFFF 0%, var(--pearl) 100%);
}

.frame__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.6rem 1.2rem 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.06em;
  color: var(--pearl);
  background: linear-gradient(to top, rgba(6, 19, 42, 0.88), transparent);
}

.ripple-field {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-radial-gradient(
    circle at 72% 26%,
    rgba(245, 242, 234, 0.14) 0 1px,
    transparent 1px 20px
  );
  mix-blend-mode: screen;
}

/* ---------- 9. 面包屑 ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
}

.crumbs a {
  color: var(--fg-soft);
  text-decoration: none;
  transition: color var(--dur) var(--ease-out);
}

.crumbs a:hover { color: var(--signal-teal); }

.crumbs li + li::before {
  content: "/";
  margin-right: 0.55rem;
  color: var(--fg-dim);
}

/* ---------- 10. 主题筛选 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: clamp(1.2rem, 2.6vw, 2rem);
}

.filter-chip {
  padding: 0.46em 1.1em;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--fg-soft);
  transition: color var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out),
    background-color var(--dur) var(--ease-out);
}

.filter-chip:hover {
  border-color: var(--signal-teal);
  color: var(--signal-teal);
}

.filter-chip[aria-pressed="true"] {
  border-color: var(--coral);
  background: rgba(255, 107, 74, 0.14);
  color: var(--coral);
}

/* ---------- 11. 页头 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 0.72rem 1.3rem;
  border-radius: 999px;
  background: var(--coral);
  color: var(--accent-ink);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform 200ms var(--ease-out);
}

.skip-link:focus-visible { transform: none; }

.masthead {
  position: sticky;
  top: 0;
  z-index: 80;
  padding-top: 6px;
  background: rgba(10, 30, 63, 0.86);
  -webkit-backdrop-filter: blur(16px) saturate(135%);
  backdrop-filter: blur(16px) saturate(135%);
  border-bottom: 1px solid var(--line);
  transition: background-color var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out);
}

.masthead::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(216, 182, 121, 0.55) 0 1px,
    transparent 1px 14px
  );
  background-repeat: repeat-x;
  background-size: 14px 6px;
  opacity: 0.85;
}

.masthead[data-stuck] {
  background: rgba(6, 19, 42, 0.95);
  border-bottom-color: var(--line-strong);
}

.masthead__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--signal-teal), var(--coral));
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 120ms linear;
}

.masthead__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: clamp(0.7rem, 1.6vw, 1.05rem);
  transition: padding-block 260ms var(--ease-out);
}

.masthead[data-stuck] .masthead__inner {
  padding-block: clamp(0.5rem, 1.1vw, 0.7rem);
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--fg);
  transition: opacity var(--dur) var(--ease-out);
}

.brand:hover { color: var(--fg); opacity: 0.92; }

.brand__mark {
  display: grid;
  place-items: center;
  flex: none;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(216, 182, 121, 0.5);
  border-radius: 50% 50% 42% 58% / 55% 45% 55% 45%;
  background: linear-gradient(140deg, var(--signal-teal) 0%, var(--indigo-midnight) 62%);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--pearl);
}

.brand__text {
  display: grid;
  gap: 2px;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.16rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.1;
}

.brand__edition {
  padding-left: 0.7rem;
  border-left: 1px solid rgba(216, 182, 121, 0.42);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--brass);
  white-space: nowrap;
  line-height: 1.4;
}

.brand--footer .brand__mark {
  width: 34px;
  height: 34px;
  font-size: 0.92rem;
}

/* 导航 */
.nav-rail {
  display: flex;
  align-items: center;
}

.nav-rail__list {
  display: flex;
  align-items: center;
  gap: clamp(0.35rem, 1.5vw, 1.5rem);
}

.nav-rail__item { list-style: none; }

.nav-rail__link {
  position: relative;
  display: block;
  padding: 0.6rem 0.15rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg-soft);
  text-decoration: none;
  transition: color var(--dur) var(--ease-out);
}

.nav-rail__link::after {
  content: "";
  position: absolute;
  left: 0.15rem;
  right: 0.15rem;
  bottom: 0.32rem;
  height: 2px;
  border-radius: 2px;
  background: var(--coral);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 260ms var(--ease-out);
}

.nav-rail__link:hover { color: var(--pearl); }
.nav-rail__link:hover::after { transform: scaleX(1); }

.nav-rail__link[aria-current="page"] { color: var(--pearl); }
.nav-rail__link[aria-current="page"]::after { transform: scaleX(1); }

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 1rem 0.55rem 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--fg);
  transition: color var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out);
}

.nav-toggle:hover {
  border-color: var(--signal-teal);
  color: var(--signal-teal);
}

.nav-toggle[aria-expanded="true"] {
  border-color: rgba(255, 107, 74, 0.55);
  color: var(--coral);
}

.nav-toggle__bars {
  display: grid;
  gap: 4px;
  width: 18px;
}

.nav-toggle__bars i {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 260ms var(--ease-out);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:first-child {
  transform: translateY(3px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

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

.is-nav-locked { overflow: hidden; }

/* ---------- 12. 页脚 ---------- */
.colophon {
  position: relative;
  margin-top: var(--band);
  padding-block: clamp(2.6rem, 6vw, 4.5rem) 1.6rem;
  background: var(--bg-deep);
  border-top: 1px solid var(--line);
  color: var(--fg-soft);
}

.colophon::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(216, 182, 121, 0.42) 0 1px,
    transparent 1px 18px
  );
  background-repeat: repeat-x;
  background-size: 18px 4px;
}

.colophon__inner {
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 4.5vw, 3.4rem);
}

.colophon__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.35fr);
  gap: clamp(1.6rem, 3vw, 3rem);
}

.colophon__brand { min-width: 0; }

.colophon__pitch {
  max-width: 26em;
  margin-top: 1.1rem;
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--fg-soft);
}

.colophon__stamp {
  margin-top: 1.1rem;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: rgba(216, 182, 121, 0.78);
}

.colophon__nav { min-width: 0; }

.colophon__title {
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--brass);
}

.colophon__list {
  display: grid;
  gap: 0.58rem;
  font-size: 0.94rem;
  line-height: 1.6;
}

.colophon__list a {
  text-decoration: none;
  color: var(--fg-soft);
  transition: color var(--dur) var(--ease-out);
  word-break: break-word;
}

.colophon__list a:hover { color: var(--signal-teal); }

.colophon__contact { min-width: 0; }

.colophon__cta { margin-top: 1.3rem; }

.colophon__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.6rem;
  padding-top: 1.3rem;
  border-top: 1px solid rgba(175, 192, 214, 0.14);
  font-size: 0.82rem;
  color: var(--fg-dim);
}

.colophon__copy { margin: 0; }

.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem;
}

.legal-links a {
  text-decoration: none;
  color: var(--fg-dim);
  transition: color var(--dur) var(--ease-out);
}

.legal-links a:hover { color: var(--signal-teal); }

.colophon__icp {
  margin: 0;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ---------- 13. 滚动显现 ---------- */
[data-reveal] { opacity: 1; }

[data-reveal-ready] [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 420ms var(--ease-out), transform 420ms var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

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

/* ---------- 14. 响应式 ---------- */
@media (max-width: 1080px) {
  .grid--3,
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

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

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

  .colophon__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }

  .nav-rail {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 120;
    width: min(86vw, 350px);
    flex-direction: column;
    align-items: stretch;
    padding: 5.6rem 1.5rem 2rem;
    background: var(--bg-deep);
    border-left: 1px solid var(--line-strong);
    box-shadow: -36px 0 80px -44px rgba(0, 0, 0, 0.95);
    overflow-y: auto;
    transform: translateX(102%);
    transition: transform 340ms var(--ease-out);
  }

  .nav-rail[data-open] { transform: none; }

  .nav-rail__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-rail__link {
    padding: 1rem 0.25rem;
    font-size: 1.05rem;
    color: var(--pearl);
    border-bottom: 1px solid var(--line);
  }

  .nav-rail__link::after { display: none; }

  .nav-rail__link[aria-current="page"] {
    padding-left: 0.95rem;
    color: var(--coral);
  }

  .nav-rail__link[aria-current="page"]::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.95rem;
    bottom: 0.95rem;
    width: 2px;
    border-radius: 2px;
    background: var(--coral);
  }

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

@media (max-width: 680px) {
  body { font-size: 16px; }

  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: minmax(0, 1fr); }

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

  .brand__edition { display: none; }

  .section--pearl,
  .section--indigo,
  .section--wine { border-radius: 24px; }
}

@media (max-width: 420px) {
  .nav-toggle { padding: 0.5rem 0.8rem; }
  .nav-toggle__label { display: none; }
}

/* ---------- 15. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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