/* ============================================================
   欧易体育 · /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 头部 / 页脚 / 通用组件
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 132px;
}

body { margin: 0; }

h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }

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

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

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

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

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

table { border-collapse: collapse; width: 100%; }

hr { border: 0; }

/* ---------- 2. 设计令牌 ---------- */
:root {
  --ink-900: #08150F;
  --ink-800: #0E241C;
  --ink-700: #17352B;
  --ink-600: #1E4437;

  --cyan: #16E3C9;
  --cyan-bright: #3BF0DA;
  --cyan-deep: #0C7F72;

  --away: #7C93A8;
  --alert: #FF5A2B;
  --amber: #FFB020;
  --violet: #A98BFF;

  --paper: #F2F7F5;
  --text: #D6E2DD;
  --text-dim: #97AFA5;
  --text-soft: #6E8A80;

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC",
    "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-num: ui-monospace, "SFMono-Regular", "JetBrains Mono", "Cascadia Mono",
    Consolas, "Courier New", monospace;

  --shell: 1280px;
  --gutter: clamp(16px, 4vw, 40px);

  --panel-cut: 18px;
  --btn-cut: 9px;

  --dur: 280ms;
  --dur-fast: 180ms;
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
  --stagger: 70ms;

  --line: 1px solid var(--ink-700);
}

/* ---------- 3. 基础排版 ---------- */
body {
  background-color: var(--ink-900);
  background-image:
    linear-gradient(to right, rgba(23, 53, 43, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(23, 53, 43, 0.34) 1px, transparent 1px);
  background-size: 104px 104px, 104px 104px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.012em;
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.012em;
  color: var(--paper);
  font-stretch: condensed;
}

h1 { font-size: clamp(30px, 5vw, 62px); }
h2 { font-size: clamp(24px, 3.4vw, 40px); }
h3 { font-size: clamp(19px, 2.2vw, 28px); }

p { color: var(--text); }

.num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: 0;
}

::selection { background: var(--cyan); color: var(--ink-900); }

:focus { outline: none; }

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

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

.grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

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

.divider-slant {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, var(--cyan) 0%, rgba(22, 227, 201, 0.25) 38%, transparent 78%);
}

/* ---------- 5. 跳转链接 ---------- */
.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 400;
  padding: 11px 20px;
  background: var(--cyan);
  color: var(--ink-900);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  clip-path: polygon(0 8px, 8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: top var(--dur-fast) var(--ease);
}

.skip-link:focus { top: 12px; }

/* ---------- 6. 品牌标识 ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand__mark {
  position: relative;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  background: linear-gradient(150deg, var(--cyan-bright), var(--cyan-deep));
  clip-path: polygon(0 9px, 9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
  display: grid;
  place-items: center;
}

.brand__mark::before {
  content: "";
  width: 13px;
  height: 13px;
  background: var(--ink-900);
  clip-path: polygon(0 4px, 4px 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand__name {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--paper);
  font-stretch: condensed;
}

.brand__tag {
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--text-soft);
}

.brand--footer .brand__name { font-size: 17px; }

/* ---------- 7. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(8, 21, 15, 0.965);
  border-bottom: 1px solid var(--ink-700);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

/* 上层：品牌说明 */
.header-upper {
  border-bottom: 1px solid var(--ink-700);
  background-color: rgba(23, 53, 43, 0.22);
  background-image: repeating-linear-gradient(
    115deg,
    rgba(22, 227, 201, 0.055) 0 1px,
    transparent 1px 34px
  );
}

.header-upper__inner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 32px);
  padding-block: 12px;
  transition: padding var(--dur) var(--ease);
}

.site-header.is-condensed .header-upper__inner { padding-block: 6px; }

.header-statement {
  margin-left: auto;
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: 0.1em;
  color: var(--text-soft);
  padding-left: 14px;
  border-left: 1px solid var(--ink-600);
  white-space: nowrap;
}

.header-meta {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--text-soft);
  white-space: nowrap;
}

.header-meta__status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text-dim);
}

.meta-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(22, 227, 201, 0.16);
  animation: metaPulse 2.6s var(--ease) infinite;
}

@keyframes metaPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 3px rgba(22, 227, 201, 0.16); }
  50% { opacity: 0.55; box-shadow: 0 0 0 7px rgba(22, 227, 201, 0.04); }
}

/* 下层：栏目导航 */
.header-lower__inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  padding-block: 0;
}

.site-nav { display: block; }

.site-nav__list {
  display: flex;
  align-items: stretch;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
}

.site-nav__list::-webkit-scrollbar { display: none; }

.site-nav__list a {
  position: relative;
  display: block;
  padding: 17px 15px;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.site-nav__list a:hover {
  color: var(--cyan);
  background-color: rgba(22, 227, 201, 0.06);
}

.site-nav__list a[aria-current="page"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.header-utility {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
}

.util-link {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  padding-block: 4px;
  border-bottom: 1px dashed transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.util-link:hover {
  color: var(--cyan);
  border-bottom-color: rgba(22, 227, 201, 0.6);
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  color: var(--text);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  background: rgba(23, 53, 43, 0.5);
  border: 1px solid var(--ink-700);
  clip-path: polygon(0 8px, 8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.nav-toggle:hover { border-color: var(--cyan-deep); color: var(--cyan); }

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 17px;
  height: 14px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--cyan);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { transform: translateY(6px) 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(-6px) rotate(-45deg); }

/* 阅读进度条 */
.scroll-track {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(23, 53, 43, 0.9);
  overflow: hidden;
}

.scroll-track__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan-deep), var(--cyan) 70%, var(--cyan-bright));
}

/* ---------- 8. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 8vw, 112px);
  background: var(--ink-900);
  border-top: 1px solid var(--ink-700);
}

.site-footer::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan-deep) 0%, var(--cyan) 26%, var(--amber) 64%, var(--alert) 100%);
  opacity: 0.9;
}

.footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 2fr);
  gap: clamp(28px, 4vw, 68px);
  padding-block: clamp(36px, 5vw, 68px);
}

.footer__brand { min-width: 0; }

.footer__intro {
  margin-top: 18px;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}

.footer__since {
  margin-top: 16px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-soft);
}

.footer__since .num { color: var(--cyan); font-size: 14px; }

.footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px 34px;
}

.footer-col__title {
  position: relative;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--cyan);
  padding-bottom: 11px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--ink-700);
}

.footer-col__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 36px;
  height: 2px;
  background: var(--cyan);
}

.footer-col__list li + li { margin-top: 10px; }

.footer-col__list a {
  display: inline-block;
  font-size: 14px;
  color: var(--text-dim);
  transition: color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.footer-col__list a:hover {
  color: var(--cyan);
  transform: translateX(4px);
}

.footer__base {
  border-top: 1px solid var(--ink-700);
  background: rgba(23, 53, 43, 0.24);
}

.footer__base-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 26px;
  padding-block: 18px 28px;
  font-size: 12.5px;
  color: var(--text-soft);
}

.footer__legal { color: var(--text-soft); }

.footer__contact,
.footer__address { color: var(--text-dim); }

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-left: auto;
}

.footer__links a {
  color: var(--text-dim);
  border-bottom: 1px dashed rgba(23, 53, 43, 1);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.footer__links a:hover {
  color: var(--cyan);
  border-bottom-color: rgba(22, 227, 201, 0.6);
}

.footer__note {
  flex-basis: 100%;
  max-width: 78ch;
  font-size: 12px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ---------- 9. 通用组件 ---------- */
/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 22px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.07em;
  color: var(--ink-900);
  background: var(--cyan);
  clip-path: polygon(0 var(--btn-cut), var(--btn-cut) 0, 100% 0, 100% calc(100% - var(--btn-cut)), calc(100% - var(--btn-cut)) 100%, 0 100%);
  transition: transform var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.btn:hover { background: var(--cyan-bright); transform: translateY(-2px); }

.btn--primary { background: linear-gradient(120deg, var(--cyan-bright), var(--cyan)); }
.btn--primary:hover { background: linear-gradient(120deg, #6BF7E6, var(--cyan-bright)); }

.btn--ghost {
  color: var(--cyan);
  background: rgba(22, 227, 201, 0.12);
}

.btn--ghost:hover { background: rgba(22, 227, 201, 0.2); color: var(--cyan-bright); }

.btn--compact {
  --btn-cut: 7px;
  padding: 9px 16px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
}

/* 切角面板 */
.panel {
  --panel-edge: var(--ink-700);
  --panel-bg: var(--ink-800);
  position: relative;
  padding: 1px;
  background: var(--panel-edge);
  clip-path: polygon(0 var(--panel-cut), var(--panel-cut) 0, 100% 0, 100% calc(100% - var(--panel-cut)), calc(100% - var(--panel-cut)) 100%, 0 100%);
}

.panel__inner {
  height: 100%;
  padding: clamp(20px, 3vw, 32px);
  background: var(--panel-bg);
  clip-path: polygon(0 var(--panel-cut), var(--panel-cut) 0, 100% 0, 100% calc(100% - var(--panel-cut)), calc(100% - var(--panel-cut)) 100%, 0 100%);
}

.panel--invert {
  --panel-bg: var(--paper);
  --panel-edge: #C6DAD2;
}

.panel--invert .panel__inner { color: #1B3A2E; }
.panel--invert h1,
.panel--invert h2,
.panel--invert h3 { color: #0B231A; }
.panel--invert p { color: #33544A; }

/* 全宽色带 */
.band {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 24px;
  padding: 22px clamp(18px, 3.2vw, 38px);
  border-block: 1px solid var(--ink-700);
  background-color: rgba(14, 36, 28, 0.7);
  background-image: repeating-linear-gradient(115deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 28px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.band--promo {
  background-color: rgba(22, 227, 201, 0.1);
  border-color: rgba(22, 227, 201, 0.42);
}

.band--playoff {
  background-color: rgba(255, 176, 32, 0.1);
  border-color: rgba(255, 176, 32, 0.44);
}

.band--drop {
  background-color: rgba(255, 90, 43, 0.1);
  border-color: rgba(255, 90, 43, 0.44);
}

/* 状态标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.7;
  white-space: nowrap;
  clip-path: polygon(0 5px, 5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%);
}

.tag--home { background: rgba(22, 227, 201, 0.16); color: var(--cyan); }
.tag--away { background: rgba(124, 147, 168, 0.2); color: #A9BCCB; }
.tag--injury { background: rgba(169, 139, 255, 0.18); color: var(--violet); }
.tag--up { background: rgba(22, 227, 201, 0.16); color: var(--cyan); }
.tag--down { background: rgba(255, 90, 43, 0.18); color: #FF8460; }
.tag--pending { background: rgba(255, 176, 32, 0.18); color: var(--amber); }

/* 数据焦点 */
.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.stat__value {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(32px, 4.6vw, 56px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.stat__value--accent { color: var(--cyan); }
.stat__value--warn { color: var(--alert); }

.stat__label {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--text-soft);
}

/* 章节标题组 */
.section-head {
  display: grid;
  gap: 12px;
  max-width: 68ch;
}

.section-head__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.section-head__eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--cyan);
}

.section-head__title {
  font-size: clamp(26px, 3.8vw, 46px);
  line-height: 1.12;
  color: var(--paper);
}

.section-head__lead {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--text-dim);
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--text-soft);
}

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

.breadcrumb li + li::before {
  content: "/";
  padding-inline: 9px;
  color: var(--ink-600);
}

.breadcrumb a { color: var(--text-dim); transition: color var(--dur-fast) var(--ease); }
.breadcrumb a:hover { color: var(--cyan); }

.breadcrumb__current { color: var(--cyan); }

/* 正文容器 */
.prose {
  max-width: 72ch;
  font-size: 16.5px;
  line-height: 1.82;
  color: var(--text);
}

.prose > * + * { margin-top: 1.05em; }

.prose h2 { margin-top: 1.9em; font-size: clamp(21px, 2.4vw, 30px); }
.prose h3 { margin-top: 1.6em; font-size: clamp(17px, 1.9vw, 22px); }

.prose a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(22, 227, 201, 0.42);
}

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

.prose ul,
.prose ol { padding-left: 1.3em; }

.prose li { color: var(--text); }

.prose ul li { list-style: square; }
.prose ol li { list-style: decimal; }

/* 图片容器基础规则 */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--ink-700);
  border: 1px solid var(--ink-700);
  aspect-ratio: 16 / 9;
  clip-path: polygon(0 20px, 20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.media-frame__img,
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.06) brightness(0.94);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(115deg, rgba(22, 227, 201, 0.12), transparent 52%),
    repeating-linear-gradient(0deg, rgba(8, 21, 15, 0.16) 0 1px, transparent 1px 3px);
}

.media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 14px 18px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text);
  background: linear-gradient(180deg, transparent, rgba(8, 21, 15, 0.92));
}

/* ---------- 10. 动效协议 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 380ms var(--ease), transform 380ms var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

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

/* ---------- 11. 响应式 ---------- */
@media (max-width: 1120px) {
  .header-statement { display: none; }
  .util-link { display: none; }
}

@media (max-width: 960px) {
  html { scroll-padding-top: 108px; }

  .header-upper__inner { padding-block: 10px; }
  .header-lower__inner { padding-block: 10px; gap: 12px; }

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

  .header-utility { gap: 10px; }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    max-height: 74vh;
    overflow-y: auto;
    padding: 6px var(--gutter) 18px;
    background: var(--ink-900);
    border-top: 1px solid var(--ink-700);
    border-bottom: 1px solid rgba(22, 227, 201, 0.5);
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.62);
  }

  .site-nav[data-open] { display: block; }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow: visible;
  }

  .site-nav__list a {
    padding: 14px 12px;
    font-size: 15px;
    border-bottom: 1px solid var(--ink-700);
    border-left: 2px solid transparent;
  }

  .site-nav__list a:hover { background: rgba(22, 227, 201, 0.07); }

  .site-nav__list a[aria-current="page"] {
    color: var(--cyan);
    border-bottom-color: var(--ink-700);
    border-left-color: var(--cyan);
    background: rgba(22, 227, 201, 0.08);
  }

  .footer__inner { grid-template-columns: minmax(0, 1fr); }
  .footer__links { margin-left: 0; }
}

@media (max-width: 900px) {
  .grid--1-2,
  .grid--2-3,
  .grid--3-2 { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 680px) {
  .header-meta { gap: 14px; font-size: 11px; }
  .header-meta li:last-child { display: none; }
  .brand__tag { display: none; }
  .footer__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__base-inner { gap: 8px 18px; }
  .footer__note { font-size: 11.5px; }
}

@media (max-width: 420px) {
  .footer__cols { grid-template-columns: minmax(0, 1fr); }
  .btn { width: 100%; }
  .btn--compact { width: auto; }
}

/* 减弱动态效果 */
@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;
  }

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

  .meta-dot { animation: none; }
}