/* =========================================================
   云开赛场 · 共享样式 /assets/site.css
   夜赛堆叠面板系统：reset → 变量 → 排版 → 头部 → 页脚 → 组件
   ========================================================= */

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

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

body {
  margin: 0;
  background: var(--night);
  color: var(--flood);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 0.6em;
  text-wrap: balance;
}

p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
a { color: var(--mint); text-decoration: none; }
a:hover { color: #6bf5cb; }
button { font-family: inherit; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }

::selection { background: rgba(56, 232, 176, 0.28); color: var(--flood); }

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

/* ---------- 变量 ---------- */
:root {
  --night: #070C0B;
  --ink: #0E1513;
  --turf-deep: #123D2B;
  --turf-mid: #1E6B45;
  --flood: #E8F3EE;
  --mint: #38E8B0;
  --amber: #F2B33D;
  --red: #E14B3B;
  --slate: #93A69D;
  --violet: #7B6CF6;

  --line: rgba(147, 166, 157, 0.16);
  --line-strong: rgba(147, 166, 157, 0.3);
  --mint-line: rgba(56, 232, 176, 0.32);

  --shell: 1280px;
  --gut: clamp(18px, 4vw, 44px);
  --r-xl: 32px;
  --r-lg: 22px;
  --r-md: 14px;
  --r-sm: 9px;

  --font-head: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-data: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Mono", Menlo, Consolas, "Noto Sans Mono CJK SC", monospace;

  --dur: 0.24s;
}

/* ---------- 布局基础 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.skip-link {
  position: absolute;
  top: 10px;
  left: 50%;
  z-index: 200;
  transform: translate(-50%, -260%);
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--mint);
  color: #04120C;
  font-weight: 700;
  font-size: 14px;
  transition: transform var(--dur) ease;
}
.skip-link:focus-visible {
  transform: translate(-50%, 0);
  color: #04120C;
}

/* ---------- 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(7, 12, 11, 0.93);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--dur) ease;
}
@supports not ((backdrop-filter: blur(2px)) or (-webkit-backdrop-filter: blur(2px))) {
  .site-header { background: var(--night); }
}
.site-header.is-condensed {
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.55);
}

.read-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(147, 166, 157, 0.14);
  overflow: hidden;
}
.read-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--turf-mid), var(--mint));
  transition: transform 0.12s linear;
}

/* 上层看台 */
.hdr-top {
  overflow: hidden;
  max-height: 120px;
  opacity: 1;
  background: linear-gradient(90deg, rgba(18, 61, 43, 0.6), rgba(7, 12, 11, 0) 46%);
  transition: max-height 0.36s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.26s ease;
}
.site-header.is-condensed .hdr-top {
  max-height: 0;
  opacity: 0;
}

.hdr-top__inner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 32px);
  padding-block: 14px;
}

.hdr-season {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 0 auto;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
  white-space: nowrap;
}
.hdr-season b {
  color: var(--mint);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 0 rgba(56, 232, 176, 0.5);
  animation: pulse 2.6s ease-out infinite;
  flex: 0 0 auto;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(56, 232, 176, 0.5); }
  70% { box-shadow: 0 0 0 9px rgba(56, 232, 176, 0); }
  100% { box-shadow: 0 0 0 0 rgba(56, 232, 176, 0); }
}

.hdr-quick {
  display: inline-flex;
  align-items: center;
  gap: 0.65em;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(14, 21, 19, 0.9);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
  white-space: nowrap;
  transition: border-color var(--dur) ease, color var(--dur) ease, background var(--dur) ease;
}
.hdr-quick:hover {
  border-color: var(--mint-line);
  background: rgba(56, 232, 176, 0.08);
  color: var(--flood);
}
.hdr-quick__k { color: var(--flood); font-weight: 600; }
.hdr-quick__v { color: var(--slate); }

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--flood);
  text-decoration: none;
  flex: 0 0 auto;
}
.brand:hover { color: var(--flood); }

.brand__mark {
  display: inline-flex;
  align-items: flex-end;
  gap: 3px;
  height: 28px;
}
.brand__mark i {
  display: block;
  width: 4px;
  border-radius: 3px;
  background: var(--turf-mid);
}
.brand__mark i:nth-child(1) { height: 15px; }
.brand__mark i:nth-child(2) { height: 28px; background: var(--mint); }
.brand__mark i:nth-child(3) { height: 20px; background: rgba(232, 243, 238, 0.6); }

.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.04em;
}
.brand__sub {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}

/* 下层看台 */
.hdr-nav {
  border-top: 1px solid rgba(147, 166, 157, 0.09);
}
.hdr-nav__inner {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 26px);
  min-height: 58px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 3px;
  flex: 1 1 auto;
  min-width: 0;
}
.nav-list a {
  display: block;
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--slate);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: color var(--dur) ease, background var(--dur) ease;
}
.nav-list a:hover {
  color: var(--flood);
  background: rgba(232, 243, 238, 0.06);
}
.nav-list a[aria-current="page"] {
  color: #04120C;
  background: var(--mint);
}

.hdr-nav__meta {
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(147, 166, 157, 0.6);
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--flood);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color var(--dur) ease, color var(--dur) ease;
}
.nav-toggle:hover { border-color: var(--mint-line); color: var(--mint); }
.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}
.nav-toggle__bars i {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--dur) ease, opacity var(--dur) ease;
}

/* ---------- 返回顶部 ---------- */
.to-top {
  position: fixed;
  right: clamp(14px, 3vw, 30px);
  bottom: clamp(14px, 3vw, 30px);
  z-index: 95;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: var(--r-md);
  border: 1px solid var(--mint-line);
  background: rgba(14, 21, 19, 0.94);
  color: var(--mint);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--dur) ease, transform var(--dur) ease, visibility var(--dur) ease, background var(--dur) ease, color var(--dur) ease;
}
.to-top[data-shown] { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--mint); color: #04120C; }

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 10vw, 150px);
  background: linear-gradient(180deg, #08110E 0%, #050907 62%, #040706 100%);
  border-top: 1px solid var(--mint-line);
  color: rgba(232, 243, 238, 0.78);
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56, 232, 176, 0.7) 28%, rgba(30, 107, 69, 0.75) 72%, transparent);
}

.ft-deck {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.75fr);
  gap: clamp(26px, 4vw, 60px);
  padding-block: clamp(38px, 6vw, 78px);
}

.brand--footer .brand__name { font-size: 20px; }

.ft-brand__note {
  margin: 18px 0 0;
  max-width: 34ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(147, 166, 157, 0.95);
}
.ft-brand__stamp {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 18px 0 0;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--slate);
}
.ft-brand__stamp b {
  color: var(--mint);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.ft-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  gap: clamp(22px, 3vw, 42px);
}

.ft-col__t {
  font-family: var(--font-data);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mint);
  margin: 0 0 15px;
}

.ft-list { display: grid; gap: 9px; }
.ft-list a {
  display: inline-block;
  color: rgba(232, 243, 238, 0.75);
  font-size: 14.5px;
  transition: color var(--dur) ease;
}
.ft-list a::before {
  content: "/";
  font-family: var(--font-data);
  color: rgba(56, 232, 176, 0.55);
  margin-right: 0.55em;
}
.ft-list a:hover { color: var(--mint); }

.ft-meta { margin: 0; display: grid; gap: 13px; }
.ft-meta dt {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(147, 166, 157, 0.9);
  margin-bottom: 3px;
}
.ft-meta dd {
  margin: 0;
  font-size: 14.5px;
  color: rgba(232, 243, 238, 0.88);
  word-break: break-word;
}
.ft-col__hint {
  margin: 16px 0 0;
  font-size: 13px;
  color: rgba(147, 166, 157, 0.9);
  line-height: 1.65;
}

.ft-update {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: clamp(12px, 2vw, 22px);
  padding: clamp(18px, 2.6vw, 28px) clamp(18px, 3vw, 34px);
  border-radius: var(--r-lg);
  border: 1px solid rgba(56, 232, 176, 0.16);
  background: linear-gradient(120deg, rgba(18, 61, 43, 0.62), rgba(14, 21, 19, 0.5));
  margin-bottom: clamp(22px, 3.6vw, 40px);
}
.ft-update__tag {
  flex: 0 0 auto;
  padding: 5px 12px;
  border-radius: 6px;
  background: rgba(242, 179, 61, 0.12);
  border: 1px solid rgba(242, 179, 61, 0.42);
  color: var(--amber);
  font-family: var(--font-data);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.ft-update p {
  margin: 0;
  flex: 1 1 260px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(232, 243, 238, 0.8);
}

.ft-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 30px;
  padding-block: 22px;
  border-top: 1px solid var(--line);
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: rgba(147, 166, 157, 0.92);
}
.ft-base p { margin: 0; }
.ft-base b { color: rgba(232, 243, 238, 0.86); font-variant-numeric: tabular-nums; }
.ft-base__links { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.ft-base__links a { color: rgba(147, 166, 157, 0.92); }
.ft-base__links a:hover { color: var(--mint); }

/* ---------- 排版组件 ---------- */
.display {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.5rem, 7.2vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin: 0 0 0.35em;
}
.h-sec {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.4vw, 2.65rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0 0 0.45em;
}
.label {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-data);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 1.1em;
}
.label::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--mint);
}
.lede {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.75;
  color: rgba(232, 243, 238, 0.82);
  max-width: 58ch;
}
.prose {
  max-width: 68ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: rgba(232, 243, 238, 0.8);
}
.prose h2 { font-size: clamp(1.35rem, 2.6vw, 1.9rem); margin-top: 2.2em; }
.prose h3 { font-size: 1.15rem; margin-top: 1.8em; color: var(--flood); }
.prose a { border-bottom: 1px solid var(--mint-line); }
.prose strong { color: var(--flood); }

/* ---------- 面包屑 ---------- */
.crumbs { margin-bottom: 1.6em; }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 0.4em; }
.crumbs li {
  display: flex;
  align-items: center;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
}
.crumbs li + li::before {
  content: "/";
  margin-right: 0.5em;
  color: rgba(147, 166, 157, 0.5);
}
.crumbs a { color: var(--slate); }
.crumbs a:hover { color: var(--mint); }

/* ---------- 面板 / 栅格 ---------- */
.panel {
  position: relative;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: clamp(20px, 3vw, 42px);
}
.panel--turf {
  background: linear-gradient(158deg, var(--turf-deep), #0A1F16 78%);
  border-color: rgba(56, 232, 176, 0.16);
}
.panel--flat { border-radius: var(--r-lg); }

.grid { display: grid; gap: clamp(16px, 2.4vw, 30px); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: clamp(20px, 3.4vw, 48px);
  align-items: start;
}

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--line-strong);
  color: var(--slate);
  font-family: var(--font-data);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}
.tag--mint { color: var(--mint); border-color: rgba(56, 232, 176, 0.42); background: rgba(56, 232, 176, 0.08); }
.tag--amber { color: var(--amber); border-color: rgba(242, 179, 61, 0.42); background: rgba(242, 179, 61, 0.09); }
.tag--red { color: var(--red); border-color: rgba(225, 75, 59, 0.42); background: rgba(225, 75, 59, 0.09); }
.tag--violet { color: var(--violet); border-color: rgba(123, 108, 246, 0.42); background: rgba(123, 108, 246, 0.1); }

/* ---------- 图片容器 ---------- */
.frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--turf-deep), #08150F 72%);
  aspect-ratio: 16 / 10;
  isolation: isolate;
}
.frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(56, 232, 176, 0.1), transparent 46%);
  pointer-events: none;
  z-index: 1;
}
.frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 0;
}
.frame--wide { aspect-ratio: 21 / 9; }
.frame--tall { aspect-ratio: 3 / 4; }
.frame--square { aspect-ratio: 1 / 1; }
.frame__cap {
  display: block;
  margin-top: 10px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

/* ---------- 数据表 ---------- */
.tbl__wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: rgba(14, 21, 19, 0.7);
}
.tbl {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-data);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  min-width: 520px;
}
.tbl th {
  text-align: left;
  padding: 12px 14px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}
.tbl td {
  padding: 13px 14px;
  border-bottom: 1px solid rgba(147, 166, 157, 0.1);
  color: rgba(232, 243, 238, 0.88);
}
.tbl tbody tr:last-child td { border-bottom: 0; }
.tbl tbody tr:hover { background: rgba(56, 232, 176, 0.05); }
.tbl a { color: var(--mint); }

/* ---------- 手风琴 ---------- */
.acc {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(14, 21, 19, 0.8);
  padding: 0 20px;
  margin-bottom: 10px;
}
.acc summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1em;
  padding: 17px 0;
  cursor: pointer;
  font-weight: 700;
  font-size: 15.5px;
  color: var(--flood);
  list-style: none;
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after {
  content: "+";
  font-family: var(--font-data);
  font-size: 20px;
  line-height: 1;
  color: var(--mint);
  transition: transform var(--dur) ease;
}
.acc[open] summary::after { content: "–"; }
.acc[open] { border-color: rgba(56, 232, 176, 0.24); }
.acc p { margin: 0 0 18px; font-size: 15px; color: rgba(232, 243, 238, 0.78); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  padding: 0.85em 1.6em;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-head);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background var(--dur) ease, color var(--dur) ease, border-color var(--dur) ease, transform var(--dur) ease;
}
.btn:active { transform: translateY(1px); }
.btn--mint { background: var(--mint); color: #04120C; }
.btn--mint:hover { background: #5ff2c5; color: #04120C; }
.btn--ghost { border-color: var(--line-strong); color: var(--flood); }
.btn--ghost:hover { border-color: var(--mint-line); color: var(--mint); }
.btn--amber { background: var(--amber); color: #1B1204; }
.btn--amber:hover { background: #ffc85c; color: #1B1204; }
.btn--red { background: var(--red); color: #FFF3F1; }
.btn--red:hover { background: #f2634f; color: #2A0A06; }

/* ---------- 显现动效 ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.62s cubic-bezier(0.2, 0.7, 0.3, 1), transform 0.62s cubic-bezier(0.2, 0.7, 0.3, 1);
}
.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hdr-nav__meta { display: none; }
}

@media (max-width: 900px) {
  .ft-deck { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .hdr-nav__inner {
    flex-wrap: wrap;
    gap: 10px;
    padding-block: 10px;
    min-height: 0;
  }
  .nav-toggle { display: inline-flex; }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 3px;
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
    transition: max-height 0.38s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.28s ease, visibility 0.38s ease;
  }
  .hdr-nav[data-open] .nav-list {
    max-height: min(62vh, 460px);
    opacity: 1;
    visibility: visible;
    overflow-y: auto;
    padding-bottom: 12px;
  }
  .nav-list a {
    border-radius: var(--r-md);
    padding: 13px 16px;
    font-size: 15px;
  }
  .hdr-nav[data-open] .nav-toggle__bars i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .hdr-nav[data-open] .nav-toggle__bars i:nth-child(2) { opacity: 0; }
  .hdr-nav[data-open] .nav-toggle__bars i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .hdr-nav[data-open] { border-top-color: rgba(56, 232, 176, 0.22); }
}

@media (max-width: 760px) {
  .hdr-season { display: none; }
  .hdr-quick { margin-left: auto; }
  .ft-base { justify-content: flex-start; }
}

@media (max-width: 540px) {
  body { font-size: 15.5px; }
  .brand__sub { display: none; }
  .hdr-quick__v { display: none; }
  .panel { border-radius: var(--r-lg); }
  .to-top { width: 42px; height: 42px; }
}

/* ---------- 无障碍与偏好 ---------- */
@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;
    scroll-behavior: auto !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
  .read-progress__bar { transition: none; }
}

@media print {
  .site-header,
  .to-top,
  .read-progress { display: none !important; }
  body { background: #fff; color: #111; }
}