/* ==========================================================================
   百老汇牛牛牌 · 全站共享样式 /assets/site.css
   复古牌桌品牌手册：深红绒面 + 鎏金压印 + 奶油纸底 + 霓虹青微点
   ========================================================================== */

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

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

body {
  margin: 0;
  background-color: #F7F0E3;
  background-image:
    radial-gradient(circle at 10% -6%, rgba(212, 162, 76, 0.16), transparent 42%),
    radial-gradient(circle at 94% 4%, rgba(142, 27, 44, 0.09), transparent 36%);
  background-repeat: no-repeat;
  color: #14100F;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

figure { margin: 0; }

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.55em;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, "Times New Roman", serif;
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: 0.01em;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

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

a {
  color: #8E1B2C;
  text-decoration: none;
  transition: color 140ms cubic-bezier(0.2, 0.72, 0.28, 1);
}

a:hover { color: #5E0F1E; }

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

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

:where(a, button, [tabindex]):focus-visible {
  outline: 3px solid #32E0C4;
  outline-offset: 3px;
}

::selection {
  background: #D4A24C;
  color: #14100F;
}

/* ---------- 2. 变量 ---------- */
:root {
  --red: #8E1B2C;
  --red-deep: #5E0F1E;
  --gold: #D4A24C;
  --champagne: #F2D9A0;
  --ink: #14100F;
  --cream: #F7F0E3;
  --sand: #E8DCC8;
  --neon: #32E0C4;
  --brown: #7A6A5C;
  --green: #2E7D5B;

  --line-gold: 1px solid rgba(212, 162, 76, 0.38);
  --line-ink: 1px solid rgba(20, 16, 15, 0.14);

  --r-sm: 10px;
  --r-md: 18px;
  --r-lg: 28px;
  --r-pill: 999px;

  --shell: 1240px;
  --gutter: clamp(16px, 4vw, 44px);

  --ease: cubic-bezier(0.2, 0.72, 0.28, 1);
  --t-fast: 140ms;
  --t-mid: 220ms;

  --shadow-card: 0 22px 48px -34px rgba(20, 16, 15, 0.72);
}

/* ---------- 3. 容器与基础排版 ---------- */
.shell {
  width: min(var(--shell), 100% - 2 * var(--gutter));
  margin-inline: auto;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.34em;
  color: var(--brown);
}

.prose {
  max-width: 68ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: #2A211C;
}

.prose p { margin-bottom: 1.15em; }
.prose h2, .prose h3 { margin-top: 1.6em; color: var(--ink); }
.prose ul, .prose ol { margin: 0 0 1.15em; padding-left: 1.2em; list-style: disc; }
.prose li { margin-bottom: 0.4em; }

.num {
  font-family: "Bebas Neue", "DIN Condensed", "Oswald", "Arial Narrow", Impact, sans-serif;
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: 0.02em;
  font-feature-settings: "tnum" 1;
}

/* ---------- 4. 跳转链接 ---------- */
.skip-link {
  position: absolute;
  left: 50%;
  top: -120px;
  z-index: 300;
  transform: translateX(-50%);
  padding: 12px 24px;
  border-radius: var(--r-pill);
  background: var(--ink);
  color: var(--champagne);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: top var(--t-mid) var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  top: 14px;
  color: var(--champagne);
}

/* ---------- 5. 滚动进度 ---------- */
.scroll-progress {
  position: fixed;
  inset-inline: 0;
  top: 0;
  height: 3px;
  z-index: 140;
  background: rgba(20, 16, 15, 0.16);
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--red-deep), var(--red) 28%, var(--gold) 68%, var(--neon));
  transition: transform 90ms linear;
}

/* ---------- 6. 刊头 ---------- */
.masthead {
  position: relative;
  isolation: isolate;
  background: linear-gradient(180deg, #9C1E31 0%, var(--red) 48%, var(--red-deep) 100%);
  color: var(--champagne);
  border-bottom: 3px solid var(--gold);
}

.masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(242, 217, 160, 0.055) 0 1px, transparent 1px 96px),
    radial-gradient(120% 96% at 50% -10%, rgba(212, 162, 76, 0.26), transparent 62%);
}

.masthead__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: clamp(12px, 2vw, 30px);
  min-height: 88px;
  padding-block: 16px 12px;
}

.masthead__left {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-self: start;
}

.masthead__right {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-self: end;
}

.archive-link {
  position: relative;
  display: inline-block;
  padding-bottom: 3px;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  color: var(--champagne);
  border-bottom: 1px solid rgba(242, 217, 160, 0.42);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.archive-link:hover,
.archive-link:focus-visible {
  color: #FFFFFF;
  border-bottom-color: var(--neon);
}

.masthead__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: rgba(242, 217, 160, 0.78);
  white-space: nowrap;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 3px rgba(50, 224, 196, 0.2);
  animation: dotPulse 2.6s var(--ease) infinite;
}

@keyframes dotPulse {
  50% { box-shadow: 0 0 0 8px rgba(50, 224, 196, 0); }
}

/* 品牌章 */
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-self: center;
  color: var(--champagne);
  text-align: left;
}

.brand:hover { color: var(--champagne); }

.brand__seal {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: radial-gradient(circle at 32% 26%, #FFEEC6 0%, var(--gold) 58%, #A8762C 100%);
  color: var(--red-deep);
  font-family: "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  font-size: 1.5rem;
  font-weight: 900;
  line-height: 1;
  box-shadow:
    inset 0 0 0 3px rgba(20, 16, 15, 0.26),
    0 12px 22px -16px rgba(0, 0, 0, 0.9);
}

.brand__text { display: block; }

.brand__name {
  display: block;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
  font-size: clamp(1.32rem, 2.1vw, 1.86rem);
  font-weight: 900;
  letter-spacing: 0.14em;
  line-height: 1.1;
  background: linear-gradient(180deg, #FDF0CE 0%, var(--gold) 56%, #A8762C 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.brand__sub {
  display: block;
  margin-top: 3px;
  font-size: 0.7rem;
  letter-spacing: 0.26em;
  color: rgba(242, 217, 160, 0.72);
}

/* 胶囊 */
.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 20px;
  border-radius: var(--r-pill);
  border: 1px solid var(--gold);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  white-space: nowrap;
  transition:
    background-color var(--t-mid) var(--ease),
    color var(--t-mid) var(--ease),
    border-color var(--t-mid) var(--ease),
    transform var(--t-fast) var(--ease),
    box-shadow var(--t-mid) var(--ease);
}

.pill--ghost {
  background: transparent;
  color: var(--champagne);
}

.pill--ghost:hover,
.pill--ghost:focus-visible {
  background: var(--champagne);
  border-color: var(--champagne);
  color: var(--red-deep);
}

.pill--solid {
  background: linear-gradient(180deg, #F6DEA8 0%, var(--gold) 100%);
  border-color: #FFE9BE;
  color: var(--ink);
  box-shadow: 0 12px 24px -18px rgba(0, 0, 0, 0.95);
}

.pill--solid:hover,
.pill--solid:focus-visible {
  background: var(--champagne);
  color: var(--ink);
  transform: translateY(-1px);
}

/* 栏目条 */
.masthead__navrow {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding-block: 10px 14px;
}

.masthead__navrow::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(242, 217, 160, 0.5) 22%, rgba(242, 217, 160, 0.5) 78%, transparent);
}

.nav { display: block; }

.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 34px);
}

.nav__list a {
  position: relative;
  display: inline-block;
  padding: 6px 2px;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(242, 217, 160, 0.86);
  transition: color var(--t-fast) var(--ease);
}

.nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--t-mid) var(--ease), background-color var(--t-mid) var(--ease);
}

.nav__list a:hover,
.nav__list a:focus-visible {
  color: #FFFFFF;
}

.nav__list a:hover::after,
.nav__list a:focus-visible::after {
  transform: scaleX(1);
}

.nav__list a[aria-current="page"] {
  color: var(--champagne);
  font-weight: 700;
}

.nav__list a[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--neon);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(242, 217, 160, 0.5);
  background: transparent;
  color: var(--champagne);
  font-size: 0.84rem;
  letter-spacing: 0.16em;
  transition: background-color var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease), color var(--t-mid) var(--ease);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  background: rgba(242, 217, 160, 0.14);
  border-color: var(--champagne);
  color: #FFFFFF;
}

.nav-toggle__bars {
  width: 16px;
  height: 12px;
  background:
    linear-gradient(currentColor, currentColor) top / 100% 2px no-repeat,
    linear-gradient(currentColor, currentColor) center / 100% 2px no-repeat,
    linear-gradient(currentColor, currentColor) bottom / 100% 2px no-repeat;
  transition: transform var(--t-mid) var(--ease);
}

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

.masthead__page {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: "Bebas Neue", "DIN Condensed", "Arial Narrow", sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.34em;
  color: rgba(242, 217, 160, 0.5);
  pointer-events: none;
}

/* 移动端展开态 */
.masthead[data-open] .nav-toggle {
  border-color: var(--neon);
  color: #FFFFFF;
  background: rgba(50, 224, 196, 0.14);
}

.masthead[data-open] .nav-toggle__bars { transform: rotate(90deg); }

/* ---------- 7. 悬浮快捷条 ---------- */
.quickbar {
  position: fixed;
  right: max(14px, env(safe-area-inset-right));
  bottom: 26px;
  z-index: 130;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px;
  border-radius: 24px;
  background: rgba(94, 15, 30, 0.95);
  border: 1px solid rgba(212, 162, 76, 0.55);
  box-shadow: 0 26px 52px -34px rgba(0, 0, 0, 0.95);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.96);
  transition:
    opacity var(--t-mid) var(--ease),
    transform var(--t-mid) var(--ease),
    visibility var(--t-mid) var(--ease);
}

.quickbar.is-docked {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.quickbar__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  color: var(--champagne);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  transition: background-color var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease), color var(--t-mid) var(--ease);
}

.quickbar__link:hover,
.quickbar__link:focus-visible {
  background: rgba(212, 162, 76, 0.18);
  border-color: rgba(212, 162, 76, 0.62);
  color: #FFFFFF;
}

.quickbar__link--primary {
  background: linear-gradient(180deg, #F6DEA8, var(--gold));
  color: var(--ink);
  border-color: #FFE9BE;
}

.quickbar__link--primary:hover,
.quickbar__link--primary:focus-visible {
  background: var(--champagne);
  color: var(--ink);
}

/* ---------- 8. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 9vw, 120px);
  overflow: hidden;
  background: linear-gradient(180deg, var(--red-deep) 0%, #3A0812 100%);
  border-top: 3px solid var(--gold);
  color: rgba(242, 217, 160, 0.78);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -8%;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: repeating-conic-gradient(from 0deg, rgba(212, 162, 76, 0.16) 0deg 3deg, transparent 3deg 11deg);
  -webkit-mask: radial-gradient(circle, transparent 52%, #000 53%);
  mask: radial-gradient(circle, transparent 52%, #000 53%);
  pointer-events: none;
  opacity: 0.6;
}

.site-footer > * {
  position: relative;
  z-index: 1;
}

.footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.35fr);
  align-items: start;
  gap: clamp(28px, 5vw, 72px);
  padding-block: clamp(38px, 6vw, 68px) clamp(26px, 4vw, 44px);
}

.footer__kicker {
  margin: 0 0 16px;
  font-size: 0.74rem;
  letter-spacing: 0.3em;
  color: rgba(242, 217, 160, 0.6);
}

.footer__brand { display: inline-block; }

.footer__brand-cn {
  display: block;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  font-weight: 900;
  letter-spacing: 0.1em;
  line-height: 1.05;
  background: linear-gradient(180deg, #FFF0CB 0%, var(--gold) 60%, #9C6C24 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.footer__brand-en {
  display: block;
  margin-top: 10px;
  font-family: "Bebas Neue", "DIN Condensed", "Arial Narrow", sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.42em;
  color: rgba(242, 217, 160, 0.5);
}

.footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 36px);
}

.footer__title {
  margin: 0 0 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(212, 162, 76, 0.34);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  color: var(--gold);
}

.footer__list li { margin-top: 12px; }

.footer__list a {
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(242, 217, 160, 0.82);
  word-break: break-word;
}

.footer__list a:hover,
.footer__list a:focus-visible {
  color: #FFFFFF;
}

.footer__legal {
  display: grid;
  gap: 10px;
  padding-block: clamp(20px, 3vw, 30px) clamp(26px, 4vw, 40px);
  border-top: 1px solid rgba(212, 162, 76, 0.3);
  font-size: 0.8rem;
  line-height: 1.8;
  color: rgba(242, 217, 160, 0.62);
}

.footer__contact,
.footer__address { margin: 0; }

.footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  margin-top: 8px;
  padding-top: 14px;
  border-top: 1px dashed rgba(212, 162, 76, 0.26);
}

.footer__icp {
  display: inline-flex;
  padding: 4px 14px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(212, 162, 76, 0.4);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: rgba(242, 217, 160, 0.8);
}

.footer__copy {
  font-size: 0.78rem;
  color: rgba(242, 217, 160, 0.6);
}

/* ---------- 9. 通用按钮 / 标签 / 面包屑 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 26px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-align: center;
  transition:
    background-color var(--t-mid) var(--ease),
    color var(--t-mid) var(--ease),
    border-color var(--t-mid) var(--ease),
    transform var(--t-fast) var(--ease),
    box-shadow var(--t-mid) var(--ease);
}

.btn--gold {
  background: linear-gradient(180deg, #F6DEA8, var(--gold));
  border-color: #FFE9BE;
  color: var(--ink);
  box-shadow: 0 18px 34px -26px rgba(20, 16, 15, 0.95);
}

.btn--gold:hover,
.btn--gold:focus-visible {
  background: var(--champagne);
  color: var(--ink);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  border-color: var(--red);
  color: var(--red);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background: var(--red);
  border-color: var(--red);
  color: var(--cream);
}

.btn--ink {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--champagne);
}

.btn--ink:hover,
.btn--ink:focus-visible {
  background: var(--red-deep);
  border-color: var(--red-deep);
  color: var(--champagne);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 12px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(20, 16, 15, 0.1);
  background: var(--sand);
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.tag--gold {
  background: rgba(212, 162, 76, 0.22);
  border-color: rgba(212, 162, 76, 0.55);
  color: #7A4E12;
}

.tag--neon {
  background: rgba(50, 224, 196, 0.16);
  border-color: rgba(50, 224, 196, 0.55);
  color: #12655A;
}

.breadcrumb {
  margin-bottom: 18px;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--brown);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb li + li::before {
  content: "／";
  color: rgba(122, 106, 92, 0.5);
}

.breadcrumb a { color: var(--red); }
.breadcrumb a:hover { text-decoration: underline; }

/* ---------- 10. 图片容器基础规则 ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  min-height: 120px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(212, 162, 76, 0.42);
  background-color: var(--red-deep);
  background-image:
    radial-gradient(circle at 24% 16%, rgba(212, 162, 76, 0.34), transparent 56%),
    repeating-linear-gradient(135deg, rgba(242, 217, 160, 0.06) 0 1px, transparent 1px 14px),
    linear-gradient(160deg, var(--red) 0%, var(--red-deep) 62%, #2A0A11 100%);
  color: var(--champagne);
  box-shadow: var(--shadow-card);
}

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

.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x5 { aspect-ratio: 4 / 5; }
.media--1x1 { aspect-ratio: 1 / 1; }
.media--wide { aspect-ratio: 21 / 9; }

.media__caption {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  padding: 14px 18px;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: rgba(242, 217, 160, 0.9);
  background: linear-gradient(0deg, rgba(20, 16, 15, 0.78), transparent);
}

/* ---------- 11. 装饰：筹码环 ---------- */
.chip-ring {
  position: absolute;
  width: min(56vw, 320px);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.72;
  background:
    repeating-conic-gradient(from 0deg, rgba(242, 217, 160, 0.3) 0deg 3deg, transparent 3deg 10deg),
    radial-gradient(circle, transparent 58%, rgba(212, 162, 76, 0.18) 59% 63%, transparent 64%);
  -webkit-mask: radial-gradient(circle, transparent 56%, #000 57%);
  mask: radial-gradient(circle, transparent 56%, #000 57%);
}

/* ---------- 12. 响应式 ---------- */
@media (max-width: 1100px) {
  .masthead__page { display: none; }
}

@media (max-width: 1024px) {
  .masthead__status { display: none; }
}

@media (max-width: 980px) {
  .footer__top { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .masthead__inner {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 14px;
    min-height: 0;
    padding-block: 18px 10px;
    text-align: center;
  }

  .masthead__left { display: none; }
  .masthead__right { justify-self: center; }
  .brand { justify-self: center; }

  .masthead__navrow {
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    padding-inline: 2px;
    padding-bottom: 16px;
  }

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

  .nav {
    display: none;
    flex: 1 0 100%;
    order: 3;
    width: 100%;
  }

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

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    padding-bottom: 6px;
  }

  .nav__list a {
    display: block;
    padding: 13px 4px;
    font-size: 1rem;
    border-top: 1px solid rgba(242, 217, 160, 0.18);
  }

  .nav__list a::after { display: none; }

  .nav__list a[aria-current="page"] { color: var(--neon); }

  .footer__legal { font-size: 0.78rem; }
}

@media (max-width: 720px) {
  .quickbar {
    left: max(12px, env(safe-area-inset-left));
    right: max(12px, env(safe-area-inset-right));
    bottom: calc(12px + env(safe-area-inset-bottom));
    flex-direction: row;
    justify-content: space-between;
    gap: 6px;
    padding: 8px;
    border-radius: 20px;
    transform: translateY(28px);
  }

  .quickbar.is-docked { transform: none; }

  .quickbar__link {
    flex: 1 1 0;
    padding: 10px 6px;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
  }

  .brand__seal {
    width: 46px;
    height: 46px;
    font-size: 1.25rem;
  }
}

@media (max-width: 640px) {
  .footer__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__col:last-child { grid-column: 1 / -1; }
  .footer__base { justify-content: flex-start; }
  .masthead__right { flex-wrap: wrap; justify-content: center; }
  .pill { min-height: 38px; padding: 0 16px; font-size: 0.84rem; }
}

@media (max-width: 420px) {
  .footer__cols { grid-template-columns: 1fr; }
  .footer__col:last-child { grid-column: auto; }
}

/* ---------- 13. 动效降级 ---------- */
@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;
  }

  .dot { animation: none; }
  .quickbar { transition: none; }
  .scroll-progress span { transition: none; }
}