/* ==========================================================================
   得胜28 · victory-28.com.cn 全站共享样式 / assets/site.css
   深色首屏 → 浅色正文 → 深色收尾，斜切过渡，玻璃叠加导航
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 108px;
  scroll-behavior: smooth;
}

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

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

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

img { 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; border-spacing: 0; width: 100%; }

hr { border: 0; }

/* ---------- 2. 变量 ---------- */
:root {
  /* 色彩令牌 */
  --red: #C8102E;
  --red-deep: #8A0A20;
  --ink: #0D0D11;
  --ink-2: #1A1A21;
  --cyan: #22D3C5;
  --cyan-deep: #0E7C74;
  --gold: #F0B429;
  --bone: #F7F4EF;
  --paper: #FFFFFF;
  --gray: #4A4A55;

  --glass: rgba(255, 255, 255, 0.08);
  --glass-line: rgba(255, 255, 255, 0.18);
  --line: rgba(13, 13, 17, 0.12);
  --line-soft: rgba(13, 13, 17, 0.07);

  --font-head: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --maxw: 1280px;
  --pad-l: clamp(20px, 6vw, 88px);
  --pad-r: clamp(20px, 4vw, 60px);
  --header-h: 88px;
}

/* ---------- 3. 基础排版 ---------- */
html {
  font-family: var(--font-body);
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  font-weight: 400;
  color: var(--ink);
  background-color: var(--bone);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-underline-offset: 3px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.16;
  color: inherit;
}

h1 { font-size: clamp(34px, 5.4vw, 62px); }
h2 { font-size: clamp(26px, 3.6vw, 44px); }
h3 { font-size: clamp(20px, 2.2vw, 26px); }
h4 { font-size: clamp(17px, 1.6vw, 20px); font-weight: 700; }

strong, b { font-weight: 700; }

small { font-size: 13px; color: var(--gray); }

em { font-style: normal; font-weight: 700; color: var(--red); }

::selection {
  background: var(--red);
  color: #FFFFFF;
}

/* 等宽数字 */
.v28-num,
[data-num] {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* ---------- 4. 焦点环与可访问性 ---------- */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

.v28-visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 5. 内容容器与网格 ---------- */
.v28-wrap {
  width: min(var(--maxw), 100%);
  margin-inline: auto;
  padding-left: var(--pad-l);
  padding-right: var(--pad-r);
}

.v28-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2.2vw, 30px);
}

.v28-grid--split {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.v28-grid--halves {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 2.6vw, 36px);
}

.v28-stack {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2vw, 28px);
}

.v28-stack--tight { gap: 12px; }

/* ---------- 6. 分区与斜切过渡 ---------- */
.v28-section {
  position: relative;
  padding-block: clamp(48px, 7vw, 104px);
}

.v28-section--bone { background-color: var(--bone); color: var(--ink); }
.v28-section--paper { background-color: var(--paper); color: var(--ink); }
.v28-section--ink { background-color: var(--ink); color: #FFFFFF; }

.v28-section--dark {
  background-color: var(--ink);
  color: #FFFFFF;
}

.v28-section--dark h1,
.v28-section--dark h2,
.v28-section--dark h3,
.v28-section--dark h4 { color: #FFFFFF; }

.v28-section__cut {
  position: relative;
}

.v28-section__cut::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: clamp(48px, 8vw, 120px);
  background: inherit;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 34%);
  transform: translateY(-99%);
  pointer-events: none;
}

/* 斜向引导线 */
.v28-slash {
  position: relative;
  height: 2px;
  background: linear-gradient(90deg, var(--red) 0%, rgba(200, 16, 46, 0) 72%);
  transform: rotate(-12deg);
  transform-origin: left center;
  margin-block: clamp(20px, 3vw, 40px);
}

/* ---------- 7. 展览标签 / 注释 ---------- */
.v28-tagplate {
  display: flex;
  align-items: flex-start;
  gap: clamp(10px, 1.4vw, 18px);
  margin-bottom: clamp(14px, 2vw, 26px);
}

.v28-tagplate__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--gold);
  padding-top: 5px;
}

.v28-tagplate__body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.v28-tagplate__title {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0;
  color: var(--ink);
}

.v28-tagplate__desc {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--gray);
  margin: 0;
  max-width: 62ch;
}

.v28-tagplate--dark .v28-tagplate__title { color: #FFFFFF; }
.v28-tagplate--dark .v28-tagplate__desc { color: rgba(255, 255, 255, 0.62); }

.v28-anno {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  line-height: 1.4;
}

.v28-anno--cyan { color: var(--cyan); }
.v28-anno--gray { color: var(--gray); }
.v28-anno--red { color: var(--red); }

.v28-anno--vert {
  writing-mode: vertical-rl;
  letter-spacing: 0.34em;
  transform: rotate(180deg);
}

/* ---------- 8. 按钮 ---------- */
.v28-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  min-width: 44px;
  padding: 11px 20px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-align: center;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition:
    background-color 0.24s var(--ease),
    color 0.24s var(--ease),
    border-color 0.24s var(--ease),
    transform 0.24s var(--ease);
}

.v28-btn--red {
  background-color: var(--red);
  color: #FFFFFF;
  border-color: var(--red);
}
.v28-btn--red:hover { background-color: var(--red-deep); border-color: var(--red-deep); }

.v28-btn--ghost {
  background-color: var(--glass);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.34);
}
.v28-btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.v28-btn--ink {
  background-color: var(--ink);
  color: #FFFFFF;
  border-color: var(--ink);
}
.v28-btn--ink:hover { background-color: var(--ink-2); border-color: var(--ink-2); }

.v28-btn--outline {
  background-color: transparent;
  color: var(--ink);
  border-color: rgba(13, 13, 17, 0.28);
}
.v28-btn--outline:hover {
  border-color: var(--red);
  color: var(--red);
}

.v28-btn:active { transform: translateY(1px); }

/* ---------- 9. 面包屑 ---------- */
.v28-crumb { padding-top: 18px; }

.v28-crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  line-height: 1.6;
}

.v28-crumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gray);
}

.v28-crumb__item + .v28-crumb__item::before {
  content: "/";
  color: rgba(74, 74, 85, 0.42);
  font-family: var(--font-mono);
}

.v28-crumb__link {
  color: var(--gray);
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.v28-crumb__link:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

.v28-crumb__item--current {
  color: var(--ink);
  font-weight: 700;
}

.v28-section--dark .v28-crumb__item,
.v28-section--dark .v28-crumb__link { color: rgba(255, 255, 255, 0.6); }
.v28-section--dark .v28-crumb__item--current { color: #FFFFFF; }
.v28-section--dark .v28-crumb__link:hover { color: var(--cyan); border-bottom-color: var(--cyan); }

/* ---------- 10. 图片容器基础规则 ---------- */
.v28-media {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 2px;
  aspect-ratio: 16 / 10;
  background-color: var(--ink-2);
  isolation: isolate;
}

.v28-media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(115deg, rgba(200, 16, 46, 0.22) 0 9%, rgba(200, 16, 46, 0) 9%),
    linear-gradient(115deg, rgba(34, 211, 197, 0.16) 0 20%, rgba(34, 211, 197, 0) 20%),
    repeating-linear-gradient(-12deg, rgba(255, 255, 255, 0.045) 0 1px, rgba(255, 255, 255, 0) 1px 14px);
}

.v28-media > img,
.v28-media > svg,
.v28-media > picture > img,
.v28-media > video {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.v28-media--wide { aspect-ratio: 21 / 9; }
.v28-media--tall { aspect-ratio: 3 / 4; }
.v28-media--square { aspect-ratio: 1 / 1; }

.v28-media__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 14px 18px;
  font-size: 13px;
  line-height: 1.6;
  color: #FFFFFF;
  background-color: rgba(13, 13, 17, 0.66);
}

.v28-media__tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink);
  background-color: var(--gold);
  border-radius: 2px;
}

/* ---------- 11. 玻璃层卡片（通用） ---------- */
.v28-glass {
  position: relative;
  padding: clamp(16px, 1.8vw, 24px);
  background-color: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: 2px;
  color: #FFFFFF;
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.v28-glass:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
}

.v28-glass__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.v28-glass__title {
  font-size: 20px;
  font-weight: 900;
  margin-top: 8px;
}

.v28-glass__desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 6px;
}

/* ==========================================================================
   12. 头部
   ========================================================================== */
.v28-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background-color: rgba(13, 13, 17, 0.62);
  background-image: linear-gradient(180deg, rgba(13, 13, 17, 0.82) 0%, rgba(13, 13, 17, 0.42) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: #FFFFFF;
  transition:
    background-color 0.24s var(--ease),
    border-color 0.24s var(--ease);
}

.v28-header[data-scrolled] {
  background-color: rgba(13, 13, 17, 0.97);
  background-image: none;
  border-bottom-color: rgba(255, 255, 255, 0.14);
}

.v28-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 36px);
  height: var(--header-h);
  transition: height 0.24s var(--ease);
}

.v28-header[data-scrolled] .v28-header__inner { height: 66px; }

/* skip link */
.v28-skip {
  position: absolute;
  left: var(--pad-l);
  top: 8px;
  z-index: 99;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  background-color: var(--cyan);
  border-radius: 2px;
  transform: translateY(-180%);
  transition: transform 0.2s var(--ease);
}

.v28-skip:focus {
  transform: translateY(0);
}

/* 品牌标记 */
.v28-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  color: #FFFFFF;
}

.v28-brand__glyph {
  width: 13px;
  height: 26px;
  flex: none;
  background-image: linear-gradient(180deg, var(--gold) 0%, var(--red) 100%);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 50% 100%, 0 70%);
}

.v28-brand__text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.v28-brand__mark {
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: #FFFFFF;
}

.v28-brand__sub {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  line-height: 1.2;
  color: rgba(255, 255, 255, 0.52);
}

/* 主导航 */
.v28-nav {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.8vw, 26px);
  margin-left: auto;
}

.v28-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(4px, 1.3vw, 20px);
}

.v28-nav__item { display: flex; }

.v28-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 10px 2px;
  min-height: 44px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.78);
  white-space: nowrap;
  transition: color 0.24s var(--ease);
}

.v28-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6px;
  height: 2px;
  background-color: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s var(--ease);
}

.v28-nav__index {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--gold);
  opacity: 0.8;
  transition: color 0.24s var(--ease), opacity 0.24s var(--ease);
}

.v28-nav__label { display: inline-block; }

.v28-nav__link:hover { color: #FFFFFF; }
.v28-nav__link:hover::after { transform: scaleX(1); }
.v28-nav__link:hover .v28-nav__index { color: var(--cyan); opacity: 1; }

.v28-nav__link[aria-current="page"] { color: #FFFFFF; font-weight: 700; }
.v28-nav__link[aria-current="page"]::after { transform: scaleX(1); }
.v28-nav__link[aria-current="page"] .v28-nav__index { color: var(--cyan); opacity: 1; }

.v28-nav__cta { flex: none; }

/* 移动菜单按钮 */
.v28-navtoggle {
  display: none;
  position: relative;
  z-index: 4;
  align-items: center;
  gap: 10px;
  min-width: 44px;
  min-height: 44px;
  padding: 8px 4px;
  margin-left: auto;
  color: #FFFFFF;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.v28-navtoggle__box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 24px;
  height: 20px;
}

.v28-navtoggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}

.v28-header[data-nav-open] .v28-navtoggle__bar:nth-child(1) {
  transform: translateY(3.5px) rotate(45deg);
}
.v28-header[data-nav-open] .v28-navtoggle__bar:nth-child(2) {
  transform: translateY(-3.5px) rotate(-45deg);
}

.v28-navtoggle__label { display: inline-block; }

/* ==========================================================================
   13. 页脚
   ========================================================================== */
.v28-footer {
  position: relative;
  background-color: var(--ink);
  color: #FFFFFF;
  margin-top: clamp(40px, 6vw, 88px);
}

.v28-footer__band {
  background-color: var(--red);
  padding-top: clamp(26px, 3.6vw, 44px);
  padding-bottom: clamp(12px, 1.6vw, 18px);
  clip-path: polygon(0 30%, 100% 0, 100% 100%, 0 100%);
}

.v28-footer__bandinner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: clamp(10px, 2vw, 28px);
}

.v28-footer__bandlabel {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.24em;
  color: rgba(255, 255, 255, 0.78);
}

.v28-footer__bandtext {
  font-size: clamp(15px, 1.6vw, 19px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: #FFFFFF;
}

.v28-footer__bandmeta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.82);
}

.v28-footer__inner {
  padding-top: clamp(34px, 4.6vw, 64px);
  padding-bottom: clamp(22px, 3vw, 34px);
}

.v28-footer__top {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(0, 2.1fr);
  gap: clamp(28px, 4vw, 72px);
  padding-bottom: clamp(26px, 3.4vw, 46px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.v28-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.v28-footer__mark {
  font-family: var(--font-head);
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #FFFFFF;
  width: fit-content;
  border-bottom: 2px solid transparent;
  transition: border-color 0.24s var(--ease);
}

.v28-footer__mark:hover { border-bottom-color: var(--red); }

.v28-footer__tagline {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.6);
  max-width: 34ch;
}

.v28-footer__cols {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 34px);
}

.v28-footer__col { min-width: 0; }

.v28-footer__title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.v28-footer__list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.v28-footer__link {
  display: inline-block;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.74);
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.v28-footer__link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.v28-footer__text {
  display: inline-block;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.74);
  word-break: break-word;
}

.v28-footer__text--mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: -0.01em;
}

.v28-footer__note {
  padding-top: clamp(18px, 2.2vw, 26px);
  font-size: 12.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.52);
  max-width: 80ch;
}

.v28-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  margin-top: clamp(18px, 2.4vw, 28px);
  padding-top: clamp(14px, 1.8vw, 20px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.v28-footer__copy,
.v28-footer__icp {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- 14. 主题内容起始偏移 ---------- */
#main-content {
  padding-top: clamp(78px, 8.6vw, 104px);
}

/* ---------- 15. 滚动显现 ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.48s var(--ease),
    transform 0.48s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

  .v28-btn,
  .v28-glass,
  .v28-media,
  .v28-nav,
  .v28-header,
  .v28-header__inner,
  .v28-navtoggle__bar,
  .v28-nav__link::after,
  .v28-skip {
    transition: none !important;
  }

  .v28-glass:hover { transform: none; }
  .v28-btn:active { transform: none; }
}

/* ==========================================================================
   16. 响应式
   ========================================================================== */

/* 平板 */
@media (max-width: 1080px) {
  .v28-footer__top {
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(26px, 3.4vw, 40px);
  }

  .v28-footer__tagline { max-width: none; }
}

@media (max-width: 960px) {
  .v28-footer__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 22px;
  }
}

/* 移动导航断点 */
@media (max-width: 899px) {
  .v28-header__inner {
    height: 72px;
    gap: 12px;
  }

  .v28-header[data-scrolled] .v28-header__inner { height: 62px; }

  .v28-navtoggle { display: inline-flex; }

  .v28-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    width: min(340px, 86vw);
    margin-left: 0;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 92px 22px 32px;
    overflow-y: auto;
    overscroll-behavior: contain;
    background-color: var(--ink);
    border-left: 1px solid rgba(255, 255, 255, 0.14);
    transform: translateX(102%);
    transition: transform 0.32s var(--ease);
  }

  .v28-header[data-nav-open] .v28-nav { transform: translateX(0); }

  .v28-header[data-nav-open]::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 2;
    background-color: rgba(13, 13, 17, 0.66);
  }

  .v28-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .v28-nav__item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  }

  .v28-nav__link {
    width: 100%;
    justify-content: flex-start;
    gap: 12px;
    padding: 15px 2px;
    font-size: 16.5px;
    min-height: 52px;
  }

  .v28-nav__link::after { bottom: 0; left: 0; right: auto; width: 28px; }
  .v28-nav__link[aria-current="page"]::after { transform: scaleX(1); }

  .v28-nav__index { font-size: 11.5px; }

  .v28-nav__cta {
    width: 100%;
    margin-top: 22px;
    padding: 14px 20px;
    font-size: 15px;
  }

  .v28-brand__mark { font-size: 19px; }
  .v28-brand__sub { font-size: 9.5px; }
}

/* 手机 */
@media (max-width: 640px) {
  :root {
    --pad-l: 20px;
    --pad-r: 20px;
  }

  body { font-size: 16px; }

  .v28-footer__bandmeta { margin-left: 0; }

  .v28-footer__cols {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .v28-footer__base {
    flex-direction: column;
    align-items: flex-start;
  }

  .v28-grid--halves { grid-template-columns: minmax(0, 1fr); }

  .v28-tagplate { gap: 10px; }

  .v28-tagplate__desc { font-size: 14px; }
}