/* ==========================================================================
   火博体育赛事 · 共享样式表 /assets/site.css
   设计语言：比赛日看台通道 / 堆叠面板 / 悬浮胶囊导航
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root {
  --hb-turf-deep: #0E2A1F;
  --hb-turf: #16593A;
  --hb-turf-light: #2E8A5C;
  --hb-mint: #BFE3CD;
  --hb-ember: #FF6A13;
  --hb-ember-soft: #FFB57A;
  --hb-red: #D93A2B;
  --hb-ink: #0B0F12;
  --hb-paper: #F5F1E7;
  --hb-gray: #5C6670;

  --hb-rule: rgba(11, 15, 18, 0.12);
  --hb-rule-dark: rgba(191, 227, 205, 0.18);

  --hb-radius-lg: 28px;
  --hb-radius-md: 22px;
  --hb-radius-sm: 14px;
  --hb-radius-nub: 8px;

  --hb-shadow-soft: 0 24px 48px -36px rgba(11, 15, 18, 0.55);
  --hb-shadow-lift: 0 28px 44px -30px rgba(11, 15, 18, 0.5);
  --hb-shadow-nav: 0 18px 40px -28px rgba(11, 15, 18, 0.85);

  --hb-header-h: 78px;
  --hb-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --hb-dur: 220ms;

  --hb-font: "Helvetica Neue", "Inter", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Source Han Sans SC", Arial, sans-serif;
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--hb-header-h) + 24px);
}

body {
  margin: 0;
  font-family: var(--hb-font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--hb-ink);
  background-color: var(--hb-paper);
  background-image:
    radial-gradient(120% 55% at 88% -8%, rgba(46, 138, 92, 0.16), transparent 62%),
    radial-gradient(90% 45% at 2% 0%, rgba(255, 106, 19, 0.09), transparent 58%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

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

h1,
h2,
h3,
h4 {
  margin: 0 0 0.5em;
  line-height: 1.15;
  letter-spacing: -0.015em;
}

h1 {
  font-weight: 300;
  font-size: clamp(32px, 5.4vw, 58px);
}

h2 {
  font-weight: 600;
  font-size: clamp(24px, 3.4vw, 38px);
}

h3 {
  font-weight: 600;
  font-size: clamp(18px, 2vw, 22px);
}

p {
  margin: 0 0 1em;
}

ul,
ol {
  margin: 0 0 1em;
  padding-left: 1.15em;
}

hr {
  border: 0;
  border-top: 1px solid var(--hb-rule);
  margin: 28px 0;
}

:focus-visible {
  outline: 3px solid var(--hb-ember);
  outline-offset: 3px;
}

.hb-panel--deep :focus-visible,
.hb-panel--ink :focus-visible,
.hb-panel--turf :focus-visible,
.hb-footer :focus-visible {
  outline-color: var(--hb-mint);
}

/* ---------- 3. 主内容顶距与锚点 ---------- */
main {
  display: block;
  padding-top: clamp(96px, 13vw, 124px);
}

#main-content {
  scroll-margin-top: calc(var(--hb-header-h) + 20px);
}

/* ---------- 4. 跳转链接 ---------- */
.hb-skip {
  position: absolute;
  left: 50%;
  top: -120px;
  transform: translateX(-50%);
  z-index: 120;
  pointer-events: auto;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--hb-ink);
  color: var(--hb-paper);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  box-shadow: var(--hb-shadow-nav);
  transition: top var(--hb-dur) var(--hb-ease);
}

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

/* ---------- 5. 头部：悬浮胶囊导航 ---------- */
.hb-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  padding: 14px clamp(10px, 2.4vw, 26px) 0;
  pointer-events: none;
}

.hb-navwrap {
  max-width: 1320px;
  margin: 0 auto;
  pointer-events: auto;
}

.hb-nav {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px 8px 14px;
  border-radius: 999px;
  background: rgba(22, 89, 58, 0.94);
  border: 1px solid rgba(191, 227, 205, 0.22);
  box-shadow: var(--hb-shadow-nav);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--hb-paper);
  transition: padding var(--hb-dur) var(--hb-ease),
    background var(--hb-dur) var(--hb-ease),
    box-shadow var(--hb-dur) var(--hb-ease);
}

.hb-nav[data-condensed="true"] {
  padding: 5px 8px 5px 12px;
  background: rgba(14, 42, 31, 0.97);
  box-shadow: 0 16px 34px -26px rgba(11, 15, 18, 0.95);
}

/* 品牌 */
.hb-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0 4px;
  color: var(--hb-paper);
  text-decoration: none;
}

.hb-brand__mark {
  position: relative;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 13px 13px 13px 4px;
  background: linear-gradient(
    150deg,
    var(--hb-turf-light) 0%,
    var(--hb-turf) 58%,
    var(--hb-ember) 145%
  );
  box-shadow: inset 0 0 0 1px rgba(191, 227, 205, 0.28);
}

.hb-brand__mark::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1.5px solid rgba(245, 241, 231, 0.78);
  border-radius: 50% 50% 50% 6px;
}

.hb-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.06;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.hb-brand__text em {
  margin-top: 4px;
  font-style: normal;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.26em;
  color: var(--hb-mint);
}

.hb-brand--footer .hb-brand__text {
  font-size: 16px;
}

/* 栏目 */
.hb-nav__list {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hb-nav__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 13px;
  border-radius: 999px;
  color: rgba(245, 241, 231, 0.8);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background var(--hb-dur) var(--hb-ease),
    color var(--hb-dur) var(--hb-ease);
}

.hb-nav__link:hover {
  background: rgba(191, 227, 205, 0.14);
  color: var(--hb-paper);
}

.hb-nav__link[aria-current="page"] {
  background: var(--hb-mint);
  color: var(--hb-turf-deep);
  font-weight: 700;
}

/* 右浮岛 */
.hb-nav__side {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  margin-left: auto;
}

.hb-nav__score {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 15px;
  border-radius: 999px;
  background: rgba(11, 15, 18, 0.45);
  border: 1px solid rgba(191, 227, 205, 0.2);
  color: var(--hb-mint);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: background var(--hb-dur) var(--hb-ease),
    border-color var(--hb-dur) var(--hb-ease);
}

.hb-nav__score:hover {
  background: rgba(11, 15, 18, 0.72);
  border-color: rgba(191, 227, 205, 0.44);
}

.hb-nav__score-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--hb-red);
  box-shadow: 0 0 0 4px rgba(217, 58, 43, 0.22);
  animation: hb-beacon 2.6s ease-in-out infinite;
}

@keyframes hb-beacon {
  0%,
  100% {
    box-shadow: 0 0 0 3px rgba(217, 58, 43, 0.2);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(217, 58, 43, 0.05);
  }
}

.hb-nav__cta {
  min-height: 44px;
  padding: 0 18px;
  font-size: 14px;
}

/* 移动端菜单按钮 */
.hb-nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 0 15px;
  border-radius: 999px;
  background: rgba(191, 227, 205, 0.12);
  border: 1px solid rgba(191, 227, 205, 0.3);
  color: var(--hb-paper);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background var(--hb-dur) var(--hb-ease);
}

.hb-nav-toggle:hover {
  background: rgba(191, 227, 205, 0.24);
}

.hb-nav-toggle__label {
  font-size: 13px;
  letter-spacing: 0.06em;
}

.hb-nav-toggle__bars {
  position: relative;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: background var(--hb-dur) var(--hb-ease);
}

.hb-nav-toggle__bars::before,
.hb-nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--hb-dur) var(--hb-ease);
}

.hb-nav-toggle__bars::before {
  top: -6px;
}

.hb-nav-toggle__bars::after {
  top: 6px;
}

.hb-nav-toggle[aria-expanded="true"] .hb-nav-toggle__bars {
  background: transparent;
}

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

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

/* ---------- 6. 页脚 ---------- */
.hb-footer {
  position: relative;
  margin-top: clamp(44px, 6vw, 84px);
  background: var(--hb-turf-deep);
  color: var(--hb-paper);
  border-radius: 44px 44px 0 0;
  overflow: hidden;
}

.hb-footer::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -120px;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  background: radial-gradient(
    circle at 50% 50%,
    rgba(46, 138, 92, 0.4),
    transparent 68%
  );
  pointer-events: none;
}

.hb-footer__inner {
  position: relative;
  max-width: 1320px;
  margin: 0 auto;
  padding: clamp(40px, 6vw, 76px) clamp(18px, 4vw, 36px)
    clamp(28px, 4vw, 44px);
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  grid-template-columns: 1.5fr 0.9fr 1.3fr 1fr;
}

.hb-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.hb-footer__note {
  margin: 0;
  max-width: 28ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(245, 241, 231, 0.7);
}

.hb-footer__col {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.hb-footer__title {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--hb-mint);
}

.hb-footer__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14.5px;
}

.hb-footer__list li {
  line-height: 1.55;
}

.hb-footer__list a {
  display: inline-block;
  padding: 2px 0;
  color: rgba(245, 241, 231, 0.82);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--hb-dur) var(--hb-ease),
    border-color var(--hb-dur) var(--hb-ease);
}

.hb-footer__list a:hover {
  color: var(--hb-paper);
  border-bottom-color: var(--hb-ember);
}

.hb-footer__list--plain li {
  color: rgba(245, 241, 231, 0.72);
}

.hb-footer__icp {
  margin: 16px 0 0;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: rgba(245, 241, 231, 0.55);
}

.hb-footer__base {
  position: relative;
  border-top: 1px solid rgba(191, 227, 205, 0.16);
}

.hb-footer__baseinner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 18px clamp(18px, 4vw, 36px);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(245, 241, 231, 0.6);
}

.hb-footer__baseinner p {
  margin: 0;
}

/* ---------- 7. 布局容器 ---------- */
.hb-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 36px);
}

.hb-container--narrow {
  max-width: 840px;
}

.hb-container--wide {
  max-width: 1440px;
}

.hb-section {
  padding: clamp(28px, 5vw, 64px) 0;
}

.hb-stack {
  display: flex;
  flex-direction: column;
}

.hb-stack > * + * {
  margin-top: clamp(14px, 2vw, 22px);
}

.hb-sechead {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: clamp(16px, 2.4vw, 28px);
}

.hb-sechead h2 {
  margin: 0;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.08;
}

.hb-grid {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

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

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

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

/* ---------- 8. 画板 / 堆叠面板 ---------- */
.hb-panel {
  --hb-panel-bg: var(--hb-paper);
  --hb-panel-fg: var(--hb-ink);
  --hb-rule: rgba(11, 15, 18, 0.12);
  --hb-eyebrow: var(--hb-turf-light);
  position: relative;
  padding: clamp(20px, 3vw, 40px);
  border-radius: var(--hb-radius-lg) var(--hb-radius-lg) var(--hb-radius-lg)
    var(--hb-radius-nub);
  background: var(--hb-panel-bg);
  color: var(--hb-panel-fg);
  border: 1px solid rgba(11, 15, 18, 0.06);
  box-shadow: var(--hb-shadow-soft);
}

.hb-panel--paper {
  --hb-panel-bg: var(--hb-paper);
  --hb-panel-fg: var(--hb-ink);
  --hb-rule: rgba(11, 15, 18, 0.12);
  --hb-eyebrow: var(--hb-turf-light);
}

.hb-panel--deep {
  --hb-panel-bg: var(--hb-turf-deep);
  --hb-panel-fg: var(--hb-paper);
  --hb-rule: rgba(191, 227, 205, 0.18);
  --hb-eyebrow: var(--hb-mint);
  border-color: rgba(191, 227, 205, 0.16);
}

.hb-panel--turf {
  --hb-panel-bg: var(--hb-turf);
  --hb-panel-fg: var(--hb-paper);
  --hb-rule: rgba(191, 227, 205, 0.22);
  --hb-eyebrow: var(--hb-mint);
  border-color: rgba(191, 227, 205, 0.2);
}

.hb-panel--mint {
  --hb-panel-bg: var(--hb-mint);
  --hb-panel-fg: var(--hb-turf-deep);
  --hb-rule: rgba(14, 42, 31, 0.16);
  --hb-eyebrow: var(--hb-turf);
  border-color: rgba(14, 42, 31, 0.08);
}

.hb-panel--ink {
  --hb-panel-bg: var(--hb-ink);
  --hb-panel-fg: var(--hb-paper);
  --hb-rule: rgba(191, 227, 205, 0.16);
  --hb-eyebrow: var(--hb-ember-soft);
  border-color: rgba(191, 227, 205, 0.14);
}

.hb-panel--indent {
  margin-left: clamp(0px, 2.4vw, 26px);
}

.hb-panel--indent-end {
  margin-right: clamp(0px, 2.4vw, 26px);
}

.hb-panel + .hb-panel {
  margin-top: clamp(10px, 1.6vw, 20px);
}

/* ---------- 9. 排版组件 ---------- */
.hb-display {
  margin: 0;
  font-size: clamp(38px, 8.4vw, 104px);
  font-weight: 300;
  line-height: 0.94;
  letter-spacing: -0.035em;
}

.hb-display strong,
.hb-display b {
  font-weight: 800;
}

.hb-display--num {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.hb-lead {
  max-width: 46ch;
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.7;
  color: var(--hb-gray);
}

.hb-panel--deep .hb-lead,
.hb-panel--ink .hb-lead,
.hb-panel--turf .hb-lead {
  color: rgba(245, 241, 231, 0.78);
}

.hb-panel--mint .hb-lead {
  color: rgba(14, 42, 31, 0.74);
}

.hb-eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--hb-eyebrow, var(--hb-turf-light));
}

.hb-eyebrow--ember {
  --hb-eyebrow: var(--hb-ember);
}

.hb-num {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.hb-prose {
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.75;
}

.hb-prose p {
  margin: 0 0 1.05em;
}

.hb-prose > *:last-child {
  margin-bottom: 0;
}

.hb-prose ul,
.hb-prose ol {
  margin: 0 0 1.05em;
  padding-left: 1.2em;
}

.hb-quote {
  margin: 0;
  padding-left: clamp(14px, 2vw, 24px);
  border-left: 3px solid var(--hb-ember);
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 300;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

/* ---------- 10. 按钮 ---------- */
.hb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--hb-dur) var(--hb-ease),
    background var(--hb-dur) var(--hb-ease),
    color var(--hb-dur) var(--hb-ease),
    border-color var(--hb-dur) var(--hb-ease);
}

.hb-btn:hover {
  transform: translateY(-1px);
}

.hb-btn:active {
  transform: translateY(0);
}

.hb-btn--ember {
  background: var(--hb-ember);
  color: #170b03;
  box-shadow: 0 12px 24px -16px rgba(255, 106, 19, 0.9);
}

.hb-btn--ember:hover {
  background: var(--hb-ember-soft);
}

.hb-btn--turf {
  background: var(--hb-turf);
  color: var(--hb-paper);
}

.hb-btn--turf:hover {
  background: var(--hb-turf-light);
}

.hb-btn--mint {
  background: var(--hb-mint);
  color: var(--hb-turf-deep);
}

.hb-btn--mint:hover {
  background: #d6efe0;
}

.hb-btn--ink {
  background: var(--hb-ink);
  color: var(--hb-paper);
}

.hb-btn--ink:hover {
  background: var(--hb-turf-deep);
}

.hb-btn--ghost {
  background: transparent;
  border-color: currentColor;
  color: var(--hb-turf);
}

.hb-panel--deep .hb-btn--ghost,
.hb-panel--ink .hb-btn--ghost,
.hb-panel--turf .hb-btn--ghost {
  color: var(--hb-paper);
}

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

/* ---------- 11. 标签 / 卡片 / 列表 ---------- */
.hb-tag {
  --hb-tag-bg: rgba(11, 15, 18, 0.06);
  --hb-tag-fg: var(--hb-gray);
  --hb-tag-bd: rgba(11, 15, 18, 0.1);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border: 1px solid var(--hb-tag-bd);
  border-radius: 999px;
  background: var(--hb-tag-bg);
  color: var(--hb-tag-fg);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.5;
}

.hb-tag--ember {
  --hb-tag-bg: var(--hb-ember);
  --hb-tag-fg: #170b03;
  --hb-tag-bd: transparent;
}

.hb-tag--mint {
  --hb-tag-bg: rgba(191, 227, 205, 0.4);
  --hb-tag-fg: var(--hb-turf);
  --hb-tag-bd: rgba(46, 138, 92, 0.32);
}

.hb-tag--red {
  --hb-tag-bg: rgba(217, 58, 43, 0.12);
  --hb-tag-fg: var(--hb-red);
  --hb-tag-bd: rgba(217, 58, 43, 0.3);
}

.hb-panel--deep,
.hb-panel--ink {
  --hb-tag-bg: rgba(191, 227, 205, 0.12);
  --hb-tag-fg: var(--hb-mint);
  --hb-tag-bd: rgba(191, 227, 205, 0.22);
}

.hb-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(16px, 2.2vw, 24px);
  border-radius: var(--hb-radius-md) var(--hb-radius-md) var(--hb-radius-md)
    6px;
  background: #fffdf8;
  border: 1px solid rgba(11, 15, 18, 0.08);
  color: inherit;
  text-decoration: none;
  transition: transform var(--hb-dur) var(--hb-ease),
    box-shadow var(--hb-dur) var(--hb-ease);
}

.hb-card--lift {
  box-shadow: var(--hb-shadow-lift);
}

.hb-card--lift:hover {
  transform: translateY(-4px);
}

.hb-card--dark {
  background: var(--hb-turf-deep);
  border-color: rgba(191, 227, 205, 0.16);
  color: var(--hb-paper);
}

.hb-card__meta {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--hb-gray);
}

.hb-card--dark .hb-card__meta {
  color: rgba(245, 241, 231, 0.62);
}

.hb-rows {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hb-rule, rgba(11, 15, 18, 0.12));
}

.hb-rows li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--hb-rule, rgba(11, 15, 18, 0.12));
}

.hb-rows a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--hb-dur) var(--hb-ease);
}

.hb-rows a:hover {
  border-bottom-color: var(--hb-ember);
}

/* ---------- 12. 图片容器（页面阶段使用） ---------- */
.hb-media {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--hb-radius-lg) var(--hb-radius-lg) var(--hb-radius-lg)
    var(--hb-radius-nub);
  overflow: hidden;
  background-color: var(--hb-turf-deep);
  background-image:
    radial-gradient(120% 90% at 84% 10%, rgba(255, 106, 19, 0.3), transparent 62%),
    radial-gradient(100% 80% at 12% 88%, rgba(46, 138, 92, 0.55), transparent 66%),
    linear-gradient(155deg, var(--hb-turf) 0%, var(--hb-turf-deep) 64%, var(--hb-ink) 100%);
}

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

.hb-media--wide {
  aspect-ratio: 21 / 9;
}

.hb-media--tall {
  aspect-ratio: 3 / 4;
}

.hb-media--square {
  aspect-ratio: 1 / 1;
}

.hb-media--paper {
  background-color: var(--hb-mint);
  background-image: linear-gradient(
    155deg,
    rgba(191, 227, 205, 0.9) 0%,
    rgba(245, 241, 231, 0.95) 100%
  );
}

.hb-media__caption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(245, 241, 231, 0.88);
  text-shadow: 0 1px 8px rgba(11, 15, 18, 0.6);
}

/* ---------- 13. 面包屑 ---------- */
.hb-breadcrumb {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--hb-gray);
}

.hb-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.hb-breadcrumb li::after {
  content: "/";
  color: rgba(92, 102, 112, 0.5);
}

.hb-breadcrumb li:last-child::after {
  content: "";
}

.hb-breadcrumb a {
  text-decoration: none;
}

.hb-breadcrumb a:hover {
  color: var(--hb-turf);
}

.hb-breadcrumb [aria-current="page"] {
  color: var(--hb-ink);
  font-weight: 600;
}

/* ---------- 14. 分段切换 / 标签页 ---------- */
.hb-segmented {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(11, 15, 18, 0.06);
  border: 1px solid rgba(11, 15, 18, 0.08);
}

.hb-panel--deep .hb-segmented,
.hb-panel--ink .hb-segmented,
.hb-panel--turf .hb-segmented {
  background: rgba(11, 15, 18, 0.32);
  border-color: rgba(191, 227, 205, 0.2);
}

.hb-segmented__btn {
  appearance: none;
  min-height: 40px;
  padding: 0 16px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--hb-gray);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background var(--hb-dur) var(--hb-ease),
    color var(--hb-dur) var(--hb-ease);
}

.hb-panel--deep .hb-segmented__btn,
.hb-panel--ink .hb-segmented__btn,
.hb-panel--turf .hb-segmented__btn {
  color: rgba(245, 241, 231, 0.74);
}

.hb-segmented__btn[aria-selected="true"] {
  background: var(--hb-turf);
  color: var(--hb-paper);
}

.hb-tabpanel[hidden] {
  display: none;
}

/* ---------- 15. 回到顶部 ---------- */
.hb-totop {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 70;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: 16px 16px 16px 6px;
  background: var(--hb-ink);
  border: 1px solid rgba(191, 227, 205, 0.25);
  color: var(--hb-paper);
  box-shadow: 0 18px 30px -20px rgba(11, 15, 18, 0.9);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--hb-dur) var(--hb-ease),
    transform var(--hb-dur) var(--hb-ease),
    visibility var(--hb-dur) var(--hb-ease),
    background var(--hb-dur) var(--hb-ease);
}

.hb-totop[data-visible="true"] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.hb-totop:hover {
  background: var(--hb-turf);
}

.hb-totop__arrow {
  width: 12px;
  height: 12px;
  border-left: 2px solid currentColor;
  border-top: 2px solid currentColor;
  transform: rotate(45deg) translate(1px, 1px);
}

/* ---------- 16. 响应式 ---------- */
@media (max-width: 1020px) {
  .hb-grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1000px) {
  .hb-footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 960px) {
  .hb-nav {
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 10px 10px 14px;
    border-radius: 26px;
  }

  .hb-nav[data-condensed="true"] {
    padding: 8px 8px 8px 12px;
  }

  .hb-nav__list {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 4px;
    max-height: min(70vh, 520px);
    overflow-y: auto;
    padding: 10px;
    border-radius: 24px;
    background: rgba(14, 42, 31, 0.98);
    border: 1px solid rgba(191, 227, 205, 0.2);
    box-shadow: 0 30px 50px -34px rgba(11, 15, 18, 0.95);
  }

  .hb-nav[data-open="true"] .hb-nav__list {
    display: flex;
  }

  .hb-nav__link {
    justify-content: flex-start;
    padding: 0 16px;
    font-size: 15px;
  }

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

  .hb-nav__score {
    display: none;
  }

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

@media (max-width: 700px) {
  .hb-grid--2,
  .hb-grid--3,
  .hb-grid--4 {
    grid-template-columns: 1fr;
  }

  .hb-section {
    padding: clamp(22px, 7vw, 40px) 0;
  }

  .hb-panel--indent,
  .hb-panel--indent-end {
    margin-left: 0;
    margin-right: 0;
  }
}

@media (max-width: 600px) {
  .hb-footer__inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hb-footer {
    border-radius: 32px 32px 0 0;
  }
}

@media (max-width: 520px) {
  .hb-nav__cta {
    display: none;
  }
}

@media (max-width: 400px) {
  .hb-brand__text em {
    display: none;
  }
}

/* ---------- 17. 无障碍动效偏好 ---------- */
@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;
  }

  .hb-nav__score-dot {
    animation: none;
  }

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