/* =========================
   Base / Tokens
========================= */
:root {
  --bg: #0b1020;
  --bg-2: #0f1730;
  --card: rgba(255, 255, 255, 1);
  --card-2: rgba(255, 255, 255, 1);
  --border: rgba(255, 255, 255, 1);

  --text: rgba(255, 255, 255, 1);
  --muted: rgba(255, 255, 255, 1);
  --muted-2: rgb(8, 1, 1);

  --primary: #ea4c89;
  --primary-hover: #f06aa0;

  --shadow: 0 14px 50px rgba(0, 0, 0, 0.35);
  --radius: 14px;
  --radius-sm: 10px;

  --container: 1100px;
  --pad: 20px;
}

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

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Poppins", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 20% -10%, rgba(234, 76, 137, 0.28), transparent 60%),
    radial-gradient(900px 600px at 90% 0%, rgba(0, 166, 255, 0.18), transparent 55%),
    linear-gradient(180deg, var(--bg), #070a14 60%);
  line-height: 1.6;
}

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

a {
  color: var(--text);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(var(--container), 100% - 2 * var(--pad));
  margin: 0 auto;
}

.section h1 {
  text-align: center;
}

/* Hide GitHub link in nav but keep the space */
.nav__link--icon {
  visibility: hidden;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(11, 16, 32, 0.55);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.306);
  border: 1px solid var(--border);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
  background: rgba(255, 255, 255, 0.06);
}

.brand__icon {
  width: 26px;
  height: 26px;
  border-radius: 8px;
}

.brand__text {
  font-weight: 700;
  letter-spacing: 0.3px;
  color: #000000;
}

.nav__list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  margin: 0;
}

.nav__link,
.dropdown__toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font: inherit;
  text-decoration: none;
}

.nav__link:hover,
.dropdown__toggle:hover {
  text-decoration: none;
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border);
}

.nav__link--icon {
  font-weight: 600;
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown__menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 220px;
  padding: 10px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(10, 14, 28, 0.95);
  box-shadow: var(--shadow);
  display: none;
}

.dropdown__item {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--text);
  text-decoration: none;
}

.dropdown__item:hover {
  background: rgba(255, 255, 255, 0.06);
  text-decoration: none;
}

/* 用 aria-expanded 控制显示（配合 JS 切换） */
.dropdown__toggle[aria-expanded="true"] + .dropdown__menu {
  display: block;
}

/* =========================
   Sections
========================= */
.section {
  padding: 72px 0;
}

.section--alt {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.03),
    rgba(255, 255, 255, 0.01)
  );
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section h2 {
  margin: 0 0 18px;
  letter-spacing: 0.2px;
}

.section p {
  margin: 10px 0;
  color: var(--muted);
}

/* =========================
   Hero
========================= */
.hero {
  padding-top: 56px;
}

.hero__content {
  display: grid;
  gap: 18px;
  text-align: center;
}

.hero__title {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.hero__icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(234, 76, 137, 0.28);
}

.hero__h1{
  font-size: clamp(44px, 6vw, 60px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #07015a;
}
.hero__subtitle{
  /* font-size: clamp(30px, 3.5vw, 50px);
  opacity: 0.85;
  font-weight: 600; */

  font-size: clamp(30px, 4.6vw, 72px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.08;

  color: rgba(0,0,0,0.99);
  opacity: 1; /* 你原来用 opacity 会整体变淡，关掉 */
  margin: 0;

}

.hero__desc {
  /* margin: 0 auto;
  max-width: 760px;
  text-align: center; */
  font-size: clamp(20px, 2.0vw, 34px);
  font-weight: 500;
  line-height: 1.35;

  color: rgba(0,0,0,0.58);
  margin-top: 10px;
}

/* .hero__announcement {
  display: inline-block;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.25);
}

.hero__announcement:hover {
  text-decoration: none;
  border-bottom-color: rgba(255, 255, 255, 0.55);
} */
/* hero announcement: small + light gray */
.hero__announcement{
  display: inline-block;
  margin-top: 10px;

  font-size: 14px;                 /* 小字，可改 13-15 */
  line-height: 1.5;
  font-weight: 500;

  color: rgba(0,0,0,0.55);         /* 浅灰（浅色主题） */
  text-decoration: none;
  border-bottom: 1px dashed rgba(0,0,0,0.20);
}

.hero__announcement:hover{
  color: rgba(0,0,0,0.68);
  border-bottom-color: rgba(0,0,0,0.32);
  text-decoration: none;
}

/* 第一行：大标题深灰 */
.hero .hero__subtitle{
  font-size: clamp(44px, 4.6vw, 60px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.08;

  color: rgba(0,0,0,0.88);
  opacity: 1; /* 你原来用 opacity 会整体变淡，关掉 */
  margin: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.6);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

.btn--primary {
  border-color: rgba(234, 76, 137, 0.5);
  background: linear-gradient(135deg, rgba(234, 76, 137, 0.95), rgba(234, 76, 137, 0.65));
  box-shadow: 0 16px 45px rgba(234, 76, 137, 0.22);
}

.btn--primary:hover {
  background: linear-gradient(135deg, rgba(240, 106, 160, 0.98), rgba(234, 76, 137, 0.72));
  border-color: rgba(240, 106, 160, 0.65);
}

.btn__stats {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
}

.stat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 13px;
}

/* Hero CTA: make star/fork numbers white */
.hero__cta .btn__stats,
.hero__cta .btn__stats .stat,
.hero__cta .btn__stats #hero-stars-count,
.hero__cta .btn__stats #hero-forks-count {
  color: #fff !important;
}
/* Resource chips */
.hero__resources {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.05);
  text-decoration: none;
  font-weight: 200;
  color: rgba(58, 58, 58, 0.88);
}

.chip:hover {
  text-decoration: none;
  background: rgba(255, 255, 255, 0.08);
}

/* Figure */
.hero__figure,
.figure {
  margin: 18px auto 0;
  width: min(900px, 100%);
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0);
}

.hero__figure img,
.figure img {
  border-radius: 12px;
}

.hero__figure figcaption,
.figure figcaption {
  margin-top: 10px;
  color: var(--muted-2);
  font-size: 14px;
}

.hero__figures{
  display: flex;
  gap: 16px;
  align-items: stretch;
  justify-content: center;
}

/* 让两张图同宽 */
.hero__figures .hero__figure{
  flex: 1 1 0;
  margin: 18px 0 0; /* 覆盖你之前 figure 的 auto 居中 margin */
  width: auto;
}

/* 图片自适应 */
.hero__figures .hero__figure img{
  width: 100%;
  height: auto;
}

/* 小屏换成上下 */
@media (max-width: 900px){
  .hero__figures{
    flex-direction: column;
  }
}

.hero__figure--pair{
  width: min(900px, 100%);
  margin: 18px auto 0;
}

.hero__figure-row{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}

.hero__figure-row img{
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px; /* 你原来 figure 里已有圆角的话可删 */
}

.hero__caption{
  text-align: center;
  margin-top: 10px;
}

/* 小屏自动上下 */
@media (max-width: 900px){
  .hero__figure-row{
    grid-template-columns: 1fr;
  }
}


/* Authors */
.authors {
  margin: 18px auto 0;
  width: min(900px, 100%);
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  text-align: left;
}

.authors__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  color: #4efa0a;
}

.authors__list li {
  color: var(--muted);
}

.authors__list a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
}

.authors__list a:hover {
  text-decoration: underline;
}

.authors__note,
.authors__aff {
  margin-top: 10px;
  margin-bottom: 0;
  color: var(--muted-2);
  font-size: 14px;
}

/* Authors: force blue like the screenshot */
.authors__list li,
.authors__list a,
.authors__list a:visited {
  color: #fa0a4a !important;
}

/* .authors__list a:hover {
  color: #f6fa0a !important;
  text-decoration: underline;
} */


/* =========================
   Accordion
========================= */
/* .accordion {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.accordion__item {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.accordion__header {
  padding: 0;
}

.accordion__btn {
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.95);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.accordion__btn::after {
  content: "+";
  color: var(--muted);
  font-weight: 800;
}

.accordion__btn[aria-expanded="true"]::after {
  content: "−";
}

.accordion__panel {
  padding: 0 16px 16px;
  color: var(--muted);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.accordion__panel[hidden] {
  display: none;
} */
/* ===== Accordion (Findings style) ===== */
.accordion {
  display: grid;
  gap: 18px;
}

/* 整体卡片 */
.accordion__item {
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.55);
}

/* 顶部紫色标题条 */
.accordion__btn {
  width: 100%;
  border: 0;
  cursor: pointer;
  text-align: left;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;

  padding: 18px 18px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(90deg, #4d5dc8 0%, #5f61d8 100%);
}

/* 右侧 + / - 图标 */
.accordion__icon {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.14);
}

/* 默认显示 “+” */
.accordion__icon::before {
  content: "+";
  font-size: 22px;
  line-height: 1;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.92);
}

/* 展开时显示 “-” */
.accordion__btn[aria-expanded="true"] .accordion__icon::before {
  content: "–";
}

/* panel 内容区（白底） */
.accordion__panel {
  padding: 18px 18px 20px;
  /* color: rgba(20, 20, 20, 0.85); */
  color: rgba(255, 255, 255, 0.92);
  font-size: 16px;
  line-height: 1.8;
  background: rgba(255, 255, 255, 0.92);
}

/* panel 段落更像截图 */
.accordion__panel p {
  margin: 0;
}

/* hover 轻微强调 */
.accordion__item:hover .accordion__btn {
  filter: brightness(1.03);
}

/* =========================
   Tabs (Screenshot style)
========================= */
:root{
  --thu-purple: #765fde;       /* 清华紫82318E */
  --tab-bg: #e9ecef;           /* 未选中浅灰底 */
  --tab-bg-wrap: #f4f6f8;      /* tabs 外壳更浅灰 */
  --tab-text: #1f2a44;         /* 未选中文字深色 */
}

.tabs {
  margin-top: 14px;
  border-radius: var(--radius);
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: var(--tab-bg-wrap);
  overflow: hidden;
}

.tabs__list {
  display: flex;
  gap: 0;
  padding: 10px 12px;
  background: var(--tab-bg-wrap);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.tabs__tab {
  flex: 1;
  padding: 12px 14px;
  border: none;
  font: inherit;
  font-weight: 800;
  cursor: pointer;

  background: var(--tab-bg);
  color: var(--tab-text);

  border-radius: 0; /* 让两块拼起来像图里的分段按钮 */
}

/* 左右两端圆角（像图里的 pill-segment） */
.tabs__tab:first-child {
  border-top-left-radius: 12px;
  border-bottom-left-radius: 12px;
}
.tabs__tab:last-child {
  border-top-right-radius: 12px;
  border-bottom-right-radius: 12px;
}

/* 中间分割线 */
.tabs__tab + .tabs__tab {
  border-left: 1px solid rgba(0, 0, 0, 0.10);
}

/* 选中态：清华紫背景 + 白字 */
.tabs__tab[aria-selected="true"] {
  background: var(--thu-purple);
  color: #fff;
}

/* hover（未选中时轻微加深） */
.tabs__tab:not([aria-selected="true"]):hover {
  filter: brightness(0.97);
}

.tabs__panel {
  padding: 16px 18px;
  color: rgba(0, 0, 0, 0.78);  /* panel 文字深色更像截图 */
  background: #fff;           /* panel 白底 */
}

.tabs__panel[hidden] {
  display: none;
}


/* =========================
   Code block (Citation)
========================= */
.codeblock {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.22);
  padding: 14px;
  margin-top: 12px;
  overflow: hidden;
}

.codeblock pre {
  margin: 0;
  overflow: auto;
}

.codeblock code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.55;
}

.copy-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  border-radius: 12px;
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.92);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.10);
}

/* =========================
   Footer
========================= */
.site-footer {
  padding: 26px 0 40px;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.15);
}

.site-footer p {
  margin: 8px 0;
  color: var(--muted-2);
  text-align: center;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.9);
}


/* =========================
   Light Theme Override
   放在 main.css 最底部（覆盖上面所有深色设置）
========================= */
:root{
  --bg: #ffffff;
  --bg-2: #f7f7fb;

  --card: rgba(0, 0, 0, 0.04);
  --card-2: rgba(0, 0, 0, 0.06);
  --border: rgba(0, 0, 0, 0.10);

  --text: rgba(0, 0, 0, 0.88);
  --muted: rgba(0, 0, 0, 0.62);
  --muted-2: rgba(0, 0, 0, 0.45);
}

body{
  background: var(--bg);
  color: var(--text);
}

/* header 透明黑改成白底 */
.site-header{
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid var(--border);
}

/* 下拉菜单改成白底 */
.dropdown__menu{
  background: rgba(0,0,0, 0.98);
}

/* section alt 改成浅灰底 */
.section--alt{
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* 卡片/面板背景从“白字玻璃态”变成“浅灰卡片” */
/* .brand,
.hero__figure,
.figure,
.authors,
.accordion__item,
.tabs,
.codeblock{
  background: var(--card);
  border-color: var(--border);
} */



/* latex/code 背景从黑改成浅灰 */
.latex,
.codeblock{
  background: rgba(0,0,0,0.03);
}
.hero__announcement,
.btn__stats,
.authors__list a,
.codeblock code,
.copy-btn,
.site-footer a {
  color: var(--text);
}
.accordion__btn{
  color: var(--text);
}
.accordion__btn::after{
  color: var(--muted);
}

.back-to-top {
  position: fixed;
  display: none;
  width: 30px;
  height: 30px;
  text-align: center;
  line-height: 1;
  font-size: 30px;
  right: 30px;
  bottom: 30px;
  transition: background 0.5s;
  z-index: 11;
}

.back-to-top.show { 
  display: flex; 
}

.back-to-top i {
  color: #916dcc;
}

.back-to-top i:hover {
  color: #141414;
}

.back-to-top {
  animation: action 1s infinite  alternate;
}

@keyframes action {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-15px);
  }
}
/* Force center for hero description + announcement */
.hero .hero__desc{
  text-align: center !important;
  margin-left: auto !important;
  margin-right: auto !important;
  justify-self: center;   /* 兼容 grid 布局 */
  width: 100%;
}

.hero .hero__announcement{
  display: inline-block;  /* 确保链接以内容宽度居中 */
  text-align: center !important;
}

/* ===== FINDINGS Accordion: Force style ===== */
.accordion {
  display: grid;
  gap: 18px;
  margin-top: 16px;
}

/* 卡片外壳 */
.accordion__item {
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: 0 12px 30px rgba(15, 20, 60, 0.12);
}

/* header 取消默认 margin（避免奇怪空白） */
.accordion__header {
  margin: 0;
}

/* 标题条按钮：白字 + 紫色渐变 + 右侧图标 */
.accordion__btn {
  width: 100%;
  border: 0;
  background: linear-gradient(90deg, #620a74 0%, #5f62d8 100%);
  color: #fff !important;              /* 重点：强制白字，解决你现在黑字问题 */
  cursor: pointer;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;

  padding: 18px 18px;
  font-size: 20px;
  font-weight: 600; /*加粗程度*/
  line-height: 1.25;
  text-align: left;

  /* 解决按钮在某些 reset 下出现的 outline/appearance */
  appearance: none;
  -webkit-appearance: none;
}

.accordion__title {
  color: inherit !important;
  flex: 1 1 auto;
}

/* 右侧 +/- 小胶囊 */
.accordion__icon {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.14);
}

/* 默认 + */
.accordion__icon::before {
  content: "+";
  font-weight: 900;
  font-size: 22px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.92);
}

/* 展开时 - */
.accordion__btn[aria-expanded="true"] .accordion__icon::before {
  content: "–";
}

/* 展开内容白底区 */
.accordion__panel {
  background: rgba(255, 255, 255, 0.92);
  padding: 18px 18px 22px;
  color: rgba(20, 20, 20, 0.86);
  font-size: 16px;
  line-height: 1.85;
}

.accordion__panel p {
  margin: 0;
}

/* hover 微亮 */
.accordion__item:hover .accordion__btn {
  filter: brightness(1.03);
}

/* =========================
   Examples Carousel
========================= */
.carousel{
  position: relative;
  margin-top: 16px;
}

.carousel__viewport{
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.03);
  box-shadow: 0 12px 30px rgba(0,0,0,0.12);
}

.carousel__track{
  display: flex;
  transition: transform .45s ease;
  will-change: transform;
}

.carousel__slide{
  flex: 0 0 100%;
  padding: 18px;
}

.example-card{
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.55);
}

.example-card__media{
  margin: 0;
  background: rgba(0,0,0,0.10);
}

.example-card__media img{
  width: 100%;
  height: auto;
  display: block;
}

.example-card__body{
  padding: 14px 16px 16px;
  color: rgba(20,20,20,0.86);
}

.example-card__title{
  margin: 0 0 6px 0;
  font-size: 18px;
  font-weight: 700;
}

.example-card__text{
  margin: 0;
  line-height: 1.75;
}

/* arrows */
.carousel__nav{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(0,0,0,0.25);
  color: rgba(255,255,255,0.92);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 26px;
  z-index: 2;
}

.carousel__nav:hover{
  background: rgba(0,0,0,0.35);
}

.carousel__nav--prev{ left: 12px; }
.carousel__nav--next{ right: 12px; }

/* dots */
.carousel__dots{
  margin-top: 12px;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.carousel__dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.45);
  background: rgba(255,255,255,0.25);
  cursor: pointer;
}

.carousel__dot.is-active{
  background: rgba(255,255,255,0.95);
  border-color: rgba(255,255,255,0.95);
}

/* 卡片整体缩小并居中（关键：容器跟着变窄） */
#examples2 .example-card{
  max-width: 500px;   /* 你想要的卡片宽度 */
  margin: 0 auto;
}

/* 媒体区域居中 + 给一点内边距更好看 */
#examples2 .example-card__media{
  display: flex;
  justify-content: center;
  padding: 16px;
  margin: 0;
}

/* 图片跟随卡片缩放：永远不超过卡片宽度 */
#examples2 .example-card__media img{
  width: 100%;
  max-width: 500px;   /* 比卡片略小一点更舒服，可改成和卡片一致 */
  height: auto;
  display: block;
}
/* 1) 减少每一页 slide 自带的上下内边距（最主要的空白来源） */
#examples2 .carousel__slide{
  padding: 8px 12px;   /* 原来 18px -> 更紧凑 */
}

/* 2) 减少卡片媒体区域上下 padding（图片周围的空白） */
#examples2 .example-card__media{
  padding: 6px 10px;   /* 原来如果是 16px，就会很空 */
  margin: 0;
}

/* 3) 如果下面 body 没内容，直接隐藏，避免多出一块白底 */
#examples2 .example-card__body:empty{
  display: none;
}

/* 4) 你现在 h3/p 是空标签，但 body 不是 empty（因为有空白/换行）
      所以更稳的是直接把 body 关掉（如果你确实不显示标题/文字） */
#examples2 .example-card__body{
  display: none;       /* 若你后面要放文字，再删掉这一行 */
}



/* Findings：整块 hover 浮起 */
.accordion__item{
  transform: translateY(0);
  transition: transform .22s ease, box-shadow .22s ease, filter .22s ease;
  will-change: transform;
}

/* 鼠标悬停：上移一点 + 阴影更强（浮起感） */
.accordion__item:hover{
  transform: translateY(-6px);
  box-shadow: 0 18px 45px rgba(0,0,0,0.18);
  filter: brightness(1.02);
}

/* 可选：按下时稍微压回一点，有“按压反馈” */
.accordion__item:active{
  transform: translateY(-2px);
}

/* ===== HERO CTA: match figure-2 pill style ===== */
.hero__cta.btn--primary{
  /* 取消全宽条（如果你之前有 width:100% / display:block） */
  width: auto !important;
  max-width: none !important;
  display: inline-flex !important;

  align-items: center;
  justify-content: center;
  gap: 14px;

  padding: 14px 22px;
  border-radius: 999px;

  /* 图二那种深蓝紫 */
  background: linear-gradient(90deg, #2b2f6d 0%, #3a3f86 100%) !important;
  color: #fff !important;

  box-shadow: 0 14px 30px rgba(20, 24, 60, 0.18);
  border: 1px solid rgba(255,255,255,0.18);

  text-decoration: none;
}

/* 让按钮在 hero 中居中（如果你 hero 默认是居左） */
.hero__content{
  text-align: center;
}
.hero__content .btn--primary{
  margin: 14px auto 0;
}

/* 左侧区域：GitHub 图标 + 文案 */
.hero__cta .btn__left{
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  line-height: 1;
}

.hero__cta .btn__left i{
  font-size: 22px;
}

/* 中间竖分隔线 */
.hero__cta .btn__divider{
  width: 1px;
  height: 26px;
  background: rgba(255,255,255,0.28);
}

/* 右侧 stats：两个数字一行，间距像图二 */
.hero__cta .btn__stats{
  display: inline-flex;
  align-items: center;
  gap: 18px;
  font-weight: 700;
  font-size: 18px;
  line-height: 1;
}

.hero__cta .btn__stats .stat{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  opacity: 0.95;
}

/* hover 更像图二：轻微抬起/变亮 */
.hero__cta.btn--primary:hover{
  transform: translateY(-1px);
  filter: brightness(1.03);
}

/* 按下回弹 */
.hero__cta.btn--primary:active{
  transform: translateY(0px);
}
/* Simple table styling for metrics */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

table th,
table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

table th {
  background: rgba(0, 0, 0, 0.04);
  font-weight: 600;
}

table tr:last-child td {
  border-bottom: none;
}

table tr:hover td {
  background: rgba(0, 0, 0, 0.02);
}

/* ===== Bench table layout ===== */
.tabs--bench .tabs__panel{
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(0,0,0,0.08);
  padding: 14px;
}

.table-wrap{
  overflow-x: auto;
  border-radius: 14px;
}

/* 表格基础 */
.bench-table{
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  min-width: 860px; /* 小屏可横向滚动 */
  font-size: 16px;
}

.bench-table th,
.bench-table td{
  padding: 14px 16px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  background: #fff;
  text-align: center;
  white-space: nowrap;
}

/* sticky header */
.bench-table thead th{
  position: sticky;
  top: 0;
  z-index: 2;
  background: #f3f4f6;
  font-weight: 700;
}

/* sticky first column (Model) */
.bench-table .col-model{
  position: sticky;
  left: 0;
  z-index: 3;
  text-align: left;
  background: #f3f4f6;
  min-width: 200px;
  font-weight: 600;
}

/* zebra */
.bench-table tbody tr:nth-child(even) td{
  background: #fafafa;
}
.bench-table tbody tr:nth-child(even) .col-model{
  background: #f0f1f3;
}

/* ===== Heatmap cells: use classes to color ===== */
.hm{
  border-radius: 8px;
  font-variant-numeric: tabular-nums;
}

/* 下面这些颜色接近截图里“淡灰/淡黄/淡绿/淡蓝/淡粉”的块感 */
.hm-g0{ background: rgba(148,163,184,0.25); } /* low */
.hm-g1{ background: rgba(148,163,184,0.35); }
.hm-g2{ background: rgba(148,163,184,0.45); }
.hm-g3{ background: rgba(148,163,184,0.55); } /* high gray */

.hm-y1{ background: rgba(245,158,11,0.18); }  /* yellow-ish */
.hm-y2{ background: rgba(245,158,11,0.26); }
.hm-y3{ background: rgba(245,158,11,0.34); }

.hm-b1{ background: rgba(59,130,246,0.16); }  /* blue-ish */
.hm-b2{ background: rgba(59,130,246,0.24); }
.hm-b3{ background: rgba(59,130,246,0.32); }

.hm-p1{ background: rgba(236,72,153,0.14); }  /* pink-ish */
.hm-p2{ background: rgba(236,72,153,0.22); }
.hm-p3{ background: rgba(236,72,153,0.30); }


/* =========================
   Bench Tabs (light style)
========================= */
.tabs--bench {
  background: transparent;
  border: 0;
}

.tabs--bench .tabs__list{
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 14px;
  padding: 10px 12px;
  gap: 10px;
}

.tabs--bench .tabs__tab{
  flex: 0 0 auto;
  padding: 10px 14px;
  border-radius: 12px;
  background: transparent;
  color: rgba(0,0,0,0.70);
  font-weight: 700;
}

.tabs--bench .tabs__tab[aria-selected="true"]{
  color: #1d4ed8; /* active 蓝色 */
  background: rgba(29, 78, 216, 0.10);
}

/* panel 卡片 */
.tabs__panel--bench{
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 16px;
  padding: 14px;
  margin-top: 12px;
}

/* =========================
   Bench Table
========================= */
.table-wrap{
  overflow-x: auto;
  border-radius: 12px;
}

.bench-table{
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  min-width: 900px; /* 小屏横向滚动 */
  font-size: 16px;
}

/* cell */
.bench-table th,
.bench-table td{
  padding: 14px 16px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  text-align: center;
  white-space: nowrap;
  background: #fff;
}

/* sticky header */
.bench-table thead th{
  position: sticky;
  top: 0;
  z-index: 2;
  background: #f3f4f6;
  font-weight: 800;
}

/* sticky first column */
.bench-table .col-model{
  position: sticky;
  left: 0;
  z-index: 3;
  text-align: left;
  background: #f3f4f6;
  min-width: 220px;
  font-weight: 700;
}

/* zebra */
.bench-table tbody tr:nth-child(even) td{
  background: #fafafa;
}
.bench-table tbody tr:nth-child(even) .col-model{
  background: #eef1f5;
}

/* heatmap cell base */
.bench-table td.hm{
  border-radius: 10px;
  font-variant-numeric: tabular-nums;
}

/* ===== Sorting UI (optional but nice) ===== */
.bench-table thead th[data-sort]{
  cursor: pointer;
  user-select: none;
}

.bench-table thead th[data-sort]::after{
  content: "↕";
  font-size: 12px;
  margin-left: 8px;
  opacity: 0.35;
}

.bench-table thead th[aria-sort="ascending"]::after{
  content: "▲";
  opacity: 0.75;
}

.bench-table thead th[aria-sort="descending"]::after{
  content: "▼";
  opacity: 0.75;
}

.bench-head__actions{
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

/* Sort toggle */
.bench-sort-toggle{
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,0.10);
  background: rgba(255,255,255,0.85);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  color: rgba(0,0,0,0.70);
}

.bench-sort-toggle[aria-pressed="true"]{
  color: rgba(0,0,0,0.85);
  border-color: rgba(0,0,0,0.12);
}

.bench-sort-toggle[aria-pressed="false"]{
  opacity: 0.75;
}

/* 当排序关闭：表头不显示箭头、不显示手型 */
#benchmarks[data-sort-enabled="false"] .bench-table thead th[data-sort]{
  cursor: default;
}

#benchmarks[data-sort-enabled="false"] .bench-table thead th[data-sort]::after{
  content: ""; /* 隐藏↕/▲/▼ */
}
/* 顶部一行：标题 + tabs + 右侧开关 */
.bench-bar{
  display: grid;
  gap: 12px;
}

.bench-title{ margin: 0; }

/* 顶部 bar：左 tabs，右开关 */
.bench-tabsbar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

/* tabs list 靠左 */
.bench-tabs{
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

/* 右侧开关 */
.bench-enhance-toggle{
  margin-left: auto;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,0.10);
  background: rgba(255,255,255,0.85);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  color: rgba(0,0,0,0.72);
  white-space: nowrap;
}
.bench-enhance-toggle[aria-pressed="false"]{ opacity: 0.75; }

/* 关闭增强：表头不可点、箭头不显示 */
#benchmarks[data-bench-enhance="false"] .bench-table thead th[data-sort]{
  cursor: default;
}

#benchmarks[data-bench-enhance="false"] .bench-table thead th[data-sort]::after{
  content: "";
}

/* group row inside bench tables */
.bench-group td{
  text-align: left;
  font-weight: 800;
  background: rgba(255,255,255,0.06);
  color: rgba(117, 35, 0, 0.92);
}

/**++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++/
/* ===== Legend (outside table) ===== */
.bench-legend{
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 6px 0 10px;
  color: rgba(0,0,0,0.65);
  font-weight: 700;
  font-size: 14px;
}

.legend-item{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(0,0,0,0.04);
  border: 1px solid rgba(0,0,0,0.08);
}

.legend-dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
}

.legend-dot--commercial{ background: rgba(29, 78, 216, 0.85); } /* blue */
.legend-dot--open{ background: rgba(234, 76, 137, 0.85); }      /* pink */

/* ===== Model tag in table ===== */
.model-tag{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
  margin-right: 10px;
  transform: translateY(-1px);
}

.model-tag--commercial{ background: rgba(29, 78, 216, 0.85); }
.model-tag--open{ background: rgba(234, 76, 137, 0.85); }

/* ===== Bench: tabs bar (left tabs + right toggle) ===== */
.bench-tabsbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:12px;
}

/* legend */
.bench-legend{
  display:flex;
  gap:16px;
  align-items:center;
  margin: 8px 0 14px;
  color: rgba(0,0,0,0.70);
  font-weight: 700;
}
.bench-legend__item{ display:inline-flex; align-items:center; gap:8px; }
.bench-legend__dot{
  width:10px; height:10px; border-radius:999px; display:inline-block;
}
.bench-legend__dot--commercial{ background:rgba(29, 78, 216, 0.85); }
.bench-legend__dot--open{ background:rgba(234, 76, 137, 0.85); }

/* model name color */
.model-name--commercial{ color:rgba(29, 78, 216, 0.85); font-weight:800; }
.model-name--open{ color:rgba(234, 76, 137, 0.85); font-weight:800; }

/* when enhancements OFF: disable sort indicator + click */
#benchmarks[data-bench-enhance="false"] .bench-table thead th[data-sort]{
  cursor: default;
}
#benchmarks[data-bench-enhance="false"] .bench-table thead th[data-sort]::after{
  content: "";
}

/* ✅ benchmarks-matrices：Sort Off 时隐藏↕/▲/▼ */
#benchmarks-matrices.sort-off .bench-table thead th[data-sort]::after{
  content: "" !important;
}

/* Sort Off 时保持表头正常（不透明） */
#benchmarks-matrices.sort-off .bench-table thead th[data-sort]{
  opacity: 1 !important;
  cursor: default;
}

/**++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/

.bench-controls{
  display:flex;
  gap:10px;
  align-items:center;
}

.bench-table.sort-disabled thead th[data-sort]{
  cursor: default;
  opacity: 1;
  pointer-events: none;
}



/* Heatmap 三档（你可以换色，我先给一个干净的蓝系） */
#benchmarks-matrices .bench-table td.hm.hm-b1 { background: rgba(0, 91, 255, 0.10); }
#benchmarks-matrices .bench-table td.hm.hm-b2 { background: rgba(0, 91, 255, 0.22); }
#benchmarks-matrices .bench-table td.hm.hm-b3 { background: rgba(0, 91, 255, 0.36); }

/* 可选：让热力格子更像“块” */
#benchmarks-matrices .bench-table td.hm{
  border-radius: 8px;
}

/* ✅ bench-controls 两个开关统一美术 */
.bench-controls .bench-toggle{
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,0.10);
  background: rgba(255,255,255,0.85);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  color: rgba(0,0,0,0.72);
  white-space: nowrap;
  transition: transform .15s ease, filter .15s ease, background .15s ease;
}

.bench-controls .bench-toggle:hover{
  filter: brightness(0.98);
  transform: translateY(-1px);
}

.bench-controls .bench-toggle[aria-pressed="false"]{
  opacity: 0.75;
}

/* 统一轮播卡片图片高度 */
.example-card__media{
  height: 400px;
  overflow: hidden;
  border-radius: 14px;
  background: rgba(255,255,255,0.04); /* 留白时不突兀，可选 */
}

.example-card__media img{
  width: 100%;
  height: 100%;
  object-fit: contain;    /* 不裁剪 */
  display: block;
}