/* ==========================================================================
   Harness Landing — main stylesheet
   复刻 DeepSeek Harness 官网视觉：深色 / 藏蓝辉光 / 像素字体点缀 / 胶囊按钮
   ========================================================================== */

:root {
  --bg: #050608;
  --bg-elev: #0c0d10;
  --card: #101115;
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #f4f6fb;
  --text-2: rgba(235, 240, 250, 0.56);
  --text-3: rgba(235, 240, 250, 0.36);
  --blue: #4d6bfe;
  --blue-soft: #7f97ff;
  --blue-glow: rgba(77, 107, 254, 0.35);
  --navy-1: #16315f;
  --navy-2: #0b1c3d;
  --mono: "SFMono-Regular", "JetBrains Mono", Consolas, "Liberation Mono", monospace;
  --sans: "Host Grotesk", "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --pixel: "Silkscreen", var(--mono);
  --radius: 16px;
  --nav-h: 56px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.hl-body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img, canvas, svg { display: block; max-width: 100%; }

.hl-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- reveal on scroll ---------- */
.hl-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.hl-reveal.is-in { opacity: 1; transform: none; }

/* ==========================================================================
   浮动胶囊导航
   ========================================================================== */
.hl-nav {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 32px));
  height: var(--nav-h);
  padding: 0 10px 0 20px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(16, 18, 23, 0.55);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.hl-nav.is-scrolled {
  background: rgba(12, 13, 17, 0.82);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.hl-nav__brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.hl-nav__logo { display: flex; align-items: center; gap: 7px; font-weight: 700; font-size: 19px; letter-spacing: -0.02em; }
.hl-nav__logo svg { width: 26px; height: 26px; }

.hl-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  line-height: 1.4;
  white-space: nowrap;
}
.hl-badge--outline {
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--mono);
  letter-spacing: 0.04em;
}
.hl-badge--blue {
  background: rgba(77, 107, 254, 0.22);
  color: var(--blue-soft);
  border: 1px solid rgba(77, 107, 254, 0.35);
}

.hl-nav__right { display: flex; align-items: center; gap: 14px; }

.hl-lang {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 13px;
  color: var(--text-2);
}
.hl-lang button {
  border: 0;
  background: transparent;
  color: inherit;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 13px;
  transition: color 0.2s, background 0.2s;
}
.hl-lang button.is-active { background: rgba(255, 255, 255, 0.14); color: #fff; }

.hl-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}
.hl-btn svg { width: 16px; height: 16px; }
.hl-btn--sm { padding: 7px 16px; font-size: 13px; }
.hl-btn--solid { background: #fff; color: #0b0c0f; }
.hl-btn--solid:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(255, 255, 255, 0.18); }
.hl-btn--ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--text);
  backdrop-filter: blur(8px);
}
.hl-btn--ghost:hover { border-color: rgba(255, 255, 255, 0.4); transform: translateY(-1px); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hl-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 90px;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 50% -10%, var(--navy-1) 0%, var(--navy-2) 38%, var(--bg) 78%);
}

.hl-hero__ribbons { position: absolute; inset: 0; pointer-events: none; }
.hl-hero__ribbons svg { width: 100%; height: 100%; }

.hl-hero__whale {
  position: absolute;
  top: 40%;
  left: 63%;
  transform: translate(-50%, -50%);
  width: min(470px, 48vw);
  opacity: 0.7;
  pointer-events: none;
}

.hl-hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 48px;
  align-items: center;
}

.hl-hero__eyebrow { font-size: 18px; font-weight: 600; color: #fff; }
.hl-hero__title {
  margin-top: 10px;
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.15;
}
.hl-hero__desc {
  margin-top: 26px;
  max-width: 560px;
  color: var(--text-2);
  font-size: 15.5px;
}
.hl-hero__desc p + p { margin-top: 6px; }

.hl-hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }

/* 终端卡片 */
.hl-term {
  position: relative;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(10, 12, 17, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}
.hl-term__tabs { display: flex; padding: 10px 12px 0; gap: 4px; }
.hl-term__tab {
  border: 0;
  background: transparent;
  color: var(--text-3);
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 8px 8px 0 0;
  transition: color 0.2s, background 0.2s;
}
.hl-term__tab.is-active { color: #fff; background: rgba(255, 255, 255, 0.07); }

.hl-term__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.03);
}
.hl-term__dots { display: flex; gap: 7px; }
.hl-term__dots i { width: 11px; height: 11px; border-radius: 50%; }
.hl-term__dots i:nth-child(1) { background: #ff5f57; }
.hl-term__dots i:nth-child(2) { background: #febc2e; }
.hl-term__dots i:nth-child(3) { background: #28c840; }

.hl-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  white-space: nowrap;
  border: 0;
  background: transparent;
  color: var(--text-2);
  font-size: 12.5px;
  padding: 5px 10px;
  border-radius: 7px;
  transition: color 0.2s, background 0.2s;
}
.hl-copy:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.hl-copy svg { width: 14px; height: 14px; }
.hl-copy.is-copied { color: #34d399; }

.hl-term__body {
  padding: 26px 22px 30px;
  font-family: var(--mono);
  font-size: 15px;
  color: #e8ecf5;
  overflow-x: auto;
  white-space: nowrap;
}
.hl-term__body .hl-prompt { color: var(--blue-soft); margin-right: 10px; }

/* ==========================================================================
   通用区块
   ========================================================================== */
.hl-section { padding: 110px 0; position: relative; }

.hl-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.09);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
}
.hl-tag--cn { font-family: var(--sans); letter-spacing: 0.05em; text-transform: none; font-size: 13px; }

.hl-h2 {
  margin-top: 18px;
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.hl-h2 .hl-pixel {
  font-family: var(--pixel);
  color: var(--blue);
  letter-spacing: 0.02em;
  margin-right: 6px;
}
.hl-sub { margin-top: 18px; color: var(--text-2); font-size: 15.5px; }

.hl-center { text-align: center; }
.hl-center .hl-sub { max-width: 720px; margin-left: auto; margin-right: auto; }

/* ==========================================================================
   三能力卡片
   ========================================================================== */
.hl-cards {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.hl-card {
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #121318 0%, #0c0d11 100%);
  padding: 44px 30px 40px;
  text-align: center;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.hl-card:hover {
  transform: translateY(-4px);
  border-color: rgba(127, 151, 255, 0.35);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(127, 151, 255, 0.08);
}
.hl-card__icon {
  width: 54px;
  height: 54px;
  margin: 0 auto 22px;
  color: rgba(235, 240, 250, 0.8);
}
.hl-card__icon svg { width: 100%; height: 100%; }
.hl-card__title { font-size: 18px; font-weight: 600; }
.hl-card__title a { color: inherit; border-bottom: 1px solid rgba(255, 255, 255, 0.35); }
.hl-card__title a:hover { color: var(--blue-soft); border-color: var(--blue-soft); }
.hl-card__en {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-3);
}
.hl-card__desc { margin-top: 16px; color: var(--text-2); font-size: 14px; }

/* ==========================================================================
   设计思路（左选项卡 + 右面板）
   ========================================================================== */
.hl-design__grid {
  margin-top: 64px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 56px;
  align-items: start;
}

.hl-dtab {
  display: flex;
  gap: 14px;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 22px 18px;
  border-radius: 14px;
  color: var(--text-3);
  transition: background 0.25s ease, color 0.25s ease;
}
.hl-dtab + .hl-dtab { margin-top: 6px; }
.hl-dtab svg { width: 22px; height: 22px; flex: none; margin-top: 3px; }
.hl-dtab__t { font-size: 17px; font-weight: 600; color: inherit; }
.hl-dtab__d { margin-top: 6px; font-size: 13.5px; line-height: 1.65; color: var(--text-3); display: none; }
.hl-dtab.is-active { background: rgba(255, 255, 255, 0.05); color: #fff; }
.hl-dtab.is-active .hl-dtab__d { display: block; color: var(--text-2); }
.hl-dtab:not(.is-active):hover { color: rgba(255, 255, 255, 0.75); }

.hl-dpanel { display: none; }
.hl-dpanel.is-active { display: block; animation: hlFade 0.45s ease; }
@keyframes hlFade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.hl-dpanel__text { color: var(--text-2); font-size: 15px; margin-bottom: 26px; }
.hl-dpanel__text a { color: var(--blue-soft); border-bottom: 1px solid rgba(127, 151, 255, 0.4); }

/* 插件星图（一切皆插件） */
.hl-constellation {
  position: relative;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  background: radial-gradient(80% 80% at 50% 45%, #101527 0%, #0a0b0f 75%);
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hl-constellation__core {
  position: relative;
  z-index: 2;
  padding: 14px 26px;
  border-radius: 12px;
  border: 1px solid rgba(127, 151, 255, 0.45);
  background: rgba(77, 107, 254, 0.14);
  color: #cdd8ff;
  font-weight: 600;
  font-size: 15px;
  box-shadow: 0 0 44px var(--blue-glow);
}
.hl-chip {
  position: absolute;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  font-size: 12.5px;
  color: var(--text-2);
  font-family: var(--mono);
  animation: hlFloat 5s ease-in-out infinite;
}
@keyframes hlFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* 轨迹日志（运行有迹可循） */
.hl-trace {
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  background: #0b0c10;
  overflow: hidden;
  font-size: 12.5px;
}
.hl-trace__bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--text-3);
  font-family: var(--mono);
  font-size: 11.5px;
}
.hl-trace__bar b { color: var(--blue-soft); font-weight: 500; }
.hl-trace__rows { padding: 12px 0; max-height: 340px; overflow: hidden; }
.hl-trace__row {
  display: flex;
  gap: 12px;
  padding: 7px 16px;
  align-items: baseline;
}
.hl-trace__row:nth-child(odd) { background: rgba(255, 255, 255, 0.02); }
.hl-trace__badge {
  flex: none;
  width: 74px;
  text-align: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 2px 0;
  border-radius: 5px;
}
.hl-trace__badge--system { background: rgba(148, 163, 184, 0.16); color: #aab4c6; }
.hl-trace__badge--user { background: rgba(59, 130, 246, 0.18); color: #93b8fd; }
.hl-trace__badge--assistant { background: rgba(139, 92, 246, 0.18); color: #c0a8fa; }
.hl-trace__badge--tool { background: rgba(245, 158, 11, 0.16); color: #f5c76b; }
.hl-trace__badge--context { background: rgba(16, 185, 129, 0.16); color: #7fdcb8; }
.hl-trace__msg { color: rgba(235, 240, 250, 0.6); font-family: var(--mono); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 运行模式列表面板 */
.hl-modes {
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  background: #0b0c10;
  overflow: hidden;
}
.hl-modes__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-3);
}
.hl-modes__head b { color: #fff; font-weight: 500; }
.hl-modes__head span { color: var(--blue-soft); }
.hl-mode { padding: 16px 18px; }
.hl-mode + .hl-mode { border-top: 1px solid rgba(255, 255, 255, 0.05); }
.hl-mode__t { font-size: 14px; font-weight: 600; color: #fff; }
.hl-mode__d { margin-top: 4px; font-size: 12.5px; color: var(--text-2); }

/* ==========================================================================
   视频区块
   ========================================================================== */
.hl-video {
  margin-top: 48px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    radial-gradient(90% 120% at 50% 0%, #101528 0%, #07080c 70%);
  aspect-ratio: 16 / 9;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hl-video__title { font-size: clamp(20px, 2.6vw, 32px); font-weight: 300; letter-spacing: 0.02em; color: rgba(255, 255, 255, 0.9); text-align: center; }
.hl-video__title small { display: block; margin-top: 14px; font-size: 15px; color: var(--text-3); border-top: 1px solid rgba(255,255,255,.14); padding-top: 14px; }
.hl-video__play {
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, background 0.25s ease;
}
.hl-video__play:hover { transform: translateY(-50%) scale(1.08); background: rgba(255, 255, 255, 0.12); }
.hl-video__play svg { width: 26px; height: 26px; fill: #fff; margin-left: 3px; }
.hl-video__controls {
  position: absolute;
  left: 16px; right: 16px; bottom: 14px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 16px;
  border-radius: 12px;
  background: rgba(10, 11, 15, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  color: var(--text-2);
  font-size: 12px;
  font-family: var(--mono);
}
.hl-video__controls svg { width: 15px; height: 15px; fill: currentColor; }
.hl-video__progress { flex: 1; height: 4px; border-radius: 2px; background: rgba(255, 255, 255, 0.14); position: relative; }
.hl-video__progress i { position: absolute; left: 0; top: 0; bottom: 0; width: 6%; border-radius: 2px; background: #fff; }
.hl-video__progress i::after {
  content: ""; position: absolute; right: -5px; top: 50%; transform: translateY(-50%);
  width: 10px; height: 10px; border-radius: 50%; background: #fff;
}

/* ==========================================================================
   常见问题（左标题 + 右手风琴）
   ========================================================================== */
.hl-faq__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.42fr) minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}
.hl-faq__title { font-size: clamp(26px, 3vw, 36px); font-weight: 700; position: sticky; top: 100px; }

.hl-faq__list { border-top: 1px solid rgba(255, 255, 255, 0.09); }
.hl-faq__item { border-bottom: 1px solid rgba(255, 255, 255, 0.09); }
.hl-faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 4px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 16px;
  font-weight: 500;
  text-align: left;
  transition: color 0.2s;
}
.hl-faq__q:hover { color: var(--blue-soft); }
.hl-faq__q svg {
  flex: none;
  width: 16px;
  height: 16px;
  color: var(--text-3);
  transition: transform 0.3s ease, color 0.3s ease;
}
.hl-faq__item.is-open .hl-faq__q svg { transform: rotate(90deg); color: var(--blue-soft); }
.hl-faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.hl-faq__a-inner {
  padding: 2px 4px 26px;
  color: var(--text-2);
  font-size: 14.5px;
  line-height: 1.85;
}
.hl-faq__a-inner a { color: var(--blue-soft); border-bottom: 1px solid rgba(127, 151, 255, 0.4); }
.hl-faq__a-inner code {
  font-family: var(--mono);
  font-size: 13px;
  padding: 2px 7px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #dfe6f3;
}

/* ==========================================================================
   新闻动态
   ========================================================================== */
.hl-news__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.hl-news__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-2);
  font-size: 14px;
  transition: color 0.2s;
}
.hl-news__more:hover { color: #fff; }
.hl-news__more svg { width: 15px; height: 15px; }

.hl-news__grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.hl-ncard {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #111217 0%, #0c0d10 100%);
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.hl-ncard:hover {
  transform: translateY(-4px);
  border-color: rgba(127, 151, 255, 0.35);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.hl-ncard__thumb { aspect-ratio: 16 / 9; overflow: hidden; background: #0a1020; }
.hl-ncard__thumb img, .hl-ncard__thumb svg { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.hl-ncard:hover .hl-ncard__thumb img { transform: scale(1.04); }
.hl-ncard__body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.hl-ncard__date { font-family: var(--mono); font-size: 12px; color: var(--blue-soft); letter-spacing: 0.06em; }
.hl-ncard__title { margin-top: 10px; font-size: 17px; font-weight: 600; line-height: 1.5; }
.hl-ncard__excerpt { margin-top: 8px; color: var(--text-2); font-size: 13.5px; flex: 1; }
.hl-ncard__link { margin-top: 16px; font-size: 13.5px; color: var(--text-2); display: inline-flex; align-items: center; gap: 5px; }
.hl-ncard:hover .hl-ncard__link { color: var(--blue-soft); }
.hl-ncard__link svg { width: 14px; height: 14px; }

/* 新闻目录页 */
.hl-page-head { padding: 150px 0 40px; }
.hl-nlist { border-top: 1px solid rgba(255, 255, 255, 0.09); margin-top: 20px; }
.hl-nitem {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  align-items: center;
}
.hl-nitem__thumb { aspect-ratio: 16 / 9; border-radius: 12px; overflow: hidden; border: 1px solid var(--card-border); background: #0a1020; }
.hl-nitem__thumb img, .hl-nitem__thumb svg { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.hl-nitem:hover .hl-nitem__thumb img { transform: scale(1.05); }
.hl-nitem__title { font-size: 19px; font-weight: 600; }
.hl-nitem__title a:hover { color: var(--blue-soft); }
.hl-nitem__excerpt { margin-top: 8px; color: var(--text-2); font-size: 14px; }
.hl-nitem__date { margin-top: 12px; font-family: var(--mono); font-size: 12px; color: var(--text-3); letter-spacing: 0.06em; }

.hl-pagination { display: flex; justify-content: center; gap: 8px; margin: 48px 0 90px; }
.hl-pagination a, .hl-pagination span {
  min-width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-2);
  font-size: 14px;
  padding: 0 12px;
}
.hl-pagination .is-current { background: rgba(77, 107, 254, 0.2); border-color: rgba(77, 107, 254, 0.4); color: #cdd8ff; }
.hl-pagination a:hover { border-color: rgba(255, 255, 255, 0.35); color: #fff; }

/* 新闻内页 */
.hl-article { max-width: 760px; margin: 0 auto; padding: 0 24px 90px; }
.hl-article__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-2);
  font-size: 14px;
  margin-bottom: 28px;
}
.hl-article__back:hover { color: #fff; }
.hl-article__back svg { width: 15px; height: 15px; }
.hl-article__title { font-size: clamp(26px, 3.2vw, 38px); font-weight: 700; line-height: 1.4; }
.hl-article__meta { margin-top: 16px; display: flex; gap: 18px; color: var(--text-3); font-size: 13px; font-family: var(--mono); }
.hl-article__hero { margin: 34px 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--card-border); }
.hl-article__hero img, .hl-article__hero svg { width: 100%; height: auto; }
.hl-article__content { color: rgba(235, 240, 250, 0.78); font-size: 15.5px; line-height: 1.95; }
.hl-article__content p { margin: 0 0 22px; }
.hl-article__content h2 { color: #fff; font-size: 22px; margin: 40px 0 16px; }
.hl-article__content ul { margin: 0 0 22px 22px; }
.hl-article__content li { margin-bottom: 8px; }
.hl-article__content a { color: var(--blue-soft); border-bottom: 1px solid rgba(127, 151, 255, 0.4); }
.hl-article__content code {
  font-family: var(--mono); font-size: 13.5px;
  padding: 2px 7px; border-radius: 6px;
  background: rgba(255, 255, 255, 0.07); border: 1px solid rgba(255, 255, 255, 0.08);
}
.hl-article__nav {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 14px;
}
.hl-article__nav a { color: var(--text-2); max-width: 46%; }
.hl-article__nav a:hover { color: var(--blue-soft); }
.hl-article__nav small { display: block; color: var(--text-3); font-size: 12px; margin-bottom: 4px; }

/* ==========================================================================
   生态 CTA + 页脚
   ========================================================================== */
.hl-eco {
  position: relative;
  padding: 150px 0 170px;
  text-align: center;
  overflow: hidden;
  background: radial-gradient(75% 90% at 50% 100%, #0e2148 0%, var(--bg) 68%);
}
.hl-eco__whale {
  position: absolute;
  left: 50%;
  bottom: -30px;
  transform: translateX(-50%);
  width: min(700px, 90vw);
  opacity: 0.5;
  pointer-events: none;
}
.hl-eco h2 { font-size: clamp(28px, 3.4vw, 42px); font-weight: 700; position: relative; }
.hl-eco p {
  position: relative;
  margin: 22px auto 0;
  max-width: 680px;
  color: var(--text-2);
  font-size: 15px;
}
.hl-eco__cta { position: relative; margin-top: 38px; display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }

.hl-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 26px 0 34px;
  background: #040507;
}
.hl-footer__grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-3);
}
.hl-footer__links a { color: var(--text-2); }
.hl-footer__links a:hover { color: #fff; }
.hl-footer__links span { margin: 0 10px; opacity: 0.4; }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 960px) {
  .hl-hero__grid { grid-template-columns: 1fr; gap: 56px; }
  .hl-hero__whale { left: 50%; top: 30%; width: min(420px, 78vw); opacity: 0.45; }
  .hl-cards { grid-template-columns: 1fr; }
  .hl-design__grid { grid-template-columns: 1fr; gap: 32px; }
  .hl-faq__grid { grid-template-columns: 1fr; gap: 24px; }
  .hl-faq__title { position: static; }
  .hl-news__grid { grid-template-columns: 1fr; }
  .hl-nitem { grid-template-columns: 1fr; gap: 16px; }
  .hl-nitem__thumb { max-width: 360px; }
  .hl-nav__brand .hl-badge--blue { display: none; }
  .hl-video__play { right: 50%; transform: translate(50%, -50%); }
  .hl-video__play:hover { transform: translate(50%, -50%) scale(1.08); }
}
@media (max-width: 640px) {
  .hl-section { padding: 80px 0; }
  .hl-nav { padding-left: 14px; gap: 10px; }
  .hl-nav__logo { font-size: 16px; }
  .hl-badge--outline { display: none; }
  .hl-footer__grid { justify-content: center; text-align: center; }
}