/* ============================================================
   extras.css   ·   补充样式
   ------------------------------------------------------------
   仅承载 4 个核心 CSS 文件中缺失的、index.html 直接出现的
   装饰类与排版细节。请勿放入任何已被其他文件覆盖的样式。
   ============================================================ */


/* ---------- 全局背景装饰 ---------- */
.bg-decor {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(ellipse at top, #eef4ff 0%, #f8fafc 40%, #ffffff 100%);
}

.bg-decor__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(37, 99, 235, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(37, 99, 235, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 80%);
}

.bg-decor__glow {
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.45;
}
.bg-decor__glow--a {
  top: -160px; left: -120px;
  background: radial-gradient(circle, #93c5fd 0%, transparent 70%);
}
.bg-decor__glow--b {
  top: 80px; right: -160px;
  background: radial-gradient(circle, #c4b5fd 0%, transparent 70%);
}


/* ---------- Hero 容器与小标题 ---------- */
.hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-6);
}

.hero__eyebrow {
  margin: 0;
  font-family: 'Manrope', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  text-align: center;
}


/* ---------- Logo 双行排版 ---------- */
.site-logo__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.1;
}

.site-logo__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.site-logo__sub {
  font-size: 10px;
  font-weight: 500;
  color: var(--color-text-tertiary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 700px) {
  .site-logo__sub { display: none; }
  .site-logo__name { font-size: 15px; }
}


/* ---------- 详细介绍区域大标题 ---------- */
.detail__heading {
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--sp-5) 0;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.detail__heading::before {
  content: "";
  width: 4px;
  height: 18px;
  border-radius: 2px;
  background: var(--gradient-primary);
}


/* ---------- 页脚 Logo 标记 ---------- */
.site-footer__brand-mark {
  display: inline-flex;
  width: 32px;
  height: 32px;
  flex: none;
}
.site-footer__brand-mark svg {
  width: 100%;
  height: 100%;
}


/* ---------- 页脚版权 ---------- */
.site-footer__copyright {
  font-size: var(--fs-xs);
  color: var(--color-text-tertiary);
  line-height: 1.7;
}
.site-footer__copyright a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}
.site-footer__copyright a:hover {
  color: var(--color-primary);
}


/* ---------- 通用 visual-placeholder fallback ----------
   主图加载失败时的占位文字样式。base/showcase/sections 中
   只在特定父容器下声明，这里给出全局兜底。 */
.visual-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg,
      rgba(37, 99, 235, 0.08) 0%,
      rgba(124, 58, 237, 0.08) 100%);
  color: var(--color-text-tertiary);
  font-family: 'Manrope', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: center;
  padding: var(--sp-3);
  border-radius: inherit;
  pointer-events: none;
}
.visual-placeholder::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px dashed rgba(37, 99, 235, 0.3);
  border-radius: inherit;
  pointer-events: none;
}


/* ---------- 滚动揭示动画 (data-reveal) ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity   0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}


/* ---------- 移动端菜单展开时锁定滚动 ---------- */
@media (max-width: 900px) {
  body.menu-open { overflow: hidden; }
}


/* ============================================================
   ░░░  V2 OVERRIDES & NEW MODULES  ░░░
   ------------------------------------------------------------
   - Logo 改为 <img>
   - Hero 改为图片背景 + 图片轮播
   - Showcase 改为 PPT 风格图片轮播
   - Tech 改为图片卡片
   - Cases 增加行业标签
   - 新增「技术能力」「联系我们」两大区块
   - Footer 精简 (无地址 / 无社交 / 无 ICP)
   ============================================================ */


/* ---------- Logo Mark (<img> 替代旧 SVG) ---------- */
.site-logo__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: 10px;
  overflow: hidden;
  background: transparent;
  box-shadow: none;
}
.site-logo__mark::before { content: none !important; display: none !important; }
.site-logo__mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.site-footer__brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}


/* ---------- Hero 改为全屏图片背景 (无 SVG 动效) ---------- */
.hero {
  position: relative;
  isolation: isolate;
  background: transparent;
  overflow: hidden;
  min-height: 720px;
  padding-top: clamp(140px, 14vw, 200px);
  padding-bottom: var(--sp-12);
}

.hero::before { content: none !important; }
.hero__deco,
.hero__deco--ai,
.hero__deco--xr { display: none !important; }

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
}
.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero__bg .visual-placeholder {
  background: linear-gradient(135deg, #1e3a8a 0%, #4338ca 50%, #6d28d9 100%);
  color: rgba(255, 255, 255, 0.4);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(15, 23, 42, 0.0) 0%, rgba(15, 23, 42, 0.45) 70%),
    linear-gradient(180deg, rgba(15, 23, 42, 0.30) 0%, rgba(15, 23, 42, 0.55) 60%, rgba(15, 23, 42, 0.78) 100%);
}

/* Hero 文字反白 */
.hero__inner {
  color: #fff;
}
.hero__title-wrap { text-align: center; }

.hero__eyebrow {
  background: linear-gradient(90deg, #93c5fd 0%, #c4b5fd 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  color: transparent !important;
}

.hero__title {
  color: #fff !important;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.hero__tagline {
  color: rgba(255, 255, 255, 0.86) !important;
}
.hero__tagline::before,
.hero__tagline::after {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent) !important;
}


/* ---------- Hero Carousel (image-dominated card) ---------- */
.hero-card {
  position: relative;
  display: block !important;          /* 覆盖 V1 的 grid 双栏 */
  width: 100%;
  aspect-ratio: 16 / 7;
  min-height: 360px;
  border-radius: 20px;
  overflow: hidden;
  background: #0f172a;
  box-shadow:
    0 30px 80px rgba(15, 23, 42, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.08) inset;
}
.hero-card::before { content: none !important; }
.hero-card__left,
.hero-card__right { display: none !important; }

.hero-card__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-card__media .visual-placeholder {
  background: linear-gradient(135deg, #1e3a8a 0%, #6d28d9 100%);
  color: rgba(255, 255, 255, 0.5);
}

.hero-card__overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: clamp(20px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  background: linear-gradient(to top,
    rgba(15, 23, 42, 0.92) 0%,
    rgba(15, 23, 42, 0.65) 50%,
    rgba(15, 23, 42, 0.0) 100%);
  color: #fff;
}

.hero-card__index {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.85);
}
.hero-card__index strong {
  font-size: 28px;
  background: linear-gradient(90deg, #60a5fa 0%, #c4b5fd 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero-card__index .sep { opacity: 0.5; }

.hero-card__title {
  margin: 0;
  font-size: clamp(20px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}
.hero-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  max-width: 720px;
}
.hero-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

@media (max-width: 700px) {
  .hero-card { aspect-ratio: 4 / 5; min-height: 460px; }
  .hero-card__overlay { padding: 20px; }
  .hero-card__desc { font-size: 13px; }
}


/* ---------- Showcase  PPT 风格图片轮播 ---------- */
.showcase {
  position: relative;
  padding: clamp(60px, 9vw, 120px) 0;
  background: #fafbfc;
}
.showcase__container { max-width: 1280px; }

.showcase__head {
  text-align: center;
  margin-bottom: clamp(28px, 5vw, 48px);
}
.showcase__eyebrow {
  font-family: 'Manrope', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  margin-bottom: 12px;
}
.showcase__title {
  font-size: clamp(24px, 3.6vw, 40px);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 12px 0;
  letter-spacing: -0.01em;
}
.showcase__title::before { content: none !important; }
.showcase__subtitle {
  max-width: 760px;
  margin: 0 auto;
  color: var(--color-text-secondary);
  font-size: 15px;
  line-height: 1.7;
}
.showcase__subtitle::before { content: none !important; }

/* Stage = arrows + slide */
.showcase-stage {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(8px, 1.5vw, 20px);
  margin: 0 auto;
}

.showcase-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #fff;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow:
    0 8px 24px rgba(15, 23, 42, 0.06),
    0 1px 0 rgba(255, 255, 255, 0.6) inset;
  flex: none;
}
.showcase-arrow:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.20);
}
.showcase-arrow svg { width: 22px; height: 22px; }

.showcase-slide {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 18px;
  overflow: hidden;
  background: #0f172a;
  box-shadow:
    0 24px 60px rgba(15, 23, 42, 0.14),
    0 0 0 1px rgba(15, 23, 42, 0.04);
}
.showcase-slide__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.showcase-slide__media .img-wrap,
.showcase-slide__media img {
  width: 100%;
  height: 100%;
}
.showcase-slide__media img {
  object-fit: cover;
  display: block;
}
.showcase-slide__media .visual-placeholder {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(124, 58, 237, 0.15) 100%);
  color: var(--color-text-tertiary);
}

/* Footer = thumbs + counter */
.showcase-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-top: clamp(20px, 3vw, 32px);
}

.showcase-thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  flex: 1;
}
.showcase-thumb {
  width: 64px;
  height: 40px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.2s ease;
  flex: none;
  opacity: 0.65;
}
.showcase-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.showcase-thumb:hover { opacity: 1; }
.showcase-thumb.is-active {
  border-color: var(--color-primary);
  opacity: 1;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.showcase-counter {
  font-family: 'Manrope', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-text);
  flex: none;
  white-space: nowrap;
}

@media (max-width: 700px) {
  .showcase-stage {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
  }
  .showcase-stage .showcase-slide { grid-row: 1; }
  .showcase-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    z-index: 2;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
  }
  .showcase-arrow--prev { left: 8px; grid-row: 1; }
  .showcase-arrow--next { right: 8px; grid-row: 1; grid-column: 1; justify-self: end; }
  .showcase-footer { flex-direction: column; align-items: stretch; }
  .showcase-counter { text-align: center; }
}


/* ---------- Tech Highlights → 图片卡片 ---------- */
.tech-list {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)) !important;
  gap: clamp(16px, 2.4vw, 24px) !important;
}
.tech-item {
  display: flex !important;
  flex-direction: column !important;
  background: #fff !important;
  border-radius: 14px !important;
  border: 1px solid rgba(15, 23, 42, 0.06) !important;
  overflow: hidden !important;
  padding: 0 !important;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}
.tech-item:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.10) !important;
  border-color: rgba(37, 99, 235, 0.2) !important;
}
.tech-item__icon { display: none !important; }
.tech-item__media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(124, 58, 237, 0.08));
}
.tech-item__media .img-wrap,
.tech-item__media img {
  width: 100%;
  height: 100%;
}
.tech-item__media img {
  object-fit: cover;
  transition: transform 0.5s ease;
}
.tech-item:hover .tech-item__media img { transform: scale(1.05); }

.tech-item__title {
  font-size: 16px !important;
  font-weight: 700 !important;
  color: var(--color-text) !important;
  margin: 0 !important;
  padding: 18px 20px 6px !important;
}
.tech-item__desc {
  font-size: 13px !important;
  line-height: 1.7 !important;
  color: var(--color-text-secondary) !important;
  margin: 0 !important;
  padding: 0 20px 20px !important;
}


/* ---------- Cases → 行业卡片 ---------- */
.case-card__industry {
  display: inline-flex;
  align-items: center;
  font-family: 'Manrope', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(37, 99, 235, 0.08);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
  align-self: flex-start;
}


/* ---------- Detail Cases Mini (in detail section) ---------- */
.detail-case__img .img-wrap,
.detail-case__img img,
.case-card__img .img-wrap,
.case-card__img img {
  width: 100%;
  height: 100%;
}
.detail-case__img img,
.case-card__img img {
  object-fit: cover;
  display: block;
}


/* ---------- Metric / Scene  (main.js 使用 .metric / .scene 类) ---------- */
.metric {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: var(--sp-3) var(--sp-2);
  text-align: center;
}
.metric__value {
  font-family: 'Manrope', sans-serif;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  letter-spacing: -0.02em;
}
.metric__label {
  font-size: 13px;
  color: var(--color-text-secondary);
}
.metrics-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--sp-3);
}

.scene {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 16px 12px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.06);
  transition: all 0.25s ease;
  text-align: center;
}
.scene:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.10);
  border-color: rgba(37, 99, 235, 0.2);
}
.scene__icon {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(124, 58, 237, 0.12));
  color: var(--color-primary);
}
.scene__icon svg { width: 22px; height: 22px; }
.scene__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
}
.scenes-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 12px;
}


/* ============================================================
   ★  技术能力 (Capabilities) — NEW SECTION
   ============================================================ */
.capabilities {
  position: relative;
  padding: clamp(80px, 12vw, 140px) 0;
  background:
    radial-gradient(ellipse 90% 60% at 50% 0%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  scroll-margin-top: 80px;
}
.capabilities__head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto clamp(40px, 6vw, 64px);
}
.capabilities__eyebrow {
  font-family: 'Manrope', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  margin: 0 0 14px 0;
}
.capabilities__title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 18px 0;
  letter-spacing: -0.02em;
}
.capabilities__lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin: 0;
}
.capabilities__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(16px, 2.4vw, 28px);
}

.cap-card {
  position: relative;
  padding: clamp(24px, 3vw, 32px);
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(15, 23, 42, 0.06);
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  overflow: hidden;
}
.cap-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.cap-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.10);
  border-color: transparent;
}
.cap-card:hover::before { transform: scaleX(1); }
.cap-card__icon {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.10), rgba(124, 58, 237, 0.10));
  color: var(--color-primary);
  margin-bottom: 18px;
}
.cap-card__icon svg { width: 28px; height: 28px; }
.cap-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 10px 0;
}
.cap-card__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin: 0;
}


/* ============================================================
   ★  联系我们 (Contact) — NEW SECTION
   ============================================================ */
.contact {
  position: relative;
  padding: clamp(80px, 12vw, 140px) 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(124, 58, 237, 0.10) 0%, transparent 60%),
    linear-gradient(180deg, #f8fafc 0%, #eef2ff 100%);
  scroll-margin-top: 80px;
}
.contact__head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto clamp(40px, 6vw, 56px);
}
.contact__eyebrow {
  font-family: 'Manrope', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  margin: 0 0 14px 0;
}
.contact__title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 18px 0;
  letter-spacing: -0.02em;
}
.contact__lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin: 0;
}
.contact__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(16px, 2vw, 24px);
  max-width: 980px;
  margin: 0 auto;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: clamp(28px, 3.4vw, 40px) clamp(20px, 2.6vw, 32px);
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(15, 23, 42, 0.06);
  text-decoration: none;
  color: inherit;
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
}
.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(37, 99, 235, 0.14);
  border-color: rgba(37, 99, 235, 0.2);
}
.contact-card.contact-card--info { cursor: default; }
.contact-card.contact-card--info:hover {
  transform: none;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
  border-color: rgba(15, 23, 42, 0.06);
}

.contact-card__icon {
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--gradient-primary);
  color: #fff;
  margin-bottom: 18px;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.30);
}
.contact-card__icon svg { width: 26px; height: 26px; }

.contact-card__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-tertiary);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.contact-card__value {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin-bottom: 6px;
  word-break: break-all;
}
.contact-card__hint {
  font-size: 12px;
  color: var(--color-text-tertiary);
}


/* ---------- Section reveal scroll-margin ---------- */
.showcase,
.detail,
.tech-highlights,
.cases,
.capabilities,
.contact { scroll-margin-top: 80px; }


/* ---------- Footer 精简 (无地址 / 无社交 / 无 ICP) ---------- */
.site-footer__address,
.site-footer__contact,
.site-footer__social { display: none !important; }

.site-footer__bottom {
  border: none !important;
  padding-top: 0 !important;
  margin-top: 0 !important;
}

.site-footer__inner {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: var(--sp-4) !important;
  padding: var(--sp-6) 0 !important;
}
@media (max-width: 700px) {
  .site-footer__inner {
    flex-direction: column !important;
    text-align: center;
    gap: var(--sp-3) !important;
  }
}


/* ---------- Hero Tagline 装饰线 (在图片背景上需要更亮) ---------- */
.hero__tagline {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}


/* ---------- Hero 装饰 SVG 层(若 V1 残留)隐藏 ---------- */
.hero__decoration,
.hero-deco-cube,
.hero-deco-ring { display: none !important; }


/* ---------- Hero Carousel position relative (for absolute arrows) ---------- */
.hero-carousel {
  position: relative;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-text);
  cursor: pointer;
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.20);
  transition: all 0.25s ease;
}
.hero-arrow:hover {
  background: #fff;
  transform: translateY(-50%) scale(1.06);
}
.hero-arrow svg { width: 22px; height: 22px; }
.hero-arrow--prev { left: clamp(8px, 2vw, 24px); }
.hero-arrow--next { right: clamp(8px, 2vw, 24px); }
@media (max-width: 700px) {
  .hero-arrow { width: 38px; height: 38px; }
  .hero-arrow svg { width: 18px; height: 18px; }
}

.hero-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: var(--sp-4);
}
.hero-dot {
  width: 28px;
  height: 4px;
  padding: 0;
  border: none;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: all 0.25s ease;
}
.hero-dot.is-active {
  background: #fff;
  width: 40px;
}


/* ---------- Detail 主区域图片占位 ---------- */
.detail__image {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 7;
  border-radius: 14px;
  overflow: hidden;
  margin-top: var(--sp-5);
  background: #f1f5f9;
}
.detail__image .img-wrap,
.detail__image img {
  width: 100%;
  height: 100%;
}
.detail__image img {
  object-fit: cover;
  display: block;
}


/* ---------- Body 背景 (没有 bg-decor 元素时的兜底) ---------- */
body {
  background: #ffffff;
}


/* ============================================================
   ░░░  V3 OVERRIDES  ░░░
   ------------------------------------------------------------
   - Hero 改为纯图片轮播：全宽 / 无文字 / 无遮罩 / 独立 swiper
   - Showcase 移除副标题；主图可点击放大查看 (lightbox)
   - 项目应用价值 / 应用场景：单行展示（不换行）
   - 移除技术亮点 / 应用案例 section
   - 技术能力 8 项 4 列；下方一张 banner 图
   - sitefooter 不要顶部 margin
   - 全局悬浮 project-tabs
   ============================================================ */


/* -------- Hero (V3) — 纯图片轮播，无文字 / 无遮罩 -------- */
.hero.hero--bare {
  position: relative;
  width: 100%;
  height: clamp(560px, 85vh, 960px);
  min-height: 420px;
  padding: 0 !important;
  margin: 0 !important;
  overflow: hidden;
  background: #0f172a;
  isolation: isolate;
}

/* 关闭旧版的所有装饰 */
.hero.hero--bare::before { content: none !important; }
.hero.hero--bare .hero__bg,
.hero.hero--bare .hero__overlay,
.hero.hero--bare .hero__inner,
.hero.hero--bare .hero__title-wrap,
.hero.hero--bare .hero-carousel,
.hero.hero--bare .hero__deco,
.hero.hero--bare .hero__deco--ai,
.hero.hero--bare .hero__deco--xr {
  display: none !important;
}

/* 主图区域 - 全宽 */
.hero-stage {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}
.hero-stage > .img-wrap,
.hero-stage img {
  width: 100% !important;
  height: 100% !important;
  display: block;
}
.hero-stage img {
  object-fit: cover;
}
.hero-stage .visual-placeholder {
  background: linear-gradient(135deg, #1e3a8a 0%, #4338ca 50%, #6d28d9 100%);
  color: rgba(255, 255, 255, 0.55);
}

/* Hero 箭头 - 移到 .hero 内做绝对定位 */
.hero.hero--bare .hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.92);
  color: #0f172a;
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  transition: all 0.25s ease;
}
.hero.hero--bare .hero-arrow:hover {
  background: #fff;
  transform: translateY(-50%) scale(1.06);
}
.hero.hero--bare .hero-arrow svg { width: 24px; height: 24px; }
.hero.hero--bare .hero-arrow--prev { left: clamp(16px, 3vw, 32px); }
.hero.hero--bare .hero-arrow--next { right: clamp(16px, 3vw, 32px); }

/* Hero dots */
.hero.hero--bare .hero-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 24px;
  z-index: 4;
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 0;
}
.hero.hero--bare .hero-dot {
  width: 28px;
  height: 4px;
  padding: 0;
  border: none;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: all 0.25s ease;
}
.hero.hero--bare .hero-dot.is-active {
  background: #fff;
  width: 40px;
}

@media (max-width: 700px) {
  .hero.hero--bare {
    height: clamp(280px, 50vh, 420px);
  }
  .hero.hero--bare .hero-arrow {
    width: 40px;
    height: 40px;
  }
  .hero.hero--bare .hero-arrow svg { width: 18px; height: 18px; }
  .hero.hero--bare .hero-dots { bottom: 14px; }
}


/* -------- Showcase: 移除副标题 / 主图可点击 -------- */
.showcase__subtitle { display: none !important; }

.showcase-slide {
  cursor: zoom-in;
  position: relative;
}
.showcase-slide__zoom-hint {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.6);
  color: #fff;
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
  z-index: 2;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.showcase-slide__zoom-hint svg { width: 18px; height: 18px; }
.showcase-slide:hover .showcase-slide__zoom-hint {
  opacity: 1;
  transform: scale(1);
}


/* -------- Lightbox -------- */
body.lightbox-open { overflow: hidden; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 12, 24, 0.92);
  opacity: 0;
  transition: opacity 0.22s ease;
  padding: clamp(20px, 4vw, 60px);
}
.lightbox.is-open { opacity: 1; }

.lightbox__wrap {
  position: relative;
  max-width: min(95vw, 1600px);
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox__img {
  max-width: 100%;
  max-height: 90vh;
  display: block;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}
.lightbox__counter {
  position: absolute;
  bottom: -32px;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'Manrope', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.82);
}

.lightbox__nav,
.lightbox__close {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 1;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.lightbox__nav:hover,
.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.22);
  transform: scale(1.05);
}
.lightbox__nav {
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
}
.lightbox__nav:hover { transform: translateY(-50%) scale(1.05); }
.lightbox__nav svg { width: 28px; height: 28px; }
.lightbox__nav--prev { left: clamp(12px, 3vw, 36px); }
.lightbox__nav--next { right: clamp(12px, 3vw, 36px); }

.lightbox__close {
  top: clamp(12px, 3vw, 28px);
  right: clamp(12px, 3vw, 28px);
  width: 48px;
  height: 48px;
}
.lightbox__close svg { width: 22px; height: 22px; }

@media (max-width: 700px) {
  .lightbox__nav { width: 40px; height: 40px; }
  .lightbox__nav svg { width: 20px; height: 20px; }
  .lightbox__close { width: 38px; height: 38px; }
  .lightbox__close svg { width: 18px; height: 18px; }
}


/* -------- 项目应用价值 / 应用场景: 单行展示 -------- */
.metrics-list.metrics-list--single-row {
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: nowrap !important;
  justify-content: space-between;
  align-items: stretch;
  gap: clamp(8px, 1.6vw, 24px) !important;
  width: 100%;
}
.metrics-list.metrics-list--single-row .metric {
  flex: 1 1 0;
  min-width: 0;
  padding: 12px 6px;
}
.metrics-list.metrics-list--single-row .metric__value {
  font-size: clamp(18px, 2.4vw, 30px);
  white-space: nowrap;
}
.metrics-list.metrics-list--single-row .metric__label {
  font-size: clamp(11px, 1.1vw, 13px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.scenes-list.scenes-list--single-row {
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: nowrap !important;
  justify-content: space-between;
  gap: clamp(6px, 1.2vw, 14px) !important;
  width: 100%;
}
.scenes-list.scenes-list--single-row .scene {
  flex: 1 1 0;
  min-width: 0;
  padding: 14px 6px;
}
.scenes-list.scenes-list--single-row .scene__icon {
  width: 32px;
  height: 32px;
}
.scenes-list.scenes-list--single-row .scene__icon svg {
  width: 18px;
  height: 18px;
}
.scenes-list.scenes-list--single-row .scene__label {
  font-size: clamp(11px, 1.1vw, 13px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 700px) {
  /* 手机端允许换行以避免过度挤压 */
  .metrics-list.metrics-list--single-row,
  .scenes-list.scenes-list--single-row {
    flex-wrap: wrap !important;
  }
  .metrics-list.metrics-list--single-row .metric { flex-basis: calc(50% - 8px); }
  .scenes-list.scenes-list--single-row .scene { flex-basis: calc(33.333% - 8px); }
}


/* -------- 技术能力: 8 项 4 列 + Banner -------- */
.capabilities__grid.capabilities__grid--4col {
  grid-template-columns: repeat(4, 1fr) !important;
}
@media (max-width: 1100px) {
  .capabilities__grid.capabilities__grid--4col {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}
@media (max-width: 600px) {
  .capabilities__grid.capabilities__grid--4col {
    grid-template-columns: 1fr !important;
  }
}

.capabilities__banner {
  position: relative;
  margin-top: clamp(40px, 6vw, 64px);
  width: 100%;
  aspect-ratio: 16 / 6;
  border-radius: 18px;
  overflow: hidden;
  background: #f1f5f9;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.10);
}
.capabilities__banner > .img-wrap,
.capabilities__banner img {
  width: 100% !important;
  height: 100% !important;
}
.capabilities__banner img {
  object-fit: cover;
  display: block;
}
.capabilities__banner .visual-placeholder {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12) 0%, rgba(124, 58, 237, 0.12) 100%);
  color: var(--color-text-tertiary);
}

@media (max-width: 700px) {
  .capabilities__banner {
    aspect-ratio: 4 / 3;
  }
}


/* -------- Footer: 不要顶部 margin -------- */
.site-footer {
  margin-top: 0 !important;
  padding-top: 0 !important;
}
.site-footer__inner {
  margin-top: 0 !important;
}


/* -------- 全局悬浮 Project Tabs (右侧竖直 mini rail) -------- */
.floating-tabs {
  position: fixed;
  right: clamp(10px, 1.4vw, 20px);
  top: 50%;
  transform: translateY(-50%) translateX(20px);
  z-index: 60;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.32s ease, transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}
.floating-tabs.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-50%) translateX(0);
}
.floating-tabs__list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 6px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow:
    0 16px 36px rgba(15, 23, 42, 0.12),
    0 1px 0 rgba(255, 255, 255, 0.5) inset;
}

.floating-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all 0.22s ease;
  position: relative;
  flex: none;
}
.floating-tab__icon {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.floating-tab__icon svg {
  width: 20px;
  height: 20px;
}
/* 编号小角标 */
.floating-tab__num {
  position: absolute;
  bottom: 3px;
  right: 4px;
  font-family: 'Manrope', sans-serif;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text-tertiary);
  background: rgba(255, 255, 255, 0.8);
  padding: 1px 3px;
  border-radius: 3px;
  line-height: 1;
}
/* 名称 → 悬浮气泡，不撑开按钮宽度 */
.floating-tab__name {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  white-space: nowrap;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: rgba(15, 23, 42, 0.92);
  padding: 6px 10px;
  border-radius: 6px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.18s ease, transform 0.18s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.20);
}
.floating-tab__name::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border: 4px solid transparent;
  border-left-color: rgba(15, 23, 42, 0.92);
}
.floating-tab:hover .floating-tab__name,
.floating-tab:focus-visible .floating-tab__name {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.floating-tab:hover {
  background: rgba(37, 99, 235, 0.08);
  color: var(--color-primary);
}
.floating-tab.is-active {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.30);
}
.floating-tab.is-active .floating-tab__num {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

@media (max-width: 768px) {
  /* 移动端改为底部水平 dock */
  .floating-tabs {
    right: 0;
    left: 0;
    top: auto;
    bottom: 12px;
    transform: translateY(20px);
    display: flex;
    justify-content: center;
  }
  .floating-tabs.is-visible {
    transform: translateY(0);
  }
  .floating-tabs__list {
    flex-direction: row;
  }
  .floating-tab__name {
    right: auto;
    left: 50%;
    top: auto;
    bottom: calc(100% + 10px);
    transform: translateX(-50%) translateY(8px);
  }
  .floating-tab__name::after {
    left: 50%;
    top: 100%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: rgba(15, 23, 42, 0.92);
  }
  .floating-tab:hover .floating-tab__name {
    transform: translateX(-50%) translateY(0);
  }
}


/* -------- 关闭原本 V2 Hero 卡内的旧样式残留 -------- */
.hero-card,
.hero-card__media,
.hero-card__overlay,
.hero-card__index,
.hero-card__title,
.hero-card__desc,
.hero-card__tags { display: none !important; }



/* ============================================================
   ░░░  V4: 应用案例 (项目详细介绍内) — icon-based redesign
   ------------------------------------------------------------
   - 替代旧的图片版 .detail-case__img
   - 横向卡片：左侧大图标徽章 + 右侧序号+标题+描述
   - 图标使用渐变色背景，与「技术能力」卡片视觉上有区分
   ============================================================ */

.detail-cases-mini.detail-cases-mini--icon {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(14px, 1.6vw, 20px);
  margin-top: var(--sp-5);
}

.detail-case.detail-case--icon {
  display: grid !important;
  grid-template-columns: auto 1fr;
  align-items: stretch;
  gap: clamp(14px, 1.6vw, 20px);
  padding: clamp(18px, 2.2vw, 26px);
  background: #fff !important;
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: 14px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

/* 左侧装饰条（与 cap-card 类似，但配色取项目主色 + 渐变） */
.detail-case.detail-case--icon::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--gradient-primary);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s ease;
}

.detail-case.detail-case--icon:hover {
  transform: translateY(-3px);
  border-color: rgba(37, 99, 235, 0.18);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
}
.detail-case.detail-case--icon:hover::before {
  transform: scaleY(1);
}

/* 隐藏旧的 img 容器（保险起见） */
.detail-case.detail-case--icon .detail-case__img { display: none !important; }

/* 图标徽章 */
.detail-case__icon {
  width: 56px;
  height: 56px;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.10), rgba(124, 58, 237, 0.10));
  color: var(--color-primary);
  position: relative;
  transition: transform 0.3s ease, background 0.3s ease;
}
.detail-case__icon svg {
  width: 28px;
  height: 28px;
}
.detail-case.detail-case--icon:hover .detail-case__icon {
  background: var(--gradient-primary);
  color: #fff;
  transform: scale(1.04);
}

/* 右侧文字内容 */
.detail-case.detail-case--icon .detail-case__body {
  padding: 0 !important;          /* 覆盖旧 padding */
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.detail-case__num {
  font-family: 'Manrope', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--color-text-tertiary);
  background: rgba(37, 99, 235, 0.06);
  padding: 2px 8px;
  border-radius: 4px;
  align-self: flex-start;
  margin-bottom: 2px;
  transition: all 0.3s ease;
}
.detail-case.detail-case--icon:hover .detail-case__num {
  background: rgba(37, 99, 235, 0.12);
  color: var(--color-primary);
}

.detail-case.detail-case--icon .detail-case__title {
  font-size: 15px !important;
  font-weight: 700 !important;
  color: var(--color-text) !important;
  margin: 0 !important;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.detail-case.detail-case--icon .detail-case__desc {
  font-size: 13px !important;
  line-height: 1.7 !important;
  color: var(--color-text-secondary) !important;
  margin: 0 !important;
}

/* 响应式：窄屏单列 */
@media (max-width: 900px) {
  .detail-cases-mini.detail-cases-mini--icon {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .detail-case.detail-case--icon {
    grid-template-columns: auto 1fr;
    padding: 16px;
  }
  .detail-case__icon { width: 48px; height: 48px; }
  .detail-case__icon svg { width: 24px; height: 24px; }
}

/* ============================================================
   ░░░  V5: 登录鉴权 — 退出按钮
   ============================================================ */
.site-nav .site-nav__link--logout {
  background: transparent;
  border: 1px solid rgba(15, 23, 42, 0.10);
  color: var(--color-text-tertiary);
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  padding-top: 7px;
  padding-bottom: 7px;
}
.site-nav .site-nav__link--logout:hover {
  color: #dc2626;
  border-color: rgba(220, 38, 38, 0.30);
  background: rgba(220, 38, 38, 0.04);
}
.site-nav .site-nav__link--logout .site-nav__icon {
  color: inherit;
}