/* ============================================================
 * 首页专属样式
 * ========================================================== */

/* ---------- Hero 横幅 ---------- */
.hero {
  position: relative;
  padding: var(--sp-9) 0 var(--sp-9);
  overflow: hidden;
  background:
    linear-gradient(180deg, transparent 0%, rgba(15, 44, 92, 0.04) 100%),
    var(--c-bg);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 44, 92, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 44, 92, .05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--sp-8);
  align-items: center;
}

.hero-title {
  font-size: clamp(40px, 6vw, 76px);
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-weight: 800;
  color: var(--c-primary);
}

.hero-title em {
  font-family: var(--f-display);
  font-style: italic;
  color: var(--c-accent);
  font-weight: 500;
}

.hero-sub {
  margin-top: var(--sp-5);
  font-size: 17px;
  color: var(--c-text-2);
  max-width: 520px;
  line-height: 1.8;
}

.hero-actions {
  margin-top: var(--sp-6);
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.hero-stats {
  margin-top: var(--sp-7);
  display: flex;
  gap: var(--sp-7);
  border-top: 1px solid var(--c-border);
  padding-top: var(--sp-5);
}

.hero-stats div {
  display: flex;
  flex-direction: column;
}

.hero-stats strong {
  font-family: var(--f-display);
  font-size: 36px;
  color: var(--c-primary);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.hero-stats span {
  font-size: 12px;
  color: var(--c-text-3);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* Hero 装饰卡（右侧） */
.hero-visual {
  position: relative;
  height: 480px;
}

.hero-card {
  position: absolute;
  border-radius: var(--r-lg);
  background: var(--c-bg-card);
  box-shadow: var(--sh-lg);
  overflow: hidden;
}

.hero-card-1 {
  top: 0;
  right: 0;
  width: 280px;
  height: 360px;
  transform: rotate(2deg);
  border: 1px solid var(--c-border);
}

.hero-card-2 {
  bottom: 0;
  left: 0;
  width: 220px;
  height: 220px;
  background: var(--c-primary);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--sp-5);
  transform: rotate(-3deg);
}

.hero-card-2 .badge {
  align-self: flex-start;
  padding: 4px 10px;
  background: var(--c-accent);
  color: var(--c-primary);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: var(--r-pill);
}

.hero-card-2 h3 {
  color: #fff;
  font-size: 26px;
  line-height: 1.3;
}

.hero-card-2 h3 em {
  font-family: var(--f-display);
  font-style: italic;
  color: var(--c-accent);
}

.hero-card-3 {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -30%) rotate(8deg);
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: var(--c-accent);
  display: grid;
  place-items: center;
  font-family: var(--f-display);
  color: var(--c-primary);
  font-size: 22px;
  font-style: italic;
  text-align: center;
  box-shadow: 0 12px 30px rgba(242, 165, 22, .35);
}

.hero-card-1 .cover,
.hero-card-1 .cover svg {
  width: 100%;
  height: 100%;
}

/* ---------- 服务板块 ---------- */
.services {
  padding: var(--sp-9) 0;
  position: relative;
}

.section-head {
  text-align: center;
  margin-bottom: var(--sp-7);
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 44px);
  color: var(--c-primary);
}

.section-head p {
  margin: var(--sp-3) auto 0;
  color: var(--c-text-2);
  max-width: 580px;
  font-size: 15px;
}

.service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
}

.service-card {
  position: relative;
  padding: var(--sp-7);
  border-radius: var(--r-lg);
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-lg);
}

.service-card.is-primary {
  background: var(--c-primary);
  color: #fff;
  border-color: transparent;
}

.service-card.is-primary h3 { color: #fff; }

.service-card h3 {
  font-size: 26px;
  margin-top: var(--sp-4);
}

.service-card p {
  margin-top: var(--sp-3);
  font-size: 14px;
  color: var(--c-text-2);
}

.service-card.is-primary p { color: rgba(255, 255, 255, 0.8); }

.service-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: rgba(242, 165, 22, .12);
  color: var(--c-accent-deep);
  display: grid;
  place-items: center;
  font-family: var(--f-display);
  font-size: 28px;
  font-style: italic;
}

.service-card.is-primary .service-icon {
  background: var(--c-accent);
  color: var(--c-primary);
}

.service-link {
  margin-top: var(--sp-5);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--c-accent);
  text-transform: uppercase;
  font-family: var(--f-display);
}

.service-link::after {
  content: '→';
  transition: transform .2s ease;
}

.service-link:hover::after { transform: translateX(4px); }

/* ---------- 精选 6 条 ---------- */
.featured {
  padding: var(--sp-9) 0;
}

.featured-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  grid-template-rows: 320px 320px;
  gap: var(--sp-5);
}

.feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0; /* 关键：允许 flex 子项在网格行内正确收缩 */
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  transition: transform .3s ease, box-shadow .3s ease;
  color: inherit;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-lg);
}

.feature-card.is-large {
  grid-row: span 2;
}

/* 封面：占据卡片剩余空间，与底部文字区形成稳定比例 */
.feature-cover {
  position: relative;
  flex: 1 1 0;
  min-height: 0; /* 关键：让 flex 子项不撑破网格行 */
  overflow: hidden;
  background: var(--c-bg);
}

.feature-card.is-large .feature-cover {
  flex: 1 1 0;
}

.feature-cover svg {
  width: 100%;
  height: 100%;
  display: block;
}

.feature-cat {
  position: absolute;
  top: var(--sp-4);
  left: var(--sp-4);
  z-index: 2;
  padding: 4px 12px;
  background: rgba(247, 244, 237, .9);
  backdrop-filter: blur(6px);
  border-radius: var(--r-pill);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-primary);
}

/* 文字区：固定在卡片底部，高度由内容决定 */
.feature-body {
  flex: 0 0 auto;
  padding: var(--sp-4) var(--sp-5);
  background: var(--c-bg-card);
  border-top: 1px solid var(--c-border);
}

.feature-card.is-large .feature-body {
  padding: var(--sp-5) var(--sp-6);
}

.feature-body h3 {
  font-size: 18px;
  line-height: 1.4;
}

.feature-card.is-large .feature-body h3 { font-size: 24px; }

.feature-body .meta {
  margin-top: var(--sp-3);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: 12px;
  color: var(--c-text-3);
}

.feature-body .meta::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
}

.feature-body .meta strong { color: var(--c-text-2); font-weight: 500; }

/* ---------- 理念/品牌叙事板块 ---------- */
.manifesto {
  padding: var(--sp-9) 0;
  background: var(--c-primary);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.manifesto::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(242, 165, 22, .2), transparent 50%),
    radial-gradient(circle at 0% 100%, rgba(242, 165, 22, .12), transparent 50%);
}

.manifesto-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-8);
  align-items: center;
}

.manifesto-quote {
  font-family: var(--f-serif);
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.4;
  color: #fff;
}

.manifesto-quote em {
  font-family: var(--f-display);
  font-style: italic;
  color: var(--c-accent);
}

.manifesto-quote .quote-mark {
  display: block;
  font-family: var(--f-display);
  font-size: 80px;
  line-height: 0.5;
  color: var(--c-accent);
  margin-bottom: var(--sp-3);
}

.manifesto-side h3 {
  color: #fff;
  font-size: 22px;
  margin-bottom: var(--sp-3);
}

.manifesto-side p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  line-height: 1.8;
}

.manifesto-side .signature {
  margin-top: var(--sp-5);
  font-family: var(--f-display);
  font-style: italic;
  color: var(--c-accent);
  letter-spacing: 0.06em;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { height: 360px; }
  .featured-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 280px 280px 280px;
  }
  .feature-card.is-large {
    grid-row: span 2;
    grid-column: span 2;
  }
  .feature-card.is-large .feature-body {
    padding: var(--sp-5) var(--sp-6);
  }
  .service-grid { grid-template-columns: 1fr; }
  .manifesto-inner { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .hero-stats { gap: var(--sp-4); flex-wrap: wrap; }
  .hero-stats strong { font-size: 28px; }
  .featured-grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(6, 260px);
  }
  .feature-card.is-large {
    grid-row: span 1;
    grid-column: span 1;
  }
  .hero-visual { height: 320px; }
  .hero-card-1 { width: 200px; height: 260px; }
  .hero-card-2 { width: 170px; height: 170px; }
  .hero-card-3 { width: 100px; height: 100px; font-size: 16px; }
}