/* ==========================================================================
   pages/home.css — 首页
   ========================================================================== */

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: min(100vh, 920px);
  min-height: min(100svh, 920px);
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 72px) 0 140px;
  background: var(--c-dark);
  color: var(--c-text-inverse);
  overflow: hidden;
}

/* 光晕 */
.hero__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 50% 60% at 78% 45%, rgba(37, 99, 235, 0.42), transparent 65%),
    radial-gradient(ellipse 30% 40% at 90% 20%, rgba(34, 211, 238, 0.18), transparent 60%),
    radial-gradient(ellipse 40% 50% at 10% 90%, rgba(29, 78, 216, 0.25), transparent 60%);
}

/* 透视网格（缓动漂移） */
.hero__grid {
  position: absolute;
  left: -10%;
  right: -10%;
  bottom: 0;
  height: 70%;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.14) 1px, transparent 1px);
  background-size: 64px 64px;
  transform-origin: 50% 100%;
  transform: perspective(900px) rotateX(62deg);
  mask-image: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.9) 45%, rgba(0, 0, 0, 0.5) 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.9) 45%, rgba(0, 0, 0, 0.5) 100%);
  animation: hero-grid-drift 18s linear infinite;
}

@keyframes hero-grid-drift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 0 64px, 0 64px; }
}

/* 节点网络 SVG */
.hero__network {
  position: absolute;
  top: 50%;
  right: -6%;
  width: 62%;
  max-width: 900px;
  transform: translateY(-50%);
  opacity: 0.9;
  pointer-events: none;
  animation: hero-network-in 1.6s var(--ease-out) both;
}

@keyframes hero-network-in {
  from { opacity: 0; transform: translateY(-46%) scale(0.96); }
  to { opacity: 0.9; transform: translateY(-50%) scale(1); }
}

/* 底部渐隐到下一区块 */
.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 160px;
  background: linear-gradient(180deg, transparent, var(--c-dark));
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero__content {
  max-width: 720px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 10px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--c-accent);
  border: 1px solid rgba(34, 211, 238, 0.35);
  border-radius: var(--radius-pill);
  background: rgba(34, 211, 238, 0.06);
  animation: hero-fade-up 0.8s var(--ease-out) both;
}

.hero__eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 4px rgba(34, 211, 238, 0.2);
  animation: hero-pulse 2.4s ease-in-out infinite;
}

@keyframes hero-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.25); }
  50% { box-shadow: 0 0 0 7px rgba(34, 211, 238, 0.05); }
}

.hero__title {
  margin-top: 28px;
  font-size: var(--fs-h1);
  line-height: 1.2;
  color: #fff;
  animation: hero-fade-up 0.9s 0.1s var(--ease-out) both;
}

.hero__title em {
  font-style: normal;
  background: linear-gradient(90deg, #fff 0%, var(--c-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-top: 24px;
  font-size: 17px;
  font-weight: 500;
  color: #fff;
  animation: hero-fade-up 0.9s 0.2s var(--ease-out) both;
}

.hero__tags li {
  display: inline-flex;
  align-items: center;
  gap: 16px;
}

.hero__tags li + li::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--c-accent);
}

.hero__desc {
  margin-top: 20px;
  max-width: 600px;
  font-size: 16px;
  color: var(--c-text-inverse-2);
  animation: hero-fade-up 0.9s 0.3s var(--ease-out) both;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 40px;
  animation: hero-fade-up 0.9s 0.4s var(--ease-out) both;
}

@keyframes hero-fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: none; }
}

/* 滚动提示 */
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 28px;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-num);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--c-text-inverse-2);
  transform: translateX(-50%);
  animation: hero-fade-up 1s 0.9s var(--ease-out) both;
}

.hero__scroll::after {
  content: "";
  width: 1px;
  height: 36px;
  background: linear-gradient(180deg, var(--c-accent), transparent);
  animation: hero-scroll-line 2s ease-in-out infinite;
}

@keyframes hero-scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* --------------------------------------------------------------------------
   核心数据条（叠在 Hero 底部）
   -------------------------------------------------------------------------- */
.home-stats {
  position: relative;
  z-index: 2;
  margin-top: -88px;
  padding-bottom: 0;
}

.home-stats .stats {
  gap: 0;
  padding: 8px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

.home-stats .stat {
  border-left: 0;
  padding: 28px 28px;
}

.home-stats .stat + .stat {
  border-left: 1px solid var(--c-border);
}

@media (max-width: 992px) {
  .home-stats .stat:nth-child(3) { border-left: 0; }
  .home-stats .stat:nth-child(n + 3) { border-top: 1px solid var(--c-border); }
}

@media (max-width: 480px) {
  .home-stats .stat { padding: 20px 16px; }
}

/* --------------------------------------------------------------------------
   我们是谁
   -------------------------------------------------------------------------- */
.home-about {
  padding-top: 112px;
}

.home-about__text {
  font-size: 17px;
  color: var(--c-text-2);
}

.home-about__text strong {
  color: var(--c-text);
}

.home-about__aside {
  position: relative;
}

.home-about__aside .quote {
  font-size: 18px;
  padding: 36px 36px 36px 48px;
}

.home-about__aside::before {
  content: "";
  position: absolute;
  top: -24px;
  right: -24px;
  width: 120px;
  height: 120px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background-image:
    linear-gradient(var(--c-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-border) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.6;
  z-index: -1;
}

/* --------------------------------------------------------------------------
   核心业务
   -------------------------------------------------------------------------- */
.home-business .card {
  padding-top: 36px;
}

/* --------------------------------------------------------------------------
   业务闭环
   -------------------------------------------------------------------------- */
.home-loop {
  overflow: hidden;
}

.home-loop__bg {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1400px;
  max-width: none;
  transform: translate(-50%, -50%);
  opacity: 0.28;
  pointer-events: none;
}

.home-loop .container {
  position: relative;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   LSC Stack
   -------------------------------------------------------------------------- */
.home-stack .arch {
  margin-bottom: 40px;
}

.home-stack .card__title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.home-stack .card__title strong {
  font-family: var(--font-num);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.home-stack .card__title span {
  font-size: 14px;
  font-weight: 500;
  color: var(--c-text-2);
}

/* --------------------------------------------------------------------------
   解决方案
   -------------------------------------------------------------------------- */
.home-solutions__panel {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 48px;
  padding: 40px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}

.home-solutions__title {
  font-size: 24px;
  font-weight: 700;
}

.home-solutions__text {
  margin-top: 14px;
  color: var(--c-text-2);
}

.home-solutions__panel .btn {
  margin-top: 28px;
}

.home-solutions__points {
  padding: 28px;
  background: var(--c-bg);
  border-radius: var(--radius);
}

.home-solutions__points-title {
  margin-bottom: 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--c-text-2);
}

@media (max-width: 992px) {
  .home-solutions__panel {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 28px;
  }
}

@media (max-width: 480px) {
  .home-solutions__panel { padding: 20px; }
  .home-solutions__points { padding: 20px; }
}

/* --------------------------------------------------------------------------
   核心优势
   -------------------------------------------------------------------------- */
.home-strengths .card {
  flex-direction: row;
  gap: 24px;
  align-items: flex-start;
  padding: 36px 32px;
}

.home-strengths .card__icon {
  margin-bottom: 0;
  width: 56px;
  height: 56px;
}

.home-strengths .card__text {
  margin-top: 10px;
}

@media (max-width: 480px) {
  .home-strengths .card {
    flex-direction: column;
    gap: 16px;
    padding: 28px 24px;
  }
}

/* --------------------------------------------------------------------------
   客户与伙伴
   -------------------------------------------------------------------------- */
.home-clients__group + .home-clients__group {
  margin-top: 40px;
}

.home-clients__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--c-border);
}

.home-clients__foot p {
  font-size: 17px;
  color: var(--c-text);
}

.home-clients__foot strong {
  color: var(--c-primary);
}

/* --------------------------------------------------------------------------
   愿景横幅
   -------------------------------------------------------------------------- */
.home-vision {
  padding: 140px 0;
  text-align: center;
  overflow: hidden;
}

.home-vision__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 50% 70% at 50% 100%, rgba(37, 99, 235, 0.4), transparent 65%),
    radial-gradient(ellipse 30% 40% at 20% 20%, rgba(34, 211, 238, 0.1), transparent 60%),
    radial-gradient(ellipse 30% 40% at 80% 20%, rgba(34, 211, 238, 0.1), transparent 60%);
}

.home-vision__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(230, 238, 248, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(230, 238, 248, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 60% 70% at 50% 50%, #000, transparent);
  -webkit-mask-image: radial-gradient(ellipse 60% 70% at 50% 50%, #000, transparent);
}

.home-vision .container {
  position: relative;
  z-index: 1;
}

.home-vision .section__eyebrow {
  justify-content: center;
  margin-bottom: 24px;
}

.home-vision__title {
  font-size: clamp(40px, 7vw, 84px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.08em;
  color: #fff;
}

.home-vision__title span {
  display: inline-block;
}

.home-vision__title span + span {
  margin-left: 0.1em;
  background: linear-gradient(90deg, #fff 10%, var(--c-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.home-vision__text {
  margin: 28px auto 0;
  max-width: 560px;
  font-size: 18px;
  color: var(--c-text-inverse-2);
}

.home-vision__line {
  width: 1px;
  height: 64px;
  margin: 40px auto 0;
  background: linear-gradient(180deg, var(--c-accent), transparent);
}

/* --------------------------------------------------------------------------
   响应式
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
  .hero__network { width: 68%; right: -14%; opacity: 0.7; }
}

@media (max-width: 992px) {
  .hero {
    min-height: auto;
    padding: calc(var(--header-h) + 64px) 0 128px;
  }

  .hero__network {
    top: auto;
    bottom: -10%;
    right: -25%;
    width: 90%;
    opacity: 0.35;
    transform: none;
    animation: none;
  }

  .hero__scroll { display: none; }

  .home-about { padding-top: 88px; }
  .home-about__aside::before { display: none; }
  .home-vision { padding: 96px 0; }
}

@media (max-width: 768px) {
  .hero { padding: calc(var(--header-h) + 48px) 0 112px; }
  .hero__tags { font-size: 15px; gap: 6px 12px; }
  .hero__tags li { gap: 12px; }
  .hero__desc { font-size: 15px; }
  .hero__actions .btn { flex: 1 1 auto; }
  .home-stats { margin-top: -72px; }
  .home-about { padding-top: 64px; }
  .home-about__aside .quote { font-size: 16px; padding: 28px 24px 28px 40px; }
  .home-clients__foot { flex-direction: column; align-items: flex-start; }
  .home-vision { padding: 72px 0; }
  .home-vision__title { letter-spacing: 0.04em; }
  .home-vision__text { font-size: 16px; }
}

@media (max-width: 480px) {
  .hero__eyebrow { font-size: 11px; letter-spacing: 0.08em; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .home-vision__title span { display: block; }
  .home-vision__title span + span { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .hero__grid,
  .hero__network,
  .hero__eyebrow,
  .hero__eyebrow::before,
  .hero__title,
  .hero__tags,
  .hero__desc,
  .hero__actions,
  .hero__scroll,
  .hero__scroll::after {
    animation: none;
  }
}