/* ============================================================
   pages.css —— 页面级模块
   Hero / 业务宫格 / 推荐位 / 产品墙 / 工具 / 海外 / 步骤
   新闻 / 案例 / 内页Hero / 关于 / 联系 / 404
   ============================================================ */

/* ============================================================
   1. 首页 Hero
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--grad-dark);
  color: #fff;
  padding: clamp(64px, 8vw, 112px) 0 clamp(72px, 9vw, 120px);
}
.hero__bg {
  position: absolute; inset: 0;
  pointer-events: none;
}
/* 网格纹理 */
.hero__bg::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
}
/* 蓝绿光晕 */
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: .55;
  animation: breathe 9s ease-in-out infinite;
}
.hero__glow--1 {
  width: 520px; height: 520px;
  left: -140px; top: -160px;
  background: radial-gradient(circle, rgba(26, 111, 212, .85), transparent 62%);
}
.hero__glow--2 {
  width: 480px; height: 480px;
  right: -120px; bottom: -180px;
  background: radial-gradient(circle, rgba(46, 184, 122, .70), transparent 62%);
  animation-delay: -4.5s;
}
.hero__glow--3 {
  width: 320px; height: 320px;
  left: 42%; top: -120px;
  background: radial-gradient(circle, rgba(124, 92, 252, .55), transparent 62%);
  animation-delay: -2s;
}
@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: .5; }
  50% { transform: scale(1.12); opacity: .72; }
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 8px;
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, .09);
  border: 1px solid rgba(255, 255, 255, .16);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: rgba(255, 255, 255, .9);
  margin-bottom: var(--sp-5);
}
.hero__eyebrow .sun {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--grad-gold);
  display: inline-flex; align-items: center; justify-content: center;
  color: #6B4A00;
}
.hero__title {
  font-size: var(--fs-display);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: #fff;
  margin-bottom: var(--sp-5);
}
.hero__title .line2 {
  display: block;
  background: linear-gradient(100deg, #8FD3FF 0%, #7FE7B0 55%, #FFD766 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero__sub {
  font-size: var(--fs-lead);
  line-height: 1.85;
  color: rgba(255, 255, 255, .85);
  max-width: 560px;
  margin-bottom: var(--sp-5);
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--r-lg);
  padding: 18px 22px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.hero__sub strong { color: #fff; font-weight: 600; }
.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-6);
}
.hero__tag {
  padding: 6px 14px;
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: rgba(255, 255, 255, .88);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); }
.hero__phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-family: var(--font-num);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .02em;
}
.hero__phone .ico {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .2);
  display: inline-flex; align-items: center; justify-content: center;
}

/* Hero 视觉（光伏电站 + 算力中心实景合成图） */
.hero__visual {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 520px;
  margin-left: auto;
}
.hero__visual-ring {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, .18);
  animation: spin 44s linear infinite;
}
.hero__visual-glow {
  position: absolute;
  inset: 2%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 62% 38%, rgba(46, 184, 122, .30), transparent 60%),
    radial-gradient(circle at 32% 72%, rgba(26, 111, 212, .34), transparent 62%);
  filter: blur(30px);
  pointer-events: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 主视觉图片卡 */
.hero__shot {
  position: absolute;
  inset: 11%;
  margin: 0;
  border-radius: 26px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .16);
  box-shadow:
    0 34px 80px -24px rgba(0, 0, 0, .72),
    inset 0 0 0 1px rgba(255, 255, 255, .06);
  isolation: isolate;
}
.hero__shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.01);
  transition: transform 1.2s var(--ease-out, cubic-bezier(.22, 1, .36, 1));
}
.hero__shot:hover img { transform: scale(1.06); }
.hero__shot-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 26, 47, 0) 42%, rgba(10, 26, 47, .62) 100%);
  pointer-events: none;
}
.hero__shot-cap {
  position: absolute;
  left: 16px;
  bottom: 14px;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: #fff;
  letter-spacing: .04em;
  text-shadow: 0 1px 8px rgba(0, 0, 0, .6);
}

/* 浮动玻璃标签 */
.hero__chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  background: rgba(11, 27, 48, .66);
  border: 1px solid rgba(255, 255, 255, .20);
  border-radius: 999px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 14px 34px -10px rgba(0, 0, 0, .6);
  animation: chipFloat 6s ease-in-out infinite;
}
.hero__chip svg { flex: none; width: 17px; height: 17px; }
.hero__chip--pv { top: 7%; left: -1%; color: #B9F2D2; }
.hero__chip--pv svg { color: var(--c-green); }
.hero__chip--ai { bottom: 9%; right: -1%; color: #BBD8FF; animation-delay: -3s; }
.hero__chip--ai svg { color: var(--c-blue-400); }
@keyframes chipFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}
@media (prefers-reduced-motion: reduce) {
  .hero__chip { animation: none; }
  .hero__shot img { transition: none; }
}

/* Hero 底部指标条 */
.hero__metrics {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
  margin-top: clamp(40px, 5vw, 64px);
  padding-top: var(--sp-6);
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.hero__metric { text-align: center; }
.hero__metric .val {
  font-family: var(--font-num);
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
}
.hero__metric .val em {
  font-style: normal;
  font-size: .62em;
  color: var(--c-blue-400);
  margin-left: 2px;
}
.hero__metric .lab { font-size: var(--fs-sm); color: var(--t-on-dark-3); margin-top: 4px; }

/* ============================================================
   2. 信任条
   ============================================================ */
.trust {
  background: var(--c-bg-soft);
  border-bottom: 1px solid var(--c-line);
  padding: var(--sp-5) 0;
}
.trust__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--sp-5) var(--sp-7);
}
.trust__item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: var(--fs-sm);
  color: var(--t-2);
}
.trust__item svg { flex: none; width: 18px; height: 18px; color: var(--c-blue); }
.trust__item strong { color: var(--t-1); font-weight: 600; }

/* ============================================================
   3. 业务宫格
   ============================================================ */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
.biz-grid--3 { grid-template-columns: repeat(3, 1fr); }
.biz-grid--2 { grid-template-columns: repeat(2, 1fr); }
.biz-group + .biz-group { margin-top: var(--sp-6); }
.biz-group__head {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}
.biz-group__num {
  flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  border-radius: 9px;
  background: var(--grad-main);
  color: #fff;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 800;
}
.biz-group__name { font-size: 17px; font-weight: 800; margin: 0; }
.biz-group__hint { font-size: var(--fs-xs); color: var(--t-3); margin-left: auto; }
.biz-group__line { flex: 1; height: 1px; background: var(--c-line); min-width: 20px; }

/* ============================================================
   4. 重点方向推荐位（大卡）
   ============================================================ */
.feature-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
}
.feature-big {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: clamp(24px, 2.6vw, 36px);
  border-radius: var(--r-xl);
  background: #fff;
  border: 1px solid var(--c-line);
  transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
}
.feature-big:hover { transform: translateY(-4px); box-shadow: var(--sh-3); }
.feature-big--dark { background: var(--grad-dark); border-color: transparent; color: var(--t-on-dark); }
.feature-big--dark .feature-big__title { color: #fff; }
.feature-big--dark .feature-big__desc { color: var(--t-on-dark-2); }
.feature-big--dark .feature-big__list li { color: var(--t-on-dark-2); }
.feature-big--tech { background: linear-gradient(150deg, #101C3A 0%, #1B2E63 55%, #243B8A 100%); border-color: transparent; color: var(--t-on-dark); }
.feature-big--tech .feature-big__title { color: #fff; }
.feature-big--tech .feature-big__desc { color: var(--t-on-dark-2); }
.feature-big--tech .feature-big__list li { color: var(--t-on-dark-2); }
.feature-big__glow {
  position: absolute;
  width: 260px; height: 260px;
  right: -70px; top: -70px;
  border-radius: 50%;
  filter: blur(48px);
  opacity: .5;
  pointer-events: none;
}
.feature-big--dark .feature-big__glow { background: radial-gradient(circle, rgba(46, 184, 122, .8), transparent 65%); }
.feature-big--tech .feature-big__glow { background: radial-gradient(circle, rgba(124, 92, 252, .9), transparent 65%); }
.feature-big__top {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
  position: relative;
}
.feature-big__icon {
  flex: none;
  width: 50px; height: 50px;
  border-radius: var(--r-md);
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--grad-main);
  color: #fff;
}
.feature-big__icon svg { width: 26px; height: 26px; }
.feature-big__title { font-size: var(--fs-h3); font-weight: 800; margin: 0; }
.feature-big__desc { font-size: var(--fs-sm); color: var(--t-2); margin-bottom: var(--sp-4); }
.feature-big__list { display: flex; flex-direction: column; gap: 10px; margin-bottom: var(--sp-5); }
.feature-big__list li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-sm);
  color: var(--t-2);
  line-height: 1.7;
}
.feature-big__list li::before {
  content: "";
  position: absolute;
  left: 0; top: .58em;
  width: 12px; height: 12px;
  border-radius: 4px;
  background: var(--grad-main);
  opacity: .9;
}
.feature-big__more { margin-top: auto; position: relative; }

/* ============================================================
   5. 产品墙（供应链 / 新产品线）
   ============================================================ */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
.prod-card {
  padding: var(--sp-5);
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
}
.prod-card:hover { transform: translateY(-4px); box-shadow: var(--sh-3); }
.prod-card__icon {
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: var(--sp-4);
}
.prod-card__icon svg { width: 22px; height: 22px; }
.prod-card__title { font-size: 15px; font-weight: 700; margin-bottom: var(--sp-2); }
.prod-card__list { display: flex; flex-wrap: wrap; gap: 6px; }
.prod-card__list li {
  padding: 3px 9px;
  border-radius: var(--r-sm);
  background: var(--c-bg-soft);
  font-size: var(--fs-xs);
  color: var(--t-2);
}

/* ============================================================
   6. 数字化工具
   ============================================================ */
.tools-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
}
.tool-card {
  display: flex;
  gap: var(--sp-5);
  padding: var(--sp-6) var(--sp-5);
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
}
.tool-card__body { flex: 1; min-width: 0; }
.tool-card__title { font-size: var(--fs-h4); font-weight: 700; margin-bottom: var(--sp-2); }
.tool-card__status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--c-green-600);
  background: var(--c-green-100);
  padding: 2px 9px;
  border-radius: var(--r-full);
  margin-bottom: var(--sp-3);
}
.tool-card__status--dev { color: var(--c-gold-600); background: var(--c-gold-100); }
.tool-card__desc { font-size: var(--fs-sm); color: var(--t-2); margin-bottom: var(--sp-4); }
.tool-card__steps { display: flex; flex-wrap: wrap; gap: 6px; }
.tool-card__steps li {
  padding: 3px 10px;
  border-radius: var(--r-full);
  background: var(--c-blue-50);
  border: 1px solid var(--c-blue-100);
  font-size: var(--fs-xs);
  color: var(--c-blue-700);
}
.qr-box {
  flex: none;
  width: 128px;
  text-align: center;
}
.qr-box__frame {
  width: 128px; height: 128px;
  border-radius: var(--r-md);
  border: 1px dashed var(--c-line-strong);
  background: var(--c-bg-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--t-3);
  font-size: var(--fs-xs);
  padding: var(--sp-3);
  text-align: center;
  line-height: 1.5;
}
.qr-box__frame svg { width: 26px; height: 26px; }
.qr-box__cap { font-size: var(--fs-xs); color: var(--t-3); margin-top: 7px; }

/* ============================================================
   7. 海外业务
   ============================================================ */
.oversea {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 4vw, 64px);
  align-items: center;
}
.oversea__map { position: relative; }
.oversea__map img,
.oversea__map svg { width: 100%; height: auto; display: block; }
.oversea__legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-top: var(--sp-4);
  padding-top: var(--sp-4);
  border-top: 1px solid rgba(255, 255, 255, .10);
}
.oversea__legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-sm);
  color: var(--t-on-dark-2);
}
.oversea__legend-item i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: none;
}
.oversea__regions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-bottom: var(--sp-5); }
.oversea__region {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 18px;
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  color: #fff;
  font-weight: 600;
}
.oversea__region .pin {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-gold);
  box-shadow: 0 0 0 4px rgba(245, 185, 33, .22);
}
.oversea__list { display: flex; flex-direction: column; gap: var(--sp-4); }
.oversea__item { display: flex; gap: var(--sp-4); }
.oversea__item .ico {
  flex: none;
  width: 40px; height: 40px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--c-gold);
}
.oversea__item .ico svg { width: 20px; height: 20px; }
.oversea__item h4 { font-size: 15px; font-weight: 700; color: #fff; margin: 0 0 4px; }
.oversea__item p { font-size: var(--fs-sm); color: var(--t-on-dark-2); margin: 0; }

/* ============================================================
   8. 内页 Hero
   ============================================================ */
.page-hero {
  position: relative;
  overflow: hidden;
  background: var(--grad-dark);
  color: #fff;
  padding: clamp(40px, 5vw, 68px) 0 clamp(48px, 6vw, 80px);
}
.page-hero__bg {
  position: absolute; inset: 0;
  background: var(--grad-tech);
  opacity: .30;
}
.page-hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 80% at 70% 20%, #000 20%, transparent 70%);
}
.page-hero__inner { position: relative; }
.page-hero__crumb { margin-bottom: var(--sp-4); }
.page-hero__crumb a, .page-hero__crumb .cur, .page-hero__crumb .sep { color: rgba(255, 255, 255, .62); }
.page-hero__crumb .cur { color: #fff; }
.page-hero__top {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin-bottom: var(--sp-4);
}
.page-hero__icon {
  flex: none;
  width: 58px; height: 58px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .2);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff;
}
.page-hero__icon svg { width: 30px; height: 30px; }
.page-hero__title { font-size: var(--fs-h1); font-weight: 800; color: #fff; margin: 0 0 var(--sp-3); }
.page-hero__sub { font-size: var(--fs-lead); color: var(--t-on-dark-2); max-width: 720px; margin: 0; }
.page-hero__badges { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-top: var(--sp-4); }

/* ============================================================
   9. 业务页内容块
   ============================================================ */
.block + .block { margin-top: clamp(40px, 5vw, 72px); }
.block__head { margin-bottom: var(--sp-6); }
.block__kicker {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--c-blue);
  margin-bottom: var(--sp-2);
}
.block__kicker::before { content: ""; width: 16px; height: 2px; border-radius: 2px; background: var(--grad-main); }
.block__title { font-size: var(--fs-h3); font-weight: 800; margin: 0 0 var(--sp-2); }
.block__desc { color: var(--t-2); margin: 0; }

/* 卖点四宫格 */
.sell-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); }
.sell-grid--3 { grid-template-columns: repeat(3, 1fr); }
.sell-card {
  padding: var(--sp-5);
  border-radius: var(--r-lg);
  background: var(--c-bg-soft);
  border: 1px solid transparent;
  transition: all var(--t-mid) var(--ease);
}
.sell-card:hover { background: #fff; border-color: var(--c-blue-200); box-shadow: var(--sh-2); }
.sell-card__num {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 800;
  color: var(--c-blue);
  margin-bottom: var(--sp-3);
}
.sell-card__title { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.sell-card__desc { font-size: var(--fs-sm); color: var(--t-2); margin: 0; }

/* 模式卡 */
.mode-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); }
.mode-card {
  position: relative;
  padding: var(--sp-6) var(--sp-5);
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--c-line);
  overflow: hidden;
}
.mode-card::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  background: var(--grad-main);
}
.mode-card__label {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--r-full);
  background: var(--c-blue-100);
  color: var(--c-blue-700);
  font-size: var(--fs-xs);
  font-weight: 700;
  margin-bottom: var(--sp-3);
}
.mode-card__title { font-size: var(--fs-h4); font-weight: 700; margin-bottom: var(--sp-2); }
.mode-card__desc { font-size: var(--fs-sm); color: var(--t-2); margin: 0; }

/* 适用对象 chips */
.chips { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 17px;
  border-radius: var(--r-full);
  background: #fff;
  border: 1px solid var(--c-line);
  font-size: var(--fs-sm);
  color: var(--t-2);
  transition: all var(--t-fast) var(--ease);
}
.chip:hover { border-color: var(--c-blue); color: var(--c-blue); background: var(--c-blue-50); }
.chip svg { width: 15px; height: 15px; }

/* ============================================================
   10. 新闻卡片
   ============================================================ */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); }
.news-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--sh-3); }
.news-card__cover {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--grad-main);
  overflow: hidden;
}
.news-card__cover svg { width: 100%; height: 100%; opacity: .92; }
.news-card__cat {
  position: absolute;
  left: var(--sp-4); top: var(--sp-4);
  padding: 3px 11px;
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, .94);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--c-blue-700);
}
.news-card__body { flex: 1; display: flex; flex-direction: column; padding: var(--sp-5); }
.news-card__date { font-size: var(--fs-xs); color: var(--t-3); font-family: var(--font-num); margin-bottom: var(--sp-2); }
.news-card__title { font-size: 16px; font-weight: 700; margin: 0 0 var(--sp-2); line-height: 1.5; }
.news-card__title a { color: inherit; }
.news-card__title a:hover { color: var(--c-blue); }
.news-card__sum { font-size: var(--fs-sm); color: var(--t-2); margin: 0; }

/* ============================================================
   11. 案例
   ============================================================ */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); }
.case-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--sh-3); }
.case-card__cover { position: relative; aspect-ratio: 4 / 3; background: var(--c-bg-soft-2); overflow: hidden; }
.case-card__cover img { width: 100%; height: 100%; object-fit: cover; }
.case-card__cap {
  position: absolute;
  left: var(--sp-4); top: var(--sp-4);
  padding: 3px 11px;
  border-radius: var(--r-full);
  background: var(--grad-main);
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: 700;
}
.case-card__body { flex: 1; padding: var(--sp-5); }
.case-card__loc { font-size: var(--fs-xs); color: var(--t-3); margin-bottom: var(--sp-2); display: flex; align-items: center; gap: 5px; }
.case-card__title { font-size: 16px; font-weight: 700; margin: 0 0 var(--sp-3); }
.case-card__meta { display: flex; flex-wrap: wrap; gap: var(--sp-4); font-size: var(--fs-sm); }
.case-card__meta .k { color: var(--t-3); margin-right: 4px; }
.case-card__meta .v { font-family: var(--font-num); font-weight: 700; color: var(--c-blue-700); }

/* 空态 */
.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  padding: clamp(48px, 6vw, 80px) var(--sp-5);
  text-align: center;
  background: var(--c-bg-soft);
  border: 1px dashed var(--c-line-strong);
  border-radius: var(--r-xl);
}
.empty__ico {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--c-line);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--c-blue);
}
.empty__ico svg { width: 26px; height: 26px; }
.empty__title { font-size: 16px; font-weight: 700; margin: 0; }
.empty__desc { font-size: var(--fs-sm); color: var(--t-3); margin: 0; max-width: 420px; }

/* ============================================================
   12. 关于我们
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 4vw, 64px); align-items: center; }
.about-visual { position: relative; }
.about-visual svg { width: 100%; height: auto; }
.corp-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}
.corp-item {
  padding: var(--sp-4) var(--sp-5);
  background: var(--c-bg-soft);
  border-radius: var(--r-md);
  border-left: 3px solid var(--c-blue);
}
.corp-item .k { font-size: var(--fs-xs); color: var(--t-3); margin-bottom: 3px; }
.corp-item .v { font-size: 15px; font-weight: 600; color: var(--t-1); }

/* ============================================================
   13. 联系页
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(32px, 4vw, 56px);
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: var(--sp-5); }
.contact-item { display: flex; gap: var(--sp-4); }
.contact-item__ico {
  flex: none;
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  background: var(--c-blue-50);
  color: var(--c-blue);
  display: inline-flex; align-items: center; justify-content: center;
}
.contact-item__ico svg { width: 21px; height: 21px; }
.contact-item__k { font-size: var(--fs-xs); color: var(--t-3); margin-bottom: 2px; }
.contact-item__v { font-size: 15px; font-weight: 600; color: var(--t-1); line-height: 1.6; }
.contact-item__v a { color: inherit; }
.contact-item__v a:hover { color: var(--c-blue); }

.form-card {
  padding: clamp(24px, 3vw, 36px);
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-2);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
.form-grid .field--full { grid-column: 1 / -1; }
.form-foot { display: flex; flex-direction: column; gap: var(--sp-4); margin-top: var(--sp-5); }
.form-note { font-size: var(--fs-xs); color: var(--t-3); line-height: 1.7; }

/* ============================================================
   14. 404
   ============================================================ */
.nf { text-align: center; padding: clamp(72px, 10vw, 140px) 0; }
.nf__code {
  font-family: var(--font-num);
  font-size: clamp(80px, 14vw, 160px);
  font-weight: 800;
  line-height: 1;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--sp-4);
}
.nf__title { font-size: var(--fs-h3); font-weight: 800; margin-bottom: var(--sp-3); }
.nf__desc { color: var(--t-2); margin-bottom: var(--sp-6); }
.nf__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); justify-content: center; }

/* ============================================================
   15. 合规声明块
   ============================================================ */
.notice {
  display: flex;
  gap: var(--sp-4);
  padding: var(--sp-5);
  background: var(--c-gold-100);
  border: 1px solid rgba(217, 158, 12, .28);
  border-radius: var(--r-lg);
}
.notice__ico { flex: none; color: var(--c-gold-600); }
.notice__ico svg { width: 22px; height: 22px; }
.notice__title { font-size: var(--fs-sm); font-weight: 700; color: #7A5300; margin-bottom: 4px; }
.notice__body { font-size: var(--fs-sm); color: #7A5300; line-height: 1.8; margin: 0; }
.notice--blue { background: var(--c-blue-50); border-color: var(--c-blue-100); }
.notice--blue .notice__ico, .notice--blue .notice__title, .notice--blue .notice__body { color: var(--c-blue-700); }

/* ============================================================
   16. 业务页内链（同组其他业务）
   ============================================================ */
.rel-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-4); }
.rel-card {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--c-line);
  transition: all var(--t-fast) var(--ease);
}
.rel-card:hover { border-color: var(--c-blue); box-shadow: var(--sh-2); transform: translateY(-2px); }
.rel-card__idx {
  flex: none;
  width: 34px; height: 34px;
  border-radius: var(--r-sm);
  background: var(--c-blue-100);
  color: var(--c-blue-700);
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 14px;
  display: inline-flex; align-items: center; justify-content: center;
}
.rel-card__title { font-size: 15px; font-weight: 700; color: var(--t-1); flex: 1; }
.rel-card__arrow { flex: none; width: 18px; height: 18px; color: var(--t-3); transition: transform var(--t-fast) var(--ease); }
.rel-card:hover .rel-card__arrow { transform: translateX(3px); color: var(--c-blue); }

/* 模式卡两列变体 */
.mode-grid--2 { grid-template-columns: repeat(2, 1fr); }

/* 表格标题 */
.tbl-cap {
  padding: var(--sp-4) var(--sp-5) 0;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--t-1);
}

/* 合规声明块（⑧ AI 算力服务专用） */
.compliance {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  padding: var(--sp-5);
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-blue);
  box-shadow: var(--sh-1);
}
.compliance__ico {
  flex: none;
  width: 38px; height: 38px;
  border-radius: var(--r-sm);
  background: var(--c-blue-100);
  color: var(--c-blue-700);
  display: inline-flex; align-items: center; justify-content: center;
}
.compliance__ico svg { width: 21px; height: 21px; }
.compliance__title {
  font-size: var(--fs-base);
  font-weight: 800;
  color: var(--t-1);
  margin-bottom: var(--sp-2);
}
.compliance__body {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--t-2);
}

/* 产品大卡单列变体 */
.feature-pair--1 { grid-template-columns: 1fr; }

/* 产品图（⑩ 新产品线） */
.p-shot {
  margin-top: auto;
  padding-top: var(--sp-4);
}
.p-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--r-md);
  border: 1px solid var(--c-line);
  background: var(--c-bg-soft);
}