/* ============================================================
   内页样式层：页头 / 服务 / 案例 / 新闻 / 联系 / 详情正文
   与首页共享 tokens.css + base.css + components.css
   ============================================================ */

/* ---------- 路由进度条 & 页面切换 ---------- */
#route-bar {
  position: fixed; top: 0; left: 0; z-index: 130;
  height: 2px; width: 0;
  background: var(--color-gradient);
  box-shadow: 0 0 14px rgba(46, 160, 255, 0.65);
  transition: width 0.45s var(--ease-out), opacity 0.4s ease 0.1s;
}
#route-bar.done { opacity: 0; }

body.page-out { opacity: 0; transition: opacity 0.19s ease; }
body { transition: opacity 0.25s ease; }

main { animation: page-in 0.55s var(--ease-out) both; }
@keyframes page-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 内页页头 ---------- */
.page-hero {
  position: relative; overflow: hidden;
  padding-top: calc(92px + var(--space-7));
  padding-bottom: var(--space-7);
  border-bottom: 1px solid var(--color-border);
}
.page-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(48rem 30rem at 12% 8%, rgba(46, 160, 255, 0.18), transparent 62%),
    radial-gradient(38rem 26rem at 92% 90%, rgba(70, 224, 122, 0.12), transparent 60%);
}
.page-hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(142, 180, 240, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(142, 180, 240, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 90% at 30% 20%, #000 10%, transparent 78%);
}
.page-hero .container { position: relative; z-index: 2; }

.crumb {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--color-muted); letter-spacing: 0.12em;
  margin-bottom: var(--space-5);
}
.crumb a { color: var(--color-muted); transition: color var(--dur-fast); }
.crumb a:hover { color: var(--color-accent); }
.crumb i { font-style: normal; opacity: 0.45; }
.crumb b { color: var(--color-text); font-weight: 500; }

.page-hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.6rem);
  line-height: 1.16; letter-spacing: -0.02em;
  max-width: 20em;
}
.page-hero h1 .grad {
  background: var(--color-gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.page-hero .ph-lead {
  max-width: 44em; margin-top: var(--space-4);
  color: var(--color-muted); font-size: var(--fs-md); line-height: 1.85;
}
.page-hero .ph-en {
  position: absolute; right: -0.08em; top: 0.2em;
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(3rem, 9vw, 8rem); line-height: 0.9;
  color: transparent; -webkit-text-stroke: 1px rgba(142, 180, 240, 0.16);
  pointer-events: none; white-space: nowrap; z-index: -1;
  letter-spacing: 0.02em;
}
/* 页头底部数据 / 标签行 */
.ph-meta {
  display: flex; flex-wrap: wrap; gap: 14px 40px;
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}
.ph-meta .m { display: flex; flex-direction: column; gap: 4px; }
.ph-meta .m b {
  font-family: var(--font-mono); font-size: var(--fs-md);
  font-weight: 700; color: var(--color-text);
}
.ph-meta .m span {
  font-size: 11px; color: var(--color-muted);
  letter-spacing: 0.18em; text-transform: uppercase;
}

/* 页头标题按行上浮 */
.ph-anim > * { animation: ph-up 0.7s var(--ease-out) both; }
.ph-anim > *:nth-child(1) { animation-delay: 0.05s; }
.ph-anim > *:nth-child(2) { animation-delay: 0.14s; }
.ph-anim > *:nth-child(3) { animation-delay: 0.23s; }
.ph-anim > *:nth-child(4) { animation-delay: 0.32s; }
@keyframes ph-up {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 通用：区块标题补充 ---------- */
.sec-head.row {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--space-4); max-width: none; flex-wrap: wrap;
}
.sec-head.row > div { max-width: 640px; }
.sec-more {
  font-size: var(--fs-sm); color: var(--color-accent);
  display: inline-flex; align-items: center; gap: 8px;
  border-bottom: 1px solid transparent; padding-bottom: 2px;
  transition: border-color var(--dur-fast), gap var(--dur-fast);
}
.sec-more:hover { border-bottom-color: var(--color-accent); gap: 12px; }

/* ---------- 服务总览：交替长卡 ---------- */
.svc-list { display: grid; gap: var(--space-5); }
.svc-row {
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: 0.92fr 1.08fr;
  gap: 0; align-items: stretch;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(10, 18, 32, 0.55);
  transition: border-color var(--dur-base), transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base);
}
.svc-row:hover { border-color: rgba(46, 160, 255, 0.42); transform: translateY(-4px); box-shadow: var(--shadow-3); }
.svc-row:nth-child(even) .svc-visual { order: 2; }

.svc-visual {
  position: relative; min-height: 260px;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: var(--space-5);
  background: linear-gradient(150deg, rgba(46, 160, 255, 0.16), rgba(70, 224, 122, 0.06) 60%, transparent);
  border-right: 1px solid var(--color-border);
  overflow: hidden;
}
.svc-row:nth-child(even) .svc-visual { border-right: none; border-left: 1px solid var(--color-border); }
.svc-visual::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(142, 180, 240, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(142, 180, 240, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at 70% 30%, #000, transparent 72%);
}
.svc-visual .big-no {
  position: relative;
  font-family: var(--font-display); font-size: clamp(3.4rem, 7vw, 5.4rem);
  font-weight: 700; line-height: 0.85;
  color: transparent; -webkit-text-stroke: 1px rgba(142, 200, 255, 0.42);
  letter-spacing: -0.02em;
}
.svc-visual .en-label {
  position: relative;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.3em; color: var(--color-accent);
}
.svc-visual .glyph-lines { position: relative; display: grid; gap: 8px; margin-top: 18px; }
.svc-visual .glyph-lines i {
  height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, rgba(46, 160, 255, 0.75), rgba(70, 224, 122, 0));
  transform-origin: left;
  animation: line-grow 1.1s var(--ease-out) both;
}
.svc-visual .glyph-lines i:nth-child(1) { width: 78%; }
.svc-visual .glyph-lines i:nth-child(2) { width: 54%; animation-delay: 0.1s; }
.svc-visual .glyph-lines i:nth-child(3) { width: 66%; animation-delay: 0.2s; }
@keyframes line-grow { from { transform: scaleX(0); opacity: 0; } to { transform: scaleX(1); opacity: 1; } }

.svc-body { padding: var(--space-5); display: flex; flex-direction: column; gap: 12px; }
.svc-body h3 { font-size: var(--fs-xl); }
.svc-body .tagline {
  font-size: var(--fs-md); color: var(--color-text); font-weight: 500;
}
.svc-body .desc { color: var(--color-muted); font-size: var(--fs-sm); line-height: 1.8; }
.svc-body .pts { list-style: none; display: grid; gap: 7px; margin-top: 2px; }
.svc-body .pts li {
  font-size: var(--fs-sm); color: var(--color-muted);
  padding-left: 16px; position: relative;
}
.svc-body .pts li::before {
  content: ""; position: absolute; left: 0; top: 0.62em;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-gradient);
}
.svc-body .tags { display: flex; flex-wrap: wrap; gap: 6px; }
.svc-body .tags i {
  font-style: normal; font-size: 11px; padding: 4px 10px;
  border: 1px solid var(--color-border); border-radius: 999px; color: var(--color-muted);
}
.svc-body .foot {
  margin-top: auto; padding-top: var(--space-3);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  border-top: 1px solid var(--color-border);
}
.svc-body .svc-meta { font-family: var(--font-mono); font-size: 11px; color: var(--color-muted); letter-spacing: 0.1em; }
.svc-body .svc-meta b { color: var(--color-accent-2); font-size: var(--fs-sm); letter-spacing: 0.04em; }

@media (max-width: 920px) {
  .svc-row { grid-template-columns: 1fr; }
  .svc-row:nth-child(even) .svc-visual { order: 0; border-left: none; border-bottom: 1px solid var(--color-border); }
  .svc-visual { min-height: 190px; border-right: none; border-bottom: 1px solid var(--color-border); }
}

/* ---------- 服务详情：粘性目录 + 内容 ---------- */
.detail-layout {
  display: grid; grid-template-columns: 232px 1fr;
  gap: var(--space-6); align-items: start;
}
.toc {
  position: sticky; top: 108px;
  border-left: 1px solid var(--color-border);
  padding-left: 18px;
  display: grid; gap: 2px;
}
.toc .toc-title {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--color-muted); letter-spacing: 0.24em;
  margin-bottom: 12px;
}
.toc a {
  position: relative; display: block;
  padding: 8px 0 8px 12px;
  font-size: var(--fs-sm); color: var(--color-muted);
  transition: color var(--dur-fast), transform var(--dur-fast);
}
.toc a::before {
  content: ""; position: absolute; left: -19px; top: 50%;
  width: 2px; height: 0; background: var(--color-gradient);
  transform: translateY(-50%);
  transition: height var(--dur-base) var(--ease-out);
}
.toc a:hover { color: var(--color-text); transform: translateX(2px); }
.toc a.on { color: var(--color-text); }
.toc a.on::before { height: 20px; }
.toc .toc-cta {
  margin-top: var(--space-4);
  padding: 14px; border: 1px solid var(--color-border);
  border-radius: var(--radius-md); background: rgba(10, 18, 32, 0.6);
}
.toc .toc-cta b { display: block; font-size: var(--fs-sm); margin-bottom: 4px; }
.toc .toc-cta span { font-size: 11px; color: var(--color-muted); }
.toc .toc-cta a { padding: 8px 0 0; color: var(--color-accent); font-size: var(--fs-sm); }

.content-stack { display: grid; gap: var(--space-7); }
.cblock { scroll-margin-top: 110px; }
.cblock-head {
  display: flex; align-items: baseline; gap: 14px;
  margin-bottom: var(--space-4); padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
}
.cblock-head .n {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--color-accent); letter-spacing: 0.16em;
}
.cblock-head h2 { font-size: var(--fs-xl); }
.cblock > p { color: var(--color-muted); max-width: 46em; }

/* 适用对象 */
.fit-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: var(--space-4); }
.fit-item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 16px 18px; border: 1px solid var(--color-border);
  border-radius: var(--radius-md); background: rgba(10, 18, 32, 0.45);
  font-size: var(--fs-sm); color: var(--color-muted);
  transition: border-color var(--dur-fast), transform var(--dur-fast);
}
.fit-item:hover { border-color: rgba(70, 224, 122, 0.45); transform: translateY(-2px); }
.fit-item::before {
  content: "✓"; flex-shrink: 0;
  width: 20px; height: 20px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 11px; color: #04121c; font-weight: 700;
  background: var(--color-gradient);
}

/* 模块卡 */
.mod-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); margin-top: var(--space-4); }
.mod-card {
  position: relative; overflow: hidden;
  padding: var(--space-4);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: rgba(10, 18, 32, 0.5);
  transition: border-color var(--dur-base), transform var(--dur-base) var(--ease-out);
}
.mod-card::after {
  content: ""; position: absolute; right: -30px; top: -30px;
  width: 90px; height: 90px; border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 160, 255, 0.22), transparent 70%);
  opacity: 0; transition: opacity var(--dur-base);
}
.mod-card:hover { border-color: rgba(46, 160, 255, 0.45); transform: translateY(-4px); }
.mod-card:hover::after { opacity: 1; }
.mod-card h4 { font-size: var(--fs-base); margin-bottom: 8px; display: flex; gap: 10px; align-items: baseline; }
.mod-card h4 em {
  font-style: normal; font-family: var(--font-mono); font-size: 10px;
  color: var(--color-accent-2); letter-spacing: 0.14em;
}
.mod-card p { font-size: var(--fs-sm); color: var(--color-muted); line-height: 1.75; }

/* 技术清单 */
.tech-list { display: grid; gap: 10px; margin-top: var(--space-4); }
.tech-item {
  display: flex; align-items: center; gap: 14px;
  padding: 15px 18px; border-left: 2px solid rgba(46, 160, 255, 0.55);
  background: linear-gradient(90deg, rgba(46, 160, 255, 0.08), transparent 70%);
  font-size: var(--fs-sm); color: var(--color-text);
}
.tech-item i {
  font-style: normal; font-family: var(--font-mono); font-size: 10px;
  color: var(--color-muted); letter-spacing: 0.12em;
}

/* 交付清单 */
.deliver-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 var(--space-4); margin-top: var(--space-4); }
.deliver-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 0; border-bottom: 1px dashed var(--color-border);
  font-size: var(--fs-sm); color: var(--color-muted);
}
.deliver-item b {
  font-family: var(--font-mono); font-size: 10px; color: var(--color-accent);
  padding-top: 4px; letter-spacing: 0.1em;
}

/* 流程时间轴 */
.timeline { position: relative; margin-top: var(--space-5); padding-left: 26px; }
.timeline::before {
  content: ""; position: absolute; left: 5px; top: 6px; bottom: 6px;
  width: 1px; background: linear-gradient(var(--color-accent), rgba(70, 224, 122, 0.2));
}
.tl-item { position: relative; padding-bottom: var(--space-4); }
.tl-item::before {
  content: ""; position: absolute; left: -25px; top: 7px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--color-bg); border: 2px solid var(--color-accent);
  box-shadow: 0 0 0 4px rgba(46, 160, 255, 0.12);
}
.tl-item h4 { font-size: var(--fs-base); margin-bottom: 4px; }
.tl-item h4 span {
  font-family: var(--font-mono); font-size: 10px; color: var(--color-accent-2);
  margin-right: 10px; letter-spacing: 0.1em;
}
.tl-item p { font-size: var(--fs-sm); color: var(--color-muted); }

/* 交付周期与技术栈 */
.spec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); margin-top: var(--space-4); }
.spec-cell {
  padding: var(--space-4);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: rgba(10, 18, 32, 0.5);
}
.spec-cell span {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--color-muted); letter-spacing: 0.18em;
  display: block; margin-bottom: 8px;
}
.spec-cell b { font-family: var(--font-mono); font-size: var(--fs-md); color: var(--color-text); }
.spec-cell b em { font-style: normal; font-size: 11px; color: var(--color-accent-2); }
.spec-note { font-size: var(--fs-xs); color: var(--color-muted); margin-top: 12px; opacity: 0.75; }

/* FAQ */
.faq-list { display: grid; gap: 10px; margin-top: var(--space-4); }
.faq-item {
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: rgba(10, 18, 32, 0.45); overflow: hidden;
  transition: border-color var(--dur-fast);
}
.faq-item[open] { border-color: rgba(46, 160, 255, 0.4); }
.faq-item summary {
  list-style: none; cursor: pointer;
  padding: 18px 22px; font-size: var(--fs-base); font-weight: 500;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-family: var(--font-mono); font-size: 18px;
  color: var(--color-accent); transition: transform var(--dur-base);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body {
  padding: 0 22px 20px; font-size: var(--fs-sm);
  color: var(--color-muted); line-height: 1.85;
}

/* ---------- 案例详情 ---------- */
.case-hero-visual {
  position: relative; overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  min-height: 380px;
  display: grid; place-items: center;
  background: linear-gradient(150deg, var(--cv-a, #0b3a66), var(--cv-b, #1a6fb5));
}
.case-hero-visual::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(52% 46% at 50% 44%, rgba(255, 255, 255, 0.18), transparent 72%);
}
.case-hero-visual .logo-lockup { position: relative; z-index: 1; transform: scale(1.5); }
.case-hero-visual .stage-tag {
  position: absolute; left: 24px; bottom: 20px; z-index: 2;
  font-family: var(--font-mono); font-size: 10px;
  color: rgba(255, 255, 255, 0.62); letter-spacing: 0.24em;
}

.case-spec {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--color-border);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  overflow: hidden; margin-top: var(--space-5);
}
.case-spec div { background: var(--color-bg); padding: 20px; }
.case-spec span {
  display: block; font-family: var(--font-mono); font-size: 10px;
  color: var(--color-muted); letter-spacing: 0.18em; margin-bottom: 6px;
}
.case-spec b { font-size: var(--fs-sm); font-weight: 500; }

.result-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); margin-top: var(--space-4); }
.result-cell {
  padding: var(--space-5) var(--space-4);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(46, 160, 255, 0.1), rgba(10, 18, 32, 0.4));
  display: flex; flex-direction: column; gap: 6px;
}
.result-cell b {
  font-family: var(--font-mono); font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  font-weight: 700; line-height: 1;
  color: #dcebff;
}
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .result-cell b {
    background: var(--color-gradient);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
  }
}
.result-cell b em { font-style: normal; font-size: 0.5em; }
.result-cell span { font-size: var(--fs-xs); color: var(--color-muted); letter-spacing: 0.1em; }

.quote-block {
  position: relative; margin-top: var(--space-5);
  padding: var(--space-5) var(--space-6);
  border-left: 2px solid var(--color-accent-2);
  background: linear-gradient(90deg, rgba(70, 224, 122, 0.07), transparent 70%);
}
.quote-block p { font-size: var(--fs-lg); line-height: 1.7; font-weight: 500; }
.quote-block cite {
  display: block; margin-top: 14px;
  font-style: normal; font-family: var(--font-mono);
  font-size: 11px; color: var(--color-muted); letter-spacing: 0.14em;
}

/* 挑战 / 方案 双栏 */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); margin-top: var(--space-4); }
.pain-box, .sol-box {
  padding: var(--space-5);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: rgba(10, 18, 32, 0.45);
}
.pain-box h4, .sol-box h4 {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.2em; margin-bottom: var(--space-4);
}
.pain-box h4 { color: #ff9c8a; }
.sol-box h4 { color: var(--color-accent-2); }
.pain-box ul { list-style: none; display: grid; gap: 12px; }
.pain-box li {
  font-size: var(--fs-sm); color: var(--color-muted);
  padding-left: 18px; position: relative; line-height: 1.7;
}
.pain-box li::before {
  content: "!"; position: absolute; left: 0; top: 0;
  font-family: var(--font-mono); font-size: 11px; color: #ff9c8a;
}
.sol-box .sol-item { margin-bottom: 16px; }
.sol-box .sol-item:last-child { margin-bottom: 0; }
.sol-box .sol-item b { display: block; font-size: var(--fs-sm); margin-bottom: 3px; }
.sol-box .sol-item p { font-size: var(--fs-sm); color: var(--color-muted); line-height: 1.7; }

/* ---------- 筛选条 ---------- */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.filter-chip {
  padding: 9px 18px; min-height: 40px;
  border: 1px solid var(--color-border); border-radius: 999px;
  background: rgba(10, 18, 32, 0.5); color: var(--color-muted);
  font-size: var(--fs-sm);
  transition: all var(--dur-fast);
}
.filter-chip:hover { color: var(--color-text); border-color: var(--color-border-strong); }
.filter-chip.on {
  background: var(--color-gradient); color: #04121c;
  border-color: transparent; font-weight: 700;
}
.filter-chip em {
  font-style: normal; font-family: var(--font-mono); font-size: 10px;
  opacity: 0.7; margin-left: 6px;
}
.filter-count {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--color-muted); letter-spacing: 0.12em;
  margin-left: auto; align-self: center;
}
.empty-note {
  padding: var(--space-6); text-align: center;
  color: var(--color-muted); font-size: var(--fs-sm);
  border: 1px dashed var(--color-border); border-radius: var(--radius-md);
}

/* ---------- 新闻列表 ---------- */
.news-layout { display: grid; grid-template-columns: 1fr 300px; gap: var(--space-6); align-items: start; }
.news-feature {
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: 0; overflow: hidden;
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  background: var(--color-surface);
  margin-bottom: var(--space-5);
  transition: border-color var(--dur-base), transform var(--dur-base) var(--ease-out);
}
.news-feature:hover { border-color: rgba(46, 160, 255, 0.45); transform: translateY(-4px); }
.news-feature .nf-visual {
  position: relative; min-height: 280px; padding: var(--space-5);
  display: flex; flex-direction: column; justify-content: space-between;
  background: linear-gradient(150deg, rgba(46, 160, 255, 0.2), rgba(70, 224, 122, 0.08) 60%, rgba(10, 18, 32, 0.2));
  border-right: 1px solid var(--color-border);
  overflow: hidden;
}
.news-feature .nf-visual::before {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(135deg, rgba(142, 180, 240, 0.07) 0 1px, transparent 1px 14px);
  mask-image: radial-gradient(circle at 30% 30%, #000, transparent 70%);
}
.news-feature .nf-visual b {
  position: relative;
  font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.2; color: rgba(234, 242, 255, 0.9);
}
.news-feature .nf-visual span {
  position: relative; font-family: var(--font-mono); font-size: 10px;
  color: var(--color-accent); letter-spacing: 0.26em;
}
.news-feature .nf-body { padding: var(--space-5); display: flex; flex-direction: column; gap: 12px; }
.news-feature .nf-body h2 { font-size: var(--fs-lg); line-height: 1.45; }
.news-feature .nf-body p { font-size: var(--fs-sm); color: var(--color-muted); }

.news-list { display: grid; }
.news-row {
  display: grid; grid-template-columns: 96px 1fr auto;
  gap: var(--space-4); align-items: start;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--dur-fast);
}
.news-row:hover { background: rgba(46, 160, 255, 0.04); }
.news-row .date {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--color-muted); letter-spacing: 0.06em;
  padding-top: 4px;
}
.news-row .date b { display: block; font-size: var(--fs-md); color: var(--color-text); letter-spacing: 0; }
.news-row h3 { font-size: var(--fs-md); line-height: 1.5; margin-bottom: 6px; transition: color var(--dur-fast); }
.news-row:hover h3 { color: var(--color-accent); }
.news-row p {
  font-size: var(--fs-sm); color: var(--color-muted);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-row .cat-tag {
  font-family: var(--font-mono); font-size: 10px;
  padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--color-border); color: var(--color-accent-2);
  white-space: nowrap; letter-spacing: 0.1em;
}

/* 侧栏 */
.side-card {
  padding: var(--space-4);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: rgba(10, 18, 32, 0.5);
  margin-bottom: var(--space-3);
}
.side-card h4 {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--color-muted); letter-spacing: 0.22em;
  margin-bottom: var(--space-3);
}
.side-card .rank { display: grid; gap: 12px; }
.side-card .rank a {
  display: flex; gap: 12px; align-items: baseline;
  font-size: var(--fs-sm); color: var(--color-muted);
  transition: color var(--dur-fast);
}
.side-card .rank a:hover { color: var(--color-accent); }
.side-card .rank i {
  font-style: normal; font-family: var(--font-mono);
  font-size: 10px; color: var(--color-accent);
}
.side-card .tag-cloud { display: flex; flex-wrap: wrap; gap: 6px; }
.side-card .tag-cloud a {
  font-size: 11px; padding: 5px 11px;
  border: 1px solid var(--color-border); border-radius: 999px;
  color: var(--color-muted); transition: all var(--dur-fast);
}
.side-card .tag-cloud a:hover { color: var(--color-text); border-color: var(--color-accent); }
.side-card.cta {
  background: linear-gradient(160deg, rgba(46, 160, 255, 0.14), rgba(70, 224, 122, 0.06));
}
.side-card.cta b { display: block; font-size: var(--fs-base); margin-bottom: 6px; }
.side-card.cta p { font-size: var(--fs-xs); color: var(--color-muted); margin-bottom: 14px; }

/* ---------- 文章详情 ---------- */
.article-head { max-width: 800px; }
.article-head .meta {
  display: flex; flex-wrap: wrap; gap: 16px; align-items: center;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--color-muted); letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}
.article-head .meta .cat {
  color: var(--color-accent-2);
  padding: 3px 10px; border: 1px solid rgba(70, 224, 122, 0.3); border-radius: 999px;
}
.article-head h1 {
  font-size: clamp(1.9rem, 3.8vw, 2.9rem);
  line-height: 1.28; letter-spacing: -0.015em;
}
.article-head .standfirst {
  margin-top: var(--space-4); font-size: var(--fs-md);
  color: var(--color-muted); line-height: 1.85;
}
.article-cover {
  margin-top: var(--space-6);
  height: 260px; border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background:
    radial-gradient(60% 80% at 20% 20%, rgba(46, 160, 255, 0.28), transparent 60%),
    radial-gradient(50% 70% at 85% 80%, rgba(70, 224, 122, 0.18), transparent 60%),
    var(--color-surface);
  position: relative; overflow: hidden;
}
.article-cover::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(142, 180, 240, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(142, 180, 240, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 50%, #000 20%, transparent 75%);
}

.article-wrap { display: grid; grid-template-columns: 1fr 220px; gap: var(--space-6); align-items: start; }

.prose { max-width: 46em; font-size: 1.02rem; line-height: 1.95; color: #cfddef; }
.prose > * + * { margin-top: 1.15em; }
.prose .lead {
  font-size: var(--fs-md); line-height: 1.85; color: var(--color-text);
  padding-left: 18px; border-left: 2px solid var(--color-accent);
}
.prose h2 {
  font-size: var(--fs-lg); color: var(--color-text);
  margin-top: 2.2em; padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: 110px;
}
.prose h3 {
  font-size: var(--fs-md); color: var(--color-text);
  margin-top: 1.8em; scroll-margin-top: 110px;
}
.prose h4 { font-size: var(--fs-base); color: var(--color-text); margin-top: 1.6em; }
.prose p { color: #b9cbe2; }
.prose a { color: var(--color-accent); border-bottom: 1px solid rgba(46, 160, 255, 0.4); }
.prose a:hover { color: var(--color-accent-2); border-bottom-color: var(--color-accent-2); }
.prose strong, .prose b { color: var(--color-text); }
.prose ul, .prose ol { padding-left: 1.3em; display: grid; gap: 0.55em; }
.prose ul { list-style: none; padding-left: 0; }
.prose ul li { position: relative; padding-left: 1.35em; }
.prose ul li::before {
  content: ""; position: absolute; left: 0; top: 0.78em;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-gradient);
}
.prose ol { list-style: decimal; }
.prose ol li::marker { color: var(--color-accent); font-family: var(--font-mono); font-size: 0.82em; }
.prose blockquote {
  margin-block: 1.8em; padding: 22px 26px;
  border-left: 2px solid var(--color-accent-2);
  background: linear-gradient(90deg, rgba(70, 224, 122, 0.08), transparent 75%);
  font-size: var(--fs-md); color: var(--color-text); line-height: 1.8;
}
.prose blockquote::before { content: "“"; font-family: var(--font-display); font-size: 1.6em; color: var(--color-accent-2); line-height: 0; vertical-align: -0.2em; margin-right: 4px; }
.prose code {
  font-family: var(--font-mono); font-size: 0.86em;
  padding: 2px 6px; border-radius: 4px;
  background: rgba(46, 160, 255, 0.12); color: #a8d8ff;
}
.prose table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.prose th, .prose td { padding: 10px 14px; border-bottom: 1px solid var(--color-border); text-align: left; }
.prose th { color: var(--color-muted); font-weight: 500; }

.article-foot {
  margin-top: var(--space-7); padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap;
}
.article-foot .share { display: flex; align-items: center; gap: 10px; }
.article-foot .share span {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--color-muted); letter-spacing: 0.2em;
}
.article-foot .share button {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--color-border); background: none; color: var(--color-muted);
  display: grid; place-items: center; font-size: 12px;
  transition: all var(--dur-fast);
}
.article-foot .share button:hover { color: var(--color-accent); border-color: var(--color-accent); }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); margin-top: var(--space-5); }
.pager a {
  padding: var(--space-4);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: rgba(10, 18, 32, 0.45);
  transition: border-color var(--dur-fast), transform var(--dur-fast);
}
.pager a:hover { border-color: rgba(46, 160, 255, 0.45); transform: translateY(-3px); }
.pager span {
  display: block; font-family: var(--font-mono); font-size: 10px;
  color: var(--color-muted); letter-spacing: 0.2em; margin-bottom: 8px;
}
.pager b { font-size: var(--fs-sm); font-weight: 500; line-height: 1.6; }
.pager a.next { text-align: right; }

/* 阅读进度小环（文章页） */
.read-rail {
  position: sticky; top: 108px;
  display: flex; flex-direction: column; gap: 14px;
  font-family: var(--font-mono); font-size: 10px;
  color: var(--color-muted); letter-spacing: 0.16em;
}
.read-rail .ring {
  width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center;
  background: conic-gradient(var(--color-accent) 0deg, rgba(142, 180, 240, 0.14) 0deg);
  position: relative;
}
.read-rail .ring::before {
  content: ""; position: absolute; inset: 4px; border-radius: 50%;
  background: var(--color-bg);
}
.read-rail .ring b {
  position: relative; font-size: 11px; color: var(--color-text);
  font-family: var(--font-mono);
}
.read-rail .mini-toc { display: grid; gap: 8px; }
.read-rail .mini-toc a { color: var(--color-muted); transition: color var(--dur-fast); line-height: 1.5; }
.read-rail .mini-toc a:hover, .read-rail .mini-toc a.on { color: var(--color-accent); }

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: 0.86fr 1.14fr; gap: var(--space-6); align-items: start; }
.info-stack { display: grid; gap: 10px; }
.info-card {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px 22px;
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: rgba(10, 18, 32, 0.5);
  transition: border-color var(--dur-fast), transform var(--dur-fast);
}
.info-card:hover { border-color: rgba(46, 160, 255, 0.42); transform: translateX(4px); }
.info-card .k {
  font-family: var(--font-mono); font-size: 10px; color: var(--color-accent);
  letter-spacing: 0.2em; padding-top: 5px; min-width: 56px;
}
.info-card b { display: block; font-size: var(--fs-base); }
.info-card span { font-size: var(--fs-xs); color: var(--color-muted); }

.map-panel {
  position: relative; overflow: hidden;
  margin-top: var(--space-6); height: 320px;
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  background:
    radial-gradient(40% 60% at 30% 40%, rgba(46, 160, 255, 0.16), transparent 65%),
    radial-gradient(35% 55% at 75% 65%, rgba(70, 224, 122, 0.12), transparent 65%),
    var(--color-surface);
  display: grid; place-items: center;
}
.map-panel::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(142, 180, 240, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(142, 180, 240, 0.1) 1px, transparent 1px);
  background-size: 44px 44px;
}
.map-panel .pin {
  position: relative; z-index: 2; text-align: center;
}
.map-panel .pin .dotp {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--color-accent-2); margin: 0 auto 14px;
  box-shadow: 0 0 0 0 rgba(70, 224, 122, 0.5);
  animation: pin-pulse 2.4s ease-out infinite;
}
@keyframes pin-pulse {
  0% { box-shadow: 0 0 0 0 rgba(70, 224, 122, 0.45); }
  70% { box-shadow: 0 0 0 26px rgba(70, 224, 122, 0); }
  100% { box-shadow: 0 0 0 0 rgba(70, 224, 122, 0); }
}
.map-panel .pin b { display: block; font-size: var(--fs-md); }
.map-panel .pin span { font-family: var(--font-mono); font-size: 11px; color: var(--color-muted); letter-spacing: 0.14em; }

/* ---------- 底部 CTA 区 ---------- */
.cta-band {
  position: relative; overflow: hidden;
  margin-top: var(--space-7);
  padding: clamp(40px, 6vw, 72px) clamp(24px, 5vw, 64px);
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  background:
    radial-gradient(60% 120% at 12% 0%, rgba(46, 160, 255, 0.22), transparent 62%),
    radial-gradient(50% 120% at 92% 100%, rgba(70, 224, 122, 0.14), transparent 60%),
    var(--color-surface);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-5); flex-wrap: wrap;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(142, 180, 240, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(142, 180, 240, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 70% 40%, #000 10%, transparent 72%);
}
.cta-band > * { position: relative; }
.cta-band h2 { font-size: clamp(1.5rem, 2.8vw, 2.1rem); line-height: 1.3; }
.cta-band p { color: var(--color-muted); margin-top: 8px; font-size: var(--fs-sm); max-width: 34em; }
.cta-band .actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* 导航当前栏目：渐变下划线 */
.nav-links > li > a.is-active { color: var(--color-accent); position: relative; }
.nav-links > li > a.is-active::after {
  content: ""; position: absolute; left: 18px; right: 18px; bottom: 4px;
  height: 2px; border-radius: 2px;
  background: var(--color-gradient);
  animation: nav-underline 0.5s var(--ease-out) both;
}
@keyframes nav-underline { from { transform: scaleX(0); } to { transform: none; } }

/* ---------- 返回顶部 ---------- */
#to-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 90;
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  background: rgba(6, 13, 24, 0.82);
  backdrop-filter: blur(12px);
  color: var(--color-text);
  display: grid; place-items: center;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all var(--dur-base) var(--ease-out);
}
#to-top.show { opacity: 1; visibility: visible; transform: none; }
#to-top:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* ---------- 客户 LOGO 墙（公司介绍页） ---------- */
.logo-wall {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 1px; background: var(--color-border);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  overflow: hidden;
}
.logo-wall a {
  background: var(--color-bg); padding: 22px 20px;
  display: flex; flex-direction: column; gap: 4px;
  transition: background var(--dur-fast), transform var(--dur-fast);
}
.logo-wall a:hover { background: rgba(46, 160, 255, 0.07); }
.logo-wall span { font-size: var(--fs-sm); font-weight: 500; }
.logo-wall em {
  font-style: normal; font-family: var(--font-mono); font-size: 10px;
  color: var(--color-muted); letter-spacing: 0.12em;
}
@media (max-width: 920px) { .logo-wall { grid-template-columns: repeat(2, 1fr); } }

/* 页头数据中的计数保持等宽，跳动时不抖 */
.ph-meta .m b { font-variant-numeric: tabular-nums; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .detail-layout { grid-template-columns: 1fr; }
  .toc { position: static; border-left: none; border-top: 1px solid var(--color-border); padding-left: 0; padding-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
  .toc .toc-title { width: 100%; margin-bottom: 4px; }
  .toc a { padding: 7px 12px; border: 1px solid var(--color-border); border-radius: 999px; font-size: var(--fs-xs); }
  .toc a::before { display: none; }
  .toc a.on { border-color: var(--color-accent); color: var(--color-accent); }
  .toc .toc-cta { display: none; }
  .article-wrap { grid-template-columns: 1fr; }
  .read-rail { display: none; }
  .news-layout { grid-template-columns: 1fr; }
}
@media (max-width: 920px) {
  .page-hero { padding-top: calc(78px + var(--space-6)); padding-bottom: var(--space-6); }
  .page-hero .ph-en { font-size: clamp(2.4rem, 12vw, 4rem); opacity: 0.6; }
  .fit-list, .mod-grid, .deliver-grid, .two-col, .result-grid, .spec-grid, .pager { grid-template-columns: 1fr; }
  .case-spec { grid-template-columns: 1fr 1fr; }
  .news-feature { grid-template-columns: 1fr; }
  .news-feature .nf-visual { min-height: 160px; border-right: none; border-bottom: 1px solid var(--color-border); }
  .news-row { grid-template-columns: 1fr; gap: 8px; }
  .news-row .date { display: flex; gap: 10px; align-items: baseline; }
  .news-row .date b { font-size: var(--fs-sm); }
  .news-row .cat-tag { justify-self: start; }
  .contact-grid { grid-template-columns: 1fr; }
  .quote-block { padding: var(--space-4); }
  .cta-band { flex-direction: column; align-items: flex-start; }
}