/* ========================================================================
   美辰信息技术 · 玻璃质感首页样式
   保持蓝/品红/青玻璃质感主色，仅替换为原站真实图片素材
   ======================================================================== */

:root {
  /* 品牌主色（玻璃质感：蓝/品红/青） */
  --c-brand-blue: #4F8BFF;
  --c-brand-magenta: #FF4F8B;
  --c-brand-cyan: #4FD8FF;

  /* 强调色：工业橙（Footer / 备案 / 警示性反馈统一使用） */
  --c-accent-orange: #FF6B1A;

  /* 板块光晕色（低饱和 · 整体降饱和统一为蓝/青/工业橙三色） */
  --glow-blue:   rgba(79, 139, 255, 0.18);
  --glow-cyan:   rgba(79, 216, 255, 0.14);
  --glow-orange: rgba(255, 107, 26, 0.12);

  /* 卡片渐变边框（白透明 → 工业橙微染） */
  --card-border-grad: linear-gradient(135deg,
                    rgba(255, 255, 255, 0.20) 0%,
                    rgba(255, 255, 255, 0.05) 45%,
                    rgba(255, 107, 26, 0.18) 100%);

  /* 卡片 hover 发光（工业橙） */
  --card-glow: 0 20px 50px -14px rgba(255, 107, 26, 0.42),
               0 0 0 1px rgba(255, 107, 26, 0.32),
               inset 0 1px 0 rgba(255, 255, 255, 0.08);

  /* 深色背景层级（深 → 浅） */
  --c-bg-0: #07091a;
  --c-bg-1: #0c1130;
  --c-bg-2: #141a3e;

  /* 玻璃面板 */
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-bg-strong: rgba(255, 255, 255, 0.09);
  --glass-bg-soft: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.16);
  --glass-border-strong: rgba(255, 255, 255, 0.28);
  --glass-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.55);
  --glass-blur: 22px;
  --glass-blur-strong: 32px;

  /* 文字 */
  --c-text-1: #f4f6ff;
  --c-text-2: rgba(244, 246, 255, 0.78);
  --c-text-3: rgba(244, 246, 255, 0.56);
  --c-text-4: rgba(244, 246, 255, 0.38);

  /* 间距 */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
  --sp-9: 96px;

  /* 圆角 */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;

  /* 字体 */
  --ff-sans: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Microsoft YaHei", "Helvetica Neue", "Segoe UI", system-ui, sans-serif;
  --ff-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code",
    Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--ff-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-text-1);
  background: var(--c-bg-0);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: 0;
  background: transparent;
  color: inherit;
}
button:focus-visible {
  outline: 2px solid var(--c-brand-blue);
  outline-offset: 2px;
  border-radius: 4px;
}
ul { list-style: none; margin: 0; padding: 0; }

img { max-width: 100%; }

/* =============== 背景 =============== */
.page-bg {
  position: fixed; inset: 0; z-index: -1; overflow: hidden;
  background:
    radial-gradient(1200px 800px at 12% 6%, rgba(79, 139, 255, 0.32), transparent 60%),
    radial-gradient(1000px 700px at 90% 18%, rgba(255, 79, 139, 0.26), transparent 60%),
    radial-gradient(900px 800px at 70% 92%, rgba(79, 216, 255, 0.22), transparent 60%),
    linear-gradient(180deg, #06081a 0%, #0a0e26 40%, #0d1230 100%);
}
.orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.7; pointer-events: none; }
.orb--mint { width: 520px; height: 520px; top: -120px; left: -80px; background: radial-gradient(circle, rgba(79, 139, 255, 0.7), transparent 60%); animation: float 18s ease-in-out infinite; }
.orb--teal { width: 480px; height: 480px; top: 20%; right: -120px; background: radial-gradient(circle, rgba(255, 79, 139, 0.6), transparent 60%); animation: float 22s ease-in-out -6s infinite; }
.orb--emerald { width: 600px; height: 600px; bottom: -180px; left: 40%; background: radial-gradient(circle, rgba(79, 216, 255, 0.5), transparent 60%); animation: float 26s ease-in-out -10s infinite; }

@keyframes float { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(40px, -30px); } }

.grid-overlay {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 90%);
}
@media (prefers-reduced-motion: reduce) { .orb { animation: none; } }

/* =============== 玻璃基础类 =============== */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  position: relative;
}
.glass::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0) 35%, rgba(255, 255, 255, 0) 65%, rgba(255, 255, 255, 0.06) 100%);
}

.glass-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  font-size: 13px; color: var(--c-text-2); letter-spacing: 0.02em;
}
.glass-pill .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--c-brand-cyan);
  box-shadow: 0 0 8px var(--c-brand-cyan);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.6; transform: scale(0.85); } }

/* =============== 按钮 =============== */
.btn-primary, .btn-secondary, .btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  height: 40px; padding: 0 18px; border-radius: 12px;
  font-size: 14px; font-weight: 500; letter-spacing: 0.02em; white-space: nowrap;
  transition: transform 200ms ease, box-shadow 200ms ease, background 200ms ease;
}
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #4F8BFF 0%, #6B5BFF 50%, #FF4F8B 100%);
  box-shadow: 0 10px 24px -8px rgba(79, 139, 255, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 32px -8px rgba(79, 139, 255, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.4); }
.btn-primary--lg, .btn-secondary--lg, .btn-ghost--lg { height: 48px; padding: 0 22px; font-size: 15px; border-radius: 14px; }

.btn-secondary {
  color: var(--c-text-1);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.14); transform: translateY(-1px); }

.btn-ghost { color: var(--c-text-2); background: transparent; border: 1px solid rgba(255, 255, 255, 0.16); }
.btn-ghost:hover { color: var(--c-text-1); background: rgba(255, 255, 255, 0.06); border-color: rgba(255, 255, 255, 0.32); }

/* -------- 按钮类 a 标签支持 --------
   让 .btn-* / .nav-* / .related-section__more / .article-nav__item 等
   既可用 <button> 也可用 <a> 渲染,样式不变(覆盖浏览器 a 标签默认) */
a.btn-primary, a.btn-secondary, a.btn-ghost,
a.btn-primary--lg, a.btn-secondary--lg, a.btn-ghost--lg,
a.related-section__more,
a.primary-nav__item,
a.cap-card__cta, a.cap-card__link,
a.svc-card, a.ins-card__cover-link,
a.article-nav__item,
a.site-footer__col-list button,
a.site-footer__legal button,
a.hero-glass {
  text-decoration: none;
  color: inherit;
  font: inherit;
}
a.btn-primary:visited, a.btn-secondary:visited, a.btn-ghost:visited,
a.related-section__more:visited,
a.primary-nav__item:visited,
a.cap-card__cta:visited, a.svc-card:visited, a.ins-card__cover-link:visited,
a.article-nav__item:visited {
  color: inherit;
}

/* =============== 顶部导航 =============== */
.top-nav { position: sticky; top: 0; z-index: 50; padding: 16px 32px 0; }
.top-nav__inner {
  max-width: 1440px; margin: 0 auto;
  display: flex; align-items: center; gap: 24px;
  padding: 12px 24px; border-radius: 18px;
  transition: background 220ms ease, border-color 220ms ease;
}
.top-nav.is-scrolled .top-nav__inner { background: var(--glass-bg-strong); border-color: var(--glass-border-strong); }

.brand {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: inherit;
  padding: 0; background: transparent; border: 0; cursor: pointer;
}
.brand__img {
  height: 36px; width: auto; max-width: 100%; display: block;
  filter: drop-shadow(0 4px 12px rgba(79, 139, 255, 0.4));
  border-radius: 4px;
  object-fit: contain; /* 保证 logo 100% 完整显示,不被裁切或拉伸 */
}
.brand__fallback { display: none; }
.brand__svg { display: none; } /* 默认隐藏 SVG placeholder，JS 会根据图片加载状态切换 */

.primary-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.primary-nav__item {
  position: relative; height: 36px; padding: 0 14px; border-radius: 10px;
  font-size: 14px; color: var(--c-text-2);
  transition: color 180ms ease, background 180ms ease;
}
.primary-nav__item:hover { color: var(--c-text-1); background: rgba(255, 255, 255, 0.07); }
.primary-nav__item.is-active { color: var(--c-text-1); background: rgba(255, 255, 255, 0.1); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18); }

.top-nav__actions { display: flex; align-items: center; gap: 10px; }

/* "立即咨询"按钮关联微信二维码:hover/focus 弹出玻璃 popover */
.nav-qr-trigger {
  position: relative;
  display: inline-flex;
}
.nav-qr-popover {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;                          /* 居中于按钮(无论按钮宽度) */
  width: 220px;
  padding: 14px 14px 12px;
  border-radius: 14px;
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border-strong);
  backdrop-filter: blur(var(--glass-blur-strong)) saturate(170%);
  -webkit-backdrop-filter: blur(var(--glass-blur-strong)) saturate(170%);
  box-shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -6px);   /* X 居中 + Y 上偏移 */
  transition: opacity .2s ease, transform .2s ease, visibility 0s linear .2s;
  z-index: 60;          /* 高于 top-nav sticky 层级 */
  pointer-events: none;
}
/* 顶部小箭头指向按钮(居中) */
.nav-qr-popover::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  width: 12px;
  height: 12px;
  background: inherit;
  border-top: 1px solid var(--glass-border-strong);
  border-left: 1px solid var(--glass-border-strong);
  transform: translateX(-50%) rotate(45deg);
  backdrop-filter: blur(var(--glass-blur-strong));
  -webkit-backdrop-filter: blur(var(--glass-blur-strong));
}
/* hover 桌面端 / focus-within 移动端都触发 */
.nav-qr-trigger:hover .nav-qr-popover,
.nav-qr-trigger:focus-within .nav-qr-popover {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  transition: opacity .2s ease, transform .2s ease, visibility 0s;
  pointer-events: auto;
}
/* modifier:.nav-qr-trigger--up 让 popover 向上弹(用于底部按钮,避免溢出 footer) */
.nav-qr-trigger--up .nav-qr-popover {
  top: auto;
  bottom: calc(100% + 14px);
  transform: translate(-50%, 6px);   /* 初始下偏移,hover 时归零 */
}
.nav-qr-trigger--up:hover .nav-qr-popover,
.nav-qr-trigger--up:focus-within .nav-qr-popover {
  transform: translate(-50%, 0);
}
/* 箭头从顶部改为底部,边框方向翻转 */
.nav-qr-trigger--up .nav-qr-popover::before {
  top: auto;
  bottom: -6px;
  border-top: 0;
  border-left: 0;
  border-bottom: 1px solid var(--glass-border-strong);
  border-right: 1px solid var(--glass-border-strong);
}
.nav-qr-popover__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
  background: #fff;     /* 二维码白底,确保识别 */
  padding: 4px;
}
.nav-qr-popover__tip {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--c-text-2);
  letter-spacing: 0.04em;
}

/* =============== section =============== */
section { position: relative; padding: var(--sp-9) 32px; max-width: 1440px; margin: 0 auto; }
.section-head { max-width: 760px; margin: 0 auto var(--sp-8); text-align: center; }
/* 三个业务板块(跨境电商/金融量化/数字化服务)section-head 左对齐 */
.case--ecom > .section-head,
.case--quant > .section-head,
.services > .section-head {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
  max-width: none;
}
.case--ecom > .section-head .section-lede,
.case--quant > .section-head .section-lede,
.services > .section-head .section-lede {
  margin-left: 0;
  margin-right: 0;
  max-width: 640px;
}
/* 金融量化 Agent 标题单独居右 */
.case--quant > .section-head { text-align: right; }
.case--quant > .section-head .section-lede { margin-left: auto; }
.section-head--row {
  max-width: 100%;
  display: flex; align-items: flex-end; justify-content: space-between; gap: 32px;
  text-align: left; margin-bottom: var(--sp-7);
}
.section-title { margin: 18px 0 14px; font-size: 40px; line-height: 1.2; font-weight: 700; letter-spacing: -0.01em; }
.section-lede { margin: 0; font-size: 16px; line-height: 1.65; color: var(--c-text-2); }
.grad-text {
  background: linear-gradient(120deg, #4F8BFF 0%, #B45BFF 50%, #FF4F8B 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* =============== Hero =============== */
.hero { padding-top: 80px; padding-bottom: 64px; }
.hero__inner { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero__copy { display: flex; flex-direction: column; gap: 22px; }
.hero__title { margin: 4px 0 0; font-size: 64px; line-height: 1.1; font-weight: 700; letter-spacing: -0.02em; }
.hero__lede { margin: 0; max-width: 560px; font-size: 17px; line-height: 1.7; color: var(--c-text-2); }
.hero__ctas { display: flex; gap: 12px; margin-top: 6px; }
.hero__stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  margin-top: 28px; padding-top: 28px; border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.hero__stats li { display: flex; flex-direction: column; gap: 4px; }

/* 数字 + 单位 拆分结构:抗后端动态数据 */
.hero__stats .stat-num {
  display: flex; align-items: baseline;
  font-size: clamp(20px, 2vw, 28px); font-weight: 700;
  font-family: var(--ff-mono);
  font-variant-numeric: tabular-nums; /* 等宽数字,位数变化不抖列宽 */
  letter-spacing: -0.02em;
  min-width: 0;          /* flex 子项允许收缩 */
  overflow: hidden;      /* 极端超长数字兜底 */
}
/* 渐变文字:同时应用到 digit 和 unit(子元素不继承 background-clip:text) */
.hero__stats .stat-num__digit,
.hero__stats .stat-num__unit {
  background: linear-gradient(135deg, #fff 0%, #B5C7FF 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero__stats .stat-num__digit {
  display: inline-block;
  white-space: nowrap;
}
.hero__stats .stat-num__unit {
  display: inline-block;
  font-size: 0.55em;     /* 单位比数字小,层次分明 */
  opacity: 0.85;          /* 整体透明度(渐变也变淡,体现次要感) */
  margin-left: 1px;
  flex-shrink: 0;        /* 数字超长时不挤压单位 */
}
.hero__stats .stat-label { font-size: 12px; color: var(--c-text-3); letter-spacing: 0.04em; }

.hero__visual { position: relative; display: flex; justify-content: center; }
.hero-glass {
  width: 100%; max-width: 540px; border-radius: 22px; padding: 18px;
  background: var(--glass-bg-strong); border-color: var(--glass-border-strong);
  backdrop-filter: blur(var(--glass-blur-strong)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--glass-blur-strong)) saturate(180%);
  box-shadow: 0 40px 80px -20px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transform: perspective(1400px) rotateY(-6deg) rotateX(2deg);
  transition: transform 400ms ease;
}
.hero-glass:hover { transform: perspective(1400px) rotateY(-2deg) rotateX(1deg); }
.hero-glass__top { display: flex; align-items: center; gap: 8px; padding: 8px 10px 14px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); margin-bottom: 14px; }
.hero-glass__top .dot { width: 10px; height: 10px; border-radius: 50%; background: #555; }
.hero-glass__top .dot--r { background: #FF5F57; }
.hero-glass__top .dot--y { background: #FEBC2E; }
.hero-glass__top .dot--g { background: #28C840; }
.hero-glass__title { margin-left: 10px; font-size: 12px; color: var(--c-text-3); letter-spacing: 0.06em; font-family: var(--ff-mono); }
.hero-glass__status { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; font-size: 11px; color: var(--c-brand-cyan); font-family: var(--ff-mono); }
.hero-glass__status .pulse { width: 6px; height: 6px; border-radius: 50%; background: var(--c-brand-cyan); box-shadow: 0 0 8px var(--c-brand-cyan); animation: pulse-dot 1.6s ease-in-out infinite; }
.hero-glass__body { display: flex; flex-direction: column; gap: 10px; }

.console-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px; font-size: 12px;
}
.console-tag { flex-shrink: 0; width: 52px; text-align: center; padding: 3px 0; background: rgba(79, 139, 255, 0.15); border: 1px solid rgba(79, 139, 255, 0.3); color: #B5C7FF; border-radius: 6px; font-size: 10px; letter-spacing: 0.04em; }
.console-val { color: var(--c-text-2); font-family: var(--ff-mono); }
.console-val--ok { color: #5BE5A4; }

.console-bar { position: relative; height: 6px; background: rgba(255, 255, 255, 0.06); border-radius: 3px; overflow: hidden; margin: 4px 4px 8px; }
.console-bar__fill { position: absolute; inset: 0; width: 72%; background: linear-gradient(90deg, #4F8BFF, #FF4F8B); border-radius: 3px; }
.console-bar__shimmer { position: absolute; top: 0; left: -40%; width: 40%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent); animation: shimmer 2.4s ease-in-out infinite; }
@keyframes shimmer { 0% { left: -40%; } 100% { left: 140%; } }

.console-list { display: flex; flex-direction: column; gap: 8px; }
.console-list li {
  display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto;
  column-gap: 12px; align-items: center;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  transition: background 200ms ease, border-color 200ms ease;
}
.console-list li:hover { background: rgba(255, 255, 255, 0.07); border-color: rgba(255, 255, 255, 0.18); }
.console-list__name { font-size: 13px; font-weight: 500; color: var(--c-text-1); }
.console-list__meta { grid-column: 1 / 2; font-size: 11px; color: var(--c-text-3); }
.console-list__chip { grid-row: 1 / 3; grid-column: 2 / 3; align-self: center; padding: 3px 10px; font-size: 10px; border-radius: 999px; background: rgba(91, 229, 164, 0.15); color: #5BE5A4; border: 1px solid rgba(91, 229, 164, 0.3); }
.console-list__chip--idle { background: rgba(255, 255, 255, 0.05); color: var(--c-text-3); border-color: rgba(255, 255, 255, 0.12); }

/* =============== 板块背景光晕（差异化但同色系：蓝/青/工业橙，与 hero 头部 page-bg 同源） =============== */
.capabilities { position: relative; isolation: isolate; }
.capabilities::before {
  content: "";
  position: absolute;
  top: -120px; left: 4%;
  width: 580px; height: 400px;
  background:
    radial-gradient(ellipse 50% 55% at 25% 40%, var(--glow-blue), transparent 70%),
    radial-gradient(ellipse 45% 40% at 75% 60%, var(--glow-cyan), transparent 70%);
  pointer-events: none;
  z-index: -1;
}
.case--ecom { position: relative; isolation: isolate; }
.case--ecom::before {
  content: "";
  position: absolute;
  top: -80px; right: 6%;
  width: 540px; height: 360px;
  background: radial-gradient(ellipse, var(--glow-orange), transparent 70%);
  pointer-events: none;
  z-index: -1;
}
.case--quant { position: relative; isolation: isolate; }
.case--quant::before {
  content: "";
  position: absolute;
  top: -40px; left: 30%;
  width: 420px; height: 280px;
  background: radial-gradient(ellipse, var(--glow-cyan), transparent 70%);
  pointer-events: none;
  z-index: -1;
}
.services { position: relative; isolation: isolate; }
.services::before {
  content: "";
  position: absolute;
  top: -40px; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 220px;
  background: radial-gradient(ellipse, var(--glow-blue), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* =============== 核心能力 =============== */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.glass-card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  border: 1px solid transparent;
  border-radius: var(--r-lg);
  padding: 26px;
  box-shadow: var(--glass-shadow);
  transition:
    transform 320ms cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 320ms cubic-bezier(0.4, 0, 0.2, 1),
    background 320ms ease;
}
/* 渐变边框层（mask-composite 实现） */
.glass-card::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--card-border-grad);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  opacity: 0.95;
  transition: opacity 320ms ease;
}
/* 卡片左上角高光层（保留原设计） */
.glass-card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.10) 0%, rgba(255, 255, 255, 0) 45%);
}
.glass-card:hover {
  transform: translateY(-6px);
  background: var(--glass-bg-strong);
  box-shadow: var(--card-glow);
}
.glass-card:hover::after { opacity: 1; }

/* =============== 核心能力 cap-card（v2：6 张主题色差异化 + hover 反馈 + 微 CTA） =============== */
.cap-card {
  position: relative;
  overflow: hidden;
  display: flex; flex-direction: column; gap: 14px;
  min-height: 240px;
  cursor: pointer;
  /* 主题色变量(默认 cyan,各 cap-card--* 单独覆盖) */
  --art-c1: #4FD8FF;
  --art-shadow: rgba(79, 216, 255, 0.35);
  /* 局部覆盖 :root 渐变边框尾色,避免与 Footer/警示色的工业橙冲突 */
  --card-border-grad: linear-gradient(135deg, rgba(255,255,255,.20) 0%, rgba(255,255,255,.05) 45%, rgba(79,216,255,.14) 100%);
}

/* 6 套主题色(与 case-card/svc-card 命名空间对齐) */
.cap-card--arch          { --art-c1: #4FD8FF; --art-shadow: rgba(79, 216, 255, 0.35); }
.cap-card--deploy        { --art-c1: #8B5CF6; --art-shadow: rgba(139, 92, 246, 0.35); }
.cap-card--skills        { --art-c1: #10B981; --art-shadow: rgba(16, 185, 129, 0.35); }
.cap-card--orchestration { --art-c1: #FF4F8B; --art-shadow: rgba(255, 79, 139, 0.35); }
.cap-card--data          { --art-c1: #F59E0B; --art-shadow: rgba(245, 158, 11, 0.35); }
.cap-card--delivery      { --art-c1: #4F8BFF; --art-shadow: rgba(79, 139, 255, 0.35); }

/* 主题色光晕 + 左侧细线(子元素承载,不与 .glass-card 的 ::before/::after 冲突) */
.cap-card__glow {
  position: absolute; top: -60px; right: -60px;
  width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(circle, var(--art-c1) 0%, transparent 70%);
  opacity: .14; pointer-events: none; z-index: 0;
  transition: opacity .35s, transform .35s;
}
.cap-card__rail {
  position: absolute; left: 0; top: 24px; bottom: 24px;
  width: 2px; border-radius: 0 2px 2px 0;
  background: linear-gradient(180deg, transparent, var(--art-c1), transparent);
  opacity: .35; pointer-events: none; z-index: 1;
  transition: opacity .35s;
}

/* 大小卡主次关系:前 2 张大卡跨 2 列 + 更高 min-height + 大号标题 + hero-glass 风格多层玻璃 */
.cap-grid > .cap-card:nth-child(1),
.cap-grid > .cap-card:nth-child(2) {
  grid-column: span 2;
  min-height: 280px;
  /* 多层玻璃背景（与 hero-glass 一致：左上高光 + 主题色洇染 + 强玻璃） */
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.015) 50%),
    var(--glass-bg-strong);
  backdrop-filter: blur(var(--glass-blur-strong)) saturate(170%);
  -webkit-backdrop-filter: blur(var(--glass-blur-strong)) saturate(170%);
  border-color: color-mix(in srgb, var(--art-c1) 14%, transparent);
  box-shadow:
    0 32px 70px -20px color-mix(in srgb, var(--art-c1) 24%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
}
.cap-grid > .cap-card:nth-child(1) .cap-card__title,
.cap-grid > .cap-card:nth-child(2) .cap-card__title { font-size: 22px; }

/* 图标容器(主题色化) */
.cap-card__icon {
  position: relative; z-index: 2;
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--art-c1) 28%, transparent), color-mix(in srgb, var(--art-c1) 12%, transparent));
  border: 1px solid color-mix(in srgb, var(--art-c1) 35%, transparent);
  color: var(--art-c1);
  transition: background .35s, border-color .35s, color .35s;
}
/* hover 时右上角出现 pulse-dot 装饰（与 hero-glass__status 的 pulse 灯同源） */
.cap-card__icon::after {
  content: "";
  position: absolute; top: -3px; right: -3px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--art-c1);
  box-shadow: 0 0 8px var(--art-c1);
  opacity: 0;
  transition: opacity .35s;
}
.cap-card:hover .cap-card__icon::after {
  opacity: 1;
  animation: pulse-dot 1.6s ease-in-out infinite;
}
.cap-card__title {
  position: relative; z-index: 2;
  margin: 0; font-size: 19px; font-weight: 600; line-height: 1.3;
  color: var(--c-text-1);
}
.cap-card__list {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; gap: 8px;
  flex: 1;
}
.cap-card__list li {
  position: relative; padding-left: 18px;
  font-size: 13.5px; line-height: 1.6;
  color: var(--c-text-2);
}
.cap-card__list li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--art-c1);
  box-shadow: 0 0 6px var(--art-c1);
  transition: transform .25s;
}
.cap-card__desc {
  position: relative; z-index: 2;
  margin: 0; font-size: 13.5px; line-height: 1.65;
  color: var(--c-text-2); flex: 1;
}
.cap-card__foot {
  position: relative; z-index: 2;
  margin: 0; padding-top: 12px;
  border-top: 1px dashed rgba(255, 255, 255, 0.14);
  font-size: 12px; color: var(--c-text-3);
}

/* 微 CTA */
.cap-card__cta {
  position: relative; z-index: 2;
  display: inline-flex; align-items: center; gap: 6px;
  align-self: flex-start;
  margin-top: 4px;
  padding: 0; background: transparent; border: 0;
  font-size: 13px; font-weight: 500; letter-spacing: 0.02em;
  color: var(--art-c1);
  cursor: pointer;
  transition: gap .25s ease, color .25s ease;
}
.cap-card__cta svg { transition: transform .25s ease; }
.cap-card:hover .cap-card__cta { gap: 10px; color: var(--c-text-1); }
.cap-card:hover .cap-card__cta svg { transform: translateX(2px); }

/* Hover:边框变主题色 + 阴影带主题色 + 光晕增强 + 细线增强 + icon 提亮 + 微 CTA 反馈 */
.cap-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--art-c1) 55%, transparent);
  box-shadow: 0 16px 40px -12px var(--art-shadow), inset 0 1px 0 rgba(255,255,255,.08);
  /* 不覆盖 background，保持大小卡各自的多层玻璃背景 */
}
/* 大卡 hover：叠加主题色渊染，保持多层玻璃结构 */
.cap-grid > .cap-card:nth-child(1):hover,
.cap-grid > .cap-card:nth-child(2):hover {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.10) 0%, rgba(255, 255, 255, 0.025) 50%),
    color-mix(in srgb, var(--art-c1) 6%, var(--glass-bg-strong));
  border-color: color-mix(in srgb, var(--art-c1) 35%, transparent);
}
.cap-card:hover .cap-card__glow { opacity: .26; transform: scale(1.12); }
.cap-card:hover .cap-card__rail { opacity: .85; }
.cap-card:hover .cap-card__icon {
  background: linear-gradient(135deg, color-mix(in srgb, var(--art-c1) 38%, transparent), color-mix(in srgb, var(--art-c1) 20%, transparent));
  border-color: color-mix(in srgb, var(--art-c1) 55%, transparent);
  color: #fff;
}
.cap-card:hover .cap-card__list li::before { transform: scale(1.4); }

/* =============== 价值 Band =============== */
.value-band { padding-top: var(--sp-6); padding-bottom: var(--sp-6); }
.glass-card--band {
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  padding: 40px 48px; border-radius: var(--r-xl);
  background: linear-gradient(135deg, rgba(79, 139, 255, 0.18), rgba(255, 79, 139, 0.12)), var(--glass-bg-strong);
  border-color: rgba(255, 255, 255, 0.24);
}
.value-band__title { margin: 0 0 8px; font-size: 32px; line-height: 1.25; font-weight: 700; }
.value-band__lede { margin: 0; font-size: 15px; color: var(--c-text-2); }
.value-band__actions { display: flex; gap: 12px; flex-shrink: 0; }

/* 案例卡（新设计：玻璃质感 + 主题色光晕 + 抽象 SVG 装饰） */
.case-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 220px;
  padding: 24px;
  overflow: hidden;
  isolation: isolate;
  /* 默认主题色为青绿色(各 case-card--* 类可覆盖,金融量化板块已统一) */
  --art-c1: var(--c-brand);
  --art-shadow: rgba(79, 216, 255, 0.3);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.015) 100%),
    rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform .35s cubic-bezier(.2,.7,.2,1), border-color .35s, box-shadow .35s;
}
.case-card::before {
  /* 主题色光晕：从右上角发散 */
  content: ""; position: absolute; top: -60px; right: -60px;
  width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(circle, var(--art-c1) 0%, transparent 70%);
  opacity: .18;
  pointer-events: none;
  z-index: -1;
  transition: opacity .35s, transform .35s;
}
.case-card::after {
  /* 左侧细线点缀 */
  content: ""; position: absolute; left: 0; top: 24px; bottom: 24px;
  width: 2px; border-radius: 0 2px 2px 0;
  background: linear-gradient(180deg, transparent, var(--art-c1), transparent);
  opacity: .35;
  transition: opacity .35s;
}
.case-card:hover {
  transform: translateY(-4px);
  border-color: var(--art-c1);
  box-shadow: 0 12px 32px -8px var(--art-shadow), inset 0 1px 0 rgba(255,255,255,.1);
}
.case-card:hover::before { opacity: .3; transform: scale(1.15); }
.case-card:hover::after { opacity: .8; }
.case-card--wide { min-height: 180px; }

/* 5 套主题色 */
.case-card--cyan {
  --art-c1: #4FD8FF; --art-c2: #4F8BFF;
  --art-shadow: rgba(79, 216, 255, 0.35);
}
.case-card--blue {
  --art-c1: #4F8BFF; --art-c2: #6366F1;
  --art-shadow: rgba(79, 139, 255, 0.35);
}
.case-card--magenta {
  --art-c1: #FF4F8B; --art-c2: #EC4899;
  --art-shadow: rgba(255, 79, 139, 0.35);
}
.case-card--violet {
  --art-c1: #8B5CF6; --art-c2: #A855F7;
  --art-shadow: rgba(139, 92, 246, 0.35);
}
.case-card--amber {
  --art-c1: #F59E0B; --art-c2: #FB923C;
  --art-shadow: rgba(245, 158, 11, 0.35);
}

/* 案例卡装饰 SVG */
.case-card__art {
  position: absolute;
  top: 18px; right: 18px;
  width: 70px; height: 70px;
  color: var(--art-c1);
  opacity: .85;
  pointer-events: none;
  z-index: 0;
}
.case-card__art--wide { width: 110px; height: 60px; top: 30px; right: 28px; }
.case-card__art svg { width: 100%; height: 100%; display: block; }

.case-card__no {
  font-family: var(--ff-mono);
  font-size: 11px;
  color: var(--art-c1);
  letter-spacing: 0.22em;
  margin-bottom: 4px;
  font-weight: 600;
  position: relative;
  z-index: 1;
}
.case-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--c-text-1);
  position: relative;
  z-index: 1;
}
.case-card__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  margin-top: auto;
  position: relative;
  z-index: 1;
}
.case-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-text-2);
}
.case-card__list li::before {
  content: "";
  position: absolute; left: 0; top: 9px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--art-c1);
  box-shadow: 0 0 6px var(--art-c1);
  transition: transform .25s;
}
.case-card:hover .case-card__list li::before { transform: scale(1.4); }

.case__nav, .ins__nav { flex-shrink: 0; }

/* =============== 案例错落网格（统一规范：4 列 · 2+1+1+1+3 铺满 2 行） =============== */
/* 与 cap-grid 错落方案对齐：首张 card 跨 2 列作为 hero，末张 card 跨 3 列作为 wide 总结，中间 3 张单列 */

.case-grid { display: grid; gap: 22px; }

/* 跨境电商案例：5 张卡 = 2+1+1+1+3 铺满 4 列 2 行 */
.case-grid--ecom {
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 1fr;
}
.case-grid--ecom .case-card:nth-child(1) { grid-column: span 2; min-height: 280px; }
.case-grid--ecom .case-card:nth-child(5) { grid-column: span 3; min-height: 0; }

/* 金融量化案例：5 张卡 = 2+1+1+1+3 铺满 4 列 2 行 */
.case-grid--quant {
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 1fr;
}
.case-grid--quant .case-card:nth-child(1) { grid-column: span 2; min-height: 280px; }
.case-grid--quant .case-card:nth-child(5) { grid-column: span 3; min-height: 0; }

/* section-head 右侧统计徽章（与 cap-grid 的“6大能力”右侧统计样式对齐） */
.case-ecom__meta {
  display: flex; flex-direction: column; align-items: flex-end; gap: 6px;
  padding: 14px 22px; border-radius: 14px;
  background: rgba(79, 216, 255, 0.06);
  border: 1px solid rgba(79, 216, 255, 0.22);
  white-space: nowrap; flex-shrink: 0;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.case-ecom__meta-num {
  font-size: 28px; font-weight: 700; line-height: 1;
  background: linear-gradient(135deg, #4FD8FF 0%, #4F8BFF 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-family: var(--ff-mono); letter-spacing: -0.02em;
}
.case-ecom__meta-label { font-size: 12px; color: var(--c-text-3); letter-spacing: 0.04em; }

/* =============== 服务矩阵（1 行 5 列均分） =============== */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
  grid-auto-rows: 1fr;
}
/* 5 张卡片均分，全部 span 1，不再有 hero/wide 特殊处理 */
.svc-grid > .svc-card { grid-column: span 1; min-height: 0; }

.svc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px;
  min-height: 240px;
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.015) 100%),
    rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform .35s cubic-bezier(.2,.7,.2,1), border-color .35s, box-shadow .35s;
}
.svc-card::before {
  /* 主题色光晕：从底部发散 */
  content: ""; position: absolute; bottom: -50px; left: -50px;
  width: 180px; height: 180px; border-radius: 50%;
  background: radial-gradient(circle, var(--art-c1) 0%, transparent 70%);
  opacity: .14;
  pointer-events: none;
  z-index: -1;
  transition: opacity .35s, transform .35s;
}
.svc-card:hover {
  transform: translateY(-4px);
  border-color: var(--art-c1);
  box-shadow: 0 14px 36px -10px var(--art-shadow);
}
.svc-card:hover::before { opacity: .26; transform: scale(1.15); }

.svc-card--cyan   { --art-c1: #4FD8FF; --art-shadow: rgba(79,216,255,0.35); }
.svc-card--blue   { --art-c1: #4F8BFF; --art-shadow: rgba(79,139,255,0.35); }
.svc-card--magenta{ --art-c1: #FF4F8B; --art-shadow: rgba(255,79,139,0.35); }
.svc-card--violet { --art-c1: #8B5CF6; --art-shadow: rgba(139,92,246,0.35); }
.svc-card--amber  { --art-c1: #F59E0B; --art-shadow: rgba(245,158,11,0.35); }

/* 服务卡装饰 SVG（顶部大图） */
.svc-card__art {
  width: 100%;
  height: 60px;
  color: var(--art-c1);
  opacity: .9;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
.svc-card__art svg { width: 100%; height: 100%; max-width: 200px; display: block; }

.svc-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--art-c1) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--art-c1) 35%, transparent);
  color: var(--art-c1);
  margin-top: -4px;
}
.svc-card__title { margin: 0; font-size: 18px; font-weight: 600; color: var(--c-text-1); }
.svc-card__desc { margin: 0; font-size: 13.5px; line-height: 1.6; color: var(--c-text-2); flex: 1; }
.svc-card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.svc-card__tags span {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--art-c1) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--art-c1) 22%, transparent);
  color: var(--c-text-2);
  letter-spacing: 0.02em;
  transition: background .25s, border-color .25s, color .25s;
}
.svc-card:hover .svc-card__tags span {
  background: color-mix(in srgb, var(--art-c1) 15%, transparent);
  border-color: color-mix(in srgb, var(--art-c1) 40%, transparent);
  color: var(--c-text-1);
}

/* =============== 行业洞察（真实图片封面） =============== */
.ins-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.ins-card { display: flex; flex-direction: column; gap: 14px; padding: 0; overflow: hidden; min-height: 340px; }

.ins-card__cover {
  position: relative;
  aspect-ratio: 16/9;  /* 从 2/1 加大到 16/9(电影宽屏),封面更"满" */
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  overflow: hidden;
  background: #0a0e26; /* 图片加载前的占位底色 */
}
.ins-card__placeholder {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: none; /* 默认隐藏 SVG，JS 会按需切换 */
  z-index: 1;
}
.ins-card__cover img {
  position: absolute; inset: 0; z-index: 2;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 600ms cubic-bezier(.2,.7,.2,1); /* 缓动更顺滑 */
}
.ins-card:hover .ins-card__cover img { transform: scale(1.10); } /* 放大 6% → 10% */
.ins-card__cover-mask {
  position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(7, 9, 26, 0) 50%, rgba(7, 9, 26, 0.7) 100%),
    linear-gradient(135deg, rgba(79, 139, 255, 0.1), transparent 60%);
}
.ins-card__cat {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  font-size: 11px; padding: 4px 10px; border-radius: 999px;
  background: rgba(0, 0, 0, 0.5); color: #fff;
  letter-spacing: 0.04em; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.16);
}
.ins-card__date {
  position: absolute; bottom: 14px; right: 14px; z-index: 2;
  font-family: var(--ff-mono); font-size: 11px; color: rgba(255, 255, 255, 0.9);
  padding: 3px 8px; border-radius: 4px;
  background: rgba(0, 0, 0, 0.4); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.ins-card__title { margin: 0; padding: 16px 20px 0; font-size: 16px; line-height: 1.5; font-weight: 600; color: var(--c-text-1); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ins-card__excerpt { margin: 0; padding: 0 20px 20px; font-size: 13px; line-height: 1.65; color: var(--c-text-3); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* -------- ins-card--overlay:图片完整 + 标题描述玻璃半透明覆盖在底部 --------
   用于新闻列表第 1 篇(预览放大效果)。其他卡片保留默认布局。 */
.ins-card--overlay {
  position: relative;
  min-height: 380px;       /* 略高于默认 340,让 overlay 标题描述更舒展 */
}
.ins-card--overlay .ins-card__cover {
  position: absolute; inset: 0;
  aspect-ratio: auto;       /* 取消默认 16:9,cover 占满整张 card */
  height: 100%;
  border-bottom: 0;
  border-radius: var(--r-lg);
}
.ins-card--overlay .ins-card__cover img {
  width: 100%; height: 100%;
  object-fit: cover;       /* 铺满,允许裁剪(图片占满卡片) */
}
.ins-card--overlay .ins-card__overlay {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 18px 20px 20px;
  background:
    linear-gradient(180deg, rgba(7, 9, 26, 0) 0%, rgba(7, 9, 26, 0.55) 45%, rgba(7, 9, 26, 0.88) 100%);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  color: #fff;
  z-index: 2;
}
.ins-card--overlay .ins-card__meta-row {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 10px;
}
.ins-card--overlay .ins-card__cat {
  position: static;          /* 覆盖默认 absolute */
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  margin: 0;
}
.ins-card--overlay .ins-card__date {
  position: static;          /* 覆盖默认 absolute */
  background: transparent;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}
.ins-card--overlay .ins-card__title {
  margin: 0 0 6px;
  padding: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: #fff;
  -webkit-line-clamp: 2;
}
.ins-card--overlay .ins-card__excerpt {
  margin: 0;
  padding: 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  -webkit-line-clamp: 2;
}

/* =============== Footer v3（分层重构：分隔层 + 主体层 + 底部层） =============== */
.site-footer {
  position: relative;
  background-color: var(--c-bg-0);
  background-image:
    radial-gradient(circle at 15% 12%, rgba(79, 139, 255, 0.14), transparent 55%),
    radial-gradient(circle at 85% 50%, rgba(79, 216, 255, 0.10), transparent 55%),
    radial-gradient(circle at 50% 105%, rgba(255, 107, 26, 0.06), transparent 60%),
    linear-gradient(180deg, transparent 0%, rgba(7, 9, 26, 0.65) 8%, rgba(7, 9, 26, 0.96) 100%);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center top;
  color: var(--c-text-1);
  padding: 0;
}

/* ========== 分隔层 ========== */
.site-footer__divider {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 56px 32px 36px;
  position: relative;
}
.site-footer__divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12) 30%, rgba(255, 255, 255, 0.12) 70%, transparent);
}
.site-footer__divider-mark {
  font-family: var(--ff-mono);
  font-size: 14px;
  font-weight: 300;
  color: var(--c-brand);
  line-height: 1;
}
.site-footer__divider-mark--start { opacity: 0.5; }
.site-footer__divider-mark--end { opacity: 0.5; }
.site-footer__divider-badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: var(--c-bg-1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-text-2);
  white-space: nowrap;
}

/* ========== 主体层 ========== */
.site-footer__main {
  padding-bottom: 24px;
}

.site-footer__container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 32px;
}

/* 主体网格：品牌列 + 链接区 */
.site-footer__grid {
  display: grid;
  grid-template-columns: minmax(300px, 340px) 1fr;
  gap: 56px;
  padding-bottom: 56px;
}

/* ===== 品牌列 ===== */
.site-footer__brand-img {
    position: relative;
    display: block;
    width: max-content;
    height: 42px;
    margin: 0 0 16px;
  }
  .site-footer__brand-img img {
    display: block;
    height: 42px;
    width: auto;
  }
.site-footer__brand-desc {
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-text-3);
  margin: 0 0 24px;
}

/* 联系信息（电话 / 邮箱 / 地址） */
.site-footer__contact {
  display: flex; flex-direction: column; gap: 10px;
  margin: 0 0 24px; padding: 0; list-style: none;
}
.site-footer__contact li {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--c-text-2);
}
.site-footer__contact svg { color: var(--c-brand); flex-shrink: 0; opacity: 0.7; }

/* 社交按钮（玻璃质感圆形） */
.site-footer__socials { display: flex; gap: 12px; }
.site-footer__social {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--c-text-3);
  cursor: pointer;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease, transform 200ms ease;
}
.site-footer__social:hover {
  background: rgba(79, 216, 255, 0.10);
  border-color: rgba(79, 216, 255, 0.40);
  color: var(--c-brand);
  transform: translateY(-1px);
}

/* ===== 链接列 ===== */
.site-footer__links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.site-footer__col-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-1);
  margin: 0 0 14px;
  letter-spacing: 0.04em;
  position: relative;
  padding-bottom: 6px;
}
.site-footer__col-title::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 18px; height: 2px;
  background: var(--c-brand);
  border-radius: 1px;
  opacity: 0.85;
}
.site-footer__col-list {
  display: flex; flex-direction: column;
  gap: 2px;
  list-style: none; padding: 0; margin: 0;
}
.site-footer__col-list li { margin: 0; }
.site-footer__col-list button {
  position: relative;
  display: inline-flex; align-items: center;
  padding: 6px 0;
  background: none; border: none;
  font-size: 13.5px;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--c-text-3);
  cursor: pointer;
  transition: color 220ms ease;
}
/* 注:已去除原 footer 链接 hover 的 ::after 下划线竖条 + transform: translateX(3px) 装饰效果
   仅保留文字颜色变化以维持可点击反馈 */
.site-footer__col-list button:hover {
  color: var(--c-text-1);
}

/* ===== 底部版权备案层 ===== */
.site-footer__bottom {
  position: relative;
  padding: 28px 0;
  background: rgba(0, 0, 0, 0.35);
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  /* 轻微内阴影，标识这是独立的底部层 */
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.site-footer__bottom-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.site-footer__copy p {
  margin: 0;
  font-size: 12px;
  color: var(--c-text-3);
  letter-spacing: 0.02em;
}
.site-footer__legal { display: flex; gap: 20px; flex-wrap: wrap; }
.site-footer__legal button {
  display: inline-flex; align-items: center; gap: 6px;
  background: none; border: none;
  font-size: 12px; color: var(--c-text-3);
  cursor: pointer; padding: 4px 0;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}
.site-footer__legal button:hover {
  color: var(--c-text-1);
  text-decoration-color: var(--c-brand);
}

/* ===== Footer 响应式 ===== */
/* =============== 响应式 =============== */

/* ≤1280px 中等屏(笔记本小屏 / iPad Pro 横屏) */
@media (max-width: 1280px) {
  section { padding: 80px 24px; }
  .top-nav { padding: 16px 24px 0; }
  .top-nav__inner { gap: 18px; padding: 10px 18px; }
  .hero__inner { gap: 36px; }
  .hero__title { font-size: 56px; }
  .section-title { font-size: 34px; }
  .site-footer__container { padding: 0 24px; }
}

/* ≤960px 平板(iPad / Android 横屏) */
@media (max-width: 960px) {
  section { padding: 64px 20px; }
  .top-nav { padding: 14px 20px 0; }
  .top-nav__inner { padding: 10px 14px; gap: 12px; border-radius: 14px; }
  .primary-nav__item { padding: 0 10px; font-size: 13px; height: 32px; }
  .brand__img { height: 30px; }
  .hero__inner { grid-template-columns: 1fr; gap: 32px; }
  .hero__title { font-size: 44px; }
  .hero__lede { font-size: 15px; }
  .hero__stats { gap: 18px 28px; }
  .section-title { font-size: 30px; }
  .section-head { margin-bottom: 40px; }

  /* 原有 cap/case/svc/footer 网格降级规则保留(行 1308-1323) */
  /* 重置案例卡的错落 span 与 min-height(基础规则 nth-child 优先级更高,需显式覆盖) */
  .case-grid--ecom .case-card:nth-child(1),
  .case-grid--ecom .case-card:nth-child(5),
  .case-grid--quant .case-card:nth-child(1),
  .case-grid--quant .case-card:nth-child(5) {
    grid-column: span 1;
    min-height: 0;
  }

  /* 板块背景光晕在中等屏幕下减弱 */
  .capabilities::before,
  .case--ecom::before,
  .case--quant::before,
  .services::before { width: 280px; height: 180px; opacity: 0.7; }

  /* 行业洞察:3 列 → 2 列 */
  .ins-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ≤540px 移动端(手机竖屏) */
@media (max-width: 540px) {
  section { padding: 48px 16px; }
  .top-nav { padding: 10px 12px 0; }
  .top-nav__inner { padding: 8px 10px; gap: 8px; border-radius: 12px; }
  /* 主导航:横向滚动展示(替代原 display:none,移动端可看到所有板块) */
  .primary-nav {
    display: flex;
    margin-left: 0;
    flex: 1;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    -ms-overflow-style: none;
    gap: 2px;
    -webkit-overflow-scrolling: touch;
  }
  .primary-nav::-webkit-scrollbar { display: none; }
  .primary-nav__item {
    font-size: 12px;
    height: 30px;
    padding: 0 9px;
    flex-shrink: 0;
    white-space: nowrap;
  }
  .brand__img { height: 24px; }
  .top-nav__actions { gap: 6px; }   /* 顶栏动作区间距收紧 */
  /* Hero 区两个 CTA 按钮统一小尺寸(修复 btn-secondary 漏覆盖导致大小不一致) */
  .hero__ctas .btn-primary,
  .hero__ctas .btn-secondary {
    padding: 0 12px;
    height: 30px;
    font-size: 12px;
    border-radius: 10px;
  }
  .hero__ctas .btn-primary span,
  .hero__ctas .btn-secondary span { font-size: 12px; }
  /* 顶栏 CTA「立即咨询」紧凑盒子:与主导航协调 */
  .top-nav .btn-primary,
  .top-nav .btn-primary span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 10px;
    height: 28px;
    line-height: 1;             /* 修复:line-height 强制等于 1,避免 button 默认 normal 行高导致基线偏移 */
    font-size: 11.5px;
    border-radius: 8px;
    gap: 6px;
  }
  /* 同步:主导航项高度与按钮对齐,视觉统一 */
  .primary-nav__item { height: 28px; }

  /* 二维码 popover 移动端位置修正:贴右防止溢出 */
  .nav-qr-popover {
    left: auto;
    right: 0;
    transform: translate(0, -6px);
  }
  .nav-qr-trigger:hover .nav-qr-popover,
  .nav-qr-trigger:focus-within .nav-qr-popover { transform: translate(0, 0); }
  .nav-qr-popover::before {
    left: auto;
    right: 28px;
    transform: translateX(0) rotate(45deg);
  }

  .hero__title { font-size: 34px; }
  .hero__lede { font-size: 14px; }
  .hero__stats { gap: 14px 22px; }
  .hero__stats .stat-num__digit { font-size: 26px; }
  .section-title { font-size: 24px; line-height: 1.25; }
  .section-lede { font-size: 14px; }
  .section-head { margin-bottom: 28px; }

  /* 卡片内边距收紧 */
  .cap-card, .case-card, .svc-card { padding: 18px; min-height: 0 !important; }

  /* 原有 cap/case/svc 单列降级 */
  .cap-grid { grid-template-columns: 1fr; }
  .cap-grid > .cap-card:nth-child(1),
  .cap-grid > .cap-card:nth-child(2) { grid-column: span 1; min-height: 0; }
  .case-grid--ecom { grid-template-columns: 1fr; }
  .case-grid--ecom .case-card:nth-child(1),
  .case-grid--ecom .case-card:nth-child(5) { grid-column: span 1; min-height: 0; }
  .case-grid--quant { grid-template-columns: 1fr; }
  .case-grid--quant .case-card { grid-column: span 1; min-height: 0; }
  /* 移动端彻底重置金融量化案例的错落规则(基础 span 2/3 与 min-height 280) */
  .case-grid--quant .case-card:nth-child(1),
  .case-grid--quant .case-card:nth-child(5) {
    grid-column: span 1;
    min-height: 0;
  }
  .svc-grid { grid-template-columns: 1fr; }

  /* 行业洞察:2 列 → 1 列,卡片高度放开 */
  .ins-grid { grid-template-columns: 1fr; }
  .ins-card { min-height: 0; }

  /* footer - 高度压缩 */
  .site-footer__divider { padding: 36px 16px 16px; gap: 12px; }
  .site-footer__divider-mark { font-size: 12px; }
  .site-footer__divider-badge { font-size: 9px; letter-spacing: 0.10em; padding: 4px 10px; }
  .site-footer__container { padding: 0 16px; }
  .site-footer__main { padding-bottom: 16px; }
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 28px;
  }
  .site-footer__brand-img { height: 36px; margin-bottom: 12px; }
  .site-footer__brand-img img { height: 36px; }
  .site-footer__brand-desc { font-size: 12.5px; margin-bottom: 16px; }
  .site-footer__contact { margin-bottom: 16px; gap: 8px; }
  .site-footer__contact li { font-size: 12.5px; }
  /* 链接列保持 2 列(节省垂直高度,4 列单列堆叠会过高) */
  .site-footer__links {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px 18px;
  }
  .site-footer__col-title { font-size: 12px; margin-bottom: 8px; }
  .site-footer__col-list button { font-size: 12.5px; padding: 3px 0; }
  .site-footer__bottom { padding: 18px 0; }
  .site-footer__copy p { font-size: 11px; }
  .site-footer__legal { gap: 14px; }
  .site-footer__social { width: 32px; height: 32px; }
}

/* ≤380px 超小屏(iPhone SE 等) */
@media (max-width: 380px) {
  .hero__title { font-size: 30px; }
  .hero__ctas { flex-direction: column; gap: 10px; }
  .hero__ctas .btn-primary,
  .hero__ctas .btn-secondary { width: 100%; justify-content: center; }
  .hero__stats { gap: 12px 16px; }

  /* footer - 超小屏:链接列才降为单列 */
  .site-footer__divider {
    padding: 28px 12px 14px;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
  }
  .site-footer__divider-mark--start,
  .site-footer__divider-mark--end { display: none; }   /* 隐藏两侧 + mark,避免溢出 */
  .site-footer__divider-badge { font-size: 8.5px; letter-spacing: 0.08em; padding: 3px 8px; }
  .site-footer__links { grid-template-columns: 1fr; gap: 18px; }
}

/* 兼容旧 footer-* class 选择器(无视觉影响,避免潜在样式泄露) */
.footer-logo, .footer-logo-svg,
.footer, .footer__container, .footer__grid,
.footer__brand, .footer__brand-name, .footer__brand-desc,
.footer__socials, .footer__social,
.footer__links, .footer__col, .footer__col-title, .footer__col-list,
.footer__bottom, .footer__copy, .footer__legal { display: none; }
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ============================================================
   新闻页特有样式(news-list.html / news-detail.html 复用)
   ============================================================ */

/* -------- 新闻页 Hero(列表页/详情页通用) -------- */
.news-hero {
  padding: var(--sp-9) 32px var(--sp-7);
  max-width: 1440px; margin: 0 auto;
}
.news-hero__inner {
  text-align: center;
  max-width: 880px; margin: 0 auto;
}
.news-hero__title {
  margin: 18px 0 16px;
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--c-text-1);
}
.news-hero__lede {
  margin: 0;
  font-size: 17px;
  line-height: 1.7;
  color: var(--c-text-2);
}

/* -------- 文章网格容器(列表页) -------- */
.news-grid-section { padding: 0 32px 80px; max-width: 1440px; margin: 0 auto; }
.news-grid-section__inner { display: flex; flex-direction: column; gap: var(--sp-8); }

/* ins-card__cover 已有背景色与渐变蒙版,这里只补充配色微调,避免改动全局 */
.news-grid-section .ins-card__cover {
  background: linear-gradient(135deg, rgba(79, 139, 255, 0.18) 0%, rgba(79, 216, 255, 0.06) 100%),
              radial-gradient(circle at 30% 30%, rgba(79, 216, 255, 0.18), transparent 60%),
              #0a0e26;
}

/* -------- 分页 -------- */
.news-pagination {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding-top: 16px;
}
.news-page {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 36px; height: 36px; padding: 0 10px; border-radius: 10px;
  background: transparent; border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--ff-mono); font-size: 13px; color: var(--c-text-2);
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}
.news-page:hover { color: var(--c-text-1); background: rgba(255, 255, 255, 0.05); border-color: rgba(255, 255, 255, 0.12); }
.news-page.is-active {
  color: var(--c-brand); background: rgba(79, 216, 255, 0.10);
  border-color: rgba(79, 216, 255, 0.32);
}
.news-page.is-disabled, .news-page[disabled] { opacity: 0.35; cursor: not-allowed; pointer-events: none; }
.news-page--ellipsis { cursor: default; pointer-events: none; opacity: 0.5; }
.news-page--nav { padding: 0 8px; }

/* ============================================================
   详情页特有样式(news-detail.html)
   ============================================================ */

/* -------- 文章 Hero -------- */
.article-hero { padding: var(--sp-8) 32px var(--sp-7); max-width: 1440px; margin: 0 auto; }
.article-hero__inner { max-width: 1440px; margin: 0 auto; text-align: left; }

.article-breadcrumb {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 22px;
  font-size: 13px; color: var(--c-text-3);
}
.article-breadcrumb button {
  background: transparent; border: 0; padding: 0;
  font-family: inherit; font-size: inherit; color: var(--c-text-3);
  cursor: pointer; transition: color 160ms ease;
}
.article-breadcrumb button:hover { color: var(--c-text-1); }
.article-breadcrumb span { color: rgba(255, 255, 255, 0.18); }

.article-meta {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-bottom: 18px;
  font-size: 13px; color: var(--c-text-3);
}
.article-meta__chip {
  display: inline-flex; align-items: center;
  padding: 4px 12px; border-radius: 999px;
  font-size: 12px; letter-spacing: 0.04em;
}
.article-meta__chip--cat {
  background: rgba(79, 216, 255, 0.12);
  color: var(--c-brand);
  border: 1px solid rgba(79, 216, 255, 0.28);
}
.article-meta__time { font-family: var(--ff-mono); }
.article-meta__sep { color: rgba(255, 255, 255, 0.2); }

.article-hero__title {
  margin: 0 0 20px;
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--c-text-1);
}
.article-hero__lede {
  margin: 0 0 28px;
  font-size: 17px; line-height: 1.75; color: var(--c-text-2);
}
.article-hero__author {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 18px;
  border-radius: 12px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  max-width: 480px;
}
.article-author__avatar {
  width: 40px; height: 40px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(79, 216, 255, 0.4), rgba(79, 139, 255, 0.4));
  color: #fff; font-weight: 600; font-size: 16px;
  flex-shrink: 0;
}
.article-author__info { display: flex; flex-direction: column; gap: 2px; line-height: 1.4; }
.article-author__info strong { color: var(--c-text-1); font-size: 14px; font-weight: 600; }
.article-author__info span { color: var(--c-text-3); font-size: 12px; }

/* -------- 正文 typography -------- */
.article-body {
  max-width: 1440px; margin: 0 auto;
  padding: 0 32px var(--sp-9);
  font-size: 16px; line-height: 1.85;
  color: var(--c-text-2);
}
.article-body > * + * { margin-top: 1.4em; }
.article-body p { margin: 0; }
.article-body strong { color: var(--c-text-1); font-weight: 600; }
.article-body em { color: var(--c-text-1); font-style: italic; }
.article-body .article-lead {
  font-size: 19px; line-height: 1.7;
  color: var(--c-text-1);
  border-left: 3px solid var(--c-brand);
  padding-left: 18px;
  margin: 0 0 1.4em;
}
.article-body h2 {
  margin: 56px 0 16px;
  font-size: 24px; font-weight: 700; line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--c-text-1);
}
.article-body h3 {
  margin: 40px 0 12px;
  font-size: 19px; font-weight: 600;
  color: var(--c-text-1);
}
.article-body ul, .article-body ol {
  padding-left: 1.4em; margin: 0;
}
.article-body li { margin: 0.5em 0; }
.article-body li::marker { color: var(--c-brand); }
.article-body blockquote {
  margin: 32px 0;
  padding: 18px 22px;
  border-left: 3px solid var(--c-brand);
  border-radius: 0 12px 12px 0;
  background: rgba(79, 216, 255, 0.04);
  font-style: italic;
  color: var(--c-text-1);
}
.article-body blockquote p { margin: 0; }
.article-body blockquote cite {
  display: block; margin-top: 10px;
  font-size: 13px; font-style: normal; color: var(--c-text-3);
}

.article-figure {
  margin: 32px 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
}
.article-figure__placeholder {
  display: flex; align-items: center; justify-content: center;
  height: 240px;
  background:
    linear-gradient(135deg, rgba(79, 139, 255, 0.10), rgba(79, 216, 255, 0.04)),
    repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(255,255,255,0.02) 20px, rgba(255,255,255,0.02) 40px);
  color: var(--c-text-3); font-family: var(--ff-mono); font-size: 13px;
}
.article-figure figcaption {
  padding: 12px 18px; font-size: 13px; color: var(--c-text-3);
  border-top: 1px solid var(--glass-border);
  background: rgba(0, 0, 0, 0.15);
}

.article-signature {
  margin-top: 56px !important;
  padding-top: 20px;
  border-top: 1px solid var(--glass-border);
  font-size: 14px; color: var(--c-text-3);
  text-align: right;
}

/* -------- 文章底部:标签 + 分享 -------- */
.article-footer {
  margin-top: 56px !important;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
}
.article-tags { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.article-tags__label { font-size: 13px; color: var(--c-text-3); margin-right: 4px; }
.article-tag {
  height: 28px; padding: 0 12px; border-radius: 999px;
  background: rgba(79, 216, 255, 0.06);
  border: 1px solid rgba(79, 216, 255, 0.20);
  color: var(--c-brand); font-size: 12px;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease;
}
.article-tag:hover { background: rgba(79, 216, 255, 0.14); border-color: rgba(79, 216, 255, 0.40); }

.article-share { display: inline-flex; align-items: center; gap: 8px; }
.article-share__label { font-size: 13px; color: var(--c-text-3); margin-right: 4px; }
.article-share__btn {
  width: 32px; height: 32px; padding: 0; border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
  color: var(--c-text-2);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}
.article-share__btn:hover {
  color: var(--c-brand);
  background: rgba(79, 216, 255, 0.08);
  border-color: rgba(79, 216, 255, 0.30);
}

/* -------- 上一篇 / 下一篇 -------- */
.article-nav {
  padding: 32px;
  max-width: 1440px; margin: 0 auto;
}
.article-nav__inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  max-width: 1440px; margin: 0 auto;
}
.article-nav__item {
  display: flex; align-items: center; gap: 14px;
  padding: 20px 24px;
  min-height: 88px;
  border-radius: 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  cursor: pointer;
  text-decoration: none; color: var(--c-text-2);
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease, transform 200ms ease;
}
.article-nav__item--prev { justify-content: flex-start; text-align: left; }
.article-nav__item--next { justify-content: flex-end; text-align: right; }
.article-nav__item:not(.is-disabled):hover {
  border-color: rgba(79, 216, 255, 0.32);
  color: var(--c-text-1);
  background: rgba(79, 216, 255, 0.04);
}
.article-nav__item:not(.is-disabled):active { transform: translateY(1px); }
.article-nav__item.is-disabled { opacity: 0.40; cursor: not-allowed; }
.article-nav__icon {
  flex-shrink: 0;
  color: var(--c-text-2);
  opacity: 0.7;
  transition: transform 200ms ease, opacity 200ms ease, color 200ms ease;
}
.article-nav__item:not(.is-disabled):hover .article-nav__icon { opacity: 1; color: var(--c-brand); }
.article-nav__item--prev:not(.is-disabled):hover .article-nav__icon { transform: translateX(-4px); }
.article-nav__item--next:not(.is-disabled):hover .article-nav__icon { transform: translateX(4px); }
.article-nav__text {
  display: flex; flex-direction: column; gap: 4px;
  flex: 1 1 auto; min-width: 0;
}
.article-nav__hint {
  font-size: 11px;
  color: var(--c-text-3);
  letter-spacing: 0.10em;
  text-transform: uppercase;
}
.article-nav__title {
  display: block;
  font-size: 15px; font-weight: 600; color: var(--c-text-1);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  max-width: 100%;
}

/* -------- 相关文章 -------- */
.related-section {
  padding: var(--sp-8) 32px var(--sp-9);
  max-width: 1440px; margin: 0 auto;
}
.related-section__inner { display: flex; flex-direction: column; gap: var(--sp-7); }
.related-section__head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}
.related-section__head .section-title { margin: 0; font-size: 28px; }
.related-section__more {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent; border: 0; padding: 0;
  color: var(--c-brand); font-size: 14px; cursor: pointer;
  transition: gap 180ms ease;
}
.related-section__more:hover { gap: 10px; }
.related-section .ins-card__cover {
  background: linear-gradient(135deg, rgba(79, 139, 255, 0.18) 0%, rgba(79, 216, 255, 0.06) 100%),
              radial-gradient(circle at 30% 30%, rgba(79, 216, 255, 0.18), transparent 60%),
              #0a0e26;
}

/* -------- 新闻页响应式 -------- */
@media (max-width: 960px) {
  .news-hero { padding: var(--sp-7) 24px var(--sp-6); }
  .news-grid-section { padding: 0 24px 56px; }   /* 修复原 0 24px 覆盖丢失 padding-bottom 80px */
  .article-hero { padding: var(--sp-7) 24px var(--sp-5); }
  .article-hero__lede { font-size: 16px; }
  .article-hero__author { padding: 14px 16px; max-width: 100%; }
  .article-breadcrumb { font-size: 12px; gap: 8px; }
  .article-figure__placeholder { height: 200px; }
  .article-body { padding: 0 24px var(--sp-8); font-size: 15px; }
  .article-body h2 { font-size: 21px; }
  .article-nav { padding: 24px; }
  .article-nav__inner { grid-template-columns: 1fr; }
  .article-nav__item--next { justify-content: flex-start; text-align: left; }
  .related-section { padding: var(--sp-7) 24px var(--sp-8); }
  .related-section__head { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 540px) {
  /* news-list */
  .news-hero { padding: var(--sp-6) 16px var(--sp-5); }
  .news-hero__title { font-size: 26px; line-height: 1.2; }
  .news-hero__lede { font-size: 14px; line-height: 1.65; }
  .news-grid-section { padding: 0 16px 40px; }

  /* 列表卡片(overlay 样式):缩小高度(避免 12 张卡 × 380px = 4560px 过高) */
  .ins-card--overlay { min-height: 240px; }
  .ins-card--overlay .ins-card__overlay { padding: 14px 16px 16px; }
  .ins-card--overlay .ins-card__title { font-size: 15px; }
  .ins-card--overlay .ins-card__excerpt { font-size: 12.5px; -webkit-line-clamp: 2; }
  .ins-card--overlay .ins-card__meta-row { margin-bottom: 8px; gap: 8px; }
  .ins-card--overlay .ins-card__cat { font-size: 11px; padding: 2px 8px; }

  /* 分页:缩小按钮,避免 8 项溢出 */
  .news-pagination { gap: 4px; flex-wrap: wrap; padding-top: 12px; }
  .news-page { min-width: 32px; height: 32px; font-size: 12px; padding: 0 8px; }
  .news-page--nav { padding: 0 6px; }

  /* news-detail */
  .article-hero { padding: var(--sp-6) 16px var(--sp-4); }
  .article-hero__title { font-size: 22px; line-height: 1.3; }
  .article-hero__lede { font-size: 14px; line-height: 1.7; margin-bottom: 20px; }
  .article-hero__author { padding: 12px 14px; gap: 10px; }
  .article-author__avatar { width: 36px; height: 36px; font-size: 14px; }
  .article-author__info strong { font-size: 13px; }
  .article-author__info span { font-size: 11px; }

  /* breadcrumb / meta */
  .article-breadcrumb { font-size: 11.5px; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
  .article-meta { font-size: 12px; gap: 8px; margin-bottom: 14px; }
  .article-meta__chip { padding: 3px 10px; font-size: 11px; }

  /* 正文 */
  .article-body { padding: 0 16px var(--sp-7); font-size: 14px; line-height: 1.75; }
  .article-body .article-lead { font-size: 16px; padding-left: 14px; }
  .article-body h2 { font-size: 19px; margin-top: 32px; }
  .article-body h3 { font-size: 17px; margin-top: 28px; }
  .article-body blockquote { padding: 14px 16px; margin: 24px 0; }

  /* 配图 */
  .article-figure { margin: 24px 0; border-radius: 12px; }
  .article-figure__placeholder { height: 160px; font-size: 11px; }
  .article-figure figcaption { padding: 10px 14px; font-size: 12px; }

  /* footer + 分享 */
  .article-footer { margin-top: 36px !important; padding-top: 18px; gap: 14px; }
  .article-share__label { display: none; }  /* 移动端隐藏「分享」文字,只留图标按钮 */
  .article-share__btn { width: 36px; height: 36px; }   /* 触控目标加大 */

  /* 上下篇导航 */
  .article-nav { padding: 16px; }
  .article-nav__item { padding: 14px 16px; min-height: 72px; gap: 10px; }
  .article-nav__title { font-size: 13px; }
  .article-nav__hint { font-size: 10px; letter-spacing: 0.08em; }

  /* 相关文章 */
  .related-section { padding: var(--sp-6) 16px var(--sp-7); }
  .related-section__head .section-title { font-size: 22px; }
}

/* ≤380px 超小屏新闻页进一步压缩 */
@media (max-width: 380px) {
  .news-hero__title { font-size: 24px; }
  /* overlay 卡片再降高度 */
  .ins-card--overlay { min-height: 200px; }
  .ins-card--overlay .ins-card__title { font-size: 14px; }
  .article-hero__title { font-size: 20px; }
  .article-hero__lede { font-size: 13.5px; }
  .article-nav__item { padding: 12px 14px; gap: 8px; }
  .article-nav__icon { width: 18px; height: 18px; }
  .article-nav__title { font-size: 12.5px; }
}

/* ========================================================================
   联系方式模态框 contact-modal · 小居中弹窗(经典 backdrop + dialog)
   ======================================================================== */

.contact-modal {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at 30% 20%, rgba(79, 139, 255, 0.20), transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(79, 216, 255, 0.16), transparent 55%),
    rgba(4, 6, 18, 0.72);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  animation: contactModalFadeIn 240ms ease-out both;
}
.contact-modal[hidden] { display: none; }

@keyframes contactModalFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes contactModalZoomIn {
  from { opacity: 0; transform: scale(0.94) translateY(12px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes contactModalSlideUp {
  from { opacity: 0; transform: translateY(100%); }
  to { opacity: 1; transform: translateY(0); }
}

.contact-modal__box {
  position: relative;
  width: 300px; max-width: calc(100vw - 32px);
  padding: 20px 20px 18px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  text-align: center;
  background: linear-gradient(180deg, rgba(20, 26, 62, 0.85) 0%, rgba(12, 17, 48, 0.92) 100%),
              var(--glass-bg-strong);
  border: 1px solid var(--glass-border-strong);
  border-radius: 18px;
  backdrop-filter: blur(var(--glass-blur-strong)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--glass-blur-strong)) saturate(180%);
  box-shadow:
    0 32px 70px -20px rgba(0, 0, 0, 0.65),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
  animation: contactModalZoomIn 260ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
  /* iOS Safari 100vh 兼容:动态视口高度 */
  max-height: calc(100vh - 48px);
  max-height: calc(100dvh - 48px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.contact-modal__box::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.12) 0%,
    rgba(255, 255, 255, 0.02) 35%,
    rgba(79, 139, 255, 0.12) 70%,
    rgba(255, 107, 26, 0.08) 100%);
  border-radius: inherit;
}
.contact-modal__box::after {
  content: ""; position: absolute; top: -1px; left: 24px; right: 24px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  pointer-events: none;
}

.contact-modal__close {
  position: absolute; top: 10px; right: 12px;
  width: 24px; height: 24px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  color: var(--c-text-2);
  font-size: 16px; font-weight: 300; line-height: 1;
  cursor: pointer;
  transition: all 180ms ease;
}
.contact-modal__close:hover {
  background: rgba(255, 107, 26, 0.18);
  border-color: rgba(255, 107, 26, 0.45);
  color: #fff;
}

.contact-modal__title {
  position: relative; z-index: 1;
  margin: 0;
  font-size: 16px; font-weight: 700; line-height: 1.4;
  color: #fff;
}

.contact-modal__qr {
  display: block;
  width: 100%; max-width: 170px; height: auto; aspect-ratio: 1;
  border-radius: 8px;
  background: #fff;
  padding: 5px;
  box-shadow: 0 8px 18px -6px rgba(0, 0, 0, 0.55);
}
.contact-modal__qr-tip {
  position: relative; z-index: 1;
  margin: 0;
  font-size: 11.5px; color: var(--c-text-2);
  letter-spacing: 0.04em;
}

.contact-modal__contact {
  position: relative; z-index: 1;
  width: 100%;
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 6px;
}
.contact-modal__contact > li {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  font-size: 12.5px;
  text-align: left;
  transition: all 180ms ease;
}
.contact-modal__contact > li:hover {
  border-color: rgba(79, 139, 255, 0.45);
  background: rgba(79, 139, 255, 0.08);
  transform: translateX(2px);
}
.contact-modal__contact > li svg {
  flex: 0 0 auto;
  color: var(--c-brand-cyan);
  opacity: 0.85;
}
.contact-modal__contact > li span {
  font-weight: 500; font-variant-numeric: tabular-nums;
  color: #fff;
}

/* ===== 移动端 ≤540px:底部抽屉式弹出(符合 iOS/Android 触屏习惯) ===== */
@media (max-width: 540px) {
  .contact-modal {
    padding: 0;
    align-items: flex-end;       /* 底部对齐 → 抽屉式 */
  }
  .contact-modal__box {
    width: 100%;
    max-width: 100%;
    padding: 22px 18px calc(20px + env(safe-area-inset-bottom, 0));
    border-radius: 22px 22px 0 0;
    max-height: 88dvh;
    animation: contactModalSlideUp 320ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
  }
  /* 抽屉拖拽手柄(视觉提示) */
  .contact-modal__box::after {
    left: 50%;
    right: auto;
    width: 44px;
    height: 4px;
    border-radius: 2px;
    top: 8px;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.4);
  }
  .contact-modal__close {
    top: 8px; right: 10px;
    width: 32px; height: 32px;   /* 触控目标 32px(移动端精简) */
    font-size: 18px;
  }
  .contact-modal__title { font-size: 16px; margin-top: 6px; }
  .contact-modal__qr { max-width: 160px; }
  .contact-modal__contact > li {
    min-height: 44px;            /* iOS HIG 最小触控目标 */
    padding: 10px 14px;
    font-size: 13px;
  }
}

/* ===== 超小屏 ≤380px(iPhone SE 等) ===== */
@media (max-width: 380px) {
  .contact-modal__box { padding: 20px 14px calc(16px + env(safe-area-inset-bottom, 0)); }
  .contact-modal__qr { max-width: 140px; }
}

/* ===== 平板/手机横屏(高度受限) ===== */
@media (max-width: 960px) and (orientation: landscape) and (max-height: 500px) {
  .contact-modal { align-items: center; }
  .contact-modal__box {
    border-radius: 18px;
    max-height: calc(100vh - 16px);
    max-height: calc(100dvh - 16px);
  }
  .contact-modal__box::after { display: none; }
}

/* ===== 减少动画偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  .contact-modal, .contact-modal__box { animation: none; }
}