@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&display=swap");
/* ============================================================
   绿算技术官网 v4 · 苹果极简风
   白底 · 大留白 · 居中大字 · 产品大图 · 一个强调蓝
   ============================================================ */
/* ============ 阿里巴巴普惠体 Alibaba PuHuiTi 3.0（免费商用） ============ */
@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("../fonts/AlibabaPuHuiTi/AlibabaPuHuiTi-3-35-Thin.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("../fonts/AlibabaPuHuiTi/AlibabaPuHuiTi-3-55-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("../fonts/AlibabaPuHuiTi/AlibabaPuHuiTi-3-65-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("../fonts/AlibabaPuHuiTi/AlibabaPuHuiTi-3-65-Medium.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("../fonts/AlibabaPuHuiTi/AlibabaPuHuiTi-3-85-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
:root {
  --bg: #ffffff;
  --bg-soft: #f5f5f7;
  --ink: #1d1d1f;
  --ink-2: #424245;
  --muted: #6e6e73;
  --faint: #86868b;
  --line: #d2d2d7;
  --blue: #0071e3;
  --blue-text: #0f7a4e;
  --blue-dark: #0077ed;
  --blue-light: #e8f1fd;
  --green: #0f7a4e;
  --gold: #a87d0a;
  --radius-lg: 10px;
  --radius-md: 8px;
  /* 动效基座：强 ease-out / 屏幕内移动 / iOS 抽屉曲线 */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);
  --font: "Noto Sans SC", "Alibaba PuHuiTi", "Microsoft YaHei", "微软雅黑", "PingFang SC", "SF Pro SC", "Helvetica Neue", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  --mono: "SF Mono", "Cascadia Code", Consolas, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.6;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: var(--blue-text); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--blue-dark); text-decoration: underline; }

.container { width: min(1400px, 94%); margin: 0 auto; }
.center { text-align: center; margin-top: 30px; }
.empty-tip { color: var(--faint); text-align: center; padding: 60px 0; }

.text-accent { color: var(--blue-text); }

/* ================= 按钮（苹果胶囊） ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 28px;
  border-radius: 980px;
  font-size: 17px;
  font-weight: 400;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 160ms var(--ease-out), filter 0.2s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn:active {
  transform: scale(0.97);
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: linear-gradient(120deg, #0e7ac4, #0f7a4e);
  color: #fff;
}
.btn-primary:hover { filter: brightness(1.08); color: #fff; }
.btn-gold {
  background: linear-gradient(120deg, #0e7ac4, #0f7a4e);
  color: #fff;
}
.btn-gold:hover { filter: brightness(1.08); color: #fff; }
.btn-ghost {
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.18); color: #fff; }
.btn-outline {
  border-color: var(--blue-text);
  color: var(--blue-text);
  background: transparent;
}
.btn-outline:hover { background: var(--blue-light); color: var(--blue-text); }
.btn-outline-light { border-color: rgba(255, 255, 255, 0.7); color: #fff; background: transparent; }
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.15); color: #fff; }
.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 17px;
  color: var(--blue-text);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.btn-link:hover { color: var(--blue-dark); text-decoration: underline; }
.btn-link::after { content: "›"; font-size: 19px; line-height: 1; }

/* ================= 顶部导航（苹果极简） ================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  gap: 16px;
}
.logo { display: flex; align-items: center; }
.logo:hover { text-decoration: none; }
.logo-img { height: 26px; width: auto; max-width: 180px; display: block; }
.main-nav { display: flex; gap: 28px; flex: 1; justify-content: center; }
.main-nav a {
  position: relative;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 400;
  white-space: nowrap;
  padding: 4px 0;
  transition: color 0.2s ease;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -8px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--green);
  transform: translateX(-50%);
  transition: width 0.25s ease;
}
.main-nav a:hover::after {
  width: 100%;
}
.main-nav a:hover { color: var(--blue-text); text-decoration: none; }
.main-nav a.active { color: var(--ink); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.lang-switch {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}
.lang-switch a {
  color: var(--muted);
  text-decoration: none;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 980px;
  transition: transform 160ms var(--ease-out), color 0.2s ease, border-color 0.2s ease;
}
.lang-switch a:active {
  transform: scale(0.95);
}
.lang-switch a:hover {
  color: var(--green);
  border-color: var(--green);
  text-decoration: none;
}
.header-admin {
  font-size: 14px;
  color: var(--ink-2);
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 980px;
  transition: transform 160ms var(--ease-out), color 0.2s ease, border-color 0.2s ease;
}
.header-admin:active {
  transform: scale(0.95);
}
.header-admin:hover { color: var(--blue-text); border-color: var(--blue-text); text-decoration: none; }
.nav-toggle { display: none; background: none; border: none; font-size: 22px; cursor: pointer; color: var(--ink); }

/* ================= 导航下拉菜单（面板式） ================= */
.nav-item { position: static; display: flex; align-items: center; flex-wrap: wrap; }
.nav-item > .nav-link { position: relative; }
.nav-item > .nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -8px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--green);
  transform: translateX(-50%);
  transition: width 0.25s ease;
}
.nav-item:hover > .nav-link::after,
.nav-item.open > .nav-link::after,
.nav-item:focus-within > .nav-link::after {
  width: 100%;
}
.mega-caret {
  display: none;
}
.mega-panel {
  position: absolute;
  top: 52px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 180ms var(--ease-out), transform 180ms var(--ease-out), visibility 0s linear 180ms;
}
.nav-item:hover .mega-panel,
.nav-item:focus-within .mega-panel,
.nav-item.open .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition-delay: 0s;
}
.mega-panel a::after { display: none; }
.mega-panel a { white-space: normal; }
.mega-inner { padding: 22px 0 28px; }
.mega-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.mega-col { min-width: 0; display: flex; flex-direction: column; }
.mega-cat {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 2px 0 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.mega-cat-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  min-width: 0;
}
.mega-cat-link:hover { color: var(--green); text-decoration: none; }
.mega-cat-all {
  margin-left: auto;
  font-size: 12px;
  font-weight: 400;
  color: var(--faint);
  white-space: nowrap;
  transition: color 0.18s ease;
}
.mega-cat-all:hover { color: var(--green); text-decoration: none; }
.mega-cat-ic {
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
}
.mega-cat-ic svg { width: 16px; height: 16px; }
.mega-cards { display: flex; flex-direction: column; gap: 6px; }
.mega-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  margin: 0 -6px;
  border-radius: 10px;
  transition: background 0.18s ease;
}
.mega-card:hover { background: #f1f6f3; text-decoration: none; }
.mega-card-ic {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: #eef6f1;
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.18s ease;
}
.mega-card-ic svg { width: 15px; height: 15px; }
.mega-card:hover .mega-card-ic { background: #dcefe5; }
.mega-card-txt { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.mega-card-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.18s ease;
}
.mega-panel .mega-card-name { white-space: nowrap; }
.mega-card:hover .mega-card-name { color: var(--green); }
.mega-card-desc {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mega-panel .mega-card-desc { white-space: nowrap; }
.mega-card-arrow {
  flex: 0 0 auto;
  margin-left: auto;
  margin-right: 6px;
  font-style: normal;
  font-weight: 400;
  color: var(--green);
  font-size: 13px;
  line-height: 1;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.mega-card:hover .mega-card-arrow { opacity: 1; transform: translateX(0); }
.mega-card-more { background: var(--bg-soft); }
.mega-card-more:hover { background: #ebf5f0; }
.mega-sol-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  align-content: start;
}

.sol-row { scroll-margin-top: 76px; }

/* ================= Hero (apple light, product chassis showcase) ================= */
.hero {
  position: relative;
  background: #f5f5f7;
  padding: 0 0 48px;
  overflow: hidden;
}
.hero-carousel { position: relative; display: grid; overflow: hidden; }
.hero-slide {
  grid-area: 1 / 1;
  position: relative;
  text-align: center;
  padding-top: 104px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transition: opacity 500ms var(--ease-out), visibility 0s linear 500ms;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-slide.has-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.55);
  z-index: 0;
}
.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
  transition-delay: 0s;
}
.hero-slide.leaving {
  opacity: 0;
  visibility: visible;
  z-index: 0;
  transition: opacity 300ms ease, visibility 0s linear 300ms;
}
.hero-inner { position: relative; z-index: 1; }
/* 轮播内容分层入场：开场 90ms 步进错峰，出场只做淡出 */
.hero-slide .hero-inner > * {
  opacity: 0;
  transform: translateY(16px);
  will-change: opacity, transform;
}
.hero-slide .hero-inner > .hero-eyebrow { transform: translateY(10px); }
.hero-slide .hero-inner > h1 { transform: translateY(28px); }
.hero-slide .hero-inner > .hero-sub { transform: translateY(20px); }
.hero-slide .hero-inner > .hero-actions { transform: translateY(14px); }
.hero-slide .hero-inner > .hero-visual { transform: translateY(34px) scale(0.96); }
.hero-slide.active .hero-inner > * {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition: opacity 600ms var(--ease-out), transform 650ms var(--ease-out);
}
.hero-slide.active .hero-inner > *:nth-child(2) { transition-delay: 90ms; }
.hero-slide.active .hero-inner > *:nth-child(3) { transition-delay: 190ms; }
.hero-slide.active .hero-inner > *:nth-child(4) { transition-delay: 290ms; }
.hero-slide.active .hero-inner > *:nth-child(5) { transition-delay: 400ms; }
.hero-slide.leaving .hero-inner > * {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition: opacity 260ms ease;
  transition-delay: 0ms;
}

/* 主标题强调字渐变流光 */
.hero h1 .text-accent {
  background-size: 200% 100%;
  animation: hero-accent-flow 4.5s ease-in-out infinite;
}
@keyframes hero-accent-flow {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* 产品图悬浮（仅活动轮播） */
.hero-slide.active .hero-visual img {
  animation: hero-float 6s ease-in-out infinite;
}
@keyframes hero-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}
.hero-eyebrow {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(42px, 5.2vw, 60px);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.022em;
  color: var(--ink);
  margin-bottom: 22px;
}
.hero h1 .text-accent {
  background: linear-gradient(100deg, var(--blue) 0%, var(--blue-400, #4fb0ef) 45%, var(--green) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 400;
  color: var(--muted);
  max-width: 780px;
  margin: 0 auto 40px;
  line-height: 1.6;
  min-height: 3.3em;
  text-wrap: balance;
}
.hero-actions {
  display: flex;
  gap: 22px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}
.hero-visual {
  margin-top: 68px;
  display: flex;
  justify-content: center;
  position: relative;
  padding: 22px;
}
.hero-visual img {
  position: relative;
  width: auto;
  max-width: 640px;
  max-height: 210px;
  object-fit: contain;
  filter: drop-shadow(0 32px 44px rgba(20, 40, 70, 0.16));
}
.hero-slide.hero-slide-gp5 .hero-visual img {
  max-height: 222px;
}
.hero-slide.hero-slide-spark .hero-visual img {
  max-height: 300px;
}
.hero-slide.hero-slide-spark .hero-visual {
  margin-top: 36px;
}

/* Hero stats (apple digits) */
.hero-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: auto;
  padding: 44px 0 8px;
  border-top: 1px solid var(--line);
}
.hero-stat { text-align: center; }
.hero-stat strong {
  display: block;
  font-size: 34px;
  font-weight: 600;
  letter-spacing: -0.022em;
  color: var(--muted);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.hero-stat span { display: block; margin-top: 5px; font-size: 14px; color: var(--faint); }

.carousel-btn {
  position: absolute;
  top: 30%;
  z-index: 3;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink-2);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  transition: transform 160ms var(--ease-out), background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.carousel-btn:active {
  transform: scale(0.94);
}
.carousel-btn:hover { background: var(--bg-soft); color: var(--ink); border-color: var(--faint); }
.carousel-prev { left: 1rem; }
.carousel-next { right: 1rem; }
.carousel-dots {
  position: relative;
  z-index: 3;
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 34px;
}
.carousel-dots .dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  overflow: hidden;
  border: none;
  background: #c7c7cc;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s ease, transform 300ms var(--ease-out);
}
.carousel-dots .dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left center;
}
.carousel-dots .dot.active { transform: scale(1.15); }
.carousel-dots .dot.active::after { animation: dot-progress 3s linear forwards; }
@keyframes dot-progress {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* ================= 区块 ================= */
.section { padding: 96px 0; }
.section-gray { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.sec-head { text-align: center; margin-bottom: 56px; }
.sec-eyebrow {
  display: block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 12px;
}
.sec-title {
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.022em;
  color: var(--ink);
  line-height: 1.18;
}
.sec-sub { margin-top: 14px; color: var(--muted); font-size: 17px; max-width: 600px; margin-left: auto; margin-right: auto; }

/* ---------- 能力列表（苹果式三列） ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; }
.feature-grid-4 { grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card { text-align: center; padding: 20px 12px; transition: transform 0.3s ease; }
.feature-card:hover { transform: translateY(-4px); }
.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  border-radius: 50%;
  background: var(--bg-soft);
  border: 1px solid var(--line);
}
.feature-card h3 { font-size: 19px; font-weight: 600; color: var(--ink); margin-bottom: 10px; }
.feature-card p { font-size: 15px; color: var(--muted); line-height: 1.6; }

/* ---------- AI 原生存储（G3.5 CMX / KV Cache 卸载） ---------- */
.cmx-lead {
  margin-top: 14px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
}
/* 每句话独立成块并均衡断行：既保持“两段分行”，又不会出现孤字尾行 */
.cmx-sentence { display: block; text-wrap: balance; }
.nowrap { white-space: nowrap; }
.cmx-compat {
  margin-top: 12px;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.7;
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
  text-wrap: balance;
}
.cmx-compat strong { color: var(--ink); font-weight: 600; }
.tier {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 6px auto 72px;
  max-width: 980px;
}
.tier-item { text-align: center; padding: 0 18px; }
.tier-item + .tier-item { border-left: 1px solid var(--line); }
.tier-lat {
  display: block;
  font-size: 32px;
  font-weight: 300;
  letter-spacing: -0.03em;
  color: var(--ink-2);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.tier-item.hot .tier-lat { font-weight: 600; color: var(--blue-text); }
.tier-name {
  display: block;
  margin-top: 10px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--muted);
}
.tier-item.hot .tier-name { color: var(--green); }
.tier-desc {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  color: var(--faint);
}

.blocks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.block {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 34px 32px 32px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(20, 40, 70, 0.05), 0 14px 36px rgba(20, 40, 70, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.block:hover {
  transform: translateY(-5px);
  box-shadow: 0 24px 52px rgba(20, 40, 70, 0.12);
}
.block-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 20px;
}
.block-head h3 { margin-bottom: 0; flex: 1; }
.icon {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-text);
  background: var(--bg-soft);
  border: 1px solid rgba(0, 113, 227, 0.12);
  box-shadow: 0 6px 16px rgba(0, 113, 227, 0.08);
}
.icon svg { width: 26px; height: 26px; }
.block h3 {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.32;
  margin-bottom: 14px;
}
.block ul { list-style: none; }
.block li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.68;
  margin-bottom: 6px;
}
.block li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

/* ---------- 解决方案 / 合作伙伴 / 服务 / 试用 ---------- */
.partner-group { margin-bottom: 44px; }
.partner-group h3 { font-size: 17px; font-weight: 600; margin-bottom: 16px; color: var(--ink); }
.partner-desc { font-size: 14px; color: var(--muted); margin: -6px 0 14px; max-width: 620px; line-height: 1.65; }
.chip-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.chip {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink-2);
  font-size: 14px;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.chip:hover { border-color: var(--blue-text); color: var(--blue-text); }

.download-box { margin-top: 64px; border-top: 1px solid var(--line); padding-top: 48px; }
.download-box > h3 { text-align: center; font-size: 22px; font-weight: 600; margin-bottom: 24px; }
.download-list { max-width: 720px; margin: 0 auto 30px; }
.download-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
.download-item:hover { text-decoration: none; color: var(--blue-text); }
.dl-info { min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.dl-name { font-size: 15px; font-weight: 500; }
.dl-desc { font-size: 13px; color: var(--muted); }
.dl-badge {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 600;
  color: var(--green);
  border: 1px solid rgba(15, 122, 78, 0.35);
  border-radius: 999px;
  padding: 2px 10px;
}
.dl-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.dl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: transform 160ms var(--ease-out), color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}
.dl-btn:active { transform: scale(0.96); }
.dl-btn:hover { border-color: var(--green); color: var(--green); text-decoration: none; }
.dl-btn.dl-download { background: var(--green); border-color: var(--green); color: #fff; }
.dl-btn.dl-download:hover { background: #1d9a67; color: #fff; }
.dl-note { font-size: 12.5px; color: var(--faint); white-space: nowrap; }

/* 资料在线预览弹窗 */
.dl-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(15, 20, 30, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.dl-modal-overlay[hidden] { display: none; }
.dl-modal {
  display: flex;
  flex-direction: column;
  width: min(980px, 100%);
  height: min(88vh, 860px);
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.28);
}
.dl-modal-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}
.dl-modal-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dl-modal-tools { display: flex; gap: 8px; flex-shrink: 0; }
.dl-modal-frame { flex: 1; width: 100%; border: none; background: #fff; }

.trial-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 860px;
  margin: 0 auto 64px;
}
.trial-step { text-align: center; padding: 0 12px; }
.step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  background: #0f7a4e;
  margin-bottom: 16px;
}
.trial-step h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.trial-step p { font-size: 14px; color: var(--muted); line-height: 1.65; }
.trial-form { max-width: 760px; margin: 0 auto; }

/* ---------- 模块页：数据条 / 方案行 / 时间线 / 服务流程 ---------- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 860px;
  margin: 0 auto 76px;
}
.stat-item { text-align: center; }
.stat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 14px;
  border-radius: 16px;
  background: linear-gradient(150deg, #eaf5ef 0%, #dcefe5 100%);
  color: var(--green);
}
.stat-icon svg { width: 26px; height: 26px; }
.stat-num {
  font-size: 46px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--blue-text);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.stat-name { display: block; margin-top: 8px; font-size: 14px; font-weight: 600; color: var(--ink); }
.stat-desc { display: block; margin-top: 3px; font-size: 12.5px; color: var(--faint); }

.sol-row {
  display: flex;
  align-items: center;
  gap: 64px;
  margin-bottom: 72px;
}
.sol-row:nth-child(even) { flex-direction: row-reverse; }
.sol-row:last-child { margin-bottom: 0; }
.sol-img {
  flex: 0 0 46%;
  background: var(--soft);
  border-radius: 24px;
  padding: 44px 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sol-img img { width: 100%; height: auto; }
.sol-img svg { width: 100%; height: auto; max-width: 420px; }
.sol-body { flex: 1; }
.sol-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--blue-text);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.sol-body h3 { font-size: 27px; font-weight: 600; letter-spacing: -0.018em; line-height: 1.25; margin-bottom: 14px; }
.sol-body > p { font-size: 15.5px; color: var(--muted); line-height: 1.75; margin-bottom: 16px; max-width: 520px; }
.sol-body ul { list-style: none; margin-bottom: 20px; }
.sol-body li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 5px;
}
.sol-body li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}
.sol-links { display: flex; gap: 22px; align-items: center; }
.sol-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 300px));
  justify-content: center;
  gap: 18px;
  max-width: 980px;
  margin: 0 auto;
}
.sol-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 26px 24px;
  border-radius: 14px;
  background: var(--bg-soft);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.sol-card:hover {
  background: #ebf5f0;
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(15, 122, 78, 0.08);
  text-decoration: none;
}
.sol-card-tag {
  align-self: flex-start;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--green);
  background: #e7f4ed;
  border-radius: 999px;
  padding: 3px 10px;
}
.sol-card strong { font-size: 17px; font-weight: 600; color: var(--ink); line-height: 1.4; }
.sol-card > span:not(.sol-card-tag):not(.sol-card-link) { font-size: 13.5px; color: var(--muted); line-height: 1.6; }
.sol-card-link { margin-top: auto; font-size: 13px; font-weight: 600; color: var(--green); }

/* ================= 合作伙伴 Logo 墙 ================= */
.partner-logo-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  max-width: 1040px;
  margin: 8px auto 0;
}
.partner-logo-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: none;
  border-radius: 12px;
  padding: 16px;
  min-height: 108px;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.partner-logo-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(20, 40, 70, 0.08);
  text-decoration: none;
}
.partner-logo-img {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 72px;
  background: transparent;
  border-radius: 8px;
  overflow: hidden;
}
.partner-logo-img img {
  height: 40px;
  width: auto;
  max-width: 90%;
  object-fit: contain;
  filter: grayscale(30%);
  opacity: 0.9;
  transition: filter 0.22s ease, opacity 0.22s ease;
}
.partner-logo-card:hover .partner-logo-img img {
  filter: grayscale(0%);
  opacity: 1;
}
.partner-logo-name {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 6px 8px;
  background: rgba(15, 122, 78, 0.92);
  color: #fff;
  font-size: 12px;
  text-align: center;
  border-radius: 0 0 8px 8px;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.partner-logo-card:hover .partner-logo-name {
  opacity: 1;
  transform: translateY(0);
}

/* 合作伙伴申请表单：加宽居中 */
.partner-form-wrap {
  max-width: 780px;
  margin: 0 auto;
}
.partner-form-box {
  background: #f7f7f9;
  border-radius: 24px;
  padding: 40px;
}

/* ================= 解决方案详情（内容区自设计模块） ================= */
.sol-hero {
  text-align: center;
  background: linear-gradient(160deg, #f4faf7 0%, #eaf4ef 100%);
  border: 1px solid rgba(15, 122, 78, 0.12);
  border-radius: 18px;
  padding: 52px 36px;
  margin-bottom: 56px;
}
.sol-hero-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--green);
  background: #e7f4ed;
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 18px;
}
.sol-hero h2 { font-size: clamp(30px, 4vw, 44px); font-weight: 600; letter-spacing: -0.02em; color: var(--ink); margin-bottom: 14px; }
.sol-hero p { max-width: 640px; margin: 0 auto; font-size: 16px; line-height: 1.8; color: var(--muted); }
.sol-figure { margin: 18px 0 42px; }
.rich-content .sol-figure img { width: 100%; max-width: 760px; margin: 0 auto; display: block; }
.sol-intro {
  font-size: 17px;
  line-height: 1.9;
  color: var(--muted);
  text-align: center;
  max-width: 680px;
  margin: 0 auto 40px;
}
.sol-tier-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 18px 0 46px;
}
.sol-tier {
  background: #f7faf8;
  border: 1px solid #e4ece7;
  border-radius: 14px;
  padding: 20px 18px;
}
.sol-tier-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--green);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
}
.sol-tier strong { display: block; font-size: 14.5px; font-weight: 600; color: var(--ink); line-height: 1.45; margin-bottom: 6px; }
.sol-tier p { font-size: 12.5px; color: var(--muted); line-height: 1.6; }
.sol-cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 18px 0 46px;
}
.sol-cap-card {
  background: #fff;
  border: 1px solid #e8e8ed;
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: 0 10px 26px rgba(20, 40, 70, 0.05);
}
.sol-cap-card::before {
  content: "";
  display: block;
  width: 34px;
  height: 4px;
  border-radius: 2px;
  background: var(--green);
  margin-bottom: 16px;
}
.sol-cap-card h3 { font-size: 17px; font-weight: 600; color: var(--ink); margin-bottom: 10px; }
.sol-cap-card p { font-size: 13.5px; line-height: 1.75; color: var(--muted); }
.sol-scene-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin: 18px 0 40px;
}
.sol-scene {
  background: var(--bg-soft);
  border-radius: 16px;
  padding: 30px 28px;
}
.sol-scene h3 { font-size: 18px; font-weight: 600; color: var(--ink); margin-bottom: 16px; }
.sol-scene ul { list-style: none; }
.sol-scene li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.7;
  margin-bottom: 8px;
}
.sol-scene li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}

.service-flow {
  display: flex;
  align-items: stretch;
  gap: 12px;
  max-width: 1080px;
  margin: 0 auto 72px;
}
.service-step {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  text-align: center;
  background: var(--bg);
}
.service-flow-arrow {
  flex: 0 0 30px;
  width: 30px;
  align-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 30px;
  border-radius: 50%;
  background: #e7f4ed;
  color: var(--green);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
}
.service-step .step-no {
  width: 40px;
  height: 40px;
  font-size: 15px;
  margin-bottom: 14px;
}
.service-step h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.service-step p { font-size: 13.5px; color: var(--muted); line-height: 1.65; }

/* ---------- 服务与下载：流程时间线 + 专业服务卡片 ---------- */
.svc-process { margin: 0 auto 78px; max-width: 1080px; }
.svc-support { max-width: 1040px; margin: 0 auto 40px; }
.svc-subhead { text-align: center; margin-bottom: 42px; }
.svc-subhead-en {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 10px;
}
.svc-subhead h3 { font-size: 24px; font-weight: 600; color: var(--ink); letter-spacing: -0.01em; }

.svc-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 34px 24px;
  padding: 10px 4px 0;
}
.svc-timeline::before {
  content: "";
  position: absolute;
  top: 38px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: #d9ebe1;
}
.svc-node { position: relative; text-align: center; }
.svc-node-no {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
  box-shadow: 0 8px 20px rgba(15, 122, 78, 0.22);
}
.svc-node h4 { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 7px; }
.svc-node p { font-size: 13.5px; color: var(--muted); line-height: 1.65; margin: 0; }

.service-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.service-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px 24px;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.service-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(20, 40, 70, 0.08);
  border-color: #bfe0cd;
}
.service-card-ic {
  flex: 0 0 52px;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: #e8f3ec;
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-card-ic svg { width: 25px; height: 25px; }
.service-card-txt { min-width: 0; }
.service-card-txt h4 { font-size: 17px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.service-card-txt p { font-size: 14px; line-height: 1.75; color: var(--muted); margin: 0; text-wrap: pretty; }

.about-timeline { max-width: 760px; margin: 0 auto; }
.tl-item {
  display: flex;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.tl-item:last-child { border-bottom: none; }
.tl-year {
  flex: 0 0 96px;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--blue-text);
  line-height: 1.3;
}
.tl-body h4 { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.tl-body p { font-size: 14px; color: var(--muted); line-height: 1.7; }

/* ---------- 产品/新闻卡片（苹果大圆角） ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  display: block;
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.35s ease;
}
.card:hover { transform: translateY(-4px); text-decoration: none; }
.card-img-box {
  background: var(--bg-soft);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
}
.card img {
  max-width: calc(100% - 40px);
  max-height: 170px;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform 0.5s ease;
}
.card:hover img { transform: scale(1.03); }
.card-img-placeholder {
  width: 100%;
  height: 200px;
  background:
    radial-gradient(120% 120% at 50% 0%, rgba(15, 122, 78, 0.06) 0%, transparent 60%),
    linear-gradient(150deg, #f4f7fb 0%, #eef4f9 55%, #eaf5ef 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(15, 122, 78, 0.55);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
}
.case-cover {
  max-width: 820px;
  margin: 0 auto 36px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.case-cover img { width: 100%; display: block; }

/* ---------- 案例详情页（苹果极简风） ---------- */
.case-hero {
  background: linear-gradient(180deg, #f5f5f7 0%, #eef1f5 100%);
  text-align: center;
  padding: 76px 24px 64px;
  border-bottom: 1px solid var(--line);
}
.case-breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 22px;
}
.case-breadcrumb a { color: var(--muted); text-decoration: none; }
.case-breadcrumb a:hover { color: var(--green); }
.case-eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 16px;
}
.case-hero h1 {
  font-size: clamp(36px, 5vw, 54px);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.12;
  color: var(--ink);
  margin: 0 auto 20px;
  max-width: 900px;
}
.case-lead {
  font-size: clamp(16px, 1.8vw, 19px);
  color: var(--muted);
  max-width: 760px;
  margin: 0 auto;
  line-height: 1.75;
}
.case-hero-img {
  max-width: 860px;
  margin: 44px auto 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 18px 44px rgba(20, 40, 70, 0.10);
}
.case-hero-img img { width: 100%; display: block; }

.case-body { padding: 88px 0; }
.case-rich { max-width: 900px; margin: 0 auto; }
.case-rich h2 {
  font-size: clamp(26px, 3.2vw, 34px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-align: center;
  margin: 0 0 40px;
  position: relative;
  padding-bottom: 18px;
}
.case-rich h2::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 46px;
  height: 3px;
  border-radius: 3px;
  background: var(--green);
}
.case-rich h2:not(:first-child) { margin-top: 84px; }
.case-rich h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin: 38px 0 12px;
  padding-left: 16px;
  position: relative;
}
.case-rich h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 5px;
  height: 20px;
  border-radius: 3px;
  background: var(--green);
}
.case-rich p {
  font-size: 16px;
  line-height: 1.95;
  color: #4a4a4f;
  margin: 0 0 14px;
}
.case-rich ul {
  list-style: none;
  margin: 16px 0 28px;
  padding: 0;
}
.case-rich ul li {
  position: relative;
  padding-left: 26px;
  margin: 10px 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: #4a4a4f;
}
.case-rich ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
}
.case-rich table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  margin: 24px 0 32px;
  box-shadow: 0 10px 26px rgba(20, 40, 70, 0.05);
}
.case-rich table th,
.case-rich table td {
  padding: 15px 20px;
  text-align: left;
  font-size: 15px;
  border-bottom: 1px solid #eef0f3;
}
.case-rich table thead th {
  background: #0f7a4e;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
}
.case-rich table tbody tr:nth-child(even) { background: #f7faf8; }
.case-rich table tbody tr:last-child td { border-bottom: none; }

.case-more { padding: 0 0 24px; }

@media (max-width: 680px) {
  .case-hero { padding: 56px 18px 44px; }
  .case-body { padding: 60px 0; }
  .case-rich h2:not(:first-child) { margin-top: 56px; }
}
.card-body { padding: 22px 8px 10px; }
.card-body h3 { font-size: 19px; font-weight: 600; color: var(--ink); margin-bottom: 6px; letter-spacing: -0.022em; }
.card-body p { font-size: 14.5px; color: var(--muted); line-height: 1.55; }
.card-body p {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card:hover .card-body h3 { color: var(--blue-text); }
.price { color: var(--gold); font-weight: 600; display: inline-block; margin-bottom: 5px; font-size: 15px; }
.price-lg { font-size: 22px; }
.card-arrow { display: none; }

/* ---------- 新闻 ---------- */
.news-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 34px;
}
.news-search { display: flex; gap: 10px; flex: 1; max-width: 480px; }
.news-search input {
  flex: 1;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 20px;
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.news-search input:focus { border-color: var(--blue-text); box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.12); }
.news-search .btn { padding: 0 24px; height: 42px; font-size: 14px; }
.news-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 40px 0 18px;
  font-size: 14px;
  color: var(--ink);
  background: var(--bg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%2386868b' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 12px;
  outline: none;
  cursor: pointer;
}
.news-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 44px;
  align-items: start;
}
.news-cats {
  position: sticky;
  top: 28px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px 18px;
}
.news-cats h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  padding-bottom: 12px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--line);
}
.cat-item {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 9px 10px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.cat-item:hover { background: var(--bg-soft); color: var(--ink); }
.cat-item.active { background: var(--blue-light); color: var(--blue-text); font-weight: 500; }
.news-rows { list-style: none; }
.news-row {
  display: flex;
  gap: 22px;
  padding: 24px 4px;
  border-bottom: 1px solid var(--line);
}
.news-row:first-child { padding-top: 8px; }
.news-row:last-child { border-bottom: none; }
.news-row-thumb {
  flex: 0 0 168px;
  height: 104px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-soft);
}
.news-row-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.news-row:hover .news-row-thumb img { transform: scale(1.05); }
.news-row-body { flex: 1; min-width: 0; }
.news-row-meta { font-size: 12.5px; color: var(--faint); }
.news-row-body h3 { font-size: 18px; font-weight: 600; line-height: 1.45; margin: 7px 0 8px; }
.news-row-body h3 a { color: var(--ink); }
.news-row-body h3 a:hover { color: var(--blue-text); }
.news-row-body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-pager {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 36px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.pager-total { font-size: 12.5px; color: var(--faint); margin-right: 8px; }
.pager-btn {
  min-width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink-2);
  font-size: 14px;
  cursor: pointer;
  transition: transform 160ms var(--ease-out), color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}
.pager-btn:active {
  transform: scale(0.94);
}
.pager-btn:hover { border-color: var(--green); color: var(--green); }
.pager-btn.active { background: var(--green); border-color: var(--green); color: #fff; }
.pager-jump { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); margin-left: 10px; }
.pager-jump input {
  width: 56px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-align: center;
  font-size: 14px;
  outline: none;
}
.pager-go {
  height: 34px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  font-size: 13px;
  cursor: pointer;
}
.pager-go:hover { border-color: var(--blue-text); color: var(--blue-text); }

.news-list { list-style: none; }
.news-list li { border-bottom: 1px solid var(--line); }
.news-list li:last-child { border-bottom: none; }
.news-list a {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding: 24px 4px;
  color: var(--ink);
  transition: color 0.2s ease;
}
.news-list a:hover { color: var(--blue-text); text-decoration: none; }
.news-date {
  flex-shrink: 0;
  color: var(--faint);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.news-list .news-title { font-size: 17px; font-weight: 500; }

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  display: block;
  background: var(--bg);
  border-radius: 4px;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform 0.35s ease;
}
.news-card:hover { transform: translateY(-4px); text-decoration: none; }
.news-card img { width: 100%; height: 148px; object-fit: cover; transition: transform 0.5s ease; }
.news-card:hover img { transform: scale(1.03); }
.news-card-body { padding: 16px 8px 10px; }
.news-card-body .news-date { display: block; margin-bottom: 4px; font-size: 12.5px; }
.news-card-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin: 3px 0 7px;
  line-height: 1.5;
  letter-spacing: -0.022em;
  min-height: 3em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card:hover .news-card-body h3 { color: var(--blue-text); }
.news-card-body p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ================= 页面头部（浅灰极简） ================= */
.page-header {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  padding: 60px 0;
}
.page-header h1 { font-size: clamp(30px, 3.4vw, 40px); font-weight: 600; letter-spacing: -0.022em; color: var(--ink); }
.page-header p { color: var(--faint); font-size: 14px; margin-top: 8px; }
.page-header a { color: var(--faint); }
.page-header a:hover { color: var(--blue-text); }
.page-header-compact { padding: 18px 0; }
.page-header-compact p { margin-top: 0; }
.page-header-tight { padding: 36px 0; }

/* 方案详情页：压缩留白 */
.section-tight { padding: 44px 0; }
.sec-head-tight { margin-bottom: 26px; }

/* ================= 文章 ================= */
.article-wrap { max-width: 780px; margin: 0 auto; }
.article-hero {
  position: relative;
  min-height: 460px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.article-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}
.article-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(7, 26, 51, 0.78) 0%, rgba(10, 48, 84, 0.55) 48%, rgba(15, 122, 78, 0.34) 100%);
}
.article-hero-inner {
  position: relative;
  width: min(1200px, 94%);
  margin: 0 auto;
  padding: 96px 0 74px;
}
.article-hero-eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 20px;
}
.article-hero-title {
  max-width: 900px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.28);
}
.article-hero-subtitle {
  max-width: 780px;
  margin-top: 14px;
  font-size: clamp(15px, 1.6vw, 19px);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.86);
}
.article-hero-meta {
  margin-top: 16px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
}
.news-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 44px;
  align-items: start;
  width: min(1400px, 96%);
  margin: 0 auto;
}
.article-main {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 48px 50px 42px;
  box-shadow: 0 1px 2px rgba(20, 40, 70, 0.04), 0 16px 40px rgba(20, 40, 70, 0.06);
}
.article-title { font-size: clamp(26px, 3vw, 36px); line-height: 1.3; color: var(--ink); margin-bottom: 10px; font-weight: 600; letter-spacing: -0.022em; }
.article-subtitle { font-size: 17px; color: var(--muted); margin: -2px 0 14px; }
.article-meta { color: var(--faint); font-size: 14px; margin-bottom: 28px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.article-cover { width: 100%; height: auto; border-radius: 4px; margin-bottom: 32px; }
.back-link-row { padding: 20px 0 56px; }
.back-link { margin-top: 0; }
.back-link a { color: var(--faint); font-size: 14px; text-decoration: none; }
.back-link a:hover { color: var(--green); }
.article-side {
  position: sticky;
  top: 28px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 26px 24px;
}
.side-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  padding-bottom: 14px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.side-news-list { list-style: none; }
.side-news-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.side-news-list li:last-child { border-bottom: none; padding-bottom: 4px; }
.side-news-list a {
  display: block;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.55;
  transition: color 0.2s ease;
}
.side-news-list a:hover { color: var(--blue-text); text-decoration: none; }
.side-news-date { display: block; margin-top: 5px; font-size: 12px; color: var(--faint); }

.rich-content { font-family: var(--font); font-size: 17px; color: var(--ink-2); line-height: 1.8; }
.rich-content p { margin-bottom: 18px; }
.rich-content h1, .rich-content h2, .rich-content h3, .rich-content h4 { color: var(--ink); }
.rich-content h1 { font-size: 26px; margin: 30px 0 16px; }
.rich-content h2 { font-size: 23px; margin: 32px 0 16px; }
.rich-content h3 { font-size: 19px; margin: 26px 0 12px; }
.rich-content img {
  display: block;
  max-width: min(80%, 680px);
  height: auto;
  border-radius: 8px;
  margin: 18px auto;
}
.rich-content table img,
.rich-content td img,
.rich-content th img {
  display: inline-block;
  max-width: 100%;
  margin: 0;
  border-radius: 0;
}
.rich-content ul, .rich-content ol { margin: 0 0 18px 26px; }
.rich-content li { margin-bottom: 7px; }
.rich-content blockquote {
  border-left: 3px solid var(--line);
  padding: 10px 22px;
  margin: 18px 0;
  color: var(--muted);
}
.rich-content table { border-collapse: collapse; width: 100%; margin: 16px 0; }
.rich-content th, .rich-content td { border: 1px solid var(--line); padding: 10px 14px; }
.rich-content th { background: var(--bg-soft); color: var(--ink); }

/* ============================================================
   新闻详情页正文排版（仅左侧 .article-main，不影响侧栏与其它页面）
   规范：白底、墨色正文、品牌绿唯一强调色；行高 1.85、段距 14px；
   图片统一居中、同宽比例、绿色细边框；图注「图N丨说明」右对齐单行。
   ============================================================ */
.article-main .rich-content { font-size: 15.5px; color: #333336; line-height: 1.85; }
.article-main .rich-content p { margin: 0 0 14px; text-align: justify; }
.article-main .rich-content strong { color: var(--ink); }
.article-main .rich-content h1,
.article-main .rich-content h2,
.article-main .rich-content h3 { color: var(--ink); }
.article-main .rich-content h2 {
  font-size: 20px; font-weight: 700; letter-spacing: .01em;
  margin: 34px 0 16px;
  display: flex; align-items: center; gap: 10px;
}
.article-main .rich-content h2::before {
  content: ""; flex: none; width: 5px; height: 20px; border-radius: 3px;
  background: var(--green);
}
.article-main .rich-content h3 { font-size: 17px; font-weight: 700; margin: 26px 0 12px; }
.article-main .rich-content img {
  display: block; width: min(85%, 640px); max-width: 100%; height: auto;
  margin: 24px auto; border: 1px solid #cfe6d8; border-radius: 10px;
}
.article-main .rich-content figure.news-photo { margin: 24px auto; max-width: min(85%, 640px); }
.article-main .rich-content figure.news-photo img {
  width: 100%; height: auto; margin: 0 auto;
  border: 1px solid #cfe6d8; border-radius: 10px;
}
/* 结尾金句：居中绿色强调 */
.article-main .rich-content .news-ending {
  margin: 26px 0 6px; text-align: center;
  font-size: 20px; font-weight: 700; color: #0f7a4e; letter-spacing: .04em;
}
/* 文末落款行：左公司名、右返回链接 */
.article-main .article-foot {
  margin-top: 28px; padding-top: 14px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: var(--faint);
}
.article-main .article-foot a { color: var(--green); text-decoration: none; }
.article-main .article-foot a:hover { opacity: .85; }

.about-wrap { display: flex; gap: 56px; align-items: flex-start; }
.about-img { width: 42%; border-radius: var(--radius-md); object-fit: cover; }
.about-wrap .rich-content { flex: 1; }

.about-hero { text-align: center; }
.about-hero .sec-eyebrow { margin-bottom: 10px; }
.about-lead {
  margin-top: 14px;
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--green);
}
.about-quote {
  max-width: 760px;
  margin: 20px auto 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}
.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 52px;
  align-items: start;
}
.about-intro { font-size: 16.5px; line-height: 2; }
.about-intro p { margin-bottom: 20px; }
.about-facts {
  position: sticky;
  top: 96px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 28px 26px;
  box-shadow: 0 16px 40px rgba(20, 40, 70, 0.06);
}
.about-facts h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.about-facts ul { list-style: none; }
.about-facts li {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
}
.about-facts li:last-child { border-bottom: none; padding-bottom: 2px; }
.about-facts li strong {
  flex: 0 0 auto;
  min-width: 92px;
  font-size: 15px;
  font-weight: 600;
  color: var(--green);
  line-height: 1.5;
}
.about-facts li span {
  flex: 1;
  text-align: left; /* 值列左对齐，多行时行首整齐，不出现孤字悬挂 */
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.5;
  word-break: keep-all;      /* 中文词组与“认证”等不在字内拆断 */
  overflow-wrap: anywhere;   /* 超长串兜底，避免溢出卡片 */
}
.about-cta {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
}
.about-cta-inner {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.about-cta-inner h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.about-cta-inner p {
  margin: 16px 0 28px;
  color: var(--muted);
  font-size: 15px;
}
@media (max-width: 960px) {
  .about-layout { grid-template-columns: 1fr; gap: 36px; }
  .about-facts { position: static; }
}

.cert-group-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin: 10px 0 18px;
}
.cert-group-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 16px;
  background: var(--green);
  border-radius: 2px;
  margin-right: 10px;
  vertical-align: -2px;
}
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 16px;
  margin-bottom: 44px;
}
/* 横版证书专用网格：列宽比竖版证书略大（约 1.5 倍），4 列紧凑排布 */
.cert-grid-lg {
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 18px;
  justify-items: center;
}
.cert-grid-lg .cert-card {
  width: 100%;
}
@media (max-width: 720px) {
  .cert-grid-lg { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
}
.cert-card {
  display: block;
  background: transparent;
  border: none;
  border-radius: 2px;
  padding: 0;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.cert-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(20, 40, 70, 0.12);
}
.cert-card img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
}
.cert-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(10, 15, 25, 0.74);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 30px;
  cursor: zoom-out;
}
.cert-lightbox.open { display: flex; }
.cert-lightbox img {
  max-width: 92vw;
  max-height: 88vh;
  border-radius: 6px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

/* ================= 产品详情 ================= */
.product-visual {
  position: relative;
  overflow: hidden;
  background: linear-gradient(165deg, #0a2f57 0%, #0b4a86 55%, #0e7ac4 100%);
  padding: 22px 0 0;
  text-align: center;
}
.product-visual-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(640px 360px at 50% -10%, rgba(255, 255, 255, 0.14), transparent 62%);
}
.product-visual-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(255, 255, 255, 0.05) 100%);
}
.product-visual-inner { position: relative; }
.product-breadcrumb {
  margin-bottom: 18px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}
.product-breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
}
.product-breadcrumb a:hover { color: #fff; text-decoration: none; }
.product-visual-cat {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.68);
  margin-bottom: 10px;
}
.product-visual-title {
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: #fff;
  text-shadow: 0 1px 20px rgba(0, 0, 0, 0.2);
  text-wrap: balance;
}
.product-visual-sub {
  max-width: 680px;
  margin: 10px auto 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
  text-wrap: balance;
}
.product-visual-img {
  margin-top: 26px;
  padding-bottom: 24px;
  text-align: center;
}
.product-visual-img img {
  width: 100%;
  max-width: 520px;
  filter: drop-shadow(0 28px 44px rgba(0, 0, 0, 0.22));
}
/* 产品图外框：纯静态包裹层，无任何动效 */
.pv-frame {
  position: relative;
  display: inline-block;
  line-height: 0;
  width: 74%;
  max-width: 520px;
}
.quick-metrics {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  padding: 40px 0;
}
.quick-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 24px;
}
.quick-metric {
  padding: 10px 8px;
  text-align: center;
}
.quick-metric strong {
  display: block;
  font-size: clamp(30px, 3.2vw, 42px);
  font-weight: 600;
  letter-spacing: -0.03em;
  background: linear-gradient(120deg, var(--green) 0%, #1d9a67 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.qm-unit {
  font-size: 0.72em;
  font-weight: 600;
  color: var(--ink-2);
  margin-left: 4px;
  letter-spacing: 0;
}
.quick-metric span {
  display: block;
  margin-top: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-2);
}
.product-subnav {
  position: sticky;
  top: 52px;
  z-index: 90;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.product-subnav-inner {
  display: flex;
  gap: 34px;
  overflow-x: visible;
}
.product-subnav a {
  position: relative;
  padding: 14px 2px;
  font-size: 14px;
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.2s ease;
}
.product-subnav a:hover { color: var(--blue-text); text-decoration: none; }
.product-subnav a.active { color: var(--ink); font-weight: 600; }
.product-subnav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--green);
  transition: width 0.25s ease;
}
.product-subnav a.active::after { width: 100%; }
#overview {
  scroll-margin-top: 0;
  padding: 0;
}
#features, #description, #specs { scroll-margin-top: 116px; }
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.product-card {
  display: block;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 2px rgba(20, 40, 70, 0.04), 0 10px 26px rgba(20, 40, 70, 0.05);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 44px rgba(20, 40, 70, 0.12);
}
.product-card-media {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: linear-gradient(150deg, #f4f7fb 0%, #eef4f9 55%, #eaf5ef 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card-media img {
  max-width: calc(100% - 48px);
  max-height: 170px;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform 0.55s ease;
}
.product-card:hover .product-card-media img { transform: scale(1.05); }
.product-card-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(150deg, #f4f7fb 0%, #eef4f9 55%, #eaf5ef 100%);
}
.product-card-body {
  padding: 26px 26px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.product-card-cat {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--faint);
  margin-bottom: 8px;
}
.product-card-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.product-card:hover .product-card-body h3 { color: var(--blue-text); }
.product-card-body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card-models {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 16px;
  display: block;
}
.product-card-models i { font-style: normal; color: var(--line); margin: 0 6px; }
.product-card-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 24px;
  margin-top: auto;
  border: 1px solid var(--blue-text);
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--blue-text);
  transition: background 0.25s ease, color 0.25s ease;
  align-self: flex-start;
}
.product-card:hover .product-card-link { background: var(--green); color: #fff; }
.product-cta {
  margin-top: 8px;
  background: linear-gradient(135deg, #072040 0%, #0b3d66 55%, #0f7a4e 130%);
  padding: 76px 0;
  text-align: center;
}
.product-cta-inner h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
}
.product-cta-inner p {
  margin-top: 12px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.78);
}
.product-cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 30px;
}
.product-cta-actions .btn-outline {
  border-color: rgba(255, 255, 255, 0.72);
  color: #fff;
  background: transparent;
}
.product-cta-actions .btn-outline:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.product-detail { display: flex; gap: 60px; align-items: flex-start; margin-bottom: 48px; }
.product-detail-img { flex: 1; background: var(--bg-soft); border-radius: var(--radius-lg); padding: 24px; }
.product-detail-img img { width: 100%; border-radius: var(--radius-md); }
.product-detail-info { flex: 1; padding-top: 12px; }
.product-detail-info h1 { font-size: clamp(26px, 3vw, 34px); margin-bottom: 14px; color: var(--ink); font-weight: 600; letter-spacing: -0.022em; }
.product-category { color: var(--faint); font-size: 14px; margin-bottom: 8px; }
.product-summary { color: var(--muted); margin: 14px 0 26px; font-size: 17px; }
.product-detail-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.product-features { margin: 8px 0 56px; }
.product-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}
.product-feature-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 36px 34px;
  box-shadow: 0 1px 2px rgba(20, 40, 70, 0.04), 0 10px 24px rgba(20, 40, 70, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.product-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 38px rgba(20, 40, 70, 0.1);
}
.product-feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.015em;
  margin-bottom: 12px;
}
.product-feature-card p { font-size: 14px; color: var(--muted); line-height: 1.75; }
#description {
  background:
    linear-gradient(180deg, #f5f9fd 0%, #ffffff 72%);
}
.product-description {
  max-width: 1000px;
  margin: 28px auto 0;
}
.app-scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 26px 0 8px;
}
.app-scene-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}
.app-scene-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px 22px;
  box-shadow: 0 10px 26px rgba(20, 40, 70, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.app-scene-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(20, 40, 70, 0.10);
}
.app-scene-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(15, 122, 78, 0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.app-scene-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--green);
}
.app-scene-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.app-scene-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 0;
}
@media (max-width: 960px) {
  .app-scene-grid, .app-scene-grid-2 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .app-scene-grid, .app-scene-grid-2 { grid-template-columns: 1fr; }
}
.product-description .overview-block {
  background: #fff;
  border: 1px solid #e5e9ef;
  border-radius: 18px;
  padding: 44px 52px;
  box-shadow: 0 18px 44px rgba(20, 40, 70, 0.06);
}
.structure-figure {
  margin: 20px 0 28px;
}
.structure-figure img {
  width: 100%;
  max-width: 680px;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
}
.figure-delivery img { width: 100%; max-width: 560px; }
.product-description .overview-block > h2 {
  position: relative;
  padding-left: 18px;
  text-align: left;
  font-size: 26px;
  margin: 0 0 24px;
}
.product-description .overview-block > h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 5px;
  height: 34px;
  border-radius: 3px;
  background: #0f7a4e;
}
.product-description .overview-block > h2::after {
  content: "PRODUCT OVERVIEW";
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: #86868b;
  margin-top: 3px;
}
.product-description .overview-block p:first-of-type {
  font-size: 19px;
  line-height: 1.95;
  color: #1d1d1f;
}
.product-description .overview-block p {
  color: #3f3f46;
}
.product-description .overview-block p + p {
  margin-top: 18px;
}
.product-description > h2:first-child {
  text-align: center;
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}
.product-description h2 {
  font-size: 26px;
  font-weight: 600;
  text-align: center;
  margin: 52px 0 26px;
  line-height: 1.3;
}
.product-description h2:first-child {
  margin-top: 0;
}
.product-description h3 {
  position: relative;
  padding-left: 34px;
  display: flex;
  align-items: center;
  margin: 34px 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
}
.product-description h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f7a4e' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M13 2 4 14h6l-1 8 9-12h-6l1-8z'/%3E%3C/svg%3E") center / contain no-repeat;
  background-repeat: no-repeat;
}
.product-description h3:nth-of-type(2)::before {
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f7a4e' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3 5 6v5c0 4.6 3 8.2 7 10 4-1.8 7-5.4 7-10V6l-7-3z'/%3E%3C/svg%3E") center / contain no-repeat;
}
.product-description h3:nth-of-type(3)::before {
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f7a4e' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 7h9M17 7h3M4 17h3M11 17h9'/%3E%3Ccircle cx='15' cy='7' r='2'/%3E%3Ccircle cx='9' cy='17' r='2'/%3E%3C/svg%3E") center / contain no-repeat;
}
.product-description h3 + p {
  margin: 0 0 30px 34px;
  padding: 0;
  background: none;
  border: none;
  color: #3f3f46;
  font-size: 16.5px;
  line-height: 2;
}
.product-description p {
  color: #3f3f46;
  font-size: 16.5px;
  line-height: 2;
}
.product-description p:first-of-type {
  font-size: 18px;
  line-height: 1.9;
  color: var(--ink);
}
.product-description strong {
  color: var(--blue-text);
  font-weight: 600;
}
.product-description table {
  border-collapse: separate;
  border-spacing: 14px 10px;
  margin: 24px -14px 8px;
  width: calc(100% + 28px);
}
.product-description table thead th {
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  border: none;
  border-radius: 12px;
  padding: 12px 10px;
  text-align: center;
}
.product-description table tbody td {
  background: linear-gradient(160deg, #0a2f57 0%, #0b4a86 60%, #0e7ac4 100%);
  color: #fff;
  font-size: 28px;
  font-weight: 600;
  border: none;
  border-radius: 12px;
  padding: 22px 10px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.product-description table.compare-table {
  border-collapse: collapse;
  border-spacing: 0;
  margin: 20px 0 8px;
  width: 100%;
}
.product-description table.compare-table th,
.product-description table.compare-table td {
  border: 1px solid var(--line);
  padding: 12px 14px;
  text-align: center;
  background: #fff;
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 400;
  border-radius: 0;
}
.product-description table.compare-table thead th {
  background: #eef2f6;
  color: var(--ink);
  font-weight: 600;
}
.product-description table.compare-table tbody td:first-child {
  font-weight: 600;
  color: var(--ink);
}
.product-description table.compare-table th:nth-child(2),
.product-description table.compare-table td:nth-child(2) {
  background: #eef7f1;
  color: #0b5a38;
  font-weight: 600;
}
.product-description table.compare-table thead th:nth-child(2) {
  background: #0f7a4e;
  color: #fff;
}
.product-specs { margin: 8px 0 24px; }
.spec-table-wrap {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg);
}
.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.spec-table th, .spec-table td {
  padding: 14px 20px;
  text-align: center;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.spec-table tr:last-child td { border-bottom: none; }
.spec-table thead th {
  background: #0f7a4e;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
}
.spec-table td.spec-name {
  color: var(--ink-2);
  font-weight: 500;
  background: var(--bg-soft);
  width: 18%;
}
.spec-table tbody tr:nth-child(even) td { background: rgba(245, 245, 247, 0.4); }
.spec-table tbody tr:nth-child(even) td.spec-name { background: var(--bg-soft); }
.spec-table td { color: var(--muted); line-height: 1.6; }
.spec-table td.spec-split + td.spec-split { border-left: 1px solid var(--line); }
.io-module-block {
  margin-top: 44px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}
.io-module-block h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 16px;
}
.io-module-block h3 span {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
  margin-left: 8px;
}
.io-module-table th:first-child { width: 220px; }
.io-module-table th { text-align: center; }
.io-module-table td { text-align: left; }
.io-module-table td.spec-name { text-align: center; }

/* ================= 分类导航 ================= */
.category-nav { display: flex; gap: 24px; flex-wrap: wrap; margin-bottom: 42px; justify-content: center; }
.category-nav a {
  padding: 8px 2px;
  color: var(--muted);
  font-size: 15px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.category-nav a:hover { color: var(--blue-text); border-color: var(--blue-text); text-decoration: none; }
.category-nav a.active { color: var(--ink); font-weight: 600; border-color: var(--ink); }

/* ================= 联系页 ================= */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.4fr; gap: 56px; align-items: start; }
.contact-info h2, .contact-form-box h2 { margin-bottom: 22px; font-size: 24px; color: var(--ink); font-weight: 700; letter-spacing: -0.01em; }
.contact-info p { margin-bottom: 12px; color: var(--muted); }
.contact-info strong { color: var(--ink); }
.contact-tip { color: var(--faint); margin-top: 20px; }
.contact-form-box {
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 14px; margin-bottom: 7px; color: var(--ink-2); font-weight: 500; }
.form-field input,
.form-field textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 16px;
  font-family: inherit;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--blue-text);
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.12);
}
.form-field textarea { resize: vertical; }
.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }
.form-status { margin-top: 12px; font-size: 14px; min-height: 20px; }
.form-status.ok { color: var(--green); }
.form-status.err { color: #d70015; }

/* ================= CTA（浅灰大区块） ================= */
.cta {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  text-align: center;
  padding: 100px 0;
}
.cta h2 { font-size: clamp(28px, 3.4vw, 42px); font-weight: 700; letter-spacing: -0.015em; color: var(--ink); margin-bottom: 14px; }
.cta p { color: var(--muted); margin-bottom: 30px; font-size: 17px; }

/* ================= 页脚（苹果浅灰小字） ================= */
.site-footer { background: var(--bg-soft); border-top: 1px solid var(--line); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1.5fr;
  gap: 48px;
  padding: 56px 0 40px;
}
.footer-col h4 { color: var(--ink); font-size: 13px; font-weight: 600; margin-bottom: 14px; }
.footer-col p { font-size: 13px; margin-bottom: 7px; color: var(--faint); }
.footer-col a { color: var(--faint); }
.footer-col a:hover { color: var(--ink); }
.footer-logo { height: 28px; width: auto; max-width: 200px; margin-bottom: 12px; }
.footer-qrcode {
  width: 108px;
  height: 108px;
  border-radius: 14px;
  background: #fff;
  padding: 6px;
  margin-top: 20px;
  box-shadow: 0 1px 2px rgba(20, 40, 70, 0.06), 0 10px 24px rgba(20, 40, 70, 0.08);
}
.qrcode-tip { margin-top: 10px; }
.footer-bottom { border-top: 1px solid var(--line); padding: 18px 0; font-size: 12px; color: var(--faint); }

/* ================= 滚动入场（克制的淡入） ================= */
html.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out);
}
html.js .reveal.visible { opacity: 1; transform: translateY(0); }

/* 网格分组入场：30–80ms 错峰，装饰性不阻塞交互 */
html.js .stagger > * {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 400ms var(--ease-out), transform 400ms var(--ease-out);
}
html.js .stagger.in > * {
  opacity: 1;
  transform: translateY(0);
}
.stagger.in > *:nth-child(2) { transition-delay: 45ms; }
.stagger.in > *:nth-child(3) { transition-delay: 90ms; }
.stagger.in > *:nth-child(4) { transition-delay: 135ms; }
.stagger.in > *:nth-child(5) { transition-delay: 180ms; }
.stagger.in > *:nth-child(6) { transition-delay: 225ms; }
.stagger.in > *:nth-child(7) { transition-delay: 270ms; }
.stagger.in > *:nth-child(8) { transition-delay: 315ms; }

/* ================= 按压反馈（全站可点卡片） ================= */
.card:active,
.product-card:active,
.news-card:active,
.sol-card:active,
.service-card:active,
.cert-card:active,
.app-scene-card:active,
.partner-logo-card:active {
  transform: translateY(0) scale(0.98);
}

/* ================= 触摸端 hover 门控：coarse 指针取消悬浮位移 ================= */
@media (hover: none), (pointer: coarse) {
  .feature-card:hover,
  .block:hover,
  .sol-card:hover,
  .service-card:hover,
  .card:hover,
  .news-card:hover,
  .product-card:hover,
  .cert-card:hover,
  .app-scene-card:hover,
  .partner-logo-card:hover {
    transform: none;
  }
  .card:hover img,
  .news-card:hover img,
  .product-card:hover .product-card-media img,
  .news-row:hover .news-row-thumb img {
    transform: none;
  }
  .partner-logo-img img:hover { filter: none; }
}

/* ================= 响应式 ================= */
@media (max-width: 1100px) {
  .news-detail-layout { grid-template-columns: minmax(0, 1fr) 260px; gap: 36px; }
}

@media (max-width: 960px) {
  .card-grid, .news-grid, .product-grid, .product-feature-grid { grid-template-columns: repeat(2, 1fr); }
  .sol-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 300px)); justify-content: center; }
  .partner-logo-grid { grid-template-columns: repeat(3, 1fr); }
  .sol-tier-grid { grid-template-columns: repeat(2, 1fr); }
  .sol-cap-grid { grid-template-columns: 1fr; }
  .sol-scene-grid { grid-template-columns: 1fr; }
  .mega-cols { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .mega-sol-grid { grid-template-columns: repeat(2, 1fr); }
  .product-subnav-inner { overflow-x: auto; }
  .quick-metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .product-description table { border-spacing: 10px 0; margin: 18px -10px; width: calc(100% + 20px); }
  .product-description table tbody td { font-size: 23px; padding: 18px 6px; }
  .product-description { max-width: 100%; }
  .product-description .overview-block { padding: 30px 22px; }
  .product-description h3 { padding-left: 28px; }
  .product-description h3::before { width: 20px; height: 20px; }
  .product-description h3 + p { margin-left: 28px; }
  .feature-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .feature-grid-4 { grid-template-columns: repeat(2, 1fr); max-width: none; margin: 0; }
  .svc-timeline { grid-template-columns: 1fr; gap: 34px 0; padding: 6px 0 0 40px; }
  .svc-timeline::before { top: 34px; bottom: 34px; left: 27px; right: auto; width: 2px; height: auto; }
  .svc-node { display: grid; grid-template-columns: 56px 1fr; column-gap: 18px; text-align: left; align-items: start; }
  .svc-node-no { margin: 0; }
  .tier { grid-template-columns: repeat(2, 1fr); gap: 34px 0; }
  .tier-item:nth-child(3) { border-left: none; }
  .sol-row, .sol-row:nth-child(even) { flex-direction: column; gap: 36px; }
  .sol-img { flex: none; width: 100%; }
  .service-flow { flex-wrap: wrap; }
  .service-flow-arrow { display: none; }
  .service-step { flex: 1 1 45%; }
  .about-wrap, .product-detail { flex-direction: column; }
  .about-img { width: 100%; }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .news-detail-layout { grid-template-columns: 1fr; }
  .news-detail-layout { gap: 36px; }
  .article-side { position: static; }
  .article-main { padding: 36px 28px 30px; }
  .article-hero { min-height: 320px; }
  .article-hero-inner { padding: 64px 0 48px; }
  .news-layout { grid-template-columns: 1fr; gap: 28px; }
  .news-cats { position: static; display: flex; flex-wrap: wrap; gap: 8px; }
  .news-cats h4 { width: 100%; }
  .cat-item { width: auto; padding: 7px 14px; }
}

@media (max-width: 680px) {
  .service-cards { grid-template-columns: 1fr; }
  .logo-img { height: 22px; max-width: 150px; }
  .nav-toggle { display: block; }
  .header-admin { display: none; }
  .main-nav {
    display: none;
    position: absolute;
    top: 52px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    padding: 10px 0;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.12);
  }
  .main-nav.open {
    display: flex;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out);
  }
  @starting-style {
    .main-nav.open { opacity: 0; transform: translateY(-6px); }
  }
  .main-nav a { padding: 13px 6%; border-bottom: 1px solid var(--line); }
  .main-nav a:last-child { border-bottom: none; }
  .nav-item { width: 100%; }
  .nav-item > .nav-link { flex: 1 1 auto; }
  .mega-caret {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 48px;
    height: 48px;
    background: none;
    border: none;
    color: var(--muted);
    font-size: 12px;
    cursor: pointer;
    transition: transform 0.25s ease;
  }
  .nav-item.open .mega-caret { transform: rotate(180deg); }
  .mega-panel {
    position: static;
    display: none;
    flex-basis: 100%;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: none;
    box-shadow: none;
  }
  .nav-item.open .mega-panel { display: block; }
  .mega-panel a { padding: 8px 0; border-bottom: none; }
  .mega-inner { width: 100%; padding: 6px 6% 18px; }
  .mega-head { display: none; }
  .mega-cols { grid-template-columns: 1fr; gap: 18px; }
  .mega-cat { border-bottom: none; padding-bottom: 6px; margin-bottom: 2px; }
  .mega-sol-grid { grid-template-columns: 1fr; gap: 10px; }
  .mega-sol { padding: 12px 14px; }
  .hero { padding: 64px 0 28px; }
  .hero-visual { margin-top: 44px; padding: 18px 8px; }
  .hero-visual img {
    width: 100%;
    max-width: 100%;
    max-height: 150px;
  }
  .hero-slide.hero-slide-gp5 .hero-visual img { max-height: 158px; }
  .hero-slide.hero-slide-spark .hero-visual img { max-height: 200px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .hero-stat strong { font-size: 28px; }
  .section { padding: 64px 0; }
  .card-grid, .news-grid, .product-grid, .product-feature-grid { grid-template-columns: 1fr; }
  .sol-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 300px)); justify-content: center; }
  .partner-logo-grid { grid-template-columns: repeat(2, 1fr); }
  .sol-tier-grid { grid-template-columns: 1fr; }
  .feature-grid-4 { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .sol-hero { padding: 36px 22px; }
  .tier { grid-template-columns: 1fr; gap: 0; }
  .tier-item + .tier-item { border-left: none; border-top: 1px solid var(--line); padding-top: 22px; }
  .blocks { grid-template-columns: 1fr; }
  .trial-steps { grid-template-columns: 1fr; gap: 34px; }
  .stat-row { grid-template-columns: 1fr; gap: 34px; }
  .service-step { flex: 1 1 100%; }
  .dl-actions { flex-wrap: wrap; }
  .dl-modal-toolbar { flex-direction: column; align-items: stretch; }
  .dl-modal-tools { justify-content: flex-end; flex-wrap: wrap; }
  .form-row { grid-template-columns: 1fr; }
  .page-header { padding: 46px 0; }
  .btn { padding: 11px 24px; font-size: 16px; }
  .news-detail-layout { gap: 28px; }
  .article-main { padding: 30px 22px 26px; border-radius: 4px; }
  .article-side { padding: 22px 20px; }
  .article-title { font-size: clamp(22px, 6.4vw, 28px); }
  .rich-content { font-size: 16px; line-height: 1.75; }
  .article-hero { min-height: 260px; }
  .article-hero-inner { padding: 48px 0 36px; }
  .article-hero-eyebrow { font-size: 12px; padding: 5px 12px; }
  .news-toolbar { flex-direction: column; align-items: stretch; }
  .news-search { max-width: none; }
  .news-select { width: 100%; }
  .news-row { flex-direction: column; gap: 14px; }
  .news-row-thumb { flex: none; width: 100%; height: 180px; }
  .news-pager { justify-content: center; }
  .product-cta { padding: 56px 0; }
  .product-cta-actions { flex-direction: column; align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}


/* ============================================================
   GP5000 极简 banner（pv-minimal）：浅灰平底 / 左文右图 / 统一灰面包屑
   仅产品 slug=gp5000 启用；其余产品与 lpfs 不受影响  2026-10-08
   ============================================================ */
.product-visual.pv-minimal{
  background: linear-gradient(180deg, #f5f5f7 0%, #eef1f5 100%);
  border-bottom: 1px solid var(--line);
  padding: 0;
  text-align: left;
}
.pv-minimal .product-visual-bg{ display: none; }
.pv-minimal .product-visual-inner{
  display: flex; align-items: center; gap: 48px;
  min-height: 360px; padding: 36px 0;
}
.pv-minimal .pv-txt{ flex: 0 0 520px; max-width: 520px; }
.pv-minimal .product-breadcrumb{
  margin-bottom: 22px; font-size: 13px; color: var(--faint);
}
.pv-minimal .product-breadcrumb a{ color: var(--faint); text-decoration: none; }
.pv-minimal .product-breadcrumb a:hover{ color: var(--ink-2); text-decoration: none; }
.pv-minimal .product-visual-cat{
  display: block; font-size: 13px; font-weight: 600;
  letter-spacing: .08em; color: var(--faint);
  margin-bottom: 10px;
}
.pv-minimal .product-visual-title{
  font-size: clamp(26px, 3vw, 33px);
  color: var(--ink); text-align: left;
  letter-spacing: -0.022em;
}
.pv-minimal .pv-accent{
  background: linear-gradient(100deg, var(--blue) 0%, var(--blue-400, #4fb0ef) 45%, var(--green) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.pv-minimal .product-visual-sub{
  margin: 14px 0 0; max-width: 500px;
  font-size: 15.5px; line-height: 1.75;
  color: var(--muted); text-align: left; text-wrap: balance;
}
.pv-minimal .product-visual-img{ margin: 0; padding: 0; flex: 1; text-align: right; }
.pv-minimal .pv-frame{ width: auto; max-width: 460px; display: inline-block; }
.pv-minimal .product-visual-img img{
  width: auto; height: auto; max-width: 460px; max-height: 288px;
  filter: drop-shadow(0 16px 26px rgba(20, 40, 70, 0.09));
}
@media (max-width: 767px){
  .pv-minimal .product-visual-inner{
    flex-direction: column; align-items: center; text-align: center;
    gap: 6px; min-height: 0; padding: 30px 0 0;
  }
  .pv-minimal .pv-txt{ flex: none; max-width: 100%; }
  .pv-minimal .product-visual-title{ text-align: center; }
  .pv-minimal .product-visual-sub{ margin-left: auto; margin-right: auto; }
  .pv-minimal .product-visual-img{ width: 100%; text-align: center; padding-bottom: 18px; }
  .pv-minimal .product-visual-img img{ max-width: 290px; }
}