/* ============================================================
   玺信官网 V6 · 共享样式
   白 #FFFFFF / 冷灰 #F1F4F7 / 墨 #101619 / 黄渐变 #FFF0A8→#FFD84D→#FEC200
   冰蓝光影仅作氛围。原生 CSS，无外部资源，系统中文字体。
   ============================================================ */

:root {
  --white: #FFFFFF;
  --cool: #F1F4F7;
  --cool-deep: #E8EDF2;
  --ink: #101619;
  --ink-2: #3E4A54;
  --ink-3: #6C7883;
  --line: #E2E8EE;
  --line-strong: #C9D3DC;
  --line-soft: #EBF0F5;
  --line-dark: rgba(255, 255, 255, 0.14);
  --grad-yellow: linear-gradient(125deg, #FFF0A8 0%, #FFD84D 38%, #FEC200 100%);
  --yellow: #FEC200;
  --yellow-soft: rgba(254, 194, 0, 0.14);
  --yellow-line: rgba(254, 194, 0, 0.4);
  --ice-glow: rgba(154, 190, 226, 0.4);
  --dark-panel: radial-gradient(120% 90% at 78% 6%, #26333F 0%, #131B22 52%, #0A0F14 100%);

  --nav-h: 76px;
  --max-w: 1280px;
  --pad-x: clamp(20px, 4.6vw, 76px);

  --ease: cubic-bezier(0.22, 0.61, 0.25, 1);
  --t-fast: 160ms;
  --t-med: 240ms;
  --t-slow: 300ms;

  --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", "Noto Sans CJK SC", -apple-system, "Segoe UI",
    Arial, sans-serif;
}

/* ---------- 基础 ---------- */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.01em;
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease),
    box-shadow var(--t-fast) var(--ease);
}

button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: #CFE0F2; color: var(--ink); }

[id] { scroll-margin-top: calc(var(--nav-h) + 24px); }

.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--pad-x);
  top: 10px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--ink);
  color: var(--white);
  font-size: 14px;
  border-radius: 8px;
  transform: translateY(-64px);
  transition: transform var(--t-fast) var(--ease);
}

.skip-link:focus-visible { transform: translateY(0); }

/* ---------- 双层切角标识与上标 ---------- */

.mark{display:none!important}
.mark::before,.mark::after{content:none!important}

.kicker {
  display: flex;
  align-items: center;
  gap: 13px;
  margin: 0 0 24px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.26em;
  color: var(--ink-2);
}

.kicker--dark { color: rgba(255, 255, 255, 0.78); }

.kicker--tight { margin-bottom: 14px; }

/* ---------- 字号层级 ---------- */

.h-display {
  font-size: clamp(34px, 4.7vw, 66px);
  line-height: 1.22;
  letter-spacing: 0.012em;
  font-weight: 600;
}

.h-section {
  font-size: clamp(27px, 3.1vw, 42px);
  line-height: 1.34;
  letter-spacing: 0.01em;
}

.h-block { font-size: clamp(20px, 1.9vw, 25px); line-height: 1.42; }

.lede {
  font-size: clamp(16.5px, 1.3vw, 19px);
  line-height: 1.9;
  color: var(--ink-2);
}

.num-ghost {
  font-size: clamp(34px, 3vw, 46px);
  font-weight: 250;
  line-height: 1;
  color: var(--strong, var(--line-strong));
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

/* ---------- 按钮与链接 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 30px;
  border-radius: 10px;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.05em;
  border: 1px solid transparent;
  transition: filter var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease),
    transform var(--t-fast) var(--ease),
    box-shadow var(--t-fast) var(--ease);
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  --grad-btn: linear-gradient(135deg, #2456D6 0%, #236BD8 100%);
  background: var(--grad-btn);
  color: #FFFFFF;
  box-shadow: 0 10px 24px rgba(36, 86, 214, 0.24);
}

.btn-primary:hover {
  box-shadow: 0 14px 30px rgba(36, 86, 214, 0.3);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--ink);
  color: var(--white);
}

.btn-dark:hover { background: #232E36; }

.btn-light {
  background: var(--white);
  color: var(--ink);
}

.btn-light:hover { background: var(--cool); }

.btn-pill { border-radius: 999px; }

.btn-sm { min-height: 40px; padding: 0 20px; font-size: 14px; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  padding-bottom: 6px;
  border-bottom: 1.5px solid var(--line-strong);
}

.link-arrow .arw {
  font-style: normal;
  transition: transform var(--t-fast) var(--ease);
}

.link-arrow:hover { border-bottom-color: #2456D6; }
.link-arrow:hover .arw { transform: translate(2px, -2px); }

.link-arrow--light {
  color: var(--white);
  border-bottom-color: rgba(255, 255, 255, 0.32);
}

.link-arrow--light:hover { border-bottom-color: #9FC0E8; }

.link-arrow--accent { border-bottom: 2px solid #9FC0E8; }

.link-more { margin-top: 30px; }

.mt-26 { margin-top: 26px; }

.mt-36 { margin-top: 36px; }

/* ---------- 序号底块 ---------- */

.num-chip {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: none;
  font-size: 16px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: #44566B;
  background: rgba(90, 115, 145, 0.12);
  border-radius: 6px;
}

.num-chip--sm { width: 34px; height: 34px; font-size: 13.5px; }
.num-chip--sm::before { content: none; }

/* ---------- 说明面板（全站集中使用，不每屏重复） ---------- */

.note {
  border: 1px solid var(--line);
  border-left: 3px solid #3E72B8;
  background: var(--cool);
  border-radius: 12px;
  padding: 20px 24px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-2);
}

.note b {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--ink);
}

.note--narrow { max-width: 44em; }

.lede--narrow { max-width: 44em; }

.mt-36.note { margin-top: 36px; }

/* ---------- 页头 ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--nav-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

.brand-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex: none;
}

.brand-name {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--ink);
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 36px;
}

.site-nav a:not(.btn) {
  position: relative;
  display: inline-block;
  padding: 6px 0;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  transition: color var(--t-fast) var(--ease);
}

.site-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 3px;
  background: var(--ink);
  border-radius: 2px;
  transition: right var(--t-med) var(--ease);
}

.site-nav a:not(.btn):hover { color: var(--ink); }
.site-nav a:not(.btn):hover::after { right: 0; }

.site-nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }
.site-nav a[aria-current="page"]::after { right: 0; }

/* 三线移动菜单：错落宽度 + 切角端点，展开合成 X */

.nav-toggle {
  display: none;
  position: relative;
  width: 48px;
  height: 48px;
  flex: none;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
}

.nav-toggle .bar {
  position: absolute;
  left: 50%;
  width: 24px;
  height: 2px;
  background: var(--ink);
  clip-path: polygon(0 0, calc(100% - 3px) 0, 100% 100%, 0 100%);
  transition: transform var(--t-med) var(--ease), opacity var(--t-med) var(--ease);
}

.nav-toggle .bar:nth-child(1) { transform: translate(-50%, -8px); }
.nav-toggle .bar:nth-child(2) { width: 17px; transform: translate(-50%, 0); }
.nav-toggle .bar:nth-child(3) { transform: translate(-50%, 8px); }

.nav-toggle[aria-expanded="true"] .bar:nth-child(1) {
  transform: translate(-50%, 0) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }

.nav-toggle[aria-expanded="true"] .bar:nth-child(3) {
  transform: translate(-50%, 0) rotate(-45deg);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.hero::before {
  top: -22%;
  right: -14%;
  width: 62%;
  height: 86%;
  background: radial-gradient(closest-side, rgba(178, 208, 240, 0.5), rgba(178, 208, 240, 0) 72%);
}

.hero::after {
  bottom: -34%;
  left: -16%;
  width: 52%;
  height: 70%;
  background: radial-gradient(closest-side, rgba(203, 222, 244, 0.42), rgba(203, 222, 244, 0) 70%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 45fr) minmax(0, 55fr);
  align-items: center;
  gap: clamp(32px, 4.5vw, 72px);
  padding-top: clamp(44px, 5.6vw, 84px);
  padding-bottom: clamp(44px, 5.6vw, 84px);
}

.hero-copy .h-display { margin-bottom: 24px; }
.hero-copy .lede { max-width: 30em; margin-bottom: 38px; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 30px;
}

/* 玻璃底座：伪元素单独变换，产品图保持原始比例不受影响 */

.hero-stage {
  position: relative;
  margin: 0;
  padding: 0 4% 7%;
}

.hero-stage::before {
  content: "";
  position: absolute;
  left: 2%;
  right: -2%;
  bottom: 1%;
  height: 30%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72) 0%, rgba(198, 220, 244, 0.5) 60%, rgba(255, 255, 255, 0.2) 100%);
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  border-radius: 14px;
  box-shadow: 0 30px 60px rgba(88, 128, 176, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.95);
  transform: perspective(720px) rotateX(56deg);
  transform-origin: 50% 100%;
}

.hero-stage::after {
  content: "";
  position: absolute;
  left: 12%;
  right: 8%;
  bottom: 24%;
  height: 10%;
  background: radial-gradient(closest-side, rgba(120, 160, 205, 0.3), rgba(120, 160, 205, 0) 75%);
  filter: blur(6px);
}

.hero-stage img {
  position: relative;
  z-index: 1;
  width: min(560px, 94%);
  margin-inline: auto;
  filter: drop-shadow(0 26px 38px rgba(70, 110, 158, 0.24));
}

/* 说明置于玻璃底座伪元素之上，避免被半透明白面盖住 */
.hero-stage .media-caption {
  position: relative;
  z-index: 2;
  color: var(--ink-2);
}

.media-caption {
  margin-top: 16px;
  font-size: 13.5px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  text-align: center;
}

/* ---------- 三项功能带 ---------- */

.band3-section { padding: clamp(28px, 3.4vw, 48px) 0; }

.band3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 18px 44px rgba(96, 128, 162, 0.08);
  overflow: hidden;
}

.band3 li {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: clamp(22px, 2.6vw, 34px) clamp(20px, 2.6vw, 36px);
}

.band3 li + li { border-left: 1px solid var(--line); }

.band3 .b-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.band3 .b-desc { font-size: 14.5px; line-height: 1.75; color: var(--ink-3); }

/* ---------- 区块通用 ---------- */

.section { padding: clamp(64px, 7.4vw, 112px) 0; }

.section + .section { border-top: 1px solid var(--line); }

.section--cool { background: var(--cool); }

.section--dark {
  background: var(--ink);
  color: var(--white);
}

.section-head { max-width: 56em; margin-bottom: clamp(36px, 4.4vw, 64px); }

.section-head--flush { margin-bottom: 0; }

.section-head .lede { max-width: 40em; margin-top: 16px; }

/* ---------- 深色智能印章大展台 ---------- */

.stage-dark {
  position: relative;
  overflow: hidden;
  background: var(--dark-panel);
  color: var(--white);
  border-radius: 26px;
  padding: clamp(32px, 4.6vw, 80px);
}

.stage-dark::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -10%;
  width: 55%;
  height: 80%;
  background: radial-gradient(closest-side, rgba(118, 162, 208, 0.22), rgba(118, 162, 208, 0) 72%);
  pointer-events: none;
}

.stage-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 52fr) minmax(0, 48fr);
  gap: clamp(32px, 4.6vw, 80px);
  align-items: center;
}

.stage-media { margin: 0; }

.stage-media img {
  width: min(470px, 100%);
  margin-inline: auto;
  filter: drop-shadow(0 34px 48px rgba(0, 0, 0, 0.5));
}

.stage-copy .h-section { margin-bottom: 20px; }
.stage-copy .lede { color: rgba(255, 255, 255, 0.76); margin-bottom: 32px; }

/* 流程：黄渐变编号 + 细箭头 */

.flow {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 44px;
}

.flow li { position: relative; }

.flow .f-num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: #44566B;
  background: rgba(90, 115, 145, 0.12);
  border-radius: 6px;
  margin-bottom: 10px;
}

.flow .f-word {
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.flow li + li::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 16px;
  width: 19px;
  height: 2px;
  background: var(--ink-3);
}

.flow li + li::after {
  content: "";
  position: absolute;
  left: -16px;
  top: 12px;
  width: 7px;
  height: 7px;
  border-top: 2px solid var(--ink-3);
  border-right: 2px solid var(--ink-3);
  transform: rotate(45deg);
}

/* 深色区流程保留黄色箭头 */
.stage-dark .flow li + li::before {
  background: #9FC0E8;
}

.stage-dark .flow li + li::after {
  border-color: #9FC0E8;
}

/* ---------- 产品关系结构 ---------- */

.sys { border-top: 1px solid var(--line); }

.sys li {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 18px 32px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

.sys .sys-tag {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--ink-3);
}

.sys .sys-name {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: 4px;
}

.sys .sys-name::before {
  content: "";
  width: 9px;
  height: 9px;
  flex: none;
  background: #8FB4DC;
  clip-path: polygon(0 0, calc(100% - 3px) 0, 100% 3px, 100% 100%, 0 100%);
}

.sys .sys-desc { font-size: 15px; color: var(--ink-2); line-height: 1.8; }

/* 分层目录（产品页完整版） */

.stack { display: grid; gap: 14px; }

.stack > li {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 16px 32px;
  padding: 24px 26px;
  background: var(--cool);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.stack .sys-tag { padding-top: 3px; }

.stack .stack-items {
  display: grid;
  gap: 12px;
}

.stack .stack-item b {
  display: block;
  font-size: 16.5px;
  font-weight: 600;
  margin-bottom: 2px;
}

.stack .stack-item span { font-size: 14.5px; color: var(--ink-2); }

/* 资料类型 chips */

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 4px;
}

.chips li {
  padding: 7px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--white);
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--ink-2);
}

.chips li b { color: var(--ink); font-weight: 600; }

/* ---------- 要点列表 ---------- */

.points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 28px;
  margin: 26px 0;
}

.points li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
}

.points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 10px;
  height: 10px;
  background: #8FB4DC;
  clip-path: polygon(0 0, calc(100% - 3px) 0, 100% 3px, 100% 100%, 0 100%);
}

.points--col1 { grid-template-columns: 1fr; }

/* ---------- 行业 tabs ---------- */

.tab-list {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
}

.tab {
  position: relative;
  padding: 16px clamp(16px, 2.2vw, 30px) 18px;
  font-size: clamp(15.5px, 1.4vw, 18px);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  transition: color var(--t-fast) var(--ease);
}

.tab:hover { color: var(--ink); }

.tab::after {
  content: "";
  position: absolute;
  left: clamp(16px, 2.2vw, 30px);
  right: clamp(16px, 2.2vw, 30px);
  bottom: -1px;
  height: 3px;
  border-radius: 2px;
  background: #2456D6;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med) var(--ease);
}

.tab[aria-selected="true"] { color: var(--ink); font-weight: 600; }
.tab[aria-selected="true"]::after { transform: scaleX(1); }

.tab-panel { padding-top: clamp(28px, 3.4vw, 48px); }
.tab-panel[hidden] { display: none; }

.industry-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(28px, 4vw, 64px);
  animation: panel-in var(--t-slow) var(--ease);
}

@keyframes panel-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.industry-title { font-size: clamp(22px, 2.2vw, 30px); margin-bottom: 24px; }

.field { margin-bottom: 22px; }

.field-label {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--ink-3);
  margin: 0 0 8px;
}

.field p { font-size: 15.5px; line-height: 1.8; color: var(--ink-2); }

.field--start {
  border: 1px solid #C9D9EC;
  border-left: 3px solid #3E72B8;
  background: rgba(62, 114, 184, 0.08);
  border-radius: 12px;
  padding: 18px 22px;
}

/* ---------- 技术横幅（浅色）与研发方向 ---------- */

.duo {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(32px, 4.6vw, 80px);
  align-items: start;
}

.theme-list li {
  display: grid;
  grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
  gap: 8px 28px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

.theme-list .th-name {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.theme-list .th-desc { font-size: 14.5px; color: var(--ink-2); line-height: 1.8; }

.research-list { border-top: 1px solid var(--line-dark); }

.research-list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 8px;
  padding: clamp(22px, 2.6vw, 34px) 0;
  border-bottom: 1px solid var(--line-dark);
  align-items: start;
  align-content: start;
}

.research-list .r-index {
  grid-column: 1;
  grid-row: 1;
  padding-top: 4px;
}

.research-list h3 {
  grid-column: 2;
  grid-row: 1;
  font-size: clamp(20px, 1.9vw, 23px);
  line-height: 1.45;
  align-self: start;
}

.research-list p {
  grid-column: 2;
  grid-row: 2;
}

.research-list .r-index {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.5);
  font-variant-numeric: tabular-nums;
  padding-top: 6px;
}

.research-list h3 {
  font-size: clamp(18px, 1.8vw, 23px);
  margin-bottom: 12px;
}

.research-list h3 .t-tag {
  display: inline-block;
  vertical-align: 3px;
  margin-left: 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: #44566B;
  background: #E7EEF5;
  padding: 3px 10px;
  border-radius: 4px;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
}

.research-list p {
  font-size: 15px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.74);
}

/* 深色研发区 */

.section--dark .lede { color: rgba(255, 255, 255, 0.74); }

/* ---------- 四步条（流程/路径/方法） ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 18px;
  overflow: hidden;
}

.steps li {
  position: relative;
  padding: 26px 26px 28px;
}

.steps li + li { border-left: 1px solid var(--line); }

.steps li + li::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  width: 9px;
  height: 9px;
  border-top: 2px solid #9AAFC4;
  border-right: 2px solid #9AAFC4;
  background: var(--white);
  z-index: 1;
}

.steps .st-index {
  display: block;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: #44566B;
  background: rgba(90, 115, 145, 0.12);
  border-radius: 6px;
  margin-bottom: 16px;
}

.steps .st-word {
  font-size: clamp(15.5px, 1.4vw, 18px);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.6;
}

/* 行业方案字段组 */

.sol-head {
  display: flex;
  align-items: baseline;
  gap: clamp(18px, 2.4vw, 36px);
  margin-bottom: clamp(24px, 3vw, 40px);
}

.sol-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  border-top: 1px solid var(--line);
  padding-top: clamp(24px, 3vw, 40px);
}

.sol-fields .field { margin-bottom: 0; }

/* 四问 */

.questions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.questions li {
  background: var(--cool);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: clamp(24px, 2.8vw, 38px) clamp(20px, 2.2vw, 30px);
}

.questions .q-index {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--ink-3);
  margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
}

.questions .q-text {
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.5;
}

/* ---------- 隐私配图 ---------- */

.privacy-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(32px, 4.6vw, 80px);
  align-items: center;
}

.privacy-grid .media-frame { margin: 0; }

.media-frame img {
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: 0 24px 56px rgba(88, 120, 158, 0.16);
}

.media-note { margin-top: 14px; font-size: 13px; color: var(--ink-3); letter-spacing: 0.06em; }

/* ---------- 子页通用 ---------- */

.page-head {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 5vw, 72px) 0 clamp(36px, 4.4vw, 56px);
  border-bottom: 1px solid var(--line);
}

.page-head::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 50%;
  height: 120%;
  background: radial-gradient(closest-side, rgba(178, 208, 240, 0.36), rgba(178, 208, 240, 0) 70%);
  pointer-events: none;
}

.page-head > .container { position: relative; }

.crumbs { padding-top: 22px; }

.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: 0.05em;
}

.crumbs li { display: flex; align-items: center; gap: 10px; }
.crumbs li + li::before { content: "/"; color: var(--line-strong); }
.crumbs a:hover { color: var(--ink); }
.crumbs [aria-current="page"] { color: var(--ink); }

.page-head .h-display {
  font-size: clamp(32px, 4.2vw, 56px);
  margin: 10px 0 20px;
}

.page-head .lede { max-width: 40em; }

.subnav {
  position: sticky;
  top: var(--nav-h);
  z-index: 60;
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.subnav ul {
  display: flex;
  gap: 6px 30px;
  overflow-x: auto;
  scrollbar-width: none;
}

.subnav ul::-webkit-scrollbar { display: none; }

.subnav a {
  display: inline-block;
  padding: 14px 0 12px;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  border-bottom: 2.5px solid transparent;
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.subnav a:hover { color: var(--ink); border-bottom-color: var(--line-strong); }

.subnav a .sn-index {
  display: inline-block;
  min-width: 20px;
  padding: 1px 5px 0;
  margin-right: 7px;
  font-size: 11.5px;
  font-weight: 700;
  line-height: 17px;
  font-variant-numeric: tabular-nums;
  text-align: center;
  color: #5A7391;
  vertical-align: 1px;
}

/* 详情区块 */

.detail { padding: clamp(52px, 6.4vw, 96px) 0; }
.detail + .detail { border-top: 1px solid var(--line); }

.detail-kicker { margin-bottom: clamp(20px, 2.4vw, 32px); }

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  grid-template-areas:
    "head media"
    "rest media";
  grid-template-rows: auto 1fr;
  gap: 10px clamp(32px, 5vw, 80px);
  align-items: start;
}

.detail-grid--media-left {
  grid-template-columns: minmax(0, 0.96fr) minmax(0, 1.04fr);
  grid-template-areas:
    "media head"
    "media rest";
}

.detail-copy-head { grid-area: head; }
.detail-copy-rest { grid-area: rest; }

.detail-media {
  grid-area: media;
  align-self: center;
}

.detail-copy .h-section { margin-bottom: 18px; }

.detail-copy .lede { font-size: 16.5px; margin-bottom: 4px; }

.detail-media { margin: 0; }

.detail-media .plate {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(28px, 3.4vw, 56px);
  border-radius: 20px;
  background: var(--cool);
  border: 1px solid var(--line);
}

.detail-media .plate--dark {
  background: var(--dark-panel);
  border-color: #0A0F14;
}

.detail-media .plate img { width: min(400px, 84%); }
.detail-media .plate--dark img { width: min(360px, 76%); }

/* ---------- 联系与工具 ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(36px, 5vw, 88px);
  align-items: start;
}

.contact-list { border-top: 0; }

.contact-list > li {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

.contact-list .c-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--ink-3);
}

.contact-list .c-value {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  font-size: clamp(16px, 1.4vw, 18.5px);
  line-height: 1.75;
  word-break: normal;
}

.contact-list a { border-bottom: 1px solid var(--line-strong); }
.contact-list a:hover { border-bottom-color: #2456D6; }

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding: 7px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--white);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.copy-btn:hover { border-color: var(--ink); color: var(--ink); }

.copy-status {
  flex-basis: 100%;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  min-height: 1.4em;
}

.copy-status.is-error { color: #A4402F; }

.contact-note {
  margin-top: 22px;
  font-size: 13.5px;
  color: var(--ink-3);
  line-height: 1.8;
}

/* 咨询要点工具 */

.tool {
  border: 1px solid var(--line);
  background: var(--cool);
  border-radius: 18px;
  padding: clamp(26px, 3.4vw, 44px);
}

.tool h3 { font-size: clamp(19px, 1.9vw, 24px); margin-bottom: 10px; }

.tool-desc {
  font-size: 14px;
  color: var(--ink-3);
  margin-bottom: 28px;
  line-height: 1.8;
}

.tool-field { margin-bottom: 18px; }

.tool-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}

.tool-field input,
.tool-output textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.tool-field input:focus-visible,
.tool-output textarea:focus-visible {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 1px var(--ink);
}

.tool-field input::placeholder,
.tool-output textarea::placeholder { color: #9AA6B1; }

.tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.tool-output { margin-top: 26px; }

.tool-output label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}

.tool-output textarea {
  min-height: 180px;
  resize: vertical;
  line-height: 1.8;
}

.tool-hint {
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--ink-3);
  line-height: 1.8;
}

/* ---------- FAQ（双线图标 + 平滑展开） ---------- */

.faq { border-top: 1px solid var(--line); }

.faq details { border-bottom: 1px solid var(--line); }

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 44px;
  padding: 12px 4px;
  font-size: clamp(16px, 1.5vw, 18.5px);
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  list-style: none;
  transition: color var(--t-fast) var(--ease);
}

.faq summary::-webkit-details-marker { display: none; }

.faq-icon {
  position: relative;
  width: 40px;
  height: 40px;
  flex: none;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: var(--white);
  transition: background-color var(--t-med) var(--ease), border-color var(--t-med) var(--ease);
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 14px;
  height: 2px;
  background: var(--ink-2);
  transform: translate(-50%, -50%);
  transition: transform var(--t-med) var(--ease), background-color var(--t-med) var(--ease);
}

.faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); }

.faq summary:hover { color: var(--ink); }
.faq summary:hover .faq-icon { border-color: var(--ink); }

.faq details[open] .faq-icon {
  background: #E7EEF5;
  border-color: #D6DFE8;
}

.faq details[open] .faq-icon::before,
.faq details[open] .faq-icon::after { background: var(--ink); }

.faq details[open] .faq-icon::after { transform: translate(-50%, -50%) scaleX(0); }

.faq .faq-body { overflow: hidden; }

.faq .faq-a {
  padding: 2px 4px 24px;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-2);
}

/* ---------- 收尾 CTA ---------- */

.closing {
  position: relative;
  overflow: hidden;
  text-align: left;
}

.closing::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -8%;
  width: 46%;
  height: 130%;
  background: radial-gradient(closest-side, rgba(255, 216, 77, 0.18), rgba(255, 216, 77, 0) 72%);
  pointer-events: none;
}

.closing .container { position: relative; }

.closing .lede { max-width: 34em; margin-top: 18px; }

/* ---------- 页脚（多列分组导航） ---------- */

.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.8);
}

.footer-brand-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: clamp(48px, 5.6vw, 72px) 0 28px;
  border-bottom: 1px solid var(--line-dark);
  margin-bottom: clamp(28px, 3.6vw, 44px);
}

.footer-brand-row img { width: 42px; height: 42px; flex: none; }

.footer-brand-row .f-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--white);
}

.footer-brand-row .f-tagline {
  margin-left: 14px;
  padding-left: 14px;
  border-left: 1px solid var(--line-dark);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.5);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 1.3fr);
  gap: clamp(28px, 3.4vw, 48px);
  padding-bottom: clamp(40px, 5vw, 60px);
}

.footer-col h3 {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.45);
  margin: 0 0 18px;
}

.footer-col li { margin-bottom: 11px; font-size: 14.5px; }

.footer-col a:hover { color: #2456D6; }

.footer-contact li {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 12px;
}

.footer-contact .fc-label {
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.45);
  padding-top: 2px;
}

.footer-contact a { border-bottom: 1px solid rgba(255, 255, 255, 0.24); }
.footer-contact a:hover { color: #2456D6; border-bottom-color: #2456D6; }

.footer-bottom {
  border-top: 1px solid var(--line-dark);
  padding: 20px 0 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.05em;
}

.footer-bottom a:hover { color: #2456D6; }

/* ---------- 回到顶部 ---------- */

.back-top {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(16px, 3vw, 32px);
  z-index: 90;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 12px 30px rgba(16, 22, 25, 0.28);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease),
    visibility 0s linear var(--t-med);
}

.back-top.is-show {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease);
}

.back-top:hover { background: #232E36; }

.back-top svg { width: 16px; height: 16px; }

/* ---------- 滚动浮现（JS 增强，默认可见；子项 60ms 级联） ---------- */

.js [data-reveal] {
  transition: opacity 400ms var(--ease), transform 400ms var(--ease);
}

.js [data-reveal].pre {
  opacity: 0;
  transform: translateY(12px);
}

.js [data-reveal].pre > * {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 400ms var(--ease), transform 400ms var(--ease);
}

.js [data-reveal].in > * {
  opacity: 1;
  transform: none;
}

.js [data-reveal].in > :nth-child(2) { transition-delay: 60ms; }
.js [data-reveal].in > :nth-child(3) { transition-delay: 120ms; }
.js [data-reveal].in > :nth-child(n+4) { transition-delay: 180ms; }

/* ---------- 响应式 ---------- */

@media (max-width: 1120px) {
  .sys li { grid-template-columns: 132px minmax(0, 1fr); }
  .stack > li { grid-template-columns: 150px minmax(0, 1fr); }
  .research-list li { grid-template-columns: 56px minmax(0, 1fr); }

}

@media (max-width: 1024px) {
  .questions { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-col--contact { grid-column: 1 / -1; }
  .theme-list li { grid-template-columns: 160px minmax(0, 1fr); }
}

@media (max-width: 960px) {
  .hero-grid,
  .stage-grid,
  .duo,
  .privacy-grid,
  .contact-grid,
  .industry-panel,
  .detail-grid { grid-template-columns: 1fr; }

  /* 手机产品段：标题与简短说明 → 核心图 → 能力与流程 */
  .detail-grid,
  .detail-grid--media-left {
    grid-template-areas:
      "head"
      "media"
      "rest";
    grid-template-rows: auto auto auto;
    gap: 18px;
  }

  .detail-media { order: 0; max-width: 620px; }

  /* 手机：先完整文字与按钮，再产品图 */
  .hero-grid .hero-stage { order: 2; max-width: 560px; }
  .stage-grid .stage-media { order: 2; max-width: 520px; }

  .hero-copy .lede { max-width: none; }

  .band3 { grid-template-columns: 1fr; }
  .band3 li + li { border-left: 0; border-top: 1px solid var(--line); }

  .steps { grid-template-columns: 1fr 1fr; }
  .steps li:nth-child(2n) { border-left: 0; }
  .steps li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .steps li:nth-child(2)::before,
  .steps li:nth-child(4)::before { content: none; }

  .sol-head { flex-direction: column; gap: 10px; align-items: flex-start; }
  .sol-fields { grid-template-columns: 1fr; gap: 20px; }

  .privacy-grid .media-frame { order: 2; }

  .footer-grid { gap: 32px; }
}

@media (max-width: 1240px) {
  .site-nav ul { gap: 20px; }
  .site-nav a:not(.btn) { font-size: 14px; }
  .brand-sub { display: none; }
}

@media (max-width: 1180px) {
  .nav-toggle { display: inline-flex; }

  .lang-switch--desktop { display: none; }
  .lang-switch--mobile { display: block; }

  .site-nav {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 28px 44px rgba(16, 22, 25, 0.14);
    display: none;
  }

  .site-nav.is-open { display: block; }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--pad-x) 24px;
  }

  .site-nav li { border-bottom: 1px solid var(--line); }
  .site-nav li:last-child { border-bottom: 0; padding-top: 16px; }

  .site-nav a:not(.btn) { display: block; padding: 15px 0; font-size: 16px; }
  .site-nav a:not(.btn)::after { content: none; }

  .nav-cta .btn { width: 100%; }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; }

  .hero-stage img { width: 100%; }
  .stage-media img { width: 100%; }

  .band3 li { gap: 14px; }

  .flow { gap: 14px 26px; }
  .flow .f-word { font-size: 14.5px; }
  .flow li + li::before { left: -21px; width: 12px; }
  .flow li + li::after { left: -10px; top: 13px; }

  /* 旧 #seal 三等列特例已删除：移动端所有产品 flow 统一纵向清单 */

  .sys li { grid-template-columns: 1fr; gap: 6px; }
  .stack > li { grid-template-columns: 1fr; gap: 10px; padding: 20px; }

  .steps { grid-template-columns: 1fr; }
  .steps li + li { border-left: 0; border-top: 1px solid var(--line); }
  .steps li::before { content: none !important; }

  .questions { grid-template-columns: 1fr; }

  .theme-list li { grid-template-columns: 1fr; gap: 4px; }

  .contact-list > li { grid-template-columns: 1fr; gap: 8px; }

  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .tool-actions .btn { width: 100%; }

  .cta-row .btn { min-height: 48px; }
}

@media (max-width: 400px) {
  .brand-name { font-size: 19px; }
  .brand-logo { width: 34px; height: 34px; }
  .num-chip { width: 38px; height: 38px; font-size: 14px; }
}

/* ============================================================
   V7 新增组件：内页首屏 / 成果卡片 / 专利 / 荣誉 / 项目 / 行业图示 /
   发展历程 / 业务方向 / 联系节点 / 页内流程动效
   ============================================================ */

/* 内页首屏（左文右图） */

.page-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 50%;
  height: 120%;
  background: radial-gradient(closest-side, rgba(178, 208, 240, 0.36), rgba(178, 208, 240, 0) 70%);
  pointer-events: none;
}

.page-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  gap: clamp(32px, 4.6vw, 72px);
  align-items: center;
  padding-top: clamp(40px, 5vw, 68px);
  padding-bottom: clamp(40px, 5vw, 64px);
}

.page-hero .h-display {
  font-size: clamp(32px, 4.2vw, 56px);
  margin: 10px 0 20px;
}

.page-hero .lede { max-width: 36em; text-wrap: balance; }

.page-hero-media { margin: 0; }

.page-hero-media img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: 0 24px 56px rgba(88, 120, 158, 0.16);
}

.page-hero-media .plate {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(24px, 3vw, 48px);
  background: var(--cool);
  border: 1px solid var(--line);
  border-radius: 20px;
}

.page-hero-media .plate img {
  width: min(400px, 86%);
  border: 0;
  border-radius: 0;
  box-shadow: none;
  filter: drop-shadow(0 26px 38px rgba(70, 110, 158, 0.22));
}

/* 创新成果与项目实践卡片 */

.cards3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.card-link {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease);
}

.card-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(70, 100, 140, 0.14);
}

.card-thumb {
  height: 190px;
  background: var(--cool);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-thumb--contain img {
  object-fit: contain;
  padding: 14px;
  background: var(--white);
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 7px;
  flex: 1;
  padding: 20px 22px 22px;
}

.card-tag {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--ink-3);
}

.card-title { font-size: 17px; font-weight: 600; letter-spacing: 0.02em; }

.card-desc { font-size: 14px; line-height: 1.75; color: var(--ink-2); }

.card-link .link-arrow { margin-top: auto; padding-top: 12px; }

/* 代表性专利 */

.patent-list { border-top: 1px solid var(--line); }

.patent-list li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 18px 22px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.patent-title { font-size: clamp(16.5px, 1.5vw, 19px); font-weight: 600; line-height: 1.55; }

.patent-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  margin: 10px 0 8px;
  font-size: 14px;
  color: var(--ink-2);
}

.patent-meta b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }

.patent-dir { font-size: 14.5px; color: var(--ink-2); }

.patent-dir .pd-label {
  margin-right: 12px;
  font-weight: 600;
  color: var(--ink);
}

.patent-link { margin-top: 12px; }

.small-note {
  margin-top: 20px;
  font-size: 13px;
  color: var(--ink-3);
  line-height: 1.8;
}

/* 荣誉证书 */

.honor-group + .honor-group {
  border-top: 1px solid var(--line);
  margin-top: clamp(44px, 5vw, 64px);
  padding-top: clamp(40px, 4.6vw, 60px);
}

.honor-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 20px;
  margin-bottom: 24px;
}

.honor-head h3 { font-size: clamp(20px, 2vw, 26px); }

.honor-note { font-size: 13.5px; color: var(--ink-3); }

.honor-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.honor-grid--single { grid-template-columns: minmax(0, 400px); }

.honor-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease);
}

.honor-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(70, 100, 140, 0.14);
}

.honor-figure {
  margin: 0;
  background: var(--cool);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}

.honor-figure img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.honor-body { padding: 18px 6px 6px; }

.honor-title { font-size: 17px; font-weight: 600; line-height: 1.55; }

.honor-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin: 12px 0 8px;
}

.award-chip {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #44566B;
  border-radius: 6px;
}

.award-chip--silver {
  background: var(--cool-deep);
  border: 1px solid var(--line-strong);
  clip-path: none;
}

.honor-year { font-size: 13.5px; color: var(--ink-3); font-variant-numeric: tabular-nums; }

.honor-owner {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.75;
  margin-bottom: 12px;
}

.honor-owner b { font-weight: 600; color: var(--ink); }

/* 项目案例 */

.project-entry { padding: clamp(40px, 5vw, 64px) 0; }
.project-entry + .project-entry { border-top: 1px solid var(--line); }

.project-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
}

.project-grid--flip > .project-media { order: 2; }
.project-grid--flip > .project-copy { order: 1; }

.project-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #5A7391;
  border-radius: 6px;
  margin-bottom: 14px;
}

.project-copy .h-block { margin-bottom: 14px; }

.project-copy .lede { font-size: 16px; margin-bottom: 18px; }

.project-media { margin: 0; }

.project-media img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  box-shadow: 0 20px 44px rgba(70, 100, 140, 0.14);
}

.project-media .media-caption { text-align: left; }

/* 票据流转 / 行业流程节点图 */

.node-flow {
  display: flex;
  align-items: stretch;
  gap: 18px;
  background: var(--cool);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
}

.node-flow .nf-node {
  position: relative;
  flex: 1;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 14px;
  text-align: center;
}

.nf-node b { display: block; font-size: 15px; margin-bottom: 4px; letter-spacing: 0.04em; }

.nf-node span { font-size: 12.5px; color: var(--ink-3); line-height: 1.6; display: block; }

.nf-node + .nf-node::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 50%;
  width: 10px;
  height: 2px;
  background: var(--ink-3);
  transform: translateY(-50%);
}

.nf-node + .nf-node::after {
  content: "";
  position: absolute;
  left: -6px;
  top: 50%;
  width: 7px;
  height: 7px;
  border-top: 2px solid var(--ink-3);
  border-right: 2px solid var(--ink-3);
  transform: translateY(-50%) rotate(45deg);
}

/* 行业差异图示容器 */

.sol-viz {
  margin-top: 28px;
  background: var(--cool);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px 26px;
}

.viz-title {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--ink-3);
  margin-bottom: 16px;
}

/* 企业：资料清单卡 */

.viz-docs li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.viz-docs li + li { margin-top: 10px; }

.viz-docs .vd-name { flex: none; width: 76px; font-size: 15px; font-weight: 600; }

.viz-docs .vd-desc { font-size: 13.5px; color: var(--ink-2); flex: 1; }

.viz-check {
  flex: none;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
  color: #3E72B8;
  background: #E9F0F8;
  border-radius: 6px;
  clip-path: polygon(0 0, calc(100% - 5px) 0, 100% 5px, 100% 100%, 0 100%);
}

/* 金融：核对行 */

.viz-checks .vc-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.viz-checks .vc-row + .vc-row { margin-top: 10px; }

.viz-checks .vc-name { flex: 1; font-size: 14.5px; font-weight: 500; }

.viz-checks .vc-state {
  flex: none;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-2);
  background: var(--white);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 3px 12px;
}

.viz-checks .vc-sum {
  margin-top: 12px;
  padding: 10px 16px;
  border-left: 3px solid #3E72B8;
  background: rgba(62, 114, 184, 0.08);
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--ink);
}

/* 医疗：权限关系 2×2 */

.viz-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.viz-matrix li {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 13px 15px;
}

.viz-matrix b { display: block; font-size: 14.5px; margin-bottom: 3px; }

.viz-matrix span { font-size: 12.5px; color: var(--ink-2); line-height: 1.6; display: block; }

/* 发展历程（关于页） */

.timeline-v { border-left: 2px solid var(--line); margin-left: 6px; }

.timeline-v li {
  position: relative;
  padding: 0 0 30px 30px;
}

.timeline-v li:last-child { padding-bottom: 4px; }

.timeline-v li::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 5px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #8FB4DC;
  box-shadow: 0 0 0 4px var(--white);
}

.tl-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; }

.tl-title { font-size: 16.5px; font-weight: 600; }

.tl-desc { margin-top: 7px; font-size: 14.5px; line-height: 1.8; color: var(--ink-2); max-width: 40em; }

.tl-link { margin-top: 10px; }

/* 业务方向卡片（关于页） */

.biz-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.biz-card {
  background: var(--cool);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
}

.biz-card b { display: block; font-size: 16px; margin-bottom: 6px; }

.biz-card span { font-size: 13.5px; line-height: 1.75; color: var(--ink-2); display: block; }

/* 联系页节点构图 */

.contact-nodes { margin: 0; }

.contact-nodes svg { width: 100%; height: auto; display: block; }

/* 产品关系图连线：进屏一次性流线动效 */

.sys-svg .wire {
  stroke-dasharray: 5 5;
}

.js [data-reveal].in .sys-svg .wire {
  animation: wire-flow 1.1s var(--ease) 1 both;
}

@keyframes wire-flow {
  from { stroke-dashoffset: 20; }
  to { stroke-dashoffset: 0; }
}

.sys-svg { width: 100%; height: auto; display: block; margin: 2px 0; }

/* 产品副标题（自然呈现，无编辑标签） */

.subtitle-name {
  margin: -6px 0 18px;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}

/* 五数包五类主体卡片 */

.pack-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0 6px;
}

.pack-card {
  background: var(--cool);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
}

.pack-card b { display: block; font-size: 15.5px; margin-bottom: 4px; }

.pack-card span { font-size: 13.5px; color: var(--ink-2); line-height: 1.7; display: block; }

.pack-card--key {
  background: #F3F7FB;
  border-color: #C9D9EC;
}

@media (max-width: 960px) {
  .pack-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .pack-grid { grid-template-columns: 1fr; }
}

/* 新闻报道列表 */

.news-list { border-top: 1px solid var(--line); }

.news-list li { border-bottom: 1px solid var(--line); }

.news-card {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 8px 28px;
  padding: 26px 0;
}

.news-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 4px;
}

.news-date {
  font-size: 14px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: 6px;
}

.news-src { font-size: 13px; color: var(--ink-3); }

.news-body h3 {
  font-size: clamp(16.5px, 1.5vw, 19px);
  line-height: 1.6;
  margin-bottom: 8px;
}

.news-body p { font-size: 14.5px; color: var(--ink-2); line-height: 1.85; max-width: 44em; }

.news-body .link-arrow { margin-top: 10px; font-size: 14.5px; }

/* 首页新闻摘要行 */

.news-brief { border-top: 1px solid var(--line); }

.news-brief li { border-bottom: 1px solid var(--line); }

.news-brief a {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) auto;
  gap: 6px 24px;
  align-items: baseline;
  padding: 18px 0;
}

.news-brief .nb-date {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.news-brief .nb-title {
  font-size: 15.5px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.7;
}

.news-brief .nb-src { font-size: 13px; color: var(--ink-3); }

.news-brief a:hover .nb-title { color: var(--ink-2); }

/* 查看更多行 */

.more-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin-top: 30px;
}

/* 沃玺云应用可视化 */

.app-viz {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cool);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(24px, 3vw, 44px);
}

.app-phone {
  width: min(240px, 74%);
  border: 2px solid var(--ink);
  border-radius: 30px;
  padding: 20px 16px 24px;
  background: var(--white);
  box-shadow: 0 22px 44px rgba(70, 100, 140, 0.18);
}

.app-phone .ap-notch {
  width: 74px;
  height: 5px;
  border-radius: 999px;
  background: var(--ink);
  margin: 0 auto 18px;
}

.app-phone .nf-node {
  flex: none;
  display: block;
}

.app-phone .nf-node b { font-size: 14.5px; }

.app-phone .nf-node span { font-size: 12px; }

.app-phone .nf-node + .nf-node { margin-top: 18px; }

.app-phone .nf-node + .nf-node::before {
  left: 50%;
  top: -14px;
  width: 2px;
  height: 10px;
  transform: translateX(-50%);
}

.app-phone .nf-node + .nf-node::after {
  left: 50%;
  top: -9px;
  transform: translateX(-50%) rotate(135deg);
}

/* 专利分组标题 */

.patent-group-title {
  font-size: clamp(17px, 1.6vw, 20px);
  margin: 34px 0 4px;
}

.patent-group-title:first-of-type { margin-top: 0; }

/* ---------- V7 响应式 ---------- */

@media (max-width: 960px) {
  .page-hero-grid { grid-template-columns: 1fr; }
  .page-hero-media { order: 2; max-width: 620px; }

  .cards3 { grid-template-columns: 1fr; }
  .card-thumb { height: 220px; }

  .honor-grid { grid-template-columns: 1fr; }
  .honor-grid--single { grid-template-columns: 1fr; }

  .project-grid { grid-template-columns: 1fr; gap: 24px; }
  .project-grid--flip > .project-media { order: 0; }
  .project-grid--flip > .project-copy { order: 1; }

  .biz-grid { grid-template-columns: repeat(2, 1fr); }

  .node-flow { flex-direction: column; gap: 14px; }

  .node-flow .nf-node + .nf-node::before {
    left: 50%;
    top: -12px;
    width: 2px;
    height: 10px;
    transform: translateX(-50%);
  }

  .node-flow .nf-node + .nf-node::after {
    left: 50%;
    top: -8px;
    transform: translateX(-50%) rotate(135deg);
  }
}

@media (max-width: 640px) {
  .biz-grid { grid-template-columns: 1fr; }
  .cards3 { gap: 16px; }
  .patent-list li { grid-template-columns: 1fr; gap: 10px; }
  .patent-list .num-chip { width: 38px; height: 38px; font-size: 14px; }

  .news-card { grid-template-columns: 1fr; gap: 10px; }
  .news-meta { flex-direction: row; align-items: center; gap: 12px; }
  .news-brief a { grid-template-columns: 1fr; gap: 4px; }
}

@media (max-width: 460px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   V7 六语言（i18n）相关
   ============================================================ */

/* 标题用 pre-line：字典值中的换行生效，译文自然断行 */
h1, h2, h3, h4 { white-space: pre-line; }

/* 长词与换行保障（英德俄） */
body { overflow-wrap: break-word; }

:lang(de) p, :lang(ru) p, :lang(en) p { hyphens: auto; }

.btn { text-align: center; }

/* 语言选择器 */

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-2);
}

.lang-switch svg { width: 16px; height: 16px; flex: none; }

.lang-select {
  appearance: none;
  -webkit-appearance: none;
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  background: var(--white) url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' fill='none' stroke='%23101619' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 10px center / 10px 7px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 7px 30px 7px 12px;
  min-height: 38px;
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease);
}

.lang-select:hover { border-color: var(--ink); }

.lang-switch--desktop { flex: none; }

.lang-switch--mobile { display: none; }

.lang-item { border-bottom: 0 !important; padding: 4px 0 10px; }

.lang-item .lang-select { width: 100%; min-height: 44px; }

/* 德语/俄语等长标签：与中文共用同一切合点（1180px 收合导航） */

/* ============================================================
   R3 视觉精修：开阔导航 / 语言控件 / 回顶按钮 / 版式修订
   ============================================================ */

:root { --r-img: 24px; }

@media (max-width: 640px) {
  :root { --r-img: 18px; }
}

/* 统一图片圆角（容器施圆角，产品/证书比例不动） */
.page-hero-media img,
.media-frame img,
.project-media img,
.detail-media img,
.detail-media .plate,
.honor-figure,
.card-thumb { border-radius: var(--r-img); }

/* ---------- 头部三区：品牌 / 主导航 / 语言与联系 ---------- */

.header-inner { gap: 20px; }

.site-nav { margin-inline: auto; }

.site-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0;
}

.site-nav .nav-list > li > a:not(.btn) {
  padding: 10px 14px;
  font-size: 15px;
}

.nav-more { position: relative; }

.nav-more summary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  cursor: pointer;
  list-style: none;
  transition: color var(--t-fast) var(--ease);
}

.nav-more summary::-webkit-details-marker { display: none; }

.nav-more summary::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--t-med) var(--ease);
}

.nav-more details[open] summary::after { transform: rotate(225deg) translateY(-2px); }
.nav-more summary:hover { color: var(--ink); }
.nav-more.is-current > details > summary { color: var(--ink); font-weight: 600; }

.nav-sub {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 208px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 26px 52px rgba(16, 22, 25, 0.14);
  padding: 8px;
  display: grid;
  gap: 2px;
  z-index: 130;
}

.nav-sub a {
  display: block;
  padding: 10px 14px;
  border-radius: 9px;
  font-size: 14.5px;
  color: var(--ink-2);
}

.nav-sub a::after { content: none !important; }
.nav-sub a:hover { background: var(--cool); color: var(--ink); }

.nav-sub a[aria-current="page"] { color: var(--ink); font-weight: 600; }

.nav-sub a[aria-current="page"]::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  background: #8FB4DC;
  clip-path: polygon(0 0, calc(100% - 3px) 0, 100% 3px, 100% 100%, 0 100%);
}

.nav-cta-mobile { display: none; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

/* 语言控件：地球 + 当前语言 + 箭头 */

.lang { position: relative; }

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 8px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.lang-btn:hover { border-color: var(--ink); background: var(--white); }

.lang-btn .ic-globe { width: 16px; height: 16px; flex: none; }
.lang-btn .ic-chev { width: 10px; height: 7px; flex: none; transition: transform var(--t-med) var(--ease); }

.lang.is-open .lang-btn { border-color: var(--ink); }
.lang.is-open .ic-chev { transform: rotate(180deg); }

.lang-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 196px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 26px 52px rgba(16, 22, 25, 0.16);
  padding: 8px;
  display: grid;
  gap: 2px;
  z-index: 140;
}

.lang-panel [role="option"] button {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 9px;
  font-size: 14px;
  color: var(--ink-2);
  text-align: left;
}

.lang-panel [role="option"] button:hover { background: var(--cool); color: var(--ink); }

.lang-panel [aria-selected="true"] button { color: var(--ink); font-weight: 600; }

.lang-panel [aria-selected="true"] button::after {
  content: "✓";
  font-weight: 700;
}

/* ---------- 回到顶部（唯一浮动按钮 + 进度环 + 深浅自适应） ---------- */

.back-top {
  width: 52px;
  height: 52px;
  right: clamp(28px, 3.4vw, 40px);
  bottom: calc(clamp(28px, 4.5vh, 40px) + env(safe-area-inset-bottom, 0px));
  border-radius: 50%;
  background: #F0F0F2;
  border: 0;
  box-shadow: none;
  color: #55565E;
}

.back-top:hover {
  background: #E5E5E9;
  transform: translateY(-2px);
}

.back-top .ic-arrow {
  width: 18px;
  height: 18px;
  position: relative;
  z-index: 1;
}

.back-top .ring {
  position: absolute;
  inset: 1px;
  width: auto;
  height: auto;
}

.ring-track { stroke: rgba(90, 92, 102, 0.12); stroke-width: 2; }

.ring-bar {
  stroke: #747680;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 144.5133;
  stroke-dashoffset: 144.5133;
  transition: stroke-dashoffset 0.18s linear;
}

.back-top.on-dark {
  background: #F0F0F2;
  border-color: transparent;
  color: #55565E;
}

.back-top.on-dark:hover { background: #E5E5E9; }
.back-top.on-dark .ring-track { stroke: rgba(90, 92, 102, 0.12); }

/* ---------- 首页 01–04 改 2×2 ---------- */

.sys {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 56px;
  border-top: 0;
}

.sys li {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.sys .sys-tag {
  flex: none;
  padding: 3px 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #44566B;
  background: #E7EEF5;
  border-radius: 5px;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
}

.sys .sys-name { font-size: 19px; margin-bottom: 4px; }
.sys .sys-desc { max-width: 30em; font-size: 15px; }

@media (max-width: 960px) {
  .sys { grid-template-columns: 1fr; column-gap: 0; }
}

/* ---------- 实施重点：低饱和蓝白渐变 + 极淡网格 ---------- */

.field--start {
  border: 1px solid #D9E4F0;
  border-left: 3px solid #3E72B8;
  border-radius: 12px;
  background:
    linear-gradient(rgba(146, 176, 208, 0.10) 1px, transparent 1px) 0 0 / 100% 26px,
    linear-gradient(90deg, rgba(146, 176, 208, 0.10) 1px, transparent 1px) 0 0 / 26px 100%,
    linear-gradient(155deg, #F8FBFF 0%, #E9F1FA 55%, #F6F9FD 100%);
}

/* 政务节点轻微暖色（浅朱红，非官方符号） */
#s-gov .nf-node:first-child {
  background: linear-gradient(160deg, #FDF3EE, #F9E7DE);
  border-color: #ECCDBF;
}

/* ---------- 区块标题右侧“查看更多” ---------- */

.section-head--split {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px 40px;
  max-width: none;
}

.section-head--split .sh-main { max-width: 34em; }
.section-head--split .lede { margin-top: 14px; }

.head-more {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  padding-bottom: 10px;
}

/* ---------- 沃玺云卡片缩略（CSS 几何，不伪造界面） ---------- */

.card-thumb--app {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #F3F7FC, #E7EEF6);
}

.mini-phone {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 92px;
  padding: 26px 12px 16px;
  border: 2px solid var(--ink);
  border-radius: 20px;
  background: var(--white);
}

.mp-notch {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 4px;
  border-radius: 999px;
  background: var(--ink);
}

.mp-line { height: 8px; border-radius: 4px; background: #D8E2EC; }
.mp-short { width: 60%; }

.mp-dot {
  margin-top: 8px;
  align-self: center;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #B9CFE6;
}

/* ---------- 产品二级目录：分组与轻量化 ---------- */

.subnav { background: rgba(255, 255, 255, 0.88); }

.subnav a { padding: 12px 0 10px; font-size: 13.5px; }

.subnav .sn-alt a { color: var(--ink-3); font-weight: 400; }

.sn-hint { display: none; margin: 0 0 10px; font-size: 12px; color: var(--ink-3); }

@media (max-width: 960px) {
  .sn-hint { display: block; }
  .subnav .container { position: relative; }
  .subnav .container::after {
    content: "";
    position: absolute;
    right: var(--pad-x);
    top: 0;
    bottom: 0;
    width: 44px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0), #FFFFFF);
    pointer-events: none;
  }
}

/* ---------- 产品关系：双模块 + 短横线 ---------- */

.duo-mods {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 36px minmax(0, 1fr);
  gap: 14px;
  align-items: stretch;
}

.duo-line { position: relative; align-self: center; height: 2px; background: var(--line-strong); }

.duo-line::before,
.duo-line::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-3);
  transform: translateY(-50%);
}

.duo-line::before { left: -3px; }
.duo-line::after { right: -3px; }

.sys-rel {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-2);
  max-width: 40em;
}

/* 五数包：图与五类主体同侧 */
.detail-media.media-stack {
  display: grid;
  gap: 16px;
  align-content: start;
  align-self: stretch;
  background: var(--cool);
  border: 1px solid var(--line);
  border-radius: var(--r-img);
  padding: 22px;
}

.detail-media.media-stack img { border-radius: calc(var(--r-img) - 8px); }

.media-stack .pack-grid { margin: 0; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }

@media (max-width: 640px) {
  .media-stack .pack-grid { grid-template-columns: 1fr; }
  .duo-mods { grid-template-columns: 1fr; }
  .duo-line { width: 2px; height: 26px; justify-self: start; margin-left: 20px; }
  .duo-line::before { left: 50%; top: -3px; transform: translateX(-50%); }
  .duo-line::after { left: 50%; top: auto; bottom: -3px; transform: translateX(-50%); }
}

/* 06 文件授权：图容器加高 */
.plate--wide { min-height: 360px; }
.plate--wide img { width: 100%; max-width: 660px; }

/* ---------- 流程箭头：间隙专用，移动端纵排 ---------- */

.flow { column-gap: 52px; }

@media (max-width: 640px) {
  .flow li + li { margin-top: 18px; }
  .flow li + li::before { left: 16px; top: -12px; width: 2px; height: 10px; transform: none; }
  .flow li + li::after { left: 12px; top: -9px; transform: rotate(135deg); }
  /* #seal 与其他流程一致：纵向清单，无特例 */
}

/* ---------- 行业：适用业务 / 产品组合 ---------- */

.sol-extra {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.extra-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 20px;
}

.extra-card .field-label { margin-bottom: 6px; }
.extra-card p { font-size: 14.5px; line-height: 1.8; color: var(--ink-2); }

@media (max-width: 640px) {
  .sol-extra { grid-template-columns: 1fr; }
}

/* ---------- 联系列表：邮箱行预留复制反馈空间 ---------- */


/* ---------- 印章段：桌面图片略下移对齐 ---------- */

@media (min-width: 961px) {
  .stage-media img { margin-top: 7%; }
}

/* ---------- R3 导航响应式 ---------- */

@media (min-width: 1181px) {
  .nav-toggle { display: none; }
  .nav-cta-mobile { display: none; }
}

@media (max-width: 1180px) {
  .header-contact { display: none; }

  .site-nav .nav-sub {
    position: static;
    transform: none;
    box-shadow: none;
    border: 0;
    padding: 2px 0 8px 16px;
    min-width: 0;
  }

  .site-nav .nav-sub li { border-bottom: 0; }
  .site-nav .nav-sub a { padding: 11px 4px; font-size: 15px; }

  .nav-cta-mobile { display: block; padding-top: 16px; }
  .nav-cta-mobile .btn { width: 100%; }
}

@media (max-width: 480px) {
  .header-inner { gap: 10px; }
  .lang-btn { padding: 8px 10px; }
  .lang-cur { font-size: 12.5px; }
}

/* ---------- 动效弱化 ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-reveal].pre,
  .js [data-reveal].pre > * {
    opacity: 1;
    transform: none;
  }
}


/* ---------- R4：flow 编号步骤网格，去除箭头 ---------- */

.flow {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: 16px;
}

.flow li {
  position: static;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.flow li + li::before,
.flow li + li::after { content: none !important; }

.flow .f-num { margin-bottom: 0; }

@media (max-width: 640px) {
  .flow { display: flex; flex-direction: column; gap: 14px; }
  .flow li { flex-direction: row; align-items: center; gap: 12px; }
}


/* ---------- 按钮主题：冷蓝科技渐变，黄色仅留序号与重点标记 ---------- */

.btn-primary {
  background: linear-gradient(135deg, #2456D6 0%, #236BD8 100%);
  color: #FFFFFF;
  box-shadow: 0 10px 24px rgba(36, 86, 214, 0.22);
}

.btn-primary:hover {
  box-shadow: 0 14px 32px rgba(36, 86, 214, 0.3);
  transform: translateY(-2px);
}

.section--dark .btn-primary,
.stage-dark .btn-primary {
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
}

.section--dark .btn-primary:hover,
.stage-dark .btn-primary:hover {
  background: #FFFFFF;
}


/* ---------- R5：首页代表性专利小展区 ---------- */

.home-patents {
  background: linear-gradient(165deg, rgba(255,255,255,0.9), rgba(233,241,250,0.75));
  border: 1px solid var(--line);
  border-radius: var(--r-img);
  padding: clamp(22px, 2.6vw, 34px);
}

.hp-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 20px;
  margin-bottom: 6px;
}

.hp-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--ink-3);
}

.hp-svg { width: 100%; max-width: 240px; height: auto; margin: 8px 0 4px; display: block; }

.hp-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 18px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.hp-list li:last-child { border-bottom: 0; padding-bottom: 2px; }

.hp-name { font-size: 15.5px; font-weight: 600; color: var(--ink); line-height: 1.6; }

.hp-no {
  font-size: 13px;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}


/* ---------- R4/R6 补写：hidden、邮箱留白、标题断行 ---------- */

[hidden] { display: none !important; }

.lang-panel[hidden] { display: none !important; }

.contact-list .copy-status { flex-basis: 100%; height: 0; min-height: 0; overflow: visible; line-height: 1.5; margin-top: 2px; }

.contact-list .row-email { padding-bottom: 0; }

h1, h2 { text-wrap: balance; }

/* 新闻日期：中灰蓝，主题来源：克制科技蓝，标题深墨 */
.news-date {
  background: none;
  color: #4E6178;
  font-weight: 700;
  padding: 0;
  clip-path: none;
  border-radius: 0;
}

.news-src { color: #3E72B8; font-weight: 500; }

.news-body h3 { color: var(--ink); }

.news-brief .nb-date { color: #4E6178; font-weight: 700; }

.news-brief .nb-src { color: #3E72B8; font-weight: 500; }

/* 导航操作：低边框、无重阴影，整条通透 */
.lang-btn {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.55);
  box-shadow: none;
}

.lang-btn:hover { background: var(--white); }

.header-contact {
  box-shadow: 0 6px 16px rgba(36, 86, 214, 0.16);
}

/* 公司三页共享二级导航（非吸顶）与页内目录降级 */
.subnav--company,
.subnav--page {
  position: static;
  background: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  border-bottom: 0;
}

.subnav--company { border-bottom: 1px solid var(--line); background: rgba(255,255,255,0.6); }

.subnav--company a { font-size: 14px; }

.subnav--company a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
  border-bottom-color: var(--ink);
}

@media (max-width: 640px) {
  .subnav--company ul { flex-wrap: wrap; gap: 4px 22px; overflow: visible; }
}

/* 长词断行与最小宽度保护（德语等） */
.flow li { min-width: 0; }

.flow .f-word {
  overflow-wrap: break-word;
  min-width: 0;
}

.flow .f-num { flex: none; }

/* 回顶进度环：深色区（浅色按钮面）用更深的科技蓝保持对比 */
.back-top.on-dark .ring-bar { stroke: #747680; }


/* ============================================================
   R8 视觉精修：导航静化 / 案例编号与三屏 / 技术大图 / 浅色页脚
   ============================================================ */

/* 主导航：短墨线选中，安静 hover */
.site-nav .nav-list > li > a:not(.btn)::after {
  left: 50%;
  right: auto;
  width: 20px;
  height: 2px;
  border-radius: 1px;
  background: var(--ink);
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  transition: transform 180ms var(--ease);
}

.site-nav .nav-list > li > a:not(.btn):hover {
  color: var(--ink);
  opacity: 0.9;
}

.site-nav .nav-list > li > a:not(.btn):hover::after,
.site-nav .nav-list > li > a[aria-current="page"]::after {
  transform: translateX(-50%) scaleX(1);
  right: auto;
}

/* 头部联系：安静文字入口 */
.header-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 8px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  transition: color var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}

.header-link:hover { color: var(--ink); opacity: 0.8; }

.header-contact { box-shadow: none; }

/* 语言控件已轻量：确认无重阴影（覆盖历史值） */
.lang-btn, .lang-panel { box-shadow: none; }
.lang-panel { box-shadow: 0 18px 36px rgba(16, 22, 25, 0.1); }
.lang-panel [aria-selected="true"] button::after { color: var(--ink); }

/* 二级目录序号：去黄底，蓝灰小号 */
.subnav .sn-index {
  background: none;
  color: #5A7391;
  font-weight: 700;
  padding: 0 2px;
  border-radius: 0;
  clip-path: none;
}

.subnav--company a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* 案例编号 01–05 */
.proj-num {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: #5A7391;
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}

.sol-head .proj-num { margin-bottom: 0; }

/* 沃玺云：真实三屏，主次分明 */
.app-screens {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2vw, 24px);
  background: linear-gradient(165deg, #F4F8FC 0%, #E9F0F8 100%);
  border: 1px solid var(--line);
  border-radius: var(--r-img);
  padding: clamp(22px, 3vw, 40px) clamp(18px, 2.4vw, 32px) clamp(16px, 2vw, 24px);
  overflow-x: auto;
  scrollbar-width: none;
}

.app-screens::-webkit-scrollbar { display: none; }

.app-screens .scr {
  flex: 0 0 auto;
  display: block;
  border: 2px solid #22303A;
  border-radius: 24px;
  overflow: hidden;
  background: #FFFFFF;
  box-shadow: 0 18px 40px rgba(30, 60, 100, 0.16);
}

.app-screens .scr img { width: 100%; height: auto; display: block; }

.app-screens .scr-main { width: min(46%, 292px); }
.app-screens .scr-side { width: min(34%, 214px); }

.app-screens .media-caption { justify-content: center; margin-top: 14px; }

@media (max-width: 640px) {
  .app-screens { justify-content: flex-start; }
  .app-screens .scr-main { order: -1; width: 68%; }
  .app-screens .scr-side { width: 50%; }
  .app-screens .scr { scroll-snap-align: center; }
  .app-screens { scroll-snap-type: x mandatory; }
}

/* 技术首屏：居中文字 + 宽幅大图 */
.page-hero--center .container { display: block; padding-top: clamp(26px, 3.4vw, 46px); }

.ph-center-head {
  text-align: center;
  max-width: 46em;
  margin: 0 auto clamp(26px, 3.4vw, 46px);
  display: grid;
  justify-items: center;
}

.ph-center-head .kicker { justify-content: center; margin-bottom: 18px; }

.ph-center-head .h-display {
  font-size: clamp(36px, 5vw, 68px);
  margin-bottom: 20px;
}

.ph-center-head .lede { max-width: 38em; }

.page-hero--center .page-hero-grid { display: contents; }

.media-wide { margin: 0; }

.media-wide img {
  width: 100%;
  border-radius: var(--r-img);
  border: 1px solid var(--line);
  box-shadow: 0 24px 56px rgba(88, 120, 158, 0.14);
}

/* 研发说明带：冰蓝→近白渐变 + 玻璃细线 */
.band-research {
  position: relative;
  border: 1px solid #DCE7F2;
  border-radius: 18px;
  padding: 24px 30px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.85), rgba(255,255,255,0) 40%),
    linear-gradient(120deg, #F2F8FE 0%, #E9F2FB 55%, #F7FAFE 100%);
  overflow: hidden;
}

.band-research::before {
  content: "";
  position: absolute;
  left: 30px;
  right: 30px;
  top: 12px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.9), transparent);
}

.band-research::after {
  content: "";
  position: absolute;
  left: 30px;
  right: 30px;
  bottom: 12px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.75), transparent);
}

.band-research .br-title {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 6px;
}

.band-research .br-text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-2);
}

/* 研发方向：层级与留白，序号蓝灰 */
.research-list li { padding: clamp(30px, 3.6vw, 52px) 0; }

.research-list .r-index { color: #9FC0E8; }

/* 全站页脚：近白冷蓝浅底 */
.site-footer {
  position: relative;
  background:
    radial-gradient(640px 320px at 86% 0%, rgba(120, 160, 210, 0.14), transparent 70%),
    linear-gradient(135deg, #F4F7FA 0%, #E8EFF6 100%);
  color: var(--ink-2);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.site-footer .container { position: relative; }

.footer-brand-row { border-bottom-color: rgba(16, 22, 25, 0.1); }

.footer-brand-row .f-name { color: var(--ink); }

.footer-brand-row .f-tagline {
  color: var(--ink-3);
  border-left-color: rgba(16, 22, 25, 0.12);
}

.footer-col h3 { color: #51637A; }

.footer-col li { color: #3D4F63; }

.footer-col a { color: #4A5C70; }

.footer-col a:hover { color: #2456D6; }

.footer-contact .fc-label { color: #6B7C90; }

.footer-contact a {
  color: #33475C;
  border-bottom-color: rgba(16, 22, 25, 0.18);
}

.footer-contact a:hover {
  color: #2456D6;
  border-bottom-color: #2456D6;
}

.footer-bottom {
  border-top-color: rgba(16, 22, 25, 0.1);
  color: #5A6B7E;
}

.footer-bottom a { color: #4A5C70; }


/* ============================================================
   R9：通栏主视觉 / 黄色减量 / 导航静化 / 二级导航居中吸顶 / 页脚集团
   ============================================================ */

/* --- 黄色减量：序号与标记改中性/蓝灰 --- */
.num-chip {
  background: rgba(125, 155, 190, 0.12);
  color: #44566B;
}

.flow .f-num {
  background: #E7EEF5;
  color: #44566B;
  clip-path: none;
  border-radius: 7px;
}

.steps .st-index {
  background: #E7EEF5;
  color: #44566B;
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 0 100%);
}

.award-chip {
  background: #E7EEF5;
  clip-path: none;
  color: #44566B;
}

.award-chip--silver { background: #F1F4F8; }

.timeline li::before { background: #8FB4DC; box-shadow: 0 0 0 4px #FFFFFF; }

.faq details[open] .faq-icon { background: #E7EEF5; border-color: #D6DFE8; }

.field--start { border-left-color: #3E72B8; }

.link-arrow:hover { border-bottom-color: #2456D6; }
.link-arrow--light:hover { border-bottom-color: #9FC0E8; }
.link-arrow--accent { border-bottom-color: #9FC0E8; }

.closing::before {
  background: radial-gradient(closest-side, rgba(120, 160, 210, 0.16), rgba(120, 160, 210, 0) 72%);
}

/* 栏目图标：黄色形状缩小约三分之一（外层盒与文字对齐不变） */


/* --- 主导航：取消选中下划线 --- */
.site-nav .nav-list > li > a:not(.btn)::after { content: none; }

.site-nav .nav-list > li > a:not(.btn):hover {
  color: var(--ink);
  opacity: 1;
  transition: color 160ms var(--ease);
}

/* --- 二级导航：主导航后居中吸顶（第二层） --- */
.subnav ul { justify-content: center; }

.subnav--company {
  position: sticky;
  top: var(--nav-h);
  z-index: 60;
  background: rgba(255, 255, 255, 0.9);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

[id] { scroll-margin-top: calc(var(--nav-h) + 72px); }

@media (max-width: 960px) {
  .subnav ul { justify-content: flex-start; }
}

/* --- 首页：Token 去底座，印章深色段全出血 --- */
.hero-stage::before,
.hero-stage::after { display: none; }

.hero-stage { padding: 0; }

.section--flush { padding-left: 0; padding-right: 0; }

.section--flush .stage-dark {
  border-radius: 0;
  background:
    radial-gradient(720px 380px at 82% 10%, rgba(96, 150, 214, 0.2), transparent 70%),
    radial-gradient(520px 320px at 8% 90%, rgba(70, 120, 180, 0.12), transparent 70%),
    linear-gradient(160deg, #14243A 0%, #0E1B2E 55%, #0A1422 100%);
}

.section--flush .stage-grid { padding-inline: var(--pad-x); }

/* --- 成果卡片：图片贴角、去横线与链接下划线 --- */
.card-thumb { border-bottom: 0; border-radius: 16px 16px 0 0; }

.card-link .link-arrow {
  border-bottom: 0;
  padding-bottom: 0;
  color: #2456D6;
}

.card-link .link-arrow .arw { display: none; }

/* --- 技术首屏：全宽图片舞台，无卡片无圆角 --- */
.page-hero--center { border-bottom: 1px solid var(--line); }

.page-hero--center::before { display: none; }

.page-hero--center .media-wide {
  width: 100%;
  margin-top: 0;
}

.page-hero--center .media-wide img {
  width: 100%;
  height: clamp(320px, 36vw, 400px);
  object-fit: cover;
  object-position: center;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

@media (max-width: 640px) {
  .page-hero--center .media-wide img { height: clamp(180px, 52vw, 240px); }
}

/* 专利 90+ 统计 */
.patent-stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 26px;
  margin-bottom: 14px;
}

.patent-stat-num {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink);
  line-height: 1.2;
}

.pt-src { font-size: 13.5px; color: var(--ink-3); }

/* 研发区：压缩留白 */
.research-list li { padding: clamp(20px, 2.4vw, 30px) 0; }

/* --- 页脚：集团品牌与联系栏收排 --- */
.footer-contact li { grid-template-columns: max-content minmax(0, 1fr); gap: 9px; }

.footer-contact a { border-bottom: 0; }

.footer-contact a:hover { border-bottom: 0; }

/* 页脚浅色后 on-dark 仅由实际深色区块触发（JS 已移除 .site-footer） */


/* ---------- R10 补丁 ---------- */

/* 技术大图：section 直接子级，真正通栏 */
.media-wide {
  width: 100%;
  margin: 0;
}

.media-wide img {
  width: 100%;
  height: clamp(320px, 36vw, 400px);
  object-fit: cover;
  object-position: center;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  display: block;
}

@media (max-width: 640px) {
  .media-wide img { height: clamp(180px, 52vw, 240px); }
}

/* 页脚地址：防单字孤行 */
.fc-addr { text-wrap: pretty; min-width: 0; }


/* ---------- R11：沃玺云上文下图 + 可点大图 ---------- */

.wy-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(24px, 3.4vw, 56px);
  align-items: end;
  margin-bottom: clamp(26px, 3.4vw, 44px);
}

.wy-head-main .proj-num { margin-bottom: 10px; }

.wy-head-main .project-tag { margin-bottom: 14px; }

.wy-head-side .chips { margin: 14px 0 16px; }

.wy-figure { margin: 0; }

.wy-figure a { display: block; }

.wy-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--r-img);
  border: 1px solid var(--line);
  box-shadow: 0 24px 56px rgba(88, 120, 158, 0.14);
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease);
}

.wy-figure a:hover img {
  transform: translateY(-3px);
  box-shadow: 0 30px 64px rgba(88, 120, 158, 0.2);
}

@media (max-width: 960px) {
  .wy-head { grid-template-columns: 1fr; align-items: start; }
}

/* 移动端 4:5 展示窗：完整手机可见，不裁顶底 */
@media (max-width: 640px) {
  .wy-figure img {
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: center;
    height: auto;
  }
}

/* ============================================================
   R12：全宽导航面板 / 两套统一样式 / 服务流程紧凑排版
   ============================================================ */

/* --- 全宽导航面板 --- */

.nav-group { position: static; }

.nav-panel {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  display: none;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
}

.nav-group.open .nav-panel { display: block; animation: panel-fade 180ms var(--ease); }

@keyframes panel-fade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}

.nav-backdrop {
  position: fixed;
  left: 0;
  right: 0;
  top: var(--nav-h);
  bottom: 0;
  z-index: 90;
  background: rgba(244, 247, 250, 0.55);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms var(--ease), visibility 0s linear 200ms;
}

.nav-backdrop.show {
  opacity: 1;
  visibility: visible;
  transition: opacity 200ms var(--ease);
}

.nav-panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(0, 1fr);
  gap: 20px 56px;
  padding-top: 26px;
  padding-bottom: 30px;
}

.np-primary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 32px;
}

.np-a {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--ink);
  transition: background-color 160ms var(--ease);
}

.np-a:hover { background: var(--cool); color: var(--ink); }

.np-secondary li { margin-bottom: 2px; }

.np-b {
  display: block;
  padding: 8px 0;
  font-size: 14px;
  color: var(--ink-2);
  transition: color 160ms var(--ease);
}

.np-b:hover { color: var(--ink); }

@media (max-width: 1180px) {
  .nav-panel, .nav-backdrop { display: none !important; }
}

/* --- 有序步骤：开放式，小号蓝灰数字 --- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px 34px;
  background: none;
  border: 0;
  border-radius: 0;
  overflow: visible;
}

.steps li { position: relative; padding: 4px 0 0; background: none; }

.steps li + li { border-left: 0; }

.steps li + li::before {
  content: "";
  position: absolute;
  left: -19px;
  top: 15px;
  width: 14px;
  height: 1px;
  background: #B9C7D6;
  border: 0;
  border-radius: 0;
  transform: none;
}

.steps .st-index {
  display: block;
  width: auto;
  height: auto;
  place-items: none;
  padding: 0;
  background: none;
  border-radius: 0;
  clip-path: none;
  color: #5A7391;
  font-size: 13px;
  letter-spacing: 0.14em;
  margin-bottom: 8px;
}

.steps .st-word { font-size: 16.5px; }

@media (max-width: 640px) {
  .steps { grid-template-columns: 1fr; gap: 0; }
  .steps li { padding: 12px 0 0; }
  .steps li + li::before { display: none; }
  .steps li + li { margin-top: 10px; }
}

/* --- 无序要点：轻量横向分列 --- */

.points { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px 28px; margin: 20px 0; }

.points li {
  padding: 13px 0 0;
  border-top: 1px solid var(--line-soft);
  background: none;
  border-radius: 0;
  font-size: 15px;
  color: var(--ink-2);
}

.points li::before { content: none; }

.points--col1 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.points--row { grid-template-columns: repeat(3, minmax(0, 1fr)); }

#privacy .points { grid-template-columns: repeat(2, minmax(0, 1fr)); }

#seal .points { grid-template-columns: repeat(2, minmax(0, 1fr)); }

@media (max-width: 640px) {
  .points, .points--col1, .points--row, #privacy .points, #seal .points { grid-template-columns: 1fr; gap: 0; }
  .points li { padding: 11px 0 0; margin-bottom: 4px; }
}

/* --- 行业可视化：轻量分列，去框去勾选块 --- */

.sol-viz { border: 0; background: none; padding: 0; margin-top: 26px; }

.viz-title { margin-bottom: 12px; }

.viz-docs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px 28px; }

.viz-docs li {
  display: block;
  padding: 13px 0 0;
  border: 0;
  border-top: 1px solid var(--line-soft);
  background: none;
  border-radius: 0;
}

.viz-docs .viz-check { display: none; }

.viz-docs .vd-name { display: block; font-size: 15.5px; font-weight: 600; color: var(--ink); }

.viz-docs .vd-desc { display: block; margin-top: 4px; font-size: 13.5px; color: var(--ink-3); }

.viz-checks { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px 28px; }

.viz-checks .vc-row {
  display: block;
  padding: 13px 0 0;
  border: 0;
  border-top: 1px solid var(--line-soft);
  background: none;
  border-radius: 0;
}

.viz-checks .viz-check { display: none; }

.viz-checks .vc-name { font-size: 15.5px; font-weight: 600; color: var(--ink); }

.viz-checks .vc-state {
  display: block;
  margin-top: 4px;
  border: 0;
  background: none;
  padding: 0;
  color: var(--ink-3);
  font-weight: 400;
}

.viz-matrix { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 28px; }

.viz-matrix li {
  padding: 13px 0 0;
  border: 0;
  border-top: 1px solid var(--line-soft);
  background: none;
  border-radius: 0;
}

.viz-matrix b { font-size: 15.5px; }

/* --- 节点流程：紧凑节点 + 细连接 --- */

.node-flow {
  display: flex;
  align-items: flex-start;
  gap: 36px;
  background: none;
  border: 0;
  border-radius: 0;
  padding: 0;
}

.node-flow .nf-node {
  position: relative;
  flex: 1;
  background: none;
  border: 0;
  border-radius: 0;
  padding: 0;
  text-align: left;
  min-width: 0;
}

.nf-node b { font-size: 16px; }

.nf-node span { font-size: 13.5px; color: var(--ink-3); }

.node-flow .nf-node + .nf-node::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 12px;
  width: 12px;
  height: 1px;
  background: #B9C7D6;
  transform: translateY(-50%);
}

.node-flow .nf-node + .nf-node::after {
  content: "";
  position: absolute;
  left: -17px;
  top: 12px;
  width: 6px;
  height: 6px;
  border-top: 1.5px solid #8A95A0;
  border-right: 1.5px solid #8A95A0;
  transform: translateY(-50%) rotate(45deg);
}

#s-gov .nf-node:first-child { background: none; border-color: transparent; }

@media (max-width: 960px) {
  .node-flow { flex-direction: column; align-items: stretch; gap: 16px; }
  .node-flow .nf-node + .nf-node { margin-top: 2px; }
  .node-flow .nf-node + .nf-node::before {
    left: 8px;
    top: -11px;
    width: 1px;
    height: 8px;
    transform: none;
  }
  .node-flow .nf-node + .nf-node::after {
    left: 5px;
    top: -9px;
    transform: rotate(135deg);
  }
}

/* --- 案例文字链接 --- */

.text-link { color: #2456D6; font-weight: 500; }

.text-link:hover { color: #1D46AD; }

/* --- 五数包轻量清单 --- */

.pack-list { margin: 18px 0 0; }

.pack-list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--line-soft);
  background: none;
  border: 0 solid var(--line);
}

.pack-list li:last-child { border-bottom-width: 0; }

.pack-list b { flex: none; min-width: 4.5em; font-size: 15px; color: var(--ink); }



.pack-list span { font-size: 13.5px; color: var(--ink-2); }

/* --- 服务流程紧凑排版 --- */

.path-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 28px;
  margin-bottom: clamp(22px, 2.8vw, 34px);
}

.path-head h2 { font-size: clamp(19px, 1.9vw, 25px); }

/* 短服务段标题降一级 */
#s-path .h-block, #verify .h-block { font-size: clamp(19px, 1.9vw, 25px); }


/* ---------- R13：面板样式精确限定 / 杂项修复 ---------- */

.site-nav .nav-panel .np-primary,
.site-nav .nav-panel .np-secondary {
  display: grid;
  gap: 2px 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav .nav-panel .np-primary {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
}

.site-nav .nav-panel .np-secondary {
  align-content: start;
  align-self: start;
  gap: 8px;
  padding-top: 8px;
}

.site-nav .nav-panel .np-primary li,
.site-nav .nav-panel .np-secondary li,
.site-nav .nav-panel li { border-bottom: 0; margin: 0; padding: 0; }

.site-nav .nav-panel a {
  display: inline-block;
  padding: 0;
  border: 0;
  font-size: 14px;
  letter-spacing: 0;
  color: var(--ink-2);
  background: none;
}

.site-nav .nav-panel a::after { content: none; }

.site-nav .nav-panel .np-a {
  display: block;
  padding: 9px 14px;
  border-radius: 10px;
  font-size: 22px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
}

.site-nav .nav-panel .np-a:hover { background: var(--cool); color: var(--ink); }

.site-nav .nav-panel .np-b { padding: 7px 0; }

.site-nav .nav-panel .np-b:hover { color: var(--ink); }

.nav-group.open .nav-panel { background: #F8F9FB; border-bottom: 0; }

.site-header.panel-open {
  background: #F8F9FB;
  border-bottom-color: transparent;
}

@media (max-width: 1180px) {
  .site-nav .nav-panel { display: none !important; }
  .site-header.panel-open { background: rgba(255, 255, 255, 0.86); border-bottom-color: var(--line); }
}

/* 业务结果：同一基线，解除旧 margin 与 76px 宽列 */
.viz-docs li, .viz-docs li + li,
.viz-checks .vc-row, .viz-checks .vc-row + .vc-row { margin: 0; }

.viz-docs .vd-name { width: auto; flex: none; }

/* pack-list：顺序修正（去掉后置 border:0 重置） */
.pack-list li {
  padding: 11px 2px;
  border-bottom: 1px solid var(--line-soft);
  background: none;
}

.pack-list li:last-child { border-bottom-width: 0; }

/* 首页产品名小蓝点删除，左对齐 */
.sys .sys-name::before { display: none; }

.sys .sys-name { gap: 0; }

/* 选型说明：与 path-head 一致 */
#notes .note { display: none; }

/* Final visual QA: metadata shares one baseline; translucent number surfaces. */
.proj-meta {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0 0 18px;
}
.proj-meta .proj-num,
.proj-meta .project-tag {
  display: inline-block;
  margin: 0;
  padding: 0;
  font-size: 14px;
  line-height: 1.5;
  background: none;
  color: #5A7391;
}
.flow .f-num {
  background: rgba(125, 155, 190, 0.12);
  clip-path: none;
  border-radius: 7px;
}
.stage-dark .flow .f-num,
.section--dark .flow .f-num {
  background: rgba(160, 190, 225, 0.3);
  color: #F2F6FC;
}

@media (max-width: 480px) {
  .header-actions .header-contact { display: none; }
}

.node-flow .nf-node b,
.node-flow .nf-node span { overflow-wrap: normal; word-break: normal; }
.sol-head .mark,
:is(#genxin, #asset, #number, #jzt, #seal, #privacy) .detail-kicker .mark {
  display: none;
}


/* ---------- R14：桌面触发区与顶栏同高、与面板连续 ---------- */

@media (min-width: 1181px) {
  .site-nav { height: 100%; }

  .site-nav .nav-list > .nav-cta-mobile { display: none; }

  .site-nav .nav-list { height: 100%; align-items: stretch; }

  .site-nav .nav-group { display: flex; align-items: stretch; }

  .site-nav .nav-group > .nav-top {
    display: inline-flex;
    align-items: center;
    height: 100%;
  }
}


/* ---------- R15：联系字段断词与对齐 ---------- */

.footer-contact .fc-label { white-space: nowrap; }

.footer-contact li > span:last-child { overflow-wrap: break-word; }

/* 联系区标签列自适应（英文 Technical support 等完整词） */
.contact-list > li { grid-template-columns: max-content minmax(0, 1fr); }

.contact-list .c-label { white-space: nowrap; }

.contact-list .c-value { word-break: normal; overflow-wrap: break-word; }

@media (max-width: 640px) {
  .footer-contact li { grid-template-columns: 1fr; gap: 2px; }
  .footer-contact .fc-label { padding-top: 0; }
}


/* 长词断词保护（德/俄） */
.np-a, .np-b, .nav-top, .st-word, .btn, .industry-title { overflow-wrap: break-word; }

/* ============================================================
   R16：产品定位（根信主线）/ 研发两列 / 语言排版
   ============================================================ */

/* 研发方向：三列两行 */
.research-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 44px;
}

.research-list li { padding: 24px 0 20px; }

@media (max-width: 960px) {
  .research-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 36px; }
}

@media (max-width: 640px) {
  .research-list { grid-template-columns: 1fr; }
}

/* 通信与可信终端：轻量节点线 */
.gx-rel { margin-top: 16px; }

/* 外语标题与 kicker：完整词自然成行 */
h1, h2, h3, .kicker { overflow-wrap: normal; hyphens: none; }

html:lang(de) .h-display,
html:lang(ru) .h-display {
  overflow-wrap: normal;
  hyphens: none;
  font-size: clamp(32px, 4.2vw, 58px);
}

html:lang(de) .kicker,
html:lang(ru) .kicker { letter-spacing: 0.14em; }

html:lang(de) .kicker span,
html:lang(ru) .kicker span { overflow-wrap: normal; }

/* R16 independent review: shared label tracks keep contact values aligned. */
@media (min-width: 641px) {
  .footer-contact ul { display: grid; grid-template-columns: max-content minmax(0,1fr); column-gap: 12px; }
  .footer-contact ul > li { grid-column: 1 / -1; grid-template-columns: subgrid; column-gap: 12px; }
}
@media (min-width: 901px) {
  .contact-list { display: grid; grid-template-columns: max-content minmax(0,1fr); column-gap: 20px; }
  .contact-list > li { grid-column: 1 / -1; grid-template-columns: subgrid; column-gap: 20px; }
}
html[lang="de"] .kicker, html[lang="ru"] .kicker { hyphens: none; }

/* ============================================================
   R17：方法三行步骤 / 联系去线 / 面板基线 / 页内目录吸顶等
   ============================================================ */

/* 1) 合作流程：编号+标题+说明三行，四步等列，无连接杠 */
.steps--with-desc { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px 28px; }

.steps--with-desc .st-word { display: block; margin-top: 2px; }

.steps--with-desc .st-desc {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-2);
}

@media (max-width: 960px) {
  .steps--with-desc { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 24px; }
}

@media (max-width: 480px) {
  .steps--with-desc { grid-template-columns: 1fr; }
}

/* 全站 steps：删除第二项起的细横杠 */
.steps li + li::before { content: none !important; }

/* 2) 联系信息：去下划线与上下分隔线（保留 focus 与复制按钮） */
.contact-list > li { border-bottom: 0; }

.contact-list a { border-bottom: 0; }

.contact-list a:hover { color: #2456D6; }

.contact-list .copy-status { grid-column: 1 / -1; }

/* 3) 产品关系：两模块等宽，无中柱 */
.duo-mods { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }

.duo-line { display: none; }

.sys-rel { max-width: none; }

/* 4) Token：四要点 2×2，去上方横线 */
#jzt .points { grid-template-columns: repeat(2, minmax(0, 1fr)); }

#jzt .points li { border-top: 0; padding-top: 0; }

/* 5) 首页导航基线：全部直连 li 与 nav-top 等高居中 */
@media (min-width: 1181px) {
  .site-nav .nav-list > li { display: flex; align-items: center; height: 100%; }
}

/* 6) 行业 sol-head：顶部对齐 */
.sol-head { align-items: flex-start; }

.sol-head .num-ghost { line-height: 1.1; }

/* 7) 服务流程：白底 + 极轻冷蓝氛围 + 呼吸空间 */
#s-path {
  background:
    radial-gradient(560px 280px at 90% 12%, rgba(120, 160, 210, 0.12), transparent 70%),
    #FFFFFF;
  padding-bottom: clamp(80px, 9vw, 128px);
}

@media (max-width: 640px) {
  #s-path { padding-bottom: 48px; }
}

/* 8) 沃玺云：两列顶部对齐 */
.wy-head { align-items: start; }

/* 9) 研发说明带：紧凑左右结构 + 配图 */
.band-research {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
  background: none;
  border: 0;
  padding: 0;
  overflow: visible;
}

.band-research::before,
.band-research::after { content: none; }

.band-research .br-copy { flex: 1; min-width: 0; }

.band-research .br-img {
  flex: none;
  width: clamp(280px, 30vw, 360px);
  height: clamp(160px, 20vw, 220px);
  object-fit: contain;
  display: block;
}

@media (max-width: 960px) {
  .band-research { flex-direction: column; align-items: flex-start; }
  .band-research .br-img { width: min(100%, 360px); height: auto; }
}

/* 10) 公司介绍：左文右图 */
.intro-grid + .biz-grid { margin-top: 32px; }
.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 60fr) minmax(0, 40fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: start;
}

.intro-media { margin: 0; }

.intro-media img {
  width: 100%;
  max-width: 420px;
  height: auto;
  max-height: 420px;
  object-fit: contain;
  display: block;
}

@media (max-width: 960px) {
  .intro-grid { grid-template-columns: 1fr; }
  .intro-media { order: 2; max-width: 420px; }
}

/* 11) about/honors 页内目录恢复吸顶（唯一页内吸顶层） */
.subnav--page {
  position: sticky;
  top: var(--nav-h);
  z-index: 60;
  background: rgba(255, 255, 255, 0.9);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

/* 页脚共享标签列：修正选择器使其生效（R16 review 意图保留） */
.footer-contact {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  column-gap: 12px;
}

.footer-contact > li { grid-column: 1 / -1; grid-template-columns: subgrid; column-gap: 12px; }


/* ---------- R18：通信与可信终端 ---------- */

.tt-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(24px, 3.2vw, 52px);
  align-items: center;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.tt-copy .lede + .lede { margin-top: 14px; }

.tt-media { margin: 0; }

.tt-media img {
  width: 100%;
  max-width: 580px;
  height: auto;
  object-fit: contain;
  display: block;
  margin-inline: auto;
}

.tt-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px 32px;
}

.tt-points li { display: flex; flex-direction: column; gap: 6px; }

.tt-points b { font-size: 15.5px; font-weight: 600; color: var(--ink); }

.tt-points span { font-size: 14px; line-height: 1.8; color: var(--ink-2); }

@media (max-width: 960px) {
  .tt-grid { grid-template-columns: 1fr; }
  .tt-media { order: 2; }
  .tt-points { grid-template-columns: 1fr; gap: 14px; }
}


/* ---------- R20：联系信息修正 ---------- */

.contact-list { border-top: 0; }

.contact-list > li { border-top: 0; }

@media (max-width: 900px) {
  .contact-list { display: block; }
  .contact-list > li { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .contact-list .c-label { display: block; margin-bottom: 6px; }
  .contact-list .c-value { flex-wrap: wrap; gap: 8px 16px; }
}

/* tt-labels：图下三标签 */

.tt-labels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px 14px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.tt-labels li {
  font-size: 14px;
  color: #5A7391;
  text-align: center;
  background: none;
  border: 0;
}

.tt-copy .sol-head { margin-bottom: 20px; }

@media (max-width: 640px) {
  .tt-labels { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Final review: keep short interface copy and step explanations in whole words. */
.steps--with-desc .st-desc { hyphens: none; overflow-wrap: normal; }
html:lang(en) .kicker, html:lang(de) .kicker, html:lang(ru) .kicker { hyphens: none; }


/* ---------- R21：回顶圆形浅灰 ---------- */

@media (max-width: 640px) {
  .back-top { width: 46px; height: 46px; border-radius: 50%; }
}


/* ---------- R22：项目图集 ---------- */

.proj-gallery {
  margin-top: clamp(26px, 3vw, 40px);
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.proj-gallery > summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.proj-gallery > summary::-webkit-details-marker { display: none; }

.proj-gallery > summary::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--ink-3);
  border-bottom: 1.5px solid var(--ink-3);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 200ms var(--ease);
  margin-left: auto;
}

.proj-gallery[open] > summary::after { transform: rotate(225deg) translateY(-1px); }

.gal-count {
  font-size: 13px;
  font-weight: 400;
  color: var(--ink-3);
}

.gal-num { font-variant-numeric: tabular-nums; }

.gal-track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 14px 2px 16px;
  scrollbar-width: thin;
  scrollbar-color: #C9D3DC transparent;
}

.gal-track::-webkit-scrollbar { height: 6px; }

.gal-track::-webkit-scrollbar-thumb { background: #C9D3DC; border-radius: 3px; }

.gal-card {
  flex: 0 0 clamp(280px, 26vw, 340px);
  scroll-snap-align: start;
  margin: 0;
}

.gal-card a {
  display: block;
  height: clamp(220px, 22vw, 260px);
  background: #FBFCFD;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  overflow: hidden;
}

.gal-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.gal-card a:hover img { background: #F4F7FA; }

.gal-cap {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-3);
}

@media (max-width: 640px) {
  .gal-card { flex: 0 0 84vw; }
  .gal-card a { height: 220px; }
}

/* 票据案例：原版标志、流程概览与现场图；正文避免孤字末行。 */
.lede, .biz-card > span { text-wrap: pretty; line-break: strict; }
.intro-grid .lede { max-width: none; text-wrap: balance; }
.invoice-gallery { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 32px; overflow: visible; max-width: 1040px; }
.invoice-gallery .gal-card { min-width: 0; }
.invoice-diagram { min-height: 390px; padding: 28px 32px; border: 1px solid #e4eaf0; border-radius: 16px; background: linear-gradient(140deg, #fff 55%, #f1f6fc); }
.invoice-brand { display: flex; align-items: center; gap: 18px; margin-bottom: 26px; }
.invoice-brand img { width: 60px; height: 60px; object-fit: contain; }
.invoice-brand b { font-size: 22px; letter-spacing: -.02em; }
.invoice-stages { display: grid; gap: 20px; list-style: none; padding: 0; margin: 0; }
.invoice-stages li { display: grid; grid-template-columns: 32px minmax(0,1fr); gap: 14px; align-items: baseline; }
.invoice-step { color: #7a8ea5; font-size: 12px; font-variant-numeric: tabular-nums; }
.invoice-stages b { font-size: 16px; font-weight: 600; }
.invoice-stages p { font-size: 13px; color: var(--ink-3); margin: 3px 0 0; line-height: 1.5; }
.invoice-systems { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 26px 0 0 46px; color: #64758a; font-size: 12px; }
.invoice-gallery .gal-card > a { height: 390px; background: #f8fafc; border-radius: 16px; }
.invoice-gallery .gal-card > a img { object-fit: contain; }
.invoice-cap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 20px; }
.invoice-cap a { display: inline; height: auto; background: none; border: 0; border-radius: 0; color: #3268ad; font-size: inherit; }
@media (max-width: 760px) {
  .invoice-gallery { grid-template-columns: 1fr; gap: 24px; }
  .invoice-diagram { min-height: 0; padding: 24px; }
  .invoice-brand b { font-size: 20px; }
  .invoice-gallery .gal-card > a { height: auto; aspect-ratio: 668 / 728; max-height: 460px; }
}

/* 2026-10-26: readable, multilingual historical case diagrams. */
.gal-card--diagram { flex-basis: clamp(360px, 40vw, 540px); }
.case-diagram { box-sizing: border-box; min-height: 340px; padding: 24px; border: 1px solid #e3e9f0; border-radius: 14px; background: linear-gradient(145deg,#fff 40%,#eff5fc); }
.case-diagram-heading { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; }
.case-diagram-heading b { display: block; font-size: 19px; font-weight: 600; letter-spacing: -.02em; line-height: 1.35; }
.case-diagram-heading p { margin: 4px 0 0; color: #708094; font-size: 12px; line-height: 1.5; }
.case-diagram-icon { display: grid; place-items: center; width: 44px; height: 44px; color: #346da9; background: #eaf2fb; border-radius: 12px; flex: none; }
.case-diagram-icon svg { width: 25px; height: 25px; }
.case-relation-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; list-style: none; padding: 0; margin: 0; }
.case-relation-grid li { display: flex; min-width: 0; min-height: 88px; flex-direction: column; align-items: flex-start; gap: 12px; padding: 15px 10px; border-radius: 9px; background: rgba(255,255,255,.83); box-shadow: 0 1px 0 #e5ebf2; font-size: 12px; line-height: 1.5; color: #40566e; }
.case-relation-grid svg { width: 23px; height: 23px; color: #6685a4; }
.case-diagram-caption { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 6px 20px; }
.case-diagram-caption a { display: inline; height: auto; background: none; border: 0; border-radius: 0; color: #3268ad; font-size: inherit; }
.case-counter-hub { display: flex; justify-content: center; align-items: center; gap: 12px; min-height: 64px; margin: 0 auto; max-width: 320px; padding: 12px 20px; border: 1px solid #dce7f3; border-radius: 12px; background: #fff; color: #254e77; font-size: 16px; line-height: 1.5; text-align: center; }
.case-counter-hub svg { width: 25px; height: 25px; flex: none; }
.case-routing { position: relative; height: 36px; margin: 0 12%; }
.case-routing::before { content: ''; position: absolute; left: 50%; width: 1px; height: 18px; background: #c5d5e5; }
.case-routing::after { content: ''; position: absolute; top: 18px; left: 0; right: 0; height: 1px; background: #c5d5e5; }
.case-service-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); list-style: none; gap: 8px; padding: 0; margin: 0; }
.case-service-grid li { position: relative; min-width: 0; padding: 14px 5px 10px; text-align: center; color: #526b83; font-size: 12px; line-height: 1.6; }
.case-service-grid li::before { content: ''; position: absolute; left: 50%; top: -18px; height: 22px; width: 1px; background: #c5d5e5; }
#jiaxing .project-media { max-width: 580px; }
#jiaxing .gal-card { flex-basis: clamp(270px,25vw,330px); }
#jiaxing .gal-card > a { height: 220px; background: #f8fafc; }
@media (max-width: 640px) {
 .gal-card--diagram { flex-basis: 88vw; }
 .case-diagram { padding: 20px 16px; min-height: 365px; }
 .case-relation-grid { gap: 8px; grid-template-columns: repeat(2,minmax(0,1fr)); }
 .case-relation-grid li { min-height: 66px; padding: 10px; flex-direction: row; gap: 9px; align-items: center; }
 .case-relation-grid svg { flex: none; width: 20px; height: 20px; }
 .case-service-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; margin-top: 16px; }
 .case-service-grid li { padding: 10px 5px; border-radius: 8px; background: #fff; }
 .case-service-grid li::before, .case-routing { display: none; }
 #jiaxing .gal-card { flex-basis: 80vw; }
}

.case-relation-grid li, .case-service-grid li { hyphens: auto; overflow-wrap: break-word; }
@media (max-width: 640px) {
 .case-relation-grid li { flex-direction: column; align-items: flex-start; gap: 6px; min-height: 78px; }
}

@media (max-width: 640px) {
 html:lang(de) .case-service-grid, html:lang(ru) .case-service-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
 html:lang(de) .case-service-grid li:last-child, html:lang(ru) .case-service-grid li:last-child { grid-column: 1 / -1; width: calc(50% - 4px); justify-self: center; }
}

@media (min-width: 761px) {
 #ganzhou .gal-track { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; overflow: visible; }
 #ganzhou .gal-card { min-width: 0; }
 #ganzhou .gal-card--diagram { display: flex; flex-direction: column; }
 #ganzhou .case-diagram { flex: 1; }
 #ganzhou .gal-card > a { height: 280px; }
}

/* Keep author-provided soft hyphens usable in long research headings. */
.research-list h3 { hyphens: manual; }

/* R34: filing links stay grouped and wrap as complete records on small screens. */
.footer-registrations {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 28px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: normal;
  max-width: 100%;
}
.footer-registrations a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  min-height: 32px;
}
.footer-registrations img { width: 20px; height: 20px; flex: 0 0 20px; }
@media (max-width: 640px) {
  .footer-registrations { flex-direction: column; align-items: flex-start; gap: 2px; }
}

/* Longer translations use a compact display scale without affecting Chinese. */
.hero-copy { min-width: 0; }
html:lang(en) .hero-copy .h-display,
html:lang(de) .hero-copy .h-display,
html:lang(ja) .hero-copy .h-display,
html:lang(ko) .hero-copy .h-display,
html:lang(ru) .hero-copy .h-display {
  font-size: clamp(32px, 3.1vw, 44px);
  line-height: 1.24;
}
html:lang(de) .hero-copy .h-display,
html:lang(ru) .hero-copy .h-display { hyphens: manual; }

.hero-copy .lede { text-wrap: balance; }

/* R34: grouped desktop menus, with supporting links closer to the main list. */
@media (min-width: 1181px) {
  .site-nav .nav-panel .nav-panel-grid {
    grid-template-columns: minmax(0, 420px) minmax(0, 300px);
    column-gap: clamp(56px, 6vw, 88px);
    padding-top: 32px;
    padding-bottom: 40px;
    align-items: start;
  }
  .np-section { min-width: 0; }
  .np-label {
    margin: 0 0 14px;
    font-size: 12px;
    line-height: 1.5;
    letter-spacing: 0;
    color: #727780;
  }
  .site-nav .nav-panel .np-primary { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .site-nav .nav-panel .np-secondary { padding-top: 0; gap: 4px; }
  .site-nav .nav-panel .np-a {
    display: inline-block;
    padding: 5px 0;
    border-radius: 0;
    font-size: 22px;
    line-height: 1.42;
    letter-spacing: -0.015em;
    color: #25282D;
  }
  .site-nav .nav-panel .np-b {
    padding: 6px 0;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    color: #35383E;
  }
  .site-nav .nav-panel .np-a:hover,
  .site-nav .nav-panel .np-b:hover { background: none; color: #000; }
}

/* R35: shared alignment, complete news list, contextual closing areas. */
.news-list { list-style:none; margin:0; padding:0; }
.news-list > li { margin:0; padding:0; }
.news-body, .news-meta { min-width:0; }
.news-date { white-space:nowrap; }
.news-meta { flex-wrap:wrap; }
.honor-grid--pair { grid-template-columns:repeat(2,minmax(0,1fr)); }
.honor-grid--single { grid-template-columns:minmax(0,1fr); }
.honor-grid--single .honor-card { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); align-items:center; gap:32px; }
.honor-grid--single .honor-figure { max-width:420px; width:100%; justify-self:center; }
.coverage-heading { max-width:760px; }
.coverage-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; margin-top:40px; }
.coverage-card { display:block; padding:28px; background:#fff; border:1px solid var(--line); border-radius:18px; color:var(--ink); transition:box-shadow 200ms, border-color 200ms; }
.coverage-card:hover { border-color:#a6b9cf; box-shadow:0 10px 28px rgba(34,61,90,.07); }
.coverage-meta { display:block; color:#536b87; font-size:13px; line-height:1.6; margin-bottom:16px; }
.coverage-card h3 { font-size:clamp(18px,2vw,23px); line-height:1.5; margin:0 0 14px; }
.coverage-card p { color:var(--ink-2); line-height:1.8; margin:0; }
@media(max-width:700px) {
 .honor-grid--pair, .coverage-grid { grid-template-columns:1fr; }
 .honor-grid--single .honor-card { grid-template-columns:1fr; gap:16px; }
 .coverage-card { padding:22px; }
}

/* Keep the ten-character first line intact at desktop and small-phone widths. */
html:lang(zh) [data-i18n="so.title"] { font-size:clamp(30px,3.7vw,52px); }

/* R35: equal photo canvases; full originals remain available on click. */
#jiaxing .gal-card > a { height:auto; aspect-ratio:3/2; }
#jiaxing .gal-card img { object-fit:cover; object-position:center; }

/* R35: show complete gallery cards instead of a clipped trailing slide. */
#jiaxing .gal-track { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; overflow:visible; padding:14px 0 16px; }
#jiaxing .gal-card { min-width:0; }
@media(max-width:900px){ #jiaxing .gal-track { grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px; } }
@media(max-width:540px){ #jiaxing .gal-track { grid-template-columns:1fr; gap:24px; } }
/* Explicit shared fix: back-to-top visibility and safe-area clearance. */
.back-top.is-show{opacity:.5;bottom:calc(clamp(42px,6.75vh,60px) + env(safe-area-inset-bottom,0px))}
@media(hover:hover){.back-top.is-show:hover,.back-top.is-show:focus-visible{opacity:1}}
/* Align anchored sections with the measured bottom of the sticky navigation. */
main [id]{scroll-margin-top:var(--anchor-offset,calc(var(--nav-h) + 50px))}

/* Shared primary action palette, matching the contact CTA. */
:root{--action-blue:linear-gradient(135deg,#2456D6 0%,#236BD8 100%)}
.btn-primary,.btn-dark,
.section--dark .btn-primary,.stage-dark .btn-primary{
  background:var(--action-blue);
  color:#fff;
}
.btn-primary:hover,.btn-dark:hover,
.section--dark .btn-primary:hover,.stage-dark .btn-primary:hover{
  background:var(--action-blue);
}

/* Temporarily hide the back-to-top control across the site. */
.back-top{display:none!important}