/* ==========================================================================
   SEAVIEW 海之景科技集团 · 赛博朋克静态站
   main.css — 设计系统 / 布局 / 组件
   --------------------------------------------------------------------------
   00 tokens    01 reset     02 背景特效   03 排版
   04 按钮      05 页头      06 首屏       07 通用区块
   08 卡片      09 产品      10 解决方案   11 案例
   12 新闻      13 支持      14 关于       15 联系
   16 页脚      17 动效      18 响应式
   ========================================================================== */

/* 00 tokens
   ========================================================================== */
:root {
  --bg: #04060d;
  --bg-2: #070b15;
  --bg-3: #0a1120;
  --panel: rgba(10, 18, 32, 0.72);
  --panel-solid: #0a1220;

  --ink: #e9f6ff;
  --ink-2: #c3d6ea;
  --muted: #8ba1bb;
  --dim: #5b6d85;

  --cyan: #22e7ff;
  --cyan-deep: #00a8c8;
  --magenta: #ff2ea6;
  --violet: #8a5cff;
  --lime: #c9ff4a;
  --amber: #ffc44d;

  --line: rgba(34, 231, 255, 0.16);
  --line-strong: rgba(34, 231, 255, 0.38);
  --line-soft: rgba(255, 255, 255, 0.07);

  --grad: linear-gradient(100deg, #22e7ff 0%, #8a5cff 52%, #ff2ea6 100%);
  --grad-cyan: linear-gradient(120deg, #22e7ff, #00a8c8);
  --grad-panel: linear-gradient(160deg, rgba(20, 34, 56, 0.9), rgba(7, 11, 21, 0.94));

  --font: "Bahnschrift", "DIN Alternate", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --mono: "Cascadia Code", "JetBrains Mono", "SF Mono", Consolas, "Courier New", monospace;

  --wrap: 1400px;
  --gutter: clamp(18px, 4vw, 56px);
  --radius: 3px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --z-header: 96;
  --z-dialog: 120;
}

/* 01 reset
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img,
svg,
video {
  display: block;
  max-width: 100%;
}
img {
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}
button {
  background: none;
  border: 0;
  cursor: pointer;
}
ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}
::selection {
  background: var(--cyan);
  color: #001018;
}
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}
.skip {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 999;
  padding: 10px 18px;
  background: var(--cyan);
  color: #001018;
  font-weight: 700;
}
.skip:focus {
  top: 12px;
}

/* 02 背景特效
   ========================================================================== */
.fx {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(900px 600px at 78% -8%, rgba(138, 92, 255, 0.18), transparent 60%),
    radial-gradient(760px 520px at 8% 12%, rgba(34, 231, 255, 0.12), transparent 62%),
    radial-gradient(700px 700px at 60% 108%, rgba(255, 46, 166, 0.08), transparent 60%),
    linear-gradient(180deg, #04060d 0%, #050912 45%, #04060d 100%);
}
.fx::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(34, 231, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 231, 255, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 10%, transparent 78%);
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 10%, transparent 78%);
}
.fx::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  opacity: 0.035;
  mix-blend-mode: screen;
}
.noise-line {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.022) 0px,
    rgba(255, 255, 255, 0.022) 1px,
    transparent 1px,
    transparent 4px
  );
  opacity: 0.55;
}

/* 03 排版
   ========================================================================== */
.wrap {
  width: min(var(--wrap), 100% - var(--gutter) * 2);
  margin-inline: auto;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}
.eyebrow .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse 2.4s infinite;
}
h1,
h2,
h3,
h4 {
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: 0.02em;
}
.display {
  font-size: clamp(46px, 6.4vw, 104px);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: 0.01em;
}
.h2 {
  font-size: clamp(32px, 4.2vw, 58px);
  letter-spacing: 0.04em;
}
.h3 {
  font-size: clamp(20px, 2vw, 26px);
}
.lead {
  color: var(--muted);
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.95;
}
.mono {
  font-family: var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.cy {
  color: var(--cyan);
}
.mg {
  color: var(--magenta);
}
.dim {
  color: var(--dim);
}
.sec {
  position: relative;
  padding: clamp(72px, 10vw, 140px) 0;
}
.sec-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: clamp(36px, 5vw, 64px);
}
.sec-head-main {
  max-width: 820px;
}
.sec-idx {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--dim);
  margin-bottom: 18px;
}
.sec-idx b {
  color: var(--cyan);
  font-weight: 500;
}
.sec-title {
  margin: 14px 0 18px;
}
.sec-desc {
  max-width: 620px;
  color: var(--muted);
}
.sec-link {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
  transition: color 0.3s, border-color 0.3s, gap 0.3s;
}
.sec-link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  gap: 16px;
}

/* 04 按钮
   ========================================================================== */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 15px 30px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.2;
  border: 1px solid transparent;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: transform 0.35s var(--ease), box-shadow 0.35s, background 0.35s, color 0.35s,
    border-color 0.35s;
}
.btn svg {
  width: 16px;
  height: 16px;
  transition: transform 0.35s var(--ease);
}
.btn:hover svg {
  transform: translateX(4px);
}
.btn-primary {
  background: var(--cyan);
  color: #001018;
  box-shadow: 0 0 0 rgba(34, 231, 255, 0);
}
.btn-primary:hover {
  background: #7df3ff;
  box-shadow: 0 8px 34px rgba(34, 231, 255, 0.28);
  transform: translateY(-2px);
}
.btn-ghost {
  border-color: var(--line-strong);
  color: var(--ink);
  background: rgba(34, 231, 255, 0.03);
}
.btn-ghost:hover {
  border-color: var(--cyan);
  background: rgba(34, 231, 255, 0.09);
  color: #fff;
  transform: translateY(-2px);
}
.btn-sm {
  padding: 10px 18px;
  font-size: 12px;
  letter-spacing: 0.08em;
}
.btn-block {
  width: 100%;
}

/* 05 页头
   ========================================================================== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  transition: background 0.4s, box-shadow 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 6, 13, 0.86), rgba(4, 6, 13, 0.42));
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  backdrop-filter: blur(16px) saturate(120%);
  opacity: 0;
  transition: opacity 0.4s;
}
.site-header.is-stuck::before {
  opacity: 1;
}
.site-header.is-stuck {
  border-bottom-color: var(--line-soft);
  box-shadow: 0 18px 40px -24px rgba(0, 0, 0, 0.9);
}
.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.2vw, 36px);
  height: 86px;
  width: min(var(--wrap), 100% - var(--gutter) * 2);
  margin-inline: auto;
  transition: height 0.4s var(--ease);
}
.is-stuck .header-inner {
  height: 70px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
}
.brand-logo {
  display: block;
  height: 34px;
  width: auto;
  max-width: 100%;
  filter: brightness(1.78) saturate(1.15) drop-shadow(0 0 12px rgba(34, 231, 255, 0.22));
  transition: filter 0.35s, transform 0.35s;
}
.brand:hover .brand-logo {
  filter: brightness(2.05) saturate(1.2) drop-shadow(0 0 18px rgba(34, 231, 255, 0.45));
  transform: translateY(-1px);
}
.foot-brand .brand-logo {
  height: 38px;
}
.nav {
  margin-left: auto;
}
.nav > ul {
  display: flex;
  align-items: center;
  gap: clamp(4px, 0.4vw, 10px);
}
.nav > ul > li {
  position: relative;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 12px;
  font-size: 13.5px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  position: relative;
  transition: color 0.3s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
  box-shadow: 0 0 8px var(--cyan);
}
.nav-link:hover,
.nav-link.is-active {
  color: #fff;
}
.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
}
.nav-link .chev {
  width: 7px;
  height: 7px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  opacity: 0.6;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex: none;
}
.header-actions .btn {
  padding: 11px 20px;
  font-size: 12px;
}
.header-shop {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.3s;
}
.header-shop:hover {
  color: var(--cyan);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  position: absolute;
  left: 50%;
  width: 18px;
  height: 1px;
  background: var(--ink);
  transform: translateX(-50%);
  transition: transform 0.35s var(--ease), opacity 0.2s;
}
.nav-toggle span {
  top: 50%;
  margin-top: -0.5px;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  left: 0;
  transform: none;
}
.nav-toggle span::before {
  top: -6px;
}
.nav-toggle span::after {
  top: 6px;
}
.nav-toggle[aria-expanded="true"] span {
  background: transparent;
}
.nav-toggle[aria-expanded="true"] span::before {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* 下拉大菜单 */
.mega {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  width: min(680px, 86vw);
  transform: translateX(-50%) translateY(8px);
  background: rgba(6, 10, 19, 0.96);
  border: 1px solid var(--line);
  box-shadow: 0 40px 80px -30px #000, 0 0 0 1px rgba(255, 255, 255, 0.02) inset;
  padding: 26px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.4s var(--ease), visibility 0.3s;
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}
.mega::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--grad);
  opacity: 0.7;
}
.has-mega.is-open .mega,
.has-mega:focus-within .mega {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.mega-title {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--dim);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.mega-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 18px;
}
.mega-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.mega a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 10px;
  font-size: 13px;
  color: var(--ink-2);
  border-left: 1px solid transparent;
  transition: background 0.25s, color 0.25s, border-color 0.25s, padding-left 0.25s;
}
.mega a:hover {
  background: rgba(34, 231, 255, 0.06);
  color: #fff;
  border-left-color: var(--cyan);
  padding-left: 14px;
}
.mega a span {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--dim);
}
.mega-foot {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--dim);
  text-transform: uppercase;
}
.mega-foot a {
  color: var(--cyan);
}

/* 滚动进度 */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: transparent;
}
.scroll-progress i {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  box-shadow: 0 0 12px rgba(34, 231, 255, 0.7);
}

/* 移动抽屉 */
.drawer {
  display: none;
}
.drawer-close,
.drawer-cta,
.drawer-head {
  display: none;
}

/* 06 首屏
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 132px 0 96px;
  overflow: hidden;
}
.hero > .wrap {
  position: relative;
  z-index: 2;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  align-items: center;
  gap: clamp(24px, 4vw, 72px);
}
.hero-copy {
  max-width: 700px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 7px 14px 7px 8px;
  border: 1px solid var(--line);
  background: rgba(34, 231, 255, 0.04);
  font-family: var(--font);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-2);
  margin-bottom: 26px;
}
.hero-badge em {
  font-style: normal;
  font-family: var(--mono);
  padding: 3px 8px;
  background: var(--cyan);
  color: #001018;
  font-weight: 700;
  letter-spacing: 0.14em;
  font-size: 10px;
}
.hero-title {
  font-size: clamp(52px, 7.4vw, 118px);
  font-weight: 800;
  line-height: 0.94;
  letter-spacing: 0.015em;
  margin: 0 0 10px;
}
.hero-title .line {
  display: block;
  position: relative;
}
.hero-title .line-2 {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 34px rgba(34, 231, 255, 0.16));
}
.hero-en {
  font-family: var(--mono);
  font-size: clamp(11px, 1.05vw, 13px);
  letter-spacing: 0.36em;
  color: var(--muted);
  text-transform: uppercase;
  margin: 26px 0 0;
}
.hero-desc {
  max-width: 520px;
  margin-top: 20px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.95;
}
.hero-desc b {
  color: var(--ink);
  font-weight: 600;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 38px;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 3vw, 48px);
  margin-top: 58px;
  padding-top: 26px;
  border-top: 1px solid var(--line-soft);
}
.hero-stat .num {
  font-size: clamp(26px, 2.6vw, 36px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
}
.hero-stat .num small {
  font-size: 13px;
  color: var(--cyan);
  margin-left: 3px;
  font-weight: 500;
}
.hero-stat .lbl {
  display: block;
  margin-top: 8px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--dim);
}

/* 右侧产品视觉 */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 0.92;
  display: grid;
  place-items: center;
}
.hero-stage {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
.ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(34, 231, 255, 0.18);
}
.ring-1 {
  width: 88%;
  aspect-ratio: 1;
  border-style: dashed;
  animation: spin 46s linear infinite;
}
.ring-2 {
  width: 68%;
  aspect-ratio: 1;
  border-color: rgba(138, 92, 255, 0.24);
}
.ring-2::before,
.ring-2::after {
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 14px var(--violet);
}
.ring-2::before {
  top: -3px;
  left: 50%;
}
.ring-2::after {
  bottom: 6%;
  left: 12%;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan);
}
.ring-3 {
  width: 48%;
  aspect-ratio: 1;
  border-color: rgba(255, 46, 166, 0.2);
  animation: spin 28s linear infinite reverse;
}
.ring-3::after {
  content: "";
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.hero-glow {
  position: absolute;
  width: 62%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 231, 255, 0.24), rgba(34, 231, 255, 0.04) 46%, transparent 68%);
  filter: blur(14px);
  animation: breathe 7s ease-in-out infinite;
}
.hero-product {
  position: relative;
  z-index: 2;
  width: min(88%, 560px);
  filter: drop-shadow(0 34px 60px rgba(0, 0, 0, 0.65)) drop-shadow(0 0 46px rgba(34, 231, 255, 0.22));
  animation: float 9s ease-in-out infinite;
  will-change: transform;
}
.hero-product img {
  width: 100%;
}
.hud-tag {
  position: absolute;
  z-index: 3;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  text-transform: uppercase;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}
.hud-tag::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}
.hud-tag.t1 {
  top: 16%;
  right: 2%;
}
.hud-tag.t1::before {
  order: 2;
}
.hud-tag.t2 {
  bottom: 3%;
  left: 0;
}
.hud-tag.t3 {
  top: 8%;
  left: 16%;
  color: var(--magenta);
}
.hud-tag.t3::before {
  background: var(--magenta);
  box-shadow: 0 0 8px var(--magenta);
}
.hud-code {
  position: absolute;
  right: 0;
  bottom: 4%;
  writing-mode: vertical-rl;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--dim);
  text-transform: uppercase;
}
.hud-corners {
  position: absolute;
  inset: 5% 2%;
  pointer-events: none;
}
.hud-corners::before,
.hud-corners::after {
  content: "";
  position: absolute;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line-strong);
}
.hud-corners::before {
  top: 0;
  left: 0;
  border-right: 0;
  border-bottom: 0;
}
.hud-corners::after {
  bottom: 0;
  right: 0;
  border-left: 0;
  border-top: 0;
}
.hero-floor {
  position: absolute;
  left: -10%;
  right: -10%;
  bottom: -6%;
  height: 46%;
  background-image: linear-gradient(rgba(34, 231, 255, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 231, 255, 0.16) 1px, transparent 1px);
  background-size: 64px 64px;
  transform: perspective(520px) rotateX(74deg);
  transform-origin: bottom center;
  -webkit-mask-image: linear-gradient(to top, #000 0%, transparent 78%);
  mask-image: linear-gradient(to top, #000 0%, transparent 78%);
  opacity: 0.7;
  pointer-events: none;
}
.hero-scan {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.028) 0 1px,
    transparent 1px 3px
  );
  pointer-events: none;
  opacity: 0.5;
}
.hero-scroll {
  position: absolute;
  left: var(--gutter);
  bottom: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--dim);
  text-transform: uppercase;
}
.hero-scroll i {
  display: block;
  width: 1px;
  height: 46px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  animation: scrollLine 2.6s var(--ease) infinite;
}

/* 跑马灯 */
.ticker {
  position: relative;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(6, 10, 19, 0.5);
  overflow: hidden;
  padding: 14px 0;
}
.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker 46s linear infinite;
}
.ticker:hover .ticker-track {
  animation-play-state: paused;
}
.ticker span {
  display: inline-flex;
  align-items: center;
  gap: 26px;
  padding-right: 26px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  color: var(--dim);
  text-transform: uppercase;
  white-space: nowrap;
}
.ticker span::after {
  content: "◈";
  color: var(--cyan);
  opacity: 0.6;
  font-size: 9px;
}

/* 07 通用区块
   ========================================================================== */
.panel {
  position: relative;
  background: var(--grad-panel);
  border: 1px solid var(--line-soft);
}
.panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 24px;
  width: 64px;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  opacity: 0.8;
}
.corner-cut {
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid rgba(34, 231, 255, 0.28);
  background: rgba(34, 231, 255, 0.06);
}
.tag.mg {
  color: var(--magenta);
  border-color: rgba(255, 46, 166, 0.28);
  background: rgba(255, 46, 166, 0.06);
}
.tag.amber {
  color: var(--amber);
  border-color: rgba(255, 196, 77, 0.28);
  background: rgba(255, 196, 77, 0.06);
}

/* 页面小首屏 */
.page-hero {
  position: relative;
  padding: 170px 0 70px;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
}
.page-hero::after {
  content: "";
  position: absolute;
  right: -10%;
  top: -30%;
  width: 62vw;
  height: 62vw;
  background: radial-gradient(circle, rgba(34, 231, 255, 0.12), transparent 62%);
  pointer-events: none;
}
.page-hero .wrap {
  position: relative;
  z-index: 2;
}
.crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--dim);
  text-transform: uppercase;
  margin-bottom: 42px;
}
.crumb a {
  color: var(--muted);
  transition: color 0.25s;
}
.crumb a:hover {
  color: var(--cyan);
}
.crumb i {
  font-style: normal;
  opacity: 0.5;
}
.crumb b {
  color: var(--cyan);
  font-weight: 500;
}
.page-hero-inner {
  max-width: 900px;
}
.page-hero h1 {
  font-size: clamp(44px, 6vw, 86px);
  font-weight: 800;
  line-height: 1;
  margin: 18px 0 22px;
  letter-spacing: 0.02em;
}
.page-hero .lead {
  max-width: 640px;
}
.page-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 34px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--dim);
  text-transform: uppercase;
}
.page-hero-meta b {
  color: var(--ink-2);
  font-weight: 500;
}
.page-hero-no {
  position: absolute;
  right: var(--gutter);
  bottom: -0.16em;
  font-family: var(--font);
  font-size: clamp(120px, 20vw, 300px);
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(34, 231, 255, 0.1);
  pointer-events: none;
  user-select: none;
}

/* 08 卡片 / 横向轨道
   ========================================================================== */
.card {
  position: relative;
  background: linear-gradient(165deg, rgba(16, 27, 45, 0.82), rgba(6, 10, 19, 0.9));
  border: 1px solid var(--line-soft);
  transition: border-color 0.4s, transform 0.5s var(--ease-out), box-shadow 0.5s;
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(34, 231, 255, 0.05));
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.card:hover {
  border-color: rgba(34, 231, 255, 0.4);
  box-shadow: 0 30px 60px -40px rgba(0, 0, 0, 0.9), 0 0 36px -14px rgba(34, 231, 255, 0.3);
  transform: translateY(-5px);
}
.card:hover::after {
  opacity: 1;
}
.rail-wrap {
  position: relative;
}
.rail {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 2px 26px;
  scrollbar-width: none;
  cursor: grab;
}
.rail::-webkit-scrollbar {
  display: none;
}
.rail.is-dragging {
  cursor: grabbing;
  scroll-snap-type: none;
}
.rail > * {
  scroll-snap-align: start;
  flex: 0 0 clamp(260px, 26vw, 340px);
}
.rail-bar {
  position: relative;
  height: 1px;
  background: var(--line-soft);
  margin-top: 4px;
  overflow: hidden;
}
.rail-bar i {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 20%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  transition: transform 0.15s linear;
}
.rail-nav {
  display: flex;
  gap: 8px;
}
.rail-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: var(--ink-2);
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}
.rail-btn:hover {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #001018;
}
.rail-btn:disabled {
  opacity: 0.3;
  pointer-events: none;
}

/* 数据条 */
.stats-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line-soft);
  border-left: 0;
  margin-top: clamp(40px, 5vw, 64px);
}
.stat {
  position: relative;
  padding: 30px clamp(16px, 2.4vw, 36px);
  border-left: 1px solid var(--line-soft);
  background: rgba(8, 13, 24, 0.4);
}
.stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  height: 0;
  background: var(--cyan);
  transition: height 0.6s var(--ease);
}
.stat.is-in::before {
  height: 100%;
}
.stat .n {
  font-size: clamp(30px, 3.4vw, 48px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.01em;
  color: #fff;
}
.stat .n sup {
  font-size: 0.42em;
  color: var(--cyan);
  top: -0.5em;
  font-weight: 500;
}
.stat .t {
  display: block;
  margin-top: 10px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--dim);
}
.stat p {
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.7;
}

/* 09 产品
   ========================================================================== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 34px;
}
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 1 1 620px;
  min-width: 0;
}
.chip {
  padding: 8px 14px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
  border: 1px solid var(--line-soft);
  transition: color 0.3s, border-color 0.3s, background 0.3s;
  white-space: nowrap;
}
.chip:hover {
  color: #fff;
  border-color: var(--line-strong);
}
.chip.is-active {
  color: #001018;
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
}
.chip .c {
  display: inline-block;
  margin-left: 6px;
  font-family: var(--mono);
  font-size: 9px;
  opacity: 0.6;
}
.search-box {
  position: relative;
  flex: 0 1 280px;
  min-width: 220px;
  margin-left: auto;
}
.search-box input {
  width: 100%;
  height: 38px;
  padding: 0 36px 0 14px;
  background: rgba(8, 13, 24, 0.8);
  border: 1px solid var(--line-soft);
  color: var(--ink);
  font-size: 13px;
  outline: none;
  transition: border-color 0.3s;
}
.search-box input::placeholder {
  color: var(--dim);
}
.search-box input:focus {
  border-color: var(--cyan);
}
.search-box svg {
  position: absolute;
  right: 12px;
  top: 50%;
  width: 14px;
  height: 14px;
  transform: translateY(-50%);
  color: var(--dim);
  pointer-events: none;
}
.product-layout {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: start;
}
.cat-nav {
  position: sticky;
  top: 104px;
}
.cat-nav h3 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--dim);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.cat-nav a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 12px;
  font-size: 13.5px;
  color: var(--muted);
  border-left: 1px solid var(--line-soft);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: color 0.25s, border-color 0.25s, background 0.25s, padding-left 0.25s;
}
.cat-nav a .num {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--dim);
}
.cat-nav a:hover,
.cat-nav a.is-active {
  color: #fff;
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, rgba(34, 231, 255, 0.08), transparent);
  padding-left: 18px;
}
.product-group {
  margin-bottom: clamp(48px, 6vw, 80px);
  scroll-margin-top: 110px;
}
.product-group-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 26px;
}
.product-group-head h2 {
  font-size: clamp(22px, 2.2vw, 30px);
  letter-spacing: 0.05em;
}
.product-group-head .count {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--dim);
  letter-spacing: 0.16em;
}
.product-group-head .rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--line), transparent);
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}
.product-card {
  display: flex;
  flex-direction: column;
  text-align: left;
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  width: 100%;
}
.p-media {
  position: relative;
  height: 230px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 46%, rgba(34, 231, 255, 0.14), transparent 58%),
    linear-gradient(180deg, rgba(13, 24, 42, 0.9), rgba(6, 10, 19, 0.4));
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}
.p-media::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(34, 231, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 231, 255, 0.07) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000, transparent 72%);
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 72%);
  opacity: 0.7;
}
.p-media::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 54%;
  width: 74%;
  height: 58%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(34, 231, 255, 0.26), rgba(34, 231, 255, 0.07) 46%, transparent 72%);
  filter: blur(9px);
  z-index: 0;
  pointer-events: none;
}
.p-media img {
  position: relative;
  z-index: 1;
  max-height: 180px;
  max-width: 78%;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 18px 22px rgba(0, 0, 0, 0.5)) drop-shadow(0 0 2px rgba(170, 225, 255, 0.3));
  transition: transform 0.6s var(--ease-out), filter 0.6s;
}
.product-card:hover .p-media img {
  transform: translateY(-4px) scale(1.05);
  filter: drop-shadow(0 22px 26px rgba(0, 0, 0, 0.55)) drop-shadow(0 0 22px rgba(34, 231, 255, 0.35));
}
.p-body {
  padding: 20px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.p-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--dim);
  text-transform: uppercase;
}
.p-kicker .type {
  color: var(--cyan);
  opacity: 0.9;
}
.p-model {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: #fff;
  line-height: 1.3;
  word-break: break-word;
}
.p-sub {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.65;
  min-height: 2.6em;
}
.p-more {
  margin-top: auto;
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--dim);
  text-transform: uppercase;
}
.p-more svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s, color 0.3s;
}
.product-card:hover .p-more svg {
  color: var(--cyan);
  transform: translateX(5px);
}
.p-empty {
  padding: 40px;
  text-align: center;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  border: 1px dashed var(--line-soft);
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.p-empty p {
  max-width: 46ch;
  line-height: 1.9;
  letter-spacing: 0.06em;
}

/* 产品弹层 */
.product-dialog {
  width: min(1040px, 92vw);
  max-height: 88vh;
  padding: 0;
  border: 1px solid rgba(34, 231, 255, 0.35);
  background: #070c16;
  color: var(--ink);
  overflow: auto;
  box-shadow: 0 50px 120px -40px #000;
}
.product-dialog::backdrop {
  background: rgba(2, 5, 10, 0.82);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.pd-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
}
.pd-media {
  position: relative;
  display: grid;
  place-items: center;
  padding: 44px 30px;
  background: radial-gradient(circle at 50% 40%, rgba(34, 231, 255, 0.16), transparent 62%),
    linear-gradient(180deg, #0a1424, #060a13);
  border-right: 1px solid var(--line-soft);
  min-height: 360px;
}
.pd-media img {
  max-height: 340px;
  width: auto;
  max-width: 82%;
  filter: drop-shadow(0 24px 32px rgba(0, 0, 0, 0.6)) drop-shadow(0 0 30px rgba(34, 231, 255, 0.24));
}
.pd-info {
  padding: clamp(26px, 3.4vw, 44px);
}
.pd-info h2 {
  font-size: clamp(22px, 2.4vw, 30px);
  margin: 10px 0 8px;
  word-break: break-word;
}
.pd-sub {
  color: var(--muted);
  font-size: 13.5px;
}
.pd-features {
  margin: 24px 0 0;
  border-top: 1px solid var(--line-soft);
}
.pd-features li {
  display: flex;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.65;
}
.pd-features li::before {
  content: "▹";
  color: var(--cyan);
  flex: none;
}
.pd-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.dialog-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 3;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: rgba(4, 8, 15, 0.8);
  color: var(--ink-2);
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.dialog-close:hover {
  background: var(--magenta);
  border-color: var(--magenta);
  color: #fff;
}

/* 10 解决方案
   ========================================================================== */
.sol-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
.sol-index {
  position: sticky;
  top: 104px;
  max-height: calc(100vh - 130px);
  overflow: auto;
  scrollbar-width: thin;
  padding-right: 12px;
}
.sol-index .grp {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--dim);
  text-transform: uppercase;
  margin: 22px 0 8px;
}
.sol-index .grp:first-child {
  margin-top: 0;
}
.sol-index a {
  display: flex;
  gap: 10px;
  padding: 7px 10px;
  font-size: 12.5px;
  color: var(--muted);
  border-left: 1px solid var(--line-soft);
  transition: color 0.25s, border-color 0.25s, background 0.25s;
}
.sol-index a i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--dim);
  padding-top: 3px;
}
.sol-index a:hover,
.sol-index a.is-active {
  color: #fff;
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, rgba(34, 231, 255, 0.07), transparent);
}
.sol-block {
  padding: 0 0 clamp(52px, 7vw, 96px);
  scroll-margin-top: 100px;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: clamp(42px, 6vw, 72px);
}
.sol-block:last-child {
  border-bottom: 0;
  margin-bottom: 0;
}
.sol-head {
  display: flex;
  align-items: flex-start;
  gap: clamp(16px, 2.4vw, 32px);
  margin-bottom: 28px;
}
.sol-no {
  font-family: var(--mono);
  font-size: clamp(34px, 4.6vw, 62px);
  font-weight: 700;
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1px rgba(34, 231, 255, 0.5);
  flex: none;
}
.sol-head h2 {
  font-size: clamp(26px, 3.2vw, 42px);
  letter-spacing: 0.04em;
}
.sol-en {
  display: block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--cyan);
  text-transform: uppercase;
}
.sol-overview p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.95;
  margin-bottom: 14px;
  max-width: 900px;
}
.sol-overview p:last-child {
  margin-bottom: 0;
}
.sol-cols {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(24px, 3vw, 44px);
  margin-top: 36px;
  align-items: start;
}
.sol-cols h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-family: var(--mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: 18px;
  font-weight: 500;
}
.sol-cols h3::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 8px var(--cyan);
}
.req-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.req {
  display: flex;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line-soft);
  background: rgba(9, 15, 27, 0.55);
  transition: border-color 0.3s, background 0.3s;
}
.req:hover {
  border-color: rgba(34, 231, 255, 0.3);
  background: rgba(34, 231, 255, 0.04);
}
.req-icon {
  width: 30px;
  height: 30px;
  flex: none;
  display: grid;
  place-items: center;
  border: 1px solid rgba(34, 231, 255, 0.28);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 10px;
}
.req h4 {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}
.req p {
  margin-top: 4px;
  font-size: 12px;
  color: var(--dim);
  line-height: 1.6;
}
.feat-list {
  display: grid;
  gap: 10px;
}
.feat {
  position: relative;
  padding: 13px 16px 13px 38px;
  font-size: 13px;
  color: var(--ink-2);
  background: linear-gradient(90deg, rgba(34, 231, 255, 0.06), transparent);
  border-left: 1px solid rgba(34, 231, 255, 0.35);
  line-height: 1.65;
}
.feat::before {
  content: "✓";
  position: absolute;
  left: 14px;
  top: 12px;
  color: var(--cyan);
  font-size: 12px;
  text-shadow: 0 0 8px rgba(34, 231, 255, 0.8);
}
.topo {
  position: relative;
  margin-top: 34px;
  border: 1px solid var(--line-soft);
  background: rgba(6, 11, 20, 0.6);
  padding: 18px;
  overflow: hidden;
}
.topo-head {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--dim);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.topo-head b {
  color: var(--cyan);
  font-weight: 500;
}
.topo svg {
  width: 100%;
  height: auto;
  overflow: visible;
}
.topo .ln {
  stroke: rgba(34, 231, 255, 0.4);
  stroke-width: 1;
  stroke-dasharray: 4 4;
  animation: dash 18s linear infinite;
}
.topo .ln.slow {
  animation-duration: 26s;
  stroke: rgba(138, 92, 255, 0.4);
}
.topo .node {
  fill: #08111e;
  stroke: rgba(34, 231, 255, 0.55);
  stroke-width: 1;
}
.topo .node.core {
  stroke: var(--cyan);
  fill: rgba(34, 231, 255, 0.12);
}
.topo text {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.1em;
  fill: #92a9c2;
}
.topo text.lbl {
  fill: var(--cyan);
}

/* 首页方案卡 */
.sol-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.sol-card {
  position: relative;
  padding: clamp(26px, 3vw, 40px);
  min-height: 300px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.sol-card .big-no {
  position: absolute;
  right: 18px;
  top: 6px;
  font-size: 110px;
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(34, 231, 255, 0.13);
  pointer-events: none;
}
.sol-card .sol-card-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 90% 0%, rgba(34, 231, 255, 0.14), transparent 55%);
  opacity: 0;
  transition: opacity 0.5s;
}
.sol-card:hover .sol-card-bg {
  opacity: 1;
}
.sol-card h3 {
  font-size: clamp(24px, 2.4vw, 34px);
  margin: 12px 0 14px;
}
.sol-card .sol-en {
  margin: 0;
}
.sol-sub {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 22px;
}
.sol-sub a {
  position: relative;
  font-size: 12.5px;
  color: var(--muted);
  padding: 6px 0;
  margin-right: 18px;
  transition: color 0.3s;
}
.sol-sub a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 3px;
  width: 100%;
  height: 1px;
  background: var(--line-soft);
  transition: background 0.3s;
}
.sol-sub a:hover {
  color: var(--cyan);
}
.sol-sub a:hover::after {
  background: var(--cyan);
}

/* 11 案例
   ========================================================================== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}
.case-card {
  position: relative;
  grid-column: span 4;
  min-height: 380px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  border: 1px solid var(--line-soft);
  isolation: isolate;
}
.case-card.wide {
  grid-column: span 8;
}
.case-card .case-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-size: cover;
  background-position: center;
  filter: grayscale(1) contrast(1.1) brightness(0.5);
  transform: scale(1.04);
  transition: transform 1.2s var(--ease-out), filter 0.8s;
}
.case-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(4, 6, 13, 0.1) 20%, rgba(4, 6, 13, 0.92) 82%),
    linear-gradient(120deg, rgba(34, 231, 255, 0.18), transparent 55%);
}
.case-card:hover .case-bg {
  transform: scale(1.1);
  filter: grayscale(0.4) contrast(1.05) brightness(0.62);
}
.case-card .case-tag {
  position: absolute;
  top: 24px;
  left: 28px;
}
.case-card h3 {
  font-size: clamp(20px, 1.9vw, 26px);
  line-height: 1.35;
  margin-bottom: 8px;
}
.case-card .en {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  color: var(--cyan);
  text-transform: uppercase;
}
.case-card p {
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.75;
  max-width: 56ch;
}
.case-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}
.case-metrics b {
  display: block;
  font-size: 24px;
  line-height: 1;
  color: #fff;
}
.case-metrics span {
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--dim);
}
.honor-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}
.honor {
  background: #060b14;
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background 0.4s;
}
.honor:hover {
  background: #0a1422;
}
.honor .ico {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(34, 231, 255, 0.25);
  color: var(--cyan);
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  background: rgba(34, 231, 255, 0.06);
}
.honor b {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink);
  font-weight: 600;
}
.honor span {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--dim);
  text-transform: uppercase;
}

/* 12 新闻
   ========================================================================== */
.news-featured {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 54px;
}
.news-card {
  position: relative;
  padding: 28px;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.news-card .date {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.news-card h3 {
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.55;
  margin: 16px 0 20px;
  font-weight: 600;
}
.news-card .go {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--dim);
  text-transform: uppercase;
}
.news-card .go svg {
  width: 16px;
  height: 16px;
  transition: transform 0.35s, color 0.35s;
}
.news-card:hover .go svg {
  color: var(--cyan);
  transform: translateX(6px);
}
.news-card.featured {
  grid-column: span 2;
}
.news-featured.news-home {
  grid-template-columns: 1.35fr 0.65fr;
  grid-template-rows: 1fr 1fr;
}
.news-home .news-card.featured {
  grid-column: 1;
  grid-row: 1 / 3;
}
.news-home .news-card:not(.featured) {
  grid-column: 2;
}
.news-card.featured h3 {
  font-size: clamp(24px, 2.6vw, 36px);
  max-width: 16ch;
}
.news-list {
  border-top: 1px solid var(--line-soft);
}
.news-row {
  display: grid;
  grid-template-columns: 70px 120px minmax(0, 1fr) 40px;
  align-items: center;
  gap: 20px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.35s, padding-left 0.35s;
}
.news-row:hover {
  background: linear-gradient(90deg, rgba(34, 231, 255, 0.06), transparent 60%);
  padding-left: 14px;
}
.news-row .idx {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--dim);
  letter-spacing: 0.1em;
}
.news-row .date {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--muted);
  letter-spacing: 0.06em;
}
.news-row h3 {
  font-size: clamp(14px, 1.25vw, 16.5px);
  font-weight: 500;
  line-height: 1.55;
  color: var(--ink-2);
  transition: color 0.3s;
}
.news-row:hover h3 {
  color: #fff;
}
.news-row .arrow {
  color: var(--dim);
  transition: color 0.3s, transform 0.3s;
  justify-self: end;
}
.news-row:hover .arrow {
  color: var(--cyan);
  transform: translateX(4px);
}
.year-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.year-filter .chip {
  padding: 6px 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
}
.news-empty {
  padding: 60px 0;
  text-align: center;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
}

/* 文章页 */
.article-hero {
  padding: 150px 0 44px;
  border-bottom: 1px solid var(--line-soft);
}
.article-hero h1 {
  font-size: clamp(26px, 3.4vw, 46px);
  line-height: 1.4;
  max-width: 1000px;
  margin: 20px 0 24px;
  font-weight: 700;
}
.article-hero h1 {
  font-size: clamp(28px, 3.6vw, 48px);
  line-height: 1.35;
  max-width: 1000px;
  margin: 20px 0 24px;
  font-weight: 700;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--dim);
  text-transform: uppercase;
}
.article-meta b {
  color: var(--ink-2);
  font-weight: 500;
}
.article-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: clamp(30px, 5vw, 72px);
  padding: clamp(44px, 6vw, 78px) 0;
  align-items: start;
}
.article-body {
  max-width: 820px;
  font-size: 15.5px;
  line-height: 1.95;
  color: var(--ink-2);
  overflow-wrap: break-word;
}
.article-body p {
  margin: 0 0 1.3em;
}
.article-body img {
  max-width: 100%;
  height: auto;
  margin: 26px auto;
  border: 1px solid var(--line-soft);
  filter: saturate(0.9) contrast(1.02);
}
.article-body h2,
.article-body h3,
.article-body .header,
.article-body .section-title {
  color: #fff;
  margin: 1.8em 0 0.7em;
  font-weight: 600;
  line-height: 1.4;
}
.article-body h2 {
  font-size: 22px;
}
.article-body h3,
.article-body .header {
  font-size: 19px;
}
.article-body ul,
.article-body ol {
  margin: 0 0 1.4em;
  padding-left: 1.2em;
}
.article-body li {
  list-style: none;
  position: relative;
  padding-left: 18px;
  margin-bottom: 0.7em;
  color: var(--muted);
}
.article-body li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--cyan);
}
.article-body hr {
  border: 0;
  height: 1px;
  background: var(--line-soft);
  margin: 34px 0;
}
.article-body a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(34, 231, 255, 0.35);
}
.article-body .section-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 34px 0 18px;
}
.article-body .section-number {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cyan);
  border: 1px solid var(--line);
  padding: 2px 8px;
}
.article-aside {
  position: sticky;
  top: 104px;
}
.article-aside .box {
  border: 1px solid var(--line-soft);
  padding: 22px;
  background: rgba(8, 13, 24, 0.6);
}
.article-aside h3 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--dim);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.article-aside a {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.6;
  transition: color 0.3s;
}
.article-aside a:hover {
  color: var(--cyan);
}
.article-aside a i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--dim);
  padding-top: 3px;
}
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  border-top: 1px solid var(--line-soft);
  padding-top: 30px;
}
.article-nav a {
  padding: 20px;
  border: 1px solid var(--line-soft);
  transition: border-color 0.3s, background 0.3s;
}
.article-nav a:hover {
  border-color: var(--line-strong);
  background: rgba(34, 231, 255, 0.04);
}
.article-nav span {
  display: block;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--dim);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.article-nav b {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-2);
  line-height: 1.5;
}
.article-nav .next {
  text-align: right;
}
.reading-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--grad);
  z-index: 97;
  width: 0;
  box-shadow: 0 0 10px rgba(34, 231, 255, 0.6);
}

/* 13 技术支持
   ========================================================================== */
.support-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.support-card {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  min-height: 220px;
}
.support-card .ico {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(34, 231, 255, 0.3);
  color: var(--cyan);
  margin-bottom: 20px;
  background: rgba(34, 231, 255, 0.05);
}
.support-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.support-card p {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.75;
}
.support-card .link {
  margin-top: auto;
  padding-top: 18px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}
.support-card:hover {
  border-color: rgba(34, 231, 255, 0.35);
}
.faq {
  border-top: 1px solid var(--line-soft);
  max-width: 980px;
}
.faq-item {
  border-bottom: 1px solid var(--line-soft);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 24px 4px;
  text-align: left;
  transition: color 0.3s;
}
.faq-q:hover {
  color: var(--cyan);
}
.faq-q .no {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--dim);
  flex: none;
}
.faq-q .txt {
  font-size: clamp(14.5px, 1.3vw, 17px);
  font-weight: 500;
  line-height: 1.55;
  flex: 1;
}
.faq-q .pm {
  flex: none;
  width: 26px;
  height: 26px;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  position: relative;
  transition: background 0.3s, border-color 0.3s, transform 0.3s;
}
.faq-q .pm::before,
.faq-q .pm::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: opacity 0.3s, transform 0.3s;
}
.faq-q .pm::before {
  width: 10px;
  height: 1px;
}
.faq-q .pm::after {
  width: 1px;
  height: 10px;
}
.faq-item.is-open .pm {
  background: var(--cyan);
  border-color: var(--cyan);
}
.faq-item.is-open .pm::before,
.faq-item.is-open .pm::after {
  background: #001018;
}
.faq-item.is-open .pm::after {
  transform: rotate(90deg);
  opacity: 0;
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s var(--ease);
}
.faq-a-inner {
  padding: 0 4px 26px 50px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.9;
  max-width: 74ch;
}
.doc-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(28px, 3.4vw, 44px);
  border: 1px solid var(--line);
  background: radial-gradient(800px 200px at 10% 0%, rgba(34, 231, 255, 0.1), transparent 60%),
    rgba(8, 13, 24, 0.7);
}
.doc-band h3 {
  font-size: clamp(20px, 2vw, 26px);
}
.doc-band p {
  color: var(--muted);
  font-size: 13px;
  margin-top: 8px;
}

/* 14 关于
   ========================================================================== */
.about-intro {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(30px, 5vw, 80px);
  align-items: start;
}
.about-quote {
  font-size: clamp(24px, 2.8vw, 38px);
  line-height: 1.5;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.about-quote span {
  color: var(--dim);
}
.about-copy p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 2;
  margin-bottom: 1.2em;
}
.about-copy p b {
  color: var(--ink);
  font-weight: 600;
}
.about-copy .hl {
  color: var(--cyan);
}
.culture-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 40px;
}
.culture-card {
  position: relative;
  padding: 32px 26px;
  min-height: 220px;
  overflow: hidden;
}
.culture-card .glyph {
  position: absolute;
  right: 14px;
  top: 0;
  font-size: 96px;
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(34, 231, 255, 0.14);
}
.culture-card h3 {
  font-size: 17px;
  color: var(--cyan);
  font-family: var(--mono);
  letter-spacing: 0.16em;
  font-weight: 500;
}
.culture-card p {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}
.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 36px;
}
.partner {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  aspect-ratio: 4 / 3;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
}
.partner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.5) brightness(0.55) contrast(1.05);
  transition: transform 0.8s var(--ease-out), filter 0.6s;
  z-index: -1;
}
.partner::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, transparent 30%, rgba(4, 6, 13, 0.92));
}
.partner:hover img {
  transform: scale(1.06);
  filter: grayscale(0) brightness(0.7);
}
.partner b {
  font-size: 14px;
  line-height: 1.5;
  color: #fff;
  font-weight: 600;
}
.partner span {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin-bottom: 6px;
  text-transform: uppercase;
}
.jobs {
  border-top: 1px solid var(--line-soft);
}
.job {
  border-bottom: 1px solid var(--line-soft);
}
.job-head {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 26px 6px;
  cursor: pointer;
  width: 100%;
  text-align: left;
}
.job-head h3 {
  font-size: clamp(16px, 1.5vw, 20px);
  font-weight: 600;
  flex: 1;
}
.job-head .meta {
  display: flex;
  gap: 20px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--dim);
  text-transform: uppercase;
}
.job-head .pm {
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  position: relative;
  flex: none;
  transition: background 0.3s;
}
.job-head .pm::before,
.job-head .pm::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 0.3s, opacity 0.3s;
}
.job-head .pm::before {
  width: 10px;
  height: 1px;
}
.job-head .pm::after {
  width: 1px;
  height: 10px;
}
.job.is-open .pm::after {
  transform: rotate(90deg);
  opacity: 0;
}
.job-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease);
}
.job-body-inner {
  padding: 0 6px 34px;
  max-width: 900px;
}
.job-body h4 {
  font-size: 13px;
  font-family: var(--mono);
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin: 20px 0 10px;
  text-transform: uppercase;
}
.job-body li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.85;
  margin-bottom: 6px;
}
.job-body li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--cyan);
}

/* 15 联系
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(24px, 4vw, 60px);
  align-items: start;
}
.contact-list {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}
.contact-item {
  display: flex;
  gap: 18px;
  padding: 24px 26px;
  background: #060b14;
  transition: background 0.3s;
}
.contact-item:hover {
  background: #091120;
}
.contact-item .ico {
  width: 38px;
  height: 38px;
  flex: none;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--cyan);
}
.contact-item .k {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--dim);
  text-transform: uppercase;
  margin-bottom: 5px;
}
.contact-item .v {
  font-size: 15px;
  color: var(--ink);
  line-height: 1.7;
}
.contact-item .v a:hover {
  color: var(--cyan);
}
.qr-row {
  display: flex;
  gap: 20px;
  margin-top: 20px;
}
.qr {
  border: 1px solid var(--line-soft);
  padding: 12px;
  text-align: center;
  flex: 1;
}
.qr img {
  width: 100%;
  max-width: 140px;
  margin: 0 auto 10px;
  background: #fff;
  padding: 4px;
}
.qr span {
  font-size: 11px;
  color: var(--dim);
  letter-spacing: 0.08em;
}
.form-panel {
  padding: clamp(24px, 3vw, 40px);
}
.form-panel h2 {
  font-size: clamp(24px, 2.4vw, 32px);
  margin-bottom: 8px;
}
.form-panel .hint {
  font-size: 12.5px;
  color: var(--dim);
  margin-bottom: 26px;
}
.field {
  position: relative;
  margin-bottom: 18px;
}
.field label {
  display: block;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--dim);
  text-transform: uppercase;
  margin-bottom: 7px;
}
.field input,
.field textarea,
.field select {
  width: 100%;
  background: rgba(4, 8, 15, 0.7);
  border: 1px solid var(--line-soft);
  padding: 12px 14px;
  font-size: 13.5px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
  border-radius: 0;
  appearance: none;
}
.field textarea {
  min-height: 120px;
  resize: vertical;
}
.field input:focus,
.field textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34, 231, 255, 0.08);
}
.field input::placeholder,
.field textarea::placeholder {
  color: #44546a;
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form-note {
  font-size: 11px;
  color: var(--dim);
  margin-top: 14px;
  line-height: 1.7;
}
.form-status {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  min-height: 1.5em;
}
.map-panel {
  position: relative;
  margin-top: 18px;
  border: 1px solid var(--line-soft);
  min-height: 220px;
  background:
    radial-gradient(circle at 60% 40%, rgba(34, 231, 255, 0.13), transparent 55%),
    repeating-linear-gradient(0deg, rgba(34, 231, 255, 0.06) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(90deg, rgba(34, 231, 255, 0.06) 0 1px, transparent 1px 40px),
    #060b14;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.map-panel .pin {
  position: relative;
  display: grid;
  place-items: center;
  gap: 10px;
  text-align: center;
  z-index: 2;
}
.map-panel .pin::before {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 8px rgba(34, 231, 255, 0.14), 0 0 26px var(--cyan);
  animation: pulse 2.4s infinite;
}
.map-panel .coords {
  position: absolute;
  left: 16px;
  bottom: 14px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--dim);
}
.map-panel a {
  position: absolute;
  right: 16px;
  bottom: 14px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  border-bottom: 1px solid rgba(34, 231, 255, 0.4);
}

/* CTA 通栏 */
.cta-band {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(120deg, rgba(34, 231, 255, 0.08), rgba(138, 92, 255, 0.08) 55%, rgba(255, 46, 166, 0.08));
  padding: clamp(56px, 7vw, 100px) 0;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(34, 231, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 231, 255, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse at 70% 50%, #000, transparent 70%);
  mask-image: radial-gradient(ellipse at 70% 50%, #000, transparent 70%);
}
.cta-inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.cta-inner h2 {
  font-size: clamp(30px, 4.2vw, 58px);
  line-height: 1.12;
  letter-spacing: 0.03em;
}
.cta-inner p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
  max-width: 54ch;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* 16 页脚
   ========================================================================== */
.site-footer {
  position: relative;
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(6, 10, 19, 0.6), #04060d);
  overflow: hidden;
}
.foot-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, 0.8fr) 1.4fr;
  gap: clamp(22px, 3vw, 46px);
  padding: clamp(48px, 6vw, 80px) 0 44px;
}
.foot-brand .brand {
  margin-bottom: 20px;
}
.foot-brand p {
  color: var(--dim);
  font-size: 12.5px;
  line-height: 1.9;
  max-width: 30ch;
}
.foot-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}
.foot-badges span {
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
  border: 1px solid var(--line-soft);
  padding: 4px 7px;
  text-transform: uppercase;
}
.foot-col h4 {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--dim);
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 500;
}
.foot-col a {
  display: block;
  padding: 5px 0;
  font-size: 12.5px;
  color: var(--muted);
  transition: color 0.25s, transform 0.25s;
}
.foot-col a:hover {
  color: var(--cyan);
  transform: translateX(3px);
}
.foot-contact {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.9;
}
.foot-contact b {
  display: block;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  color: var(--dim);
  font-weight: 500;
  margin: 14px 0 3px;
  text-transform: uppercase;
}
.foot-contact b:first-child {
  margin-top: 0;
}
.foot-contact a:hover {
  color: var(--cyan);
}
.foot-qr {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}
.foot-qr img {
  width: 74px;
  height: 74px;
  background: #fff;
  padding: 3px;
}
.foot-mark {
  font-size: clamp(70px, 15vw, 220px);
  font-weight: 800;
  line-height: 0.8;
  letter-spacing: 0.06em;
  text-align: center;
  color: transparent;
  -webkit-text-stroke: 1px rgba(34, 231, 255, 0.08);
  user-select: none;
  pointer-events: none;
  transform: translateY(14%);
}
.foot-bottom {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 22px 0 26px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: var(--dim);
  text-transform: uppercase;
}
.foot-bottom a:hover {
  color: var(--cyan);
}
.to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 60;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: rgba(6, 11, 20, 0.8);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--ink-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.35s, visibility 0.35s, transform 0.35s, background 0.3s, color 0.3s;
}
.to-top.is-on {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.to-top:hover {
  background: var(--cyan);
  color: #001018;
}
.to-top svg {
  width: 16px;
  height: 16px;
}

/* 首页关于视觉 */
.home-about {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(30px, 5vw, 80px);
  align-items: center;
}
.about-visual {
  position: relative;
  min-height: 460px;
  display: grid;
  place-items: center;
}
.about-visual .huge {
  position: absolute;
  font-size: clamp(110px, 15vw, 210px);
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(34, 231, 255, 0.14);
  letter-spacing: -0.02em;
  user-select: none;
}
.about-visual .halo {
  position: absolute;
  width: 78%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 231, 255, 0.16), transparent 62%);
  filter: blur(10px);
}
.about-visual .ring {
  position: absolute;
  width: 74%;
  aspect-ratio: 1;
  border: 1px dashed rgba(34, 231, 255, 0.22);
  border-radius: 50%;
  animation: spin 54s linear infinite;
}
.about-visual .ring.r2 {
  width: 96%;
  border-color: rgba(138, 92, 255, 0.16);
  animation-duration: 76s;
  animation-direction: reverse;
}
.about-visual img {
  position: relative;
  z-index: 2;
  width: min(62%, 300px);
  filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.6)) drop-shadow(0 0 30px rgba(34, 231, 255, 0.22))
    drop-shadow(0 0 2px rgba(180, 230, 255, 0.35));
}
.about-visual .seal {
  position: absolute;
  right: 6%;
  top: 6%;
  width: 108px;
  height: 108px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-align: center;
  z-index: 3;
  background: rgba(4, 8, 15, 0.65);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.about-visual .seal b {
  display: block;
  font-family: var(--mono);
  font-size: 16px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  line-height: 1.2;
}
.about-visual .seal span {
  display: block;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.2em;
  color: var(--dim);
  text-transform: uppercase;
}
.about-visual .badge {
  position: absolute;
  left: 0;
  bottom: 12%;
  z-index: 3;
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: rgba(6, 11, 20, 0.85);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--ink-2);
  text-transform: uppercase;
}
.about-visual .badge em {
  display: block;
  font-style: normal;
  color: var(--cyan);
  margin-bottom: 3px;
}
.home-about .about-copy p {
  margin-bottom: 1em;
}
.home-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin-top: 28px;
}
.home-facts div {
  padding: 16px 18px;
  background: #060b14;
}
.home-facts b {
  display: block;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--dim);
  text-transform: uppercase;
  margin-bottom: 5px;
}
.home-facts span {
  font-size: 13px;
  color: var(--ink-2);
}

/* 组件补充 */
.rail-top {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 14px;
}
.case-grid.feature .case-card:first-child {
  grid-column: span 12;
  min-height: 460px;
}
.case-grid.half .case-card {
  grid-column: span 6;
}
.mega-wide {
  width: min(860px, 90vw);
}
.mega-groups {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px 26px;
}
.mega-group {
  display: flex;
  flex-direction: column;
}
.mega-group .mega-title {
  color: var(--cyan);
  font-size: 9.5px;
  margin: 0 0 4px;
  display: block;
}
.mega-group a:not(.mega-title) {
  font-size: 12.5px;
  padding: 6px 8px;
}
.faq-a-inner h3 {
  color: var(--ink);
  font-size: 14px;
  margin: 18px 0 8px;
  font-family: var(--mono);
  letter-spacing: 0.08em;
}
.faq-a-inner h3:first-child {
  margin-top: 0;
}
.faq-a-inner ol {
  padding-left: 1.3em;
}
.faq-a-inner li {
  list-style: decimal;
  padding-left: 0;
  margin-bottom: 6px;
  color: var(--muted);
}
.faq-a-inner li::before {
  display: none;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 22px 0;
  font-size: 13px;
}
.article-body th,
.article-body td {
  border: 1px solid var(--line-soft);
  padding: 8px 10px;
  text-align: left;
}
.article-body .feature-item {
  list-style: none;
  padding-left: 24px;
}
.article-body .feature-item::before {
  content: attr(data-index);
  color: var(--cyan);
  left: 0;
}
.page-hero .lead:empty {
  display: none;
}

/* 17 动效
   ========================================================================== */
.js [data-reveal] {
  opacity: 0;
  transform: translate3d(0, 30px, 0);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
  transition-delay: var(--delay, 0ms);
  will-change: opacity, transform;
}
.js [data-reveal="left"] {
  transform: translate3d(-40px, 0, 0);
}
.js [data-reveal="right"] {
  transform: translate3d(40px, 0, 0);
}
.js [data-reveal="zoom"] {
  transform: scale(0.94);
}
.js [data-reveal="clip"] {
  clip-path: inset(0 0 100% 0);
  transform: none;
  transition: clip-path 1.1s var(--ease-out), opacity 0.6s;
}
.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
  clip-path: inset(0 0 0 0);
  will-change: auto;
}
[data-parallax] {
  will-change: transform;
}
.tilt {
  transform-style: preserve-3d;
  transition: transform 0.4s var(--ease-out), border-color 0.4s, box-shadow 0.4s;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
@keyframes float {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -14px, 0);
  }
}
@keyframes breathe {
  0%,
  100% {
    opacity: 0.55;
    transform: scale(0.96);
  }
  50% {
    opacity: 0.95;
    transform: scale(1.04);
  }
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}
@keyframes scrollLine {
  0% {
    transform: scaleY(0);
    transform-origin: top;
  }
  45% {
    transform: scaleY(1);
    transform-origin: top;
  }
  55% {
    transform: scaleY(1);
    transform-origin: bottom;
  }
  100% {
    transform: scaleY(0);
    transform-origin: bottom;
  }
}
@keyframes ticker {
  to {
    transform: translate3d(-50%, 0, 0);
  }
}
@keyframes dash {
  to {
    stroke-dashoffset: -200;
  }
}
@keyframes flicker {
  0%,
  100% {
    opacity: 1;
  }
  92% {
    opacity: 1;
  }
  93% {
    opacity: 0.4;
  }
  94% {
    opacity: 1;
  }
  96% {
    opacity: 0.6;
  }
  97% {
    opacity: 1;
  }
}
.flicker {
  animation: flicker 9s infinite;
}
.hero-title .line-1 {
  position: relative;
}
.hero-title .line-1::after {
  content: "";
  position: absolute;
  left: 0.02em;
  top: 0.04em;
  width: 100%;
  height: 100%;
  color: rgba(255, 46, 166, 0.55);
  content: attr(data-text);
  clip-path: inset(0 0 88% 0);
  opacity: 0;
  animation: glitchClip 7s infinite steps(1);
  pointer-events: none;
}
@keyframes glitchClip {
  0%,
  86%,
  100% {
    opacity: 0;
    transform: none;
  }
  87% {
    opacity: 0.8;
    transform: translate(-4px, 2px);
    clip-path: inset(10% 0 72% 0);
  }
  89% {
    opacity: 0.6;
    transform: translate(5px, -1px);
    clip-path: inset(58% 0 26% 0);
  }
  91% {
    opacity: 0;
  }
}

/* 18 响应式
   ========================================================================== */
@media (max-width: 1280px) {
  .foot-top {
    grid-template-columns: 1.2fr repeat(4, 0.7fr) 1.1fr;
  }
}
@media (max-width: 1200px) {
  .header-shop {
    display: none;
  }
  .hero {
    padding-top: 120px;
  }
  .product-layout {
    grid-template-columns: 200px minmax(0, 1fr);
  }
  .news-featured {
    grid-template-columns: 1fr 1fr;
  }
  .news-card.featured {
    grid-column: span 2;
  }
}
@media (max-width: 1024px) {
  .nav-toggle {
    display: block;
    order: 3;
  }
  .header-actions {
    margin-left: auto;
  }
  .nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    margin: 0;
    padding: 96px 30px 40px;
    background: #04070e;
    border-left: 1px solid var(--line);
    transform: translate3d(100%, 0, 0);
    transition: transform 0.5s var(--ease-out);
    overflow-y: auto;
    z-index: 91;
  }
  .nav.is-open {
    transform: none;
  }
  .nav > ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .nav > ul > li {
    border-bottom: 1px solid var(--line-soft);
  }
  .nav-link {
    display: flex;
    justify-content: space-between;
    padding: 16px 2px;
    font-size: 16px;
  }
  .nav-link::after {
    display: none;
  }
  .nav-link .chev {
    display: none;
  }
  .mega {
    display: none;
  }
  .nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(2, 5, 10, 0.7);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s, visibility 0.4s;
    z-index: 92;
  }
  .nav-backdrop.is-open {
    opacity: 1;
    visibility: visible;
  }
  .drawer-close {
    display: grid;
    place-items: center;
    position: absolute;
    top: 26px;
    right: 26px;
    width: 38px;
    height: 38px;
    border: 1px solid var(--line);
    color: var(--ink-2);
  }
  .drawer-close:hover {
    background: var(--cyan);
    color: #001018;
  }
  .drawer-head {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-bottom: 20px;
    margin-bottom: 10px;
    border-bottom: 1px solid var(--line-soft);
  }
  .drawer-head span {
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.24em;
    color: var(--dim);
  }
  .drawer-head b {
    font-size: 15px;
    letter-spacing: 0.06em;
    color: var(--ink);
    font-weight: 600;
  }
  .drawer-cta {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--line-soft);
  }
  .drawer-phone {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--muted);
  }
  .drawer-phone:hover {
    color: var(--cyan);
  }
  body.nav-open {
    overflow: hidden;
  }
  .header-actions .btn {
    display: none;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .hero-copy {
    max-width: 640px;
  }
  .hero-visual {
    width: min(560px, 92%);
    margin: 0 auto;
    aspect-ratio: 1.15 / 1;
  }
  .hero-title {
    font-size: clamp(48px, 10vw, 84px);
  }
  .hero-scroll {
    display: none;
  }
  .sol-layout {
    grid-template-columns: 1fr;
  }
  .sol-index {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    max-height: none;
    overflow: visible;
    margin-bottom: 32px;
    padding: 0;
  }
  .sol-index .grp {
    width: 100%;
    margin: 8px 0 0;
  }
  .sol-index a {
    border: 1px solid var(--line-soft);
    padding: 7px 12px;
    font-size: 12px;
  }
  .sol-index a i {
    display: none;
  }
  .sol-cols {
    grid-template-columns: 1fr;
  }
  .article-wrap {
    grid-template-columns: 1fr;
  }
  .article-aside {
    position: static;
  }
  .support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .about-intro {
    grid-template-columns: 1fr;
  }
  .home-about {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .home-about .about-visual {
    order: -1;
    min-height: 320px;
  }
  .about-visual {
    order: -1;
    min-height: 320px;
  }
  .case-card {
    grid-column: span 6;
  }
  .case-card.wide {
    grid-column: span 12;
  }
  .honor-strip {
    grid-template-columns: repeat(3, 1fr);
  }
  .foot-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .foot-brand {
    grid-column: span 2;
  }
}
@media (max-width: 860px) {
  .sec-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .sec-head .rail-nav {
    display: none;
  }
  .stats-band {
    grid-template-columns: 1fr 1fr;
  }
  .stat:nth-child(3),
  .stat:nth-child(4) {
    border-top: 1px solid var(--line-soft);
  }
  .news-featured {
    grid-template-columns: 1fr;
  }
  .news-card.featured {
    grid-column: auto;
  }
  .news-featured.news-home {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .news-home .news-card.featured,
  .news-home .news-card:not(.featured) {
    grid-column: auto;
    grid-row: auto;
  }
  .news-row {
    grid-template-columns: 52px minmax(0, 1fr) 26px;
    gap: 12px;
  }
  .news-row .date {
    display: none;
  }
  .product-layout {
    grid-template-columns: 1fr;
  }
  .cat-nav {
    position: static;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 8px;
    margin-bottom: 26px;
    scrollbar-width: none;
  }
  .cat-nav::-webkit-scrollbar {
    display: none;
  }
  .cat-nav h3 {
    display: none;
  }
  .cat-nav a {
    flex: none;
    border: 1px solid var(--line-soft);
    padding: 8px 14px;
    white-space: nowrap;
    font-size: 12.5px;
  }
  .cat-nav a .num {
    display: none;
  }
  .cat-nav a:hover,
  .cat-nav a.is-active {
    padding-left: 14px;
    border-color: var(--cyan);
  }
  .sol-cards {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .culture-grid {
    grid-template-columns: 1fr;
  }
  .honor-strip {
    grid-template-columns: 1fr 1fr;
  }
  .job-head {
    flex-wrap: wrap;
    gap: 12px;
  }
  .job-head .meta {
    width: 100%;
  }
  .job-head .pm {
    position: absolute;
    right: 4px;
  }
  .job {
    position: relative;
  }
  .doc-band {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (max-width: 640px) {
  .wrap {
    width: calc(100% - 36px);
  }
  .header-inner {
    height: 68px;
  }
  .brand-logo {
    height: 28px;
  }
  .foot-brand .brand-logo {
    height: 32px;
  }
  .hero {
    padding: 100px 0 70px;
    min-height: auto;
  }
  .hero-title {
    font-size: clamp(42px, 12vw, 64px);
  }
  .hero-en {
    letter-spacing: 0.2em;
    font-size: 9.5px;
  }
  .hero-desc {
    font-size: 14px;
  }
  .hero-cta .btn {
    flex: 1 1 100%;
  }
  .hero-stats {
    gap: 18px 24px;
    margin-top: 38px;
  }
  .hero-stat {
    flex: 1 1 calc(50% - 24px);
  }
  .hero-stat .num {
    font-size: 26px;
  }
  .hud-tag.t3,
  .hud-code {
    display: none;
  }
  .hud-tag {
    font-size: 8px;
  }
  .hud-tag::before {
    width: 14px;
  }
  .page-hero {
    padding: 120px 0 50px;
  }
  .page-hero h1 {
    font-size: clamp(36px, 10vw, 54px);
  }
  .page-hero-no {
    font-size: 110px;
    opacity: 0.7;
  }
  .product-grid {
    grid-template-columns: 1fr;
  }
  .p-media {
    height: 210px;
  }
  .filter-bar {
    gap: 8px;
  }
  .search-box {
    margin-left: 0;
    width: 100%;
    min-width: 0;
    flex: 1 1 100%;
  }
  .chip {
    font-size: 11.5px;
    padding: 7px 11px;
  }
  .req-grid {
    grid-template-columns: 1fr;
  }
  .sol-no {
    font-size: 30px;
  }
  .sol-head {
    gap: 14px;
  }
  .case-card,
  .case-card.wide {
    grid-column: span 12;
    min-height: 320px;
  }
  .case-metrics {
    gap: 20px;
  }
  .news-row {
    grid-template-columns: 40px minmax(0, 1fr) 20px;
    padding: 18px 2px;
  }
  .news-row .idx {
    font-size: 9px;
  }
  .support-grid {
    grid-template-columns: 1fr;
  }
  .partner-grid {
    grid-template-columns: 1fr;
  }
  .honor-strip {
    grid-template-columns: 1fr 1fr;
  }
  .news-card {
    min-height: 200px;
  }
  .news-card.featured {
    min-height: 260px;
  }
  .field-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .article-hero {
    padding: 110px 0 30px;
  }
  .article-hero h1 {
    font-size: 24px;
  }
  .article-nav {
    grid-template-columns: 1fr;
  }
  .article-nav .next {
    text-align: left;
  }
  .pd-grid {
    grid-template-columns: 1fr;
  }
  .pd-media {
    min-height: 240px;
    padding: 28px;
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }
  .pd-media img {
    max-height: 220px;
  }
  .product-dialog {
    max-height: 92vh;
    width: 94vw;
  }
  .foot-top {
    grid-template-columns: 1fr 1fr;
    gap: 26px;
  }
  .foot-brand {
    grid-column: span 2;
  }
  .foot-bottom {
    font-size: 8.5px;
    letter-spacing: 0.06em;
  }
  .to-top {
    right: 14px;
    bottom: 14px;
    width: 42px;
    height: 42px;
  }
  .faq-q {
    gap: 12px;
    padding: 18px 2px;
  }
  .faq-q .no {
    display: none;
  }
  .faq-a-inner {
    padding-left: 2px;
  }
}
@media (max-width: 360px) {
  .hero-stat {
    flex: 1 1 100%;
  }
  .foot-top {
    grid-template-columns: 1fr;
  }
  .foot-brand {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  .case-grid.half .case-card {
    grid-column: span 12;
  }
}
/* 可访问性 & 打印 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    clip-path: none !important;
  }
  .hero-product,
  .ring,
  .ticker-track {
    animation: none !important;
  }
}
@media print {
  .site-header,
  .to-top,
  .ticker,
  .fx,
  .noise-line,
  .cta-band,
  .site-footer {
    display: none;
  }
  body {
    background: #fff;
    color: #000;
  }
}