/* ==========================================================================
   XSL·Ye Robot — 小生来也机器人
   Design system: "Nameplate & Assembly Rail"
   --------------------------------------------------------------------------
   设计语言取自工业设备铭牌与工程图纸，而非通用 SaaS 营销页。
   规则：细线分割、等宽技术标签、角度切边、唯一暖色只给转化动作。
   ========================================================================== */

/* --- 1. Tokens ---------------------------------------------------------- */
:root {
  /* 色彩：品牌深蓝 + 传感器青 + 唯一暖色 */
  --ink: #070E1F;
  --ink-2: #0B1730;
  --ink-3: #12203C;
  --azurite: #0B3FA8;
  --azurite-lift: #1A56CC;
  --scan: #2FD3F5;
  --ember: #FF6A2B;
  --paper: #F4F6FA;
  --white: #FFFFFF;
  --steel: #56668A;
  --steel-2: #8B99B4;
  --line: #DDE3ED;
  --line-2: #E9EDF4;
  --line-dark: rgba(255, 255, 255, 0.15);
  --line-dark-2: rgba(255, 255, 255, 0.08);

  /* 字体 */
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-display: "Bahnschrift", "DIN Alternate", "Avenir Next Condensed",
    "PingFang SC", "Microsoft YaHei", var(--font-body);
  --font-mono: "Cascadia Mono", ui-monospace, SFMono-Regular, Consolas,
    "Liberation Mono", monospace;

  /* 字号阶 */
  --fs-display: clamp(2.4rem, 6.2vw, 4.5rem);
  --fs-h1: clamp(2rem, 4.6vw, 3.2rem);
  --fs-h2: clamp(1.6rem, 3.2vw, 2.35rem);
  --fs-h3: clamp(1.05rem, 1.6vw, 1.3rem);
  --fs-body: 1rem;
  --fs-sm: 0.9rem;
  --fs-label: 0.72rem;

  /* 间距节奏 */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
  --sp-9: 96px;
  --pad-section: clamp(56px, 8.5vw, 116px);
  --wrap: 1220px;

  --radius: 3px;
  /* 工业面板四角切边 */
  --chamfer: polygon(
    0 0,
    calc(100% - 11px) 0,
    100% 11px,
    100% 100%,
    11px 100%,
    0 calc(100% - 11px)
  );
  --shadow-panel: 0 1px 2px rgba(7, 14, 31, 0.06), 0 12px 32px rgba(7, 14, 31, 0.07);
}

/* --- 2. Reset ----------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
h1,
h2,
h3,
h4,
p,
ul,
ol,
figure,
blockquote {
  margin: 0;
}
ul,
ol {
  padding: 0;
  list-style: none;
}
button {
  font: inherit;
  color: inherit;
  border: 0;
  background: none;
  cursor: pointer;
}
:focus-visible {
  outline: 2px solid var(--scan);
  outline-offset: 3px;
}
::selection {
  background: var(--azurite);
  color: #fff;
}

/* --- 3. Layout primitives ---------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 40px);
}
.section {
  padding-block: var(--pad-section);
}
.section--tight {
  padding-block: clamp(40px, 5.5vw, 72px);
}
.section--dark {
  background: var(--ink);
  color: #fff;
}
.section--deep {
  background: var(--azurite);
  color: #fff;
}
.section--white {
  background: var(--white);
}
.grid {
  display: grid;
  gap: var(--sp-6);
}
@media (min-width: 860px) {
  .grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--sp-8);
  }
  .grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* --- 4. Type ----------------------------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--azurite);
  margin-bottom: var(--sp-5);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
  flex: none;
}
.section--dark .eyebrow,
.section--deep .eyebrow {
  color: var(--scan);
}
.display {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  line-height: 1.05;
  letter-spacing: -0.015em;
  font-weight: 700;
  text-wrap: balance;
}
.h2 {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  line-height: 1.16;
  letter-spacing: -0.01em;
  font-weight: 700;
  text-wrap: balance;
}
.h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -0.005em;
}
.lede {
  font-size: clamp(1rem, 1.35vw, 1.15rem);
  color: var(--steel);
  max-width: 62ch;
}
.section--dark .lede,
.section--deep .lede {
  color: rgba(255, 255, 255, 0.74);
}
.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.muted {
  color: var(--steel);
}
.section--dark .muted,
.section--deep .muted {
  color: var(--steel-2);
}
.accent {
  color: var(--scan);
}
.head-block {
  max-width: 74ch;
  margin-bottom: clamp(36px, 4.5vw, 60px);
}
.head-block .lede {
  margin-top: var(--sp-5);
}

/* --- 5. Header --------------------------------------------------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(7, 14, 31, 0.86);
  backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid var(--line-dark-2);
  color: #fff;
}
.topbar__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  min-height: 70px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  flex: none;
}
.brand__mark {
  width: 38px;
  height: 38px;
  flex: none;
}
.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand__text b {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.brand__text i {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--scan);
  margin-top: 3px;
}
.nav {
  display: none;
  margin-left: auto;
  align-items: center;
  gap: var(--sp-6);
}
.nav a {
  font-size: 0.94rem;
  color: rgba(255, 255, 255, 0.8);
  padding-block: 6px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav a:hover,
.nav a[aria-current="page"] {
  color: #fff;
  border-bottom-color: var(--scan);
}
.nav__lang {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.16em;
  color: var(--scan) !important;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 5px 10px !important;
}
.nav__lang:hover {
  background: rgba(47, 211, 245, 0.12);
  border-color: var(--scan) !important;
}
/* 四语言切换：分段控件。四个语言平铺，比下拉少一次点击，
   用等宽小字压缩宽度，避免与导航和 CTA 抢空间 */
.nav__langs {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
}
.nav__langs a {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.05em;
  line-height: 1.2;
  padding: 4px 6px;
  border-radius: 2px;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
  transition: background-color 0.18s, color 0.18s;
}
.nav__langs a:hover {
  color: #fff;
  background: rgba(47, 211, 245, 0.14);
}
.nav__langs a[aria-current="true"] {
  background: var(--scan);
  color: var(--ink);
  font-weight: 700;
}

/* 语言国旗：内联 SVG，绝不能换成 emoji。
   Windows 上的 Chrome 没有国旗 emoji 字体，🇨🇳 会退化成「CN」两个字母，
   正好毁掉「一眼认出」这件事。15×10.5 是识别度与导航宽度的平衡点。 */
.lang__flag {
  width: 15px;
  height: 10.5px;
  flex: none;
  display: block;
  border-radius: 1.5px;
  /* 浅色旗（俄罗斯白条、日本白底）在深色导航上需要一圈描边才不至于糊掉 */
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
}
.nav__langs a[aria-current="true"] .lang__flag {
  box-shadow: inset 0 0 0 1px rgba(7, 14, 31, 0.28);
}

/* ---------- RTL（阿拉伯语） ---------------------------------------------
   dir="rtl" 会让浏览器自动镜像文字方向与 flex 排列顺序，
   但物理属性（border-left / margin-left / translateX）不会跟着翻，
   所以下面逐条补正。只覆盖真正会破坏视觉的几处。 */
[dir="rtl"] .panel,
[dir="rtl"] .model {
  border-left: 0;
  border-right: 2px solid var(--line);
}
[dir="rtl"] .model:hover {
  border-right-color: var(--azurite);
}
/* 装饰性箭头在 RTL 下应指向左 */
[dir="rtl"] .btn__arw {
  transform: scaleX(-1);
}
/* 注意：.skip 是靠 left:-9999px 藏到屏幕外的，绝不能给 RTL 改成 right，
   否则它会出现在右上角并挡住品牌名。 */
/* 阿拉伯文字形比拉丁字母宽，主标题在 RTL 下容易吃掉三行以上，收一档字号 */
[dir="rtl"] .display {
  font-size: clamp(1.85rem, 4.3vw, 3.3rem);
}
/* 六语切换器在平板宽度会挤爆导航：这一档只留国旗（放大到 18px 保证可辨），
   进到移动端抽屉（<1000px）再恢复旗 + 文字。 */
@media (min-width: 1000px) and (max-width: 1240px) {
  .nav__langs a span {
    display: none;
  }
  .nav__langs a {
    padding: 4px 5px;
  }
  .lang__flag {
    width: 18px;
    height: 12.6px;
  }
}
/* 带 ::before 圆点的列表：缩进与圆点都必须换边，否则圆点会跑到文字右边外面 */
[dir="rtl"] .panel__list li {
  padding-left: 0;
  padding-right: 16px;
}
[dir="rtl"] .panel__list li::before {
  left: auto;
  right: 0;
}
/* 品牌墙用「上边框 + 左边框 + 各格右边框」拼网格，RTL 下整组换边 */
[dir="rtl"] .brandwall {
  border-left: 0;
  border-right: 1px solid var(--line);
}
/* 悬浮联系按钮固定在右下；RTL 下移到左下，避免压住从右往左读的正文 */
[dir="rtl"] .fab {
  right: auto;
  left: clamp(14px, 3vw, 26px);
}
/* 阿拉伯文不使用字距（会断开连写），等宽标签要收回 letter-spacing */
[dir="rtl"] .model__tag,
[dir="rtl"] .eyebrow,
[dir="rtl"] .spec__k,
[dir="rtl"] .nameplate__k {
  letter-spacing: 0;
}
/* 数字与拉丁品牌名在 RTL 段落里仍按 LTR 排列 */
[dir="rtl"] .nameplate__num,
[dir="rtl"] .brand__text i {
  direction: ltr;
  unicode-bidi: isolate;
}
/* 注意：这里必须比 .btn 的 display 更具体，否则「获取报价」在移动端不会隐藏 */
.topbar .topbar__cta {
  display: none;
}
.navtoggle {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 9px 12px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  color: #fff;
}
.navtoggle__bars {
  display: grid;
  gap: 3px;
}
.navtoggle__bars span {
  display: block;
  width: 15px;
  height: 1px;
  background: currentColor;
  transition: transform 0.22s, opacity 0.22s;
}
.navtoggle[aria-expanded="true"] .navtoggle__bars span:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}
.navtoggle[aria-expanded="true"] .navtoggle__bars span:nth-child(2) {
  opacity: 0;
}
.navtoggle[aria-expanded="true"] .navtoggle__bars span:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}
@media (min-width: 1000px) {
  .nav {
    display: flex;
  }
  .topbar .topbar__cta {
    display: inline-flex;
  }
  .navtoggle {
    display: none;
  }
}
/* 移动端抽屉 */
@media (max-width: 999px) {
  .nav {
    position: fixed;
    inset: 70px 0 auto;
    display: grid;
    gap: 0;
    margin: 0;
    padding: var(--sp-4) clamp(18px, 4vw, 40px) var(--sp-6);
    background: var(--ink-2);
    border-bottom: 1px solid var(--line-dark);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
    max-height: calc(100dvh - 70px);
    overflow: auto;
  }
  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav a {
    padding-block: var(--sp-4);
    border-bottom: 1px solid var(--line-dark-2);
    font-size: 1.05rem;
  }
  .nav a[aria-current="page"] {
    border-bottom-color: var(--line-dark-2);
    color: var(--scan);
  }
  .nav__lang {
    justify-self: start;
    margin-top: var(--sp-5);
  }
  .nav__langs {
    justify-self: start;
    margin-top: var(--sp-5);
  }
}

/* --- 6. Buttons -------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  padding: 14px 26px;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform 0.18s, background-color 0.2s, border-color 0.2s,
    color 0.2s, box-shadow 0.2s;
  text-align: center;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn__arw {
  font-family: var(--font-mono);
  font-size: 0.86em;
  transition: transform 0.2s;
}
.btn:hover .btn__arw {
  transform: translateX(3px);
}
.btn--ember {
  background: var(--ember);
  color: #fff;
  clip-path: var(--chamfer);
  border-radius: 0;
  padding: 15px 30px;
  box-shadow: 0 8px 22px rgba(255, 106, 43, 0.26);
}
.btn--ember:hover {
  background: #ff7f47;
}
.btn--solid {
  background: var(--azurite);
  color: #fff;
}
.btn--solid:hover {
  background: var(--azurite-lift);
}
.btn--ghost {
  border-color: var(--line-dark);
  color: #fff;
}
.btn--ghost:hover {
  border-color: var(--scan);
  color: var(--scan);
}
.btn--line {
  border-color: var(--line);
  color: var(--ink);
}
.btn--line:hover {
  border-color: var(--azurite);
  color: var(--azurite);
}
.btn--sm {
  padding: 10px 18px;
  font-size: 0.88rem;
}
.btn--block {
  width: 100%;
}
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}

/* --- 7. Hero ----------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
  padding-block: clamp(48px, 7vw, 92px) 0;
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(
      to right,
      var(--line-dark-2) 1px,
      transparent 1px
    ),
    linear-gradient(to bottom, var(--line-dark-2) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(120% 90% at 78% 12%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(
    120% 90% at 78% 12%,
    #000 0%,
    transparent 72%
  );
}
.hero__glow {
  position: absolute;
  top: -18%;
  right: -8%;
  width: 62vw;
  max-width: 880px;
  aspect-ratio: 1;
  pointer-events: none;
  background: radial-gradient(
    circle,
    rgba(47, 211, 245, 0.16) 0%,
    rgba(11, 63, 168, 0.14) 38%,
    transparent 68%
  );
}
.hero__inner {
  position: relative;
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
}
@media (min-width: 980px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }
}
.hero__title {
  margin-block: var(--sp-6) var(--sp-5);
}
.hero__title em {
  font-style: normal;
  color: var(--scan);
}
.hero .lede {
  max-width: 52ch;
}
.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-5);
  margin-top: var(--sp-7);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--line-dark-2);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
}
.hero__trust li {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.hero__trust li::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--scan);
  flex: none;
}
.hero__visual {
  position: relative;
  justify-self: center;
  width: min(100%, 460px);
}
.hero__visual svg {
  width: 100%;
  height: auto;
}
.scanline {
  animation: scan-sweep 5.6s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}
@keyframes scan-sweep {
  0%,
  12% {
    transform: translateY(0);
    opacity: 0;
  }
  22% {
    opacity: 1;
  }
  78% {
    opacity: 1;
  }
  88%,
  100% {
    transform: translateY(122px);
    opacity: 0;
  }
}

/* --- 8. Nameplate (KPI 铭牌条) ----------------------------------------- */
.nameplate {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  background: var(--ink-2);
  border-top: 1px solid var(--line-dark);
}
@media (min-width: 760px) {
  .nameplate {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.nameplate__item {
  padding: clamp(22px, 3vw, 34px) clamp(18px, 2.4vw, 30px);
  border-right: 1px solid var(--line-dark-2);
  border-bottom: 1px solid var(--line-dark-2);
  position: relative;
}
.nameplate__item:nth-child(2n) {
  border-right: 0;
}
@media (min-width: 760px) {
  .nameplate__item {
    border-bottom: 0;
  }
  .nameplate__item:nth-child(2n) {
    border-right: 1px solid var(--line-dark-2);
  }
  .nameplate__item:last-child {
    border-right: 0;
  }
}
.nameplate__num {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: #fff;
}
.nameplate__num sup {
  font-size: 0.44em;
  top: -0.9em;
  color: var(--scan);
}
.nameplate__k {
  display: block;
  margin-top: var(--sp-3);
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.66);
}

/* --- 9. Assembly rail (签名元素) --------------------------------------- */
.rail {
  position: relative;
  display: grid;
  gap: 0;
  margin-top: var(--sp-7);
}
.rail::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line);
}
.section--dark .rail::before,
.section--deep .rail::before {
  background: var(--line-dark);
}
.rail__step {
  position: relative;
  padding: 0 0 var(--sp-7) 46px;
}
.rail__step:last-child {
  padding-bottom: 0;
}
.rail__node {
  position: absolute;
  left: 0;
  top: 3px;
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.02em;
  color: var(--steel);
  transition: background-color 0.4s, border-color 0.4s, color 0.4s,
    box-shadow 0.4s;
  z-index: 1;
}
.section--dark .rail__node,
.section--deep .rail__node {
  background: var(--ink);
  border-color: var(--line-dark);
  color: rgba(255, 255, 255, 0.66);
}
.section--white .rail__node {
  background: var(--white);
}
.rail__step.is-live .rail__node {
  background: var(--azurite);
  border-color: var(--azurite);
  color: #fff;
  box-shadow: 0 0 0 5px rgba(11, 63, 168, 0.1);
}
.section--dark .rail__step.is-live .rail__node,
.section--deep .rail__step.is-live .rail__node {
  background: var(--scan);
  border-color: var(--scan);
  color: var(--ink);
  box-shadow: 0 0 0 5px rgba(47, 211, 245, 0.14);
}
.rail__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.3;
}
.rail__desc {
  margin-top: var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--steel);
  max-width: 44ch;
}
.section--dark .rail__desc,
.section--deep .rail__desc {
  color: rgba(255, 255, 255, 0.66);
}
.rail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}
.rail__tags li {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--steel);
}
.section--dark .rail__tags li,
.section--deep .rail__tags li {
  border-color: var(--line-dark);
  color: rgba(255, 255, 255, 0.7);
}
@media (min-width: 900px) {
  .rail {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--sp-6);
  }
  .rail::before {
    left: 6px;
    right: 6px;
    top: 13px;
    bottom: auto;
    width: auto;
    height: 1px;
  }
  .rail__step {
    padding: 56px 0 0;
  }
  .rail__step:last-child {
    padding-bottom: 0;
  }
  .rail__node {
    top: 0;
  }
}

/* --- 10. Product matrix (品类规格表) ----------------------------------- */
.matrix {
  border-top: 1px solid var(--line);
}
.matrix__row {
  display: grid;
  gap: var(--sp-2) var(--sp-6);
  align-items: baseline;
  padding-block: clamp(22px, 2.8vw, 30px);
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: background-color 0.22s;
}
.matrix__row::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--scan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.28s ease;
}
.matrix__row:hover::before,
.matrix__row:focus-within::before {
  transform: scaleY(1);
}
.matrix__row:hover {
  background: rgba(11, 63, 168, 0.028);
}
@media (min-width: 900px) {
  .matrix__row {
    grid-template-columns: 118px minmax(0, 1fr) minmax(0, 1.15fr) 152px;
    align-items: center;
  }
}
.matrix__code {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  color: var(--steel-2);
  text-transform: uppercase;
  white-space: nowrap;
}
.matrix__code b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.1;
}
.matrix__name {
  font-family: var(--font-display);
  font-size: clamp(1.12rem, 2vw, 1.42rem);
  font-weight: 700;
  letter-spacing: -0.005em;
  line-height: 1.25;
}
.matrix__name span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel-2);
  margin-top: 7px;
}
.matrix__desc {
  font-size: var(--fs-sm);
  color: var(--steel);
}
.matrix__desc .tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}
.matrix__desc .tags li {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  background: var(--line-2);
  border-radius: 2px;
  color: var(--steel);
}
.matrix__act {
  justify-self: start;
}
@media (min-width: 900px) {
  .matrix__act {
    justify-self: end;
  }
}
.matrix__act a {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--azurite);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.2s, color 0.2s;
}
.matrix__act a:hover {
  border-bottom-color: currentColor;
}

/* --- 10b. Model cards（具体型号列表） ----------------------------------
   品类页在「能做什么 / 适合放哪」之下再给出真实在售型号，
   让访客从「有这个品类」落到「有这个型号」。 */
.models {
  display: grid;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--line-2);
}
@media (min-width: 560px) {
  .models {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.model {
  display: grid;
  gap: 3px;
  padding: var(--sp-4);
  background: var(--paper);
  border-left: 2px solid var(--line);
  transition: border-color 0.2s, background-color 0.2s;
}
.model:hover {
  border-left-color: var(--azurite);
  background: var(--white);
}
.model__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.97rem;
  line-height: 1.3;
}
.model__tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--azurite);
}
.model__desc {
  font-size: 0.81rem;
  color: var(--steel);
  line-height: 1.6;
}

/* 咨询热线：只在需要醒目出现的页脚与联系页使用 */
.hotline {
  display: inline-flex;
  align-items: baseline;
  gap: var(--sp-2);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.01em;
}
.hotline b {
  font-family: var(--font-mono);
  font-size: 1.05em;
  letter-spacing: 0.04em;
  color: var(--scan);
}
.hotline--dark b {
  color: var(--azurite);
}

/* --- 扫码联系卡片（首页 hero 右下角） ----------------------------------
   用户要的是「右上角」，但导航栏已经被 6 个语言切换和报价按钮占满，
   硬塞会把两者挤掉。改为浮在 hero 右侧视觉的右下角：位置接近右上、
   不占常驻空间，且不打断正文阅读动线。 */
.qr-card {
  position: absolute;
  right: 0;
  /* 用 top 定位而不是 bottom：hero 高度随标题行数变化（法语/西语四行、俄语三行、
     中文两行），贴底定位在长标题语种里会被右下角的 WhatsApp / 报价悬浮按钮盖住。
     从 hero 顶部固定下移 120px，六种语言都不会碰到按钮。 */
  top: 120px;
  width: 176px;
  padding: 12px 12px 14px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.42);
  text-align: center;
  z-index: 3;
}
[dir="rtl"] .qr-card {
  right: auto;
  left: 0;
}
.qr-card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}
.qr-card__k {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--azurite);
  font-weight: 700;
}
.qr-card__name {
  margin-top: 3px;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.25;
}
.qr-card__meta {
  margin-top: 4px;
  font-size: 0.68rem;
  line-height: 1.5;
  color: var(--steel);
}
/* 三人切换：卡片空间有限，按钮只放单字/缩写，完整姓名与职位在下方显示 */
.qr-card__tabs {
  display: flex;
  gap: 3px;
  margin-bottom: 8px;
}
.qr-card__tabs button {
  flex: 1 1 0;
  min-width: 0;
  padding: 3px 1px;
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.04em;
  line-height: 1.2;
  color: var(--steel);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  transition: background-color 0.16s, color 0.16s, border-color 0.16s;
}
.qr-card__tabs button:hover {
  border-color: var(--azurite);
  color: var(--ink);
}
.qr-card__tabs button.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
@media (max-width: 1180px) {
  .qr-card__tabs button {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.22);
    color: rgba(255, 255, 255, 0.7);
  }
  .qr-card__tabs button.is-active {
    background: var(--scan);
    border-color: var(--scan);
    color: var(--ink);
  }
}
/* 窄屏：卡片从浮动改为正文流内的一块，深色底上换浅色描边 */
@media (max-width: 1180px) {
  .qr-card {
    position: static;
    width: 168px;
    margin: var(--sp-6) auto 0;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.22);
    box-shadow: none;
  }
  .qr-card img {
    width: 144px;
    margin: 0 auto;
  }
  .qr-card__name {
    color: #fff;
  }
  .qr-card__meta {
    color: rgba(255, 255, 255, 0.62);
  }
}

/* --- 付款方式区块（联系页） -------------------------------------------- */
.pay {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-6);
  align-items: flex-start;
  margin-top: var(--sp-4);
}
.pay__code {
  width: 200px;
  height: 200px;
  flex: none;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  padding: 6px;
}
.pay__body {
  flex: 1 1 240px;
  min-width: 0;
}
.pay__addr {
  display: block;
  margin-top: var(--sp-3);
  padding: 10px 12px;
  background: var(--paper);
  border-left: 2px solid var(--scan);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  word-break: break-all;
  color: var(--ink);
  direction: ltr;
  text-align: left;
}
[dir="rtl"] .pay__addr {
  border-left: 0;
  border-right: 2px solid var(--scan);
}
.pay__warn {
  margin-top: var(--sp-3);
  font-size: 0.76rem;
  line-height: 1.6;
  color: #B4462B;
}

/* --- 灵巧手专题媒体块 ---------------------------------------------------
   默认渲染 <img> 动图：无 JS 也能循环播放，Safari 与旧浏览器同样可用。
   点击后才注入 <video>，把 7MB 的完整演示留到有播放意图时再下载。 */
.media {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink);
  line-height: 0;
}
.media__loop,
.media__video {
  display: block;
  width: 100%;
  height: auto;
}
.media__play {
  position: absolute;
  left: var(--sp-4);
  bottom: var(--sp-4);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  line-height: 1;
  color: #fff;
  background: rgba(7, 14, 31, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: background-color 0.18s, color 0.18s, border-color 0.18s;
}
.media__play::before {
  content: "";
  width: 0;
  height: 0;
  border-left: 7px solid currentColor;
  border-top: 4.5px solid transparent;
  border-bottom: 4.5px solid transparent;
}
.media__play:hover {
  background: var(--scan);
  border-color: var(--scan);
  color: var(--ink);
}
.media__play:disabled {
  opacity: 0.65;
  cursor: default;
}
.media__play:disabled::before {
  display: none;
}
[dir="rtl"] .media__play {
  left: auto;
  right: var(--sp-4);
}

/* --- 微信入口与二维码浮层 -------------------------------------------- */
.fab__btn--wx .fab__dot {
  background: #07C160;
  box-shadow: 0 0 0 3px rgba(7, 193, 96, 0.22);
}

.wxlayer {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
  background: rgba(7, 14, 31, 0.78);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}
.wxlayer.is-open {
  opacity: 1;
  visibility: visible;
}
.wxlayer__box {
  position: relative;
  width: min(340px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--sp-7) var(--sp-6) var(--sp-6);
  background: var(--white);
  border-radius: var(--radius);
  text-align: center;
  transform: translateY(10px);
  transition: transform 0.2s;
}
.wxlayer.is-open .wxlayer__box {
  transform: translateY(0);
}
.wxlayer__close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  font-size: 22px;
  line-height: 1;
  color: var(--steel);
  cursor: pointer;
}
.wxlayer__close:hover {
  background: var(--paper);
  color: var(--ink);
}
.wxlayer__kicker {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: #07C160;
}
.wxlayer__title {
  margin-top: 4px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
}
.wxlayer__tabs {
  display: inline-flex;
  gap: 4px;
  margin: var(--sp-4) auto var(--sp-3);
  padding: 3px;
  background: var(--paper);
  border-radius: 999px;
}
.wxlayer__tabs button {
  border: 0;
  background: transparent;
  padding: 7px 14px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  color: var(--steel);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.18s, color 0.18s;
}
.wxlayer__tabs button[aria-selected="true"] {
  background: var(--ink);
  color: #fff;
}
.wxlayer__qr {
  display: block;
  width: 200px;
  height: 200px;
  margin: var(--sp-4) auto var(--sp-4);
  border-radius: 4px;
}
.wxlayer__who {
  margin-top: 2px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink);
}
.wxlayer__id {
  font-size: 0.8rem;
  color: var(--steel);
}
.wxlayer__id b {
  margin-inline-start: 4px;
  color: var(--ink);
  font-family: var(--font-mono);
}
.wxlayer__tip {
  margin-top: var(--sp-3);
  font-size: 0.74rem;
  line-height: 1.65;
  color: var(--steel-2);
}
[dir="rtl"] .wxlayer__close {
  right: auto;
  left: 8px;
}

/* --- 手机适配 --------------------------------------------------------
   窄屏上的三个实际问题：导航里六个语言项挤不下、参数表两列被压得太窄、
   视频播放按钮小于可点区域。 */
@media (max-width: 599px) {
  /* 语言切换只留国旗，避免"中/EN/RU/FR/AR/ES"撑爆导航 */
  .nav__langs a span { display: none; }
  .nav__langs a { padding: 7px 5px; }
  .lang__flag { width: 18px; height: 12.6px; }

  /* 参数表改为上下堆叠，关键词不再被挤成两行 */
  .spec__row { grid-template-columns: 1fr; gap: 2px; }
  .spec__k { font-size: 0.7rem; }

  /* 播放按钮放大到接近 44px 的触控目标 */
  .media__play { font-size: 0.64rem; padding: 10px 15px; min-height: 42px; }

  /* 大标题在 390px 宽度下不溢出 */
  .display { font-size: clamp(1.75rem, 8.4vw, 2.6rem); }

  /* 卡片内边距收紧，让两张并排的说明在小屏上读起来不费劲 */
  .panel { padding: var(--sp-5); }
}

/* 表单成功提示里的 WhatsApp 快捷入口 */
.form__status-wa {
  display: inline-block;
  margin-left: 6px;
  color: var(--azurite);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.form__status-wa:hover {
  color: var(--ink);
}
[dir="rtl"] .form__status-wa {
  margin-left: 0;
  margin-right: 6px;
}

/* --- 11. Panels & cards (克制：细线，非投影堆叠) ----------------------- */
.panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(22px, 2.8vw, 32px);
  transition: border-color 0.22s, box-shadow 0.22s, transform 0.22s;
}
.panel--hover:hover {
  border-color: var(--azurite);
  box-shadow: var(--shadow-panel);
  transform: translateY(-2px);
}
.panel__kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel-2);
}
.panel__title {
  margin-top: var(--sp-4);
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.32;
}
.panel__body {
  margin-top: var(--sp-3);
  font-size: var(--fs-sm);
  color: var(--steel);
}
.panel__list {
  margin-top: var(--sp-5);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--line-2);
  display: grid;
  gap: var(--sp-2);
}
.panel__list li {
  position: relative;
  padding-left: 16px;
  font-size: var(--fs-sm);
  color: var(--steel);
}
.panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background: var(--azurite);
}
.panel--dark {
  background: var(--ink-2);
  border-color: var(--line-dark);
  color: #fff;
}
.panel--dark .panel__body,
.panel--dark .panel__list li {
  color: rgba(255, 255, 255, 0.7);
}
.panel--dark .panel__list {
  border-top-color: var(--line-dark-2);
}
.panel--dark .panel__list li::before {
  background: var(--scan);
}
.panel--dark .panel__kicker {
  color: var(--scan);
}

/* --- 12. Spec list (hairline 规格表) ----------------------------------- */
.spec {
  border-top: 1px solid var(--line);
}
.section--dark .spec,
.section--deep .spec {
  border-top-color: var(--line-dark);
}
.spec__row {
  display: grid;
  gap: var(--sp-1) var(--sp-6);
  padding-block: var(--sp-5);
  border-bottom: 1px solid var(--line);
}
.section--dark .spec__row,
.section--deep .spec__row {
  border-bottom-color: var(--line-dark-2);
}
@media (min-width: 760px) {
  .spec__row {
    grid-template-columns: 230px minmax(0, 1fr);
    align-items: start;
  }
}
.spec__k {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
}
.spec__v {
  font-size: var(--fs-sm);
  color: var(--steel);
}
.section--dark .spec__v,
.section--deep .spec__v {
  color: rgba(255, 255, 255, 0.72);
}

/* --- 13. Brand wall ---------------------------------------------------- */
.brandwall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  background: var(--ink-2);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}
@media (min-width: 620px) {
  .brandwall {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
/* 9 个品牌（含京灵智康），3 列可整行排满 */
@media (min-width: 980px) {
  .brandwall {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.brandwall li {
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  min-height: 108px;
  display: grid;
  place-items: center;
  gap: 8px;
  padding: var(--sp-4);
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.92);
  transition: color 0.2s, background-color 0.2s;
}
.brandwall li img {
  max-height: 26px;
  width: auto;
  max-width: 132px;
  object-fit: contain;
}
.brandwall li span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 6px;
  text-transform: uppercase;
}
.brandwall li:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}
.brandwall__item--own {
  background: rgba(47, 211, 245, 0.09);
  box-shadow: inset 0 0 0 1px rgba(47, 211, 245, 0.45);
}
.brandwall__item--own b {
  color: var(--scan);
}
@media (max-width: 619px) {
  .brandwall__item--own {
    grid-column: 1 / -1;
  }
}

/* --- 14. Scene / solution blocks --------------------------------------- */
.scene {
  display: grid;
  gap: var(--sp-6);
  padding-block: clamp(30px, 4vw, 46px);
  border-bottom: 1px solid var(--line);
}
@media (min-width: 900px) {
  .scene {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: var(--sp-8);
    align-items: start;
  }
}
.scene__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  color: var(--steel-2);
}
.scene__title {
  margin-top: var(--sp-3);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 700;
  line-height: 1.2;
}
.scene__title span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel-2);
  margin-top: 8px;
}
.scene__body p {
  color: var(--steel);
  font-size: var(--fs-sm);
}
.scene__fit {
  margin-top: var(--sp-5);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--line-2);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}
.scene__fit li {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--steel);
}

/* --- 15. Steps / FAQ --------------------------------------------------- */
.faq {
  border-top: 1px solid var(--line);
}
.faq details {
  border-bottom: 1px solid var(--line);
}
.faq summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-5);
  padding-block: var(--sp-5);
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  list-style: none;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--azurite);
  flex: none;
  font-size: 1.15rem;
  line-height: 1;
  transition: transform 0.22s;
}
.faq details[open] summary::after {
  transform: rotate(45deg);
}
.faq p {
  padding-bottom: var(--sp-5);
  font-size: var(--fs-sm);
  color: var(--steel);
  max-width: 78ch;
}

/* --- 16. Forms --------------------------------------------------------- */
.form {
  display: grid;
  gap: var(--sp-5);
}
@media (min-width: 700px) {
  .form__2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    display: grid;
    gap: var(--sp-5);
  }
}
.field {
  display: grid;
  gap: var(--sp-2);
}
.field > label,
.fieldset__legend {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}
.field .req {
  color: var(--ember);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 14px;
  font: inherit;
  font-size: 0.96rem;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field textarea {
  min-height: 128px;
  resize: vertical;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--azurite);
  box-shadow: 0 0 0 3px rgba(11, 63, 168, 0.12);
}
.field__hint {
  font-size: 0.78rem;
  color: var(--steel-2);
}
.fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--sp-3);
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}
.chips label {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-size: 0.88rem;
  color: var(--steel);
  cursor: pointer;
  transition: border-color 0.18s, color 0.18s, background-color 0.18s;
}
.chips input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.chips label:hover {
  border-color: var(--azurite);
  color: var(--azurite);
}
.chips input:checked + span,
.chips label:has(input:checked) {
  border-color: var(--azurite);
  color: var(--azurite);
  background: rgba(11, 63, 168, 0.06);
}
.chips input:focus-visible ~ span {
  outline: 2px solid var(--scan);
  outline-offset: 2px;
}
.consent {
  display: flex;
  gap: var(--sp-3);
  align-items: flex-start;
  font-size: 0.8rem;
  color: var(--steel);
}
.consent input {
  margin-top: 5px;
  flex: none;
  accent-color: var(--azurite);
}
.form__status {
  font-size: var(--fs-sm);
  padding: var(--sp-4);
  border-radius: var(--radius);
  border: 1px solid transparent;
  display: none;
}
.form__status.is-error {
  display: block;
  border-color: #f0c2b3;
  background: #fdf1ec;
  color: #9c3d17;
}
.form__status.is-ok {
  display: block;
  border-color: #b6ddc9;
  background: #eef8f2;
  color: #1c6a45;
}

/* --- 17. Contact channels --------------------------------------------- */
/* 联系人卡片：一人一卡，渠道与号码分行对齐。
   号码来自实际对接口径，允许换行（break-all）以免长号码撑破卡片。 */
.contacts {
  display: grid;
  gap: var(--sp-5);
}
@media (min-width: 760px) {
  .contacts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.contact-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(20px, 2.6vw, 28px);
}
.contact-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--line);
}
.contact-card__name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.contact-card__role {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-2);
  text-align: right;
}
.contact-list {
  display: grid;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}
.contact-list li {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: var(--sp-3);
  align-items: baseline;
  font-size: 0.9rem;
}
.contact-list .k {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel-2);
  white-space: nowrap;
}
.contact-list .v {
  color: var(--ink);
  word-break: break-all;
}
.contact-list a {
  color: var(--azurite);
  word-break: break-all;
}
.contact-list a:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.channels {
  display: grid;
  gap: var(--sp-3);
}
.channel {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-5);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.channel:hover {
  border-color: var(--azurite);
  transform: translateY(-1px);
  box-shadow: var(--shadow-panel);
}
.channel__ico {
  width: 38px;
  height: 38px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 2px;
  background: rgba(11, 63, 168, 0.07);
  color: var(--azurite);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
}
.channel--wx .channel__ico {
  background: rgba(7, 193, 96, 0.1);
  color: #0a8f4c;
}
.channel--wa .channel__ico {
  background: rgba(37, 211, 102, 0.12);
  color: #128c4a;
}
.channel__t {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
}
.channel__d {
  font-size: 0.8rem;
  color: var(--steel-2);
}
.channel__go {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--steel-2);
}

/* --- 18. Footer -------------------------------------------------------- */
.footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.72);
  padding-block: clamp(48px, 6vw, 76px) var(--sp-6);
  font-size: var(--fs-sm);
}
.footer__grid {
  display: grid;
  gap: var(--sp-7);
}
@media (min-width: 860px) {
  .footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
    gap: var(--sp-6);
  }
}
.footer h3 {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--scan);
  font-weight: 400;
  margin-bottom: var(--sp-5);
}
.footer a:hover {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.footer__links {
  display: grid;
  gap: var(--sp-3);
}
.footer__addr {
  display: grid;
  gap: var(--sp-3);
  font-style: normal;
}
.footer__addr li {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: var(--sp-3);
}
.footer__addr b {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-2);
  font-weight: 400;
  padding-top: 3px;
}
.footer__social {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}
.footer__social li {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 10px;
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  color: rgba(255, 255, 255, 0.72);
}
.footer__bar {
  margin-top: clamp(36px, 5vw, 56px);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--line-dark-2);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-5);
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--steel-2);
}
.footer__bar nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-5);
}

/* --- 19. Page hero (内页头图) ----------------------------------------- */
.phero {
  position: relative;
  background: var(--ink);
  color: #fff;
  padding-block: clamp(52px, 7vw, 88px) clamp(40px, 5vw, 64px);
  overflow: hidden;
}
.phero__rail {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel-2);
  margin-bottom: var(--sp-6);
}
.phero__rail a:hover {
  color: #fff;
}
.phero__rail span[aria-hidden] {
  color: var(--line-dark);
}
.phero .h2,
.phero .display {
  position: relative;
  z-index: 1;
}
.phero .lede {
  position: relative;
  z-index: 1;
  margin-top: var(--sp-5);
}

/* --- 20. CTA band ----------------------------------------------------- */
.ctaband {
  background: var(--azurite);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.ctaband__inner {
  display: grid;
  gap: var(--sp-6);
  align-items: center;
  position: relative;
  z-index: 1;
  padding-block: clamp(44px, 5.5vw, 72px);
}
@media (min-width: 900px) {
  .ctaband__inner {
    grid-template-columns: minmax(0, 1.4fr) auto;
  }
}
.ctaband .h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
}
.ctaband p {
  margin-top: var(--sp-4);
  color: rgba(255, 255, 255, 0.82);
  max-width: 60ch;
  font-size: var(--fs-sm);
}

/* --- 21. Floating contact + mobile dock ------------------------------- */
.fab {
  position: fixed;
  right: clamp(14px, 3vw, 26px);
  bottom: clamp(84px, 12vw, 30px);
  z-index: 70;
  display: grid;
  gap: var(--sp-3);
  justify-items: end;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
/* 向下滚动阅读时收起：固定悬浮按钮会压住右下角正文，长段落页面尤其明显 */
.fab.is-tucked {
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
}
@media (min-width: 860px) {
  .fab {
    bottom: 26px;
  }
}
.fab__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 12px 16px;
  background: var(--ink);
  color: #fff;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  font-size: 0.86rem;
  box-shadow: 0 10px 26px rgba(7, 14, 31, 0.24);
  transition: transform 0.2s, background-color 0.2s, border-color 0.2s;
}
.fab__btn:hover {
  transform: translateY(-2px);
  background: var(--ink-2);
  border-color: var(--scan);
}
.fab__btn--wa .fab__dot {
  background: #25d366;
}
.fab__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--scan);
  flex: none;
  box-shadow: 0 0 0 3px rgba(47, 211, 245, 0.18);
}
.fab__label {
  white-space: nowrap;
}
@media (max-width: 620px) {
  .fab__label {
    display: none;
  }
  .fab__btn {
    padding: 13px;
  }
}
.dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 75;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: rgba(7, 14, 31, 0.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line-dark);
  padding-bottom: env(safe-area-inset-bottom, 0);
}
@media (min-width: 860px) {
  .dock {
    display: none;
  }
}
.dock a {
  display: grid;
  place-items: center;
  gap: 3px;
  padding: 11px 6px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.7rem;
  text-align: center;
}
.dock a:active {
  background: rgba(255, 255, 255, 0.06);
}
.dock a.dock--primary {
  background: var(--ember);
  color: #fff;
  font-weight: 700;
}
@media (max-width: 859px) {
  body {
    padding-bottom: 62px;
  }
}

/* --- 22. Consent banner ---------------------------------------------- */
.consent-bar {
  position: fixed;
  left: clamp(12px, 3vw, 24px);
  right: clamp(12px, 3vw, 24px);
  bottom: clamp(74px, 10vw, 24px);
  z-index: 90;
  max-width: 720px;
  margin-inline: auto;
  background: var(--ink-2);
  color: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: var(--sp-5);
  box-shadow: 0 18px 44px rgba(7, 14, 31, 0.34);
  display: none;
  gap: var(--sp-4);
}
@media (min-width: 860px) {
  .consent-bar {
    bottom: 24px;
  }
}
.consent-bar.is-open {
  display: grid;
}
.consent-bar p {
  font-size: 0.84rem;
}
.consent-bar a {
  color: var(--scan);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.consent-bar__row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}
.consent-bar__row .btn {
  padding: 10px 18px;
  font-size: 0.86rem;
}

/* --- 23. Utilities --------------------------------------------------- */
.center {
  text-align: center;
}
.center .lede {
  margin-inline: auto;
}
.stack-sm > * + * {
  margin-top: var(--sp-4);
}
.mt-6 {
  margin-top: var(--sp-6);
}
.mt-7 {
  margin-top: var(--sp-7);
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}
/* 表单蜜罐字段：同样不能用 left:-9999px —— RTL 页面（dir="rtl"）下
   离屏绝对定位会让整个文档的绘制层失效，表现为整页白屏。 */
.hp-field {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.skip {
  position: absolute;
  left: 8px;
  top: 8px;
  z-index: 200;
  background: var(--scan);
  color: var(--ink);
  padding: 10px 16px;
  font-weight: 700;
  /* 不要再用 left:-9999px 把它推离画布：RTL 页面（dir="rtl"）下
     「绝对定位 + 超大负向偏移 + body{overflow-x:hidden}」会让整个文档的
     绘制层失效，表现为阿拉伯语整页白屏。改用位移百分比隐藏，方向中立。 */
  transform: translateY(-200%);
  transition: transform 0.18s ease;
}
.skip:focus {
  transform: none;
}

/* --- 24. Reveal on scroll ------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: opacity, transform;
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}
.no-js .reveal {
  opacity: 1;
  transform: none;
}

/* --- 25. Reduced motion --------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .scanline {
    opacity: 1;
    animation: none;
    transform: translateY(60px);
  }
}

/* --- 26. Print ------------------------------------------------------- */
@media print {
  .topbar,
  .fab,
  .dock,
  .consent-bar,
  .ctaband {
    display: none !important;
  }
}

/* --- 27. Expo announcement bar --------------------------------------- */
.expo-bar {
  background: var(--azurite);
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}
.expo-bar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2) var(--sp-4);
  padding-block: 9px;
  font-size: 0.82rem;
  line-height: 1.5;
  text-align: center;
}
.expo-bar b {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 2px 8px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  white-space: nowrap;
}
.expo-bar a {
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
}
.expo-bar a:hover {
  color: var(--scan);
}
@media print {
  .expo-bar {
    display: none !important;
  }
}

/* --- 28. Expo poster hero (首页最顶部) -------------------------------- */
.poster {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: min(84vh, 780px);
  padding-block: clamp(32px, 4vw, 56px);
  background: var(--ink);
  color: #fff;
}
.poster__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1100px 520px at 82% 12%, rgba(47, 211, 245, 0.2), transparent 62%),
    radial-gradient(760px 460px at 8% 92%, rgba(11, 63, 168, 0.55), transparent 68%),
    linear-gradient(160deg, #070e1f 0%, #0b1730 58%, #070e1f 100%);
  pointer-events: none;
}
.poster__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(120% 90% at 50% 40%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 40%, #000 30%, transparent 78%);
  pointer-events: none;
}
.poster__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--sp-7);
  /* 三张首页海报统一「文案与右列图片顶端对齐」，避免各列垂直居中造成的错位 */
  align-items: start;
}
@media (min-width: 960px) {
  .poster__inner {
    grid-template-columns: 1.06fr 0.94fr;
    gap: clamp(32px, 5vw, 76px);
  }
}
.poster__kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3) var(--sp-4);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--scan);
}
.poster__kicker b {
  font-weight: 400;
  padding: 5px 11px;
  border: 1px solid rgba(47, 211, 245, 0.55);
  background: rgba(47, 211, 245, 0.08);
}
.poster__kicker span {
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 0.1em;
}
.poster__title {
  display: grid;
  gap: 8px;
  margin-top: var(--sp-5);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.01em;
}
.poster__title span:nth-child(1) {
  font-size: clamp(1.35rem, 2.8vw, 2.2rem);
  color: rgba(255, 255, 255, 0.92);
}
.poster__title span:nth-child(2) {
  font-size: clamp(1.08rem, 2.1vw, 1.6rem);
  color: var(--scan);
}
.poster__title span:nth-child(3) {
  font-size: clamp(0.86rem, 1.45vw, 1.05rem);
  color: rgba(255, 255, 255, 0.48);
  letter-spacing: 0.02em;
}
.poster__sub {
  display: grid;
  gap: 8px;
  margin-top: var(--sp-6);
  max-width: 64ch;
}
/* 俄语合作项目是主诉求：不依赖语言顺序，始终放大提亮 */
.poster__sub span[lang="ru"] {
  font-size: clamp(1.2rem, 2.35vw, 1.78rem);
  line-height: 1.34;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0;
}
.poster__sub span[lang="zh-CN"] {
  font-size: 1.02rem;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.86);
}
.poster__sub span[lang="en"] {
  font-size: 0.93rem;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.6);
}
.poster__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-5) clamp(28px, 5vw, 56px);
  margin-top: var(--sp-6);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--line-dark);
}
.poster__stats b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.8vw, 2.15rem);
  font-weight: 700;
  line-height: 1;
  color: #fff;
}
.poster__stats b em {
  font-style: normal;
  font-size: 0.55em;
  color: var(--scan);
}
.poster__stats i {
  display: block;
  margin-top: 7px;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel-2);
}
.poster__cta { margin-top: var(--sp-6); }
.poster__cta .btn {
  text-align: left;
  align-items: flex-start;
  gap: var(--sp-4);
  padding-block: 12px;
}
.poster__cta-lines {
  display: grid;
  gap: 2px;
  line-height: 1.28;
}
.poster__cta-lines span:nth-child(1) {
  font-size: 0.98rem;
  font-weight: 700;
}
.poster__cta-lines span:nth-child(2) {
  font-size: 0.82rem;
  opacity: 0.92;
}
.poster__cta-lines span:nth-child(3) {
  font-size: 0.74rem;
  opacity: 0.78;
}
.poster__cta .btn__arw {
  margin-top: 6px;
}
/* 2026 公益计划条（海报内，中/俄/英三语并排） */
.poster__aid {
  margin-top: var(--sp-4);
  padding: 12px var(--sp-4) 10px;
  border: 1px solid rgba(47, 211, 245, 0.28);
  border-inline-start: 3px solid var(--scan);
  background: rgba(47, 211, 245, 0.06);
  max-width: 62ch;
}
.poster__aid-k {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--scan);
}
.poster__aid-k span {
  opacity: 0.55;
}
.poster__aid-text {
  margin: 8px 0 0;
  line-height: 1.65;
}
/* 长文只显示当前页面语言（标题区仍保留三语并排）；否则三语同列会把海报撑高一倍 */
.poster__aid-k span,
.poster__aid-text span {
  display: none;
}
html[lang="zh-CN"] .poster__aid-k span[lang="zh-CN"],
html[lang="zh-CN"] .poster__aid-text span[lang="zh-CN"],
html[lang="en"] .poster__aid-k span[lang="en"],
html[lang="en"] .poster__aid-text span[lang="en"],
html[lang="ru"] .poster__aid-k span[lang="ru"],
html[lang="ru"] .poster__aid-text span[lang="ru"] {
  display: block;
}
.poster__aid-text span[lang="ru"] {
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.9);
}
.poster__aid-text span[lang="zh-CN"] {
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.8);
}
.poster__aid-text span[lang="en"] {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.62);
}
.poster__aid-text strong {
  color: #fff;
  font-weight: 700;
  background: linear-gradient(transparent 62%, rgba(255, 106, 43, 0.4) 62%);
  padding-inline: 2px;
}
.poster__aid-tel {
  margin: 10px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
}
.poster__aid-tel span {
  display: none;
}
.poster__aid-tel::before {
  content: "\260E";
  font-size: 0.95rem;
  color: var(--ember);
  margin-inline-end: 4px;
}
.poster__aid-tel a {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ember);
  text-decoration: none;
}
.poster__aid-tel a:hover {
  text-decoration: underline;
}
@media (max-width: 640px) {
  .poster__aid {
    padding: var(--sp-3) var(--sp-3) 10px;
  }
  .poster__aid-text span[lang="ru"] {
    font-size: 0.88rem;
  }
  .poster__aid-text span[lang="zh-CN"] {
    font-size: 0.84rem;
  }
  .poster__aid-text span[lang="en"] {
    font-size: 0.76rem;
  }
}
.poster__meta {
  margin-top: var(--sp-5);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel-2);
}
/* 海报底部两张联系卡横排（WhatsApp + 微信） */
.poster__contacts {
  display: flex;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: 10px;
  margin-top: 14px;
}
/* 两张联系卡等宽并排，占据整行，视觉最整齐 */
.poster__contacts .poster__wa,
.poster__contacts .poster__wx {
  flex: 1 1 0;
  min-width: 0;
  width: auto;
}
.poster__contacts .poster__wa,
.poster__contacts .poster__wx {
  margin-top: 0;
}
/* 海报内的微信二维码卡（三人可切换，与 WhatsApp 并排） */
.poster__wx {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 3px 8px;
  align-items: center;
  width: fit-content;
  margin-top: 0;
  padding: 6px 9px 6px 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line-dark);
  border-radius: 4px;
}
.poster__wx-tabs {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-bottom: 2px;
}
.poster__wx-tabs button {
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.72);
  background: transparent;
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  cursor: pointer;
  transition: background-color 0.18s, color 0.18s, border-color 0.18s;
}
.poster__wx-tabs button:hover {
  color: #fff;
  border-color: rgba(37, 211, 102, 0.6);
}
.poster__wx-tabs button.is-active {
  background: #25d366;
  border-color: #25d366;
  color: #06240f;
  font-weight: 700;
}
.poster__wx img {
  grid-row: 2 / span 2;
  width: 84px;
  height: 84px;
  flex: none;
  background: #fff;
  padding: 4px;
  border-radius: 2px;
}
.poster__wx-name {
  margin: 0;
  font-size: 0.74rem;
  font-weight: 600;
  color: #fff;
  align-self: end;
}
.poster__wx-meta {
  margin: 0;
  font-size: 0.56rem;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.55);
  align-self: start;
}
@media (max-width: 640px) {
  .poster__wx {
    width: 100%;
  }
  .poster__wx img {
    width: 84px;
    height: 84px;
  }
}
.poster__wa {
  display: flex;
  align-items: center;
  gap: 9px;
  width: fit-content;
  margin-top: 0;
  padding: 6px 9px 6px 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line-dark);
  border-radius: 4px;
}
.poster__wa-qr {
  display: block;
  flex: none;
}
.poster__wa img {
  width: 84px;
  height: 84px;
  flex: none;
  background: #fff;
  padding: 4px;
  border-radius: 2px;
}
.poster__wa-text {
  display: grid;
  gap: 3px;
}
.poster__wa-text b {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #25d366;
}
.poster__wa-text span {
  font-size: 0.8rem;
  color: #fff;
}
.poster__wa-text i {
  font-style: normal;
  font-size: 0.62rem;
  color: rgba(255, 255, 255, 0.55);
}
@media (max-width: 640px) {
  .poster__contacts {
    flex-wrap: wrap;
  }
  .poster__wa {
    width: 100%;
  }
  .poster__contacts {
    gap: 8px;
  }
  .poster__wa img {
    width: 72px;
    height: 72px;
  }
  .poster__wx img {
    width: 72px;
    height: 72px;
  }
  .poster__wx-meta {
    display: none;
  }
}
.poster__media {
  display: grid;
  gap: 14px;
}
.poster__figure {
  position: relative;
  margin: 0;
}
.poster__slides {
  aspect-ratio: 3 / 2;
}
.poster__slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.28s ease;
  border: 1px solid var(--line-dark);
  clip-path: var(--chamfer);
  pointer-events: none;
}
.poster__slide.is-active {
  opacity: 1;
}
.poster__slides figcaption {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.78);
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.7);
}
.poster__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.poster__tab {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.62);
  background: transparent;
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  padding: 7px 12px;
  cursor: pointer;
  transition: color 0.2s, background-color 0.2s, border-color 0.2s;
}
.poster__tab:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.42);
}
.poster__tab.is-active {
  background: var(--scan);
  border-color: var(--scan);
  color: var(--ink);
  font-weight: 600;
}
@media (max-width: 640px) {
  .poster__tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }
  .poster__tab {
    white-space: nowrap;
  }
}
.poster__figure::before {
  content: "";
  position: absolute;
  inset: -1px;
  border: 1px solid rgba(47, 211, 245, 0.28);
  clip-path: var(--chamfer);
  pointer-events: none;
}
.poster__figure figcaption {
  margin-top: var(--sp-3);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel-2);
}
.poster__scroll {
  position: absolute;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}
.poster__scroll:hover { color: var(--scan); }
@keyframes posterScan {
  0% { transform: translateY(0); opacity: 0; }
  8% { opacity: 0.9; }
  92% { opacity: 0.9; }
  100% { transform: translateY(430px); opacity: 0; }
}
@media (max-width: 959px) {
  .poster { min-height: 0; }
  .poster__figure { order: -1; }
  .poster__scroll { display: none; }
}
@media (max-width: 640px) {
  .poster__stats { gap: var(--sp-4) var(--sp-6); }
  .poster__cta .btn { width: 100%; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  .poster__scroll { transition: none; }
}
@media print {
  .poster { display: none !important; }
}

/* --- 29. Agri poster (农业机器人海报 / 首页第二张海报) ---------------- */
.poster--agri {
  min-height: min(68vh, 660px);
}
.poster--agri .poster__bg {
  background:
    radial-gradient(980px 480px at 16% 10%, rgba(47, 211, 245, 0.16), transparent 62%),
    radial-gradient(920px 540px at 86% 88%, rgba(38, 156, 92, 0.5), transparent 68%),
    linear-gradient(160deg, #070e1f 0%, #0a2018 58%, #070e1f 100%);
}
.poster--agri .poster__kicker b {
  color: #9df0b4;
  border-color: rgba(126, 231, 154, 0.55);
  background: rgba(126, 231, 154, 0.1);
}
.poster--agri .poster__kicker span {
  color: rgba(255, 255, 255, 0.66);
}
.poster--agri .poster__title span:nth-child(1) {
  font-size: clamp(1.55rem, 3.2vw, 2.5rem);
}
.poster--agri .poster__title span:nth-child(2) {
  font-size: clamp(1.12rem, 2.2vw, 1.7rem);
  color: #7ee79a;
}
.poster--agri .poster__stats b {
  font-size: clamp(1.02rem, 1.8vw, 1.34rem);
  letter-spacing: 0;
}
.poster--agri .poster__stats i {
  letter-spacing: 0.02em;
  text-transform: none;
  font-size: 0.7rem;
}
.poster--agri .poster__cta .btn {
  align-items: center;
}
.agri__figure {
  margin: 0;
}
.agri__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #0a2018;
  border: 1px solid var(--line-dark);
  clip-path: var(--chamfer);
}
@media (max-width: 959px) {
  .poster--agri {
    padding-block: clamp(28px, 6vw, 44px);
  }
  .agri__figure {
    max-width: min(100%, 440px);
    margin-inline: auto;
  }
}
@media (max-width: 640px) {
  .poster--agri .poster__stats b {
    font-size: 1rem;
  }
}
@media print {
  .poster--agri {
    display: none !important;
  }
}

/* --- 30. Top language bar (首页最顶端语言切换) ------------------------ */
.langbar {
  background: #050c18;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.76rem;
}
.langbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 4px var(--sp-4);
  padding-block: 5px;
}
.langbar__k {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
}
.langbar__langs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
}
.langbar__langs a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 8px;
  border: 1px solid transparent;
  border-radius: 2px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.74);
  text-decoration: none;
  transition: color 0.18s, background-color 0.18s, border-color 0.18s;
}
.langbar__langs a:hover {
  color: #fff;
  border-color: rgba(47, 211, 245, 0.45);
}
.langbar__langs a[aria-current="true"] {
  background: var(--scan);
  border-color: var(--scan);
  color: var(--ink);
  font-weight: 600;
}
.langbar .lang__flag {
  width: 18px;
  height: 12.6px;
  flex: none;
}
@media (max-width: 640px) {
  .langbar__k {
    display: none;
  }
  .langbar__langs a span {
    display: none;
  }
  .langbar__langs a {
    padding: 6px 7px;
  }
  .langbar .lang__flag {
    width: 20px;
    height: 14px;
  }
}
@media print {
  .langbar {
    display: none !important;
  }
}

/* --- 31. Video cards (灵巧手实拍演示) -------------------------------- */
.vidcard {
  margin: 0;
  display: grid;
  gap: 10px;
}
.vidcard__v {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border: 1px solid var(--line-dark);
  clip-path: var(--chamfer);
}
.vidcard__cap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel-2);
}
.vidcard__cap b {
  font-weight: 400;
  color: var(--scan);
}
/* 视频编号角标 + 标签行（首页与专题页共用） */
.vidcard__frame {
  position: relative;
  display: block;
}
.vidcard__no {
  position: absolute;
  inset-inline-start: 10px;
  inset-block-start: 8px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: #fff;
  background: rgba(7, 14, 31, 0.74);
  border: 1px solid rgba(47, 211, 245, 0.5);
  clip-path: var(--chamfer);
  pointer-events: none;
}
.vidcard__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.vidtag {
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.66);
  border: 1px solid var(--line-dark);
  border-radius: 2px;
}
.vidtag--main {
  color: var(--ink);
  background: var(--scan);
  border-color: var(--scan);
  font-weight: 600;
}

/* --- 32. Demo reel（演示视频：大屏 + 标签切换） ---------------------- */
.reel {
  display: grid;
  gap: 14px;
  max-width: 1080px;
}
.reel__stage {
  position: relative;
  aspect-ratio: 16 / 9;
  width: 100%;
  background: #05090f;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 4px;
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}
/* 封面多为白底素材：铺满 + 上下暗角，避免整块"贴白纸"的割裂感 */
.reel__stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(4, 8, 15, 0.22) 0%,
    rgba(4, 8, 15, 0) 26%,
    rgba(4, 8, 15, 0.06) 68%,
    rgba(4, 8, 15, 0.42) 100%
  );
}
/* 模糊背景层：把封面放大虚化铺满舞台，白底素材也能融进深色页面 */
.reel__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(22px) brightness(0.5) saturate(1.15);
  transform: scale(1.12);
  opacity: 0.9;
  pointer-events: none;
}
/* 未播放时用循环动图（约 450 KB）代替静止封面，3G 下也能看到动作 */
.reel__anim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 2;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.reel__stage.is-playing .reel__anim {
  opacity: 0;
}
.reel__video {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: transparent;
}
.reel__badge {
  position: absolute;
  inset-inline-start: 12px;
  inset-block-start: 10px;
  z-index: 3;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: #fff;
  background: rgba(4, 8, 15, 0.72);
  border: 1px solid rgba(47, 211, 245, 0.55);
  border-radius: 2px;
  pointer-events: none;
}
/* 中央播放键：未播放时显示，播放后淡出 */
.reel__play {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  width: 74px;
  height: 74px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  background: rgba(4, 8, 15, 0.5);
  color: #fff;
  cursor: pointer;
  backdrop-filter: blur(2px);
  transition: opacity 0.2s, transform 0.2s, background-color 0.2s;
}
.reel__play svg {
  width: 30px;
  height: 30px;
  margin-inline-start: 3px;
  fill: currentColor;
}
.reel__play:hover {
  background: rgba(47, 211, 245, 0.85);
  color: var(--ink);
  transform: translate(-50%, -50%) scale(1.06);
}
.reel__stage.is-playing .reel__play {
  opacity: 0;
  pointer-events: none;
}
.reel__q {
  position: absolute;
  inset-inline-end: 12px;
  inset-block-start: 10px;
  z-index: 3;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  color: #fff;
  background: rgba(4, 8, 15, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 2px;
  cursor: pointer;
  transition: color 0.18s, border-color 0.18s, background-color 0.18s;
}
.reel__q:hover {
  background: rgba(4, 8, 15, 0.92);
}
.reel__q[data-mode="low"] {
  color: var(--scan);
  border-color: rgba(47, 211, 245, 0.6);
}
.reel__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.reel__tab {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  min-height: 40px;
  padding: 9px 15px;
  font-size: 0.82rem;
  line-height: 1.2;
  color: rgba(255, 255, 255, 0.74);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  cursor: pointer;
  transition: color 0.18s, background-color 0.18s, border-color 0.18s;
}
.reel__tab:hover {
  color: #fff;
  background: rgba(47, 211, 245, 0.1);
  border-color: rgba(47, 211, 245, 0.55);
}
.reel__tab.is-active {
  color: var(--ink);
  background: var(--scan);
  border-color: var(--scan);
  font-weight: 600;
}
.reel__tab b {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  opacity: 0.85;
}
.reel__note {
  margin: 0;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
}
@media (max-width: 960px) {
  .reel__play {
    width: 62px;
    height: 62px;
  }
  .reel__play svg {
    width: 24px;
    height: 24px;
  }
  .reel__tab {
    padding: 8px 12px;
    font-size: 0.78rem;
  }
}
@media (max-width: 640px) {
  .reel__tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }
  .reel__tab {
    white-space: nowrap;
  }
  .reel__badge {
    font-size: 0.6rem;
    padding: 3px 8px;
  }
}
@media print {
  .reel {
    display: none !important;
  }
}

/* --- 33. Jinn 品牌区（阿拉伯语市场本地化） --------------------------- */
.jinn__head {
  max-width: 68ch;
}
.jinn__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--scan);
}
.jinn__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  line-height: 1.18;
  color: #fff;
}
.jinn__title em {
  font-style: normal;
  color: var(--scan);
}
.jinn__sub {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.5);
  direction: ltr;
  text-align: start;
}
.jinn__lede {
  margin: var(--sp-4) 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.74);
}
.jinn__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(228px, 1fr));
  gap: var(--sp-4);
  margin-top: var(--sp-7);
}
.jinn__card {
  position: relative;
  padding: var(--sp-5) var(--sp-4) var(--sp-4);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line-dark);
  border-radius: 4px;
}
.jinn__card::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: 34px;
  height: 2px;
  background: var(--scan);
}
.jinn__no {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  color: rgba(47, 211, 245, 0.75);
}
.jinn__card h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: #fff;
}
.jinn__card p {
  margin: 8px 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.62);
}
.jinn__aid {
  margin-top: var(--sp-7);
  padding: var(--sp-5);
  border: 1px solid rgba(37, 211, 102, 0.35);
  border-inline-start: 3px solid #25d366;
  background: rgba(37, 211, 102, 0.06);
  border-radius: 4px;
  max-width: 68ch;
}
.jinn__aid-k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: #7ee79a;
}
.jinn__aid-text {
  margin: 10px 0 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}
.jinn__aid-text strong {
  color: #fff;
  background: linear-gradient(transparent 62%, rgba(37, 211, 102, 0.35) 62%);
  padding-inline: 2px;
}
.jinn__aid-tel {
  margin: 12px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.6);
}
.jinn__aid-tel a {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ember);
  text-decoration: none;
  direction: ltr;
}
.jinn__aid-tel a:hover {
  text-decoration: underline;
}
.jinn__cta {
  margin-top: var(--sp-6);
}
.jinn__note {
  margin: var(--sp-5) 0 0;
  max-width: 68ch;
  font-size: 0.76rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.38);
}
/* 专题页顶部品牌条 */
.jinn--bar {
  padding-block: var(--sp-5);
  background: linear-gradient(180deg, rgba(37, 211, 102, 0.1), transparent 90%);
  border-block-end: 1px solid var(--line-dark);
}
.jinn__bar-inner {
  max-width: 72ch;
}
.jinn__bar-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  color: #fff;
}
.jinn__bar-title em {
  font-style: normal;
  color: var(--scan);
}
.jinn__bar-sub {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.45);
  direction: ltr;
  text-align: start;
}
.jinn__bar-text {
  margin: 10px 0 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.7);
}
@media (max-width: 640px) {
  .jinn__grid {
    grid-template-columns: 1fr;
  }
}
@media print {
  .jinn {
    display: none !important;
  }
}

/* --- 34. EULON exoskeleton poster（优龙游龙 2.0 外骨骼） -------------- */
.poster--eulon .poster__inner {
  align-items: start;
}
.poster--eulon .poster__media {
  align-self: start;
}
.poster--eulon .poster__bg {
  background:
    radial-gradient(980px 520px at 82% 8%, rgba(229, 62, 62, 0.28), transparent 62%),
    radial-gradient(840px 520px at 12% 92%, rgba(11, 63, 168, 0.5), transparent 66%),
    linear-gradient(160deg, #070e1f 0%, #150b12 58%, #070e1f 100%);
}
.poster--eulon .poster__kicker b {
  color: #ff8f8f;
  border-color: rgba(229, 62, 62, 0.55);
  background: rgba(229, 62, 62, 0.12);
}
.poster--eulon .poster__title span:nth-child(2) {
  color: #ffb3b3;
}
.eulon-specs {
  margin: var(--sp-5) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  max-width: 62ch;
}
.eulon-specs li {
  position: relative;
  padding-inline-start: 16px;
  font-size: 0.82rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.6);
}
.eulon-specs li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0.55em;
  width: 6px;
  height: 6px;
  background: #ff8f8f;
}
.eulon-media {
  display: grid;
  gap: 12px;
}
.eulon-hero {
  margin: 0;
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  overflow: hidden;
  background: #0b1020;
}
.eulon-hero img {
  display: block;
  width: 100%;
  aspect-ratio: 10 / 14;
  max-height: 540px;
  object-fit: cover;
  object-position: center 22%;
  background: #fff;
}
.eulon-clips {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.eulon-clip {
  margin: 0;
  display: grid;
  gap: 6px;
}
.eulon-clip video {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: center 40%;
  background: #000;
  border: 1px solid var(--line-dark);
  border-radius: 4px;
}
.eulon-clip figcaption {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel-2);
}
@media (max-width: 959px) {
  .eulon-hero img {
    aspect-ratio: 4 / 3;
    max-height: 420px;
    object-position: center 18%;
  }
  .eulon-clip video {
    height: 200px;
  }
}
@media print {
  .poster--eulon {
    display: none !important;
  }
}

/* --- 35. Spec table（专题页参数表） --------------------------------- */
.spectable-wrap {
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: #fff;
}
.spectable {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.spectable tr + tr {
  border-top: 1px solid var(--line);
}
.spectable th,
.spectable td {
  padding: 12px 16px;
  text-align: start;
  vertical-align: top;
  line-height: 1.55;
}
.spectable th {
  width: 40%;
  font-weight: 600;
  color: var(--ink);
  background: var(--paper);
  white-space: nowrap;
}
.spectable td {
  color: rgba(7, 14, 31, 0.78);
}
@media (max-width: 640px) {
  .spectable th,
  .spectable td {
    display: block;
    width: auto;
  }
  .spectable th {
    padding-bottom: 2px;
    border-bottom: 0;
  }
  .spectable td {
    padding-top: 0;
  }
  .spectable tr + tr {
    border-top: 1px solid var(--line);
  }
  .spectable th {
    white-space: normal;
  }
}
@media print {
  .spectable-wrap {
    box-shadow: none;
  }
}

/* --- 36. Aid bar（首页公益计划入口条） ------------------------------- */
.aidbar {
  background: linear-gradient(90deg, rgba(37, 211, 102, 0.16), rgba(7, 14, 31, 0.9) 62%, #070e1f);
  border-block: 1px solid rgba(37, 211, 102, 0.28);
  color: rgba(255, 255, 255, 0.9);
}
.aidbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px var(--sp-5);
  padding-block: var(--sp-4);
}
.aidbar__k {
  margin: 0;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #06240f;
  background: #25d366;
  border-radius: 2px;
  white-space: nowrap;
}
.aidbar__t {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: #fff;
}
.aidbar__d {
  margin: 0;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.6);
  flex: 1 1 220px;
}
.aidbar__acts {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin-inline-start: auto;
}
.aidbar__tel {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: #7ee79a;
  text-decoration: none;
  white-space: nowrap;
}
.aidbar__tel:hover {
  text-decoration: underline;
}
@media (max-width: 860px) {
  .aidbar__acts {
    margin-inline-start: 0;
    width: 100%;
    justify-content: space-between;
  }
  .aidbar__d {
    flex-basis: 100%;
  }
}
@media print {
  .aidbar {
    display: none !important;
  }
}

/* --- 37. Aid page（公益页） ------------------------------------------ */
.aid__tag {
  margin: var(--sp-4) 0 0;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  color: var(--scan);
}
.aid__note {
  margin: var(--sp-6) 0 0;
  max-width: 76ch;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--steel);
}

/* --- 38. ScoliMatrix poster（脊柱侧弯筛查与康复，英文站） ------------- */
.poster--scoli .poster__bg {
  background:
    radial-gradient(980px 520px at 84% 6%, rgba(0, 168, 168, 0.3), transparent 62%),
    radial-gradient(820px 520px at 10% 94%, rgba(11, 63, 168, 0.42), transparent 66%),
    linear-gradient(160deg, #05161a 0%, #07131f 58%, #070e1f 100%);
}
.poster--scoli .poster__kicker b {
  color: #6ee7e7;
  border-color: rgba(0, 168, 168, 0.6);
  background: rgba(0, 168, 168, 0.14);
}
.poster--scoli .poster__title span:nth-child(2) {
  color: #6ee7e7;
}
.poster--scoli .eulon-specs li::before {
  background: #6ee7e7;
}
.scoli-hero {
  position: relative;
  border-color: rgba(110, 231, 231, 0.3);
}
/* 产品图本身是浅底：加一层青色调暗角，让它在深色海报里不显得突兀 */
.scoli-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 22, 26, 0.05) 0%, rgba(5, 22, 26, 0) 38%, rgba(5, 22, 26, 0.3) 100%),
    radial-gradient(115% 95% at 50% 45%, transparent 55%, rgba(5, 22, 26, 0.22) 100%);
}
.scoli-hero img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 460px;
  object-fit: cover;
  object-position: center 58%;
}
.scoli-tags {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.scoli-tags li {
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(110, 231, 231, 0.28);
  border-radius: 2px;
  background: rgba(0, 168, 168, 0.08);
}
@media (max-width: 959px) {
  .scoli-hero img {
    max-height: 380px;
  }
}
@media print {
  .poster--scoli {
    display: none !important;
  }
}

/* 长都生物 · 生物3D打印（青绿系，对应海报配色） */
.poster--bio .poster__bg {
  background:
    radial-gradient(980px 500px at 18% 12%, rgba(53, 224, 200, 0.18), transparent 62%),
    radial-gradient(900px 520px at 86% 86%, rgba(28, 128, 158, 0.5), transparent 68%),
    linear-gradient(160deg, #04141d 0%, #07242e 58%, #04141d 100%);
}
.poster--bio .poster__kicker b {
  color: #7ef0dc; border-color: rgba(53, 224, 200, 0.55); background: rgba(53, 224, 200, 0.1);
}
.poster--bio .poster__kicker span { color: rgba(255, 255, 255, 0.66); }
/* 内容页：媒体图与联系方式区块 */
.media-figure { margin: 0 auto; max-width: 620px; text-align: center; }
.media-figure img { width: 100%; height: auto; border-radius: 14px; box-shadow: 0 18px 48px rgba(0,0,0,.28); }
.media-figure figcaption { margin-top: 14px; font-size: .88rem; color: var(--steel-2, #8fa3b8); letter-spacing: .01em; }

.bio-contact { display: grid; grid-template-columns: 1fr auto; gap: clamp(28px, 5vw, 64px); align-items: center; }
.bio-contact__name { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; margin: 6px 0 2px; }
.bio-contact__role { color: var(--steel-2, #8fa3b8); font-size: .95rem; margin: 0 0 14px; }
.bio-contact__phone { font-size: clamp(1.2rem, 2.4vw, 1.5rem); font-weight: 600; margin: 0 0 10px; }
.bio-contact__phone a { color: inherit; text-decoration: none; border-bottom: 2px solid rgba(53,224,200,.55); }
.bio-contact__phone a:hover { border-bottom-color: #35e0c8; }
.bio-contact__note { color: var(--steel-2, #8fa3b8); font-size: .92rem; margin: 0; }
.bio-contact__qr { margin: 0; text-align: center; }
.bio-contact__qr img { width: 190px; height: 190px; border-radius: 12px; background: #fff; padding: 8px; box-shadow: 0 10px 30px rgba(0,0,0,.18); }
.bio-contact__qr figcaption { margin-top: 10px; font-size: .82rem; color: var(--steel-2, #8fa3b8); }
@media (max-width: 760px) {
  .bio-contact { grid-template-columns: 1fr; text-align: center; }
  .bio-contact__qr img { width: 160px; height: 160px; }
}

/* 首页海报墙 */
.posterwall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: clamp(18px, 2.4vw, 28px);
  margin-top: clamp(22px, 3vw, 34px);
}
.posterwall__card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid rgba(11, 23, 48, .1); border-radius: 16px;
  overflow: hidden; text-decoration: none; color: inherit;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.posterwall__card:hover { transform: translateY(-4px); box-shadow: 0 18px 44px rgba(11, 23, 48, .16); border-color: rgba(180, 85, 31, .35); }
.posterwall__thumb { position: relative; aspect-ratio: 16 / 10; background: #0b1730; overflow: hidden; }
.posterwall__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.posterwall__thumb img[src*="bio-poster"] { object-fit: contain; background: #04141d; }
.posterwall__badge {
  position: absolute; top: 12px; left: 12px; padding: 3px 10px; border-radius: 99px;
  background: rgba(53, 224, 200, .94); color: #04141d;
  font-size: .7rem; font-weight: 800; letter-spacing: .06em;
}
.posterwall__body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 7px; flex: 1; }
.posterwall__cat { font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: #b4551f; font-weight: 700; }
.posterwall__title { font-size: 1.04rem; font-weight: 700; margin: 0; line-height: 1.4; }
.posterwall__desc { font-size: .87rem; color: #5d6b7a; margin: 0; line-height: 1.62; }
.posterwall__more { margin-top: auto; color: #b4551f; font-weight: 700; font-size: .9rem; }
@media (max-width: 560px) { .posterwall { grid-template-columns: 1fr; } }

/* 长都生物海报：与其它海报统一的两列布局，右列竖版图限高 */
.poster--bio .bio__figure { margin: 0; text-align: center; }
.poster--bio .bio__img {
  width: 100%; max-width: 400px; height: auto; max-height: 520px;
  object-fit: contain; border-radius: 14px;
  box-shadow: 0 22px 56px rgba(0, 0, 0, .45);
}
.poster--bio .poster__figure figcaption { margin-top: 12px; font-size: .8rem; color: rgba(255,255,255,.55); }

/* 目乐医疗海报（与其它海报统一两列布局，蓝青配色） */
.poster--mocular .poster__bg {
  background:
    radial-gradient(980px 500px at 20% 10%, rgba(64, 214, 255, 0.18), transparent 62%),
    radial-gradient(900px 520px at 86% 88%, rgba(20, 96, 140, 0.5), transparent 68%),
    linear-gradient(160deg, #04121f 0%, #072338 58%, #04121f 100%);
}
.poster--mocular .poster__kicker b {
  color: #8fdcff; border-color: rgba(64, 214, 255, 0.55); background: rgba(64, 214, 255, 0.1);
}
.poster--mocular .mocular__figure { margin: 0; text-align: center; }
.poster--mocular .mocular__img {
  width: 100%; max-width: 400px; height: auto; max-height: 520px;
  object-fit: contain; border-radius: 14px;
  box-shadow: 0 22px 56px rgba(0, 0, 0, .45);
}
/* 海报视频：有视频素材时替换右列静态图（poster_media.py 自动挂上） */
.poster__video {
  display: block; margin: 0 auto;
  width: 100%; max-width: 400px; max-height: 520px;
  object-fit: cover; border-radius: 14px;
  box-shadow: 0 22px 56px rgba(0, 0, 0, .45);
  background: #04121f;
}
@media (max-width: 760px) {
  .poster__video { max-width: 320px; max-height: 420px; }
}
/* 海报之间的金色分割线（除第一个海报外，每张海报顶部一条中间亮、两端淡的金线） */
.poster + .poster::before,
#poster-wall::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg,
      rgba(214, 188, 132, 0) 0%,
      rgba(214, 188, 132, .55) 14%,
      rgba(242, 220, 168, .95) 50%,
      rgba(214, 188, 132, .55) 86%,
      rgba(214, 188, 132, 0) 100%);
  box-shadow: 0 0 16px rgba(214, 188, 132, .45);
  pointer-events: none;
  z-index: 3;
}
/* 海报墙是浅色区块，金线换成稍微深一点的金，保证可见 */
#poster-wall { position: relative; }
#poster-wall::before {
  background: linear-gradient(90deg,
      rgba(176, 141, 74, 0) 0%,
      rgba(176, 141, 74, .6) 14%,
      rgba(198, 160, 88, .95) 50%,
      rgba(176, 141, 74, .6) 86%,
      rgba(176, 141, 74, 0) 100%);
  box-shadow: none;
}

/* 海报联系方式：纯文字版（无二维码，如 Forethought / Karena） */
.poster__contact--plain { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: start; max-width: 620px; }
.poster__contact-qrs { display: flex; gap: 10px; }
.poster__contact-qrs figure { margin: 0; text-align: center; }
.poster__contact-qrs img { width: 84px; height: 84px; display: block; border-radius: 8px; background: #fff; padding: 4px; }
.poster__contact-qrs figcaption { font-size: .64rem; color: rgba(255,255,255,.55); margin-top: 4px; }
@media (max-width: 760px) { .poster__contact--plain { grid-template-columns: 1fr; } }
.poster__contact--plain .poster__contact-body { min-width: 0; }
.poster__contact-tag {
  display: inline-block; margin-left: 6px; padding: 1px 8px; border-radius: 99px;
  font-size: .68rem; letter-spacing: .04em; font-weight: 600;
  color: rgba(255,255,255,.72); border: 1px solid rgba(255,255,255,.22);
}
.poster__contact-line { font-size: .82rem; margin: 0 0 3px; color: rgba(255,255,255,.66); }
.poster__contact-line a { color: #f2dca8; text-decoration: none; border-bottom: 1px solid rgba(242,220,168,.35); }
.poster__contact-line a:hover { border-bottom-color: #f2dca8; }
.poster__contact--plain .poster__contact-note { font-size: .74rem; line-height: 1.55; margin-top: 6px; }