/* ============================================================
   一加展示 One Plus Display — 中文官网静态模板
   设计系统：品牌蓝 #245DAB · 中性工业灰 · B2B 制造风
   ============================================================ */

:root {
  --brand: #245DAB;
  --brand-dark: #1B478A;
  --brand-deep: #12294E;
  --brand-soft: #EAF1FA;
  --ink: #101828;
  --text: #3D4757;
  --muted: #667085;
  --line: #E3E8F0;
  --bg: #F7F8FB;
  --bg-soft: #EEF1F7;
  --white: #FFFFFF;
  --warn: #9A5B13;
  --warn-bg: #FFF4E5;
  --warn-line: #F3D9A8;
  --radius: 2px;
  --radius-sm: 2px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .07);
  --shadow-md: 0 10px 28px rgba(16, 24, 40, .09);
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC",
    "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
  -webkit-user-drag: none;
  user-select: none;
}

a {
  color: var(--brand);
  text-decoration: none;
  -webkit-user-drag: none;
}

a:hover {
  color: var(--brand-dark);
}

h1, h2, h3, h4, h5 {
  color: var(--ink);
  line-height: 1.3;
  margin: 0 0 .6em;
  font-weight: 700;
}

p {
  margin: 0 0 1em;
}

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

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---------- 通用标记（待确认 / 待补充） ---------- */
.mark {
  display: inline-block;
  background: var(--warn-bg);
  color: var(--warn);
  border: 1px solid var(--warn-line);
  border-radius: 2px;
  padding: 1px 8px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
  white-space: nowrap;
}

.note-banner {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  border-radius: 2px;
  color: #7A4B0F;
  font-size: .95rem;
  line-height: 1.7;
  padding: 14px 18px;
  margin-bottom: 40px;
}

.note-banner b {
  color: #6B3F0A;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 2px;
  padding: 12px 24px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--white);
  background: var(--brand);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}

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

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

.btn {
  position: relative;
  overflow: hidden;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, .45);
  transform: scale(0);
  animation: btn-ripple .6s ease-out forwards;
  pointer-events: none;
}

.btn-outline .ripple,
.btn-light .ripple {
  background: rgba(16, 24, 40, .1);
}

@keyframes btn-ripple {
  to {
    transform: scale(1);
    opacity: 0;
  }
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 9px 16px;
  font-size: .9rem;
}

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

.btn-light:hover {
  background: #EAF1FA;
  color: var(--brand-deep);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, .4);
  color: var(--white);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .7);
  color: var(--white);
}

.btn-outline {
  background: var(--white);
  border-color: #C9D4E6;
  color: var(--ink);
}

.btn-outline:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: var(--white);
}

/* ---------- 顶部信息条 ---------- */
.topbar {
  background: var(--brand-deep);
  color: #A9BAD6;
  font-size: 12.5px;
  letter-spacing: .02em;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 36px;
  gap: 16px;
}

.topbar a {
  color: #C9D6EA;
}

.topbar a:hover {
  color: #fff;
}

.topbar .is-dim {
  opacity: .6;
  cursor: default;
}

/* ---------- 站点页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .98);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s ease, transform .3s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 6px 20px rgba(16, 24, 40, .08);
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
}

.logo img {
  height: 44px;
  width: auto;
}

.logo picture {
  display: inline-flex;
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav a {
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  padding: 9px 14px;
  border-radius: 2px;
  transition: color .15s ease, background .15s ease;
}

.nav a:hover {
  color: var(--brand);
  background: var(--brand-soft);
}

.nav a.active {
  color: var(--brand);
  font-weight: 600;
}

.nav .nav-cta-btn.active {
  color: #fff;
}

.nav .nav-cta-btn {
  margin-left: 10px;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 2px;
}

.nav .nav-cta-btn:hover {
  background: var(--brand-dark);
  color: #fff;
}

@media (max-width: 1120px) {
  .nav a {
    padding: 9px 10px;
    font-size: 14.5px;
  }

  .nav .nav-cta-btn {
    margin-left: 6px;
    padding: 10px 16px;
  }
}

/* ---------- 主导航下拉（产品中心） ---------- */
.nav-drop {
  position: relative;
}

/* 悬停衔接桥：鼠标从按钮移向菜单时不中断 */
.nav-drop::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 8px;
}

.nav-drop-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-drop-arrow {
  width: 11px;
  height: 11px;
  color: currentColor;
  transition: transform .18s ease;
}

.nav-drop:hover .nav-drop-arrow,
.nav-drop.open .nav-drop-arrow {
  transform: rotate(180deg);
}

.nav-drop-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 264px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  box-shadow: 0 18px 40px rgba(16, 24, 40, .14);
  padding: 10px;
  z-index: 130;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s;
}

.nav-drop:hover .nav-drop-menu,
.nav-drop:focus-within .nav-drop-menu,
.nav-drop.open .nav-drop-menu {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.nav-drop-label {
  display: block;
  padding: 4px 12px 6px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--muted);
}

.nav-drop-divider {
  display: block;
  height: 1px;
  background: var(--line);
  margin: 8px 6px;
}

.nav .nav-drop-menu a {
  display: block;
  padding: 11px 14px;
  border-radius: 2px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
}

.nav .nav-drop-menu a em {
  display: block;
  font-style: normal;
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
  margin-top: 3px;
  line-height: 1.4;
}

.nav .nav-drop-menu a:hover,
.nav .nav-drop-menu a.active {
  background: var(--brand-soft);
  color: var(--brand);
}

.nav .nav-drop-menu a:hover em,
.nav .nav-drop-menu a.active em {
  color: var(--brand);
  opacity: .85;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
}

.menu-toggle span:not(.sr-only) {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}

.site-header.open .menu-toggle span:not(.sr-only):nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.open .menu-toggle span:not(.sr-only):nth-child(2) {
  opacity: 0;
}

.site-header.open .menu-toggle span:not(.sr-only):nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative;
  background: var(--brand-deep);
  color: #E7EDF7;
  padding: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: 88vh;
  min-height: calc(100svh - 112px);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 480px at 88% -12%, rgba(36, 93, 171, .55), transparent 62%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .025) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .025) 0 1px, transparent 1px 72px);
}

.hero .container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  z-index: 1;
  opacity: 0;
  transition: opacity .7s ease;
  pointer-events: none;
  transform-origin: 50% 0;
  animation: hero-kenburns 12s ease-in-out infinite alternate;
}

.hero-bg.is-front {
  opacity: 1;
}

@keyframes hero-kenburns {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.04);
  }
}

.hero-video-slide {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0;
  visibility: hidden;
  transition: opacity .5s ease, visibility .5s;
  pointer-events: none;
}

.hero-video-slide.active {
  opacity: 1;
  visibility: visible;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-video-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(18, 41, 78, .35) 0%, rgba(18, 41, 78, .55) 48%, rgba(18, 41, 78, .75) 100%);
  pointer-events: none;
}

.hero.is-video-slide .hero-inner {
  grid-template-columns: 1fr;
}

.hero.is-video-slide .hero-media {
  display: none;
}

.hero.is-video-slide .hero-copy {
  max-width: 780px;
}

.hero .hero-copy {
  max-width: 760px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero-text-panel {
  display: none;
}

.hero-text-panel.active {
  display: block;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  color: #fff;
  background: rgba(13, 27, 54, .55);
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 2px;
  padding: 7px 16px;
  margin-bottom: 22px;
  text-shadow: 0 1px 2px rgba(8, 18, 38, .4);
}

.hero-eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6FA0E8;
}

.hero .hero-h1 {
  color: #fff;
  font-size: clamp(2.1rem, 4.3vw, 3.35rem);
  line-height: 1.22;
  letter-spacing: -.01em;
  max-width: 860px;
  margin: 0 0 20px;
  white-space: pre-line;
  text-shadow: 0 1px 3px rgba(8, 18, 38, .45), 0 3px 12px rgba(8, 18, 38, .35);
}

/* PC 空间足够时主标语单行显示，窄屏（移动端）保留逗号处换行 */
@media (min-width: 821px) {
  .hero .hero-h1 {
    white-space: normal;
  }
}

.hero .lead {
  font-size: 1.08rem;
  line-height: 1.8;
  color: #fff;
  max-width: 680px;
  margin-bottom: 0;
  text-shadow: 0 1px 2px rgba(8, 18, 38, .5), 0 2px 8px rgba(8, 18, 38, .3);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.hero-facts {
  margin-top: 22px;
  font-size: 13px;
  letter-spacing: .03em;
  color: #9FB0CD;
}

.chip {
  border: 1px solid rgba(255, 255, 255, .24);
  color: #D9E2F0;
  border-radius: 2px;
  padding: 7px 15px;
  font-size: 13px;
}

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

.hero-main-img {
  width: 100%;
  height: auto;
  border-radius: 0;
  border: 1px solid rgba(255, 255, 255, .16);
  box-shadow: 0 24px 60px rgba(5, 15, 35, .45);
}

.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--brand-deep);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.video-poster {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-play {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 78px;
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, .95);
  color: var(--brand-deep);
  border-radius: 50%;
  box-shadow: 0 12px 32px rgba(5, 15, 35, .35);
  transition: transform .2s ease, color .2s ease;
  z-index: 2;
}

.video-play:hover {
  transform: scale(1.08);
  color: var(--brand);
}

.video-play svg {
  margin-left: 3px;
}

/* 播放按钮波纹绽开 */
.video-play::before,
.video-play::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .85);
  animation: video-pulse 2.4s ease-out infinite;
}

.video-play::after {
  animation-delay: 1.2s;
}

@keyframes video-pulse {
  0% {
    transform: scale(1);
    opacity: .9;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

/* Hero 轮播箭头与圆点 */
.hero .splide__arrow {
  width: 40px;
  height: 40px;
  top: 50%;
  border-radius: 4px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .25);
  box-shadow: none;
  opacity: .8;
  transition: opacity .2s ease, background .2s ease, border-color .2s ease;
}

.hero .splide__arrow svg {
  fill: rgba(255, 255, 255, .75);
}

.hero .splide__arrow:hover {
  opacity: 1;
  background: rgba(255, 255, 255, .14);
  border-color: rgba(255, 255, 255, .45);
}

.hero .splide__arrow--prev {
  left: 18px;
}

.hero .splide__arrow--next {
  right: 18px;
}

.hero .splide__pagination {
  position: static;
  justify-content: flex-start;
  margin-top: 28px;
}

.hero .splide__pagination__page {
  width: 26px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, .45);
  opacity: 1;
  transform: none;
  margin: 0 4px;
}

.hero .splide__pagination__page.is-active {
  width: 36px;
  background: #fff;
  transform: none;
}

/* 首屏手动画廊 */
.hg-frame {
  position: relative;
  aspect-ratio: 3 / 2;
  background: var(--brand-deep);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 6px;
  box-shadow: 0 24px 60px rgba(5, 15, 35, .45);
  overflow: hidden;
}

.hg-slide {
  display: none;
}

.hg-slide.active {
  display: block;
}

.hg-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 首屏第 1 张：透明底产品主视觉，直接浮在 banner 场景上，不做裁切 */
.hero.is-product-slide .hg-frame {
  overflow: visible;
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

/* 仅第 1 张：主视觉先向上淡入，文案稍后错峰浮现 */
.hero.is-product-slide .hg-slide.active img {
  animation: hero-rise .4s cubic-bezier(.22, .61, .36, 1) both;
  animation-delay: .06s;
}

/* 背景压暗 + 去饱和，右侧文案区加深蓝渐变遮罩保证可读 */
.hero.is-product-slide .hero-bg.is-front {
  filter: brightness(.78) saturate(.88);
}

.hero.is-product-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(10, 24, 52, .08) 0%, rgba(10, 24, 52, .28) 34%, rgba(10, 24, 52, .62) 64%, rgba(10, 24, 52, .9) 100%),
    linear-gradient(0deg, rgba(10, 24, 52, .42) 0%, transparent 32%);
}

.hero.is-product-slide .hg-slide--product {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.hero.is-product-slide .hg-slide--product img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 165%;
  object-fit: contain;
  filter: drop-shadow(0 24px 44px rgba(4, 12, 30, .4));
}

/* 第 2 张：工厂车间全景背景较杂乱，整体弱化 + 文案侧深色渐变（背景保持清晰，不做模糊） */
.hero.is-factory-slide .hero-bg.is-front {
  filter: brightness(.68) saturate(.9);
}

.hero.is-factory-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(10, 24, 52, .45) 0%, rgba(10, 24, 52, .58) 42%, rgba(10, 24, 52, .92) 100%),
    linear-gradient(0deg, rgba(10, 24, 52, .45) 0%, transparent 46%);
}

.hg-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: rgba(13, 27, 54, .35);
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 4px;
  color: #fff;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: background .18s ease, border-color .18s ease;
}

.hg-arrow:hover {
  background: rgba(13, 27, 54, .6);
  border-color: rgba(255, 255, 255, .65);
}

.hg-controls {
  position: absolute;
  top: 50%;
  left: 24px;
  right: 24px;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 5;
  pointer-events: none;
}

.hg-controls .hg-arrow {
  pointer-events: auto;
}

.hg-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  z-index: 5;
}

.hg-dot {
  position: relative;
  overflow: hidden;
  width: 22px;
  height: 4px;
  padding: 0;
  border: 0;
  border-radius: 2px;
  background: rgba(255, 255, 255, .45);
  cursor: pointer;
  transition: width .18s ease, background .18s ease;
}

.hg-dot.active {
  width: 34px;
  background: #fff;
}

.hg-dot-fill {
  position: absolute;
  inset: 0;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left center;
}

.hg-dot.active .hg-dot-fill {
  animation: hg-progress 8.8s linear forwards;
}

.hg-dots.is-paused .hg-dot.active .hg-dot-fill {
  animation-play-state: paused;
}

@keyframes hg-progress {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

/* 视频播放按钮：右下角独立入口，点击后才加载并播放 */
.hg-video-btn {
  position: absolute;
  right: 24px;
  bottom: 20px;
  z-index: 5;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, .92);
  color: var(--brand);
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(8, 18, 38, .25);
  transition: transform .2s ease, background .2s ease;
}

.hg-video-btn:hover {
  transform: scale(1.06);
  background: #fff;
}

.hg-video-btn svg {
  width: 22px;
  height: 22px;
  margin-left: 2px;
}

/* 播放按钮波纹绽开（与「关于一加展示」视频按钮一致） */
.hg-video-btn::before,
.hg-video-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .8);
  animation: video-pulse 2.4s ease-out infinite;
  pointer-events: none;
}

.hg-video-btn::after {
  animation-delay: 1.2s;
}

/* Hero 内容浮上渐显：切换后文字轻微上浮浮现 */
.hero .hero-text-panel.active > * {
  animation: hero-rise .5s cubic-bezier(.22, .61, .36, 1) both;
}

.hero .hero-text-panel.active > *:nth-child(1) {
  animation-delay: .05s;
}

.hero .hero-text-panel.active > *:nth-child(2) {
  animation-delay: .12s;
}

.hero .hero-text-panel.active > *:nth-child(3) {
  animation-delay: .19s;
}

.hero .hero-text-panel.active > *:nth-child(4) {
  animation-delay: .26s;
}

.hero .hero-text-panel.active > *:nth-child(5) {
  animation-delay: .33s;
}

/* 第 1 张（产品主视觉）：图片完成后文案再错峰浮现 */
.hero.is-product-slide .hero-text-panel.active > *:nth-child(1) {
  animation-delay: .5s;
}

.hero.is-product-slide .hero-text-panel.active > *:nth-child(2) {
  animation-delay: .6s;
}

.hero.is-product-slide .hero-text-panel.active > *:nth-child(3) {
  animation-delay: .7s;
}

.hero.is-product-slide .hero-text-panel.active > *:nth-child(4) {
  animation-delay: .8s;
}

.hero.is-product-slide .hero-text-panel.active > *:nth-child(5) {
  animation-delay: .9s;
}

@keyframes hero-rise {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 通用段落 ---------- */
.section {
  padding: var(--space-section-y) 0;
}

.section--soft {
  background: var(--bg);
}

.section--dark {
  background: var(--brand-deep);
  color: #C6D3E8;
}

.section--dark .section-head h2,
.section--dark h2,
.section--dark h3 {
  color: #fff;
}

.section--dark .section-head .lead {
  color: #A8B8D4;
}

/* 首页定制能力：全屏工厂实拍背景 + 深色遮罩 */
#customization {
  position: relative;
  background: var(--brand-deep) url('../../images/sample-room.webp') center 30% / cover no-repeat;
  overflow: hidden;
}

#customization::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: rgba(13, 27, 54, .55);
  pointer-events: none;
}

#customization .container {
  position: relative;
  z-index: 1;
}

/* 首页合作流程：全屏样品间实拍背景 + 深色遮罩 */
#process {
  position: relative;
  background: var(--brand-deep) url('../../images/finished-goods-workshop.webp') center center / cover no-repeat;
  overflow: hidden;
}

#process::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: rgba(13, 27, 54, .78);
  pointer-events: none;
}

#process .container {
  position: relative;
  z-index: 1;
}

@media (min-width: 821px) {
  #customization {
    background-attachment: fixed;
  }

  #process {
    background-attachment: fixed;
  }
}

.section-head {
  max-width: 780px;
  margin-bottom: var(--space-head);
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--brand);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .1em;
}

.kicker::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--brand);
}

.section--dark .kicker {
  color: #8FB4EC;
}

.section--dark .kicker::before {
  background: #8FB4EC;
}

.section-head h2 {
  font-size: clamp(1.65rem, 3vw, 2.3rem);
  letter-spacing: -.01em;
  margin: 14px 0 14px;
}

.section-head .lead {
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.8;
  margin: 0;
}

.section-foot {
  margin-top: var(--space-foot);
  text-align: center;
}

/* ---------- 网格 ---------- */
.grid {
  display: grid;
  gap: var(--space-grid);
}

.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 产品中心 ---------- */
.product-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-card .product-img {
  display: block;
}

.product-card .product-img .img-ph {
  border-radius: 0;
}

.cat-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.cat-filter .chip {
  cursor: pointer;
  border-color: var(--line);
  color: var(--text);
  background: #fff;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}

.cat-filter .chip:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.cat-filter .chip.active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

/* 产品目录页：三行组合筛选 */
.filter-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.filter-row:last-of-type {
  border-bottom: 0;
}

.filter-label {
  flex: none;
  width: 52px;
  padding-top: 7px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}

.filter-chips .chip {
  cursor: pointer;
  border: 1px solid var(--line);
  color: var(--text);
  background: #fff;
  border-radius: 2px;
  padding: 7px 15px;
  font-size: 13px;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}

.filter-chips .chip:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.filter-chips .chip.active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.catalog-empty {
  display: none;
  text-align: center;
  padding: 40px 0;
  color: var(--muted);
}

.catalog-empty.show {
  display: block;
}

/* 产品目录分页 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.page-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 9px 16px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease;
}

.page-btn:hover:not(:disabled) {
  border-color: var(--brand);
  color: var(--brand);
}

.page-btn:disabled {
  opacity: .45;
  cursor: not-allowed;
}

.page-numbers {
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-num {
  min-width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}

.page-num:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.page-num.active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.page-status {
  display: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
}

/* 目录页筛选区与产品区留白 */
.catalog-filter-section {
  padding-top: 28px;
  padding-bottom: 40px;
}

#filter-material,
#filter-features,
#filter-structure,
#filter-industry {
  scroll-margin-top: 130px;
}

.catalog-list-section {
  padding-top: 44px;
}

/* ---------- 产品目录：左侧多级分类树 ---------- */
.catalog-layout-section {
  padding: 30px 0 64px;
  background: var(--bg);
}

.catalog-layout {
  display: grid;
  grid-template-columns: 278px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.catalog-sidebar {
  position: sticky;
  top: 118px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  max-height: calc(100vh - 140px);
  overflow-y: auto;
  /* 不锁定滚轮：菜单内滚到底/顶后继续滚动页面，菜单不高时直接滚页面 */
  scrollbar-width: thin;
}

.catalog-sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 16px 18px 12px;
  background: #12294E;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.catalog-sidebar-head h2 {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  font-size: 18px;
}

.catalog-sidebar-sub {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.catalog-sidebar-title a {
  display: block;
  color: #fff;
  transition: color .15s ease;
}

.catalog-sidebar-title a:hover,
.catalog-sidebar-title a.active {
  color: #B9D3F5;
}

.catalog-search-toggle {
  flex: none;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  border-color: rgba(255, 255, 255, .35);
  background: rgba(255, 255, 255, .1);
  color: #fff;
  cursor: pointer;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}

.catalog-search-toggle:hover,
.catalog-search-toggle[aria-expanded="true"] {
  color: #fff;
  border-color: rgba(255, 255, 255, .75);
  background: rgba(255, 255, 255, .2);
}

.catalog-sidebar-search {
  display: none;
}

.catalog-sidebar-search.open {
  display: block;
  padding: 10px 12px 12px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.catalog-sidebar-search form {
  display: flex;
  gap: 8px;
}

.catalog-sidebar-search input[type="search"] {
  flex: 1 1 auto;
  min-width: 0;
  height: 34px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.catalog-sidebar-search input[type="search"]:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(36, 93, 171, .12);
}

.catalog-sidebar-search button {
  flex: none;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 2px;
  background: var(--brand);
  color: #fff;
  cursor: pointer;
  transition: background .15s ease;
}

.catalog-sidebar-search button:hover {
  background: var(--brand-dark);
}

/* ---------- 产品标题搜索结果页 ---------- */
.search-hero-form {
  display: flex;
  gap: 10px;
  max-width: 640px;
  margin-top: 22px;
  padding: 8px;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(16, 24, 40, .16);
}

.search-hero-form input[type="search"] {
  flex: 1 1 auto;
  min-width: 0;
  height: 44px;
  padding: 0 6px 0 14px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 15px;
}

.search-hero-form input[type="search"]:focus {
  outline: none;
}

.search-hero-form input[type="search"]::placeholder {
  color: var(--muted);
}

.search-hero-form button {
  flex: none;
  height: 44px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 0;
  border-radius: 3px;
  background: var(--brand);
  color: #fff;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s ease;
}

.search-hero-form button:hover {
  background: var(--brand-dark);
}

/* 产品中心筛选页首屏：分类长描述 */
.page-hero p.lead.hero-lead-long {
  max-width: 1140px;
  font-size: .98rem;
  line-height: 1.95;
  color: #D5E0F0;
}

.cat-all-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 11px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  transition: color .15s ease, background .15s ease;
}

.cat-all-link:hover {
  color: var(--brand);
  background: var(--brand-soft);
}

.cat-all-link.active {
  color: var(--brand);
  background: var(--brand-soft);
  box-shadow: inset 3px 0 0 var(--brand);
}

.cat-group {
  border-bottom: 1px solid var(--line);
}

.cat-group:last-child {
  border-bottom: 0;
}

.cat-group-head {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 13px 18px;
  border: 0;
  background: none;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .04em;
  text-align: left;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}

.cat-group-head:hover {
  background: var(--brand-soft);
  color: var(--brand-dark);
}

.cat-group-head > svg {
  flex: none;
  transition: transform .2s ease;
  color: var(--brand);
}

.cat-group.open > .cat-group-head > svg {
  transform: rotate(180deg);
}


.cat-group-hint {
  margin-left: auto;
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .05em;
}

.cat-list {
  display: none;
  list-style: none;
  margin: 0;
  padding: 4px 0 10px;
}

.cat-group.open > .cat-list {
  display: block;
}

.cat-item {
  margin: 0;
}

.cat-row {
  display: flex;
  align-items: stretch;
}

.cat-link {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px 8px 26px;
  color: var(--text);
  font-weight: 500;
  font-size: 13.5px;
  line-height: 1.45;
  transition: color .15s ease, background .15s ease;
}

.cat-link:hover {
  color: var(--brand);
  background: var(--bg-soft);
}

.cat-link.active {
  color: var(--brand);
  background: var(--brand-soft);
  font-weight: 700;
}

.cat-link.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--brand);
}

/* 二级分类选中时，右侧展开三角跟随链接背景与颜色，视觉连成一块 */
.cat-link.active + .cat-toggle,
.cat-link:hover + .cat-toggle {
  color: var(--brand);
  background: var(--brand-soft);
}

.cat-link-text {
  flex: 1 1 auto;
  min-width: 0;
}

.cat-count {
  flex: none;
  min-width: 22px;
  padding: 0 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.8;
  text-align: center;
}

.cat-link.active .cat-count {
  color: var(--brand);
  border-color: #C4D8F4;
  background: #fff;
}

.cat-toggle {
  flex: none;
  width: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: none;
  color: var(--muted);
  cursor: pointer;
}

.cat-toggle:hover {
  color: var(--brand);
}

.cat-toggle svg {
  transition: transform .2s ease;
}

.cat-item.open > .cat-row .cat-toggle svg {
  transform: rotate(90deg);
}

.cat-item.open > .cat-list {
  display: block;
}

.cat-sub {
  padding: 2px 0 8px;
}

.cat-sub .cat-link {
  padding-left: 44px;
  font-size: 13px;
  font-weight: 400;
  color: #5B6B83;
}

.cat-sub .cat-count {
  min-width: 20px;
  padding: 0 5px;
}

.catalog-sidebar-note {
  margin: 0;
  padding: 10px 16px 12px;
  font-size: 11px;
  line-height: 1.65;
  color: var(--muted);
  background: var(--bg);
  border-top: 1px dashed var(--line);
}

.catalog-main {
  min-width: 0;
}

.catalog-result-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding-bottom: 12px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.catalog-result-head h2 {
  margin: 0;
  font-size: 1.3rem;
}

.catalog-result-note {
  margin: 0;
  font-size: .92rem;
  color: var(--muted);
}

.catalog-result-note strong {
  color: var(--ink);
  font-weight: 700;
}

.catalog-main .catalog-empty {
  padding: 46px 0;
}

@media (max-width: 1080px) {
  .catalog-layout {
    grid-template-columns: 246px minmax(0, 1fr);
    gap: 22px;
  }

  .catalog-sidebar {
    top: 112px;
  }
}

@media (max-width: 900px) {
  .catalog-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .catalog-sidebar {
    position: static;
    top: auto;
    max-height: none;
    overflow: visible;
  }

  .catalog-result-head {
    align-items: flex-start;
  }
}

@media (max-width: 620px) {
  .cat-group-hint {
    display: none;
  }

  .catalog-sidebar-head,
  .cat-all-link,
  .cat-group-head {
    padding-left: 14px;
    padding-right: 14px;
  }

  .cat-link {
    padding-left: 22px;
  }

  .cat-sub .cat-link {
    padding-left: 36px;
  }
}

/* 产品详情页首屏 */
.product-detail-main {
  padding-top: 36px;
}

.product-detail-main .breadcrumb {
  color: var(--muted);
  margin-bottom: 18px;
}

.product-detail-main .breadcrumb a {
  color: var(--text);
}

.product-detail-main .breadcrumb a:hover {
  color: var(--brand);
}

.product-title {
  font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  letter-spacing: -.01em;
  margin: 10px 0 10px;
}

.product-lead {
  color: var(--muted);
  font-size: .97rem;
  line-height: 1.75;
  max-width: 560px;
  margin: 0 0 6px;
}

/* 产品详情画廊 */
.dg-main {
  border: 1px solid var(--line);
  background: #fff;
}

.dg-slide {
  display: none;
}

.dg-slide.active {
  display: block;
}

.dg-slide img {
  width: 100%;
  height: auto;
  display: block;
}

.dg-slide a {
  display: block;
}

.dg-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 12px;
}

.dg-thumb {
  padding: 0;
  border: 2px solid var(--line);
  background: none;
  cursor: pointer;
  border-radius: 2px;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.dg-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.dg-thumb .img-ph {
  border-radius: 0;
  border-color: transparent;
}

.dg-thumb.active {
  border-color: var(--brand);
}

.form-product-name {
  font-size: .95rem;
  color: var(--text);
  margin-bottom: 16px;
}

.form-product-name b {
  color: var(--ink);
}

/* 结构浏览页 */
.structure-block {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 28px;
}

.structure-block h3 {
  font-size: 1.2rem;
  margin: 10px 0 10px;
}

.structure-block p {
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.75;
  margin: 0 0 14px;
}

.structure-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

/* ---------- 卡片 ---------- */
.card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 22px 22px;
}

.card h3 {
  font-size: 1.12rem;
  margin: 0;
}

.card h3 a {
  color: inherit;
  text-decoration: none;
  transition: color .15s ease;
}

.card h3 a:hover {
  color: var(--brand);
}

.card p {
  color: var(--muted);
  font-size: .94rem;
  line-height: 1.7;
  margin: 0;
  /* 卡片摘要最多两行，避免长摘要把列表版面撑开 */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-link {
  margin-top: auto;
  padding-top: 12px;
  color: var(--brand);
  font-weight: 600;
  font-size: .94rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.card-link:hover {
  color: var(--brand-dark);
}

.card-tag {
  align-self: flex-start;
  font-size: 12px;
  font-weight: 600;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: 2px;
  padding: 3px 10px;
  margin-bottom: 2px;
}

/* 深色页面页头内的类别小标签：半透明浅底 + 近白浅蓝文字，保证可读 */
.page-hero .card-tag {
  color: #DCE8F7;
  background: rgba(175, 195, 224, .14);
  border: 1px solid rgba(175, 195, 224, .35);
}

/* 整卡可点击（首页产品分类卡） */
.card--link {
  position: relative;
}

.card--link .card-link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 5;
}

/* ---------- 客户评价 ---------- */
.review-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 26px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.review-stars {
  color: #F6A821;
  font-size: 1.05rem;
  letter-spacing: 4px;
  line-height: 1;
}

.review-quote {
  flex: 1;
  margin: 0;
  color: var(--text);
  font-size: .98rem;
  line-height: 1.8;
}

.review-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.review-avatar {
  flex: none;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 700;
  font-size: 1rem;
}

.review-avatar svg {
  display: block;
  width: 22px;
  height: 22px;
}

/* 文章作者头像：占位组件去边框，图片完全填满圆形 */
.author-box .img-ph {
  border: 0;
}

.review-meta strong {
  display: block;
  color: var(--ink);
  font-size: .98rem;
  font-weight: 700;
}

.review-meta-text span {
  display: block;
  color: var(--muted);
  font-size: .85rem;
  line-height: 1.6;
  margin-top: 2px;
}

/* ---------- 占位图组件（ImagePlaceholder） ----------
   结构：<div class="img-ph" data-img="配置ID"></div>
   图片实际路径统一在 assets/js/images.js 中配置。
   将真实图片放入对应路径后，占位信息会被真实图片覆盖。 */
.img-ph {
  position: relative;
  width: 100%;
  aspect-ratio: var(--ratio, 4 / 3);
  background: #E7ECF4;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.img-ph::before {
  display: none;
}

.img-ph img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 2;
}

.img-ph a.glightbox {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: block;
  cursor: zoom-in;
}

.img-ph-info {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 18px;
  text-align: center;
}

.img-ph-id {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--brand);
  background: #fff;
  border: 1px solid var(--brand);
  border-radius: 2px;
  padding: 3px 11px;
}

.img-ph-size {
  font-family: var(--mono);
  font-size: 12px;
  color: #55617A;
}

.img-ph-purpose {
  font-size: 13.5px;
  font-weight: 600;
  color: #263350;
}

.img-ph-desc {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.6;
  max-width: 82%;
}

/* 小尺寸卡片内的占位图：隐藏描述，保留 ID 与尺寸 */
.img-ph--card .img-ph-desc {
  display: none;
}

.img-ph--card .img-ph-size {
  display: none;
}

/* ---------- 信任条 ---------- */
.trust-strip {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.trust-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 26px 0;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 13px;
}

.trust-item svg {
  flex: none;
  color: var(--brand);
}

.trust-icon-img {
  flex: none;
  width: 34px;
  height: 34px;
  display: block;
}

.trust-item b {
  display: block;
  font-size: 14.5px;
  color: var(--ink);
}

.trust-item span {
  font-size: 12.5px;
  color: var(--muted);
}

/* ---------- 首页企业信息内链条 ---------- */
.info-strip {
  gap: 20px;
}

.info-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  color: var(--text);
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.info-card:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  color: var(--text);
}

.info-card svg {
  color: var(--brand);
}

.info-card b {
  font-size: 1.05rem;
  color: var(--ink);
}

.info-card span {
  font-size: .88rem;
  color: var(--muted);
  line-height: 1.65;
}

.info-card .info-more {
  margin-top: 6px;
  color: var(--brand);
  font-weight: 600;
  font-size: .9rem;
}

/* ---------- 合作品牌墙（三行双向滚动） ---------- */
.brand-wall {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.brand-wall + .brand-wall {
  margin-top: 18px;
}

.brand-track {
  display: flex;
  width: max-content;
  animation: brand-scroll 30s linear infinite;
  will-change: transform;
}

.brand-track.rev {
  animation-direction: reverse;
  animation-duration: 34s;
}

.brand-track.slow {
  animation-duration: 38s;
}

.brand-group {
  display: flex;
  gap: 24px;
  padding-right: 24px;
}

.brand-tile {
  flex: none;
  width: 170px;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: #8A97B0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .05em;
  box-shadow: var(--shadow-sm);
}

.brand-tile img {
  width: auto;
  max-width: 132px;
  max-height: 48px;
  object-fit: contain;
}

@keyframes brand-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* ---------- 轮播（Splide）样式微调 ---------- */
#caseCarousel .splide__track,
#reviewCarousel .splide__track {
  padding: 26px 0 40px;
}

#caseCarousel .splide__slide,
#reviewCarousel .splide__slide {
  display: flex;
  padding: 0;
}

#caseCarousel .splide__slide > .card,
#reviewCarousel .splide__slide > .review-card {
  width: 100%;
  min-width: 0;
}

/* 打样验证配图轮播（深色板块） */
#prototypeCarousel .splide__track {
  padding: 4px 0 28px;
}

/* 打样验证板块：与定制服务首屏同款背景（图片 + 深蓝遮罩 + 视差） */
.proto-section {
  background-attachment: fixed;
}

@media (max-width: 820px) {
  .proto-section {
    background-attachment: scroll;
  }
}

#prototypeCarousel .splide__slide img {
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  display: block;
  border-radius: var(--radius);
}

#prototypeCarousel .splide__pagination__page {
  background: rgba(255, 255, 255, .35);
}

#prototypeCarousel .splide__pagination__page.is-active {
  background: #fff;
}

/* 首页工厂制造配图轮播：右列放大并与文案同高 */
#factory .split {
  align-items: stretch;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
}

#factory .split-media {
  display: flex;
}

#factory .splide {
  width: 100%;
  display: flex;
  flex-direction: column;
}

#factoryCarousel .splide__track {
  flex: 1;
  min-height: 0;
  padding: 4px 0 28px;
}

#factoryCarousel .splide__list,
#factoryCarousel .splide__slide {
  height: 100%;
}

#factoryCarousel .splide__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: var(--radius);
  box-shadow: 0 12px 28px rgba(16, 24, 40, .12);
}

#factoryCarousel:not(.is-initialized) .splide__list {
  display: block;
}

#factoryCarousel:not(.is-initialized) .splide__slide {
  margin-bottom: 14px;
}

#factoryCarousel:not(.is-initialized) .splide__slide img {
  aspect-ratio: 16 / 9;
  height: auto;
}

@media (max-width: 900px) {
  #factory .split {
    align-items: center;
    grid-template-columns: 1fr;
  }

  #factoryCarousel .splide__slide img {
    aspect-ratio: 16 / 9;
    height: auto;
  }
}

/* 纸展示架专题：配图小图轮播（创意设计 / 零售足迹 / 源头工厂） */
.paper-splide-carousel .splide__track {
  padding: 4px 0 28px;
}

.paper-splide-carousel .splide__slide img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border-radius: var(--radius);
  box-shadow: 0 12px 28px rgba(16, 24, 40, .12);
}

.paper-splide-carousel:not(.is-initialized) .splide__list {
  display: block;
}

.paper-splide-carousel:not(.is-initialized) .splide__slide {
  margin-bottom: 14px;
}

.splide__arrow {
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  opacity: 1;
}

.splide__arrow:hover {
  background: var(--brand-soft);
}

.splide__arrow svg {
  fill: var(--brand);
}

/* 首页两个内容轮播：箭头与「发展历程」统一为直角矩形 */
#caseCarousel .splide__arrow,
#reviewCarousel .splide__arrow {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  opacity: 1;
}

#caseCarousel .splide__arrow svg,
#reviewCarousel .splide__arrow svg {
  fill: var(--brand);
  width: 20px;
  height: 20px;
}

#caseCarousel .splide__arrow:hover,
#reviewCarousel .splide__arrow:hover {
  background: var(--brand);
  border-color: var(--brand);
}

#caseCarousel .splide__arrow:hover svg,
#reviewCarousel .splide__arrow:hover svg {
  fill: var(--white);
}

#caseCarousel .splide__arrow--prev,
#reviewCarousel .splide__arrow--prev {
  left: -12px;
}

#caseCarousel .splide__arrow--next,
#reviewCarousel .splide__arrow--next {
  right: -12px;
}

.splide__pagination__page.is-active {
  background: var(--brand);
}

.card .glightbox {
  display: block;
}

/* ---------- 灯箱统一风格（GLightbox） ---------- */
.glightbox-container .goverlay {
  background: #101828 !important;
  opacity: .8 !important;
}

.glightbox-container .gslide-description {
  position: static !important;
  padding: 14px 24px 26px !important;
  background: transparent !important;
  text-align: center;
}

.gdesc-inner {
  padding-bottom: 0 !important;
}

.glightbox-container .gslide-title {
  font-size: .95rem !important;
  font-weight: 600 !important;
  color: #E7EDF7 !important;
  margin: 0 !important;
}

.glightbox-container .gslide-desc {
  font-size: .82rem !important;
  color: rgba(231, 237, 247, .78) !important;
  margin-top: 4px !important;
}

/* 移动端灯箱：说明条恢复绝对定位并沉到底部（渐变遮罩），
   避免其占据整高把图片顶出屏幕，保证图片在视口内垂直居中 */
@media (max-width: 768px) {
  .glightbox-container .gslide-description {
    position: absolute !important;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-height: 42vh;
    overflow: auto;
    padding: 30px 20px 38px !important;
    background: linear-gradient(to top, rgba(16, 24, 40, .88) 0%, rgba(16, 24, 40, .62) 45%, rgba(16, 24, 40, 0) 100%) !important;
    text-align: center;
  }
}

/* 案例轮播初始化失败时的兜底：退化为三列网格 */
#caseCarousel:not(.is-initialized) .splide__list,
#reviewCarousel:not(.is-initialized) .splide__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

#prototypeCarousel:not(.is-initialized) .splide__list {
  display: block;
}

#prototypeCarousel:not(.is-initialized) .splide__slide {
  margin-bottom: 14px;
}

@media (max-width: 1080px) {
  #caseCarousel:not(.is-initialized) .splide__list,
  #reviewCarousel:not(.is-initialized) .splide__list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 680px) {
  #caseCarousel:not(.is-initialized) .splide__list,
  #reviewCarousel:not(.is-initialized) .splide__list {
    grid-template-columns: 1fr;
  }
}

/* ---------- 统计数字 ---------- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
}

.stat b {
  display: block;
  font-size: 1.75rem;
  color: var(--brand);
  letter-spacing: -.01em;
}

.stat b.is-pending {
  font-size: 1.05rem;
  color: var(--warn);
  font-weight: 700;
}

.stat span {
  font-size: .85rem;
  color: var(--muted);
}

.section--dark .stat {
  background: rgba(255, 255, 255, .05);
  border-color: rgba(255, 255, 255, .14);
}

.section--dark .stat b {
  color: #fff;
}

.section--dark .stat span {
  color: #A8B8D4;
}

/* ---------- 步骤流程 ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  counter-reset: step;
}

.step {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
}

.section--dark .step {
  background: #fff;
  border-color: transparent;
  box-shadow: 0 8px 24px rgba(5, 15, 35, .25);
}

.section--dark .step h4 {
  color: var(--ink);
}

.step-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(5, 15, 35, .22);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 44px rgba(5, 15, 35, .32);
  border-color: var(--brand);
}

.step-card .img-ph {
  margin: 0;
  border: 0;
}

.step-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 22px 24px;
}

.step-tag {
  align-self: flex-start;
  font-size: 12px;
  font-weight: 700;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: 2px;
  padding: 3px 10px;
}

.step-body h4 {
  font-size: 1.15rem;
  margin: 0;
}

.step-body p {
  flex: 1;
  margin: 0;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.75;
}

.step-link {
  margin-top: auto;
  padding-top: 10px;
  color: var(--brand);
  font-weight: 600;
  font-size: .92rem;
}

.step-num {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: var(--brand);
  color: #fff;
  border-radius: 2px;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 14px;
}

.step h4 {
  font-size: 1rem;
  margin: 0 0 6px;
}

.step p {
  font-size: .84rem;
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

.step .img-ph {
  margin-bottom: 16px;
}

.section--dark .step p {
  color: var(--muted);
}

/* 生产流程卡片：配图通栏置顶 */
.flow-step {
  gap: 14px;
}

.flow-step .step {
  padding: 0;
  overflow: hidden;
}

.flow-step .step .img-ph {
  margin: 0;
  border: 0;
  border-bottom: 1px solid var(--line);
}

.flow-step .flow-figure {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #E7ECF4;
  border-bottom: 1px solid var(--line);
  cursor: zoom-in;
}

.flow-step .flow-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .35s ease;
}

.flow-step .flow-figure:hover img {
  transform: scale(1.045);
}

.flow-step-title {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--brand-soft);
  border-top: 1px solid var(--line);
}

.flow-step-no {
  flex: none;
  min-width: 34px;
  height: 28px;
  padding: 0 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  border-radius: 2px;
}

.flow-step-title h4 {
  margin: 0;
  font-size: 1rem;
  color: var(--ink);
}

/* 工厂实景：卡片式照片墙 */
.factory-photo-card {
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.factory-photo-card:hover {
  border-color: var(--brand);
  box-shadow: 0 14px 30px rgba(16, 24, 40, .13);
}

.factory-photo-card .photo-link {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #E7ECF4;
  cursor: zoom-in;
}

.factory-photo-card .photo-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .35s ease;
}

.factory-photo-card:hover .photo-link img {
  transform: scale(1.045);
}

.factory-photo-card figcaption {
  margin: 0;
  padding: 12px 16px 13px;
  background: var(--brand-soft);
  border-top: 1px solid var(--line);
  color: var(--ink);
  font-size: .95rem;
  font-weight: 600;
  text-align: center;
  transition: color .2s ease;
}

.factory-photo-card:hover figcaption {
  color: var(--brand);
}

@media (max-width: 900px) {
  .grid.cols-3.factory-photo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .grid.cols-3.factory-photo-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- 行业图标卡 ---------- */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

#industries .container {
  max-width: 1360px;
}

.industry-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 0;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .18s ease, transform .18s ease;
}

.industry-item .img-ph {
  margin: 0;
  border: 0;
  border-radius: 2px 2px 0 0;
  border-bottom: 1px solid var(--line);
}

.industry-item .industry-title {
  padding: 18px 20px 0;
}

.industry-item > span {
  display: block;
  padding: 0 20px 20px;
}

@media (min-width: 1081px) {
  .industry-item .img-ph {
    height: 235px;
    aspect-ratio: auto;
  }
}

.industry-item:hover {
  border-color: var(--brand);
  transform: translateY(-3px);
}

.industry-item svg {
  color: var(--brand);
}

.industry-title {
  display: flex;
  align-items: center;
  gap: 9px;
}

.industry-item b {
  color: var(--ink);
  font-size: 15.5px;
}

.industry-item span {
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.6;
}

/* ---------- 分栏内容（制造能力等） ---------- */
.split {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: center;
}

.split.reverse .split-media {
  order: -1;
}

.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.check-list li {
  position: relative;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 7px 0;
  color: var(--text);
  font-size: .97rem;
  line-height: 1.7;
}

.check-list li::before {
  content: "";
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border-radius: 2px;
  background: var(--brand-soft);
  position: relative;
}

.check-list li::after {
  content: "✓";
  position: absolute;
  left: 3px;
  top: 11px;
  width: 18px;
  text-align: center;
  font-size: 11px;
  line-height: 18px;
  color: var(--brand);
}

.section--dark .check-list li {
  color: #E7EDF7;
}

.section--dark .check-list li::before {
  background: rgba(255, 255, 255, .14);
}

.section--dark .check-list li::after {
  color: #8FC0F2;
}

/* 打样验证：纯 CSS 工业网格 + 品牌光晕背景（无图片加载） */
.proto-section {
  position: relative;
  overflow: hidden;
}

.proto-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 420px at 88% -10%, rgba(36, 93, 171, .45), transparent 62%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .03) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .03) 0 1px, transparent 1px 72px);
}

.proto-section .container {
  position: relative;
  z-index: 1;
}

/* ---------- 垂直时间线（定制流程页） ---------- */
.timeline {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding-left: 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: #D9E2F0;
}

.tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding-bottom: 34px;
}

.tl-item:last-child {
  padding-bottom: 0;
}

.tl-num {
  position: relative;
  z-index: 1;
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  background: var(--brand);
  color: #fff;
  border-radius: 2px;
  font-weight: 800;
  font-size: 17px;
  box-shadow: 0 0 0 6px #fff;
}

.tl-body {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
}

.tl-media {
  flex: none;
  width: 280px;
}

.tl-media .img-ph {
  border-radius: 2px;
}

.tl-media a {
  display: block;
  cursor: zoom-in;
}

.tl-text {
  flex: 1;
  min-width: 0;
  padding: 4px 8px 4px 0;
}

.tl-step-tag {
  display: inline-flex;
  align-items: center;
  color: var(--brand);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .14em;
  margin-bottom: 8px;
}

.tl-text h3 {
  font-size: 1.22rem;
  margin: 0 0 10px;
}

.tl-text p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

@media (max-width: 820px) {
  .tl-body {
    flex-direction: column;
    gap: 12px;
  }

  .tl-media {
    width: 100%;
  }

  .tl-text {
    padding: 2px 4px 4px;
  }
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
}

.section--dark .faq-item {
  background: rgba(255, 255, 255, .05);
  border-color: rgba(255, 255, 255, .16);
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 18px 20px;
  background: transparent;
  border: 0;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.section--dark .faq-q {
  color: #fff;
}

.faq-icon {
  flex: none;
  position: relative;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--brand);
  font-size: 0;
  transition: transform .2s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 2px;
  background: currentColor;
  transform: translate(-50%, -50%);
}

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

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .28s ease;
}

.faq-a-inner {
  padding: 0 20px 20px;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.75;
}

/* ---------- 内页页头 ---------- */
.page-hero {
  background: var(--brand-deep);
  color: #E7EDF7;
  padding: 58px 0 56px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(760px 380px at 88% -18%, rgba(36, 93, 171, .5), transparent 62%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .025) 0 1px, transparent 1px 68px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .025) 0 1px, transparent 1px 68px);
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  font-size: 13px;
  color: #8FA5C8;
  margin-bottom: 16px;
}

.breadcrumb a {
  color: #AFC3E0;
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb .sep {
  margin: 0 8px;
  opacity: .6;
}

.page-hero h1 {
  color: #fff;
  font-size: clamp(1.8rem, 3.2vw, 2.55rem);
  letter-spacing: -.01em;
  margin: 0 0 14px;
}

.page-hero .lead {
  max-width: 720px;
  color: #C3D0E5;
  font-size: 1.05rem;
  line-height: 1.8;
  margin: 0;
}

/* ---------- 关于我们 · 全屏沉浸封面 ---------- */
.about-cover {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 92vh;
  min-height: calc(100svh - 112px);
  background: var(--brand-deep);
  background-image: url('../../images/corrugated-laminating-production-line.webp');
  background-size: cover;
  background-position: center 40%;
  color: #fff;
  overflow: hidden;
}

.about-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: rgba(10, 22, 44, .6);
}

.about-cover h1,
.about-cover .lead {
  text-shadow: 0 1px 3px rgba(8, 18, 38, .35);
}

.about-cover .container {
  position: relative;
  z-index: 2;
  padding-top: 72px;
  padding-bottom: 72px;
}

.about-cover h1 {
  color: #fff;
  font-size: clamp(2.2rem, 4.8vw, 3.6rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  max-width: 720px;
  margin: 0 0 18px;
}

.about-cover .lead {
  max-width: 640px;
  color: #C9D6EA;
  font-size: 1.06rem;
  line-height: 1.85;
  margin: 0;
}

.cover-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 32px;
}

/* ---------- 关于我们首屏拼贴 ---------- */
.about-cover-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 56px;
  align-items: center;
  width: 100%;
}

.about-cover-collage {
  width: min(100%, 560px);
  aspect-ratio: 1.412 / 1;
  justify-self: end;
  display: grid;
  grid-template-columns: 56.6% 41.2%;
  gap: 12px;
}

.collage-item {
  margin: 0;
  overflow: hidden;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, .16);
  box-shadow: 0 18px 40px rgba(8, 18, 38, .35);
  pointer-events: none;
}

.collage-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.collage-a {
  height: 100%;
  aspect-ratio: 4 / 5;
}

.collage-right {
  display: grid;
  grid-template-rows: auto auto;
  gap: 12px;
}

.collage-b { aspect-ratio: 1 / 1; }
.collage-c { aspect-ratio: 3 / 2; }

/* 拼贴图依次上浮淡入（transform / opacity，无性能负担） */
@keyframes collage-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.about-cover-collage .collage-item {
  opacity: 0;
  animation: collage-in .35s cubic-bezier(.22, .61, .36, 1) forwards;
}

.about-cover-collage .collage-b {
  animation-delay: .08s;
}

.about-cover-collage .collage-c {
  animation-delay: .16s;
}

@media (max-width: 900px) {
  .about-cover-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .about-cover-collage {
    height: auto;
    aspect-ratio: auto;
    width: 100%;
    max-width: 520px;
    justify-self: center;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }

  .collage-item {
    width: 100%;
  }

  .collage-a {
    height: auto;
  }

  .collage-right {
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
}

/* ---------- 关于我们 · 全屏沉浸章节 ---------- */
.fs-section {
  position: relative;
  display: block;
  min-height: 0;
  padding: clamp(3.5rem, 7vw, 5.8rem) 0;
  overflow: hidden;
}

.fs-section .container {
  position: relative;
  z-index: 2;
  width: 100%;
}

/* 01 公司简介 */
.fs-intro {
  background: var(--bg);
}

.fs-intro h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  letter-spacing: -.01em;
  margin: 14px 0 0;
}

.intro-head {
  max-width: 760px;
  margin-bottom: 40px;
}

/* 长文正文 + 右侧印证栏 */
.intro-layout {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: start;
}

.intro-prose p {
  font-size: 1.01rem;
  line-height: 1.95;
  color: var(--text);
  margin: 0 0 22px;
}

.intro-prose p:last-child {
  margin-bottom: 0;
}

.intro-prose .intro-lead {
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--ink);
}

.intro-sign {
  margin-top: 4px !important;
  padding: 2px 0 2px 18px;
  border-left: 3px solid var(--brand);
  font-weight: 600;
  color: var(--brand-dark) !important;
}

.intro-aside {
  position: sticky;
  top: 100px;
  display: grid;
  gap: 20px;
}

.intro-proof {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  padding: 20px 22px 18px;
}

.intro-proof-label {
  display: block;
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--muted);
  margin-bottom: 14px;
}

.intro-brand-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.intro-brand-row img {
  flex: 1 1 120px;
  max-width: calc((100% - 20px) / 3);
  height: 54px;
  object-fit: contain;
  padding: 8px 10px;
  background: var(--white);
  border: 1px solid var(--line);
  filter: grayscale(1);
  opacity: .85;
  transition: filter .2s ease, opacity .2s ease;
}

.intro-brand-row img:hover {
  filter: none;
  opacity: 1;
}

.intro-proof-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: .92rem;
  font-weight: 600;
}

.intro-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

/* 02 为什么选择一加展示 */
.fs-why {
  position: relative;
  overflow: hidden;
  background: var(--bg-soft);
}

.fs-why::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(760px 380px at 4% 0%, rgba(36, 93, 171, .07), transparent 62%),
    radial-gradient(700px 360px at 98% 100%, rgba(36, 93, 171, .05), transparent 60%),
    repeating-linear-gradient(90deg, rgba(18, 41, 78, .022) 0 1px, transparent 1px 92px);
}

.fs-why .container {
  position: relative;
  z-index: 1;
}

.fs-why .section-head {
  margin-bottom: 44px;
}

.why-grid {
  gap: 22px;
}

.why-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 26px 26px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.why-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--brand);
  transition: height .25s ease;
}

.why-card:hover {
  transform: translateY(-4px);
  border-color: #D3DEEC;
  box-shadow: var(--shadow-md);
}

.why-card:hover::before {
  height: 100%;
}

.why-num {
  align-self: flex-start;
  display: inline-block;
  padding: 3px 9px;
  background: var(--brand-soft);
  border-radius: 2px;
  color: var(--brand);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .1em;
}

.why-card h3 {
  font-size: 1.1rem;
  line-height: 1.45;
  margin: 14px 0 10px;
}

.why-card p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.8;
}

.why-tag {
  display: block;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  color: var(--brand-dark);
  font-size: .86rem;
  font-weight: 600;
}

.why-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 40px;
  padding: 26px 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brand);
  box-shadow: var(--shadow-sm);
}

.why-foot p {
  max-width: 720px;
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.8;
}

@media (max-width: 900px) {
  .fs-why .section-head {
    margin-bottom: 32px;
  }

  .why-foot {
    padding: 22px 22px;
  }
}

@media (max-width: 620px) {
  .why-card {
    padding: 22px 20px 20px;
  }

  .why-foot {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
}

/* 03 发展历程 */
.fs-history {
  background: #fff;
}

.fs-history .section-head {
  margin-bottom: 52px;
}

.timeline-wrap {
  position: relative;
}

.timeline-h {
  position: relative;
  display: flex;
  gap: 28px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scroll-padding-left: 8px;
  padding: 18px 8px 12px;
  margin: 0 52px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.timeline-h::-webkit-scrollbar {
  display: none;
}

.tl-h-item {
  position: relative;
  display: flex;
  flex-direction: column;
  flex: 0 0 calc((100% - 84px) / 4);
  scroll-snap-align: start;
  scroll-snap-stop: always;
  padding-top: 30px;
}

/* 时间轴连接线：由每个节点画到下一个节点圆点，长度随节点数量增长 */
.tl-h-item::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 12px;
  right: -34px;
  height: 2px;
  background: #DCE4F0;
  z-index: 0;
}

.tl-h-item:last-child::after {
  display: none;
}

.tl-h-item::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 4px #fff, 0 0 0 5px rgba(36, 93, 171, .3);
  z-index: 1;
}

.tl-h-year {
  display: block;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--brand);
  letter-spacing: .02em;
  margin-bottom: 8px;
}

.tl-h-item h3 {
  font-size: 1.12rem;
  margin: 0 0 8px;
}

.tl-h-item p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.75;
}

/* 每个节点对应的站内佐证链接 */
.tl-h-proof {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.7;
}

.tl-h-proof a {
  color: var(--brand);
  font-weight: 600;
}

.tl-h-proof a:hover {
  color: var(--brand-dark);
}

.tl-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: background .2s ease, color .2s ease, border-color .2s ease, opacity .2s ease;
}

.tl-nav:hover {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--white);
}

.tl-nav:disabled {
  opacity: .35;
  cursor: default;
  pointer-events: none;
}

.tl-prev {
  left: -12px;
}

.tl-next {
  right: -12px;
}

.tl-swipe-hint {
  display: block;
  margin: 14px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: .85rem;
}

.tl-hint-narrow {
  display: none;
}

@media (max-width: 820px) {
  .tl-hint-wide {
    display: none;
  }

  .tl-hint-narrow {
    display: inline;
  }
}

@media (max-width: 1080px) {
  .timeline-h {
    margin: 0 44px;
  }

  .tl-h-item {
    flex-basis: calc((100% - 56px) / 3);
  }
}

/* 桌面端：时间线不接管鼠标滚轮，页面滚动始终优先 */
@media (min-width: 821px) {
  .timeline-h {
    scroll-snap-type: none;
    overflow: hidden;
  }

  .tl-h-item {
    scroll-snap-stop: normal;
  }
}

/* 04 实力数据 */
.fs-strength::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(820px 420px at 90% -10%, rgba(36, 93, 171, .5), transparent 62%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .025) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .025) 0 1px, transparent 1px 72px);
}

.fs-strength {
  background-size: cover;
  background-position: center;
}

.fs-strength::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: rgba(13, 27, 54, .72);
}

@media (min-width: 821px) {
  .fs-strength {
    background-attachment: fixed;
  }
}

.fs-strength .stat-row {
  margin-top: 10px;
}

.fs-strength .stat b {
  font-size: clamp(1.9rem, 3.4vw, 2.5rem);
}

/* 05 核心团队 */
.fs-team {
  background: var(--bg-soft);
}

.team-grid {
  gap: 24px;
}

.team-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 24px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.team-avatar {
  width: 120px;
  height: 120px;
  margin: 0 auto 18px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid #fff;
  box-shadow: 0 0 0 1px var(--line), var(--shadow-sm);
}

.team-avatar .img-ph {
  border: 0;
  border-radius: 50%;
}

.team-card h3 {
  font-size: 1.08rem;
  margin: 0 0 8px;
}

.team-card p {
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.7;
  margin: 0;
}

/* 06 工厂实拍 */
.fs-photos {
  background: var(--bg);
}

.photo-grid {
  gap: 22px;
}

.photo-grid figure {
  margin: 0;
}

.photo-grid .photo-link {
  display: block;
}

.photo-grid .about-photo img {
  transition: transform .45s ease;
}

.photo-grid .photo-link:hover .about-photo img {
  transform: scale(1.045);
}

.photo-grid figcaption {
  font-size: 13.5px;
  color: var(--muted);
  padding-top: 10px;
  text-align: center;
}

/* 07 资质认证 */
.fs-cert {
  position: relative;
  overflow: hidden;
  background: var(--bg-soft);
}

.fs-cert::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(720px 380px at 8% 0%, rgba(36, 93, 171, .06), transparent 60%),
    radial-gradient(760px 400px at 96% 100%, rgba(36, 93, 171, .05), transparent 62%),
    repeating-linear-gradient(0deg, rgba(18, 41, 78, .025) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(90deg, rgba(18, 41, 78, .025) 0 1px, transparent 1px 96px);
}

.cert-card {
  max-width: 1000px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 56px 48px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.cert-card .kicker {
  justify-content: center;
}

.cert-card .kicker::before {
  display: none;
}

.cert-card h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 14px 0 12px;
}

.cert-card .lead {
  color: var(--muted);
  margin: 0 0 26px;
}

.cert-card .note-banner {
  margin-bottom: 0;
  text-align: left;
}

/* ---------- 证书实拍展示 ---------- */
.cert-img {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  background: #F7F8FB;
  border-bottom: 1px solid var(--line);
}

.cert-img img {
  width: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.cert-img a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.cert-mini a {
  display: block;
  width: 100%;
}

.cert-group-title {
  font-size: 1.15rem;
  margin: 44px 0 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.cert-group-title:first-of-type {
  margin-top: 8px;
  padding-top: 0;
  border-top: 0;
}

.why-icon {
  width: 88px;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  margin: 0 auto 18px;
}

.why-icon svg {
  width: 72px;
  height: 72px;
}

.why-icon img {
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.ship-tag {
  display: block;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--brand);
  font-size: .82rem;
  font-weight: 600;
  line-height: 1.6;
}

.ship-list {
  display: grid;
  gap: 18px;
}

.ship-row {
  display: flex;
  align-items: center;
  gap: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-sm);
}

.ship-media {
  flex: none;
  width: 46%;
}

.ship-media img {
  width: 100%;
  aspect-ratio: 15 / 4;
  object-fit: cover;
  display: block;
  border-radius: var(--radius);
}

.ship-body {
  flex: 1;
  min-width: 0;
}

.ship-body h3 {
  font-size: 1.18rem;
  margin: 0 0 10px;
}

.ship-body p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: .97rem;
  line-height: 1.75;
}

.ship-check {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 6px;
}

.ship-check li {
  position: relative;
  padding-left: 20px;
  color: var(--text);
  font-size: .92rem;
  line-height: 1.6;
}

.ship-check li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--brand);
  font-weight: 700;
}

@media (max-width: 820px) {
  .ship-row {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }

  .ship-media {
    width: 100%;
  }
}

.cert-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 26px;
}

.cert-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  gap: 56px;
  align-items: center;
}

.cert-split .cert-mini-grid {
  margin-top: 0;
}

.cert-intro h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  letter-spacing: -.01em;
  margin: 14px 0 16px;
}

.cert-intro .lead {
  color: var(--muted);
  max-width: 460px;
}

.cert-note {
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.75;
  margin: 16px 0 0;
}

.proof-img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
  border-radius: 6px;
  box-shadow: 0 18px 40px rgba(8, 18, 38, .16);
}

@media (max-width: 900px) {
  .cert-split {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .cert-split .cert-mini-grid {
    margin-top: 0;
  }
}

.cert-mini {
  margin: 0;
  background: #F7F8FB;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.cert-mini img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #fff;
  padding: 6px;
  box-sizing: border-box;
}

.cert-mini figcaption {
  padding: 8px 6px;
  font-size: .8rem;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 900px) {
  .cert-mini-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .cert-mini-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 右侧章节点导航（全屏页） */
.section-dots {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.section-dots a {
  position: relative;
  display: block;
  width: 12px;
  height: 12px;
}

.section-dots .dot-ico {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(18, 41, 78, .25);
  border: 1px solid rgba(18, 41, 78, .18);
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}

.section-dots a:hover .dot-ico,
.section-dots a.active .dot-ico {
  background: var(--brand);
  border-color: var(--brand);
  transform: scale(1.4);
}

.section-dots .dot-label {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%) translateX(4px);
  white-space: nowrap;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 4px 10px;
  opacity: 0;
  pointer-events: none;
  box-shadow: var(--shadow-sm);
  transition: opacity .16s ease, transform .16s ease;
}

.section-dots a:hover .dot-label,
.section-dots a.active .dot-label {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.page-anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
}

.page-anchors a {
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #fff;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  transition: border-color .15s ease, color .15s ease;
}

.page-anchors a:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.about-photo {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-soft);
  border: 1px solid var(--line);
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

section[id] {
  scroll-margin-top: 130px;
}

/* ---------- CTA 横幅 ---------- */
.cta-band {
  position: relative;
  background: linear-gradient(118deg, #245DAB 0%, #1B3E7A 62%, #12294E 100%);
  border-radius: 0;
  padding: 58px 40px;
  text-align: center;
  color: #fff;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .03) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .03) 0 1px, transparent 1px 56px);
  pointer-events: none;
}

.cta-band > * {
  position: relative;
  z-index: 1;
}

.cta-band h2 {
  color: #fff;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0 0 14px;
}

.cta-band p {
  color: #C8D7EE;
  max-width: 620px;
  margin: 0 auto 28px;
  font-size: 1rem;
  line-height: 1.8;
}

.cta-band .btn-light {
  color: var(--brand-deep);
}

.cta-band .btn-ghost {
  border-color: rgba(255, 255, 255, .45);
}

/* ---------- 表单 ---------- */
.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 2px;
  box-shadow: var(--shadow-md);
  padding: 34px;
}

.form-progress {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}

.fp-step {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
}

.fp-step .fp-dot {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid var(--line);
  display: grid;
  place-items: center;
  font-size: 12px;
  color: var(--muted);
  background: #fff;
}

.fp-step.active {
  color: var(--brand);
}

.fp-step.active .fp-dot {
  border-color: var(--brand);
  color: var(--brand);
}

.fp-step.done {
  color: var(--ok);
}

.fp-step.done .fp-dot {
  border-color: var(--ok);
  color: var(--ok);
}

.fp-line {
  flex: 1;
  height: 2px;
  background: var(--line);
}

.form-step {
  display: none;
}

.form-step.active {
  display: block;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
}

.field label em {
  color: #C0392B;
  font-style: normal;
}

.field input,
.field select,
.field textarea {
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  border: 1px solid #D3DBE7;
  border-radius: 2px;
  padding: 12px 14px;
  background: #fff;
  transition: border-color .15s ease, box-shadow .15s ease;
  width: 100%;
}

.field textarea {
  resize: vertical;
  min-height: 110px;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(36, 93, 171, .14);
}

.field .hint {
  font-size: 12px;
  color: var(--muted);
}

.file-drop {
  position: relative;
  border: 1.5px dashed #B9C7DC;
  border-radius: 2px;
  background: var(--bg);
  padding: 26px 18px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}

.file-drop:hover {
  border-color: var(--brand);
  background: var(--brand-soft);
}

.file-drop input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.file-drop b {
  display: block;
  color: var(--ink);
  font-size: 14.5px;
  margin-top: 6px;
}

.file-drop span {
  font-size: 12.5px;
  color: var(--muted);
}

.file-drop.has-file {
  border-color: var(--ok);
  background: #EFF8F2;
}

.form-nav {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 26px;
}

.form-note {
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 18px;
  line-height: 1.7;
}

.form-success {
  display: none;
  text-align: center;
  padding: 44px 20px;
}

.form-success.show {
  display: block;
}

.form-success .ok-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: #EAF7EF;
  color: var(--ok);
  display: grid;
  place-items: center;
  font-size: 28px;
}

.form-success h3 {
  margin-bottom: 10px;
}

.form-success p {
  color: var(--muted);
  max-width: 460px;
  margin: 0 auto;
}

/* ---------- 侧边联系卡 ---------- */
.side-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  margin-bottom: 20px;
}

.side-card h3 {
  font-size: 1.05rem;
  margin-bottom: 14px;
}

.side-card h3 a,
.featured-case-body h3 a {
  color: inherit;
  text-decoration: none;
  transition: color .15s ease;
}

.side-card h3 a:hover,
.featured-case-body h3 a:hover {
  color: var(--brand);
}

.side-card dl {
  margin: 0;
}

.side-card dt {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
  line-height: 1.4;
}

.contact-ico {
  flex: none;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--brand-soft);
  color: var(--brand);
}

.contact-ico svg {
  display: block;
  width: 22px;
  height: 22px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
}

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

.contact-row-text {
  min-width: 0;
}

.side-card dd {
  margin: 2px 0 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
}

/* ---------- 页脚 ---------- */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s, background .2s ease, color .2s ease, border-color .2s ease;
}

.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.back-top:hover {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.back-top svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 820px) {
  .back-top {
    right: 16px;
    bottom: 16px;
  }
}

.site-footer {
  background: #0E1B33;
  color: #A8B8D4;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 44px;
  padding: 56px 0 44px;
}

.site-footer h4 {
  color: #fff;
  font-size: 15px;
  margin: 0 0 16px;
}

.site-footer a {
  color: #A8B8D4;
}

.site-footer a:hover {
  color: #fff;
}

.footer-about .logo {
  margin-bottom: 14px;
}

.footer-about p {
  font-size: 13.5px;
  line-height: 1.8;
  margin: 0;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 10px;
  font-size: 13.5px;
  line-height: 1.7;
}

.footer-contact svg {
  flex: none;
  margin-top: 3px;
  color: #6FA0E8;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 20px 0;
  font-size: 12.5px;
  color: #6F83A6;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-bottom a {
  color: #8FA5C8;
}

/* ---------- 进入动画 ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .3s ease, transform .3s ease;
}

.js .reveal.in {
  opacity: 1;
  transform: none;
}

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

/* ---------- 焦点可见性 ---------- */
:focus-visible {
  outline: 3px solid rgba(36, 93, 171, .45);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .grid.cols-4,
  .industry-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .split {
    gap: 36px;
  }

  .intro-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .intro-aside {
    position: static;
  }
}

@media (max-width: 900px) {
  .hg-controls {
    display: none;
  }

  .hg-video-btn {
    display: none;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-copy {
    order: -2;
  }

  .hg-controls {
    left: 10px;
    right: 10px;
  }

  .hg-dots {
    bottom: 16px;
  }

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

  .grid.cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .split,
  .split.reverse {
    grid-template-columns: 1fr;
  }

  .split.reverse .split-media {
    order: 0;
  }
}

@media (max-width: 820px) {
  .product-detail-main {
    padding-top: 24px;
  }

  .catalog-filter-section {
    padding-top: 18px;
    padding-bottom: 26px;
  }

  .catalog-list-section {
    padding-top: 22px;
  }

  .filter-row {
    flex-direction: column;
    gap: 6px;
    min-width: 0;
  }

  .filter-label {
    width: auto;
    padding-top: 0;
    font-size: 13.5px;
  }

  .filter-chips {
    flex-wrap: wrap;
    overflow: visible;
    min-width: 0;
    max-width: 100%;
    padding-bottom: 0;
  }

  .filter-chips .chip {
    flex: none;
    padding: 6px 11px;
    font-size: 12.5px;
  }

  .menu-toggle {
    display: flex;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 14px 20px 20px;
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    opacity: 0;
    transition: max-height .28s ease, opacity .22s ease, visibility .22s;
    box-shadow: 0 18px 30px rgba(16, 24, 40, .12);
  }

  .site-header.open .nav {
    max-height: calc(100vh - 76px);
    max-height: calc(100dvh - 76px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    visibility: visible;
    opacity: 1;
  }

  .nav a {
    padding: 13px 12px;
    font-size: 15.5px;
  }

  .nav-drop {
    display: block;
    width: 100%;
  }

  .nav-drop-arrow {
    display: none;
  }

  .nav-drop-menu {
    position: static !important;
    top: auto;
    left: auto;
    display: block !important;
    visibility: visible !important;
    opacity: 1;
    transform: none;
    width: 100%;
    min-width: 0;
    box-shadow: none;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    padding: 2px 0 6px 12px;
    margin: 2px 0 8px 8px;
    z-index: auto;
  }

  .nav-drop-menu a {
    padding: 10px 12px;
    font-size: 14.5px;
    color: var(--muted);
  }

  .nav .nav-cta-btn {
    margin: 10px 0 0;
    text-align: center;
  }

  .topbar {
    display: none;
  }

  .about-cover {
    min-height: 88vh;
    min-height: calc(100svh - 76px);
  }

  .about-cover .container {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .about-cover h1 {
    font-size: clamp(1.9rem, 8.2vw, 2.55rem);
  }

  .section-dots {
    display: none;
  }

  .fs-section {
    min-height: auto;
    padding: 76px 0;
  }

  .fs-intro .split {
    gap: 34px;
  }

  .intro-head {
    margin-bottom: 30px;
  }

  .intro-prose p {
    font-size: .99rem;
    line-height: 1.9;
  }

  .intro-prose .intro-lead {
    font-size: 1.04rem;
  }

  .timeline-h {
    gap: 16px;
    padding: 6px 4px 14px;
    scroll-padding-left: 4px;
    margin: 0;
  }

  .tl-h-item::after {
    display: none;
  }

  .tl-h-item {
    flex: 0 0 84%;
    padding: 24px 20px 22px;
    border: 1px solid var(--line);
    border-top: 3px solid var(--brand);
    background: var(--white);
    box-shadow: var(--shadow-sm);
  }

  .tl-h-item::before {
    display: none;
  }

  .tl-nav {
    display: none;
  }

  .tl-swipe-hint {
    display: block;
  }

  .fs-strength .stat-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .cert-card {
    padding: 40px 26px;
  }

  .hero {
    min-height: auto;
    padding: 56px 0 64px;
  }

  .hero .splide__arrow {
    width: 34px;
    height: 34px;
  }

  .hero .splide__arrow--prev {
    left: 10px;
  }

  .hero .splide__arrow--next {
    right: 10px;
  }

}

@media (max-width: 620px) {
  .pagination {
    gap: 6px;
    margin-top: 28px;
  }

  .page-numbers {
    display: none;
  }

  .page-status {
    display: inline;
    margin: 0 4px;
  }

  .page-btn {
    padding: 8px 12px;
    font-size: 13px;
  }

  .product-grid {
    gap: 12px;
  }

  .product-card .card-body {
    padding: 14px 14px 16px;
  }

  .product-card h3 {
    font-size: 14.5px;
  }

  .product-card .card-body p {
    font-size: 12.5px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .product-card .card-link {
    font-size: 13px;
  }

  .grid.cols-2,
  .grid.cols-3,
  .grid.cols-4,
  .industry-grid,
  .trust-list,
  .stat-row,
  .steps,
  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cta-band {
    padding: 44px 24px;
  }

  .cta-band .btn {
    display: flex;
    width: 100%;
    justify-content: center;
    margin-left: 0 !important;
    margin-bottom: 12px;
  }

  .cta-band .btn:last-child {
    margin-bottom: 0;
  }

  .form-card {
    padding: 24px 20px;
  }

  .form-nav {
    flex-direction: column-reverse;
  }

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

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

  .cover-actions {
    gap: 10px;
  }

  .about-cover .lead {
    font-size: .97rem;
  }

  .fs-section {
    padding: 64px 0;
  }

  .fs-intro h2 {
    font-size: 1.65rem;
  }

  .intro-brand-row img {
    max-width: calc((100% - 10px) / 2);
  }

  .intro-proof {
    padding: 18px 16px 16px;
  }

  .intro-cta {
    margin-top: 34px;
    padding-top: 26px;
  }

  .photo-grid {
    gap: 18px;
  }

  .cert-card {
    padding: 34px 20px;
  }

  .logo img {
    height: 36px;
  }
}

/* ---------- 404 页面 ---------- */
.page-404 {
  padding: clamp(3rem, 7vw, 5.4rem) 0 clamp(3.4rem, 8vw, 6rem);
  background: var(--bg);
  overflow: hidden;
}

.page-404-inner {
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  gap: clamp(2rem, 5vw, 4.2rem);
  align-items: center;
}

.page-404-copy .kicker {
  margin-bottom: 14px;
}

.page-404-code {
  font-size: clamp(4.6rem, 13vw, 8.4rem);
  line-height: .9;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--brand-deep);
  margin: 4px 0 12px;
}

.page-404-code .zero {
  color: #9FB3D4;
}

.page-404-copy h1 {
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.25;
  color: var(--ink);
  margin: 0 0 14px;
}

.page-404-copy .lead {
  max-width: 30em;
  margin: 0;
  color: var(--text);
}

.page-404-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 14px;
  margin-top: 28px;
}

.page-404-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 4px;
  color: var(--brand);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.page-404-link:hover {
  color: var(--brand-dark);
  border-bottom-color: currentColor;
}

.page-404-link svg {
  width: 18px;
  height: 18px;
  transition: transform .18s ease;
}

.page-404-link:hover svg {
  transform: translateX(3px);
}

.page-404-figure {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-deep);
  border-radius: var(--radius);
  padding: clamp(16px, 3vw, 30px);
}

.page-404-figure svg {
  display: block;
  width: 100%;
  max-width: 480px;
  height: auto;
}

.page-404-figure text {
  font-family: var(--font);
}

@media (max-width: 900px) {
  .page-404-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .page-404-figure {
    max-width: 520px;
  }
}

/* ---------- 产品详情页 ---------- */
.pdt-points {
  margin: 18px 0 24px;
}

/* 产品特性（4 点）：编号 + 标题 + 说明 */
.pdt-features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.pdt-feature {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 26px;
}

.pdt-feature-num {
  display: block;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--brand);
  margin-bottom: 8px;
}

.pdt-feature h3 {
  font-size: 1.05rem;
  margin: 0 0 8px;
  color: var(--ink);
}

.pdt-feature p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--text);
}

@media (max-width: 780px) {
  .pdt-features {
    grid-template-columns: 1fr;
  }
}

.pdt-certs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 860px;
  margin: 0 auto;
}

.pdt-certs span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 18px;
  font-size: .92rem;
  font-weight: 600;
  color: var(--ink);
}

.pdt-certs span::before {
  content: "✓";
  color: var(--brand);
  font-weight: 800;
  font-size: .85rem;
}

/* ---------- 案例精选卡 ---------- */
.featured-case {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.featured-case-media {
  position: relative;
  min-width: 0;
  /* 兜底：封面尺寸异常时也不会溢出到右侧文案 */
  overflow: hidden;
  background: #f2f4f8;
}

/* 1600x900（16:9）封面按列宽铺满并居中裁切。
   之前 height:100% 会借助 .case-cover 的 16/9 比例反推宽度，
   导致图片比网格列更宽、压在右侧文案上。 */
.featured-case-media .case-cover,
.featured-case-media .img-ph {
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  border: 0;
  border-radius: 0;
}

.featured-case-media .case-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.featured-case-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px 32px;
}

.featured-case-body h3 {
  font-size: 1.3rem;
  line-height: 1.5;
  margin: 0 0 14px;
}

.case-summary {
  color: var(--text);
  font-size: .95rem;
  line-height: 1.8;
  margin: 0 0 18px;
  /* 精选案例摘要最多三行 */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.case-facts {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 20px;
}

.case-facts li {
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.case-facts b {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 4px;
}

.case-facts span {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
}

.case-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.case-review {
  max-width: 720px;
  margin: 0 auto;
}

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

@media (max-width: 1080px) {
  .featured-case {
    grid-template-columns: 1fr;
  }

  .featured-case-media .case-cover,
  .featured-case-media .img-ph {
    height: auto;
    aspect-ratio: 16 / 9;
  }
}

/* ---------- 规格参数表 ---------- */
.spec-table-wrap {
  max-width: 860px;
  margin-inline: auto;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.spec-sub-title {
  max-width: 860px;
  margin: 44px auto 16px;
  font-size: 1.1rem;
  color: var(--ink);
  text-align: center;
}

.spec-note {
  max-width: 860px;
  margin: 18px auto 0;
  text-align: center;
}

/* ---------- 产品详情描述（后台正文内容） ---------- */
.product-desc {
  max-width: 860px;
  margin: 18px auto 0;
  color: var(--text);
  font-size: .98rem;
}

.product-desc > h3:first-child {
  margin-top: 0;
}

.product-desc h3 {
  margin: 1.7em 0 .5em;
  font-size: 1.12rem;
  color: var(--ink);
}

.product-desc p {
  margin: 0 0 1em;
  line-height: 1.85;
}

.product-desc ul,
.product-desc ol {
  margin: 0 0 1.2em;
  padding-left: 1.25em;
}

.product-desc ul {
  list-style: disc;
}

.product-desc ol {
  list-style: decimal;
}

.product-desc li {
  margin-bottom: .35em;
  line-height: 1.8;
}

.product-desc a {
  color: var(--brand);
  text-decoration: underline;
}

.product-desc img {
  height: auto;
  margin: 1.2em auto;
}

@media (max-width: 680px) {
  .product-desc {
    font-size: .95rem;
  }

  .product-desc h3 {
    font-size: 1.06rem;
  }
}

.spec-load-note {
  max-width: 860px;
  margin: 22px auto 0;
  background: var(--brand-soft);
  border-color: #C9D8EE;
  color: var(--text);
}

.spec-load-note b {
  color: var(--brand-dark);
}

/* ---------- 信息高亮条（案例交付结果 / 文章提示等） ---------- */
.result-banner,
.info-banner {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--brand-soft);
  border: 1px solid #C9D8EE;
  border-left: 3px solid var(--brand);
  border-radius: var(--radius);
  color: var(--text);
  font-size: .95rem;
  line-height: 1.7;
  padding: 14px 18px;
  margin-top: 16px;
}

.result-banner b,
.info-banner b {
  flex: none;
  color: var(--brand-dark);
}

/* ---------- 产品详情页 · 工厂实拍要点 ---------- */
.pdt-factory-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 36px;
  max-width: 880px;
  margin: 0 auto 36px;
}

@media (max-width: 680px) {
  .pdt-factory-points {
    grid-template-columns: 1fr;
  }
}

/* ---------- 产品详情页首屏紧凑化（PC 首屏同框显示画廊 + 表单） ---------- */
.product-detail-main {
  padding-top: 26px;
  padding-bottom: 32px;
}

.product-detail-main .breadcrumb {
  margin-bottom: 14px;
}

.product-detail-main .split {
  align-items: stretch;
}

.product-detail-main .split-media {
  display: flex;
}

.product-detail-main .product-gallery {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
}

.product-detail-main .dg-main {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: #fff;
}

.product-detail-main .dg-slide.active {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.product-detail-main .dg-slide a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.product-detail-main .dg-slide img {
  width: auto;
  max-width: 100%;
  max-height: 100%;
  height: auto;
  object-fit: contain;
}

.product-detail-main .dg-thumbs {
  flex: none;
  gap: 8px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-detail-main a.dg-thumb {
  display: block;
  text-decoration: none;
}

.product-detail-main .dg-thumb:hover {
  border-color: var(--brand);
}

.product-detail-main .product-title {
  font-size: clamp(1.25rem, 2vw, 1.45rem);
  margin: 8px 0 10px;
}

.product-detail-main .product-lead {
  font-size: .92rem;
  line-height: 1.55;
  margin: 0 0 12px;
}

.product-detail-main .pdt-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 14px;
  margin: 10px 0 16px;
}

.product-detail-main .pdt-points li {
  padding: 4px 0;
  font-size: .88rem;
}

/* 产品详情页询盘表单紧凑化 */
.product-detail-main .form-card {
  padding: 18px 22px 18px;
}

.product-detail-main .form-card h3 {
  font-size: .95rem;
  margin-bottom: 8px;
}

.product-detail-main .form-row {
  margin-bottom: 12px;
  gap: 12px;
}

.product-detail-main .field {
  gap: 6px;
}

.product-detail-main .field input,
.product-detail-main .field textarea {
  padding: 10px 12px;
  font-size: 13.5px;
}

.product-detail-main .field textarea {
  min-height: 70px;
}

.product-detail-main .form-note {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.55;
}

.product-detail-main .form-contact-note {
  margin-top: 14px;
  text-align: center;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table th,
.spec-table td {
  padding: 15px 20px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.8;
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: none;
}

.spec-table th {
  width: 170px;
  min-width: 132px;
  background: var(--bg-soft);
  color: var(--ink);
  font-weight: 600;
  font-size: .9rem;
}

.spec-table td {
  color: var(--text);
  font-size: .95rem;
}

.spec-table tbody tr:nth-child(odd) td {
  background: #FAFBFD;
}

/* 规格表 PS 备注行：弱化显示 */
.spec-table tr.spec-note th,
.spec-table tr.spec-note td {
  background: var(--bg);
  color: var(--muted);
  font-size: .88rem;
}

@media (max-width: 680px) {
  .spec-table th {
    width: 108px;
    min-width: 92px;
    padding: 12px 12px;
    font-size: .85rem;
  }

  .spec-table td {
    padding: 12px 14px;
    font-size: .9rem;
  }
}

/* ============================================================
   全站留白规范（Spacing System）— 单一数据源
   ------------------------------------------------------------
   --space-section-y  区块纵向内边距  clamp(56px, 7vw, 92px)
   --space-head       区块标题区距内容  44px
   --space-foot       区块底部操作区距上方  40px
   --space-grid       标准网格间距  24px（产品网格 20px 例外）
   容器：最大 1280px · 左右内边距 24px
   页面页头 .page-hero：上 58px / 下 56px
   背景节奏：白 → 浅灰(.section--soft) → 深蓝(.section--dark) 交替，
             相邻区块避免同色贴靠
   页内行内间距上限：48px（不使用更大值的行内 margin）
   ============================================================ */

:root {
  --space-section-y: clamp(3.5rem, 7vw, 5.8rem);
  --space-head: 44px;
  --space-foot: 40px;
  --space-grid: 24px;
}

/* ============================================================
   WordPress 动态版补充样式（筛选链接 / 分页 / 产品卡片图片）
   ============================================================ */
.filter-chips a.chip {
  display: inline-block;
  text-decoration: none;
  line-height: 1.4;
}

.pagination a.page-numbers,
.pagination .page-numbers {
  min-width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  text-decoration: none;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}

.pagination a.page-numbers:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.pagination .page-numbers.current {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.pagination .page-numbers.prev,
.pagination .page-numbers.next {
  min-width: auto;
  padding: 0 16px;
}

.product-card .product-img {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #f2f4f8;
}

.product-card .product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 产品卡片：整卡可点击（图片链接铺满整卡）+ 悬停反馈 */
.product-card {
  position: relative;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}

.product-card .product-img::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}

.product-card:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow-md);
}

/* 案例卡片与详情 */
.case-img {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #f2f4f8;
}

.case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.case-cover {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #f2f4f8;
}

.case-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.case-gal-item {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #f2f4f8;
}

.case-gal-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.case-body h2 {
  margin: 1.6em 0 .6em;
  font-size: 1.45rem;
  color: var(--ink);
}

.case-body p {
  margin-bottom: 1em;
  line-height: 1.75;
}

.case-body ul {
  margin: 0 0 1.2em;
  padding-left: 1.25em;
  list-style: disc;
}

.case-body li {
  margin-bottom: .35em;
}

/* 知识文章卡片 */
.news-img {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #f2f4f8;
}

.news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 知识中心分类按钮（浅色背景专用） */
.hero-chips .chip,
.hero-chips a.chip {
  border: 1px solid var(--line);
  color: var(--text);
  background: #fff;
  border-radius: 2px;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}

.hero-chips .chip:hover,
.hero-chips a.chip:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.hero-chips .chip.active,
.hero-chips a.chip.active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.news-cover {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #f2f4f8;
}

.news-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ============================================================
   Fluent Forms 样式适配（询盘表单）
   ============================================================ */
.opd-ff-wrap .ff-el-group {
  margin-bottom: 16px;
}

.ff-el-input--label label,
.ff-el-input--label {
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
}

.ff-el-form-control,
.ff_input_control,
.ff_textarea,
.ff-el-input--control input,
.ff-el-input--control select,
.ff-el-input--control textarea {
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: #fff;
}

.ff-el-form-control:focus,
.ff-el-input--control input:focus,
.ff-el-input--control select:focus,
.ff-el-input--control textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 2px rgba(36, 93, 171, .12);
  outline: none;
}

.ff-btn,
.ff-btn-primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  border-radius: 2px;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 26px;
}

.ff-btn:hover,
.ff-btn-primary:hover {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
  color: #fff;
}

.ff-el-progress-bar,
.ff-step-title.active {
  background: var(--brand);
}

.ff-message-success {
  border: 1px solid #2f9e44;
  color: #2f9e44;
  background: #f6fef6;
  border-radius: 2px;
  padding: 14px 16px;
  font-weight: 600;
}

.ff-el-file-upload .ff-el-upload-btn {
  background: var(--brand-soft);
  border: 1px solid var(--line);
  color: var(--brand);
  border-radius: 2px;
  font-weight: 600;
}

.ff-uploaded-item {
  font-size: 13px;
  color: var(--text);
}

/* ============================================================
   Contact Form 7 样式适配（询盘表单）
   ============================================================ */
.wpcf7-form .form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 18px;
  margin-bottom: 0;
}

.wpcf7-form .field {
  margin-bottom: 14px;
}

/* 清掉 CF7 包裹字段的 <p> 默认边距，避免撑高留白 */
.wpcf7-form .field p {
  margin: 0;
}

.wpcf7-form .wpcf7-form-control-wrap {
  display: block;
  position: relative;
}

/* 电话输入框（区号内嵌，与其它输入框等宽等高） */
.wpcf7-form .phone-field .wpcf7-form-control-wrap {
  display: block;
  min-width: 0;
}

.wpcf7-form .phone-field .iti {
  display: block;
  width: 100%;
  margin-top: 6px;
}

.wpcf7-form .phone-field .iti__tel-input {
  width: 100%;
  margin-top: 0;
  padding-top: 9px;
  padding-bottom: 9px;
}

/* 修复国旗：显式指定 sprite 背景，避免 image-set 兼容问题 */
.wpcf7-form .phone-field .iti__flag {
  background-image: url('vendor/img/flags.webp');
}

/* 区号下拉搜索框：与其它输入框统一尺寸 */
.wpcf7-form .phone-field .iti__search-input {
  width: 100%;
  box-sizing: border-box;
  padding: 8px 10px;
  padding-left: 30px;
  padding-right: 28px;
  font-size: 13px;
  line-height: 1.4;
  border-radius: 2px;
  margin-top: 0;
}

.wpcf7-form .phone-field .iti__country-list {
  font-size: 13px;
  border-radius: 2px;
  border-color: var(--line);
}

.wpcf7-form .phone-field .iti__country.iti__highlight,
.wpcf7-form .phone-field .iti__country:hover {
  background: var(--brand-soft);
}

.wpcf7-form .phone-field .iti__selected-dial-code {
  font-weight: 600;
  color: var(--ink);
}

.wpcf7-form .field.full {
  grid-column: 1 / -1;
}

.wpcf7-form label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
}

.wpcf7-form label em {
  color: #d0342c;
  font-style: normal;
}

.wpcf7-form input[type="text"],
.wpcf7-form input[type="email"],
.wpcf7-form input[type="tel"],
.wpcf7-form input[type="number"],
.wpcf7-form input[type="url"],
.wpcf7-form select,
.wpcf7-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 9px 12px;
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: #fff;
  margin-top: 6px;
  box-sizing: border-box;
}

.wpcf7-form input:focus,
.wpcf7-form select:focus,
.wpcf7-form textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 2px rgba(36, 93, 171, .12);
  outline: none;
}

.wpcf7-form input[type="file"] {
  width: 100%;
  border: 1px dashed var(--line);
  border-radius: 2px;
  padding: 8px;
  font-size: 13px;
  color: var(--muted);
  background: #fbfcfe;
  margin-top: 4px;
  box-sizing: border-box;
}

.wpcf7-form .opd-cf7-submit {
  margin: 4px 0 0;
}

.wpcf7-form .opd-cf7-submit .wpcf7-submit {
  width: 100%;
  padding: 14px 20px;
  font-size: 16px;
  letter-spacing: .04em;
}

.wpcf7-form input[type="submit"] {
  display: inline-block;
  background: var(--brand);
  border: 1px solid var(--brand);
  color: #fff;
  border-radius: 2px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 11px 26px;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}

.wpcf7-form input[type="submit"]:hover {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
}

.wpcf7-form .wpcf7-not-valid {
  border-color: #d0342c !important;
  background: #fff8f7 !important;
}

/* 校验错误提示：叠加在输入框内部右侧，不撑高表单 */
.wpcf7-form .wpcf7-not-valid-tip {
  display: none;
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  color: #d0342c;
  font-size: 11px;
  line-height: 1.2;
  margin: 0;
  padding: 0;
  z-index: 3;
  background: transparent;
  border: 0;
  pointer-events: none;
  white-space: nowrap;
  text-shadow: 0 1px 2px #fff;
}

/* 多行文本与文件框的错误提示：靠右上角对齐 */
.wpcf7-form textarea + .wpcf7-not-valid-tip,
.wpcf7-form input[type="file"] + .wpcf7-not-valid-tip {
  top: 10px;
  transform: none;
}

.wpcf7-form .wpcf7-response-output {
  margin: 8px 0 0 !important;
  padding: 10px 14px !important;
  border: 0 !important;
  border-left: 3px solid #2f9e44 !important;
  border-radius: 0 2px 2px 0;
  background: #f2faf4;
  color: #287a3b;
  font-weight: 500;
  font-size: 13px;
  line-height: 1.5;
}

/* 未显示消息时隐藏空提示条，避免在按钮下方形成空隙 */
.wpcf7-form .wpcf7-response-output:empty {
  display: none;
}

.wpcf7-form .wpcf7-mail-sent-ok {
  border-left: 3px solid #2f9e44 !important;
  color: #287a3b;
  background: #f2faf4;
}

.wpcf7-form .wpcf7-validation-errors,
.wpcf7-form .wpcf7-acceptance-missing,
.wpcf7-form .wpcf7-spam-blocked,
.wpcf7-form .wpcf7-mail-sent-ng,
.wpcf7-form .wpcf7-aborted {
  border-left-color: #d0342c !important;
  color: #a33b34;
  background: #fdf3f2;
}

@media (max-width: 640px) {
  .wpcf7-form .form-row {
    grid-template-columns: 1fr;
  }
}

.material-switch {
  align-items: center;
}

.material-switch .filter-label {
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
}

/* 产品详情：源头工厂（左图右文） */
.factory-proof-grid {
  display: grid;
  grid-template-columns: 1fr 1.08fr;
  gap: 48px;
  align-items: center;
}

.factory-proof-media {
  position: relative;
  border-radius: 2px;
  overflow: hidden;
}

.factory-proof-media a {
  display: block;
}

.factory-proof-media img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: auto;
}

.factory-proof-badge {
  position: absolute;
  left: 14px;
  bottom: 14px;
  display: inline-block;
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: rgba(18, 41, 78, .82);
  border-radius: 2px;
  letter-spacing: .02em;
}

.factory-proof-copy h2 {
  margin: 8px 0 14px;
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  color: var(--ink);
}

.factory-proof-copy .lead {
  margin-bottom: 22px;
}

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

.stat-grid .stat {
  text-align: left;
  padding: 18px 18px;
}

.stat-grid .stat b {
  font-size: 1.5rem;
}

.stat-grid .stat span {
  font-size: 13px;
}

.factory-proof-foot {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.factory-proof-note {
  font-size: 13px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .factory-proof-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

/* 产品详情：定制与交付流程图文卡片 */
.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 8px;
}

.flow-step-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}

.flow-step-card:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.flow-step-img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #f2f4f8;
}

.flow-step-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.flow-step-body {
  padding: 16px 18px 18px;
}

.flow-step-body .flow-step-num {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--brand);
  margin-bottom: 6px;
}

.flow-step-body h4 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  color: var(--ink);
}

.flow-step-body p {
  margin: 0;
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .flow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

/* 产品询盘表单：标题头部色块，与表单内容自然分隔 */
.product-detail-main .form-card {
  margin-top: 28px;
}

/* 页脚社交平台按钮 */
.footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 50%;
  color: #B7C5DC;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}

.footer-social-link svg {
  width: 17px;
  height: 17px;
  display: block;
}

.footer-social-link:hover {
  color: #fff;
  border-color: var(--brand);
  background: var(--brand);
}

/* 产品详情：主图固定比例，不随右侧高度变化 */
.product-detail-main .split {
  align-items: start;
}

.product-detail-main .product-gallery {
  height: auto;
}

.product-detail-main .dg-main {
  flex: none;
  aspect-ratio: 1 / 1;
}

/* ---------- 材质分类页：纸展示架专属 ---------- */
.mat-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 34px;
}

.mat-fact {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
}

.mat-fact-icon {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: var(--radius);
  margin-bottom: 12px;
}

.mat-fact-icon svg {
  width: 20px;
  height: 20px;
}

.mat-fact b {
  display: block;
  color: var(--ink);
  font-size: .98rem;
  margin-bottom: 5px;
}

.mat-fact > span:last-child {
  color: var(--muted);
  font-size: .86rem;
  line-height: 1.65;
}

.mat-types-section .section-head.center {
  max-width: 880px;
}

.mat-types {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.mat-type-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.mat-type-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--brand);
}

.mat-type-figure-link {
  display: block;
}

.mat-type-figure {
  margin: 0;
  max-width: 238px;
  margin-left: auto;
  margin-right: auto;
  background: #eef1f5;
  overflow: hidden;
}

.mat-type-figure img {
  width: 100%;
  height: auto;
  display: block;
}

.mat-type-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 22px 22px;
}

.mat-type-body h3 a {
  color: inherit;
  text-decoration: none;
  transition: color .15s ease;
}

.mat-type-body h3 a:hover {
  color: var(--brand);
}

.mat-type-en {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .07em;
  color: var(--brand);
  text-transform: uppercase;
}

.mat-type-card h3 {
  font-size: 1.08rem;
  margin: 0;
}

.mat-type-card p {
  flex: 1;
  margin: 0;
  color: var(--muted);
  font-size: .93rem;
  line-height: 1.75;
}

.mat-type-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  color: var(--brand);
  font-weight: 600;
  font-size: .92rem;
}

.mat-type-link:hover {
  color: var(--brand-dark);
}

.mat-types-note {
  margin: 26px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: .88rem;
}

.mat-media {
  margin: 0;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.mat-media-img {
  width: 100%;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.mat-media figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 30px 18px 13px;
  color: #fff;
  font-size: .85rem;
  line-height: 1.5;
  background: linear-gradient(transparent, rgba(13, 27, 54, .74));
}

.mat-cap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 46px;
}

.mat-cap-item {
  background: var(--bg-soft);
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: border-color .2s ease, background .2s ease;
}

.mat-cap-item:hover {
  border-color: var(--brand);
  background: var(--white);
}

.mat-cap-item b {
  display: block;
  color: var(--ink);
  font-size: .96rem;
  margin-bottom: 4px;
}

.mat-cap-item span {
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.6;
}

.mat-read-section .grid.cols-4 {
  margin-top: 10px;
}

.mat-read-section .card {
  background: var(--white);
  border-color: var(--line);
  box-shadow: var(--shadow-sm);
}

.mat-read-section .card:hover {
  background: var(--white);
  border-color: var(--brand);
  box-shadow: var(--shadow-md);
}

.mat-read-section .card h3 {
  color: var(--text);
}

.mat-read-section .card p {
  color: var(--muted);
}

.mat-read-section .card .card-tag {
  background: var(--brand-soft);
  color: var(--brand);
}

.mat-case {
  display: grid;
  grid-template-columns: minmax(0, 340px) 1fr;
  margin-top: 42px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.mat-case:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow-md);
}

.mat-case-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.mat-case-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 26px 28px;
}

.mat-case-body h3 {
  color: var(--text);
  font-size: 1.25rem;
  margin: 0;
}

.mat-case-body p {
  color: var(--muted);
  margin: 0;
  line-height: 1.7;
}

.mat-case-link {
  margin-top: auto;
  padding-top: 10px;
  color: var(--brand);
  font-weight: 600;
  font-size: .93rem;
}

.mat-case:hover .mat-case-link {
  color: var(--brand-dark);
}

@media (max-width: 1080px) {
  .mat-facts,
  .mat-cap {
    grid-template-columns: repeat(2, 1fr);
  }

  .mat-types {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .mat-facts,
  .mat-cap,
  .mat-types {
    grid-template-columns: 1fr;
  }

  .mat-case {
    grid-template-columns: 1fr;
  }

  .mat-case-img {
    aspect-ratio: 16 / 9;
  }

  .mat-case-body {
    padding: 20px;
  }
}
/* 材质分类页：相关材质（页面底部轻量内链） */
.mat-related {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px 14px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: .92rem;
  color: var(--muted);
}
.mat-related-label {
  font-weight: 600;
  color: var(--ink);
}
.mat-related a {
  color: var(--brand);
}
.mat-related a:hover {
  color: var(--brand-dark);
}
.mat-related .is-current {
  color: var(--ink);
  font-weight: 600;
}
/* 材质分类页：工厂实拍视频 */
.mat-video-split {
  align-items: center;
}

.mat-video .video-frame {
  box-shadow: var(--shadow-md);
}

.mat-video-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
/* 材质分类页：精选代表款式 */
.mat-showcase-grid {
  grid-template-columns: repeat(3, 1fr);
}
.mat-showcase-grid.mat-showcase-single {
  grid-template-columns: minmax(0, 460px);
  justify-content: center;
}
.mat-showcase-cta {
  margin-top: 34px;
  text-align: center;
}
.mat-showcase-empty {
  padding: 40px 0;
  text-align: center;
  color: var(--muted);
}
@media (max-width: 1080px) {
  .mat-showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .mat-showcase-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- 页面首屏 Hero：图片背景 + 深蓝遮罩 ----------
   背景图片与渐变由模板内联样式输出（后台「外观 → 自定义 → 页面首屏背景图」设置），
   此处只负责深蓝兜底色；背景随板块滚动定位，避免桌面视差裁掉画面主体。 */
.page-hero.hero-photo {
  position: relative;
  background-color: #12294E;
  background-attachment: scroll;
}

/* 生产流程网格：显式断点，确保桌面保持 4 列、平板 2 列、手机才单列 */
.grid.cols-4.flow-step {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

@media (min-width: 901px) {
  .grid.cols-4.flow-step {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 900px) and (min-width: 561px) {
  .grid.cols-4.flow-step {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .grid.cols-4.flow-step {
    grid-template-columns: 1fr;
  }
}

/* ---------- 联系页：工厂位置地图（Leaflet + CARTO 浅色底图；点击后启用交互） ---------- */
.contact-map-frame {
  position: relative;
  margin-top: 26px;
  height: 320px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-soft);
  cursor: pointer;
}

.contact-map-frame.is-active {
  cursor: default;
}

.contact-map-frame .leaflet-container {
  width: 100%;
  height: 100%;
  background: #e9ebef;
  font-family: inherit;
  pointer-events: none;
}

.contact-map-frame.is-active .leaflet-container {
  pointer-events: auto;
}

/* 红色位置图钉 */
.opd-map-pin {
  background: transparent;
  border: 0;
}

.opd-map-pin svg {
  display: block;
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 2px 3px rgba(16, 24, 40, .35));
}

.contact-map-activate {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 1100;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border: 1px solid rgba(36, 93, 171, .16);
  border-radius: 999px;
  cursor: pointer;
  background: rgba(255, 255, 255, .88);
  color: var(--brand);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(16, 24, 40, .12);
  transition: background .2s ease, box-shadow .2s ease;
}

.contact-map-activate:hover {
  background: #fff;
  box-shadow: 0 6px 18px rgba(16, 24, 40, .16);
}

.contact-map-activate svg {
  width: 15px;
  height: 15px;
}

.contact-map-frame.is-active .contact-map-activate {
  display: none;
}

@media (max-width: 640px) {
  .contact-map-frame {
    height: 260px;
  }
}

/* ---------- 资源中心 · 视频中心（占位版式） ---------- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.video-slot {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  aspect-ratio: 16 / 9;
  background: var(--bg);
  border: 1px dashed #C9D4E4;
  border-radius: var(--radius);
  color: var(--muted);
  text-align: center;
  padding: 18px;
}

.video-slot svg {
  width: 40px;
  height: 40px;
  color: var(--brand);
  opacity: .55;
  margin-bottom: 4px;
}

.video-slot span {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
}

.video-slot em {
  font-style: normal;
  font-size: .82rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .video-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- 资源中心 · 视频中心（动态卡片：上视频下标题） ---------- */
.video-library-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.video-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}

.video-card:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.video-card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  /* 无封面时作为门面底色；有封面时会被封面盖住 */
  background: linear-gradient(160deg, #16243F 0%, #0E1B33 100%);
}

.video-card-media iframe,
.video-card-media video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  object-fit: cover;
  background: #000;
}

/* 视频列表「点击才加载」门面：封面铺满卡片，播放按钮居中 */
.video-card-media .video-poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-card-media .video-play {
  width: 64px;
  height: 64px;
}

.video-card-media .video-play svg {
  width: 24px;
  height: 24px;
}

.video-card-title {
  margin: 0;
  padding: 15px 18px;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink);
}

.video-card-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8FA5C8;
  font-size: 13px;
  letter-spacing: .04em;
}

@media (max-width: 1080px) {
  .video-library-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .video-library-grid {
    grid-template-columns: 1fr;
  }
}