/* ==========================================================================
   东莞市盛鸿新材料有限公司 — 全站样式
   结构：变量 → 基础 → 布局 → 头部 → 首屏 → 通用组件 → 各页面 → 页脚 → 响应式
   ========================================================================== */

/* ------------------------------ 1. 变量 ------------------------------ */
:root {
  --c-primary: #0A4C8C;
  --c-primary-dark: #06305A;
  --c-primary-light: #1E7FC0;
  --c-accent: #16A0C8;
  --c-accent-2: #2FA36B;

  --c-ink: #12222F;
  --c-text: #35485A;
  --c-gray: #6B7C8C;
  --c-gray-light: #9AAAB8;
  --c-line: #E3E9EF;
  --c-bg: #F4F7FA;
  --c-bg-2: #EDF2F7;
  --c-white: #FFFFFF;

  --grad-primary: linear-gradient(135deg, #0A4C8C 0%, #16A0C8 100%);
  --grad-dark: linear-gradient(180deg, rgba(6, 30, 56, .82) 0%, rgba(6, 30, 56, .35) 55%, rgba(6, 30, 56, .75) 100%);

  --shadow-sm: 0 2px 8px rgba(12, 40, 72, .06);
  --shadow: 0 8px 26px rgba(12, 40, 72, .09);
  --shadow-lg: 0 18px 48px rgba(12, 40, 72, .16);

  --radius: 6px;
  --radius-lg: 12px;
  --radius-xl: 20px;

  --wrap: 1280px;
  --header-h: 76px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ------------------------------ 2. 基础 ------------------------------ */
* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text);
  background: var(--c-white);
  overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--c-primary-light); }
ul, ol { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; outline: none; }
button { cursor: pointer; border: 0; background: none; }

h1, h2, h3, h4, h5 { color: var(--c-ink); font-weight: 700; line-height: 1.35; }

::selection { background: var(--c-primary); color: #fff; }

/* 滚动条 */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: var(--c-bg-2); }
::-webkit-scrollbar-thumb { background: #B7C5D2; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-primary-light); }

/* ------------------------------ 3. 布局 ------------------------------ */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section--tight { padding: 64px 0; }
.section--bg { background: var(--c-bg); }
.section--dark { background: var(--c-primary-dark); color: rgba(255, 255, 255, .82); }
.section--dark h2, .section--dark h3 { color: #fff; }

.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.flex { display: flex; }
.between { justify-content: space-between; }
.center { align-items: center; }
.gap-16 { gap: 16px; }

/* 章节标题 */
.sec-head { margin-bottom: 48px; }
.sec-head--center { text-align: center; }
.sec-head .kicker {
  display: inline-block; font-size: 13px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--c-accent); font-weight: 700; margin-bottom: 10px; position: relative;
}
.sec-head h2 { font-size: 34px; letter-spacing: 1px; }
.sec-head h2 span { color: var(--c-primary); }
.sec-head p { margin-top: 14px; color: var(--c-gray); max-width: 780px; font-size: 15px; }
.sec-head--center p { margin-left: auto; margin-right: auto; }
.sec-head--light .kicker { color: #7FD3EC; }
.sec-head--light h2 { color: #fff; }
.sec-head--light p { color: rgba(255, 255, 255, .68); }

.sec-head .bar { width: 46px; height: 3px; background: var(--grad-primary); border-radius: 2px; margin: 18px 0 0; }
.sec-head--center .bar { margin: 18px auto 0; }
.sec-head--light .bar { background: linear-gradient(90deg, #7FD3EC, #2FA36B); }

/* ------------------------------ 4. 按钮 ------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: 48px; padding: 0 30px; border-radius: 4px; font-size: 15px; font-weight: 600;
  border: 1px solid transparent; transition: all .3s var(--ease); white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn--primary { background: var(--grad-primary); color: #fff; box-shadow: 0 8px 20px rgba(10, 76, 140, .26); }
.btn--primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 14px 30px rgba(10, 76, 140, .34); }
.btn--ghost { border-color: rgba(255, 255, 255, .6); color: #fff; }
.btn--ghost:hover { background: #fff; color: var(--c-primary); border-color: #fff; }
.btn--line { border-color: var(--c-line); color: var(--c-primary); background: #fff; }
.btn--line:hover { border-color: var(--c-primary); color: var(--c-primary); box-shadow: var(--shadow-sm); }
.btn--sm { height: 40px; padding: 0 22px; font-size: 14px; }
.btn--block { width: 100%; }

.link-more { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--c-primary); font-size: 14px; }
.link-more::after { content: "→"; transition: transform .3s var(--ease); }
.link-more:hover::after { transform: translateX(5px); }

/* ------------------------------ 5. 顶部条 + 头部 ------------------------------ */
.topbar {
  background: var(--c-primary-dark); color: rgba(255, 255, 255, .72);
  font-size: 13px; height: 38px; line-height: 38px;
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; }
.topbar a:hover { color: #fff; }
.topbar__left { display: flex; align-items: center; gap: 22px; }
.topbar__left i { color: var(--c-accent); margin-right: 6px; font-style: normal; }
.topbar__right { display: flex; align-items: center; gap: 18px; }
.topbar__right .lang { color: #7FD3EC; font-weight: 700; }

.header {
  position: sticky; top: 0; z-index: 900; background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(180%) blur(10px); border-bottom: 1px solid var(--c-line);
  transition: box-shadow .3s var(--ease), height .3s var(--ease);
}
.header.is-stuck { box-shadow: 0 6px 24px rgba(12, 40, 72, .1); }
.header .wrap { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }

.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo img { height: 46px; width: auto; }
.logo__txt strong { display: block; font-size: 19px; color: var(--c-primary); letter-spacing: .5px; line-height: 1.25; }
.logo__txt small { display: block; font-size: 10.5px; color: var(--c-gray-light); letter-spacing: 1.4px; }

.nav { display: flex; align-items: center; height: 100%; }
.nav__item { position: relative; height: 100%; display: flex; align-items: center; }
.nav__item > a {
  display: flex; align-items: center; height: 100%; padding: 0 19px;
  font-size: 16px; font-weight: 600; color: var(--c-ink); position: relative;
}
.nav__item > a::after {
  content: ""; position: absolute; left: 19px; right: 19px; bottom: 18px; height: 2px;
  background: var(--grad-primary); transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav__item:hover > a::after, .nav__item.is-active > a::after { transform: scaleX(1); }
.nav__item.is-active > a { color: var(--c-primary); }

.header__actions { display: flex; align-items: center; gap: 14px; }
.header__tel { display: flex; align-items: center; gap: 9px; }
.header__tel span { font-size: 12px; color: var(--c-gray-light); display: block; line-height: 1.3; }
.header__tel strong { font-size: 16px; color: var(--c-primary); letter-spacing: .5px; }
.header__tel .ico {
  width: 38px; height: 38px; border-radius: 50%; background: var(--c-bg);
  display: grid; place-items: center; color: var(--c-primary);
}

.burger { display: none; width: 42px; height: 42px; border-radius: 4px; background: var(--c-bg); position: relative; }
.burger span {
  position: absolute; left: 11px; width: 20px; height: 2px; background: var(--c-ink);
  transition: all .3s var(--ease);
}
.burger span:nth-child(1) { top: 14px; }
.burger span:nth-child(2) { top: 20px; }
.burger span:nth-child(3) { top: 26px; }
.burger.is-open span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { top: 20px; transform: rotate(-45deg); }

/* 移动端抽屉 */
.drawer {
  position: fixed; inset: 0 0 0 auto; width: min(86vw, 380px); background: #fff; z-index: 1200;
  transform: translateX(100%); transition: transform .4s var(--ease); display: flex; flex-direction: column;
  box-shadow: -10px 0 40px rgba(0, 0, 0, .18);
}
.drawer.is-open { transform: translateX(0); }
.drawer__head { padding: 20px 22px; border-bottom: 1px solid var(--c-line); display: flex; justify-content: space-between; align-items: center; }
.drawer__head img { height: 40px; }
.drawer__close { font-size: 26px; line-height: 1; color: var(--c-gray); padding: 0 6px; }
.drawer__body { padding: 10px 0 30px; overflow-y: auto; flex: 1; }
.drawer__body a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 15px 24px; font-size: 16px; font-weight: 600; color: var(--c-ink);
  border-bottom: 1px solid #F1F5F8;
}
.drawer__body a::after { content: "›"; color: var(--c-gray-light); font-size: 20px; }
.drawer__body a.is-active { color: var(--c-primary); background: #F7FAFD; }
.drawer__foot { padding: 20px 24px; background: var(--c-bg); font-size: 13px; color: var(--c-gray); }
.drawer__foot strong { display: block; font-size: 19px; color: var(--c-primary); margin-bottom: 6px; }

.mask {
  position: fixed; inset: 0; background: rgba(8, 24, 42, .5); z-index: 1100;
  opacity: 0; visibility: hidden; transition: all .35s var(--ease);
}
.mask.is-open { opacity: 1; visibility: visible; }

/* ------------------------------ 6. 首屏轮播 ------------------------------ */
.hero { position: relative; height: clamp(460px, 68vh, 720px); overflow: hidden; background: var(--c-primary-dark); }
.hero__slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden;
  transition: opacity 1s var(--ease), visibility 1s var(--ease);
}
.hero__slide.is-active { opacity: 1; visibility: visible; }
.hero__slide img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.06); transition: transform 7s linear;
}
.hero__slide.is-active img { transform: scale(1); }
.hero__slide::after { content: ""; position: absolute; inset: 0; background: var(--grad-dark); }
.hero__inner {
  position: absolute; inset: 0; z-index: 3; display: flex; align-items: center;
}
.hero__box { max-width: 720px; color: #fff; }
.hero__box .tagline {
  display: inline-block; padding: 6px 16px; border: 1px solid rgba(127, 211, 236, .5);
  border-radius: 40px; font-size: 13px; letter-spacing: 2px; color: #7FD3EC; margin-bottom: 22px;
}
.hero__box h1 { font-size: clamp(30px, 4vw, 52px); color: #fff; letter-spacing: 2px; text-shadow: 0 4px 24px rgba(0, 0, 0, .3); }
.hero__box .en { font-size: clamp(13px, 1.3vw, 17px); color: rgba(255, 255, 255, .74); letter-spacing: 1.5px; margin-top: 12px; }
.hero__box p { margin-top: 20px; font-size: 16px; color: rgba(255, 255, 255, .82); max-width: 620px; }
.hero__btns { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }

.hero__slide.is-active .hero__box > * { animation: heroUp .9s var(--ease) both; }
.hero__slide.is-active .hero__box > *:nth-child(2) { animation-delay: .1s; }
.hero__slide.is-active .hero__box > *:nth-child(3) { animation-delay: .2s; }
.hero__slide.is-active .hero__box > *:nth-child(4) { animation-delay: .3s; }
.hero__slide.is-active .hero__box > *:nth-child(5) { animation-delay: .4s; }
@keyframes heroUp { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }

.hero__nav { position: absolute; z-index: 5; bottom: 40px; left: 0; right: 0; }
.hero__nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.hero__dots { display: flex; gap: 10px; }
.hero__dots button {
  width: 34px; height: 4px; border-radius: 2px; background: rgba(255, 255, 255, .35);
  transition: all .35s var(--ease);
}
.hero__dots button.is-active { background: #fff; width: 54px; }
.hero__arrows { display: flex; gap: 10px; }
.hero__arrows button {
  width: 44px; height: 44px; border: 1px solid rgba(255, 255, 255, .4); border-radius: 50%;
  color: #fff; display: grid; place-items: center; transition: all .3s var(--ease); font-size: 18px;
}
.hero__arrows button:hover { background: #fff; color: var(--c-primary); border-color: #fff; }
.hero__scroll {
  position: absolute; left: 50%; bottom: 40px; transform: translateX(-50%); z-index: 5;
  color: rgba(255, 255, 255, .7); font-size: 12px; letter-spacing: 2px; text-align: center;
}
.hero__scroll i { display: block; width: 1px; height: 30px; background: rgba(255, 255, 255, .5); margin: 8px auto 0; animation: scrollDown 1.8s infinite; }
@keyframes scrollDown { 0% { transform: scaleY(.3); transform-origin: top; } 50% { transform: scaleY(1); } 100% { transform: scaleY(.3); transform-origin: bottom; } }

/* ------------------------------ 7. 内页 Banner ------------------------------ */
.pagebanner { position: relative; height: 320px; overflow: hidden; background: var(--c-primary-dark); display: flex; align-items: center; }
.pagebanner img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.pagebanner::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6, 30, 56, .88), rgba(6, 30, 56, .42)); }
.pagebanner .wrap { position: relative; z-index: 3; color: #fff; }
.pagebanner .en { font-size: 14px; letter-spacing: 4px; color: #7FD3EC; text-transform: uppercase; }
.pagebanner h1 { color: #fff; font-size: clamp(26px, 3.4vw, 42px); letter-spacing: 3px; margin-top: 10px; }
.pagebanner p { color: rgba(255, 255, 255, .74); margin-top: 12px; max-width: 700px; }

.crumb { background: var(--c-bg); border-bottom: 1px solid var(--c-line); font-size: 13.5px; }
.crumb .wrap { display: flex; align-items: center; gap: 8px; height: 52px; color: var(--c-gray); flex-wrap: wrap; }
.crumb a:hover { color: var(--c-primary); }
.crumb .sep { color: var(--c-gray-light); }
.crumb .now { color: var(--c-primary); font-weight: 600; }

/* ------------------------------ 8. 卡片通用 ------------------------------ */
.card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  overflow: hidden; transition: all .4s var(--ease); height: 100%;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }

/* 产品卡 */
.pcard { position: relative; display: block; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden; transition: all .4s var(--ease); height: 100%; }
.pcard:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.pcard__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--c-bg-2); }
.pcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.pcard:hover .pcard__media img { transform: scale(1.08); }
.pcard__tag {
  position: absolute; top: 14px; left: 14px; z-index: 2; background: var(--grad-primary); color: #fff;
  font-size: 12px; padding: 4px 12px; border-radius: 3px; letter-spacing: .5px;
}
.pcard__ov {
  position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(6, 30, 56, .72));
  opacity: 0; transition: opacity .4s var(--ease); display: flex; align-items: flex-end; padding: 20px;
}
.pcard:hover .pcard__ov { opacity: 1; }
.pcard__ov span { color: #fff; font-size: 13.5px; border-bottom: 1px solid rgba(255, 255, 255, .6); padding-bottom: 2px; }
.pcard__body { padding: 22px 22px 26px; }
.pcard__body h3 { font-size: 18px; margin-bottom: 6px; transition: color .25s var(--ease); }
.pcard:hover .pcard__body h3 { color: var(--c-primary); }
.pcard__body .en { font-size: 12px; color: var(--c-gray-light); letter-spacing: .4px; min-height: 20px; }
.pcard__body p { font-size: 14px; color: var(--c-gray); margin-top: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pcard__meta { margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--c-line); font-size: 12.5px; color: var(--c-gray-light); display: flex; justify-content: space-between; }

/* 数据条 */
.stats { background: var(--grad-primary); color: #fff; }
.stats .grid { gap: 0; }
.stat { text-align: center; padding: 42px 20px; border-right: 1px solid rgba(255, 255, 255, .16); }
.stat:last-child { border-right: 0; }
.stat b { font-size: clamp(30px, 3.4vw, 44px); font-weight: 800; letter-spacing: 1px; display: block; line-height: 1.1; }
.stat b i { font-style: normal; font-size: .55em; margin-left: 2px; }
.stat span { display: block; font-size: 14px; color: rgba(255, 255, 255, .82); margin-top: 8px; }
.stat small { display: block; font-size: 11px; color: rgba(255, 255, 255, .5); letter-spacing: 1px; text-transform: uppercase; margin-top: 2px; }

/* 特性列表 */
.feature-list { display: grid; gap: 14px; }
.feature-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: var(--c-text); }
.feature-list li::before {
  content: ""; flex-shrink: 0; width: 18px; height: 18px; margin-top: 5px; border-radius: 50%;
  background: var(--c-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230A4C8C' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/11px no-repeat;
}

/* 标签 */
.chips { display: flex; flex-wrap: wrap; gap: 9px; }
.chip {
  font-size: 13px; padding: 5px 14px; border-radius: 40px; background: var(--c-bg);
  color: var(--c-primary); border: 1px solid #DCE7F1;
}
.chip--solid { background: #EAF4FB; border-color: #CFE4F3; }

/* 图标块 */
.iconbox { display: flex; gap: 16px; padding: 26px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); transition: all .4s var(--ease); height: 100%; }
.iconbox:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: transparent; }
.iconbox__ico {
  flex-shrink: 0; width: 52px; height: 52px; border-radius: 12px; background: var(--c-bg);
  display: grid; place-items: center; color: var(--c-primary); transition: all .4s var(--ease);
}
.iconbox:hover .iconbox__ico { background: var(--grad-primary); color: #fff; }
.iconbox__ico svg { width: 26px; height: 26px; }
.iconbox h3 { font-size: 16.5px; margin-bottom: 6px; }
.iconbox p { font-size: 13.5px; color: var(--c-gray); }

/* 应用卡 */
.acard { position: relative; display: block; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4 / 3; }
.acard img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.acard::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6, 30, 56, .1) 30%, rgba(6, 30, 56, .85)); transition: all .4s var(--ease); }
.acard:hover img { transform: scale(1.09); }
.acard:hover::after { background: linear-gradient(180deg, rgba(10, 76, 140, .35) 20%, rgba(6, 30, 56, .9)); }
.acard__body { position: absolute; inset: auto 0 0 0; padding: 26px 24px; z-index: 3; color: #fff; }
.acard__body h3 { color: #fff; font-size: 19px; }
.acard__body .en { font-size: 11.5px; color: rgba(255, 255, 255, .62); letter-spacing: 1.4px; text-transform: uppercase; margin-top: 3px; }
.acard__body p { font-size: 13.5px; color: rgba(255, 255, 255, .8); margin-top: 10px; max-height: 0; opacity: 0; overflow: hidden; transition: all .45s var(--ease); }
.acard:hover .acard__body p { max-height: 90px; opacity: 1; }

/* 新闻卡 */
.ncard { display: flex; gap: 20px; padding: 20px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); transition: all .4s var(--ease); }
.ncard:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: transparent; }
.ncard__date {
  flex-shrink: 0; width: 88px; height: 88px; border-radius: 10px; background: var(--c-bg);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  transition: all .4s var(--ease);
}
.ncard:hover .ncard__date { background: var(--grad-primary); }
.ncard__date b { font-size: 26px; color: var(--c-primary); line-height: 1; transition: color .3s; }
.ncard:hover .ncard__date b { color: #fff; }
.ncard__date span { font-size: 12px; color: var(--c-gray); transition: color .3s; }
.ncard:hover .ncard__date span { color: rgba(255, 255, 255, .85); }
.ncard__body { flex: 1; min-width: 0; }
.ncard__body h3 { font-size: 17px; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.ncard:hover .ncard__body h3 { color: var(--c-primary); }
.ncard__body p { font-size: 13.5px; color: var(--c-gray); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ncard__tag { display: inline-block; font-size: 12px; color: var(--c-accent); border: 1px solid #CFE4F3; padding: 1px 10px; border-radius: 3px; margin-bottom: 8px; }

/* 大新闻（列表页） */
.nlist { display: grid; gap: 22px; }
.nlist .ncard__date { width: 108px; height: 108px; }
.nlist .ncard__body h3 { font-size: 19px; -webkit-line-clamp: 2; }

/* ------------------------------ 9. 首页专属 ------------------------------ */
.about-home { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.about-home__imgs { position: relative; padding-bottom: 60px; }
.about-home__imgs .main { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.about-home__imgs .sub {
  position: absolute; right: -10px; bottom: 0; width: 58%; border-radius: var(--radius-lg);
  overflow: hidden; border: 6px solid #fff; box-shadow: var(--shadow-lg);
}
.about-home__badge {
  position: absolute; left: -14px; top: 28px; background: var(--grad-primary); color: #fff;
  padding: 18px 22px; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); text-align: center;
}
.about-home__badge b { font-size: 30px; display: block; line-height: 1; }
.about-home__badge span { font-size: 12.5px; color: rgba(255, 255, 255, .85); }
.about-home__txt h2 { font-size: 32px; }
.about-home__txt .p { color: var(--c-gray); margin-top: 18px; }
.about-home__txt .p + .p { margin-top: 12px; }
.about-home__vals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 26px 0 30px; }
.about-home__vals div { background: var(--c-bg); border-radius: var(--radius); padding: 16px 14px; text-align: center; }
.about-home__vals b { display: block; color: var(--c-primary); font-size: 16px; }
.about-home__vals span { font-size: 12px; color: var(--c-gray); }

/* 设备/实力（深色带） */
.dark-strip { position: relative; overflow: hidden; }
.dark-strip::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(900px 400px at 88% 10%, rgba(22, 160, 200, .28), transparent 62%),
              radial-gradient(700px 400px at 6% 92%, rgba(47, 163, 107, .2), transparent 60%);
  pointer-events: none;
}
.dark-strip .wrap { position: relative; z-index: 2; }
.eq-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.eqcard { background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--radius-lg); overflow: hidden; transition: all .4s var(--ease); }
.eqcard:hover { background: rgba(255, 255, 255, .1); transform: translateY(-6px); border-color: rgba(127, 211, 236, .4); }
.eqcard__media { aspect-ratio: 4 / 3; overflow: hidden; }
.eqcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.eqcard:hover .eqcard__media img { transform: scale(1.07); }
.eqcard__body { padding: 20px 22px 24px; }
.eqcard__body h3 { font-size: 17px; }
.eqcard__body .en { font-size: 11.5px; color: #7FD3EC; letter-spacing: 1px; margin-top: 4px; }
.eqcard__body p { font-size: 13.5px; color: rgba(255, 255, 255, .68); margin-top: 10px; }

/* CTA 条 */
.cta { position: relative; overflow: hidden; background: var(--grad-primary); color: #fff; }
.cta::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 320px; height: 320px;
  border-radius: 50%; border: 46px solid rgba(255, 255, 255, .07);
}
.cta .wrap { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-top: 46px; padding-bottom: 46px; flex-wrap: wrap; }
.cta h2 { color: #fff; font-size: clamp(22px, 2.6vw, 32px); }
.cta p { color: rgba(255, 255, 255, .82); margin-top: 8px; }
.cta .btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* ------------------------------ 10. 产品列表页 ------------------------------ */
.filter { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 44px; }
.filter button {
  padding: 9px 24px; border-radius: 40px; border: 1px solid var(--c-line); background: #fff;
  font-size: 14.5px; color: var(--c-text); transition: all .3s var(--ease);
}
.filter button:hover { border-color: var(--c-primary-light); color: var(--c-primary); }
.filter button.is-active { background: var(--grad-primary); color: #fff; border-color: transparent; box-shadow: 0 8px 18px rgba(10, 76, 140, .24); }
.empty { text-align: center; padding: 70px 20px; color: var(--c-gray-light); }

/* ------------------------------ 11. 产品详情页 ------------------------------ */
.pdetail { display: grid; grid-template-columns: 1.05fr 1fr; gap: 50px; align-items: start; }
.pdetail__gallery { border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden; background: #fff; }
.pdetail__main { aspect-ratio: 4 / 3; background: var(--c-bg-2); }
.pdetail__main img { width: 100%; height: 100%; object-fit: cover; }
.pdetail__thumbs { display: flex; gap: 10px; padding: 12px; border-top: 1px solid var(--c-line); flex-wrap: wrap; }
.pdetail__thumbs button { width: 76px; height: 58px; border-radius: 5px; overflow: hidden; border: 2px solid transparent; opacity: .68; transition: all .3s var(--ease); }
.pdetail__thumbs button img { width: 100%; height: 100%; object-fit: cover; }
.pdetail__thumbs button.is-active, .pdetail__thumbs button:hover { border-color: var(--c-primary); opacity: 1; }

.pdetail__info h1 { font-size: clamp(23px, 2.6vw, 32px); }
.pdetail__info .en { color: var(--c-gray-light); font-size: 14px; letter-spacing: .6px; margin-top: 8px; }
.pdetail__info .sum { margin-top: 18px; padding: 18px 20px; background: var(--c-bg); border-left: 3px solid var(--c-primary); border-radius: 0 var(--radius) var(--radius) 0; color: var(--c-text); font-size: 14.5px; }
.pdetail__info .tags { display: flex; gap: 9px; flex-wrap: wrap; margin-top: 20px; }
.pdetail__info .tags span { font-size: 13px; padding: 5px 14px; border-radius: 40px; background: #EAF4FB; color: var(--c-primary); }
.pdetail__btns { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

.spec-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden; }
.spec-table tr + tr { border-top: 1px solid var(--c-line); }
.spec-table th, .spec-table td { padding: 15px 22px; font-size: 14.5px; text-align: left; vertical-align: top; }
.spec-table th { width: 150px; background: var(--c-bg); color: var(--c-ink); font-weight: 600; }
.spec-table td { color: var(--c-text); }

.tabs { border-bottom: 1px solid var(--c-line); display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 30px; }
.tabs button {
  padding: 14px 26px; font-size: 16px; font-weight: 600; color: var(--c-gray); position: relative;
  transition: color .3s var(--ease);
}
.tabs button::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--grad-primary); transform: scaleX(0); transition: transform .3s var(--ease); }
.tabs button.is-active { color: var(--c-primary); }
.tabs button.is-active::after { transform: scaleX(1); }
.tabpane { display: none; }
.tabpane.is-active { display: block; animation: fadeIn .5s var(--ease); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.notice {
  display: flex; gap: 14px; padding: 18px 22px; background: #FFF9EC; border: 1px solid #F6E3B8;
  border-radius: var(--radius); font-size: 13.5px; color: #8A6A20; margin-top: 22px;
}
.notice b { color: #7A5A10; }
.notice svg { flex-shrink: 0; width: 20px; height: 20px; margin-top: 3px; }

/* ------------------------------ 12. 生产实力页 ------------------------------ */
.process { position: relative; display: grid; gap: 0; }
.pstep { display: grid; grid-template-columns: 96px 1fr; gap: 24px; padding: 24px 0; position: relative; }
.pstep:not(:last-child)::before { content: ""; position: absolute; left: 47px; top: 76px; bottom: -10px; width: 1px; background: var(--c-line); }
.pstep__no {
  width: 96px; height: 96px; border-radius: 50%; background: #fff; border: 1px solid var(--c-line);
  display: grid; place-items: center; font-size: 26px; font-weight: 800; color: var(--c-primary);
  position: relative; z-index: 2; transition: all .4s var(--ease);
}
.pstep:hover .pstep__no { background: var(--grad-primary); color: #fff; border-color: transparent; box-shadow: 0 10px 24px rgba(10, 76, 140, .28); }
.pstep__body { padding-top: 20px; }
.pstep__body h3 { font-size: 18px; margin-bottom: 8px; }
.pstep__body p { color: var(--c-gray); font-size: 14.5px; }

.qcard { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 28px; height: 100%; transition: all .4s var(--ease); position: relative; overflow: hidden; }
.qcard::before { content: ""; position: absolute; left: 0; top: 0; width: 3px; height: 0; background: var(--grad-primary); transition: height .4s var(--ease); }
.qcard:hover::before { height: 100%; }
.qcard:hover { box-shadow: var(--shadow); }
.qcard h3 { font-size: 17px; margin-bottom: 10px; }
.qcard p { font-size: 14px; color: var(--c-gray); }
.qcard .idx { font-size: 40px; font-weight: 800; color: #EDF2F7; line-height: 1; margin-bottom: 12px; }

/* 图片画廊 */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gallery figure { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4 / 3; position: relative; cursor: pointer; }
.gallery figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.gallery figure::after { content: ""; position: absolute; inset: 0; background: rgba(6, 30, 56, 0); transition: background .4s var(--ease); }
.gallery figure:hover img { transform: scale(1.09); }
.gallery figure:hover::after { background: rgba(6, 30, 56, .28); }
.gallery figcaption {
  position: absolute; inset: auto 0 0 0; z-index: 3; padding: 14px 16px; color: #fff; font-size: 13.5px;
  background: linear-gradient(transparent, rgba(6, 30, 56, .8)); transform: translateY(100%); transition: transform .4s var(--ease);
}
.gallery figure:hover figcaption { transform: none; }

/* 灯箱 */
.lightbox { position: fixed; inset: 0; z-index: 2000; background: rgba(4, 16, 30, .92); display: none; place-items: center; padding: 40px; }
.lightbox.is-open { display: grid; }
.lightbox img { max-width: 92vw; max-height: 84vh; border-radius: 6px; }
.lightbox__close { position: absolute; top: 24px; right: 30px; color: #fff; font-size: 34px; line-height: 1; }

/* ------------------------------ 13. 联系页 ------------------------------ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 44px; align-items: start; }
.cinfo { display: grid; gap: 18px; }
.cinfo__item { display: flex; gap: 16px; padding: 22px 24px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); transition: all .4s var(--ease); }
.cinfo__item:hover { box-shadow: var(--shadow); transform: translateX(4px); }
.cinfo__ico { flex-shrink: 0; width: 46px; height: 46px; border-radius: 10px; background: var(--c-bg); display: grid; place-items: center; color: var(--c-primary); }
.cinfo__ico svg { width: 22px; height: 22px; }
.cinfo__item h4 { font-size: 14px; color: var(--c-gray-light); font-weight: 600; letter-spacing: .5px; }
.cinfo__item b { display: block; font-size: 17px; color: var(--c-ink); margin-top: 3px; word-break: break-all; }
.cinfo__item small { color: var(--c-gray); font-size: 13px; }

.form-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13.5px; color: var(--c-ink); font-weight: 600; margin-bottom: 8px; }
.field label em { color: #D64545; font-style: normal; margin-left: 3px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 15px; border: 1px solid var(--c-line); border-radius: 5px;
  background: #FBFDFE; font-size: 14.5px; transition: all .3s var(--ease);
}
.field textarea { min-height: 132px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--c-primary-light); background: #fff; box-shadow: 0 0 0 3px rgba(30, 127, 192, .1); }
.field .err { display: none; font-size: 12.5px; color: #D64545; margin-top: 6px; }
.field.is-error input, .field.is-error textarea { border-color: #D64545; background: #FFF7F7; }
.field.is-error .err { display: block; }
.form-tip { font-size: 12.5px; color: var(--c-gray-light); margin-top: 14px; }
.form-ok { display: none; margin-top: 18px; padding: 16px 20px; background: #EDF9F1; border: 1px solid #BFE7CD; border-radius: 5px; color: #1F7A45; font-size: 14px; }
.form-ok.is-show { display: block; animation: fadeIn .4s var(--ease); }

.map-embed { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--c-line); background: var(--c-bg); min-height: 340px; display: grid; place-items: center; text-align: center; padding: 40px; }
.map-embed .ph { color: var(--c-gray); font-size: 14px; }
.map-embed .ph strong { display: block; font-size: 17px; color: var(--c-ink); margin-bottom: 8px; }

/* ------------------------------ 14. 关于页 ------------------------------ */
.vals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.valcard { text-align: center; padding: 40px 26px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); transition: all .4s var(--ease); }
.valcard:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.valcard__ico { width: 66px; height: 66px; margin: 0 auto 18px; border-radius: 50%; background: var(--c-bg); display: grid; place-items: center; color: var(--c-primary); transition: all .4s var(--ease); }
.valcard:hover .valcard__ico { background: var(--grad-primary); color: #fff; }
.valcard__ico svg { width: 30px; height: 30px; }
.valcard h3 { font-size: 19px; margin-bottom: 10px; }
.valcard p { font-size: 14px; color: var(--c-gray); }

.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: var(--c-line); }
.timeline li { position: relative; padding: 0 0 30px 0; }
.timeline li::before { content: ""; position: absolute; left: -30px; top: 7px; width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 3px solid var(--c-primary); }
.timeline b { display: block; color: var(--c-primary); font-size: 16px; }
.timeline p { color: var(--c-gray); font-size: 14px; }

/* ------------------------------ 15. 页脚 ------------------------------ */
.footer { background: #0A1B2B; color: rgba(255, 255, 255, .6); font-size: 14px; padding-top: 66px; }
.footer__top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.25fr; gap: 40px; padding-bottom: 50px; }
.footer__brand img { height: 44px; margin-bottom: 18px; filter: brightness(0) invert(1); opacity: .92; }
.footer__brand p { font-size: 13.5px; line-height: 1.9; color: rgba(255, 255, 255, .55); }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--c-accent); }
.footer__links li { margin-bottom: 11px; }
.footer__links a { font-size: 13.5px; color: rgba(255, 255, 255, .6); }
.footer__links a:hover { color: #fff; padding-left: 5px; }
.footer__contact li { margin-bottom: 13px; display: flex; gap: 10px; font-size: 13.5px; }
.footer__contact svg { flex-shrink: 0; width: 16px; height: 16px; margin-top: 4px; color: var(--c-accent); }
.footer__qr { display: flex; gap: 16px; margin-top: 18px; }
.footer__qr img { width: 96px; border-radius: 6px; background: #fff; padding: 5px; }
.footer__qr span { font-size: 12px; color: rgba(255, 255, 255, .5); display: block; text-align: center; margin-top: 6px; }
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, .09); padding: 22px 0; display: flex;
  justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: rgba(255, 255, 255, .45);
}
.footer__bottom a:hover { color: #fff; }

/* 回到顶部 + 侧边悬浮 */
.totop {
  position: fixed; right: 22px; bottom: 92px; z-index: 800; width: 46px; height: 46px; border-radius: 50%;
  background: #fff; box-shadow: var(--shadow); display: grid; place-items: center; color: var(--c-primary);
  opacity: 0; visibility: hidden; transition: all .35s var(--ease);
}
.totop.is-show { opacity: 1; visibility: visible; }
.totop:hover { background: var(--grad-primary); color: #fff; }

.sidebar-float { position: fixed; right: 22px; bottom: 30px; z-index: 800; display: flex; flex-direction: column; gap: 10px; }
.sidebar-float a, .sidebar-float button {
  width: 46px; height: 46px; border-radius: 50%; background: var(--grad-primary); color: #fff;
  display: grid; place-items: center; box-shadow: 0 8px 20px rgba(10, 76, 140, .3); transition: all .3s var(--ease);
}
.sidebar-float a:hover, .sidebar-float button:hover { transform: translateY(-3px) scale(1.05); color: #fff; }
.sidebar-float svg { width: 21px; height: 21px; }

/* ------------------------------ 16. 滚动动画 ------------------------------ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; }
.reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; }
.reveal-d4 { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .hero__slide img { transform: none !important; }
}

/* ------------------------------ 17. 响应式 ------------------------------ */
@media (max-width: 1180px) {
  .nav__item > a { padding: 0 13px; font-size: 15px; }
  .nav__item > a::after { left: 13px; right: 13px; }
  .header__tel { display: none; }
}

@media (max-width: 992px) {
  .section { padding: 62px 0; }
  .nav, .header__actions .btn { display: none; }
  .burger { display: block; }
  .topbar__left .hide-sm { display: none; }

  .grid-3, .grid-4, .eq-grid, .gallery { grid-template-columns: repeat(2, 1fr); }
  .about-home { grid-template-columns: 1fr; gap: 40px; }
  .about-home__imgs { max-width: 560px; }
  .pdetail { grid-template-columns: 1fr; gap: 34px; }
  .contact-grid { grid-template-columns: 1fr; }
  .vals { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: repeat(2, 1fr); gap: 34px; }
  .stat { border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, .16); }
  .stat:nth-child(odd) { border-right: 1px solid rgba(255, 255, 255, .16); }
  .stat:nth-last-child(-n+2) { border-bottom: 0; }
  .pagebanner { height: 250px; }
  .sec-head h2 { font-size: 27px; }
  .hero__scroll { display: none; }
}

@media (max-width: 768px) {
  .wrap { padding: 0 18px; }
  .section { padding: 50px 0; }
  .grid-2, .grid-3, .grid-4, .eq-grid, .gallery { grid-template-columns: 1fr; }
  .sec-head { margin-bottom: 34px; }
  .sec-head h2 { font-size: 23px; }
  .hero { height: auto; min-height: 560px; }
  .hero__inner { position: relative; padding: 90px 0 130px; }
  .hero__nav { bottom: 26px; }
  .hero__btns { gap: 10px; }
  .btn { height: 44px; padding: 0 22px; font-size: 14px; }
  .topbar { display: none; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-card { padding: 24px 20px; }
  .ncard { flex-direction: column; }
  .ncard__date { width: 100%; height: auto; flex-direction: row; gap: 8px; padding: 8px 0; justify-content: flex-start; background: none; }
  .ncard__date b { font-size: 18px; }
  .ncard:hover .ncard__date { background: none; }
  .ncard:hover .ncard__date b { color: var(--c-primary); }
  .ncard:hover .ncard__date span { color: var(--c-gray); }
  .nlist .ncard__date { width: 100%; height: auto; }
  .pstep { grid-template-columns: 64px 1fr; gap: 16px; }
  .pstep__no { width: 64px; height: 64px; font-size: 20px; }
  .pstep:not(:last-child)::before { left: 31px; top: 52px; }
  .pstep__body { padding-top: 8px; }
  .spec-table th { width: 108px; padding: 12px 14px; font-size: 13.5px; }
  .spec-table td { padding: 12px 14px; font-size: 13.5px; }
  .footer__top { grid-template-columns: 1fr; gap: 30px; padding-bottom: 34px; }
  .about-home__badge { left: 0; }
  .about-home__imgs { padding-bottom: 40px; }
  .cta .wrap { padding-top: 36px; padding-bottom: 36px; }
  .tabs button { padding: 12px 16px; font-size: 15px; }
}

@media (max-width: 480px) {
  .hero__box .tagline { margin-bottom: 14px; }
  .stat b { font-size: 28px; }
  .gallery { grid-template-columns: 1fr; }
  .sidebar-float { display: none; }
}

/* 打印 */
@media print {
  .header, .topbar, .footer, .sidebar-float, .totop, .hero__nav { display: none; }
  body { color: #000; }
}