@charset "UTF-8";
/* ==========================================================================
   东鑫和塑料包装机械（佛山）有限公司 —— 全站样式表
   1. 设计变量  2. 基础重置  3. 通用组件  4. 页头导航  5. 首屏
   6. 内容区块  7. 卡片与网格  8. 数据/流程/表格  9. 表单
   10. 页脚     11. 动效    12. 响应式
   ========================================================================== */

/* ---------------------------------- 1. 设计变量 --------------------------- */
:root {
  --ink: #08131f;
  --navy: #0b243a;
  --navy-2: #12395c;
  --blue: #1466ad;
  --blue-l: #2f8bd6;
  --accent: #ff6a13;
  --accent-d: #e85c06;
  --teal: #12a594;
  --paper: #ffffff;
  --mist: #f5f8fb;
  --mist-2: #e9f0f7;
  --line: #dde7f0;
  --text: #1c2b3a;
  --muted: #5d7386;

  --radius: 16px;
  --radius-s: 10px;
  --radius-l: 24px;
  --shadow-s: 0 2px 8px rgba(11, 36, 58, .06);
  --shadow-m: 0 12px 32px rgba(11, 36, 58, .10);
  --shadow-l: 0 28px 64px rgba(11, 36, 58, .18);
  --maxw: 1200px;
  --hd-h: 76px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
          "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-en: "Inter", "SF Pro Display", "Segoe UI", system-ui, sans-serif;
}

/* ---------------------------------- 2. 基础重置 --------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--paper);
  overflow-x: hidden;
}
body.nav-open { overflow: hidden; }

img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, h5 { margin: 0 0 .5em; line-height: 1.28; color: var(--navy); font-weight: 700; }
h1 { font-size: clamp(28px, 3.4vw, 46px); letter-spacing: -.5px; }
h2 { font-size: clamp(24px, 2.6vw, 36px); letter-spacing: -.3px; }
h3 { font-size: clamp(18px, 1.6vw, 22px); }
h4 { font-size: 17px; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.15em; }
li { margin-bottom: .35em; }
strong { color: var(--navy); font-weight: 700; }
small { font-size: 13px; }
table { border-collapse: collapse; width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid rgba(47, 139, 214, .55); outline-offset: 2px; border-radius: 4px; }

/* ---------------------------------- 3. 通用组件 --------------------------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 900px; }

.section { padding: 84px 0; position: relative; }
.section--tight { padding: 56px 0; }
.section--mist { background: var(--mist); }
.section--dark { background: var(--navy); color: rgba(255, 255, 255, .8); }
.section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.section--dark .sec-sub { color: rgba(255, 255, 255, .68); }

.sec-head { max-width: 780px; margin-bottom: 44px; }
.sec-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head h2 { margin-bottom: 14px; }
.sec-sub { color: var(--muted); font-size: 16.5px; margin: 0; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-en); font-size: 12.5px; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase; color: var(--blue);
  background: rgba(20, 102, 173, .09); border-radius: 999px;
  padding: 6px 14px; margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.section--dark .eyebrow { color: #8fc8ff; background: rgba(143, 200, 255, .12); }

.lead { font-size: 17.5px; color: var(--muted); }
.text-accent { color: var(--accent); }
.text-blue { color: var(--blue); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 30px; border-radius: 999px; border: 1px solid transparent;
  font-size: 15.5px; font-weight: 700; line-height: 1; cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space: nowrap; text-align: center;
}
.btn svg { flex: none; }
.btn--primary { background: var(--accent); color: #fff; box-shadow: 0 10px 24px rgba(255, 106, 19, .32); }
.btn--primary:hover { background: var(--accent-d); transform: translateY(-2px); box-shadow: 0 14px 30px rgba(255, 106, 19, .38); }
.btn--dark { background: var(--navy); color: #fff; }
.btn--dark:hover { background: var(--navy-2); transform: translateY(-2px); box-shadow: var(--shadow-m); }
.btn--outline { border-color: var(--line); background: #fff; color: var(--navy); }
.btn--outline:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); box-shadow: var(--shadow-s); }
.btn--ghost { border-color: rgba(255, 255, 255, .38); color: #fff; }
.btn--ghost:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .7); transform: translateY(-2px); }
.btn--sm { padding: 11px 22px; font-size: 14.5px; }
.btn--block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 13px; border-radius: 999px; font-size: 13px; font-weight: 600;
  background: var(--mist-2); color: var(--navy-2);
}
.chip--accent { background: rgba(255, 106, 19, .12); color: var(--accent-d); }
.chip--line { background: transparent; border: 1px solid var(--line); color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 0; }
.chips li { margin: 0; }

.link-arrow { display: inline-flex; align-items: center; gap: 6px; color: var(--blue); font-weight: 700; font-size: 15px; }
.link-arrow svg { transition: transform .2s ease; }
.link-arrow:hover svg { transform: translateX(4px); }

.note {
  display: flex; gap: 12px; align-items: flex-start;
  background: rgba(20, 102, 173, .06); border-left: 3px solid var(--blue);
  border-radius: 0 var(--radius-s) var(--radius-s) 0; padding: 14px 18px;
  font-size: 14.5px; color: var(--navy-2);
}
.note svg { flex: none; margin-top: 3px; }

/* ---------------------------------- 4. 页头导航 --------------------------- */
.topbar {
  background: var(--ink); color: rgba(255, 255, 255, .72);
  font-size: 13px; letter-spacing: .02em;
}
.topbar__in { display: flex; align-items: center; justify-content: space-between; height: 38px; gap: 20px; }
.topbar__list { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; }
.topbar__list li { margin: 0; display: flex; align-items: center; gap: 7px; }
.topbar__list svg { opacity: .7; }
.topbar a:hover { color: #fff; }

.header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(170%) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s ease;
}
.header.is-stuck { box-shadow: var(--shadow-s); }
.header__in { display: flex; align-items: center; gap: 22px; height: var(--hd-h); }

.logo { display: flex; align-items: center; gap: 12px; flex: none; }
.logo img, .logo svg { width: 44px; height: 44px; }
.logo__txt { display: flex; flex-direction: column; line-height: 1.15; }
.logo__cn { font-size: 19px; font-weight: 800; color: var(--navy); letter-spacing: .5px; }
.logo__en { font-family: var(--font-en); font-size: 10.5px; font-weight: 600; letter-spacing: .19em; color: var(--muted); text-transform: uppercase; }

.nav { margin-left: auto; }
.nav__list { display: flex; flex-wrap: nowrap; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav__list > li { margin: 0; position: relative; }
.nav__link {
  display: inline-flex; align-items: center; gap: 5px; white-space: nowrap;
  padding: 10px 12px; border-radius: 8px; font-size: 15px; font-weight: 600;
  color: var(--navy); transition: color .18s ease, background .18s ease;
}
.nav__link:hover { color: var(--blue); background: var(--mist); }
.nav__link.is-active { color: var(--blue); }
.nav__link.is-active::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px;
  height: 2px; background: var(--accent); border-radius: 2px;
}
.nav__link[aria-expanded]::before {
  content: ""; width: 0; height: 0; margin-left: 2px; order: 2;
  border-left: 4px solid transparent; border-right: 4px solid transparent;
  border-top: 5px solid currentColor; transition: transform .2s ease;
}
.nav__item.has-menu:hover .nav__link[aria-expanded]::before,
.nav__item.has-menu:focus-within .nav__link[aria-expanded]::before { transform: rotate(180deg); }

.dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(6px);
  width: 520px; padding: 14px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-m);
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px;
  opacity: 0; visibility: hidden; transition: opacity .2s ease, transform .2s ease, visibility .2s;
}
.nav__item.has-menu:hover .dropdown,
.nav__item.has-menu:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown a {
  display: flex; gap: 11px; align-items: flex-start; padding: 11px 13px; border-radius: var(--radius-s);
  transition: background .18s ease;
}
.dropdown a:hover { background: var(--mist); }
.dropdown svg { flex: none; margin-top: 2px; color: var(--blue); }
.dropdown b { display: block; font-size: 15px; color: var(--navy); font-weight: 700; }
.dropdown span { display: block; font-size: 12.5px; color: var(--muted); line-height: 1.5; }

.header__cta { display: flex; align-items: center; gap: 14px; flex: none; }
.header__tel { display: flex; flex-direction: column; line-height: 1.25; }
.header__tel small { color: var(--muted); font-size: 11.5px; }
.header__tel b { font-family: var(--font-en); font-size: 16.5px; color: var(--navy); letter-spacing: .01em; }

@media (max-width: 1379px) {
  .header__tel { display: none; }
}

@media (max-width: 1159px) {
  .nav__link { padding: 10px 9px; font-size: 14.5px; }
  .nav__link.is-active::after { left: 9px; right: 9px; }
  .header__in { gap: 16px; }
}

.burger {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 10px;
  background: #fff; cursor: pointer; padding: 0; place-items: center;
}
.burger span { display: block; width: 19px; height: 2px; background: var(--navy); border-radius: 2px; position: relative; }
.burger span::before, .burger span::after {
  content: ""; position: absolute; left: 0; width: 19px; height: 2px; background: var(--navy); border-radius: 2px;
  transition: transform .22s ease;
}
.burger span::before { top: -6px; }
.burger span::after { top: 6px; }
body.nav-open .burger span { background: transparent; }
body.nav-open .burger span::before { transform: translateY(6px) rotate(45deg); }
body.nav-open .burger span::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------------------------------- 5. 首屏 ------------------------------ */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(1000px 520px at 12% -10%, rgba(47, 139, 214, .40), transparent 62%),
    radial-gradient(760px 460px at 96% 8%, rgba(255, 106, 19, .26), transparent 60%),
    linear-gradient(160deg, #0a1e31 0%, #0b243a 46%, #113c60 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 78%);
}
.hero__in { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; padding: 84px 0 76px; }
.hero h1 { color: #fff; margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: #ffb27a; }
.hero__lead { font-size: 17.5px; color: rgba(255, 255, 255, .78); max-width: 560px; margin-bottom: 30px; }
.hero .eyebrow { background: rgba(255, 255, 255, .1); color: #a9d6ff; }
.hero__fig { position: relative; }
.hero__fig img { width: 100%; filter: drop-shadow(0 30px 60px rgba(0, 0, 0, .38)); }

.hero__facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 44px; padding-top: 30px; border-top: 1px solid rgba(255, 255, 255, .16); }
.hero__facts b { display: inline-flex; align-items: baseline; gap: 3px; white-space: nowrap; font-family: var(--font-en); font-size: clamp(24px, 2.6vw, 34px); color: #fff; line-height: 1.1; }
.hero__facts b i { font-style: normal; font-size: .58em; color: var(--accent); margin-left: 2px; }
.hero__facts span { display: block; font-size: 13.5px; color: rgba(255, 255, 255, .62); margin-top: 6px; }

.ticker { background: var(--navy-2); color: rgba(255, 255, 255, .82); }
.ticker__in { display: flex; flex-wrap: wrap; gap: 12px 34px; padding: 18px 0; font-size: 14.5px; }
.ticker__in span { display: inline-flex; align-items: center; gap: 9px; }
.ticker__in svg { color: var(--accent); flex: none; }

/* 页面小首屏（内页） */
.page-hero {
  position: relative; color: #fff; overflow: hidden;
  background:
    radial-gradient(760px 380px at 88% 0%, rgba(47, 139, 214, .34), transparent 62%),
    linear-gradient(150deg, #0a1e31, #0e3050 70%, #12456d);
}
.page-hero::after {
  content: ""; position: absolute; inset: 0; opacity: .45;
  background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 90%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 90%);
}
.page-hero__in { position: relative; z-index: 2; padding: 62px 0 58px; }
.page-hero h1 { color: #fff; font-size: clamp(27px, 3.4vw, 42px); margin-bottom: 14px; }
.page-hero p { color: rgba(255, 255, 255, .76); max-width: 720px; margin: 0; font-size: 16.5px; }

.crumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 13.5px; color: rgba(255, 255, 255, .6); margin-bottom: 18px; list-style: none; padding: 0; }
.crumb li { margin: 0; display: flex; align-items: center; gap: 8px; }
.crumb li + li::before { content: "/"; opacity: .5; }
.crumb a:hover { color: #fff; }

/* ---------------------------------- 6. 内容区块 --------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split--wide-left { grid-template-columns: 1.15fr .85fr; }
.split--wide-right { grid-template-columns: .85fr 1.15fr; }
.split__fig { position: relative; }
.split__fig img { width: 100%; border-radius: var(--radius-l); }
.frame {
  position: relative; border-radius: var(--radius-l); overflow: hidden;
  background: linear-gradient(150deg, #eef4fa, #dde8f2); padding: 26px;
  border: 1px solid var(--line);
}
.frame--dark {
  background: linear-gradient(150deg, #0d2b45, #14405f);
  border-color: rgba(255, 255, 255, .1);
}

.feature-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 22px; }
.feature-list li { margin: 0; display: flex; gap: 15px; align-items: flex-start; }
.feature-list .ic {
  flex: none; width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center; color: var(--blue);
  background: rgba(20, 102, 173, .1);
}
.feature-list b { display: block; color: var(--navy); font-size: 16.5px; margin-bottom: 3px; }
.feature-list p { margin: 0; color: var(--muted); font-size: 14.8px; line-height: 1.68; }
.section--dark .feature-list .ic { background: rgba(143, 200, 255, .14); color: #8fc8ff; }

.cta-band {
  position: relative; overflow: hidden; border-radius: var(--radius-l);
  background: linear-gradient(120deg, #0d2b45, #16466b 55%, #1a5a86);
  color: #fff; padding: 46px 50px;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px;
  box-shadow: var(--shadow-m);
}
.cta-band::after {
  content: ""; position: absolute; right: -90px; top: -90px; width: 320px; height: 320px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 106, 19, .34), transparent 68%);
}
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { margin: 0; color: rgba(255, 255, 255, .74); max-width: 620px; }
.cta-band .btn-row { position: relative; z-index: 2; }

/* ---------------------------------- 7. 卡片与网格 ------------------------- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-m); border-color: #c9dcee; }
.card h3 { margin-bottom: 8px; }
.card p:last-child { margin-bottom: 0; }
.card p { color: var(--muted); font-size: 14.9px; }
.card__ic {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(140deg, rgba(20, 102, 173, .12), rgba(18, 165, 148, .12));
  color: var(--blue); margin-bottom: 18px;
}
.card--flat { background: var(--mist); border-color: transparent; }
.card--flat:hover { background: #fff; }
.card--col { display: flex; flex-direction: column; }
.card--col > .card-note { margin: auto 0 0; padding-top: 12px; font-size: 13px; color: var(--muted); }

/* 产品分类卡 */
.cat-card { display: block; padding: 0; overflow: hidden; }
.cat-card__fig { background: var(--mist); border-bottom: 1px solid var(--line); padding: 18px 20px 0; }
.cat-card__fig img { width: 100%; }
.cat-card__body { padding: 22px 24px 26px; }
.cat-card__body h3 { margin-bottom: 6px; }
.cat-card__body p { margin: 0 0 14px; }
.cat-card .link-arrow { font-size: 14px; }

/* 产品卡 */
.p-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.p-card__fig { position: relative; background: linear-gradient(160deg, #f2f7fc, #e4edf6); padding: 14px; border-bottom: 1px solid var(--line); }
.p-card__fig img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; }
.p-card__tag {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  background: rgba(11, 36, 58, .88); color: #fff; font-size: 12px; font-weight: 700;
  padding: 5px 12px; border-radius: 999px; letter-spacing: .03em;
}
.p-card__body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.p-card__model { font-family: var(--font-en); font-size: 12.5px; font-weight: 700; letter-spacing: .1em; color: var(--accent-d); text-transform: uppercase; }
.p-card__body h3 { margin: 6px 0 8px; font-size: 19px; }
.p-card__body p { font-size: 14.6px; }
.p-card__specs { list-style: none; padding: 0; margin: 4px 0 20px; display: grid; gap: 7px; border-top: 1px dashed var(--line); padding-top: 16px; }
.p-card__specs li { display: flex; justify-content: space-between; gap: 12px; font-size: 13.6px; color: var(--muted); margin: 0; }
.p-card__specs b { color: var(--navy); font-weight: 700; font-family: var(--font-en); }
.p-card__foot { margin-top: auto; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.p-card__foot .link-arrow { white-space: nowrap; }

/* 应用领域 */
.app-card { display: flex; gap: 16px; align-items: flex-start; padding: 24px; }
.app-card .ic { flex: none; width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; background: var(--mist-2); color: var(--navy-2); }
.app-card h3 { font-size: 17px; margin-bottom: 5px; }
.app-card p { margin: 0; font-size: 14.3px; }

/* 案例卡 */
.case-card { padding: 0; overflow: hidden; }
.case-card__top { padding: 24px 26px 20px; border-bottom: 1px solid var(--line); }
.case-card__meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.case-card__body { padding: 20px 26px 24px; }
.case-card dl { margin: 0; display: grid; gap: 10px; }
.case-card dt { font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-family: var(--font-en); font-weight: 700; }
.case-card dd { margin: 2px 0 0; font-size: 14.6px; color: var(--text); }
.case-card dd + dt { margin-top: 6px; }

/* 新闻 */
.news-card { display: flex; flex-direction: column; gap: 12px; }
.news-card__meta { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); font-family: var(--font-en); letter-spacing: .02em; }
.news-card h3 { font-size: 18px; margin: 0; line-height: 1.45; }
.news-card p { margin: 0; }
.news-card .link-arrow { margin-top: auto; padding-top: 6px; }

.news-item { display: grid; grid-template-columns: 92px 1fr auto; gap: 22px; align-items: center; padding: 22px; }
.news-item__date { text-align: center; border-right: 1px solid var(--line); }
.news-item__date b { display: block; font-family: var(--font-en); font-size: 30px; line-height: 1; color: var(--navy); }
.news-item__date span { font-size: 12.5px; color: var(--muted); }
.news-item h3 { font-size: 17.5px; margin-bottom: 5px; }
.news-item p { margin: 0; font-size: 14.4px; color: var(--muted); }
.news-item:hover h3 { color: var(--blue); }

.quote { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.quote p { font-size: 15.4px; color: var(--navy-2); }
.quote footer { display: flex; align-items: center; gap: 12px; margin-top: 18px; padding-top: 18px; border-top: 1px dashed var(--line); font-size: 13.6px; color: var(--muted); }
.quote footer b { display: block; color: var(--navy); font-size: 14.6px; }

/* 规格/参数表 */
.spec-table { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.spec-table caption { text-align: left; padding: 18px 24px; font-weight: 700; color: var(--navy); border-bottom: 1px solid var(--line); background: var(--mist); font-size: 15.5px; }
.spec-table th, .spec-table td { padding: 14px 24px; text-align: left; font-size: 14.6px; border-bottom: 1px solid var(--line); }
.spec-table th { color: var(--muted); font-weight: 600; width: 34%; background: #fbfdff; }
.spec-table td { color: var(--navy); font-weight: 600; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.spec-table td .unit { color: var(--muted); font-weight: 400; font-size: 13.4px; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* 时间轴 */
.timeline { position: relative; list-style: none; padding: 0 0 0 32px; margin: 0; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--blue), var(--teal)); opacity: .3; border-radius: 2px; }
.timeline li { position: relative; margin: 0 0 30px; }
.timeline li:last-child { margin-bottom: 0; }
.timeline li::before {
  content: ""; position: absolute; left: -32px; top: 7px; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 3px solid var(--blue); box-shadow: 0 0 0 4px rgba(20, 102, 173, .12);
}
.timeline time { display: block; font-family: var(--font-en); font-weight: 800; font-size: 14px; letter-spacing: .08em; color: var(--accent-d); margin-bottom: 4px; }
.timeline h3 { font-size: 17.5px; margin-bottom: 4px; }
.timeline p { margin: 0; color: var(--muted); font-size: 14.8px; }

/* 步进流程 */
.steps { counter-reset: step; display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); list-style: none; padding: 0; margin: 0; }
.steps li { margin: 0; position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px 24px; }
.steps li::before {
  counter-increment: step; content: "0" counter(step);
  font-family: var(--font-en); font-weight: 800; font-size: 14px; color: var(--blue);
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  background: rgba(20, 102, 173, .1); margin-bottom: 16px;
}
.steps h3 { font-size: 17px; margin-bottom: 6px; }
.steps p { margin: 0; font-size: 14.4px; color: var(--muted); }

/* 数据展示 */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.stat { text-align: center; padding: 12px; }
.stat b { display: inline-flex; align-items: baseline; gap: 3px; white-space: nowrap; font-family: var(--font-en); font-size: clamp(30px, 3.6vw, 46px); line-height: 1; color: #fff; font-weight: 800; }
.stat b i { font-style: normal; font-size: .5em; color: var(--accent); margin-left: 3px; }
.stat span { display: block; margin-top: 10px; font-size: 14.5px; color: rgba(255, 255, 255, .68); }

/* 筛选标签 */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.filter-btn {
  border: 1px solid var(--line); background: #fff; color: var(--navy);
  padding: 10px 20px; border-radius: 999px; font-size: 14.8px; font-weight: 600; cursor: pointer;
  transition: all .18s ease;
}
.filter-btn:hover { border-color: var(--blue); color: var(--blue); }
.filter-btn.is-active { background: var(--navy); border-color: var(--navy); color: #fff; }
.filter-empty { text-align: center; color: var(--muted); padding: 40px 0; display: none; }

/* 折叠问答 */
.faq { display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-s); padding: 4px 22px; }
.faq details[open] { border-color: #c9dcee; box-shadow: var(--shadow-s); }
.faq summary { cursor: pointer; font-weight: 700; color: var(--navy); padding: 16px 0; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-en); font-size: 22px; color: var(--blue); line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 18px; color: var(--muted); font-size: 15px; }

.kv-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.kv-list li { display: flex; gap: 14px; align-items: flex-start; margin: 0; }
.kv-list li > svg, .feature-list li > svg { flex: none; margin-top: 4px; color: var(--blue); }
.kv-list .ic { flex: none; width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(20, 102, 173, .1); color: var(--blue); }
.kv-list b { display: block; color: var(--navy); font-size: 15.6px; }
.kv-list span { color: var(--muted); font-size: 14.5px; }

/* ---------------------------------- 9. 表单 ------------------------------ */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: 34px; box-shadow: var(--shadow-m); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 14.3px; font-weight: 600; color: var(--navy); }
.field label i { color: var(--accent); font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border: 1px solid var(--line); border-radius: var(--radius-s);
  background: #fbfdff; font-size: 15px; transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.field textarea { min-height: 122px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue); background: #fff; box-shadow: 0 0 0 4px rgba(20, 102, 173, .1);
}
.field input:user-invalid, .field textarea:user-invalid { border-color: #e0483a; }
.field .err { color: #d03528; font-size: 12.8px; display: none; }
.field.has-error .err { display: block; }
.field.has-error input, .field.has-error textarea { border-color: #e0483a; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 13.4px; color: var(--muted); }
.consent input { width: auto; margin-top: 4px; }
.form-status {
  display: none; gap: 12px; align-items: flex-start; margin-top: 20px; padding: 16px 18px;
  border-radius: var(--radius-s); background: rgba(18, 165, 148, .1); border: 1px solid rgba(18, 165, 148, .3); color: #0b6b60;
  font-size: 14.6px;
}
.form-status.is-visible { display: flex; }
.form-status > span { flex: 1 1 auto; min-width: 0; line-height: 1.7; }
.form-status code { word-break: break-all; font-size: 13px; background: rgba(11, 36, 58, .07); padding: 1px 5px; border-radius: 4px; }
.form-status strong { color: #0b6b60; }
.form-status.is-error { background: rgba(208, 53, 40, .08); border-color: rgba(208, 53, 40, .32); color: #a02a20; }
.form-status.is-error strong { color: #8f2419; }
.form-hint { font-size: 13px; color: var(--muted); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------------------------------- 10. 页脚 ----------------------------- */
.footer { background: var(--ink); color: rgba(255, 255, 255, .66); padding: 66px 0 0; font-size: 14.6px; }
.footer a:hover { color: #fff; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; }
.footer h4 { color: #fff; font-size: 15.5px; margin-bottom: 18px; letter-spacing: .04em; }
.footer__brand .logo__cn { color: #fff; }
.footer__brand .logo__en { color: rgba(255, 255, 255, .5); }
.footer__brand p { margin: 18px 0 20px; font-size: 14.2px; color: rgba(255, 255, 255, .6); }
.footer__links { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer__links li { margin: 0; }
.footer__contact { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.footer__contact li { margin: 0; display: flex; gap: 11px; align-items: flex-start; }
.footer__contact svg { flex: none; margin-top: 4px; color: var(--accent); }
.footer__contact b { color: #fff; font-family: var(--font-en); font-size: 16px; letter-spacing: .01em; }
.footer__bottom {
  margin-top: 52px; border-top: 1px solid rgba(255, 255, 255, .1); padding: 22px 0 26px;
  display: flex; flex-wrap: wrap; gap: 12px 26px; justify-content: space-between; font-size: 13.4px; color: rgba(255, 255, 255, .5);
}
.footer__bottom p { margin: 0; }
.icp { display: flex; flex-wrap: wrap; gap: 18px; }

.backtop {
  position: fixed; right: 24px; bottom: 26px; z-index: 80; width: 46px; height: 46px;
  border-radius: 50%; border: 1px solid var(--line); background: #fff; color: var(--navy);
  display: grid; place-items: center; cursor: pointer; box-shadow: var(--shadow-m);
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .25s ease;
}
.backtop.is-visible { opacity: 1; visibility: visible; transform: none; }
.backtop:hover { background: var(--navy); color: #fff; border-color: var(--navy); }

.mobile-bar { display: none; }

/* 语言切换 */
.lang-switch {
  display: inline-flex; align-items: center; gap: 6px; flex: none;
  padding: 7px 13px; border: 1px solid var(--line); border-radius: 999px;
  font-size: 13.5px; font-weight: 700; color: var(--navy-2); white-space: nowrap;
  transition: border-color .18s ease, color .18s ease, background .18s ease;
}
.lang-switch:hover { border-color: var(--blue); color: var(--blue); background: var(--mist); }

/* 首屏工艺链条（英文站，序列型内容） */
.chain { list-style: none; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 0; padding: 0; margin: 0; counter-reset: chain; }
.chain li { position: relative; counter-increment: chain; display: flex; align-items: center; gap: 9px; margin: 0; font-size: 14.5px; font-weight: 600; color: rgba(255, 255, 255, .88); }
.chain li::before {
  content: counter(chain, decimal-leading-zero); font-family: var(--font-en); font-size: 10.5px; font-weight: 800;
  display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%;
  background: rgba(255, 106, 19, .18); border: 1px solid rgba(255, 106, 19, .45); color: #ffb27a;
}
.chain li:not(:last-child) { margin-right: 24px; }
.chain li:not(:last-child)::after {
  content: ""; position: absolute; right: -18px; width: 12px; height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, .45), rgba(255, 255, 255, .08));
}

/* 英文站排版：拉丁优先字体栈、更短行长、数字对齐 */
.lang-en {
  --font: "Inter", "SF Pro Text", -apple-system, "Segoe UI Variable Text", "Segoe UI",
          Roboto, "Helvetica Neue", "PingFang SC", Arial, sans-serif;
  --font-en: "Inter", "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px; line-height: 1.65;
}
.lang-en h1, .lang-en h2, .lang-en h3, .lang-en h4 { letter-spacing: -.02em; line-height: 1.16; }
.lang-en h1, .lang-en h2 { text-wrap: balance; }
.lang-en .hero h1 { font-size: clamp(30px, 3.4vw, 48px); }
.lang-en .hero__in { grid-template-columns: 1.12fr .88fr; }
.lang-en .hero__lead { max-width: 58ch; }
.lang-en .lead, .lang-en .hero__lead, .lang-en .feature-list p, .lang-en .page-hero p { max-width: 70ch; }
.lang-en .sec-sub { max-width: 72ch; }
.lang-en .card p { max-width: 66ch; }
.lang-en .eyebrow { text-transform: none; letter-spacing: .05em; font-size: 12.5px; }
.lang-en .btn { letter-spacing: .01em; }
.lang-en .p-card__specs li { gap: 16px; }
.lang-en .p-card__specs li > span { flex: 1 1 auto; }
.lang-en .p-card__specs li > b { flex: 0 0 auto; }
.lang-en .spec-table td, .lang-en .spec-table th { font-size: 14.8px; }
.lang-en .spec-table td, .lang-en .p-card__specs b, .lang-en .kv-list b { font-variant-numeric: tabular-nums; }
.lang-en .form-status code { background: rgba(11, 36, 58, .08); padding: 1px 5px; border-radius: 4px; font-size: 13.5px; }
@media (max-width: 1080px) {
  .lang-en .hero__in { grid-template-columns: 1fr; }
}

/* 地图占位与说明块 */
.render-note { background: #fff; border: 1px dashed var(--line); border-radius: var(--radius); padding: 24px; }
.map-ph {
  margin-top: 18px; height: 260px; border: 1px solid var(--line); border-radius: var(--radius-s);
  display: grid; place-content: center; justify-items: center; gap: 10px; text-align: center;
  color: var(--muted); font-size: 14px; padding: 20px;
  background-color: #f2f7fc;
  background-image:
    linear-gradient(rgba(20, 102, 173, .10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 102, 173, .10) 1px, transparent 1px),
    linear-gradient(126deg, transparent 48%, rgba(20, 102, 173, .22) 49%, rgba(20, 102, 173, .22) 51%, transparent 52%),
    linear-gradient(38deg, transparent 62%, rgba(20, 102, 173, .16) 63%, rgba(20, 102, 173, .16) 65%, transparent 66%);
  background-size: 34px 34px, 34px 34px, 100% 100%, 100% 100%;
}
.map-ph svg { color: var(--accent); }

/* ---------------------------------- 11. 动效 ----------------------------- */
@keyframes bubbleRise {
  0% { transform: translateY(0) scale(.9); opacity: 0; }
  22% { opacity: .55; }
  100% { transform: translateY(-190px) scale(1.35); opacity: 0; }
}
.bubbles { position: absolute; inset: auto 0 0 0; height: 100%; pointer-events: none; overflow: hidden; }
.bubbles i {
  position: absolute; bottom: 8%; width: 12px; height: 12px; border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, rgba(255, 255, 255, .9), rgba(143, 200, 255, .28));
  animation: bubbleRise linear infinite;
}
.bubbles i:nth-child(1) { left: 12%; animation-duration: 7s; animation-delay: 0s; }
.bubbles i:nth-child(2) { left: 34%; width: 8px; height: 8px; animation-duration: 9s; animation-delay: 1.6s; }
.bubbles i:nth-child(3) { left: 58%; width: 15px; height: 15px; animation-duration: 8s; animation-delay: 3s; }
.bubbles i:nth-child(4) { left: 78%; width: 10px; height: 10px; animation-duration: 10s; animation-delay: .8s; }
.bubbles i:nth-child(5) { left: 92%; width: 7px; height: 7px; animation-duration: 8.5s; animation-delay: 4.2s; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.22, .61, .36, 1), transform .7s cubic-bezier(.22, .61, .36, 1); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .09s; }
.reveal[data-delay="2"] { transition-delay: .18s; }
.reveal[data-delay="3"] { transition-delay: .27s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------------------------------- 12. 响应式 --------------------------- */
@media (max-width: 1080px) {
  .hero__in { grid-template-columns: 1fr; gap: 40px; padding: 62px 0 58px; }
  .hero__fig { max-width: 620px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; }
  .split, .split--wide-left, .split--wide-right { grid-template-columns: 1fr; gap: 34px; }
  .split--reverse > .split__fig { order: 2; }
}

@media (max-width: 940px) {
  :root { --hd-h: 66px; }
  .topbar { display: none; }
  .burger { display: grid; }
  .header__cta .btn { display: none; }
  .nav {
    position: fixed; inset: var(--hd-h) 0 0 0; background: #fff; margin: 0;
    padding: 18px 22px 40px; overflow-y: auto; transform: translateY(-8px);
    opacity: 0; visibility: hidden; transition: opacity .22s ease, transform .22s ease, visibility .22s;
    z-index: 80;
  }
  body.nav-open .nav { opacity: 1; visibility: visible; transform: none; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav__list > li { border-bottom: 1px solid var(--line); }
  .nav__list > li:last-child { border-bottom: 0; }
  .nav__list > li > .nav__link { padding: 15px 4px; font-size: 16.5px; width: 100%; justify-content: space-between; }
  .nav__link.is-active::after { display: none; }
  .nav__link.is-active { color: var(--blue); }
  .dropdown {
    position: static; transform: none; width: auto; opacity: 1; visibility: visible;
    box-shadow: none; border: 0; border-radius: 0; padding: 0 0 8px 10px;
    grid-template-columns: 1fr; gap: 0;
    display: none;
  }
  .nav__item.is-open .dropdown { display: grid; }
  .dropdown a { padding: 10px 8px; }
  .dropdown span { display: none; }
  .mobile-bar {
    display: grid; grid-template-columns: repeat(3, 1fr); position: fixed; left: 0; right: 0; bottom: 0;
    z-index: 85; background: rgba(255, 255, 255, .96); backdrop-filter: blur(10px);
    border-top: 1px solid var(--line); padding: 6px 0 calc(6px + env(safe-area-inset-bottom));
  }
  .mobile-bar a { display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 6px 0; font-size: 11.5px; color: var(--navy-2); font-weight: 600; }
  .mobile-bar a svg { color: var(--blue); }
  .mobile-bar a.accent svg { color: var(--accent); }
  body { padding-bottom: 62px; }
  .backtop { bottom: 76px; }
}

@media (max-width: 760px) {
  .section { padding: 58px 0; }
  .container { padding: 0 18px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .form-card { padding: 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 68px 1fr; gap: 16px; padding: 18px; }
  .news-item__date b { font-size: 24px; }
  .news-item .link-arrow { grid-column: 1 / -1; justify-content: flex-start; }
  .cta-band { padding: 32px 26px; }
  .footer__grid { grid-template-columns: 1fr; gap: 30px; }
  .footer__bottom { flex-direction: column; gap: 10px; }
  .steps { grid-template-columns: 1fr; }
  .timeline { padding-left: 26px; }
  .timeline li::before { left: -26px; top: 6px; width: 14px; height: 14px; }
  .hero__facts { grid-template-columns: 1fr; gap: 20px; }
  .card { padding: 22px; }
  .spec-table th, .spec-table td { padding: 12px 16px; }
  .spec-table caption { padding: 15px 16px; }
}

@media print {
  .header, .topbar, .footer, .backtop, .mobile-bar, .cta-band { display: none !important; }
  body { color: #000; }
}