/* ==========================================================================
   阿科力 ACRYL — 品牌设计系统 v1.0
   主色：品牌深蓝（取自 logo #003060）　底色：白　点缀：蓝 / 红
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* 品牌蓝：直接取自 logo 底色 */
  --navy-900: #021D3A;
  --navy-800: #003060;      /* LOGO 主色 */
  --navy-700: #04315D;
  --navy-600: #0B4079;

  /* 点缀蓝 */
  --blue-600: #0F6FC4;
  --blue-500: #2A87D8;
  --blue-400: #5CA9E8;
  --blue-100: #D6E7F8;
  --blue-50:  #EFF6FD;

  /* 点缀红 */
  --red-600:  #C11C14;
  --red-500:  #DA251C;
  --red-100:  #FBE3E1;

  /* 中性 */
  --ink:      #101720;
  --ink-2:    #33404F;
  --muted:    #61707F;
  --line:     #E4E9F0;
  --line-2:   #F0F3F8;
  --bg:       #FFFFFF;
  --bg-soft:  #F6F9FC;

  --radius:   14px;
  --radius-s: 8px;
  --shadow:   0 1px 2px rgba(2, 29, 58, .04), 0 12px 32px -12px rgba(2, 29, 58, .14);
  --shadow-lg:0 2px 4px rgba(2, 29, 58, .05), 0 28px 60px -20px rgba(2, 29, 58, .26);

  --wrap: 1240px;
  --ease: cubic-bezier(.22, .61, .36, 1);

  --font: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC",
          "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, Segoe UI, sans-serif;
  --font-num: "SF Pro Display", "Helvetica Neue", Inter, Arial, var(--font);
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { color: var(--ink); font-weight: 700; line-height: 1.25; margin: 0 0 .6em; letter-spacing: -.01em; }
p { margin: 0 0 1.1em; }
ul { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--blue-100); color: var(--navy-800); }
:focus-visible { outline: 2px solid var(--blue-600); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }
.section { padding: clamp(64px, 8vw, 112px) 0; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding: clamp(48px, 5vw, 72px) 0; }

/* ---------- 3. 排版组件 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600; letter-spacing: .18em;
  color: var(--red-500); text-transform: uppercase; margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--red-500); }
.eyebrow--light { color: var(--blue-400); }
.eyebrow--light::before { background: var(--red-500); }

.h1 { font-size: clamp(34px, 5.2vw, 60px); line-height: 1.14; letter-spacing: -.02em; }
.h2 { font-size: clamp(27px, 3.4vw, 42px); line-height: 1.24; }
.h3 { font-size: clamp(19px, 1.6vw, 23px); }
.lead { font-size: clamp(16px, 1.35vw, 18px); color: var(--muted); max-width: 62ch; }
.dim { color: var(--muted); }
.acc-red { color: var(--red-500); }
.acc-blue { color: var(--blue-600); }

.sec-head { max-width: 780px; margin-bottom: clamp(36px, 4vw, 56px); }
.sec-head--split { max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.sec-head p { margin-bottom: 0; }

/* ---------- 4. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 26px; border-radius: 999px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; cursor: pointer;
  transition: all .28s var(--ease); white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; transition: transform .28s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn--primary { background: var(--navy-800); color: #fff; }
.btn--primary:hover { background: var(--navy-600); transform: translateY(-2px); box-shadow: 0 12px 26px -10px rgba(0,48,96,.6); }
.btn--red { background: var(--red-500); color: #fff; }
.btn--red:hover { background: var(--red-600); transform: translateY(-2px); box-shadow: 0 12px 26px -10px rgba(218,37,28,.55); }
.btn--ghost { border-color: rgba(255,255,255,.34); color: #fff; }
.btn--ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn--outline { border-color: var(--line); color: var(--navy-800); background: #fff; }
.btn--outline:hover { border-color: var(--navy-800); transform: translateY(-2px); }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 15px; color: var(--navy-800);
}
.link-arrow svg { width: 15px; height: 15px; transition: transform .28s var(--ease); }
.link-arrow:hover { color: var(--blue-600); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- 5. Logo ---------- */
/* 配色依据厂区门牌实拍：A 形标记为红色，CRYL 字标为蓝色；深底用反白版 */
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--navy-800); }
.brand__mark { width: 40px; height: auto; fill: var(--red-500); flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__text b { font-size: 19px; font-weight: 700; letter-spacing: .12em; }
.brand__text i {
  font-style: normal; font-size: 11px; font-weight: 600; letter-spacing: .34em;
  color: var(--blue-600); margin-top: 5px; font-family: var(--font-num);
}
.brand--light { color: #fff; }
.brand--light .brand__mark { fill: #fff; }
.brand--light .brand__text i { color: var(--blue-400); }

/* ---------- 6. 页头 / 导航 ---------- */
.topbar {
  background: var(--navy-800); color: rgba(255,255,255,.72);
  font-size: 13px; height: 38px; display: flex; align-items: center;
}
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; gap: 20px; width: 100%; }
.topbar a { color: rgba(255,255,255,.72); transition: color .2s; }
.topbar a:hover { color: #fff; }
.topbar__meta { display: flex; gap: 22px; align-items: center; }
.topbar__ticker { display: inline-flex; align-items: center; gap: 8px; color: #fff; font-weight: 600; }
.topbar__ticker span { color: var(--red-500); font-size: 11px; padding: 2px 7px; background: rgba(255,255,255,.94); border-radius: 4px; font-weight: 700; letter-spacing: .04em; }
.topbar__lang a.is-on { color: #fff; font-weight: 600; }

.site-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255,255,255,.94);
  -webkit-backdrop-filter: saturate(180%) blur(14px); backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s var(--ease);
}
.site-header.is-stuck { box-shadow: 0 8px 26px -18px rgba(2,29,58,.5); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 28px; height: 76px; }
.nav__list { display: flex; align-items: center; gap: 2px; }
.nav__item { position: relative; }
.nav__link {
  display: block; padding: 27px 15px; font-size: 15.5px; font-weight: 500; color: var(--ink-2);
  position: relative; transition: color .2s;
}
.nav__link::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 20px; height: 2px;
  background: var(--red-500); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav__item:hover .nav__link, .nav__link.is-active { color: var(--navy-800); font-weight: 600; }
.nav__item:hover .nav__link::after, .nav__link.is-active::after { transform: scaleX(1); }

.nav__drop {
  position: absolute; top: 100%; left: 4px; min-width: 208px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow);
  padding: 8px; opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .26s var(--ease);
}
.nav__item:hover .nav__drop { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__drop a {
  display: block; padding: 9px 14px; border-radius: 8px; font-size: 14.5px; color: var(--ink-2);
  transition: all .2s;
}
.nav__drop a:hover { background: var(--blue-50); color: var(--navy-800); padding-left: 18px; }

.nav__cta { display: flex; align-items: center; gap: 14px; }
.nav__toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line); background: #fff;
  border-radius: 10px; cursor: pointer; padding: 0; place-items: center;
}
.nav__toggle span { display: block; width: 18px; height: 1.8px; background: var(--navy-800); margin: 3.5px auto; transition: all .3s var(--ease); }
.nav__toggle.is-open span:nth-child(1) { transform: translateY(5.3px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-5.3px) rotate(-45deg); }

/* ---------- 7. Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(1100px 620px at 78% 18%, rgba(42,135,216,.42), transparent 62%),
    radial-gradient(760px 520px at 8% 96%, rgba(11,64,121,.75), transparent 66%),
    linear-gradient(158deg, var(--navy-900) 0%, var(--navy-800) 46%, #052F5C 100%);
}
.hero::before {
  content: ""; position: absolute; top: 0; right: 0; bottom: 0; left: 0; opacity: .3;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='97' viewBox='0 0 56 97'%3E%3Cpath d='M28 0 56 16v32L28 64 0 48V16z' fill='none' stroke='%23ffffff' stroke-opacity='.16'/%3E%3Cpath d='M28 64 56 80v32L28 128 0 112V80z' fill='none' stroke='%23ffffff' stroke-opacity='.16'/%3E%3C/svg%3E");
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 78%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 78%);
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; padding: clamp(72px, 8vw, 124px) 0 clamp(64px, 7vw, 104px); }
.hero h1 { color: #fff; margin-bottom: 24px; }
.hero h1 em { font-style: normal; color: var(--blue-400); }
.hero__lead { font-size: clamp(16px, 1.4vw, 18.5px); color: rgba(255,255,255,.8); max-width: 54ch; margin-bottom: 34px; }
.hero .eyebrow { color: #fff; background: rgba(218,37,28,.92); padding: 6px 14px 6px 12px; border-radius: 999px; letter-spacing: .04em; text-transform: none; font-size: 13px; }
.hero .eyebrow::before { width: 6px; height: 6px; border-radius: 50%; background: #fff; }

.hero__stats { display: flex; gap: 40px; margin-top: 46px; flex-wrap: wrap; }
.hero__stats div b { display: block; font-family: var(--font-num); font-size: clamp(26px, 2.7vw, 34px); color: #fff; font-weight: 700; line-height: 1.1; }
.hero__stats div span { font-size: 13.5px; color: rgba(255,255,255,.62); }

/* 光学镜片视觉：纯 CSS/SVG 绘制 */
.hero__visual { position: relative; aspect-ratio: 1; display: grid; place-items: center; }
.lens {
  position: absolute; top: 8%; right: 8%; bottom: 8%; left: 8%; border-radius: 50%;
  background:
    radial-gradient(circle at 34% 28%, rgba(255,255,255,.42), rgba(92,169,232,.18) 34%, transparent 58%),
    conic-gradient(from 210deg, rgba(92,169,232,.5), rgba(218,37,28,.32), rgba(42,135,216,.55), rgba(255,255,255,.28), rgba(92,169,232,.5));
  filter: blur(.4px);
  box-shadow: inset 0 0 90px rgba(255,255,255,.28), 0 40px 90px -30px rgba(0,0,0,.6);
  animation: spin 34s linear infinite;
}
.lens::after {
  content: ""; position: absolute; top: 17%; right: 17%; bottom: 17%; left: 17%; border-radius: 50%;
  background: radial-gradient(circle at 38% 32%, rgba(255,255,255,.55), rgba(3,29,58,.86) 62%);
  box-shadow: inset 0 0 46px rgba(92,169,232,.5);
}
@keyframes spin { to { transform: rotate(360deg); } }
.ring { position: absolute; top: 0; right: 0; bottom: 0; left: 0; border-radius: 50%; border: 1px solid rgba(255,255,255,.2); }
.ring--2 { top: -9%; right: -9%; bottom: -9%; left: -9%; border-style: dashed; border-color: rgba(255,255,255,.14); animation: spin 90s linear infinite reverse; }
.hero__chip {
  position: absolute; z-index: 3; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.24);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border-radius: 12px; padding: 12px 16px; font-size: 13px; color: #fff; line-height: 1.4;
}
.hero__chip b { display: block; font-size: 15px; letter-spacing: .02em; }
.hero__chip span { color: var(--blue-400); font-size: 12px; }
.hero__chip--a { top: 6%; left: -4%; }
.hero__chip--b { bottom: 12%; right: -2%; }
.hero__chip--c { bottom: 40%; left: -12%; }

/* ---------- 8. 数据条 ---------- */
.statband { border-top: 1px solid rgba(255,255,255,.14); position: relative; }
.statband__grid { display: grid; grid-template-columns: repeat(5, 1fr); }
.statband__grid > div { padding: 30px 24px; border-right: 1px solid rgba(255,255,255,.12); }
.statband__grid > div:last-child { border-right: 0; }
.statband b { display: block; font-family: var(--font-num); font-size: clamp(22px, 2.2vw, 30px); color: #fff; font-weight: 700; line-height: 1.15; }
.statband b i { font-style: normal; font-size: .58em; color: var(--blue-400); margin-left: 3px; }
.statband span { font-size: 13px; color: rgba(255,255,255,.6); }

/* ---------- 9. 卡片 ---------- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 32px; transition: all .35s var(--ease); position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--navy-800), var(--blue-500));
  transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease);
}
.card:hover { border-color: var(--blue-100); box-shadow: var(--shadow); transform: translateY(-5px); }
.card:hover::before { transform: scaleX(1); }
.card--red::before { background: linear-gradient(90deg, var(--red-500), #F0705F); }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; margin-bottom: 0; }

/* 可点击的卡片：继承文字颜色，悬停时右下角出现箭头作为可点提示 */
a.card, a.app, a.milestone { color: inherit; }
a.card { display: block; }
a.app { display: block; position: relative; }
a.card:not(.newscard)::after, a.app::after {
  content: "→"; position: absolute; right: 20px; bottom: 15px;
  font-size: 15px; line-height: 1; color: var(--blue-600);
  opacity: 0; transform: translateX(-8px); transition: all .3s var(--ease);
}
a.card:not(.newscard):hover::after, a.app:hover::after { opacity: 1; transform: none; }
a.card--red:not(.newscard)::after { color: var(--red-600); }
a.milestone { position: relative; padding-right: 46px; }
a.milestone::after {
  content: "→"; position: absolute; right: 20px; top: 50%; color: var(--blue-400);
  opacity: 0; transform: translate(-8px, -50%); transition: all .3s var(--ease);
}
a.milestone:hover::after { opacity: 1; transform: translate(0, -50%); }
.card__ico {
  width: 46px; height: 46px; border-radius: 11px; display: grid; place-items: center; margin-bottom: 20px;
  background: var(--blue-50); color: var(--navy-800);
}
.card__ico svg { width: 23px; height: 23px; }
.card--red .card__ico { background: var(--red-100); color: var(--red-600); }
.card__tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 20px; }
.tag {
  font-size: 12.5px; padding: 4px 11px; border-radius: 999px;
  background: var(--bg-soft); color: var(--muted); border: 1px solid var(--line-2);
}
.tag--blue { background: var(--blue-50); color: var(--blue-600); border-color: var(--blue-100); }
.tag--red { background: var(--red-100); color: var(--red-600); border-color: #F6CFCC; }

/* 产品大卡 */
.pcard { display: grid; grid-template-columns: 210px 1fr; gap: 0; align-items: stretch; }
.pcard__art {
  background: linear-gradient(150deg, var(--navy-800), var(--blue-600));
  display: grid; place-items: center; color: #fff; position: relative; overflow: hidden; padding: 28px;
}
.pcard__art svg { width: 84px; height: 84px; opacity: .95; }
.pcard__art::after {
  content: ""; position: absolute; top: 0; right: 0; bottom: 0; left: 0;
  background-image: radial-gradient(rgba(255,255,255,.22) 1px, transparent 1px);
  background-size: 13px 13px; opacity: .5;
}
.pcard__body { padding: 34px 34px; }
.pcard__body h3 { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.pcard__body h3 small { font-size: 13px; font-weight: 500; color: var(--muted); font-family: var(--font-num); letter-spacing: .04em; }
.card--flat { padding: 0; }

/* 应用领域 */
.apps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.app { background: #fff; padding: 30px 28px; transition: background .3s var(--ease); }
.app:hover { background: var(--blue-50); }
.app svg { width: 26px; height: 26px; color: var(--blue-600); margin-bottom: 14px; }
.app h4 { font-size: 16.5px; margin-bottom: 6px; }
.app p { font-size: 14px; color: var(--muted); margin: 0; }

/* ---------- 10. 专题 / 分栏 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 5vw, 72px); align-items: center; }
.split--wide { grid-template-columns: .95fr 1.05fr; }

.feature-dark {
  background: linear-gradient(150deg, var(--navy-900), var(--navy-800) 55%, var(--navy-600));
  color: rgba(255,255,255,.78); position: relative; overflow: hidden;
}
.feature-dark h2, .feature-dark h3 { color: #fff; }
.feature-dark::after {
  content: ""; position: absolute; right: -12%; top: -30%; width: 62%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(42,135,216,.34), transparent 66%);
}
.feature-dark .wrap { position: relative; z-index: 2; }

.milestones { display: grid; gap: 14px; }
.milestone {
  display: grid; grid-template-columns: 96px 1fr; gap: 20px; align-items: baseline;
  padding: 18px 22px; border: 1px solid rgba(255,255,255,.14); border-radius: 12px;
  background: rgba(255,255,255,.05); transition: all .3s var(--ease);
}
.milestone:hover { background: rgba(255,255,255,.1); border-color: rgba(92,169,232,.45); transform: translateX(6px); }
.milestone b { font-family: var(--font-num); color: var(--blue-400); font-size: 15px; letter-spacing: .02em; }
.milestone p { margin: 0; font-size: 14.5px; color: rgba(255,255,255,.76); }
.milestone p strong { color: #fff; display: block; font-size: 16px; margin-bottom: 2px; }

/* 清单 */
.checklist li {
  position: relative; padding-left: 30px; margin-bottom: 13px; font-size: 15.5px;
}
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 9px; width: 14px; height: 8px;
  border-left: 2px solid var(--red-500); border-bottom: 2px solid var(--red-500); transform: rotate(-45deg);
}
.checklist--light li { color: rgba(255,255,255,.82); }

/* 引用 */
.quote {
  border-left: 3px solid var(--red-500); padding: 4px 0 4px 26px;
  font-size: clamp(17px, 1.8vw, 21px); line-height: 1.72; color: var(--ink); font-weight: 500;
}
.quote cite { display: block; font-style: normal; font-size: 14px; color: var(--muted); font-weight: 400; margin-top: 16px; }

/* ---------- 11. 时间轴 ---------- */
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 5px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--blue-100), var(--line)); }
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item::before {
  content: ""; position: absolute; left: -30px; top: 8px; width: 12px; height: 12px; border-radius: 50%;
  background: #fff; border: 2.5px solid var(--blue-500);
}
.tl-item--key::before { border-color: var(--red-500); box-shadow: 0 0 0 5px var(--red-100); }
.tl-item time { font-family: var(--font-num); font-size: 14px; font-weight: 700; color: var(--blue-600); letter-spacing: .03em; }
.tl-item--key time { color: var(--red-500); }
.tl-item h4 { font-size: 17px; margin: 4px 0 6px; }
.tl-item p { font-size: 14.5px; color: var(--muted); margin: 0; }

/* ---------- 12. 新闻 ---------- */
.news-list { border-top: 1px solid var(--line); }
.news-item {
  display: grid; grid-template-columns: 132px 1fr auto; gap: 28px; align-items: center;
  padding: 26px 8px; border-bottom: 1px solid var(--line); transition: all .3s var(--ease);
}
.news-item:hover { background: var(--bg-soft); padding-left: 18px; padding-right: 0; }
.news-item time { font-family: var(--font-num); font-size: 14px; color: var(--muted); letter-spacing: .02em; }
.news-item h4 { font-size: 17px; margin: 0 0 5px; transition: color .2s; }
.news-item:hover h4 { color: var(--navy-800); }
.news-item p { font-size: 14px; color: var(--muted); margin: 0; }
.news-item .go { width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; color: var(--navy-800); transition: all .3s var(--ease); flex: none; }
.news-item:hover .go { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }
.news-item .go svg { width: 14px; height: 14px; }

.newscard { display: block; }
.newscard__art { aspect-ratio: 16/9; border-radius: 12px 12px 0 0; background: linear-gradient(140deg, var(--navy-800), var(--blue-600)); position: relative; overflow: hidden; }
.newscard__art::after { content: ""; position: absolute; top: 0; right: 0; bottom: 0; left: 0; background-image: radial-gradient(rgba(255,255,255,.2) 1px, transparent 1px); background-size: 14px 14px; }
.newscard__art b { position: absolute; left: 22px; bottom: 18px; color: #fff; font-size: 13px; letter-spacing: .16em; z-index: 2; font-family: var(--font-num); }
.newscard__body { padding: 26px 28px 30px; }
.newscard__body time { font-size: 13px; }
.newscard__body .h3 { margin: 8px 0 8px; }
/* 分类筛选后被隐藏的条目 */
.news-item[hidden], .newscard[hidden] { display: none; }
.news-empty { padding: 40px 4px; color: var(--muted); }

/* ---------- 13b. 新闻详情页 / Article ---------- */
.wrap--narrow { max-width: 860px; }
.page-hero--article h1 { max-width: 24ch; font-size: clamp(25px, 3vw, 38px); line-height: 1.32; }
html[lang="en"] .page-hero--article h1 { max-width: 34ch; }
.article-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px;
  margin-top: 18px; color: rgba(255,255,255,.72); font-size: 14px;
}
.article-meta time { font-family: var(--font-num); }
.article-meta .tag { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.24); color: #fff; }

.article { font-size: 16.5px; color: var(--ink-2); line-height: 1.86; }
.article > * + * { margin-top: 18px; }
.article h2 {
  font-size: 20px; color: var(--navy-800); line-height: 1.5;
  margin-top: 40px; padding-left: 14px; border-left: 3px solid var(--red-500);
}
.article ul { padding-left: 20px; list-style: disc; }
.article ul li + li { margin-top: 8px; }
.article ul::marker, .article li::marker { color: var(--blue-600); }
.article blockquote {
  margin-top: 24px; padding: 20px 24px; background: var(--bg-soft);
  border-left: 3px solid var(--blue-600); border-radius: 0 10px 10px 0;
  color: var(--navy-800); font-size: 17px;
}
.article .article-note {
  font-size: 14px; color: var(--muted); background: var(--bg-soft);
  border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; line-height: 1.72;
}
.article-dl { display: grid; gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.article-dl > div { display: grid; grid-template-columns: 170px 1fr; border-bottom: 1px solid var(--line-2); }
.article-dl > div:last-child { border-bottom: 0; }
.article-dl dt { padding: 14px 18px; background: var(--bg-soft); font-weight: 600; color: var(--navy-800); font-size: 14.5px; }
.article-dl dd { padding: 14px 18px; margin: 0; font-size: 15px; }
html[lang="en"] .article-dl > div { grid-template-columns: 210px 1fr; }
.article .table-wrap { margin-top: 22px; }
.article-origin { margin-top: 30px; }

.filelist { margin-top: 40px; }
.filelist h2 { margin-bottom: 16px; }
.filecard {
  display: flex; align-items: center; gap: 14px; padding: 16px 20px; margin-top: 10px;
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
  transition: all .25s var(--ease);
}
.filecard:hover { border-color: var(--blue-600); background: var(--blue-50); transform: translateX(3px); }
.filecard svg { width: 22px; height: 22px; color: var(--red-500); flex: none; }
.filecard span { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.filecard b { font-size: 15px; color: var(--navy-800); font-weight: 600; }
.filecard i { font-style: normal; font-size: 13px; color: var(--muted); font-family: var(--font-num); }

.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 54px; }
.article-nav__i {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px;
  transition: all .25s var(--ease); min-width: 0;
}
.article-nav__i:only-child { grid-column: 1 / -1; max-width: 50%; }
.article-nav__i--n { text-align: right; }
.article-nav__i:hover { border-color: var(--navy-800); background: var(--bg-soft); }
.article-nav__i span { display: block; font-size: 12.5px; color: var(--muted); letter-spacing: .06em; margin-bottom: 6px; }
.article-nav__i b { display: block; font-size: 15px; color: var(--navy-800); font-weight: 600; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- 13. 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 14.5px; }
thead th {
  background: var(--navy-800); color: #fff; font-weight: 600; text-align: left;
  padding: 15px 20px; white-space: nowrap; font-size: 14px; letter-spacing: .02em;
}
tbody td { padding: 15px 20px; border-bottom: 1px solid var(--line-2); color: var(--ink-2); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--blue-50); }
tbody td:first-child { font-weight: 600; color: var(--navy-800); white-space: nowrap; }

/* ---------- 14. 内页头 ---------- */
.page-hero {
  background:
    radial-gradient(760px 380px at 82% 10%, rgba(42,135,216,.36), transparent 64%),
    linear-gradient(140deg, var(--navy-900), var(--navy-800) 62%, #063563);
  color: #fff; padding: clamp(52px, 6vw, 82px) 0 clamp(46px, 5vw, 66px); position: relative; overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; top: 0; right: 0; bottom: 0; left: 0; opacity: .26;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='97' viewBox='0 0 56 97'%3E%3Cpath d='M28 0 56 16v32L28 64 0 48V16z' fill='none' stroke='%23ffffff' stroke-opacity='.2'/%3E%3C/svg%3E");
}
.page-hero .wrap { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; font-size: clamp(28px, 3.8vw, 46px); margin-bottom: 14px; }
.page-hero p { color: rgba(255,255,255,.74); max-width: 60ch; margin: 0; }
.crumb { font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: 20px; display: flex; gap: 9px; align-items: center; flex-wrap: wrap; }
.crumb a:hover { color: #fff; }
.crumb span { color: rgba(255,255,255,.34); }

/* 内页副导航 */
.subnav { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 76px; z-index: 60; }
.subnav ul { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.subnav ul::-webkit-scrollbar { display: none; }
.subnav a {
  display: block; padding: 17px 16px; font-size: 14.5px; color: var(--muted); white-space: nowrap;
  border-bottom: 2px solid transparent; transition: all .25s;
}
.subnav a:hover { color: var(--navy-800); }
.subnav a.is-on { color: var(--navy-800); font-weight: 600; border-bottom-color: var(--red-500); }

/* ---------- 15. CTA ---------- */
.cta {
  background: linear-gradient(120deg, var(--navy-800), var(--navy-600));
  color: #fff; border-radius: 18px; padding: clamp(38px, 5vw, 62px);
  display: flex; align-items: center; justify-content: space-between; gap: 36px; flex-wrap: wrap;
  position: relative; overflow: hidden;
}
.cta::after {
  content: ""; position: absolute; right: -8%; bottom: -60%; width: 44%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(218,37,28,.34), transparent 68%);
}
.cta h2 { color: #fff; margin-bottom: 8px; }
.cta p { color: rgba(255,255,255,.74); margin: 0; }
.cta > * { position: relative; z-index: 2; }

/* ---------- 16. 页脚 ---------- */
.site-footer { background: var(--navy-900); color: rgba(255,255,255,.6); padding-top: 68px; font-size: 14.5px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1.3fr; gap: 40px; padding-bottom: 52px; }
.site-footer h5 { color: #fff; font-size: 15px; font-weight: 600; margin: 0 0 18px; }
.site-footer li { margin-bottom: 11px; }
.site-footer a { transition: color .2s; }
.site-footer a:hover { color: var(--blue-400); }
.footer-about p { font-size: 14px; line-height: 1.8; margin: 20px 0 0; color: rgba(255,255,255,.52); max-width: 34ch; }
.footer-contact li { display: flex; gap: 10px; line-height: 1.6; }
.footer-contact svg { width: 15px; height: 15px; flex: none; margin-top: 5px; color: var(--blue-400); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0 30px;
  display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; font-size: 13px; color: rgba(255,255,255,.42);
}
.footer-bottom a:hover { color: rgba(255,255,255,.8); }

/* ---------- 17. 动效 ---------- */
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- 17b. 实景照片 / Photography ---------- */
.photo { margin: 0; border-radius: var(--radius); overflow: hidden; background: var(--navy-900); position: relative; }
.photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.photo--wide { aspect-ratio: 21 / 9; }
.photo--hero { aspect-ratio: 16 / 9; }
.photo--sq { aspect-ratio: 4 / 3; }
.photo figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 34px 26px 18px; color: #fff; font-size: 13.5px;
  background: linear-gradient(to top, rgba(2,29,58,.86), transparent);
}
.photo figcaption b { display: block; font-size: 15.5px; font-weight: 600; margin-bottom: 2px; }
.photo figcaption span { color: rgba(255,255,255,.72); font-family: var(--font-num); font-size: 12.5px; }

.photo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.photo-grid .photo { aspect-ratio: 3 / 2; }   /* 所有实景图已统一裁为 3:2 */

/* 建设历程：图文时间轴 */
.buildline { display: grid; gap: 20px; }
.buildstep {
  display: grid; grid-template-columns: 230px 1fr; gap: 26px; align-items: center;
  padding: 18px; border: 1px solid rgba(255,255,255,.14); border-radius: 14px;
  background: rgba(255,255,255,.05); transition: all .3s var(--ease);
}
.buildstep:hover { background: rgba(255,255,255,.09); border-color: rgba(92,169,232,.45); }
.buildstep .photo { aspect-ratio: 16 / 10; }
.buildstep time { font-family: var(--font-num); font-size: 13.5px; color: var(--blue-400); letter-spacing: .04em; }
.buildstep h4 { color: #fff; font-size: 17px; margin: 5px 0 6px; }
.buildstep p { margin: 0; font-size: 14.5px; color: rgba(255,255,255,.74); }
.buildstep--text { grid-template-columns: 1fr; }

@media (max-width: 980px) {
  .photo-grid { grid-template-columns: 1fr 1fr; }
  .buildstep { grid-template-columns: 1fr; gap: 16px; }
}
@media (max-width: 640px) {
  .photo-grid { grid-template-columns: 1fr; }
  .photo--wide { aspect-ratio: 3 / 2; }
}

/* ---------- 17c. 基地切换 / Base switcher ---------- */
.basetabs { display: flex; gap: 10px; margin-bottom: 34px; flex-wrap: wrap; }
.basetab {
  padding: 12px 28px; border-radius: 999px; font: inherit; font-size: 15px; font-weight: 600;
  border: 1px solid rgba(255,255,255,.24); background: rgba(255,255,255,.06); color: rgba(255,255,255,.72);
  cursor: pointer; transition: all .28s var(--ease); display: inline-flex; align-items: center; gap: 9px;
}
.basetab i { font-style: normal; font-size: 12px; letter-spacing: .1em; opacity: .7; font-family: var(--font-num); }
.basetab:hover { background: rgba(255,255,255,.14); color: #fff; }
.basetab.is-on { background: #fff; color: var(--navy-800); border-color: #fff; }
.basetab.is-on i { opacity: .55; }
.basepanel { display: none; }
.basepanel.is-on { display: block; animation: basefade .55s var(--ease) both; }
@keyframes basefade { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

.photo-pending {
  border: 1px dashed rgba(255,255,255,.28); border-radius: var(--radius); aspect-ratio: 21 / 9;
  display: grid; place-items: center; text-align: center; color: rgba(255,255,255,.5); font-size: 14px;
  background: rgba(255,255,255,.03);
}
.photo-pending svg { width: 30px; height: 30px; margin: 0 auto 10px; opacity: .55; }
@media (max-width: 640px) {
  .basetab { padding: 10px 18px; font-size: 14px; }
  .photo-pending { aspect-ratio: 3 / 2; }
}

/* ---------- 18. 证书墙 / Certificate wall ---------- */
.certs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cert {
  margin: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  background: #fff; cursor: zoom-in; transition: all .32s var(--ease);
}
.cert:hover { border-color: var(--blue-100); box-shadow: var(--shadow); transform: translateY(-4px); }
.cert__img { aspect-ratio: 4 / 3; background: var(--bg-soft); display: grid; place-items: center; padding: 14px; }
.cert__img img { max-width: 100%; max-height: 100%; width: auto; object-fit: contain; }
.cert figcaption { padding: 14px 16px; border-top: 1px solid var(--line-2); }
.cert figcaption b { display: block; font-size: 14.5px; color: var(--ink); font-weight: 600; line-height: 1.45; }
.cert figcaption span { display: block; font-size: 12.5px; color: var(--muted); margin-top: 4px; font-family: var(--font-num); }

.lightbox {
  position: fixed; top: 0; right: 0; bottom: 0; left: 0; z-index: 200; background: rgba(2, 29, 58, .93);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); display: none; place-items: center; padding: 40px 24px;
}
.lightbox.is-open { display: grid; }
.lightbox figure { margin: 0; max-width: 100%; }
.lightbox img { max-width: min(94vw, 880px); max-height: 84vh; object-fit: contain; border-radius: 8px; background: #fff; }
.lightbox figcaption { color: rgba(255,255,255,.9); text-align: center; margin-top: 18px; font-size: 14.5px; }
.lightbox__close {
  position: absolute; top: 22px; right: 26px; width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.32); background: rgba(255,255,255,.1); color: #fff;
  cursor: pointer; display: grid; place-items: center; transition: all .25s;
}
.lightbox__close:hover { background: rgba(255,255,255,.22); }
.lightbox__close svg { width: 18px; height: 18px; }

/* ---------- 19. 英文站微调 / English site adjustments ---------- */
html[lang="en"] {
  --font: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}
html[lang="en"] body { line-height: 1.68; }
html[lang="en"] .h1, html[lang="en"] .h2 { letter-spacing: -.022em; }
html[lang="en"] .brand__text b { letter-spacing: .16em; }
html[lang="en"] .brand__text i { font-size: 9.5px; letter-spacing: .14em; }
html[lang="en"] .milestone { grid-template-columns: 128px 1fr; }
html[lang="en"] .news-item time { letter-spacing: 0; }
html[lang="en"] .topbar { font-size: 12.5px; }
html[lang="en"] .nav__link { font-size: 15px; }
@media (max-width: 980px) {
  html[lang="en"] .milestone { grid-template-columns: 1fr; gap: 6px; }
}

/* ---------- 19. 响应式 ---------- */
@media (max-width: 1120px) {
  .nav__link { padding: 27px 11px; font-size: 15px; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; }
  .footer-about { grid-column: 1 / -1; }
}
@media (max-width: 980px) {
  .nav { height: 66px; }
  .subnav { top: 66px; }
  .nav__toggle { display: grid; }
  .nav__cta .btn { display: none; }
  .nav__list {
    position: absolute; top: 100%; right: 0; left: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 10px 20px 26px;
    max-height: calc(100vh - 66px); overflow-y: auto;
    transform: translateY(-12px); opacity: 0; visibility: hidden; transition: all .3s var(--ease);
    box-shadow: 0 26px 40px -26px rgba(2,29,58,.5);
  }
  .nav__list.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__link { padding: 15px 4px; border-bottom: 1px solid var(--line-2); font-size: 16px; }
  .nav__link::after { display: none; }
  .nav__drop {
    position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none;
    border: 0; padding: 6px 0 12px 14px; display: none; min-width: 0;
  }
  .nav__item.is-open .nav__drop { display: block; }
  .nav__item.is-open > .nav__link { color: var(--navy-800); font-weight: 600; }

  .hero__inner { grid-template-columns: 1fr; gap: 44px; }
  .hero__visual { max-width: 420px; margin: 0 auto; width: 100%; }
  .hero__chip--c { display: none; }
  .statband__grid { grid-template-columns: repeat(2, 1fr); }
  .statband__grid > div { border-bottom: 1px solid rgba(255,255,255,.12); }
  .grid--3, .grid--4, .apps { grid-template-columns: repeat(2, 1fr); }
  .split, .split--wide { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 980px) {
  .certs { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  .certs { grid-template-columns: 1fr 1fr; gap: 14px; }
  .cert figcaption { padding: 11px 12px; }
  .cert figcaption b { font-size: 13px; }
  .topbar__meta span.hide-sm { display: none; }
  .grid--2, .grid--3, .grid--4, .apps { grid-template-columns: 1fr; }
  .statband__grid { grid-template-columns: 1fr 1fr; }
  .hero__stats { gap: 26px; }
  .pcard { grid-template-columns: 1fr; }
  .pcard__art { aspect-ratio: 2.4; }
  .pcard__body { padding: 28px 24px; }
  .card { padding: 28px 24px; }
  .news-item { grid-template-columns: 1fr; gap: 8px; padding: 22px 4px; }
  .news-item .go { display: none; }
  .newscard__body { padding: 22px 22px 26px; }
  .article { font-size: 16px; }
  .article h2 { font-size: 18.5px; margin-top: 32px; }
  .article blockquote { padding: 16px 18px; font-size: 16px; }
  .article-dl > div, html[lang="en"] .article-dl > div { grid-template-columns: 1fr; }
  .article-dl dt { padding: 12px 16px 4px; background: none; }
  .article-dl dd { padding: 0 16px 14px; }
  .article-nav { grid-template-columns: 1fr; }
  .article-nav__i--n { text-align: left; }
  .article-nav__i:only-child { max-width: none; }
  .filecard { padding: 14px 16px; gap: 12px; }
  .cta { padding: 32px 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .apps { border-radius: 12px; }
}

/* ==========================================================================
   20. 老浏览器兼容 / Legacy WebView fallbacks
   目标：微信内置浏览器（Android X5 内核常年落后主线）、iOS 14 以下 Safari、
        企业内网仍在用的旧版 Edge/360/QQ 浏览器。
   注意：本文件其余部分不得再使用 inset / :is() / :has() / color-mix() 等新语法，
        老内核遇到不认识的属性会整条丢弃，布局会直接塌掉。
   ========================================================================== */

/* aspect-ratio 需要 Chrome 88+ / iOS Safari 15+。不支持时高度会塌成 0，
   图片、证书、渐变图块全部看不见——下面给出等效的高度兜底。 */
@supports not (aspect-ratio: 3 / 2) {
  /* 实景照片：让图片自己撑开高度（站内图片已统一裁成 3:2，观感几乎一致） */
  .photo img { height: auto; }
  .photo { min-height: 0; }

  .hero__visual { min-height: 300px; }
  .newscard__art { height: 190px; }
  .cert__img { height: 200px; }
  .photo-pending { min-height: 200px; }
  .pcard__art { min-height: 210px; }
  .buildstep .photo img { height: auto; }
}

/* flex 布局的 gap 需要 iOS Safari 14.1+ / Chrome 84+。
   不支持时下面这几处会挤成一团，用 margin 兜底。 */
@supports not (gap: 1px) {
  .topbar__meta > * + * { margin-left: 22px; }
  .hero__stats > * { margin-right: 40px; }
  .btn-row > * + * { margin-left: 14px; }
  .subnav li + li { margin-left: 4px; }
  .article-meta > * + * { margin-left: 16px; }
  .filecard > * + * { margin-left: 14px; }
  .crumb > * + * { margin-left: 9px; }
}

/* JS 没跑起来时的兜底：main.js 会给 <html> 加 .js；加不上说明脚本挂了，
   这时手机端菜单直接常驻展开，保证还能点进各个栏目。 */
@media (max-width: 980px) {
  html:not(.js) .nav__list { position: static; opacity: 1; visibility: visible; transform: none;
    max-height: none; box-shadow: none; padding-top: 0; }
  html:not(.js) .nav__toggle { display: none; }
  html:not(.js) .nav__drop { position: static; opacity: 1; visibility: visible; transform: none;
    display: block; box-shadow: none; border: 0; padding: 4px 0 10px 14px; }
}