/* 北京菁苗健康科技有限公司 · 官网样式
   设计语言：深空蓝底 + 青蓝渐变 + 玻璃质感卡片 */

:root {
  --navy-900: #04091c;
  --navy-800: #070f28;
  --navy-700: #0b1738;
  --navy-600: #10214d;
  --line: rgba(255, 255, 255, .09);
  --line-strong: rgba(255, 255, 255, .16);
  --text: #eaf0ff;
  --text-mid: rgba(234, 240, 255, .72);
  --text-dim: rgba(234, 240, 255, .48);
  --blue: #2f6bff;
  --blue-light: #5b8cff;
  --cyan: #17d2c3;
  --violet: #7b5cff;
  --grad-brand: linear-gradient(120deg, #2f6bff 0%, #17d2c3 100%);
  --grad-warm: linear-gradient(120deg, #7b5cff 0%, #2f6bff 100%);
  --radius: 18px;
  --radius-lg: 26px;
  --shadow: 0 30px 80px -30px rgba(0, 0, 0, .75);
  --max: 1240px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--navy-900);
  color: var(--text);
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 32px; }

/* ---------- 通用排版 ---------- */
.eyebrow {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 600;
}

h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -.01em; line-height: 1.25; }
h1 { font-size: clamp(38px, 5.2vw, 66px); }
h2 { font-size: clamp(28px, 3.4vw, 42px); }
h3 { font-size: 20px; }

.section { padding: 130px 0; position: relative; }
.section--tint { background: linear-gradient(180deg, var(--navy-900), var(--navy-800) 45%, var(--navy-900)); }

.section-head { max-width: 760px; margin-bottom: 68px; }
.section-head h2 + p { margin: 20px 0 0; color: var(--text-mid); font-size: 17px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
  white-space: nowrap;
}
.btn--primary { background: var(--grad-brand); color: #041022; box-shadow: 0 16px 40px -14px rgba(47, 107, 255, .8); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 22px 52px -14px rgba(47, 107, 255, .95); }
.btn--ghost { border-color: var(--line-strong); color: var(--text); background: rgba(255, 255, 255, .04); }
.btn--ghost:hover { background: rgba(255, 255, 255, .1); transform: translateY(-2px); }
.btn--sm { padding: 10px 20px; font-size: 14px; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 100;
  transition: background .35s var(--ease), border-color .35s var(--ease), backdrop-filter .35s;
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(4, 9, 28, .82);
  backdrop-filter: blur(22px) saturate(160%);
  border-bottom-color: var(--line);
}
.nav__inner { display: flex; align-items: center; gap: 40px; height: 78px; }

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand__mark {
  width: 38px; height: 38px; border-radius: 11px;
  background: var(--grad-brand);
  display: grid; place-items: center;
  font-weight: 800; font-size: 17px; color: #04122a;
  box-shadow: 0 10px 26px -10px rgba(23, 210, 195, .8);
}
.brand__text strong { display: block; font-size: 16px; line-height: 1.35; letter-spacing: .02em; }
.brand__text small { display: block; font-size: 12px; letter-spacing: .14em; color: var(--text-dim); }

.nav__links { display: flex; gap: 6px; margin-left: auto; }
.nav__links a {
  padding: 9px 16px; border-radius: 999px; font-size: 15px; color: var(--text-mid);
  transition: color .25s, background .25s;
}
.nav__links a:hover, .nav__links a.is-active { color: var(--text); background: rgba(255, 255, 255, .07); }

.nav__toggle {
  display: none; margin-left: auto; width: 42px; height: 42px;
  border-radius: 12px; border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, .05); color: var(--text); cursor: pointer;
  font-size: 18px; line-height: 1;
}

/* ---------- Hero ---------- */
.hero { position: relative; padding: 190px 0 110px; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; }
.hero__orb--a { width: 620px; height: 620px; top: -220px; right: -140px; background: radial-gradient(circle, #2f6bff, transparent 70%); }
.hero__orb--b { width: 520px; height: 520px; bottom: -240px; left: -120px; background: radial-gradient(circle, #17d2c3, transparent 70%); opacity: .34; }
.hero__orb--c { width: 420px; height: 420px; top: 120px; left: 42%; background: radial-gradient(circle, #7b5cff, transparent 70%); opacity: .26; }
.hero__grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 20%, #000 25%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 20%, #000 25%, transparent 78%);
  opacity: .7;
}
.hero__inner { position: relative; z-index: 1; }
.hero h1 { max-width: 15em; }
.hero h1 em { font-style: normal; background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__lead { margin: 28px 0 0; max-width: 44em; font-size: 18px; color: var(--text-mid); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 44px; }

.hero__metrics {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  margin-top: 90px; border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: var(--line); overflow: hidden;
}
.hero__metrics div { background: rgba(7, 15, 40, .82); padding: 30px 28px; backdrop-filter: blur(10px); }
.hero__metrics strong { display: block; font-size: 38px; line-height: 1.1; background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__metrics span { display: block; margin-top: 8px; font-size: 15px; font-weight: 600; }
.hero__metrics small { display: block; margin-top: 4px; font-size: 12.5px; color: var(--text-dim); }

/* ---------- 双主业 ---------- */
.pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.pillar {
  position: relative; padding: 44px 40px 40px; border-radius: var(--radius-lg);
  border: 1px solid var(--line); overflow: hidden;
  background: linear-gradient(160deg, rgba(47, 107, 255, .14), rgba(7, 15, 40, .5) 55%);
  transition: transform .45s var(--ease), border-color .45s;
}
.pillar:nth-child(2) { background: linear-gradient(160deg, rgba(123, 92, 255, .16), rgba(7, 15, 40, .5) 55%); }
.pillar:hover { transform: translateY(-6px); border-color: var(--line-strong); }
.pillar__no { font-size: 12px; letter-spacing: .26em; color: var(--cyan); font-weight: 600; }
.pillar h3 { margin: 16px 0 14px; font-size: 26px; }
.pillar p { margin: 0 0 26px; color: var(--text-mid); }
.pillar__list { display: grid; gap: 10px; margin-bottom: 32px; }
.pillar__list li { display: flex; gap: 11px; font-size: 14.5px; color: var(--text-mid); }
.pillar__list li::before { content: ''; flex-shrink: 0; width: 6px; height: 6px; margin-top: 10px; border-radius: 50%; background: var(--grad-brand); }

/* ---------- 分组 / 标签切换 ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 46px; }
.tab {
  padding: 11px 22px; border-radius: 999px; font-size: 14.5px; font-weight: 600;
  border: 1px solid var(--line); background: rgba(255, 255, 255, .03);
  color: var(--text-mid); cursor: pointer; transition: all .28s var(--ease);
}
.tab:hover { color: var(--text); border-color: var(--line-strong); }
.tab.is-active { color: #04122a; background: var(--grad-brand); border-color: transparent; }
.tab span { opacity: .7; font-weight: 500; margin-left: 6px; font-size: 13px; }

.group__intro { margin: 0 0 38px; max-width: 62em; color: var(--text-mid); }

/* ---------- 系统卡片 ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 26px; }
.card {
  display: flex; flex-direction: column; overflow: hidden;
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: linear-gradient(170deg, rgba(16, 33, 77, .55), rgba(7, 15, 40, .75));
  transition: transform .45s var(--ease), border-color .45s, box-shadow .45s;
}
.card:hover { transform: translateY(-7px); border-color: rgba(23, 210, 195, .4); box-shadow: var(--shadow); }
.card__shot {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden;
  background: linear-gradient(140deg, #0d1a3d, #071026);
  border-bottom: 1px solid var(--line);
}
.card__shot img { width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform .7s var(--ease); }
.card:hover .card__shot img { transform: scale(1.05); }
.card__mock { width: 100%; height: 100%; display: block; transition: transform .7s var(--ease); }
.card:hover .card__mock { transform: scale(1.04); }
.card__shot--empty { display: grid; place-items: center; color: var(--text-dim); font-size: 13px; }
.card__no {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  padding: 5px 12px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .08em;
  background: rgba(4, 9, 28, .78); border: 1px solid var(--line-strong); backdrop-filter: blur(8px);
}
.card__body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.card__body h3 { font-size: 18.5px; line-height: 1.45; }
.card__body p { margin: 12px 0 18px; font-size: 14.5px; color: var(--text-mid); flex: 1; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.tags span {
  padding: 5px 12px; border-radius: 8px; font-size: 12.5px; color: var(--text-mid);
  background: rgba(47, 107, 255, .12); border: 1px solid rgba(47, 107, 255, .22);
}
.card__foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-top: 18px; border-top: 1px solid var(--line); }
.card__foot small { font-size: 12.5px; color: var(--text-dim); }
.card__link { font-size: 14px; font-weight: 600; color: var(--cyan); display: inline-flex; align-items: center; gap: 6px; }
.card__link:hover { gap: 11px; }
.card__link::after { content: '→'; transition: transform .3s var(--ease); }

/* ---------- 糖化合物：目录表 ---------- */
.catalog__bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px;
  margin-bottom: 26px; padding: 18px 22px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(7, 15, 40, .6);
}
.search {
  flex: 1; min-width: 230px; display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(255, 255, 255, .04);
}
.search input {
  flex: 1; min-height: 34px; border: 0; background: transparent; color: var(--text);
  font-size: 14.5px; font-family: inherit; outline: none;
}
.search input::placeholder { color: var(--text-dim); }
.catalog__count { font-size: 13.5px; color: var(--text-dim); }

.table-wrap { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: rgba(7, 15, 40, .55); }
.table-scroll { overflow-x: auto; }
table.catalog { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 860px; }
table.catalog thead th {
  position: sticky; top: 0; z-index: 2;
  padding: 15px 20px; text-align: left; font-size: 12.5px; font-weight: 700;
  letter-spacing: .06em; color: var(--text-mid); text-transform: uppercase;
  background: rgba(11, 23, 56, .96); border-bottom: 1px solid var(--line-strong);
  backdrop-filter: blur(10px); white-space: nowrap;
}
table.catalog tbody td { padding: 15px 20px; border-bottom: 1px solid rgba(255, 255, 255, .05); vertical-align: top; }
table.catalog tbody tr:last-child td { border-bottom: 0; }
table.catalog tbody tr { transition: background .25s; }
table.catalog tbody tr:hover { background: rgba(47, 107, 255, .07); }
.mono { font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; font-size: 13px; letter-spacing: .01em; }
.cell-name strong { display: block; font-size: 14.5px; font-weight: 600; }
.cell-name small { display: block; margin-top: 4px; font-size: 12.5px; color: var(--text-dim); line-height: 1.55; }
.pill {
  display: inline-block; padding: 3px 10px; border-radius: 7px; font-size: 12px; font-weight: 600; white-space: nowrap;
}
.pill--stock { background: rgba(23, 210, 195, .14); color: var(--cyan); border: 1px solid rgba(23, 210, 195, .3); }
.pill--purity { background: rgba(255, 255, 255, .06); color: var(--text-mid); border: 1px solid var(--line); }
.pill--flag { background: rgba(255, 176, 32, .14); color: #ffc457; border: 1px solid rgba(255, 176, 32, .3); }
.empty-row td { padding: 46px 20px; text-align: center; color: var(--text-dim); }
.catalog__note { margin: 18px 0 0; font-size: 13.5px; color: var(--text-dim); }

/* ---------- 特性 / 服务网格 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 22px; }
.feature {
  padding: 32px 30px; border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: rgba(7, 15, 40, .55); transition: transform .4s var(--ease), border-color .4s;
}
.feature:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.feature__icon {
  width: 44px; height: 44px; border-radius: 13px; margin-bottom: 20px;
  display: grid; place-items: center; font-size: 18px; font-weight: 700; color: #04122a;
  background: var(--grad-brand);
}
.feature h3 { font-size: 17.5px; }
.feature p { margin: 12px 0 0; font-size: 14.5px; color: var(--text-mid); }
.feature small { display: block; margin-top: 10px; font-size: 12.5px; color: var(--text-dim); }

.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips span {
  padding: 9px 17px; border-radius: 999px; font-size: 13.5px; color: var(--text-mid);
  border: 1px solid var(--line); background: rgba(255, 255, 255, .035);
}
.chips--accent span { color: var(--text); border-color: rgba(23, 210, 195, .3); background: rgba(23, 210, 195, .1); }

/* ---------- 联系 ---------- */
.contact-panel {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 0;
  border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  background: linear-gradient(140deg, rgba(47, 107, 255, .16), rgba(7, 15, 40, .7) 60%);
}
.contact-panel__main { padding: 56px 50px; }
.contact-panel__main h2 { font-size: clamp(26px, 3vw, 36px); }
.contact-panel__main p { margin: 18px 0 0; color: var(--text-mid); max-width: 34em; }
.contact-list { display: grid; gap: 2px; margin-top: 38px; }
.contact-list div { display: flex; align-items: baseline; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.contact-list dt, .contact-list .k { flex-shrink: 0; width: 88px; font-size: 13px; color: var(--text-dim); }
.contact-list .v { font-size: 16px; font-weight: 600; }
.contact-list a.v:hover { color: var(--cyan); }
.contact-panel__side {
  padding: 56px 44px; border-left: 1px solid var(--line);
  background: rgba(4, 9, 28, .45); display: flex; flex-direction: column; gap: 22px;
}
.contact-panel__side h3 { font-size: 16px; }
.contact-panel__side ul { display: grid; gap: 13px; }
.contact-panel__side li { display: flex; gap: 11px; font-size: 14px; color: var(--text-mid); }
.contact-panel__side li::before { content: '✓'; color: var(--cyan); font-weight: 700; flex-shrink: 0; }

/* ---------- 页脚 ---------- */
.footer { padding: 72px 0 40px; border-top: 1px solid var(--line); background: var(--navy-800); }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 44px; padding-bottom: 44px; border-bottom: 1px solid var(--line); }
.footer__top p { margin: 18px 0 0; font-size: 14px; color: var(--text-mid); max-width: 30em; }
.footer h4 { font-size: 14px; margin-bottom: 18px; }
.footer__links { display: grid; gap: 4px; }
.footer__links a {
  display: flex; align-items: center; min-height: 36px;
  font-size: 14px; color: var(--text-mid);
}
.footer__links a:hover { color: var(--cyan); }
.footer__bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px;
  padding-top: 28px; font-size: 13px; color: var(--text-dim);
}

/* ---------- 滚动进场 ----------
   只有在 JS 成功接管（html.reveal-on）时才隐藏元素，
   避免 JS 失效或观察器未触发时内容整块不可见。 */
.reveal-on [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal-on [data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal-on [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ---------- 系统卡片：图片区 ---------- */
.card__pic {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden;
  background: #0a1430; border-bottom: 1px solid var(--line);
}
.card__pic img {
  width: 100%; height: 100%; object-fit: cover; object-position: top left;
  transition: transform .7s var(--ease);
}
.card:hover .card__pic img { transform: scale(1.06); }
.card__pic--zoom { cursor: zoom-in; }
.card__pic__tag {
  position: absolute; bottom: 12px; left: 14px; z-index: 2;
  padding: 5px 12px; border-radius: 8px; font-size: 12px; font-weight: 600;
  background: rgba(4, 9, 28, .82); border: 1px solid var(--line-strong);
  backdrop-filter: blur(8px); color: var(--text);
}

/* 无截图时的模块图：明确是图示，不模拟界面 */
.card__map {
  position: relative; aspect-ratio: 16 / 7; min-height: 220px; overflow: hidden;
  padding: 24px 26px; border-bottom: 1px solid var(--line);
  background:
    linear-gradient(160deg, rgba(47, 107, 255, .13), rgba(7, 15, 40, .7) 60%),
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px) 0 0 / 100% 30px,
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px) 0 0 / 30px 100%;
}
.card__map__wm {
  position: absolute; right: 16px; bottom: -14px; z-index: 0;
  font-size: 96px; font-weight: 800; line-height: 1;
  color: rgba(255, 255, 255, .045); letter-spacing: -.04em;
}
.card__map__label {
  position: relative; z-index: 1; margin-bottom: 14px;
  font-size: 12px; letter-spacing: .16em; color: var(--cyan); font-weight: 700;
}
.card__map__chips { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 7px; }
.card__map__chips span {
  padding: 5px 11px; border-radius: 8px; font-size: 12.5px; color: var(--text-mid);
  background: rgba(255, 255, 255, .06); border: 1px solid var(--line);
}
.card__map__chips span.lead {
  color: #04122a; font-weight: 600; background: var(--grad-brand); border-color: transparent;
}

/* ---------- 系统卡片：功能模块清单 ---------- */
.card--rich { padding: 30px 28px 28px; }
.card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.card__idx {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 13px;
  display: grid; place-items: center; font-size: 15px; font-weight: 800; letter-spacing: .02em;
  color: #04122a; background: var(--grad-brand);
}
.card__badge {
  flex-shrink: 0; padding: 4px 11px; border-radius: 7px; font-size: 12px; font-weight: 600;
  color: var(--cyan); background: rgba(23, 210, 195, .12); border: 1px solid rgba(23, 210, 195, .28);
}
.card--rich h3 { font-size: 19px; line-height: 1.45; }
.card--rich > p { margin: 14px 0 18px; font-size: 14.5px; color: var(--text-mid); }
.card__hl {
  display: flex; gap: 11px; margin: 0 0 20px; padding: 13px 16px;
  border-radius: 12px; font-size: 13.5px; line-height: 1.65; color: var(--text-mid);
  background: rgba(47, 107, 255, .09); border: 1px solid rgba(47, 107, 255, .2);
}
.card__hl::before { content: '▸'; color: var(--cyan); flex-shrink: 0; font-weight: 700; }
.mods { margin-bottom: 20px; }
.mods__label { font-size: 12px; letter-spacing: .14em; color: var(--text-dim); margin-bottom: 11px; text-transform: uppercase; }
.mods__list { display: flex; flex-wrap: wrap; gap: 7px; }
.mods__list span {
  padding: 5px 11px; border-radius: 8px; font-size: 12.5px; color: var(--text-mid);
  background: rgba(255, 255, 255, .05); border: 1px solid var(--line);
}
.mods__list span.more { color: var(--cyan); background: transparent; border-color: rgba(23, 210, 195, .3); }

@media (max-width: 860px) {
  .card__map { aspect-ratio: 16 / 8; min-height: 190px; }
  .card--rich { padding: 24px 22px 24px; }
  .card--rich h3 { font-size: 18px; }
  .card--rich > p { font-size: 14px; }
}

/* ---------- 界面一览 / 画廊 ---------- */
.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.shot {
  border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  background: rgba(7, 15, 40, .6); transition: transform .45s var(--ease), border-color .45s, box-shadow .45s;
}
.shot:hover { transform: translateY(-5px); border-color: rgba(23, 210, 195, .38); box-shadow: var(--shadow); }
.shot__frame {
  position: relative; margin: 0; cursor: zoom-in; background: #0a1430;
  border-bottom: 1px solid var(--line);
}
.shot__bar {
  display: flex; align-items: center; gap: 7px; padding: 11px 16px;
  background: rgba(4, 9, 28, .7); border-bottom: 1px solid var(--line);
}
.shot__bar i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .18); }
.shot__bar span { margin-left: 8px; font-size: 12px; color: var(--text-dim); letter-spacing: .04em; }
.shot__frame img { width: 100%; height: auto; display: block; }
.shot__body { padding: 22px 26px 26px; }
.shot__body h3 { font-size: 17px; }
.shot__body p { margin: 10px 0 0; font-size: 14px; color: var(--text-mid); }

/* 灯箱 */
.lightbox {
  position: fixed; inset: 0; z-index: 200; display: none;
  align-items: center; justify-content: center; padding: 40px;
  background: rgba(2, 5, 16, .93); backdrop-filter: blur(8px);
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 100%; max-height: 86vh; border-radius: 12px; border: 1px solid var(--line-strong); }
.lightbox__cap { position: absolute; bottom: 22px; left: 0; right: 0; text-align: center; font-size: 14px; color: var(--text-mid); }
.lightbox__close {
  position: absolute; top: 22px; right: 26px; width: 44px; height: 44px;
  border-radius: 12px; border: 1px solid var(--line-strong); cursor: pointer;
  background: rgba(255, 255, 255, .06); color: var(--text); font-size: 20px; line-height: 1;
}
.lightbox__close:hover { background: rgba(255, 255, 255, .13); }

/* ---------- 流程步骤 ---------- */
.steps { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.steps--row { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.step { background: rgba(7, 15, 40, .78); padding: 30px 26px; }
.step__no {
  display: inline-block; margin-bottom: 15px; font-size: 12px; font-weight: 700; letter-spacing: .16em;
  color: var(--cyan);
}
.step h3 { font-size: 16.5px; }
.step p { margin: 11px 0 0; font-size: 14px; color: var(--text-mid); }
.step .tags { margin: 16px 0 0; }

/* ---------- 场景卡 ---------- */
.scene {
  padding: 32px 30px; border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: linear-gradient(165deg, rgba(47, 107, 255, .1), rgba(7, 15, 40, .55) 60%);
  transition: transform .4s var(--ease), border-color .4s;
}
.scene:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.scene__icon {
  width: 42px; height: 42px; border-radius: 12px; margin-bottom: 18px;
  display: grid; place-items: center; font-size: 17px; font-weight: 700; color: #04122a;
  background: var(--grad-brand);
}
.scene h3 { font-size: 17.5px; }
.scene p { margin: 12px 0 16px; font-size: 14.5px; color: var(--text-mid); }
.scene ul { display: grid; gap: 9px; }
.scene li { display: flex; gap: 10px; font-size: 13.5px; color: var(--text-dim); }
.scene li::before { content: ''; flex-shrink: 0; width: 5px; height: 5px; margin-top: 9px; border-radius: 50%; background: var(--cyan); }

/* ---------- 数据带 ---------- */
.stat-band {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: var(--line);
}
.stat-band > div { background: rgba(7, 15, 40, .8); padding: 32px 28px; }
.stat-band strong {
  display: block; font-size: 34px; line-height: 1.1;
  background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-band span { display: block; margin-top: 10px; font-size: 15px; font-weight: 600; }
.stat-band small { display: block; margin-top: 5px; font-size: 12.5px; color: var(--text-dim); }

/* ---------- FAQ ---------- */
.faq { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: rgba(7, 15, 40, .5); }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:last-child { border-bottom: 0; }
.faq summary {
  display: flex; align-items: center; gap: 16px; padding: 24px 28px;
  font-size: 16px; font-weight: 600; cursor: pointer; list-style: none;
  transition: background .25s, color .25s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+'; margin-left: auto; flex-shrink: 0; font-size: 22px; font-weight: 400;
  color: var(--cyan); transition: transform .3s var(--ease);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:hover { background: rgba(255, 255, 255, .035); color: var(--cyan); }
.faq__a { padding: 0 28px 26px; margin: 0; font-size: 14.5px; color: var(--text-mid); max-width: 60em; }

/* ---------- 目录页增强 ---------- */
.catalog__actions { display: flex; gap: 8px; flex-wrap: wrap; }
.chip-btn {
  padding: 9px 16px; border-radius: 999px; font-size: 13px; font-weight: 600; cursor: pointer;
  border: 1px solid var(--line); background: rgba(255, 255, 255, .04); color: var(--text-mid);
  transition: all .25s var(--ease); font-family: inherit;
}
.chip-btn:hover { color: var(--text); border-color: var(--line-strong); }
.chip-btn.is-on { color: #04122a; background: var(--grad-brand); border-color: transparent; }
.select {
  display: flex; align-items: center; gap: 8px; min-height: 36px;
  padding: 0 14px 0 16px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(255, 255, 255, .04);
  transition: border-color .25s var(--ease);
}
.select:hover { border-color: var(--line-strong); }
.select.is-on { border-color: var(--cyan); }
.select__label { font-size: 12px; letter-spacing: .12em; color: var(--text-dim); font-weight: 700; }
.select select {
  min-height: 34px; border: 0; background: transparent; color: var(--text);
  font-size: 13px; font-weight: 600; font-family: inherit; outline: none; cursor: pointer;
}
.select select option { background: #0b1738; color: var(--text); }
.matrix__bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px;
  margin-bottom: 22px; padding: 18px 22px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(7, 15, 40, .6);
}
.cat-head { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 22px; margin-bottom: 40px; }
.cat-card {
  padding: 30px 28px; border: 1px solid var(--line); border-radius: var(--radius-lg);
  background: linear-gradient(165deg, rgba(23, 210, 195, .1), rgba(7, 15, 40, .55) 60%);
}
.cat-card__no { font-size: 12px; letter-spacing: .2em; color: var(--cyan); font-weight: 700; }
.cat-card h3 { margin: 12px 0 6px; font-size: 20px; }
.cat-card__en { font-size: 12.5px; color: var(--text-dim); letter-spacing: .04em; }
.cat-card p { margin: 16px 0 0; font-size: 14px; color: var(--text-mid); }
.cat-card__meta { display: flex; gap: 20px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.cat-card__meta div strong { display: block; font-size: 22px; color: var(--text); }
.cat-card__meta div small { font-size: 12px; color: var(--text-dim); }

/* ---------- 通用双列文字块 ---------- */
.prose-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; }
.prose-cols h3 { font-size: 18px; margin-bottom: 14px; }
.prose-cols p { margin: 0 0 14px; font-size: 15px; color: var(--text-mid); }
.prose-cols p:last-child { margin-bottom: 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero__metrics { grid-template-columns: repeat(2, 1fr); }
  .pillars { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .stat-band { grid-template-columns: repeat(2, 1fr); }
  .contact-panel { grid-template-columns: 1fr; }
  .contact-panel__side { border-left: 0; border-top: 1px solid var(--line); }
  .footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .container { padding: 0 22px; }
  .section { padding: 88px 0; }
  .hero { padding: 150px 0 80px; }
  .nav__toggle { display: block; }
  .nav__links {
    position: absolute; top: 78px; left: 22px; right: 22px;
    flex-direction: column; gap: 4px; padding: 14px;
    border: 1px solid var(--line); border-radius: var(--radius);
    background: rgba(4, 9, 28, .96); backdrop-filter: blur(20px);
    display: none;
  }
  .nav__links.is-open { display: flex; }
  .nav__links a { padding: 12px 14px; }
  .contact-panel__main, .contact-panel__side { padding: 38px 26px; }
  .footer__top { grid-template-columns: 1fr; gap: 32px; }
  .cards { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .stat-band { grid-template-columns: 1fr; }
  .lightbox { padding: 18px; }
  .faq summary { padding: 20px 20px; font-size: 15px; }
  .faq__a { padding: 0 20px 22px; }
}

@media (max-width: 520px) {
  .hero__metrics { grid-template-columns: 1fr; }
}