/* ==========================================================================
   XHMH-WZ · North America Strategic Center
   设计系统 (Design Tokens + Components)
   目标风格：白底 / 大留白 / 大字 / 极少颜色 / 细线 / 微动效
   ========================================================================== */

/* ---------- 1. 颜色 · 只有五个 ---------- */
:root {
  --ink:        #0B0C0E;   /* 墨黑：正文、按钮、页脚 */
  --ink-soft:   #16181D;   /* 墨黑浅一档：悬停 */
  --paper:      #FFFFFF;   /* 纯白：主底 */
  --mist:       #F5F6F8;   /* 极浅灰：交替区块底 */
  --line:       #E6E8EC;   /* 细分割线 */
  --muted:      #6B7280;   /* 灰字：说明、辅助信息 */
  --text:       #1A1C20;   /* 正文色 */
  --indigo:     #2B4CF0;   /* 唯一的重点色 */
  --indigo-600: #1F3AD0;   /* 重点色按下/悬停 */
  --gold:       #C7A265;   /* 暖金：仅字标、年份、荣誉类小标签 */
  --gold-soft:  #F3EADA;

  /* ---------- 2. 圆角与阴影 ---------- */
  --r-card: 16px;
  --r-img:  14px;
  --r-pill: 999px;
  --shadow-1: 0 1px 2px rgba(11, 12, 14, .04);
  --shadow-2: 0 12px 32px -12px rgba(11, 12, 14, .18);
  --shadow-3: 0 24px 60px -20px rgba(11, 12, 14, .28);

  /* ---------- 3. 版心与节奏 ---------- */
  --max: 1200px;
  --pad: clamp(20px, 4vw, 40px);
  --section: clamp(72px, 9vw, 140px);   /* 区块上下留白 */

  /* ---------- 4. 字体 ---------- */
  --font: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont,
          "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* ---------- 5. 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.wrap { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: var(--pad); }

.section { padding-block: var(--section); }
.section--mist { background: var(--mist); }
.section--ink  { background: var(--ink); color: #fff; }
.section--tight { padding-block: clamp(40px, 5vw, 64px); }

/* ---------- 6. 字阶：全站只有四档 ---------- */
.display {
  font-size: clamp(44px, 8.5vw, 128px);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin: 0;
}

.h2 {
  font-size: clamp(30px, 4vw, 50px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin: 0;
}

.h3 {
  font-size: clamp(18px, 1.6vw, 21px);
  font-weight: 650;
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin: 0;
}

.lead {
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
}

.body { font-size: 16.5px; line-height: 1.85; color: var(--muted); margin: 0; }

.eyebrow {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.small { font-size: 13.5px; line-height: 1.7; color: var(--muted); margin: 0; }

.gold { color: var(--gold); }
.indigo { color: var(--indigo); }

/* ---------- 7. 导航条 ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  transition: background .3s ease, box-shadow .3s ease, color .3s ease;
  color: #fff;
}
.nav__inner {
  display: flex; align-items: center; gap: 28px;
  height: 72px;
}
.nav__brand { display: flex; align-items: baseline; gap: 10px; font-weight: 700; letter-spacing: -0.02em; }
.nav__brand b { font-size: 19px; }
.nav__brand span { font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; opacity: .7; }
.nav__links { display: flex; gap: 26px; margin-left: auto; font-size: 15px; }
.nav__links a { opacity: .85; transition: opacity .2s ease; }
.nav__links a:hover { opacity: 1; }
.nav__side { display: flex; align-items: center; gap: 18px; }
.lang { font-size: 13.5px; letter-spacing: .04em; opacity: .85; }
.lang b { opacity: 1; }
.lang i { font-style: normal; opacity: .4; padding-inline: 6px; }

/* 滚动后：白底毛玻璃 + 黑字 + 细线 */
.nav.is-solid {
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  color: var(--text);
  box-shadow: 0 1px 0 var(--line);
}

/* ---------- 8. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 52px; padding-inline: 30px;
  border: 1px solid transparent; border-radius: var(--r-pill);
  font-family: inherit; font-size: 15.5px; font-weight: 600; letter-spacing: -0.01em;
  cursor: pointer; white-space: nowrap;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.btn:active { transform: translateY(1px); }

.btn--ink    { background: var(--ink); color: #fff; }
.btn--ink:hover { background: var(--ink-soft); }

.btn--white  { background: #fff; color: var(--ink); }
.btn--white:hover { background: rgba(255,255,255,.9); }

.btn--ghost  { background: transparent; color: #fff; border-color: rgba(255,255,255,.42); }
.btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }

.btn--outline { background: transparent; color: var(--text); border-color: var(--line); }
.btn--outline:hover { border-color: var(--ink); }

.btn--accent { background: var(--indigo); color: #fff; height: 42px; padding-inline: 22px; font-size: 14.5px; }
.btn--accent:hover { background: var(--indigo-600); }

.btn--sm { height: 42px; padding-inline: 22px; font-size: 14.5px; }

.link-more {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 600;
}
.link-more::after { content: "→"; transition: transform .2s ease; }
.link-more:hover::after { transform: translateX(4px); }

.textlink { color: var(--indigo); border-bottom: 1px solid rgba(43,76,240,.3); }
.textlink:hover { border-bottom-color: var(--indigo); }

/* ---------- 9. 首屏 ---------- */
.hero {
  position: relative;
  min-height: min(100svh, 900px);
  display: flex; align-items: flex-end;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
}
.hero__media {
  position: absolute; inset: 0;
  background-image: url("../img/hero-crop.jpg");
  background-size: cover;
  background-position: center 30%;
  transform: scale(1.02);
}
.hero__scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(11,12,14,.72) 0%, rgba(11,12,14,.34) 38%, rgba(11,12,14,.86) 100%),
    radial-gradient(120% 80% at 50% 50%, transparent 40%, rgba(11,12,14,.55) 100%);
}
.hero__body { position: relative; padding-block: clamp(72px, 10vw, 132px); width: 100%; }
.hero__title { margin: 0 0 18px; }
.hero__cn { font-size: clamp(17px, 1.7vw, 22px); font-weight: 600; letter-spacing: .04em; margin: 0 0 14px; }
.hero__sub { color: rgba(255,255,255,.72); font-size: 15.5px; margin: 0 0 34px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__scroll {
  position: absolute; right: var(--pad); bottom: 28px;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: rgba(255,255,255,.65);
}
.hero__scroll i {
  font-style: normal; font-size: 15px;
  animation: bob 1.8s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translateY(0); opacity: .55; }
  50%      { transform: translateY(6px); opacity: 1; }
}

/* ---------- 10. 三句话定位 ---------- */
.pillars { display: grid; gap: 0; }
.pillar {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(16px, 3vw, 48px);
  padding-block: clamp(28px, 3.4vw, 44px);
  border-top: 1px solid var(--line);
}
.pillar:last-child { border-bottom: 1px solid var(--line); }
.pillar__no { font-size: 15px; font-weight: 600; color: var(--indigo); letter-spacing: .06em; padding-top: 6px; }

/* ---------- 11. 数字条 ---------- */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 4vw, 56px); }
.stat__num {
  font-size: clamp(44px, 6.6vw, 84px);
  font-weight: 700; line-height: 1;
  letter-spacing: -0.04em;
}
.stat__label { margin: 14px 0 0; font-size: 14.5px; color: rgba(255,255,255,.66); }

/* ---------- 12. 图片网格（错落） ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(12px, 1.6vw, 20px);
}
.figure {
  position: relative; overflow: hidden;
  border-radius: var(--r-img);
  background: var(--mist);
}
.figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s cubic-bezier(.22,.61,.36,1); }
.figure:hover img { transform: scale(1.035); }
.figure::after {
  content: ""; position: absolute; inset: 0;
  box-shadow: inset 0 0 0 1px rgba(11,12,14,.06);
  border-radius: inherit; pointer-events: none;
}
.figure__cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 18px; color: #fff; font-size: 13.5px;
  background: linear-gradient(180deg, transparent, rgba(11,12,14,.7));
  opacity: 0; transform: translateY(6px);
  transition: opacity .3s ease, transform .3s ease;
}
.figure:hover .figure__cap { opacity: 1; transform: none; }

.g-tall  { grid-column: span 2; aspect-ratio: 3 / 4; }
.g-wide  { grid-column: span 4; aspect-ratio: 16 / 10; }
.g-half  { grid-column: span 3; aspect-ratio: 4 / 3; }

/* ---------- 13. 卡片 ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 24px); }
.card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-card); padding: 28px;
  box-shadow: var(--shadow-1);
  transition: transform .28s cubic-bezier(.22,.61,.36,1), box-shadow .28s ease, border-color .28s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: transparent; }
.card__role { font-size: 13px; color: var(--indigo); font-weight: 600; letter-spacing: .02em; margin: 0 0 10px; }
.card__name { font-size: 20px; font-weight: 650; margin: 0 0 6px; letter-spacing: -0.01em; }
.card__meta { font-size: 14.5px; color: var(--muted); margin: 0; }

.avatar {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--mist); border: 1px solid var(--line);
  display: grid; place-items: center;
  font-weight: 700; color: var(--muted); font-size: 17px;
  margin-bottom: 20px;
}

/* ---------- 14. 合作伙伴 ---------- */
.partners { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(14px, 2vw, 22px); }
.partner {
  display: grid; place-items: center; text-align: center;
  min-height: 116px; padding: 22px;
  border: 1px solid var(--line); border-radius: var(--r-card);
  background: #fff; transition: border-color .25s ease, transform .25s ease;
}
.partner:hover { border-color: var(--ink); transform: translateY(-3px); }
.partner__name { font-size: 15px; font-weight: 650; filter: grayscale(1); opacity: .55; transition: filter .25s ease, opacity .25s ease; }
.partner:hover .partner__name { filter: none; opacity: 1; }

/* ---------- 15. 通知横幅 ---------- */
.banner { background: var(--ink); color: #fff; }
.banner__inner {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  padding-block: clamp(28px, 3.4vw, 40px);
}
.banner__text { font-size: clamp(17px, 1.8vw, 22px); font-weight: 600; margin: 0; letter-spacing: -0.01em; }
.banner__text span { color: rgba(255,255,255,.55); font-weight: 400; display: block; font-size: 15px; margin-top: 6px; letter-spacing: 0; }
.banner .btn { margin-left: auto; }

/* ---------- 16. 表单 ---------- */
.form { display: grid; gap: 20px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; letter-spacing: .02em; margin-bottom: 9px; }
.field input, .field select, .field textarea {
  width: 100%; font-family: inherit; font-size: 15.5px; color: var(--text);
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--line); border-radius: 10px;
  box-shadow: none; outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field input::placeholder, .field textarea::placeholder { color: #A8AEBA; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--indigo);
  box-shadow: 0 0 0 3px rgba(43,76,240,.12);
}
.field textarea { min-height: 132px; resize: vertical; }
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.hint { font-size: 13px; color: var(--muted); margin: 10px 0 0; }

.check { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: var(--muted); }
.check input { width: 18px; height: 18px; margin-top: 4px; accent-color: var(--indigo); }

/* ---------- 17. 页脚 ---------- */
.footer { background: var(--ink); color: rgba(255,255,255,.72); }
.footer__grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: clamp(24px, 3vw, 48px);
  padding-block: clamp(56px, 6vw, 88px);
}
.footer h4 { color: #fff; font-size: 14px; font-weight: 650; margin: 0 0 16px; letter-spacing: .02em; }
.footer p, .footer li { font-size: 14.5px; line-height: 1.9; margin: 0; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.footer a:hover { color: #fff; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-block: 22px;
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  font-size: 13px; color: rgba(255,255,255,.48);
}
.footer__bottom .lang { margin-left: auto; }

/* ---------- 18. 滚动淡入 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .55s cubic-bezier(.22,.61,.36,1), transform .55s cubic-bezier(.22,.61,.36,1);
  transition-delay: var(--d, 0ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 18b. 页面头 / 内容区 ---------- */
.section--soft { background: var(--mist); }

.page-head { padding-top: clamp(120px, 16vw, 190px); padding-bottom: clamp(28px, 4vw, 46px); }
.page-head--compact { padding-top: clamp(104px, 14vw, 160px); }

.h1-page {
  font-size: clamp(34px, 5.6vw, 76px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin: 16px 0 18px;
}

.breadcrumb { margin: 0 0 12px; font-size: 14.5px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }

.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 20px; flex-wrap: wrap; margin-bottom: 34px;
}

.prose { font-size: 16.5px; line-height: 1.9; color: var(--muted); }
.prose > *:first-child { margin-top: 0; }
.prose h3 {
  font-size: clamp(19px, 1.7vw, 22px); font-weight: 650; color: var(--text);
  margin: 2em 0 .7em; letter-spacing: -0.01em;
}
.prose p { margin: 0 0 1.15em; }
.prose ul, .prose ol { margin: 0 0 1.15em; padding-left: 1.3em; }
.prose li { margin-bottom: .4em; }
.prose a { color: var(--indigo); border-bottom: 1px solid rgba(43,76,240,.3); }
.prose img { border-radius: var(--r-img); margin: 1.4em 0; }
.prose blockquote {
  margin: 1.6em 0; padding-left: 18px; border-left: 2px solid var(--gold); color: var(--text);
}

/* 提示条 */
.notice {
  border-radius: 12px; padding: 16px 20px; font-size: 15px; line-height: 1.75;
  margin-bottom: 16px; border: 1px solid var(--line); background: #fff;
}
.notice--ok { border-color: rgba(43,76,240,.25); background: rgba(43,76,240,.05); color: var(--ink); }
.notice--err { border-color: rgba(200,60,60,.3); background: rgba(200,60,60,.05); color: #8A2020; }
.notice ul { margin: 8px 0 0; padding-left: 20px; }

/* 组织架构 */
.structure { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(14px, 2vw, 22px); }
.structure__node {
  border-top: 2px solid var(--ink); padding-top: 18px;
}
.structure__idx { display: block; font-size: 13px; font-weight: 600; color: var(--indigo); margin-bottom: 12px; letter-spacing: .06em; }

/* 相册卡片 */
.album-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(16px, 2.4vw, 30px); }
.album-card {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--r-card);
  overflow: hidden; box-shadow: var(--shadow-1);
  transition: transform .28s cubic-bezier(.22,.61,.36,1), box-shadow .28s ease, border-color .28s ease;
}
.album-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: transparent; }
.album-card__media { aspect-ratio: 16 / 10; background: var(--mist); }
.album-card__media img { width: 100%; height: 100%; object-fit: cover; }
.album-card__body { padding: 22px 24px 26px; }
.album-card__body .small { margin-top: 6px; }
.album-card--plain { border-style: dashed; box-shadow: none; }

/* 合作伙伴 */
.partner-list { display: grid; gap: 18px; }
.partner-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-card);
  padding: 26px 28px 30px;
}
.partner-card__logo { max-height: 52px; width: auto; margin-bottom: 18px; }
.partner-card .body { margin-top: 10px; }
.partner-card .textlink { display: inline-block; margin-top: 14px; font-size: 14.5px; }
.partner__logo { max-height: 40px; width: auto; }

.card__photo { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 12px; margin-bottom: 20px; }

/* 表单双栏页 */
.join-layout, .contact-layout {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(28px, 5vw, 72px); align-items: start;
}
.tick-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 12px; }
.tick-list li { position: relative; padding-left: 26px; font-size: 16px; color: var(--muted); line-height: 1.8; }
.tick-list li::before { content: "—"; position: absolute; left: 0; color: var(--indigo); }

.info-list { margin: 0; display: grid; gap: 26px; }
.info-list dt { font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.info-list dd { margin: 0; font-size: clamp(17px, 1.6vw, 20px); font-weight: 500; }

.chip-group { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: inline-block; padding: 10px 18px; border: 1px solid var(--line);
  border-radius: var(--r-pill); font-size: 14.5px; background: #fff; cursor: pointer;
  transition: border-color .2s ease, background .2s ease, color .2s ease;
}
.chip input:checked + span { border-color: var(--ink); background: var(--ink); color: #fff; }
.chip input:focus-visible + span { box-shadow: 0 0 0 3px rgba(43,76,240,.15); }
.hint-inline { color: var(--muted); font-weight: 400; }

/* 通知跳转页 */
.redirect-hero {
  background: var(--ink); color: #fff; min-height: 100svh;
  display: flex; align-items: center; padding-block: 160px 100px;
}

/* 图片灯箱 */
.lightbox {
  position: fixed; inset: 0; z-index: 200; display: none;
  background: rgba(11,12,14,.95); padding: 40px;
  align-items: center; justify-content: center; flex-direction: column;
}
.lightbox.is-open { display: flex; }
.lightbox__img { max-width: min(92vw, 1500px); max-height: 78vh; width: auto; border-radius: 10px; box-shadow: var(--shadow-3); }
.lightbox__cap { color: rgba(255,255,255,.72); font-size: 14px; margin-top: 18px; text-align: center; }
.lightbox__btn {
  position: absolute; top: 22px; background: transparent; border: 1px solid rgba(255,255,255,.35);
  color: #fff; width: 44px; height: 44px; border-radius: 50%; cursor: pointer; font-size: 18px;
}
.lightbox__btn:hover { border-color: #fff; background: rgba(255,255,255,.1); }
.lightbox__close { right: 24px; }
.lightbox__prev { left: 22px; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 22px; top: 50%; transform: translateY(-50%); }

/* 移动端菜单 */
.nav__mobile {
  position: fixed; inset: 72px 0 0; z-index: 55;
  background: #fff; padding: 18px var(--pad) 40px;
  display: grid; align-content: start; gap: 0; overflow-y: auto;
}
.nav__mobile[hidden] { display: none; }
.nav__mobile > a {
  font-size: 22px; font-weight: 600; letter-spacing: -0.01em;
  padding: 16px 0; border-bottom: 1px solid var(--line);
}
.nav__mobile-lang { display: flex; gap: 18px; margin-top: 26px; font-size: 15px; color: var(--muted); }
.nav__mobile-lang .is-current { color: var(--ink); font-weight: 600; }
body.menu-open { overflow: hidden; }

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

/* ---------- 19. 样板页专用（上线时删掉） ---------- */
.sg-head {
  display: flex; align-items: baseline; gap: 14px;
  border-top: 1px solid var(--line); padding-top: 18px; margin-bottom: 34px;
}
.sg-head b { font-size: 13px; letter-spacing: .16em; text-transform: uppercase; color: var(--indigo); }
.sg-head span { font-size: 13.5px; color: var(--muted); }
.sg-note {
  border-left: 2px solid var(--gold);
  padding-left: 16px; margin: 0 0 30px;
  font-size: 14.5px; color: var(--muted); line-height: 1.75;
}
.swatches { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.swatch { border-radius: var(--r-img); overflow: hidden; border: 1px solid var(--line); }
.swatch__chip { height: 92px; }
.swatch__meta { padding: 12px 14px; font-size: 12.5px; color: var(--muted); line-height: 1.6; background: #fff; }
.swatch__meta b { display: block; color: var(--text); font-size: 13.5px; }
.typescale { display: grid; gap: 26px; }
.typescale .row { display: grid; grid-template-columns: 150px minmax(0,1fr); gap: 24px; align-items: baseline; }
.typescale .tag { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.btnrow { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; background: var(--mist); padding: 26px; border-radius: var(--r-card); }
.btnrow--dark { background: var(--ink); }

/* ---------- 20. 移动端 ---------- */
.nav__burger { display: none; }

@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .cards, .partners { grid-template-columns: repeat(2, 1fr); }
  .swatches { grid-template-columns: repeat(3, 1fr); }
  .structure { grid-template-columns: repeat(2, 1fr); }
  .join-layout, .contact-layout { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 780px) {
  .album-grid { grid-template-columns: 1fr; }
  .structure { grid-template-columns: 1fr; }
  .lightbox { padding: 18px; }
  .lightbox__prev, .lightbox__next { top: auto; bottom: 18px; transform: none; }
  .lightbox__prev { left: 18px; }
  .lightbox__next { right: 18px; }
}

@media (max-width: 780px) {
  body { font-size: 16px; }
  .nav__links { display: none; }
  .nav__burger {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; margin-left: auto;
    border: 1px solid currentColor; border-radius: 12px;
    background: transparent; color: inherit; font-size: 18px; cursor: pointer;
  }
  .nav__side { display: none; }
  .pillars .pillar, .pillar { grid-template-columns: 1fr; gap: 8px; }
  .pillar__no { padding-top: 0; }
  .stats { grid-template-columns: 1fr; gap: 28px; }
  .cards, .partners { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .g-tall, .g-wide, .g-half { grid-column: auto; aspect-ratio: 4 / 3; }
  .hero__actions .btn { width: 100%; }
  .banner .btn { margin-left: 0; width: 100%; }
  .field--row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .typescale .row { grid-template-columns: 1fr; gap: 6px; }
  .swatches { grid-template-columns: repeat(2, 1fr); }
}