/* ==========================================================================
   中博廷铉 · 全站样式
   色板、字体、栅格与组件类名遵循 Global Constraints
   ========================================================================== */

:root {
  --brand: #0070C0;
  --brand-deep: #06294F;
  --brand-light: #00B0F0;
  --accent: #E53238;
  --surface: #F6F8FB;
  --line: #E7E6E6;
  --text: #1A2233;
  --text-muted: #5B6B80;
  --white: #FFFFFF;

  --gradient: linear-gradient(135deg, #00B0F0 0%, #0070C0 55%, #06294F 100%);
  --shadow-sm: 0 2px 8px rgba(6, 41, 79, .08);
  --shadow-md: 0 8px 24px rgba(6, 41, 79, .12);
  --shadow-lg: 0 18px 48px rgba(6, 41, 79, .18);
  --radius: 12px;
  --radius-lg: 20px;
  --container: 1200px;
  --gutter: 24px;
  --header-h: 76px;
  --font: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  --transition: .25s cubic-bezier(.4, 0, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--brand); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--brand-light); }
h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.3; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }

:focus-visible { outline: 3px solid var(--brand-light); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--brand); color: var(--white);
  padding: 12px 20px; border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; color: var(--white); }

/* ---------- 布局 ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: 88px 0; }
.section-alt { background: var(--surface); }
.section-dark { background: var(--brand-deep); color: var(--white); }
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head.text-center { margin-left: auto; margin-right: auto; }
.section-title { font-size: clamp(26px, 3.2vw, 38px); letter-spacing: .5px; }
.section-sub { margin: 16px 0 0; color: var(--text-muted); font-size: 17px; }
.section-dark .section-title { color: var(--white); }
.section-dark .section-sub { color: rgba(255, 255, 255, .72); }
.page-hero .section-sub { color: rgba(255, 255, 255, .72); }
.eyebrow {
  display: inline-block; margin-bottom: 14px; padding: 4px 14px;
  border-radius: 999px; background: rgba(0, 112, 192, .1);
  color: var(--brand); font-size: 13px; letter-spacing: 2px; font-weight: 700;
}
.section-dark .eyebrow { background: rgba(255, 255, 255, .12); color: var(--white); }

/* ---------- 导航 ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
  background: transparent; transition: background var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled { background: var(--white); box-shadow: var(--shadow-sm); }
.header-inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); }
.site-header:not(.is-scrolled) .brand { color: var(--white); }
.brand-mark { width: 40px; height: 46px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-size: 20px; letter-spacing: 2px; }
.brand-en { font-size: 11px; letter-spacing: 2px; opacity: .72; }
.nav-list { display: flex; align-items: center; gap: 6px; }
.nav-link {
  display: block; padding: 10px 16px; border-radius: 8px;
  color: var(--text); font-size: 15px; font-weight: 500;
}
.site-header:not(.is-scrolled) .nav-link { color: rgba(255, 255, 255, .9); }
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--brand); background: rgba(0, 112, 192, .08); }
.site-header:not(.is-scrolled) .nav-link:hover,
.site-header:not(.is-scrolled) .nav-link[aria-current="page"] { color: var(--white); background: rgba(255, 255, 255, .16); }
.nav-toggle {
  display: none; width: 42px; height: 42px; padding: 10px;
  background: transparent; border: 1px solid var(--line); border-radius: 8px; cursor: pointer;
}
.nav-toggle-bar {
  display: block; height: 2px; margin: 4px 0; background: var(--text); border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease;
}
.site-header:not(.is-scrolled) .nav-toggle-bar { background: var(--white); }
/* 导航展开时三根横线合成一个叉号，告知「再点一下就收起」 */
.nav-toggle.is-open .nav-toggle-bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle.is-open .nav-toggle-bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.site-nav { display: flex; align-items: center; gap: 18px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; border: 1px solid transparent; border-radius: 999px;
  font-size: 15px; font-weight: 700; cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}
.btn-primary { background: var(--brand); color: var(--white); }
.btn-primary:hover { background: var(--brand-light); color: var(--white); transform: translateY(-2px); }
.btn-ghost { border-color: currentColor; color: var(--white); background: transparent; }
.btn-ghost:hover { background: var(--white); color: var(--brand); }
.btn-light { background: var(--white); color: var(--brand); }
.btn-light:hover { background: var(--brand-deep); color: var(--white); }
/* .btn-ghost 是深色背景上的白字版本；.btn-outline 是浅色背景上的蓝字版本 */
.btn-outline { border-color: var(--brand); color: var(--brand); background: transparent; }
.btn-outline:hover { background: var(--brand); color: var(--white); transform: translateY(-2px); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 620px; display: flex; align-items: center;
  padding: calc(var(--header-h) + 80px) 0 90px; overflow: hidden;
  background: var(--brand-deep); color: var(--white);
}
.hero-media {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover;
  opacity: .32; transform: scale(1.04);
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(6, 41, 79, .94) 0%, rgba(6, 41, 79, .78) 45%, rgba(0, 176, 240, .45) 100%);
}
.hero-inner { position: relative; z-index: 2; max-width: 780px; }
.hero-title { font-size: clamp(34px, 5vw, 58px); letter-spacing: 1px; }
.hero-sub { margin: 22px 0 34px; font-size: clamp(16px, 1.6vw, 20px); color: rgba(255, 255, 255, .86); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 46px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 12px; }
.badge {
  padding: 8px 18px; border-radius: 999px; font-size: 14px;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .22);
}

/* ---------- 数据条 ---------- */
.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item { text-align: center; padding: 28px 16px; background: var(--surface); border-radius: var(--radius); }
.stat-num { font-size: 40px; font-weight: 700; color: var(--brand); line-height: 1.1; }
.stat-label { margin-top: 6px; color: var(--text-muted); font-size: 15px; }

/* ---------- 业务范围 ---------- */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  padding: 32px 28px; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(0, 112, 192, .4); }
.service-icon {
  width: 52px; height: 52px; display: grid; place-items: center; margin-bottom: 18px;
  border-radius: 14px; background: var(--gradient); color: var(--white); font-size: 22px; font-weight: 700;
}
.service-title { font-size: 19px; margin-bottom: 10px; }
.service-text { margin: 0; color: var(--text-muted); font-size: 15px; }

/* ---------- 技术方向 ---------- */
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.tech-card {
  position: relative; overflow: hidden; padding: 36px 30px; border-radius: var(--radius-lg);
  background: var(--brand-deep); color: var(--white); box-shadow: var(--shadow-md);
}
.tech-card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.tech-name { font-size: 26px; }
.tech-en { font-size: 13px; letter-spacing: 2px; color: var(--brand-light); }
.tech-items { margin: 0; padding: 0; list-style: none; }
.tech-items li { position: relative; padding-left: 20px; margin-bottom: 12px; color: rgba(255, 255, 255, .82); font-size: 15px; }
.tech-items li::before { content: ""; position: absolute; left: 0; top: 10px; width: 7px; height: 7px; border-radius: 50%; background: var(--brand-light); }

/* ---------- 案例卡片 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-card {
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); transition: transform var(--transition), box-shadow var(--transition);
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.case-media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--surface); }
.case-media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.case-card:hover .case-media img { transform: scale(1.05); }
.case-body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.case-title { font-size: 19px; margin-bottom: 8px; }
.case-sub { margin: 0 0 16px; color: var(--text-muted); font-size: 14px; }
.case-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.tag {
  padding: 4px 12px; border-radius: 999px; font-size: 12px;
  background: rgba(0, 112, 192, .09); color: var(--brand);
}
.case-link { margin-top: 18px; font-weight: 700; font-size: 14px; }
.case-link::after { content: " →"; }

/* ---------- 理念 / CTA ---------- */
.value-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; text-align: center; }
.value-item { padding: 30px 20px; border-radius: var(--radius); background: rgba(255, 255, 255, .07); }
.value-item h3 { font-size: 28px; letter-spacing: 6px; margin-bottom: 8px; }
.value-item p { margin: 0; color: rgba(255, 255, 255, .7); }
.cta-band { background: var(--gradient); color: var(--white); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-inner h2 { font-size: clamp(24px, 3vw, 34px); }
.cta-inner p { margin: 10px 0 0; color: rgba(255, 255, 255, .85); }

/* ---------- 案例列表页 ---------- */
.cases-toolbar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.filter-btn {
  padding: 9px 20px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--white); color: var(--text); cursor: pointer; font-size: 14px;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.filter-btn:hover { border-color: var(--brand); color: var(--brand); }
.filter-btn.is-active { background: var(--brand); border-color: var(--brand); color: var(--white); }

.case-lightbox { position: fixed; inset: 0; z-index: 150; display: none; }
.case-lightbox.is-visible { display: block; }
.lightbox-backdrop { position: absolute; inset: 0; background: rgba(6, 41, 79, .72); }
.lightbox-panel {
  position: relative; z-index: 2; width: min(980px, calc(100% - 32px));
  max-height: calc(100vh - 48px); overflow-y: auto; margin: 24px auto;
  padding: 34px; background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
}
.lightbox-close {
  position: absolute; top: 16px; right: 16px; width: 38px; height: 38px;
  border: none; border-radius: 50%; background: var(--surface); color: var(--text);
  font-size: 22px; line-height: 1; cursor: pointer;
}
.lightbox-close:hover { background: var(--line); }
.lightbox-title { font-size: 26px; padding-right: 48px; }
.lightbox-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 22px; }
.lightbox-features { margin: 0 0 24px; padding: 0; list-style: none; }
.lightbox-features li { position: relative; padding-left: 20px; margin-bottom: 8px; color: var(--text-muted); }
.lightbox-features li::before { content: "✓"; position: absolute; left: 0; color: var(--brand); font-weight: 700; }
.lightbox-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-bottom: 26px; }
.lightbox-thumb { width: 100%; border-radius: 8px; border: 1px solid var(--line); }
.lightbox-nav { display: flex; justify-content: space-between; gap: 12px; }
.lightbox-prev, .lightbox-next {
  padding: 10px 22px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--white); color: var(--text); cursor: pointer;
}
.lightbox-prev:hover, .lightbox-next:hover { border-color: var(--brand); color: var(--brand); }

/* ---------- 详情页 ---------- */
.page-hero {
  position: relative; padding: calc(var(--header-h) + 70px) 0 70px;
  background: var(--brand-deep); color: var(--white); overflow: hidden;
}
.breadcrumb { margin-bottom: 18px; font-size: 14px; color: rgba(255, 255, 255, .7); }
.crumb + .crumb::before { content: " / "; color: rgba(255, 255, 255, .45); }
.detail-grid { display: grid; grid-template-columns: 300px 1fr; gap: 40px; align-items: start; }
.detail-aside { position: sticky; top: calc(var(--header-h) + 24px); }
.fact-list { background: var(--surface); border-radius: var(--radius); padding: 22px; }
.fact-item { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.fact-item:last-child { border-bottom: none; }
.highlight-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 40px; }
.highlight-item { padding: 24px; border-left: 3px solid var(--brand); background: var(--surface); border-radius: 0 var(--radius) var(--radius) 0; }
.highlight-title { font-size: 17px; margin-bottom: 8px; }
.highlight-text { margin: 0; color: var(--text-muted); font-size: 14px; }
.module-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-bottom: 44px; }
.module-card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); }
.module-title { font-size: 17px; margin-bottom: 14px; padding-left: 12px; border-left: 3px solid var(--brand); }
.module-items { margin: 0; padding: 0; list-style: none; }
.module-items li { position: relative; padding-left: 16px; margin-bottom: 7px; color: var(--text-muted); font-size: 14px; }
.module-items li::before { content: "·"; position: absolute; left: 4px; color: var(--brand); font-weight: 700; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr)); gap: 22px; margin-bottom: 48px; }
.gallery-item { background: var(--surface); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.gallery-img { width: 100%; height: auto; background: var(--white); }
.gallery-caption { padding: 14px 16px; margin: 0; font-size: 13px; color: var(--text-muted); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
/* ---------- 技术方向补充 ---------- */
.tech-desc { color: rgba(255, 255, 255, .75); margin-bottom: 14px; }
.tech-more { margin-top: 18px; }
.tech-more .case-link { color: var(--brand-light); }
.tech-more .case-link:hover { color: var(--white); }
.case-name-list { margin-top: 16px; }
.more-link { margin-top: 40px; }
.detail-heading { margin: 40px 0 22px; font-size: 24px; }
.lightbox-body { margin-top: 4px; }

/* ---------- 通用文字 / 组件 ---------- */
.text-center { text-align: center; }
.muted { color: var(--text-muted); }
.lead { font-size: 18px; color: var(--text-muted); }
.section-label { font-size: 15px; font-weight: 700; letter-spacing: 1px; margin-bottom: 10px; }
.icon-box { padding: 28px 26px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); }
.icon-box-title { font-size: 18px; margin-bottom: 8px; }
.icon-box-text { margin: 0; color: var(--text-muted); font-size: 15px; }
.placeholder {
  display: inline-block; padding: 2px 10px; border-radius: 6px;
  background: rgba(229, 50, 56, .08); color: var(--accent);
  border: 1px dashed rgba(229, 50, 56, .35); font-size: 14px;
}

/* ---------- 联系 ---------- */
.contact-list { display: grid; gap: 18px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-label { flex: 0 0 84px; color: var(--text-muted); font-size: 15px; }
.contact-value { margin: 0; font-size: 15px; }
.map-card { margin-top: 34px; padding: 30px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }

/* ---------- 表单（静态站仅作咨询表单展示） ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field.is-full { grid-column: 1 / -1; }
.form-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.form-label { font-size: 14px; font-weight: 700; }
.form-input {
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  font-family: inherit; font-size: 15px; background: var(--white); color: var(--text);
}
.form-input:focus { border-color: var(--brand); outline: none; box-shadow: 0 0 0 3px rgba(0, 112, 192, .14); }
.form-input:focus-visible { outline: 3px solid var(--brand-light); outline-offset: 2px; }
.form-note { margin: 0; font-size: 13px; color: var(--text-muted); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--brand-deep); color: rgba(255, 255, 255, .78); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 44px; padding-bottom: 48px; }
.footer-logo { width: 200px; height: 110px; object-fit: contain; object-position: left center; background: var(--white); border-radius: 10px; padding: 8px 12px; }
.footer-desc { margin: 18px 0 0; font-size: 14px; line-height: 1.9; }
.footer-title { font-size: 16px; color: var(--white); margin-bottom: 18px; }
.footer-list li { margin-bottom: 10px; font-size: 14px; }
.footer-list a { color: rgba(255, 255, 255, .78); }
.footer-list a:hover { color: var(--brand-light); }
.footer-contact-list li { line-height: 1.8; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .14); padding: 20px 0; font-size: 13px; }
.footer-bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-bottom p { margin: 0; }
.footer-bottom .placeholder { background: transparent; border: none; padding: 0; color: rgba(255, 255, 255, .78); }
/* 备案号：全局 a 是品牌蓝（#0070C0），压在深蓝页脚底色（#06294F）上看不清，单独指定 */
.footer-bottom .icp-link { color: rgba(255, 255, 255, .78); }
.footer-bottom .icp-link:hover { color: var(--brand-light); }

/* ---------- 滚动动效 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 平板 ---------- */
@media (max-width: 1023px) {
  .section { padding: 64px 0; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .service-grid, .tech-grid, .case-grid, .related-grid, .value-strip { grid-template-columns: repeat(2, 1fr); }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-aside { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ---------- 移动 ---------- */
@media (max-width: 767px) {
  :root { --gutter: 16px; --header-h: 64px; }
  .section { padding: 48px 0; }
  .grid-2, .grid-3, .grid-4, .grid-auto, .service-grid, .tech-grid, .case-grid,
  .related-grid, .value-strip, .stat-strip, .highlight-list, .module-list,
  .form-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero { min-height: 520px; padding: calc(var(--header-h) + 48px) 0 64px; }
  .hero-actions .btn { flex: 1 1 auto; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .lightbox-panel { padding: 26px 20px; margin: 12px auto; max-height: calc(100vh - 24px); }
  .lightbox-gallery { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom-inner { flex-direction: column; align-items: flex-start; }

  .nav-toggle { display: block; }
  .site-nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 16px var(--gutter) 24px;
    background: var(--white); box-shadow: var(--shadow-md);
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-link { padding: 14px 12px; color: var(--text); }
  .site-header:not(.is-scrolled) .nav-link { color: var(--text); }
  /* 展开的面板是白底，而透明页头那套规则把链接设成白字：
     当前所在页面的那一项会整项隐形，触摸触发的 :hover 也会让被点的项瞬间消失。
     这里在展开状态下把文字改回深色，当前项仍用品牌蓝标出。 */
  .site-header:not(.is-scrolled) .site-nav.is-open .nav-link { color: var(--text); }
  .site-header:not(.is-scrolled) .site-nav.is-open .nav-link:hover,
  .site-header:not(.is-scrolled) .site-nav.is-open .nav-link[aria-current="page"] { color: var(--brand); background: rgba(0, 112, 192, .08); }
  .brand-name { font-size: 18px; }
}

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