/* BCSA · Tesla-style layout study
   Structure mirrored from tesla.cn (hero panels + fixed nav);
   all code below is an original implementation. */

:root {
  --ink: #171a20;
  --ink-2: #3b3d42;
  --muted: #5c5e62;
  --line: #e2e3e5;
  --paper: #ffffff;
  --paper-2: #f4f4f4;

  --nav-h: 56px;
  --notice-h: 38px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --maxw: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 12px 16px;
  background: #fff;
  z-index: 100;
}
.skip:focus { left: 8px; top: calc(var(--notice-h) + 8px); }

/* ---------- non-official notice ---------- */

.notice {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--notice-h);
  z-index: 70;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 16px;
  background: #1f2328;
  color: #fff;
  font-size: 12.5px;
  letter-spacing: .2px;
  line-height: 1.2;
}

.notice__tag {
  flex: 0 0 auto;
  padding: 2px 8px;
  border-radius: 3px;
  background: #ffd60a;
  color: #1f2328;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .6px;
}

.notice__text {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  opacity: .92;
}

/* ---------- navigation ---------- */

.nav {
  position: fixed;
  top: var(--notice-h);
  left: 0;
  right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  z-index: 50;
  color: #fff;
  transition: background .3s var(--ease), color .3s var(--ease),
    box-shadow .3s var(--ease);
}

.nav.is-solid {
  background: rgba(255, 255, 255, .92);
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(0, 0, 0, .08);
  backdrop-filter: saturate(180%) blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .4px;
  padding: 6px 10px;
  border-radius: 4px;
}
.brand:hover { background: rgba(127, 127, 127, .16); }
.brand__mark { width: 20px; height: 20px; }

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav__links a,
.nav__pill {
  font-size: 14px;
  font-weight: 500;
  padding: 7px 12px;
  border-radius: 4px;
  transition: background .18s var(--ease);
}
.nav__links a:hover,
.nav__pill:hover { background: rgba(127, 127, 127, .18); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 12px;
}

.nav__pill {
  border: 1px solid currentColor;
  padding: 6px 14px;
  font-size: 13px;
}

.nav__menu {
  display: none;
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 14px;
  padding: 7px 12px;
  border-radius: 4px;
  cursor: pointer;
}

/* mobile drawer */
.drawer {
  position: fixed;
  top: calc(var(--notice-h) + var(--nav-h));
  right: 16px;
  width: 240px;
  padding: 10px;
  background: rgba(255, 255, 255, .97);
  border-radius: 6px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .22);
  z-index: 60;
  display: grid;
  gap: 2px;
}
.drawer[hidden] { display: none; }
.drawer a {
  padding: 11px 12px;
  border-radius: 4px;
  font-size: 14px;
  color: var(--ink);
}
.drawer a:hover { background: var(--paper-2); }

/* ---------- hero panels ---------- */

.panel {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
}

.panel__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  transform: scale(1.02);
}

/* vignette + readability scrim */
.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 80% at 50% 18%, rgba(0, 0, 0, 0) 40%, rgba(0, 0, 0, .42) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, .34) 0%, rgba(0, 0, 0, 0) 34%,
      rgba(0, 0, 0, .12) 72%, rgba(0, 0, 0, .40) 100%);
}

.panel--a .panel__bg {
  background:
    radial-gradient(60% 45% at 50% 30%, #2b3f5c 0%, #16202e 45%, #0a0e14 100%),
    conic-gradient(from 210deg at 70% 20%, #35506f, #16202e 60%, #0a0e14);
}
.panel--b .panel__bg {
  background:
    radial-gradient(70% 55% at 50% 40%, #7a3b2a 0%, #3a1c17 52%, #140b0a 100%),
    conic-gradient(from 20deg at 30% 70%, #b3613f, #4a231a 55%, #140b0a);
}
.panel--c .panel__bg {
  background:
    radial-gradient(65% 50% at 45% 35%, #43524b 0%, #1d2724 55%, #0b100e 100%),
    conic-gradient(from 150deg at 70% 60%, #6a7d70, #223029 55%, #0b100e);
}
.panel--d .panel__bg {
  background:
    radial-gradient(70% 50% at 50% 25%, #2a2f38 0%, #141820 55%, #07090c 100%),
    conic-gradient(from 300deg at 25% 75%, #3d4653, #141820 55%, #07090c);
}

/* faint architectural grid, keeps the flat gradients from looking like placeholders */
.panel__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .16;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, .5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, .5) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(70% 60% at 50% 50%, #000 20%, transparent 78%);
}

.panel__content {
  position: relative;
  width: 100%;
  max-width: min(900px, 100%);
  text-align: center;
  color: #fff;
  padding: 0 24px;
  transform: translateY(-4vh);
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: .82;
}

.display {
  margin: 0;
  font-size: clamp(38px, 6.2vw, 72px);
  font-weight: 500;
  letter-spacing: -.5px;
  line-height: 1.05;
}

.headline {
  margin: 0;
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 500;
  letter-spacing: -.3px;
  line-height: 1.1;
}

.sub {
  margin: 14px auto 0;
  font-size: 15px;
  font-weight: 400;
  opacity: .9;
  max-width: min(42ch, 100%);
}

.cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 176px;
  height: 40px;
  padding: 0 24px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .2px;
  transition: background .2s var(--ease), transform .2s var(--ease),
    color .2s var(--ease);
}

.btn--solid {
  background: rgba(23, 26, 32, .82);
  color: #fff;
  backdrop-filter: blur(8px);
}
.btn--solid:hover { background: rgba(23, 26, 32, .95); }

.btn--ghost {
  background: rgba(255, 255, 255, .78);
  color: var(--ink);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover { background: #fff; }

.btn:active { transform: scale(.985); }

/* On the dark hero imagery the primary button must read as the light one. */
.panel .btn--solid {
  background: #fff;
  color: var(--ink);
}
.panel .btn--solid:hover { background: #f1f1f1; }

.panel .btn--ghost {
  background: rgba(23, 26, 32, .52);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .42);
}
.panel .btn--ghost:hover { background: rgba(23, 26, 32, .74); }

.panel__cue {
  position: absolute;
  left: 50%;
  bottom: 26px;
  translate: -50% 0;
  color: #fff;
  opacity: .8;
  animation: bob 2.4s var(--ease) infinite;
}
.panel__cue svg { width: 26px; height: 26px; }

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .panel__cue { animation: none; }
}

/* ---------- stats ---------- */

.stats {
  background: var(--ink);
  color: #fff;
  padding: 72px 24px;
}
.stats__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat__num {
  display: block;
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 400;
  letter-spacing: -.5px;
}
.stat__num em {
  font-style: normal;
  font-size: .42em;
  margin-left: 4px;
  opacity: .7;
}
.stat__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, .62);
}

/* ---------- shared section chrome ---------- */

.section-head {
  max-width: var(--maxw);
  margin: 0 auto 28px;
  padding: 0 24px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}
.section-head h2 {
  margin: 0;
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -.2px;
}
.link-more {
  font-size: 14px;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
.link-more:hover { color: var(--ink); border-color: currentColor; }

/* ---------- news ---------- */

.news { padding: 88px 0 96px; }

.news__grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 22px 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #fff;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease),
    border-color .25s var(--ease);
}
.card:hover {
  transform: translateY(-3px);
  border-color: #d3d4d6;
  box-shadow: 0 14px 34px rgba(0, 0, 0, .09);
}
.card__date {
  margin: 0;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.card h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.42;
}
.card__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
  flex: 1;
}
.card__link {
  font-size: 13px;
  color: var(--ink);
  border-bottom: 1px solid rgba(23, 26, 32, .28);
  align-self: flex-start;
  padding-bottom: 2px;
}
.card__link:hover { border-color: var(--ink); }

/* ---------- programs ---------- */

.programs { padding: 0 0 96px; }

.programs__grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.tile {
  position: relative;
  min-height: 148px;
  border-radius: 6px;
  padding: 20px;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
  overflow: hidden;
  background: linear-gradient(150deg, #2c3a4a, #10151c);
  transition: transform .25s var(--ease);
}
.tile:nth-child(2n) { background: linear-gradient(150deg, #3a4a3f, #121815); }
.tile:nth-child(3n) { background: linear-gradient(150deg, #4a3f38, #171210); }
.tile:hover { transform: translateY(-3px); }
.tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 40%, rgba(0, 0, 0, .55) 100%);
}
.tile > * { position: relative; z-index: 1; }
.tile__kind {
  margin: 0;
  font-size: 11px;
  letter-spacing: 2px;
  opacity: .72;
}
.tile h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
}

/* ---------- campus ---------- */

.campus { padding: 0 0 96px; }

.campus__grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.campus__card {
  border-radius: 6px;
  padding: 40px 28px;
  min-height: 220px;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 10px;
}
.campus__card--a { background: radial-gradient(90% 120% at 20% 10%, #3b4a5e, #0d1319 70%); }
.campus__card--b { background: radial-gradient(90% 120% at 80% 10%, #5b3a2c, #170e0a 70%); }
.campus__card h3 {
  margin: 0;
  font-size: 24px;
  font-weight: 500;
}
.campus__card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  opacity: .78;
  max-width: 42ch;
}

/* ---------- global cta ---------- */

.global {
  background: var(--paper-2);
  padding: 96px 24px;
  text-align: center;
}
.global__inner { max-width: 760px; margin: 0 auto; }
.global h2 {
  margin: 0;
  font-size: 30px;
  font-weight: 500;
  letter-spacing: -.2px;
}
.global p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
}

/* ---------- footer ---------- */

.footer {
  padding: 64px 24px 40px;
  border-top: 1px solid var(--line);
}
.footer__cols {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.footer__cols h4 {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .4px;
}
.footer__cols a {
  display: block;
  padding: 6px 0;
  font-size: 13px;
  color: var(--muted);
}
.footer__cols a:hover { color: var(--ink); }

.footer__legal {
  max-width: var(--maxw);
  margin: 48px auto 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer__legal p {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

/* ---------- responsive ---------- */

@media (max-width: 1080px) {
  .news__grid { grid-template-columns: repeat(2, 1fr); }
  .programs__grid { grid-template-columns: repeat(2, 1fr); }
  .nav__links { display: none; }
  .nav__menu { display: inline-block; }
}

@media (max-width: 760px) {
  .stats__inner { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .news__grid,
  .programs__grid,
  .campus__grid,
  .footer__cols { grid-template-columns: 1fr; }
  .nav__pill { display: none; }
  .panel__content { transform: translateY(-2vh); padding: 0 20px; }
  .btn { min-width: 0; flex: 1 1 0; max-width: 190px; padding: 0 14px; }
  .cta { gap: 10px; flex-wrap: nowrap; }
}

/* reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* =========================================================
   Inner pages
   ========================================================= */

/* Inner pages have no dark hero, so the nav starts solid. */
.page .nav {
  background: rgba(255, 255, 255, .94);
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(0, 0, 0, .07);
  backdrop-filter: saturate(180%) blur(14px);
}

.nav__links a[aria-current="page"] { background: rgba(127, 127, 127, .16); }

/* Keep anchored targets clear of the fixed header. */
[id] { scroll-margin-top: calc(var(--notice-h) + var(--nav-h) + 18px); }

.page-head {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: calc(var(--notice-h) + var(--nav-h) + 92px) 24px 68px;
  color: #fff;
}

.page-head__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(70% 90% at 22% 8%, #2b3f5c 0%, #16202e 52%, #0a0e14 100%);
}
.page-head--news .page-head__bg {
  background: radial-gradient(70% 90% at 22% 8%, #4a3f38 0%, #1d1815 52%, #0b0908 100%);
}
.page-head--major .page-head__bg {
  background: radial-gradient(70% 90% at 22% 8%, #43524b 0%, #1d2724 52%, #0b100e 100%);
}
.page-head--admissions .page-head__bg {
  background: radial-gradient(70% 90% at 22% 8%, #3a4a3f 0%, #17201a 52%, #0a0f0c 100%);
}

.page-head__inner { max-width: var(--maxw); margin: 0 auto; }

.breadcrumb {
  margin: 0 0 16px;
  font-size: 12.5px;
  letter-spacing: .4px;
  opacity: .74;
}
.breadcrumb a { border-bottom: 1px solid rgba(255, 255, 255, .42); }
.breadcrumb a:hover { border-color: #fff; opacity: 1; }
.breadcrumb span { opacity: .6; margin: 0 8px; }

.page-head h1 {
  margin: 0;
  font-size: clamp(30px, 4.2vw, 46px);
  font-weight: 500;
  letter-spacing: -.4px;
  line-height: 1.14;
}
.page-head .sub { margin: 12px 0 0; opacity: .86; }

/* ---------- content blocks ---------- */

.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 72px 24px;
}
.section--alt {
  max-width: none;
  background: var(--paper-2);
  padding: 72px 24px;
}
.section--alt > .section__inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.section h2 {
  margin: 0 0 18px;
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -.2px;
}
.section h3 {
  margin: 30px 0 10px;
  font-size: 18px;
  font-weight: 500;
}
.section p {
  margin: 0 0 14px;
  max-width: 74ch;
  font-size: 15px;
  line-height: 1.86;
  color: var(--ink-2);
}
.section p:last-child { margin-bottom: 0; }

.lead {
  font-size: 17px !important;
  line-height: 1.8 !important;
  color: var(--ink) !important;
}

.prose ul,
.prose ol {
  margin: 0 0 16px;
  padding-left: 20px;
  display: grid;
  gap: 8px;
}
.prose li {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
  margin-top: 8px;
}
.fact {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 18px 18px 16px;
  background: #fff;
}
.fact h4 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
}
.fact p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
  max-width: none;
}

.timeline {
  list-style: none;
  margin: 8px 0 0;
  padding: 0 0 0 22px;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 20px;
}
.timeline li { position: relative; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink);
}
.timeline strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}
.timeline span {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.7;
}

.placeholder {
  margin: 0 0 14px;
  padding: 14px 16px;
  border: 1px dashed #cfd1d4;
  border-radius: 6px;
  background: #fafafa;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 74ch;
}
.placeholder strong { color: var(--ink-2); font-weight: 600; }

/* ---------- news list ---------- */

.article {
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}
.article:first-of-type { padding-top: 0; }
.article h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 500;
}
.article .meta {
  margin: 0 0 12px;
  font-size: 12.5px;
  letter-spacing: .6px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.article p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-2);
  max-width: 78ch;
}
.article__back {
  font-size: 13px;
  color: var(--muted);
  border-bottom: 1px solid rgba(92, 94, 98, .3);
}
.article__back:hover { color: var(--ink); border-color: var(--ink); }

/* ---------- admissions ---------- */

.steps {
  display: grid;
  gap: 20px;
  margin-top: 10px;
  counter-reset: step;
}
.step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  align-items: start;
}
.step__num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.step h4 { margin: 0 0 4px; font-size: 16px; font-weight: 600; }
.step p { margin: 0; font-size: 14px; line-height: 1.78; color: var(--muted); max-width: 66ch; }

.svc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 10px;
}
.svc {
  display: block;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 20px;
  background: #fff;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease),
    border-color .22s var(--ease);
}
.svc:hover {
  transform: translateY(-2px);
  border-color: #d3d4d6;
  box-shadow: 0 12px 28px rgba(0, 0, 0, .08);
}
.svc h4 { margin: 0 0 6px; font-size: 15px; font-weight: 600; }
.svc p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.7; max-width: none; }
.svc span {
  display: inline-block;
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--ink);
  border-bottom: 1px solid rgba(23, 26, 32, .28);
}

/* ---------- responsive additions ---------- */

@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; gap: 8px; }
}

@media (max-width: 760px) {
  :root { --notice-h: 34px; }
  .notice { font-size: 11.5px; gap: 8px; padding: 0 10px; }
  .notice__tag { font-size: 10.5px; padding: 2px 6px; }
  .page-head { padding: calc(var(--notice-h) + var(--nav-h) + 64px) 20px 52px; }
  .section,
  .section--alt { padding: 52px 20px; }
}