/* ===== 01. reset ===== */
*,
*::before,
*::after { box-sizing: border-box; }

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

body,
h1, h2, h3, h4, h5, p, ul, ol, li, figure, blockquote, dl, dd {
  margin: 0;
}

ul, ol { padding: 0; list-style: none; }

img, svg, video, canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

table { border-collapse: collapse; border-spacing: 0; }

/* ===== 02. 变量 ===== */
:root {
  --ink-950: #0B0D0F;
  --ink-800: #171A1D;
  --graphite-600: #4A5158;
  --warm-050: #F7F5F0;
  --paper-100: #EDE8DF;
  --gold-500: #C89B3C;
  --gold-300: #E9C97E;
  --celadon-600: #3C7D66;
  --celadon-300: #9CCDB8;
  --signal-600: #C9501A;
  --signal-300: #F0A268;
  --gray-400: #8C949B;

  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --header-h: 72px;
  --maxw: 1440px;
  --gutter: clamp(20px, 4vw, 56px);

  --r-lg: 22px;
  --r-md: 14px;
  --r-pill: 999px;

  --dur: 190ms;
  --ease: cubic-bezier(.22, .61, .36, 1);

  --line-dark: rgba(247, 245, 240, .14);
  --line-light: rgba(11, 13, 15, .12);
  --text-dim: rgba(247, 245, 240, .7);
}

/* ===== 03. 基础排版 ===== */
body {
  background: var(--warm-050);
  color: var(--ink-950);
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 3px;
}

::selection {
  background: var(--gold-500);
  color: var(--ink-950);
}

#main-content {
  padding-top: var(--header-h);
  scroll-margin-top: var(--header-h);
}

.flush-top {
  margin-top: calc(-1 * var(--header-h));
  padding-top: var(--header-h);
}

/* ===== 04. 工具类 ===== */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: .08em;
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
}

.bg-ink {
  background: var(--ink-950);
  color: var(--warm-050);
}

.bg-ink-800 {
  background: var(--ink-800);
  color: var(--warm-050);
}

.bg-paper { background: var(--paper-100); }

.bg-warm { background: var(--warm-050); }

/* ===== 05. 页头 ===== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 120;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, rgba(11, 13, 15, .84) 0%, rgba(11, 13, 15, 0) 100%);
  border-bottom: 1px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.site-header[data-scrolled="true"] {
  background: var(--ink-950);
  border-bottom-color: var(--line-dark);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-500) 0%, var(--gold-300) 46%, var(--signal-600) 100%);
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
  pointer-events: none;
}

.site-header[data-scrolled="true"]::after { opacity: 1; }

.skip-link {
  position: absolute;
  top: 10px;
  left: 12px;
  z-index: 200;
  transform: translateY(-220%);
  padding: 10px 20px;
  border-radius: var(--r-pill);
  background: var(--gold-500);
  color: var(--ink-950);
  font-size: 14px;
  font-weight: 600;
  transition: transform var(--dur) var(--ease);
}

.skip-link:focus { transform: translateY(0); }

.header-inner {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  min-height: var(--header-h);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(14px, 2.2vw, 38px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--warm-050);
  min-width: 0;
}

.brand-mark {
  position: relative;
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  border: 1px solid var(--gold-500);
  background: linear-gradient(140deg, rgba(200, 155, 60, .32), rgba(200, 155, 60, 0) 72%);
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 3px;
  background: var(--gold-500);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 0;
}

.brand-name {
  display: block;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.02em;
}

.brand-sub {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold-300);
}

/* ===== 06. 导航 ===== */
.site-nav {
  justify-self: center;
  min-width: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(4px, 1.3vw, 20px);
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 10px 4px;
  font-size: 14.5px;
  font-weight: 500;
  color: rgba(247, 245, 240, .74);
  transition: color var(--dur) var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 4px;
  height: 1px;
  background: var(--gold-500);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.nav-link:hover,
.nav-link:focus-visible { color: var(--warm-050); }

.nav-link:hover::after,
.nav-link:focus-visible::after { transform: scaleX(1); }

.nav-link[aria-current="page"] {
  color: var(--gold-300);
  font-weight: 600;
}

.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--gold-300);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 12px;
}

.index-entry {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(247, 245, 240, .76);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.index-entry:hover,
.index-entry:focus-visible {
  color: var(--warm-050);
  border-color: var(--gold-500);
  background: rgba(200, 155, 60, .14);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-md);
  color: var(--warm-050);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  border-color: var(--gold-500);
  background: rgba(200, 155, 60, .14);
}

.nav-toggle-bars {
  position: relative;
  display: block;
  width: 18px;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  transition: background var(--dur) var(--ease);
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), top var(--dur) var(--ease);
}

.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { top: 0; transform: rotate(-45deg); }

.nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: rgba(11, 13, 15, .66);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.nav-scrim[hidden] { display: none; }

/* ===== 07. 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.btn-gold {
  background: var(--gold-500);
  color: var(--ink-950);
}

.btn-gold:hover,
.btn-gold:focus-visible {
  background: var(--gold-300);
}

.btn-signal {
  background: var(--signal-600);
  color: var(--warm-050);
}

.btn-signal:hover,
.btn-signal:focus-visible {
  background: var(--signal-300);
  color: var(--ink-950);
}

.btn-ghost {
  border-color: var(--line-dark);
  color: var(--warm-050);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--gold-500);
  color: var(--gold-300);
  background: rgba(200, 155, 60, .12);
}

.btn-outline-dark {
  border-color: var(--line-light);
  color: var(--ink-950);
}

.btn-outline-dark:hover,
.btn-outline-dark:focus-visible {
  border-color: var(--gold-500);
  background: rgba(200, 155, 60, .1);
}

/* ===== 08. 页脚 ===== */
.site-footer {
  margin-top: clamp(64px, 9vw, 140px);
  padding-bottom: clamp(36px, 4vw, 60px);
  background: var(--ink-950);
  color: var(--warm-050);
}

.footer-rule {
  height: 1px;
  background: var(--gold-500);
  opacity: .78;
  margin-bottom: 0;
}

.footer-inner {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(40px, 5vw, 76px) var(--gutter) 0;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.35fr;
  gap: clamp(24px, 3.4vw, 62px);
  align-items: start;
}

.footer-col { min-width: 0; }

.footer-title {
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold-300);
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer-list a {
  display: inline-block;
  font-size: 14.5px;
  color: var(--text-dim);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: var(--warm-050);
  padding-left: 5px;
}

.footer-brand .brand-name {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.02em;
}

.footer-note {
  margin-top: 14px;
  max-width: 34ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(247, 245, 240, .62);
}

.footer-meta {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gray-400);
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-key {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.contact-value {
  font-size: 14.5px;
  color: rgba(247, 245, 240, .88);
  word-break: break-word;
}

.footer-cta { margin-top: 20px; }

.footer-base {
  width: 100%;
  max-width: var(--maxw);
  margin: clamp(30px, 4vw, 54px) auto 0;
  padding: 20px var(--gutter) 0;
  border-top: 1px solid var(--line-dark);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--gray-400);
}

/* ===== 09. 布局外壳 ===== */
.shell {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.shell-wide { max-width: 1680px; }
.shell-narrow { max-width: 880px; }

.colonnade {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 300px;
  gap: clamp(22px, 3vw, 56px);
  align-items: start;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 2.4vw, 36px);
  min-width: 0;
}

.rail {
  position: sticky;
  top: calc(var(--header-h) + 26px);
  min-width: 0;
}

.rail-title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.rail-list {
  display: flex;
  flex-direction: column;
}

.rail-link {
  display: block;
  padding: 9px 14px;
  border-left: 2px solid var(--line-light);
  font-size: 14px;
  color: var(--graphite-600);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.rail-link:hover,
.rail-link:focus-visible {
  color: var(--ink-950);
  border-left-color: var(--gold-500);
  background: var(--paper-100);
}

.rail-link[aria-current="true"],
.rail-link.is-active {
  color: var(--ink-950);
  font-weight: 500;
  border-left-color: var(--gold-500);
  background: var(--paper-100);
}

.aside {
  position: sticky;
  top: calc(var(--header-h) + 26px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.aside-panel {
  padding: 20px 22px;
  border-radius: var(--r-lg);
  background: var(--paper-100);
}

/* 深色区域接管 */
.on-dark {
  background: var(--ink-950);
  color: var(--warm-050);
}

.on-dark .lead { color: var(--text-dim); }
.on-dark .rail-title { color: var(--gray-400); }

.on-dark .rail-link {
  color: rgba(247, 245, 240, .64);
  border-left-color: var(--line-dark);
}

.on-dark .rail-link:hover,
.on-dark .rail-link:focus-visible,
.on-dark .rail-link.is-active,
.on-dark .rail-link[aria-current="true"] {
  color: var(--warm-050);
  background: rgba(247, 245, 240, .07);
  border-left-color: var(--gold-500);
}

.on-dark .aside-panel {
  background: var(--ink-800);
  color: var(--warm-050);
}

.on-dark .prose { color: rgba(247, 245, 240, .84); }

/* ===== 10. 排版 ===== */
.section {
  padding: clamp(52px, 7.5vw, 116px) 0;
}

.section-label {
  display: inline-block;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold-500);
}

.on-dark .section-label { color: var(--gold-300); }

.h-display {
  font-size: clamp(40px, 9vw, 132px);
  font-weight: 800;
  line-height: .95;
  letter-spacing: -.03em;
}

.h1 {
  font-size: clamp(30px, 4.4vw, 56px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.02em;
}

.h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.02em;
}

.h3 {
  font-size: clamp(19px, 2vw, 23px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.01em;
}

.lead {
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.75;
  color: var(--graphite-600);
}

.prose {
  max-width: 68ch;
  color: var(--ink-950);
}

.prose > p + p { margin-top: 1.1em; }

.on-dark .prose > p + p { margin-top: 1.1em; }

/* ===== 11. 组件 ===== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border: 1px solid currentColor;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  line-height: 1.4;
}

.tag-gold { color: var(--gold-500); }
.tag-celadon { color: var(--celadon-600); }
.tag-signal { color: var(--signal-600); }
.tag-muted { color: var(--gray-400); }

.on-dark .tag-gold { color: var(--gold-300); }
.on-dark .tag-celadon { color: var(--celadon-300); }
.on-dark .tag-signal { color: var(--signal-300); }

.status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--graphite-600);
}

.status::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.status-ok { color: var(--celadon-600); }
.status-pending { color: var(--signal-600); }
.status-idle { color: var(--gray-400); }

.on-dark .status-ok { color: var(--celadon-300); }
.on-dark .status-pending { color: var(--signal-300); }

.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.spec-table {
  width: 100%;
  min-width: 520px;
  font-size: 15px;
}

.spec-table th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--graphite-600);
  border-bottom: 1px solid var(--ink-950);
  white-space: nowrap;
}

.spec-table td {
  padding: 15px 16px;
  vertical-align: top;
  border-bottom: 1px solid var(--line-light);
}

.spec-table tbody tr:nth-child(even) { background: var(--paper-100); }

.on-dark .spec-table th {
  color: var(--gray-400);
  border-bottom-color: var(--warm-050);
}

.on-dark .spec-table td { border-bottom-color: var(--line-dark); }
.on-dark .spec-table tbody tr:nth-child(even) { background: rgba(247, 245, 240, .05); }

.data-row {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-light);
}

.on-dark .data-row { border-bottom-color: var(--line-dark); }

.figure {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: var(--paper-100);
  aspect-ratio: 16 / 10;
}

.on-dark .figure { background: var(--ink-800); }

.figure > img,
.figure > svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure--empty::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(11, 13, 15, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 13, 15, .07) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.on-dark .figure--empty::after {
  background-image:
    linear-gradient(rgba(247, 245, 240, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247, 245, 240, .08) 1px, transparent 1px);
}

.figure-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: clamp(14px, 2vw, 26px);
}

.figure-caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--gray-400);
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--gray-400);
}

.crumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.crumbs li + li::before {
  content: "/";
  color: var(--gray-400);
}

.crumbs a {
  color: var(--graphite-600);
  transition: color var(--dur) var(--ease);
}

.crumbs a:hover,
.crumbs a:focus-visible { color: var(--gold-500); }

.on-dark .crumbs,
.on-dark .crumbs a { color: var(--gray-400); }
.on-dark .crumbs a:hover { color: var(--gold-300); }

/* ===== 12. 响应式 ===== */
@media (max-width: 1180px) {
  .colonnade { grid-template-columns: 220px minmax(0, 1fr); }
  .aside { grid-column: 1 / -1; position: static; }
}

@media (max-width: 1080px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 1040px) {
  :root { --header-h: 64px; }

  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 115;
    width: min(84vw, 330px);
    height: 100dvh;
    padding: calc(var(--header-h) + 30px) 26px 40px;
    background: var(--ink-800);
    border-right: 1px solid var(--line-dark);
    overflow-y: auto;
    transform: translateX(-102%);
    transition: transform 220ms var(--ease);
    justify-self: start;
  }

  .site-nav[data-open="true"] { transform: translateX(0); }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-link {
    display: block;
    padding: 16px 4px;
    font-size: 17px;
    border-bottom: 1px solid var(--line-dark);
  }

  .nav-link::after { display: none; }

  .nav-link[aria-current="page"] {
    color: var(--gold-300);
    border-bottom-color: rgba(200, 155, 60, .45);
  }

  .site-header[data-nav-open="true"] .nav-scrim { opacity: 1; }

  .colonnade { grid-template-columns: minmax(0, 1fr); }
  .rail { position: static; }
}

@media (max-width: 900px) {
  .colonnade { gap: 28px; }
}

@media (max-width: 720px) {
  body { font-size: 16px; line-height: 1.8; }
  .header-actions .btn-signal { display: none; }
  .data-row { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .spec-table { min-width: 460px; }
}

@media (max-width: 620px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-base { flex-direction: column; }
}

@media (max-width: 480px) {
  .header-actions .index-entry { display: none; }
  .brand-sub { display: none; }
}

/* ===== 13. 减少动效 ===== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}