/* ========== 01 Reset ========== */
*, *::before, *::after {
  box-sizing: border-box;
}
body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd {
  margin: 0;
}
ul, ol {
  margin: 0;
  padding: 0;
}
ul[class], ol[class] {
  list-style: none;
}
h1, h2, h3, h4, h5, h6, p {
  font-size: inherit;
  font-weight: inherit;
}
img, picture, video, svg {
  display: block;
  max-width: 100%;
}
button, input, select, textarea {
  font: inherit;
  color: inherit;
}
a {
  color: inherit;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto !important;
  }
}

/* ========== 02 Tokens ========== */
:root {
  --c-deep: #0B1B3F;
  --c-green: #B6FF00;
  --c-orange: #FF7A00;
  --c-cyan: #00E0C6;
  --c-night: #11235A;
  --c-silver: #9AA8C7;
  --c-cloud: #F0F4FA;
  --c-red: #E8434E;
  --c-track: #2A3B6E;
  --c-white: #FFFFFF;

  --font-head: "DIN Condensed", "Bebas Neue", "PingFang SC", sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;

  --container: 1200px;
  --header-h: 72px;
  --radius: 4px;
  --t-fast: 0.2s ease;
  --t-med: 0.4s ease;
}
@media (max-width: 767px) {
  :root {
    --header-h: 60px;
  }
}

/* ========== 03 Base & Chinese Typography ========== */
html {
  font-family: var(--font-body);
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-deep);
  background: var(--c-cloud);
  overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  line-height: 1.2;
  font-weight: 600;
  color: var(--c-deep);
}
h1 { font-size: 48px; }
h2 { font-size: 32px; }
h3 { font-size: 24px; }
h4 { font-size: 20px; }
p { margin-bottom: 1em; }
a { text-decoration: none; }
::selection {
  background: var(--c-green);
  color: var(--c-deep);
}
:focus-visible {
  outline: 3px solid var(--c-green);
  outline-offset: 2px;
  border-radius: 2px;
}
#main-content {
  scroll-margin-top: calc(var(--header-h) + 12px);
}
[data-reveal] {
  opacity: 0;
  transform: translate3d(0, 24px, 0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal][data-revealed] {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ========== 04 Utilities ========== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: absolute;
  top: -48px;
  left: 16px;
  z-index: 9999;
  padding: 10px 18px;
  background: var(--c-green);
  color: var(--c-deep);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 0 0 4px 4px;
  transition: top var(--t-fast);
}
.skip-link:focus-visible {
  top: 0;
  outline: none;
}
.divider {
  display: block;
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, var(--c-track), transparent 85%);
  margin: 32px 0;
}
.text-lead {
  font-size: 20px;
  line-height: 1.6;
  color: var(--c-deep);
}
.section--deep .text-lead,
.section--night .text-lead {
  color: var(--c-cloud);
}

/* ========== 05 Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 3px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  transition: background-color var(--t-fast), color var(--t-fast),
    border-color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(11, 27, 63, 0.14);
}
.btn:active {
  transform: translateY(0);
}
.btn-green {
  background: var(--c-green);
  color: var(--c-deep);
}
.btn-green:hover {
  background: #c9ff3d;
  color: var(--c-deep);
}
.btn-orange {
  background: var(--c-orange);
  color: var(--c-deep);
}
.btn-orange:hover {
  background: #ff9126;
  color: var(--c-deep);
}
.btn-ghost {
  background: transparent;
  border-color: var(--c-track);
  color: var(--c-white);
}
.btn-ghost:hover {
  border-color: var(--c-green);
  color: var(--c-green);
}
.btn--lg {
  padding: 14px 34px;
  font-size: 16px;
}
.btn--sm {
  padding: 6px 14px;
  font-size: 13px;
}

/* ========== 06 Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--c-deep);
}
.header-inner {
  position: relative;
  z-index: 20;
  max-width: var(--container);
  margin: 0 auto;
  height: var(--header-h);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}
.brand-mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  background: var(--c-night);
  border: 1px solid var(--c-track);
  border-radius: 6px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-green);
  line-height: 1;
}
.brand-mark::after {
  content: "";
  position: absolute;
  left: 5px;
  right: 5px;
  bottom: 4px;
  height: 2px;
  border-radius: 1px;
  background: linear-gradient(90deg, var(--c-green) 0, var(--c-green) 55%, var(--c-track) 55%, var(--c-track) 100%);
}
.brand-live {
  position: absolute;
  top: 5px;
  right: 5px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-orange);
  box-shadow: 0 0 0 3px rgba(255, 122, 0, 0.22);
}
.brand-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.brand-name {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.05;
  color: var(--c-white);
}
.brand-sub {
  margin-top: 3px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-silver);
  white-space: nowrap;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  z-index: 10;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-item {
  margin: 0;
}
.nav-link {
  position: relative;
  display: block;
  padding: 8px 0;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--c-silver);
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--t-fast);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  background: var(--c-green);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--t-med);
}
.nav-link:hover,
.nav-link:focus-visible,
.nav-link[aria-current="page"] {
  color: var(--c-white);
}
.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}
.nav-cta {
  margin-left: 4px;
  padding: 8px 16px;
  font-size: 13px;
}
.nav-toggle {
  display: none;
}
.header-rule {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--c-track);
}
.header-rule-fill {
  position: relative;
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-green));
}
.header-rule-fill::after {
  content: "";
  position: absolute;
  top: -2px;
  right: -1px;
  width: 6px;
  height: 7px;
  border-radius: 1px;
  background: var(--c-orange);
}

@media (max-width: 1023px) {
  .nav-toggle {
    position: relative;
    z-index: 220;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: transparent;
    border: 1px solid var(--c-track);
    border-radius: 6px;
    cursor: pointer;
    flex-shrink: 0;
  }
  .nav-toggle-bar {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--c-white);
    transition: transform var(--t-med), opacity var(--t-fast), background-color var(--t-fast);
  }
  .nav-toggle:hover .nav-toggle-bar {
    background-color: var(--c-green);
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 320px;
    width: min(320px, 84vw);
    margin: 0;
    padding: calc(var(--header-h) + 24px) 24px 32px;
    background: var(--c-deep);
    border-left: 1px solid var(--c-track);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    overflow-y: auto;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform var(--t-med), visibility 0s linear var(--t-med);
    z-index: 10;
  }
  .site-nav[data-open] {
    transform: translateX(0);
    visibility: visible;
    transition: transform var(--t-med), visibility 0s;
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .nav-item {
    border-bottom: 1px solid var(--c-track);
  }
  .nav-link {
    padding: 14px 4px;
    font-size: 16px;
  }
  .nav-cta {
    margin: 20px 0 0;
    width: 100%;
    justify-content: center;
  }
  body[data-nav-open] {
    overflow: hidden;
  }
  body[data-nav-open]::after {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(11, 27, 63, 0.65);
    z-index: 150;
    pointer-events: none;
  }
}

@media (max-width: 479px) {
  .brand-mark {
    width: 40px;
    height: 40px;
    font-size: 15px;
  }
  .brand-name {
    font-size: 17px;
  }
  .brand-sub {
    display: none;
  }
  .header-inner {
    padding: 0 16px;
  }
}

/* ========== 07 Footer ========== */
.site-footer {
  position: relative;
  background: var(--c-deep);
  color: var(--c-silver);
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 24px;
  right: 2%;
  width: 280px;
  height: 160px;
  background:
    repeating-linear-gradient(90deg, rgba(154, 168, 199, 0.12) 0 1px, transparent 1px 16px),
    repeating-linear-gradient(0deg, rgba(154, 168, 199, 0.12) 0 1px, transparent 1px 16px);
  opacity: 0.5;
  pointer-events: none;
}
.footer-rule {
  position: relative;
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-green));
}
.footer-rule::after {
  content: "";
  position: absolute;
  top: -4px;
  right: 16%;
  width: 12px;
  height: 12px;
  background: var(--c-orange);
  clip-path: polygon(50% 100%, 0 0, 100% 0);
}
.footer-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: minmax(260px, 1.2fr) 2.8fr;
  gap: 48px;
}
.footer-brand-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.1;
  color: var(--c-white);
  text-decoration: none;
}
.footer-brand::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 0, 0.2);
}
.footer-brand-sub {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-silver);
}
.footer-about {
  max-width: 360px;
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-silver);
}
.footer-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 13px;
  color: var(--c-silver);
}
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 0 3px rgba(176, 255, 0, 0.2);
  animation: statusPulse 2s ease-in-out infinite;
}
.status-text {
  font-size: 13px;
  color: var(--c-silver);
}
@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
@media (prefers-reduced-motion: reduce) {
  .status-dot {
    animation: none;
  }
}
.footer-note {
  max-width: 300px;
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-silver);
  opacity: 0.9;
}
.footer-nav-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer-col {
  min-width: 0;
}
.footer-col-title {
  position: relative;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding-bottom: 10px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--c-track);
  color: var(--c-white);
}
.footer-col-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 28px;
  height: 2px;
  background: var(--c-green);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  list-style: none;
}
.footer-links a {
  position: relative;
  display: inline-block;
  padding-left: 0;
  color: var(--c-silver);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--t-fast), padding-left var(--t-fast);
}
.footer-links a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 2px;
  background: var(--c-green);
  transition: width var(--t-fast);
}
.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--c-green);
  padding-left: 14px;
}
.footer-links a:hover::before,
.footer-links a:focus-visible::before {
  width: 8px;
}
.footer-bottom {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--c-track);
  padding: 16px 24px;
}
.footer-bottom-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 13px;
  color: var(--c-silver);
}
.footer-copy {
  color: var(--c-silver);
}
.footer-icp {
  letter-spacing: 0.04em;
  color: var(--c-silver);
}

@media (max-width: 1023px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-about {
    max-width: 520px;
  }
}
@media (max-width: 767px) {
  .footer-inner {
    padding-top: 40px;
  }
  .footer-nav-cols {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}
@media (max-width: 479px) {
  .footer-nav-cols {
    grid-template-columns: 1fr;
  }
  .footer-bottom-inner {
    justify-content: center;
    text-align: center;
  }
}

/* ========== 08 Layout & Sections ========== */
.section {
  padding: 72px 0;
}
.section--tight {
  padding: 48px 0;
}
.section--deep {
  background: var(--c-deep);
}
.section--night {
  background: var(--c-night);
}
.section--cloud {
  background: var(--c-cloud);
}
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
}
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-orange);
}
.section-kicker::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--c-orange);
}
.section-title {
  margin-top: 8px;
  font-size: 32px;
  line-height: 1.2;
}
.section-desc {
  max-width: 520px;
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-track);
}
.section--deep .section-desc,
.section--night .section-desc {
  color: var(--c-silver);
}
.section--deep .section-title,
.section--night .section-title {
  color: var(--c-white);
}

/* ========== 09 Grids ========== */
.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 24px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1023px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }
}

/* ========== 10 Breadcrumb ========== */
.breadcrumb {
  padding-bottom: 16px;
}
.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  font-size: 13px;
}
.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb-item:not(:last-child)::after {
  content: "/";
  font-size: 12px;
  color: var(--c-track);
}
.breadcrumb-link {
  color: var(--c-track);
  text-decoration: none;
  transition: color var(--t-fast);
}
.breadcrumb-link:hover {
  color: var(--c-green);
}
.breadcrumb-current {
  color: var(--c-white);
  font-weight: 500;
}

/* ========== 11 Page Hero ========== */
.page-hero {
  position: relative;
  padding: 56px 0 48px;
  background: var(--c-deep);
  color: var(--c-white);
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 45%;
  height: 100%;
  background: repeating-linear-gradient(90deg, rgba(176, 255, 0, 0.09) 0 1px, transparent 1px 20px);
  pointer-events: none;
}
.page-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.page-hero .breadcrumb-link {
  color: var(--c-silver);
}
.page-hero .breadcrumb-current {
  color: var(--c-white);
}

/* ========== 12 Cards, Tags, Prose ========== */
.card {
  background: var(--c-white);
  border: 1px solid var(--c-cloud);
  border-bottom: 3px solid var(--c-track);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-fast);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 32px rgba(11, 27, 63, 0.10);
  border-color: var(--c-track);
}
.card--green {
  border-bottom-color: var(--c-green);
}
.card--orange {
  border-bottom-color: var(--c-orange);
}
.card--night {
  background: var(--c-night);
  color: var(--c-white);
  border-color: var(--c-track);
  border-bottom: 3px solid var(--c-track);
}
.card--night .card-title {
  color: var(--c-white);
}
.card--night .card-text {
  color: var(--c-silver);
}
.card-title {
  margin-bottom: 8px;
  font-size: 20px;
  line-height: 1.3;
}
.card-text {
  color: var(--c-track);
  font-size: 14px;
  line-height: 1.7;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 12px;
  border-radius: 2px;
  background: var(--c-cloud);
  border: 1px solid var(--c-track);
  color: var(--c-deep);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.5;
}
.tag--green {
  background: var(--c-green);
  border-color: var(--c-green);
  color: var(--c-deep);
}
.tag--orange {
  background: var(--c-orange);
  border-color: var(--c-orange);
  color: var(--c-deep);
}
.prose {
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-deep);
}
.prose h2 {
  margin: 32px 0 12px;
  font-size: 24px;
}
.prose h3 {
  margin: 28px 0 10px;
  font-size: 20px;
}
.prose p {
  margin-bottom: 1em;
}
.prose ul,
.prose ol {
  padding-left: 1.5em;
  margin-bottom: 1em;
}
.prose a {
  color: var(--c-deep);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--c-green);
  text-underline-offset: 4px;
  transition: color var(--t-fast);
}
.prose a:hover {
  color: var(--c-orange);
}
.section--deep .prose,
.section--night .prose {
  color: var(--c-cloud);
}
.section--deep .prose a,
.section--night .prose a {
  color: var(--c-green);
}

/* ========== 13 Data Visuals ========== */
.speed-line {
  display: block;
  height: 3px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--c-cyan) 25%, var(--c-green) 55%, transparent 90%);
}
.speed-line--orange {
  background: linear-gradient(90deg, transparent, var(--c-orange) 30%, transparent 85%);
}
.tick-row {
  display: block;
  height: 8px;
  background: repeating-linear-gradient(90deg, var(--c-track) 0, var(--c-track) 1px, transparent 1px, transparent 12px);
}
.data-node {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-track);
}
.data-node::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 0 4px rgba(176, 255, 0, 0.16);
}
.data-node--orange::before {
  background: var(--c-orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 0, 0.16);
}
.data-node--cyan::before {
  background: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(0, 224, 198, 0.16);
}

/* ========== 14 Frames & Images ========== */
.frame-panel {
  position: relative;
  padding: 32px 28px;
  border: 1px solid var(--c-track);
  background:
    linear-gradient(rgba(176, 255, 0, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(176, 255, 0, 0.04) 1px, transparent 1px),
    radial-gradient(90% 120% at 90% 0%, rgba(0, 224, 198, 0.1), transparent 50%),
    var(--c-night);
  background-size: 32px 32px, 32px 32px, auto, auto;
  color: var(--c-white);
}
.frame-panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 28px;
  height: 28px;
  border-top: 3px solid var(--c-green);
  border-left: 3px solid var(--c-green);
  pointer-events: none;
}
.frame-panel::after {
  content: "";
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 28px;
  height: 28px;
  border-bottom: 3px solid var(--c-orange);
  border-right: 3px solid var(--c-orange);
  pointer-events: none;
}
.frame-panel--light {
  background:
    linear-gradient(rgba(11, 27, 63, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 27, 63, 0.05) 1px, transparent 1px),
    var(--c-cloud);
  background-size: 32px 32px;
  color: var(--c-deep);
}
.frame-label {
  position: absolute;
  top: -11px;
  left: 20px;
  padding: 2px 12px;
  background: var(--c-green);
  border-radius: 2px;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-deep);
  text-transform: uppercase;
}
.img-frame {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--c-track);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(90deg, rgba(154, 168, 199, 0.1) 0 1px, transparent 1px 18px),
    linear-gradient(135deg, var(--c-night), var(--c-deep));
  overflow: hidden;
}
.img-frame::after {
  content: "HTH·MEDIA";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.22em;
  color: rgba(176, 255, 0, 0.4);
}
.img-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.img-frame:has(> img)::after,
.img-frame--loaded::after {
  display: none;
}
.img-frame--4x3 {
  aspect-ratio: 4 / 3;
}
.img-frame--1x1 {
  aspect-ratio: 1 / 1;
}