/* ==========================================================================
   九州竞界 · 全站共享基础层
   /assets/site.css
   设计语言：模块化数据监控台 / 悬浮胶囊导航 / 锐利直角信息卡片
   ========================================================================== */

/* ---------- CSS 变量 ---------- */
:root {
  --deep-ink: #08121E;
  --panorama-blue: #0F2340;
  --terminal-green: #00E588;
  --pulse-orange: #FF4D00;
  --powder-white: #F0F6F2;
  --fog-gray: #B8C5C0;
  --data-cyan: #33D1C1;
  --line-white: #E8F0EC;
  --warning-yellow: #FFD166;
  --alert-red: #E63946;

  --font-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
  --font-head: 'Archivo Black', 'Noto Sans SC', sans-serif;
  --font-data: 'JetBrains Mono', 'SF Mono', monospace;

  --text-main: var(--powder-white);
  --text-dim: var(--fog-gray);
  --line-subtle: rgba(232, 240, 236, 0.12);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  --content-max: 1280px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset 与基础排版 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background: var(--deep-ink);
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  background: var(--deep-ink);
  color: var(--powder-white);
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeSpeed;
}

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

ul,
ol {
  padding: 0;
  margin: 0;
}

a {
  color: var(--terminal-green);
  text-decoration: none;
}

a:hover {
  color: var(--data-cyan);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-head);
  font-weight: 900;
  color: var(--powder-white);
  line-height: 1.25;
}

h1 {
  font-size: clamp(30px, 5vw, 48px);
}

h2 {
  font-size: clamp(24px, 3.5vw, 36px);
}

h3 {
  font-size: 20px;
}

h4 {
  font-size: 16px;
}

p {
  margin-bottom: 16px;
}

::selection {
  background: var(--terminal-green);
  color: var(--deep-ink);
}

.mono {
  font-family: var(--font-data);
}

/* ---------- 可访问性与焦点 ---------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

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

.skip-link {
  position: fixed;
  top: -56px;
  left: 16px;
  z-index: 600;
  padding: 10px 18px;
  background: var(--terminal-green);
  color: var(--deep-ink);
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  border-radius: 0;
  text-decoration: none;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.3);
  transition: top 0.2s ease;
}

.skip-link:hover {
  color: var(--deep-ink);
  background: var(--data-cyan);
}

.skip-link:focus {
  top: 12px;
  outline: 2px solid var(--powder-white);
  outline-offset: 2px;
}

#main-content {
  scroll-margin-top: 96px;
}

#main-content:focus {
  outline: none;
}

@media (min-width: 1024px) {
  ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }

  ::-webkit-scrollbar-track {
    background: var(--deep-ink);
  }

  ::-webkit-scrollbar-thumb {
    background: var(--panorama-blue);
    border: 2px solid var(--deep-ink);
    border-radius: 0;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: var(--terminal-green);
  }
}

/* ---------- 布局容器 ---------- */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-5);
  }
}

.site-main {
  min-height: 60vh;
}

/* ---------- 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 400;
  background: rgba(8, 18, 30, 0.88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(232, 240, 236, 0.08);
}

.ticker-strip {
  display: none;
  background: rgba(15, 35, 64, 0.35);
  border-bottom: 1px solid rgba(232, 240, 236, 0.06);
  overflow: hidden;
}

@media (min-width: 640px) {
  .ticker-strip {
    display: block;
  }
}

.ticker-strip__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 7px;
  padding-bottom: 7px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fog-gray);
  white-space: nowrap;
  overflow: hidden;
}

.ticker-strip__live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--terminal-green);
  font-weight: 700;
  text-transform: uppercase;
}

.ticker-strip__divider {
  width: 1px;
  height: 10px;
  background: rgba(232, 240, 236, 0.18);
  flex-shrink: 0;
}

.ticker-strip__item {
  color: var(--fog-gray);
}

.ticker-strip__item--warn {
  color: var(--pulse-orange);
  font-weight: 700;
  text-transform: uppercase;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 12px;
  padding-bottom: 12px;
}

@media (max-width: 899px) {
  .site-header__inner {
    padding-top: 10px;
    padding-bottom: 10px;
  }
}

/* 品牌胶囊 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px 6px 6px;
  background: rgba(15, 35, 64, 0.92);
  border: 1px solid rgba(232, 240, 236, 0.14);
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
  transition: border-color 0.2s ease;
}

.brand:hover {
  border-color: rgba(0, 229, 136, 0.55);
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  background: var(--terminal-green);
  color: var(--deep-ink);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 900;
  border-radius: 50%;
  line-height: 1;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.brand__name {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 900;
  color: var(--powder-white);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.brand__strap {
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--fog-gray);
  white-space: nowrap;
}

@media (max-width: 639px) {
  .brand {
    padding-right: 10px;
  }

  .brand__strap {
    display: none;
  }

  .brand__name {
    font-size: 15px;
  }
}

/* 移动端汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0;
  background: rgba(15, 35, 64, 0.9);
  border: 1px solid rgba(232, 240, 236, 0.16);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.nav-toggle:hover {
  border-color: rgba(0, 229, 136, 0.5);
}

.nav-toggle__bar {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--powder-white);
  transition: transform 0.25s var(--ease-out), opacity 0.2s ease;
}

.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);
}

@media (max-width: 899px) {
  .nav-toggle {
    display: flex;
  }
}

/* 导航 */
.site-nav {
  position: relative;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  margin: 0;
  list-style: none;
}

.site-nav__link {
  display: block;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--fog-gray);
  text-decoration: none;
  border-radius: 999px;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.site-nav__link:hover {
  color: var(--powder-white);
  background: rgba(0, 229, 136, 0.1);
}

.site-nav__link[aria-current="page"] {
  color: var(--deep-ink);
  background: var(--terminal-green);
  font-weight: 700;
}

@media (min-width: 900px) {
  .site-nav__list {
    background: rgba(15, 35, 64, 0.88);
    border: 1px solid rgba(232, 240, 236, 0.12);
    border-radius: 999px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  }

  .site-nav__link[aria-current="page"] {
    box-shadow: 0 2px 14px rgba(0, 229, 136, 0.35);
  }
}

@media (max-width: 899px) {
  .site-nav {
    position: absolute;
    top: calc(100% + 6px);
    left: 16px;
    right: 16px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    background: rgba(15, 35, 64, 0.98);
    border: 1px solid rgba(232, 240, 236, 0.14);
    border-radius: 14px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
    padding: 12px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out), visibility 0.25s;
    z-index: 300;
  }

  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav__list {
    display: grid;
    gap: 4px;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .site-nav__link {
    border-radius: 8px;
    padding: 12px 14px;
    font-size: 15px;
    border-left: 2px solid transparent;
  }

  .site-nav__link:hover {
    background: rgba(0, 229, 136, 0.1);
  }

  .site-nav__link[aria-current="page"] {
    background: rgba(0, 229, 136, 0.08);
    color: var(--terminal-green);
    border-left-color: var(--terminal-green);
    box-shadow: none;
  }
}

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: var(--space-9);
  background: linear-gradient(180deg, var(--deep-ink) 0%, var(--panorama-blue) 120%);
  border-top: 2px solid var(--terminal-green);
}

.site-footer__inner {
  max-width: var(--content-max);
  margin-inline: auto;
  padding: var(--space-7) var(--space-4) var(--space-6);
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .site-footer__inner {
    grid-template-columns: 2fr 1.2fr 1.5fr;
    gap: var(--space-7);
    padding-inline: var(--space-5);
  }
}

.site-footer__logo {
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 900;
  color: var(--powder-white);
  letter-spacing: 0.06em;
}

.site-footer__strap {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--terminal-green);
  margin-top: 4px;
}

.site-footer__note {
  max-width: 380px;
  margin-top: 16px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--fog-gray);
  border-left: 2px solid rgba(0, 229, 136, 0.5);
  padding-left: 12px;
}

.site-footer__heading {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--terminal-green);
  margin: 0 0 14px;
}

.site-footer__list {
  display: grid;
  gap: 2px;
}

.site-footer__list a {
  display: inline-block;
  padding: 6px 0;
  color: var(--fog-gray);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}

.site-footer__list a:hover {
  color: var(--terminal-green);
  transform: translateX(3px);
}

.site-footer__contact {
  display: grid;
  gap: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fog-gray);
}

.site-footer__contact li {
  padding-left: 14px;
  position: relative;
}

.site-footer__contact li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--terminal-green);
  font-family: var(--font-data);
}

@media (max-width: 767px) {
  .site-footer__col {
    border-top: 1px solid rgba(232, 240, 236, 0.1);
    padding-top: 20px;
  }
}

.site-footer__meta {
  max-width: var(--content-max);
  margin-inline: auto;
  padding: 16px var(--space-4);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 20px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fog-gray);
  border-top: 1px solid rgba(232, 240, 236, 0.1);
}

@media (min-width: 768px) {
  .site-footer__meta {
    padding-inline: var(--space-5);
  }
}

/* ---------- 章节标题与面包屑 ---------- */
.section-head {
  margin-bottom: 28px;
}

.section-head__kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--terminal-green);
  margin-bottom: 8px;
}

.section-head__kicker::before {
  content: "//";
  opacity: 0.8;
}

.section-head__title {
  font-family: var(--font-head);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--powder-white);
}

.section-head__desc {
  max-width: 560px;
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog-gray);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  font-family: var(--font-data);
  font-size: 12px;
}

.breadcrumb li {
  display: flex;
  align-items: center;
}

.breadcrumb li + li::before {
  content: "/";
  margin: 0 8px;
  color: rgba(0, 229, 136, 0.55);
}

.breadcrumb a {
  color: var(--fog-gray);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--terminal-green);
}

.breadcrumb [aria-current="page"] {
  color: var(--powder-white);
  font-weight: 700;
}

.kicker {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--terminal-green);
}

.kicker--orange {
  color: var(--pulse-orange);
}

.kicker--dim {
  color: var(--fog-gray);
}

.divider {
  border: none;
  height: 1px;
  background: var(--line-subtle);
  margin: var(--space-6) 0;
}

.divider--glow {
  background: linear-gradient(90deg, var(--terminal-green), rgba(232, 240, 236, 0.12));
}

/* ---------- 正文排版 ---------- */
.rich-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog-gray);
}

.rich-text h1,
.rich-text h2,
.rich-text h3 {
  margin: 28px 0 12px;
}

.rich-text h2 {
  font-size: 24px;
}

.rich-text h3 {
  font-size: 18px;
}

.rich-text p {
  margin-bottom: 16px;
}

.rich-text ul {
  list-style: disc;
  padding-left: 1.3em;
  margin-bottom: 16px;
}

.rich-text ol {
  list-style: decimal;
  padding-left: 1.3em;
  margin-bottom: 16px;
}

.rich-text li {
  margin-bottom: 4px;
}

.rich-text a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.rich-text strong {
  color: var(--powder-white);
}

/* ---------- Bento 网格 ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 20px;
}

.grid__col-4 {
  grid-column: span 4;
}

.grid__col-5 {
  grid-column: span 5;
}

.grid__col-6 {
  grid-column: span 6;
}

.grid__col-7 {
  grid-column: span 7;
}

.grid__col-8 {
  grid-column: span 8;
}

.grid__col-12 {
  grid-column: span 12;
}

@media (max-width: 899px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .grid__col-4,
  .grid__col-8 {
    grid-column: span 1;
  }

  .grid__col-5,
  .grid__col-6,
  .grid__col-7,
  .grid__col-12 {
    grid-column: span 2;
  }
}

/* ---------- 信息面板 ---------- */
.panel {
  position: relative;
  background: linear-gradient(180deg, rgba(15, 35, 64, 0.95), rgba(8, 18, 30, 0.9));
  border: 1px solid rgba(232, 240, 236, 0.12);
  border-radius: 0;
  padding: 20px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.panel:hover {
  border-color: rgba(0, 229, 136, 0.45);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.panel--feature {
  border-color: rgba(0, 229, 136, 0.35);
  background:
    linear-gradient(180deg, rgba(0, 229, 136, 0.08), rgba(8, 18, 30, 0) 60%),
    var(--panorama-blue);
}

.panel--accent {
  background: rgba(0, 229, 136, 0.07);
  border-color: rgba(0, 229, 136, 0.22);
}

.panel--solid {
  background: var(--terminal-green);
  border-color: var(--terminal-green);
  color: var(--deep-ink);
}

.panel__title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--powder-white);
  margin: 8px 0 4px;
}

.panel--solid .panel__title {
  color: var(--deep-ink);
}

.panel__meta {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fog-gray);
}

.panel--solid .panel__meta {
  color: rgba(8, 18, 30, 0.65);
}

/* ---------- 数据数字与刻度 ---------- */
.stat-num {
  font-family: var(--font-data);
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
  color: var(--powder-white);
  letter-spacing: -0.02em;
}

.stat-num--sm {
  font-size: 20px;
}

.stat-num--lg {
  font-size: 48px;
}

.stat-num--green {
  color: var(--terminal-green);
}

.stat-num--orange {
  color: var(--pulse-orange);
}

.stat-label {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fog-gray);
  margin-top: 6px;
}

/* ---------- 状态标签 ---------- */
.tag {
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--font-data);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--powder-white);
  background: var(--panorama-blue);
  border: 1px solid rgba(232, 240, 236, 0.2);
  border-radius: 0;
  white-space: nowrap;
}

.tag--live {
  background: var(--terminal-green);
  border-color: var(--terminal-green);
  color: var(--deep-ink);
}

.tag--warn {
  background: var(--warning-yellow);
  border-color: var(--warning-yellow);
  color: var(--deep-ink);
}

.tag--danger {
  background: var(--alert-red);
  border-color: var(--alert-red);
  color: var(--powder-white);
}

.tag--orange {
  background: var(--pulse-orange);
  border-color: var(--pulse-orange);
  color: var(--powder-white);
}

/* ---------- 数据表格 ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th {
  font-family: var(--font-data);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fog-gray);
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(232, 240, 236, 0.22);
  white-space: nowrap;
}

.data-table td {
  padding: 12px;
  border-bottom: 1px solid rgba(232, 240, 236, 0.08);
  color: var(--powder-white);
}

.data-table tbody tr {
  transition: background 0.15s ease;
}

.data-table tbody tr:hover {
  background: rgba(0, 229, 136, 0.06);
}

.data-table__num {
  font-family: var(--font-data);
  color: var(--terminal-green);
}

.data-table__num--hot {
  color: var(--pulse-orange);
}

.data-table__right {
  text-align: right;
}

/* ---------- 时间轴 ---------- */
.timeline {
  position: relative;
  padding-left: 24px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: rgba(232, 240, 236, 0.12);
}

.timeline__item {
  position: relative;
  padding-bottom: 22px;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--deep-ink);
  border: 2px solid var(--terminal-green);
  border-radius: 0;
}

.timeline__item--orange::before {
  border-color: var(--pulse-orange);
}

.timeline__item--dim::before {
  border-color: var(--fog-gray);
}

.timeline__meta {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fog-gray);
}

.timeline__title {
  font-weight: 700;
  color: var(--powder-white);
  font-size: 15px;
  margin-top: 4px;
}

.timeline__desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--fog-gray);
  margin-top: 4px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--deep-ink);
  background: var(--terminal-green);
  border: 1px solid var(--terminal-green);
  border-radius: 0;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.btn:hover {
  background: var(--data-cyan);
  border-color: var(--data-cyan);
  color: var(--deep-ink);
}

.btn:active {
  transform: translateY(1px);
}

.btn--ghost {
  color: var(--powder-white);
  background: transparent;
  border-color: rgba(232, 240, 236, 0.28);
}

.btn--ghost:hover {
  border-color: var(--terminal-green);
  color: var(--terminal-green);
  background: rgba(0, 229, 136, 0.06);
}

.btn--small {
  padding: 8px 14px;
  font-size: 12px;
}

/* ---------- 图片容器 ---------- */
.image-shell {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: linear-gradient(135deg, var(--panorama-blue) 0%, var(--deep-ink) 100%);
  border: 1px solid rgba(232, 240, 236, 0.12);
  border-radius: 0;
}

.image-shell--hero {
  aspect-ratio: 21 / 9;
}

.image-shell--portrait {
  aspect-ratio: 3 / 4;
}

.image-shell--square {
  aspect-ratio: 1 / 1;
}

.image-shell > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-shell__placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background:
    linear-gradient(180deg, rgba(0, 229, 136, 0.12) 0%, rgba(0, 0, 0, 0) 50%),
    repeating-linear-gradient(0deg, transparent 0px, transparent 23px, rgba(232, 240, 236, 0.06) 23px, rgba(232, 240, 236, 0.06) 24px),
    repeating-linear-gradient(90deg, transparent 0px, transparent 23px, rgba(232, 240, 236, 0.06) 23px, rgba(232, 240, 236, 0.06) 24px),
    var(--panorama-blue);
}

.image-shell__placeholder::after {
  content: attr(data-image-label);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--terminal-green);
  border: 1px solid rgba(0, 229, 136, 0.35);
  padding: 6px 10px;
  background: rgba(8, 18, 30, 0.6);
}

/* ---------- 脉冲点 ---------- */
.pulse-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--terminal-green);
  position: relative;
  flex-shrink: 0;
}

.pulse-dot::after {
  content: "";
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 1px solid var(--terminal-green);
  animation: pulse-ring 1.2s ease-out infinite;
  pointer-events: none;
}

.pulse-dot--orange {
  background: var(--pulse-orange);
}

.pulse-dot--orange::after {
  border-color: var(--pulse-orange);
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.5);
    opacity: 0.9;
  }

  80%,
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* ---------- 滚动进度条 ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  z-index: 520;
  background: linear-gradient(90deg, var(--terminal-green) 0%, var(--data-cyan) 60%, var(--pulse-orange) 100%);
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: 0 50%;
  pointer-events: none;
  box-shadow: 0 0 12px rgba(0, 229, 136, 0.35);
}

/* ---------- 滚动显现 ---------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

html.js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html.js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .pulse-dot::after {
    animation: none;
    opacity: 0;
  }
}