/* ============================================================
   瑞祥电竞 · 共享样式表 /assets/site.css
   00 reset · 01 变量 · 02 中文排版 · 03 通用布局 · 04 共享头部
   05 共享页脚 · 06 按钮 · 07 基础组件 · 08 响应式 · 09 动效尊重
   ============================================================ */

/* ---------- 00 reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 118px;
}

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

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

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

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

button { background: none; border: 0; cursor: pointer; }

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

details > summary { list-style: none; cursor: pointer; }
details > summary::-webkit-details-marker { display: none; }

table { border-collapse: collapse; width: 100%; }

/* ---------- 01 变量 ---------- */
:root {
  --void: #070B14;
  --panel: #0F1A2E;
  --panel-2: #0B1322;
  --line: #1C2C46;
  --paper: #F3E9D6;
  --paper-line: #D9C9A6;
  --paper-muted: #6B5540;
  --ink: #241A12;
  --cyan: #21F3D0;
  --cyan-deep: #5CFFE2;
  --orange: #FF5C2B;
  --violet: #A472FF;
  --lime: #7DFF9B;
  --amber: #FFC93C;
  --mist: #93A6C4;
  --coral: #D94F2B;
  --text: #EBF2FF;

  --font-display: "Oswald", "Archivo Narrow", "Arial Narrow", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", system-ui, sans-serif;
  --font-body: "Inter", "HarmonyOS Sans SC", "PingFang SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-data: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Noto Sans Mono CJK SC", monospace;

  --wrap-max: 1480px;
  --gutter: clamp(16px, 3.2vw, 44px);
  --radius: 2px;
  --ring: 2px solid var(--cyan);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- 02 中文排版 ---------- */
body {
  min-height: 100%;
  background-color: var(--void);
  background-image:
    repeating-linear-gradient(0deg, rgba(28, 44, 70, .46) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(90deg, rgba(28, 44, 70, .46) 0 1px, transparent 1px 96px);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  letter-spacing: .01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

@media (min-width: 900px) {
  body { font-size: 1.0625rem; line-height: 1.75; }
}

h1, h2, h3, h4,
.u-display {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
  line-height: 1.12;
  text-wrap: balance;
}

h1 { font-size: clamp(2.2rem, 5vw, 4.6rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.6rem); }
h3 { font-size: 1.25rem; letter-spacing: .04em; }
h4 { font-size: 1rem; letter-spacing: .12em; color: var(--mist); }

p { text-wrap: pretty; }

.data-num, .u-data {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
  white-space: nowrap;
}

::selection { background: var(--cyan); color: var(--void); }

:focus-visible {
  outline: var(--ring);
  outline-offset: 2px;
}

/* ---------- 03 通用布局 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(14px, 1.6vw, 24px);
}

.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-12 { grid-column: span 12; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 200;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 18px;
  background: var(--cyan);
  color: #04120F;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .8125rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  transition: top .16s var(--ease);
}
.skip-link:focus { top: 12px; }

.prose { max-width: 72ch; }
.prose p { margin-bottom: 1.2em; }
.prose h2, .prose h3 { margin: 1.6em 0 .6em; }
.prose ul, .prose ol { margin: 0 0 1.2em; padding-left: 1.3em; list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: .4em; }
.prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.prose blockquote {
  margin: 1.4em 0;
  padding: 14px 18px;
  border-left: 3px solid var(--orange);
  background: rgba(255, 92, 43, .07);
}
.prose code {
  font-family: var(--font-data);
  font-size: .9em;
  padding: 2px 6px;
  background: rgba(28, 44, 70, .8);
  border-radius: var(--radius);
}
.paper .prose a,
.card--paper .prose a { color: var(--coral); }

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(14px, 2vw, 24px);
  font-family: var(--font-data);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--mist);
}
.crumbs a { padding: 4px 0; }
.crumbs a:hover { color: var(--cyan); }
.crumbs__sep { color: var(--line); }
.crumbs [aria-current="page"] { color: var(--text); }

.chapter-rail {
  display: grid;
  gap: 2px;
  border-left: 1px solid var(--line);
  padding-left: 12px;
}

.chapter-link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  margin-left: -13px;
  padding: 8px 10px 8px 13px;
  border-left: 2px solid transparent;
  font-family: var(--font-data);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--mist);
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}
.chapter-link:hover {
  color: var(--text);
  border-left-color: var(--orange);
}
.chapter-link[aria-current="true"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, rgba(33, 243, 208, .12), transparent);
}

.tick-rule {
  height: 14px;
  border-bottom: 1px solid var(--line);
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 14px);
}

.frame {
  position: relative;
  padding: clamp(18px, 3vw, 48px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(15, 26, 46, .74), rgba(7, 11, 20, .94));
}
.frame::before,
.frame::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--cyan);
  pointer-events: none;
}
.frame::before { top: -2px; left: -2px; border-right: 0; border-bottom: 0; }
.frame::after { bottom: -2px; right: -2px; border-left: 0; border-top: 0; }

.band {
  --accent: var(--cyan);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px clamp(12px, 2vw, 26px);
  margin-bottom: clamp(20px, 3vw, 36px);
  padding-top: 14px;
  border-top: 2px solid var(--accent);
}
.band--cyan { --accent: var(--cyan); }
.band--orange { --accent: var(--orange); }
.band--violet { --accent: var(--violet); }
.band--amber { --accent: var(--amber); }
.band--lime { --accent: var(--lime); }

.band__num {
  font-family: var(--font-data);
  font-size: .8125rem;
  letter-spacing: .22em;
  color: var(--accent);
}
.band__title {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  letter-spacing: .06em;
  line-height: 1.1;
}
.band__meta {
  margin-left: auto;
  font-family: var(--font-data);
  font-size: .75rem;
  color: var(--mist);
}

/* ---------- 04 共享头部 ---------- */
.cmd-bar {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(7, 11, 20, .94);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.cmd-bar__ticks {
  height: 5px;
  border-bottom: 1px solid var(--line);
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 22px);
  opacity: .85;
}

.cmd-progress {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
}
.cmd-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--lime), var(--cyan) 42%, var(--violet) 78%, var(--orange));
}

.cmd-bar__top {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(10px, 2vw, 28px);
  padding-block: 10px;
}

.cmd-brand { min-width: 0; }
.cmd-brand__link {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 4px 2px;
}
.cmd-brand__mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .9375rem;
  letter-spacing: .04em;
  background: linear-gradient(140deg, rgba(33, 243, 208, .18), transparent 70%);
}
.cmd-brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.25;
}
.cmd-brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: .14em;
}
.cmd-brand__desc {
  font-size: .6875rem;
  letter-spacing: .08em;
  color: var(--mist);
  white-space: nowrap;
}

.cmd-region {
  display: flex;
  align-items: center;
  gap: 2px;
  justify-self: start;
  max-width: 100%;
  padding: 3px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  overflow-x: auto;
  scrollbar-width: none;
}
.cmd-region::-webkit-scrollbar { display: none; }
.cmd-region__label {
  padding: 0 8px 0 4px;
  font-family: var(--font-data);
  font-size: .625rem;
  letter-spacing: .18em;
  color: var(--mist);
  text-transform: uppercase;
}
.cmd-region__btn {
  min-width: 44px;
  min-height: 32px;
  padding: 6px 8px;
  border: 1px solid transparent;
  font-family: var(--font-data);
  font-size: .6875rem;
  letter-spacing: .06em;
  color: var(--mist);
  transition: color .16s var(--ease), background-color .16s var(--ease), border-color .16s var(--ease);
}
.cmd-region__btn:hover {
  color: var(--text);
  border-color: var(--line);
}
.cmd-region__btn[aria-pressed="true"] {
  color: #04120F;
  background: var(--cyan);
  border-color: var(--cyan);
}

.cmd-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-self: end;
}

.cmd-bar__navrow { position: relative; }

.cmd-nav {
  display: flex;
  align-items: center;
  gap: clamp(8px, 2vw, 28px);
  border-top: 1px solid var(--line);
}
.cmd-nav__list {
  display: flex;
  flex: 1 1 auto;
  flex-wrap: wrap;
  gap: clamp(2px, .8vw, 10px);
}
.cmd-nav__item { display: flex; }
.cmd-nav__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  min-height: 44px;
  padding: 12px 10px;
  border-bottom: 2px solid transparent;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .8125rem;
  letter-spacing: .12em;
  color: var(--mist);
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}
.cmd-nav__link:hover {
  color: var(--text);
  border-bottom-color: var(--orange);
}
.cmd-nav__link:hover .cmd-nav__idx { color: var(--orange); }
.cmd-nav__link[aria-current="page"] {
  color: var(--text);
  border-bottom-color: var(--cyan);
  background: linear-gradient(180deg, transparent, rgba(33, 243, 208, .14));
}
.cmd-nav__link[aria-current="page"] .cmd-nav__idx { color: var(--cyan); }
.cmd-nav__idx {
  font-family: var(--font-data);
  font-weight: 400;
  font-size: .625rem;
  letter-spacing: 0;
  color: var(--line);
  transition: color .16s var(--ease);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
  transition: color .16s var(--ease), background-color .16s var(--ease), border-color .16s var(--ease);
}
.nav-toggle:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}
.nav-toggle__bars {
  display: grid;
  gap: 4px;
  width: 18px;
}
.nav-toggle__bars span {
  display: block;
  height: 2px;
  background: currentColor;
}
.nav-toggle__text { white-space: nowrap; }
.nav-toggle[aria-expanded="true"] {
  color: #04120F;
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 05 共享页脚 ---------- */
.site-foot {
  position: relative;
  margin-top: clamp(56px, 8vw, 110px);
  border-top: 2px solid var(--cyan);
  background: linear-gradient(180deg, var(--panel-2), var(--void));
  color: var(--text);
}
.site-foot::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 22px);
}

.foot-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 2fr) minmax(0, 1.1fr);
  gap: clamp(20px, 3vw, 52px);
  padding-block: clamp(34px, 4.6vw, 66px);
}

.foot-brand__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
}
.foot-brand__mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--orange);
  color: var(--orange);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .875rem;
  letter-spacing: .04em;
}
.foot-brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: .16em;
}
.foot-brand__line {
  margin-top: 12px;
  font-size: .875rem;
  color: var(--mist);
}
.foot-brand__meta {
  margin-top: 8px;
  font-family: var(--font-data);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--mist);
}

.foot-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 32px);
}
.foot-col { min-width: 0; }
.foot-col__title {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .75rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}
.foot-col__list { display: grid; gap: 2px; }

.foot-link {
  display: inline-block;
  min-height: 34px;
  padding: 6px 0;
  font-size: .9375rem;
  color: var(--mist);
  transition: color .16s var(--ease);
}
.foot-link:hover { color: var(--cyan); }

.foot-contact { min-width: 0; }
.foot-contact__row {
  display: grid;
  gap: 2px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}
.foot-contact__key {
  font-family: var(--font-data);
  font-size: .6875rem;
  letter-spacing: .16em;
  color: var(--mist);
  text-transform: uppercase;
}
.foot-contact__val {
  font-size: .875rem;
  color: var(--text);
  word-break: break-word;
}
.foot-note {
  margin-top: 12px;
  font-size: .75rem;
  line-height: 1.7;
  color: var(--mist);
}

.foot-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-block: 18px 26px;
  border-top: 1px solid var(--line);
  font-size: .8125rem;
  color: var(--mist);
}
.foot-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
}
.foot-legal .foot-link { font-size: .8125rem; }
.foot-icp {
  font-family: var(--font-data);
  font-size: .75rem;
  letter-spacing: .04em;
}

/* ---------- 06 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .8125rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  transition: color .16s var(--ease), background-color .16s var(--ease),
              border-color .16s var(--ease), transform .16s var(--ease);
}
.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04120F;
}
.btn--primary:hover { background: var(--cyan-deep); border-color: var(--cyan-deep); }

.btn--ghost {
  background: transparent;
  color: var(--mist);
}
.btn--ghost:hover { color: var(--cyan); border-color: var(--cyan); }

.btn--amber {
  background: transparent;
  border-color: var(--amber);
  color: var(--amber);
}
.btn--amber:hover { background: var(--amber); color: #1A1200; }

.btn--violet {
  background: transparent;
  border-color: var(--violet);
  color: var(--violet);
}
.btn--violet:hover { background: var(--violet); color: #14082C; }

.btn--sm {
  min-height: 36px;
  padding: 7px 12px;
  font-size: .75rem;
}
.btn--block { width: 100%; }

/* ---------- 07 基础组件 ---------- */
.card {
  position: relative;
  padding: clamp(16px, 2vw, 26px);
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color .16s var(--ease), transform .16s var(--ease), background-color .16s var(--ease);
}
.card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}
.card__title {
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.card__body { color: var(--text); }
.card__note {
  margin-top: 10px;
  font-size: .8125rem;
  color: var(--mist);
}

.card--paper {
  background: var(--paper);
  border-color: var(--paper-line);
  color: var(--ink);
}
.card--paper .card__body { color: var(--ink); }
.card--paper .card__note { color: var(--paper-muted); }
.card--paper::before {
  content: "";
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 4px;
  background: var(--coral);
}

.paper {
  position: relative;
  padding: clamp(18px, 2.4vw, 34px);
  border: 1px solid var(--paper-line);
  background: var(--paper);
  color: var(--ink);
}
.paper::before {
  content: "";
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 4px;
  background: var(--coral);
}
.paper__title {
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink);
}

.stat {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.stat__val {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  letter-spacing: -.02em;
  color: var(--cyan);
}
.stat__key {
  font-family: var(--font-data);
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
}
.stat--orange .stat__val { color: var(--orange); }
.stat--lime .stat__val { color: var(--lime); }
.stat--violet .stat__val { color: var(--violet); }
.stat--amber .stat__val { color: var(--amber); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-data);
  font-size: .6875rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mist);
}
.tag--cyan { color: var(--cyan); border-color: rgba(33, 243, 208, .5); }
.tag--orange { color: var(--orange); border-color: rgba(255, 92, 43, .5); }
.tag--violet { color: var(--violet); border-color: rgba(164, 114, 255, .5); }
.tag--amber { color: var(--amber); border-color: rgba(255, 201, 60, .5); }
.tag--lime { color: var(--lime); border-color: rgba(125, 255, 155, .5); }
.tag--solid {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--void);
}

.timeline {
  position: relative;
  display: grid;
  gap: 14px;
  padding-left: 22px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--violet), transparent);
}
.timeline__item { position: relative; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: -21px;
  top: 14px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--amber);
  border-radius: 50%;
  background: var(--void);
}
.tl-bubble {
  display: block;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  background: var(--panel-2);
  text-align: left;
  transition: border-color .16s var(--ease), background-color .16s var(--ease);
}
.tl-bubble:hover {
  border-color: var(--cyan);
  border-left-color: var(--orange);
  background: rgba(33, 243, 208, .07);
}
.tl-bubble__time {
  display: block;
  font-family: var(--font-data);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--amber);
}
.tl-bubble__title {
  display: block;
  margin-top: 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.tl-bubble__body {
  margin-top: 6px;
  font-size: .875rem;
  color: var(--mist);
}
.tl-bubble[aria-expanded="true"] { border-left-color: var(--orange); }

.fold {
  border: 1px solid var(--line);
  background: var(--panel-2);
}
.fold + .fold { margin-top: -1px; }
.fold__sum {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 14px 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  transition: color .16s var(--ease);
}
.fold__sum:hover { color: var(--cyan); }
.fold__mark {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-left: auto;
}
.fold__mark::before,
.fold__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  background: var(--cyan);
}
.fold__mark::before { width: 14px; height: 2px; }
.fold__mark::after { width: 2px; height: 14px; transition: opacity .16s var(--ease); }
.fold[open] .fold__mark::after { opacity: 0; }
.fold[open] .fold__sum { color: var(--cyan); }
.fold__body {
  padding: 0 16px 18px;
  border-top: 1px solid var(--line);
  font-size: .9375rem;
  color: var(--mist);
}
.fold__body > * + * { margin-top: 10px; }

.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--panel) 0%, var(--void) 62%);
}
.media-frame > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(150deg, rgba(33, 243, 208, .12), transparent 42%, rgba(255, 92, 43, .16));
}
.media-frame--16x9 { aspect-ratio: 16 / 9; }
.media-frame--4x3 { aspect-ratio: 4 / 3; }
.media-frame--1x1 { aspect-ratio: 1 / 1; }
.media-frame--slant { clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), 0 100%); }
.media-frame__cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 10px 12px;
  font-family: var(--font-data);
  font-size: .6875rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text);
  background: linear-gradient(0deg, rgba(7, 11, 20, .9), transparent);
}

/* ---------- 08 响应式 ---------- */
@media (max-width: 1180px) {
  .foot-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .foot-contact { grid-column: 1 / -1; }
}

@media (max-width: 1100px) {
  html { scroll-padding-top: 140px; }

  .cmd-bar__top {
    grid-template-columns: minmax(0, 1fr) auto;
    row-gap: 6px;
  }
  .cmd-brand { grid-column: 1; grid-row: 1; }
  .cmd-actions { grid-column: 2; grid-row: 1; }
  .cmd-region {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: stretch;
  }

  .cmd-bar__navrow { padding-block: 0; }
  .cmd-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    max-height: min(72vh, 620px);
    overflow-y: auto;
    padding: 6px var(--gutter) 20px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: rgba(7, 11, 20, .99);
    box-shadow: 0 18px 40px rgba(0, 0, 0, .55);
  }
  .cmd-nav[data-open] { display: block; }
  .cmd-nav__list { flex-direction: column; gap: 0; }
  .cmd-nav__link {
    display: flex;
    width: 100%;
    min-height: 48px;
    align-items: center;
    padding: 12px 10px;
    border-bottom: 1px solid var(--line);
    border-left: 2px solid transparent;
    font-size: .9375rem;
  }
  .cmd-nav__link:hover { border-bottom-color: var(--line); border-left-color: var(--orange); }
  .cmd-nav__link[aria-current="page"] {
    border-bottom-color: var(--line);
    border-left-color: var(--cyan);
    background: linear-gradient(90deg, rgba(33, 243, 208, .14), transparent);
  }
  .nav-toggle { display: inline-flex; }
  .cmd-actions .btn--ghost { display: none; }
}

@media (max-width: 900px) {
  .col-3, .col-4, .col-5 { grid-column: span 6; }
  .col-6, .col-7, .col-8, .col-9 { grid-column: span 12; }
  .foot-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }

  .cmd-brand__desc { display: none; }
  .cmd-actions .btn {
    min-height: 40px;
    padding: 8px 11px;
    font-size: .6875rem;
  }
  .nav-toggle__text { display: none; }

  .grid-12 > * { grid-column: 1 / -1; }

  .foot-grid { grid-template-columns: minmax(0, 1fr); }
  .foot-cols { grid-template-columns: minmax(0, 1fr); }
  .foot-base { flex-direction: column; align-items: flex-start; }

  .media-frame--slant { clip-path: none; }
  .band__meta { margin-left: 0; width: 100%; }
}

/* ---------- 09 动效尊重 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

  .card:hover,
  .btn:hover { transform: none; }
}