/* =========================================================
   ROR电竞站 · /assets/site.css
   深夜蓝黑底 / 堆叠面板 / 粗边框硬阴影 / 等宽索引
   ========================================================= */

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

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

html,
body { margin: 0; padding: 0; }

body {
  min-height: 100%;
  background-color: var(--ink);
  color: var(--white);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }
a { color: var(--cyan); text-decoration: none; }

h1, h2, h3, h4 {
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

p { max-width: 68ch; }

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

/* ---------- tokens ---------- */
:root {
  --ink: #070C16;
  --panel: #0F1B2D;
  --panel-2: #0A1424;
  --steel: #2D4A66;
  --cyan: #38E8E0;
  --orange: #FF6A2A;
  --lime: #A8FF60;
  --white: #EEF5FF;
  --grey: #93A7BF;
  --red: #FF4D6D;
  --paper: #D9E8FF;

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

  --shadow-hard: 8px 8px 0 rgba(0, 0, 0, 0.55);
  --shadow-soft: 4px 4px 0 rgba(45, 74, 102, 0.9);
  --edge: 2px solid var(--steel);
  --gutter: clamp(16px, 4vw, 40px);
}

.mono,
.eyebrow,
.brand-index,
.nav-num,
.panel__index,
.tag,
.stat-value,
.dock-dot,
.to-top { font-family: var(--mono); }

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: absolute;
  top: -80px;
  left: 12px;
  z-index: 400;
  padding: 10px 18px;
  background: var(--cyan);
  color: var(--ink);
  font-weight: 800;
  border: 2px solid var(--ink);
  transition: top 0.15s ease;
}
.skip-link:focus {
  top: 12px;
}

/* ---------- 滚动进度（JS 插入） ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 300;
  background: rgba(45, 74, 102, 0.45);
  pointer-events: none;
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--lime) 55%, var(--orange));
}

/* =========================================================
   头部：左品牌 + 章节索引，右快捷动作
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: linear-gradient(180deg, rgba(7, 12, 22, 0.99), rgba(7, 12, 22, 0.93));
  border-bottom: var(--edge);
  backdrop-filter: blur(6px);
  transition: box-shadow 0.18s ease;
}
.site-header[data-stuck="true"] {
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.55);
}

.header-shell {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 26px);
  transition: padding 0.18s ease;
}
.site-header[data-stuck="true"] .header-shell {
  padding-top: 8px;
  padding-bottom: 8px;
}

/* 品牌 */
.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  flex: 0 0 auto;
}
.brand-ticks {
  display: inline-flex;
  align-items: flex-end;
  gap: 3px;
  height: 24px;
}
.brand-ticks i {
  display: block;
  width: 4px;
  background: var(--cyan);
}
.brand-ticks i:nth-child(1) { height: 10px; background: var(--orange); }
.brand-ticks i:nth-child(2) { height: 16px; background: var(--cyan); }
.brand-ticks i:nth-child(3) { height: 24px; background: var(--lime); }

.brand-text { display: block; }
.brand-name {
  display: block;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: var(--white);
}
.brand-line {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  line-height: 1.5;
  color: var(--grey);
}

.brand-index {
  flex: 0 0 auto;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--steel);
  border: 1px solid var(--steel);
  padding: 3px 7px;
  white-space: nowrap;
}

/* 桌面导航 */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 26px);
  flex: 1 1 auto;
  min-width: 0;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 22px);
  flex-wrap: wrap;
}
.nav-item { flex: 0 0 auto; }
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.nav-num {
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--steel);
  transition: color 0.15s ease;
}
.nav-link:hover,
.nav-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: rgba(56, 232, 224, 0.45);
}
.nav-link:hover .nav-num { color: var(--cyan); }
.nav-link[aria-current="page"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.nav-link[aria-current="page"] .nav-num { color: var(--orange); }

/* 抽屉内快捷（仅移动端显示） */
.nav-quick { display: none; }

/* 右侧快捷动作 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}
.action-link {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cyan);
  background: transparent;
  border: 2px solid var(--steel);
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.12s ease;
}
.action-link:hover,
.action-link:focus-visible {
  border-color: var(--cyan);
  background: rgba(56, 232, 224, 0.12);
  transform: translateY(-1px);
}
.action-link--primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04161C;
}
.action-link--primary:hover,
.action-link--primary:focus-visible {
  background: var(--lime);
  border-color: var(--lime);
  color: #101A06;
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  padding: 8px 12px;
  background: var(--panel);
  border: 2px solid var(--steel);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.nav-toggle-bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
  width: 16px;
  height: 12px;
}
.nav-toggle-bars i {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--cyan);
  transition: transform 0.16s ease, opacity 0.16s ease;
}
.nav-toggle[aria-expanded="true"] {
  border-color: var(--cyan);
  color: var(--cyan);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* 移动底部快捷码头 */
.mobile-dock { display: none; }

/* =========================================================
   页脚
   ========================================================= */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 96px);
  background: var(--ink);
  border-top: var(--edge);
}
.site-footer::before {
  content: "";
  display: block;
  height: 5px;
  background: repeating-linear-gradient(
    90deg,
    var(--orange) 0 26px,
    transparent 26px 52px
  );
  opacity: 0.85;
}
.footer-shell {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: clamp(32px, 5vw, 56px) var(--gutter) 24px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: clamp(24px, 3.4vw, 44px);
}
.footer-brand { display: block; }
.footer-mark {
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 900;
  letter-spacing: 0.01em;
  line-height: 1.2;
  color: var(--white);
}
.footer-tag {
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}
.footer-summary {
  margin-top: 14px;
  max-width: 34ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey);
}
.footer-brand .btn { margin-top: 18px; }

.footer-col { display: block; }
.footer-col-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--orange);
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid rgba(45, 74, 102, 0.8);
}
.footer-list { display: grid; gap: 9px; }
.footer-link {
  display: inline-block;
  font-size: 15px;
  color: var(--white);
  border-bottom: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.footer-link:hover,
.footer-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.footer-contact .footer-list { gap: 10px; }
.contact-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 8px;
  align-items: baseline;
  font-size: 14px;
}
.contact-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--grey);
}
.contact-value {
  color: var(--white);
  word-break: break-word;
}

.footer-bottom {
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: 18px;
  border-top: 2px solid var(--steel);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--grey);
}
.footer-copy { margin: 0; }
.footer-icp { margin: 0; color: var(--steel); }
.footer-legal { display: flex; flex-wrap: wrap; gap: 14px; margin-left: auto; }
.footer-legal-link {
  color: var(--grey);
  border-bottom: 1px solid transparent;
}
.footer-legal-link:hover,
.footer-legal-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.to-top {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
  background: var(--cyan);
  border: 2px solid var(--cyan);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}
.to-top[data-active="true"] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.to-top:hover,
.to-top:focus-visible {
  background: var(--lime);
  border-color: var(--lime);
}

/* =========================================================
   通用内容组件
   ========================================================= */
.wrap {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.wrap--narrow { max-width: 880px; }

.section {
  padding-top: clamp(44px, 6vw, 80px);
  padding-bottom: clamp(44px, 6vw, 80px);
  position: relative;
}
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px 28px;
  padding-bottom: 14px;
  margin-bottom: clamp(20px, 3vw, 34px);
  border-bottom: 2px solid var(--steel);
}
.section-title {
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 900;
  letter-spacing: -0.01em;
}
.section-title::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-right: 10px;
  background: var(--orange);
  transform: translateY(-4px);
}

.eyebrow {
  display: block;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--grey);
  margin-bottom: 8px;
}

.panel {
  position: relative;
  background: var(--panel);
  border: var(--edge);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 2.6vw, 30px);
}
.panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-bottom: 16px;
}
.panel__index {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ink);
  background: var(--cyan);
}

.split {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: clamp(16px, 2.4vw, 30px);
  align-items: start;
}
.split--reverse {
  grid-template-columns: 5fr 8fr;
}

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border: 1px solid currentColor;
  white-space: nowrap;
}
.tag--version { color: var(--orange); }
.tag--update { color: var(--cyan); }
.tag--alert { color: var(--red); }
.tag--prob { color: var(--lime); }

/* 数据读数 */
.stat-value {
  display: block;
  font-size: clamp(26px, 3.6vw, 42px);
  font-weight: 700;
  line-height: 1.05;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ink);
  background: var(--cyan);
  border: 2px solid var(--cyan);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn:hover,
.btn:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(45, 74, 102, 0.95);
}
.btn:active { transform: translate(0, 0); box-shadow: var(--shadow-soft); }

.btn--ghost {
  color: var(--cyan);
  background: transparent;
  border-color: var(--steel);
  box-shadow: none;
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--cyan);
  background: rgba(56, 232, 224, 0.1);
  box-shadow: 4px 4px 0 rgba(45, 74, 102, 0.8);
}

.btn--signal {
  color: #1A0A00;
  background: var(--orange);
  border-color: var(--orange);
}
.btn--signal:hover,
.btn--signal:focus-visible {
  background: #FF8A55;
  border-color: #FF8A55;
}

/* 面包屑 */
.breadcrumb {
  padding: 14px 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grey);
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb li + li::before {
  content: "/";
  color: var(--steel);
}
.breadcrumb a {
  color: var(--grey);
  border-bottom: 1px solid transparent;
}
.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.breadcrumb [aria-current="page"] { color: var(--white); }

/* 图片容器基础规则 */
.media-frame {
  position: relative;
  overflow: hidden;
  background: var(--panel-2);
  border: var(--edge);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.5);
  aspect-ratio: 16 / 9;
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(56, 232, 224, 0.14);
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--portrait { aspect-ratio: 4 / 5; }
.media-caption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey);
}

/* 入场显现 */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.32s ease, transform 0.32s ease;
  will-change: opacity, transform;
}
[data-reveal][data-visible="true"] {
  opacity: 1;
  transform: none;
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1180px) {
  .brand-index { display: none; }
}

@media (max-width: 979px) {
  .header-actions { display: none; }
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 110;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 84px clamp(16px, 5vw, 32px) 26px;
    background: var(--panel);
    border-bottom: var(--edge);
    box-shadow: 0 26px 44px rgba(0, 0, 0, 0.6);
    max-height: 100vh;
    overflow-y: auto;
    transform: translateY(-104%);
    visibility: hidden;
    transition: transform 0.22s ease, visibility 0.22s ease;
  }
  .site-nav[data-open="true"] {
    transform: translateY(0);
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    flex-wrap: nowrap;
  }
  .nav-item { width: 100%; }
  .nav-link {
    width: 100%;
    display: flex;
    justify-content: flex-start;
    padding: 14px 0;
    font-size: 16px;
    border-bottom: 1px solid rgba(45, 74, 102, 0.7);
  }
  .nav-link[aria-current="page"] {
    border-bottom-color: var(--steel);
    border-left: 3px solid var(--cyan);
    padding-left: 10px;
    background: rgba(56, 232, 224, 0.07);
  }
  .nav-num { font-size: 11px; }

  .nav-quick {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-top: 20px;
  }
  .nav-quick-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 11px 6px;
    font-size: 13px;
    font-weight: 700;
    color: var(--cyan);
    border: 2px solid var(--steel);
    text-align: center;
  }
  .nav-quick-link:hover,
  .nav-quick-link:focus-visible {
    border-color: var(--cyan);
    background: rgba(56, 232, 224, 0.1);
  }
  .nav-quick-link:first-child {
    color: var(--ink);
    background: var(--cyan);
    border-color: var(--cyan);
  }

  .mobile-dock {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 130;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    padding: 8px 6px calc(8px + env(safe-area-inset-bottom));
    background: rgba(15, 27, 45, 0.98);
    border-top: var(--edge);
    backdrop-filter: blur(6px);
  }
  .dock-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 5px 2px;
    font-size: 12px;
    font-weight: 700;
    color: var(--grey);
    border: 1px solid transparent;
  }
  .dock-link:hover,
  .dock-link:focus-visible {
    color: var(--white);
    border-color: var(--steel);
  }
  .dock-link[aria-current="page"] { color: var(--cyan); }
  .dock-dot {
    display: block;
    width: 7px;
    height: 7px;
    background: var(--steel);
  }
  .dock-link:nth-child(1) .dock-dot { background: var(--cyan); }
  .dock-link:nth-child(2) .dock-dot { background: var(--orange); }
  .dock-link:nth-child(3) .dock-dot { background: var(--lime); }
  .dock-link:nth-child(4) .dock-dot { background: var(--steel); }

  body {
    padding-bottom: calc(66px + env(safe-area-inset-bottom));
  }

  .split,
  .split--reverse {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }

  .brand-name { font-size: 16px; }
  .brand-line { font-size: 9px; letter-spacing: 0.16em; }

  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { gap: 10px 16px; }
  .footer-legal { margin-left: 0; width: 100%; }
  .to-top { margin-left: auto; }

  .btn { width: 100%; }
  .footer-brand .btn { width: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
  .skip-link { transition: none; }
}