/* ============================================================
   RAY电竞馆 · /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 头部 / 页脚 / 基础组件
   ============================================================ */

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

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body.is-nav-open { overflow: hidden; }

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

button { font: inherit; }

/* ---------- 变量 ---------- */
:root {
  --ink: #0B0D0E;
  --ink-2: #13181B;
  --paper: #F2E9DA;
  --cyan: #35F2D0;
  --teal: #1B9E8C;
  --orange: #FF6A2A;
  --violet: #777184;
  --white: #F4F6F3;
  --metal: #2C3439;
  --paper-ink: #1A1D1F;

  --font-display: "Arial Narrow", "Helvetica Neue Condensed", "Roboto Condensed",
                  "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei",
               "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --wrap: 1440px;
  --pad: clamp(16px, 3vw, 40px);
  --header-h: 74px;

  --line: 2px solid var(--metal);
  --shadow-hard: 6px 6px 0 0 #000000;
  --ease: cubic-bezier(.2, .6, .3, 1);
}

/* ---------- 中文排版 ---------- */
h1, h2, h3, h4 {
  margin: 0 0 .55em;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--white);
}

h1 {
  font-size: clamp(32px, 5vw, 72px);
  letter-spacing: -.032em;
  line-height: 1.02;
}

h2 { font-size: clamp(26px, 3.2vw, 40px); }
h3 { font-size: clamp(20px, 2vw, 26px); }
h4 { font-size: clamp(17px, 1.6vw, 20px); }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--cyan);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color .16s var(--ease);
}

a:hover { color: var(--white); }

strong { color: var(--white); }

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

/* ---------- 焦点 ---------- */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---------- 跳转链 ---------- */
.skip-link {
  position: absolute;
  left: 16px;
  top: -120px;
  z-index: 300;
  display: inline-block;
  padding: 12px 20px;
  background: var(--cyan);
  color: var(--ink);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border: 2px solid var(--ink);
  transition: top .16s var(--ease);
}

.skip-link:focus {
  top: 12px;
  color: var(--ink);
}

/* ---------- 状态栏 ---------- */
.statusbar {
  background: var(--ink-2);
  border-bottom: 1px solid var(--metal);
  color: var(--violet);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .09em;
}

.statusbar__inner {
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 9px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.statusbar__snapshot {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 9px;
}

.statusbar__dot {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 9px var(--orange);
}

.statusbar__meta {
  margin: 0;
  color: var(--cyan);
  letter-spacing: .18em;
  text-transform: uppercase;
}

/* ---------- 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ink);
  border-bottom: var(--line);
}

.site-header__inner {
  position: relative;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 0 var(--pad);
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-header__progress {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--teal) 52%, var(--orange) 100%);
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

/* ---------- 品牌 ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--white);
  flex: none;
}

.brand:hover { color: var(--white); }

.brand__mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: none;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 23px;
  line-height: 1;
  letter-spacing: -.05em;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}

.brand__text {
  display: block;
  min-width: 0;
}

.brand__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--white);
}

.brand__tag {
  display: block;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.3;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--violet);
}

.brand--footer .brand__mark { width: 44px; height: 44px; font-size: 25px; }

/* ---------- 移动导航按钮 ---------- */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: transparent;
  color: var(--white);
  border: var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  cursor: pointer;
  position: relative;
  z-index: 95;
  transition: border-color .16s var(--ease), color .16s var(--ease);
}

.nav-toggle:hover { border-color: var(--cyan); color: var(--cyan); }

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
}

.nav-toggle__bars { position: relative; }

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  transition: transform .16s var(--ease), top .16s var(--ease);
}

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

.site-header[data-open="true"] .nav-toggle__bars { background: transparent; }
.site-header[data-open="true"] .nav-toggle__bars::before { top: 0; transform: rotate(45deg); }
.site-header[data-open="true"] .nav-toggle__bars::after { top: 0; transform: rotate(-45deg); }

/* ---------- 主导航 ---------- */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 26px);
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__item { margin: 0; }

.site-nav__link {
  display: block;
  padding: 10px 12px;
  color: var(--white);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .01em;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .16s var(--ease), background-color .16s var(--ease), border-color .16s var(--ease);
}

.site-nav__link:hover {
  color: var(--cyan);
  background: rgba(53, 242, 208, .08);
}

.site-nav__link[aria-current="page"] {
  color: var(--cyan);
  border-bottom-color: var(--orange);
}

.site-nav__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: clamp(6px, 1.4vw, 18px);
  border-left: 1px solid var(--metal);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border: 2px solid var(--metal);
  background: var(--ink-2);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .03em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform .16s var(--ease), background-color .16s var(--ease),
              border-color .16s var(--ease), color .16s var(--ease),
              box-shadow .16s var(--ease);
}

.btn:hover {
  color: var(--white);
  transform: translateY(-2px);
  border-color: var(--orange);
  box-shadow: 4px 4px 0 0 rgba(255, 106, 42, .55);
}

.btn:active { transform: translateY(0); box-shadow: none; }

.btn--primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.btn--primary:hover {
  background: var(--white);
  border-color: var(--orange);
  color: var(--ink);
}

.btn--ghost {
  background: transparent;
  border-color: var(--metal);
  color: var(--white);
}

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

/* ---------- 复制按钮 ---------- */
.copy {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  background: transparent;
  border: 1px dashed var(--metal);
  color: var(--violet);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  cursor: pointer;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.copy:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.copy[data-copied="true"] {
  color: var(--orange);
  border-color: var(--orange);
  border-style: solid;
}

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: clamp(64px, 9vw, 128px);
  background: var(--ink);
  border-top: var(--line);
  color: var(--white);
  padding-top: clamp(40px, 6vw, 76px);
}

.site-footer__inner {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.site-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 2fr) minmax(0, 1.15fr);
  gap: clamp(28px, 4vw, 64px);
  padding-bottom: clamp(32px, 4vw, 56px);
}

.site-footer__brand { min-width: 0; }

.site-footer__statement {
  margin: 20px 0 0;
  max-width: 26ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--violet);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 2.6vw, 40px);
}

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

.footer-heading {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
  line-height: 1.3;
}

.footer-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.footer-list__link {
  color: var(--white);
  font-size: 14px;
  text-decoration: none;
  transition: color .16s var(--ease);
}

.footer-list__link:hover { color: var(--cyan); }

.footer-list__link[aria-current="page"] {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-footer__contact { min-width: 0; }

.contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.contact-list__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.contact-list__label {
  display: block;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--violet);
}

.contact-list__value {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.site-footer__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--violet);
  max-width: 34ch;
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 28px;
  border-top: 1px solid var(--metal);
  padding: 20px 0 30px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--violet);
}

.site-footer__legal p { margin: 0; }
.site-footer__icp { color: var(--metal); }

/* ---------- 容器 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.wrap--narrow { max-width: 880px; }

/* ---------- 网格 ---------- */
.grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 32px);
}

.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.grid--split {
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  align-items: start;
}

/* ---------- 面板 ---------- */
.panel {
  position: relative;
  background: var(--ink-2);
  border: var(--line);
  padding: clamp(18px, 2.6vw, 32px);
  transition: transform .16s var(--ease), border-color .16s var(--ease),
              box-shadow .16s var(--ease);
}

.panel:hover {
  transform: translateY(-2px);
  border-color: var(--orange);
  box-shadow: 6px 6px 0 0 rgba(255, 106, 42, .3);
}

/* ---------- 暖纸阅读面板 ---------- */
.prose {
  background: var(--paper);
  color: var(--paper-ink);
  border: 2px solid var(--paper-ink);
  box-shadow: 8px 8px 0 0 var(--metal);
  padding: clamp(22px, 4vw, 52px);
  font-size: 16px;
  line-height: 1.8;
}

.prose h1,
.prose h2,
.prose h3,
.prose h4 { color: var(--paper-ink); }

.prose a { color: #0d6e61; }
.prose a:hover { color: var(--paper-ink); }

.prose :focus-visible { outline-color: var(--paper-ink); }

.prose blockquote {
  margin: 1.6em 0;
  padding: 4px 0 4px 20px;
  border-left: 4px solid var(--orange);
  color: #3a4044;
}

.prose hr {
  height: 0;
  border: 0;
  border-top: 1px solid rgba(26, 29, 31, .25);
  margin: 32px 0;
}

/* ---------- 小元素 ---------- */
.eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.kicker {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--orange);
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  line-height: 1.4;
}

.data {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}

.rule {
  height: 0;
  border: 0;
  border-top: var(--line);
  margin: clamp(24px, 3vw, 40px) 0;
}

.tag {
  display: inline-block;
  padding: 3px 9px;
  background: var(--ink-2);
  border: 1px solid var(--metal);
  color: var(--violet);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
}

.tag--live {
  border-color: var(--orange);
  color: var(--orange);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--violet);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--metal);
}

.breadcrumb__link {
  color: var(--violet);
  text-decoration: none;
}

.breadcrumb__link:hover { color: var(--cyan); }

.breadcrumb__item[aria-current="page"] { color: var(--white); }

/* ---------- 图片容器（供页面阶段放图） ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  margin: 0;
  aspect-ratio: 16 / 9;
  border: var(--line);
  background:
    linear-gradient(135deg, rgba(53, 242, 208, .10), transparent 58%),
    var(--ink-2);
  box-shadow: var(--shadow-hard);
}

.media > img,
.media > video,
.media > picture > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(53, 242, 208, .07) 0 1px,
    transparent 1px 4px
  );
  opacity: .55;
}

.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }

.media--paper {
  border-color: var(--paper-ink);
  background: var(--paper);
  box-shadow: 6px 6px 0 0 var(--metal);
}

.media__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--violet);
}

/* ---------- 滚动显现 ---------- */
.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .42s var(--ease), transform .42s var(--ease);
}

.js-reveal [data-reveal][data-revealed="true"] {
  opacity: 1;
  transform: none;
}

/* ---------- 平板 ---------- */
@media (max-width: 1180px) {
  .site-footer__top {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
  }

  .site-footer__contact { grid-column: 1 / -1; }
}

/* ---------- 移动导航断点 ---------- */
@media (max-width: 1024px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: calc(var(--header-h) + 44px) var(--pad) 48px;
    background: var(--ink);
    background-image:
      repeating-linear-gradient(
        to bottom,
        rgba(44, 52, 57, .55) 0 1px,
        transparent 1px 72px
      );
    border-left: 2px solid var(--metal);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-14px);
    transition: opacity .18s var(--ease), transform .18s var(--ease),
                visibility .18s var(--ease);
  }

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

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-top: 1px solid var(--metal);
  }

  .site-nav__item { border-bottom: 1px solid var(--metal); }

  .site-nav__link {
    padding: 18px 14px;
    font-family: var(--font-display);
    font-size: clamp(20px, 5vw, 26px);
    font-weight: 700;
    letter-spacing: -.02em;
    border-bottom: none;
    border-left: 3px solid transparent;
  }

  .site-nav__link:hover { background: transparent; }

  .site-nav__link[aria-current="page"] {
    border-left-color: var(--orange);
    border-bottom-color: transparent;
    background: rgba(53, 242, 208, .06);
  }

  .site-nav__actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-top: 28px;
    padding-left: 0;
    border-left: 0;
  }

  .site-nav__actions .btn {
    width: 100%;
    padding: 14px 18px;
    font-size: 15px;
  }

  .grid--split { grid-template-columns: minmax(0, 1fr); }
  .grid--12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

/* ---------- 手机 ---------- */
@media (max-width: 760px) {
  :root { --header-h: 66px; }

  .statusbar { font-size: 11px; letter-spacing: .05em; }
  .statusbar__inner { justify-content: flex-start; gap: 6px 14px; }
  .statusbar__meta { display: none; }

  .brand__name { font-size: 17px; }
  .brand__mark { width: 36px; height: 36px; font-size: 20px; }

  .site-footer__top {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }

  .site-footer__contact { grid-column: auto; }

  .footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 20px; }

  .grid--12 { grid-template-columns: minmax(0, 1fr); }

  .media { box-shadow: 4px 4px 0 0 #000000; }
  .prose { box-shadow: 4px 4px 0 0 var(--metal); }
}

@media (max-width: 460px) {
  .footer-nav { grid-template-columns: minmax(0, 1fr); }
  .nav-toggle__label { display: none; }
  .nav-toggle { padding: 10px; }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

  .js-reveal [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

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