/* =========================================================
   长城体育 · 共享站点样式 /assets/site.css
   ========================================================= */

/* ---------- 1. 变量 ---------- */
:root {
  --c-brick: #3E4A4F;
  --c-brick-deep: #2A3337;
  --c-flame: #E4572E;
  --c-flame-hi: #FF7A3D;
  --c-night: #101C2C;
  --c-pitch: #3F7D4E;
  --c-wall: #D8D2C4;
  --c-paper: #F6F3EC;
  --c-mute: #8A969B;
  --c-wine: #6E2E3A;

  --rail-w: 15.5rem;
  --wrap: 76rem;
  --radius-sm: 2px;
  --radius-lg: 18px;
  --dur: 240ms;
  --ease: cubic-bezier(.2, .7, .3, 1);

  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* ---------- 2. 基础重置 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--c-paper);
  color: var(--c-brick-deep);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

:focus-visible {
  outline: 3px solid var(--c-flame-hi);
  outline-offset: 3px;
}

#main-content { display: block; scroll-margin-block-start: 5.5rem; }

/* ---------- 3. 跳过导航 ---------- */
.gw-skip {
  position: fixed;
  top: .55rem;
  left: .55rem;
  z-index: 999;
  padding: .6rem 1.05rem;
  background: var(--c-flame);
  color: #FFF7F2;
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transform: translateY(-180%);
  transition: transform var(--dur) var(--ease);
}
.gw-skip:focus,
.gw-skip:focus-visible { transform: translateY(0); }

/* ---------- 4. 头部 ---------- */
.gw-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--c-brick-deep);
  color: var(--c-wall);
  border-bottom: 1px solid rgba(216, 210, 196, .18);
}

.gw-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  z-index: 3;
  pointer-events: none;
  background: linear-gradient(90deg, var(--c-flame), var(--c-flame-hi));
  transform: scaleX(var(--p, 0));
  transform-origin: 0 50%;
}

.gw-header__bar {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .65rem clamp(.9rem, 4vw, 1.3rem);
}

/* 品牌 */
.gw-brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  min-width: 0;
  color: #F2EDE2;
  text-decoration: none;
}
.gw-brand__mark {
  position: relative;
  flex: 0 0 auto;
  width: 2.15rem;
  height: 2.15rem;
  border: 1px solid rgba(216, 210, 196, .45);
  background-color: var(--c-brick);
  background-image:
    repeating-linear-gradient(180deg, rgba(246, 243, 236, .16) 0 1px, transparent 1px 7px),
    repeating-linear-gradient(90deg, rgba(0, 0, 0, .26) 0 1px, transparent 1px 11px);
  transition: border-color var(--dur) var(--ease);
}
.gw-brand__mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 5px;
  background: var(--c-flame);
}
.gw-brand:hover .gw-brand__mark { border-color: var(--c-flame-hi); }
.gw-brand__text { display: flex; flex-direction: column; line-height: 1.18; min-width: 0; }
.gw-brand__name { font-size: 1.02rem; font-weight: 800; letter-spacing: .08em; }
.gw-brand__sub {
  font-family: var(--font-mono);
  font-size: .6rem;
  letter-spacing: .2em;
  color: var(--c-mute);
  white-space: nowrap;
}

/* 汉堡按钮 */
.gw-nav-toggle {
  margin-inline-start: auto;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .42rem .62rem;
  background: rgba(246, 243, 236, .06);
  border: 1px solid rgba(216, 210, 196, .32);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: .78rem;
  letter-spacing: .1em;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.gw-nav-toggle:hover { background: rgba(228, 87, 46, .18); border-color: var(--c-flame-hi); }
.gw-nav-toggle__bars { display: flex; flex-direction: column; gap: 4px; width: 1.15rem; }
.gw-nav-toggle__bars i {
  display: block;
  height: 2px;
  border-radius: 1px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.gw-header[data-open] .gw-nav-toggle__bars i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.gw-header[data-open] .gw-nav-toggle__bars i:nth-child(2) { opacity: 0; }
.gw-header[data-open] .gw-nav-toggle__bars i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 导航（移动端抽屉） */
.gw-nav {
  position: fixed;
  top: 0;
  bottom: 0;
  right: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  width: min(84vw, 21rem);
  padding: 5.4rem 1.2rem 1.6rem;
  overflow-y: auto;
  overscroll-behavior: contain;
  visibility: hidden;
  transform: translateX(102%);
  background: linear-gradient(200deg, #242C30, #171D20 72%);
  border-inline-start: 1px solid rgba(216, 210, 196, .16);
  transition: transform var(--dur) var(--ease), visibility var(--dur) var(--ease);
}
.gw-header[data-open] .gw-nav { visibility: visible; transform: none; }

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

.gw-nav__title {
  padding: .2rem .78rem .55rem;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--c-mute);
}

.gw-nav__list { counter-reset: navidx; display: flex; flex-direction: column; gap: 2px; }
.gw-nav__item { counter-increment: navidx; }

.gw-nav__link {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .68rem .78rem;
  color: #C9C3B6;
  font-size: 1rem;
  text-decoration: none;
  border-inline-start: 3px solid transparent;
  border-radius: var(--radius-sm);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}
.gw-nav__link::before {
  content: "0" counter(navidx);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--c-mute);
  min-width: 1.65rem;
  transition: color var(--dur) var(--ease);
}
.gw-nav__link:hover,
.gw-nav__link:focus-visible {
  background: rgba(228, 87, 46, .13);
  border-inline-start-color: var(--c-flame-hi);
  color: #FFFFFF;
}
.gw-nav__link:hover::before,
.gw-nav__link:focus-visible::before { color: var(--c-flame-hi); }

.gw-nav__link[aria-current="page"] {
  background: rgba(228, 87, 46, .2);
  border-inline-start-color: var(--c-flame);
  color: #FFFFFF;
  font-weight: 700;
}
.gw-nav__link[aria-current="page"]::before { color: var(--c-flame-hi); }

.gw-nav__foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding-top: 1.1rem;
  border-top: 1px dashed rgba(216, 210, 196, .22);
}
.gw-nav__hint {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  color: var(--c-mute);
}

/* ---------- 5. 通用按钮 ---------- */
.gw-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  padding: .62rem 1.15rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.gw-btn--flame {
  background: var(--c-flame);
  border-color: var(--c-flame);
  color: #FFF6F1;
}
.gw-btn--flame:hover {
  background: var(--c-flame-hi);
  border-color: var(--c-flame-hi);
  transform: translateY(-1px);
}
.gw-btn--ghost {
  background: transparent;
  border-color: currentColor;
  color: inherit;
}
.gw-btn--ghost:hover { background: rgba(246, 243, 236, .14); }
.gw-btn--block { width: 100%; }

.gw-mini-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  margin-top: .55rem;
  padding: .28rem .6rem;
  background: rgba(228, 87, 46, .14);
  border: 1px solid rgba(228, 87, 46, .5);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  color: #F3C9B8;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.gw-mini-btn:hover { background: rgba(228, 87, 46, .3); color: #FFF3EC; }
.gw-mini-btn[data-copied] { background: var(--c-pitch); border-color: var(--c-pitch); color: #F1F7F0; }

/* ---------- 6. 页脚 ---------- */
.gw-footer {
  position: relative;
  padding-block: 2.4rem 1.4rem;
  color: #CBC5B8;
  font-size: .92rem;
  background-color: #1B2226;
  background-image:
    linear-gradient(rgba(216, 210, 196, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(216, 210, 196, .05) 1px, transparent 1px);
  background-size: 34px 34px;
  border-top: 6px solid transparent;
}
.gw-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 7px;
  background: repeating-linear-gradient(90deg,
    var(--c-flame) 0 26px,
    var(--c-brick) 26px 52px);
}

.gw-footer__grid {
  width: min(100% - 2.4rem, var(--wrap));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.9rem;
  padding-block-end: 1.9rem;
  border-bottom: 1px solid rgba(216, 210, 196, .16);
}

.gw-footer__brand { max-width: 34ch; }
.gw-footer__mark {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: .1em;
  color: #F2EDE2;
}
.gw-footer__line { margin-top: .5rem; color: #D6D0C2; line-height: 1.7; }
.gw-footer__note {
  margin-top: .75rem;
  font-size: .8rem;
  line-height: 1.7;
  color: var(--c-mute);
}

.gw-footer__col { display: flex; flex-direction: column; gap: .5rem; }
.gw-footer__heading {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-flame-hi);
}
.gw-footer__list { display: flex; flex-direction: column; gap: .38rem; }
.gw-footer__list a {
  color: #C9C3B6;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.gw-footer__list a:hover,
.gw-footer__list a:focus-visible {
  color: #FFFFFF;
  border-bottom-color: var(--c-flame-hi);
}
.gw-footer__contact { gap: .45rem; font-size: .86rem; line-height: 1.6; }
.gw-footer__label {
  display: inline-block;
  min-width: 2.4rem;
  margin-inline-end: .35rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  color: var(--c-mute);
}

.gw-footer__meta {
  width: min(100% - 2.4rem, var(--wrap));
  margin-inline: auto;
  padding-block-start: 1.15rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .5rem 1.4rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .05em;
  color: var(--c-mute);
}
.gw-footer__icp { color: #A7B0B4; }

/* ---------- 7. 页面级通用组件 ---------- */
.gw-container {
  width: min(100% - 2.4rem, var(--wrap));
  margin-inline: auto;
}
.gw-section { padding-block: clamp(2.2rem, 5vw, 4.2rem); }

.gw-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-flame);
}
.gw-eyebrow::before { content: ""; width: 1.6rem; height: 2px; background: currentColor; }

.gw-title {
  font-size: clamp(1.6rem, 3.1vw, 2.35rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--c-brick-deep);
}
.gw-lead {
  max-width: 46ch;
  font-size: clamp(1rem, 1.35vw, 1.1rem);
  line-height: 1.8;
  color: #4A555A;
}

.gw-rule {
  height: 6px;
  margin-block: 2rem;
  border: 0;
  background: repeating-linear-gradient(90deg,
    var(--c-brick) 0 30px,
    transparent 30px 36px);
  opacity: .26;
}

/* 栅格与卡片 */
.gw-grid { display: grid; gap: 1.15rem; grid-template-columns: 1fr; }
.gw-card {
  position: relative;
  padding: 1.15rem 1.2rem;
  background: #FFFFFF;
  border: 1px solid rgba(62, 74, 79, .14);
  border-radius: 4px;
  box-shadow: 0 1px 0 rgba(62, 74, 79, .05);
}

/* 标签 */
.gw-tag {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .18rem .55rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(62, 74, 79, .25);
  background: rgba(62, 74, 79, .1);
  color: var(--c-brick);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
}
.gw-tag--flame { background: rgba(228, 87, 46, .12); border-color: rgba(228, 87, 46, .42); color: #B03A16; }
.gw-tag--pitch { background: rgba(63, 125, 78, .14); border-color: rgba(63, 125, 78, .42); color: #2E5C3A; }
.gw-tag--wine  { background: rgba(110, 46, 58, .12); border-color: rgba(110, 46, 58, .36); color: var(--c-wine); }
.gw-tag--night { background: rgba(16, 28, 44, .1);  border-color: rgba(16, 28, 44, .3);  color: var(--c-night); }

/* 数据条 */
.gw-bar {
  height: .55rem;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(62, 74, 79, .14);
}
.gw-bar__fill {
  height: 100%;
  width: var(--v, 0%);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--c-pitch), #4E9A61);
  transition: width 320ms var(--ease);
}

/* 图片容器（无远程图片时自带渐变底） */
.gw-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 90% at 18% 12%, rgba(228, 87, 46, .34), transparent 58%),
    linear-gradient(150deg, var(--c-brick), var(--c-night));
}
.gw-media img { width: 100%; height: 100%; object-fit: cover; }
.gw-media--wide { aspect-ratio: 21 / 9; }
.gw-media--square { aspect-ratio: 1 / 1; }
.gw-media--portrait { aspect-ratio: 3 / 4; }
.gw-media__caption {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  padding: .7rem .9rem;
  background: linear-gradient(0deg, rgba(16, 28, 44, .84), transparent);
  color: #F0EBDF;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .05em;
}

/* 面包屑 */
.gw-breadcrumb {
  padding-block: 1rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--c-mute);
}
.gw-breadcrumb__list { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; }
.gw-breadcrumb__list li + li::before {
  content: "/";
  margin-inline-end: .4rem;
  color: rgba(138, 150, 155, .7);
}
.gw-breadcrumb a {
  color: var(--c-brick);
  text-decoration: none;
  border-bottom: 1px solid rgba(62, 74, 79, .32);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.gw-breadcrumb a:hover { color: var(--c-flame); border-bottom-color: var(--c-flame); }

/* 长文排版 */
.gw-prose {
  max-width: 68ch;
  font-size: 1.02rem;
  line-height: 1.85;
  color: #2F3A3F;
}
.gw-prose > * + * { margin-block-start: 1.05em; }
.gw-prose h2 {
  margin-block-start: 2em;
  font-size: 1.4rem;
  line-height: 1.35;
  font-weight: 800;
  color: var(--c-brick-deep);
}
.gw-prose h3 {
  margin-block-start: 1.6em;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--c-brick);
}
.gw-prose ul { padding-inline-start: 1.2rem; }
.gw-prose ul > li { position: relative; }
.gw-prose ul > li::before {
  content: "";
  position: absolute;
  left: -1.1rem;
  top: .78em;
  width: .5rem;
  height: 2px;
  background: var(--c-flame);
}
.gw-prose a {
  color: var(--c-flame);
  text-decoration: none;
  border-bottom: 1px solid rgba(228, 87, 46, .4);
}
.gw-prose a:hover { border-bottom-color: var(--c-flame); }

/* 滚动显现 */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 450ms var(--ease), transform 450ms var(--ease);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 8. 断点 ---------- */
@media (min-width: 640px) {
  .gw-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; }
  .gw-grid--2,
  .gw-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  :root { --rail-w: 16.5rem; }
  .gw-media { aspect-ratio: 16 / 9; }
}

@media (min-width: 1024px) {
  body { padding-inline-start: var(--rail-w); }

  .gw-header {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: var(--rail-w);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    border-bottom: 0;
    border-inline-end: 1px solid rgba(216, 210, 196, .16);
    background: linear-gradient(180deg, #2C363A 0%, #222A2E 55%, #181F22 100%);
  }

  .gw-header__bar {
    flex-wrap: wrap;
    gap: .5rem;
    padding: 1.65rem 1.3rem 1.05rem;
  }

  .gw-nav-toggle { display: none; }

  .gw-nav {
    position: static;
    transform: none;
    visibility: visible;
    width: auto;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    padding: 0 .85rem 1.4rem;
    overflow: visible;
    background: none;
    border: 0;
    transition: none;
  }

  .gw-nav__title { padding: .2rem .78rem .75rem; }
  .gw-nav__foot { margin-top: auto; padding: .95rem .1rem 0; }

  .gw-progress {
    top: 0;
    bottom: 0;
    left: auto;
    right: 0;
    width: 3px;
    height: 100%;
    transform: scaleY(var(--p, 0));
    transform-origin: 50% 0;
  }

  .gw-footer__grid { grid-template-columns: 1.5fr 1fr 1.25fr .9fr; gap: 2.4rem; }
  .gw-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .gw-grid { gap: 1.4rem; }
  #main-content { scroll-margin-block-start: 1rem; }
}

@media (min-width: 1440px) {
  :root { --rail-w: 17.5rem; }
}

/* ---------- 9. 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .js [data-reveal] { opacity: 1 !important; transform: none !important; }
  .gw-btn--flame:hover { transform: none; }
}