/* ============================================================
   半岛官网CN · battle-bandao.com.cn
   Site Kit 共享样式 /assets/site.css
   视觉基因：深夜球场数据中控台 / 切角面板 / 斜线色带 / 等宽比分数字
   ============================================================ */

/* ---------- 设计变量 ---------- */
:root {
  --bg-dark: #0B1021;
  --bg-panel: #171332;
  --bg-overlay: #1B2138;
  --line: #2A3556;
  --text-main: #F2F5FA;
  --text-dim: #A3B2D0;
  --green: #00FFA3;
  --orange: #FF6B00;

  --font-head: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", system-ui, sans-serif;
  --font-mono: "Roboto Mono", SFMono-Regular, Consolas, monospace;

  --site-width: 1200px;
}

/* ---------- Reset 与基础 ---------- */
*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg-dark);
  background-image:
    radial-gradient(ellipse 70% 50% at 85% -10%, rgba(0,255,163,.06), transparent 60%),
    radial-gradient(ellipse 50% 40% at 10% 5%, rgba(255,107,0,.05), transparent 55%);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main, section, article, aside {
  display: block;
}

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

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

ul, ol {
  list-style: none;
}

a {
  color: inherit;
}

::selection {
  background: var(--green);
  color: #041811;
}

/* ---------- 中文排版与标题 ---------- */
h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: .02em;
  transform: skewX(-4deg);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin-bottom: 18px;
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.3rem);
  margin-bottom: 14px;
}

h3 {
  font-size: 1.12rem;
  margin-bottom: 10px;
}

.num {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: .03em;
}

/* ---------- 通用工具 ---------- */
.container {
  max-width: var(--site-width);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 40px);
}

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

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

.grid {
  display: grid;
  gap: clamp(16px, 3vw, 24px);
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 3000;
  display: inline-block;
  padding: 10px 20px;
  background: var(--green);
  color: #041811;
  font-weight: 700;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 100%, 0 100%);
  transform: translateY(-220%);
  transition: transform .2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 12px 28px 12px 22px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .12em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 100%, 0 100%);
  transition: background-color .2s, color .2s, box-shadow .2s, transform .2s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--green);
  color: #031A11;
}

.btn-primary:hover {
  box-shadow: 0 10px 30px rgba(0,255,163,.3);
}

.btn-outline {
  background: transparent;
  border-color: var(--green);
  color: var(--green);
}

.btn-outline:hover {
  background: rgba(0,255,163,.1);
}

.btn-warn {
  background: var(--orange);
  color: #1B0B01;
}

.btn-warn:hover {
  box-shadow: 0 10px 30px rgba(255,107,0,.3);
}

/* ---------- 头部：杂志刊头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11,16,33,.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 130% at 82% -30%, rgba(0,255,163,.1), transparent 60%),
    radial-gradient(ellipse 45% 110% at 12% -40%, rgba(255,107,0,.12), transparent 60%);
}

.scroll-progress {
  position: relative;
  z-index: 2;
  height: 3px;
  background: rgba(255,255,255,.04);
}

.scroll-progress > span {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--orange));
  box-shadow: 0 0 12px rgba(0,255,163,.5);
}

.masthead {
  position: relative;
  z-index: 1;
  max-width: var(--site-width);
  margin: 0 auto;
  padding: 18px clamp(16px, 4vw, 40px) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.masthead-kicker {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .24em;
  color: var(--text-dim);
  text-transform: uppercase;
  white-space: nowrap;
}

.masthead-kicker::before,
.masthead-kicker::after {
  content: "";
  flex: 0 0 34px;
  height: 1px;
}

.masthead-kicker::before {
  background: linear-gradient(to left, var(--line), transparent);
}

.masthead-kicker::after {
  background: linear-gradient(to right, var(--line), transparent);
}

.mk-domain {
  color: var(--green);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  line-height: 1;
}

.brand-name {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  font-weight: 900;
  letter-spacing: .1em;
  color: var(--text-main);
  transform: skewX(-5deg);
}

.brand-name::before {
  content: "◆";
  display: inline-block;
  color: var(--green);
  font-size: .5em;
  vertical-align: middle;
  margin-right: .18em;
  transform: skewX(5deg);
}

.brand-tagline {
  margin-top: 8px;
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .42em;
  color: var(--green);
  transform: skewX(-5deg);
  text-indent: .42em;
}

/* ---------- 导航栏目带 ---------- */
.site-nav {
  width: 100%;
  margin-top: 14px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.site-nav ul {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px;
  padding: 6px 0;
}

.site-nav a {
  display: block;
  position: relative;
  padding: 8px 18px;
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--text-dim);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 100%, 0 100%);
  transition: background-color .2s, color .2s;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text-main);
  background: rgba(0,255,163,.08);
}

.site-nav a[aria-current="page"] {
  color: var(--green);
  background: rgba(0,255,163,.1);
}

.site-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 16px;
  bottom: 4px;
  width: calc(100% - 30px);
  height: 2px;
  background: var(--green);
  box-shadow: 0 0 8px rgba(0,255,163,.6);
}

/* ---------- 移动导航按钮 ---------- */
.nav-toggle {
  display: none;
  position: absolute;
  top: 16px;
  right: 14px;
  z-index: 3;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 100%, 0 100%);
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-main);
  transition: transform .25s ease, opacity .25s ease;
}

.nav-toggle[data-open] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[data-open] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[data-open] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: 100px;
  background:
    radial-gradient(ellipse 60% 90% at 85% 0%, rgba(255,107,0,.07), transparent 60%),
    var(--bg-panel);
  border-top: 1px solid var(--line);
  overflow: hidden;
}

.footer-flagbar {
  height: 4px;
  background: linear-gradient(100deg,
    var(--green) 0%, var(--green) 24%,
    var(--line) 24%, var(--line) 46%,
    var(--orange) 46%, var(--orange) 72%,
    var(--line) 72%, var(--line) 100%);
}

.footer-cols {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: clamp(24px, 4vw, 48px);
  padding-top: 46px;
  padding-bottom: 46px;
}

.footer-brand-col .brand {
  align-items: flex-start;
  text-align: left;
}

.footer-brand-col .brand-name {
  font-size: 1.55rem;
}

.footer-brand-col .brand-tagline {
  margin-top: 6px;
  font-size: .6rem;
}

.footer-trust {
  margin-top: 16px;
  padding-left: 14px;
  border-left: 2px solid var(--green);
  max-width: 30em;
  font-size: .88rem;
  color: var(--text-dim);
  line-height: 1.7;
}

.footer-trust .num {
  color: var(--green);
}

.footer-note {
  margin-top: 14px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line);
  font-size: .8rem;
  color: var(--text-dim);
  letter-spacing: .04em;
}

.footer-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: .06em;
  transform: skewX(-3deg);
}

.foot-index {
  display: inline-block;
  padding: 0 6px;
  border: 1px solid rgba(255,107,0,.6);
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 400;
  color: var(--orange);
  transform: skewX(3deg);
}

.footer-links li + li {
  margin-top: 8px;
}

.footer-links a {
  display: inline-block;
  color: var(--text-dim);
  font-size: .9rem;
  text-decoration: none;
  transition: color .2s, transform .2s;
}

.footer-links a:hover {
  color: var(--green);
  transform: translateX(3px);
}

.footer-meta {
  margin-bottom: 8px;
  font-size: .85rem;
  line-height: 1.6;
  color: var(--text-dim);
}

.footer-bottom {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  padding: 16px 0;
  background: rgba(11,16,33,.65);
}

.footer-bottom-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 28px;
  font-size: .78rem;
  color: var(--text-dim);
  letter-spacing: .06em;
}

.footer-copy {
  letter-spacing: .02em;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-legal a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color .2s;
}

.footer-legal a:hover {
  color: var(--green);
}

/* ---------- 章节与叙事组件 ---------- */
.section-band {
  position: relative;
  padding: clamp(56px, 9vw, 110px) 0;
  border-top: 1px solid var(--line);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 400;
  letter-spacing: .3em;
  color: var(--orange);
  text-transform: uppercase;
}

.section-label::before {
  content: "";
  width: 30px;
  height: 2px;
  background: var(--orange);
  transform: skewX(-35deg);
}

.breadcrumbs {
  padding: 18px 0 4px;
  font-size: .82rem;
  color: var(--text-dim);
  letter-spacing: .08em;
}

.breadcrumbs a {
  color: var(--text-dim);
  text-decoration: none;
}

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

.page-head {
  padding: clamp(32px, 6vw, 64px) 0 8px;
}

/* ---------- 文章正文 ---------- */
.prose {
  max-width: 70ch;
}

.prose p + p {
  margin-top: 1em;
}

.prose a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.prose a:hover {
  color: var(--text-main);
}

.prose ul {
  list-style: square;
  padding-left: 1.2em;
}

.prose li + li {
  margin-top: .4em;
}

/* ---------- 通用面板与数据组件 ---------- */
.panel-cut {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.data-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  background: var(--bg-overlay);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--green);
  line-height: 1.5;
}

.data-chip--orange {
  color: var(--orange);
  border-color: rgba(255,107,0,.5);
}

/* ---------- 数据表格 ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .93rem;
}

.data-table caption {
  text-align: left;
  padding: 10px 12px;
  font-family: var(--font-head);
  font-weight: 800;
  color: var(--text-main);
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-bottom: none;
}

.data-table th {
  padding: 10px 12px;
  border-bottom: 2px solid var(--orange);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-align: left;
  color: var(--green);
}

.data-table td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  color: var(--text-main);
}

.data-table tbody tr {
  transition: background-color .15s;
}

.data-table tbody tr:hover {
  background: rgba(0,255,163,.05);
}

.data-table td.num {
  text-align: right;
}

/* ---------- 卡片 ---------- */
.card-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: clamp(16px, 3vw, 24px);
}

.card {
  position: relative;
  padding: 24px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  transition: border-color .2s, transform .2s;
}

.card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 16px;
  width: 48px;
  height: 3px;
  background: var(--green);
  transform: skewX(-40deg);
}

.card:hover {
  border-color: rgba(0,255,163,.4);
  transform: translateY(-3px);
}

/* ---------- 标签 ---------- */
.tag {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--line);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--text-dim);
}

.tag--hot {
  color: var(--orange);
  border-color: rgba(255,107,0,.55);
  background: rgba(255,107,0,.1);
}

/* ---------- 图片容器 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  min-height: 180px;
  border: 1px solid var(--line);
  background: var(--bg-overlay);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

.media-frame:hover img {
  transform: scale(1.05);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 42%, rgba(0,255,163,.08) 46%, transparent 50%);
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}

.media-frame:hover::after {
  opacity: 1;
}

/* ---------- 滚动显现 ---------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s ease, transform .7s ease;
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .footer-cols {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 820px) {
  body {
    background-attachment: scroll;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    border-bottom: none;
  }

  .site-nav[data-open] {
    display: block;
    animation: navDrop .25s ease-out;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 0;
  }

  .site-nav a {
    clip-path: none;
    border-left: 3px solid transparent;
    border-bottom: 1px solid rgba(42,53,86,.5);
    text-align: left;
    padding: 13px 10px;
  }

  .site-nav a[aria-current="page"] {
    border-left-color: var(--green);
    background: rgba(0,255,163,.08);
    box-shadow: none;
  }

  .site-nav a[aria-current="page"]::after {
    display: none;
  }

  .masthead-kicker .mk-domain {
    display: none;
  }
}

@keyframes navDrop {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 560px) {
  .masthead-kicker {
    font-size: .6rem;
    letter-spacing: .14em;
  }

  .masthead-kicker::before,
  .masthead-kicker::after {
    flex-basis: 16px;
  }

  .footer-cols {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .data-table {
    font-size: .85rem;
  }

  .data-table th,
  .data-table td {
    padding: 8px 6px;
  }
}

/* ---------- 低动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

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

  .media-frame:hover img {
    transform: none;
  }

  .skip-link {
    transition: none;
  }
}