/* ==========================================================================
   日搏体育主站 · 共享样式表  /assets/site.css
   reset · 变量 · 中文排版 · 页头页脚 · 通用组件
   页面专属布局请写在页面 CSS 中，不要覆盖本文件的结构类。
   ========================================================================== */

/* --- 01 Reset ------------------------------------------------------------ */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 168px;
}

body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd, ul, ol, pre { margin: 0; }

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

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

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

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

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

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

:focus-visible {
  outline: 2px solid var(--score);
  outline-offset: 2px;
  border-radius: 1px;
}

/* --- 02 色彩与字体变量 ---------------------------------------------------- */
:root {
  color-scheme: dark;

  --ink: #0A1A2F;
  --panel: #12263C;
  --line: #24405E;
  --muted: #8CA2B8;
  --grass: #33B27C;
  --sprout: #8FE0B4;
  --score: #F3E85B;
  --odds: #FF7A2F;
  --paper: #F5EFE2;
  --deep: #05101D;

  --wrap: 1360px;
  --gutter: clamp(16px, 3.2vw, 40px);
  --rail: 260px;
  --anchor: 168px;

  --font-display: "Arial Narrow", "Helvetica Neue", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", "Courier New", monospace;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-paper: 6px 6px 0 rgba(5, 16, 29, 0.55);
}

/* --- 03 基础排版 ---------------------------------------------------------- */
body {
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    radial-gradient(58% 38% at 80% 0%, rgba(51, 178, 124, 0.16), transparent 70%),
    radial-gradient(46% 34% at 6% 100%, rgba(255, 122, 47, 0.09), transparent 72%);
  background-repeat: no-repeat;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--paper);
}

p { margin-bottom: 1.1em; }
p:last-child { margin-bottom: 0; }

strong, b { font-weight: 700; color: var(--paper); }

::selection {
  background: var(--grass);
  color: var(--deep);
}

main { display: block; }

#main-content { scroll-margin-top: var(--anchor); }

/* --- 04 页头 · 居中刊头导航 ----------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 20px 36px -28px var(--deep);
}

.skip-link {
  position: absolute;
  top: 0;
  left: -9999px;
  z-index: 120;
  padding: 10px 18px;
  background: var(--score);
  color: var(--deep);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
}

.skip-link:focus,
.skip-link:focus-visible {
  left: 12px;
  top: 12px;
}

.masthead {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: clamp(10px, 1.4vw, 18px) var(--gutter) 0;
}

/* 顶行细等宽索引 */
.masthead__rail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-height: 48px;
  overflow: hidden;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(36, 64, 94, 0.75);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  transition:
    max-height 240ms var(--ease),
    opacity 200ms var(--ease),
    padding 240ms var(--ease);
}

.rail__item { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.rail__item--right { color: var(--sprout); }

/* 刊头带 */
.masthead__band {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: clamp(10px, 1.6vw, 20px) 0 clamp(8px, 1.2vw, 14px);
}

.brand {
  grid-column: 2;
  display: grid;
  justify-items: center;
  gap: 2px;
  transition: transform 200ms var(--ease);
}

.brand__mark {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.4rem, 7vw, 5rem);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--paper);
  transition: font-size 240ms var(--ease), color 160ms var(--ease);
}

.brand__sub {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--muted);
  transition: opacity 180ms var(--ease);
}

.brand:hover .brand__mark,
.brand:focus-visible .brand__mark { color: var(--sprout); }

/* 移动导航按钮 */
.nav-toggle {
  grid-column: 3;
  justify-self: end;
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.nav-toggle:hover,
.nav-toggle:focus-visible { border-color: var(--grass); color: var(--sprout); }

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  transition: background 160ms var(--ease);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: currentColor;
  transition: transform 200ms var(--ease);
}

.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-5px) rotate(-45deg); }

/* 栏目条 */
.nav {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: clamp(14px, 3.4vw, 46px);
  margin-top: clamp(6px, 1vw, 12px);
  border-top: 1px solid rgba(36, 64, 94, 0.6);
}

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 12px 0 14px;
  font-size: 0.94rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
  transition: color 160ms var(--ease);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 8px;
  height: 2px;
  background: var(--grass);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 200ms var(--ease);
}

.nav__link:hover,
.nav__link:focus-visible { color: var(--paper); }

.nav__link:hover::after,
.nav__link:focus-visible::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); }

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

/* 滚动收缩状态 */
.site-header[data-shrunk] .masthead__rail {
  max-height: 0;
  opacity: 0;
  padding-bottom: 0;
  border-bottom-color: transparent;
}

.site-header[data-shrunk] .brand__mark { font-size: clamp(1.5rem, 3vw, 2.1rem); }
.site-header[data-shrunk] .brand__sub { opacity: 0; }

/* 阅读进度 */
.progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
}

.progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--grass), var(--sprout) 58%, var(--score));
  transition: transform 140ms linear;
}

/* --- 05 页脚 -------------------------------------------------------------- */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 9vw, 120px);
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(18, 38, 60, 0) 0%, rgba(18, 38, 60, 0.9) 42%, #0C1F34 100%);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--grass), var(--score) 46%, var(--odds) 78%, transparent 100%);
  opacity: 0.8;
}

.footer__inner {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: clamp(36px, 5vw, 68px) var(--gutter) 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 44px);
}

.footer__block {
  padding-top: 16px;
  border-top: 1px solid rgba(36, 64, 94, 0.9);
}

.footer__index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--grass);
  margin-bottom: 0;
}

.footer__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--paper);
  margin: 8px 0 14px;
}

.footer__list {
  display: grid;
  gap: 9px;
  font-size: 0.9rem;
  color: var(--muted);
}

.footer__list a {
  color: var(--muted);
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.footer__list a:hover,
.footer__list a:focus-visible {
  color: var(--sprout);
  border-bottom-color: var(--sprout);
}

.footer__list--mono {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.footer__note {
  margin-top: 14px;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--muted);
  opacity: 0.86;
}

.footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 48px);
  padding: 18px 0 22px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer__base strong { color: var(--sprout); font-weight: 400; }

/* --- 06 布局工具 ---------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(40px, 6vw, 84px); }

.stack { display: grid; gap: clamp(14px, 2vw, 22px); }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
}

.col-2 { grid-column: span 2; }
.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; }

.workbench {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
}

.workbench__rail {
  position: sticky;
  top: calc(var(--anchor) + 10px);
  align-self: start;
  padding-right: clamp(14px, 2vw, 22px);
  border-right: 1px solid var(--line);
}

/* --- 07 编号章节与文本组件 ----------------------------------------------- */
.chapter {
  position: relative;
  scroll-margin-top: var(--anchor);
}

.chapter__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--grass);
}

.chapter__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--grass);
}

.lead {
  max-width: 62ch;
  font-size: clamp(1.0625rem, 1.5vw, 1.22rem);
  line-height: 1.7;
  color: var(--paper);
}

.muted { color: var(--muted); }

.quote {
  border-left: 3px solid var(--grass);
  padding: 4px 0 4px 18px;
  font-size: 1.06rem;
  line-height: 1.6;
  color: var(--paper);
}

.rule {
  height: 1px;
  border: 0;
  margin: clamp(28px, 4vw, 52px) 0;
  background: var(--line);
}

.rule--gradient {
  background: linear-gradient(90deg, var(--grass), rgba(36, 64, 94, 0.85) 46%, transparent 100%);
}

.link {
  color: var(--sprout);
  border-bottom: 1px solid rgba(143, 224, 180, 0.4);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.link:hover,
.link:focus-visible {
  color: var(--score);
  border-bottom-color: var(--score);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.breadcrumb a { color: var(--muted); transition: color 160ms var(--ease); }
.breadcrumb a:hover,
.breadcrumb a:focus-visible { color: var(--sprout); }
.breadcrumb__sep { color: var(--line); }

/* --- 08 纸张叠层卡片与标签 ------------------------------------------------ */
.panel {
  position: relative;
  padding: clamp(16px, 2vw, 24px);
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-paper);
}

.panel--lift {
  transition:
    transform 200ms var(--ease),
    border-color 200ms var(--ease),
    box-shadow 200ms var(--ease);
}

.panel--lift:hover,
.panel--lift:focus-within {
  transform: translateY(-2px);
  border-color: var(--grass);
  box-shadow: 8px 10px 0 rgba(5, 16, 29, 0.6);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.tag--grass { border-color: rgba(51, 178, 124, 0.6); color: var(--sprout); }
.tag--score { border-color: rgba(243, 232, 91, 0.6); color: var(--score); }
.tag--odds { border-color: rgba(255, 122, 47, 0.6); color: var(--odds); }

/* --- 09 按钮与筛选片 ------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  transition:
    background 160ms var(--ease),
    border-color 160ms var(--ease),
    color 160ms var(--ease),
    transform 160ms var(--ease);
}

.btn:hover,
.btn:focus-visible {
  border-color: var(--grass);
  color: var(--sprout);
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--odds);
  border-color: var(--odds);
  color: var(--deep);
  font-weight: 700;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: #FF9350;
  border-color: #FF9350;
  color: var(--deep);
}

.btn--ghost {
  border-color: var(--grass);
  color: var(--sprout);
}

.chip {
  padding: 7px 14px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  transition:
    background 160ms var(--ease),
    border-color 160ms var(--ease),
    color 160ms var(--ease);
}

.chip:hover,
.chip:focus-visible { border-color: var(--grass); color: var(--paper); }

.chip[aria-pressed="true"],
.chip[data-selected] {
  background: var(--grass);
  border-color: var(--grass);
  color: var(--deep);
  font-weight: 700;
}

/* --- 10 数字与表格 -------------------------------------------------------- */
.num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.num--score {
  color: var(--score);
  font-size: clamp(2.2rem, 5vw, 4.6rem);
  line-height: 1;
}

.num--odds {
  color: var(--odds);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
}

.data-table { width: 100%; font-size: 0.9rem; }

.data-table th {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: left;
  color: var(--muted);
}

.data-table td {
  padding: 12px;
  border-bottom: 1px solid rgba(36, 64, 94, 0.6);
  color: var(--paper);
  vertical-align: middle;
}

.data-table tbody tr { transition: background 140ms var(--ease); }
.data-table tbody tr:hover { background: rgba(51, 178, 124, 0.08); }

/* --- 11 图片容器基础规则 -------------------------------------------------- */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--line);
  background-color: var(--panel);
  background-image:
    repeating-linear-gradient(135deg, rgba(36, 64, 94, 0.4) 0 1px, transparent 1px 12px),
    linear-gradient(160deg, #12263C 0%, #0A1A2F 58%, rgba(51, 178, 124, 0.24) 100%);
}

.media-frame > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 16, 29, 0) 55%, rgba(5, 16, 29, 0.6) 100%);
}

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

/* --- 12 响应式 ------------------------------------------------------------ */
@media (max-width: 1100px) {
  .workbench {
    grid-template-columns: minmax(0, 1fr);
  }

  .workbench__rail {
    position: static;
    padding-right: 0;
    border-right: 0;
  }

  .nav {
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-inline: 2px;
  }

  .nav::-webkit-scrollbar { display: none; }
}

@media (max-width: 900px) {
  .col-2, .col-3, .col-4, .col-5,
  .col-6, .col-7, .col-8, .col-9 { grid-column: span 12; }

  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  html { scroll-padding-top: 128px; }

  .masthead__band { grid-template-columns: 1fr auto; }

  .brand { grid-column: 1; justify-items: start; }
  .brand__mark { font-size: clamp(1.8rem, 8.5vw, 2.6rem); }
  .brand__sub { font-size: 0.6rem; letter-spacing: 0.24em; }

  .nav-toggle { display: inline-flex; }

  .masthead__rail {
    font-size: 0.66rem;
    letter-spacing: 0.12em;
  }

  .nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    margin-top: 0;
    border-top-color: transparent;
    transition:
      max-height 260ms var(--ease),
      opacity 200ms var(--ease),
      visibility 0s linear 260ms;
  }

  .nav[data-open] {
    max-height: 460px;
    opacity: 1;
    visibility: visible;
    margin-top: 4px;
    transition-delay: 0s, 0s, 0s;
  }

  .nav__link {
    padding: 15px 0;
    font-size: 1rem;
    border-bottom: 1px solid rgba(36, 64, 94, 0.55);
  }

  .nav__link:last-child { border-bottom: 0; }

  .nav__link::after {
    right: auto;
    left: 0;
    bottom: 12px;
    width: 40px;
  }

  .site-header[data-shrunk] .brand__mark { font-size: clamp(1.4rem, 6vw, 1.9rem); }
}

@media (max-width: 620px) {
  .footer__grid { grid-template-columns: minmax(0, 1fr); }
  .footer__base { font-size: 0.66rem; letter-spacing: 0.1em; }
}

/* --- 13 动效降级 ---------------------------------------------------------- */
@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;
    scroll-behavior: auto !important;
  }

  .progress__bar { transition: none; }
  .panel--lift:hover,
  .panel--lift:focus-within,
  .btn:hover,
  .btn:focus-visible { transform: none; }
}