/* =========================================================
   万搏 · 共享样式表 /assets/site.css
   结构：1 令牌 2 基础 3 容器 4 头部 5 页脚
        6 按钮 7 通用组件 8 动效 9 响应式
   ========================================================= */

/* ---------- 1. 设计令牌 ---------- */
:root {
  --wb-deep: #0B2545;
  --wb-blueprint: #14375E;
  --wb-index: #2C6BA8;
  --wb-mist: #E7EBF0;
  --wb-white: #FBFCFE;
  --wb-signal: #FF6B2C;
  --wb-signal-soft: #FFB78A;
  --wb-ink: #0F1620;
  --wb-gray: #59677A;
  --wb-green: #1F8A6D;

  --wb-line: rgba(11, 37, 69, 0.12);
  --wb-line-strong: rgba(11, 37, 69, 0.22);
  --wb-on-deep-line: rgba(231, 235, 240, 0.14);

  --wb-sans: system-ui, -apple-system, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --wb-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", "Courier New", monospace;

  --wb-radius: 2px;
  --wb-max: 1240px;
  --wb-gutter: 20px;
  --wb-shadow: 0 18px 42px -34px rgba(11, 37, 69, 0.65);
  --wb-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 132px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--wb-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--wb-ink);
  background-color: var(--wb-white);
  background-image:
    linear-gradient(to right, rgba(20, 55, 94, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(20, 55, 94, 0.055) 1px, transparent 1px);
  background-size: 64px 64px, 64px 64px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }

a { color: var(--wb-index); }

button { font: inherit; }

:focus-visible {
  outline: 2px solid var(--wb-index);
  outline-offset: 3px;
  border-radius: 1px;
}

.wb-footer :focus-visible,
.wb-statusbar :focus-visible { outline-color: var(--wb-signal-soft); }

/* ---------- 3. 容器 ---------- */
.wb-wrap {
  width: 100%;
  max-width: var(--wb-max);
  margin: 0 auto;
  padding-left: var(--wb-gutter);
  padding-right: var(--wb-gutter);
}

.wb-main { display: block; }

.wb-section { padding: 52px 0; }

/* ---------- 4. 头部 ---------- */
.wb-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--wb-white);
  border-bottom: 1px solid var(--wb-line-strong);
  transition: box-shadow 0.2s var(--wb-ease);
}

.wb-header[data-scrolled="true"] { box-shadow: var(--wb-shadow); }

.wb-skip {
  position: absolute;
  left: 12px;
  top: -72px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--wb-deep);
  color: var(--wb-white);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--wb-radius);
  transition: top 0.18s var(--wb-ease);
}
.wb-skip:focus { top: 10px; }

.wb-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  pointer-events: none;
}
.wb-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: var(--wb-signal);
}

/* 状态条 */
.wb-statusbar {
  background: var(--wb-deep);
  color: rgba(251, 252, 254, 0.74);
  font-family: var(--wb-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.wb-statusbar__inner {
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 34px;
  flex-wrap: wrap;
}
.wb-statusbar__item { display: inline-flex; align-items: center; white-space: nowrap; }
.wb-statusbar__item--end { margin-left: auto; color: rgba(255, 183, 138, 0.9); }
.wb-statusbar__dot {
  width: 7px;
  height: 7px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--wb-signal);
  box-shadow: 0 0 0 3px rgba(255, 107, 44, 0.22);
}

/* 主标头行 */
.wb-masthead { background: rgba(251, 252, 254, 0.94); }
.wb-masthead__inner {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 70px;
}

.wb-brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex: 0 0 auto;
  padding: 8px 0;
  text-decoration: none;
  color: var(--wb-deep);
}
.wb-brand__mark {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.wb-brand__sub {
  font-family: var(--wb-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--wb-gray);
}

/* 导航按钮 */
.wb-nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-left: auto;
  min-height: 44px;
  padding: 0 13px;
  background: transparent;
  color: var(--wb-deep);
  border: 1px solid var(--wb-line-strong);
  border-radius: var(--wb-radius);
  font-family: var(--wb-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
}
.wb-nav-toggle__bars {
  position: relative;
  display: inline-block;
  width: 16px;
  height: 10px;
}
.wb-nav-toggle__bars::before,
.wb-nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: var(--wb-deep);
  transition: transform 0.18s var(--wb-ease);
}
.wb-nav-toggle__bars::before { top: 0; }
.wb-nav-toggle__bars::after { bottom: 0; }
.wb-header[data-open="true"] .wb-nav-toggle__bars::before { transform: translateY(4px) rotate(45deg); }
.wb-header[data-open="true"] .wb-nav-toggle__bars::after { transform: translateY(-4px) rotate(-45deg); }

/* 导航基础 */
.wb-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.wb-nav__item { list-style: none; }
.wb-nav__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--wb-ink);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.16s var(--wb-ease);
}
.wb-nav__num {
  font-family: var(--wb-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--wb-gray);
}
.wb-nav__link:hover { color: var(--wb-index); }

@media (max-width: 1023px) {
  .wb-masthead__inner { flex-wrap: wrap; padding-bottom: 0; }
  .wb-nav {
    display: none;
    flex: 1 0 100%;
    padding: 6px 0 14px;
    border-top: 1px solid var(--wb-line);
  }
  .wb-header[data-open="true"] .wb-nav { display: block; }
  .wb-nav__link {
    min-height: 48px;
    padding: 0 4px;
    font-size: 16px;
    border-bottom: 1px solid var(--wb-line);
  }
  .wb-nav__link[aria-current="page"] {
    color: var(--wb-deep);
    font-weight: 700;
    padding-left: 12px;
    box-shadow: inset 3px 0 0 var(--wb-signal);
  }
  .wb-nav__link[aria-current="page"] .wb-nav__num { color: var(--wb-signal); }
  .wb-header__cta { display: none; }
  .wb-header[data-open="true"] .wb-header__cta {
    display: inline-flex;
    width: 100%;
    margin: 14px 0 4px;
  }
}

@media (min-width: 1024px) {
  .wb-nav-toggle { display: none; }
  .wb-nav { margin-left: auto; }
  .wb-nav__list { display: flex; align-items: center; gap: 2px; }
  .wb-nav__link {
    padding: 12px 12px;
    font-size: 15px;
  }
  .wb-nav__link::after {
    content: "";
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 4px;
    height: 2px;
    background: var(--wb-signal);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.18s var(--wb-ease);
  }
  .wb-nav__link:hover::after { transform: scaleX(1); }
  .wb-nav__link[aria-current="page"] {
    color: var(--wb-deep);
    font-weight: 700;
  }
  .wb-nav__link[aria-current="page"]::after { transform: scaleX(1); }
  .wb-nav__link[aria-current="page"] .wb-nav__num { color: var(--wb-signal); }
  .wb-header__cta { margin-left: 20px; }
}

/* ---------- 5. 页脚 ---------- */
.wb-footer {
  position: relative;
  overflow: hidden;
  background: var(--wb-deep);
  color: rgba(231, 235, 240, 0.72);
  font-size: 14px;
}
.wb-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(to right, rgba(231, 235, 240, 0.06) 1px, transparent 1px);
  background-size: 64px 100%;
}
.wb-footer__inner {
  position: relative;
  z-index: 1;
  padding-top: 52px;
  padding-bottom: 26px;
}

.wb-footer__top { display: grid; gap: 36px; }

.wb-footer__wordmark {
  margin: 0 0 12px;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--wb-white);
}
.wb-footer__summary {
  margin: 0;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(231, 235, 240, 0.66);
}
.wb-footer__stamp {
  margin: 16px 0 0;
  font-family: var(--wb-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(255, 183, 138, 0.92);
}

.wb-footer__cols { display: grid; gap: 28px; }
.wb-footer__col { min-width: 0; }
.wb-footer__title {
  margin: 0 0 14px;
  font-family: var(--wb-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--wb-white);
}
.wb-footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.wb-footer__link {
  color: rgba(231, 235, 240, 0.72);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--wb-ease), border-color 0.16s var(--wb-ease);
}
.wb-footer__link:hover {
  color: var(--wb-signal-soft);
  border-bottom-color: rgba(255, 183, 138, 0.5);
}

.wb-footer__contact {
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid var(--wb-on-deep-line);
  display: grid;
  gap: 16px;
}
.wb-footer__contact-item {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}
.wb-footer__contact-label {
  font-family: var(--wb-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(255, 183, 138, 0.86);
}
.wb-footer__contact-value {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(231, 235, 240, 0.82);
  word-break: break-word;
}

.wb-footer__bottom {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--wb-on-deep-line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  justify-content: space-between;
  align-items: baseline;
}
.wb-footer__legal {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12.5px;
  color: rgba(231, 235, 240, 0.56);
}
.wb-footer__sep { color: rgba(231, 235, 240, 0.3); }
.wb-footer__copy {
  margin: 0;
  font-size: 12px;
  color: rgba(231, 235, 240, 0.46);
}

/* ---------- 6. 按钮 ---------- */
.wb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--wb-radius);
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.16s var(--wb-ease), color 0.16s var(--wb-ease),
    border-color 0.16s var(--wb-ease);
}
.wb-btn--signal { background: var(--wb-signal); color: var(--wb-deep); }
.wb-btn--signal:hover { background: var(--wb-signal-soft); }
.wb-btn--deep { background: var(--wb-deep); color: var(--wb-white); }
.wb-btn--deep:hover { background: var(--wb-blueprint); }
.wb-btn--ghost {
  background: transparent;
  border-color: var(--wb-line-strong);
  color: var(--wb-deep);
}
.wb-btn--ghost:hover {
  border-color: var(--wb-index);
  color: var(--wb-index);
}
.wb-btn--quiet { background: var(--wb-mist); color: var(--wb-deep); }
.wb-btn--quiet:hover { background: #d9e0e8; }

/* ---------- 7. 通用组件 ---------- */
.wb-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--wb-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--wb-gray);
}
.wb-eyebrow::before {
  content: "";
  flex: 0 0 auto;
  width: 26px;
  height: 1px;
  background: var(--wb-signal);
}

.wb-h1,
.wb-h2,
.wb-h3 {
  margin: 0;
  font-weight: 800;
  font-stretch: 88%;
  letter-spacing: -0.018em;
  line-height: 1.14;
  color: var(--wb-deep);
}
.wb-h1 { font-size: clamp(2.25rem, 6.2vw, 4.5rem); }
.wb-h2 { font-size: clamp(1.6rem, 3.4vw, 2.6rem); }
.wb-h3 { font-size: 1.25rem; line-height: 1.35; }

.wb-lede {
  margin: 0;
  font-size: 18px;
  line-height: 1.8;
  color: var(--wb-gray);
}

.wb-mono {
  font-family: var(--wb-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.wb-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  font-family: var(--wb-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--wb-gray);
}
.wb-breadcrumb a { color: var(--wb-index); text-decoration: none; }
.wb-breadcrumb a:hover { text-decoration: underline; }
.wb-breadcrumb__sep { margin: 0 9px; color: var(--wb-line-strong); }

.wb-notice {
  position: relative;
  margin: 0;
  padding: 20px 22px 20px 24px;
  background: var(--wb-mist);
  border-left: 3px solid var(--wb-signal);
}
.wb-notice__meta {
  display: block;
  margin-bottom: 8px;
  font-family: var(--wb-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--wb-gray);
}
.wb-notice p { margin: 0 0 10px; }
.wb-notice p:last-child { margin-bottom: 0; }

.wb-entry {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--wb-line);
}
.wb-entry:last-child { border-bottom: 1px solid var(--wb-line); }
.wb-entry__num {
  font-family: var(--wb-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--wb-signal);
}
.wb-entry__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--wb-deep);
}
.wb-entry__text { margin: 0; color: var(--wb-gray); font-size: 15px; }
.wb-entry__tag {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 8px;
  background: var(--wb-white);
  border: 1px solid var(--wb-line-strong);
  border-radius: var(--wb-radius);
  font-family: var(--wb-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--wb-gray);
}

.wb-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  background: rgba(44, 107, 168, 0.1);
  border-radius: var(--wb-radius);
  font-family: var(--wb-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--wb-index);
}
.wb-tag--done {
  background: rgba(31, 138, 109, 0.12);
  color: var(--wb-green);
}

.wb-grid { display: grid; gap: 24px; }

@media (min-width: 900px) {
  .wb-grid--7-3 { grid-template-columns: 7fr 3fr; }
  .wb-grid--6-4 { grid-template-columns: 6fr 4fr; }
  .wb-grid--8-4 { grid-template-columns: 8fr 4fr; }
  .wb-grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
}

.wb-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
}
.wb-filter__btn {
  min-height: 40px;
  padding: 0 14px;
  background: transparent;
  border: 1px solid var(--wb-line-strong);
  border-radius: var(--wb-radius);
  font-family: var(--wb-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--wb-gray);
  cursor: pointer;
  transition: background-color 0.16s var(--wb-ease), color 0.16s var(--wb-ease),
    border-color 0.16s var(--wb-ease);
}
.wb-filter__btn:hover { border-color: var(--wb-index); color: var(--wb-index); }
.wb-filter__btn[aria-pressed="true"] {
  background: var(--wb-deep);
  border-color: var(--wb-deep);
  color: var(--wb-white);
}

/* 图片容器基础规则（供页面阶段放置图片） */
.wb-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--wb-blueprint);
  border: 1px solid rgba(11, 37, 69, 0.28);
}
.wb-figure__media {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.wb-figure--16x9 { aspect-ratio: 16 / 9; }
.wb-figure--4x3 { aspect-ratio: 4 / 3; }
.wb-figure--3x2 { aspect-ratio: 3 / 2; }
.wb-figure--1x1 { aspect-ratio: 1 / 1; }
.wb-figure--placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(
    135deg,
    rgba(231, 235, 240, 0.1) 25%,
    transparent 25%,
    transparent 50%,
    rgba(231, 235, 240, 0.1) 50%,
    rgba(231, 235, 240, 0.1) 75%,
    transparent 75%
  );
  background-size: 18px 18px;
}
.wb-figure__cap {
  margin-top: 9px;
  font-family: var(--wb-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--wb-gray);
}

/* ---------- 8. 动效与显现 ---------- */
.wb-js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.34s var(--wb-ease), transform 0.34s var(--wb-ease);
}
.wb-js [data-reveal="in"] {
  opacity: 1;
  transform: none;
}

/* ---------- 9. 响应式 ---------- */
@media (min-width: 768px) {
  :root { --wb-gutter: 32px; }
  .wb-section { padding: 76px 0; }
  .wb-footer__cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .wb-footer__contact { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 34px; }
  .wb-entry { grid-template-columns: minmax(0, 1fr) auto; align-items: start; }
  .wb-entry__meta { text-align: right; }
}

@media (min-width: 900px) {
  .wb-footer__top { grid-template-columns: minmax(260px, 1fr) 2fr; gap: 56px; align-items: start; }
  .wb-footer__inner { padding-top: 66px; padding-bottom: 32px; }
}

@media (min-width: 1100px) {
  .wb-footer__contact { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1200px) {
  :root { --wb-gutter: 40px; }
  .wb-section { padding: 92px 0; }
}

@media (max-width: 767px) {
  .wb-statusbar__inner { gap: 14px; min-height: 31px; font-size: 11px; }
  .wb-statusbar__item:nth-child(2) { display: none; }
  .wb-brand__sub { display: none; }
}

@media (max-width: 480px) {
  .wb-brand__mark { font-size: 20px; }
  .wb-statusbar__item--end { max-width: 60%; white-space: normal; }
}

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