/* ==========================================================================
   新濠主站 · 共享样式表  /assets/site.css
   深夜数据港导航屏 · 蓝图网格 · 纸面叠层
   ========================================================================== */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 124px;
}

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

ul, ol { list-style: none; }

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

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

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

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

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

/* ---------- 2. 设计令牌 ---------- */
:root {
  --ink-900: #0A1730;
  --ink-800: #102544;
  --ink-700: #0C1D3A;
  --line: #1E3A63;
  --line-soft: rgba(30, 58, 99, 0.5);
  --cyan: #2CE5D6;
  --cyan-soft: #7BF3E9;
  --gold: #F2B544;
  --paper: #F2EFE7;
  --black: #0B0E14;
  --mist: #93A4BF;
  --red: #E0604E;
  --text: #E6EDF9;
  --text-dim: #B9C7DD;

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

  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 42px);
  --radius: 14px;
  --pill: 999px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 3. 基底与蓝图网格 ---------- */
body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--ink-900);
  background-image:
    radial-gradient(circle at 10% 6%, rgba(44, 229, 214, 0.10), transparent 46%),
    radial-gradient(circle at 92% 3%, rgba(242, 181, 68, 0.08), transparent 42%),
    linear-gradient(to right, rgba(30, 58, 99, 0.42) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 58, 99, 0.42) 1px, transparent 1px);
  background-size: auto, auto, 96px 96px, 96px 96px;
  background-attachment: fixed, fixed, fixed, fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

#main-content { display: block; outline: none; }

::selection { background: var(--cyan); color: var(--ink-900); }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 4. 通用排版 ---------- */
h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: #FFFFFF;
}

.display-1 {
  font-size: clamp(40px, 8.4vw, 88px);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.02em;
}

.display-2 {
  font-size: clamp(30px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.section-title {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.lead {
  font-size: 17.5px;
  line-height: 1.75;
  color: var(--text-dim);
  max-width: 34em;
}

.prose { font-size: 17px; line-height: 1.8; color: var(--text-dim); }
.prose > p { max-width: 36em; margin-bottom: 1.15em; }
.prose > p:last-child { margin-bottom: 0; }
.prose strong { color: #FFFFFF; font-weight: 700; }

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 5. 布局容器 ---------- */
.wrap {
  width: min(100% - var(--gutter) * 2, var(--wrap));
  margin-inline: auto;
}

.wrap--narrow {
  width: min(100% - var(--gutter) * 2, 780px);
  margin-inline: auto;
}

.section { padding-block: clamp(48px, 7vw, 88px); }

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  padding-bottom: 18px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--line);
}

.blueprint-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 24px);
}

/* ---------- 6. 按钮 / 标签 / 说明块 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(16, 37, 68, 0.72);
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: transform 0.2s var(--ease), background-color 0.2s var(--ease),
    border-color 0.2s var(--ease), color 0.2s var(--ease);
}

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

.btn--accent {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
  font-weight: 700;
}
.btn--accent:hover { background: var(--cyan-soft); border-color: var(--cyan-soft); }

.btn--gold {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-900);
  font-weight: 700;
}
.btn--gold:hover { background: #FFC960; border-color: #FFC960; }

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

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
  white-space: nowrap;
}

.tag--cyan {
  color: var(--cyan);
  border-color: rgba(44, 229, 214, 0.45);
  background: rgba(44, 229, 214, 0.08);
}
.tag--gold {
  color: var(--gold);
  border-color: rgba(242, 181, 68, 0.45);
  background: rgba(242, 181, 68, 0.08);
}
.tag--red {
  color: var(--red);
  border-color: rgba(224, 96, 78, 0.5);
  background: rgba(224, 96, 78, 0.08);
}

.note-block {
  padding: 16px 18px;
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(16, 37, 68, 0.6);
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.8;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}
.breadcrumbs a:hover { color: var(--cyan); }
.breadcrumbs__sep { opacity: 0.45; }

/* ---------- 7. 图形容器（页面阶段放入图片或内联 SVG） ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(140deg, rgba(16, 37, 68, 0.92), rgba(10, 23, 48, 0.72));
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(90% 70% at 12% 0%, rgba(44, 229, 214, 0.14), transparent 62%),
    linear-gradient(to right, rgba(30, 58, 99, 0.35) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 58, 99, 0.35) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
}

.media-frame__inner {
  position: relative;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
}

.media-frame__inner img,
.media-frame__inner svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

/* ---------- 8. 纸白印刷叠层 ---------- */
.paper-block {
  position: relative;
  padding: clamp(22px, 3.4vw, 38px);
  border: 2px solid var(--black);
  border-radius: 6px;
  background: var(--paper);
  color: var(--black);
  transform: rotate(-0.6deg);
  box-shadow: 14px 16px 0 -6px rgba(44, 229, 214, 0.16);
}
.paper-block--tilt-r { transform: rotate(0.8deg); }
.paper-block h2, .paper-block h3, .paper-block h4 { color: var(--black); }
.paper-block .eyebrow { color: #1B5F70; }
.paper-block .prose { color: #31353E; }

/* ---------- 9. 显现动效协议 ---------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
html.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 10. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  padding: 14px var(--gutter) 0;
  pointer-events: none;
}

.skip-link {
  position: absolute;
  left: 50%;
  top: 8px;
  z-index: 120;
  padding: 10px 20px;
  border-radius: var(--pill);
  background: var(--cyan);
  color: var(--ink-900);
  font-size: 14px;
  font-weight: 700;
  pointer-events: auto;
  transform: translate(-50%, -220%);
  transition: transform 0.22s var(--ease);
}
.skip-link:focus-visible { transform: translate(-50%, 0); }

.read-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  z-index: 80;
  background: rgba(30, 58, 99, 0.45);
  pointer-events: none;
}
.read-progress__bar {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
  box-shadow: 0 0 14px rgba(44, 229, 214, 0.55);
  will-change: transform;
}

.site-header__inner {
  width: min(100%, var(--wrap));
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: auto;
}

.nav-pod {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.4vw, 20px);
  height: 58px;
  padding: 0 10px 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: linear-gradient(120deg, rgba(16, 37, 68, 0.94), rgba(10, 23, 48, 0.86));
  box-shadow: 0 20px 44px -30px rgba(0, 0, 0, 0.95),
    inset 0 1px 0 rgba(123, 243, 233, 0.07);
  transition: height 0.28s var(--ease), background 0.28s var(--ease),
    border-color 0.28s var(--ease);
}

.site-header.is-compact .nav-pod {
  height: 50px;
  border-color: rgba(44, 229, 214, 0.24);
  background: linear-gradient(120deg, rgba(12, 29, 58, 0.98), rgba(10, 23, 48, 0.95));
}

.nav-pod__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding: 6px 4px 6px 0;
}

.brand-mark {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 12px rgba(44, 229, 214, 0.5);
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--cyan);
  opacity: 0.9;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.12; }

.brand-name {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #FFFFFF;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.nav-pod__nav { margin-left: auto; }

.nav-list { display: flex; align-items: center; gap: 2px; }

.nav-link {
  display: inline-block;
  padding: 8px 12px;
  border-radius: var(--pill);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--mist);
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.nav-link:hover { color: #FFFFFF; background: rgba(44, 229, 214, 0.09); }
.nav-link[aria-current="page"] {
  color: var(--ink-900);
  background: var(--cyan);
  font-weight: 700;
}

.nav-pod__tools {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 6px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
}

.tool-link {
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease),
    background-color 0.2s var(--ease);
}
.tool-link:hover { color: var(--cyan-soft); border-color: rgba(44, 229, 214, 0.5); }

.tool-link--relogin {
  color: var(--gold);
  border-color: rgba(242, 181, 68, 0.42);
  background: rgba(242, 181, 68, 0.09);
}
.tool-link--relogin:hover {
  color: var(--ink-900);
  background: var(--gold);
  border-color: var(--gold);
}

.nav-toggle {
  display: none;
  flex: 0 0 auto;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 42px;
  height: 42px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.nav-toggle:hover { border-color: rgba(44, 229, 214, 0.55); }
.nav-toggle[aria-expanded="true"] {
  border-color: var(--cyan);
  background: rgba(44, 229, 214, 0.12);
}

.nav-toggle__bar {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

.status-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  padding-left: clamp(12px, 2vw, 26px);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.status-strip__item { display: inline-flex; align-items: center; gap: 6px; }

.status-strip__label {
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 3px;
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.status-strip__sep { color: rgba(30, 58, 99, 0.9); }

/* ---------- 11. 页脚 ---------- */
.site-footer {
  margin-top: clamp(56px, 8vw, 104px);
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(10, 23, 48, 0.55), rgba(16, 37, 68, 0.97) 60%),
    var(--ink-800);
}

.site-footer__inner {
  width: min(100% - var(--gutter) * 2, var(--wrap));
  margin-inline: auto;
  padding: clamp(38px, 5.6vw, 72px) 0 34px;
  display: grid;
  grid-template-columns: 1.5fr 0.9fr 1.15fr 0.9fr;
  gap: 40px 32px;
}

/* 固定重新登录入口 */
.footer-relogin {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid rgba(242, 181, 68, 0.38);
  border-radius: 16px;
  background:
    radial-gradient(130% 120% at 0% 0%, rgba(242, 181, 68, 0.16), transparent 58%),
    linear-gradient(160deg, rgba(16, 37, 68, 0.94), rgba(10, 23, 48, 0.88));
}
.footer-relogin::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--gold), rgba(242, 181, 68, 0));
}

.footer-eyebrow {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}

.footer-title {
  font-size: clamp(19px, 2vw, 23px);
  font-weight: 800;
  line-height: 1.25;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.footer-relogin__note {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 34em;
  margin-bottom: 18px;
}

.footer-relogin__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 栏目索引 */
.footer-heading {
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.footer-index__list { display: grid; gap: 1px; }

.footer-index__link {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: #C9D6EA;
  border-bottom: 1px solid rgba(30, 58, 99, 0.5);
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}
.footer-index__link:hover { color: var(--cyan-soft); padding-left: 6px; }

/* 联系方式 */
.contact-list { display: grid; gap: 0; }

.contact-list__row {
  padding: 9px 0;
  border-bottom: 1px dashed rgba(30, 58, 99, 0.85);
}
.contact-list__row:last-child { border-bottom: 0; }

.contact-list__key {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.contact-list__val {
  font-size: 14px;
  line-height: 1.7;
  color: #DCE6F5;
  overflow-wrap: anywhere;
}

.footer-contact__note {
  margin-top: 14px;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* 法务与备案 */
.legal-links { display: grid; gap: 4px; margin-bottom: 16px; }
.legal-links a {
  display: inline-block;
  font-size: 14px;
  color: #C9D6EA;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.legal-links a:hover { color: var(--cyan-soft); border-bottom-color: rgba(44, 229, 214, 0.5); }

.footer-icp {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 8px;
}

.footer-copy {
  font-size: 12px;
  line-height: 1.75;
  color: var(--mist);
  margin-bottom: 6px;
}

/* ---------- 12. 断点 ---------- */
@media (max-width: 1080px) {
  .tool-link { font-size: 11.5px; padding: 7px 10px; }
  .nav-link { padding: 8px 10px; font-size: 13.5px; }
}

@media (max-width: 1024px) {
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
  .footer-relogin { grid-column: 1 / -1; }
}

@media (max-width: 980px) {
  .site-header { padding-top: 10px; }
  html { scroll-padding-top: 96px; }

  .nav-pod {
    flex-wrap: wrap;
    height: auto;
    min-height: 56px;
    padding: 8px 10px 8px 14px;
    border-radius: 22px;
    row-gap: 6px;
  }
  .site-header.is-compact .nav-pod { height: auto; }

  .nav-pod__brand { order: 1; }
  .nav-toggle { order: 2; display: flex; }
  .nav-pod__nav {
    order: 3;
    flex: 1 0 100%;
    display: none;
    margin-left: 0;
    padding-top: 8px;
    border-top: 1px solid var(--line);
  }
  .nav-pod[data-open] .nav-pod__nav { display: block; }

  .nav-list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-link { display: block; padding: 11px 12px; border-radius: 12px; font-size: 15px; }

  .nav-pod__tools {
    order: 4;
    flex: 1 0 100%;
    display: none;
    margin-left: 0;
    padding: 8px 0 4px;
    border-left: 0;
    border-top: 1px dashed rgba(30, 58, 99, 0.9);
  }
  .nav-pod[data-open] .nav-pod__tools { display: flex; }
  .tool-link { flex: 1 1 46%; text-align: center; font-size: 12px; }
}

@media (max-width: 760px) {
  body { background-attachment: scroll; }
  .status-strip { font-size: 11px; letter-spacing: 0.08em; padding-left: 6px; }
  .blueprint-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .paper-block { transform: none; }
  .paper-block--tilt-r { transform: none; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .site-footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-relogin { grid-column: auto; }
  .footer-relogin__actions { flex-direction: column; align-items: stretch; }
  .footer-relogin__actions .btn { width: 100%; }
  .brand-sub { display: none; }
  .read-progress { height: 2px; }
}

/* ---------- 13. 动效与可访问性偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js [data-reveal] { opacity: 1; transform: none; transition: none; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .btn:hover { transform: none; }
  .footer-index__link:hover { padding-left: 0; }
}