/* ========== 365娱乐 全局共享样式 ========== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --c-navy-deep: #0B1D3A;
  --c-navy: #1A3A6B;
  --c-gold: #D4A843;
  --c-gold-bright: #F0C75E;
  --c-red: #E63946;
  --c-white: #FFFFFF;
  --c-gray: #EAEAEA;
  --c-charcoal: #121212;
  --c-slate: #4A5A78;
  --c-gold-dark: #A87A30;

  --font-heading: Inter, "Noto Sans SC", sans-serif;
  --font-body: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;

  --max-width: 1200px;
  --section-pad: clamp(3rem, 7vw, 6rem);

  --font-h1: clamp(3rem, 7vw, 6rem);
  --font-h2: clamp(2.5rem, 5vw, 4rem);
  --font-h3: clamp(2rem, 3.5vw, 3rem);
  --font-h4: clamp(1.4rem, 2.5vw, 2rem);
  --font-body-size: 1.125rem;
  --font-small: 0.875rem;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

body {
  background: var(--c-navy-deep);
  color: var(--c-white);
  font-family: var(--font-body);
  font-size: var(--font-body-size);
  line-height: 1.7;
  min-height: 100vh;
}

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1rem;
}

h1 { font-size: var(--font-h1); }
h2 { font-size: var(--font-h2); }
h3 { font-size: var(--font-h3); }
h4 { font-size: var(--font-h4); }

p {
  margin-bottom: 1rem;
}

ul,
ol {
  padding-left: 1.2rem;
}

a {
  color: var(--c-white);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

a:hover {
  color: var(--c-gold-bright);
}

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

#main-content {
  scroll-margin-top: 2rem;
}

/* ========== 布局容器与区块 ========== */

.site-container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.section {
  padding-block: var(--section-pad);
}

.section--light {
  background: var(--c-gray);
  color: var(--c-navy-deep);
}

.section--light .section__lead {
  color: var(--c-navy-deep);
}

.section--tint {
  background: var(--c-navy);
}

.section__title {
  font-size: var(--font-h2);
}

.section__lead {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: rgba(255, 255, 255, 0.85);
  max-width: 60ch;
}

.split {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

@media (min-width: 1024px) {
  .split {
    grid-template-columns: 2fr 3fr;
  }
}

.grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ========== 按钮 ========== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--c-gold);
  color: var(--c-navy-deep);
  border: none;
  clip-path: polygon(0.6rem 0, calc(100% - 0.6rem) 0, 100% 50%, calc(100% - 0.6rem) 100%, 0.6rem 100%, 0 50%);
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease, color 0.2s ease;
}

.btn:hover {
  background: var(--c-gold-bright);
  color: var(--c-navy-deep);
}

.btn:active {
  transform: scale(0.97);
}

.btn:focus-visible {
  outline-offset: -3px;
}

/* ========== 跳过链接 ========== */

.skip-link {
  position: absolute;
  top: -200%;
  left: 1rem;
  z-index: 1200;
  padding: 0.75rem 1.25rem;
  background: var(--c-gold);
  color: var(--c-navy-deep);
  font-weight: 800;
  border-radius: 2px;
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(220%);
}

/* ========== 滚动进度 ========== */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1100;
  width: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-gold), var(--c-red));
  pointer-events: none;
}

/* ========== 头部 ========== */

.site-header {
  position: relative;
  z-index: 100;
  background: repeating-linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.02) 0,
      rgba(255, 255, 255, 0.02) 8px,
      transparent 8px,
      transparent 16px
    ),
    var(--c-navy-deep);
  border-bottom: 4px solid var(--c-gold);
}

.site-header__interior {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

.site-header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem;
}

.site-brand {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  color: var(--c-white);
  line-height: 1.2;
}

.site-brand:hover {
  color: var(--c-white);
}

.site-brand__emblem {
  width: 2.4rem;
  height: 2.4rem;
  background: var(--c-red);
  clip-path: polygon(25% 0%, 100% 0%, 75% 100%, 0% 100%);
  transform: skew(-15deg);
  flex-shrink: 0;
}

.site-brand__name {
  display: flex;
  align-items: baseline;
  font-family: var(--font-heading);
}

.site-brand__number {
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--c-gold);
}

.site-brand__word {
  font-size: 1.4rem;
  font-weight: 800;
  margin-left: 0.1rem;
  color: var(--c-white);
}

.site-brand__sub {
  width: 100%;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--c-gold-bright);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.site-header__live {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.6rem;
  background: var(--c-charcoal);
  border: 1px solid var(--c-red);
  color: var(--c-red);
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.site-header__live-dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--c-red);
  animation: live-pulse 1.2s infinite ease-in-out;
}

@keyframes live-pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(0.75);
  }
}

.site-header__cta.btn {
  padding-block: 0.65rem 0.9rem;
  font-size: 0.82rem;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.9rem;
  background: var(--c-navy);
  border: 1px solid var(--c-slate);
  color: var(--c-white);
  font-family: var(--font-body);
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.nav-toggle:hover {
  border-color: var(--c-gold);
}

.nav-toggle__bars {
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: 16px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  background: var(--c-gold);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* ========== 导航 ========== */

.site-nav {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 90;
  background: rgba(11, 29, 58, 0.98);
  border-bottom: 4px solid var(--c-gold);
  box-shadow: 0 20px 30px rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}

.site-nav[data-open] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.site-nav__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  padding: 0.5rem 0;
}

.site-nav__link {
  display: block;
  padding: 0.9rem 1.25rem;
  color: var(--c-white);
  font-weight: 700;
  border-left: 4px solid transparent;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.site-nav__link:hover {
  color: var(--c-gold-bright);
  background: rgba(212, 168, 67, 0.08);
  border-left-color: var(--c-gold);
}

.site-nav__link[aria-current="page"] {
  color: var(--c-gold);
  background: rgba(212, 168, 67, 0.06);
  border-left-color: var(--c-gold-bright);
}

@media (min-width: 768px) {
  .site-header__row {
    padding-block: 1.5rem 1rem;
  }

  .site-header__cta {
    display: inline-flex;
  }

  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    z-index: auto;
    background: transparent;
    border-bottom: none;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
    transition: none;
    padding-bottom: 0.5rem;
  }

  .site-nav__list {
    flex-direction: row;
    justify-content: center;
    gap: 0.5rem;
    padding: 0;
  }

  .site-nav__link {
    padding: 0.6rem 1.1rem;
    border-left: none;
    border-bottom: 4px solid transparent;
  }

  .site-nav__link:hover {
    background: none;
    border-left-color: transparent;
    border-bottom-color: var(--c-gold);
  }

  .site-nav__link[aria-current="page"] {
    background: none;
    border-left: none;
    border-bottom-color: var(--c-gold-bright);
  }
}

@media (max-width: 640px) {
  .site-header__live {
    display: none;
  }

  .site-header__cta.btn {
    padding-inline: 1rem;
    font-size: 0.75rem;
  }

  .nav-toggle__label {
    display: none;
  }
}

/* ========== 返回顶部 ========== */

.to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 1000;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.2rem;
  background: var(--c-gold);
  color: var(--c-navy-deep);
  border: none;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  clip-path: polygon(0.5rem 0, calc(100% - 0.5rem) 0, 100% 50%, calc(100% - 0.5rem) 100%, 0.5rem 100%, 0 50%);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem);
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.to-top:hover {
  background: var(--c-gold-bright);
}

.to-top:focus-visible {
  outline-offset: -3px;
}

/* ========== 面包屑 ========== */

.breadcrumbs {
  padding: 1rem 0;
}

.breadcrumbs__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
  padding: 0;
  margin: 0;
}

.breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--c-slate);
}

.breadcrumbs__link {
  color: var(--c-slate);
  transition: color 0.2s ease;
}

.breadcrumbs__link:hover {
  color: var(--c-gold);
}

.breadcrumbs__item[aria-current="page"] {
  color: var(--c-gold);
  font-weight: 700;
}

/* ========== 卡片与媒体占位 ========== */

.card {
  position: relative;
  background: var(--c-navy);
  border: 1px solid var(--c-slate);
  padding: clamp(1.25rem, 3vw, 2rem);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
  border-color: var(--c-gold-dark);
}

.card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.card__meta {
  font-size: 0.85rem;
  color: var(--c-gold-bright);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.card__text {
  color: rgba(255, 255, 255, 0.82);
}

.card--light {
  background: var(--c-gray);
  color: var(--c-navy-deep);
}

.card--light .card__text {
  color: var(--c-navy-deep);
}

.media-frame {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-navy-deep) 100%);
  border: 1px solid var(--c-slate);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  color: var(--c-slate);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    rgba(255, 255, 255, 0) 0,
    rgba(255, 255, 255, 0) 8px,
    rgba(212, 168, 67, 0.08) 8px,
    rgba(212, 168, 67, 0.08) 16px
  );
  pointer-events: none;
}

.media-frame > * {
  position: relative;
  z-index: 1;
}

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

/* ========== 页脚 ========== */

.site-footer {
  margin-top: auto;
  background: var(--c-charcoal);
  color: var(--c-white);
  border-top: 4px solid var(--c-gold);
}

.site-footer__inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1rem, 4vw, 2rem) 2rem;
}

.site-footer__main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .site-footer__main {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.site-brand--footer:hover {
  color: var(--c-white);
}

.site-brand--footer .site-brand__sub {
  color: var(--c-slate);
}

.site-footer__desc {
  margin-top: 0.8rem;
  color: var(--c-slate);
  font-size: 0.95rem;
}

.site-footer__update {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1rem;
  padding: 0.7rem 1rem;
  background: var(--c-navy-deep);
  border-left: 4px solid var(--c-gold);
  color: var(--c-gold-bright);
  font-size: 0.9rem;
}

.site-footer__update-icon {
  width: 0.6rem;
  height: 0.6rem;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--c-red);
  box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.2);
}

.site-footer__heading {
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--c-slate);
  color: var(--c-gold);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.site-footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 0;
}

.site-footer__links a {
  color: var(--c-white);
}

.site-footer__links a:hover {
  color: var(--c-gold-bright);
}

.site-footer__contact p {
  margin-bottom: 0.5rem;
}

.site-footer__address {
  font-style: normal;
}

.site-footer__note {
  margin-top: 1rem;
  padding: 0.7rem;
  border: 1px solid var(--c-slate);
  color: var(--c-slate);
  font-size: 0.85rem;
}

.site-footer__meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--c-slate);
  color: var(--c-slate);
  font-size: 0.8rem;
}

@media (min-width: 768px) {
  .site-footer__meta {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.site-footer__copyright,
.site-footer__icp {
  margin: 0;
}

/* ========== 基础辅助 ========== */

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

.text-gold {
  color: var(--c-gold);
}

.text-gold-bright {
  color: var(--c-gold-bright);
}

.text-red {
  color: var(--c-red);
}