/* 凤凰体育注册 · 全站共享样式
   路径：/assets/site.css
   视觉逻辑：复古出版奶油底 × 凤凰火焰橙红 × Bento 信息板 */

/* ---------- Reset & Tokens ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-cream: #f5f0e8;
  --color-ink: #2b1e16;
  --color-flame: #d93a2b;
  --color-flame-dark: #b72617;
  --color-deep: #1c2a44;
  --color-gold: #d4a94f;
  --color-card: #fff8f0;
  --color-muted: #6b6258;
  --color-line: #e3d5c0;
  --grad-flame: linear-gradient(135deg, #d93a2b, #b72617);
  --font-display: "Roboto", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Roboto", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-accent: Impact, "Arial Narrow", "PingFang SC", sans-serif;
  --header-h: 76px;
  --container-w: 1200px;
  --radius-lg: 32px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 16px 34px rgba(43, 30, 22, .08);
}

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

body {
  min-height: 100vh;
  background: var(--color-cream);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

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

a:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 3px;
  border-radius: 4px;
}

ul[class],
ol[class] {
  list-style: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

button:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
  border-radius: 6px;
}

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

#main-content {
  outline: none;
}

.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---------- Skip Link ---------- */
.skip-link {
  position: fixed;
  top: -96px;
  left: 24px;
  z-index: 9999;
  background: var(--color-ink);
  color: var(--color-cream);
  font-weight: 700;
  font-size: .9rem;
  padding: 12px 22px;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: 0 8px 22px rgba(0, 0, 0, .2);
  transition: top .3s ease;
}

.skip-link:focus {
  top: 0;
}

.skip-link:focus-visible {
  outline-offset: 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  padding: 0 30px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .02em;
  white-space: nowrap;
  transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease, color .25s ease;
}

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

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

.btn--flame {
  background: var(--grad-flame);
  color: #fff;
  box-shadow: 0 10px 24px rgba(217, 58, 43, .34);
}

.btn--flame:hover {
  box-shadow: 0 14px 32px rgba(217, 58, 43, .44);
}

.btn--ink {
  background: var(--color-ink);
  color: var(--color-cream);
  box-shadow: 0 8px 20px rgba(43, 30, 22, .18);
}

.btn--ink:hover {
  background: #3b2c20;
}

.btn--outline {
  background: transparent;
  color: var(--color-ink);
  border: 2px solid var(--color-line);
}

.btn--outline:hover {
  border-color: var(--color-flame);
  color: var(--color-flame);
}

.btn--compact {
  height: 42px;
  padding-inline: 20px;
  font-size: .9rem;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color .35s ease, border-color .35s ease, box-shadow .35s ease;
}

.site-header.is-scrolled {
  background: rgba(245, 240, 232, .92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--color-line);
  box-shadow: 0 10px 30px rgba(43, 30, 22, .08);
}

.site-header__bar {
  display: flex;
  align-items: center;
  gap: 18px;
  width: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand__mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--grad-flame);
  box-shadow: 0 6px 16px rgba(217, 58, 43, .32);
}

.brand__mark::before {
  content: "";
  width: 20px;
  height: 20px;
  background: var(--color-cream);
  clip-path: polygon(50% 0, 100% 100%, 78% 100%, 50% 52%, 22% 100%, 0 100%);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand__text strong {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.04rem;
  letter-spacing: .05em;
  color: var(--color-ink);
  transition: color .3s ease;
}

.brand__text small {
  font-family: var(--font-accent);
  font-size: .58rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-top: 3px;
  transition: color .3s ease;
}

.site-nav {
  margin-inline: auto;
  display: flex;
  align-items: center;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px;
  background: rgba(255, 248, 240, .72);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 18px rgba(43, 30, 22, .04);
}

.site-nav__item {
  display: block;
}

.site-nav__item--cta {
  display: none;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  font-size: .94rem;
  font-weight: 500;
  color: var(--color-ink);
  white-space: nowrap;
  transition: background-color .25s ease, color .25s ease;
}

.site-nav__link:hover {
  background: var(--color-line);
}

.site-nav__link[aria-current="page"] {
  background: var(--color-ink);
  color: var(--color-cream);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-cta {
  display: inline-flex;
}

.nav-toggle {
  display: none;
  position: relative;
  width: 48px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-card);
  border: 1px solid var(--color-line);
  transition: background-color .3s ease, border-color .3s ease;
}

.nav-toggle:focus-visible {
  outline-offset: 0;
}

.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
  margin: 5px auto;
  transition: transform .3s ease, opacity .3s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) 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(-7px) rotate(-45deg);
}

/* ---------- Scroll Progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  z-index: 120;
  pointer-events: none;
}

.scroll-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--grad-flame);
  transform: scaleX(0);
  transform-origin: 0 50%;
  will-change: transform;
}

/* ---------- Dark Hero Header State ---------- */
@media (min-width: 1101px) {
  body.has-dark-hero .site-header:not(.is-scrolled) .site-nav__list {
    background: rgba(28, 42, 68, .34);
    border-color: rgba(245, 240, 232, .24);
  }

  body.has-dark-hero .site-header:not(.is-scrolled) .site-nav__link {
    color: var(--color-cream);
  }

  body.has-dark-hero .site-header:not(.is-scrolled) .site-nav__link:hover {
    background: rgba(245, 240, 232, .14);
  }

  body.has-dark-hero .site-header:not(.is-scrolled) .site-nav__link[aria-current="page"] {
    background: var(--color-cream);
    color: var(--color-ink);
  }
}

body.has-dark-hero .site-header:not(.is-scrolled) .brand__text strong {
  color: var(--color-cream);
}

body.has-dark-hero .site-header:not(.is-scrolled) .brand__text small {
  color: rgba(245, 240, 232, .6);
}

body.has-dark-hero .site-header:not(.is-scrolled) .nav-toggle {
  background: rgba(245, 240, 232, .14);
  border-color: rgba(245, 240, 232, .3);
}

body.has-dark-hero .site-header:not(.is-scrolled) .nav-toggle__bar {
  background: var(--color-cream);
}

/* ---------- Mobile Nav ---------- */
@media (max-width: 1100px) {
  .site-nav {
    position: fixed;
    top: calc(var(--header-h) + 12px);
    right: 12px;
    left: 12px;
    bottom: 12px;
    margin: 0;
    padding: 26px;
    align-items: stretch;
    background: var(--color-card);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 64px rgba(43, 30, 22, .2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: opacity .32s ease, transform .32s ease, visibility .32s;
  }

  .site-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    height: 100%;
    overflow-y: auto;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
  }

  .site-nav__link {
    height: 52px;
    padding: 0 16px;
    border-radius: var(--radius-md);
    font-size: 1.05rem;
    justify-content: flex-start;
  }

  .site-nav__link[aria-current="page"] {
    background: var(--grad-flame);
    color: #fff;
  }

  .site-nav__item--cta {
    display: block;
    margin-top: auto;
    padding-top: 18px;
  }

  .site-nav__item--cta .btn {
    width: 100%;
  }

  .site-header__actions .header-cta {
    display: none;
  }

  .nav-toggle {
    display: block;
  }
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: 110px;
  background: var(--color-ink);
  color: var(--color-cream);
  border-radius: 48px 48px 0 0;
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1.2fr 1fr .8fr;
  gap: 48px;
  padding: 72px 0 44px;
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
}

.brand--footer .brand__text strong {
  color: var(--color-cream);
}

.brand--footer .brand__text small {
  color: rgba(245, 240, 232, .56);
}

.site-footer__note {
  margin-top: 18px;
  max-width: 44ch;
  font-size: .92rem;
  line-height: 1.85;
  color: rgba(245, 240, 232, .62);
}

.site-footer__channels,
.site-footer__links {
  min-width: 0;
}

.site-footer__heading {
  margin-bottom: 20px;
  font-family: var(--font-accent);
  font-size: .78rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.contact-list li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(245, 240, 232, .12);
}

.contact-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.contact-list__label {
  flex-shrink: 0;
  width: 3.2em;
  padding-top: 4px;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--color-gold);
}

.contact-list__value {
  font-size: .92rem;
  color: rgba(245, 240, 232, .8);
  word-break: break-word;
}

.site-footer__links ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
}

.site-footer__links a {
  display: inline-flex;
  align-items: center;
  font-size: .92rem;
  color: rgba(245, 240, 232, .72);
  transition: color .2s ease;
}

.site-footer__links a::before {
  content: "";
  width: 5px;
  height: 5px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--color-flame);
  flex-shrink: 0;
}

.site-footer__links a:hover {
  color: var(--color-cream);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
  padding: 24px 0 36px;
  border-top: 1px solid rgba(245, 240, 232, .12);
  font-size: .82rem;
  color: rgba(245, 240, 232, .55);
}

.site-footer__bottom a {
  color: var(--color-gold);
}

.site-footer__bottom a:hover {
  color: var(--color-cream);
}

/* ---------- Section Typography ---------- */
.section {
  padding-block: 72px;
}

.section--tight {
  padding-block: 44px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-card);
  font-family: var(--font-accent);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--color-flame);
}

.section-title {
  margin-top: 18px;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 100;
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.section-title--light {
  color: var(--color-cream);
}

.section-lead {
  margin-top: 14px;
  max-width: 62ch;
  font-size: 1.05rem;
  color: var(--color-muted);
}

.metric {
  display: inline-block;
  font-family: var(--font-accent);
  font-size: 2.6rem;
  line-height: 1;
  color: var(--color-flame);
}

.metric--gold {
  color: var(--color-gold);
}

.metric--light {
  color: var(--color-cream);
}

/* ---------- Bento Grid ---------- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
  margin-top: 44px;
}

.bento-card {
  position: relative;
  min-height: 180px;
  padding: 28px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-card);
  transition: transform .3s ease, box-shadow .3s ease;
}

.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.bento-card--flame {
  border-color: transparent;
  background: var(--grad-flame);
  color: #fff;
  box-shadow: 0 14px 30px rgba(217, 58, 43, .3);
}

.bento-card--deep {
  border-color: transparent;
  background: var(--color-deep);
  color: var(--color-cream);
}

.bento-card--ink {
  border-color: transparent;
  background: var(--color-ink);
  color: var(--color-cream);
}

.bento-card--span-4 { grid-column: span 4; }
.bento-card--span-5 { grid-column: span 5; }
.bento-card--span-6 { grid-column: span 6; }
.bento-card--span-7 { grid-column: span 7; }
.bento-card--span-8 { grid-column: span 8; }
.bento-card--span-12 { grid-column: span 12; }

/* ---------- Media Container ---------- */
.media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #16233b, #243856);
}

.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x3 { aspect-ratio: 4 / 3; }
.media--1x1 { aspect-ratio: 1 / 1; }
.media--wide { aspect-ratio: 21 / 9; }

.media img,
.media picture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media--placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(217, 58, 43, .22), rgba(28, 42, 68, .06) 55%),
    radial-gradient(circle at 78% 20%, rgba(212, 169, 79, .22), transparent 40%),
    repeating-linear-gradient(-45deg, transparent 0 8px, rgba(245, 240, 232, .05) 8px 9px);
}

.media--placeholder::before {
  content: "PHOENIX SPORTS";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  padding: 14px 18px;
  font-family: var(--font-accent);
  font-size: .72rem;
  letter-spacing: .3em;
  color: rgba(245, 240, 232, .5);
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0;
  font-size: .86rem;
  color: var(--color-muted);
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumbs li + li::before {
  content: "/";
  color: var(--color-gold);
}

.breadcrumbs a {
  color: var(--color-muted);
  transition: color .2s ease;
}

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

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

/* ---------- Page Hero ---------- */
.page-hero {
  position: relative;
  padding-top: calc(var(--header-h) + 56px);
  padding-bottom: 64px;
}

.page-hero--full {
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.page-hero__title {
  font-family: var(--font-display);
  font-weight: 100;
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: .98;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.page-hero__lead {
  max-width: 56ch;
  margin-top: 22px;
  font-size: 1.1rem;
  color: var(--color-muted);
}

/* ---------- Reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s ease, transform .7s ease;
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .site-footer__top {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-top: 48px;
  }

  .bento-card--span-7,
  .bento-card--span-8 {
    grid-column: span 12;
  }

  .bento-card--span-4,
  .bento-card--span-5 {
    grid-column: span 6;
  }
}

@media (max-width: 640px) {
  .bento-card--span-4,
  .bento-card--span-5 {
    grid-column: span 12;
  }

  .site-footer {
    margin-top: 64px;
    border-radius: 28px 28px 0 0;
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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

  .site-nav {
    transition: none;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}