/* =========================================================
   幻影赛场 · 共享站点样式 /assets/site.css
   夜场墨绿基底 + 荧光青状态 + 暖橙赛前 + 冷紫价格
   ========================================================= */

:root {
  --ink-900: #041d18;
  --ink: #062a23;
  --ink-700: #0b3b31;
  --cyan: #2ff3d0;
  --cyan-soft: #cffcf2;
  --orange: #ff8a3d;
  --red: #e85b2a;
  --violet: #7c6cff;
  --cream: #f4efe2;
  --brown: #1b1712;
  --muted: #5f6b66;
  --line: #d8d0bf;
  --white: #ffffff;

  --shell: 1200px;
  --gutter: clamp(18px, 4vw, 40px);
  --header-h: 82px;
  --ease: cubic-bezier(.22, .68, .28, 1);

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono",
    Menlo, Consolas, "Liberation Mono", monospace;
}

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

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

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

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

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

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

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

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

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

/* ---------- 基础排版 ---------- */
body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: .01em;
  color: var(--white);
  background-color: var(--ink);
  background-image:
    radial-gradient(120% 60% at 85% -10%, rgba(47, 243, 208, .10), transparent 62%),
    linear-gradient(180deg, #062a23 0%, #041d18 100%);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

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

.panel--cream :focus-visible,
.panel--cream a:focus-visible {
  outline-color: var(--ink-700);
}

.display-title {
  font-size: clamp(2.3rem, 6vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: .06em;
  font-weight: 800;
}

.section-title {
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  line-height: 1.16;
  letter-spacing: .08em;
  font-weight: 800;
}

.eyebrow {
  display: block;
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: .75em;
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

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

.panel--cream .muted,
.panel--cream .muted a { color: var(--muted); }

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

.stack > * + * { margin-top: 1.25rem; }
.stack--loose > * + * { margin-top: clamp(1.6rem, 3vw, 2.75rem); }

.grid {
  display: grid;
  gap: clamp(20px, 3vw, 44px);
  grid-template-columns: minmax(0, 1fr);
}

.grid--split {
  grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
  align-items: start;
}

.grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* ---------- 切角面板 ---------- */
.panel {
  position: relative;
  background-color: var(--ink-700);
  color: var(--white);
  padding: clamp(22px, 3.4vw, 44px);
  clip-path: polygon(
    0 0,
    calc(100% - 26px) 0,
    100% 26px,
    100% 100%,
    26px 100%,
    0 calc(100% - 26px)
  );
}

.panel--deep { background-color: var(--ink-900); }

.panel--cream {
  background-color: var(--cream);
  color: var(--brown);
  background-image: linear-gradient(180deg, #f7f3e8 0%, #f4efe2 100%);
}

.panel--violet {
  background-color: var(--violet);
  color: var(--white);
  background-image: linear-gradient(150deg, #8d7fff 0%, #6a58f5 100%);
}

.panel--cream .panel--deep { background-color: var(--ink-700); }

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: .4em;
  padding: .26em .7em;
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .12em;
  line-height: 1.5;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.tag--cyan {
  color: var(--cyan);
  background: rgba(47, 243, 208, .10);
  border-color: rgba(47, 243, 208, .5);
}

.tag--orange {
  color: var(--orange);
  background: rgba(255, 138, 61, .12);
  border-color: rgba(255, 138, 61, .55);
}

.tag--violet {
  color: #edebff;
  background: rgba(124, 108, 255, .28);
  border-color: rgba(205, 199, 255, .7);
}

.panel--cream .tag--cyan {
  color: #0b3b31;
  background: rgba(47, 243, 208, .26);
  border-color: rgba(11, 59, 49, .35);
}

.panel--cream .tag--orange {
  color: #8a3a0d;
  background: rgba(255, 138, 61, .18);
  border-color: rgba(138, 58, 13, .35);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55em;
  padding: .82em 1.4em;
  font-size: .94rem;
  font-weight: 800;
  letter-spacing: .08em;
  line-height: 1.3;
  border: 1px solid transparent;
  border-radius: 2px;
  text-align: center;
  transition: background-color .18s var(--ease), color .18s var(--ease),
    border-color .18s var(--ease), transform .18s var(--ease);
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background-color: var(--orange);
  color: var(--brown);
  border-color: var(--orange);
}

.btn--primary:hover { background-color: #ffa15f; border-color: #ffa15f; }

.btn--ghost {
  color: var(--cyan);
  border-color: rgba(47, 243, 208, .55);
  background-color: rgba(47, 243, 208, .06);
}

.btn--ghost:hover {
  background-color: rgba(47, 243, 208, .16);
  color: var(--cyan-soft);
}

.btn--quiet {
  color: var(--white);
  border-color: rgba(255, 255, 255, .3);
  background-color: rgba(255, 255, 255, .04);
}

.btn--quiet:hover {
  border-color: var(--white);
  background-color: rgba(255, 255, 255, .1);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5em;
  font-size: .78rem;
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .55);
  margin-bottom: 1.6rem;
}

.breadcrumb li { display: flex; align-items: center; gap: .5em; }

.breadcrumb li + li::before {
  content: "/";
  color: rgba(255, 255, 255, .3);
}

.breadcrumb a { color: var(--cyan-soft); }
.breadcrumb a:hover { color: var(--cyan); }

.panel--cream .breadcrumb { color: var(--muted); }
.panel--cream .breadcrumb a { color: var(--ink-700); }
.panel--cream .breadcrumb li + li::before { color: var(--line); }

/* ---------- 图片容器 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background-color: var(--ink-700);
  background-image:
    repeating-linear-gradient(135deg, rgba(47, 243, 208, .13) 0 1px, transparent 1px 16px),
    radial-gradient(120% 90% at 15% 0%, rgba(47, 243, 208, .22), transparent 60%),
    linear-gradient(160deg, #0b3b31 0%, #041d18 100%);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

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

.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }

.media-frame__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 9px 14px;
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--cyan-soft);
  background: rgba(4, 29, 24, .78);
}

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: absolute;
  left: 12px;
  top: -100px;
  z-index: 200;
  padding: 10px 18px;
  font-size: .85rem;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--brown);
  background: var(--cyan);
  transition: top .18s var(--ease);
}

.skip-link:focus {
  top: 12px;
  outline: 2px solid var(--brown);
  outline-offset: 2px;
}

/* =========================================================
   头部
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background-color: var(--ink-700);
  background-image: linear-gradient(180deg, #0d4438 0%, #062a23 100%);
  color: var(--white);
  border-bottom: 1px solid rgba(47, 243, 208, .26);
  box-shadow: 0 14px 34px rgba(2, 16, 13, .45);
}

.header-inner {
  width: min(100% - (var(--gutter) * 2), var(--shell));
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(16px, 3vw, 44px);
  padding-block: 12px;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

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

.brand-mark {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, var(--cyan) 0%, #14b79b 100%);
  clip-path: polygon(0 0, 100% 0, 100% 66%, 66% 100%, 0 100%);
}

.brand-slash {
  width: 17px;
  height: 16px;
  background-color: var(--ink);
  clip-path: polygon(0 100%, 40% 100%, 100% 0, 60% 0);
}

.brand-text { display: block; }

.brand-name {
  display: block;
  font-size: 1.06rem;
  font-weight: 800;
  letter-spacing: .16em;
  line-height: 1.2;
  color: var(--white);
}

.brand-sub {
  display: block;
  margin-top: 3px;
  font-size: .66rem;
  font-weight: 600;
  letter-spacing: .3em;
  color: rgba(255, 255, 255, .55);
}

.brand--footer .brand-name { font-size: 1.1rem; }
.brand--footer .brand-mark { width: 40px; height: 40px; }

.status-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .74rem;
  letter-spacing: .14em;
  color: rgba(255, 255, 255, .62);
  white-space: nowrap;
}

.status-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background-color: var(--cyan);
  animation: statusPulse 2.2s var(--ease) 1;
}

@keyframes statusPulse {
  0%   { box-shadow: 0 0 0 0 rgba(47, 243, 208, .55); }
  70%  { box-shadow: 0 0 0 9px rgba(47, 243, 208, 0); }
  100% { box-shadow: 0 0 0 0 rgba(47, 243, 208, 0); }
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .16em;
  color: var(--white);
  border: 1px solid rgba(47, 243, 208, .5);
  border-radius: 2px;
}

.nav-toggle:hover { background-color: rgba(47, 243, 208, .12); }

.nav-toggle-bars {
  display: grid;
  gap: 4px;
  width: 18px;
}

.nav-toggle-bars span {
  display: block;
  height: 2px;
  background-color: var(--cyan);
  transition: transform .18s var(--ease), opacity .18s var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1) {
  transform: translateY(6px) 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(-6px) rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  min-width: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.5vw, 22px);
}

.nav-link {
  display: inline-block;
  padding: 8px 2px;
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .78);
  border-bottom: 2px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.nav-link:hover {
  color: var(--white);
  border-bottom-color: rgba(47, 243, 208, .55);
}

.nav-link[aria-current="page"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  font-size: .84rem;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--brown);
  background-color: var(--orange);
  border-radius: 2px;
  white-space: nowrap;
  transition: background-color .18s var(--ease), transform .18s var(--ease);
}

.nav-cta:hover {
  background-color: #ffa15f;
  transform: translateY(-1px);
}

.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 3px;
  transform: scaleX(var(--scroll, 0));
  transform-origin: left center;
  background-image: linear-gradient(90deg, var(--cyan) 0%, var(--orange) 100%);
  pointer-events: none;
}

/* =========================================================
   页脚
   ========================================================= */
.site-footer {
  margin-top: clamp(48px, 7vw, 96px);
  background-color: var(--ink-900);
  color: rgba(255, 255, 255, .82);
  border-top: 1px solid rgba(47, 243, 208, .22);
}

.footer-pricing-bar {
  background-color: var(--violet);
  background-image: linear-gradient(120deg, #8d7fff 0%, #6a58f5 100%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 12px));
}

.pricing-bar-link {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 26px);
  width: min(100% - (var(--gutter) * 2), var(--shell));
  margin-inline: auto;
  padding-block: 16px;
  color: var(--white);
}

.pricing-bar-label {
  font-size: .98rem;
  font-weight: 800;
  letter-spacing: .12em;
  white-space: nowrap;
}

.pricing-bar-note {
  font-size: .78rem;
  letter-spacing: .08em;
  color: rgba(255, 255, 255, .8);
}

.pricing-bar-arrow {
  margin-left: auto;
  font-size: 1.05rem;
  line-height: 1;
  transition: transform .18s var(--ease);
}

.pricing-bar-link:hover .pricing-bar-arrow { transform: translateX(6px); }
.pricing-bar-link:hover .pricing-bar-label { text-decoration: underline; text-underline-offset: 4px; }

.footer-inner {
  width: min(100% - (var(--gutter) * 2), var(--shell));
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: clamp(28px, 4vw, 64px);
  padding-block: clamp(34px, 5vw, 62px) clamp(22px, 3vw, 38px);
}

.footer-brand { min-width: 0; }

.footer-refresh {
  margin-top: 20px;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-size: .9rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, .72);
}

.footer-contact {
  margin-top: 16px;
  font-size: .84rem;
  line-height: 1.95;
  letter-spacing: .02em;
  color: rgba(255, 255, 255, .58);
  word-break: break-word;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.6vw, 34px);
}

.footer-col { min-width: 0; }

.footer-col-title {
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .2em;
  color: var(--cyan);
  margin-bottom: 14px;
}

.footer-links li + li { margin-top: 10px; }

.footer-links a {
  display: inline-block;
  font-size: .92rem;
  letter-spacing: .05em;
  color: rgba(255, 255, 255, .78);
  border-bottom: 1px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.footer-links a:hover {
  color: var(--white);
  border-bottom-color: var(--cyan);
}

.footer-legal {
  width: min(100% - (var(--gutter) * 2), var(--shell));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding-block: 20px 26px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: .78rem;
  letter-spacing: .06em;
  color: rgba(255, 255, 255, .5);
}

.footer-address { min-width: 0; }
.footer-icp { white-space: nowrap; }

/* =========================================================
   动效协议
   ========================================================= */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .24s var(--ease), transform .24s var(--ease);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1080px) {
  .nav-list { gap: 10px; }
  .nav-link { font-size: .83rem; letter-spacing: .04em; }
  .nav-cta { font-size: .8rem; padding: 9px 12px; }
}

@media (max-width: 1024px) {
  .status-line { display: none; }
  .footer-inner { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 960px) {
  .grid--split { grid-template-columns: minmax(0, 1fr); }
  .grid--three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 920px) {
  :root { --header-h: 70px; }

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

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    padding: 12px var(--gutter) 26px;
    background-color: var(--ink-700);
    background-image: linear-gradient(180deg, #0b3b31 0%, #062a23 100%);
    border-bottom: 1px solid rgba(47, 243, 208, .28);
    box-shadow: 0 26px 50px rgba(0, 0, 0, .5);
    max-height: calc(100vh - var(--header-h) - 12px);
    overflow-y: auto;
  }

  .site-nav[data-open] { display: flex; }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-list li + li { border-top: 1px solid rgba(255, 255, 255, .08); }

  .nav-link {
    display: block;
    padding: 14px 12px;
    font-size: 1rem;
    letter-spacing: .12em;
    border-bottom: 0;
    border-left: 2px solid transparent;
  }

  .nav-link:hover {
    background-color: rgba(47, 243, 208, .08);
    border-bottom-color: transparent;
    border-left-color: rgba(47, 243, 208, .5);
  }

  .nav-link[aria-current="page"] {
    border-bottom-color: transparent;
    border-left-color: var(--cyan);
    background-color: rgba(47, 243, 208, .1);
  }

  .nav-cta {
    margin-top: 6px;
    padding: 14px;
    font-size: .95rem;
    letter-spacing: .14em;
  }

  .footer-legal { justify-content: flex-start; }
  .footer-icp { white-space: normal; }
}

@media (max-width: 720px) {
  .footer-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--three { grid-template-columns: minmax(0, 1fr); }

  .pricing-bar-note { display: none; }

  .pricing-bar-link {
    flex-wrap: nowrap;
    gap: 10px;
    padding-block: 14px;
  }

  .pricing-bar-label { font-size: .9rem; letter-spacing: .08em; }
}

@media (max-width: 520px) {
  body { font-size: 16px; }

  .brand-name { font-size: .98rem; letter-spacing: .12em; }
  .brand-sub { letter-spacing: .22em; }
  .brand-mark { width: 32px; height: 32px; }

  .footer-columns { grid-template-columns: minmax(0, 1fr); }
  .footer-legal { font-size: .74rem; }
}

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

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

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

  .btn:hover,
  .nav-cta:hover,
  .pricing-bar-link:hover .pricing-bar-arrow {
    transform: none;
  }
}