@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&family=Righteous&display=swap');

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

:root {
  --mint: #99ffcc;
  --green: #00ff41;
  --ink: #001e3c;
  --ink-2: #022c50;
  --ink-3: #073f6c;
  --leaf: #ddfff1;
  --dim: #a8d8c7;
  --line: rgba(153, 255, 204, .2);
  --line-2: rgba(153, 255, 204, .42);
  --display: "Righteous", "Poppins", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --text: "Poppins", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--text);
  font-size: 17px;
  line-height: 1.75;
  color: var(--leaf);
  background-color: var(--ink);
  background-image:
    radial-gradient(58vw 52vw at 10% -10%, rgba(0, 255, 65, .17), transparent 70%),
    radial-gradient(52vw 46vw at 94% 4%, rgba(153, 255, 204, .15), transparent 72%),
    radial-gradient(72vw 62vw at 46% 122%, rgba(0, 255, 65, .12), transparent 70%);
  background-attachment: fixed;
  padding-bottom: 104px;
  overflow-x: hidden;
}

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

a { color: var(--green); }

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

/* ---------- 底部固定胶囊导航 ---------- */
.dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  display: flex;
  justify-content: center;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  pointer-events: none;
}

.dockBar {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 4px;
  max-width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(0, 30, 60, .84);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  backdrop-filter: blur(16px) saturate(1.3);
  box-shadow: 0 14px 44px rgba(0, 0, 0, .55), inset 0 0 0 1px rgba(0, 255, 65, .07);
}

.dockSide {
  display: flex;
  align-items: center;
  gap: 3px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.dockSide a {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #cfffe8;
  font-size: 16px;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: background .25s ease, color .25s ease;
}

.dockSide a:hover,
.dockSide a:focus-visible,
.dockSide a.on {
  background: var(--mint);
  color: var(--ink);
}

.dockMark {
  padding: 8px 14px;
  color: var(--green);
  font-family: var(--display);
  font-size: 20px;
  letter-spacing: .1em;
  text-decoration: none;
  white-space: nowrap;
  text-shadow: 0 0 18px rgba(0, 255, 65, .45);
}

/* ---------- 骨架构图 ---------- */
.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 22px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 268px;
  gap: 52px;
  align-items: start;
}

.wrap { min-width: 0; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 20px;
  min-height: 45vh;
  padding: 40px 0 26px;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -34px;
  left: -12%;
  width: 76%;
  height: 128%;
  background: linear-gradient(118deg, rgba(0, 255, 65, .3), rgba(153, 255, 204, .06) 62%, transparent 82%);
  clip-path: polygon(0 0, 100% 7%, 88% 56%, 100% 100%, 0 93%);
  filter: blur(7px);
  animation: breathe 9s ease-in-out infinite;
}

.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1.14;
  letter-spacing: .012em;
  color: var(--mint);
  text-shadow: 0 0 26px rgba(0, 255, 65, .28);
}

.heroBand {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--green), var(--mint) 42%, rgba(153, 255, 204, 0));
  transform: skewY(-1.1deg);
}

.heroFig { margin: 0; }

.heroFig img {
  width: 100%;
  max-height: 330px;
  object-fit: cover;
  clip-path: polygon(0 9%, 100% 0, 100% 100%, 0 100%);
  filter: saturate(1.15) contrast(1.05);
}

@keyframes breathe {
  0%, 100% { transform: scale(1) translateY(0); opacity: .85; }
  50% { transform: scale(1.06) translateY(-6px); opacity: 1; }
}

/* ---------- 正文区 ---------- */
.body { padding-top: 34px; }

.bodyTitle {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(22px, 3vw, 31px);
  line-height: 1.25;
  letter-spacing: .015em;
  color: var(--mint);
}

.subtitle {
  margin: 10px 0 28px;
  max-width: 64ch;
  color: var(--dim);
  font-size: 17px;
  line-height: 1.7;
}

.prose {
  counter-reset: sec;
  max-width: 68ch;
  overflow-wrap: break-word;
}

.prose div {
  position: relative;
  padding: 30px 0;
  scroll-margin-top: 26px;
}

.prose div + div { border-top: 1px solid var(--line); }

.prose div:first-child { padding-top: 4px; }

.prose div > h2::before {
  counter-increment: sec;
  content: counter(sec, decimal-leading-zero);
  display: block;
  margin-bottom: 7px;
  font-family: var(--display);
  font-size: 14px;
  letter-spacing: .34em;
  color: var(--green);
}

.prose h2 {
  margin: 0 0 12px;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(22px, 3vw, 29px);
  line-height: 1.3;
  color: var(--mint);
}

.prose h3 {
  margin: 26px 0 10px;
  font-size: 20px;
  line-height: 1.45;
  color: #c7ffe4;
}

.prose p { margin: 0 0 18px; }

.prose p.subtitle,
.prose p.subhead,
.prose p.desc,
.prose p.lead { color: var(--dim); margin: 0 0 20px; }

.prose ul,
.prose ol { margin: 0 0 18px; padding-left: 22px; }

.prose li { margin-bottom: 9px; }

.prose strong { color: #ffffff; }

.prose a { color: var(--green); text-underline-offset: 3px; }

.prose blockquote {
  margin: 0 0 20px;
  padding: 14px 0 14px 18px;
  border-left: 3px solid var(--green);
  background: rgba(0, 255, 65, .07);
  color: var(--mint);
}

.prose blockquote p:last-child { margin-bottom: 0; }

.prose img {
  width: 100%;
  margin: 8px 0 20px;
  border-bottom: 3px solid var(--green);
}

.prose table {
  width: 100%;
  margin: 0 0 20px;
  border-collapse: collapse;
  font-size: 16px;
}

.prose th,
.prose td {
  padding: 10px 12px;
  border: 1px solid var(--line);
  text-align: left;
}

.prose th { background: rgba(0, 255, 65, .08); color: var(--mint); }

.prose pre {
  overflow-x: auto;
  padding: 14px;
  background: rgba(0, 0, 0, .35);
  border-left: 3px solid var(--line-2);
  font-size: 16px;
}

/* ---------- 右侧栏 ---------- */
.rail {
  position: sticky;
  top: 20px;
  margin-top: 40px;
  padding: 16px 16px 10px;
  border: 1px solid var(--line);
  border-bottom: 3px solid var(--green);
  border-radius: 0;
  background: linear-gradient(180deg, rgba(2, 44, 80, .92), rgba(1, 30, 60, .55));
}

.railTitle {
  margin: 0 0 10px;
  font-family: var(--display);
  font-weight: 400;
  font-size: 16px;
  letter-spacing: .34em;
  color: var(--green);
}

.railList {
  margin: 0;
  padding: 0;
  list-style: none;
}

.railList a {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(153, 255, 204, .16);
  color: #cfffe8;
  font-size: 16px;
  line-height: 1.35;
  text-decoration: none;
  transition: color .22s ease, padding-left .22s ease;
}

.railList li:last-child a { border-bottom: 0; }

.railList a:hover,
.railList a:focus-visible,
.railList a.on { color: var(--green); padding-left: 5px; }

.railTop { margin: 12px 0 4px; }

.railTop a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  color: var(--mint);
  font-size: 16px;
  text-decoration: none;
}

.railTop a:hover { background: var(--mint); color: var(--ink); }

/* ---------- 页脚 ---------- */
.foot {
  max-width: 1180px;
  margin: 74px auto 0;
  padding: 40px 22px 24px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr .9fr;
  gap: 26px 30px;
  border-top: 1px solid var(--line);
}

.foot > p {
  margin: 0;
  padding-bottom: 14px;
  border-bottom: 2px solid rgba(153, 255, 204, .18);
}

.fBrand {
  font-family: var(--display);
  font-size: 25px;
  letter-spacing: .1em;
  color: var(--green);
  text-shadow: 0 0 18px rgba(0, 255, 65, .35);
}

.fNav { display: flex; flex-direction: column; }

.fNav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  color: #cfffe8;
  font-size: 16px;
  line-height: 1.3;
  text-decoration: none;
}

.fNav a:hover { color: var(--mint); }

.fSub { display: flex; flex-direction: column; gap: 10px; }

.fInput {
  min-width: 0;
  height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: rgba(0, 30, 60, .65);
  color: var(--leaf);
  font-family: inherit;
  font-size: 16px;
}

.fInput::placeholder { color: rgba(168, 216, 199, .75); }

.fBtn {
  height: 44px;
  border: 0;
  border-radius: 999px;
  background: var(--green);
  color: var(--ink);
  font-family: var(--display);
  font-size: 16px;
  letter-spacing: .18em;
  cursor: pointer;
  transition: background .22s ease;
}

.fBtn:hover { background: var(--mint); }

.fTop a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  color: var(--mint);
  font-size: 16px;
  text-decoration: none;
  border-bottom: 1px solid var(--line-2);
}

.copyright {
  grid-column: 1 / 3;
  padding-top: 4px;
  color: var(--dim);
  font-size: 16px;
}

.fLinks {
  grid-column: 3 / 5;
  text-align: right;
  color: var(--dim);
  font-size: 16px;
}

.fLinks a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  margin-left: 14px;
  color: var(--dim);
  text-decoration: none;
}

.fLinks a:hover { color: var(--green); }

/* ---------- 滚动显现 ---------- */
html.js .rv {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .3, 1);
}

html.js .rv.in {
  opacity: 1;
  transform: none;
}

/* ---------- 断点 ---------- */
@media (max-width: 1020px) {
  .shell { grid-template-columns: minmax(0, 1fr) 236px; gap: 34px; }
  .foot { grid-template-columns: 1.4fr 1fr 1.4fr; }
  .fTop { grid-column: 1 / -1; border-bottom: 0; }
  .copyright { grid-column: 1 / 3; }
  .fLinks { grid-column: 3 / 4; }
}

@media (max-width: 820px) {
  body { padding-bottom: 196px; }

  .shell { grid-template-columns: minmax(0, 1fr); gap: 30px; padding: 0 18px; }

  .dockBar {
    flex-wrap: wrap;
    justify-content: center;
    max-width: 520px;
    width: 100%;
    border-radius: 24px;
    padding: 6px 8px 8px;
  }

  .dockSide { flex-wrap: wrap; justify-content: center; gap: 2px; }

  .dockMark {
    order: -1;
    flex: 0 0 100%;
    text-align: center;
    padding: 4px 0 8px;
    margin-bottom: 4px;
    border-bottom: 1px solid var(--line);
    font-size: 18px;
  }

  .dockSide a { padding: 8px 9px; }

  .rail {
    position: static;
    margin-top: 8px;
    padding: 14px 14px 6px;
  }

  .railList {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 16px;
  }

  .hero { min-height: 42vh; padding-top: 26px; }

  .heroFig img { max-height: 230px; }

  .foot {
    grid-template-columns: 1fr 1fr;
    gap: 22px;
    margin-top: 52px;
    padding: 32px 18px 20px;
  }

  .fSub { grid-column: 1 / -1; flex-direction: row; }
  .fInput { flex: 1 1 auto; }
  .fBtn { flex: 0 0 auto; padding: 0 26px; }
  .fTop { grid-column: 1 / -1; }

  .copyright { grid-column: 1 / -1; }
  .fLinks { grid-column: 1 / -1; text-align: left; }
  .fLinks a { margin: 0 16px 0 0; }
}

@media (max-width: 420px) {
  .dockSide a { padding: 8px 7px; }
  .prose h2 { font-size: 21px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .rv { opacity: 1; transform: none; transition: none; }
  .hero::before { animation: none; }
}

button[aria-expanded]{min-width:44px;min-height:44px}