@import url('https://fonts.googleapis.com/css2?family=Didact+Gothic&family=Poiret+One&display=swap');

/* ===== 基础重置 ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: 80px;
}

body {
  background-color: #172617;
  color: #e0ffe0;
  font-family: 'Didact Gothic', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: #69ff69;
  text-decoration: none;
  transition: color 0.25s, opacity 0.25s;
}

a:hover, a:focus {
  color: #00ffff;
  outline: none;
}

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

ul, ol {
  list-style: none;
}

/* ===== CSS 变量 ===== */
:root {
  --green: #69ff69;
  --cyan: #00ffff;
  --dark: #172617;
  --dark2: #0f1a0f;
  --dark3: #1e3a1e;
  --glass-bg: rgba(23, 38, 23, 0.55);
  --glass-border: rgba(105, 255, 105, 0.18);
  --glass-blur: blur(14px);
  --glow-green: 0 0 12px #69ff69, 0 0 28px rgba(105,255,105,0.4);
  --glow-cyan: 0 0 12px #00ffff, 0 0 28px rgba(0,255,255,0.4);
  --nav-width: 230px;
  --header-height: 64px;
  --radius: 10px;
  --transition: 0.3s ease;
}

/* ===== 页面布局骨架 ===== */
.layout-body {
  display: flex;
  min-height: 100vh;
  padding-top: var(--header-height);
}

/* ===== 顶部 Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: rgba(15, 26, 15, 0.82);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
}

.header-brand {
  flex-shrink: 0;
  width: 48px;
}

.brand-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 2px;
}

.nav-logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--green);
  box-shadow: var(--glow-green);
}

.nav-logo-text {
  font-family: 'Poiret One', sans-serif;
  font-size: 1.1rem;
  color: var(--green);
  text-shadow: var(--glow-green);
  letter-spacing: 0.05em;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 4px;
}

/* 导航：nav > p > a（结构抽签约束） */
.site-nav {
  flex: 1;
  display: flex;
  justify-content: center;
  overflow: hidden;
}

.site-nav p {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  align-items: center;
}

.site-nav p a {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  min-height: 44px;
  font-family: 'Poiret One', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: #b0ffb0;
  background: rgba(105, 255, 105, 0.07);
  border: 1px solid rgba(105, 255, 105, 0.25);
  border-radius: 999px;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.site-nav p a:hover,
.site-nav p a:focus {
  background: rgba(105, 255, 105, 0.22);
  color: var(--green);
  box-shadow: var(--glow-green);
}

.header-contact {
  flex-shrink: 0;
  text-align: right;
}

.contact-label {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  color: var(--cyan);
  letter-spacing: 0.08em;
  border: 1px solid rgba(0,255,255,0.35);
  border-radius: 999px;
  padding: 0 14px;
  min-height: 44px;
  cursor: default;
  transition: box-shadow var(--transition);
}

.contact-label:hover {
  box-shadow: var(--glow-cyan);
}

/* ===== 侧边 aside（左侧，内容区左边） ===== */
.site-aside {
  width: 180px;
  flex-shrink: 0;
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
  padding: 32px 12px 32px 20px;
  border-right: 1px solid var(--glass-border);
  background: rgba(15, 26, 15, 0.5);
}

.aside-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.aside-title {
  font-family: 'Poiret One', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.site-aside ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.site-aside ul li a {
  display: block;
  padding: 10px 10px;
  min-height: 44px;
  display: flex;
  align-items: center;
  font-size: 0.78rem;
  color: #99dd99;
  border-radius: 6px;
  border-left: 2px solid transparent;
  transition: all var(--transition);
  line-height: 1.4;
}

.site-aside ul li a:hover,
.site-aside ul li a:focus {
  color: var(--green);
  border-left-color: var(--green);
  background: rgba(105, 255, 105, 0.08);
  padding-left: 14px;
}

/* ===== 主内容区 ===== */
.site-main {
  flex: 1;
  min-width: 0;
}

/* ===== Hero ===== */
.hero-section {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    rgba(23, 38, 23, 0.92) 0%,
    rgba(23, 38, 23, 0.6) 45%,
    rgba(23, 38, 23, 0.82) 100%
  );
}

/* 无图时 hero 背景 */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 40%, rgba(0,255,255,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(105,255,105,0.10) 0%, transparent 55%),
    linear-gradient(160deg, #0f1a0f 0%, #172617 50%, #0d2020 100%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: right;
  padding: 0 6% 0 20px;
  max-width: 600px;
}

.hero-h1 {
  font-family: 'Poiret One', sans-serif;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  line-height: 1.15;
  letter-spacing: 0.04em;
  color: var(--green);
  text-shadow: var(--glow-green);
  margin-bottom: 20px;
}

.hero-desc {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: #c0f0c0;
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 13px 32px;
  min-height: 48px;
  font-family: 'Poiret One', sans-serif;
  font-size: 1rem;
  letter-spacing: 0.1em;
  color: #172617;
  background: linear-gradient(135deg, #69ff69 0%, #00ffff 100%);
  border-radius: 999px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(105,255,105,0.45), 0 0 48px rgba(0,255,255,0.2);
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
  font-weight: 600;
}

.hero-cta-btn:hover,
.hero-cta-btn:focus {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 8px 36px rgba(105,255,105,0.6), 0 0 64px rgba(0,255,255,0.3);
  filter: brightness(1.08);
  color: #0a1a0a;
}

/* ===== 主体内容容器（结构抽签：main > div.wrap > section > article） ===== */
.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 32px 80px;
}

/* ===== 正文 HTML 样式（page.content 内部） ===== */
.content-article h2 {
  font-family: 'Poiret One', sans-serif;
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  color: var(--green);
  text-shadow: 0 0 10px rgba(105,255,105,0.5);
  margin: 52px 0 18px;
  line-height: 1.25;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(105,255,105,0.2);
  letter-spacing: 0.04em;
}

.content-article h2 > span {
  display: inline;
}

.content-article h3 {
  font-family: 'Poiret One', sans-serif;
  font-size: clamp(1.1rem, 2.5vw, 1.45rem);
  color: var(--cyan);
  text-shadow: 0 0 8px rgba(0,255,255,0.45);
  margin: 36px 0 12px;
  letter-spacing: 0.03em;
}

.content-article h3 > span {
  display: inline;
}

.content-article p {
  font-size: 1rem;
  line-height: 1.8;
  color: #c8eec8;
  margin: 0 0 16px;
}

.content-article strong {
  color: var(--green);
  font-weight: 600;
}

.content-article em {
  color: var(--cyan);
  font-style: italic;
}

.content-article ul,
.content-article ol {
  margin: 12px 0 20px 0;
  padding-left: 0;
  list-style: none;
}

.content-article ul li,
.content-article ol li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  color: #c0e8c0;
  line-height: 1.7;
}

.content-article ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--green);
  font-size: 0.85em;
  top: 0.1em;
}

.content-article ol {
  counter-reset: ol-counter;
}

.content-article ol li {
  counter-increment: ol-counter;
}

.content-article ol li::before {
  content: counter(ol-counter, decimal-leading-zero);
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-size: 0.78em;
  font-family: 'Poiret One', sans-serif;
  top: 0.15em;
}

.content-article a {
  color: var(--cyan);
  border-bottom: 1px dashed rgba(0,255,255,0.4);
  transition: color var(--transition), border-color var(--transition);
}

.content-article a:hover {
  color: var(--green);
  border-bottom-color: rgba(105,255,105,0.6);
}

.content-article blockquote {
  margin: 24px 0;
  padding: 18px 22px;
  background: rgba(0,255,255,0.06);
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: #a0d8d0;
  font-style: italic;
}

.content-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.9rem;
}

.content-article th {
  background: rgba(105,255,105,0.12);
  color: var(--green);
  padding: 10px 14px;
  text-align: left;
  font-family: 'Poiret One', sans-serif;
  letter-spacing: 0.05em;
}

.content-article td {
  padding: 9px 14px;
  border-bottom: 1px solid rgba(105,255,105,0.1);
  color: #b8e0b8;
}

.content-article tr:hover td {
  background: rgba(105,255,105,0.04);
}

/* section 分隔（page.content 内的 section） */
.content-article section {
  margin-bottom: 48px;
  padding: 36px 32px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: 0 4px 32px rgba(0,0,0,0.35), inset 0 1px 0 rgba(105,255,105,0.08);
  transition: box-shadow 0.4s, border-color 0.4s;
}

.content-article section:hover {
  border-color: rgba(105,255,105,0.35);
  box-shadow: 0 8px 48px rgba(0,0,0,0.45), 0 0 24px rgba(105,255,105,0.08);
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--glass-border);
  background: rgba(10, 20, 10, 0.85);
}

.footer-cta-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding: 40px 40px;
  background: linear-gradient(135deg, rgba(105,255,105,0.07) 0%, rgba(0,255,255,0.05) 100%);
  border-bottom: 1px solid var(--glass-border);
}

.footer-cta-text {
  font-family: 'Poiret One', sans-serif;
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--green);
  letter-spacing: 0.06em;
  text-shadow: 0 0 8px rgba(105,255,105,0.35);
}

.footer-cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  min-height: 48px;
  font-family: 'Poiret One', sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  color: #172617;
  background: linear-gradient(135deg, #69ff69, #00ffff);
  border-radius: 999px;
  font-weight: 600;
  box-shadow: 0 2px 16px rgba(105,255,105,0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}

.footer-cta-btn:hover,
.footer-cta-btn:focus {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(105,255,105,0.6);
  color: #0a1a0a;
}

/* footer 底栏（footer 单行：logo + nav + copyright，footer直接子div） */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 20px 40px;
}

.footer-logo a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  min-width: 44px;
}

.footer-logo .nav-logo-img {
  width: 32px;
  height: 32px;
}

.footer-logo .nav-logo-text {
  font-size: 0.95rem;
  min-height: 44px;
}

/* footer > nav（结构抽签约束） */
.footer-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-nav a {
  display: inline-flex;
  align-items: center;
  font-size: 0.8rem;
  color: #88bb88;
  padding: 0 10px;
  min-height: 44px;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.footer-nav a:hover,
.footer-nav a:focus {
  color: var(--green);
  border-bottom-color: var(--green);
}

.footer-copy {
  font-size: 0.75rem;
  color: #557755;
  letter-spacing: 0.03em;
}

/* ===== Scroll Reveal 动效 ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
  .hero-cta-btn,
  .footer-cta-btn {
    transition: none;
  }
}

/* ===== 霓虹光晕装饰 ===== */
.site-main::before {
  content: '';
  position: fixed;
  top: 20%;
  right: -10%;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(0,255,255,0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

/* ===== Glow 动画 ===== */
@keyframes pulseGlow {
  0%, 100% { text-shadow: 0 0 10px rgba(105,255,105,0.5), 0 0 24px rgba(105,255,105,0.25); }
  50% { text-shadow: 0 0 20px rgba(105,255,105,0.9), 0 0 48px rgba(105,255,105,0.4); }
}

.hero-h1 {
  animation: pulseGlow 3.5s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .hero-h1 {
    animation: none;
  }
}

/* ===== 响应式断点 ===== */
@media (max-width: 900px) {
  .site-aside {
    display: none;
  }

  .site-nav p {
    gap: 4px;
  }

  .site-nav p a {
    padding: 8px 12px;
    font-size: 0.72rem;
    min-height: 44px;
  }

  .wrap {
    padding: 40px 20px 60px;
  }

  .content-article section {
    padding: 24px 18px;
  }

  .footer-cta-block {
    padding: 28px 20px;
  }

  .footer-bottom {
    padding: 16px 20px;
  }
}

@media (max-width: 600px) {
  :root {
    --header-height: 56px;
  }

  html {
    scroll-padding-top: 60px;
  }

  .site-header {
    padding: 0 12px;
    gap: 8px;
  }

  .header-brand {
    width: auto;
  }

  .brand-link {
    min-height: 44px;
    min-width: 44px;
  }

  .nav-logo-img {
    width: 36px;
    height: 36px;
  }

  .site-nav {
    display: none;
  }

  .header-contact {
    display: none;
  }

  /* 移动端汉堡菜单 */
  .mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(105,255,105,0.1);
    border: 1px solid rgba(105,255,105,0.3);
    border-radius: var(--radius);
    cursor: pointer;
    color: var(--green);
    font-size: 1.2rem;
    flex-shrink: 0;
  }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    z-index: 999;
    background: rgba(12, 22, 12, 0.97);
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    padding: 16px 20px;
  }

  .mobile-menu.open {
    display: block;
  }

  .mobile-menu a {
    display: flex;
    align-items: center;
    padding: 0 16px;
    min-height: 48px;
    color: #b0ffb0;
    font-family: 'Poiret One', sans-serif;
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(105,255,105,0.1);
    transition: color var(--transition), background var(--transition);
  }

  .mobile-menu a:last-child {
    border-bottom: none;
  }

  .mobile-menu a:hover,
  .mobile-menu a:focus {
    color: var(--green);
    background: rgba(105,255,105,0.08);
  }

  .hero-content {
    padding: 0 20px;
    text-align: right;
  }

  .hero-desc {
    font-size: 0.9rem;
  }

  .layout-body {
    flex-direction: column;
  }

  .content-article section {
    padding: 18px 14px;
    margin-bottom: 28px;
  }

  .footer-cta-block {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 16px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 16px;
  }

  .footer-nav {
    gap: 4px;
  }

  .footer-nav a {
    min-height: 48px;
    padding: 0 10px;
  }

  .footer-copy {
    padding: 8px 0;
    min-height: 40px;
    display: flex;
    align-items: center;
  }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: #0f1a0f;
}

::-webkit-scrollbar-thumb {
  background: rgba(105,255,105,0.3);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(105,255,105,0.55);
}

/* ===== 焦点可见性（无障碍） ===== */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

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