@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&display=swap');

/* ── 基础变量 ── */
:root {
  --c-primary: #99ffcc;
  --c-accent: #00ff41;
  --c-dark: #001e3c;
  --c-dark2: #002a55;
  --c-glass: rgba(0,30,60,0.72);
  --c-glass-border: rgba(153,255,204,0.18);
  --c-text: #d6fff0;
  --c-text-muted: #7ecfaa;
  --c-white: #f0fff8;
  --radius: 0px;
  --nav-h: 100px;
  --max-w: 1180px;
  --font: 'DM Sans', system-ui, -apple-system, sans-serif;
}

/* ── 重置 ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 17px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--c-dark);
  color: var(--c-text);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--c-accent); }
ul, ol { list-style: none; }

/* ── 有机背景画布 ── */
.bio-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
#bioCanvas {
  width: 100%;
  height: 100%;
  opacity: 0.32;
}

/* ── 站点外层 ── */
.site-wrapper {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

/* ── 顶部导航（两行） ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0,20,45,0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--c-glass-border);
}

.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 2rem;
  border-bottom: 1px solid rgba(153,255,204,0.08);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: .6rem;
  color: var(--c-white);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: .02em;
}
.brand-link:hover { color: var(--c-accent); }
.brand-logo { width: 36px; height: 36px; object-fit: contain; }
.brand-name { white-space: nowrap; }

.contact-entry {
  display: inline-flex;
  align-items: center;
  padding: .45rem 1.1rem;
  border: 1px solid var(--c-accent);
  color: var(--c-accent);
  font-size: .88rem;
  font-weight: 500;
  letter-spacing: .04em;
  transition: background .2s, color .2s;
  min-height: 40px;
}
.contact-entry:hover, .contact-active {
  background: var(--c-accent);
  color: var(--c-dark);
}

/* 菜单行 */
.nav-row {
  padding: .5rem 2rem;
  overflow-x: auto;
}
.main-nav ol {
  display: flex;
  flex-wrap: nowrap;
  gap: .4rem;
}
.main-nav ol li a {
  display: inline-flex;
  align-items: center;
  padding: .42rem .9rem;
  background: rgba(153,255,204,0.07);
  border: 1px solid var(--c-glass-border);
  border-radius: 999px;
  font-size: .84rem;
  font-weight: 500;
  color: var(--c-text);
  white-space: nowrap;
  transition: background .2s, color .2s, border-color .2s;
  min-height: 40px;
}
.main-nav ol li a:hover {
  background: var(--c-accent);
  color: var(--c-dark);
  border-color: var(--c-accent);
}

/* ── Hero 首页 ── */
.hero {
  min-height: 45vh;
  display: flex;
  align-items: center;
  padding: 4rem 2rem 3rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 80% 50%, rgba(0,255,65,.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 30%, rgba(153,255,204,.06) 0%, transparent 60%);
  pointer-events: none;
}

/* 点阵底纹 */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(153,255,204,.18) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  opacity: .5;
}

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2.5rem;
  position: relative;
  z-index: 1;
}

.hero-icon-wrap {
  flex-shrink: 0;
  order: 1;
}
.hero-icon {
  width: 100px;
  height: 100px;
  filter: drop-shadow(0 0 16px rgba(0,255,65,.55));
}

.hero-text {
  text-align: right;
  order: 2;
  max-width: 560px;
}
.hero-h1 {
  font-size: clamp(1.55rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--c-white);
  margin-bottom: .7rem;
}
.hero-lead {
  font-size: 1.05rem;
  color: var(--c-text-muted);
  margin-bottom: 1.4rem;
  line-height: 1.6;
}

/* 呼吸动画 */
@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.06); opacity: .85; }
}
.pulse {
  animation: breathe 3.8s ease-in-out infinite;
}

/* ── 内页 Hero ── */
.inner-hero {
  padding: 3rem 2rem 2.5rem;
  position: relative;
  border-bottom: 1px solid var(--c-glass-border);
  overflow: hidden;
}
.inner-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(153,255,204,.13) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  opacity: .4;
}
.inner-hero-text {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--c-accent);
  text-transform: uppercase;
  margin-bottom: .6rem;
  padding: .2rem .7rem;
  border: 1px solid rgba(0,255,65,.3);
  border-radius: 999px;
}
.inner-hero h1 {
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.25;
  margin-bottom: .6rem;
}
.inner-hero .lead {
  font-size: 1rem;
  color: var(--c-text-muted);
  max-width: 640px;
}

/* about dna 装饰 */
.about-hero { display: flex; align-items: center; gap: 2rem; }
.about-dna { flex-shrink: 0; opacity: .5; }
.about-dna svg { width: 48px; height: 96px; }

/* 脉冲环装饰 */
.pulse-ring {
  position: absolute;
  right: 10%;
  top: 50%;
  transform: translateY(-50%);
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 1.5px solid rgba(0,255,65,.25);
  animation: ringPulse 3s ease-in-out infinite;
  pointer-events: none;
}
@keyframes ringPulse {
  0%, 100% { transform: translateY(-50%) scale(1); opacity: .5; }
  50% { transform: translateY(-50%) scale(1.12); opacity: 1; }
}

/* ── 内容布局（侧边栏+主内容） ── */
.content-layout {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem 2rem;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* aside 在左侧 */
.content-aside {
  position: sticky;
  top: calc(var(--nav-h) + 1rem);
  background: var(--c-glass);
  border: 1px solid var(--c-glass-border);
  backdrop-filter: blur(10px);
  padding: 1.4rem 1.2rem;
}
.content-aside h2 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--c-accent);
  margin-bottom: .3rem;
  letter-spacing: .04em;
}
.content-aside h3 {
  font-size: .85rem;
  font-weight: 700;
  color: var(--c-primary);
  margin: 1.2rem 0 .4rem;
  letter-spacing: .03em;
}
.content-aside p.subtitle {
  font-size: .8rem;
  color: var(--c-text-muted);
  margin-bottom: .8rem;
}

.aside-links {
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.aside-links li a {
  display: block;
  padding: .38rem .6rem;
  font-size: .85rem;
  color: var(--c-text);
  border-left: 2px solid transparent;
  transition: border-color .2s, color .2s, background .2s;
  min-height: 40px;
  line-height: 1.4;
  display: flex;
  align-items: center;
}
.aside-links li a:hover {
  border-left-color: var(--c-accent);
  color: var(--c-accent);
  background: rgba(0,255,65,.05);
}
.aside-links li small {
  display: block;
  font-size: .75rem;
  color: var(--c-text-muted);
  padding-left: .6rem;
  padding-bottom: .3rem;
}
.aside-nav-links { margin-top: 1rem; }
.aside-nav-links ul { display: flex; flex-direction: column; gap: .3rem; }
.aside-nav-links ul li a {
  font-size: .82rem;
  color: var(--c-text-muted);
  padding: .3rem .5rem;
  min-height: 36px;
  display: flex;
  align-items: center;
}
.aside-nav-links ul li a:hover { color: var(--c-accent); }

/* 首页 aside */
.home-aside {
  max-width: var(--max-w);
  margin: 0 auto 2rem;
  padding: 1.5rem 2rem;
  background: var(--c-glass);
  border: 1px solid var(--c-glass-border);
  backdrop-filter: blur(10px);
}
.home-aside h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-accent);
  margin-bottom: .3rem;
}
.home-aside p.subtitle { font-size: .88rem; color: var(--c-text-muted); margin-bottom: .8rem; }
.home-aside .aside-links { flex-direction: row; flex-wrap: wrap; gap: .4rem; }
.home-aside .aside-links li a {
  border-left: none;
  border: 1px solid var(--c-glass-border);
  padding: .4rem .9rem;
  border-radius: 999px;
  font-size: .84rem;
  min-height: 40px;
}

/* ── main 容器结构 ── */
.content-main { min-width: 0; }
#main { width: 100%; }
.wrap { width: 100%; }
.content-section { width: 100%; }
div.page-content {
  background: var(--c-glass);
  border: 1px solid var(--c-glass-border);
  backdrop-filter: blur(10px);
  padding: 2rem 2rem;
}

/* ── 正文排版 ── */
.page-content h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-primary);
  margin: 1.6rem 0 .35rem;
  padding-bottom: .35rem;
  border-bottom: 1px solid var(--c-glass-border);
}
.page-content h2:first-child { margin-top: 0; }
.page-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-accent);
  margin: 1.2rem 0 .3rem;
}
.page-content p {
  margin-bottom: .9rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-text);
}
.page-content ul, .page-content ol {
  list-style: disc;
  padding-left: 1.4rem;
  margin-bottom: .9rem;
}
.page-content ol { list-style: decimal; }
.page-content li { margin-bottom: .35rem; line-height: 1.65; }
.page-content a { color: var(--c-primary); text-decoration: underline; text-underline-offset: 3px; }
.page-content a:hover { color: var(--c-accent); }
.page-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
  font-size: .92rem;
}
.page-content th {
  background: rgba(0,255,65,.08);
  color: var(--c-accent);
  padding: .5rem .8rem;
  text-align: left;
  border: 1px solid var(--c-glass-border);
  font-weight: 600;
}
.page-content td {
  padding: .5rem .8rem;
  border: 1px solid var(--c-glass-border);
  color: var(--c-text);
}
.page-content tr:nth-child(even) td { background: rgba(153,255,204,.03); }

/* 副标题 */
.subtitle, p.subtitle {
  font-size: .92rem;
  color: var(--c-text-muted);
  margin-bottom: 1rem;
  line-height: 1.55;
}
.page-content > h2 + p.subtitle,
.page-content > h2 + .subtitle {
  margin-top: -.2rem;
}

/* 日期行 */
.date-line {
  font-size: .82rem;
  color: var(--c-text-muted);
  margin-top: 1.2rem;
  padding-top: .8rem;
  border-top: 1px solid var(--c-glass-border);
}
.date-line time { font-variant-numeric: tabular-nums; }

/* ── 功能卡片区 ── */
.feat-section, .children-section {
  padding: 2.5rem 2rem;
  border-top: 1px solid var(--c-glass-border);
}
.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.section-inner h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: .3rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.2rem;
  list-style: none;
  padding: 0;
}
.card-item {
  background: var(--c-glass);
  border: 1px solid var(--c-glass-border);
  backdrop-filter: blur(10px);
  transition: border-color .25s, transform .25s;
}
.card-item:hover {
  border-color: var(--c-accent);
  transform: translateY(-2px);
}
.card-link {
  display: block;
  padding: 1.2rem 1.1rem;
  color: var(--c-text);
  height: 100%;
}
.card-title {
  display: block;
  font-weight: 600;
  font-size: .96rem;
  color: var(--c-white);
  margin-bottom: .4rem;
  line-height: 1.4;
}
.card-desc {
  display: block;
  font-size: .8rem;
  color: var(--c-text-muted);
  line-height: 1.5;
  margin-bottom: .5rem;
}
.card-link time {
  display: block;
  font-size: .75rem;
  color: rgba(153,255,204,.45);
}

/* 子页列表 */
.sub-list {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  margin-top: 1rem;
  list-style: none;
  padding: 0;
}
.sub-item {
  background: rgba(0,30,60,.5);
  border: 1px solid var(--c-glass-border);
  padding: .8rem 1rem;
  transition: border-color .2s;
}
.sub-item:hover { border-color: var(--c-accent); }
.sub-item a {
  display: block;
  font-weight: 500;
  color: var(--c-primary);
  margin-bottom: .2rem;
  min-height: 24px;
}
.sub-item small {
  display: block;
  font-size: .82rem;
  color: var(--c-text-muted);
}

/* ── 按钮 ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .65rem 1.6rem;
  background: var(--c-accent);
  color: var(--c-dark);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .03em;
  border: none;
  cursor: pointer;
  transition: background .2s, transform .2s, box-shadow .2s;
  min-height: 44px;
  box-shadow: 0 0 18px rgba(0,255,65,.22);
}
.btn-primary:hover {
  background: var(--c-primary);
  color: var(--c-dark);
  transform: translateY(-1px);
  box-shadow: 0 0 28px rgba(0,255,65,.4);
}

/* ── 定价页 ── */
.pricing-section div { }

/* ── FAQ 页 ── */
.faq-section .page-content h3 {
  position: relative;
  padding-left: 1rem;
}
.faq-section .page-content h3::before {
  content: '问';
  position: absolute;
  left: -1rem;
  top: 0;
  font-size: .7rem;
  font-weight: 700;
  color: var(--c-accent);
  background: rgba(0,255,65,.12);
  padding: .1rem .3rem;
  border-radius: 2px;
}

/* ── 联系表单 ── */
.contact-form {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.form-group label {
  font-size: .88rem;
  font-weight: 600;
  color: var(--c-primary);
}
.form-group input,
.form-group textarea {
  background: rgba(0,30,60,.7);
  border: 1px solid var(--c-glass-border);
  color: var(--c-text);
  font-family: var(--font);
  font-size: .95rem;
  padding: .6rem .9rem;
  width: 100%;
  outline: none;
  transition: border-color .2s;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--c-accent);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--c-text-muted);
}

/* ── 联系信息 ── */
.contact-info { margin-top: .2rem; }

/* ── 页脚 ── */
.site-footer {
  background: rgba(0,15,35,.95);
  border-top: 1px solid var(--c-glass-border);
  margin-top: 2rem;
}
.footer-cta {
  text-align: center;
  padding: 3rem 2rem 2.5rem;
  border-bottom: 1px solid var(--c-glass-border);
  position: relative;
  overflow: hidden;
}
.footer-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(0,255,65,.06) 0%, transparent 70%);
  pointer-events: none;
}
.cta-text {
  font-size: 1.1rem;
  color: var(--c-text);
  margin-bottom: 1.2rem;
  font-weight: 500;
}
.footer-cols {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 2.5rem 2rem;
}
.footer-col h3 {
  font-size: .9rem;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: .8rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  font-size: .8rem;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  list-style: none;
}
.footer-col ul li a {
  font-size: .88rem;
  color: var(--c-text-muted);
  transition: color .2s;
  display: inline-flex;
  align-items: center;
  min-height: 32px;
}
.footer-col ul li a:hover { color: var(--c-accent); }
.footer-col address { font-style: normal; }

.footer-bottom {
  text-align: center;
  padding: 1.2rem 2rem;
  border-top: 1px solid var(--c-glass-border);
  font-size: .82rem;
  color: rgba(153,255,204,.35);
}

/* ── Scroll Reveal 动效 ── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .5s ease, transform .5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── 移动端 ── */
@media (max-width: 768px) {
  html { font-size: 16px; }
  .brand-row { padding: .6rem 1rem; }
  .nav-row { padding: .4rem 1rem; }
  .main-nav ol { gap: .3rem; }
  .main-nav ol li a { font-size: .78rem; padding: .38rem .7rem; }

  .hero { padding: 2.5rem 1rem 2rem; min-height: 40vh; }
  .hero-inner { flex-direction: column; align-items: flex-end; gap: 1.2rem; }
  .hero-text { max-width: 100%; }
  .hero-icon { width: 72px; height: 72px; }

  .inner-hero { padding: 2rem 1rem 1.8rem; }
  .about-hero { flex-direction: column; }
  .about-dna { display: none; }

  .content-layout {
    grid-template-columns: 1fr;
    padding: 1.5rem 1rem;
    gap: 1.5rem;
  }
  .content-aside {
    position: static;
    order: 2;
  }
  .content-main { order: 1; }

  .home-aside { padding: 1.2rem 1rem; }
  .home-aside .aside-links { gap: .3rem; }

  .feat-section, .children-section { padding: 1.5rem 1rem; }
  .card-grid { grid-template-columns: 1fr; }

  .footer-cols { grid-template-columns: repeat(2, 1fr); padding: 1.5rem 1rem; gap: 1.2rem; }
  .footer-cta { padding: 2rem 1rem; }
  div.page-content { padding: 1.2rem 1rem; }

  .pulse-ring { display: none; }
}

@media (max-width: 480px) {
  .footer-cols { grid-template-columns: 1fr; }
  .hero-text { text-align: right; }
}

/* ── prefers-reduced-motion ── */
@media (prefers-reduced-motion: reduce) {
  .pulse, .pulse-ring { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .card-item, .btn-primary { transition: none; }
}