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

/* ── 全局变量 ── */
:root {
  --green: #87ff71;
  --yellow: #ffce5c;
  --dark: #192617;
  --dark80: rgba(25,38,23,0.8);
  --white: #ffffff;
  --off-white: #f7f9f4;
  --card-radius: 4px;
  --font: 'DM Sans', system-ui, -apple-system, sans-serif;
  --nav-h: 64px;
  --announce-h: 36px;
  --header-total: calc(var(--nav-h) + var(--announce-h));
  --max-w: 1200px;
  --gap: 24px;
}

/* ── 重置 ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font);
  background: var(--off-white);
  color: var(--dark);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }

/* ── Memphis 背景装饰 ── */
.memphis-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.shape {
  position: absolute;
  display: block;
}
.shape-tri1 {
  width: 0; height: 0;
  border-left: 60px solid transparent;
  border-right: 60px solid transparent;
  border-bottom: 104px solid var(--green);
  opacity: 0.18;
  top: 8%;
  left: -30px;
  transform: rotate(15deg);
}
.shape-circle1 {
  width: 180px; height: 180px;
  border-radius: 50%;
  background: var(--yellow);
  opacity: 0.13;
  top: 20%;
  right: -60px;
}
.shape-squiggle1 {
  width: 120px; height: 40px;
  border: 5px solid var(--green);
  border-radius: 50%;
  opacity: 0.25;
  bottom: 30%;
  left: 5%;
  transform: rotate(-20deg) scaleX(2);
}
.shape-dot-grid {
  width: 300px; height: 300px;
  background-image: radial-gradient(circle, var(--dark) 1.5px, transparent 1.5px);
  background-size: 18px 18px;
  opacity: 0.07;
  bottom: 10%;
  right: 3%;
}
.shape-tri2 {
  width: 0; height: 0;
  border-left: 40px solid transparent;
  border-right: 40px solid transparent;
  border-top: 70px solid var(--yellow);
  opacity: 0.2;
  top: 60%;
  left: 40%;
  transform: rotate(-10deg);
}
.shape-rect1 {
  width: 80px; height: 80px;
  background: var(--green);
  opacity: 0.1;
  bottom: 15%;
  left: 30%;
  transform: rotate(30deg);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

/* ── 公告条 ── */
.header-announce {
  height: var(--announce-h);
  background: var(--dark);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 3px dashed var(--green);
  position: relative;
  z-index: 100;
}

/* ── 顶部导航 ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--off-white);
  border-bottom: 3px solid var(--dark);
}
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  height: var(--nav-h);
  padding: 0 var(--gap);
  display: flex;
  align-items: center;
  gap: var(--gap);
}
.brand-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  background: var(--green);
  border: 3px solid var(--dark);
  border-radius: 50%;
  overflow: hidden;
  transition: transform 0.2s;
}
.brand-icon:hover { transform: rotate(-8deg) scale(1.08); }
.site-logo-mark { width: 36px; height: 36px; object-fit: contain; }
.logo-text-icon {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1;
}

/* 药丸胶囊导航 */
.main-nav {
  flex: 1;
  overflow: hidden;
}
.main-nav p {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 2px;
}
.main-nav p::-webkit-scrollbar { display: none; }
.main-nav p a {
  display: inline-block;
  padding: 8px 16px;
  min-height: 40px;
  line-height: 1.2;
  display: flex;
  align-items: center;
  background: transparent;
  border: 2px solid var(--dark);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
  color: var(--dark);
  transition: background 0.18s, color 0.18s, transform 0.15s;
}
.main-nav p a:hover,
.main-nav p a:focus-visible {
  background: var(--green);
  transform: translateY(-2px);
  outline: none;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--dark);
  border-radius: var(--card-radius);
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2.5px;
  background: var(--dark);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* 移动菜单 */
.mobile-nav {
  background: var(--dark);
  border-top: 3px solid var(--green);
  padding: 16px var(--gap);
}
.mobile-nav p {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mobile-nav p a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 18px;
  background: transparent;
  border: 2px solid var(--green);
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--green);
  transition: background 0.18s, color 0.18s;
}
.mobile-nav p a:hover { background: var(--green); color: var(--dark); }

/* div 锚点补偿 */
div[id] {
  scroll-margin-top: calc(var(--header-total) + 16px);
}

/* ── Hero ── */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--dark);
  overflow: hidden;
  z-index: 1;
}
.hero-dot-bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(135,255,113,0.18) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
  pointer-events: none;
  z-index: 0;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px var(--gap) 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  width: 100%;
}
.hero-media {
  position: relative;
}
.hero-img {
  width: 100%;
  border-radius: 8px;
  border: 4px solid var(--green);
  box-shadow: 8px 8px 0 var(--yellow);
  object-fit: cover;
  max-height: 480px;
}
.hero-geo {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hg {
  position: absolute;
  display: block;
}
.hg1 {
  width: 0; height: 0;
  border-left: 35px solid transparent;
  border-right: 35px solid transparent;
  border-bottom: 60px solid var(--yellow);
  top: -20px; right: -20px;
  transform: rotate(20deg);
  opacity: 0.85;
}
.hg2 {
  width: 50px; height: 50px;
  border: 5px solid var(--green);
  border-radius: 50%;
  bottom: -18px; left: -18px;
  opacity: 0.7;
}
.hg3 {
  width: 28px; height: 28px;
  background: var(--green);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  bottom: 30px; right: -30px;
  opacity: 0.6;
  transform: rotate(-15deg);
}
.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  text-align: left;
}
.hero-eyebrow {
  display: inline-block;
  background: var(--yellow);
  color: var(--dark);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 14px;
  border: 2px solid var(--dark);
  border-radius: 999px;
}
.hero-copy h1 {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.78);
  line-height: 1.7;
  max-width: 440px;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 32px;
  background: var(--green);
  color: var(--dark);
  font-size: 1rem;
  font-weight: 700;
  border: 3px solid var(--dark);
  border-radius: 999px;
  box-shadow: 4px 4px 0 var(--yellow);
  transition: transform 0.18s, box-shadow 0.18s;
}
.cta-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--yellow);
}
.cta-btn:active {
  transform: translate(0,0);
  box-shadow: 2px 2px 0 var(--yellow);
}

/* ── 主内容 ── */
.main-content {
  position: relative;
  z-index: 1;
  background: var(--off-white);
}
.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 64px var(--gap);
}
.content-with-aside {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  align-items: start;
}

/* ── 侧边栏 ── */
.sidebar {
  position: sticky;
  top: calc(var(--header-total) + 16px);
}
.sidebar-inner {
  background: var(--dark);
  border: 3px solid var(--dark);
  border-radius: var(--card-radius);
  padding: 24px 20px;
  position: relative;
  overflow: hidden;
}
.sidebar-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 6px;
}
.sidebar-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 2px dashed rgba(135,255,113,0.4);
}
.sidebar-inner nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.sidebar-link {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 12px;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  border-radius: var(--card-radius);
  border: 1px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  line-height: 1.35;
}
.sidebar-link:hover {
  background: rgba(135,255,113,0.12);
  color: var(--green);
  border-color: var(--green);
}
.sd {
  position: absolute;
  display: block;
  pointer-events: none;
}
.sd1 {
  width: 50px; height: 50px;
  border-radius: 50%;
  background: var(--yellow);
  opacity: 0.08;
  bottom: -15px; right: -15px;
}
.sd2 {
  width: 0; height: 0;
  border-left: 20px solid transparent;
  border-right: 20px solid transparent;
  border-bottom: 35px solid var(--green);
  opacity: 0.12;
  top: -10px; right: 16px;
  transform: rotate(5deg);
}

/* ── 正文 section ── */
.main-section {
  min-width: 0;
}
.page-article {
  /* 承接 page.content 的 HTML，含各 div */
}
.page-article div {
  margin-bottom: 64px;
  padding: 40px;
  background: var(--white);
  border: 3px solid var(--dark);
  border-radius: var(--card-radius);
  position: relative;
  box-shadow: 5px 5px 0 var(--dark);
  border-bottom: 6px solid var(--green);
}
.page-article div:nth-child(even) {
  border-bottom-color: var(--yellow);
  box-shadow: 5px 5px 0 var(--dark);
}
.page-article h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.9rem);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.25;
  color: var(--dark);
}
.page-article h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 24px 0 10px;
  color: var(--dark);
}
.page-article p {
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 14px;
  color: #1e2e1b;
}
.page-article ul, .page-article ol {
  padding-left: 1.5em;
  margin-bottom: 14px;
}
.page-article li {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 6px;
}
.page-article strong { font-weight: 700; }
.page-article em { font-style: italic; }
.page-article a {
  color: var(--dark);
  text-decoration: underline;
  text-decoration-color: var(--green);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.15s;
}
.page-article a:hover { text-decoration-color: var(--yellow); }
.page-article small {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 6px;
}
.page-article small + h2,
.page-article small + h3 {
  margin-top: 0;
}
.page-article table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 18px;
  font-size: 0.92rem;
}
.page-article th {
  background: var(--dark);
  color: var(--green);
  padding: 10px 14px;
  text-align: left;
  font-weight: 700;
}
.page-article td {
  padding: 9px 14px;
  border-bottom: 1px solid rgba(25,38,23,0.12);
}
.page-article tr:nth-child(even) td { background: var(--off-white); }
.page-article blockquote {
  border-left: 5px solid var(--green);
  background: rgba(135,255,113,0.08);
  padding: 14px 20px;
  margin: 18px 0;
  border-radius: 0 var(--card-radius) var(--card-radius) 0;
}

/* div 内装饰角标 */
.page-article div::before {
  content: '';
  display: block;
  width: 32px; height: 32px;
  background: var(--yellow);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  position: absolute;
  top: -16px; right: 24px;
  opacity: 0.75;
}
.page-article div:nth-child(even)::before {
  background: var(--green);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  right: auto; left: 24px;
}

/* 视差占位 */
.page-article div {
  will-change: transform;
  transition: transform 0.1s ease-out;
}

/* ── 页脚 ── */
.site-footer {
  background: var(--dark);
  border-top: 5px dashed var(--green);
  padding: 40px var(--gap) 32px;
  text-align: center;
  position: relative;
  z-index: 1;
}
.footer-brand {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}
.footer-note {
  display: block;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.65;
  max-width: 600px;
  margin: 0 auto;
}

/* ── 动效 ── */
@keyframes float-shape {
  0%, 100% { transform: translateY(0) rotate(15deg); }
  50% { transform: translateY(-20px) rotate(22deg); }
}
.shape-tri1 { animation: float-shape 6s ease-in-out infinite; }
.shape-circle1 { animation: float-shape 8s 1s ease-in-out infinite; }

@keyframes slide-in-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-copy h1 {
  animation: slide-in-up 0.6s 0.15s both;
}
.hero-copy .hero-eyebrow {
  animation: slide-in-up 0.5s 0s both;
}
.hero-copy .hero-desc {
  animation: slide-in-up 0.6s 0.3s both;
}
.hero-copy .cta-btn {
  animation: slide-in-up 0.6s 0.45s both;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ── 响应式 ── */
@media (max-width: 900px) {
  .content-with-aside {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
  }
  .sidebar-inner nav {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 8px;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 60px var(--gap) 48px;
  }
  .hero-media { order: -1; }
  .hero-copy { align-items: center; text-align: center; }
  .hero-desc { max-width: 100%; }
}
@media (max-width: 680px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; margin-left: auto; }
  .header-inner { justify-content: space-between; }
  .hero-copy h1 { font-size: 1.8rem; }
  .page-article div { padding: 24px 18px; }
  .wrap { padding: 40px var(--gap); }
  .site-header { position: sticky; top: 0; }
}
@media (max-width: 400px) {
  :root { --gap: 16px; }
  .hero-copy h1 { font-size: 1.5rem; }
  .main-nav p a { padding: 8px 12px; font-size: 0.78rem; }
}

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