/* public_site/assets/site.css */
/* Shared typography + spacing system for the public clinic site (home + privacy + support). */
/* Exists to keep the static pages minimalist, consistent, and easy to maintain. */
/* Related files: public_site/index.html, public_site/privacy.html, public_site/support.html, public_site/assets/brand/logo-horizontal.png */

:root {
  --ink: #212f61;
  --muted: rgba(33, 47, 97, 0.62);
  --accent: #87bc43;

  --bg: #f7f7f7;
  --card: rgba(255, 255, 255, 0.88);
  --line: rgba(33, 47, 97, 0.12);

  --r: 20px;
  --shadow: 0 26px 70px rgba(10, 18, 40, 0.1);

  --page-pad: clamp(18px, 3.6vw, 56px);
  --pad: clamp(18px, 2.9vw, 34px);
  --gap: clamp(12px, 2.1vw, 16px);
  --gap-lg: clamp(18px, 3vw, 28px);
  --section-gap: clamp(26px, 4vw, 56px);

  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", ui-sans-serif,
    system-ui, -apple-system, Segoe UI, sans-serif;
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", ui-serif, Georgia, serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background: radial-gradient(900px 520px at 14% 12%, rgba(135, 188, 67, 0.12), transparent 60%),
    radial-gradient(920px 520px at 86% 16%, rgba(33, 47, 97, 0.12), transparent 60%),
    linear-gradient(180deg, #fbfbfd, var(--bg));
  font-family: var(--sans), sans-serif;
  font-size: clamp(15px, 0.35vw + 14px, 16px);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
  text-decoration-color: rgba(135, 188, 67, 0.75);
  text-underline-offset: 4px;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: calc(var(--page-pad) + env(safe-area-inset-top)) calc(var(--page-pad) + env(safe-area-inset-right)) calc(var(--page-pad) * 1.35 + env(safe-area-inset-bottom)) calc(var(--page-pad) + env(safe-area-inset-left));
}

.wrap.narrow {
  max-width: 940px;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  padding: 8px 0;
}

.top.top-min {
  justify-content: flex-end;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.logo {
  height: 30px;
  width: auto;
  display: block;
  filter: drop-shadow(0 10px 20px rgba(33, 47, 97, 0.12));
}

.brand-hero {
  display: inline-block;
  width: min(680px, 100%);
}

.logo-hero {
  width: 100%;
  height: auto;
  display: block;
}

nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 14px;
}

.nav {
  font-size: 13px;
  color: rgba(33, 47, 97, 0.78);
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background-color 180ms ease, border-color 180ms ease;
}

.nav:hover {
  text-decoration: none;
  border-color: rgba(135, 188, 67, 0.32);
  background: rgba(255, 255, 255, 0.7);
}

.card {
  border-radius: var(--r);
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: 0 18px 54px rgba(10, 18, 40, 0.08);
}

.card.pad {
  padding: var(--pad);
}

.hero {
  position: relative;
  margin-top: clamp(12px, 2.2vw, 22px);
  border-radius: calc(var(--r) + 12px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.72));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: radial-gradient(680px 340px at 18% 18%, rgba(135, 188, 67, 0.18), transparent 62%),
    radial-gradient(900px 520px at 86% 28%, rgba(33, 47, 97, 0.14), transparent 60%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: var(--gap-lg);
  padding: var(--pad);
  align-items: center;
}

.hero-copy {
  display: grid;
  gap: 14px;
  align-content: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: rgba(33, 47, 97, 0.7);
  letter-spacing: 0.2px;
}

.kicker i {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--accent), rgba(135, 188, 67, 0.55));
  box-shadow: 0 10px 20px rgba(135, 188, 67, 0.22);
}

h1 {
  margin: 12px 0;
  font-family: var(--sans), sans-serif;
  font-size: clamp(30px, 4.1vw, 42px);
  font-weight: 400;
  line-height: 1.18;
  letter-spacing: 0.12px;
  text-wrap: balance;
}

h2 {
  margin: 18px 0 8px;
  font-size: 15px;
  letter-spacing: 0.15px;
}

p {
  margin: 10px 0;
}

ul {
  margin: 10px 0 0;
  padding-left: 18px;
}

li {
  margin: 6px 0;
}

.lead {
  margin: 0;
  color: rgba(33, 47, 97, 0.72);
  max-width: 34ch;
}

.qr-card {
  padding: calc(var(--pad) - 4px);
  display: grid;
  gap: 12px;
  align-content: start;
  box-shadow: none;
}

.qr-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.qr-head strong {
  font-size: 15px;
  letter-spacing: 0.12px;
}

.qr-head span {
  font-size: 12px;
  color: var(--muted);
}

.qrbox {
  width: min(300px, 100%);
  margin: 0 auto;
  border-radius: 18px;
  border: 1px dashed rgba(33, 47, 97, 0.26);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.74));
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  transition: border-color 180ms ease, transform 180ms ease;
}

.qrbox img {
  width: 85%;
  height: auto;
  mix-blend-mode: multiply;
  border-radius: 12px;
  opacity: 0.95;
  filter: contrast(1.05) Sepia(0.1) hue-rotate(190deg);
  /* 微调色调以匹配整体风格 */
}

.qrbox svg {
  width: 78%;
  height: auto;
  opacity: 0.92;
}

.qr-note {
  margin: 0;
  font-size: 13px;
  color: rgba(33, 47, 97, 0.66);
}

.section {
  margin-top: var(--section-gap);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--gap);
  padding: 0 4px;
}

.section-head h2 {
  margin: 0;
  font-family: var(--serif), serif;
  font-size: 22px;
  letter-spacing: 0.18px;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.grid {
  margin-top: var(--gap);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
}

.tile {
  padding: 18px;
  border-radius: var(--r);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.tile h3 {
  margin: 0;
  font-family: var(--serif), serif;
  font-size: 17px;
  letter-spacing: 0.08px;
}

.tile p {
  margin: 10px 0 0;
  color: rgba(33, 47, 97, 0.66);
  font-size: 13px;
  line-height: 1.65;
}

.tile:hover {
  transform: translateY(-1px);
  border-color: rgba(135, 188, 67, 0.32);
  box-shadow: 0 18px 44px rgba(10, 18, 40, 0.08);
}

:focus-visible {
  outline: 2px solid rgba(135, 188, 67, 0.55);
  outline-offset: 2px;
  border-radius: 12px;
}

.meta {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 13px;
}

.hr {
  height: 1px;
  background: var(--line);
  margin: 18px 0;
}

code {
  background: rgba(33, 47, 97, 0.06);
  padding: 1px 6px;
  border-radius: 8px;
}

footer {
  margin-top: var(--section-gap);
  padding: 18px 4px 60px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: rgba(33, 47, 97, 0.6);
  font-size: 13px;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px 10px;
}

.footer-sep {
  opacity: 0.4;
  margin: 0 2px;
}

.beian {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.beian img {
  width: 14px;
  height: 14px;
  display: block;
  opacity: 0.78;
}

@media (max-width: 920px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .qr-card {
    text-align: center;
    justify-items: center;
  }

  .hero-copy {
    text-align: center;
  }

  .kicker {
    justify-content: center;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .top {
    align-items: flex-start;
  }

  nav {
    gap: 8px 10px;
  }

  .nav {
    padding: 7px 9px;
  }

  .footer-sep-filing {
    display: none;
  }

  .filings {
    flex-direction: column;
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {

  .nav,
  .qrbox,
  .tile {
    transition: none;
  }

  .tile:hover {
    transform: none;
  }
}