/* 繁簡相通 (HanST) 官网主题 —— 色值对齐 HanST/HanST/Theme/Theme.swift
   纸质米白 #F6F1E7 / paperHighlight #FFFBF1 / 卡片 #FFFDF6 /
   朱砂 accent #A63D2E / 墨色 #2B2720 / 边框 #E4DCC8 */
:root {
  --paper: #F6F1E7;
  --paper-highlight: #FFFBF1;
  --card: #FFFDF6;
  --ink: #2B2720;
  --ink-secondary: #7E7566;
  --accent: #A63D2E;
  --accent-soft: rgba(166, 61, 46, 0.12);
  --seal-ink: #FFFDF6;
  --border: #E4DCC8;
  --shadow: rgba(43, 39, 32, 0.08);
  --font-song: "Songti TC", "STSong", "Source Han Serif TC", "Noto Serif CJK TC", "Songti SC", serif;
  --font-kai: "LXGW WenKai TC", "Kaiti TC", "STKaiti", "Kaiti SC", "DFKai-SB", "TW-Kai", serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: linear-gradient(180deg, var(--paper-highlight), var(--paper) 320px);
  color: var(--ink);
  font-family: var(--font-song);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 20px 48px;
}

a { color: var(--accent); }
a:hover { text-decoration: none; }

/* ---------- 顶部导航 ---------- */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: 2px;
}
.brand img {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  border: 0.5px solid var(--border);
}
nav .links { display: flex; gap: 18px; font-size: 15px; }
nav .links a { text-decoration: none; color: var(--ink-secondary); }
nav .links a:hover { color: var(--accent); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  text-align: center;
  padding: 40px 0 32px;
  overflow: hidden;
}
.hero::before, .hero::after {
  position: absolute;
  font-family: var(--font-kai);
  font-size: 240px;
  line-height: 1;
  color: var(--ink);
  opacity: 0.04;
  pointer-events: none;
  user-select: none;
}
.hero::before { content: "繁"; top: -34px; right: -18px; transform: rotate(6deg); }
.hero::after { content: "簡"; bottom: -56px; left: -14px; transform: rotate(-7deg); }
.hero .icon {
  width: 116px;
  height: 116px;
  border-radius: 26px;
  border: 0.5px solid var(--border);
  box-shadow: 0 6px 18px var(--shadow);
}
.hero h1 {
  margin: 18px 0 2px;
  font-size: 2.2em;
  font-weight: 600;
  letter-spacing: 8px;
  text-indent: 8px; /* 视觉居中补偿字距 */
}
.hero .subtitle {
  margin: 0 0 14px;
  color: var(--ink-secondary);
  letter-spacing: 3px;
  font-size: 15px;
}
.hero .tagline {
  max-width: 560px;
  margin: 0 auto 22px;
  font-family: var(--font-kai);
  font-size: 18px;
  color: var(--ink);
}
.seal {
  display: inline-block;
  padding: 2px 8px;
  margin-left: 10px;
  border-radius: 5px;
  background: var(--accent);
  color: var(--seal-ink);
  font-family: var(--font-kai);
  font-size: 13px;
  letter-spacing: 2px;
  vertical-align: middle;
  box-shadow: inset 0 0 0 0.5px rgba(255, 253, 246, 0.55);
  transform: rotate(-1.2deg);
}
.badge {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--seal-ink);
  text-decoration: none;
  letter-spacing: 2px;
  box-shadow: inset 0 0 0 0.5px rgba(255, 253, 246, 0.55), 0 4px 12px var(--shadow);
}
.badge:hover { background: #8f3325; color: var(--seal-ink); }
.hero-contact { margin: 18px 0 0; font-size: 14px; color: var(--ink-secondary); }

/* ---------- 特性卡片 ---------- */
.features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 28px 0;
}
.feature {
  background: var(--card);
  border: 0.5px solid var(--border);
  border-radius: 16px;
  padding: 18px 20px;
  box-shadow: 0 2px 6px var(--shadow);
}
.feature h2 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 1px;
}
.feature h2::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1.5px;
  margin-right: 8px;
  vertical-align: middle;
  background: var(--accent);
  border-radius: 1px;
}
.feature p { margin: 0; font-size: 15px; color: var(--ink-secondary); }

/* ---------- 截图条 ---------- */
.shots { margin: 36px 0; }
.shots h2, .support-cta h2 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 2px;
  text-align: center;
  margin: 0 0 18px;
}
.shotrow {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 4px 2px 12px;
  scroll-snap-type: x proximity;
}
.shotrow img {
  height: 430px;
  border-radius: 18px;
  border: 0.5px solid var(--border);
  box-shadow: 0 4px 12px var(--shadow);
  scroll-snap-align: center;
}
.shots .note {
  text-align: center;
  font-size: 13px;
  color: var(--ink-secondary);
  margin: 4px 0 0;
}

/* ---------- 支持 CTA ---------- */
.support-cta {
  background: var(--card);
  border: 0.5px solid var(--border);
  border-radius: 16px;
  padding: 24px 20px;
  text-align: center;
  box-shadow: 0 2px 6px var(--shadow);
}
.support-cta h2 { margin-bottom: 8px; }
.support-cta p { margin: 6px 0; color: var(--ink-secondary); }
.support-email { font-size: 18px; }

/* ---------- 页脚 ---------- */
footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 40px;
  padding-top: 18px;
  border-top: 0.5px solid var(--border);
  font-size: 14px;
  color: var(--ink-secondary);
}
footer span:last-child { display: flex; gap: 16px; }
footer a { color: var(--ink-secondary); text-decoration: none; }
footer a:hover { color: var(--accent); }

/* ---------- 语言切换 ---------- */
.langswitch {
  margin-top: 22px;
  text-align: center;
  font-size: 14px;
}
.langswitch a, .langswitch .cur { margin: 0 8px; }
.langswitch a { color: var(--ink-secondary); text-decoration: none; }
.langswitch a:hover { color: var(--accent); }
.langswitch .cur { color: var(--accent); font-weight: 600; }

/* ---------- 内页（隐私 / 支持） ---------- */
.page { max-width: 720px; }
.page h1 {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 3px;
  margin: 12px 0 4px;
}
.page .updated { color: var(--ink-secondary); font-size: 14px; margin: 0 0 20px; }
.page h2 {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 1px;
  margin: 30px 0 8px;
}
.page h2::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1.5px;
  margin-right: 8px;
  vertical-align: middle;
  background: var(--accent);
  border-radius: 1px;
}
.page p { margin: 10px 0; }
.page ul { padding-left: 22px; margin: 10px 0; }
.page li { margin: 6px 0; }
.faq p {
  background: var(--card);
  border: 0.5px solid var(--border);
  border-radius: 16px;
  padding: 14px 18px;
  box-shadow: 0 2px 6px var(--shadow);
}
code { font-family: inherit; }

/* ---------- 移动端 ---------- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .features { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.8em; letter-spacing: 5px; }
  .hero::before, .hero::after { font-size: 160px; }
  .shotrow img { height: 340px; }
  footer { justify-content: center; text-align: center; }
}