/* ============================================
   全局样式
   ============================================ */

@font-face {
  font-family: "HYYakuHei";
  src: url("/public/HYYakuHei-85W.woff2");
}

/* CSS 变量 */
:root {
}

/* 重置样式 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  line-height: 1;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

/* 基础样式 */
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background: #fff;
  min-height: 100vh;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.content {
  flex: 1;
}

.container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
}

p {
  margin: 0;
}

.back-to-top {
  opacity: 0;
  position: fixed;
  right: 30px;
  bottom: 30px;
  cursor: pointer;
  background-color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.2));
  transition: all 0.2s;
}