:root {
  --bg: #efe6d8;
  --bg-soft: #eadfcf;
  --panel: #fff8ec;
  --panel-2: #faefdf;
  --paper: #fffcf6;
  --card: #ffffff;
  --title-1: #fffcf5;
  --title-2: #f8eddd;
  --title-border: #d9c4a6;
  --footer-1: #faefde;
  --footer-2: #f4e7d3;
  --ink: #27231f;
  --muted: #75695b;
  --line: #e2d6c5;
  --accent: #a85a2a;
  --accent-2: #6b3418;
  --link: #6b3418;
  --link-hover: #a85a2a;
  --intro-line: #d8c6af;
  --btn-bg: #fff8ec;
  --btn-border: #d5b998;
  --btn-arrow: #744620;
  --shadow: 0 10px 28px rgba(33, 21, 11, 0.1);
  --reading-size: 22px;
  --page-max: 1080px;
  --page-gutter: 15px;
  --glass-bg: rgba(255, 255, 255, 0.38);
  --glass-strong: rgba(255, 255, 255, 0.52);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body.read-v3 {
  min-height: 100vh;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  color: var(--ink);
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", serif;
  padding-top: 56px;
}

.top-float,
.view_top,
#ksw_pagebody,
.view_t,
.view_info,
.view_content,
.view_page,
.view_tips,
.footer {
  margin-left: auto;
  margin-right: auto;
}

.view_top,
#ksw_pagebody,
.view_t,
.view_info,
.view_content,
.view_page,
.view_tips,
.footer {
  width: min(var(--page-max), calc(100% - (var(--page-gutter) * 2)));
}

a {
  color: var(--link);
  text-decoration: none !important;
}

a:hover {
  color: var(--link-hover);
  text-decoration: none !important;
}

a:visited,
a:focus,
a:active {
  text-decoration: none !important;
}

.top-float {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 8000;
  padding: 0;
  width: 100%;
}

.top-float-inner {
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 0;
  border-radius: 0;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(145deg, var(--glass-strong), var(--glass-bg));
  backdrop-filter: blur(12px) saturate(120%);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
  box-shadow: 0 6px 16px rgba(33, 21, 11, 0.1);
  text-align: center;
}

.top-float-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  overflow-x: auto;
  white-space: nowrap;
  flex: 1;
  scrollbar-width: thin;
}

.top-float-nav a,
.top-float-auth a {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 800;
  color: var(--link);
}

.top-float-nav a:hover,
.top-float-auth a:hover {
  color: var(--link-hover);
  background: rgba(255, 255, 255, 0.75);
}

.top-float-auth {
  flex: 0 0 auto;
  text-align: center;
}

#ksw_pagebody {
  margin-top: 12px;
}

.view_top {
  position: relative;
  z-index: 120;
  margin-top: 14px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(145deg, var(--glass-strong), var(--glass-bg));
  backdrop-filter: blur(10px) saturate(115%);
  -webkit-backdrop-filter: blur(10px) saturate(115%);
  box-shadow: var(--shadow);
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.view_top .l {
  flex: 1 1 auto;
  min-width: 0;
}

.view_top .r {
  flex: 0 1 48%;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.view_top .r span {
  display: block;
  margin-top: 4px;
  color: color-mix(in srgb, var(--muted) 72%, #fff 28%);
}

.sk_gb {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  padding: 12px;
  box-shadow: 0 6px 18px rgba(33, 21, 11, 0.06);
}

.read-v3-toggle {
  display: none;
  border: 1px solid #d8bc98;
  border-radius: 10px;
  background: #fff6e7;
  color: #68361a;
  padding: 8px 12px;
  margin-bottom: 8px;
  font-size: 13px;
}

.duset,
#yanse,
.sk_wz {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.duset {
  margin-bottom: 8px;
}

#yanse {
  position: relative;
  z-index: 300;
}

#skbglist,
#fonts {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

#skbglist .c {
  display: inline-flex;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.25);
}

.c1 { background: #cde4ff; }
.c2 { background: #d8d8d8; }
.c3 { background: #cfe7d4; }
.c4 { background: #f2e7ab; }
.c5 { background: #f8f8f8; }
.c6 { background: #f4ced6; }

#fonts .s {
  display: inline-block;
  padding: 1px 7px;
  border: 1px solid #d8cab7;
  border-radius: 8px;
  margin-right: 2px;
  color: #6f4f34;
}

#fonts .s.is-active {
  background: #fbe8ce;
  border-color: #d8a366;
  color: #80410f;
}

#x_menu,
#scrolltime,
.view_page select {
  border: 1px solid #d4c7b6;
  background: #fff;
  border-radius: 8px;
  padding: 4px 8px;
  color: #4d4136;
}

#x_menu {
  width: 62px;
  text-align: center;
}

#ys_menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  margin: 0;
  padding: 6px;
  list-style: none;
  border: 1px solid #dacdbb;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(34, 22, 12, 0.12);
  z-index: 9999;
}

#ys_menu li {
  margin: 0;
  padding: 2px 0;
}

#ys_menu a {
  display: block;
  padding: 2px 8px;
  border-radius: 6px;
  color: #3f3f3f;
}

#ys_menu a:hover {
  background: #f5efe6;
}

#ys_menu #red a { color: #8c1f19; }
#ys_menu #lv a { color: #2c6b33; }
#ys_menu #blue a { color: #174f8d; }
#ys_menu #zong a { color: #6e4a2f; }
#ys_menu #hei a { color: #27231f; }

.view_t {
  position: relative;
  z-index: 10;
  margin-top: 14px;
  padding: 16px 13px 12px;
  border-radius: 14px;
  border: 1px solid var(--title-border);
  background: linear-gradient(180deg, color-mix(in srgb, var(--title-1) 74%, transparent) 0%, color-mix(in srgb, var(--title-2) 70%, transparent) 100%);
  backdrop-filter: blur(8px) saturate(112%);
  -webkit-backdrop-filter: blur(8px) saturate(112%);
  box-shadow: var(--shadow);
  text-align: center;
}

.view_t h1 {
  margin: 0;
  font-family: "Hiragino Rounded GB", "YouYuan", "Microsoft YaHei", sans-serif;
  font-size: clamp(16px, 2.1vw, 22px);
  line-height: 1.42;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.view_t .view_intro {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--intro-line);
  font-size: 13px;
  line-height: 1.85;
  font-weight: 400;
  color: var(--muted);
  text-align: center;
}

.view_info,
.view_page,
.view_tips,
.footer {
  margin-top: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: color-mix(in srgb, var(--card) 70%, transparent);
  backdrop-filter: blur(8px) saturate(108%);
  -webkit-backdrop-filter: blur(8px) saturate(108%);
  color: var(--muted);
}

.view_info {
  font-size: 13px;
}

center > table {
  display: none;
}

.view_content {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: color-mix(in srgb, var(--paper) 72%, transparent);
  backdrop-filter: blur(9px) saturate(110%);
  -webkit-backdrop-filter: blur(9px) saturate(110%);
  padding: clamp(16px, 2.8vw, 30px);
  box-shadow: var(--shadow);
}

#view_content_txt {
  font-size: var(--reading-size);
  line-height: 2;
  letter-spacing: 0.01em;
  word-break: break-word;
}

#view_content_txt p {
  margin: 0 0 1.12em;
  text-indent: 1.8em;
}

.view_page {
  line-height: 2;
  font-size: 14px;
  text-align: center;
}

.view_tips {
  text-align: center;
  font-size: 12px;
  color: color-mix(in srgb, var(--muted) 72%, #fff 28%);
  border: 1px dashed var(--intro-line);
}

.footer {
  margin-bottom: 20px;
  background: linear-gradient(180deg, var(--footer-1) 0%, var(--footer-2) 100%);
}

.foot_nav,
.copyright {
  font-size: 14px;
  text-align: center;
}

.copyright {
  line-height: 1.8;
}

#btn.btn {
  position: fixed;
  right: max(8px, calc((100vw - var(--page-max)) / 2 - 52px));
  bottom: 18px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--btn-border);
  border-radius: 50%;
  background: var(--btn-bg);
  box-shadow: 0 8px 20px rgba(33, 21, 11, 0.18);
  text-indent: -9999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, background-color 0.2s, border-color 0.2s;
}

#btn.btn:before {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  left: 50%;
  top: 52%;
  border-left: 2px solid var(--btn-arrow);
  border-top: 2px solid var(--btn-arrow);
  transform: translate(-50%, -50%) rotate(45deg);
}

#btn.btn.is-visible {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 900px) {
  .view_top {
    flex-direction: column;
    align-items: flex-start;
  }

  .view_top .r {
    width: 100%;
    flex: 1 1 auto;
  }

  #view_content_txt {
    line-height: 1.9;
  }

  #btn.btn {
    right: var(--page-gutter);
  }
}

@media (max-width: 640px) {
  :root {
    --page-gutter: 11px;
  }

  .read-v3-toggle {
    display: inline-block;
  }

  .sk_gb.is-collapsed .duset,
  .sk_gb.is-collapsed #yanse {
    display: none;
  }

  #view_content_txt {
    --reading-size: 20px;
    line-height: 1.88;
  }

  #view_content_txt p {
    text-indent: 1.2em;
  }

  .top-float {
    top: 0;
    padding: 0 3px;
  }

  .top-float-inner {
    padding: 10px 6px;
  }

  .top-float-nav a,
  .top-float-auth a {
    font-size: 12px;
    padding: 3px 7px;
  }
}