/* ============================================================
   橙子cc 博客 · v2「坐标纸工作台」
   配色沿用原体系，一字不改：薄荷底、白纸卡、墨绿正文、青绿重点。
   v2 版式语言：坐标纸底纹 × 角标记卡片 × 目录点线列表 × 铅字页眉。
   字体复用 homepage/assets/fonts 里的本地子集。
   ============================================================ */

@font-face {
  font-family: "Noto Serif SC";
  src: url("/assets/fonts/NotoSerifSC-subset.woff2") format("woff2");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Noto Sans SC";
  src: url("/assets/fonts/NotoSansSC-subset.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper:        #eaf6f1;
  --paper-2:      #e0f0ea;
  --paper-3:      #ffffff;
  --ink:          #0e3630;
  --ink-soft:     #356358;
  --muted:        #628e82;
  --rule:         #d0e5dd;
  --rule-strong:  #abcfc5;
  --accent:       #0d9f86;
  --accent-deep:  #0a816a;
  --danger:       #b3452f;
  --code-bg:      #0e2b26;
  --code-fg:      #d7efe8;
  --grid-line:    rgba(13, 159, 134, .05);
  --serif:        "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans:         "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono:         Consolas, "JetBrains Mono", Menlo, monospace;
  --maxw:         1080px;
  --pad:          clamp(20px, 4.6vw, 56px);
  --shadow-lift:  0 14px 38px rgba(13, 130, 105, .13);
  --ease-out:     cubic-bezier(.2, .7, .2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { min-height: 100%; }

/* 图标标签库（components/Icon.tsx）：行内 SVG 基础对齐，尺寸默认 1em */
.ico { display: inline-block; vertical-align: -.125em; flex: none; }

body {
  background-color: var(--paper-2);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  /* 小屏幕上裁掉横向溢出，避免出现横向滚动条；
     clip 不会生成滚动容器，sticky 头部不受影响 */
  overflow-x: clip;
  isolation: isolate;
}

body::before {
  /* 背景只占首屏上方 60%，底部渐隐，滚动正文时不再透出照片 */
  content: "";
  position: absolute; top: 0; left: 0; right: 0; z-index: -1;
  height: 60vh;
  height: 60svh;
  background:
    linear-gradient(to bottom, rgba(14, 54, 48, .05) 60%, var(--paper-2) 100%),
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
    url("/assets/hero.webp") center / cover no-repeat;
  background-size: auto, 28px 28px, 28px 28px, cover;
  pointer-events: none;
}
body.home::before { display: none; }

::selection { background: rgba(13, 159, 134, .25); }
a { color: inherit; }
img { max-width: 100%; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.skip {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--ink); color: var(--paper);
  padding: 10px 16px; text-decoration: none; border-radius: 0 0 8px 0;
}
.skip:focus { top: 0; }

/* ---------- 签名元素②：角标记（取景框括号） ---------- */

.bracket { position: relative; }
.bracket::before,
.bracket::after {
  content: "";
  position: absolute;
  width: 13px; height: 13px;
  pointer-events: none;
  border: 0 solid var(--accent);
  opacity: .5;
  transition: width .25s var(--ease-out), height .25s var(--ease-out), opacity .25s;
}
.bracket::before { top: -1px; left: -1px; border-top-width: 1.5px; border-left-width: 1.5px; }
.bracket::after { bottom: -1px; right: -1px; border-bottom-width: 1.5px; border-right-width: 1.5px; }
.bracket:hover::before, .bracket:hover::after,
.bracket:focus-within::before, .bracket:focus-within::after { width: 24px; height: 24px; opacity: 1; }

/* ---------- 入场编排（JS 加 .will-reveal，无 JS 时内容照常可见） ---------- */

.will-reveal { opacity: 0; }
.will-reveal.in {
  opacity: 1;
  transition: opacity .6s var(--ease-out);
}

/* ---------- 页眉：全宽 sticky 导航 ---------- */

.site-head {
  --nav-opacity: 0;
  position: sticky; top: 0; z-index: 100;
  width: 100%;
  background: rgba(234, 246, 241, var(--nav-opacity));
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease-out), border-color .3s var(--ease-out);
}
.site-head.scrolled { border-bottom-color: rgba(14, 54, 48, .14); }
.nav-row {
  /* 三栏网格：左右各占剩余空间，中间菜单严格居中，不随两侧宽度偏移 */
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center; gap: 18px;
  width: 100%; padding: 10px var(--pad);
}
.nav-row > .site-nav { justify-self: center; }
.nav-row > .auth-area { justify-self: end; }

.brand {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--ink); flex: none;
}
.brand .seal {
  display: block;
  width: 38px; height: 38px; flex: none;
  border-radius: 9px;
}
.brand b { display: block; font-family: var(--serif); font-size: 15.5px; letter-spacing: .06em; }
.brand small { display: block; font-size: 10px; color: var(--muted); letter-spacing: .18em; }

.site-nav {
  display: flex; align-items: center;
  gap: clamp(14px, 2.2vw, 28px);
  font-size: 14px;
}
.site-nav a {
  position: relative;
  text-decoration: none; color: var(--ink-soft);
  padding: 4px 0;
  transition: color .15s;
  white-space: nowrap;
}
.site-nav a::after {
  content: ""; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 2px; background: var(--accent);
  transition: width .25s var(--ease-out);
}
.site-nav > a:hover, .site-nav > a.active { color: var(--accent-deep); font-weight: 600; }
.site-nav > a:hover::after, .site-nav > a.active::after { width: 100%; }

/* 登录区 + 头像 */
.auth-area { display: flex; align-items: center; gap: 12px; flex: none; }
.nav-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  object-fit: cover; border: 1.5px solid var(--rule-strong);
  display: block;
}
.avatar-fallback {
  display: grid; place-items: center;
  background: var(--accent); color: var(--paper-3);
  font-family: var(--serif); font-weight: 700;
  border-radius: 50%;
}
span.nav-avatar.avatar-fallback { font-size: 14px; }
.login-link {
  text-decoration: none; font-size: 13px; font-weight: 600;
  color: var(--accent-deep);
  border-bottom: 1.5px solid var(--accent);
  padding-bottom: 2px;
  transition: color .15s, border-color .15s, opacity .35s var(--ease-out);
}
.login-link:hover { color: var(--ink); border-color: var(--ink); }
/* 玻璃登录面板展开期间隐藏右上角入口的规则见下方 glass-panel 区块 */
.whoami {
  font-size: 12.5px; color: var(--ink-soft);
  padding: 4px 13px; background: var(--paper-3);
  border: 1px solid var(--rule); border-radius: 999px;
  max-width: 11em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.logout-form { display: inline; }
.ghost-btn {
  background: var(--paper-3); border: 1px solid var(--rule-strong);
  color: var(--ink-soft); font-size: 12.5px;
  padding: 5px 15px; border-radius: 999px;
  transition: border-color .15s, color .15s, background .15s;
}
.ghost-btn:hover { border-color: var(--accent); color: var(--accent-deep); background: var(--paper-3); }

/* 用户菜单：平时只露头像和名字，悬停 / 键盘聚焦时弹出菜单 */
.user-menu { position: relative; display: flex; align-items: center; gap: 10px; cursor: pointer; }
/* 悬停桥：鼠标从名字移向菜单时经过空隙不至于让菜单收起 */
.user-menu::after {
  content: ""; position: absolute; top: 100%; right: 0;
  width: 100%; height: 12px;
}
.user-drop {
  position: absolute; top: calc(100% + 12px); right: 0;
  min-width: 132px;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(14, 54, 48, .14);
  padding: 6px;
  opacity: 0; pointer-events: none; transform: translateY(-6px);
  transition: opacity .18s var(--ease-out), transform .18s var(--ease-out);
  z-index: 220;
}
.user-menu:hover .user-drop,
.user-menu:focus-within .user-drop { opacity: 1; pointer-events: auto; transform: none; }
.user-drop form { margin: 0; }
.user-drop i { font-style: normal; margin-right: 7px; }
.user-drop a,
.user-drop button {
  display: block; width: 100%;
  background: none; border: 0;
  font: inherit; font-size: 13px; text-align: left;
  color: var(--ink-soft); text-decoration: none;
  padding: 8px 12px; border-radius: 8px;
  cursor: pointer; white-space: nowrap;
  transition: background .15s, color .15s;
}
.user-drop a:hover,
.user-drop button:hover { background: var(--paper); color: var(--accent-deep); }
.user-drop a:focus-visible,
.user-drop button:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

/* 设置齿轮按钮：点击弹出设置菜单（后台入口 / 退出登录） */
.gear-btn {
  display: grid; place-items: center;
  width: 34px; height: 34px; flex: none;
  background: var(--paper-3); border: 1px solid var(--rule); border-radius: 50%;
  color: var(--ink-soft); cursor: pointer;
  transition: color .15s, border-color .15s;
}
.gear-btn:hover { color: var(--accent-deep); border-color: var(--accent); }
.gear-btn svg { width: 16px; height: 16px; transition: transform .35s var(--ease-out); }
.user-menu.open .gear-btn { color: var(--accent-deep); border-color: var(--accent); }
.user-menu.open .gear-btn svg { transform: rotate(90deg); }
.user-menu.open .user-drop { opacity: 1; pointer-events: auto; transform: none; }

/* ---------- 提示条：吸顶滑出，数秒后自动消失 ----------
   React 版 FlashProvider 把它渲染在文档尾部，必须固定定位才能被看到。 */

.flashes {
  position: fixed;
  top: 86px; left: 50%;
  transform: translateX(-50%);
  z-index: 120;
  width: min(560px, calc(100vw - 28px));
  margin: 0; padding: 0;
  display: grid; gap: 8px;
  pointer-events: none;
}
.flash {
  padding: 11px 16px; border-radius: 10px;
  font-size: 14px; border: 1px solid;
  box-shadow: 0 12px 30px rgba(14, 54, 48, .18);
  animation: flash-in .28s var(--ease-out) both;
  pointer-events: auto;
}
.flash-ok { background: #e5f7f1; border-color: #b7e5d8; color: var(--accent-deep); }
.flash-error { background: #fdeee9; border-color: #f2c9bd; color: var(--danger); }

@keyframes flash-in {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .flash { animation: none; }
}

/* ---------- 主体 ---------- */

main {
  flex: 1;
  width: 100%; max-width: var(--maxw);
  margin: clamp(16px, 3vh, 32px) auto clamp(30px, 5vh, 56px);
  padding: clamp(30px, 5vh, 54px) var(--pad) clamp(44px, 6vh, 64px);
  /* 签名元素③：内容毛玻璃面板 —— 背景图保持鲜明，正文统一浮在磨砂玻璃上 */
  background: rgba(255, 255, 255, .58);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  backdrop-filter: blur(18px) saturate(1.2);
  border: 1px solid rgba(255, 255, 255, .75);
  border-radius: 26px;
  box-shadow: 0 22px 55px rgba(14, 54, 48, .13);
  overflow: clip;
}

.page-head { margin-bottom: clamp(30px, 5vh, 52px); }
.eyebrow {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--mono);
  font-size: 11px; letter-spacing: .3em; color: var(--accent-deep);
  text-transform: uppercase; margin-bottom: 14px;
}
.eyebrow::before {
  content: ""; width: 30px; height: 1px; flex: none; background: var(--accent);
}
.page-head h1 {
  font-family: var(--serif);
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.16; font-weight: 700;
  letter-spacing: .01em;
}
.page-head h1 .dot { color: var(--accent); }
.page-head .lede {
  margin-top: 16px; max-width: 34em;
  color: var(--ink-soft); font-size: 15.5px; line-height: 2;
}
.page-head .lede em { font-style: normal; color: var(--accent-deep); font-weight: 600; }
.nowrap { white-space: nowrap; }

/* ---------- 首页 Hero：灯火大图 ---------- */

/* 导航：所有页面顶部均透明浮于背景图上，滚动后变毛玻璃实底 */
body.home .site-head, body.page-goods .site-head { position: fixed; }
.site-head:not(.scrolled) .brand { color: #fff; }
.site-head:not(.scrolled) .brand b {
  color: #fff; text-shadow: 0 1px 10px rgba(0, 0, 0, .45);
}
.site-head:not(.scrolled) .brand small {
  color: rgba(255, 255, 255, .72); text-shadow: 0 1px 8px rgba(0, 0, 0, .4);
}
.site-head:not(.scrolled) .site-nav a {
  color: rgba(255, 255, 255, .86);
  text-shadow: 0 1px 8px rgba(0, 0, 0, .4);
}
.site-head:not(.scrolled) .site-nav > a:hover,
.site-head:not(.scrolled) .site-nav > a.active { color: #fff; }
.site-head:not(.scrolled) .login-link {
  color: #fff; border-bottom-color: rgba(255, 255, 255, .85);
  text-shadow: 0 1px 8px rgba(0, 0, 0, .4);
}
.site-head:not(.scrolled) .whoami {
  color: #fff; background: rgba(0, 0, 0, .18); border-color: rgba(255, 255, 255, .35);
}
.site-head:not(.scrolled) .ghost-btn {
  color: #fff; background: rgba(0, 0, 0, .14); border-color: rgba(255, 255, 255, .5);
}
.site-head:not(.scrolled) .nav-avatar { border-color: rgba(255, 255, 255, .6); }

/* 首页只有欢迎大屏：正文与页脚不渲染内容，收起（提示条全局固定吸顶，无需再调） */
body.home main { display: none; }
body.home .site-foot { display: none; }

.hero {
  position: relative;
  width: 100%;
  min-height: clamp(420px, 72vh, 720px);
  /* 面板列的横向留白与列间隙，供轨道与标题层 padding 公式共用 */
  --hero-pad-x: clamp(20px, 5vw, 88px);
  --hero-gap: clamp(24px, 4vw, 72px);
  display: grid; place-items: center;
  /* 右列留给登录框：关闭时折叠为 0 宽（与标题同一行，不占纵向空间），展开时平滑撑开 */
  grid-template-columns: minmax(0, 1fr) minmax(0, 0fr);
  transition: grid-template-columns .6s var(--ease-out), column-gap .6s var(--ease-out),
              padding .6s var(--ease-out);
  background:
    linear-gradient(rgba(10, 20, 28, .30), rgba(10, 20, 28, .52)),
    var(--paper-2) url("/assets/hero.webp") center / cover no-repeat;
  overflow: hidden;
}
body.home .hero {
  min-height: 100vh;
  min-height: 100svh;
}
body.home .hero::after { display: none; }
.hero::after {
  /* 底部向薄荷纸色的柔和过渡，避免与正文生硬相接 */
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 90px;
  background: linear-gradient(rgba(234, 246, 241, 0), var(--paper));
  pointer-events: none;
}
.hero-stage {
  /* 标题舞台层：绝对定位铺满 hero，水平中心用 padding 过渡推动（左↔中↔右） */
  position: absolute; inset: 0; z-index: 1;
  display: grid; place-items: center;
  /* 标题 + 语录两行作为整体垂直居中（默认 stretch 会把行拉满、标题偏上） */
  align-content: center;
  text-align: center;
  padding: 0 var(--pad);
  color: #fff;
  pointer-events: none;
  transition: padding .6s var(--ease-out);
}
.hero-title {
  font-family: var(--serif);
  font-size: clamp(32px, 5.6vw, 62px);
  font-weight: 700; letter-spacing: .06em; line-height: 1.25;
  text-shadow: 0 3px 28px rgba(0, 0, 0, .45);
}
.hero-quote {
  margin-top: 22px;
  font-family: var(--serif);
  font-size: clamp(15px, 2vw, 19px);
  line-height: 1.9; letter-spacing: .04em;
  color: rgba(255, 255, 255, .88);
  text-shadow: 0 2px 14px rgba(0, 0, 0, .4);
}
.hero-quote-src { font-size: .82em; color: rgba(255, 255, 255, .68); white-space: nowrap; }

/* ---------- 玻璃登录面板（首页 hero 右栏内嵌 + 全局浮层共用视觉） ---------- */

/* 展开后标题滑向左栏，右栏留给登录框；grid 轨道宽度可过渡，位移是平滑的 */
.hero.login-open {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .85fr);
  column-gap: var(--hero-gap);
  padding: 0 var(--hero-pad-x);
}
/* 标题中心精确对齐标题列（宽列 1.1fr）中心：
   padding = 100% + pad - 2*横向留白 - 宽列宽，宽列宽 = (100% - 2*留白 - 间隙) * 1.1/1.95 */
.hero.login-open .hero-stage {
  text-align: left;
  padding-right: calc(100% + var(--pad) - 2 * var(--hero-pad-x)
                      - (100% - 2 * var(--hero-pad-x) - var(--hero-gap)) * 1.1 / 1.95);
}

/* 注册态镜像：注册框从左列弹出，标题滑向右列（列宽镜像 0.85fr / 1.1fr） */
.hero.register-open {
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.1fr);
  column-gap: var(--hero-gap);
  padding: 0 var(--hero-pad-x);
}
.hero.register-open .hero-stage {
  text-align: right;
  padding-left: calc(100% + var(--pad) - 2 * var(--hero-pad-x)
                     - (100% - 2 * var(--hero-pad-x) - var(--hero-gap)) * 1.1 / 1.95);
}

/* 玻璃卡片视觉：半透白渐变 + 背景模糊 + 内侧高光 */
.glass-panel {
  position: relative;
  width: min(430px, 92vw);
  /* 注册表单比登录高，矮窗口内限高滚动 */
  max-height: min(92dvh, 100%);
  overflow-y: auto;
  scrollbar-width: thin;
  padding: clamp(20px, 2.4vw, 30px);
  border-radius: 20px;
  color: #fff;
  background: linear-gradient(135deg, rgba(255, 255, 255, .22), rgba(255, 255, 255, .08));
  -webkit-backdrop-filter: blur(18px) saturate(1.5);
  backdrop-filter: blur(18px) saturate(1.5);
  border: 1px solid rgba(255, 255, 255, .35);
  box-shadow: 0 24px 60px rgba(8, 32, 27, .35), inset 0 1px 0 rgba(255, 255, 255, .45);
}
.glass-panel h2 {
  font-family: var(--serif);
  font-size: 21px; font-weight: 700; letter-spacing: .04em;
  text-shadow: 0 2px 14px rgba(0, 0, 0, .35);
}
/* 注册面板无副标题，标题与表单之间补回间距 */
.glass-panel h2 + form { margin-top: 14px; }
.glass-panel .sub {
  font-size: 13px; color: rgba(255, 255, 255, .8);
  margin: 4px 0 14px;
}
/* 表单紧凑化：注册字段多，控制整体高度避免出现内部滚动条 */
.glass-panel .field { margin-bottom: 11px; }
.glass-panel .field label {
  color: rgba(255, 255, 255, .88);
  font-size: 12.5px; margin-bottom: 3px;
}
.glass-panel .field input {
  background: rgba(255, 255, 255, .16);
  border-color: rgba(255, 255, 255, .38);
  color: #fff;
  font-size: 14px; padding: 8px 12px;
}
.glass-panel .field input::placeholder { color: rgba(255, 255, 255, .5); }
.glass-panel .field input:focus {
  outline: 2px solid rgba(255, 255, 255, .85);
  outline-offset: 1px; border-color: transparent;
}
.glass-panel .field.check label { color: rgba(255, 255, 255, .85); }
.glass-panel .tip { font-size: 11.5px; line-height: 1.5; color: rgba(255, 255, 255, .62); margin-top: 2px; }
.glass-panel .btn {
  width: 100%;
  /* 玻璃面板内弱化高饱和主题色：半透明主题色 + 毛玻璃，随换肤自动跟随 */
  background: color-mix(in srgb, var(--accent) 55%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, .45);
  box-shadow: 0 10px 26px color-mix(in srgb, var(--accent) 32%, transparent);
  padding: 9px 22px; font-size: 14px;
}
.glass-panel .btn:hover {
  background: color-mix(in srgb, var(--accent) 72%, transparent);
  transform: none;
  box-shadow: 0 12px 30px color-mix(in srgb, var(--accent) 42%, transparent);
}
.glass-panel .form-foot {
  font-size: 13px; color: rgba(255, 255, 255, .8);
  margin-top: 12px; text-align: center;
}
.glass-panel .form-foot a {
  color: #fff; font-weight: 600;
  text-decoration: underline; text-underline-offset: 3px;
}
/* 面板间就地切换的「注册一个 / 返回登录」按钮（样式对齐链接） */
.glass-panel .form-foot .switch-link {
  background: none; border: none; padding: 0; cursor: pointer;
  font: inherit; font-weight: 600; color: #fff;
  text-decoration: underline; text-underline-offset: 3px;
}
.glass-close {
  position: absolute; top: 12px; right: 14px;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .4);
  background: rgba(255, 255, 255, .12);
  color: #fff; font-size: 18px; line-height: 1;
  cursor: pointer;
  transition: background .15s;
}
.glass-close:hover { background: rgba(255, 255, 255, .3); }

/* 首页：玻璃登录框固定在右列（grid-column: 2），关闭时随 0 宽轨道折叠 */
.hero-login {
  z-index: 1;
  grid-column: 2; grid-row: 1;
  justify-self: center;
  /* 固定宽度：关闭时轨道折叠为 0，width:100% 会把表单挤成超高细条 */
  opacity: 0; visibility: hidden;
  transform: translateX(40px);
  pointer-events: none;
  transition: opacity .5s var(--ease-out), transform .5s var(--ease-out),
              visibility 0s linear .5s;
}
.hero.login-open .hero-login {
  opacity: 1; visibility: visible;
  transform: none;
  pointer-events: auto;
  transition-delay: 0s;
}
/* 注册面板：左列镜像，关闭时隐于标题层之下（固定宽度，不随 1fr 轨道换行） */
.hero-reg {
  z-index: 1;
  grid-column: 1; grid-row: 1;
  justify-self: center;
  opacity: 0; visibility: hidden;
  transform: translateX(-40px);
  pointer-events: none;
  transition: opacity .5s var(--ease-out), transform .5s var(--ease-out),
              visibility 0s linear .5s;
}
.hero.register-open .hero-reg {
  opacity: 1; visibility: visible;
  transform: none;
  pointer-events: auto;
  transition-delay: 0s;
}
/* 面板展开期间，右上角「登录」入口与之重复，淡出隐藏 */
body:has(.hero.login-open) .login-link,
body:has(.hero.register-open) .login-link,
body.login-modal-open .login-link {
  opacity: 0;
  pointer-events: none;
}

/* 其他页面：玻璃登录浮层（暗化模糊背景上居中弹出） */
.login-modal {
  position: fixed; inset: 0; z-index: 200;
  display: grid; place-items: center;
  padding: 24px;
}
.login-modal::before {
  content: ""; position: absolute; inset: 0;
  background: rgba(12, 28, 26, .42);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  animation: modal-backdrop .3s var(--ease-out) both;
}
.login-modal-card { animation: modal-pop .38s var(--ease-out) both; }
@keyframes modal-backdrop {
  from { opacity: 0; }
}
@keyframes modal-pop {
  from { opacity: 0; transform: translateY(18px) scale(.97); }
}

/* ---------- 首页：引言条 / 栏目头 ---------- */

.home-intro { margin-bottom: clamp(26px, 4vh, 44px); }
.home-intro .eyebrow { margin-bottom: 10px; }
.home-lede {
  margin-top: 12px; max-width: 36em;
  color: var(--ink-soft); font-size: 15.5px; line-height: 2;
}
.cat-name {
  font-family: var(--serif);
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.2; font-weight: 700; letter-spacing: .01em;
}
.cat-name .dot { color: var(--accent); }
.back-all { margin-top: 16px; }
.back-all a {
  font-family: var(--mono); font-size: 12px; letter-spacing: .1em;
  color: var(--accent-deep); text-decoration: none;
}
.back-all a:hover { text-decoration: underline; }

/* ---------- 首页：头条大卡 ---------- */

.featured-card {
  display: block; position: relative; text-decoration: none;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: clamp(26px, 4vw, 44px);
  margin-bottom: clamp(34px, 5vh, 56px);
  box-shadow: var(--shadow-lift);
  transition: transform .25s var(--ease-out), box-shadow .25s var(--ease-out);
}
.featured-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 44px rgba(13, 130, 105, .18);
}
.feat-top { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.feat-flag {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .22em;
  color: var(--paper-3); background: var(--accent);
  padding: 3px 12px; border-radius: 999px;
}
.featured-card h2 {
  font-family: var(--serif);
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.4; font-weight: 700; color: var(--ink);
  transition: color .2s;
}
.featured-card:hover h2 { color: var(--accent-deep); }
.feat-sum {
  margin-top: 12px; max-width: 40em;
  color: var(--ink-soft); font-size: 15px; line-height: 1.95;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden;
}
.feat-foot {
  margin-top: 22px;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
.feat-foot time {
  font-family: var(--mono); font-size: 11.5px;
  color: var(--muted); letter-spacing: .08em;
}
.feat-foot .arr {
  font-family: var(--mono); font-size: 12.5px;
  color: var(--accent-deep); letter-spacing: .08em;
  transition: transform .25s var(--ease-out);
}
.featured-card:hover .arr { transform: translateX(5px); }

/* ---------- 首页：往期文章三栏卡片 ---------- */

.page-posts main { padding-top: clamp(50px, 8vh, 88px); }
.page-posts .list-cap { margin-bottom: 24px; }
.page-posts .post-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.page-posts .post-row {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  min-width: 0;
  min-height: 290px;
  padding: 24px;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  border-radius: 16px;
  box-shadow: 0 8px 26px rgba(14, 54, 48, .06);
  overflow: hidden;
  transition: transform .25s var(--ease-out), border-color .25s, box-shadow .25s var(--ease-out);
}
.page-posts .post-row::before {
  left: 24px; right: 24px; top: 0; bottom: auto;
  width: auto; height: 3px;
  transform: scaleX(0); transform-origin: left;
}
.page-posts .post-row:hover { background: var(--paper-3); }
.page-posts .post-row:hover::before { transform: scaleX(1); }
.page-posts .post-row:hover {
  transform: translateY(-5px);
  border-color: var(--rule-strong);
  box-shadow: var(--shadow-lift);
}
.post-card-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; margin-bottom: 24px;
}
.page-posts .post-row .no { font-size: 11px; }
.page-posts .post-row .badge {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.page-posts .post-row .row-main { flex: 1; }
.page-posts .post-row h2 {
  font-size: 21px;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.page-posts .post-row .row-sum {
  margin-top: 12px;
  -webkit-line-clamp: 3;
}
.page-posts .post-row .row-side {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 26px;
  padding-top: 15px;
  border-top: 1px solid var(--rule);
}
.page-posts .post-row .arr {
  color: var(--accent-deep);
  font-size: 12px;
  white-space: nowrap;
}

.list-cap {
  display: flex; align-items: baseline; gap: 12px;
  padding-bottom: 10px; border-bottom: 2px solid var(--ink);
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em;
  color: var(--muted);
}
.list-cap b { color: var(--ink); font-size: 13px; letter-spacing: .1em; }

.post-list { display: grid; }

.post-row {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr) auto;
  gap: clamp(14px, 2.5vw, 26px);
  align-items: baseline;
  padding: 24px 6px 25px 2px;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  position: relative;
  transition: background .2s;
}
.post-row::before {
  content: ""; position: absolute; left: -14px; top: 8px; bottom: 8px;
  width: 2px; background: var(--accent);
  transform: scaleY(0); transform-origin: top;
  transition: transform .3s var(--ease-out);
}
.post-row:hover::before { transform: scaleY(1); }
.post-row:hover { background: rgba(255, 255, 255, .55); }

.post-row .no {
  font-family: var(--mono); font-size: 12px;
  color: var(--accent); letter-spacing: .12em;
}
.post-row .row-main { min-width: 0; }
.post-row h2 {
  font-family: var(--serif);
  font-size: clamp(19px, 2.6vw, 25px);
  font-weight: 700; line-height: 1.45;
  color: var(--ink);
  transition: color .2s;
}
.post-row:hover h2 { color: var(--accent-deep); }
.post-row .row-sum {
  margin-top: 5px; color: var(--ink-soft); font-size: 14px; line-height: 1.85;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-row .row-side {
  display: flex; flex-direction: column; align-items: flex-end; gap: 8px;
  white-space: nowrap;
}
.post-row time {
  font-family: var(--mono); font-size: 11.5px;
  color: var(--muted); letter-spacing: .08em;
}
.post-row .row-tags { display: flex; gap: 6px; }

.badge {
  font-size: 10.5px; padding: 1px 9px; border-radius: 999px;
  background: var(--paper-3); border: 1px solid var(--rule); color: var(--muted);
}
.post-row .arr {
  color: var(--rule-strong);
  font-size: 15px; line-height: 1;
  transition: transform .25s var(--ease-out), color .25s;
}
.post-row:hover .arr { color: var(--accent); transform: translateX(5px); }

.empty-tip {
  background: var(--paper-3); border: 1px dashed var(--rule-strong);
  border-radius: 14px; padding: 46px 26px; text-align: center;
  color: var(--muted);
}
.empty-tip .btn { margin-top: 16px; }

.pager {
  display: flex; justify-content: center; align-items: center; gap: 14px;
  margin-top: 34px; font-size: 13.5px;
}
.pager a, .pager span {
  padding: 7px 18px; border-radius: 999px; text-decoration: none;
  border: 1px solid var(--rule-strong); color: var(--ink-soft);
  background: var(--paper-3);
}
.pager a:hover { border-color: var(--accent); color: var(--accent-deep); }
.pager .disabled { opacity: .4; }
.pager > span:not(.disabled) {
  border: none; background: none;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; color: var(--muted);
}

/* ---------- 首页：栏目卡 / 工具资源卡 ---------- */

.home-sec { margin-top: clamp(42px, 6.5vh, 66px); }

.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 22px;
}
.cat-card {
  display: flex; flex-direction: column; gap: 8px;
  text-decoration: none;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 22px 20px 18px;
  transition: transform .25s var(--ease-out), border-color .25s, box-shadow .25s var(--ease-out);
}
.cat-card:hover {
  transform: translateY(-3px);
  border-color: var(--rule-strong);
  box-shadow: var(--shadow-lift);
}
.cat-card .cat-no {
  font-family: var(--mono); font-size: 10.5px;
  color: var(--accent); letter-spacing: .2em;
}
.cat-card b {
  font-family: var(--serif); font-size: 19px;
  color: var(--ink); transition: color .2s;
}
.cat-card:hover b { color: var(--accent-deep); }
.cat-card p {
  flex: 1;
  font-size: 13px; line-height: 1.8; color: var(--muted);
}
.cat-card .cat-count {
  font-family: var(--mono); font-size: 11px;
  color: var(--accent-deep); letter-spacing: .1em;
}

/* ---------- 文章页：栏目胶囊卡 ---------- */

.cat-cards {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin: 2px 0 30px;
}
.cat-tile {
  display: inline-flex; align-items: baseline; gap: 7px;
  text-decoration: none;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 7px 18px;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.cat-tile:hover { border-color: var(--accent); box-shadow: var(--shadow-lift); }
.cat-tile-meta { display: inline-flex; align-items: baseline; gap: 7px; }
.cat-tile-meta b { font-size: 13.5px; color: var(--ink); transition: color .2s; }
.cat-tile:hover .cat-tile-meta b { color: var(--accent-deep); }
.cat-tile-count {
  font-family: var(--mono); font-size: 10.5px;
  color: var(--muted); letter-spacing: .06em;
}
.cat-tile.current { background: var(--accent); border-color: var(--accent); }
.cat-tile.current .cat-tile-meta b { color: #fff; }
.cat-tile.current .cat-tile-count { color: rgba(255, 255, 255, .85); }

/* ---------- 好友：样式已迁去 friends.css（QQ 空间主题） ---------- */

/* ---------- 商店：资源橱窗（分类筛选 + 分组头 + 链接卡） ---------- */

/* 整页照片背景：与首页同图同暗化渐变。固定在视口上不动——滚动时只有内容动。
   模糊直接烘焙在背景层（filter 一次性栅格化），背景层静止无重采样，
   面板与导航也不用 backdrop-filter，滚动全程零逐帧计算，不会再晃 */
body.page-goods::before {
  position: fixed; inset: 0;
  background:
    linear-gradient(rgba(10, 20, 28, .30), rgba(10, 20, 28, .52)),
    var(--paper-2) url("/assets/hero.webp") center / cover no-repeat;
  filter: blur(14px);
  transform: scale(1.08); /* 放大藏住模糊产生的边缘透边 */
}

/* 页头：标题区直接浮在照片上，自身不再带背景 */
.goods-hero {
  position: relative;
  min-height: clamp(300px, 44vh, 540px);
  display: grid; place-items: center;
  overflow: hidden;
}
.goods-hero-inner {
  position: relative; z-index: 1;
  text-align: center; color: #fff;
  /* 顶部避开固定导航 */
  padding: 96px var(--pad) 36px;
}
.goods-hero .eyebrow { color: rgba(255, 255, 255, .85); margin-bottom: 10px; }
.goods-hero .eyebrow::before { background: rgba(255, 255, 255, .55); }
.goods-hero .cat-name { color: #fff; text-shadow: 0 3px 24px rgba(0, 0, 0, .45); }
.goods-hero .cat-name .dot { color: rgba(255, 255, 255, .8); }
.goods-hero .home-lede {
  color: rgba(255, 255, 255, .88);
  text-shadow: 0 2px 12px rgba(0, 0, 0, .4);
  margin: 12px auto 0;
}
/* 超管的商店管理入口（横幅上的玻璃小按钮） */
.goods-manage {
  display: inline-block;
  margin-top: 18px;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 13.5px; font-weight: 600;
  color: #fff; text-decoration: none;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .45);
  transition: background .15s;
}
.goods-manage:hover { background: rgba(255, 255, 255, .3); }
/* 玻璃正文面板浮于照片上：背景已自带模糊，面板用纯半透明白即可，零逐帧采样 */
body.page-goods main {
  position: relative; z-index: 1;
  margin-top: -30px;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
/* 导航同样关闭逐帧模糊采样 */
body.page-goods .site-head {
  background: rgba(255, 255, 255, var(--nav-opacity));
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

/* 分类筛选芯片：每类带自己的点缀色 --tint */
.goods-filter {
  display: flex; flex-wrap: wrap; gap: 9px;
  margin-bottom: 8px;
}
.goods-filter button {
  display: inline-flex; align-items: center; gap: 7px;
  font: inherit; font-size: 13px; font-weight: 600;
  color: var(--ink-soft);
  background: var(--paper-3);
  border: 1px solid var(--rule); border-radius: 999px;
  padding: 7px 15px; cursor: pointer;
  transition: border-color .2s, background .2s, color .2s, transform .2s;
}
.goods-filter button > span:last-child {
  font-family: var(--mono); font-size: 10.5px;
  color: var(--muted); letter-spacing: .06em;
}
.goods-filter button:hover {
  border-color: var(--tint, var(--accent));
  color: var(--ink);
  transform: translateY(-1px);
}
.goods-filter button.current {
  background: var(--tint, var(--accent));
  border-color: var(--tint, var(--accent));
  color: #fff;
}
.goods-filter button.current > span:last-child { color: rgba(255, 255, 255, .85); }

/* 分组头：衬线斜体序号 + 图标砖 + 名称 + 英文微标 + 点线 + 计数 */
.goods-cap {
  display: flex; align-items: center; gap: 13px;
  margin-bottom: 6px;
}
.goods-cap-idx {
  font-family: var(--serif); font-style: italic;
  font-size: 30px; font-weight: 700; line-height: 1;
  color: color-mix(in srgb, var(--tint, var(--accent)) 80%, var(--ink));
}
.goods-cap-icon {
  width: 34px; height: 34px; display: grid; place-items: center;
  font-size: 17px; border-radius: 10px;
  background: color-mix(in srgb, var(--tint, var(--accent)) 13%, var(--paper-3));
  border: 1px solid color-mix(in srgb, var(--tint, var(--accent)) 30%, var(--rule));
}
.goods-cap b { font-family: var(--serif); font-size: 21px; color: var(--ink); }
.goods-cap-en {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--muted); padding-top: 7px;
}
.goods-cap::after {
  content: ""; flex: 1; height: 1px; margin: 0 4px;
  background-image: linear-gradient(to right, var(--rule-strong) 45%, transparent 45%);
  background-size: 7px 1px; background-repeat: repeat-x;
}
.goods-cap-count {
  font-family: var(--mono); font-size: 11px;
  color: var(--muted); letter-spacing: .08em;
}

/* 链接卡：左缘分类色签 + 首字砖 + 两行简介 + 域名脚注 */
.goods-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}
.goods-card {
  position: relative;
  display: flex; flex-direction: column; gap: 8px;
  text-decoration: none;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 18px 18px 14px;
  overflow: hidden;
  transition: transform .25s var(--ease-out), border-color .25s, box-shadow .25s var(--ease-out);
}
.goods-card::before {
  /* 左缘分类色签：平时半隐，悬停点亮加宽 */
  content: ""; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--tint, var(--accent));
  opacity: .28;
  transition: opacity .25s, width .25s var(--ease-out);
}
.goods-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--tint, var(--accent)) 40%, var(--rule));
  box-shadow: var(--shadow-lift);
}
.goods-card:hover::before { opacity: 1; width: 4px; }
.goods-mark {
  position: absolute; top: 14px; right: 14px;
  width: 34px; height: 34px; display: grid; place-items: center;
  font-family: var(--serif); font-size: 16px; font-weight: 700;
  color: color-mix(in srgb, var(--tint, var(--accent)) 70%, var(--ink));
  background: color-mix(in srgb, var(--tint, var(--accent)) 11%, var(--paper-3));
  border-radius: 10px;
}
.goods-card b {
  font-family: var(--serif); font-size: 17px; line-height: 1.5;
  color: var(--ink); transition: color .2s;
  padding-right: 42px;
}
.goods-card:hover b { color: var(--accent-deep); }
.goods-card p {
  flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 13px; line-height: 1.8; color: var(--muted);
}
.goods-meta {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  margin-top: 2px; padding-top: 10px;
  border-top: 1px dashed var(--rule);
}
.goods-meta i {
  font-style: normal;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .04em;
  color: var(--muted);
  max-width: 62%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.goods-card .goods-go {
  font-family: var(--mono); font-size: 11px;
  color: color-mix(in srgb, var(--tint, var(--accent)) 62%, var(--ink));
  letter-spacing: .1em;
  transition: transform .25s var(--ease-out);
}
.goods-card:hover .goods-go { transform: translateX(4px); }
/* 带附件的文件夹卡：div 卡 + 脚注里的动作链接（打开 / 下载可并排） */
.goods-go-group { display: inline-flex; gap: 12px; align-items: center; }
.goods-card a.goods-go { text-decoration: none; }
.goods-card a.goods-go:hover { text-decoration: underline; }

/* 空状态 / 筛选后空分类 */
.goods-empty {
  margin-top: clamp(36px, 6vh, 60px);
  padding: clamp(38px, 7vh, 64px) 24px;
  text-align: center;
  background: var(--paper-3);
  border: 1.5px dashed var(--rule-strong);
  border-radius: 18px;
}
.goods-empty > span { display: block; font-size: 40px; margin-bottom: 12px; }
.goods-empty b { display: block; font-family: var(--serif); font-size: 19px; color: var(--ink); }
.goods-empty p { font-size: 13.5px; color: var(--muted); margin-top: 8px; }
.goods-empty .btn { margin-top: 18px; }

/* ---------- 文章评论表单：基础宽度（textarea 等样式见下方评论区） ---------- */

.comment-form { max-width: 760px; margin-top: 28px; }

/* ---------- 后台：账号中心 ---------- */

.account-grid {
  display: grid; gap: 18px; max-width: 760px;
}
.account-grid .form-card h2 {
  font-family: var(--serif); font-size: 17px;
  margin-bottom: 16px;
}
.account-grid .form-card form { display: grid; gap: 14px; justify-items: start; }
.avatar-row { display: flex; gap: 22px; align-items: flex-start; }
.account-avatar {
  width: 64px; height: 64px; flex: none;
  border-radius: 50%; object-fit: cover;
  border: 2px solid var(--rule-strong);
}
.account-avatar.avatar-fallback { font-size: 26px; }
.avatar-row form { flex: 1; }

/* ---------- 文章详情 ---------- */

.article-head { max-width: 760px; margin: 0 auto clamp(24px, 4vh, 40px); }
.article-head .meta {
  display: flex; gap: 16px; flex-wrap: wrap; align-items: center;
  font-family: var(--mono); font-size: 12px;
  color: var(--muted); letter-spacing: .06em;
  margin-bottom: 14px;
}
.article-head .meta time { color: var(--accent-deep); }
.article-head h1 {
  font-family: var(--serif); font-size: clamp(30px, 4.8vw, 46px);
  line-height: 1.35; font-weight: 700; letter-spacing: .01em;
}
.article-head .summary {
  margin-top: 16px; color: var(--ink-soft);
  border-left: 3px solid var(--accent); padding: 2px 0 2px 16px;
  font-size: 15px; line-height: 1.95;
}

.draft-flag {
  display: inline-block; font-family: var(--mono);
  font-size: 11px; font-weight: 700; letter-spacing: .1em;
  color: #8a6d1f; background: #fdf6e0; border: 1px solid #f0e0a8;
  border-radius: 999px; padding: 2px 11px;
}

.cat-flag {
  display: inline-block; font-family: var(--mono);
  font-size: 11px; font-weight: 700; letter-spacing: .1em;
  color: var(--accent-deep); background: var(--paper-2);
  border: 1px solid var(--rule-strong);
  border-radius: 999px; padding: 2px 11px;
}

.post-body {
  max-width: 760px; margin: 0 auto;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: clamp(26px, 4.5vw, 48px);
  font-size: 16px; line-height: 2.05;
}
.post-body > * + * { margin-top: 1.1em; }
.post-body h1, .post-body h2, .post-body h3 {
  font-family: var(--serif); line-height: 1.45; margin-top: 1.8em;
  letter-spacing: .01em;
}
.post-body h1 { font-size: 26px; }
.post-body h2 {
  font-size: 22px; padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}
.post-body h2::before {
  content: "§ "; color: var(--accent); font-weight: 500;
}
.post-body h3 { font-size: 18.5px; }
.post-body a {
  color: var(--accent-deep);
  text-decoration: underline;
  text-decoration-color: rgba(13, 159, 134, .4);
  text-underline-offset: 3px;
}
.post-body a:hover { text-decoration-color: var(--accent-deep); }
.post-body ul, .post-body ol { padding-left: 1.5em; }
.post-body li + li { margin-top: .35em; }
.post-body li::marker { color: var(--accent); }
.post-body blockquote {
  border-left: 3px solid var(--accent);
  background: var(--paper-2);
  padding: 12px 18px; border-radius: 0 10px 10px 0;
  color: var(--ink-soft);
}
.post-body code {
  font-family: var(--mono);
  font-size: .92em; background: var(--paper-2);
  padding: 2px 7px; border-radius: 6px;
}
.post-body pre {
  background: var(--code-bg); color: var(--code-fg);
  padding: 18px 20px; border-radius: 12px;
  overflow-x: auto; line-height: 1.65;
}
.post-body pre code { background: none; padding: 0; color: inherit; font-size: 13.5px; }
.post-body table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
.post-body th, .post-body td { border: 1px solid var(--rule); padding: 8px 12px; text-align: left; }
.post-body th { background: var(--paper-2); font-family: var(--mono); font-size: 12.5px; letter-spacing: .04em; }
.post-body img { border-radius: 10px; }
.post-body hr { border: none; border-top: 1px dashed var(--rule-strong); }

.back-row {
  max-width: 760px; margin: 26px auto 0; text-align: center;
}
.back-row a { color: var(--accent-deep); font-size: 14px; text-decoration: none; }
.back-row a:hover { text-decoration: underline; }

/* ---------- 评论区 ---------- */

.comments {
  max-width: 760px; margin: clamp(34px, 6vh, 56px) auto 0;
}
.comments h2 {
  display: flex; align-items: baseline; gap: 10px;
  font-family: var(--serif); font-size: 22px;
  padding-bottom: 12px; border-bottom: 2px solid var(--ink);
  margin-bottom: 18px;
}
.comments h2 span {
  color: var(--muted); font-size: 12px; font-weight: 400;
  font-family: var(--mono); letter-spacing: .1em;
}

.comment {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--paper-3); border: 1px solid var(--rule);
  border-radius: 12px; padding: 14px 16px; margin-bottom: 12px;
}
.comment-avatar {
  width: 38px; height: 38px; flex: none;
  border-radius: 50%; object-fit: cover;
  border: 1.5px solid var(--rule-strong);
}
span.comment-avatar {
  display: grid; place-items: center;
  background: var(--accent); color: var(--paper-3);
  font-weight: 700; font-size: 16px;
  border-color: var(--accent);
}
.comment-main { flex: 1; min-width: 0; }
.comment .who {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: 13px; color: var(--muted); margin-bottom: 6px;
}
.comment .who b { color: var(--ink); font-size: 14px; }
.comment .who time { margin-left: auto; font-family: var(--mono); font-size: 11.5px; letter-spacing: .04em; }
.comment .text { color: var(--ink-soft); font-size: 14.5px; white-space: pre-wrap; word-break: break-word; }

/* 贴主（UP 主）标签 */
.up-flag {
  display: inline-block; font-size: 10.5px; font-weight: 800; line-height: 1;
  color: #fff; background: #fb7299;
  padding: 3px 7px; border-radius: 6px;
  letter-spacing: .06em; transform: translateY(-1px);
}
.reply-to { font-size: 12px; color: var(--accent-deep); font-weight: 600; }

.comment-actions { margin-top: 8px; }
.comment-actions a {
  font-size: 12.5px; color: var(--muted); text-decoration: none;
}
.comment-actions a:hover { color: var(--accent-deep); }

/* 楼中楼：挂在顶层评论下，缩进 + 连接线 */
.comment-replies {
  margin: -4px 0 14px 25px;
  padding-left: 16px;
  border-left: 2px solid var(--rule);
  display: grid; gap: 8px;
}
.comment-replies .comment { margin-bottom: 0; padding: 12px 14px; }
.comment-reply .comment-avatar { width: 30px; height: 30px; }
.comment-reply span.comment-avatar { font-size: 13px; }
.comment-reply .text { font-size: 13.5px; }

/* 正在回复某条评论时的提示条 */
.replying-bar {
  display: flex; justify-content: space-between; align-items: center;
  gap: 10px;
  background: #eaf7f2; border: 1px solid var(--rule-strong);
  border-radius: 10px; padding: 9px 14px; margin-bottom: 12px;
  font-size: 13.5px; color: var(--ink-soft);
}
.replying-bar b { color: var(--accent-deep); }
.replying-bar a { font-size: 12.5px; color: var(--muted); }
.replying-bar a:hover { color: var(--danger); }

.login-to-comment {
  background: var(--paper-3); border: 1px dashed var(--rule-strong);
  border-radius: 12px; padding: 20px; text-align: center;
  color: var(--ink-soft); font-size: 14.5px;
}
.login-to-comment a { color: var(--accent-deep); font-weight: 600; }

.comment-form textarea {
  width: 100%; min-height: 110px; resize: vertical;
  font: inherit; font-size: 15px; color: var(--ink);
  background: var(--paper-3);
  border: 1px solid var(--rule-strong); border-radius: 12px;
  padding: 14px 16px; line-height: 1.7;
}
.comment-form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.comment-form .form-row { display: flex; justify-content: flex-end; align-items: center; margin-top: 10px; }
.comment-form .hint { font-size: 12.5px; color: var(--muted); margin-right: auto; }

/* ---------- 表单（登录/注册/后台） ---------- */

.form-card {
  max-width: 420px; margin: 0 auto;
  background: var(--paper-3);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: clamp(26px, 4vw, 40px);
}
.form-card.wide { max-width: 520px; }
.form-card h1 {
  font-family: var(--serif); font-size: 28px; margin-bottom: 6px;
}
.form-card .sub { color: var(--muted); font-size: 14px; margin-bottom: 24px; }

.field { margin-bottom: 18px; }
.field label {
  display: block; font-size: 13.5px; font-weight: 600;
  color: var(--ink-soft); margin-bottom: 7px;
}
.field input, .field textarea, .field select {
  width: 100%; font: inherit; font-size: 15px; color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--rule-strong); border-radius: 10px;
  padding: 11px 14px;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent;
}
.field .tip { font-size: 12.5px; color: var(--muted); margin-top: 5px; }
.field.check { display: flex; align-items: center; gap: 9px; }
.field.check input { width: auto; }
.field.check label { margin: 0; font-weight: 400; }

.btn {
  display: inline-block; border: none; text-decoration: none;
  background: var(--accent); color: #fff;
  font-size: 15px; font-weight: 600;
  padding: 12px 26px; border-radius: 999px;
  box-shadow: 3px 3px 0 rgba(14, 54, 48, .14);
  transition: background .15s, transform .15s, box-shadow .15s;
}
.btn:hover {
  background: var(--accent-deep);
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 rgba(14, 54, 48, .16);
}
.btn:active { transform: translate(1px, 1px); box-shadow: 2px 2px 0 rgba(14, 54, 48, .12); }
.btn.block { width: 100%; text-align: center; }
.btn.small { font-size: 13px; padding: 7px 16px; }
.btn.danger { background: var(--danger); }
.btn.danger:hover { background: #93351f; }
.btn.quiet {
  background: var(--paper-3); color: var(--ink-soft);
  border: 1px solid var(--rule-strong); box-shadow: none;
}
.btn.quiet:hover { color: var(--accent-deep); border-color: var(--accent); transform: none; }

.form-foot {
  margin-top: 20px; text-align: center;
  font-size: 14px; color: var(--muted);
}
.form-foot a { color: var(--accent-deep); font-weight: 600; text-decoration: none; }
.form-foot a:hover { text-decoration: underline; }

/* ---------- 错误页 ---------- */

.error-box { text-align: center; padding: clamp(40px, 10vh, 90px) 0; }
.error-box .code {
  font-family: var(--mono);
  font-size: clamp(64px, 14vw, 120px); font-weight: 700;
  color: var(--accent); line-height: 1; opacity: .85;
}
.error-box p { margin: 18px 0 26px; color: var(--ink-soft); font-size: 16px; }

/* ---------- 页脚：版权页 ---------- */

.site-foot {
  width: 100%; max-width: var(--maxw);
  margin: 0 auto clamp(20px, 3vh, 36px); padding: 26px var(--pad) 30px;
  border: 1px solid rgba(255, 255, 255, .7);
  border-radius: 20px;
  background: rgba(255, 255, 255, .5);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 11px; letter-spacing: .16em; color: var(--muted);
}
.foot-brand {
  display: flex; align-items: center; gap: 10px;
}
.foot-seal {
  display: block;
  width: 26px; height: 26px; flex: none;
  border-radius: 6px;
}
.foot-links { display: flex; gap: 18px; flex-wrap: wrap; }
.site-foot a { color: var(--muted); text-decoration: none; }
.site-foot a:hover { color: var(--accent-deep); }

/* ---------- 文章点赞 ---------- */

.like-row {
  display: flex; align-items: center; justify-content: center;
  gap: 14px; flex-wrap: wrap;
  margin: clamp(30px, 5vh, 46px) 0 6px;
}
.like-btn {
  display: inline-flex; align-items: center; gap: 9px;
  font: inherit; font-size: 15px; font-weight: 700;
  color: var(--ink-soft);
  background: var(--paper-3);
  border: 1.5px solid var(--rule-strong);
  border-radius: 999px; padding: 10px 24px;
  cursor: pointer;
  transition: color .25s, border-color .25s, background .25s, transform .15s, box-shadow .15s;
}
.like-heart-box {
  position: relative;
  display: inline-flex; align-items: center;
}
.like-btn .like-heart {
  font-size: 17px; line-height: 1;
  color: var(--rule-strong);
  transition: color .3s var(--ease-out);
}
.like-btn .like-label { letter-spacing: .08em; }
.like-btn:hover {
  border-color: var(--accent); color: var(--accent-deep);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(13, 159, 134, .16);
}
.like-btn:hover .like-heart { color: var(--accent); }

/* 已点赞：灰色爱心变红色 */
.like-btn.liked {
  color: #e03131; border-color: #f5c2c2; background: #fdf1f1;
}
.like-btn.liked .like-heart { color: #e03131; }

/* 心跳：缩小到 0.8 → 弹到 1.2（回弹曲线） → 收回 1，总时长 .6s */
.like-btn.pop .like-heart {
  animation: like-beat .6s cubic-bezier(.36, .07, .19, .97);
}
@keyframes like-beat {
  0%  { transform: scale(1); }
  22% { transform: scale(.8); animation-timing-function: cubic-bezier(.34, 1.56, .64, 1); }
  58% { transform: scale(1.2); }
  78% { transform: scale(.94); }
  100% { transform: scale(1); }
}

/* 爱心周围炸开的 8 个彩色小圆点：JS 生成并写入 --tx/--ty 飞散距离 */
.like-burst {
  position: absolute; left: 50%; top: 50%;
  width: 0; height: 0;
  pointer-events: none;
}
.like-burst i {
  position: absolute; left: -3px; top: -3px;
  width: 6px; height: 6px; border-radius: 50%;
  opacity: 0;
}
.like-btn.pop .like-burst i {
  animation: like-fly .55s ease-out forwards;
}
@keyframes like-fly {
  0% { transform: translate(0, 0) scale(1); opacity: 1; }
  70% { opacity: .85; }
  100% { transform: translate(var(--tx), var(--ty)) scale(.25); opacity: 0; }
}

/* 点赞数滚动窗：旧数字滑出、新数字滑入 */
.like-num {
  position: relative;
  display: inline-block;
  height: 1.3em; line-height: 1.3;
  min-width: 1.4ch;
  overflow: hidden;
  text-align: center;
}
.like-num .like-roll {
  display: block;
  transition: transform .32s var(--ease-out), opacity .32s var(--ease-out);
}

.like-tip { font-size: 12.5px; color: var(--muted); }

/* ---------- 响应式 ---------- */

@media (max-width: 900px) {
  .page-posts .post-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .goods-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .nav-row { padding-top: 8px; padding-bottom: 8px; }
  .nav-row { grid-template-columns: 1fr auto; }
  .site-nav {
    grid-column: 1 / -1; grid-row: 2; justify-self: stretch;
    display: flex; gap: 20px; overflow-x: auto; scrollbar-width: none;
  }
  .site-nav::-webkit-scrollbar { display: none; }
  /* iOS 对 fixed 背景的支持不可靠，小屏改为随页面滚动 */
  body { background-attachment: scroll, scroll, scroll; }
  .page-posts .post-list { grid-template-columns: 1fr; }
  .page-posts .post-row { min-height: 250px; }
  .post-row { grid-template-columns: 40px minmax(0, 1fr) auto; padding: 20px 4px 21px 0; }
  .post-row::before { left: -8px; }
  .post-row .row-sum { display: none; }
  .featured-card { padding: 26px 22px; }
  .cat-grid, .goods-grid { grid-template-columns: 1fr; }
  .goods-cap-en { display: none; }
  .goods-cap-idx { font-size: 24px; }
  .whoami { display: none; }
  .avatar-row { flex-direction: column; }
  .comment-replies { margin-left: 10px; padding-left: 10px; }
  .hero { min-height: 62vh; }
  .hero-inner { padding: 44px var(--pad); }
  body.home .hero { min-height: 100vh; min-height: 100svh; }
  /* 小屏展开改为上下排布：标题层回归文档流居中在上，玻璃框全宽在下 */
  .hero-stage { position: relative; inset: auto; }
  /* 基础态两个面板都收进右侧 0 宽列，避免注册面板多占一行 */
  .hero-reg { grid-column: 2; grid-row: 1; }
  .hero.login-open, .hero.register-open {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr);
    padding: 96px var(--pad) 0;
  }
  .hero.login-open .hero-stage, .hero.register-open .hero-stage {
    grid-column: 1; grid-row: 1;
    text-align: center;
    padding: 0 0 14px;
  }
  .hero.login-open .hero-login, .hero.register-open .hero-reg {
    grid-column: 1; grid-row: 2;
    justify-self: center;
    align-self: start;
    margin-bottom: 44px;
    transform: translateY(24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .will-reveal, .will-reveal.in { opacity: 1; transform: none; transition: none; }
  .post-row::before, .site-nav a::after, .btn, .brand .seal { transition: none; }
  .featured-card, .cat-card, .goods-card { transition: none; }
  .like-btn.pop .like-heart, .like-btn.pop .like-burst i { animation: none; }
  .like-num .like-roll { transition: none; }
  .hero, .hero-login, .hero-reg { transition: none; }
  .login-modal::before, .login-modal-card { animation: none; }
}

@media print {
  body { background: #fff; }
  .site-head, .site-foot, .flashes, .pager, .back-row, .comments, .hero { display: none; }
}
.comment-actions .comment-del { color: #c0392b; }