/* ============================================================================
   科研星河 · 朱砂典籍 Vermilion Canon — 全新设计系统 v2
   ----------------------------------------------------------------------------
   方向:现代学术典籍。宣纸/墨色双主题,朱砂印章 + 洒金规线 + 展示级衬线。
   与旧版(海军蓝极客风)完全切割;内容、DOM 钩子、JS 模块保持不变。
   本文件为唯一样式表(替代 style.css / article.css / filters.css)。
   ============================================================================ */

/* ---------- 设计令牌 ---------- */
:root {
  color-scheme: light;

  /* 纸与墨 */
  --bg: #f3eee3;
  --bg-deep: #eae3d2;
  --card: #fbf8f0;
  --ink: #262019;
  --ink-2: #6e6053;
  --ink-3: #8d7f6f;

  /* 朱砂与洒金 */
  --cinnabar: #b3371f;
  --cinnabar-deep: #8f2413;
  --cinnabar-wash: rgba(179, 55, 31, 0.07);
  --cinnabar-15: rgba(179, 55, 31, 0.15);
  --cinnabar-30: rgba(179, 55, 31, 0.3);
  --cinnabar-45: rgba(179, 55, 31, 0.45);
  --gold: #8a6420;
  --gold-bright: #b98a2f;

  --on-cinnabar: #fdf8ef;
  --on-cinnabar-2: rgba(253, 248, 239, 0.75);

  /* 反白带(统计) */
  --band-bg: #221b14;
  --band-ink: #efe6d6;
  --band-ink-2: #b9ab97;

  --hairline: rgba(38, 32, 25, 0.16);
  --hairline-strong: rgba(38, 32, 25, 0.34);

  --shadow-1: 0 1px 2px rgba(38, 32, 25, 0.07), 0 4px 14px rgba(38, 32, 25, 0.05);
  --shadow-2: 0 2px 6px rgba(38, 32, 25, 0.08), 0 14px 34px rgba(38, 32, 25, 0.11);

  --font-display: "Playfair Display", "Noto Serif SC", Georgia, "STSong", "SimSun", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Consolas, monospace;

  --container: 1160px;
  --radius: 6px;
  --speed: 220ms;
}

[data-theme="dark"] {
  color-scheme: dark;

  --bg: #17120e;
  --bg-deep: #100c09;
  --card: #201a14;
  --ink: #efe6d6;
  --ink-2: #a99a85;
  --ink-3: #877a68;

  --cinnabar: #e2694b;
  --cinnabar-deep: #c4502f;
  /* 暗色下按钮 hover 向亮转,保证 on-cinnabar 深字 ≥4.5:1 */
  --cinnabar-hover: #ec8663;
  --cinnabar-wash: rgba(226, 105, 75, 0.09);
  --cinnabar-15: rgba(226, 105, 75, 0.18);
  --cinnabar-30: rgba(226, 105, 75, 0.35);
  --cinnabar-45: rgba(226, 105, 75, 0.5);
  --gold: #d9a85c;
  --gold-bright: #e5bd77;

  --on-cinnabar: #1c120c;
  --on-cinnabar-2: rgba(28, 18, 12, 0.78);

  --band-bg: #100c09;
  --band-ink: #efe6d6;
  --band-ink-2: #a99a85;

  --hairline: rgba(239, 230, 214, 0.14);
  --hairline-strong: rgba(239, 230, 214, 0.32);

  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 14px rgba(0, 0, 0, 0.3);
  --shadow-2: 0 2px 6px rgba(0, 0, 0, 0.45), 0 14px 34px rgba(0, 0, 0, 0.5);
}

/* 深色底抗锯齿(typography 规范) */
[data-theme="dark"] body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- 基础 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html.app-loading {
  background: var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.01em;
  /* 100vw 全出血带在含滚动条的桌面端会溢出约一个滚动条宽度,裁掉 */
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--cinnabar-30);
}

:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
  border-radius: 2px;
}

img {
  max-width: 100%;
}

/* JS 注入前的加载遮蔽(等价旧 style.css 行为) */
.app-loading #navbar,
.app-loading #footer-placeholder,
.app-loading .main-content {
  visibility: hidden;
}

/* 跳转链接 */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--cinnabar);
  color: var(--on-cinnabar);
  padding: 0.6rem 1.2rem;
  border-radius: 0 0 var(--radius) 0;
  text-decoration: none;
}

.skip-link:focus {
  left: 0;
}

/* 旧粒子背景:整体弃用 */
.bg-effects {
  display: none;
}

/* ---------- 版心 ---------- */
.main-content {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.section {
  padding: 4.2rem 0 1rem;
}

/* ---------- 导航:典籍书眉 ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hairline);
  box-shadow: 0 4px 0 -3px var(--hairline);
  transition: box-shadow var(--speed), background var(--speed);
}

.navbar.scrolled {
  background: color-mix(in srgb, var(--bg) 96%, transparent);
  box-shadow: 0 4px 0 -3px var(--hairline-strong), 0 10px 30px rgba(38, 32, 25, 0.08);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.22rem;
  letter-spacing: 0.12em;
  color: var(--ink);
  text-decoration: none;
}

/* 印章 logo */
.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  background: var(--cinnabar);
  color: var(--on-cinnabar);
  border-radius: 5px;
  font-size: 1rem;
  box-shadow: inset 0 0 0 1.5px var(--on-cinnabar-2), 0 2px 8px var(--cinnabar-30);
  transform: rotate(-2deg);
  transition: transform var(--speed);
}

.nav-logo:hover .logo-icon {
  transform: rotate(0deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  background-image: linear-gradient(var(--cinnabar), var(--cinnabar));
  background-repeat: no-repeat;
  background-position: left calc(100% - 2px);
  background-size: 0% 2px;
  transition: color var(--speed), background-size var(--speed);
}

.nav-links a:hover {
  color: var(--cinnabar);
  background-size: 100% 2px;
}

.nav-links a.active {
  color: var(--cinnabar);
  font-weight: 700;
  background-size: 100% 2px;
}

#themeToggle {
  margin-left: 0.4rem;
  width: 2.3rem;
  height: 2.3rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--ink);
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color var(--speed), transform var(--speed);
}

#themeToggle:hover {
  border-color: var(--cinnabar-45);
  transform: rotate(12deg);
}

/* 移动端汉堡 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.4rem;
  height: 2.4rem;
  padding: 0.5rem;
  background: none;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
  transition: transform var(--speed), opacity var(--speed);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero:典籍封面 ---------- */
.hero {
  padding: 4.5rem 0 3.5rem;
}

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3rem;
  align-items: center;
}

.hero-text {
  max-width: 40em;
}

/* 眉题:朱线 + 字距 */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0;
  border: 0;
  background: none;
  color: var(--cinnabar);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.32em;
}

.hero-badge::before {
  content: "";
  width: 2.4rem;
  height: 2px;
  background: var(--cinnabar);
}

.hero-badge i {
  font-size: 0.85rem;
}

.hero h1 {
  margin: 1.1rem 0 1.2rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 1.9rem + 3.4vw, 4.1rem);
  line-height: 1.18;
  letter-spacing: 0.02em;
  text-wrap: balance;
}

/* 朱笔重音:朱砂字 + 底部笔触 */
.hero h1 .accent {
  color: var(--cinnabar);
  background-image: linear-gradient(var(--cinnabar-30), var(--cinnabar-30));
  background-repeat: no-repeat;
  background-size: 100% 0.16em;
  background-position: 0 92%;
}

.hero p {
  color: var(--ink-2);
  font-size: 1.06rem;
  max-width: 36em;
  text-wrap: pretty;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

/* 右侧竖排书脊 + 巨印 */
.hero-side {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
  padding-left: 2.4rem;
  border-left: 1px solid var(--hairline);
  min-height: 21rem;
  justify-content: space-between;
}

.hero-vertical {
  writing-mode: vertical-rl;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.55em;
  color: var(--ink-2);
}

.hero-seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4.6rem;
  height: 4.6rem;
  background: var(--cinnabar);
  color: var(--on-cinnabar);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2.5rem;
  line-height: 1;
  border-radius: 8px;
  box-shadow: inset 0 0 0 2.5px var(--on-cinnabar-2), inset 0 0 0 5px var(--cinnabar), 0 8px 24px var(--cinnabar-30);
  transform: rotate(-3deg);
}

/* 巨型底纹字 */
.hero-side::after {
  content: "研";
  position: absolute;
  right: -3.2rem;
  bottom: -4.5rem;
  z-index: -1;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 15rem;
  line-height: 1;
  color: var(--ink);
  opacity: 0.045;
  pointer-events: none;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.78rem 1.6rem;
  border: 1.5px solid transparent;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--speed), color var(--speed), border-color var(--speed),
    transform var(--speed), box-shadow var(--speed);
}

.btn i {
  font-size: 0.9em;
}

.btn-primary {
  background: var(--cinnabar);
  color: var(--on-cinnabar);
}

.btn-primary:hover {
  background: var(--cinnabar-hover, var(--cinnabar-deep));
  transform: translateY(-2px);
  box-shadow: 0 8px 22px var(--cinnabar-30);
}

.btn-outline {
  background: transparent;
  border-color: var(--hairline-strong);
  color: var(--ink);
}

.btn-outline:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bg);
  transform: translateY(-2px);
}

/* ---------- 区块标题: seal + 规线 + 菱形 ---------- */
.section-header {
  margin-bottom: 2.4rem;
}

.section-header h2 {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 1.35rem + 1vw, 2.1rem);
  letter-spacing: 0.06em;
  text-wrap: balance;
}

/* 朱印方点 */
.section-header h2::before {
  content: "";
  flex: none;
  width: 0.62em;
  height: 0.62em;
  background: var(--cinnabar);
  border-radius: 2px;
  box-shadow: inset 0 0 0 1.5px var(--on-cinnabar-2);
  transform: rotate(-2deg);
}

.section-header p {
  margin: 0.55rem 0 0;
  color: var(--ink-2);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
}

/* 洒金规线:细线 + 中央菱形 */
.section-divider {
  position: relative;
  width: min(520px, 100%);
  height: 1px;
  margin-top: 1.1rem;
  background: var(--hairline);
}

.section-divider::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 7px;
  height: 7px;
  background: var(--bg);
  border: 1.5px solid var(--gold);
  transform: translate(-50%, -50%) rotate(45deg);
}

/* ---------- 卡片:纸面 + 朱笔悬停 ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

/* 朱笔顶线:悬停时从左划出 */
.feature-card,
.info-card,
.tool-card,
.research-detail-card {
  position: relative;
  overflow: hidden;
}

.feature-card::before,
.tool-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--cinnabar);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.32s ease;
}

.feature-card:hover::before,
.tool-card:hover::before {
  transform: scaleX(1);
}

.feature-card,
.info-card {
  padding: 2rem 1.8rem;
  transition: transform var(--speed), box-shadow var(--speed), border-color var(--speed);
}

.feature-card:hover,
.info-card:hover {
  transform: translateY(-4px);
  border-color: var(--cinnabar-45);
  box-shadow: var(--shadow-2);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.6rem;
}

.features-grid > a {
  text-decoration: none;
  color: inherit;
}

.features-grid > a > .card {
  height: 100%;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.1rem;
  height: 3.1rem;
  margin-bottom: 1.2rem;
  background: var(--cinnabar-wash);
  border: 1px solid var(--cinnabar-30);
  border-radius: var(--radius);
  color: var(--cinnabar);
  font-size: 1.15rem;
}

.feature-card h3,
.link-card h3,
.project-card h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
}

.feature-card p,
.link-card p,
.project-card p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.95rem;
  line-height: 1.85;
}

/* ---------- 统计:网格基础 + 反白典籍带(仅首页数字块;人物页 .grid-stats 为普通卡) ---------- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2.4rem 1.5rem;
}

.info-grid:not(.grid-stats) {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding: 3.6rem max(2rem, calc(50vw - var(--container) / 2 + 1.5rem));
  background: var(--band-bg);
  border-block: 1px solid var(--hairline);
}

.info-card {
  background: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  text-align: center;
  padding: 0;
}

.info-card:hover {
  transform: none;
  box-shadow: none;
}

.info-number {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 3.7rem;
  line-height: 1;
  color: var(--band-ink);
  font-variant-numeric: tabular-nums;
}

/* 朱砂短规线在数字上方 */
.info-number::before {
  content: "";
  display: block;
  width: 2.4rem;
  height: 3px;
  margin: 0 auto 1rem;
  background: var(--cinnabar);
}

.info-label {
  margin-top: 0.7rem;
  color: var(--band-ink-2);
  font-size: 0.9rem;
  letter-spacing: 0.14em;
}

/* 人物页图标型 info-card */
.stat-icon {
  font-size: 1.7rem;
  color: var(--gold);
  margin-bottom: 0.7rem;
}

.grid-stats .info-card {
  border: 1px solid var(--hairline);
  background: var(--card);
  padding: 1.8rem 1rem;
  border-radius: var(--radius);
  color: var(--ink);
}

.grid-stats .info-label {
  color: var(--ink-2);
  margin-top: 0;
}

/* ---------- 页脚:典籍封底 ---------- */
.footer {
  background: var(--band-bg);
  border-top: 1px solid var(--hairline);
  box-shadow: inset 0 5px 0 -4px var(--cinnabar-45);
  padding: 2.2rem 1.5rem;
}

.footer .copyright {
  margin: 0;
  text-align: center;
  color: var(--band-ink-2);
  font-size: 0.88rem;
  letter-spacing: 0.22em;
}

/* ---------- 博客页 ---------- */
.blog-hero,
.links-hero,
.profile-hero {
  padding: 4.2rem 0 1rem;
  text-align: left;
  max-width: 100%;
}

.blog-hero h1,
.links-hero h1,
.profile-hero .profile-name {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 1.6rem + 2vw, 2.9rem);
  letter-spacing: 0.04em;
}

.blog-hero h1 i,
.links-hero h1 i {
  color: var(--cinnabar);
  font-size: 0.8em;
}

.blog-hero p,
.links-hero p,
.profile-hero .profile-title,
.profile-hero .profile-dept {
  color: var(--ink-2);
  letter-spacing: 0.1em;
}

.profile-hero .profile-title {
  margin: 0.4rem 0 0;
  color: var(--cinnabar);
  font-weight: 700;
  font-size: 0.95rem;
}

/* 筛选芯片:方印风格 */
.filter-chip-bar,
.series-chip-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.6rem;
}

.filter-chip,
.series-chip {
  padding: 0.42rem 1.05rem;
  border: 1px solid var(--hairline-strong);
  border-radius: 4px;
  background: var(--card);
  color: var(--ink-2);
  font-family: inherit;
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all var(--speed);
}

.filter-chip:hover,
.series-chip:hover {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
}

.filter-chip[aria-pressed="true"],
.series-chip[aria-pressed="true"] {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: var(--on-cinnabar);
  font-weight: 700;
}

/* 搜索栏 */
.blog-search-bar {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  max-width: 560px;
  margin-top: 1.4rem;
  padding: 0.55rem 0.9rem;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  transition: border-color var(--speed), box-shadow var(--speed);
}

.blog-search-bar:focus-within {
  border-color: var(--cinnabar);
  box-shadow: 0 0 0 3px var(--cinnabar-15);
}

.blog-search-icon {
  color: var(--ink-3);
}

.blog-search-input {
  flex: 1;
  border: 0;
  background: none;
  color: var(--ink);
  font-family: inherit;
  font-size: 0.98rem;
  outline: none;
}

.blog-search-input::placeholder {
  color: var(--ink-3);
}

.sort-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  background: none;
  color: var(--ink-2);
  cursor: pointer;
  transition: all var(--speed);
}

.sort-toggle.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
}

.blog-search-clear {
  border: 0;
  background: none;
  color: var(--ink-3);
  cursor: pointer;
  font-size: 0.95rem;
}

.blog-search-clear:hover {
  color: var(--cinnabar);
}

.filter-count {
  margin-top: 1rem;
  min-height: 1.5em;
  color: var(--ink-2);
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
}

/* ---------- 博客卡片(JS 渲染 DOM,样式全接管) ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.6rem;
}

.blog-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.blog-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  transition: transform var(--speed), box-shadow var(--speed), border-color var(--speed);
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--cinnabar-45);
  box-shadow: var(--shadow-2);
}

.blog-card-img {
  height: 138px;
  overflow: hidden;
  border-bottom: 1px solid var(--hairline);
  background: var(--bg-deep);
}

.blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  /* 封面 SVG 融入墨纸色系:去饱和 + 暖调,悬停复原 */
  filter: grayscale(0.92) sepia(0.3) contrast(0.92) brightness(1.02);
  transition: filter 0.45s ease, transform 0.45s ease;
}

.blog-card:hover .blog-card-img img {
  filter: none;
  transform: scale(1.045);
}

.blog-card-img i {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  font-size: 2.6rem;
  color: var(--ink-3);
}

/* 墨色主题:封面同步压暗,避免灰白块浮在墨纸上 */
[data-theme="dark"] .blog-card-img img {
  filter: grayscale(0.92) sepia(0.3) contrast(0.95) brightness(0.5);
}

.blog-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.25rem 1.35rem 1.1rem;
}

.blog-category {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--cinnabar);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.blog-category::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--cinnabar);
  border-radius: 1.5px;
  transform: rotate(-2deg);
}

/* 分类色在墨纸体系中统一为朱砂,不再使用八色 */
.blog-category[data-cat] {
  color: var(--cinnabar) !important;
}

.blog-series-tag {
  align-self: flex-start;
  margin-top: 0.45rem;
  padding: 0.1rem 0.6rem;
  border: 1px solid var(--gold);
  border-radius: 999px;
  color: var(--gold);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
}

.blog-card h3 {
  margin: 0.7rem 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.18rem;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.blog-card p {
  margin: 0 0 1rem;
  color: var(--ink-2);
  font-size: 0.9rem;
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-footer {
  display: flex;
  gap: 1.2rem;
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--hairline);
  color: var(--ink-2);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}

/* 加载/空态 */
.blog-loading,
.articles-loading,
.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--ink-2);
  letter-spacing: 0.1em;
}

.blog-loading i,
.articles-loading-icon {
  font-size: 1.5rem;
  color: var(--cinnabar);
}

.hidden {
  display: none !important;
}

.noscript-notice {
  color: var(--ink-2);
  text-align: center;
}

.articles-error-card {
  text-align: center;
  padding: 2.5rem;
  color: var(--cinnabar);
}

#articles-more {
  text-align: center;
  margin-top: 2rem;
}

/* ---------- 资源导航 ---------- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 1.5rem;
}

.tool-card {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1.4rem 1.5rem;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  transition: transform var(--speed), box-shadow var(--speed), border-color var(--speed);
}

.tool-card:hover {
  transform: translateY(-3px);
  border-color: var(--cinnabar-45);
  box-shadow: var(--shadow-2);
}

.tool-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: 0.03em;
}

.tool-card-desc {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.9rem;
  line-height: 1.8;
}

.tool-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
}

.tool-tag {
  padding: 0.08rem 0.65rem;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: var(--bg-deep);
  color: var(--ink-2);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
}

.tool-visit-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.2rem;
  border: 1.5px solid var(--cinnabar);
  border-radius: 4px;
  background: none;
  color: var(--cinnabar);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: all var(--speed);
}

.tool-visit-btn:hover {
  background: var(--cinnabar);
  color: var(--on-cinnabar);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.section--no-top-pad {
  padding-top: 0;
}

/* ---------- 人物页 ---------- */
.profile-photo {
  width: 112px;
  height: 112px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  margin: 0 auto 1.4rem;
  display: block;
  border: 3px solid var(--cinnabar-30);
  box-shadow: 0 6px 24px var(--cinnabar-15);
}

.profile-photo--alt {
  object-position: center 20%;
}

.profile-role {
  margin: 0 0 0.8rem;
  color: var(--cinnabar);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.28em;
}

.feature-card .btn-outline {
  margin-top: 1.4rem;
}

/* ---------- 文章页:期刊排版 ---------- */
.article-breadcrumb {
  padding: 2.2rem 0 0;
}

.article-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--ink-2);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

.article-breadcrumb li + li::before {
  content: "/";
  margin: 0 0.45rem;
  color: var(--hairline-strong);
}

.article-breadcrumb a {
  color: var(--ink-2);
  text-decoration: none;
}

.article-breadcrumb a:hover {
  color: var(--cinnabar);
}

.article-breadcrumb [aria-current="page"] span {
  color: var(--cinnabar);
}

.article-container {
  max-width: 740px; /* ≈45 字/行,CJK 舒适行长上限 */
  margin: 0 auto;
  padding-top: 2.4rem;
}

.article-header h1 {
  margin: 0 0 1.2rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 1.5rem + 2.4vw, 2.9rem);
  line-height: 1.3;
  letter-spacing: 0.02em;
  text-wrap: balance;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  padding: 0.8rem 0;
  border-block: 1px solid var(--hairline);
  color: var(--cinnabar);
  font-size: 0.86rem;
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
}

.article-meta i {
  margin-right: 0.35rem;
  opacity: 0.8;
}

.article-content {
  padding-top: 1.6rem;
  font-size: 1.02rem;
  line-height: 2.05;
}

.article-content p {
  margin: 0 0 1.35em;
  text-wrap: pretty;
}

/* 首字下沉:朱砂典籍款 */
.article-content > p:first-of-type::first-letter {
  float: left;
  margin: 0.08em 0.16em 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 3.4em;
  line-height: 0.85;
  color: var(--cinnabar);
}

.article-content h2 {
  margin: 2.4em 0 0.9em;
  padding-left: 0.7em;
  border-left: 4px solid var(--cinnabar);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.52rem;
  line-height: 1.4;
  letter-spacing: 0.04em;
  text-wrap: balance;
}

.article-content h3 {
  margin: 1.8em 0 0.6em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: 0.05em;
}

.article-content h3::before {
  content: "§ ";
  color: var(--gold);
  font-weight: 700;
}

.article-content strong {
  font-weight: 700;
  color: var(--ink);
}

.article-content a {
  color: var(--cinnabar);
  text-decoration: underline;
  text-decoration-color: var(--cinnabar-45);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
  transition: color var(--speed);
}

.article-content a:hover {
  color: var(--cinnabar-deep);
  text-decoration-color: var(--cinnabar);
}

/* 朱批引文 */
.article-content blockquote {
  margin: 1.6em 0;
  padding: 1.1em 1.4em;
  background: var(--cinnabar-wash);
  border-left: 3px solid var(--cinnabar);
  border-radius: 0 4px 4px 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.95;
  color: var(--ink);
}

.article-content blockquote p {
  margin: 0;
}

.article-content blockquote::before {
  content: "「";
  display: block;
  font-size: 1.6em;
  line-height: 0.6;
  color: var(--cinnabar);
  opacity: 0.55;
  margin-bottom: 0.35em;
}

/* 行内代码与代码块 */
.article-content code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-deep);
  border: 1px solid var(--hairline);
  border-radius: 3px;
  padding: 0.1em 0.4em;
  font-variant-numeric: tabular-nums;
}

.article-content pre {
  background: var(--band-bg);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
  overflow-x: auto;
}

.article-content pre code {
  background: none;
  border: 0;
  padding: 0;
  color: var(--band-ink);
  font-size: 0.88rem;
  line-height: 1.75;
}

/* 代码复制按钮(code-enhancements.js 注入) */
.code-copy-btn {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--hairline-strong);
  border-radius: 4px;
  background: var(--card);
  color: var(--ink-2);
  font-family: inherit;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all var(--speed);
}

.code-copy-btn:hover {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
}

.code-copy-btn.copied {
  border-color: var(--cinnabar);
  background: var(--cinnabar);
  color: var(--on-cinnabar);
}

.article-content pre {
  position: relative;
}

/* 返回列表 */
.article-back {
  margin-top: 3rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--hairline);
}

.article-back a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.92rem;
  letter-spacing: 0.1em;
  transition: color var(--speed);
}

.article-back a:hover {
  color: var(--cinnabar);
}

/* ---------- 阅读增强(reading-enhancements.js 注入 DOM) ---------- */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 150;
  background: transparent;
  pointer-events: none;
}

.reading-progress-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cinnabar), var(--gold-bright));
}

.back-to-top {
  position: fixed;
  right: 1.6rem;
  bottom: 1.8rem;
  z-index: 140;
  width: 2.8rem;
  height: 2.8rem;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--ink);
  font-size: 0.95rem;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: all var(--speed);
}

.back-to-top.visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: var(--on-cinnabar);
}

/* 文章目录 */
.article-toc {
  position: fixed;
  top: 7.2rem;
  right: max(1rem, calc(50vw - var(--container) / 2 - 210px));
  z-index: 90;
  width: 15.5rem;
  max-height: 70vh;
  overflow-y: auto;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  padding: 0.9rem 1rem;
  font-size: 0.85rem;
}

.article-toc-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--ink);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--hairline);
}

.article-toc-toggle {
  border: 0;
  background: none;
  color: var(--ink-2);
  cursor: pointer;
  font-size: 0.8rem;
  letter-spacing: 0;
}

.article-toc-toggle::before {
  content: "收起";
}

.article-toc.collapsed .article-toc-toggle::before {
  content: "展开";
}

.article-toc.collapsed .article-toc-list {
  display: none;
}

.article-toc-list {
  margin: 0.6rem 0 0;
  padding: 0;
  list-style: none;
}

.article-toc-item {
  margin: 0.15rem 0;
  border-left: 2px solid transparent;
}

.article-toc-item--h3 {
  padding-left: 1.1rem;
}

.article-toc-item a {
  display: block;
  padding: 0.22rem 0.5rem;
  color: var(--ink-2);
  text-decoration: none;
  line-height: 1.55;
  transition: color var(--speed);
}

.article-toc-item a:hover {
  color: var(--cinnabar);
}

.article-toc-item.active {
  border-left-color: var(--cinnabar);
}

.article-toc-item.active a {
  color: var(--cinnabar);
  font-weight: 700;
}

/* 复制提示 */
#copy-toast {
  position: fixed;
  left: 50%;
  bottom: 2.2rem;
  transform: translateX(-50%) translateY(12px);
  z-index: 160;
  padding: 0.6rem 1.4rem;
  background: var(--band-bg);
  border: 1px solid var(--hairline-strong);
  border-radius: 4px;
  color: var(--band-ink);
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--speed), transform var(--speed);
}

#copy-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- 入场动画 ---------- */
html.app-loaded .animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

html.app-loaded .animate-on-scroll.visible {
  opacity: 1;
  transform: none;
}

.hero-text > * {
  animation: rise 0.7s ease both;
}

.hero-text > *:nth-child(2) {
  animation-delay: 0.08s;
}

.hero-text > *:nth-child(3) {
  animation-delay: 0.16s;
}

.hero-text > *:nth-child(4) {
  animation-delay: 0.24s;
}

.hero-side {
  animation: rise 0.9s 0.3s ease both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .article-toc {
    display: none;
  }
}

@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
  }

  .hero-side {
    display: none;
  }

  .hero-side::after {
    right: -1.5rem;
    bottom: -3rem;
    font-size: 10rem;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.6rem 1.5rem 1rem;
    background: var(--bg);
    border-bottom: 1px solid var(--hairline);
    box-shadow: 0 18px 30px rgba(38, 32, 25, 0.12);
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    display: block;
    padding: 0.7rem 0.4rem;
    border-bottom: 1px solid var(--hairline);
  }

  #themeToggle {
    margin: 0.6rem 0 0;
  }

  .section {
    padding: 3rem 0 0.6rem;
  }

  .info-grid {
    gap: 2rem 1rem;
    padding-block: 2.6rem;
  }

  .info-number {
    font-size: 2.9rem;
  }
}

@media (max-width: 480px) {
  .main-content {
    padding: 0 1.1rem 3rem;
  }

  .hero {
    padding-top: 3rem;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .blog-grid,
  .tools-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- 减少动画 ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero-text > *,
  .hero-side {
    animation: none;
  }

  html.app-loaded .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}

/* =================== 全站补全组件(人物详情页 / 照片墙 / 系列页) =================== */

/* ---------- 人物详情:头像 / 标签 / 工具类 ---------- */
.profile-avatar {
  display: block;
  width: 220px;
  height: 280px;
  object-fit: contain;
  margin: 0 0 1.5rem;
  padding: 0.6rem;
  background: var(--card);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
}

.profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.4rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.8rem;
  background: var(--cinnabar-wash);
  border: 1px solid var(--cinnabar-15);
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--cinnabar);
}

.section-compact {
  padding-top: 0;
}

.section-padded {
  padding: 2rem 2rem 5rem;
}

.line-height-loose {
  line-height: 2;
}

.mt-md {
  margin-top: 1rem;
}

.subsection-title {
  margin: 0 0 1.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
}

.subsection-title::before {
  content: "";
  display: inline-block;
  width: 0.5em;
  height: 0.5em;
  margin-right: 0.6rem;
  background: var(--cinnabar);
}

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.info-label--copyable {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* 复制按钮:跟随语境前景色的描边小方钮 */
.copy-btn {
  background: transparent;
  border: 1px solid currentColor;
  color: var(--ink-2);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  font-size: 0.85rem;
  line-height: 1;
  transition: color var(--speed) ease, border-color var(--speed) ease;
}

.copy-btn:hover {
  color: var(--cinnabar);
}

.copy-btn.copied {
  color: var(--gold);
}

.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  background: var(--band-bg);
  color: var(--band-ink);
  border: 1px solid var(--hairline-strong);
  box-shadow: inset 3px 0 0 var(--cinnabar);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 1100;
}

.toast.visible {
  opacity: 1;
}

/* ---------- 时间线:朱砂规线 + 印章菱形节点 ---------- */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2rem;
  bottom: 0.2rem;
  width: 2px;
  background: linear-gradient(180deg, var(--cinnabar), var(--cinnabar-15));
}

.timeline-item {
  position: relative;
  padding-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -2rem;
  top: 0.45rem;
  width: 9px;
  height: 9px;
  background: var(--cinnabar);
  transform: translateX(-3.5px) rotate(45deg);
}

.timeline-item .time {
  font-size: 0.85rem;
  color: var(--cinnabar);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.timeline-item .place {
  color: var(--ink);
  font-weight: 600;
  font-size: 1rem;
}

.timeline-item .detail {
  color: var(--ink-2);
  font-size: 0.92rem;
  line-height: 1.8;
}

/* ---------- 项目卡 ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.project-card {
  padding: 1.5rem;
  transition: transform var(--speed) ease, box-shadow var(--speed) ease;
}

.project-card:hover {
  transform: translateY(-2px);
}

.project-desc {
  color: var(--ink-2);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.project-fund {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--ink-2);
  margin-bottom: 0.5rem;
}

.project-meta-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.project-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--ink-2);
}

.project-status {
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 600;
}

.project-status.active {
  background: var(--cinnabar-wash);
  color: var(--cinnabar);
  border: 1px solid var(--cinnabar-15);
}

.project-status.completed {
  background: var(--bg-deep);
  color: var(--ink-2);
  border: 1px solid var(--hairline);
}

/* ---------- 研究方向:标签云 + 详情卡 ---------- */
.research-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.research-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--hairline);
  color: var(--ink);
  font-size: 0.88rem;
  text-decoration: none;
  transition: background var(--speed) ease, color var(--speed) ease, transform var(--speed) ease, border-color var(--speed) ease;
}

.research-tag:hover {
  background: var(--cinnabar-wash);
  border-color: var(--cinnabar-45);
  color: var(--cinnabar);
  transform: translateY(-2px);
}

.research-detail-card {
  padding: 1.6rem 1.8rem;
}

.research-detail-card:first-of-type {
  margin-top: 1.8rem;
}

.research-detail-card:not(:first-of-type) {
  margin-top: 1.2rem;
}

.research-detail-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.research-detail-card-header i {
  color: var(--cinnabar);
  font-size: 1.1rem;
}

.research-detail-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
}

.research-detail-card p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ---------- 论文表格 ---------- */
.paper-table {
  width: 100%;
  border-collapse: collapse;
}

.paper-table thead {
  background: var(--bg-deep);
}

.paper-table th {
  color: var(--ink);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
  border-bottom: 1px solid var(--hairline-strong);
}

.paper-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--hairline);
  color: var(--ink);
  font-size: 0.9rem;
  line-height: 1.6;
}

.paper-table tbody tr:nth-child(even) {
  background: var(--bg-deep);
}

.paper-table tbody tr {
  transition: background var(--speed) ease;
}

.paper-table tbody tr:hover {
  background: var(--cinnabar-wash);
}

.paper-table .paper-num {
  width: 3rem;
  text-align: center;
  color: var(--ink-3);
}

.paper-table .paper-title-col {
  line-height: 1.6;
}

.paper-table .paper-note {
  color: var(--gold);
  font-size: 0.8rem;
}

.paper-table .paper-if {
  text-align: center;
  font-weight: 600;
  color: var(--cinnabar);
  white-space: nowrap;
}

.paper-quartile {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
  vertical-align: middle;
  margin-left: 0.35rem;
  line-height: 1.4;
  background: var(--cinnabar-wash);
  color: var(--cinnabar);
  border: 1px solid var(--cinnabar-15);
}

.paper-badge.top {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  vertical-align: middle;
  margin-left: 0.25rem;
  line-height: 1.4;
  color: var(--gold);
  border: 1px solid var(--gold);
}

/* ---------- 照片墙:墨印相片,悬停显色 ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.gallery-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: var(--bg-deep);
  cursor: pointer;
  transition: border-color var(--speed) ease, transform var(--speed) ease;
}

.gallery-item:hover {
  border-color: var(--cinnabar-45);
  transform: translateY(-2px);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(0.85) sepia(0.25) contrast(0.95);
  transition: filter 0.45s ease;
}

.gallery-item:hover img {
  filter: none;
}

.photo-category-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 2px 8px;
  border-radius: 3px;
  background: rgba(20, 14, 9, 0.62);
  color: var(--band-ink);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  backdrop-filter: blur(4px);
  z-index: 1;
  pointer-events: none;
}

.photo-hover-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: linear-gradient(180deg, rgba(20, 14, 9, 0) 55%, rgba(20, 14, 9, 0.72) 100%);
  padding-bottom: 12px;
  opacity: 0;
  transition: opacity var(--speed) ease;
  z-index: 1;
  pointer-events: none;
}

.gallery-item:hover .photo-hover-overlay {
  opacity: 1;
}

.photo-hover-title {
  color: var(--band-ink);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.14em;
}

/* ---------- 灯箱:墨色幕布 + 方形印章钮 ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(16, 12, 9, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(8px);
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius);
  border: 1px solid var(--hairline-strong);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s ease;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: var(--band-bg);
  border: 1px solid var(--hairline-strong);
  color: var(--band-ink);
  cursor: pointer;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  transition: background var(--speed) ease, color var(--speed) ease, border-color var(--speed) ease;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: var(--on-cinnabar);
}

.lightbox-close {
  top: 1.5rem;
  right: 1.5rem;
}

.lightbox-prev {
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-counter {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--band-ink);
  font-size: 0.88rem;
  letter-spacing: 0.14em;
  background: var(--band-bg);
  padding: 0.4rem 1.2rem;
  border: 1px solid var(--hairline-strong);
}

/* ---------- 系列页(卷) ---------- */
.series-back {
  text-align: center;
  margin-bottom: 1.5rem;
}

.series-back a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-2);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: color var(--speed) ease;
}

.series-back a:hover {
  color: var(--cinnabar);
}

.series-hero {
  padding: 4rem 2rem 2rem;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.series-hero h1 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 1.5rem + 1.8vw, 2.6rem);
  letter-spacing: 0.06em;
  color: var(--ink);
}

.series-hero p {
  color: var(--ink-2);
  font-size: 1rem;
  line-height: 1.8;
  letter-spacing: 0.08em;
}

.series-article-list {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 2rem 2rem;
}

.series-article-item {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 1.4rem 1.5rem;
  margin-bottom: 1rem;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  transition: transform var(--speed) ease, border-color var(--speed) ease, box-shadow var(--speed) ease;
}

.series-article-item:hover {
  transform: translateY(-2px);
  border-color: var(--cinnabar-45);
  color: inherit;
}

.series-article-order {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 4px;
  background: var(--cinnabar);
  color: var(--on-cinnabar);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  margin-right: 1rem;
  flex-shrink: 0;
}

.series-article-header {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
}

.series-article-title {
  font-size: 1.08rem;
  color: var(--ink);
  font-weight: 700;
}

.series-article-excerpt {
  color: var(--ink-2);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.series-article-meta {
  display: flex;
  gap: 1.2rem;
  color: var(--ink-2);
  font-size: 0.85rem;
}

.series-loading {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--ink-2);
  letter-spacing: 0.1em;
}

.series-loading i {
  font-size: 1.4rem;
  animation: v2-spin 1s linear infinite;
}

@keyframes v2-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ---------- 补全组件响应式 ---------- */
@media (max-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .lightbox-prev {
    left: 0.5rem;
  }

  .lightbox-next {
    right: 0.5rem;
  }

  .series-hero {
    padding: 3rem 1rem 1.5rem;
  }

  .series-article-list {
    padding: 0 1rem 1.5rem;
  }

  .paper-table thead {
    display: none;
  }

  .paper-table tbody {
    display: block;
  }

  .paper-table tbody tr {
    display: block;
    padding: 0.8rem 0.5rem;
  }

  .paper-table tbody td {
    display: block;
    padding: 0.3rem 0.5rem;
    border-bottom: 0;
  }

  .paper-table .paper-if {
    white-space: normal;
  }
}