/* ============================================================
   导员在线 · 站点样式
   设计基调：白底 + 深蓝，中文杂志排版，长文可读性优先
   ============================================================ */

:root {
  /* 色彩 */
  --ink: #14171a;
  --ink-soft: #3d444c;
  --gray: #6b7280;
  --gray-light: #9aa1a9;
  --blue: #0f2a4a;
  --blue-deep: #0a1f38;
  --blue-soft: #eef2f8;
  --gold: #a67c3d;
  --line: #e5e7eb;
  --line-soft: #f0f1f3;
  --bg: #ffffff;
  --bg-warm: #faf9f6;

  /* 字体 */
  --serif: "Songti SC", "STSong", "Source Han Serif SC", "Noto Serif CJK SC", "SimSun", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;

  /* 尺寸 */
  --max: 1180px;
  --gutter: 40px;
  --radius: 2px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

::selection { background: var(--blue); color: #fff; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ============ 顶部细条 ============ */
.topbar {
  border-bottom: 1px solid var(--line-soft);
  background: var(--bg);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gray);
}
.topbar .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 38px;
}
.topbar .motto { letter-spacing: .22em; }
.topbar .date { font-variant-numeric: tabular-nums; }

/* ============ 页头 ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.brand-name {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--blue-deep);
  line-height: 1;
}
.brand-sub {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gray-light);
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav a {
  position: relative;
  font-size: 14.5px;
  letter-spacing: .06em;
  color: var(--ink-soft);
  padding: 6px 0;
  transition: color .25s;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1.5px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s cubic-bezier(.4,0,.2,1);
}
.nav a:hover { color: var(--blue); }
.nav a:hover::after,
.nav a.active::after { transform: scaleX(1); }
.nav a.active { color: var(--blue); font-weight: 500; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--ink);
  transition: transform .3s, opacity .3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ============ 首屏 ============ */
.hero {
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--line-soft);
}
.hero-author {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 30px;
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--gray);
}
.hero-author img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line);
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--blue);
  margin-bottom: 34px;
}
.hero-eyebrow::before {
  content: "";
  width: 34px; height: 1px;
  background: var(--blue);
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(40px, 6.4vw, 78px);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: .06em;
  margin: 0 0 32px;
  color: var(--ink);
}
.hero h1 .light { color: var(--gray); }
.hero-lead {
  max-width: 620px;
  font-size: 16.5px;
  line-height: 2;
  color: var(--ink-soft);
  margin: 0 0 40px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--gray-light);
}
.hero-meta strong {
  display: block;
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: .02em;
  color: var(--blue-deep);
  font-weight: 600;
  margin-bottom: 4px;
}

/* ============ 通用章节头 ============ */
.section {
  padding: 84px 0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 22px;
  border-bottom: 1.5px solid var(--ink);
  margin-bottom: 48px;
}
.section-title {
  font-family: var(--serif);
  font-size: 27px;
  letter-spacing: .1em;
  font-weight: 600;
  margin: 0;
  color: var(--blue-deep);
}
.section-title small {
  display: block;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--gray-light);
  font-weight: 400;
  margin-top: 8px;
  text-transform: uppercase;
}
.section-more {
  font-size: 13px;
  color: var(--gray);
  letter-spacing: .08em;
  white-space: nowrap;
  border-bottom: 1px solid transparent;
  transition: color .25s, border-color .25s;
}
.section-more:hover { color: var(--blue); border-color: var(--blue); }

/* ============ 头条 + 快讯 ============ */
.feature {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 64px;
  align-items: start;
}
.feature-main { display: block; }
.feature-kicker {
  font-size: 11.5px;
  letter-spacing: .22em;
  color: var(--gold);
  margin-bottom: 20px;
}
.feature-main h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.42;
  letter-spacing: .03em;
  font-weight: 600;
  margin: 0 0 22px;
  transition: color .25s;
}
.feature-main:hover h2 { color: var(--blue); }
.feature-main p {
  font-size: 15.5px;
  line-height: 2;
  color: var(--ink-soft);
  margin: 0 0 26px;
  max-width: 640px;
}
.feature-meta {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gray-light);
  display: flex;
  gap: 18px;
  align-items: center;
}
.feature-meta .dash { width: 20px; height: 1px; background: var(--line); }

.briefs { border-top: 1px solid var(--line); }
.briefs-title {
  font-size: 11.5px;
  letter-spacing: .22em;
  color: var(--gray);
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.brief {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: padding-left .3s, background .3s;
}
.brief:hover { padding-left: 8px; }
.brief-num {
  font-family: var(--serif);
  font-size: 13px;
  color: var(--gray-light);
  padding-top: 2px;
  min-width: 20px;
}
.brief h3 {
  font-family: var(--serif);
  font-size: 16.5px;
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: .02em;
  margin: 0 0 8px;
  transition: color .25s;
}
.brief:hover h3 { color: var(--blue); }
.brief .t {
  font-size: 11.5px;
  color: var(--gray-light);
  letter-spacing: .06em;
}

/* ============ 板块导航 ============ */
.sections {
  background: var(--bg-warm);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.section-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.block {
  background: var(--bg);
  padding: 42px 36px 38px;
  display: flex;
  flex-direction: column;
  min-height: 240px;
  position: relative;
  overflow: hidden;
  transition: background .35s;
}
.block::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s cubic-bezier(.4,0,.2,1);
}
.block:hover::after { transform: scaleX(1); }
.block:hover { background: #fcfcfd; }
.block-num {
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gray-light);
  margin-bottom: 26px;
}
.block h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: .08em;
  margin: 0 0 14px;
  color: var(--blue-deep);
}
.block p {
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--gray);
  margin: 0 0 22px;
}
.block .go {
  margin-top: auto;
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.block .go::after {
  content: "→";
  transition: transform .3s;
}
.block:hover .go::after { transform: translateX(5px); }

/* ============ 资源下载 ============ */
.res-list {
  border-top: 1px solid var(--line);
}
.res-item {
  display: grid;
  grid-template-columns: 74px 1fr 130px 120px;
  align-items: center;
  gap: 20px;
  padding: 26px 8px;
  border-bottom: 1px solid var(--line-soft);
  transition: background .3s, padding-left .3s;
}
.res-item:hover { background: var(--bg-warm); padding-left: 16px; }
.res-badge {
  font-family: var(--serif);
  font-size: 11px;
  letter-spacing: .1em;
  text-align: center;
  padding: 6px 0;
  border: 1px solid var(--line);
  color: var(--gray);
}
.res-name {
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: .02em;
}
.res-name small {
  display: block;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--gray-light);
  margin-top: 5px;
  letter-spacing: .04em;
}
.res-size { font-size: 12px; color: var(--gray-light); letter-spacing: .06em; }
.res-dl {
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--blue);
  text-align: right;
  white-space: nowrap;
}
.res-dl:hover { text-decoration: underline; text-underline-offset: 4px; }
.res-dl.disabled { color: var(--gray-light); cursor: default; }

/* ============ 关于条 ============ */
.about-strip {
  padding: 96px 0;
  background: var(--blue-deep);
  color: #fff;
}
.about-strip .wrap {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 72px;
  align-items: center;
}
.about-strip h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.5;
  letter-spacing: .08em;
  margin: 0 0 26px;
  font-weight: 500;
}
.about-strip p {
  font-size: 15px;
  line-height: 2.1;
  color: rgba(255,255,255,.72);
  margin: 0 0 18px;
  max-width: 520px;
}
.about-strip .btn {
  display: inline-block;
  margin-top: 18px;
  padding: 13px 30px;
  border: 1px solid rgba(255,255,255,.35);
  font-size: 13px;
  letter-spacing: .14em;
  transition: background .3s, border-color .3s;
}
.about-strip .btn:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.about-quote {
  font-family: var(--serif);
  font-size: 15px;
  line-height: 2.2;
  color: rgba(255,255,255,.9);
  border-left: 2px solid rgba(255,255,255,.25);
  padding-left: 28px;
}
.about-quote cite {
  display: block;
  margin-top: 18px;
  font-style: normal;
  font-size: 12px;
  letter-spacing: .16em;
  color: rgba(255,255,255,.45);
}

/* ============ 页脚 ============ */
.site-footer {
  padding: 64px 0 44px;
  border-top: 1px solid var(--line);
  background: #fff;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 56px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line-soft);
}
.footer-brand .brand-name { font-size: 22px; }
.footer-brand p {
  font-size: 13px;
  line-height: 1.95;
  color: var(--gray);
  margin: 18px 0 0;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gray-light);
  font-weight: 500;
  margin: 0 0 18px;
}
.footer-col a {
  display: block;
  font-size: 13.5px;
  color: var(--ink-soft);
  padding: 6px 0;
  transition: color .2s;
}
.footer-col a:hover { color: var(--blue); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 26px;
  font-size: 12px;
  color: var(--gray-light);
  letter-spacing: .05em;
}
.footer-note {
  margin: 26px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.8;
  color: var(--gray-light);
}

/* ============ 内页通用 ============ */
.page-head {
  padding: 76px 0 56px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-warm);
}
.page-head .eyebrow {
  font-size: 11.5px;
  letter-spacing: .24em;
  color: var(--gold);
  margin-bottom: 20px;
}
.page-head h1 {
  font-family: var(--serif);
  font-size: clamp(32px, 4.2vw, 52px);
  letter-spacing: .08em;
  font-weight: 600;
  margin: 0 0 20px;
  color: var(--blue-deep);
}
.page-head p {
  max-width: 680px;
  font-size: 15.5px;
  line-height: 2;
  color: var(--gray);
  margin: 0;
}

/* ============ 文章列表 ============ */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding: 32px 0 28px;
  border-bottom: 1px solid var(--line);
}
.filters { display: flex; gap: 6px; flex-wrap: wrap; }
.filter {
  font-size: 13px;
  letter-spacing: .06em;
  padding: 8px 18px;
  border: 1px solid transparent;
  color: var(--gray);
  cursor: pointer;
  background: none;
  font-family: inherit;
  transition: color .25s, border-color .25s;
}
.filter:hover { color: var(--blue); }
.filter.active {
  color: var(--blue);
  border-color: var(--line);
  background: #fff;
}
.search-box {
  position: relative;
  min-width: 240px;
}
.search-box input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: #fff;
  font-family: inherit;
  font-size: 13.5px;
  color: var(--ink);
  outline: none;
  transition: border-color .25s;
}
.search-box input:focus { border-color: var(--blue); }
.search-box input::placeholder { color: var(--gray-light); }

.article-list { padding: 12px 0 40px; }
.article-item {
  display: grid;
  grid-template-columns: 120px 1fr 180px;
  gap: 36px;
  align-items: baseline;
  padding: 34px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: padding-left .35s;
}
.article-item:hover { padding-left: 12px; }
.article-date {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gray-light);
  font-variant-numeric: tabular-nums;
}
.article-body h2 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: .02em;
  margin: 0 0 12px;
  transition: color .25s;
}
.article-item:hover h2 { color: var(--blue); }
.article-body p {
  font-size: 14px;
  line-height: 1.9;
  color: var(--gray);
  margin: 0;
  max-width: 640px;
}
.article-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gold);
  border: 1px solid rgba(166,124,61,.3);
  padding: 3px 9px;
  margin-bottom: 12px;
}
.article-stats {
  font-size: 12px;
  color: var(--gray-light);
  text-align: right;
  letter-spacing: .06em;
}
.article-stats span { display: block; padding: 3px 0; }
.empty-state {
  padding: 80px 0;
  text-align: center;
  color: var(--gray-light);
  font-size: 14px;
  letter-spacing: .08em;
}

/* ============ 文章阅读页 ============ */
.article-page { padding: 70px 0 100px; }
.article-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.article-head .kicker {
  font-size: 11.5px;
  letter-spacing: .24em;
  color: var(--gold);
  margin-bottom: 24px;
}
.article-head h1 {
  font-family: var(--serif);
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.5;
  letter-spacing: .03em;
  font-weight: 600;
  margin: 0 0 28px;
  color: var(--ink);
}
.article-head .meta {
  font-size: 12.5px;
  color: var(--gray-light);
  letter-spacing: .1em;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}
.article-content {
  max-width: 680px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 2.1;
  color: var(--ink);
  letter-spacing: .01em;
}
.article-content p {
  margin: 0 0 26px;
  text-align: justify;
}
.article-content .lead-in {
  font-family: var(--serif);
  font-size: 19px;
  color: var(--blue-deep);
}
.article-content h2 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: .05em;
  margin: 56px 0 26px;
  color: var(--blue-deep);
}
.article-content blockquote {
  margin: 40px 0;
  padding: 6px 0 6px 28px;
  border-left: 2px solid var(--blue);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 2;
  color: var(--blue-deep);
}
.article-foot {
  max-width: 680px;
  margin: 64px auto 0;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--gray);
}
.article-foot a { color: var(--blue); border-bottom: 1px solid transparent; }
.article-foot a:hover { border-color: var(--blue); }

/* ============ 关于我 ============ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  padding: 80px 0;
  align-items: start;
}
.about-aside {
  position: sticky;
  top: 110px;
}
.avatar-box {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: linear-gradient(150deg, var(--blue-deep), #1b3f6b);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 54px;
  color: rgba(255,255,255,.92);
  letter-spacing: .2em;
  position: relative;
  overflow: hidden;
}
.avatar-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}
.avatar-box::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255,255,255,.16);
  z-index: 2;
  pointer-events: none;
}
.about-aside .name {
  font-family: var(--serif);
  font-size: 24px;
  letter-spacing: .12em;
  margin: 26px 0 6px;
  color: var(--blue-deep);
}
.about-aside .role { font-size: 12.5px; color: var(--gray); letter-spacing: .12em; }
.about-aside dl {
  margin: 32px 0 0;
  border-top: 1px solid var(--line);
}
.about-aside dt {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gray-light);
  padding-top: 16px;
}
.about-aside dd {
  margin: 4px 0 16px;
  font-size: 14px;
  color: var(--ink-soft);
}
.about-text h2 {
  font-family: var(--serif);
  font-size: 26px;
  letter-spacing: .08em;
  font-weight: 600;
  color: var(--blue-deep);
  margin: 0 0 22px;
}
.about-text h2:not(:first-child) { margin-top: 56px; }
.about-text p {
  font-size: 15.5px;
  line-height: 2.1;
  color: var(--ink-soft);
  margin: 0 0 20px;
}
.about-text ul {
  margin: 0 0 20px;
  padding-left: 20px;
}
.about-text li {
  font-size: 15.5px;
  line-height: 2.1;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

/* ============ 图片与精选 ============ */
.feature-media {
  display: block;
  margin-bottom: 30px;
  overflow: hidden;
}
.feature-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform .9s cubic-bezier(.4,0,.2,1);
}
.feature-main:hover .feature-media img { transform: scale(1.03); }

.pick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
}
.pick-card { display: block; }
.pick-card .ph { overflow: hidden; margin-bottom: 20px; }
.pick-card .ph img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .9s cubic-bezier(.4,0,.2,1);
}
.pick-card:hover .ph img { transform: scale(1.04); }
.pick-card .pt {
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--gold);
  margin-bottom: 10px;
}
.pick-card h3 {
  font-family: var(--serif);
  font-size: 18.5px;
  font-weight: 600;
  line-height: 1.65;
  letter-spacing: .02em;
  margin: 0 0 10px;
  transition: color .25s;
}
.pick-card:hover h3 { color: var(--blue); }
.pick-card .pm {
  font-size: 12px;
  color: var(--gray-light);
  letter-spacing: .06em;
}
@media (max-width: 820px) {
  .pick-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ============ 入场动画 ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s cubic-bezier(.4,0,.2,1), transform .8s cubic-bezier(.4,0,.2,1);
}
.reveal.visible { opacity: 1; transform: none; }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  :root { --gutter: 32px; }
  .feature { grid-template-columns: 1fr; gap: 48px; }
  .section-grid { grid-template-columns: repeat(2, 1fr); }
  .about-strip .wrap { grid-template-columns: 1fr; gap: 40px; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-aside { position: static; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 820px) {
  .topbar .date { display: none; }
  .nav-toggle { display: flex; }
  .nav {
    position: absolute;
    top: 74px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 22px;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .28s, transform .28s, visibility .28s;
    box-shadow: 0 18px 30px -20px rgba(0,0,0,.25);
  }
  .nav.open { opacity: 1; transform: none; visibility: visible; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line-soft); font-size: 15px; }
  .nav a::after { display: none; }

  .hero { padding: 64px 0 56px; }
  .hero h1 { letter-spacing: .04em; }
  .hero-meta { gap: 24px; }

  .section { padding: 60px 0; }
  .section-head { margin-bottom: 32px; }
  .section-grid { grid-template-columns: 1fr; }
  .block { min-height: auto; padding: 32px 26px; }

  .res-item {
    grid-template-columns: 62px 1fr;
    gap: 8px 16px;
    padding: 22px 4px;
  }
  .res-size { grid-column: 2; }
  .res-dl { grid-column: 2; text-align: left; }

  .article-item {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 28px 0;
  }
  .article-item:hover { padding-left: 0; }
  .article-stats { text-align: left; display: flex; gap: 14px; }
  .article-stats span { display: inline; }

  .toolbar { flex-direction: column; align-items: stretch; }
  .search-box { min-width: 0; }

  .article-content { font-size: 16.5px; line-height: 2; }
  .article-head { margin-bottom: 40px; }

  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .about-strip { padding: 64px 0; }
}

@media (max-width: 420px) {
  :root { --gutter: 20px; }
  .brand-name { font-size: 22px; }
  .brand-sub { display: none; }
  .hero h1 { font-size: 34px; }
  .hero-lead { font-size: 15px; }
}

/* 打印 */
@media print {
  .site-header, .topbar, .site-footer, .nav-toggle { display: none; }
  .article-page { padding: 0; }
}

/* ============================================================
   视觉升级 V2 · 门户气质 + 杂志排版
   目标：增加色彩重量与图像存在感，但不牺牲长文可读性
   ============================================================ */

/* 顶部条：深蓝底 + 白字，给出"这不是普通博客"的第一眼信号 */
.topbar {
  background: var(--blue-deep);
  border-bottom: none;
  color: rgba(255,255,255,.62);
}
.topbar .motto { color: #fff; }
.topbar .date { color: rgba(255,255,255,.5); }

/* 首屏：左文右图双栏，照片完整展示，不被文字压住 */
.hero {
  position: relative;
  padding: 80px 0 78px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-warm);
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 70px;
  align-items: center;
}
.hero-copy { min-width: 0; }
.hero-photo { margin: 0; min-width: 0; }
.hero-photo img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  display: block;
}
.hero-photo figcaption {
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gray);
}

.hero-author { color: var(--gray); }
.hero-author img { border-color: var(--line); }
.hero-eyebrow { color: var(--gold); }
.hero-eyebrow::before { background: var(--gold); }
.hero h1 { color: var(--ink); }
.hero h1 .light { color: var(--gray-light); }
.hero-lead { color: var(--ink-soft); max-width: 520px; }
.hero-meta { color: var(--gray); }
.hero-meta strong { color: var(--ink); }
.hero-meta > div:not(:first-child) {
  border-left: 1px solid var(--line);
  padding-left: 22px;
}

/* 章节标题：金色竖条 + 深蓝分隔线，建立视觉节奏 */
.section-title { position: relative; padding-left: 18px; }
.section-title::before {
  content: "";
  position: absolute;
  left: 0; top: .28em;
  width: 3px; height: 1.15em;
  background: var(--gold);
}
.section-head {
  border-bottom-color: var(--blue-deep);
  border-bottom-width: 1px;
}
.section.sections { background: var(--bg-warm); }

/* 栏目卡：左侧细线在悬停时转金色 */
.block {
  border-left: 2px solid var(--line);
  transition: border-color .3s, background .3s;
}
.block:hover { border-left-color: var(--gold); background: #fff; }
.block-num { color: var(--gold); }

/* 标签：改成深蓝胶囊，比纯文字更有重量 */
.feature-kicker,
.pick-card .pt {
  display: inline-block;
  background: var(--blue-deep);
  color: #fff;
  padding: 4px 11px;
  font-size: 10.5px;
  letter-spacing: .16em;
  margin-bottom: 18px;
}

/* 资源徽章：深蓝底 */
.res-badge {
  background: var(--blue-deep);
  color: #fff;
  border: none;
}

/* 关于条：更深的渐变，避免大片纯蓝显得平 */
.about-strip {
  background: linear-gradient(135deg, #07162a 0%, #0d2745 55%, #12365c 100%);
}

/* 响应式（覆盖前面同名断点） */
@media (max-width: 1024px) {
  .hero .wrap { gap: 44px; }
  .hero-photo img { height: 400px; }
}

@media (max-width: 820px) {
  .hero { padding: 54px 0 52px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 34px; }
  .hero-photo img { height: 270px; }
  .section-title { padding-left: 14px; }
  .block { border-left: none; }
  .hero-meta > div:not(:first-child) { padding-left: 18px; }
}

@media (max-width: 420px) {
  .hero-photo img { height: 210px; }
  .hero h1 { font-size: 32px; }
}

/* 资源下载：分组标题 */
.res-group {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--gray);
  margin: 46px 0 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.res-group:first-child { margin-top: 0; }

/* ============================================================
   视觉升级 V3 · 品牌首屏 / 代表作品 / 阅读体验 / 检索
   ============================================================ */

/* ---------- 阅读进度条 ---------- */
.readbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: rgba(15, 42, 74, .08);
  z-index: 70;
  pointer-events: none;
}
.readbar span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--gold) 0%, var(--blue) 100%);
  transition: width .12s linear;
}

/* ---------- 首屏：品牌标语 + 个人形象 ---------- */
.hero {
  padding: 92px 0 84px;
  background: var(--bg-warm);
  border-bottom: 1px solid var(--line);
}
.hero .wrap {
  display: block;
  max-width: 840px;
}
.hero-copy { min-width: 0; }
.hero h1 {
  font-size: clamp(42px, 5.6vw, 82px);
  line-height: 1.16;
  letter-spacing: .045em;
  margin: 0 0 22px;
}
.hero h1 .light { color: var(--gray); }
.hero-en {
  font-size: 10.5px;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--gray-light);
  margin-bottom: 34px;
}
.hero-lead {
  max-width: 520px;
  font-size: 16px;
  line-height: 2.05;
  color: var(--ink-soft);
  margin: 0 0 36px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 46px; }
.btn-primary,
.btn-ghost {
  display: inline-block;
  padding: 14px 30px;
  font-size: 12.5px;
  letter-spacing: .14em;
  transition: background .3s, color .3s, border-color .3s;
}
.btn-primary { background: var(--blue-deep); color: #fff; }
.btn-primary:hover { background: var(--blue); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink-soft); background: #fff; }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }

.hero-portrait { margin: 0; min-width: 0; position: relative; }
.hero-portrait img {
  width: 100%;
  aspect-ratio: 4 / 5;
  height: auto;
  object-fit: cover;
  object-position: 50% 28%;
  display: block;
  box-shadow: 0 34px 60px -34px rgba(10, 31, 56, .45);
}
.portrait-caption {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--gray);
}
.portrait-caption em {
  font-style: normal;
  color: var(--gray-light);
  letter-spacing: .06em;
}

/* ---------- 全宽图片带 ---------- */
.photo-band { position: relative; overflow: hidden; background: var(--blue-deep); }
.photo-band img {
  display: block;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  height: auto;
  object-fit: contain;
  opacity: .94;
}
.photo-band .band-cap {
  position: absolute;
  left: 0; right: 0; bottom: 22px;
  display: flex;
}
.photo-band .band-cap .wrap { max-width: 900px; }
.band-cap span {
  display: inline-block;
  background: rgba(7, 22, 42, .82);
  color: rgba(255, 255, 255, .92);
  padding: 8px 16px;
  font-size: 11.5px;
  letter-spacing: .16em;
}

/* ---------- 代表作品 ---------- */
.works-intro {
  max-width: 660px;
  margin: -26px 0 44px;
  font-size: 14px;
  line-height: 2;
  color: var(--gray);
}
.works-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px 44px;
}
.work-card { display: flex; flex-direction: column; }
.work-media { display: block; overflow: hidden; margin-bottom: 24px; background: var(--bg-warm); }
.work-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform .9s cubic-bezier(.4, 0, .2, 1);
}
.work-card:hover .work-media img { transform: scale(1.035); }
.work-cat {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold);
  margin-bottom: 12px;
}
.work-card h3 {
  font-family: var(--serif);
  font-size: 23px;
  line-height: 1.52;
  font-weight: 600;
  letter-spacing: .02em;
  margin: 0 0 14px;
  transition: color .25s;
}
.work-card:hover h3 { color: var(--blue); }
.work-card p {
  font-size: 14px;
  line-height: 1.95;
  color: var(--gray);
  margin: 0 0 18px;
}
.work-meta {
  margin-top: auto;
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--gray-light);
}

/* ---------- 资源下载：分类 / 检索 / 计数 ---------- */
.res-tools {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 4px 0 26px;
  border-bottom: 1px solid var(--line);
}
.res-cats { display: flex; flex-wrap: wrap; gap: 6px; }
.res-cat-btn {
  font-family: inherit;
  font-size: 12.5px;
  letter-spacing: .06em;
  padding: 8px 16px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--gray);
  cursor: pointer;
  transition: color .25s, border-color .25s, background .25s;
}
.res-cat-btn:hover { color: var(--blue); border-color: var(--blue); }
.res-cat-btn.active { background: var(--blue-deep); border-color: var(--blue-deep); color: #fff; }
.res-search { min-width: 220px; }
.res-search input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--line);
  font-family: inherit;
  font-size: 13.5px;
  color: var(--ink);
  outline: none;
  transition: border-color .25s;
}
.res-search input:focus { border-color: var(--blue); }

.res-item {
  grid-template-columns: 74px minmax(0, 1fr) 92px 88px 108px;
}
.res-cat {
  display: inline-block;
  font-size: 10.5px;
  letter-spacing: .1em;
  color: var(--gold);
  border: 1px solid rgba(166, 124, 61, .35);
  padding: 2px 7px;
  margin-left: 8px;
  vertical-align: 2px;
  font-family: var(--sans);
  white-space: nowrap;
}
.res-count {
  font-size: 11.5px;
  color: var(--gray-light);
  letter-spacing: .04em;
  text-align: right;
  white-space: nowrap;
}
.res-empty {
  padding: 60px 0;
  text-align: center;
  font-size: 13.5px;
  color: var(--gray-light);
  letter-spacing: .06em;
}

/* ---------- 文章页：标题区与工具 ---------- */
.article-page { padding: 64px 0 72px; }
.article-head { max-width: 780px; margin: 0 auto 44px; }
.article-tools {
  margin-top: 26px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.share-btn {
  font-family: inherit;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--blue);
  background: #fff;
  border: 1px solid var(--line);
  padding: 10px 22px;
  cursor: pointer;
  transition: background .25s, color .25s, border-color .25s;
}
.share-btn:hover { background: var(--blue-deep); border-color: var(--blue-deep); color: #fff; }
.tool-link {
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--gray);
  padding: 10px 4px;
  border-bottom: 1px solid transparent;
}
.tool-link:hover { color: var(--blue); border-bottom-color: var(--blue); }

/* ---------- 文章页：目录 + 正文 ---------- */
.article-layout {
  display: grid;
  grid-template-columns: 196px minmax(0, 680px);
  gap: 56px;
  justify-content: center;
  align-items: start;
}
.article-layout.toc-less { grid-template-columns: minmax(0, 680px); }
.article-toc {
  position: sticky;
  top: 96px;
  font-size: 13px;
}
.toc-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 10px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
  font-size: 10.5px;
  letter-spacing: .22em;
  color: var(--gray);
}
.toc-toggle {
  display: none;
  font-family: inherit;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--blue);
  background: none;
  border: 1px solid var(--line);
  padding: 3px 10px;
  cursor: pointer;
}
.toc-list { list-style: none; margin: 0; padding: 0; }
.toc-list li { margin: 0 0 12px; }
.toc-list a {
  display: block;
  padding-left: 12px;
  border-left: 2px solid transparent;
  color: var(--gray);
  line-height: 1.55;
  transition: color .2s, border-color .2s;
}
.toc-list a:hover { color: var(--blue); border-left-color: var(--gold); }
.toc-list a.current { color: var(--blue); border-left-color: var(--gold); font-weight: 500; }

.article-content {
  max-width: 680px;
  margin: 0;
  font-size: 17.5px;
  line-height: 2.05;
  color: var(--ink);
  letter-spacing: .01em;
}
.article-content p { margin: 0 0 28px; text-align: justify; }
.article-content .excerpt-note {
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--gray);
  text-align: left;
  border-left: 2px solid var(--line);
  padding-left: 16px;
  margin-top: 36px;
}
.article-content h2 { scroll-margin-top: 96px; }

/* ---------- 上一篇 / 下一篇 ---------- */
.article-pager {
  max-width: 900px;
  margin: 60px auto 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.pager-card {
  background: #fff;
  padding: 26px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 132px;
  transition: background .25s;
}
.pager-card:hover { background: var(--bg-warm); }
.pager-dir {
  font-size: 10.5px;
  letter-spacing: .18em;
  color: var(--gold);
}
.pager-card strong {
  font-family: var(--serif);
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: .02em;
}
.pager-meta { font-size: 11.5px; color: var(--gray-light); margin-top: auto; }
.pager-card.empty { cursor: default; }
.pager-card.empty strong { font-family: var(--sans); font-size: 13px; font-weight: 400; color: var(--gray-light); }

/* ---------- 相关文章 ---------- */
.related-section {
  padding: 68px 0 84px;
  border-top: 1px solid var(--line-soft);
  background: var(--bg-warm);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.rel-card {
  background: #fff;
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 158px;
  transition: background .25s;
}
.rel-card:hover { background: #fcfcfd; }
.rel-tag { font-size: 10.5px; letter-spacing: .16em; color: var(--gold); }
.rel-card h3 {
  font-family: var(--serif);
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.62;
  margin: 0;
  transition: color .2s;
}
.rel-card:hover h3 { color: var(--blue); }
.rel-meta { margin-top: auto; font-size: 11.5px; color: var(--gray-light); }

/* ---------- 分享层 ---------- */
.share-layer {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(7, 22, 42, .55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
}
.share-layer[hidden] { display: none; }
.share-card {
  width: 100%;
  max-width: 380px;
  background: #fff;
  padding: 30px;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, .5);
}
.share-title {
  font-family: var(--serif);
  font-size: 19px;
  letter-spacing: .06em;
  color: var(--blue-deep);
  margin-bottom: 14px;
}
.share-tip { font-size: 13px; line-height: 1.95; color: var(--gray); margin: 0 0 22px; }
.share-actions { display: flex; gap: 10px; }
.share-copy,
.share-close {
  font-family: inherit;
  font-size: 13px;
  letter-spacing: .08em;
  padding: 11px 20px;
  cursor: pointer;
}
.share-copy { background: var(--blue-deep); border: 1px solid var(--blue-deep); color: #fff; }
.share-close { background: #fff; border: 1px solid var(--line); color: var(--gray); }
.share-done { margin-top: 16px; font-size: 12px; letter-spacing: .08em; color: var(--gold); }
.share-done[hidden] { display: none; }

/* ---------- 搜索页 ---------- */
.search-hero {
  padding: 76px 0 44px;
  background: var(--bg-warm);
  border-bottom: 1px solid var(--line);
}
.search-hero .eyebrow { font-size: 11.5px; letter-spacing: .24em; color: var(--gold); margin-bottom: 18px; }
.search-hero h1 {
  font-family: var(--serif);
  font-size: clamp(30px, 4vw, 46px);
  letter-spacing: .06em;
  margin: 0 0 16px;
  color: var(--blue-deep);
}
.search-hero p { font-size: 14.5px; line-height: 1.9; color: var(--gray); margin: 0 0 30px; max-width: 620px; }
.search-form { display: flex; gap: 10px; max-width: 680px; }
.search-form input {
  flex: 1;
  min-width: 0;
  padding: 15px 18px;
  border: 1px solid var(--line);
  background: #fff;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  outline: none;
  transition: border-color .25s;
}
.search-form input:focus { border-color: var(--blue); }
.search-form button {
  padding: 0 30px;
  border: none;
  background: var(--blue-deep);
  color: #fff;
  font-family: inherit;
  font-size: 13px;
  letter-spacing: .14em;
  cursor: pointer;
  transition: background .25s;
}
.search-form button:hover { background: var(--blue); }

.search-tabs { display: flex; flex-wrap: wrap; gap: 6px; padding-top: 26px; }
.search-meta { font-size: 12px; letter-spacing: .06em; color: var(--gray-light); margin: 0 0 6px; }
.sr-group-title {
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: .1em;
  color: var(--blue-deep);
  margin: 44px 0 4px;
  padding-bottom: 14px;
  border-bottom: 1.5px solid var(--ink);
}
.sr-item {
  display: block;
  padding: 26px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: padding-left .3s;
}
.sr-item:hover { padding-left: 10px; }
.sr-top { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.sr-cat {
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--gold);
  border: 1px solid rgba(166, 124, 61, .35);
  padding: 2px 8px;
  white-space: nowrap;
}
.sr-date { font-size: 11.5px; color: var(--gray-light); letter-spacing: .06em; }
.sr-item h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: .02em;
  margin: 0 0 10px;
  transition: color .2s;
}
.sr-item:hover h3 { color: var(--blue); }
.sr-item p { font-size: 13.5px; line-height: 1.9; color: var(--gray); margin: 0; max-width: 720px; }
.sr-item mark { background: rgba(166, 124, 61, .2); color: inherit; padding: 0 1px; }
.sr-tip {
  padding: 70px 0;
  text-align: center;
  font-size: 13.5px;
  line-height: 2;
  color: var(--gray-light);
  letter-spacing: .06em;
}

/* ---------- 关于我：品牌页 ---------- */
.about-hero {
  padding: 78px 0;
  background: var(--bg-warm);
  border-bottom: 1px solid var(--line);
}
.about-hero .wrap {
  display: block;
}
.about-hero .portrait { margin: 0 0 46px; max-width: 780px; }
.about-hero .portrait img {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: fill;
  object-position: center;
  box-shadow: 0 30px 56px -32px rgba(10, 31, 56, .42);
}
.about-hero .eyebrow { font-size: 11.5px; letter-spacing: .24em; color: var(--gold); margin-bottom: 18px; }
.about-hero h1 {
  font-family: var(--serif);
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.35;
  letter-spacing: .05em;
  margin: 0 0 20px;
  color: var(--blue-deep);
}
.about-hero .lead { font-size: 15.5px; line-height: 2.05; color: var(--ink-soft); max-width: 640px; margin: 0 0 30px; }
.about-facts { display: flex; flex-wrap: wrap; gap: 34px; }
.about-facts div { font-size: 11.5px; letter-spacing: .1em; color: var(--gray-light); }
.about-facts strong {
  display: block;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--blue-deep);
  letter-spacing: .02em;
  margin-bottom: 4px;
}

.timeline { position: relative; padding-left: 34px; max-width: 760px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 20px;
  width: 1px;
  background: var(--line);
}
.tl-item { position: relative; padding-bottom: 40px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--gold);
}
.tl-year {
  display: block;
  font-size: 10.5px;
  letter-spacing: .22em;
  color: var(--gold);
  margin-bottom: 10px;
}
.tl-item h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .04em;
  margin: 0 0 10px;
  color: var(--ink);
}
.tl-item p { font-size: 14.5px; line-height: 1.95; color: var(--gray); margin: 0; max-width: 660px; }

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.module-card { background: #fff; padding: 38px 34px; }
.module-num { font-size: 10.5px; letter-spacing: .2em; color: var(--gold); }
.module-card h3 {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: .06em;
  margin: 14px 0 16px;
  color: var(--blue-deep);
}
.module-card p,
.module-card li { font-size: 14px; line-height: 1.95; color: var(--gray); }
.module-card p { margin: 0 0 14px; }
.module-card p:last-child { margin-bottom: 0; }
.module-card ul { margin: 0; padding-left: 18px; }
.module-card li { margin-bottom: 8px; }

.about-works { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.about-work { background: #fff; padding: 26px 26px; display: flex; flex-direction: column; gap: 8px; }
.about-work .aw-cat { font-size: 10.5px; letter-spacing: .14em; color: var(--gold); }
.about-work h3 { font-family: var(--serif); font-size: 16.5px; font-weight: 600; line-height: 1.6; margin: 0; }
.about-work:hover h3 { color: var(--blue); }
.about-work .aw-meta { margin-top: auto; font-size: 11.5px; color: var(--gray-light); }

/* ---------- V3 响应式 ---------- */
@media (max-width: 1024px) {
  .hero .wrap { gap: 44px; }
  .hero h1 { font-size: clamp(38px, 5.4vw, 62px); }
  .works-grid { gap: 40px 32px; }
  .article-layout { grid-template-columns: 176px minmax(0, 1fr); gap: 40px; }
  .about-hero .wrap { grid-template-columns: 240px minmax(0, 1fr); gap: 44px; }
}

@media (max-width: 900px) {
  .res-item { grid-template-columns: 66px minmax(0, 1fr) 84px; }
  .res-count { display: none; }
  .res-item > .res-size { grid-column: 2; }
  .res-dl { grid-column: 3; text-align: right; }
}

@media (max-width: 820px) {
  .hero { padding: 56px 0 56px; }
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: clamp(36px, 9vw, 54px); letter-spacing: .03em; }
  .hero-en { margin-bottom: 26px; }
  .hero-lead { font-size: 15px; line-height: 1.95; margin-bottom: 28px; }
  .hero-actions { margin-bottom: 32px; }
  .btn-primary, .btn-ghost { padding: 13px 24px; }
  .hero-portrait { max-width: 460px; }
  .hero-portrait img { aspect-ratio: 4 / 5; }

  .photo-band img { height: auto; }

  .works-grid { grid-template-columns: 1fr; gap: 44px; }
  .works-intro { margin: -16px 0 32px; }
  .work-card h3 { font-size: 20px; }

  .article-page { padding: 48px 0 56px; }
  .article-head { margin-bottom: 32px; }
  .article-head h1 { font-size: clamp(24px, 6vw, 32px); line-height: 1.55; }
  .article-head .meta { gap: 12px; font-size: 11.5px; }
  .article-tools { margin-top: 22px; }

  .article-layout,
  .article-layout.toc-less { grid-template-columns: 1fr; }
  .article-toc {
    position: static;
    order: -1;
    margin-bottom: 30px;
    border: 1px solid var(--line);
    padding: 14px 18px;
    background: var(--bg-warm);
  }
  .toc-head { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
  .toc-toggle { display: inline-block; }
  .toc-list { display: none; margin-top: 14px; }
  .article-toc.open .toc-list { display: block; }
  .article-toc.open .toc-head { border-bottom: 1px solid var(--line); padding-bottom: 10px; margin-bottom: 12px; }

  .article-content {
    font-size: 17px;
    line-height: 1.9;
    letter-spacing: .02em;
  }
  .article-content p { margin-bottom: 24px; text-align: left; }
  .article-content .lead-in { font-size: 17.5px; }
  .article-content h2 { font-size: 21px; margin: 44px 0 22px; }
  .article-content blockquote { margin: 32px 0; padding-left: 20px; font-size: 16.5px; }

  .article-pager { grid-template-columns: 1fr; margin-top: 44px; }
  .pager-card { min-height: auto; padding: 22px 22px; }
  .related-section { padding: 52px 0 60px; }
  .related-grid { grid-template-columns: 1fr; }

  .about-hero { padding: 52px 0; }
  .about-hero .wrap { grid-template-columns: 1fr; gap: 32px; }
  .about-hero .portrait { max-width: none; }
  .about-facts { gap: 24px; }
  .module-grid,
  .about-works { grid-template-columns: 1fr; }
  .module-card { padding: 30px 24px; }
  .timeline { padding-left: 26px; }

  .search-hero { padding: 54px 0 34px; }
  .search-form { flex-direction: column; }
  .search-form button { padding: 14px 24px; letter-spacing: .1em; }
  .sr-item h3 { font-size: 17.5px; }
  .res-tools { flex-direction: column; align-items: stretch; }
  .res-search { min-width: 0; }
}

@media (max-width: 560px) {
  .res-item {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 6px 14px;
    padding: 20px 2px;
  }
  .res-item > .res-size,
  .res-count,
  .res-dl { grid-column: 2; text-align: left; }
  .res-dl { justify-self: start; }
  .res-cat { margin-left: 0; margin-top: 6px; }
  .hero-portrait img { aspect-ratio: 3 / 4; }
}

@media (max-width: 420px) {
  .hero h1 { font-size: 32px; }
  .photo-band img { height: auto; }
}

@media print {
  .readbar, .article-toc, .article-tools, .share-layer, .related-section, .article-pager { display: none; }
}

/* ============================================================
   V3.1 · 留言簿 / 评论 / 表单
   ============================================================ */
.msg-form {
  border: 1px solid var(--line);
  background: #fff;
  padding: 30px 30px 24px;
}
.form-row { margin-bottom: 20px; }
.form-row label {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gray);
  margin-bottom: 10px;
}
.form-row label small { color: var(--gray-light); letter-spacing: .04em; }
.form-row input,
.form-row textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
  outline: none;
  transition: border-color .25s;
}
.form-row input:focus,
.form-row textarea:focus { border-color: var(--blue); }
.form-row textarea { resize: vertical; min-height: 120px; }
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px; height: 1px;
  opacity: 0;
  pointer-events: none;
}
.form-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.form-note { font-size: 12px; color: var(--gray-light); line-height: 1.7; margin: 0; }
.submit-btn {
  font-family: inherit;
  font-size: 13px;
  letter-spacing: .14em;
  padding: 12px 32px;
  border: none;
  background: var(--blue-deep);
  color: #fff;
  cursor: pointer;
  transition: background .25s;
}
.submit-btn:hover { background: var(--blue); }
.submit-btn:disabled { background: var(--gray-light); cursor: default; }
.form-status { margin: 14px 0 0; font-size: 13px; line-height: 1.7; min-height: 20px; }
.form-status.ok { color: var(--blue); }
.form-status.err { color: #b3432f; }

/* 留言卡片 */
.msg {
  padding: 26px 0;
  border-bottom: 1px solid var(--line-soft);
}
.msg.pinned { background: linear-gradient(90deg, rgba(166,124,61,.05), transparent 60%); }
.msg-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.msg-name { font-size: 13px; font-weight: 500; color: var(--blue-deep); letter-spacing: .04em; }
.msg-pin {
  font-size: 10px;
  letter-spacing: .12em;
  color: #fff;
  background: var(--gold);
  padding: 2px 7px;
}
.msg-date { margin-left: auto; font-size: 11.5px; color: var(--gray-light); }
.msg-text {
  font-size: 15px;
  line-height: 2;
  color: var(--ink);
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}
.msg-reply {
  margin-top: 16px;
  padding: 16px 18px;
  background: var(--bg-warm);
  border-left: 2px solid var(--gold);
}
.reply-label {
  display: block;
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--gold);
  margin-bottom: 8px;
}
.msg-reply p { margin: 0; font-size: 13.5px; line-height: 1.95; color: var(--ink-soft); white-space: pre-wrap; }

/* 文章评论 */
.comments-section {
  max-width: 680px;
  margin: 56px auto 0;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}
.comments-title {
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: .06em;
  color: var(--blue-deep);
  margin: 0 0 24px;
}
.cm-empty { font-size: 13.5px; color: var(--gray-light); line-height: 1.9; padding: 10px 0 26px; }
.comments-section .msg-form { padding: 22px 22px 18px; margin-bottom: 30px; }
.comments-section .form-row { margin-bottom: 14px; }
.comments-section .form-row textarea { min-height: 90px; font-size: 14px; }
.comments-section .submit-btn { padding: 10px 24px; }
.comments-section .msg { padding: 20px 0; }
.comments-section .msg-text { font-size: 14.5px; line-height: 1.95; }

@media (max-width: 820px) {
  .msg-form { padding: 22px 18px 18px; }
  .form-foot { flex-direction: column; align-items: stretch; }
  .submit-btn { width: 100%; }
}

/* ============================================================
   V3.2 · 节选文章「去微信读全文」引导
   ============================================================ */
.wx-read-box {
  margin: 30px 0 8px;
  padding: 30px 28px 26px;
  background: var(--bg-warm);
  border: 1px solid var(--line);
  border-top: 2px solid var(--gold);
  text-align: center;
}
.wx-read-box .excerpt-note {
  margin: 0 auto 20px;
  max-width: 560px;
  text-align: center;
}
.wx-read-btn {
  display: inline-block;
  border: none;
  cursor: pointer;
  font-family: var(--sans);
  background: #07C160;
  color: #fff;
  font-size: 14.5px;
  letter-spacing: .12em;
  padding: 14px 34px;
  border-radius: 2px;
  transition: background .25s, transform .15s;
}
.wx-read-btn:hover { background: #06a855; }
.wx-read-btn:active { transform: scale(.98); }
.wx-read-btn.copied { background: var(--blue-deep); }
.wx-read-tip {
  display: block;
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.8;
  letter-spacing: .04em;
  color: var(--gray);
}
@media (max-width: 560px) {
  .wx-read-box { padding: 24px 18px 22px; }
  .wx-read-btn { width: 100%; padding: 14px 20px; }
}

/* ---------- 公众号原文正文（全文页） ---------- */
.wx-body p {
  margin: 0 0 10px;
  text-align: left;
}
.wx-body div { margin: 0; }
.wx-body img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
  margin: 4px 0;
  border-radius: 2px;
}
.wx-body img + img { margin-top: 10px; }
.wx-body .wx-endnote {
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--gray);
  letter-spacing: .04em;
}


/* ============ 新生指南专题 ============ */
.guide-stage { padding: 46px 0 8px; border-top: 1px solid var(--line); margin-top: 38px; }
.guide-stage:first-child { border-top: none; margin-top: 6px; padding-top: 28px; }
.guide-num { font-family: var(--serif); font-size: 13px; letter-spacing: .22em; color: var(--gold); }
.guide-stage h2 { font-family: var(--serif); font-size: 24px; margin: 10px 0 0; color: var(--ink); font-weight: 600; }
.guide-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; margin-top: 26px; }
.guide-card { display: flex; flex-direction: column; gap: 10px; padding: 24px; background: var(--bg-warm); border: 1px solid var(--line); border-radius: var(--radius); transition: .22s; }
.guide-card:hover { border-color: var(--blue); background: #fff; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(15,42,74,.07); }
.guide-tag { font-size: 11px; letter-spacing: .16em; color: var(--gold); }
.guide-card h3 { font-family: var(--serif); font-size: 17.5px; line-height: 1.5; color: var(--ink); margin: 0; font-weight: 600; }
.guide-card p { font-size: 14px; line-height: 1.85; color: var(--ink-soft); margin: 0; }
.guide-files { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 20px; }
.guide-files-label { font-size: 13px; color: var(--gray); }
.guide-file { font-size: 13px; padding: 8px 14px; border: 1px solid var(--line); background: #fff; color: var(--ink-soft); border-radius: 999px; transition: .2s; }
.guide-file:hover { border-color: var(--blue); color: var(--blue); }
.guide-cta { margin-top: 56px; padding: 40px 32px; background: var(--blue-deep); color: #fff; text-align: center; border-radius: var(--radius); }
.guide-cta h3 { font-family: var(--serif); font-size: 22px; margin: 0 0 10px; color: #fff; }
.guide-cta p { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.72); margin: 0 0 22px; }
.guide-cta .btn-primary { background: #fff; color: var(--blue-deep); margin: 6px; }
.guide-cta .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); margin: 6px; }
.guide-promo { padding: 34px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-warm); }
.guide-promo .wrap { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.guide-promo h2 { font-family: var(--serif); font-size: 19px; margin: 0; color: var(--ink); }
.guide-promo p { font-size: 13.5px; color: var(--gray); margin: 6px 0 0; }
.guide-promo a.go { font-size: 13px; color: var(--blue); border-bottom: 1px solid var(--blue); padding-bottom: 2px; white-space: nowrap; }
@media (max-width: 640px) {
  .guide-stage h2 { font-size: 20px; }
  .guide-card { padding: 20px; }
  .guide-cta { padding: 32px 22px; }
}

/* ============ 问导员 Q&A ============ */
.qa-tools { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin: 0 0 26px; }
.qa-search { flex: 1; min-width: 220px; }
.qa-search input { width: 100%; padding: 12px 14px; border: 1px solid var(--line); background: #fff; font-size: 14px; font-family: var(--sans); color: var(--ink); }
.qa-search input:focus { outline: none; border-color: var(--blue); }
.qa-tools .btn-primary { padding: 12px 22px; }
.qa-list, #qa-list { display: flex; flex-direction: column; gap: 16px; }
.qa-item { border: 1px solid var(--line); background: #fff; padding: 24px; border-radius: var(--radius); }
.qa-q { display: flex; gap: 12px; align-items: flex-start; }
.qa-mark { flex: none; width: 24px; height: 24px; line-height: 24px; text-align: center; border-radius: 50%; background: var(--blue-deep); color: #fff; font-size: 12px; font-weight: 600; }
.qa-item h3 { font-family: var(--serif); font-size: 17px; line-height: 1.65; margin: 0; color: var(--ink); font-weight: 600; }
.qa-a { margin-top: 14px; padding: 14px 16px; background: var(--bg-warm); border-left: 2px solid var(--blue); font-size: 14.5px; line-height: 1.9; color: var(--ink-soft); }
.qa-a b { color: var(--gold); margin-right: 6px; }
.qa-a.qa-pending { color: var(--gray); font-style: italic; }
.qa-meta { margin-top: 12px; font-size: 12px; color: var(--gray-light); letter-spacing: .04em; }
.qa-loading, .qa-empty { font-size: 14px; color: var(--gray); padding: 40px 0; text-align: center; }
@media (max-width: 640px) { .qa-item { padding: 20px; } .qa-item h3 { font-size: 16px; } }

/* ---------- 上一篇 / 下一篇 ---------- */
.pn-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 56px auto 0; max-width: 780px; }
.pn-card { background: #fff; padding: 22px 24px; display: block; text-decoration: none; transition: background .2s; }
.pn-card:hover { background: #fcfcfd; }
.pn-card.pn-empty { background: var(--bg-warm); pointer-events: none; }
.pn-label { font-size: 10.5px; letter-spacing: .18em; color: var(--gold); display: block; margin-bottom: 8px; }
.pn-title { font-family: var(--serif); font-size: 15.5px; font-weight: 600; line-height: 1.6; color: var(--ink); }
.pn-card:hover .pn-title { color: var(--blue); }
.pn-next { text-align: right; }
@media (max-width: 640px) { .pn-nav { grid-template-columns: 1fr; } .pn-next { text-align: left; } }

/* ---------- 关注引导卡 ---------- */
.follow-card { max-width: 780px; margin: 40px auto 0; background: var(--blue-deep); color: #f5f1e8; padding: 34px 32px; border-radius: var(--radius); display: flex; align-items: center; gap: 26px; }
.follow-mark { flex: none; width: 52px; height: 52px; border: 1px solid rgba(201,169,110,.55); border-radius: 50%; color: var(--gold); display: flex; align-items: center; justify-content: center; font-family: var(--serif); font-size: 20px; }
.follow-card h3 { font-family: var(--serif); font-size: 18px; font-weight: 600; margin: 0 0 6px; color: #fff; }
.follow-card p { margin: 0; font-size: 13.5px; line-height: 1.85; opacity: .82; }
@media (max-width: 640px) { .follow-card { flex-direction: column; align-items: flex-start; gap: 16px; padding: 28px 24px; } }

/* ---------- 金句海报 ---------- */
.quote-fab { position: fixed; z-index: 80; background: var(--blue-deep); color: #fff; border: none; border-radius: 999px; padding: 9px 16px; font-size: 12.5px; letter-spacing: .08em; cursor: pointer; box-shadow: 0 6px 20px rgba(7,22,42,.3); display: none; }
.poster-layer { position: fixed; inset: 0; z-index: 95; background: rgba(7,22,42,.72); display: flex; align-items: center; justify-content: center; padding: 20px; }
.poster-layer[hidden] { display: none; }
.poster-card { background: #fff; padding: 22px; max-width: 400px; width: 100%; border-radius: var(--radius); text-align: center; }
.poster-card img { width: 100%; display: block; border: 1px solid var(--line); }
.poster-tip { font-size: 12.5px; color: var(--gray); margin: 14px 0 16px; line-height: 1.8; }
.poster-actions { display: flex; gap: 10px; justify-content: center; }
.poster-actions button, .poster-actions a { border: 1px solid var(--blue-deep); background: var(--blue-deep); color: #fff; padding: 9px 18px; font-size: 13px; border-radius: 999px; cursor: pointer; text-decoration: none; }
.poster-actions .ghost { background: #fff; color: var(--blue-deep); }

/* ---------- 首页问导员 ---------- */
.home-qa { max-width: 780px; margin: 0 auto; }
.home-qa .qa-list, .home-qa #home-qa-list { display: flex; flex-direction: column; gap: 16px; }
.home-qa-cta { display: flex; gap: 14px; justify-content: center; margin-top: 30px; flex-wrap: wrap; }
.home-qa-cta a { display: inline-block; padding: 12px 28px; border-radius: 999px; font-size: 14px; letter-spacing: .06em; text-decoration: none; }
.home-qa-cta .ask { background: var(--blue-deep); color: #fff; }
.home-qa-cta .more { border: 1px solid var(--blue-deep); color: var(--blue-deep); }

/* 文章工具条里的按钮版 tool-link */
.article-tools button.tool-link { background: none; border: none; border-bottom: 1px solid transparent; cursor: pointer; font-family: inherit; }

/* 正文过短时的提示 */
.short-note { max-width: 780px; margin: 0 auto 32px; padding: 14px 18px; background: #f7f4ee; border-left: 3px solid var(--gold, #c9a96e); color: var(--gray, #6b7280); font-size: 13.5px; line-height: 1.8; }
body.night .short-note { background: #1a2540; color: #c7cdd6; }

/* ============================================================
   V4 · 最近更新 / 夜间模式 / 大字模式 / 收藏 / 专题合集
   ============================================================ */

/* ---------- 首页「最近更新」 ---------- */
.recent-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.recent-card { background: #fff; padding: 24px 26px; display: flex; flex-direction: column; gap: 10px; transition: background .2s; }
.recent-card:hover { background: var(--bg-warm); }
.recent-tag { font-size: 12px; letter-spacing: .1em; color: var(--gold); }
.recent-card h3 { font-family: var(--serif); font-size: 17px; line-height: 1.6; margin: 0; color: var(--ink); font-weight: 600; }
.recent-meta { font-size: 12.5px; color: var(--gray-light); letter-spacing: .04em; }
@media (max-width: 900px) { .recent-grid { grid-template-columns: 1fr; } }

/* ---------- 阅读设置小按钮（夜间 / 大字） ---------- */
.dy-tools { position: fixed; right: 16px; bottom: 96px; z-index: 70; display: flex; flex-direction: column; gap: 10px; }
.dy-tool { width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line); background: var(--bg); color: var(--ink-soft); font-family: var(--serif); font-size: 16px; cursor: pointer; box-shadow: 0 6px 18px rgba(15,42,74,.12); transition: .2s; padding: 0; }
.dy-tool:hover { border-color: var(--gold); color: var(--gold); }
.dy-tool.on { background: var(--blue-deep); border-color: var(--blue-deep); color: #f5f1e8; }
@media (max-width: 640px) { .dy-tools { right: 12px; bottom: 78px; } .dy-tool { width: 42px; height: 42px; font-size: 15px; } }
@media print { .dy-tools { display: none; } }

/* ---------- 夜间模式 ---------- */
html.dark {
  --ink: #e6e1d6; --ink-soft: #bfc7d2; --gray: #98a1ad; --gray-light: #767f8c;
  --blue-soft: #1c2740; --line: #2c3648; --line-soft: #242d3e;
  --bg: #0f1622; --bg-warm: #141d2e;
}
html.dark .nav-toggle, html.dark .site-footer, html.dark .filter.active,
html.dark .search-box input, html.dark .nav, html.dark .res-cat-btn,
html.dark .share-btn, html.dark .pager-card, html.dark .rel-card,
html.dark .share-card, html.dark .search-form input, html.dark .msg-form,
html.dark .form-row input, html.dark .form-row textarea, html.dark .btn-ghost,
html.dark .guide-card:hover, html.dark .guide-file, html.dark .qa-search input,
html.dark .qa-item, html.dark .pn-card, html.dark .poster-card,
html.dark .poster-actions .ghost, html.dark .module-card, html.dark .about-work,
html.dark .block:hover, html.dark .share-close, html.dark .recent-card { background: #172033; }
html.dark .form-row input, html.dark .form-row textarea,
html.dark .search-box input, html.dark .search-form input, html.dark .qa-search input { color: var(--ink); }
html.dark .dy-tool { background: #172033; box-shadow: 0 6px 18px rgba(0,0,0,.4); }
html.dark .dy-tool.on { background: var(--gold); border-color: var(--gold); color: #101724; }

/* ---------- 大字模式 ---------- */
html.bigfont body { font-size: 17.5px; }
html.bigfont .article-content { font-size: 19.5px; line-height: 2.15; }
html.bigfont .qa-a, html.bigfont .msg-text { font-size: 16px; }

/* ---------- 我的收藏 ---------- */
.fav-row { display: flex; gap: 12px; align-items: stretch; }
.fav-row .sr-item { flex: 1; min-width: 0; }
.fav-del { align-self: center; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line); background: none; color: var(--gray-light); cursor: pointer; font-size: 13px; flex-shrink: 0; transition: .2s; }
.fav-del:hover { color: #b3453a; border-color: #b3453a; }
.fav-empty { text-align: center; padding: 60px 0 40px; color: var(--gray); font-size: 14.5px; line-height: 2; }
.fav-empty .btn-primary { display: inline-block; margin-top: 16px; background: var(--blue-deep); color: #fff; padding: 12px 28px; border-radius: 999px; font-size: 14px; }
.fav-count { font-size: 13px; color: var(--gray-light); letter-spacing: .06em; }

/* ---------- 专题合集 ---------- */
.topics-lead { font-size: 14px; color: var(--gray); margin: -10px 0 34px; }
.topic-block { padding: 44px 0; border-top: 1px solid var(--line); }
.topic-block:first-child { border-top: none; padding-top: 6px; }
.topic-head { display: flex; align-items: baseline; gap: 22px; margin-bottom: 26px; }
.topic-num { font-family: var(--serif); font-size: 30px; color: var(--gold); flex-shrink: 0; }
.topic-head h2 { font-family: var(--serif); font-size: 24px; margin: 0 0 6px; color: var(--ink); }
.topic-head p { margin: 0; font-size: 13.5px; color: var(--gray); }
.topic-count { margin-left: auto; font-size: 12.5px; color: var(--gray-light); letter-spacing: .06em; white-space: nowrap; }
.topic-more { display: inline-block; margin-top: 18px; font-size: 13.5px; color: var(--blue); border-bottom: 1px solid var(--blue); padding-bottom: 2px; }
html.dark .topic-more { color: #d9b97e; border-color: #d9b97e; }
@media (max-width: 640px) { .topic-head { gap: 14px; } .topic-num { font-size: 24px; } .topic-head h2 { font-size: 20px; } }